CN205229233U - Quick simple and easy mutual -inductor and electric energy meter connecting circuit - Google Patents
Quick simple and easy mutual -inductor and electric energy meter connecting circuit Download PDFInfo
- Publication number
- CN205229233U CN205229233U CN201521098257.1U CN201521098257U CN205229233U CN 205229233 U CN205229233 U CN 205229233U CN 201521098257 U CN201521098257 U CN 201521098257U CN 205229233 U CN205229233 U CN 205229233U
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- electric energy
- energy meter
- socket
- current transformer
- connecting circuit
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Abstract
The utility model discloses a quick simple and easy mutual -inductor and electric energy meter connecting circuit, including electric energy meter, three -phase current transformer, RJ45 socket, net twine and quartzy head, all adopt the RJ45 socket as output, input interface in three -phase current transformer and the electric energy meter, the pin that the line connection corresponds to the RJ45 socket is walked to three -phase current transformer's voltage signal output line through inside on, the line connection is also walked to the corresponding pin of RJ45 socket through electric on the internal circuit board to the three phase current sampling input line of electric energy meter. The utility model discloses quick simple and easy mutual -inductor and electric energy meter connecting circuit can improve the signal and at the anti -interference ability of transmission course, simplify electrical connection between them operation simultaneously in the current transformer that realizes essential voltage output type and the electrical connection's of electric energy meter function, is favorable to on -the -spot wiring installation, reduces the installation degree of difficulty, improves the success rate.
Description
Technical field
The utility model relates to a kind of power instrument detection field, specifically a kind of fast simple mutual inductor and electric energy meter connecting circuit.
Background technology
In the invention of existing similar technique, the form of what traditional wide range electric energy meter adopted is external impressed current mutual inductor, completes current sample, realizes the measurement function of electrical quantity.But in such invention, the electrical connection of electric energy meter and current transformer, employing be the parallel lines of multiple twin line or belt screen layer, by stubborn line mode, access connection terminal, the electrical connection of both realizations.Adopt this kind of electrical connection, add the connection work of electric wire, especially in the application of three-phase electric energy meter, the wiring of mutual inductor increases greatly, now increases the error rate of wiring, causes the unnecessary waste of resource.Although have now part electric energy meter on the market with the electrical connection of mutual inductor, adopt the mode of connection of plug-in, thoroughly do not solve the shortcoming that wiring is loaded down with trivial details and easily make mistakes.
Utility model content
The purpose of this utility model is to provide a kind of fast simple mutual inductor and electric energy meter connecting circuit, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of fast simple mutual inductor and electric energy meter connecting circuit, comprise electric energy meter, threephase current transformer, RJ45 socket, netting twine and crystal head, all adopt RJ45 socket as output, input interface in described threephase current transformer and electric energy meter, the voltage signal output line of threephase current transformer is connected on pin corresponding to RJ45 socket by inner cabling, and the three-phase current sampling input line of electric energy meter is also connected on pin corresponding to RJ45 socket by the electrical traces on internal circuit board.
As preferred version of the present utility model: the RJ45 socket of described electric energy meter is connected by netting twine with the RJ45 socket of threephase current transformer.
Compared with prior art, the beneficial effects of the utility model are: the mutual inductor that the utility model is fast simple and electric energy meter connecting circuit are realizing the electrical connection of basic voltage output type mutual inductor and electric energy meter functionally, the interference free performance of signal in transmitting procedure can be improved, simplify both electrical connection operations simultaneously, be conducive to on-the-spot wiring to install, reduce installation difficulty, improve success ratio.
Accompanying drawing explanation
Fig. 1 is the annexation figure of fast simple mutual inductor and electric energy meter connecting circuit;
Fig. 2 is the interface schema of RJ45;
In Fig. 1: 1-threephase current transformer; 2-electric energy meter; 3-RJ45 socket; 4-netting twine; 5-crystal head.
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. 1,2, a kind of fast simple mutual inductor and electric energy meter connecting circuit, comprise electric energy meter 2, threephase current transformer 1, RJ45 socket 3, netting twine 4 and crystal head 5, all adopt RJ45 socket 3 as output, input interface in described threephase current transformer 1 and electric energy meter 2, the voltage signal output line of threephase current transformer 1 is connected to by inner cabling on the pin of RJ45 socket 3 correspondence, and the three-phase current sampling input line of electric energy meter 2 is also connected to by the electrical traces on internal circuit board on the pin of RJ45 socket 3 correspondence.
