CN204228761U - For the junction box of VS1 type vacuum breaker mechanical features test - Google Patents

Abstract

The utility model relates to a junction box used for testing the mechanical characteristics of a VS1 type vacuum circuit breaker. The junction box provided by the utility model for testing the mechanical characteristics of the VS1 vacuum circuit breaker has a socket in the box that matches the plug on the circuit breaker, and the box is also equipped with an energy storage circuit for controlling the vacuum circuit breaker. The on-off energy storage switch, the closing switch for controlling the on-off of the closing circuit of the vacuum circuit breaker, the blocking switch for controlling the on-off of the blocking circuit of the vacuum circuit breaker, and the branching switch for controlling the on-off of the opening circuit of the vacuum circuit breaker Brake switch; by setting the socket and energy storage switch, closing switch, locking switch, and opening switch, the energy storage circuit and locking circuit in the VS1 vacuum circuit breaker are led out, and automatic energy storage and locking can be realized during the test, and the operation is very convenient. It is convenient and reduces the labor intensity of technicians.

Description

Junction box for mechanical characteristic test of VS1 vacuum circuit breaker

technical field

The utility model relates to a junction box used for testing the mechanical characteristics of a VS1 type vacuum circuit breaker.

Background technique

The mechanical characteristic test is the most important test item in the circuit breaker test. The test contents include: opening and closing speed, opening and closing time, degree of opening and closing different periods, low voltage action and closing bounce, etc.; the purpose is to detect high voltage open circuit The reliability of the circuit breaker can be judged according to the test results whether the circuit breaker should continue to be used, repaired or replaced. Simply speaking, it is to open and close the circuit breaker and check the action parameters of the circuit breaker.

The VS1 vacuum circuit breaker is widely used due to its good performance. When performing the mechanical characteristic test on the VS1 vacuum circuit breaker, since the VS1 vacuum circuit breaker is equipped with a lead-out plug, it is used to test the VS1 vacuum circuit breaker. The plug is equipped with pins with different functions, including a pair of pins used to test the mechanical characteristics of the VS1 vacuum circuit breaker; in addition, the VS1 vacuum circuit breaker is also equipped with an energy storage mechanism and a locking mechanism , the energy storage mechanism and the locking mechanism are also required to cooperate during the mechanical characteristic test.

In the prior art, when performing mechanical characteristic tests on VS1 vacuum circuit breakers, the wires are directly connected to the pins so that the VS1 vacuum circuit breaker is connected to the test device, such as using conductive wire clips to fix the wires on the pins , the specific test also needs to manually operate the energy storage mechanism and the locking mechanism. This wiring method has the following disadvantages: 1. It causes waste of human resources and requires the cooperation of many people to complete the test. For example, technical personnel who need to manually store energy and manually close, Operators who need to operate the test device, technicians who need a reliable connection between the fixed clamp and the pin; The electrical connection between the needle and the clamp is unstable; 3. The test efficiency is low.

Contents of the invention

The junction box provided by the utility model for testing the mechanical characteristics of the VS1 vacuum circuit breaker aims to overcome the shortcomings of low test efficiency caused by difficult wiring and poor wiring reliability during the mechanical characteristic test of the VS1 vacuum circuit breaker in the prior art.

In order to solve the above technical problems, the utility model adopts the following technical scheme: the junction box used for testing the mechanical characteristics of the VS1 vacuum circuit breaker includes a box body and a cover arranged on the box body, and the cover is arranged on the On the box, the box is provided with a socket that is compatible with the plug on the circuit breaker, and the box is also provided with an energy storage switch for controlling the on-off of the vacuum circuit breaker energy storage circuit, and for controlling the vacuum circuit breaker. The closing switch for switching on and off the closing circuit, the blocking switch for controlling the switching of the blocking circuit of the vacuum circuit breaker and the opening switch for controlling the switching of the opening circuit of the vacuum circuit breaker, the energy storage switch, the closing switch, Both the locking switch and the opening switch are independently electrically connected to the socket. The box is divided into a cavity for placing the socket and a circuit room for setting the circuit through a partition. The box is also equipped with a power supply for supplying power to the circuit room. interface, the energy storage switch and the locking switch are separately electrically connected to the power interface, and the detection device for detecting the vacuum circuit breaker is electrically connected to the socket through the connection hole on the box body, and the closing switch and the opening switch are connected to the separate The connecting holes are electrically connected, and the box body is also provided with a handle that makes the box body easy to carry.

