CN219304319U

CN219304319U - Pressure relief device for high-voltage switch cabinet

Info

Publication number: CN219304319U
Application number: CN202223384443.4U
Authority: CN
Inventors: 李华; 孙成广; 张强; 阎晨闯; 刘木军
Original assignee: Heilongjiang Dingsheng Electric Complete Equipment Co ltd
Current assignee: Heilongjiang Dingsheng Electric Complete Equipment Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-07-04
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a pressure relief device for a high-voltage switch cabinet, which belongs to the technical field of high-voltage switch cabinets and comprises a cabinet body, wherein four springs are fixedly connected to the upper part of the inner side of the cabinet body. This pressure relief device for high tension switchgear through setting up plate body, slider, connecting plate and pressure release hole, when the internal arc fault that takes place of cabinet, when the internal atmospheric pressure of cabinet reaches certain degree, makes the pneumatic extrusion plate body for the plate body utilizes the slider to carry out the upward movement in the through-hole, makes the slider drive connecting plate upward movement, in order to reach the pressure release hole and be in the state of exposing, makes the internal atmospheric pressure of cabinet can carry out the discharge work through the pressure release hole, and then this device makes the cabinet possess good pressure release function, so that it is difficult for the sudden rise in the inside gas temperature after long-time use in order to reach insulating material and the unable phenomenon that produces the gasification of metal material, and then avoids the internal explosion because of atmospheric pressure of cabinet, in order to this personal safety of guaranteeing personnel on every side.

Description

Pressure relief device for high-voltage switch cabinet

Technical Field

The utility model belongs to the technical field of high-voltage switch cabinets, and particularly relates to a pressure relief device for a high-voltage switch cabinet.

Background

The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion, power consumption and the like of a power system and plays roles in on-off, control or protection, however, the existing high-voltage switch cabinet does not have a good pressure relief function, so that the temperature of gas in the cabinet can rise suddenly after the high-voltage switch cabinet is used for a long time, the gasification phenomenon of insulating materials and metal materials is promoted, and further the explosion caused by the fact that the insulating materials and the metal materials cannot bear internal pressure is caused, so that the personal safety of surrounding personnel is seriously influenced.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the pressure relief device for the high-voltage switch cabinet, which solves the problems that the prior high-voltage switch cabinet does not have a good pressure relief function, so that the temperature of gas in the cabinet can be suddenly increased after the prior high-voltage switch cabinet is used for a long time, the gasification phenomenon of insulating materials and metal materials is promoted, and further, the insulating materials and the metal materials cannot bear the internal pressure to explode, and the personal safety of surrounding personnel is seriously affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pressure relief device for high tension switchgear, includes the cabinet body, four springs of the top fixedly connected with of the internal side of cabinet, four the bottom of spring and the top fixedly connected with of same plate body, the equal fixedly connected with slider in both sides of plate body, two the slider is fixedly connected with connecting plate respectively, two pressure release holes have all been seted up to the both sides of the cabinet body, fixedly connected with motor lapping plate on the cabinet body, the top of the internal side of cabinet is provided with heat abstractor.

As a further aspect of the utility model: the heat dissipation device comprises two bearings, and the two bearings are respectively clamped above the inner side of the cabinet body.

As a further aspect of the utility model: the bearing is internally sleeved with a rotating shaft, the top end of one rotating shaft is fixedly connected with the output shaft of the driving motor, and the front surface of the driving motor is fixedly connected with the back surface of the motor lapping plate.

As a further aspect of the utility model: the outer fixedly connected with sprocket of pivot, two the sprocket is connected with same chain drive, two the bottom of pivot is all fixedly connected with radiator fan.

As a further aspect of the utility model: through holes are formed in two sides of the cabinet body, and the two sliding blocks are respectively and slidably connected in the two through holes.

As a further aspect of the utility model: the cabinet body is fixedly connected with supporting legs, and the number of the supporting legs is four.

