CN212272443U

CN212272443U - Wind wheel and vertical axis wind driven generator comprising same

Info

Publication number: CN212272443U
Application number: CN202021005284.0U
Authority: CN
Inventors: 靳全伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-01-01
Anticipated expiration: 2030-06-04

Abstract

The utility model relates to a wind wheel reaches vertical axis aerogenerator including it, the wind wheel includes along the pivot that upper and lower direction extends and centers on a plurality of blades that the pivot distributes, each blade is in cross sectional shape on the radial plane of pivot is bad arcuation, the upper and lower both ends department that the pivot is located each blade all is equipped with the radius and is not less than the radius of rotation's of each blade plectane, two plectanes correspond from top to bottom and all with the pivot is coaxial, and the upper and lower both ends of each blade are equallyd divide do not be connected with the plectane that corresponds to the space that two adjacent blades and two plectanes enclose constitutes the accommodation space that is used for preventing the gas flow from loosing. The utility model discloses the moment of torsion of blade is bigger under equal wind-force, has improved the conversion rate of gaseous energy, is applicable to each field that needs wind power generation.

Description

Wind wheel and vertical axis wind driven generator comprising same

Technical Field

The utility model relates to a aerogenerator wind wheel technical field especially relates to a wind wheel and including its vertical axis aerogenerator.

Background

The rapid development of science and technology brings about the increasing shortage of energy sources, the distribution of the energy sources is not balanced, most of the energy sources are in a dispersed state which can not be directly utilized, such as wind energy and solar energy, therefore, the collection and conversion of the dispersed energy sources to obtain controllable energy sources is the direction of obtaining energy sources in the modern energy source industry, in the current energy source structure, electric energy is one of main energy sources, and various ways of obtaining the electric energy by human beings, such as wind power generation, hydroelectric power generation, fuel power generation and the like, wherein the wind power generation is popularized and developed due to the characteristics of cleanness and wide distribution.

In wind power generation, main energy conversion equipment is a wind driven generator, the wind driven generator mainly comprises a generator and a wind wheel in driving connection with the generator, the wind wheel is also called an impeller, the wind driven generator is divided into a horizontal shaft and a vertical shaft according to the corresponding relation between a rotating shaft of the wind wheel and the wind direction, wherein the wind wheel of the vertical shaft wind driven generator can receive incoming wind in a radial plane range in an all-round manner, and the vertical shaft wind driven generator is excellent in other convenience and becomes a main development direction of the wind driven generator.

Chinese patent document No. CN205654487U discloses a novel vertical axis symmetric wind turbine blade and impeller, the impeller mainly includes a base, a vertical axis, blades, an upper chuck and a lower chuck, the blade airfoil is of a circular arc concave-convex simple configuration, 4 blades are symmetrically installed on the vertical axis along the circumferential direction to be double S-shaped, both ends of the blades are simultaneously clamped in the clamping grooves of the upper and lower chucks, and the concave surfaces of the blades are installed facing the vertical axis. Although the technical scheme can receive incoming wind from all directions, the wind is easy to run off from the gap between the upper chuck and the lower chuck, so that the wind energy utilization rate cannot be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wind wheel to solve prior art and lead to the problem that wind energy utilization ratio can not further improve because of wind runs off easily. The vertical axis wind turbine comprising the wind wheel is also provided.

The utility model discloses a wind wheel adopts following technical scheme:

the utility model provides a wind wheel for the rotation under the blowing of gas, include along the pivot that extends of upper and lower direction and center on a plurality of blades that the pivot distributes, each blade is in cross sectional shape on the radial plane of pivot is bad arcuation, the pivot is located the upper and lower both ends department of each blade and all is equipped with the radius and is not less than the radius of rotation's of each blade plectane, two plectanes correspond from top to bottom and all with the pivot is coaxial, and the upper and lower both ends of each blade are equallyd divide and are connected with the plectane that corresponds respectively to the space that two adjacent blades and two plectanes enclose constitutes the accommodation space that is used for preventing the gas.

All be equipped with between two adjacent blades and be close to the pivot, the backup pad of rectangle, the upper and lower both ends of backup pad all are connected with the disc that corresponds, and other both ends are connected with the side of two blades that correspond respectively.

In two adjacent blades, the corresponding support plate is tangent to the blade providing the convex side.