As a preference, wires for electrically connecting the energy storage switch, the closing switch, the locking switch and the opening switch to the socket are provided between the socket and the circuit room, and the wires are plugged into the socket, and the socket There are several wiring holes, the wires are provided with binding posts that match the wiring holes, and the binding posts are provided with elastic sheets for making the connection between the binding posts and the wiring holes reliable. There are marks used to identify the function of the wiring hole. By plugging the wires into the socket, the connection and removal of the wires to the socket are convenient. During the specific use process, the pins on the corresponding plugs of each circuit of the vacuum switch may be different. Plugging the wires into the socket can easily change the position of the wires, so that the pins on the plug can be electrically connected to the wires correctly, which is very convenient to use; in addition, by setting the elastic sheet, the binding posts can be closely matched with the wiring holes, The electrical connection performance between the terminal post and the terminal hole is improved.

Preferably, the socket includes jacks that are compatible with the plug, and each jack is provided with a label for identifying the function of the jack. By setting the label, the electrical principle of the VS1 vacuum circuit breaker is combined. The picture can easily know the functions of the corresponding pins of each jack, which is convenient to use.

As a preference, the socket is also provided with an elastic clip arm for making the socket and the plug connected reliably, and the elastic clip arm is arranged on the socket through a connecting screw, and the end of the elastic clip arm far away from the socket is also provided with for making the plug convenient Inserted guide part, the guide part and the elastic clip arm are of an integrated structure, and the elastic clip arm is also provided with an anti-skid layer for increasing the friction force between the elastic clip arm and the plug, and the anti-skid layer is bonded to the elastic clip arm On the arm, the elastic clamp arm is also provided with reinforcing ribs for improving the elasticity of the elastic clamp arm. By setting the elastic clamp arm on the socket, the socket and the plug are connected reliably during the specific use process. Due to the installation position of the vacuum circuit breaker during the test The socket and the plug can be tested in a suspended state. Therefore, it is necessary to set the elastic clip arm to make the connection between the plug and the socket reliable and easy to use; in addition, the connection performance between the plug and the socket can be further improved by setting an anti-skid layer; The elasticity of the elastic clip arm prolongs the service life of the elastic clip arm.

As a preference, the box is also provided with an elastic fixing piece for fixing the socket, and the elastic fixing piece is arranged in the box through fixing screws, the elastic fixing piece is provided with a groove for fixing the socket, and the socket is provided with There are protrusions that match the grooves, and the cross-sectional shape of the protrusions is 1/2 circle. By setting elastic fixing pieces in the box, the socket can be reliably fixed in the box, preventing the box from being carried The socket is damaged during the process, which prolongs the service life of the socket.

As a preference, the box body is also provided with a foldable bracket for supporting the box body on the ground, the bracket is arranged on the box body through a rotational connection, and the box body is provided with a connecting groove for setting the bracket , the box body is also provided with an accommodating groove for accommodating the bracket when the bracket is folded. The way is set on the side wall of the connecting groove, and the bracket is provided with a pin hole for piercing the pin shaft. By setting the bracket, the box body can be conveniently fixed at a suitable height during specific use, so that the box body can be operated more easily. It is convenient, improves the test efficiency, and is easy to use; in addition, the bracket can be folded, making the box more convenient to carry.

The junction box provided by the utility model for testing the mechanical characteristics of the VS1 vacuum circuit breaker has the following advantages: the box is provided with a socket that matches the plug on the circuit breaker, and the box is also provided with a socket for controlling the vacuum circuit breaker. The energy storage switch for switching on and off the energy storage circuit of the vacuum circuit breaker, the closing switch for controlling the switching of the closing circuit of the vacuum circuit breaker, the blocking switch for controlling the switching of the blocking circuit of the vacuum circuit breaker and the opening circuit for controlling the vacuum circuit breaker The on-off opening switch; the socket, the energy storage switch, the closing switch, the locking switch, and the opening switch are connected to lead out the energy storage circuit and the locking circuit in the VS1 vacuum circuit breaker, and the automatic energy storage and locking circuit can be realized during the test. Locking, the operation is very convenient, which reduces the labor intensity of technicians; in addition, the socket is connected to the plug on the VS1 vacuum circuit breaker, and the wiring operation during the test can be realized only by matching the socket and the plug. The operation is very convenient and the wiring It is reliable, improves the test efficiency and is very convenient to operate.

