CN212615510U - Fan of magnetic motor - Google Patents
Fan of magnetic motor Download PDFInfo
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- CN212615510U CN212615510U CN202021283903.2U CN202021283903U CN212615510U CN 212615510 U CN212615510 U CN 212615510U CN 202021283903 U CN202021283903 U CN 202021283903U CN 212615510 U CN212615510 U CN 212615510U
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- fan
- air inlet
- magneto
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Abstract
The utility model discloses a magneto fan, including the fan mainboard body be provided with fan blade, its characterized in that along the circumferencial direction on a fan mainboard body side: an air inlet perpendicular to the fan main plate body is formed in the fan main plate body on the same side with the fan blades, an air outlet is formed in the fan main plate body, an air inlet channel is formed by the air inlet and the air outlet, and the fan blades are arranged on the front side of the air inlet. Adopt the utility model discloses a magneto fan can improve the motor radiating effect.
Description
Technical Field
The utility model relates to a design magneto especially designs cooling fan on the magneto.
Background
With the development of power generation motors, various motors have appeared in the market, and the power generation motors can generate a large amount of heat during power generation, so that timely heat dissipation is very important. Usually, the rotating part of an engine is a main heat source, the arrangement of fan blades and an air inlet of the existing motor is not ideal for the heat dissipation effect of the fan, the existing fan has a larger structure and occupies the space of the motor, and thus the temperature of the motor is continuously kept in a high-temperature working state in the use process.
Chinese patent CN101127468A discloses a cooling fan structure of a permanent magnet generator, and specifically discloses: the wind blade ring and the pressing ring are connected with a rotor iron core into a whole, the rotor iron core is provided with a permanent magnet, and the fan blades of the wind blade ring and the rotor iron core provided with the permanent magnet are respectively arranged on two sides of a bottom plate.
Although the above patent includes a base plate and fan blades, the fan blades in the above patent do not have good heat dissipation effect on the magneto.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magneto fan that radiating effect is good.
In order to achieve the above object, the present invention is realized as follows: the utility model provides a magneto fan, includes the fan mainboard body be provided with fan blade, its characterized in that along the circumferencial direction on a fan mainboard body side: an air inlet perpendicular to the fan main plate body is formed in the fan main plate body on the same side with the fan blades, an air outlet is formed in the fan main plate body, an air inlet channel is formed by the air inlet and the air outlet, and the fan blades are arranged on the front side of the air inlet. By adopting the mode, the vertical air inlet is formed in the fan main plate body, the fan blades are arranged on the front side of the air inlet, more cooling air can be guided into the magneto, and the cooling effect of the magneto is improved.
Preferably, the air inlet channel is formed by a fan air inlet plate protruding out of the fan main plate body.
In order to further improve the air inlet speed and the air inlet amount, the fan air inlet plate is provided with a top plate parallel to the fan main plate body, an arc-surface side plate is formed between the top plate and the fan air inlet plate, and the air inlet is formed among the top plate, the arc-surface side plate and the fan main plate body.
Preferably, the number of the air inlet channels is four, the air inlet channels are uniformly distributed on the circumferential surface of the fan main plate body, the number of the fan blades is four, the fan blades are uniformly distributed on the circumferential surface of the fan main plate body, and each group of the fan blades is arranged on the front side of the air inlet of each group of the air inlet channels.
Preferably, there are 3 fan blades in each set.
In order to further improve the air inlet speed and the air inlet amount, the fan blades are arc-shaped panels, and arc-shaped openings of the fan blades are back to the air inlet.
In order to further improve the effective wind, the radian corresponding to the arc-shaped surface of the fan blade is pi/2.06 rad.
In order to further improve the heat dissipation effect, the fan blades are arranged on the outer side of the air inlet, and a flow guide included angle is reserved between the fan blades and the air inlet.
In order to further facilitate the diversion of the wind, the end face of the wind inlet is in a trapezoid shape with a small upper end opening and a large lower end opening.
In order to further form negative pressure and enhance the heat dissipation effect, a flow disturbing column is arranged on the other side surface of the fan main board body.
Has the advantages that:
the utility model has the advantages of reasonable design, the operation of being convenient for, the utility model discloses an outside fan flabellum, fan vortex post and the fan air inlet board that set up come to radial and circumference air disturbance, form stronger air current and go deep into the opposite side through inlet air channel's air intake and reach the radiating effect of fan-type wind, corresponding prior art, whole radiating effect is better and more practice thrift raw and other materials, and the generator can keep working in a more reasonable temperature environment always at the in-process that uses.
Drawings
FIG. 1 is a front isometric view of a magneto fan in an embodiment;
FIG. 2 is a rear isometric view of a magneto fan in an embodiment;
FIG. 3 is a front view of a magneto fan in an embodiment;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is a rear view of the magneto fan in the embodiment.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or replacements within the basic spirit of the embodiments still fall within the scope of the present invention claimed in the claims.
Example (b): as shown in fig. 1 to 5, the magneto fan shown in fig. 1 and 2 has a circular fan main plate body 1, a shaft hole 6 is formed in the middle of the fan main plate body, the first ring of the shaft hole facing outward is a mounting annular plate, mounting bolts 8 are arranged around the mounting annular plate, and the outward ring of the mounting annular plate is the body of the fan main plate body 1.
The body is provided with an air inlet channel and fan blades 4, and the air inlet channel is formed by connecting an air inlet 4 which is basically vertical to the body with an air outlet 5 which is arranged on the body. In this embodiment, the air inlet may be perpendicular to the body, or may be disposed to have a certain angle. In the attached drawings, a backward inclined angle is formed between the air inlet and the body so as to facilitate air inlet. The body is also provided with fan blades 2 perpendicular to the body, and the fan blades are arranged on the front side of the air inlet.
