CN116960795A - High-voltage switch cabinet and application method thereof - Google Patents
High-voltage switch cabinet and application method thereof Download PDFInfo
- Publication number
- CN116960795A CN116960795A CN202310676646.0A CN202310676646A CN116960795A CN 116960795 A CN116960795 A CN 116960795A CN 202310676646 A CN202310676646 A CN 202310676646A CN 116960795 A CN116960795 A CN 116960795A
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- cabinet body
- rod
- rectangular frame
- hinged
- telescopic rod
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000017525 heat dissipation Effects 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 32
- 238000009423 ventilation Methods 0.000 claims description 15
- 238000013016 damping Methods 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 8
- 229910003460 diamond Inorganic materials 0.000 claims description 7
- 239000010432 diamond Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000005484 gravity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process 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
- 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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- 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
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the field of switch cabinets. The invention discloses a high-voltage switch cabinet and a use method thereof, and aims to solve the problem that more heat still remains in the high-voltage switch cabinet and is difficult to rapidly dissipate due to the fact that a pressure release plate is used for releasing pressure. The invention consists of a deflection heat dissipation mechanism and a folding mechanism. According to the high-voltage switch cabinet and the use method thereof, the cabinet body drives the worm to rotate through the motor inside the cabinet body, the fan blades are driven to rotate for exhausting, exhausting and cooling are carried out on parts in the cabinet body, and when the worm rotates, the worm drives the worm wheel to rotate so as to drive one end of the hinging rod to deflect, so that the worm drives the fan blades to do longitudinal swinging motion when rotating by taking the connecting point of the connecting rod and the T-shaped rod as the circle center, the area of the fan blades for sucking gas in the cabinet body is increased, and the cabinet body is better used for sucking the gas in the cabinet body.
Description
Technical Field
The invention relates to the field of switch cabinets, in particular to a high-voltage switch cabinet and a use method thereof.
Background
Short-circuit faults generated in the switch cabinet can generate tens of thousands of amperes of short-circuit current, high-temperature and high-pressure gas can be generated instantaneously, and if the fault gas flow cannot be effectively released in a short time, the explosion of the switch cabinet is easily caused, so that the pressure release of the switch cabinet is one item which must be considered in the design of the switch cabinet.
When the existing high-voltage switch cabinet is used for pressure relief, most of air flows are discharged through opening the pressure relief plate, but when high-temperature and high-pressure air is generated in the high-voltage switch cabinet, the temperature in the high-voltage switch cabinet is high, only the pressure relief plate is used for pressure relief, more heat still remains in the high-voltage switch cabinet, the heat is difficult to quickly dissipate, and the service life of parts in the high-voltage switch cabinet is influenced.
Disclosure of Invention
The invention aims to provide a high-voltage switch cabinet and a use method thereof, which are used for solving the problems that in the background art, the pressure is released through a pressure release plate, more heat still remains in the high-voltage switch cabinet, and the quick dissipation is difficult. In order to achieve the above purpose, the present invention provides the following technical solutions: the high-voltage switch cabinet comprises a cabinet body, wherein an air vent groove is formed in the side face of the cabinet body, limiting vertical grooves are formed in the front side and the rear side of the inner wall of the air vent groove, a deflection heat dissipation mechanism is connected in the limiting vertical grooves in a sliding mode, sliding grooves are formed in the front side and the rear side of the inner wall of the air vent groove, a folding mechanism is arranged in each sliding groove, and the folding mechanism is hinged to the deflection heat dissipation mechanism;
an opening is formed in the inner wall of the cabinet body, and a pressure release mechanism is arranged in the opening.
Preferably, the deflection heat dissipation mechanism comprises an H-shaped sliding block which is slidingly connected in a limiting vertical groove, a connecting rod is fixedly connected to the H-shaped sliding block, one end of the connecting rod, which is far away from the H-shaped sliding block, is hinged with a T-shaped rod, the lower end of the T-shaped rod is fixedly connected with a fixing sleeve, the end face of the fixing sleeve is fixedly connected with a motor, one end of a motor rotating shaft penetrates through the fixing sleeve and is fixedly connected with a worm, the side face of the worm is meshed with a worm wheel, the rear end of a worm wheel central shaft is rotatably connected to one end of a cross rod of the T-shaped rod, the front end of the worm wheel central shaft is fixedly connected with a hinging rod, and one end of the hinging rod, which is far away from the worm wheel, is hinged to the cross rod in the middle of the H-shaped sliding block;
and one end of the hinging rod is fixedly sleeved with a fan blade.
