CN102404362A - Digital electric meter communication system and method - Google Patents
Digital electric meter communication system and method Download PDFInfo
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- CN102404362A CN102404362A CN2010102805863A CN201010280586A CN102404362A CN 102404362 A CN102404362 A CN 102404362A CN 2010102805863 A CN2010102805863 A CN 2010102805863A CN 201010280586 A CN201010280586 A CN 201010280586A CN 102404362 A CN102404362 A CN 102404362A
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Abstract
The invention relates to a digital electric meter communication system and a digital electric meter communication method. The digital electric meter communication system comprises a plurality of terminal network communication devices, at least one centralized network communication device and a digital electric meter communication device, wherein each of the terminal network communication devices is electrically connected with a terminal digital electric meter, a processing component of the digital electric meter communication device is used for receiving an electric meter communication instruction, the electric meter communication instruction is used for communication with a target digital electric meter, the target digital electric meter is electrically connected with a target network communication device, the processing component establishes a virtual channel with the target network communication device through a network, the network is connected with the centralized network communication device, the processing component is stored in a digital electric meter communication program in a storage component according to the target network communication device and is used for acquiring and loading a target electric meter communication program corresponding to the target digital electric meter and making the target electric meter communication program execute the electric meter communication instruction through the virtual channel.
Description
Technical field
The invention relates to a kind of ammeter communication system and method, and particularly relevant for a kind of digital electric meter communication system and method.
Background technology
The employed mechanical ammeter of past many decades is the numerical digit ammeter with changing the outfit gradually.After changing the outfit as far as the user, maximum difference be exactly user's power information can be real-time appear, and no longer be two months electricity bills once.In addition, effective electric power resource management also can be done by Utilities Electric Co., and the tariff policies according to economic benefit is provided.This will be an ammeter " quiet digital revolution ".
The data format that digital electric meter adopted, communications protocol even the mechanics of communication that present each tame manufacturer is produced all is not quite similar and the open user of giving.Therefore, make the digital electric meter of different labels to carry out communication through identical platform.Yet, for electric power supplier (like Taiwan Power Company), need to consider the digital electric meter of each tame manufacturer can on identical platform, be operated, avoiding the use of the digital electric meter of specific label, and the suspicion of the manufacturer of desiring to make money or profit is arranged.
By on can know, how on identical platform, carry out communication with multiple different digital electric meter, just become an important problem.
Summary of the invention
Therefore, a purpose of the present invention is that a kind of digital electric meter communication system is being provided.The digital electric meter communication system uses the digital electric meter communication program of the digital electric meter that is electrically connected corresponding to the terminal network communication device according to the identifying information of terminal network communication device, carries out communication with digital electric meter.The digital electric meter communication system comprises several terminal network communication devices, at least one on-line file communication device and a digital electric meter communication device.The digital electric meter communication device electrically connects at least one on-line file communication device.An each terminal network communication device and a network are set up and are linked.Each terminal called device electrically connects a terminal digital electric meter.At least one on-line file communication device and network are set up and are linked.The digital electric meter communication device comprises a storage assembly and a processing components of mutual electric connection.Storage assembly has several electric connection information and several digital electric meter communication programs.Wherein, each electric connection information writes down the terminal digital electric meter that each terminal called device is electrically connected.Each digital electric meter communication program corresponding one preset ammeter model.Processing components comprises a command reception module, a passage is set up module, a judge module and an ammeter communication module.The command reception module receives an ammeter communication instruction.Wherein, the ammeter communication instruction is to carry out communication in order to a target number ammeter that is electrically connected with an objective network communication device.Passage is set up module and is seen through the network that at least one on-line file communication device is linked, and sets up a tunnel with the objective network communication device.Judge module judges that whether the objective network communication device is one of them of terminal network communication device.When the objective network communication device is one of them of terminal network communication device; The ammeter communication module is according to the objective network communication device, and the target ammeter communication program corresponding to the target number ammeter is obtained and loaded to the digital electric meter communication program in storage assembly; And make target ammeter communication program; See through tunnel, carry out the ammeter communication instruction, to carry out communication with the target number ammeter.
