Wire for propulsion motor
By designing a flat outer protective sleeve, seven copper wire stranded cores, and a composite protective layer, the problem of poor heat dissipation in the propulsion motor conductors was solved, improving the heat dissipation and mechanical properties of the conductors and ensuring the stable operation of the motor.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-04-03
AI Technical Summary
The existing propulsion motor's wires have poor heat dissipation capabilities, making them prone to damage and affecting the stability of the motor's operation.
The design features a flat outer protective sleeve with grooves at intervals, a core structure of seven twisted copper wires, a carbon fiber or glass fiber composite protective layer, and a polyvinyl chloride insulation sleeve. The outer surface is coated with a halogen-free flame retardant, and a copper frame is used for heat dissipation, support, and positioning.
It improves the heat dissipation performance and mechanical strength of the conductor, ensures the stability and safety of motor operation, and extends the service life of the conductor.
Smart Images

Figure CN224082237U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of motor wire technology, specifically to a wire for a propulsion motor. Background Technology
[0002] A propulsion motor is a device that converts electrical energy into mechanical energy, primarily used to provide propulsion power. Its working principle is based on electromagnetic induction and mainly includes a stator, rotor, and brushes. The stator is the stationary part of the motor, mainly composed of an iron core and coils; the rotor is the rotating part, mainly composed of permanent magnets or electromagnets and coils; the brushes act as a bridge connecting the power supply and the rotor coils, primarily transmitting current to the rotor coils. Propulsion motors are widely used in marine propulsion due to their high efficiency and controllability. By controlling the magnitude and direction of the current, the motor's speed and direction can be precisely controlled, thus achieving precise ship control. Furthermore, propulsion motors are also suitable for other fields requiring precise control, such as robotics and drones. The wiring of a propulsion motor typically includes power lines. These power lines are the main lines entering the motor, usually two or three, responsible for providing the motor's power input.
[0003] The existing propulsion motors all use ordinary wires, which are wires with a circular cross-section. If the propulsion motor requires a large current to operate, the heat dissipation capacity of ordinary wires is poor, and they cannot dissipate the heat in time, which can easily lead to wire damage and affect the stability of the propulsion motor. Utility Model Content
[0004] The purpose of this invention is to provide a wire for a propulsion motor, which solves the problem of poor heat dissipation capacity of ordinary wires used in propulsion motors in the prior art.
[0005] This utility model provides the following technical solution: a wire for a propulsion motor, comprising:
[0006] An outer protective sleeve, wherein grooves are provided at both the top and bottom of the outer protective sleeve;
[0007] A heat dissipation positioning mechanism is provided on the outer protective sleeve, and the heat dissipation positioning mechanism is used to provide support and positioning for the outer protective sleeve with a heat dissipation effect.
[0008] As a preferred embodiment of the above technical solution, a protective layer is fixedly connected to the inner wall of the outer protective sleeve, and a composite protective layer is fixedly connected to the inner wall of the protective layer.
[0009] Through the above technical solution, the composite protective layer design can be combined with the insulating sleeve and conductor to form a composite structure wire, which can significantly improve mechanical strength while maintaining good conductivity.
[0010] As a preferred embodiment of the above technical solution, an insulating sleeve is fixedly connected to the inner wall of the composite protective layer, and a conductor is fixedly connected to the inner wall of the insulating sleeve. The conductor is a core formed by seven copper wires twisted together.
[0011] The above technical solution increases the total cross-sectional area of the conductor through conductor design, thereby improving the conductor's heat dissipation performance and mechanical strength.
[0012] As a preferred embodiment of the above technical solution, a flame-retardant coating is applied to the outer surface of the outer protective sleeve, and the thickness of the flame-retardant coating is set to 10 micrometers.
[0013] The above technical solution, through the design of a flame-retardant coating, improves the fire-retardant performance of the outer protective cover.
[0014] As a preferred embodiment of the above technical solution, the heat dissipation positioning mechanism includes a positioning base plate, a raised frame fixedly mounted on the top of the positioning base plate, a copper frame fixedly mounted on the top of the raised frame, and the copper frame being movably connected to the outer wall of the outer protective sleeve.
[0015] The above technical solution, through the design of a copper frame, provides good support for the outer protective cover in terms of heat dissipation.
[0016] As a preferred embodiment of the above technical solution, a first protrusion is fixedly installed at the bottom of the outer protective sleeve, and a second protrusion is fixedly installed at the bottom of the outer protective sleeve.
[0017] Through the above technical solution, the design of the first and second protrusions allows the user to move the positioning substrate, so that the mounting medium is located between the first and second protrusions, which facilitates the positioning work.
