WO2001069419A1 - System and method for providing vehicle diagnostic/repairing information using internet based service - Google Patents

System and method for providing vehicle diagnostic/repairing information using internet based service Download PDF

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Publication number
WO2001069419A1
WO2001069419A1 PCT/KR2001/000383 KR0100383W WO0169419A1 WO 2001069419 A1 WO2001069419 A1 WO 2001069419A1 KR 0100383 W KR0100383 W KR 0100383W WO 0169419 A1 WO0169419 A1 WO 0169419A1
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WO
WIPO (PCT)
Prior art keywords
information
automobile
user
diagnosis
unit
Prior art date
Application number
PCT/KR2001/000383
Other languages
French (fr)
Inventor
Hyung-Ki Cho
Original Assignee
Elion Information Technology Co., Ltd.
Global Engineering And Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Elion Information Technology Co., Ltd., Global Engineering And Technology filed Critical Elion Information Technology Co., Ltd.
Priority to AU41243/01A priority Critical patent/AU4124301A/en
Publication of WO2001069419A1 publication Critical patent/WO2001069419A1/en

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Classifications

    • G06Q50/40—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
    • B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
    • B60R16/0234—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions related to maintenance or repairing of vehicles
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station

Definitions

  • the present invention relates to the device to provide automobile diagnosis/repair information using the Internet service and the method therefor.
  • the present invention's system and method connects a provider of information on automobile maintenance and repair through the Internet, transmits the automobile status information to the said information provider, and receives from the said information provider the information on the diagnosis of the automobile status and the relevant repair method, so that appropriate measures may be taken.
  • Automobiles in these days generally have equipment which conducts self- diagnosis of the status of automobiles in motion.
  • people may obtain the engine status information, automatic transmission control status information, break control information, etc.
  • the said automobile status information is stored in the control equipment of an automobile, such as the engine control equipment or transmission control equipment, or in a separate memory means, the self-diagnosis unit.
  • the information regarding the automobile's status, stored in such control equipment, is used for the automobile maintenance and repair.
  • an automobile repair shop connects the Hi Scanner, which stores the examination data, vehicle type data and etc. required for automobile diagnosis, to an automobile and determines whether there is any problem in an automobile by reading the stored automobile status information.
  • a motor mechanic changes the relevant parts or conducts repairs based upon the result of the diagnosis.
  • a user In order to have the automobile repaired using the stored automobile status information, a user must take the automobile to a repair shop having the specialized equipment for capturing information such as the Hi Scanner. Furthermore, in order to conduct a correct diagnosis of the abnormality of an automobile or the troubled part of the automobile using the captured information, expert knowledge in connection with the captured information is required. If a new type of automobile is out on the market, the automobile repair shop must purchase the expensive diagnosis equipment, new Hi Scanner, or upgrade the old Hi Scanner with the relevant data because the preexisting Hi Scanner would not have the diagnostic data regarding the new automobile. Expenses will be incurred for such purchase or upgrading of the Hi Scanner and such expenses will result in the increase of the repair charges. Moreover, it will take a long time to upgrade the relevant data and to apply such data to the diagnosis and repair of automobiles. Additionally, because the data are different for each car type, expert knowledge is required for the use of the said scanner.
  • the present invention diagnoses the relevant automobile and transmits the diagnosis result and repair method information so that the relevant measure may be taken, by steps of connecting the automobile control unit such as the engine control equipment, transmission control equipment or self-diagnosis unit to the user system (for example, a PC) in an automobile-related business such as a gas station or an automobile repair shop through the se ⁇ al interface, connecting through the Internet the said user system to the information provision center system (for example, a server at the information provision center) which provides the automobile repair service information, and transmitting the automobile status information which has been stored in the said control equipment to the said service information provider
  • the automobile control unit such as the engine control equipment, transmission control equipment or self-diagnosis unit
  • the user system for example, a PC
  • the information provision center system for example, a server at the information provision center
  • the present invention enables the diagnosis/repair information transmitted through the Internet to be sent to the reception place designated by a user so that the user may receive the repair service at the desired place Furthermore, the present system interfaces the user system to the control equipment such as the engine control equipment having the different communication methods according to the types of vehicle so that the relevant information may be communicated to each other through the Internet
  • the present invention provides the device to provide automobile diagnosis/repair information through the Internet service, comprising a vehicle communication system which communicates with the automobile equipment in which the subject automobile status information is stored; a user system which is installed in an automobile-related company, is equipped with the user interface and may be connected to the Internet on-line; an information provision center system which analyzes the automobile status information transmitted from the said user system and provides the diagnosis result and repair methods; and a data conversion system which converts the communicated data in order to make the communication methods of the said vehicle communication system and the said user system compatible with each other.
  • the said information provision center system of the said device for the provision of automobile diagnosis/repair information comprises: a reception unit which receives signals from the said user system connected to the Internet on-line; a user authentication unit which reviews user authentication request sent from the said user system and determines whether or not to grant the use authentication; a reception reservation unit which sets up the database with the information that the user provided to receive relevant services; a DB search unit which retrieves data for the analysis of the automobile status information from the database based upon the automobile status information transmitted from the said user system; a transmission unit which transmits signals to the said user system; and a summary unit which summarizes the diagnosis history of the relevant user connected through the said user system.
