Power device, propeller and water area movable equipment

Abstract

A power device (100), a propeller (300), and a water area mobile device (1000). The power device (100) comprises a driving mechanism (10) and a heat dissipation mechanism (20). The heat dissipation mechanism (20) comprises a heat exchanger (21), a first heat dissipation assembly (23) and a second heat dissipation assembly (25), the first heat dissipation assembly (23) is used for driving a cooling medium to flow so as to cool the driving mechanism (10), and the second heat dissipation assembly (25) is used for driving external cooling liquid to flow so as to cool the cooling medium.

Description

Technical Field

[0001] The present application relates to the field of power technology for mobile equipment in water areas, and in particular to a power device, a propeller and a mobile equipment in water areas. Background Art

[0002] Ships, such as yachts, speedboats and sailboats, etc., usually use a driving device (such as an electric motor or engine, etc.) to provide a power source so that the ship can move on the water surface. Among them, the driving device will generate a lot of heat when working. If it cannot be dissipated in time, the driving device is easily damaged and affects the normal operation of the ship. In the related art, a waterway is provided in the driving device, and the ship can directly draw external natural water such as seawater into the waterway to absorb the heat generated by the driving device, and take away the heat when the external natural water such as seawater flows out of the waterway, thereby realizing water cooling and heat dissipation of the driving device. However, due to the presence of impurities such as microorganisms in external natural water such as seawater, during long-term use, the impurities are easily attached to the surface of the waterway or even blocked the waterway, thereby affecting the absorption effect of the external natural water on the heat generated by the driving device, that is, resulting in a decrease in cooling efficiency, and then resulting in a decrease in the stability of the ship's operation. Summary of the invention

[0003] The embodiments of the present application provide a power device, a propeller, and a movable device in water areas.

[0004] The power device provided in the embodiment of the present application includes a driving mechanism and a heat dissipation mechanism. The driving mechanism includes an electronic control component, a driving member and a reducer. The electronic control component is electrically connected to the driving member and is used to control the operation of the driving member. The driving member is connected to the reducer, and the reducer is used to transmit the driving force of the driving member to the outside. The heat dissipation mechanism includes a heat exchanger, a first heat dissipation component and a second heat dissipation component. The first heat dissipation component is used to drive the cooling medium to flow between the heat exchanger and the driving mechanism, and the cooling medium is used to cool the driving mechanism. The second heat dissipation component is used to drive the external coolant to flow between the outside and the heat exchanger. The external coolant is used to cool the cooling medium and non-contact heat exchange with the cooling medium in the heat exchanger.

[0005] The thruster provided in the embodiment of the present application includes a power device, and the power device includes a driving mechanism and a heat dissipation mechanism. The driving mechanism includes an electronic control component, a driving member and a reducer, the electronic control component is electrically connected to the driving member and is used to control the operation of the driving member, the driving member is connected to the reducer, and the reducer is used to transmit the driving force of the driving member to the outside. The heat dissipation mechanism includes a heat exchanger, a first heat dissipation component and a second heat dissipation component, the first heat dissipation component is used to drive the cooling medium to flow between the heat exchanger and the driving mechanism, the cooling medium is used to cool the driving mechanism, and the second heat dissipation component is used to drive the external coolant to flow between the outside and the heat exchanger, the external coolant is used to cool the cooling medium, and non-contact heat exchange with the cooling medium in the heat exchanger.

[0006] The embodiment of the present application provides a movable device in water area, the movable device in water area includes a body and a propeller, the propeller is loaded on the body. The propeller includes a power device, the power device includes a driving mechanism and a heat dissipation mechanism. The driving mechanism includes an electronic control component, a driving member and a reducer, the electronic control component is electrically connected to the driving member and is used to control the operation of the driving member, the driving member is connected to the reducer, and the reducer is used to transmit the driving force of the driving member to the outside. The heat dissipation mechanism includes a heat exchanger, a first heat dissipation component and a second heat dissipation component, the first heat dissipation component is used to drive the cooling medium to flow between the heat exchanger and the driving mechanism, the cooling medium is used to cool the driving mechanism, the second heat dissipation component is used to drive the external coolant to flow between the outside and the heat exchanger, the external coolant is used to cool the cooling medium, and non-contact heat exchange with the cooling medium in the heat exchanger.

[0007] In the power device, propeller and movable device in water area of ​​the present application, the heat dissipation mechanism includes a heat exchanger, a first heat dissipation component and a second heat dissipation component. The first heat dissipation component is used to drive the cooling medium to flow between the heat exchanger and the driving mechanism to cool the driving mechanism. The second heat dissipation component is used to drive the external coolant to flow between the outside and the heat exchanger, and to perform non-contact heat exchange with the cooling medium in the heat exchanger to cool the cooling medium. Therefore, compared with the traditional external coolant that directly cools and dissipates the heat of the driving mechanism, the impurities in the external coolant in the present application will not affect the cooling effect of the cooling medium, thereby ensuring the heat dissipation efficiency of the heat dissipation mechanism on the driving mechanism and improving the stability of the movement of the movable device in water area.

[0008] Additional aspects and advantages of the embodiments of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the embodiments of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0010] Figure 1 is a schematic diagram of the three-dimensional structure of a power device in certain embodiments of the present application;

[0011] Figure 2 yes Figure 1 A schematic diagram of a three-dimensional structure of a part of the structure of the power device shown in one of the viewing angles;

[0012] Figure 3 yes Figure 1 A schematic diagram of a three-dimensional structure of a part of the power device shown in another perspective;

[0013] Figure 4 yes Figure 1 A schematic diagram of the three-dimensional structure of the electronic control component of the driving mechanism in the power device shown;

[0014] Figure 5 yes Figure 4 A three-dimensional exploded schematic diagram of the electronic control component shown;

[0015] Figure 6 yes Figure 1 A schematic diagram of the three-dimensional structure of a driving member of a driving mechanism in a power device shown;

[0016] Figure 7 yes Figure 6 A schematic cross-sectional structure diagram of a driving housing in the driving member shown;

[0017] Figure 8 yes Figure 6 A perspective view of the drive housing in the drive member shown;

[0018] Fig. 9 yes Figure 1 A schematic diagram of the three-dimensional structure of a reducer of a driving mechanism in a power device shown;

[0019] Fig.10 yes Fig. 9 A perspective exploded schematic diagram of a reducer from one perspective is shown;

[0020] Fig.11 yes Fig. 9 A three-dimensional exploded schematic diagram of the reducer from another perspective;

[0021] Fig.12 yes Fig. 9 The schematic cross-sectional structure diagram of the reducer shown;

[0022] Fig.13 yes Figure 1A schematic diagram of the three-dimensional structure of a heat exchanger of a heat dissipation mechanism in a power device shown;

[0023] Fig.14 yes Fig.13 A three-dimensional exploded schematic diagram of the heat exchanger shown;

[0024] Fig.15 yes Fig.13 A schematic cross-sectional structure diagram of a heat exchanger shown;

[0025] Fig.16 yes Fig.13 Another exploded perspective view of the heat exchanger shown;

[0026] Fig.17 It is a schematic diagram of the structure of a movable device in water area according to certain embodiments of the present application. DETAILED DESCRIPTION

[0027] The following further describes the embodiments of the present application in conjunction with the accompanying drawings. The same or similar reference numerals in the accompanying drawings represent the same or similar elements or elements with the same or similar functions.

[0028] In addition, the embodiments of the present application described below in conjunction with the drawings are exemplary and are only used to explain the embodiments of the present application and should not be construed as limiting the present application.

[0029] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0030] See also Figure 1 and Figure 2The power device 100 provided in the embodiment of the present application includes a driving mechanism 10 and a heat dissipation mechanism 20. The driving mechanism 10 includes an electronic control component 11, a driving member 13 and a reducer 15. The electronic control component 11 is electrically connected to the driving member 13 and is used to control the operation of the driving member 13. The driving member 13 is connected to the reducer 15, and the reducer 15 is used to transmit the driving force of the driving member 13 to the outside. The heat dissipation mechanism 20 includes a heat exchanger 21, a first heat dissipation component 23 and a second heat dissipation component 25. The first heat dissipation component 23 is used to drive the cooling medium to flow between the heat exchanger 21 and the driving mechanism 10, and the cooling medium is used to cool the driving mechanism 10. The second heat dissipation component 25 is used to drive the external coolant to flow between the outside and the heat exchanger 21. The external coolant is used to cool the cooling medium and non-contact heat exchange with the cooling medium in the heat exchanger 21.

[0031] Please combine Figure 4In some embodiments, the electric control component 11 is a device for controlling the operation of the driver 13. In the present application, controlling the operation of the driver 13 means that the electric control component 11 can control the start and stop, speed and torque of the driver 13. Among them, the electric control component 11 may include an electric control housing 111 and an electric control component 113, and the electric control housing 111 is provided with a receiving chamber 1114. The electric control component 113 is arranged in the receiving chamber 1114, and the electric control component 113 is used to control the operation of the driver 13, and the cooling medium is used to cool the electric control component 113. In this embodiment, the electric control component 113 includes a central control unit and a driving unit, the central control unit is electrically connected to the driving unit to manage and control the operation of the driving unit, and the driving unit is electrically connected to the driving component 13 to control the operation of the driving component 13. The central control unit is also used to be electrically connected to the remote communication terminal, the control terminal and the energy terminal to manage and control the operation of the remote communication terminal, the control terminal and the energy terminal, and interact with the communication terminal, the control terminal and the energy terminal to realize multi-module collaborative operation. Among them, the remote communication terminal is a communication module for communicating with an external terminal device, or a cloud server, or a network data terminal; the remote communication terminal can be set in the electric control component 113, or it can be set outside the electric control component 113 and connected to the electric control component 113 via a cable; the control terminal is a control module for receiving user control instructions and feeding back the control status to the user. The control terminal can be set in the control console of the ship. The control terminal can be, for example, a part or a combination of devices such as a steering wheel, an electronic throttle lever and a touch screen. The energy terminal is an energy module for providing electric energy to other multiple modules such as a power device, a control terminal, and a communication terminal. The energy terminal can be, for example, a part or a combination of devices such as a lithium battery, a hydrogen battery, a generator, a solar cell, and a wind power generation. Specifically, when the first heat dissipation component 23 drives the cooling medium to flow between the heat exchanger 21 and the drive mechanism 10, the cooling medium can flow through the electric control component 113 to achieve cooling and heat dissipation of the electric control component 113, thereby preventing the electric control component 113 from being damaged due to overheating, thereby improving the working stability of the drive mechanism 10. In addition, the arrangement of the electric control housing 111 can prevent external impurities such as water or dust from directly contacting the electric control component 113 and causing damage to the electric control component 113, thereby ensuring the normal operation of the electric control component 113 and extending the service life of the electric control component 113.

