CN102890170A - Automatic false wiring conversion system for three-phase electric energy meter and implementation method thereof - Google Patents
Automatic false wiring conversion system for three-phase electric energy meter and implementation method thereof Download PDFInfo
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- CN102890170A CN102890170A CN2012104464858A CN201210446485A CN102890170A CN 102890170 A CN102890170 A CN 102890170A CN 2012104464858 A CN2012104464858 A CN 2012104464858A CN 201210446485 A CN201210446485 A CN 201210446485A CN 102890170 A CN102890170 A CN 102890170A
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Abstract
The invention discloses an automatic false wiring conversion system for a three-phase electric energy meter and an implementation method thereof. The problems that the false wiring easily occurs and is difficult to correct in the three-phase electric energy meter and the normal operation of a power system is influenced in the prior art are mainly solved. The automatic false wiring conversion system for the three-phase electric energy meter comprises an advanced RISC machine (ARM) processor, a three-phase electric energy metering module connected with the ARM processor, and a current conversion module and a voltage conversion module which are connected with the three-phase electric energy metering module and the ARM processor, wherein analog quantity multi-path conversion switches are arranged in the current conversion module and the voltage conversion module. According to the scheme, the aim of automatically correcting the false wiring can be fulfilled, and the automatic false wiring conversion system has a high application value and a high popularization value.
Description
Technical field
The present invention relates to a kind of converting system, specifically, relate to automated conversion system and its implementation of a kind of three-phase electric energy meter false wiring.
Background technology
As everyone knows, the metering of three-phase electric energy meter is the foundation that power supply department is taken over the electricity charge, very important effect is arranged in the work of electric power system, yet three-phase electric energy meter is easy to occur various wiring error in specific implementation process, then can cause mistake of statistics and then cause error in charging such as untimely correction, bring a lot of inconvenience for electric administrative department and user.
At present, whether domestic false wiring for three-phase electric energy meter also only rests on and how to identify is false wiring, and when being judged to be false wiring, manually correct, the while power department also need re-start the electricity charge and assess, show according to investigation, more or less there is false wiring in basic each power office at the three-phase electric energy meter that uses, the false wiring that some power office exist is even up to 60%, can be caused the electricity charge normally to take over if this problem can not effectively solve, can directly affect the normal operation of electric system.
Summary of the invention
The object of the present invention is to provide a kind of three-phase electric energy meter false wiring automated conversion system and its implementation, mainly solve the three-phase electric energy meter that exists in the prior art wiring error easily occurs, and be not easy to correct, can affect the problem that electric system runs well.
To achieve these goals, the technical solution used in the present invention is as follows:
Three-phase electric energy meter false wiring automated conversion system, comprise arm processor and the three-phase electric energy metering module that links to each other with arm processor, current conversion module, voltage transformation module with three-phase electric energy metering module and arm processor all link to each other are provided with the analog quantity multicircuit switch in described current conversion module and the voltage transformation module.
Further, also comprise the current transformer that links to each other with current conversion module and the resistance decompression network that links to each other with voltage transformation module.
In order not affect the electric energy metrical precision of system, described current transformer links to each other with the three-phase electric energy metering module by the first signal modulate circuit, and described resistance decompression network links to each other with the three-phase electric energy metering module by the secondary signal modulate circuit.
Specifically, the resistance series connection decompression network of described resistance decompression network for being connected with the secondary signal modulate circuit.
As preferably, described arm processor is ARM CPU.
Based on above-mentioned hardware device, we provide a kind of implementation method of three-phase electric energy meter false wiring automated conversion system, may further comprise the steps:
(1) the three-phase electric energy metering module gathers current three-phase voltage, electric current, power factor;
(2) arm processor reads the data that the three-phase electric energy metering module collects, and judges according to the work at present quadrant whether wiring is correct;
(3) if judge that to draw wiring correct, then continue operation; If judge to draw wiring error, arm processor then control simulation amount multicircuit switch switches.
Compared with prior art, the present invention has following beneficial effect:
(1) whether correct in the present invention if can correctly identify the current wiring of three-phase electric energy meter, and can be automatically when finding wiring error the wiring of mistake be transformed into correct wiring, efficiently solve the three-phase electric energy metering problems such as the high line loss of long-term puzzlement electric system, electricity charge loss, so that the installation of three-phase electric energy meter, use more conveniently, meet people's demand.
(2) the present invention is simple in structure, cost is lower, enforcement is convenient, thoroughly stopped the electric energy metrical mistake that causes because of false wiring, promote electric system to realize energy efficiency truly, have outstanding substantive distinguishing features and significant progressive, be fit to large-scale promotion application.
Description of drawings
Fig. 1 is theory diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples, and embodiments of the present invention include but not limited to the following example.
Embodiment
In order to solve the three-phase electric energy meter that exists in the prior art wiring error occuring easily, and be not easy to correct, can affect the problem that electric system runs well.As shown in Figure 1, the invention discloses a kind of three-phase electric energy meter false wiring automated conversion system, it comprises the three-phase electric energy metering module of carrying out electric current, voltage, power measurement and collection; Control and arm processor that data are processed; The voltage that receives is carried out the voltage transformation module of rough handling; The electric current that receives is carried out the current conversion module of rough handling; Be the resistance decompression network of small voltage with large voltage transitions; Be the current transformer of little electric current with large current conversion; Carry out the analog quantity multicircuit switch of circuit conversion.
Wherein, be provided with the analog quantity multicircuit switch in current conversion module and the voltage transformation module, arm processor links to each other with the three-phase electric energy metering module, current conversion module, voltage transformation module all link to each other with arm processor with the three-phase electric energy metering module, current transformer links to each other with the three-phase electric energy metering module by the first signal modulate circuit, and the resistance decompression network links to each other with the three-phase electric energy metering module by the secondary signal modulate circuit.