The netting twine 4 that the RJ45 socket of electric energy meter 2 is connected to crystal head 5 with the RJ45 socket of threephase current transformer 1 by two ends is connected.
Principle of work of the present utility model is: the utility model all adopts RJ45 socket as output, input interface in mutual inductor and electric energy meter, wherein in mutual inductor part, pinout as shown in Figure 2, the voltage signal output line of threephase current transformer 1 is connected on the pin of RJ45 socket 3 correspondence, electric energy meter 2 part also adopts RJ45 socket 3 simultaneously, and input line of being sampled by three-phase current is connected on pin corresponding to RJ45 socket; Utilize netting twine 4 and crystal head 5, an electrical cable is made in the mode of parallel lines, as long as the netting twine made to be inserted respectively the RJ45 socket 3 of mutual inductor 1 and electric energy meter 2 correspondence in the installation process of electric energy meter and mutual inductor, the electrical connection of needs can be completed.
The purpose of this utility model is to provide a kind of fast simple electrical connection methods, for connecting current transformer 1 and electric energy meter 2.This electric interfaces adopts conventional RJ45 interface as connectivity port, uses netting twine as electrical cable.Electric energy meter and mutual inductor all adopt RJ45 base as electrical outlets, netting twine and crystal head is used to make electrical cable, standard wiring due to RJ45 has 8 lines, therefore, it is possible to meet the electrical connection of a threephase current transformer, the connected mode of the type both facilitated terminal block, was not easy again to make mistakes, and greatly can simplify wiring work during the supporting mutual inductor of electric energy meter, reduce installation difficulty, improve and be mounted to power.Simultaneously using netting twine as electrical connection, its inner employing twisted-pair feeder form, is conducive to improving the antijamming capability of mutual inductor output signal in transmitting procedure, is conducive to the sampling processing of electric energy meter.
Claims (2)
1. a fast simple mutual inductor and electric energy meter connecting circuit, comprise electric energy meter, threephase current transformer, RJ45 socket, netting twine and crystal head, it is characterized in that, all adopt RJ45 socket as output, input interface in described threephase current transformer and electric energy meter, the voltage signal output line of threephase current transformer is connected on pin corresponding to RJ45 socket by inner cabling, and the three-phase current sampling input line of electric energy meter is also connected on pin corresponding to RJ45 socket by the electrical traces on internal circuit board.
2. according to a kind of fast simple mutual inductor according to claim 1 and electric energy meter connecting circuit, it is characterized in that, the RJ45 socket of described electric energy meter is connected by netting twine with the RJ45 socket of threephase current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521098257.1U CN205229233U (en) | 2015-12-24 | 2015-12-24 | Quick simple and easy mutual -inductor and electric energy meter connecting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521098257.1U CN205229233U (en) | 2015-12-24 | 2015-12-24 | Quick simple and easy mutual -inductor and electric energy meter connecting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205229233U true CN205229233U (en) | 2016-05-11 |
Family
ID=55904290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521098257.1U Expired - Fee Related CN205229233U (en) | 2015-12-24 | 2015-12-24 | Quick simple and easy mutual -inductor and electric energy meter connecting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205229233U (en) |
-
2015
- 2015-12-24 CN CN201521098257.1U patent/CN205229233U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314000 Building No. 4, 1369 South City Road, Jiaxing, Zhejiang, 201, Jiaxing Patentee after: ZHEJIANG EASTRON ELECTRONIC CO.,LTD. Address before: 314000 Building No. 4, 1369 South City Road, Jiaxing, Zhejiang, 201, Jiaxing Patentee before: JIAXING EASTRON ELECTRONIC INSTRUMENTS CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314000 building 4, 1369 South Chengdu Road, Jiaxing, Jiaxing, Zhejiang 201 Patentee after: Zhejiang Donghong Electronics Co.,Ltd. Address before: 314000 building 4, 1369 South Chengdu Road, Jiaxing, Jiaxing, Zhejiang 201 Patentee before: ZHEJIANG EASTRON ELECTRONIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20211224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |