CN205193128U - Anti -electricity -theft detection module of three -phase kilowatt -hour meter - Google Patents
Anti -electricity -theft detection module of three -phase kilowatt -hour meter Download PDFInfo
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- CN205193128U CN205193128U CN201521013919.0U CN201521013919U CN205193128U CN 205193128 U CN205193128 U CN 205193128U CN 201521013919 U CN201521013919 U CN 201521013919U CN 205193128 U CN205193128 U CN 205193128U
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 230000003321 amplification Effects 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 abstract description 18
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an anti -electricity -theft detection module of three -phase kilowatt -hour meter, including exchangeable module of three phase current and magnetic field detection module, a filter module's input is connected to the output electricity of the exchangeable module of three phase current, the input that the first signal amplifies the module is connected to a filter module's output electricity, the first signal enlargies the output electricity connection voltage contrast module's of module input, the 2nd filter module's input is connected to magnetic field detection module's output electricity, the input that the second signal amplifies the module is connected to the 2nd filter module's output electricity, the second signal enlargies the output electricity connection magnetic field contrast module's of module input, magnetic field contrast module and voltage contrast module's the equal electric connect the processor's of output input. This anti -electricity -theft detection module of three -phase kilowatt -hour meter, anti -electricity -theft detection is more comprehensive, can cut off the power supply at once for reducing the loss, can help staff rapidly transacting moreover.
Description
Technical field
The utility model relates to technical field of electric power, is specially the anti-electricity-theft detection module of a kind of three-phase kilowatt-hour meter.
Background technology
Stealing refers to be walked around electric energy meter by certain mode or makes it lose efficacy, thus reaches the object escaped and pay the electricity charge.At present, main stealing user progressively turns to stealing industrial three-phase power electric by domestic lighting stealing, and electricity filching means also turns to hidden technicalization stealing by significantly destroying structure stealing.
One of wherein more common stealing mode is electric current input bypass or open circuit stealing mode, and current input terminal bypass or open circuit to make in table current transformer no current or only by portion of electrical current, thus cause disregarding or few quantity calculation.Along with the development of technology, occur utilizing special high-tech intelligentized high-power wireless technology ammeter to be carried out to the stealing electricity method of electromagnetic interference (EMI) at present, it utilizes the CPU of high-power wireless signal to Electro-metering device of electricity filching device to disturb, make its cisco unity malfunction, disregard or few quantity calculation, also do not live a kind of more anti-electricity-theft pick-up unit now, and can not take measures after detecting, for this reason, we propose the anti-electricity-theft detection module of a kind of three-phase kilowatt-hour meter.
Utility model content
The purpose of this utility model is to provide a kind of three-phase kilowatt-hour meter anti-electricity-theft detection module, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: the anti-electricity-theft detection module of a kind of three-phase kilowatt-hour meter, comprise three-phase current mutual inductance module and magnetic field detection module, the output terminal of described three-phase current mutual inductance module is electrically connected the input end of the first filtration module, the output terminal of described first filtration module is electrically connected the input end of the first signal amplification module, the input end of the output terminal electrical connection voltage-contrast module of described first signal amplification module, the output terminal of described magnetic field detection module is electrically connected the input end of the second filtration module, the input end of the output terminal electrical connection secondary signal amplification module of described second filtration module, the input end of the output terminal electrical connection magnetic field contrast module of described secondary signal amplification module, the output terminal of described magnetic field contrast module and voltage-contrast module is all electrically connected the input end of processor, the input end of the output terminal electrical connection feedback module of described processor, the input end of the output terminal electrical connection power-off modular of described feedback module, and the output terminal of the input end of processor electrical connection locating module, described processor is electrically connected with communication module is two-way, described communication module is electrically connected with wireless network module is two-way, described wireless network module is electrically connected with monitor terminal is two-way.
Preferably, described three-phase current mutual inductance module comprises A phase mutual inductor, B phase mutual inductor and C phase mutual inductor.
