CN201974461U - Electricity stealing prevention system - Google Patents
Electricity stealing prevention system Download PDFInfo
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- CN201974461U CN201974461U CN2011200677150U CN201120067715U CN201974461U CN 201974461 U CN201974461 U CN 201974461U CN 2011200677150 U CN2011200677150 U CN 2011200677150U CN 201120067715 U CN201120067715 U CN 201120067715U CN 201974461 U CN201974461 U CN 201974461U
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Abstract
The utility model discloses an electricity stealing prevention system, which includes a data collector, a data receiver, an electricity use management terminal and an electricity stealing assayer system; the data collector is connected on a power line on a primary side of a user dedicated transformer in a muff-coupling or serial manner, and can collect, process and store the primary side three-phase current data; the data receiver is connected with the data collector and the electricity use management terminal respectively, and can receive the three-phase current data in the data collector and transmit to the electricity use management terminal; and the electricity use management terminal is connected with the electricity stealing assayer system and a meter mounted on the secondary side of the user dedicated transformer respectively. The electricity stealing prevention system disclosed by the utility model avoids manual operation, and can save manpower and material resources, avoid the blindness in inspection work and improve the efficiency of inspection work; and the electricity stealing prevention system collects the electricity use data on the primary side and the secondary side of the user dedicated transformer at the same time for electricity use check, so as to detect the measuring loop electricity stealing and the electricity stealing behaviors through evading measuring meters and the measuring loops.
Description
Technical field
The utility model belongs to the power measurement technical field, relates in particular to a kind of electricity anti-theft system.
Background technology
Social stability is being undertaken by power supply enterprise, the important mission of economic development.Under condition of market economy, power supply enterprise is according to the provisions of the relevant regulations issued by the State, and power consumer is collected corresponding cost according to the character of what and load of power consumption, is the important means that guarantees that electric power enterprise develops in a healthy way.But the minority power consumer is subjected to ordering about of interests, takes various unlawful meanses to implement stealing, causes national electric energy to run off in a large number, loses surprising.Electricity filching behavior is effectively taken precautions against and hit, to building social equity, the important meaning of building a Harmonious Society.
Present anti-theft electricity technology mainly contains following several:
1) way of employing casual inspection
The inspector irregularly carries out power utility check to each power consumer, can find the disguised electricity filching behavior of power consumer direct-insert.
2) adopt the way of generally investigating
The carrying out of generaI investigation generally has following several way: the one, generally investigate by user's load nature of electricity consumed; The 2nd, generally investigate by the user power utilization capacity; The 3rd, generally investigate by user's enterprise nature (state-run, collective, individuality).GeneraI investigation is to find measuring apparatus problem, internal control problem and the best approach that transformation is known the real situation to measuring apparatus.
3) inspection method of situ metrology device
Check whether the running of electricity consumption measuring apparatus is normal, can not only judge whether problem, must comprehensively diagnose, otherwise easily attend to one thing and lose sight of another according to individual check.In general, must check for several below: lead sealing; The electric energy meter outward appearance; Secondary line; CT; Installation environment; Management quality.
The way of particular exam should be followed following order: at a glance, whether lead sealing is intact; Whether whether the screw junction is loosening, pad foreign matter whether, corrosion; Whether secondary line has joint; Whether electric energy meter and CT shell be damaged; Whether installation environment helps is conveniently checked meter, thief-proof and electric energy meter normal operation; Whether measuring apparatus is sealed up locks; Understand on-the-spot electricity consumption situation etc. by observing.Two tins, whether the electric energy meter running has friction sound; Whether the motion and sound of contactor etc. is arranged during switch in the drawing table.Three survey, and whether survey each current return with pincers type reometer has electric current, and magnitude of current size is estimated load and judged whether secondary line opens circuit with this; Survey the electric energy meter exploitation speed with stopwatch, calculate the gauge outfit instantaneous power, the load with estimation on the basis of having considered the load power factor factor compares, and judges with this whether electric energy meter body, wiring or metering multiplying power be normal; Whether have voltage, whether voltage value is normal etc. with voltage table if surveying each voltage circuit.
4) way that adopts the electricity consumption marketing system to analyze
The electricity consumption marketing system has reflected the basic condition of user power utilization, and the inspector can often consult, and grasps user's basic electricity situation, and directly finds some problems on the electricity consumption marketing system.By investigation, screen some emphasis users, carry out on-the-spot emphasis inspection.
