CN218506110U

CN218506110U - Power device, propeller and water area movable equipment

Info

Publication number: CN218506110U
Application number: CN202222398754.XU
Authority: CN
Inventors: 李雪成; 唐彪; 冯文营; 何志纲; 杨文君
Original assignee: Guangdong ePropulsion Technology Co Ltd
Current assignee: Guangdong ePropulsion Technology Co Ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-02-21
Anticipated expiration: 2032-09-08

Abstract

The application provides a power device, a propeller and a water area movable device. The power device comprises a driving component, a transmission component, a fan and a radiator. The drive assembly includes a drive shaft. The transmission assembly comprises a shell, an input shaft and an output shaft, the input shaft and the output shaft are arranged in the shell, the input shaft is connected to the driving shaft, the output shaft is in transmission connection with the input shaft, and one end of the output shaft extends out of the shell and is used for providing power. The fan is arranged on one side of the driving component far away from the transmission component. The radiator is arranged on the shell and radiates heat to the transmission assembly. The driving shaft drives the input shaft to rotate, the input shaft drives the output shaft to rotate so as to output power, and the fan rotates to generate airflow to radiate heat of the radiator. The power device, the propeller and the water area movable equipment achieve the purpose of improving the heat dissipation efficiency, and meanwhile, the radiator and the fan can also avoid the defects that the overall structure of the power device is too complex or the weight is greatly increased and the like.

Description

Power device, propeller and water area movable equipment

Technical Field

The application relates to the field of marine propulsion equipment, in particular to a power device, a propeller and water area movable equipment.

Background

At present, in a heat dissipation mode of a gear box of a motor, the surface area of a shell is generally increased by arranging heat dissipation ribs on the shell of a reduction gearbox so as to increase the heat dissipation efficiency by increasing the heat dissipation area, but the heat dissipation area which can be increased by the mode is limited, the heat dissipation efficiency is difficult to improve, defects are caused due to the difficulty in manufacturing the shell, and the weight is increased.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a power device, a propeller and a water area movable apparatus, which are capable of improving heat dissipation efficiency and avoiding the defects of excessively complex structure or greatly increased weight.

An embodiment of the present application provides a power device, which includes a driving assembly, a transmission assembly, a fan, and a heat sink. The drive assembly includes a drive shaft. The transmission assembly comprises a shell, an input shaft and an output shaft, the input shaft and the output shaft are arranged in the shell, the input shaft is connected to one end of the driving shaft, the output shaft is in transmission connection with the input shaft, and one end of the output shaft extends out of the shell and is used for providing power. The fan is arranged on one side, far away from the transmission assembly, of the driving assembly. The radiator is arranged on the shell and radiates heat to the transmission assembly. The driving shaft drives the input shaft to rotate, the input shaft drives the output shaft to rotate so as to output power, and the fan rotates to generate airflow to radiate heat of the radiator.

Above-mentioned power device makes heat conduction to radiator through radiator and drive assembly laminating earlier, and the air current that rethread fan produced further reduces the heat to drive assembly and radiator forced air cooling to realize improving radiating efficiency's purpose, set up radiator and fan simultaneously and dispel the heat, need not to set up a large amount of heat dissipation muscle on drive assembly's shell, reduce the preparation degree of difficulty of shell, reduce the production of defect, can avoid power device overall structure too complicated or weight to a great extent defect such as increase.

In some embodiments, the heat sink includes a base and a plurality of heat pipes, the base is connected to the housing, each heat pipe includes an evaporation section and a cooling section, the evaporation section is connected to the base, the cooling section is connected to a side of the evaporation section away from the base, the base transfers heat of the transmission assembly to the evaporation section, liquid in the evaporation section absorbs heat and evaporates to the cooling section, and steam in the cooling section condenses and flows back to the evaporation section.

In some embodiments, each heat pipe is U-shaped, and the plurality of heat pipes are arranged in parallel along an axial direction perpendicular to the driving shaft, with a space between every two adjacent heat pipes.