[0018] As a preferred embodiment of the above technical solution, one side of the second protrusion is threadedly connected to a threaded component, and the threaded end of the threaded component extends to the other side of the second protrusion.
[0019] The above technical solution, through the design of the threaded component, facilitates the installation of the positioning base plate using an external mounting medium.
[0020] Compared with the prior art, the beneficial effects of this utility model are:
[0021] This invention increases the surface area of the structure by designing the outer protective sleeve as flat and incorporating grooves between the two conductors on the outer protective sleeve. This increases the contact area between the structure and external heat dissipation media such as air, facilitating rapid heat dissipation of the conductors inside the outer protective sleeve. This avoids the problem of poor heat dissipation and easy damage caused by ordinary wires, extending the service life of the structure and ensuring the stability of the driving motor. The conductor is designed as a core of seven copper wires twisted together, which increases the total cross-sectional area of the conductor, improving its heat dissipation performance and mechanical strength. The composite protective layer design, combined with the insulating sleeve and conductor, forms a composite wire structure, significantly improving mechanical strength while maintaining good conductivity. Attached Figure Description
[0022] Figure 1 This is a perspective view of the present utility model;
[0023] Figure 2 This is a schematic diagram of the structure of the buffer protective layer of this utility model;
[0024] Figure 3 This is a schematic diagram of the structure of the outer protective sleeve of this utility model;
[0025] Figure 4 This is a schematic diagram of the heat dissipation positioning mechanism of this utility model.
[0026] In the diagram: 1. Outer protective sleeve; 11. Flame-retardant coating; 12. Groove; 13. Protective layer; 14. Composite protective layer; 15. Insulating sleeve; 16. Conductor; 2. Heat dissipation positioning mechanism; 21. Positioning base plate; 22. Raised frame; 23. Copper frame; 24. Raised block No. 1; 25. Raised block No. 2; 26. Threaded part. Detailed Implementation
[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0028] like Figures 1-4 As shown, this utility model provides a technical solution: a wire for a propulsion motor, comprising:
[0029] The outer protective sleeve 1 has grooves 12 on both the top and bottom. By making the shape of the outer protective sleeve 1 flat, and designing grooves 12 at the interval between the two conductors 16 on the outer protective sleeve 1, the contact area between this structure and the heat dissipation medium such as the outside air is increased, which facilitates the rapid heat dissipation of the conductors 16 inside the outer protective sleeve 1, so as to ensure the stability of the drive motor when it is working.
[0030] Heat dissipation positioning mechanism 2 is installed on the outer protective sleeve 1 and is used to provide support and positioning for the outer protective sleeve 1 with heat dissipation effect.
[0031] As one implementation method in this embodiment, such as Figure 1 , Figure 2 As shown, a protective layer 13 is fixedly connected to the inner wall of the outer protective sleeve 1, a composite protective layer 14 is fixedly connected to the inner wall of the protective layer 13, an insulating sleeve 15 is fixedly connected to the inner wall of the composite protective layer 14, and a conductor 16 is fixedly connected to the inner wall of the insulating sleeve 15. The conductor 16 is a core formed by seven copper wires twisted together. By designing the conductor 16 as a core formed by seven copper wires twisted together, the total cross-sectional area of the conductor 16 can be increased, improving the heat dissipation performance and mechanical strength of the conductor 16. The composite protective layer 14 is made of high-strength composite materials such as carbon fiber or glass fiber. Through the design of the composite protective layer 14, it forms a composite structure conductor with the insulating sleeve 15 and the conductor 16, which significantly improves mechanical strength while maintaining good conductivity. The insulating sleeve 15 and the outer protective sleeve 1 are both made of polyvinyl chloride, and the protective layer 13 is made of semi-conductive non-woven fabric. The protective layer 13 plays a shielding role, reducing the impact of external electromagnetic interference on the internal conductor 16 of this structure.
[0032] As one implementation method in this embodiment, such as Figure 3 As shown, a flame-retardant coating 11 is coated on the outer surface of the outer protective sleeve 1. The thickness of the flame-retardant coating 11 is set to 10 micrometers. The material of the flame-retardant coating 11 is a halogen-free flame retardant. Through the design of the flame-retardant coating 11, the fire-retardant performance of the outer protective sleeve 1 can be improved, and the safety of this structure in special environments can be improved. Through the design of the thickness of the flame-retardant coating 11, the thickness can be reduced and the material usage can be reduced while ensuring the fire-retardant performance and maintaining the heat dissipation effect of the conductor 16.
