CN114865466A - Industrial power distribution cabinet - Google Patents
Industrial power distribution cabinet Download PDFInfo
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- CN114865466A CN114865466A CN202210294226.1A CN202210294226A CN114865466A CN 114865466 A CN114865466 A CN 114865466A CN 202210294226 A CN202210294226 A CN 202210294226A CN 114865466 A CN114865466 A CN 114865466A
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- 238000009826 distribution Methods 0.000 title claims abstract description 61
- 239000000725 suspension Substances 0.000 claims description 75
- 238000002955 isolation Methods 0.000 claims description 60
- 239000000779 smoke Substances 0.000 claims description 40
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000003860 storage Methods 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 4
- 229910052602 gypsum Inorganic materials 0.000 claims description 4
- 239000010440 gypsum Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 230000009471 action Effects 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 9
- 238000009413 insulation Methods 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 239000000443 aerosol Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- 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
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention belongs to the technical field of power distribution cabinets, and particularly relates to an industrial power distribution cabinet.
Description
Technical Field
The invention belongs to the technical field of power distribution cabinets, and particularly relates to an industrial power distribution cabinet.
Background
The power distribution cabinet is the upper-level power distribution equipment of the power distribution cabinet, the size of the power distribution cabinet is large, large electrical equipment can be placed into the power distribution cabinet, the power distribution cabinet is generally used as power distribution equipment with medium-capacity load and comprises the power distribution cabinet, a motor and the like, and the applicable capacity of the power distribution cabinet is different in various process fields, and generally ranges from several kilowatts to dozens of kilowatts. On the basis of providing leakage protection and short-circuit protection for the traditional distribution box, the functions of overvoltage protection, ignition power-off, lightning stroke protection, automatic power supply, temperature protection, power limitation, fault recording, self-checking function, learning and memory, mobile interconnection visualization, digitization and the like are also provided;
the side wall of the existing power distribution cabinet is often provided with heat dissipation holes for performing heat dissipation treatment on the interior of the power distribution cabinet; when the interior of the power distribution cabinet is overheated and a fire condition occurs, a large amount of smoke can be generated, and after the smoke alarm carries out alarm processing, if a fire extinguisher does not take processing measures in time, a large amount of smoke can flow out through the heat dissipation holes, so that the fire extinguisher can cause the panic of workers in a workshop and can also influence the fire extinguishing work of the fire extinguisher on the power distribution cabinet; and the louvre can also carry out air exchange with the external world, for the inside ignition provides oxygen, and then accelerates the worsening of condition of a fire.
In view of this, in order to overcome the technical problems, the invention designs and develops an industrial power distribution cabinet, and the technical problems are solved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the existing power distribution cabinet is mostly provided with a fire alarm system or an automatic fire extinguishing device, but the fire extinguishing effect can be achieved only when open fire occurs, and few devices can prevent the flame from growing and spreading when white smoke just occurs before the open fire occurs in the power distribution cabinet, so that the loss is reduced to the minimum.
The invention provides an industrial power distribution cabinet, comprising: the cabinet body and the cabinet chamber of the internal portion of cabinet, cabinet body both sides are equipped with many strip vents, still include:
an insulating plate: the isolation plate is suspended in the cavity of the side wall of the cabinet body, the surface of the isolation plate is provided with a plurality of strip-shaped through holes, each strip-shaped through hole corresponds to one ventilation opening of the side wall of the cabinet body, the horizontal heights of the corresponding strip-shaped through holes and the ventilation openings are the same, and the top of the isolation plate is provided with a suspension ring;
a trigger device: the trigger device is positioned at the upper part of the cabinet cavity, is connected with the suspension ring and is used for triggering the isolation plate to act under certain conditions.
