CN116646861A - Pressure relief type switch cabinet based on shunt guiding internal pressure self-adaption - Google Patents
Pressure relief type switch cabinet based on shunt guiding internal pressure self-adaption Download PDFInfo
- Publication number
- CN116646861A CN116646861A CN202310604007.3A CN202310604007A CN116646861A CN 116646861 A CN116646861 A CN 116646861A CN 202310604007 A CN202310604007 A CN 202310604007A CN 116646861 A CN116646861 A CN 116646861A
- Authority
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- China
- Prior art keywords
- cabinet
- outer cabinet
- protection shell
- impact force
- cabinet body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004880 explosion Methods 0.000 claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims description 22
- 229920000742 Cotton Polymers 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000009940 knitting Methods 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 4
- 230000006378 damage Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000872 buffer Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
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
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
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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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
Abstract
The invention relates to a pressure relief type switch cabinet, in particular to a pressure relief type switch cabinet based on shunt guiding internal pressure self-adaption. The electric appliance explosion protection device comprises an outer cabinet, wherein a mounting frame is arranged inside the outer cabinet, a plurality of electric appliance elements are mounted on the mounting frame, a protection piece is arranged inside the outer cabinet, when the electric appliance elements are used normally, the outer cabinet blows air to dissipate heat of the electric appliance elements, and when the electric appliance elements are in explosion conditions, the protection piece disperses impact force generated by explosion of the electric appliance elements in multiple directions. When the electric element explodes, the explosion force generated by the elliptic protection shell electric element is blocked, so that the elliptic protection shell moves in the outer protection frame, the moving elliptic protection shell is blocked by the spring, the movement of the elliptic protection shell is limited, and meanwhile, part of impact force generated by the explosion of the electric element is shunted and diffused into the outer cabinet body through the air vent, the impact strength of the impact force on the elliptic protection shell is reduced, and the shaking amplitude of the elliptic protection shell is reduced.
Description
Technical Field
The invention relates to a pressure relief type switch cabinet, in particular to a pressure relief type switch cabinet based on shunt guiding internal pressure self-adaption.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters the main control switch in the cabinet and then enters the sub-control switch, and each shunt is arranged according to the requirement of the switch cabinet, so that the switch cabinet has the main functions of opening and closing, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy of the power system.
In the use process of the switch cabinet, the situation that an electric appliance in the switch cabinet is short-circuited and explodes and self-ignites can occur in the use process of the switch cabinet, when the electric appliance explodes, the explosion impact force can impact and damage the switch cabinet, so that the switch cabinet cannot be used, the impact force generated by the explosion of the electric appliance cannot be buffered when the current switch cabinet encounters the explosion of the electric appliance, when a worker works nearby the switch cabinet, the impact force generated by the explosion of the electric appliance damages the switch cabinet, the damaged switch cabinet hurts nearby workers, the danger that the worker works nearby the switch cabinet is increased, and therefore the pressure relief type switch cabinet capable of guiding the impact force generated by the explosion of the electric appliance is needed, and the impact force is prevented from damaging the switch cabinet.
Disclosure of Invention
The invention aims to provide a pressure relief type switch cabinet based on shunt guide internal pressure self-adaption so as to solve the problems in the background technology.
In order to achieve the above-mentioned purpose, provide pressure release type cubical switchboard based on reposition of redundant personnel guide internal pressure self-adaptation, including outer cabinet and the cabinet board of setting on outer cabinet, the cabinet board is shielded one side of outer cabinet, the inside mounting bracket that is provided with of outer cabinet, install a plurality of electrical components on the mounting bracket, the inside of outer cabinet is provided with the guard piece, mounting bracket and a plurality of electrical components all set up in the inside of guard piece, when electrical components normal use, outer cabinet bloies the heat dissipation to electrical components, when electrical components appears the explosion condition, the guard piece carries out multidirectional dispersion with the impact force that electrical components exploded and produces to the impact force that electrical components exploded weakens at the in-process of dispersion impact force, and outer cabinet guides the explosion impact force that the guard piece weakened.
As a further improvement of the technical scheme, the outer cabinet comprises an outer cabinet body, one side of the outer cabinet body is communicated with the outside, one side of the cabinet plate is hinged to one side of the outer cabinet body and one side of the outside communication position, the cabinet plate shields the position where the outer cabinet body is communicated with the outside, a fan is mounted at the top of the outer cabinet body, and the fan conveys air flow outside the outer cabinet body to the inside of the outer cabinet body.
