WO2024051157A1 - Power device, propulsor, and water area movable apparatus - Google Patents

Abstract

Embodiments of the present application provides a power device, a propulsor, and a water area movable apparatus. The power device comprises a motor, a rotating assembly, a transmission, and a heat dissipation assembly; the rotating assembly is arranged at one end of the motor; the transmission is arranged at the end of the motor away from the rotating assembly and is used for changing rotating torque output by the motor; the heat dissipation assembly is arranged on the motor and the transmission and is thermally coupled to the transmission and the motor; the heat dissipation assembly is provided with a plurality of heat dissipation slits, the rotating assembly can push a heat conduction medium to flow through the plurality of heat dissipation slits, and heat of the heat dissipation assembly is taken away by means of the heat conduction medium. By means of cooperation between the rotating assembly and the heat dissipation assembly, the rotating assembly pushes the heat conduction medium to flow through the plurality of heat dissipation slits of the heat dissipation assembly for heat exchange, and the heat of the heat dissipation assembly is taken away by means of the heat conduction medium, thereby improving heat dissipation efficiency.

Description

Power units, propellers and movable equipment in water areas Technical field

This application relates to the field of marine equipment, and in particular to a power device, a propeller and a movable equipment in water areas.

Background technique

The power unit generates a large amount of heat when in use. In order to ensure the continuous operation of the power unit, the power unit needs to be dissipated. In existing power units, air cooling and water cooling are commonly used, but the heat dissipation efficiency is not high.

Contents of the invention

In view of this, it is necessary to provide a power unit, a propeller and a water movable device that can improve the heat dissipation efficiency.

Embodiments of the present application provide a power device, including a motor, a rotating component, a transmission, and a heat dissipation component. The rotating component is configured at one end of the motor, and the transmission is configured at an end of the motor facing away from the rotating component. Used to change the speed of the rotational torque output by the motor, the heat dissipation component is disposed on the motor and the transmission, and is thermally coupled with the transmission and the motor. The heat dissipation component has a plurality of heat dissipation slits. The component can push the heat-conducting medium to flow through the plurality of heat-dissipating slits, and take away the heat of the heat-dissipating component through the heat-conducting medium. By cooperating with the rotating component and the heat-dissipating component, the rotating component can push the heat-conducting medium to flow through the plurality of heat dissipating components. The heat dissipation slits perform heat exchange and take away the heat of the heat dissipation components through the heat conduction medium to improve heat dissipation efficiency.

An embodiment of the present application also provides a propeller, including a propeller and a propeller. The propeller is connected to the transmission shaft to receive the rotational torque output by the transmission.

An embodiment of the present application further provides a movable equipment in water areas, including a movable body and the propeller in any of the above embodiments, the power device is configured on the movable body, and the propeller can rotate to push the movable device. The subject moves.

The above-mentioned power units, thrusters and movable equipment in water areas cooperate with the rotating assembly and the heat dissipation assembly. The rotating assembly promotes the heat-conducting medium to flow through the multiple heat-dissipating slits of the heat-dissipating assembly for heat exchange, and takes away the heat of the heat-dissipating assembly through the heat-conducting medium, improving the Heat dissipation efficiency.

Description of the drawings

Figure 1 shows a schematic structural diagram of a power device in some embodiments.

Figure 2 shows a schematic cross-sectional view of a power plant in some embodiments.

Figure 3 shows a schematic cross-sectional view of the power device from another angle in some embodiments.

Figure 4 shows a schematic structural diagram of the first housing in some embodiments.

Figure 5 shows a schematic cross-sectional view of a power device in other embodiments.

Figure 6 shows an exploded schematic diagram of part of the power device in some embodiments.

Figure 7 shows a schematic cross-sectional view of the power device from another angle in some embodiments.

Figure 8 shows a schematic cross-sectional view of the power device from another angle in some embodiments.

Figure 9 shows a partial cross-sectional schematic view of the power device from a top view in some embodiments.

Figure 10 shows a schematic structural diagram of the transmission and internal circulation heat dissipation assembly in some embodiments.

Figure 11 shows a schematic structural diagram of a transmission and a heat pipe in some embodiments.

Figure 12 shows a schematic structural diagram of a heat pipe, a heat pipe bracket and a second heat dissipation fin in some embodiments.

Figure 13 shows a schematic structural diagram of the second housing in some embodiments.

Figure 14 shows an exploded schematic view of the second housing and the inner circulation drive member in some embodiments.

Figure 15 shows a schematic structural diagram of a power device in other embodiments.

Figure 16 shows a schematic exploded view of the power device in other embodiments.

Figure 17 shows a schematic cross-sectional view of a power device in other embodiments.

Figure 18 shows a schematic structural diagram of a propeller and a water area movable device in some embodiments.

Description of main component symbols:
Power unit 100
Motor 10
Stator 11
Rotor 12
axis of rotation 13
First shell 14
First arc surface 141
First plane 142
First protrusion 143
Second protrusion 144
First recess 14a
Rotating components 20
fan 21
Second housing 22
Fan drive 23
Transmission 30
First shell 30a
Second housing 30b
Liquid outlet 30c
Liquid inlet 30d
First cavity 31
First chamber 31a
Second chamber 31b
Third heat sink 301
Fourth heat sink 302
Third return channel 31c
First partition 311
First cavity 311a
First return channel 311b
Second partition 312
Second chamber 312a
Second return channel 312b
First connection part 313
First groove 313a
First through hole 3131
Gear set 32
Power input shaft 33
First seal 33a
First bearing 331
Second bearing 332
PTO shaft 34
Second seal 34a
Third bearing 341
Fourth bearing 342
Housing 35
Fifth heat sink 351
Housing body 352
Housing cover 353
Cooling components 40
Heat dissipation slit 40a
First heat sink 41
Bracket 42
Stand body 42a
Second heat sink 421
First through hole 422
Air deflector 43
First deflector 431
Second deflector 432
First plate 4321
Second plate 4322
Third plate 4323
Internal circulation cooling component 44
Internal circulation pipeline 44a
Input pipe 441
Output Pipe 442
Intermediate duct 443
First cooling fin 44b
First pipe support 44c
Second pipe support 44d
Inner circulation drive 44e
heat pipe 45
Second cooling fin 46
Heat pipe bracket 47
Fitting part 47a
Extension 47b
Groove 471
Third cooling fin 472
Second arc surface 473
drive 50
Cover 51
Extension 511
Drive body 52
Second Containment Chamber 53
Electrical connectors 54
First suspension bracket 60
First shock absorber suspension 61
Second suspension bracket 70
Second shock absorbing suspension 71
Protective cover 80
First Containment Chamber 81
Top plate 82
First side panel 83
Second side panel 84
Heat dissipation hole 85
Thruster 200
propeller 201
Tailshaft 202
Water area mobile equipment 300
Removable body 300a

The following specific embodiments will further illustrate the present application in conjunction with the above-mentioned drawings.

Detailed ways

The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all of the embodiments.

When a component is said to be "located within" another component, it can be directly located on the other component or there may be an intervening component present at the same time. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be an intermediate component present at the same time.

It will be understood that the term "vertical" is used to describe the ideal state between two components. In the actual production or use state, there may be an approximately vertical state between the two components. For example, combined with numerical description, vertical can refer to the angle range between two straight lines between 90°±10°, vertical can also refer to the dihedral angle range of two planes between 90°±10°, vertical It can also refer to the angle between a straight line and a plane within the range of 90°±10°. The two components described as "perpendicular" may not be absolutely straight lines or planes, or may be roughly straight lines or planes. From a macro perspective, the components are considered to be "straight lines" or "planes" if the overall extension direction is straight lines or planes.

