Underwater liquid cooling propeller
By introducing liquid cooling technology and optimizing the gas-liquid circulation path in the underwater thruster, the heat dissipation problem during high-speed motor output was solved, achieving efficient and stable thruster operation, extending service life and reducing maintenance costs.
Patent Information
- Application Number
- CN202423180978.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing underwater thrusters have poor heat dissipation during high-speed motor output, which leads to a decrease in thruster performance.
Liquid cooling technology is adopted. By setting up a gas-liquid circulation channel in the thruster, the gas-liquid circulation system is used for efficient heat dissipation. The stability of the drive device is enhanced by the tight connection between the stator outer support and the stator inner support, and the gas-liquid circulation path is optimized to reduce fluid resistance.
It improves the heat dissipation efficiency of the thruster, enhances the structural stability and reliability of the drive unit, extends its service life, reduces maintenance costs, and ensures the stable operation of the thruster in high-temperature underwater environments.
Smart Images

Figure CN223672777U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to underwater drive technical field especially relates to a kind of underwater liquid cooling propeller. BACKGROUND
[0002] Underwater propeller, also known as underwater submersible, diving propeller, underwater skateboard or frogman booster, is a kind of instrument without human driving, relying on remote control or automatic control underwater navigation, also called "diving robot" or "underwater robot". Underwater propeller is one of the core components of underwater vehicle, submarine, ship and other underwater vehicles, which provides power for these devices. At the same time, it is also one of the important tools for assisting divers, special forces to dive, underwater shooting, playing sightseeing, exploration and disaster relief. With the continuous deepening of ocean exploration, protection and utilization, the technology and performance of underwater propeller are constantly improving to meet different task requirements.
[0003] But in the process of motor output of propeller, especially in high-speed output, a large amount of heat will be generated. The heat dissipation effect of motor power output of existing propeller is poor for high-speed operation, so it is necessary to make new design for the existing driving heat dissipation structure. UTILITY MODEL CONTENT
[0004] To solve the above problems, the utility model provides an underwater liquid cooling propeller with high efficiency, stability and reliability, which provides an ideal propelling solution for underwater vehicle, underwater robot and other fields.
[0005] The technical scheme adopted by the utility model is: an underwater liquid cooling propeller, comprising a main cabin body, a shell support, a fixed support and a driver, a control module and a power supply module are arranged in the main cabin body, the control module and the power supply module are electrically connected, the control module and the driver are electrically connected; the shell support is arranged on the main cabin body, the fixed support is arranged on the shell support; the driver is arranged at one end of the main cabin body. The driver comprises a driving fairing, a driving device and a driving fan blade, the driving device is arranged in the driving fairing, the driving fan blade is arranged at the driving end of the driving device, one end of the driving fairing is arranged on the main cabin body.
[0006] Further improvement of the above scheme is that the driving device comprises a stator outer support, a stator inner support and a stator assembly, the stator outer support is provided with an outer connecting table, a support shell and a stator connecting end, the stator inner support is provided with a driving shaft and an inner connecting table arranged at one end of the driving shaft, one side of the inner connecting table is connected with one side of the outer connecting table, and one end of the inner connecting table is provided with a rear cavity; the inside of the support shell is provided with a front cavity, one end of the front cavity is connected with the stator connecting end, and the other end is communicated to the rear cavity; one side of the inner connecting table is provided with a gas-liquid outlet and a gas-liquid inlet, the gas-liquid inlet and the gas-liquid outlet are both communicated to the rear cavity, and the stator assembly is arranged on the driving shaft and located in the front cavity; one end of the driving shaft is in sealing connection with the stator connecting end, when radiating heat, the gas-liquid enters the rear cavity from the gas-liquid inlet, enters the front cavity after passing through the rear cavity, and is then led out from the gas-liquid outlet.
[0007] Further improvement of the above scheme is that the main cabin body comprises a placement shell, a sealing front cover and a sealing rear cover, the placement shell is provided with a placement cavity inside, and the control module and the power supply module are arranged in the placement cavity; the sealing front cover and the sealing rear cover are arranged at two ends of the placement shell respectively to seal the two ends of the placement cavity.
