WO2014056179A1

WO2014056179A1 - Wind power generation apparatus

Info

Publication number: WO2014056179A1
Application number: PCT/CN2012/082828
Authority: WO
Inventors: 杨良智; 陈寿山
Original assignee: 美商风光能源开发股份有限公司
Priority date: 2012-10-12
Filing date: 2012-10-12
Publication date: 2014-04-17

Abstract

A wind power generation apparatus, which comprises a turbofan (1), a transmission mechanism (22) and at least one generator (3). The turbofan (1) comprises a turbine frame (11), multiple blades (12) and a central shaft cylinder (13). The central shaft cylinder (13) is arranged in a center of the turbine frame (11), and comprises an outer shaft (131) and an inner shaft (132). The transmission mechanism (22) is arranged on a top surface of the turbine frame (11). Each generator comprises a rotor shaft (32), and the rotor shaft (32) is connected to the transmission mechanism (22). The transmission mechanism (22) rotates with rotation of the turbine frame (11) and drives the rotor shaft (32) to rotate to allow the generator to generate power.

Description

Wind power generator

Technical field

The present invention relates to the design of a power generating device, and more particularly to a wind power generating device. Background technique

According to the earth, the oil resources of the earth are limited. As the price of crude oil soars, the price of goods is relatively increased. People are not only facing a shortage of crude oil, but the economic and social problems caused by it are even more unmeasurable. Therefore, only positive development alternatives Energy can avoid the energy crisis. The use of wind power, water power and solar energy as a means of generating electricity not only saves the environment but also saves the consumption of petroleum energy, and the acquisition of these natural energy sources is inexhaustible and inexhaustible.

In the case of a general wind turbine, it is mainly composed of a fan and a generator, so that the fan is connected to the rotating shaft of the generator, so that when the fan is operated by the wind, the connected power is generated. The machine produces electrical energy.

For example, in the Taiwanese Patent No. M 3 1 6 3 27 Patent, a wind power generator device is disclosed, which includes a generator set and a vertical axis type blade group, and the blade group is used to drive the generator set to operate. The wind power generator device comprises a base, and the blade group comprises a rotating shaft, and the base supports both ends of the rotating shaft, and one end of the rotating shaft is coupled to the generator set.

Technical problem to be solved by the present invention:

However, most of the generators are directly coupled to the rotating shaft of the fan to drive the generator from the rotating shaft of the fan, as in the novel patent described above. In addition, there are also gears to drive the design of the generator. However, the design of these connection methods is quite cumbersome in manufacturing and assembly, which wastes a lot of material costs and man-hours of production.

Moreover, the above two connection methods of the generator and the fan are also inconvenient in maintenance, and the damage rate is high if the maintenance is not normally performed, especially the gear is used to drive the design of the generator. Summary of the invention

Accordingly, it is a primary object of the present invention to provide a wind power generator that is easy to assemble to save manufacturing costs.

Another object of the present invention is to provide a structurally stable wind power generator to save maintenance time and increase service life.

The technical means for solving the problem of the invention: The technical means adopted by the present invention to solve the problems of the prior art is to provide a wind power generation device, characterized in that the wind power generation device comprises:

a turbofan, the turbofan including:

a turbine frame;

a plurality of blades, the top and bottom of the blade being coupled to the turbine frame;

a central axle column disposed at a central location of the turbine frame, including:

An outer shaft, which is hollow tubular, the top of the outer shaft is coupled to the turbine frame and protrudes upwardly from the top surface of the turbine frame by a predetermined distance, the outer shaft rotating with the rotation of the turbine frame;

An inner shaft, which is hollow tubular, is disposed in the inner space of the outer shaft, and has a reserved space between the outer annular surface of the inner shaft and the inner annular surface of the outer shaft, and the top of the inner shaft protrudes upward a predetermined distance from the top of the outer shaft, the inner shaft being fixed and not rotating;

a transmission mechanism coupled to the turbine frame;

At least one generator, each of the generators respectively includes a rotor shaft coupled to the transmission mechanism, the transmission mechanism rotating with the rotation of the turbine frame and driving the rotor shaft to rotate to generate electric power of the generator.

