CN211209070U

CN211209070U - Middle-mounted switch cabinet pressure relief device

Info

Publication number: CN211209070U
Application number: CN201922381557.5U
Authority: CN
Inventors: 雍孟涛; 李得召; 崔士才; 刘庆彪
Original assignee: Henan Zhongkun Industrial Co ltd
Current assignee: Henan Zhongkun Industrial Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-08-07
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a put formula cubical switchboard pressure relief device in, including dustcoat and inner cover, the dustcoat suit is outside at the inner cover, the opening direction of dustcoat and inner cover is unanimous, the inner cover includes the filter cloth, the filter cloth is soft ventilative cloth, the filter cloth corresponds with the inner cover opening and personally submits the wave form of bending, the dustcoat includes the protection casing, the protection casing is metal stereoplasm casing, the protection casing sets up the one side at the filter cloth, the protection casing surface all sets up the opening with the position that filter cloth wave length both ends correspond, and this put formula cubical switchboard pressure relief device in passes through the mode of dustcoat outside extension, and combines the effect of inner cover filter department, when expanding gaseous convection section, reduces outside dust and rainwater and gets into the internal portion of cabinet.

Description

Middle-mounted switch cabinet pressure relief device

Technical Field

The utility model relates to a switch board technical field specifically is a well put formula cubical switchboard pressure relief device.

Background

When a primary circuit compartment of a switch cabinet breaks down, internal electrical elements can generate a large amount of heat instantly, so that the inside of the switch cabinet can form a high-pressure environment quickly, if high-temperature high-pressure gas in the primary circuit compartment cannot be released effectively in a very short time, the switch cabinet can explode, personal and property safety is seriously threatened, therefore, the conventional switch cabinet can be provided with a pressure relief opening on the surface for balancing the internal and external air pressure of the cabinet body, but the pressure relief opening of the conventional switch cabinet is mostly simple and small through holes for promoting the waterproof capability as much as possible on the premise of ensuring ventilation, and external dust or rainwater is reduced to enter the inside of the cabinet body.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a built-in cubical switchboard pressure relief device, through the outside mode that extends of dustcoat, and combine the inner cover to filter the department effect, when enlarging gaseous convection section area, reduce outside dust and rainwater and get into the internal portion of cabinet, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mid-positioned cubical switchboard pressure relief device, includes dustcoat and inner cover, the dustcoat suit is outside at the inner cover, the opening direction of dustcoat and inner cover is unanimous, the inner cover includes the filter cloth, the filter cloth is soft ventilative cloth, the filter cloth corresponds with the inner cover opening and personally submits the wave form of bending, the dustcoat includes the protection casing, the protection casing is metal stereoplasm casing, the protection casing sets up the one side at the filter cloth, the protection casing surface all sets up the opening with the position that filter cloth wave length both ends correspond.

As a preferred technical scheme of the utility model, the opening part at protection casing both ends is fixed respectively and is set up stereoplasm filter screen and tip baffle, the tip baffle surface runs through and sets up the through-hole, through-hole internally mounted exhaust fan.

As a preferred technical scheme of the utility model, the protection casing sets up multiunit pressure release mouth with the surface of the outer cover opening face that corresponds, the protection casing outside that the pressure release mouth corresponds sets up rain-proof cover.

As a preferred technical scheme of the utility model, the inner cover still includes the support frame, the support frame includes multiunit parallel arrangement's the body of rod, the support frame passes through bolt fixed mounting with the dustcoat, the filter cloth suit is outside at the support frame.

Compared with the prior art, the beneficial effects of the utility model are that: this put formula cubical switchboard pressure relief device in adopts and sets up great bleeder vent on cabinet body surface, and set up mutual nested inner cover and dustcoat in the bleeder vent outside, it is epitaxial with the bleeder vent, bend through the wave of inner cover, increase heat transfer area, promote the radiating efficiency, and simultaneously through the filtering action of inner cover, effectively avoid outside dust and moisture to get into the internal portion of cabinet, simultaneously through the dustcoat effect, play the effect of protection to the inner cover, set up more pressure release mouth on the surface of the outer cover simultaneously, when the internal portion of cabinet produces high temperature high-pressure gas, help quick pressure release.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the present invention;

fig. 3 is the schematic diagram of the inner cover structure of the present invention.