Wherein the air inlet channel is formed by a fan air inlet plate 3 protruding out of the main plate body of the fan. The fan air inlet plate is provided with a top plate 31 parallel to the main fan plate body, and an arc-surface side plate 32 is formed between the top plate and an air outlet formed in the fan air inlet plate. The air inlet is formed among the top plate, the cambered surface side plate and the body, and the bottom side of the air inlet and the front side of the air outlet are on the same side. The other three sides of the arc-shaped side plate, which are not arranged at the air inlet side, of the top plate are smoothly transited to three corresponding sides of the air outlet on the body.
In addition, in this embodiment, the four air inlet channels are uniformly distributed on the circumferential surface of the main body, and the four fan blades are also uniformly distributed on the circumferential surface of the main fan plate. And each set of fan blades is arranged at the front side of the air inlet of each air inlet channel.
Each set of fan blades in this embodiment is 3, and the fan blades are arc-shaped panels, and arc-shaped openings of the fan blades face away from the air inlet. The radian corresponding to the arc-shaped surface of the fan blade is pi/2.06 rad. And the fan blades are arranged between the outermost periphery of the body and the air inlet, and a flow guide included angle is formed, and faces towards the inner side of the body.
As another implementation manner in this embodiment, the end surface of the air inlet is a trapezoid with a small upper end opening and a large lower end opening.
As another embodiment in this embodiment, a turbulence column 7 is provided on the other side surface of the fan main plate body. The turbulence column is perpendicular to the body. The turbulence columns can be arranged in 1, 2, 3, 4 or even more. In order to achieve a better turbulent flow effect, the turbulent flow columns in the embodiment are 2 and symmetrically arranged, and the turbulent flow columns are arranged between the two adjacent air inlet channels. Preferably along the central line of the air inlet channel.
The magneto fan of this embodiment is installed on electric motor rotor when using, the air intake is corresponding with the rotor air intake, carries out fixed connection by fan mounting bolt hole, and when electric motor rotor rotated, the fan mainboard body also rotated along with it, and fan air inlet plate, fan flabellum and fan turbulent flow post do work to the air and make the air produce kinetic energy to flow into inside the dispelling of heat of motor through the fan air intake.
In the high-speed rotation process of the main fan board body, the turbulence columns can disturb the air flow inside the motor to form certain negative pressure, and then higher air inlet speed can be achieved for fan cooling.
Claims (15)
1. The utility model provides a magneto fan, includes the fan mainboard body be provided with fan blade, its characterized in that along the circumferencial direction on a fan mainboard body side: an air inlet perpendicular to the fan main plate body is formed in the fan main plate body on the same side with the fan blades, an air outlet is formed in the fan main plate body, an air inlet channel is formed by the air inlet and the air outlet, and the fan blades are arranged on the front side of the air inlet.
2. The magneto fan of claim 1 wherein: the air inlet channel is formed by a fan air inlet plate protruding out of the fan main plate body.
3. The magneto fan of claim 2 wherein: the fan air inlet plate is provided with a top plate parallel to the main fan plate body, an arc-surface side plate is formed between the top plate and an air outlet formed in the fan air inlet plate, and the air inlet is formed among the top plate, the arc-surface side plate and the main fan plate body.
4. A magneto fan as claimed in claim 1, 2 or 3 wherein: the fan blades are arranged in four groups and are uniformly distributed on the circumferential surface of the fan main plate body, and each group of fan blades is arranged on the front side of an air inlet of each air inlet channel.
5. The magneto fan of claim 4 wherein: each set of fan blades is 3.
6. The magneto fan of claim 5 wherein: the fan blades are arc-shaped panels, and arc-shaped openings of the fan blades are back to the air inlet.
7. The magneto fan of claim 6, wherein: the radian corresponding to the arc-shaped surface of the fan blade is pi/2.06 rad.
8. The magneto fan of claim 5, 6 or 7, wherein: the fan blades are arranged on the outer side of the air inlet, and a flow guide included angle is formed between the fan blades and the air inlet.
9. The magneto fan of claim 1, 2, 3, 5, 6, or 7, wherein: the end face of the air inlet is in a trapezoid shape with a small upper end opening and a large lower end opening.
10. The magneto fan of claim 4 wherein: the end face of the air inlet is in a trapezoid shape with a small upper end opening and a large lower end opening.
11. The magneto fan of claim 8 wherein: the end face of the air inlet is in a trapezoid shape with a small upper end opening and a large lower end opening.
12. A magneto fan as claimed in claim 1, 2, 3, 5, 6, 7, 10 or 11 wherein: and a flow disturbing column is arranged on the other side surface of the fan main plate body.
13. The magneto fan of claim 4 wherein: and a flow disturbing column is arranged on the other side surface of the fan main plate body.
14. The magneto fan of claim 8 wherein: and a flow disturbing column is arranged on the other side surface of the fan main plate body.
15. The magneto fan of claim 9 wherein: and a flow disturbing column is arranged on the other side surface of the fan main plate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021283903.2U CN212615510U (en) | 2020-07-03 | 2020-07-03 | Fan of magnetic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021283903.2U CN212615510U (en) | 2020-07-03 | 2020-07-03 | Fan of magnetic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212615510U true CN212615510U (en) | 2021-02-26 |
Family
ID=74757269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021283903.2U Active CN212615510U (en) | 2020-07-03 | 2020-07-03 | Fan of magnetic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212615510U (en) |
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2020
- 2020-07-03 CN CN202021283903.2U patent/CN212615510U/en active Active
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