CN219513565U

CN219513565U - Explosion-proof switch board

Info

Publication number: CN219513565U
Application number: CN202320592047.6U
Authority: CN
Inventors: 陈培锋; 陈晨; 张峰
Original assignee: Shandong Chifeng Electric Co ltd
Current assignee: Shandong Chifeng Electric Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-08-11
Anticipated expiration: 2033-03-23

Abstract

The utility model relates to the technical field of power distribution cabinets and discloses an explosion-proof power distribution cabinet, which comprises a power distribution cabinet body, wherein heat dissipation boxes are arranged at the top and the bottom of the power distribution cabinet body, heat dissipation openings are formed between the inner wall and the outer wall of the periphery of the heat dissipation boxes, through holes are formed at the two sides between the inner wall of the power distribution cabinet body and the heat dissipation boxes, and heat conducting rods are fixedly installed through the inner walls of the through holes. In the buffer force-unloading device, the arc-shaped protruding buffer plate is matched with the elastic buffer action of the spring, when the distribution box explodes, the pressure in the box rises rapidly, the pressure impacts the inner box plate, the buffer plate is pressed to extend towards two ends at the moment, and the spring is pressed to generate reverse pressure to the inner box plate under the action of reverse elastic force generated by extrusion, so that a certain buffer force-unloading action is generated, the compression resistance of the inner box plate is improved, and the explosion-proof performance of the box is improved, and the situation that the box is directly broken during explosion to cause serious injury to the outside is avoided.

Description

Explosion-proof switch board

Technical Field

The utility model belongs to the technical field of power distribution cabinets, and particularly relates to an explosion-proof power distribution cabinet.

Background

The power distribution cabinet is power distribution equipment used for distributing, controlling and metering electric energy and connecting cables in an electric power supply system, and the inside of the power distribution cabinet is the equipment of the power distribution device which integrally meets the design function requirements through assembling protection devices such as switches, circuit breakers, fuses, buttons, indicator lamps, meters and wires.

The power consumption of switch board is big, and calorific capacity is big, and the possibility that the inside overheated and lead to the trouble to explode appears easily, current explosion-proof switch board all is provided with the louvre and is used for the radiating effect in order to improve switch board security generally, but also makes debris such as external dust or rainwater splash into the cabinet in the setting of louvre easily simultaneously, leads to the switch board to have impaired hidden danger.

The present utility model has been made in view of this.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

the utility model provides an explosion-proof switch board, includes the switch board box, switch board box top and bottom all are provided with the radiating box, the thermovent has all been seted up between the inner and outer wall around the radiating box, the through-hole has all been seted up to the both sides position between switch board box inner wall and the radiating box, and through-hole inner wall fixed mounting has the heat conduction stick, the pressure release hole has all been seted up between switch board box top and bottom inner wall central point put department and the radiating box, and switch board box inner wall is located two pressure release hole positions department and all is provided with the check valve, be provided with explosion-proof structure between switch board box inner wall and the outer wall.

As a preferred embodiment of the utility model, the box wall of the power distribution cabinet body is of a multi-layer structure and comprises an outer box plate, an inner box plate and a middle plate, wherein the middle plate is arranged between the outer box plate and the inner box plate, and the explosion-proof structure comprises reinforcing ribs arranged between the outer box plate and the middle plate.

As a preferred embodiment of the present utility model, the reinforcing ribs include warp ribs and weft ribs, and the warp ribs and the weft ribs are staggered in a grid shape.

As a preferred implementation mode of the utility model, the explosion-proof structure further comprises buffering force-unloading devices, wherein the buffering force-unloading devices are arranged between the inner box plate and the middle plate and distributed in a linear array.

In a preferred embodiment of the present utility model, the buffer force-unloading device includes a buffer plate, the buffer plate is disposed at a middle position of one side of the middle plate, which is close to the inner box plate, the section of the buffer plate is arc-shaped, and the middle position of the buffer plate protrudes toward the inner box plate.

As a preferred implementation mode of the utility model, connecting seats are arranged at the corresponding positions of the two ends of the buffer plate, the connecting seats are fixedly arranged on one side of the middle plate, which is close to the inner box plate, two through holes are formed between the two ends of the connecting seats, connecting rods are slidably arranged on the inner walls of the two through holes, one end, which is close to the buffer plate, of each connecting rod is fixedly connected with the buffer plate, an end plate is fixedly connected between one end, which is far away from the buffer plate, of each connecting rod, and springs are arranged between the buffer plate and the connecting seats on the outer sides of the circumferences of the connecting rods.

As a preferable implementation mode of the utility model, one end of the bottom of the heat conducting rod is inserted into the heat dissipation box, and two wind guide wheels are rotatably arranged on the outer side of the circumference of the heat conducting rod in the heat dissipation box.

