CN106405178A - Electricity larceny prevention device for electric energy meter measuring box - Google Patents
Electricity larceny prevention device for electric energy meter measuring box Download PDFInfo
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- CN106405178A CN106405178A CN201510464897.8A CN201510464897A CN106405178A CN 106405178 A CN106405178 A CN 106405178A CN 201510464897 A CN201510464897 A CN 201510464897A CN 106405178 A CN106405178 A CN 106405178A
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- electric energy
- energy meter
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- electricity
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Abstract
The invention discloses an electricity larceny prevention device for an electric energy meter measuring box. The electricity larceny prevention device comprises a circuit breaker, an electric energy meter, a controller, and a first current transformer. The circuit breaker comprises a first circuit breaker, a second circuit breaker and a third circuit breaker. The electric energy meter is connected to the first circuit breaker and the second circuit breaker and the electric energy meter is connected with the controller through an RS485 bus. The first current transformer is installed on a live wire between the electric energy meter and the second circuit breaker. The output of the first current transformer is connected to the controller, and the controller is connected to a power source through the third circuit breaker. The electricity larceny prevention device is characterized in that the current transformer is installed on the live wire of the electric energy meter and the user's entry line, and the controller compares the current of the current transformer with the current of the electric energy meter to judge whether the user is stealing power so as to rapidly detect electricity larceny and erroneous line connection in line installation, o prevent theft fundamentally, and to ensure safe use of electricity.
Description
Technical field
The present invention relates to box of electric energy meter detection technique field, more particularly to one kind are used for electric energy meter
The anti-electricity-theft device of batch meter.
Background technology
Ammeter box is the protection device of ammeter, municipal administration, cell, telecommunications, electric power, rural power grids, factory,
The place of the public utilities such as enterprise, office, heating power, fire-fighting is accomplished by installing ammeter.In recent years, state
Family increases the dynamics that power infrastructures are invested and the quickening of Development of Urbanization, and country is to public utility
Input greatly, the upgrading of rural power grids, urban renewal and newly-built electric wire, cable, the transformation of metal ammeter box
Deng.But the shell of existing ammeter box easily causes destruction, thus causing a lot of electricity filching behaviors
Occur, cause bad social phenomenon.The box of electric energy meter of existing below 400V is in casing
Structure on carry out anti-electricity-theft protection, real-time detection can not be carried out to electricity filching behavior at all.
Content of the invention
The purpose of the present invention, in order to solve the anti-electricity-theft problem of box of electric energy meter, provides one kind to be used for electric energy
The anti-electricity-theft device of meter measuring tank, this device passes through to pacify on the live wire with service-wire end for the electric energy meter
Equipped with current transformer, controller passes through the electric current pair in the detection electric current and electric energy meter of current transformer
Than thus judging user's whether stealing, can effectively detecting ammeter box stealing it is ensured that Electrical Safety.
The required technical problem solving of the present invention can be achieved through the following technical solutions：
A kind of anti-electricity-theft device for box of electric energy meter, including casing, is provided with described casing
Breaker and electric energy meter, are also equipped with controller, the first current transformer, and described breaker includes
One breaker, the second breaker, the 3rd breaker, described electric energy meter respectively with the first breaker,
Two breakers are connected, and described electric energy meter is connected with controller by RS485 bus, described first electric current
Transformer is arranged on the live wire between electric energy meter and the second breaker, described first current transformer
Output is connected with controller, and described controller is connected with power supply by the 3rd breaker.
Further, the live wire between described electric energy meter and the second breaker is provided with temperature sensor.
Further, the output of described temperature sensor is connected with controller.
Further, the zero line between described electric energy meter and the second breaker is provided with the second electric current mutual
Sensor.
Further, the output of described second current transformer is connected with controller.
Further, the core of described controller is single-chip microcomputer.
Further, described single-chip microcomputer is STC89C51.
Further, described controller is provided with alarm.
Beneficial effects of the present invention：A kind of anti-electricity-theft device for box of electric energy meter, this device leads to
Cross, on the live wire with service-wire end for the electric energy meter, current transformer is installed, controller passes through electric current
The current vs of detection electric current and the electric energy meter of transformer, thus judging user's whether stealing, can be fast
When speed detection user's stealing and circuit are installed, the problem of wrong circuit, fundamentally prevents stealing, really
Protect Electrical Safety.
Brief description
Fig. 1 is anti-electricity-theft device structure chart of the present invention；
Related components symbol description：
1st, the first circuit breaker Q F1；2nd, the second circuit breaker Q F2；3rd, electric energy meter kwh；4th, controller；
5th, the first current transformer TA1；6th, the second current transformer TA2；7th, temperature sensor TC；8、
3rd circuit breaker Q F3.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention realizes are readily apparent from
Understand, with reference to being specifically illustrating, the present invention is expanded on further.
When being embodied as, in conjunction with Fig. 1, a kind of anti-electricity-theft device for box of electric energy meter, including
Casing, be provided with casing 1 first circuit breaker Q F1,2 second circuit breaker Q F2,3 electric energy meter kwh,
4 controllers, 5 first current transformer TA1,6 second current transformer TA2,7 temperature sensors
TC, 8 the 3rd circuit breaker Q F3.Electric energy meter kwh respectively with the first circuit breaker Q F1, the second circuit breaker Q F2
It is connected.First circuit breaker Q F1 is the inlet wire end switch of electric energy meter, and the second circuit breaker Q F2 is electric energy meter
Outlet end switch, the second circuit breaker Q F2 is also the switch of the house lead in line end of user simultaneously.Electric energy meter
Kwh is connected with controller by RS485 bus, and the data of electric energy meter can be passed by RS485 bus
Pass controller.First electric current is provided with the live wire between electric energy meter kwh and the second circuit breaker Q F2
Transformer TA1, the first current transformer TA1 are used for detecting the electric current of service-wire, the first electric current
The output of transformer TA1 is connected with controller and current detection signal is passed to controller.Controller
It is connected with power supply by the 3rd circuit breaker Q F3.
Temperature in order to realize the house lead in user detects, electric energy meter kwh and second breaks
Temperature sensor TC, the output of temperature sensor TC and control are provided with the live wire between the device QF2 of road
Device processed is connected.Leakage current in order to realize the house lead in user detects, electric energy meter kwh
Second current transformer TA2 is provided with the zero line and the second circuit breaker Q F2 between, the second electric current is mutual
The output of sensor TA2 is connected with controller.Service-wire is entered with trip temperature and leakage current test, can
To improve the reliability and stability of safety utilization of electric power, significantly reduce the incidence of electrical fire.
The core of controller can be single-chip microcomputer, and single-chip microcomputer can be STC89C51.Simultaneously on controller
Alarm is installed, when controller detects user's stealing, controller can send alarm signal.
A kind of anti-electricity-theft device for box of electric energy meter, this device is by entering with user in electric energy meter
Current transformer is provided with the live wire of family line end, controller by the detection electric current of current transformer with
The current vs of electric energy meter, thus judging user's whether stealing, can with quick detection user's stealing and
The problem of wrong circuit when circuit is installed, fundamentally prevents stealing it is ensured that Electrical Safety.
General principle, principal character and the advantages of the present invention of the present invention have been shown and described above.This
The technical staff of industry it should be appreciated that the present invention is not restricted to the described embodiments, above-described embodiment and
Merely illustrating the principles of the invention described in specification, before without departing from spirit and scope of the invention
Put the present invention and also have various changes and modifications, these changes and improvements both fall within claimed basis
In invention scope.Claimed scope is defined by appending claims and its equivalent.
Claims (8)
1. a kind of anti-electricity-theft device for box of electric energy meter, including casing, described casing
Breaker and electric energy meter are inside installed it is characterised in that：Also installation controller, the first electric current are mutual
Sensor, described breaker includes the first breaker, the second breaker, the 3rd breaker, described
Electric energy meter is connected with the first breaker, the second breaker respectively, and described electric energy meter passes through RS485
Bus is connected with controller, and described first current transformer is arranged on electric energy meter and the second breaker
Between live wire on, the output of described first current transformer is connected with controller, described control
Device is connected with power supply by the 3rd breaker.
2. according to a kind of anti-electricity-theft device for box of electric energy meter described in claim 1,
On live wire between described electric energy meter and the second breaker, temperature sensor is installed.
