CN209900488U - Electric switch cabinet capable of automatically extinguishing fire - Google Patents
Electric switch cabinet capable of automatically extinguishing fire Download PDFInfo
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- CN209900488U CN209900488U CN201822221037.3U CN201822221037U CN209900488U CN 209900488 U CN209900488 U CN 209900488U CN 201822221037 U CN201822221037 U CN 201822221037U CN 209900488 U CN209900488 U CN 209900488U
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Abstract
The utility model discloses an electric switch cabinet that can put out a fire automatically, including setting up the internal container bottle in cabinet, a plurality of automatic nozzles and fire extinguishing agent release pipe, wherein the automatic nozzle includes the valve body, first cavity, the second cavity, interface channel, temperature sensing drive assembly, the thimble, ball sealer and deviation are held the spring, high-temperature gas's temperature in the temperature sensing drive assembly ability perception switch cabinet, take place the action and drive the ball sealer and remove, open interface channel for the non-conductive fire extinguishing agent blowout in the volumetric flask is put out a fire, because the fire extinguishing agent is the non-conductive fire extinguishing agent, consequently can not cause secondary harm when putting out a fire. And a plurality of automatic nozzles are arranged in the switch cabinet, so that fire points can be accurately and automatically extinguished, and other components in the switch cabinet are ensured to be intact as much as possible. Additionally, the utility model discloses the temperature sensing drive assembly action is sensitive, can control automatic nozzle and open and shut, and the operation is reliable, has improved the security of cubical switchboard operation effectively, need not extra power during the use, ability used repeatedly.
Description
Technical Field
The utility model belongs to the technical field of electric power electricity, concretely relates to but automatic fire extinguishing's electrical switch cabinet.
Background
The switch cabinet is an electrical device, is used for providing installation and fixation for various electrical appliances, and is mainly used for opening and closing, controlling and protecting the electrical device in the power generation, power transmission, power distribution and electric energy conversion processes in an electric power system. After the switch cabinet operates for a long time, the electronic elements inside the switch cabinet lead to the increase of the contact resistance of the diversion position due to aging, oxidation or operation vibration, a large amount of heat is generated, if the heat can not be dissipated through the radiating holes of the switch cabinet, the contact resistance can be aggravated along with the accumulation of time, vicious circle is formed, disasters such as electric arcs or combustion occur, and huge potential safety hazards and economic loss are brought. Therefore, safety protection of the switchgear is of great importance in the operation of electric power. The safety protection of the switch cabinet mainly prevents high temperature and combustion, ensures normal operation of the switch, or avoids other equipment from being damaged when partial equipment breaks down. However, because the electrical components in the switch cabinet are special, mainly wires and cables, if the switch cabinet is ignited and then is used for extinguishing fire, the insulation performance of electrical equipment can be reduced, and nearby fire fighting personnel can be endangered.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem existing in the prior art and providing an automatic fire extinguishing electrical switch cabinet which has simple structure, reliable operation, sensitive action and greatly reduced potential safety hazard.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric switch cabinet capable of automatically extinguishing fire comprises a cabinet body, wherein a container bottle and a plurality of automatic nozzles are arranged in the cabinet body, the automatic nozzles are connected with a volumetric flask filled with non-conducting fire extinguishing agent through a fire extinguishing agent releasing pipe, each automatic nozzle comprises a valve body, one end of each automatic nozzle is provided with a releasing pipe connecting part, a first cavity is arranged inside one end, close to the releasing pipe connecting part, of the valve body, a second cavity is arranged inside one end, away from the releasing pipe connecting part, of the valve body, a temperature sensing driving assembly is arranged in the second cavity, an end plate at one end of the second cavity is provided with a plurality of through holes, the other end of the second cavity is communicated with the first cavity through a connecting channel, a thimble is arranged in the connecting channel, a sealing ball is arranged at one end, close to the connecting channel, in the first cavity, a pore plate is arranged at one end, close to, the sealing ball is connected with one end of the thimble, and the other end of the thimble is connected with the temperature sensing driving component.
Further, the temperature sensing driving assembly comprises a cylindrical supporting rod and a spring positioning baffle fixed at one end of the cylindrical supporting rod, the spring positioning baffle is connected with the ejector pin, and a memory alloy temperature sensing driving spring and one end of the memory alloy temperature sensing driving spring are fixedly connected with the end plate in a sleeved mode on the cylindrical supporting rod.
Furthermore, a plurality of air injection holes are formed in the side wall of one end, close to the second cavity, of the valve body.
Further, the first cavity is a conical cavity, and the second cavity is a cylindrical cavity.
Further, the release pipe connecting part is an internal thread arranged on the valve body.
Further, the fire extinguishing agent releasing pipe is spirally fixed in the cabinet body.
Furthermore, the memory alloy temperature sensing driving spring is made of nickel titanium based high temperature memory alloy.
