CN204402762U - There is the wind-driven generator of master end driftage protection transfer bar mechanism - Google Patents
There is the wind-driven generator of master end driftage protection transfer bar mechanism Download PDFInfo
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- CN204402762U CN204402762U CN201420871772.8U CN201420871772U CN204402762U CN 204402762 U CN204402762 U CN 204402762U CN 201420871772 U CN201420871772 U CN 201420871772U CN 204402762 U CN204402762 U CN 204402762U
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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
A kind of wind-driven generator, comprise wind wheel, generator, support and tail vane device, wherein tail vane device comprises tail boom and tail plate, it is characterized in that this wind-driven generator also comprises one and provides master end driftage protection transfer bar mechanism, described transfer bar mechanism comprises: one provides the electric pushrod driving thrust, and roller-linkage mechanism that drives tail vane device, it acts on tail vane device, and by the driving of electric pushrod, tail vane device is active in pivotly to make tail vane device be in the direction being substantially perpendicular to wind wheel plane, and/or between the direction making tail vane device be in being arranged essentially parallel to wind wheel plane.The utility model realizes on passive lateral deviation protection tail vane apparatus structure basis eccentric installation of use; add initiatively lateral deviation protection push rod driving mechanism; ensure that wind wheel passive yaw under high wind conditions flees from prevailing wind direction; and tail vane is extended along prevailing wind direction; rotation speed of fan is declined and does not increase with wind speed and rise; achieve passive lateral deviation and add intelligence initiatively lateral deviation bilateral offset compensation mechanism, unit is more installed in actual motion reliable.
Description
Technical field
The utility model relates to a kind of small-sized wind power generator with master end driftage protection mechanism.
Background technique
Along with socioeconomic fast development, environmental pollution problem is day by day serious, and the demand of people to clean energy resource grows with each passing day, and development of new, green clean energy resource are imperative.Wind energy is a kind of clean renewable energy sources, and thus the development of wind-driven generator and application are subject to countries in the world and more and more pay close attention to.Rise from the eighties in last century, utilize the technical merit of wind energy power more and more ripe through the development of two more than ten years, the free of contamination wind energy of Appropriate application has become the important channel obtaining green energy resource.
Small-sized wind power generator group has very important status in Wind Power Utilization, but, traditional small-sized wind power generator due to himself manufacture cost high, safety measure is relatively less, not yet can obtain large-scale promotion.As known in the art, due to the consideration of manufacture cost, the small-sized wind power generator of 5kw ~ 20kw all arranges the automatic yaw devices such as such as reducing motor as medium-and-large-sized blower fan, and major part is the type with tail vane device.
For example, small-sized wind power generator as shown in Figure 1, comprises one and is arranged on wind wheel 10, generator 20, support 30 on wheel hub and a tail vane device 40.Wherein, the structure of support 30 can with reference to shown in each view of figure 2A to Fig. 2 C, be located on front side of support 30, ring junction surface 32 around generator mounting hole 31 is docked with the junction surface be located on rear side of generator 20 by a plurality of fixed block, and the mounting hole 33 be located at bottom support 30 is rotatably installed in the top of pylon 60 by single-revolution mechanism 50 level.Fig. 2 A is the schematic perspective view of support 30 viewed from the front side of connection generator; Fig. 2 B is the face upwarding view of support 30; Fig. 2 C is the schematic perspective view of support 30 viewed from the rear side of connection tail vane.
Tail vane device 40 comprises tail boom 41 and tail plate 42, and the front end of tail boom 41 is rotatably connected to support 30 by the fixed base 43 be arranged on rear side of support 30.Make due to the setting of fixed base 43 the rotating shaft H of tail boom 41 specifically roll with one and hypsokinesis angle is installed, make to act on gravity on tail boom 41 and tail plate 42 all the time to the rotational gravity distance that 40 1, tail vane device is downward.The effect of tail plate 42 by wind is always in down wind position, and during little wind, the direction that tail boom 41 extends with tail plate 42 is mutually vertical with wind wheel plane, and namely wind direction is perpendicular to wind wheel plane, and wind wheel farthest absorbs wind energy, as shown in figs.3 a and 3b; During strong wind, wind-force effect overcomes gravitational moment, and the direction that tail boom 41 and tail plate 42 are extended is at a certain angle with wind wheel plane, and namely wind direction is not orthogonal to wind wheel plane, the reduced capability of wind wheel absorption wind energy, as illustrated in figures 4 a and 4b; During super large wind, wind-force effect overcomes gravitational moment, and make tail boom 41 completely parallel with wind wheel plane with tail plate 42, namely wind direction is parallel to wind wheel plane, absorbs wind energy ability and substantially eliminates, and reaches protection blower fan object.But; because tail vane device 40 is installed with specific setting angle, and its deflection gravitational moment is difficult to be set to optimal parameter, and wind-force has the characteristic such as instantaneous grade and direction sudden change; when strong wind and super large wind, this tail vane device 40 is difficult to the object realizing driftage protection automatically.