Description of drawings

Accompanying drawing 1 is the top view of the junction box cover of the utility model used for testing the mechanical characteristics of the VS1 vacuum circuit breaker after unfolding,

Accompanying drawing 2 is A direction partial view in accompanying drawing 1,

Accompanying drawing 3 is the enlarged view of place B in accompanying drawing 2,

Accompanying drawing 4 is the bottom view of the junction box used for the mechanical characteristic test of VS1 vacuum circuit breaker of the utility model,

Accompanying drawing 5 is the schematic diagram of the bracket in the junction box used for testing the mechanical characteristics of the VS1 type vacuum circuit breaker of the present invention after being deployed.

Detailed ways

The junction box used for testing the mechanical characteristics of the VS1 vacuum circuit breaker of the present utility model will be further described below in conjunction with the accompanying drawings. As shown in Figure 1, Figure 2, Figure 3, Figure 4, and Figure 5, the junction box used for testing the mechanical characteristics of VS1 type vacuum circuit breakers includes a box body 1 and a cover 2 arranged on the box body 1, the cover 2 is installed on the box body 1 through the rotation connection of the hinge 3. The box body 1 is equipped with a socket 4 that is compatible with the plug on the circuit breaker. The plug is an original device on the VS1 vacuum circuit breaker. The box body 1 is also provided with an energy storage switch 5 for controlling the on-off of the energy storage circuit of the vacuum circuit breaker, a closing switch 6 for controlling the on-off of the closing circuit of the vacuum circuit breaker, and a closing switch for controlling the on-off of the locking circuit of the vacuum circuit breaker. The locking switch 7 of the vacuum circuit breaker and the opening switch 8 for controlling the opening and closing of the opening circuit of the vacuum circuit breaker, the energy storage circuit, the opening circuit, the closing circuit and the blocking circuit are all original circuits in the VS1 vacuum circuit breaker, so The energy storage switch 5, the closing switch 6, the locking switch 7 and the opening switch 8 are all electrically connected to the socket 4 independently, and the box body 1 is divided into a placement cavity 10 for placing the socket 4 and a setting circuit through a partition 9 The circuit chamber 11, the box body 1 is also provided with a power interface 12 for supplying power to the circuit chamber 11, the energy storage switch 5 and the lock switch 7 are separately electrically connected to the power interface 12, and are used to detect the vacuum circuit breaker. The detection device is electrically connected to the socket 4 by setting the connection hole 13 on the box body 1, the closing switch 6 and the opening switch 8 are electrically connected to the separate connection hole 13, and the box body 1 is also provided with a box body 1 Handle 14 for easy carrying.

As shown in Figure 2, optionally, wires for electrically connecting the energy storage switch 5, the closing switch 6, the locking switch 7 and the opening switch 8 to the socket 4 are provided between the socket 4 and the circuit chamber 11 15. The wire 15 is plugged into the socket 4, and the socket 4 is provided with a plurality of wiring holes 16, and the wire 15 is provided with a terminal 17 suitable for the wiring hole 16, and the wiring hole 16 The quantity should be the same as the number of jacks 20 on the socket 4. In the accompanying drawings, four wiring holes 16 are drawn in order to clearly show the matching mode of the wiring holes 16 and the binding posts 17. The number of wiring holes 16 should be the same as The number of jacks 20 is the same, and the terminal post 17 is provided with an elastic sheet 18 for connecting the terminal post 17 and the terminal hole 16 reliably, and each terminal hole 16 is provided on the socket 4 for marking the connection. The mark 19 of the function of the hole 16, the wire 15 and the socket 4 can also be electrically connected in other ways, but in the specific use process, the position of the wire 15 may need to be exchanged. Therefore, it is preferable to connect the wire 15 and the socket 4 by plugging To connect, the mark 19 can be the number set on the socket 4.

