CN103114969A

CN103114969A - Cam type blade angle adjusting mechanism of vertical shaft fluid transducer

Info

Publication number: CN103114969A
Application number: CN2013100768011A
Authority: CN
Inventors: 肖华军
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-11
Filing date: 2013-03-11
Publication date: 2013-05-22

Abstract

The invention relates to a cam type automatic blade angle adjusting device of a vertical shaft fluid transducer. The cam type automatic blade angle adjusting device of the vertical shaft fluid transducer combines the wind aligning device of a horizontal shaft wind power generator and a cam mechanism, can automatically align the fluid velocity direction, accurately controls the relative angles of blades and a fluid velocity vector, reduces unnecessary resistance to the maximum extent, improves effective driving force, and therefore obtains excellent energy conversion efficiency. After relative structural reinforcement is carried out, the cam type automatic blade angle adjusting device of the vertical shaft fluid transducer can be installed and fixed in the sea, and the function of generating electricity by converting the motion energy of tide currents can be achieved. The cam type automatic blade angle adjusting device of the vertical shaft fluid transducer has the advantages of being small in starting wind power, and high in wind power converting efficiency.

Description

Cammingly vertical shaft fluid transducer adjustment of blade angle mechanism

Technical field

The present invention relates to a kind of cammingly and automatically regulate the device of vertical shaft type fluid dynamic energy transducer blade angle.

Background technique

It can be a kind of energy mode of environment-protecting clean for the electric energy that directly utilizes that the kinetic energy of the various fluids of occurring in nature is converted to, concrete mode generally has two kinds of hydroelectric power and wind-power electricity generations, is subject to countries in the world and extensively payes attention to owing to having pollution-free and reproducible characteristics.With wind-power electricity generation, the transformation of energy form of wind-driven generator is mainly by two kinds of vertical shaft type and horizontal axis, present level axle wind-power electricity generation is used comparatively general, the vertical shaft type wind-power electricity generation is comparatively rare, reason is that the air-flow of vertical shaft type wind power generation reply variation is comparatively difficult, and the vane stress of especially reverse wind motion can cause the reduction of working efficiency.The present invention combines with cam mechanism to wind apparatus horizontal axis wind generating, can automatic alignment liquid speed direction, and accurately control the relative angle that blade and liquid speed are vowed, reduce to greatest extent unnecessary resistance, increase effective driving force, thereby obtain excellent energy conversion efficiency.This device also can be fixed on marinely after the corresponding reinforcement to structure, realizes the function to the utilizing ocean current kinetic energy conversion power generation that there is no fixed-direction.

Summary of the invention

For vertical-shaft aerogenerator, because its enegrgy converter (blade) is placed in the flow field, the area of space that blade can be moved process according to the effect of vane stress is divided into two-part: power-section and Resistance Level.The fluid force drive vane that in power-section, the blade of motion is subject to produces driving torque and drives vertical shaft rotary; The fluid force that in Resistance Level, the blade of motion is subject to produces equally drag torque and stops it to rotate, and the difference of driving torque and drag torque is only the power of final driving vertical shaft rotary.

Thinking of the present invention is will be by to the direction between wind apparatus regulator generator and wind-force (current), makes the blade can be over against the direction of liquid speed maximum.And utilize cam and corresponding mechanical transmission mechanism to control the angle that blade moves in power-section and Resistance Level, have best loading angle windward when making blade move in power-section, in order to change fully wind-force; Have best wind sheltering loading angle when moving when moving in Resistance Level, the resistance of wind-force to blade movement reaches the maximization of the difference of driving torque and drag torque, thereby realizes the maximum using to wind-force.

The key that technology of the present invention realizes is: under the prerequisite that the flow direction of supposition fluid is fixed, determine that according to the characteristics of blade, stressed rule in fluid field blade is under the condition of the maximum of the difference of suffered driving torque and drag torque, the process Leaf in one week of vertical shaft rotary and the change curve of direction of flow velocity angle, the corresponding relation of the rotation angle when asking for blade self rotation angle and vertical shaft rotary take it as the basis, and design on this basis corresponding cam and corresponding driving mechanism.

Specifically: the vertical shaft fluid transducer in the present invention, install and connect constraint mechanism and corresponding rear class driving mechanism, pedestal etc. by blade rack, vertical shaft, to wind apparatus, cam, blade, cam follower, driven member and consist of.

blade rack is connected with king and becomes one, the central shaft of blade rack and the axis of king are coaxial, be connected on pedestal by running shaft, the running shaft rotation on pedestal of blade rack and king, this rotatablely moves as the conversion output of fluid energy, is used for driving the machineries such as generator, the blades installation axis hole identical with blade quantity arranged on blade rack, be used for connecting blade, blade pass is crossed running shaft and is arranged on blade rack, and can the blade installation shaft on blade rack rotate, wind apparatus and cam are linked (by to the rotation of wind apparatus driving cam), the central shaft of cam self axis of rotation and blade rack, the dead in line of king, cam can independently rotate around cam self axis of rotation, cam follower, driven member is installed and is connected constraint mechanism and corresponding rear class driving mechanism is fixed on blade rack, consist of the mechanical motion Transmitted chains, its quantity is consistent with the quantity of the blade 8 that needs to control, and be rotatablely moving of blade with the motion converter of driven member, at blade rack in the process that king rotates, the characteristics of motion that driven member is set cam is delivered on blade by driven member and rear class driving mechanism, make the angle of blade in the process of frame rotation change the change curve that meets predefined blade and direction of flow velocity angle.