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

1. this pressure relief device for high tension switchgear through setting up plate body, slider, connecting plate and pressure release hole, when the internal arc fault that takes place of cabinet, when the internal atmospheric pressure of cabinet reaches certain degree, makes the pneumatic extrusion plate body for the plate body utilizes the slider to carry out the upward movement in the through-hole, makes the slider drive connecting plate upward movement, in order to reach the pressure release hole and be in the state of exposing, makes the internal atmospheric pressure of cabinet can carry out the discharge work through the pressure release hole, and then this device makes the cabinet possess good pressure release function, so that it is difficult for the sudden rise in the inside gas temperature after long-time use in order to reach insulating material and the unable phenomenon that produces the gasification of metal material, and then avoids the internal explosion because of atmospheric pressure of cabinet, in order to this personal safety of guaranteeing personnel on every side.

2. This pressure relief device for high tension switchgear is through setting up heat abstractor for driving motor's output shaft drives one of them pivot and rotates, makes when one of them pivot rotates utilize the transmission connection of sprocket and chain and then can drive another pivot and rotate in step, makes two pivots drive radiator fan respectively and rotates, in order to reach the work of dispelling the heat to the cabinet body.

3. This pressure relief device for high tension switchgear through setting up the through-hole, and the through-hole makes the slider possess the space that removes, and then makes the plate body receive the extrusion back of atmospheric pressure, utilizes the slider to upwards move that can be smooth to reach the connecting plate and upwards move that can be smooth, impel the internal atmospheric pressure of cabinet to carry out the discharge work through the pressure relief hole.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of a cabinet body according to the present utility model;

FIG. 3 is a schematic view of a three-dimensional structure of a cabinet body according to the present utility model;

FIG. 4 is a schematic view of a three-dimensional structure of a plate body according to the present utility model;

FIG. 5 is a schematic diagram of a heat dissipating device according to the present utility model;

in the figure: 1 cabinet body, 2 springs, 3 plate bodies, 4 sliding blocks, 5 connecting plates, 6 pressure relief holes, 7 motor lapping plates, 8 heat dissipating devices, 81 bearings, 82 rotating shafts, 83 driving motors, 84 chain wheels, 85 chains, 86 heat dissipating fans, 9 through holes and 10 supporting legs.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-5, the present utility model provides a technical solution: the utility model provides a pressure relief device for high tension switchgear, including cabinet body 1, the through-hole 9 has all been seted up to cabinet body 1 both sides, and two sliders 4 sliding connection respectively are in two through-holes 9, through setting up through-hole 9, and through-hole 9 makes plate 3 utilize slider 4 can smooth upwards move, can upwards move when reaching plate 3 when receiving the extrusion of atmospheric pressure, and simultaneously plate 3 upwards moves, and slider 4 can drive connecting plate 5 and upwards move in step, makes pressure relief hole 6 can be in the state of exposing;

the support legs 10 are fixedly connected under the cabinet body 1, the number of the support legs 10 is four, and the support legs 10 are arranged, so that the cabinet body 1 has a certain distance when being contacted with the ground, and the cabinet body 1 is prevented from being affected by the ground dampness, so that the cabinet cannot normally run;

four springs 2 are fixedly connected to the upper part of the inner side of the cabinet body 1, the bottom ends of the four springs 2 are fixedly connected to the upper part of the same plate body 3, and the springs 2 are arranged, so that the plate body 3 can smoothly move while being provided with fixed points, and the plate body 3 is prevented from falling to the bottom of the cabinet body 1, so that the use is lost;

the two sides of the plate body 3 are fixedly connected with the sliding blocks 4, and the sliding blocks 4 are arranged, so that the plate body 3 can move upwards by utilizing the sliding blocks 4 and the sliding blocks 4 drive the connecting plates 5 to synchronously move upwards;

the two sliding blocks 4 are fixedly connected with the connecting plates 5 respectively, and by arranging the connecting plates 5, when the plate body 3 is not extruded by air pressure, the connecting plates 5 can seal the pressure release holes 6 to prevent external dust from entering the cabinet body 1 so as to influence electronic elements in the cabinet body;

two pressure relief holes 6 are formed in two sides of the cabinet body 1, and the pressure in the cabinet body 1 can be discharged through the pressure relief holes 6 by arranging the pressure relief holes 6, so that the pressure in the cabinet body 1 is reduced, and explosion is avoided;