As shown in FIG. 1 , optionally, the socket 4 includes jacks 20 compatible with the plug, and the socket 4 is provided with a label 21 at each jack 20 for identifying the function of the jack 20, The label 21 may be a serial number for each jack 20 .

As shown in Fig. 1 and Fig. 2, optionally, the socket 4 is also provided with an elastic clip arm 22 for reliably connecting the socket 4 and the plug, and the elastic clip arm 22 is arranged on the socket 4 through a connecting screw 23, The end of the elastic clip arm 22 away from the socket 4 is also provided with a guide part 24 for making the plug easy to insert. The anti-slip layer 25 that increases the friction between the elastic clip arm 22 and the plug, the anti-skid layer 25 is bonded on the elastic clip arm 22, and the elastic clip arm 22 is also provided with reinforcing ribs 26 for improving the elasticity of the elastic clip arm 22 , the reinforcing rib 26 and the elastic clip arm 22 are of an integrated structure, and the elastic clip arm 22 can also be arranged on the socket 4 in other ways, but it should be arranged in a detachable connection mode so that the elastic clip arm 22 is damaged can be easily replaced afterwards.

As shown in Fig. 1 and Fig. 2, optionally, an elastic fixing piece 27 for fixing the socket 4 is also provided in the box body 1, and the elastic fixing piece 27 is arranged in the box body 1 by fixing screws. The elastic fixing piece 27 is provided with a groove 28 for fixing the socket 4, and the socket 4 is provided with a protrusion 29 matching the groove 28, and the cross-sectional shape of the protrusion 29 is 1/2 circle .

As shown in Figure 4 and Figure 5, optionally, the box body 1 is also provided with a foldable bracket 31 for supporting the box body 1 on the ground, the cross-sectional shape of the bracket 31 should be polygonal, The bracket 31 can have three or more, so that the box body 1 can be reliably supported in a suitable position, and the bracket 31 is arranged on the box body 1 through a rotational connection, and the box body 1 is provided with a bracket for setting 31 connecting groove 32, the box body 1 is also provided with a receiving groove 33 for accommodating the bracket 31 when the bracket 31 is folded, the receiving groove 33 communicates with the connecting groove 32, and the bracket 31 is set by a pin shaft 34 On the box body 1, the pin shaft 34 is arranged on the side wall of the connecting groove 32 through a detachable connection, and the bracket 31 is provided with a pin hole for passing the pin shaft 34, and the box body 1 is also provided with A fixing structure for fixing the bracket 31 in the folded state should be provided, the fixing structure can be a nylon buckle arranged on the base, and the fixing structure can also utilize the friction between the bracket 31 and the pin shaft 34 to hold the bracket 31 is fixed in the folded state.

During the use of the above technical solution, the socket 4 is connected to the plug of the VS1 type vacuum circuit breaker, and then the power interface 12 is connected to the power supply, and the connector is connected to the test for detecting the VS1 type vacuum circuit breaker through the connection hole 13. The devices are connected, that is, the wiring of the mechanical characteristic test of the VS1 vacuum circuit breaker is completed, and then the mechanical characteristic test of the VS1 vacuum circuit breaker can be carried out through the test device. Switch 7 and opening switch 8 lead out the energy storage circuit and locking circuit in the VS1 vacuum circuit breaker. Automatic energy storage and locking can be realized during the test. The operation is very convenient and reduces the labor intensity of technicians; in addition, through the socket 4 Connected with the plug on the VS1 vacuum circuit breaker, the wiring operation during the test can be realized only by matching the socket 4 with the plug. The operation is very convenient and the wiring is reliable, which improves the test efficiency and is very convenient to operate.

The above are only preferred embodiments of the present invention, intended to reflect the outstanding technical effects and advantages of the present invention, and are not intended to limit the technical solutions of the present invention. Those skilled in the art should understand that all modifications, changes or replacement technical features made based on the technical contents of the present invention shall fall within the technical scope of the appended claims of the present invention.