Wherein the blade is an upright blade.

Wherein the transmission mechanism is coupled to the top surface of the turbine frame.

It also includes a cover disposed above the turbine frame and covering the transmission mechanism and the generator, the cover having a cover body.

The cover body comprises at least three shielding plates, each of which is disposed adjacent to each other and disposed adjacent to each other at an oblique angle around a central axis to form a tapered cover body.

A predetermined length of the fin is protruded outwardly from adjacent side edges of each of the shielding plates to increase the wind receiving area of the wind power generating device.

Wherein the cover body comprises a ventilation frame, the ventilation frame is disposed on a top surface of the turbine frame, the cover body is disposed on the ventilation frame, and the transmission mechanism and the generator are located in an inner space of the ventilation frame.

It also includes a plurality of baffles disposed at selected locations of the venting frame.

Wherein the transmission mechanism comprises a belt pulley and a belt, the belt pulley is disposed at a central position of the top surface of the turbine frame, and the belt sleeve is disposed on the belt pulley and a pulley of the rotor shaft of the generator.

The outer ring surface of the top of the inner shaft is provided with a fixing plate, and the generator is disposed at a selected position of the fixing plate. Wherein the transmission mechanism comprises a belt pulley and a belt, the belt pulley is disposed at a central position of a top surface of the turbine frame, the fixing plate is further provided with a pair of belt elastic adjusters, and the belt elastic adjuster is coupled to a gear set. The gear set is coupled to a rotating shaft, and the rotating shaft is coupled to a small pulley. The belt of the transmission mechanism is sleeved on the small pulley, the belt pulley of the transmission mechanism and the pulley of the rotor shaft of the generator.

The utility model further includes a first axial bearing mechanism and two second axial bearing mechanisms, and the outer axial direction protrudes from the bottom of the turbine frame to form a protruding structure, and the inner axial direction is convexly protruded from The protruding structure forms a protruding portion, and the outer annular surface of the bottom end of the protruding portion of the inner shaft is coupled with a fixed base, the first axial bearing mechanism is disposed on the fixed base, the protruding structure of the outer shaft and the inner shaft Between the outer annular faces of the protruding portions, one of the second axial bearing mechanisms is disposed between the outer annular surface of the protruding portion of the inner shaft and the inner annular surface of the protruding structure of the outer shaft and located at the An axial bearing mechanism is adjacent to the upper position, and another second axial bearing mechanism is disposed between the inner annular surface of the top of the outer shaft and the outer annular surface of the inner shaft.

Wherein the transmission mechanism is coupled to the bottom of the turbine frame.

Wherein the transmission mechanism comprises a belt pulley and a belt, the belt pulley is disposed at a central position of the bottom of the turbine frame, and the belt sleeve is disposed on the belt pulley and a pulley of the rotor shaft of the generator.

Wherein the generator is disposed at a selected location of the fixed base.

Wherein the transmission mechanism comprises a belt pulley and a belt, the belt pulley is disposed at a central position of the bottom of the turbine frame, the fixed base is further provided with a belt elastic adjuster, the belt elastic adjuster is coupled to a gear set, the gear The group is coupled with a rotating shaft, and the rotating shaft is coupled with a small pulley. The belt of the transmission mechanism is sleeved on the small pulley, the belt pulley of the transmission mechanism and the pulley of the rotor shaft of the generator.

The present invention compares the efficacy of the prior art:

Through the technical means adopted by the present invention, the turbo fan can drive the generator only through the transmission mechanism, and the transmission mechanism is disposed on the top surface of the turbo fan, which is convenient in manufacturing and assembly, and can save many manufacturing costs and manpower. Working hours.

