CN203630186U - Electricity-stealing prevention monitoring system based on distribution line fault indicators - Google Patents
Electricity-stealing prevention monitoring system based on distribution line fault indicators Download PDFInfo
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- CN203630186U CN203630186U CN201320685227.5U CN201320685227U CN203630186U CN 203630186 U CN203630186 U CN 203630186U CN 201320685227 U CN201320685227 U CN 201320685227U CN 203630186 U CN203630186 U CN 203630186U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 37
- 230000002265 prevention Effects 0.000 title abstract 3
- 238000005259 measurement Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 230000006399 behavior Effects 0.000 abstract description 7
- 238000004891 communication Methods 0.000 description 9
- 230000005856 abnormality Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses an electricity-stealing prevention monitoring system based on distribution line fault indicators. The system comprises a plurality of fault indicators, a distribution transformer monitoring terminal, a master station, metering equipment, and an electricity-consumption information acquisition system. The metering equipment is connected with a current signal of a line through a current transformer and then is in wireless connection with the electricity-consumption information acquisition system through a GPRS interface. The fault indicators collect line load current signals and then are in wireless connection with the wireless interface of the distribution transformer monitoring terminal through a micropower wireless interface. The distribution transformer monitoring terminal is wirelessly connected with the master station through the GPRS interface. The master station is connected with the electricity-consumption information acquisition system through a data bus. The electricity-stealing prevention monitoring system has the advantages that after the technical scheme of the utility model is employed, the electrical load can be monitored in all-weather conditions, various electricity-stealing behaviors are discovered timely, the field electricity-consumption load information is accurately recorded, and the electricity-stealing behaviors are effectively prevented and stricken.
Description
Technical field
The utility model relates to a kind of anti-electricity-theft monitoring system, particularly a kind of anti-electricity-theft monitoring system based on distribution line failure indicator.
Background technology
At Under the market economy condition, power supply enterprise is according to the provisions of the relevant regulations issued by the State, to power consumer according to power consumption number and the character of load collect the corresponding electricity charge, be the important means that ensures that electric power enterprise develops in a healthy way.Existing only a few power consumer is subject to ordering about of interests, takes various unlawful meanses, implements stealing, causes national electric energy to run off in a large number, loses surprising.
Common electricity filching means has at present: 1, change measurement meter and carry out stealing.2, shunting measurement loop is even changed measurement loop equipment and is carried out stealing.3, around more measurement meter and measurement loop carry out stealing.These anti-electricity-theft behaviors allow supervisory department be difficult to Real-Time Monitoring, hard to guard against.These electricity filching behaviors are all to juggle things on the current return of metering outfit, and the phenomenon such as normal load reduction is difficult to make a distinction, and therefore traditional anti-theft electricity technology is difficult to realize.
Utility model content
The purpose of this utility model is to provide a kind of reliable and effective anti-electricity-theft monitoring system based on distribution line failure indicator.
This anti-electricity-theft monitoring system based on distribution line failure indicator that the utility model provides, comprise some fault detectors, distribution transformer monitoring terminal, main website, metering outfit, power information acquisition system, metering outfit is passed through the current signal of current transformer line attachment, then by GPRS interface and the wireless connections of power information acquisition system; Described fault detector gathers line load current signal, then by the wave point wireless connections of micropower wave point and distribution transformer monitoring terminal, distribution transformer monitoring terminal is by GPRS interface and main website wireless connections; Described main website is connected with power information acquisition system by data bus.
Described metering outfit is arranged on high-pressure side or the low-pressure side of transformer, and the current data of its collection is by GPRS interface and the wireless connections of power information acquisition system.Described fault detector adopts the mounting means of open type, is directly installed on the line of electric force of high voltage side of transformer or low-pressure side, with the installation site homonymy of described metering outfit; Described fault detector is respectively installed one mutually at A phase, B phase and C.Described metering outfit adopts massive quantity power supply and measurement type electric energy meter or high for low meter type electric energy meter.
The beneficial effects of the utility model are, have adopted after the technical solution of the utility model, can round-the-clock monitoring power load, find in time various electricity filching behaviors, and the on-the-spot power load information of accurate recording, electricity filching behavior is effectively taken precautions against and hit.
Brief description of the drawings
Fig. 1 is a kind of embodiment principle schematic of the present utility model.
Fig. 2 is another kind of embodiment principle schematic of the present utility model.
Embodiment
The high-tension line of 10kV converts 380V to by transformer could be to customer power supply, the metering of electric weight, generally has two kinds of modes: the one, and massive quantity power supply and measurement, another kind is high for low meter, these two kinds of modes all need to install voltage, current transformer, then by voltage or current signal access metering outfit.Some unprincipled fellows, by the current return of various means impact meterings, carry out stealing, make relevant supervisory department anti-very not anti-.The utility model provides a kind of technical scheme based on fault location system for distribution lines, can effectively take precautions against this type of electricity filching behavior.
The utility model comprises some " two is distant " type fault detector (abbreviation fault detector), distribution transformer monitoring terminal (or specially becoming acquisition terminal), main website, metering outfit, power information acquisition systems with micro power radio communication function.
