CN111799672A - Switch board with from function of putting out a fire - Google Patents
Switch board with from function of putting out a fire Download PDFInfo
- Publication number
- CN111799672A CN111799672A CN202010689618.9A CN202010689618A CN111799672A CN 111799672 A CN111799672 A CN 111799672A CN 202010689618 A CN202010689618 A CN 202010689618A CN 111799672 A CN111799672 A CN 111799672A
- Authority
- CN
- China
- Prior art keywords
- cabinet body
- cabinet
- wall
- air suction
- oxygen
- Prior art date
- 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
-
- 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
- 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
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/025—Removal of heat
- F25B2321/0251—Removal of heat by a gas
Abstract
The invention discloses a power distribution cabinet with a self-extinguishing function, which comprises a cabinet body, wherein a liquid storage cavity is formed in the side wall of the cabinet body, a plurality of fan blades are rotatably connected to the top in the cabinet body through a rotating shaft, an air injection pipe is connected to the top in the liquid storage cavity, a pressure relief valve is installed in the air injection pipe, one end, far away from the inner wall of the liquid storage cavity, of the air injection pipe is opposite to the blades of the fan blades, and two electromagnetic plates with opposite heteropoles are symmetrically and fixedly connected to the bottom and the top in the cabinet. According to the invention, carbon dioxide gas generated by heating sodium bicarbonate solution is sprayed out of the gas spraying pipe, the concentration of the carbon dioxide in the cabinet body is increased, meanwhile, the fan blades are driven to rotate rapidly, and further, induced current is generated on the wire frame, so that the electromagnetic plate is electrified to generate magnetism, and because oxygen has the characteristic of paramagnetism, oxygen in the cabinet body moves to the upper half part of the cabinet body, thereby reducing the concentration of the oxygen at the lower half part of the cabinet body and inhibiting fire on electronic elements positioned at the lower half part of the cabinet body.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a power distribution cabinet with a self-extinguishing function.
Background
The power distribution cabinet is a power distribution device formed by assembling elements such as switch equipment, measuring instruments, protective electrical appliances, auxiliary equipment and the like in a closed metal cabinet.
Because the switch board is the power consumption control source of a plurality of equipment, make the switch board often can the high load work, and then make temperature very high in the switch board, especially when high temperature weather such as summer, temperature in the switch board can sharply rise, and present switch board is in order to keep its inside component's dustproof effect, make to giving off less to thermal in the switch board, and then when temperature sharply rises in the switch board, very easily take place the conflagration in the switch board, and then to leading to the fact loss of property, in addition, put out a fire to the switch board at present mostly puts out a fire through the manual work, when catching fire in the switch board, its inside gas pressure is great, when people open the cabinet door of switch board in the twinkling of an eye, its inside fire is erupted easily, cause injury such as burn to people.
Therefore, a power distribution cabinet with a self-extinguishing function is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a power distribution cabinet with a self-extinguishing function.
In order to achieve the purpose, the invention adopts the following technical scheme:
a power distribution cabinet with a self-extinguishing function comprises a cabinet body, wherein a liquid storage cavity is arranged on the side wall of the cabinet body, the liquid storage cavity is filled with sodium bicarbonate solution, the top in the cabinet body is rotationally connected with a plurality of fan blades through a rotating shaft, the top of the liquid storage cavity is connected with an air injection pipe, a pressure relief valve is arranged in the air injection pipe, one end of the air injection pipe, far away from the inner wall of the liquid storage cavity, is opposite to the blades of the fan blades, two electromagnetic plates with opposite different poles are symmetrically and fixedly connected at the bottom and the top in the cabinet body, the two electromagnetic plates are arranged from bottom to top in the direction of a magnetic field line in the cabinet body, one of the fan blades is made of magnetic materials, a permanent magnet block is fixedly connected with the top in the cabinet body, the permanent magnet blocks are inserted with lead frames, the lead frames are coupled with the electromagnetic plate, and the cabinet body is internally provided with an air pumping mechanism for pumping out oxygen in the cabinet body.
Preferably, the air pumping mechanism comprises an air suction bag which is symmetrically and fixedly connected to the inner wall of the cabinet body, a permanent magnet plate is fixedly connected to the side wall of the air suction bag, permanent magnets are embedded in the fan blades, the magnetic properties of the permanent magnets are opposite, one side, far away from the inner wall of the cabinet body, of the air suction bag is connected with a one-way air suction pipe, and one side, close to the inner wall of the cabinet body, of the air suction bag is connected with a one-.
