Heat dissipation mechanism of direct current speed regulation device

Abstract

The utility model relates to the field of direct current speed regulators, and discloses a heat dissipation mechanism of a direct current speed regulation device, which comprises a box body, the middle part of the box body is fixedly connected with a heat dissipation plate, the front side and the rear side of the box body are respectively connected with a shell in a sliding manner, the top of the box body is connected with a top cover in a sliding manner, and the middle part of the top cover is provided with an exhaust port. The device comprises a shell, two frames are slidably connected to the middle of the shell, the two frames are connected, a filter plate is fixedly connected to the middle of the shell, double-head motors are fixedly connected to the middles of the two frames, and fan blades are fixedly connected to one output end of each double-head motor. According to the direct-current speed regulator, through cooperation of the double-head motor, the fan blades, the brush, the round rod and other structures, the double-head motor drives the fan blades to cool the direct-current speed regulator and drives the brush to clean the surface of the filter plate at the same time, the dismounting and cleaning times are reduced, and the use efficiency of the direct-current speed regulator is improved.

Description

Technical Field

[0001] The utility model relates to the field of direct current speed regulators, in particular to a heat dissipation mechanism of a direct current speed regulator. Background Art

[0002] A DC speed regulator is a motor speed control device, including DC motor speed regulators, pulse width DC speed regulators, and thyristor DC speed regulators. These are generally modular DC motor speed regulators, integrating power supply, control, and drive circuits. They employ a three-dimensional structural layout, use micro-power components in the control circuit, and employ optocouplers for isolated current and voltage conversion. The circuit's proportional, integral, and differential constants are adjusted using a PID adapter. These devices are compact and lightweight, and can be used independently or mounted directly on a DC motor to form an integrated DC speed regulator. They possess all the functions expected of a speed regulator.

[0003] After searching, Chinese patent announcement number: CN220108517U discloses a DC speed regulator heat dissipation device that is easy to disassemble and clean, including a cover plate, a box body assembly for placing the DC speed regulator, a clamping mechanism for clamping the DC speed regulator, and a heat dissipation assembly for heat dissipation; the clamping mechanism is arranged in the box body assembly; the heat dissipation assembly is installed at both ends of the box body assembly; the cover plate is arranged on the box body assembly and the heat dissipation assembly.

[0004] The above technology adopts the arrangement of a cover plate, a box body assembly, a clamping mechanism and a heat dissipation assembly. When the heat dissipation device is not in use, the cover plate is installed on the box body assembly and the heat dissipation assembly to prevent dust from falling in, thereby providing good protection for the entire heat dissipation device. However, during use, dust will adhere to the heat dissipation box with the flowing air, and the heat dissipation box needs to be disassembled and cleaned frequently to ensure the heat dissipation effect of the DC speed regulator. Frequent disassembly and cleaning is also time-consuming and easily affects the efficiency of the DC speed regulator. Therefore, a heat dissipation mechanism of a DC speed regulation device is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the present invention provides a heat dissipation mechanism for a DC speed regulator, aiming to improve the problem in the above technology that the DC speed regulator needs to be frequently disassembled for cleaning, which affects the efficiency of the DC speed regulator.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a heat dissipation mechanism of a DC speed regulation device, comprising a box body, the middle part of the box body is fixedly connected to a heat dissipation plate, the front and rear sides of the box body are slidably connected to a shell, the top of the box body is slidably connected to a top cover, the middle part of the top cover is provided with an exhaust port, the middle part of the shell is slidably connected to two frames, the two frames are connected, the middle part of the shell is fixedly connected to a filter plate, the middle parts of the two frames are fixedly connected to a double-headed motor, one output end of the double-headed motor is fixedly connected to a fan blade, the other output end of the double-headed motor is fixedly connected to a mounting block, the middle part of the mounting block is slidably connected to a clamping block, the end of the clamping block away from the mounting block is fixedly connected to a round rod, the outer side of the round rod is fixedly connected to a fixing plate, and a cleaning component is installed on the outer side of the fixing plate.

[0007] As a further description of the above technical solution:

[0008] The cleaning assembly includes a spring rod, which is fixedly connected to one side of the fixing plate close to the filter plate, and the other end of the spring rod is fixedly connected to a brush.

[0009] As a further description of the above technical solution:

[0010] A limiting block is fixedly connected to one side of the shell close to the box body, and the limiting block is slidably connected to the middle part of the box body. A fixing component is installed on the outer side of the shell.

[0011] As a further description of the above technical solution:

[0012] The fixing assembly includes a circular ring, which is fixedly connected to the outside of the shell. The bottom of the top cover is fixedly connected to a hanging ring. The middle of the circular ring is provided with a spring hook, and the other end of the spring hook is engaged with the hanging ring.

[0013] As a further description of the above technical solution:

[0014] A sliding groove is provided in the middle of the shell, and sliders are fixedly connected to opposite sides of the two frames, and the sliders are slidably connected to the middle of the sliding groove.

[0015] As a further description of the above technical solution:

[0016] A clamping slot is provided in the middle of the installation block, and the clamping block is slidably connected to the middle of the clamping slot.

