CN116417919A - Insulating high-voltage board that contains seal structure - Google Patents
Insulating high-voltage board that contains seal structure Download PDFInfo
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- CN116417919A CN116417919A CN202310242797.5A CN202310242797A CN116417919A CN 116417919 A CN116417919 A CN 116417919A CN 202310242797 A CN202310242797 A CN 202310242797A CN 116417919 A CN116417919 A CN 116417919A
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- cabinet body
- cabinet
- fixedly connected
- voltage
- board
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- 238000007789 sealing Methods 0.000 claims abstract description 62
- 239000003063 flame retardant Substances 0.000 claims abstract description 39
- 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 claims abstract description 27
- 239000000428 dust Substances 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 3
- 244000309464 bull Species 0.000 claims 2
- 238000009423 ventilation Methods 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- 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
-
- 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
-
- 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
- H02B1/38—Hinged covers or doors
-
- 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)
- Casings For Electric Apparatus (AREA)
Abstract
The invention belongs to the technical field of power equipment, in particular to an insulating high-voltage cabinet with a sealing structure, aiming at incomplete sealing performance and low safety performance of the high-voltage cabinet, the invention provides a scheme which comprises a cabinet body, wherein the cabinet body comprises a top box and a bottom box, sealing components are arranged on the top box and the bottom box, each sealing component comprises an inner plate and a plurality of movable sealing plates, rectangular ventilation grooves are formed in the inner plate, the movable sealing plates are distributed at equal intervals in the ventilation grooves, and round holes are formed in the movable sealing plates. According to the insulating high-voltage cabinet with the sealing structure, the sealing and opening operations of the cabinet body can be performed intermittently, normal circulation of air in the cabinet body can be guaranteed when the insulating high-voltage cabinet is opened, heat dissipation in the cabinet body is guaranteed, a closed space in the cabinet body can be manufactured when the insulating high-voltage cabinet is closed, and therefore when open fire state is caused by short circuit in the cabinet body, the entering of external air is prevented, and a flame-retardant effect is achieved.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an insulating high-voltage cabinet with a sealing structure.
Background
The high-low voltage switch cabinet is the equipment for connecting high-voltage or low-voltage cables, the high-voltage cabinet is used for power supply offices and power substations, then the voltage is reduced by a transformer and then the low-voltage cabinet is connected to each power distribution box, and the protection devices such as switch breakers and the like are not assembled into integrated electrical equipment.
The normal heat dissipation of the internal power equipment needs to be guaranteed in the use process of the high-voltage cabinet, and a semi-closed structure is often adopted, so that the tightness of the high-voltage cabinet is incomplete, and the safety performance is not high.
Disclosure of Invention
The invention discloses an insulating high-voltage cabinet with a sealing structure, and aims to solve the technical problems of incomplete sealing performance and low safety performance of the high-voltage cabinet in the background technology.
The invention provides an insulating high-voltage cabinet with a sealing structure, which comprises a cabinet body, wherein the cabinet body comprises a top box and a bottom box, sealing assemblies are arranged on the top box and the bottom box, each sealing assembly comprises an inner plate and a plurality of movable sealing plates, rectangular ventilation grooves are formed in the inner plate, the movable sealing plates are located in the ventilation grooves and are distributed at equal intervals, round holes are formed in the movable sealing plates, rotating rods are fixedly connected in the round holes, the other ends of the rotating rods penetrate through one side plate wall of the movable sealing plates and are fixedly connected with deflection angle shifting sheets, transverse plates are arranged on one sides, close to the inner wall of the cabinet body, of the inner plates, a plurality of equidistant connecting frames are fixedly connected on one sides, close to the deflection angle shifting sheets, of the upper transverse plate and the lower transverse plates, force applying wheels are movably connected to the connecting frames, and the force applying wheels are respectively contacted with the deflection angle shifting sheets.
Through being provided with seal assembly, utilize seal assembly can be interrupted carry out the sealed of the cabinet body and open the operation, can guarantee the normal circulation of the internal air of cabinet when opening to guarantee the internal heat dissipation of cabinet, then can make the internal enclosure space of cabinet when sealed, thereby when the internal short circuit of cabinet appears causing open fire state, hinder the entering of outside air, play fire-retardant effect.