The utility model discloses relative prior art has following beneficial effect: the utility model discloses an electric switch cabinet that can put out a fire automatically is including setting up the internal container bottle in cabinet, a plurality of automatic nozzles and fire extinguishing agent release pipe, wherein the automatic nozzle includes the valve body, first cavity, the second cavity, interface channel, temperature sensing drive assembly, the thimble, ball sealer and bias spring, temperature sensing drive assembly can the perception cubical switchboard in high-temperature gas's temperature, take place the action and drive the ball sealer and remove, open interface channel, make the non-conductive fire extinguishing agent blowout in the volumetric flask put out a fire or reduce the cubical switchboard in the temperature, because the fire extinguishing agent in the volumetric flask is the non-conductive fire extinguishing agent, consequently can not cause secondary harm when putting out a fire, also can not cause harm to the environment. And a plurality of automatic nozzles are arranged in the switch cabinet, so that fire points can be accurately and automatically extinguished, and other components in the switch cabinet are ensured to be intact as much as possible. Additionally, the utility model discloses a temperature sensing drive assembly action is sensitive, can control automatic nozzle and open and shut, and the operation is reliable, has improved the security of cubical switchboard operation effectively, need not extra power during the use, can used repeatedly, has fine use value and application prospect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the automatic nozzle of the present invention;
FIG. 3 is a schematic view of the automatic nozzle of the present invention in use;
fig. 4 is a schematic structural diagram of the valve body of the present invention.
The utility model discloses the reference sign is as follows: 1. a container bottle; 2. a fire extinguishing agent releasing pipe; 3. an automatic nozzle; 4. a memory alloy temperature-sensing drive spring; 5. a valve body; 6. a connecting channel; 7. a gas injection hole; 8. a release tube connection; 9. a thimble; 10. a sealing ball; 11. a biasing spring; 12. a cabinet body; 13. a first cavity; 14. a second cavity; 15. an end plate; 16. a through hole; 17. an orifice plate; 18. a cylindrical support rod; 19. the spring positions the baffle.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1-4, an electric switch cabinet capable of automatically extinguishing fire comprises a cabinet body 12, a container bottle 1 and a plurality of automatic nozzles 3 are arranged in the cabinet body 12, a non-conductive fire extinguishing agent, specifically heptafluoropropane, is filled in the container bottle 1, the container bottle 1 is connected with the automatic nozzles 3 through a fire extinguishing agent release pipe 2, the fire extinguishing agent release pipe 2 is spirally fixed in the cabinet body 12, the automatic nozzles 3 comprise a valve body 5 with a release pipe connecting part 8 at one end, the release pipe connecting part 8 is an internal thread arranged on the valve body 5 and used for being connected with the fire extinguishing agent release pipe 2, a first cavity 13 is arranged inside one end of the valve body 5 close to the release pipe connecting part 8, the first cavity 13 is a conical cavity, a second cavity 14 is arranged inside one end of the valve body 5 far away from the release pipe connecting part 8, the second cavity 14 is a cylindrical cavity, and an end plate 15 at one end of the, the side wall of one end of the valve body 5 close to the second cavity 14 is provided with a plurality of fumaroles 7, the other end of the second cavity 14 is communicated with the first cavity 13 through a connecting channel 6, an ejector pin 9 is arranged in the connecting channel 6, one end of the first cavity 13 close to the connecting channel 6 is provided with a sealing ball 10, one end of the first cavity 13 close to the connecting part 8 of the release pipe is provided with a pore plate 17, a bias spring 11 is connected between the pore plate 17 and the sealing ball 10, the sealing ball 10 is connected with one end of the ejector pin 9, the second cavity 14 is provided with a temperature sensing driving component, the temperature sensing driving component comprises a cylindrical supporting rod 18 and a spring positioning baffle plate 19 fixed at one end of the cylindrical supporting rod 18, the spring positioning baffle plate 19 is connected with the other end of the ejector pin 9, the cylindrical supporting rod 18 is sleeved with a memory alloy temperature sensing, the memory alloy temperature-sensing driving spring 4 is made of nickel titanium based high temperature memory alloy, preferably nickel titanium zirconium or nickel titanium hafnium alloy.
When a fire breaks out in the switch cabinet body 12, high-temperature air enters the second cavity 14 of the valve body 5 through the air jet hole 7 and the through hole 16, the memory alloy temperature-sensing driving spring 4 in the second cavity 14 can extend under the action of high temperature, the memory alloy temperature-sensing driving spring 4 drives the cylindrical supporting rod 18 and the spring positioning baffle plate 19 to move towards the direction close to the first cavity 13, the ejector pin 9 drives the sealing ball 10 to move in the first cavity 13, the connecting channel 6 is opened, the non-conducting fire extinguishing agent in the container bottle 1 enters the first cavity 13 through the fire extinguishing agent releasing pipe 2, and then the non-conducting fire extinguishing agent is automatically sprayed out from the air jet hole 7 and the through hole 16 after passing through the connecting channel 6 and the second cavity 14, so that flames in the switch cabinet body 12 are extinguished. When open fire in the switch cabinet body 12 is extinguished and the temperature drops, the memory alloy temperature sensing driving spring 4 contracts, and under the action of the bias spring 11, the sealing ball 10 plugs the connecting channel 6, and meanwhile, the sealing ball 10 pushes the thimble 9 to reset the memory alloy temperature sensing driving spring 4.
