CN204008717U - A kind of relay protection experimental fast-wiring conversion equipment - Google Patents

Abstract

The utility model relates to a fast wiring conversion device for relay protection experiments, which includes: a bus bar of plug-in terminal blocks, a wiring conversion device, and an experimental line connection interface; therefore, one end of the utility model passes through The standard L-shaped terminal is connected, and the other end is connected to the relay protection test line; the corresponding relationship between the test terminal and the pin terminal can be changed by changing the order of the terminal, and there is no need to change or remove the line. The experimental efficiency is greatly improved. For the protection devices of different manufacturers, there is no need to dismantle and modify the wiring, which greatly improves the experimental efficiency. The utility model has simple structure and convenient operation, and better solves the problem that the protection of different manufacturers in the existing relay protection device needs to change the connection between the backplane terminal and the protection tester, which reduces the experimental efficiency. .

Description

A fast wiring conversion device for relay protection experiment

technical field

The utility model belongs to the technical field of relay protection experiments, in particular to a fast wiring conversion device for relay protection experiments.

Background technique

At present, the rear panel of the relay protection device usually adopts a standard pin interface, which is connected to the secondary cable through a standard plug-in terminal. The pin interface used by various relay protection manufacturers is unified, but the function definition of each pin is different. Relay protection test experiments require the protection tester to provide voltage and current to the protection device, and obtain tripping and other output signals from the protection device. For the protection of different manufacturers, it is necessary to change the connection between the backplane terminal and the protection tester, which reduces the experimental efficiency.

Utility model content

The utility model solves the problem that the connection between the backboard terminal and the protection tester needs to be changed for the protection of different manufacturers existing in the existing relay protection device, and the problem of reducing the experimental efficiency is provided by the utility model which has a simple structure and is convenient to install and use. , Relay protection experiment fast wiring conversion device to improve work efficiency.

The technical scheme that the utility model takes for solving the technical problem existing in the known technology is:

The quick wiring conversion device for relay protection experiment of the embodiment of the utility model, the quick wiring conversion device for relay protection experiment includes: a busbar of plug-in terminal, a wiring conversion device, and an experimental line connection interface;

The bus bar of the plug-in terminal on the relay protection device is connected with the bus bar of the plug-in terminal through a secondary cable to a wiring conversion device for converting the wiring sequence, and the wiring conversion device is connected through a secondary cable. Test lead terminal for secondary cable connection.

The utility model can also adopt the following technical measures:

In the embodiment of the utility model, one end of the bus bar of the plug-in terminal is connected to the wiring conversion device through a secondary cable, and the other end is inserted into the quilt plate of the relay protection device.

Further, the bus bar of 15EDG-3.81MM-16P plug-in terminal is adopted.

Further, the wiring conversion device also includes: a connection layer for experimental wires, a conductive layer, an insulating layer and a wiring plug.

Further, the conductive layer is a copper plate.

Further, a copper terminal plunger is used.

The advantages and positive effects of the utility model are: one end of the utility model is connected through a standard L-shaped terminal, and the other end is connected to the relay protection experiment line; The corresponding relationship of the terminals does not need to be changed or removed. The experimental efficiency is greatly improved. For the protection devices of different manufacturers, there is no need to dismantle and modify the wiring, which greatly improves the experimental efficiency. The utility model has simple structure and convenient operation, which better solves the problem that the existing relay protection device needs to change the connection between the backboard terminal and the protection tester for the protection of different manufacturers, which reduces the experimental efficiency. .

Description of drawings

Fig. 1 is a schematic diagram of the structure of the relay protection experiment fast wiring conversion device provided by the embodiment of the present invention;

Fig. 2 is a structural diagram of the connection layer of the experimental line provided by the embodiment of the present invention;

Fig. 3 is the structural diagram of the conductive layer provided by the embodiment of the utility model;

Fig. 4 is a structural diagram of an insulating layer provided by an embodiment of the present invention;

Fig. 5 is a side view of the relay protection experiment fast wiring conversion device provided by the embodiment of the present invention;

Fig. 6 is a structural diagram of the wiring plunger of the relay protection experiment fast wiring conversion device provided by the embodiment of the present invention;

In the figure: 1. The busbar of the plug-in terminal block; 2. The connection conversion device; 3. The connection interface of the experimental line.

Detailed ways

In order to further understand the invention content, characteristics and effects of the present utility model, the following examples are given, and detailed descriptions are given below in conjunction with the accompanying drawings. There is no software or method innovation in the utility model.