[0032] The driving element 13 is a device that can convert electrical energy into mechanical energy and output the mechanical energy to the outside. Figure 6 In the present application, the driving member 13 includes a driving body 131 and a driving housing 133. The driving body 131 is connected to the reducer 15, and the reducer 15 reduces and increases the torque output by the driving body 131. The driving housing 133 is sleeved on the driving body 131, and the cooling medium passes through the driving housing 133 to cool the driving body 131.

[0033] Specifically, when the first heat dissipation component 23 drives the cooling medium to flow between the heat exchanger 21 and the drive mechanism 10, the cooling medium can flow in the drive housing 133 to achieve cooling and heat dissipation of the drive body 131, thereby preventing the drive body 131 from being damaged due to overheating during operation of the drive member 13, thereby improving the working stability of the drive mechanism 10. It should be noted that, in some embodiments, the drive member 13 may be a motor. Among them, the motor includes but is not limited to a DC servo motor, an AC servo motor, and a stepper motor.

[0034] In addition, in some embodiments, the electric control housing 111 can be connected to the drive housing 133, that is, the electric control component 11 can be designed as an integrated unit with the drive member 13. Therefore, compared with the electric control housing 111 and the drive housing 133 being separately arranged, the overall size of the electric control component 11 and the drive member 13 is smaller, which can reduce the volume of the drive mechanism 10 on the one hand, which is conducive to the miniaturization of the power device 100; on the other hand, it can reduce the distance between the electric control component 11 and the drive member 13, thereby reducing the time required for the cooling medium to flow between the electric control component 11 and the drive member 13, thereby improving the cooling efficiency of the heat dissipation mechanism 20 on the drive mechanism 10. It should be noted that, in some embodiments, the electric control housing 111 can be connected to the drive housing 133 by one or more of the connection methods such as bolt connection, snap connection, bonding or welding.

[0035] The reducer 15 is a device for reducing the speed of the driving member 13 and increasing the torque. Fig. 9 and Fig.10 In the present application, the reducer 15 includes a reduction housing 151 and a reduction body 153. The reduction body 153 is installed in the reduction housing 151 and connected to the driving body 131. The cooling medium is also used to cool the reduction body 153.

[0036] Specifically, when the first heat dissipation component 23 drives the cooling medium to flow between the heat exchanger 21 and the driving mechanism 10, the cooling medium can flow in the reduction housing 151 to achieve cooling and heat dissipation of the reduction body 153, thereby preventing the reduction body 153 from overheating and causing damage during operation of the reducer 15, thereby improving the working stability of the driving mechanism 10.

[0037] In some embodiments, the reducer 15 and the driving member 13 can be coaxially connected (i.e., the central axis of the output shaft of the driving member 13 coincides with the central axis of the rotating shaft 1533 of the reducer 15), thereby improving the coaxial accuracy of the connection between the driving member 13 and the reducer 15, and improving the working stability of the driving mechanism 10. In addition, in some embodiments, the reduction housing 151 is connected to the driving housing 133, that is, the reducer 15 can be designed as an integrated unit with the driving member 13. Therefore, compared with the separate arrangement of the reducer 15 and the driving member 13, the overall size of the reducer 15 and the driving member 13 is smaller, thereby, on the one hand, the volume of the driving mechanism 10 can be reduced, which is conducive to the miniaturization of the power device 100; on the other hand, the distance between the reducer 15 and the driving member 13 can be reduced, thereby reducing the time required for the cooling medium to flow between the reducer 15 and the driving member 13, thereby improving the cooling efficiency of the heat dissipation mechanism 20 on the driving mechanism 10. It should be noted that, in some embodiments, the reduction housing 151 and the driving housing 133 may be connected by one or more connection methods such as bolt connection, snap connection, bonding or welding.

[0038] In some embodiments, the heat exchanger 21 is a device that can transfer part of the heat of a hot fluid to a cold fluid. The heat exchanger 21 is usually composed of a series of pipes, plates or other forms of heat transfer surfaces, and the heat of the hot fluid can be transferred to the cold fluid through the heat transfer surface, thereby achieving heat transfer and balance. In the present application, the heat exchanger 21 can transfer the heat in the cooling medium to the external coolant, so that the external coolant cools the cooling medium. Specifically, after the cooling medium cools the drive mechanism 10, the temperature of the cooling medium rises, that is, the cooling medium flowing into the heat exchanger 21 is a hot fluid, and the temperature of the external coolant flowing into the heat exchanger 21 from the outside is lower than the cooling medium, that is, the external coolant flowing into the heat exchanger 21 from the outside is a cold fluid, and the external coolant and the cooling medium can exchange heat in the heat exchanger 21 in a non-contact manner, thereby, the external coolant can cool the cooling medium, so that the cooling medium flowing out of the heat exchanger 21 becomes a cold fluid again, thereby ensuring that the cooling medium can cool the drive mechanism 10.

[0039] Among them, non-contact heat exchange can be: the external coolant and the cooling medium do not contact each other in the heat exchanger 21 and can achieve heat transfer. For example, in the case where there are multiple pipes in the heat exchanger 21, the external coolant can be located in the pipe, and the cooling medium is located outside the pipe, so that the external coolant and the cooling medium can achieve heat transfer through the surface of the pipe.

[0040] The cooling medium includes but is not limited to water, coolant or cooling gas, etc. Among them, the coolant includes but is not limited to ethylene glycol or propylene glycol, etc.; the cooling gas includes but is not limited to ammonia or hydrogen, etc. In the present application, there are fewer impurities in the cooling medium or even no impurities. Therefore, when the cooling medium flows between the heat exchanger 21 and the driving mechanism 10, the cooling effect of the cooling medium on the driving mechanism 10 will not be affected by the precipitation of impurities, thereby ensuring the heat dissipation efficiency of the heat dissipation mechanism 20 on the driving mechanism 10. For example, when the cooling medium is water, the water can be purified water.

[0041] The external cooling liquid includes but is not limited to water, coolant or cooling gas, etc. Among them, the coolant includes but is not limited to ethylene glycol or propylene glycol, etc.; the cooling gas includes but is not limited to ammonia or hydrogen, etc. In the present application, the external cooling liquid can be external natural water, such as seawater or lake water, etc. Since the specific heat capacity of external natural water is large, that is, the temperature of external natural water is not easily affected by the outside world and changes greatly, therefore, the external natural water can always maintain a low temperature. Therefore, the external cooling liquid is external natural water. On the one hand, it can ensure that when the external cooling liquid and the cooling medium perform non-contact heat exchange in the heat exchanger 21, there is a large temperature difference between the external cooling liquid and the cooling medium, thereby improving the heat exchange effect, and then improving the cooling effect of the cooling medium on the drive mechanism 10; on the other hand, the external natural water can be directly obtained from the outside. For example, when the water movable device 1000 moves on the sea surface, the external natural water (seawater) can be directly obtained from the sea, thereby ensuring the supply of the external cooling liquid and preventing the cooling medium from being effectively cooled due to insufficient external cooling liquid.

[0042] It is understandable that in other embodiments, the power device 100 may also include a storage member (not shown), in which an external coolant is stored, so that the second heat dissipation component 25 can drive the external coolant in the storage member to flow to the heat exchanger 21, so that when the hydraulic pressure of the second heat dissipation component 25 to obtain the external coolant from the external environment is insufficient, it can be supplemented by the external coolant in the storage member. If the second heat dissipation component 25 cannot obtain the external coolant from the outside for a long time, the open external circulation cooling can also be switched to a closed external circulation cooling, that is, after non-contact heat exchange with the cooling medium in the heat exchanger 21, it flows back to the storage member, and an external coolant heat exchanger is set in the closed external circulation cooling path to temporarily take away the heat of the external coolant in the closed external circulation through the external coolant heat exchanger through the external air. Among them, the type of external coolant stored in the storage member is the same as the type of external coolant in the above-mentioned embodiment, which will not be repeated here.

[0043] See also Figure 1 and Figure 2In some embodiments, the power device 100 may further include a shell 50, which is disposed on the driving mechanism 10 and the heat dissipation mechanism 20. Thus, the setting of the shell 50 can provide good protection for the driving mechanism 10 and the heat dissipation mechanism 20, thereby preventing the driving mechanism 10 and the heat dissipation mechanism 20 from colliding with external devices and causing damage, thereby ensuring the normal operation of the power device 100.

[0044] Please combine Fig.17 In some embodiments, the power device 100 can be applied to the propeller 300. The power device 100 can be connected to the propeller 310 of the propeller 300, and when the driving mechanism 10 is working, the driving mechanism 10 can drive the propeller 310 to rotate so that the movable device 1000 in the water area can move on the water surface. Specifically, the reducer 15 in the driving mechanism 10 can be connected to the propeller 310, and when the driving member 13 is working, the reducer 15 transmits the driving force generated by the driving member 13 to the propeller 310 so that the propeller 310 can rotate.

[0045] In some embodiments, when the driving mechanism 10 is working normally, the heat dissipation mechanism 20 can continuously operate to cool and dissipate heat for the driving mechanism 10, thereby ensuring the working stability of the driving mechanism 10. In other embodiments, when the driving member 13 is working, the heat dissipation mechanism 20 can be operated intermittently to cool and dissipate heat for the driving mechanism 10, that is, the heat dissipation mechanism 20 can alternately work and rest within a preset time interval, thereby, the intermittent operation of the heat dissipation mechanism 20 can not only ensure the heat dissipation effect of the heat dissipation mechanism 20 on the driving mechanism 10, improve the working stability of the driving mechanism 10, but also reduce the power consumption required for the operation of the heat dissipation mechanism 20.

