CN216599188U - Axial air-cooled heat radiation structure based on vehicle driving motor - Google Patents
Axial air-cooled heat radiation structure based on vehicle driving motor Download PDFInfo
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- CN216599188U CN216599188U CN202122378865.XU CN202122378865U CN216599188U CN 216599188 U CN216599188 U CN 216599188U CN 202122378865 U CN202122378865 U CN 202122378865U CN 216599188 U CN216599188 U CN 216599188U
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- driving motor
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Abstract
The utility model relates to an axial air-cooling heat dissipation structure based on a vehicle driving motor, which comprises a motor, fan blades and an air guide shell, wherein the motor comprises a motor rotating shaft, a motor end cover and a motor shell, the motor rotating shaft penetrates through the whole motor shell, the fan blades are arranged at one end of the motor rotating shaft, the air guide shell is fixed on the motor end cover, and the motor is positioned in the air guide shell. Compared with the prior art, the utility model has the advantages of improving the reliability of the motor, reducing the cost, improving the heat dissipation efficiency of the motor, improving the power density which can be achieved by the motor and the like.
Description
Technical Field
The utility model relates to the technical field of vehicle driving motors, in particular to an axial air-cooling heat dissipation structure based on a vehicle driving motor.
Background
At present, the cooling mode of the traditional motor is generally divided into air cooling, water cooling, oil cooling and natural cooling, wherein the driving motor of the small automobile generally adopts the air cooling or natural cooling mode, but because of the limit value of the protection grade, the motor adopting the air cooling mode generally needs to use a fan independently supplying power for heat dissipation, the cost of the motor is improved, the reliability of the motor is reduced, and the power density which can be achieved by the motor is lower because the convection speed of the ambient air of the motor adopting the natural cooling heat dissipation mode is lower and the heat dissipation effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides an axial air-cooling heat dissipation structure based on a vehicle driving motor, which has the advantages of good heat dissipation effect, high working reliability, lower cost and improved power density of the motor.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides an axial forced air cooling heat radiation structure based on automobile-used driving motor, includes motor, fan blade and wind-guiding shell, the motor includes motor shaft, motor end cover and motor casing, motor shaft runs through whole motor casing, motor shaft's one end is located to the fan blade, the wind-guiding shell is fixed on motor end cover, the motor is located the inside of wind-guiding shell.
And the fan blades are provided with bosses.
Furthermore, a groove is formed in the tail end of the motor rotating shaft.
Furthermore, the fan blades are fixed at the tail end of the motor rotating shaft through key grooves, grooves and bosses, the radial runout of the fan blades on the motor rotating shaft is prevented through the key grooves, and the axial runout of the fan blades on the motor rotating shaft is prevented through the grooves and the bosses.
The air guide shell is made of nylon.
The structure of the air guide shell is a cylindrical structure.
One end of the air guide shell is of an open structure, and the bottom of the other end of the air guide shell is provided with a reticular hole which is used as an air inlet of the fan.
The motor end cover comprises a front end cover and a rear end cover, and the air guide shell is fixed on the motor end cover through screws.
The motor end cover and the motor shell are surrounded by the air guide shell, and a fixed air path is formed among the air guide shell, the motor shell and the motor end cover.
And a heat dissipation rib plate is arranged on the outer surface of the motor shell.
The range of the distance between the air guide shell and the motor shell is 5-10 mm, so that the arrangement of the heat dissipation rib plates on the motor shell is met.
The thickness of the air guide shell is not less than 1 mm.
The clearance between air guide shell and the motor end cover is less to increase the circulation resistance of wind path, increase the radiating effect.
Compared with the prior art, the utility model has the following beneficial effects:
1. compared with the traditional air-cooling heat dissipation structure, the fan cooling structure has the advantages that the driving motor of the fan is omitted, independent power supply for the fan is not needed, the fan blades are connected with the rotating shaft of the motor, and the motor drives the fan to rotate, so that the reliability of the motor is greatly improved, and the cost is reduced.
2. The utility model only adds one fan blade and one air guide casing on the basis of the existing natural cooling heat dissipation motor to meet the heat dissipation requirement of the motor, thereby effectively improving the heat dissipation efficiency of the motor and simultaneously improving the power density which can be achieved by the motor.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention after assembly;
FIG. 3 is a schematic structural diagram of a fan blade and a motor shaft of the present invention.
Reference numerals:
1-a fan blade; 2-air guide shell; 3-a motor shaft; 4-motor end cover; 5-motor shell.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Examples
As shown in fig. 1 and 2, an axial air-cooling heat dissipation structure based on a vehicle driving motor comprises a motor, fan blades 1 and an air guide shell 2, wherein the motor comprises a motor rotating shaft 3, a motor end cover 4 and a motor shell 5, the motor rotating shaft 3 penetrates through the whole motor shell 5, the fan blades 1 are arranged at one end of the motor rotating shaft 3, the air guide shell 2 is fixed on the motor end cover 4, and the motor is located inside the air guide shell 2.