Preferably, the triggering device includes:
a smoke sensor: the smoke sensor is positioned at the top of the cabinet cavity and is fixed with the cabinet wall at the top of the cabinet cavity;
triggering a motor: the trigger motor is positioned in the upper wall body of the smoke sensor, and the lower part of the trigger motor is connected with the smoke sensor through an electric wire;
a transmission shaft: the transmission shaft is fixedly connected with an output shaft of the trigger motor, extends upwards to be positioned in a wall body at the top of the cabinet body, and is provided with an annular groove around;
a movable ring: the movable ring is positioned at the upper part of the transmission shaft, and the transmission shaft at the inner side of the movable ring is fixedly connected;
hook-shaped rod: the hook-shaped rods are positioned at two sides of the movable ring and fixedly connected with the movable ring, annular protrusions fixedly connected with the wall body are arranged below the hook-shaped rods, and hook-shaped blocks are arranged at the ends, far away from the movable ring, of the hook-shaped rods;
a suspension band: two ends of the suspension belt are in a rope sleeving shape, one end of the suspension belt is sleeved on the suspension ring, and the other end of the suspension belt passes through the outer side of the hook-shaped block and then is fixed on the annular bulge.
Preferably, the bottom of the cavity where the isolation plate is located is provided with a rubber buffer block, a gas storage cavity is arranged in the side wall of the cabinet body below the rubber buffer block, one side of the gas storage cavity is communicated with the cabinet cavity through a gas outlet, the upper part of the gas storage cavity is communicated with the cavity through a chute, a piston is arranged in the chute, the upper part of the piston is fixedly connected with the lower end of a push rod, and the upper end of the push rod is fixedly connected with the lower surface of the rubber buffer block.
Preferably, a turning part of the suspension belt above the connection part of the suspension belt and the suspension ring is provided with a roller with two ends rotatably connected with the wall body.
Preferably, the outer side surface of the hook-shaped block is provided with an arc-shaped recess, and the fixed end of the suspension band is positioned in the arc-shaped recess.
Preferably, the strap body of the suspension strap on one side of the suspension ring is flat, and the strap body on one side of the hook rod is in a thin strip shape.
Preferably, the surface of the suspension ring is provided with a corrugated concave-convex structure.
Preferably, the material of the suspension band is nylon.
Preferably, the material of the insulation board is gypsum board.
Preferably, a rubber plug is arranged in the middle of the air outlet, and X-shaped cracks are formed in the surface of the rubber plug.
The invention has the following beneficial effects:
the invention provides an industrial power distribution cabinet, wherein a trigger device and an isolation plate are arranged in the power distribution cabinet and are mutually linked, when the circuit in the power distribution cabinet is smoked and naked flame does not appear, the trigger device is started, the isolation plate moves to block a vent at the side part of the power distribution cabinet, so that a certain air isolation effect is realized, air is prevented from entering a cabinet cavity to serve as combustion improver for combustion, the heat in the cabinet cavity is prevented from being rapidly transmitted to the periphery, the periphery and inflammable matters are burnt, and meanwhile, the outflow of smoke in the power distribution cabinet is reduced, so that personnel panic is caused.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a side sectional view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 4 is a view of the invention from the direction B of FIG. 3;
FIG. 5 is an enlarged view of the invention at C of FIG. 2;
FIG. 6 is a view of the invention from the D-direction of FIG. 1;
FIG. 7 is a schematic view of the suspension band of the present invention;
in the figure: the refrigerator comprises a cabinet body 1, a cabinet cavity 11, a ventilation opening 12, a cavity 13, a rubber buffer block 131, an annular groove 14, an annular protrusion 15, a gas storage cavity 16, a gas outlet 17, a rubber plug 171, an X-shaped crack 172, a sliding groove 18, a piston 181, a push rod 182, an isolation plate 2, a strip-shaped through hole 21, a suspension ring 22, a corrugated concave-convex structure 221, a trigger device 3, a smoke sensor 31, a trigger motor 32, a transmission shaft 33, a movable ring 34, a hook-shaped rod 35, a hook-shaped block 351, an arc-shaped recess 352, a suspension belt 36 and a roller 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but 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.
The embodiment of the invention provides an industrial power distribution cabinet, which aims to solve the problems that most of the existing power distribution cabinets are provided with fire alarm systems or automatic fire extinguishing devices, but most of the existing power distribution cabinets can play a fire extinguishing role when open fire occurs, and few of the existing power distribution cabinets can prevent flame from being enlarged and spread when white smoke just before the open fire occurs in the power distribution cabinets, so that the loss is reduced to the minimum.
