CN216355433U - Explosion-proof switch cabinet - Google Patents
Explosion-proof switch cabinet Download PDFInfo
- Publication number
- CN216355433U CN216355433U CN202122636805.3U CN202122636805U CN216355433U CN 216355433 U CN216355433 U CN 216355433U CN 202122636805 U CN202122636805 U CN 202122636805U CN 216355433 U CN216355433 U CN 216355433U
- Authority
- CN
- China
- Prior art keywords
- pressure relief
- channel
- explosion
- cabinet body
- side wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Patch Boards (AREA)
Abstract
The utility model discloses an explosion-proof switch cabinet which comprises a cabinet body, a first pressure relief assembly and a second pressure relief assembly. An air chamber, a cable chamber, a pressure relief channel, a first channel and a second channel are arranged in the cabinet body, the first channel is respectively communicated with the air chamber and the pressure relief channel, and the second channel is respectively communicated with the cable chamber and the pressure relief channel; the first pressure relief assembly is mounted on the side wall of the cabinet body and positioned on the first channel; the second pressure relief assembly is mounted on the side wall of the cabinet body and located on the second channel. According to the explosion-proof switch cabinet disclosed by the utility model, the gas chamber and the cable chamber are respectively communicated with the pressure relief channel and matched with the first pressure relief assembly and the second pressure relief assembly to conduct the arcing gas flow in the gas chamber and the cable chamber, so that the explosion caused by the arcing gas flow is avoided, and the safety is favorably improved.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to an explosion-proof switch cabinet.
Background
During the actual use of the switch cabinet, various faults may occur, for example, arcing faults due to short circuits. Once arcing faults occur, the switch cabinet is likely to explode, arcing airflow is generated, and people around the switch cabinet may be damaged, so that the current switch cabinet has certain potential safety hazards, and the safety of the switch cabinet is poor.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an explosion-proof switch cabinet which can improve safety.
According to the embodiment of the utility model, the explosion-proof switch cabinet comprises: the cabinet body is internally provided with an air chamber, a cable chamber, a pressure relief channel, a first channel and a second channel, wherein the first channel is respectively communicated with the air chamber and the pressure relief channel, and the second channel is respectively communicated with the cable chamber and the pressure relief channel; the first pressure relief assembly is mounted on the side wall of the cabinet body and positioned on the first channel; and the second pressure relief assembly is arranged on the side wall of the cabinet body and positioned on the second channel.
The explosion-proof switch cabinet provided by the embodiment of the utility model at least has the following beneficial effects: when the arcing trouble takes place, the arcing air current in the air chamber can get into the pressure release passageway through first pressure release subassembly, and the arcing air current in the cable chamber can get into the pressure release passageway through second pressure release subassembly, promptly, through the air chamber that will be filled with gas and the cable chamber that does not have gas respectively with the pressure release passageway intercommunication to avoid the internal arcing air current extrusion cabinet body of cabinet, in order to avoid causing the explosion, be favorable to improving the security.
According to some embodiments of the utility model, the first pressure relief assembly includes a mounting member, an explosion-proof sheet, a sealing member and a fixing member, the mounting member is mounted on the side wall of the cabinet body and located on the first channel, the mounting member is provided with a through hole and a mounting cavity, the through hole is communicated with the first channel through the mounting cavity, the explosion-proof sheet is mounted in the mounting cavity and located on the through hole, the fixing member is mounted in the mounting cavity, the first surface of the fixing member abuts against the explosion-proof sheet, the second surface of the fixing member abuts against the side wall of the cabinet body, and the sealing member is embedded between the fixing member and the side wall of the mounting cavity, so that the arcing gas in the gas chamber can flow from the first channel to the pressure relief channel.
According to some embodiments of the utility model, the second pressure relief assembly comprises a pressure relief plate removably mounted to a side wall of the cabinet and positioned on the second passage to facilitate flow of the arcing gases from the second passage to the pressure relief passage.
