CN213016972U

CN213016972U - Brushless condensation fan

Info

Publication number: CN213016972U
Application number: CN202021813739.1U
Authority: CN
Inventors: 葛萍; 胡君晓
Original assignee: Zhejiang Xierfu Electric Co ltd
Current assignee: Zhejiang Xierfu Electric Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-20
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a brushless condensation fan relates to condensation fan field, which comprises an outer shell, the inner chamber middle part of shell is provided with brushless motor, brushless motor's the one end outside is through a plurality of bracing pieces that are the annular array and one side inner wall fixed connection of shell, the opposite side laminating of shell is connected with the filter screen, the edge of filter screen is connected with the shell joint through the buckle, brushless motor's output fixedly connected with output shaft, the connecting plate has been cup jointed in the one end outside of output shaft. The utility model discloses a be connected with the connecting plate through stop gear in the outside of output shaft for the connecting plate is stable to be connected, makes connecting plate convenient to detach change simultaneously, through be provided with heat conduction mechanism on the connecting plate, on heat that brushless motor produced transmitted the radiating fin through the heat conduction piece in the heat conduction mechanism, carries out quick forced air cooling heat dissipation by radiating fin, has improved the radiating efficiency of this device.

Description

Brushless condensation fan

Technical Field

The utility model relates to a condensation fan field, in particular to brushless condensation fan.

Background

The existing automobile air conditioner condensing fan system mostly adopts a brushed condensing fan, the noise is high during operation, friction exists between an electric brush and a commutator during phase change, phase change sparks are easy to generate, resistance is adopted to adjust the speed at a low speed, the efficiency is very low during low-speed operation, and the brushed motor adopts a carbon brush to change the phase, so that the defects that the carbon brush is easy to wear and tear are overcome, and the electric brush needs to be changed after being used for a period of time.

Therefore, the brushless condensing fan of some automobile air conditioner condensing fan systems is adopted, but the existing brushless condensing fan is not provided with a mechanism which is convenient for self heat dissipation, so that a motor on the fan is easy to damage due to overhigh heat, the work of the air conditioning system is influenced, and meanwhile, fan blades on the existing brushless condensing fan are inconvenient to detach and replace, and the work efficiency of the fan is easy to influence when the fan blades are damaged. Therefore, it is necessary to invent a brushless condensing fan to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brushless condensation fan to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a brushless condensation fan, includes the shell, the inner chamber middle part of shell is provided with brushless motor, brushless motor's the one end outside is through a plurality of bracing pieces that are the annular array and the one side inner wall fixed connection of shell, the opposite side laminating of shell is connected with the filter screen, the edge of filter screen is passed through the buckle and is connected with the shell joint, brushless motor's output fixedly connected with output shaft, the connecting plate has been cup jointed in the one end outside of output shaft, and the output shaft passes through stop gear and be connected with the connecting plate, a plurality of axial compressor flabellums that are the annular array and distribute of outside fixedly connected with of connecting plate, a side edge fixedly connected with heat conduction mechanism of connecting plate, heat conduction mechanism is connected with brushless motor's lateral wall laminating, heat conduction mechanism.

Preferably, the limiting mechanism comprises a baffle fixedly mounted on the output shaft, the middle part of one side of the connecting plate is connected with the baffle in an attaching mode, the middle part of the other side of the connecting plate is connected with a limiting nut in an attaching mode, and the limiting nut is connected with the output shaft through inner and outer threads.

Preferably, one side fixedly connected with of baffle is a plurality of reference columns that are the annular array and distribute, a plurality of constant head tanks with the reference column one-to-one are seted up to one side of connecting plate, the reference column is located the constant head tank.

Preferably, the heat conduction mechanism comprises a plurality of heat conduction blocks distributed in an annular array, the heat conduction blocks are arranged on the outer side of the brushless motor, and a plurality of heat dissipation fins distributed in an equidistant arc shape are fixedly connected to the outer side of the heat conduction blocks.

Preferably, two adjacent heat conduction blocks are fixedly connected through an arc plate, a cleaning brush is fixedly connected to the middle of the inner arc side of the arc plate, and the cleaning brush is attached to and connected with the outer side wall of the brushless motor.

