CN219937753U - Explosion-proof fire-retardant switch board - Google Patents
Explosion-proof fire-retardant switch board Download PDFInfo
- Publication number
- CN219937753U CN219937753U CN202321263289.7U CN202321263289U CN219937753U CN 219937753 U CN219937753 U CN 219937753U CN 202321263289 U CN202321263289 U CN 202321263289U CN 219937753 U CN219937753 U CN 219937753U
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- sleeve
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- cabinet body
- cabinet
- explosion
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 description 6
- 229920002379 silicone rubber Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Patch Boards (AREA)
Abstract
The utility model discloses an explosion-proof flame-retardant power distribution cabinet, and belongs to the technical field of power distribution cabinets. The novel pressure relief device comprises a cabinet body, wherein a pressure relief opening is formed in the side wall of the cabinet body, a shutter mechanism is arranged in the pressure relief opening, the shutter mechanism can be folded or opened along the direction of the side wall of the cabinet body, and a pressure driving mechanism for driving the shutter mechanism to be opened is arranged on the side wall of the cabinet body. The pressure relief opening is quickly opened, the opening process is not influenced by the external environment of the cabinet body, and the opening can be quickly performed even in a narrow space environment, so that the electric cabinet can maintain enough pressure relief capacity, and the effect of protecting the electric cabinet is achieved.
Description
Technical Field
The utility model relates to the technical field of power distribution cabinets, in particular to an explosion-proof flame-retardant power distribution cabinet.
Background
In the operation process of the power distribution cabinet, if the condition of a primary loop short circuit fault occurs, high-temperature and high-pressure gas can be instantaneously generated in the cabinet, if the high-pressure gas is not timely discharged out of the cabinet body, explosion accidents are easy to occur, adjacent power distribution cabinets can be damaged, and personal safety is also damaged in severe cases.
In the related art, a pressure relief opening is formed in the side wall of the electric cabinet, then a pressure relief plate is hinged to the pressure relief opening, and when the inside of the electric cabinet is impacted by pressure, the pressure relief plate is opened outwards, so that deformation of the power distribution cabinet caused by bearing pressure is reduced.
To above-mentioned relevant technique, the pressure release board pressure release process needs outwards to open, and the outside needs to reserve sufficient distance in order to let the pressure release board can overturn and open this moment of electric cabinet, under the condition of space inadequately, causes the space inadequately that the pressure release board can overturn easily, leads to the pressure release incomplete.
Disclosure of Invention
In order to help solve the problem that the power distribution cabinet does not have enough pressure relief capacity under the condition of narrow space, the utility model provides an explosion-proof flame-retardant power distribution cabinet.
The utility model provides an explosion-proof flame-retardant power distribution cabinet which adopts the following technical scheme:
the utility model provides an explosion-proof fire-retardant switch board, includes the cabinet body, the pressure release mouth has been seted up to cabinet body lateral wall, shutter mechanism is installed to the pressure release mouth, shutter mechanism can fold or open along the direction of cabinet body lateral wall, the pressure drive mechanism that is used for driving shutter mechanism to open is installed to the lateral wall of the cabinet body.
Through adopting above-mentioned technical scheme, when the internal atmospheric pressure of electric cabinet increases, pressure actuating mechanism atress drives shutter mechanism operation, makes shutter mechanism open along cabinet body lateral wall, realizes the quick opening of pressure release mouth. The pressure relief opening is quickly opened, the opening process is not influenced by the external environment of the cabinet body, and the opening can be quickly performed even in a narrow space environment, so that the electric cabinet can maintain enough pressure relief capacity, and the effect of protecting the electric cabinet is achieved.
Optionally, shutter mechanism includes solid fixed ring, swivel ring and door closure, gu fixed ring and the lateral wall fixed connection of pressure release mouth, swivel ring rotate connect in gu fixed ring's side, door closure sliding connection is in gu fixed ring's side, can drive the door closure when swivel ring rotates and close or open the pressure release mouth.
Through adopting above-mentioned technical scheme, rotatory ring slightly rotates an angle, can make the closing of door closure fast or open, makes opening and close of pressure release mouth more rapidly to be favorable to quick pressure release.
Optionally, the door closure includes the polylith apron, the lateral wall of apron is fixed with the guide part, the arc hole that supplies the guide part slip wears to establish is seted up to the lateral wall of swivel ring.
By adopting the technical scheme, the cover plate can move along the preset track, so that the stability of movement of the cover plate is enhanced, and the opening and closing process of the pressure relief opening is determined to be stable.
