High-efficiency heat dissipation motor stator
By using alternating silicon steel stator plates and heat-conducting copper ring plates in the motor stator, combined with a limiting structure and cooling channels, the problem of poor heat dissipation in the motor stator is solved, achieving efficient heat transfer and heat dissipation.
Patent Information
- Application Number
- CN202520585213.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Existing heat dissipation methods for motor stators have limitations, resulting in poor heat conduction.
The stator uses alternating silicon steel stator plates and thermally conductive copper ring plates, connected by a limiting structure and slots, and achieves efficient heat dissipation through cooling channels and condensate circulation.
The heat dissipation effect of the motor stator is improved. The heat dissipation is absorbed and released by the heat-conducting copper ring plate, and the coolant carries away the heat in the channel, achieving rapid heat dissipation.
Smart Images
Figure CN223967717U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of motor stator technology, specifically relating to a high-efficiency heat dissipation motor stator. Background Technology
[0002] The stator of a motor is a crucial component of motors such as electric motors and generators. It is the stationary part and mainly consists of three parts: the stator core, the stator windings, and the frame. The stator core is part of the motor's main magnetic circuit and is generally made of multiple insulated silicon steel sheets, each 0.55mm thick, stacked together. Slots are cut into the inner circumference to house the stator windings. Silicon steel is a special alloy material with high strength, high magnetic permeability, low electrical resistance, good corrosion resistance, and wear resistance. It can withstand high current and high temperature. The stacking of multiple silicon steel sheets to form the core enhances magnetic permeability and reduces magnetic field losses within the core. The stator windings are the stator circuit part of the motor. They establish a rotating magnetic field and induce an electromotive force through the applied current to achieve electromechanical energy conversion. The windings are made of wire, commonly copper or aluminum wire.
[0003] The frame is used to fix and support the stator core, and must have sufficient mechanical strength and rigidity. For small and medium-sized motors, cast iron frames are generally used; for large motors, welded steel plate frames are generally used. Frame materials vary. For example, the frame of a closed motor has heat dissipation fins on the outside to increase the heat dissipation area; the frame of a protective motor has ventilation holes at both ends of the frame, allowing direct air convection between the inside and outside of the motor to facilitate heat dissipation; while the main function of the generator frame is to serve as a support structure for the stator core laminations, bear the stator torque and transmit it to the feet; it also forms a channel for cooling gas and a support structure for bearings, frame, and cooler.
[0004] Currently, the main heat dissipation methods for motor stators include natural cooling, forced cooling (such as forced air cooling and liquid cooling), and the more advanced evaporative cooling method. However, these heat dissipation methods still have certain limitations in practical applications, resulting in the inability to conduct heat quickly. Utility Model Content
[0005] The purpose of this invention is to provide a highly efficient heat-dissipating motor stator, aiming to address the limitations of existing heat dissipation methods, which mainly include natural cooling, forced cooling, and the more advanced evaporative cooling. These methods still have certain limitations in practical applications, resulting in the inability to conduct heat quickly.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency heat-dissipating motor stator, comprising a silicon steel stator lamination, a winding post, and a stator winding. The inner wall of the silicon steel stator lamination is connected to the winding post, and the surface of the winding post is surrounded by the stator winding. A limiting post is connected to the side surface of the silicon steel stator lamination, and a heat-conducting copper ring plate is provided on the side of the silicon steel stator lamination near the limiting post. A limiting hole is formed on the surface of the heat-conducting copper ring plate near the limiting post.
[0007] As a preferred embodiment of the high-efficiency heat dissipation motor stator of this utility model, the silicon steel stator single sheet and the heat-conducting copper ring plate are arranged alternately, the silicon steel stator single sheet and the heat-conducting copper ring plate are pressed against each other, and the inner rings of two adjacent silicon steel stator single sheets are pressed against each other.
[0008] As a preferred embodiment of the high-efficiency heat dissipation motor stator of this utility model, four sets of limiting posts and limiting holes are provided, and the heat-conducting copper ring plate forms a limiting structure through the limiting holes and limiting posts.
[0009] As a preferred embodiment of the high-efficiency heat dissipation motor stator of this utility model, a first slot is formed on the outer surface of the silicon steel stator plate, and a second slot is formed on the outer surface of the heat-conducting copper ring plate. A cooling channel is connected to the inner side of the first slot and the second slot.
[0010] As a preferred embodiment of the high-efficiency heat dissipation motor stator of this utility model, the cooling channel forms an engaging structure with the silicon steel stator single piece through the first slot, and the cooling channel forms an engaging structure with the heat-conducting copper ring plate through the second slot.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] In this invention, the heat-conducting copper ring plate can absorb the heat from the silicon steel stator single sheet through its excellent thermal conductivity, and the heat can dissipate through the edge of the heat-conducting copper ring plate; at the same time, the condensate can carry away the heat from the silicon steel stator single sheet and the interior of the heat-conducting copper ring plate during the circulation of the cooling channel, thereby further dissipating heat and improving the heat dissipation effect of the motor stator. Attached Figure Description
[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0015] Figure 2 This is a schematic diagram of the rear view structure of this utility model;
[0016] Figure 3 This is an exploded view of the connection structure between the silicon steel stator single piece and the heat-conducting copper ring plate of this utility model;
[0017] Figure 4 This is a schematic diagram of the cooling channel structure of this utility model.
