Dustproof frequency conversion control cabinet

Abstract

The utility model discloses a dustproof frequency conversion control cabinet, which comprises a cabinet body, the outer surface of the cabinet body is provided with a heat dissipation device, the inner surface of the cabinet body is connected with a frame through a connecting rod, the frame is provided with a detachable device, and the detachable device comprises a detachable box welded at the bottom end of the frame. A rotating rod is movably connected to the interior of the dismounting box, a gear is welded to the rotating rod, sliding grooves are formed in the positions, away from the two ends of the rotating rod, of the bottom end of the interior of the dismounting box, sliding blocks are slidably connected to the sliding grooves, racks are arranged on the outer surfaces of the sliding blocks, and T-shaped clamping plates are fixedly connected to the top ends of the sliding blocks. The frequency converter is arranged between the T-shaped clamping plates, the rotating rod rotates to enable the connecting gear to rotate synchronously, the two sliding blocks slide back to back through meshing of the connecting gear and the rack, the T-shaped clamping plates slide synchronously along with the sliding blocks, the frequency converter moves on the frame, and the frequency converter dismounting efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to a frequency conversion control cabinet, in particular to a dustproof frequency conversion control cabinet. Background Art

[0002] The frequency conversion control cabinet is mainly used to adjust the working frequency of the equipment, reduce energy loss, start the equipment smoothly, and reduce the damage to the motor caused by the large current generated when the equipment is directly started. At the same time, it has analog input (for speed control or feedback signal), PID control, pump switching control (for constant pressure), communication function, macro function (different parameter settings for different occasions), multi-speed, etc. It can be widely used in industrial and agricultural production and various types of buildings. Water supply, drainage, fire protection, sprinkler network boosting and HVAC hot and cold water circulation and other occasions of automatic control.

[0003] At present, the existing frequency conversion control cabinet has a frequency converter fixedly installed inside. If the frequency converter is damaged, it needs to be replaced. However, when disassembling the frequency converter, it is too troublesome to disassemble it, which affects the normal use of the control cabinet. Utility Model Content

[0004] In view of the problems in the related technology, the utility model proposes a dustproof frequency conversion control cabinet to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A dustproof frequency conversion control cabinet comprises a cabinet body, wherein one side of the outer surface of the cabinet body is connected to the cabinet door by a hinge, and the cabinet door is fixedly connected to a handle at one end away from the hinge, a heat dissipation device is provided on the outer surface of the cabinet body, and the inner surface of the cabinet body is connected to the frame by a connecting rod, and a detachable device is provided on the frame, and the detachable device comprises a disassembly box welded on the bottom of the frame, a rotating rod is movably connected inside the disassembly box, a connecting gear is fixedly provided on the rotating rod, a slide groove is provided on the bottom end of the disassembly box away from both ends of the rotating rod, the slide grooves are staggered in the disassembly box, a slider is slidably connected to the slide groove, a rack is provided on the inner surface of the slider, the rack is meshed with the connecting gear, a T-shaped clamp is fixedly connected to the top of the slider, the top of the T-shaped clamp extends into the frame, and a frequency converter is provided between the T-shaped clamps.

[0007] Furthermore, in order to dissipate the heat of the control cabinet, the heat dissipation device includes an exhaust duct welded to both ends of the outer surface of the cabinet, an exhaust fan is provided on one end of the exhaust duct, a filter is fixedly connected to the end of the exhaust duct away from the exhaust fan, and a water retaining bar is provided on the other end of the exhaust duct, and the water retaining bar is fixedly connected to the outer surface of the cabinet.

[0008] Furthermore, in order to dissipate heat for the frequency converter, a heat dissipation pipe is fixedly connected to the top of the frame, and a heat dissipation fan is arranged in the heat dissipation pipe.

[0009] Furthermore, in order to facilitate personnel control, a display screen is provided between the handle and the hinge, the display screen is fixedly connected to the cabinet door, and buttons are provided at equal distances on one end of the cabinet door away from the display screen.

[0010] Furthermore, in order to facilitate the rotation of the rotating rod, one end of the rotating rod extends outside the disassembly box and is connected to the turntable by a bolt. A groove is provided on the turntable, and the groove is connected to the cross bar by a connecting short rod. A stopping groove is provided at the bottom end of the cross bar, and the top end of the stopping groove is connected to the stopping rod through a spring. A limiting groove is provided at the bottom end of the inner surface of the cabinet, and limit blocks are provided at equal distances on the inner surface of the limiting groove.