Metering outfit is passed through the current signal of current transformer line attachment, then by GPRS interface and the wireless connections of power information acquisition system.Fault detector gathers line load current signal, then by the wave point wireless connections of micropower wave point and distribution transformer monitoring terminal, by this load current data retransmission to distribution transformer monitoring terminal.Distribution transformer monitoring terminal receives, stores the high voltage side current data that this indicator gathers, and waits for that main website reads; Main website regularly sends acquisition with GPRS communication mode to described distribution transformer monitoring terminal, and distribution transformer monitoring terminal, by GPRS interface and main website wireless connections, is transmitted above-mentioned image data.Main website is connected with power information acquisition system by data bus.
The acquisition precision of the fault detector that the utility model adopts is high, and global error is no more than 2%; Possess micro power radio communication interface, communication distance is far away, is not less than 500 meters under spacious condition.This indicator adopts the mounting means of open type, and adopts communication, without communication connecting line, installs simple and survivable.
The integrated micropower wave point of distribution transformer monitoring terminal and GPRS interface.Distribution transformer monitoring terminal communicates by micropower wave point and fault detector, receives the line load current data that fault detector sends, and these data is saved to terminal memory, and forms the curve of this electric current and time; This terminal also regularly receives the acquisition of main website by GPRS interface, by GPRS communication mode by load current trajectory to main website.
Main website regularly gathers by the cycle of setting the high-tension line load current signal that distribution transformer monitoring terminal is preserved, and simultaneously by data bus, obtains the load current signal of corresponding metering outfit place stoichiometric point from power information acquisition system.The load current signal that main website comparison is obtained by stoichiometric point and the actual load current signal by fault detector actual acquisition, if the two difference in same time exceedes the limit value of setting, be judged to be multiplexing electric abnormality, there is the suspicion of stealing, by the relevant aufsichtsrat of the mode such as note, warning proactive notification, play monitoring power load, reach anti-electricity-theft object.
Metering outfit can adopt massive quantity power supply and measurement type electric energy meter or high for low meter type electric energy meter.
As shown in Figure 1, metering outfit adopts massive quantity power supply and measurement type electric energy meter, and fault detector is installed on transformer 10kV high-pressure side, based on the work of virtual potential principle, can under on high-tension side free voltage condition, install and normal work.In the specific implementation, the utility model is gone up each fault detector of installing mutually in each of A phase, B phase and C phase three-phase line respectively, gathers high-pressure side load current.By obtaining energy with the mutual inductor of this indicator integral structure from circuit, through overcommutation, A/D sampling processing, obtain high-pressure side load current signal.This indicator inside, is provided with micropower wireless communication module, by communication, the current data of acquisition is forwarded to distribution transformer monitoring terminal.
As shown in Figure 2, metering outfit adopts high for low meter type electric energy meter, fault detector is installed on step down side, go up mutually each fault detector of installing in each of A phase, B phase and C phase three-phase line respectively, gather low-pressure side load current, and the current data of collection is forwarded to distribution transformer monitoring terminal.
Distribution transformer monitoring terminal, is arranged on step down side, wireless by micropower, the current data that receiver-indicator gathers; And configure mass storage, preserve this load current signal data; This terminal also receives the copy reading order of main website, and the load current data upload that storer is preserved is to main website.
Main website is installed on Utilities Electric Co.'s machine room, and access Utilities Electric Co. network, can carry out data interaction with power information acquisition system by data bus.Main website gathers the data of two aspects: the one, regularly gather by GPRS the load current signal data that is stored in distribution transformer monitoring terminal, and the 2nd, by data bus, obtain the metering load current signal data of the stoichiometric point in the identical period.
Because metering outfit of the present utility model can adopt massive quantity power supply and measurement type electric energy meter, also can adopt the high low meter type electric energy meter that supplies, therefore above-mentioned metering load current signal data is slightly different.
For same stoichiometric point, if metering outfit corresponding to this fault detector collection point is massive quantity power supply and measurement type electric energy meter, be arranged on the high-pressure side of transformer, it is through current transformer access current signal, gather on high-tension side metering load current signal, by GPRS interface and the wireless connections of power information acquisition system, uploading data is also preserved again.
For same stoichiometric point, if metering outfit corresponding to this fault detector collection point is high for low meter type electric energy meter, be arranged on the low-pressure side of transformer, gather the current signal of this low-pressure side, then by GPRS interface and the wireless connections of power information acquisition system.
Main website is relatively with period high-pressure side load current signal and metering load current signal, if exceed the threshold value of setting
δ, there is the suspicion of stealing, be judged to be multiplexing electric abnormality.
Threshold value
δspan be 5% ~ 80%, be generally made as 10%.
Claims (4)
1. the anti-electricity-theft monitoring system based on distribution line failure indicator, it is characterized in that, this electricity anti-theft system comprises some fault detectors, distribution transformer monitoring terminal, main website, metering outfit, power information acquisition system, metering outfit is passed through the current signal of current transformer line attachment, then by GPRS interface and the wireless connections of power information acquisition system; Described fault detector gathers line load current signal, then by the wave point wireless connections of micropower wave point and distribution transformer monitoring terminal, distribution transformer monitoring terminal is by GPRS interface and main website wireless connections; Described main website is connected with power information acquisition system by data bus.
