CN218489884U

CN218489884U - Propulsion device and water area movable equipment

Info

Publication number: CN218489884U
Application number: CN202222436764.8U
Authority: CN
Inventors: 李军; 陶师正; 万小康; 屈晓峰; 王海洋
Original assignee: Guangdong ePropulsion Technology Co Ltd
Current assignee: Guangdong ePropulsion Technology Co Ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-02-17
Anticipated expiration: 2032-09-14

Abstract

The application provides a propulsion device and a water area movable device. The propulsion device comprises a mounting frame, a torque output motor, a driver, a propulsion paddle and a heat exchange mechanism. The mounting bracket defines an interior space. In torque output motor and driver all located inner space, the driver is connected with torque output motor electricity to control torque output motor drive propulsion oar rotatory. The heat exchange mechanism is arranged on the mounting frame and comprises a first heat exchange assembly and a second heat exchange assembly, the first heat exchange assembly is used for being thermally coupled with the torque output motor and the driver, and the second heat exchange assembly is thermally coupled with the first heat exchange assembly and conducts heat of the first heat exchange assembly to the outside. The beneficial effect of this application is that improve advancing device's energy utilization efficiency and cooling efficiency.

Description

Propulsion device and water area movable equipment

Technical Field

The application relates to the technical field of ships, in particular to a propulsion device and a water area movable device.

Background

The propulsion device is used for propelling the ship to move in the water area. The driving system of the known propulsion device has the advantages of large volume, low power density and low energy transfer efficiency, and meanwhile, the cooling system of the driving system has a complex structure, so that the driving system has large mass, vibration and noise, and is not beneficial to the user experience of products.

SUMMERY OF THE UTILITY MODEL

The application provides a propulsion device and a water area movable device.

The application provides a propulsion device, including mounting bracket, moment of torsion output motor, driver, propulsion oar and heat exchange mechanism. The mounting bracket defines an interior space. The torque output motor with the driver is all located in the inner space, the driver with the torque output motor electricity is connected, in order to control torque output motor drive impel the oar rotatory. The heat exchange mechanism is arranged on the mounting frame and comprises a first heat exchange assembly and a second heat exchange assembly, the first heat exchange assembly is used for being thermally coupled with the torque output motor and the driver, and the second heat exchange assembly is thermally coupled with the first heat exchange assembly and conducts heat of the first heat exchange assembly to the outside.

Torque output motor, the driver all locates in the inner space, the driver is connected with torque output motor electricity, make torque output motor, the driver is integrated together, torque output motor, need not link to each other through the exterior structure between the driver, peripheral accessories such as the alternating current three-phase line between torque output motor and the driver and installing support have both been saved, propulsion unit's manufacturing cost has been reduced, the energy transmission route of alternating current three-phase line has still been reduced, thereby energy loss on the transmission route has been reduced, energy utilization efficiency has been improved.

Simultaneously, torque output motor, driver all locate in the inner space for heat exchange mechanism can cool off torque output motor, driver simultaneously, thereby need not use complicated outer hanging cooling body, the cooling to torque output motor, driver in the mounting bracket can be realized to heat exchange mechanism simple to use, advancing device's cooling efficiency has been improved, the quality of heat exchange mechanism has been reduced, thereby further reduced advancing device's weight and noise vibration, advancing device's user experience has been improved.

The present application further provides a water area mobile device, comprising: a hull; the propulsion device as described above, the propulsion device being mounted to said hull.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic view of a water area movable apparatus according to an embodiment of the present application in use;

FIG. 2 is a schematic view of a propulsion device according to an embodiment of the present application;

FIG. 3 is a schematic view of another embodiment of a propulsion device according to an embodiment of the present application;

FIG. 4 is a schematic view of another embodiment of a propulsion apparatus according to an embodiment of the present application;

FIG. 5 is a schematic view of another embodiment of a propulsion device according to an embodiment of the present application;

FIG. 6 is a schematic view of another embodiment of a propulsion device according to an embodiment of the present application;

FIG. 7 is a schematic view of another embodiment of a propulsion device according to an embodiment of the present application;

FIG. 8 is a schematic view of another embodiment of a propulsion device according to an embodiment of the present application;

fig. 9 is a schematic view of another embodiment of a propulsion device according to an embodiment of the present application.

Description of the main element symbols:

propulsion device 100

Mounting frame 10

Inner space 11

First electric control space 111

First heat exchange space 112

First part 12

The first receiving cavity 121

The second electric control space 122

Second heat exchange space 123

Control mounting 124

Control of the housing 125

Power mounting portion 126

Power receiving cavity 127

Thermal coupling 128

Second part 13

The second receiving cavity 131

Third electric control space 1311

Third heat exchange space 1312

Connecting frame 132

Extended space 1321

Flow guide mounting 133

Diversion accommodation space 1331

Tail shaft hole 134

Water pressing plate 14

The pressurized water accommodating space 141

Heat exchange flow passage 142

Heat exchange tube 143

Concave region 15

Torque output motor 21

Stator 211

Rotor 212

Power take-off shaft 213

Mounting end 214

Torque output 215

Driver 22

Propulsion paddle 23

Tail shaft 24

First control cable 25

Second control cable 26

Third control cable 27

Torque transmitting member 30

Marine transmission assembly 31

Waterborne shift gear 311

Variable speed drive shaft 32

Subsea transmission assembly 33

Underwater speed changing gear 331

Heat exchange mechanism 40

First heat exchange assembly 41

Circulating heat exchange member 411

Heat exchange pump 4111

Receiver tube 4112

Heat exchange tube 4113

Filter 4114

Spray assembly 42

Liquid cooling tube 43

Heat exchange water tank 44

Liquid outlet 441

Liquid inlet 442

Second heat exchange assembly 45

Heat exchange fin 451

First diversion trench 452

Heat exchange rib 453

Second guiding gutter 454

First shielding plate 51

First wiring hole 52

Second shielding plate 53

Second wiring hole 54

Third prevention guard plate 55

Third wiring hole 56

First heat exchange liquid 61

Second heat exchange liquid 62

Third heat exchange liquid 63

Tail shaft seal 71

First cable seal 72

Second cable seal 73

Third cable seal 74

Steering gear 80

Steering power unit 81

Rotation driving motor 811

Steering linkage 82

Steering connecting shaft 821

Steering gear shifting mechanism 822

Speed change gear 8221

Ship body 200

Space 201 in ship

Water area mobile device 300

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and 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 an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements 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.

Some embodiments of the present application are described in detail. In the following embodiments and features of the embodiments may be combined with each other without conflict.

Examples

Referring to fig. 1, the present embodiment provides a movable equipment for water area, which may be various water area transportation means such as commercial ship, passenger ship, yacht, fishing boat, sailing boat, and civil ship. Water area mobile device the water area mobile device 300 comprises a hull 200 and a propulsion arrangement 100.

The hull 200 provides buoyancy to allow the movable equipment in the water to float on the water and to carry people or objects. The hull 200 has an inboard space 201, the inboard space 201 being adapted to be able to contain persons and things or other structures. The specific structure of the hull 200 may be set as desired.

The propulsion apparatus 100 is mounted to the hull 200 for providing propulsion to propel the water movable equipment through the water.

Referring to fig. 2, the propulsion apparatus 100 in the present embodiment includes a mounting frame 10, a torque output motor 21, a driver 22, a propulsion paddle 23, and a heat exchange mechanism 40. The mounting frame 10 defines an interior space 11. The torque output motor 21 and the driver 22 are both arranged in the inner space 11, and the driver 22 is electrically connected with the torque output motor 21 to control the torque output motor 21 to drive the propulsion paddle 23 to rotate. The heat exchange mechanism 40 is disposed on the mounting frame 10, the heat exchange mechanism 40 includes a first heat exchange assembly 41 and a second heat exchange assembly 45, the first heat exchange assembly 41 is configured to be thermally coupled to the torque output motor 21 and the driver 22, and the second heat exchange assembly 45 is thermally coupled to the first heat exchange assembly 41 and conducts heat of the first heat exchange assembly 41 to the outside.