[0011] Furthermore, in order to increase the friction between the T-shaped clamping plate and the frequency converter, a rubber pad is provided between the T-shaped clamping plate and the frequency converter, and the rubber pad is fixedly connected to the T-shaped clamping plate.

[0012] Furthermore, in order to facilitate maintenance by maintenance personnel, a lighting lamp is provided on the top of the inner surface of the cabinet.

[0013] Furthermore, in order to stabilize the cabinet on the ground, support legs are fixedly connected around the bottom of the cabinet.

[0014] The beneficial effects of the utility model are:

[0015] 1. By rotating the turntable, the rotating rod is driven to rotate in the disassembly box, so that the connecting gear rotates synchronously with the rotating rod. The connecting gear is engaged with the rack. The rotation of the connecting gear causes the two sliders to slide back to back, so that the T-shaped clamp plate slides synchronously with the slider, and the inverter is further moved on the frame, effectively improving the efficiency of inverter disassembly.

[0016] 2. By arranging a heat dissipation fan on the frame, on the one hand, the inverter inside the frame is cooled, and on the other hand, the air flow inside the cabinet is accelerated. At the same time, the exhaust fan works simultaneously with the heat dissipation fan, so that the heat inside the cabinet flows to the outside of the cabinet faster, further improving the efficiency of cabinet heat dissipation. By arranging water retaining strips and filters, dust and rainwater can be effectively prevented from entering the cabinet through the exhaust duct, thereby avoiding affecting the components inside the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a dustproof frequency conversion control cabinet according to an embodiment of the utility model;

[0019] Figure 2 It is a cross-sectional view of a dustproof variable frequency control cabinet according to an embodiment of the utility model;

[0020] Figure 3 It is a cross-sectional view of an exhaust duct in a dustproof variable frequency control cabinet according to an embodiment of the utility model;

[0021] Figure 4 It is a cross-sectional view of a frame in a dustproof variable frequency control cabinet according to an embodiment of the utility model;

[0022] Figure 5 It is a side sectional view of a frame in a dustproof variable frequency control cabinet according to an embodiment of the utility model;

[0023] Figure 6 yes Figure 5 Enlarged view of point A in the middle;

[0024] Figure 7 It is a partial cross-sectional view of a turntable in a dustproof frequency conversion control cabinet according to an embodiment of the utility model.

[0025] In the figure:

[0026] 1. Cabinet body; 2. Hinge; 3. Cabinet door; 4. Handle; 5. Support leg; 6. Light; 7. Connecting rod; 8. Frame; 9. Inverter; 10. Disassembly box; 11. Turntable; 12. Rotating rod; 13. Connecting gear; 14. Rack; 15. Slide; 16. Slider; 17. T-type clamp; 18. Rubber pad; 19. Cooling fan; 20. Cooling pipe; 21. Water retaining bar; 22. Filter; 23. Exhaust fan; 24. Exhaust pipe; 25. Display screen; 26. Button; 27. Groove; 28. Connecting short rod; 29. ​​Crossbar; 30. Stop groove; 31. Spring; 32. Stop rod; 33. Limit groove; 34. Limit block. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1 , Figure 2 and Figure 4-Figure 7The utility model provides a technical solution: a dustproof variable frequency control cabinet, including a cabinet body 1 for carrying an internal structure. In order to make the cabinet body 1 stable on the ground, support legs 5 are fixedly connected to the bottom of the cabinet body 1 on all sides. One side of the outer surface of the cabinet body 1 is connected to the cabinet door 3 through a hinge 2. The end of the cabinet door 3 away from the hinge 2 is fixedly connected to a handle 4. In order to facilitate personnel control, a display screen 25 is provided between the handle 4 and the hinge 2. The display screen 25 is electrically connected to the inverter 9 and displays the voltage and current on the inverter 9. The display screen 25 is bolted to the cabinet door 3. One end of the cabinet door 3 away from the display screen 25 is equidistantly provided with buttons 26. The setting of the button 26 can close or open the current inside the control cabinet. The inner surface of the cabinet body 1 is connected to the frame through a connecting rod 7. The frame 8 is connected, and a detachable device is provided on the frame 8. The detachable device includes a disassembly box 10 welded to the bottom end of the frame 8. A rotating rod 12 is movably connected inside the disassembly box 10. In order to facilitate the rotation of the rotating rod 12, one end of the rotating rod 12 extends to the outside of the disassembly box 10 and is connected to the turntable 11 by a bolt. A groove 27 is provided on the turntable 11. The groove 27 is movably connected to the cross bar 29 through a connecting short rod 28. A stopping groove 30 is provided at the bottom end of the cross bar 29. The top end of the stopping groove 30 is connected to the stopping rod 32 through a spring 31. A baffle is welded on the top of the stopping rod 32 to limit the stopping rod 32. A limiting groove 33 is provided at the bottom end of the inner surface of the cabinet 1, and limiting blocks 34 are provided at equal distances on the inner surface of the limiting groove 33. By The stop rod 32 is pressed to move the cross bar 29 into the limit groove 33, and the stop rod 32 is released. The stop rod 32 is pressed against the limit block 34 under the action of the spring 31, thereby limiting the position of the turntable 11 and preventing the rotation of the rotating rod 12 during the clamping process. A connecting gear 13 is fixedly provided on the rotating rod 12, and a slide groove 15 is provided on both ends of the bottom end of the disassembly box 10 away from the rotating rod 12. The slide grooves 15 are staggered in the disassembly box 10, and a slider 16 is slidably connected to the slide groove 15. A rack 14 is provided on the inner surface of the slider 16, and the rack 14 is meshed with the connecting gear 13. A T-shaped clamp 17 is fixedly connected to the top of the slider 16. The T-shaped clamp 1 The top of 7 extends into the frame 8, and a movable groove for sliding of a T-shaped clamp 17 is provided on the frame 8 and the top of the disassembly box 10. A frequency converter 9 is arranged between the T-shaped clamp 17. In order to increase the friction between the T-shaped clamp 17 and the frequency converter 9, a rubber pad 18 is provided between the T-shaped clamp 17 and the frequency converter 9. The rubber pad 18 is fixedly connected to the T-shaped clamp 17. By rotating the turntable 11, the rotating rod 12 is driven to rotate in the disassembly box 10, so that the connecting gear 13 rotates synchronously with the rotating rod 12. The connecting gear 13 is meshed with the rack 14, and the rotation of the connecting gear 13 causes the two sliders 16 to slide back to back, so that the T-shaped clamp 17 slides synchronously with the slider 16, and the frequency converter 9 is further moved on the frame 8, effectively improving the efficiency of disassembling the frequency converter 9.

