CN222192074U - Motor heat dissipation device and motor - Google Patents
Motor heat dissipation device and motor Download PDFInfo
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- CN222192074U CN222192074U CN202420801387.XU CN202420801387U CN222192074U CN 222192074 U CN222192074 U CN 222192074U CN 202420801387 U CN202420801387 U CN 202420801387U CN 222192074 U CN222192074 U CN 222192074U
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 80
- 238000001816 cooling Methods 0.000 claims abstract description 93
- 239000003921 oil Substances 0.000 claims description 160
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 21
- 230000005855 radiation Effects 0.000 description 8
- 230000002035 prolonged effect Effects 0.000 description 7
- 238000005461 lubrication Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
本实用新型公开了一种电机的散热装置及电机，包括散热座、泵和设置在电机的转子内的内芯轴，所述散热座内设有腔体和集油箱，所述腔体与所述集油箱相连通，所述转子转动设置在所述腔体上，电机的定子设置在所述腔体内，所述内芯轴设有中空部，所述中空部以及所述腔体通过所述泵与所述集油箱连通，所述集油箱中的冷却油流过所述中空部、所述转子与所述定子的间隙以及所述腔体最后流入所述集油箱。本实用新型能实现电机定子和转子的精准散热，散热效率高，有效延长电机的连续工作时间和使用寿命。
The utility model discloses a heat dissipation device for a motor and a motor, comprising a heat dissipation seat, a pump and an inner core shaft arranged in the rotor of the motor, wherein a cavity and an oil collecting box are arranged in the heat dissipation seat, the cavity is connected with the oil collecting box, the rotor is rotatably arranged on the cavity, the stator of the motor is arranged in the cavity, the inner core shaft is provided with a hollow part, the hollow part and the cavity are connected with the oil collecting box through the pump, and the cooling oil in the oil collecting box flows through the hollow part, the gap between the rotor and the stator, and the cavity and finally flows into the oil collecting box. The utility model can realize accurate heat dissipation of the stator and rotor of the motor, has high heat dissipation efficiency, and effectively prolongs the continuous working time and service life of the motor.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a heat dissipation device of a motor and the motor.
Background
When the motor works, the stator and the rotor of the motor can generate a large amount of heat, the motor needs to work for a long time, the existing coil cannot bear the temperature exceeding 200 ℃ or higher, and the high-speed magnetic steel is seriously demagnetized under the influence of high temperature, so that the service performance and the service life of the motor are greatly reduced, the heat dissipation mode of the motor is very important, and a proper heat dissipation system can ensure the long-term stable operation of the motor. According to the practical situation, a proper heat dissipation mode is selected, and maintenance is carried out regularly, so that the service life of the motor can be effectively prolonged. The existing motor heat dissipation mode mainly comprises an air heat dissipation mode, a liquid cooling heat dissipation mode and an air cooling heat dissipation mode, however, the existing heat dissipation modes cannot accurately realize heat dissipation of a stator and a rotor, heat dissipation efficiency is low, the motor cannot continuously work for a long time, and service life is short.
Disclosure of utility model
In order to solve at least one problem in the background art, the utility model provides a heat dissipation device of a motor and the motor, which can realize accurate heat dissipation of a motor stator and a motor rotor, and has high heat dissipation efficiency, and effectively prolongs the continuous working time and the service life of the motor.
The specific technical scheme provided by the utility model is as follows:
In a first aspect, a heat dissipation device for a motor is provided, including a heat dissipation seat, a pump and an inner core shaft disposed in a rotor of the motor, a cavity and an oil collecting tank are disposed in the heat dissipation seat, the cavity is communicated with the oil collecting tank, the rotor is rotationally disposed on the cavity, a stator of the motor is disposed in the cavity, the inner core shaft is provided with a hollow portion, the hollow portion and the cavity are communicated with the oil collecting tank through the pump, and cooling oil in the oil collecting tank flows through the hollow portion, a gap between the rotor and the stator and the cavity finally flows into the oil collecting tank.
