CN202417825U - Hurricane-resisting high-efficiency wind-driven generator - Google Patents
Hurricane-resisting high-efficiency wind-driven generator Download PDFInfo
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- CN202417825U CN202417825U CN2011205145009U CN201120514500U CN202417825U CN 202417825 U CN202417825 U CN 202417825U CN 2011205145009 U CN2011205145009 U CN 2011205145009U CN 201120514500 U CN201120514500 U CN 201120514500U CN 202417825 U CN202417825 U CN 202417825U
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- resistance
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
本实用新型提供一种抗飓风型高效风力发电机，包括有立式旋转主轴，阻力叶片、发电电机以及控制系统，发电电机与主轴轴向联接，其不同之处在于，所述阻力叶片活动安装在与立式旋转主轴垂直固连的水平转轴上，在绕立式旋转主轴旋转的同时还绕水平转轴转动。同时，通过对阻力叶片形状的巧妙设计以及伞形齿轮对的采用，使得叶片主要受力面始终保持在主轴的一侧，极大减小了叶片在阻力区域转动所引起的反向扭矩，减小了正向扭矩因克服风叶的反向扭矩而耗功，从而使得该风力机具有更大的扭矩和低风速启动性能，提高了转换效率，并可有效抵抗飓风所造成的损坏。
The utility model provides a hurricane-resistant high-efficiency wind power generator, which includes a vertical rotating main shaft, resistance blades, a generator motor and a control system, and the generator motor is axially connected to the main shaft. On the horizontal rotating shaft vertically fixedly connected with the vertical rotating main shaft, it also rotates around the horizontal rotating shaft while rotating around the vertical rotating main shaft. At the same time, through the ingenious design of the shape of the resistance blade and the adoption of the bevel gear pair, the main bearing surface of the blade is always kept on one side of the main shaft, which greatly reduces the reverse torque caused by the rotation of the blade in the resistance area. The positive torque is reduced to overcome the reverse torque of the blades, so that the wind turbine has greater torque and low wind speed start-up performance, improves conversion efficiency, and can effectively resist damage caused by hurricanes.
Description
Technical field
The present invention relates to the wind energy application, relate in particular to a kind of anti-hurricane type high-efficiency wind driven generator.
Background technique
At present the wind energy conversion system of used for wind power generation mainly is divided into two types of vertical-shaft wind-power machine and horizontal shaft type wind energy conversion systems.Vertical-shaft wind-power machine belongs to shaft resistance type windmill, mainly is the particular design through blade shape, makes the main shaft both sides have wind out-of-date, produces bigger forward and reverse difference in torque and promotes main axis rotation, drives generator for electricity generation then.Existing vertical-shaft wind-power machine, steering resistance are all bigger, and the required reactive torque that overcomes is also big, therefore need bigger wind speed can start the wind energy conversion system normal rotation and generate electricity.And operation the time also is used to overcome reactive torque because of the more energy of need, and whole conversion efficiency is also low.
In addition, when the wind energy conversion system of existing wind-driven generator turned round between startup wind speed and normal power generation wind speed, institute's electrogenesis was pressed and is not also reached the charging or the required voltage that is incorporated into the power networks, so the wind energy conversion system part is in fact in idle running.In certain areas the time of this wind speed range also quite long, so just increased the idle running wearing and tearing of motion component such as wind energy conversion system bearing, reduced the life-span of wind-driven generator.
Existing wind-driven generator is when running into the strong wind hurricane, and adopting adjusting vane length more or adding backward voltage increases the blade high speed rotating that mode such as resistance stops wind energy conversion system.But in fact the suffered frontal resistance of blade is still very big, still is easy to cause the damage of pneumatic equipment blades made and whole wind power generator.
Summary of the invention
To the deficiency of above-mentioned existing technology, the present invention provides a kind of novel anti-hurricane type high-efficiency wind driven generator, and this wind-driven generator has less steering resistance, starts easily, and conversion efficiency is high, and the damage that can effectively resist hurricane and caused.
For realizing above-mentioned technical purpose, anti-hurricane type high-efficiency wind driven generator provided by the invention adopts following technological scheme:
A kind of anti-hurricane type high-efficiency wind driven generator; Include the vertical rotating main shaft; Resistance blade, electric generator and control system, electric generator axially connects with main shaft, and its difference is; Said resistance blade is movably arranged on the vertical horizontal rotating shaft that is connected with the vertical rotating main shaft, in the vertical rotating main axis rotation, is also rotating around horizontal rotating shaft.Like this, when its wind-engaging rotated, the spatial position can change, thereby helps reducing the front frontal resistance.
Further, said resistance blade comprises facing the wind blade face and balancing pole, and said balancing pole is center transient equiliblium with the horizontal rotating shaft with the blade face that facings the wind, and can further reduce frontal resistance.
Further, be respectively installed with engageable bevel gear on said vertical rotating main shaft and the said horizontal rotating shaft, it is right to form bevel gear, and said resistance blade is installed on the bevel gear on the horizontal rotating shaft.
