CN210273131U - High-voltage power distribution cabinet - Google Patents
High-voltage power distribution cabinet Download PDFInfo
- Publication number
- CN210273131U CN210273131U CN201921568709.6U CN201921568709U CN210273131U CN 210273131 U CN210273131 U CN 210273131U CN 201921568709 U CN201921568709 U CN 201921568709U CN 210273131 U CN210273131 U CN 210273131U
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- CN
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- Prior art keywords
- fire extinguishing
- extinguishing agent
- box
- storage chamber
- agent storage
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- Expired - Fee Related
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- 239000003795 chemical substances by application Substances 0.000 claims abstract description 79
- 239000002985 plastic film Substances 0.000 claims abstract description 22
- 229920006255 plastic film Polymers 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 230000002265 prevention Effects 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910010293 ceramic material Inorganic materials 0.000 description 5
- 230000003405 preventing effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a high-voltage distribution cabinet belongs to new forms of energy electric power technical field, when the electrical component abnormal heating in the switch board, can transmit the incombustible compressed gas in the fire extinguishing box pressure chamber with its heat high efficiency, when the atmospheric pressure of incombustible compressed gas is higher than a certain degree, the plastic film of fire extinguishing agent apotheca top and the bottom of fire extinguishing box can damage, under the gaseous promotion of inside, the superfine dry powder fire extinguishing agent in the fire extinguishing agent apotheca of fire extinguishing box scatters to the internal portion of cabinet, make each electrical component of cabinet internal in time keep apart the air, fabulous has played the fire prevention effect of putting out a fire.
Description
Technical Field
The utility model belongs to the technical field of the new forms of energy electric power, specifically speaking relates to a high voltage distribution cabinet.
Background
The high-voltage power distribution cabinet is an electrical product which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like, the voltage level is 3.6 kV-550 kV, and the new energy high-voltage power distribution cabinet is generally assembled with new energy related components for use, such as a solar panel, and is used for supplying power to the high-voltage power distribution cabinet.
In the technical field of new energy power, a high-voltage power distribution cabinet of the new energy power distribution cabinet generally has no other fireproof and explosion-proof devices except internal overheat protection, so that the following conditions can occur: 1) the overheat protection switch is used for timely disconnecting the power supply input, but the temperature in the power distribution cabinet is overhigh, the trend of fire is generated, and open fire appears along with the lapse of time; 2) the overheat protection switch does not cut off the power supply input in time, the internal temperature rises sharply, and explosion and fire occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is just in order to solve above-mentioned problem and provide a high voltage distribution cabinet.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a high-voltage power distribution cabinet comprises a cabinet body, wherein a solar cell panel is arranged on the cabinet body, the top surface of the cabinet body is absent, the absent surface is detachably and hermetically connected with a fire extinguishing box, and the solar cell panel is arranged at the top of the fire extinguishing box;
the fire extinguishing box is internally provided with a fire extinguishing agent storage chamber and a pressure chamber positioned above the fire extinguishing agent storage chamber, the pressure chamber is filled with non-combustible compressed gas, the pressure chamber is provided with an inflation inlet with a sealing plug and a barometer for detecting indoor air pressure, the bottom of the fire extinguishing agent storage chamber is provided with a fire extinguishing agent outlet, the top of the fire extinguishing agent storage chamber is provided with a driving port communicated with the pressure chamber, the fire extinguishing agent outlet and the driving port are sealed by a plurality of layers of plastic films, and the fire extinguishing agent storage chamber is internally filled with superfine dry powder fire extinguishing agent;
the fire extinguishing box is characterized in that a main air pipe and a plurality of auxiliary air pipes are arranged inside the fire extinguishing box, the pressure chamber is connected with air pipes, the main air pipe, the auxiliary air pipes and the air pipes are insulating heat conduction pipes, the main air pipe, the auxiliary air pipes, the air pipes and the pressure chamber are communicated, the auxiliary air pipes are flat pipes, and metal parts of all electrical elements in the cabinet body are at least in contact with the auxiliary air pipes.