Torque output motor 21 and driver 22 all locate in inner space 11, driver 22 is connected with torque output motor 21 electricity, make torque output motor 21 and driver 22 integrate together, need not link to each other through the exterior structure between torque output motor 21 and the driver 22, peripheral accessories such as the alternating current three-phase line and installing support between torque output motor 21 and the driver 22 have been saved, the manufacturing cost of advancing device 100 has been reduced, the energy transmission route of alternating current three-phase line has also been reduced, thereby the loss of energy on transmission route has been reduced, energy utilization efficiency has been improved.

Meanwhile, the torque output motor 21 and the driver 22 are arranged in the internal space 11, so that the heat exchange mechanism 40 can exchange heat for the torque output motor 21 and the driver 22 at the same time to cool the torque output motor 21 and the driver 22, thereby avoiding using a complex external-hanging cooling mechanism, cooling the torque output motor 21 and the driver 22 in the mounting rack 10 can be realized by using a simple heat exchange mechanism 40, improving the cooling efficiency of the propulsion device 100, reducing the quality of the heat exchange mechanism 40, further reducing the weight and noise vibration of the propulsion device 100, and improving the user experience of the propulsion device 100.

In addition, the heat exchange mechanism 40 of the present embodiment includes a first heat exchange assembly 41 and a second heat exchange assembly 45, the first heat exchange assembly 41 can improve the heat exchange efficiency between the torque output motor 21 and the driver 22 and the mounting rack 10, and the second heat exchange assembly 45 can improve the heat exchange efficiency between the mounting rack 10 and the external environment, so as to further improve the heat dissipation efficiency of the propulsion apparatus 100.

It is understood that the interior space 11 may be formed by a cavity, i.e., the torque output motor 21, the driver 22 and the torque transmission member 30 are collectively received in a cavity. The internal space 11 may be formed by a plurality of adjacent cavities, that is, the torque output motor 21 and the driver 22 may be dispersedly accommodated in the plurality of cavities of the internal space 11. By accommodating the torque output motor 21 and the driver 22 in the internal space 11, the torque output motor 21 and the driver 22 are adjacent to each other, thereby facilitating assembly of the torque output motor 21 and the driver 22 and heat dissipation and cooling.

In this embodiment, the mounting frame 10 may be a housing of the propulsion device 100, and may provide a rigid load-bearing function for the whole propulsion device 100. The mounting of the entire propulsion device 100 to the hull 200 is achieved by connecting the mounting 10 directly or indirectly to the hull 200. The arrangement of the torque output motor 21 and the driver 22 on the mounting bracket 10 can be various types, and is not limited to the structure of the embodiment shown in fig. 2, and any structure in which the torque output motor 21 and the driver 22 are adjacent to each other and collectively arranged in the internal space 11 of the mounting bracket 10 belongs to the embodiment of the present application.

In some embodiments, as shown in fig. 2, one end of the torque transmission member 30 is directly connected to the output end of the torque output motor 21, the other end of the torque transmission member 30 extends out of the mounting frame 10, and one end of the torque transmission member 30 extending out of the mounting frame 10 is connected to the propeller 23.

The torque transmission member 30 can change the speed of the power torque output by the torque output motor 21 and then transmit the power torque to the propeller 23, so that a user can conveniently adjust the speed of the propeller 23 and adjust the propelling speed.

In this embodiment, the torque transmission member 30, the driver 22 and the torque output motor 21 may be disposed in the internal space, so as to improve the installation integration of the torque output motor 21, the driver 22 and the torque transmission member 30 in the mounting frame 10, so that the heat exchange mechanism 40 may exchange heat with the three at the same time, further improve the cooling efficiency of the propulsion device 100, reduce the quality of the heat exchange mechanism 40, further reduce the weight and noise vibration of the propulsion device 100, and improve the user experience of the propulsion device 100.

In some embodiments, as shown in fig. 3, a first heat exchange assembly 41 is provided to the mounting bracket 10, the first heat exchange assembly 41 is used for dissipating heat from the mounting bracket 10, and the mounting bracket 10 can absorb heat from the torque output motor 21, the driver 22, and the torque transmission member 30.

The first heat exchange assembly 41 can dissipate heat of the mounting bracket 10, and the mounting bracket 10 can absorb heat of the torque output motor 21, the driver 22 and the torque transmission member 30, so that the temperature of the mounting bracket 10 can be quickly exchanged to the external environment through the first heat exchange assembly 41, and the mounting bracket 10 can more quickly absorb heat of the torque output motor 21, the driver 22 and the torque transmission member 30, thereby improving cooling efficiency of the torque output motor 21, the driver 22 and the torque transmission member 30. In some embodiments, the first heat exchange assembly 41 may be disposed inside the mounting frame 10, and may further simplify the support structure outside the mounting frame 10, thereby further reducing the weight and manufacturing cost of the propulsion apparatus 100.

In some embodiments, as shown in fig. 2, the mounting bracket 10 is provided with a first protection plate 51, the first protection plate 51 divides the internal space 11 into a first electric control space 111 and a first heat exchange space 112, the torque output motor 21 and the torque transmission member 30 are accommodated in the first heat exchange space 112, and the driver 22 is accommodated in the first electric control space 111.

When the torque output motor 21 and the torque transmission member 30 operate in the first heat exchange space 112, the first heat exchange space 112 is often filled with a cooling medium, and the first protection plate 51 can prevent the operating medium in the first heat exchange space 112 from entering the first electronic control space 111 and damaging the driver 22, so that the service life of the driver 22 is prolonged. The first protection plate 51 can also ensure the sealing performance of the first heat exchange space 112 and the first electric control space 111, and when one of the first heat exchange space 112 and the first electric control space 111 is accidentally filled with water, the other one of the first heat exchange space 112 and the first electric control space 111 can be ensured not to be affected, so that the service lives of the torque output motor 21 and the driver 22 can be prolonged, and the maintenance for any one of the first heat exchange space 112 and the first electric control space can be facilitated. In addition, the first heat exchanging space 112 and the first electric control space 111 also ensure that the torque output motor 21 and the driver 22 are respectively and stably installed in the water pressing plate 14.

In some embodiments, as shown in fig. 2, the propulsion device 100 further includes a first control cable 25, the first control cable 25 is connected to the torque output motor 21 and the driver 22, the first protection plate 51 is provided with a first wire hole 52 and a first cable sealing member 72 closely fitted to an inner peripheral side wall of the first wire hole 52, and the first control cable 25 passes through the first wire hole 52 and closely fitted to the first cable sealing member 72. The first control cable 25 can facilitate the driver 22 to accurately and efficiently control the torque output motor 21, thereby adjusting the output power of the torque output motor 21; the cooperation of the first wire hole 52 and the first cable sealing member 72 can facilitate the connection of the first control cable 25 between the torque output motor 21 and the driver 22, and can still ensure the insulation between the first electric control space 111 and the first heat exchanging space 112. Of course, in other embodiments of the present application, the first control cable 25 may not be additionally provided, and the control between the driver 22 and the torque output motor 21 may be implemented through a wireless network, which is not particularly limited.

Specifically, the first cable seal 72 of the present embodiment may be a seal structure such as an oil seal or a gasket.

