CN111317942A - Switch board fire resistive construction - Google Patents
Switch board fire resistive construction Download PDFInfo
- Publication number
- CN111317942A CN111317942A CN202010105115.2A CN202010105115A CN111317942A CN 111317942 A CN111317942 A CN 111317942A CN 202010105115 A CN202010105115 A CN 202010105115A CN 111317942 A CN111317942 A CN 111317942A
- Authority
- CN
- China
- Prior art keywords
- accommodating cavity
- wall
- positioning
- box body
- switch board
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- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a fireproof structure of a power distribution cabinet, which comprises a box body and a door body hinged on the box body, wherein the side wall of the box body is provided with a plurality of first vent holes, a containing cavity is arranged in the box body, the upper part of the containing cavity is provided with a rotating frame in a bearing connection mode, the front part of the rotating frame is provided with a gas tank, the gas tank is filled with a fire extinguishing agent with certain pressure intensity, the outer wall of the gas tank is provided with a nozzle, an end cover is inserted on the nozzle, a thermosensitive support member is abutted on the end cover, and a sealing plate. The fire extinguishing device disclosed by the invention has the advantages that the air tank with the fire extinguishing agent with certain pressure intensity filled in the accommodating cavity is used for carrying out fire extinguishing treatment on the accommodating cavity, meanwhile, the sealing plate is driven to move by the power of the air tank, the first air holes on the box body are closed, the circulation of the accommodating cavity and external air is isolated, and the fire extinguishing is assisted.
Description
Technical Field
The invention relates to the field of fireproof structures of power distribution cabinets, in particular to a fireproof structure of a power distribution cabinet.
Background
The power distribution cabinet, the lighting power distribution cabinet and the metering cabinet are the final stage of a power distribution system, and the power distribution cabinet is also the general name of a motor control center. In the use of switch board, because electron device can produce a large amount of heats at the during operation, consequently need seted up the through-hole on the outer wall of switch board for the circulation of air, nevertheless if electron device is on fire, the through-hole then can accelerate electron device's burning.
Disclosure of Invention
In view of the above, the present invention is directed to a fire protection structure for a power distribution cabinet, so as to solve all or one of the problems in the background art.
Based on the above purpose, the invention provides a fire protection structure of a power distribution cabinet, which comprises a cabinet body and a door body hinged on the cabinet body, wherein the side wall of the cabinet body is provided with a plurality of first vent holes, a containing cavity is arranged in the cabinet body, the upper part of the containing cavity is provided with a rotating frame in a bearing connection mode, the front part of the rotating frame is provided with a gas tank, the gas tank is filled with fire extinguishing agents with certain pressure intensity, the outer wall of the gas tank is provided with a nozzle, the nozzle is inserted with an end cover, the end cover is abutted with a heat-sensitive supporting piece, a fixing block is arranged in the containing cavity, the end part of the heat-sensitive supporting piece is connected with the fixing block, a first connecting shaft is arranged above the rotating frame, the first connecting shaft is arranged in the containing cavity in a bearing connection mode, the outer wall of the first connecting shaft is fixedly provided, the sliding rack is arranged in the accommodating cavity in a sliding connection mode and can slide along the transverse direction, a first spring is fixed at one end of the sliding rack, the first spring is arranged in the accommodating cavity, a plurality of transmission teeth are arranged on the outer wall of the rotating frame, the first driven gear is meshed with the sliding rack and the transmission teeth, a second connecting shaft is arranged below the rotating frame and is arranged in the accommodating cavity in a bearing connection mode, a second driven gear and a rotating wheel are fixedly arranged on the outer wall of the second connecting shaft and are meshed with the transmission teeth, a sealing plate is arranged on the inner side wall of the box body in a sliding mode, a plurality of second vent holes are formed in the sealing plate, one first vent hole is matched with one second vent hole, and a first positioning plate is arranged on the side portion of the sealing plate, the bearing-type rotary table is characterized in that a second positioning plate is fixed in the accommodating cavity, a first positioning hole is formed in the first positioning plate, a second positioning hole is formed in the second positioning plate, a positioning pin is inserted in the second positioning hole and inserted in the first positioning hole, a second spring is installed in the accommodating cavity, the end portion of the second spring is connected with the sealing plate, a pull rope is fixed at the end portion of the positioning pin, a driving wheel is installed in the accommodating cavity in a bearing connection mode, and the other end of the pull rope is wound on the outer wall of the driving wheel and is wound on the outer wall of the rotary wheel.
Furthermore, the containing cavity is detachably provided with a positioning block, the end part of the positioning block and the inner wall of the box body are combined to form a sliding groove, and the sealing plate is arranged in the sliding groove.
