CN112134151A - Spontaneous combustion preventing power distribution cabinet - Google Patents
Spontaneous combustion preventing power distribution cabinet Download PDFInfo
- Publication number
- CN112134151A CN112134151A CN202010956809.7A CN202010956809A CN112134151A CN 112134151 A CN112134151 A CN 112134151A CN 202010956809 A CN202010956809 A CN 202010956809A CN 112134151 A CN112134151 A CN 112134151A
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- Prior art keywords
- fixedly connected
- cabinet body
- wall
- plate
- power distribution
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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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- 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
- A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
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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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- 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
- H02B1/306—Accessories, e.g. windows
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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
- H02B1/32—Mounting of devices therein
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a spontaneous combustion preventing power distribution cabinet in the technical field of power distribution cabinets, which comprises a cabinet body, wherein a plurality of radiating holes are symmetrically formed in the left side and the right side of the cabinet body in an array distribution mode, sealing plates are symmetrically arranged on the inner walls of the left side and the right side of the cabinet body in a sliding connection mode, symmetrically arranged glass bodies are fixedly connected to the left side and the right side of the cabinet body, the glass bodies penetrate through the sealing plates and limit the sealing plates, the top of each sealing plate is fixedly connected with a first gas spring, the top end of each first gas spring is fixedly connected with the inner wall of the cabinet body; through the setting of above structure, can make the dry powder can spill all positions all around of switch board when the switch board conflagration breaks out, can make simultaneously spill can not the position that can catch fire to the switch board dry powder of the position of catching fire all around promote the position that can catch fire in the middle of the switch board, great improvement the utilization ratio of dry powder, can play better effect of putting out a fire, can avoid the conflagration to personnel's harm on every side.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a spontaneous combustion preventing power distribution cabinet.
Background
The switch board is the general name of motor control center, and the switch board is one of the indispensable device of power consumption, and the switch board uses in the occasion that the load is more dispersed, the return circuit is less, but all is equipped with the group in the switch board, all can have the risk of short circuit after using for a long time.
The invention discloses a power distribution cabinet in the technical field of partial spontaneous combustion prevention, and discloses a device for repairing short circuit spontaneous combustion of a wire group in a power distribution cabinet, which comprises a casing, wherein a fire extinguishing cavity with a downward opening is arranged at the lower end in the casing, driven cavities are arranged on the left side and the right side of the fire extinguishing cavity, a driving cavity is arranged on the upper side of the fire extinguishing cavity, a transmission mechanism for providing power for the device is arranged in the driving cavity, an air suction mechanism for inducing fire and assisting fire extinguishing is arranged on the upper side of the fire extinguishing cavity, and a fire extinguishing mechanism for extinguishing the fired wire group is arranged in the driven cavity; when the invention is used for spraying dry powder to extinguish a fire, the position for spraying the dry powder is fixed, the spraying range is smaller, dead angles which cannot be sprayed by the dry powder can exist when a fire disaster happens, the fire extinguishing effect cannot be realized, the fire disaster can be continued, and the harm to surrounding personnel can be caused.
Based on the above, the invention designs the spontaneous combustion preventing power distribution cabinet to solve the problems.
Disclosure of Invention
The invention aims to provide a self-ignition prevention power distribution cabinet, which aims to solve the problems that in the prior art, when dry powder is sprayed to extinguish a fire, the position for spraying the dry powder is fixed, the spraying range is small, dead angles which cannot be sprayed by the dry powder exist when a fire disaster occurs, the fire disaster can not be extinguished, the fire disaster can be continued, and surrounding personnel can be damaged.