In order to solve the technical problems, the technical scheme in the embodiment of the invention has the following general idea: an isolation plate 2 is arranged inside the side wall of a ventilation opening 12 of the power distribution cabinet, the isolation plate 2 has fireproof performance, a trigger device 3 is arranged inside the cabinet body 1, and the trigger device 3 is connected with the isolation plate 2; when the internal circuit cigarette, trigger device 3 reacts to it, makes isolated board 2 plug up the lateral part vent 12 of switch board, makes the inside and outside relative separation of switch board, hinders the development of intensity of a fire.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
The invention provides an industrial power distribution cabinet, comprising: the cabinet body 1 and the cabinet chamber 11 of the cabinet body 1 inside, 1 both sides of the cabinet body are equipped with many strip vents 12, still include:
insulating board 2: the isolation plate 2 is suspended in the cavity 13 on the side wall of the cabinet body 1, the surface of the isolation plate is provided with a plurality of strip-shaped through holes 21, each strip-shaped through hole corresponds to one ventilation opening 12 on the side wall of the cabinet body 1, the corresponding strip-shaped through hole 21 and the ventilation opening 12 have the same horizontal height, and the top of the isolation plate is provided with a suspension ring 22;
the trigger device 3: the trigger device 3 is located at the upper part of the cabinet cavity 11, is connected to the suspension ring 22, and is used for triggering the action of the isolation plate 2 under certain conditions.
The invention comprises a cabinet body 1 of a power distribution cabinet, a cabinet cavity 11 for storing electronic components in the cabinet body 1, a plurality of ventilation openings 12 for dissipating heat in the power distribution cabinet, an isolation plate 2 and a trigger device 3, wherein the isolation plate 2 is suspended in a cavity 13 on the side wall of the cabinet body 1, a plurality of strip-shaped through holes 21 are arranged on the surface of the isolation plate, each strip-shaped through hole 21 corresponds to one ventilation opening 12 on the side wall of the cabinet body 1, the horizontal heights of the corresponding strip-shaped through hole 21 and the ventilation opening 12 are the same, a suspension ring 22 is arranged at the top of the isolation plate, the suspension ring 22 is connected with the trigger device 3, and the trigger device 3 is arranged at the upper part of the cabinet cavity 11; when the interior of the power distribution cabinet catches fire, smoke generated by the power distribution cabinet can disconnect the trigger device 3 from the suspension ring 22, at the moment, the isolation plate 2 can fall into the bottom of the cavity 13 under the action of self gravity, so that the strip-shaped through holes 21 on the surface of the isolation plate 2 are staggered with the ventilation openings 12 on the side portion of the cabinet body 1, a certain air isolation effect is achieved, air is prevented from entering the interior of the cabinet cavity 11 to serve as combustion improver for combustion, the fire is prevented from rapidly expanding or flame is directly extinguished, the isolation plate 2 can prevent heat in the cabinet cavity 11 from being transferred, the heat in the cabinet cavity 11 is prevented from being rapidly transferred to the periphery, the rest inflammable matters around reach ignition point combustion, the overall fire spread is relieved, and time is won for people to arrive; and 1 inside automatic fire extinguishing device that is provided with of cabinet body, automatic fire extinguishing device chooses for use the small-size aerosol extinguishing device on the current market, and the device and 3 intercommunications of trigger device, when the less temperature of intensity of a fire is lower, automatic fire extinguishing device probably does not have in time starting because the temperature that detects, the smog that produces this moment makes trigger device 3 start, trigger device 3 starts automatic fire extinguishing device, the aerosol of release usefulness of putting out a fire, in time put out a fire and handle, and because isolated plate 2 has sealed vent 12, and then reduce the exchange with the outside air, make the inside condition of a fire be difficult to obtain the outside air and supply, consequently, realize the timely processing to the inside condition of a fire of switch board through automatic fire extinguishing device and isolated plate 2's cooperation.