Another object of the present invention is that a kind of digital electric meter means of communication are being provided.In the digital electric meter means of communication, according to the identifying information of terminal network communication device, use the digital electric meter communication program of the digital electric meter that is electrically connected corresponding to the terminal network communication device, carry out communication with digital electric meter.The digital electric meter means of communication can be in fact as a computer program, and is stored in the computer-readable medium storing, and makes computer read the combine digital ammeter means of communication after this recording medium.The digital electric meter means of communication comprise following steps: receive an ammeter communication instruction.Wherein, the ammeter communication instruction is to carry out communication in order to a target number ammeter that is electrically connected with an objective network communication device.Set up a tunnel with the objective network communication device.One storage assembly is provided.Wherein, storage assembly has several electric connection information and several digital electric meter communication programs.Wherein, each electric connection information writes down the terminal digital electric meter that a terminal called device is electrically connected.Each digital electric meter communication program corresponding one preset ammeter model.Judge that whether the objective network communication device is one of them of terminal network communication device.When the objective network communication device is one of them of terminal network communication device; According to the objective network communication device,, obtain and load a target ammeter communication program corresponding to the target number ammeter from the digital electric meter communication program; And make target ammeter communication program; See through tunnel, carry out the ammeter communication instruction, to carry out communication with the target number ammeter.
Use the present invention and have advantage.The identifying information of the network communication device that digital electric meter electrically connected that can be through desiring communication as the foundation that loads corresponding digital electric meter communication program, thereby need not known the form of the identifying information of digital electric meter.In addition, even the data format of its digital electric meter of producing is reluctant to disclose by each manufacturer, still can be through various digital electric meter communication programs be stored in storage assembly, go up the purpose that the digital electric meters with various different models carry out communication and reach at same system (platform).In addition, but because the digital electric meter of communication is not limited to same model or label, so can reduce the difficulty that in the future goes up replacement or newly-increased ammeter in same system (platform).
Description of drawings
For letting above and other objects of the present invention, characteristic, advantage and the embodiment can be more obviously understandable, the explanation of appended accompanying drawing be following:
Fig. 1 illustrates the functional block diagram according to a kind of digital electric meter communication system of an embodiment of the present invention;
Fig. 2 is the flow chart according to a kind of digital electric meter means of communication of an embodiment of the present invention.
[primary clustering symbol description]
110,120 ..., 1n0: the terminal network communication device
210,220 ..., 2n0: terminal numerical digit ammeter
300: network 400: the on-line file communication device
500: digital electric meter communication device 510: storage assembly
520: processing components 521: the command reception module
522: passage is set up module 523: judge module
524: ammeter communication module 525: the ammeter discrimination module
526: storage module 527: the passage interrupt module
610～710: step
Embodiment
Below will clearly demonstrate spirit of the present invention with accompanying drawing and detailed description; Has common knowledge the knowledgeable under any in the technical field after understanding preferred embodiment of the present invention; When can be by the technology of teachings of the present invention, change and modification, it does not break away from spirit of the present invention and scope.
Please with reference to Fig. 1, it illustrates the functional block diagram according to a kind of digital electric meter communication system of an embodiment of the present invention.The digital electric meter communication system uses the digital electric meter communication program of the digital electric meter that is electrically connected corresponding to the terminal network communication device according to the identifying information of terminal network communication device, carries out communication with digital electric meter.
The digital electric meter communication system comprise several terminal network communication devices 110,120 ..., 1n0, at least one on-line file communication device 400 and a digital electric meter communication device 500.Wherein, terminal network communication device 110,120 ..., 1n0, at least one on-line file communication device 400 can be cable network communication device or radio network communication devices.Digital electric meter communication device 500 electrically connects at least one on-line file communication device 400.Each terminal network communication device 110,120 ..., 1n0 and a network 300 set up and link.Each terminal called device 110,120 ..., 1n0 electrically connect a terminal digital electric meter 210,220 ..., 2n0.At least one on-line file communication device 400 is set up with network 300 and is linked.Digital electric meter communication device 500 comprises a storage assembly 510 and a processing components 520 of mutual electric connection.Storage assembly 510 has several electric connection information and several digital electric meter communication programs.Wherein, each terminal called device 110,120 of each electric connection information record ..., terminal digital electric meter 210,220 that 1n0 electrically connected ..., 2n0.Each digital electric meter communication program corresponding one preset ammeter model.Storage assembly 510 can be read-only memory (read only memory; ROM), flash memory (Flash Memory), floppy disk, hard disk, CD, with oneself dish, tape, can or be familiar with the storage assembly that identical function can thought and have to this art easily by the database of network access.
