Anti-interference low-voltage frequency conversion cabinet

Abstract

The utility model belongs to the technical field of frequency conversion cabinets, and particularly relates to an anti-interference low-voltage frequency conversion cabinet which comprises a cabinet body, heat dissipation covers are fixedly connected to the two sides of the exterior of the cabinet body, heat dissipation grooves are formed in the outer sides of the cabinet body and the heat dissipation covers at equal intervals, and lifting plates are slidably connected to the interiors of the heat dissipation covers. The two sides of the interior of the lifting plate extend into the cabinet body and are rotationally connected with fans, the two sides of the exterior of the heat dissipation cover are fixedly connected with mounting frames, and the heat dissipation cover is detachably connected with a filter screen frame through the mounting frames. The utility model provides an anti-interference low-voltage frequency conversion cabinet, and solves the problems that the low-voltage frequency conversion cabinet in the prior art is generally subjected to heat dissipation through arranged heat dissipation holes, but the single heat dissipation hole is limited in effect and relatively low in heat dissipation efficiency, and dust in the air is easy to enter the cabinet body through the heat dissipation holes, so that the heat dissipation efficiency is relatively high. Therefore, the problems that the service life is shortened, the heat dissipation holes are easily blocked by dust, and the heat dissipation effect is affected are solved.

Description

Technical Field

[0001] The utility model belongs to the field of frequency conversion cabinets, in particular to an anti-interference low-voltage frequency conversion cabinet. Background Art

[0002] A low-voltage frequency converter cabinet is a device used for power control and regulation. It is mainly used to control the operation of the motor and provide variable frequency speed regulation function. The low-voltage frequency converter cabinet is prone to generate high temperature after working for a long time.

[0003] In the prior art, low-voltage frequency conversion cabinets generally dissipate heat through the provided heat dissipation holes. However, the effect of a single heat dissipation hole is limited, the heat dissipation efficiency is low, and dust in the air can easily enter the interior of the cabinet through the heat dissipation hole, thereby damaging the electrical components inside the cabinet and reducing their service life. The heat dissipation holes are also easily clogged by dust, which affects the heat dissipation effect. Utility Model Content

[0004] In view of the above problems existing in the prior art, the main purpose of the present invention is to provide an interference-resistant low-voltage frequency conversion cabinet.

[0005] The technical solution of the present utility model is as follows: an anti-interference low-voltage frequency conversion cabinet, comprising a cabinet body, both sides of the outside of the cabinet body are fixedly connected to a heat dissipation cover, the outsides of the cabinet body and the heat dissipation cover are equidistantly provided with heat dissipation grooves, the inside of the heat dissipation cover is slidably connected to a lifting plate, both sides of the inside of the lifting plate extend to the inside of the cabinet and are rotatably connected to fans, both sides of the outside of the heat dissipation cover are fixedly connected to mounting frames, the heat dissipation cover is detachably connected to a filter rack through the mounting frame, the inner wall of the cabinet body is evenly coated with an anti-interference coating, a transmission assembly is provided inside the heat dissipation cover, and a disassembly assembly is provided inside the filter rack.

[0006] As a preferred embodiment, the transmission assembly includes a reciprocating screw and a linkage unit, the reciprocating screw is rotatably connected to the inside of the heat dissipation cover, the top of the heat dissipation cover is fixedly connected to a motor, the output end of the motor extends to the inside of the heat dissipation cover and is fixedly connected to the reciprocating screw, the lifting plate is threadedly connected to the outside of the reciprocating screw, both sides of the inside of the heat dissipation cover are rotatably connected to a rotating rod, both sides of the inside of the lifting plate near the fan are rotatably connected to a first bevel gear, the first bevel gear is slidably connected to the outside of the rotating rod, and the fan can be rotated by the linkage unit.

