CN201465383U - Low-voltage measurement electricity anti-stealing training device - Google Patents
Low-voltage measurement electricity anti-stealing training device Download PDFInfo
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- CN201465383U CN201465383U CN2009200902683U CN200920090268U CN201465383U CN 201465383 U CN201465383 U CN 201465383U CN 2009200902683 U CN2009200902683 U CN 2009200902683U CN 200920090268 U CN200920090268 U CN 200920090268U CN 201465383 U CN201465383 U CN 201465383U
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Abstract
The utility model provides a low-voltage measurement electricity anti-stealing training device, which comprises an isolating transformer, an electricity stealing simulator, an electric energy meter, a communication module and a computer, wherein the isolating transformer and the electric energy meter are respectively connected with a leading-in terminal and a leading-out terminal of the electricity stealing simulator; the computer is communicated with the electricity stealing simulator through the communication module so as to control the electricity stealing simulator to simulate different electricity stealing modes; and the electricity stealing simulator includes a switch power source, a 485 communication module, a single chip microcomputer control circuit and a relay matrix circuit. The relay matrix circuit includes a relay drive chip and a plurality of relays; the switch power source is respectively connected with the 485 communication module and the single chip microcomputer control circuit so as to provide power supply; and the 485 communication module is connected with the single chip microcomputer control circuit. The device solves the problem that low-voltage measurement electricity anti-stealing teaching experiments or training methods are backward, and has the advantages of safety, reliability and strong practicability.
Description
Technical field
The utility model relates to a kind of power supply-distribution system to experimental provision or teaching, training device that technology and managerial personnel carry out skills training and technical appraisement, specifically, relates to a kind of training device for low-voltage measurement electricity-stealing opposition.
Background technology
Electricity has become human society existence, development, progressive indispensable a kind of important energy source since being found, utilizing so far, and all human activities nearly all have confidential relation with electricity; Along with expanding economy, demand to electricity constantly enlarges, the expansion in power sale market has stimulated the development of whole electrical production again, but increase along with power consumption, especially be accompanied by the foundation of market economy system, stealing electricity phenomenon is more and more general in the whole nation, and it is more and more outstanding that the stealing problem also becomes; The stealing problem not only perplexs the development of electric power enterprise, has also had a strong impact on the stable of national economic construction and society, yet because various reasons subjective and objectively, stealing electricity phenomenon is long-term existence and perplexing power supply enterprise still but; From the various stealing cases of discovered in recent years and processing, not only the gimmick of stealing is more and more brilliant, and the number of stealing is increasing, and some electricity filching person also bores the law gap specially, escapes due punishment by every means; Therefore, control stealing problem has become an important topic that can not be ignored, that press for solution.
At present, electric system is the rural power grids system especially, and its power supply supervisory personnel technical merit is relatively low, also can not satisfy the requirement of investigating and prosecuting stealing far away; Based on serious stealing electricity phenomenon, this just makes power supply enterprise be badly in need of improving power supply inspection and related management personnel's Prevention Stealing Electricity Technology level; In the prior art, investigate and prosecute the technical training of stealing electricity phenomenon at the power supply management personnel, the rehearsal equipment of for want of testing and oppose electricity-stealing can't ocular demonstration stealing mode or means, and tightly rely on the theoretical property teaching, poor effect that this usually makes training.
In order to overcome the above problems, people are seeking a kind of desirable technical solution always.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, thereby a kind of safe and reliable, practical training device for low-voltage measurement electricity-stealing opposition is provided.
To achieve these goals, the utility model provides a kind of training device for low-voltage measurement electricity-stealing opposition, this device comprises isolating transformer, electricity-stealing simulating device, electric energy meter, communication module and computing machine, wherein, described isolating transformer, described electric energy meter connect the end of incoming cables and the leading-out terminal of described electricity-stealing simulating device respectively, and described computing machine is communicated by letter in the different stealing mode of control electricity-stealing simulating device simulation by described communication module and described electricity-stealing simulating device.
Based on above-mentioned, described electricity-stealing simulating device comprises Switching Power Supply, 485 communication modules, single chip machine controlling circuit and relay matrix circuit; Wherein, described relay matrix circuit comprises relay chip for driving and a plurality of relay, described relay coil one end connects described Switching Power Supply, the described relay coil other end connects described relay chip for driving, and described relay double-throw contact two ends are respectively applied for and connect described isolating transformer and described electric energy meter; Described Switching Power Supply connects described 485 communication modules and described single chip machine controlling circuit respectively so that power supply to be provided, and described 485 communication modules connect described single chip machine controlling circuit, and described single chip machine controlling circuit connects described relay chip for driving.
Based on above-mentioned, described 485 communication modules comprise one group of MAX485 chip and three groups of 6N137 photoelectric isolated chips, wherein, 485 communication signals output to three groups of 6N137 photoelectric isolated chips after the conversion of MAX485 chip isolates, and the communication signal after the isolation is used to connect described single chip machine controlling circuit.