As a further improvement of the technical scheme, a plurality of outer discharge ports are formed in the left side wall and the right side wall of the outer cabinet body from top to bottom, and the area of the through holes close to the inner parts of the outer discharge ports and the outer parts of the outer cabinet body is larger than that of the through holes close to the outer discharge ports and the outer parts of the outer cabinet body.
As a further improvement of the technical scheme, the protection piece comprises an oval protection shell, the oval protection shell is arranged in the outer cabinet body, an outer protection frame is arranged outside the oval protection shell, and a plurality of elastic components are arranged between the outer protection frame and the oval protection shell.
As a further improvement of the technical scheme, a rear folded plate is fixed on one side, far away from the cabinet plate, of the elliptical protective shell, the rear folded plate is a corrugated plate, the mounting frame is fixed on the rear folded plate through screws, and when the electric element explodes, the rear folded plate blocks impact force generated by explosion of the electric element.
As a further improvement of the technical scheme, the bottom of the outer protective frame is fixedly provided with the plugboard, the top of the outer protective frame is fixedly provided with the top baffle, the upper side of the top baffle is arc-shaped, the top baffle is arranged at the bottom of the fan, the plugboard is inserted on the bottom side wall of the inner part of the outer cabinet body, and the air flow sent into the inner part of the outer cabinet body by the fan is guided to the two sides of the top baffle by the top baffle.
As the further improvement of this technical scheme, a plurality of air vent has been seted up on oval shield shell's the lateral wall, a plurality of the air vent divide into outer guiding mouth and interior guiding mouth, and a plurality of outer guiding mouth and interior guiding mouth crisscross setting, and the outside guiding mouth is close to oval shield shell inside through-hole area and is greater than the inside through-hole area of keeping away from oval shield shell, and interior guiding mouth keeps away from oval shield shell inside through-hole area and is greater than the inside through-hole area of being close to oval shield shell, the air current that the top baffle divides leads enters into oval shield shell's inside from outer guiding mouth and interior guiding mouth.
As a further improvement of the technical scheme, the elastic component comprises outer protruding columns fixed on the outer side wall of the elliptical protection shell respectively and inner protruding columns fixed on the outer protection frame and corresponding to the outer protruding columns, springs are fixed between the outer protruding columns and the inner protruding columns, and when the elliptical protection shell is subjected to impact force generated by explosion of the electrical element, the elliptical protection shell which is impacted and moves is blocked by the springs.
As a further improvement of the technical scheme, air deflectors are hinged to the left side and the right side, close to the top end, of the inner portion of the outer cabinet body, one end of each air deflector is inclined towards the direction, close to the elliptical protecting shell, of each air deflector, cotton wool threads fixed to the top of the outer cabinet body are arranged on one side of each air deflector, the other ends of the cotton wool threads are fixed to the air deflectors, and the inclined air deflectors guide air flow guided by the top baffles towards the direction, close to the elliptical protecting shell.
As a further improvement of the technical scheme, magnets are fixed on the side walls between the air deflector and the outer cabinet body, and when an electrical element explodes and fires, the cotton knitting wool is blown by flame, so that one end of the air deflector is adsorbed on the outer cabinet body.
Compared with the prior art, the invention has the beneficial effects that:
1. in this pressure release formula cubical switchboard based on self-adaptation of reposition of redundant personnel guide internal pressure, when electrical components explodes, the explosive force that oval protective housing electrical components produced blocks, make oval protective housing remove in the inside of outer protective frame, the oval protective housing of removal is blocked by the spring, the removal of restriction oval protective housing, the partial impact force that electrical components explodes simultaneously produces passes through the air vent reposition of redundant personnel diffusion to the inside of outer cabinet body, reduce impact force to oval protective housing impact strength, reduce the rocking amplitude of oval protective housing, and the impact force that enters into in the outer cabinet body through the air vent reposition of redundant personnel is dispersed, buffer partial impact force by outer cabinet again, make the impact force can not strike the damage of outer cabinet, avoid damaging outer cabinet to hurt nearby workman.