In order to achieve the purpose, the invention provides the following technical scheme: a spontaneous combustion preventing power distribution cabinet comprises a cabinet body, wherein a plurality of heat dissipation holes are symmetrically formed in the left side and the right side of the cabinet body in an array distribution mode, sealing plates which are symmetrically arranged are connected to the inner walls of the left side and the right side of the cabinet body in a sliding mode, symmetrically arranged glass bodies are fixedly connected to the left side and the right side of the cabinet body, the glass bodies penetrate through the sealing plates and limit the sealing plates, a first air spring is fixedly connected to the top of each sealing plate, the top end of the first air spring is fixedly connected with the inner wall of the cabinet body, and;
the fire extinguishing mechanism comprises a loading box fixedly connected with the inner wall of the rear part of the cabinet body, dry powder is filled in the loading box, the bottom of the loading box is fixedly connected with three first discharging pipes distributed in an array manner, the top surface of the bottom of each first discharging pipe is fixedly connected with a second gas spring, the telescopic end of each second gas spring is fixedly connected with a first pressing plate, the first pressing plate is connected with the inner wall of each first discharging pipe in a sliding manner, the outer wall of each first discharging pipe is fixedly connected with four second discharging pipes distributed in a circumferential array manner, the four second discharging pipes are all positioned below the first pressing plate, the inner wall of the loading box is connected with a second pressing plate in a sliding manner, the top of each second pressing plate is fixedly connected with a connecting rod, the top of each sealing plate is fixedly connected with a connecting frame, the two connecting frames are respectively and fixedly connected with the left and right side walls of the connecting, a first push plate is fixedly connected to one end, close to the center of the cabinet, of the upper telescopic connecting rod, a second push plate is fixedly connected to one end, close to the center of the cabinet, of the lower telescopic connecting rod, return springs are sleeved on the outer walls of the two telescopic connecting rods, one ends, far away from the center of the cabinet, of the two return springs are fixedly connected to the inner wall of the cabinet, one ends, close to the center of the cabinet, of the two return springs are respectively and fixedly connected to the first push plate and the second push plate, first limiting rods are fixedly connected to the left side wall of the connecting frame on the right side and the right side wall of the connecting frame on the left side, the first limiting rods are inserted into the first push plate and are in sliding connection with the first push plate, a first slide seat and a second slide seat are fixedly connected to the left and right side walls of the cabinet, the first slide seat is positioned in front of the second slide seat, the first sliding block and the second sliding block are jointly and rotatably connected with a rotating connecting rod, a fixed rod is fixedly connected to the outer wall of the first sliding block, one end, close to the center of the cabinet body, of the fixed rod is fixedly connected with the first push plate, a limiting groove penetrating through the upper surface and the lower surface is formed in the front portion of the second push plate, a second limiting rod is fixedly connected to the bottom surface of the second sliding block, and the second limiting rod is located in the limiting groove and is in sliding connection with the limiting groove;
when the power distribution cabinet is in fire, the temperature in the power distribution cabinet rises rapidly, the glass body and the high-temperature expansion burst, the limit sealing plate losing the glass body slides downwards under the action of the elastic force of the first gas spring, the sealing plate drives the connecting frame and the connecting rod to move downwards together, the connecting rod drives the second pressing plate to move downwards together, the second pressing plate compresses air in the loading box in the downward movement process, so that the pressure is increased, the air pressure can press the first pressing plate to move downwards, and when the first pressing plate moves to the position below the second discharging pipe, the dry powder in the loading box can be sprayed out from the plurality of second discharge pipes, the dry powder can be sprayed to the periphery in the power distribution cabinet, the first limiting rod can be driven to synchronously move downwards in the downward movement process of the connecting frame, when the first limiting rod is separated from the first push plate, the first push plate moves towards the center of the power distribution cabinet under the elastic force action of the reset spring, the dry powder scattered from the second discharge pipes can be pushed towards the middle in the movement process of the first push plate, the first sliding block can be driven to slide towards the center of the power distribution cabinet on the first sliding seat in the movement process of the first push plate, the first sliding block can drive the rotating connecting rod to move together, the rotating connecting rod can drive the second sliding block to slide forwards on the second sliding seat, the second sliding block can drive the second limiting rod to synchronously move, when the first push plate moves to the farthest position, the second limiting rod is separated from the limiting groove, the second push plate moves towards the center of the power distribution cabinet under the action of the reset spring, the in-process of second push pedal motion also can be once more with promoting to the centre from unrestrained dry powder in the second discharge tube, the switch board can make the louvre airtight can isolated air through setting up of closing plate when the conflagration breaing out, the setting up of a plurality of second discharge gates can make all positions all around that the dry powder can spill the switch board when the conflagration breaing out simultaneously, and the setting up of first push pedal and second push pedal can make spill can not the position that can catch fire in the middle of pushing away the switch board to the dry powder of position all around to the switch board, great improvement the utilization ratio of dry powder, can play better effect of putting out a fire, can avoid the conflagration to personnel's harm on every side.
As a further scheme of the invention, the bottoms of the front side wall and the rear side wall of the second push plate are fixedly connected with rotating rods, the outer walls of the two rotating rods are jointly and rotatably connected with a third push plate, the outer wall of each rotating rod is sleeved with a torsion spring, one end of each torsion spring is fixedly connected with the second push plate, the other end of each torsion spring is fixedly connected with the third push plate, the inner walls of the left side and the right side of the cabinet body are respectively and fixedly connected with a limiting plate, each limiting plate comprises a triangular limiting block arranged at the end part of each limiting plate, and each triangular limiting block is positioned in the direction of; the during operation, the dry powder of landing can directly landing to the switch board bottom from the second limiting plate, and foretell spontaneous combustion-preventing switch board, put when moving to switch board central point at the second push pedal, can drive the third push pedal and move together, and third push pedal bottom is spacing to make the third push pedal rotate the torsional spring simultaneously on the bull stick by the triangle-shaped stopper, when the second push pedal drives the third push pedal and moves a certain position, the third push pedal can break away from the triangle-shaped stopper, then the third push pedal can rotate on the bull stick and simultaneously with the dry powder bullet of landing down in the third push pedal to the switch board intermediate position under the effect of torsional spring, can improve the utilization ratio of dry powder, can play better effect of putting out a fire, can avoid the conflagration to personnel's harm on every side.
