A switch cabinet with high-efficiency heat dissipation structure

Abstract

The application discloses a switch cabinet with a high-efficiency heat dissipation structure and belongs to the technical field of switch cabinets. The switch cabinet with the high-efficiency heat dissipation structure comprises a main cabinet, a support is fixedly connected to the inner wall of the main cabinet, a cabinet door is rotatably connected to the inner side of the main cabinet, uniformly distributed exhaust fans are fixedly connected to the outer wall of the main cabinet, a buckle assembly is arranged on the bottom outer wall of the main cabinet, a clamping rod is arranged on the clamping end of the buckle assembly, a clamping block is clampingly connected to the outer side of the clamping rod, a filter screen assembly is arranged on the outer side of the clamping block, and a filter screen is arranged on the filtering end of the filter screen assembly. The filter screen assembly can be quickly disassembled through the buckle assembly, so that periodical cleaning becomes more convenient. Maintenance personnel can easily disassemble the dustproof screen, clean accumulated dust, sundries and other dirt, and ensure that the heat dissipation component can be cleaned in time, so that the heat dissipation performance is prevented from being reduced due to dust accumulation.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of switch cabinets, and in particular to a switch cabinet adopting an efficient heat dissipation structure. BACKGROUND

[0002] A switch cabinet is a key device in a power system, responsible for functions such as current interruption and overload protection. However, as the power of the device increases, the heat inside the switch cabinet gradually increases, and excessive temperature can affect the performance and lifespan of the device, and may even cause failure or fire. Therefore, designing an efficient heat dissipation structure is crucial to ensure the safe operation of the switch cabinet. By optimizing the heat dissipation design and adopting appropriate heat dissipation methods, the temperature can be effectively reduced, and the stability and reliability of the switch cabinet can be improved. With the continuous increase of power load and the development of intelligent technology, future switch cabinets will increasingly rely on efficient and intelligent heat dissipation systems to ensure safe operation and extend the service life of the device in various environments.

[0003] After searching, an existing patent (publication number: CN206947765U) discloses a high-efficiency heat dissipation high-voltage switch cabinet, which comprises a cabinet body, a cabinet door hinged to the cabinet body, a partition plate arranged in the inner cavity of the cabinet body, the partition plate dividing the inner cavity of the cabinet body into multiple chamber structures, and a temperature sensor fixedly installed in each chamber, an air inlet and an air outlet respectively formed in the left and right side plates of the cabinet body, a fan fixedly installed on the air inlet through bolts, a water cooling device arranged on the cabinet body, and a supporting leg fixedly arranged at the lower side of the cabinet body. The high-efficiency heat dissipation high-voltage switch cabinet has a reasonable structure design and is convenient to use. It adopts a double cooling method of air cooling and water cooling to achieve efficient heat dissipation, can quickly discharge the heat in the high-voltage switch cabinet, provide the best working temperature for the electrical elements in the high-voltage switch cabinet, and improve the service life of the high-voltage switch cabinet.

[0004] After searching, an existing patent (publication number: CN11229032A) discloses a mobile anti-seepage outdoor high-voltage switch cabinet, which comprises a high-voltage switch cabinet body and a protective cover. The high-voltage switch cabinet body comprises an upper switch cabinet, a middle switch cabinet and a lower switch cabinet. The front surface of the upper switch cabinet, the front surface of the middle switch cabinet and the front surface of the lower switch cabinet are all movably connected to sealing doors. Anti-seepage structures are fixedly arranged on both sides of the inner cavity of the high-voltage switch cabinet body. An efficient heat dissipation structure is arranged in the inner cavity of the heat insulation box. Dustproof nets are arranged in the two heat dissipation holes. Rainproof and dustproof structures are fixedly arranged on the surfaces of the two heat dissipation holes. The beneficial effects of the present application are that the heat insulation box, the oil storage tank, the pipeline, the heat exchange chamber, the circulating heat dissipation pipe, the oil pump, the heat conduction channel and the heat conduction fan are arranged, the structure of air cooling and oil cooling is adopted, the heat in the inner cavity of the high-voltage switch cabinet body can be effectively discharged, the accumulation of heat in the inner cavity of the high-voltage switch cabinet body is avoided, and the damage of circuit elements is avoided. The heat dissipation effect is ideal.