By means of the technical scheme, the cooling oil in the oil collecting tank can enter the hollow part and the cavity of the inner core shaft through the effect of the pump by arranging the heat radiating seat, the pump and the inner core shaft, the cooling oil flows through the hollow part of the inner core shaft to radiate heat of the rotor, the cooling oil flows through the gap between the rotor and the stator to radiate heat of the rotor and the stator, and the cooling oil flows into the cavity to radiate heat of the rotor and the stator, so that the heat radiation of the rotor and the stator of the motor is accurately realized, the heat radiation efficiency is high, and the continuous working time and the service life of the motor are effectively prolonged.
As one preferable aspect of the above-described aspect, the rotor includes a rotor hollow shaft, a rotor magnet, and a rotor silicon steel sheet, the stator includes a stator coil, the inner core shaft is disposed in the rotor hollow shaft, and the cooling oil flows through an inner wall of the rotor hollow shaft, a gap between the rotor hollow shaft and the rotor silicon steel sheet, a gap between the rotor magnet and the stator coil, and a coil inside of the stator coil. According to the scheme, cooling oil flows through the hollow part of the inner mandrel and the inner wall of the rotor hollow shaft to synchronously realize heat dissipation of the rotor hollow shaft, cooling oil flows through the gap between the rotor hollow shaft and the rotor silicon steel sheet to realize heat dissipation of the rotor hollow shaft and the rotor silicon steel sheet, cooling oil flows through the gap between the rotor magnet and the stator coil to realize heat dissipation of the rotor magnet and the stator coil, cooling oil flows through the coil inside of the stator coil to realize heat dissipation of the coil inside of the stator coil, and therefore accurate heat dissipation of the rotor and the stator is comprehensively realized, and heat dissipation efficiency is high.
As one preferable mode of the scheme, the heat dissipation seat comprises an oil inlet seat, an inner cavity is formed in the oil inlet seat, the rotor hollow shaft and one end of the inner core shaft are arranged in the inner cavity, the inner cavity is communicated with the cavity, an oil inlet hole communicated with the inner cavity is formed in the oil inlet seat, the oil inlet hole is communicated with the oil collecting tank through a pipeline, and the pump is arranged on the pipeline. According to the scheme, through setting up oil feed seat and pipeline, the cooling oil in the oil collecting tank of being convenient for effectively gets into the well of mandrel and cavity through the effect of pump, provides the assurance for the heat dissipation of rotor and stator.
As one preferable mode of the scheme, the heat dissipation seat further comprises a first end cover and a second end cover, the cavity is located between the first end cover and the second end cover, the first end cover is fixedly connected with the oil inlet seat, a first through hole is formed in the first end cover, a second through hole is formed in the second end cover, the rotor hollow shaft is fixed on the first end cover and the second end cover through a first bearing and a second bearing respectively, the first bearing, the first through hole, the second bearing and the second through hole are all communicated with the cavity, and cooling oil flows through the first bearing, the first through hole, the second bearing and the second through hole. According to the scheme, the arrangement of the first end cover and the second end cover ensures the tightness of the cavity, ensures the circulation and heat dissipation of cooling oil in the cavity, simultaneously, the first end cover and the second end cover are respectively used for supporting the first bearing and the second bearing, the first bearing and the second bearing ensure the rotation of the rotor, the cooling oil flows through the first bearing and the second bearing, the lubrication of the first bearing and the second bearing can be realized, the cooling of the first bearing and the second bearing can be realized, the service lives of the first bearing and the second bearing are prolonged under the condition that the stable work of the motor rotor is ensured, and the cooling oil flows into the cavity through the first through hole and the second through hole, so that the cooling oil can conveniently dissipate heat of the stator coil and flow back to the oil collecting tank.
As one preferable aspect of the above-mentioned aspect, a first gap is provided between the first end cover and the hollow rotor shaft, the first gap is communicated with the inner cavity, a second gap is provided between the second end cover and the hollow rotor shaft, the cooling oil flows through the first gap through the first bearing, and the cooling oil flows through the second gap through the second bearing. According to the scheme, through setting up first clearance and second clearance, be convenient for advance the cooling oil inflow first bearing in the oil feed seat inner chamber, be convenient for cool oil inflow second bearing to realize lubrication and cooling to first bearing and second bearing.
