CN102890170B - Three-phase electric energy meter false wiring automated conversion system - Google Patents
Three-phase electric energy meter false wiring automated conversion system Download PDFInfo
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- CN102890170B CN102890170B CN201210446485.8A CN201210446485A CN102890170B CN 102890170 B CN102890170 B CN 102890170B CN 201210446485 A CN201210446485 A CN 201210446485A CN 102890170 B CN102890170 B CN 102890170B
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Abstract
The invention discloses a kind of three-phase electric energy meter false wiring automated conversion system and its implementation, mainly solve the three-phase electric energy meter existed in prior art and easily wiring error occurs, and be not easy to correct, the problem that electric system runs well can be affected.This three-phase electric energy meter false wiring automated conversion system, the three-phase electric energy metering module comprising arm processor and be connected with arm processor, the current conversion module be all connected with three-phase electric energy metering module and arm processor, voltage transformation module, be provided with analog quantity multicircuit switch in described current conversion module and voltage transformation module.By such scheme, invention achieves the object automatically can correcting wiring error, there is very high practical value and promotional 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 takes over the electricity charge, very important effect is had in the work of electric power system, but three-phase electric energy meter is easy to occur various wiring error in specific implementation process, as corrected not in time, mistake of statistics can be caused and then cause error in charging, bringing a lot of inconvenience to electric administrative department and user.
At present, the domestic false wiring for three-phase electric energy meter also only rests on and how to identify whether as false wiring, and manually correct when being judged to be false wiring, simultaneously power department also needs to re-start the electricity charge and assesses, according to investigation display, more or less there is false wiring in the three-phase electric energy meter that substantially each power office is using, the false wiring that some power office exist is even up to 60%, the electricity charge can be caused normally to take over if this problem can not obtain effective solution, directly can 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 existed in prior art and easily wiring error occurs, and be not easy to correct, the problem that electric system runs well can be affected.
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, the three-phase electric energy metering module comprising arm processor and be connected with arm processor, the current conversion module be all connected with three-phase electric energy metering module and arm processor, voltage transformation module, be provided with analog quantity multicircuit switch in described current conversion module and voltage transformation module.
Further, the resistance decompression network also comprising the current transformer be connected with current conversion module and be connected with voltage transformation module.
In order to the electric energy metrical precision of not influential system, described current transformer is connected with three-phase electric energy metering module by the first signal conditioning circuit, and described resistance decompression network passes through secondary signal modulate circuit and is connected with three-phase electric energy metering module.
Specifically, described resistance decompression network is the resistant series decompression network be connected with 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, comprise the following steps:
(1) three-phase electric energy metering module acquires is current three-phase voltage, electric current, power factor;
(2) arm processor reads the data that three-phase electric energy metering module acquires arrives, and judges that whether wiring is correct according to work at present quadrant;
(3) show that wiring is correct if judge, then continue to run; Draw wiring error if judge, arm processor then control simulation amount multicircuit switch switches.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention correctly can identify that whether the current wiring of three-phase electric energy meter is correct, and automatically the wiring of mistake can be transformed into correct wiring when finding wiring error, efficiently solve the three-phase electric energy metering problems such as long-standing problem electric system high line loss, electricity charge loss, make the installation of three-phase electric energy meter, use more convenient, meet people's demand.
(2) structure of the present invention is simple, cost is lower, enforcement is convenient, thoroughly stop the electric energy metrical mistake because false wiring causes, promote that electric system realizes energy efficiency truly, there is outstanding substantive distinguishing features and significant progress, be applicable to large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
Easily there is wiring error to solve the three-phase electric energy meter existed in prior art, and be not easy to correct, the problem that electric system runs well can be affected.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; Carry out controlling and the arm processor of data processing; The voltage received is carried out to the voltage transformation module of rough handling; The electric current received is carried out to the current conversion module of rough handling; It is the resistance decompression network of small voltage by large voltage transitions; Big current is converted to the current transformer of small area analysis; Carry out the analog quantity multicircuit switch of circuit conversion.
Wherein, analog quantity multicircuit switch is provided with in current conversion module and voltage transformation module, arm processor is connected with three-phase electric energy metering module, current conversion module, voltage transformation module are all connected with arm processor with three-phase electric energy metering module, current transformer is connected with three-phase electric energy metering module by the first signal conditioning circuit, and resistance decompression network is connected with three-phase electric energy metering module by secondary signal modulate circuit.
