CN200976018Y - Intelligent anti-electricity stolen kilowatt meter - Google Patents
Intelligent anti-electricity stolen kilowatt meter Download PDFInfo
- Publication number
- CN200976018Y CN200976018Y CN 200620048582 CN200620048582U CN200976018Y CN 200976018 Y CN200976018 Y CN 200976018Y CN 200620048582 CN200620048582 CN 200620048582 CN 200620048582 U CN200620048582 U CN 200620048582U CN 200976018 Y CN200976018 Y CN 200976018Y
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Abstract
The utility model discloses an intelligent anti-electricity theft electric energy meter, comprising an electric power source module, an electricity current signal acquisition unit, a voltage signal acquisition unit, an electric energy measure module, a data processing module, wherein, a relay is connected in series on phase lines, and a relay control module is arranged between the data processing module and the relay. The relay is a magnetic latching relay. In use, when the zero line is cut off and electricity is stolen, the situation of electricity use is measured by the data processing module, control signals are output before the electric energy meter is worked, the module is controlled by power amplification using the relay, the open and closed point of the relay is controlled, the current circuit of the phase lines is cut, preventing the stealing of electricity. The utility model is characterized in that the structure is simple, and the cost is low, which is efficient to prevent the stealing of electricity.
Description
Technical field
The utility model relates to a kind of tolerance instrument, relates in particular to a kind of electric energy meter.
Background technology
The application of electric energy also more and more widely, and the security of the tolerance instrument of using as electric energy also receives insider's concern.
The input of electric energy meter, output line comprise phase line and zero line, have some lawless persons then to utilize the cut-out zero line to connect the earth, electric energy meter is quit work, but electric current enter the user in the same old way, reach the purpose of stealing with this.And at present this type of electricity filching behavior is not still had a kind of watch-dog timely, can't in time stop these lawbreaking activitiess.
Summary of the invention
Technical problem to be solved in the utility model is that a kind of intelligent electricity anti-theft electric energy meter will be provided, in case the zero line of electric energy meter is cut off, electric energy meter can cut off user's transmitting loop automatically, thereby prevents stealing.
For solving the problems of the technologies described above, intelligent electricity anti-theft electric energy meter of the present utility model, comprise power module, current signal collecting unit, voltage signal acquisition unit, electric energy metrical module, data processing module, series connection is provided with relay on phase line, is provided with relay control module between data processing module and relay.
Described relay can adopt magnetic latching relay.
The current signal collecting unit becomes the treatable little electric current of electronic circuit (a few mA) in proportion with tested electric current (several peaces, tens peaces), and the voltage signal acquisition unit becomes the treatable low-voltage of electronic circuit (several V, tens mV) in proportion with tested voltage (tens volts, a few hectovolt); The electric energy metrical module is measured user's electric power; Data processing module can add up electric energy, received current, voltage acquisition signal, and export control signal to relay control module according to setting value; When disconnected zero line stealing situation takes place, voltage change data processing module behind voltage acquisition signal that has compared input and preset value to relay control module output control signal, enter electric loop through power amplification pilot relay disconnect user, stop its stealing; When replying normal condition, data processing module sends relay closure signal, relay contact ammeter closure, electric energy meter operate as normal.Relay adopts magnetic latching relay, and magnetic latching relay is controlled its on off operating mode with positive and negative pulse, and its feature is: reliable in action, and contact pressure is big, and contact resistance is little, and temperature rise is low, is fit to the long-term work of the big load of band.The utility model is simple in structure, with low cost, and obvious to the preventive and therapeutic effect of this type of illegal stealing.
Description of drawings
Fig. 1 is the electrical block diagram of the utility model intelligent electricity anti-theft electric energy meter;
Among the figure: 1. current signal collecting unit 2. voltage signal acquisition unit
3. power module 4. electric energy metrical modules
5. data processing module 6. relay control module
7. relay
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and exemplary embodiments.
Fig. 1 shows intelligent electricity anti-theft electric energy meter of the present utility model, comprise current signal collecting unit 1, voltage signal acquisition unit 2, power module 3, electric energy metrical module 4, data processing module 5, series connection is provided with relay 7 on phase line, be provided with relay control module 6 between data processing module 5 and relay 7, relay 7 adopts magnetic latching relay.
During work, when the user cuts off zero line ground connection, owing to lose voltage difference in the electric energy meter, data processing module 5 determines down electric situation, before not working, sends by electric energy meter the relay cut-off signal, be input to relay control module 6 through power amplification, pilot relay 7 break contacts cut off user's current return.
Claims (2)
1. intelligent electricity anti-theft electric energy meter, comprise power module (3), current signal collecting unit (1), voltage signal acquisition unit (2), electric energy metrical module (4), data processing module (5), it is characterized in that: series connection is provided with relay (7) on phase line, is provided with relay control module (6) between data processing module (5) and relay (7).
2. intelligent electricity anti-theft electric energy meter according to claim 1 is characterized in that described relay (7) adopts magnetic latching relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048582 CN200976018Y (en) | 2006-12-05 | 2006-12-05 | Intelligent anti-electricity stolen kilowatt meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048582 CN200976018Y (en) | 2006-12-05 | 2006-12-05 | Intelligent anti-electricity stolen kilowatt meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200976018Y true CN200976018Y (en) | 2007-11-14 |
Family
ID=38902302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620048582 Expired - Lifetime CN200976018Y (en) | 2006-12-05 | 2006-12-05 | Intelligent anti-electricity stolen kilowatt meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200976018Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346208A (en) * | 2010-07-30 | 2012-02-08 | 上海资和通信科技有限公司 | Electricity steal-resistant system |
| CN102298082B (en) * | 2009-03-10 | 2014-08-13 | 吴嘉懿 | Electricity-stealing prevention electric energy meter |
| CN104237590A (en) * | 2014-09-26 | 2014-12-24 | 国家电网公司 | Active electricity larceny prevention device and method aiming at magnetic electricity larceny compensation metering |
| CN105954555A (en) * | 2016-07-21 | 2016-09-21 | 广东电网有限责任公司江门供电局 | Method and device for detecting null line break-off electricity stealing |
| CN112067891A (en) * | 2020-09-02 | 2020-12-11 | 成都长城开发科技有限公司 | Electric quantity metering circuit and ammeter |
-
2006
- 2006-12-05 CN CN 200620048582 patent/CN200976018Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298082B (en) * | 2009-03-10 | 2014-08-13 | 吴嘉懿 | Electricity-stealing prevention electric energy meter |
| CN102346208A (en) * | 2010-07-30 | 2012-02-08 | 上海资和通信科技有限公司 | Electricity steal-resistant system |
| CN104237590A (en) * | 2014-09-26 | 2014-12-24 | 国家电网公司 | Active electricity larceny prevention device and method aiming at magnetic electricity larceny compensation metering |
| CN104237590B (en) * | 2014-09-26 | 2018-01-12 | 国家电网公司 | A kind of active anti-electricity-theft device and the method for strong magnetic stealing compensation measurement |
| CN105954555A (en) * | 2016-07-21 | 2016-09-21 | 广东电网有限责任公司江门供电局 | Method and device for detecting null line break-off electricity stealing |
| CN112067891A (en) * | 2020-09-02 | 2020-12-11 | 成都长城开发科技有限公司 | Electric quantity metering circuit and ammeter |
| CN112067891B (en) * | 2020-09-02 | 2023-09-08 | 成都长城开发科技股份有限公司 | Electric quantity metering circuit and ammeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071114 |
|
| EXPY | Termination of patent right or utility model |