Explosion-proof frequency conversion cabinet heat dissipation device

Abstract

The utility model relates to the technical field of heat dissipation devices, and discloses an explosion-proof frequency conversion cabinet heat dissipation device which comprises a base, a cabinet body is fixedly connected to the upper surface of the base, an exhaust fan is fixedly installed on the back face of the cabinet body, through holes are formed in the two surfaces of the cabinet body, filter screen plates are fixedly connected to the inner walls of the through holes, and the filter screen plates are fixedly connected to the inner walls of the filter screen plates. Adjusting boxes are fixedly connected to the surfaces of the two sides of the cabinet body, sliding grooves are formed in the front surfaces of the adjusting boxes, moving boxes are fixedly connected to the surfaces of the two sides of the cabinet body, moving grooves are formed in the back surfaces of the moving boxes, and rotating discs are rotationally connected to the upper surfaces of the adjusting boxes; the output end of the rotating disc is fixedly connected with a first threaded rod, and the surface of the first threaded rod is in threaded connection with a sliding block. The internal heat dissipation treatment of the cabinet body is realized, impurities and dust in the air are filtered, and the filter screen plate can be conveniently cleaned, so that the internal part of the cabinet body is kept clean.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation devices, in particular to an explosion-proof frequency conversion cabinet heat dissipation device. Background Art

[0002] The inverter is a power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the working power frequency of the motor. The inverter adjusts the voltage and frequency of the output power supply by the internal IGBT opening and closing, and provides the required power supply voltage according to the actual needs of the motor, thereby achieving the purpose of energy saving and speed regulation. With the continuous improvement of industrial automation, inverters have also been widely used. The inverter explosion-proof cabinet is a commonly used protective device for installing inverters, and the general cabinet will have heat dissipation slots on the side wall for heat dissipation.

[0003] The utility model document with the patent application number CN202222993481.3 discloses a novel cooling and variable frequency explosion-proof cabinet, including an explosion-proof cabinet, a heat sink, cooling ribs, and a spray device. The explosion-proof cabinet includes a metal cabinet and an explosion-proof door connected to the metal cabinet. The explosion-proof door is installed on the metal cabinet through hinges and explosion-proof flange bolts. Heat sinks are provided on both sides of the metal cabinet, and cooling ribs are provided on the heat sink. The spray device is installed on the top surface of the metal cabinet and is electrically connected to the frequency converter and started simultaneously. It is suitable for low-voltage frequency converters in explosion-proof environments. It is easy to use and maintain, low cost, effectively enhances the cooling of low-voltage frequency converters, and does not lose any safety of explosion-proof cabinets.

[0004] The above application document proposes a new type of cooling and frequency conversion explosion-proof cabinet. When the heat is dissipated inside the cabinet, impurities and dust in the air may easily enter the cabinet and affect the inverter, so the impurities and dust need to be blocked. The above device cannot solve this problem. Based on this, further improvements are needed for the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an explosion-proof frequency conversion cabinet heat dissipation device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an explosion-proof frequency conversion cabinet heat dissipation device, comprising a base, a lower surface of the base is fixedly connected with four universal wheels, an upper surface of the base is fixedly connected with a cabinet, an exhaust fan is fixedly installed on the back of the cabinet, two surfaces of the cabinet are provided with through holes, the inner walls of the through holes are fixedly connected with a filter screen plate, both side surfaces of the cabinet are fixedly connected with an adjustment box, a sliding groove is provided on the front surface of the adjustment box, both side surfaces of the cabinet are fixedly connected with a moving box, a moving groove is provided on the back of the moving box, the upper surface of the adjustment box is rotatably connected with a rotating disk, an output end of the rotating disk is fixedly connected with a first threaded rod, an end of the first threaded rod away from the rotating disk is rotatably connected with the inner wall of the sliding groove, a surface of the first threaded rod is threadedly connected with a sliding block, the inner wall of the moving groove is fixedly connected with a fixed rod, and the surface of the fixed rod is slidably connected with a moving block, a sliding plate is fixedly connected between the sliding block and the moving block, and a cleaning brush is fixedly connected to the side surface of the sliding plate, and the cleaning brush contacts the side surface of the filter screen plate.

[0007] In a preferred embodiment of the present invention, the front and back surfaces of the base are fixedly connected with fixing plates, a threaded hole is provided on the upper surface of the fixing plate, a second threaded rod is threadedly connected to the inner wall of the threaded hole, a rotating disk is fixedly connected to the top end of the second threaded rod, a connecting block is fixedly connected to the bottom end of the second threaded rod, a bottom plate is rotatably connected to the surface of the connecting block, and the bottom plate is rotatably connected to the bottom end of the second threaded rod.