In a preferred scheme, one side, close to the inner wall of the cabinet body, of each transverse plate is fixedly connected with a back plate, the upper back plate and the lower back plate are fixedly connected with the same bracket, a rectangular cavity is formed in the cabinet body, and the back plates are located in the rectangular cavity; two symmetrical round holes are formed in the support, sliding rods are movably connected to the inner portions of the two round holes, two ends of the two sliding rods are fixedly connected to the inner portion of the rectangular cavity of the cabinet body respectively, a connecting seat is fixedly connected to the support, a reversing motor is fixedly connected to the inner portion of the cabinet body, the output end of the reversing motor is connected with a screw rod through a coupling, a threaded hole is formed in the connecting seat, and the screw rod is located in the threaded hole and connected through inner wall threads.
The reversing motor and the backboard are arranged, and the timing switch is matched on the reversing motor, so that the running interval of the reversing motor can be freely regulated and controlled; the upper transverse plate and the lower transverse plate are driven by a reversing motor, so that the upper sealing assembly and the lower sealing assembly can be guaranteed to be identical in closing state.
In a preferred scheme, the top of the cabinet body is provided with an air inlet hole, the air inlet hole is positioned at the upper side of the top box, the outer side of the air inlet hole is fixedly connected with a dust screen, the cabinet body is rotatably connected with a cabinet door through a hinge, and a sealing strip is arranged between the cabinet door and the cabinet body; an upper cavity and a lower cavity are arranged in the cabinet body, the upper cavity and the lower cavity are positioned between the top box and the bottom box, two symmetrical circulating air boxes are fixedly connected in the cabinet body, and the two circulating air boxes are respectively positioned at two sides of the upper cavity and the lower cavity; two symmetrical rectangular holes are formed in the cabinet body, the two rectangular holes are located on two sides of the top box, exhaust ports are formed in the top ends of the two circulating air boxes and fixedly connected with the inner walls of the two rectangular holes respectively, exhaust fans are arranged in the two exhaust ports, and grid nets are fixedly connected to the outer parts of the two exhaust ports; the inside of end box is provided with the air cavity, and the bottom of two circulation gas boxes all is provided with the air inlet, and two air inlets all are located the inside of air cavity and are symmetrical distribution.
Through being provided with the upper cavity, the lower cavity, the circulating air box and the air cavity, a U-shaped air circulation path is formed in the cabinet body by utilizing the circulating air box, heat generated by power equipment in the cabinet body can be taken away when air passes through the upper cavity and the lower cavity, auxiliary dehumidification can be carried out by circulating in the air cavity (the air cavity is positioned at the bottommost end of the cabinet body and is easily interfered by external environment in the long-term use process, and the condition of internal moisture regain occurs), so that the short circuit of the internal power equipment caused by excessive moisture in the cabinet body is avoided; the dust screen can prevent dust from entering, so that dust is prevented from entering the inner part of the cabinet body along with air flow to cause dust accumulation on the surface of equipment, and normal heat dissipation of the equipment is affected and short circuit risks are avoided; the grid net plays a role in protecting, and avoids potential safety hazards caused by external flying insects and small animals entering the cabinet body
In a preferred scheme, a partition plate is arranged between the upper chamber and the lower chamber, the partition plate is fixedly connected with the inside of the cabinet body, and a flame-retardant assembly is arranged on the partition plate; the flame-retardant assembly comprises a plurality of flame-retardant sheets, the interlayer plate is a hollow rectangular frame, a plurality of equidistant empty frames are arranged on the interlayer plate, and the flame-retardant sheets are obliquely arranged right above the empty frames; a plurality of all seted up the round hole on the fire-retardant piece, the equal fixedly connected with pivot of inside of round hole, the both ends of pivot and the equal swing joint of both sides inner wall of division board, and the top of a plurality of fire-retardant pieces all is provided with aggravates the head, and the lower extreme of a plurality of fire-retardant pieces all is provided with inflammable plastic seat, inflammable plastic seat between fire-retardant piece and the empty frame.
Through being provided with fire-retardant subassembly, utilize fire-retardant subassembly can go up the cavity and the operation of separating of cavity down when the internal open flame that takes place of cabinet, can melt fast after the inflammable plastic seat is heated, fire-retardant piece can cover the clearance between the empty frame, effectively prevents the interference of open flame to adjacent cavity, reduction equipment risk.