[0046] In the power device 100 of the present application, the heat dissipation mechanism 20 includes a heat exchanger 21, a first heat dissipation component 23 and a second heat dissipation component 25. The first heat dissipation component 23 is used to drive the cooling medium to flow between the heat exchanger 21 and the driving mechanism 10 to cool the driving mechanism 10. The second heat dissipation component 25 is used to drive the external coolant to flow between the outside and the heat exchanger 21, and to perform non-contact heat exchange with the cooling medium in the heat exchanger 21 to cool the cooling medium. Therefore, compared with the traditional external coolant that directly cools and dissipates the heat of the driving mechanism, the impurities in the external coolant in the present application will not affect the heat absorption effect of the cooling medium, thereby ensuring the heat dissipation efficiency of the heat dissipation mechanism 20 on the driving mechanism 10 and improving the stability of the operation of the movable device 1000 in water areas.

[0047] The power device 100 is further explained below with reference to the accompanying drawings.

[0048] See also Figures 1 to 3In some embodiments, the driving mechanism 10, the heat exchanger 21 and the first heat dissipation component 23 together form a first heat exchange loop 30, and the cooling medium flows in the first heat exchange loop 30. The heat exchanger 21, the second heat dissipation component 25 and the cooling source of the external environment together form a second heat exchange loop 40, and the external cooling liquid flows in the second heat exchange loop 40. The first heat exchange loop 30 and the second heat exchange loop 40 are thermally coupled in the heat exchanger 21.

[0049] Specifically, in some embodiments, the driving mechanism 10, the heat exchanger 21 and the first heat dissipation component 23 are each provided with a passage for the cooling medium to flow, and the passages on the driving mechanism 10, the heat exchanger 21 and the first heat dissipation component 23 are interconnected to form a first heat exchange loop 30, thereby, the cooling medium can circulate in the first heat exchange loop 30 to form a closed internal circulation cooling path; correspondingly, the heat exchanger 21 and the second heat dissipation component 25 are each provided with a passage for the external coolant to flow, and the passages on the heat exchanger 21 and the second heat dissipation component 25 are interconnected with the cooling source of the external environment to form a second heat exchange loop 40, thereby, the external coolant can circulate in the second heat exchange loop 40 to form an open external circulation cooling path.

[0050] Among them, since the cooling medium can exchange heat with the electronic control component 11, the driving member 13 and the reducer 15 when the cooling medium flows through the driving mechanism 10, the temperature of the cooling medium flowing out of the driving mechanism 10 increases, and the heated cooling medium can continue to flow in the first heat exchange loop 30 and enter the heat exchanger 21, and the temperature of the external coolant is lower than the heated cooling medium. When the cooling medium in the first heat exchange loop 30 and the external coolant in the second heat exchange loop 40 are thermally coupled in the heat exchanger 21, heat exchange can be performed between the cooling medium and the external coolant. Moreover, since there is a temperature difference between the external coolant and the heated cooling medium, the external coolant can cool down the cooling medium, and the cooled cooling medium can continue to flow in the first heat exchange loop 30 to cool the driving mechanism 10.

[0051] In some embodiments, the flow rate and flow rate of the cooling medium in the first heat exchange circuit 30 are related to the output power of the drive mechanism 10. Specifically, when the output power of the drive mechanism 10 increases, that is, when the propeller 310 ( Fig.17When the speed of the drive mechanism 10 increases (as shown), the heat generated by the drive mechanism 10 will also increase. In this case, if the flow rate and flow rate of the cooling medium in the first heat exchange loop 30 do not change accordingly, the cooling medium cannot effectively dissipate heat for the drive mechanism 10, thereby causing damage to the drive mechanism 10. Therefore, when the output power of the drive mechanism 10 increases, the flow rate and flow rate of the cooling medium in the first heat exchange loop 30 also increase, thereby ensuring the heat dissipation effect of the cooling medium on the drive mechanism 10; accordingly, when the output power of the drive mechanism 10 decreases, that is, when the speed of the propeller 310 decreases, the heat generated by the drive mechanism 10 decreases. In this case, the flow rate and flow rate of the cooling medium in the first heat exchange loop 30 can also be reduced, thereby ensuring the heat dissipation effect of the cooling medium on the drive mechanism 10 while reducing the energy consumption of the power device 100. It can be understood that when the flow rate and flow rate of the cooling medium in the first heat exchange loop 30 change, the flow rate and flow rate of the external coolant in the second heat exchange loop 40 change accordingly. Specifically, when the flow velocity and flow rate of the cooling medium in the first heat exchange circuit 30 increase, the flow velocity and flow rate of the external cooling liquid in the second heat exchange circuit 40 also increase accordingly; when the flow velocity and flow rate of the cooling medium in the first heat exchange circuit 30 decrease, the flow velocity and flow rate of the external cooling liquid in the second heat exchange circuit 40 also decrease accordingly.

[0052] See also Figure 2 and Figure 3 In some embodiments, the first heat dissipation component 23 includes a first delivery pipe 231 and a first suction member 233. One end of the first delivery pipe 231 is connected to the heat exchanger 21, and the other end of the first delivery pipe 231 is connected to the electronic control component 11. The first suction member 233 is disposed on the first delivery pipe 231, and the first suction member 233 is used to suck the cooling medium. The first heat exchange circuit 30 includes an inner cavity of the first delivery pipe 231. It should be noted that, in some embodiments, the first suction member 233 can be a pump or other device capable of suction.

[0053] Specifically, in some embodiments, when the first suction member 233 operates normally, the first suction member 233 can suck the cooling medium in the heat exchanger 21 (the cooling medium cooled by the external coolant) into the inner cavity of the first delivery pipe 231, and pump the cooling medium in the inner cavity of the first delivery pipe 231 into the electronic control component 11, so that the cooling medium can cool the electronic control component 11.

[0054] Please combine Figure 4In some embodiments, the electric control housing 111 includes a top cover 1115 and a base 1117, and the top cover 1115 and the base 1117 are combined to form a receiving chamber 1114. Specifically, in some embodiments, the top cover 1115 and the base 1117 can be connected by one or more connection methods such as bonding, welding, threaded connection or snap connection. Among them, the electric control component 113 is accommodated in the receiving chamber 1114. When the first suction member 233 operates normally, the cooling medium can flow into the receiving chamber 1114 through the electric control housing 111 and perform non-contact heat exchange with the electric control component 113.

[0055] Furthermore, please combine Figure 5 In some embodiments, the electric control housing 111 is further provided with a first opening 1111 and a second opening 1113 spaced apart, and the other end of the first delivery pipe 231 is connected to the first opening 1111. The electric control assembly 11 also includes a loading part 115, and the loading part 115 is provided with a flow channel 1151, one end of the flow channel 1151 is connected to the first opening 1111, and the other end is connected to the second opening 1113, the electric control component 113 is mounted on the loading part 115, and the first suction part 233 drives the cooling medium to flow into the flow channel 1151 through the first opening 1111, and flows out from the second opening 1113, and the first heat exchange circuit 30 also includes the first opening 1111, the second opening 1113 and the flow channel 1151. It should be noted that in some embodiments, the loading part 115 can be made of materials with good thermal conductivity such as copper, aluminum or steel, thereby improving the heat exchange efficiency between the cooling medium and the electric control component 113.

[0056] Specifically, in some embodiments, the loading member 115 may be a hollow structure, that is, the interior of the loading member 115 is hollow, and the hollow is the flow channel 1151. Wherein, when the first suction member 233 operates normally, the cooling medium in the first delivery pipe 231 can enter the flow channel 1151 through the first opening 1111, and absorb the heat generated by the electric control component 113 installed on the loading member 115, thereby cooling the electric control component 113, and then the cooling medium flows out of the electric control housing 111 through the second opening 1113. It can be understood that in some embodiments, the cooling medium can flow along the flow channel 1151 to cool the electric control component 113. As a possible embodiment, since the drive unit of the electric control component 113 controls the operation of the drive unit, the heat generated by the drive unit in the electric control component 113 is the largest, and the loading member 115 contacts the drive unit of the electric control component 113, which can effectively reduce the temperature of the electric control component 113. The electric control component 113 includes two sets of drive units, and the drive member 13 is provided with two sets of motor windings, that is, two stators and two rotors arranged side by side are arranged, and the two rotors arranged side by side are fixed on the same rotating shaft. The two sets of drive units are electrically connected to the two sets of motor windings respectively to drive the two sets of motor windings to operate respectively, thereby improving the operating power of the drive member and simplifying the process cost of the drive member 13. The loading member 115 has two opposite side surfaces (the first side of the loading member 115 and the second side of the loading member 115), and the two sets of drive units of the electric control component 113 are respectively installed on the two opposite side surfaces of the loading member 115, that is, one of the two sets of drive units is arranged on the first side of the loading member 115, and the other of the two sets of drive units is arranged on the second side of the loading member 115, so that when the cooling medium flows through the flow channel 1151, the cooling medium can cool down the two sets of drive units at the same time, thereby improving the cooling efficiency.

[0057] In certain embodiments, along the direction from the electronic control component 113 to the loading part 115, the projection of the electronic control component 113 on the loading part 115 and the projection of the flow channel 1151 on the loading part 115 at least partially overlap. Thus, compared with the case where the projection of the electronic control component 113 on the loading part 115 and the projection of the flow channel 1151 on the loading part 115 do not overlap, the contact area between the cooling medium and the electronic control component 113 when flowing through the flow channel 1151 is larger, thereby improving the cooling efficiency of the cooling medium on the electronic control component 113.

