Rapid heat dissipation device for direct current brushless motor

Abstract

The utility model relates to the technical field of motors, and discloses a rapid heat dissipation device for a direct current brushless motor, which comprises a placement box, and one side of the inner wall of the placement box is in threaded connection with a first threaded rod. According to the rapid heat dissipation device for the direct-current brushless motor, firstly, a motor body is placed in a placement box, then a crank is rotated to drive a first threaded rod to rotate, so that two supporting plates are close to each other, and then the supporting plates drive clamping plates and connecting strips to move and clamp and fix the motor body; the water is absorbed and transmitted to a second spring through a clamping plate and a connecting strip and is relieved through cooperation of a rolling wheel and a sliding groove, damping is assisted through a first spring and a damping rod, water flows to a condenser from a water tank through a water flowing pipe through operation of a water pump and is refrigerated and cooled through the condenser, and the cooled water flows into a filter through the water flowing pipe to be filtered. And finally, the water flows back to the water tank through the filter, thereby realizing heat dissipation of the motor body.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a rapid heat dissipation device for a brushless DC motor. Background Art

[0002] A brushless DC motor is a type of permanent magnet synchronous motor, not a true DC motor. It is abbreviated as BLDC in English. Unlike a brushed DC motor, a brushless DC motor does not use a mechanical brush device, but adopts a square wave self-controlled permanent magnet synchronous motor, replaces the carbon brush commutator with a Hall sensor, and uses neodymium iron boron as the permanent magnet material of the rotor. It has great performance advantages over ordinary traditional DC motors and is the most ideal speed regulation motor today.

[0003] According to a heat dissipation structure of a brushless motor with application number CN201921548075.8, in this scheme, the upper and lower positions of the blow pipe are adjusted by the drive of a pulley, so that when motors of different diameters are stored and fixed inside a storage box, the air outlet of the blow pipe is directly aimed at the heated part of the motor, thereby quickly dissipating the heat of the motor. After the position of the blow pipe is adjusted, the fixing column is placed inside the fixing port inside the corresponding fixing soft buckle, which can avoid arbitrary movement of the position of the blow pipe and cause the inability to dissipate heat quickly. This is more practical and suitable for wide promotion and use.

[0004] However, the following problems still exist in actual use:

[0005] (1) The device only uses top fixation to stabilize the motor, because vibration is not a regular movement. Vibration not only moves up and down, but also moves left and right. Single-direction fixation cannot effectively reduce the shaking of the motor.

[0006] (2) The heat dissipation device of the device only uses a fan to drive the air flow to circulate to achieve the purpose of heat dissipation. If the temperature in the external space is high, the air flow between the outside and the inside of the motor cannot achieve the heat dissipation effect.

[0007] To this end, we propose a utility model to solve the above problems, specifically a fast heat dissipation device for a brushless DC motor. Utility Model Content

[0008] In view of the deficiencies in the prior art, the utility model provides a rapid heat dissipation device for a brushless DC motor, which has the advantages of multiple heat dissipation modes and multi-directional stability, and solves the problems raised in the background technology.

[0009] The utility model provides the following technical scheme: a rapid heat dissipation device for a DC brushless motor, comprising: a placement box, a first threaded rod being threadedly connected to one side of the inner wall of the placement box, the other end of the first threaded rod being penetrated and installed on the surface of the placement box, one end of the first threaded rod being fixedly installed with a crank, the edge of the first threaded rod being threadedly connected to two support plates, four first springs being fixedly installed on the sides of the two support plates, the other ends of the four first springs being fixedly installed on the side of the inner wall of the placement box, a damping rod being sleeved on the inner cavity of the first spring, one end of the damping rod being fixedly installed on the side of the inner wall of the placement box, the other end of the damping rod being fixedly installed on the side of the support plate, a sliding groove being provided on the other side of the support plate, and two rollers being slidably connected to the inner wall of the sliding groove, the sides of the two rollers being fixedly installed with rotating shafts, and the other end of the rotating shaft being rotatably installed with a connecting strip, the other end of the connecting strip being hinged to a limiting block, and a splint being fixedly installed on the top of the limiting block.

