CN107819227B - A wiring device suitable for relay protection testing - Google Patents

Abstract

The invention provides a wiring device suitable for relay protection test, comprising: the connector comprises at least two connector lugs and a connecting wire arranged between the connector lugs to electrically conduct the connector lugs with each other; the connector lug comprises a plug connector and a plug socket, wherein at least one part of the plug connector and the plug socket is made of conductive materials, and the plug connector is electrically conducted with the plug socket, so that when the two connector lugs are connected with each other, the plug connector of one connector lug is electrically conducted with the connector lug of the other connector lug when the connector lug of the other connector lug is inserted into the plug socket of the other connector lug. Above-mentioned technical scheme provides a termination suitable for relay protection test, and its simple structure, grafting are convenient, the wiring is firm, and occupation space is very little when interconnect between a plurality of termination.

Description

A wiring device suitable for relay protection testing

technical field

The invention relates to the technical field of machinery, in particular to a wiring device suitable for relay protection testing.

Background technique

At present, in the field of relay protection testing, conventional microcomputer protection devices use a large number of terminals for analog quantity acquisition, switch quantity input and output, and power supply. Therefore, in the testing process of the relay protection device, the terminal wiring of the device becomes a necessary stage. Conventional relay protection devices have a large number of connection terminals, and the voltage is generally 220V. If the connection method is improper, it will cause a short circuit between the terminals, resulting in damage to the plug-in or even a safety accident. When testing the relay protection device, the pin is often used to connect the terminal with the terminal, and then the connection line of the external relay protection tester is used. However, the spacing between the jacks of the terminal is not enough to arrange the pins, which brings difficulties to the input and output detection of the device terminal.

SUMMARY OF THE INVENTION

Aiming at the problem of poor wiring reliability during relay protection testing in the prior art, the technical problem to be solved by the embodiments of the present invention is to propose a wiring device suitable for relay protection testing with simple structure and stable connection. Solve the problems existing in the prior art.

In order to solve the above problem, an embodiment of the present invention provides a wiring device suitable for a relay protection test, comprising: at least two wiring heads and a connection disposed between the wiring heads to electrically conduct the wiring heads to each other The wire; wherein the terminal includes a plug and a socket, wherein at least a part of the plug and the socket is made of conductive material, and the plug and the socket are electrically connected to When the two terminals are connected to each other, when the plug of one terminal is inserted into the socket of the other terminal, the two terminals are electrically connected.

Wherein, the plug socket is cylindrical with a hollow inner through hole, one end of the inner through hole is provided with an internal thread to connect the plug connector, and the other end forms an open plug space; the plug connector is a cone One end of the plug connector is provided with an external thread to connect with the inner through hole of the plug socket to form a connector; wherein the outer diameter of the other end of the plug connector is in line with the inner wall of the plug space of the plug socket It is adapted to make the plug connector plug into the plug space of the plug socket of the other connector when connecting between the connectors.

Wherein, the side wall of the socket is provided with an opening perpendicular to the axial direction of the socket, so that the two ends of the connecting wire are respectively fixed in the opening to be fixed and electrically connected to the socket. on.

Wherein, the connecting wire includes a middle conductive wire and an outer insulating sheath.

Wherein, the plug socket is made of metal, and the outer surface thereof is provided with an insulating cover, and the plug connector is made of metal.

The beneficial effects of the above technical solutions of the present invention are as follows: the above technical solutions propose a wiring device suitable for relay protection testing, which has simple structure, convenient insertion, stable wiring, and when multiple wiring devices are connected to each other It takes up little space.

Description of drawings

1 is a schematic structural diagram of a wiring according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an exploded structure of a wiring head according to an embodiment of the present invention;

3 is a schematic diagram of a connection mode of wiring according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of another connection mode of wiring according to an embodiment of the present invention;

Description of reference numbers:

1: wiring head;

2: connecting line;

3: socket;

4: Plug connector.

Detailed ways

In order to make the technical problems, technical solutions and advantages to be solved by the present invention more clear, the following will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in FIG. 1 , FIG. 2 , FIG. 3 , and FIG. 4 , an embodiment of the present invention proposes a wiring device suitable for relay protection testing, comprising: at least two wiring heads 1 and a wiring device disposed between the wiring heads 1 A connecting wire 2 for electrically conducting the terminals 1 to each other; wherein the terminal 1 includes a plug 4 and a socket 3, wherein at least a part of the plug 4 and the socket 3 are made of conductive material The plug connector 4 and the socket socket 3 are electrically connected, so that when the two terminal blocks 1 are connected to each other, the plug socket 4 of one terminal block 1 is inserted into the socket socket 3 of the other terminal block 1 When inside, the two terminals 1 are electrically connected.