[0005] But in the actual use process of the above scheme, the equipment is provided with a dust screen, but the dust screen does not have the function of quick disassembly, and the dust screen belongs to one of the structures which need to be cleaned frequently, if the dust screen is not designed to be convenient to disassemble and clean, regular maintenance and inspection will become more difficult. If cleaning is not timely, dust accumulation will be serious, which will affect the working efficiency and service life of the components in the cabinet body, and even may cause failure. At the same time, if the dust screen is not convenient to disassemble, the maintenance personnel need more time and energy when cleaning or inspecting the inside of the cabinet body, which increases the complexity of maintenance, may increase the downtime, and thus affects the production efficiency.

[0006] Therefore, the application provides a switch cabinet with high-efficiency heat dissipation structure. SUMMARY

[0007] The application aims to solve the problem that if the dust screen is not designed to be convenient to disassemble and clean, regular maintenance and inspection will become more difficult in the prior art, and provides a switch cabinet with high-efficiency heat dissipation structure.

[0008] In order to achieve the above-mentioned purpose, the application adopts the following technical scheme:

[0009] The switch cabinet with high-efficiency heat dissipation structure comprises a main cabinet, a support is fixedly connected to the inner wall of the main cabinet, a cabinet door is rotatably connected to the inner side of the main cabinet, evenly distributed exhaust fans are fixedly connected to the outer wall of the main cabinet, a buckle assembly is arranged on the bottom outer wall of the main cabinet, a clamping rod is arranged on the clamping end of the buckle assembly, a clamping block is clampingly connected to the outer side of the clamping rod, a filter screen assembly is arranged on the outer side of the clamping block, a filter screen is arranged on the filtering end of the filter screen assembly, a second fixed frame is fixedly connected to the outer wall of the top section of the main cabinet, an atomization assembly is arranged in the second fixed frame, an atomizing nozzle is arranged on the atomizing end of the atomization assembly, a heat dissipation assembly is arranged on the outer side of the second fixed frame, evenly distributed ventilation holes are arranged on the heat dissipation end of the heat dissipation assembly, a conveying assembly is arranged on the outer side of the heat dissipation assembly, a cooling assembly is arranged on the conveying end of the conveying assembly, an installation plate is arranged on the cooling end of the cooling assembly, and a cleaning assembly is arranged on the outer side of the heat dissipation assembly.

[0010] The cleaning assembly comprises a sealing cover, the sealing cover is fixedly connected to the outer wall of the heat dissipation box, evenly distributed second clamping grooves are fixedly connected to the inner bottom of the sealing cover, evenly distributed sliding grooves are arranged in the top wall of the sealing cover, corresponding second limiting blocks are fixedly connected to the top wall of the sealing cover, and the side, away from the heat dissipation box, of the sealing cover is fixedly connected to the ventilation pipe.

[0011] The diameter of the filter screen is the same as the inner diameter of the ventilation pipe.

[0012] When the filter screen assembly is cleaned, first, the filter screen assembly in the sealing cover is pulled out, then the first limiting block, the filter screen and the sealing plate in the new filter screen assembly are inserted into the sealing cover along the sliding groove, the first limiting block is clamped and limited through the second clamping groove, then the impurities filtered out outside the filter screen surface are cleaned through the hot air and water mist, and then the removed filter screen assembly is installed to the corresponding filter screen assembly position.

[0013] As a preferred technical solution of the present application, the buckle assembly comprises a limiting rod, the limiting rod is fixedly connected with the outer wall of the main cabinet, a first fixed frame is slidably connected outside the limiting rod, slide rods are fixedly connected on both sides of the first fixed frame, springs are slidably connected outside the slide rods, and the bottom of the spring is fixedly connected with a clamping rod.

[0014] As a preferred technical solution of the present application, the filter screen assembly comprises a sealing plate, the sealing plate is fixedly connected with the clamping block, the sealing plate is fixedly connected with the filter screen, a first limiting block is fixedly connected at the bottom of the sealing plate, and a first clamping groove fixedly connected with the outer wall of the main cabinet is clamped and connected outside the first limiting block.

[0015] As a preferred technical solution of the present application, the atomization assembly comprises a water feeding pipe, the water feeding pipe is fixedly connected with the second fixed frame, the water feeding pipe is fixedly connected with the atomization nozzle at the bottom, and the water feeding pipe water inlet end is connected with an external water source.