Therefore, the insulating high-voltage cabinet with the sealing structure provided by the invention has the advantages that sealing and opening operations of the cabinet body can be intermittently performed, normal circulation of air in the cabinet body can be ensured during opening, heat dissipation in the cabinet body is ensured, and an enclosed space in the cabinet body can be manufactured during closing, so that when open fire state is caused by short circuit in the cabinet body, the entrance of external air is blocked, and a flame retardant effect is achieved.
Drawings
FIG. 1 is a schematic diagram of the whole structure of an insulating high-voltage cabinet with a sealing structure;
FIG. 2 is a schematic diagram of an inner panel structure of an insulated high-voltage cabinet with a sealing structure according to the present invention;
FIG. 3 is a schematic diagram of a sealing assembly of an insulated high-voltage cabinet with a sealing structure according to the present invention;
FIG. 4 is a schematic diagram of a cross-sectional structure of a cabinet body of an insulating high-voltage cabinet with a sealing structure according to the present invention;
fig. 5 is a schematic structural diagram of a top box of an insulating high-voltage cabinet with a sealing structure according to the present invention;
fig. 6 is a schematic diagram of a bottom box structure of an insulating high-voltage cabinet with a sealing structure according to the present invention;
fig. 7 is a schematic diagram of a partition board structure of an insulating high-voltage cabinet with a sealing structure according to the present invention.
In the figure: 1. a cabinet body; 2. a top box; 3. a bottom box; 4. a seal assembly; 401. an inner plate; 402. a ventilation groove; 403. a movable sealing plate; 404. a rotating rod; 405. deflection angle shifting piece; 406. a cross plate; 407. a connecting frame; 408. a force application wheel; 5. a back plate; 6. a bracket; 7. a slide bar; 8. a connecting seat; 9. a reversing motor; 10. a screw rod; 11. an air inlet hole; 12. a dust screen; 13. a cabinet door; 14. an upper chamber; 15. a lower chamber; 16. a circulation gas box; 17. an exhaust port; 18. an exhaust fan; 19. a grid mesh; 20. an air cavity; 21. an air inlet; 22. a separator plate; 23. a flame retardant assembly; 2301. an empty frame; 2302. a flame retardant sheet; 2303. a rotating shaft; 2304. a weighting head; 2305. a flammable plastic seat.
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.
The invention discloses an insulating high-voltage cabinet with a sealing structure, which is mainly applied to a scene with incomplete sealing performance of the high-voltage cabinet.
Referring to fig. 1-3, an insulating high-voltage board with a sealing structure comprises a board body 1, the board body 1 comprises a top box 2 and a bottom box 3, the top box 2 and the bottom box 3 are respectively provided with a sealing component 4, the sealing component 4 comprises an inner plate 401 and a plurality of movable sealing plates 403, rectangular ventilation grooves 402 are formed in the inner plate 401, the movable sealing plates 403 are distributed at equal intervals in the ventilation grooves 402, round holes are formed in the movable sealing plates 403, a rotating rod 404 is connected with the round holes through bolts, the other ends of the rotating rods 404 penetrate through a side plate wall of the movable sealing plates 403 to be connected with deflection angle shifting plates 405 through bolts, one sides, close to the inner wall of the board body 1, of the two inner plates 401 are respectively provided with transverse plates 406, one sides, close to the deflection angle shifting plates 405, of the upper transverse plates 406 are respectively connected with a plurality of equidistant connecting frames 407 through bolts, force applying wheels 408 are respectively connected to the plurality of deflection angle shifting plates 405 through bearings in the connecting frames 407.
Specifically, in the use process of the high-voltage cabinet, the sealing assembly 4 is in an intermittent operation state, and the operation process is as follows: the transverse plate 406 moves transversely after being stressed, a force application wheel 408 on the connecting frame 407 is always in contact with the deflection angle shifting sheet 405 in the moving process, and the transverse plate 406 drives the movable sealing plate 403 to deflect in the transverse reciprocating process, so that the movable sealing plate 403 is closed and opened;
in specific application scenario, seal assembly 4 is applicable to the inside seal of cabinet body 1 and open the link, utilizes seal assembly 4 can be interrupted to carry out the sealed of cabinet body 1 and open the operation promptly, can guarantee the normal circulation of cabinet body 1 inside air when opening to guarantee the inside heat dissipation of cabinet body 1, then can make cabinet body 1 inside enclosure space when sealed, thereby when the internal short circuit of appearance cabinet body 1 causes the open flame state, hinder the entering of outside air, play fire-retardant effect.