The technical effect of the technical scheme is as follows: when the electrical component in the switch board is abnormal to generate heat, can be with the incombustible compressed gas in its heat high-efficient transmission to the case pressure chamber of putting out a fire, when the atmospheric pressure of incombustible compressed gas is higher than a certain degree, the plastic film of the fire extinguishing agent apotheca top and the bottom of the case of putting out a fire can damage, under gaseous promotion in inside, the superfine dry powder fire extinguishing agent in the fire extinguishing agent apotheca of the case of putting out a fire scatters to the internal portion of cabinet, make the internal each electrical component of cabinet in time keep apart the air, fabulous has played the fire prevention effect of putting out a fire.
As a technical scheme of this patent selection, the case of putting out a fire with can dismantle fixed connection through the flange between the cabinet body.
The technical effect of the technical scheme is as follows: the fire extinguishing box is convenient to disassemble and assemble, and equipment maintenance is facilitated.
As a technical scheme selected by the patent, the fire extinguishing agent outlet is positioned at the center of the bottom surface of the fire extinguishing agent storage chamber, and the occupied area of the fire extinguishing agent outlet is larger than 80% of the area of the bottom surface of the fire extinguishing agent storage chamber.
The technical effect of the technical scheme is as follows: when the abnormal temperature rise of the electric elements in the power distribution cabinet occurs, the superfine dry powder extinguishing agent in the power distribution cabinet can be scattered in time.
As a technical scheme selected by the patent, the insulating heat conduction pipe is a ceramic pipe.
The technical effect of the technical scheme is as follows: the ceramic material has excellent heat conduction and insulation performance and can well match the application environment of the insulated heat conduction pipe in the patent.
As a technical scheme selected by the patent, the non-combustible compressed gas is nitrogen.
The technical effect of the technical scheme is as follows: nitrogen is nonflammable, is commonly used and is easily available.
As a technical scheme of this patent selection, the internal a plurality of supplementary extinguishing device that are provided with of cabinet, supplementary extinguishing device is including the box of putting out a fire, be provided with pressure chamber and fire extinguishing agent apotheca in the box of putting out a fire, the fire extinguishing agent apotheca of the box of putting out a fire is closer to for the pressure chamber the center of the cabinet body, separate through a plurality of layers of plastic film between the pressure chamber of the box of putting out a fire and the fire extinguishing agent apotheca, the fire extinguishing agent apotheca of the box of putting out a fire is close to one side at cabinet body center is provided with the fire extinguishing agent export sealed through a plurality of layers of plastic film, the superfine dry powder fire extinguishing agent is equipped with in the fire extinguishing agent apotheca of box of putting out a fire, the pressure chamber of the box of putting out a fire is provided with.
The technical effect of the technical scheme is as follows: the auxiliary fire extinguishing device is similar to the fire extinguishing box in structure except that the volume ratio fire extinguishing box is small, and the design can further improve the fire extinguishing performance of the power distribution cabinet.
As a technical scheme of this patent selection, the internal bar arch that is provided with of cabinet, the box of putting out a fire is provided with the draw-in groove, the box of putting out a fire passes through the draw-in groove clamps the internal bar bellying of cabinet.
The technical effect of the technical scheme is as follows: the clamping groove is matched with the strip-shaped protrusion, so that the fire extinguishing box is convenient to mount and dismount.
As a technical scheme of this patent selection, connector department is provided with screw thread formula pipe connection head.