Further, said bevel gear is to being contained on vertical rotating main shaft and the horizontal rotating shaft through bearing housing respectively, and a wind direction controlling mechanism is connected with the bevel gear that is sleeved on the vertical rotating main shaft, can according to circumstances adjust the wind-engaging angle of resistance blade.
Further, the velocity ratio of said umbrella gear gear mesh is 1:1.Like this, the resistance blade around 1/4 week of vertical rotating main axis rotation, will be in the wind-engaging position of a minimum from positive upwind position; And if continue 1/4 week of rotation (amount to and select half cycle); The resistance blade will rotate half cycle around horizontal rotating shaft; The back side of the stress surface of resistance blade just in time rotates to original wind-engaging zone; Whole like this resistance blade will mainly facing the wind in a side (half cycle) of the main shaft that produces power, and the opposite side (half cycle, resistance area) that can not turn to main shaft facings the wind.The frontal resistance of whole system reduces greatly, and conversion efficiency obtains greatly to improve.
Further, said electric generator is to have the motor that electricity starts spinfunction, when the wind speed that records is fit to generating (reach predetermined voltage and export needed wind speed), start-up system is generated electricity.
Further, include air velocity transducer.Control system is according to the parameter that air velocity transducer detects, and judges and control start-up system and generate electricity.Will can start-up system generating work when wind speed does not reach predetermined voltage and exports needed wind speed.
Further, also comprise the wind direction detection device; The parameter that control system detects according to the wind direction detection device, control electric generator drive the bevel gear rotation on wind direction controlling mechanism and the main shaft, with the wind-engaging angle (angle of facining the wind) of adjustment resistance blade.Can accomplish that the resistance blade facings the wind in (front) with the maximum functional face when system start-up is generated electricity, and when shutting down, when especially facing hurricane, facing the wind with minimum windward side.Reduce the loss of wind energy conversion system, reduced the risk that hurricane damages.
Further, the said resistance number of blade is two.
Further, respectively be equipped with the back blades of a curve form at the two ends of horizontal rotating shaft, be used for when (master) resistance blade is in zero blowing area, providing enough moments of torsion to make the vertical rotating main shaft continue rotation.
The utility model; Through ingenious design and the right employing of bevel gear to the resistance blade shape; Make the main stress surface of resistance blade remain at a side of main shaft, greatly reduced (even thoroughly having removed) resistance blade and rotated caused reactive torque, reduced positive torque because of overcoming the reactive torque wasted work of fan blade at resistance area; Thereby make this wind energy conversion system have bigger moment of torsion and low wind speed startability, greatly improved conversion efficiency.
And, make this wind energy conversion system have anti-high wind, or even the ability of hurricane owing to possess one (being close to) zero loading angle.
Description of drawings
Fig. 1 is the structural representation sketch of a preferred embodiment of the utility model.
Action signal exploded view (four orientation) when Fig. 2-Fig. 5 is the work of Fig. 1.
Fig. 6 is the structural representation of another preferred embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further explanation.
Fig. 1 is the structural representation sketch of a preferred embodiment of the utility model, and some conventional assemblies are not described in detail and show.As shown in the figure, the utility model is a kind of vertical shaft type wind power generation equipment, includes support column 6 in other words, is fixed with electric generator 7 on the support 6, and the rotating shaft of motor 7 connects with vertical rotating main shaft 3.The top of main shaft 3 is fixed with a horizontal rotating shaft 2, is respectively installed with the bevel gear 4,5 of engagement on horizontal rotating shaft 2 and the vertical rotating main shaft 3, and it is right to form bevel gear.Two bevel gears 4,5 adopt the rotation ratio of 1:1, and bevel gear 4 is connected with vertical rotating main shaft 3 through bearing, and bevel gear 5 is connected with horizontal rotating shaft 2 through bearing.Resistance blade 1 is installed on the bevel gear 5, can be around horizontal rotating shaft (blade rotor) 2 rotations.The bottom position of bevel gear 4 is equipped with a wind direction controlling mechanism 8 in addition, can according to circumstances drive bevel gear 4 and rotate, and the wind-engaging angle to resistance blade 1 adjusts accordingly then.In the utility model, resistance blade 1 comprises facing the wind a blade face and a balancing pole, and said balancing pole is center transient equiliblium with the blade face that facings the wind with blade rotor 2.
When resistance blade 1 wind-engaging, after the overcome friction,, will drive bevel gear 5 rotations because blade 1 is connected on the bevel gear 5, through the bevel gear 4 that is engaged with, drive blade rotor 2 and rotate around main shaft 3 centers with the vertical rotating main shaft 3 that is connected.Blade 1 is when main shaft 3 horizontally rotates (revolution), also around blade rotor 2 rotations (rotation).
The utility model; Through to the ingenious design of resistance blade 1 shape and the employing of gear mesh 4,5; Make blade 1 main stress surface remain at a side of main shaft 3, greatly reduced (even thoroughly having removed) blade 1 and rotated caused reactive torque, reduced positive torque because of overcoming the reactive torque wasted work of fan blade at resistance area; Thereby make this wind energy conversion system have bigger moment of torsion and low wind speed startability, greatly improved conversion efficiency.
