CN217607266U

CN217607266U - Movable high-current switch box

Info

Publication number: CN217607266U
Application number: CN202221425304.9U
Authority: CN
Inventors: 印鹏; 蒋孝冬
Original assignee: Gif Research Center China Co ltd
Current assignee: Gif Research Center China Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-10-18
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a movable heavy current switch box, which is used for the circuit connection of two devices; the high-current switch box comprises a switch box body, and a high-voltage switch is arranged in the switch box body; two ends of a main contact of the high-voltage switch are respectively connected with main circuits of two devices; a K1 relay and a K3 relay are arranged in the switch box body, and the coil voltage of the K1 relay and the coil voltage of the K3 relay are both 24V. By adopting the technical scheme, the requirement of remote control on-off of a direct current or alternating current line in the test of the power assembly of the electric automobile is met, and the requirement in related tests is realized; meanwhile, the moving convenience of the experimental device is improved, and the experimental device is integrated with the test bench, so that the convenience and the efficiency of work are improved in practical application.

Description

Movable high-current switch box

Technical Field

The utility model belongs to the technical field of electrical switching equipment. More specifically, the utility model relates to a movable heavy current switch box.

Background

With the development of the electric automobile technology, the design and detection technology for the core components of the electric automobile is continuously developed, and especially the testing requirements on the aspect of the power assembly are gradually increased. Therefore, the method is very important for the technical matching research of the key detection equipment of the electric automobile.

In the prior art, various scattered components are often needed for remotely controlling the on-off of a high-voltage line of a power assembly of an electric automobile in a test bench, time is consumed for matching the components, and finally, certain difficulty is caused when different test benches are required to move.

SUMMERY OF THE UTILITY MODEL

The utility model provides a movable heavy current switch box, its purpose is the convenience that improves test bench operation efficiency and operation.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

the utility model discloses a movable heavy current switch box, which is used for the circuit connection of two devices; the high-current switch box comprises a switch box body, and a high-voltage switch is arranged in the switch box body; two ends of a main contact of the high-voltage switch are respectively connected with main circuits of two devices; the switch box body in be equipped with K1 relay and K3 relay, the coil voltage of K1 relay and K3 relay be 24V.

And a heat radiation fan is arranged in the side wall of the switch box body.

The air outlet of the cooling fan is provided with a filter screen.

A wiring terminal row is arranged at a position close to the heat radiation fan in the switch box body.

The K1 relay is arranged on the wiring terminal strip.

And a plurality of Glan heads are arranged on the outer wall of the box body of the closing box.

The K3 relay is arranged on the shell of the high-voltage switch.

And a grounding bolt is arranged on the bottom plate of the box closing body.

And a high-voltage switch coil wiring bar is arranged on the shell of the high-voltage switch.

The K1 relay is connected with a DO end of the signal input.

The K3 relay is connected with a DI end of the signal output feedback.

By adopting the technical scheme, the utility model meets the remote control on-off requirement of a direct current or alternating current circuit in the test of the power assembly of the electric automobile, and realizes the requirement in the related test; meanwhile, the moving convenience of the experimental device is improved, and the experimental device is integrated with the test bench, so that the convenience and the efficiency of work are improved in practical application.

Drawings

The contents of the drawings and the reference numbers in the drawings are briefly described as follows:

FIG. 1 is a schematic diagram of the connection and signal structure of the present invention;

fig. 2 is the schematic diagram of the internal structure of the switch box of the present invention.

Labeled in the figure as:

1. switch box, 2, high voltage switch, 3, glan head, 4, radiator fan, 5, filter screen panel, 6, K3 relay, 7, binding post row, 8, earth bolt, 9, high voltage switch coil connecting row, 10, K1 relay.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention by those skilled in the art.

The structure of the present invention, as shown in fig. 1 and 2, is a movable heavy current switch box, which is used for the circuit connection of two devices; the high-current switch box comprises a switch box body 1, and a high-voltage switch 2 is arranged in the switch box body 1; and two ends of a main contact of the high-voltage switch 2 are respectively connected with main circuits of two devices.

The utility model belongs to the technical field of test rack complete sets, concretely relates to based on remote control and can carry out heavy current break-make, movable heavy current switch box, carried out the design to prior art existence problem and improved and optimize, mainly used satisfies the experimental demand that electric automobile power assembly was surveyed.

In order to solve the problems existing in the prior art and overcome the defects thereof, the invention aims to improve the operation efficiency of the test bench and the convenience of operation, and the utility model adopts the technical scheme that:

as shown in fig. 2, the utility model discloses a movable heavy current switch box, switch box 1 in be equipped with K1 relay 10 and K3 relay 6, K1 relay 10 and K3 relay 6's coil voltage be 24V.

The movable switch box has the most remarkable characteristic of meeting the remote control on-off requirements of a direct current or alternating current circuit in the test of the power assembly of the electric automobile and realizing the requirements in related tests; meanwhile, the convenience of movement and the integration with the test bench are considered at the beginning of the design, so that the convenience and the efficiency of work are improved in the practical application.