In some embodiments, as shown in fig. 2, the first heat exchanging space 112 contains a first heat exchanging fluid 61, the first heat exchanging fluid 61 is used for exchanging heat with the torque output motor 21 and at least a part of the torque transmission member 30, the first heat exchanging fluid 61 is also used for exchanging heat with the mounting frame 10 to cool the torque output motor 21 and at least a part of the torque transmission member 30, and the first heat exchanging fluid 61 is also used for reducing the rotation resistance of the torque output motor 21 and the transmission resistance of the torque transmission member 30.

Since the first heat exchanging space 112 and the first electric control space 111 are isolated by the first shielding plate 51, the first heat exchanging liquid 61 does not enter into the first electric control space 111 and damage the driver 22. After additionally setting up first heat exchange liquid 61 in first heat transfer space 112, first heat exchange liquid 61 can carry out the heat exchange with torque output motor 21 and at least part of torque transmission component 30, again with the heat transfer of torque output motor 21 and at least part of torque transmission component 30 transmission to mounting bracket 10, mounting bracket 10 carries out the heat exchange with external environment and can play the cooling effect to first heat exchange liquid 61, thereby the transmission efficiency of heat transfer to mounting bracket 10 of torque output motor 21 and at least part of torque transmission component 30 has been improved, and then further the cooling efficiency of torque output motor 21 and at least part of torque transmission component 30 is improved. In addition, the first heat exchange fluid 61 can further reduce the rotation resistance of the torque output motor 21 and the torque transmission member 30, and can facilitate the replacement and upgrade of the torque output motor 21 to a higher power motor, so as to improve the propulsion performance of the propulsion device 100.

In some embodiments, as shown in fig. 4, a part of the first heat exchanging space 112 is located under water, the part of the first heat exchanging space 112 located under water is used for accommodating the first heat exchanging liquid 61, the first heat exchanging assembly 41 comprises a circulating heat exchanging member 411, and the circulating heat exchanging member 411 is used for extracting a part of the first heat exchanging liquid 61 to be conveyed to the torque output motor 21 and at least a part of the torque transmission member 30.

After a part of the first heat exchange space 112 is placed under water, the first heat exchange liquid 61 can exchange heat with water flow in a water area through the mounting frame 10, and the heat exchange efficiency is higher compared with that of the first heat exchange liquid 61 exchanging heat with air through the mounting frame 10. The circulating heat exchange member 411 can convey the first heat exchange liquid 61 with a low temperature to the torque output motor 21 and at least part of the torque transmission member 30 and exchange heat with the torque output motor, the first heat exchange liquid 61 after the heat exchange is finished and the first heat exchange liquid 61 can return to the first heat exchange space 112 under water under the action of gravity or under the action of the circulating heat exchange member 411, and then the first heat exchange liquid 61 with a low temperature is cooled through the mounting frame 10 and the water flow heat exchange of the water area.

In some embodiments, as shown in fig. 4, circulating heat exchange member 411 comprises a heat exchange pump 4111, a receiving tube 4112, and a heat exchange tube 4113, wherein one end of receiving tube 4112 is immersed in first heat exchange fluid 61, the other end of receiving tube 4112 is in communication with heat exchange pump 4111, one end of heat exchange tube 4113 faces torque output motor 21 and at least part of torque transmission member 30, the other end of heat exchange tube 4113 is in communication with heat exchange pump 4111, and heat exchange pump 4111 is configured to draw first heat exchange fluid 61 through receiving tube 4112 and deliver it to torque output motor 21 and at least part of torque transmission member 30 through heat exchange tube 4113.

The heat exchange pump 4111 can improve the flow efficiency of the first heat exchange fluid 61, thereby further improving the heat dissipation efficiency of the torque output motor 21 and at least a portion of the torque transmission member 30. In addition, the first heat exchange fluid 61 can move along the transmission path of the torque output motor 21 and a part of the torque transmission member 30, and uniformly contacts with the power output shaft 213 of the torque output motor 21 and a part of the torque transmission member 30, and simultaneously plays a better role in lubricating and absorbing heat.

In addition, in the present embodiment, as shown in fig. 4, a filter 4114 is provided in each of the heat exchanging tube 4113 and the receiving tube 4112 to filter the first heat exchange fluid 61 and prevent it from wearing the torque output motor 21 and the torque transmission member 30.

In some embodiments, as shown in fig. 4, the first heat exchange assembly 41 further comprises a spray assembly 42, the spray assembly 42 is connected to the circulating heat exchange member 411, and the spray assembly 42 is configured to receive the extracted first heat exchange fluid 61 from the circulating heat exchange member 411 and spray the extracted first heat exchange fluid 61 to the torque output motor 21 and at least a portion of the torque transmission member 30.

The spraying assembly 42 can spray the low-temperature first heat-exchange fluid 61 to the torque output motor 21 and at least a portion of the torque transmission member 30, so as to increase the contact area between the torque output motor 21 and at least a portion of the torque transmission member 30 and the first heat-exchange fluid 61, thereby further improving the heat dissipation efficiency thereof.

In some embodiments, as shown in fig. 5, the first heat exchange assembly 41 includes a liquid cooling pipe 43, the liquid cooling pipe 43 is disposed between the outer surface and the inner surface of the mounting frame 10, the liquid cooling pipe 43 is used for introducing cooling water, the torque output motor 21, the driver 22 and the torque transmission member 30 can exchange heat with the mounting frame 10, and the mounting frame 10 can exchange heat with the cooling water.

The heat of the torque output motor 21 and the torque transmission member 30 can be heat-exchanged with the cooling water in the liquid cooling pipe 43 through the mounting frame 10, so that the cooling efficiency of the torque output motor 21, the driver 22 and the torque transmission member 30 can be improved. In addition, since the liquid cooling pipe 43 is built in the mounting frame 10, mounting brackets of the liquid cooling pipe 43 and the like can be eliminated, and the overall weight of the first heat exchange unit 41 and the weight of the propulsion apparatus 100 can be reduced.

In some embodiments, as shown in fig. 5, the first heat exchange assembly 41 further includes a heat exchange water tank 44, the heat exchange water tank 44 has a liquid outlet 441 and a liquid inlet 442, one end of the liquid cooling tube 43 is communicated with the liquid outlet 441, and the other end of the liquid cooling tube 43 is communicated with the liquid inlet 442, so that the cooling water after heat exchange with the mounting frame 10 can flow back into the heat exchange water tank 44, and the cooling water in the heat exchange water tank 44 flows into the mounting frame 10 to exchange heat with the mounting frame 10; alternatively, one end of the liquid cooling pipe 43 is used for introducing cooling water into the water area, and the other end of the liquid cooling pipe 43 is used for guiding the cooling water after heat exchange with the mounting rack 10 into the water area. Better heat exchange can be achieved by the heat exchange water tank 44 or by cooling water directly in the water area.

In some embodiments, as shown in fig. 2, the torque output motor 21 includes a stator 211, a rotor 212, and a power output shaft 213, the rotor 212 is engaged with the stator 211, one end of the power output shaft 213 is connected with the rotor 212, the other end is connected with the torque transmission member 30, and the first heat exchange fluid 61 is also used for cooling the rotor 212 and/or the stator 211.

The first heat-exchange liquid 61 can reduce the working temperature of the rotor 212 and the stator 211, and even if the working power of the stator 211 and the rotor 212 is high, the heat generation thereof is reduced under the action of the first heat-exchange liquid 61, so that the torque output motor 21 can adopt a motor with high power to improve the propulsion efficiency of the propulsion device 100.

In some embodiments, as shown in fig. 2 and 3, a second heat exchange assembly 45 is provided on an outer surface of the mounting block 10, and the second heat exchange assembly 45 is used for absorbing heat of the mounting block 10 and exchanging heat with the outside.