[0017] As a further description of the above technical solution:

[0018] The brush contacts the filter plate.

[0019] As a further description of the above technical solution:

[0020] A limiting groove is provided in the middle of the box body, and the limiting block is slidably connected to the middle of the limiting groove.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the dust on the surface of the filter plate can be cleaned by the cooperation of the double-headed motor, fan blades, brushes, round rods and other structures, so that the double-headed motor drives the fan blades to dissipate heat for the DC speed regulation device while driving the round rod to rotate together, so that the round rod drives the fixed plate to rotate, and the fixed plate drives the brush to clean the surface of the filter plate through the spring rod, thereby preventing dust from clogging the filter plate, ensuring the filtering effect of the filter plate, reducing the number of disassembly and cleaning times, and improving the use efficiency of the DC speed regulator.

[0023] 2. In the present invention, the frame and the shell can be quickly disassembled through the cooperation of the spring hook, the limit block, the slide groove, the hanging ring and other structures, so that after long-term use, the spring hook can be removed from the hanging ring so that the top cover can be taken out from the top of the box body, and then the frame and the shell can be disassembled, thereby improving the cleaning and maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional schematic diagram of a heat dissipation mechanism of a DC speed regulation device proposed in the present utility model;

[0025] Figure 2 This is a structural diagram of a filter plate of a heat dissipation mechanism of a DC speed regulation device proposed in the present invention;

[0026] Figure 3 The present invention provides a schematic structural diagram of a brush in a heat dissipation mechanism of a DC speed regulating device.

[0027] Legend:

[0028] 1. Box body; 2. Shell; 3. Filter plate; 4. Round rod; 5. Fixing plate; 6. Top cover; 7. Limiting groove; 8. Hanging ring; 9. Spring hook; 10. Ring; 11. Frame; 12. Limiting block; 13. Heat sink; 14. Slide; 15. Double-head motor; 16. Fan blade; 17. Slider; 18. Slot; 19. Mounting block; 20. Spring rod; 21. Block; 22. Brush; 23. Exhaust port. DETAILED DESCRIPTION

[0029] 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 embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Reference Figure 1-Figure 3 The utility model provides an embodiment: a heat dissipation mechanism of a DC speed regulation device, including a box body 1, a heat dissipation plate 13 is fixedly connected to the middle of the box body 1, the front and rear sides of the box body 1 are slidably connected to the shell 2, the top of the box body 1 is slidably connected to the top cover 6, the middle of the top cover 6 is provided with an exhaust port 23, the middle of the shell 2 is slidably connected to two frames 11, the two frames 11 are connected, a slide groove 14 is provided in the middle of the shell 2, the opposite sides of the two frames 11 are fixedly connected with a slider 17, the slider 17 is slidably connected to the middle of the slide groove 14, the middle of the shell 2 is fixedly connected with a filter plate 3, the middle of the two frames 11 are fixedly connected to a double-headed motor 15, and one output end of the double-headed motor 15 is fixedly connected to a fan blade 16.

[0031] When in use, the double-headed motor 15 is driven to drive the fan blades 16 to rotate, so that the fan blades 16 can transport flowing air to the interior of the box body 1. The flowing air can carry heat and be discharged from the exhaust port 23. At the same time, under the action of the filter plate 3, dust in the flowing air can be cleaned to prevent dust from adhering to the DC speed regulation device and affecting the heat dissipation effect.

[0032] Reference Figure 2 and Figure 3 The other output end of the double-headed motor 15 is fixedly connected to a mounting block 19, and a clamping block 21 is slidably connected to the middle part of the mounting block 19. A clamping slot 18 is provided in the middle part of the mounting block 19, and the clamping block 21 is slidably connected to the middle part of the clamping slot 18. The end of the clamping block 21 away from the mounting block 19 is fixedly connected to a round rod 4, and a fixing plate 5 is fixedly connected to the outside of the round rod 4. A cleaning assembly is installed on the outside of the fixing plate 5, and the cleaning assembly includes a spring rod 20, which is fixedly connected to the side of the fixing plate 5 close to the filter plate 3. The other end of the spring rod 20 is fixedly connected to a brush 22, and the brush 22 is in contact with the filter plate 3.

[0033] During use, while the double-headed motor 15 drives the fan blades 16 to rotate, the other output end will drive the mounting block 19 to rotate, and the mounting block 19 will drive the round rod 4 to rotate. At the same time, the round rod 4 will drive the fixing plate 5 to rotate together, so that the fixing plate 5 can drive the brush 22 to clean the dust on the surface of the filter plate 3 through the spring rod 20, and under the action of the spring rod 20, the brush 22 can fully fit the filter plate 3, thereby preventing dust from adhering to and clogging the surface of the filter plate 3, ensuring the filtering effect of the filter plate 3, thereby reducing the number of disassembly and cleaning times and improving the use efficiency of the DC speed regulator.

