CN201956930U - Novel electric system capable of preventing electricity from being stolen based on GFSK wireless data communication technology - Google Patents
Novel electric system capable of preventing electricity from being stolen based on GFSK wireless data communication technology Download PDFInfo
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- CN201956930U CN201956930U CN2010206420776U CN201020642077U CN201956930U CN 201956930 U CN201956930 U CN 201956930U CN 2010206420776 U CN2010206420776 U CN 2010206420776U CN 201020642077 U CN201020642077 U CN 201020642077U CN 201956930 U CN201956930 U CN 201956930U
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Abstract
The utility model relates to a novel electric system capable of preventing electricity from being stolen based on a GFSK wireless data communication technology, which can fast and accurately find an electricity stealer and alarms immediately, and simultaneously stores a primary and secondary side load curve in a terminal storage station or electricity stealing analysis expert system so as to calculate the quantity of the stolen electricity scientifically to lower the electricity energy metering and the electricity loss to the minimum degree. The novel electric system comprises a wireless collector which is communicated with a wireless receiver through a wireless GFSK manner, the wireless receiver and a multifunctional electricity meter are respectively communicated with an electricity utilization management terminal which is communicated with an electricity utilization marketing automation system main station by network, the electricity utilization marketing automation system main station is communicated with an exchanger through a fire wall, and the exchanger is communicated with a host.
Description
Technical field
The utility model relates to a kind of electricity anti-theft system, relates in particular to a kind of novel electric power electricity anti-theft system based on the GFSK wireless data communication technology.
Background technology
Under condition of market economy, power supply enterprise collects the corresponding electricity charge to power consumer according to the character of what and load of power consumption according to the provisions of the relevant regulations issued by the State, and this 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 the legitimate rights and interests of grievous injury power supply enterprise not only, upset to supply the electricity consumption order normally, and have brought serious threat to power grid security.
The gimmick of stealing is a lot, and modal is to start with from the basic principle of electric energy metrical.Concrete stealing electricity method mainly contains under-voltage method, undercurrent method, phase-shifting method, expansion difference method, no table method.(1) under-voltage method stealing.Be about to insert the voltage circuit disconnection of electric energy measuring equipment or come loose, cause voltage circuit decompression or under-voltage.(2) undercurrent method stealing.Promptly the current circuit that inserts electric energy measuring equipment is implemented short circuit or open circuit, cause the electric current that flows into measuring equipment to reduce.(3) phase-shifting method stealing also claims stealing of misphase method or the stealing of phase horn cupping.Promptly change the wiring of electric energy measuring equipment voltage circuit or current circuit, thereby change correct voltage of measuring equipment or current phase relation, make electric energy metrical inaccurate.(4) expand the stealing of difference method.From physically destroying the metering mechanism of electric energy measuring equipment, enlarge the electric energy measuring equipment error.(5) shunting stealing before the table.Wiring electricity consumption privately before electric energy measuring equipment makes the one part of current measuring equipment of not flowing through, and electric weight is counted less.
At above-mentioned stealing gimmick, many anti-theft electricity technologies and product have appearred on the market.At present, the major technique measure of control stealing comprises: improve the lead sealing design of electric energy meter; Adopt electricity-stealing prevention metering tank; Use has the electric energy meter of anti-stealing electricity function; Adopt and manually to be attached to on-the-spot investigation electricity filching behavior with the portable intelligent equipment of opposing electricity-stealing; Utilize the remote meter reading technology to judge whether electricity filching behavior by the online metering device operating mode of checking; Utilize the anti-electricity-theft module of power load management system to find electricity filching behavior and massive quantity power supply and measurement is combined etc. for low counting with high.But there is certain defective in current anti-theft electricity technology:
Can adopt high speed AC sampling chip to gather phase voltage, current signal for voltage method and the stealing of misphase method, can judge whether to exist decompression or under-voltage by comparing with threshold voltage; Simultaneously, adopt fourier algorithm can calculate angulation mutually between electric current and voltage, thereby judge whether to exist the misphase stealing.For expanding shunting stealing before difference method stealing and the table, mainly take the hardware precautionary measures, as adopt special-purpose batch meter or ammeter box, sealing transformer low voltage leading-out terminal to the conductor of measuring equipment, adopt pick-proof lead sealing etc.But because above-mentioned means can only be monitored the electric current and the voltage of secondary side, so these technology are to the stealing of taking precautions against measurement loop and powerless around the electricity filching behavior in gauge table meter, loop more.