Referring to fig. 1, 2 and 4, one side, close to the inner wall of the cabinet body 1, of the two transverse plates 406 is connected with a back plate 5 through bolts, the upper back plate 5 and the lower back plate 5 are connected with the same bracket 6 through bolts, a rectangular cavity is formed in the cabinet body 1, and the back plate 5 is positioned in the rectangular cavity; two symmetrical round holes are formed in the support 6, the sliding rods 7 are inserted into the two round holes, two ends of the two sliding rods 7 are connected with the inside of the rectangular cavity of the cabinet body 1 through bolts respectively, the support 6 is connected with the connecting seat 8 through bolts, the inside of the cabinet body 1 is connected with the reversing motor 9 through bolts, the output end of the reversing motor 9 is connected with the screw rod 10 through a coupling, a threaded hole is formed in the connecting seat 8, and the screw rod 10 is located in the threaded hole and connected through inner wall threads in a rotating mode.
Specifically, a timing switch is matched on the reversing motor 9 (the running interval of the reversing motor 9 can be freely regulated and controlled), the screw rod 10 is driven to rotate when the reversing motor 9 is started, the screw rod 10 is meshed with the inner wall threads in the connecting seat 8 to drive the bracket 6 to integrally transversely move, and therefore the transverse plate 406 is stressed; the upper and lower cross plates 406 are driven by a reversing motor 9 to ensure that the upper and lower seal assemblies 4 are in the same closed state.
Referring to fig. 1, 5 and 6, an air inlet 11 is formed in the top of the cabinet body 1, the air inlet 11 is located on the upper side of the top box 2, a dust screen 12 is connected to the outer side of the air inlet 11 through bolts, a cabinet door 13 is rotatably connected to the cabinet body 1 through a hinge, and a sealing strip is arranged between the cabinet door 13 and the cabinet body 1; an upper chamber 14 and a lower chamber 15 are arranged in the cabinet body 1, the upper chamber 14 and the lower chamber 15 are positioned between the top box 2 and the bottom box 3, two symmetrical circulating air boxes 16 are connected in the cabinet body 1 through bolts, and the two circulating air boxes 16 are respectively positioned on two sides of the upper chamber 14 and the lower chamber 15; two symmetrical rectangular holes are formed in the cabinet body 1, the two rectangular holes are located on two sides of the top box 2, exhaust ports 17 are formed in the top ends of the two circulating air boxes 16, the two exhaust ports 17 are connected with the inner walls of the two rectangular holes through bolts respectively, exhaust fans 18 are arranged in the two exhaust ports 17, and grid nets 19 are connected to the outer parts of the two exhaust ports 17 through bolts; the bottom box 3 is internally provided with an air cavity 20, the bottom ends of the two circulating air boxes 16 are respectively provided with an air inlet 21, and the two air inlets 21 are respectively positioned in the air cavity 20 and symmetrically distributed.
Specifically, when the sealing assembly 4 is in the open state, the air in the cabinet body 1 circulates normally, and at this time, the exhaust fans at the two exhaust ports 17 are in the working state, and the ventilation of the air in the cabinet body 1 is as follows: air enters from an air inlet hole 11 at the top of the cabinet body 1, enters an air cavity 20 through an upper cavity 14 and a lower cavity 15, flows from a circulating air box 16 with the aid of an exhaust fan, and is finally discharged from an exhaust port 17; the circulating air box 16 is utilized to form a U-shaped air circulation path in the cabinet body 1, heat generated by power equipment in the cabinet body 1 can be taken away when air passes through the upper cavity 14 and the lower cavity 15, and then auxiliary dehumidification can be carried out by circulating in the air cavity 20 (the air cavity 20 is positioned at the lowest end of the cabinet body 1 and is easily interfered by external environment in the long-term use process, so that the condition of internal moisture regain occurs), and the phenomenon of short circuit of the internal power equipment caused by excessive moisture in the cabinet body 1 is avoided; the dust screen 12 can prevent dust from entering the cabinet body 1, so that dust accumulation on the surface of equipment caused by the fact that the dust enters the cabinet body along with air flow is avoided, and normal heat dissipation of the equipment is affected, and short circuit risks are avoided; the grid 19 plays a role in protecting against the potential safety hazard caused by external flying insects and small animals entering the cabinet 1.
