A motor with high efficiency heat dissipation

Abstract

The present invention discloses a motor with high efficiency heat dissipation, which relates to the field of motors, including a motor housing, a rotating shaft, a rotor assembly and a stator assembly, wherein an inner flow sleeve is welded and fixed to the outer side of the rotating shaft, an air inlet mechanism is arranged on the right side of the inner flow sleeve, the rotor assembly is composed of an inner rotor group and an outer rotor group, an outer flow sleeve is arranged between the inner rotor group and the outer rotor group, the stator assembly is arranged on the inner wall of the motor housing, the stator assembly includes a stator group, a liquid cooling mechanism is arranged on the outer side of the stator group, and a heat conduction mechanism matched with the liquid cooling mechanism is embedded on the inner side of the stator group. The motor with high efficiency heat dissipation adopts two groups of rotor structures, namely, an inner rotor group and an outer rotor group, and the inner flow sleeve and the outer flow sleeve cooperate with each other to enhance the air flow effect near the axis of the rotating shaft, thereby improving the heat dissipation effect at the center of the motor, effectively reducing the temperature at the center of the motor, and slowing down the aging of the motor.

Description

Technical Field

[0001] The present invention relates to the technical field of motors, and in particular to a motor with high-efficiency heat dissipation. Background Art

[0002] In the process of converting electrical energy into mechanical energy, the motor will inevitably generate heat energy. If this heat cannot be effectively dissipated, the temperature of the motor will continue to rise, affecting its performance and even causing damage. Motor heat dissipation is the key to ensuring its normal operation, which is mainly achieved through natural cooling, forced ventilation, liquid cooling and other means. These methods use air flow or liquid circulation to reduce the motor temperature and prevent overheating.

[0003] During the operation of the motor, the internal heat decreases radially outward, resulting in the heat at the motor center being much higher than that at the edge. The liquid cooling system of the motor is usually installed near the stator for heat dissipation, and the heat dissipation effect at the center of the motor is poor. At the same time, since the coils at the center of the motor are densely distributed and the channels for gas circulation are small, the gas flow in the center where the coils are densely distributed is poor, and direct heat dissipation is impossible, making the aging efficiency of the structure at the center of the motor much higher than that at the edge, thereby affecting the life of the motor. Therefore, this scheme proposes a motor with efficient heat dissipation. Summary of the invention

[0004] Technical problem solved: The heat dissipation effect at the center of the motor is poor, which makes the aging efficiency of the structure at the center of the motor much higher than that at the edge area, thus affecting the life of the motor.

[0005] In view of the deficiencies in the prior art, the present invention provides a motor with efficient heat dissipation, thereby solving the technical problems mentioned in the background technology.

[0006] Technical solution: To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A motor with high efficiency in heat dissipation comprises a motor housing, a rotating shaft, a rotor assembly and a stator assembly, wherein the rotating shaft is arranged on the center line of the motor housing, an inner flow sleeve is welded and fixed on the outer side of the rotating shaft, a first spiral guide vane is welded and fixed on the inner side of the inner flow sleeve, an air inlet mechanism is arranged on the right side of the inner flow sleeve, the air inlet mechanism comprises a fan frame, outer blades arranged at the edge of the fan frame and inner blades arranged at the center of the fan frame, the rotor assembly consists of an inner rotor group and an outer rotor group, the inner rotor group is arranged on the outer side of the inner flow sleeve, an outer flow sleeve is arranged between the inner rotor group and the outer rotor group, and a second spiral guide vane is welded and fixed on the inner side of the outer flow sleeve;

[0008] The stator assembly is arranged on the inner wall of the motor housing, and the stator assembly includes a stator group. A liquid cooling mechanism is arranged on the outer side of the stator group, and a heat conduction mechanism matched with the liquid cooling mechanism is embedded on the inner side of the stator group. The heat conduction mechanism includes a heat conduction sleeve, a flow guide pipe and a heat conduction frame.

