Self-heat-dissipation high-efficiency permanent magnet synchronous motor

Abstract

The invention relates to the technical field of motors, in particular to a self-heat-dissipation efficient permanent magnet synchronous motor, which comprises a permanent magnet synchronous motor body and a heat dissipation assembly, and is characterized in that the heat dissipation assembly comprises two blowing parts and a supporting part; the blowing part comprises a bracket, a rotating shaft, fan blades and a transmission part; when the permanent magnet synchronous motor body operates, the output shaft of the permanent magnet synchronous motor body drives the rotating shaft to rotate through the driving bevel gear and the transmission part, the rotating shaft drives the fan blades to rotate, and the two fan blades can blow air to dissipate heat of the permanent magnet synchronous motor body, so that the permanent magnet synchronous motor body is prevented from operating due to too high temperature; the permanent magnet synchronous motor body can always keep high-efficiency operation, when the permanent magnet synchronous motor body stops working, the output shaft of the permanent magnet synchronous motor body is static, and the fan blades also stop rotating, so that the heat dissipation time of the permanent magnet synchronous motor body is accurately controlled, and power waste is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of motors, and in particular to a self-heating high-efficiency permanent magnet synchronous motor. Background Art

[0002] Permanent magnet synchronous motors have the advantages of high efficiency, high torque density, and high control accuracy, and are therefore widely used. Permanent magnet synchronous motors generate a large amount of heat when in use. If the heat cannot be dissipated in a timely and effective manner to cool the motor, the motor's efficiency and life will be affected, and the motor may even be burned out.

[0003] In the current existing technology, in order to dissipate the heat of the permanent magnet synchronous motor, a certain number of heat sinks are usually fixed on the outer wall of the permanent magnet synchronous motor to dissipate the heat of the motor. At the same time, an external heat dissipation device is used to dissipate the heat of the permanent magnet synchronous motor, such as installing a cooling fan or a cooling blower on the outside of the permanent magnet synchronous motor. However, the existing heat dissipation device of the permanent magnet synchronous motor cannot accurately control the heat dissipation time of the permanent magnet synchronous motor, resulting in a waste of electricity. Summary of the invention

[0004] The object of the present invention is to provide a self-heating high-efficiency permanent magnet synchronous motor, which can accurately control the heat dissipation time of the permanent magnet synchronous motor to avoid wasting electricity.

[0005] To achieve the above object, the present invention provides a self-heating high-efficiency permanent magnet synchronous motor, comprising a permanent magnet synchronous motor body and a heat dissipation component, wherein the heat dissipation component comprises two blowing components, a supporting component and an active bevel gear;

[0006] The two blowing components are located on both sides of the permanent magnet synchronous motor body, and the blowing components include a bracket, a rotating shaft, fan blades and a transmission member; the bracket is fixedly connected to the permanent magnet synchronous motor body and is located on the side of the permanent magnet synchronous motor body; the rotating shaft and the bracket are rotatably connected and are located on the side of the bracket; the fan blades are fixedly connected to the rotating shaft and are located on the side of the rotating shaft; the transmission member is arranged on the side of the rotating shaft; the supporting member is arranged at the bottom of the bracket; the active bevel gear is fixedly connected to the output shaft of the permanent magnet synchronous motor body and is located on the side of the permanent magnet synchronous motor body.

[0007] As a preferred technical solution, the transmission member includes a connecting shaft, a driven bevel gear, a driving wheel, a driven wheel and a transmission belt; the connecting shaft is rotatably connected to the bracket and is located on the side of the bracket; the driven bevel gear is fixedly connected to the connecting shaft and meshes with the driving bevel gear; the driving wheel is fixedly connected to the connecting shaft and is located on the side of the connecting shaft; the driven wheel is fixedly connected to the rotating shaft and is located on the side of the rotating shaft; the transmission belt is sleeved on the sides of the driving wheel and the driven wheel.

[0008] As a preferred technical solution, the supporting component includes a base, a support, a horizontal axis and a vertical axis; the base is located at the bottom of the bracket; the support is fixedly connected to the base and is located at the top of the base; the horizontal axis is rotatably connected to the support and is located on the side of the support; the vertical axis is rotatably connected to the horizontal axis, fixedly connected to the bracket, and is located between the horizontal axis and the bracket.

[0009] As a preferred technical solution, the supporting component also includes a gear, a rack and a driving member; the gear is fixedly connected to the horizontal axis and is located on the side of the horizontal axis; the rack is slidably connected to the base and meshes with the gear; the driving member is arranged on the side of the rack.