In first three methods, need lot of manpower and material resources, inspection work has blindness, and poor efficiency; Surprise check, it is lasting to be difficult to.The way that adopts the electricity consumption marketing system to analyze, can use manpower and material resources sparingly, avoid the blindness of the work of checking, improve the efficient of inspection work, but, because as the electricity management terminal in electricity consumption marketing system general data source, can only monitor the electric current and the voltage of secondary side aspect anti-electricity-theft, so powerless to taking precautions against the measurement loop stealing and carrying out the behavior of stealing around gauging table and measurement loop more.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of electricity anti-theft system, can use manpower and material resources sparingly, avoid the blindness of the work of checking, the efficient of raising inspection work, and can take precautions against to the measurement loop stealing and around the electricity filching behavior of getting over gauging table and measurement loop.
For achieving the above object, the utility model provides following technical scheme:
A kind of electricity anti-theft system comprises: data acquisition unit, data sink, electricity management terminal and stealing expert system; Data acquisition unit socket or be serially connected with user's dedicated transformer primary side line of electric force, the three-phase current data that can gather, handle and store primary side; Described data sink is connected with electricity management terminal with described data acquisition unit respectively, can receive the three-phase current data in the described data acquisition unit and transfer to described electricity management terminal; Described electricity management terminal is connected with described stealing expert system and the ammeter that is installed on user's dedicated transformer secondary side respectively.
Preferably, in above-mentioned electricity anti-theft system, further comprise: the alarm unit that is connected with described stealing expert system.
Preferably, in above-mentioned electricity anti-theft system, described data acquisition unit is the data acquisition device, comprising: current transformer, wide stream constant voltage circuit, sample circuit, analog to digital converter, microprocessor one, storer and wireless data transmission interface; Described current transformer is arranged at described primary side line of electric force; Described wide stream constant voltage circuit is connected with described current transformer, sample circuit, analog to digital converter, microprocessor one respectively; Described sample circuit is connected with described current transformer; Described analog to digital converter is connected with microprocessor one with described sample circuit respectively; Described microprocessor one is connected with the wireless data transmission interface with described storer respectively.
Preferably, in above-mentioned electricity anti-theft system, the parts in the described data acquisition device are by epoxy encapsulation.
Preferably, in above-mentioned electricity anti-theft system, described data sink is the wireless data receiver, comprising: microprocessor two; Wireless data transmission interface, storer and the data-interface that is connected with described microprocessor two respectively.
Preferably, in above-mentioned electricity anti-theft system, described data-interface is RS485 interface, RS232 interface or transistor-transistor logic (TTL) interface.
This shows, the disclosed electricity anti-theft system of the utility model, need not manually-operated, saved manpower and materials, avoided inspection work blindness, improved the efficient of inspection work, and the electricity consumption data that electricity anti-theft system is gathered user's dedicated transformer primary side and secondary side simultaneously carry out power utility check, can detect to the measurement loop stealing and around the electricity filching behavior of gauging table and measurement loop more.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the disclosed a kind of electricity anti-theft system of the utility model;
Fig. 2 is the structural representation of the disclosed a kind of data acquisition device of the utility model;
Fig. 3 is the structural representation of the disclosed a kind of wireless data receiver of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of electricity anti-theft system, can use manpower and material resources sparingly, avoid the blindness of the work of checking, the efficient of raising inspection work, and can take precautions against to the measurement loop stealing and around the electricity filching behavior of getting over gauging table and measurement loop.
Referring to Fig. 1, Fig. 1 is the structural representation of the disclosed a kind of electricity anti-theft system of the utility model.
This electricity anti-theft system comprises: data acquisition unit 1, data sink 2, electricity management terminal 3 and stealing expert system 4.
Wherein, data acquisition unit 1 socket or be serially connected with user's dedicated transformer primary side line of electric force, the three-phase current data that can gather, handle and store user's dedicated transformer primary side.In force, data acquisition unit 1 is set respectively on three-phase power line, realizes collection the current data of each phase line of electric force.
Data sink 2 is connected with electricity management terminal 3 with data acquisition unit 1 respectively.Data sink 2 can receive the three-phase current data of user's dedicated transformer primary side that data acquisition unit 1 collects, and transfers to electricity management terminal 3.