As one preferable mode of the above scheme, a shaft tube is fixed on the second end cover, the shaft tube is arranged outside the rotor hollow shaft, a first gap is arranged between the shaft tube and the rotor hollow shaft, the first gap is communicated with the second gap and the second through hole, a third bearing is fixed in the shaft tube, the rotor hollow shaft is arranged on the third bearing, the third bearing is communicated with the first gap, a first through hole is arranged on the rotor hollow shaft, the first through hole is communicated with the third bearing, a second through hole is arranged at one end of the inner core shaft, the first through hole is communicated with the second through hole, the second gap is arranged between the inner core shaft and the rotor hollow shaft, and cooling oil sequentially flows through the hollow part, the second through hole, the second gap, the first through hole, the third bearing and the first gap, and the cooling oil flows into the second gap and the second through hole from the first gap. According to the above scheme, the shaft tube is arranged for protecting the rotor hollow shaft and for supporting the third bearing, the third bearing is used for guaranteeing rotation of the rotor hollow shaft, cooling oil flows out from the hollow part of the inner core shaft to the second gap through the second flow hole, then flows through the first flow hole, the third bearing and the first gap from the second gap in sequence, finally part of cooling oil flows into the cavity from the first gap through the second bearing, and the other part of cooling oil flows into the cavity from the first gap through the second through hole, and the cooling oil in the cavity flows into the oil collecting tank through the coil inside of the stator coil and finally flows back.
As one preferable mode of the above scheme, a third gap is formed between the inner mandrel and the hollow rotor shaft, a third flow hole is formed in the hollow rotor shaft, and the third flow hole is communicated with the third gap and the gap between the hollow rotor shaft and the silicon steel sheet of the rotor. According to the scheme, the cooling oil in the third gap can further realize heat dissipation of the rotor hollow shaft, and the cooling oil in the third gap flows through the gap between the rotor hollow shaft and the rotor silicon steel sheet through the third flow hole, so that heat dissipation of the rotor hollow shaft and the rotor silicon steel sheet is realized, and heat dissipation efficiency of the rotor is further improved.
As one preferable aspect of the above solution, the heat sink is formed with heat dissipation fins outside. According to the scheme, the radiating fins are communicated with air, so that large-area heat dissipation of the whole radiating seat can be realized, and meanwhile, the rapid air cooling heat dissipation of the radiating seat is realized, and the heat dissipation efficiency of the motor is further improved.
Preferably, the oil collecting tank is located at the lower portion of the heat dissipation seat, oil return holes are formed in two sides of the top of the oil collecting tank, the oil return holes are communicated with the cavity, and cooling oil in the cavity flows back to the oil collecting tank through the oil return holes. According to the scheme, the oil collecting tank is arranged at the lower part of the radiating seat, so that the cooling oil is easier to circulate and finally flows back to the oil collecting tank through the gravity principle.
In a second aspect, there is provided an electric machine comprising a heat dissipating device of an electric machine as described above, further comprising a free turbine arranged on the rotor central shaft, the free turbine being located on one side of the shaft tube.
When the motor works, the turbojet engine works to jet air flow, the air flow drives the free turbine to rotate, and the free turbine drives the rotor hollow shaft to rotate, so that the rotor rotates to cooperate with the stator to generate power, the motor can realize rapid heat dissipation and temperature reduction through the heat dissipation device in the power generation process, the service performance of the motor is ensured, and the continuous working time and the service life of the motor are effectively prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a second embodiment of the present utility model;
FIG. 2 is a schematic view of a part of the structure of FIG. 1;
FIG. 3 is another partial schematic view of the structure of FIG. 1;
Fig. 4 is a schematic perspective view of a heat sink according to the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 4 (the arrow direction in the drawing is the flowing direction of the cooling oil), the invention provides a heat dissipating device of a motor, which comprises a heat dissipating seat 1, a pump 2 and an inner mandrel 3 arranged in a rotor 100 of the motor, wherein a cavity 11 and an oil collecting tank 4 are arranged in the heat dissipating seat 1, the cavity 11 is communicated with the oil collecting tank 4, the rotor 100 is rotatably arranged on the cavity 11, a stator 200 of the motor is arranged in the cavity 11, the inner mandrel 3 is provided with a hollow part 31, the hollow part 31 and the cavity 11 are communicated with the oil collecting tank 4 through the pump 2, and the cooling oil in the oil collecting tank 4 flows through the hollow part 31, a gap between the rotor 100 and the stator 200 and the cavity 11 and finally flows into the oil collecting tank 4.