[0008] Further improvement of the above scheme is that the outer side of the main cabin body is provided with a sealing connecting column, the sealing connecting column is used for connecting the sealing front cover and the sealing rear cover, so that the sealing front cover and the sealing rear cover seal the two ends of the placement cavity respectively.
[0009] Further improvement of the above scheme is that the sealing front cover is provided with a power switch and a charging interface, the power switch is electrically connected with the control module, and the charging interface is used for power supply of the power supply module.
[0010] Further improvement of the above scheme is that the sealing rear cover is provided with a sealing connecting seat, and the sealing connecting seat is used for connecting the driving device.
[0011] Further improvement of the above scheme is that the shell support comprises two groups of fixed side covers, and the two groups of fixed side covers are arranged at two sides of the main cabin body respectively; the fixed support comprises a connecting frame and a holding part, the connecting frame is arranged on the fixed side cover; and the holding part is provided with at least one.
[0012] Further improvement of the above scheme is that a sealing ring connection is arranged between the outer connecting table and the inner connecting table; the outer connecting table is provided with an assembly step, the inner diameter of the inner connecting table is buckled on the outer diameter of the assembly step, and a control panel is installed on the assembly step.
[0013] Further improvement of the above scheme is that one side of the inner connecting table is provided with a pressure relief assembly, the pressure relief assembly comprises a pressure relief port, a pressure relief rubber piece and a pressure relief fixing block, one end of the pressure relief port is communicated to the rear cavity; the pressure relief fixing block is provided with a through groove corresponding to the pressure relief port, and the pressure relief fixing block is used for fixing the pressure relief rubber piece on the pressure relief port.
[0014] Further improvement of the above scheme is that the pressure relief rubber piece is provided with a pressure relief flange, and the pressure relief flange is protruded towards the pressure relief port.
[0015] Further improvement of the above scheme is that the pressure relief rubber piece is provided with a pressure relief flange, and the pressure relief flange is protruded towards the pressure relief port.
[0016] Further improvement of the above scheme is that the gas-liquid inlet is provided with a plurality of inlet connecting columns, and the inlet connecting column is provided with a threaded connection hole; the gas-liquid outlet is provided with at least one and is provided with a sealing cover at the opening.
[0017] Further improvement of the above scheme is that the stator assembly comprises a stator skeleton and a stator coil arranged on the stator skeleton, and the stator skeleton is fixedly arranged on the driving shaft.
[0018] Further improvement of the above scheme is that the driving shaft is fixedly provided with a fixed rotating shaft, one end of the fixed rotating shaft extends along the axial direction of the driving shaft; further comprising a rotor assembly, the rotor assembly is rotatably connected with the fixed rotating shaft; the rotor assembly comprises a rotor connecting disc and a rotor shell, one end of the rotor connecting disc is provided with a rotor connecting table, one end of the rotor shell is connected with the rotor connecting table, and the inner periphery of the rotor shell is provided with a rotor magnetic tile, the rotor magnetic tile is located outside the front cavity and corresponds to the stator assembly.
[0019] Further improvement of the above scheme is that the rotor connecting disc is provided with a connecting shaft sleeve, the connecting shaft sleeve is internally mounted with a rotating bearing, and one end of the driving shaft is rotatably connected with the rotating bearing.
[0020] The utility model has the advantages of:
[0021] Compared with the existing underwater propeller, the utility model discloses a design through the integration of main cabin body, effectively integrated control module and power module, not only ensure the stability of power supply and the accurate transmission of control instruction, also greatly simplify the system structure, improve the overall reliability and maintenance convenience.Control module and power module's electric connection and control module and driver's electric connection realize efficient information transmission and energy conversion, provide solid foundation for the stable operation of propeller.Secondly, the ingenious setting of shell support and fixed support further enhances the structural strength and stability of propeller.Shell support as the supporting structure of main cabin body can effectively resist the complex pressure and impact of underwater environment, and fixed support ensures the firmness of the whole device in the process of installation and use, reduces the vibration and displacement caused by water flow fluctuation and other factors, thereby prolongs the service life of equipment.Furthermore, the design of driver as the core component of propeller also embodies the high degree of professionalism and practicality.The optimization design of driving fairing effectively reduces the water flow resistance and improves the propelling efficiency;The driving device is built-in in the fairing, which protects the internal mechanical structure from corrosion and damage, and ensures the continuous and stable output of driving force;And driving fan blade maximizes the use of water flow power through the accurate angle and shape design, realizes efficient propulsion.The utility model discloses the characteristics of high efficiency, stability and reliability, provides ideal propelling solution for underwater vehicle, underwater robot and other fields.
