CN1631763A - Control apparatus and control method for loading light oil products - Google Patents
Control apparatus and control method for loading light oil products Download PDFInfo
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- CN1631763A CN1631763A CN 200410075555 CN200410075555A CN1631763A CN 1631763 A CN1631763 A CN 1631763A CN 200410075555 CN200410075555 CN 200410075555 CN 200410075555 A CN200410075555 A CN 200410075555A CN 1631763 A CN1631763 A CN 1631763A
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Abstract
The invention is a device controls the oil tank in-loading of the light oil and its control method. The device consists of intake pipe, filter, oil pump, manual valve, single acting valve, flowmeter. Besides there are also solenoid valve, automatic loading control counter, computer control device, and antistatic device. The oil pump, flowmeter and the solenoid valve is connected to the automatic loading control counter which connected to the Ethernet through the computer control device and cable. The antistatic device is installed between the counter and the oil tanker. Input the initial date of revising intaking amount and the reserved amount of oil by using the device to the computer, the device will pump out oil at the amount calculated. Adjust the revising amounting according to errors of each loading so to meet the need of controlling loading accuracy. The invention is rationally designed, easily produced, conveniently applied, well extended and precisely controlled.
Description
(1) technical field
The present invention relates to a kind of control method of liquid form product automatic loading, particularly a kind of clean cargo entrucking control setup and control method.
(2) background technology
Enter late 1990s, the leading of industrial process control mainly is the widespread use of DCS (Distributed Control System).Fast development along with computer networking technology, also further complicated because of production process and control system simultaneously, people have been applied to computer networking technology between the front end processor of controlling and in the data transmission of front end processor and upper computer, front end processor is still finished the controllable function of oneself, but the data transmission between it and the upper computer adopts computer network to realize.Upper computer has increased the allocation function of system configuration function and network.The DCS system is the application achievements of computer networking technology in control system, has improved the reliability and maintainability of system, has replaced the STD bus of extensive employing and MULTI BUS bus etc., at the industrial control field of today still in occupation of critical role.DCS is that basic system is: level, centralized management operation level are handled in field control level, communication.The field control level is finished the collection, processing, the operation of control instrument, the output of control signal of on-site signal; Communication processing level is responsible for finishing the data exchange between field control level and the centralized management operation level, and the centralized management operation level monitors the working condition of adjustment field control level and the on-line optimization reconfiguration of field control level for operating personal.But DCS does not possess opening, and its extendability is poor, and precision is not high, and wiring is complicated, expense is higher, the integrated difficulty of the product of different manufacturers.
(3) summary of the invention
At the deficiencies in the prior art, the present invention is reasonable in design, easy to manufacture, easy to use, favorable expandability, clean cargo entrucking control setup and control method that control accuracy is high.
A kind of clean cargo entrucking control setup, form by oil inlet, filter, oil well pump, hand valve, check valve, flow counter, also be provided with electromagnetic valve, automatic loading control housing, computer control device and anti-static device, oil well pump, flow counter and electromagnetic valve are connected with the automatic loading control housing, the automatic loading control housing is connected with computer control device by data line, and computer control device is connected on the ethernet line; Anti-static device is arranged between automatic loading control housing and the charge of oil tank car.
Described anti-static device is made up of explosion-proof contact sucked type K switch, two aerotron T1, T2 and photoelectrical coupler TLP521, explosion-proof contact sucked type K switch is adsorbed on the oil tank of charge of oil tank car, K switch is connected with the base stage of aerotron T1, the collecting electrode of T1 is connected with photoelectrical coupler TLP521 by LED, photoelectrical coupler TLP521 is connected with aerotron T2, a stabilivolt VD in parallel between the collecting electrode of aerotron T2 and the emitter, the collecting electrode of aerotron T2 is connected with the automatic loading control housing, and aerotron T1 and T2 use 9013.
Described oil well pump 3 is made up of fire proof motor and explosion-proof centrifugal pump, and oil well pump is connected with the automatic loading control housing by control cable with electromagnetic valve, and flow counter is connected with the automatic loading control housing by the data communication cable.
Described automatic loading control housing mainly by control and data bus RS-232, with the RS-485 data bus be converted to the RS-232 data bus integrated circuit ADAM-4520, data-signal be converted to integrated circuit ADAM-4060, control relay, actuating relay, the power supply of controlling analog signal form.