The rotor 100 includes a rotor hollow shaft 101, a rotor magnet 102 and a rotor silicon steel sheet 103, the stator includes a stator coil 200 and a stator silicon steel sheet (not shown), the inner core shaft 3 is disposed in the rotor hollow shaft 101, and the cooling oil flows through an inner wall of the rotor hollow shaft 101, a gap between the rotor hollow shaft 101 and the rotor silicon steel sheet 103, a gap between the rotor magnet 102 and the stator coil 200, and a coil inside of the stator coil 200. The cooling oil flows through the hollow part 31 of the inner mandrel 3 and the inner wall of the rotor hollow shaft 101 to synchronously realize the heat dissipation of the rotor hollow shaft 101, the cooling oil flows through the gap between the rotor hollow shaft 101 and the rotor silicon steel sheet 103 to realize the heat dissipation of the rotor hollow shaft 101 and the rotor silicon steel sheet 103, the cooling oil flows through the gap between the rotor magnet 102 and the stator coil 200 to realize the heat dissipation of the rotor magnet 102 and the stator coil 200, and the cooling oil flows through the inside of the coil of the stator coil 200 to realize the heat dissipation of the inside of the coil of the stator coil 200, so that the accurate heat dissipation of the rotor 100 and the stator is comprehensively realized, and the heat dissipation efficiency is high.
The heat dissipation seat 1 comprises an oil inlet seat 5, an inner cavity 51 is arranged in the oil inlet seat 5, the rotor hollow shaft 101 and one end of the inner mandrel 3 are arranged in the inner cavity 51, the inner cavity 51 is communicated with the cavity 11, an oil inlet hole 52 communicated with the inner cavity 51 is arranged on the oil inlet seat 5, the oil inlet hole 52 is communicated with the oil collecting tank 4 through a pipeline 6, and the pump 2 is arranged on the pipeline 6. Through setting up oil feed seat 5 and pipeline 6, the cooling oil in the oil collecting tank 4 of being convenient for effectively gets into hollow portion 31 and the cavity 11 of mandrel 3 through the effect of pump 2, provides the assurance for the heat dissipation of rotor 100 and stator.
The heat dissipation seat 1 further comprises a first end cover 12 and a second end cover 13, the cavity 11 is located between the first end cover 12 and the second end cover 13, the first end cover 12 is fixedly connected with the oil inlet seat 5, a first bearing 71 is fixed on the first end cover 12, a first through hole 121 is formed on the first end cover 12, a second bearing 72 is fixed on the second end cover 13, a second through hole 131 is formed on the second end cover 13, the rotor hollow shaft 101 is fixed on the first end cover 12 and the second end cover 13 through the first bearing 71 and the second bearing 72 respectively, the first bearing 71, the first through hole 121, the second bearing 72 and the second through hole 131 are all communicated with the cavity 11, and cooling oil flows through the first bearing 71, the first through hole 121, the second bearing 72 and the second through hole 131. The arrangement of the first end cover 12 and the second end cover 13 ensures the tightness of the cavity 11, ensures the circulation and heat dissipation of cooling oil in the cavity 11, simultaneously, the first end cover 12 and the second end cover 13 are respectively used for supporting the first bearing 71 and the second bearing 72, the first bearing 71 and the second bearing 72 ensure the rotation of the rotor 100, the cooling oil flows through the first bearing 71 and the second bearing 72, the lubrication of the first bearing 71 and the second bearing 72 can be realized, the cooling of the first bearing 71 and the second bearing 72 can be realized, the service life of the first bearing 71 and the second bearing 72 is prolonged under the condition that the stable operation of the motor rotor 100 is ensured, and the cooling oil flows through the first through hole 121 and the second through hole 131, so that the cooling oil flows into the cavity 11, and the cooling oil is convenient to dissipate heat of the stator coil 200 and flow back to the oil collecting tank 4. A first gap 81 is arranged between the first end cover 12 and the hollow rotor shaft 101, the first gap 81 is communicated with the inner cavity 11, a second gap 82 is arranged between the second end cover 12 and the hollow rotor shaft 101, the cooling oil flows through the first bearing 71 through the first gap 81, and the cooling oil flows through the second bearing 72 through the second gap 82. By providing the first gap 81 and the second gap 82, the cooling oil in the inner cavity of the oil inlet seat is facilitated to flow into the first bearing 71, and the cooling oil is facilitated to flow into the second bearing 72, so that lubrication and cooling of the first bearing 71 and the second bearing 72 are realized.