The second heat exchange assembly 45 may improve heat exchange efficiency of the mounting bracket 10 with the outside so that heat of the torque output motor 21, the driver 22 and the torque transmission member 30 may be more rapidly transferred to the mounting bracket 10. Second heat exchange assembly 45 can facilitate the maintenance of propulsion device 100, reduce the volume and weight of mounting bracket 10, improve the dismouting convenience of propulsion device 100.

In some embodiments, as shown in fig. 2, referring to fig. the mounting frame 10 has a first portion 12, the first portion 12 is configured to contact air, a second heat exchange assembly 45 is disposed on an outer surface of the first portion 12, the torque output motor 21, the driver 22 and at least a portion of the torque transmission member 30 are disposed in the inner space 11 corresponding to the first portion 12, the torque output motor 21, the driver 22 and at least a portion of the torque transmission member 30 are configured to exchange heat with the mounting frame 10, the mounting frame 10 is configured to transfer heat to the second heat exchange assembly 45, and the second heat exchange assembly 45 is further configured to exchange heat with air flow, so as to cool the torque output motor 21, the driver 22 and at least a portion of the torque transmission member 30.

In some embodiments, the first portion 12 defines a first receiving cavity 121, and the torque output motor 21, the driver 22, and a portion of the torque transmitting member 30 are received in the first receiving cavity 121.

The torque output motor 21, the driver 22 and a part of the torque transmission member 30 are arranged in the first accommodating cavity 121, so that the convenience of maintenance, disassembly and assembly can be improved. Meanwhile, the first portion 12 may be additionally provided with a second heat exchange assembly 45 having a higher heat exchange efficiency than the water flow in the water area, so as to improve the heat dissipation efficiency of the torque output motor 21, the driver 22 and at least a part of the torque transmission member 30, and improve the rated efficiency of the torque output motor 21 and the driver 22, so as to improve the propulsion performance and the heat dissipation performance of the propulsion apparatus 100.

In some embodiments, as shown in fig. 2, the second heat exchange assembly 45 includes a plurality of heat exchange fins 451, the plurality of heat exchange fins 451 are arranged side by side on the first portion 12, and the extending direction of the first flow guide grooves 452 between adjacent heat exchange fins 451 is parallel to the propelling direction of the propelling paddle 23.

The extending direction of first guiding gutter 452 is parallel with the propulsion direction who impels oar 23 between a plurality of heat exchange fins 451, can reduce the air resistance that heat exchange fins 451 received to guarantee the propulsive performance of propeller when guaranteeing heat exchange fins 451's heat dispersion, and can improve the air current and follow the velocity of flow of first guiding gutter 452, and then improve heat exchange fins 451's radiating rate. At the same time, the heat exchange fins 451 also have a lighter weight, so that the weight influence on the propeller can be reduced, and the cost can be reduced.

In some embodiments, as shown in fig. 3, the torque transmission member 30 includes a marine speed change assembly 31, the marine speed change assembly 31 is received in the first receiving cavity 121, and the marine speed change assembly 31 is configured to convert the rotation speed of the torque output motor 21 to the propeller 23.

In some embodiments, as shown in fig. 3, the marine speed change assembly 31 comprises two marine speed change teeth 311 engaged with each other, one marine speed change tooth 311 is connected with the power output shaft 213 of the torque output motor 21, and the other marine speed change tooth 311 is connected with the propeller 23 through the speed change transmission shaft 32.

Through the meshing of the first gear and the second gear, a speed change effect can be achieved on the rotating speed transmitted from the power output shaft 213 to the transmission shaft, and meanwhile, the transmission shaft is convenient for transmitting the power of the motor located in the upper inner space 11 to the underwater propulsion paddle 23.

In some embodiments, as shown in fig. 8, the torque output motor 21 includes a torque output end 215 for outputting torque and a mounting end 214 spaced from the torque output end 215, and the driver 22 is disposed on a side of the mounting end 214 facing away from the torque output end 215.

With the above arrangement, the size of the first portion 12 in the second direction, which is a direction perpendicular to the axial direction of the power output shaft 213 of the torque output motor 21, can be reduced, so that the propulsion device 100 can be installed in an installation environment where there is a size requirement for the propulsion device 100 in the second direction, and the application range of the propulsion device 100 is increased.

In some embodiments, as shown in fig. 9, the torque output motor 21 includes a torque output end 215 for outputting torque and a mounting end 214 disposed at a distance from the torque output end, the mounting end 214 and the torque output end 215 form an outer peripheral side of the torque output motor 21, and the driver 22 is disposed on the outer peripheral side.

With the above-described structural arrangement, the size of the first portion 12 in the axial direction of the power output shaft 213 of the torque output motor 21 can be reduced, so that the propulsion device 100 can be mounted in a mounting environment where there is a dimensional requirement in the axial direction of the power output shaft 213, and the applicable range of the propulsion device 100 is increased.

In some embodiments of the present invention, as shown in fig. 8 and fig. 9, the first portion 12 may further include a control mounting portion 124 and a power mounting portion 126, the power mounting portion 126 is fixed side by side with the control mounting portion 124, the control mounting portion 124 defines a control accommodating cavity 125, the power mounting portion 126 defines a power accommodating cavity 127, the driver 22 is accommodated in the control accommodating cavity 125, and the torque output motor 21 is accommodated in the power accommodating cavity 127. The torque output motor 21 and the driver 22 are respectively arranged in the control accommodating cavity 125 and the power accommodating cavity 127, so that the protection effect on the torque output motor 21 and the driver 22 can be further improved, the torque output motor 21 and the driver 22 are prevented from being collided and damaged, and the service life of the torque output motor is prolonged. In some embodiments of the present invention, a part of the torque transmission member 30 may also be disposed in the power receiving cavity 127 to protect the connection between the part of the torque transmission member 30 and the torque output motor 21.

In some embodiments, as shown in fig. 8 and 9, the propulsion device 100 further includes a thermal coupling portion 128, the thermal coupling portion 128 being secured between and thermally coupled to the control and

power mounting portions

124, 126.

The thermal coupling portion 128 can be thermally coupled to the control mounting portion 124 and the power mounting portion 126, the torque output motor 21 can exchange heat with a wall body of the control mounting portion 124 through air or cooling oil, the control mounting portion 124 can exchange heat with the external environment through the thermal coupling portion 128, the driver 22 can exchange heat with a wall body of the power mounting portion 126 through air or a cooling pipe, and the power mounting portion 126 can exchange heat with the external environment through the thermal coupling portion 128, so that heat dissipation of the control mounting portion 124 and the power mounting portion 126 through one thermal coupling portion 128 is achieved.

In some embodiments, as shown in fig. 6, the mounting frame 10 has a second portion 13, the second portion 13 is adapted to be in contact with a water stream, the torque output motor 21 and at least part of the torque transmission member 30 are disposed within the second portion 13, and the torque output motor 21 and at least part of the torque transmission member 30 are in heat exchange relationship with the second portion 13.

The second part 13 can exchange heat with the water flow of the water area, the torque output motor 21 and at least part of the torque transmission members 30 can exchange heat with the second part 13 through air or cooling medium, so that the torque output motor 21 and at least part of the torque transmission members 30 realize heat dissipation and temperature reduction through heat exchange with the water flow, the heat exchange mechanism 40 with limited heat dissipation capacity can be used for meeting the heat dissipation requirements of heating structures such as the torque output motor 21 and the like, and the cost of the heat exchange mechanism 40 is reduced.

In some embodiments, as shown in FIG. 6, a second heat exchange assembly 45 is provided on an outer surface of the second portion 13 and is adapted to exchange heat with the water stream, the second heat exchange assembly 45 also being adapted to exchange heat with the second portion 13.

