CN223007434U - Brushless DC motor with fan radiating structure - Google Patents
Brushless DC motor with fan radiating structure Download PDFInfo
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- CN223007434U CN223007434U CN202421850299.5U CN202421850299U CN223007434U CN 223007434 U CN223007434 U CN 223007434U CN 202421850299 U CN202421850299 U CN 202421850299U CN 223007434 U CN223007434 U CN 223007434U
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Abstract
The utility model discloses a direct current brushless motor with a fan radiating structure, which comprises a motor shell, a rotor assembly, a radiating fan, a positioning assembly and a rotor assembly, wherein a stator assembly is arranged in the motor shell, the rotor assembly is arranged between magnetic shoes of the stator assembly, two ends of the rotor assembly are fixed on the motor shell through bearings, the radiating fan is arranged at one end of the rotor assembly and is arranged in the motor shell, and a radiating surface of the radiating fan corresponds to the positions of rotating ends of the positioning assembly and the rotor assembly. According to the utility model, the heat radiating fan is arranged in the motor, the heat radiating surface of the heat radiating fan corresponds to the rotating end position of the rotor assembly, so that heat generated in the motor can be effectively taken away, the working temperature of the motor is kept within a reasonable range, the heat radiating efficiency of the motor is improved, and the temperature in the motor can be reduced through effective heat radiation, and the heat ageing of elements in the motor is reduced, so that the service life of the motor is prolonged.
Description
Technical Field
The utility model relates to a direct current brushless motor, in particular to a direct current brushless motor with a fan radiating structure.
Background
In the existing direct current brushless motor technology, a motor can generate certain heat in the operation process, if the motor cannot effectively dissipate heat, the temperature inside the motor can be increased, and then the efficiency and the service life of the motor are affected. Conventional brushless dc motors generally rely on natural heat dissipation from the motor housing, but the heat dissipation effect is not ideal due to the limited heat dissipation area of the motor housing. The traditional direct current brushless motor generally adopts a closed structure, and heat generated in the motor is difficult to be conducted to the external environment through the shell, so that the temperature in the motor is increased, and the stable operation and the service life of the motor are influenced.
The external fan is adopted for heat dissipation, but the design increases the outline dimension of the motor, and the connection structure between the fan and the motor is complex, which easily leads to the increase of the installation and maintenance cost.
The heat efficiency is that some motors are provided with radiating fins or radiating holes on the shell, but the designs still have certain limitations, and the heat dissipation requirement of the motors in high-load operation cannot be completely met.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a direct current brushless motor with a fan radiating structure so as to solve the problem existing in the background technology.
The utility model relates to a DC brushless motor with a fan radiating structure, which is realized by the following technical scheme that:
a motor housing having a stator assembly disposed therein;
The rotor assembly is arranged between the magnetic shoes of the stator assembly, and both ends of the rotor assembly are fixed on the motor shell through bearings;
The cooling fan is arranged at one end of the rotor assembly and is arranged in the motor shell, and the cooling surface of the cooling fan corresponds to the positions of the rotating ends of the positioning assembly and the rotor assembly.
As a preferable technical scheme, the motor housing comprises an upper shell and a bottom shell;
The stator assembly is sleeved in the upper shell, the rotor assembly is connected with the upper shell through a bearing at the upper end, the bottom shell is fixedly arranged below the upper shell, and the rotor assembly is connected with the bottom shell through a bearing at the lower end.
The heat dissipation device comprises an upper shell, a stator assembly, a rotor assembly, a cooling fan, an air inlet, an air outlet, a cooling fan and a cooling fan.
As the preferable technical scheme, the side face of the upper shell is provided with a wire holder, and the wire holder is connected with three-phase wires.
As a preferable technical scheme, the blades of the cooling fan are arranged in a trapezoid structure.
The beneficial effects of the utility model are as follows:
1. According to the utility model, the heat radiating fan is arranged in the motor, the heat radiating surface of the heat radiating fan corresponds to the rotating end position of the rotor assembly, so that heat generated in the motor can be effectively taken away, the working temperature of the motor is kept within a reasonable range, the heat radiating efficiency of the motor is improved, and the temperature in the motor can be reduced through effective heat radiation, and the heat ageing of elements in the motor is reduced, so that the service life of the motor is prolonged.
2. The motor shell comprises an upper shell and a bottom shell, the stator component and the rotor component are respectively fixed on the upper shell and the bottom shell, and the whole motor structure is more compact and space is saved through the built-in cooling fan.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
Fig. 3 is a schematic view of a fan assembly according to the present utility model.