Referring to fig. 1 and 7, a barrier plate 22 is provided between the upper chamber 14 and the lower chamber 15, the barrier plate 22 is connected with the inside of the cabinet 1 by bolts, and a flame retardant assembly 23 is provided on the barrier plate 22; the flame retardant assembly 23 comprises a plurality of flame retardant sheets 2302, the interlayer plate 22 is a hollow rectangular frame, a plurality of equidistant empty frames 2301 are arranged on the interlayer plate 22, and the plurality of flame retardant sheets 2302 are obliquely arranged right above the plurality of empty frames 2301; round holes are formed in the flame retardant sheets 2302, rotating shafts 2303 are connected to the inside of the round holes through bolts, two ends of the rotating shafts 2303 are connected with inner walls of two sides of the interlayer plate 22 through bearings in a rotating mode, weighting heads 2304 are arranged at the top ends of the flame retardant sheets 2302, flammable plastic seats 2305 are arranged at the lower ends of the flame retardant sheets 2302, and the flammable plastic seats 2305 are located between the flame retardant sheets 2302 and the empty frames 2301.
Specifically, when an open fire occurs in the short circuit, the interlayer plate 22 blocks the upper chamber 14 and the lower chamber 15 (after the open fire occurs, flame is baked on the interlayer plate 22, the flammable plastic seat 2305 is heated and quickly melted, the flame retardant sheet 2302 loses bottom support, and due to the inclined arrangement, the gap between the empty frames 2301 is covered by the gravity of the weighting head 2304, so that the open fire is blocked from entering the adjacent chambers).
In specific application scenario, fire-retardant subassembly 23 is applicable to the separation link that produces the open flame after the internal short circuit of cabinet body 1 takes place, utilizes fire-retardant subassembly 23 can go on the operation of separating of cavity 14 and lower cavity 15 when the internal open flame of cabinet, and inflammable plastic seat 2305 can melt fast after being heated, and fire-retardant piece 2302 can cover the clearance between empty frame 2301, effectively prevents the interference of open flame to adjacent cavity, reduces equipment risk.
Working principle: in the use process of the high-voltage cabinet, the sealing assembly 4 is in an intermittent operation state, and the operation process is as follows: a timing switch (capable of freely regulating and controlling the running interval of the reversing motor 9) is matched on the reversing motor 9, when the reversing motor 9 is started, the screw rod 10 is driven to rotate, the screw rod 10 is meshed with the inner wall threads in the connecting seat 8 to drive the bracket 6 to integrally transversely move, so that the transverse plate 406 is stressed to transversely move, a force application wheel 408 on the connecting frame 407 is always contacted with the deflection pulling piece 405 in the moving process, and the transverse plate 406 drives the movable sealing plate 403 to deflect in the transverse reciprocating process, so that the movable sealing plate 403 is closed and opened; when the sealing assembly 4 is in an open state, air in the cabinet body 1 circulates normally, and at the moment, the exhaust fans at the two exhaust ports 17 are in a working state, and the ventilation of the air in the cabinet body 1 is as follows: air enters from an air inlet hole 11 at the top of the cabinet body 1, enters an air cavity 20 through an upper cavity 14 and a lower cavity 15, flows from a circulating air box 16 with the aid of an exhaust fan, and is finally discharged from an exhaust port 17;
when an open fire occurs in the short circuit, the interlayer plate 22 blocks the upper chamber 14 and the lower chamber 15 (after the open fire occurs, flame is roasted on the interlayer plate 22, the inflammable plastic seat 2305 is heated and then quickly melted, the flame retardant sheet 2302 loses bottom support, and due to the inclined arrangement, the flame retardant sheet overturns to cover the gap between the empty frames 2301 under the gravity action of the weighting head 2304, so that the open fire is prevented from entering the adjacent chambers).
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides an insulating high-voltage board that contains seal structure, includes cabinet body (1), its characterized in that, cabinet body (1) includes top box (2) and end box (3), and all is provided with seal assembly (4) on top box (2) and the end box (3), seal assembly (4) are including interior board (401) and a plurality of movable shrouding (403), and set up rectangular ventilative groove (402) on interior board (401), a plurality of movable shrouding (403) are located the inside of ventilative groove (402) and are the equidistance and distribute, a plurality of round hole has all been seted up on movable shrouding (403), the inside of round hole all fixedly connected with bull stick (404), and one side board wall fixedly connected with deflection plectrum (405) that just the other end of bull stick (404) all passed movable shrouding (403), two one side that is close to cabinet body (1) inner wall on interior board (401) all is provided with diaphragm (406), and two upper and lower diaphragm (406) are close to one side of deflection plectrum all fixedly connected with a plurality of equidistant link (407), a plurality of link (408) and a plurality of force application wheel (408) are connected with respectively with a plurality of force application wheel (408).
