CN101349243A

CN101349243A - Cam type windmill capable of automatically tracking wind direction

Info

Publication number: CN101349243A
Application number: CNA2007101386767A
Authority: CN
Inventors: 郭文中; 萧廷昊; 赵玉兰; 胡嘉男; 葛元宏
Original assignee: SEVEN-STAR GLOBAL Co Ltd
Current assignee: SEVEN-STAR GLOBAL Co Ltd
Priority date: 2007-07-16
Filing date: 2007-07-16
Publication date: 2009-01-21

Abstract

A cam type windmill which can automatically track the direction of wind comprises an electric generator, a rotating shaft linked with the electric generator, and a fan blade component arranged on the rotating shaft, wherein the rotating shaft is equipped with a cam component, the cam component is equipped with a guiding portion which presents a preset shape, a blade of the fan blade component is contacted with the guiding portion via a crank, when the blade is windward or leeward, the blade automatically and easily forms an optimal pressed state and a least wind resistance state respectively by aid of driving of the guiding portion to receive unidirectional wind power, thereby driving the rotating shaft to lead the electric generator to generate electricity under relatively low wind speed, and achieving the optimal generating effect.

Description

The windmill of cammingly automatically tracking wind direction

Technical field

The present invention refers in particular to a kind of windmill of cammingly automatically tracking wind direction relevant for a kind of wind generating unit, can accept nondirectional wind energy, under low wind speed, drives rotating shaft and makes generator for electricity generation.

Background technique

Since human constantly consumption fossil fuel, and the oil storage reduces day by day, the CO that its burning is discharged ₂Seriously cause the generation of global warming (warming up) effect, so the measures of the United Nations's positive standard antagonism global warming; Clean renewable sources of energy technology is paid much attention to also to actively promote in countries in the world now, and wind-power electricity generation is best a kind of for being that the mankind can obtain in the numerous schemes of the renewable sources of energy at present, produces CO because of wind-power electricity generation has fuel fully ₂Problem does not more have nuclear energy waste material radiation pollution problem.

And electric energy is so-called " senior " energy, and the utilization of electric energy is very extensive, is the basis of modern humans's civilization, so modern human lives can not short of electricity.

Existing horizontal its pylon of shaft type wind power generating set is often up to more than 50 meters, and important generator set and flabellum position be on the pylon top, not only bulky not easy care, and cost is surprising, and is textural unsatisfactory.

Relevant wind-power electricity generation patented technology sees also the US patent No. 4496283, No. 384232, No. 440266, No. 505736, No. 685774, No. 830917, No. 1076713, No. 4534703, No. 4679985, No. 4818180, No. 5256034, No. 4220870, No. 7118344, No. 6749399, No. 963359, No. 5269647, No. 6000907, No. 6537018, No. 5083902, No. 6749393, No. 863715, No. 4509899, No. 4421458, No. 6726439, No. 5195871, No. 4245958, above-mentioned patent includes following disappearance at least:

1, complex structure, assembling is difficult for, and increases manufacture cost;

2, the blade upset is not to use aerodynamic force fully in the face of the action of wind direction, and it need be provided with complicated overturn structure in addition, as utilizes weathercock and driving mechanism to come the interlock blade;

3, no appropriate design on the structure causes making blade to overturn in the face of wind direction, and the initial driving force of its upset is very big, under low wind speed is to allow the blade upset, so the efficient of generating is very low.

Seeing also the US patent No. 3995170, No. 6688842, No. 6749394, is not the aerodynamic force that is applied in full force and effect, and those patents include following disappearance at least:

1, each blade vertically is provided with shape for independent, there is no mutual interlock and helps upset (though No. 3995170 case has interlock, need driving mechanism come the interlock blade), so the initial driving force that blade overturns is very big;

2, blade upset (as turning over turnback) is come in the face of wind direction, the initial driving force of its upset is very big, under low wind speed is to allow the blade upset, so the efficient of generating is very low;

3, there is no appropriate design on each blade structure, as minor flaps is set helps blade upset, so the initial driving force that blade overturns is very big.

See also the US patent No. 4383801, use strong wind marker tape moving cam and make blade steering, this patent includes following disappearance at least:

2, each blade utilizes the transmission of mechanical structure to help upset, so the initial driving force of blade upset is very big, is to allow the blade upset under low wind speed, so the efficient of generating is very low.

See also Chinese patent again No. 96120092.8, its blade stirs system and uses weathercock to demarcate wind direction, via the electric signal control servomotor blade that overturns; Blade needs the omnidistance drive of servomotor, not only consumed power, and electronic component is easy fault under the influence of weather temperature and humidity, and this motor places on the rotating component in addition, need to see through rotation contact (rotary join) and carry out electric power transfer, the as easy as rolling off a log fault that causes.