[0009] In a possible implementation, both left and right ends of the motor housing are provided with integrally formed mounting rings, and the mounting ring on the left is provided with support grooves distributed in a circular array, a front end cover is provided on the left side of the motor housing, the inner wall of the front end cover is clamped and fixed to the support groove, and a gap is provided between the inner wall of the front end cover and the motor housing, a rear end cover is provided on the right side of the motor housing, an annular groove distributed in a circular array is opened on the rear end cover, a protective cover is provided on the right side of the rear end cover, the rear end cover and the protective cover are clamped and fixed to the mounting ring on the right, and bearings are installed at the centers of the front end cover, the rear end cover and the protective cover.

[0010] In a possible implementation, the first spiral guide vanes have four groups, and the four groups of first spiral guide vanes are distributed in a circular array on the inner side of the inner flow sleeve, the twisting angle of the first spiral guide vanes is 80 degrees to 100 degrees, and the right end of the inner flow sleeve is connected to the bearing on the rear end cover.

[0011] In a possible implementation, the air intake mechanism is arranged on the right side of the rear end cover, and the air intake mechanism also includes a fixed sleeve, which is arranged at the center of the fan frame and is sleeved with the right end of the inner flow sleeve. The fan frame is a conical structure, and outer fan blades distributed in a circular array are arranged on the right side wall of the fan frame and near the edge, and inner fan blades distributed in a circular array are arranged on the right side wall of the fan frame and near the center. The inner fan blades and the outer fan blades are spaced apart from each other, and the inner fan blades extend to the inner side of the fixed sleeve.

[0012] In a possible implementation, the inner rotor group is provided with a plurality of groups of coil slots symmetrically distributed in a V shape, an inner coil is clamped and fixed on the inner side of the coil slot, symmetrically distributed trapezoidal slots are provided on adjacent sides of the coil slot and near the bottom end, and a plurality of evenly distributed magnetic steel slots are provided on the inner rotor group and between adjacent coil slots.

[0013] In a possible implementation, the inner ring of the outer flow sleeve is fixedly connected to the inner rotor group, the outer ring of the outer flow sleeve is fixedly connected to the outer rotor group, the second spiral guide vanes have eight groups, and the eight groups of second spiral guide vanes are distributed in a circular array on the inner side of the outer flow sleeve, and the twisting angle of the second spiral guide vanes is 40 degrees to 50 degrees.

[0014] In a possible implementation, T-frames distributed in a circular array are provided on the outer wall of the outer rotor group, heat sinks are provided between adjacent T-frames, dust frames are provided on both the left and right sides of the outer rotor group, the dust frames are fixedly connected to the edge of the inner flow sleeve, a dust net is provided on the dust frame on a side close to the outer rotor group, and a plurality of evenly distributed arc blades are provided on the dust frame on a side away from the outer rotor group.

[0015] In one possible implementation, a coil frame distributed in a circular array is provided on the inner side of the stator group, and the liquid cooling mechanism includes a spiral flow channel, which is in contact with the outer surface of the stator group. A water inlet pipe is provided above the spiral flow channel, and the left and right sides of the water inlet pipe are respectively connected to the two ends of the spiral flow channel. A water outlet pipe is provided at the top center of the spiral flow channel, and a protective cover is installed on the top of the motor housing and on the outside of the water inlet pipe.

[0016] In a possible implementation, the heat-conducting sleeve is arranged on the outside of the outer rotor group, and a plurality of evenly distributed heat-conducting plates are arranged on the outside of the heat-conducting sleeve, and the heat-conducting plates are welded and fixed to the inner wall of the stator group. A plurality of groups of flow guide pipes are arranged on the outer wall of the heat-conducting sleeve in a ring array, and a plurality of evenly distributed connecting pipes are arranged on the flow guide pipes, and the ends of the connecting pipes are connected to the spiral flow channel.

[0017] 10. A motor with high efficiency heat dissipation as claimed in claim 1, characterized in that: the rotor assembly is a three-section structure, the heat-conducting frame is arranged on the outside of the inner flow sleeve and is located between adjacent rotor assemblies, there is no contact between the inner surface of the heat-conducting sleeve and the outer surface of the inner flow sleeve, the inner side of the heat-conducting frame is provided with inclined plates distributed in a ring array, the circumferential outer wall of the heat-conducting frame is provided with a plurality of evenly distributed strip edges, the inner wall of the heat-conducting sleeve is provided with a plurality of evenly distributed strip grooves, and the strip edges are snap-fitted with the strip grooves.

