Moistureproof and waterproof high-voltage cabinet

Abstract

The invention provides a moisture-proof and waterproof high-voltage cabinet, and relates to the moisture-proof and waterproof technical field of high-voltage cabinets. The moisture-proof and waterproof high-voltage cabinet comprises a high-voltage cabinet body, a movable cavity is formed in the left side wall of the high-voltage cabinet body, a switching turntable is rotatably connected in the movable cavity, four mounting grooves are formed in the switching turntable, and drying assemblies are mounted in the mounting grooves. In addition, an exhaust fan, a gas conveying pipe, a heat conduction mounting plate, a heat conduction rod and a heat conduction sleeve are arranged, so that heat gas in the high-voltage cabinet body and heat generated by electric appliance elements can further heat gas conveyed in the gas conveying pipe under the action of the heat conduction mounting plate, the heat conduction rod and the heat conduction sleeve; and in the process, the problem that a worker replaces the drying assembly is effectively solved, and convenience is provided for the worker.

Description

Technical Field

[0001] The invention relates to the technical field of moisture-proof and waterproof high-voltage cabinets, in particular to a moisture-proof and waterproof high-voltage cabinet. Background Art

[0002] When the high-voltage cabinet is in operation, the internal electrical components will generate heat. Therefore, corresponding air inlets and outlets will be set when producing the corresponding high-voltage cabinet to achieve the purpose of heat dissipation and avoid damage to the electrical components inside the high-voltage cabinet due to excessive temperature during operation.

[0003] In the prior art, in order to prevent water and humid gas from entering from the air inlet, a corresponding water shield is provided, and at the same time a corresponding gas drying structure is provided at the position of the air inlet to prevent humid gas from entering. However, the existing gas drying structure needs to be replaced by the staff after each use for a period of time, which brings inconvenience to the staff. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the deficiencies in the prior art, the present invention provides a moisture-proof and waterproof high-voltage cabinet, which solves the problem that the internal gas drying structure of the air inlet of the existing high-voltage cabinet needs to be manually replaced by staff after being used for a period of time, causing inconvenience to the staff.

[0005] (II) Technical solution To achieve the above objectives, the present invention is implemented through the following technical solutions: a moisture-proof and waterproof high-voltage cabinet, comprising a high-voltage cabinet body, a movable cavity is arranged inside the left side wall of the high-voltage cabinet body, a switching turntable is rotatably connected inside the movable cavity, four installation slots are arranged inside the switching turntable, and a drying component is installed inside the installation slot; A through hole is provided on the left inner wall of the high-voltage cabinet, an air inlet, an air outlet and an inspection port are provided on the left side wall of the high-voltage cabinet, and the air inlet is arranged corresponding to the through hole, a switching motor is also fixedly connected to the left inner wall of the high-voltage cabinet, and the switching motor is located behind the through hole, and the output shaft of the switching motor is fixedly connected to the switching turntable; An exhaust fan is fixedly connected to the right side wall of the high-pressure cabinet, and the air inlet of the exhaust fan is connected to the active cavity, the air outlet of the exhaust fan is fixedly connected to a gas delivery pipe, and the end of the gas delivery pipe away from the exhaust fan is connected to the active cavity, a heat-conducting mounting plate is fixedly connected to the rear inner wall of the high-pressure cabinet, a plurality of heat-conducting rods are fixedly connected to the rear side wall of the heat-conducting mounting plate, one end of the heat-conducting rod located at the rear of the high-pressure cabinet is fixedly connected to a heat-conducting sleeve, and the heat-conducting sleeve covers the gas delivery pipe, and a protective cover is fixedly connected to the rear side wall of the high-pressure cabinet, and the heat-conducting sleeve is located inside the protective cover.

