CN204738908U - Small wind turbine unit formula fin driftage torque control mechanism that independently yawes - Google Patents
Small wind turbine unit formula fin driftage torque control mechanism that independently yawes Download PDFInfo
- Publication number
- CN204738908U CN204738908U CN201520115921.2U CN201520115921U CN204738908U CN 204738908 U CN204738908 U CN 204738908U CN 201520115921 U CN201520115921 U CN 201520115921U CN 204738908 U CN204738908 U CN 204738908U
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- CN
- China
- Prior art keywords
- wind
- spring
- base
- upper cover
- empennage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
Abstract
The utility model relates to a small wind turbine unit formula fin driftage torque control mechanism that independently yawes. Including the base, slider, spring, gasket, spring washer, screw rod, upper cover and screw, earlier with the slider and the spring for screw rod, spring washer and gasket fix on the base, then with the screw with upper cover and base hookup installation back, certain precompression is applyed through the spring for the fin to the slider, it is parallel with impeller rotation centerline to make the fin couple the handle axis. Be greater than when setting for the wind speed when the incoming flow speed of wind, produced inclined to one side book power is greater than aforementioned precompression, and the rotation centerline who makes the impeller becomes a contained angle with the incoming flow speed direction of wind, and seek the wind effect and descend, the rotation rate decline of impeller, the energy of catching also descends, has realized high wind speed protect function. When the incoming flow speed of wind is less than the settlement wind speed, because the effect of spring restoring force makes the fin get back to initial condition, guaranteed that the wind effect is sought to the best under the low wind speed.
Description
Technical field
The utility model relates to a kind of small-sized wind power generator group autonomous yaw type empennage yawing moment control mechanism.
Background technique
At present, the electric energy that small-sized wind power generator group exports is the important component part of renewable energy sources.The small-sized wind power generator group that each manufacturer produces with empennage comprise two kinds of forms, namely fix straight-plate-type and autonomous yaw type.Fixing straight-plate-type tail structure is simple, seeks wind effective, but not to go off course protective function to whole wind-driven generator.When wind speed is higher, need use electromagnetic brake, mechanical brake or other brake modes, control within safe speed by the rotating speed of rotary blade, and the wind energy of seizure also controls within safety value.Otherwise occur impeller rotation velocity too high and cause structural failures, or the wind energy captured is excessive occurs the problems such as generator overload burns.And its supporting brake system complex structure, cost is higher.So people attempt to adopt autonomous yaw type empennage, namely whole empennage can do the deflection of certain orientation and angle around its running shaft, the angle that wing plate trailing edge deviation is certain.When wind speed is within certain limit, empennage is not gone off course, and vane rotary center line is parallel with the speed of incoming flow direction of wind, ensures that the best seeks wind effect.When wind speed exceedes set value, empennage is independently gone off course.Namely under certain wind speed; empennage to be gone off course certain angle around its running shaft; the speed of incoming flow direction of the rotation centerline of rotary blade and wind is made to deflect certain angle; now seek wind effect to decline; within the wind energy captured drops to safety value; within rotating speed drops on safe speed, thus realize protecting the high wind speed of whole wind power generating set.But empennage parameter is difficult to find optimization, traditional autonomous yaw type empennage automatically resets by means of empennage simultaneously, and often when low wind speed, reset effect is bad, and wind effect is sought in impact, reduces the wind energy captured.
Because the shortcoming existing for the said goods, the creation of this case exhausts its intelligence then, to be engaged in affiliated industry experience for many years, concentrate on studies and innovated improvement, finally successfully having researched and developed this small-sized wind power generator group autonomous yaw type empennage yawing moment control mechanism, is the creation that a tool effect is promoted in fact.
Summary of the invention
In order to effectively solve the problem, the purpose of this utility model is, provides a kind of small-sized wind power generator group autonomous yaw type empennage yawing moment control mechanism; Comprise base, slide block, spring, pad, spring washer, screw rod, upper cover and screw, first slide block and spring screw rod, spring washer and pad are fixed on base, then with screw, upper cover are connected with base.
Another object of the present utility model is, provides a kind of small-sized wind power generator group autonomous yaw type empennage yawing moment control mechanism; This mechanism is after completing and installing with supporting back poppet installation base and autonomous yaw type empennage conjugation handle, by set requirement, slide block outer side surface applies certain precompression by spring to autonomous yaw type empennage conjugation handle side boss side surfaces, autonomous yaw type empennage is made to be fixed in back poppet installation base, i.e. autonomous yaw type empennage conjugation handle medial axis and vane rotary centerline parallel.
Characteristic on above-mentioned purpose of the present utility model and structure and fuction thereof, will be explained according to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is theory structure schematic diagram of the present utility model;
Fig. 2 is structural blast schematic diagram of the present utility model;
Fig. 3 is base schematic diagram of the present utility model;
Fig. 4 is slide block schematic diagram of the present utility model;
Fig. 5 is upper cover schematic diagram of the present utility model;
Fig. 6 is scheme of installation of the present utility model;
Fig. 7 is installation exploded perspective view of the present utility model;
Fig. 8 is supporting back poppet installation base schematic diagram of the present utility model;
Fig. 9 is supporting empennage connecting end schematic diagram of the present utility model;
Figure 10 is that supporting empennage of the present utility model is not gone off course view;
Figure 11 is that supporting empennage of the present utility model has been gone off course view.