  • the said user system comprises: a reception unit which receives data and/or signals from the said data conversion system and/or the information provision center system; a transmission unit which transmits data and/or signals to the said data conversion system and/or the information provision center system; a reception conversion unit which converts relevant information so that the diagnosis result/repair method information transmitted from the information provision center system may be transmitted to the terminal specified by a user at the designated time according to the user's specifications; a DB search unit which retrieves from the database relevant data required for the information requested by the user and for the information to be communicated; an encryption unit which encrypts or decrypts signals and/or information communicated with the said information provision center system and the said data conversion system; and a registration change unit which conducts the subscriber registration and/or password change so that the said information provision center system and the said data conversion system may request and receive certain subject information while connected on-line to the Internet.
  • the said data conversion system comprises: an RS-232 conversion unit which enables the data communication with the said vehicle communication system to be conducted by the K-line or L-line method; an encryption unit which encrypts and/or decrypts the information sent to or received from the said vehicle communication system; a packet processing unit which generates packets with the data to be communicated with the said user system; a transmission unit which transmits data to the said vehicle communication unit and the said user system; and a reception unit which receives data from the said vehicle communication unit and the said user system.
  • the present invention further provides the method to provide automobile diagnosis/repair information using the Internet service comprising the steps of: establishing the data communication relationship among the user's subject automobile, the data conversion system and the user system installed in an automobile-related company; connecting the user system and the information provision center system online to the Internet; requesting the service use authentication to the information provision center system through the user system; granting the use authentication if the information provision center system determines that the authentication request is legitimate; determining, through the user system, whether the service requested by the user corresponds to the signal for requesting the automobile diagnosis; requesting the subject automobile's status information through the said data conversion system if the signal is for the automobile diagnosis; requesting the automobile diagnosis by receiving the automobile status information stored in the subject automobile and sending the said automobile status information to the information provision center system; and analyzing the automobile status information, extracting the diagnosis and repair method information based upon the user system's diagnosis request and transmitting such information to the user system.
  • Fig. 1 is a structure diagram illustrating the device to provide automobile trouble diagnosis/repair information through the Internet service according to the present invention.
  • Fig. 2 is a flow chart illustrating the method to provide automobile trouble diagnosis/repair information through the Internet service according to the present invention.
  • the present invention's system to provide automobile diagnosis/repair information through the Internet service comprises the user system (10), the data conversion system (20), the vehicle communication system (30), and the information provision center system (40).
  • the said user system (10) is a system which may be connected to the Internet on-line and is installed in an automobile-related business which may be easily accessed by a user's automobile, such as a gas station, repair shop, automobile inte ⁇ or business, resting area or component sales business
  • the said data conversion system (20) is a system connected to the user system, making the communication systems of the vehicle communication system (30) and the user system (10) compatible with each other so that the data communication between such two systems may be facilitated
  • the said data conversion system (20) also is installed in an automobile-related business which may be easily accessed by a user's automobile, such as a gas station, repair shop, automobile interior business, resting area or component sales business
  • the said vehicle communication system (30) is a communication equipment which may communicate with an automobile's engine control equipment, transmission control equipment or self-diagnosis unit
  • the vehicle communication system (30) transmits the automobile's status information stored in the said engine control equipment, transmission control equipment or self-diagnosis unit to the said data conversion system (20)
  • the said information provision center system (40) is a system analyzing the transmitted automobile status information and providing the information on the diagnosis result and automobile repair methods corresponding to the automobile status
  • the said information provision center system (40) is installed in an automobile repair information service provider which has the specialized knowledge of the automobile diagnosis and repairs The particulars of each system will be explained in detail in the following
  • the said user system (10) comp ⁇ ses the reception unit (1 1 ), the transmission unit (12), the reception conversion unit (13), the DB search unit (14), the encryption unit (15) and the registration change unit (16).
  • the reception unit (11) of the said user system receives data through the communication method specified by the data conversion system (20) and the information provision center system (40).
  • the reception unit receives encrypted packet form automobile status information from the data conversion system (20) and the use authentication information and diagnosis/repair method information from the information provision center system (40).
  • the transmission unit (12) transmits signals requesting the use authentication or changes to the information provision center system (40), transmits signals requesting the automobile status information to the data conversion system (20), and transmits the automobile status information received from the said data conversion system (20) to the information provision center system (40).
  • the reception conversion unit (13) transmits the diagnosis result/repair method information received from the information provision center system to the terminal specified by the user at the designated time.
  • the DB search unit (14) conducts the function of accessing the data stored in the database so that the relevant operation program may be executed and the function of referring to the particulars of the uses in the user system during a certain period of time or searching database for items necessary for the diagnosis of the automobile's status or for repairs.
  • the encryption unit (15) encrypts automobile diagnosis request signals to be transmitted to the data conversion system (20) or decrypts the encrypted automobile status information received from the data conversion system (20). Also, the said encryption unit (15) encrypts the automobile status information or the use authentication request to be transmitted to the information provision center system (40) and decrypts the use authentication grant signal and diagnosis result/repair method information transmitted from the information provision center system (40).
  • the registration change unit (16) conducts the subscriber registration or change and password change so that the user system (10) and the information provision center system (40) may request information and download the provided information while connected on-line.
  • the said data conversion system (20) comprises the RS-232 conversion unit (21), the encryption unit (22), the packet processing unit (23), the transmission unit (24) and the reception unit (25).
  • the said RS-232 conversion unit (21) converts the automobile status information received from the vehicle communication system through the K-line or L-line communication method into serial data. Furthermore, the said RS-232 conversion unit (21) converts the signals for requesting the automobile status information into data for the K-line or L-line communication method.