Wherein, the plug socket 3 is cylindrical with a hollow inner through hole, one end of the inner through hole is provided with an internal thread to connect the plug connector 4, and the other end forms an open plug space; the plug connector 4 is conical, and one end of the plug connector 4 is provided with an external thread to connect with the inner through hole of the plug socket 3 to form a connector; wherein the outer diameter of the other end of the plug connector 4 is the same as the plug socket The inner wall of the plug-in space of 3 is matched with each other, so that the plug-in head 4 can be inserted into the plug-in space of the plug-in socket 3 of the other connection head when the connection heads are connected. As shown in FIG. 2 , the side wall of the socket 3 is provided with an opening that is perpendicular to the axial direction of the socket 3 so that the two ends of the connecting line are respectively fixed in the opening and the The socket 3 is fixed and electrically connected. Wherein, the connecting wire 2 includes a middle conductive wire and an outer insulating sheath.

Wherein, FIG. 1 and FIG. 2 show an embodiment of the present invention having two terminals. Those skilled in the art can understand that a plurality of terminals may also be included, and these terminals are electrically connected to each other through star-shaped connecting wires. When in use, the two wiring devices can be connected into one by using the connector, so that all the wiring devices of the two wiring devices are all electrically connected; The terminals of each wiring device are electrically connected.

The embodiment of the present invention provides an efficient and convenient secondary combined wiring mode of the relay protection device, which overcomes the problem of complicated and time-consuming device test wiring caused by a large number of terminal pins in the existing wiring mode. Compared with the traditional terminal pin, the pin combination part of the present invention can be directly inserted into the connecting terminal of the device, and the size is more matched with the common terminal. Among them, the metal contacts can be disassembled, and when the secondary wiring is not required to be short-circuited with each other, the output wiring of the external tester can be connected. It avoids the problem of large wiring workload and long time under the traditional wiring method, ensures the accurate wiring of the relay protection device, and shortens the equipment debugging cycle. Compared with the traditional wiring method, the relay protection secondary combined wiring designed by the present invention no longer needs to use the traditional wiring pins. Since the design of the metal contacts matches the size of the terminals, they can be spread over each terminal interface, ensuring that each input and output of the device can go through the entire testing process. The efficiency of wiring and traditional wiring methods have also been greatly improved, shortening the test cycle.

The above are the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. It should be regarded as the protection scope of the present invention.

Claims (5)

1. A wiring device suitable for relay protection testing, comprising: the connector comprises at least two connector lugs and a connecting wire arranged between the connector lugs to electrically conduct the connector lugs with each other; the connector lug comprises a plug connector and a plug socket, wherein at least one part of the plug connector and the plug socket is made of conductive materials, and the plug connector is electrically conducted with the plug socket, so that when the two connector lugs are connected with each other, the plug connector of one connector lug is inserted into the plug socket of the other connector lug to electrically conduct the two connector lugs;

the plug socket is cylindrical and provided with a hollow inner through hole, one end of the inner through hole is provided with internal threads for connecting the plug connector, and the other end of the inner through hole forms an open plug space; the plug is conical, and one end of the plug is provided with an external thread to be connected with an internal through hole of the plug seat so as to form a connector; the outer diameter of the other end of the plug connector is matched with the inner wall of the plugging space of the plugging seat, so that the plug connector is plugged into the plugging space of the plugging seat of the other connector when the connectors are connected.

2. The connection device suitable for relay protection testing according to claim 1, wherein an opening is formed in a sidewall of the socket and is perpendicular to an axial direction of the socket, so that two ends of the connection line are respectively fixed in the opening and are fixed to the socket and electrically connected to the socket.

3. The wiring device suitable for relay protection testing according to any one of claims 1-2, wherein said connection wire comprises an intermediate conductive wire and an outer insulating sheath.

4. The relay protection test connection device according to any one of claims 1-2, wherein the socket is made of metal and has an insulating coating on its outer surface.

5. The wiring device suitable for relay protection testing according to any one of claims 1-2, wherein said plug is made of metal.

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