3. according to a kind of anti-electricity-theft device for box of electric energy meter described in claim 2,
The output of described temperature sensor is connected with controller.
4. according to a kind of anti-electricity-theft device for box of electric energy meter described in claim 1,
Second current transformer is provided with the zero line between described electric energy meter and the second breaker.
5. according to a kind of anti-electricity-theft device for box of electric energy meter described in claim 4,
The output of described second current transformer is connected with controller.
6. according to a kind of anti-electricity-theft device for box of electric energy meter described in claim 1,
The core of described controller is single-chip microcomputer.
7. according to a kind of anti-electricity-theft device for box of electric energy meter described in claim 6,
Described single-chip microcomputer is STC89C51.
8. according to a kind of anti-electricity-theft device for box of electric energy meter described in claim 1,
On described controller, alarm is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464897.8A CN106405178A (en) | 2015-07-30 | 2015-07-30 | Electricity larceny prevention device for electric energy meter measuring box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464897.8A CN106405178A (en) | 2015-07-30 | 2015-07-30 | Electricity larceny prevention device for electric energy meter measuring box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106405178A true CN106405178A (en) | 2017-02-15 |
Family
ID=58007293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510464897.8A Pending CN106405178A (en) | 2015-07-30 | 2015-07-30 | Electricity larceny prevention device for electric energy meter measuring box |
Country Status (1)
| Country | Link |
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| CN (1) | CN106405178A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975588A (en) * | 2019-04-30 | 2019-07-05 | 国网冀北电力有限公司唐山供电公司 | A kind of three-phase five-wire mode rural area anti-electricity-theft device and method |
| CN111024995A (en) * | 2019-11-26 | 2020-04-17 | 国网山东省电力公司潍坊供电公司 | Novel anti-electricity-theft ammeter case |
| CN111983276A (en) * | 2020-07-01 | 2020-11-24 | 宁波三星医疗电气股份有限公司 | Electricity stealing prevention method for double-loop electric energy meter |
| CN112684232A (en) * | 2021-02-01 | 2021-04-20 | 宁夏隆基宁光仪表股份有限公司 | Intelligent ammeter capable of preventing electricity theft |
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| CN104133089A (en) * | 2014-08-15 | 2014-11-05 | 国网上海市电力公司 | Single-phase and four-meter-position electric energy metering box |
| CN204066257U (en) * | 2014-09-16 | 2014-12-31 | 河北三环电器设备有限公司 | Integral remote low-voltage pre-paid measuring box equipment |
| CN204287276U (en) * | 2014-12-09 | 2015-04-22 | 北京华远达电气设备有限公司 | New Low Voltage batch meter |
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| JP2007248221A (en) * | 2006-03-15 | 2007-09-27 | Yamatake Corp | Thermal type flowmeter |
| CN102621363A (en) * | 2012-03-30 | 2012-08-01 | 上海市电力公司 | Intelligent single-phase electrical energy metering tank |
| CN202939190U (en) * | 2012-11-29 | 2013-05-15 | 陕西畅熙实业有限公司 | Watt-hour meter reading collection and automatic monitoring device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975588A (en) * | 2019-04-30 | 2019-07-05 | 国网冀北电力有限公司唐山供电公司 | A kind of three-phase five-wire mode rural area anti-electricity-theft device and method |
| CN109975588B (en) * | 2019-04-30 | 2023-12-05 | 国网冀北电力有限公司唐山供电公司 | Three-phase five-wire system rural area electricity larceny prevention device and method |
| CN111024995A (en) * | 2019-11-26 | 2020-04-17 | 国网山东省电力公司潍坊供电公司 | Novel anti-electricity-theft ammeter case |
| CN111983276A (en) * | 2020-07-01 | 2020-11-24 | 宁波三星医疗电气股份有限公司 | Electricity stealing prevention method for double-loop electric energy meter |
| CN112684232A (en) * | 2021-02-01 | 2021-04-20 | 宁夏隆基宁光仪表股份有限公司 | Intelligent ammeter capable of preventing electricity theft |
| CN112684232B (en) * | 2021-02-01 | 2022-03-25 | 宁夏隆基宁光仪表股份有限公司 | Intelligent ammeter capable of preventing electricity theft |
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Application publication date: 20170215 |
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