Described computer control device is made up of computing machine, extended serial card T114, WIN XP.
Described flow counter Rosemount T-150 type flow counter.
Because petrol storage tank is the ground jar, in the process that is charge of oil tank car charge of oil, the liquid level of petrol storage tank constantly changes, the flow velocity of oil-feed liquid in pipe also can change, also and then corresponding variation of the shut of electromagnetic valve simultaneously, cause there is 15 ‰-25 ‰ error between actual oil capacity and the predetermined oil capacity initial correction value of oil capacity before definite starter gear between 15 ‰-25 ‰.
The control method of clean cargo entrucking control setup is: the initial correction value of determining the preceding oil capacity of starter gear, by clean cargo entrucking control setup, in the primary data input computing machine with this initial correction value and predetermined oil capacity, send the charge of oil instruction by computing machine the charge of oil tank car is refueled; According to the actual error of each oil capacity, the initial correction value is finely tuned again, satisfy the requirement of control oil capacity precision; Concrete steps are as follows:
(1), determines the initial correction value a of the preceding oil capacity of starter gear;
(2), the initial correction value a of oil capacity and the primary data of predetermined oil capacity are imported in the computing machine;
(3), computing machine sends charge of oil instruction, starts oil well pump and electromagnetic valve through automatic control cabinet, finish the charge of oil tank car refueled;
(4) if the actual error between actual oil capacity of first car and the predetermined oil capacity is d, and d 〉=a, redefine correction b again, make b＜a;
(5), the primary data of correction b and predetermined oil capacity is imported in the computing machine repeating step (3);
(6) if the actual error between actual oil capacity of second car and the predetermined oil capacity is d, and d 〉=b, redefine correction c again, make c＜b;
(7), the primary data of correction c and predetermined oil capacity is imported in the computing machine repeating step (3);
(8), the actual error between the actual oil capacity of the 3rd car and the predetermined oil capacity is d, and d≤c finally realizes systematic error≤1.7 ‰.
In the present invention:
The effect of hand valve is in order to prevent the malfunctioning or out of control leakage of overflowing that makes fluid of check valve and electromagnetic valve, to guarantee charge of oil safety; Check valve solves common conduit and starts the oil well pump backflow phenomenon simultaneously, prevents flow counter vacuum enumeration problem.
Computer control device is the core component of control system, with the typing of initial charge of oil data, receive the field data data storage processing, start or stop automatic control device work, realize respectively refueling the daily entrucking workflow of booth and the dynamic security process of monitoring charge of oil by system configuration, realize high-precision measuring, generate functions such as report output and online enquiries.This device carries out organic the connection and combination with field apparatus and computer control system, realizes system data transmission conversion process and equipment action, finishes whole automatic loading control and management overall process.
Rosemount T-150 type flow counter (U.S.) makes up by fieldbus, the fluid that will flow through carries out modulus or analogue to digital conversion, its data are sent to automatic loading control housing and microprocessor control system with the RS-485 bus mode, the automatic input computer of data, realize the interoperability between the equipment instrument may command computing machine such as on-the-spot mass flowmeter, comprise that on-the-spot flow counter transmits parameter such as real-time measurement parameter computer settings field apparatus oil plant entrucking weight and sets the start and stop control etc. of field apparatus to computing machine.
Electromagnetic valve---German D2408/0402/247 model is forced pilot-operated type.Its effect is to open or close the entrucking oil circuit, opens or closes action by automatic loading control housing and microprocessor control system control, cooperates the charge of oil task of finishing the user with flow counter.
Explosion-proof contact sucked type K switch: be adsorbed on on-the-spot charge of oil vehicle tank outside face during work.Effect is: the static that the charge of oil vehicle tank is produced in time leaks into the earth, produces on-the-spot charge of oil car simultaneously and is ready to signal, offers automatic loading control housing and computer starting oiling beginning.
Ethernet (100M) can be realized group of planes data exchange, long-range online enquiries, resource sharing.