Electricity management terminal 3 also is connected with the ammeter 5 that is installed on user's dedicated transformer secondary side except that with data sink 2 is connected.Electricity management terminal 3 communicates with data sink 2, copies and accepts the three-phase current data of user's dedicated transformer primary side that data sink 2 receives, simultaneously the data of electricity management terminal 3 copy reading ammeters 5.
Stealing expert system 4 is connected with electricity management terminal 3, can judge whether to take place multiplexing electric abnormality according to user's dedicated transformer primary side three-phase current data of storage in the electricity management terminal 3 and the data in the ammeter 5.Detailed process is: at first, read data user's dedicated transformer primary side three-phase current data and the ammeter 5 from electricity management terminal 3; Secondly, utilize the three-phase current data computation of user's dedicated transformer primary side to go out user's primary side average power S1 within a certain period of time, utilize the data computation of ammeter 5 to go out the average power S2 of secondary side in the corresponding time; Afterwards, judge the electricity consumption situation by the size that compares average power S1 and average power S2, consider the reasons such as difference of equipment loss and table meter and data acquisition unit precision, in view of the above preset difference value, when average power S2 and preset difference value sum during, judge multiplexing electric abnormality takes place still less than average power S1.
In force, the alarm unit (not shown) that is connected with stealing expert system 4 can be set further, when multiplexing electric abnormality took place, this alarm unit gave a warning.Concrete warning mode can for: warning message is sent to specific portable terminal with way of short messages, perhaps directly sends voice warning or light prompt.
The disclosed electricity anti-theft system of the utility model, need not manually-operated, saved manpower and materials, avoided inspection work blindness, improved the efficient of inspection work, and the electricity consumption data that electricity anti-theft system is gathered user's dedicated transformer primary side and secondary side simultaneously carry out power utility check, can detect to the measurement loop stealing and around the electricity filching behavior of gauging table and measurement loop more.
In force, data acquisition unit 1 can adopt the cable data collector, also can adopt the data acquisition device.Structure to the data acquisition device describes below.
Referring to Fig. 2, Fig. 2 is the structural representation of the disclosed a kind of data acquisition device of the utility model.
This data acquisition device comprises: current transformer 11, wide stream constant voltage circuit 12, sample circuit 13, analog to digital converter 14, microprocessor 1, storer 16 and wireless data transmission interface 17.
Wherein, current transformer 11 is arranged at primary side line of electric force place, is connected with sample circuit 13 with wide stream constant voltage circuit 12 respectively, and the primary side current current transformer 11 of flowing through obtains the two paths of signals electric current.Wherein, one road marking current converts DC voltage to through wide stream constant voltage circuit 12, and wide stream constant voltage circuit 1 is connected with sample circuit 13, analog to digital converter 14 and microprocessor 1 simultaneously, and is its power supply.Another road marking current carries out current sample through sample circuit 13, carry out analog to digital conversion by analog to digital converter 14 afterwards and obtain digital signal, this sends digital signal into microprocessor 1, after calculating, handle by one 15 pairs of these digital signals of microprocessor, deliver to storer 16 and store, can transfer to data sink by wireless data transmission interface 17 simultaneously.
The technical indicator of data acquisition device comprises: 1) current acquisition scope: 6%～100% of primary side current Ip; 2) line voltage distribution grade: 0.40 kilovolt～35 kilovolts; 3) current acquisition precision: 3 grades; 4) wireless transmission distance: 50 meters (sighting distance); 5) maximum power dissipation :≤2.5 volt-amperes; 6) output frequency: 902.0MHz～928.0MHz; 7) emissive power: 10dBm, modulation system: Gaussian Frequency Shift Keying (Gauss frequency Shift Keying, GFSK); 8) operating ambient temperature :-35 ℃～+ 65 ℃; 9) working environment relative humidity :≤98%.
In above-mentioned disclosed data acquisition device, the power supply supply converts by the magnetic field that the electric current that flows through line of electric force produces, no external power supply, and no secondary output, hermetically sealed, contactless, the user is difficult to destroy.
In addition, the parts in the data acquisition device can be encapsulated by epoxy sealing technology, can guarantee that the wireless data receiver adapts in the open fully, the environment of high temperature, low temperature or high humidity, prolong the serviceable life of data acquisition device.
