CN103821671B - The small-sized wind power generator that wind wheel position in wind-collection cover is adjustable - Google Patents
The small-sized wind power generator that wind wheel position in wind-collection cover is adjustable Download PDFInfo
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- CN103821671B CN103821671B CN201410091161.6A CN201410091161A CN103821671B CN 103821671 B CN103821671 B CN 103821671B CN 201410091161 A CN201410091161 A CN 201410091161A CN 103821671 B CN103821671 B CN 103821671B
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- wind
- shaft
- wheel
- wind wheel
- collection cover
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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 invention discloses the small-sized wind power generator that a kind of wind wheel position in wind-collection cover is adjustable, it is made up of wind-collection cover, wind wheel, the first transmission shaft, rotor position regulating device, cabin, tail vane, thrust slide bearing and tower bar; Wind wheel is slidably located on the first transmission shaft, and wind wheel is arranged in wind-collection cover, and rotor position regulating device connects with wind wheel, and wind wheel can be driven to move left and right in wind-collection cover.When wind wheel of the present invention is positioned at wind-collection cover minimum flow section, wind wheel threshold wind velocity can reduce by more than one times; When natural wind speed changes, by wind wheel position adjustment in the wind-collection cover becoming flow section, wind wheel can work for a long time near rated wind speed, the pneumatic efficiency of Wind wheel paddle is high, the output power of generator can long-time stable near rated power, the generating efficiency of generator is higher.
Description
Technical field
The present invention relates to a kind of small-sized wind power generator, the small-sized wind power generator that particularly a kind of wind wheel position in wind-collection cover is adjustable.
Background technique
Small-sized wind power generator is mainly used in the illuminations such as cities and towns, and wind-driven generator charges to storage battery, and power storage gets up for night illumination etc. by storage battery.Nature wind speed is often suddenly big or suddenly small, when the threshold wind velocity of wind speed lower than wind wheel, wind-driven generator cannot work, if wind speed is long-term lower, because the pneumatic efficiency of wind wheel blade is lower, not only the generating efficiency of wind-driven generator is lower, and storage battery also can reduce working life because of undercharge, when wind speed exceedes the design maximum wind speed of wind wheel, fixed pitch blade is because of blade tip stall reduction pneumatic efficiency, and the generating efficiency of generator also reduces.
Summary of the invention
The object of this invention is to provide the small-sized wind power generator that a kind of wind wheel position in wind-collection cover is adjustable.
The present invention is made up of wind-collection cover, wind wheel, the first transmission shaft, rotor position regulating device, cabin, tail vane, thrust slide bearing and tower bar; Wind-collection cover forms by becoming the horn shape cover of flow section, first wheel, the first spoke spoke, the second wheel hub and the second spoke spoke, first wheel and the second wheel hub are positioned at the outer end at the center of the horn shape cover becoming flow section, first spoke spoke is connected and fixed between first wheel and the inwall of horn shape cover becoming flow section, and the second spoke spoke is connected and fixed between the second wheel hub and the inwall of horn shape cover becoming flow section; First transmission shaft is made up of the first axle journal, external splines shaft part and the second axle journal;
Described rotor position regulating device is made up of the upper outside splined shaft section of the first transmission shaft, sliding assembly and driving mechanism,
Sliding assembly is made up of the hollow multidiameter shaft of internal spline, radial ball bearing, the first thrust ball bearing, push-and-pull ring, the second thrust ball bearing, wind wheel and nut, the hollow multidiameter shaft of internal spline is set on the external splines shaft part of the first transmission shaft, it is outer and with fastening nuts that wind wheel is set in the hollow multidiameter shaft of internal spline, push-and-pull ring is enclosed within outside the hollow multidiameter shaft of internal spline by radial ball bearing, push-and-pull ring axially with the first thrust ball bearing and the second thrust ball bearing sandwiched, the right-hand member of the first screw rod and the second screw rod is fixed on push-and-pull ring;
Driving mechanism is made up of the first screw rod, collision block, two the first gears, second driving shaft, the second gear, second brake, the second coupling, motor and the second screw rods, motor is fixed on base plate, the output shaft of motor is connected with second driving shaft by the second coupling, second driving shaft supports by the 4th and the 5th support is articulated on base plate, second driving shaft arranges second brake, and the 4th supports on the second driving shaft between supporting with the 5th and sheathedly fixes the second gear; The both sides of the second gear respectively with two the first gears meshing, two the 3rd supports be articulated on base plate are sheathed on the axle journal of each first gear hub two ends extension respectively, first bore corresponds to wheel hub section and has screw thread, first screw rod and the second screw rod screw in two the first gears respectively and form screw pair, and the first screw rod and the second screw rod right-hand member are connected by bolt and push-and-pull ring;
Cabin is made up of base plate, the first support, the first break, the second support, the first coupling, generator, 4 the 3rd supports, the 4th support, the 5th support, the first position limit switch, the second position limit switch, guard bar and pole, generator is fixed on base plate, the output shaft of generator is by the first coupling and the first propeller shaft couplings, first transmission shaft arranges the first break, first break both sides support and the second supported first transmission shaft by being arranged on first on base plate, and the external splines shaft part of the first transmission shaft is through the hollow multidiameter shaft of internal spline; The bottom of the first screw rod is fixed with collision block, and base plate is provided with the first position limit switch and the second position limit switch, and the first position limit switch and the second position limit switch are positioned at the both sides of collision block; Be separately fixed on the left of wind-collection cover and be fixed on guard bar on cabin floor and pole; Pole on base plate is installed on tower bar by thrust slide bearing; Tail vane is arranged on cabin afterbody.