[0016] As a preferred technical solution of the present application, the heat dissipation assembly comprises a heat dissipation box, the heat dissipation box is fixedly connected with the second fixed frame, a heat dissipation channel is formed in the inner wall of the heat dissipation box, and the heat dissipation channel is formed in the gap between the ventilation holes.

[0017] As a preferred technical solution of the present application, the conveying assembly comprises a conveying pipe, the conveying pipe is communicated with the heat dissipation channel, and a conveying pump is arranged in the middle section of the conveying pipe.

[0018] As a preferred technical solution of the present application, the cooling assembly comprises a cooling pipe, the cooling pipe is fixedly connected with the water outlet end of the conveying pump, the cooling pipe is fixedly connected with the mounting plate, and the mounting plate is fixedly connected with the support.

[0019] As a preferred technical solution of the present application, the number of atomization nozzles corresponds to the number of ventilation holes, and the spraying direction of the atomization nozzle corresponds to the ventilation hole.

[0020] Compared with the prior art, the switch cabinet with the high-efficiency heat dissipation structure has the following beneficial effects:

[0021] 1. The switch cabinet with high-efficiency heat dissipation structure, the filter screen assembly is quickly disassembled through the buckle assembly, so that regular cleaning becomes more convenient. Maintenance personnel can easily disassemble the dust screen, clean the accumulated dust, debris and other contaminants, avoid these substances from blocking the heat dissipation holes or air ducts, ensure good air circulation, maintain the high-efficiency heat dissipation performance of the switch cabinet, and the dust screen is convenient to disassemble, so that the heat dissipation part can be cleaned in time to prevent dust accumulation from reducing the heat dissipation performance. Keep the heat dissipation system unobstructed, which helps to reduce the equipment working temperature, prolong the service life of the switch cabinet and its internal equipment, and significantly reduce the maintenance time and downtime, improve the working efficiency of the switch cabinet. In the case of emergency cleaning or inspection, the quick disassembly function makes the maintenance process more efficient;

[0022] 2. The switch cabinet with high-efficiency heat dissipation structure, water is sprayed into the heat dissipation assembly through the atomization assembly, so that the air extracted from the main cabinet is discharged through the ventilation hole by the exhaust fan, and the water on the inner wall of the ventilation hole is evaporated in the process, thereby cooling the cooling liquid in the heat dissipation channel. Then the cooling liquid is transported into the cooling pipe by the conveying assembly, thereby taking away the heat generated by the electronic components installed on the mounting plate, and the evaporation process of the atomized water can absorb a large amount of heat, thereby effectively reducing the air temperature. By spraying atomized water into the ventilation hole, water vapor will quickly absorb heat and evaporate, taking away a large amount of heat, significantly improving the heat dissipation effect, and at the same time, high-efficiency heat dissipation can be achieved with lower energy consumption. Atomized water not only improves the heat dissipation efficiency, but also avoids excessive dependence on cooling fans or refrigeration equipment with high energy consumption, helping to reduce overall energy consumption and achieve energy-saving effect;

[0023] 3. The switch cabinet with high-efficiency heat dissipation structure, after the filter screen assembly is disassembled, the disassembled filter screen assembly is inserted into the sliding groove with the filter surface facing the ventilation pipe side, the gas discharged by the exhaust fan is sprayed through the ventilation hole, and then the air carrying water mist flows into the ventilation pipe through the filter screen. In the process, the dust, debris and other contaminants on the filter screen can be cleaned while the air is exhausted. The water mist particles can adsorb dust in the air, reduce dust accumulation on the filter screen, avoid filter screen blockage, maintain air flow and heat dissipation efficiency, thereby reducing the dependence on manual maintenance, reducing the workload and cost of maintenance, and ensuring that the cleaning process is more efficient, reducing heat dissipation problems and equipment failures caused by not cleaning in time. DRAWINGS

[0024] Figure 1 is a perspective view of the present application Figure 1 ;

[0025] Figure 2 is Figure 1 a local enlarged view of A in the figure

[0026] Figure 3 is a perspective view of the present application Figure 2 and an enlarged view;

[0027] Figure 4 is Figure 3 a local enlarged view at B in the figure;

[0028] Figure 5 is a local perspective view of the exhaust fan in the present application;

[0029] Figure 6 is a local perspective view of the mounting plate in the present application Figure 1 ;

[0030] Figure 7 is a local perspective view of the mounting plate in the present application Figure 2 ;

[0031] Figure 8 is a local perspective view of the heat dissipation box in the present application and an enlarged view;

[0032] Figure 9 is a cross-sectional view of the heat dissipation box in the present application and an enlarged view;

[0033] Figure 10 is a local perspective view of the sealing cover in the present application;

[0034] Figure 11 is a local structural exploded view of the engaging block in the present application.

