CN111404054A - Automatic cooling and fire-proof device of electric power system based on principle of expansion with heat and contraction with cold - Google Patents
Automatic cooling and fire-proof device of electric power system based on principle of expansion with heat and contraction with cold Download PDFInfo
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- CN111404054A CN111404054A CN202010274607.4A CN202010274607A CN111404054A CN 111404054 A CN111404054 A CN 111404054A CN 202010274607 A CN202010274607 A CN 202010274607A CN 111404054 A CN111404054 A CN 111404054A
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- fixedly connected
- cabinet body
- power system
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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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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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
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the technical field of power system automation, and discloses an automatic cooling and fire-preventing device for a power system by using a principle of expansion with heat and contraction with cold, which comprises a cabinet body and is characterized in that: the wind channel has been seted up to the inside of the cabinet body, the outside fixedly connected with nozzle in wind channel, the inside swing joint of the cabinet body has the filter screen, the inside swing joint of filter screen has the fan, the inside fixedly connected with plunger section of thick bamboo of the cabinet body, the inside sliding connection of plunger section of thick bamboo has the plunger piece, the outside fixedly connected with movable contact block of plunger piece, the outside fixedly connected with telescopic link of movable contact block, the fixed contact block of lateral wall fixedly connected with of plunger section of thick bamboo uses through the cooperation of wind channel and nozzle to make the inspiratory air of fan spout from different nozzles, increase the region that the air flows, guarantee the radiating effect of the internal portion of cabinet, thereby guarantee the operational environment and the life of the internal portion electrical equipment of cabinet.
Description
Technical Field
The invention relates to the technical field of power system automation, in particular to an automatic cooling and fire-proof device for a power system by utilizing a principle of expansion with heat and contraction with cold.
Background
Power system automation is a development direction that we have sought for power systems, and it includes: the system comprises a power generation control system, a power distribution system, a power system management system and an automatic control system, wherein the power generation control system is used for controlling the power generation, the power dispatching system is used for controlling the power distribution system, the automatic detection, regulation and control of the production process, the automatic safety protection of the system and elements, the automatic transmission of network information, the automatic dispatching of system production, the automatic economic management of enterprises and the like are completed.
The existing automatic anti-accident device mainly comprises a relay protection device and a system safety protection device, wherein the relay protection device has the function of preventing system faults from damaging electrical equipment, the system safety protection device is used for ensuring the safe operation of an electric power system and preventing disastrous accidents such as system oscillation, out-of-step disconnection, full-network frequency breakdown, voltage breakdown and the like, however, when an electric power system cabinet catches fire, the power supply can be automatically cut off by the protection devices at several points, the temperature inside the cabinet body is still overhigh, and the ignition point is not extinguished, so that electric wire devices are burnt.
In addition, high temperature can be generated when power equipment in the power system cabinet runs, the existing power system cabinet is usually internally provided with an air conditioner or a fan for auxiliary heat dissipation, the air conditioner is high in cost and large in size, the application range is limited, the fan dissipates heat, the power of the fan is constant generally, the rotating speed of the fan cannot be automatically adjusted according to the internal temperature, certain energy waste is caused, an air guide device is not arranged in the existing power system cabinet, when the fan sucks wind power, the local air flow is not smooth due to the fact that the number of the electric equipment in the cabinet is large, heat cannot be dissipated, the phenomenon of local temperature rising is generated, the service life of the electric equipment in a high-temperature area is shortened, and the temperature continuously rises and fires under the serious condition.
In order to solve the above problems, the inventor provides an automatic cooling and fire-preventing device for an electric power system using a principle of expansion with heat and contraction with cold, which has the advantages of wind power diffusion and blowout, uniform air flow inside a cabinet body, effective prevention of local air blockage and unsmooth circulation, heat dissipation effect, improvement of the service life of electric equipment inside the cabinet body, automatic control of the rotating speed of a motor according to different temperatures, reduction of energy consumption and energy conservation, timely extinguishing of a fire point when a fire occurs, effective prevention of fire expansion, prevention of burning of the electric equipment inside the cabinet body by the fire, and reduction of economic loss.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an utilize automatic cooling firebreak device of electric power system of expend with heat and contract with cold principle, includes the cabinet body, wind channel, nozzle, filter screen, fan, a plunger section of thick bamboo, plunger piece, activity feeler, telescopic link, fixed feeler, dry powder room, mounting bracket, controller, electro-magnet, push rod, first spring, first transmission driving lever, first arc wall, first spacer pin, second transmission driving lever, second arc wall, second spacer pin, shrouding, second spring.