[0018] Beneficial Effects

[0019] In this solution, the rotor assembly is composed of two rotor structures, an inner rotor group and an outer rotor group, and an inner flow sleeve is arranged on the inner side of the inner rotor group, and an outer flow sleeve is arranged on the inner side of the outer rotor group. The inner flow sleeve and the outer flow sleeve cooperate with each other to enhance the air flow effect near the axis of the rotating shaft, thereby improving the heat dissipation effect of the center position of the motor, effectively reducing the temperature of the center position of the motor, and slowing down the aging of the motor.

[0020] In this solution, by arranging inner blades and outer blades on the fan frame, the inner blades can drive the air to flow to the inside of the inner flow sleeve, and driven by the first spiral guide blades, the air inside the inner flow sleeve can flow quickly, thereby improving the heat dissipation effect on the inner rotor group and the motor axis. The outer blades cooperate with the second spiral guide blades to enhance the heat dissipation effect on the outer rotor group and effectively improve the heat dissipation efficiency of the coil.

[0021] In this solution, by adopting a three-section rotor assembly, the air circulation inside the rotor assembly can be enhanced to facilitate heat dissipation, and a heat conductive frame is set between adjacent rotor assemblies to guide the heat. With the cooperation of the liquid cooling mechanism, the heat dissipation effect at the center of the motor is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a cross-sectional view of the overall structure of the present invention;

[0025] Figure 3 It is a left side view of the interior of the motor of the present invention;

[0026] Figure 4 This is an exploded view of the motor housing structure of the present invention;

[0027] Figure 5 It is a schematic diagram of the rotating shaft structure of the present invention;

[0028] Figure 6 It is a schematic diagram of the fan frame structure of the present invention;

[0029] Figure 7 is a schematic diagram of a rotor assembly of the present invention;

[0030] Figure 8 It is a left side view of the rotor assembly of the present invention;

[0031] Fig. 9 For the present invention Figure 8 A magnified view of part A;

[0032] Fig.10 It is a schematic diagram of the structure of the outer flow sleeve of the present invention;

[0033] Fig.11 It is a schematic diagram of the structure of the stator assembly of the present invention;

[0034] Fig.12It is a left side view of the stator assembly of the present invention;

[0035] Fig.13 It is a schematic diagram of the spiral flow channel of the present invention;

[0036] Fig.14 It is a schematic diagram of the heat conduction mechanism structure of the present invention.

[0037] Legend: 1. Motor housing; 11. Front cover; 12. Rear cover; 121. Annular groove; 13. Shield; 14. Mounting ring; 141. Support groove; 15. Bearing; 2. Rotating shaft; 21. Inner flow sleeve; 22. First spiral guide vane; 23. Fan frame; 231. Outer blades; 24. Fixed sleeve; 241. Inner blades; 3. Inner rotor assembly; 31. Coil slot; 311. Trapezoidal slot; 32. Inner coil; 33. Magnetic steel slot; 4. Outer Flow sleeve; 41, second spiral guide vane; 5, outer rotor group; 51, T-frame; 52, heat sink; 53, dust frame; 531, dust net; 532, arc blade; 6, stator group; 61, coil frame; 7, spiral flow channel; 71, water inlet pipe; 72, water outlet pipe; 73, protective cover; 8, heat conduction sleeve; 81, heat conduction sheet; 82, guide pipe; 821, connecting pipe; 83, strip groove; 84, heat conduction frame; 841, inclined sheet; 842, strip edge. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention can be implemented in various forms, so the present invention is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, components that are not connected with the invention will be omitted from the drawings.

[0039] The technical solution in the embodiment of the present application is to solve the problems of the above-mentioned background technology, and the overall idea is as follows:

[0040] Embodiment 1:

[0041] This embodiment introduces a specific structure of a motor with high efficiency heat dissipation, such as Figure 1-Figure 14 As shown, it includes a motor housing 1, a rotating shaft 2, a rotor assembly and a stator assembly. The rotating shaft 2 is arranged on the center line of the motor housing 1. An inner flow sleeve 21 is welded and fixed to the outer side of the rotating shaft 2. An air inlet mechanism is arranged on the right side of the inner flow sleeve 21. The rotor assembly consists of an inner rotor group 3 and an outer rotor group 5. The inner rotor group 3 is arranged on the outer side of the inner flow sleeve 21. An outer flow sleeve 4 is arranged between the inner rotor group 3 and the outer rotor group 5.