See also Chinese patent again No. 02232245.0, include following disappearance at least:

1, will make blade overturn in the face of wind direction, the initial driving force of its upset is very big, under low wind speed is to allow the blade upset, so the efficient of generating is very low;

2, there is no appropriate design on each blade structure, as minor flaps is set helps blade upset, so the initial driving force that blade overturns is very big.

So known wind generating technology is not attained as for ideal, the whence is that the inventor actively researches and develops thinking with great concentration, through contrived experiment many times, has caused generation of the present invention.

Summary of the invention

The object of the present invention is to provide a kind of windmill of cammingly automatically tracking wind direction, controllable blade is stirred angle and automatically easily in the face of wind direction, is accepted nondirectional wind energy, under low wind speed, drives rotating shaft and makes generator for electricity generation.

For reaching above-mentioned purpose, the present invention adopts following structure: a kind of windmill of cammingly automatically tracking wind direction includes: a generator; And a rotating shaft, be located on the generator; And at least one flabellum assembly, be located in the rotating shaft; One camshaft is set in the rotating shaft, and this camshaft is provided with cam part, and this cam part is provided with into the guide portion of reservation shape, and the flabellum assembly is established a flabellum bar at least to be pivoted a blade, and this flabellum bar is provided with a crank, and this crank contacts with guide portion.

Above-mentioned cam part includes first cam part, second cam part, and first cam part, second cam part form a guide groove for the crank importing between corresponding surface.

Be provided with body between above-mentioned camshaft and cam part, this first cam part, second cam part are connected with camshaft, body by fixed block respectively, body is provided with fluting in the fixed block place of wearing, and camshaft is moved up and down can drive first cam part to move up and down.

Above-mentioned cam part is provided with rake.

Above-mentioned blade is provided with the minor flaps with predetermined angle in book office.

Above-mentioned flabellum assembly comprises a framework, and this framework one side is provided with aerofoil profile portion.

Above-mentioned camshaft can be driven by a cam driving gear, and this cam driving gear includes: a camshaft is provided with a screw section; And a bearing, be screwed into for this screw section; And first motor, with the camshaft bridle joint.

Above-mentioned camshaft can be driven by a cam driving gear, and this cam driving gear includes: weathercock parts, be located in the rotating shaft and the top weathercock appears outside the rotating shaft; And a direction inductor, be located at the weathercock parts; And second motor, with the camshaft bridle joint, can be activated by direction inductor.

Come supporting revolving shaft with a support frame, it constitutes frame structure by several pillars.

Adopt said structure, the present invention utilizes the guide mechanism of cam, crank and aerodynamic force to control that blade stirs angle and automatically easily in the face of wind direction, mainly be that a camshaft is set in the rotating shaft, this camshaft is provided with cam part, cam part is provided with into the guide portion of reservation shape, and its first cam part, second cam part form a guide groove for the crank importing between corresponding surface.And the blade of flabellum assembly contacts with this guide portion with crank; When blade in wind-engaging, when leeward, it is by the drive of guide portion, and forms best pressured state and minimum windage state automatically, to receive the non-directional wind energy, by this can be under low wind speed, drive rotating shaft and rotate and make generator for electricity generation.

Below only by specific embodiment, and assistant is described in detail with accompanying drawing.

Description of drawings

Fig. 1 is a stereogram of the present invention;

Fig. 2 is the three-dimensional exploded view of flabellum assembly blade of the present invention;

Fig. 3, Fig. 4 are the stereogram of biopsy cavity marker devices of the present invention;

Fig. 5 is the stereogram of camshaft biopsy cavity marker devices of the present invention;

Fig. 6 is the stereogram of cam driving gear biopsy cavity marker devices of the present invention;

Fig. 7 is an action schematic representation of the present invention;

Fig. 8 is the sectional drawing at A-A of the present invention place;

Fig. 9 a, b, c upwards are turned into the action schematic representation of vertical configuration for the horizontal blade in B-B of the present invention place;

Figure 10 a, b, c are turned into horizontal action schematic representation for C-C of the present invention place vertical configuration blade;

Figure 11 is an action schematic representation of the present invention;

Figure 12 rotates the schematic representation that makes generator for electricity generation for rotating shaft of the present invention;

The schematic representation that Figure 13, Figure 14 move down first cam part for cam driving gear of the present invention;

Figure 15 moves down to adjust the schematic representation of blade flip angle for the present invention's first cam part.

