High-speed rotating spindle motor

By setting heat dissipation ribs and air ducts in the motor and installing a heat dissipation fan, the problem of poor heat dissipation during low speed and high loads is solved, achieving more efficient heat dissipation and performance improvement.

CN222321260UActive Publication Date: 2025-01-07NANJING SHUANGNAN WEIDONG TECH CO LTD
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Patent Information

Application Number
CN202421069686.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2025-01-07
Estimated Expiration
2034-05-16

AI Technical Summary

Technical Problem

The existing motors have poor heat dissipation effect when the speed is slow and the load is high, resulting in an increase in temperature and affecting the performance of the motor.

Method used

A high-speed rotating spindle motor is designed, and a first heat dissipation rib is arranged between the shell and the stator to form a first air duct, a second heat dissipation rib is arranged between the stator and the rotor to form a second air duct, and a heat dissipation is installed on one side of the motor Fans increase the heat dissipation area and accelerate air circulation, thereby accelerating heat dissipation.

Benefits of technology

By increasing the heat dissipation area and air circulation speed, the heat dissipation efficiency of the motor is significantly improved, the temperature is reduced, and the motor performance is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a high-speed rotating spindle motor, and relates to the technical field of motors, the high-speed rotating spindle motor comprises a shell, a stator and a rotor, the stator is fixed in the shell, two ends of the shell are provided with end covers, the rotor is rotatably connected to the two end covers, the rotor penetrates through the stator, the inner wall of the shell is provided with first radiating ribs, and the first radiating ribs are arranged between the shell and the stator. A first air channel is formed between every two adjacent first radiating ribs, second radiating ribs are arranged on the inner wall of the stator, the second radiating ribs are arranged between the stator and the rotor, a second air channel is formed between every two adjacent second radiating ribs, and the end cover is provided with a plurality of windows. The heat dissipation area is increased through the first heat dissipation ribs and the second heat dissipation ribs, and heat dissipation is facilitated; in addition, first air channels are formed between the first reinforcing ribs, second air channels are formed between the second reinforcing ribs, and the first air channels and the second air channels are used for sending hot air out of the motor, so that heat dissipation of the motor is accelerated. The cooling fan is arranged on one side of the motor, air circulation is accelerated, and therefore heat dissipation is accelerated.
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Description

Technical Field

[0001] The present application relates to the field of motor technology, and in particular to a high-speed rotating spindle motor. Background Art

[0002] The heat dissipation device of the motor currently used in the market is a fan blade directly connected to the motor rotor. When the rotor rotates, it drives the fan blade to rotate for heat dissipation. The speed of the fan blade depends on the speed of the rotor. This method has a simple structure, but in practice, it is found that when the motor speed is slow and the load requirement is large, its heat dissipation effect is poor, the temperature is high, and the performance of the motor is seriously affected. Utility Model Content

[0003] In order to improve the problem, the present application provides a high-speed rotating spindle motor.

[0004] The present application provides a high-speed rotating spindle motor adopts the following technical solution:

[0005] A high-speed rotating spindle motor comprises a shell, a stator and a rotor, wherein the stator is fixed in the shell, end covers are provided at both ends of the shell, the rotor is rotatably connected to the two end covers, the rotor passes through the stator, the inner wall of the shell is provided with a first heat dissipation rib, the first heat dissipation rib is provided between the shell and the stator, and a first air duct is formed between two adjacent first heat dissipation ribs, the inner wall of the stator is provided with a second heat dissipation rib, the second heat dissipation rib is provided between the stator and the rotor, and a second air duct is formed between two adjacent second heat dissipation ribs, and the end covers are provided with a plurality of windows.

[0006] In one embodiment, a cooling fan is provided at one end of the housing away from the motor rotating shaft.

[0007] The high-speed rotating spindle motor provided by the embodiments of the present disclosure can achieve the following technical effects:

[0008] A first heat dissipation rib is provided in the housing, and a second heat dissipation rib is provided in the stator. The first heat dissipation rib and the second heat dissipation rib are used to increase the heat dissipation area and facilitate heat dissipation. In addition, a first air duct is formed between the first reinforcement ribs, and a second air duct is formed between the second reinforcement ribs. The first air duct and the second air duct are used to send hot air out of the motor, thereby accelerating the heat dissipation of the motor. A heat dissipation fan is provided on one side of the motor to accelerate air circulation, thereby accelerating heat dissipation.

[0009] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of a high-speed rotating spindle motor provided in an embodiment of the present application.

[0011] Explanation of the reference numerals: 1. housing; 2. rotor; 3. stator; 4. end cover; 5. first heat dissipation rib; 6. first air duct; 7. second heat dissipation rib; 8. second air duct; 9. window; 10. cooling fan. DETAILED DESCRIPTION

[0012] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0013] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0014] The following is combined with Figure 1 This application is described in further detail.

[0015] A high-speed rotating spindle motor comprises a shell 1, a stator 3 and a rotor 2, wherein the stator 3 is fixed in the shell 1, end covers 4 are provided at both ends of the shell 1, the rotor 2 is rotatably connected to the two end covers 4, the rotor 2 passes through the stator 3, a first heat dissipation rib 5 is provided on the inner wall of the shell 1, the first heat dissipation rib 5 is provided between the shell 1 and the stator 3, a first air duct 6 is formed between two adjacent first heat dissipation ribs 5, a second heat dissipation rib 7 is provided on the inner wall of the stator 3, a second heat dissipation rib 7 is provided between the stator 3 and the rotor 2, a second air duct 8 is formed between two adjacent second heat dissipation ribs 7, and the end cover 4 is provided with a plurality of windows 9.

[0016] In one embodiment, a cooling fan 10 is provided at one end of the housing 1 away from the motor rotating shaft.

[0017] A first heat dissipation rib 5 is provided in the housing 1, and a second heat dissipation rib 7 is provided in the stator 3. The first heat dissipation rib 5 and the second heat dissipation rib 7 are used to increase the heat dissipation area and facilitate heat dissipation. In addition, a first air duct 6 is formed between the first reinforcement ribs, and a second air duct 8 is formed between the second reinforcement ribs. The first air duct 6 and the second air duct 8 are used to send hot air out of the motor, thereby accelerating the heat dissipation of the motor. A heat dissipation fan 10 is provided on one side of the motor to accelerate air circulation and thus accelerate heat dissipation.

[0018] The second reinforcing rib of the stator 3 faces the rotor 2 , and the rotation of the rotor 2 helps to send heat into the second reinforcing rib and the second air duct 8 for heat exchange and heat dissipation.

[0019] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A high-speed rotating spindle motor, comprising a housing, a stator and a rotor, wherein the stator is fixed in the housing, end covers are provided at both ends of the housing, the rotor is rotatably connected to the two end covers, and the rotor passes through the stator, characterized in that: The inner wall of the shell is provided with a first heat dissipation rib, the first heat dissipation rib is provided between the shell and the stator, and a first air duct is formed between two adjacent first heat dissipation ribs. The inner wall of the stator is provided with a second heat dissipation rib, the second heat dissipation rib is provided between the stator and the rotor, and a second air duct is formed between two adjacent second heat dissipation ribs. The end cover is provided with a plurality of windows.

2. The high-speed rotating spindle motor according to claim 1, characterized in that: A heat dissipation fan is arranged at one end of the housing away from the motor rotating shaft.