Preferably, a conductor ring is fixedly connected to the lower end of the cabinet body, the lead frame is coupled to the conductor ring, the conductor ring is made of two metal materials with different materials, and a heat absorbing plate is connected to one side of the conductor ring close to the inner wall of the cabinet body.
The invention has the following beneficial effects:
1. when a fire disaster occurs in the cabinet body, the temperature in the cabinet body is sharply increased at the moment, so that the temperature in the sodium bicarbonate solution in the liquid storage cavity is sharply increased, the sodium bicarbonate solution is heated and decomposed into water and carbon dioxide gas, the gas pressure in the liquid storage cavity is increased, when the gas pressure in the liquid storage cavity reaches the critical value of the pressure release valve, the carbon dioxide gas in the liquid storage cavity is sprayed out from the gas injection pipe at the moment, the concentration of the carbon dioxide in the cabinet body is increased, and then the fire suppression treatment is performed on the interior of the cabinet body;
2. by arranging the fan blades, the permanent magnets, the lead frame and the electromagnetic plate, carbon dioxide drives the fan blades to rotate quickly when being sprayed out of the air injection pipe, and then the fan blades made of magnetic materials continuously sweep over the permanent magnets, so that the lead frame continuously cuts magnetic induction lines between the fan blades and the permanent magnets and generates induction current, the electromagnetic plate is electrified to generate magnetism, and oxygen in the cabinet body moves towards the upper half part of the cabinet body due to the fact that the oxygen has the paramagnetic characteristic, so that the concentration of the oxygen at the lower half part of the cabinet body is reduced, and the fire on electronic elements at the lower half part of the cabinet body is further inhibited;
3. through the arrangement of the permanent magnets, the permanent magnet plates and the air suction bag, the fan blades drive the two permanent magnets with opposite magnetism to alternately sweep over the permanent magnet plates when rotating, so that the permanent magnet plates drive the air suction bag to continuously stretch, when the air suction bag stretches, the air suction bag absorbs oxygen-enriched gas in the upper half part of the cabinet body through the one-way air suction pipe, and when the air suction bag contracts, the air suction bag discharges the gas in the cabinet body through the one-way air outlet pipe, so that the oxygen content of the gas in the cabinet body is effectively reduced, and the aim of inhibiting fire in the cabinet body is fulfilled;
4. through setting up conductor ring and absorber plate, because the metal that the conductor ring adopted two different materials is made, when having the electric current to pass through on the conductor ring, make the conductor ring take place the Peltier effect in the thermoelectric phenomenon, in the return circuit that the electric current links into through two different materials promptly, can be in one end heat absorption, the exothermic phenomenon of the other end, and then make the conductor ring be close to one side heat absorption of cabinet internal wall, one side that is close to cabinet external wall is exothermic, under the effect of absorber plate, can effectually reduce the internal temperature of cabinet, thereby accelerate the putting out of the internal fire of cabinet.
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 a schematic structural diagram of a second embodiment of the present invention.
In the figure: the device comprises a cabinet body 1, a liquid storage cavity 2, fan blades 3, an air injection pipe 4, an electromagnetic plate 5, a permanent magnet 6, a lead frame 7, an air suction bag 8, a permanent magnet plate 9, a permanent magnet 10, a one-way air suction pipe 11, a one-way air outlet pipe 12, a conductor ring 13 and a heat absorption plate 14.
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. 1-2, a switch board with from function of putting out a fire, including the cabinet body 1, stock solution chamber 2 has been seted up to cabinet body 1 lateral wall, and the intussuseption of stock solution chamber 2 is filled with sodium bicarbonate solution, and it needs to explain that sodium bicarbonate solution is heated and can be decomposed into water and carbon dioxide, and the reaction equation is: 2NaHCO3＝Na2CO3+H2O+CO2^ 1, the top is connected with a plurality of flabellum 3 through the pivot rotation in the cabinet body 1, the top is connected with jet-propelled pipe 4 in the liquid storage chamber 2, install the relief valve in the jet-propelled pipe 4, jet-propelled pipe 4 keeps away from the one end of liquid storage chamber 2 inner wall and just to the blade setting of flabellum 3, furthermore, a plurality of flabellum 3 blades adopt centrifugal blade structure, make from jet-propelled pipe 4 spun carbon dioxide can drive flabellum 3 to rotate fast, bottom and interior top symmetry fixedly connected with two opposite electromagnetic plates 5 of heteropolarity in the cabinet body 1, and two electromagnetic plates 5 are from bottom to top in the magnetic field line direction in the cabinet body 1, one of them flabellum 3 adopts magnetic material to make, the top fixedly connected with permanent magnetism piece 6 in the cabinet body 1, peg graft on the permanent magnetism piece 6 and have wire frame 7, wire frame 7 and electromagnetic plate 5 coupling connection, it is further, when flabellum 3 rotates, so that the lead frame 7 generates induced current, the electromagnetic plate 5 is electrified to generate magnetism, and the cabinet body 1 is internally provided with an air pumping mechanism for pumping out oxygen in the cabinet body 1.