On the other hand, due to the small volume of small-sized wind power generator, braking mechanism cannot be increased at engine room inside, existing small-sized wind power generator all belongs to power stall-adjusted type wind-driven generator, this causes it under severe strong wind weather, blade failure may be made due to the brake measure that there is no need, and then whole blower fan is damaged, cause huge economic loss.
Therefore, really need badly and improved for the lateral deviation boat operator guards of the problem existing for above-mentioned prior art to small-sized wind power generator, make the operational safety performance of small-sized protection wind-driven generator obtain good guarantee.
Summary of the invention
The purpose of this utility model there is provided a kind of small-sized wind power generator with master end driftage protection transfer bar mechanism; tail vane device prior art being had to the protection of passive lateral deviation is improved; only add a kind of initiatively lateral deviation protection mechanism with little cost, micro side is gone off course and protects the operational safety performance of wind-driven generator to be ensured preferably.
To achieve these goals, the utility model provides a kind of small-sized wind power generator of improvement, it comprises: wind wheel, generator, support and tail vane device, wherein said tail vane device comprises tail boom and tail plate, generator mounting hole is provided with on front side of support, junction surface around mounting hole surrounding is docked with the junction surface on rear side of generator by a plurality of fixed block, the bottom of support is fixed on the top of pylon by single-revolution mechanism, , the tail boom front end of described tail vane device is articulated on the fixed support that is installed on rear side of support with the setting angle preset, specifically, this wind-driven generator also comprises one provides master end driftage protection transfer bar mechanism, described transfer bar mechanism comprises:
One provides the electric pushrod driving thrust, described electric pushrod comprises a standing part and a telescopic section, its standing part is placed in base inner and is articulated on a fixed base of support front inner wall by a bearing pin, the end of its telescopic section passes from the perforation that support rear sidewall is offered, and is articulated on roller-linkage mechanism by a bearing pin;
Roller-the linkage mechanism of one driving tail vane device, comprise a connecting rod, a link pin, one link pin fixing frame and a trapezoidal roller, the first end of wherein said connecting rod is articulated in described fixing frame by described link pin, and the second end of described connecting rod is by the trapezoidal roller of a bearing pin pivot joint; And
Described electric pushrod rotates around link pin according to the rotating speed driving rolls-linkage mechanism of wind wheel, make tail vane device movable pivotly and be held in the primary importance in the direction being substantially perpendicular to wind wheel plane, and between the second place in direction being arranged essentially parallel to wind wheel plane.
The utility model realizes on passive lateral deviation protection tail vane apparatus structure basis eccentric installation of use; add initiatively lateral deviation protection push rod driving mechanism; ensure that wind wheel passive yaw under high wind conditions flees from prevailing wind direction; and tail vane is extended along prevailing wind direction; rotation speed of fan is declined and does not increase with wind speed and rise; achieve passive lateral deviation and add intelligence initiatively lateral deviation bilateral offset compensation mechanism, make unit more safe and reliable in actual motion.
Accompanying drawing explanation
Figure 1 shows that the stereogram of the example of the small-sized wind power generator of existing tail rudder device.
Fig. 2 A is depicted as the support of the small-sized wind power generator in Fig. 1, shows the schematic perspective view of support viewed from the front side of support connection generator.
Fig. 2 B is depicted as the support of the small-sized wind power generator in Fig. 1, shows as support face upwarding view.
Fig. 2 C is depicted as the support of the small-sized wind power generator in Fig. 1, shows the schematic perspective view of support viewed from the rear side for connecting tail vane from support.
Fig. 3 A-3B is side view when being in little wind under nature of the tail vane device of small-sized wind power generator and schematic perspective view.
Fig. 4 A-4B is side view when being in strong wind under lateral deviation guard mode of the tail vane device of small-sized wind power generator and schematic perspective view.