the motor lapping plate 7 is fixedly connected to the cabinet body 1, and the motor lapping plate 7 is arranged, so that the driving motor 83 is provided with a fixed point, and adverse effects caused by shaking and displacement when the driving motor 83 operates can be reduced;

the upper part of the inner side of the cabinet body 1 is provided with the heat dissipation device 8, the heat dissipation device 8 comprises two bearings 81, the two bearings 81 are respectively clamped above the inner side of the cabinet body 1, and the rotating shaft 82 can smoothly rotate in the bearings 81 by arranging the bearings 81 without falling off;

the bearing 81 is sleeved with a rotating shaft 82, the top end of one rotating shaft 82 is fixedly connected with the output shaft of a driving motor 83, the front surface of the driving motor 83 is fixedly connected with the back surface of a motor lapping plate 7, the rotating shaft 82 can drive a cooling fan 86 to smoothly rotate through the arrangement of the rotating shaft 82 and the driving motor 83, and meanwhile, the output shaft of the driving motor 83 can drive one rotating shaft 82 to smoothly rotate;

the outer fixedly connected with sprocket 84 of pivot 82, two sprockets 84 and the same chain 85 transmission are connected, the equal fixedly connected with radiator fan 86 of bottom of two pivots 82, through setting up sprocket 84, chain 85 and radiator fan 86 for one of them pivot 82 utilizes sprocket 84 and chain 85's transmission to be connected and then can drive another pivot 82 and rotate in step, and radiator fan 86 can dispel the heat the work in the cabinet body 1 simultaneously, avoids the electronic component in the cabinet body 1 to receive the influence of high temperature.

The working principle of the utility model is as follows:

when arc faults occur in the cabinet body 1 to cause the air pressure to be too high so as to cause the plate body 3 to be extruded by the air pressure, the plate body 3 can gradually move upwards through the elastic force of the spring 2, and the plate body 3 can be caused to move upwards in the through hole 9 by utilizing the sliding block 4;

the sliding block 4 can move upwards along the connecting plate 5, and when the connecting plate 5 moves upwards to a certain position, the pressure relief hole 6 can be in an exposed state, so that the air pressure in the cabinet body 1 can be discharged, and the pressure relief work is completed.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims

1. The utility model provides a pressure relief device for high tension switchgear, includes the cabinet body (1), its characterized in that: four springs (2) are fixedly connected to the upper portion of the inner side of the cabinet body (1), four springs (2) are fixedly connected to the bottom of the springs and the upper portion of the same plate body (3), sliding blocks (4) are fixedly connected to the two sides of the plate body (3), two connecting plates (5) are fixedly connected to the sliding blocks (4) respectively, two pressure relief holes (6) are formed in the two sides of the cabinet body (1), motor bridging plates (7) are fixedly connected to the cabinet body (1), and heat dissipation devices (8) are arranged on the upper portion of the inner side of the cabinet body (1).

2. The pressure relief device for a high-voltage switch cabinet according to claim 1, wherein: the heat dissipation device (8) comprises two bearings (81), and the two bearings (81) are respectively clamped above the inner side of the cabinet body (1).

3. The pressure relief device for a high-voltage switch cabinet according to claim 2, wherein: the bearing (81) is internally sleeved with a rotating shaft (82), the top end of one rotating shaft (82) is fixedly connected with an output shaft of a driving motor (83), and the front surface of the driving motor (83) is fixedly connected with the back surface of a motor lapping plate (7).

4. A pressure relief device for a high voltage switchgear as claimed in claim 3, wherein: the outer fixedly connected with sprocket (84) of pivot (82), two sprocket (84) with same chain (85) transmission is connected, two the bottom of pivot (82) is all fixedly connected with radiator fan (86).

5. The pressure relief device for a high-voltage switch cabinet according to claim 1, wherein: through holes (9) are formed in two sides of the cabinet body (1), and the two sliding blocks (4) are respectively and slidably connected in the two through holes (9).

6. The pressure relief device for a high-voltage switch cabinet according to claim 1, wherein: the cabinet is characterized in that supporting legs (10) are fixedly connected under the cabinet body (1), and the number of the supporting legs (10) is four.