[0035] In the figure:

[0036] 1, main cabinet; 11, cabinet door; 12, exhaust fan; 13, support; 2, limiting rod; 21, first fixed frame; 22, sliding rod; 23, spring; 24, engaging rod; 3, engaging block; 31, sealing plate; 32, filter screen; 33, first limiting block; 34, first clamping groove; 35, second clamping groove; 4, second fixed frame; 41, water supply pipe; 42, atomizing nozzle; 5, heat dissipation box; 51, heat dissipation channel; 52, ventilation hole; 53, conveying pipe; 54, conveying pump; 55, cooling pipe; 56, mounting plate; 6, sealing cover; 61, ventilation pipe; 62, second limiting block; 63, sliding groove. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application. EMBODIMENT

[0038] Referring to Figures 1-11 A switch cabinet with high-efficiency heat dissipation structure, comprising a main cabinet 1, the inner wall of the main cabinet 1 is fixedly connected with a support 13, the support 13 is supported and fixed by the main cabinet 1, the inner side of the main cabinet 1 is rotatably connected with a cabinet door 11, the cabinet door 11 is limited by the main cabinet 1, so that the cabinet door 11 can only rotate in the inner side of the main cabinet 1, the outer wall of the main cabinet 1 is fixedly connected with evenly distributed exhaust fans 12, the main cabinet 1 supports and fixes the plurality of exhaust fans 12, and the exhaust fans 12 extract and discharge the air in the main cabinet 1, and the air inlet end of the exhaust fan 12 is provided with a one-way valve, so that the air in the main cabinet 1 can only be discharged outward when being extracted by the exhaust fan 12, and cannot flow back, the outer wall of the bottom of the main cabinet 1 is provided with a buckle assembly, the main cabinet 1 supports the buckle assembly, the clamping end of the buckle assembly is provided with a clamping rod 24, the outer side of the clamping rod 24 is clampingly connected with a clamping block 3, the clamping rod 24 clamps the clamping block 3, the outer side of the clamping block 3 is provided with a filter screen assembly, the filtering end of the filter screen assembly is provided with a filter screen 32, the filter screen 32 filters the air entering the main cabinet 1, the outer wall of the top section of the main cabinet 1 is fixedly connected with a second fixed frame 4, the main cabinet 1 supports and fixes the second fixed frame 4, the inner side of the second fixed frame 4 is provided with an atomizing assembly, the second fixed frame 4 fixes the atomizing assembly, the atomizing end of the atomizing assembly is provided with an atomizing nozzle 42, the outer side of the second fixed frame 4 is provided with a heat dissipation assembly, the heat dissipation end of the heat dissipation assembly is provided with evenly distributed ventilation holes 52, the outer side of the heat dissipation assembly is provided with a conveying assembly, the conveying end of the conveying assembly is provided with a cooling assembly, the cooling end of the cooling assembly is provided with a mounting plate 56, the outer side of the heat dissipation assembly is provided with a cleaning assembly, and the air outlet end of the cleaning assembly is provided with a ventilation pipe 61;

[0039] The cleaning assembly comprises a sealing cover 6, the sealing cover 6 is fixedly connected with the outer wall of the heat dissipation box 5, the sealing cover 6 is supported and fixed by the heat dissipation box 5, the inner side of the sealing cover 6 is fixedly connected with evenly distributed second clamping grooves 35, the sealing cover 6 fixes the second clamping grooves 35, the top wall of the sealing cover 6 is provided with evenly distributed sliding grooves 63, the top wall of the sealing cover 6 is fixedly connected with corresponding second limiting blocks 62, the sealing cover 6 supports and fixes the second limiting blocks 62, and the second limiting blocks 62 clamp the filter screen assembly being cleaned, the side of the sealing cover 6 away from the heat dissipation box 5 is fixedly connected with the ventilation pipe 61, the sealing cover 6 supports and fixes the ventilation pipe 61, and the air with water mist is conveyed by the ventilation pipe 61 after being discharged from the sealing cover 6, and then is uniformly treated;