[0058] See also Figures 2 to 5In some embodiments, the first opening 1111 and the second opening 1113 are disposed on the base 1117 and communicate with the flow channel 1151. Further, in some embodiments, the base 1117 is provided with a first connecting channel 1118 and a second connecting channel 1119, one end of the first connecting channel 1118 is communicated with the first opening 1111, and the other end is communicated with one end of the flow channel 1151, one end of the second connecting channel 1119 is communicated with the second opening 1113, and the other end is communicated with the other end of the flow channel 1151, and the first heat exchange circuit 30 further includes the first connecting channel 1118 and the second connecting channel 1119.

[0059] Specifically, when the first suction member 233 operates normally, the cooling medium in the first delivery pipe 231 can flow through the first opening 1111, the first connecting channel 1118, the flow channel 1151, the second connecting channel 1119 and the second opening 1113 in sequence and then flow out of the electric control housing 111, thereby cooling and dissipating the electric control component 113. The shape of the central axis of the first connecting channel 1118 and the second connecting channel 1119 can be a straight line or a curve, etc., which is not limited here.

[0060] See also Figure 2 , Figure 3 and Figure 6 In some embodiments, the first heat dissipation component 23 also includes a second delivery pipe 235, one end of the second delivery pipe 235 is connected to the second opening 1113, and the other end is connected to the drive housing 133. The second delivery pipe 235 is used to transport the cooling medium flowing out of the second opening 1113 to the drive housing 133. The first heat exchange circuit 30 also includes an inner cavity of the second delivery pipe 235.

[0061] Specifically, when the first suction member 233 operates normally, the cooling medium flowing out of the second opening 1113 can be pumped into the inner cavity of the second delivery pipe 235 and flow into the drive housing 133, thereby, the cooling medium can cool and dissipate heat to the drive body 131 in the drive housing 133. It can be understood that, as can be seen from the above, the drive housing 133 is connected to the electric control housing 111, therefore, compared with the case where the drive housing 133 and the electric control housing 111 are not connected, the distance between the drive member 13 and the electric control component 11 is smaller, thereby, the length of the second delivery pipe 235 is shorter, thereby reducing the flow time of the cooling medium in the second delivery pipe 235, thereby improving the cooling efficiency of the cooling medium on the drive mechanism 10.

[0062] Please combine Figure 7In some embodiments, the drive housing 133 is provided with a cooling channel 1331, and the cooling medium flows in the cooling channel 1331 to cool the drive body 131. Specifically, in some embodiments, the drive housing 133 may be a hollow structure, that is, the interior of the drive housing 133 is hollow, and the hollow is the cooling channel 1331. In which, when the first suction member 233 operates normally, the cooling medium in the second delivery pipe 235 can enter the cooling channel 1331 and flow in the cooling channel 1331 to cool the drive body 131.

[0063] In some embodiments, the cross-sectional area of ​​the cooling channel 1331 is the same as the surface area of ​​the outer peripheral wall of the drive housing 133. Thus, when the cooling medium enters the drive housing 133, the cooling medium can cover the drive housing 133, thereby cooling the drive body 131 in all directions.

[0064] In other embodiments, the cooling channel 1331 may be bent and extended along the circumference of the drive housing 133. For example, the cooling channel 1331 may be arranged around the drive housing 133 in an "S"-shaped structure, whereby, when the cooling medium enters the drive housing 133, the bending and extension of the cooling channel 1331 can increase the flow time of the cooling medium in the cooling channel 1331, so that the cooling medium can fully exchange heat with the drive body 131, thereby improving the cooling effect of the cooling medium on the drive body 131.

[0065] Furthermore, in some embodiments, the outer peripheral wall of the driving housing 133 is further provided with a first inlet 1332 and a first outlet 1333, both of which are connected to the cooling channel 1331, and the first inlet 1332 is also connected to the second delivery pipeline 235, the cooling medium enters the cooling channel 1331 from the first inlet 1332, and flows out from the first outlet 1333, and the first heat exchange circuit 30 also includes the first inlet 1332, the first outlet 1333 and the cooling channel 1331. It should be noted that, in some embodiments, the driving housing 133 can be made of a material with good thermal conductivity such as copper, aluminum or steel, thereby improving the heat exchange efficiency between the cooling medium and the driving body 131.

[0066] See also Figure 2 , Figure 3 , Figure 6 and Figure 7In some embodiments, the drive housing 133 includes a first end 1334 and a second end 1335 opposite to each other. The first end 1334 of the drive housing 133 faces the electric control component 11, and the second end 1335 of the drive housing 133 faces the reducer 15. The drive housing 133 also includes a first blocking member 1336, one end of the first blocking member 1336 is connected to the first end 1334 of the drive housing 133, and the other end is connected to the second end 1335 of the drive housing 133. The first blocking member 1336 is used to separate the cooling channel 1331 to form a first sub-channel 13311 and a second sub-channel 13313 that are not connected to each other. The first sub-channel 13311 is connected to the first inlet 1332, and the second sub-channel 13313 is connected to the first outlet 1333.

[0067] Furthermore, in some embodiments, the second end 1335 of the driving housing 133 is provided with a second water outlet 1338 and a second water inlet 1339 .

[0068] Specifically, in some embodiments, the second water outlet 1338 is connected to the first sub-channel 13311, and the second water inlet 1339 is connected to the second sub-channel 13313. Therefore, after the cooling medium enters the first sub-channel 13311 through the first inlet 1332, the cooling medium can dissipate heat to a portion of the driving body 131, and due to the setting of the first blocking member 1336, the cooling medium cannot directly flow into the second sub-channel 13313. Therefore, the cooling medium can flow through the second water outlet connected to the second sub-channel 13313. 1338 flows out to the outside. In addition, since the first end 1334 of the drive housing 133 can be connected to the electronic control housing 111, and the second end 1335 of the drive housing 133 can be connected to the reduction housing 151, the cooling medium can flow into the reducer 15 through the second water outlet 1338, and then flow into the second sub-channel 13313 through the second water inlet 1339 before flowing out from the first water outlet, so that the cooling medium can cool the drive member 13 and the reducer 15 at the same time, thereby improving the cooling efficiency of the heat dissipation mechanism 20.

[0069] Furthermore, in some embodiments, the drive housing 133 also includes a plurality of spaced second blocking members 1337, and the plurality of second blocking members 1337 are all arranged in the second sub-channel 13313. The second blocking members 1337 are used to limit the bending flow of the cooling medium in the second sub-channel 13313, thereby improving the uniformity of cooling of the drive body 131 by the cooling medium, thereby improving the cooling effect of the cooling medium on the drive body 131.

[0070] Please combine Figure 8In some embodiments, one end of one of the two adjacent second blocking members 1337 is connected to the first end 1334 of the drive housing 133, and the other end is spaced from the second end 1335 of the drive housing 133. One end of the other of the two adjacent second blocking members 1337 is connected to the second end 1335 of the drive housing 133, and the other end is spaced from the first end 1334 of the drive housing 133.

[0071] Specifically, one of the two adjacent second blocking members 1337 extends from the first end 1334 of the drive housing 133 toward the second end 1335 of the drive housing 133 and is spaced from the second end 1335 of the drive housing 133, that is, there is a gap between one of the two adjacent second blocking members 1337 and the second end 1335 of the drive housing 133; the other of the two adjacent second blocking members 1337 extends from the second end 1335 of the drive housing 133 toward the first end 1334 of the drive housing 133 and is spaced from the first end 1335 of the drive housing 133. That is to say, there is a gap between the other of the two adjacent second blocking members 1337 and the first end 1334 of the drive shell 133. When the first suction member 233 operates normally, the cooling medium can flow in a curved manner in the second sub-channel 13313 due to the setting of the second blocking member 1337. This can increase the flow time of the cooling medium in the second sub-channel 13313, so that the cooling medium can fully exchange heat with the drive body 131, thereby enhancing the cooling effect of the cooling medium on the drive body 131.

[0072] In other embodiments, the second blocking member 1337 includes a first end and a second end relative to each other, the first end of the second blocking member 1337 is connected to the first end 1334 of the drive housing 133, the second end of the second blocking member 1337 is connected to the second end 1335 of the drive housing 133, and the second blocking member 1337 is provided with a through hole (not shown in the figure), the through hole is arranged at the first end of the second blocking member 1337, or the second end of the second blocking member 1337, or between the first end of the second blocking member 1337 and the second end of the second blocking member 1337, and the through holes on two adjacent second blocking members 1337 are staggered, thereby, the cooling medium can also bend and flow in the second sub-channel 13313, thereby increasing the flow time of the cooling medium in the second sub-channel 13313, and then the cooling medium can fully exchange heat with the drive body 131, thereby improving the cooling effect of the cooling medium on the drive body 131.

[0073] See also Figure 2 , Figure 6 , Fig. 9 and Fig.10In some embodiments, the reduction housing 151 is provided with a circulation channel 1511, and the circulation channel 1511 is connected to the second water outlet 1338 and the second water inlet 1339. The first suction member 233 drives the cooling medium to enter the circulation channel 1511 through the second water outlet 1338, and flows into the second sub-channel 13313 from the second water inlet 1339. The first heat exchange circuit 30 also includes the second water outlet 1338, the second water inlet 1339 and the circulation channel 1511. It should be noted that in some embodiments, the reduction housing 151 can be made of materials with good thermal conductivity such as copper, aluminum or steel, thereby improving the heat exchange efficiency between the cooling medium and the electronic control component 113.

[0074] Specifically, when the first suction member 233 operates normally, the cooling medium flowing out from the second water outlet 1338 can directly enter the circulation channel 1511 and absorb the heat generated by the reduction body 153, thereby realizing the cooling and heat dissipation of the reduction body 153, and the cooling medium flowing out from the circulation channel 1511 can also enter the second sub-channel 13313 through the second water inlet 1339 to cool the driving body 131.

[0075] Furthermore, please combine Fig.11 In some embodiments, the reduction housing 151 is further provided with a receiving chamber 1513, and the reduction body 153 is installed in the receiving chamber 1513. The reducer 15 also includes cooling oil, which is received in the receiving chamber 1513. The cooling oil is used to cool and lubricate the reduction body 153. When the cooling medium flows through the circulation channel 1511, the cooling medium is also used to cool the cooling oil. It should be noted that in some embodiments, the cooling oil may be lubricating oil.