And one end of each blade connected with the rotating shaft is tangent to the periphery of the rotating shaft.

And a counterweight strip extending along the up-down direction is arranged on the concave side surface of one end of each blade far away from the rotating shaft.

The utility model discloses a vertical axis aerogenerator adopts following technical scheme:

the utility model provides a vertical axis aerogenerator, including the generator and with the wind wheel that the generator drive is connected, the wind wheel includes along the pivot that the upper and lower direction extends and centers on a plurality of blades that the pivot distributes, each blade is in cross sectional shape on the radial plane of pivot is the inferior arcuation, the pivot is located the upper and lower both ends department of each blade and all is equipped with the radius and is not less than the radius of rotation's of each blade plectane, two plectanes correspond from top to bottom and all with the pivot is coaxial, and the upper and lower both ends of each blade are equallyd divide respectively with the plectane that corresponds and are connected to the space that two adjacent blades and two plectanes enclose constitutes the accommodation space.

The utility model has the advantages that: 1. the utility model discloses the plectane has all been set up at the upper and lower both ends of blade to the space that two adjacent blades and two plectanes enclose has constituted the accommodation space that can prevent that gas from flowing away to the upper and lower both ends of blade, and consequently gaseous difficult loss after getting into accommodation space produces "pocket wind" effect, just also makes gaseous promotion blade that can the at utmost do work, and the moment of torsion of blade is bigger under the equal wind-force, has improved the conversion rate of gaseous energy.

2. The utility model discloses flow velocity, the flow direction requirement to gas are lower, and the structure is more firm, and adaptive capacity to environment is stronger, need not to wind adjustment, and weak wind can effectively do work, and strong wind also can keep stable in structure, is applicable to each field that needs wind power generation.

Drawings

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

Fig. 1 is a front view of a wind wheel according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a top view corresponding to FIG. 1 (the upper circular plate is not shown);

in the figure: 1. the device comprises a rotating shaft, 2, a lower circular plate, 3, an upper circular plate, 4, blades, 5, a supporting plate, 6 and a counterweight strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses an embodiment of a wind wheel, as shown in fig. 1 to fig. 2, a wind wheel, a be used for blowing at gas rotatory down, include pivot 1 that extends along upper and lower direction and around four blades 4 of 1 distribution of pivot, the cross sectional shape of each blade 4 on the radial plane of pivot 1 is inferior arcuation, pivot 1 is located the upper and lower both ends department of each blade 4 and all is equipped with the radius and equals the radius of rotation's of each blade 4 plectane, upward plectane 3 and lower plectane 2 promptly, two plectanes correspond from top to bottom and all are coaxial with pivot 1, the plectane that do not correspond is equallyd divide at the upper and lower both ends of each blade 4, thereby the space that two adjacent blades 4 and two plectanes enclose constitutes the accommodation space that is used for preventing the gas flow.

In order to guide the gas flow, the gas turbulence at the joint of the blades 4 and the rotating shaft 1 is weakened to reduce the gas energy loss, the structural strength of the blades 4 is enhanced, rectangular supporting plates 5 close to the rotating shaft 1 are arranged between every two adjacent blades 4, the upper end and the lower end of each supporting plate 5 are connected with corresponding discs, and the other two ends of each supporting plate are respectively connected with the side faces of the corresponding two blades 4.

Optimally, in two adjacent blades 4, the corresponding support plate 5 is tangent to the blade 4 providing the convex side, so that the gas turbulence at the joint of the support plate 5 and the blade 4 is weakened, and the energy loss of the gas is further reduced.

In this embodiment, the end of each blade 4 connected to the rotating shaft 1 is tangent to the periphery of the rotating shaft 1, so as to avoid inconvenient installation due to interference between the supporting plate 5 and the rotating shaft 1, and avoid reduction of the effective volume of the accommodating space due to too large width of the supporting plate 5 between the two blades 4.

In order to improve the rotation inertia force of the wind wheel, weaken the influence of wind condition change on the rotation speed and improve the rotation stability of the wind wheel, a counterweight strip 6 extending along the up-down direction is arranged on the concave side surface of one end of each blade 4 far away from the rotating shaft 1, and the counterweight strip 6 is in a semi-cylindrical shape.