The pump gas mechanism is including symmetry fixed connection at the breathing in bag 8 of the internal wall of cabinet 1, 8 lateral walls fixedly connected with permanent magnetism board 9 of breathing in bag, the embedded permanent magnet 10 that is equipped with of a plurality of flabellum 3, magnetism is opposite between two adjacent permanent magnets 10, one side that the internal wall of cabinet 1 was kept away from to breathing in bag 8 is connected with one-way breathing pipe 11, one side that the internal wall of cabinet 1 is close to breathing in bag 8 is connected with one-way outlet duct 12, it is required to explain that, one-way breathing pipe 11 only allows gas to carry out in the breathing in bag 8 from the cabinet body, one-way.
In this embodiment, when a fire occurs in the cabinet body 1, the temperature in the cabinet body 1 rises sharply, so that the temperature in the sodium bicarbonate solution in the solution storage cavity 2 rises sharply, and the sodium bicarbonate solution is heated and decomposed into water and carbon dioxide gas, so that the gas pressure in the solution storage cavity 2 increases, when the carbon dioxide gas pressure in the solution storage cavity 2 reaches a critical value of a pressure release valve installed on the inner wall of the gas injection pipe 4, the carbon dioxide gas is ejected from the gas injection pipe 4, so as to increase the carbon dioxide gas concentration in the cabinet body 1, the carbon dioxide gas is ejected from the gas injection pipe 4 to drive the fan blade 3 to rotate rapidly, so that the fan blade 3 made of a magnetic material continuously skims over the permanent magnet 6, the lead frame 7 continuously cuts the magnetic induction lines between the fan blade 3 and the permanent magnet 6 and generates induction current, the electromagnetic plate 5 is powered on to generate magnetism, and the magnetic field lines of the two electromagnetic plates 5 in the cabinet, the oxygen has the paramagnetic characteristic, so that the oxygen in the cabinet body 1 moves to the upper half part of the cabinet body 1, the concentration of the oxygen at the lower half part of the cabinet body 1 is reduced, and the fire suppression treatment is performed on the electronic component at the lower half part of the cabinet body 1;
when the fan blades 3 rotate, the permanent magnets 10 with different magnetism embedded in the fan blades 3 are driven to intermittently sweep over the permanent magnet plates 9, so that the permanent magnet plates 9 drive the air suction bag 8 to reciprocate under the action of magnetic force, when the air suction bag 8 stretches, the air suction bag 8 absorbs the oxygen-rich gas in the upper half part of the cabinet body 1 through the one-way air suction pipe 11, when the air suction bag 8 contracts, the air suction bag 8 discharges the gas in the air suction bag 8 through the one-way air outlet pipe 12, and further when the air suction bag 8 reciprocates and stretches, the oxygen-rich gas in the upper half part of the cabinet body 1 is continuously discharged out of the cabinet body 1, so that the oxygen content of the gas in the cabinet body 1 is effectively reduced, and the purpose of inhibiting fire in the cabinet body 1 is achieved.
Example two
Referring to fig. 3, different from the first embodiment, a conductor ring 13 is fixedly connected to the lower end of the cabinet 1, the lead frame 7 is coupled to the conductor ring 13, the conductor ring 13 is made of two metal materials with different materials, and a heat absorbing plate 14 is connected to one side of the conductor ring 13 close to the inner wall of the cabinet 1, further, when the lead frame 7 supplies power to the conductor ring 13, the conductor ring 13 generates a peltier effect in a thermoelectric phenomenon, so that one end of the conductor ring 13 absorbs heat under the action of current, and the other end of the conductor ring 13 close to the inner wall of the cabinet 1 absorbs heat, and the other end close to the outer wall of the cabinet 1 releases heat.
In this embodiment, when induced current is generated on the lead frame 7 and the conductor ring 13 is powered on, because the conductor ring 13 is made by the metal material of two kinds of different materials, and then the last thermoelectric circuit that can constitute of conductor ring 13, can know by the peltier effect, the conductor ring 13 is close to the one end heat absorption of the internal wall of cabinet 1 under the electric current effect, the one end that is close to the external wall of cabinet 1 is exothermic, and then under the effect of absorber plate 14, make the conductor ring 13 constantly absorb the heat in the cabinet 1, thereby reduce the temperature in the cabinet 1, and then reduce the ignition point of the internal electronic component of cabinet 1, accelerate the putting out of the internal fire of cabinet 1.
