CN219039144U - General type switch cabinet circuit breaker handcart secondary circuit test adapter - Google Patents

Abstract

The utility model discloses a general type switch cabinet circuit breaker handcart secondary circuit test adapter, which comprises a circuit breaker handcart adapter, a switch cabinet adapter and a test adapter, wherein the circuit breaker handcart adapter comprises an aviation socket and an adapter plug which are mutually connected, the aviation socket is connected with an aviation plug of a circuit breaker, the switch cabinet adapter comprises an aviation plug and a first adapter socket which are mutually connected, the aviation plug is connected with an aviation socket of a switch cabinet, the test adapter comprises a second adapter socket and a test socket which are mutually connected, the first adapter socket and the second adapter socket are matched with the adapter plug, a test hole is formed in the test socket, and the test hole is connected with a test instrument through a test wire. The utility model supports the flexible switching of the whole group of transmission tests and mechanical property tests of the vacuum circuit breaker, and improves the operation efficiency.

Description

A universal switchgear circuit breaker handcart secondary circuit test adapter

technical field

The utility model relates to the electrical field, in particular to a secondary circuit test adapter for a universal switch cabinet circuit breaker handcart.

Background technique

The secondary wiring of the circuit breaker handcart and the switchgear body is connected through a multi-core aviation plug. During maintenance, pull out the secondary line aviation connector, drag the circuit breaker handcart to the maintenance position, and lock and close the switchgear. When testing the mechanical characteristics of the circuit breaker, it is necessary to measure the resistance of the opening and closing coils, low points, and low closing action voltages. On the pins of the aviation head, the operation is extremely inconvenient, and there are problems such as unreliable connection and short circuit caused by touching adjacent pins. When doing the transmission test of the whole set of relay protection, the actual transmission switch is required. After the switch cabinet must be opened, the circuit breaker handcart must be put back into the switch cabinet, placed in the test position and plugged into the aviation head, so that the transmission test can be carried out. Firstly, it not only violates the safety regulations of on-site operation, but also increases the risk of high-voltage electric shock. At the same time, it is necessary to transfer the circuit breaker handcart to the switchgear by using the test trolley. Large and inefficient.

The Chinese patent literature with the publication number CN207133401U records a high-voltage circuit breaker test wiring conversion device. The test device connection; and the conversion wiring, one end is connected to the aviation plug, and the other end is connected to the test plug; wherein, the test plugs of each group of conversion devices are of the same specification, and the aviation plugs correspond to secondary plugs of high-voltage circuit breakers of different specifications. The high-voltage circuit breaker test wiring conversion device can connect the test device with the test product, eliminating the potential safety hazard of the traditional circuit breaker test clamp connection wiring method. However, the high-voltage circuit breaker test wiring conversion device cannot be used to connect the switch cabinet and the circuit breaker during maintenance, and cannot support the entire group of transmission tests of the circuit breaker.

Utility model content

The technical problem to be solved by the utility model lies in: aiming at the technical problems existing in the prior art, the utility model provides a general-purpose switch cabinet circuit breaker handcart secondary circuit test adapter, which supports the whole set of vacuum circuit breaker transmission test Flexible switch with mechanical characteristic test to improve work efficiency.

In order to solve the problems of the technologies described above, the technical solution proposed by the utility model is:

A general-purpose switch cabinet circuit breaker handcart secondary circuit test adapter, including a circuit breaker handcart adapter, a switch cabinet adapter and a test adapter, the circuit breaker handcart adapter includes interconnection The aviation socket and the adapter plug, the aviation socket is connected with the aviation plug of the circuit breaker, the switch cabinet adapter includes the interconnected aviation plug and the first adapter socket, the aviation plug is connected with the aviation socket of the switch cabinet connection, the test adapter includes a second adapter socket and a test socket connected to each other, the first adapter socket and the second adapter socket are all matched with the adapter plug, and the test socket is provided with A test hole, the test hole is connected with the test instrument through a test line.