The primary component symbol description

20 rotating shafts of 10 generators, 11,12 gears

21 camshafts, 211 screw sections, 22 bodies

221 flutings, 31 first cam parts, 32 second cam parts

311,321 guide portions, 312,322 rakes, 33 guide grooves

40 flabellum assemblies, 41 frameworks, 411 aerofoil profile portions

42 flabellum bars, 43 blades, 44 cranks

45 minor flaps, 50 cam driving gears, 51 weathercock parts

52 direction inductors, 53 bearings, 54 first motors

541,542 gears, 55 second motors, 551,552 gears

60 support frames, 61 pillars

Embodiment

See also Fig. 1 to shown in Figure 6, the present invention includes generator 10, rotating shaft 20, first cam part 31, second cam part 32, number flabellum assembly 40, cam driving gear 50 and support frame 60; Wherein the blade 43 of flabellum assembly 40 contacts with the guide portion 311,321 of crank 44 with first cam part 31, second cam part 32; When blade in wind-engaging, when leeward, form best pressured state and minimum windage state automatically easily respectively by the drive of guide portion 311,321, to receive the non-directional wind energy, reach best electricity generation efficiency.

Hereinafter will do detailed explanation with preferred embodiment:

Generator 10 can be converted to electric energy with the mechanical energy of rotating.

Rotating shaft 20 is with

gear

11,12 and generator 10 bridle joints, and its rotation can drive generator 10 generatings; Inside is provided with camshaft 21 and and is sheathed on camshaft 21 body 22 outward.

First cam part 31, second cam part about in the of 32 correspondence be sheathed on body 22, first cam part 31, second cam part 32 are connected with camshaft 21, body 22 by fixed block respectively, wherein body 22 is provided with fluting 221 in the fixed block place of wearing, and moves down suitable distance so that camshaft 21 can drive first cam part 31; First cam part 31, second cam part 32 just form a guide groove 33 between corresponding surface, and corresponding surface is provided with into the guide portion 311,321 of reservation shape, and this guide portion more is provided with rake 312,322.

Flabellum assembly 40 is that basic module is located at rotating shaft 20 with two layers up and down (one decks also can), and every layer becomes corresponding shape to be located at rotating shaft 20 2 sides, can cooperate landform and wind field, upwards superpose again to increase generated output, and it becomes staggered stacked shape, it is provided with framework 41, these framework 41 1 sides are provided with aerofoil profile portion 411, can reduce windage, this framework 41 is provided with several and articulates shape flabellum bar 42, and this flabellum bar 42 is provided with blade 43, and an end is provided with a crank 44, these crank 44 ends are inserted into guide groove 33, and contact with guide portion 311,321; Blade 43 is provided with a minor flaps 45 in the inboard, can assemble the blast of incision.

Cam driving gear 50 includes: one is located in the rotating shaft 20 and the top weathercock appears the outer weathercock parts 51 of rotating shaft 20; And be located at the direction inductor 52 of weathercock parts 51 belows; Reach a bearing 53 that supplies screw section, camshaft 21 below 211 to be screwed into; Reach first motor 54, second motor 55, wherein first motor, 54 mat gears 541,542 drive the camshaft 21 with screw section 211 and produce axial motion, second motor, 55 mat gears 551,552 are to drive body 22 and camshaft 21 cooperation weathercock directions rotations, and second motor 55 can be activated by direction inductor 52 when weathercock parts 51 wind-engagings turn to an orientation angle.

It constitutes multi-lamellar frame structure by several pillars 61 support frame 60, in order to supporting revolving shaft 20.

See also Fig. 7, shown in Figure 8, the present invention is when wind-engaging (arrow representative wind direction), earlier drive first cam part 31 by weathercock parts 51 indicated directions, second cam part 32 is positioned at the precalculated position, so that aiming at wind direction, blade 43 stirs, the blade 43 of scheming flabellum assembly 40 1 sides at the middle and upper levels is because of

first cam part

31,32 guidings of second cam part and aerodynamic force effect are turned into vertical configuration automatically, this vertical configuration blade 43 must have maximum wind pressure, the blade 43 of opposite side provides the initial angle of stirring because of guide portion 311 guidings of first cam part 31, and be turned into the horizontal minimum windage state that becomes on the blade 43 automatically because of blast acts on, make flabellum assembly 40 towards rotation counterclockwise to promote rotating shaft 20; This moment, lower floor's flabellum assembly 40 became parallel with wind direction, and it loses blast (running out of steam), and 43 one-tenth in the blade of one side is horizontal, prepared to accept aerodynamic force and was turned into vertical configuration.