Specifically, the three-phase electric energy metering module among the present invention is the basic circuit of three-phase electrical energy computation chip and formation thereof, and it links to each other with the analog quantity multicircuit switch; Arm processor is ARM CPU, and as preferably, it is ARM32 position Cortex-M3 core processor; Voltage transformation module is voltage channel analog quantity shifting combination switch; Current conversion module is current channel analog quantity shifting combination switch; The resistance series connection decompression network of resistance decompression network for being connected with the secondary signal modulate circuit.
When using, the three-phase electric energy metering module gathers three-phase current, voltage, the power factor after signal conditioning circuit, modular converter etc. are processed in the electrical network, arm processor just can judge whether power network wiring is correct according to the work at present quadrant after reading these data, if judge that to draw wiring correct, then continue operation; If judge to draw wiring error, arm processor then control simulation amount multicircuit switch switches, until circuit working is in correct quadrant.
According to above-described embodiment, just can realize well the present invention.
Claims (6)
1. three-phase electric energy meter false wiring automated conversion system, comprise arm processor and the three-phase electric energy metering module that links to each other with arm processor, the current conversion module, the voltage transformation module that all link to each other with three-phase electric energy metering module and arm processor, it is characterized in that, be provided with the analog quantity multicircuit switch in described current conversion module and the voltage transformation module.
2. three-phase electric energy meter false wiring automated conversion system according to claim 1 is characterized in that, also comprises the current transformer that links to each other with current conversion module and the resistance decompression network that links to each other with voltage transformation module.
3. three-phase electric energy meter false wiring automated conversion system according to claim 2, it is characterized in that, described current transformer links to each other with the three-phase electric energy metering module by the first signal modulate circuit, and described resistance decompression network links to each other with the three-phase electric energy metering module by the secondary signal modulate circuit.
4. three-phase electric energy meter false wiring automated conversion system according to claim 3 is characterized in that, the resistance series connection decompression network of described resistance decompression network for being connected with the secondary signal modulate circuit.
5. three-phase electric energy meter false wiring automated conversion system according to claim 4 is characterized in that, described arm processor is ARM CPU.
6. the implementation method of three-phase electric energy meter false wiring automated conversion system is characterized in that, may further comprise the steps:
(1) the three-phase electric energy metering module gathers current three-phase voltage, electric current, power factor;
(2) arm processor reads the data that the three-phase electric energy metering module collects, and judges according to the work at present quadrant whether wiring is correct;
(3) if judge that to draw wiring correct, then continue operation; If judge to draw wiring error, arm processor then control simulation amount multicircuit switch switches.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210446485.8A CN102890170B (en) | 2012-11-09 | 2012-11-09 | Three-phase electric energy meter false wiring automated conversion system |
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| CN201210446485.8A CN102890170B (en) | 2012-11-09 | 2012-11-09 | Three-phase electric energy meter false wiring automated conversion system |
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| CN102890170A true CN102890170A (en) | 2013-01-23 |
| CN102890170B CN102890170B (en) | 2015-08-26 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499745A (en) * | 2013-09-26 | 2014-01-08 | 中国恩菲工程技术有限公司 | Electrode impedance measuring system of six-electrode electric furnace |
| CN104181435A (en) * | 2014-07-24 | 2014-12-03 | 苏州太谷电力股份有限公司 | Wiring error correcting method and device for three-phase four-wire energy-efficiency terminal |
| CN105911420A (en) * | 2016-05-30 | 2016-08-31 | 厦门大学嘉庚学院 | Algorithm for automatically identifying 192 three-phase three-wire electric energy meter wiring modes |
| CN107064598A (en) * | 2016-12-12 | 2017-08-18 | 国网北京市电力公司 | Electric current is changed and detection means and electric current detecting method |
| CN111650535A (en) * | 2020-05-29 | 2020-09-11 | 深圳供电局有限公司 | Electric energy meter wiring detection method |
| CN111650538A (en) * | 2020-05-29 | 2020-09-11 | 深圳供电局有限公司 | Electric energy meter wiring detection device and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499745A (en) * | 2013-09-26 | 2014-01-08 | 中国恩菲工程技术有限公司 | Electrode impedance measuring system of six-electrode electric furnace |
| CN104181435A (en) * | 2014-07-24 | 2014-12-03 | 苏州太谷电力股份有限公司 | Wiring error correcting method and device for three-phase four-wire energy-efficiency terminal |
| CN104181435B (en) * | 2014-07-24 | 2017-02-22 | 苏州太谷电力股份有限公司 | Wiring error correcting method and device for three-phase four-wire energy-efficiency terminal |
| CN105911420A (en) * | 2016-05-30 | 2016-08-31 | 厦门大学嘉庚学院 | Algorithm for automatically identifying 192 three-phase three-wire electric energy meter wiring modes |
| CN107064598A (en) * | 2016-12-12 | 2017-08-18 | 国网北京市电力公司 | Electric current is changed and detection means and electric current detecting method |
| CN111650535A (en) * | 2020-05-29 | 2020-09-11 | 深圳供电局有限公司 | Electric energy meter wiring detection method |
| CN111650538A (en) * | 2020-05-29 | 2020-09-11 | 深圳供电局有限公司 | Electric energy meter wiring detection device and method |
| CN111650535B (en) * | 2020-05-29 | 2022-07-15 | 深圳供电局有限公司 | Electric energy meter wiring detection method |
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| CN102890170B (en) | 2015-08-26 |
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