CN111371028A - Heat dissipation structure and heat dissipation method of high-voltage switch cabinet - Google Patents
Heat dissipation structure and heat dissipation method of high-voltage switch cabinet Download PDFInfo
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- CN111371028A CN111371028A CN202010380761.XA CN202010380761A CN111371028A CN 111371028 A CN111371028 A CN 111371028A CN 202010380761 A CN202010380761 A CN 202010380761A CN 111371028 A CN111371028 A CN 111371028A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 claims description 32
- 238000007789 sealing Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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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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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the field of switch cabinets, in particular to a heat dissipation structure and a heat dissipation method of a high-voltage switch cabinet. The intelligent cabinet temperature adjusting device comprises a cabinet body, cabinet body upper end is fixed with hot blast blowpipe apparatus, be provided with elementary filter equipment in the hot blast blowpipe apparatus, cabinet body lower extreme is fixed with the air-out device, the internal perforated plate that is fixed with of cabinet, be fixed with a plurality of horizontal supports that are used for installing high tension switchgear on the perforated plate front end, the internal directional cooling device that is provided with of cabinet of perforated plate front side, hot blast blowpipe apparatus and directional cooling device intercommunication, the cabinet body intercommunication of air-out device and perforated plate rear side, be provided with supplementary heat abstractor on the cabinet body at perforated plate rear, be provided. According to the invention, the opening degree of the air outlet can be adjusted according to the high-voltage switches with different heat productivity, so that sufficient air can flow through the high-voltage switches to perform specified heat dissipation on the high-voltage switches, the dustproof effect is good, and the service life of the high-voltage switches can be prolonged.
Description
Technical Field
The invention relates to the field of switch cabinets, in particular to a heat dissipation structure and a heat dissipation method of a high-voltage switch cabinet.
Background
The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like, the high-voltage switch cabinet is used as an electric appliance product with the voltage grade of 3.6-550 kV, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and sectioning device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like. The existing switch cabinet has a serious problem that the heat dissipation problem of the high-voltage switch cabinet is not fully considered, when the high-voltage switch cabinet cannot effectively dissipate heat, the internal temperature of the high-voltage switch cabinet can rise, the aging of internal parts of the high-voltage switch cabinet is greatly accelerated, a fire hazard is easily caused by high temperature, and great potential safety hazards exist.
Disclosure of Invention
The invention aims to solve the technical problems of high heat dissipation efficiency, good heat dissipation effect, good dustproof effect and capability of prolonging the service life of a high-voltage switch.
In order to achieve the purpose, the invention provides the technical scheme that:
a high-voltage switch cabinet heat dissipation structure comprises a cabinet body, wherein an air inlet device is fixed at the upper end of the cabinet body, a primary filtering device is arranged in the air inlet device, an air outlet device is fixed at the lower end of the cabinet body, a perforated plate is fixed in the cabinet body, a plurality of transverse supports for mounting a high-voltage switch are fixed at the front end of the perforated plate, a directional cooling device is arranged in the cabinet body at the front side of the perforated plate, the air inlet device is communicated with the directional cooling device, the air outlet device is communicated with the cabinet body at the rear side of the perforated plate, an auxiliary heat dissipation device is arranged on the cabinet body at the rear,
the directional cooling device comprises a vertical air pipe hinged in the cabinet body, the lower end of the air pipe is sealed, the lower end of the air pipe is rotatably connected on a bottom plate of the cabinet body, the upper part of the air pipe is rotatably and hermetically connected with a top plate of the cabinet body, the upper end of the air pipe extends into the air inlet device and is communicated with the air inlet device, a fan cover made of transparent plastic material is fixed on the air pipe, a vertical long hole is also formed in the air pipe in the fan cover, the fan cover is communicated with the air pipe through the long hole, the fan cover is parallel to the porous plate, an air outlet which corresponds to and is parallel to the support is formed in the side wall of the fan cover facing the porous plate, a plugging component for plugging the air outlet is arranged in the air outlet in a sliding manner, a dust outlet is formed,
the shutoff subassembly is arranged the combination by the baffle of a plurality of shapes of falling L and is formed, and the vertical portion of baffle is located the fan housing, the vertical portion of baffle and the inboard sliding contact of fan housing lateral wall towards the perforated plate, the straight flat portion of baffle run through the air outlet and with the air outlet side wall contact, set up the blind hole that corresponds with the baffle on the last lateral wall of air outlet, be fixed with the slide bar that corresponds with the blind hole in the straight flat portion of baffle, the slide bar slides and sets up in the blind hole.