See also shown in Figure 9, continue on drawing 7, the upper strata, the flabellum assembly 40 of lower floor continues when counterclockwise rotating, this moment, its crank 44 of horizontal blade 43 (43 one-tenth vertical configurations of flabellum assembly 40 opposite side blades) of lower floor's flabellum assembly 40 wind-engagings moved to second cam part, 32 rakes, 322 places thereupon, be subjected to the effect of the guiding promotion of second cam part, 32 rakes 322, and the variation that produces start angle, after angle changes, because of blade 43 bears blast and then upwards upset easily automatically, when can fastening when being turned near vertical configuration at the guide portion 311 of first cam part 31, number blades 43 stop upset automatically, this moment, the vertical surface of number blade 43 formation can become a best wind-receiving face, to promote rotating shaft 20.

See also shown in Figure 10, continue on drawing 7, when lower floor's horizontal blade 43 of flabellum assembly 40 1 sides of wind-engaging is turned into vertical surface, the blade 43 of the former XianCheng of flabellum assembly 40 opposite sides vertical configuration begins into leeward state, its crank 44 moves to first cam part, 31 rakes, 312 places, and the guiding that is subjected to first cam part, 31 rakes 312 promotes, and the variation that produces angle, and then it is horizontal to make that vertical configuration blade 43 is turned into automatically easily, becomes minimum windage state.

See also Figure 11, shown in Figure 12, when lower floor's flabellum assembly 40 1 side vertical configuration blades were subjected to maximum wind pressure, lower floor's horizontal blade of flabellum assembly 40 1 sides was leeward state, can form minimum windage state; This moment, upper strata flabellum assembly 40 became parallel with wind direction, it loses blast (running out of steam), and lower floor's flabellum assembly 40 is accepted the rotating power of upper strata flabellum assembly 40, so promptly can receive the non-directional wind energy, by this can be under less wind speed, drive rotating shaft 20 and make generator 10 generatings, reach best electricity generation efficiency.

See also Figure 13, Figure 14, shown in Figure 15, but first motor, 54 driven gears 541,542 of the present invention's mat cam driving gear 50 rotate, driving screw section 211 moves up and down in bearing 53, make first cam part 31 move down suitable distance, and then guide groove 33 is diminished, so blade 43 resupinate angles are diminished, when wind speed is excessive, can the blast pressure release be adjusted, with the destruction of avoiding excessive blast to be caused by adjusting blade 43 flip angles.

More than for this case for embodiment, only establish for ease of explanation, when the meaning that can not limit this case with this, promptly the various shift design of doing according to listed claim generally all should be included in the claim of this case.

Claims

1, a kind of windmill of cammingly automatically tracking wind direction includes:

One generator; And

One rotating shaft is located on the generator; And

At least one flabellum assembly is located in the rotating shaft;

It is characterized in that: a camshaft is set in the rotating shaft, this camshaft is provided with cam part, and this cam part is provided with into the guide portion of reservation shape, and the flabellum assembly is established a flabellum bar at least to be pivoted a blade, this flabellum bar is provided with a crank, and this crank contacts with guide portion.

2, the windmill of cammingly automatically tracking wind direction as claimed in claim 1 is characterized in that: cam part includes first cam part, second cam part, and first cam part, second cam part form a guide groove for the crank importing between corresponding surface.

3, the windmill of cammingly automatically tracking wind direction as claimed in claim 2, it is characterized in that: be provided with body between cam part and camshaft, this first cam part, second cam part are connected with camshaft, body by fixed block respectively, body is provided with fluting in the fixed block place of wearing, and camshaft moves up and down and can drive first cam part and move up and down.

4, the windmill of cammingly automatically tracking wind direction as claimed in claim 1, it is characterized in that: cam part is provided with rake.

5, the windmill of cammingly automatically tracking wind direction as claimed in claim 1 is characterized in that: blade is provided with the minor flaps with predetermined angle in book office.

6, the windmill of cammingly automatically tracking wind direction as claimed in claim 1 is characterized in that: the flabellum assembly comprises a framework, and this framework one side is provided with aerofoil profile portion.

7, the windmill of cammingly automatically tracking wind direction as claimed in claim 1 is characterized in that: camshaft can be driven by a cam driving gear, and this cam driving gear includes: a camshaft is provided with a screw section; And a bearing, be screwed into for this screw section; And first motor, with the camshaft bridle joint.

8, the windmill of cammingly automatically tracking wind direction as claimed in claim 1 is characterized in that: camshaft can be driven by a cam driving gear, and this cam driving gear includes: weathercock parts, be located in the rotating shaft and the top weathercock appears outside the rotating shaft; And a direction inductor, be located at the weathercock parts; And second motor, with the camshaft bridle joint, can be activated by direction inductor.

9, the windmill of cammingly automatically tracking wind direction as claimed in claim 1 is characterized in that: come supporting revolving shaft with a support frame, it constitutes frame structure by several pillars.