Working procedure of the present invention is:
When natural wind speed is lower than wind wheel threshold wind velocity, in rotor position regulating device, wind wheel is fixed on high order end in wind-collection cover by second brake braking, due to N times that the wind speed in the minimum flow section of wind-collection cover is nature wind speed, when its wind speed reaches wind wheel threshold wind velocity, wind wheel rotates through the hollow multidiameter shaft of internal spline and drives the first drive axis to make electrical power generators, along with the increase of natural wind speed, wind speed in the minimum flow section of wind-collection cover increases exponentially, until when the wind speed in the minimum flow section of wind-collection cover increases to the design maximum wind speed of wind wheel, second brake discharges, motor rotate make the second gear respectively with two the first meshed transmission gear, two the first gears form power screw with the first screw rod and the second screw rod respectively, make the first screw rod and the second screw rod synchronously promote sliding assembly by push-and-pull ring to slide to the right, the wind wheel be fixed on the hollow multidiameter shaft of the internal spline wind speed to wind-collection cover flow section that moves to right is made to be the rated wind speed position of wind wheel, motor stops operating, wind wheel is fixed on this position by second brake braking, generator generates electricity near rated power, if natural wind speed increases again, repeat aforementioned process, the wind wheel wind speed to wind-collection cover flow section that moves to right is made to be the rated wind speed reposition of wind wheel, until the collision block be fixed on the first screw rod bumps against with the second travel switch push rod be fixed on cabin floor, motor stops operating, wind wheel is fixed on low order end position by second brake, generator generates electricity near rated power, if when natural wind speed increases to the design maximum wind speed of wind wheel again, first brake, wind wheel stops operating, and generator quits work.If natural wind speed diminishes to the specified wind of wind wheel, second brake discharges, motor rotate make the second gear respectively with two the first meshed transmission gear, two the first gears form power screw with the first screw rod and the second screw rod respectively, the first screw rod and the second screw rod is made synchronously to pull sliding assembly to slide left by push-and-pull ring, the wind wheel be fixed on the hollow multidiameter shaft of the internal spline wind speed to wind-collection cover flow section that moves to left is made to be the rated wind speed position of wind wheel, motor stops operating, wind wheel is fixed on this position by second brake braking, generator generates electricity near rated power, if natural wind speed diminishes again, repeat aforementioned process, the wind wheel wind speed to wind-collection cover flow section that moves to left is made to be the rated wind speed reposition of wind wheel, until the collision block be fixed on the first screw rod bumps against with the first travel switch push rod be fixed on cabin floor, motor stops operating, wind wheel is fixed on high order end position by second brake braking, electrical power generators or stopping generating.
Beneficial effect of the present invention:
1, when wind wheel is positioned at wind-collection cover minimum flow section, wind wheel threshold wind velocity can reduce by more than one times;
2, when natural wind speed changes, by wind wheel position adjustment in the wind-collection cover becoming flow section, wind wheel can work for a long time near rated wind speed, the pneumatic efficiency of Wind wheel paddle is high, the output power of generator can long-time stable near rated power, the generating efficiency of generator is higher;
3, storage battery can not reduce working life because of long period undercharge.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present invention.
Fig. 2 is perspective exploded view of the present invention.
Fig. 3 is sectional perspective decomposing schematic representation of the present invention.
Fig. 4 is sectional view one of the present invention.
Fig. 5 is sectional view two of the present invention.
Fig. 6 is wind-collection cover sectional view of the present invention.
Fig. 7 is the first gear schematic perspective view of the present invention.