Specifically, the air inlet device comprises an upper cavity fixed at the upper end of the cabinet body, the upper end of the air pipe is communicated with the upper cavity, an air inlet filter screen and an air inlet fan are fixed at the air inlet end of the upper cavity,
the primary filter device comprises an opening formed in the upper end of an upper cavity on the left side of an air inlet fan, a sealing plate for sealing the opening can be detachably fixed to the upper end of the upper cavity, a U-shaped frame is fixed to the lower end of the sealing plate and located in the upper cavity, the outer edge of the U-shaped frame is connected with the inner edge of the upper cavity in a sliding and sealing mode, two vertical portions on the left side of the U-shaped frame are fixed with a blocking strip, a filter block is filled between the U-shaped frame and the sealing plate on the right side of the blocking strip, an arc-shaped elastic sheet is fixed to a top plate of the upper cavity on the right.
Specifically, the filter block is a screen woven filter block.
Specifically, the air-out device is including fixing the lower cavity at cabinet body lower extreme, and the internal portion of cabinet of lower cavity and perforated plate rear side is through the wind channel intercommunication, is fixed with the air-out filter screen on the air-out end of lower cavity, and the internal air-out fan that is fixed with of lower cavity.
Specifically, supplementary heat abstractor is including a plurality of vertical heat dissipation finned plates that run through cabinet body posterior lateral plate, and the internal heat dissipation finned plate one end of cabinet is passed through silica gel strip and perforated plate rear end fixed connection, and the frame is fixed in the cabinet body posterior lateral plate outside, and cabinet body outside heat dissipation finned plate one end is located the frame.
Specifically, dust collector is including fixing the inboard dust collecting plate of both sides wall around the fan housing, and the fan housing internal fixation between two dust collecting plates has a plurality of corona prickle lines, high voltage direct current power supply's positive pole and dust collecting plate electric connection, high voltage direct current power supply's negative pole and corona prickle line electric connection, high voltage direct current power supply's power supply electric wire and the travel switch electric connection on the cabinet body roof, and the fan housing upper end touches travel switch's feeler lever and makes high voltage direct current power supply's power supply electric wire switch-on.
Specifically, be fixed with a plurality of dead levers on one side that the tuber pipe was kept away from to the perforated plate front end, the dead lever is perpendicular with the perforated plate, is fixed with first magnet on the dead lever, is fixed with the second magnet that corresponds the actuation with first magnet on the fan housing.
Compared with the prior art, the invention has the beneficial effects that:
the invention has simple structure and convenient operation, can adjust the opening of the air outlet according to the high-voltage switches with different heat productivity, thereby enabling sufficient air to flow through the high-voltage switches to perform specified heat dissipation on the high-voltage switches, having good dustproof effect, and being capable of prolonging the service life of the high-voltage switches.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the structure of the multi-well plate.
Fig. 3 is a schematic structural view of the interior of the cabinet.
Fig. 4 is a schematic structural diagram of the dust removing device.
Fig. 5 is a schematic view of the structure of the baffle plate matching with the air outlet.
Detailed Description
As shown in fig. 1-5, a high tension switchgear heat radiation structure, including the cabinet body 1, 1 upper end of the cabinet body is fixed with hot blast blowpipe apparatus, be provided with elementary filter equipment in the hot blast blowpipe apparatus, 1 lower extreme of the cabinet body is fixed with the air-out device, 1 internal fixation of cabinet has perforated plate 18, be fixed with a plurality of horizontal supports 19 that are used for installing high tension switchgear on the perforated plate 18 front end, be provided with directional cooling device in the cabinet body 1 of perforated plate 18 front side, hot blast blowpipe apparatus and directional cooling device intercommunication, the air-out device communicates with 1 of the cabinet body of perforated plate 18 rear side, be provided with supplementary heat abstractor on the cabinet body 1 of perforated plate 18 rear side, be provided with dust.