Furthermore, the positioning block is arranged in the accommodating cavity in a bolt connection mode.
Further, the first vent hole is flush with the horizontal plane.
Furthermore, a shielding plate is arranged at one end, facing the outer side of the box body, of the first vent hole.
Furthermore, the shielding plate and the horizontal plane have a certain included angle.
Further, the thermosensitive supporting member is cylindrical.
Further, the fixed block is detachably arranged in the accommodating cavity.
Has the advantages that:
the fire extinguishing device disclosed by the invention has the advantages that the air tank with the fire extinguishing agent with certain pressure intensity filled in the accommodating cavity is used for carrying out fire extinguishing treatment on the accommodating cavity, meanwhile, the sealing plate is driven to move by the power of the air tank, the first air holes on the box body are closed, the circulation of the accommodating cavity and external air is isolated, and the fire extinguishing is assisted.
Drawings
Fig. 1 is a schematic structural diagram of a fire protection structure of a power distribution cabinet according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a fireproof structure of a power distribution cabinet according to an embodiment of the present invention;
fig. 3 is an enlarged schematic view of the structure I in fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
As an embodiment of the invention, a fireproof structure of a power distribution cabinet comprises a cabinet body 1 and a door body 2 hinged on the cabinet body 1, wherein the side wall of the cabinet body 1 is provided with a plurality of first vent holes 1a, a containing cavity 1b is arranged in the cabinet body 1, the upper part of the containing cavity 1b is provided with a rotating frame 3 in a bearing connection mode, the front part of the rotating frame 3 is provided with a gas tank 4, the gas tank 4 is filled with fire extinguishing agents with certain pressure, the outer wall of the gas tank 4 is provided with a nozzle 4a, the nozzle 4a is inserted with an end cover 5, the end cover 5 is abutted with a heat-sensitive support member 6, the containing cavity 1b is internally provided with a fixed block 7, the end part of the heat-sensitive support member 6 is connected with the fixed block 7, a first connecting shaft 8 is arranged above the rotating frame 3, the first connecting shaft 8 is arranged in the containing cavity 1b in a, a sliding rack 10 is arranged above the first driven gear 9, the sliding rack 10 is arranged in the accommodating cavity 1b in a sliding connection mode and can slide along the transverse direction, a first spring 11 is fixed at one end of the sliding rack 10, the first spring 11 is arranged in the accommodating cavity 1b, a plurality of transmission teeth are arranged on the outer wall of the rotating frame 3, the first driven gear 9 is meshed with the sliding rack 10 and the transmission teeth, a second connecting shaft 12 is arranged below the rotating frame 3, the second connecting shaft 12 is arranged in the accommodating cavity 1b in a bearing connection mode, a second driven gear 13 and a rotating wheel 14 are fixedly arranged on the outer wall of the second connecting shaft 12, the second driven gear 13 is meshed with the transmission teeth, a sealing plate 15 is arranged on the side wall in the box body 1 in a sliding mode, a plurality of second vent holes 15a are arranged on the sealing plate 15, and a first vent hole 1a is matched with one second vent hole 15a, the lateral part of the sealing plate 15 is provided with a first positioning plate 16, a second positioning plate 17 is fixed in the accommodating cavity 1b, a first positioning hole 16a is formed in the first positioning plate 16, a second positioning hole 17a is formed in the second positioning plate 17, a positioning pin 18 is inserted in the second positioning hole 17a, the positioning pin 18 is inserted in the first positioning hole 16a, a second spring 19 is arranged in the accommodating cavity 1b, the end part of the second spring 19 is connected with the sealing plate 15, a pull rope 20 is fixed at the end part of the positioning pin 18, a driving wheel 21 is arranged in the accommodating cavity 1b in a bearing connection mode, and the other end of the pull rope 20 is wrapped on the outer wall of the driving wheel 21 and is wound on the outer wall of the rotating wheel 14. Wherein, the elasticity of first spring 11 promotes the application of force of sliding rack 10, and sliding rack 10 promotes first driven gear 9 and changes, and first driven gear 9 promotes rotating turret 3, provides a turning force for rotating turret 3, makes temperature sensitive support piece 6 can break away from end cover 5 fast, has increased the stability of switch board fire prevention operation. The accommodating cavity 1b is detachably provided with a positioning block 22, the end part of the positioning block 22 facing the inner wall of the box body 1 and the inner wall of the box body 1 are combined to form a sliding groove, and the sealing plate 15 is arranged in the sliding groove. The positioning block 22 is mounted in the accommodating cavity 1b by means of bolt connection. The first ventilation holes 1a are flush with the horizontal plane. A shielding plate 1c is provided at one end of the first ventilation hole 1a facing the outside of the case 1. The shielding plate 1c has a certain included angle with the horizontal plane. The thermosensitive support 6 has a cylindrical shape. The fixing block 7 is detachably installed in the accommodating chamber 1 b. Wherein, the tip of temperature sensing support piece 6 is pasted in the tip of fixed block 7, and fixed block 7 is fixed and is held in the chamber 1b through bolted connection's mode.