Moreover, the design of the present invention in which the transmission mechanism is coupled to the generator is stable in structure, is not easily damaged even if the wind is strong, and is relatively durable, and is relatively light in maintenance, and the design of the belt elastic adjuster can also increase the service life of the present invention. DRAWINGS

Specific embodiments of the present invention will be further illustrated by the following examples and the accompanying drawings in which: Figure 1 is a perspective view of a first embodiment of a wind power generator of the present invention;

Figure 2 is a schematic view showing the arrangement of a generator, a transmission mechanism and a cover body in the first embodiment of the present invention; Figure 3 is a cross-sectional view showing the central shaft column and the bearing mechanism in the first embodiment of the present invention;

Figure 4 is a cross-sectional view showing a center shaft column, a bearing mechanism, a generator, and a transmission mechanism in a second embodiment of the present invention.

among them-

1 0 0 wind power generator

1 turbo fan

1 1 turbine frame

1 1 1 one cover

1 1 2 below the frame

1 1 3 a wind guide

1 2 one blade

1 3 a central shaft column

1 3 1 an outer shaft

1 3 1, a protruding structure

1 3 2—inner shaft

1 3 2, a projection

2 1 fixed plate

2 2 a transmission mechanism

2 2 1 , 2 2 1 a—belt tray

2 2 2 a belt

3 generator

3 1 a shell

3 2 a rotor shaft

3 2 1 one pulley

3 3 a, 3 3 b—power supply set

3 3 c, 3 3 d—regulatory wire set

4 a cover

4 1 _cover body 4 1 1 a shield

4 1 2—wings

4 2 a ventilation frame

4 3 a guide

5 ―Lightning rod

6 1 a current voltage regulator

6 1 1 , 6 1 2 storage harness

6 2 1 a gear set

6 2 2—shaft

6 2 3 a small pulley

6 3 1 belt elastic regulator

7 1 - first axial bearing mechanism

7 2 a, 7 2 b—second axial bearing mechanism

8, 8 a—fixed base

8 1 a bottom column

8 1 1 a joint

9-electric storage device

A—first axial direction

B—second axial direction

I-center axis

Referring to Fig. 1, a wind power generator 100 of the present invention includes a turbo fan 1, and the turbo fan 1 includes a turbine frame 1 1 , a plurality of blades 12 and a center column 13 . The turbine frame 1 1 includes an upper cover 1 1 1 and a lower frame 1 1 2, and the blades 1 2 are upright blades, and the tops of the blades 1 2 are coupled to the upper cover 1 1 of the turbine frame 1 1 . The bottom of 1 2 is the lower frame 1 1 2 that is coupled to the turbine frame 1 1 . And the bottom of the turbine frame 1 1 is formed with a plurality of wind deflectors 1 1 3 .

Referring to FIG. 2 at the same time, the central axle column 13 is disposed at a central position of the turbine frame 11 and includes an outer shaft 1 31 and an inner shaft 1 3 2 . The outer shaft 1 3 1 is a hollow tubular shape, and the outer annular surface of the top of the outer shaft 133 is coupled to the upper cover 1 1 1 of the turbine frame 1 1 and protrudes upwardly from the top surface of the turbine frame 1 1 by a predetermined distance. , The outer shaft 1 31 is rotated in accordance with the rotation of the turbine frame 11. The inner shaft 1 3 2 is also a hollow tubular shape, and is disposed in the inner space of the outer shaft 1 3 1 , and has a reserved space between the outer annular surface of the inner shaft 1 3 2 and the inner annular surface of the outer shaft 1 31 (See Fig. 3), the top of the inner shaft 1 32 is protruded upward from the top of the outer shaft 1 3 1 by a predetermined distance, and the inner shaft 1 32 is fixed and not rotated.

The invention comprises a fixed plate 2 1 , a transmission mechanism 2 2 and a generator 3 . The fixing plate 2 1 is an outer ring surface that is coupled to the top of the inner shaft 1 3 2 . The transmission mechanism 22 is disposed on the top surface of the turbine frame, and the transmission mechanism 2 2 includes a belt pulley 2 2 1 and a belt 2 2 2 which is disposed at the center of the top surface of the turbine frame 11 position. The generator 3 includes a housing 3 1 and a rotor shaft 32. The housing 31 is disposed at a selected position of the fixed plate 21, and the rotor shaft 32 has a pulley 3 2 1 and a rotor shaft 32. The pulley 3 2 1 is a belt 2 2 2 coupled to the transmission mechanism 2 2 , that is, the belt 2 2 2 is sleeved on the belt pulley 2 2 1 and the pulley 3 2 1 of the rotor shaft 32 of the generator 3. Therefore, the transmission mechanism 2 2 rotates with the rotation of the turbine frame 1 1 and drives the rotor shaft 32 to rotate to generate electric power, that is, when the turbo fan 1 rotates, the outer shaft 1 3 1 and the belt pulley 2 2 1 It will rotate together, the belt pulley 2 2 1 drives the belt 2 2 2 to rotate, and the belt 2 2 2 drives the rotor shaft 32 to rotate to cause the generator 3 to generate electric power.