[0029] See also Figure 1-Figure 5 In order to dissipate heat for the control cabinet, a heat dissipation pipe 20 is fixedly connected to the top of the frame 8, a heat dissipation fan 19 is arranged in the heat dissipation pipe 20, and the heat dissipation fan 19 is electrically connected to the power supply. A heat dissipation device is arranged on the outer surface of the cabinet 1, and the heat dissipation device includes an exhaust pipe 24 welded on both ends of the outer surface of the cabinet 1, an exhaust fan 23 is arranged on one end of the exhaust pipe 24, and the exhaust fan 23 is electrically connected to the power supply. A filter screen 22 is fixedly connected to one end of the exhaust pipe 24 away from the exhaust fan 23, and a water retaining strip 21 is arranged on the other end of the exhaust pipe 24, and the water retaining strip 21 is fixedly connected to the outer surface of the cabinet 1. In order to facilitate maintenance personnel Checking the internal structure of the cabinet 1, a lighting lamp 6 is provided on the top of the inner surface of the cabinet 1, and the lighting lamp 6 is electrically connected to the power supply. By providing a heat dissipation fan 19 on the frame 8, on the one hand, the inverter 9 inside the frame 8 is cooled, and on the other hand, the air flow inside the cabinet 1 is accelerated. At the same time, the exhaust fan 23 works simultaneously with the heat dissipation fan 19, so that the heat inside the cabinet 1 flows to the outside of the cabinet 1 faster, and the heat dissipation efficiency of the cabinet 1 is further improved. By providing a water retaining bar 21 and a filter 22, dust and rainwater are effectively prevented from entering the cabinet 1 from the exhaust duct 24, thereby avoiding affecting the components inside the cabinet 1.