[0006] Preferably, the drying assembly includes a fixed frame, drying cotton, a telescopic rod, a spring, a squeezing plate and a pulling hole. The fixed frame is clamped in the interior of the mounting groove, the drying cotton is installed on the fixed frame, the number of the telescopic rods is four, and two are fixedly connected to the left side wall of the fixed frame in a group, the squeezing plate is fixedly connected to the other end of the telescopic rod, the number of the springs is the same as the number of the telescopic rods, and the springs are sleeved on the telescopic rods, and the pulling hole is provided inside the squeezing plate.

[0007] Preferably, there are two squeezing plates on each drying assembly, and they are arranged corresponding to each group of telescopic rods, and the cross-sectional shape of the squeezing plates is an isosceles trapezoid.

[0008] Preferably, four sealing rings are fixedly connected to the left and right side walls of the switching turntable, and the sealing rings are arranged corresponding to the mounting grooves, and the sealing rings are in contact with the inner wall of the active cavity.

[0009] Preferably, the air outlet is located behind the air inlet, and the air outlet has the same size as the air inlet, and the sizes of the air outlet and the air inlet are smaller than the size of the mounting groove. The inspection port is located below the air outlet and the air inlet, and the size of the inspection port is the same as the size of the mounting groove. The gas delivery pipe is arranged corresponding to the air outlet.

[0010] Preferably, a fixing bracket is fixedly connected to the inner wall of the through hole, an air humidity sensor is fixedly connected to the fixing bracket, and a filter is fixedly connected to the inner wall of the air inlet.

[0011] Preferably, two water shields and an inspection door are also provided on the left side wall of the high-voltage cabinet, the two water shields are respectively provided corresponding to the air outlet and the air inlet, the inspection door is provided corresponding to the inspection port, a first handle is fixedly connected to the left side wall of the inspection door, a blocking plate is fixedly connected to the right side wall of the inspection door, and the blocking plate is located inside the inspection port.

[0012] Preferably, a sealing groove is provided on the front side wall of the high-voltage cabinet, a cabinet door is provided on the front side of the high-voltage cabinet, and the cabinet door is rotatably connected to the high-voltage cabinet, a sealing ring is fixedly connected to the edge position of the rear side wall of the cabinet door, and the sealing ring is used in conjunction with the sealing groove, a controller is fixedly connected to the middle position of the rear side wall of the cabinet door, and a second handle is fixedly connected to the front side wall of the cabinet door.

[0013] A working method of a moisture-proof and waterproof high-voltage cabinet comprises the following specific steps: S1. When the electrical components inside the high-voltage cabinet are working, the exhaust fan is always in working state, and the external gas enters from the air inlet, and the drying cotton on the drying component dries the incoming gas; S2. The air humidity sensor monitors the incoming gas in real time. When the air humidity data monitored by the air humidity sensor is higher than the preset value, the controller controls the switching motor to work, and the switching motor controls the switching turntable to rotate 90 degrees, thereby realizing the switching of the drying components; S3. In addition, the exhaust fan extracts the hot air generated by the internal electrical components due to work, and transports it to the inside of the active cavity through the gas delivery pipe, and performs hot air drying operation on the replaced wet drying cotton, and finally the gas is discharged from the air outlet. At the same time, the heat generated by the electrical components further heats the gas inside the gas delivery pipe under the action of the heat-conducting mounting plate, the heat-conducting rod and the heat-conducting sleeve; S4. When the drying component needs to be repaired or replaced, the inspection door is opened by the first handle, and the extrusion plate is automatically popped out by the spring. Finally, the staff takes out the drying component inside the installation slot for repair or replacement.

[0014] (III) Beneficial effects The present invention provides a moisture-proof and waterproof high-voltage cabinet. It has the following beneficial effects: 1. The present invention, by arranging an active cavity, a switching turntable and a switching motor in the side wall of the high-voltage cabinet, and installing a plurality of drying components inside the switching turntable, is convenient for switching the drying components. In addition, by arranging an exhaust fan, a gas delivery pipe, a heat-conducting mounting plate, a heat-conducting rod and a heat-conducting sleeve, the heat gas inside the high-voltage cabinet and the heat generated by the electrical components are further heated by the heat-conducting mounting plate, the heat-conducting rod and the heat-conducting sleeve to further heat the gas transported inside the gas delivery pipe, so that the transported gas dries the drying cotton after moisture absorption. This process effectively solves the problem of staff replacing the drying components and provides convenience for the staff.