[0076] Specifically, when the reduction body 153 moves, the cooling oil can directly contact the reduction body 153, thereby on the one hand lubricating the reduction body 153 to ensure the stability of the reduction body 153; on the other hand, it can absorb the heat generated by the reduction body 153 to prevent the reduction body 153 from being damaged due to overheating. In addition, while the cooling oil cools the reduction body 153, the cooling medium flowing through the circulation channel 1511 can also cool the reduction body 153. In addition, the cooling medium can also perform water cooling on the cooling oil, thereby improving the cooling effect of the heat dissipation mechanism 20 on the reducer 15 and improving the utilization rate of the cooling medium.

[0077] More specifically, in some embodiments, the reduction body 153 includes a bearing 1531, a rotating shaft 1533, and a gear set 1535. The rotating shaft 1533 passes through the bearing 1531 and is connected to the driving body 131. The gear set 1535 is connected to the rotating shaft 1533. When the driving body 131 is working, the rotating shaft 1533 rotates to drive the gear set 1535 and the bearing 1531 to rotate.

[0078] In some embodiments, the bearing 1531 may be disposed on the reduction housing 151, and the bearing 1531 includes two bearings. The rotating shaft 1533 is rotatably disposed through the two bearings 1531 and connected to the propeller 310 of the propeller 300. The gear set 1535 is located between the two bearings 1531 and connected to the output shaft of the driving body 131. When the output shaft of the driving body 131 rotates, the gear set 1535 can drive the rotating shaft 1533 to rotate so that the propeller 310 rotates with the rotating shaft 1533, thereby realizing the movement of the mobile device 1000 in the water area. The cooling oil can lubricate the gear set 1535 and the bearing 1531, thereby preventing the gear set 1535 and the bearing 1531 from getting stuck, thereby ensuring the normal operation of the reducer 15.

[0079] Since there is friction and mechanical movement between the various parts of the reduction body 153 (including the bearing 1531, the rotating shaft 1533 and the gear set 1535, etc.) during the normal operation of the reducer 15, the reduction body 153 will generate heat, and the heat will cause the air pressure in the accommodating chamber 1513 to increase, thereby increasing the friction resistance between the various parts, and then resulting in the power output of the reducer 15 being limited and unable to achieve the expected speed or torque output. Therefore, in the present application, the reducer 15 also includes an air pressure valve 155, which is installed on the reduction housing 151, and the air pressure valve 155 is used to adjust the air pressure in the accommodating chamber 1513. Therefore, the setting of the air pressure valve 155 can prevent the friction resistance between the various parts from increasing due to the increase of air pressure, thereby preventing the power output of the reducer 15 from being limited, and ensuring that the reducer 15 can achieve the expected speed or torque output; on the other hand, it can also prevent the structure of the reducer 15 from being damaged due to excessive air pressure, thereby extending the service life of the reducer 15.

[0080] See also Figure 2 , Fig.11 and Fig.12 In some embodiments, the reduction housing 151 also includes a pressure relief channel 1515, which is located on the side of the bearing 1531 away from the gear set 1535, one end of the pressure relief channel 1515 is connected to the accommodating chamber 1513, and the other end of the pressure relief channel 1515 is connected to the outside world, and the air pressure valve 155 blocks the other end of the pressure relief channel 1515.

[0081] Specifically, when the output shaft of the driving member 13 rotates, the rotating shaft 1533 can rotate together with the output shaft of the driving member 13. In this case, the gear set 1535 can also rotate and stir the cooling oil. Therefore, the cooling oil may be splashed under the stirring action of the gear set 1535. If the pressure relief channel 1515 is located between the two bearings 1531, the cooling oil may leak to the outside of the reducer 15 through the pressure relief channel 1515, which will cause the loss of cooling oil on the one hand; on the other hand, the cooling oil will cause pollution to the reducer 15 and other devices. Therefore, in the present application, the pressure relief channel 1515 is located on the side of the bearing 1531 away from the gear set 1535, and the air pressure valve 155 blocks the pressure relief channel 1515. On the one hand, this can ensure that the air pressure regulating function of the air pressure valve 155 in the accommodating chamber 1513 is normally realized; on the other hand, it can reduce or even avoid the leakage of cooling oil through the pressure relief channel 1515 to the outside of the reducer 15, thereby reducing the loss of cooling oil and preventing the cooling oil from polluting the reducer 15 and other devices.

[0082] Please combine Figure 3 and Figure 6 In some embodiments, the first heat dissipation component 23 also includes a third delivery pipe 237, one end of the third delivery pipe 237 is connected to the first outlet 1333, and the other end is connected to the heat exchanger 21. The third delivery pipe 237 is used to transport the cooling medium flowing out of the first outlet 1333 to the heat exchanger 21. The first heat exchange circuit 30 also includes an inner cavity 2371 of the third delivery pipe 237.

[0083] Specifically, in some embodiments, when the first suction member 233 operates normally, the cooling medium in the second sub-channel 13313 can flow out to the inner cavity 2371 of the third delivery pipe 237 through the first outlet 1333, and enter the heat exchanger 21 through the third delivery pipe 237. As a result, the cooling medium realizes a heat exchange cycle in the first heat exchange loop 30. After the cooling medium is cooled by the external coolant in the heat exchanger 21, the cooling medium can cool the driving mechanism 10 again through the first heat exchange loop 30.

[0084] It is understandable that, in other embodiments, the first suction member 233 may also include multiple first suction members 233, and the multiple first suction members 233 are respectively arranged on the first delivery pipe 231, the second delivery pipe 235 and the third delivery pipe 237. Therefore, compared with the first suction member 233 including only one, the arrangement of multiple first suction members 233 can improve the working stability of the first suction member 233 and prevent the cooling medium from being unable to flow in the first heat exchange circuit 30 due to damage to a certain first suction member 233.

[0085] See also Figure 2 and Figure 3In some embodiments, the second heat dissipation component 25 includes a first circulation pipe 251 and a second suction member 253. One end of the first circulation pipe 251 is connected to the heat exchanger 21, and the other end is connected to the cooling source of the external environment. The second suction member 253 is arranged on the first circulation pipe 251, and the second suction member 253 is used to suck the external cooling liquid of the cooling source of the external environment into the heat exchanger 21 through the first circulation pipe 251, and the second heat exchange loop 40 includes the inner cavity 2511 of the first circulation pipe 251. It should be noted that, in some embodiments, the second suction member 253 can be a pump or other device capable of suction.

[0086] Specifically, in some embodiments, when the second suction member 253 operates normally, the second suction member 253 can suck external cooling liquid into the inner cavity 2511 of the first circulation pipe 251, and pump the external cooling liquid in the inner cavity 2511 of the first circulation pipe 251 into the heat exchanger 21, so that the external cooling liquid can cool the cooling medium in the heat exchanger 21.

[0087] In some embodiments, the second heat dissipation component 25 also includes a second circulation pipe 255, one end of the second circulation pipe 255 is connected to the heat exchanger 21, and the other end of the second circulation pipe 255 is connected to a cooling source of the external environment. The second suction member 253 is used to drive the external cooling liquid in the heat exchanger 21 to flow out to the cooling source of the external environment through the second circulation pipe 255, and the second heat exchange circuit 40 also includes an inner cavity of the second circulation pipe 255.

[0088] Specifically, in some embodiments, when the second suction member 253 operates normally, the second suction member 253 can suck the external coolant in the heat exchanger 21 into the inner cavity of the second circulation pipe 255, and pump the external coolant in the inner cavity 2511 of the first circulation pipe 251 to the outside, thereby, the external coolant realizes a heat exchange cycle in the second heat exchange circuit 40. When the second suction member 253 is working, the second suction member 253 can continuously suck the external coolant to cool the cooling medium in the heat exchanger 21.

[0089] It is understandable that, in other embodiments, the second suction member 253 may also include multiple second suction members 253, and the multiple second suction members 253 are respectively arranged on the first circulation pipe 251 and the second circulation pipe 255. Therefore, compared with including only one second suction member 253, the arrangement of multiple second suction members 253 can improve the working stability of the second suction member 253 and prevent the external coolant from being unable to flow in the second heat exchange circuit 40 due to damage to a certain second suction member 253.

[0090] See also Figure 2 , Figure 3 , Fig.13 and Fig.14 In some embodiments, the heat exchanger 21 includes a heat exchange housing 211 and at least one heat exchange pipe 213. The heat exchange housing 211 is provided with a heat exchange cavity 2111. The heat exchange pipe 213 is arranged in the heat exchange cavity 2111. When the cooling medium and the external cooling liquid enter the heat exchanger 21, the cooling medium is located in the heat exchange cavity 2111 and outside the heat exchange pipe 213, and the external cooling liquid is located inside the heat exchange pipe 213. The first heat exchange loop 30 includes the heat exchange cavity 2111, and the second heat exchange loop 40 includes the inner cavity of the heat exchange pipe 213.

[0091] Specifically, in some embodiments, the third delivery pipe 237 can be connected to the heat exchange cavity 2111 of the heat exchanger 21, so that under the suction of the first suction member 233, the cooling medium that absorbs the heat of the drive mechanism 10 can enter the heat exchange cavity 2111; in addition, the first circulation pipe 251 is connected to the inner cavity of the heat exchange pipe 213, so that under the suction of the second suction member 253, the external cooling liquid can enter the inner cavity of the heat exchange pipe 213, so that the external cooling liquid can absorb the heat in the cooling medium to achieve cooling of the cooling medium. It can be understood that the pipe wall of the heat exchange pipe 213 is the heat transfer surface of the cooling medium and the external cooling liquid.