2. In this pressure release formula cubical switchboard based on self-adaptation is pressed in reposition of redundant personnel guide, when cubical switchboard normal use, the aviation baffle carries the internal air current of outer cabinet to the fan and carries out the inside guide towards oval protective housing, improve the radiating effect to electrical components, after electrical components explodes, the aviation baffle does not guide the air current that the fan blown out, the air current that makes the fan produce carries out the blowing to the inside of outer cabinet, outwards guide the flue gas that will explode produces, when making the maintenance personal open the cabinet board and salvage, can not outwards diffuse a large amount of flue gas in the outer cabinet and make the circumstances that the maintenance personal can't see the inner portion of outer cabinet clearly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a second schematic diagram of the overall structure of the present invention;
FIG. 3 is a third schematic diagram of the overall structure of the present invention;
FIG. 4 is a schematic view of the overall device portion of the present invention;
FIG. 5 is a schematic view of the combined structure of the outer cabinet and the cabinet plate of the invention;
FIG. 6 is a schematic cross-sectional view of the outer cabinet of the present invention;
FIG. 7 is a schematic view of a guard structure according to the present invention;
FIG. 8 is a schematic diagram of the normal operation of the device of the present invention;
fig. 9 is a schematic diagram of the operation of the device of the present invention when the electrical component is exploded.
The meaning of each reference sign in the figure is:
1. an outer cabinet; 11. an outer cabinet; 12. a fan; 13. an air deflector; 14. cotton knitting wool; 15. an outer discharge port; 16. an outer guide plate; 17. an inner guide block;
2. a guard; 21. an elliptical protective shell; 22. an outer protective frame; 23. a spring; 24. a top baffle; 25. inserting plate; 26. a rear folded plate; 27. a vent; 3. a mounting frame; 4. an electrical component; 5. and a cabinet plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
In the use process of the switch cabinet, the condition that the electric appliance in the switch cabinet is in use can appear that the electric appliance is short-circuited and explodes spontaneous combustion, when the electric appliance explodes, the impact force of explosion can strike the switch cabinet and damage, so that the switch cabinet can not be used, and when the electric appliance explodes, the current switch cabinet can not buffer the impact force generated by the electric appliance explosion, when workers work nearby the switch cabinet, the impact force generated by the electric appliance explosion damages the switch cabinet, so that the damaged switch cabinet hurts nearby workers, and the danger of the workers working nearby the switch cabinet is increased.
In order to prevent the switch cabinet from being damaged by impact force of the electric appliance explosion when the electric appliance explosion happens, the damage to workers nearby the switch cabinet is avoided, and referring to fig. 1-9, the aim of the embodiment is to provide a pressure relief type switch cabinet based on shunt guiding internal pressure self-adaption, which comprises an outer cabinet 1 and a cabinet plate 5 arranged on the outer cabinet 1, wherein one side of the outer cabinet 1 is shielded by the cabinet plate 5, a mounting frame 3 is arranged in the outer cabinet 1, a plurality of electric appliance elements 4 are arranged on the mounting frame 3, when the electric appliance elements 4 are in use, the impact force generated by the electric appliance elements 4 directly impacts the outer cabinet 1 when the explosion occurs, the outer cabinet 1 is easy to damage, and when workers work nearby the outer cabinet 1, the damaged outer cabinet 1 is easy to damage nearby workers.
In order to prevent the outer cabinet 1 from protecting impact force generated by explosion of the electrical elements 4 when the electrical elements 4 are exploded, the outer cabinet 1 is prevented from being damaged by the impact force, so that the outer cabinet 1 is harmful to workers, a protecting piece 2 is arranged in the outer cabinet 1, and a mounting frame 3 and a plurality of electrical elements 4 are arranged in the protecting piece 2;
when the electric appliance element 4 is normally used, the outer cabinet 1 carries out blowing and heat dissipation on the electric appliance element 4, and heat generated by normal operation of the electric appliance element 4 drives the electric appliance element 4 to be discharged to the outside of the outer cabinet 1, so that the electric appliance element 4 can be normally used;
when the electrical component 4 explodes, the broken line shown in fig. 9 is the direction of the explosion impact force diffusion of the electrical component 4, the protection piece 2 disperses the impact force generated by the explosion of the electrical component 4 in multiple directions, weakens the impact force generated by the explosion of the electrical component 4 in the process of dispersing the impact force, and the outer cabinet 1 guides the explosion impact force weakened by the protection piece 2, so that the situation that the outer cabinet 1 is damaged by the impact force generated by the explosion of the electrical component 4 is avoided.