Unless otherwise defined, when the term "plurality" is used to describe the number of components, it specifically means that the components are two or more.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing specific embodiments only and is not intended to limit the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

Referring to Figure 1, Figure 2 and Figure 3, an embodiment of the present application provides a power device 100, including Motor 10, rotating assembly 20, transmission 30 and heat dissipation assembly 40. The rotating component 20 is connected to one end of the motor 10 , and the transmission 30 is connected to an end of the motor 10 away from the rotating component 20 for changing the speed of the rotational torque output by the motor 10 . The heat dissipation component 40 connects the motor 10 and the transmission 30 and is thermally coupled with the motor 10 and the transmission 30 . The heat of the motor 10 and the transmission 30 can be transferred to the heat dissipation component 40 . The heat dissipation component 40 is provided with a plurality of heat dissipation slits 40a. The rotating component 20 can push the heat conductive medium to flow through the heat dissipation slits 40a, and take away the heat of the heat dissipation component 40 through the heat conduction medium to dissipate heat from the motor 10 and the transmission 30, thereby improving the heat dissipation efficiency. . Optionally, the heat transfer medium includes refrigerant.

Please refer to FIGS. 2 and 4 . In one embodiment, the motor 10 includes a stator 11 , a rotor 12 and a rotating shaft 13 . The stator 11 is sleeved on the outer circumference of the rotor 12 . The rotating shaft 13 is fixed in the rotor 12 and connected to the transmission 30 . In one embodiment, the motor 10 further includes a first housing 14 , the stator 11 and the rotor 12 are both disposed in the first housing 14 , and part of the rotating shaft 13 is disposed in the first housing 14 . Optionally, one end of the rotating shaft 13 extends out of the first housing 14 and is connected to the transmission 30, and the rotating shaft 13 drives the transmission 30 to move. As shown in Figure 5, optionally, one end of the rotating shaft 13 extends out of the first housing 14 and is connected to the transmission 30, and the other end extends out of the first housing 14 and is connected to the rotating assembly 20. The rotating shaft 13 drives the transmission 30 at the same time. The movement of the rotating assembly 20 reduces the use of components and the space occupied, and improves space utilization. Of course, in other embodiments, the rotating shaft 13 can also be located in the first housing 14, and the rotating shaft 13 can be connected to the transmission 30 via a coupling and a transmission shaft. The rotating shaft 13 can also be connected to the rotating shaft via a coupling and a transmission shaft. Component 20 is connected.

In one embodiment, the first housing 14 is provided with a first recess 14 a , the first recess 14 a extends along the axial direction of the rotation shaft 13 , and a portion of the heat dissipation component 40 is disposed in the first recess 14 a to reduce the size of the heat dissipation component 40 occupied space, further improving space utilization.

In one embodiment, the heat dissipation assembly 40 includes a plurality of first heat dissipation fins 41. The plurality of first heat dissipation fins 41 are spaced on the outer periphery of the motor 10, and the plurality of first heat dissipation fins 41 are thermally coupled with the motor 10. The adjacent ones are Partial heat dissipation slits 40a are formed between the first heat dissipation fins 41, and the heat conductive medium flows through the heat dissipation slits 40a between adjacent first heat dissipation fins 41 to take away the heat on the first heat dissipation fins 41. Optionally, a plurality of first heat sinks 41 are spaced on the outer periphery of the first housing 14 and are thermally coupled with the first housing 14 . A plurality of first heat dissipation fins 41 grow from the surface of the first housing 14 .

It can be understood that the way in which the heat dissipation component is thermally coupled to the transmission and the motor can be that the heat dissipation component is in direct contact with the transmission and the motor, or it can be in contact with the transmission and the motor through a heat conductive medium.

The motor 10, the transmission 30 and the heat dissipation component 40 are all located on the flow path of the heat-conducting medium pushed by the rotating component 20. When the power device 100 is in use, the heat of the motor 10 is transferred to the parts connected to the motor 10. On the heat dissipation assembly 40, the heat of the transmission 30 is transferred to the heat dissipation assembly 40 connected to the transmission 30. The heat transfer medium pushed by the rotating assembly 20 first passes through the position of the motor 10, and the heat transfer medium passes through the heat dissipation assembly 40 connected to the motor 10. The heat dissipation slit 40a takes away the heat of the part of the heat dissipation component 40 connected to the motor 10 through the heat transfer medium. Then the heat transfer medium passes through the position of the transmission 30. The heat transfer medium passes through the heat dissipation slit 40a of the part of the heat dissipation component 40 connected to the transmission 30. The heat-conducting medium takes away heat from part of the heat dissipation component 40 connected to the transmission 30, thereby dissipating heat to the motor 10 and the transmission 30, thereby improving the heat dissipation efficiency of the motor 10 and the transmission 30.

Please refer to Figures 3 and 4. In one embodiment, the power device 100 further includes a driver 50, and the heat dissipation assembly 40 further includes a bracket 42. The bracket 42 is fixed to the motor 10, and the driver 50 is fixed to the side of the bracket 42 facing away from the motor 10. The driver 50 is electrically connected to the motor 10 and used to control the movement of the motor 10 . There is a gap between the bracket 42 and the motor 10 , and the heat-conducting medium pushed by the rotating assembly 20 can also pass through the gap between the bracket 42 and the motor 10 to take away part of the heat from the motor 10 and the driver 50 . Optionally, the first housing 14 includes a first arc surface 141 and a first plane 142 connected to the first arc surface 141. A plurality of first heat sinks 41 are spaced on the first arc surface 141, and the bracket 42 is fixed. Connected to the first plane 142, the first arcuate surface 141 can increase the number of first heat sinks 41. Providing the bracket 42 on the first plane 142 can increase the stability of the bracket 42 being fixed to the first housing 14.

In the embodiment of the present application, the driver 50 includes but is not limited to a circuit board, a controller and other structures, and can be integrated in the motor 10 and used to drive the motor 10 to start or stop, or adjust the speed, rotation direction, etc. of the motor 10 . In addition to the controller that controls the operation of the motor 10, the driver 50 also includes a driving management controller. The driving management controller can be used to control the driving posture of the movable equipment in the water area, and can also be used to control the power management system of the movable equipment in the water area. The speed change used to control the power unit 100 can be used to interact with other modules on the movable equipment in the water area. The embodiments of the present application are not limited to the manner in which the driver 50 includes the above-mentioned controller. Any electronic control terminal module that can realize driving and information interaction functions and is integrated into the motor can be an embodiment of the present application.

In one embodiment, the bracket 42 is provided with a plurality of second heat dissipation fins 421 arranged at intervals on one side facing the first housing 14. Partial heat dissipation slits 40a are formed between adjacent second heat dissipation fins 421, and the driver 50 is fixed. On the side of the bracket 42 away from the second heat sink 421 . The driver 50 is in contact with the bracket 42. The bracket 42 can absorb the heat of the driver 50. The second heat sink 421 grows from the surface of the bracket 42. The heat of the bracket 42 can be brought out by contacting the surface of the second heat sink 421 with the flowing heat-conducting medium. Walk. The heat-conducting medium pushed by the rotating assembly 20 flows through the heat dissipation slits 40a between adjacent second heat dissipation fins 421, and takes away the second heat dissipation fins 421. The heat on the drive 50 can be dissipated.

Optionally, the bracket 42 includes a bracket main body 42a. A plurality of second heat sinks 421 are arranged at intervals on a side of the bracket main body 42a opposite the first housing 14. The side of the bracket main body 42a facing away from the first housing 14 is arranged in a planar structure. , to facilitate installation of driver 50.