[0042] The stator assembly is arranged on the inner wall of the motor housing 1, and the stator assembly includes a stator group 6. A liquid cooling mechanism is arranged on the outer side of the stator group 6, and a heat conducting mechanism cooperating with the liquid cooling mechanism is embedded on the inner side of the stator group 6. The heat conducting mechanism includes a heat conducting sleeve 8, a flow guide pipe 82 and a heat conducting frame 84.

[0043] In this solution, the rotor assembly is composed of two rotor structures, namely an inner rotor group 3 and an outer rotor group 5, and an inner flow sleeve 21 is arranged on the inner side of the inner rotor group 3, and an outer flow sleeve 4 is arranged on the inner side of the outer rotor group 5. The inner flow sleeve 21 and the outer flow sleeve 4 cooperate with each other to enhance the air flow effect near the axis of the rotating shaft 2, thereby improving the heat dissipation effect of the center position of the motor. At the same time, the heat inside the motor is quickly guided by the heat conduction mechanism, so that the heat is quickly transferred to the liquid cooling mechanism, thereby improving the heat dissipation efficiency of the liquid cooling mechanism to the inside of the motor.

[0044] like Figure 2 and Figure 4 As shown, both left and right ends of the motor housing 1 are provided with an integrally formed mounting ring 14, and the mounting ring 14 on the left is provided with supporting grooves 141 distributed in a circular array, and a front end cover 11 is provided on the left side of the motor housing 1, and the front end cover 11 is fixedly connected to the motor housing 1 by bolts, and a supporting block is provided on the inner wall of the front end cover 11, which is clamped and fixed with the supporting groove 141. With the support of the supporting block and the supporting groove, a gap is provided between the inner wall of the front end cover 11 and the motor housing 1, so that the hot air inside the motor housing 1 can be discharged to the outside conveniently through the gap.

[0045] A rear end cover 12 is provided on the right side of the motor housing 1, and an annular array of annular grooves 121 are provided on the rear end cover 12. Multiple groups of annular grooves 121 are evenly distributed on a circular ring with the same center. The annular grooves 121 can be used to disperse and guide the air entering the motor housing 1 to ensure the uniformity of the air.

[0046] A shield 13 is provided on the right side of the rear end cover 12. The rear end cover 12 and the shield 13 are both clamped and fixed with the mounting ring 14 on the right side. The shield 13 protects the fan frame 23 and prevents dust from entering the interior of the motor housing 1. Bearings 15 are installed at the centers of the front end cover 11, the rear end cover 12 and the shield 13. The ends of the rotating shaft 2 are respectively connected to the bearings 15 on the front end cover 11 and the shield 13. The right end of the inner flow sleeve 21 is connected to the bearing 15 on the rear end cover 12. The bearing 15 will reduce the friction resistance of the rotating shaft 2 and the inner flow sleeve 21 during rotation and reduce the heat generation.

[0047] like Figure 5 and 6 As shown, four groups of first spiral guide vanes 22 distributed in a circular array are welded and fixed to the inner side of the inner flow sleeve 21 , and the twisting angle of the first spiral guide vanes 22 is 80 degrees to 100 degrees. The right end of the inner flow sleeve 21 is connected to the bearing 15 on the rear end cover 12 .

[0048] When the twisting angle of the first spiral guide vane 22 is 90 degrees, since the spacing between adjacent first spiral guide vanes 22 is 90 degrees, the projection line of the left edge of the first spiral guide vane 22 coincides with the right edge of the adjacent first spiral guide vane 22. When the inner flow sleeve 21 rotates, the first spiral guide vane 22 can quickly drive the air in the inner flow sleeve 21 to flow, so that the air at the motor axis flows at a faster flow rate, thereby quickly dissipating the heat at the motor axis to avoid overheating of the motor axis.