Embodiment
Refer to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the present embodiment is made up of wind-collection cover 1, wind wheel 2, first transmission shaft 3, rotor position regulating device 4, cabin 5, tail vane 6, thrust slide bearing 7 and tower bar 8; Wind-collection cover 1 forms by becoming the horn shape cover 11 of flow section, first wheel 12, first spoke spoke 13, second wheel hub 14 and the second spoke spoke 15, first wheel 12 and the second wheel hub 14 are positioned at the outer end at the center of the horn shape cover 11 becoming flow section, first spoke spoke 13 is connected and fixed between first wheel 12 and the inwall of horn shape cover 11 becoming flow section, and the second spoke spoke 15 is connected and fixed between the second wheel hub 14 and the inwall of horn shape cover 11 becoming flow section; First transmission shaft 3 is made up of the first axle journal 31, external splines shaft part 32 and the second axle journal 33;
Described rotor position regulating device 4 is made up of the upper outside splined shaft section 32 of the first transmission shaft 3, sliding assembly 40 and driving mechanism 41,
Sliding assembly 40 is made up of the hollow multidiameter shaft 400 of internal spline, radial ball bearing 401, first thrust ball bearing 402, push-and-pull ring 403, second thrust ball bearing 404, wind wheel 2 and nut 405, the hollow multidiameter shaft 400 of internal spline is set on the external splines shaft part 32 of the first transmission shaft 3, it is outer and fastening with nut 405 that wind wheel 2 is set in the hollow multidiameter shaft of internal spline 400, push-and-pull ring 403 is enclosed within outside the hollow multidiameter shaft 400 of internal spline by radial ball bearing 401, push-and-pull ring 403 axially with the first thrust ball bearing 402 and the second thrust ball bearing 404 sandwiched;
Driving mechanism 41 is by the first screw rod 410, collision block 411, two the first gears 412, second driving shaft 413, second gear 414, second brake 415, second coupling 416, motor 417 and the second screw rod 418 form, motor 417 is fixed on base plate 500, the output shaft of motor 417 is connected with second driving shaft 413 by the second coupling 416, second driving shaft 413 is articulated on base plate 500 by the 4th support 507 and the 5th support 508, second driving shaft 413 is arranged second brake 415, 4th supports and sheathedly on 507 and the 5th second driving shafts 413 supporting between 508 fixes the second gear 414, the both sides of the second gear 414 are engaged with two the first gears 412 respectively, two the 3rd of being articulated on base plate 500 support 506 and are sheathed on the axle journal 4121 of each first gear 412 wheel hub two ends extension respectively, as shown in Figure 7, first gear 412 endoporus corresponds to wheel hub section and has screw thread, first screw rod 410 and the second screw rod 418 screw in two the first gears 412 respectively and form screw pair, and the first screw rod 410 and the second screw rod 418 right-hand member are connected by bolt and push-and-pull ring 403,
Cabin 5 is by base plate 500, first supports 501, first break 502, second supports 503, first coupling 504, generator 505, 4 the 3rd support 506, 4th supports 507, 5th supports 508, first position limit switch 509, second position limit switch 510, guard bar 511 and pole 512 form, generator 505 is fixed on base plate 500, the output shaft of generator 505 is connected with the first transmission shaft 3 by the first coupling 504, first transmission shaft 3 is arranged the first break 502, first break 502 both sides support 503 support the first transmission shafts 3 by the first support 501 and second be arranged on base plate 500, the external splines shaft part 32 of the first transmission shaft 3 is through the hollow multidiameter shaft 400 of internal spline, the bottom of the first screw rod 410 is fixed with collision block 411, and base plate 500 is provided with the both sides that the first position limit switch 509 and the second position limit switch 510, first position limit switch 509 and the second position limit switch 510 are positioned at collision block 411, be separately fixed on the left of wind-collection cover 1 and be fixed on guard bar 511 on cabin 5 base plate 500 and pole 512, pole 512 on base plate 500 is installed on tower bar 8 by thrust slide bearing 7, tail vane 6 is arranged on cabin 5 afterbody.