[0034] Reference Figure 1 and Figure 3 The shell 2 is fixedly connected to a limiting block 12 on one side close to the box body 1. The limiting block 12 is slidably connected to the middle of the box body 1. A limiting groove 7 is provided in the middle of the box body 1. The limiting block 12 is slidably connected to the middle of the limiting groove 7. A fixing component is installed on the outside of the shell 2. The fixing component includes a ring 10. The ring 10 is fixedly connected to the outside of the shell 2. A hanging ring 8 is fixedly connected to the bottom of the top cover 6. A spring hook 9 is provided in the middle of the ring 10. The other end of the spring hook 9 is engaged with the hanging ring 8.

[0035] When in use, pull the spring hook 9 to remove it from the hanging ring 8, so that the top cover 6 can be removed from the top of the box body 1 and the shell 2, so that the shell 2 can be pulled to drive the limit block 12 to be removed from the limit groove 7, and at the same time pull the frame 11 to drive the slider 17 to slide out of the slide groove 14, so that the double-headed motor 15 can be removed from the shell 2. When the frame 11 is pulled, the mounting block 19 can be separated from the card block 21 under the action of the card slot 18, so that the heat dissipation structure can be quickly disassembled, so as to improve the cleaning and maintenance efficiency and ensure the use effect of the heat dissipation structure.

[0036] Working principle: driving the double-headed motor 15 to drive the fan blades 16 to dissipate heat for the DC speed regulation device, it will drive the round rod 4 to rotate, and the round rod 4 will drive the fixed plate 5 to rotate, so that the fixed plate 5 can drive the brush 22 through the spring rod 20 to clean the surface of the filter plate 3, prevent dust from clogging the filter plate 3, ensure the filtering effect of the filter plate 3, thereby reducing the number of disassembly and cleaning times and improving the use efficiency of the DC speed regulator.

[0037] Pull the spring hook 9 off the hanging ring 8 so that the top cover 6 can be taken out, and the shell 2 and the frame 11 can be disassembled. At the same time, the double-headed motor 15 can be separated from the round rod 4 under the action of the mounting block 19 and the clamping block 21, so that the frame 11 can drive the double-headed motor 15 to be taken out, thereby improving the cleaning and maintenance efficiency and ensuring the use effect of the heat dissipation structure.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A heat dissipation mechanism for a DC speed regulating device, comprising a box body (1), characterized in that: The middle of the box body (1) is fixedly connected to a heat dissipation plate (13), the front and rear sides of the box body (1) are slidably connected to the shell (2), the top of the box body (1) is slidably connected to a top cover (6), the middle of the top cover (6) is provided with an exhaust port (23), the middle of the shell (2) is slidably connected to two frames (11), the two frames (11) are connected, the middle of the shell (2) is fixedly connected to a filter plate (3), the middle of the two frames (11) are fixedly connected A double-headed motor (15) is provided, one output end of the double-headed motor (15) is fixedly connected to a fan blade (16), the other output end of the double-headed motor (15) is fixedly connected to a mounting block (19), a clamping block (21) is slidably connected to the middle of the mounting block (19), an end of the clamping block (21) away from the mounting block (19) is fixedly connected to a round rod (4), the outer side of the round rod (4) is fixedly connected to a fixing plate (5), and a cleaning component is installed on the outer side of the fixing plate (5).

2. The heat dissipation mechanism of a DC speed regulation device according to claim 1, characterized in that: The cleaning assembly comprises a spring rod (20), wherein the spring rod (20) is fixedly connected to one side of the fixing plate (5) close to the filter plate (3), and the other end of the spring rod (20) is fixedly connected to a brush (22).

3. The heat dissipation mechanism of a DC speed regulation device according to claim 1, characterized in that: A limiting block (12) is fixedly connected to one side of the shell (2) close to the box body (1); the limiting block (12) is slidably connected to the middle of the box body (1); and a fixing component is installed on the outside of the shell (2).

4. The heat dissipation mechanism of a DC speed regulation device according to claim 3, characterized in that: The fixing assembly comprises a circular ring (10), the circular ring (10) is fixedly connected to the outside of the shell (2), the bottom of the top cover (6) is fixedly connected to a hanging ring (8), the middle of the circular ring (10) is provided with a spring hook (9), and the other end of the spring hook (9) is engaged with the hanging ring (8).

5. The heat dissipation mechanism of a DC speed regulation device according to claim 1, characterized in that: A sliding groove (14) is provided in the middle of the housing (2), and a slider (17) is fixedly connected to the opposite side of the two frames (11), and the slider (17) is slidably connected to the middle of the sliding groove (14).

6. The heat dissipation mechanism of a DC speed regulation device according to claim 1, characterized in that: A card slot (18) is provided in the middle of the installation block (19), and the card block (21) is slidably connected to the middle of the card slot (18).

7. The heat dissipation mechanism of a DC speed regulation device according to claim 2, characterized in that: The brush (22) is in contact with the filter plate (3).

8. The heat dissipation mechanism of a DC speed regulation device according to claim 3, characterized in that: A limiting groove (7) is provided in the middle of the box body (1), and the limiting block (12) is slidably connected to the middle of the limiting groove (7).

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