[0049] The air intake mechanism is arranged on the right side of the rear end cover 12, and the air intake mechanism includes a fan frame 23 and a fixed sleeve 24. The fan frame 23 is a conical structure, which can enhance the air guiding effect. The right side wall of the fan frame 23 and near the edge are provided with outer fan blades 231 distributed in a circular array. The fixed sleeve 24 is arranged at the center of the fan frame 23. The fixed sleeve 24 is sleeved and matched with the right end of the inner flow sleeve 21 and fixed by bolts. The right side wall of the fan frame 23 and near the center are provided with inner fan blades 241 distributed in a circular array. The inner fan blades 241 and the outer fan blades 231 are spaced apart from each other, and the inner fan blades 241 extend to the inner side of the fixed sleeve 24, so that the blade tip of the inner fan blade 241 is located on the inner side of the inner flow sleeve 21.

[0050] When the rotating shaft 2 drives the inner flow sleeve 21 to rotate, the inner flow sleeve 21 can drive the fan frame 23 to rotate synchronously, and the fan frame 23 can drive the inner blades 241 and the outer blades 231 to rotate simultaneously. The outer blades 231 can drive the air to flow toward the edge of the motor housing 1, and flow evenly to the inner side of the rotor assembly through the annular groove 121. The inner blades 241 can drive the air to flow toward the inner side of the inner flow sleeve 21, and driven by the first spiral guide blades 22, the air inside the inner flow sleeve 21 flows quickly, thereby improving the heat dissipation effect at the motor axis.

[0051] like Figure 7-10 As shown, the inner rotor group 3 is provided with a plurality of groups of coil slots 31 symmetrically distributed in a V shape, and the inner side of the coil slots 31 is clamped and fixed with an inner coil 32, so that the number of inner coils 32 to be installed can be selected, and different numbers of inner coils 32 can be installed on the inner rotor group 3, and symmetrically distributed trapezoidal slots 311 are provided on the adjacent sides of the coil slots 31 and near the bottom end, and the trapezoidal slots 311 can enhance the air flow effect inside the coil slots 31 and enhance the heat dissipation effect of the inner coil 32.

[0052] A number of evenly distributed magnetic steel slots 33 are provided on the inner rotor group 3 and between adjacent coil slots 31. The adjacent magnetic steel slots 33 are symmetrically distributed in a V shape. The magnetic steel slots 33 located on the outer circle are used to install magnetic steel bars, and the magnetic steel slots 33 located on the inner circle are used to enhance the air circulation effect on the inner side of the inner rotor group 3 to facilitate heat dissipation.

[0053] The inner ring of the outer flow sleeve 4 is fixedly connected to the inner rotor group 3, and the outer ring of the outer flow sleeve 4 is fixedly connected to the outer rotor group 5. Eight groups of second spiral guide vanes 41 distributed in a circular array are arranged on the inner side of the outer flow sleeve 4. The twisting angle of the second spiral guide vanes 41 is 40 degrees to 50 degrees. The second spiral guide vanes 41 can drive the air to flow inside the outer flow sleeve 4, increase the contact area with the air, and improve the heat dissipation effect.

[0054] T-frames 51 distributed in a circular array are arranged on the outer wall of the outer rotor group 5. The T-frames 51 are used to wind and fix the outer coil. Heat sinks 52 are arranged between adjacent T-frames 51. Dustproof frames 53 are arranged on the left and right sides of the outer rotor group 5. The dustproof frames 53 are fixedly connected to the edge of the inner flow sleeve 21. A dustproof net 531 is arranged on the side of the dustproof frame 53 close to the outer rotor group 5, and a plurality of evenly distributed arc blades 532 are arranged on the side of the dustproof frame 53 away from the outer rotor group 5.

[0055] The dustproof net 531 can be used to prevent dust at the left and right ends of the inner flow sleeve 21, so as to prevent dust in the air from contacting the coil and to prevent dust from accumulating on the surface of the coil and affecting the heat dissipation effect. At the same time, the rotation of the inner flow sleeve 21 can lead the arc blades 532 to rotate synchronously. The arc blades 532 can further improve the air flow on both sides near the rotor, so as to facilitate the guidance of the air.