Marketing automation system development at present is rapid, and coverage rate enlarges gradually, can carry out communication system of power grids scheduling such as load management, emergency command by its user management terminal.Current anti-theft electricity technology does not have to consider the present situation of existing marketing automation system development substantially, when the report of user electricity filching behavior, all need install private communication channel additional and could notify the power utility check personnel, has increased system's investment and operating cost.Even the electricity anti-theft system that has is considered the marketing automation system, can determine to implement the concrete circuit at stealing user place, but can't be positioned to a certain particular user, examination scope is wide, the investigation difficulty is big, and is carrying out lacking effective instrument and data support when electric weight remedies.
The utility model content
The purpose of this utility model is exactly for addressing the above problem, a kind of novel electric power electricity anti-theft system based on the GFSK wireless data communication technology is provided, it can lock stealing user and Realtime Alerts quickly and accurately, simultaneously a secondary side load curve at this moment is stored in terminal storage platform or the stealing expert system, science is calculated by power-steeling quantity, and electric energy metrical and stealing loss are reduced to minimum level.
For achieving the above object, the utility model adopts following technical scheme:
A kind of novel electric power electricity anti-theft system based on the GFSK wireless data communication technology, it comprises the wireless collection device, the wireless collection device is communicated by letter with wireless receiver by wireless GFSK mode, wireless receiver is all communicated by letter with electricity management terminal with multifunction electric meter, electricity management terminal is by network and electricity consumption marketing automation system master station communication, electricity consumption marketing automation system master station communication is by fire compartment wall and switch communication, switch and main-machine communication.
Described wireless collection device comprises current transformer, it is connected with sample circuit, sample circuit is connected with high-precision A/D change-over circuit, high-precision A/D change-over circuit is connected with embedded microprocessor CPU I, embedded microprocessor CPU I is connected with data transmission module I with memory I respectively, and data transmission module I is by GFSK mode and wireless receiver.
Described circuit instrument transformer cover/be serially connected in the client to become on the primary side power line.
Described wireless data receiver is installed in the client and specially becomes secondary side, comprises digital transmission module II, and digital transmission module II is connected with embedded microprocessor CPU II, and embedded microprocessor CPU II is connected with output interface circuit with memory I I.
Described output interface is RS485 or RS232 or TTL interface.
The utility model has provided a kind of novel electricity anti-theft system based on the GFSK wireless data communication technology.This system mainly is made up of wireless collection device, wireless receiver and stealing expert system.Can't detect the inferior position of primary side data at most electricity anti-theft systems, system becomes on the primary side power line wireless collection device and gathers the primary side electric quantity data by overlapping/be serially connected in the client, and transmits it to the marketing automation system by wireless receiver.Terminal equipment calculates the power difference that compares primary side and secondary side through the stealing expert system and judges whether the user exists electricity filching behavior.The wireless GFSK mode of utilization is transmitted data between wireless collection device and the wireless receiver, guarantees communication quick and precisely.
System can carry out round-the-clock automatic monitoring to whole electrical network, when electricity filching behavior takes place when, can lock stealing user and Realtime Alerts quickly and accurately, simultaneously a secondary side load curve at this moment is stored in terminal storage platform or the stealing expert system, science is calculated by power-steeling quantity, and electric energy metrical and stealing loss are reduced to minimum level.
The utility model uses the average power of primary side and secondary side, judges whether to exist the stealing situation by comparing the two numerical value.Its criterion is shown in formula (1), (2):
ΔS＞S
p (1)
ΔS＝S
1-S
2 (2)
In the formula, Sp is the stealing decision threshold, and is given by wireless electricity anti-theft system.Δ S is that one or two side average powers are poor; S1 is the average power of primary side, and S2 is the average power of secondary side.The calculating of S1 makes primary side current signal in the electricity consumption marketing automation system database, and S2 is then for drawing the average power of secondary side from multifunction electric meter.
Wireless electricity anti-theft system is at first sampled to the current signal of primary side by the wireless collection device, transfers to by wireless receiver in the database of electricity consumption marketing automation system.The stealing expert system by the information in the calculated data storehouse, obtains primary side average power S1 on the one hand; From multifunction electric meter, draw the average power S2 of secondary side on the other hand.By the difference of comparison S1 and S2, expert system is according to determining that in advance threshold values Sp judges whether this time sampling exceeds standard.If be defined as stealing, system sends warning automatically, and the location is the position in violation of rules and regulations.
1. data acquisition device
The data acquisition device is a most important parts in the native system, passes interface formations such as (wireless little power consumption module) by current transformer, sample circuit, high-precision A/D conversion, embedded microprocessor CPU (32 ARM platforms), memory, number.Carry out wireless data communication based on the virtual potential principle, the data acquisition device can overlap/be serially connected in the client and become on the primary side power line, is used to gather, handle, store the three-phase current of primary side.
