CN201377393Y

CN201377393Y - Flexible speed-controllable wind-driven generator

Info

Publication number: CN201377393Y
Application number: CN200920101642U
Authority: CN
Inventors: 王川
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-25
Filing date: 2009-02-25
Publication date: 2010-01-06
Anticipated expiration: 2019-02-25

Abstract

Disclosed is a flexible speed-controllable wind-driven generator belonging to the field of wind-driven generators. A wind wheel axle is connected with a wind fan and also connected with a generator through a speed changer, a main wind deflector and an auxiliary wind deflector are connected with a main wind shield and an auxiliary wind shield through a main deflector frame and an auxiliary deflector frame which are rotatable, and an included angle between the leeward surfaces of the main wind deflector and the auxiliary wind deflector is less than 180 degrees; the deflectors can automatically find directions with wind power, half of the windward surface of the wind wheel is always obstructed by the main wind shield and the auxiliary wind shield, and the other half of the windward surface of the wind wheel is driven by wind; transformable flexible devices are arranged on the leeward surfaces of the main deflector and the auxiliary deflector, the rotation speed of the generator can be regulated by only the natural wind and the flexibility of solid substances with no speed-measuring apparatus or work applied by other power sources; the generator has stable rotation speed, simple technical structure, low manufacturing cost, the surface of the wind fan is perpendicular to water surface, and the generator has high wind power utilization and power-generating efficiency.

Description

Elastic speed control wind power generator

Technical field:

The present invention is a kind of device that utilizes wind-power electricity generation, belongs to the wind-driven generator field.

Technical background:

At present, in technical field of wind power generation,, promptly change because of its wind-force of wind energy of nature formation, the size of wind speed exist indeterminedness; And the rotating speed of wind-driven generator should remain in the relatively stable scope of a setting by technical requirement on design.But in present wind generating technology, regulation and control wind-driven generator rotating speed all needs to test the speed through tachometer earlier, and the electromagnetic signal that generator has exceeded the speed limit fed back to the generator speed control system, do work the rotating speed of regulating generator by it, this cover tests the speed, regulator control system technical pattern complexity, cost height.

Summary of the invention:

The elastic speed control wind power generator purpose provides a kind of tachometer that do not need, and only utilizes the intrinsic elastic force of the kinetic energy of natural wind and solid matter to realize regulation and control to generator speed; It does not need other power source acting except that the elastic force that utilizes natural wind and object, technical pattern simpler production cost is low, the vertical wind-engaging of fan blade, wind energy utilization height.

Technological scheme: as Fig. 1, Fig. 3: establish rotor shaft and connect fan blade and form wind wheel, rotor shaft connects speed changer, speed changer connects generator, generator connects support, if the angle of lee face less than 180 ° leading aerofoil, secondary wind deflector by being that main air timbering, the secondary aerofoil support that rotate in the axle center is connected with main barge board, secondary barge board respectively with same axis, and major and minor aerofoil support is connected with the aerofoil rotating shaft by bearing respectively, and rotor shaft connects top cover and bottom by bearing; Leading aerofoil, secondary wind deflector lee face are provided with the rear push-rod that connects by bearing, and rear push-rod connects the pusher post by bearing, and the pusher post is provided with the deformation Billiard apparatus.

As Fig. 4: when wind-force surpasses the transition point of setting the required wind-force of rotating speed, be that the axle center closes up with the wind with the aerofoil rotating shaft behind the also major and minor just wind deflector wind-engaging, its rear push-rod surpasses the transition point that the pulling force of extension spring prolongs extension spring with pusher post thrust backward; This moment, major and minor barge board separated respectively to the left and right, and when opening formed the contrary wind mouth therebetween, main barge board reduced positive air port, realized the regulation and control to wind wheel and generator speed, made it to be no more than the designing requirement rotating speed.

The problem and the effect that solve: elastic speed control wind power generator does not need tachometer, it is when utilizing wind energy power, utilize wind energy and solid matter intrinsic elastic force wind wheel and generator speed are regulated and control, it does not need with other power source beyond wind energy and the elastic force do work wind wheel and generator speed.When much wind-force, need open mouth against the wind, during much wind-force against the wind mouth need open much, can be according to technical requirement on design, by setting to major and minor wind deflector area, to the setting of angle between the major and minor wind deflector, be that the adjusting of tension degree of extension spring and the setting that stiffness also is the coefficient of stiffiness are regulated and control to the elastic force object.The vertical wind-engaging of elastic speed control wind power generator fan blade, the wind energy utilization height; Technical pattern and making are simple, and cost is low.

