High performance axial flux propulsion motor
Patent Information
- Application Number
- CN202522168353.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-14
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-10-14
AI Technical Summary
[0003]然而，现有的高性能轴向磁通推进电机在使用的过程中存在以下的问题：传统的推进电机在使用时扭矩过小，效率低等缺点，此外，还有散热效果差，在高要求的场合下，往往不能满足要求
1、 本实用新型通过高磁导块是采用铁氧体软磁制成，铁氧体软磁材料具有低矫顽力、高电阻率和低涡流损耗特性，通过晶粒尺寸控制与离子掺杂优化显微结构，以满足高频电磁兼容需求，提升了扭矩密度和持续性。
Smart Images
Figure CN224909242U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of heat dissipation technology for propulsion motors, specifically a high-performance axial flux propulsion motor. Background Technology
[0002] The integrated motor propulsion unit consists of an integrated motor, a fairing, rotor blades, and a stator vane. The motor directly drives the propeller. The motor rotor and the pump-jet propulsion rotor are designed as a single unit. The motor magnets are mounted on the rotor rim, and the rotor is mounted on a mounting shaft via bearings, allowing it to rotate freely around the shaft.
[0003] However, existing high-performance axial flux propulsion motors have the following problems during use: traditional propulsion motors have disadvantages such as low torque and low efficiency. In addition, they have poor heat dissipation and often cannot meet the requirements in demanding applications. Utility Model Content
[0004] The purpose of this invention is to provide a high-performance axial flux propulsion motor to solve the related problems mentioned in the background art.
[0005] To solve the above technical problems, the present invention provides the following technical solution: a high-performance axial flux propulsion motor, including an axial flux propulsion motor housing, an oil-cooled rotor assembly, and a fixed mounting slot. The fixed mounting slot is provided inside the axial flux propulsion motor housing, and a high magnetic permeability block is provided inside the fixed mounting slot. The oil-cooled rotor assembly is provided inside the axial flux propulsion motor housing, and a heat dissipation mechanism is provided on the outer wall of the oil-cooled rotor assembly. The heat dissipation mechanism includes a heat-conducting layer and a heat dissipation layer, and the heat dissipation layer is attached to the outer wall of the heat-conducting layer by a heat-conducting adhesive.
[0006] As a preferred embodiment of the high-performance axial flux propulsion motor of this utility model, the axial flux propulsion motor housing is provided with an axial drive connection port.
[0007] As a preferred embodiment of the high-performance axial flux propulsion motor of this utility model, the outer wall of the housing of the axial flux propulsion motor is provided with a thermally conductive silicone sheet.
[0008] As a preferred embodiment of the high-performance axial flux propulsion motor of this utility model, the high magnetic permeability block is made of ferrite soft magnet.
[0009] As a preferred embodiment of the high-performance axial flux propulsion motor of this utility model, the heat-conducting layer is made of aluminum block.
[0010] As a preferred embodiment of the high-performance axial flux propulsion motor of this utility model, the heat dissipation layer is made of graphene film.
[0011] The advantages of this high-performance axial flux propulsion motor are as follows: 1. This utility model uses a high-permeability block made of ferrite soft magnetic material. Ferrite soft magnetic material has the characteristics of low coercivity, high resistivity and low eddy current loss. By controlling the grain size and optimizing the microstructure with ion doping, it meets the requirements of high-frequency electromagnetic compatibility and improves the torque density and continuity.
[0012] 2. This utility model can effectively improve the thermal conductivity by adding thermally conductive aluminum blocks and graphene films to the outer wall of the oil-cooled rotor assembly. It has both high thermal conductivity and high flexibility, and through the thermally conductive adhesive, it can achieve good physical heat dissipation. Attached Figure Description
[0013] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the front sectional view of the present invention; Figure 3 For the present utility model Figure 2 A magnified structural diagram at point A.