The technical effect of the technical scheme is as follows: through the pipeline connector, the fire extinguishing box can be connected into a gas pipeline in time.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic view of a partial sectional structure of a high voltage distribution cabinet according to the present invention;
FIG. 2 is a schematic view of a partial sectional structure of the fire extinguishing box of the present invention;
FIG. 3 is a schematic cross-sectional view of the auxiliary fire extinguishing apparatus of the present invention;
in the drawings, the names of the parts corresponding to the reference numerals are as follows:
1-cabinet body, 2-main air pipe, 3-auxiliary air pipe, 4-pipeline connector, 5-flange, 6-fire extinguishing box, 7-barometer, 8-fire extinguishing box, 9-inflation inlet, 10-air pipe, 11-solar cell panel, 12-pressure chamber, 13-fire extinguishing agent storage chamber, 14-plastic film, 15-plastic film, 16-superfine dry powder fire extinguishing agent, 17-connector, 18-pressure chamber, 19-fire extinguishing agent storage chamber, 20-plastic film, 21-clamping groove, 22-plastic film and 23-superfine dry powder fire extinguishing agent.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1
Referring to fig. 1 and fig. 2, the embodiment provides a high voltage power distribution cabinet, which is provided with a solar cell panel 11, and includes a cabinet body 1, wherein the top surface of the cabinet body 1 is absent, and the absent surface is detachably and hermetically connected with a fire extinguishing box 6, and the solar cell panel 11 is installed at the top of the fire extinguishing box 6;
a fire extinguishing agent storage chamber 13 and a pressure chamber 12 positioned above the fire extinguishing agent storage chamber are arranged in the fire extinguishing box 6, non-combustible compressed gas is filled in the pressure chamber 12, the pressure chamber 12 is provided with an inflation inlet 9 with a sealing plug and a barometer 7 for detecting the indoor air pressure, a fire extinguishing agent outlet is arranged at the bottom of the fire extinguishing agent storage chamber, a driving port communicated with the pressure chamber is arranged at the top of the fire extinguishing agent storage chamber, the fire extinguishing agent outlet and the driving port are sealed by a plurality of layers of plastic films, and an ultrafine dry powder fire extinguishing agent 16 is filled in the fire extinguishing agent storage chamber;
the fire extinguishing box 6 is internally provided with a main air pipe 2 and a plurality of auxiliary air pipes 3, the pressure chamber is connected with an air pipe 10, the main air pipe 2, the auxiliary air pipes 3 and the air pipe 10 are all insulated heat conducting pipes, the main air pipe 2, the auxiliary air pipes 3, the air pipe 10 and the pressure chamber are communicated, the auxiliary air pipes 3 are flat pipes, and metal parts of all electrical elements in the cabinet body 1 are at least in contact with one auxiliary air pipe 3.
The fire prevention principle of this embodiment high voltage distribution cabinet is as follows:
when one or more electric elements in the cabinet body 1 are heated rapidly, the temperature in the cabinet body 1 rises, the plastic films 14 and 15 become soft when heated (when the temperature reaches a certain degree, the plastic films are directly melted), because the auxiliary air pipe 3 is in direct contact with the electric elements, the air pressure in the auxiliary air pipe 3, the main air pipe 2, the air pipe 10 and the pressure chamber 12 rises rapidly under the action of indirect and direct heat transfer, when the air pressure rises to a certain degree, the plastic films 14 and 15 are both pressed and damaged by heat, and the superfine dry powder extinguishing agent 16 in the extinguishing agent storage chamber 13 is pushed into the cabinet body 1 by compressed air, so that the effect of timely preventing and extinguishing fire is achieved.
The fire extinguishing and fire preventing design in the embodiment mainly acts in emergency, the power distribution cabinet needs to be cleaned after the fire extinguishing and fire preventing effect is achieved each time, the fire extinguishing agent storage chamber 13 of the fire extinguishing box 6 is filled with the superfine dry powder fire extinguishing agent 16 again, and the top opening and the bottom opening of the fire extinguishing agent storage chamber 13 are provided with the plastic films, the number of layers of the plastic films is determined according to the caliber size, the thickness of the plastic films and the quantity of the fire extinguishing agent, if the number of layers is too small, the plastic films are easy to damage, and if the number of layers is too large, the fire extinguishing agent is not easy to;
when the compressed gas is supplemented, the sealing plug at the air charging port 9 can be directly pulled out for charging, the air charging port 9 can adopt the structural design of an air charging connector, namely, the gas can only be charged and can not leak from the air charging port, and in the charging process, whether the internal gas amount is enough can be accurately judged by observing the air pressure value on the air pressure meter 7.
Example 2
Aiming at the assembly mode of the fire extinguishing box 6 on the top of the cabinet body 1 in the embodiment 1, the fire extinguishing box 6 is detachably and fixedly connected with the cabinet body 1 through the flange 5.
Example 3
The size and the position of the fire extinguishing agent outlet of the fire extinguishing agent storage chamber are designed, the fire extinguishing agent outlet is positioned at the center of the bottom surface of the fire extinguishing agent storage chamber 13, and the area occupied by the fire extinguishing agent outlet is more than 80% of the area of the bottom surface of the fire extinguishing agent storage chamber 13.
