CN221226943U - High-voltage board heat dissipation pressure relief device - Google Patents
High-voltage board heat dissipation pressure relief device Download PDFInfo
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- CN221226943U CN221226943U CN202323155945.4U CN202323155945U CN221226943U CN 221226943 U CN221226943 U CN 221226943U CN 202323155945 U CN202323155945 U CN 202323155945U CN 221226943 U CN221226943 U CN 221226943U
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- cabinet body
- heat dissipation
- pressure relief
- fixedly connected
- cabinet
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000011521 glass Substances 0.000 claims description 14
- 239000003350 kerosene Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000004044 response Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a heat dissipation and pressure relief device of a high-voltage cabinet, which relates to the technical field of high-voltage cabinets and comprises a cabinet body, wherein a pressure relief opening is formed in the inner top wall of the cabinet body, a pressure relief mechanism is arranged on the inner top wall of the cabinet body, a U-shaped guide plate is fixedly connected to the upper surface of the cabinet body, and two symmetrical heat dissipation openings are arranged on the outer surface of the cabinet body. It can dispel the heat and release the pressure to the cabinet body under the cooperation effect of thermovent, filter through setting up the cooperation effect between thermovent, relief mechanism, thermovent, filter to can avoid outside dust to get into the inside of the cabinet body under the protection of filter, thereby ensure the internal equipment normal operating of cabinet, thereby the inside high temperature high pressure gas that produces after taking place the short circuit, thereby the internal high temperature high pressure gas of cabinet makes relief mechanism trigger the response and opens the relief vent this moment, thereby increase the area of heat dissipation and release, make the high pressure gas discharge outside fast in relief vent and the thermovent, thereby reach the purpose of quick heat dissipation and release.
Description
Technical Field
The utility model relates to the technical field of high-voltage cabinets, in particular to a heat dissipation and pressure relief device of a high-voltage cabinet.
Background
The high-voltage cabinet, namely a high-voltage switch cabinet, is used for power generation, transmission, distribution, electric energy conversion and consumption of a power system and has the functions of on-off, control or protection. In the operation process of the high-voltage switch cabinet, a primary circuit short circuit fault is caused for various reasons, high-temperature high-pressure gas can be instantaneously generated under the short circuit current of tens of thousands of amperes, and if the high-temperature high-pressure gas cannot be effectively released in a narrow cabinet body in a very short time, the high-voltage switch cabinet can be burst, so that the surrounding high-voltage switch cabinets are damaged.
According to the China patent of application number 202121583478.3, a pressure relief and heat dissipation device of a high-voltage cabinet, which is beneficial to heat dissipation and pressure relief, is disclosed. The novel heat dissipation device comprises a cover body, wherein a trapezoid boss arched upwards is arranged in the middle of the cover body, heat dissipation holes arranged at display intervals are distributed on the side faces around the trapezoid boss, the heat dissipation holes are shutter type heat dissipation holes, a cover plate is erected above the cover body, and a heat dissipation fan is installed at the bottom end of the cover body.
The scheme has a certain limitation in actual use, the pressure release and heat dissipation are carried out only through the heat dissipation holes, but when the temperature and the pressure in the high-voltage cabinet are suddenly increased, the pressure release capacity of the heat dissipation holes is limited, the suddenly increased pressure cannot be timely discharged, and therefore the explosion of the high-voltage cabinet is easy to cause safety accidents; therefore, the heat dissipation and pressure relief device for the high-voltage cabinet solves the problems.
Disclosure of utility model
The utility model aims to make up the defects of the prior art and provides a heat dissipation and pressure relief device of a high-voltage cabinet.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-voltage board heat dissipation pressure relief device, includes the cabinet body, the pressure relief mouth has been seted up to the interior roof of the cabinet body, the interior roof of the cabinet body is provided with pressure release mechanism, the last fixedly connected with U type deflector of the cabinet body, the surface mounting of the cabinet body has two symmetrical thermovent, two the inside wall fixedly connected with two filter of the cabinet body, and filter and thermovent looks adaptation.
Further, sealing doors are arranged on the outer surface of the cabinet body, two electrical equipment chambers are arranged on the inner wall of the cabinet body, four supporting rods are fixedly connected to the upper surface of the cabinet body, and shielding plates are fixedly connected to one ends, far away from the upper surface of the cabinet body, of the four supporting rods.
Further, the pressure release mechanism comprises two fixed plates and a sliding plate, wherein the outer surfaces of the two fixed plates are fixedly connected to the inner top wall of the cabinet body, and the outer surfaces of the sliding plate are slidably connected to the inner wall of the U-shaped guide plate.