[0033] As one implementation method in this embodiment, such as Figure 4As shown, the heat dissipation positioning mechanism 2 includes a positioning base plate 21. A raised frame 22 is fixedly installed on the top of the positioning base plate 21, and a copper frame 23 is fixedly installed on the top of the raised frame 22. The copper frame 23 is movably connected to the outer wall of the outer protective sleeve 1. A first raised block 24 is fixedly installed on the bottom of the outer protective sleeve 1, and a second raised block 25 is fixedly installed on the bottom of the outer protective sleeve 1. A threaded part 26 is threadedly connected to one side of the second raised block 25, and the threaded end of the threaded part 26 extends to the other side of the second raised block 25. During use, excess wires inevitably accumulate. To improve the neatness of the cables and facilitate maintenance, they need to be stored and organized. When storing excess wires, cable ties and Velcro are often used. The tools are wrapped around the wire and positioned using an external mounting medium. Wrapping the wire can reduce its heat dissipation and affect the overall stability of the wire. In this case, the copper frame 23 can be fitted onto the outer wall of the outer protective sleeve 1. Then, the positioning base plate 21 can be moved so that the mounting medium is between the first protrusion 24 and the second protrusion 25. Then, the threaded part 26 is tightened so that the threaded end of the threaded part 26 is in contact with the mounting medium, thus realizing the function of storing the wire. At this time, the storage point and the wire are only in contact through the copper frame 23. The contact area is small, and the copper frame 23 is made of copper, which can ensure the heat dissipation effect at the wire positioning point and ensure the stability of the wire in use.
[0034] Working principle: By electrically connecting conductor 16 between the propulsion motor and the power supply, the propulsion motor can be powered. By making the outer protective sleeve 1 flat and designing grooves 12 between the two conductors 16 on the outer protective sleeve 1, the heat dissipation performance of conductor 16 is improved. The conductor 16 is designed as a core formed by seven copper wires twisted together, which increases the total cross-sectional area of conductor 16, improving the heat dissipation performance and mechanical strength of conductor 16. The composite protective layer 14 is made of high-strength composite materials such as carbon fiber or glass fiber. Through the design of the composite protective layer 14, together with the insulating sleeve 15 and conductor 16, a composite structure wire is formed, which significantly improves mechanical strength while maintaining good conductivity. When storing the excess part of this structure, the copper frame 23 is fitted onto the outer wall of the outer protective sleeve 1, and then the entire positioning base plate 21 is moved so that the mounting medium is between the first protrusion 24 and the second protrusion 25. Then the threaded part 26 is tightened so that the threaded end of the threaded part 26 is attached to the mounting medium, thus completing the storage of the wire to provide heat dissipation support.
[0035] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.
Claims
1. A wire for propelling an electric machine, characterized in that, Include: The outer protective sleeve (1), the top and bottom of the outer protective sleeve (1) are provided with grooves (12); The heat dissipation positioning mechanism (2) is arranged on the outer protective sleeve (1), and the heat dissipation positioning mechanism (2) is used for supporting and positioning the outer protective sleeve (1) with heat dissipation effect.
2. A wire for a propulsion motor according to claim 1, characterized in that: The inner wall of the outer protective sleeve (1) is fixedly connected with a protective layer (13), and the inner wall of the protective layer (13) is fixedly connected with a composite protective layer (14).
3. A wire for a propulsion motor according to claim 2, characterized in that: The inner wall of the composite protective layer (14) is fixedly connected with an insulating sleeve (15), the inner wall of the insulating sleeve (15) is fixedly connected with a conductor (16), and the conductor (16) is a wire core formed by seven copper wires.
4. A wire for a propulsion motor as defined in claim 1, wherein: The outer surface of the outer protective sleeve (1) is coated with a flame-retardant coating (11), and the thickness of the flame-retardant coating (11) is 10 microns.
5. A wire for a propulsion motor as defined in claim 1, wherein: The heat dissipation positioning mechanism (2) includes a positioning base plate (21), the top of the positioning base plate (21) is fixedly installed with a protruding frame (22), the top of the protruding frame (22) is fixedly installed with a copper frame (23), and the copper frame (23) is movably connected to the outer wall of the outer protective sleeve (1).
6. A wire for a propulsion motor according to claim 5, characterized in that: The bottom of the outer protective sleeve (1) is fixedly installed with a first protruding block (24), and the bottom of the outer protective sleeve (1) is fixedly installed with a second protruding block (25).
7. A wire for a propulsion motor according to claim 6, characterized in that: The side of the second protruding block (25) is threadedly connected with a threaded part (26), and the threaded end of the threaded part (26) extends to the other side of the second protruding block (25).