Preferably, the folding mechanism comprises two hinge plates which are distributed in a staggered manner, the two hinge plates are hinged with each other, extension blocks are fixedly connected to two ends of the two hinge plates, four power plates are abutted on the outer side of the cabinet body, the uppermost power plate is hinged to the upper end of the uppermost hinge plate, the remaining three power plates are fixedly connected with the remaining three end parts of the two hinge plates respectively, connecting rods are hinged to the two power plates in the middle, and one ends of the connecting rods, far away from the power plates, are hinged to the two hinge plates respectively;
the connecting part of the extension block and the hinged plate is penetrated by a round rod, two ends of the round rod are respectively lapped in the two sliding grooves, the extension block at the uppermost side is hinged on the upper side of the inner wall of the ventilation groove, the power plate at the uppermost side is hinged with a V-shaped hinging rod, one end of the V-shaped hinging rod, which is far away from the power plate, is hinged on the hinged plate at the upper side, and two ends of the hinged part of the V-shaped hinging rod are slidably connected in the sliding grooves;
and the lowest side of the extension block is hinged with a linkage rod, and the bottom end of the linkage rod is hinged on the H-shaped sliding block.
Preferably, the pressure release mechanism comprises a fixed frame fixed in the opening, a rectangular frame is arranged in the fixed frame, a damping spring telescopic rod is fixedly connected to the end face of the rectangular frame, and one end, far away from the rectangular frame, of the damping spring telescopic rod is fixed on the inner wall of the fixed frame;
the inner wall of the rectangular frame is hinged with a deflection plate, one end, far away from the rectangular frame, of the deflection plate is hinged with a sealing plate, two sides of the sealing plate are fixedly connected with sliding blocks, the two sliding blocks are respectively and slidably connected in rectangular grooves formed in the front side and the rear side of the inner wall of the rectangular frame, the deflection plate is hinged with a second spring telescopic rod, and one end, far away from the deflection plate, of the second spring telescopic rod is hinged on the inner wall of the rectangular frame;
the two sides of the front and rear of the sealing plate are respectively provided with a slot, a first spring telescopic rod is movably inserted in each slot, the two ends of each first spring telescopic rod are inclined planes, one end of each first spring telescopic rod, which is far away from each slot, extends to the outer side of the rectangular frame and is movably sleeved with a reset spring, one end of each reset spring is fixedly connected to the side face of each first spring telescopic rod, and the other end of each reset spring is fixed to the outer side of the rectangular frame;
the one end that the slot was kept away from to first spring telescopic link is contradicted and is had the inclined plane piece, and the inclined plane piece is fixed on the open-ended inner wall.
Preferably, a rectangular groove is formed in the left side of the rectangular frame, and the rectangular frame is inserted into the inner wall of the fixed frame through the rectangular groove.
Preferably, the upper part of the sealing plate is fixedly connected with a balancing weight.
Preferably, magnets are fixedly connected to the upper side of the inner wall of the rectangular frame and the side face of the deflection plate, and the two magnets are attracted.