Based on above-mentioned, described single chip machine controlling circuit comprises microprocessor, three groups of 6N137 photoelectric isolated chips and CD4094 bus register, wherein, the communication signal of 485 communication modules output is the output control signal after microprocessor is handled, described control signal outputs to described CD4094 bus register after three groups of 6N137 photoelectric isolated chips are isolated, described CD4094 bus register is used to connect the relay chip for driving.
Based on above-mentioned, described relay coil two ends parallel diode, described diode cathode connects described Switching Power Supply.
The relative prior art of the utility model has substantive distinguishing features and progress, specifically, this device has the following advantages: 1, this installs various stealing modes and demonstrates complete: the electric energy meter metering phenomenon in the time of can demonstrating the single-phase straight-through table of emulation, single-phase zone CT table, three-phase and four-line table and phase three-wire three table generation stealing, and be to take place at actual stealing scene mostly; 2, this installs after various stealing modes are provided with, and computing machine can show elementary diagram automatically, and is cheer and bright, artificial intelligence; 3, this device possesses examination, check function, and trainer can unification carry out the fault setting during examination on this device, guarantees examination notarization property.
Description of drawings
Fig. 1 is principle of work of the present utility model and structured flowchart;
Fig. 2 is the principle of work and the structured flowchart of described electricity-stealing simulating device;
Fig. 3 is the circuit theory synoptic diagram of 485 communication modules and single chip machine controlling circuit in the described electricity-stealing simulating device;
Fig. 4 is the circuit theory synoptic diagram of described electricity-stealing simulating device repeat circuit matrix circuit.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of training device for low-voltage measurement electricity-stealing opposition, this device comprises isolating transformer 11, electricity-stealing simulating device 12, electric energy meter 13, communication module 14 and computing machine 15, wherein, described isolating transformer 11, described electric energy meter 13 connect the end of incoming cables and the leading-out terminal of described electricity-stealing simulating device 12 respectively, and described computing machine 15 is simulated different stealing mode with described electricity-stealing simulating device 12 communications with control electricity-stealing simulating device 12 by described communication module 14.
The course of work of system is: power frequency three-phase four-wire system power supply enters into electricity-stealing simulating device 12 through behind the isolating transformer 11, after entering electricity-stealing simulating device 12 with the power supply of mains isolation, carry out the circuit conversion in electricity-stealing simulating device 12 inside by the relay matrix circuit, output to electric energy meter 13 and carry out electric energy metrical;
When the stealing mode is set, after computing machine 15 transmission instructions, be converted to the RS485 signal by communication module 14, carry out communication with electricity-stealing simulating device 12 then, electricity-stealing simulating device 12 makes its action by the relay in the Single-chip Controlling relay matrix circuit, carries out the circuit conversion.
Concrete composition of device each several part and annexation are:
Isolating transformer 11, external power frequency supply is used for the isolation of power frequency supply input and experimental provision, to guarantee the safety in the experimentation; Isolating transformer 11 employing no-load voltage ratios are 1: 1 transformer, and it is a kind of universal product;
Electricity-stealing simulating device 12 is used to simulate various stealing modes, is made up of relay matrix circuit and driving circuit thereof, by the combination of relay, simulates different stealing modes;
As Fig. 2, Fig. 3 and shown in Figure 4, described electricity-stealing simulating device comprises Switching Power Supply 1,485 communication modules 2, single chip machine controlling circuit 3 and relay matrix circuit 4; Wherein, described Switching Power Supply 1 connects described 485 communication modules 2, described single chip machine controlling circuit 3 and relay matrix circuit 4 respectively so that power supply to be provided, described 485 communication modules 2 connect described single chip machine controlling circuit 3, and described single chip machine controlling circuit 3 connects the relay chip for driving of described relay matrix circuit 4.
As shown in Figure 3, described 485 communication modules comprise one group of MAX485 chip U1, three groups of 6N137 photoelectric isolated chips (U3, U4, U5) and some resistance (R1, R3, R4, R5, R6, R7, R8, R9), wherein, 485 communication signals output to three groups of 6N137 photoelectric isolated chips after the conversion of MAX485 chip isolates, and the communication signal after the isolation is used to connect described single chip machine controlling circuit.
Based on above-mentioned, described single chip machine controlling circuit comprises microprocessor U2, three groups of 6N137 photoelectric isolated chips (U6, U7, U8), two CD4094 bus register (U9, U10), some resistance (R10, R11, R12, R13, R14, R15), resistor chain RR1, two electric capacity (C1, C2) and crystal oscillator CY1, described microprocessor U2 adopts AT89S52, and described CD4094 bus register is 8 grades of displacement memory bus registers; Wherein, the communication signal of 485 communication modules output is the output control signal after microprocessor is handled, described control signal outputs to described CD4094 bus register after three groups of 6N137 photoelectric isolated chips are isolated, described CD4094 bus register is used to connect the relay chip for driving.