In some embodiments, each heat pipe is provided with a plurality of parallel first fins, and a gap is formed between every two adjacent first fins.

In some embodiments, the first fins of the plurality of heat pipes located in the same plane are connected into a whole.

In some embodiments, the housing is provided with a plurality of second fins disposed around the housing, the second fins extending in a radial direction of the output shaft.

In some embodiments, a side of the base facing away from the heat pipe is provided with a plurality of parallel third fins.

In some embodiments, the transmission assembly includes a first transmission member and a second transmission member, one end of the first transmission member is used as an input shaft to be connected with the driving shaft, the first transmission member is engaged with the second transmission member, and one end of the second transmission member is used as an output shaft to provide power.

In some embodiments, the first transmission member includes a first transmission shaft and a first gear disposed on the first transmission shaft, and the second transmission member includes a second transmission shaft and a second gear disposed on the second transmission shaft, the first gear being engaged with the second gear.

In some embodiments, the power device further includes a frame, the driving assembly is disposed in the frame, the housing is connected to the frame, the frame is provided with a channel along an axial direction of the driving shaft, two ends of the channel penetrate through the frame, and the channel is used for circulating the airflow generated by the fan.

In some embodiments, the power plant further includes a nacelle coupled to the frame, and the fan is positioned between the nacelle and the drive assembly.

In some embodiments, the fan is coupled to the other end of the drive shaft, and the drive shaft drives the fan to rotate synchronously.

The propeller comprises a propeller and the power device in any one of the embodiments, wherein the propeller is connected to an output shaft, and the output shaft drives the propeller to rotate.

An embodiment of the application also provides a water area movable device, which comprises the propeller. The propeller and the water area movable equipment also achieve the purpose of improving the heat dissipation efficiency through the power device.

Drawings

Fig. 1 is a sectional view of a power plant according to an embodiment of the present application.

Fig. 2 is an exploded view of the transmission assembly and the heat sink according to an embodiment of the present application.

Fig. 3 is a perspective view of the heat sink of fig. 2.

Description of the main elements

Power plant 100

Drive assembly 10

Drive shaft 11

Electric machine 12

Transmission assembly 20

Outer casing 21

First housing 211

Second housing 212

Cover 21a

Second fin 21b

Input shaft 22

Output shaft 23

First transmission member 24

First drive shaft 24a

First gear 24b

Second transmission member 25

Second transmission shaft 25a

Second gear 25b

Fan 30

Heat sink 40

Base 41

Arched surface 41a

Heat pipe 42

Spacing 421

The evaporation section 42a

Cooling section 42b

First fin 42c

Gap 42d

Third fin 43

Rack 50

Air guide sleeve 60

Driver 70

Detailed Description

The technical solutions of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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

An embodiment of the present application provides a power device, which includes a driving assembly, a transmission assembly, a fan, and a heat sink. The drive assembly includes a drive shaft. The transmission assembly comprises a shell, an input shaft and an output shaft, the input shaft and the output shaft are arranged in the shell, the input shaft is connected to one end of the driving shaft, the output shaft is in transmission connection with the input shaft, and one end of the output shaft extends out of the shell and is used for providing power. The fan is arranged on one side of the driving component far away from the transmission component. The radiator is arranged on the shell and radiates heat to the transmission assembly. The driving shaft drives the input shaft to rotate, the input shaft drives the output shaft to rotate so as to output power, and the fan rotates to generate airflow to radiate heat of the radiator.

Above-mentioned power device makes heat conduction to radiator through radiator and drive assembly laminating earlier, and the air current that rethread fan produced further reduces the heat to drive assembly and radiator forced air cooling to realize improving radiating efficiency's purpose, radiator and fan dispel the heat simultaneously, need not to set up a large amount of heat dissipation muscle on drive assembly's shell, reduce the preparation degree of difficulty of shell, reduce the production of defect, can avoid power device overall structure too complicated or weight to a great extent defect such as increase.