[0010] Preferably, a water circulation box is fixedly installed on the top of the placement box, a bottom plate is fixedly installed on the other end of the water circulation box, a water flow pipe is fixedly installed on the inner wall of the water circulation box, a water pump is fixedly installed on the top of the inner wall of the water circulation box, a condenser is fixedly installed on one side of the inner wall of the water circulation box, a filter is fixedly installed on the other side of the inner wall of the water circulation box, a water tank is fixedly installed on the inner wall of the water circulation box, and the water pump, filter, water tank and condenser are all connected through the water flow pipe.

[0011] Preferably, a top cover is fixedly installed on the top of the placement box, a rotating motor is fixedly installed on the top of the top cover, a first limit plate is fixedly installed on the top of the rotating motor, a belt is sleeved on the output shaft of the rotating motor, a rotating rod is sleeved on the inner cavity of the other end of the belt, a second limit plate is fixedly installed on the top of the rotating rod, the other end of the rotating rod is penetrated and installed on the bottom of the top cover, and a fan blade is fixedly installed on one end of the rotating rod.

[0012] Preferably, a motor body is movably mounted on the side of the clamping plate, the output shaft of the motor body is installed through the surface of the placement box, a limit rod is installed through the surface of the support plate, and both ends of the limit rod are fixedly mounted on the inner wall of the placement box.

[0013] Preferably, a second spring is fixedly mounted on the side of the connecting strip, and the other end of the second spring is fixedly mounted on the side of another group of connecting strips.

[0014] Preferably, the inner wall of the top cover is threadedly connected with a second threaded rod, a pressing plate is fixedly installed on the bottom of the second threaded rod, and a knob is fixedly installed on the top of the second threaded rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. This kind of fast heat dissipation device for brushless DC motor, first put the motor body into the placement box, then turn the crank to drive the first threaded rod to rotate, so that the two support plates are close to each other, and then the support plate drives the clamping plate and the connecting strip to move and clamp the motor body. The vibration generated when the motor body is in operation is absorbed by the clamping plate and the connecting strip and transmitted to the second spring through the cooperation of the roller and the slide groove to alleviate it. The first spring and the damping rod are used to assist in shock absorption, which effectively reduces the shaking generated when the motor body is in operation and increases the service life of the motor body.

[0017] 2. This type of DC brushless motor uses a rapid heat dissipation device. Through the operation of the water pump, water will flow from the water tank through the water pipe to the condenser, and then be cooled by the condenser. The cooled water flows through the water pipe and flows into the filter for filtration, and finally flows back to the water tank through the filter, thereby achieving heat dissipation for the motor body. By setting up a filter, impurities in the circulating water are collected and processed to prevent pipe blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 Schematic diagram of the interior of some structures;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of local structure;

[0021] Figure 4 This is a schematic diagram of the internal structure of the water circulation box of the utility model;

[0022] Figure 5 It is a schematic diagram of the structure of the top cover part of the utility model.

[0023] In the figure: 1. placement box; 2. top cover; 3. water circulation box; 4. bottom plate; 5. crank; 6. first spring; 7. damping rod; 8. motor body; 9. first threaded rod; 10. limit rod; 11. clamping plate; 12. connecting strip; 13. support plate; 14. second spring; 15. roller; 16. filter; 17. water pipe; 18. water pump; 19. water tank; 20. condenser; 21. first limit plate; 22. rotating motor; 23. fan blades; 24. pressure plate; 25. knob; 26. second limit plate; 27. belt; 28. rotating rod; 29. ​​second threaded rod; 30. limit block. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-5 A fast heat dissipation device for a brushless DC motor comprises: a placement box 1, a first threaded rod 9 is threadedly connected to one side of the inner wall of the placement box 1. The other end of the first threaded rod 9 penetrates and is installed on the surface of the placement box 1, a crank 5 is fixedly installed on one end of the first threaded rod 9, two support plates 13 are threadedly connected at the edge of the first threaded rod 9, four first springs 6 are fixedly installed on the sides of the two support plates 13, the other ends of the four first springs 6 are fixedly installed on the side of the inner wall of the placement box 1, a damping rod 7 is sleeved in the inner cavity of the first spring 6, one end of the damping rod 7 is fixedly installed on the side of the inner wall of the placement box 1, the other end of the damping rod 7 is fixedly installed on the side of the support plate 13, a slide groove is provided on the other side of the support plate 13, and the inner wall of the slide groove is slidably connected to two rollers 15, the two rollers A rotating shaft is fixedly installed on the side of the wheel 15, and a connecting strip 12 is rotatably installed on the other end of the rotating shaft. The other end of the connecting strip 12 is hinged to a limit block 30, and a clamping plate 11 is fixedly installed on the top of the limit block 30. When in use, the motor body 8 is first placed in the placement box 1, and then the crank 5 is turned to drive the first threaded rod 9 to rotate, so that the two support plates 13 are close to each other, and then the support plate 13 drives the clamping plate 11 and the connecting strip 12 to move and clamp the motor body 8. The vibration generated when the motor body 8 is in operation is absorbed by the clamping plate 11 and the connecting strip 12 and transmitted to the second spring 14 for relief through the cooperation of the roller 15 and the slide groove. The first spring 6 and the damping rod 7 are used to assist in shock absorption, which effectively reduces the shaking generated when the motor body 8 is in operation and increases the service life of the motor body 8.

