CN216407060U

CN216407060U - Heat dissipation device for wind driven generator

Info

Publication number: CN216407060U
Application number: CN202123043360.4U
Authority: CN
Inventors: 郑舒婷
Original assignee: Individual
Current assignee: Yangzhou Yuxinda Electromechanical Technology Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-29
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a heat dissipation device for a wind-driven generator, which comprises a machine box shell, wherein one side of the machine box shell is rotatably and alternately connected with a transmission shaft, a generator body is fixedly arranged in an inner cavity of the machine box shell, an input shaft of the generator body is in transmission connection with one end of the transmission shaft through a coupler, a connecting ring is fixedly sleeved at the end part of the transmission shaft, the outer wall of the connecting ring is in an annular array and is fixedly connected with a plurality of fan blades at equal intervals, and both sides of the bottom end of the machine box shell are provided with honeycomb-shaped heat dissipation through holes. The connecting ring and the fan blades are additionally arranged on the transmission shaft and are matched with the honeycomb-shaped heat dissipation through hole formed in the bottom end of the cage shell, so that the connecting ring and the fan blades can rotate along with the rotation of the transmission shaft, the rotating fan blades can blow heat in the cage shell out of the honeycomb-shaped heat dissipation through hole, the purpose of fast heat dissipation is achieved, the service life of the generator is prolonged, and meanwhile, the utilization rate of wind energy is improved.

Description

Heat dissipation device for wind driven generator

Technical Field

The utility model relates to the field of wind-driven generators, in particular to a heat dissipation device for a wind-driven generator.

Background

The traditional wind energy generator generally blows a wind wheel to rotate by wind power, and the wind wheel drives a generator input shaft in a carriage shell to rotate through a transmission shaft when rotating, so that wind energy is converted into mechanical energy, and then the mechanical energy is converted into electric energy.

However, in the current cage shell of the wind power generator, the transmission shaft continuously drives the input shaft of the generator to rotate, so that heat is generated inside the generator, the heat is transmitted to the inside of the cage shell through the generator shell, if the heat is not dissipated in time, the working efficiency of the generator is affected, meanwhile, the heat inside the generator is too high, damage is caused, and the service life of the generator is shortened.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a heat dissipation device for a wind power generator, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a heat dissipation device for a wind driven generator comprises a machine chamber shell, wherein a transmission shaft is rotatably and alternately connected to one side of the machine chamber shell, a generator body is fixedly arranged in an inner cavity of the machine chamber shell, an input shaft of the generator body is in transmission connection with one end of the transmission shaft through a coupler, a connecting ring is fixedly sleeved at the end part of the transmission shaft and located in the inner cavity of the machine chamber shell, the outer wall of the connecting ring is in an annular array and is fixedly connected with a plurality of fan blades at equal intervals, and cellular heat dissipation through holes are formed in two sides of the bottom end of the machine chamber shell.

Preferably, the outer wall of the connecting ring is in threaded insertion connection with a fastening screw, one end of the fastening screw penetrates through the connecting ring and is in movable insertion connection with the outer wall of the transmission shaft, and the other end of the fastening screw is provided with a cross-shaped groove.

Preferably, the two sides of the bottom end of the cage shell are fixedly connected with protective covers at positions corresponding to the honeycomb-shaped heat dissipation through holes, and the bottom ends of the protective covers are fixedly connected with conical covers.

Preferably, the outer wall of the transmission shaft is fixedly connected with a connecting bearing in an inserting manner, and the outer wall of the connecting bearing is fixedly connected with one side of the cage shell in an inserting manner.

Preferably, the two sides of the bottom end of the inner cavity of the cage shell are provided with a square frame at positions corresponding to the honeycomb-shaped heat dissipation through holes, the inner cavity of the square frame is fixedly connected with a dust screen, the top end of the square frame is movably connected with a plurality of fixing bolts in an inserting mode at intervals, and the bottom ends of the fixing bolts are connected with the bottom end of the inner cavity of the cage shell in a threaded inserting mode.

