Motor heat dissipation air guide ring
By designing the motor heat dissipation and air conduction ring, the hollow ring body and air conduction structure are used to guide the airflow into the motor, which solves the problem of low heat dissipation efficiency of existing brushless motors, and achieves better heat dissipation effect and low-cost and high-efficiency design .
Patent Information
- Application Number
- CN202421107928.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The existing brushless motor products used in treadmills have unreasonable design of the heat dissipation structure, resulting in low heat dissipation efficiency and high production costs, making it difficult to achieve lightweight.
A motor heat dissipation and air conduction ring is designed, including a hollow ring body, a wind guide structure, a protrusion, a flow blocking ring, an air outlet, a drainage part and a plurality of flow guide grooves. Through these structures, external airflow is guided into the inside of the motor to increase air Pressure and flow rate improve heat dissipation and simplify installation and processing through U-shaped mounting holes and smooth surfaces.
It achieves better heat dissipation in the motor, with light overall structure, reliable installation, low cost, high assembly efficiency, and significantly improved air conduction effect.
Smart Images
Figure CN222321267U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motor heat dissipation, in particular to a motor heat dissipation air guide ring. Background Art
[0002] As an important type of motor product, brushless motors are widely used. Among them, brushless motors are composed of a motor body and a driver, and are a typical mechatronic product. Since brushless DC motors operate in an automatic control mode, they do not require additional starting windings on the rotor like synchronous motors that are started under heavy load under variable frequency speed regulation, nor do they produce oscillations or loss of steps when the load changes suddenly.
[0003] Among them, for treadmills, the running belt is also driven by a brushless motor; there are various types of brushless motor products used in treadmills in the prior art. However, for existing brushless motor products used in treadmills, there are generally unreasonable designs, the heat dissipation structure of the motor has not been lightweight, the production cost is low, and the heat dissipation efficiency is also low. Utility Model Content
[0004] In order to overcome the deficiencies of the prior art solutions, the utility model provides a motor heat dissipation air guide ring, which can effectively solve the problems raised by the background technology.
[0005] The technical solution adopted by the utility model to solve its technical problems is:
[0006] The motor heat dissipation air guide ring comprises a brushless motor, wherein the brushless motor is provided with an air guide ring inside, wherein the air guide ring comprises a hollow ring body, wherein the hollow ring body is provided with an air guide structure, and wherein a convex portion is formed in the center of the hollow ring body;
[0007] The wind-guiding structure comprises a baffle ring which is formed by bending and extending inwardly toward the hollow ring body, the baffle ring is provided with a recessed portion on a side opposite to the raised portion, wherein a flow guide portion is formed between the baffle ring and the raised portion, the baffle ring is also provided with an air outlet, the edge of the air outlet is chamfered, and the air outlet is rectangular.
[0008] As a further description of the above technical solution, the baffle ring is further provided with a plurality of mounting holes, the air guide ring is fixed in the brushless motor through the mounting holes, and the diameter of the mounting holes is 9 mm.
[0009] As a further description of the above technical solution, the protrusion extends along the axial direction of the hollow ring body, and the middle part of the hollow ring body is a circular through hole, the inner diameter of the through hole is 88 mm, and the outer diameter of the through hole is 91 mm.
[0010] As a further description of the above technical solution, the mounting hole is U-shaped, and both sides of the mounting hole have chamfers with a radius of 1.5.
[0011] As a further description of the above technical solution, the side wall of the through hole is a smooth surface, and the diameter of the through hole increases from top to bottom along the axis of the hollow ring body.
[0012] As a further description of the above technical solution, the drainage portion includes a first guide groove with a smooth surface, the inner diameter of the first guide groove is 110 mm, the outer diameter of the first guide groove is 129 mm, and there is an inclination angle between the first guide groove and the baffle ring.
[0013] As a further description of the above technical solution, the recessed portion includes a plurality of independently separated second guide grooves, the inner diameter of the second guide groove is 110 mm, the outer diameter of the second guide groove is 127 mm, and there is an inclination angle between the second guide groove and the baffle ring.
[0014] As a further description of the above technical solution, the two sides of the first guide groove are first arc-shaped surfaces, wherein the outer arc diameter of the first arc-shaped surface close to the baffle ring is 150 mm, and the chamfer radii of the first arc-shaped surfaces on both sides of the first guide groove are 9.5 mm and 12 mm respectively.