  • the encryption unit (22) encrypts the automobile status information transmitted from the vehicle communication system so that such information may be in the form appropriate for the transmission to the user system (10) and decrypts the encrypted diagnosis request signal received from the user system (10).
  • the packet processing unit (23) processes the diagnosis request signal received from the user system (10) into packet forms required for the communication with the vehicle communication system (30) through the K-line or L-line communication method. Furthermore, the said packet processing unit (23) processes the automobile status information received from the vehicle communication system (30) into packet form required for the transmission to the user system ( 10).
  • the transmission unit (24) transmits the packet form diagnosis request signal received from the user system (10) to the vehicle communication system (30) and transmits the packet form automobile status information received from the vehicle communication system (30) to the user system (10).
  • the reception unit (25) receives information from the user system (10) and the vehicle communication system (30).
  • the vehicle communication system (30) is equipped with the K/L line connection unit (11) of a 16 pin connector structure, which may be interfaced with the
  • K-line or L-line communication method so that the automobile status information stored in the engine control equipment, transmission control unit or self-diagnosis unit may be transmitted.
  • the information provision center system (40) comprises the reception unit (41), the transmission unit (42), the user authentication unit (43), the reception reservation unit (44) and the DB search unit (45) and the summary unit (46).
  • the reception unit (21) receives signals from the user system (10) and the transmission unit (42) transmits signals to the user system (10).
  • the user authentication unit (43) determines whether to grant the use authentication by judging whether the user who requested the use authentication through the user system (10) is a subscriber and whether the user's password concurs with the relevant subscriber's password.
  • the reception reservation unit (44) sets up the database with the data specified by the user for the service, such as the reception terminal number and desired reception time.
  • the DB search unit (45) extracts from the database the data required for the analysis of the relevant information corresponding to the automobile status information transmitted through the user system (10).
  • the summary unit (46) summarizes the diagnosis history of the relevant subscriber connected through the user system (10) and provides the summary of the diagnosis history for a specified period of time according to the user's request.
  • the subject automobile For the diagnosis of the automobile's abnormality, the subject automobile is placed at a gas station, repair shop, automobile interior company, resting area, component sales business or other automobile-related business which is equipped with the user system and the data conversion system connected to the said user system (10).
  • the data communication system is formed between the user system (10) and the automobile's engine control equipment, transmission control equipment or self-diagnosis unit through the connection of the said data conversion system (20) with the vehicle communication system (30) embedded in the automobile (STEP S101).
  • the driver is connected to the information provision center system (40) through the Internet by the input on a touch panel, mouse or keyboard according to the information provided in the user system (10) (STEP S I 02).
  • the information provision center system (40) is connected to the Internet through the said user system, the user inputs his/her subscriber registration number and password.
  • the transmission unit (12) of the said user system (10) sends a request for the service use authentication to the information provision center system (40) (STEP
  • the information provision center system (40) upon receiving the authentication request, determines whether the user requesting the authentication is a registered subscriber and whether the inputted password concurs with the registered password through the DB search unit (45) by reviewing the subscription information stored in the database (STEP S104). If the user requesting the authentication is determined to be a registered subscriber, the authentication is granted to the user system (10) through the transmission unit (40). If the user is determined not to be a registered subscriber or if a wrong password was inputted, the message stating that the service may not be provided is sent to the user system (10).
  • the user system (10) displays a message instructing the user to select the desired service item.
  • the user selects the desired service item from the information displayed on the screen of the user system (10) by the input on the touch screen, mouse or keyboard (STEP SI 05).
  • the main processor in the user system (10) displays a message on the screen requesting that a specific item be selected.
  • the user inputs the specific item to be diagnosed from the displayed screen (STEP SI 07).
  • the user system (10) makes the user system (10)'s communication method compatible with the communication method of the vehicle communication system (30) through the data conversion system (20) and then requests the information on the automobile's status to be diagnosed (STEP SI 08).
  • the main processor of the user system (10) encrypts the signal requesting the automobile's diagnosis through the encryption unit (15) based upon the selected item data.
  • the encrypted signal is processed into packets and transmitted to the data conversion system (20) through the transmission unit (12).
  • the processor in the data conversion system (20) decrypts through the encryption unit (22) the diagnosis request signal of the user system (10) detected at the reception unit (25) and analyses the signal. Then, the signal is processed to become signal for the K-line or L-line communication method through the RS-232 conversion unit (21) so that the serial communication may be conducted.
  • the signal processed by the RS-232 conversion unit (21) is transmitted to the vehicle communication system (30) through the transmission unit (24).
  • the vehicle communication system (30) which received the said signal accesses the data regarding the automobile status stored in the engine control equipment, transmission control equipment or self-diagnosis unit and transmits such data to the data conversion system (20) by the K-line or L-line communication method.
  • the processor in the data conversion system (20) encrypts through the encryption unit (22) the said automobile status information data received at the reception unit (25).
  • the said encrypted data is processed in the form of packets through the packet processing unit (23) and transmitted to the user system (10) through the transmission unit (24).
  • the processor in the user system (10) decrypts through the encryption unit (15) the automobile status information received as encrypted packet data through the data conversion system (20).
  • the said user system (10) processes the decrypted data in the form required for the transmission to the data provision center system (40) and transmits such data to the information provision center system (40) through the transmission unit (12) after encrypting the data and the message requesting the diagnosis.
  • the processor of the information provision center system (40) goes into the diagnosis service mode according to the diagnosis request signal from the user system (10).