When the temperature in the box body 1 exceeds a certain range, the heat-sensitive supporting piece 6 is heated to be softened, the heat-sensitive supporting piece 6 is separated from the end cover 5, the end cover 5 is separated from the nozzle 4a, a fire extinguishing agent with a certain pressure is sprayed out from the nozzle 4a to cool the electronic device in the accommodating cavity 1b, meanwhile, the rotating frame 3 drives the second driven gear 13 to rotate, the second driven gear 13 drives the second connecting shaft 12 to rotate, the second connecting shaft 12 drives the rotating wheel 14 to rotate, the rotating wheel 14 drives the pull rope 20 to move, the pull rope 20 drives the positioning pin 18 to move, so that the positioning pin 18 is separated from the first positioning hole 16a and the second positioning hole 17a, the elastic force of the second spring 19 pushes the sealing plate 15 to move, the first vent hole 1a and the second vent hole 15a are staggered, the first vent hole 1a is closed, and the circulation of the accommodating cavity.
According to the invention, the accommodating cavity 1b is filled with the gas tank 4 filled with the fire extinguishing agent with a certain pressure, the fire extinguishing treatment is carried out in the accommodating cavity 1b, meanwhile, the sealing plate 15 is driven to move by the power of the gas tank 4, the first vent hole in the box body 1 is closed, the circulation of the accommodating cavity 1b and external air is isolated, and the fire extinguishing is assisted.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. A fireproof structure of a power distribution cabinet is characterized by comprising a cabinet body and a door body hinged on the cabinet body, wherein a plurality of first vent holes are formed in the side wall of the cabinet body, a containing cavity is formed in the cabinet body, a rotating frame is arranged at the upper part of the containing cavity in a bearing connection mode, a gas tank is arranged at the front part of the rotating frame, a fire extinguishing agent with certain pressure is filled in the gas tank, a nozzle is arranged on the outer wall of the gas tank, an end cover is inserted on the nozzle, a heat-sensitive supporting piece is abutted against the end cover, a fixing block is arranged in the containing cavity, the end part of the heat-sensitive supporting piece is connected with the fixing block, a first connecting shaft is arranged above the rotating frame and is arranged in the containing cavity in a bearing connection mode, a first driven gear is fixed on the outer wall of the first connecting shaft, a sliding rack is arranged, the sliding rack is arranged in the accommodating cavity in a sliding connection mode and can slide along the transverse direction, a first spring is fixed at one end of the sliding rack, the first spring is arranged in the accommodating cavity, a plurality of transmission teeth are arranged on the outer wall of the rotating frame, the first driven gear is meshed with the sliding rack and the transmission teeth, a second connecting shaft is arranged below the rotating frame and is arranged in the accommodating cavity in a bearing connection mode, a second driven gear and a rotating wheel are fixedly arranged on the outer wall of the second connecting shaft and are meshed with the transmission teeth, a sealing plate is arranged on the inner side wall of the box body in a sliding mode, a plurality of second vent holes are formed in the sealing plate, one first vent hole is matched with one second vent hole, and a first positioning plate is arranged on the side portion of the sealing plate, the bearing-type rotary table is characterized in that a second positioning plate is fixed in the accommodating cavity, a first positioning hole is formed in the first positioning plate, a second positioning hole is formed in the second positioning plate, a positioning pin is inserted in the second positioning hole and inserted in the first positioning hole, a second spring is installed in the accommodating cavity, the end portion of the second spring is connected with the sealing plate, a pull rope is fixed at the end portion of the positioning pin, a driving wheel is installed in the accommodating cavity in a bearing connection mode, and the other end of the pull rope is wound on the outer wall of the driving wheel and is wound on the outer wall of the rotary wheel.
2. The fireproof structure of power distribution cabinet according to claim 1, wherein the accommodating cavity is detachably provided with a positioning block, the end of the positioning block and the inner wall of the box body are combined to form a sliding groove, and the sealing plate is arranged in the sliding groove.
3. The switch board fire resistive construction of claim 2, in which the locating piece is mounted in the receiving cavity by means of a bolt connection.
4. The switch board fire resistive construction of claim 1, in which the first vent is level with a horizontal surface.
5. The switch board fire resistive construction of claim 1, in which the first vent hole is provided with a baffle plate towards the end outside the box body.