The directional cooling device comprises a vertical air pipe 9 hinged in the cabinet body 1, the lower end of the air pipe 9 is sealed, the lower end of the air pipe 9 is rotatably connected on the bottom plate of the cabinet body 1, the upper part of the air pipe 9 is rotatably and hermetically connected with the top plate of the cabinet body 1, the upper end of the air pipe 9 extends into the air intake device and is communicated with the air intake device, a fan cover 8 made of transparent plastic material is fixed on the air pipe 9, a vertical long hole 27 is arranged on the air pipe 9 in the fan cover 8, the fan cover 8 is communicated with the air pipe 9 through the long hole 27, the fan cover 8 is parallel to a porous plate 18, a plurality of fixing rods 22 are fixed on one side of the front end of the porous plate 18, the fixing rods 22 are perpendicular to the porous plate 18, a first magnet 23 is fixed on the fixing rods 22, a second magnet 24 correspondingly attracted to the first magnet 23 is fixed on the fan cover 8, the air outlet 28 is internally provided with a plugging component for plugging the air outlet, the side wall of the fan housing 8 corresponding to the long hole 27 is provided with a dust outlet 34, the side wall of the cabinet body 1 far away from the air duct 9 is fixedly provided with a fixed block 10, and the fixed block 10 is fixedly provided with a rubber pad 11 for sealing the dust outlet.
The plugging component is formed by arranging and combining a plurality of inverted L-shaped baffles 29, the vertical parts of the baffles 29 are positioned in the fan housing 8, the vertical parts of the baffles 29 are in sliding contact with the inner side of the side wall of the fan housing 8 facing the porous plate 18, the straight parts of the baffles 29 penetrate through the air outlet 28 and are in contact with the side wall of the air outlet 28, blind holes 30 corresponding to the baffles 29 are formed in the upper side wall of the air outlet 28, sliding rods 31 corresponding to the blind holes 30 are fixed on the straight parts of the baffles 29, the sliding rods 31 are arranged in the blind holes 30 in a sliding mode, and in a natural state, the friction force between the sliding rods 31 and the blind holes 30 is greater than the gravity of the baffles 29, so that the baffles 29 are in a plugging.
The air inlet device comprises an upper cavity 2 fixed at the upper end of the cabinet body 1, the upper end of an air pipe 9 is communicated with the upper cavity 2, and an air inlet filter screen 6 and an air inlet fan 4 are fixed at the air inlet end of the upper cavity 2.
Primary filter equipment is including seting up in the trompil 12 of air inlet fan 4 left side upper cavity 2 upper end, goes up 2 upper ends of cavity and can dismantle and be fixed with the shrouding 13 that carries out sealedly to trompil 12, and shrouding 13 lower extreme is fixed with U type frame 14, and U type frame 14 is located cavity 2, and U type frame 14 outer fringe and last cavity 2 inner edge sliding seal are connected, all is fixed with shelves strip 15 on the two left vertical portions of U type frame 14, and it has filter block 16 to fill between U type frame 14 on shelves strip 15 right side and the shrouding 13, filter block 16 is the silk screen establishment filter block, is fixed with curved elastic piece 17 on the last cavity 2 roof on trompil 12 right side, and the flexion of elastic piece 17 tightly supports filter block 16.
The air outlet device comprises a lower cavity 3 fixed at the lower end of the cabinet body 1, the lower cavity 3 is communicated with the interior of the cabinet body 1 behind the perforated plate 18 through an air duct 25, an air outlet filter screen 7 is fixed at the air outlet end of the lower cavity 3, and an air outlet fan 5 is fixed in the lower cavity 3.
The auxiliary heat dissipation device comprises a plurality of vertical heat dissipation fins 20 penetrating through the rear side plate of the cabinet body 1, one end of each heat dissipation fin 20 in the cabinet body 1 is fixedly connected with the rear end of the porous plate 18 through a silica gel strip 26, the silica gel strip 26 can play a role in heat conduction, meanwhile, the heat dissipation fins 20 and the porous plate 18 can be insulated, the outer side of the rear side plate of the cabinet body 1 is fixed on the outer frame 21, and one end of each heat dissipation fin 20 outside the cabinet body 1 is located in the outer frame 21.
Dust collector is including fixing the inboard dust collecting plate 32 of wall around the fan housing 8, the fan housing 8 internal fixation between two dust collecting plate 32 has a plurality of corona prickle lines, high voltage direct current power supply's positive pole and dust collecting plate 32 electric connection, high voltage direct current power supply's negative pole and corona prickle line 33 electric connection, high voltage direct current power supply's power supply electric wire and the travel switch 35 electric connection on the cabinet body 1 roof, the touch-rod that fan housing 8 upper end touched travel switch 35 makes high voltage direct current power supply's power supply electric wire switch-on.