The positions and the connection relations of the structures are as follows:
the improved cabinet is characterized in that an air duct is formed inside the cabinet body, a nozzle is fixedly connected to the outside of the air duct, a filter screen is movably connected to the inside of the cabinet body, a fan is movably connected to the inside of the filter screen, a plunger cylinder is fixedly connected to the inside of the cabinet body, a plunger block is slidably connected to the inside of the plunger cylinder, a movable contact block is fixedly connected to the outside of the plunger block, a telescopic rod is fixedly connected to the outside of the movable contact block, a fixed contact block is fixedly connected to the side wall of the plunger cylinder, a dry powder chamber is fixedly connected to the inside of the cabinet body, a mounting frame is fixedly connected to the inside of the dry powder chamber, a controller is fixedly connected to the inside of the mounting frame, an electromagnet is movably connected to the inside of the controller, a push rod is fixedly connected to the outside of the electromagnet, a first spring, the novel energy-saving device is characterized in that a first arc-shaped groove is formed in the first transmission driving lever, a first limiting pin is movably connected to the inside of the first arc-shaped groove, a second transmission driving lever is meshed with the outside of the first transmission driving lever, a second arc-shaped groove is formed in the inside of the second transmission driving lever, a second limiting pin is movably connected to the inside of the second arc-shaped groove, a sealing plate is movably connected to the outside of the second transmission driving lever, and a second spring is fixedly connected to the top of the sealing plate.
Preferably, the air duct is arranged on two sides of the interior of the cabinet body, and at least four nozzles are arranged outside the air duct on each side.
Preferably, the filter screen is located at the center of the bottom of the cabinet body, and the two air channels are respectively movably connected to two sides of the filter screen.
Preferably, the plunger barrel is provided with an inert gas.
Preferably, activity feeler, telescopic link and fixed feeler are conducting material, and all with fan electric connection, fixed feeler is provided with three at least, interval and the high adaptation of activity feeler between per two fixed feeler, wherein top fixed feeler, activity feeler and telescopic link and electromagnet electric connection.
Preferably, the dry powder chamber is provided with two, and two dry powder chambers are located the both sides of the internal portion of cabinet respectively, and the opening has all been seted up to two dry powder chambers, and the open-ended is provided with sealed the pad all around, and the opening and the wind channel fixed connection of dry powder chamber.
Preferably, the controller is located inside the mounting frame, two electromagnets with opposite magnetic poles are arranged inside each controller, one of the electromagnets is fixedly connected with the controller, the other electromagnet is movably connected with the controller, and the movable electromagnet is fixedly connected with the push rod.
Preferably, the first transmission deflector rod and the second transmission deflector rod are hinged with the mounting frame.
Preferably, the first limiting pin and the second limiting pin are both fixedly connected with the mounting frame.
Preferably, the sealing plates are provided with two sealing plates which are respectively in sliding connection with the openings of the two dry powder chambers, and the width of the sealing plates is matched with the width of the openings.
Advantageous effects
Compared with the prior art, the invention provides an automatic cooling and fire-proof device for an electric power system by utilizing a principle of expansion with heat and contraction with cold, which has the following beneficial effects:
1. this utilize automatic cooling firebreak device of electric power system of expend with heat and contract with cold principle uses through the cooperation of wind channel and nozzle to make the inspiratory air of fan spout from different nozzles, increase the region that the air flows, guarantee the radiating effect of the internal portion of cabinet, thereby guarantee the operational environment and the life of the internal portion electrical equipment of cabinet.
2. This utilize automatic cooling firebreak device of electric power system of expend with heat and contract with cold principle uses through the cooperation of activity feeler and fixed feeler to reach the fan and adjust different rotational speeds according to different temperatures, the energy saving, and effectively guarantee radiating effect.
3. This utilize automatic cooling firebreak device of electric power system of expend with heat and contract with cold principle uses through the cooperation of activity feeler, fixed feeler and electro-magnet to when reaching the internal portion of cabinet and catching fire, dry powder room and wind channel intercommunication inhale wind-force and blow the inside that the dry powder spouts the cabinet body through wind channel and nozzle at the fan, thereby reach the effect of automatic fire extinguishing, put out a fire in time, effectively avoid the conflagration to enlarge, protect the electrical equipment of the internal portion of cabinet.