The specific structures of the outer cabinet 1 and the protective piece 2 are shown in fig. 4-9:
the outer cabinet 1 includes outer cabinet 11, outer cabinet 11 is hollow cuboid, one side and the outside of outer cabinet 11 are linked together, and one side of cabinet board 5 articulates in the one side of outer cabinet 11 and external intercommunication position, cabinet board 5 is with the position shielding that outer cabinet 11 is linked together with the outside, fan 12 is installed at the top of outer cabinet 11, fan 12 carries the outside air current of outer cabinet 11 towards the inside of outer cabinet 11, the air current that enters into in the outer cabinet 11 carries out the inside of outer cabinet 11, a plurality of outer exhaust port 15 has been seted up from top to bottom on the left and right sides wall of outer cabinet 11 simultaneously, the air current that blows inside the outer cabinet 11 discharges outer cabinet 11 through outer exhaust port 15, so accomplish the cooling of the inside of outer cabinet 11, ensure that the electrical components 4 inside the outer cabinet 11 can normally use.
The protection piece 2 includes oval protection shell 21, oval protection shell 21 sets up in the inside of outer cabinet 11, one side that oval protection shell 21 kept away from cabinet board 5 is fixed with back folded plate 26, back folded plate 26 is the ripple folded plate, be repeatedly the board of buckling promptly, mounting bracket 3 screw fixation is on back folded plate 26, when electrical component 4 explodes, back folded plate 26 blocks the impact force that electrical component 4 exploded produced, the impact force that electrical component 4 exploded produced acts on back folded plate 26, repeatedly the back folded plate 26 existence can become the flat board, after back folded plate 26 receives the impact force, back folded plate 26 keeps away from towards the direction of keeping away from oval protection shell 21, make the trace of ripple folded on the back folded plate 26 straighten, and in the in-process that back folded plate 26 is straightened, back folded plate 26 bears and reduces partial impact force, weaken the impact force that electrical component 4 explodes and spread the intensity in outer cabinet 11, reduce impact force's influence to outer cabinet 11.
Meanwhile, when the electrical element 4 explodes, the impact force generated by the explosion of the electrical element 4 impacts the elliptical protecting shell 21, so that the elliptical protecting shell 21 displaces to absorb part of the impact force after being impacted by the impact force, in order to avoid the deformation of the elliptical protecting shell 21 caused by overlarge impact force on the elliptical protecting shell 21, the side wall of the elliptical protecting shell 21 is provided with a plurality of air vents 27, the plurality of air vents 27 are divided into an outer guide opening and an inner guide opening, the plurality of outer guide openings and the inner guide openings are arranged in a staggered manner, and when the part of the impact force generated by the explosion of the electrical element 4 impacts the elliptical protecting shell 21, the part of the impact force enters the outer cabinet 11 through the plurality of outer guide openings and the inner guide openings, so that the impact force is split, the impact force is prevented from being split, the impact force received by a certain position in the outer cabinet 11 is reduced, the deformation degree of the outer cabinet 11 is further reduced, and the fact that the outer cabinet 11 cannot obviously hurt workers nearby due to the explosion of the electrical element 4 is ensured.
And in the normal use of electrical component 4, electrical component 4 can produce the heat, if do not handle the heat that electrical component 4 produced, can lead to heat to gather in oval protective housing 21's inside, and influence electrical component 4's normal use, when fan 12 carries the air current to outer cabinet 11, the air current enters into oval protective housing 21's inside through outer guiding hole and interior guiding hole, carry the heat that electrical component 4 produced by blowing, rethread outer guiding hole and interior guiding hole leave oval protective housing 21, avoided electrical component 4's heat to gather in oval protective housing 21.
In order to facilitate the air flow to enter and leave the oval protecting shell 21, the impact force generated by the explosion of the electrical element 4 is convenient to leave the oval protecting shell 21, and the forms of the outer guide opening and the inner guide opening are adjusted, wherein the area of the outer guide opening close to the inside of the oval protecting shell 21 is larger than the area of the inner guide opening far away from the inside of the oval protecting shell 21, the area of the inner guide opening far away from the inside of the oval protecting shell 21 is larger than the area of the inner guide opening close to the inside of the oval protecting shell 21, when the air flow enters the oval protecting shell 21, the inner guide opening is convenient to guide the air flow into the oval protecting shell 21, so that the air flow enters the oval protecting shell 21 conveniently, and when the air flow needs to leave the oval protecting shell 21 or the impact force generated by the explosion of the electrical element 4 impacts the oval protecting shell 21, the outer guide opening guides the air flow or the impact force, so that the air flow or the impact force is convenient to leave the oval protecting shell 21.