Preferably, the method for using the high-voltage switch cabinet comprises the following steps:
s1: the cabinet body drives the worm to rotate through the motor in the cabinet body, so that the fan blades are driven to rotate for exhausting, the parts in the cabinet body are exhausted for reducing the temperature, and when the worm rotates, the worm wheel is driven to rotate so as to drive one end of the hinging rod to deflect, so that the worm drives the fan blades to do longitudinal swinging motion when rotating by taking the connecting point of the connecting rod and the T-shaped rod as the circle center, the area of the fan blades for sucking gas in the cabinet body is increased, and the cabinet body can better suck the gas in the cabinet body;
s2: when the cabinet body is internally short-circuited, the air pressure in the cabinet body is increased, the cabinet body is poured out of the cabinet body through the ventilation groove, if the air pressure is larger, when the air flow is discharged from the ventilation groove, the power plate is driven to deflect by applying blowing force, as the two hinged plates and the two connecting rods form a diamond folding frame structure, the round rod slides in the sliding groove, when the power plate deflects, the round rod can drive the diamond folding frame structure to fold, the air outlet quantity of the ventilation groove is increased, the linkage rod drives the H-shaped sliding block to slide upwards in the limiting vertical groove, the motor and the fan blade on the H-shaped sliding block can exhaust and cool the interior of the cabinet body longitudinally, so that heat dissipation in the cabinet body is accelerated, and when the air pressure in the cabinet body is gradually normal, the air of the cabinet body is swung downwards in the limiting vertical groove by the gravity of the H-shaped sliding block, and discharged for the second time in the longitudinal direction, so that the effect of cooling the cabinet body by the fan blade is ensured;
if the air pressure in the cabinet body is overlarge, and after the power plate is deflected and opened, the rectangular frame is pressed to the outer side of the upper opening of the cabinet body by the air pressure, the damping spring telescopic rod stretches to enable the rectangular frame to be separated from the fixed frame, the pressure is released through a gap between the rectangular frame and the fixed frame, when the rectangular frame slides, one end of the first spring telescopic rod is separated from the inclined plane block, the reset spring pulls one end of the first spring telescopic rod to be separated from the slot, at the moment, the sealing plate receives the air pressure to deflect to drive the sliding block to slide upwards and deflect in the rectangular slot, the sealing state of the sealing plate on the rectangular frame is relieved, and the rapidness and smoothness of the pressure release of the cabinet body are ensured;
s3: after the pressure release of the cabinet body is finished, the deflection plate pulls the sealing plate to deflect and reset under the action of the second spring telescopic rod, and the sealing plate is adsorbed to two magnets on the side surfaces of the rectangular frame and the deflection plate, so that the smoothness and the tightness of the reset of the sealing plate are guaranteed, then the damping spring telescopic rod slowly contracts, the rectangular frame is pulled to be in contact with the fixed frame in a abutting mode, the tightness between the rectangular frame and the fixed frame is guaranteed, and one end of the first spring telescopic rod is pulled to be in contact with the inclined plane block again when the rectangular frame is reset, and the stability between the rectangular frame and the deflection plate is guaranteed when one end of the first spring telescopic rod is inserted into the slot.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the cabinet body drives the worm to rotate through the motor in the cabinet body, so that the fan blade rotates to exhaust, exhaust and cool parts in the cabinet body, and when the worm rotates, the worm drives the worm wheel to rotate so as to drive one end of the hinge rod to deflect, so that the worm drives the fan blade to do longitudinal swinging motion when rotating by taking the connecting point of the connecting rod and the T-shaped rod as the center of a circle, the area of the fan blade for sucking gas in the cabinet body is increased, and the cabinet body can better suck the gas in the cabinet body.
When the short circuit is generated in the cabinet body, the air pressure in the cabinet body is increased, the cabinet body is poured to the outside through the ventilation groove, if the air pressure is larger, the air flow is discharged from the ventilation groove, the power plate is driven to deflect by blowing force, the power plate can drive the diamond folding frame to fold when the power plate deflects, the linkage rod drives the H-shaped sliding block to slide upwards in the limiting vertical groove when the air outlet amount of the ventilation groove is increased, the motor and the fan blade on the H-shaped sliding block longitudinally exhaust and cool the inside of the cabinet body, heat dissipation in the cabinet body is accelerated, and after the air pressure in the cabinet body is gradually normal, the air of the cabinet body is discharged in the longitudinal direction for the second time by swinging in the limiting vertical groove through the gravity of the H-shaped sliding block, so that the cooling effect of the fan blade on the cabinet body is ensured.
According to the invention, when the air pressure in the cabinet body is overlarge and the power plate is deflected and opened, the rectangular frame slides towards the outer side of the upper opening of the cabinet body under the action of the air pressure, the damping spring telescopic rod stretches to enable the rectangular frame to be separated from the fixed frame, the pressure is released through a gap between the rectangular frame and the fixed frame, and when the rectangular frame slides, one end of the first spring telescopic rod is separated from the inclined plane block, the reset spring pulls one end of the first spring telescopic rod to be separated from the slot, at the moment, the sealing plate receives the air pressure deflection to drive the sliding block to slide upwards and deflect in the rectangular slot, the sealing state of the sealing plate on the rectangular frame is released, and the quick and smooth pressure release of the cabinet body is ensured.