[0056] like Figure 1-Figure 14 As shown, a coil frame 61 distributed in a ring array is provided on the inner side of the stator group 6, and the liquid cooling mechanism includes a spiral flow channel 7, which is in contact with the outer surface of the stator group 6, and a water inlet pipe 71 is provided above the spiral flow channel 7. The left and right sides of the water inlet pipe 71 are respectively connected to the two ends of the spiral flow channel 7, and a water outlet pipe 72 is provided at the top center of the spiral flow channel 7. A protective cover 73 is installed on the top of the motor housing 1 and on the outside of the water inlet pipe 71.

[0057] Through the cooperation between the water inlet pipe 71 and the water outlet pipe 72, the coolant can flow from the water inlet pipe 71 into the two ends of the spiral flow channel 7, flow from the two ends to the middle in the spiral flow channel 7, and be discharged outward through the water outlet pipe 72 in the middle of the spiral flow channel 7. Since the temperature at the center of the motor housing 1 is higher and the temperature at the edge is lower, the coolant flows from the two ends to the middle. After the heat is dissipated in the middle position of the motor housing 1, the heated coolant can flow out quickly to avoid the heated coolant affecting the heat dissipation effect.

[0058] The heat-conducting sleeve 8 is arranged on the outside of the outer rotor group 5, and a plurality of evenly distributed heat-conducting sheets 81 are arranged on the outside of the heat-conducting sleeve 8. The heat-conducting sheets 81 are welded and fixed to the inner wall of the stator group 6. A plurality of groups of flow guide pipes 82 are arranged on the outer wall of the heat-conducting sleeve 8 in a ring array. A plurality of evenly distributed connecting pipes 821 are arranged on the flow guide pipes 82. The ends of the connecting pipes 821 are connected to the spiral flow channel 7. The heat-conducting sleeve 8 and the heat-conducting sheets 81 cooperate with each other, so that a large area of ​​the outside of the outer rotor group 5 can be contacted with the air and the heat can be guided. At the same time, the connecting pipes 821 and the flow guide pipes 82 cooperate with each other, so that part of the coolant can flow along the outer surface of the heat-conducting sleeve 8, thereby improving the heat dissipation effect of the heat-conducting sleeve 8 inside the motor housing 1.

[0059] Working principle: the rotor assembly is composed of two groups of rotor structures, namely the inner rotor group 3 and the outer rotor group 5, and an inner flow sleeve 21 is arranged on the inner side of the inner rotor group 3, and an outer flow sleeve 4 is arranged on the inner side of the outer rotor group 5. When the rotating shaft 2 rotates, the inner flow sleeve 21 can drive the fan frame 23 to rotate, and the outer fan blades 231 and the annular grooves 121 cooperate with each other to drive the air to flow evenly to the inside of the motor housing 1. The inner fan blades 241 drive the air to flow to the inside of the inner flow sleeve 21, and cooperate with the first spiral guide blades 22 to drive the air to flow rapidly in the inner flow sleeve 21, so as to quickly dissipate the heat at the axial center position on the inner side of the inner rotor group 3. At the same time, the second spiral guide blades 41 drive the air flow inside the outer flow sleeve 4 to dissipate heat. By dissipating the heat separately for the inner rotor group 3 and the outer rotor group 5, the heat dissipation efficiency of the coil can be improved, and the temperature at the motor axial center position can be avoided to be too high.

[0060] Furthermore, the coolant flows through the water inlet pipe 71 to the two ends of the spiral flow channel 7, and flows from the ends of the spiral flow channel 7 to the center to dissipate heat on the outside of the stator group 6. At the same time, the heat-conducting sleeve 8, the heat-conducting plate 81 and the flow guide pipe 82 cooperate with each other to conduct heat on the outside of the outer rotor group 5, further improving the heat dissipation effect of the liquid cooling mechanism.