As an embodiment of the present invention, the triggering device 3 includes:
the smoke sensor 31: the smoke sensor 31 is positioned at the top of the cabinet cavity 11 and is fixed with the cabinet wall at the top of the cabinet cavity 11;
the trigger motor 32: the trigger motor 32 is positioned in the upper wall body of the smoke sensor 31, and the lower part of the trigger motor is connected with the smoke sensor 31 through an electric wire;
the transmission shaft 33: the transmission shaft 33 is fixedly connected with an output shaft of the trigger motor 32, the transmission shaft 33 extends upwards to be located in a wall body at the top of the cabinet body 1, and an annular groove 14 is formed around the transmission shaft 33;
the movable ring 34: the movable ring 34 is positioned at the upper part of the transmission shaft 33, and the transmission shaft 33 at the inner side is fixedly connected;
hook lever 35: the hook-shaped rods 35 are positioned at two sides of the movable ring 34 and fixedly connected with the movable ring, the annular protrusions 15 fixedly connected with the wall body are arranged below the hook-shaped rods 35, and the hook-shaped blocks 351 are arranged at one ends of the hook-shaped rods 35, which are far away from the movable ring 34;
the suspension string 36: the two ends of the suspension band 36 are in the shape of a lasso, one end of the suspension band is sleeved on the suspension ring 22, and the other end of the suspension band passes through the outer side of the hook block 351 and then is fixed on the annular bulge 15.
The invention is provided with a trigger device 3 for reacting to the interior of the power distribution cabinet when smoke just occurs in a fire, wherein the trigger device 3 comprises a smoke sensor 31 fixed at the top of a cabinet cavity 11; a trigger motor 32 in the wall body at the upper part of the cabinet body 1, wherein the trigger motor 32 is connected with the smoke sensor 31; the transmission shaft 33 is fixedly connected with an output shaft of the trigger motor 32, and the transmission shaft 33 is vertically and upwards positioned in the annular groove 14 in the top wall body of the cabinet body 1; a movable ring 34 whose inner side is fixedly connected with the transmission shaft 33, and a hook-shaped rod 35 whose one end is a hook-shaped block 351; a hanging belt 36 with one end sleeved on the hanging ring 22 and the other end fixed on the annular bulge 15 through the inner side of the hook-shaped block 351; when the power distribution cabinet is normally used, one end of the suspension belt 36 is fixed on the annular bulge 15, part of the suspension belt is wound on the annular bulge 15 and then is connected with the isolation plate 2 after passing through the outer side of the hook-shaped block 351 and contacting with the hook-shaped block, the isolation plate 2 is fixed at the position where the strip-shaped through hole 21 on the surface of the isolation plate 2 and the vent 12 on the side part of the cabinet body 1 are mutually overlapped, and at the moment, the strip-shaped through hole 21 and the vent 12 can play the role of a normal heat dissipation hole; the hanging belt 36 is partially wound on the annular bulge 15 and then is contacted with the hook-shaped blocks 351 at the two ends, the hook-shaped blocks 351 limit the wound part of the hanging belt 36, the possibility of knotting of the hanging belt 36 can be reduced, and the hook-shaped blocks 351 can also play a certain limiting and combing role on the hanging belt 36 when the hanging belt 36 extends out of the hook-shaped blocks 351;
when open fire occurs in the internal circuit of the cabinet cavity 11 of the power distribution cabinet, smoke is generated firstly, the smoke floats to the upper part of the cabinet cavity 11 and contacts the smoke sensor 31, the smoke sensor 31 responds to the smoke to start the trigger motor 32 above the smoke sensor, the trigger motor 32 drives the transmission shaft 33 fixedly connected with the trigger motor to rotate, the transmission shaft 33 drives the movable ring 34 to rotate, the movable ring 34 drives the hook rod 35 to rotate, in the rotating process of the hook rod 35, when the hook rod 35 rotates, the hook block 35 drives the part on the suspension belt 36 to move, so that the part of the suspension belt 36 wound on the annular bulge 15 is unwound and unfolded, the length of the part of the suspension belt 36 not wound with the annular bulge 15 is increased, when the length is extended to a certain degree, the isolation plate 2 falls to the bottom of the power distribution cabinet under the connecting action of the suspension belt 36 before the driving, and the