The second end cover 13 is fixed with a shaft tube 90, the shaft tube 90 is disposed outside the hollow rotor shaft 101, a first gap 91 is disposed between the shaft tube 90 and the hollow rotor shaft 101, the first gap 91 is communicated with the second gap 82 and the second through hole 131, a third bearing 73 is fixed in the shaft tube 90, the hollow rotor shaft 101 is disposed on the third bearing 73, the third bearing 73 is communicated with the first gap 91, a first through hole 104 is disposed on the hollow rotor shaft 101, in this embodiment, the first through hole 104 is provided with two groups, each group is provided with two first through holes 104, the two first through holes 104 are respectively disposed on the upper and lower sides of the hollow inner shaft 3, the first through hole 104 is communicated with the third bearing 73, one end of the hollow inner shaft 3 is provided with a second through hole 32, in this embodiment, the second through hole 32 is disposed with two second through holes 32 respectively disposed on the upper and lower sides of the hollow inner shaft 3, the first through hole 104 and the second through hole 32 are communicated with the second gap 92, the hollow rotor shaft 3 is disposed between the hollow shaft 101 and the hollow rotor shaft 101 in turn, and the hollow shaft 101 is cooled by the hollow shaft, The second flow hole 32, the second slit 92, the first flow hole 104, the third bearing 83, and the first slit 91, and the cooling oil flows from the first slit 91 into the second gap 82 and the second via 131. the shaft tube 90 is provided for protecting the hollow rotor shaft 101 and for supporting the third bearing 73, the third bearing 73 is provided for securing the rotation of the hollow rotor shaft 104, and the cooling oil flows out from the hollow portion 31 of the inner core shaft 3 to the second slit 92 through the second through-hole 32, and then flows through the first through-hole 104 from the second slit 92 in order, The third bearing 73 and the first gap 91, the last part of cooling oil flows into the cavity 11 from the first gap 91 through the second bearing 72, the other part of cooling oil flows into the cavity 11 from the first gap 91 through the second through hole 131, the cooling oil in the cavity 11 flows through the coil inside of the stator coil 200 and finally flows back into the oil collecting tank 4, in the process, the cooling oil flows through the second gap 92 and the first through hole 104 to realize heat dissipation to the rotor hollow shaft 101, the cooling oil flows through the third bearing 73 to realize lubrication and cooling to the third bearing 73, the cooling oil flows through the first gap 91 to realize heat dissipation to the bearing tube 90, and therefore the heat dissipation of the rotor hollow shaft 101 is further realized. A third gap 93 is arranged between the inner mandrel 3 and the hollow rotor shaft 101, and third through holes 105 are formed in the hollow rotor shaft 101, in this embodiment, two third through holes 105 are formed in the hollow rotor shaft 105, and the two third through holes 105 are respectively located at the upper side and the lower side of the inner mandrel 3, and the third through holes 105 are communicated with the third gap 93 and gaps between the hollow rotor shaft 101 and the silicon steel sheet 103. The cooling oil in the third gap 93 can further realize heat dissipation of the hollow rotor shaft 101, and the cooling oil in the third gap 93 flows through the gap between the hollow rotor shaft 101 and the silicon steel sheet 103 of the rotor through the third flow hole 105, so that heat dissipation of the hollow rotor shaft 101 and the silicon steel sheet 103 of the rotor is realized, and heat dissipation efficiency of the rotor 100 is further improved. in this embodiment, a support 300 is disposed in the third gap 93, where the support 300 is used to support the inner spindle 3, a third gap 83 is disposed between the oil inlet seat 5 and the hollow rotor shaft 101, and the inner cavity 51 of the oil inlet seat 5 is communicated with the cavity 11 through the third gap 83.
The heat sink 1 is formed with heat sink fins 14. The heat radiation fins 14 are communicated with air, so that large-area heat radiation of the whole heat radiation seat 1 can be realized, and meanwhile, rapid air cooling heat radiation of the heat radiation seat 1 is realized, and the heat radiation efficiency of the motor is further improved. The oil collecting tank 4 is located at the lower part of the heat dissipation seat 1, oil return holes 41 are formed in two sides of the top of the oil collecting tank 4, the oil return holes 41 are communicated with the cavity 11, and cooling oil in the cavity 11 flows back to the oil collecting tank 4 through the oil return holes 41. The oil collecting tank 4 is arranged at the lower part of the heat radiating seat 1, so that the cooling oil is easier to circulate and finally flows back to the oil collecting tank 4 through the gravity principle.