[0008] In a preferred embodiment of the present utility model, a telescopic box is fixedly connected to the upper surface of the cabinet, a sealing ring is rotatably connected to the upper surface of the telescopic box, a rotating handle is fixedly connected to the upper surface of the sealing ring, a rotating column is fixedly connected to the lower surface of the sealing ring, the rotating column is rotatably connected to the interior of the telescopic box, the rotating column extends to the interior of the telescopic box, and the bottom end of the rotating column is fixedly connected to an active bevel gear.

[0009] In a preferred embodiment of the utility model, a placement plate is symmetrically fixedly connected to the lower surface of the inner top wall of the telescopic box, a through hole is opened on the side surface of the placement plate, and a third threaded rod is rotatably connected to the inner wall of the through hole.

[0010] In a preferred embodiment of the utility model, one end of the third threaded rod is fixedly connected to a driven bevel gear, the active bevel gear and the driven bevel gear are meshed with each other, one end of the third threaded rod away from the driven bevel gear is fixedly connected to a limiting block, a telescopic plate is threadedly connected to the surface of the third threaded rod, the telescopic plate is slidably connected to the inner wall of the telescopic box, and the driven bevel gear can be driven to rotate through the active bevel gear.

[0011] In a preferred embodiment of the present invention, a protective plate is rotatably connected to the front surface of the cabinet, a pull handle is fixedly connected to the front surface of the protective plate, a connecting plate is fixedly connected to the side surface of the protective plate, a threaded groove is provided on the front surface of the cabinet, a threaded hole is provided on the surface of the connecting plate, the threaded groove and the inner wall of the threaded hole are threadedly connected with bolts, and the protective plate can be fixedly connected to the front surface of the cabinet by means of the bolts. Beneficial Effects

[0012] The utility model provides an explosion-proof frequency conversion cabinet heat dissipation device, which has the following beneficial effects:

[0013] 1. The heat dissipation device of the explosion-proof frequency conversion cabinet is provided with an exhaust fan and a filter screen plate. The exhaust fan is used to extract the heat inside the cabinet, so that the air enters the cabinet through the filter screen plate. The impurities and dust in the air are filtered by the filter screen plate to prevent the dust and impurities in the outside air from floating into the cabinet and causing damage to the frequency converter. The filter screen plate can be cleaned by a cleaning brush, thereby realizing heat dissipation inside the cabinet, filtering impurities and dust in the air, and conveniently cleaning the filter screen plate to keep the interior of the cabinet clean.

[0014] 2. The explosion-proof frequency conversion cabinet heat dissipation device is provided with a telescopic box and a telescopic plate, and uses a rotating handle to drive the sealing ring to rotate, so that the rotating column rotates, drives the active bevel gear to rotate, and then the active bevel gear drives the driven bevel gear to rotate, so that the third threaded rod rotates, so that the telescopic plate extends to both sides, shielding the cabinet body, and preventing rainwater from entering the interior of the cabinet body through the filter screen plate, thereby achieving shielding treatment of the cabinet body, preventing rainwater from entering the interior of the cabinet body, keeping the interior of the cabinet body dry, and facilitating the use of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of the utility model from a first stereoscopic viewing angle;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model in a front section;

[0017] Figure 3 It is a schematic diagram of the structure of the utility model from the side;

[0018] Figure 4 This is a schematic diagram of the structure of the side section of the regulating box of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the second stereoscopic viewing angle of the utility model.

[0020] In the figure: 1. base; 2. cabinet; 3. exhaust fan; 4. filter screen; 5. adjustment box; 6. moving box; 7. rotating disk; 8. first threaded rod; 9. sliding block; 10. fixed rod; 11. moving block; 12. sliding plate; 13. cleaning brush; 14. fixed plate; 15. second threaded rod; 16. rotating disk; 17. bottom plate; 18. telescopic box; 19. sealing ring; 20. turning handle; 21. driving bevel gear; 22. third threaded rod; 23. driven bevel gear; 24. telescopic plate; 25. protective plate; 26. connecting plate; 27. bolt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides a technical solution: an explosion-proof frequency conversion cabinet heat dissipation device, including a base 1, the lower surface of the base 1 is fixedly connected with four universal wheels, the upper surface of the base 1 is fixedly connected with a cabinet 2, the back of the cabinet 2 is fixedly installed with an exhaust fan 3, both surfaces of the cabinet 2 are provided with through holes, the inner wall of the through hole is fixedly connected with a filter screen plate 4, both side surfaces of the cabinet 2 are fixedly connected with an adjustment box 5, the front surface of the adjustment box 5 is provided with a sliding groove, both side surfaces of the cabinet 2 are fixedly connected with a moving box 6, and the back of the moving box 6 is provided with a moving groove.