Fig. 2-Fig. 5 is the action signal exploded view of the embodiment of Fig. 1 when working, and shown that respectively vertical rotary main shaft 3 in the present embodiment whenever revolves plan view and plan view when turning 90 degrees residing four positions with respect to wind direction.
What Fig. 2 showed is the initial position of resistance blade 1 and wind energy conversion system.As shown in the figure, whole device is in positive upwind position.Resistance blade 1 is positioned at horizontal right side, main shaft 3 fronts; Be in the Maximum Torque state, the wind-engaging force urges, blade 1 is with drive main spindle 3 rotations; Bevel gear is to 4,5 driven vane 1 downward rotations again simultaneously, and main shaft 3 all turns over the position that 90 degree backs arrive Fig. 3 with blade rotor 2.The right side that this moment, blade 1 was positioned at main shaft 3 vertically downward; Next blade 1 is rotated further under effect of inertia, accepts wind-force simultaneously and promotes braking torque to main shaft 3 to be provided, and arrives the position of Fig. 4, and it is laterally right-hand that this moment, blade 1 was positioned at the back location of main shaft 3, is in the Maximum Torque state; Next, promote lower blade 1 at wind-force and be rotated further, arrive the position of Fig. 5, this moment, blade 1 was positioned at main shaft 3 left sides, vertically upward; Again next, blade 1 continues rotation under effect of inertia, and under the force action of wind-drive, forwards initial position shown in Figure 2 again to.
Fig. 6 is the structural representation (containing plan view and plan view) of another preferred embodiment of the utility model.On Fig. 1 embodiment's basis, increased a blade 1 (primary blades), increased by two back blades 9,10 simultaneously.Among this embodiment, two resistance blades 1 are symmetrical set, and help the producing balanced forces of main shaft 3 parts such as grade, have also increased wind-engaging time and lifting surface area simultaneously.Back blades 9 and 10 is for semi-cylindrical shape and horizontal rotating shaft 2 are fixed together, and when horizontal rotating shaft 2 rotated with main shaft 3, back blades 9,10 also rotated around main shaft 3 with horizontal rotating shaft 2.Back blades 9,10 produces Maximum Torque in the position when (b), just in time replenishes primary blades 1 and at this position moment of torsion be zero defective.
Compare with embodiment shown in Figure 1, generating efficiency embodiment illustrated in fig. 3 improves a lot again.Certainly, in various embodiment, the number of resistance blade can also continue to increase.
In the utility model, electric generator 7 is to have the motor that electricity starts spinfunction, and starter-generator 7 rotors drive main shaft 3 rotated and starts after the startup of this wind-driven generator powered up for electric generator 7 through control system.(reach predetermined voltage and export needed wind speed) just start-up system generating when the suitable generating of wind speed that air velocity transducer records can effectively reduce the idle running wearing and tearing of motion component such as wind energy conversion system bearing, thereby prolong the life-span of wind-driven generator.
In the utility model,, under the driving of control system, the angle apparent wind power situation of facining the wind of resistance blade 1 is constantly made adjustment through the special-purpose wind direction controlling mechanism 8 that combines with gear 4.When starting the front kibli to come flow path direction, and when shutting down, make the flow path direction that comes of vane stress face and wind direction be consistent.Like this,, make this wind energy conversion system have anti-high wind because the resistance blade possesses one (being close to) zero stressed angle (position among Fig. 1 (b) or position (d)), or even the ability of hurricane, reduced the loss of wind energy conversion system, reduced the risk that hurricane damages.Certainly, judge wind direction, need the cooperation of wind direction detection device (not shown).
In the utility model, can be through to the adjustment of bevel gear to velocity ratio, make resistance blade 1 mainly in a side of main shaft 3, so that bigger braking torque to be provided.And when practical application, can add a flying wheel as required, or get different amount along major axes orientation and adorn several blades more, make braking torque relatively continuously with even simultaneously to obtain bigger braking torque.
More than be merely the preferred forms of the utility model, not in order to restriction the utility model.Some all according to the disclosed content of the utility model, that those of ordinary skill in the art can obviously expect identical, replacement schemes all should fall into the protection domain of the utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205145009U CN202417825U (en) | 2011-12-12 | 2011-12-12 | Hurricane-resisting high-efficiency wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205145009U CN202417825U (en) | 2011-12-12 | 2011-12-12 | Hurricane-resisting high-efficiency wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202417825U true CN202417825U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205145009U Expired - Fee Related CN202417825U (en) | 2011-12-12 | 2011-12-12 | Hurricane-resisting high-efficiency wind-driven generator |
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| Country | Link |
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| CN (1) | CN202417825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869172A (en) * | 2018-08-01 | 2018-11-23 | 袁杰 | Blade automatic deploying and retracting is without negative torque vertical shaft type aerogenerator |
-
2011
- 2011-12-12 CN CN2011205145009U patent/CN202417825U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869172A (en) * | 2018-08-01 | 2018-11-23 | 袁杰 | Blade automatic deploying and retracting is without negative torque vertical shaft type aerogenerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20161212 |