[0010] As a preferred technical solution, the driving member includes a slider, a connecting rod and a screw; the slider is slidably connected to the base and is located on the inner side of the base; the connecting rod is fixedly connected to the slider and fixedly connected to the rack and is located between the slider and the rack; the screw is rotatably connected to the base and is threadedly connected to the slider and is located on the side of the base.

[0011] As a preferred technical solution, the driving member further includes a knob; the knob is fixedly connected to the screw rod and is located on the side of the screw rod.

[0012] As a preferred technical solution, the support component further includes a plurality of mounting members; the plurality of mounting members are respectively arranged on the sides of the base.

[0013] As a preferred technical solution, the mounting component includes a stud, a mounting plate and two limit blocks; the stud is slidably connected to the base and passes through the base; the mounting plate is fixedly connected to the stud and is located at the bottom of the stud; the two limit blocks are respectively threadedly connected to the stud and are located on both sides of the mounting plate.

[0014] Compared with the prior art, the beneficial effect of the present invention is that when the permanent magnet synchronous motor body is running, the output shaft of the permanent magnet synchronous motor body will rotate, and the output shaft of the permanent magnet synchronous motor body will drive the rotating shaft to rotate through the active bevel gear and the transmission member, and the rotating shaft drives the fan blades to rotate, and the two fan blades can be used to blow air to dissipate heat for the permanent magnet synchronous motor body, thereby preventing the permanent magnet synchronous motor body from being affected by excessive temperature and affecting its operation, so that the permanent magnet synchronous motor body can always maintain efficient operation, and when the permanent magnet synchronous motor body stops working, the output shaft of the permanent magnet synchronous motor body will be stationary, and the fan blades will also stop rotating, thereby realizing precise control of the heat dissipation time of the permanent magnet synchronous motor body and avoiding power waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0016] Figure 2 It is a cross-sectional view of the whole of the present invention.

[0017] Figure 3 It is a schematic structural diagram of the blowing component and the supporting component of the present invention.

[0018] Figure 4 It is a cross-sectional view of the blowing component and the supporting component of the present invention.

[0019] Figure 5 It is a structural schematic diagram of the supporting component of the present invention.

[0020] The meaning of each number in the figure is:

[0021] 1-permanent magnet synchronous motor body, 2-blowing component, 3-support component, 21-bracket, 22-rotating shaft, 23-fan blade, 24-transmission component, 31-base, 32-support, 33-horizontal axis, 34-vertical axis, 35-gear, 36-rack, 37-driving component, 38-mounting component, 39-disc, 310-connector, 241-driving bevel gear, 242-connecting shaft, 243-driven bevel gear, 244-driving wheel, 245-driven wheel, 246-transmission belt, 371-slider, 372-connecting rod, 373-screw, 374-knob, 381-stud, 382-mounting plate, 383-limiting block, 390-jack, 3101-spring, 3102-pull block, 3103-insertion rod. DETAILED DESCRIPTION

[0022] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-Figure 5, this embodiment provides a self-heating high-efficiency permanent magnet synchronous motor: it includes a permanent magnet synchronous motor body 1 and a heat dissipation component, the heat dissipation component includes two blowing parts 2, a supporting part 3 and an active bevel gear 241; the two blowing parts 2 are located on both sides of the permanent magnet synchronous motor body 1, and the blowing part 2 includes a bracket 21, a rotating shaft 22, a fan blade 23 and a transmission member 24; the bracket 21 is fixedly connected to the permanent magnet synchronous motor body 1 and is located on the side of the permanent magnet synchronous motor body 1; the rotating shaft 22 is rotatably connected to the bracket 21 and is located on the side of the bracket 21; the fan blade 23 is fixedly connected to the rotating shaft 22 and is located on the side of the rotating shaft 22; the transmission member 24 is arranged on the side of the rotating shaft 22; the supporting part 3 is arranged at the bottom of the bracket 21; the active bevel gear 241 is fixedly connected to the output shaft of the permanent magnet synchronous motor body 1 and is located on the side of the permanent magnet synchronous motor body 1;. The supporting component 3 is used to support the blowing component 2 and the permanent magnet synchronous motor body 1. When the permanent magnet synchronous motor body 1 is running, the output shaft of the permanent magnet synchronous motor body 1 will rotate, and the output shaft of the permanent magnet synchronous motor body 1 will drive the rotating shaft 22 to rotate through the active bevel gear 241 and the transmission member 24, and the rotating shaft 22 drives the fan blades 23 to rotate. The permanent magnet synchronous motor body 1 can be cooled by blowing air through the two fan blades 23 to avoid the permanent magnet synchronous motor body 1 from being affected by excessive temperature and allowing the permanent magnet synchronous motor body 1 to always maintain efficient operation. When the permanent magnet synchronous motor body 1 stops working, the output shaft of the permanent magnet synchronous motor body 1 will be stationary, and the fan blades 23 will also stop rotating, thereby achieving precise control of the heat dissipation time of the permanent magnet synchronous motor body 1 and avoiding power waste.