[0015] 2. In the present invention, the telescopic rod, spring, extrusion plate and pulling hole are arranged on the drying component, so that the staff can disassemble and repair the drying component at a later time. In addition, the arrangement of the spring facilitates the extrusion and positioning of the drying cotton during the rotation process, thereby ensuring the stability during the rotation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a moisture-proof and waterproof high-voltage cabinet proposed by the present invention; Figure 2 This is a schematic diagram of the internal structure of a moisture-proof and waterproof high-voltage cabinet proposed by the present invention; Figure 3 A partial side wall cross-sectional view of a high-voltage cabinet body of a moisture-proof and waterproof high-voltage cabinet proposed by the present invention; Figure 4 A side view of a switching turntable of a moisture-proof and waterproof high-voltage cabinet proposed by the present invention; Figure 5This is a front cross-sectional view of a switching turntable of a moisture-proof and waterproof high-voltage cabinet proposed by the present invention; Figure 6 A cross-sectional view of the rear wall of a high-voltage cabinet body of a moisture-proof and waterproof high-voltage cabinet proposed by the present invention; Figure 7 A side sectional view of a moisture-proof and waterproof high-voltage cabinet proposed by the present invention; Figure 8 for Figure 7 Schematic diagram of the structure of A; Fig. 9 This is a schematic structural diagram of the left side wall of a high-voltage cabinet body of a moisture-proof and waterproof high-voltage cabinet proposed by the present invention; Fig.10 A front view of an inspection door of a moisture-proof and waterproof high-voltage cabinet proposed by the present invention; Fig.11 This is a rear view of a cabinet door of a moisture-proof and waterproof high-voltage cabinet proposed by the present invention.

[0017] Among them, 1. high-voltage cabinet; 2. movable cavity; 3. switching turntable; 4. through hole; 5. fixed bracket; 6. air humidity sensor; 7. air inlet; 8. filter; 9. installation slot; 10. drying component; 11. switching motor; 12. exhaust fan; 13. gas delivery pipe; 14. heat-conducting mounting plate; 15. heat-conducting rod; 16. heat-conducting sleeve; 17. protective cover; 18. air outlet; 19. inspection port; 20. water shield; 21. inspection door; 22. first handle; 23. blocking plate; 24. cabinet door; 25. second handle; 26. sealing ring; 27. controller; 28. sealing slot; 29. ​​sealing ring; 101. fixed frame; 102. drying cotton; 103. telescopic rod; 104. spring; 105. extrusion plate; 106. pulling hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments 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 creative work are within the scope of protection of the present invention. Example