[0040] The diameter of the filter screen 32 is the same as the inner diameter of the ventilation pipe 61, so that the entire filter screen 32 can be cleaned, and dead angles are avoided;

[0041] When the filter screen assembly is cleaned, first, the filter screen assembly in the sealing cover 6 is taken out, then the first limiting block 33, the filter screen 32 and the sealing plate 31 of the new filter screen assembly are inserted into the sealing cover 6 along the sliding groove 63, and the first limiting block 33 is clamped and limited by the second clamping groove 35, then the impurities filtered out outside the filtering surface of the filter screen 32 are cleaned by the hot air and water mist, and then the removed filter screen assembly is installed at the corresponding filter screen assembly position.

[0042] The buckle assembly comprises a limiting rod 2 fixedly connected with the outer wall of the main cabinet 1, supported and fixed by the main cabinet 1, a first fixed frame 21 slidingly connected outside the limiting rod 2 and limited by the limiting rod 2, slide rods 22 fixedly connected with the inner sides of the first fixed frame 21 and fixed by the first fixed frame 21, springs 23 slidingly connected outside the slide rods 22 and limited by the slide rods 22, so that the springs 23 slide outside the slide rods 22, and clamping rods 24 fixedly connected with the bottoms of the springs 23, supported and fixed by the springs 23, and limited by the slide rods 22, so that the clamping rods 24 slide outside the slide rods 22.

[0043] The filter screen assembly comprises a sealing plate 31 fixedly connected with the clamping block 3 and supported and fixed by the clamping block 3, a filter screen 32 fixedly connected with the sealing plate 31 and fixed by the sealing plate 31, a first limiting block 33 fixedly connected with the bottom of the sealing plate 31 and supported and fixed by the sealing plate 31, and a first clamping groove 34 fixedly connected with the outer wall of the main cabinet 1 outside the first limiting block 33, supported and fixed by the main cabinet 1, and clamping and limiting the first limiting block 33, so as to limit the bottom of the sealing plate 31.

[0044] The atomization assembly comprises a water feeding pipe 41 fixedly connected with the second fixed frame 4, supported and fixed by the second fixed frame 4, and connected with an external water feeding assembly, a mist spraying head 42 fixedly connected with the bottom of the water feeding pipe 41, fixed by the water feeding pipe 41, and used for atomizing and spraying the heat dissipation water through the mist spraying head 42, and a water inlet end of the water feeding pipe 41 connected with an external water source, so that an external water feeding device feeds the water source into the mist spraying head 42 through the water feeding pipe 41.

[0045] The heat dissipation assembly comprises a heat dissipation box 5 fixedly connected with the second fixing frame 4, the heat dissipation box 5 is supported and fixed by the second fixing frame 4, the inner wall of the heat dissipation box 5 is provided with a heat dissipation channel 51, the heat dissipation channel 51 is arranged in the gap between the ventilation holes 52, the cooling liquid is stored in the heat dissipation channel 51, the heat in the cooling liquid is transferred to the inner wall of the ventilation hole 52 through the heat dissipation box 5, and the cold and hot replacement is performed between the air inside the ventilation hole 52, so that the heat in the cooling liquid is replaced, and the atomized water sprayed by the atomizing nozzle 42 is sprayed onto the inner wall of the ventilation hole 52, so that the evaporation of the atomized water on the inner wall of the ventilation hole 52 is accelerated by the flow of air, and the cooling is accelerated by the evaporation of the atomized water.

[0046] The conveying assembly comprises a conveying pipe 53, the conveying pipe 53 is communicated with the heat dissipation channel 51, and the conveying pump 54 is arranged in the middle section of the conveying pipe 53, the cooling liquid in the heat dissipation channel 51 is extracted by the conveying pump 54 through the conveying pipe 53.

