CN201576008U - Cable set for testing trolley switching characteristics - Google Patents

Abstract

The utility model relates to a cable device for testing the switch characteristics of a trolley. Its main technical characteristics are: it includes a test socket and a test plug, a closing and locking circuit in the test socket and the test plug, and an energy storage power supply connected by a cable. Together, the closing circuit and opening circuit in the test socket are connected to the tester through the test line, and the test socket and test plug are respectively connected to the trolley switch plug and the secondary socket of the switch cabinet. The utility model has a reasonable design, realizes the characteristic test of the trolley switch by connecting the test socket and the test plug with the trolley switch plug and the secondary socket of the switch cabinet, and has the characteristics of simple operation, fast accuracy, safety and reliability.

Description

Cable set for testing trolley switching characteristics

technical field

The utility model belongs to the field of vacuum circuit breakers, in particular to a cable device for testing the switch characteristics of a trolley.

Background technique

During the operation of the power system, it is often necessary to use the trolley switch to switch and remove the faults of the power system lines, and the characteristics of the trolley switch are the guarantee of the accuracy of fault removal. In order to ensure the characteristics of the trolley switch, the power supply unit needs to regularly test the characteristics of the trolley switch. The characteristic test method of the existing trolley switch generally needs to remove the front panel of the trolley switch, manually release the lock of the locking electromagnet, connect the corresponding lead wires and connect them to the closing output terminal and opening output terminal of the tester respectively for closing Operation and opening operation, if there is no energy storage, manual energy storage operation is required. The above test method has problems such as confusing wiring, complicated operation, and long test time. At the same time, accidents such as electric shock are easy to occur during the wiring process, and there are certain potential safety hazards.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a cable device for testing the characteristics of the trolley switch with reasonable design, simple, fast, safe and reliable testing operation.

The utility model solves its technical problem and realizes by taking the following technical solutions:

A cable device for testing the switch characteristics of a trolley, including a test socket and a test plug, a closing circuit in the test socket and the test plug, and an energy storage power supply connected together through a cable, the closing circuit in the test socket, The opening circuit is connected to the tester through the test line, and the test socket and test plug are respectively connected to the switch plug of the trolley and the secondary socket of the switch cabinet.

Moreover, the trolley switch is a 10KV trolley switch.

Moreover, the test plug is a 58-pin control plug, and the test socket is a 58-hole control socket.

Advantage and positive effect of the present utility model are:

1. This cable device has a test socket connected with the switch plug of the trolley and a test plug connected with the secondary socket of the switch cabinet. When in use, only need to unplug the switch plug of the trolley from the secondary socket of the switch cabinet The test socket and test plug are respectively inserted into the switch plug of the trolley and the secondary socket of the switch cabinet, and the test of the characteristics of the trolley can be performed by connecting the test line to the tester, and the opening and closing tests can be completed by operating directly on the tester It has the characteristics of simple operation, fast and accurate.

2. The cable device is connected with the switch plug of the trolley and the secondary socket of the switch cabinet through the test socket and test plug, which avoids the safety hazard caused by the direct lead wire and the occurrence of accidents, and has the characteristics of safety and reliability.

3. The design of the utility model is reasonable. By connecting the test socket and test plug with the switch plug of the trolley and the secondary socket of the switch cabinet, the characteristic test of the switch of the trolley is realized. It has the characteristics of simple operation, fast accuracy, safety and reliability.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the test connection of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail:

A cable device for testing the switch characteristics of a trolley, as shown in Figure 1, is composed of a test plug 1, a test socket 2, a cable 3 and a test line 4, the test plug is a 58-pin control plug, and the test socket It is a 58-hole control socket. The test plug is connected to the closing and locking circuit and the energy storage power supply in the test socket through cables. The test socket is used to connect with the switch plug of the trolley. Connection, the closing circuit and opening circuit in the test socket are led out through the test line, which is used to connect with the tester.

The following is an example of ABB's VD4 10KV trolley switch. The 4 and 14 pins of the trolley switch plug are the closing circuit, the 30 and 31 pins are the opening circuit, the 20 and 49 pins are the closing and locking circuit, and the 25 and 35 pins are the closing circuit. The pin is the energy storage power supply, therefore, interconnect the test socket with the 20, 49, 25, and 35 in the test plug, that is, interconnect the test socket with the closing circuit and the energy storage power supply in the test plug, and connect the The pins 4, 14, 30, and 31 are drawn out with test wires, that is, the test socket and the closing circuit and opening circuit in the test plug are connected with the test wires.

The connection of the utility model during testing is shown in Figure 2. First, unplug the switch plug of the trolley from the secondary socket of the switch cabinet, and then insert the test socket and the test plug into the switch plug of the trolley and the secondary socket of the switch cabinet respectively. Connect the test line of the test socket to the tester, and finally, the opening and closing tests can be completed directly on the tester, and the characteristic test of the trolley switch is realized.

It should be emphasized that the embodiments described in the utility model are illustrative rather than restrictive, so the utility model is not limited to the embodiments described in the specific implementation, anyone skilled in the art according to the utility model Other implementations derived from the technical solution also belong to the protection scope of the present utility model.

Claims (3)

1. cable installation that is used to test the car switch characteristic, it is characterized in that: comprise test jack and test plug, closing locking circuit, accumulation power supply in test jack and the test plug link together by cable, closing circuit, sub-gate circuit in the test jack are connected with tester by p-wire, and test jack is connected with the switch cubicle Secondary socket with the car switch plug respectively with test plug.

2. the cable installation that is used to test the car switch characteristic according to claim 1 is characterized in that: described car switch is the 10KV car switch.

3. the cable installation that is used to test the car switch characteristic according to claim 1 is characterized in that: described test plug is 58 a pins control plug, and described test jack is 58 a holes control socket.

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