CN201526420U - Horizontal-paddle vertical-shaft wind-driven generator - Google Patents
Horizontal-paddle vertical-shaft wind-driven generator Download PDFInfo
- Publication number
- CN201526420U CN201526420U CN2009202466693U CN200920246669U CN201526420U CN 201526420 U CN201526420 U CN 201526420U CN 2009202466693 U CN2009202466693 U CN 2009202466693U CN 200920246669 U CN200920246669 U CN 200920246669U CN 201526420 U CN201526420 U CN 201526420U
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- generator
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- gear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a horizontal-paddle vertical-shaft wind-driven generator which is characterized in that by providing the generator with a reverse magnetic resistance moment, the power consumed by the generator is greatly increased, and the consumed power of the generator is greater than the output power of a wind wheel, a main shaft of the generator generates a moment opposite to the original rotating direction, and a blade breaks through a windward state to deviate and lead the rotating speed of the wind wheel to be reduced. The horizontal-paddle vertical-shaft wind-driven generator only retains two rotating parts of a wind wheel driving shaft and the generator main shaft, and the generator shaft is simultaneously a yaw axis, so that the horizontal-paddle vertical-shaft wind-driven generator reduces motion parts, decreases the mechanical fault rate, has the characteristics of reliable running and lower fault rate, and is high in whole running stability and long in service life.
Description
Technical field
The utility model relates to a kind of wind-driven generator, particularly a kind of horizontal-paddle vertical-shaft aerogenerator.
Background technique
In decades, international small-sized wind power generator technology has had very big development, and industry development has also obtained certain achievement, but basically, integrity problem never is resolved.For a long time; for the consideration on the cost; advanced hydraulic control technology does not adopt on the speed-limiting protection of small-sized wind power generator, just according to aerodynamic principle, adopts simple mechanical control method that small-sized wind power generator is carried out speed-limiting protection under the strong wind state.The characteristics of machinery speed-limitation structure are the head of small-sized wind power generator or the state that certain parts is in dynamic support, this structure is under the condition of wind tunnel test, can reflect good speed limit characteristic, but under field conditions (factors), because the variation of wind speed and direction is too complicated, and physical environment is abominable, and the dynamic support parts of small-sized wind power generator inevitably can be introduced the damage of vibration and movable part, thereby unit is damaged.
At present best small-sized wind power generator has only kept three moving elements (moving element few more reliable more be everybody common recognition); the one, wind wheel drives the generator shaft rotation; the 2nd, empennage drives the head driftage of wind-driven generator, and the 3rd, the moving element of establishing for the strong wind speed-limiting protection.Preceding two moving elements are indispensable, and this also is the basis of wind-driven generator, and these two moving element rate of fault are not high in the practice, mainly are that the situation of speed-limiting protection mechanism damage is many.The integrity problem that will thoroughly solve small-sized wind power generator must have best solution on the speed limit mode.Traditional wind is made up of fan blade (movable body), generator, solid of rotation (movable body), slip ring, folding tailing axle (movable body), empennage and column.In order to make wind-driven generator under big wind speed, realize the protection of folding tail, the design of centre of gravity of generator in the side of column center of gravity, is convenient to roll over automatically tail and is just returned.The generator of this structure rotates with solid of rotation, in order to prevent generator output line and column snarl, is provided with the slip ring structure.The slip ring structure is made up of collector ring, carbon brush, carbon brush support.The output line of generator is received above the carbon brush, by carbon brush sliding contact on collector ring, the output of generator is transferred on the power line that is fixed on the column.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of horizontal-paddle vertical-shaft aerogenerator, low, the stable and reliable operation of its rate of fault, exceeding load at generated output power can be by to reverse magnetic resistance moment of generator when needing, increase considerably the power that generator consumes, the power that the power that generator is consumed is exported greater than wind wheel, generator shaft produces the moment opposite with former sense of rotation, fan blade is broken original front and is facingd the wind state and depart from, and wind speed round is descended.
The utility model is to constitute like this: comprise fan blade, empennage, generator and column, also comprise gear-box, intermeshing commutating tooth wheels are housed in gear-box, and one of them tumbler gear is fixedly connected on the wind wheel live axle, and another tumbler gear is fixedly connected on the generator shaft.
