CN102364092B - Vertical axis wind power generation system and fan blade angle automatic regulation device thereof - Google Patents
Vertical axis wind power generation system and fan blade angle automatic regulation device thereof Download PDFInfo
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Abstract
The invention relates to a vertical axis wind power generation system and a fan blade angle automatic regulation device thereof. The system comprises the fan blade angle automatic regulation device, wherein the outside of a rotating frame is pivoted with the back faces of fan blades; the inside of the rotating frame is connected on a fan blade supporting disk of the vertical axis wind power generation system; the rotating frame rotates along with the rotation of the fan blade supporting disk; a power device is associated with the lower end of a directional shaft to drive the directional shaft to rotate; a rotary crankshaft is associated with the upper end of the directional shaft and can synchronously rotate along with the directional shaft; an eccentric shaft is arranged at the eccentric position of the rotary crankshaft; an eccentric disc is sleeved on the eccentric shaft and can rotate by taking the eccentric shaft as a central shaft; the outer ends of fan blade pull rods are rotatablely connected with the fan blades; the inner ends of the fan blade pull rods are rotatablely connected with the eccentric disc; a windward angle of the fan blades is automatically regulated by a mechanical structure formed by the rotating frame, the fan blade pull rods, the fan blades and the like; when the power device actuates to ensure the directional shaft to be associated with the wind direction, the fan blades can rotate along with the wind so as to regulate a windward side to the optimal position.
Description
The application be claimant on January 14th, 2010 submit, the dividing an application of application for a patent for invention that application number is " 201010022775.0 ", that denomination of invention is " vertical axis wind power generation system and automatic vane regulating device thereof ".
Technical field
The present invention relates to a kind of vertical axis wind power generation system and automatic vane regulating device thereof.
Background technique
Publication number is that the Chinese patent application of CN1858438 discloses a kind of vertical axis wind power generation system, it is provided with axle at fan blade gyration center, fan blade comes back rotation to form wind wheel around this axle on support, angular range when fan blade carrys out back rotation on support determined by automatic controlling system blade rotating angle, and blade obtains the blade rotating angle of corresponding optimum in different positions.
But which kind of no matter takes change the method for blade rotating angle, can have following defect.
Defect is that corner vane is being met face with the wind, and corner vane can not become 90 degree with wind direction, cannot make the best windward by blade, is meeting adverse wind face, and corner vane can not become 0 degree with wind direction, thereby cannot make full use of wind energy.
Publication number is that the Chinese patent application of CN101260865 has proposed self-regulating angle windward blades, utilizes blade rotary axle directly with gear, to be meshed or chain transmission with main shaft.Blade forwards best upwind position to.
But there is defect: because the transmission of main shaft and blade is to be meshed or chain direct-drive by gear, can make like this blade overload of power when rotating, cannot make full use of wind energy, also be unfavorable for the commercial development of product.
What publication number was that the Chinese patent application of CN200996359 adopts the angle regulator of blade is hydraulic pressure installation, as accessories such as oil hydraulic pump, hydraulic jack, hydraulic control valve and hydraulic accumulators, control horizontal and vertical the stretching of blade, make blade forward best windward side to, make full use of wind energy.
But there is defect: employing be hydraulic pressure installation, as accessories such as oil hydraulic pump, hydraulic jack, hydraulic control valve and hydraulic accumulators, control that blade is flexible to be turned to, increase system controller, the power consumption of its device own just reduces generating efficiency greatly.
Summary of the invention
The object of this invention is to provide vertical axis wind power generation system and automatic vane regulating device thereof that a kind of fan blade regulates windward side automatically, it can will regulate fan blade windward side angle with the wind and automatically by linkage mechanism.
For realizing aforementioned object, the automatic vane regulating device of vertical axis wind power generation system of the present invention, feature is, comprise: swivel mount, outside is for the back side pivot joint with fan blade, inner side is for connecting the fan blade supporting disk of vertical axis wind power generation system, and the input shaft of the relative vertical axis wind power generation system of this fan blade supporting disk is rotatable; Orientation axes; Power plant, are associated with the lower end of orientation axes, to drive orientation axes to rotate; Revolution bent axle, is associated with the upper end of orientation axes, can synchronize and rotate with orientation axes; Eccentric shaft, is arranged on the eccentric position that turns round bent axle; Eccentric disc, is sleeved on eccentric shaft, can eccentric shaft centered by axle rotate; And fan blade pull bar, outer end is for being connected rotationally with fan blade, and the inner is connected rotationally with eccentric disc.