2. The insulating high-voltage cabinet with the sealing structure according to claim 1, wherein the two transverse plates (406) are fixedly connected with the back plates (5) on one side, close to the inner wall of the cabinet body (1), of the two transverse plates, the upper back plate (5) and the lower back plate (5) are fixedly connected with the same support (6), rectangular cavities are formed in the cabinet body (1), and the back plates (5) are located in the rectangular cavities.
3. The insulation high-voltage board with the sealing structure according to claim 2, characterized in that two symmetrical round holes are formed in the support (6), sliding rods (7) are movably connected to the inside of the two round holes, two ends of the two sliding rods (7) are fixedly connected with the inside of the rectangular cavity of the cabinet body (1) respectively, a connecting seat (8) is fixedly connected to the support (6), a reversing motor (9) is fixedly connected to the inside of the cabinet body (1), a screw rod (10) is connected to the output end of the reversing motor (9) through a coupler, a threaded hole is formed in the connecting seat (8), and the screw rod (10) is located in the threaded hole and is in threaded connection through the inner wall.
4. The insulation high-voltage cabinet with the sealing structure according to claim 1, wherein an air inlet hole (11) is formed in the top of the cabinet body (1), the air inlet hole (11) is located on the upper side of the top box (2), a dust screen (12) is fixedly connected to the outer side of the air inlet hole (11), a cabinet door (13) is rotatably connected to the cabinet body (1) through a hinge, and a sealing strip is arranged between the cabinet door (13) and the cabinet body (1).
5. The insulating high-voltage board with the sealing structure according to claim 4, wherein an upper chamber (14) and a lower chamber (15) are arranged in the cabinet body (1), the upper chamber (14) and the lower chamber (15) are positioned between the top box (2) and the bottom box (3), two symmetrical circulating gas boxes (16) are fixedly connected in the cabinet body (1), and the two circulating gas boxes (16) are respectively positioned on two sides of the upper chamber (14) and the lower chamber (15).
6. The insulating high-voltage board with the sealing structure according to claim 5, characterized in that two symmetrical rectangular holes are formed in the board body (1), the two rectangular holes are located on two sides of the top box (2), exhaust ports (17) are formed in the top ends of the two circulating air boxes (16), the two exhaust ports (17) are fixedly connected with the inner walls of the two rectangular holes respectively, exhaust fans (18) are arranged in the two exhaust ports (17), and grid nets (19) are fixedly connected to the outer portions of the two exhaust ports (17).
7. The insulating high-voltage cabinet with the sealing structure according to claim 5, wherein an air cavity (20) is arranged in the bottom box (3), air inlets (21) are formed in the bottom ends of the two circulating air boxes (16), and the two air inlets (21) are symmetrically distributed in the air cavity (20).
8. An insulating high-voltage board with a sealing structure according to claim 5, characterized in that a partition board (22) is arranged between the upper chamber (14) and the lower chamber (15), the partition board (22) is fixedly connected with the inside of the cabinet body (1), and a flame retardant component (23) is arranged on the partition board (22).
9. The insulating high-voltage cabinet with the sealing structure according to claim 8, wherein the flame retardant assembly (23) comprises a plurality of flame retardant sheets (2302), the interlayer plate (22) is a hollow rectangular frame, a plurality of equidistant empty frames (2301) are arranged on the interlayer plate (22), and the plurality of flame retardant sheets (2302) are all arranged right above the plurality of empty frames (2301) in an inclined manner.
10. The insulating high-voltage board with the sealing structure according to claim 9, wherein a plurality of flame retardant sheets (2302) are provided with round holes, rotating shafts (2303) are fixedly connected to the inside of the round holes, two ends of the rotating shafts (2303) are movably connected with inner walls of two sides of the interlayer board (22), weighting heads (2304) are arranged at the top ends of the flame retardant sheets (2302), flammable plastic seats (2305) are arranged at the lower ends of the flame retardant sheets (2302), and the flammable plastic seats (2305) are located between the flame retardant sheets (2302) and the empty frames (2301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310242797.5A CN116417919B (en) | 2023-03-14 | 2023-03-14 | Insulating high-voltage board that contains seal structure |
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