[0024] In this embodiment, the transmission member 24 includes a connecting shaft 242, a driven bevel gear 243, a driving wheel 244, a driven wheel 245 and a transmission belt 246; the connecting shaft 242 is rotatably connected to the bracket 21 and is located on the side of the bracket 21; the driven bevel gear 243 is fixedly connected to the connecting shaft 242 and meshes with the driving bevel gear 241; the driving wheel 244 is fixedly connected to the connecting shaft 242 and is located on the side of the connecting shaft 242; the driven wheel 245 is fixedly connected to the rotating shaft 22 and is located on the side of the rotating shaft 22; the transmission belt 246 is sleeved on the sides of the driving wheel 244 and the driven wheel 245. When the permanent magnet synchronous motor body 1 is running, the output shaft of the permanent magnet synchronous motor body 1 will rotate, and the output shaft of the permanent magnet synchronous motor body 1 will drive the active bevel gear 241 to rotate, and the active bevel gear 241 will drive the driven bevel gear 243, the connecting shaft 242 and the driving wheel 244 to rotate, and the driving wheel 244 will drive the driven wheel 245 and the rotating shaft 22 to rotate via the transmission belt 246, and the rotating shaft 22 will drive the fan blades 23 to rotate.

[0025] In this embodiment, the support component 3 includes a base 31, a support 32, a horizontal axis 33 and a vertical axis 34; the base 31 is located at the bottom of the bracket 21; the support 32 is fixedly connected to the base 31 and is located at the top of the base 31; the horizontal axis 33 is rotatably connected to the support 32 and is located at the side of the support 32; the vertical axis 34 is rotatably connected to the horizontal axis 33 and is fixedly connected to the bracket 21 and is located between the horizontal axis 33 and the bracket 21. The support 32 is used to support the horizontal axis 33. Rotating the horizontal axis 33 can drive the vertical axis 34 and the permanent magnet synchronous motor body 1 to rotate, and the inclination angle of the permanent magnet synchronous motor body 1 can be adjusted as needed. Rotating the vertical axis 34 can make the permanent magnet synchronous motor body 1 rotate horizontally, so that the horizontal angle of the permanent magnet synchronous motor body 1 can be adjusted as needed.

[0026] In this embodiment, the support component 3 further includes a gear 35, a rack 36 and a driving member 37; the gear 35 is fixedly connected to the horizontal shaft 33 and is located on the side of the horizontal shaft 33; the rack 36 is slidably connected to the base 31 and meshes with the gear 35; the driving member 37 is arranged on the side of the rack 36. The driving member 37 can drive the rack 36 to move, the rack 36 drives the gear 35 to rotate, and the gear 35 drives the horizontal shaft 33 to rotate.

[0027] In this embodiment, the driving member 37 includes a slider 371, a connecting rod 372 and a screw 373; the slider 371 is slidably connected to the base 31 and is located inside the base 31; the connecting rod 372 is fixedly connected to the slider 371 and is fixedly connected to the rack 36 and is located between the slider 371 and the rack 36; the screw 373 is rotatably connected to the base 31 and is threadedly connected to the slider 371 and is located at the side of the base 31. The slider 371 can be horizontally moved along the base 31 by rotating the screw 373, and the slider 371 drives the rack 36 to move horizontally via the connecting rod 372.

[0028] In this embodiment, the driving member 37 further includes a knob 374; the knob 374 is fixedly connected to the screw rod 373 and is located at the side of the screw rod 373. The user can hold the knob 374 to rotate the screw rod 373.

[0029] In this embodiment, the support component 3 further includes a plurality of mounting members 38, and the plurality of mounting members 38 are respectively arranged on the sides of the base 31. The mounting members 38 are installed at the desired positions to fix the position of the permanent magnet synchronous motor body 1.