Claims (7)
1. An electric switch cabinet that can put out a fire automatically which characterized in that: comprises a cabinet body (12), wherein a container bottle (1) and a plurality of automatic nozzles (3) are arranged in the cabinet body (12), the automatic nozzles (3) are connected with the container bottle (1) filled with a non-conductive fire extinguishing agent through a fire extinguishing agent releasing pipe (2), each automatic nozzle (3) comprises a valve body (5) of which one end is provided with a releasing pipe connecting part (8), a first cavity (13) is arranged inside one end, close to the releasing pipe connecting part (8), of the valve body (5), a second cavity (14) is arranged inside one end, far away from the releasing pipe connecting part (8), of the valve body (5), a temperature sensing driving assembly is arranged in the second cavity (14), a plurality of through holes (16) are arranged on one end plate (15) of the second cavity (14), the other end of the second cavity (14) is communicated with the first cavity (13) through a connecting channel (6), and a thimble (9) is arranged in the connecting channel (6), one end of the first cavity (13) close to the connecting channel (6) is provided with a sealing ball (10), one end of the first cavity (13) close to the release pipe connecting portion (8) is provided with an orifice plate (17), a bias spring (11) is connected between the orifice plate (17) and the sealing ball (10), the sealing ball (10) is connected with one end of the ejector pin (9), and the other end of the ejector pin (9) is connected with a temperature sensing driving assembly.
2. An automatic fire extinguishing electrical switchgear, according to claim 1, characterized in that: the temperature sensing driving assembly comprises a cylindrical supporting rod (18) and a spring positioning baffle (19) fixed at one end of the cylindrical supporting rod (18), the spring positioning baffle (19) is connected with the ejector pin (9), and one end of the cylindrical supporting rod (18) which is sleeved with a memory alloy temperature sensing driving spring (4) and a memory alloy temperature sensing driving spring (4) is fixedly connected with the end plate (15).
3. An automatic fire extinguishing electrical switchgear, according to claim 1 or 2, characterized in that: and a plurality of air injection holes (7) are formed in the side wall of one end, close to the second cavity (14), of the valve body (5).
4. An automatic fire extinguishing electrical switchgear, according to claim 1, characterized in that: the first cavity (13) is a conical cavity, and the second cavity (14) is a cylindrical cavity.
5. An automatic fire extinguishing electrical switchgear, according to claim 1, characterized in that: the release pipe connecting part (8) is an internal thread arranged on the valve body (5).
6. An automatic fire extinguishing electrical switchgear, according to claim 1, characterized in that: the fire extinguishing agent releasing pipe (2) is spirally fixed in the cabinet body (12).
7. An automatic fire extinguishing electrical switchgear, according to claim 2, characterized in that: the memory alloy temperature-sensing driving spring (4) is made of nickel titanium based high temperature memory alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221037.3U CN209900488U (en) | 2018-12-27 | 2018-12-27 | Electric switch cabinet capable of automatically extinguishing fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221037.3U CN209900488U (en) | 2018-12-27 | 2018-12-27 | Electric switch cabinet capable of automatically extinguishing fire |
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| Publication Number | Publication Date |
|---|---|
| CN209900488U true CN209900488U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822221037.3U Active CN209900488U (en) | 2018-12-27 | 2018-12-27 | Electric switch cabinet capable of automatically extinguishing fire |
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| CN (1) | CN209900488U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109568840A (en) * | 2018-12-27 | 2019-04-05 | 兰州西脉记忆合金股份有限公司 | It is a kind of can self-extinguishing cabinet |
| CN114404842A (en) * | 2022-01-25 | 2022-04-29 | 北京津航安全技术有限公司 | Active fire prevention cabinet body |
-
2018
- 2018-12-27 CN CN201822221037.3U patent/CN209900488U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109568840A (en) * | 2018-12-27 | 2019-04-05 | 兰州西脉记忆合金股份有限公司 | It is a kind of can self-extinguishing cabinet |
| CN114404842A (en) * | 2022-01-25 | 2022-04-29 | 北京津航安全技术有限公司 | Active fire prevention cabinet body |
| CN114404842B (en) * | 2022-01-25 | 2023-01-10 | 北京津航安全技术有限公司 | Active fireproof cabinet body |
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