CN102011706B

CN102011706B - Wind power generator

Info

Publication number: CN102011706B
Application number: CN201010518114.7A
Authority: CN
Inventors: 金彪
Original assignee: SHANGHAI LIFT WIND POWER EQUIPMENT CO Ltd
Current assignee: SHANGHAI RUCHONG WIND ENERGY EQUIPMENT CO., LTD.
Priority date: 2010-01-05
Filing date: 2010-10-13
Publication date: 2014-06-04
Anticipated expiration: 2030-10-13
Also published as: CN102011706A; JP2011141050A

Abstract

An aim of the invention is to disclose a wind power generator with improved reliability in strong wind. The wind power generator of the invention is composed of a plurality of blades of a vertical rotation type wind power generator, which rotate for generating power. Each blade comprises a blade body with a wing shape. A rotation speed restricting plate which can restrains the blade rotation under strong wind projects from a lower surface of the blade body. The wind load of the blade is reduced and the reliability of the wind power generator is improved.

Description

Wind generating unit

Technical field

The present invention relates to a kind of wind generating unit, particularly a kind of wind generating unit of the intensity and the wind-power electricity generation ability that improve wind power generating set.

Background technique

Utilize the wind generating unit of natural energy resources, the wind generating unit of propeller cavitation rotary electrification, the wind generating unit of the vertical rotating shaft of the wind direction impact of wind-engaging not, the wind generating unit etc. that the vertical rotary type windmill type of blade has been installed has all been used; The invention relates to the wind generating unit of the vertical rotary type windmill type that blade has been installed.

The structure of the wind generating unit of existing vertical rotary type windmill type has been described as shown in Figure 1, Figure 2, Figure 3 shows.

Wherein, the schematic perspective view that Fig. 1 is existing wind generating unit, Fig. 2 is the floor map of Fig. 1 Leaf bottom, Fig. 3 is the sectional schematic diagram of Fig. 1 Leaf.

Shown in figure, 1 is running shaft, and 2 for being arranged on the generator of running shaft 1 lower end, and 3 is 2 groups of blades that are oppositely arranged, and 4 for one end is fixed on described blade 3, the other end is fixed on the connecting rod on the land 5 being arranged on described running shaft 1.

Moreover the sectional shape that the wing shapes of the sectional shape of described blade 3 and the main wing of aircraft form is close, be created in the wind of the side of blade 3, the climbing power for the main wing of aircraft, has formed the rotating force A of whole wind generating unit.

Further, blade 3 is formed according to predetermined shape by sheetmetal, and described blade 3 inserts the plat part 4b of the web 4a of being combined with the end of described connecting rod 4, and is connected by junctures such as welding, rivet and moulding mutually with plat part 4b.(in above-mentioned prior art, blade 3 engages by rivet and moulding mutually with plat part 4b.)

The wind generating unit more than forming, blade 3 is subject to wind-force driven rotary axle 1 and rotates, and generator 2 is generated electricity.

In above prior art, for engaging the plat part 4b of described running shaft 1 with the described web 4a of described blade 3, in order to solve in the actual using process when the long high wind, the fragility of the stress of the anastomosis part of described blade 3, the sheetmetal that forms blade 3 need to be thickeied, quench hardening etc. proposed high-intensity processing.

Above-mentioned these countermeasures, make blade 3 weight increase, sheetmetal be shaped time processing difficulties and become cost increase main cause.

In sum, need especially a kind of wind generating unit, to solve the existing problem of existing wind generating unit.

Summary of the invention

The object of the present invention is to provide a kind of wind generating unit, solve the problems referred to above that existing wind generating unit exists, processing is simple, with low cost.

Technical problem solved by the invention can realize by the following technical solutions:

A kind of wind generating unit, it comprises being arranged on the blade that land, one end are arranged on the connecting rod on described land and are arranged on the other end of described connecting rod is installed on rotatable generator on running shaft, described running shaft, it is characterized in that the outstanding rotational speed suppressing plate that is provided with in below of the bottom surface of the blade body of the wing shapes of described blade.

In one embodiment of the invention, described blade is made up of blade body and rotational speed suppressing plate one.

In one embodiment of the invention, described blade forms by blade body with the rotational speed suppressing plate that described blade body removably connects.

In one embodiment of the invention, the facial formation of the first joint the second joint facial and that engage with the inwall above of described blade body that described blade comprises blade body, engages with inwall below described blade body; Described the first joint face and second engages between face and is provided with the crosspiece being made up of the integrated joining portion that is breach word shape.

Wind generating unit of the present invention, blade is made up of the outstanding rotational speed suppressing plate arranging in below of blade body and blade body bottom, the climbing power that wind when the rotation of blade produces in blade body offsets with rotational speed suppressing plate generation resistance, wind while suppressing blade rotary, thereby in the intensity that fundamentally improves wind generating unit when in the face of wind-force., realize object of the present invention.

Feature of the present invention can be consulted the detailed description of the graphic and following better mode of execution of this case and be obtained and be well understood to.

Brief description of the drawings

Fig. 1 is the schematic perspective view of existing wind generating unit;

Fig. 2 is the floor map of Fig. 1 Leaf bottom;

Fig. 3 is the schematic cross-section of Fig. 1 Leaf;

Fig. 4 is the schematic perspective view of an example of wind generating unit of the present invention;

Fig. 5 is the floor map of Fig. 4 Leaf bottom;

Fig. 6 is the schematic cross-section of Fig. 4 Leaf.

Embodiment

For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.

Embodiment

Below, according to an example of the bright wind generating unit of the present invention of Fig. 4～figure 6 Said.

Moreover, at the bright Time of Said, adopting identical label with a same part for prior art, corresponding explanation is omitted.