[0030] In this embodiment, the mounting member 38 includes a stud 381, a mounting plate 382 and two stoppers 383; the stud 381 is slidably connected to the base 31 and penetrates the base 31; the mounting plate 382 is fixedly connected to the stud 381 and is located at the bottom of the stud 381; the two stoppers 383 are respectively threadedly connected to the stud 381 and are located on both sides of the mounting plate 382. The mounting member 38 is provided with a mounting hole, and the mounting plate 382 can be installed at a desired position by bolts, so that the permanent magnet synchronous motor body 1 is installed at a desired position, and the base 31 can be moved longitudinally along the stud 381 to adjust the height position of the base 31 and the permanent magnet synchronous motor body 1 to adapt to different installation conditions. After the height position of the permanent magnet synchronous motor body 1 is determined, the two stoppers are rotated so that the two stoppers are pressed against both sides of the base 31, so that the position of the base 31 can be fixed, thereby fixing the height position of the permanent magnet synchronous motor body 1.

[0031] In this embodiment, the support component 3 further includes a disk 39 and a plug-in connector 310; the disk 39 is fixedly connected to the vertical shaft 34 and is located on the side of the vertical shaft 34, the disk 39 has a plurality of plug holes 390, and the plurality of plug holes 390 are evenly distributed on the side of the disk 39; the plug-in connector 310 is arranged on the side of the support 32. Inserting the plug-in connector 310 into the plug holes 390 on the disk 39 can limit the rotation of the disk 39 and the vertical shaft 34, thereby limiting the rotation of the permanent magnet synchronous motor body 1.

[0032] In this embodiment, the connector 310 includes a spring 3101, a pull block 3102 and an insertion rod 3103; the spring 3101 is fixedly connected to the support 32 and is located on the side of the support 32; the pull block 3102 is fixedly connected to the spring 3101 and is located on the side of the spring 3101; the insertion rod 3103 is fixedly connected to the pull block 3102, and is slidably connected to the support 32, and passes through the spring 3101 and the support 32. When it is necessary to adjust the horizontal direction of the permanent magnet synchronous motor body 1, pull the pull block 3102 to move the insertion rod 3103 out of the insertion hole 390. At this time, the spring 3101 is stretched by the pull block 3102, and then the permanent magnet synchronous motor body 1 is driven to rotate by rotating the vertical shaft 34 to adjust the horizontal direction of the permanent magnet synchronous motor body 1. After the position of the permanent magnet synchronous motor body 1 is adjusted, release the pull block 3102, and the insertion rod 3103 is inserted into the lock hole driven by the spring 3101, which can limit the rotation of the disk 39 and the vertical shaft 34, thereby fixing the position of the permanent magnet synchronous motor body 1.

[0033] When using a self-heating high-efficiency permanent magnet synchronous motor of the present invention, the mounting plate 382 is installed at the desired position by bolts, so that the permanent magnet synchronous motor body 1 is installed at the desired position, and the base 31 is moved longitudinally along the stud 381, so that the height position of the base 31 and the permanent magnet synchronous motor body 1 can be adjusted to adapt to different installation conditions. After the height position of the permanent magnet synchronous motor body 1 is determined, the two limit members are rotated so that the two limit members are pressed against the two sides of the base 31, so that the position of the base 31 can be fixed, thereby fixing the height position of the permanent magnet synchronous motor body 1. Pull the pull block 3102 to remove the plug rod 3103 from the insertion hole 390. At this time, the spring 3101 is stretched by the pull block 3102, and then the permanent magnet synchronous motor body 1 is driven to rotate by rotating the vertical shaft 34 to adjust the horizontal direction of the permanent magnet synchronous motor body 1. After the position of the permanent magnet synchronous motor body 1 is adjusted, release the pull block 3102, and the plug rod 3103 is inserted into the lock hole driven by the spring 3101, which can limit the rotation of the disk 39 and the vertical shaft 34, thereby fixing the position of the permanent magnet synchronous motor body 1. By rotating the screw rod 373, the slider 371 moves horizontally along the base 31, and the slider 371 drives the rack 36 to move horizontally through the connecting rod 372, and the rack 36 drives the gear 35 to rotate, and the gear 35 drives the horizontal shaft 33 to rotate, so that the inclination angle of the permanent magnet synchronous motor body 1 can be adjusted as needed. When the permanent magnet synchronous motor body 1 is running, the output shaft of the permanent magnet synchronous motor body 1 will rotate, and the output shaft of the permanent magnet synchronous motor body 1 will drive the active bevel gear 241 to rotate, and the active bevel gear 241 drives the driven bevel gear 243, the connecting shaft 242 and the driving wheel 244 to rotate, and the driving wheel 244 drives the driven wheel 245 and the rotating shaft 22 to rotate through the transmission belt 246, and the rotating shaft 22 drives the fan blades 23 to rotate, and the permanent magnet synchronous motor body 1 can be cooled by blowing air through the two fan blades 23, so as to avoid the permanent magnet synchronous motor body 1 from being affected by excessive temperature and running, so that the permanent magnet synchronous motor body 1 can always maintain efficient operation, and when the permanent magnet synchronous motor body 1 stops working, the output shaft of the permanent magnet synchronous motor body 1 will be stationary, and the fan blades 23 will also stop rotating, so as to realize the precise control of the heat dissipation time of the permanent magnet synchronous motor body 1 and avoid power waste.