Anyone familiar with the art can easily know that the fixed plate 21 can be a long plate or a circular plate, and the fixed plate 21 can be provided with more than two generators.

A cover 4 is disposed above the turbine frame 1 1 , and a lightning rod 5 is disposed at the top end of the cover 4. The cover 4 is covered by the transmission mechanism 2 2 and the generator 3, and the cover 4 includes a tapered cover body 4 1 and a ventilation frame 42. In this embodiment, the cover body 4 1 includes four shielding plates 4 1 1 , and each of the shielding plates 4 1 1 is disposed adjacent to each other, and is adjacent to each other with a central axis I at an oblique angle. The configuration forms a cone-shaped cover body 41. And between the adjacent side edges of each of the shielding plates 4 1 1 , a predetermined length of the fins 4 1 2 protrudes outwardly to increase the wind receiving area of the wind power generating device 100 .

The ventilation frame 4 2 is disposed on the top surface of the turbine frame 1 1 , and the cover body 4 1 is disposed on the ventilation frame 42 , and the transmission mechanism 2 2 and the generator 3 are located in the internal space of the ventilation frame 42. In the present embodiment, the wind power generator 100 includes four air deflectors 43 disposed at four corners of the ventilation frame 43 to increase the wind receiving area of the wind power generator 100. The wind deflector 4 3 guides the wind into the inner space of the ventilation frame 42, and then discharges the wind by the baffle 43 located on the leeward side, which can serve as a heat dissipation device for the device in the ventilation frame 42. Use.

The wind power generation device 1 QQ of the present invention includes a current voltage regulator 6 1 and a gear set 6 2 1 . The current-voltage regulator 61 is disposed on the fixed plate 21. The selected position on the fixed plate 2 1 is provided with a The belt elastic adjuster 6 3 1, the belt elastic adjuster 6 3 1 is coupled to the gear set 6 2 1, the gear set 6 2 1 is coupled with a rotating shaft 6 2 2 , and the rotating shaft 6 2 2 is coupled with a small pulley 6 2 3 . The belt 2 2 2 is a pulley 3 2 1 that is sleeved on the small pulley 6 2 3, the belt pulley 2 2 1 and the rotor shaft 32 of the generator 3.

As the use time increases, the belt 2 2 2 will be elastic fatigue and loose wear. At this time, the belt elastic adjuster 63 3 1 can automatically move the gear set 6 2 1 toward the outer edge of the fixed plate 2 1 . In this way, the small pulley 6 2 3 connected to the gear set 6 2 1 via the rotating shaft 6 2 2 also moves toward the outer edge of the fixed plate 2 1 to tighten the belt 2 2 2, so that the belt 2 2 2 can be played. Original features.

The generator 3 is connected to the current-voltage regulator 6 1 via a power lead set 3 3 a, 3 3 b and a regulating wire set 3 3 c, 3 3 d. The current-voltage regulator 6 1 is connected to the Electric wire group 6 1 1 , 6 1 2 .

Please also refer to FIG. 3, the power storage wire group 6 1 1 , 6 1 2 is inserted through the inner shaft 1 3 2 and connected to a power storage device 9. The electric power generated by the generator 3 is stored in the electric storage device 9 after being regulated by the current-voltage regulator 6 1 . The power stored in the power storage device 9 is applicable to various devices, devices or sites requiring power, such as radio stations, wireless base stations, street lamps, etc., so that the present invention becomes a power supply station for 10,000.