strip-shaped through holes 21 on the surface of the suspension belt are staggered with the ventilation holes 12 on the side part of the cabinet body 1, the purpose of blocking the circulation of outside air in the cabinet cavity 11 is achieved, so that the supply of oxygen in the cabinet cavity 11 is not consumed, the purpose of blocking combustion is achieved, smoke in the power distribution cabinet is prevented from developing into open fire as far as possible, and the possibility of fire intensity increasing is reduced; the situation that a large amount of smoke flows out of the ventilation opening 12 to cause panic of workers in a workshop is reduced, meanwhile, an automatic fire extinguishing device is arranged in the cabinet body 1, the automatic fire extinguishing device is a small aerosol fire extinguishing device on the existing market and is communicated with the triggering device 3, when the fire is small and the temperature is low, the automatic fire extinguishing device is probably not started in time due to insufficient detected temperature, the triggering device 3 is started by the generated smoke, the triggering device 3 starts the automatic fire extinguishing device to release the aerosol for fire extinguishing, the fire extinguishing treatment is carried out in time, and the ventilation opening 12 is sealed by the isolation plate 2, so that the exchange with the outside air is reduced, the internal fire is difficult to be supplemented by the outside air, and the timely treatment of the fire in the power distribution cabinet is realized through the matching of the automatic fire extinguishing device and the isolation plate 2;
after the fire is over, the driving trigger motor 32 rotates reversely, so that the suspension band 36 is driven to wind on the annular protrusion 15, and the isolation plate 2 is lifted to the initial position to resume normal operation.
As a specific embodiment of the invention, the bottom of the cavity 13 where the isolation plate 2 is located is provided with a rubber buffer block 131, the side wall of the cabinet body 1 below the rubber buffer block 131 is provided with an air storage chamber 16, one side of the air storage chamber 16 is communicated with the cabinet chamber 11 through an air outlet 17, the upper part of the air storage chamber is communicated with the cavity 13 through a chute 18, a piston 181 is arranged in the chute 18, the upper part of the piston 181 is fixedly connected with the lower end of a push rod 182, and the upper end of the push rod 182 is fixedly connected with the lower surface of the rubber buffer block 131.
The bottom of a cavity 13 where an isolation plate 2 is arranged is provided with a rubber buffer block 131, the side wall of a cabinet body 1 below the rubber buffer block 131 is internally provided with an air storage cavity 16, one side of the air storage cavity 16 is communicated with a cabinet cavity 11 through an air outlet 17, the upper part of the air storage cavity is communicated with the cavity 13 through a chute 18, a piston 181 is arranged in the chute 18, and the piston 181 and the rubber buffer block 131 are fixedly connected through a push rod 182; when the isolation board 2 falls to the bottom of the power distribution cabinet, the isolation board 2 impacts the upper surface of the rubber buffer block 131, because the rubber buffer block 131 has certain elasticity, the rigid impact at the bottom of the isolation board 2 can be reduced to increase the flexible impact, the impact time between the isolation board 2 and the bottom of the cavity 13 is increased, the impact force is reduced, the isolation board 2 is prevented from being broken, the isolation effect is weakened, the weight of the isolation board 2 is transferred to the piston 181 through the push rod 182, the piston 181 moves downwards along the chute 18 under the action of force to extrude the gas in the gas storage cavity 16, the flame retardant gas such as carbon dioxide is filled in the gas storage cavity 16, the flame retardant gas in the gas storage cavity 16 can be blown out to the interior of the cabinet cavity 11 through the gas outlet 17 under the extrusion of the piston 181, the carbon dioxide filled in the cabinet cavity 11 can supplement the volume of oxygen consumed by combustion in the cabinet cavity 11, and balance the pressure in the cabinet cavity 11, avoid 11 insides of cabinet chamber and external pressure differential too big for outside air is inhaled 11 insides of cabinet chamber, and carbon dioxide does not participate in the interior combustion reaction of switch board, can reduce the concentration of 11 inside oxygen in cabinet chamber and hinder going on of burning.