Fig. 5 be according to the tail vane device of the example of small-sized wind power generator of the present utility model in the raw under the schematic diagram of push rod drive unit.
Fig. 6 is the schematic diagram being in the push rod drive unit under lateral deviation state according to the tail vane device of the example of small-sized wind power generator of the present utility model.
Specific embodiment
According to the structure basic simlarity of the small-sized wind power generator of small-sized wind power generator of the present utility model and above-mentioned prior art, but on the basis of existing passive lateral deviation boat, add a kind of master end driftage protection push rod driving mechanism.With reference to the embodiment shown in figure 5-6; the push rod driving mechanism 70 providing master end to go off course to protect has been set up between support 30 and tail vane device 40; achieve the protection of passive lateral deviation boat and add intelligent master end driftage bilateral offset compensation mechanism, wind power generating set is in operation more safe and reliable.
The small wind driven generator structure of the present utility model place similar to prior art comprises all major components shown in Fig. 1-2 equally, i.e. wind wheel 10, generator 20, support 30 and tail vane device 40.Improvements of the present utility model are the transfer bar mechanism 70 of its master end driftage protection of setting up.Described transfer bar mechanism 70 mainly comprises one provides the electric pushrod 71 and a roller-linkage mechanism 72 driving tail vane device 40 to rotate around rotating shaft H that drive thrust.
Wherein, described electric pushrod 71 is arranged in support 30, comprise standing part 711 and a telescopic section 712, its standing part 711 rear end is articulated on a fixed base 713 of support 30 front inner wall by a bearing pin, the end of its telescopic section 712 passes from the perforation that support 30 rear sidewall is offered, and is articulated on roller-linkage mechanism 72 by a bearing pin.
Wherein, described roller-linkage mechanism 72 mainly comprises connecting rod 721, pitman shaft 722, connecting rod rotating shaft fixed support 723 and a trapezoidal roller 724.Wherein, the shape of described connecting rod 721 is roughly in circular arc, its lateral cross section is " " shape, and radially outward opening, and the first end of described connecting rod 721 is articulated in connecting rod rotating shaft fixed support 723 by described pitman shaft 722, second end of described connecting rod 721 is by the trapezoidal roller 724 of a bearing pin pivot joint, and the angle of the outer side surface angle of inclination of described trapezoidal roller 724 and the tail boom 71 tip side pushing surface of inclination, the setting angle that namely rotating shaft H is preset matches.In addition, the second end that the end of the telescopic section 712 of electric pushrod 71 is articulated in connecting rod 721 is close to the position of trapezoidal roller 724.Thus, described roller-linkage mechanism 72 can around connecting rod rotating shaft 722 rotary moveable in: make tail vane device 40 be in the primary importance in the direction being substantially perpendicular to wind wheel plane, and make tail vane device 40 be between the second place in the direction being arranged essentially parallel to wind wheel plane.
Small-sized wind power generator of the present utility model is in the process run; when the control unit of wind-driven generator detects that wind speed round exceedes certain predetermined threshold value; order initiatively lateral deviation protection transfer bar mechanism 70 starts; electric pushrod 71 action; the telescopic section 712 of electric pushrod 71 is protruding; promote connecting rod 721 to press with the tail boom 41 end surface top of trapezoidal roller 724 to tail vane device 40, force tail boom 41 to rotate towards the direction being parallel to wind wheel plane.Now, whole tail vane device 40 comprises tail boom 41 and rotates around rotating shaft H, telescopic section 712 drivening rod 721 of electric pushrod 71 rotates in scope of design, and connecting rod 721 rotates with the end surface rotating contact of trapezoidal roller 724 in tail boom 41, thus completes initiatively lateral deviation action.After tail boom 41 lateral deviation puts in place, electric pushrod 71 stops action and remains on this position, now wind wheel blade and wind direction are roughly in 90 ° of angles, wind wheel cannot capturing wind energy make the even stall of blower fan reduction of speed, after the time of lateral deviation completes, the action command that the telescopic section 712 of electric pushrod 71 sends according to control unit is retracted into home position, and namely blower fan 1 recovers the operating mode under normal wind speed.
In sum, small-sized wind power generator uses eccentric mounting type on the pivot of its tail vane device, and make wind wheel passive yaw under strong wind atmosphere, depart from prevailing wind direction, tail vane extends along prevailing wind direction, rotating speed is declined instead of rises along with the increase of wind speed.The utility model, on the existing architecture basics carrying passive side-tipping mechanism, adds initiatively lateral deviation protection push rod driving mechanism, achieves passive lateral deviation and adds intelligence initiatively lateral deviation bilateral offset compensation mechanism, unit is more installed in actual motion reliable.
