CN111864563A - Fire extinguishing type power distribution cabinet based on high-temperature demagnetization principle - Google Patents
Fire extinguishing type power distribution cabinet based on high-temperature demagnetization principle Download PDFInfo
- Publication number
- CN111864563A CN111864563A CN202010739919.8A CN202010739919A CN111864563A CN 111864563 A CN111864563 A CN 111864563A CN 202010739919 A CN202010739919 A CN 202010739919A CN 111864563 A CN111864563 A CN 111864563A
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- China
- Prior art keywords
- cabinet body
- wall
- cavity
- sliding
- heat dissipation
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Classifications
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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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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/04—Removing or cutting-off the supply of inflammable material
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/004—Making of fire-extinguishing materials immediately before use for producing carbon-dioxide snow, carbon-dioxide ice, carbon-dioxide gas, carbon-dioxide liquid, or mixtures thereof
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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
-
- 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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
The invention discloses a fire extinguishing type power distribution cabinet based on a high-temperature demagnetization principle, which comprises a cabinet body, wherein a plurality of heat dissipation holes are symmetrically formed in the side wall of the cabinet body, a sliding cavity is symmetrically formed in the side wall of the cabinet body, the inner wall of the sliding cavity is connected with a sliding plate in a sealing and sliding manner, a plurality of through holes matched with the heat dissipation holes are formed in the side wall of the sliding plate, a permanent magnet is fixedly connected to the top of the sliding cavity, a magnet is fixedly connected to the upper end of the sliding plate, and the lower end of the permanent. According to the invention, the temperature in the cabinet body reaches the Curie point of the permanent magnet, so that the permanent magnet demagnetizes due to high temperature, the magnet drives the sliding plate to slide downwards under the action of the spring, the through hole and the heat dissipation hole are staggered, external air cannot enter the cabinet body through the heat dissipation hole, oxygen insulation treatment is carried out on the interior of the cabinet body, carbon dioxide is generated through hydrochloric acid solution and calcium carbonate particles, the concentration of the carbon dioxide in the cabinet body is increased, and extinguishing of fire in the cabinet body is accelerated.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a fire-extinguishing type power distribution cabinet based on a high-temperature demagnetization principle.
Background
The power distribution cabinet is a general name of a motor control center, distributes electric energy of a certain circuit of upper-level power distribution equipment to nearby loads and provides protection, monitoring and control for the loads, and the power distribution cabinet is one of indispensable electrical equipment in life of people.
Because set up a large amount of electronic components in the switch board and be used for guaranteeing the normal function of switch board, and then can produce higher heat in making the switch board, especially in summer, the temperature in the switch board can sharply rise for the conflagration takes place easily in the switch board, cause loss of property, in addition, the present cabinet door of opening the switch board of putting out a fire to putting out a fire of switch board is mostly put out a fire, but in the twinkling of an eye opening the switch board cabinet door, fire in the switch board can outwards gush out, leads to the emergence of incident easily.
Therefore, the invention provides a fire extinguishing type power distribution cabinet based on a high-temperature demagnetization principle.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a fire extinguishing type power distribution cabinet based on a high-temperature demagnetization principle.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a type of putting out a fire switch board based on high temperature demagnetization principle, includes the cabinet body, a plurality of louvres have been seted up to cabinet side wall symmetry, cabinet side wall symmetry has been seted up smooth chamber, the sealed sliding connection of smooth intracavity wall has the slide, the slide lateral wall has been seted up a plurality ofly and louvre complex through-hole, slide top fixedly connected with permanent magnetism piece, slide upper end fixedly connected with magnet, the permanent magnetism piece lower extreme passes through spring and magnet upper end fixed connection, the stock solution chamber is constituteed with smooth intracavity wall to the slide lower extreme, the stock solution intracavity is filled there is liquid hydrochloric acid, the internal air feed mechanism that provides carbon dioxide to the cabinet when installing the conflagration of taking place of cabinet.
Preferably, air feed mechanism is including connecting the one-way pipette at stock solution intracavity wall, the reaction chamber has been seted up to cabinet body lower extreme, the reaction intracavity is filled there are calcium carbonate granule, stock solution intracavity bottom is through drain pipe and reaction intracavity wall connection, the inner wall intercommunication that one-way outlet duct and louvre are close to cabinet body inner wall is passed through to reaction intracavity top.