[0019] like Figure 1-11As shown, an embodiment of the present invention provides a moisture-proof and waterproof high-voltage cabinet, including a high-voltage cabinet body 1, an active cavity 2 is arranged inside the left side wall of the high-voltage cabinet body 1, and the arrangement of the active cavity 2 facilitates the switching turntable 3 to drive the drying component 10 to rotate, thereby realizing the conversion of the drying component 10, the internal rotation of the active cavity 2 is connected with the switching turntable 3, the interior of the switching turntable 3 is provided with four installation grooves 9, and the interior of the installation groove 9 is installed with the drying component 10, and the function of the drying component 10 is mainly to dry the gas and play a moisture-proof role; A through hole 4 is provided on the left inner wall of the high-voltage cabinet 1, and an air inlet 7, an air outlet 18 and an inspection port 19 are provided on the left side wall of the high-voltage cabinet 1, and the air inlet 7 is provided corresponding to the through hole 4. A switching motor 11 is also fixedly connected to the left inner wall of the high-voltage cabinet 1, and the switching motor 11 is located behind the through hole 4. The output shaft of the switching motor 11 is fixedly connected to the switching turntable 3. The switching motor 11 is mainly used to control the rotation of the switching turntable 3, and each rotation angle is 90 degrees. The drying component 10 located at the air inlet 7 rotates after being wet and is rotated to the bottom; An exhaust fan 12 is fixedly connected to the right side wall of the high-voltage cabinet 1, and the air inlet of the exhaust fan 12 is connected to the active chamber 2. The main function of the exhaust fan 12 is to extract the high-temperature gas generated by the operation of the electrical components inside the high-voltage cabinet 1, and to transport it to the inside of the active chamber 2 under the action of the gas delivery pipe 13, to dry the drying component 10 at the rear, and finally the gas is discharged from the air outlet 18. It should be noted that each drying component 10 is independent of each other under the action of the sealing ring 29. Therefore, the incoming gas will first dry the drying component 10 after entering the interior of the active chamber 2, and finally be discharged from the air outlet 18. Similarly, the gas entering from the air inlet 7 first enters the active chamber 2, is dried under the action of the drying component 10, and finally enters the interior of the high-voltage cabinet 1 from the through hole 4. The air outlet of the exhaust fan 12 is fixedly connected to the gas delivery pipe 13. The end of the gas delivery pipe 13 away from the exhaust fan 12 is connected to the active chamber 2. The rear of the high-voltage cabinet 1 A heat-conducting mounting plate 14 is fixedly connected to the inner wall, and the heat-conducting mounting plate 14 is mainly used for installing and fixing electrical components. In addition, the heat-conducting mounting plate 14 extends to the inner top of the high-voltage cabinet 1. Because the heat generated will extend to the top of the high-voltage cabinet 1, the utilization rate of heat can be fully improved. A plurality of heat-conducting rods 15 are fixedly connected to the rear side wall of the heat-conducting mounting plate 14. The heat-conducting rods 15 are located at one end of the rear of the high-voltage cabinet 1 and are fixedly connected to a heat-conducting sleeve 16, and the heat-conducting sleeve 16 covers the gas delivery pipe 13. A protective cover 17 is fixedly connected to the rear side wall of the high-voltage cabinet 1, and the heat-conducting sleeve 16 is located inside the protective cover 17. The setting of the protective cover 17 is mainly to protect the heat-conducting sleeve 16 to prevent the heat-conducting sleeve 16 from being damaged by external factors. The setting of the heat-conducting mounting plate 14, the heat-conducting rods 15 and the heat-conducting sleeve 16 is mainly to conduct the heat generated by the electrical components, mainly to the gas delivery pipe 13, and further heat the gas inside the gas delivery pipe 13.

[0020] The drying component 10 includes a fixed frame 101, drying cotton 102, a telescopic rod 103, a spring 104, a squeezing plate 105 and a pulling hole 106, wherein the drying cotton 102 is mainly used to absorb moisture and dry the moisture in the air, and the telescopic rod 103 is mainly used to limit the squeezing plate 105. When the squeezing plate 105 is squeezed, the spring 104 is in a compressed state. The reaction force of the spring 104 is used to squeeze the fixed frame 101, thereby ensuring the stability of the rotation of the drying cotton 102 during the rotation of the drying component 10. The setting of the pulling hole 106 is convenient for maintenance personnel to pull the drying component 10 out from the inside of the installation slot 9; The fixed frame 101 is clamped in the inside of the mounting groove 9, the drying cotton 102 is installed on the fixed frame 101, the number of telescopic rods 103 is four, and two are fixedly connected to the left side wall of the fixed frame 101 in a group, the extrusion plate 105 is fixedly connected to the other end of the telescopic rod 103, the number of springs 104 is the same as the number of telescopic rods 103, and the springs 104 are sleeved on the telescopic rods 103, the pulling hole 106 is arranged in the extrusion plate 105, the number of extrusion plates 105 on each drying component 10 is two, and they are arranged corresponding to each group of telescopic rods 103, and the cross-sectional shape of the extrusion plate 105 is an isosceles trapezoid, which is convenient for the extrusion plate 105 to be squeezed into the inside of the mounting groove 9.

