CN206348368U - A kind of vacuum circuit breaker tests dedicated testing wire - Google Patents

Abstract

The utility model discloses a special test line for the vacuum circuit breaker test, which comprises a first high-current wire and a second high-current wire separated from each other. The first large-current wire is provided with a first common wire and a second common wire. The second large current wire is provided with a third common wire and a fourth normal wire, and the first high current wire and the second large current wire are both provided with a first connection terminal for connecting with the voltage column of the loop resistance tester at one end, and the other One end is provided with a second connecting terminal for connecting with the vacuum circuit breaker fracture, and the ends of the first ordinary wire, the second ordinary wire, the third ordinary wire and the fourth ordinary wire are all provided with third connecting terminals. The utility model has the advantages that it can be used for the circuit resistance test and the mechanical characteristic test of the vacuum circuit breaker, reduces the test time, simplifies the wiring workload, reduces the wiring and repeated wiring time, and improves the test efficiency.

Description

A special test line for vacuum circuit breaker test

technical field

The utility model relates to a vacuum circuit breaker circuit resistance and mechanical characteristic test equipment, in particular to a vacuum circuit breaker test special test line.

Background technique

At present, in the loop resistance test and mechanical characteristic test of vacuum circuit breakers, the loop resistance tester and the mechanical characteristic tester both use corresponding special test lines, resulting in the presence of many wires on the test site during the test. It is easy to be entangled together, which increases the repeated line time and affects the test efficiency.

Utility model content

The technical problem to be solved by the utility model: Aiming at the above-mentioned problems of the prior art, provide a circuit resistance test and a mechanical characteristic test that can be used for vacuum circuit breakers at the same time, reduce the test time, simplify the wiring workload, and reduce the wiring and repeated wiring. A special test line for vacuum circuit breaker tests that saves time and improves test efficiency.

In order to solve the above technical problems, the technical solution adopted by the utility model is:

A special test line for vacuum circuit breaker testing, comprising a first high-current wire and a second high-current wire separated from each other, the outer wall of the first high-current wire is fixed with a first normal wire and a second normal wire, the The first high-current wire, the first ordinary wire, and the second ordinary wire are insulated from each other, and the outer wall of the second large-current wire is fixed with a third ordinary wire and a fourth ordinary wire. The wire, the third common wire, and the fourth common wire are insulated from each other. Both the first high-current wire and the second high-current wire are provided with a first connection terminal connected to the voltage column of the loop resistance tester at one end, The other end is provided with a second connecting terminal for connecting with the vacuum circuit breaker fracture, and the two ends of the first ordinary wire, the second ordinary wire, the third ordinary wire and the fourth ordinary wire are all provided with free ends, and the The ends of the first ordinary wire, the second ordinary wire, the third ordinary wire and the fourth ordinary wire are all provided with third connection terminals.

Preferably, the first connection terminal is a fork-shaped copper connection piece.

Preferably, the second connection terminal is an annular copper connection piece.

Preferably, the third connection terminal is a plug connector.

The special test line for vacuum circuit breaker test of the utility model has the following advantages: the utility model includes a first high-current wire and a second high-current wire separated from each other, and a first large-current wire is fixed on the outer wall of the first high-current wire. Ordinary wires and second ordinary wires, the outer wall of the second large current wire is fixed with a third ordinary wire and a fourth ordinary wire. The first connection terminal connected to the voltage column of the tester, and the other end is provided with a second connection terminal for connecting to the vacuum circuit breaker fracture, the first common wire, the second common wire, the third common wire, the fourth common wire free ends are provided at both ends, and the ends of the first common lead, the second common lead, the third common lead and the fourth common lead are all provided with third connection terminals, and the vacuum can be conveniently connected through the above-mentioned structure The circuit breaker is connected with the circuit resistance tester and the mechanical characteristic tester for the vacuum circuit breaker test. During the test, the wires and the wires are not easy to be entangled together. It can be used for the circuit resistance test and the mechanical characteristic test of the vacuum circuit breaker at the same time, reducing The test time is shortened, the wiring workload is simplified, the wiring and repeated line time are reduced, and the test efficiency is improved.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of the utility model.

Legend: 1. The first high-current wire; 2. The second high-current wire; 3. The first common wire; 4. The second common wire; 5. The third common wire; 6. The fourth common wire; 7. The first A connection terminal; 8. The second connection terminal; 9. The third connection terminal.

detailed description

As shown in Figure 1, the special test line for the vacuum circuit breaker test of this embodiment includes a first high-current wire 1 and a second high-current wire 2 separated from each other, and a first common Conductor 3 and the second common conductor 4, the first high-current conductor 1, the first common conductor 3, and the second common conductor 4 are insulated from each other, and the outer wall of the second high-current conductor 2 is fixedly provided with the third common conductor 5 and The fourth common wire 6, the second large current wire 2, the third common wire 5, and the fourth common wire 6 are insulated from each other, and the first high current wire 1 and the second large current wire 2 are all provided with a circuit for connecting The first connection terminal 7 connected to the voltage column of the resistance tester, the other end is provided with the second connection terminal 8 for connecting to the vacuum circuit breaker fracture, the first common wire 3, the second common wire 4, the third common wire 5, Both ends of the fourth ordinary wire 6 are provided with free ends, and the ends of the first ordinary wire 3, the second ordinary wire 4, the third ordinary wire 5, and the fourth ordinary wire 6 are all provided with a third connection terminal 9, Through the above structure, the vacuum circuit breaker can be conveniently connected with the loop resistance tester and the mechanical characteristic tester for the vacuum circuit breaker test, which can reduce the test time, simplify the wiring workload, reduce the wiring and repeated wiring time, and improve the test efficiency. advantage.