[0030] In summary, with the aid of the above technical solution of the utility model, in actual use, if the control cabinet is installed in an environment with a large vibration frequency, the excessive vibration frequency will cause the bolts fixing the inverter 9 to shake easily, thereby causing the inverter 9 to fall off. First, the cabinet door 3 is opened by the handle 4, and the lighting lamp 6 is turned on to illuminate the structure inside the cabinet 1. Secondly, by rotating the cross bar 29, the rotating rod 12 is driven to rotate in the disassembly box 10, so that the connecting gear 13 rotates synchronously with the rotating rod 12. The connecting gear 13 is meshed with the rack 14, and the rotation of the connecting gear 13 causes the two sliders 16 to slide back to back, so that the T-shaped clamp 17 slides synchronously with the slider 16, and the inverter 9 is further moved on the frame 8, so that the inverter 9 can be replaced. After replacement The inverter 9 is placed on the frame 8, and the rotating rod 12 is rotated in the opposite direction, so that the two sliders 16 slide toward each other, and further drive the T-shaped clamp 17 to clamp the replaced inverter 9, so that the replaced inverter 9 is fixed on the frame 8 for the normal use of the control cabinet. By providing a heat dissipation fan 19 on the frame 8, on the one hand, the inverter 9 inside the frame 8 is cooled, and on the other hand, the air flow inside the cabinet 1 is accelerated. At the same time, the exhaust fan 23 works simultaneously with the heat dissipation fan 19, so that the heat inside the cabinet 1 flows to the outside of the cabinet 1 faster, and the heat dissipation efficiency of the cabinet 1 is further improved. By providing a water retaining strip 21 and a filter 22, dust and rainwater are effectively prevented from entering the cabinet 1 from the exhaust pipe 24, thereby avoiding affecting the components inside the cabinet 1.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dustproof variable frequency control cabinet, comprising a cabinet body (1), characterized in that: The cabinet body (1) is connected to a cabinet door (3) via a hinge (2) on one side of its outer surface; a handle (4) is fixedly connected to one end of the cabinet door (3) away from the hinge (2); a heat dissipation device is provided on the outer surface of the cabinet body (1); the cabinet body (1) is connected to a frame (8) via a connecting rod (7) on its inner surface; a detachable device is provided on the frame (8); the detachable device comprises a disassembly box (10) welded to the bottom end of the frame (8); a rotating rod (12) is movably connected to the inside of the disassembly box (10); a connecting gear (13) is fixedly provided on the rotating rod (12) ), a slide groove (15) is provided on the bottom of the disassembly box (10) away from the two ends of the rotating rod (12), the slide grooves (15) are staggered in the disassembly box (10), a slider (16) is slidably connected to the slide groove (15), a rack (14) is provided on the inner surface of the slider (16), the rack (14) is meshed with the connecting gear (13), a T-shaped clamp (17) is fixedly connected to the top of the slider (16), the top of the T-shaped clamp (17) extends into the frame (8), and a frequency converter (9) is provided between the T-shaped clamps (17).

2. A dustproof frequency conversion control cabinet according to claim 1, characterized in that: The heat dissipation device comprises an exhaust pipe (24) welded to both ends of the outer surface of the cabinet (1); an exhaust fan (23) is provided at one end of the exhaust pipe (24); a filter (22) is fixedly connected to an end of the exhaust pipe (24) away from the exhaust fan (23); a water retaining strip (21) is provided at the other end of the exhaust pipe (24); and the water retaining strip (21) is fixedly connected to the outer surface of the cabinet (1).

3. A dustproof frequency conversion control cabinet according to claim 1, characterized in that: A heat dissipation pipe (20) is fixedly connected to the top of the frame (8), and a heat dissipation fan (19) is provided in the heat dissipation pipe (20).

4. The dustproof frequency conversion control cabinet according to claim 1, characterized in that: A display screen (25) is provided between the handle (4) and the hinge (2); the display screen (25) is fixedly connected to the cabinet door (3); buttons (26) are provided at equal distances on one end of the cabinet door (3) away from the display screen (25).

5. The dustproof frequency conversion control cabinet according to claim 1, characterized in that: One end of the rotating rod (12) extends outside the disassembly box (10) and is connected to the turntable (11) by bolts. The turntable (11) is provided with a groove (27). The groove (27) is connected to a crossbar (29) by a connecting short rod (28). A stopping groove (30) is provided at the bottom end of the crossbar (29). The top end of the stopping groove (30) is connected to a stopping rod (32) by a spring (31). A limiting groove (33) is provided at the bottom end of the inner surface of the cabinet (1). Limiting blocks (34) are provided at equal distances on the inner surface of the limiting groove (33).

6. The dustproof frequency conversion control cabinet according to claim 1, characterized in that: A rubber pad (18) is provided between the T-shaped clamping plate (17) and the frequency converter (9), and the rubber pad (18) is fixedly connected to the T-shaped clamping plate (17).

7. The dustproof frequency conversion control cabinet according to claim 5, characterized in that: A lighting lamp (6) is provided on the top of the inner surface of the cabinet (1).

8. The dustproof frequency conversion control cabinet according to claim 7, characterized in that: Support legs (5) are fixedly connected to the four sides of the bottom of the cabinet (1).

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