Power plant drive orientation axes, orientation axes drives revolution bent axle, revolution bent axle drives eccentric shaft, power plant drive the mode of orientation axes to be associated with wind direction, swivel mount, fan blade pull bar, fan blade etc. form quadratic crank mechanism, can adjust the rotation angle of fan blade in the turning course of input shaft axle center by this quadratic crank mechanism, and the power of quadratic crank mechanism come from fan blade, once wind-force acts on fan blade, fan blade will be adjusted Windward angle automatically.
Described automatic vane regulating device, its further feature is, also comprise flow direction vane, power plant configurations has control gear, control gear is electrically connected to sensor cluster, sensor cluster is for detection of the deflection angle of flow direction vane and to control gear, transmit wind direction signals accordingly, and control gear is controlled the motion of power plant according to the wind direction of sensor cluster transmission, so that the rotation of orientation axes and the rotation of wind direction are associated.Power plant are controlled according to the wind direction signals of sensor passes by control gear, thereby quadratic crank mechanism is associated the adjustment of fan blade Windward angle and wind direction, by flow direction vane rather than wind rudder, measure wind speed, can will make the deflection angle of fan blade more accurate.
Described automatic vane regulating device, its further feature is, also comprise anemoscope, sensor cluster is also for detection of the rotational velocity of anemoscope and accordingly to control gear transmission wind velocity signal, control gear is also controlled the motion of power plant according to the wind velocity signal of sensor cluster transmission, so that the rotation of orientation axes and the rotation of wind direction are associated.Power plant are also controlled according to the wind velocity signal of sensor cluster transmission by control gear, thereby can more accurately the change of fan blade box haul be adjusted to the right place.
Described automatic vane regulating device, its further feature is, orientation axes is arranged in the axis hole of described input shaft rotationally, revolution bent axle is fixed on the upper end of orientation axes, power plant are micromachines, power plant are connected with retarder, and this retarder is connected with orientation axes by coupling.Orientation axes, in the axis hole of input shaft, makes whole apparatus structure compact.
For realizing described object, vertical axis wind power generation system of the present invention, comprise input shaft, fan blade and fan blade supporting disk, the input shaft of the relative vertical axis wind power generation system of fan blade supporting disk arranges rotationally, it is characterized in that, also comprise automatic vane regulating device, this automatic vane regulating device comprises: swivel mount, outside and the back side pivot joint of fan blade, inner side is connected on the fan blade supporting disk of vertical axis wind power generation system and rotates with the rotation of fan blade supporting disk; Orientation axes; Power plant, are associated with the lower end of orientation axes, to drive orientation axes to rotate; Revolution bent axle, is associated with the upper end of orientation axes, can synchronize and rotate with orientation axes; Eccentric shaft, is arranged on the eccentric position that turns round bent axle; Eccentric disc, is sleeved on eccentric shaft, can eccentric shaft centered by axle rotate; And fan blade pull bar, outer end is connected rotationally with fan blade, and the inner is connected rotationally with eccentric disc.
Power plant drive orientation axes, orientation axes drives revolution bent axle, revolution bent axle drives eccentric shaft, power plant drive the mode of orientation axes to be associated with wind direction, swivel mount, fan blade pull bar, fan blades etc. form quadratic crank mechanism, can adjust the rotation angle of fan blade in the turning course of input shaft axle center by this quadratic crank mechanism, the power of quadratic crank mechanism comes from the effect of wind-force to fan blade, once wind-force acts on fan blade, fan blade will be adjusted Windward angle automatically, fan blade axle revolution centered by input shaft on one side, rotation under the effect of quadratic crank mechanism on one side, therefore can realize and with the wind time, tune up windward side, and when contrary wind, turn windward side down.
