CN214464661U

CN214464661U - Independent impeller device of multi-layer asymmetric vertical axis wind turbine

Info

Publication number: CN214464661U
Application number: CN202120569770.3U
Authority: CN
Inventors: 蔡志加; 蔡秀仪
Original assignee: Jiangsu Dekema Electric Co ltd
Current assignee: Jiangsu Dekema Electric Co ltd
Priority date: 2021-03-20
Filing date: 2021-03-20
Publication date: 2021-10-22
Anticipated expiration: 2031-03-20

Abstract

The utility model belongs to the technical field of wind driven generators, and discloses a multi-level asymmetric vertical axis wind driven generator independent impeller device, which comprises a wind driven generator, wherein a large flange and a small flange are connected on a main shaft of the wind driven generator, the large flange and the small flange are connected with a plurality of brackets, the brackets are all connected with a fan blade frame, the fan blade frame is provided with a plurality of supporting beams, a connecting rod is integrally connected between every two adjacent fan blade frames, fixed supporting beams are fixedly connected on the fan blade frame and the supporting beams, the fixed supporting beams are fixedly connected with fan blades, the fan blades comprise bottom plates fixedly connected with the fixed supporting beams, the bottom plates are in a wing shape, the bottom plates are connected with arc-shaped plates, reinforcing supporting plates are connected between the bottom plates and the arc-shaped plates, the bottom plates and two ends of the arc-shaped plates are fixedly connected with wing walls, and the fan blades have two layers, the high-low layers of the fan blades are fixed on the fixed supporting beam in a staggered manner.

Description

Independent impeller device of multi-layer asymmetric vertical axis wind turbine

Technical Field

The utility model belongs to the technical field of aerogenerator, concretely relates to independent impeller device of multi-level asymmetric vertical axis aerogenerator.

Background

With the development and progress of science and technology, the requirements of people for things are changed from old thinking that people can use things as things to be quite fine and smooth, and only with the continuous progress or innovation conception, a new form is generated to improve the added value of the product, so that people can live under the test of intense market competition. The wind power generator is a device for converting wind energy into electric energy, mainly comprising blades, a generator, mechanical parts and electrical parts, and is mainly divided into a horizontal axis wind power generator and a vertical axis wind power generator according to different rotating shafts, and the vertical axis wind power generator is divided into a resistance type wind power generator and a lift type wind power generator. Especially for larger wind turbines, it is difficult to adopt such a structure because of the limitation of deflection and safety limit stress. The lift type uses the lift generated by the air flowing through the blades as a driving force. In the lift type vertical axis wind turbine, the efficiency is much higher than that of the drag type vertical axis wind turbine and the wind energy utilization coefficient is the highest because the resistance is sharply reduced and the lift is increased as the rotation speed of the blades is increased during the rotation, but the lift type vertical axis wind turbine is difficult to start up when the lift type vertical axis wind turbine starts to operate and is poor in the operation performance particularly when the wind speed is low.

SUMMERY OF THE UTILITY MODEL

To the problem that the above-mentioned background art provided, the utility model aims at: aims to provide a multilayer independent impeller device of an asymmetric vertical axis wind turbine.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

an independent impeller device of a multilayer asymmetric vertical axis wind turbine comprises a wind turbine, the main shaft of the wind driven generator is connected with a large flange and a small flange which are connected with a plurality of brackets together, the brackets are connected with a wind blade frame, the fan blade frames are provided with a plurality of supporting beams, connecting rods are integrally connected between every two adjacent fan blade frames, the fan blade frame and the supporting beam are both fixedly connected with a fixed supporting beam which is fixedly connected with a fan blade, the fan blade comprises a bottom plate fixedly connected with the fixed supporting beam, the bottom plate is in a wing shape and is connected with an arc-shaped plate, the fan blade is characterized in that a reinforcing support plate is connected between the bottom plate and the arc-shaped plate, wing walls are fixedly connected to the two ends of the bottom plate and the two ends of the arc-shaped plate, and the fan blades are arranged in a high-low two-layer mode and are fixed on the fixed supporting beam in a staggered mode.