In the figure: the device comprises an outer cover 1, a pressure relief opening 101, a baffle at the end part 102, a suction fan 103, a hard filter screen 104, a protective cover 105, an inner cover 2, a supporting frame 201 and a filter cloth 202.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a mid-positioned cubical switchboard pressure relief device, including dustcoat 1 and inner casing 2, dustcoat 1 suit is outside at inner casing 2, dustcoat 1 is unanimous with the opening direction of inner casing 2, inner casing 2 includes filter cloth 202, filter cloth 202 is soft ventilative cloth, filter cloth 202 corresponds with inner casing 2 openings and personally submits the wave form of bending, bend the form through setting up the wave, thereby increase filter cloth 202's surface area, increase heat transfer area, promote heat-sinking capability, dustcoat 1 includes protection casing 105, protection casing 105 is the metal stereoplasm casing, protection casing 105 sets up the one side at filter cloth 202, protection casing 105 surface all sets up the opening with the position that filter cloth 202 wave length both ends correspond, inside gas is discharged from the opening part of both sides after through the heat transfer of inner casing 2.

The opening part at protection casing 105 both ends is fixed respectively and is set up stereoplasm filter screen 104 and tip baffle 102, and tip baffle 102 surface runs through and sets up the through-hole, and through-hole internally mounted extraction fan 103 through the effect of extraction fan 103, makes the inside negative pressure that forms of protection casing 105, forces the inside outside motion of cabinet body hot-air to play the radiating effect of initiative.

Protection casing 105 sets up multiunit pressure release mouth 101 with the surface of the 1 opening corresponding face of dustcoat, and the protection casing 105 outside that pressure release mouth 101 corresponds sets up rain-proof cover, through set up pressure release mouth 101 on protection casing 105 surface, helps inside high temperature high-pressure gas to let out fast, and through setting up rain-proof cover, effectively avoids the rainwater to pass through pressure release mouth 101 and gets into.

The inner cover 2 further comprises a support frame 201, the support frame 201 comprises a plurality of groups of rod bodies which are arranged in parallel, the support frame 201 and the outer cover 1 are fixedly installed through bolts, the filter cloth 202 is sleeved outside the support frame 201, and the shape stability of the filter cloth 202 is guaranteed through the supporting effect of the support frame 201.

When in use: at the great through-hole of cabinet body surface beginning, cover inner casing 2 and dustcoat 1 at the opening part, during the use, the effect of extraction fan 103 makes inside external gas pass through protection casing 105, makes its inside negative pressure space that forms to force the internal portion gas of cabinet to arrange outward, thereby accomplish the pressure release and the heat dissipation of the internal portion of cabinet.

The utility model discloses a set up great bleeder vent on cabinet body surface, and set up mutual nested inner cover 2 and dustcoat 1 in the bleeder vent outside, epitaxial with the bleeder vent, bend through the wave of inner cover 2, increase heat transfer area, promote the radiating efficiency, and simultaneously through the filtering action of inner cover 2, effectively avoid outside dust and moisture to get into the internal portion of cabinet, simultaneously through dustcoat 1 effect, play the effect of protection to inner cover 2, set up more pressure release mouth on dustcoat 1 surface simultaneously, when the internal portion of cabinet produces high temperature high-pressure gas, help quick pressure release.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a put formula cubical switchboard pressure relief device in, includes dustcoat (1) and interior cover (2), its characterized in that: the utility model discloses a protection cover, including interior cover (2), outer cover (1) suit, the opening direction of outer cover (1) and interior cover (2) is unanimous, interior cover (2) include filter cloth (202), filter cloth (202) are soft ventilative cloth, filter cloth (202) are personally submitted the wave with interior cover (2) opening correspondence and are bent the form, outer cover (1) are including protection casing (105), protection casing (105) are the metal stereoplasm casing, protection casing (105) set up the one side at filter cloth (202), protection casing (105) surface all sets up the opening with the position that filter cloth (202) wave length both ends correspond.

2. The centrally-mounted switchgear pressure relief device according to claim 1, wherein: the opening part at both ends of the protective cover (105) is respectively and fixedly provided with a hard filter screen (104) and an end baffle (102), the surface of the end baffle (102) is provided with a through hole in a penetrating way, and an exhaust fan (103) is arranged in the through hole.

3. The centrally-mounted switchgear pressure relief device according to claim 1, wherein: protection casing (105) and surface that the dustcoat (1) opening corresponds the face set up multiunit pressure release mouth (101), protection casing (105) outside that pressure release mouth (101) correspond sets up rain-proof cover.

4. The centrally-mounted switchgear pressure relief device according to claim 1, wherein: the inner cover (2) further comprises a support frame (201), the support frame (201) comprises a plurality of groups of rod bodies which are arranged in parallel, the support frame (201) and the outer cover (1) are fixedly installed through bolts, and the filter cloth (202) is sleeved outside the support frame (201).