[0021] Four sealing rings 29 are fixedly connected to the left and right side walls of the switching turntable 3, and the sealing rings 29 are arranged corresponding to the mounting grooves 9. The arrangement of the sealing rings 29 mainly plays a sealing effect to prevent gas from flowing between the four drying components 10 at the same time. The sealing rings 29 fit the inner wall of the active chamber 2. The air outlet 18 is located behind the air inlet 7, and the air outlet 18 has the same size as the air inlet 7. The size of the air outlet 18 and the air inlet 7 is smaller than the size of the mounting groove 9 to prevent the extrusion plate 105 from entering. The inspection port 19 is located below the air outlet 18 and the air inlet 7. The size of the inspection port 19 is the same as the size of the mounting groove 9. When the drying component 10 is rotated to the position of the inspection port 19, the staff opens the inspection door 21. At this time, the extrusion plate 105 automatically pops up under the action of the spring 104, which is convenient for the staff to remove the drying component 1 0 is pulled out from the inside of the installation groove 9, the gas delivery pipe 13 is arranged corresponding to the air outlet 18, so that the hot gas dries the wet drying component 10 and is discharged directly from the air outlet 18. A fixed bracket 5 is fixedly connected to the inner wall of the through hole 4, and an air humidity sensor 6 is fixedly connected to the fixed bracket 5. The air humidity sensor 6 mainly monitors the gas dried by the drying component 10 in real time, and sends the detected data to the controller 27. When the detected gas humidity data is lower than the preset value, the controller 27 controls the switching motor 11 not to work. When the detected gas humidity data is higher than the preset value, the controller 27 controls the switching motor 11 to work. A filter screen 8 is fixedly connected to the inner wall of the air inlet 7. The filter screen 8 mainly filters the incoming gas to prevent dust from entering. The dust on the filter screen 8 needs to be cleaned regularly.

[0022] Two water shields 20 and an inspection door 21 are also provided on the left side wall of the high-voltage cabinet 1. The water shield 20 is mainly used to block water to prevent water from entering from the air outlet 18 and the air inlet 7. The two water shields 20 are respectively arranged corresponding to the air outlet 18 and the air inlet 7, and the inspection door 21 is arranged corresponding to the inspection port 19. A first handle 22 is fixedly connected to the left side wall of the inspection door 21. The main function of the first handle 22 is to open the inspection door 21. A blocking plate 23 is fixedly connected to the right side wall of the inspection door 21, and the blocking plate 23 is located inside the inspection port 19. The main function of the blocking plate 23 is to block the extrusion plate 105. In addition, the inner side surface of the blocking plate 23 is flush with the inner wall of the active cavity 2, which is convenient for the rotation of the extrusion plate 105. The high-voltage cabinet 1 A sealing groove 28 is provided on the front side wall, a cabinet door 24 is provided on the front side of the high-voltage cabinet body 1, and the cabinet door 24 is rotatably connected to the high-voltage cabinet body 1, a sealing ring 26 is fixedly connected to the edge of the rear side wall of the cabinet door 24, and the sealing ring 26 is used in conjunction with the sealing groove 28, wherein the main purpose of the sealing groove 28 and the sealing ring 26 is to seal to prevent rainwater or humid gas from entering the interior through the gap between the cabinet door 24 and the high-voltage cabinet body 1, a controller 27 is fixedly connected to the middle position of the rear side wall of the cabinet door 24, the controller 27 is mainly used to control the operation of the exhaust fan 12, the switching motor 11 and the internal electrical components, and a second handle 25 is fixedly connected to the front side wall of the cabinet door 24, the second handle 25 is mainly used to control the opening and closing of the cabinet door 24.