Please refer to FIGS. 1 and 6 . In one embodiment, the heat dissipation assembly 40 further includes a flow guide 43 . The flow guide 43 is provided on the outer periphery of part of the motor 10 and is spliced with the driver 50 . There are gaps between the air guide cover 43 and the motor 10, the driver 50 and the bracket 42. The air guide cover 43 can guide the heat-conducting medium pushed by the rotating assembly 20 to the gap and flow through the gap, so that the heat-conducting medium can be in the gap. The heat absorbed by the motor 10, the driver 50 and the bracket 42 is quickly absorbed and conducted away, thereby improving the heat dissipation efficiency. In one embodiment, the air guide 43 has an arc-shaped structure for matching with part of the first arc surface 141 of the first housing 14 to reduce the gap between the air guide 43 and the first housing 14. This can increase the flow rate of the heat-conducting medium in the gap and further improve the heat dissipation efficiency. The area of the air deflector 43 that matches part of the first arc surface 141 is away from the driver 50, so as to reduce the overall volume of the power device 100.

Optionally, the air guide 43 includes a first air guide 431 and a second air guide 432. The first air guide 431 surrounds part of the outer periphery of the first housing 14, and the second air guide 432 is connected with the first air guide 432. The flow plate 431 is spliced and connected to the driver 50 . Specifically, the second guide plate 432 is connected to both sides of the first guide plate 431, and the first guide plate 431 is surrounded by part of the outer periphery of the first housing 14, and one of the second guide plates 432 is away from the first guide plate 431. One end of the flow plate 431 is connected to one end of the driver 50 , and an end of the other second flow guide plate 432 away from the first flow guide plate 431 is connected to the other end of the driver 50 . Optionally, the air guide 43 includes a first air guide 431 and a second air guide 432. The first air guide 431 is surrounded by part of the outer periphery of the first housing 14, and both ends of the first air guide 431 are A second guide plate 432 is connected. One end of the second guide plate 432 away from the first guide plate 431 is connected to one end of the bracket 42 , and the other end of the second guide plate 432 away from the first guide plate 431 is connected to The other end of bracket 42. By arranging the air deflector 43 in multiple parts that are detachably arranged, installation and disassembly are facilitated.

Please refer to Figures 15 and 16 together. In another embodiment, the air guide 43 includes a first air guide 431 and two second air guides 432. The two second air guides 432 are respectively connected to the bracket. 42 on both sides, the first guide plate 431 surrounds part of the outer periphery of the first housing 14 , and the first guide plate 431 and the second guide plate 432 respectively form a gap with the first housing 14 to facilitate the rotation of the rotating assembly 20 The advancing heat-conducting medium is guided to the gap, thereby facilitating contact between the first heat sink 41 located in the gap and the heat-conducting medium. Both sides of the first guide plate 431 are spaced apart from the second guide plate 432 so as to be positioned between the first guide plate 431 and the second guide plate 432 . The first heat sink 41 between the flow plates 432 is directly exposed to the external environment and performs heat exchange with the external environment.

It can be understood that the number of first heat sinks 41 located in the gap formed by the first guide plate 431 and the second guide plate 432 and the first housing 14, and the number of first heat sinks 41 located in the gap formed by the first guide plate 431 and the second guide plate 432 The number of first heat sinks 41 between the flow plates 432 can be set in a proportional relationship to adapt to different heat dissipation requirements.

Specifically, the first housing 14 is provided with a first protruding portion 143 and two second protruding portions 144. The first protruding portion 143 is located on a side of the first housing 14 away from the driver 50, and the two second protruding portions 144 are located on the side of the first housing 14 away from the driver 50. The extending portions 144 are spaced apart from both sides of the first extending portion 143 . The first protruding portion 143 and the two second protruding portions 144 respectively extend along the axial direction of the power input shaft 33 to enhance the structural strength of the first housing 14 . The first guide plate 431 is located on the side of the first housing 14 away from the driver 50 and is fixedly connected to the first protruding portion 143. The first guide plate 431 has an arc-shaped structure, and the arc-shaped structure is away from the first housing 14. Part of the first arcuate surface 141 of the driver 50 matches. One end of the second guide plate 432 is fixedly connected to the bracket 42 , and the other end is fixedly connected to the corresponding second protruding portion 144 to improve the connection strength between the second guide plate 432 and the first housing 14 . It can be understood that the second deflector 432 is also provided with an escape opening for avoiding other structural components (such as a suspension mechanism) on the second protruding portion 144 to facilitate the integration of the deflector 43 into the first housing. 14.

Optionally, the first guide plate 431 and the first protruding portion 143, and the second guide plate 432 and the corresponding second protruding portion 144 can be locked by screws, pins, buckle structures, or threads. The structure is fastened and can be quickly disassembled for maintenance.

Please refer to FIG. 5 . In one embodiment, the rotating component 20 includes a fan 21 and a second housing 22 . The second housing 22 is connected to the motor 10 , and the fan 21 is rotatably installed in the second housing 22 . Optionally, the second housing 22 is fixedly connected to the end of the first housing 14 facing away from the transmission 30, and the rotating shaft 13 is connected to the fan 21 through a coupling and a transmission shaft. The fan 21 is protected by the second housing 22, and the fan 21 is protected by the second housing 22. The coupling and the transmission shaft enable the rotating shaft 13 to drive the fan 21 to rotate, and guide the wind from the fan 21 from the second housing 22 to the air deflector 43 . Optionally, the second housing 22 is connected to the airflow guide 43 through a side of the second housing 22 close to the airflow guide 43 being fixedly connected to the first airflow guide plate 431 and the second airflow guide plate 432 .

In one embodiment, it is roughly the same as the embodiment of FIG. 5 . The difference is that based on the embodiment of FIG. 5 , the fan 21 is disconnected from the rotating shaft 13 , and the fan 21 is driven to rotate by the fan driving member 23 . Specifically, please refer to Figures 2 and 3. The rotating assembly 20 includes a fan 21, a second housing 22 and a fan driving member 23. The second housing 22 is connected to the motor 10, and the fan driving member 23 is located in the second housing 22. And connected to the fan 21 for driving the fan 21 to rotate. By providing the fan driving member 23, the fan 21 can be driven to rotate independently, which facilitates adjustment of the rotation of the fan 21 and achieves different degrees of heat dissipation. Optional, fan driver 23 It includes a driving motor, which is electrically connected to a driver 50, and the driver 50 controls the rotation of the driving motor, thereby driving the fan 21 to rotate.

Please refer to FIG. 2 , FIG. 3 and FIG. 7 . In one embodiment, the transmission 30 is provided with a first cavity 31 and a gear set 32 . The gear set 32 is disposed in the first cavity 31 . The first cavity 31 is provided with coolant, and the gear set 32 is thermally coupled to the coolant. The gear set 32 is connected to the motor 10, and the motor 10 drives the gear set 32 to rotate. The coolant immerses at least part of the gear set 32 to achieve thermal coupling between the gear set 32 and the coolant, lubricate the gear set 32 and absorb the heat of the transmission 30 , and the coolant is dispersed between the first cavity 31 and the first cavity through the heat dissipation assembly 40 Circular flow occurs outside the cavity 31, thereby dissipating the heat of the transmission 30 and dissipating heat to the coolant. Optionally, the coolant includes lubricating oil.

Optionally, the transmission 30 also includes a power input shaft 33 and a power output shaft 34. The power input shaft 33 and the power output shaft 34 are provided separately, and the gear set 32 is connected between the power input shaft 33 and the power output shaft 34. The power input shaft 33 is rotatably disposed in the first cavity 31. The power input shaft 33 is axially connected with the rotation shaft 13. The power output shaft 34 is rotatably disposed in the first cavity 31, and one end of the power output shaft 34 extends out of the first cavity 31. The cavity 31 is used to output power. The rotating shaft 13 drives the power input shaft 33 to rotate, the power input shaft 33 drives the gear set 32 to rotate, the gear set 32 drives the power output shaft 34 to rotate, and then power is output through the power output shaft 34 . Optionally, the power input shaft 33 is connected to a first bearing 331 and a second bearing 332, which are fixed to the first cavity 31, and the power output shaft 34 is connected to a third bearing 341 and a fourth bearing. The bearing 342 , the third bearing 341 and the fourth bearing 342 are fixed in the first cavity 31 .