[0007] As a preferred embodiment, the linkage unit includes a first pulley, which is fixedly connected to the outside of the reciprocating screw, and the tops of the two rotating rods are fixedly connected to a second pulley, and the first pulley and the two second pulleys are respectively connected by two transmission belts, and a second bevel gear is fixedly connected to one side of the fan, and the first bevel gear is meshed with the second bevel gear.

[0008] As a preferred embodiment, the disassembly assembly includes a disassembly groove, which is symmetrically opened on both sides of the interior of the filter frame. A clamping block is slidably connected to the interior of the disassembly groove. A spring is provided inside the disassembly groove and on one side of the clamping block. Clamping slots that cooperate with the clamping block are opened on both sides of the interior of the mounting frame.

[0009] As a preferred embodiment, both sides of the exterior of the rotating rod are fixedly connected to limit blocks, the rotating rod is slidably connected to the first bevel gear via the limit blocks, and the top of the block is an arc-shaped structure.

[0010] As a preferred embodiment, a cabinet door is installed on the outside of the cabinet, the motor is electrically connected to an external controller, and universal wheels are symmetrically installed on both sides of the bottom of the cabinet.

[0011] The beneficial effects of the utility model are as follows:

[0012] This device can discharge the hot air inside the cabinet through the fan with reciprocating lifting motion, thereby improving the uniformity of heat dissipation to the cabinet, thereby improving the heat dissipation efficiency, avoiding damage to components due to overheating of the cabinet, and effectively extending the service life. The filter rack provided can isolate dust in the air, preventing dust from entering the interior of the cabinet through the heat dissipation slot and causing damage to electrical components. At the same time, the filter rack can be quickly disassembled and installed for easy cleaning, thereby preventing the filter inside the filter rack from being clogged by dust and affecting the heat dissipation effect. The anti-interference coating coated on the inner wall of the cabinet can effectively shield, absorb or reflect electromagnetic waves, thereby achieving the purpose of anti-interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings.

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 This is a cross-sectional view of the heat dissipation cover of the utility model;

[0016] Figure 3 It is a cross-sectional view of the cabinet of the present utility model;

[0017] Figure 4 It is a three-dimensional diagram of the lifting plate in the utility model;

[0018] Figure 5 It is a cross-sectional view of the mounting frame and the filter frame in the present invention.

[0019] In the figure: 1. Cabinet body; 2. Heat dissipation cover; 3. Heat dissipation slot; 4. Lifting plate; 5. Fan; 6. Mounting frame; 7. Filter rack; 8. Reciprocating screw; 9. Motor; 10. Rotating rod; 11. First pulley; 12. Second pulley; 13. Drive belt; 14. First bevel gear; 15. Second bevel gear; 16. Limit block; 17. Disassembly slot; 18. Block; 19. Slot; 20. Spring; 21. Cabinet door. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] See also Figure 1-5 , an anti-interference low-voltage frequency conversion cabinet, including a cabinet body 1, both sides of the outside of the cabinet body 1 are fixedly connected to the heat dissipation cover 2, the outsides of the cabinet body 1 and the heat dissipation cover 2 are equidistantly provided with heat dissipation grooves 3, the inside of the heat dissipation cover 2 is slidably connected to a lifting plate 4, the inside of the lifting plate 4 extends to the inside of the cabinet body 1 and is rotatably connected to a fan 5, both sides of the outside of the heat dissipation cover 2 are fixedly connected to a mounting bracket 6, the heat dissipation cover 2 is detachably connected to a filter rack 7 through the mounting bracket 6, the inner wall of the cabinet body 1 is evenly coated with an anti-interference coating, the inside of the heat dissipation cover 2 is provided with a transmission assembly, and the inside of the filter rack 7 is provided with a disassembly assembly.