Optionally, the pressure driving mechanism includes first sleeve and drive assembly, first sleeve is fixed in the inner wall of the cabinet body, first sleeve one end opening, the other end is sealed, drive assembly's one end sliding connection is in first sleeve, be formed with the pressure seal chamber between drive assembly and the telescopic blind end of first, works as when the internal atmospheric pressure of cabinet is greater than the atmospheric pressure in the pressure seal chamber, drive assembly moves.
Through adopting above-mentioned technical scheme, under the normality, the internal atmospheric pressure of pressure seal chamber is unanimous with the internal atmospheric pressure of cabinet, and when the internal atmospheric pressure of cabinet increased, internal atmospheric pressure of cabinet was greater than the internal atmospheric pressure of pressure seal chamber, promotes the drive assembly motion under the atmospheric pressure effect, utilizes drive assembly to drive rotatory ring rotation, and then realizes opening of apron. The setting makes the triggering process rapid, and the safety of pressure release is ensured.
Optionally, the drive assembly includes ring gear and rack, the ring gear is fixed in the swivel ring periphery, rack sliding connection in the inner wall of the cabinet body, ring gear and rack meshing, the one end slip of rack wears to locate in the first sleeve.
Through adopting above-mentioned technical scheme, rack ring gear transmission is efficient and the transmission precision is high, and the bearing capacity is big, helps keeping steady operation at the explosion process, and can the quick drive realize opening of door closure, and the stability in the furthest guarantee pressure release process.
Optionally, the pressure driving mechanism further comprises a second sleeve, the second sleeve is fixedly connected with the inner wall of the cabinet body, and one end, far away from the first sleeve, of the rack is slidably arranged in the second sleeve in a penetrating mode.
Through adopting above-mentioned technical scheme, first sleeve and second sleeve combined action carry out spacingly to the rack, ensure that the rack can walk according to predetermined orbit to ensure that rack and ring gear effective meshing.
Optionally, the inner wall of second sleeve is provided with the stopper that is used for carrying out spacing to the rack tip.
Through adopting above-mentioned technical scheme, make the rack remove in certain within range, ensure no matter under which kind of installation environment, rack horizontal installation or vertical installation, can both keep the rack unable first sleeve and the second sleeve of breaking away from smoothly.
Optionally, the pressure sealing cavity is communicated with the external environment of the cabinet body through a connecting pipe.
Through adopting above-mentioned technical scheme, when the volume in pressure seal chamber reduces, the atmospheric pressure in the pressure seal chamber is less to the effort of drive assembly, more is favorable to utilizing the internal pneumatic drive assembly of cabinet, further improves the sensitivity of drive assembly reaction, improves the pressure release sensitivity.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the pressure relief opening is quickly opened, the opening process is not influenced by the external environment of the cabinet body, and the opening can be quickly performed even in a narrow space environment, so that the electric cabinet can maintain enough pressure relief capacity, and the effect of protecting the electric cabinet is achieved;
2. under the normal state, the internal atmospheric pressure of pressure seal chamber is unanimous with the internal atmospheric pressure of cabinet, and when the internal atmospheric pressure of cabinet increased, internal atmospheric pressure of cabinet was greater than the internal atmospheric pressure of pressure seal chamber, promotes the drive assembly motion under the atmospheric pressure effect, utilizes drive assembly to drive rotatory ring rotation, and then realizes opening of apron. The setting makes the triggering process rapid, and the safety of pressure release is ensured.
3. When the volume of the pressure sealing cavity is reduced, the acting force of the air pressure in the pressure sealing cavity on the transmission component is smaller, the transmission component is driven by the air pressure in the cabinet body, the response sensitivity of the transmission component is further improved, and the pressure release sensitivity is improved.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Fig. 2 is a schematic diagram showing mainly a shutter mechanism and a pressure drive mechanism of embodiment 1 of the present utility model.
Fig. 3 is a schematic diagram showing a main structure of a shutter mechanism of embodiment 1 of the present utility model.
Fig. 4 is a schematic diagram showing mainly a shutter mechanism and a pressure drive mechanism of embodiment 2 of the present utility model.