According to the invention, after the pressure release of the cabinet body is completed, the deflection plate pulls the sealing plate to deflect and reset under the action of the second spring telescopic rod, and the sealing plate is adsorbed by the two magnets on the side surfaces of the rectangular frame and the deflection plate, so that the smoothness and the tightness of the reset of the sealing plate are ensured, then the spring telescopic rod is slowly contracted, the rectangular frame is pulled to be in contact with the fixed frame in a abutting mode, the tightness between the rectangular frame and the fixed frame is ensured, and one end of the first spring telescopic rod is pulled to be in contact with the inclined surface block again when the rectangular frame is reset, so that one end of the first spring telescopic rod is inserted into the slot to ensure the stability between the rectangular frame and the deflection plate.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a partial perspective structure of the present invention;
FIG. 3 is a partial perspective view of the present invention;
FIG. 4 is a schematic perspective view of a deflection heat dissipation mechanism according to the present invention;
FIG. 5 is a schematic perspective view of a folding mechanism according to the present invention;
FIG. 6 is a schematic perspective view of a deflector plate and like structure according to the present invention;
FIG. 7 is a schematic perspective view of a ramp block and like structure according to the present invention;
fig. 8 is a schematic view of a three-dimensional unfolding structure of the pressure release mechanism of the invention.
In the figure: 1. a cabinet body; 2. a vent groove; 3. limiting vertical grooves; 4. deflection heat dissipation mechanism; 41. an H-shaped sliding block; 42. a connecting rod; 43. a T-bar; 44. a fixed sleeve; 45. a motor; 46. a worm; 47. a worm wheel; 48. a hinge rod; 49. a fan blade; 5. a chute; 6. a folding mechanism; 61. a hinged plate; 62. an elongated block; 63. a power plate; 64. a connecting rod; 65. a round bar; 66. a V-shaped hinge rod; 67. a linkage rod; 7. a pressure release mechanism; 71. a fixed frame; 72. a rectangular frame; 73. damping spring telescopic rod; 74. a deflector plate; 75. a sealing plate; 76. a slide block; 77. rectangular grooves; 78. a slot; 79. a first spring telescoping rod; 710. a reset spring; 711. a bevel block; 712. a second spring telescoping rod; 8. an opening.
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 are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: the high-voltage switch cabinet comprises a cabinet body 1, wherein an air vent groove 2 is formed in the side face of the cabinet body 1, limiting vertical grooves 3 are formed in the front side and the rear side of the inner wall of the air vent groove 2, a deflection heat dissipation mechanism 4 is connected in the limiting vertical grooves 3 in a sliding mode, sliding grooves 5 are formed in the front side and the rear side of the inner wall of the air vent groove 2, a folding mechanism 6 is arranged in the sliding grooves 5, and the folding mechanism 6 is hinged to the deflection heat dissipation mechanism 4;
an opening 8 is formed in the inner wall of the cabinet body 1, and a pressure release mechanism 7 is arranged in the opening 8.
In this embodiment, as shown in fig. 3 and fig. 4, the deflection heat dissipation mechanism 4 includes an H-shaped slider 41 slidingly connected in the limiting vertical slot 3, a connecting rod 42 is fixedly connected to the H-shaped slider 41, one end of the connecting rod 42 away from the H-shaped slider 41 is hinged with a T-shaped rod 43, the lower end of the T-shaped rod 43 is fixedly connected with a fixing sleeve 44, the end surface of the fixing sleeve 44 is fixedly connected with a motor 45, one end of a rotating shaft of the motor 45 passes through the fixing sleeve 44 and is fixedly connected with a worm 46, the side surface of the worm 46 is meshed with a worm wheel 47, the rear end of a central shaft of the worm wheel 47 is rotatably connected to one end of a cross rod of the T-shaped rod 43, the front end of the central shaft of the worm wheel 47 is fixedly connected with a hinging rod 48, and one end of the hinging rod 48 away from the worm wheel 47 is hinged to the cross rod in the middle of the H-shaped slider 41;
one end of the hinge rod 48 is fixedly sleeved with a fan blade 49.