[0047] The cooling assembly comprises a cooling pipe 55, the cooling pipe 55 is fixedly connected with the water outlet end of the conveying pump 54, the cooling liquid conveyed by the conveying pump 54 is conveyed into the cooling pipe 55, the cooling pipe 55 is fixedly connected with the mounting plate 56, the heat on the mounting plate 56 is replaced by the cooling liquid in the cooling pipe 55, so that the heat emitted by the electronic elements mounted on the mounting plate 56 is directly replaced, and the cooling is fundamentally performed, the mounting plate 56 is fixedly connected with the support 13, and the mounting plate 56 is supported and fixed by the support 13.

[0048] The number of the atomizing nozzles 42 corresponds to the number of the ventilation holes 52, the spraying direction of the atomizing nozzles 42 corresponds to the ventilation holes 52, and the atomized water sprayed by the atomizing nozzles 42 flows along the air flow direction of the ventilation holes 52.

[0049] Specifically, the switch cabinet with the high-efficiency heat dissipation structure is used as follows: first, the electronic components generating heat are installed on the mounting plate 56, so that the heat on the mounting plate 56 is replaced by the cooling liquid in the cooling pipe 55 on the inner side of the mounting plate 56, the cooling liquid is extruded out of the cooling liquid in the heat dissipation channel 51 extracted by the delivery pipe 53 through the cooling pipe 55 after being heated, the cooling liquid newly supplemented continues to replace the heat on the mounting plate 56, and the heated cooling liquid is delivered into the heat dissipation channel 51 through the cooling pipe 55, so that the heat is transferred to the inner wall of the ventilation hole 52 by the cooling liquid in the heat dissipation channel 51, and the heat is replaced with the air in the ventilation hole 52, at the same time, the water is delivered into the atomizing nozzle 42 through the water delivery pipe 41 by the external water supply equipment, so that the water is atomized and sprayed out by the atomizing nozzle 42, and a part of the atomized water is attached to the inner wall of the ventilation hole 52 by the air, and the atomized water is heated and evaporated by the heat on the inner wall of the ventilation hole 52, so as to accelerate the heat dissipation efficiency.

[0050] The hot air in the main cabinet 1 is extracted by the exhaust fan 12, and the external air is supplemented into the main cabinet 1 through the filter screen 32, so as to cool the main cabinet 1, and the air entering the main cabinet 1 is filtered by the filter screen 32, and the air flows from the bottom of the main cabinet 1 to the top of the main cabinet 1, and then is extracted by the exhaust fan 12 and delivered into the ventilation hole 52, and the flow of the air on the surface of the atomized water in the ventilation hole 52 also accelerates the evaporation of the atomized water, so as to accelerate the heat dissipation efficiency.

[0051] When the filter screen assembly is disassembled, first, the first fixed frame 21 is pulled downward, the limiting rod 2 is attached to the inner wall of the top of the first fixed frame 21, the clamping of the bottom of the clamping block 3 by the first fixed frame 21 is cancelled, then the clamping rod 24 is pushed upward, the clamping of the top of the clamping block 3 by the clamping rod 24 is cancelled, the first fixed frame 21 can be turned outward around the limiting rod 2, then the clamping block 3, the sealing plate 31, the filter screen 32 and the first limiting block 33 are lifted upward as a whole, the clamping connection with the first clamping groove 34 is cancelled, and the disassembly of the filter screen assembly is completed.

