CN216407060U - A kind of cooling device for wind power generator - Google Patents

Abstract

The utility model discloses a heat dissipation device for a wind energy generator, which comprises a casing, one side of the casing is rotatably connected with a transmission shaft, the inner cavity of the casing is fixedly provided with a generator body, and an input of the generator body is provided. The shaft is connected with one end of the transmission shaft through a coupling, the end of the transmission shaft is fixedly sleeved with a connecting ring, the outer wall of the connecting ring is in a circular array and fixedly connected with a plurality of fan blades at equal intervals, and the two sides of the bottom end of the cabin shell are fixedly connected. Both are provided with honeycomb-shaped heat dissipation through holes. The utility model utilizes the connecting ring and a plurality of fan blades installed on the transmission shaft, and then cooperates with the honeycomb-shaped heat dissipation through holes opened at the bottom end of the casing of the cabin, so that the connecting ring and the fan blades can rotate with the rotation of the transmission shaft. The rotating fan blades can blow out the heat in the casing from the honeycomb-shaped heat dissipation through holes to achieve the purpose of rapid heat dissipation, which not only improves the service life of the generator, but also improves the utilization rate of wind energy.

Description

A kind of cooling device for wind power generator

technical field

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

Background technique

Traditional wind energy generators generally use wind to drive the wind wheel to rotate. When the wind wheel rotates, the input shaft of the generator in the casing is driven by the drive shaft to rotate, thereby converting wind energy into mechanical energy, and then converting mechanical energy into electrical energy.

However, in the casing of the wind energy generator today, since the drive shaft continuously drives the input shaft of the generator to rotate, heat is generated inside the generator, and this heat is transferred to the casing through the casing of the generator. The dissipation of this heat will affect the working efficiency of the generator, and at the same time, it is easy to cause the internal heat of the generator to be too high to cause damage and reduce its service life.

Utility model content

The purpose of the present invention is to provide a heat dissipation device for a wind energy generator to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a heat dissipation device for a wind energy generator, comprising a casing, one side of the casing is rotatably connected with a transmission shaft, and an inner cavity of the casing A generator body is fixedly arranged, the input shaft of the generator body is drivingly connected with one end of the transmission shaft through a coupling, and the end of the transmission shaft is fixedly sleeved with a connecting ring at the position of the inner cavity of the cab shell A plurality of fan blades are fixedly connected to the outer wall of the connecting ring in an annular array at equal intervals, and both sides of the bottom end of the cabin shell are provided with honeycomb-shaped heat dissipation through holes.

Preferably, the outer wall of the connecting ring is threadedly connected with a tightening screw, one end of the tightening screw is movably inserted and connected to the outer wall of the transmission shaft through the connecting ring, and the other end of the tightening screw is provided with a cross-shaped opening. groove.

Preferably, a protective cover is fixedly connected to the positions corresponding to the honeycomb heat dissipation through holes on both sides of the bottom end of the cabin shell, and a conical cover is fixedly connected to the bottom end of the protective cover.

Preferably, the outer wall of the transmission shaft is fixedly and insertedly connected with a connecting bearing, and the outer wall of the connecting bearing is fixedly inserted and connected with one side of the casing of the cabin.

Preferably, both sides of the bottom end of the inner cavity of the cabin shell and the positions corresponding to the honeycomb heat dissipation through holes are provided with a circular frame, the inner cavity of the circular frame is fixedly connected with a dustproof net, and the circular frame is A plurality of fixing bolts are movably inserted and connected at the top of the fixing bolts at intervals, and the bottom ends of the fixing bolts are all threadably connected with the bottom end of the inner cavity of the cabin shell.

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

Technical effects and advantages of the present utility model:

(1) The utility model utilizes the connecting ring and a plurality of fan blades installed on the transmission shaft, and then cooperates with the honeycomb-shaped heat dissipation through holes opened at the bottom end of the casing, so that the connecting ring and the fan blades can rotate with the rotation of the transmission shaft. The rotating and rotating fan blades can blow the heat in the casing from the honeycomb heat dissipation through holes to achieve the purpose of rapid heat dissipation, which not only improves the service life of the generator, but also improves the utilization rate of wind energy;

(2) The utility model utilizes the arrangement of the protective cover and the conical cover, which can play a protective role on the honeycomb-shaped heat dissipation through holes at the bottom end of the cabin shell, and prevent the sundries blown by the rain from entering the cabin shell. Thus, the protective effect on the inside of the cabin shell is improved.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

FIG. 2 is a schematic diagram of the front cross-sectional structure of the utility model.

FIG. 3 is a partial enlarged structural schematic diagram of part A of FIG. 2 of the present utility model.