The present invention adopts distributed control technology, the measuring accuracy height; Adopt chain safety measure and expeditious measures, security of system is reliable, good stability; Realize the long range data inquiry, can inquire oil plant applicable cases and this unit bicycle charge of oil situation of any time of constituent parts pellucidly; Have reasonable in design, easy to manufacture, easy to use, favorable expandability, characteristics that control accuracy is high.
(4) description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is an anti-static device structural representation among the present invention.
Fig. 3 is raising system accuracy of the present invention " error is preferentially revised recently " method realization flow figure.
Wherein: 1, oil inlet, 2, filter, 3, oil well pump, 4, hand valve, 5, check valve, 6, flow counter, 7, electromagnetic valve, 8, oil outlet pipe, 9, the charge of oil tank car, 10, electrostatic prevention connection lead, 11, anti-static device, 12, the Oil pump electrical machinery control cable, 13, the data communication cable, 14, solenoid control cable, 15, automatic loading control housing, 16, the system microcomputer control setup, 17, the initial charge of oil information of typing, 18, ethernet line, 19, control line, 20, data line, 21, ADAM-4060,22, ADAM-4520,23, explosion-proof contact sucked type switch (k).
(5) specific embodiment
Embodiment 1: structure of the present invention as depicted in figs. 1 and 2, software flow is as shown in Figure 3.Form by oil inlet 1, filter 2, oil well pump 3, hand valve 4, check valve 5, flow counter 6, electromagnetic valve 7, automatic loading control housing 15 and computer control device 16, oil well pump 3, flow counter 6 and electromagnetic valve 7 are connected with automatic loading control housing 15, automatic loading control housing 15 is connected with computer control device 16, and computer control device 16 is connected on the ethernet line 18; Between automatic loading control housing 15 and charge of oil tank car 9, be provided with anti-static device 11.
Described anti-static device is made up of explosion-proof contact sucked type K switch, two aerotron T1, T2 and photoelectrical coupler TLP521, explosion-proof contact sucked type K switch is adsorbed on the oil tank of charge of oil tank car, K switch is connected with the base stage of aerotron T1, the collecting electrode of T1 is connected with photoelectrical coupler TLP521 by LED, photoelectrical coupler TLP521 is connected with aerotron T2, a stabilivolt VD in parallel between the collecting electrode of aerotron T2 and the emitter, the collecting electrode of aerotron T2 is connected with the automatic loading control housing, and aerotron T1 and T2 use 9013.
Described oil well pump 3 is connected with automatic loading control housing 15 with 14 by control cable 12 with electromagnetic valve 7, and flow counter 6 is connected with automatic loading control housing 15 by data communication cable 13.
Described automatic loading control housing mainly by control 15 and data bus RS-232, with the RS-485 data bus be converted to the RS-232 data bus integrated circuit ADAM-4520, with data-signal be converted to control analog signal integrated circuit ADAM-4060, control relay, actuating relay, power supply form.
Described computer control device 16 is made up of computing machine, extended serial card T114, WIN XP.
Described flow counter 6 usefulness Rosemount T-150 type flow counter.
The control method of clean cargo entrucking control setup is: the initial correction value of determining the preceding oil capacity of starter gear, by clean cargo entrucking control setup, in the primary data input computing machine with this initial correction value and predetermined oil capacity, send the charge of oil instruction by computing machine the charge of oil tank car is refueled; According to the actual error of each oil capacity, the initial correction value is finely tuned again, satisfy the requirement of control oil capacity precision; Concrete steps are as follows:
(1), determines that the initial correction value a of oil capacity is 15kg before the starter gear;
(2), the initial correction value a (15kg) of oil capacity and the primary data of predetermined oil capacity are imported in the computing machine;
(3), computing machine sends charge of oil instruction, starts oil well pump and electromagnetic valve through automatic control cabinet, finish charge of oil tank car refueling process;
(4) if the actual error between actual oil capacity of first car and the predetermined oil capacity is 20kg, greater than a (15kg), redefining correction b again is 8kg;
(5), the primary data of correction b (8kg) and predetermined oil capacity is imported in the computing machine repeating step (3);
(6) if the actual error d between actual oil capacity of second car and the predetermined oil capacity is 9kg, greater than b (8kg), redefining correction c again is 5kg;
(7), the primary data of correction c (5kg) and predetermined oil capacity is imported in the computing machine repeating step (3);
(8), the actual error between the actual oil capacity of the 3rd car and the predetermined oil capacity is 1kg, finally realizes error≤1.7 ‰ of oil capacity.