Further inject, be connected with the dead lever between big flange and the small flange, such design when guaranteeing horizontal synchronization between big flange and the small flange, makes between big flange and the small flange borrow power each other, guarantees rotatory effect.

Further inject, the support is including short bracing piece and the first bearing diagonal pole that is fixed in the big flange upside, the support is still including long bracing piece and the second bearing diagonal pole that is fixed in big flange downside, the support is still including being fixed in the third bearing diagonal pole on the small flange, short bracing piece, first bearing diagonal pole, long bracing piece, second bearing diagonal pole and third bearing diagonal pole all are connected with the fan blade frame, and such design strengthens the supporting effect, guarantees load effect, increase of service life.

Further inject, be connected with the auxiliary stay pole between short bracing piece and the long bracing piece, support effect is strengthened to such design.

Further, the two opposite wing walls have inward inclined slopes, and the slopes are not more than ten degrees.

Further inject, bottom plate and arc integrated into one piece, such design, structural integration makes the atress effectual, guarantees life.

Further, the bottom plate is connected with the fixed support beam through screws, and due to the design, the bottom plate is convenient to detach and replace.

Further inject, strengthen the extension board and weld on bottom plate and arc, such design, the atress is effectual, is difficult not hard up to rock.

Further, the fan blade of one layer has at least six fans, and the design ensures the wind receiving effect.

Further limiting, the mounting positions of the two layers of fan blades are not longitudinally positioned on the same horizontal plane, and the design increases the wind area.

Adopt the beneficial effects of the utility model:

1. when the structure of the utility model is used for operation, wind can impact the inner wall of the arc-shaped plate to generate larger rotating torque, namely resistance type, so that the wind driven generator is easy to start and can operate at a very small wind speed, therefore, the breeze starting performance is good;

2. when the structure of the utility model is adopted to rotate for half a circle, the back side of the arc plate can be converted into a windward side, namely into a lift type, and the larger the wind, the better the flowing performance and the faster the rotation;

3. the utility model discloses the integrative design of mixture of resistance type and lift type for the high-usage of wind has improved the generating efficiency.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural diagram of an embodiment of an independent impeller device of a multi-level asymmetric vertical axis wind turbine according to the present invention;

fig. 2 is a schematic top view of an embodiment of an independent impeller device of a multi-level asymmetric vertical axis wind turbine according to the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of an embodiment of an independent impeller device of a multi-level asymmetric vertical axis wind turbine according to the present invention;

the main element symbols are as follows:

the wind driven generator comprises a wind driven generator 1, a large flange 2, a fixed rod 201, a small flange 3, a support 4, a short support rod 401, a first inclined support rod 402, a long support rod 403, a second inclined support rod 404, a third inclined support rod 405, an auxiliary support rod 406, a fan blade frame 5, a support beam 6, a connecting rod 7, a fixed support beam 8, a fan blade 9, a bottom plate 91, an arc-shaped plate 92, a reinforcing support plate 93 and a wing wall 94.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in figures 1, 2 and 3, the multi-layer asymmetric vertical axis wind turbine independent impeller device of the present invention comprises a wind turbine 1, a large flange 2 and a small flange 3 are connected to a main shaft of the wind turbine 1, the large flange 2 and the small flange 3 are connected to a plurality of supports 4, the plurality of supports 4 are connected to a plurality of blade frames 5, each blade frame 5 is provided with a plurality of support beams 6, a connecting rod 7 is integrally connected between two adjacent blade frames 5, the blade frames 5 and the support beams 6 are fixedly connected to a fixed support beam 8, the fixed support beam 8 is fixedly connected to a blade 9, the blade 9 comprises a bottom plate 91 fixedly connected to the fixed support beam 8, the bottom plate 91 is in a wing shape, the bottom plate 91 is connected to an arc plate 92, a reinforcing support plate 93 is connected between the bottom plate 91 and the arc plate 92, two ends of the bottom plate 91 and the arc plate 92 are fixedly connected to a wing wall 94, the blade 9 has two layers, the high-low two-layer fan blades 9 are fixed on the fixed supporting beam 8 in a staggered manner.