In addition; If the ammeter communication instruction when not being stored in storage assembly 510 in order to the electric connection information of the objective network communication device of communication; Still can use each digital electric meter communication program one by one; Transmit to link and to require the target number ammeter that electrically connected to the objective network communication device, to find out the pairing digital electric meter communication program of target number ammeter.Therefore, processing components 520 also can comprise an ammeter discrimination module 525.The objective network communication device not for electric connection information be stored in storage assembly 510 terminal network communication device 110,120 ..., 1n0 one of them the time, ammeter discrimination module 525 selects to be stored in one of them of digital electric meter communication program of storage assembly 510.Ammeter discrimination module 525 makes selected digital electric meter communication program, sees through tunnel, transmits ammeter binding and requires to the target number ammeter, links answer to obtain an ammeter from the target number ammeter.Because if selected digital electric meter communication program is during corresponding to the target number ammeter, the target number ammeter can be replied the ammeter that selected digital electric meter communication program transmitted and linked requirement.Therefore, when obtaining ammeter binding answer from the target number ammeter, ammeter discrimination module 525 judges that selected digital electric meter communication program is corresponding to the target number ammeter.Then, ammeter communication module 524 can be used selected digital electric meter communication program, carries out communication with the target number ammeter.
In addition, can deposit the electric connection information of the model of objective network communication device and target number ammeter in storage assembly 510, the foundation when carrying out communication as next time and target number ammeter.Therefore, processing components 520 also can comprise a storage module 526.When judging selected digital electric meter communication program, with electric connection information storage to the storage assembly 510 between objective network communication device and the pairing preset ammeter model of digital electric meter communication program corresponding to the target number ammeter.
In a scheduled time of transmitting after ammeter links requirement, when the target number ammeter was obtained ammeter binding answer, ammeter discrimination module 525 judged that selected digital electric meter communication program does not correspond to the target number ammeter.So ammeter discrimination module 525 makes next digital electric meter communication program in the storage assembly 510, see through tunnel, transmit the ammeter binding and require to the target number ammeter.Thus, can transmit ammeter one by one through each digital electric meter communication program and link requirement, find out the pairing digital electric meter communication program of target number ammeter.
Because each terminal network communication device 110,120 ..., 1n0 simultaneously only can set up a tunnel; Therefore can tunnel be interrupted, and the terminal network communication device 110,120 of having no progeny in making ..., terminal digital electric meter 210,220 that 1n0 electrically connected ..., 2n0 can carry out communication with other digital electric meter communication device.Therefore, processing components 520 also can comprise a passage interrupt module 527.Wherein, passage interrupt module 527 can interrupt tunnel when receiving a broken string instruction.Passage interrupt module 527 can produce the broken string instruction after the ammeter communication instruction is carried out end.In addition, the user also can see through user's interface voluntarily, produces the broken string instruction.In addition, passage interrupt module 527 also can interrupt tunnel when not receiving another instruction in the upper limit standby time.So, the terminal network communication device 110,120 of having no progeny in the tunnel ..., terminal digital electric meter 210,220 that 1n0 electrically connected ..., 2n0 can carry out communication with other digital electric meter communication device.
Please with reference to Fig. 2, it is the flow chart according to a kind of digital electric meter means of communication of an embodiment of the present invention.In the digital electric meter means of communication, according to the identifying information of terminal network communication device, use the digital electric meter communication program of the digital electric meter that is electrically connected corresponding to the terminal network communication device, carry out communication with digital electric meter.The digital electric meter means of communication can be in fact as a computer program, and is stored in the computer-readable medium storing, and makes computer read the combine digital ammeter means of communication after this recording medium.Computer-readable medium storing can be read-only memory, flash memory, floppy disk, hard disk, CD, with oneself dish, tape, can or be familiar with the computer-readable medium storing that identical function can thought and have to this art easily by the database of network access.The digital electric meter means of communication comprise following steps:
In step 610, receive an ammeter communication instruction.Wherein, the ammeter communication instruction is to carry out communication in order to a target number ammeter that is electrically connected with an objective network communication device.The ammeter communication instruction can be in order to ammeter setting command or other digital electric meter ammeter communication instruction to the ammeter information of the meter reading instruction of the ammeter value of reading acquisition of target number ammeter, target setting digital electric meter.