  • the diagnosis service mode the automobile status information is analyzed through the various service data stored in the database. Then, the relevant diagnosis result/repair method information regarding the automobile is extracted and transmitted to the user system (10) (STEP S 109-STEP S I 10).
  • the processor in the user system (10) decrypts through the encryption unit the diagnosis result/repair method information received from the information provision center system and displays the relevant information on the screen or prints it through the printer (STEP S i l l).
  • the present invention diagnose the automobile's status, but also can it confirm the automobile's diagnosis history for a certain period of time.
  • the processor of the user system (10) displays a message requesting that the user input a period for which the relevant data will be retrieved (STEP S 122).
  • the user system (10) encrypts the relevant signal through the encryption unit (15) and transmits such signal to the information provision center system (40) which is connected through the Internet.
  • the processor of the information provision center system (40) analyzes the signal requesting the review of the automobile diagnosis history through the reception unit (41) and then extracts the automobile diagnosis history corresponding to the relevant user stored in the database by controlling the DB search unit (45).
  • the extracted information is transmitted to the user system (10) through the transmission unit (42).
  • the processor of the user system (10) decrypts through the encryption unit (15) the user's automobile diagnosis history information which was provided by the information provision center system (40) to the reception unit (11). Then, the processor displays it on the screen or prints it out (STEP S123).
  • the automobile itself is not required to be connected to the user system (10). Only with the user's subscription information and password, the authentication may be granted from the information provision center system (40) and thus the automobile diagnosis history service may be provided.
  • the present invention may cause the trouble diagnosis result/repair method information or the automobile diagnosis history information provided by the information provision center system (40) to be transmitted to the reception place where the user desires to receive such information.
  • the user wishes to receive the result of the requested service at a terminal designated by the user, such as the user's computer, facsimile, mobile phone or wired phone, etc.
  • the user selects the reception place change service through the user system (10) in the state where the authentication was granted from the information provision center system (40). If it is determined that the reception place change service has been selected, the user system (10)'s processor displays a message on the screen requesting that the user input the desired time and the terminal number for the reception of the information (STEP S131).
  • the user inputs the terminal number and the time desired for the reception of the information through the displayed screen.
  • the inputted terminal number and the desired reception time are transmitted to the information provision center system (40) through the reception conversion unit (14).
  • the processor of the information provision center system (40) registers the reception terminal number and desired reception time through the reception reservation unit (44) and transmits the information requested by the user at the said desired reception time to the desired terminal (STEP SI 32).
  • the present invention may have an automobile conveniently diagnosed from a remote place through the on-line Internet connection and have the diagnosis result and repair method transmitted real time. Therefore, the automobile's status may be diagnosed conveniently and expeditiously. Furthermore, according to the present invention, ordinary drivers without any specialized knowledge may obtain the diagnosis of the automobile and repair method conveniently. Consequently, the expenses for the automobile maintenance and repair may be reduced.
  • the present invention uses the Internet, the information on the relevant vehicle may easily be obtained without any restrictions concerning the region or nation, etc.
  • the diagnosis result and repair method may be transmitted to the terminal at the desired place at the desired reception time, the present invention provides further convenience to the user.

Abstract

The invention relates to a system and a method for providing vehicle diagnostic/repairing information using internet based service. The system comprises a vehicle communicating system for communicating with control units which are provided with the vehicle and are storing information regarding current vehicle status, a user system having user interface to be connected with an internet using on-line network, and an information center system for analysing the information regarding current vehicle status and for providing a user with diagnostic/repairing information through on-line network.

Description

SYSTEM AND METHOD FOR PROVIDING VEHICLE DIAGNOSTIC/REPARING INFORMATION USING INTERNET SERVICE
BASED
TECHNICAL FIELD
The present invention relates to the device to provide automobile diagnosis/repair information using the Internet service and the method therefor. In particular, the present invention's system and method connects a provider of information on automobile maintenance and repair through the Internet, transmits the automobile status information to the said information provider, and receives from the said information provider the information on the diagnosis of the automobile status and the relevant repair method, so that appropriate measures may be taken.
BACKGROUND ART
Automobiles in these days generally have equipment which conducts self- diagnosis of the status of automobiles in motion. As a result of such self-diagnosis, people may obtain the engine status information, automatic transmission control status information, break control information, etc. The said automobile status information is stored in the control equipment of an automobile, such as the engine control equipment or transmission control equipment, or in a separate memory means, the self-diagnosis unit. The information regarding the automobile's status, stored in such control equipment, is used for the automobile maintenance and repair.
Generally, an automobile repair shop connects the Hi Scanner, which stores the examination data, vehicle type data and etc. required for automobile diagnosis, to an automobile and determines whether there is any problem in an automobile by reading the stored automobile status information. A motor mechanic changes the relevant parts or conducts repairs based upon the result of the diagnosis.
In order to have the automobile repaired using the stored automobile status information, a user must take the automobile to a repair shop having the specialized equipment for capturing information such as the Hi Scanner. Furthermore, in order to conduct a correct diagnosis of the abnormality of an automobile or the troubled part of the automobile using the captured information, expert knowledge in connection with the captured information is required. If a new type of automobile is out on the market, the automobile repair shop must purchase the expensive diagnosis equipment, new Hi Scanner, or upgrade the old Hi Scanner with the relevant data because the preexisting Hi Scanner would not have the diagnostic data regarding the new automobile. Expenses will be incurred for such purchase or upgrading of the Hi Scanner and such expenses will result in the increase of the repair charges. Moreover, it will take a long time to upgrade the relevant data and to apply such data to the diagnosis and repair of automobiles. Additionally, because the data are different for each car type, expert knowledge is required for the use of the said scanner.
