CN201576030U - Electric energy metering box capable of preventing high-intensity magnetic electric larceny - Google Patents
Electric energy metering box capable of preventing high-intensity magnetic electric larceny Download PDFInfo
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- CN201576030U CN201576030U CN2009201810829U CN200920181082U CN201576030U CN 201576030 U CN201576030 U CN 201576030U CN 2009201810829 U CN2009201810829 U CN 2009201810829U CN 200920181082 U CN200920181082 U CN 200920181082U CN 201576030 U CN201576030 U CN 201576030U
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Abstract
The utility model discloses an electric energy metering box capable of preventing high-intensity magnetic electric larceny, which comprises a box body and a box cover articulated on the box body. The box cover can be closed and locked, and an electric energy meter is fixedly arranged on a bracket in the box body. A dry reed pipe which is connected on an alarm circuit and a tripping circuit is arranged on the bracket above and below the electric energy meter. The switching on/off of the alarm circuit and the tripping circuit is determined according to the switching on/off of the dry reed pipe. The electric energy metering box solves the problem that the present electric energy box capable of preventing electric larceny only can prevent electric larceny of an electric larcener on a line but cannot prevent the electric larcener from applying high-intensity magnetic interference near the electric energy meter so as to cause slow metering or non-metering of the electric energy meter. With simple structure, low production cost and convenient installation, the electric energy metering box is suitable for vast urban and rural electricity consumers.
Description
Technical field:
The utility model relates to a kind of electrical energy metering tank of anti-strong magnetic stealing.
Background technology:
Electricity is the industrial and agricultural production and the indispensable energy of people's daily life, and power supply department all is equipped with electric energy meter, so that reasonable fee for electric energy is accurately measured on the circuit of electricity consumer.But the only a few lawless person is arranged under the ordering about of interests, usually electric energy meter is juggled things, cause electric energy meter not change or slow-speed, to reach the purpose of stealing electric energy.In order to reduce the loss of national wealth, stop the generation of electricity filching behavior, power supply department adopts electric energy meter is placed in the Theft-proof kilowatt-hour meter case, make the lawless person can't touch electric energy meter, but this antitheft mode can only be stopped the purpose of electricity filching person stealing on the circuit of electric energy meter, adopts other means stealings but can not stop electricity filching person.As existing electric energy meter all is induction type and electronic type, it drives counting, current sampling, all too busy to get away electromagnetic component of braking Buddhist nun resistance, near the said elements of lawless person at electric energy meter of stealing, apply strong magnetic interference, then can cause electric energy meter to count slowly or do not measure.In the time of for example will placing near the rotation aluminium dish of induction table with the magnet of strong magnetic, slow-speed or stall will appear in electric energy meter; When magnet being placed near the stepper motor counter of electronic watch, stepper motor can't step-by-step counting because of being subjected to the outer effect of strengthening magnetic, causes electric energy meter to measure; When placing magnet near the current sampling device (CT) of multi-function wrist-instrument, because of the effect of high-intensity magnetic field can cause full the closing of the iron core height of current sampling device can't sensing sampling alternating signal, cause electric energy meter to be counted slowly or can not really reach thief-proof function.
Summary of the invention:
For overcoming the defective of prior art, the purpose of this utility model is to provide a kind of electrical energy metering tank of anti-strong magnetic stealing, solve present anti-electricity-theft ammeter box and can only stop electricity filching person stealing on the line, but can not stop electricity filching person and near ammeter, apply strong magnetic interference, cause ammeter to be counted slowly or non-metering problem; The utility model simple structure, production cost is low, and is easy for installation, is applicable to vast town and country electricity consumer.
The utility model technical solution problem adopts following technical scheme:
A kind of electrical energy metering tank of anti-strong magnetic stealing, comprise casing and be articulated on the casing can be closed and the case lid of locking, be installed with electric energy meter on the support in the described casing, support below reaching above the described electric energy meter is provided with tongue tube, and described tongue tube is connected on warning circuit and the trip circuit and determines the conducting/disconnection of described warning circuit and trip circuit with the on/off of described tongue tube.
Described warning circuit by power supply, be connected in the alarm on the circuit and two tongue tubes that are parallel on the circuit constitute, drive described alarm equipment alarm with the connection of described tongue tube; Described trip circuit is parallel to the two ends of described alarm, and described trip circuit is provided with the time relay.
When electricity filching person applies high-intensity magnetic field outside case, the tongue tube action, drive warning circuit, perhaps drive trip circuit, make common electrical energy metering tank possess anti-strong magnetic stealing function, can effectively prevent to count slowly or quantity calculation not, guarantee that thief-proof ammeter box can really reach thief-proof function, device not power consumption at ordinary times because of the interference that adds high-intensity magnetic field causes electric energy meter.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
Employing is installed tongue tube at the electric energy meter upper and lower of ammeter box, the warning circuit, the trip circuit that utilize tongue tube to drive.When electricity filching person applied high-intensity magnetic field outside case, the tongue tube action drove warning circuit, and then driving trip circuit, thereby avoided electric energy meter to be added the interference of high-intensity magnetic field, guaranteed the accurate measurement of electric energy meter, made thief-proof ammeter box can really reach anti-stealing electricity function.This device construction is simple, and production cost is low, and is easy for installation, is applicable to vast town and country electricity consumer.
Description of drawings:
Fig. 1 is the structural representation of the utility model ammeter box; Fig. 2 is the circuit structure diagram of embodiment 1; Fig. 3 is the circuit structure diagram of embodiment 2.
Number in the figure: 1 casing, 2 case lids, 3 supports, 4 tongue tubes, 5 alarms, 6 electric energy meters, 7 time relays, 8 load management terminals, 9 antennas.