In this embodiment, the cooling oil in the oil collecting tank 4 flows into the oil inlet hole 52 of the oil inlet seat 5 through the pipeline 6 under the action of the pump 2 and then enters the inner cavity 51, then a part of the cooling oil enters the hollow part 31 of the inner mandrel 3, a part of the cooling oil enters the hollow rotor shaft 101 to dissipate heat of the hollow rotor shaft 101, another part of the cooling oil flows through the first gap 81, the first bearing 71 and the first through hole 121 through the third gap 83 to lubricate and cool the first bearing 71, and then the cooling oil flows into the cavity 11; the cooling oil in the hollow part 31 of the inner mandrel 3 flows through the whole inner mandrel 3 and finally flows out from the second flow hole 32 to the second gap 92, and then flows through the first flow hole 104, the third bearing 73 and the first gap 91 from the second gap 92, so that the rotor hollow shaft 101 and the shaft tube 90 are radiated, the third bearing 73 is lubricated and cooled, a part of the cooling oil in the first gap 91 flows through the second gap 82 and the second bearing 72 into the cavity 11, the other part flows into the cavity 11 through the second through hole 131, so that the second bearing 72 is lubricated and cooled, the cooling oil in the rotor hollow shaft 101 flows through the gap between the rotor hollow shaft 101 and the rotor silicon steel sheet 103 through the third flow hole 105, so that the heat dissipation of the rotor hollow shaft 101 and the rotor silicon steel sheet 103 is realized, and finally flows into the cavity 11, the cooling oil in the cavity 11 flows through the gap between the rotor magnet 102 and the stator coil 200, and the coil inside the stator coil 200 are fed to the rotor magnet 102 and the stator coil 200, and finally the cooling oil returns to the oil collecting tank 4 from the cavity 11 through the oil return hole 41, so that the cooling and circulating utilization is realized, and the cooling oil flows through the third flow hole 105 and the gap between the rotor hollow shaft 101 and the rotor silicon steel sheet 103, so that the heat dissipation of the rotor is realized.
According to the utility model, the heat dissipation seat 1, the pump 2 and the inner mandrel 3 are arranged, the cooling oil in the oil collection tank 4 can enter the hollow part 31 and the cavity 11 of the inner mandrel 3 under the action of the pump 2, the cooling oil flows through the hollow part 31 of the inner mandrel 3 so as to dissipate heat of the rotor 100, the cooling oil flows through the gap between the rotor 100 and the stator so as to dissipate heat of the rotor 100 and the stator, and the cooling oil flows into the cavity 11 so as to dissipate heat of the rotor 100 and the stator of the motor, so that the heat dissipation efficiency is high, and the continuous working time and the service life of the motor are effectively prolonged.
Example two
As shown in fig. 2, the present invention provides an electric motor, including the heat dissipating device of the electric motor according to the first embodiment, and further including a free turbine 400, wherein the free turbine 400 is disposed on the rotor center shaft 101, and the free turbine 400 is located at one side of the shaft tube 90.
When the motor works, the turbojet engine works to jet air flow, the air flow drives the free turbine to rotate, and the free turbine drives the rotor hollow shaft to rotate, so that the rotor rotates to cooperate with the stator to generate power, the motor can realize rapid heat dissipation and temperature reduction through the heat dissipation device in the power generation process, the service performance of the motor is ensured, and the continuous working time and the service life of the motor are effectively prolonged.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420801387.XU CN222192074U (en) | 2024-04-17 | 2024-04-17 | Motor heat dissipation device and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420801387.XU CN222192074U (en) | 2024-04-17 | 2024-04-17 | Motor heat dissipation device and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222192074U true CN222192074U (en) | 2024-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420801387.XU Active CN222192074U (en) | 2024-04-17 | 2024-04-17 | Motor heat dissipation device and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222192074U (en) |
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2024
- 2024-04-17 CN CN202420801387.XU patent/CN222192074U/en active Active
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