Preferably, the bottom end of the generator body is symmetrically and fixedly connected with two fixed blocks, and the bottom ends of the two fixed blocks are respectively and fixedly connected with the bottom end of the inner cavity of the cage shell.

The utility model has the technical effects and advantages that:

(1) the connecting ring and the fan blades are additionally arranged on the transmission shaft and are matched with the honeycomb-shaped heat dissipation through hole formed in the bottom end of the cage shell, so that the connecting ring and the fan blades can rotate along with the rotation of the transmission shaft, and the rotating fan blades can blow heat in the cage shell out of the honeycomb-shaped heat dissipation through hole, so that the purpose of quickly dissipating heat is achieved, the service life of the generator is prolonged, and meanwhile, the utilization rate of wind energy is improved;

(2) the utility model can play a role in protecting the honeycomb-shaped heat dissipation through holes at the bottom end of the cage shell by utilizing the arrangement of the protective cover and the conical cover, and prevents sundries blown by rainwater along with wind from entering the cage shell, thereby improving the protection effect on the interior of the cage shell.

Drawings

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

FIG. 2 is a front sectional structural view of the present invention.

Fig. 3 is a schematic view of the enlarged structure at a of fig. 2 according to the present invention.

In the figure: 1. a cage shell; 2. a drive shaft; 3. a generator body; 4. a connecting ring; 5. a fan blade; 6. fastening screws; 7. a clip frame; 8. fixing the bolt; 9. a dust screen; 10. a honeycomb-shaped heat dissipation through hole; 11. a protective cover; 12. a conical cover; 13. connecting a bearing; 14. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a heat dissipation device for a wind power generator as shown in figures 1-3, which comprises a machine box shell 1, wherein one side of the machine box shell 1 is rotatably and alternately connected with a transmission shaft 2, the outer wall of the transmission shaft 2 is fixedly and alternately connected with a connecting bearing 13, the outer wall of the connecting bearing 13 is fixedly and alternately connected with one side of the machine box shell 1, the transmission shaft 2 is used for connecting a wind wheel in the wind power generator with an input shaft of a generator body 3, the rotating efficiency of the transmission shaft 2 can be increased by additionally arranging the connecting bearing 13 at the joint between the transmission shaft 2 and the machine box shell 1, the inner cavity of the machine box shell 1 is fixedly provided with the generator body 3, the bottom end of the generator body 3 is symmetrically and fixedly connected with two fixed blocks 14, the bottom ends of the two fixed blocks 14 are respectively and fixedly connected with the bottom end of the inner cavity of the machine box shell 1, and play a role of supporting and fixing for the generator body 3, the installation stability of the generator body 3 is kept, an input shaft of the generator body 3 is in transmission connection with one end of a transmission shaft 2 through a coupler, a connecting ring 4 is fixedly sleeved at the end part of the transmission shaft 2 and is positioned in the inner cavity of a cage shell 1, a fastening screw 6 is in threaded insertion connection with the outer wall of the connecting ring 4, one end of the fastening screw 6 penetrates through the connecting ring 4 and is in movable insertion connection with the outer wall of the transmission shaft 2, the fastening screw 6 penetrates through the outer walls of the connecting ring 4 and the transmission shaft 2 to carry out spacing fixation between the connecting ring 4 and the transmission shaft 2, the connecting ring 4 is convenient to disassemble and assemble, the other end of the fastening screw 6 is provided with a cross-shaped slot, an operator can conveniently use a screwdriver to carry out rotating disassembly and assembly of the fastening screw 6, the outer wall of the connecting ring 4 is in an annular array and is fixedly connected with a plurality of fan blades 5 at equal intervals, and cellular heat dissipation through holes 10 are respectively arranged at two sides of the bottom end of the cage shell 1, the circulation efficiency of the airflow is improved;