Preferably, the inner side of the heat conduction block is provided with a ball groove, a ball is arranged in the ball groove, and the ball is attached to and connected with the outer side wall of the brushless motor.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be connected with the connecting plate through stop gear in the outside of output shaft for the connecting plate is stable to be connected, makes the connecting plate convenient to dismantle simultaneously and changes, through be provided with heat conduction mechanism on the connecting plate, the heat that brushless motor produced is transmitted to the radiating fin through the heat conduction piece on the heat conduction mechanism, carries out quick air-cooled heat dissipation by the radiating fin, has improved the radiating efficiency of this device;

2. the utility model discloses a be provided with the ball on the heat conduction piece, the setting up of ball has reduced heat conduction piece and brushless motor's frictional force for the heat conduction piece is convenient for rotate, does not influence axial fan blade's rotation, is provided with the cleaning brush on the arc, and the cleaning brush can be cleared up brushless motor's surface, avoids the dust to adhere to brushless motor's surface.

Drawings

Fig. 1 is a schematic sectional view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the axial flow fan blade of the present invention.

Fig. 3 is a schematic structural section view of the limiting mechanism of the present invention.

Fig. 4 is a schematic structural section view of the heat conducting mechanism of the present invention.

In the figure: 1. a housing; 2. a brushless motor; 3. a support bar; 4. a filter screen; 5. an output shaft; 6. a connecting plate; 7. a limiting mechanism; 8. axial flow fan blades; 9. a heat conducting mechanism; 10. a heat dissipating fin; 11. a baffle plate; 12. a limit nut; 13. a positioning column; 14. positioning a groove; 15. a heat conducting block; 16. an arc-shaped plate; 17. cleaning a brush; 18. a ball groove; 19. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a brushless condensing fan as shown in figures 1-4, as shown in figures 1 and 2, comprising a shell 1, a brushless motor 2 is arranged in the middle of the inner cavity of the shell 1, the outer side of one end of the brushless motor 2 is fixedly connected with the inner wall of one side of the shell 1 through a plurality of support rods 3 distributed in an annular array, the other side of the shell 1 is connected with a filter screen 4 in a laminating way, the edge of the filter screen 4 is connected with the shell 1 in a clamping way through a buckle, the filter screen 4 plays a role of filtering dust, the output end of the brushless motor 2 is fixedly connected with an output shaft 5, the outer side of one end of the output shaft 5 is sleeved with a connecting plate 6, the output shaft 5 is connected with the connecting plate 6 through a limiting mechanism 7, the outer side of the connecting plate 6 is fixedly connected with a plurality of axial flow fan blades 8 distributed in an annular array, the axial flow, the heat conducting mechanism 9 is attached to the outer side wall of the brushless motor 2, the heat conducting mechanism 9 is fixedly connected with heat radiating fins 10 on the outer side, and the heat radiating fins 10 are matched with the heat conducting mechanism 9 to play a role in air cooling and heat radiation.

As shown in fig. 3, stop gear 7 includes baffle 11 of fixed mounting on output shaft 5, one side middle part and the baffle 11 laminating of connecting plate 6 are connected, the laminating of the opposite side middle part of connecting plate 6 is connected with stop nut 12, stop nut 12 is connected with output shaft 5 through internal and external screw thread, stop nut 12 can be spacing with connecting plate 6 with the cooperation of baffle 11, avoid connecting plate 6 and output shaft 5 to separate, a plurality of reference columns 13 that are the annular array and distribute of one side fixedly connected with of baffle 11, a plurality of constant head tanks 14 with reference column 13 one-to-one are seted up to one side of connecting plate 6, reference column 13 is located constant head tank 14, reference column 13 and the constant head tank 14 cooperation have played the effect of location to connecting plate 6, make connecting plate 6 can be stable rotate.

As shown in fig. 4, the heat conducting mechanism 9 includes a plurality of heat conducting blocks 15 distributed in an annular array, the plurality of heat conducting blocks 15 are all disposed on the outer side of the brushless motor 2, the outer side of each heat conducting block 15 is fixedly connected with a plurality of heat dissipating fins 10 distributed in an arc shape at equal intervals, heat generated by the brushless motor 2 is transmitted to the heat dissipating fins 10 through the heat conducting blocks 15, the heat dissipating fins 10 perform rapid air cooling heat dissipation, so as to improve the heat dissipating efficiency of the device, two adjacent heat conducting blocks 15 are fixedly connected through an arc-shaped plate 16, a cleaning brush 17 is fixedly connected to the middle part of the inner arc side of the arc-shaped plate 16, the cleaning brush 17 is attached to the outer side wall of the brushless motor 2, the cleaning brush 17 can clean the surface of the brushless motor 2 to prevent dust from attaching to the surface of the brushless motor 2, a ball groove 18 is disposed on the inner side of the heat conducting block 15, balls 19 are disposed inside the ball groove 18, the balls 19, the arrangement of the balls 19 reduces the friction force between the heat conduction block 15 and the brushless motor 2, so that the heat conduction block 15 is convenient to rotate and the rotation of the axial flow fan blade 8 is not influenced.