In order to adapt to open-air high/low gentle high humidity environment, all devices of wireless collection device all adopt anti-ultraviolet epoxy sealing technology encapsulation.Its power supply supply converts by the magnetic field that the power line current of flowing through produces, need not external, no secondary output, hermetically sealed, contactless, the user is difficult to destroy, thereby has stopped illegal user carries out stealing at measurement loop possibility.
2. wireless data receiver
The wireless data receiver is by formations such as digital transmission module (wireless little power consumption module), embedded microprocessor CPU (32 ARM platforms), memory and output interface circuits, be installed in the client and specially become secondary side, be used to receive the primary side current data that data acquisition unit is gathered, and transfer of data arrived on-site terminal equipment (load management terminal, electricity consumption on-site terminal, electric energy acquisition terminal etc.) by interface (RS485/RS232/TTL).
Wireless receiver receives the primary side current numerical value of wireless collection device transmission by wireless GFSK mode.GFSK (Gaussian Frequency Shift Keying) modulation is importing data after the filtering of gauss low frequency filter premodulated, carrying out FSK modulated digital modulation system again.Its data transmission rate can reach 1M symbols/s, maximum transmission power+10dBm, and the built-in data protocol of wireless receiver, the CRC error detection does not have mess code output, has the desirable characteristics of wireless communication system such as permanent width of cloth envelope, power spectrum is concentrated, frequency spectrum is narrower.Receiver interface is supported multifunction electric meter DL/T645 stipulations, can realize seamless connection with electricity management terminal.Support wildcard search, the wireless receiver plug and play is ready after can be.
3. stealing expert system
The stealing expert system is reading of data in the electricity consumption marketing automation system database directly, and data are collected by the wireless collection device of electricity management terminal by system, and calculates the average power S1 in specific user's primary side certain hour.By calculating the data of multifunctional electric energy meter, draw the average power S2 in the corresponding time of secondary side simultaneously.Consider the reasons such as difference of equipment loss and table meter and wireless collection device precision, can in system, preset difference.The summation that adds difference as S2 is during still less than S1, and distinguish of system is a multiplexing electric abnormality, system alarm (the tolerant value of primary side and secondary side data is set in main website software).The warning interface is initiatively ejected and is sent to by note on specific people's the mobile phone.System is according to abnormal curve, the electricity filching means that analysis may be adopted, and suggestion is paid close attention to when investigating and prosecuting.
4. electricity management terminal
Electricity management terminal adopts the DL/T645 stipulations to communicate by letter with the wireless data receiver through the RS485 interface, collects the primary side current value that receives from the wireless data receiver, the data of the secondary side of copy reading simultaneously electric energy meter.If revise the electricity management terminal program, can realize that electricity management terminal inside carries out the in-situ balancing of apparent power, judge whether to exist multiplexing electric abnormality, if multiplexing electric abnormality then upload data and warning information by GPRS network.If do not revise the electricity management terminal program, terminal is then uploaded the main website of the data of primary side and secondary side to electricity consumption marketing automation system by existing channel, carries out analysis and judgement by the stealing expert system.
The beneficial effects of the utility model are:
1) primary side monitoring, secondary side and primary side realtime power curve comparison, the comparison data science is accurate;
2) round-the-clock automatic monitoring uses manpower and material resources sparingly;
3) monitoring in real time, Realtime Alerts can in-situ balancing;
4) the wireless collection device is hermetically sealed, and contactless is perfect;
5) the terminal storage platform becomes primary side and secondary side load curve, and verified evidence, and science is calculated by power-steeling quantity;
6) with the existing system seamless link, small investment, instant effect;
7) whole day 24 hours monitoring is automatically in real time reported to the police in time, uses manpower and material resources sparingly, financial resources;
8) lock the stealing suspect quickly and accurately, evidence is accurately conclusive;
9) for electric company retrieves huge loss, the rate of return on investment height.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Wherein, 1 wireless collection device, 2 wireless receivers, 3 multifunction electric meters, 4 electricity management terminals, 5 main websites of electricity consumption marketing automation system, 6 fire compartment walls, 7 switches, 8 main frames.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Among Fig. 1, it comprises wireless collection device 1, wireless collection device 1 is communicated by letter with wireless receiver 2 by wireless GFSK mode, wireless receiver 2 is all communicated by letter with electricity management terminal 4 with multifunction electric meter 3, electricity management terminal 4 is communicated by letter with main website of electricity consumption marketing automation system 5 (being the corresponding calculated machine) by network, 5 communications of main website of electricity consumption marketing automation system are communicated by letter with switch 7 by fire compartment wall 6, and switch 7 is communicated by letter with main frame 8.Stealing expert system software is installed in the main frame 8.