During heat dissipation, the baffle 29 corresponding to the high-voltage switch with large heat productivity is shifted, the baffle 29 is moved downwards, so that the air outlet 18 part corresponding to the high-voltage switch with large heat productivity is communicated with the cabinet body 1, air can be discharged from the air outlet part corresponding to the high-voltage switch with large heat productivity and directly acts on the high-voltage switch with large heat productivity to carry out heat dissipation and cooling on the high-voltage switch with large heat productivity, the air inlet fan 4 and the air outlet fan 5 are started, outside air enters the upper cavity 2 through the air inlet filter screen 6, the air entering the upper cavity 2 is pre-filtered by the filter block 16 and then enters the air hood 8 through the air pipe 9, the air entering the air hood 8 is ionized when passing through the corona prickle line 33, dust in the air obtains negative charges and is deposited on the dust collecting plate 32, the air after being dedusted in the air hood 8 is discharged through the air outlet 28 part corresponding to the high-voltage switch with large heat productivity and directly acts, therefore, the air cooling and heat dissipation are carried out, the heat generated when the air carrying high-voltage switch works enters the cabinet body 1 at the rear side of the porous plate 18 through the holes on the porous plate 18, the air entering the cabinet body 1 at the rear side of the porous plate 18 enters the lower cavity 3 through the air duct 25, the heat in the cabinet body 1 is discharged under the action of the air outlet fan 5 in the lower cavity 3, the heat in the cabinet body 1 can be conducted to the outside of the cabinet body 1 by the heat dissipation fins 20, so that the heat dissipation efficiency of the cabinet body 1 is improved, meanwhile, the air flowing through the high-voltage switch passes through the holes on the porous plate 18 and then flows through the gaps among the heat dissipation fins 20, so that part of the heat on the heat dissipation fins 20 can be discharged after being carried, the heat dissipation efficiency of the heat dissipation fins 20 can be improved, air channels are formed among the heat dissipation fins 20, and the air entering the cabinet body 1 at the rear side of the porous plate 18 can be directionally, thereby preventing the cabinet body 1 from generating cold and warm turbulence, ensuring the heat dissipation effect of the cabinet body 1,
when dust removal is needed, the U-shaped frame 14 is taken out of the upper cavity 2, the filter block 16 is cleaned, and then the cabinet door is opened, so that the air hood 8 rotates around the air pipe 9, when the dust outlet 34 on the air hood 87 is separated from the rubber pad 11, the contact rod of the travel switch 35 is separated from the upper end of the air hood 8, the power supply wire of the high-voltage direct-current power supply is disconnected at the moment, the air outlet 28 is closed, then the dust outlet 34 faces the outside of the cabinet body 1, and dust on the dust collecting plate 32 is removed and discharged to the outside of the air hood 8 under the action of air flow.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A heat dissipation structure of a high-voltage switch cabinet comprises a cabinet body (1) and is characterized in that an air inlet device is fixed at the upper end of the cabinet body (1), a primary filtering device is arranged in the air inlet device, an air outlet device is fixed at the lower end of the cabinet body (1), a perforated plate (18) is fixed in the cabinet body (1), a plurality of transverse supports (19) used for mounting a high-voltage switch are fixed at the front end of the perforated plate (18), a directional cooling device is arranged in the cabinet body (1) at the front side of the perforated plate (18), the air inlet device is communicated with the directional cooling device, the air outlet device is communicated with the cabinet body (1) at the rear side of the perforated plate (18), an auxiliary heat dissipation device is arranged on the cabinet body (1) at the rear side of the perforated,
the directional cooling device comprises a vertical air pipe (9) hinged in the cabinet body (1), the lower end of the air pipe (9) is sealed, the lower end of the air pipe (9) is rotatably connected on a bottom plate of the cabinet body (1), the upper part of the air pipe (9) is rotatably and hermetically connected with a top plate of the cabinet body (1), the upper end of the air pipe (9) extends into the air inlet device and is communicated with the air inlet device, a fan cover (8) made of transparent plastic is fixed on the air pipe (9), a vertical long hole (27) is also formed in the air pipe (9) in the fan cover (8), the fan cover (8) is communicated with the air pipe (9) through the long hole (27), the fan cover (8) is parallel to the porous plate (18), an air outlet (28) which corresponds to and is parallel to the support (19) after being formed in the side wall of the fan cover (8) facing the porous plate (18), a plugging component for plugging the air outlet is arranged in the air outlet (, a fixed block (10) is fixed on the side wall of the cabinet body (1) far away from the air pipe (9), a rubber pad (11) for sealing the dust outlet is fixed on the fixed block (10),
the shutoff subassembly is arranged the combination by baffle (29) of a plurality of shapes of falling L and is formed, the vertical portion of baffle (29) is located fan housing (8), the vertical portion of baffle (29) and fan housing (8) lateral wall inboard sliding contact towards perforated plate (18), the straight portion of baffle (29) run through air outlet (28) and with air outlet (28) side wall contact, blind hole (30) that correspond with baffle (29) are seted up on the last lateral wall of air outlet (28), be fixed with slide bar (31) that correspond with blind hole (30) on the straight portion of baffle (29), slide bar (31) slide and set up in blind hole (30).