Annex description of symbols: 101-base; 1011-base inner bottom surface; 1012-base journal stirrup upper bottom surface; 1013-base journal stirrup connecting hole; 1014-base spring compartment; 1015-base guide groove; 1016-base connecting hole; 1017-base barricade upper-end surface; 1018-base slide block screw rod space; 1019-base positioning boss; 1020-base slider throughbores; 201-slide block; 2011-slide block guide post; 2012-slide block outer side surface; 2013-slider guide boss one; 2014-slider guide boss two; 2015-slide block guide post side; 2016-slide block guide post thread; 202-spring; 203-pad one; 204-spring washer one; 205-screw rod; 301-upper cover; 3011-upper cover inner side surface; 3012-upper cover journal stirrup bottom surface; 3013-upper cover bottom surface; 3014-upper cover spring compartment; 3015-upper cover guiding groove; 3016-upper cover location counterbore; 3017-upper cover slide block screw rod space; 3018-upper cover connecting hole; 3019-upper cover journal stirrup inner side surface; 3020-upper cover journal stirrup connecting hole; 401-screw; 501-back poppet installation base; This outside of 5011-back poppet; 5012-back poppet installation base upper surface; 5013-back poppet installation base lower surface; 5014-back poppet installation base outer side surface; 5015-back poppet installation base inner side surface; 5016-back poppet installation base inner bottom surface; 5017-back poppet installation base connecting hole; 502-attachment bolt; 503-pad two; 504-pad three; 505-spring washer two; 506-nut; 601-autonomous yaw type empennage conjugation handle; 6011-autonomous yaw type empennage conjugation handle connecting hole; 6012-autonomous yaw type empennage conjugation handle outer side surface; 6013-autonomous yaw type empennage conjugation handle lower convex platform bottom surface; 6014-autonomous yaw type empennage conjugation handle side boss side surfaces; 701-autonomous yaw type empennage wing plate; 801-vane rotary center line; 802-empennage conjugation handle medial axis; The speed of incoming flow direction of 803-wind.
Embodiment
Refer to Fig. 1 and Fig. 2, Fig. 1 is theory structure schematic diagram of the present utility model, and Fig. 2 is structural blast schematic diagram of the present utility model.It is a kind of small-sized wind power generator group autonomous yaw type empennage yawing moment control mechanism.As can be seen from Fig., this autonomous yaw type empennage yawing moment control mechanism comprises base 101, slide block 201, is enclosed within the spring 202 on slide block 201, pad 203, spring washer 204, screw rod 205, upper cover 301 and screw 401.
The mutual assembly relation of each component of the utility model is: base spring compartment 1014 li put into by spring 202, then the guide pillar 2011 of slide block 201 passes from spring 202, base guide groove 1015 aimed at by slider guide boss 2 2014 simultaneously, and slide block guide post 2013 is through base slider throughbores 1020; To be fitted by upper cover bottom surface 3013 base barricade upper-end surface 1017, and make location counterbore 3016 aim at the positioning boss 1019 of base, ensure upper cover spring compartment 3014 alignment springs 202, slider guide boss 1 aimed at by upper cover guiding groove 3015 simultaneously; Then screw 401 is through upper cover connecting hole 3018, is locked into base connecting hole 1016; Slider guide post side 2015 is close to by pad 1, spring washer 1 is close to pad 1, then screw rod 205 is locked in slide block guide post thread 2016, forms complete the utility model and small-sized wind power generator group autonomous yaw type empennage yawing moment control mechanism.
Refer to Fig. 6 and Fig. 7, Fig. 6 is the utility model scheme of installation, and Fig. 7 is that the utility model installs exploded perspective view.Its concrete installation relation is: autonomous yaw type empennage conjugation handle 601 is loaded back poppet installation base 501 li, and being fitted with back poppet installation base inner bottom surface 5016 in autonomous yaw type empennage conjugation handle lower convex platform bottom surface 6013, autonomous yaw type empennage conjugation handle outer side surface 6012 is fitted with back poppet installation base inner side surface 5015; Base journal stirrup upper bottom surface 1012 and back poppet installation base upper surface 5012 are fitted, upper cover journal stirrup bottom surface 3012 and back poppet installation base 5013 are fitted, make this outside of upper cover outer side surface 3011 back poppet 5011 fit simultaneously, upper cover boss inner side surface 3019 and back poppet installation base 5014 are fitted, and slide block outer side surface 2012 and autonomous yaw type empennage conjugation handle side boss side surfaces 6014 are fitted simultaneously; Pad 2 503 is enclosed within attachment bolt 502, then successively through upper cover journal stirrup connecting hole 3020, back poppet installation base connecting hole 5017, autonomous yaw type empennage conjugation handle connecting hole 6011 and base journal stirrup connecting hole 1013, then Upper gasket 3 504 and spring washer 2 505 is overlapped, last locking nut 506.