[0026] Among them, a water circulation box 3 is fixedly installed on the top of the placement box 1, a bottom plate 4 is fixedly installed on the other end of the water circulation box 3, a water flow pipe 17 is fixedly installed on the inner wall of the water circulation box 3, a water pump 18 is fixedly installed on the top of the inner wall of the water circulation box 3, a condenser 20 is fixedly installed on one side of the inner wall of the water circulation box 3, a filter 16 is fixedly installed on the other side of the inner wall of the water circulation box 3, and a water tank 19 is fixedly installed on the inner wall of the water circulation box 3. The water pump 18, the filter 16, the water tank 19 and the condenser 20 are all connected through the water flow pipe 17. Through the operation of the water pump 18, water will flow from the water tank 19 through the water flow pipe 17 to the condenser 20, and be refrigerated and cooled by the condenser 20. The cooled water passes through the water flow pipe 17 and flows into the filter 16 for filtration, and finally flows back to the water tank 19 through the filter 16, thereby realizing heat dissipation of the motor body 8. By setting the filter 16, impurities in the circulating water are collected and processed to prevent pipeline blockage.

[0027] Among them, a top cover 2 is fixedly installed on the top of the placement box 1, a rotating motor 22 is fixedly installed on the top of the top cover 2, a first limit plate 21 is fixedly installed on the top of the rotating motor 22, an output shaft of the rotating motor 22 is sleeved with a belt 27, a rotating rod 28 is sleeved on the inner cavity of the other end of the belt 27, a second limit plate 26 is fixedly installed on the top of the rotating rod 28, the other end of the rotating rod 28 is penetrated and installed on the bottom of the top cover 2, and a fan blade 23 is fixedly installed on one end of the rotating rod 28. By rotating the output shaft of the rotating motor 22, the belt 27 is rotated together, carrying the rotating rod 28 to move together, and finally the rotation of the fan blade 23 is realized to dissipate heat inside the placement box 1.

[0028] Among them; the side of the splint 11 is movably mounted with a motor body 8, the output shaft of the motor body 8 is installed through the surface of the placement box 1, the surface of the support plate 13 is installed through the limit rod 10, and both ends of the limit rod 10 are fixedly mounted on the inner wall of the placement box 1.

[0029] Among them, a second spring 14 is fixedly installed on the side of the connecting strip 12, and the other end of the second spring 14 is fixedly installed on the side of another group of connecting strips 12.

[0030] Among them; the inner wall of the top cover 2 is threadedly connected with a second threaded rod 29, the bottom of the second threaded rod 29 is fixedly installed with a pressure plate 24, and the top of the second threaded rod 29 is fixedly installed with a knob 25. By rotating the knob 25, the second threaded rod 29 is moved, carrying the pressure plate 24 downward until the bottom end surface of the pressure plate 24 is tightly attached to the top end surface of the motor body 8, thereby preventing the motor body 8 from being offset due to vibration.