The torque output motor 21, the driver 22 and at least a part of the torque transmission member 30 exchange heat with the second portion 13 through a medium such as air or cooling oil in the second portion 13, and the second heat exchange assembly 45 exchanges heat with the second portion 13 and the water flow, so that the second heat exchange assembly 45 can improve the heat exchange efficiency between the second portion 13 and the water flow, and further improve the heat exchange efficiency of the torque output motor 21, the driver 22 and at least a part of the torque transmission member 30 exchanging heat with the second portion 13.

In some embodiments, as shown in fig. 7, the second heat exchange assembly 45 includes a plurality of heat exchange fins 451, the plurality of heat exchange fins 451 are arranged side by side on the second portion 13, and the extending direction of the first flow guide groove 452 between adjacent heat exchange fins 451 is parallel to the propelling direction of the propelling paddle 23.

The extending direction of the first flow guide groove 452 between the plurality of heat exchange fins 451 is parallel to the propelling direction of the propelling paddle 23, and the water flow resistance of the heat exchange fins 451 can be reduced, so that the propelling performance of the propeller is ensured while the heat dissipation performance of the heat exchange fins 451 is ensured, the flowing speed of water flow from the first flow guide groove 452 can be increased, and the heat dissipation speed of the heat exchange fins 451 is increased. At the same time, the heat exchange fins 451 also have a lighter weight, so that the weight influence on the propeller can be reduced, and the cost can be reduced.

In some embodiments, as shown in fig. 7, the second heat exchange assembly 45 includes a plurality of heat exchange ribs 453, and the plurality of heat exchange ribs 453 surrounds the circumferential side of the mount 10 and corresponds to the torque output motor 21, the driver 22, and at least a part of the torque transmission member 30.

Torque output motor 21, driver 22 and at least partial torque transmission component 30 can carry out the heat exchange through the medium such as air or cooling oil of locating in the mounting bracket 10, mounting bracket 10 carries out the heat exchange with a plurality of heat exchange protruding muscle 453 of second heat exchange assembly 45 again, thereby realized with torque output motor 21, driver 22 and at least partial torque transmission component 30's heat transfer to heat exchange protruding muscle 453, heat exchange protruding muscle 453 then can be with heat transfer to external environment's air or rivers in again, make a plurality of heat exchange protruding muscle 453 of surrounding mounting bracket 10 week side also can realize the radiating effect, guaranteed the propulsive performance of propeller when guaranteeing heat exchange fin 451's radiating performance, and there is lighter weight, thereby also can reduce the weight influence to the propeller, and reduce cost.

In addition, in this embodiment, as shown in fig. 7, the plurality of heat exchange ribs 453 are distributed at intervals in the vertical direction and define the second guiding grooves 454, so that the extending direction of the second guiding grooves 454 is parallel to the propelling direction of the propelling paddle 23, interference of the heat exchange ribs 453 on the propelling paddle 23 can be prevented, the flowing speed of the water flow from the second guiding grooves 454 is increased, and further the heat dissipation speed of the heat exchange ribs 453 is increased.

In some embodiments, as shown in fig. 7, the side of the mounting bracket 10 defines a recessed area 15, and a portion of the heat exchanging rib 453 is positioned within the recessed area 15. The concave region 15 can increase both the heat radiation area and the heat conduction performance of the heat exchange rib 453.

In some embodiments, as shown in fig. 3, the second portion 13 is configured to be disposed in the water, the propulsion paddle 23 is disposed in the second portion 13, and at least a portion of the torque transmitting member 30 is disposed in the second receiving cavity 131.

The power driving of the propulsion paddle 23 is achieved by the torque transmission member 30 disposed in the second receiving cavity 131, so that the propulsion paddle 23 operates and provides propulsion power to the propulsion device 100.

In some embodiments, as shown in fig. 3, the second receiving cavity 131 contains the second heat-exchange fluid 62, and the second heat-exchange fluid 62 is used to cool at least a portion of the torque transmitting member 30.

The second heat exchange liquid 62 can exchange heat with the water flow in the water area through the mounting frame 10, so that the second heat exchange liquid 62 can be rapidly cooled, and further the low-temperature second heat exchange liquid 62 is formed and exchanges heat with the torque transmission member 30, thereby improving the heat exchange efficiency of at least one part of the torque transmission member 30 and the water flow in the water area.

In some embodiments, as shown in fig. 3, the torque output motor 21 and the driver 22 are located in the first receiving cavity 121, the torque transmission member 30 includes an underwater speed changing assembly 33 and a speed changing transmission shaft 32, the underwater speed changing assembly 33 is located in the second receiving cavity 131, one end of the speed changing transmission shaft 32 is connected to the output end of the torque output motor 21, one end of the underwater speed changing assembly 33 is connected to the other end of the speed changing transmission shaft 32, and the other end of the underwater speed changing assembly 33 is connected to the propulsion paddle 23.

The speed-changing transmission shaft 32 can conveniently transmit the power of the motor to the second accommodating cavity 131, and then transmit the power to the propelling paddles 23 through other structures of the first torque transmission member 30, so that different transmission structures of the speed-changing transmission shaft 32 connected with different propelling paddles 23 can be adjusted according to the transmission requirements of different propelling paddles 23, and the application range of the propeller is further expanded.

Because the speed change structure often also generates heat easily in the process of converting the torque rotation rate, after the underwater speed change assembly 33 is arranged in the second accommodating cavity 131 in this embodiment, the heat exchange efficiency between the second part 13 and the water flow is higher, so that the heat exchange efficiency between the second part 13 and the second heat exchange liquid 62 in the second accommodating cavity 131 is higher, the heat exchange efficiency between the underwater speed change assembly 33 and the second heat exchange liquid 62 is further improved, the speed change efficiency of the first underwater speed change assembly is further improved, and the propulsion performance of the propulsion paddle 23 is further improved.

Specifically, in the present embodiment, as shown in fig. 3, the underwater transmission assembly 33 includes two mutually engaged underwater transmission teeth 331, one underwater transmission tooth 331 is connected to the power output shaft 213 of the torque output motor 21, and the other underwater transmission tooth 331 is connected to the transmission shaft 32.

In some embodiments, as shown in fig. 3, the propulsion device 100 further includes a second protection plate 53, the second protection plate 53 divides the first receiving cavity 121 into a second electric control space 122 and a second heat exchanging space 123, the second heat exchanging space 123 is communicated with the second receiving cavity 131, the torque output motor 21 and a part of the torque transmission member 30 are disposed in the second heat exchanging space 123, a third heat exchanging liquid 63 is disposed in the second heat exchanging space 123 and the second receiving cavity 131, and the third heat exchanging liquid 63 is used for cooling the torque output motor 21 and the torque transmission member 30.

The second protection plate 53 can prevent the third heat exchange liquid 63 in the first heat exchange space 112 from entering the second electric control space 122, and prevent the third heat exchange liquid from damaging the driver 22, thereby prolonging the service life of the driver 22. The second protection plate 53 can also ensure the sealing performance of the second heat exchange space 123 and the second electric control space 122, and when one of the second heat exchange space 123 and the second electric control space 122 is accidentally filled with water, the other one of the second heat exchange space 123 and the second electric control space 122 can be ensured not to be affected, so that the service life of the motor and the driver 22 can be prolonged, and the maintenance for any one of the second heat exchange space and the second electric control space can be facilitated. In addition, the second heat exchanging space 123 and the second electric control space 122 also ensure that the torque output motor 21 and the driver 22 are respectively and stably installed in the first part 12, so as to avoid collision between the two.

In addition, since the second heat exchange space 123 is communicated with the second accommodating cavity 131, the water flow passing through the water area is convenient to exchange heat with the mounting frame 10, and then the mounting frame 10 exchanges heat with the third heat exchange liquid 63 in the second accommodating cavity 131, so that the cooling efficiency of the third heat exchange liquid 63 is improved, and further the heat exchange efficiency of the third heat exchange liquid 63 on the torque output motor 21 and the torque transmission member 30 is improved.