Preferably, a combination valve is arranged in the liquid outlet pipe, and the combination valve consists of a one-way valve and a pressure relief valve which only allow liquid to flow from the liquid storage cavity to the reaction cavity.
Preferably, a circular groove is formed in the top of the reaction cavity, one end of the one-way air outlet pipe is connected with the top of the circular groove, a plurality of fan blades made of magnetic materials are rotatably connected to the bottom of the reaction cavity through a rotating shaft, the magnetism of every two adjacent fan blades is opposite, and the inner wall of the reaction cavity is symmetrically and slidably connected with magnetic rings.
The invention has the following beneficial effects:
1. by arranging the permanent magnet blocks, the springs and the magnets, when the temperature of a fire disaster in the cabinet body is high and the temperature reaches the Curie point temperature of the permanent magnet blocks, the permanent magnet blocks are demagnetized due to high temperature, so that the magnetic attraction of the permanent magnet blocks to the magnets disappears, the magnets drive the sliding plate to slide downwards under the action of the springs, the through holes and the heat dissipation holes are staggered, the heat dissipation holes are sealed, external air cannot enter the cabinet body through the heat dissipation holes, oxygen insulation treatment is carried out on the interior of the cabinet body, and the fire disaster in the cabinet body is eliminated;
2. by arranging the liquid storage cavity and the gas supply mechanism, the sliding plate slides downwards to extrude the hydrochloric acid solution in the liquid storage cavity to enter the reaction cavity through the liquid outlet pipe, so that the hydrochloric acid solution and calcium carbonate particles generate carbon dioxide, and then the carbon dioxide is sprayed out of the cabinet body through the one-way gas outlet pipe, the concentration of the carbon dioxide in the cabinet body is increased, and the extinguishing of fire in the cabinet body is further accelerated;
3. when the temperature in the cabinet body is reduced to the Curie point temperature of the permanent magnet blocks, the permanent magnet blocks generate magnetism again to attract the magnets, and further the sliding plate is driven to slide on the inner wall of the sliding cavity, so that the through holes are coincided with the heat dissipation holes, and heat generated when electronic elements in the cabinet body work is dissipated;
4. through setting up the circular slot, flabellum and magnetic ring, carbon dioxide drives the flabellum rotation when flowing from one-way outlet duct, magnetism between two adjacent flabellums is opposite can make the magnetic ring periodic suction and repulsion that receives, and then when the flabellum interval that each magnetism is different was swept the magnetic ring, it makes a round trip to slide at the reaction intracavity wall to drive the magnetic ring, make hydrochloric acid solution and calcium carbonate granule fully contact, accelerate its reaction rate, and then accelerate the production of carbon dioxide in the unit interval, accelerate the speed of putting out a fire to the internal cabinet, reduce loss of property.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is a schematic structural diagram of a second embodiment of the present invention;
fig. 5 is an enlarged schematic view of the structure at C in fig. 4.
In the figure: 1 cabinet body, 2 louvres, 3 sliding cavities, 4 sliding plates, 5 through holes, 6 permanent magnets, 7 springs, 8 magnets, 9 liquid storage cavities, 10 reaction cavities, 11 liquid outlet pipes, 12 one-way air outlet pipes, 13 one-way liquid suction pipes, 14 circular grooves, 15 fan blades and 16 magnetic rings.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Example one
Referring to fig. 1-3, a fire extinguishing type power distribution cabinet based on the high temperature degaussing principle comprises a cabinet body 1, wherein a plurality of heat dissipation holes 2 are symmetrically formed in the side wall of the cabinet body 1, a sliding cavity 3 is symmetrically formed in the side wall of the cabinet body 1, a sliding plate 4 is connected to the inner wall of the sliding cavity 3 in a sealing and sliding manner, a plurality of through holes 5 matched with the heat dissipation holes 2 are formed in the side wall of the sliding plate 4, a permanent magnet 6 is fixedly connected to the top of the sliding cavity 3, a magnet 8 is fixedly connected to the upper end of the sliding plate 4, the lower end of the permanent magnet 6 is fixedly connected to the upper end of the magnet 8 through a spring 7, further, the permanent magnet 6 is made of a Mn-Zn ferrite material, the curie point is 105 ℃, the permanent magnet 6 attracts the magnet 8 mutually under the initial state, when a fire occurs in the cabinet body 1 to enable the temperature in the cabinet body 1 to reach the curi, the air pressure generated when the sliding plate 4 slides on the inner wall of the sliding cavity 3 is balanced, the lower end of the sliding plate 4 and the inner wall of the sliding cavity 3 form a liquid storage cavity 9, liquid hydrochloric acid is filled in the liquid storage cavity 9, and an air supply mechanism for providing carbon dioxide in the cabinet body 1 when a fire disaster occurs is installed in the cabinet body 1.