[0023] The upper surface of the regulating box 5 is rotatably connected with a rotating disk 7, the output end of the rotating disk 7 is fixedly connected with a first threaded rod 8, the end of the first threaded rod 8 away from the rotating disk 7 is rotatably connected with the inner wall of the sliding groove, the surface of the first threaded rod 8 is threadedly connected with a sliding block 9, the inner wall of the moving groove is fixedly connected with a fixed rod 10, the surface of the fixed rod 10 is slidably connected with a moving block 11, a sliding plate 12 is fixedly connected between the sliding block 9 and the moving block 11, and a cleaning brush 13 is fixedly connected to the side surface of the sliding plate 12, and the cleaning brush 13 is connected to the side of the filter screen plate 4. The surfaces are in contact with each other, and the exhaust fan 3 is used to extract the heat inside the cabinet 2, so that the air enters the interior of the cabinet 2 through the filter plate 4, and the impurities and dust in the air are filtered by the filter plate 4 to prevent the dust and impurities in the outside air from floating into the cabinet 2 and causing damage to the inverter. The filter plate 4 can be cleaned by the cleaning brush 13, thereby realizing the heat dissipation inside the cabinet 2, filtering the impurities and dust in the air, and conveniently cleaning the filter plate 4, so that the interior of the cabinet 2 is kept clean.

[0024] The front and back surfaces of the base 1 are fixedly connected with a fixing plate 14, a threaded hole is provided on the upper surface of the fixing plate 14, a second threaded rod 15 is threadedly connected to the inner wall of the threaded hole, a rotating disk 16 is fixedly connected to the top of the second threaded rod 15, a connecting block is fixedly connected to the bottom end of the second threaded rod 15, a bottom plate 17 is rotatably connected to the surface of the connecting block, and the bottom plate 17 is rotatably connected to the bottom end of the second threaded rod 15.

[0025] A telescopic box 18 is fixedly connected to the upper surface of the cabinet 2, a sealing ring 19 is rotatably connected to the upper surface of the telescopic box 18, a rotating handle 20 is fixedly connected to the upper surface of the sealing ring 19, a rotating column is fixedly connected to the lower surface of the sealing ring 19, the rotating column is rotatably connected to the inside of the telescopic box 18, the rotating column extends to the inside of the telescopic box 18, an active bevel gear 21 is fixedly connected to the bottom end of the rotating column, a placement plate is symmetrically fixedly connected to the lower surface of the inner top wall of the telescopic box 18, a through hole is opened on the side surface of the placement plate, and a third threaded rod 22 is rotatably connected to the inner wall of the through hole.

[0026] One end of the third threaded rod 22 is fixedly connected to a driven bevel gear 23, and the active bevel gear 21 is meshed with the driven bevel gear 23. One end of the third threaded rod 22 away from the driven bevel gear 23 is fixedly connected to a limited block, and the surface of the third threaded rod 22 is threadedly connected to a telescopic plate 24, and the telescopic plate 24 is slidably connected to the inner wall of the telescopic box 18. The sealing ring 19 is rotated by rotating the handle 20, so that the rotating column rotates, driving the active bevel gear 21 to rotate, and then the active bevel gear 21 drives the driven bevel gear 23 to rotate, so that the third threaded rod 22 rotates, so that the telescopic plate 24 extends to both sides, shielding the cabinet 2, which can prevent rainwater from entering the interior of the cabinet 2 through the filter screen plate 4, thereby realizing the shielding of the cabinet 2, preventing rainwater from entering the interior of the cabinet 2, keeping the interior of the cabinet 2 dry, and facilitating the use of the staff.

[0027] A protective plate 25 is rotatably connected to the front surface of the cabinet 2, a pull handle is fixedly connected to the front surface of the protective plate 25, a connecting plate 26 is fixedly connected to the side surface of the protective plate 25, a threaded groove is provided on the front surface of the cabinet 2, a threaded hole is provided on the surface of the connecting plate 26, and bolts 27 are threadedly connected between the threaded groove and the inner wall of the threaded hole.

[0028] Working principle: First, the staff uses the rotating disk 16 to drive the second threaded rod 15 to rotate, and then squeezes the bottom plate 17 so that the bottom plate 17 contacts the ground and stabilizes the device. The staff turns on the exhaust fan 3 to extract the heat inside the cabinet 2, so that the air enters the cabinet 2 through the filter screen 4, and uses the filter screen 4 to filter impurities and dust in the air to prevent impurities and dust from entering the cabinet 2. The rotating disk 7 drives the first threaded rod 8 to rotate, so that the sliding block 9 moves up and down on the inner wall of the sliding groove, driving the sliding plate 12 to move up and down, and the moving block 11 moves up and down on the surface of the fixed rod 10. Move, so that the cleaning brush 13 cleans the side surface of the filter screen plate 4, and thus the filter screen plate 4 remains clean. When it is about to rain, the rotating handle 20 is used to drive the sealing ring 19 to rotate, so that the rotating column rotates, driving the active bevel gear 21 to rotate, and the active bevel gear 21 drives the driven bevel gear 23 to rotate, and then the third threaded rod 22 rotates, so that the telescopic plate 24 extends to both sides, and the cabinet 2 is shielded, which can prevent rainwater from entering the interior of the cabinet 2 through the filter screen plate 4, and thus the interior of the cabinet 2 remains dry, the bolts 27 can be removed, and then the protective plate 25 can be opened, and the situation inside the cabinet 2 can be checked, which is convenient for the staff to use.