Described vertical axis wind power generation system, its further feature is, also comprise flow direction vane, power plant configurations has control gear, control gear is electrically connected to sensor cluster, sensor cluster is for detection of the deflection angle of flow direction vane and to control gear, transmit wind direction signals accordingly, and control gear is controlled the motion of power plant according to the wind direction of sensor cluster transmission, so that the rotation of orientation axes and the rotation of wind direction are associated.
Described vertical axis wind power generation system, its further feature is, also comprise anemoscope, sensor cluster is also for detection of the rotational velocity of anemoscope and accordingly to control gear transmission wind velocity signal, control gear is also controlled the motion of power plant according to the wind velocity signal of sensor cluster transmission, so that the rotation of orientation axes and the rotation of wind direction are associated.
Described vertical axis wind power generation system, its further feature is, orientation axes is arranged in the axis hole of described input shaft rotationally, revolution bent axle is fixed on the upper end of orientation axes, power plant are micromachines, power plant are connected with retarder, and this retarder is connected with the lower end of orientation axes by coupling.
By wind speed and direction, control the rotation of orientation axes, can accurately on schedule the rotation of orientation axes be associated with the variation of wind direction.
Described vertical axis wind power generation system, its further feature is, the eccentric direction of eccentric shaft on revolution bent axle is perpendicular to wind direction, under the acting in conjunction of fan blade pull bar and swivel mount, fan blade has maximum upwind position and minimum upwind position in the rotating process of the central axis around input shaft, and in maximum upwind position, the windward side of fan blade vertically windward, in minimum upwind position, the windward side of fan blade is parallel to wind direction; In the course of the work, fan blade reaches minimum upwind position from maximum upwind position turns over 180 degree, and fan blade reaches maximum upwind position from minimum upwind position turns over 180 degree with the wind.
Described vertical axis wind power generation system, its further feature is that described retarder is worm type of reduction gearing.
When wind direction, fan blade is 0 degree at the eccentric direction of eccentric shaft, and now fan blade windward side vertically windward, makes fan blade windward side be subject to wind-force maximum; When wind direction constant (power plant or motor are without action), fan blade rotates to 90 degree positions around input shaft, now the windward side of fan blade (certainly turning to 90 degree) is subject to wind-force minimum, realized the function of automatic adjustment fan blade angle, and fan blade regulates windward side automatically, make full use of most possibly wind energy resources, both made very small wind also can promote fan blade and started; Made up that wind-power electricity generation is confidential just can reach designed rated power when wind speed is larger; Greatly improve wind turbine equipment utilization ratio, reduce the idle of wind turbine equipment.
Accompanying drawing explanation
Fig. 1 to Fig. 6 is the schematic diagram of the structure of the first embodiment of the present invention, wherein:
Fig. 1 is the schematic perspective view that fan blade of the present invention regulates the vertical axis wind power generation system of windward side automatically;
Fig. 2 be fan blade in vertically-supplying air to and to face upward to upper angle be the schematic perspective view of 0.01-85 degree;
Fig. 3 is the steering position schematic diagram that fan blade pull bar pulls fan blade, the schematic diagram that wherein (a) is initial position, (b) for turning over the position view of 90 degree, (c) for turning over the position view of 180 degree, (d) for turning over the position view of 270 degree;
Fig. 4 is the schematic perspective view of eccentric crankshaft;
Fig. 5 is the structural representation of gear and input shaft;
Fig. 6 is the local enlarged diagram at A place in Fig. 5.
The schematic diagram of the structure that Fig. 7 is the second embodiment of the present invention to Fig. 8, wherein:
The structural representation of Tu7Wei wind direction tracking mechanism;
Fig. 8 is the schematic perspective view that is equipped with the device of wind direction tracking shown in Fig. 7 vertical shaft wind power generator apparatus.
Embodiment
The first embodiment
As shown in Fig. 1, Fig. 5 and Fig. 6, fan blade of the present invention regulates the vertical axis wind power generation system of windward side to comprise the driving mechanism between a plurality of fan blades 1, swivel mount 4, fan blade supporting disk 5, vertical generator input shaft 11, fan blade supporting disk 5 and input shaft 11 automatically.