In this embodiment, the first connection terminal 7 is a fork-shaped copper connection piece, which can ensure a stable and reliable electrical connection with the voltage column of the loop resistance tester; the second connection terminal 8 is a ring-shaped copper connection piece, which can ensure It is connected with the vacuum circuit breaker to realize a stable and reliable electrical connection; the third connection terminal 9 is a plug joint, which can ensure stable and reliable electrical connection with each port of the vacuum circuit breaker and the mechanical characteristic tester.

Referring to Fig. 1, the working principle of the special test line for the vacuum circuit breaker test of this embodiment is as follows: When using the special test line for the vacuum circuit breaker test of the embodiment to test the loop resistance, connect the first connecting terminal 7 of the first large current wire 1 ( I+) is connected to the voltage column of the loop resistance tester, the second connection terminal 8 (L+) is connected to the vacuum circuit breaker fracture through a terminal clip, one end U of the first common wire 3 is connected to the voltage column of the loop resistance tester, and the other end L1 It is connected to the vacuum circuit breaker fracture through the terminal clip, the first connection terminal 7 (I-) of the second large current wire 2 is connected to the voltage column of the loop resistance tester, and the second connection terminal 8 (L-) is connected to the vacuum circuit breaker through the terminal clip. Connect to the breaker of the circuit breaker. One end W of the third ordinary wire 5 is connected to the voltage column of the loop resistance tester, and the other end L3 is connected to the breaker of the vacuum circuit breaker through the terminal clip. The mechanical characteristic tester can be used to complete the loop resistance of the target vacuum circuit breaker. test. When using the special test line for vacuum circuit breaker test of the embodiment to carry out the mechanical characteristic test, connect one end U of the first ordinary wire 3, one end V of the second ordinary wire 4, and one end W of the third ordinary wire 5 with the vacuum circuit breaker respectively. The three fractures are connected at one end, and the other ends of the three fractures of the vacuum circuit breaker are short-circuited to one end E of the fourth ordinary wire 6, the other end L1 of the first ordinary wire 3, the other end L2 of the second ordinary wire 4, the third The other end L3 of the ordinary wire 5 and the other end L4 of the fourth ordinary wire 6 are connected to the fracture time measurement channel of the mechanical characteristic tester, so that the mechanical characteristic test of the target vacuum circuit breaker can be completed by the mechanical characteristic tester. To sum up, this embodiment can conveniently connect the vacuum circuit breaker with the loop resistance tester and the mechanical characteristic tester for the vacuum circuit breaker test. During the test, the wires and the wires are not easy to be entangled together, and it can be used at the same time The circuit resistance test and mechanical characteristic test of vacuum circuit breaker can reduce the test time, simplify the wiring workload, reduce the wiring and repeated line time, and improve the test efficiency.

The above descriptions are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model all belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims (4)

1. A special test line for vacuum circuit breaker testing, characterized in that it includes a first high-current wire (1) and a second high-current wire (2) separated from each other, and the outer wall of the first high-current wire (1) The first ordinary wire (3) and the second ordinary wire (4) are fixed on the top, and the first large current wire (1), the first ordinary wire (3) and the second ordinary wire (4) are insulated from each other , the outer wall of the second large current wire (2) is fixed with a third ordinary wire (5) and a fourth ordinary wire (6), the second large current wire (2), the third ordinary wire (5 ), the fourth common wire (6) are insulated from each other, and the first high-current wire (1) and the second high-current wire (2) are each equipped with a first high-current wire (1) and a second high-current wire (2) at one end for connecting with the voltage column of the loop resistance tester. One connection terminal (7), the other end is provided with a second connection terminal (8) for connecting to the vacuum circuit breaker fracture, the first ordinary wire (3), the second ordinary wire (4), the third ordinary wire ( 5), both ends of the fourth ordinary wire (6) are provided with free ends, and the first ordinary wire (3), the second ordinary wire (4), the third ordinary wire (5), the fourth ordinary wire The ends of (6) are all provided with third connection terminals (9). 2. The special test line for vacuum circuit breaker test according to claim 1, characterized in that: the first connecting terminal (7) is a fork-shaped copper connecting piece. 3. The special test line for vacuum circuit breaker test according to claim 2, characterized in that: the second connection terminal (8) is an annular copper connection piece. 4. The special test line for vacuum circuit breaker test according to claim 3, characterized in that: the third connection terminal (9) is a plug connector.