CN216851569U

CN216851569U - Heat radiation structure, improved generation fan and motor thereof

Info

Publication number: CN216851569U
Application number: CN202220515914.1U
Authority: CN
Inventors: 周晶; 刘勇; 张帮宁
Original assignee: Xi'an Xima Motor Co ltd
Current assignee: Xi'an Xima Motor Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-06-28
Anticipated expiration: 2032-03-10

Abstract

The utility model relates to a heat radiation structure, fan and motor thereof, heat radiation structure sets up on the curb plate in fan leeward district, heat radiation structure includes a plurality of fin, fin evenly distributed is on the circumference of curb plate. The utility model provides a heat radiation structure, fan and motor thereof, effectively utilizes heat radiation structure to stir the regional hot-air in cooling fan leeward, has promoted the hot-air flow for bearing surface's radiating rate, effectual increase of service life, the structure is simple and easy, low in manufacturing cost, and the actual production is realized easily.

Description

Heat radiation structure, improved generation fan and motor thereof

Technical Field

The utility model belongs to the technical field of motor structure, more specifically, the utility model relates to a heat radiation structure, improved generation fan and motor thereof.

Background

In order to obtain larger power, the large and medium-sized motors usually adopt an axial mixed ventilation cooling structure to perform heat dissipation and cooling on the motors. The cooling structure is that a cooling fan is arranged on the rotating shaft of the motor and is positioned at one end of the rotating shaft. When the motor rotates, the cooling fan can make the air path inside the motor circulate, but the cooling fan can gather the heat of the motor at one end of the rotating shaft provided with the cooling fan, so that the temperature rise of the motor bearing at the end is high, and the performance and the service life of the bearing are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a heat radiation structure, improved generation fan and motor thereof, effectively utilize heat radiation structure to stir the regional hot-air of cooling fan lee, promoted the hot-air flow for bearing surface's radiating rate, effectual increase of service life, the structure is simple and easy, low in manufacturing cost, and the actual production is realized easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the heat dissipation structure is characterized by being arranged on a side plate of a fan leeward area and comprising a plurality of heat dissipation fins which are uniformly distributed on the circumference of the side plate.

Further, the heat dissipation sheet comprises a heat dissipation surface and a fixing surface, and the fixing surface is fixed on the side plate through welding or bolts.

Further, the radiating surface is perpendicular to the fixing surface, and the radiating surface is arranged along the diameter direction of the side plate. The radiating fins are uniformly arranged in a radial shape along the circumference to form a radial centrifugal radiating structure, and an airflow channel is formed between every two radiating fins.

Further, the height of the heat dissipation surface is 30-50 mm.

Further, the radiating fin comprises a radiating surface, the radiating surface is perpendicular to the side plate, the bottom edge of the radiating surface is fixed on the side plate through welding, and the radiating surface is perpendicular to the side plate.

Further, 5-8 radiating fins are arranged.

An improved fan is characterized by comprising a heat dissipation structure.

The utility model provides a motor, its characterized in that, includes heat radiation structure, heat radiation structure sets up on the curb plate of traditional fan leeward district, the fan seat of traditional fan sets up the outer lane at the motor shaft, the inner chamber of motor shaft alternate in the frame, be provided with the bearing between motor shaft outer lane and the end cover, the fan seat rotates along with the motor with the bearing, the frame top is provided with the cooler.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a heat radiation structure, improved generation fan and motor thereof, effectively utilizes heat radiation structure to stir rotating device one side hot-air to play radiating effect, to the motor fan, heat radiation structure stirs the regional hot-air of cooling fan leeward, has promoted the hot-air flow, has accelerated bearing surface's radiating rate, effectual increase of service life, and the structure is simple and easy, low in manufacturing cost, and the actual production is realized easily.

In the present invention, other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a structural diagram of an improved fan with a heat dissipation structure according to the present invention;

fig. 2 is a structural diagram of a motor with a heat dissipation structure according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a structural diagram of the heat sink of the present invention;

wherein: 1. a side plate; 2. a heat sink; 3. a heat dissipating surface; 4. a fixed surface; 5. a fan base; 6. a motor shaft; 7. a conventional fan; 8. a machine base; 9. an end cap; 10. a bearing; 11. a cooler.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the following claims.

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments.