Please refer to Figure 1-Figure 6:

As shown in Figure 1, the relay protection experiment fast wiring conversion device of the embodiment of the utility model is mainly composed of: a busbar 1 of a plug-in terminal, a wiring conversion device 2, and an experimental line connection interface 3;

The bus bar 1 of the plug-in terminal on the relay protection device is connected to the bus bar 1 of the plug-in terminal through a secondary cable to connect the wiring conversion device 2 for converting the wiring sequence, and the wiring conversion Device 2 is connected to test lead terminal 3 via a secondary cable.

When the wiring plunger is inserted into a certain jack, the conductive layer exposed to the height of the conductive part is connected to the test wire layer through the wiring plunger, realizing the wiring conversion. The connection layer of the test line is on the uppermost layer of the device, the conductive layer and the insulating layer are spaced apart from each other, and the conductive layer is connected to the test line layer through the connecting rod

The specific embodiment of the utility model:

The utility model is composed of the following parts: as shown in Figure 2-Figure 6;

1. The bus bar of the standard plug-in terminal connection interface; one end is connected to the wiring conversion device through a secondary cable, and the other end is a standard one that can be inserted into the quilt board of the relay protection device; the specific model that can be used is: 15EDG -3.81MM-16P;

2. A 16-terminal wiring conversion device consists of the following parts:

① Experimental line connection layer:

The layer is divided into two parts, one part is the connection layer of the experimental line, 16 copper rings are embedded in the insulator, and each copper ring is numbered; the copper ring is connected to the corresponding number of the 3 experimental line connection ports through the secondary cable; the experimental line connection There is a one-to-one correspondence between the copper ring on the layer and the interface of the test line;

②Conductive layer:

The conductive layer has its own number, the conductive layer is a copper plate, and the copper is punched with a round hole of the same position and the same size as the copper ring of the test line connection layer, and one side of the copper plate is welded to the corresponding numbered port of the standard plug-in wiring interface busbar. Connection, each conductive layer has a one-to-one relationship with the terminal of a standard plug-in wiring interface busbar;

③Insulation layer:

The insulating layer is made of insulating material, and is punched with a round hole of the same position and the same size as the copper ring of the connection layer of the test line. It is used to insulate the adjacent conductive layer and the connecting layer of the conductive layer test line;

④Wiring rod:

The wiring plunger is made of copper as a whole. The copper is chipped where it is not connected, and then wrapped with insulation. The diameter of the wiring plunger after wrapping is the same as the diameter of the punched holes in each layer. When the wiring plunger is inserted into a jack, the conductive layer at the height of the exposed conductive part is connected to the test wire layer through the wiring plunger. The position where the copper is exposed on the wiring inserts of different labels is the same as the height of the conductive layer of the corresponding label.

3. Test line connection port:

③, Test line terminal block.

One end of the utility model is connected through a standard L-shaped terminal, and the other end is connected with a relay protection experiment line. By changing the order of the "binding posts" to change the corresponding relationship between the experimental terminal and the pin terminal, there is no need to change and remove the wiring, which greatly improves the experimental efficiency.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Any simple modifications made to the above embodiments according to the technical essence of the present utility model are equivalent to changes and modifications. All belong to the scope of the technical solution of the utility model.

Claims (5)

1. A relay protection experiment fast wiring switching device, characterized in that the relay protection experiment fast wiring switching device comprises: a bus bar of plug-in terminal blocks, a wiring switching device, and an experimental line connection interface; The wiring conversion device also includes: an experimental line connection layer, a conductive layer, an insulating layer and a wiring plunger; the experimental line connection layer is on the uppermost layer of the device, and the conductive layer and the insulating layer are spaced apart from each other, and the conductive layer is connected to the test line layer through the wiring plunger ; The bus bar of the plug-in terminal on the relay protection device is connected with the bus bar of the plug-in terminal through a secondary cable to a wiring conversion device for converting the wiring sequence, and the wiring conversion device is connected through a secondary cable. Test lead terminal for secondary cable connection. 2. The fast wiring switching device for relay protection experiments according to claim 1, wherein one end of the bus bar of the plug-in terminal is connected to the wiring switching device through a secondary cable, and the other end is inserted into the relay protection device. quilt board. 3. The relay protection experiment fast wiring conversion device according to claim 1, characterized in that, the bus bar of 15EDG-3.81MM-16P plug-in terminal is used. 4. The relay protection experiment fast wiring conversion device according to claim 1, characterized in that the conductive layer is a copper plate. 5. The fast wiring conversion device for relay protection experiment according to claim 1, characterized in that, a copper wiring plunger is used.