According to some embodiments of the utility model, a fastener is arranged on the pressure relief plate, a clamping groove adapted to the fastener is arranged on the side wall of the cabinet body, and the pressure relief plate is detachably mounted on the side wall of the cabinet body through the fastener and the clamping groove and is positioned on the second channel, so that the pressure relief plate can open the second channel under the action of the arcing gas.
According to some embodiments of the present invention, the locking member is provided with a connecting portion and a locking portion, a first end of the connecting portion is connected to the pressure relief plate, the locking portion is connected to a second end of the connecting portion, and a cross-sectional area of the second end of the connecting portion is smaller than a cross-sectional area of the locking portion, so as to facilitate locking.
According to some embodiments of the utility model, the first side of the pressure relief plate is rotatably connected to the side wall of the cabinet, and the latch is located on the second side of the pressure relief plate to prevent the pressure relief plate from being completely separated from the second channel.
According to some embodiments of the utility model, a pressure relief opening is arranged at the top of the cabinet body, and the pressure relief opening is communicated with the pressure relief channel so as to facilitate the ejection of the arcing air flow from the upper part of the cabinet body.
According to some embodiments of the utility model, the pressure relief vent is provided with a barrier net to prevent foreign objects from entering the pressure relief channel from the pressure relief vent.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic cross-sectional view of an explosion-proof switchgear according to an embodiment of the present invention;
FIG. 2 is an enlarged partial view of FIG. 1 circled at location A;
FIG. 3 is an enlarged fragmentary view of FIG. 1 circled at location B;
fig. 4 is a schematic partial cross-sectional view of an explosion-proof switchgear in accordance with some embodiments of the present invention.
The reference numbers are as follows:
the cabinet body 100, the air chamber 110, the cable chamber 120, the pressure relief channel 130, the first channel 140, the second channel 150, the clamping groove 151, the first pressure relief assembly 200, the mounting member 210, the through hole 211, the mounting cavity 212, the explosion-proof sheet 220, the sealing member 230, the fixing member 240, the second pressure relief assembly 300, the pressure relief plate 310, the fastener 320, the connecting portion 321, and the fastening portion 322.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, an explosion-proof switchgear includes a cabinet body 100, a first pressure relief assembly 200, and a second pressure relief assembly 300. An air chamber 110, a cable chamber 120, a pressure relief channel 130, a first channel 140 and a second channel 150 are arranged in the cabinet 100, the first channel 140 is respectively communicated with the air chamber 110 and the pressure relief channel 130, and the second channel 150 is respectively communicated with the cable chamber 120 and the pressure relief channel 130; the first pressure relief assembly 200 is mounted on a side wall of the cabinet 100 and located on the first channel 140; a second pressure relief assembly 300 is mounted on a side wall of the cabinet 100 and located on the second passage 150. The first channel 140 is used for communicating the air chamber 110 and the pressure relief channel 130, the air chamber 110 contains air for insulation, and the first pressure relief assembly 200 is located on the first channel 140 to ensure that the air chamber 110 has good sealing performance in normal operation; the second channel 150 is used to communicate the cable chamber 120, in which the cable or electronic device is present, with the pressure relief channel 130, and the second pressure relief assembly 300 is located on the first channel 140 to prevent dust from falling into the cable chamber 120 through the second channel 150. Make air chamber 110 and cable chamber 120 all communicate with pressure release channel 130 through first passageway 140 and second passageway 150 to through first pressure release subassembly 200 and second pressure release subassembly 300, make air chamber 110 and cable chamber 120 can normal practical when not taking place the arcing trouble, and when the arcing trouble takes place in air chamber 110 or cable chamber 120, can in time drain the arcing air current to pressure release channel 130, in order to avoid the arcing air current to cause the explosion, be favorable to improving the security.