Claims (6)

1. for the junction box of VS1 type vacuum breaker mechanical features test, it is characterized in that: comprise casing (1) and be arranged on the lid (2) on casing (1), described lid (2) is rotationally connected by hinge (3) and is arranged on casing (1), the socket (4) suitable with plug on isolating switch is provided with in described casing (1), the energy storage switch (5) for controlling vacuum circuit breaker tank circuit break-make is also provided with in described casing (1), for controlling the closing switch (6) of vacuum circuit breaker closing circuit break-make, for controlling the latch switch (7) of vacuum circuit breaker locked loop break-make and the separating brake switch (8) for controlling vacuum circuit breaker sub-gate circuit break-make, described energy storage switch (5), closing switch (6), latch switch (7) and separating brake switch (8) are all independent to be electrically connected with socket (4), described casing (1) is divided into the placed cavity for placing socket (4) (10) by dividing plate (9) and arranges the circuit room (11) of circuit, the power interface (12) for powering to circuit room (11) is also provided with in described casing (1), described energy storage switch (5) and latch switch (7) are electrically connected with power interface (12) separately, pick-up unit for detecting vacuum circuit breaker is electrically connected with socket (4) by the hole (13) that connects arranged on casing (1), described closing switch (6) and separating brake switch (8) with connect separately hole (13) and be electrically connected, described casing (1) is also provided with and makes casing (1) portable handle (14).

2. the junction box for the test of VS1 type vacuum breaker mechanical features according to claim 1, it is characterized in that: be provided with for making energy storage switch (5) between described socket (4) and circuit room (11), closing switch (6), the wire (15) that latch switch (7) and separating brake switch (8) are electrically connected with socket (4) separately, described wire (15) is plugged on socket (4), described socket (4) is provided with several wiring holes (16), described wire (15) is provided with the binding post (17) suitable with wiring hole (16), described binding post (17) is provided with for making binding post (17) be connected reliable flexure strip (18) with wiring hole (16), described socket (4) is equipped with the mark (19) for identifying this wiring hole (16) function at each wiring hole (16) place.

3. the junction box for the test of VS1 type vacuum breaker mechanical features according to claim 1 and 2, it is characterized in that: described socket (4) comprises the jack (20) suitable with plug, described socket (4) is equipped with the label (21) acted on for identifying this jack (20) at each jack (20) place.

4. the junction box for the test of VS1 type vacuum breaker mechanical features according to claim 3, it is characterized in that: described socket (4) is also provided with for making socket (4) be connected reliable elasticity jig arm (22) with plug, stating elasticity jig arm (22) is arranged on socket (4) by attachment screw (23), described elasticity jig arm (22) is also provided with for making plug be convenient to the guide part (24) inserted away from one end of socket (4), described guide part (24) and elasticity jig arm (22) are integral type structure, described elasticity jig arm (22) is also provided with the skid resistant course (25) for increasing elasticity jig arm (22) and plug friction force, described skid resistant course (25) is bonded in elasticity jig arm (22), described elasticity jig arm (22) is also provided with for improving elasticity jig arm (22) flexible reinforcement (26).

5. the junction box for the test of VS1 type vacuum breaker mechanical features according to claim 1, it is characterized in that: in described casing (1), be also provided with the flexible fastening sheet (27) for fixed socket (4), described flexible fastening sheet (27) is arranged in casing (1) by gib screw, described flexible fastening sheet (27) is provided with the groove (28) for fixed socket (4), described socket (4) is provided with the projection (29) suitable with groove (28), the shape of cross section of described projection (29) is 1/2 circle.

6. according to claim 1 or 5 for the junction box of VS1 type vacuum breaker mechanical features test, it is characterized in that: described casing (1) is also provided with for casing (1) is supported on the ground and bracket with foldable (31), described support (31) is arranged on casing (1) by being rotationally connected, described casing (1) is provided with the link slot (32) for arranging support (31), described casing (1) is also provided with the holding tank (33) being used for containment bracket (31) when support (31) is folding, described holding tank (33) communicates with link slot (32), described support (31) is arranged on casing (1) by bearing pin (34), described bearing pin (34) is arranged on by releasable connection mode on the sidewall of link slot (32), described support (31) is provided with the pin-and-hole for wearing bearing pin (34).