Description of drawings:

Fig. 1: the surface structure schematic representation that is elastic speed control wind power generator

Fig. 2-1: the parts long splice composition that is secondary wind deflector and secondary barge board.

Fig. 2-2: the parts long splice composition that is leading aerofoil and main barge board.

Fig. 3: be wind wheel top structure plan view.

Fig. 4: be when wind-force wind wheel top structure state plan view during greater than wind wheel and the requirement of generator designs rotating speed.

Fig. 5-1: be spring-piece type deformation Billiard apparatus structural representation.

Fig. 5-2: be spring deformation Billiard apparatus structural representation.

1 rotor shaft, 2 fan blades,

The 3-1 top cover, the 3-2 bottom,

4 speed changers, 5 generators, 6 aerofoil rotating shafts, 7 rain covers, 8 supports,

9-1 dominates aerofoil, the secondary wind deflector of 9-2,

10-1 main air timbering, the secondary aerofoil support of 10-2,

11-1 master's barge board, the secondary barge board of 11-2,

12 central siphons,

13 rear push-rods, 14 pusher posts,

15 extension springs,

16 contrary wind mouths,

17 shell fragments.18 springs.

19 positive air ports.

Embodiment:

As Fig. 1: rotor shaft 1 fixedly connected fan blade 2 is formed wind wheels.The fan blade face is perpendicular to horizontal plane, and wind wheel level height of 2 when rotating is constant; 2 are no less than four, and also arc plate of straight plate.1 upper end connects circular top cover 3-1 by bearing, and 1 connects circular bottom 3-2 by bearing downwards, and 1 is passed down through 3-2

connection speed changer

4,4 connection generators 5.The axis normal that bearing connection

aerofoil rotating shaft

6,6 is established in the center on 3-1 is in 3-1 and crossing with the center of circle of 3-1, and 6 upper end connects

support

8,8 by bearing and connects 5, is provided with rain cover 7 at 8 top.

If leading aerofoil 9-1 connects set main barge board 11-1 by set main air timbering 10-1,10-1 connects 6 by bearing.

If secondary wind deflector 9-2 connects set secondary barge board 11-2 by set secondary aerofoil support 10-2,10-2 connects 6 by bearing.Make wind wheel the windward side half blocked by two barge boards, second half forms positive air port 19, wind wheel rotation during the fan blade wind-engaging, generator work.

In conjunction with Fig. 2-1,2-2 with shown in Fig. 5-1: on the limit, lower end of 11-1 and 11-2 each 10-1 that is connected and 10-2 respectively the set central siphon 12 in bearing center below 3-2 by separately be connected, 12 is to fixedly connected with 3-2,12 internal diameters are greater than 1 diameter.

As the angle between Fig. 3: 9-1 and the 9-2 lee face less than 180 °.When change of the wind, 9-1 and 9-2 are that rotate in the axle center with 6, seek and the subtend direction of the wind comes from the windward side, and always half is blocked by two barge boards to make the windward side of wind wheel, and second half forms positive air port 19, wind wheel rotation during the fan blade wind-engaging, generator work.On the lee face of 9-1 and 9-2, connect 13, two 13 bearings of crossing respectively separately of two set rear push-rods by bearing respectively and connect between the

set pusher post

14,14 and 6 and be connected by an adjustable extension spring 15.15 pulling force makes that 11-1 and 11-2 merge into a single whole when wind-force is no more than design speed and requires, and mouthfuls 16 closes against the wind.

As Fig. 4: when wind-force, wind speed increased to greater than the design speed requirement, it was that the axle center closes up rotation with the wind with the aerofoil rotating shaft that the wind-force acting makes 9-1,9-2: promote 14 by 13 and 6 move dorsad, 15 generation deformation are promptly stretched; Making 11-1 simultaneously is that the reverse rotation that separates is done in the axle center with 11-2 with 6, and mouth 16 is opened against the wind; Enter its direction of wind of wind wheel and 2 direction of rotation by 16,11-1 makes 19 to reduce simultaneously, thereby regulation and control wind wheel and generator speed make it to remain on and set proper functioning in the speed range.