Reference numerals illustrate:
1. The stator assembly, the rotor assembly, the cooling fan, the upper shell, the bottom shell, the air inlet, the air outlet, the wire holder and the three-phase wire are respectively arranged on the upper shell, the lower shell, the air inlet, the wire holder and the wire holder.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
As shown in fig. 1-2, a brushless dc motor with a fan heat dissipation structure according to the present utility model includes:
A motor housing, inside which a stator assembly 1 is arranged;
The rotor assembly 2 is arranged between the magnetic shoes of the stator assembly 1, and two ends of the rotor assembly 2 are fixed on the motor shell through bearings;
And the cooling fan 3 is arranged at one end of the rotor assembly 2 and is arranged in the motor shell, and the cooling surface of the cooling fan 3 corresponds to the positions of the locating assembly and the rotating end of the rotor assembly 2 so as to optimize the cooling effect.
Wherein, the motor shell comprises an upper shell 4 and a bottom shell 5;
The stator assembly 1 is sleeved in the upper shell 4, the rotor assembly 2 is also connected with the upper shell 4 through a bearing at the upper end, the bottom shell 5 is fixedly arranged below the upper shell 4, and the rotor assembly 2 is connected with the bottom shell 5 through a bearing at the lower end.
The motor is characterized in that an air inlet 6 is formed in the side face below the upper shell 4, the cooling fan 3 is used for feeding air from the air inlet 6, an air outlet 7 is formed in the upper side of the upper shell 4, heat generated by the rotor assembly 2 and the stator assembly 1 is dissipated through the air outlet 7, and the working temperature of the motor is kept.
In addition, the side face of the upper shell 4 is provided with a wire holder 8, and the wire holder 8 is connected with a three-phase wire 9 for power supply access and output of the motor, so that the electric connection of the motor is facilitated, and meanwhile, the installation and maintenance of the motor are also facilitated.
As shown in fig. 3, the blades of the cooling fan 3 are arranged in a trapezoid structure, which is favorable for improving the air quantity and the air pressure of the cooling fan 3, thereby improving the cooling effect.
According to the utility model, the heat radiating fan is arranged in the motor, the heat radiating surface of the heat radiating fan corresponds to the rotating end position of the rotor assembly, so that heat generated in the motor can be effectively taken away, the working temperature of the motor is kept within a reasonable range, the heat radiating efficiency of the motor is improved, and the temperature in the motor can be reduced through effective heat radiation, and the heat ageing of elements in the motor is reduced, so that the service life of the motor is prolonged.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (5)
1. A brushless dc motor having a fan heat dissipation structure, comprising:
A motor housing, inside which a stator assembly (1) is arranged;
the rotor assembly (2) is arranged between the magnetic shoes of the stator assembly (1), and two ends of the rotor assembly (2) are fixed on the motor shell through bearings;
The cooling fan (3) is arranged at one end of the rotor assembly (2) and is arranged in the motor shell, and the cooling surface of the cooling fan (3) corresponds to the positions of the locating assembly and the rotating end of the rotor assembly (2).
2. The brushless DC motor with the fan heat dissipation structure as claimed in claim 1, wherein the motor housing comprises an upper case (4) and a bottom case (5);
the stator assembly (1) is sleeved in the upper shell (4), the rotor assembly (2) is connected with the upper shell (4) through a bearing at the upper end, the bottom shell (5) is fixedly arranged below the upper shell (4), and the rotor assembly (2) is connected with the bottom shell (5) through a bearing at the lower end.
3. The brushless DC motor with the fan radiating structure according to claim 2, wherein an air inlet (6) is formed in the side face below the upper shell (4), the cooling fan (3) is used for air inlet from the air inlet (6), an air outlet (7) is formed in the upper portion of the upper shell (4), and heat of the rotor assembly (2) and the stator assembly (1) is radiated through the air outlet (7).
4. The brushless DC motor with the fan radiating structure as claimed in claim 1, wherein the wire holder (8) is arranged on the side surface of the upper shell (4), and the three-phase wire (9) is connected to the wire holder (8).
5. The DC brushless motor with the fan radiating structure as claimed in claim 1, wherein the blades of the radiating fan (3) are arranged in a trapezoid structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421850299.5U CN223007434U (en) | 2024-08-01 | 2024-08-01 | Brushless DC motor with fan radiating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421850299.5U CN223007434U (en) | 2024-08-01 | 2024-08-01 | Brushless DC motor with fan radiating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223007434U true CN223007434U (en) | 2025-06-20 |
Family
ID=96047236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421850299.5U Active CN223007434U (en) | 2024-08-01 | 2024-08-01 | Brushless DC motor with fan radiating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223007434U (en) |
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2024
- 2024-08-01 CN CN202421850299.5U patent/CN223007434U/en active Active
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