In step 620, set up a tunnel with the objective network communication device.Wherein, tunnel can see through cable network or wireless network foundation (step 620).
In step 630, a storage assembly is provided.Wherein, storage assembly has several electric connection information and several digital electric meter communication programs.Each electric connection information writes down the terminal digital electric meter that a terminal called device is electrically connected.Each digital electric meter communication program corresponding one preset ammeter model.In addition, each terminal network communication device only can be set up a tunnel simultaneously, with the terminal digital electric meter of avoiding each terminal network communication device to be electrically connected, carries out communication with a plurality of digital electric meter communication programs simultaneously.
In step 640, judge that whether the objective network communication device is one of them of terminal network communication device.
If the objective network communication device is the terminal network communication device one of them, then can inquires about the electric connection information in the storage assembly, and learn the ammeter model of the target number ammeter that the objective network communication device is electrically connected.Therefore, in step 650, when the objective network communication device is one of them of terminal network communication device,,, obtain and load a target ammeter communication program corresponding to the target number ammeter from the digital electric meter communication program according to the objective network communication device.Wherein, can be according to the identifying information of objective network communication device, the electric connection information in the inquiry storage assembly is to obtain the ammeter model of the target number ammeter that the objective network communication device electrically connected.So, can look into the digital electric meter communication program in the news storage assembly, to obtain and to load a target ammeter communication program (step 650) according to the ammeter model of target number ammeter corresponding to the target number ammeter.
In step 660, make target ammeter communication program, see through tunnel, carry out the ammeter communication instruction, to carry out communication with the target number ammeter.Thus, the identifying information of the objective network communication device that can be electrically connected through the target number ammeter of desiring communication is as the foundation that loads corresponding digital electric meter communication program.So, can be applicable to carry out communication with multiple different digital ammeter.
In addition; If the ammeter communication instruction when not being stored in storage assembly in order to the electric connection information of the objective network communication device of communication; Still can use each digital electric meter communication program one by one; Transmit to link and to require the target number ammeter that electrically connected to the objective network communication device, to find out the pairing digital electric meter communication program of target number ammeter.Therefore, in step 670, when the objective network communication device is not stored in one of them of terminal network communication device of storage assembly for electric connection information, select to be stored in one of them of several digital electric meter communication programs of storage assembly.
In step 680, make selected digital electric meter communication program, see through tunnel, transmit ammeter binding and require to the target number ammeter, link answer to obtain an ammeter from the target number ammeter.
Because if selected digital electric meter communication program is during corresponding to the target number ammeter, the target number ammeter can be replied the ammeter that selected digital electric meter communication program transmitted and linked requirement.Therefore, can in step 690, judge whether that obtaining an ammeter from the target number ammeter links answer.
In step 700, when obtaining ammeter binding answer from the target number ammeter, judge selected digital electric meter communication program corresponding to the target number ammeter, and make selected digital electric meter communication program as target ammeter communication program.Then, make target ammeter communication program, see through tunnel, carry out the ammeter communication instruction, to carry out communication (step 660) with the target number ammeter.In addition, can deposit the electric connection information of the model of objective network communication device and target number ammeter in storage assembly, the foundation when carrying out communication as next time and target number ammeter.Therefore, can be when judging that selected digital electric meter communication program is corresponding to the target number ammeter, with the electric connection information storage between objective network communication device and the pairing preset ammeter model of digital electric meter communication program to storage assembly.
In step 710,, ammeter not when the target number ammeter is obtained ammeter binding answer, judges that selected digital electric meter communication program does not correspond to the target number ammeter in linking the scheduled time after requiring to transmit.Next, select next digital electric meter communication program (step 670) in the storage assembly, and see through tunnel, make selected next digital electric meter communication program, transmit the ammeter binding and require to target number ammeter (step 680).Thus, can transmit ammeter by each the digital electric meter communication program in the storage assembly one by one and link requirement, find out the pairing digital electric meter communication program of target number ammeter.