[0015] As a further description of the above technical solution, the two sides of the second guide groove are second arc surfaces, wherein the outer arc diameter of the second arc surface close to the baffle ring is 151mm, the inner arc diameter of the baffle ring close to the second arc surface is 156mm, and the outer arc diameter of the baffle ring is 160mm.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] The motor heat dissipation air guide ring of the utility model has at least one of the following beneficial effects during use:
[0018] This structure guides the external wind into the motor body through the air guide groove on the rear air guide ring for heat dissipation. An air outlet is reserved on the air guide ring. This method increases the air pressure and changes the air flow rate by reducing the amount of airflow flowing into the motor, thereby achieving a better heat dissipation effect inside the motor. The overall structure is light and securely installed, and it has low manufacturing cost, convenient assembly, high efficiency and good air guide effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the installation structure of the heat dissipation and air guide ring of the motor of the utility model;
[0020] Figure 2 This is a schematic diagram of the overall structure of the motor heat dissipation air guide ring of the utility model;
[0021] Figure 3This is a schematic diagram of the first side structure of the heat dissipation and air guide ring of the motor of the utility model;
[0022] Figure 4 This is a second side structural diagram of the heat dissipation and air guide ring of the motor of the utility model;
[0023] Figure 5 For this utility model Figure 2 Schematic diagram of the oblique cross-section structure in.
[0024] Numbers in the figure:
[0025] 1. Brushless motor; 2. Air guide ring; 201. Hollow ring body; 202. Air guide structure; 203. Raised portion; 204. Drainage portion; 205. Mounting hole; 206. Air outlet; 207. Flow blocking ring; 208. Concave portion; 209. First guide groove; 210. Second guide groove. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] like Figure 1-5 As shown, the utility model provides a motor heat dissipation air guide ring 2, including a brushless motor 1, wherein the brushless motor 1 is provided with an air guide ring 2, wherein the air guide ring 2 includes a hollow ring body 201, wherein the hollow ring body 201 is provided with an air guide structure 202, and the center of the hollow ring body 201 is formed with a protrusion 203.
[0028] The raised portion 203 of the air guide ring 2 is installed toward the inside of the motor and is fixed in sequence through four mounting holes 205 on the air guide ring 2 .
[0029] The air guide structure 202 includes a baffle ring 207 that is bent and extended inwardly toward the hollow ring body 201, and the baffle ring 207 is provided with a recessed portion 208 on a side opposite to the raised portion 203, wherein a flow guide portion 204 is formed between the baffle ring 207 and the raised portion 203, and the baffle ring 207 is also provided with an air port 206, the edge of which is chamfered, and the air port 206 is rectangular. The air port 206 has an inclined surface, and the inclined angle of the inclined surface is 35 degrees.
[0030] In the present embodiment, airflow is generated during the rotation of the motor, and the airflow enters the motor through the air guide structure 202 on the air guide ring 2 for heat dissipation. The structure guides the external wind through the air guide groove on the rear air guide ring 2 into the motor body for heat dissipation. An air outlet 206 is reserved on the air guide ring 2. This method increases the air pressure and changes the air flow rate in a way that reduces the amount of airflow flowing into the motor, thereby achieving a better heat dissipation effect inside the motor. The overall structure is light and securely installed, and has low manufacturing cost, convenient assembly, high efficiency and good air guiding effect. Among them, the hollow ring body 201 and the baffle ring 207 are integrally formed, and the entire structure can be formed by a stamping process. The structure is light and the manufacturing cost is low. At the same time, the airflow is input into the motor from the air outlet 206 through the guide portion 204.
[0031] It is further explained that a plurality of mounting holes 205 are provided on the baffle ring 207, and the air guide ring 2 is fixed in the brushless motor 1 through the mounting holes 205, and the diameter of the mounting holes 205 is 9 mm.
[0032] It is further explained that the protrusion 203 extends along the axial direction of the hollow ring body 201, and the middle part of the hollow ring body 201 is a circular through hole, the inner diameter of the through hole is 88 mm, and the outer diameter of the through hole is 91 mm.
[0033] It is further explained that the mounting hole 205 is U-shaped, and two sides of the mounting hole 205 have chamfers with a radius of 1.5.
[0034] It is further explained that the side wall of the through hole is a smooth surface, and the diameter of the through hole increases from top to bottom along the axis of the hollow ring body 201.