In one embodiment, a first seal 33a is disposed between the power input shaft 33 and the inner wall of the first cavity 31. The first seal 33a contacts and connects the power input shaft 33 with the inner wall of the first cavity 31. The coolant is prevented from leaking from the place where the power input shaft 33 protrudes from the first cavity 31 . Optionally, the rotating shaft 13 is sleeved on the outer periphery of the power input shaft 33 , and a first seal 33 a is provided between the rotating shaft 13 and the inner wall of the first cavity 31 . Optionally, the first seal 33a includes an oil seal.

In one embodiment, a second seal 34a is disposed between the power output shaft 34 and the inner wall of the first cavity 31. The second seal 34a contacts and connects the power output shaft 34 with the inner wall of the first cavity 31. To prevent the coolant from leaking from the place where the power output shaft 34 extends out of the first cavity 31 . Optionally, the second seal 34a includes an oil seal.

In one embodiment, the first cavity 31 includes a first cavity 31a and a second cavity 31b, and the first cavity 31a communicates with the second cavity 31b. When the motor 10 drives the gear set 32 to rotate, the gear set 32 can stir the Part of the coolant in the first chamber 31a causes part of the coolant to flow into the second chamber 31b, thereby reducing the capacity of the working coolant, reducing oil churning losses, and reducing heating power. The coolant in the second chamber 31b can flow back into the first chamber 31a to lubricate the gear set 32 and reduce the heating power.

In one embodiment, the first cavity 31 is provided with a first partition 311 and a second partition 312. The first partition 311 and the inner wall of the first cavity 31 are enclosed to form a first cavity 311a. A first return channel 311b is provided between the cavity 311a and the first chamber 31a. Part of the cooling liquid in the first chamber 31a stirred by the gear set 32 enters the first chamber 311a and flows back to the first chamber 31a from the first return channel 311b. The second partition 312 and the inner wall of the first cavity 31 are enclosed to form a second cavity 312a. A second return channel 312b is provided between the second cavity 312a and the first cavity 31a. Part of the cooling liquid in the first chamber 31a stirred by the gear set 32 enters the second chamber 312a, and flows back to the first chamber 31a from the second return channel 312b. The first cavity 311a and the second cavity 312a together form a second chamber 31b.

Please refer to Figures 7, 8 and 9. In one embodiment, a third return channel 31c is also provided in the first cavity 31, and the third return channel 31c communicates with the second chamber 31b and the first chamber 31a. Part of the cooling liquid in the second chamber 31b can flow back to the first chamber 31a through the third return channel 31c. Optionally, both the first cavity 311a and the second cavity 312a are connected with a third return channel 31c.

Optionally, the transmission 30 includes a first housing 30a and a second housing 30b. The second housing 30b is connected to the first housing 14. The first housing 30a and the second housing 30b are connected along the axial direction of the power input shaft 33 to form a third housing. A chamber 31a and a second chamber 31b. The power output shaft 34 partially extends out of the first housing 30a to output power, and the power input shaft 33 partially extends out of the second housing 30b to connect the rotating shaft 13. The second chamber 31b is partially provided in the first housing 30a. The second housing 30b is provided with a third return channel 31c. Part of the cooling liquid in the second chamber 31b can flow back to the first chamber 31a through the third return channel 31c. Optionally, one end of the third return channel 31c is connected to the second chamber 31b, and the other end extends between the second bearing 332 and the first seal 33a and is connected to the first chamber 31a and the part in the second chamber 31b. The coolant can flow back to between the second bearing 332 and the first seal 33a through the third return channel 31c to clean the second bearing 332, the first seal 33a and the connection between the rotating shaft 13 and the power input shaft 33. lubrication, thereby solving the problem of difficulty in lubricating the high-position components of the transmission 30 .

In one embodiment, the first cavity 31 is also provided with a first connection part 313 , and the first connection part 313 connects the first partition 311 and the second partition 312 . The first partition 311 , the second partition 312 and the first connection part 313 are enclosed with the inner wall of the first cavity 31 to form the second cavity 31 b. The first connecting part 313 is provided with a first groove 313a for receiving part of the cooling liquid stirred by the gear set 32. The bottom surface of the first groove 313a is provided with a first groove 313a. A through hole 3131 is connected to the first chamber 31a, allowing the cooling liquid in the first groove 313a to flow back to the first chamber 31a through the first through hole 3131. By providing the first groove 313a, the capacity of the second chamber 31b can be increased, allowing more cooling liquid to enter the second chamber 31b, and the first groove 313a is located above the first bearing 331, from the first The coolant flowing back in the groove 313a can lubricate the first bearing 331, thereby solving the problem of difficulty in lubricating high-position components of the transmission 30.

When the gear set 32 rotates, part of the cooling liquid enters the first cavity 311a from the first chamber 31a, the second cavity 312a and the first groove 313a. The cooling liquid in the first cavity 311a flows from the first return channel 311b and the third return channel 31c return to the first chamber 31a, and the cooling liquid in the second chamber 312a returns to the first chamber 31a and the first groove 313a from the second return channel 312b and the third return channel 31c. The coolant flows back from the first through hole 3131 to the first chamber 31a. As the gear set 32 continues to rotate, while part of the coolant flows back, part of the coolant re-enters the first cavity from the first chamber 31a. 311a, the second cavity 312a and the first groove 313a, so the oil churning loss will not increase.

Please refer to Figures 1 and 2. In one embodiment, the second housing 30b is provided with a plurality of third heat sinks 301. The plurality of third heat sinks 301 are spaced on a side of the second housing 30b away from the first housing 30a. , and the third heat sink 301 extends along the radial direction of some gears of the gear set 32 . Partial heat dissipation slits 40a are formed between adjacent third heat dissipation fins 301, and the wind from the fan 21 is guided from the second housing 22 to the air guide 43, and passes through the heat dissipation slits between the adjacent third heat dissipation fins 301. 40a passes through, taking away the heat on the third heat sink 301 and improving the heat dissipation efficiency.

In one embodiment, the first housing 30a is provided with a plurality of fourth heat sinks 302. The plurality of fourth heat sinks 302 are spaced on a side of the first housing 30a away from the second housing 30b, and the fourth heat sinks 302 are arranged along the Some of the gears of gear set 32 extend radially. The fourth heat sink 302 performs heat exchange with the external environment, taking away the heat on the fourth heat sink 302 and further improving the heat dissipation efficiency.

Please refer to FIGS. 6 and 10 . In one embodiment, the heat dissipation assembly 40 further includes an internal circulation heat dissipation assembly 44 . The internal circulation heat dissipation assembly 44 includes an internal circulation pipe 44 a . The internal circulation pipe 44 a is connected to the transmission 30 and is used to conduct heat of the transmission 30 heat. Optionally, the internal circulation pipe 44a is connected to the first cavity 31 and is used to circulate the cooling liquid in the first cavity 31 to dissipate heat of the cooling liquid.

In one embodiment, the internal circulation heat dissipation component 44 further includes a plurality of first heat dissipation fins 44b. The plurality of first heat dissipation fins 44b are spaced on the outer periphery of the internal circulation pipe 44a. The adjacent first heat dissipation fins 44b are spaced apart from each other. Partial heat dissipation slits 40a are formed therebetween. The internal circulation pipe 44a conducts the heat of the transmission 30 to the plurality of first heat dissipation fins 44b, and the wind passing through the fan 21 passes through the heat dissipation slits between adjacent first heat dissipation fins 44b. The passage of the slit 40a takes away the heat on the first heat dissipation fin 44b and improves the heat dissipation efficiency.