[0061] Embodiment 2:

[0062] This embodiment is an improvement based on the first embodiment:

[0063] In order to further improve the heat dissipation effect at the center of the motor, Figure 7 and Fig.14As shown, the rotor assembly is a three-section structure, which can enhance the air flow inside the rotor assembly. The heat-conducting frame 84 is arranged on the outside of the inner flow sleeve 21 and is located between adjacent rotor assemblies. There is no contact between the inner surface of the heat-conducting sleeve 8 and the outer surface of the inner flow sleeve 21. The inner side of the heat-conducting frame 84 is provided with inclined plates 841 distributed in a ring array. A plurality of evenly distributed strip edges 842 are arranged on the circumferential outer wall of the heat-conducting frame 84. A plurality of evenly distributed strip grooves 83 are opened on the inner wall of the heat-conducting sleeve 8. The strip grooves 83 can expand the contact area between the inner surface of the heat-conducting sleeve 8 and the air, and enhance the guiding and heat dissipation effect. At the same time, the strip edges 842 are snap-fitted with the strip grooves 83, so as to limit and fix the heat-conducting frame 84.

[0064] When the rotating shaft 2 drives the rotor assembly to rotate, since there is no contact between the heat conductive frame 84 and the inner flow sleeve 21, the inner flow sleeve 21 will not rotate on the inner side of the heat conductive sleeve 8. The heat conductive frame 84 and the inclined plate 841 can extend to the center position of the motor and conduct heat between adjacent rotor assemblies. When the rotor assembly and the second spiral guide vane 41 drive the air flow, the inclined plate 841 can contact the flowing hot air over a large area, and with the cooperation of the liquid cooling mechanism, the heat dissipation effect on the center position of the motor is enhanced.

[0065] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A heat dissipating motor, characterized in that: include: A motor housing (1), a rotating shaft (2), a rotor assembly and a stator assembly, wherein the rotating shaft (2) is arranged on the center line of the motor housing (1), an inner flow sleeve (21) is welded and fixed on the outer side of the rotating shaft (2), a first spiral guide vane (22) is welded and fixed on the inner side of the inner flow sleeve (21), an air intake mechanism is arranged on the right side of the inner flow sleeve (21), the air intake mechanism comprises a fan frame (23), outer fan blades (231) arranged at the edge of the fan frame (23), and inner fan blades (241) arranged at the center of the fan frame (23), the rotor assembly comprises an inner rotor group (3) and an outer rotor group (5), the inner rotor group (3) is arranged on the outer side of the inner flow sleeve (21), an outer flow sleeve (4) is arranged between the inner rotor group (3) and the outer rotor group (5), and a second spiral guide vane (41) is welded and fixed on the inner side of the outer flow sleeve (4); The stator assembly is arranged on the inner wall of the motor housing (1), the stator assembly comprises a stator group (6), a liquid cooling mechanism is arranged on the outer side of the stator group (6), a heat conduction mechanism cooperating with the liquid cooling mechanism is embedded on the inner side of the stator group (6), the heat conduction mechanism comprises a heat conduction sleeve (8), a flow guide pipe (82) and a heat conduction frame (84), the rotor assembly is a three-section structure, the heat conduction frame (84) is arranged on the outer side of the inner flow sleeve (21) and is located between adjacent rotor assemblies, the inner surface of the heat conduction sleeve (8) is not in contact with the outer surface of the inner flow sleeve (21), and the inner side of the heat conduction frame (84) is provided with inclined plates (841) distributed in a ring array.

2. A heat dissipating motor as claimed in claim 1, characterized in that: Both left and right ends of the motor housing (1) are provided with integrally formed mounting rings (14), and the mounting ring (14) on the left side is provided with supporting grooves (141) distributed in an annular array. A front end cover (11) is provided on the left side of the motor housing (1), and the inner wall of the front end cover (11) is fixedly engaged with the supporting groove (141), and a gap is provided between the inner wall of the front end cover (11) and the motor housing (1). A rear end cover (12) is provided on the right side of the motor housing (1), and an annular groove (121) distributed in an annular array is formed on the rear end cover (12). A shield (13) is provided on the right side of the rear end cover (12), and the rear end cover (12) and the shield (13) are fixedly engaged with the mounting ring (14) on the right side, and a bearing (15) is installed at the center of the front end cover (11), the rear end cover (12) and the shield (13).

3. A heat dissipating motor as claimed in claim 1, characterized in that: The first spiral guide vanes (22) have four groups, and the four groups of first spiral guide vanes (22) are distributed in an annular array on the inner side of the inner flow sleeve (21), the twisting angle of the first spiral guide vanes (22) is 80 degrees to 100 degrees, and the right end of the inner flow sleeve (21) is connected to the bearing (15) on the rear end cover (12).