[0052] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A switch cabinet with high-efficiency heat dissipation structure, comprising a main cabinet (1), characterized in that, The inner wall of the main cabinet (1) is fixedly connected with a support (13), the inner side of the main cabinet (1) is rotatably connected with a cabinet door (11), the outer wall of the main cabinet (1) is fixedly connected with evenly distributed exhaust fans (12), the bottom outer wall of the main cabinet (1) is provided with a buckle assembly, the buckle assembly is provided with a clamping rod (24) at the clamping end, the clamping rod (24) is clamped and connected with a clamping block (3) on the outer side, the outer side of the clamping block (3) is provided with a filter screen assembly, the filter screen assembly is provided with a filter screen (32) at the filtering end, the top outer wall of the main cabinet (1) is fixedly connected with a second fixed frame (4), the second fixed frame (4) is provided with an atomizing assembly on the inner side, the atomizing assembly is provided with an atomizing nozzle (42) at the atomizing end, the outer side of the second fixed frame (4) is provided with a heat dissipation assembly, the heat dissipation assembly is provided with evenly distributed ventilation holes (52) at the heat dissipation end, the outer side of the heat dissipation assembly is provided with a conveying assembly, the conveying assembly is provided with a cooling assembly at the conveying end, the cooling assembly is provided with a mounting plate (56) at the cooling end, the outer side of the heat dissipation assembly is provided with a cleaning assembly, and the cleaning assembly is provided with a ventilation pipe (61) at the air outlet end. The cleaning assembly comprises a sealing cover (6), the sealing cover (6) is fixedly connected with the outer wall of the heat dissipation box (5), the inner bottom of the sealing cover (6) is fixedly connected with evenly distributed second clamping grooves (35), the top wall of the sealing cover (6) is provided with evenly distributed sliding grooves (63), and the top wall of the sealing cover (6) is fixedly connected with corresponding second limiting blocks (62); the side, away from the heat dissipation box (5), of the sealing cover (6) is fixedly connected with the ventilation pipe (61). The diameter of the filter screen (32) is the same as the inner diameter of the ventilation pipe (61); When the filter screen assembly is cleaned, first, the filter screen assembly in the sealing cover (6) is pulled out one by one, then the first limiting block (33), the filter screen (32) and the sealing plate (31) in the new filter screen assembly are inserted into the sealing cover (6) along the sliding grooves (63), the first limiting block (33) is clamped and limited through the second clamping grooves (35), then the impurities filtered out from the outer side of the filter screen (32) are cleaned through the hot air and water mist, and then the removed filter screen assembly is installed at the corresponding filter screen assembly position.

2. The switch cabinet employing a high-efficiency heat dissipation structure according to claim 1, characterized in that, The buckle assembly comprises a limiting rod (2), the limiting rod (2) is fixedly connected with the outer wall of the main cabinet (1), the outer side of the limiting rod (2) is slidably connected with a first fixed frame (21), the inner sides of the first fixed frame (21) are fixedly connected with sliding rods (22), the outer sides of the sliding rods (22) are slidably connected with springs (23), and the bottoms of the springs (23) are fixedly connected with the clamping rods (24).

3. The switch cabinet with high-efficiency heat dissipation structure according to claim 2, characterized in that, The filter screen assembly comprises a sealing plate (31), the sealing plate (31) is fixedly connected with the clamping block (3), the sealing plate (31) is fixedly connected with the filter screen (32), the bottom of the sealing plate (31) is fixedly connected with the first limiting block (33), and the outer side of the first limiting block (33) is clampingly connected with the first clamping groove (34) fixed on the outer wall of the main cabinet (1).

4. The switch cabinet employing a high-efficiency heat dissipation structure according to claim 3, characterized in that, The atomization assembly comprises a water feeding pipe (41), the water feeding pipe (41) is fixedly connected with the second fixed frame (4), the bottom of the water feeding pipe (41) is fixedly connected with the atomization nozzle (42), and the water inlet end of the water feeding pipe (41) is connected with an external water source.

5. The switch cabinet employing a high-efficiency heat dissipation structure according to claim 4, characterized in that, The heat dissipation assembly comprises a heat dissipation box (5), the heat dissipation box (5) is fixedly connected with the second fixed frame (4), the inner wall of the heat dissipation box (5) is provided with a heat dissipation channel (51), and the heat dissipation channel (51) is arranged in the gap between the ventilation holes (52).

6. The switch cabinet employing a high-efficiency heat dissipation structure according to claim 1, characterized in that, The conveying assembly comprises a conveying pipe (53), the conveying pipe (53) is communicated with the heat dissipation channel (51), and the conveying pump (54) is arranged in the middle segment of the conveying pipe (53).

7. The switch cabinet employing a high-efficiency heat dissipation structure according to claim 6, characterized in that, The cooling assembly comprises a cooling pipe (55), the cooling pipe (55) is fixedly connected with the water outlet end of the conveying pump (54), the cooling pipe (55) is fixedly connected with the mounting plate (56), and the mounting plate (56) is fixedly connected with the support (13).

8. The switch cabinet with high-efficiency heat dissipation structure according to claim 4, characterized in that, The number of the atomization nozzles (42) corresponds to the number of the ventilation holes (52), and the spraying direction of the atomization nozzles (42) corresponds to the ventilation holes (52).

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