[0092] In some embodiments, the heat exchange shell 211 is also provided with a first through hole 2112 and a second through hole 2113. The first delivery pipe 231 of the first heat dissipation component 23 is connected to the heat exchange chamber 2111 through the first through hole 2112, and the third delivery pipe 237 of the first heat dissipation component 23 is connected to the heat exchange chamber 2111 through the second through hole 2113. Thus, under the suction action of the first suction member 233, the cooling medium in the third delivery pipe 237 (the cooling medium that absorbs the heat of the driving mechanism 10) can enter the heat exchange chamber 2111 through the second through hole 2113, and the first delivery pipe 231 can output the cooling medium in the heat exchange chamber 2111 (the cooling medium cooled by the external coolant) through the first through hole 2112 to the electronic control component 11.

[0093] In some embodiments, the heat exchange housing 211 includes a housing body 2117 and two covers 2118. The housing body 2117 includes a first end and a second end opposite to each other, and the first through hole 2112 of the heat exchange housing 211 and the second through hole 2113 of the heat exchange housing 211 are both provided through the housing body 2117. One of the two covers 2118 is installed at the first end of the housing body 2117, and the other of the two covers 2118 is installed at the second end of the housing body 2117.

[0094] In some embodiments, the shell body 2117 and the two covers 2118 may be connected by a non-detachable connection method such as bonding, welding, or integral molding, so as to prevent the shell body 2117 and the covers 2118 from being separated when the power device 100 is working, thereby ensuring the working stability of the power device 100. In other embodiments, the shell body 2117 and the two covers 2118 may be connected by a detachable connection method such as a threaded connection or a snap connection, so that when the parts in the heat exchange cavity 2111 are damaged (for example, the heat exchange pipe 213 is corroded, etc.), they can be easily disassembled for replacement.

[0095] Furthermore, please combine Fig.15 In some embodiments, the shell body 2117 includes a first side 21171 and a second side 21173 opposite to each other, the first through hole 2112 is provided on the first side 21171 of the shell body 2117, and the second through hole 2113 is provided on the second side 21173 of the shell body 2117. In the case where the mobile device 1000 is carried on the water surface, the first side 21171 of the shell body 2117 is the bottom of the shell body 2117 (such as Figure 2 The second side 21173 of the shell body 2117 is the top of the shell body 2117 (as shown in FIG. Figure 2 The heat exchanger 21 shown in the figure is at the top of the shell body 2117. Therefore, when the cooling medium enters the heat exchange cavity 2111 through the second through-hole 2113, the cooling medium can flow to the first through-hole 2112 under the dual action of the suction force of the first suction member 233 and the gravity of the cooling medium itself. Compared with the cooling medium flowing to the first through-hole 2112 only under the action of the suction force of the first suction member 233, the power consumption of the first suction member 233 is smaller, thereby reducing the power consumption of the power device 100.

[0096] In some embodiments, the heat exchanger 21 also includes a plurality of spaced apart barriers 219, and the plurality of barriers 219 are all disposed in the heat exchange chamber 2111. The barriers 219 are used to limit the bending flow of the cooling medium in the heat exchange chamber 2111, thereby increasing the flow time of the cooling medium in the heat exchange chamber 2111 and improving the uniformity of contact between the cooling medium and the heat exchange pipe 213, thereby improving the cooling effect of the external coolant on the cooling medium.

[0097] In some embodiments, one end of one of the two adjacent blocking members 219 is connected to the first side 21171 of the shell body 2117, and the other end is spaced from the second side 21173 of the shell body 2117. One end of the other of the two adjacent blocking members 219 is connected to the second side 21173 of the shell body 2117, and the other end is spaced from the first side 21171 of the shell body 2117.

[0098] Specifically, one of the two adjacent blocking members 219 extends from the first side 21171 of the shell body 2117 toward the second side 21173 of the shell body 2117 and is spaced from the second side 21173 of the shell body 2117, that is, there is a gap between one of the two adjacent blocking members 219 and the second side 21173 of the shell body 2117; the other of the two adjacent blocking members 219 extends from the second side 21173 of the shell body 2117 toward the first side 21171 of the shell body 2117 and is spaced from the second side 21173 of the shell body 2117. The first side 21171 of 2117 is spaced, that is, there is a gap between the other of the two adjacent barrier members 219 and the first side 21171 of the shell body 2117. When the first suction member 233 operates normally, the cooling medium can flow in a curved manner in the heat exchange chamber 2111 due to the setting of the barrier member 219, thereby increasing the flow time of the cooling medium in the heat exchange chamber 2111, so that the cooling medium can fully exchange heat with the external coolant, thereby enhancing the cooling effect of the external coolant on the cooling medium.

[0099] Please combine Fig.16 In other embodiments, the barrier 219 includes a first end 2191 and a second end 2193 relative to each other, the first end 2191 of the barrier 219 is connected to the first side 21171 of the shell body 2117, and the second end 2193 of the barrier 219 is connected to the second side 21173 of the shell body 2117, and a through hole (not shown) is provided on the barrier 219, and the through hole is located at the first end 2191 of the barrier 219, or the second end 2193 of the barrier 219, or between the first end 2191 of the barrier 219 and the second end 2193 of the barrier 219, and the through holes on two adjacent barrier members 219 are staggered, thereby, the cooling medium can also bend and flow in the heat exchange cavity 2111, thereby increasing the flow time of the cooling medium in the heat exchange cavity 2111, so that the cooling medium can fully exchange heat with the external coolant, thereby improving the cooling effect of the external coolant on the cooling medium.

[0100] See also Figure 2 , Fig.14 and Fig.15In some embodiments, the heat exchange housing 211 is further provided with a third through hole 2114 and a fourth through hole 2115. The third through hole 2114 of the heat exchange housing 211 passes through one of the two covers 2118, and the fourth through hole 2115 of the heat exchange housing 211 passes through the other of the two covers 2118. The heat exchanger 21 further includes two spaced mounting plates 215, the mounting plates 215 abut against the inner circumferential wall of the heat exchange housing 211, and together with the heat exchange housing 211 form a heat exchange cavity 2111. Two mounting plates 215 are respectively passed through the two ends of the heat exchange pipe 213. The first circulation pipe 251 of the second heat dissipation component 25 is connected to one end of the heat exchange pipe 213 through the third through hole 2114, and the second circulation pipe 255 of the second heat dissipation component 25 is connected to the other end of the heat exchange pipe 213 through the fourth through hole 2115.

[0101] Specifically, the mounting plate 215 is in contact with the inner wall of the shell body 2117, and two mounting plates 215 are respectively provided at both ends of the heat exchange pipe 213, so that the two ends of the heat exchange pipe 213 can be respectively communicated with the third through hole 2114 and the fourth through hole 2115 on the two covers 2118, that is, one end of the heat exchange pipe 213 can be communicated with the first circulation pipe 251 connected to the third through hole 2114, and the other end of the heat exchange pipe 213 can be communicated with the second circulation pipe 255 connected to the fourth through hole 2115. When the second suction member 253 is operating normally, the external coolant can flow through the inner cavity 2511 of the first circulation pipe 251, the third through hole 2114, the inner cavity of the heat exchange pipe 213, the fourth through hole 2115 and the inner cavity of the second circulation pipe 255 in sequence, and then flow out of the electric control housing 111, so that the external coolant can cool the cooling medium and dissipate heat.

[0102] See also Figures 13 to 15 In some embodiments, the heat exchanger 21 further includes a seal 217 , which is disposed between the mounting plate 215 and the inner circumferential wall of the heat exchange shell 211 , and is used to seal the gap between the mounting plate 215 and the inner circumferential wall of the heat exchange shell 211 .

[0103] Specifically, in some embodiments, the seal 217 can be disposed between the mounting plate 215 and the inner peripheral wall of the shell body 2117, so that the seal 217 can seal the gap between the mounting plate 215 and the inner peripheral wall of the shell body 2117, preventing the cooling medium in the heat exchange cavity 2111 from flowing out to the outside of the heat exchanger 21 through the gap, thereby reducing or even avoiding the loss of the cooling medium. The material of the seal 217 includes but is not limited to rubber, plastic or silicone, etc. Alternatively, the seal 217 can also be sealing grease.

[0104] In some embodiments, the outer peripheral wall of the heat exchange pipe 213 is provided with a plurality of spaced protrusions 2131, and the protrusions 2131 extend from the outer peripheral wall of the heat exchange pipe 213 toward the inner peripheral wall of the heat exchange shell 211. Specifically, the provision of the protrusions 2131 can increase the contact area between the heat exchange pipe 213 and the cooling medium, that is, increase the heat exchange area between the external coolant and the cooling medium, thereby improving the heat exchange efficiency of the external coolant to the cooling medium, and ensuring the heat exchange effect of the external coolant to the cooling medium.

[0105] Since the temperature of the cooling medium flowing into the heat exchange cavity 2111 from the first through hole 2112 is relatively high, the temperature of the cooling medium will cause the air pressure in the heat exchange cavity 2111 to increase, thereby increasing the flow velocity of the cooling medium in the heat exchange cavity 2111, and further causing the heat transfer efficiency to decrease; and the increase in the air pressure in the heat exchange cavity 2111 will also cause the structure of the heat exchanger 21 (such as the heat exchange shell 211 or the heat exchange pipe 213, etc.) to be damaged, thereby shortening the service life of the heat exchanger 21. Therefore, please refer to Figures 13 to 15 In the present application, the heat exchanger 21 further includes an adjusting member 218, which is installed on the heat exchange housing 211. The adjusting member 218 is used to adjust the air pressure in the heat exchange cavity 2111. Therefore, the setting of the adjusting member 218 can prevent the increase of the air pressure in the heat exchange cavity 2111, which leads to an increase in the flow velocity of the cooling medium in the heat exchange cavity 2111, that is, prolong the residence time of the cooling medium in the heat exchange cavity 2111, thereby improving the heat transfer efficiency; on the other hand, it can prevent the structure of the heat exchanger 21 from being damaged, thereby prolonging the service life of the heat exchanger 21. It should be noted that in some embodiments, the adjusting member 218 can be a breathable cap or an air pressure valve 155, etc.