In the embodiment, when the independent impeller device of the multilayer asymmetric vertical axis wind driven generator is used, the fan blades 9 are installed on the fixed supporting beam 8 in a staggered mode, multiple layers are preferably installed, and the fan blades on each layer are not longitudinally located on the same horizontal plane, so that the wind area can be increased, the wind utilization rate is improved, the power generation efficiency is improved, when the fan blades 9 are subjected to wind, the force applied to the fan blade frame 5 is supported by the connecting rod 7 and the fixed supporting beam 8 in a matched mode, the fact that the fan blade frame 5 is stressed and does not incline is guaranteed, and the service life is guaranteed; in the use process, the arc-shaped plate 92 is arranged to generate larger rotating torque when wind impacts the inner wall of the arc-shaped plate 92 or the bottom plate 91, the wing wall 94 is arranged to guide the flow direction of the wind, so that the wind driven generator is easy to start, and can be operated at a very small wind speed, therefore, the breeze starting performance is good, when the arc-shaped plate 92 is stressed to rotate for a half circle, namely, the back side of the arc-shaped plate 92 faces the wind, the breeze is converted into a lifting force type, the larger the wind is, the better the flowing performance is, the faster the wind is, and the power generation efficiency is improved.

The fixing rod 201 is connected between the optimized large flange 2 and the small flange 3, and due to the design, when the large flange 2 and the small flange 3 are ensured to be in horizontal synchronization, the large flange 2 and the small flange 3 are mutually assisted by force, the rotating effect is ensured, and in fact, the measures for ensuring the rotation stability of the large flange 2 and the small flange 3 can also be considered according to specific conditions.

Preferably, support 4 is including being fixed in short bracing piece 401 and the first bearing diagonal pole 402 of big flange 2 upside, support 4 is still including being fixed in long bracing piece 403 and the second bearing diagonal pole 404 of big flange 2 downside, support 4 is still including being fixed in the third bearing diagonal pole 405 on little flange 3, short bracing piece 401, first bearing diagonal pole 402, long bracing piece 403, second bearing diagonal pole 404 and third bearing diagonal pole 405 all are connected with fan blade frame 5, such design, strengthen the supporting effect, guarantee the load effect, increase of service life, in fact, also can consider support 4's structural design according to particular case.

An auxiliary support rod 406 is preferably connected between the short support rod 401 and the long support rod 403, so that the support effect is enhanced, and actually, the auxiliary support method can be considered according to specific situations.

Preferably, the opposing wing walls 94 have an inward slope of no more than ten degrees, which provides some guidance to the airflow to better impinge on the arc 92, and in fact, the slope may be considered as appropriate.

The bottom plate 91 and the arc-shaped plate 92 are preferably integrally formed, the stress effect is good due to the design and the structure integration, the service life is ensured, and actually, the forming method of the bottom plate 91 and the arc-shaped plate 92 can be considered according to specific conditions.

Preferably, the bottom plate 91 is screwed to the fixed support beam 8, so that the bottom plate can be easily detached and replaced, and the screw connection mode can also use auxiliary workpieces such as gaskets to adjust the installation inclination of the bottom plate 91 on the fixed support beam 8, and actually, the connection mode of the bottom plate 91 and the fixed support beam 8 can also be considered according to specific situations.

Preferably strengthen the extension board 93 and weld on bottom plate 91 and arc 92, such design, the atress is effectual, and difficult not hard up rocks, and in fact, also can consider the fixed mode of strengthening extension board 93 according to particular case.