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

Referring to fig. 1, in an embodiment of the present invention, a power device 100 is provided, which includes a driving assembly 10, a transmission assembly 20, a fan 30, and a heat sink 40. The drive assembly 10 includes a drive shaft 11. The drive assembly 10 is capable of rotating the drive shaft 11 to provide torque. The transmission assembly 20 includes a housing 21, an input shaft 22, and an output shaft 23. An input shaft 22 and an output shaft 23 are provided within the housing 21. The input shaft 22 is connected to one end of the driving shaft 11, the input shaft 22 is in transmission connection with the output shaft 23, and one end of the output shaft 23 extends out of the casing 21 and is used for providing power. The driving shaft 11 can drive the input shaft 22 to rotate, the input shaft 22 can drive the output shaft 23 to rotate, and the output shaft 23 is used for providing torque. The heat sink 40 is provided in the housing 21. The heat sink 40 is attached to the housing 21, the transmission assembly 20 can transfer heat to the housing 21, and the heat sink 40 is used for dissipating heat from the housing 21, so that the heat dissipation efficiency of the transmission assembly 20 is improved. The fan 30 is disposed on a side of the driving assembly 10 away from the transmission assembly 20, and an airflow generated by the rotation of the fan 30 can flow through the transmission assembly 20 and reach the heat sink 40, so as to cool the transmission assembly 20 and the heat sink 40, thereby further improving the heat dissipation efficiency. In addition, the power device 100 radiates heat through the radiator 40 and the fan 30, so that a large number of radiating ribs do not need to be arranged on the shell 21 of the transmission assembly 20, the manufacturing difficulty of the shell 21 is reduced, the defects are reduced, and the defects that the overall structure of the power device 100 is too complex or the weight is greatly increased and the like can be avoided.

In some embodiments, the transmission assembly 20 includes a first transmission member 24 and a second transmission member 25. One end of the first transmission 24 is connected to the drive shaft 11 as the input shaft 22. The first transmission element 24 engages with the second transmission element 25. One end of the second transmission member 25 is used as the output shaft 23 for providing power. By way of example, the transmission assembly 20 is a gear box, and the first transmission member 24 includes a first transmission shaft 24a and a first gear 24b disposed on the first transmission shaft 24 a. The second transmission member 25 includes a second transmission shaft 25a and a second gear 25b provided on the second transmission shaft 25 a. The first gear 24b meshes with the second gear 25b. A first drive shaft 24a is connected as an input shaft 22 to the drive shaft 11 and a second drive shaft 25a is connected as an output shaft 23 to extend out of the housing 21 and to an external device (e.g., a propeller) for powering the external device, such as when the external device is a propeller, the output shaft 23 is connected to the propeller for driving the propeller to rotate. Wherein, the first gear shaft 22 and the second gear shaft 23 can be in speed reduction transmission to obtain larger output torque. In other embodiments, the first gear 24b and the second gear 25b can be replaced by other transmission mechanisms (such as belt transmission mechanism, chain transmission mechanism, etc.) to realize the transmission connection between the input shaft 22 and the output shaft 23.

Referring to fig. 2 and 3, in some embodiments, the heat sink 40 includes a base 41 and a plurality of heat pipes 42. The base 41 is attached to the housing 21. Each heat pipe 42 includes an evaporator section 42a and a cooler section 42b. The evaporation stage 42a is connected to the base 41. The cooling section 42b is connected to the side of the evaporation section 42a facing away from the base 41. The housing 21 is capable of transferring heat to the base 41, and the base 41 transfers heat to the evaporation section 42a. After the temperature of the evaporation section 42a rises, the liquid inside the evaporation section 42a absorbs heat and boils into vapor, and the vapor with heat moves from the evaporation section 42a to the cooling section 42b, because the cooling section 42b can be cooled by the air of the fan 30 and has heat dissipation capability, when the vapor transfers heat to the cooling section 42b, the vapor condenses into liquid and flows back to the evaporation section 42a under the capillary action of the wick, so that each heat pipe 42 can repeat the cycle process to dissipate heat continuously.