In electricity-stealing simulating device 12, the RS485 communication signal enters the 6P of MAX485 chip, the 7P pin, communication signal is through after changing, 1P from the MAX485 chip, the 4P pin outputs to 6N1 37 photoelectric isolated chips isolates, the 2P of MAX485 chip, the 3P pin receives the level data of the I/O mouth of microprocessor U2 through the transmission of 6N137 photoelectric isolated chip, make its acceptance that is in communication signal or transmit status, communication signal after the isolation is to the communication serial ports RXD of microprocessor U2, the TXD pin, after microprocessor U2 processing, send data to the CD4094 bus register, output to the relay chip for driving again, the relay chip for driving drives the corresponding actuating of relay, finishes the stealing circuit conversion.
As shown in Figure 4, described relay matrix circuit 4 comprise two relay chip for driving (U11, U12), 14 relays (L1, L2, L3, L4, L5, L6, L7, L8, L9, L10, L11, L12, L13, L14) and with 14 supporting diodes (D1, D2, D3, D4, D5 of aforementioned 14 relays, D6, D7, D8, D9, D10, D11, D12, D16, D17), described relay chip for driving adopts MC1413; Wherein, described relay coil one end connects described Switching Power Supply, and the described relay coil other end connects described relay chip for driving, described relay double-throw contact two ends parallel diode, and described diode cathode connects described Switching Power Supply; Described relay two ends are respectively applied for and connect described isolating transformer 11 and described electric energy meter 13.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (5)
1. training device for low-voltage measurement electricity-stealing opposition, it is characterized in that: this device comprises isolating transformer, electricity-stealing simulating device, electric energy meter, communication module and computing machine, wherein, described isolating transformer, described electric energy meter connect the end of incoming cables and the leading-out terminal of described electricity-stealing simulating device respectively, and described computing machine is communicated by letter with described electricity-stealing simulating device by described communication module.
2. training device for low-voltage measurement electricity-stealing opposition according to claim 1 is characterized in that: described electricity-stealing simulating device comprises Switching Power Supply, 485 communication modules, single chip machine controlling circuit and relay matrix circuit; Wherein, described relay matrix circuit comprises relay chip for driving and a plurality of relay, described relay coil one end connects described Switching Power Supply, the described relay coil other end connects described relay chip for driving, and described relay double-throw contact two ends are respectively applied for and connect described isolating transformer and described electric energy meter; Described Switching Power Supply connects described 485 communication modules and described single chip machine controlling circuit respectively so that power supply to be provided, and described 485 communication modules connect described single chip machine controlling circuit, and described single chip machine controlling circuit connects described relay chip for driving.
3. training device for low-voltage measurement electricity-stealing opposition according to claim 2, it is characterized in that: described 485 communication modules comprise one group of MAX485 chip and three groups of 6N137 photoelectric isolated chips, wherein, 485 communication signals output to three groups of 6N137 photoelectric isolated chips after the conversion of MAX485 chip isolates, and the communication signal after the isolation is used to connect described single chip machine controlling circuit.
4. training device for low-voltage measurement electricity-stealing opposition according to claim 2, it is characterized in that: described single chip machine controlling circuit comprises microprocessor, three groups of 6N137 photoelectric isolated chips and CD4094 bus register, wherein, the communication signal of 485 communication modules output is the output control signal after microprocessor is handled, described control signal outputs to described CD4094 bus register after three groups of 6N137 photoelectric isolated chips are isolated, described CD4094 bus register is used to connect the relay chip for driving.
5. training device for low-voltage measurement electricity-stealing opposition according to claim 2 is characterized in that: described relay two ends parallel diode, described diode cathode connects described Switching Power Supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200902683U CN201465383U (en) | 2009-05-15 | 2009-05-15 | Low-voltage measurement electricity anti-stealing training device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200902683U CN201465383U (en) | 2009-05-15 | 2009-05-15 | Low-voltage measurement electricity anti-stealing training device |
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| CN201465383U true CN201465383U (en) | 2010-05-12 |
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| CN2009200902683U Expired - Lifetime CN201465383U (en) | 2009-05-15 | 2009-05-15 | Low-voltage measurement electricity anti-stealing training device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240568A (en) * | 2014-09-09 | 2014-12-24 | 国家电网公司 | Power-theft-prevention training device |
| CN104977447A (en) * | 2015-01-29 | 2015-10-14 | 深圳供电局有限公司 | Electricity stealing analog simulation device and method |
| CN106094571A (en) * | 2016-07-22 | 2016-11-09 | 国网浙江省电力公司电力科学研究院 | Multi-function electricity fraudulent using-proof Simulation Experimental Platform |
-
2009
- 2009-05-15 CN CN2009200902683U patent/CN201465383U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240568A (en) * | 2014-09-09 | 2014-12-24 | 国家电网公司 | Power-theft-prevention training device |
| CN104977447A (en) * | 2015-01-29 | 2015-10-14 | 深圳供电局有限公司 | Electricity stealing analog simulation device and method |
| CN106094571A (en) * | 2016-07-22 | 2016-11-09 | 国网浙江省电力公司电力科学研究院 | Multi-function electricity fraudulent using-proof Simulation Experimental Platform |
| CN106094571B (en) * | 2016-07-22 | 2023-01-13 | 国网浙江省电力公司电力科学研究院 | Multifunctional anti-electricity-theft simulation experiment platform |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090515 |