In Fig. 5-1, other has introduced a kind of can regulate shell fragment 17 that adopts and has substituted 15 mode of structure.Also have a kind of mode in Fig. 5-2: remove two 13 and 14,15, the groove by being respectively equipped with on the wind face that adopts spring 18 to be entrapped in 9-1,9-2 respectively gets final product; Then 6 with 3-1 and 6 and 8 between can remove bearing and adopt the mode of fixedlying connected; Adopt the mode of structure of 18

ratio employings

15,17 more simple and practical.The perpendicular distance of adjusting 18 elastic force and adjusting between the groove and 6 just can regulate and control 16, thereby regulation and control wind wheel and generator speed make it to remain on proper functioning in the setting speed range.

Utilize the specific constructive form of solid matter elastic force a lot of in a word, now be referred to as the deformation Billiard apparatus with 15,17,18, it is Hooke's law that the deformation Billiard apparatus must be observed a law: in elastic limit, the elastic force of spring size is directly proportional with the deformation quantity of spring, i.e. F=kx.So the elastic force of deformation Billiard apparatus size is directly proportional with the deformation quantity of deformation Billiard apparatus, satisfies formula: F=kx; F represents elastic force, and x represents deformation quantity, and k is a constant, and the stiffness that is the deformation Billiard apparatus is the coefficient of stiffiness.

(Hooke's law draw in: " notion formula theorem is understood the 29th page in handbook physics senior middle school fascicle; This book is published by publishing house of Beijing Normal University, " notion formula theorem is understood handbook and is write group and compile, in June, 2007 front page.)

Claims

1. elastic speed control wind power generator comprises wind wheel, support, speed changer, generator, positive air port, the contrary wind mouth, it is characterized in that rotor shaft (1) connects fan blade (2), form wind wheel, rotor shaft (1) connects speed changer (4), speed changer (4) connects generator (5), generator (5) connects support (8), leading aerofoil (9-1), secondary wind deflector (9-2) is by the main air timbering, secondary aerofoil support respectively with main barge board (11-1), secondary barge board (11-2) connects, and it is main, secondary aerofoil support is connected with aerofoil rotating shaft (6) by bearing respectively, and rotor shaft (1) connects top cover (3-1) and bottom (3-2) by bearing; The leading secondary wind deflector of aerofoil (9-1) (9-2) lee face is provided with the rear push-rod (13) that connects by bearing, and rear push-rod (13) connects pusher post (14) by bearing, and pusher post (14) is provided with the deformation Billiard apparatus.

2. elastic speed control wind power generator as claimed in claim 1 is characterized in that: rotor shaft (1) is to fixedly connected with fan blade (2).

3. elastic speed control wind power generator as claimed in claim 1 is characterized in that: the level height of wind wheel fan blade (2) when rotating is constant.

4. elastic speed control wind power generator as claimed in claim 1 is characterized in that: top cover (3-1) and bottom (3-2) all are circular.

5. elastic speed control wind power generator as claimed in claim 1 is characterized in that: the angle between the lee face of leading aerofoil (9-1) and secondary wind deflector (9-2) is less than 180 °.

6. elastic speed control wind power generator as claimed in claim 1 is characterized in that: be provided with can opening and closing contrary wind mouth (16), enter its direction of wind of wind wheel and the direction of rotation of fan blade (2) by mouthful (16) against the wind.

7. elastic speed control wind power generator as claimed in claim 1 is characterized in that: when leading aerofoil (9-1), secondary wind deflector (9-2), main barge board (11-1), secondary barge board (11-2) when rotating, all be to be the axle center with same axis.

8. elastic speed control wind power generator as claimed in claim 1 is characterized in that: the axis normal of aerofoil rotating shaft (6) intersects in top cover (3-1) and with the center of circle of top cover (3-1).

9. elastic speed control wind power generator as claimed in claim 1 is characterized in that: the internal diameter of central siphon (12) is greater than the diameter of rotor shaft (1).