2. the anti-electricity-theft monitoring system based on distribution line failure indicator according to claim 1, it is characterized in that, described metering outfit is arranged on high-pressure side or the low-pressure side of transformer, and the current data of its collection is by GPRS interface and the wireless connections of power information acquisition system.
3. the anti-electricity-theft monitoring system based on distribution line failure indicator according to claim 1, it is characterized in that, described fault detector adopts the mounting means of open type, is directly installed on the line of electric force of high voltage side of transformer or low-pressure side, with the installation site homonymy of described metering outfit; Described fault detector is respectively installed one mutually at A phase, B phase and C.
4. the anti-electricity-theft monitoring system based on distribution line failure indicator according to claim 1, is characterized in that, described metering outfit adopts massive quantity power supply and measurement type electric energy meter or high for low meter type electric energy meter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320685227.5U CN203630186U (en) | 2013-11-04 | 2013-11-04 | Electricity-stealing prevention monitoring system based on distribution line fault indicators |
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| CN201320685227.5U CN203630186U (en) | 2013-11-04 | 2013-11-04 | Electricity-stealing prevention monitoring system based on distribution line fault indicators |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105631201A (en) * | 2015-12-25 | 2016-06-01 | 长沙威胜信息技术有限公司 | Load curve based electricity stealing determination method |
| CN105699762A (en) * | 2016-03-04 | 2016-06-22 | 贵州电网有限责任公司电力科学研究院 | High voltage power line electricity-stealing prevention device and electricity-stealing prevention method |
| CN106612014A (en) * | 2016-12-29 | 2017-05-03 | 国网浙江余姚市供电公司 | Distribution network anti-electric-larceny monitoring device and distribution network anti-electric-larceny monitoring system |
| CN107121578A (en) * | 2017-04-21 | 2017-09-01 | 广西电网有限责任公司防城港供电局 | A kind of low-voltage remote electricity anti-theft system |
| CN107561324A (en) * | 2017-08-25 | 2018-01-09 | 国网山东省电力公司淄博供电公司 | Electricity anti-stealing system and its application method |
| CN109298222A (en) * | 2018-11-21 | 2019-02-01 | 许昌市长江高压计量设备有限公司 | A kind of intelligence controls electricity anti-theft system more |
| CN112505613A (en) * | 2020-10-29 | 2021-03-16 | 国网山东省电力公司济宁供电公司 | High-power-supply high-metering full-voltage-loss metering fault loss electric quantity estimation method and system |
| CN113645517A (en) * | 2021-01-26 | 2021-11-12 | 青岛鼎信通讯股份有限公司 | Power line multi-frequency concurrent communication system |
-
2013
- 2013-11-04 CN CN201320685227.5U patent/CN203630186U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105631201A (en) * | 2015-12-25 | 2016-06-01 | 长沙威胜信息技术有限公司 | Load curve based electricity stealing determination method |
| CN105699762A (en) * | 2016-03-04 | 2016-06-22 | 贵州电网有限责任公司电力科学研究院 | High voltage power line electricity-stealing prevention device and electricity-stealing prevention method |
| CN106612014A (en) * | 2016-12-29 | 2017-05-03 | 国网浙江余姚市供电公司 | Distribution network anti-electric-larceny monitoring device and distribution network anti-electric-larceny monitoring system |
| CN107121578A (en) * | 2017-04-21 | 2017-09-01 | 广西电网有限责任公司防城港供电局 | A kind of low-voltage remote electricity anti-theft system |
| CN107561324A (en) * | 2017-08-25 | 2018-01-09 | 国网山东省电力公司淄博供电公司 | Electricity anti-stealing system and its application method |
| CN109298222A (en) * | 2018-11-21 | 2019-02-01 | 许昌市长江高压计量设备有限公司 | A kind of intelligence controls electricity anti-theft system more |
| CN112505613A (en) * | 2020-10-29 | 2021-03-16 | 国网山东省电力公司济宁供电公司 | High-power-supply high-metering full-voltage-loss metering fault loss electric quantity estimation method and system |
| CN112505613B (en) * | 2020-10-29 | 2023-01-20 | 国网山东省电力公司济宁供电公司 | Method and system for estimating fault loss electric quantity of high-voltage supply and high-voltage metering full-voltage loss metering |
| CN113645517A (en) * | 2021-01-26 | 2021-11-12 | 青岛鼎信通讯股份有限公司 | Power line multi-frequency concurrent communication system |
| CN113645517B (en) * | 2021-01-26 | 2024-03-19 | 青岛鼎信通讯股份有限公司 | Power line multi-frequency concurrent communication system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee after: WILLFAR INFORMATION TECHNOLOGY Co.,Ltd. Address before: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee before: HUNAN WEISHENG INFORMATION TECHNOLOGY CO.,LTD. Address after: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee after: HUNAN WEISHENG INFORMATION TECHNOLOGY CO.,LTD. Address before: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee before: CHANGSHA WASION INFORMATION TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |
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| CX01 | Expiry of patent term |