[0029] 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. An explosion-proof frequency conversion cabinet heat dissipation device, comprising a base (1), wherein the lower surface of the base (1) is fixedly connected with four universal wheels, and wherein: The upper surface of the base (1) is fixedly connected to a cabinet (2), the back of the cabinet (2) is fixedly mounted with an exhaust fan (3), both surfaces of the cabinet (2) are provided with through holes, the inner walls of the through holes are fixedly connected with a filter screen (4), both side surfaces of the cabinet (2) are fixedly connected with an adjustment box (5), the front surface of the adjustment box (5) is provided with a sliding groove, both side surfaces of the cabinet (2) are fixedly connected with a moving box (6), the back of the moving box (6) is provided with a moving groove, the upper surface of the adjustment box (5) is rotatably connected with a rotating disk (7), the rotating disk (7) is provided with a sliding groove. The output end is fixedly connected to a first threaded rod (8), one end of the first threaded rod (8) away from the rotating disk (7) is rotatably connected to the inner wall of the sliding groove, the surface of the first threaded rod (8) is threadedly connected to a sliding block (9), the inner wall of the movable groove is fixedly connected to a fixed rod (10), the surface of the fixed rod (10) is slidably connected to a moving block (11), a sliding plate (12) is fixedly connected between the sliding block (9) and the moving block (11), a cleaning brush (13) is fixedly connected to the side surface of the sliding plate (12), and the cleaning brush (13) is in contact with the side surface of the filter screen plate (4).

2. The explosion-proof frequency conversion cabinet heat dissipation device according to claim 1 is characterized in that: A fixing plate (14) is fixedly connected to both the front and back surfaces of the base (1); a threaded hole is provided on the upper surface of the fixing plate (14); and a second threaded rod (15) is threadedly connected to the inner wall of the threaded hole.

3. The heat dissipation device for explosion-proof frequency conversion cabinet according to claim 2 is characterized in that: The top end of the second threaded rod (15) is fixedly connected to a rotating disk (16), the bottom end of the second threaded rod (15) is fixedly connected to a connecting block, the surface of the connecting block is rotatably connected to a bottom plate (17), and the bottom plate (17) is rotatably connected to the bottom end of the second threaded rod (15).

4. The heat dissipation device for explosion-proof frequency conversion cabinet according to claim 3 is characterized in that: A telescopic box (18) is fixedly connected to the upper surface of the cabinet (2), a sealing ring (19) is rotatably connected to the upper surface of the telescopic box (18), and a rotating handle (20) is fixedly connected to the upper surface of the sealing ring (19).

5. The heat dissipation device for explosion-proof frequency conversion cabinet according to claim 4 is characterized in that: A rotating column is fixedly connected to the lower surface of the sealing ring (19), the rotating column is rotatably connected to the inside of the telescopic box (18), the rotating column extends to the inside of the telescopic box (18), and the bottom end of the rotating column is fixedly connected to a driving bevel gear (21).

6. The heat dissipation device for explosion-proof frequency conversion cabinet according to claim 5 is characterized in that: A placement plate is symmetrically fixedly connected to the lower surface of the inner top wall of the telescopic box (18), a through hole is provided on the side surface of the placement plate, and a third threaded rod (22) is rotatably connected to the inner wall of the through hole.

7. The heat dissipation device for explosion-proof frequency conversion cabinet according to claim 6 is characterized in that: One end of the third threaded rod (22) is fixedly connected to a driven bevel gear (23), the driving bevel gear (21) and the driven bevel gear (23) are meshed and connected to each other, one end of the third threaded rod (22) away from the driven bevel gear (23) is fixedly connected to a limit block, a telescopic plate (24) is threadedly connected to the surface of the third threaded rod (22), and the telescopic plate (24) is slidably connected to the inner wall of the telescopic box (18).

8. The heat dissipation device for explosion-proof frequency conversion cabinet according to claim 7 is characterized in that: A protective plate (25) is rotatably connected to the front surface of the cabinet (2), a pull handle is fixedly connected to the front surface of the protective plate (25), a connecting plate (26) is fixedly connected to the side surface of the protective plate (25), a threaded groove is provided on the front surface of the cabinet (2), a threaded hole is provided on the surface of the connecting plate (26), and a bolt (27) is threadedly connected to the inner wall of the threaded groove and the threaded hole.

Images