4. This utilize automatic cooling firebreak device of electric power system of expend with heat and contract with cold principle uses through the cooperation of wind channel, nozzle and dry powder room to effectively guarantee that the dry powder evenly spouts the inside of the cabinet body, make the dry powder evenly cover on the electrical equipment surface, thereby guarantee the effect of putting out a fire.
5. This utilize automatic cooling firebreak device of electric power system of expend with heat and contract with cold principle, through the use of filter screen, effectively prevent that the inspiratory dust of fan from advancing like the cabinet body, the electrical equipment of the internal portion of protection cabinet, and because filter screen and cabinet body swing joint, so make things convenient for the washing of filter screen, avoid the filter screen to block up.
Drawings
FIG. 1 is a schematic view of the overall connection of the structure of the present invention;
FIG. 2 is a perspective view of a filter according to the present invention;
FIG. 3 is a schematic view of the connection of the plunger cylinder, plunger block, movable contact block, telescopic rod and fixed contact block;
fig. 4 is an enlarged view of the connection of the controller, the electromagnet, the first driving lever, the second driving lever and the sealing plate in part a of the structure diagram of fig. 1.
In the figure: 1. a cabinet body; 2. an air duct; 3. a nozzle; 4. filtering with a screen; 5. a fan; 6. a plunger barrel; 7. a plunger block; 8. a movable contact block; 9. a telescopic rod; 10. fixing the contact block; 11. a dry powder chamber; 12. a mounting frame; 13. a controller; 14. an electromagnet; 15. a push rod; 16. a first spring; 17. a first transmission deflector rod; 18. a first arc-shaped slot; 19. a first limit pin; 20. a second transmission deflector rod; 21. a second arc-shaped slot; 22. a second limit pin; 23. closing the plate; 24. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an automatic cooling and fire-preventing device for an electrical power system using the principle of thermal expansion and cold contraction comprises a cabinet 1, an air duct 2, a nozzle 3, a filter screen 4, a fan 5, a plunger cylinder 6, a plunger block 7, a movable contact block 8, a telescopic rod 9, a fixed contact block 10, a dry powder chamber 11, an installation frame 12, a controller 13, an electromagnet 14, a push rod 15, a first spring 16, a first transmission shift lever 17, a first arc-shaped groove 18, a first limit pin 19, a second transmission shift lever 20, a second arc-shaped groove 21, a second limit pin 22, a sealing plate 23, and a second spring 24.
The positions and the connection relations of the structures are as follows:
the cabinet body 1 is internally provided with air ducts 2, the air ducts 2 are arranged at two sides inside the cabinet body 1, at least four nozzles 3 are arranged outside each air duct 2, the air sucked by the fan 5 is sprayed out from different nozzles 3 through the matching of the air ducts 2 and the nozzles 3, the air flowing area is increased, the heat dissipation effect inside the cabinet body 1 is ensured, the working environment and the service life of the electrical equipment inside the cabinet body 1 are ensured, the nozzles 3 are fixedly connected at the outer part of the air ducts 2, the filter screen 4 is movably connected inside the cabinet body 1, the filter screen 4 is positioned at the center of the bottom of the cabinet body 1, the two air ducts 2 are respectively and movably connected at two sides of the filter screen 4, through the use of the filter screen 4, the dust sucked by the fan 5 is effectively prevented from entering the cabinet body 1, the electrical equipment inside the cabinet body 1 is protected, and the filter screen 4 is movably connected with the cabinet, the filter screen 4 is prevented from being blocked, the filter screen 4 is movably connected with a fan 5, the cabinet body 1 is fixedly connected with a plunger cylinder 6 in the cabinet body 1, the plunger cylinder 6 is provided with inert gas, the plunger cylinder 6 is connected with a plunger block 7 in the inside in a sliding manner, the plunger block 7 is fixedly connected with a movable contact block 8 in the outside, a telescopic rod 9 is fixedly connected with the outside of the movable contact block 8, the side wall of the plunger cylinder 6 is fixedly connected with a fixed contact block 10, the movable contact block 8, the telescopic rod 9 and the fixed contact block 10 are all made of conductive materials and are electrically connected with the fan 5, at least three fixed contact blocks 10 are arranged, the distance between every two fixed contact blocks 10 is matched with the height of the movable contact block 8, the fixed contact block 10 at the topmost, the movable contact block 8 and the telescopic rod 9 are electrically connected with an electromagnet 14, and different rotating speeds of the fan 5 can be adjusted according to different temperatures through, energy is saved, and the heat dissipation effect is effectively ensured.