Recently, the number of Internet sites providing information on the automobile trouble diagnosis is rapidly increasing. A driver clicks the item corresponding to the trouble detected in his automobile from various diagnosis items displayed on the screen of an Internet site or inputs the trouble symptoms and receives the relevant opinion or measures to be taken by e-mail or facsimile.
In order to have one's automobile's status diagnosed through these Internet sites, the driver must have the exact knowledge on where in his car the trouble has occurred. Also, even with the information on the remedial measures sent from the Internet sites, a driver may not effectively take the relevant measures unless he has specialized knowledge on the automobile Thus, the usefulness of the information is limited
DISCLOSURE OF INVENTION
In order to resolve the above-described problems, the present invention diagnoses the relevant automobile and transmits the diagnosis result and repair method information so that the relevant measure may be taken, by steps of connecting the automobile control unit such as the engine control equipment, transmission control equipment or self-diagnosis unit to the user system (for example, a PC) in an automobile-related business such as a gas station or an automobile repair shop through the seπal interface, connecting through the Internet the said user system to the information provision center system (for example, a server at the information provision center) which provides the automobile repair service information, and transmitting the automobile status information which has been stored in the said control equipment to the said service information provider
Also, the present invention enables the diagnosis/repair information transmitted through the Internet to be sent to the reception place designated by a user so that the user may receive the repair service at the desired place Furthermore, the present system interfaces the user system to the control equipment such as the engine control equipment having the different communication methods according to the types of vehicle so that the relevant information may be communicated to each other through the Internet
Thus, the present invention provides the device to provide automobile diagnosis/repair information through the Internet service, comprising a vehicle communication system which communicates with the automobile equipment in which the subject automobile status information is stored; a user system which is installed in an automobile-related company, is equipped with the user interface and may be connected to the Internet on-line; an information provision center system which analyzes the automobile status information transmitted from the said user system and provides the diagnosis result and repair methods; and a data conversion system which converts the communicated data in order to make the communication methods of the said vehicle communication system and the said user system compatible with each other.
The said information provision center system of the said device for the provision of automobile diagnosis/repair information comprises: a reception unit which receives signals from the said user system connected to the Internet on-line; a user authentication unit which reviews user authentication request sent from the said user system and determines whether or not to grant the use authentication; a reception reservation unit which sets up the database with the information that the user provided to receive relevant services; a DB search unit which retrieves data for the analysis of the automobile status information from the database based upon the automobile status information transmitted from the said user system; a transmission unit which transmits signals to the said user system; and a summary unit which summarizes the diagnosis history of the relevant user connected through the said user system. The said user system comprises: a reception unit which receives data and/or signals from the said data conversion system and/or the information provision center system; a transmission unit which transmits data and/or signals to the said data conversion system and/or the information provision center system; a reception conversion unit which converts relevant information so that the diagnosis result/repair method information transmitted from the information provision center system may be transmitted to the terminal specified by a user at the designated time according to the user's specifications; a DB search unit which retrieves from the database relevant data required for the information requested by the user and for the information to be communicated; an encryption unit which encrypts or decrypts signals and/or information communicated with the said information provision center system and the said data conversion system; and a registration change unit which conducts the subscriber registration and/or password change so that the said information provision center system and the said data conversion system may request and receive certain subject information while connected on-line to the Internet. The said data conversion system comprises: an RS-232 conversion unit which enables the data communication with the said vehicle communication system to be conducted by the K-line or L-line method; an encryption unit which encrypts and/or decrypts the information sent to or received from the said vehicle communication system; a packet processing unit which generates packets with the data to be communicated with the said user system; a transmission unit which transmits data to the said vehicle communication unit and the said user system; and a reception unit which receives data from the said vehicle communication unit and the said user system.
The present invention further provides the method to provide automobile diagnosis/repair information using the Internet service comprising the steps of: establishing the data communication relationship among the user's subject automobile, the data conversion system and the user system installed in an automobile-related company; connecting the user system and the information provision center system online to the Internet; requesting the service use authentication to the information provision center system through the user system; granting the use authentication if the information provision center system determines that the authentication request is legitimate; determining, through the user system, whether the service requested by the user corresponds to the signal for requesting the automobile diagnosis; requesting the subject automobile's status information through the said data conversion system if the signal is for the automobile diagnosis; requesting the automobile diagnosis by receiving the automobile status information stored in the subject automobile and sending the said automobile status information to the information provision center system; and analyzing the automobile status information, extracting the diagnosis and repair method information based upon the user system's diagnosis request and transmitting such information to the user system.
BRIEF DESCRIPTION OF DRAWINGS
Fig. 1 is a structure diagram illustrating the device to provide automobile trouble diagnosis/repair information through the Internet service according to the present invention. Fig. 2 is a flow chart illustrating the method to provide automobile trouble diagnosis/repair information through the Internet service according to the present invention.
BEST MODE FOR CARRYING OUT THE INVENTION Reference will now be made in detail to the preferred implementation of the present invention as illustrated in the accompanying drawings.