When the oval protection shell 21 receives the impact force, the oval protection shell 21 can move along the direction of the impact force, in order to reduce the moving amplitude of the oval protection shell 21, buffer the impact force received on the oval protection shell 21, be provided with outer protection frame 22 in the outside of oval protection shell 21, be provided with a plurality of elastomeric element between outer protection frame 22 and the oval protection shell 21, elastomeric element buffers the impact force received on the oval protection shell 21, reduce the impact force on the oval protection shell 21, simultaneously also block the oval protection shell 21 that moves, reduce the moving amplitude of oval protection shell 21, wherein elastomeric element includes the outer projecting column of fixing respectively on the outer lateral wall of oval protection shell 21 and the corresponding inner projecting column of fixing on outer protection frame 22, be fixed with spring 23 between outer projecting column and the inner projecting column, when oval protection shell 21 receives the impact force that electrical component 4 explodes, a plurality of spring 23 blocks the oval protection shell 21 that receives the impact and moves, alleviate the impact force received on oval protection shell 21, reduce the moving amplitude of oval protection shell 21.
Meanwhile, the bottom of the outer protective frame 22 is fixedly provided with the plugboard 25, the top of the outer protective frame 22 is fixedly provided with the top baffle 24, the plugboard 25 is spliced on the bottom side wall of the inside of the outer cabinet 11, a space is reserved between the top baffle 24 and the top of the outer cabinet 11, and the fan 12 is arranged on the upper side of the top baffle 24, so that when impact force is diffused from the elliptical protective shell 21, the top baffle 24 blocks the impact force approaching the fan 12, and the fan 12 is prevented from being damaged by part of impact force impact on the fan 12.
In order to ensure that the fan 12 can blow off the heat accumulated in the elliptical protecting shell 21, the upper side of the top baffle plate 24 is arc-shaped, the top baffle plate 24 is arranged at the bottom of the fan 12, and the air flow sent into the outer cabinet 11 by the fan 12 is guided to two sides of the top baffle plate 24 by the top baffle plate 24.
Meanwhile, the left side and the right side, which are close to the top end, of the inner part of the outer cabinet body 11 are hinged with air deflectors 13, one end of each air deflector 13 inclines towards the direction close to the elliptical protecting shell 21, one side of each air deflector 13 is provided with cotton wool wires 14 fixed on the top of the outer cabinet body 11, the other ends of the cotton wool wires 14 are fixed on the air deflectors 13, the inclined air deflectors 13 guide air flow guided by the top baffle 24 towards the direction close to the elliptical protecting shell 21, and the air flow guided by the top baffle 24 enters the inner part of the elliptical protecting shell 21 from the outer guide opening and the inner guide opening to blow off heat accumulated in the elliptical protecting shell 21.
When the electrical component 4 explodes, a great amount of smoke dust can be accumulated in the outer cabinet 11, when maintenance personnel opens the cabinet plate 5 to repair the inner part of the outer cabinet 11, the smoke dust can influence the maintenance personnel to watch the condition in the outer cabinet 11, in order to enable the smoke dust to be quickly discharged out of the outer cabinet 11, magnets are fixed on the side walls between the air deflector 13 and the outer cabinet 11, when the electrical component 4 explodes and fires, the cotton wool 14 is blown by flame, one end of the air deflector 13 is adsorbed on the outer cabinet 11, at the moment, the air deflector 13 does not guide the air flow guided by the top baffle 24, the air flow moves towards the lower side of the outer cabinet 11 and leaves the outer cabinet 11 through the outer discharge port 15, in order to enable the smoke gas to be conveniently discharged out of the outer cabinet 11, and after the impact force in the elliptical protecting shell 21 is diffused into the outer cabinet 11, the side walls of the outer cabinet 11 are not damaged by impact force, an inner guide block 17 is fixed between two adjacent outer discharge ports 15 on the inner wall of the outer cabinet 11, the inner guide block 17 is triangular, the side wall of the outer cabinet 11 is reinforced through the triangular structure, the shock resistance of the side wall of the outer cabinet 11 is improved, an outer guide plate 16 which is arranged obliquely downwards is fixed on the outer discharge port 15 on the outer side of the outer cabinet 11, simultaneously, the adjacent opening area between the outer discharge