[0106] In some embodiments, the heat exchange shell 211 includes an expansion space 2116, which extends from the inner wall of the heat exchange shell 211 in a direction away from the center of the heat exchange chamber 2111. The expansion space 2116 is connected to the heat exchange chamber 2111. When the temperature of the cooling medium in the heat exchange chamber 2111 is greater than a preset temperature, the cooling medium enters the expansion space 2116.

[0107] Specifically, when the cooling medium flows into the heat exchange cavity 2111 through the first perforation 2112, the air pressure in the heat exchange cavity 2111 increases, resulting in an increase in the volume of the cooling medium. Therefore, the cooling medium is easily leaked directly from the regulating member 218 to the outside of the heat exchanger 21, resulting in loss of the cooling medium, thereby affecting the cooling effect of the cooling medium on the drive mechanism 10. In addition, the leakage of the cooling medium directly through the regulating member 218 may also cause damage to the regulating member 218, affecting the service life of the regulating member 218. Therefore, in the present application, when the temperature of the cooling medium is greater than the preset temperature, the cooling medium can enter the expansion space 2116. At this time, the air pressure in the heat exchange chamber 2111 can be released to a certain extent, that is, the regulating member 218 does not need to release the air pressure in the heat exchange chamber 2111. Therefore, the setting of the expansion space 2116 can prevent the cooling medium from leaking directly from the regulating member 218 to the outside of the heat exchanger 21, thereby, on the one hand, reducing or even avoiding the loss of the cooling medium, and ensuring the cooling effect of the cooling medium on the drive mechanism 10; on the other hand, it can prevent the leaked cooling medium from causing damage to the regulating member 218, thereby extending the service life of the regulating member 218.

[0108] It can be understood that, in one embodiment, the regulating member 218 is installed in the heat exchange housing 211 and is directly connected to the heat exchange chamber 2111, so that when the air pressure in the heat exchange chamber 2111 increases to the point where it needs to be released, the regulating member 218 can directly release the air pressure in the heat exchange chamber 2111. In another embodiment, the regulating member 218 is installed in the heat exchange housing 211 and is directly connected to the expansion space 2116, so that when the air pressure in the heat exchange chamber 2111 increases to increase the air pressure in the expansion space 2116, and when the air pressure in the expansion space 2116 increases to the point where it needs to be released, the regulating member 218 can release the air pressure in the expansion space 2116.

[0109] Please refer again Figures 13 to 15 In some embodiments, the heat exchange shell 211 is further provided with a fifth through hole 2119, and the fifth through hole 2119 is connected to the heat exchange cavity 2111 and the outside, and the fifth through hole 2119 is used to allow the cooling medium in the heat exchange cavity 2111 to flow out to the outside.

[0110] Specifically, in some embodiments, the heat exchanger 21 may further include a sealing piece 216. When the heat exchanger 21 is working normally, the sealing piece 216 can seal the fifth perforation 2119, thereby preventing the cooling medium in the heat exchange chamber 2111 from leaking. When there is too much cooling medium or maintenance is required, the user can open the sealing piece 216 to allow the heat exchange chamber 2111 to be connected to the outside world through the fifth perforation 2119. In this case, at least part of the cooling medium in the heat exchange chamber 2111 can flow out to the outside world through the fifth perforation 2119.

[0111] See also Figure 2 and Fig.17 , the embodiment of the present application provides a propeller 300. The propeller 300 includes the power device 100 of any of the above embodiments. The power device 100 includes a driving mechanism 10 and a heat dissipation mechanism 20. The driving mechanism 10 includes an electronic control component 11, a driving member 13 and a reducer 15. The electronic control component 11 is electrically connected to the driving member 13 and is used to control the operation of the driving member 13. The driving member 13 is connected to the reducer 15, and the reducer 15 is used to transmit the driving force of the driving member 13 to the outside. The heat dissipation mechanism 20 includes a heat exchanger 21, a first heat dissipation component 23 and a second heat dissipation component 25. The first heat dissipation component 23 is used to drive the cooling medium to flow between the heat exchanger 21 and the driving mechanism 10, and the cooling medium is used to cool the driving mechanism 10. The second heat dissipation component 25 is used to drive the external coolant to flow between the outside and the heat exchanger 21. The external coolant is used to cool the cooling medium and non-contact heat exchange with the cooling medium in the heat exchanger 21. The propeller 300 includes but is not limited to inboard engines, outboard engines (outboard motors), propeller motors, trolling motors and other water propulsion equipment.

[0112] In some embodiments, the propeller 300 may further include a propeller 310, which can be connected to the reducer 15 of the drive mechanism 10. For example, the propeller 300 is an inboard engine, and the reducer 15 of the power device 100 can be connected to the propeller 310 via the stern shaft. In the case where the electronic control component 11 controls the driving member 13 to work, that is, when the electronic control component 11 controls the output shaft of the driving member 13 to rotate, the rotating shaft 1533 of the driving member 13 can drive the rotating shaft 1533 of the reduction body 153 of the reducer 15 to rotate, so that the rotating shaft 1533 can drive the propeller 310 to rotate to provide propulsion.

[0113] In the thruster 300 of the present application, the heat dissipation mechanism 20 includes a heat exchanger 21, a first heat dissipation component 23 and a second heat dissipation component 25. The first heat dissipation component 23 is used to drive the cooling medium to flow between the heat exchanger 21 and the driving mechanism 10 to cool the driving mechanism 10. The second heat dissipation component 25 is used to drive the external coolant to flow between the outside and the heat exchanger 21, and to perform non-contact heat exchange with the cooling medium in the heat exchanger 21 to cool the cooling medium. Therefore, compared with the traditional external coolant that directly cools and dissipates the heat of the driving mechanism, the impurities in the external coolant in the present application will not affect the heat absorption effect of the cooling medium, thereby ensuring the heat dissipation efficiency of the heat dissipation mechanism 20 to the driving mechanism 10 and improving the stability of the operation of the thruster 300.

[0114] See also Figure 2 and Fig.17The embodiment of the present application provides a mobile device 1000 in water area, which includes a body 200 and a propeller 300 of any of the above embodiments, and the propeller 300 is loaded on the body 200. Specifically, in some embodiments, at least part of the propeller 300 can be arranged inside the body 200, the propeller 300 is an inboard engine, and the power device 100 of the propeller 300 is arranged in the body 200. The propeller 310 extends out of the body 200 and is located in the water, so that when the propeller 310 rotates, the propeller 310 can push the body 200 to move on the water surface.

[0115] In the movable device 1000 in water area of ​​the present application, the heat dissipation mechanism 20 includes a heat exchanger 21, a first heat dissipation component 23 and a second heat dissipation component 25. The first heat dissipation component 23 is used to drive the cooling medium to flow between the heat exchanger 21 and the driving mechanism 10 to cool the driving mechanism 10. The second heat dissipation component 25 is used to drive the external coolant to flow between the outside and the heat exchanger 21, and to perform non-contact heat exchange with the cooling medium in the heat exchanger 21 to cool the cooling medium. Therefore, compared with the traditional external coolant that directly cools and dissipates the heat of the driving mechanism, the impurities in the external coolant in the present application will not affect the heat absorption effect of the cooling medium, thereby ensuring the heat dissipation efficiency of the heat dissipation mechanism 20 on the driving mechanism 10 and improving the stability of the operation of the movable device 1000 in water area.

[0116] In the description of this specification, the description with reference to the terms "certain embodiments", "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0117] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, unless otherwise clearly and specifically defined.

[0118] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application. The scope of the present application is defined by the claims and their equivalents.

Claims

1. A power device, wherein: include: A driving mechanism, the driving mechanism comprising an electronic control component, a driving member and a reducer, the electronic control component is electrically connected to the driving member and is used to control the operation of the driving member, the driving member is connected to the reducer, and the reducer is used to transmit the driving force of the driving member to the outside; and The heat dissipation mechanism includes a heat exchanger, a first heat dissipation component and a second heat dissipation component, the first heat dissipation component is used to drive a cooling medium to flow between the heat exchanger and the driving mechanism, the cooling medium is used to cool the driving mechanism, and the second heat dissipation component is used to drive an external coolant to flow between the outside and the heat exchanger, the external coolant is used to cool the cooling medium and non-contact heat exchange with the cooling medium in the heat exchanger.

2. The power device according to claim 1, wherein: The driving mechanism, the heat exchanger and the first heat dissipation component together form a first heat exchange circuit, and the cooling medium flows in the first heat exchange circuit; the heat exchanger and the second heat dissipation component together form a second heat exchange circuit, and the external coolant flows in the second heat exchange circuit, and the first heat exchange circuit and the second heat exchange circuit are thermally coupled in the heat exchanger.

3. The power device according to claim 2, wherein: The first heat dissipation component comprises: a first delivery pipeline, one end of which is connected to the heat exchanger, and the other end of which is connected to the electronic control component; and A first suction piece is disposed on the first delivery pipeline, and is used to suck the cooling medium. The first heat exchange circuit includes an inner cavity of the first delivery pipeline.

4. The power device according to claim 3, wherein: The electronic control assembly comprises: An electric control housing, wherein the electric control housing is provided with a containing cavity; and An electric control component is disposed in the accommodating cavity, the electric control component is used to control the operation of the driving member, and the cooling medium is used to cool the electric control component.

5. The power device according to claim 4, wherein: The electronic control component includes a central control unit and at least one driving unit. The central control unit is electrically connected to the driving unit. The central control unit is responsible for managing and controlling the operation of the driving unit. The driving unit is electrically connected to the driving member to control the operation of the driving member.

6. The power device according to claim 5, wherein: The central control unit is also used to be electrically connected to the remote communication terminal, the control terminal and the energy terminal to be responsible for managing and controlling the operation of the remote communication terminal, the control terminal and the energy terminal.

7. The power device according to claim 4, wherein: The electric control housing is further provided with a first opening and a second opening spaced apart from each other, and the other end of the first delivery pipeline is connected to the first opening; The electronic control assembly also includes: A loading part, wherein the loading part is provided with a flow channel, one end of the flow channel is connected to the first opening, and the other end is connected to the second opening, the electronic control component is installed on the loading part, the first suction part drives the cooling medium to flow into the flow channel through the first opening and flow out from the second opening, and the first heat exchange circuit also includes the flow channel.