Compared with the prior art, the utility model has the following beneficial effects:

1. the explosion-proof structure that sets up in the switch board box lateral wall has improved the security of box, the strengthening rib of latticed distribution has improved the wall bulk strength, and among the buffering that sets up unloads the power device, the bellied buffer plate of circular arc cooperation spring elasticity cushioning effect, when the switch board explodes, the case internal pressure rises fast, pressure produces the impact to interior case board, the buffer plate atress is extended to both ends this moment, and produce reverse pressure to interior case board under the reverse elasticity effect that the spring produced by the extrusion, produce certain buffering and unload the power effect, with the compressive action of interior case board, thereby the explosion-proof performance of box has been improved, avoid the box to directly chip and cause serious injury to the external world when the explosion.

2. The power distribution cabinet box body and the heat dissipation box of the separated structure enable the box wall of the power distribution cabinet box body not to be provided with a vent opening which is directly exposed, and the damage to circuits in the box caused by dust, rainwater and the like entering the box through the vent opening is avoided.

3. The heat dissipation of box body is through in the heat conduction stick leads the heat to the heat dissipation case, in the wind of blowing in by vent department brings the heat on the heat conduction stick out the heat dissipation incasement in order to reach the radiating purpose, and the setting of wind guide wheel carries out the dispersion direction to blowing for the blowing is more dispersed, and the scope of action is wider, thereby has improved radiating efficiency.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

FIG. 4 is a schematic view of a heat conducting rod according to the present utility model;

FIG. 5 is a schematic diagram of the front structure of the explosion-proof structure of the present utility model;

FIG. 6 is a schematic view of the back structure of the explosion-proof structure of the present utility model;

fig. 7 is an enlarged view of fig. 6 at B in accordance with the present utility model.

In the figure: 1. a power distribution cabinet box body; 2. a heat radiation box; 3. a heat radiation port; 4. a heat conduction rod; 5. a one-way valve; 6. a pressure relief hole; 7. an outer case plate; 8. an inner box plate; 9. an intermediate plate; 10. reinforcing ribs; 11. a buffer force-unloading device; 12. a wind guide wheel; 13. a buffer plate; 14. a connecting seat; 15. a connecting rod; 16. an end plate; 17. and (3) a spring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

The utility model provides an explosion-proof switch board, as shown in fig. 1-2, including switch board box 1, switch board box 1 top and bottom all are provided with heat dissipation case 2, heat dissipation mouth 3 has all been seted up between the inner and outer wall around the heat dissipation case 2, the through-hole has all been seted up to the both sides position between switch board box 1 inner wall and the heat dissipation case 2, it has heat conduction stick 4 to pass through-hole inner wall fixed mounting, pressure release hole 6 has all been seted up between switch board box 1 top and bottom inner wall central point put department and the heat dissipation case 2, and switch board box 1 inner wall is located two pressure release hole 6 positions and all is provided with check valve 5, be provided with explosion-proof structure between switch board box 1 inner wall and the outer wall.

The power distribution cabinet with the separated structure has the advantages that the power distribution cabinet body 1 and the heat dissipation box 2 are of the separated structure, a directly exposed ventilation opening is not needed to be arranged on the wall of the power distribution cabinet body 1, and the damage to circuits in the box caused by dust, rainwater and the like entering the box through the ventilation opening is avoided.

As shown in fig. 3 and 5, the wall of the power distribution cabinet 1 is of a multi-layer structure, and comprises an outer box plate 7, an inner box plate 8 and an intermediate plate 9, wherein the intermediate plate 9 is arranged between the outer box plate 7 and the inner box plate 8, and the explosion-proof structure comprises reinforcing ribs 10, and the reinforcing ribs 10 are arranged between the outer box plate 7 and the intermediate plate 9. The reinforcing rib 10 comprises warp direction ribs and weft direction ribs, and the warp direction ribs and the weft direction ribs are staggered with each other to form a grid shape.

The reinforcing ribs 10 distributed in a grid shape improve the overall strength of the box wall and improve the safety of the box body.

As shown in fig. 6-7, the explosion-proof structure further comprises a buffering force-unloading device 11, wherein the buffering force-unloading device 11 is arranged between the inner box plate 8 and the middle plate 9, and the buffering force-unloading devices 11 are distributed in a linear array. The buffering and force unloading device 11 comprises a buffering plate 13, the buffering plate 13 is arranged at the middle position of one side of the middle plate 9, which is close to the inner box plate 8, the section of the buffering plate 13 is arc-shaped, and the middle position of the buffering plate 13 protrudes towards the direction of the inner box plate 8. The buffer board 13 both ends correspond position department and all are provided with connecting seat 14, connecting seat 14 fixed mounting is close to interior boxboard 8 one side in intermediate plate 9, two perforation have been seted up between the connecting seat 14 both ends, it has connecting rod 15 to pass equal slidable mounting of two perforation inner walls, connecting rod 15 is close to buffer board 13 one end and buffer board 13 fixed connection, fixedly connected with end plate 16 between two connecting rod 15 keep away from buffer board 13 one end, connecting rod 15 circumference outside is located between buffer board 13 and the connecting seat 14 and is provided with spring 17.