2. The heat dissipation structure of the high-voltage switch cabinet according to claim 1, wherein the air intake device comprises an upper cavity (2) fixed at the upper end of the cabinet body (1), the upper end of the air duct (9) is communicated with the upper cavity (2), an air intake filter screen (6) and an air intake fan (4) are fixed at the air intake end of the upper cavity (2),
primary filter equipment is including offering trompil (12) of cavity (2) upper end on air inlet fan (4) left side, go up cavity (2) upper end and can dismantle and be fixed with shrouding (13) that carry out sealedly to trompil (12), shrouding (13) lower extreme is fixed with U type frame (14), U type frame (14) are located cavity (2), U type frame (14) outer fringe and last cavity (2) inner edge sliding seal are connected, all be fixed with shelves strip (15) on two left vertical portions of U type frame (14), it has filter block (16) to fill between U type frame (14) on shelves strip (15) right side and shrouding (13), be fixed with curved elastic strip (17) on last cavity (2) roof on trompil (12) right side, the flexion of elastic strip (17) tightly supports filter block (16).
3. The high-voltage switch cabinet heat dissipation structure according to claim 2, wherein the filter block (16) is a wire mesh woven filter block.
4. The heat dissipation structure of the high-voltage switch cabinet as claimed in claim 1, wherein the air outlet device comprises a lower cavity (3) fixed at the lower end of the cabinet body (1), the lower cavity (3) is communicated with the interior of the cabinet body (1) at the rear side of the perforated plate (18) through an air duct (25), an air outlet filter screen (7) is fixed at the air outlet end of the lower cavity (3), and an air outlet fan (5) is fixed in the lower cavity (3).
5. The heat dissipation structure of the high-voltage switch cabinet according to claim 1, wherein the auxiliary heat dissipation device comprises a plurality of vertical heat dissipation fins (20) penetrating through a rear side plate of the cabinet body (1), one end of each heat dissipation fin (20) in the cabinet body (1) is fixedly connected with a rear end of the porous plate (18) through a silica gel strip (26), an outer side of the rear side plate of the cabinet body (1) is fixed on the outer frame (21), and one end of each heat dissipation fin (20) outside the cabinet body (1) is located in the outer frame (21).
6. The heat dissipation structure of a high voltage switch cabinet according to claim 1, wherein the dust removal device includes dust collection plates (32) fixed on the inner sides of the front and rear side walls of the wind cover (8), a plurality of corona prickle lines are fixed in the wind cover (8) between the two dust collection plates (32), the positive pole of the high voltage dc power supply is electrically connected to the dust collection plates (32), the negative pole of the high voltage dc power supply is electrically connected to the corona prickle lines (33), the power supply wire of the high voltage dc power supply is electrically connected to the stroke switch (35) on the top plate of the cabinet body (1), and the upper end of the wind cover (8) touches the contact rod of the stroke switch (35) and makes the power supply wire of the high voltage dc.
7. The heat dissipation structure of a high voltage switch cabinet as claimed in claim 1, wherein a plurality of fixing rods (22) are fixed on a side of the front end of the porous plate (18) far away from the air duct (9), the fixing rods (22) are perpendicular to the porous plate (18), a first magnet (23) is fixed on the fixing rods (22), and a second magnet (24) which is correspondingly attracted to the first magnet (23) is fixed on the air hood (8).