In this embodiment, when the temperature in the cabinet 1 rises sharply, the ultra-fine powder extinguishing agent 16 in the extinguishing agent storage chamber 13 can be scattered in time.
Example 4
Regarding the selection of the structure of the insulating and heat-conducting pipe in embodiment 1, a ceramic pipe was selected as the insulating and heat-conducting pipe in this embodiment.
The ceramic material has excellent heat conduction and insulation performance, the heat conductivity of the ceramic material is 24-28W/m.K, the volume resistivity of the ceramic material is more than or equal to 1012 omega.m, and the ceramic material can be well matched with the application environment of the insulating heat conduction pipe in the patent.
Example 5
With respect to the selection of the type of the incombustible compressed gas in example 1, nitrogen is selected in this example, which has incombustibility, is widely used, and is easily available.
Example 6
Referring to fig. 1 and fig. 3, compared with embodiment 1, a plurality of auxiliary fire extinguishing devices are disposed in a cabinet 1, each auxiliary fire extinguishing device includes a fire extinguishing box 8, a pressure chamber 18 and a fire extinguishing agent storage chamber 19 are disposed in each fire extinguishing box 8, the fire extinguishing agent storage chamber 19 is closer to the center of the cabinet 1 than the pressure chamber 18, the pressure chamber 18 and the fire extinguishing agent storage chamber 19 are separated by a plurality of layers of plastic films 20, a fire extinguishing agent outlet sealed by a plurality of layers of plastic films 22 is disposed on one side of the fire extinguishing agent storage chamber 19 close to the center of the cabinet 1, an ultra-fine dry powder fire extinguishing agent 23 is filled in the fire extinguishing agent storage chamber 19 of the fire extinguishing box 8, the pressure chamber 18 is provided with two connecting ports 17, and the pressure chamber 18 is connected to a.
In this embodiment, the box 8 that goes out a fire has except that volume ratio fire extinguishing chamber 6 is little, and other structures are all similar with the structure of fire extinguishing chamber 6, and its fire prevention principle of putting out a fire is similar with the fire prevention principle of putting out a fire of fire extinguishing chamber 6, and it is only that it pushes out superfine dry powder extinguishing agent 23 from the edgewise, and its design can further improve the fire prevention fire extinguishing performance of switch board.
Example 7
Referring to fig. 1 and 3, in the embodiment 6, for the installation manner of the fire extinguishing box 8, a bar-shaped protrusion is arranged in the cabinet body 1, the fire extinguishing box 8 is provided with a clamping groove 21, and the fire extinguishing box 8 is clamped on the bar-shaped protrusion part in the cabinet body 1 through the clamping groove 21.
Example 8
Referring to fig. 1 and 3, in the gas path connection manner of the fire extinguishing box 8 in embodiment 6, a threaded pipeline connector 4 is disposed at the connection port, and the fire extinguishing box 8 can be connected to the gas pipeline in time through the pipeline connector 4.
According to the above embodiment, the present invention can be well implemented. It is worth to say that, on the premise of the above structural design, in order to solve the same technical problem, even if some insubstantial changes or retouching are made in the utility model, the essence of the adopted technical scheme is still the same as the utility model, so it should be in the protection scope of the utility model.
Claims (8)
1. A high-voltage power distribution cabinet comprises a cabinet body, wherein the cabinet body is provided with a solar cell panel, and the high-voltage power distribution cabinet is characterized in that the top surface of the cabinet body is absent, the absent surface is detachably and hermetically connected with a fire extinguishing box, and the solar cell panel is arranged at the top of the fire extinguishing box;
the fire extinguishing box is internally provided with a fire extinguishing agent storage chamber and a pressure chamber positioned above the fire extinguishing agent storage chamber, the pressure chamber is filled with non-combustible compressed gas, the pressure chamber is provided with an inflation inlet with a sealing plug and a barometer for detecting indoor air pressure, the bottom of the fire extinguishing agent storage chamber is provided with a fire extinguishing agent outlet, the top of the fire extinguishing agent storage chamber is provided with a driving port communicated with the pressure chamber, the fire extinguishing agent outlet and the driving port are sealed by a plurality of layers of plastic films, and the fire extinguishing agent storage chamber is internally filled with superfine dry powder fire extinguishing agent;
the fire extinguishing box is characterized in that a main air pipe and a plurality of auxiliary air pipes are arranged inside the fire extinguishing box, the pressure chamber is connected with air pipes, the main air pipe, the auxiliary air pipes and the air pipes are insulating heat conduction pipes, the main air pipe, the auxiliary air pipes, the air pipes and the pressure chamber are communicated, the auxiliary air pipes are flat pipes, and metal parts of all electrical elements in the cabinet body are at least in contact with the auxiliary air pipes.