In force, data sink 2 can adopt the cable data receiver, also can adopt the wireless data receiver.When adopting the data acquisition device in the electricity anti-theft system, data sink will adopt the wireless data receiver accordingly.Structure to the wireless data receiver describes below.
Referring to Fig. 3, Fig. 3 is the structural representation of the disclosed a kind of wireless data receiver of the utility model.
This wireless data receiver, comprise: microprocessor 2 21, wireless data transmission interface 22, storer 23 and data-interface 24, be used for the three-phase current data of user's dedicated transformer primary side of receiving radio data collector collection, and pass through data-interface 24 data transmission is arrived electricity management terminal.
Wherein, wireless data transmission interface 22, storer 23 and data-interface 24 are connected with microprocessor 2 21 respectively.The wireless simulation signal that wireless data transmission interface 22 receiving radio data collectors send, through being the primary side current data with analog signal conversion after the demodulation, this current data is stored in the storer 23 after microprocessor 2 21 calculates, handles.The wireless data receiver can respond the request of survey of calling together of electricity management terminal at any time, will give electricity management terminal on the data by data-interface 24.
The technical indicator of wireless data receiver comprises: 1) complete machine power attenuation :≤1W; 2) supply voltage: AC220/110/+12V, depart from ± 20%; 3) wireless transmission distance: 50 meters (sighting distance); 4) output frequency: 902.0MHz～928.0MHz; 5) emissive power: 10dBm, modulation system: GFSK; 6) operating ambient temperature :-35 ℃～+ 65 ℃; 7) working environment relative humidity :≤98%.
In force, data-interface 24 can be RS485 interface, RS232 interface or TTL interface.
The wireless data receiver can be built in the electricity management terminal, also can install separately.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. an electricity anti-theft system is characterized in that, comprising: data acquisition unit, data sink, electricity management terminal and stealing expert system;
Described data acquisition unit socket or be serially connected with user's dedicated transformer primary side line of electric force, the three-phase current data that can gather, handle and store primary side;
Described data sink is connected with electricity management terminal with described data acquisition unit respectively, can receive the three-phase current data in the described data acquisition unit and transfer to described electricity management terminal;
Described electricity management terminal is connected with described stealing expert system and the ammeter that is installed on user's dedicated transformer secondary side respectively.
2. electricity anti-theft system according to claim 1 is characterized in that, further comprises: the alarm unit that is connected with described stealing expert system.
3. electricity anti-theft system according to claim 1, it is characterized in that, described data acquisition unit is the data acquisition device, comprising: current transformer, wide stream constant voltage circuit, sample circuit, analog to digital converter, microprocessor one, storer and wireless data transmission interface;
Described current transformer is arranged at described primary side line of electric force;
Described wide stream constant voltage circuit is connected with described current transformer, sample circuit, analog to digital converter, microprocessor one respectively;
Described sample circuit is connected with described current transformer;
Described analog to digital converter is connected with microprocessor one with described sample circuit respectively;
Described microprocessor one is connected with the wireless data transmission interface with described storer respectively.
4. electricity anti-theft system according to claim 3 is characterized in that, the parts in the described data acquisition device are by epoxy encapsulation.
5. electricity anti-theft system according to claim 3 is characterized in that, described data sink is the wireless data receiver, comprising:
Microprocessor two;
Wireless data transmission interface, storer and the data-interface that is connected with described microprocessor two respectively.