[0022] Specifically, the transmission assembly includes a reciprocating screw 8 and a linkage unit. The reciprocating screw 8 is rotatably connected to the inside of the heat dissipation cover 2. The top of the heat dissipation cover 2 is fixedly connected to a motor 9. The output end of the motor 9 extends to the inside of the heat dissipation cover 2 and is fixedly connected to the reciprocating screw 8. The lifting plate 4 is threadedly connected to the outside of the reciprocating screw 8. Both sides of the inside of the heat dissipation cover 2 are rotatably connected to a rotating rod 10. Both sides of the inside of the lifting plate 4 near the fan 5 are rotatably connected to a first bevel gear 14. The first bevel gear 14 is slidably connected to the outside of the rotating rod 10. The fan 5 can be rotated by the linkage unit. The linkage unit includes a first pulley 11, which is fixedly connected to On the outside of the reciprocating screw 8, the tops of the two rotating rods 10 are fixedly connected to the second pulley 12, and the first pulley 11 and the two second pulleys 12 are respectively connected by two transmission belts 13. One side of the fan 5 is fixedly connected to the second bevel gear 15, and the first bevel gear 14 is meshed with the second bevel gear 15. The disassembly assembly includes a disassembly groove 17, which is symmetrically opened on both sides of the interior of the filter frame 7. The interior of the disassembly groove 17 is slidably connected with a card block 18, and a spring 20 is provided inside the disassembly groove 17 and on one side of the card block 18. Card slots 19 that cooperate with the card block 18 are opened on both sides of the interior of the mounting frame 6.

[0023] Through the above technical solution, the motor 9 is first started by the external controller, and the output end of the motor 9 drives the reciprocating screw 8 and the first pulley 11 to rotate. The reciprocating screw 8 drives the lifting plate 4 to perform reciprocating lifting motion through a threaded connection relationship, thereby driving the corresponding fan 5 to perform reciprocating lifting motion through the lifting plate 4. At the same time, the first pulley 11 can drive the corresponding second pulley 12 and the rotating rod 10 to rotate through two transmission belts 13, and the rotating rod 10 drives the first bevel gears 14 on both sides to rotate through the limit block 16, so that the first bevel gear 14 drives the second bevel gear 15 and the corresponding fan 5 to rotate through a meshing relationship, and at the same time, the first bevel gear 14 can rotate with As the lifting plate 4 and the fan 5 perform reciprocating lifting and lowering motions, the fan 5 can perform reciprocating lifting and lowering motions during the rotation process, thereby evenly dissipating the heat of the cabinet 1, blowing the hot air inside the cabinet 1 to the outside through the heat dissipation slots 3, thereby improving the heat dissipation efficiency of the cabinet 1, and the filter rack 7 installed outside the heat dissipation cover 2 can isolate dust in the air, preventing dust from entering the interior of the cabinet 1 through the heat dissipation slots 3 and causing damage to electrical components. When a lot of dust adheres to the filter screen inside the filter rack 7, it can be disassembled, replaced or cleaned, and the block 18 is manually pushed to extend to the push block outside the filter rack 7, driving the block 18 to move to the inside of the disassembly slot 17, thereby When the block 18 is disengaged from the slot 19, the filter holder 7 can be removed from the inside of the mounting frame 6, and then it can be cleaned or replaced. After cleaning, the filter holder 7 can be pushed back into the inside of the mounting frame 6. In the process of pushing the filter holder 7, the mounting frame 6 pushes the arc surface of the top of the block 18, and at the same time, the block 18 squeezes the spring 20 until the block 18 is completely moved to the inside of the disassembly slot 17, and the filter holder 7 can be completely pushed into the inside of the mounting frame 6. At this time, the rebound force of the spring 20 can drive the block 18 to rebound into the inside of the slot 19, and the installation of the filter holder 7 is completed. The device can heat the inside of the cabinet 1 through the reciprocating fan 5. The air is discharged, which improves the uniformity of heat dissipation of the cabinet 1, thereby improving the heat dissipation efficiency, avoiding damage to components of the cabinet 1 due to overheating, and effectively improving the service life. The filter rack 7 provided can isolate dust in the air, preventing dust from entering the interior of the cabinet 1 through the heat dissipation slot 3 and causing damage to electrical components. At the same time, the filter rack 7 can be quickly disassembled and installed for easy cleaning, thereby avoiding the filter inside the filter rack 7 being clogged by dust and affecting the heat dissipation effect. The anti-interference coating coated on the inner wall of the cabinet 1 can effectively shield, absorb or reflect electromagnetic waves, thereby achieving the purpose of anti-interference and preventing external electromagnetic waves from affecting the normal operation of the cabinet 1.