Embodiment 2: apparatus and method of the present invention are with embodiment 1, and different is that concrete steps are as follows:
(1), determines that the initial correction value a of oil capacity is 18kg before the starter gear;
(2), the initial correction value a (18kg) of oil capacity and the primary data of predetermined oil capacity are imported in the computing machine;
(3), computing machine sends charge of oil instruction, starts oil well pump and electromagnetic valve through automatic control cabinet, finish charge of oil tank car refueling process;
(4) if the actual error between actual oil capacity of first car and the predetermined oil capacity is 24kg, greater than a (18kg), redefining correction b again is 9kg;
(5), the primary data of correction b (9kg) and predetermined oil capacity is imported in the computing machine repeating step (3);
(6) if the actual error d between actual oil capacity of second car and the predetermined oil capacity is 10kg, greater than b (8kg), redefining correction c again is 5kg;
(7), the primary data of correction c (5kg) and predetermined oil capacity is imported in the computing machine repeating step (3);
(8), the actual error between the actual oil capacity of the 3rd car and the predetermined oil capacity is 1.5kg, finally realizes error≤1.7 ‰ of oil capacity.
Claims (7)
1, a kind of clean cargo entrucking control setup, form by oil inlet, filter, oil well pump, hand valve, check valve, flow counter, it is characterized in that, also be provided with electromagnetic valve, automatic loading control housing, computer control device and anti-static device, oil well pump, flow counter and electromagnetic valve are connected with the automatic loading control housing, the automatic loading control housing is connected with computer control device by data line, and computer control device is connected on the ethernet line; Anti-static device is arranged between automatic loading control housing and the charge of oil tank car.
2, clean cargo entrucking control setup as claimed in claim 1, it is characterized in that, described anti-static device is by explosion-proof contact sucked type K switch, two aerotron T1, T2 and photoelectrical coupler TLP521 form, explosion-proof contact sucked type K switch is adsorbed on the oil tank of charge of oil tank car, K switch is connected with the base stage of aerotron T1, the collecting electrode of T1 is connected with photoelectrical coupler TLP521 by LED, photoelectrical coupler TLP521 is connected with aerotron T2, a stabilivolt VD in parallel between the collecting electrode of aerotron T2 and the emitter, the collecting electrode of aerotron T2 is connected with the automatic loading control housing, and aerotron T1 and T2 use 9013.
3, clean cargo entrucking control setup as claimed in claim 1, it is characterized in that, described oil well pump 3 is made up of fire proof motor and explosion-proof centrifugal pump, oil well pump is connected with the automatic loading control housing by control cable with electromagnetic valve, and flow counter is connected with the automatic loading control housing by the data communication cable.
4, clean cargo entrucking control setup as claimed in claim 1, it is characterized in that, described automatic loading control housing mainly by control and data bus RS-232, with the RS-485 data bus be converted to the RS-232 data bus integrated circuit ADAM-4520, data-signal be converted to integrated circuit ADAM-4060, control relay, actuating relay, the power supply of controlling analog signal form.
5, clean cargo entrucking control setup as claimed in claim 1 is characterized in that, described computer control device is made up of computing machine, extended serial card T114, WIN XP.
6, clean cargo entrucking control setup as claimed in claim 1 is characterized in that, described flow counter Rosemount T-150 type flow counter.