As shown in fig. 1-4, the embodiment of the utility model provides a heat radiation structure, heat radiation structure includes a plurality of fin 2, fin 2 evenly distributed is on the circumference of curb plate 1, and curb plate 1 is located the one side that can produce the rotating device of air current, and heat radiation structure includes a plurality of fin 2, sets up 5 ~ 8 pieces according to actual demand usually, and fin 2 evenly distributed is on the circumference of curb plate 1. The radiating fin 2 comprises a radiating surface 3 and a fixing surface 4, the fixing surface 4 is fixed on the side plate 1 through welding or bolts, and the radiating surface 3 is perpendicular to the fixing surface 4. The height of the heat dissipation surface 3 is 30-50 mm. The radiating fins are uniformly arranged in a radial shape along the circumference to form a radial centrifugal radiating structure, and an airflow channel is formed between every two radiating fins.

Further, the heat dissipation plate 2 may only include the heat dissipation surface 3, the heat dissipation surface 3 is perpendicular to the side plate 1, the bottom edge of the heat dissipation surface 3 is fixed to the side plate 1 by welding, and the heat dissipation surface 3 is arranged along the radial direction of the side plate 1.

The utility model also provides an improved generation fan, include as above heat radiation structure, heat radiation structure sets up on the curb plate 1 of traditional fan.

The utility model also provides a motor, include as above heat radiation structure, heat radiation structure sets up on the curb plate 1 of 7 leeward areas of traditional fan, sets up fan seat 5 of fan 7 in the outer lane of motor shaft 6, and motor shaft 6 alternates in the inner chamber of frame 8, is provided with bearing 10 between motor shaft 6 outer lane and the end cover 9, and fan seat 5 rotates along with the motor with

bearing

10, and 8 tops of frame are provided with cooler 11, and cooler 11 is as a part of motor cooling system.

The radiating fins are not influenced by positive and negative rotation of the motor due to the vertical arrangement of the radiating surface 3 and the fixing surface 4, and are suitable for the unidirectional or bidirectional rotating motor, the radiating fins are arranged on the carrier fan and move circularly along with the carrier fan to stir hot air in a leeward area of the fan, so that heat is prevented from being accumulated in the leeward area, the radiating of the outer surface of a bearing chamber is facilitated, the temperature of the bearing is reduced, and the service life of the bearing chamber is prolonged. The heat dissipation structure can also be used on the coupler to dissipate heat of the coupler.

The arrangement of the heat dissipation structure in the motor effectively utilizes the heat dissipation structure to stir hot air in a leeward area of the cooling fan, promotes hot air flow, accelerates the heat dissipation speed of the surface of the bearing, prolongs the service life effectively, and has the advantages of simple structure, low manufacturing cost and easy realization of actual production.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A heat dissipation structure is characterized by comprising a plurality of heat dissipation fins (2), wherein the heat dissipation fins (2) are uniformly distributed on the circumference of a side plate (1), and the side plate (1) is positioned on one side of a rotating device capable of generating air flow.

2. A heat-dissipating structure according to claim 1, wherein the heat-dissipating fins (2) comprise a heat-dissipating surface (3) and a fixing surface (4), and the fixing surface (4) is fixed to the side plate (1) by welding or bolting.

3. A heat-dissipating structure according to claim 2, wherein the heat-dissipating surface (3) and the fixing surface (4) are perpendicular to each other, and the heat-dissipating surface (3) is arranged along a diameter direction of the side plate (1).

4. A heat-dissipating structure according to claim 2, wherein the height of the heat-dissipating surface (3) is 30 to 50 mm.

5. A heat-dissipating structure according to claim 1, wherein the heat-dissipating fins (2) comprise heat-dissipating surfaces (3), the bottom edges of the heat-dissipating surfaces (3) are fixed to the side plates (1) by welding, and the heat-dissipating surfaces (3) are perpendicular to the side plates (1).

6. A heat dissipating structure according to claim 1, wherein 5 to 8 heat dissipating fins (2) are provided.

7. An improved fan, characterized by comprising the heat dissipation structure of any one of claims 1 to 6.

8. An electric motor, characterized by comprising the heat dissipation structure of any one of claims 1-6, wherein the heat dissipation structure is arranged on a side plate (1) of a leeward area of a traditional fan (7), a fan seat (5) of the traditional fan (7) is arranged on an outer ring of a motor rotating shaft (6), the motor rotating shaft (6) is inserted into an inner cavity of a base (8), a bearing (10) is arranged between the outer ring of the motor rotating shaft (6) and an end cover (9), the fan seat (5) and the bearing (10) rotate together with the electric motor, and a cooler (11) is arranged at the top end of the base (8).