Optionally, the aviation socket is connected to an adapter plug through a cable, and the pins of the adapter plug are connected to corresponding jacks of the aviation socket through corresponding wire cores of the cable.

Optionally, the aviation plug is connected to the first adapter socket through a cable, and the sockets of the first adapter socket are connected through corresponding cores of the cable and corresponding pins of the aviation plug.

Optionally, the second transfer socket is connected to the test socket through a cable, and the test holes of the test socket are connected to corresponding jacks of the second transfer socket through corresponding cores of the cable.

Optionally, the pins of the adapter plug are arranged in a matrix, and the jacks of the first adapter socket and the second adapter socket are in one-to-one correspondence with the pins of the adapter plug.

Compared with the prior art, the utility model has the advantages of:

The utility model includes a circuit breaker handcart adapter, a switch cabinet adapter and a test adapter, the circuit breaker handcart adapter is provided with an adapter plug, and the switch cabinet adapter and the test adapter are equipped with The first adapter socket and the second adapter socket matched with the adapter plug, so that the whole group can be performed by connecting the adapter plug of the circuit breaker handcart adapter with the first adapter socket of the switch cabinet adapter The transmission test can also be carried out by connecting the adapter plug of the circuit breaker handcart adapter to the second adapter socket of the test adapter to perform the mechanical characteristic test. It is not necessary to frequently replace the test trolley and test wiring, which reduces the workload. The amount reduces the safety risk of on-site operations.

In addition, in the utility model, the test socket of the test adapter is provided with a test hole, and the test hole is connected with the corresponding pin of the circuit breaker aviation plug through the second switch socket, the circuit breaker handcart adapter in turn, so that the During the test, the test line can be directly inserted into the test hole for related circuit inspection and testing, so as to avoid problems such as unreliable connection and short circuit caused by touching adjacent pins.

Description of drawings

Fig. 1 is a structural schematic diagram of the circuit breaker handcart adapter in the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the switch cabinet adapter in the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the test adapter in the embodiment of the utility model.

Fig. 4 is a schematic diagram of the front structure of the aviation plug and the aviation socket in the embodiment of the utility model.

Fig. 5 is a schematic view of the front structure of the adapter plug and the first/second adapter socket in the embodiment of the present invention.

Fig. 6 is a schematic view of the front structure of the test socket in the embodiment of the utility model.

Legend: 1-Aviation socket, 2-Aviation plug, 3-Adapter plug, 4-First transfer socket, 5-Second transfer socket, 6-Test socket, 7-Cable.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific preferred embodiments, but the protection scope of the utility model is not limited thereby.

In order to realize the flexible switching between the whole transmission test and the mechanical characteristic test of the switchgear vacuum circuit breaker, this embodiment proposes a general-purpose switchgear circuit breaker handcart secondary circuit test adapter, including the circuit breaker handcart shown in Figure 1 Car adapter, the switch cabinet adapter shown in Figure 2 and the test adapter shown in Figure 3, wherein the circuit breaker handcart adapter is installed on the circuit breaker, and the switch cabinet adapter is installed on the switch cabinet. The detachable connection is adopted between the circuit breaker handcart adapter and the switch cabinet adapter, and between the circuit breaker handcart adapter and the test adapter.

As shown in FIG. 1 , the circuit breaker handcart adapter in this embodiment includes interconnected aviation socket 1 and adapter plug 3 , and the aviation socket 1 is connected to the aviation plug of the circuit breaker.

As shown in FIG. 2 , the switch cabinet adapter in this embodiment includes interconnected aviation plugs 2 and first adapter sockets 4 , and the aviation plugs 2 are connected to the aviation sockets of the switch cabinet.