[0024] Specifically, the outer sides of the rotating rod 10 are fixedly connected to the limit blocks 16, the rotating rod 10 is slidingly connected to the first bevel gear 14 through the limit blocks 16, the top of the blocking block 18 is an arc-shaped structure, the cabinet door 21 is installed on the outside of the cabinet 1, the motor 9 is electrically connected to the external controller, and universal wheels are symmetrically installed on both sides of the bottom of the cabinet 1.

[0025] Through the above technical solution, the staff can quickly control the motor 9 through the external controller, and the universal wheels can push the cabinet 1 to any position, thereby improving the flexibility of use of the device.

[0026] When in use, first start the motor 9 through the external controller, the output end of the motor 9 drives the reciprocating screw 8 and the first pulley 11 to rotate, and the reciprocating screw 8 drives the lifting plate 4 to perform reciprocating lifting motion through a threaded connection relationship, thereby driving the corresponding fan 5 to perform reciprocating lifting motion through the lifting plate 4. At the same time, the first pulley 11 can drive the corresponding second pulley 12 and the rotating rod 10 to rotate through two transmission belts 13, and the rotating rod 10 drives the first bevel gears 14 on both sides to rotate through the limit block 16, so that the first bevel gear 14 drives the second bevel gear 15 and the corresponding fan 5 to rotate through a meshing relationship, and at the same time, the first bevel gear 14 can follow the lifting plate 4 and the fan 5 perform reciprocating lifting motion, so that the fan 5 can perform reciprocating lifting motion during the rotation process, thereby evenly dissipating the heat of the cabinet 1, blowing the hot air inside the cabinet 1 to the outside through the heat dissipation slot 3, improving the heat dissipation efficiency of the cabinet 1, and isolating the dust in the air through the filter rack 7 installed outside the heat dissipation cover 2, preventing the dust from entering the interior of the cabinet 1 through the heat dissipation slot 3 and causing damage to the electrical components. When a lot of dust adheres to the filter screen inside the filter rack 7, it can be disassembled, replaced or cleaned, and the block 18 is manually pushed to extend to the push block outside the filter rack 7, driving the block 18 to move to the inside of the disassembly slot 17, so that the block 18 is disengaged. When the filter rack 7 is removed from the card slot 19, the filter rack 7 can be removed from the inside of the mounting frame 6, and then it can be cleaned or replaced. After cleaning, the filter rack 7 can be pushed back into the inside of the mounting frame 6. In the process of pushing the filter rack 7, the mounting frame 6 pushes the arc surface of the top of the card block 18, and at the same time, the card block 18 squeezes the spring 20 until the card block 18 is completely moved to the inside of the disassembly slot 17, and the filter rack 7 can be completely pushed into the inside of the mounting frame 6. At this time, the rebound force of the spring 20 can drive the card block 18 to rebound into the inside of the card slot 19, and the installation of the filter rack 7 is completed. The device can discharge the hot air inside the cabinet 1 through the reciprocating fan 5, providing The heat dissipation uniformity of the cabinet 1 is improved, thereby improving the heat dissipation efficiency, avoiding damage to components of the cabinet 1 due to overheating, and effectively improving the service life. The filter rack 7 provided can isolate dust in the air, preventing dust from entering the interior of the cabinet 1 through the heat dissipation slot 3 and causing damage to electrical components. At the same time, the filter rack 7 can be quickly disassembled and installed for easy cleaning, thereby avoiding the filter inside the filter rack 7 being clogged by dust and affecting the heat dissipation effect. The external controller can facilitate the staff to quickly control the motor 9, and the universal wheels provided can facilitate the staff to push the cabinet 1 to any position, thereby improving the flexibility of use of the device.