Below pass through embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment:
Embodiment 1: in conjunction with Fig. 1, the electrical energy metering tank of the anti-strong magnetic stealing of present embodiment, comprise casing 1 and be articulated on the casing can be closed and the case lid 2 of locking, be installed with electric energy meter 6 on the support 3 in the described casing, support below reaching above the electric energy meter 6 is provided with tongue tube 4, and described tongue tube is connected on warning circuit and the trip circuit and determines the conducting/disconnection of described warning circuit and trip circuit with the on/off of described tongue tube.
In conjunction with Fig. 2, warning circuit by power supply, be connected in the alarm 5 on the circuit and two tongue tubes 4 that are parallel on the circuit constitute, alarm 5 is reported to the police when tongue tube 4 conductings, if electricity filching person is not withdrawn high-intensity magnetic field, the trip circuit conducting that then is parallel to the alarm two ends excites trip signal that electricity filching person is implemented outage, 7 time-lag actions of the time relay on the trip circuit.
Embodiment 2: in conjunction with Fig. 3, tongue tube 4 is parallel on the circuit, and this circuit inserts load management terminal 8, and the input of the signal of load management terminal activated when tongue tube was connected, this load management terminal sends signal by antenna 9 to the load management main website, and managerial personnel learn that promptly the user is in stealing; Simultaneously, load management terminal is connected trip circuit, and electricity filching person is implemented outage.
After the ammeter box of the anti-strong magnetic stealing of this band is installed tongue tube and warning circuit and trip circuit, when electricity filching person applies high-intensity magnetic field outside case, the tongue tube action, drive warning circuit, and then driving trip circuit, thereby avoided electric energy meter to be added the interference of high-intensity magnetic field, guaranteed the accurate measurement of electric energy meter, made thief-proof ammeter box can really reach anti-stealing electricity function.This device construction is simple, and production cost is low, and is easy for installation, is applicable to vast town and country electricity consumer.
Claims (2)
1. the electrical energy metering tank of an anti-strong magnetic stealing, comprise casing (1) and be articulated on the casing can be closed and the case lid (2) of locking, be installed with electric energy meter (6) on the support (3) in the described casing, it is characterized in that, support below reaching above the described electric energy meter is provided with tongue tube (4), and described tongue tube is connected on warning circuit and the trip circuit and determines the conducting/disconnection of described warning circuit and trip circuit with the on/off of described tongue tube.
2. the electrical energy metering tank of a kind of anti-strong magnetic stealing according to claim 1, it is characterized in that, described warning circuit by power supply, be connected in the alarm (5) on the circuit and two tongue tubes (4) of being parallel on the circuit constitute, drive described alarm equipment alarm with the connection of described tongue tube; Described trip circuit is parallel to the two ends of described alarm, and described trip circuit is provided with the time relay (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201810829U CN201576030U (en) | 2009-12-10 | 2009-12-10 | Electric energy metering box capable of preventing high-intensity magnetic electric larceny |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201810829U CN201576030U (en) | 2009-12-10 | 2009-12-10 | Electric energy metering box capable of preventing high-intensity magnetic electric larceny |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201576030U true CN201576030U (en) | 2010-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201810829U Expired - Fee Related CN201576030U (en) | 2009-12-10 | 2009-12-10 | Electric energy metering box capable of preventing high-intensity magnetic electric larceny |
Country Status (1)
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| CN (1) | CN201576030U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707108A (en) * | 2012-04-26 | 2012-10-03 | 河北省电力研究院 | Device and method resisting strong magnetic interference of electric energy meter |
| CN104252751A (en) * | 2013-06-26 | 2014-12-31 | 天津赛思科技发展有限公司 | Anti-magnetic-disturbance alarm device of power metering box |
| CN104916060A (en) * | 2015-04-30 | 2015-09-16 | 国家电网公司 | Alarm method for preventing power theft through strong magnetic field |
| CN105510662A (en) * | 2016-01-29 | 2016-04-20 | 国网山东省电力公司济阳县供电公司 | Multifunctional electric energy metering device |
| CN109462159A (en) * | 2018-11-09 | 2019-03-12 | 江西赣电电气有限公司 | A kind of anti-theft safe antitheft batch meter |
| CN113589010A (en) * | 2021-07-30 | 2021-11-02 | 万安裕高电子科技有限公司 | Intelligent ammeter capable of preventing strong magnetic interference |
-
2009
- 2009-12-10 CN CN2009201810829U patent/CN201576030U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707108A (en) * | 2012-04-26 | 2012-10-03 | 河北省电力研究院 | Device and method resisting strong magnetic interference of electric energy meter |
| WO2013159635A1 (en) * | 2012-04-26 | 2013-10-31 | 河北省电力公司电力科学研究院 | Strong magnetic interference prevention device for electric energy meter and method thereof |
| CN104252751A (en) * | 2013-06-26 | 2014-12-31 | 天津赛思科技发展有限公司 | Anti-magnetic-disturbance alarm device of power metering box |
| CN104916060A (en) * | 2015-04-30 | 2015-09-16 | 国家电网公司 | Alarm method for preventing power theft through strong magnetic field |
| CN105510662A (en) * | 2016-01-29 | 2016-04-20 | 国网山东省电力公司济阳县供电公司 | Multifunctional electric energy metering device |
| CN105510662B (en) * | 2016-01-29 | 2018-06-26 | 国网山东省电力公司济阳县供电公司 | A kind of multifunctional electric energy metering device |
| CN109462159A (en) * | 2018-11-09 | 2019-03-12 | 江西赣电电气有限公司 | A kind of anti-theft safe antitheft batch meter |
| CN113589010A (en) * | 2021-07-30 | 2021-11-02 | 万安裕高电子科技有限公司 | Intelligent ammeter capable of preventing strong magnetic interference |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100908 Termination date: 20111210 |