In some embodiments, each heat pipe 42 is U-shaped, with the bottom portion being an evaporation section 42a and the top portion being a cooling section 42b, and the cooling section 42b is located above the evaporation section 42a, so as to facilitate vapor moving up to the cooling section 42b and condensed liquid flowing back down to the evaporation section 42a by gravity, thereby accelerating the circulation process.

In some embodiments, the axial direction of the driving shaft 11 is the X direction, the plurality of heat pipes 42 are arranged in parallel along the axial direction (Y direction) perpendicular to the driving shaft 11, and a space 421 is provided between every two adjacent heat pipes 42, and the space 421 can circulate the airflow generated by the fan 30 and flowing along the X direction, so as to improve the heat dissipation efficiency of the heat pipes 42.

In some embodiments, a plurality of parallel first fins 42c are arranged on each heat pipe 42, and the first fins 42c are used for increasing the heat dissipation area of the heat pipe 42 to improve the heat dissipation efficiency of the heat pipe 42. A gap 42d is formed between every two adjacent first fins 42c, and the gap 42d can circulate the airflow generated by the fan 30, so as to improve the heat dissipation efficiency of the first fins 42c, and further improve the heat dissipation efficiency of the heat pipe 42. Further, in some embodiments, the first fins 42c of the plurality of heat pipes 42 located in the same plane are connected to form a whole, so as to further increase the area of the first fins 42c, thereby improving the heat dissipation efficiency of the heat pipes 42. As an illustrative example, a plurality of first fins 42c are arranged in the U-shaped heat pipe 42 in the Z-direction, and the gap 42d allows the air flow generated by the fan 30 and flowing in the X-direction to flow therethrough.

In some embodiments, a side of the base 41 facing away from the heat pipe 42 is provided with a plurality of parallel third fins 43, and the third fins 43 are used for improving the heat dissipation efficiency of the base 41.

Referring to fig. 2, in some embodiments, the housing 21 includes a first housing 211 and a second housing 212. The first transmission shaft 24a and the second transmission shaft 25a are parallel to the X direction. The first housing 211 and the second housing 212 are joined together in the X direction and fixed by bolts. The driving shaft 11 extends into the first housing 211 and is connected to the first transmission shaft 24a, and a sealing member is disposed between the driving shaft 11 and the first housing 211 to prevent the lubricant in the casing 21 from leaking, and to prevent water from entering the driving assembly 10 when the driving assembly is applied in a water environment. The second transmission shaft 25a extends out of the second housing 212, and a sealing member is also disposed between the second transmission shaft 25a and the second housing 212, so that leakage of the lubricating oil in the casing 21 or water inflow of the casing 21 can be avoided. Wherein the seal may be an oil seal.

In the embodiment, as shown in fig. 2, the base 41 has an arc surface 41a, the top of the first housing 211 is provided with an indent structure 21a surrounding the joint of the first transmission shaft 24a, the indent structure 21a can accommodate the base 41, the bottom surface of the indent structure 21a is arc-shaped and coaxial with the first transmission shaft 24a, and the arc surface 41a is attached to the arc-shaped bottom surface of the indent structure 21a, so that the heat sink 40 is closer to the joint of the first transmission shaft 24a and the first housing 211, the contact area between the base 41 and the first housing 211 is increased, and the heat dissipation efficiency at the joint of the first housing 211 and the first transmission shaft 24a is further improved, thereby improving the overall heat dissipation efficiency of the heat sink 40 to the housing 21. In other embodiments, an inner concave structure 21a and a heat sink 40 may be disposed at a connection position of the bottom of the first housing 211 surrounding the second transmission shaft 25a to further improve the heat dissipation efficiency of the first housing 211, and similarly, an inner concave structure 21a and a heat sink 40 may be disposed at a connection position of the second housing 212 surrounding the first transmission shaft 24a and the second transmission shaft 25a to respectively improve the heat dissipation efficiency of the second housing 212.