In other embodiments, the blades may be plural in other numbers; the radius of each circular plate can be larger than the rotating radius of each blade, and the radii of the two circular plates can be different; when the supporting plate does not interfere with the rotating shaft, one end of each blade connected with the rotating shaft can also not be tangent to the periphery of the rotating shaft, and at the moment, the width of the supporting plate between the two blades is larger, and the volume of the accommodating space is smaller; the number of the counterweight strips on each blade can be two or more, and the counterweight strips can be cuboid, a combination of the cuboid and a cylinder, or hemispheres distributed at intervals up and down, and the like.

The utility model discloses the plectane has all been set up at the upper and lower both ends of blade 4 to the space that two adjacent blades 4 and two plectanes enclose has constituted the accommodation space that can prevent gas to the upper and lower both ends of blade 4 from wandering, and consequently gaseous difficult loss after getting into accommodation space produces "pocket wind" effect, just also makes gaseous can the at utmost promote blade 4 do work, and blade 4's moment of torsion is bigger under the equal wind-force, has improved the conversion rate of gaseous energy, and the utility model discloses flow velocity to gas, the flow direction requirement is lower, and the structure is more firm, and environmental suitability is stronger, need not to adjust to wind, and the weak wind can effectively do work, and strong wind also can keep stable in structure, is applicable to each field that needs wind power generation.

A vertical axis wind turbine comprises a generator and a wind wheel in driving connection with the generator, wherein the wind wheel is the wind wheel, so that the description is omitted.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. A wind wheel, which is used for rotating under the blowing of gas, comprises a rotating shaft extending along the up-and-down direction and a plurality of blades distributed around the rotating shaft, and is characterized in that: each blade is in the section shape on the radial plane of pivot is the inferior arcuation, the pivot is located the upper and lower both ends department of each blade and all is equipped with the radius and is not less than the radius of rotation's of each blade plectane, two plectanes correspond from top to bottom and all with the pivot is coaxial, and the upper and lower both ends of each blade are equallyd divide and are connected with the plectane that corresponds respectively to the space that two adjacent blades and two plectanes enclose constitutes the accommodation space that is used for preventing the gas flow from loosing.

2. A wind rotor according to claim 1, wherein: all be equipped with between two adjacent blades and be close to the pivot, the backup pad of rectangle, the upper and lower both ends of backup pad all are connected with the disc that corresponds, and other both ends are connected with the side of two blades that correspond respectively.

3. A wind rotor according to claim 2, wherein: in two adjacent blades, the corresponding support plate is tangent to the blade providing the convex side.

4. A wind rotor according to claim 1, wherein: and one end of each blade connected with the rotating shaft is tangent to the periphery of the rotating shaft.

5. A wind rotor according to any of claims 1-4, characterized in that: and a counterweight strip extending along the up-down direction is arranged on the concave side surface of one end of each blade far away from the rotating shaft.

6. A vertical axis wind turbine, includes generator and with the wind wheel of generator drive connection, the wind wheel includes along the pivot of upper and lower direction extension and around a plurality of blades of pivot distribution, its characterized in that: each blade is in the section shape on the radial plane of pivot is the inferior arcuation, the pivot is located the upper and lower both ends department of each blade and all is equipped with the radius and is not less than the radius of rotation's of each blade plectane, two plectanes correspond from top to bottom and all with the pivot is coaxial, and the upper and lower both ends of each blade are equallyd divide and are connected with the plectane that corresponds respectively to the space that two adjacent blades and two plectanes enclose constitutes the accommodation space that is used for preventing the gas flow from loosing.

7. A vertical axis wind turbine as claimed in claim 6, wherein: all be equipped with between two adjacent blades and be close to the pivot, the backup pad of rectangle, the upper and lower both ends of backup pad all are connected with the disc that corresponds, and other both ends are connected with the side of two blades that correspond respectively.

8. A vertical axis wind turbine as claimed in claim 7, wherein: in two adjacent blades, the corresponding support plate is tangent to the blade providing the convex side.

9. A vertical axis wind turbine as claimed in claim 6, wherein: and one end of each blade connected with the rotating shaft is tangent to the periphery of the rotating shaft.

10. A vertical axis wind turbine according to any one of claims 6 to 9, wherein: and a counterweight strip extending along the up-down direction is arranged on the concave side surface of one end of each blade far away from the rotating shaft.