As shown in Figure 3, the test adapter in the present embodiment includes the second adapter socket 5 and the test socket 6 that are connected to each other, and the first adapter socket 4 and the second adapter socket 5 in the present embodiment are all connected to each other. The adapter plug 3 is matched to realize the detachable connection between the circuit breaker handcart adapter and the switch cabinet adapter, and between the circuit breaker handcart adapter and the test adapter. Connect the adapter plug 3 of the circuit breaker handcart adapter to the first adapter socket 4 of the switch cabinet adapter to carry out the whole set of transmission test, or connect the adapter plug 3 of the circuit breaker handcart adapter to the test switch The mechanical characteristic test is performed by connecting the second adapter socket 5 of the adapter, so that the test trolley and test wiring do not need to be frequently replaced, the workload is reduced, the work efficiency is improved, and the safety risk of on-site operation is reduced.

As shown in Figure 6, in the present embodiment, the test socket 6 is provided with a test hole, and the test hole corresponds to the test pins on the aviation plug of the circuit breaker one by one, and the test hole is connected with the test instrument through the test line. When the handcart adapter is connected to the test adapter, the test hole can be sequentially connected through the second adapter socket 5 of the test adapter and the corresponding pins of the circuit breaker handcart adapter and the circuit breaker aviation plug. Therefore, during the low-voltage switching test, the test line can be directly inserted into the test hole for related circuit inspection and testing, so as to avoid problems such as unreliable connection and short circuit caused by touching adjacent pins.

As shown in Figure 1, in this embodiment, the aviation socket 1 of the circuit breaker handcart adapter is connected to the adapter plug 3 through the cable 7, and the pins of the adapter plug 3 are connected through the corresponding pins of the cable 7. The wire core is connected to the corresponding jack of the aviation socket 1.

As shown in Figure 2, in this embodiment, the aviation plug 2 of the switch cabinet adapter is connected to the first adapter socket 4 through the cable 7, and the jacks of the first adapter socket 4 are all connected through the cable 7 The corresponding wire core of the connector is connected with the corresponding pin of the aviation plug 2.

As shown in Figure 3, in the present embodiment, the second transition socket 5 of the test adapter passes through the cable 7 and the test socket 6, and the test holes of the test socket 6 pass through the corresponding wire cores of the cable 7 and the test socket 6. The corresponding socket of the second adapter socket 5 is connected.

Through the above structure, when the circuit breaker handcart adapter is connected to the switch cabinet adapter, the jack of the aviation socket 1 passes through the corresponding wire core of the cable 7, the corresponding pin of the adapter plug 3, the first adapter The channel formed by the corresponding jack of the socket 4 is connected to the corresponding pin of the aviation plug 2. When the circuit breaker handcart adapter is connected to the test adapter, the test hole of the test socket 6 passes through the corresponding wire core of the cable 7, The channel formed by the corresponding jack of the second adapter socket 5 and the corresponding pin of the adapter plug 3 connects the corresponding jack of the aviation socket 1, and connects the corresponding pin of the aviation plug of the circuit breaker with this, and the above-mentioned channels are independent of each other. , to avoid interference during the test.

In this embodiment, there may be multiple circuit breaker handcart adapters in one group, and the aviation socket 1 of each circuit breaker handcart adapter may adopt different specifications to adapt to different circuit breakers. One specification of the aviation socket 1 is shown in part A of FIG. 4 , and the dot matrix formed by the jacks is in the shape of an arrow with the tail pointing up and the head pointing down.

In this embodiment, there may be multiple switch cabinet adapters in one group, and the aviation plug 2 of each switch cabinet adapter may also adopt different specifications to adapt to different switch cabinets. One specification of the aviation plug 2 is shown in part B of FIG. 4 , where the dot matrix formed by the pins forms an arrow shape with the tail pointing up and the head pointing down.

When the circuit breaker handcart adapter and the switchgear adapter are multiple in one group, the adapter plug of each circuit breaker handcart adapter 3, the first adapter of each switchgear adapter The sockets 4 have the same specifications, as shown in part A of Figure 5, the pins of the adapter plug 3 are arranged in a matrix in this embodiment, as shown in part B of Figure 5, the first adapter socket 4 in this embodiment 1. The jacks of the second adapter socket 5 correspond to the pins of the adapter plug 3 one by one, and are arranged in a matrix.