6. electricity anti-theft system according to claim 5 is characterized in that, described data-interface is RS485 interface, RS232 interface or TTL transistor-transistor logic interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200677150U CN201974461U (en) | 2011-03-15 | 2011-03-15 | Electricity stealing prevention system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200677150U CN201974461U (en) | 2011-03-15 | 2011-03-15 | Electricity stealing prevention system |
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| CN201974461U true CN201974461U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200677150U Expired - Fee Related CN201974461U (en) | 2011-03-15 | 2011-03-15 | Electricity stealing prevention system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445577A (en) * | 2011-10-17 | 2012-05-09 | 华平信息技术股份有限公司 | Electricity stealing prevention system |
| CN102520266A (en) * | 2011-10-17 | 2012-06-27 | 华平信息技术股份有限公司 | Electricity-stealing prevention method of distribution transformer and system thereof |
| CN102967735A (en) * | 2012-12-04 | 2013-03-13 | 辽宁省电力有限公司抚顺供电公司 | Electricity stealing preventing exception analysis system |
| CN103217560A (en) * | 2013-03-23 | 2013-07-24 | 国家电网公司 | Anti-stealing-electricity analysis meter |
| CN103293354A (en) * | 2013-05-31 | 2013-09-11 | 国家电网公司 | Electricity larceny prevention system |
| CN103439550A (en) * | 2013-08-19 | 2013-12-11 | 国家电网公司 | Electricity stealing prevention device capable of being mounted in electrified mode and mounting method thereof |
| CN103616562A (en) * | 2013-11-26 | 2014-03-05 | 航天科工深圳（集团）有限公司 | Ring main unit electricity larceny prevention system and method |
| TWI508016B (en) * | 2014-02-27 | 2015-11-11 | Univ Nat Sun Yat Sen | Method for electricity theft identification |
| CN105572623A (en) * | 2015-12-14 | 2016-05-11 | 国家电网公司 | Remote electricity stealing inspection device |
| CN110045195A (en) * | 2018-01-15 | 2019-07-23 | 国网江苏省电力公司常州供电公司 | Fan Di bar steel manufacturing enterprise stealing electricity method |
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2011
- 2011-03-15 CN CN2011200677150U patent/CN201974461U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520266B (en) * | 2011-10-17 | 2014-04-09 | 华平信息技术股份有限公司 | Electricity-stealing prevention method of distribution transformer and system thereof |
| CN102520266A (en) * | 2011-10-17 | 2012-06-27 | 华平信息技术股份有限公司 | Electricity-stealing prevention method of distribution transformer and system thereof |
| CN102445577A (en) * | 2011-10-17 | 2012-05-09 | 华平信息技术股份有限公司 | Electricity stealing prevention system |
| CN102967735A (en) * | 2012-12-04 | 2013-03-13 | 辽宁省电力有限公司抚顺供电公司 | Electricity stealing preventing exception analysis system |
| CN103217560A (en) * | 2013-03-23 | 2013-07-24 | 国家电网公司 | Anti-stealing-electricity analysis meter |
| CN103293354A (en) * | 2013-05-31 | 2013-09-11 | 国家电网公司 | Electricity larceny prevention system |
| CN103293354B (en) * | 2013-05-31 | 2015-10-28 | 国家电网公司 | A kind of electricity anti-theft system |
| CN103439550B (en) * | 2013-08-19 | 2015-11-11 | 国家电网公司 | Can the device against charge evasion of charged installation and installation method |
| CN103439550A (en) * | 2013-08-19 | 2013-12-11 | 国家电网公司 | Electricity stealing prevention device capable of being mounted in electrified mode and mounting method thereof |
| CN103616562A (en) * | 2013-11-26 | 2014-03-05 | 航天科工深圳（集团）有限公司 | Ring main unit electricity larceny prevention system and method |
| TWI508016B (en) * | 2014-02-27 | 2015-11-11 | Univ Nat Sun Yat Sen | Method for electricity theft identification |
| CN105572623A (en) * | 2015-12-14 | 2016-05-11 | 国家电网公司 | Remote electricity stealing inspection device |
| CN110045195A (en) * | 2018-01-15 | 2019-07-23 | 国网江苏省电力公司常州供电公司 | Fan Di bar steel manufacturing enterprise stealing electricity method |
| CN110045195B (en) * | 2018-01-15 | 2021-02-23 | 国网江苏省电力公司常州供电公司 | Electricity stealing method for anti-ground bar steel production enterprises |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121217 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: ELECTRIC SCIENCE RESEARCH INSTITUTE OF CHONGQING E Free format text: FORMER NAME: CHONGQING ELECTRIC POWER RESEARCH INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 401123 No. 80, Mount Huangshan Avenue, Yubei District, Chongqing Patentee after: CHONGQING ELECTRIC POWER Research Institute Address before: 401123 No. 80, Mount Huangshan Avenue, Yubei District, Chongqing Patentee before: Chongqing Electric Power Research Institute |
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| TR01 | Transfer of patent right |
Effective date of registration: 20121217 Address after: 401123 No. 80, Mount Huangshan Avenue, Yubei District, Chongqing Patentee after: CHONGQING ELECTRIC POWER Research Institute Patentee after: State Grid Corporation of China Address before: 401123 No. 80, Mount Huangshan Avenue, Yubei District, Chongqing Patentee before: CHONGQING ELECTRIC POWER Research Institute |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20190315 |