[0022] The driving device is stable in structure due to the ingenious design of the stator outer support and the stator inner support, especially the close connection of the outer connection table and the inner connection table. This design not only enhances the overall strength of the driving device, but also provides reliable support for its long-term operation in the complex underwater environment. At the same time, the reasonable layout of the support shell, the front cavity and the rear cavity effectively optimizes the gas-liquid circulation path, reduces the fluid resistance and improves the heat dissipation efficiency. Secondly, the sealed connection technology of the driving shaft and the stator connection end ensures the closed nature of the gas-liquid circulation system, effectively preventing water and other impurities in the underwater environment from entering the driving device, thereby ensuring the cleanliness and reliability of the system. This design is of great significance to prolong the service life of the driving device and reduce maintenance costs. Furthermore, the gas-liquid inlet and the gas-liquid outlet are provided, and their communication mode with the rear cavity provides an efficient heat dissipation channel for the driving device. During heat dissipation, gas and liquid enter the rear cavity from the gas-liquid inlet, undergo sufficient heat exchange, carry heat into the front cavity, and finally are discharged from the gas-liquid outlet. This process not only improves the heat dissipation efficiency, but also effectively reduces the working temperature of the driving device, ensuring its stable operation in the underwater high-temperature environment. In addition, the layout of the stator assembly in the front cavity allows it to fully utilize the space provided by the front cavity for heat dissipation, further improving the heat dissipation effect. At the same time, this layout helps to reduce the vibration and noise of the stator assembly during operation, improving the overall performance of the underwater propeller. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 FIG. 1 is a perspective view of the underwater liquid-cooled propeller of the present application;
[0024] Figure 2 FIG. 2 is another perspective view of the underwater liquid-cooled propeller; Figure 1
[0025] Figure 3 FIG. 3 is an exploded view of the underwater liquid-cooled propeller; Figure 1
[0026] Figure 4 FIG. 4 is another exploded view of the underwater liquid-cooled propeller; Figure 1
[0027] Figure 5 FIG. 5 is a perspective view of the driving device of the underwater liquid-cooled propeller of the present application;
[0028] Figure 6 FIG. 6 is a front view of the driving device; Figure 5
[0029] Figure 7 FIG. 7 is a sectional view of A-A; Figure 6
[0030] Figure 8 For Figure 5 perspective view of the driving device part structure in the middle of the driving device part structure;
[0031] Figure 9 For Figure 5 perspective view of the driving device part structure in the middle of the driving device part structure;
[0032] Figure 10 For Figure 5 front view of the driving device part structure in the middle of the driving device part structure;
[0033] Figure 11 For Figure 10 sectional view of A-A in the middle of the driving device part structure.
[0034] Explanation of reference signs: main cabin body 1, installation shell 11, sealing front cover 12, power switch 121, charging interface 122, sealing rear cover 13, sealing connecting column 14, shell support 2, fixed side cover 21, fixed support 3, connecting frame 31, holding part 32, driver 4, control module 5, power module 6, driving fairing 7, driving device 8, driving fan blade 9;
[0035] stator outer support 81, outer connecting table 811, assembly step 8111, control panel 8112, support shell 812, stator connecting end 813, front cavity 814;
[0036] stator inner support 82, driving shaft 821, fixed rotating shaft 8211, inner connecting table 822, gas-liquid outlet 8221, gas-liquid inlet 8222, rear cavity 823, pressure relief assembly 824, pressure relief port 8241, pressure relief rubber part 8242, pressure relief fixing block 8243, pressure relief flange 8244, sealing flange 8245;
[0037] stator assembly 83, stator framework 831, stator coil 832;
[0038] rotor assembly 84, rotor connecting disc 841, rotor connecting table 8411, connecting shaft sleeve 8412, rotating bearing 8413, rotor shell 842, rotor magnetic tile 8421. DETAILED DESCRIPTION
[0039] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.