[0018] In the diagram: 1. Silicon steel stator single piece; 2. Winding post; 3. Stator winding; 4. Limiting post; 5. Heat-conducting copper ring plate; 6. Limiting hole; 7. First slot; 8. Second slot; 9. Cooling channel. Detailed Implementation
[0019] 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.
[0020] Please see Figures 1-4 The present invention provides the following technical solution: a high-efficiency heat dissipation motor stator, comprising a silicon steel stator plate 1, a winding post 2, and a stator winding 3. The inner wall of the silicon steel stator plate 1 is connected to the winding post 2, and the surface of the winding post 2 is surrounded by the stator winding 3. The side surface of the silicon steel stator plate 1 is connected to a limiting post 4, and a heat-conducting copper ring plate 5 is provided on the side of the silicon steel stator plate 1 near the limiting post 4. A limiting hole 6 is opened on the surface of the heat-conducting copper ring plate 5 near the limiting post 4.
[0021] First, the silicon steel stator single pieces 1 are stacked and pressed together. Then, the stator winding 3 is wound around the surface of the winding column 2. Next, the stator is installed on the inner wall of the motor housing. Then, the stator is installed inside the motor housing through the interior of the stator and through the bearing. When the motor stator is energized, it generates a rotating magnetic field. The main function of the rotor is to be cut by the magnetic lines of force in the rotating magnetic field, thereby generating output current.
[0022] Preferably, the silicon steel stator single piece 1 and the heat-conducting copper ring plate 5 are arranged alternately, the silicon steel stator single piece 1 and the heat-conducting copper ring plate 5 are pressed against each other, and the inner rings of two adjacent silicon steel stator single pieces 1 are pressed against each other.
[0023] In practical use, the heat-conducting copper ring plate 5 can transfer heat between the silicon steel stator single pieces 1 through its thermal conductivity.
[0024] Preferably, four sets of limiting posts 4 and limiting holes 6 are provided, and the heat-conducting copper ring plate 5 forms a limiting structure between the limiting holes 6 and the limiting posts 4.
[0025] In practical use, the heat-conducting copper ring plate 5 can drive the limiting hole 6 to fit on the surface of the limiting post 4, thus limiting the heat-conducting copper ring plate 5.
[0026] Preferably, a first slot 7 is provided on the outer surface of the silicon steel stator single piece 1, and a second slot 8 is provided on the outer surface of the heat-conducting copper ring plate 5. A cooling channel 9 is connected to the inner side of the first slot 7 and the second slot 8.
[0027] Preferably, the cooling channel 9 forms an engagement structure with the silicon steel stator single piece 1 through the first slot 7, and the cooling channel 9 forms an engagement structure with the heat-conducting copper ring plate 5 through the second slot 8.
[0028] In practical use, the heat-conducting copper ring plate 5 can be pressed into the interior of the first slot 7 and the second slot 8, thereby realizing the installation of the heat-conducting copper ring plate 5.
[0029] Working principle: When using this motor stator, the cooling channel 9 is first connected to the external condensation mechanism. When the motor generates heat inside the motor stator, the silicon steel stator single piece 1 is heated by the heat. At this time, the heat-conducting copper ring plate 5 can absorb the heat of the silicon steel stator single piece 1 through its good thermal conductivity. The heat can be dissipated through the edge of the heat-conducting copper ring plate 5.
[0030] Meanwhile, the condensate generated by the condensation mechanism connected to the cooling channel 9 can enter the interior of the cooling channel 9. During the circulation of the condensate in the cooling channel 9, it can carry away the heat inside the silicon steel stator single piece 1 and the heat-conducting copper ring plate 5, thereby further dissipating heat.
[0031] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A high-efficiency heat-dissipating motor stator, comprising a silicon steel stator monolith (1), a winding column (2), and a stator winding (3), characterized in that: The inner wall of the silicon steel stator single piece (1) is connected to a winding post (2), and the surface of the winding post (2) is surrounded by a stator winding (3). The side surface of the silicon steel stator single piece (1) is connected to a limiting post (4). A heat-conducting copper ring plate (5) is provided on the side of the silicon steel stator single piece (1) near the limiting post (4). A limiting hole (6) is opened on the surface of the heat-conducting copper ring plate (5) near the limiting post (4).
2. The high-efficiency heat dissipation motor stator according to claim 1, characterized in that: The silicon steel stator single piece (1) and the heat-conducting copper ring plate (5) are arranged alternately, and the silicon steel stator single piece (1) and the heat-conducting copper ring plate (5) are pressed against each other, and the inner rings of two adjacent silicon steel stator single pieces (1) are pressed against each other.
3. The high-efficiency heat dissipation motor stator according to claim 1, characterized in that: The limiting post (4) and limiting hole (6) are provided in four sets, and the heat-conducting copper ring plate (5) forms a limiting structure between the limiting hole (6) and the limiting post (4).
4. The high-efficiency heat dissipation motor stator according to claim 1, characterized in that: The outer surface of the silicon steel stator single piece (1) is provided with a first slot (7), and the outer surface of the heat-conducting copper ring plate (5) is provided with a second slot (8). The inner sides of the first slot (7) and the second slot (8) are connected by a cooling channel (9).
5. A high-efficiency heat-dissipating motor stator according to claim 4, characterized in that: The cooling channel (9) forms an engagement structure with the silicon steel stator single piece (1) through the first slot (7), and the cooling channel (9) forms an engagement structure with the heat-conducting copper ring plate (5) through the second slot (8).