Preferably, at least six fan blades 9 are arranged on one layer, so that the wind receiving effect is ensured, and actually, the number of the fan blades 9 can be considered according to specific conditions.

Preferably, the mounting positions of the two layers of fan blades 9 are not longitudinally positioned on the same horizontal plane, and by adopting the design, the wind area is increased, and in fact, the mounting positions of the fan blades 9 can be considered according to specific conditions.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a multilayer asymmetric vertical axis aerogenerator independent impeller device, includes aerogenerator (1), its characterized in that: the wind driven generator is characterized in that a large flange (2) and a small flange (3) are connected to a main shaft of the wind driven generator (1), the large flange (2) and the small flange (3) are connected with a plurality of supports (4) in a whole, a plurality of fan blade frames (5) are connected to the supports (4), the fan blade frames (5) are provided with a plurality of supporting beams (6), a connecting rod (7) is integrally connected between every two adjacent fan blade frames (5), fixed supporting beams (8) are fixedly connected to the fan blade frames (5) and the supporting beams (6), fan blades (9) are fixedly connected to the fixed supporting beams (8), each fan blade (9) comprises a bottom plate (91) fixedly connected with the fixed supporting beams (8), each bottom plate (91) is in a wing shape, each bottom plate (91) is connected with an arc-shaped plate (92), a reinforcing supporting plate (93) is connected between each bottom plate (91) and each arc-shaped plate (92), and wing walls (94) are fixedly connected to two ends of each bottom plate (91) and each arc-shaped plate (92), the fan blades (9) are provided with two layers of high and low layers, and the two layers of high and low layers of the fan blades (9) are fixed on the fixed supporting beam (8) in a staggered mode.

2. The independent impeller device of multi-level asymmetric vertical axis wind turbine according to claim 1, wherein: a fixing rod (201) is connected between the large flange (2) and the small flange (3).

3. The independent impeller device of multi-level asymmetric vertical axis wind turbine as claimed in claim 2, wherein: support (4) are including being fixed in short bracing piece (401) and first bearing diagonal pole (402) of big flange (2) upside, support (4) are still including being fixed in long bracing piece (403) and second bearing diagonal pole (404) of big flange (2) downside, support (4) are still including being fixed in third bearing diagonal pole (405) on little flange (3), short bracing piece (401), first bearing diagonal pole (402), long bracing piece (403), second bearing diagonal pole (404) and third bearing diagonal pole (405) all are connected with fan blade frame (5).

4. The device for the independent impeller of the multilevel asymmetric vertical axis wind turbine as claimed in claim 3, wherein: an auxiliary supporting rod (406) is connected between the short supporting rod (401) and the long supporting rod (403).

5. The device for the independent impeller of the multilevel asymmetric vertical axis wind turbine as claimed in claim 4, wherein: the wing walls (94) of the two opposite wings have inward-inclined slopes, and the slopes are not more than ten degrees.

6. The device for the independent impeller of the multilevel asymmetric vertical axis wind turbine as claimed in claim 5, wherein: the bottom plate (91) and the arc-shaped plate (92) are integrally formed.

7. The device for the independent impeller of the multilevel asymmetric vertical axis wind turbine as claimed in claim 6, wherein: the bottom plate (91) is in screw connection with the fixed support beam (8).

8. The device for the independent impeller of the multilevel asymmetric vertical axis wind turbine as claimed in claim 7, wherein: the reinforcing support plate (93) is welded on the bottom plate (91) and the arc-shaped plate (92).

9. The device for the independent impeller of the multilevel asymmetric vertical axis wind turbine as claimed in claim 8, wherein: at least six fan blades (9) are arranged on one layer.

10. The device for the independent impeller of the multilevel asymmetric vertical axis wind turbine as claimed in claim 9, wherein: the mounting positions of the two layers of fan blades (9) are not longitudinally on the same horizontal plane.