As a further scheme of the invention, the top surface of the second pressure plate is fixedly connected with a plurality of pressure springs distributed in an array manner, the tops of the pressure springs are jointly and fixedly connected with a cover plate, and the cover plate is fixedly connected with a loading box; the during operation, after the vitreous body is broken, pressure spring's elasticity can give the second clamp plate a bigger downward force, can make the second clamp plate downstream quicker, probably load the pressure increase in the case more rapidly, can make the dry powder spray farther when spouting in the second discharging tube, can make the scope that the dry powder can cover bigger, can make the dry powder play better effect of putting out a fire.
As a further scheme of the invention, baffles are fixedly connected to the outer walls of the heat dissipation holes, and are obliquely arranged with inclined surfaces facing outwards; the during operation, through the setting of baffle, can make the better discharge of steam in the switch board during normal use, the baffle sets up the effect that can prevent rainwater etc. from dripping to the switch board in from the switch board top down to one side simultaneously, can prevent that the switch board from being on fire because of intaking.
As a further scheme of the invention, a sealing door is hinged on the front wall of the cabinet body; the during operation can be through the better isolated air of setting up of sealing door when getting on fire, does not have oxygen intensity of a fire and can slowly diminish, plays the effect of putting out a fire.
As a further scheme of the invention, the inner wall of the sealing door is fixedly connected with a fireproof expansion strip, and the fireproof expansion strip covers the periphery of the whole sealing door; during operation, the fire prevention inflation strip meets high temperature can expand rapidly and then with sealing door secondary seal, makes in the outer air of switch board can not get into the switch board completely, plays the completely isolated effect to oxygen, does not have the intensity of a fire in the oxygen switch board and can the subassembly diminish, plays the effect of putting out a fire.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the fire extinguishing mechanism, when the power distribution cabinet is in a fire, dry powder can be scattered to all positions around the power distribution cabinet, and meanwhile, the dry powder scattered to the positions, where no fire is generated, around the power distribution cabinet can be pushed to the positions, where fire is generated, in the middle of the power distribution cabinet, so that the utilization rate of the dry powder is greatly improved, a better fire extinguishing effect can be achieved, and the harm of the fire to surrounding personnel can be avoided.
2. According to the invention, through the arrangement of the third push plate, the torsion spring and the limiting plate, the utilization rate of the dry powder can be improved, a better fire extinguishing effect can be achieved, and the harm of fire to surrounding personnel can be avoided.
3. According to the invention, through the arrangement of the pressure spring and the cover plate, the dry powder can be sprayed farther when being sprayed out from the second discharge pipe, the coverage range of the dry powder can be larger, and the dry powder can play a better fire extinguishing role.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the general structure of the present invention (hidden sealing door and fire-proof expansion strip);
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is an enlarged view of the point B in FIG. 2;
FIG. 4 is a cross-sectional view of a summary structure of the invention;
FIG. 5 is an enlarged view of the point C in FIG. 4;
FIG. 6 is a sectional view of a portion of the present invention;
FIG. 7 is a schematic view of a portion of the structure of the present invention.