[0040] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can also be present.
[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
[0042] As shown in the Figures 1-11 An embodiment of the present application relates to an underwater liquid-cooled propeller, which comprises a main cabin body 1, a shell support 2, a fixed support 3 and a driver 4. The main cabin body 1 is internally provided with a control module 5 and a power module 6. The control module 5 is electrically connected with the power module 6. The control module 5 is electrically connected with the driver 4. The shell support 2 is arranged on the main cabin body 1. The fixed support 3 is arranged on the shell support 2. The driver 4 is arranged at one end of the main cabin body 1. The driver 4 comprises a driving fairing 7, a driving device 8 and a driving fan blade 9. The driving device 8 is arranged in the driving fairing 7. The driving fan blade 9 is arranged at a driving end of the driving device 8. One end of the driving fairing 7 is arranged on the main cabin body 1. The integrated main cabin body 1 design effectively integrates the control module 5 and the power module 6, ensures the stability of power supply and the accurate transmission of control instructions, greatly simplifies the system structure, and improves the overall reliability and maintenance convenience. The electrical connection of the control module 5 and the power module 6 and the electrical connection of the control module 5 and the driver 4 realize efficient information transmission and energy conversion, and provide a solid foundation for the stable operation of the propeller. Secondly, the ingenious arrangement of the shell support 2 and the fixed support 3 further enhances the structural strength and stability of the propeller. The shell support 2, as a supporting structure of the main cabin body 1, can effectively resist the complex pressure and impact of the underwater environment. The fixed support 3 ensures the firmness of the whole device during installation and use, reduces vibration and displacement caused by factors such as water flow fluctuation, and prolongs the service life of the equipment. Furthermore, the driver 4, as the core component of the propeller, also embodies high professionalism and practicality in its design. The optimized design of the driving fairing 7 effectively reduces water flow resistance and improves propelling efficiency. The driving device 8 is built into the fairing, which protects the internal mechanical structure from corrosion and damage, and ensures the continuous and stable output of driving force. The driving fan blade 9 maximizes the use of water flow power through precise angle and shape design, realizing efficient propulsion. The efficient, stable and reliable characteristics of the present application provide an ideal propelling solution for underwater vehicles, underwater robots and other fields.
[0043] Referring to Figures 5-11 As shown, the driving device 8 includes a stator outer support 81, a stator inner support 82, and a stator assembly 83. The stator outer support 81 is provided with an outer connecting platform 811, a support shell 812, and a stator connecting end 813. The stator inner support 82 is provided with a drive shaft 821 and an inner connecting platform 822 arranged at one end of the drive shaft 821. The inner connecting platform 822 is connected to one side of the outer connecting platform 811, and one end of the inner connecting platform 822 is provided with a rear cavity 823. The inside of the support shell 812 is provided with a front cavity 814, one end of which is connected to the stator connecting end 813, and the other end is connected to the rear cavity 823. One side of the inner connecting platform 822 is provided with a gas-liquid outlet 8221 and a gas-liquid inlet 8222, both of which are connected to the rear cavity 823. The stator assembly 83 is arranged on the drive shaft 821 and located in the front cavity 814. One end of the drive shaft 821 is sealingly connected to the stator connecting end 813. During heat dissipation, gas-liquid enters the rear cavity 823 from the gas-liquid inlet 8222, enters the front cavity 814 after passing through the rear cavity 823, and is then discharged from the gas-liquid outlet 8221. Through the ingenious design of the stator outer support 81 and the stator inner support 82, especially the close connection of the outer connecting platform 811 and the inner connecting platform 822, the stability of the structure of the driving device 8 is