As shown in Figure 5, fan blade 1 back side is provided with upper and lower fixed support 2a, 2b, upper and lower fixed support 2a, the 2b pivot joint at the outside of swivel mount 4 and fan blade 1 back side (are joined with pivot, the two can relatively rotate by axle centered by this pivot, or its equivalent modifications) or be hinged in other words and can connect rotationally around an axis, fan blade 1 can upper and lower fixed support 2a, 2b and the line at the place of being hinged of swivel mount 4 be axle center rotation, the inner side of swivel mount 4 is fixed on supporting disk 5.The upper end, the back side of fan blade 1 is provided with the support arm 3 of a little higher than upper fixed support 2, and the outer end of fan blade pull bar 6 and support arm 3 are hinged.
As shown in Figure 6, the inner of fan blade pull bar 6 and eccentric land 13 are hinged, and eccentric land 13 is sleeved on the eccentric shaft 16 of bent axle 12 rotationally.Simultaneously with reference to Fig. 4, bent axle 12 is arranged on input shaft 11 upper ends by bearing, the upper end of eccentric shaft 16 is fixed with wind rudder 15, the rotating center of wind rudder 15 and the same axle center of bent axle 12 are (in the present embodiment, be the axle center of input shaft 11), the direction windward of wind rudder 15 is vertical with the eccentric direction of eccentric shaft 16 (being the axial of bent axle 12).
Be appreciated that, the angle automatic regulation mechanism of fan blade mainly comprises swivel mount 4, fan blade pull bar 6, bent axle 12, eccentric shaft 16, eccentric land 13 and wind rudder 15.
Continuation is with reference to Fig. 6, and the driving mechanism between fan blade supporting disk 5 and input shaft 11 comprises fan blade gear 7, the first carrier gear 8, the second carrier gear 9 and input shaft gear 10.Supporting disk 5 is fixedly connected with fan blade gear 7, fan blade gear 7 is contained on input shaft 11 by bearing 14 concentric locking collars, fan blade gear 7 and the first carrier gear 8 engagements, the first carrier gear 8 is with the second same axle center of carrier gear 9 and be fixedly connected with, the second carrier gear 9 and input shaft gear 10 engagements, input shaft gear 10 is coaxially fixed on input shaft 11.
The velocity ratio of said gear driving mechanism 2: 1 or 3: 1, velocity ratio can be determined according to the requirement of local wind field environment, and velocity ratio can improve wind-driven generator rotating speed in 2: 1 or 3: 1.Velocity ratio makes gentle breeze can start wind-driven generator for 1: 2 or 1: 3.Said gear driving mechanism, also can be substituted by belt transmission and sprocket driving.
Fan blade of the present invention regulates windward side vertical axis wind power generation system automatically, also can by fan blade supporting disk 5, be directly coaxially fixed on input shaft 11 without driving mechanism, synchronously rotates.
Fan blade of the present invention regulates the drive manner of vertical axis wind power generation system of windward side as follows automatically:
Simultaneously, with reference to Fig. 5,6 and Fig. 3, upper and lower fixed support 2a, the 2b at fan blade 1 back side are connected with the outside of swivel mount 4, and fan blade 1 can freely be rotated on swivel mount 4.The support arm 3 of fan blade 1 upper end, the back side rotates around eccentric shaft 16 by fan blade pull bar 6 and eccentric land 13.As shown in Figure 1, when fan blade 1 is when with the equidirectional position of bias, support arm 3 from the axle center of input shaft 11 farthest, and make fan blade 1 windward side vertical with wind direction b, fan blade 1 is along direction C rotation (revolution), in Fig. 1, in order to strengthen structural strength, each swivel mount 4 is linked together by strut 17.When fan blade 1 is in bias in the other direction during position, support arm 3 is nearest from the axle center of input shaft 11, and makes fan blade 1 windward side turn to 90 degree windward.As shown in (a) in Fig. 3-(c), when wind is determined wind rudder 15 direction, eccentric shaft 16 is made as 0 degree with the Vertical direction of wind rudder 15, and fan blade 1 is 0 degree at the eccentric direction of eccentric shaft 16, now fan blade 1 windward side vertically windward, makes fan blade 1 windward side be subject to wind-force maximum.When eccentric shaft 16 is constant with the direction of wind rudder 15, fan blade 1 rotates to 180 degree positions around input shaft 11, and now the windward side of fan blade 1 (certainly turning to 90 degree) is subject to wind-force minimum.
As shown in Figure 2, fan blade 1 not only can vertically arrange can also in vertically-supplying air to and the upwards angle beta of facing upward be 0.01-85 degree.
The second embodiment
The first embodiment's fan blade angle automatic adjusting mechanism Shortcomings part: corner vane is when meeting with the wind face, because the fan blade pull bar on corner vane has less thrust to eccentric disc, at this moment wind rudder can be partial to wind direction, cannot make the best windward by blade, meeting adverse wind face, corner vane can not become 0 degree with wind direction, thereby cannot make full use of wind energy.In addition, if want wind rudder not to be partial to wind direction, have wind rudder to make very large, this is unfavorable for medium above wind generating unit development, is also unfavorable for the commercial development of product.
The second embodiment changes fan blade angle automatic adjusting mechanism on the first embodiment's basis, has cancelled wind rudder.As shown in Figure 7, fan blade angle automatic regulating apparatus comprises motor 100, orientation axes 180, revolution bent axle 190, eccentric shaft 110, eccentric disc 111, certainly also the same with the first embodiment, comprise fan blade pull bar and swivel mount, too, the inner of fan blade pull bar is connected on eccentric disc 111 and outer end is the same with the first embodiment is connected on fan blade for the setting of swivel mount and the first embodiment.
Continuation is with reference to Fig. 7, (miniature) motor 100 connection reducers 120, retarder 120 connects coupling 140, and coupling 140 connects directed rotating shaft 180, and directed rotating shaft 180 is arranged on rotationally by bearing 150 in the axis hole of power input shaft 170 of vertical axis aerogenerator.Motor 100 and retarder 120 are supported on the below of input shaft 170 by supporting frame 130, the upper end of orientation axes 180 is fixedly connected with revolution bent axle 190, the eccentric position of revolution bent axle 190 is provided with eccentric shaft 110 regularly, is provided with rotationally eccentric disc 111 on eccentric shaft 110.Eccentric disc 111 is to take eccentric shaft 110 as pivot rotation, eccentric shaft 110 is that axle rotates centered by orientation axes 180, during motor 100 work, the outputting power of motor 100 is delivered to coupling 140, orientation axes 180 after increasing square by retarder 120 decelerations, thereby order about orientation axes 180, in the axis hole of input shaft 170, rotates.
With reference to Fig. 8, different from the first embodiment, the inner of fan blade pull bar 6 is connected on the eccentric disc 111 in Fig. 7 simultaneously.The same with the first embodiment, the outer end of swivel mount 4 connects fan blade 1 and the inner is connected on fan blade supporting disk.
As shown in Figure 8, the arrow 200 (can be virtual) being fixed on eccentric shaft 110 of take is wind direction reference, ground the same with the first embodiment (can with reference to Fig. 3), when the eccentric direction of eccentric shaft 110 (being the setting position of eccentric shaft 110 on revolution bent axle 190 direction definite with the line at revolution bent axle 190 center) is vertical with wind direction, fan blade windward side vertically windward, makes fan blade windward side be subject to wind-force maximum; When wind direction is constant, fan blade turns over 180 degree positions around input shaft, the windward side of fan blade and the angle of wind direction diminish gradually, and when turning over 180 degree position, the windward side of fan blade is parallel with wind direction, and now the windward side of fan blade is subject to wind-force minimum, has realized the function of automatic adjustment fan blade angle, and fan blade regulates windward side automatically, make full use of most possibly wind energy resources.
If wind direction has change, can control eccentric shaft by the rotation of Electric Machine Control orientation axes and carry out conforming rotation (being that its eccentric position is vertical with wind direction all the time) with wind direction, and the rotation that the amounts of rotation of Electric Machine Control orientation axes 180 can detect flow direction vane 112 by sensor cluster 115 is determined, the rotation that the rotating speed of Electric Machine Control orientation axes 180 can detect anemoscope 113 by sensor cluster 115 is determined, thereby can accurately determine wind direction, and and then accurately regulate the angle of fan blade.Retarder 120 can be worm type of reduction gearing, also can be gear reducer, by reduction speed ratio is set, can be so that be single-direction transmission from motor 100, retarder 120, coupling 140, orientation axes 180 to the transmission of revolution bent axle 190, because because fan blade corrective action is not enough to drive retarder 120 in the external force of bent axle 190.If retarder 120 worm and gears slow down, in the drawings, motor is that level is horizontal, and orientation axes is with the worm-wheel shaft of worm and gear to concentric, and worm-wheel shaft is to being arranged at an angle of 90 with motor shaft.