The buffer plate 13 with the arc-shaped bulges is matched with the elastic buffer effect of the springs 17 in the buffer force unloading device 11, when the distribution box explodes, the pressure in the box rises rapidly, the pressure impacts the inner box plate 8, at the moment, the buffer plate 13 is pressed to extend towards the two ends, and the spring 17 generates reverse pressure under the action of reverse elasticity generated by extrusion, so that a certain buffer force unloading effect is generated, the compression resistance of the inner box plate 8 is improved, the explosion-proof performance of the box is improved, and serious injury to the outside caused by direct fragmentation of the box during explosion is avoided.

As shown in fig. 4, one end of the bottom of the heat conducting rod 4 is inserted into the heat dissipation box 2, and two wind guide wheels 12 are rotatably installed on the circumference outer side of the heat conducting rod 4 in the heat dissipation box 2.

The heat dissipation device has the advantages that heat is guided into the heat dissipation box 2 through the heat conduction rod 4, the heat on the heat conduction rod 4 is taken out of the heat dissipation box 2 by the air blown in from the heat dissipation opening 3, the air blowing is dispersed and guided by the arrangement of the air guide wheel 12, the air blowing is dispersed, the action range is wider, and the heat dissipation efficiency is improved.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an explosion-proof switch board, includes switch board box (1), its characterized in that, switch board box (1) top and bottom all are provided with radiating box (2), radiating hole (3) have all been seted up between radiating box (2) the inner and outer wall all around, through-hole has all been seted up in both sides position between switch board box (1) inner wall and radiating box (2), and through-hole inner wall fixed mounting has heat conduction stick (4), pressure release hole (6) have all been seted up between switch board box (1) top and bottom inner wall central point department and radiating box (2), and switch board box (1) inner wall is located two pressure release hole (6) position departments all are provided with check valve (5), be provided with explosion-proof structure between switch board box (1) inner wall and the outer wall.

2. The explosion-proof power distribution cabinet according to claim 1, wherein the cabinet wall of the power distribution cabinet body (1) is of a multi-layer structure and comprises an outer cabinet plate (7), an inner cabinet plate (8) and an intermediate plate (9), the intermediate plate (9) is arranged between the outer cabinet plate (7) and the inner cabinet plate (8), the explosion-proof structure comprises reinforcing ribs (10), and the reinforcing ribs (10) are arranged between the outer cabinet plate (7) and the intermediate plate (9).

3. The explosion-proof power distribution cabinet according to claim 2, wherein the reinforcing ribs (10) comprise warp ribs and weft ribs, which are staggered with each other in a grid shape.

4. The explosion-proof power distribution cabinet according to claim 2, wherein the explosion-proof structure further comprises a buffering force-unloading device (11), the buffering force-unloading device (11) is arranged between the inner box plate (8) and the middle plate (9), and the buffering force-unloading devices (11) are distributed in a linear array.

5. The explosion-proof power distribution cabinet according to claim 4, wherein the buffering and force-unloading device (11) comprises a buffering plate (13), the buffering plate (13) is arranged at the middle position of one side of the middle plate (9) close to the inner box plate (8), the section of the buffering plate (13) is in an arc bending shape, and the middle position of the buffering plate (13) protrudes towards the inner box plate (8).

6. The explosion-proof power distribution cabinet according to claim 5, wherein connecting seats (14) are arranged at corresponding positions of two ends of the buffer plate (13), the connecting seats (14) are fixedly mounted on one side, close to the inner box plate (8), of the middle plate (9), two through holes are formed between two ends of the connecting seats (14), connecting rods (15) are slidably mounted on inner walls penetrating through the two through holes, one end, close to the buffer plate (13), of the connecting rods (15) is fixedly connected with the buffer plate (13), end plates (16) are fixedly connected between one end, far away from the buffer plate (13), of the two connecting rods (15), and springs (17) are arranged between the buffer plate (13) and the connecting seats (14) on the outer sides of circumferences of the connecting rods (15).

7. The explosion-proof power distribution cabinet according to claim 1, wherein one end of the bottom of the heat conducting rod (4) is inserted into the heat dissipation box (2), and two wind guide wheels (12) are rotatably arranged on the outer side of the circumference of the heat conducting rod (4) and located in the heat dissipation box (2).