Referring to fig. 2, the first pressure relief assembly 200 includes a mounting member 210, an explosion-proof sheet 220, a sealing member 230 and a fixing member 240, the mounting member 210 is mounted on a side wall of the cabinet 100 and located on the first channel 140, a through hole 211 and a mounting cavity 212 are provided on the mounting member 210, the through hole 211 is communicated with the first channel 140 through the mounting cavity 212, the explosion-proof sheet 220 is mounted in the mounting cavity 212 and located on the through hole 211, the fixing member 240 is mounted in the mounting cavity 212, and a first surface of the fixing member 240 abuts against the explosion-proof sheet 220, a second surface of the fixing member 240 abuts against a side wall of the cabinet 100, and the sealing member 230 is embedded between the fixing member 240 and the side wall of the mounting cavity 212. The installation part 210 is used for determining the relative positions of the explosion-proof sheet 220, the sealing part 230 and the fixing part 240, the explosion-proof sheet 220 is used for avoiding explosion caused by arcing gas flow, the sealing part 230 is used for improving sealing performance and avoiding gas leakage, and the fixing part 240 is used for fixing the relative position of the explosion-proof sheet 220 in the installation cavity 212 and avoiding looseness of the explosion-proof sheet 220 in the installation cavity 212. In the absence of an arcing fault in the gas chamber 110, i.e., in the normal operation of the gas chamber 110, the rupture disc 220 and the seal 230 cooperate to block the first passage 140 to prevent gas leakage from the gas chamber 110. When the arcing trouble takes place at air chamber 110, explosion-proof piece 220 receives the atmospheric pressure influence and takes place deformation, and when atmospheric pressure exceeded explosion-proof piece 220's the upper limit that bears, explosion-proof piece 220 broke or because deformation and drop from installed part 210, then the arcing air current can get into pressure release passageway 130 through first passageway 140 to avoid the arcing air current to initiate the explosion, be favorable to improving the security, and simple structure is favorable to reduce cost.
It should be noted that in some embodiments, the first pressure relief assembly 200 may employ a pressure relief valve.
Referring to fig. 1, the second pressure relief assembly 300 includes a pressure relief plate 310, the pressure relief plate 310 being detachably mounted on a side wall of the cabinet 100 and located on the second passage 150. Wherein, pressure relief board 310 demountable installation is on the lateral wall of cabinet body 100 and is located second passageway 150 to when the arcing trouble takes place for cable chamber 120, pressure relief board 310 can open second passageway 150 under the extrusion of arcing air current, so that cable chamber 120 and pressure relief passageway 130 communicate in order to carry out the pressure release, be favorable to improving the security, in addition, pressure relief board 310 simple structure is favorable to reduce cost.
It should be noted that in some embodiments, the second pressure relief assembly 300 may employ a pressure relief valve.
Referring to fig. 3, the pressure relief plate 310 is provided with a locking member 320, a side wall of the cabinet 100 is provided with a locking groove 151 adapted to the locking member 320, and the pressure relief plate 310 is detachably mounted on the side wall of the cabinet 100 through the locking member 320 and the locking groove 151 and is located on the second channel 150. The pressure relief plate 310 is mounted on the sidewall of the cabinet 100 by means of a snap fit and is located on the second channel 150, so that the pressure relief plate 310 can fall off from the second channel 150 when the pressure exceeds the upper limit of the pressure, and the arcing gas flow enters the pressure relief channel 130, which is beneficial to improving the safety.
It should be noted that, the locking groove 151 is adapted to the locking element 320, that is, the locking groove 151 can accommodate the locking element 320, and the locking element 320 can be fixed in the locking groove 151 after being inserted into the locking groove 151, and the locking element 320 can be removed from the locking groove 151 after being subjected to a certain external force.