Preferably, the input end of the output terminal electrical connection analog voltage threshold module of described processor, the input end of the output terminal electrical connection threshold voltage load module of described analog voltage threshold module, the input end of the output terminal electrical connection voltage-contrast module of described threshold voltage load module.
Preferably, the output terminal electrical connection magnetic field threshold values measurement module of described processor, the input end of the output terminal electrical connection magnetic field threshold values load module of described magnetic field threshold values measurement module, and the input end of the output terminal of magnetic field threshold values load module electrical connection magnetic field contrast module.
Preferably, described monitor terminal is electrically connected with database is two-way.
Compared with prior art, the beneficial effects of the utility model are: the anti-electricity-theft detection module of this three-phase kilowatt-hour meter, the magnitude of voltage of three-phase electricity is detected by contrast Current Mutual Inductance module, thus prevent electric current from inputting the stealing mode of bypass, by the electromagnetic change around contrast reometer, thus prevent the stealing electricity method of electromagnetic interference (EMI), anti-electricity-theft detection more comprehensively, and power down process can be carried out by power-off modular at once when finding that there is electricity filching behavior, reduce loss, and monitor terminal can be notified by communication module, by locating module, stealing place is positioned, staff's rapid reaction process can be helped.
Accompanying drawing explanation
Fig. 1 is the utility model principle schematic.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model provides a kind of technical scheme: the anti-electricity-theft detection module of a kind of three-phase kilowatt-hour meter, comprise three-phase current mutual inductance module and magnetic field detection module, three-phase current mutual inductance module comprises A phase mutual inductor, B phase mutual inductor and C phase mutual inductor, the voltage condition of each circuit in three-phase electricity can be measured, measurement data is complete, the output terminal of three-phase current mutual inductance module is electrically connected the input end of the first filtration module, the output terminal of the first filtration module is electrically connected the input end of the first signal amplification module, the input end of the output terminal electrical connection voltage-contrast module of the first signal amplification module, voltage condition is contrasted, the output terminal of magnetic field detection module is electrically connected the input end of the second filtration module, the input end of the output terminal electrical connection secondary signal amplification module of the second filtration module, the input end of the output terminal electrical connection magnetic field contrast module of secondary signal amplification module, Distribution of Magnetic Field is contrasted, the output terminal of magnetic field contrast module and voltage-contrast module is all electrically connected the input end of processor, the input end of the output terminal electrical connection feedback module of processor, the input end of the output terminal electrical connection power-off modular of feedback module, the input end of the output terminal electrical connection analog voltage threshold module of processor, voltage condition under making analog voltage threshold module can simulate normal electricity consumption situation, the input end of the output terminal electrical connection threshold voltage load module of analog voltage threshold module, the input end of the output terminal electrical connection voltage-contrast module of threshold voltage load module, the output terminal electrical connection magnetic field threshold values measurement module of processor, magnetic field threshold values measurement module can measure the electromagnetism distribution situation do not had in external interference situation near reometer, the input end of the output terminal electrical connection magnetic field threshold values load module of magnetic field threshold values measurement module, and the input end of the output terminal of magnetic field threshold values load module electrical connection magnetic field contrast module, and the output terminal of the input end of processor electrical connection locating module, processor is electrically connected with communication module is two-way, communication module is electrically connected with wireless network module is two-way, wireless network module is electrically connected with monitor terminal is two-way, monitor terminal is electrically connected with database is two-way, database can store mass data, the measurement data etc. of ammeter is stored.The anti-electricity-theft detection module of this three-phase kilowatt-hour meter, the magnitude of voltage of three-phase electricity is detected by contrast Current Mutual Inductance module, thus prevent electric current from inputting the stealing mode of bypass, by the electromagnetic change around contrast reometer, thus prevent the stealing electricity method of electromagnetic interference (EMI), anti-electricity-theft detection more comprehensively, and power down process can be carried out by power-off modular at once when finding that there is electricity filching behavior, reduce loss, and monitor terminal can be notified by communication module, by locating module, stealing place is positioned, staff's rapid reaction process can be helped.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (5)