The utility model discloses the theory of operation:

when the device works, the output shaft 5 is driven to rotate by the brushless motor 2, the output shaft 5 drives the axial flow fan blade 8 to rotate by the connecting plate 6, the condensation effect is achieved, the heat conducting mechanism 9 is driven to rotate by the connecting plate 6, the heat conducting block 15 on the heat conducting mechanism 9 rotates on the outer side wall of the brushless motor 2 through the balls 19, the friction is reduced, the rotation of the axial flow fan blade 8 is not influenced, the heat generated by the brushless motor 2 is transmitted to the radiating fins 10 through the balls 19 and the heat conducting block 15, the radiating efficiency of the device is improved by quickly cooling and radiating through the radiating fins 10, meanwhile, the arc-shaped plate 16 on the heat conducting mechanism 9 cleans the surface of the brushless motor 2 through the cleaning brush 17, the dust is prevented from attaching to the surface of the brushless motor 2, when the axial flow fan blade 8 needs to be detached and replaced, the filter screen 4 is firstly detached at the moment, then the limit, the connection plate 6 can then be removed and replaced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A brushless condensation fan, includes shell (1), its characterized in that: the inner cavity middle part of the shell (1) is provided with a brushless motor (2), the outer side of one end of the brushless motor (2) is fixedly connected with the inner wall of one side of the shell (1) through a plurality of support rods (3) distributed in an annular array, the other side of the shell (1) is connected with a filter screen (4) in a laminating manner, the edge of the filter screen (4) is connected with the shell (1) in a clamping manner through a buckle, the output end of the brushless motor (2) is fixedly connected with an output shaft (5), the outer side of one end of the output shaft (5) is sleeved with a connecting plate (6), the output shaft (5) is connected with the connecting plate (6) through a limiting mechanism (7), the outer side of the connecting plate (6) is fixedly connected with a plurality of axial flow fan blades (8) distributed in an annular array manner, one side edge of the connecting plate (6) is fixedly connected with a heat conducting mechanism (, and the outer side of the heat conduction mechanism (9) is fixedly connected with a heat radiation fin (10).

2. A brushless condensing fan according to claim 1, characterized in that: stop gear (7) are including baffle (11) of fixed mounting on output shaft (5), one side middle part and baffle (11) laminating of connecting plate (6) are connected, the laminating of opposite side middle part of connecting plate (6) is connected with stop nut (12), stop nut (12) are connected with output shaft (5) through interior external screw.

3. A brushless condensing fan according to claim 2, characterized in that: one side fixedly connected with of baffle (11) is a plurality of reference column (13) that are the annular array and distribute, a plurality of constant head tank (14) with reference column (13) one-to-one are seted up to one side of connecting plate (6), reference column (13) are located constant head tank (14).

4. A brushless condensing fan according to claim 3, characterized in that: the heat conducting mechanism (9) comprises a plurality of heat conducting blocks (15) distributed in an annular array, the heat conducting blocks (15) are arranged on the outer side of the brushless motor (2), and a plurality of heat radiating fins (10) distributed in an equidistant arc shape are fixedly connected to the outer side of the heat conducting blocks (15).

5. A brushless condensing fan according to claim 4, characterized in that: adjacent two through arc (16) fixed connection between heat conduction piece (15), the inner arc side middle part fixedly connected with cleaning brush (17) of arc (16), cleaning brush (17) are connected with brushless motor (2)'s lateral wall laminating.

6. A brushless condensing fan according to claim 5, characterized in that: the ball groove (18) has been seted up to the inboard of heat conduction piece (15), the inside in ball groove (18) is provided with ball (19), ball (19) are connected with the laminating of brushless motor's (2) lateral wall.