Referring to fig. 3, the latch 320 is provided with a connecting portion 321 and a latching portion 322, a first end of the connecting portion 321 is connected to the pressure relief plate 310, the latching portion 322 is connected to a second end of the connecting portion 321, and a cross-sectional area of the second end of the connecting portion 321 is smaller than a cross-sectional area of the latching portion 322. The connecting portion 321 is used for connection, and the fastening portion 322 is used for fastening. The cross-sectional area of the second end of the connecting part 321 is smaller than that of the clamping part 322, and the clamping groove 151 is matched with the clamping part 320, then, the clamping groove 151 comprises a first accommodating groove for accommodating the connecting part 321 and a second accommodating groove for accommodating the clamping part 322, so that when the clamping part 320 is inserted into the clamping groove 151, the clamping part 322 is abutted against the side wall of the first accommodating groove, and under the action of external force, elastic deformation occurs between the clamping part 322 and the side wall of the first accommodating groove, and then the clamping part 322 enters the second accommodating groove, and the pressure relief plate 310 is fixed. When arcing trouble takes place in cable chamber 120, the pressure relief board 310 is strikeed to the arcing air current to make buckle portion 322 receive external force, with the lateral wall of the first holding tank of extrusion, thereby take place elastic deformation, and then shift out from draw-in groove 151, make pressure relief board 310 drop from second passageway 150, so that with the arcing air current introduction to pressure relief passageway 130, be favorable to improving the security.
Referring to fig. 3 and 4, the locking portion 322 may have a spherical or triangular geometry.
It should be noted that in some embodiments, a first side of the pressure relief plate 310 is rotatably connected to a second side of the second channel 150, and the latch 320 is located on the second side of the pressure relief plate 310. Wherein, the first side of the pressure release plate 310 is connected to the second side of the second channel 150 by rotating, so that the pressure release plate 310 can rotate relative to the second channel 150 after being impacted by the arcing airflow, thereby the second side of the pressure release plate 310 is far away from the second channel 150, so that the pressure release plate 310 is still connected to the cabinet body 100 while the second channel 150 is opened, so that the pressure release plate 310 is prevented from completely falling off from the cabinet body 100 under the effect of the arcing airflow to block the outlet of the pressure release channel 130, so that the potential safety hazard is reduced, and the safety is improved.
In addition, a pressure relief port is provided at the top of the cabinet 100, and the pressure relief port is communicated with the pressure relief channel 130. Wherein, the pressure relief opening is the export of pressure relief passageway 130, through setting up the pressure relief opening at the top of cabinet body 100 to spout the arcing air current from the top of cabinet body 100, be favorable to avoiding the arcing air current to spout equipment or personnel that are located around the cabinet body 100, thereby be favorable to improving the security.
In addition, the blocking net is arranged on the pressure relief opening, and the installation of the blocking net is beneficial to preventing foreign matters from falling into the pressure relief channel 130 from the pressure relief opening so as to avoid influencing the use of the pressure relief channel 130.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (8)
1. An explosion-proof cubical switchboard which characterized in that includes:
the cabinet body is internally provided with an air chamber, a cable chamber, a pressure relief channel, a first channel and a second channel, wherein the first channel is respectively communicated with the air chamber and the pressure relief channel, and the second channel is respectively communicated with the cable chamber and the pressure relief channel;
the first pressure relief assembly is mounted on the side wall of the cabinet body and positioned on the first channel;
and the second pressure relief assembly is arranged on the side wall of the cabinet body and positioned on the second channel.
2. The explosion-proof switch cabinet according to claim 1, wherein the first pressure relief assembly comprises a mounting member, an explosion-proof sheet, a sealing member and a fixing member, the mounting member is mounted on the side wall of the cabinet body and located on the first channel, the mounting member is provided with a through hole and a mounting cavity, the through hole is communicated with the first channel through the mounting cavity, the explosion-proof sheet is mounted in the mounting cavity and located on the through hole, the fixing member is mounted in the mounting cavity, the first surface of the fixing member is abutted against the explosion-proof sheet, the second surface of the fixing member is abutted against the side wall of the cabinet body, and the sealing member is embedded between the fixing member and the side wall of the mounting cavity.