[0014] In the diagram: 1. Axial flux propulsion motor housing; 2. Oil-cooled rotor assembly; 3. High magnetic permeability block; 4. Fixed mounting slot; 5. Axial drive connection port; 6. Heat-conducting layer; 7. Heat dissipation layer. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0016] Example 1, as Figure 1-2 As shown, this utility model provides a technical solution: a high-performance axial flux propulsion motor, including an axial flux propulsion motor housing 1, an oil-cooled rotor assembly 2, and a fixed mounting slot 4. The fixed mounting slot 4 is provided inside the axial flux propulsion motor housing 1, and a high permeability block 3 is provided inside the fixed mounting slot 4. The high permeability block 3 is made of ferrite soft magnetic material. Ferrite soft magnetic material has the characteristics of low coercivity, high resistivity, and low eddy current loss. By controlling the grain size and optimizing the microstructure with ion doping, it meets the requirements of high-frequency electromagnetic compatibility and improves torque density and continuity.
[0017] Example 2, as Figure 1-3As shown, this utility model provides a technical solution: a high-performance axial flux propulsion motor, including an axial flux propulsion motor housing 1 with an oil-cooled rotor assembly 2 inside, and a heat dissipation mechanism on the outer wall of the oil-cooled rotor assembly 2. The heat dissipation mechanism includes a thermally conductive layer 6 and a heat dissipation layer 7. The heat dissipation layer 7 is attached to the outer wall of the thermally conductive layer 6 by a thermally conductive adhesive. A thermally conductive silicone sheet is provided on the outer wall of the axial flux propulsion motor housing 1. The thermally conductive layer 6 is made of aluminum block, and the heat dissipation layer 7 is made of graphene film. An axial drive connection port 5 is provided inside the axial flux propulsion motor housing 1. By adding thermally conductive aluminum block and graphene film to the outer wall of the oil-cooled rotor assembly 2, the thermal conductivity can be effectively improved, resulting in high thermal conductivity and high flexibility. The thermally conductive adhesive provides good physical heat dissipation.
[0018] Working principle: First, a thermally conductive silicone pad is installed on the housing 1 of the axial flux propulsion motor, which can quickly dissipate heat from the oil-cooled rotor assembly 2 and the high permeability block 3 inside the housing 1. The thermal conductivity can be effectively improved by adding thermally conductive aluminum blocks and graphene films to the outer wall of the oil-cooled rotor assembly 2. It has high thermal conductivity and high flexibility. The thermally conductive adhesive can achieve good physical heat dissipation. In addition, the high permeability block 3 is made of ferrite soft magnetic material. Ferrite soft magnetic material has low coercivity, high resistivity and low eddy current loss characteristics. The microstructure is optimized by controlling the grain size and ion doping to meet the requirements of high frequency electromagnetic compatibility and improve torque density and continuity.
[0019] Finally, it should be noted that the above content is only used to illustrate the technical solution of this utility model, and is not intended to limit the scope of protection of this utility model. Simple modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model do not depart from the essence and scope of the technical solution of this utility model.
Claims
1. A high-performance axial flux propulsion motor, comprising an axial flux propulsion motor housing (1), an oil-cooled rotor assembly (2), and a mounting slot (4), characterized in that: The axial flux propulsion motor housing (1) has a fixed mounting groove (4) inside, and a high magnetic permeability block (3) is provided inside the fixed mounting groove (4). The axial flux propulsion motor housing (1) has an oil-cooled rotor assembly (2) inside, and a heat dissipation mechanism is provided on the outer wall of the oil-cooled rotor assembly (2). The heat dissipation mechanism includes a heat-conducting layer (6) and a heat dissipation layer (7), and the heat dissipation layer (7) is attached to the outer wall of the heat-conducting layer (6) by a heat-conducting adhesive.
2. The high-performance axial flux propulsion motor according to claim 1, characterized in that: The outer wall of the housing (1) of the axial flux propulsion motor is provided with a thermally conductive silicone sheet.
3. The high-performance axial flux propulsion motor according to claim 1, characterized in that: The axial drive connection port (5) is provided inside the housing (1) of the axial flux propulsion motor.
4. A high-performance axial flux propulsion motor according to claim 1, characterized in that: The high permeability block (3) is made of ferrite soft magnet.
5. A high-performance axial flux propulsion motor according to claim 1, characterized in that: The heat-conducting layer (6) is made of aluminum block.
6. A high-performance axial flux propulsion motor according to claim 1, characterized in that: The heat dissipation layer (7) is made of graphene film.