7, a kind of clean cargo entrucking and control method, it is characterized in that, determine the initial correction value of the preceding oil capacity of starter gear, by the described clean cargo entrucking of claim 1 control setup, in the primary data input computing machine with this initial correction value and predetermined oil capacity, send the charge of oil instruction by computing machine the charge of oil tank car is refueled; According to the actual error of each oil capacity, the initial correction value is finely tuned again, satisfy the requirement of control oil capacity precision; Concrete steps are as follows:
(1), determines the initial correction value a of the preceding oil capacity of starter gear;
(2), the initial correction value a of oil capacity and the primary data of predetermined oil capacity are imported in the computing machine;
(3), computing machine sends charge of oil instruction, starts oil well pump and electromagnetic valve through automatic control cabinet, finish the charge of oil tank car refueled;
(4) if the actual error between actual oil capacity of first car and the predetermined oil capacity is d, and d 〉=a, redefine correction b again, make b＜a;
(5), the primary data of correction b and predetermined oil capacity is imported in the computing machine repeating step (3);
(6) if the actual error between actual oil capacity of second car and the predetermined oil capacity is d, and d 〉=b, redefine correction c again, make c＜b;
(7), the primary data of correction c and predetermined oil capacity is imported in the computing machine repeating step (3);
(8), the actual error between the actual oil capacity of the 3rd car and the predetermined oil capacity is d, and d≤c finally realizes systematic error≤1.7 ‰.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410075555 CN1274580C (en) | 2004-12-22 | 2004-12-22 | Control apparatus and control method for loading light oil products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410075555 CN1274580C (en) | 2004-12-22 | 2004-12-22 | Control apparatus and control method for loading light oil products |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101197179A Division CN100482570C (en) | 2004-12-22 | 2004-12-22 | Control method for device of controlling light end products to be loaded to vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1631763A true CN1631763A (en) | 2005-06-29 |
| CN1274580C CN1274580C (en) | 2006-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410075555 Expired - Fee Related CN1274580C (en) | 2004-12-22 | 2004-12-22 | Control apparatus and control method for loading light oil products |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1978308B (en) * | 2006-09-13 | 2010-07-28 | 沈阳铝镁设计研究院 | Caustic soda liquid discharge processand its special equipment |
| CN101786590A (en) * | 2010-03-25 | 2010-07-28 | 北京三兴汽车有限公司 | Oil unloading device vehicle for railway oil tank and oil transportation method thereof |
| CN103395733A (en) * | 2013-08-07 | 2013-11-20 | 江苏三科安全科技有限公司 | Electrical control system of skid-mounted oil filling device |
| CN103836248A (en) * | 2012-11-22 | 2014-06-04 | 无锡市新兴仪表有限公司 | Electromagnetic valve control device, control system and electromagnetic valve control method |
| CN104627933A (en) * | 2013-11-14 | 2015-05-20 | 宁夏中远天晟科技有限公司 | Oiling measuring and monitoring system for railway tank wagon |
| CN106744623A (en) * | 2017-01-12 | 2017-05-31 | 郑州盈嘉石油工程技术有限公司 | A kind of skid-mounted type quantifying and loading control station |
| CN106744625A (en) * | 2017-03-29 | 2017-05-31 | 中国石油天然气集团公司 | Adjusting method is measured in a kind of high-temperature sticky liquid entrucking |
-
2004
- 2004-12-22 CN CN 200410075555 patent/CN1274580C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1978308B (en) * | 2006-09-13 | 2010-07-28 | 沈阳铝镁设计研究院 | Caustic soda liquid discharge processand its special equipment |
| CN101786590A (en) * | 2010-03-25 | 2010-07-28 | 北京三兴汽车有限公司 | Oil unloading device vehicle for railway oil tank and oil transportation method thereof |
| CN101786590B (en) * | 2010-03-25 | 2012-08-22 | 北京三兴汽车有限公司 | Oil unloading device vehicle for railway oil tank and oil transportation method thereof |
| CN103836248A (en) * | 2012-11-22 | 2014-06-04 | 无锡市新兴仪表有限公司 | Electromagnetic valve control device, control system and electromagnetic valve control method |
| CN103395733A (en) * | 2013-08-07 | 2013-11-20 | 江苏三科安全科技有限公司 | Electrical control system of skid-mounted oil filling device |
| CN104627933A (en) * | 2013-11-14 | 2015-05-20 | 宁夏中远天晟科技有限公司 | Oiling measuring and monitoring system for railway tank wagon |
| CN106744623A (en) * | 2017-01-12 | 2017-05-31 | 郑州盈嘉石油工程技术有限公司 | A kind of skid-mounted type quantifying and loading control station |
| CN106744625A (en) * | 2017-03-29 | 2017-05-31 | 中国石油天然气集团公司 | Adjusting method is measured in a kind of high-temperature sticky liquid entrucking |
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| Publication number | Publication date |
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| CN1274580C (en) | 2006-09-13 |
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