In the drawings, the reference numerals designate the following parts:
the cabinet body 1, the heat dissipation hole 2, the sealing plate 3, the vitreous body 4, the first gas spring 5, the loading box 6, the dry powder 7, the first discharging pipe 8, the second gas spring 9, the first pressing plate 10, the second discharging pipe 11, the second pressing plate 12, the connecting rod 13, the first push plate 14, the second push plate 15, the reset spring 16, the first limiting rod 17, the first slide seat 18, the second slide seat 19, the first slide block 20, the second slide block 21, the rotating connecting rod 22, the fixing rod 23, the limiting groove 24, the second limiting rod 25, the rotating rod 26, the third push plate 27, the torsion spring 28, the limiting plate 29, the triangular limiting block 30, the pressure spring 31, the cover plate 32, the baffle 33, the sealing door 34, the fireproof expansion strip 35, the connecting frame 36 and the telescopic connecting rod 37.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments of the present invention, other embodiments obtained by persons of ordinary skill in the art without any creative effort are within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a spontaneous combustion preventing power distribution cabinet comprises a cabinet body 1, wherein a plurality of heat dissipation holes 2 distributed in an array mode are symmetrically formed in the left side and the right side of the cabinet body 1, sealing plates 3 symmetrically arranged are connected to the inner walls of the left side and the right side of the cabinet body 1 in a sliding mode, symmetrically arranged glass bodies 4 are fixedly connected to the left side and the right side of the cabinet body 1, the glass bodies 4 penetrate through the sealing plates 3 and limit the sealing plates 3, a first air spring 5 is fixedly connected to the top of each sealing plate 3, the top end of each first air spring 5 is fixedly connected with the inner wall of the cabinet;
the fire extinguishing mechanism comprises a loading box 6 fixedly connected with the inner wall of the rear part of a cabinet body 1, dry powder 7 is filled in the loading box 6, three first discharging pipes 8 distributed in an array are fixedly connected with the bottom of the loading box 6, a second gas spring 9 is fixedly connected with the top surface of the bottom of the first discharging pipe 8, a first pressing plate 10 is fixedly connected with the telescopic end of the second gas spring 9, the first pressing plate 10 is connected with the inner wall of the first discharging pipe 8 in a sliding way, four second discharging pipes 11 distributed in a circumferential array are fixedly connected with the outer wall of the first discharging pipe 8, the four second discharging pipes 11 are all positioned below the first pressing plate 10, a second pressing plate 12 is connected with the inner wall of the loading box 6 in a sliding way, a connecting rod 13 is fixedly connected with the top of the second pressing plate 12, a connecting frame 36 is fixedly connected with the top of a sealing plate 3, the two connecting frames 36 are respectively fixedly connected with the, a first push plate 14 is fixedly connected to one end of an upper telescopic connecting rod 37 close to the center of the cabinet body 1, a second push plate 15 is fixedly connected to one end of a lower telescopic connecting rod 37 close to the center of the cabinet body 1, return springs 16 are sleeved on the outer walls of the two telescopic connecting rods 37, one ends of the two return springs 16 far away from the center of the cabinet body 1 are fixedly connected to the inner wall of the cabinet body 1, one ends of the two return springs 16 close to the center of the cabinet body 1 are fixedly connected to the first push plate 14 and the second push plate 15 respectively, a first limiting rod 17 is fixedly connected to the left side wall of a connecting frame 36 on the right side and the right side wall of the connecting frame 36 on the left side, the first limiting rod 17 is inserted into the first push plate 14 and is slidably connected to the first push plate 14, a first slide seat 18 and a second slide seat 19 are fixedly connected to the left side wall and the right side wall of the cabinet body 1, the first slide seat 18 is located in front, the first sliding block 20 and the second sliding block 21 are connected with a rotating connecting rod 22 in a rotating mode, a fixing rod 23 is fixedly connected to the outer wall of the first sliding block 20, one end, close to the center of the cabinet body 1, of the fixing rod 23 is fixedly connected with the first push plate 14, a limiting groove 24 penetrating through the upper surface and the lower surface is formed in the front portion of the second push plate 15, a second limiting rod 25 is fixedly connected to the bottom surface of the second sliding block 21, and the second limiting rod 25 is located in the limiting groove 24 and is connected with the limiting groove 24 in a sliding;
when the power distribution cabinet is in fire extinguishing, in the prior art, when dry powder 7 is sprayed to extinguish fire, the position where the dry powder 7 is sprayed is fixed, the spraying range is small, a dead angle where the dry powder 7 cannot be sprayed exists when a fire breaks out, the fire extinguishing effect cannot be achieved, the fire can be continued, and harm can be caused to surrounding personnel, and the power distribution cabinet for preventing spontaneous combustion is characterized in that when a fire breaks out in the power distribution cabinet, the temperature in the power distribution cabinet rapidly rises, the glass body 4 and the high-temperature expansion burst crack, the limiting sealing plate 3 losing the glass body 4 slides downwards under the elastic action of the first air spring 5, the sealing plate 3 can drive the connecting frame 36 and the connecting rod 13 to move downwards together, the connecting rod 13 can drive