CN216741814U

CN216741814U - Wind-driven generator

Info

Publication number: CN216741814U
Application number: CN202121804504.0U
Authority: CN
Inventors: 田健骏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-06-14
Anticipated expiration: 2031-08-04

Abstract

The utility model relates to the field of generators, in particular to a wind driven generator. The utility model provides a wind driven generator, includes blade, dwang, rocking arm and axis of rotation, the one end and the bottom surface of dwang are fixed, the other end of dwang is provided with the axis of rotation, be provided with a plurality of rocking arm along axis of rotation circumferencial direction align to grid in the axis of rotation, the one end of axis of rotation is kept away from at the rocking arm to the blade setting, form the contained angle with the rocking arm when the blade atress is balanced, the blade can swing on the rocking arm when receiving wind-force to promote. The condition that the utilization effect of the wind energy is poor by the fan blades in the related technology is improved.

Description

Wind-driven generator

Technical Field

The utility model relates to the field of generators, in particular to a wind driven generator.

Background

The wind power generator is an electric power device which converts wind energy into mechanical energy, drives a rotor to rotate by mechanical work and finally outputs alternating current. The wind power generator generally comprises a wind wheel, a generator, an empennage, a tower speed-limiting safety mechanism, an energy storage device and other components.

Chinese utility model patent with publication number CN101988472A discloses a wind driven generator, including generator, input shaft, fan blade and output shaft, the input shaft is connected with the fan blade, and the output shaft is connected with the generator, the fan blade passes through the gearbox and links to each other with the generator, and he is through changing the drive ratio between maple leaf and the generator to the realization is to the high-efficient conversion of wind energy.

According to the technical scheme, the inventor thinks that in the related technology, the fan blade is directly connected with the gearbox and the generator, and when the fan blade is subjected to wind power in different directions, the fan blade has poor utilization effect on wind energy.

SUMMERY OF THE UTILITY MODEL

In order to improve the condition that the utilization effect of wind energy is poor by the fan blades in the related technology, the application provides a wind driven generator.

The application provides a wind driven generator, adopts following technical scheme:

the utility model provides a wind driven generator, includes blade, dwang, rocking arm and axis of rotation, the one end and the bottom surface of dwang are fixed, the other end of dwang is provided with the axis of rotation, be provided with a plurality of rocking arm along axis of rotation circumferencial direction align to grid in the axis of rotation, the one end of axis of rotation is kept away from at the rocking arm to the blade setting, form the contained angle with the rocking arm when the blade atress is balanced, the blade can swing on the rocking arm when receiving wind-force to promote.

Optionally, be provided with the pivot on the blade, the pivot divide into counter weight portion and dead weight portion with the blade, when balanced with counter weight portion and dead weight portion atress, the blade forms the contained angle with the rocking arm.

Optionally, the rotating shaft is a fixed angle shaft, and the fixed angle shaft can only rotate at a set angle.

Optionally, the tumbler is provided with a blade seat, the blade seat is provided with a limiting rod, the blade seat is arranged at one end of the tumbler far away from the rotating shaft, and the limiting rod is used for preventing the blade from excessively swinging when in use.

Optionally, the angle between the blade and the rotating arm is 30-60 °.

Optionally, the included angle between the blade and the rotating arm is 45 °.

Optionally, the blade is a small blade, and the rotating arm is a round rod-shaped rotating arm.

Optionally, the rotating arm is a telescopic rotating arm.

Optionally, when the blade is a large blade, the end of the rotating arm far away from the rotating shaft is provided with a non-telescopic rope, and the end of the non-telescopic rope far away from the rotating arm is connected with the top end of the rotating rod.

Optionally, the rotating shaft is wrapped on the rotating rod in a cylindrical shape.

Optionally, the rotating shaft adopts a central shaft.

By adopting the technical scheme, the blades and the rotating shaft are arranged, the blades are connected with the wind driven generator, the rotating shaft can enable the blades to form an included angle with a rotating arm of the wind driven generator when the stress of the blades is balanced in a natural state, when wind blows to the blades, the included angle can be changed according to the size of the wind, and then another stress balance point is reached, the effective contact area of the blades and the wind can be increased, so that the natural wind can be better converted into wind energy which can be utilized, and further the wind energy is converted into mechanical energy to drive the wind driven generator to generate electricity, when the natural wind in the opposite direction is generated, the blades rotate towards the wind blowing direction through the rotating shaft, so that the included angle is changed, the effective contact area of the blades and the wind is reduced, and further the wind resistance is effectively reduced and improved in the related technology, and the condition that the wind energy utilization effect of the blades is poorer is realized.