[0027] The above-mentioned front, back, left, right, up and down are all based on the Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention.

[0029] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. An anti-interference low-voltage frequency conversion cabinet, comprising a cabinet body (1), characterized in that: Both sides of the exterior of the cabinet (1) are fixedly connected to a heat dissipation cover (2), and heat dissipation grooves (3) are equidistantly provided on the exteriors of the cabinet (1) and the heat dissipation cover (2). The interior of the heat dissipation cover (2) is slidably connected to a lifting plate (4), and both sides of the interior of the lifting plate (4) extend to the interior of the cabinet (1) and are rotatably connected to fans (5). Both sides of the exterior of the heat dissipation cover (2) are fixedly connected to mounting brackets (6), and the heat dissipation cover (2) is detachably connected to a filter rack (7) via the mounting brackets (6). The inner wall of the cabinet (1) is evenly coated with an anti-interference coating, a transmission component is provided inside the heat dissipation cover (2), and a disassembly component is provided inside the filter rack (7).

2. The anti-interference low-voltage frequency conversion cabinet according to claim 1, characterized in that: The transmission assembly includes a reciprocating screw (8) and a linkage unit, wherein the reciprocating screw (8) is rotatably connected to the interior of the heat dissipation cover (2), a motor (9) is fixedly connected to the top of the heat dissipation cover (2), an output end of the motor (9) extends to the interior of the heat dissipation cover (2) and is fixedly connected to the reciprocating screw (8), the lifting plate (4) is threadedly connected to the exterior of the reciprocating screw (8), both sides of the interior of the heat dissipation cover (2) are rotatably connected to a rotating rod (10), both sides of the interior of the lifting plate (4) near the fan (5) are rotatably connected to a first bevel gear (14), the first bevel gear (14) is slidably connected to the exterior of the rotating rod (10), and the fan (5) can be rotated through the linkage unit.

3. The anti-interference low-voltage frequency conversion cabinet according to claim 2, characterized in that: The linkage unit includes a first pulley (11), the first pulley (11) is fixedly connected to the outside of the reciprocating screw (8), the tops of the two rotating rods (10) are fixedly connected to the second pulley (12), the first pulley (11) and the two second pulleys (12) are respectively connected to each other by two transmission belts (13), one side of the fan (5) is fixedly connected to the second bevel gear (15), and the first bevel gear (14) is meshed with the second bevel gear (15).

4. The anti-interference low-voltage frequency conversion cabinet according to claim 3, characterized in that: The disassembly assembly comprises a disassembly groove (17), the disassembly groove (17) being symmetrically arranged on both sides of the interior of the filter frame (7), a clamping block (18) being slidably connected to the interior of the disassembly groove (17), a spring (20) being arranged inside the disassembly groove (17) and on one side of the clamping block (18), and clamping grooves (19) cooperating with the clamping block (18) being arranged on both sides of the interior of the mounting frame (6).

5. The anti-interference low-voltage frequency conversion cabinet according to claim 4, characterized in that: Both sides of the outside of the rotating rod (10) are fixedly connected to limit blocks (16), the rotating rod (10) is slidably connected to the first bevel gear (14) through the limit blocks (16), and the top of the clamping block (18) is an arc-shaped structure.

6. The anti-interference low-voltage frequency conversion cabinet according to claim 2, characterized in that: A cabinet door (21) is installed on the outside of the cabinet (1), the motor (9) is electrically connected to an external controller, and universal wheels are symmetrically installed on both sides of the bottom of the cabinet (1).

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