The working procedure of the present embodiment is:
When natural wind speed is lower than wind wheel 2 threshold wind velocity, in wind wheel 2 position regulator 4, second brake 415 is braked and wind wheel 2 is fixed on high order end in wind-collection cover 1, due to N times that the wind speed in the minimum flow section of wind-collection cover 1 is nature wind speed, when its wind speed reaches wind wheel 2 threshold wind velocity, wind wheel 2 rotates through the hollow multidiameter shaft 400 of internal spline and drives the first transmission shaft 3 rotation that generator 505 is generated electricity, along with the increase of natural wind speed, wind speed in the minimum flow section of wind-collection cover 1 increases exponentially, until when the wind speed in the minimum flow section of wind-collection cover 1 increases to the design maximum wind speed of wind wheel 2, second brake 415 discharges, motor 417 rotate make the second gear 414 respectively with two the first gear 412 engagement driving, two the first gears 412 form power screw with the first screw rod 410 and the second screw rod 418 respectively, make the first screw rod 410 and the second screw rod 418 synchronously promote sliding assembly 40 by push-and-pull ring 403 to slide to the right, the wind wheel 2 be fixed on the hollow multidiameter shaft 400 of the internal spline wind speed to wind-collection cover 1 flow section that moves to right is made to be the rated wind speed position of wind wheel 2, motor 417 stops operating, second brake 415 is braked and wind wheel 2 is fixed on this position, generator 505 generates electricity near rated power, if natural wind speed increases again, repeat aforementioned process, wind wheel 2 wind speed to wind-collection cover 1 flow section that moves to right is made to be the rated wind speed reposition of wind wheel 2, until the collision block 411 be fixed on the first screw rod 410 bumps against with the second position limit switch 510 push rod be fixed on cabin 5 base plate 500, motor 417 stops operating, wind wheel 2 is fixed on low order end position by second brake 415, generator 505 generates electricity near rated power, if when natural wind speed increases to the design maximum wind speed of wind wheel 2 again, first break 502 is braked, wind wheel 2 stops operating, generator 505 quits work.If natural wind speed diminishes to the specified wind of wind wheel 2, second brake 415 discharges, motor 417 rotate make the second gear 414 respectively with two the first gear 412 engagement driving, two the first gears 412 form power screw with the first screw rod 410 and the second screw rod 418 respectively, the first screw rod 410 and the second screw rod 418 is made synchronously to pull sliding assembly 40 to slide left by push-and-pull ring 403, the wind wheel 2 be fixed on the hollow multidiameter shaft 400 of the internal spline wind speed to wind-collection cover 1 flow section that moves to left is made to be the rated wind speed position of wind wheel 2, motor 417 stops operating, second brake 415 is braked and wind wheel 2 is fixed on this position, generator 505 generates electricity near rated power, if natural wind speed diminishes again, repeat aforementioned process, wind wheel 2 wind speed to wind-collection cover 1 flow section that moves to left is made to be the rated wind speed reposition of wind wheel 2, until the collision block 411 be fixed on the first screw rod 410 bumps against with the first position limit switch 509 push rod be fixed on cabin 5 base plate 500, motor 417 stops operating, second brake 415 is braked and wind wheel 2 is fixed on high order end position, and generator 10 generates electricity or stops generating.
Claims (1)
1. the small-sized wind power generator that wind wheel position in wind-collection cover is adjustable, is characterized in that: be made up of wind-collection cover (1), wind wheel (2), the first transmission shaft (3), rotor position regulating device (4), cabin (5), tail vane (6), thrust slide bearing (7) and tower bar (8), wind-collection cover (1) is by the horn shape cover (11) becoming flow section, first wheel (12), first spoke spoke (13), second wheel hub (14) and the second spoke spoke (15) composition, first wheel (12) and the second wheel hub (14) are positioned at the outer end at the center of the horn shape cover (11) becoming flow section, first spoke spoke (13) is connected and fixed between first wheel (12) and the inwall of horn shape cover (11) becoming flow section, second spoke spoke (15) is connected and fixed between the second wheel hub (14) and the inwall of horn shape cover (11) becoming flow section, first transmission shaft (3) is made up of the first axle journal (31), external splines shaft part (32) and the second axle journal (33),
Described rotor position regulating device (4) is made up of the first transmission shaft (3) upper outside splined shaft section (32), sliding assembly (40) and driving mechanism (41),
Sliding assembly (40) is by the hollow multidiameter shaft of internal spline (400), radial ball bearing (401), first thrust ball bearing (402), push-and-pull ring (403), second thrust ball bearing (404), wind wheel (2) and nut (405) composition, the hollow multidiameter shaft of internal spline (400) is set on the external splines shaft part (32) of the first transmission shaft 3, wind wheel (2) is set in the hollow multidiameter shaft of internal spline (400) and fastening with nut (405) outward, push-and-pull ring (403) is enclosed within the hollow multidiameter shaft of internal spline (400) outward by radial ball bearing (401), push-and-pull ring (403) axially with the first thrust ball bearing (402) and the second thrust ball bearing (404) sandwiched,