As shown in Fig. 1, the present invention's system to provide automobile diagnosis/repair information through the Internet service comprises the user system (10), the data conversion system (20), the vehicle communication system (30), and the information provision center system (40). The said user system (10) is a system which may be connected to the Internet on-line and is installed in an automobile-related business which may be easily accessed by a user's automobile, such as a gas station, repair shop, automobile inteπor business, resting area or component sales business The said data conversion system (20) is a system connected to the user system, making the communication systems of the vehicle communication system (30) and the user system (10) compatible with each other so that the data communication between such two systems may be facilitated The said data conversion system (20) also is installed in an automobile-related business which may be easily accessed by a user's automobile, such as a gas station, repair shop, automobile interior business, resting area or component sales business
The said vehicle communication system (30) is a communication equipment which may communicate with an automobile's engine control equipment, transmission control equipment or self-diagnosis unit The vehicle communication system (30) transmits the automobile's status information stored in the said engine control equipment, transmission control equipment or self-diagnosis unit to the said data conversion system (20)
The said information provision center system (40) is a system analyzing the transmitted automobile status information and providing the information on the diagnosis result and automobile repair methods corresponding to the automobile status The said information provision center system (40) is installed in an automobile repair information service provider which has the specialized knowledge of the automobile diagnosis and repairs The particulars of each system will be explained in detail in the following The said user system (10) compπses the reception unit (1 1 ), the transmission unit (12), the reception conversion unit (13), the DB search unit (14), the encryption unit (15) and the registration change unit (16).
The reception unit (11) of the said user system receives data through the communication method specified by the data conversion system (20) and the information provision center system (40). In other words, the reception unit receives encrypted packet form automobile status information from the data conversion system (20) and the use authentication information and diagnosis/repair method information from the information provision center system (40).
The transmission unit (12) transmits signals requesting the use authentication or changes to the information provision center system (40), transmits signals requesting the automobile status information to the data conversion system (20), and transmits the automobile status information received from the said data conversion system (20) to the information provision center system (40).
The reception conversion unit (13) transmits the diagnosis result/repair method information received from the information provision center system to the terminal specified by the user at the designated time.
The DB search unit (14) conducts the function of accessing the data stored in the database so that the relevant operation program may be executed and the function of referring to the particulars of the uses in the user system during a certain period of time or searching database for items necessary for the diagnosis of the automobile's status or for repairs.
The encryption unit (15) encrypts automobile diagnosis request signals to be transmitted to the data conversion system (20) or decrypts the encrypted automobile status information received from the data conversion system (20). Also, the said encryption unit (15) encrypts the automobile status information or the use authentication request to be transmitted to the information provision center system (40) and decrypts the use authentication grant signal and diagnosis result/repair method information transmitted from the information provision center system (40).
The registration change unit (16) conducts the subscriber registration or change and password change so that the user system (10) and the information provision center system (40) may request information and download the provided information while connected on-line.
The said data conversion system (20) comprises the RS-232 conversion unit (21), the encryption unit (22), the packet processing unit (23), the transmission unit (24) and the reception unit (25).
The said RS-232 conversion unit (21) converts the automobile status information received from the vehicle communication system through the K-line or L-line communication method into serial data. Furthermore, the said RS-232 conversion unit (21) converts the signals for requesting the automobile status information into data for the K-line or L-line communication method.
The encryption unit (22) encrypts the automobile status information transmitted from the vehicle communication system so that such information may be in the form appropriate for the transmission to the user system (10) and decrypts the encrypted diagnosis request signal received from the user system (10). The packet processing unit (23) processes the diagnosis request signal received from the user system (10) into packet forms required for the communication with the vehicle communication system (30) through the K-line or L-line communication method. Furthermore, the said packet processing unit (23) processes the automobile status information received from the vehicle communication system (30) into packet form required for the transmission to the user system ( 10). The transmission unit (24) transmits the packet form diagnosis request signal received from the user system (10) to the vehicle communication system (30) and transmits the packet form automobile status information received from the vehicle communication system (30) to the user system (10). The reception unit (25) receives information from the user system (10) and the vehicle communication system (30).
The vehicle communication system (30) is equipped with the K/L line connection unit (11) of a 16 pin connector structure, which may be interfaced with the
K-line or L-line communication method so that the automobile status information stored in the engine control equipment, transmission control unit or self-diagnosis unit may be transmitted.
The information provision center system (40) comprises the reception unit (41), the transmission unit (42), the user authentication unit (43), the reception reservation unit (44) and the DB search unit (45) and the summary unit (46). The reception unit (21) receives signals from the user system (10) and the transmission unit (42) transmits signals to the user system (10).
The user authentication unit (43) determines whether to grant the use authentication by judging whether the user who requested the use authentication through the user system (10) is a subscriber and whether the user's password concurs with the relevant subscriber's password.
The reception reservation unit (44) sets up the database with the data specified by the user for the service, such as the reception terminal number and desired reception time.
The DB search unit (45) extracts from the database the data required for the analysis of the relevant information corresponding to the automobile status information transmitted through the user system (10).
The summary unit (46) summarizes the diagnosis history of the relevant subscriber connected through the user system (10) and provides the summary of the diagnosis history for a specified period of time according to the user's request. Now, the steps for diagnosing whether there is any abnormality in the automobile according to the present invention will be explained with references to Fig. 1 and Fig. 2.
For the diagnosis of the automobile's abnormality, the subject automobile is placed at a gas station, repair shop, automobile interior company, resting area, component sales business or other automobile-related business which is equipped with the user system and the data conversion system connected to the said user system (10).
The data communication system is formed between the user system (10) and the automobile's engine control equipment, transmission control equipment or self-diagnosis unit through the connection of the said data conversion system (20) with the vehicle communication system (30) embedded in the automobile (STEP S101).
