CN110865219A - Modularization electricity stealing prevention device suitable for low-voltage metering - Google Patents
Modularization electricity stealing prevention device suitable for low-voltage metering Download PDFInfo
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- CN110865219A CN110865219A CN201911257936.1A CN201911257936A CN110865219A CN 110865219 A CN110865219 A CN 110865219A CN 201911257936 A CN201911257936 A CN 201911257936A CN 110865219 A CN110865219 A CN 110865219A
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- 230000005611 electricity Effects 0.000 title claims abstract description 9
- 230000002265 prevention Effects 0.000 title abstract description 4
- 238000005259 measurement Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/24—Arrangements for avoiding or indicating fraudulent use
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- Physics & Mathematics (AREA)
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a modular electricity stealing prevention device suitable for low-voltage metering, which comprises a standard meter box, an integrated current transformer, an incoming line switch, an outgoing line switch and a three-phase electric energy meter, wherein the integrated current transformer, the incoming line switch, the outgoing line switch and the three-phase electric energy meter are all arranged in the standard meter box; according to the invention, the three-phase electric energy meter and the integrated current transformer can be quickly connected through the wiring module, wires do not need to be cut on site, the installation efficiency is greatly improved, wrong wiring is avoided, the daily on-site calibration is facilitated, and the protection capability of a secondary circuit is improved; meanwhile, the line loss of a power grid company is reduced, the cost of a production unit of the modular anti-electricity-stealing device is effectively reduced, and good economic benefits are achieved.
Description
Technical Field
The invention relates to an anti-electricity-stealing device, in particular to a modular anti-electricity-stealing device suitable for low-voltage metering.
Background
At present, an electric energy metering device with 380V power supply and a current transformer is connected with the electric energy meter and the current transformer together by adopting an electric energy metering combined junction box, dozens of wires with different lengths and thicknesses are required to be cut during field installation, and the wires are connected according to corresponding electrical rules. However, the working method is low in efficiency, the phenomenon of nonuniform and irregular wiring is caused by different skill levels of constructors, wrong wiring accidents are easy to occur, wiring is complex, the metering device is easy to tamper and damage due to the fact that the wiring is not easy to check, and hidden dangers are buried in safety production and economic losses are brought to power supply companies.
Therefore, there is a particular need for a modular anti-theft device suitable for low voltage metering that addresses the problems of the prior art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a modular electricity stealing prevention device suitable for low-voltage metering, which can be used for quickly connecting a three-phase electric energy meter and an integrated current transformer, improves the installation efficiency, avoids wrong wiring and facilitates daily field calibration.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a modularization anti-electricity-stealing device suitable for low-voltage measurement, includes standard table case, integral type current transformer, inlet wire switch, the switch of being qualified for the next round of competitions and three-phase electric energy meter all set up in standard table incasement, inlet wire switch, integral type current transformer and the switch of being qualified for the next round of competitions connect gradually, its characterized in that still includes the module of working a telephone switchboard, three-phase electric energy meter is connected.
In order to further realize the invention, the integrated current transformer is provided with an output terminal, and the three-phase electric energy meter is provided with an input terminal.
In order to further realize the invention, the two ends of the wiring module are provided with terminal boxes, and the terminal boxes at the two ends are respectively connected with the output terminal and the input terminal.
In order to further realize the invention, the output arrangement of the output terminals and the input terminals is Ia, Ua, Ia, Ib, Ub, Ib, Ic, Uc, Ic and Un.
In order to further implement the invention, the terminals of the terminal box are arranged in the order Ia, Ua, Ia, Ib, Ub, Ib, Ic, Uc, Ic, Un.
In order to further realize the invention, the incoming line switch, the integrated current transformer and the outgoing line switch are connected through a main cable in sequence, and the integrated current transformer adopts a puncture wire clamp to puncture the main cable to obtain voltage.
Advantageous effects
According to the invention, the three-phase electric energy meter and the integrated current transformer can be quickly connected through the wiring module, wires do not need to be cut on site, the installation efficiency is greatly improved, wrong wiring is avoided, the daily on-site calibration is facilitated, and the protection capability of a secondary circuit is improved; meanwhile, the line loss of a power grid company is reduced, the cost of a production unit of the modular anti-electricity-stealing device is effectively reduced, and good economic benefits are achieved.