As shown in FIG. 3, the outer shaft 1 31 is a wind deflecting piece 1 1 3 projecting downwardly from the bottom of the turbine frame 11 to form a protruding structure 1 3 1, and the inner shaft 1 3 2 is downwardly convex. Extending from the protruding structure 1 3 1 to form a convex portion 1 3 2 ', that is, a plurality of air guiding sheets 1 1 3 formed at the bottom of the turbine frame 11 are outer shafts 13 bonded to the central shaft column. The protruding structure of 1 is 1 3 1, upper. The convex portion 1 3 2 of the inner shaft 1 3 2, the outer annular surface of the bottom end is combined with a fixed base 8, the fixed base 8, the protruding structure 1 3 1 of the outer shaft 1 31, and the convexity of the inner shaft 1 3 2 Between the outer annular faces of the extensions 1 3 2, there is a first axial bearing mechanism 7-1, and an outer annular surface of the convex portion 1 3 2 ' of the inner shaft 1 3 2 and a protruding structure of the outer shaft 1 3 1 Between the inner annular faces of 1 3 1 ' is provided a second axial bearing mechanism 7 2 a, and the second axial bearing mechanism 7 2 a is located adjacent to the first axial bearing mechanism 7 1 , the inner shaft 1 Between the outer annular surface of the top of the 3 2 and the inner annular surface of the top of the outer shaft 1 3 1 is provided with another second axial bearing mechanism 7 2 b. The first axial bearing mechanism 71 is used to buffer the gravity generated by the wind power generator 100 of the present invention in a first axial direction A, and the second axial bearing mechanism 7 2 a, 7 2 b is used to buffer the present The centrifugal force generated by the wind power generator 1000 in a second axial direction B is invented.

Referring to Figure 4, there is shown a second embodiment of the present invention. The structural design of the second embodiment of the present invention is substantially the same as that of the first embodiment described above, and the same components are denoted by the same component numbers. The difference is that the fixed base 8 a in the second embodiment of the present invention is larger than the fixed base 8 in the first embodiment, and the fixed base 8 a is disposed on a joint portion 81 of a bottom post 81. The generator 3, the current-voltage regulator 6 1 and the belt elastic adjuster 63 1 in the second embodiment of the present invention are respectively disposed on the fixed base 8 a, and the belt The disk 2 2 1 a is disposed at a central position of the bottom of the turbine frame 11 (i.e., at the bottom of the air guide fins 133). The belt spring adjuster 63 3 1 is similarly coupled to the gear set 6 2 1 . The gear set 6 2 1 is also coupled to the rotating shaft 6 2 2 , and the small shaft pulley 6 2 3 is also coupled to the rotating shaft 6 2 2 . A belt (not shown) is also sleeved on the small pulley 6 2 3, the belt pulley 2 2 1 a and the pulley 3 2 1 of the rotor shaft 32 of the generator 3. The storage wire group 6 1 1 , 6 1 2 connected to the current-voltage regulator 6 1 passes through a small hole opened in the bottom column 81 and is connected to the power storage device 9 through the internal space of the bottom column 8 1 . .

It is readily known to those skilled in the art that the shape of the blade 12 in the above embodiment is such that the present invention rotates in a clockwise direction when subjected to wind, and is suitable for use in the southern hemisphere. It is of course also possible to design the concave arc direction of the blade to be opposite to the blade 12 in the above embodiment, so that the present invention can be applied to the northern hemisphere in a counterclockwise direction when subjected to wind. As for the gear set 6 2 1 , it is used to solve the contradiction between the power linkages. The functional design can include clutch transmission, one-way transmission, variable speed, etc., and can also have the functions of acceleration, deceleration, protection, or braking. The application may vary depending on the needs of the present invention.

As can be seen from the above embodiments, the wind power generation device provided by the present invention has industrial use value, and the present invention has been in compliance with the conditions of the patent. However, the above description is only for the preferred embodiment of the present invention, and those skilled in the art can make other various improvements according to the above description, but these changes still belong to the inventive spirit and the scope of the claims. .