[0031] Working principle: when in use, first put the motor body 8 into the placement box 1, then turn the crank 5 to drive the first threaded rod 9 to rotate, so that the two support plates 13 are close to each other, and then the support plate 13 drives the clamping plate 11 and the connecting strip 12 to move and clamp the motor body 8. The vibration generated when the motor body 8 is in operation is absorbed by the clamping plate 11 and the connecting strip 12 and transmitted to the second spring 14 for relief through the cooperation of the roller 15 and the slide groove. The first spring 6 and the damping rod 7 assist in shock absorption, which effectively reduces the shaking generated when the motor body 8 is in operation and increases the service life of the motor body 8. Through the operation of the water pump 18, water will flow from the water tank 19 through the water pipe 17 to the condenser 20, and the condenser 20 is used for After cooling, the cooled water flows through the water pipe 17, flows into the filter 16 for filtration, and finally flows back to the water tank 19 through the filter 16, so as to realize the heat dissipation of the motor body 8. The impurities in the circulating water are collected and processed by setting the filter 16 to prevent the pipeline from being blocked. The output shaft of the rotating motor 22 is rotated to rotate the belt 27 together, and the rotating rod 28 is moved together to finally realize the rotation of the fan blade 23 to dissipate the heat inside the placement box 1. By rotating the knob 25, the second threaded rod 29 is moved, and the pressure plate 24 is moved downward until the bottom surface of the pressure plate 24 is close to the top surface of the motor body 8, so as to prevent the motor body 8 from being offset due to vibration.

[0032] 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 fast heat dissipation device for a brushless DC motor, It is characterized in that include: A storage box (1), wherein a first threaded rod (9) is threadedly connected to one side of the inner wall of the storage box (1), the other end of the first threaded rod (9) is installed through the surface of the storage box (1), a crank (5) is fixedly installed on one end of the first threaded rod (9), two support plates (13) are threadedly connected at the edge of the first threaded rod (9), four first springs (6) are fixedly installed on the sides of the two support plates (13), the other ends of the four first springs (6) are fixedly installed on the side of the inner wall of the storage box (1), and the inner cavity of the first spring (6) is sleeved A damping rod (7) is provided, one end of the damping rod (7) is fixedly mounted on the side of the inner wall of the placement box (1), the other end of the damping rod (7) is fixedly mounted on the side of a support plate (13), the other side of the support plate (13) is provided with a slide groove, and the inner wall of the slide groove is slidably connected to two rollers (15), the sides of the two rollers (15) are fixedly mounted with a rotating shaft, and the other end of the rotating shaft is rotatably mounted with a connecting strip (12), the other end of the connecting strip (12) is hingedly connected to a limit block (30), and the top of the limit block (30) is fixedly mounted with a clamping plate (11).

2. A fast heat dissipation device for a brushless DC motor according to claim 1, Features: A water circulation box (3) is fixedly mounted on the top of the placement box (1), a bottom plate (4) is fixedly mounted on the other end of the water circulation box (3), a water flow pipe (17) is fixedly mounted on the inner wall of the water circulation box (3), a water pump (18) is fixedly mounted on the top of the inner wall of the water circulation box (3), a condenser (20) is fixedly mounted on one side of the inner wall of the water circulation box (3), a filter (16) is fixedly mounted on the other side of the inner wall of the water circulation box (3), a water tank (19) is fixedly mounted on the inner wall of the water circulation box (3), and the water pump (18), the filter (16), the water tank (19) and the condenser (20) are all connected through the water flow pipe (17).

3. A rapid heat dissipation device for a brushless DC motor according to claim 1, Features: A top cover (2) is fixedly installed on the top of the placement box (1), a rotating motor (22) is fixedly installed on the top of the top cover (2), a first limit plate (21) is fixedly installed on the top of the rotating motor (22), an output shaft of the rotating motor (22) is sleeved with a belt (27), a rotating rod (28) is sleeved in the inner cavity of the other end of the belt (27), a second limit plate (26) is fixedly installed on the top of the rotating rod (28), the other end of the rotating rod (28) is penetrated and installed at the bottom of the top cover (2), and a fan blade (23) is fixedly installed on one end of the rotating rod (28).

4. A rapid heat dissipation device for a brushless DC motor according to claim 1, Features: A motor body (8) is movably mounted on the side of the clamping plate (11), and an output shaft of the motor body (8) is installed through the surface of the placement box (1). A limiting rod (10) is installed through the surface of the support plate (13), and both ends of the limiting rod (10) are fixedly mounted on the inner wall of the placement box (1).

5. A rapid heat dissipation device for a brushless DC motor according to claim 1, Features: A second spring (14) is fixedly mounted on the side of the connecting strip (12), and the other end of the second spring (14) is fixedly mounted on the side of another group of connecting strips (12).

6. A rapid heat dissipation device for a brushless DC motor according to claim 3, Features: The inner wall of the top cover (2) is threadedly connected to a second threaded rod (29), a pressing plate (24) is fixedly mounted on the bottom of the second threaded rod (29), and a knob (25) is fixedly mounted on the top of the second threaded rod (29).

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