Further, a right angle plate is hinged to one side face, close to each other, of each of the two fixing plates, and a component groove is formed in the outer surface of each of the two right angle plates.
Further, two the inner wall of subassembly groove all rotates and is connected with the pivot, two the equal fixedly connected with installation piece of surface of pivot, two the heat-sensitive glass post is installed to the side that the installation piece is close to each other, and the inside packing of heat-sensitive glass post has kerosene, two the side fixedly connected with two elastic component that the installation piece is close to each other.
Further, the inner wall fixedly connected with sealed pad of slide, the surface fixedly connected with pressure release board of slide, and the surface of pressure release board peg graft in the inner wall of pressure release mouth.
Further, a chute is formed in the outer surface of the pressure relief plate, two sliding blocks are connected to the inner wall of the chute in a sliding mode, and the outer surface of each sliding block is hinged to the outer surface of the right angle plate.
Compared with the prior art, the high-voltage cabinet heat dissipation and pressure relief device has the following beneficial effects:
1. According to the utility model, through the cooperation of the pressure relief opening, the pressure relief mechanism, the heat dissipation opening and the filter plate, the cabinet body can be subjected to heat dissipation and pressure relief under the cooperation of the heat dissipation opening and the filter plate, and external dust can be prevented from entering the cabinet body under the protection of the filter plate, so that normal operation of equipment in the cabinet body is ensured, high-temperature and high-pressure gas is generated in the cabinet body after a short circuit occurs, and at the moment, the high-temperature and high-pressure gas in the cabinet body causes the pressure relief mechanism to trigger induction so as to open the pressure relief opening, the heat dissipation and pressure relief area is increased, and the high-pressure gas is rapidly discharged to the outside from the pressure relief opening and the heat dissipation opening, so that the aim of rapid heat dissipation and pressure relief is achieved.
2. According to the utility model, the cabinet body can be shielded by arranging the supporting rods and the shielding plates, so that the cabinet body is prevented from being damaged by rainwater and high-altitude parabolic matters, and the service life of the cabinet body is prolonged.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a schematic perspective view of a pressure relief mechanism according to the present utility model;
fig. 4 is a schematic perspective view of the sliding plate and the pressure release plate of the present utility model.
In the figure: 1. a cabinet body; 2. a pressure relief port; 3. a pressure release mechanism; 301. a fixing plate; 302. a right angle plate; 303. a component groove; 304. a rotating shaft; 305. a mounting block; 306. a heat-sensitive glass column; 307. an elastic component; 308. a slide plate; 309. a sealing gasket; 310. a pressure relief plate; 311. a chute; 312. a slide block; 4. u-shaped guide plates; 5. a heat radiation port; 6. a filter plate; 7. sealing the door; 8. an electrical equipment room; 9. a support rod; 10. a shielding plate.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
The embodiment provides a high-voltage board heat dissipation pressure relief device, the device is arranged in the use of high-voltage board to produce high temperature high pressure and dispel the heat the pressure release fast, through setting up the cooperation effect between relief pressure mouth 2, relief pressure mechanism 3, thermovent 5, filter 6, can dispel the heat and the pressure release to cabinet body 1 under the cooperation effect of thermovent 5, filter 6, and can avoid outside dust to get into the inside of cabinet body 1 under the protection of filter 6, thereby ensure cabinet body 1 internal equipment normal operating, inside production high temperature high-pressure gas after taking place the short circuit, thereby the inside high temperature high-pressure gas of cabinet body 1 makes relief pressure mechanism 3 trigger the response and opens relief pressure mouth 2 this moment, increase the area of heat dissipation pressure release, make high-pressure gas follow in relief pressure mouth 2 and the thermovent 5 and discharge outside fast, thereby reach the purpose of quick heat dissipation pressure release.
Referring to fig. 1-4, a heat dissipation and pressure relief device of a high-voltage cabinet comprises a cabinet body 1, wherein a pressure relief opening 2 is formed in the inner top wall of the cabinet body 1, and a pressure relief mechanism 3 is arranged in the inner top wall of the cabinet body 1.