In one embodiment, the internal circulation pipeline 44a includes an input pipeline 441, an output pipeline 442 and an intermediate pipeline 443. Optionally, a plurality of first heat dissipation fins 44b can also be provided on the outer periphery of any one of the input pipe 441, the output pipe 442, and the intermediate pipe 443. Optionally, a plurality of first heat dissipation fins 44b may be provided on the outer periphery of the input pipe 441 and the output pipe 442. Optionally, a plurality of first heat dissipation fins 44b can also be provided on the outer periphery of the input pipe 441, the output pipe 442 and the intermediate pipe 443. One end of the input pipe 441 is connected to the first cavity 31 and the other end is connected to the intermediate pipe 443 . One end of the output pipe 442 is connected to the first cavity 31 and the other end is connected to the intermediate pipe 443 . The cooling liquid in the first cavity 31 flows out from the output pipe 442, enters the pipe 441 through the flow channel of the intermediate pipe 443, and then flows back into the first cavity 31 through the input pipe 441, thereby realizing circulation. The input pipe 441 and the output pipe 442 are provided on opposite sides of the motor 10 , and the intermediate pipe 443 is provided at the connection between the motor 10 and the rotating assembly 20 . Further, the input duct 441 and the output duct 442 are provided on opposite sides of the first housing 14 , and the intermediate duct 443 is provided between the first casing 14 and the fan 21 , so that the input duct 441 , the output duct 442 and the intermediate duct 443 Surrounding the outer periphery of the first housing 14, the length of the internal circulation pipe 44a is increased, thereby increasing the heat dissipation stroke, effectively improving the heat dissipation efficiency, and eliminating the space required by the traditional cooling device, reducing the volume and improving space utilization. Rate.

In one embodiment, the internal circulation heat dissipation assembly 44 further includes a first pipe bracket 44c, and the first pipe bracket 44c is fixed to the motor 10. Optionally, the first pipe bracket 44c is disposed in the first recess 14a, thereby reducing the space occupied by the first pipe bracket 44c and improving space utilization. The first pipe bracket 44c is provided with a first pipe hole. The first pipe bracket 44c is provided between the input pipe 441 and the intermediate pipe 443. The input pipe 441 and the intermediate pipe 443 are connected to the first pipe hole. A plurality of first heat dissipation fins 44b Spaces are provided on the outer periphery of the first pipe support 44c and extend along the radial direction of the input pipe 441. By arranging the first pipe bracket 44c, the heat dissipation area of the first heat dissipation fin 44b is increased and the heat dissipation efficiency is improved.

In one embodiment, the internal circulation heat dissipation assembly 44 further includes a second pipe bracket 44d, and the second pipe bracket 44d is fixed to the motor 10. Optionally, the second pipe bracket 44d is disposed in another first recess 14a, which reduces the space occupied by the second pipe bracket 44d and further improves space utilization. The second pipe bracket 44d is provided with a second pipe hole. The second pipe bracket 44d is provided between the output pipe 442 and the intermediate pipe 443. The output pipe 442 and the intermediate pipe 443 are connected to the second pipe hole. A plurality of first heat dissipation fins 44b The intervals are provided on the outer periphery of the second pipe bracket 44d and extend along the radial direction of the output pipe 442. By providing the second pipe bracket 44d, the heat dissipation area of the first heat dissipation fins 44b is increased and the heat dissipation efficiency is improved.

Please refer to Figures 10, 11 and 12. In one embodiment, the transmission 30 is provided with a liquid outlet 30c and a liquid inlet 30d, and the internal circulation pipe 44a is connected to the first cavity through the liquid outlet 30c and the liquid inlet 30d. 31. Optionally, the second housing 30b is provided with a liquid outlet 30c and a liquid inlet 30d. The input pipe 441 is connected to the liquid inlet 30d, and the output pipe 442 is connected to the liquid outlet 30c. The cooling liquid in the first cavity 31 flows from the liquid outlet. The outlet 30c enters the output pipe 442, and enters the first cavity 31 from the liquid inlet 30d through the intermediate pipe 443 and the input pipe 441, thereby circulating heat, and the air blown by the fan 21 interacts with the first heat dissipation fins 44b and the inner The heat on the circulation pipe 44a, the first pipe bracket 44c and the second pipe bracket 44d is heat exchanged to improve the heat dissipation efficiency.

In one embodiment, the vertical distance between the center of the liquid outlet 30c and the bottom surface of the first cavity 31 is less than the vertical distance between the center of the liquid inlet 30d and the bottom surface of the first cavity 31, and during the cooling liquid circulation process , so that the coolant floods the liquid outlet 30c, so that the coolant can circulate from the lower liquid outlet 30c into the internal circulation pipe 44a, the first pipe bracket 44c and the second pipe bracket 44d, and pass through the flooded liquid outlet 30c This reduces the occurrence of air entering the internal circulation pipe 44a, the first pipe bracket 44c and the second pipe bracket 44d from the liquid outlet 30c and affecting the coolant circulation.

In one embodiment, the internal circulation heat dissipation assembly 44 also includes an internal circulation driving component 44e. The internal circulation driving component 44e is disposed in the first chamber 31a and connected to the end of the power output shaft 34, and is driven by the rotation of the power output shaft 34. The internal circulation driving member 44e moves, causing the coolant to enter the internal circulation pipe 44a, the first pipe bracket 44c and the second pipe bracket 44d from the liquid outlet 30c, and flow back into the first cavity 31 from the liquid inlet 30d, and then flow back into the first cavity 31 from the liquid inlet 30d. The coolant is circulated in the internal circulation pipe 44a, the first pipe bracket 44c, and the second pipe bracket 44d.

In one embodiment, the vertical distance between the liquid inlet 30d and the power output shaft 34 is smaller than the vertical distance between the liquid outlet 30c and the power output shaft 34, and the liquid inlet 30d is disposed on the inner circulation driving member 44e toward the power In the area between one side of the output shaft 34 and the power output shaft 34, by arranging the liquid inlet 30d close to the power output shaft 34, it is convenient for the coolant to quickly return to the position of the power output shaft 34 for cooling after cooling. and lubrication.

Referring to FIGS. 1 , 13 and 14 , in one embodiment, the heat dissipation assembly 40 further includes a heat pipe 45 . The heat pipe 45 is thermally coupled to the transmission 30 , and the transmission 30 is dissipated through the heat pipe 45 . Optionally, a plurality of heat pipes 45 are provided. The plurality of heat pipes 45 are connected to the second housing 30b and are arranged side by side. The arrangement direction of the plurality of heat pipes 45 is perpendicular to the axial direction of the power input shaft 33 and the power output shaft 34 . Adjacent heat pipes 45 are spaced apart, and the heat transfer medium pushed by the fan 21 can flow between the adjacent heat pipes 45 to take away the heat pipes. 45% of the heat, improving heat dissipation efficiency.

In one embodiment, the heat dissipation assembly 40 further includes a plurality of second heat dissipation fins 46. The plurality of second heat dissipation fins 46 are in contact with the heat pipe 45. The adjacent second heat dissipation fins 46 are spaced apart to form partial heat dissipation. The heat conductive medium pushed by the fan 21 can flow through the heat dissipation slits 40a between the adjacent second heat dissipation fins 46 to take away the heat on the second heat dissipation fins 46. By setting the second heat dissipation fins Chip 46 increases the heat dissipation area and further improves heat dissipation efficiency.