8. The power device according to claim 7, wherein: The electronic control component includes two drive units, the loading member includes a first side and a second side opposite to each other, one of the two drive units is arranged on the first side of the loading member, and the other of the two drive units is arranged on the second side of the loading member, and when the cooling medium flows through the flow channel, the cooling medium is used to cool the drive unit.

9. The power device according to claim 8, wherein: The driving component includes two groups of motor windings, and the two driving units are electrically connected to the two motor windings respectively to control the operation of the corresponding motor windings.

10. The power device according to claim 7, wherein: The electric control housing comprises a top cover and a base, wherein the top cover is combined with the base to form the accommodating cavity; The base is provided with a first connecting channel and a second connecting channel, one end of the first connecting channel is connected to the first opening, and the other end is connected to one end of the flow channel, one end of the second connecting channel is connected to the second opening, and the other end is connected to the other end of the flow channel, and the first heat exchange circuit also includes the first connecting channel and the second connecting channel.

11. The power device according to claim 7, wherein: The driving member comprises: A driving body, the driving body is connected to the reducer and is used to drive the reducer to move; and A drive housing is sleeved on the drive body, and the cooling medium passes through the drive housing to cool the drive body.

12. The power device according to claim 11, wherein: The first heat dissipation component also includes: A second delivery pipeline, one end of which is connected to the second opening, and the other end of which is connected to the drive housing, the second delivery pipeline is used to transport the cooling medium flowing out of the second opening to the drive housing, and the first heat exchange circuit also includes an inner cavity of the second delivery pipeline.

13. The power plant according to claim 12, wherein: The drive housing is provided with a cooling channel, and the cooling medium flows in the cooling channel to cool the drive body; The outer peripheral wall of the drive housing is also provided with a first inlet and a first outlet, both of which are connected to the cooling channel, and the first inlet is also connected to the second delivery pipeline. The cooling medium enters the cooling channel from the first inlet and flows out from the first outlet. The first heat exchange circuit also includes the cooling channel.

14. The power plant according to claim 13, wherein: The drive housing comprises a first end and a second end opposite to each other, the first end of the drive housing faces the electric control component, and the second end of the drive housing faces the reducer; The drive housing also includes: A first blocking member, one end of the first blocking member is connected to the first end of the drive housing, and the other end is connected to the second end of the drive housing, the first blocking member is used to separate the cooling channel to form a first sub-channel and a second sub-channel that are not connected to each other, the first sub-channel is connected to the first inlet, and the second sub-channel is connected to the first outlet.

15. The power plant according to claim 14, wherein: The drive housing also includes: A plurality of spaced second blocking members are disposed in the second sub-channel, and the second blocking members are used to limit the bending flow of the cooling medium in the second sub-channel.

16. The power plant according to claim 15, wherein: One end of one of two adjacent second blocking members is connected to the first end of the drive housing, and the other end is spaced from the second end of the drive housing; one end of the other of two adjacent second blocking members is connected to the second end of the drive housing, and the other end is spaced from the first end of the drive housing.

17. The power plant according to claim 14, wherein: The reducer comprises: reduction housing; and The reduction body is installed in the reduction housing and connected to the driving body. The cooling medium is also used to cool the reduction body.

18. The power plant according to claim 17, wherein: The second end of the driving housing is provided with a second water outlet and a second water inlet; the reduction housing is provided with a circulation channel, and the circulation channel is connected with the second water outlet and the second water inlet. The first suction member drives the cooling medium to enter the circulation channel through the second water outlet and flow into the second sub-channel from the second water inlet. The first heat exchange circuit also includes the circulation channel.

19. The power plant according to claim 18, wherein: The reduction housing is further provided with a receiving cavity, and the reduction body is installed in the receiving cavity; the reducer further comprises: Cooling oil is contained in the accommodating cavity, and the cooling oil is used to cool and lubricate the speed reduction body. When the cooling medium flows through the circulation channel, the cooling medium is also used to cool the cooling oil.

20. The power plant according to claim 19, wherein: The reducer also includes: An air pressure valve is installed on the reduction housing and is used to adjust the air pressure in the accommodating chamber.

21. The power plant according to claim 20, wherein: The deceleration body comprises: Bearings; A rotating shaft, the rotating shaft passes through the bearing and is connected to the driving body; and A gear set is connected to the rotating shaft. When the driving body is working, the rotating shaft rotates to drive the gear set and the bearing to rotate.

22. The power plant according to claim 21, wherein: The bearings include two, and the gear set is arranged between the two bearings; the reduction housing also includes: A pressure relief channel, wherein the pressure relief channel is located on a side of the bearing away from the gear set, one end of the pressure relief channel is connected to the accommodating cavity, the other end of the pressure relief channel is connected to the outside, and the air pressure valve blocks the other end of the pressure relief channel.

23. The power plant according to claim 13, wherein: The first heat dissipation component also includes: A third delivery pipeline, one end of which is connected to the first outlet, and the other end of which is connected to the heat exchanger, the third delivery pipeline is used to transport the cooling medium flowing out of the first outlet to the heat exchanger, and the first heat exchange circuit also includes an inner cavity of the third delivery pipeline.

24. The power plant according to claim 2, wherein: The second heat dissipation component comprises: A first circulation pipeline, one end of which is connected to the heat exchanger, and the other end of which is connected to the outside; and The second suction member is arranged on the first circulation pipe, and is used for sucking the external cooling liquid from the outside through the first circulation pipe to flow into the heat exchanger, and the second heat exchange loop includes the inner cavity of the first circulation pipe.

25. The power plant according to claim 24, wherein: The second heat dissipation component also includes: A second circulation pipe, one end of the second circulation pipe is connected to the heat exchanger, and the other end of the second circulation pipe is connected to the outside world. The second suction member is used to drive the external coolant in the heat exchanger to flow out to the outside world through the second circulation pipe. The second heat exchange circuit also includes an inner cavity of the second circulation pipe.

26. The power plant according to claim 2, wherein: The heat exchanger comprises: A heat exchange shell, wherein the heat exchange shell is provided with a heat exchange cavity; and At least one heat exchange pipe is arranged in the heat exchange cavity. When the cooling medium and the external cooling liquid enter the heat exchanger, the cooling medium is located in the heat exchange cavity and outside the heat exchange pipe, and the external cooling liquid is located inside the heat exchange pipe. The first heat exchange circuit includes the heat exchange cavity, and the second heat exchange circuit includes the inner cavity of the heat exchange pipe.

27. The power plant according to claim 26, wherein: The heat exchange shell is further provided with a first through hole, a second through hole, a third through hole and a fourth through hole, the first delivery pipeline of the first heat dissipation component is communicated with the heat exchange cavity through the first through hole, and the third delivery pipeline of the first heat dissipation component is communicated with the heat exchange cavity through the second through hole; the heat exchanger further comprises: Two spaced mounting plates are provided, the mounting plates abutting against the inner circumferential wall of the heat exchange shell and forming the heat exchange cavity together with the heat exchange shell, the two mounting plates are respectively passed through the two ends of the heat exchange pipe, the first circulation pipe of the second heat dissipation component is connected with one end of the heat exchange pipe through the third through hole, and the second circulation pipe of the second heat dissipation component is connected with the other end of the heat exchange pipe through the fourth through hole.

28. The power plant according to claim 27, wherein: The heat exchanger also includes: A sealing member is disposed between the mounting plate and the inner peripheral wall of the heat exchange shell, and is used to seal the gap between the mounting plate and the inner peripheral wall of the heat exchange shell.

29. The power plant according to claim 26, wherein: The heat exchange housing comprises: An expansion space extends from the inner circumferential wall of the heat exchange shell toward a direction away from the center of the heat exchange cavity, the expansion space is communicated with the heat exchange cavity, and when the temperature of the cooling medium in the heat exchange cavity is greater than a preset temperature, the cooling medium enters the expansion space.

30. The power plant according to claim 26, wherein: The heat exchanger also includes: An adjusting member is installed on the heat exchange shell, and is used to adjust the air pressure in the heat exchange cavity.

31. The power plant according to claim 26, wherein: The heat exchange housing comprises: a shell body, the shell body comprising a first end and a second end opposite to each other, the first through hole of the heat exchange shell and the second through hole of the heat exchange shell both passing through the shell body; and Two covers, one of the two covers is installed at the first end of the shell body, the other of the two covers is installed at the second end of the shell body, the third through hole of the heat exchange shell penetrates one of the two covers, and the fourth through hole of the heat exchange shell penetrates the other of the two covers.

32. The power plant according to claim 31, wherein: The shell body comprises a first side and a second side opposite to each other, the first through hole is formed through the first side of the shell body, and the second through hole is formed through the second side of the shell body.

33. The power plant according to claim 31, wherein: The shell body comprises a first side and a second side opposite to each other; the heat exchanger further comprises: A plurality of spaced barrier members are disposed in the heat exchange cavity, and the barrier members are used to limit the bending flow of the cooling medium in the heat exchange cavity.

34. The power plant according to claim 33, wherein: One end of one of the two adjacent blocking members is connected to the first side of the shell body, and the other end is spaced from the second side of the shell body; one end of the other of the two adjacent blocking members is connected to the second side of the shell body, and the other end is spaced from the first side of the shell body.

35. The power plant according to claim 26, wherein: The outer peripheral wall of the heat exchange pipe is provided with a plurality of spaced protrusions, and the protrusions extend from the outer peripheral wall of the heat exchange pipe toward the inner peripheral wall of the heat exchange shell.

36. The power plant according to claim 26, wherein: The heat exchange shell is further provided with a fifth through hole, the fifth through hole is connected to both the heat exchange cavity and the outside, and the fifth through hole is used for allowing the cooling medium in the heat exchange cavity to flow out to the outside.

37. A propeller, wherein: include: A power device as described in any one of claims 1 to 36.

38. A movable device in water area, wherein: include: ontology; and The propeller according to claim 37 is mounted on the body.

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