CN205559158U - A vertical axis wind force power generator leaf - Google Patents

Abstract

The utility model provides a vertical axis wind force power generator leaf has solved the unreasonable slow problem of blade rotational speed that leads to of a vertical axis wind force power generator leaf design among the prior art, a vertical axis wind force power generator leaf, including the vertical centring axle, with vertical centring axle fixed connection's wind wheel bracing piece, blade, the blade comprises the installation head and the portion's integration of facining the wind, and on the blade profile, the installation head be the first segmental arc of inside side bend cranked, and the portion of facining the wind is outside side bend cranked second segmental arc, and the afterbody attenuation gradually of tip to the second segmental arc of first segmental arc is followed to the thickness of blade, the wind wheel bracing piece with the tip fixed connection of first segmental arc medial surface, the radius of first segmental arc medial surface circular arc is 20cm, the radius of second segmental arc medial surface circular arc is 67.8cm, and rooting -in of blades is at the tip of first segmental arc for the duan gengchang that facings the wind of blade, blade also easier promotions forward, two segmental arcs designs promote blades and travel forward, the rotational speed change soon.

Description

A kind of vane of vertical shaft wind-driven generator

Technical field

This utility model relates to wind-driven generator field, particularly relates to a kind of vane of vertical shaft wind-driven generator.

Background technology

At present, vane of vertical shaft wind-driven generator mainly has resistance-type and lift-type, resistance-type blade to be to utilize The acting of resistance that air stream produces on blade, has bigger torque and a good startability, but blade tip Speed ratio and wind energy transformation rate are relatively low, and lift-type blade is the pressure differential acting utilizing air stream to produce at blade, There is higher tip speed ratio and wind energy transformation rate, but little being difficult to of torque starts.Lift disclosed in prior art Type blade has mostly followed the aviation aerofoil profile i.e. design of aircraft wing, and aircraft wing relative atmospheric is active body, Air is by kinetoplast, and additionally aircraft wing is higher with the relative velocity of air, the blade of wind-driven generator application Work system and the work system contrast of aircraft wing, i.e. air is active body, and blade is by kinetoplast, Blade is relatively low with the relative velocity of air, and aircraft must fly in preferable weather environment, and wind-force is sent out Motor is round-the-clock, more manipulates for energy without manpower, so lift can only be let nature take its course, thus Having a greatly reduced quality greatly, also aircraft is relative rectilinear flight, and wind-driven generator is around central shaft and rotates, Thus some blade becomes resistance-type, so the blade of aviation Airfoil Design can not well be expired The requirement of foot wind-driven generator.

Utility model content

The utility model proposes a kind of vane of vertical shaft wind-driven generator, solve vertical shaft wind in prior art The unreasonable problem causing blade rotational speed slow of power generator blade design.

The technical solution of the utility model is achieved in that a kind of vane of vertical shaft wind-driven generator, including Vertical center axis fixes wind wheel support bar, the blade being connected with vertical center axis,

Described blade by securement head and windward integrally constitute, on blade profile, securement head be to First segmental arc of interior lateral bend, portion is the second segmental arc bent laterally windward,

The thickness of blade is the most thinning to the afterbody of the second segmental arc from the end of the first segmental arc, described wind wheel Support bar is fixing with the end of described first segmental arc medial surface to be connected；

The radius of described first segmental arc medial surface circular arc is 20cm, described second segmental arc medial surface circular arc Radius is 67.8cm.

As preferred technical scheme, the height of described blade is 250cm.

This utility model is produced beneficial effect compared with background technology:

Second segmental arc of blade produces powered blade windward and travels forward, the second segmental arc

Blade is arranged on the end of the first segmental arc so that the section windward of blade is longer, and blade the most easily promotes Forward, when blast is got involved, two segmental arcs can produce powerful eddy current, reach when this eddy current moment Will be along the designed rapid pressure release of blade angle during certain pressure, the i.e. second segmental arc promotes blade forward, First segmental arc unloads wind and adds promotion, which forms a kind of power to promote blade to travel forward, and blade rotational speed becomes Hurry up.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below by right In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that below, Accompanying drawing in description is only embodiments more of the present utility model, for those of ordinary skill in the art, On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is this utility model one vane of vertical shaft wind-driven generator schematic top plan view；

Fig. 2 is this utility model blade schematic perspective view when by wind-force.

In figure: 1-vertical center axis；2-wind wheel support bar；3-blade；4-the first segmental arc；5-the second arc Section.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real Execute example rather than whole embodiments.Based on the embodiment in this utility model, ordinary skill people The every other embodiment that member is obtained under not making creative work premise, broadly falls into this utility model The scope of protection.

As shown in Figure 1 and Figure 2, a kind of vane of vertical shaft wind-driven generator, including vertical center axis 1 and hang down Wind wheel support bar 2 that direct attack mandrel 1 is fixing to be connected, blade 3, blade 3 is by securement head and portion one windward Bodyization is constituted, and on blade 3 cross section, securement head is the first segmental arc 4 of inside lateral bend, and portion is windward The second segmental arc 5 bent laterally, the thickness of blade 3 from the end of the first segmental arc 4 to the second arc The afterbody of section 5 is the most thinning, and wind wheel support bar 2 is fixing with the end of the first segmental arc 4 medial surface to be connected； The radius of the first segmental arc 4 medial surface circular arc is 20cm, and the radius of the second segmental arc 5 medial surface circular arc is 67.8cm, the height of blade 3 is 250cm.

The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all Within protection domain of the present utility model should be included in.

Claims (2)

1. a vane of vertical shaft wind-driven generator, is connected including vertical center axis and vertical center axis are fixing Wind wheel support bar, blade, it is characterised in that:

Described blade by securement head and windward integrally constitute, on blade profile, securement head be to First segmental arc of interior lateral bend, portion is the second segmental arc bent laterally windward,

The thickness of blade is the most thinning to the afterbody of the second segmental arc from the end of the first segmental arc, described wind wheel Support bar is fixing with the end of described first segmental arc medial surface to be connected；

The radius of described first segmental arc medial surface circular arc is 20cm, described second segmental arc medial surface circular arc Radius is 67.8cm.

2. a kind of vane of vertical shaft wind-driven generator as claimed in claim 1, it is characterised in that:

The height of described blade is 250cm.