8. The heat dissipation method of the heat dissipation structure of the high-voltage switch cabinet as claimed in claim 1, wherein during heat dissipation, the baffle (29) corresponding to the high-voltage switch with large heat productivity is shifted, the baffle (29) is moved downward, so that the air outlet (18) corresponding to the high-voltage switch with large heat productivity is communicated with the cabinet body (1), air can be discharged from the air outlet corresponding to the high-voltage switch with large heat productivity and directly acts on the high-voltage switch with large heat productivity to cool the high-voltage switch, the air inlet fan (4) and the air outlet fan (5) are started, outside air enters the upper cavity (2) through the air inlet filter screen (6), the air entering the upper cavity (2) is pre-filtered by the filter block (16), then enters the fan housing (8) through the air pipe (9), and the air entering the fan housing (8) is ionized when passing through the corona prickle line (33), dust in the air obtains negative charges and is deposited on the dust collecting plate (32), the air after being dedusted in the fan cover (8) is partially discharged through the air outlet (28) corresponding to the high-voltage switch with large heat productivity and then directly acts on the high-voltage switch with large heat productivity so as to carry out air cooling and heat dissipation on the air, the heat generated when the air carrying high-voltage switch works enters the cabinet body (1) at the rear side of the porous plate (18) through the holes on the porous plate (18), the air entering the cabinet body (1) at the rear side of the porous plate (18) enters the lower cavity (3) through the air duct (25), the heat in the cabinet body (1) is discharged under the action of the air outlet fan (5) in the lower cavity (3), the heat in the cabinet body (1) can be conducted to the outside of the cabinet body (1) through the heat dissipation fins (20), so that the heat dissipation efficiency of the cabinet body (1) is accelerated, and meanwhile, the air flowing through the high-voltage switch passes through the holes on the porous plate (18) and then flows through gaps between Therefore, partial heat on the radiating fin plates (20) can be carried and then discharged, the radiating efficiency of the radiating fin plates (20) can be improved, air channels are formed among the radiating fin plates (20), air entering the cabinet body (1) at the rear side of the porous plate (18) can be directionally and quickly discharged under the action of the air outlet fan (5), and therefore cold and hot turbulence in the cabinet body (1) can be prevented, and the radiating effect of the cabinet body (1) is ensured,
when dust removal is needed, the U-shaped frame (14) is taken out of the upper cavity (2), the filter block (16) is cleaned, then the cabinet door is opened, the air hood (8) rotates around the air pipe (9), when the dust outlet (34) in the air hood (87) is separated from the rubber pad (11), the contact rod of the travel switch (35) is separated from the upper end of the air hood (8), the power supply wire of the high-voltage direct-current power supply is disconnected at the moment, the air outlet (28) is closed, then the dust outlet (34) faces the outside of the cabinet body (1), and dust on the dust collecting plate (32) is removed under the action of air flow and is discharged to the outside of the air hood (8).
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| CN202010380761.XA CN111371028B (en) | 2020-05-08 | 2020-05-08 | Heat dissipation structure and heat dissipation method of high-voltage switch cabinet |
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| CN202010380761.XA CN111371028B (en) | 2020-05-08 | 2020-05-08 | Heat dissipation structure and heat dissipation method of high-voltage switch cabinet |
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| CN111371028B CN111371028B (en) | 2021-06-18 |
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| CN113708268A (en) * | 2021-08-27 | 2021-11-26 | 安徽富煌电力装备科技有限公司 | Intelligent high-low voltage cabinet system |
| CN115052445A (en) * | 2022-06-29 | 2022-09-13 | 广东电网有限责任公司 | Electric power comprehensive test device |
| CN115052445B (en) * | 2022-06-29 | 2023-05-12 | 广东电网有限责任公司 | Comprehensive electric power testing device |
| CN116826556A (en) * | 2023-07-03 | 2023-09-29 | 江苏乐聪电气设备集团有限责任公司 | High-insulation transformer matched with power switch cabinet device |
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Denomination of invention: A heat dissipation structure and method for high-voltage switchgear Effective date of registration: 20231128 Granted publication date: 20210618 Pledgee: China Postal Savings Bank Co.,Ltd. Qingfeng County Branch Pledgor: HENAN ZHONGKUN INDUSTRIAL Co.,Ltd. Registration number: Y2023980067954 |
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