In this embodiment, as shown in fig. 4 and 5, the folding mechanism 6 includes two hinge plates 61 that are distributed in a staggered manner, the two hinge plates 61 are hinged to each other, two ends of the two hinge plates 61 are fixedly connected with extension blocks 62, four power plates 63 are abutted against the outer side of the cabinet body 1, the uppermost power plate 63 is hinged to the upper end of the uppermost hinge plate 61, the remaining three power plates 63 are fixedly connected with the remaining three ends of the two hinge plates 61 respectively, the two power plates 63 in the middle are hinged with connecting rods 64, and one ends of the two connecting rods 64, which are far away from the power plates 63, are hinged to the two hinge plates 61 respectively;
the connection part of the extension block 62 and the hinge plate 61 is penetrated with a round rod 65, two ends of the round rod 65 are respectively lapped in the two sliding grooves 5, the uppermost extension block 62 is hinged on the upper side of the inner wall of the ventilation groove 2, the uppermost power plate 63 is hinged with a V-shaped hinge rod 66, one end of the V-shaped hinge rod 66, which is far away from the power plate 63, is hinged on the upper hinge plate 61, and two ends of the hinge part of the V-shaped hinge rod 66 are slidingly connected in the sliding grooves 5;
the lowermost extension block 62 is hinged with a linkage rod 67, and the bottom end of the linkage rod 67 is hinged on the H-shaped sliding block 41.
In this embodiment, as shown in fig. 6, 7 and 8, the pressure release mechanism 7 includes a fixed frame 71 fixed in the opening 8, a rectangular frame 72 is disposed in the fixed frame 71, a damping spring telescopic rod 73 is fixedly connected to an end surface of the rectangular frame 72, and one end of the damping spring telescopic rod 73, which is far away from the rectangular frame 72, is fixed on an inner wall of the fixed frame 71;
the inner wall of the rectangular frame 72 is hinged with a deflection plate 74, one end, far away from the rectangular frame 72, of the deflection plate 74 is hinged with a sealing plate 75, two sides of the sealing plate 75 are fixedly connected with sliding blocks 76, the two sliding blocks 76 are respectively and slidably connected in rectangular grooves 77 formed in the front side and the rear side of the inner wall of the rectangular frame 72, the deflection plate 74 is hinged with a second spring telescopic rod 712, and one end, far away from the deflection plate 74, of the second spring telescopic rod 712 is hinged on the inner wall of the rectangular frame 72;
the slots 78 are formed in the front side and the rear side of the sealing plate 75, a first spring telescopic rod 79 is movably inserted in the slots 78, the two ends of the first spring telescopic rod 79 are inclined planes, one end, away from the slots 78, of the first spring telescopic rod 79 extends to the outer side of the rectangular frame 72 and is movably sleeved with a reset spring 710, one end of the reset spring 710 is fixedly connected to the side face of the first spring telescopic rod 79, and the other end of the reset spring 710 is fixed to the outer side of the rectangular frame 72;
the end of the first spring expansion link 79 away from the slot 78 abuts against a bevel block 711, and the bevel block 711 is fixed on the inner wall of the opening 8.
In this embodiment, as shown in fig. 6, 7 and 8, a rectangular groove is formed on the left side of the rectangular frame 72, and the rectangular frame 72 is inserted into the inner wall of the fixed frame 71 through the rectangular groove.
In this embodiment, as shown in fig. 6, 7 and 8, a counterweight is fixedly connected to the upper portion of the sealing plate 75.
In this embodiment, as shown in fig. 6, 7 and 8, magnets are fixedly connected to the upper side of the inner wall of the rectangular frame 72 and the side surface of the deflection plate 74, and the two magnets are attracted to each other.