Because each terminal network communication device only can be set up a tunnel simultaneously, therefore can tunnel be interrupted, and the terminal digital electric meter that the terminal network communication device of having no progeny in making is electrically connected can carry out communication with other digital electric meter communication device.Therefore, the digital electric meter means of communication also can comprise the step of interrupting tunnel.Wherein, can when receiving a broken string instruction, interrupt tunnel.The instruction of breaking can produce through user's interface in ammeter communication instruction execution end back or user voluntarily.In addition, also can when not receiving another instruction in the upper limit standby time, interrupt tunnel.So the terminal digital electric meter that the terminal network communication device of having no progeny in the tunnel is electrically connected can carry out communication with other digital electric meter communication device.
Can know by the invention described above execution mode, use the present invention and have advantage.The identifying information of the network communication device that digital electric meter electrically connected that can be through desiring communication as the foundation that loads corresponding digital electric meter communication program, thereby need not known the form of the identifying information of digital electric meter.In addition; Even the data format of its digital electric meter of producing is reluctant to disclose by each manufacturer; Still can be through various digital electric meter communication programs be stored in storage assembly, and reach the purpose that on same system (platform), can carry out communication with the digital electric meter of various different models.In addition, be not limited to same model or label, therefore can reduce the difficulty that in the future goes up replacement or newly-increased ammeter in same system (platform) owing to can carry out the digital electric meter of communication.
Though the present invention discloses as above with execution mode; Right its is not in order to limiting the present invention, anyly is familiar with this art, do not breaking away from the spirit and scope of the present invention; When can doing various changes and retouching, so protection scope of the present invention is as the criterion when looking the scope that claims define.
Claims (14)
1. a digital electric meter communication system is characterized in that, comprises:
A plurality of terminal network communication devices are set up binding with a network, and wherein each those terminal called device electrically connects a terminal digital electric meter;
At least one on-line file communication device is set up binding with this network; And
One digital electric meter communication device electrically connects this at least one on-line file communication device, and wherein this digital electric meter communication device comprises:
One storage assembly; There are a plurality of electric connection information and a plurality of digital electric meter communication program; Wherein each those electric connection information writes down this terminal digital electric meter that each those terminal called device is electrically connected, and each those digital electric meter communication programs corresponding one preset ammeter model; And
One processing components electrically connects this storage assembly, and wherein this processing components comprises:
One command reception module receives an ammeter communication instruction, and wherein this ammeter communication instruction is to carry out communication in order to a target number ammeter that is electrically connected with an objective network communication device;
One passage is set up module, sees through this network that this at least one on-line file communication device is linked, and sets up a tunnel with this objective network communication device;
One judge module judges that whether this objective network communication device is one of them of those terminal network communication devices; And
One ammeter communication module is when this objective network communication device is one of them of those terminal network communication devices, according to this objective network communication device; From those digital electric meter communication programs; Obtain and load a target ammeter communication program, and make this target ammeter communication program, see through this tunnel corresponding to this target number ammeter; Carry out this ammeter communication instruction, to carry out communication with this target number ammeter.
2. digital electric meter communication system according to claim 1 is characterized in that, this processing components also comprises:
One ammeter discrimination module; When this objective network communication device is not one of them of those terminal network communication devices; Select one of them of those digital electric meter communication programs, and make selected this digital electric meter communication program, see through this tunnel; Transmit an ammeter and link requirement to this target number ammeter; Obtain an ammeter with this target number ammeter certainly and link and reply, wherein obtain this ammeter and link when replying, judge that selected this digital electric meter communication program is corresponding to this target number ammeter at this target number ammeter certainly.
3. digital electric meter communication system according to claim 2; It is characterized in that; Not when this target number ammeter is obtained this ammeter binding answer, this ammeter discrimination module judges that selected this digital electric meter communication program does not correspond to this target number ammeter, and makes next digital electric meter communication program in this storage assembly in a scheduled time; See through this tunnel, transmit this ammeter and link requirement to this target number ammeter.
4. digital electric meter communication system according to claim 2 is characterized in that, this processing components also comprises:
One storage module; When judging that selected this digital electric meter communication program is corresponding to this target number ammeter, should preset electric connection information storage between ammeter model to this storage assembly with this objective network communication device and this digital electric meter communication program are pairing.