Drawings
FIG. 1 is a schematic connection diagram of the present invention;
FIG. 2 is a schematic structural view of the piercing clip of the present invention;
FIG. 3 is a schematic diagram of the structure of the input terminal and the output terminal of the present invention;
fig. 4 is a schematic structural view of the terminal box of the present invention.
Description of reference numerals:
1. a standard meter box; 2. an integrated current transformer; 3. a wiring module; 31. a terminal box; 4. an incoming line switch; 5. a wire outlet switch; 6. three-phase electric energy meter.
Detailed Description
The invention will be described in further detail below with reference to the accompanying drawings, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner.
Example one
As shown in fig. 1-4, the modular anti-electricity-stealing device suitable for low-voltage metering of the present invention includes a standard meter box 1, an integrated current transformer 2, a wiring module 3, an incoming line switch 4, an outgoing line switch 5 and a three-phase electric energy meter 6, wherein:
the standard meter box 1 is a meter box meeting the power grid standard, and the integrated current transformer 2, the wiring module 3, the incoming line switch 4, the outgoing line switch 5 and the three-phase electric energy meter 6 are all arranged in the standard meter box 1.
The incoming line switch 4, the integrated current transformer 2 and the outgoing line switch 5 are connected through a main cable in sequence, the integrated current transformer 2 is formed by combining A, B, C three-phase current transformers, referring to fig. 2, the integrated current transformer 2 directly pierces the main cable in a piercing wire clamp mode to obtain voltage, an output terminal is arranged on the integrated current transformer 2 and used for voltage and current signal output and communication of the integrated current transformer 2, referring to fig. 3, the output arrangement of the output terminal is Ia, Ua, Ia, Ib, Ub, Ib, Ic, Uc and in sequence.
The three-phase electric energy meter 6 is provided with input terminals for voltage and current signal output and communication of the three-phase electric energy meter 6, and referring to fig. 3, the output arrangement of the input terminals is Ia, Ua, Ia, Ib, Ub, Ib, Ic, Uc, Ic, Un in order.
The three-phase electric energy meter 6 is connected with the integrated current transformer 2 through the wiring module 3, the two ends of the wiring module 3 are provided with terminal boxes 31, the terminal boxes 31 at the two ends are respectively connected with an output terminal and an input terminal, referring to fig. 4, the terminals of the terminal boxes 31 are sequentially arranged into Ia, Ua, Ia, Ib, Ub, Ib, Ic, Uc, Ic and Un, and are consistent with the output terminal of the integrated current transformer 2 and the input terminal of the three-phase electric energy meter 6, the terminal boxes 31 at the two ends are connected by a multi-core cable, and the multi-core cable is used for connecting the terminals corresponding to the terminal boxes 31 at the two ends together (Ia at one end is connected with Ia at the other end, Ua at one end is connected with Ua at the other end, and so on); the distance between the binding posts is consistent with the distance between the output terminals of the integrated current transformer 2 and the input terminals of the three-phase electric energy meter 6.
When the device is manufactured, the integrated current transformer, the incoming line switch, the outgoing line switch and the three-phase electric energy meter are respectively installed at the preset installation positions of the meter box; two ends of the wiring module are respectively inserted into the wiring positions of the three-phase electric energy meter and the integrated current transformer and locked; the main cable is connected to the front end of the outgoing switch from the rear end of the incoming switch through the integrated current transformer, and the cable is locked by the puncture wire clamp on the integrated current transformer.
When the device is used, the front end of the incoming line switch is connected to a public power grid through a cable, and the rear end of the outgoing line switch is connected to a load of a user through the cable to be normally used.
According to the invention, the three-phase electric energy meter and the integrated current transformer can be quickly connected through the wiring module, wires do not need to be cut on site, the installation efficiency is greatly improved, wrong wiring is avoided, the daily on-site calibration is facilitated, and the protection capability of a secondary circuit is improved; meanwhile, the line loss of a power grid company is reduced, the cost of a production unit of the modular anti-electricity-stealing device is effectively reduced, and good economic benefits are achieved.
The above description is only a preferred embodiment of the present invention, the present invention is not limited to the above embodiment, and there may be some slight structural changes in the implementation, and if there are various changes or modifications to the present invention without departing from the spirit and scope of the present invention, and within the claims and equivalent technical scope of the present invention, the present invention is also intended to include those changes and modifications.