Claims

Claim

What is claimed is: 1 . A wind power generation device, comprising:

a turbofan, the turbofan including:

a turbine frame;

a transmission mechanism coupled to the turbine frame;

2. A wind power plant according to claim 1 wherein the blade is an upright blade.

A wind power generator according to claim 1, wherein the transmission mechanism is coupled to a top surface of the turbine frame.

The wind power generating apparatus according to claim 3, further comprising a cover disposed above the turbine frame and covering the transmission mechanism and the generator, the cover having a cover Ontology.

The wind power generating device according to claim 4, wherein the cover body comprises at least three shielding plates, each of which is disposed adjacent to each other and has an oblique centering on a central axis The angles are arranged adjacent to each other to form a cone-shaped cover body.

The wind power generating apparatus according to claim 5, wherein a predetermined length of the fin is protruded outwardly from adjacent side edges of each of the shielding plates to increase the receiving force of the wind power generating device. Wind area.

The wind power generating device according to claim 4, wherein the cover body comprises a ventilation frame, the ventilation frame is disposed on a top surface of the turbine frame, and the cover body is disposed on the ventilation frame, A transmission mechanism and the generator are located in an interior space of the venting frame.

The wind power generation device according to claim 7, further comprising a plurality of deflectors, Placed in the selected position of the venting frame.

The wind power generating apparatus according to claim 3, wherein the transmission mechanism comprises a belt pulley and a belt, the belt pulley is disposed at a central position of a top surface of the turbine frame, and the belt sleeve is disposed on the belt A belt pulley and a pulley of the rotor shaft of the generator.

A wind power generator according to claim 3, wherein the outer ring of the top of the inner shaft is provided with a fixing plate, and the generator is disposed at a selected position of the fixing plate.

1 . The wind power generator according to claim 10, wherein the transmission mechanism comprises a belt pulley and a belt, the belt pulley is disposed at a central position of a top surface of the turbine frame, and the fixing plate is further a belt tension adjuster is disposed, the belt elastic adjuster is coupled to a gear set, the gear set is coupled to a rotating shaft, the rotating shaft is coupled with a small pulley, and the belt of the transmission mechanism is sleeved on the small pulley, the belt of the transmission mechanism a disk and a pulley of the rotor shaft of the generator.

The wind power generating apparatus according to claim 1, further comprising a first axial bearing mechanism and two second axial bearing mechanisms, wherein the outer axial direction protrudes downward from the turbine Forming a protruding structure at the bottom of the frame, the inner axial direction projecting downwardly from the protruding structure to form a protruding portion, and the outer annular surface of the bottom end of the protruding portion of the inner shaft is coupled with a fixed base, the first axial direction a bearing mechanism is disposed between the fixed base, the protruding structure of the outer shaft and the outer annular surface of the protruding portion of the inner shaft, wherein a second axial bearing mechanism is an outer ring disposed on the protruding portion of the inner shaft An inner ring surface between the face and the inner annular surface of the protruding structure of the outer shaft and located adjacent to the first axial bearing mechanism, and another inner axial bearing mechanism disposed at the top of the outer shaft and the inner shaft Between the outer torus.

A wind power plant according to claim 1, wherein the transmission mechanism is coupled to the bottom of the turbine frame.

The wind power generator of claim 13, wherein the transmission mechanism comprises a belt pulley and a belt, the belt pulley is disposed at a central position of the bottom of the turbine frame, and the belt sleeve is disposed on the belt The belt pulley and a pulley of the rotor shaft of the generator.

A wind power plant according to claim 13 wherein the generator is disposed at a selected location of the fixed base.

The wind power generating apparatus according to claim 15, wherein the transmission mechanism comprises a belt pulley and a belt, and the belt pulley is disposed at a central position of a bottom of the turbine frame, and the fixed base is further disposed. a belt tension adjuster is coupled to a gear set, the gear set is coupled to a rotating shaft, the rotating shaft is coupled to a small pulley, and the belt of the transmission is sleeved on the small pulley, the belt pulley of the transmission mechanism, and The pulley of the rotor shaft of the generator.