2. The high-voltage distribution cabinet according to claim 1, wherein the fire extinguishing chamber is detachably and fixedly connected with the cabinet body through a flange.
3. The high voltage distribution cabinet according to claim 1, wherein the fire extinguishing agent outlet is located in the center of the bottom surface of the fire extinguishing agent storage chamber and occupies an area greater than 80% of the area of the bottom surface of the fire extinguishing agent storage chamber.
4. The high voltage distribution cabinet according to claim 1, wherein the insulating heat conducting tube is a ceramic tube.
5. The high voltage distribution cabinet according to claim 1, wherein the non-combustible compressed gas is nitrogen.
6. The high voltage distribution cabinet according to claim 1, wherein a plurality of auxiliary fire extinguishing devices are arranged in the cabinet body, each auxiliary fire extinguishing device comprises a fire extinguishing box, a pressure chamber and a fire extinguishing agent storage chamber are arranged in each fire extinguishing box, the fire extinguishing agent storage chamber of each fire extinguishing box is closer to the center of the cabinet body relative to the pressure chamber, the pressure chamber of each fire extinguishing box is separated from the fire extinguishing agent storage chamber through a plurality of layers of plastic films, one side, close to the center of the cabinet body, of the fire extinguishing agent storage chamber of each fire extinguishing box is provided with a fire extinguishing agent outlet sealed through a plurality of layers of plastic films, superfine dry powder fire extinguishing agents are filled in the fire extinguishing agent storage chamber of each fire extinguishing box, the pressure chambers of the fire extinguishing boxes are provided with two connectors, and the pressure chambers of the fire extinguishing boxes are connected into pipelines of the main air pipes through.
7. The high-voltage power distribution cabinet according to claim 6, wherein a bar-shaped protrusion is arranged in the cabinet body, the fire extinguishing box is provided with a clamping groove, and the fire extinguishing box is clamped on the bar-shaped protrusion part in the cabinet body through the clamping groove.
8. The high voltage distribution cabinet according to claim 6, wherein a threaded pipe connection is provided at the connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568709.6U CN210273131U (en) | 2019-09-20 | 2019-09-20 | High-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568709.6U CN210273131U (en) | 2019-09-20 | 2019-09-20 | High-voltage power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210273131U true CN210273131U (en) | 2020-04-07 |
Family
ID=70019460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921568709.6U Expired - Fee Related CN210273131U (en) | 2019-09-20 | 2019-09-20 | High-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210273131U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725884A (en) * | 2022-03-18 | 2022-07-08 | 江苏卓尔越电力科技有限公司 | Detachable fire extinguishing device based on cable branch box and use method thereof |
| CN117458282A (en) * | 2023-11-07 | 2024-01-26 | 佛山市顺德区方阶电器制造有限公司 | Normal pressure sealed switch cabinet based on 5G communication technology |
-
2019
- 2019-09-20 CN CN201921568709.6U patent/CN210273131U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725884A (en) * | 2022-03-18 | 2022-07-08 | 江苏卓尔越电力科技有限公司 | Detachable fire extinguishing device based on cable branch box and use method thereof |
| CN117458282A (en) * | 2023-11-07 | 2024-01-26 | 佛山市顺德区方阶电器制造有限公司 | Normal pressure sealed switch cabinet based on 5G communication technology |
| CN117458282B (en) * | 2023-11-07 | 2024-04-19 | 郑柏阳 | Normal pressure sealed switch cabinet based on 5G communication technology |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 |
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| CF01 | Termination of patent right due to non-payment of annual fee |