In some embodiments, the housing 21 is provided with a plurality of second fins 21b to improve the heat dissipation efficiency of the housing 21 itself. As shown in fig. 2, the bottom portions of the first housing 211 and the second housing 212 are provided with a plurality of second fins 21b around the second transmission shaft 25a, and the plurality of second fins 21b extend along the radial direction of the second transmission shaft 25a, so that the second fins 21b can more efficiently dissipate heat at the connection portion of the second transmission shaft 25a and the first housing 211 and the second housing 212, thereby improving the overall heat dissipation efficiency of the casing 21. In other embodiments, the second fins 21b may be only provided on the first housing 211 or only provided on the second housing 212, or the second fins 21b may be only provided around the first transmission shaft 24a or the second transmission shaft 25a, or the second fins 21b may be provided around both the first transmission shaft 24a and the second transmission shaft 25a, or the second fins 21b may be provided on the whole of the first housing 211 and the second housing 212.

Referring to fig. 1, in some embodiments, the power plant 100 further comprises a frame 50. The drive assembly 10 is disposed within the housing 50. The frame 50 is connected to the housing 21, and the frame 50 is provided with a passage in the axial direction of the drive shaft 11. The channel extends through the frame 50 at both ends. The passage is used to circulate the air flow generated by fan 30 so that the air flow can pass through drive assembly 10 and reach heat sink 40. As an exemplary example, in some embodiments, the frame 50 may be formed by splicing a plurality of guide vanes around the driving assembly 10, and a gap is formed between the guide vanes and the driving assembly 10, so as to form a channel, and the guide vanes can guide the airflow generated by the fan 30 to flow to the housing 21, thereby improving the air cooling efficiency; in other embodiments, the housing 50 may be an integrally formed housing.

In some embodiments, the power plant 100 further comprises a nacelle 60. The pod 60 is coupled to the frame 50. The fan 30 is located between the pod 60 and the drive assembly 10. The shroud 60 serves to direct airflow into the fan 30 and to protect the fan 30.

In some embodiments, the fan 30 is driven by an additional power source, and the fan 30 and the driving assembly 10 operate independently, so that the fan 30 can be controlled independently to adapt to different working conditions. In other embodiments, the fan 30 may also be directly connected to one end of the driving shaft 11, which is far away from the transmission assembly 20, of the driving shaft 11 to drive the fan 30 to rotate synchronously, so that the rotation speed of the fan 30 may be increased or decreased with the increase of the power of the driving shaft 11, thereby increasing the airflow rate at high power output, and decreasing the airflow rate at low power output, thereby providing airflow of a corresponding size in real time to ensure the heat dissipation effect, saving additional motor and circuit control, reducing the volume and weight of the power device 100, and reducing energy consumption, and the fan 30 and the transmission assembly 20 are respectively disposed at two opposite ends of the driving shaft 11, so that the fan 30 and the transmission assembly 20 do not affect each other while operating synchronously.

Referring to fig. 1, in some embodiments, the driving assembly 10 further includes a motor 12, and the motor 12 is connected to the driving shaft 11 and is configured to drive the driving shaft 11 to rotate. The power device 100 further includes a driver 70, and the driver 70 is disposed on the frame 50.

In the embodiment of the present application, the driver 70 includes, but is not limited to, a circuit board, a controller, etc., and may be integrally disposed on the motor 12 for driving the motor 12 to start or stop, or adjusting the rotation speed, the rotation direction, etc. of the motor 12. The drive 70 includes, in addition to the controller for controlling the operation of the motor 12, a drive management controller that may be used to control the driving attitude of the water movable apparatus, may be used to control the power management system of the water movable apparatus, may be used to control the speed change of the power plant 100, and may be used to interact with other modules on the water movable apparatus. In the embodiment of the present application, the driver 70 is not limited to include the above-mentioned controller, and any electronic control terminal module that can realize the driving and information interaction function and is integrated into the motor may be the embodiment of the present application.

In an embodiment of the present application, a propeller is further provided, which includes a propeller and a power device 100, the propeller is connected to the output shaft 23, and the output shaft 23 drives the propeller to rotate to provide thrust.