In one embodiment, a plurality of second heat dissipation fins 46 are stacked at intervals along the length direction of the heat pipe 45. Each heat pipe is connected with a plurality of second heat dissipation fins 46, and each second heat dissipation fin 46 provides a plurality of second heat dissipation fins 46. The heat pipes are connected through each other to increase the contact area between the second heat dissipation fins 46 and the heat pipe 45 and the heat dissipation area of the second heat dissipation fins 46 to further improve the heat dissipation efficiency.

In one embodiment, the heat dissipation assembly 40 further includes a heat pipe bracket 47 , the heat pipe bracket 47 is in contact with the transmission 30 , and a plurality of heat pipes 45 are fixed to the heat pipe bracket 47 . Optionally, the heat pipe bracket 47 is in contact with the second shell 30b. A plurality of embedding grooves 471 are provided on the side of the heat pipe bracket 47 away from the second shell 30b. The plurality of heat pipes 45 are correspondingly embedded in the plurality of embedding grooves 471.

In one embodiment, the heat pipe bracket 47 includes a fitting portion 47a and an extension portion 47b. The fitting portion 47a fits the second housing 30b, and the extension portion is connected to the fitting portion 47a. A plurality of inserting grooves 471 are provided on the side of the fitting portion 47a and the extending portion 47b away from the second housing 30b. A plurality of third heat dissipation fins 472 are provided on the side of the extension portion 47b facing the second housing 30b. Adjacent third heat dissipation fins 472 are spaced apart to form partial heat dissipation slits 40a. The heat conductive medium pushed by the fan 21 can pass through the adjacent third heat dissipation fins 472. The heat dissipation slits 40a between adjacent third heat dissipation fins 472 flow through to take away the heat on the third heat dissipation fins 472. Optionally, two extension parts 47b are provided, and the two extension parts 47b connect both sides of the fitting part 47a, which can increase the area where the heat pipes 45 are arranged, thereby increasing the number of heat pipes 45 and the area of the second heat dissipation fins 46. to improve heat dissipation efficiency.

In one embodiment, the fitting portion 47a is provided with a second arc surface 473, and the second arc surface 473 fits the second shell 30b, which can increase the contact area between the fitting portion 47a and the second shell 30b, thereby increasing heat dissipation. area to further improve heat dissipation efficiency.

Please refer to FIGS. 15 to 17 together. In one embodiment, it is roughly the same as the embodiment of FIGS. 1 to 14 . The difference is that the heat dissipation component 40 eliminates the internal circulation heat dissipation component 44 , the heat pipe 45 , and the second heat dissipation fin. 46 and heat pipe bracket 47 to simplify the structure of the heat dissipation assembly 40. The transmission 30 includes a housing 35 and a gear set 32. The housing 35 and the motor 10 define a first cavity 31. The gear set 32 is received in the first cavity 31. The first cavity 31 is used to contain coolant. The gear set 32 and The electric motor 10 is connected and thermally coupled to the coolant. Correspondingly, the position where the first recess 14a is disposed on the first housing 14 is replaced by the first heat dissipation fin 41 to increase the heat dissipation area of the first heat dissipation fin 41 . It can be understood that the transmission mode of the gear set 32 and the circulation mode of the coolant in the first cavity 31 can be similar to the above embodiment.

The housing 35 is provided with a fifth heat dissipation fin 351 that extends along the radial direction of some gears of the gear set 32 , and a partial heat dissipation slit 40 a is formed between adjacent fifth heat dissipation fins 351 . At least part of the heat dissipation slits 40a of the fifth heat sink 351 are connected to the air guide cover 43. The wind from the fan 21 is guided from the air guide cover 43 to the fifth heat sink 351, and passes through the heat dissipation slots between adjacent fifth heat sink fins 351. The passage of the slit 40a takes away the heat on the fifth heat sink 351 and improves the heat dissipation efficiency.

Specifically, the housing 35 includes a housing body 352 and a housing cover 353 . The housing body 352 is connected to the first housing 14 . The housing cover 353 is sealingly connected to the opening of the housing body 352 away from the first housing 14 to form the first cavity 31 . The fifth heat dissipation fins 351 are spaced apart on the peripheral side of the housing main body 352. Optionally, at the portion of the housing main body 352 adjacent to the first deflector 431, the fifth heat dissipation fins 351 are spaced apart on a side of the housing main body 352 away from the housing cover 353. side to facilitate communication with the air deflector 43. In the portion of the housing main body 352 adjacent to the second deflector 432, fifth heat sinks 351 are spaced apart from the side of the housing main body 352 facing the housing cover 353 to be directly exposed to the external environment and perform heat exchange with the external environment.

Please refer to Figure 8. In one embodiment, the power device 100 further includes two first suspension brackets 60 and two second suspension brackets 70. The two first suspension brackets 60 are fixed on one side of the motor 10. Two second suspension brackets 70 are fixed on the other side of the motor 10 , and the two first suspension brackets 60 and the two second suspension brackets 70 are arranged oppositely. Each first suspension bracket 60 is provided with a first shock-absorbing suspension 61, and each second suspension bracket 70 is provided with a second shock-absorbing suspension 71, which are used for cushioning and shock-absorbing the power device 100 and increasing the number of power devices. 100% stability. Optionally, two first suspension brackets 60 are fixed on the first housing 14 , and two second suspension brackets 70 are fixed on the first housing 14 . Optionally, two first suspension brackets 60 are fixed on the air guide 43 , and two second suspension brackets 70 are fixed on the air guide 43 .

In one embodiment, two first suspension brackets 60 are arranged along the axial direction of the output shaft of the motor 10 , and two second suspension brackets 70 are arranged along the axial direction of the output shaft of the motor 10 . Optionally, two first suspension brackets 60 are arranged along the axial direction of the power input shaft 33 and the power output shaft 34 , and two second suspension brackets 70 are arranged along the axial direction of the power input shaft 33 and the power output shaft 34 . set up.

Please refer to Figures 15 to 17 together. In one embodiment, the power device 100 further includes a protective cover 80. The protective cover 80 surrounds the outer periphery of the bracket 42 and defines a first receiving cavity 81 with the bracket 42. The protective cover 80 and The second guide plates 432 are spliced together, and the driver 50 is disposed in the first receiving cavity 81 to carry out maintenance on the driver 50. Perform protection. Specifically, the protective cover 80 includes a top plate 82 , two first side plates 83 and two second side plates 84 . The top plate 82 is provided on a side of the driver 50 away from the bracket 42 . Two first side plates 83 are arranged on both sides of the top plate 82 at intervals along the axial direction of the power input shaft 33 . One of the first side plates 83 extends toward the rotating component 20 and covers at least part of the rotating component 20 to protect the rotating component 20 . The other one The first side plate 83 extends toward the transmission 30 and covers at least part of the transmission 30 to protect the transmission 30 . The two second side plates 84 are connected to both sides of the top plate 82 , and each second side plate 84 is connected to two first side plates 83 on both sides. Each second side plate 84 is also connected to the second guide plate 432 to support the protective cover 80 .

In one embodiment, the second guide plate 432 includes a first plate 4321 , a second plate 4322 and a third plate 4323 . The first plate 4321 is connected to the bracket 42 . In the axial direction of the power input shaft 33 , one end of the first plate 4321 is substantially flush with the rotating assembly 20 , and the other end is substantially flush with the transmission 30 . The second plate member 4322 is connected to the end of the bracket 42 close to the rotating assembly 20 and is bent relative to the first plate member 4321 . The end of the second plate member 4322 away from the first plate member 4321 is spliced with the second side plate 84 . The third plate 4323 is connected to an end of the bracket 42 close to the transmission 30 and extends outward along the axial direction of the power input shaft 33 so that the third plate 4323 is located between the transmission 30 and the first side plate 83 . The end of 4323 away from the first plate member 4321 is also spliced with the second side plate 84 . Both ends of the second side plate 84 are spliced to the second plate member 4322 and the third plate member 4323 respectively to improve the structural stability of the second side plate 84 and thereby improve the structural stability of the protective cover 80 .