When the vehicle communication system (30) and the user system (10) is connected, the driver is connected to the information provision center system (40) through the Internet by the input on a touch panel, mouse or keyboard according to the information provided in the user system (10) (STEP S I 02). When the information provision center system (40) is connected to the Internet through the said user system, the user inputs his/her subscriber registration number and password. The transmission unit (12) of the said user system (10) sends a request for the service use authentication to the information provision center system (40) (STEP
S103). The information provision center system (40), upon receiving the authentication request, determines whether the user requesting the authentication is a registered subscriber and whether the inputted password concurs with the registered password through the DB search unit (45) by reviewing the subscription information stored in the database (STEP S104). If the user requesting the authentication is determined to be a registered subscriber, the authentication is granted to the user system (10) through the transmission unit (40). If the user is determined not to be a registered subscriber or if a wrong password was inputted, the message stating that the service may not be provided is sent to the user system (10).
If the use authentication is granted from the information provision center system (40), the user system (10) displays a message instructing the user to select the desired service item. The user selects the desired service item from the information displayed on the screen of the user system (10) by the input on the touch screen, mouse or keyboard (STEP SI 05).
If the service item selected by the user is determined to be the request for the automobile trouble diagnosis (STEP SI 06), the main processor in the user system (10) displays a message on the screen requesting that a specific item be selected. The user inputs the specific item to be diagnosed from the displayed screen (STEP SI 07). The user system (10) makes the user system (10)'s communication method compatible with the communication method of the vehicle communication system (30) through the data conversion system (20) and then requests the information on the automobile's status to be diagnosed (STEP SI 08).
In particular, if it is detected that a specific item for the automobile diagnosis has been inputted, the main processor of the user system (10) encrypts the signal requesting the automobile's diagnosis through the encryption unit (15) based upon the selected item data. The encrypted signal is processed into packets and transmitted to the data conversion system (20) through the transmission unit (12).
The processor in the data conversion system (20) decrypts through the encryption unit (22) the diagnosis request signal of the user system (10) detected at the reception unit (25) and analyses the signal. Then, the signal is processed to become signal for the K-line or L-line communication method through the RS-232 conversion unit (21) so that the serial communication may be conducted.
The signal processed by the RS-232 conversion unit (21) is transmitted to the vehicle communication system (30) through the transmission unit (24). The vehicle communication system (30) which received the said signal accesses the data regarding the automobile status stored in the engine control equipment, transmission control equipment or self-diagnosis unit and transmits such data to the data conversion system (20) by the K-line or L-line communication method.
The processor in the data conversion system (20) encrypts through the encryption unit (22) the said automobile status information data received at the reception unit (25). The said encrypted data is processed in the form of packets through the packet processing unit (23) and transmitted to the user system (10) through the transmission unit (24).
The processor in the user system (10) decrypts through the encryption unit (15) the automobile status information received as encrypted packet data through the data conversion system (20). The said user system (10) processes the decrypted data in the form required for the transmission to the data provision center system (40) and transmits such data to the information provision center system (40) through the transmission unit (12) after encrypting the data and the message requesting the diagnosis.
The processor of the information provision center system (40) goes into the diagnosis service mode according to the diagnosis request signal from the user system (10). In the diagnosis service mode, the automobile status information is analyzed through the various service data stored in the database. Then, the relevant diagnosis result/repair method information regarding the automobile is extracted and transmitted to the user system (10) (STEP S 109-STEP S I 10). The processor in the user system (10) decrypts through the encryption unit the diagnosis result/repair method information received from the information provision center system and displays the relevant information on the screen or prints it through the printer (STEP S i l l).
Not only may the present invention diagnose the automobile's status, but also can it confirm the automobile's diagnosis history for a certain period of time. In the state where the authentication was granted from the said information provision center system (40), if the service item selected by the user is determined to be the signal for reviewing the automobile diagnosis history for a certain period of time (STEP S 121), the processor of the user system (10) displays a message requesting that the user input a period for which the relevant data will be retrieved (STEP S 122). When the period is selected by the user and the input of such period is detected, the user system (10) encrypts the relevant signal through the encryption unit (15) and transmits such signal to the information provision center system (40) which is connected through the Internet.
The processor of the information provision center system (40) analyzes the signal requesting the review of the automobile diagnosis history through the reception unit (41) and then extracts the automobile diagnosis history corresponding to the relevant user stored in the database by controlling the DB search unit (45). The extracted information is transmitted to the user system (10) through the transmission unit (42). The processor of the user system (10) decrypts through the encryption unit (15) the user's automobile diagnosis history information which was provided by the information provision center system (40) to the reception unit (11). Then, the processor displays it on the screen or prints it out (STEP S123).
For the review of the automobile's diagnosis history for a certain period of time as described above, the automobile itself is not required to be connected to the user system (10). Only with the user's subscription information and password, the authentication may be granted from the information provision center system (40) and thus the automobile diagnosis history service may be provided.
On the other hand, the present invention may cause the trouble diagnosis result/repair method information or the automobile diagnosis history information provided by the information provision center system (40) to be transmitted to the reception place where the user desires to receive such information. If the user wishes to receive the result of the requested service at a terminal designated by the user, such as the user's computer, facsimile, mobile phone or wired phone, etc., the user selects the reception place change service through the user system (10) in the state where the authentication was granted from the information provision center system (40). If it is determined that the reception place change service has been selected, the user system (10)'s processor displays a message on the screen requesting that the user input the desired time and the terminal number for the reception of the information (STEP S131). The user inputs the terminal number and the time desired for the reception of the information through the displayed screen. The inputted terminal number and the desired reception time are transmitted to the information provision center system (40) through the reception conversion unit (14). The processor of the information provision center system (40) registers the reception terminal number and desired reception time through the reception reservation unit (44) and transmits the information requested by the user at the said desired reception time to the desired terminal (STEP SI 32).