The application method and the advantages of the invention are as follows: the application method of the high-voltage switch cabinet comprises the following working processes:
as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8:
s1: the cabinet body 1 drives the worm 46 to rotate through the motor 45 in the cabinet body to drive the fan blades 49 to rotate for exhausting, exhausting and cooling parts in the cabinet body 1, and when the worm 46 rotates, the worm drives the worm wheel 47 to rotate to drive one end of the hinging rod 48 to deflect, so that the worm 46 drives the fan blades 49 to do longitudinal swinging motion when rotating by taking the connecting point of the connecting rod 42 and the T-shaped rod 43 as the circle center, the area of the fan blades 49 for exhausting gas in the cabinet body 1 is increased, and the cabinet body 1 is better exhausted for exhausting the gas in the cabinet body;
s2: when a short circuit occurs in the cabinet body 1, the air pressure in the cabinet body 1 is increased, the air pressure is poured to the outside of the cabinet body 1 through the ventilation groove 2, if the air pressure is larger, when the air pressure is discharged from the ventilation groove 2, the power plate 63 is applied with blowing force to drive the power plate 63 to deflect, as the two hinged plates 61 and the two connecting rods 64 form a diamond folding frame structure, the round rod 65 slides in the sliding groove 5, when the power plate 63 deflects, the diamond folding frame structure is driven to fold, the air outlet amount of the ventilation groove 2 is increased, the linkage rod 67 drives the H-shaped sliding block 41 to slide upwards in the limiting vertical groove 3, the motor 45 and the fan blades 49 on the H-shaped sliding block 41 longitudinally exhaust and cool the inside of the cabinet body 1, heat dissipation in the cabinet body 1 is accelerated, and when the air pressure in the cabinet body 1 is gradually normal, the air in the cabinet body 1 is oscillated downwards in the limiting vertical groove 3 through the gravity of the H-shaped sliding block 41, the air is discharged for the second time in the longitudinal direction, and the cooling effect of the cabinet body 1 is ensured by the fan blades 49;
if the air pressure in the cabinet body 1 is too large, and the power plate 63 is deflected and opened, the rectangular frame 72 slides towards the outer side of the opening 8 on the cabinet body 1 under the action of air pressure, the damping spring telescopic rod 73 stretches to enable the rectangular frame 72 to be separated from the fixed frame 71, pressure is released through a gap between the rectangular frame 72 and the fixed frame 71, when the rectangular frame 72 slides, one end of the first spring telescopic rod 79 is separated from the inclined surface block 711, the reset spring 710 pulls one end of the first spring telescopic rod 79 to be separated from the slot 78, at the moment, the sealing plate 75 receives air pressure deflection to drive the sliding block 76 to slide upwards and deflect in the rectangular slot 77, the sealing state of the sealing plate 75 on the rectangular frame 72 is released, and the quick and smooth pressure release of the cabinet body 1 is ensured;
s3: after the pressure release of the cabinet body 1 is completed, the deflection plate 74 pulls the sealing plate 75 to deflect and reset under the action of the second spring telescopic rod 712, and the two magnets on the side surfaces of the rectangular frame 72 and the deflection plate 74 are attracted to ensure the smoothness and the tightness of the reset of the sealing plate 75, then the damping spring telescopic rod 73 is slowly contracted, the rectangular frame 72 is pulled to be in contact with the fixed frame 71 in a abutting mode, the tightness between the rectangular frame 72 and the fixed frame 71 is ensured, and one end of the first spring telescopic rod 79 is pulled to be in contact with the inclined surface block 711 again when the rectangular frame 72 is reset, so that one end of the first spring telescopic rod 79 is inserted into the slot 78 to ensure the stability between the rectangular frame 72 and the deflection plate 74.
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 (8)
1. The utility model provides a high tension switchgear, includes cabinet body (1), its characterized in that: the novel multifunctional cabinet is characterized in that an air vent groove (2) is formed in the side face of the cabinet body (1), limiting vertical grooves (3) are formed in the front side and the rear side of the inner wall of the air vent groove (2), a deflection heat dissipation mechanism (4) is connected inside the limiting vertical grooves (3) in a sliding mode, sliding grooves (5) are formed in the front side and the rear side of the inner wall of the air vent groove (2), a folding mechanism (6) is arranged in the sliding grooves (5), and the folding mechanism (6) is hinged to the deflection heat dissipation mechanism (4);
an opening (8) is formed in the inner wall of the cabinet body (1), and a pressure release mechanism (7) is arranged in the opening (8).
2. A high voltage switchgear as claimed in claim 1, wherein: the deflection heat dissipation mechanism (4) comprises an H-shaped sliding block (41) which is slidably connected in a limiting vertical groove (3), a connecting rod (42) is fixedly connected to the H-shaped sliding block (41), one end, far away from the H-shaped sliding block (41), of the connecting rod (42) is hinged with a T-shaped rod (43), the lower end of the T-shaped rod (43) is fixedly connected with a fixing sleeve (44), the end face of the fixing sleeve (44) is fixedly connected with a motor (45), one end of a rotating shaft of the motor (45) penetrates through the fixing sleeve (44) and is fixedly connected with a worm (46), the side face of the worm (46) is meshed with a worm wheel (47), the rear end of a central shaft of the worm wheel (47) is rotatably connected to one end of a cross rod of the T-shaped rod (43), the front end of the central shaft of the worm wheel (47) is fixedly connected with a hinging rod (48), and one end, far away from the worm rod (48), of the hinging rod (47) is hinged to the cross rod in the middle of the H-shaped sliding block (41).