In an embodiment of the present invention, a roller 4 with two ends rotatably connected to the wall body is disposed at the turning point of the suspension belt 36 above the connection point of the suspension belt 36 and the suspension ring 22.
According to the invention, when the insulation board 2 falls in the cavity 13, the hanging ring 22 at the top of the insulation board is still connected with the hanging belt 36, the hanging belt 36 falls along with the insulation board 2, the belt body of the hanging belt rubs against the wall body at the turning part of the hanging belt 36 above the connecting part of the hanging ring 22, and the hanging belt 36 can be abraded, the roller 4 with two ends rotatably connected with the wall body is arranged, the roller 4 can roll around two ends when the hanging belt 36 passes through the surface of the roller 4, so that partial sliding friction between the hanging belt 36 and the roller 4 is converted into rolling friction, the friction force is reduced, and the hanging belt 36 is protected.
As an embodiment of the present invention, the hook block 351 is provided at an outer side surface thereof with an arc-shaped recess 352, and the suspension band 36 passes through an inner surface thereof.
In the invention, the inner side surface of the hook block 351 is provided with the arc-shaped recess 352, when one end of the suspension belt 36 is sleeved on the inner side of the hook block 351 and fixed, the arc-shaped recess 352 can limit one end of the suspension belt 36 in the hook block 351, thereby increasing the stability of connection and avoiding the falling of the isolation plate 2 caused by the external impact of the cabinet body 1 under the normal condition.
In an embodiment of the present invention, the strap body of the suspension strap 36 on the side of the suspension loop 22 is flat, and the strap body on the side of the hook rod 35 is thin strip.
The belt body of the suspension belt 36 on one side of the suspension ring 22 is flat, so that the stress area of the suspension belt and the suspension ring 22 can be increased, the gravity of the isolation plate 2 is better transmitted to the suspension belt 36, the stability of the isolation plate 2 during suspension is improved, the lateral inclination of the isolation plate in the cavity 13 is avoided, and the plate body on one side is firstly contacted with an impact surface when the isolation plate falls, so that the plate body is broken when the impact force on one side is too large; the strap body on one side of the hook rod 35 is in a thin strip shape, so that the strap body is conveniently limited in the arc-shaped recess 352 on the inner side of the hook block 351, and the suspension stability is improved.
In an embodiment of the present invention, the surface of the suspension ring 22 is provided with a corrugated concave-convex structure 221.
The corrugated concave-convex structure 221 is arranged on the surface of the suspension ring 22, so that the surface friction force between the suspension ring 22 and the suspension belt 36 sleeved on the surface of the suspension ring 22 can be increased, and the suspension belt 36 is prevented from deviating to one side under the action of external force, so that the isolation plate 2 is prevented from inclining to one side.
In one embodiment of the present invention, the suspension string 36 is made of nylon.
The suspension band 36 of the present invention is used as a component for transferring the weight of the insulating panel 2 to the hook rod 35, and has high requirements for strength and wear resistance, and the nylon material has the required strength and wear resistance.
In one embodiment of the present invention, the material of the insulation board 2 is gypsum board.
The gypsum board is a building material with light weight, high strength, thin thickness, convenient processing, good performances of sound insulation, heat insulation, fire prevention and the like, and is a material with the functions of the composite insulation board 2.
In an embodiment of the present invention, a rubber stopper 171 is disposed in the middle of the air outlet 17, and the surface thereof is provided with X-shaped cracks 172.
In the invention, the rubber plug 171 is arranged in the middle of the air outlet 17, the surface of the rubber plug 171 is provided with the X-shaped cracks 172, the rubber plug 171 is made of rubber and has elasticity, the X-shaped cracks 172 on the surface of the rubber plug are pressed together under the action of the elasticity of the rubber plug 171 under the action of no external force, so that the carbon dioxide in the air storage cavity 16 is prevented from flowing into the cabinet cavity 11, when the piston 181 moves towards the lower part of the sliding groove 18 to extrude the air in the air storage cavity 16, the carbon dioxide in the air storage cavity can push the X-shaped cracks 172 on the surface of the rubber plug 171 under the action of the pressure and reaches the interior of the cabinet cavity 11 through the air outlet 17, and the function of the air storage cavity is exerted.