In some embodiments, as shown in fig. 3, the propulsion device 100 further includes a second control cable 26, the second control cable 26 is connected to the torque output motor 21 and the driver 22, the second protection plate 53 is provided with a second wire hole 54 and a second cable seal 73 tightly fitted to an inner peripheral side wall of the second wire hole 54, and the second control cable 26 passes through the second wire hole 54 and tightly fitted to the second cable seal 73. The second control cable 26 can facilitate the driver 22 to accurately and efficiently control the torque output motor 21, thereby adjusting the output power of the torque output motor 21; the cooperation of the second wire hole 54 and the second cable sealing member 73 can facilitate the connection of the second control cable 26 between the torque output motor 21 and the driver 22, and can still ensure the insulation between the second electric control space 122 and the second heat exchanging space 123. Of course, in other embodiments of the present application, the second control cable 26 may not be additionally provided, and the control between the driver 22 and the torque output motor 21 may be implemented through a wireless network, which is not particularly limited.

Specifically, the second cable seal 73 of the present embodiment may be a seal structure such as an oil seal or a packing.

In some embodiments, as shown in fig. 3, the second portion 13 includes a connecting frame 132 and a flow guide mount 133. A connecting bracket 132 is connected to the first part 12, and a speed change transmission shaft 32 is provided in the connecting bracket 132. The diversion installation member 133 is connected to the connection frame 132, the diversion installation member 133 is provided with a diversion accommodation space 1331, and the underwater speed changing assembly 33 is accommodated in the diversion accommodation space 1331.

The connecting frame 132 defines an extending space 1321, the extending space 1321 is communicated with the diversion accommodating space 1331 and the first accommodating cavity 121, the speed change transmission shaft 32 penetrates through the extending space 1321, the diversion accommodating space 1331 of the diversion installation part 133 can provide an accommodating space for the underwater speed change assembly 33, and the diversion installation part 133 can perform a diversion function on the second portion 13, so that resistance of the propulsion propeller 23 during movement of the propulsion installation frame 10 is reduced.

In addition, in this embodiment, the accommodating space of the connecting frame 132 may be communicated with the first accommodating cavity 121, so that the torque output motor 21, the speed change transmission shaft 32 and the underwater speed change assembly 33 may be cooled synchronously by the cooling medium embedded in the first accommodating cavity 121, and the heat exchange efficiency of the torque output motor 21, the speed change transmission shaft 32 and the underwater speed change assembly 33 may be improved by heat exchange with the mounting frame 10 through water flow in a water area. The accommodating space of the connecting frame 132 may be isolated from the first accommodating cavity 121, so that when the diversion accommodating space 1331 is accidentally filled with water, it is ensured that water does not enter the first accommodating cavity 121 from the diversion accommodating space 1331, thereby improving the reliability of the propeller.

In addition, in the embodiment, the accommodating space of the connecting frame 132 and the guiding accommodating space 1331 define the second accommodating cavity 131 together.

In some embodiments, as shown in fig. 3, the propulsion device 100 further includes a tail shaft 24, one end of the tail shaft 24 is connected to the torque transmission member 30, the second portion 13 defines a tail shaft hole 134, an inner peripheral sidewall of the tail shaft hole 134 is sealingly engaged with a tail shaft sealing member 71, the tail shaft 24 passes through the tail shaft hole 134 and is sealingly engaged with the tail shaft sealing member 71, and the tail shaft 24 is connected to the propulsion propeller 23.

When torque output motor 21 transmits power to torque transmission member 30 to make torque transmission member 30 rotate integrally, and then transmit power to tail shaft 24, thereby transmit the rotation torque to tail shaft 24, and then realize the rotation of propulsion oar 23, propulsion oar 23 can push water when the rotation in the water area, thereby make water play the propulsive effect to the propeller. The tail shaft hole 134 can facilitate the connection of the torque transmission member 30 and the tail shaft 24, so as to realize the rotation propulsion of the propulsion propeller 23, and meanwhile, the tail shaft sealing element 71 can prevent water in a water area from entering the second accommodating cavity 131 through the tail shaft hole 134, so as to improve the sealing performance of the second part 13, prevent the second heat exchange liquid 62 from leaking, prevent the water from corroding the torque transmission member 30, and prolong the service life of the torque transmission member 30.

Specifically, the tail shaft seal 71 of the present embodiment may be a seal structure such as an oil seal or a seal ring.

In some embodiments, as shown in fig. 6, the torque output motor 21, the driver 22, and the torque transmitting member 30 are all located in the second housing cavity 131.

By disposing the torque output motor 21, the driver 22 and the torque transmission member 30 in the second receiving cavity 131, the transmission stroke of the torque transmission member 30 can be reduced, and the torque transmission efficiency of the torque transmission member 30 can be improved. Meanwhile, the water flow temperature of the water area is usually lower than the air temperature, and the heat exchange between the water flow and the second part 13 can also ensure that a better heat dissipation effect is provided for the torque output motor 21, the driver 22 and the torque transmission member 30 which are integrated in the second accommodating cavity 131.

In some embodiments, as shown in fig. 6, the second portion 13 is provided with a third prevention plate 55, the third prevention plate 55 divides the internal space 11 into a third electric control space 1311 and a third heat exchange space 1312, the torque output motor 21 and the torque transmission member 30 are accommodated in the third heat exchange space 1312, and the driver 22 is accommodated in the third electric control space 1311.

When the torque output motor 21 and the torque transmission member 30 operate in the third heat exchange space 1312, the third heat exchange space 1312 is often filled with operation media, and the third prevention plate 55 can prevent the operation media in the third heat exchange space 1312 from entering the third electric control space 1311 and damaging the driver 22, so that the service life of the driver 22 is prolonged. The third protection plate 55 can also ensure the sealing performance of the third heat exchange space 1312 and the third electric control space 1311, and when one of the third heat exchange space 1312 and the third electric control space 1311 is accidentally filled with water, the other one of the third heat exchange space 1312 and the third electric control space 1311 can be ensured not to be affected, so that the service lives of the motor and the driver 22 can be prolonged, and the maintenance for any one of the third heat exchange space 1312 and the third electric control space 1311 can be facilitated. In addition, the third heat exchanging space 1312 and the third electric control space 1311 can also ensure that the torque output motor 21 and the driver 22 are respectively and stably installed in the second part 13, so as to avoid collision between the two.

In some embodiments, as shown in fig. 6, the propulsion device 100 further comprises a third control cable 27, the third control cable 27 is connected with the torque output motor 21 and the driver 22, the third protection plate 55 is provided with a third wire hole 56 and a third cable seal 74 tightly matched with the inner peripheral side wall of the third wire hole 56, and the third control cable 27 passes through the third wire hole 56 and is tightly matched with the third cable seal 74.

The third control cable 27 can facilitate the driver 22 to accurately and efficiently control the torque output motor 21, thereby adjusting the output power of the torque output motor 21; the cooperation of the third wire hole 56 and the third cable seal 74 can facilitate the connection of the third control cable 27 between the torque output motor 21 and the driver 22, and can still ensure the isolation between the third electrical control space 1311 and the third heat exchanging space 1312. Of course, in other embodiments of the present application, the third control cable 27 may not be additionally provided, and the control between the driver 22 and the torque output motor 21 may be implemented through a wireless network, which is not particularly limited.

Specifically, the third cable seal 74 of the present embodiment may be provided as a seal structure such as an oil seal or a packing.