Refer to Figure 10, Figure 10 is that the supporting empennage of the utility model is not gone off course view.During normal state, autonomous yaw type empennage conjugation handle medial axis 802 does not have angle with the speed of incoming flow direction 803 of wind.Refer to Figure 11, Figure 11 is that the supporting empennage of the utility model has been gone off course view.When there is driftage, autonomous yaw type empennage conjugation handle medial axis 802 is α with the angle of vane rotary center line 801, and vane rotary center line 801 is β with the angle in the speed of incoming flow direction 803 of wind.
Working principle of the present utility model is: this moment control mechanism is after completing and installing with supporting back poppet installation base 501 and autonomous yaw type empennage conjugation handle 601, by set requirement, slide block outer side surface 2012 is applied with the precompression of 20 newton to autonomous yaw type empennage conjugation handle side boss side surfaces 6014, autonomous yaw type empennage conjugation handle 601 is made to be fixed in back poppet installation base 501, i.e. autonomous yaw type empennage conjugation handle medial axis and vane rotary centerline parallel.When the speed of incoming flow of wind is less than 15m/s, airflow function is on the autonomous yaw type empennage wing plate 701 at deviation 20 degree of angles, produce certain deflecting force, but this deflecting force is not enough to the precompression overcoming aforementioned 20 newton, autonomous yaw type empennage conjugation handle medial axis 802 is parallel with vane rotary center line 801, vane rotary center line 801 and wind to carry out flow path direction 803 parallel, ensure that the best seeks wind effect.When the speed of incoming flow of wind is greater than 15m/s, due to the deviation power that autonomous yaw type empennage wing plate 701 produces, be greater than aforesaid 20 newton's precompressions, this deviation power compresses slide block outer side surface 2012 by autonomous yaw type empennage conjugation handle side boss side surfaces 6014, spring 202 is compressed, and make autonomous yaw type empennage conjugation handle medial axis 802 and vane rotary center line 801 α at a certain angle, the rotation centerline 801 of impeller and the speed of incoming flow direction 803 of wind are had angle β.Namely mean that the energy that rotary blade captures declines, the rotational speed of impeller correspondingly declines, thus achieves high wind speed protective function.When wind speed gets back to below 15m/s, due to the restoring force effect of spring 202, make slide block 201 promote autonomous yaw type empennage conjugation handle side boss outer side surface 6014 and get back to original state, namely autonomous yaw type empennage conjugation handle medial axis 802 is parallel with vane rotary center line 801, vane rotary center line 801 and wind to carry out flow path direction 803 parallel, ensure that to seek wind effect under low wind speed.By the adjustment of the diameter to spring, pressure coefficient and decrement, different precompressions can be realized, thus the best realized under low wind speed seeks the overspeed protection function under wind effect and high wind speed.
Pre-pressure of the spring listed in above-mentioned embodiment, the speed of incoming flow of wind, the concrete numerical value such as deflecting force and angle of yaw, is the typical set value of this case, correspondingly can sets according to concrete applicable cases.
Claims (2)
1. a small-sized wind power generator group autonomous yaw type empennage yawing moment control mechanism, it is characterized in that, it comprises: base, slide block, spring, pad, spring washer, screw rod, upper cover and screw; First slide block and spring screw rod, spring washer and pad are fixed on base, then with screw, upper cover are connected with base.
2. small-sized wind power generator group autonomous yaw type empennage yawing moment control mechanism as claimed in claim 1, it is characterized in that: this mechanism applies certain precompression by spring, autonomous yaw type empennage conjugation handle is fixed in back poppet installation base, makes autonomous yaw type empennage conjugation handle medial axis and vane rotary centerline parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520115921.2U CN204738908U (en) | 2015-02-26 | 2015-02-26 | Small wind turbine unit formula fin driftage torque control mechanism that independently yawes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520115921.2U CN204738908U (en) | 2015-02-26 | 2015-02-26 | Small wind turbine unit formula fin driftage torque control mechanism that independently yawes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204738908U true CN204738908U (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520115921.2U Expired - Fee Related CN204738908U (en) | 2015-02-26 | 2015-02-26 | Small wind turbine unit formula fin driftage torque control mechanism that independently yawes |
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| CN (1) | CN204738908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120230A (en) * | 2017-01-05 | 2017-09-01 | 华北电力大学 | A kind of additive type flow-guiding type Wind turbines active yawing controller |
-
2015
- 2015-02-26 CN CN201520115921.2U patent/CN204738908U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120230A (en) * | 2017-01-05 | 2017-09-01 | 华北电力大学 | A kind of additive type flow-guiding type Wind turbines active yawing controller |
| CN107120230B (en) * | 2017-01-05 | 2019-05-03 | 华北电力大学 | A kind of additive type flow-guiding type Wind turbines active yawing controller |
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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 |
Granted publication date: 20151104 Termination date: 20190226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |