CN212337678U

CN212337678U - Fan with excellent heat dissipation and waterproof performance

Info

Publication number: CN212337678U
Application number: CN202020694166.9U
Authority: CN
Inventors: 汪德全; 郭姪献; 张彥
Original assignee: NINGBO LIONBALL VENTILATOR CO Ltd
Current assignee: NINGBO LIONBALL VENTILATOR CO Ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-01-12
Anticipated expiration: 2030-04-29

Abstract

A fan with excellent heat dissipation and waterproof performance comprises a base, a bearing seat, a bearing, a rotor assembly, a stator assembly and an end cover, wherein the bearing seat, the bearing, the rotor assembly, the stator assembly and the end cover are arranged on the base; the end cover and the rotor assembly are respectively positioned on two sides of the base, an electric wire mounting hole is formed in the lower portion of the end cover, a plurality of radiating ribs are arranged on the end cover, the electric wire is mounted in the electric wire mounting hole, an electric wire sheath covers the electric wire, and an insulating sealing sleeve is arranged between the base and the end cover. This practicality has set up the heat dissipation muscle in three places on the end cover, has increased heat radiating area to under the condition of using the same material, can make more powerful fan.

Description

Fan with excellent heat dissipation and waterproof performance

Technical Field

The utility model relates to a fan technical field, in particular to good heat dissipation waterproof performance's fan.

Background

Compared with a common motor, the outer rotor motor has the characteristics of high efficiency, low noise, light weight, convenience in installation and maintenance and the like, is widely applied, and has the advantage of compact structure when being applied to the field of fans; the blade is designed according to the aerodynamic principle, the acoustic principle and the acoustic performance requirement, the blade is twisted from the blade top to the blade root according to a certain rule, the material usually adopts high-quality steel sheets or plastics, and the dynamic balance verification shows that the starting performance is good, the operation is stable and the noise is low. The application scenes of the fan are various, and the single working time is long after the fan is started usually, the temperature of the fan needs to be kept within the range which can be borne by mechanical materials and electric parts, the additional heat dissipation structure is added, the weight of the fan is increased, materials are consumed, the manufacturing cost is increased, and how to improve the existing parts is achieved, so that the effect of improving the heat dissipation performance of the fan is achieved, and the improvement direction is further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the problem to prior art exists provides a good heat dissipation waterproof performance's that the structure is more reasonable fan.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a fan with excellent heat dissipation and waterproof performance comprises a base, and a bearing seat, a bearing, a rotor assembly, a stator assembly and an end cover which are arranged on the base, wherein the bearing is arranged on the bearing seat, the rotor assembly is arranged corresponding to the stator assembly, the rotor assembly comprises a rotor, a rotating shaft and a rotor magnetic sheet, the rotating shaft is supported and arranged on the bearing, the rotor magnetic sheet is arranged on the inner wall of the rotor, a plurality of wind blades are uniformly arranged on the outer wall of the rotor, the stator assembly is arranged in the inner cavity of the rotor, the stator assembly comprises a stator core and a stator winding, and the stator winding is wound on the stator core; the electric wire cooling structure is characterized in that the end cover and the rotor assembly are respectively located on two sides of the base, an electric wire mounting hole is formed in the lower portion of the end cover, a plurality of heat dissipation rib groups are arranged on the end cover, each heat dissipation rib group comprises a plurality of heat dissipation ribs, an electric wire is mounted in the electric wire mounting hole, an electric wire sheath is coated on the electric wire, and an insulating sealing sleeve is arranged between the base and the end cover.

Further, the rotor magnetic sheet is made of neodymium iron boron magnetic materials.

Further, the end cover is made of aluminum.

Further, the stator winding is formed by winding an enameled wire.

Furthermore, the wind blades are provided with seven blades, and the wind blades are made of plastics or aluminum-magnesium alloy or iron alloy.

Compared with the prior art, the utility model discloses good heat dissipation waterproof performance's fan's beneficial effect as follows: the end cover is provided with the heat dissipation ribs at three positions, so that the heat dissipation area is greatly increased, the temperature of the fan is reduced, the service life of the fan is prolonged, and the heat dissipation performance is improved, so that a fan with higher power can be manufactured under the condition of using the same material; and, set up insulating seal cover between end cover and base, guaranteed to have sufficient insulating seal intensity, simultaneously, because insulating seal cover has filled the space in the structure, also improved certain waterproof performance.

Drawings

Fig. 1 is a front view of the fan with excellent heat dissipation and waterproof performance.

Fig. 2 is the utility model discloses the cross-sectional view of the fan of good heat dissipation waterproof performance.

Fig. 3 is a perspective view of the end cap of the present invention.

Fig. 4 is a front view of the end cap of the present invention.

Fig. 5 is a cross-sectional view of the a-a surface of the end cap of the present invention.

Reference numerals: 1. a base; 2. a bearing seat; 3. a bearing; 4. a rotor assembly; 41. a rotor; 42. a rotating shaft; 43. A rotor magnetic sheet; 5. a stator assembly; 51. a stator core; 52. a stator winding; 6. an end cap; 61. a wire mounting hole; 62. heat dissipation ribs; 7. a wind blade; 8. a wire sheath; 9. an insulating sealing sleeve;

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 5, the fan with excellent heat dissipation and waterproof performance of the present embodiment includes a base 1, a bearing seat 2, a bearing 3, a rotor assembly 4, a stator assembly 5, and an end cover 6, which are disposed on the base 1, wherein the bearing 3 is mounted on the bearing seat 2, the rotor assembly 4 is disposed corresponding to the stator assembly 5, the rotor assembly 4 includes a rotor 41 and a rotating shaft 42, the rotating shaft 42 is supported and mounted on the bearing 3, a plurality of wind blades 7 are uniformly disposed on an outer wall of the rotor 41, the stator assembly 5 is mounted in an inner cavity of the rotor 41, the stator assembly 5 includes a stator core 51 and a stator winding 52, and the stator winding 52 is; the end cover 6 and the rotor assembly 4 are respectively positioned at two sides of the base 1, the lower part of the end cover 6 is provided with an electric wire mounting hole 61, the end cover 6 is provided with a plurality of heat dissipation ribs 62, the heat dissipation ribs 62 are intensively distributed at three positions of the end cover 6, specifically, the edges far away from the electric wire mounting hole 61 and the edges at two sides of the end cover 6, the arrangement and the distribution design of the heat dissipation ribs 62 increase the heat dissipation area of the fan, are beneficial to keeping the stable operation of the fan, and the fan can be used as a more powerful fan on the premise of using the same material due to good heat dissipation performance; in addition, the electric wire is installed in the electric wire mounting hole 61, and the electric wire is coated with the electric wire sheath 8, so that the waterproof performance of the fan is enhanced, and the fan is safer to use. An insulating sealing sleeve 9 is arranged between the base 1 and the end cover 6, and the arrangement of the insulating protection measures not only enhances the power utilization safety, but also further improves the waterproof performance of the fan.

Specifically, rotor subassembly 4 still includes rotor magnetic sheet 43, and rotor magnetic sheet 43 sets up on the inner wall of rotor 41, and rotor magnetic sheet 43 can effectively reduce rotor 41 inertia to improve fan efficiency.

Specifically, the rotor magnetic sheet 43 is made of a neodymium iron boron magnetic material.

Specifically, the end cap 6 is made of aluminum, and is light, thin and durable.

Specifically, the stator winding 52 is wound from a copper wire (enameled wire),

specifically, seven wind blades 7 are arranged in the embodiment, and the wind blades 7 are aluminum magnesium alloy sickle-shaped blades, and can also be made of plastic or aluminum magnesium alloy or iron alloy.

Finally, it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a fan of good heat dissipation waterproof performance which characterized in that: comprises a base (1), and a bearing seat (2), a bearing (3), a rotor assembly (4), a stator assembly (5) and an end cover (6) which are arranged on the base (1), the bearing (3) is arranged on the bearing seat (2), the rotor component (4) and the stator component (5) are correspondingly arranged, the rotor component (4) comprises a rotor (41), a rotating shaft (42) and a rotor magnetic sheet (43), the rotating shaft (42) is supported and arranged on the bearing (3), the rotor magnetic sheet (43) is arranged on the inner wall of the rotor (41), a plurality of wind blades (7) are uniformly arranged on the outer wall of the rotor (41), the stator assembly (5) is arranged in an inner cavity of the rotor (41), the stator assembly (5) comprises a stator core (51) and a stator winding (52), and the stator winding (52) is wound on the stator core (51);

the electric wire cooling structure is characterized in that the end cover (6) and the rotor assembly (4) are respectively located on two sides of the base (1), an electric wire mounting hole (61) is formed in the lower portion of the end cover (6), a plurality of heat dissipation rib groups are arranged on the end cover (6), each heat dissipation rib group comprises a plurality of heat dissipation ribs (62), an electric wire is mounted in the electric wire mounting hole (61), an electric wire sheath (8) wraps the electric wire, and an insulating sealing sleeve (9) is arranged between the base (1) and the end cover (6).

2. The blower fan with excellent heat dissipation and waterproof performances as claimed in claim 1, wherein the rotor magnetic sheet (43) is made of neodymium iron boron magnetic material.

3. The blower fan with excellent heat dissipation and waterproof performance as claimed in claim 1, wherein the end cap (6) is made of aluminum.

4. The blower fan with excellent heat dissipation and waterproof performance as claimed in claim 1, wherein the stator winding (52) is wound by enameled wire.

5. The fan with excellent heat dissipation and waterproof performances as claimed in claim 1, wherein the number of the wind blades (7) is seven, and the wind blades (7) are made of plastic or aluminum-magnesium alloy or iron alloy.