In some embodiments, as shown in fig. 5, the mounting rack 10 is provided with a water pressure plate 14, the water pressure plate 14 has a water pressure accommodating space 141, the water pressure accommodating space 141 is communicated with the inner space 11, the water pressure plate 14 is used for contacting with the water flow of the water area, the driver 22 is fixed in the water pressure accommodating space 141 and electrically connected to the torque output motor 21 to control the operation of the torque output motor 21, and the driver 22 exchanges heat with the water flow through the water pressure plate 14.

When the propeller operates, the mounting frame 10 extends into water, the water pressing plate 14 is located on the water surface P of the water area, the water flow of the water area can exchange heat with the water pressing plate 14, and then exchange heat with the driver 22 located in the water pressing plate 14, so that heat generated by the driver 22 in the operation process of the control motor is effectively reduced, and the heat dissipation effect of the driving structure of the propeller is improved. It can be understood that the water pressing plate 14 can press the water waves stirred by the propelling paddles 23, and the wave energy is reduced, i.e. the energy consumption is reduced, so that the propelling efficiency of the propeller is higher. The propeller of this embodiment realizes the heat exchange through the pressurized-water plate 14 that is located the surface of water department in waters, the velocity of water of pressurized-water plate 14 department is great, rivers dispel the heat to pressurized-water plate 14 fast, make driver 22's heat exchange efficiency higher, need not additionally set up cooling system such as water pump or oil pump, under the prerequisite of guaranteeing driver 22 radiating effect, manufacturing cost has been reduced, the volume and the weight of propeller have been reduced, thereby improve the user experience of propeller. In addition, compared with the existing solid wave pressing structure, the change of the first inner space 11 formed in the water pressing plate 14 in the embodiment is small, so that the water waves stirred by the propelling paddles 23 can be pressed by the water pressing plate 14, the energy waste is reduced, the heat dissipation effect of the driver 22 can be further improved, and the propelling efficiency of the propeller is improved. Therefore, the propeller of the embodiment has the advantages of simple installation and high heat dissipation efficiency, and cannot influence the performance of the propeller, so that the propulsion performance and the heat dissipation performance are considered.

In some embodiments, as shown in fig. 5, a heat exchange channel 142 is formed on a side of the water pressure plate 14 close to the water area, the heat exchange channel 142 is isolated from the water pressure accommodating space 141, and the heat exchange channel 142 is used for flowing water in the water area so that the water pressure plate 14 exchanges heat with the water flow.

Since the propulsion device 100 is usually located in a water area during operation, the water flow in the water area can be effectively utilized through the heat exchange channel 142, so that the water pressure plate 14 can exchange heat with the water flow, heat generated by the torque output motor 21 and the driver 22 can be more efficiently transferred to the water area, and the heat dissipation effect of the torque output motor 21 and the driver 22 can be improved.

In some embodiments, as shown in fig. 5, the water pressure plate 14 is provided with a heat exchanging pipe 143 in the water pressure accommodating space 141, the heat exchanging pipe 143 is in contact with the actuator 22, the heat exchanging pipe 143 is for thermally coupling with the actuator 22, and the heat exchanging pipe 143 communicates with the heat exchanging flow passage 142 to transfer the flow of water conveyed by the heat exchanging flow passage 142.

It can be understood that the water flow conveyed in the heat exchange flow channel 142 can exchange heat with the heat exchange tube 143, and the driver 22 can exchange heat with the heat exchange tube 143, so as to realize heat exchange between the driver 22 and the water flow, improve the heat exchange efficiency of the driver 22, and facilitate to improve the rated power of the driver 22, thereby improving the propulsion efficiency of the propulsion device 100.

In some embodiments, there are a plurality of heat exchange flow channels 142, and the plurality of heat exchange flow channels 142 are distributed side by side.

The plurality of heat exchange flow channels 142 can achieve an even cooling effect on the side portion of the water pressing plate 14, and further can perform an even heat exchange effect with each portion of the torque output motor 21 and the driver 22, so that the problem that the local temperature of the torque output motor 21 and the driver 22 is too high is avoided, and the temperature consistency of the torque output motor 21 and the driver 22 is good.

In some embodiments, as shown in fig. 2 and 5, the driver 22 is located in the pressurized water accommodating space 141 away from the inner surface of the propulsion paddle 23, or the driver 22 is located in the pressurized water accommodating space 141 close to the inner surface of the propulsion paddle 23.

The installation position of the actuator 22 in the pressurized water accommodating space 141 can be adjusted according to the arrangement of the heat exchange mechanism 40 at the pressurized water plate 14.

As shown in fig. 5, when the driver 22 is located in the pressurized water accommodating space 141 and away from the inner surface of the propulsion paddle 23, when the ship body travels, the water waves at the tail of the ship body are raised and then sprinkled on the side wall of the pressurized water plate 14 away from the propulsion paddle 23 from top to bottom, so that heat exchange of the driver 22 is realized through heat exchange between the water waves and the pressurized water plate 14.

As shown in fig. 2, when the driver 22 is located in the pressurized water accommodating space 141 close to the inner surface of the propeller 23, since the pressurized water plate 14 is usually located at the water surface, the sidewall of the pressurized water plate 14 close to the propeller 23 is immersed in the water, and can also exchange heat with the pressurized water plate 14 through the water flow in the water, and further exchange heat with the driver 22.

In some embodiments, as shown in fig. 8 and 9, the propulsion device 100 further includes a steering gear 80, the steering gear 80 is connected to the mounting frame 10, and the steering gear 80 is used for driving the mounting frame 10 to steer. The steering transmission mechanism 80 can drive the mounting rack 10 to steer, and the mounting rack 10 can drive the propeller 23 to steer after steering, so that the control of the propulsion direction of the propulsion device 100 is realized.

In some embodiments, the heat exchange mechanism 40 is also used to cool the steering gear mechanism 80.

The mounting frame 10 has a certain weight, the steering transmission mechanism 80 drives the mounting frame 10 to drive the ship body 200 to rotate, and the heat exchange mechanism 40 in this embodiment can also cool the steering transmission mechanism 80, so as to improve the integration of the heat exchange mechanism 40 of the propulsion device 100.

In some embodiments, as shown in fig. 8 and 9, the steering gear mechanism 80 includes a steering power member 81 and a steering linkage 82. One end of the steering connecting piece 82 is connected with the output end of the steering power piece 81, the other end of the steering connecting piece 82 is connected with the mounting frame 10, the steering connecting piece 82 extends along the rotating direction of the output end of the steering power piece 81, the steering power piece 81 is used for driving the steering connecting piece 82 to rotate so as to drive the mounting frame 10 to rotate, and the rotating axis of the steering connecting piece 82 is parallel to the rotating direction.

It is understood that the steering linkage 82 may be fixedly connected to the mounting frame 10, so that the steering linkage 82 rotates to drive the mounting frame 10 to rotate, and finally, the propelling direction of the propelling device 100 is steered. In addition, in this embodiment, the mounting frame 10 can be divided into a connecting portion and a mounting portion, the connecting portion is used for connecting the hull 200, the mounting portion defines the inner space 11, the mounting portion can be rotatably connected with the connecting portion, one end of the steering connecting member 82 is fixedly connected with the connecting portion, the other end of the steering connecting member is fixedly connected with the mounting portion, the mounting portion is driven to rotate by the steering connecting member 82, and finally the propelling direction of the propelling device 100 is steered.

Specifically, the heat exchange mechanism 40 may include an external steering cooling component and/or an internal steering cooling component, and the external steering cooling component is disposed outside the steering transmission mechanism 80, and may be, for example, a fan, a heat dissipation fin, or the like. When the heat exchange mechanism 40 comprises a built-in steering cooling assembly, the steering transmission mechanism 80 comprises a shell, at least parts of the steering power part 81 and the steering connecting piece 82 can be arranged in the shell, the shell is limited to a steering cooling cavity, steering cooling oil liquid can be introduced into the steering cooling cavity, or a steering cooling water pipe is arranged between the outer surface and the inner surface of the shell, so that cooling water is introduced into the steering cooling water pipe, and therefore the steering power part 81 and the steering connecting piece 82 can exchange heat with the shell through the steering cooling oil liquid or the cooling water, and the cooling effect on the steering transmission mechanism 80 is achieved.