Drawings

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 discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.

Fig. 1 is a perspective view of a second embodiment.

Fig. 2 is a front view of the third embodiment.

Fig. 3 is an enlarged schematic view of a in fig. 2.

Fig. 4 is a perspective view of the third embodiment.

In the figure: 1. a blade; 2. rotating the rod; 3. a rotating arm; 4. a rotating shaft; 5. a blade seat; 6. a rotating shaft; 11. a counterweight portion; 12. a self-weight part; 7. a weight; 8. a limiting rod.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood 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 any creative effort, are within the protection scope of the present invention.

Embodiments of the present invention provide a wind power generator.

Example one

Referring to fig. 1 and 2, a wind driven generator, including blade 1, dwang 2, rocking arm 3 and axis of rotation 4, the one end and the ground of dwang 2 are fixed, the other end of dwang 2 is provided with the generator, the one end that dwang 2 is provided with the generator is provided with axis of rotation 4, axis of rotation 4 is the cylinder form parcel on dwang 2, axis of rotation 4 can adopt the center pin, be fixed with rocking arm 3 of 4 circumferencial direction align to grid of a plurality of edge axis of rotation on axis of rotation 4, rocking arm 3 extends towards the direction of keeping away from axis of rotation 4. The vane 1 is movably connected with one end of the rotating arm 3 far away from the rotating shaft 4.

Referring to fig. 3, a blade seat 5 is arranged at one end of the rotating arm 3 away from the rotating shaft 4, the blade seat 5 is close to the blade 1, and a limiting rod 8 is arranged on the blade seat 5, the limiting rod 8 is used for preventing the blade 1 from coinciding with the rotating arm 3 when rotating, and preventing the blade 1 from excessively swinging when in use. The rotating arm 3 can adopt a telescopic rotating arm 3.

The blade 1 is provided with a rotating shaft 6, the blade 1 is movably connected with the rotating arm 3 through the rotating shaft 6, the rotating shaft 6 can adopt a fixed angle shaft, and the fixed angle shaft can only rotate at a set angle. The rotating shaft 6 divides the blade 1 into a counterweight part 11 and a self-weight part 12, the counterweight part 11 is provided with a heavy object 7, and when the counterweight part 11 and the self-weight part 12 are stressed and balanced, the blade 1 forms an included angle with the rotating arm 3. The angle between the blade 1 and the arm 3 can be chosen to be 30 to 60. The most preferred angle between the blade 1 and the arm 3 is 45.

Example two

Referring to fig. 1 and 3, a wind driven generator, including blade 1, dwang 2, rocking arm 3 and axis of rotation 4, the one end and the ground of dwang 2 are fixed, the other end of dwang 2 is provided with the generator, the one end that dwang 2 is provided with the generator is provided with axis of rotation 4, axis of rotation 4 is the cylinder form parcel on dwang 2, axis of rotation 4 can adopt the center pin, be fixed with rocking arm 3 of 4 circumferencial direction align to grid of a plurality of edge axis of rotation on axis of rotation 4, rocking arm 3 extends towards the direction of keeping away from axis of rotation 4. The vane 1 is movably connected with one end of the rotating arm 3 far away from the rotating shaft 4.

The vanes 1 are small vanes, and the rotating arm 3 can be a round rod type rotating arm.

EXAMPLE III

Referring to fig. 2 and 3, a wind driven generator, including blade 1, dwang 2, rocking arm 3 and axis of rotation 4, the one end and the ground of dwang 2 are fixed, the other end of dwang 2 is provided with the generator, the one end that dwang 2 is provided with the generator is provided with axis of rotation 4, axis of rotation 4 is the cylinder form parcel on dwang 2, axis of rotation 4 can adopt the center pin, be fixed with rocking arm 3 of 4 circumferencial direction align to grid of a plurality of edge axis of rotation on axis of rotation 4, rocking arm 3 extends towards the direction of keeping away from axis of rotation 4. The vane 1 is movably connected with one end of the rotating arm 3 far away from the rotating shaft 4.

One end of the rotating arm 3, which is far away from the rotating shaft 4, is provided with a blade seat 5, the blade seat 5 is close to the blade 1, a limiting rod 8 is arranged on the blade seat 5, the limiting rod 8 is used for placing the blade 1 to coincide with the rotating arm 3 when the blade 1 rotates, and the blade 1 is prevented from excessively swinging when the blade 1 is used.