The inside of the cabinet body 1 is fixedly connected with a dry powder chamber 11, the dry powder is effectively ensured to be uniformly sprayed into the inside of the cabinet body 1 through the matching use of the air duct 2, the nozzle 3 and the dry powder chamber 11, the dry powder is enabled to be uniformly covered on the surface of the electrical equipment, and the fire extinguishing effect is ensured, two dry powder chambers 11 are arranged, the two dry powder chambers 11 are respectively positioned at two sides of the inside of the cabinet body 1, the two dry powder chambers 11 are respectively provided with an opening, the periphery of the opening is provided with a sealing gasket, the opening of the dry powder chamber 11 is fixedly connected with the air duct 2, the inside of the dry powder chamber 11 is fixedly connected with a mounting frame 12, the inside of the mounting frame 12 is fixedly connected with a controller 13, the inside of the controller 13 is movably connected with an electromagnet 14, the controller 13 is positioned inside the mounting frame 12, the inside of each controller 13 is provided with two electromagnets 14, another electromagnet 14 is movably connected with a controller 13, the movable electromagnet 14 is fixedly connected with a push rod 15, and the movable contact block 8, the fixed contact block 10 and the electromagnet 14 are used in a matched manner, so that when the inside of the cabinet body 1 catches fire, the dry powder chamber 11 is communicated with the air duct 2, the fan 5 sucks wind power and blows dry powder to be sprayed into the inside of the cabinet body 1 through the air duct 2 and the nozzle 3, thereby achieving the effect of automatic fire extinguishing, timely fire extinguishing is timely realized, the electric equipment inside the cabinet body 1 is effectively prevented from being expanded, the outside of the electromagnet 14 is fixedly connected with the push rod 15, the outside of the push rod 15 is connected with a first spring 16 in a sleeved manner, the outside of the push rod 15 is movably connected with a first transmission deflector rod 17, the first transmission deflector rod 17 and a second transmission deflector rod 20 are hinged with the mounting frame 12, a first arc-shaped groove 18 is formed inside the first transmission deflector rod 17, a first limit pin 19, the outside meshing of first transmission driving lever 17 is connected with second transmission driving lever 20, second arc wall 21 has been seted up to second transmission driving lever 20's inside, the inside swing joint of second arc wall 21 has second spacer pin 22, first spacer pin 19 and second spacer pin 22 all with mounting bracket 12 fixed connection, the outside swing joint of second transmission driving lever 20 has shrouding 23, shrouding 23 is provided with two, two shrouding 23 respectively with two dry powder chamber 11's opening sliding connection, and shrouding 23's width and open-ended width adaptation, the top fixedly connected with second spring 24 of shrouding 23.
In the working process, because the inside of the cabinet body 1 is fixedly connected with the plunger cylinder 6 and is slidably connected with the plunger block 7, the plunger block 7 is fixedly connected with the movable contact block 8, the telescopic rod 9 of the movable contact block 8 is fixedly connected, and the plunger cylinder 6 is fixedly connected with the fixed contact block 10, when the temperature in the cabinet body 1 rises, due to the principle of thermal expansion and cold contraction, the inert gas expands under heat and pushes the plunger block 7, the plunger block 7 pushes the movable contact block 8, the movable contact block 8 compresses the telescopic rod 9 to move upwards, when the movable contact block 8 is contacted with the fixed contact block 10, as the movable contact block 8, the telescopic rod 9 and the fixed contact block 10 are all made of conductive materials and are electrically connected with the fan 5, at least three fixed contact blocks 10 are arranged, the distance between every two fixed contact blocks 10 is matched with the height of the movable contact block 8, and the three fixed contact blocks 10 are in three rotation speed grades of the fan 5, 5 current switch-ons of fan, fan 5 begins to rotate, and with the continuous fixed touch multitouch 10 that makes up the difference of sliding contact of movable touch multitouch 8, 5 rotational speeds of fan increase gradually, because 5 swing joint of fan is in the inside of filter screen 4, filter screen 4 and swing joint connect the inside at the cabinet body 1, two wind channels 2 have been seted up to the inside of the cabinet body 1, the outside and the 3 fixed connection of nozzle of two wind channels 2, and because filter screen 4 is located the center of the 1 bottom of the cabinet body, and two wind channels 2 swing joint respectively are in the both sides of filter screen 4, so fan 5 rotates the air of inhaling, and the filtration through filter screen 4 gets into wind channel 2, then the air passes through nozzle 3 blowout, thereby reach radiating effect.
