CN211377195U - Fire-proof and explosion-proof distribution box - Google Patents
Fire-proof and explosion-proof distribution box Download PDFInfo
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- CN211377195U CN211377195U CN202020282038.3U CN202020282038U CN211377195U CN 211377195 U CN211377195 U CN 211377195U CN 202020282038 U CN202020282038 U CN 202020282038U CN 211377195 U CN211377195 U CN 211377195U
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Abstract
The utility model provides a fire prevention and explosion protection block terminal, includes block terminal box and chamber door, block terminal box top is provided with extinguishing device, extinguishing device includes cylindrical temperature sensing case, stop valve and gas bomb, and the vertical setting of temperature sensing case is inside the block terminal box, is provided with the piston in the temperature sensing case, and piston and temperature sensing incasement wall sliding fit are filled with phase change temperature sensing material in the temperature sensing box of piston below, and the piston top is provided with the piston rod, and piston rod one end is connected with the piston top, and the other end is connected with the valve rod of stop valve, and the valve rod of stop valve promotes the break-make of the inside. The utility model provides a fire and explosion protection block terminal can in time open extinguishing device when the incasement temperature risees to the warning line, prevents that the condition of a fire from stretching.
Description
Technical Field
The utility model relates to a block terminal, especially an explosion-proof block terminal of preventing fires belongs to power equipment technical field.
Background
Distribution boxes are common electrical equipment and are widely used in industrial, commercial and civil fields. According to the application field difference, be provided with different electrical equipment in the block terminal, when high-power equipment was installed to the block terminal, can produce a large amount of heats in work, is in high temperature operational environment or when the heat dissipation is bad when the block terminal, and the heat of gathering in the box can cause the conflagration hidden danger, and some block terminals have taken fire prevention measure to block terminal inside at present, if increase the naked light of infrared probe detection incasement, then send alarm signal if the condition of a fire takes place. However, this method requires the addition of a corresponding detecting electrical component, which is complicated in structure, and the electrical component is prone to malfunction, and cannot extinguish the fire in the distribution box in the first time.
Disclosure of Invention
The utility model aims to provide a: the utility model provides a fire prevention and explosion protection block terminal can in time open extinguishing device when the incasement temperature risees to the warning line, prevents that the condition of a fire from stretching.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a fire-proof and explosion-proof distribution box comprises a distribution box body and a box door, wherein a fire extinguishing device is arranged at the top of the distribution box body and comprises a cylindrical temperature sensing box, a stop valve and an air storage bottle, the temperature sensing box is vertically arranged inside the distribution box body, a piston is arranged in the temperature sensing box body, the piston is in sliding fit with the inner wall of the temperature sensing box, a phase change temperature sensing material is filled in the temperature sensing box body below the piston, a piston rod is arranged above the piston, one end of the piston rod is connected with the top of the piston, the other end of the piston rod is connected with a valve rod of the stop; the piston rod is provided with a return spring, the inlet of the stop valve is connected with the gas outlet of the gas storage cylinder through a gas inlet pipe, the outlet of the stop valve is connected with a gas outlet pipe, and the gas outlet pipe is connected with a fire extinguishing nozzle arranged at the upper part in the distribution box body; furthermore, a distribution pipe is arranged in the distribution box body and connected with the air outlet pipe, and a plurality of fire extinguishing nozzles are arranged on the distribution pipe; furthermore, a sealing strip is arranged between a box door of the distribution box and a box body of the distribution box, and a plurality of air release holes are formed in the box body at the lower part of the distribution box; further, stop valve, gas bomb all set up in the block terminal roof outside, the piston rod is worn to establish the roof and is connected with the valve rod, reset spring one end and roof butt, the other end and piston upper surface butt, be provided with the maintenance valve in the intake pipe.
The utility model discloses an actively beneficial technological effect lies in: the utility model discloses a set up the gas bomb, fill in the gas bomb and establish high-pressure inert gas to set up the temperature sensing case in the box, when the heat was too high in the block terminal, the gasification of phase transition liquid that sets up in the temperature sensing case promoted the piston and opened the stop valve, and inert gas in the gas bomb sprays into and extinguishes the ignition point in the block terminal, plays the effect of protection conflagration; the distribution pipe arranged in the box body enables the inert gas to be uniformly discharged, the fire extinguishing effect is guaranteed, the gas leakage hole arranged at the lower part of the box body can discharge the inert gas sprayed into the cabinet body under the condition that the box body needs to be sealed in dust and outdoor environment, and a gas passage is formed, so that the distribution of the inert gas is more reasonable, and the fire extinguishing effect is improved; moreover, the utility model can return automatically after fire extinguishing, can be used repeatedly, and reduces the maintenance cost.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of the top of an embodiment of the present invention.
Detailed Description
In order to explain the utility model more fully, the following embodiment examples of the present invention are provided, which are only for the explanation of the present invention and do not limit the scope of the present invention.
The invention is explained in further detail with reference to the drawings, in which: 1. a distribution box body; 2. a box door; 3. a phase change temperature sensitive material; 4. a temperature sensing box; 5. a return spring; 6. a stop valve; 7. a gas cylinder; 8. an air inlet pipe; 9. an air outlet pipe; 10. a distribution pipe; 11. a fire extinguishing nozzle; 12. an air release hole; 13. maintaining the valve; 14. a stop valve body; 15. a shutter plate; 16. a pressure gauge; 17. an air outlet of the air storage cylinder; 18. a piston.