port 15 and the inner side of the outer cabinet 11 is larger than the adjacent opening area between the outer discharge port 15 and the outer side of the outer cabinet 11, when the air flow or the impact force is discharged outwards, the triangular inner guide block 17 guides the air flow, the air flow leaves the outer cabinet 11 through the outer discharge port 15, the outer guide plate 16 guides the air flow passing through the outer discharge port 15 obliquely downwards, the inclined outer guide plate 16 also can prevent the external flue gas from entering the outer cabinet 11, when the impact force impacts the side wall of the outer cabinet 11, the inner guide block 17 reinforces the side wall of the outer cabinet 11, the side wall of the outer cabinet 11 is prevented from being deformed due to impact force, the deformation degree of the outer cabinet 11 is reduced, and the safety injury to nearby workers caused by the deformation of the outer cabinet 11 is avoided.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Pressure release formula cubical switchboard based on reposition of redundant personnel guide internal pressure self-adaptation, including outer cabinet (1) and cabinet board (5) of setting on outer cabinet (1), cabinet board (5) are shielded one side of outer cabinet (1), outer cabinet (1) inside is provided with mounting bracket (3), install a plurality of electrical components (4), its characterized in that on mounting bracket (3): the inside of outer cabinet (1) is provided with guard piece (2), mounting bracket (3) and a plurality of electrical components (4) all set up in the inside of guard piece (2), when electrical components (4) normal use, outer cabinet (1) is bloied heat dissipation to electrical components (4), when electrical components (4) appear the explosion condition, guard piece (2) carries out multidirectional dispersion with the impact force that electrical components (4) explode to at the in-process of dispersion impact force, weaken the impact force that electrical components (4) explode and produce, outer cabinet (1) guides the explosion impact force that guard piece (2) weakened.
2. The shunt-guided internal pressure-adaptive pressure relief type switch cabinet according to claim 1, wherein: the outer cabinet (1) comprises an outer cabinet body (11), one side of the outer cabinet body (11) is communicated with the outside, one side of the cabinet plate (5) is hinged to one side of the outer cabinet body (11) and the outside communication position, the position of the outer cabinet body (11) communicated with the outside is shielded by the cabinet plate (5), a fan (12) is mounted at the top of the outer cabinet body (11), and the fan (12) conveys air flow outside the outer cabinet body (11) towards the inside of the outer cabinet body (11).
3. The shunt-guided internal pressure-adaptive pressure relief type switch cabinet according to claim 2, wherein: a plurality of outer discharge openings (15) are formed in the left side wall and the right side wall of the outer cabinet body (11) from top to bottom, and the area of the through openings, close to the inside of the outer discharge openings (15) and the outer cabinet body (11), is larger than that of the through openings, close to the outside of the outer discharge openings (15) and the outer cabinet body (11).
4. The pressure-relief type switch cabinet based on shunt guiding internal pressure self-adaption according to claim 3, wherein: the protection piece (2) comprises an oval protection shell (21), the oval protection shell (21) is arranged inside the outer cabinet body (11), an outer protection frame (22) is arranged outside the oval protection shell (21), and a plurality of elastic components are arranged between the outer protection frame (22) and the oval protection shell (21).
5. The pressure relief type switch cabinet based on shunt guiding internal pressure adaptation according to claim 4, wherein: one side that cabinet board (5) was kept away from to oval protective housing (21) is fixed with back folded plate (26), back folded plate (26) are the ripple folded plate, mounting bracket (3) screw fixation is on back folded plate (26) when electrical component (4) explosion, back folded plate (26) block the impact force that electrical component (4) explosion produced.
6. The pressure relief type switch cabinet based on shunt guiding internal pressure adaptation according to claim 4, wherein: the bottom of outer protection frame (22) is fixed with picture peg (25), the top of outer protection frame (22) is fixed with top baffle (24), the upside of top baffle (24) is the arc, top baffle (24) set up the bottom at fan (12), picture peg (25) are pegged graft on the inside bottom lateral wall of outer cabinet body (11), the inside air current of outer cabinet body (11) is sent into to fan (12) is guided to the both sides of top baffle (24) by top baffle (24).