Be connected the tumbler gear and the below engagement that is connected the tumbler gear on the wind wheel live axle of generator shaft, the torque of wind wheel live axle can be sent on the generator shaft like this; Find in the experiment: be connected the tumbler gear and the top engagement that is connected the tumbler gear on the wind wheel live axle of generator shaft, so also the torque of wind wheel live axle can be sent on the generator shaft; Before a kind of structure slightly complicated when product assembling and maintenance in the future, lubricating maintenance; Then a kind of structure since commutating tooth wheels position engaged height, distance to be in the distance in maintenance hole on blower fan top near, so convenient maintenance, use.
In the above-mentioned horizontal-paddle vertical-shaft aerogenerator, the center of gravity of generator and the center of gravity of column are on same vertical line.
In the aforesaid horizontal-paddle vertical-shaft aerogenerator, generator and column are directly fixing, the output line of generator directly be fixed on column on power line be connected.
In the aforesaid horizontal-paddle vertical-shaft aerogenerator, empennage is to be directly installed on the gear-box.
The beneficial effects of the utility model: compared with prior art, horizontal-paddle vertical-shaft aerogenerator of the present utility model has the following advantages: 1, only kept two rotating parts of wind wheel live axle and generator shaft, generator shaft is again a yaw axis simultaneously, reduced moving element, reduced failure rate of machinery, reliable, rate of fault is low.2, owing to do not need to roll over the tail speed limit, promptly do not need eccentric force, need not empennage folding tailing axle, therefore empennage is to be directly installed on the gear-box, the center of gravity of generator center of gravity and column is on same vertical line, eliminated the eccentric shake that causes like this, the operation stability and the working life of having improved complete machine.3, generator and column are directly fixing, need not solid of rotation; The output line of generator directly be fixed on column on power line be connected, need not the slip ring structure, exempted the wearing and tearing of contact and the fault that causes.4, adopt automatically controlled speed limit,, make fan blade break original front and facing the wind state and depart from, wind speed round is descended, thereby play the effect of protection wind-driven generator and charging equipment by giving reverse magnetic resistance moment of generator.Reverse magnetic resistance moment wherein is after generator coil and load constitute the loop, the resistance that produces between rotor and the stator.This moment size changes along with the variation of load.The means that automatically controlled speed limit adopts are many, the reliability height, and can realize steady control.
Description of drawings
Fig. 1 is a wind-driven generator structure schematic representation of the present utility model;
Fig. 2 is the internal structure schematic representation of gear-box.
Below in conjunction with the drawings and specific embodiments this product is further described.
Embodiment
Embodiment 1: as shown in Figure 1, comprise fan blade 1, empennage 2, generator 3 and column 4, cowling 10 is housed on fan blade 1, fan blade 1 is fixed on the front end of wind wheel live axle 8.Also comprise gear-box 5 (as shown in Figure 2), in gear-box 5, be equipped with intermeshing a pair of on tumbler gear 6 and following tumbler gear 7, last tumbler gear 6 is to be fixed on the rear end of wind wheel live axle 8 with nut (or bolt), following tumbler gear 7 is to be fixed on the generator shaft 9 with bolt (or nut), walking crosswise of fan blade 1 can be converted to the direct drawing generator 3 of vertical rotation by last tumbler gear 6 and following tumbler gear 7.Generator 3 is directly fixing with column 4, the output line of generator 3 directly be fixed on column 4 on power line be connected, and the center of gravity of the center of gravity of generator 3 and column 4 is on same vertical line.Empennage 2 is directly installed on the gear-box 5.
Among the embodiment: tumbler gear 7 can mesh with tumbler gear 6 below tumbler gear 6; Also can above tumbler gear 6, be engaged with.