In the picture: 1. Cabin shell; 2. Transmission shaft; 3. Generator body; 4. Connecting ring; 5. Fan blade; 6. Fastening screw; 7. Circular frame; 8. Fixing bolt; Dust net; 10. Honeycomb cooling holes; 11. Protective cover; 12. Conical cover; 13. Connecting bearing; 14. Fixed block.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The utility model provides a heat dissipation device for a wind energy generator as shown in Figures 1-3, comprising a casing 1, a transmission shaft 2 is connected to one side of the casing 1 in rotation, and the outer wall of the transmission shaft 2 is fixed and inserted A connecting bearing 13 is connected, and the outer wall of the connecting bearing 13 is fixedly inserted and connected with one side of the casing 1. The transmission shaft 2 is used for the connection between the wind wheel and the input shaft of the generator body 3 in the wind energy generator. A connecting bearing 13 is installed at the connection with the cab shell 1, which can increase the rotation efficiency of the transmission shaft 2. The inner cavity of the cab shell 1 is fixedly provided with a generator body 3, and the bottom end of the generator body 3 is fixedly connected symmetrically. There are two fixing blocks 14 , and the bottom ends of the two fixing blocks 14 are respectively fixedly connected with the bottom ends of the inner cavity of the cab shell 1 , which play a supporting and fixing role for the generator body 3 and maintain the stable installation of the generator body 3 . , the input shaft of the generator body 3 is drivingly connected with one end of the transmission shaft 2 through a coupling, and the end of the transmission shaft 2 is fixedly sleeved with a connecting ring 4 at the position of the inner cavity of the cabin shell 1. The outer wall thread is interspersed and connected with a fastening screw 6, and one end of the fastening screw 6 penetrates the connecting ring 4 and is connected with the outer wall of the transmission shaft 2, and the fastening screw 6 is used to pass through the connecting ring 4 and the outer wall of the transmission shaft 2, and the connection ring 4 is connected. A limit fix is carried out between it and the transmission shaft 2, which is convenient for the disassembly and assembly of the connecting ring 4, and the other end of the fastening screw 6 is provided with a cross-shaped slot, which is convenient for the operator to use a screwdriver to rotate and disassemble the fastening screw 6. The outer wall of the connecting ring 4 is fixedly connected with a plurality of fan blades 5 in an annular array at equal intervals, and both sides of the bottom end of the cabin shell 1 are provided with honeycomb heat dissipation through holes 10 to improve the circulation efficiency of airflow;

A protective cover 11 is fixedly connected to the positions corresponding to the honeycomb heat dissipation through holes 10 on both sides of the bottom end of the cabin shell 1, and a conical cover 12 is fixedly connected to the bottom end of the protective cover 11. The combination of the protective cover 11 and the conical cover 12, It can protect the position of the honeycomb heat dissipation through hole 10 of the cabin shell 1 to prevent rainwater or sundry particles blown by the wind from entering the inner cavity of the cabin shell 1 from the honeycomb heat dissipation through hole 10, causing pollution and causing the cabin. Both sides of the bottom end of the inner cavity of the casing 1 and the positions corresponding to the honeycomb heat dissipation through holes 10 are provided with a circular frame 7 , and the inner cavity of the circular frame 7 is fixedly connected with a dustproof net 9 , which plays a role in the honeycomb heat dissipation through holes 10 . For a dust-proof effect, the top of the return frame 7 is connected with a plurality of fixing bolts 8 at intervals, and the bottom ends of the fixing bolts 8 are all threadedly connected with the bottom end of the inner cavity of the cabin shell 1, which is convenient for the return frame 7. It is fixed to the cabin shell 1.

The working principle of the utility model: when the wind energy blows the wind wheel to rotate, the wind wheel drives the transmission shaft 2 to rotate, and the rotation of the transmission shaft 2 drives the input shaft of the generator body 3 to rotate, so as to realize the conversion of wind energy into electric energy, and at the same time the transmission shaft 2 rotates. At the same time, it will also drive the connecting ring 4 and the plurality of fan blades 5 to rotate. When the plurality of fan blades 5 rotate, the air flow inside the casing 1 will be blown, so that the hot air can be discharged from one of the honeycomb heat dissipation through holes 10 , so that the airflow and pressure of the cabin shell 1 are reduced, so that the external cold air enters the cabin shell 1 from another honeycomb heat dissipation through hole 10, and the generator body 3 and other components inside the cabin shell 1 are cleaned Heat dissipation and cooling, so as to achieve a good heat dissipation effect.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it may be a fixed connection, or It can be a detachable connection or an integral body; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between two elements or the interaction between the two elements. . For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

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

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

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).

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