In one embodiment, the protective cover 80 is provided with a plurality of heat dissipation holes 85 connected to the first receiving cavity 81 to facilitate heat dissipation of the driver 50 . Specifically, the distance between the second side plate 84 and the driver 50 is smaller than the distance between the first side plate 83 and the driver 50 , and the heat dissipation holes 85 are provided in the second side plate 84 to reduce the heat dissipated by the driver 50 from being transmitted to The transmission path of the heat dissipation holes 85 further improves the heat dissipation efficiency. Optionally, the opposite sides of the edges of two adjacent heat dissipation holes 85 are parallel to each other, so that the heat dissipation holes 85 are arranged on the second side plate 84 .

In one embodiment, the driver 50 includes a cover 51 and a driving body 52. The cover 51 is connected to the bracket 42 and defines a second receiving cavity 53 with the bracket 42. The driving body 52 is disposed in the second receiving cavity 53 and is electrically connected. The motor 10 and the cover 51 are also in contact with the inside of the protective cover 80 to further improve the structural stability of the protective cover 80 . Specifically, an extension portion 511 is provided on the side of the cover 51 away from the bracket 42 . The extension portion 511 extends toward the first side plate 83 covering the transmission 30 . Both ends of the extension portion 511 are respectively abutted and fixed to the second side plate 84 .

It can be understood that the present application is not limited to two ends of the extension part 511 respectively abutting and fixed on the second side. The embodiment of the plate 84 and the structural form in which the cover 51 abuts any position inside the protective cover 80 are all embodiments of the present application. For example, the cover 51 is in contact with at least one of the top plate 82 , the first side plate 83 and the second side plate 84 .

In one embodiment, the driver 50 includes an electrical connector 54. The bracket 42 and the first housing 14 are provided with a first through hole 422, and the electrical connector 54 is connected to the stator 11 through the first through hole 422, so that The driver 50 and the stator 11 are electrically connected, and the integration level of the driver 50 and the motor 10 is improved.

Optionally, the second plate 4322, the third plate 4323, the extension 511 and the second side plate 84 can be fastened by screws, pins, buckle structures, or thread locking structures, and can achieve rapid fastening. Disassembly and maintenance.

Please refer to Figure 18. This application also provides a propeller 200 using the above-mentioned power device 100. The propeller 200 includes a propeller 201. The propeller 201 is connected to an end of the power output shaft 34 extending out of the first housing 30a, and drives power through the rotating shaft 13. The input shaft 33 rotates, and the power input shaft 33 drives the power output shaft 34 to rotate through the gear set 32, and then the power output shaft 34 drives the propeller 201 to rotate, thereby realizing the propulsion function. Optionally, the propeller 200 includes a marine propeller.

In one embodiment, the propeller 200 further includes a tail shaft 202 , which is axially connected between the propeller 201 and the power output shaft 34 for transmitting rotational torque to the propeller 201 .

This application also provides a movable equipment 300 in water areas using the above-mentioned propeller 200, including a movable body 300a. The power device 100 is installed on the movable body 300a. The power device 100 drives the propeller 201 to rotate, and the propeller 201 drives the movable body 300a. move. Optionally, the movable equipment 300 in the water area may include commercial ships, passenger ships, yachts, fishing boats, sailing boats, civilian ships and other types of water transportation vehicles. It may also be water area inspection equipment, water area management equipment, water area environment monitoring equipment, etc. that can be used in the water area. Mobile devices.

The above-mentioned power unit 100, propeller and water area movable equipment cooperate through the rotating assembly 20 and the heat dissipation assembly 40. The rotating assembly 20 pushes the heat-conducting medium to flow through the plurality of heat-dissipating slits 40a of the heat-dissipating assembly 40 for heat exchange, and is taken away by the heat-conducting medium. The heat of the heat dissipation component 40 is improved to improve the heat dissipation efficiency.

Those of ordinary skill in the art should realize that the above embodiments are only used to illustrate the present application and are not used to limit the present application. As long as they are within the scope of the essential spirit of the present application, appropriate changes can be made to the above embodiments. and changes all fall within the scope disclosed in this application.

Claims (43)

1. A power device, characterized in that it includes:

   motor;

   A rotating component configured at one end of the motor;

   A transmission, configured at an end of the motor away from the rotating component, used to change the speed of the rotational torque output by the motor;

   A heat dissipation component, configured on the motor and the transmission, and thermally coupled with the transmission and the motor;