the second pressing plate 12 to move downwards together, the air in the loading box 6 can be compressed during the downward movement of the second pressing plate 12, so that the pressure is increased, and the air pressure can press the first pressing, when the first pressing plate 10 moves to the lower part of the second discharging pipes 11, the dry powder 7 in the loading box 6 can be sprayed out from the plurality of second discharging pipes 11, the dry powder 7 can be sprayed to the periphery in the power distribution cabinet, the first limiting rod 17 can be driven to synchronously move downwards in the downward movement process of the connecting frame 36, when the first limiting rod 17 is separated from the first pushing plate 14, the first pushing plate 14 moves towards the center of the power distribution cabinet under the elastic force of the return spring 16, the dry powder 7 scattered from the second discharging pipes 11 can be pushed towards the middle in the movement process of the first pushing plate 14, the first sliding block 20 can be driven to slide towards the center of the power distribution cabinet on the first sliding base 18 in the movement process of the first pushing plate 14, the first sliding block 20 can drive the rotating connecting rod 22 to move together, the rotating connecting rod 22 can drive the second sliding block 21 to slide forwards on the second sliding base 19, and the second sliding block 21 can drive the second limiting rod 25 to synchronously move, when first push pedal 14 moves to the farthest position, second gag lever post 25 breaks away from spacing groove 24, second push pedal 15 moves to the central point of switch board under reset spring 16's effect, the in-process of second push pedal 15 motion also can be once more with pushing from unrestrained dry powder 7 in the second discharging pipe 11 to the centre, the switch board can make louvre 2 airtight can isolated air through sealing plate 3's setting when the conflagration breaing out, the setting of a plurality of second discharge gates can make dry powder 7 can spill the switch board when the conflagration breaing out have the position all around, and the setting of first push pedal 14 and second push pedal 15 can make spill the dry powder 7 that can not fire the position all around to the switch board and promote the position that can fire in the middle of the switch board, great improvement the utilization ratio of dry powder 7, can play better effect of putting out a fire, can avoid the harm of conflagration to personnel on every side.
As a further scheme of the invention, the bottoms of the front and rear side walls of the second push plate 15 are fixedly connected with rotating rods 26, the outer walls of the two rotating rods 26 are jointly and rotatably connected with a third push plate 27, the outer wall of the rotating rod 26 is sleeved with a torsion spring 28, one end of the torsion spring 28 is fixedly connected with the second push plate 15, the other end of the torsion spring 28 is fixedly connected with the third push plate 27, the inner walls of the left and right sides of the cabinet body 1 are fixedly connected with limit plates 29, each limit plate 29 comprises a triangular limit block 30 arranged at the end of the limit plate 29, and the triangular limit blocks 30 are positioned in the direction of the third push plate; in operation, from the switch board bottom that can directly landing of dry powder 7 that second limiting plate 29 went up, and the switch board of preventing spontaneous combustion, when second push pedal 15 moved to switch board central point, can drive third push pedal 27 and move together, and third push pedal 27 bottom is spacing to make third push pedal 27 rotate simultaneously torsion torsional spring 28 on bull stick 26 by triangle-shaped stopper 30, when second push pedal 15 drove third push pedal 27 and moved a certain position, third push pedal 27 can break away from triangle-shaped stopper 30, then under the effect of torsional spring 28 third push pedal 27 can rotate simultaneously with dry powder 7 that third push pedal 27 went up and down to the switch board intermediate position on the bull stick 26, can improve dry powder 7's utilization ratio, can play better effect of putting out a fire, can avoid the conflagration to personnel's harm on every side.
As a further scheme of the present invention, the top surface of the second pressing plate 12 is fixedly connected with a plurality of pressure springs 31 distributed in an array, the tops of the plurality of pressure springs 31 are jointly and fixedly connected with a cover plate 32, and the cover plate 32 is fixedly connected with the loading box 6; during operation, after the vitreous body 4 is broken, the elasticity of pressure spring 31 can give second clamp plate 12 a bigger power downwards, can make second clamp plate 12 downstream more rapidly, probably load the pressure increase in the case 6 more rapidly, can make the dry powder 7 spout in the second discharging pipe 11 when spraying farther, can make the scope that dry powder 7 can cover bigger, can make dry powder 7 play better fire extinguishing effect.
As a further scheme of the invention, the outer wall of the heat dissipation hole 2 is fixedly connected with a baffle 33, and the baffle 33 is obliquely arranged with an outward inclined surface; during operation, through the setting of baffle 33, can make the better discharge of steam in the switch board during normal use, baffle 33 slant sets up the effect that can prevent rainwater etc. from dripping to the switch board in from the switch board top simultaneously, can prevent that the switch board from being on fire because of intaking.
As a further proposal of the invention, a sealing door 34 is hinged on the front wall of the cabinet body 1; the better isolated air of during operation through the setting of sealing door 34 can be on fire, does not have oxygen fire behavior and can slowly diminish, plays the effect of putting out a fire.