When the cabinet body 1 catches fire, the temperature rises sharply, the movable contact block 8 is in contact with the highest fixed contact block 10, the topmost fixed contact block 10, the movable contact block 8 and the telescopic rod 9 are electrically connected with the electromagnets 14, two electromagnets 14 are arranged in each controller 13, the magnetic poles of the two electromagnets 14 are opposite, one electromagnet 14 is fixedly connected with the controller 13, the other electromagnet 14 is movably connected with the controller 13, the movable electromagnet 14 is fixedly connected with the push rod 15, the controller 13 is fixedly connected in the mounting frame 12, the push rod 15 is movably connected with the first spring 16, the push rod 15 is movably connected with the first transmission deflector rod 17, the first transmission deflector rod 17 is internally provided with a first arc-shaped groove 18, the first arc-shaped groove 18 is movably connected with the first limiting pin 19, the first transmission deflector rod 17 is meshed with the second transmission deflector rod 20, the second arc-shaped groove 21 is arranged in the second transmission deflector rod 20, the inside of the second arc-shaped groove 21 is movably connected with the second limit pin 22, so when the electromagnets 14 are powered on, the two electromagnets 14 repel each other, the movable electromagnets 14 compress the first spring 16 and push the push rod 15, the push rod 15 pushes the first transmission deflector rod 17, the first transmission deflector rod 17 drives the second transmission deflector rod 20, wherein the first arc-shaped groove 18, the first limit pin 19, the second arc-shaped groove 21 and the second limit pin 22 have limit guide function, the second transmission deflector rod 20 is movably connected with the seal plate 23, the seal plate 23 is fixedly connected with the second spring 24, the two seal plates 23 are respectively connected with the openings of the two dry powder chambers 11 in a sliding manner, the width of the seal plate 23 is matched with the width of the opening of the dry powder chamber 11, the two dry powder chambers 11 are respectively arranged at two sides inside the cabinet body 1, the two dry powder chambers 11 are both provided with openings, and the periphery of the openings are provided with sealing gaskets, and the opening of the dry powder chamber 11 is fixedly connected with the air duct 2, so the second transmission deflector rod 20 drives the sealing plate 23 to compress the second spring 24 and slide upwards, thereby the dry powder chamber 11 is communicated with the air duct 2, and when the movable contact block 8 is contacted with the highest fixed contact block 10, the wind power reaches the maximum, thereby effectively ensuring that the fan 5 blows the air duct 2 and drives the dry powder in the dry powder chamber 11 to enter the air duct 2, and the dry powder is sprayed out through the air duct 2 and the nozzle 3, thereby the effect of automatic fire extinguishing is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an utilize automatic cooling firebreak device of electric power system of expend with heat and contract with cold principle, includes the cabinet body (1), its characterized in that: the improved cabinet is characterized in that an air duct (2) is formed in the cabinet body (1), a nozzle (3) is fixedly connected to the outside of the air duct (2), a filter screen (4) is movably connected to the inside of the cabinet body (1), a fan (5) is movably connected to the inside of the filter screen (4), a plunger cylinder (6) is fixedly connected to the inside of the cabinet body (1), a plunger block (7) is slidably connected to the inside of the plunger cylinder (6), a movable contact block (8) is fixedly connected to the outside of the plunger block (7), a telescopic rod (9) is fixedly connected to the outside of the movable contact block (8), a fixed contact block (10) is fixedly connected to the side wall of the plunger cylinder (6), a dry powder chamber (11) is fixedly connected to the inside of the cabinet body (1), a mounting frame (12) is fixedly connected to the inside of the dry powder chamber (11), and a controller (13) is fixedly, an electromagnet (14) is movably connected inside the controller (13), a push rod (15) is fixedly connected outside the electromagnet (14), a first spring (16) is sleeved and connected outside the push rod (15), a first transmission deflector rod (17) is movably connected outside the push rod (15), a first arc-shaped groove (18) is arranged inside the first transmission deflector rod (17), a first limit pin (19) is movably connected inside the first arc-shaped groove (18), the outside of the first transmission deflector rod (17) is engaged with a second transmission deflector rod (20), a second arc-shaped groove (21) is arranged inside the second transmission deflector rod (20), a second limit pin (22) is movably connected inside the second arc-shaped groove (21), a sealing plate (23) is movably connected to the outer portion of the second transmission shifting rod (20), and a second spring (24) is fixedly connected to the top of the sealing plate (23).