Reference numerals illustrate:
1. a cabinet body; 11. a pressure relief port; 2. a shutter mechanism; 21. a fixing ring; 22. a rotating ring; 221. an arc-shaped hole; 23. a cover plate; 231. a guide part; 3. a pressure driving mechanism; 31. a first sleeve; 32. a second sleeve; 321. a limiting block; 33. a gear ring; 34. a rack; 4. a pressure seal chamber; 5. and (5) connecting pipes.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
Example 1
The embodiment of the utility model discloses an explosion-proof flame-retardant power distribution cabinet. Referring to fig. 1 and 2, the power distribution cabinet comprises a cabinet body 1, a pressure relief opening 11 is formed in the side wall of the cabinet body 1, the pressure relief opening 11 can be located on the side surface of the cabinet body 1 or on the top of the cabinet body 1, a shutter mechanism 2 capable of being folded or opened along the direction of the side wall of the cabinet body 1 is installed in the pressure relief opening 11, and a pressure driving mechanism 3 for driving the shutter mechanism 2 to be opened is further installed on the side wall of the cabinet body 1.
Referring to fig. 2 and 3, the shutter mechanism 2 includes a fixed ring 21, a rotating ring 22, and a door cover, in this embodiment, the fixed ring 21 is disposed in a ring shape, and an outer wall of the fixed ring 21 and an inner wall of the pressure relief port 11 may be fixed by adhesion or welding. The rotating ring 22 is rotatably connected to the side surface of the fixed ring 21, the rotating ring 22 and the fixed ring 21 are coaxially arranged, and the door cover is positioned between the fixed ring 21 and the rotating ring 22.
Wherein, the door closure includes apron 23, and the side sliding connection of apron 23 and the side of solid fixed ring 21, the other side of apron 23 are fixed with guide part 231, and arc hole 221 has been seted up to rotatory ring 22's lateral wall, and arc hole 221 extends along the arc towards rotatory ring 22 center, and guide part 231 slides and wears to locate in the arc hole 221.
Meanwhile, the cover plates 23 are arranged in a circumferential array along the fixed ring 21, and when the rotary ring 22 rotates, the plurality of cover plates 23 are close to or far from the center of the fixed ring 21, so that the pressure relief opening 11 is closed or opened.
Referring to fig. 2, the pressure driving mechanism 3 includes a first sleeve 31, a second sleeve 32, and a transmission assembly, the first sleeve 31 and the second sleeve 32 are coaxially fixed to the inner wall of the cabinet 1, the first sleeve 31 and the second sleeve 32 are disposed at intervals, one end of the first sleeve 31 is opened, and the other end is closed.
The transmission assembly comprises a gear ring 33 and a rack 34, wherein the gear ring 33 is fixed on the periphery of the rotary ring 22, one end of the rack 34 is slidably arranged in the first sleeve 31, the other end of the rack 34 is slidably arranged in the second sleeve 32, and the rack 34 is meshed with the gear ring 33. When the rack 34 moves, the gear ring 33 is driven to rotate, and the rotating ring 22 is driven to rotate, so that the door cover is folded or opened by the rotating ring 22.
In this embodiment, a pressure sealing cavity 4 is formed between the closed end of the first sleeve 31 and the rack 34, under normal conditions, the air pressure in the pressure sealing cavity 4 is the same as the air pressure in the cabinet 1, and when the air pressure in the cabinet 1 is suddenly increased, the air pressure in the cabinet 1 is greater than the air pressure in the pressure sealing cavity 4, so as to push the rack 34 to move, and the door cover is opened, thereby realizing pressure relief. After the pressure release is completed, the air pressure in the pressure sealing cavity 4 is greater than the air pressure in the cabinet body 1, the rack 34 is pushed to reset, the door cover is closed, dust and water vapor are reduced, and the like enter the cabinet body 1, so that the effects of dust prevention and moisture prevention are achieved.
In addition, the inner wall of the second sleeve 32 is further provided with a limiting block 321, and the limiting block 321 can limit the end portion of the rack 34, so that the rack 34 can be ensured to move in the first sleeve 31 and the second sleeve 32.
Meanwhile, the inner wall of the cabinet body 1 is also provided with a flame-retardant layer, the flame-retardant layer can be fireproof flame-retardant silicon rubber, the heat resistance of the silicon rubber is outstanding, the silicon rubber can work for a long time at 180 ℃, the silicon rubber can still bear elasticity for a plurality of weeks or longer at a temperature slightly higher than 200 ℃, and the silicon rubber can instantaneously resist the high temperature of more than 300 ℃. The silicon rubber has good air permeability and high oxygen permeability.
The implementation principle of the explosion-proof flame-retardant power distribution cabinet provided by the embodiment of the utility model is as follows: the utility model utilizes the shutter structure to realize the rapid opening and closing of the pressure relief opening 11, the opening and closing process is not influenced by the external environment of the cabinet body 1, and the opening and closing can be rapidly carried out even under the narrow space environment, so that the electric cabinet can maintain enough pressure relief capacity, and the function of protecting the electric cabinet is achieved.