As explained above, the present invention may have an automobile conveniently diagnosed from a remote place through the on-line Internet connection and have the diagnosis result and repair method transmitted real time. Therefore, the automobile's status may be diagnosed conveniently and expeditiously. Furthermore, according to the present invention, ordinary drivers without any specialized knowledge may obtain the diagnosis of the automobile and repair method conveniently. Consequently, the expenses for the automobile maintenance and repair may be reduced.
Additionally, because the present invention uses the Internet, the information on the relevant vehicle may easily be obtained without any restrictions concerning the region or nation, etc.
Also, in the case that any new type automobile is out on the market, the information concerning such new type automobile may be obtained without great economic burden because only the information provision center system needs to be upgraded for the relevant new type automobile.
Moreover, because the diagnosis result and repair method may be transmitted to the terminal at the desired place at the desired reception time, the present invention provides further convenience to the user.

Claims

WHAT IS CLAIMED IS :
1. A device for providing automobile diagnosis/repair information using the Internet service, comprising: a vehicle communication system which communicates with the automobile's equipment in which the subject automobile's status information is stored; a user system which is installed in an automobile-related business and equipped with a user interface, and which may be connected to the Internet on-line; an information provision center system which analyzes the automobile status information transmitted from the said user system and provides the diagnosis result and repair method information based upon the automobile's status; and a data conversion system which converts communicated data to make the communication methods of the said vehicle communication system and the user system compatible with each other.
2. The device for providing automobile diagnosis/repair information using the Internet service according to claim 1 , wherein the said information provision center system comprises: a reception unit which receives signals from the said user system connected to the Internet on-line; an authentication unit which determines whether to grant the use authentication by reviewing the use authentication request transmitted from the said user system; a reception reservation unit which sets up the database with the information specified by the user for the reception of the service; a DB search unit which extracts from the database the data required for the analysis of the automobile status information based upon the automobile status information transmitted from the said user system, a transmission unit which transmits signals to the said user system, and a summary unit which summaπzes the diagnosis history of the subscriber connected through the said user system
3 The device for providing automobile diagnosis/repair information using the
Internet service according to claim 1, wherein the said user system compπses a reception unit which receives data and/or signals from the said data conversion system and/or the information provision center system, a transmission unit which transmits data and/or signals to the said data conversion system and/or the information provision center system, a reception conversion unit which converts the relevant information so that the diagnosis result/repair method information received from the information provision center system may be transmitted to the terminal specified by the user at the time desired by the user, a DB search unit which accesses in the database the relevant data required for the user's request information and the communicated information, an encryption unit which encrypts or decrypts signals and/or information communicated with the said information provision center system and the said data conversion system, and a registration change unit which conducts the subscriber registration and/or password change so that the said information provision center system and the said data conversion system may request and receive the relevant information while connected on- line
4. The device for providing automobile diagnosis/repair information using the Internet service according to claim 1, wherein the said data conversion system comprises: an RS-232 conversion unit which enables the data communication with the said vehicle system to be conducted by the K-line or L-line communication method; an encryption unit which encrypts or decrypts information communicated with the said vehicle communication system; a packet processing unit which generates packets with the data for the communication with the said user system; a transmission unit which transmits data to the said vehicle communication system and the said user system; and a reception unit which receives data from the said vehicle communication system and the said user system.
5. The method for providing automobile diagnosis/repair information using the Internet service, comprising the steps of: establishing the data communication relationship among the subject automobile to be diagnosed and the data conversion system and the user system installed in the automobile-related business; connecting the user system and the information provision center system to the Internet on-line; requesting the service use authentication to the information provision center system through the user system; granting the use authentication if the authentication request is determined to be legitimate upon the information provision center's review of the use authentication request, determining whether the service item requested by the user through the user system is the signal for requesting the automobile diagnosis, requesting the subject automobile's status information through the said data conversion system if the said service item is the signal for requesting the automobile diagnosis, requesting the automobile diagnosis by receiving the automobile's status information which has been stored in the automobile and then transmitting the automobile's status information to the information provision center system, and extracting the diagnosis result and repair method information by analyzing the automobile's status information based upon the user system's diagnosis request and transmitting the diagnosis result and repair method information to the user system
6 The method for providing automobile diagnosis/repair information using the
Internet service according to claim 5, further composing the steps of determining whether the service item requested by the user through the user system is the signal requesting the review of the automobile diagnosis history for a certain peπod of time, and extracting and providing the relevant user's automobile diagnosis history information stored in the database upon analyzing the review request signal at the information provision center system if the said requested service item is the signal requesting the review of the automobile diagnosis history
7 The method for providing automobile diagnosis/repan information using the Internet service according to claim 5 or claim 6, further comprising the step of transmitting the relevant automobile's diagnosis result/repair method information or the automobile diagnosis history information to the specified terminal at the time designated by the user according to the user's request.
8. The method for providing automobile diagnosis/repair information using the
Internet service according to claim 7, wherein the specified terminal may be a mobile phone, facsimile, ordinary telephone, or computer terminal.
PCT/KR2001/000383 2000-03-14 2001-03-12 System and method for providing vehicle diagnostic/repairing information using internet based service WO2001069419A1 (en)

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