Fig. 4 is the schematic perspective view of an example of wind generating unit of the present invention, and Fig. 5 is the floor map of Fig. 4 Leaf bottom; Fig. 6 is the schematic cross-section of Fig. 4 Leaf.

With reference to the accompanying drawings, 10 are and the blade body of blade 3 identical in prior art, and running shaft 1 is fixedly connected with blade body 10 by land 5, connecting rod 4c and web 4d.

11 be comprise with inwall 10a below blade body 10 and above inwall 10b engage first engage facial 11a and second and engage facial 11b and first and engage the crosspiece that facial 11a and the second section that engages the linking department 11c linking between facial 11b are breach word shape.

After near the length setting two ends of the long side direction of blade body 10, below blade body 10 inwall 10a and above the end of inwall 10b engage one another, the reinforcement of the twisting strength of blade body 10 is bent to form by sheet metal.

12 is reinforcing plate, and reinforcing plate 12 is fixed on the inwall 10b above of short side direction of the upper or blade body 10 of inwall 10a below the short side direction of blade body 10.

As mentioned above, below blade body 10 inwall 10a and above inwall 10b engage one another by crosspiece 11, strengthened blade body 10 twisting strength when rotated.

15 is the outstanding rotational speed suppressing plate arranging in below below the long side direction of blade body 10, and rotational speed suppressing plate 15 and blade body 10 form blade 16.

The section of blade body 10 is the main wing shape of aircraft, wind makes blade 16 produce climbing power, blade 16 is rotated, rotational speed suppressing plate 15 is outstanding is arranged on the below below blade body 10, the climbing power that blade 16 produces makes rotational speed suppressing plate 15 produce resistance, make wind-force that the rotation of blade 16 is produced and be suppressed, be effectively suppressed at and under high wind, rotate through the surplus damage to blade 16.

Moreover in this example, crosspiece 11 is arranged in the length range near the length two ends of long side direction of blade body 10 and blade body 10 two ends, crosspiece 11 can carry out suitable setting according to the use state of wind generating unit.

When the plat part 4e of the end of connecting rod 4c and web 4d is connected to each other and inserts the groove 10c that is connected to blade body 10, be connected with crosspiece 11 one.

, between blade body 10 and crosspiece 11 or web 4c, be connected to each other meanwhile, can adopt known rivet to connect, other known reinforcement by connection means such as welding, or in conjunction with other means.

Meanwhile, in this example, can on the short side direction of blade body 10, connect stiffening plate 12 is set, like this, the intensity of blade body 10 will further be strengthened.

Moreover, in this example, illustrate that blade body 10 use sheetmetals making form, and can add glass fibre and carbon fiber to improve the intensity of blade body 10; And arranging between inwall up and down of blade body 10 engages the such design of crosspiece 11 that the first section that engages facial 11a and the facial 11b of the second joint is breach word shape, can obtain too identical effect.

Simultaneously, rotational speed suppressing plate 15 (is for example integrally formed with blade body 10, by sheet metal be integrally formed, resin integrated formation etc.), but may be also that rotational speed suppressing plate 15 and blade body 10 are made by sheet metal or resin forming respectively, then adhere to or the known installation method such as weld by screw rotational speed suppressing plate 15 and blade body 10 are fixed together.

If rotational speed suppressing plate 15 and blade body 10 are made by sheet metal or resin forming respectively, can make in advance the rotational speed suppressing plate 15 of several difformities, different resistances, select corresponding rotational speed suppressing plate 15 according to the wind behaviour that place is set of wind generating unit, be applicable to being arranged in blade body 10, install at the scene, place that arranges that is adapted at wind generating unit.

As mentioned above, in this example, owing to having added rotational speed suppressing plate 15 in blade body 10, follow the wind-force of the climbing power of blade 16 to produce resistance by rotational speed suppressing plate 15, make the weakening of climbing power of blade 16, the rotation of blade 16 is suppressed, and the durability of wind generating unit under high wind is improved.

Moreover, the inhibition of rotational speed suppressing plate 15 can improve the durability of wind generating unit in the high wind environment of estimating, further, blade body 10 is made up of newly-designed crosspiece 11, improve the intensity of blade body 10, the intensity of wind generating unit is improved.

,, according to the structure of the high-intensity blade 16 of carrying of above-mentioned 2 groups of wind generating units, in order to adapt to the environment that place is set of wind generating unit, 2 groups of blades 16 can be all arranged to said structure, also can only have 1 group of blade 16 to be arranged to said structure.

Wind generating unit of the present invention, the intensity by means of blade 16 under high wind improves, and has expanded the range of choice that place may be set of wind generating unit.

More than show and described basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims

1. a wind generating unit, it comprises being arranged on the blade that land, one end are arranged on the connecting rod on described land and are arranged on the other end of described connecting rod by web is installed on rotatable generator on running shaft, described running shaft, it is characterized in that the outstanding rotational speed suppressing plate that is provided with in below of the bottom surface of the blade body of the wing shapes of described blade; Described blade comprises blade body, has the first facial strut rail forming of the second joint that engages face and engage with the inwall above of described blade body engaging with inwall below described blade body; First of described crosspiece engages between face and the second joint face and is provided with by the integrated linking department that is breach word shape; When the end of connecting rod and the plat part of web are connected to each other and insert the groove that is connected to blade body, be connected with crosspiece one, follow the wind-force of the climbing power of blade to produce resistance by rotational speed suppressing plate, make the weakening of climbing power of blade, the rotation of blade is suppressed.

2. wind generating unit as claimed in claim 1, is characterized in that, described blade is made up of blade body and rotational speed suppressing plate one.

3. wind generating unit as claimed in claim 1, is characterized in that, described blade forms by blade body with the rotational speed suppressing plate that described blade body removably connects.