One end of the hinging rod (48) is fixedly sleeved with a fan blade (49).
3. A high voltage switchgear as claimed in claim 2, wherein: the folding mechanism (6) comprises two hinge plates (61) which are distributed in a staggered manner, the two hinge plates (61) are hinged with each other, extension blocks (62) are fixedly connected to two ends of the two hinge plates (61), four power plates (63) are abutted against the outer side of the cabinet body (1), the uppermost power plate (63) is hinged to the upper end of the uppermost hinge plate (61), the remaining three power plates (63) are fixedly connected with the remaining three ends of the two hinge plates (61) respectively, connecting rods (64) are hinged to the two power plates (63) in the middle, and one ends, far away from the power plates (63), of the two connecting rods (64) are hinged to the two hinge plates (61) respectively;
the connection part of the extension block (62) and the hinge plate (61) is penetrated with a round rod (65), two ends of the round rod (65) are respectively lapped in the two sliding grooves (5), the uppermost extension block (62) is hinged on the upper side of the inner wall of the ventilation groove (2), the uppermost power plate (63) is hinged with a V-shaped hinge rod (66), one end of the V-shaped hinge rod (66) far away from the power plate (63) is hinged on the upper side hinge plate (61), and two ends of the hinge part of the V-shaped hinge rod (66) are slidably connected in the sliding grooves (5);
the lowest extension block (62) is hinged with a linkage rod (67), and the bottom end of the linkage rod (67) is hinged on the H-shaped sliding block (41).
4. A high voltage switchgear as claimed in claim 1, wherein: the pressure release mechanism (7) comprises a fixed frame (71) fixed in the opening (8), a rectangular frame (72) is arranged in the fixed frame (71), a damping spring telescopic rod (73) is fixedly connected to the end face of the rectangular frame (72), and one end, far away from the rectangular frame (72), of the damping spring telescopic rod (73) is fixed on the inner wall of the fixed frame (71);
the inner wall of the rectangular frame (72) is hinged with a deflection plate (74), one end, far away from the rectangular frame (72), of the deflection plate (74) is hinged with a sealing plate (75), two sides of the sealing plate (75) are fixedly connected with sliding blocks (76), the two sliding blocks (76) are respectively and slidably connected in rectangular grooves (77) formed in the front side and the rear side of the inner wall of the rectangular frame (72), the deflection plate (74) is hinged with a second spring telescopic rod (712), and one end, far away from the deflection plate (74), of the second spring telescopic rod (712) is hinged on the inner wall of the rectangular frame (72);
slots (78) are formed in the front side and the rear side of the sealing plate (75), a first spring telescopic rod (79) is movably inserted in the slots (78), two ends of the first spring telescopic rod (79) are inclined planes, one end, far away from the slots (78), of the first spring telescopic rod (79) extends to the outer side of the rectangular frame (72) and is movably sleeved with a reset spring (710), one end of the reset spring (710) is fixedly connected to the side face of the first spring telescopic rod (79), and the other end of the reset spring (710) is fixed to the outer side of the rectangular frame (72);
one end of the first spring telescopic rod (79) far away from the slot (78) is abutted against an inclined surface block (711), and the inclined surface block (711) is fixed on the inner wall of the opening (8).
5. A high voltage switchgear as claimed in claim 4, wherein: rectangular grooves are formed in the left side of the rectangular frame (72), and the rectangular frame (72) is inserted into the inner wall of the fixed frame (71) through the rectangular grooves.
6. A high voltage switchgear as claimed in claim 4, wherein: and a balancing weight is fixedly connected to the upper part of the sealing plate (75).
7. A high voltage switchgear as claimed in claim 4, wherein: magnets are fixedly connected to the upper side of the inner wall of the rectangular frame (72) and the side face of the deflection plate (74), and the two magnets are attracted.