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 (3)
1. The utility model provides a switch board with from function of putting out a fire, includes the cabinet body (1), its characterized in that, stock solution chamber (2) have been seted up to the cabinet body (1) lateral wall, stock solution chamber (2) intussuseption is filled with sodium bicarbonate solution, the top rotates through the pivot in the cabinet body (1) and is connected with a plurality of flabellum (3), the top is connected with jet-propelled pipe (4) in the stock solution chamber (2), install the relief valve in jet-propelled pipe (4), the one end that jet-propelled pipe (4) kept away from stock solution chamber (2) inner wall is just to the blade setting of flabellum (3), the bottom is connected with two relative electromagnetic plate (5) of heteropolar to cabinet body (1) interior bottom and interior top symmetry fixedly, and two magnetic field line direction of electromagnetic plate (5) in the cabinet body (1) is supreme from bottom, one of them flabellum (3) adopt magnetic material to make, top fixedly, the oxygen-enriched air conditioner is characterized in that a lead frame (7) is inserted into the permanent magnet block (6), the lead frame (7) is coupled with the electromagnetic plate (5), and an air pumping mechanism for pumping out oxygen in the cabinet body (1) is installed in the cabinet body (1).
2. The power distribution cabinet with the self-extinguishing function according to claim 1, wherein the air pumping mechanism comprises air suction bags (8) symmetrically and fixedly connected to the inner wall of the cabinet body (1), permanent magnet plates (9) are fixedly connected to the side walls of the air suction bags (8), permanent magnets (10) are embedded in the fan blades (3), the magnetic properties of two adjacent permanent magnets (10) are opposite, one side, away from the inner wall of the cabinet body (1), of each air suction bag (8) is connected with a one-way air suction pipe (11), and one side, close to the inner wall of the cabinet body (1), of each air suction bag (8) is connected with a one-way air outlet pipe (12).
3. The power distribution cabinet with the self-extinguishing function according to claim 1, characterized in that a conductor ring (13) is fixedly connected to the lower end of the cabinet body (1), the wire frame (7) is coupled to the conductor ring (13), the conductor ring (13) is made of two metal materials with different materials, and a heat absorbing plate (14) is connected to one side of the conductor ring (13) close to the inner wall of the cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010689618.9A CN111799672A (en) | 2020-07-17 | 2020-07-17 | Switch board with from function of putting out a fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010689618.9A CN111799672A (en) | 2020-07-17 | 2020-07-17 | Switch board with from function of putting out a fire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111799672A true CN111799672A (en) | 2020-10-20 |
Family
ID=72807535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010689618.9A Withdrawn CN111799672A (en) | 2020-07-17 | 2020-07-17 | Switch board with from function of putting out a fire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111799672A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112332278A (en) * | 2020-11-10 | 2021-02-05 | 安徽长龙电气集团有限公司 | Switch cabinet cooling fan and high-current gas insulation switch cabinet thereof |
| CN112387703A (en) * | 2020-10-23 | 2021-02-23 | 刘晓芳 | Dust-free area air shower for circuit board processing |
| CN112918950A (en) * | 2021-01-19 | 2021-06-08 | 湖州瑞讯机电设备有限公司 | Spontaneous combustion preventing garbage can for green city |
| CN113572040A (en) * | 2021-09-26 | 2021-10-29 | 江苏赫芝电气有限公司 | Electric power cabinet that rainy season possesses dampproofing mechanism |
| CN113612123A (en) * | 2021-07-10 | 2021-11-05 | 博广电气科技有限责任公司 | Intelligent high performance switch cabinet |
-
2020
- 2020-07-17 CN CN202010689618.9A patent/CN111799672A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387703A (en) * | 2020-10-23 | 2021-02-23 | 刘晓芳 | Dust-free area air shower for circuit board processing |
| CN112332278A (en) * | 2020-11-10 | 2021-02-05 | 安徽长龙电气集团有限公司 | Switch cabinet cooling fan and high-current gas insulation switch cabinet thereof |
| CN112918950A (en) * | 2021-01-19 | 2021-06-08 | 湖州瑞讯机电设备有限公司 | Spontaneous combustion preventing garbage can for green city |
| CN113612123A (en) * | 2021-07-10 | 2021-11-05 | 博广电气科技有限责任公司 | Intelligent high performance switch cabinet |
| CN113572040A (en) * | 2021-09-26 | 2021-10-29 | 江苏赫芝电气有限公司 | Electric power cabinet that rainy season possesses dampproofing mechanism |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20201020 |