ensured. This design not only enhances the overall strength of the driving device 8, but also provides reliable support for its long-term operation in complex underwater environments. At the same time, the reasonable layout of the support shell 812, the front cavity 814, and the rear cavity 823 effectively optimizes the gas-liquid circulation path, reduces fluid resistance, and improves heat dissipation efficiency. Secondly, the sealing connection technology of the drive shaft 821 and the stator connecting end 813 ensures the closed nature of the gas-liquid circulation system, effectively preventing water and other impurities in the underwater environment from entering the interior of the driving device 8, thereby ensuring the cleanliness and reliability of the system. This design is of great significance for prolonging the service life of the driving device 8 and reducing maintenance costs. Furthermore, the arrangement of the gas-liquid inlet 8222 and the gas-liquid outlet 8221, as well as their communication mode with the rear cavity 823, provides an efficient heat dissipation channel for the driving device 8. During heat dissipation, gas-liquid enters the rear cavity 823 from the gas-liquid inlet 8222, carries heat after sufficient heat exchange, enters the front cavity 814, and is finally discharged from the gas-liquid outlet 8221. This process not only improves the heat dissipation efficiency, but also effectively reduces the working temperature of the driving device 8, ensuring its stable operation in high-temperature underwater environments. In addition, the layout of the stator assembly 83 in the front cavity 814 allows it to fully utilize the space provided by the front cavity 814 for heat dissipation, further improving the heat dissipation effect. At the same time, this layout helps to reduce the vibration and noise of the stator assembly 83 during operation, improving the overall performance of the underwater propeller.
[0044] Referring to Figures 3-4 As shown, the main cabin body 1 includes a placement shell 11, a sealed front cover 12 and a sealed rear cover 13, the placement shell 11 is provided with a placement cavity, the control module 5 and the power supply module 6 are arranged in the placement cavity; the sealed front cover 12 and the sealed rear cover 13 are arranged at both ends of the placement shell 11 respectively to seal both ends of the placement cavity. Specifically, the outer side of the main cabin body 1 is provided with a sealed connecting column 14, the sealed connecting column 14 is used to connect the sealed front cover 12 and the sealed rear cover 13, so that the sealed front cover 12 and the sealed rear cover 13 seal both ends of the placement cavity respectively. The sealed front cover 12 is provided with a power switch 121 and a charging interface 122, the power switch 121 is electrically connected with the control module 5, and the charging interface 122 is used for power supply of the power supply module 6. The sealed rear cover 13 is provided with a sealed connecting seat, and the sealed connecting seat is used to connect the driving device 8. In the embodiment, the design of the main cabin body 1 constructs a highly sealed placement cavity through the close cooperation of the placement shell 11, the sealed front cover 12 and the sealed rear cover 13, effectively prevents the erosion of the underwater environment to the control module 5 and the power supply module 6, and ensures the stability and reliability of the thruster when working underwater. Secondly, the arrangement of the sealed connecting column 14 not only strengthens the connection strength of the sealed front cover 12 and the sealed rear cover 13, but also further improves the sealing performance of the whole main cabin body 1, so that the thruster can work stably for a long time in deeper water. Furthermore, the power switch 121 and the charging interface 122 arranged on the sealed front cover 12 not only facilitate operation and control, but also avoid the direct influence of the underwater environment on the interface through reasonable layout design, ensuring the normal switching of the power supply and the stable realization of the charging function. Finally, the sealed connecting seat on the sealed rear cover 13 provides a reliable connection point for the driving device 8, ensuring the stability and efficiency of the power output of the thruster. At the same time, the design also facilitates the maintenance and replacement of the driving device 8, reducing the maintenance cost of the thruster.