Wireless data receiver 2 is installed in the client and specially becomes secondary side, comprises digital transmission module II, and digital transmission module II is connected with embedded microprocessor CPU II, and embedded microprocessor CPU II is connected with output interface circuit with memory I I.Output interface is RS485 or RS232 or TTL interface.
Claims (5)
1. novel electric power electricity anti-theft system based on the GFSK wireless data communication technology, it is characterized in that, it comprises the wireless collection device, the wireless collection device is communicated by letter with wireless receiver by wireless GFSK mode, wireless receiver is all communicated by letter with electricity management terminal with multifunction electric meter, electricity management terminal is by network and electricity consumption marketing automation system master station communication, and electricity consumption marketing automation system master station communication is by fire compartment wall and switch communication, switch and main-machine communication.
2. the novel electric power electricity anti-theft system based on the GFSK wireless data communication technology as claimed in claim 1, it is characterized in that, described wireless collection device comprises current transformer, it is connected with sample circuit, sample circuit is connected with high-precision A/D change-over circuit, high-precision A/D change-over circuit is connected with embedded microprocessor CPU I, and embedded microprocessor CPU I is connected with data transmission module I with memory I respectively, and data transmission module I is by GFSK mode and wireless receiver.
3. the novel electric power electricity anti-theft system based on the GFSK wireless data communication technology as claimed in claim 2 is characterized in that, described circuit instrument transformer cover/be serially connected in the client to become on the primary side power line.
4. the novel electric power electricity anti-theft system based on the GFSK wireless data communication technology as claimed in claim 1, it is characterized in that, described wireless data receiver is installed in the client and specially becomes secondary side, comprise digital transmission module II, digital transmission module II is connected with embedded microprocessor CPU II, and embedded microprocessor CPU II is connected with output interface circuit with memory I I.
5. the novel electric power electricity anti-theft system based on the GFSK wireless data communication technology as claimed in claim 4 is characterized in that, described output interface is RS485 or RS232 or TTL interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206420776U CN201956930U (en) | 2010-12-03 | 2010-12-03 | Novel electric system capable of preventing electricity from being stolen based on GFSK wireless data communication technology |
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| CN2010206420776U CN201956930U (en) | 2010-12-03 | 2010-12-03 | Novel electric system capable of preventing electricity from being stolen based on GFSK wireless data communication technology |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445578A (en) * | 2011-11-08 | 2012-05-09 | 辽宁省电力有限公司葫芦岛供电公司 | Electricity stealing prevention inspecting and monitoring detector |
| CN102540134A (en) * | 2011-12-30 | 2012-07-04 | 李景禄 | Intelligent metering and monitoring 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 |
| CN102981441A (en) * | 2012-11-13 | 2013-03-20 | 国网电力科学研究院 | Monitoring and protecting device and system and method of electrical load |
| CN104835396A (en) * | 2015-05-11 | 2015-08-12 | 北京新源绿网节能科技有限公司 | Simulation system based on anti-electric-larceny skill training |
| CN110246054A (en) * | 2019-04-28 | 2019-09-17 | 国网内蒙古东部电力有限公司电力科学研究院 | A kind of intelligent electricity anti-theft total management system and method |
| CN111948448A (en) * | 2020-08-20 | 2020-11-17 | 国网河北省电力有限公司沧州供电分公司 | Anti-electricity-stealing system based on expert knowledge base |
-
2010
- 2010-12-03 CN CN2010206420776U patent/CN201956930U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445578A (en) * | 2011-11-08 | 2012-05-09 | 辽宁省电力有限公司葫芦岛供电公司 | Electricity stealing prevention inspecting and monitoring detector |
| CN102540134A (en) * | 2011-12-30 | 2012-07-04 | 李景禄 | Intelligent metering and monitoring system |
| CN102981441A (en) * | 2012-11-13 | 2013-03-20 | 国网电力科学研究院 | Monitoring and protecting device and system and method of electrical load |
| 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 |
| CN104835396A (en) * | 2015-05-11 | 2015-08-12 | 北京新源绿网节能科技有限公司 | Simulation system based on anti-electric-larceny skill training |
| CN110246054A (en) * | 2019-04-28 | 2019-09-17 | 国网内蒙古东部电力有限公司电力科学研究院 | A kind of intelligent electricity anti-theft total management system and method |
| CN111948448A (en) * | 2020-08-20 | 2020-11-17 | 国网河北省电力有限公司沧州供电分公司 | Anti-electricity-stealing system based on expert knowledge base |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20111203 |