As a further scheme of the invention, the inner wall of the sealing door 34 is fixedly connected with a fireproof expansion strip 35, and the fireproof expansion strip 35 covers the whole periphery of the sealing door 34; during operation, fire prevention expansion strip 35 meets high temperature and can expand rapidly then with 34 secondary seal of sealing door, makes in the outer air of switch board can not get into the switch board completely, plays the completely isolated effect to oxygen, does not have the intensity of a fire in the oxygen switch board and can the subassembly diminish, plays the effect of putting out a fire.
The working principle is as follows: when the power distribution cabinet is in fire extinguishing, in the prior art, when dry powder 7 is sprayed to extinguish fire, the position where the dry powder 7 is sprayed is fixed, the spraying range is small, a dead angle where the dry powder 7 cannot be sprayed exists when a fire breaks out, the fire extinguishing effect cannot be achieved, the fire can be continued, and harm can be caused to surrounding personnel, and the power distribution cabinet for preventing spontaneous combustion is characterized in that when a fire breaks out in the power distribution cabinet, the temperature in the power distribution cabinet rapidly rises, the glass body 4 and the high-temperature expansion burst crack, the limiting sealing plate 3 losing the glass body 4 slides downwards under the elastic action of the first air spring 5, the sealing plate 3 can drive the connecting frame 36 and the connecting rod 13 to move downwards together, the connecting rod 13 can drive the second pressing plate 12 to move downwards together, the air in the loading box 6 can be compressed during the downward movement of the second pressing plate 12, so that the pressure is increased, and the air pressure can press the first pressing, when the first pressing plate 10 moves to the lower part of the second discharging pipes 11, the dry powder 7 in the loading box 6 can be sprayed out from the plurality of second discharging pipes 11, the dry powder 7 can be sprayed to the periphery in the power distribution cabinet, the first limiting rod 17 can be driven to synchronously move downwards in the downward movement process of the connecting frame 36, when the first limiting rod 17 is separated from the first pushing plate 14, the first pushing plate 14 moves towards the center of the power distribution cabinet under the elastic force of the return spring 16, the dry powder 7 scattered from the second discharging pipes 11 can be pushed towards the middle in the movement process of the first pushing plate 14, the first sliding block 20 can be driven to slide towards the center of the power distribution cabinet on the first sliding base 18 in the movement process of the first pushing plate 14, the first sliding block 20 can drive the rotating connecting rod 22 to move together, the rotating connecting rod 22 can drive the second sliding block 21 to slide forwards on the second sliding base 19, and the second sliding block 21 can drive the second limiting rod 25 to synchronously move, when first push pedal 14 moves to the farthest position, second gag lever post 25 breaks away from spacing groove 24, second push pedal 15 moves to the central point of switch board under reset spring 16's effect, the in-process of second push pedal 15 motion also can be once more with pushing from unrestrained dry powder 7 in the second discharging pipe 11 to the centre, the switch board can make louvre 2 airtight can isolated air through sealing plate 3's setting when the conflagration breaing out, the setting of a plurality of second discharge gates can make dry powder 7 can spill the switch board when the conflagration breaing out have the position all around, and the setting of first push pedal 14 and second push pedal 15 can make spill the dry powder 7 that can not fire the position all around to the switch board and promote the position that can fire in the middle of the switch board, great improvement the utilization ratio of dry powder 7, can play better effect of putting out a fire, can avoid the harm of conflagration to personnel on every side.
In the description herein, references to the terms "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic table of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended merely to assist in the explanation of the invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a prevent switch board of spontaneous combustion, includes the cabinet body (1), a plurality of louvres (2) that the array distributes are seted up to cabinet body (1) left and right sides symmetry, equal sliding connection has closing plate (3) that the symmetry set up on the inner wall of the cabinet body (1) left and right sides, the glass body (4) that the equal fixedly connected with symmetry of the cabinet body (1) left and right sides set up, glass body (4) pass closing plate (3) and carry out spacingly closing plate (3), closing plate (3) top fixedly connected with first gas spring (5), first gas spring (5) top and cabinet body (1) inner wall fixed connection, its characterized in that: a fire extinguishing mechanism is arranged inside the cabinet body (1);