[0045] The shell support 2 comprises two sets of fixed side covers 21, which are respectively arranged on the two sides of the main cabin body 1; the fixed support 3 comprises a connecting frame 31 and a holding part 32, the connecting frame 31 is arranged on the fixed side cover 21; and the holding part 32 is provided with at least one. In this embodiment, the shell support 2 is tightly attached to the two sides of the main cabin body 1 through the two sets of fixed side covers 21, which not only enhances the sealing performance of the whole propeller, effectively prevents the impact and penetration of high-pressure water flow on the internal structure, but also ensures the stable operation of the liquid cooling system in the extreme underwater environment. The close combination of the fixed side cover 21 and the main cabin body 1 provides a solid protective barrier for the propeller. Secondly, the connecting frame 31, as an important part of the fixed support 3, is ingeniously arranged on the fixed side cover 21, realizing the stable connection of the support and the propeller body. This connection mode not only improves the bearing capacity of the support, but also optimizes the mechanical structure of the propeller, making it more stable and reliable in underwater operation. In addition, the holding part 32 is provided with at least one, which provides a convenient holding point for the operator, facilitating accurate control and movement of the propeller in the underwater environment. The design of the holding part 32 fully considers the ergonomics principle, ensuring the comfort and flexibility during operation.
[0046] Referring to Figures 8-11 As shown, a sealing ring connection is arranged between the outer connecting table 811 and the inner connecting table 822; the outer connecting table 811 is provided with an assembly step 8111, the inner diameter of the inner connecting table 822 is fitted on the outer diameter of the assembly step 8111, and a control panel 8112 is installed on the assembly step 8111. In this embodiment, by setting the sealing ring connection and the fitting design of the outer diameter and the inner diameter, the sealing performance of the device is effectively improved, which can better resist the invasion of external medium and the leakage of internal gas and liquid, and protect the normal operation of the whole system. The design of the sealing ring connection and the assembly step 8111 makes the connection between the outer connecting table 811 and the inner connecting table 822 more firm, enhances the structural stability of the whole device, and reduces the risk of loosening or damage caused by vibration or change of working conditions. Since the control panel 8112 is installed on the assembly step 8111, intelligent control and monitoring of the device can be realized, such as monitoring temperature, pressure and other parameters, so as to realize real-time monitoring and adjustment of the working state of the device, and improve the intelligent level of the device. The improvement of the above structure design will help to improve the sealing performance, structural stability, intelligent degree and operation convenience of the whole underwater liquid cooling propeller 8, thereby comprehensively improving the performance and reliability of the device, meeting more extensive application requirements.
[0047] The inner connecting table 822 is provided with a pressure relief assembly 824 on one side, which comprises a pressure relief port 8241, a pressure relief rubber piece 8242 and a pressure relief fixing block 8243. One end of the pressure relief port 8241 is communicated to the rear cavity 823. The pressure relief fixing block 8243 is provided with a through slot corresponding to the pressure relief port 8241, and is used to fix the pressure relief rubber piece 8242 on the pressure relief port 8241. Specifically, the pressure relief rubber piece 8242 is provided with a pressure relief flange 8244 which protrudes towards the pressure relief port 8241. The pressure relief rubber piece 8242 is provided with a sealing flange 8245 outside the pressure relief flange 8244. The outside of the pressure relief port 8241 is provided with a pressure relief sealing groove which is used to cooperate with the sealing flange 8245. In this embodiment, the communication between the pressure relief port 8241 and the rear cavity 823 ensures smooth circulation of gas and liquid inside the device. The pressure relief rubber piece 8242 and the sealing structure can effectively realize the pressure relief function of gas and liquid, thereby maintaining the stability of the internal pressure of the device. Through the cooperation of the pressure relief flange 8244 and the sealing flange 8245 of the pressure relief rubber piece 8242 with the protrusion of the pressure relief port 8241 and the pressure relief sealing groove, good sealing of the pressure relief port 8241 is realized, preventing gas and liquid leakage and improving the safety and stability of the device. The pressure relief fixing block 8243 is provided with a through slot corresponding to the pressure relief port 8241, which can firmly fix the pressure relief rubber piece 8242 on the pressure relief port 8241, ensuring stable operation of the pressure relief assembly 824 and avoiding the risk of loosening or damage caused by vibration or changes in working conditions.