   The heat dissipation component has a plurality of heat dissipation slits, and the rotating component can push the heat conductive medium to flow through the plurality of heat dissipation slits and take away the heat of the heat dissipation component through the heat conduction medium.
2. The power device of claim 1, wherein the heat dissipation component is provided with a plurality of first heat sinks arranged at intervals around the motor, and the first heat sinks are thermally coupled to the motor. A portion of the heat dissipation slit is formed between two adjacent first heat dissipation fins.
3. The power device of claim 2, wherein the heat dissipation assembly is further provided with a bracket fixed to the motor, the power device further includes a driver fixed to the bracket, the driver is electrically connected to the The refrigerant pushed by the motor and the rotating assembly can also pass through the space between the bracket and the motor.
4. The power device according to claim 3, wherein the bracket is provided with a plurality of second heat sinks arranged at intervals on the side facing the motor, and a portion formed between two adjacent second heat sinks is The heat dissipation slit, the driver is fixed on the side of the bracket away from the second heat sink.
5. The power device according to claim 3, wherein the motor is provided with a first housing, and the first heat sink is provided on the outer periphery of the first housing.
6. The power device according to claim 5, wherein the heat dissipation assembly further includes a deflector fixed on the outer periphery of the motor part and spliced to the driver, and the deflector is connected to the motor, the driver and the bracket. There is a gap between them, and the refrigerant pushed by the rotating assembly passes through the gap.
7. The power device of claim 6, wherein the air guide cover includes a first air guide plate and a second air guide plate, and the first air guide plate surrounds part of the outer periphery of the first housing. , the second baffle is spliced with the first baffle and connected to the driver.
8. The power device according to claim 6, wherein the air deflector includes a first air guide plate and two second air guide plates, and the two second air guide plates are respectively connected to both sides of the bracket, The first guide plate surrounds part of the outer periphery of the first housing, and both sides of the first guide plate are spaced apart from the second guide plate respectively.
9. The power device according to claim 8, wherein the power device further includes a protective cover, the protective cover surrounds the outer periphery of the bracket and defines a first receiving cavity with the bracket, and the protective cover Spliced with the second guide plate, the driver is arranged in the first receiving cavity.
10. The power device of claim 9, wherein the driver includes a cover and a drive body, the cover is connected to the bracket and defines a second receiving cavity with the bracket, and the drive body is configured It is in the second receiving cavity and electrically connected to the motor, and the cover is also in contact with the inside of the protective cover.
11. The power device of claim 9, wherein the protective cover is provided with a plurality of heat dissipation holes communicating with the first receiving cavity.
12. The power device of claim 5, wherein the motor is provided with a stator and a rotor contained in the first housing, and a rotating shaft fixed to the rotor, and one end of the rotating shaft is connected to the Describe the gearbox.
13. The power device of claim 12, wherein the driver includes an electrical connector, the bracket and the first housing are provided with a first through hole, and the electrical connector passes through the The first through hole is connected to the stator.
14. The power device of claim 1, wherein the rotating assembly includes a fan and a second housing, the second housing is connected to the motor, and the fan is rotationally connected to the second housing. The fan is used to promote the flow of refrigerant.
15. The power device of claim 14, wherein the rotating assembly further includes a fan driving member, which is fixed to the second housing and electrically connected to the fan to drive the fan to rotate. .
16. The power device according to any one of claims 1 to 15, characterized in that the heat dissipation component is provided with an internal circulation heat dissipation component, and the internal circulation heat dissipation component is provided with an internal circulation pipe and a heat dissipation device arranged in the internal circulation pipe. A plurality of first heat dissipation fins, part of the heat dissipation slits are formed between two adjacent first heat dissipation fins, and the internal circulation pipe is connected to the transmission for conducting the heat of the transmission to a plurality of The first heat dissipation fin.
17. The power plant of claim 16, wherein the transmission is provided with a first cavity and a gear set contained in the first cavity, the first cavity is connected to an internal circulation pipe, and the The first cavity circulates cooling liquid with the internal circulation pipe, and the gear set is connected with the motor and thermally coupled with the cooling liquid.
18. The power device of claim 17, wherein the first cavity includes a first chamber and a second chamber, the first chamber communicates with the second chamber, and the gear set can Part of the cooling liquid in the first chamber is stirred into the second chamber, and the cooling liquid in the second chamber can flow back to the first chamber.
19. The power device of claim 18, wherein a first partition and a second partition are provided in the first cavity, and the first partition and the inner wall of the first cavity form a first partition. The second partition and the inner wall of the first cavity form a second cavity, and the first cavity and the second cavity together form the second cavity.
20. The power device of claim 19, wherein the first cavity and the first chamber are connected through a first return channel, and the second cavity and the first chamber are connected through a second The return channel is connected.
21. The power device according to claim 19, wherein a first connection portion connecting the first partition plate and the second partition plate is further provided in the first cavity, and the surface of the first connection portion is provided with There is a first groove, and a first passage communicating with the first chamber is provided on the bottom surface of the first groove. hole, and the oil in the first groove flows to the first chamber through the first through hole.
22. The power device of claim 17, wherein the transmission includes a first housing and a second housing, the second housing is connected to the motor, and the first housing is connected to the second housing to form the A first chamber and a second chamber, the second chamber is partially located in the first shell, the second shell is provided with a third return channel, and the third return channel communicates with the second chamber and First chamber.
23. The power device of claim 22, wherein a third heat sink is provided on the side of the second housing away from the first housing, and the third heat sink extends radially along some gears of the gear set, adjacent to Part of the heat dissipation slit is formed between the two third heat dissipation fins.
24. The power device of claim 23, wherein a fourth heat sink is provided on the side of the first housing away from the second housing, and the third heat sink extends radially along some gears of the gear set.
25. The power device of claim 22, wherein the transmission is provided with a power input shaft connected to the motor shaft and a power output shaft separated from the power input shaft, and the gear set is connected to the power input shaft. between the power input shaft and the power output shaft.
26. The power device of claim 25, wherein a first sealing member is provided between the power input shaft and the inner wall of the first cavity.
27. The power device of claim 25, wherein a second seal is provided between the power output shaft and the inner wall of the first cavity.
28. The power device of claim 16, wherein the transmission is provided with a liquid outlet and a liquid inlet, the internal circulation pipe is connected to the liquid outlet and the liquid return outlet, and the center of the liquid outlet The vertical distance to the bottom of the transmission is smaller than the vertical distance from the center of the liquid return port to the bottom of the transmission.
29. The power plant according to claim 17, wherein the internal circulation pipe has an input pipe and an output pipe connected to the transmission, and an intermediate pipe connected between the input pipe and the output pipe, so The input pipe and the output pipe are set separately On both sides of the motor, the input pipe is used to input cooling liquid into the first cavity, the output pipe is used to output cooling liquid from the first cavity, and the intermediate pipe is close to the motor Connect the rotating assembly.
30. The power device according to claim 29, wherein the plurality of first heat dissipation fins are arranged around the outer periphery of the input pipe and the output pipe.
31. The power device of claim 30, wherein the internal circulation heat dissipation assembly further includes a first pipe bracket and a second pipe bracket, both of the first pipe bracket and the second pipe bracket are connected to the motor. Fixed, the first pipe bracket is provided with a first pipe hole, the second pipe bracket is provided with a second pipe hole, the input pipe cooperates with the first pipe hole, and the output pipe cooperates with the second pipe hole. The pipe holes are matched, and the plurality of first heat dissipation fins are arranged on the first pipe bracket and the second pipe bracket, and extend correspondingly along the radial direction of the input pipe and along the radial direction of the output pipe. .
32. The power plant according to any one of claims 1 to 15, wherein the heat dissipation assembly is further provided with a heat pipe thermally coupled with the transmission and a plurality of second heat dissipation fins in contact with the heat pipe. A portion of the heat dissipation slit is formed between two adjacent second heat dissipation fins.
33. The power device of claim 32, wherein the heat dissipation assembly is provided with a plurality of heat pipes, the plurality of heat pipes are arranged side by side, and the arrangement direction of the plurality of heat pipes is perpendicular to the output of the motor. In the axial direction, the refrigerant pushed by the rotating assembly is allowed to flow between two adjacent heat pipes.
34. The power device of claim 32, wherein the plurality of second heat dissipation fins are stacked at intervals, and each of the second heat dissipation fins is configured for a plurality of heat pipes to be inserted and matched.
35. The power device of claim 32, wherein the heat dissipation assembly is further provided with a heat pipe bracket, the heat pipe bracket is in contact with the transmission, and the plurality of heat pipes are fitted with the heat pipe bracket.
36. The power plant of claim 35, wherein the heat pipe bracket is provided with a plurality of embedding grooves on a side facing away from the transmission, and a plurality of the heat pipes are correspondingly embedded in a plurality of the embedding grooves.
37. The power device of claim 35, wherein the heat pipe bracket is provided with a fitting portion that fits the transmission and an extension portion located on both sides of the fitting portion, and the extension portion is provided with a plurality of fitting portions. There are three third heat dissipation fins, and part of the heat dissipation slit is formed between two adjacent third heat dissipation fins.
38. The power device according to any one of claims 1 to 15, wherein the transmission includes a housing and a gear set, the housing and the motor define a first cavity, and the gear set is received in the In the first cavity, the first cavity is used to contain coolant, the gear set is connected to the motor and thermally coupled with the coolant, the housing is provided with a fifth heat sink, and the fifth The heat dissipation fins extend radially along part of the gears of the gear set, and part of the heat dissipation slits are formed between two adjacent fifth heat dissipation fins.
39. The power device according to any one of claims 1 to 15, characterized in that the power device further includes two first suspension brackets fixed on one side of the motor and two first suspension brackets fixed on the other side of the motor. Two second suspension brackets, the power device further includes a first shock-absorbing suspension configured on the first suspension bracket, and a second shock-absorbing suspension configured on the second suspension bracket.
40. The power device according to claim 39, characterized in that two of the first suspension brackets are arranged in a direction parallel to the axial center of the output shaft of the motor, and two of the second suspension brackets are arranged in a direction parallel to the axis of the output shaft of the motor. The output shaft of the motor is arranged in the axis direction.
41. A propeller, characterized by comprising the power device according to any one of claims 1 to 39, and a propeller, the propeller being connected to the transmission shaft to receive the rotational torque output by the transmission.
42. The propeller of claim 41, wherein the propeller further includes a tail shaft, and the tail shaft is connected between the propeller and the transmission for transmitting rotational torque to the propeller.
43. A movable equipment in water areas, characterized by comprising a movable body and the propeller according to any one of claims 41-42, the power device being configured on the movable body, the The propeller can rotate to push the movable body to move.