The rotation of blade rack can be used for driving electricity generating device as the output of convection cell transformation of energy.

Description of drawings

Fig. 1 is schematic diagram of the present invention

Fig. 2 is decomposing schematic representation

Fig. 3 is blade angle variation diagram 1

Fig. 4 is blade angle variation diagram 2

Fig. 5 is blade angle variation diagram 3

Fig. 6 is blade angle variation diagram 4

Fig. 7 is blade angle variation diagram 5

Fig. 8 is blade angle variation diagram 6

1 is to wind apparatus, and 2 is cam, and 3 is slide block guide rail, and 4 is wobble wheel, and 5 is swing connecting bar, and 6 is cam slide, and 7 are the vane drive wheel, and 8 is blade, vertical shaft centered by 9, and 10 is pedestal, 11 is blade rack

Embodiment

Below by embodiment, the present invention is specifically described, be pointed out that at this present embodiment just further illustrates invention, can not be interpreted as limiting the scope of the invention by necessity.The person skilled in art can make some nonessential improvement and adjustment according to the content of the invention described above.

Embodiment

As shown in Figure 1, 2, this mechanism is by wind apparatus 1, cam 2, blade 8, king 9, pedestal 10, blade rack 11 and corresponding attached transmission are consisted of.

Blade 8 is connected on blade rack 11 through running shaft, and can rotate in the axle center, blades installation hole on blade rack 11 around blade 8; The dead in line of the Center-to-Center vertical shaft 9 of blade rack 11 connects as one, is installed on running shaft on pedestal 10 by the hole with the dead in line of king 9, and the rotation of the running shaft on pedestal 10; Wind apparatus 1 and cam 2 are connected as one, and cam 2 is arranged on king 9, and the dead in line of the rotating center of cam 2 and king 9, and can independently rotate around the axis of king 9; Slide block guide rail 3 is fixed on blade rack 11, and cam slide 6 keeps fitting with the camming surface of cam 2, is arranged in the respective slide slots of slide block guide rail 3, along the camming surface slip of cam 2; Wobble wheel 4 is connected with slide block 6 via swing connecting bar 5, and swing connecting bar 5 is installed in the chute of wobble wheel 4, and moving connecting rod 5 connects slide block 6 by pin; Adopt Timing Belt to be connected between wobble wheel 4 and vane drive wheel 7, blade 8 and vane drive adopt interference fit joint between taking turns 7.

When wind vector causes that drive vane support 11 rotates under the wind-force effect to wind apparatus 1 driving cam 2 rotation or blade 8, the capital causes producing between cam 2 and blade rack 11 angle and changes, this moment, slide block 6 will produce displacement along slide block guide rail 3 upper rail directions as the driven member of cam 2 under slide block guide rail 3 constraints, drive swing connecting bar 5 slippage in the chute of wobble wheel 4, and cause wobble wheel 4 around the rotation in himself axle center, finally be delivered on vane drive wheel 7 through the rotation of Timing Belt with wobble wheel 4, realize the driving to blade 8.By Fig. 3 to Fig. 8 as seen, when the flow direction of fluid is fixed as when flowing to the bottom right from the upper left, all blades that is positioned at the position, lower-left have all kept with the wide-angle angle of direction of flow to obtain larger fluid dynamic, the blade of upper-right position has kept small angle angle with direction of flow to reduce fluid to its active force, has realized the maximized demand to the difference of driving torque and drag torque.

The rotation of blade rack 11 can be used for driving electricity generating device as the output of convection cell transformation of energy.

Claims

1. cammingly vertical shaft fluid transducer adjustment of blade angle mechanism, is characterized in that this mechanism is by wind apparatus 1, cam 2, blade 8, king 9, pedestal 10, blade rack 11 and corresponding attached transmission are consisted of.

2. blade 8(is some) be arranged on blade rack 11, and can be around the installation shaft rotation of blade; King 9 is connected with blade rack 11 and becomes one, and is arranged on pedestal 10, can the installation shaft on pedestal 10 rotate; Installation shaft axis coinciding on the axis of rotation of cam 2 and pedestal 10, and cam 2 can rotate freely around the axis of rotation of self.

3. cammingly vertical shaft fluid transducer adjustment of blade angle as claimed in claim 1 mechanism, is characterized in that wind apparatus 1 and cam 2 are linked, and rotates freely with blade rack 11 by wind apparatus 1 driving cam 2 being independent of king 9.

4. cammingly vertical shaft fluid transducer adjustment of blade angle as claimed in claim 1 mechanism, the attached drive mechanism corresponding with cam 2 that it is characterized in that on blade rack 11 connection, be used for blade rotary rule fixing on cam 2 is transferred to blade 8, make the angle of swing of blade 8 in whole rotary course meet predefined rule.

5. cammingly vertical shaft fluid transducer adjustment of blade angle as claimed in claim 1 mechanism is characterized in that the axis coinciding that whole relative pedestal 10 that rotating center and the blade rack 11 and king 9 of cam 2 consists of rotates.

6. cammingly vertical shaft fluid transducer adjustment of blade angle as claimed in claim 1 mechanism, the quantity that it is characterized in that cam 2 is 1, and blade 8 is with identical with the quantity of attached drive mechanism corresponding to cam 2, its corresponding relation is rendered as the character of one-to-many.