The utility model discloses a switch box built-up part has the glan head of box, a plurality of specifications, takes filter screen panel's radiator fan, 24V relay, a plurality of terminal row, ground connection copper bolt and heavy current contactor etc. specifically as follows:

and a heat radiation fan 4 is arranged in the side wall of the switch box body 1. Because there is powerful switching element in the switch box 1, so produce a large amount of heats in the course of the work, lead to the temperature to rise, can effectively reduce the temperature in the box through radiator fan 4, guarantee the normal work of electrical device.

And a filtering net cover 5 is arranged at the air outlet of the radiating fan 4. The filter screen cover 5 can prevent foreign matters from entering the switch box body 1, so that the damage to a circuit is caused to influence the normal operation.

A wiring terminal strip 7 is arranged at a position close to the heat radiation fan 4 in the switch box body 1. The wiring of the electrical device of the switch box body 1 is connected through the wiring terminal on the wiring terminal row 7, so that the maintenance and the inspection are convenient, and the wiring error is avoided.

The K1 relay 10 is arranged on the terminal block 7. The function of the K1 relay 10 is to drive the starting and stopping of other electrical devices in the box body.

And a plurality of gland heads 3 are arranged on the outer wall of the box closing body 1. The glan head 3 is a waterproof joint for cables and functions to fasten and seal the cables. The cable is locked through the Glan, so that the cable does not generate axial displacement and radial rotation, and normal connection of the cable is guaranteed. The Glan head adopts different specifications and sizes according to the requirements.

The K3 relay 6 is arranged on the shell of the high-voltage switch 2. The function of the K3 relay 6 is to drive the main contacts in the high-voltage switch 2 to be switched on or off.

And a grounding bolt 8 is arranged on the bottom plate of the box closing body 1. All the electric devices in the box body are uniformly grounded by the grounding bolt 8 and are connected with a grounding grid of an electric system.

A high-voltage switch coil wiring bar 9 is arranged on the shell of the high-voltage switch 2.

The box body convenient to move is used for loading various components and centralizing the dispersed components in the box body, so that integration is realized, and effective support is provided for the mobility of the box body.

The K1 relay 10 is connected with a DO end of the signal input.

The K3 relay 6 is connected with a DI end of the signal output feedback.

The working principle is as follows: an operator sends a digital quantity DO signal to K1, simultaneously operates the controllable socket to provide 220V power supply for K2 and K3, receives a power-on feedback signal through DI, realizes the on-off of a large-current switch in remote control, and finally completes the three-phase switch connection between the equipment 1 and the equipment 2.

To sum up, the utility model discloses when improving test bench operation efficiency, the fully provided customer is surveyed the experimental demand of piece.

The above description is for illustrative purposes only, and it is obvious that the present invention is not limited by the above embodiments, and the present invention is not limited by the above description, and the present invention is applicable to other situations without any improvement or any substantial improvement.

Claims

1. A movable heavy current switch box is used for circuit connection of two devices; the high-current switch box comprises a switch box body (1), and a high-voltage switch (2) is arranged in the switch box body (1); two ends of a main contact of the high-voltage switch (2) are respectively connected with main circuits of two devices; the method is characterized in that: the switch box is characterized in that a K1 relay (10) and a K3 relay (6) are arranged in the switch box body (1), and the coil voltages of the K1 relay (10) and the K3 relay (6) are both 24V.

2. A portable high current switch cabinet according to claim 1, wherein: a heat radiation fan (4) is arranged in the side wall of the switch box body (1).

3. A portable high current switch cabinet according to claim 2, wherein: and a filtering net cover (5) is arranged at the air outlet of the heat radiation fan (4).

4. A portable high current switch cabinet according to claim 2, wherein: a wiring terminal row (7) is arranged at a position close to the heat radiation fan (4) in the switch box body (1).

5. A portable high current switch cabinet according to claim 4, wherein: the K1 relay (10) is arranged on the terminal block (7).

6. A portable high current switch cabinet according to claim 1, wherein: and a plurality of gland heads (3) are arranged on the outer wall of the box closing body (1).

7. A portable high current switch cabinet according to claim 1, wherein: the K3 relay (6) is arranged on the shell of the high-voltage switch (2).

8. A portable high current switch cabinet according to claim 1, wherein: and a grounding bolt (8) is arranged on a bottom plate of the box closing body (1).

9. A portable high current switch cabinet according to claim 1, wherein: a high-voltage switch coil wiring bar (9) is arranged on a shell of the high-voltage switch (2).

10. A portable high current switch cabinet according to claim 1, wherein: the K1 relay (10) is connected with a DO end of the signal input.

11. A portable high current switch cabinet according to claim 1, wherein: and the K3 relay (6) is connected with a DI end of the signal output feedback.