[0023] A working method of a moisture-proof and waterproof high-voltage cabinet comprises the following specific steps: S1. During the operation of the electrical components inside the high-voltage cabinet 1, the exhaust fan 12 is always in operation, and the external air enters from the air inlet 7, while the drying cotton 102 on the drying assembly 10 dries the incoming air; S2, the air humidity sensor 6 monitors the incoming gas in real time. When the air humidity data monitored by the air humidity sensor 6 is higher than the preset value, the controller 27 controls the switching motor 11 to work, and the switching motor 11 controls the switching turntable 3 to rotate 90 degrees, thereby realizing the switching of the drying component 10; S3, in addition, the exhaust fan 12 extracts the hot air generated by the internal electrical components during operation, and transports it to the inside of the active chamber 2 through the gas delivery pipe 13, and performs a hot air drying operation on the replaced wet drying cotton 102, and finally the gas is discharged from the air outlet 18. At the same time, the heat generated by the electrical components further heats the gas inside the gas delivery pipe 13 under the action of the heat-conducting mounting plate 14, the heat-conducting rod 15 and the heat-conducting sleeve 16; S4. When the drying component 10 needs to be repaired or replaced, the inspection door 21 is opened by the first handle 22, and the squeezing plate 105 is automatically popped out by the spring 104. Finally, the staff takes out the drying component 10 in the installation slot 9 for repair or replacement.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A moisture-proof and waterproof high-voltage cabinet, comprising a high-voltage cabinet body (1), characterized in that: An active cavity (2) is provided inside the left side wall of the high-voltage cabinet (1); a switching dial (3) is rotatably connected inside the active cavity (2); four mounting grooves (9) are provided inside the switching dial (3); and a drying assembly (10) is installed inside the mounting groove (9); A through hole (4) is provided on the left inner wall of the high-voltage cabinet (1); an air inlet (7), an air outlet (18) and an inspection port (19) are provided on the left side wall of the high-voltage cabinet (1); the air inlet (7) and the through hole (4) are arranged correspondingly; a switching motor (11) is also fixedly connected to the left inner wall of the high-voltage cabinet (1); the switching motor (11) is located behind the through hole (4); and an output shaft of the switching motor (11) is fixedly connected to the switching rotary disk (3); An exhaust fan (12) is fixedly connected to the right side wall of the high-voltage cabinet (1), and an air inlet of the exhaust fan (12) is in communication with the active chamber (2); an air outlet of the exhaust fan (12) is fixedly connected to a gas delivery pipe (13); an end of the gas delivery pipe (13) away from the exhaust fan (12) is in communication with the active chamber (2); a heat-conducting mounting plate (14) is fixedly connected to the rear inner wall of the high-voltage cabinet (1); a plurality of heat-conducting rods (15) are fixedly connected to the rear side wall of the heat-conducting mounting plate (14); a heat-conducting sleeve (16) is fixedly connected to one end of the heat-conducting rod (15) located at the rear of the high-voltage cabinet (1), and the heat-conducting sleeve (16) covers the gas delivery pipe (13); a protective cover (17) is fixedly connected to the rear side wall of the high-voltage cabinet (1), and the heat-conducting sleeve (16) is located inside the protective cover (17).

2. A moisture-proof and waterproof high-voltage cabinet according to claim 1, characterized in that: The drying component (10) comprises a fixed frame (101), drying cotton (102), a telescopic rod (103), a spring (104), a pressing plate (105) and a pulling hole (106); the fixed frame (101) is snap-connected to the inside of the mounting groove (9); the drying cotton (102) is mounted on the fixed frame (101); the number of the telescopic rods (103) is four, and two of them are fixedly connected to the left side wall of the fixed frame (101) in a group; the pressing plate (105) is fixedly connected to the other end of the telescopic rod (103); the number of the springs (104) is the same as the number of the telescopic rods (103), and the springs (104) are sleeved on the telescopic rod (103); and the pulling hole (106) is provided inside the pressing plate (105).

3. A moisture-proof and waterproof high-voltage cabinet according to claim 2, characterized in that: There are two squeezing plates (105) on each drying component (10), and they are arranged corresponding to each group of telescopic rods (103); the cross-sectional shape of the squeezing plates (105) is an isosceles trapezoid.