An embodiment of the application also provides a water area movable device, which comprises the propeller. The movable water area equipment can be various water area vehicles such as commercial ships, passenger ships, yachts, fishing boats, sailing boats and civil ships, and can also be equipment capable of moving in water areas such as water area inspection equipment, water area treatment equipment and water area environment monitoring equipment. The propeller and the water area movable equipment also achieve the purpose of improving the heat dissipation efficiency through the power device.

In addition, those skilled in the art should recognize that the foregoing embodiments are illustrative only, and not limiting, and that appropriate changes and modifications to the foregoing embodiments may be made within the spirit and scope of the present disclosure.

Claims

1. A power plant, comprising:

a drive assembly including a drive shaft;

the transmission assembly comprises a shell, an input shaft and an output shaft, the input shaft and the output shaft are arranged in the shell, the input shaft is connected to one end of the driving shaft, the output shaft is in transmission connection with the input shaft, and one end of the output shaft extends out of the shell and is used for providing power;

the fan is arranged on one side, far away from the transmission assembly, of the driving assembly; and

the radiator is arranged on the shell and radiates heat to the transmission assembly;

the driving shaft drives the input shaft to rotate, the input shaft drives the output shaft to rotate so as to output power, and the fan rotates to generate airflow to radiate heat of the radiator.

2. The power plant of claim 1, wherein: the radiator includes base and a plurality of heat pipe, the pedestal connection in the shell, every the heat pipe includes evaporation zone and cooling zone, the evaporation zone connect in the base, the cooling zone connect in the evaporation zone deviates from one side of base, the base will drive assembly's heat transfer extremely the evaporation zone, liquid heat absorption evaporation in the evaporation zone extremely the cooling zone, steam condensate reflux in the cooling zone extremely the evaporation zone.

3. The power plant of claim 2, wherein: each heat pipe is U-shaped, a plurality of heat pipes are arranged in parallel along the axial direction perpendicular to the driving shaft, and a space is arranged between every two adjacent heat pipes.

4. The power plant of claim 2, wherein: a plurality of parallel first fins are arranged on each heat pipe, and a gap is formed between every two adjacent first fins.

5. The power plant of claim 4, wherein: the first fins on the heat pipes are connected into a whole.

6. The power plant of claim 1, wherein: the shell is provided with a plurality of second fins, the second fin sets up around the shell, the second fin extends along the radial of output shaft.

7. The power plant of claim 2, wherein: and one side of the base, which is far away from the heat pipe, is provided with a plurality of parallel third fins.

8. The power plant of claim 1, wherein: the transmission assembly comprises a first transmission piece and a second transmission piece, one end of the first transmission piece is used as the input shaft and connected with the driving shaft, the first transmission piece is meshed with the second transmission piece, and one end of the second transmission piece is used as the output shaft and used for providing power.

9. The power plant of claim 8, wherein: the first transmission piece comprises a first transmission shaft and a first gear arranged on the first transmission shaft, the second transmission piece comprises a second transmission shaft and a second gear arranged on the second transmission shaft, and the first gear is meshed with the second gear.

10. The power plant of claim 1, wherein: the power device further comprises a rack, the driving assembly is arranged in the rack, the shell is connected with the rack, a channel is arranged on the rack along the axis direction of the driving shaft, two ends of the channel penetrate through the rack, and the channel is used for circulating air flow generated by the fan.

11. The power plant of claim 10, wherein: the power device further comprises a flow guide cover, the flow guide cover is connected with the rack, and the fan is located between the flow guide cover and the driving assembly.

12. The power plant of claim 1, wherein: the fan is connected to the other end of the driving shaft, and the driving shaft drives the fan to synchronously rotate.

13. A propeller, comprising: a propeller and a power plant as claimed in any one of claims 1 to 12, the propeller being connected to the output shaft, the output shaft driving the propeller in rotation.

14. A water area movable apparatus, comprising: comprising a propeller as claimed in claim 13.