3. The explosion proof switch cabinet of claim 1, wherein said second pressure relief assembly comprises a pressure relief plate removably mounted on a side wall of said cabinet body and located on said second channel.
4. The explosion-proof switch cabinet according to claim 3, wherein a fastener is disposed on the pressure relief plate, a slot adapted to the fastener is disposed on the side wall of the cabinet body, and the pressure relief plate is detachably mounted on the side wall of the cabinet body through the fastener and the slot and is located on the second channel.
5. The explosion-proof switch cabinet according to claim 4, wherein the buckle is provided with a connecting portion and a buckle portion, a first end of the connecting portion is connected with the pressure relief plate, the buckle portion is connected with a second end of the connecting portion, and a cross-sectional area of the second end of the connecting portion is smaller than a cross-sectional area of the buckle portion.
6. The explosion-proof switch cabinet according to claim 4 or 5, wherein a first side of the pressure relief plate is rotatably connected with a side wall of the cabinet body, and the fastener is located at a second side of the pressure relief plate.
7. The explosion-proof switch cabinet according to claim 1, wherein a pressure relief opening is provided at the top of the cabinet body, and the pressure relief opening is communicated with the pressure relief channel.
8. The explosion-proof switch cabinet of claim 7, wherein a barrier net is installed on the pressure relief opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122636805.3U CN216355433U (en) | 2021-10-29 | 2021-10-29 | Explosion-proof switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122636805.3U CN216355433U (en) | 2021-10-29 | 2021-10-29 | Explosion-proof switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216355433U true CN216355433U (en) | 2022-04-19 |
Family
ID=81133089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122636805.3U Active CN216355433U (en) | 2021-10-29 | 2021-10-29 | Explosion-proof switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216355433U (en) |
-
2021
- 2021-10-29 CN CN202122636805.3U patent/CN216355433U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2024104442A1 (en) | Lower plastic component, top cover assembly, energy storage device, and electric device | |
| CN216355433U (en) | Explosion-proof switch cabinet | |
| US7095606B2 (en) | Electric switchgear with an enclosed design | |
| CN111095702B (en) | Switchboard and arc energy interruption device | |
| CN213304603U (en) | High-voltage comprehensive metering protection device | |
| CN207124406U (en) | A kind of breaker of switch cabinet heat transmission drawer-type structure | |
| CN212991780U (en) | Environment-friendly gas-insulated metal-enclosed switchgear with panel protection device | |
| CN112053910B (en) | Moulded case circuit breaker with improved contact structure | |
| CN217159094U (en) | High-pressure chamber pressure relief device and high-pressure chamber | |
| CN215870498U (en) | Pressure relief mechanism and switch cabinet | |
| CN218867022U (en) | Arc discharge port of circuit breaker | |
| CN214673910U (en) | Pressure release top cap and cubical switchboard | |
| CN212752876U (en) | Electrical control cabinet with dampproofing function | |
| CN219739758U (en) | Quick water conservancy diversion pressure relief device | |
| CN218976159U (en) | Arcing pressure relief device for ring main unit | |
| CN219611172U (en) | Distribution box with low-voltage overload protection function | |
| CN211320752U (en) | Pressure relief plate and medium-voltage cabinet provided with same | |
| CN114123009A (en) | High-pressure chamber pressure relief device and high-pressure chamber | |
| CN217215555U (en) | Cabinet body and mutual-inductor cabinet | |
| CN211743734U (en) | Take explosion-proof function's cabinet of being qualified for next round of competitions | |
| CN219696971U (en) | Explosion-proof cubical switchboard | |
| CN215378170U (en) | Power distribution cabinet with explosion-proof function | |
| EP3952041A1 (en) | Cooling system for an air insulated switchgear | |
| CN217903836U (en) | Inflation switch device and explosion-proof structure thereof | |
| CN216699505U (en) | Safety grid for explosion-proof air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |