Dehumidification device for switch cabinet

Abstract

The present invention relates to the technical field of switch cabinets, and proposes a dehumidification device for a switch cabinet, comprising a switch cabinet body, a hollow cabinet door with a self-locking function, a dehumidification component, an air intake baffle, an exhaust baffle, a pneumatic circulation component and an air circulation control component with a custom opening and closing function. A cooling box is provided on one side of the switch cabinet body, and a cooling component is provided between the cooling box and the switch cabinet body. The hollow cabinet door is hinged on one side of the switch cabinet body, and the hollow cabinet door is in sealing contact with the switch cabinet body and the cooling box, and the switch cabinet body and the cooling box are communicated with each other. The dehumidification component is arranged in the hollow cabinet door, and the air intake baffle is sealed in the switch cabinet body. The air intake baffle divides the switch cabinet body into an air intake area and an exhaust area, and one side of the cooling box is communicated with the air intake area. Through the above technical solution, the problem that the switch cabinet in the prior art is easily affected by external humid gas in its service life is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of switch cabinets, and in particular to a dehumidification device for a switch cabinet. Background Art

[0002] Switchgear is an electrical device used in power systems. It is mainly used to receive and distribute electrical energy, and also plays a role in controlling, protecting and monitoring circuits. Switchgear can be divided into high-voltage switchgear and low-voltage switchgear according to the input and output line voltage levels. High-voltage switchgear is usually used in the high-voltage part of the power system, while low-voltage switchgear is used in the low-voltage distribution system.

[0003] However, whether it is a high-voltage switchgear or a low-voltage switchgear, a large number of electrical components need to be installed inside to complete the power distribution operation. Some electrical components will emit a large amount of heat during operation. Traditional switchgears mostly use the circulation of external air to achieve heat dissipation of the electrical components. However, when introducing external air, it is affected by the season or the external environment. When the external air humidity is high, the humid air will not only reduce the service life of the electrical components, but also easily cause rust inside the switchgear. Summary of the Invention

[0004] The present invention provides a dehumidification device for a switch cabinet, which is used to solve the problem mentioned in the background art that the service life of the switch cabinet in the prior art is easily affected by external humid gas.

[0005] The technical solution of the present invention is as follows: A dehumidification device for a switch cabinet includes a switch cabinet body, a hollow cabinet door with a self-locking function, a dehumidification component, an air intake baffle, an exhaust baffle, a pneumatic circulation component, and an air circulation control component with a customizable opening and closing function;

[0006] A cooling box is provided on one side of the switch cabinet, and a cooling component is provided between the cooling box and the switch cabinet;

[0007] The hollow cabinet door is hinged on one side of the switch cabinet body, the hollow cabinet door is in sealing contact with the switch cabinet body and the cooling box, and the switch cabinet body and the cooling box are in communication;

[0008] The dehumidification component is arranged in the hollow cabinet door;

[0009] The air intake baffle is sealed and arranged in the switch cabinet, and the air intake baffle divides the switch cabinet into an air intake area and an exhaust area, and one side of the cooling box is connected to the air intake area;

[0010] The exhaust baffle is sealed and arranged in the switch cabinet, and the exhaust baffle is located below the air intake baffle;

[0011] The pneumatic circulation component is connected to the cooling component, and the pneumatic circulation component is arranged through the switch cabinet and the air intake partition, and is connected to the exhaust partition;

[0012] The air circulation control assembly is arranged on the switch cabinet and the exhaust baffle, and the air circulation control assembly is connected to the hollow cabinet door, and is used for directionally guiding the gas in the switch cabinet.

[0013] Based on the above solution, the dehumidification component includes a mesh activated carbon box and a carbon box cover;

[0014] The mesh activated carbon box is arranged in the hollow cabinet door;

[0015] The carbon box cover seal is detachably arranged on one side of the mesh activated carbon box.

[0016] On the basis of the above scheme, the pneumatic circulation assembly includes a circulation box, an air circulation motor, an air circulation rotating rod, an air circulation fan, a bevel gear 1, a cooling rotating rod and a bevel gear 2;

[0017] The circulation box is provided through the switch cabinet and the air intake partition, and is communicated with the exhaust partition. The circulation box is provided with a plurality of air intake holes communicated with the air intake area.

[0018] The air circulation motor is installed on the circulation box, and the output end of the air circulation motor passes through the circulation box;

[0019] The air circulation rotating rod is arranged on the output end of the air circulation motor;

[0020] The air circulation fan is arranged on the air circulation rotating rod, and the air circulation fan is located below the air inlet hole;

[0021] The bevel gear 1 is arranged on the air circulation rotating rod;

[0022] The cooling rotating rod is penetrated and rotatably arranged on the circulation box;

[0023] The second bevel gear is arranged on one side of the cooling rotating rod, and the second bevel gear is meshed with the first bevel gear.

[0024] As a preferred technical solution of the present application, the air circulation control assembly includes an air circulation exhaust pipe, an air circulation elbow, an air circulation inlet pipe and an air circulation opening and closing assembly;

[0025] There are multiple circulating air exhaust pipes, which are arranged in a rectangular array and connected to each other on the exhaust baffle;

[0026] The air circulation elbow is arranged in the switch cabinet, and one end of the air circulation elbow is connected to the hollow cabinet door;

[0027] There are multiple circulating air intake pipes, one end of each circulating air intake pipe is connected to the circulating air elbow, and the other end of each circulating air intake pipe is connected to the switch cabinet;

[0028] There are multiple air circulation opening and closing components, which are penetrated and rotatably arranged on the switch cabinet body, and the air circulation opening and closing components are in sealing contact with the air circulation inlet pipe or the air circulation exhaust pipe.

[0029] Further on the basis of the above scheme, the air circulation opening and closing assembly includes an opening and closing rotating rod, an opening and closing baffle, a hexagonal adjustment rod and an adjustment block;

[0030] The opening and closing rotating rod is penetrated and rotatably arranged in the switch cabinet body, and a hexagonal driving groove is opened on one side of the opening and closing rotating rod;

[0031] The opening and closing baffle is arranged on the opening and closing rotating rod, and the opening and closing baffle is in contact with the circulating air exhaust pipe or the circulating air intake pipe;

[0032] The hexagonal adjusting rod is slidably arranged in the hexagonal driving groove, and an adjusting spring is arranged between the hexagonal adjusting rod and the opening and closing rotating rod, and the adjusting spring is located in the hexagonal driving groove;

[0033] The adjustment block is arranged on a side of the hexagonal adjustment rod away from the switch cabinet, a plurality of limit rods are arranged at equal angles on the adjustment block, and a plurality of limit grooves corresponding to the limit rods are opened on one side of the switch cabinet.

[0034] Based on the above solution, the cooling component includes a cooling coil and an infusion power group;

[0035] The cooling coil is arranged in the cooling box, one end of the cooling coil is connected to the liquid storage group, and the other end of the cooling coil is connected to the liquid drainage group, and the liquid storage group and the liquid drainage group are both arranged on the switch cabinet;

[0036] The infusion power group is communicatively arranged between the liquid storage group and the liquid discharge group, and the infusion power group is connected to the cooling rotating rod.

[0037] Further on the basis of the above solution, the liquid storage group includes a liquid storage tank;

[0038] The liquid storage tank is arranged on the switch cabinet, the liquid storage tank is communicated with the cooling coil, and a liquid storage cover is detachably provided on the liquid storage tank.

[0039] Further on the basis of the above solution, the drainage group includes a drainage box;

[0040] The drain box is arranged on the switch cabinet, the drain box is communicated with the cooling coil, and a drain cover is detachably provided on the drain box.

[0041] Further on the basis of the above solution, the infusion power group includes a gear box and an infusion gear;

[0042] The gear box is arranged on the switch cabinet;

[0043] There are two infusion gears, which are rotatably arranged in the gear box. The two infusion gears are meshed with each other, and one end of the cooling rotating rod is connected to one end of one of the infusion gears.

[0044] Further to the above solution, a plurality of equipment positioning racks for installing electrical equipment are further provided in the switch cabinet.

[0045] The working principle and beneficial effects of the present invention are:

[0046] 1. The present invention places the power components on the equipment positioning frame in the switch cabinet, opens a through hole for transmitting the cable on one side of the switch cabinet, and electrically connects the cable to the power components. The hollow cabinet door is then closed to block external moist air from entering the switch cabinet, thereby protecting the electrical components inside the switch cabinet.

[0047] 2. In the present invention, during the operation of the power element, when the power element is to be cooled, the air circulation motor is started, the output end of the air circulation motor drives the air circulation rotating rod to rotate, the rotation of the air circulation rotating rod drives the air circulation fan to rotate, and the rotation of the air circulation fan will suck the gas in the cooling box into the air intake area. The gas in the air intake area enters between the exhaust baffle and the air intake baffle through the air intake hole and the circulation box, and then the adjusting block at the corresponding position is pulled according to the area where the power element in the switch cabinet is heated. The movement of the adjusting block drives the limit rod to move, and at the same time the adjusting spring is stretched to separate the limit rod from the limit groove, and then the adjusting block is rotated The adjusting block drives the hexagonal adjusting rod to rotate, and the rotation of the hexagonal adjusting rod rotates the opening and closing rotating rod, and the rotation of the opening and closing rotating rod drives the opening and closing baffle to rotate, so that the opening and closing baffle is separated from the corresponding air circulation inlet pipe or air circulation exhaust pipe, so that the gas blown by the air circulation fan enters the switch cabinet through the air circulation exhaust pipe, blows on the electrical components, and carries the heat in the electrical components through the flow of gas. The gas carrying heat will enter the hollow cabinet door through the air circulation exhaust pipe and the air circulation elbow. When the gas carrying heat passes through the exhaust elbow, the heat in the gas will be transferred and cooled by the heat conduction of the switch cabinet;

[0048] 3. In the present invention, after the gas enters the hollow cabinet door, it passes through the mesh activated carbon box and then enters the cooling box, thus realizing the circulation of the gas in the switch cabinet. After the gas passes through the mesh activated carbon box, the activated carbon material filled in the mesh activated carbon box can adsorb the moisture and impurities in the gas, thus realizing the purification of the circulating gas.

[0049] 4. In the present invention, when gas enters the cooling box, the rotation of the gas circulation rotating rod drives the rotation of bevel gear 1, the rotation of bevel gear 1 drives the rotation of bevel gear 2, the rotation of bevel gear 2 drives the rotation of the cooling rotating rod, and the rotation of the cooling rotating rod drives the infusion gear connected to it to rotate. Through the mutual engagement of the two infusion gears, the liquid in the liquid storage tank enters the liquid drainage tank, and the liquid in the liquid drainage tank enters the liquid storage tank through the cooling coil, realizing the circulation of the cooling solution. The circulating solution also takes away the heat in the gas, thereby cooling the circulating gas, so that the circulating gas can better cool the electrical components at a fixed point. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0051] Figure 1 It is a schematic structural diagram of a partial cross-section of the present invention;

[0052] Figure 2 For the present invention Figure 1 A schematic diagram of the partially enlarged structure at point A in the middle;

[0053] Figure 3 For the present invention Figure 1 A schematic diagram of the partially enlarged structure at point B in the middle;

[0054] Figure 4 It is a schematic structural diagram of a partial cross-section of the air circulation opening and closing component of the present invention;

[0055] Figure 5 For the present invention Figure 4 A schematic diagram of the partially enlarged structure at C in the middle;

[0056] Figure 6 It is a schematic structural diagram of a partial cross-section of the cooling component in the present invention;

[0057] Figure 7 It is a schematic structural diagram of the present invention as a whole;

[0058] Figure 8 It is a structural schematic diagram of another state of the present invention as a whole.

[0059] In the figure: 001, cooling component; 002, dehumidification component; 003, pneumatic circulation component; 004, air circulation control component;

[0060] 1. Switch cabinet; 2. Cooling box; 3. Hollow cabinet door; 4. Air intake baffle; 5. Exhaust baffle; 6. Mesh activated carbon box; 7. Carbon box cover; 8. Circulation box; 9. Air circulation motor; 10. Air circulation rotating rod; 11. Air circulation fan; 12. Bevel gear 1; 13. Cooling rotating rod; 14. Bevel gear 2; 15. Air circulation exhaust pipe; 16. Air circulation elbow; 17. Air circulation air intake pipe; 18. Opening and closing rotating rod; 19. Opening and closing baffle; 20. Hexagonal adjusting rod; 21. Adjusting spring; 22. Adjusting block; 23. Limiting rod; 24. Cooling coil; 25. Liquid storage tank; 26. Liquid storage cover; 27. Drain box; 28. Drain cover; 29. ​​Gear box; 30. Infusion gear; 31. Equipment positioning frame. DETAILED DESCRIPTION

[0061] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0062] like Figures 1 to 8 As shown, this embodiment proposes a dehumidification device for a switch cabinet, including a switch cabinet body 1, a hollow cabinet door 3 with a self-locking function, a dehumidification component 002, an air intake baffle 4, an exhaust baffle 5, a pneumatic circulation component 003 and an air circulation control component 004 with a custom opening and closing function. A plurality of equipment positioning racks 31 for installing electrical equipment are also provided in the switch cabinet body 1.

[0063] As mentioned above, a cooling box 2 is provided on one side of the switch cabinet 1, and a cooling component 001 is provided between the cooling box 2 and the switch cabinet 1. The cooling component 001 includes a cooling coil 24 and an infusion power group. The cooling coil 24 is arranged throughout the cooling box 2, and one end of the cooling coil 24 is connected to the liquid storage group, and the other end of the cooling coil 24 is connected to the drainage group. The liquid storage group and the drainage group are both arranged on the switch cabinet 1, and the infusion power group is connected between the liquid storage group and the drainage group, and the infusion power group is connected to the cooling rotating rod 13.

[0064] Among them, the liquid storage group includes a liquid storage tank 25, which is arranged on the switch cabinet body 1, and the liquid storage tank 25 is connected to the cooling coil 24. The liquid storage tank 25 is detachably provided with a liquid storage cover 26. The drainage group includes a drainage tank 27, which is arranged on the switch cabinet body 1, and the drainage tank 27 is connected to the cooling coil 24. The drainage tank 27 is detachably provided with a drainage cover 28. The liquid storage cover 26 and the drainage cover 28 are used to replace or add solutions in the liquid storage tank 25 and the drainage tank 27.

[0065] Among them, the infusion power group includes a gear box 29 and an infusion gear 30. The gear box 29 is set on the switch cabinet 1. There are two infusion gears 30. The infusion gears 30 are rotatably set in the gear box 29. The two infusion gears 30 are engaged with each other. Through the rotation of the two infusion gears 30, the liquid in the liquid storage tank 25 can enter the drainage tank 27. The liquid in the drainage tank 27 enters the liquid storage tank 25 through the cooling coil 24, realizing the circulation of the cooling solution. The circulating solution will also take away the heat in the gas, realizing the cooling of the circulating gas, so that the circulating gas can better cool the electrical components at a fixed point.

[0066] As mentioned above, the hollow cabinet door 3 is hinged on one side of the switch cabinet body 1, the hollow cabinet door 3 is in sealed contact with the switch cabinet body 1 and the cooling box 2, and the switch cabinet body 1 and the cooling box 2 are connected. A fixed lock needs to be set between the hollow cabinet door 3 and the switch cabinet body 1 to facilitate the fixation of the position of the hollow cabinet door 3.

[0067] The fixed lock is locked by a magnetic fixed lock or an electronic lock in the prior art, which can ensure that the switch cabinet 1 and the cooling box 2 are in close contact.

[0068] As mentioned above, the dehumidification component 002 is arranged in the hollow cabinet door 3, and the dehumidification component 002 includes a mesh activated carbon box 6 and a carbon box cover 7. The mesh activated carbon box 6 is arranged in the hollow cabinet door 3, and the carbon box cover 7 is sealed and detachably arranged on one side of the mesh activated carbon box 6.

[0069] Specifically, by filling the mesh activated carbon box 6 with activated carbon particles, moisture or impurities in the air can be adsorbed to ensure that the cooled air does not cause corrosion or dirt to the electrical components when cooling the electrical components, thereby ensuring the service life of the electrical components. When the activated carbon particles become saturated after long-term use, the activated carbon particles need to be replaced in time.

[0070] As mentioned above, the air intake partition 4 is sealed and arranged in the switch cabinet 1. The air intake partition 4 divides the switch cabinet 1 into an air intake area and an exhaust area. One side of the cooling box 2 is connected to the air intake area.

[0071] As mentioned above, the exhaust baffle 5 is sealed and disposed in the switch cabinet 1 , and the exhaust baffle 5 is located below the air intake baffle 4 .

[0072] The pneumatic circulation component 003 is connected to the cooling component 001. The pneumatic circulation component 003 is set on the switch cabinet 1 and the air intake partition 4, and is connected to the exhaust partition 5. The pneumatic circulation component 003 includes a circulation box 8, an air circulation motor 9, an air circulation rod 10, an air circulation fan 11, a bevel gear 12, a cooling rod 13 and a bevel gear 2 14. The circulation box 8 is set on the switch cabinet 1 and the air intake partition 4, and the circulation box 8 is connected to the exhaust partition 5. A plurality of air intake holes connected to the air intake area are opened on the circulation box 8. The air motor 9 is installed on the circulation box 8, and the output end of the air circulation motor 9 passes through the circulation box 8. The air circulation rotating rod 10 is set on the output end of the air circulation motor 9. The air circulation fan 11 is set on the air circulation rotating rod 10. The air circulation fan 11 is located below the air inlet hole. The bevel gear 12 is set on the air circulation rotating rod 10. The cooling rotating rod 13 passes through and rotates on the circulation box 8. One end of the cooling rotating rod 13 is connected to one end of one of the infusion gears 30. The bevel gear 2 14 is set on one side of the cooling rotating rod 13, and the bevel gear 2 14 is engaged with the bevel gear 12.

[0073] Specifically, the air circulation motor 9 is started, and the output end of the air circulation motor 9 drives the air circulation rotating rod 10 to rotate. The rotation of the air circulation rotating rod 10 drives the air circulation fan 11 to rotate. The rotation of the air circulation fan 11 will suck the gas in the cooling box 2 into the air intake area. The gas entering the air intake area enters between the exhaust baffle 5 and the air intake baffle 4 through the air intake through-hole and the circulation box 8. The rotation of the air circulation rotating rod 10 will drive the bevel gear 12 to rotate. The rotation of the bevel gear 12 drives the bevel gear 2 14 to rotate. The rotation of the bevel gear 2 14 drives the cooling rotating rod 13 to rotate. The rotation of the cooling rotating rod 13 drives the infusion gear 30 connected thereto to rotate. Through the transmission of the two infusion gears 30 meshing with each other, the liquid in the liquid storage tank 25 enters the liquid drainage tank 27. The liquid in the liquid drainage tank 27 enters the liquid storage tank 25 through the cooling coil 24, thereby realizing the circulation of the cooling solution.

[0074] As mentioned above, the air circulation control component 004 is arranged on the switch cabinet 1 and the exhaust baffle 5, and the air circulation control component 004 is connected to the hollow cabinet door 3, and is used to directional guide the gas in the switch cabinet 1. The air circulation control component 004 includes an air circulation exhaust pipe 15, an air circulation elbow 16, an air circulation intake pipe 17 and an air circulation opening and closing component. There are multiple air circulation exhaust pipes 15, and the air circulation exhaust pipes 15 are connected and arranged on the exhaust baffle 5 in a rectangular array. The air circulation elbow 16 is arranged in the switch cabinet 1, and one end of the air circulation elbow 16 is connected to the hollow cabinet door 3. There are multiple air circulation intake pipes 17, and one end of the air circulation intake pipe 17 is connected and arranged on the air circulation elbow 16, and the other end of the air circulation intake pipe 17 is connected to the switch cabinet 1. There are multiple air circulation opening and closing components, and the air circulation opening and closing components are penetrated and rotatably arranged on the switch cabinet 1. The air circulation opening and closing components are in sealing contact with the air circulation intake pipe 17 or the air circulation exhaust pipe 15.

[0075] Among them, the air circulation opening and closing assembly includes an opening and closing rotating rod 18, an opening and closing baffle 19, a hexagonal adjusting rod 20 and an adjusting block 22. The opening and closing rotating rod 18 is penetrated and rotatably arranged in the switch cabinet 1. A hexagonal driving groove is provided on one side of the opening and closing rotating rod 18. The opening and closing baffle 19 is provided on the opening and closing rotating rod 18. The opening and closing baffle 19 is in contact with the air circulation exhaust pipe 15 or the air circulation intake pipe 17. The hexagonal adjusting rod 20 is slidably provided in the hexagonal driving groove. An adjusting spring 21 is provided between the hexagonal adjusting rod 20 and the opening and closing rotating rod 18. The adjusting spring 21 is located in the hexagonal driving groove. The adjusting block 22 is provided on the side of the hexagonal adjusting rod 20 away from the switch cabinet 1. A plurality of limit rods 23 are provided at equal angles on the adjusting block 22. A plurality of limit grooves corresponding to the limit rods 23 are provided on one side of the switch cabinet 1.

[0076] Specifically, according to the area where the electrical components in the switch cabinet 1 are heated, the adjusting block 22 at the corresponding position is pulled, and the movement of the adjusting block 22 drives the limit rod 23 to move, and at the same time stretches the adjusting spring 21, so that the limit rod 23 is separated from the limit groove, and then the adjusting block 22 is rotated, and the adjusting block 22 drives the hexagonal adjusting rod 20 to rotate. The rotation of the hexagonal adjusting rod 20 rotates the opening and closing rotating rod 18, and the rotation of the opening and closing rotating rod 18 drives the opening and closing baffle 19 to rotate, so that the opening and closing baffle 19 is separated from the corresponding air circulation inlet pipe 17 or air circulation exhaust pipe 15, so that the gas blown by the air circulation fan 11 enters the switch cabinet 1 through the air circulation exhaust pipe 15 to blow on the electrical components, and the heat in the electrical components is carried away by the flow of gas. The gas carrying heat will enter the hollow cabinet door 3 through the air circulation exhaust pipe 15 and the air circulation elbow 16. When the gas carrying heat passes through the exhaust elbow, the heat in the gas will be conducted and cooled down under the heat conduction of the switch cabinet 1.

[0077] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A dehumidification device for a switch cabinet, characterized in that: include: A switch cabinet (1), wherein a cooling box (2) is provided on one side of the switch cabinet (1), and a cooling component (001) is provided between the cooling box (2) and the switch cabinet (1); A hollow cabinet door (3) with a self-locking function, the hollow cabinet door (3) being hinged on one side of the switch cabinet (1), the hollow cabinet door (3) being in sealing contact with the switch cabinet (1) and the cooling box (2), and the switch cabinet (1) and the cooling box (2) being in communication; A dehumidification component (002), the dehumidification component (002) being arranged in the hollow cabinet door (3); An air intake baffle (4), the air intake baffle (4) being sealed and arranged in the switch cabinet (1), the air intake baffle (4) dividing the switch cabinet (1) into an air intake area and an exhaust area, and one side of the cooling box (2) being connected to the air intake area; An exhaust baffle (5), the exhaust baffle (5) being sealed and arranged in the switch cabinet (1), and the exhaust baffle (5) being located below the air intake baffle (4); A pneumatic circulation component (003), the pneumatic circulation component (003) is connected to the cooling component (001), the pneumatic circulation component (003) is arranged through the switch cabinet (1) and the air intake partition (4), and is connected to the exhaust partition (5); An air circulation control component (004) with a customizable opening and closing function, the air circulation control component (004) being arranged on the switch cabinet (1) and the exhaust baffle (5), and the air circulation control component (004) being connected to the hollow cabinet door (3) for directional guidance of the gas in the switch cabinet (1); The air circulation control component (004) comprises: A circulating air exhaust pipe (15), wherein a plurality of the circulating air exhaust pipes (15) are provided, and the circulating air exhaust pipes (15) are arranged in a rectangular array and are connected to the exhaust baffle (5); An air circulation elbow (16), the air circulation elbow (16) being arranged in the switch cabinet (1), and one end of the air circulation elbow (16) being connected to the hollow cabinet door (3); A circulating air intake pipe (17), wherein a plurality of circulating air intake pipes (17) are provided, one end of the circulating air intake pipe (17) is connected to the circulating air elbow (16), and the other end of the circulating air intake pipe (17) is connected to the switch cabinet (1); A gas circulation opening and closing component, wherein a plurality of the gas circulation opening and closing components are provided, the gas circulation opening and closing components are penetrated and rotatably arranged on the switch cabinet (1), and the gas circulation opening and closing components are in sealing contact with the gas circulation inlet pipe (17) or the gas circulation exhaust pipe (15); The air circulation opening and closing component includes: An opening and closing rotating rod (18), the opening and closing rotating rod (18) passes through and is rotatably arranged in the switch cabinet (1), and a hexagonal driving groove is opened on one side of the opening and closing rotating rod (18); an opening and closing baffle (19), the opening and closing baffle (19) being arranged on the opening and closing rotating rod (18), the opening and closing baffle (19) being in contact with the circulating air exhaust pipe (15) or the circulating air intake pipe (17); A hexagonal adjusting rod (20), the hexagonal adjusting rod (20) being slidably disposed in the hexagonal driving groove, a positioning spring (21) being disposed between the hexagonal adjusting rod (20) and the opening and closing rotating rod (18), the positioning spring (21) being located in the hexagonal driving groove; A positioning block (22) is provided on a side of the hexagonal positioning rod (20) away from the switch cabinet (1); a plurality of limiting rods (23) are provided on the positioning block (22) at equal angles; and a plurality of limiting grooves corresponding to the limiting rods (23) are provided on one side of the switch cabinet (1).