Although illustrate by way of example above, described the present invention's preferably embodiment, protection scope of the present invention is not limited in above-mentioned explanation, but all technical characteristicss provided by appended claim and technical equivalents thereof define.Persons skilled in the art are understandable that, do not deviating under the essence and marrow prerequisite that the present invention instructs, any modifications and variations may still drop within the protection domain of the claims in the present invention.
Claims (4)
1. a small-sized wind power generator (1), comprise wind wheel (10), generator (20), support (30), and tail vane device (40), wherein said tail vane device (40) comprises tail boom (41) and tail plate (42), support (30) front side is provided with generator mounting hole (31), junction surface around mounting hole (31) surrounding is docked by the junction surface of a plurality of fixed block with generator (20) rear side, the bottom of support (30) is fixed on the top of pylon (60) by single-revolution mechanism (50), tail boom (41) front end of described tail vane device (40) be articulated in the setting angle preset be installed in support (30) rear side fixed support (43) on, it is characterized in that this wind-driven generator (1) also comprises one and provides master end driftage protection transfer bar mechanism (70), described transfer bar mechanism (70) comprising:
One provides the electric pushrod (71) driving thrust, comprise a standing part (711) and a telescopic section (712), its standing part (711) rear end is articulated on a fixed base (713) of support (30) front inner wall by a bearing pin, the end of its telescopic section (712) passes from the perforation that support (30) rear sidewall is offered, and is articulated on roller-linkage mechanism (72) by a bearing pin;
Roller-the linkage mechanism (72) of one driving tail vane device (40), comprise a connecting rod (721), a link pin (722), one connecting rod fixing frame (723) and a trapezoidal roller (724), the first end of wherein said connecting rod (721) is articulated in connecting rod rotating shaft fixing frame (723) by described link pin (722), and the second end of described connecting rod (721) is by the trapezoidal roller of a bearing pin pivot joint (724); And
Described electric pushrod (71) rotates around link pin (722) according to the rotating speed driving rolls-linkage mechanism (72) of wind wheel, make tail vane device (40) movable pivotly and be held in the primary importance in the direction being substantially perpendicular to wind wheel plane, and making tail vane device (40) be between the second place in the direction being arranged essentially parallel to wind wheel plane.
2. small-sized wind power generator according to claim 1, it is characterized in that the shape of the connecting rod (721) of described roller-linkage mechanism (72) is roughly in circular arc, its lateral cross section is " " shape and radially outward opening.
3. small-sized wind power generator according to claim 1, is characterized in that the preset setting angle of the described outer side surface angle of inclination of trapezoidal roller (724) and the fixed base 43 of tail boom 41 matches.
4. small-sized wind power generator according to claim 1, is characterized in that the second end that telescopic section (712) end of described electric pushrod (71) is articulated in connecting rod (721) is close to the position of trapezoidal roller (724).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420871772.8U CN204402762U (en) | 2014-12-31 | 2014-12-31 | There is the wind-driven generator of master end driftage protection transfer bar mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420871772.8U CN204402762U (en) | 2014-12-31 | 2014-12-31 | There is the wind-driven generator of master end driftage protection transfer bar mechanism |
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| CN204402762U true CN204402762U (en) | 2015-06-17 |
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| CN201420871772.8U Active CN204402762U (en) | 2014-12-31 | 2014-12-31 | There is the wind-driven generator of master end driftage protection transfer bar mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017246A (en) * | 2019-05-01 | 2019-07-16 | 呼和浩特市博洋可再生能源有限责任公司 | A kind of middle-size and small-size wind energy conversion system active yawing mechanism |
| CN114412704A (en) * | 2021-12-28 | 2022-04-29 | 上海致远绿色能源股份有限公司 | Comprehensive control method for passive lateral deviation type fan |
-
2014
- 2014-12-31 CN CN201420871772.8U patent/CN204402762U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017246A (en) * | 2019-05-01 | 2019-07-16 | 呼和浩特市博洋可再生能源有限责任公司 | A kind of middle-size and small-size wind energy conversion system active yawing mechanism |
| CN114412704A (en) * | 2021-12-28 | 2022-04-29 | 上海致远绿色能源股份有限公司 | Comprehensive control method for passive lateral deviation type fan |
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