[0034] The foregoing has shown and described 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 by the above embodiments, and the above embodiments and the descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements fall within the scope of the present invention claimed.

Claims

1. A self-heating high-efficiency permanent magnet synchronous motor, comprising a permanent magnet synchronous motor body, characterized in that: Also included is a heat dissipation assembly; The heat dissipation assembly includes two blowing components, a supporting component and a driving bevel gear; The two blowing components are located on both sides of the permanent magnet synchronous motor body, and the blowing components include a bracket, a rotating shaft, fan blades and a transmission member; the bracket is fixedly connected to the permanent magnet synchronous motor body and is located on the side of the permanent magnet synchronous motor body; the rotating shaft and the bracket are rotatably connected and are located on the side of the bracket; the fan blades are fixedly connected to the rotating shaft and are located on the side of the rotating shaft; the transmission member is arranged on the side of the rotating shaft; the supporting member is arranged at the bottom of the bracket; the active bevel gear is fixedly connected to the output shaft of the permanent magnet synchronous motor body and is located on the side of the permanent magnet synchronous motor body.

2. A self-heating high-efficiency permanent magnet synchronous motor as claimed in claim 1, characterized in that: The transmission member includes a connecting shaft, a driven bevel gear, a driving wheel, a driven wheel and a transmission belt; the connecting shaft is rotatably connected to the bracket and is located on the side of the bracket; the driven bevel gear is fixedly connected to the connecting shaft and meshes with the driving bevel gear; the driving wheel is fixedly connected to the connecting shaft and is located on the side of the connecting shaft; the driven wheel is fixedly connected to the rotating shaft and is located on the side of the rotating shaft; the transmission belt is sleeved on the sides of the driving wheel and the driven wheel.

3. A self-heating high-efficiency permanent magnet synchronous motor as claimed in claim 2, characterized in that: The supporting component includes a base, a support, a horizontal axis and a vertical axis; the base is located at the bottom of the bracket; the support is fixedly connected to the base and is located at the top of the base; the horizontal axis is rotatably connected to the support and is located at the side of the support; The vertical axis is rotatably connected to the horizontal axis, fixedly connected to the bracket, and located between the horizontal axis and the bracket.

4. A self-heating high-efficiency permanent magnet synchronous motor as claimed in claim 3, characterized in that: The supporting component also includes a gear, a rack and a driving member; the gear is fixedly connected to the horizontal axis and is located on the side of the horizontal axis; the rack is slidably connected to the base and meshes with the gear; the driving member is arranged on the side of the rack.

5. A self-heating high-efficiency permanent magnet synchronous motor as claimed in claim 4, characterized in that: The driving member includes a slider, a connecting rod and a screw; the slider is slidably connected to the base and is located on the inner side of the base; the connecting rod is fixedly connected to the slider and is fixedly connected to the rack and is located between the slider and the rack; the screw is rotatably connected to the base and is threadedly connected to the slider and is located on the side of the base.

6. A self-heating high-efficiency permanent magnet synchronous motor as claimed in claim 5, characterized in that: The driving member also includes a knob; the knob is fixedly connected to the screw rod and is located on the side of the screw rod.

7. A self-heating high-efficiency permanent magnet synchronous motor as claimed in claim 6, characterized in that: The supporting component also includes a plurality of mounting members; the plurality of mounting members are respectively arranged on the sides of the base.

8. A self-heating high-efficiency permanent magnet synchronous motor as claimed in claim 7, characterized in that: The mounting member includes a stud, a mounting plate and two limit blocks; the stud is slidably connected to the base and passes through the base; the mounting plate is fixedly connected to the stud and is located at the bottom of the stud; the two limit blocks are respectively threadedly connected to the stud and are located on both sides of the mounting plate.

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