4. A heat dissipating motor as claimed in claim 3, characterized in that: The air intake mechanism is arranged on the right side of the rear end cover (12), and the air intake mechanism further comprises a fixing sleeve (24), the fixing sleeve (24) being arranged at the center of the fan frame (23) and being sleeve-engaged with the right end of the inner flow sleeve (21), the fan frame (23) being a conical structure, outer fan blades (231) distributed in an annular array are arranged on the right side wall of the fan frame (23) and near the edge, and inner fan blades (241) distributed in an annular array are arranged on the right side wall of the fan frame (23) and near the center, the inner fan blades (241) and the outer fan blades (231) are spaced from each other, and the inner fan blades (241) extend to the inner side of the fixing sleeve (24).

5. The heat dissipating motor according to claim 1, characterized in that: The inner rotor group (3) is provided with a plurality of groups of coil slots (31) symmetrically distributed in a V shape, an inner layer coil (32) is clamped and fixed on the inner side of the coil slots (31), symmetrically distributed trapezoidal slots (311) are provided on adjacent sides of the coil slots (31) and close to the bottom ends, and a plurality of evenly distributed magnetic steel slots (33) are provided on the inner rotor group (3) and between adjacent coil slots (31).

6. The heat dissipating motor according to claim 1, characterized in that: The inner ring of the outer flow sleeve (4) is fixedly connected to the inner rotor group (3), the outer ring of the outer flow sleeve (4) is fixedly connected to the outer rotor group (5), the second spiral guide vanes (41) have eight groups, and the eight groups of second spiral guide vanes (41) are distributed in an annular array on the inner side of the outer flow sleeve (4), and the twist angle of the second spiral guide vanes (41) is 40 degrees to 50 degrees.

7. The heat dissipating motor according to claim 1, characterized in that: T-shaped frames (51) distributed in an annular array are arranged on the outer wall of the outer rotor group (5), cooling fins (52) are arranged between adjacent T-shaped frames (51), dustproof frames (53) are arranged on both left and right sides of the outer rotor group (5), the dustproof frames (53) are fixedly connected to the edge of the inner flow sleeve (21), a dustproof net (531) is arranged on the dustproof frame (53) on a side close to the outer rotor group (5), and a plurality of evenly distributed arc-shaped blades (532) are arranged on the dustproof frame (53) on a side away from the outer rotor group (5).

8. The heat dissipating motor according to claim 1, characterized in that: A coil frame (61) distributed in a ring array is arranged on the inner side of the stator group (6), the liquid cooling mechanism comprises a spiral flow channel (7), the spiral flow channel (7) is in contact with the outer surface of the stator group (6), a water inlet pipe (71) is arranged above the spiral flow channel (7), the left and right sides of the water inlet pipe (71) are respectively connected to the two ends of the spiral flow channel (7), a water outlet pipe (72) is arranged at the top center of the spiral flow channel (7), and a protective cover (73) is installed on the top of the motor housing (1) and on the outside of the water inlet pipe (71).

9. A heat dissipating motor as claimed in claim 8, characterized in that: The heat-conducting sleeve (8) is arranged on the outside of the outer rotor group (5); a plurality of evenly distributed heat-conducting sheets (81) are arranged on the outside of the heat-conducting sleeve (8); the heat-conducting sheets (81) are welded and fixed to the inner wall of the stator group (6); a plurality of groups of flow guide pipes (82) are arranged in an annular array on the outer wall of the heat-conducting sleeve (8); a plurality of evenly distributed connecting pipes (821) are arranged on the flow guide pipes (82); and the ends of the connecting pipes (821) are connected to the spiral flow channel (7).

10. The heat dissipating motor according to claim 1, characterized in that: A plurality of evenly distributed strip edges (842) are provided on the circumferential outer wall of the heat-conducting frame (84), and a plurality of evenly distributed strip grooves (83) are provided on the inner wall of the heat-conducting sleeve (8), wherein the strip edges (842) are snap-fitted with the strip grooves (83).

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