the fire extinguishing mechanism comprises a loading box (6) fixedly connected to the inner wall of the rear portion of a cabinet body (1), dry powder (7) is filled in the loading box (6), three first discharging pipes (8) distributed in an array are fixedly connected to the bottom of the loading box (6), a second gas spring (9) is fixedly connected to the top surface of the bottom of the first discharging pipes (8), a first pressing plate (10) is fixedly connected to the telescopic end of the second gas spring (9), the first pressing plate (10) is connected with the inner wall of the first discharging pipes (8) in a sliding manner, four second discharging pipes (11) distributed in a circumferential array are fixedly connected to the outer wall of the first discharging pipes (8), the four second discharging pipes (11) are located below the first pressing plate (10), a second pressing plate (12) is connected to the inner wall of the loading box (6) in a sliding manner, and a connecting rod (13) is fixedly connected to the top of the second, the top of the sealing plate (3) is fixedly connected with a connecting frame (36), the two connecting frames (36) are respectively and fixedly connected with the left side wall and the right side wall of the connecting rod (13), the inner walls of the left side and the right side of the cabinet body (1) are respectively and fixedly connected with two telescopic connecting rods (37) which are distributed up and down, one end, close to the center of the cabinet body (1), of each telescopic connecting rod (37) which is positioned above is fixedly connected with a first push plate (14), one end, close to the center of the cabinet body (1), of each telescopic connecting rod (37) which is positioned below is fixedly connected with a second push plate (15), the outer walls of the two telescopic connecting rods (37) are respectively sleeved with a reset spring (16), one ends, far away from the center of the cabinet body (1), of the two reset springs (16) are respectively and fixedly connected with the first push plate (14) and the second push plate (, the cabinet is characterized in that a first limiting rod (17) is fixedly connected to the left side wall of the connecting frame (36) on the right side and the right side wall of the connecting frame (36) on the left side, the first limiting rod (17) is inserted into the first push plate (14) and is in sliding connection with the first push plate (14), a first sliding seat (18) and a second sliding seat (19) are fixedly connected to the left side wall and the right side wall of the cabinet body (1), the first sliding seat (18) is located in front of the second sliding seat (19), a first sliding block (20) and a second sliding block (21) are respectively in sliding connection with the inner walls of the first sliding seat (18) and the second sliding seat (19), the tops of the first sliding block (20) and the second sliding block (21) are jointly and rotatably connected with a rotating connecting rod (22), a fixing rod (23) is fixedly connected to the outer wall of the first sliding block (20), and the fixing rod (23) is close to the center end of the cabinet body (1), the front part of the second push plate (15) is provided with a limiting groove (24) penetrating through the upper surface and the lower surface, the bottom surface of the second sliding block (21) is fixedly connected with a second limiting rod (25), and the second limiting rod (25) is positioned in the limiting groove (24) and is in sliding connection with the limiting groove (24).
2. The spontaneous combustion prevention power distribution cabinet according to claim 1, characterized in that: equal fixedly connected with bull stick (26) in both sides wall bottom around second push pedal (15), two rotate jointly on bull stick (26) outer wall and be connected with third push pedal (27), the cover is equipped with torsional spring (28) on bull stick (26) outer wall, torsional spring (28) one end and second push pedal (15) fixed connection, torsional spring (28) other end and third push pedal (27) fixed connection, equal fixedly connected with limiting plate (29) on the cabinet body (1) left and right sides inner wall, limiting plate (29) are including setting up triangle-shaped stopper (30) at limiting plate (29) tip, triangle-shaped stopper (30) are located third push pedal (27) and are close to the direction at cabinet body (1) inside center.
3. The spontaneous combustion prevention power distribution cabinet according to claim 1, characterized in that: the top surface of the second pressing plate (12) is fixedly connected with a plurality of pressure springs (31) distributed in an array mode, the tops of the pressure springs (31) are fixedly connected with a cover plate (32) together, and the cover plate (32) is fixedly connected with the loading box (6).
4. The spontaneous combustion prevention power distribution cabinet according to claim 1, characterized in that: fixedly connected with baffle (33) on louvre (2) outer wall, baffle (33) are arranged and the inclined plane is outside for the slant.
5. The spontaneous combustion prevention power distribution cabinet according to claim 1, characterized in that: the front wall of the cabinet body (1) is hinged with a sealing door (34).