Driving mechanism (41) is by the first screw rod (410), collision block (411), two the first gears (412), second driving shaft (413), second gear (414), second brake (415), second coupling (416), motor (417) and the second screw rod (418) composition, motor (417) is fixed on base plate (500), the output shaft of motor (417) is connected with second driving shaft (413) by the second coupling (416), second driving shaft (413) supports (507) by the 4th and the 5th support (508) is articulated on base plate (500), second driving shaft (413) is arranged second brake (415), second driving shaft (413) between 4th support (507) and the 5th support (508) is above sheathed fixes the second gear (414), the both sides of the second gear (414) are engaged with two the first gears (412) respectively, two the 3rd of being articulated on base plate (500) support (506) and are sheathed on the axle journal (4121) of each first gear (412) wheel hub two ends extension respectively, first gear (412) endoporus corresponds to wheel hub section and has screw thread, first screw rod (410) and the second screw rod (418) screw in two the first gears (412) respectively and form screw pair, and the first screw rod (410) and the second screw rod (418) right-hand member are connected by bolt and push-and-pull ring (403),
Described cabin (5) is by base plate (500), first supports (501), first break (502), second supports (503), first coupling (504), generator (505), 4 the 3rd support (506), 4th supports (507), 5th supports (508), first position limit switch (509), second position limit switch (510), guard bar (511) and pole (512) composition, generator (505) is fixed on base plate (500), the output shaft of generator (505) is connected with the first transmission shaft (3) by the first coupling (504), first transmission shaft (3) is arranged the first break (502), first break (502) both sides support (501) and the second supported first transmission shaft (3) by being arranged on first on base plate (500), the external splines shaft part (32) of the first transmission shaft (3) is through the hollow multidiameter shaft of internal spline (400), the bottom of the first screw rod (410) is fixed with collision block (411), base plate (500) is provided with the first position limit switch (509) and the second position limit switch (510), and the first position limit switch (509) and the second position limit switch (510) are positioned at the both sides of collision block (411), wind-collection cover (1) left side is separately fixed at and is fixed on guard bar (511) on cabin (5) base plate (500) and pole (512), pole (512) on base plate (500) is installed on tower bar (8) by thrust slide bearing (7), tail vane (6) is arranged on cabin (5) afterbody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410091161.6A CN103821671B (en) | 2014-03-13 | 2014-03-13 | The small-sized wind power generator that wind wheel position in wind-collection cover is adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410091161.6A CN103821671B (en) | 2014-03-13 | 2014-03-13 | The small-sized wind power generator that wind wheel position in wind-collection cover is adjustable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103821671A CN103821671A (en) | 2014-05-28 |
| CN103821671B true CN103821671B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410091161.6A Expired - Fee Related CN103821671B (en) | 2014-03-13 | 2014-03-13 | The small-sized wind power generator that wind wheel position in wind-collection cover is adjustable |
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| CN (1) | CN103821671B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443070A (en) * | 2018-02-12 | 2018-08-24 | 方晓妹 | A kind of wind-driven generator with automatic protection functions for power transmission electric network |
| CN111396126B (en) * | 2020-03-30 | 2021-09-28 | 中铁二院工程集团有限责任公司 | Tunnel pucking prevention and control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4213734A (en) * | 1978-07-20 | 1980-07-22 | Lagg Jerry W | Turbine power generator |
| CN2448941Y (en) * | 2000-11-17 | 2001-09-19 | 陈晓忠 | Self-adaptive wind hood type speed regulator for small size wind power electricity generator |
| CN202971037U (en) * | 2012-11-26 | 2013-06-05 | 宁波大学 | Moving type wind energy gathering device |
| CN203742901U (en) * | 2014-03-13 | 2014-07-30 | 昆明学院 | Minitype wind driven generator capable of adjusting position of wind wheel in wind collecting cover |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009025377A (en) * | 2007-07-17 | 2009-02-05 | Konica Minolta Opto Inc | Drive unit and manufacture method for drive unit |
-
2014
- 2014-03-13 CN CN201410091161.6A patent/CN103821671B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4213734A (en) * | 1978-07-20 | 1980-07-22 | Lagg Jerry W | Turbine power generator |
| CN2448941Y (en) * | 2000-11-17 | 2001-09-19 | 陈晓忠 | Self-adaptive wind hood type speed regulator for small size wind power electricity generator |
| CN202971037U (en) * | 2012-11-26 | 2013-06-05 | 宁波大学 | Moving type wind energy gathering device |
| CN203742901U (en) * | 2014-03-13 | 2014-07-30 | 昆明学院 | Minitype wind driven generator capable of adjusting position of wind wheel in wind collecting cover |
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| CN103821671A (en) | 2014-05-28 |
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