As shown in FIG. 6 , each test hole of the test socket 6 in this embodiment is also provided with a label to illustrate the function of the corresponding test hole, so as to facilitate the operator to identify and distinguish during the test.

The specific operation of this embodiment is described below:

During maintenance, use the circuit breaker handcart to drag the circuit breaker to the maintenance position, pull out the aviation head of the secondary line, connect the aviation socket 1 of the circuit breaker handcart adapter to the aviation plug of the circuit breaker, and connect the aviation plug of the switch cabinet adapter The plug 2 is connected to the aviation socket of the switch cabinet, and the switch cabinet is locked and closed.

When carrying out the whole set of tests, the first adapter socket 4 of the switch cabinet adapter is drawn out from the closed switch cabinet to connect with the adapter plug 3 of the circuit breaker handcart adapter.

When performing the low-voltage switching test, separate the adapter plug 3 from the first adapter socket 4, connect the second adapter socket 5 of the test adapter with the adapter plug 3, and then insert the test line into the test adapter Check and test the relevant circuit through the corresponding test hole on the test socket 6 of the device.

In summary, the beneficial effects of this embodiment are:

1. The general-purpose switchgear circuit breaker handcart secondary circuit test adapter is easy to use, can effectively reduce the safety risk of on-site operations, and effectively guarantee the actual safety of people and equipment in production.

2. It can do more work with half the effort for substation operators in the inspection and maintenance of the high-voltage circuit breaker of the switchgear, such as the whole set of transmission test, circuit breaker trolley jumping, and closing characteristic test, reducing labor intensity and improving the work of operators. Efficiency, greatly shortening the working time and improving the reliability of power supply.

The above are only preferred embodiments of the utility model, and do not limit the utility model in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention shall fall within the protection scope of the technical proposal of the present invention.

Claims (5)

1. The utility model provides a general type switch cabinet circuit breaker handcart secondary circuit test adapter, its characterized in that, including circuit breaker handcart adapter, switch cabinet adapter and test adapter, circuit breaker handcart adapter is including interconnect's aviation socket (1) and patchplug (3), aviation socket (1) are connected with the aviation plug of circuit breaker, switch cabinet adapter is including interconnect's aviation plug (2) and first patchplug (4), aviation plug (2) are connected with the aviation socket of switch cabinet, test adapter includes interconnect's second patchplug (5) and test socket (6), first patchplug (4), second patchplug (5) all match with patchplug (3), just be equipped with test hole on test socket (6), the test hole passes through test line and test instrument and links to each other.

2. The universal switchgear circuit breaker trolley secondary circuit test adapter according to claim 1, characterized in that the aerial socket (1) is connected with the patch plug (3) by means of a cable (7), and the pins of the patch plug (3) are connected with the corresponding jacks of the aerial socket (1) by means of the corresponding cores of the cable (7).

3. The universal switchgear circuit breaker trolley secondary circuit test adapter according to claim 1, characterized in that the aerial plug (2) is connected with the first adapter socket (4) by means of a cable (7), and the jacks of the first adapter socket (4) are all connected by means of corresponding cores of the cable (7) and corresponding pins of the aerial plug (2).

4. The universal switchgear circuit breaker trolley secondary circuit test adapter according to claim 1, characterized in that the second adapter socket (5) is connected with the test socket (6) by means of a cable (7), and that the test holes of the test socket (6) are each connected with the corresponding wire core of the cable (7) and the corresponding jack of the second adapter socket (5).

5. The secondary circuit test adapter for the universal switchgear breaker handcart according to claim 1, wherein the pins of the patch plug (3) are arranged in a matrix, and the jacks of the first patch socket (4) and the second patch socket (5) are in one-to-one correspondence with the pins of the patch plug (3).

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