Rotor bracket structure with fan function
The rotor support structure with its own fan solves the heat dissipation problem of high power density motors, achieving effective rotor cooling and improved system reliability.
Patent Information
- Application Number
- CN202423221354.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing motor rotor support designs cannot effectively cool high-power-density motors, resulting in excessively high temperatures. Traditional hollow designs cannot meet heat dissipation requirements.
Design a rotor support structure with built-in fan function. The outer cylinder, inner cylinder and fan blades are integrally formed to form an air duct, realizing the turbulence of hot air and rapid heat conduction.
It improves the heat dissipation of the motor, enhances the cooling performance of high-torque, high-power-density motors, and strengthens the reliability of the motor system.
Smart Images
Figure CN223713690U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor rotor support technical field, especially a rotor support structure with fan function. BACKGROUND
[0002] Most of the existing motor in the rotor structure design time, the stator rotor core yoke part design is very narrow, resulting in rotor support needs to be designed into hollow structure, in order to reduce the moment of inertia of the rotor and material, often the rotor support is designed into '' T '' type. This rotor support scheme structure is simple, the processing cost is low, but in the high torque high power density motor cavity temperature is very high motor design, need to consider rotor cooling '' air duct '', this scheme obviously does not satisfy, for the above problem, the utility model discloses a rotor support structure with fan function. SUMMARY
[0003] The utility model discloses a rotor support structure with fan function.
[0004] The above technical purpose of the utility model is realized by the following technical scheme.
[0005] A rotor support structure with fan function, comprising an outer cylinder and an inner cylinder, the outer cylinder and the inner cylinder are coaxially arranged, a plurality of fan blades are arranged between the outer cylinder and the inner cylinder, the outer cylinder, the inner cylinder and the fan blades are integrally machined, the coaxiality of the outer cylinder and the inner cylinder can be improved by integral machining, thereby ensuring the stability of the rotor support during work.
[0006] Further, the outer side of the outer cylinder is provided with a mounting groove.
[0007] Further, the number of fan blades is three, and the number and angle of fan blades can be determined according to the air volume and air pressure required by motor design through simulation, and the rotation direction of fan blades can be designed according to the direction of rotor air duct and the mounting direction.
[0008] Further, one end of the outer cylinder is provided with a mounting flange, the mounting flange is provided with a mounting hole, and the inner cylinder is provided with a mounting counterbore, so as to facilitate connection with the rotating shaft and the rotor core.
[0009] Further, the integral structure of the outer cylinder, the inner cylinder and the fan blades is processed by a four-axis or more numerical control milling machine.
[0010] In summary, the utility model has the following beneficial effects:
[0011] 1. The rotor support structure with fan function of the utility model realizes the rotor air path from one end of the rotor support to the other end, from the stator-rotor air gap back to the initial end, forms a "air duct", "stirs the flow" of the hot air of the motor cavity, exchanges through the motor casing and end cover, reduces the temperature in the motor cavity, and improves the motor rotor heat dissipation.
[0012] 2. The rotor support structure of the utility model can obviously improve the cooling effect of the high-torque high-power-density motor rotor, improve the torque density and power density of the motor, and improve the reliability of the motor system through the integrated structure. It is used for the motor rotor cooling of some severe working conditions and extreme working condition equipment. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is the structural schematic diagram of the utility model.
[0014] In the figure, 1 is an outer cylinder, 2 is an inner cylinder, 3 is a fan blade, 4 is a mounting flange, and 5 is a mounting groove. DETAILED DESCRIPTION
[0015] The utility model will be further described in detail in combination with the drawings, and the technical scheme of the utility model embodiment is clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0016] As shown in Figure 1 A rotor support structure with fan function, comprising an outer cylinder 1 and an inner cylinder 2, the outer cylinder 1 and the inner cylinder 2 are coaxially arranged, a plurality of fan blades 3 are arranged between the outer cylinder 1 and the inner cylinder 2, the outer cylinder 1, the inner cylinder 2 and the fan blade 3 are integrally machined, through integral machining, the coaxiality of the outer cylinder 1 and the inner cylinder 2 can be improved, and then the stability of the rotor support during work is ensured.
[0017] Further, the outer side of the outer cylinder 1 is provided with a mounting groove 5.
[0018] Further, the number of fan blades 3 is three, the number and angle of fan blades 3 can be determined through simulation according to the air volume and air pressure required by motor design, and the rotation direction of fan blades 3 can be designed according to the rotor air duct direction and the mounting direction.
[0019] Further, one end of the outer cylinder 1 is provided with a mounting flange 4, the mounting flange 4 is provided with a mounting hole, and the inner cylinder 2 is provided with a mounting counterbore, which facilitates the connection with the rotating shaft and the rotor core.
[0020] Further, the integrated structure of the outer cylinder 1, the inner cylinder 2 and the fan blade 3 is processed by a four-axis or more numerical control milling machine.
[0021] The rotor support structure with the fan function designed in the utility model realizes the rotor air path from one end of the rotor support to the other end, the stator-rotor air gap returns to the initial end, forms a "air duct", "stirs the flow" of the hot air of the motor cavity, and exchanges the hot conduction with the motor shell and the end cover, reduces the temperature in the motor cavity, improves the motor rotor heat dissipation, and improves the reliability of the motor system through the integrated structure.
[0022] The specific embodiment is merely an explanation of the utility model, and is not a limitation of the utility model; the person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.
Claims
1. A rotor support structure with a fan, comprising an outer cylinder (1) and an inner cylinder (2), the outer cylinder (1) and the inner cylinder (2) being coaxially arranged, characterized in that: A plurality of fan leaves (3) are arranged between the outer cylinder (1) and the inner cylinder (2), and the outer cylinder (1), the inner cylinder (2) and the fan leaves (3) are integrally formed.
2. A rotor support structure with integral fan action according to claim 1, characterised in that: An installation groove (5) is arranged on the outer side of the outer cylinder (1).
3. A rotor support structure with integral fan action according to claim 1, wherein: The number of the fan leaves (3) is three.
4. A rotor support structure with integral fan action according to claim 1, wherein: An installation flange (4) is arranged at one end of the outer cylinder (1), and the installation flange (4) is provided with an installation hole.
5. A rotor support structure with integral fan action according to claim 1, wherein: The integrated structure of the outer cylinder (1), the inner cylinder (2) and the fan leaves (3) is formed by machining through a four-axis or more numerical control milling machine.