6. The switch board fire resistive construction of claim 5, in which the shielding plate is at an angle to the horizontal.
7. The switch board fire protection architecture of claim 1, wherein the thermally sensitive support is cylindrical.
8. The switch board fire resistive construction of claim 1, in which the mounting block is removably mounted in the receiving cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010105115.2A CN111317942B (en) | 2020-02-20 | 2020-02-20 | Switch board fire resistive construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010105115.2A CN111317942B (en) | 2020-02-20 | 2020-02-20 | Switch board fire resistive construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111317942A true CN111317942A (en) | 2020-06-23 |
| CN111317942B CN111317942B (en) | 2021-04-27 |
Family
ID=71172793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010105115.2A Active CN111317942B (en) | 2020-02-20 | 2020-02-20 | Switch board fire resistive construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111317942B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111782015A (en) * | 2020-07-16 | 2020-10-16 | 芜湖职业技术学院 | Computer case structure |
| CN112709932A (en) * | 2020-12-09 | 2021-04-27 | 国网湖南省电力有限公司检修公司 | Fire extinguishing cover for welding gas cylinder |
| CN116234194A (en) * | 2022-09-07 | 2023-06-06 | 贵州电网有限责任公司 | Protection device of multi-energy intelligent control system |
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|---|---|---|---|---|
| CN203690718U (en) * | 2013-11-30 | 2014-07-02 | 天津中能电力设备制造有限公司 | Automatic fire extinguishing power distribution cabinet |
| CN204696465U (en) * | 2015-05-09 | 2015-10-07 | 蔡建峰 | A kind of electrical control cubicles with automatic fire-extinguishing function |
| CN207253601U (en) * | 2017-08-25 | 2018-04-20 | 上海鹰信智能技术有限公司 | One kind fire prevention mobile unit |
| CN208159056U (en) * | 2018-05-31 | 2018-11-27 | 宜昌市东明电气有限责任公司 | A kind of fire prevention electrical cabinet |
| CN109698469A (en) * | 2019-01-26 | 2019-04-30 | 江西江控电气有限公司 | A kind of GGJ low voltage reactive compensation cabinet |
| CN209200394U (en) * | 2018-12-17 | 2019-08-02 | 大庆市华禹石油机械制造有限公司 | A kind of dedicated explosion-proof electrical distribution box in oil field |
| CN110193154A (en) * | 2019-06-14 | 2019-09-03 | 郑州轻工业学院 | The comprehensive fire fighting extinguisher of container-type lithium ion battery energy storage system |
| CN110571676A (en) * | 2019-09-12 | 2019-12-13 | 陕西启蛰电力工程有限公司 | Distribution box |
-
2020
- 2020-02-20 CN CN202010105115.2A patent/CN111317942B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203690718U (en) * | 2013-11-30 | 2014-07-02 | 天津中能电力设备制造有限公司 | Automatic fire extinguishing power distribution cabinet |
| CN204696465U (en) * | 2015-05-09 | 2015-10-07 | 蔡建峰 | A kind of electrical control cubicles with automatic fire-extinguishing function |
| CN207253601U (en) * | 2017-08-25 | 2018-04-20 | 上海鹰信智能技术有限公司 | One kind fire prevention mobile unit |
| CN208159056U (en) * | 2018-05-31 | 2018-11-27 | 宜昌市东明电气有限责任公司 | A kind of fire prevention electrical cabinet |
| CN209200394U (en) * | 2018-12-17 | 2019-08-02 | 大庆市华禹石油机械制造有限公司 | A kind of dedicated explosion-proof electrical distribution box in oil field |
| CN109698469A (en) * | 2019-01-26 | 2019-04-30 | 江西江控电气有限公司 | A kind of GGJ low voltage reactive compensation cabinet |
| CN110193154A (en) * | 2019-06-14 | 2019-09-03 | 郑州轻工业学院 | The comprehensive fire fighting extinguisher of container-type lithium ion battery energy storage system |
| CN110571676A (en) * | 2019-09-12 | 2019-12-13 | 陕西启蛰电力工程有限公司 | Distribution box |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111782015A (en) * | 2020-07-16 | 2020-10-16 | 芜湖职业技术学院 | Computer case structure |
| CN111782015B (en) * | 2020-07-16 | 2022-09-06 | 芜湖职业技术学院 | Computer case structure |
| CN112709932A (en) * | 2020-12-09 | 2021-04-27 | 国网湖南省电力有限公司检修公司 | Fire extinguishing cover for welding gas cylinder |
| CN116234194A (en) * | 2022-09-07 | 2023-06-06 | 贵州电网有限责任公司 | Protection device of multi-energy intelligent control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111317942B (en) | 2021-04-27 |
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