Example 2
The difference between this embodiment and embodiment 1 is that, referring to fig. 4, the closed end of the first sleeve 31 is further connected with a connecting pipe 5, one end of the connecting pipe 5 away from the first sleeve 31 extends to the outside of the cabinet 1, and the pressure sealing cavity 4 communicates with the environment outside the cabinet 1 through the connecting pipe 5.
The advantages of this embodiment and embodiment 1 lie in that when the volume of the pressure seal cavity 4 is reduced, the air pressure in the pressure seal cavity 4 has smaller blocking force to the transmission component, which is more beneficial to driving the transmission component by using the air pressure in the cabinet body 1, further improving the sensitivity of the response of the transmission component and the pressure release sensitivity.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (7)
1. An explosion-proof fire-retardant switch board, its characterized in that: the novel intelligent cabinet temperature control device comprises a cabinet body (1), wherein a pressure relief opening (11) is formed in the side wall of the cabinet body (1), a shutter mechanism (2) is arranged in the pressure relief opening (11), the shutter mechanism (2) can be folded or opened along the side wall of the cabinet body (1), and a pressure driving mechanism (3) for driving the shutter mechanism (2) to be opened is arranged on the side wall of the cabinet body (1); the shutter mechanism (2) comprises a fixed ring (21), a rotating ring (22) and a door cover, wherein the fixed ring (21) is fixedly connected with the side wall of the pressure relief opening (11), the rotating ring (22) is rotationally connected to the side face of the fixed ring (21), the door cover is slidingly connected to the side face of the fixed ring (21), and the rotating ring (22) can drive the door cover to fold or open the pressure relief opening (11) when rotating.
2. The explosion-proof flame retardant power distribution cabinet of claim 1, wherein: the door cover comprises a plurality of cover plates (23), guide parts (231) are fixed on the side walls of the cover plates (23), and arc-shaped holes (221) through which the guide parts (231) slide are formed in the side walls of the rotating rings (22).
3. The explosion-proof flame retardant power distribution cabinet of claim 1, wherein: the pressure driving mechanism (3) comprises a first sleeve (31) and a transmission assembly, the first sleeve (31) is fixed on the inner wall of the cabinet body (1), one end of the first sleeve (31) is open, the other end of the first sleeve is closed, one end of the transmission assembly is slidably connected in the first sleeve (31), a pressure sealing cavity (4) is formed between the transmission assembly and the closed end of the first sleeve (31), and when the air pressure in the cabinet body (1) is greater than the air pressure in the pressure sealing cavity (4), the transmission assembly moves.
4. An explosion-proof flame retardant power distribution cabinet according to claim 3, wherein: the transmission assembly comprises a gear ring (33) and a rack (34), wherein the gear ring (33) is fixed on the periphery of the rotary ring (22), the rack (34) is slidably connected to the inner wall of the cabinet body (1), the gear ring (33) is meshed with the rack (34), and one end of the rack (34) is slidably arranged in the first sleeve (31).
5. The explosion-proof flame retardant power distribution cabinet of claim 4, wherein: the pressure driving mechanism (3) further comprises a second sleeve (32), the second sleeve (32) is fixedly connected with the inner wall of the cabinet body (1), and one end, far away from the first sleeve (31), of the rack (34) is arranged in the second sleeve (32) in a sliding mode.
6. The explosion-proof flame retardant power distribution cabinet of claim 5, wherein: the inner wall of the second sleeve (32) is provided with a limiting block (321) for limiting the end part of the rack (34).
7. An explosion-proof flame retardant power distribution cabinet according to claim 3, wherein: the pressure sealing cavity (4) is communicated with the external environment of the cabinet body (1) through a connecting pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321263289.7U CN219937753U (en) | 2023-05-23 | 2023-05-23 | Explosion-proof fire-retardant switch board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321263289.7U CN219937753U (en) | 2023-05-23 | 2023-05-23 | Explosion-proof fire-retardant switch board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219937753U true CN219937753U (en) | 2023-10-31 |
Family
ID=88504317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321263289.7U Active CN219937753U (en) | 2023-05-23 | 2023-05-23 | Explosion-proof fire-retardant switch board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219937753U (en) |
-
2023
- 2023-05-23 CN CN202321263289.7U patent/CN219937753U/en active Active
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