Referring to fig. 1, 3 and 4, the pressure release mechanism 3 includes two fixing plates 301 and a sliding plate 308, the outer surface of the two fixing plates 301 is fixedly connected to the inner top wall of the cabinet body 1, the outer surface of the sliding plate 308 is slidably connected to the inner wall of the U-shaped guide plate 4, in this embodiment, the sliding plate 308 can stably lift and move under the guide of the U-shaped guide plate 4, and the sliding plate 308 can be blocked by the U-shaped guide plate 4, so that the damage to personnel caused by the sliding plate 308 flying out due to overlarge pressure is avoided.
A right angle plate 302 is hinged to one side surface of the two fixing plates 301, which is close to each other, and component grooves 303 are formed in the outer surfaces of the two right angle plates 302.
The inner walls of the two component grooves 303 are all rotationally connected with rotating shafts 304, the outer surfaces of the two rotating shafts 304 are all fixedly connected with mounting blocks 305, and in the embodiment, the rotating shafts 304 are rotationally connected with the inner walls of the component grooves 303, so that under the pulling of the elastic component 307, the two mounting blocks 305 can be always opposite, and the pulling force of the elastic component 307 is always kept to be maximized.
The side that two installation pieces 305 are close to each other installs heat-sensitive glass post 306, and the inside of heat-sensitive glass post 306 is filled with kerosene, in this embodiment the inside kerosene of heat-sensitive glass post 306, when the inside high temperature that produces of cabinet body 1, kerosene in heat-sensitive glass post 306 will begin to expand, liquid will break the glass ball after exceeding 68, thereby release the support to two installation pieces 305, the side that two installation pieces 305 are close to each other is fixedly connected with two elastic component 307, the state of elastic component 307 is in the state of pulling all the time in this embodiment, elastic component 307 pulls both sides 'installation piece 305 and drives rectangular plate 302 and hold up slide 308, pressure release plate 310 after heat-sensitive glass post 306 is broken, and the pulling force of elastic component 307 can't extrude the heat-sensitive glass post 306 under conventional state.
The inner wall fixedly connected with sealed pad 309 of slide 308, in this embodiment when slide 308 lid is sheltered from pressure release mouth 2 on cabinet body 1, can increase the inside closure of cabinet body 1 under sealed pad 309 effect, avoid outside air to get into the inside of cabinet body 1 from here, the surface fixedly connected with pressure release board 310 of slide 308, and pressure release board 310's surface grafting is in pressure release mouth 2's inner wall.
The outer surface of the pressure relief plate 310 is provided with a sliding groove 311, the inner wall of the sliding groove 311 is slidably connected with two sliding blocks 312, the outer surface of the sliding block 312 is hinged to the outer surface of the rectangular plate 302, in the embodiment, the rectangular plate 302 swings under the drive of the elastic component 307, the sliding block 312 is driven to move in the swinging process, the sliding block 312 moves stably under the guide of the sliding groove 311, at the moment, after the bottom plate surface of the rectangular plate 302 is in a horizontal state under the swinging of the rectangular plate 302, the other side of the rectangular plate 302 is in a vertical state, at the moment, the sliding block 312 moves to the two sides of the sliding groove 311 under the connection of the sliding block 312, and the sliding plate 308 and the pressure relief plate 310 can be supported to open the pressure relief opening 2, so that high-temperature and high-pressure discharge is rapidly carried out.
The upper surface fixedly connected with U type deflector 4 of the cabinet body 1, the surface mounting of the cabinet body 1 has two symmetrical thermovent 5, the inside wall fixedly connected with two cabinet bodies 1 is two filter 6, and filter 6 and thermovent 5 looks adaptation, thermovent 5 can dispel the heat and the pressure to the cabinet body 1 in this embodiment to can avoid outside dust to get into the inside of the cabinet body 1 under the protection of filter 6, thereby ensure the normal operating of cabinet body 1 internal equipment.
The sealing door 7 is installed to the surface mounting of the cabinet body 1, two electrical equipment rooms 8 are installed to the inner wall of the cabinet body 1, four bracing pieces 9 are fixedly connected with to the upper surface of the cabinet body 1, one end fixedly connected with shielding plate 10 of the upper surface of the cabinet body 1 is kept away from to four bracing pieces 9, in this embodiment four corners at the upper surface of the cabinet body 1 are fixed respectively to bracing pieces 9 and support shielding plate 10, afterwards shielding plate 10 can protect the cabinet body 1, avoid the cabinet body 1 to suffer from rainwater and high altitude parabolic injuries, improve the life of the cabinet body 1.
Working principle: when the embodiment is used, firstly, heat generated in the cabinet body 1 can be directly discharged through the heat dissipation opening 5 under the normal state, external dust can be prevented from entering the cabinet body 1 under the protection of the filter plate 6, so that equipment in the cabinet body 1 is protected, then, after the equipment in the cabinet body 1 is short-circuited to generate high-temperature high-pressure gas, the generated high temperature volatilizes and expands kerosene in the heat-sensitive glass column 306 to burst the heat-sensitive glass column 306, then, the mounting blocks 305 with two unsupported sides move towards the middle under the pulling of the two elastic components 307, the right-angle plate 302 is driven to perform circular arc swing in the process of mutually approaching the two mounting blocks 305, finally, when the right-angle plate 302 swings, the other side of the right-angle plate 302 is in a vertical state, and the slider 312 is driven to gradually move towards the two sides of the chute 311 under the hinged connection of the right-angle plate 302 and the slider 312, and the pressure release plate 310 and the slide plate 308 are gradually supported to release the pressure opening 2 in the moving process of the slider 312, so that the high-temperature high-pressure generated in the cabinet body 1 is rapidly discharged from the position of the opening 2.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a high-voltage board heat dissipation pressure release device, includes the cabinet body (1), its characterized in that: the novel intelligent cabinet temperature control cabinet is characterized in that a pressure relief opening (2) is formed in the inner top wall of the cabinet body (1), a pressure relief mechanism (3) is arranged on the inner top wall of the cabinet body (1), a U-shaped guide plate (4) is fixedly connected to the upper surface of the cabinet body (1), two symmetrical heat dissipation openings (5) are formed in the outer surface of the cabinet body (1), two filter plates (6) are fixedly connected to the inner side wall of the cabinet body (1), and the filter plates (6) are matched with the heat dissipation openings (5).
2. The high-voltage board heat dissipation and pressure relief device according to claim 1, wherein: the novel electric cabinet is characterized in that a sealing door (7) is arranged on the outer surface of the cabinet body (1), two electric equipment chambers (8) are arranged on the inner wall of the cabinet body (1), four supporting rods (9) are fixedly connected to the upper surface of the cabinet body (1), and a shielding plate (10) is fixedly connected to one end, far away from the upper surface of the cabinet body (1), of each supporting rod (9).
3. The high-voltage board heat dissipation and pressure relief device according to claim 1, wherein: the pressure release mechanism (3) comprises two fixing plates (301) and a sliding plate (308), wherein the outer surfaces of the two fixing plates (301) are fixedly connected to the inner top wall of the cabinet body (1), and the outer surfaces of the sliding plate (308) are slidably connected to the inner wall of the U-shaped guide plate (4).
4. A high-voltage board heat dissipation pressure relief device according to claim 3, characterized in that: a right angle plate (302) is hinged to one side face, close to each other, of each of the two fixing plates (301), and a component groove (303) is formed in the outer surface of each of the two right angle plates (302).
5. The heat dissipation and pressure relief device for a high-voltage board according to claim 4, wherein: the inner walls of the assembly grooves (303) are rotationally connected with rotating shafts (304), the outer surfaces of the rotating shafts (304) are fixedly connected with mounting blocks (305), heat-sensitive glass columns (306) are mounted on one side surfaces of the mounting blocks (305) which are close to each other, kerosene is filled in the heat-sensitive glass columns (306), and two elastic assemblies (307) are fixedly connected on one side surfaces of the mounting blocks (305) which are close to each other.
6. A high-voltage board heat dissipation pressure relief device according to claim 3, characterized in that: the inner wall fixedly connected with sealed pad (309) of slide (308), the surface fixedly connected with pressure release board (310) of slide (308), and the surface of pressure release board (310) is pegged graft in the inner wall of pressure release mouth (2).
7. The heat dissipation and pressure relief device for a high-voltage board according to claim 6, wherein: the outer surface of pressure release board (310) has seted up spout (311), the inner wall sliding connection of spout (311) has two sliders (312), and the surface of slider (312) articulates in the surface of right-angle plate (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323155945.4U CN221226943U (en) | 2023-11-22 | 2023-11-22 | High-voltage board heat dissipation pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323155945.4U CN221226943U (en) | 2023-11-22 | 2023-11-22 | High-voltage board heat dissipation pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221226943U true CN221226943U (en) | 2024-06-25 |
Family
ID=91542602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323155945.4U Active CN221226943U (en) | 2023-11-22 | 2023-11-22 | High-voltage board heat dissipation pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221226943U (en) |
-
2023
- 2023-11-22 CN CN202323155945.4U patent/CN221226943U/en active Active
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