2. The automatic cooling and fire preventing device for the power system based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the air duct (2) is arranged on two sides of the interior of the cabinet body (1), and at least four nozzles (3) are arranged on the exterior of each side air duct (2).
3. The automatic cooling and fire preventing device for the power system based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the filter screen (4) is positioned at the center of the bottom of the cabinet body (1), and the two air channels (2) are respectively movably connected to two sides of the filter screen (4).
4. The automatic cooling and fire preventing device for the power system based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the movable contact blocks (8), the telescopic rods (9) and the fixed contact blocks (10) are made of conductive materials and are all electrically connected with the fan (5), the fixed contact blocks (10) are at least three, the distance between every two fixed contact blocks (10) is matched with the height of the movable contact blocks (8), and the topmost fixed contact blocks (10), the movable contact blocks (8) and the telescopic rods (9) are electrically connected with the electromagnet (14).
5. The automatic cooling and fire preventing device for the power system based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the dry powder chambers (11) are arranged in two, the two dry powder chambers (11) are respectively positioned on two sides of the interior of the cabinet body (1), the two dry powder chambers (11) are respectively provided with an opening, the periphery of the opening is provided with a sealing gasket, and the opening of the dry powder chamber (11) is fixedly connected with the air duct (2).
6. The automatic cooling and fire preventing device for the power system based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the controller (13) is located inside the mounting frame (12), two electromagnets (14) are arranged inside each controller (13), the magnetic poles of the two electromagnets (14) are opposite, one electromagnet (14) is fixedly connected with the controller (13), the other electromagnet (14) is movably connected with the controller (13), and the movable electromagnet (14) is fixedly connected with the push rod (15).
7. The automatic cooling and fire preventing device for the power system based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the first transmission deflector rod (17) and the second transmission deflector rod (20) are hinged with the mounting frame (12).
8. The automatic cooling and fire preventing device for the power system based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the first limiting pin (19) and the second limiting pin (22) are fixedly connected with the mounting frame (12).
9. The automatic cooling and fire preventing device for the power system based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the two sealing plates (23) are arranged, the two sealing plates (23) are respectively in sliding connection with the openings of the two dry powder chambers (11), and the width of each sealing plate (23) is matched with the width of each opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274607.4A CN111404054A (en) | 2020-04-09 | 2020-04-09 | Automatic cooling and fire-proof device of electric power system based on principle of expansion with heat and contraction with cold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274607.4A CN111404054A (en) | 2020-04-09 | 2020-04-09 | Automatic cooling and fire-proof device of electric power system based on principle of expansion with heat and contraction with cold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111404054A true CN111404054A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010274607.4A Withdrawn CN111404054A (en) | 2020-04-09 | 2020-04-09 | Automatic cooling and fire-proof device of electric power system based on principle of expansion with heat and contraction with cold |
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| CN (1) | CN111404054A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112892164A (en) * | 2021-01-14 | 2021-06-04 | 浙江涵宸气动液压设备有限公司 | Intelligent manufacturing dryer capable of preventing overhigh temperature based on thermal expansion principle |
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| CN203971234U (en) * | 2014-08-06 | 2014-12-03 | 胡永富 | A kind of automobile-used fire control unit |
| CN105870809A (en) * | 2016-05-09 | 2016-08-17 | 江苏建中能源科技有限公司 | Fire-proof precision power distribution cabinet for large electrical equipment |
| CN107479649A (en) * | 2017-08-02 | 2017-12-15 | 合肥红铭网络科技有限公司 | A kind of main frame cooling cabinet |
| CN109004556A (en) * | 2018-08-02 | 2018-12-14 | 王卓瑜 | It is a kind of with automatic temperature-controlled outdoor power distribution cabinet |
| CN109837950A (en) * | 2019-03-19 | 2019-06-04 | 雷兆静 | A kind of fire hydrant with tube body public good fire-fighting exploitation |
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| CN112892164A (en) * | 2021-01-14 | 2021-06-04 | 浙江涵宸气动液压设备有限公司 | Intelligent manufacturing dryer capable of preventing overhigh temperature based on thermal expansion principle |
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