7. The shunt-guided internal pressure-adaptive pressure relief type switch cabinet according to claim 6, wherein: a plurality of air vents (27) are formed in the side wall of the elliptical protection shell (21), the air vents (27) are divided into outer guide openings and inner guide openings, the outer guide openings and the inner guide openings are arranged in a staggered mode, the area of the inner opening of the outer guide openings, which is close to the elliptical protection shell (21), is larger than that of the inner opening, which is far away from the elliptical protection shell (21), the area of the inner opening, which is far away from the elliptical protection shell (21), is larger than that of the inner opening, which is close to the elliptical protection shell (21), and the air flow guided by the top baffle (24) enters the elliptical protection shell (21) from the outer guide openings and the inner guide openings.
8. The pressure relief type switch cabinet based on shunt guiding internal pressure adaptation according to claim 4, wherein: the elastic component includes outer protruding post and the interior protruding post of fixing on outer protection frame (22) and outer protruding post corresponding respectively on oval protection shell (21) lateral wall, is fixed with spring (23) between outer protruding post and the interior protruding post, when oval protection shell (21) receives the impact force that electrical component (4) exploded produced, a plurality of spring (23) block oval protection shell (21) that receives impact and remove.
9. The pressure relief type switch cabinet based on shunt guiding internal pressure adaptation according to claim 4, wherein: the novel anti-theft cabinet is characterized in that air deflectors (13) are hinged to the left side and the right side, close to the top end, of the inner portion of the outer cabinet body (11), one end of each air deflector (13) is inclined towards the direction, close to the elliptical protecting shell (21), of each air deflector, cotton wool wires (14) fixed to the top of the outer cabinet body (11) are arranged on one side of each air deflector (13), the other ends of the cotton wool wires (14) are fixed to the air deflectors (13), and the inclined air deflectors (13) guide air flows guided by the top baffle plates (24) towards the direction, close to the elliptical protecting shell (21).
10. The shunt-guided internal pressure-adaptive-based pressure relief type switch cabinet according to claim 9, wherein: magnets are fixed on the side walls between the air deflector (13) and the outer cabinet body (11), and when the electric elements (4) explode and fire, the cotton knitting wool (14) is blown by flame, so that one end of the air deflector (13) is adsorbed on the outer cabinet body (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310604007.3A CN116646861B (en) | 2023-05-26 | 2023-05-26 | Pressure relief type switch cabinet based on shunt guiding internal pressure self-adaption |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310604007.3A CN116646861B (en) | 2023-05-26 | 2023-05-26 | Pressure relief type switch cabinet based on shunt guiding internal pressure self-adaption |
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| CN116646861B CN116646861B (en) | 2024-01-09 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453247A (en) * | 2017-10-11 | 2017-12-08 | 洛阳高昌机电科技有限公司 | A kind of Anti-explosion electric control cabinet with shock-absorbing function |
| CN108023296A (en) * | 2017-12-28 | 2018-05-11 | 安徽宏实光机电高科有限公司 | A kind of pressure relief apparatus of high voltage switch cabinet |
| CN110197996A (en) * | 2019-06-28 | 2019-09-03 | 江苏艮德电力设备有限公司 | A kind of pressure relief device applied to switchgear |
| CN217545369U (en) * | 2022-06-16 | 2022-10-04 | 常德市长胜开关制造有限公司 | Switch cabinet with pressure relief protection structure |
-
2023
- 2023-05-26 CN CN202310604007.3A patent/CN116646861B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453247A (en) * | 2017-10-11 | 2017-12-08 | 洛阳高昌机电科技有限公司 | A kind of Anti-explosion electric control cabinet with shock-absorbing function |
| CN108023296A (en) * | 2017-12-28 | 2018-05-11 | 安徽宏实光机电高科有限公司 | A kind of pressure relief apparatus of high voltage switch cabinet |
| CN110197996A (en) * | 2019-06-28 | 2019-09-03 | 江苏艮德电力设备有限公司 | A kind of pressure relief device applied to switchgear |
| CN217545369U (en) * | 2022-06-16 | 2022-10-04 | 常德市长胜开关制造有限公司 | Switch cabinet with pressure relief protection structure |
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| CN116646861B (en) | 2024-01-09 |
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Effective date of registration: 20231219 Address after: 530299 No. 106, Liangcun Avenue, Yongning District, Nanning City, Guangxi Zhuang Autonomous Region Applicant after: Guangxi South Asia Electrical Appliances Co.,Ltd. Address before: 528234 Road section of Renhe Village, Yanfeng Avenue, Shishan Town, Nanhai District, Foshan City, Guangdong Province (soil name: No. 1 Mangshujiao East) Applicant before: Foshan Nanhai Keli Hydraulic machinery Manufacturing Co.,Ltd. |
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