As shown in the figure: a fire-proof and explosion-proof distribution box comprises a distribution box body 1 and a box door 2, wherein a fire extinguishing device is arranged at the top of the distribution box body and comprises a cylindrical temperature sensing box 4, a stop valve 6 and an air storage bottle 7, the stop valve 6 and the air storage bottle are arranged above the top of the box, the temperature sensing box is vertically arranged inside the distribution box body, a piston 18 is arranged in the temperature sensing box body and is in sliding fit with the inner wall of the temperature sensing box, a phase-change temperature sensing material 3 is filled in the temperature sensing box body below the piston, a piston rod is arranged above the piston and penetrates through the top of the distribution box body, one end of the piston rod is connected with the top of the piston, the other; a return spring 5 is arranged on the piston rod, one end of the return spring is abutted against the top of the box, the other end of the return spring is abutted against the upper surface of the piston, the inlet of the stop valve is connected with an air outlet 17 of the gas storage bottle through an air inlet pipe 8, the outlet of the stop valve is connected with an air outlet pipe 9, the air outlet pipe is connected with a distribution pipe 10 arranged in the box body of the distribution box, a plurality of fire extinguishing nozzles 11 are arranged on the distribution pipe, and a plurality of air release holes 12 are arranged; the air inlet pipe is provided with a maintenance valve 13, and the air storage cylinder is provided with a pressure gauge 16.
The utility model discloses the selectable volatile amount is low, the phase change material of vaporization temperature below 100 degrees, as the phase change material that silicone oil class set up in the temperature sensing box, can fill in the gas bomb and establish nitrogen gas as fire extinguishing agent, when too high temperature because of catching fire in the distribution box body, the phase change material of temperature sensing box is heated gasification and is promoted the piston upward movement, the stop valve is opened, nitrogen gas in the gas bomb extinguishes the naked light in getting into the block terminal through the gas circuit, and leak out from disappointing the hole, disappear as the condition of a fire, in the box after the temperature descends, reset spring promotes the piston and descends, make equipment reset and reuse.
After the embodiments of the present invention have been described in detail, those skilled in the art can clearly understand that various changes and modifications can be made without departing from the scope and spirit of the above claims, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention, and the present invention is not limited to the embodiments of the examples given in the specification.
Claims (4)
1. The utility model provides a fire prevention and explosion protection block terminal, includes block terminal box and chamber door, its characterized in that: the fire extinguishing device is arranged at the top of the distribution box body and comprises a cylindrical temperature sensing box, a stop valve and an air storage bottle, the temperature sensing box is vertically arranged inside the distribution box body, a piston is arranged in the temperature sensing box body and is in sliding fit with the inner wall of the temperature sensing box, a phase change temperature sensing material is filled in the temperature sensing box body below the piston, a piston rod is arranged above the piston, one end of the piston rod is connected with the top of the piston, the other end of the piston rod is connected with a valve rod of the stop valve, and the valve rod of the stop valve pushes; the piston rod is provided with a return spring, the inlet of the stop valve is connected with the gas outlet of the gas storage cylinder through a gas inlet pipe, the outlet of the stop valve is connected with a gas outlet pipe, and the gas outlet pipe is connected with a fire extinguishing nozzle arranged on the upper portion in the distribution box body.
2. A fire and explosion protection electric box according to claim 1, wherein: the distribution box is characterized in that a distribution pipe is arranged in the distribution box body and connected with the air outlet pipe, and a plurality of fire extinguishing nozzles are arranged on the distribution pipe.
3. A fire and explosion protection electric box according to claim 1, wherein: a sealing strip is arranged between the box door of the distribution box and the box body of the distribution box, and a plurality of air leakage holes are formed in the box body at the lower portion of the distribution box.
4. A fire and explosion protection electric box according to claim 1, wherein: stop valve, gas bomb all set up in the block terminal box top outside, the piston rod is worn to establish the box top and is connected with the valve rod, reset spring one end and box top butt, the other end and piston upper surface butt, be provided with the maintenance valve in the intake pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020282038.3U CN211377195U (en) | 2020-03-10 | 2020-03-10 | Fire-proof and explosion-proof distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020282038.3U CN211377195U (en) | 2020-03-10 | 2020-03-10 | Fire-proof and explosion-proof distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211377195U true CN211377195U (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020282038.3U Active CN211377195U (en) | 2020-03-10 | 2020-03-10 | Fire-proof and explosion-proof distribution box |
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| Country | Link |
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| CN (1) | CN211377195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361977A (en) * | 2021-12-30 | 2022-04-15 | 中科瑞能电气股份有限公司 | Switch cabinet for maintenance |
-
2020
- 2020-03-10 CN CN202020282038.3U patent/CN211377195U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361977A (en) * | 2021-12-30 | 2022-04-15 | 中科瑞能电气股份有限公司 | Switch cabinet for maintenance |
| CN114361977B (en) * | 2021-12-30 | 2024-03-19 | 中科瑞能电气股份有限公司 | Switch cabinet for maintenance |
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