Air feed mechanism has seted up reaction chamber 10 including connecting the one-way pipette 13 at stock solution chamber 9 inner wall at 1 lower extreme of the cabinet body, and reaction chamber 10 intussuseption is filled with the calcium carbonate granule, and is further, can produce carbon dioxide gas when hydrochloric acid solution and calcium carbonate granule mix, and the reaction equation is: CaCO3+2HCl＝CaCl2+CO2↑+H2O, the concentration of the carbon dioxide in the cabinet body 1 can be increased by the generated carbon dioxide gas, so that the purpose of fire suppression treatment is achieved, the bottom in the liquid storage cavity 9 is connected with the inner wall of the reaction cavity 10 through the liquid outlet pipe 11, the top in the reaction cavity 10 is communicated with the inner wall of the heat dissipation hole 2 close to the inner wall of the cabinet body 1 through the one-way gas outlet pipe 12, it needs to be explained that the one-way liquid suction pipe 13 only allows the solution to enter the liquid storage cavity 9 from the outside, and the one-way gas outlet pipe 12 only allows the.
Install the combination valve in the drain pipe 11, and the combination valve comprises check valve and the relief valve that only allows liquid to flow to reaction chamber 10 from stock solution chamber 9, it should be said that, under initial condition, the gravity of hydrochloric acid solution in the stock solution chamber 9 is less than the critical value of relief valve for hydrochloric acid solution can't flow to reaction chamber 10 from drain pipe 11 in, only when slide 4 glides and extrudes hydrochloric acid solution, hydrochloric acid solution just can be followed drain pipe 11 and discharged.
In this embodiment, when a fire occurs in the cabinet 1, so that the temperature inside the cabinet rises and reaches the curie point temperature of the permanent magnet 6, the permanent magnet 6 demagnetizes due to high temperature, so that the magnetic attraction of the permanent magnet 6 to the magnet 8 disappears, and the magnet 8 drives the sliding plate 4 to slide down on the inner wall of the sliding cavity 3 under the action of the spring 7, so that the through hole 5 and the heat dissipation hole 2 are dislocated, and further the heat dissipation hole 2 is sealed, so that the external air cannot enter the cabinet 1 through the heat dissipation hole 2, the cabinet 1 is subjected to oxygen insulation treatment, and further the fire in the cabinet 1 is inhibited from burning, the sliding plate 4 extrudes the liquid storage cavity 9 on the inner wall of the sliding cavity 3, so that the space of the liquid storage cavity 9 is reduced, the pressure is increased, and further the hydrochloric acid solution enters the reaction cavity 10 through the liquid outlet pipe 11 and is mixed and reacted with calcium carbonate particles filled in the reaction cavity 10 to generate, the concentration of carbon dioxide in the cabinet body 1 is increased, so that the extinguishing of fire in the cabinet body 1 is accelerated;
when the temperature in the cabinet body 1 is reduced to the Curie point temperature of the permanent magnet 6, magnetism is regenerated on the permanent magnet 6, and then the magnet 8 is attracted to slide upwards, and then the sliding plate 4 is driven to slide upwards on the inner wall of the sliding cavity 3, so that the through hole 5 coincides with the heat dissipation hole 2, and heat generated during the operation of the electronic element in the cabinet body 1 is conveniently dissipated.
Example two
Referring to fig. 4-5, the difference from the first embodiment is that a circular groove 14 is formed in the top of the reaction chamber 10, one end of the one-way air outlet pipe 12 is connected to the top of the circular groove 14, the bottom of the reaction chamber 10 is rotatably connected to a plurality of fan blades 15 made of magnetic materials through a rotating shaft, the two adjacent fan blades 15 are opposite in magnetism, the inner wall of the reaction chamber 10 is symmetrically and slidably connected to a magnetic ring 16, and further, the magnetic ring 16 can be periodically attracted and repelled by the opposite magnetism between the two adjacent fan blades 15, so that when the fan blades 15 rotate, the magnetic ring 16 can be driven to slide back and forth in the reaction chamber 10, and calcium carbonate particles are stirred.