the two sides of the bottom end of the cage shell 1 are fixedly connected with protective covers 11 at positions corresponding to the honeycomb-shaped heat dissipation through holes 10, the bottom end of each protective cover 11 is fixedly connected with a conical cover 12, the combination of the protective covers 11 and the conical covers 12 can protect the positions of the honeycomb-shaped heat dissipation through holes 10 of the cage shell 1 to prevent rainwater or sundry particles blown along with wind from entering the inner cavity of the cage shell 1 from the honeycomb-shaped heat dissipation through holes 10 to cause pollution, the positions of the two sides of the bottom end of the inner cavity of the cage shell 1 and the positions corresponding to the honeycomb-shaped heat dissipation through holes 10 are respectively provided with a clip 7, the inner cavity of the clip 7 is fixedly connected with a dustproof net 9, plays a dustproof role in the honeycomb-shaped heat dissipation through holes 10, a plurality of fixing bolts 8 are movably inserted and connected at intervals at the top end of the square-shaped frame 7, and the bottom of the fixing bolt 8 is inserted and connected with the bottom thread of the inner cavity of the cage shell 1, so that the square frame 7 and the cage shell 1 can be fixed conveniently.

The working principle of the utility model is as follows: when the wind energy blows the wind wheel to rotate, the wind wheel drives the transmission shaft 2 to rotate, the transmission shaft 2 rotates to drive the input shaft of the generator body 3 to rotate, the wind energy is converted into electric energy, meanwhile, the transmission shaft 2 rotates to drive the connecting ring 4 and the fan blades 5 to rotate, when the fan blades 5 rotate, the air flow inside the cage shell 1 can be blown, the hot air flow can be discharged from one of the honeycomb-shaped heat dissipation through holes 10, the air flow of the cage shell 1 is reduced, the pressure is reduced, the external cold air enters the cage shell 1 from the other honeycomb-shaped heat dissipation through hole 10, the generator body 3 and other components inside the cage shell 1 are cooled through heat dissipation, and a good heat dissipation effect is achieved.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The heat dissipation device for the wind driven generator comprises a machine box shell (1) and is characterized in that one side of the machine box shell (1) is rotatably inserted and connected with a transmission shaft (2), a generator body (3) is fixedly arranged in an inner cavity of the machine box shell (1), an input shaft of the generator body (3) is in transmission connection with one end of the transmission shaft (2) through a coupler, a connecting ring (4) is fixedly sleeved at the end part of the transmission shaft (2) and located in the inner cavity of the machine box shell (1), the outer wall of the connecting ring (4) is in an annular array and is fixedly connected with a plurality of fan blades (5) at equal intervals, and cellular heat dissipation through holes (10) are formed in two sides of the bottom end of the machine box shell (1).

2. The heat dissipation device for the wind power generator according to claim 1, wherein a fastening screw (6) is inserted and connected to the outer wall of the connection ring (4) in a threaded manner, one end of the fastening screw (6) penetrates through the connection ring (4) and is movably inserted and connected with the outer wall of the transmission shaft (2), and a cross-shaped groove is formed in the other end of the fastening screw (6).

3. The heat dissipation device for the wind power generator according to claim 1, wherein protective covers (11) are fixedly connected to two sides of the bottom end of the cage shell (1) at positions corresponding to the honeycomb heat dissipation through holes (10), and conical covers (12) are fixedly connected to the bottom ends of the protective covers (11).

4. The heat dissipation device for the wind power generator according to claim 1, wherein a connection bearing (13) is fixedly inserted and connected to the outer wall of the transmission shaft (2), and the outer wall of the connection bearing (13) is fixedly inserted and connected to one side of the casing (1).

5. The heat dissipation device for the wind power generator according to claim 1, wherein the two sides of the bottom end of the inner cavity of the machine compartment shell (1) are provided with a square frame (7) at positions corresponding to the honeycomb heat dissipation through holes (10), the inner cavity of the square frame (7) is fixedly connected with a dust screen (9), the top end of the square frame (7) is movably inserted and connected with a plurality of fixing bolts (8) at intervals, and the bottom ends of the fixing bolts (8) are inserted and connected with the bottom end of the inner cavity of the machine compartment shell (1) in a threaded manner.

6. The heat dissipation device for the wind power generator according to claim 1, wherein two fixing blocks (14) are symmetrically and fixedly connected to the bottom end of the generator body (3), and the bottom ends of the two fixing blocks (14) are respectively and fixedly connected to the bottom end of the inner cavity of the cage shell (1).