Claims (6)
1. The utility model provides a modularization anti-electricity-stealing device suitable for low-voltage measurement, includes standard table case, integral type current transformer, inlet wire switch, the switch of being qualified for the next round of competitions and three-phase electric energy meter all set up in standard table incasement, inlet wire switch, integral type current transformer and the switch of being qualified for the next round of competitions connect gradually, its characterized in that still includes the module of working a telephone switchboard, three-phase electric energy meter is connected.
2. The modular device for deterring theft of electricity for low voltage metering of claim 1 wherein the integral current transformer has output terminals and the three phase power meter has input terminals.
3. The modular electricity stealing device according to claim 2, wherein the junction module is provided with terminal boxes at both ends, and the terminal boxes at both ends are respectively connected with the output terminal and the input terminal.
4. The modular electricity stealing device of claim 3, wherein the outputs of the input and output terminals are arranged in a pattern Ia, Ua, Ia, Ib, Ub, Ib, Ic, Uc, Ic, Un.
5. The modular device for deterring theft of electricity for utility under low voltage metering of claim 4 wherein the terminals of the terminal block are arranged in sequence Ia, Ua, Ia, Ib, Ub, Ib, Ic, Uc, Ic, Un.
6. The modular electricity stealing device suitable for low-voltage metering according to claim 1, wherein the incoming switch, the integrated current transformer and the outgoing switch are connected sequentially through a main cable, and the integrated current transformer uses a piercing wire clamp to pierce the main cable to obtain voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911257936.1A CN110865219A (en) | 2019-12-10 | 2019-12-10 | Modularization electricity stealing prevention device suitable for low-voltage metering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911257936.1A CN110865219A (en) | 2019-12-10 | 2019-12-10 | Modularization electricity stealing prevention device suitable for low-voltage metering |
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| Publication Number | Publication Date |
|---|---|
| CN110865219A true CN110865219A (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911257936.1A Pending CN110865219A (en) | 2019-12-10 | 2019-12-10 | Modularization electricity stealing prevention device suitable for low-voltage metering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311207A (en) * | 2021-06-21 | 2021-08-27 | 广东电网有限责任公司 | Anti-electricity-theft metering device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050060107A1 (en) * | 2003-09-16 | 2005-03-17 | Rodenberg Ernest Adolph | Programmable electricity consumption monitoring system and method |
| CN2911699Y (en) * | 2005-07-19 | 2007-06-13 | 董庆陆 | Bundled inserting, watt-hour metering and electricity embezzling-proof device |
| CN203396805U (en) * | 2013-06-25 | 2014-01-15 | 山东亿玛信诺电气有限公司 | Low voltage electricity stealing prevention special measurement box |
| CN205091392U (en) * | 2015-09-10 | 2016-03-16 | 山东亿玛信诺电气有限公司 | Three -phase equilibrium low -pressure measurement device |
| CN109900938A (en) * | 2017-12-08 | 2019-06-18 | 西安富邦科技实业有限公司 | A kind of dynamic slotting formula socket of transmission line of electricity |
| CN211235980U (en) * | 2019-12-10 | 2020-08-11 | 广东电网有限责任公司汕尾供电局 | Modularization electricity stealing prevention device suitable for low-voltage metering |
-
2019
- 2019-12-10 CN CN201911257936.1A patent/CN110865219A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050060107A1 (en) * | 2003-09-16 | 2005-03-17 | Rodenberg Ernest Adolph | Programmable electricity consumption monitoring system and method |
| CN2911699Y (en) * | 2005-07-19 | 2007-06-13 | 董庆陆 | Bundled inserting, watt-hour metering and electricity embezzling-proof device |
| CN203396805U (en) * | 2013-06-25 | 2014-01-15 | 山东亿玛信诺电气有限公司 | Low voltage electricity stealing prevention special measurement box |
| CN205091392U (en) * | 2015-09-10 | 2016-03-16 | 山东亿玛信诺电气有限公司 | Three -phase equilibrium low -pressure measurement device |
| CN109900938A (en) * | 2017-12-08 | 2019-06-18 | 西安富邦科技实业有限公司 | A kind of dynamic slotting formula socket of transmission line of electricity |
| CN211235980U (en) * | 2019-12-10 | 2020-08-11 | 广东电网有限责任公司汕尾供电局 | Modularization electricity stealing prevention device suitable for low-voltage metering |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311207A (en) * | 2021-06-21 | 2021-08-27 | 广东电网有限责任公司 | Anti-electricity-theft metering device |
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