Referring to fig. 4, the blade 1 is a large blade 1, one end of the rotating arm 3 far away from the rotating shaft 4 is provided with a non-telescopic rope, and one end of the non-telescopic rope far away from the rotating arm 3 is connected with the top end of the rotating rod 2.

Referring to fig. 2 and 3, a rotating shaft 6 is arranged on the vane 1, the vane 1 is movably connected with the rotating arm 3 through the rotating shaft 6, the rotating shaft 6 can adopt a fixed angle shaft, and the fixed angle shaft can only rotate at a set angle. The rotating shaft 6 divides the blade 1 into a counterweight part 11 and a self-weight part 12, the counterweight part 11 is provided with a heavy object 7, and when the counterweight part 11 and the self-weight part 12 are stressed and balanced, the blade 1 forms an included angle with the rotating arm 3. The angle between the blade 1 and the arm 3 can be chosen to be 30 to 60. The most preferred angle between the blade 1 and the arm 3 is 45.

The setting of pivot 6, can make blade 1 swing on rocking arm 3 when receiving wind-force promotion, blade 1 can be according to the size of wind-force, change the size of contained angle, and then reach another stress balance point, can increase the effective area of contact of fan blade and wind, thereby make the better wind energy that turns into that can be utilized of natural wind, and then turn into mechanical energy by wind energy and drive wind generator electricity generation, when producing the natural wind of opposite direction, the fan blade rotates towards the direction that the wind blows through the axis of rotation, thereby change the size of contained angle, make the effective area of contact of blade 1 and wind reduce, and then effectively reduce the windage, in having improved the correlation technique, the relatively poor condition of the effect of utilization of fan blade to wind energy. Meanwhile, the rotating shaft 6 adopts a fixed angle shaft, the size of an included angle between the blade 1 and the rotating arm 3 can be controlled within a range through the arrangement of the fixed angle shaft, the blade 1 can work within the angle range with the best effect, and the limiting rod 8 on the blade seat 5 reinforces the fixed angle shaft, so that the situation that the natural wind force is too large and the blade 1 excessively rotates on the rotating shaft 6 to cause the rotating shaft 6 to be damaged or influence the electricity generating effect of the wind driven generator can be prevented.

Claims

1. The utility model provides a wind driven generator, includes blade (1), dwang (2), rocking arm (3) and axis of rotation (4), the one end and the bottom surface of dwang (2) are fixed, the other end of dwang (2) is provided with axis of rotation (4), be provided with rocking arm (3) of a plurality of along axis of rotation (4) circumferencial direction align to grid on axis of rotation (4), the one end of axis of rotation (4), its characterized in that are kept away from in rocking arm (3) in blade (1) setting: the blade (1) forms an included angle with the rotating arm (3) when being stressed in balance, and the blade (1) can swing on the rotating arm (3) when being pushed by wind power.

2. A wind power generator according to claim 1, wherein: be provided with pivot (6) on blade (1), pivot (6) divide into counter weight portion (11) and dead weight portion (12) with blade (1), when counter weight portion (11) and dead weight portion (12) force balance, blade (1) and rocking arm (3) form the contained angle.

3. A wind power generator according to claim 2, wherein: the rotating shaft (6) adopts a fixed angle shaft which can only rotate at a set angle.

4. A wind power generator according to claim 2, wherein: be provided with leaf seat (5) on rocking arm (3), be provided with gag lever post (8) on leaf seat (5), the one end of axis of rotation (4) is kept away from in rocking arm (3) is established in leaf seat (5), gag lever post (8) are used for preventing blade (1) excessive swing when using.

5. A wind power generator according to claim 1, wherein: the included angle between the blade (1) and the rotating arm (3) is 45 degrees.

6. A wind power generator according to claim 1, wherein: the blade (1) is a small blade (1), and the rotating arm (3) is a round rod-shaped rotating arm (3).

7. A wind power generator according to claim 1, wherein: the rotating arm (3) is a telescopic rotating arm (3).

8. A wind power generator according to claim 1, wherein: when blade (1) is large-scale blade (1), the one end that axis of rotation (4) was kept away from in rocking arm (3) is provided with no flexible rope, the one end of the long rocking arm of no flexible rope (3) is connected with the top of dwang (2).

9. A wind power generator according to claim 1, wherein: the rotating shaft (4) is wrapped on the rotating rod (2) in a cylindrical shape.

10. A wind power generator according to claim 1, wherein: the rotating shaft (4) adopts a central shaft.