5. digital electric meter communication system according to claim 1 is characterized in that, this processing components also comprises:
One passage interrupt module when receiving a broken string instruction, interrupts this tunnel.
6. digital electric meter communication system according to claim 1 is characterized in that, this processing components also comprises:
One passage interrupt module when not receiving another instruction in the upper limit standby time, interrupts this tunnel.
7. digital electric meter communication system according to claim 1 is characterized in that, this ammeter communication instruction is meter reading instruction.
8. digital electric meter means of communication is characterized in that, comprise:
Receive an ammeter communication instruction, wherein this ammeter communication instruction is to carry out communication in order to a target number ammeter that is electrically connected with an objective network communication device;
Set up a tunnel with this objective network communication device;
One storage assembly is provided; Wherein this storage assembly has a plurality of electric connection information and a plurality of digital electric meter communication program; Wherein each those electric connection information writes down the terminal digital electric meter that a terminal called device is electrically connected, and each those digital electric meter communication programs corresponding one preset ammeter model;
Judge that whether this objective network communication device is one of them of those terminal network communication devices; And
When this objective network communication device is one of them of those terminal network communication devices; According to this objective network communication device,, obtain and load a target ammeter communication program corresponding to this target number ammeter from those digital electric meter communication programs; And make this target ammeter communication program; See through this tunnel, carry out this ammeter communication instruction, to carry out communication with this target number ammeter.
9. the digital electric meter means of communication according to claim 8 is characterized in that, also comprise:
When this objective network communication device is not one of them of those terminal network communication devices; Select one of them of those digital electric meter communication programs; And make selected this digital electric meter communication program; See through this tunnel, transmit an ammeter and link and require, obtain an ammeter with this target number ammeter certainly and link and reply to this target number ammeter; Wherein when this target number ammeter is obtained this ammeter binding answer certainly, judge that selected this digital electric meter communication program is corresponding to this target number ammeter.
10. the digital electric meter means of communication according to claim 9 is characterized in that, also comprise:
In a scheduled time, not obtaining this ammeter from this target number ammeter links when replying; Judge that selected this digital electric meter communication program does not correspond to this target number ammeter; And make next digital electric meter communication program in this storage assembly; See through this tunnel, transmit this ammeter and link requirement to this target number ammeter.
11. the digital electric meter means of communication according to claim 9 is characterized in that, also comprise:
When judging that selected this digital electric meter communication program is corresponding to this target number ammeter, should preset electric connection information storage between ammeter model to this storage assembly with this objective network communication device and this digital electric meter communication program are pairing.
12. the digital electric meter means of communication according to claim 8 is characterized in that, also comprise:
When receiving a broken string instruction, interrupt this tunnel.
13. the digital electric meter means of communication according to claim 8 is characterized in that, also comprise:
When not receiving another instruction in the upper limit standby time, interrupt this tunnel.
14. the digital electric meter means of communication according to claim 8 is characterized in that, this ammeter communication instruction is meter reading instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010280586.3A CN102404362B (en) | 2010-09-10 | 2010-09-10 | Digital electric meter communication system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010280586.3A CN102404362B (en) | 2010-09-10 | 2010-09-10 | Digital electric meter communication system and method |
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| CN102404362A true CN102404362A (en) | 2012-04-04 |
| CN102404362B CN102404362B (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010280586.3A Active CN102404362B (en) | 2010-09-10 | 2010-09-10 | Digital electric meter communication system and method |
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| WO2019184426A1 (en) * | 2018-03-26 | 2019-10-03 | 珠海格力电器股份有限公司 | Separate charging method, apparatus and system |
| CN111562539A (en) * | 2020-05-17 | 2020-08-21 | 宁夏隆基宁光仪表股份有限公司 | System and method for realizing data communication of intelligent electric energy meter by applying DataSocket technology |
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| WO2019184426A1 (en) * | 2018-03-26 | 2019-10-03 | 珠海格力电器股份有限公司 | Separate charging method, apparatus and system |
| CN111562539A (en) * | 2020-05-17 | 2020-08-21 | 宁夏隆基宁光仪表股份有限公司 | System and method for realizing data communication of intelligent electric energy meter by applying DataSocket technology |
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| Publication number | Publication date |
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| CN102404362B (en) | 2014-02-26 |
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