2. A dehumidification device for a switch cabinet according to claim 1, characterized in that: The dehumidification component (002) comprises: A mesh activated carbon box (6), the mesh activated carbon box (6) being arranged in the hollow cabinet door (3); A carbon box cover (7) is sealed and detachably arranged on one side of the mesh activated carbon box (6).

3. A dehumidification device for a switch cabinet according to claim 2, characterized in that: The pneumatic circulation component (003) comprises: A circulation box (8), the circulation box (8) being arranged through the switch cabinet (1) and the air intake partition (4), and the circulation box (8) being connected to the exhaust partition (5), and the circulation box (8) being provided with a plurality of air intake holes connected to the air intake area; An air circulation motor (9), the air circulation motor (9) is mounted on the circulation box (8), and the output end of the air circulation motor (9) passes through the circulation box (8); An air circulation rotating rod (10), the air circulation rotating rod (10) being arranged on the output end of the air circulation motor (9); An air circulation fan (11), the air circulation fan (11) is arranged on the air circulation rotating rod (10), and the air circulation fan (11) is located below the air inlet hole; Bevel gear one (12), the bevel gear one (12) being arranged on the air circulation rotating rod (10); A cooling rotating rod (13), the cooling rotating rod (13) penetrates and is rotatably arranged on the circulation box (8); Bevel gear 2 (14), the bevel gear 2 (14) is arranged on one side of the cooling rotating rod (13), and the bevel gear 2 (14) is meshed with the bevel gear 1 (12).

4. A dehumidification device for a switch cabinet according to claim 3, characterized in that: The cooling component (001) comprises: A cooling coil (24), the cooling coil (24) is arranged to penetrate the cooling box (2), one end of the cooling coil (24) is connected to a liquid storage group, and the other end of the cooling coil (24) is connected to a liquid discharge group, and the liquid storage group and the liquid discharge group are both arranged on the switch cabinet (1); An infusion power group is arranged between the liquid storage group and the liquid discharge group, and the infusion power group is connected to the cooling rotating rod (13).

5. The dehumidification device for a switch cabinet according to claim 4, characterized in that: The liquid storage group includes: A liquid storage tank (25), the liquid storage tank (25) is arranged on the switch cabinet (1), the liquid storage tank (25) is connected to the cooling coil (24), and a liquid storage cover (26) is detachably provided on the liquid storage tank (25).

6. The dehumidification device for a switch cabinet according to claim 5, characterized in that: The drainage group includes: A drain box (27), the drain box (27) is arranged on the switch cabinet (1), the drain box (27) is connected to the cooling coil (24), and a drain cover (28) is detachably provided on the drain box (27).

7. A dehumidification device for a switch cabinet according to claim 6, characterized in that: The infusion power group includes: A gear box (29), the gear box (29) being arranged on the switch cabinet (1); Infusion gears (30), two of which are provided. The infusion gears (30) are rotatably arranged in the gear box (29), the two infusion gears (30) are meshed with each other, and one end of the cooling rotating rod (13) is connected to one end of one of the infusion gears (30).

8. The dehumidification device for a switch cabinet according to claim 7, characterized in that: A plurality of equipment positioning frames (31) for installing electrical equipment are also provided in the switch cabinet (1).

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