8. The application method of the high-voltage switch cabinet comprises the following steps:
s1: the cabinet body (1) drives the worm (46) to rotate through the motor (45) in the cabinet body, the fan blades (49) are driven to rotate for exhausting, the internal parts of the cabinet body (1) are exhausted and cooled, and when the worm (46) rotates, the worm wheel (47) is driven to rotate to drive one end of the hinging rod (48) to deflect, so that the worm (46) drives the fan blades (49) to do longitudinal swinging movement when rotating by taking a connecting point of the connecting rod (42) and the T-shaped rod (43) as a circle center, the area of the fan blades (49) for sucking gas in the cabinet body (1) is increased, and the cabinet body (1) is better drawn out of the gas in the cabinet body;
s2: when a short circuit is generated in the cabinet body (1), the air pressure in the cabinet body (1) is increased, the air pressure is poured out of the cabinet body (1) through the ventilation groove (2), if the air pressure is large, the air flow is discharged from the ventilation groove (2), the power plate (63) is driven to deflect by the blowing force, the two hinged plates (61) and the two connecting rods (64) form a diamond folding frame structure, the round rod (65) slides in the sliding groove (5), the diamond folding frame structure is driven to fold when the power plate (63) deflects, the linkage rod (67) drives the H-shaped sliding block (41) to slide upwards in the limiting vertical groove (3) while the air outlet amount of the ventilation groove (2) is increased, the motor (45) and the fan blades (49) on the H-shaped sliding block (41) are enabled to exhaust and cool the inside of the cabinet body (1) longitudinally, after the air pressure in the cabinet body (1) is gradually normal, the air pressure in the cabinet body (1) is enabled to swing downwards in the limiting vertical groove (3), and the air cooling effect of the cabinet body (1) is guaranteed;
if the air pressure in the cabinet body (1) is overlarge, and after the power plate (63) is deflected and opened, the rectangular frame (72) slides towards the outer side of the upper opening (8) of the cabinet body (1) under the action of air pressure, the damping spring telescopic rod (73) stretches to enable the rectangular frame (72) to be separated from the fixed frame (71), the pressure is released through a gap between the rectangular frame (72) and the fixed frame (71), when the rectangular frame (72) slides, one end of the first spring telescopic rod (79) is separated from the inclined surface block (711), the reset spring (710) pulls one end of the first spring telescopic rod (79) to be separated from the slot (78), and at the moment, the closing plate (75) is deflected under the action of air pressure to drive the sliding block (76) to slide upwards and deflect in the rectangular slot (77), so that the blocking state of the rectangular frame (72) is released, and the quick and smoothness of the pressure release of the cabinet body (1) is ensured;
s3: after the pressure release of the cabinet body (1) is finished, the deflection plate (74) pulls the sealing plate (75) to deflect and reset under the action of the second spring telescopic rod (712), and two magnets on the side faces of the rectangular frame (72) and the deflection plate (74) are adsorbed, so that the smoothness and the tightness of the reset of the sealing plate (75) are guaranteed, then the damping spring telescopic rod (73) is slowly contracted, the rectangular frame (72) is pulled to be in contact with the fixed frame (71) to ensure the tightness, and one end of the first spring telescopic rod (79) is pulled to be in contact with the inclined surface block (711) again when the rectangular frame (72) is reset, and one end of the first spring telescopic rod (79) is inserted into the slot (78) to ensure the stability between the rectangular frame (72) and the deflection plate (74).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310676646.0A CN116960795B (en) | 2023-06-08 | 2023-06-08 | High-voltage switch cabinet and application method thereof |
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| CN202310676646.0A CN116960795B (en) | 2023-06-08 | 2023-06-08 | High-voltage switch cabinet and application method thereof |
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| CN116960795B CN116960795B (en) | 2024-06-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117175408A (en) * | 2023-11-03 | 2023-12-05 | 南通恒胜电器设备有限公司 | Dehumidification heat abstractor of high-low voltage switchgear |
| CN117277114A (en) * | 2023-11-17 | 2023-12-22 | 哈尔滨金融学院 | Self-cleaning type electric control box |
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Cited By (4)
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| CN117175408A (en) * | 2023-11-03 | 2023-12-05 | 南通恒胜电器设备有限公司 | Dehumidification heat abstractor of high-low voltage switchgear |
| CN117175408B (en) * | 2023-11-03 | 2024-03-08 | 南通恒胜电器设备有限公司 | Dehumidification heat abstractor of high-low voltage switchgear |
| CN117277114A (en) * | 2023-11-17 | 2023-12-22 | 哈尔滨金融学院 | Self-cleaning type electric control box |
| CN117277114B (en) * | 2023-11-17 | 2024-02-02 | 哈尔滨金融学院 | Self-cleaning type electric control box |
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| CN116960795B (en) | 2024-06-11 |
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