In some embodiments, as shown in fig. 8 and 9, the steering link 82 includes a steering link 821 and a steering and speed-changing mechanism 822, the steering and speed-changing mechanism 822 is connected to the steering power member 81, one end of the steering link 821 is connected to the steering and speed-changing mechanism 822, and the other end of the steering link 821 is connected to the mounting bracket 10 for driving the mounting bracket 10 to steer.

The steering gear box 822 can increase or decrease the steering speed of the propulsion device 100 and adjust the torque direction output by the steering power member 81 according to actual requirements, so that the rotation axis of the steering connecting member 82 can be parallel to the rotation direction of the propulsion device 100, and the steering connecting shaft 821 can facilitate the output power of the steering power member 81 to be transmitted to the steering gear box 822.

In some embodiments, as shown in fig. 8 and 9, the steering power member 81 includes a rotation driving motor 811, the rotation driving motor 811 outputs torque to a steering transmission mechanism 822, and the steering transmission mechanism 822 is configured to output the torque of the rotation driving motor 811 to the steering connection shaft 821 after changing the rotation speed. The torque output by the rotational drive motor 811 is stable and reliable, and the steering energy cost of the propulsion device 100 can be reduced.

In some embodiments, as shown in fig. 8 and 9, the steering gear 822 includes two speed gears 8221 engaged with each other, and in other embodiments of the present invention, the steering gear 822 may further include a planetary gear structure, a timing belt structure, and other various speed-changing structures.

Although the present application has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present application.

Claims

1. A propulsion device, comprising:

a mounting bracket defining an interior space;

the torque output motor and the driver are arranged in the inner space, and the driver is electrically connected with the torque output motor so as to control the torque output motor to drive the propulsion paddle to rotate;

the heat exchange mechanism is arranged on the mounting rack and comprises a first heat exchange assembly and a second heat exchange assembly, the first heat exchange assembly is used for being thermally coupled with the torque output motor and the driver, and the second heat exchange assembly is thermally coupled with the first heat exchange assembly and conducts heat of the first heat exchange assembly to the outside.

2. The propulsion device of claim 1, further comprising a torque transmission member, wherein one end of the torque transmission member is directly connected to the output end of the torque output motor, the other end of the torque transmission member extends out of the mounting bracket, and one end of the torque transmission member extending out of the mounting bracket is connected to the propulsion paddle.

3. The propulsion device of claim 2, wherein the first heat exchange assembly is disposed on the mounting bracket, the first heat exchange assembly configured to dissipate heat from the mounting bracket, the mounting bracket configured to absorb heat from the torque output motor, the driver, and the torque transmission member.

4. A propulsion device as claimed in claim 3 wherein the mounting frame is provided with a first guard plate dividing the interior space into a first electrical control space and a first heat exchange space, the torque output motor and the torque transmission member being received in the first heat exchange space, and the driver being received in the first electrical control space.

5. A propulsion device according to claim 4, wherein a portion of the first heat exchange space is located underwater, the portion of the first heat exchange space located underwater being adapted to receive a first heat exchange fluid, the first heat exchange assembly including a circulating heat exchange member adapted to draw a portion of the first heat exchange fluid for delivery to the torque output motor and at least a portion of the torque transmission member.

6. A propulsion device according to claim 5, characterised in that the circulating heat exchange means comprises a heat exchange pump, a receiving tube and a heat exchange tube, one end of the receiving tube being immersed by the first heat exchange fluid, the other end of the receiving tube communicating with the heat exchange pump, one end of the heat exchange tube facing the torque output motor and at least part of the torque transmission means, the other end of the heat exchange tube communicating with the heat exchange pump, the heat exchange pump being adapted to draw the first heat exchange fluid through the receiving tube and to deliver it through the heat exchange tube to the torque output motor and at least part of the torque transmission means.

7. The propulsion device of claim 2, wherein the first heat exchange assembly is disposed in the interior space and the second heat exchange assembly is disposed on an outer surface of the mounting frame, the first heat exchange assembly configured to exchange heat from the torque output motor, the driver, and the torque transmission member to the mounting frame, and the second heat exchange assembly configured to exchange heat from the mounting frame to the ambient environment.

8. The propulsion device of claim 7, wherein the mounting bracket has a first portion for contacting air, the second heat exchange assembly is disposed on an outer surface of the first portion, the torque output motor, the driver and at least a portion of the torque transmission member are disposed in the interior space at a location corresponding to the first portion, the torque output motor, the driver and at least a portion of the torque transmission member are configured to exchange heat with the mounting bracket, the mounting bracket is configured to transfer heat to the second heat exchange assembly, and the second heat exchange assembly is further configured to exchange heat with an air stream to cool the torque output motor, the driver and at least a portion of the torque transmission member.

9. The propulsion device as claimed in claim 8 wherein the mounting has a second portion for contact with the water flow of the body of water, the torque output motor and at least part of the torque transmission member being disposed within the second portion, the torque output motor and at least part of the torque transmission member being heat exchangeable with the second portion.

10. The propulsion device as claimed in claim 9 wherein the second heat exchange assembly is provided on an outer surface of the second portion and is adapted to exchange heat with the water flow, the second heat exchange assembly also being adapted to exchange heat with the second portion.

11. The propulsion device as claimed in claim 1, wherein the mounting frame is provided with a water pressing plate, the water pressing plate is provided with a water pressing accommodating space, the water pressing accommodating space is communicated with the inner space, the water pressing plate is used for contacting with water flow in a water area, the driver is fixed in the water pressing accommodating space and electrically connected with the torque output motor so as to control the torque output motor to operate, and the driver exchanges heat with the water flow through the water pressing plate.

12. The propulsion device as claimed in claim 11, wherein a heat exchange channel is formed in a side of the water pressing plate close to the water area, the heat exchange channel is isolated from the water pressing accommodating space, and the heat exchange channel is used for water flowing into the water area so that the water pressing plate and the water flow exchange heat.

13. The propulsion device of claim 1, wherein the mounting bracket includes a first portion, the first portion includes a control mounting portion and a power mounting portion, the power mounting portion with the control mounting portion is fixed side by side, the control mounting portion defines a control housing chamber, the power mounting portion defines a power housing chamber, the driver housing chamber is received in the control, the torque output motor housing chamber is received in the power housing chamber.

14. A propulsion device as claimed in claim 13 further comprising a thermal coupling portion secured between and thermally coupled with the control and power mounting portions.

15. The propulsion device of claim 2, wherein the mounting bracket includes a second portion defining a second receiving cavity for being disposed in the water, the propulsion paddle being disposed in the second portion, at least a portion of the torque transmission member being disposed in the second receiving cavity.

16. The propulsion device of claim 1, further comprising a steering gear coupled to the mounting frame, the steering gear configured to drive the mounting frame in a steering direction.

17. A propulsion device according to claim 16, characterised in that the steering transmission comprises:

a steering power member;

the connecting piece turns to, turn to the one end of connecting piece with the output of turning to the power spare is connected, the other end with the mounting bracket is connected, turn to the connecting piece and follow the direction of rotation of the output of turning to the power spare extends, it is used for the drive to turn to the power spare turn to the connecting piece and rotate in order to drive the mounting bracket rotates, the axis of rotation that turns to the connecting piece is on a parallel with the direction of rotation.

18. A water area movable apparatus, comprising:

a hull;

the propulsion device of any one of claims 1 to 17, mounted to the hull.