It should be noted that, the fan blades 15 and the magnetic ring 16 are both made of neodymium magnets, and the neodymium magnets have a high temperature resistance characteristic, so that the magnetic weakening of the fan blades 15 and the magnetic ring 16 at a high temperature can be avoided, the sliding distance of the magnetic ring 16 on the inner wall of the reaction chamber 10 is shortened, and the stirring efficiency of calcium carbonate particles is reduced.
In this embodiment, when the carbon dioxide gas that hydrochloric acid solution and calcium carbonate granule mixed reaction generated flows from one-way outlet pipe 12, can drive a plurality of flabellums 15 of fixed connection at the pivot lateral wall and rotate, and then make the flabellum 15 intermittent type nature of each magnetism different sweep magnetic ring 16, make magnetic ring 16 slide back and forth at reaction chamber 10 inner wall under the effect of the appeal and the repulsion force of each flabellum 15, stir calcium carbonate granule, avoid calcium carbonate granule to deposit for a long time the back gathering together, make hydrochloric acid solution unable and calcium carbonate granule fully contact, lead to the production decline of carbon dioxide in the unit interval, lead to the speed of putting out a fire to the internal 1 of cabinet to descend, cause property loss.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A fire extinguishing type power distribution cabinet based on a high-temperature demagnetization principle comprises a cabinet body (1) and is characterized in that, a plurality of heat dissipation holes (2) are symmetrically formed in the side wall of the cabinet body (1), sliding cavities (3) are symmetrically formed in the side wall of the cabinet body (1), the inner wall of the sliding cavity (3) is hermetically and slidably connected with a sliding plate (4), the side wall of the sliding plate (4) is provided with a plurality of through holes (5) matched with the heat dissipation holes (2), the inner top of the sliding cavity (3) is fixedly connected with a permanent magnet (6), the upper end of the sliding plate (4) is fixedly connected with a magnet (8), the lower end of the permanent magnet (6) is fixedly connected with the upper end of the magnet (8) through a spring (7), the lower end of the sliding plate (4) and the inner wall of the sliding cavity (3) form a liquid storage cavity (9), the liquid storage cavity (9) is filled with liquid hydrochloric acid, and an air supply mechanism for providing carbon dioxide in the cabinet body (1) when a fire disaster happens is installed in the cabinet body (1).
2. The fire extinguishing type power distribution cabinet based on the high-temperature demagnetization principle according to claim 1, wherein the gas supply mechanism comprises a one-way liquid suction pipe (13) connected to the inner wall of the liquid storage cavity (9), a reaction cavity (10) is formed in the lower end of the cabinet body (1), calcium carbonate particles are filled in the reaction cavity (10), the bottom of the liquid storage cavity (9) is connected with the inner wall of the reaction cavity (10) through a liquid outlet pipe (11), and the top of the reaction cavity (10) is communicated with the inner wall of the heat dissipation hole (2) close to the inner wall of the cabinet body (1) through a one-way gas outlet pipe (12).
3. Fire extinguishing type power distribution cabinet based on the high temperature degaussing principle according to claim 2, characterized in that a combination valve is installed in the liquid outlet pipe (11), and the combination valve is composed of a one-way valve and a pressure relief valve which only allow liquid to flow from the liquid storage chamber (9) to the reaction chamber (10).