The working principle is as follows: when the power distribution cabinet is normally used, one end of the suspension belt 36 is fixed on the annular bulge 15, part of the suspension belt is wound on the annular bulge 15 and extends out of the hook-shaped block 351 to be connected with the isolation plate 2, the isolation plate 2 is fixed at the position where the strip-shaped through hole 21 on the surface of the isolation plate 2 and the vent 12 on the side part of the cabinet body 1 are overlapped, and the strip-shaped through hole 21 and the vent 12 can play the role of normal heat dissipation holes; the hanging belt 36 is partially wound on the annular bulge 15, and the two rear ends of the hanging belt extend out of the hook-shaped blocks 351, so that the possibility of knotting of the hanging belt 36 can be reduced, and the hook-shaped blocks 351 can play a certain role in combing the hanging belt 36 when the hanging belt extends out of the hook-shaped blocks 351;
when open fire occurs in the internal circuit of the cabinet cavity 11 of the power distribution cabinet, smoke is generated firstly, the smoke floats to the upper part of the cabinet cavity 11 and contacts the smoke sensor 31, the smoke sensor 31 responds to the smoke to start the trigger motor 32 above the smoke sensor, the trigger motor 32 drives the transmission shaft 33 fixedly connected with the trigger motor to rotate, the transmission shaft 33 drives the movable ring 34 to rotate, the movable ring 34 drives the hook rod 35 to rotate, in the rotating process of the hook rod 35, the hook block 351 on the hook rod 35 drives the suspension belt 36 wound on the annular protrusion 15 to increase the extending length of the isolation plate 2, when the length extends to a certain degree, the isolation plate 2 falls to the bottom of the power distribution cabinet under the connecting action of the suspension belt 36, so that the strip-shaped through holes 21 on the surface of the isolation plate are mutually staggered with the ventilation openings 12 on the side part of the cabinet body 1, the purpose of blocking the circulation of external air in the cabinet cavity 11 is achieved, and the supply of oxygen in the cabinet cavity 11 is not consumed, the purpose of hindering the combustion is achieved, the smoke in the power distribution cabinet is prevented from developing into open fire as far as possible, the possibility of the fire intensity increasing is reduced, meanwhile, an automatic fire extinguishing device is arranged in the cabinet body 1, the automatic fire extinguishing device is a small aerosol fire extinguishing device on the existing market and is communicated with the trigger device 3, when the fire is low in temperature, the automatic fire extinguishing device is not started in time due to insufficient detected temperature, the triggering device 3 is started by the generated smoke, the triggering device 3 starts the automatic fire extinguishing device to release aerosol for fire extinguishing, the fire extinguishing treatment is carried out in time, and the vent 12 is sealed by the isolation plate 2, and then reduce the exchange with the outside air for inside condition of a fire is difficult to obtain the outside air and supplyes, consequently realizes the timely processing to the inside condition of a fire of switch board through the cooperation of automatic fire extinguishing device and isolation plate 2.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An industrial power distribution cabinet comprising: the cabinet body (1) and the cabinet chamber (11) of the cabinet body (1) inside, the cabinet body (1) both sides are equipped with many strip vents (12), its characterized in that still includes:
insulating panel (2): the isolation plate (2) is suspended in a cavity (13) on the side wall of the cabinet body (1), a plurality of strip-shaped through holes (21) are formed in the surface of the isolation plate, each strip-shaped through hole (21) corresponds to one ventilation opening (12) on the side wall of the cabinet body (1), the horizontal heights of the corresponding strip-shaped through holes (21) and the ventilation openings (12) are the same, and a suspension ring (22) is arranged at the top of the isolation plate;
trigger device (3): the trigger device (3) is positioned at the upper part of the cabinet cavity (11), is connected with the suspension ring (22) and is used for triggering the isolation plate (2) to act under certain conditions.