6. The spontaneous combustion prevention power distribution cabinet according to claim 1, characterized in that: fixedly connected with fire prevention inflation strip (35) on sealing door (34) inner wall, fire prevention inflation strip (35) cover whole sealing door (34) all around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010956809.7A CN112134151A (en) | 2020-09-12 | 2020-09-12 | Spontaneous combustion preventing power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010956809.7A CN112134151A (en) | 2020-09-12 | 2020-09-12 | Spontaneous combustion preventing power distribution cabinet |
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| Publication Number | Publication Date |
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| CN112134151A true CN112134151A (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010956809.7A Withdrawn CN112134151A (en) | 2020-09-12 | 2020-09-12 | Spontaneous combustion preventing power distribution cabinet |
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| CN (1) | CN112134151A (en) |
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| CN112702864A (en) * | 2020-12-29 | 2021-04-23 | 王周文磊 | Self-sealing heat dissipation hole type fireproof electrical cabinet capable of reducing internal oxygen content |
| CN113839355A (en) * | 2021-09-10 | 2021-12-24 | 华能嘉祥发电有限公司 | Cable assembly for electrical system |
| CN113990635A (en) * | 2021-11-24 | 2022-01-28 | 江西明正变电设备有限公司 | Low-noise dry-type transformer |
| CN114259668A (en) * | 2021-11-25 | 2022-04-01 | 国家电网有限公司 | Automatic fire extinguishing device for box-type substation |
| CN114588571A (en) * | 2022-02-24 | 2022-06-07 | 李有期 | Electric power cabinet emergency protection device with fire prevention and flame retardation functions |
| CN115313182A (en) * | 2022-09-01 | 2022-11-08 | 南京千万户电子科技有限责任公司 | Safe type fire prevention switch board |
| CN115671627A (en) * | 2022-11-10 | 2023-02-03 | 国网山东省电力公司莱阳市供电公司 | Urban electric power safety risk management and control equipment |
| CN115738147A (en) * | 2022-11-16 | 2023-03-07 | 河南鹊燕桩建筑工程有限公司 | Multi-functional electric power construction fire protection device |
| CN116014571A (en) * | 2022-12-05 | 2023-04-25 | 邯郸市搜动电子科技有限公司 | Explosion-proof switch board |
| CN116780358A (en) * | 2023-05-23 | 2023-09-19 | 江苏日安电气有限公司 | Automatic outage fire-extinguishing power cabinet |
| CN117832666A (en) * | 2023-12-29 | 2024-04-05 | 广东康德威电气股份有限公司 | New energy power generation and energy storage device based on heat dissipation mechanism |
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| CN112702864B (en) * | 2020-12-29 | 2022-01-18 | 山东瑞科成套电气有限公司 | Self-sealing heat dissipation hole type fireproof electrical cabinet capable of reducing internal oxygen content |
| CN112702864A (en) * | 2020-12-29 | 2021-04-23 | 王周文磊 | Self-sealing heat dissipation hole type fireproof electrical cabinet capable of reducing internal oxygen content |
| CN113839355B (en) * | 2021-09-10 | 2023-03-10 | 华能嘉祥发电有限公司 | Cable assembly for electrical system |
| CN113839355A (en) * | 2021-09-10 | 2021-12-24 | 华能嘉祥发电有限公司 | Cable assembly for electrical system |
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| CN113990635B (en) * | 2021-11-24 | 2024-07-09 | 江西明正变电设备有限公司 | Low noise dry type transformer |
| CN114259668A (en) * | 2021-11-25 | 2022-04-01 | 国家电网有限公司 | Automatic fire extinguishing device for box-type substation |
| CN114588571A (en) * | 2022-02-24 | 2022-06-07 | 李有期 | Electric power cabinet emergency protection device with fire prevention and flame retardation functions |
| CN114588571B (en) * | 2022-02-24 | 2022-10-11 | 芜湖金牛电气股份有限公司 | Electric power cabinet emergency protection device with fire prevention and flame retardation functions |
| CN115313182A (en) * | 2022-09-01 | 2022-11-08 | 南京千万户电子科技有限责任公司 | Safe type fire prevention switch board |
| CN115671627A (en) * | 2022-11-10 | 2023-02-03 | 国网山东省电力公司莱阳市供电公司 | Urban electric power safety risk management and control equipment |
| CN115671627B (en) * | 2022-11-10 | 2023-09-22 | 国网山东省电力公司莱阳市供电公司 | Urban electric power safety risk management and control equipment |
| CN115738147A (en) * | 2022-11-16 | 2023-03-07 | 河南鹊燕桩建筑工程有限公司 | Multi-functional electric power construction fire protection device |
| CN116014571A (en) * | 2022-12-05 | 2023-04-25 | 邯郸市搜动电子科技有限公司 | Explosion-proof switch board |
| CN116014571B (en) * | 2022-12-05 | 2023-07-07 | 国网江苏省电力有限公司宿迁供电分公司 | Explosion-proof switch board |
| CN116780358A (en) * | 2023-05-23 | 2023-09-19 | 江苏日安电气有限公司 | Automatic outage fire-extinguishing power cabinet |
| CN116780358B (en) * | 2023-05-23 | 2023-11-28 | 江苏日安电气有限公司 | Automatic outage fire-extinguishing power cabinet |
| CN117832666A (en) * | 2023-12-29 | 2024-04-05 | 广东康德威电气股份有限公司 | New energy power generation and energy storage device based on heat dissipation mechanism |
| CN117832666B (en) * | 2023-12-29 | 2024-07-23 | 广东康德威电气股份有限公司 | New energy power generation and energy storage device based on heat dissipation mechanism |
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Application publication date: 20201225 |