4. The fire extinguishing type power distribution cabinet based on the high-temperature demagnetization principle according to claim 2, wherein a circular groove (14) is formed in the inner top of the reaction chamber (10), one end of the one-way air outlet pipe (12) is connected with the inner top of the circular groove (14), a plurality of fan blades (15) made of magnetic materials are rotatably connected to the inner bottom of the reaction chamber (10) through rotating shafts, the magnetism of every two adjacent fan blades (15) is opposite, and magnetic rings (16) are symmetrically and slidably connected to the inner wall of the reaction chamber (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739919.8A CN111864563B (en) | 2020-07-28 | 2020-07-28 | Fire extinguishing type power distribution cabinet based on high-temperature demagnetization principle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739919.8A CN111864563B (en) | 2020-07-28 | 2020-07-28 | Fire extinguishing type power distribution cabinet based on high-temperature demagnetization principle |
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| CN111864563A true CN111864563A (en) | 2020-10-30 |
| CN111864563B CN111864563B (en) | 2021-04-27 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112203486A (en) * | 2020-11-17 | 2021-01-08 | 任宗愈 | Flame-retardant electrical cabinet |
| CN112546493A (en) * | 2020-12-08 | 2021-03-26 | 罗玉敏 | Fireproof alarm structure for cable trench of transformer substation |
| CN112569500A (en) * | 2020-12-11 | 2021-03-30 | 来倩倩 | Lithium battery fireproof device for new energy automobile |
| CN112690577A (en) * | 2020-12-26 | 2021-04-23 | 南昌旋龟科技有限公司 | Compact shelf based on Internet of things and using method thereof |
| CN112735781A (en) * | 2020-12-20 | 2021-04-30 | 宁波谦屹节能科技有限公司 | Cooling and noise reducing dry-type transformer |
| CN112821214A (en) * | 2021-03-02 | 2021-05-18 | 何静伟 | Fire extinguishing type cabinet door used for power distribution cabinet |
| CN112952571A (en) * | 2021-03-10 | 2021-06-11 | 何静伟 | A electric power cabinet fire prevention cabinet door for outdoor environment |
| CN113300255A (en) * | 2021-06-08 | 2021-08-24 | 宁波星宏智能技术有限公司 | Intelligent power utilization monitoring device and method for factory |
| CN113303513A (en) * | 2021-06-20 | 2021-08-27 | 张鹏程 | Atomizing device of electronic cigarette |
| CN114171358A (en) * | 2021-11-30 | 2022-03-11 | 无锡东海智控软件有限公司 | Motor control device for portable cleaning machine |
| CN115691029A (en) * | 2022-10-10 | 2023-02-03 | 营口天成消防设备有限公司 | Dual-redundancy alarm and fire extinguishing system for realizing remote monitoring power supply based on Internet of things |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112203486A (en) * | 2020-11-17 | 2021-01-08 | 任宗愈 | Flame-retardant electrical cabinet |
| CN112546493A (en) * | 2020-12-08 | 2021-03-26 | 罗玉敏 | Fireproof alarm structure for cable trench of transformer substation |
| CN112569500A (en) * | 2020-12-11 | 2021-03-30 | 来倩倩 | Lithium battery fireproof device for new energy automobile |
| CN112735781A (en) * | 2020-12-20 | 2021-04-30 | 宁波谦屹节能科技有限公司 | Cooling and noise reducing dry-type transformer |
| CN112690577A (en) * | 2020-12-26 | 2021-04-23 | 南昌旋龟科技有限公司 | Compact shelf based on Internet of things and using method thereof |
| CN112821214A (en) * | 2021-03-02 | 2021-05-18 | 何静伟 | Fire extinguishing type cabinet door used for power distribution cabinet |
| CN112952571A (en) * | 2021-03-10 | 2021-06-11 | 何静伟 | A electric power cabinet fire prevention cabinet door for outdoor environment |
| CN113300255A (en) * | 2021-06-08 | 2021-08-24 | 宁波星宏智能技术有限公司 | Intelligent power utilization monitoring device and method for factory |
| CN113303513A (en) * | 2021-06-20 | 2021-08-27 | 张鹏程 | Atomizing device of electronic cigarette |
| CN114171358A (en) * | 2021-11-30 | 2022-03-11 | 无锡东海智控软件有限公司 | Motor control device for portable cleaning machine |
| CN114171358B (en) * | 2021-11-30 | 2023-02-14 | 无锡东海智控软件有限公司 | Motor control device for portable cleaning machine |
| CN115691029A (en) * | 2022-10-10 | 2023-02-03 | 营口天成消防设备有限公司 | Dual-redundancy alarm and fire extinguishing system for realizing remote monitoring power supply based on Internet of things |
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Inventor after: Zhang Chunhong Inventor after: Ji Wenjing Inventor after: Shen Yongfu Inventor before: Shen Yongfu |
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