2. An industrial power distribution cabinet according to claim 1, characterized in that: the triggering device (3) comprises:
smoke sensor (31): the smoke sensor (31) is positioned at the top of the cabinet cavity (11) and is fixed with the cabinet wall at the top of the cabinet cavity (11);
trigger motor (32): the trigger motor (32) is positioned in the upper wall body of the smoke sensor (31), and the lower part of the trigger motor is connected with the smoke sensor (31) through an electric wire;
drive shaft (33): the transmission shaft (33) is fixedly connected with an output shaft of the trigger motor (32), the transmission shaft (33) extends upwards to be located in the wall body at the top of the cabinet body 1, and an annular groove (14) is formed around the transmission shaft (33);
a movable ring (34): the movable ring (34) is positioned at the upper part of the transmission shaft (33), and the transmission shaft (33) at the inner side of the movable ring is fixedly connected;
hook lever (35): the hook-shaped rods (35) are positioned at two sides of the movable ring (34) and fixedly connected with the movable ring, annular protrusions (15) fixedly connected with the wall body are arranged below the hook-shaped rods (35), and hook-shaped blocks (351) are arranged at one ends, far away from the movable ring (34), of the hook-shaped rods (35);
suspension band (36): two ends of the suspension belt (36) are in a rope sleeving shape, one end of the suspension belt is sleeved on the suspension ring (22), and the other end of the suspension belt passes through the outer side of the hook-shaped block (351) and then is fixed on the annular bulge (15).
3. An industrial power distribution cabinet according to claim 1, characterized in that: isolation plate (2) place cavity (13) bottom is equipped with rubber buffer block (131), be equipped with gas storage chamber (16) in the cabinet body (1) lateral wall below rubber buffer block (131), gas storage chamber (16) one side communicates with each other through gas outlet (17) and cabinet chamber (11), and its upper portion communicates with each other with cavity (13) through spout (18), be equipped with piston (181) in spout (18), the lower extreme fixed connection of piston (181) upper portion and push rod (182), and the lower fixed surface of the upper end of push rod (182) and rubber buffer block (131) is connected.
4. An industrial power distribution cabinet according to claim 2, characterized in that: and a rolling shaft (4) with two ends rotatably connected with the wall body is arranged at the turning part of the hanging belt (36) above the connecting part of the hanging belt (36) and the hanging ring (22).
5. An industrial power distribution cabinet according to claim 2, characterized in that: the outer side surface of the hook-shaped block (351) is provided with an arc-shaped recess (352), and the fixed end of the suspension band (36) is positioned in the arc-shaped recess.
6. An industrial power distribution cabinet according to claim 2, characterized in that: the strap body of the suspension strap (36) on one side of the suspension ring (22) is flat, and the strap body on one side of the hook rod (35) is in a thin strip shape.
7. An industrial power distribution cabinet according to claim 1, characterized in that: the surface of the suspension ring (22) is provided with a corrugated concave-convex structure (221).
8. An industrial power distribution cabinet according to claim 2, characterized in that: the suspension band (36) is made of nylon.
9. An industrial power distribution cabinet according to claim 1, characterized in that: the material of the isolation plate (2) is gypsum board.
10. An industrial power distribution cabinet according to claim 1, characterized in that: the middle part of the air outlet (17) is provided with a rubber plug (171), and the surface of the air outlet is provided with an X-shaped crack (172).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210294226.1A CN114865466A (en) | 2022-03-23 | 2022-03-23 | Industrial power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210294226.1A CN114865466A (en) | 2022-03-23 | 2022-03-23 | Industrial power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114865466A true CN114865466A (en) | 2022-08-05 |
Family
ID=82629480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210294226.1A Withdrawn CN114865466A (en) | 2022-03-23 | 2022-03-23 | Industrial power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114865466A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115892693A (en) * | 2023-01-03 | 2023-04-04 | 江苏信必沃电气实业有限公司 | Internal and external linkage dehumidification transformer strorage device |
-
2022
- 2022-03-23 CN CN202210294226.1A patent/CN114865466A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115892693A (en) * | 2023-01-03 | 2023-04-04 | 江苏信必沃电气实业有限公司 | Internal and external linkage dehumidification transformer strorage device |
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Application publication date: 20220805 |