The fan blade 1 is provided with a boss.
The tail end of the motor rotating shaft 3 is provided with a groove.
As shown in fig. 3, the fan blades 1 are fixed at the end of the motor shaft 3 through key grooves, grooves and bosses, the radial runout of the fan blades 1 on the motor shaft 3 is prevented through the key grooves, and the axial runout of the fan blades 1 on the motor shaft 3 is prevented through the grooves and the bosses.
The air guide casing 2 is specifically made of nylon.
The air guide casing 2 is of a cylindrical structure.
One end of the air guide shell 2 is of an open structure, and the bottom of the other end is provided with a reticular hole which is used as an air inlet of the fan.
The motor end cover 4 comprises a front end cover and a rear end cover, and the air guide shell 2 is fixed on the motor end cover 4 through screws.
The air guide housing 2 encloses the motor end cover 4 and the motor housing 5, and a fixed air path is formed among the air guide housing 2, the motor housing 5 and the motor end cover 4.
The outer surface of the motor shell 5 is provided with a heat radiation rib plate.
The range of the distance between the air guide shell 2 and the motor shell 5 is 5-10 mm, so that the arrangement of heat dissipation rib plates on the motor shell 5 is met.
The thickness of the air guide shell 2 is not less than 1 mm.
The clearance between air guide shell 2 and motor end cover 4 is less to increase the circulation resistance of wind path, increase the radiating effect.
In specific implementation, after the motor operates, the motor rotating shaft 3 drives the fan blades 1 to rotate together, and formed airflow passes through an air path between the motor shell 5, the air guide shell 2 and the motor end cover 4, so that the effect of radiating the motor is achieved.
In addition, it should be noted that the shapes of the components, the names of the components, and the like of the specific embodiments described in the present specification may be different, and the above description is only an illustration of the structure of the present invention. All equivalent or simple changes in the structure, characteristics and principles of the utility model are included in the protection scope of the utility model. Various modifications or additions may be made to the described embodiments or methods may be similarly employed by those skilled in the art without departing from the scope of the utility model as defined in the appending claims.
Claims (10)
1. The utility model provides an axial forced air cooling heat radiation structure based on automobile-used driving motor, its characterized in that, includes motor, fan blade (1) and wind-guiding shell (2), the motor includes motor shaft (3), motor end cover (4) and motor casing (5), whole motor casing (5) are run through in motor shaft (3), the one end of motor shaft (3) is located in fan blade (1), wind-guiding shell (2) are fixed on motor end cover (4), the motor is located the inside of wind-guiding shell (2).
2. The axial air-cooling heat dissipation structure based on the vehicle driving motor is characterized in that a boss is arranged on the fan blade (1).
3. The axial air-cooling heat dissipation structure based on the vehicle driving motor is characterized in that a groove is formed at the tail end of the motor rotating shaft (3).
4. The axial air-cooled heat dissipation structure based on the vehicle driving motor is characterized in that the fan blades (1) are fixed at the tail end of the motor rotating shaft (3) through key slots, grooves and bosses.
5. The axial air-cooled heat dissipation structure based on the vehicle driving motor as claimed in claim 1, wherein the structure of the air guide housing (2) is a cylindrical structure.
6. The axial air-cooled heat dissipation structure based on the vehicle driving motor as claimed in claim 1, wherein one end of the air guide housing (2) is open, and the bottom of the other end is provided with a mesh-shaped hole.
7. The axial air-cooling heat dissipation structure based on the vehicle driving motor is characterized in that the motor end cover (4) comprises a front end cover and a rear end cover, and the air guide shell (2) is fixed on the motor end cover (4) through screws.
8. The axial air-cooling heat dissipation structure based on the vehicle driving motor according to claim 1, wherein a heat dissipation rib plate is arranged on the outer surface of the motor casing (5).
9. The axial air-cooling heat dissipation structure based on the vehicle driving motor is characterized in that the distance between the air guide shell (2) and the motor shell (5) is 5-10 mm.
10. The axial air-cooled heat dissipation structure based on the vehicle driving motor as claimed in claim 1, wherein the thickness of the air guide housing (2) is not less than 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122378865.XU CN216599188U (en) | 2021-09-29 | 2021-09-29 | Axial air-cooled heat radiation structure based on vehicle driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122378865.XU CN216599188U (en) | 2021-09-29 | 2021-09-29 | Axial air-cooled heat radiation structure based on vehicle driving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216599188U true CN216599188U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122378865.XU Active CN216599188U (en) | 2021-09-29 | 2021-09-29 | Axial air-cooled heat radiation structure based on vehicle driving motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216599188U (en) |
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2021
- 2021-09-29 CN CN202122378865.XU patent/CN216599188U/en active Active
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