1. the anti-electricity-theft detection module of three-phase kilowatt-hour meter, comprise three-phase current mutual inductance module and magnetic field detection module, it is characterized in that: the output terminal of described three-phase current mutual inductance module is electrically connected the input end of the first filtration module, the output terminal of described first filtration module is electrically connected the input end of the first signal amplification module, the input end of the output terminal electrical connection voltage-contrast module of described first signal amplification module, the output terminal of described magnetic field detection module is electrically connected the input end of the second filtration module, the input end of the output terminal electrical connection secondary signal amplification module of described second filtration module, the input end of the output terminal electrical connection magnetic field contrast module of described secondary signal amplification module, the output terminal of described magnetic field contrast module and voltage-contrast module is all electrically connected the input end of processor, the input end of the output terminal electrical connection feedback module of described processor, the input end of the output terminal electrical connection power-off modular of described feedback module, and the output terminal of the input end of processor electrical connection locating module, described processor is electrically connected with communication module is two-way, described communication module is electrically connected with wireless network module is two-way, described wireless network module is electrically connected with monitor terminal is two-way.
2. the anti-electricity-theft detection module of a kind of three-phase kilowatt-hour meter according to claim 1, is characterized in that: described three-phase current mutual inductance module comprises A phase mutual inductor, B phase mutual inductor and C phase mutual inductor.
3. the anti-electricity-theft detection module of a kind of three-phase kilowatt-hour meter according to claim 1, it is characterized in that: the input end of the output terminal electrical connection analog voltage threshold module of described processor, the input end of the output terminal electrical connection threshold voltage load module of described analog voltage threshold module, the input end of the output terminal electrical connection voltage-contrast module of described threshold voltage load module.
4. the anti-electricity-theft detection module of a kind of three-phase kilowatt-hour meter according to claim 1, it is characterized in that: the output terminal electrical connection magnetic field threshold values measurement module of described processor, the input end of the output terminal electrical connection magnetic field threshold values load module of described magnetic field threshold values measurement module, and the input end of the output terminal of magnetic field threshold values load module electrical connection magnetic field contrast module.
5. the anti-electricity-theft detection module of a kind of three-phase kilowatt-hour meter according to claim 1, is characterized in that: described monitor terminal is electrically connected with database is two-way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521013919.0U CN205193128U (en) | 2015-12-10 | 2015-12-10 | Anti -electricity -theft detection module of three -phase kilowatt -hour meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521013919.0U CN205193128U (en) | 2015-12-10 | 2015-12-10 | Anti -electricity -theft detection module of three -phase kilowatt -hour meter |
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| Publication Number | Publication Date |
|---|---|
| CN205193128U true CN205193128U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521013919.0U Expired - Fee Related CN205193128U (en) | 2015-12-10 | 2015-12-10 | Anti -electricity -theft detection module of three -phase kilowatt -hour meter |
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| CN (1) | CN205193128U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110221109A (en) * | 2019-06-17 | 2019-09-10 | 国家电网有限公司 | Thief-proof electricity detecting system and terminal device |
| US10656190B2 (en) | 2017-04-13 | 2020-05-19 | Oracle International Corporation | Non-parametric statistical behavioral identification ecosystem for electricity fraud detection |
-
2015
- 2015-12-10 CN CN201521013919.0U patent/CN205193128U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10656190B2 (en) | 2017-04-13 | 2020-05-19 | Oracle International Corporation | Non-parametric statistical behavioral identification ecosystem for electricity fraud detection |
| US10948526B2 (en) | 2017-04-13 | 2021-03-16 | Oracle International Corporation | Non-parametric statistical behavioral identification ecosystem for electricity fraud detection |
| CN110221109A (en) * | 2019-06-17 | 2019-09-10 | 国家电网有限公司 | Thief-proof electricity detecting system and terminal device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160427 Termination date: 20161210 |