Specifically, the three-phase electric energy metering module in the present invention is the basic circuit of three-phase electrical energy computation chip and formation thereof, and it is connected with analog quantity multicircuit switch; Arm processor is ARM CPU, and as preferably, it is ARM32 position Cortex
tM-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; Resistance decompression network is the resistant series decompression network be connected with secondary signal modulate circuit.
When applying, three-phase current, voltage, power factor in three-phase electric energy metering module acquires electrical network after the process such as signal conditioning circuit, modular converter, according to work at present quadrant, arm processor just can judge that whether power network wiring is correct after reading these data, show that wiring is correct if judge, then continue to run; Draw wiring error if judge, arm processor then control simulation amount multicircuit switch switches, until circuit working is in correct quadrant.
According to above-described embodiment, just the present invention can be realized well.
Claims (5)
1. three-phase electric energy meter false wiring automated conversion system, the three-phase electric energy metering module comprising arm processor and be connected with arm processor, the current conversion module be all connected with three-phase electric energy metering module and arm processor, voltage transformation module, it is characterized in that, in described current conversion module and voltage transformation module, be provided with analog quantity multicircuit switch;
The implementation method of three-phase electric energy meter false wiring automated conversion system, comprises the following steps:
(1) three-phase electric energy metering module acquires is current three-phase voltage, electric current, power factor;
(2) arm processor reads the data that three-phase electric energy metering module acquires arrives, and judges that whether wiring is correct according to work at present quadrant;
(3) show that wiring is correct if judge, then continue to run; Draw wiring error if judge, arm processor then control simulation amount multicircuit switch switches.
2. three-phase electric energy meter false wiring automated conversion system according to claim 1, is characterized in that, also comprises the current transformer be connected with current conversion module and the resistance decompression network be connected 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 is connected with three-phase electric energy metering module by the first signal conditioning circuit, and described resistance decompression network is connected with three-phase electric energy metering module by secondary signal modulate circuit.
4. three-phase electric energy meter false wiring automated conversion system according to claim 3, is characterized in that, described resistance decompression network is the resistant series decompression network be connected with 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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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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| 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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| Publication Number | Publication Date |
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| CN102890170A CN102890170A (en) | 2013-01-23 |
| CN102890170B true CN102890170B (en) | 2015-08-26 |
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| CN201210446485.8A Expired - Fee Related CN102890170B (en) | 2012-11-09 | 2012-11-09 | Three-phase electric energy meter false wiring automated conversion system |
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Families Citing this family (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 |
| 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 |
| CN105911420B (en) * | 2016-05-30 | 2018-09-18 | 厦门大学嘉庚学院 | The method of 192 kinds of three-phase three-wire electric energy meter modes of connection of automatic discrimination |
| CN107064598B (en) * | 2016-12-12 | 2019-08-09 | 国网北京市电力公司 | Electric current conversion and detection device and electric current detecting method |
| CN111650535B (en) * | 2020-05-29 | 2022-07-15 | 深圳供电局有限公司 | Electric energy meter wiring detection method |
| CN111650538B (en) * | 2020-05-29 | 2022-07-26 | 深圳供电局有限公司 | Electric energy meter wiring detection device and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201262644Y (en) * | 2008-09-29 | 2009-06-24 | 山西省电力公司晋城供电分公司 | Synthesis device for examining watthour meter wire splice and calculating balance electricity quantity |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2704051Y (en) * | 2002-04-23 | 2005-06-08 | 江苏林洋电子有限公司 | Three-phase multifunctional electric energy meter counting device |
| CN201043982Y (en) * | 2007-06-11 | 2008-04-02 | 四川启明星蜀达电气有限公司 | Three-phase three-wire, three-phase four-wire compatibility electric energy meter |
| KR101008451B1 (en) * | 2008-10-31 | 2011-01-14 | 한국전력공사 | electric power meter having function for sensing mis-wiring and control method thereof |
| CN102692556B (en) * | 2011-03-25 | 2015-12-16 | 深圳市锐能微科技有限公司 | A kind of three-phase electricity amount computing method and device |
| CN102253359A (en) * | 2011-04-28 | 2011-11-23 | 深圳市锐能微科技有限公司 | Method and system for correcting false wiring of three-phase four-wire watt-hour meter and watt-hour meter |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201262644Y (en) * | 2008-09-29 | 2009-06-24 | 山西省电力公司晋城供电分公司 | Synthesis device for examining watthour meter wire splice and calculating balance electricity quantity |
Non-Patent Citations (1)
| Title |
|---|
| 电能表错误接线测试的方法;羽祖荫;《广东电力》;20101031;第23卷(第10期);第106-108页 * |
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