4. The moisture-proof and waterproof high-voltage cabinet according to claim 1, characterized in that: Four sealing rings (29) are fixedly connected to the left and right side walls of the switching turntable (3), and the sealing rings (29) are arranged corresponding to the mounting grooves (9). The sealing rings (29) are in contact with the inner wall of the active cavity (2).

5. The moisture-proof and waterproof high-voltage cabinet according to claim 1, characterized in that: The air outlet (18) is located behind the air inlet (7), and the air outlet (18) has the same size as the air inlet (7). The sizes of the air outlet (18) and the air inlet (7) are smaller than the size of the mounting groove (9). The inspection port (19) is located below the air outlet (18) and the air inlet (7). The size of the inspection port (19) is the same as the size of the mounting groove (9). The gas delivery pipe (13) is arranged corresponding to the air outlet (18).

6. The moisture-proof and waterproof high-voltage cabinet according to claim 1, characterized in that: A fixing bracket (5) is fixedly connected to the inner wall of the through hole (4), an air humidity sensor (6) is fixedly connected to the fixing bracket (5), and a filter screen (8) is fixedly connected to the inner wall of the air inlet (7).

7. The moisture-proof and waterproof high-voltage cabinet according to claim 1, characterized in that: Two water shields (20) and an inspection door (21) are also provided on the left side wall of the high-voltage cabinet (1); the two water shields (20) are respectively provided corresponding to the air outlet (18) and the air inlet (7); the inspection door (21) is provided corresponding to the inspection opening (19); a first handle (22) is fixedly connected to the left side wall of the inspection door (21); a blocking plate (23) is fixedly connected to the right side wall of the inspection door (21); and the blocking plate (23) is located inside the inspection opening (19).

8. The moisture-proof and waterproof high-voltage cabinet according to claim 1, characterized in that: A sealing groove (28) is provided on the front side wall of the high-voltage cabinet (1); a cabinet door (24) is provided on the front side of the high-voltage cabinet (1), and the cabinet door (24) is rotatably connected to the high-voltage cabinet (1); a sealing ring (26) is fixedly connected to the edge of the rear side wall of the cabinet door (24), and the sealing ring (26) cooperates with the sealing groove (28); a controller (27) is fixedly connected to the middle position of the rear side wall of the cabinet door (24); and a second handle (25) is fixedly connected to the front side wall of the cabinet door (24).

9. A working method of a moisture-proof and waterproof high-voltage cabinet, based on the moisture-proof and waterproof high-voltage cabinet according to any one of claims 1 to 8, characterized in that: The specific steps include: S1. During the operation of the electrical components inside the high-voltage cabinet (1), the exhaust fan (12) is always in operation, and external air enters from the air inlet (7), while the drying cotton (102) on the drying component (10) dries the incoming air; S2, the air humidity sensor (6) monitors the incoming gas in real time. When the humidity data of the gas monitored by the air humidity sensor (6) is higher than a preset value, the controller (27) controls the switching motor (11) to work, and the switching motor (11) controls the switching turntable (3) to rotate 90 degrees, thereby realizing the switching of the drying component (10); S3, in addition, the exhaust fan (12) extracts the hot air generated by the internal electrical components during operation, and transports it to the inside of the active chamber (2) through the gas delivery pipe (13), and performs a hot air drying operation on the replaced wet drying cotton (102), and finally the gas is discharged from the gas outlet (18). At the same time, the heat generated by the electrical components further heats the gas inside the gas delivery pipe (13) under the action of the heat-conducting mounting plate (14), the heat-conducting rod (15) and the heat-conducting sleeve (16); S4. When the drying component (10) needs to be repaired or replaced, the inspection door (21) is opened by the first handle (22), and the squeezing plate (105) is automatically ejected under the action of the spring (104). Finally, the staff can take out the drying component (10) inside the installation slot (9) for repair or replacement.

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