Working principle of the present utility model: the wind-driven generator electricity can directly drive consumer or holds into battery pack under the normal condition, does not need it is controlled.When not needing wind energy or when wind-driven generator generates electricity head and shoulders above actual demand, giving reverse magnetic resistance moment of generator, increase considerably the power that generator consumes, make it power greater than wind wheel output, generator shaft (yaw axis) produces the moment opposite with former sense of rotation, break the positive state and departing from of facining the wind of original fan blade, wind speed round is descended.Owing to departing from of fan blade makes empennage also depart from wind direction to have increased Hui Zhengli, fan blade is pushed away to the windward side.Repeat said process and can be issued to the effect that reduces rotating speed, plays protection wind-driven generator and charging equipment in the effect of respective opposed electromagnetic torque.Oppositely the size of magnetic resistance moment is determined according to rated power, rated speed and the load electric weight demand of institute's use generator.With rated power is that 1000w, rated speed are that 420 wind-driven generators that change are example, and this generator will be exported the rated power of 1000w when 420 change.Suppose to exceed the load needs when generated output power surpasses 1250w, need to give the reverse magnetic resistance moment of a 22.73Nm of generator this moment, makes the fan blade windward side depart from prevailing wind direction, reduces the power coupling area, thereby reduce the output power of blower fan.In the last example, determine (generally according to load electric weight demand determine) according to actual conditions the opportunity that need provide reverse magnetic resistance moment, difference according to load electric weight demand, can be to provide reverse magnetic resistance moment when output power surpasses 1250w, also can be to provide reverse magnetic resistance moment when output power surpasses 1200w or surpasses 1300w.To having the wind-driven generator of different rated power and rated speed, the size of the reverse magnetic resistance moment that need provide when adopting method of the present invention to carry out speed limit is also different, generally speaking, blower fan output power * 9550/ rotating speed at that time that exceeds the reverse magnetic resistance moment that provides when load needs=at that time when the generator set output power.The voltage and the rotating speed of storage battery generally depended in the control of wind-driven generator in the practical application.In direct current 48V power supply system, when surpassing 53.5V, controller sampling battery tension opens PWM (pulsewidth modulation) control, and record generator speed at that time, intermittent type strengthens fictitious load, reverse magnetic resistance moment is increased, and the angle reaches a new equinoctial point thereby the change fan blade facings the wind.In this simultaneously controller detect the rotating speed of wind-driven generator, if rotating speed descends, then reach the control purpose, if rotating speed continues to rise, then need further to strengthen fictitious load, drop to up to rotating speed and be lower than PWM and start to control rotating speed 50 and change.
Claims (5)
1. horizontal-paddle vertical-shaft aerogenerator, comprise fan blade (1), empennage (2), generator (3) and column (4), it is characterized in that: also comprise gear-box (5), intermeshing tumbler gear (6) and tumbler gear (7) are housed in gear-box (5), tumbler gear (6) is fixedly connected on the wind wheel live axle (8), and tumbler gear (7) is fixedly connected on the generator shaft (9).
2. horizontal-paddle vertical-shaft aerogenerator according to claim 1 is characterized in that: the center of gravity of the center of gravity of described generator (3) and column (4) is on same vertical line.
3. horizontal-paddle vertical-shaft aerogenerator according to claim 1 and 2 is characterized in that: described generator (3) and column (4) are directly fixing, the output of generator (3) directly be fixed on column (4) on power line be connected.
4. horizontal-paddle vertical-shaft aerogenerator according to claim 1 is characterized in that: described empennage (2) is directly installed on the gear-box (5).
5. horizontal-paddle vertical-shaft aerogenerator according to claim 1 is characterized in that: tumbler gear (7) meshes with tumbler gear (6) in the below of tumbler gear (6) and tumbler gear (6) engagement or in the top of tumbler gear (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202466693U CN201526420U (en) | 2009-10-30 | 2009-10-30 | Horizontal-paddle vertical-shaft wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202466693U CN201526420U (en) | 2009-10-30 | 2009-10-30 | Horizontal-paddle vertical-shaft wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201526420U true CN201526420U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202466693U Expired - Fee Related CN201526420U (en) | 2009-10-30 | 2009-10-30 | Horizontal-paddle vertical-shaft wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201526420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103906919A (en) * | 2011-11-14 | 2014-07-02 | 日本电产株式会社 | Wind turbine device |
-
2009
- 2009-10-30 CN CN2009202466693U patent/CN201526420U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103906919A (en) * | 2011-11-14 | 2014-07-02 | 日本电产株式会社 | Wind turbine device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Horizontal-paddle vertical-shaft wind-driven generator Effective date of registration: 20110308 Granted publication date: 20100714 Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee Pledgor: Beijing Westleader Science & Technology Development Co., Ltd. Registration number: 2011990000070 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20120509 Granted publication date: 20100714 Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee Pledgor: Beijing Westleader Science & Technology Development Co., Ltd. Registration number: 2011990000070 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20111030 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20120509 Granted publication date: 20100714 Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee Pledgor: Beijing Westleader Science & Technology Development Co., Ltd. Registration number: 2011990000070 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model |