[0035] It is further explained that the drainage portion 204 includes a first guide groove 209 with a smooth surface, the inner diameter of the first guide groove 209 is 110 mm, the outer diameter of the first guide groove 209 is 129 mm, and there is an inclination angle between the first guide groove 209 and the baffle ring 207.
[0036] It can be seen from the cross-sectional view of the embodiment that the thickness of the first guide groove 209 is 1.5 mm. The cross section is cut obliquely from the air outlet 206, and the cross-sectional thickness at the air outlet 206 is 2.6 mm. In addition, the air outlet 206 also forms an inwardly turned edge, and the thickness of the edge is 1.5 mm.
[0037] It is further explained that the recessed portion 208 includes a plurality of independently separated second guide grooves 210 , the inner diameter of the second guide groove 210 is 110 mm, the outer diameter of the second guide groove 210 is 127 mm, and there is an inclination angle between the second guide groove 210 and the baffle ring 207 .
[0038] It is further explained that both sides of the first guide groove 209 are first arc-shaped surfaces, wherein the outer arc diameter of the first arc-shaped surface close to the baffle ring 207 is 150 mm, and the chamfer radii of the first arc-shaped surfaces on both sides of the first guide groove 209 are 9.5 mm and 12 mm respectively.
[0039] It is further explained that the two sides of the second guide groove 210 are second arc surfaces, wherein the outer arc diameter of the second arc surface close to the baffle ring 207 is 151 mm, the inner arc diameter of the baffle ring 207 close to the second arc surface is 156 mm, and the outer arc diameter of the baffle ring 207 is 160 mm.
[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A motor heat dissipation air guide ring, comprising a brushless motor, characterized in that: An air guide ring is provided inside the brushless motor, and the air guide ring comprises a hollow ring body, an air guide structure is provided on the hollow ring body, and a convex portion is formed in the center of the hollow ring body; The wind-guiding structure comprises a baffle ring which is formed by bending and extending inwardly toward the hollow ring body, the baffle ring is provided with a recessed portion on a side opposite to the raised portion, wherein a flow guide portion is formed between the baffle ring and the raised portion, the baffle ring is also provided with an air outlet, the edge of the air outlet is chamfered, and the air outlet is rectangular.
2. The motor heat dissipation air guide ring according to claim 1, characterized in that: The baffle ring is also provided with a plurality of mounting holes, and the air guide ring is fixed in the brushless motor through the mounting holes, and the diameter of the mounting holes is 9 mm.
3. The motor heat dissipation air guide ring according to claim 1, characterized in that: The protrusion extends along the axial direction of the hollow ring body. The middle part of the hollow ring body is a circular through hole. The inner diameter of the through hole is 88 mm, and the outer diameter of the through hole is 91 mm.
4. The motor heat dissipation air guide ring according to claim 2, characterized in that: The mounting hole is U-shaped, and two sides of the mounting hole have chamfers with a radius of 1.
5.
5. The motor heat dissipation air guide ring according to claim 3, characterized in that: The side wall of the through hole is a smooth surface, and the diameter of the through hole increases from top to bottom along the axis of the hollow ring body.
6. The motor heat dissipation air guide ring according to claim 1, characterized in that: The drainage portion includes a first guide groove with a smooth surface, the inner diameter of the first guide groove is 110 mm, the outer diameter of the first guide groove is 129 mm, and there is an inclination angle between the first guide groove and the baffle ring.
7. The motor heat dissipation air guide ring according to claim 1, characterized in that: The recessed portion includes a plurality of independently separated second guide grooves, the inner diameter of the second guide groove is 110 mm, the outer diameter of the second guide groove is 127 mm, and an inclination angle is formed between the second guide groove and the baffle ring.
8. The motor heat dissipation air guide ring according to claim 6, characterized in that: Both sides of the first guide groove are first arcuate surfaces, wherein the outer arc diameter of the first arcuate surface close to the baffle ring is 150 mm, and the chamfer radii of the first arcuate surfaces on both sides of the first guide groove are 9.5 mm and 12 mm respectively.
9. The motor heat dissipation air guide ring according to claim 7, characterized in that: The two sides of the second guide groove are second arc surfaces, wherein the outer arc diameter of the second arc surface close to the baffle ring is 151 mm, the inner arc diameter of the baffle ring close to the second arc surface is 156 mm, and the outer arc diameter of the baffle ring is 160 mm.