[0048] The gas-liquid inlet 8222 is provided with a plurality of inlet connecting columns provided with threaded connection holes. The gas-liquid outlet 8221 is provided with at least one sealing cover at the opening. In this embodiment, by providing multiple gas-liquid inlets 8222, multi-channel liquid supply to the device can be realized, effectively controlling the gas-liquid flow and improving the working efficiency and flexibility of the device. The design of the gas-liquid inlet 8222 makes the connection more firm and reliable, and the threaded connection hole can ensure the tightness of the connection, reduce the possibility of gas-liquid leakage, and enhance the stability of the device. By providing at least one gas-liquid outlet 8221 and a sealing cover at the opening, multi-directional liquid discharge of gas and liquid can be realized, which is convenient for removing gas-liquid mixture, keeping the system clean and improving the reliability and stability of the system.
[0049] The stator assembly 83 comprises a stator framework 831 fixedly arranged on the driving shaft 821 and a stator coil 832 arranged on the stator framework 831. Specifically, the driving shaft 821 is fixedly provided with a fixed rotating shaft 8211, and the fixed rotating shaft 8211 extends along the axial direction of the driving shaft 821. The stator assembly 83 is rotationally connected with the fixed rotating shaft 8211. The stator assembly 83 comprises a rotor connecting disc 841 and a rotor shell 842. One end of the rotor connecting disc 841 is provided with a rotor connecting table 8411, and one end of the rotor shell 842 is connected with the rotor connecting table 8411. The inner periphery of the rotor shell 842 is provided with a rotor magnetic tile 8421, and the rotor magnetic tile 8421 is located outside the front cavity 814 and corresponds to the stator assembly 83. The rotor connecting disc 841 is provided with a connecting shaft sleeve 8412, and a rotating bearing 8413 is installed in the connecting shaft sleeve 8412. One end of the driving shaft 821 is rotationally connected with the rotating bearing 8413. In this embodiment, the stator assembly 83 is fixedly arranged on the driving shaft 821 through the stator framework 831, and the driving shaft 821 is further fixedly provided with the fixed rotating shaft 8211. Such a design can ensure the stable connection between the rotor assembly 84 and the fixed rotating shaft 8211, thereby realizing stable transmission and rotational connection. One end of the rotor connecting disc 841 is provided with the connecting shaft sleeve 8412, and the rotating bearing 8413 is installed in the connecting shaft sleeve 8412. One end of the driving shaft 821 is rotationally connected with the rotating bearing 8413. Such a design can reduce the friction loss in the transmission process and improve the transmission efficiency and stability. The rotor assembly 84 comprises the rotor connecting disc 841 and the rotor shell 842, and the inner periphery of the rotor shell 842 is provided with the rotor magnetic tile 8421. The rotor magnetic tile 8421 is located outside the front cavity 814 and corresponds to the stator assembly 83. Such a design enables the rotor assembly 84 to flexibly rotate at a position corresponding to the stator assembly 83, thereby realizing effective circulation and heat dissipation of the gas-liquid. The rotational connection of the rotor assembly 84 and the corresponding design with the stator assembly 83 are beneficial to increasing the efficiency of gas-liquid circulation and improving the heat dissipation performance of the device, thereby ensuring long-term stable operation of the equipment.
[0050] The above embodiments only express several embodiments of the present application, and the description is relatively specific and detailed, but it cannot be understood as a limitation on the patent scope of the present application. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.