Above-described embodiment is just used for illustrating, also how non-limiting the present invention implements.Those skilled in the art also can make many changes in the situation that not departing from the scope of protection of present invention, for example, except deciding by sensor orientation axes direction, also can control turning to or rotating of orientation axes by manual power switch.Therefore, the claimed technological scheme of the present invention should be limited by attached claims.
Claims (2)
1. an automatic vane regulating device for vertical axis wind power generation system, is characterized in that, comprising:
Swivel mount, outside is for the back side pivot joint with fan blade, and inner side is for connecting the fan blade supporting disk of vertical axis wind power generation system, and the input shaft of the relative vertical axis wind power generation system of this fan blade supporting disk is rotatable;
Orientation axes;
Power plant, are associated with the lower end of orientation axes, to drive orientation axes to rotate;
Revolution bent axle, is associated with the upper end of orientation axes, can synchronize and rotate with orientation axes;
Eccentric shaft, is arranged on the eccentric position that turns round bent axle;
Eccentric disc, is sleeved on eccentric shaft, can eccentric shaft centered by axle rotate;
Fan blade pull bar, outer end is for being connected rotationally with fan blade, and the inner is connected rotationally with eccentric disc;
Anemoscope, power plant configurations has control gear, control gear is electrically connected to sensor cluster, sensor cluster is for detection of the rotational velocity of anemoscope and to control gear, transmit wind velocity signal accordingly, control gear is also controlled the motion of power plant according to the wind velocity signal of sensor cluster transmission, so that the rotation of orientation axes and the rotation of anemoscope are associated;
Flow direction vane, described sensor cluster is also for detection of the deflection angle of flow direction vane and accordingly to control gear transmission wind direction signals, control gear is controlled the motion of power plant according to the wind direction signals of sensor cluster transmission, so that the rotation of orientation axes and the rotation of flow direction vane are associated;
Described power plant are micromachines, and power plant are connected with retarder, and this retarder is connected with orientation axes by coupling.
2. automatic vane regulating device as claimed in claim 1, is characterized in that, orientation axes is arranged in the axis hole of described input shaft rotationally, and revolution bent axle is fixed on the upper end of orientation axes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110317293.2A CN102364092B (en) | 2010-01-14 | 2010-01-14 | Vertical axis wind power generation system and fan blade angle automatic regulation device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110317293.2A CN102364092B (en) | 2010-01-14 | 2010-01-14 | Vertical axis wind power generation system and fan blade angle automatic regulation device thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010022775 Division CN101761449B (en) | 2010-01-14 | 2010-01-14 | Vertical shaft wind power generating system and automatic vane regulating device thereof |
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| CN102364092A CN102364092A (en) | 2012-02-29 |
| CN102364092B true CN102364092B (en) | 2014-04-02 |
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| CN111486052B (en) * | 2020-05-21 | 2024-09-06 | 安徽康迪纳电力科技有限责任公司 | Adjusting device for follow-up angle of windmill blade plate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6884020B2 (en) * | 1999-01-06 | 2005-04-26 | Water Power Industries As | Turbine driven with a fluid medium |
| CN101608601A (en) * | 2009-07-23 | 2009-12-23 | 上海凡鸿环保科技发展有限公司 | Wind power generating set with vertical shaft and fan blade angle automatic regulation mechanism thereof |
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- 2010-01-14 CN CN201110317293.2A patent/CN102364092B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6884020B2 (en) * | 1999-01-06 | 2005-04-26 | Water Power Industries As | Turbine driven with a fluid medium |
| CN101608601A (en) * | 2009-07-23 | 2009-12-23 | 上海凡鸿环保科技发展有限公司 | Wind power generating set with vertical shaft and fan blade angle automatic regulation mechanism thereof |
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