Claims
1. An underwater liquid-cooled propulsor, characterized by: The utility model provides a kind of main cabin body, shell support, fixed support and driver, control module and power module are arranged in the main cabin body, the control module is electrically connected with power module, the control module is electrically connected with driver;The shell support is arranged on main cabin body, the fixed support is arranged on shell support;The driver is arranged at one end of main cabin body; The driver includes driving dome, driving device and driving fan blade, the driving device is arranged in driving dome, the driving fan blade is arranged in the driving end of driving device, one end of the driving dome is arranged on the main cabin body;The driving device includes stator outer support, stator inner support, stator assembly and rotor assembly, the stator outer support is provided with outer connecting table, support shell and stator connecting end, the stator inner support is provided with driving shaft and inner connecting table arranged at one end of driving shaft, one side of the inner connecting table is connected with one side of outer connecting table, one end of the inner connecting table is provided with rear cavity;The inside of the support shell is provided with front cavity, one end of the front cavity is connected with stator connecting end, and the other end is communicated to rear cavity;One side of the inner connecting table is provided with gas-liquid outlet and gas-liquid inlet, the gas-liquid inlet and the gas-liquid outlet are both communicated to the rear cavity, the stator assembly is arranged on the driving shaft and located in the front cavity;One end of the driving shaft is sealingly connected with the stator connecting end, when radiating, gas-liquid enters the rear cavity from the gas-liquid inlet, enters the front cavity after passing through the rear cavity, and is then guided out from the gas-liquid outlet;The fixed rotating shaft is fixedly arranged on the driving shaft, and one end of the fixed rotating shaft extends along the axial direction of the driving shaft;The rotor assembly is rotatably connected with the fixed rotating shaft;One side of the inner connecting table is provided with pressure relief assembly, the pressure relief assembly includes pressure relief port, pressure relief rubber piece and pressure relief fixed block, one end of the pressure relief port is communicated to the rear cavity.
2. The underwater liquid-cooled propulsor of claim 1, wherein: The main cabin body includes setting shell, sealing front cover and sealing rear cover, the setting shell is provided with a setting cavity, and the control module and the power module are arranged in the setting cavity;The sealing front cover and the sealing rear cover are arranged at two ends of the setting shell respectively to seal the two ends of the setting cavity.
3. The underwater liquid-cooled propulsor of claim 1, wherein: The outer side of the main cabin body is provided with a sealing connecting column, the sealing connecting column is used to connect the sealing front cover and the sealing rear cover, so that the sealing front cover and the sealing rear cover seal the two ends of the setting cavity respectively; The sealing front cover is provided with a power switch and a charging interface, the power switch is electrically connected with the control module, and the charging interface is used for power supply of the power module; The sealing rear cover is provided with a sealing connecting seat, and the sealing connecting seat is used to connect the driving device.
4. The underwater liquid-cooled propulsor of claim 1, wherein: The shell support includes two groups of fixed side covers, and the two groups of fixed side covers are arranged at two sides of the main cabin body respectively;The fixed support includes a connecting frame and a holding part, the connecting frame is arranged on the fixed side cover;The holding part is provided with at least one.
5. The underwater liquid-cooled propulsor of claim 1, wherein: A sealing ring is arranged between the outer connecting table and the inner connecting table;The outer connecting table is provided with an assembly step, the inner diameter of the inner connecting table is fitted on the outer diameter of the assembly step, and a control panel is mounted on the assembly step.
6. The underwater liquid-cooled propulsor of claim 5, wherein: The pressure relief fixed block is provided with a through groove corresponding to the pressure relief port, and is used for fixing the pressure relief rubber piece on the pressure relief port; The pressure relief rubber piece is provided with a pressure relief flange which is protruded towards the pressure relief port; The pressure relief rubber piece is provided with a sealing flange outside the pressure relief flange, and the pressure relief port is provided with a pressure relief sealing groove outside, which is used for matching the sealing flange.
7. The underwater liquid-cooled propulsor of claim 1, wherein: The gas-liquid inlet is provided with a plurality of inlet connecting columns provided with threaded connection holes; and the gas-liquid outlet is provided with at least one sealing cover at the opening.
8. The underwater liquid-cooled propulsor of claim 1, wherein: The stator assembly comprises a stator framework and a stator coil arranged on the stator framework, and the stator framework is fixedly arranged on the driving shaft.
9. The underwater liquid-cooled propulsor of claim 1, wherein: The rotor assembly comprises a rotor connecting disc and a rotor shell, one end of the rotor connecting disc is provided with a rotor connecting table, one end of the rotor shell is connected with the rotor connecting table, the inner periphery of the rotor shell is provided with a rotor magnetic tile, the rotor magnetic tile is located outside the front cavity and corresponds to the stator assembly.
10. The underwater liquid-cooled propulsor of claim 9, wherein: The rotor connecting disc is provided with a connecting shaft sleeve, a rotating bearing is installed in the connecting shaft sleeve, and one end of the driving shaft is rotatably connected with the rotating bearing.