CN204572355U - A kind of wind-driven generator - Google Patents
A kind of wind-driven generator Download PDFInfo
- Publication number
- CN204572355U CN204572355U CN201520236723.1U CN201520236723U CN204572355U CN 204572355 U CN204572355 U CN 204572355U CN 201520236723 U CN201520236723 U CN 201520236723U CN 204572355 U CN204572355 U CN 204572355U
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- turbine
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- hydraulic couplers
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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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- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
A kind of wind-driven generator, belong to technical field of wind power generation, comprise flabellum, speed changer and generator, flabellum is connected with the power input shaft of speed changer, variable-speed hydraulic couplers is provided with between speed changer and generator, the power input shaft of variable-speed hydraulic couplers connects the pto＝power take-off of speed changer, and the pto＝power take-off of variable-speed hydraulic couplers connects the power input shaft of generator; Variable-speed hydraulic couplers comprises housing, pump impeller and turbine is provided with in housing, pump impeller is fixedly set on the power input shaft of variable-speed hydraulic couplers, turbine is fixedly set on the pto＝power take-off of variable-speed hydraulic couplers, turbine wheel angle on turbine can be adjusted by turbine wheel adjusting angle mechanism, turbine wheel adjusting angle mechanism is connected to controller, and controller is also connected with speed probe, and described speed probe is arranged on the pto＝power take-off of speed changer.The utility model effectively adjusts velocity ratio, reduces wind speed and rises to the impact of generator component and the electric power exporting constant frequency.
Description
Technical field:
The utility model belongs to technical field of wind power generation, is specifically related to a kind of based on the hydraulic couplers of velocity ratio realizing the wind-driven generator of constant-speed and constant-frequency generating.
Background technique:
In recent years, wind-driven generator forward is high-power, high efficiency, high reliability and low cost future development, and the research and development of products substituting traditional variable speed constant frequency starts to become a kind of trend.Modern wind power generator incorporated in power network mainly contains constant-speed and constant-frequency and variable speed constant frequency two type.
Constant-speed and constant-frequency wind-driven generator is divided into fix pitch HAWT wind energy conversion system, pitch-controlled wind-driven generator and deliberate speed loss regulation technology generator.Their shortcomings mainly contain: one is that constant-speed and constant-frequency wind-driven generator rotating speed can not become with wind speed, thus not high to the utilization ratio of wind energy; Two is concerning constant-speed and constant-frequency wind-driven generator, when wind speed rises to, huge wind energy will pass to the parts such as main shaft, gear-box and generator by generator flabellum, produce very large mechanical stress on these parts, if wind speed rises to frequently, then may cause the fatigue damage of these parts; Three may produce larger rush of current when being grid-connected, thus have an impact to the stability of electrical network.
Speed-variable frequency-constant wind-driven generator uses the combination of speed control system and feather regulation technology link, along with the continuous increase of the single-machine capacity of wind-driven generator, speed-variable frequency-constant wind-driven generator more can improve capturing wind energy efficiency, acquisition optimum capacity exports, and thus occupies the leading position of wind-driven generator gradually.But traditional variable speed constant frequency transmission system adds converter plant between wind-driven generator and electrical network, expensive, and lose very macro-energy, also the strong reaction of electrical network can be subject to, the physical dimension of whole generator system is increased, thus the physical dimension in Wind turbine cabin and weight are increased.
Model utility content:
For solving prior art Problems existing, the utility model proposes a kind of wind-driven generator applying variable-speed hydraulic couplers.For achieving the above object, the utility model is by the following technical solutions:
A kind of wind-driven generator, comprise flabellum, speed changer and generator, flabellum is connected with the power input shaft of speed changer, be characterized in, variable-speed hydraulic couplers is provided with between speed changer and generator, the power input shaft of described variable-speed hydraulic couplers connects the pto＝power take-off of speed changer, and the pto＝power take-off of variable-speed hydraulic couplers connects the power input shaft of generator; Described variable-speed hydraulic couplers comprises housing, pump impeller and turbine is provided with in housing, described pump impeller is fixedly set on the power input shaft of variable-speed hydraulic couplers, described turbine is fixedly set on the pto＝power take-off of variable-speed hydraulic couplers, turbine wheel angle on turbine can be adjusted by turbine wheel adjusting angle mechanism, described turbine wheel adjusting angle mechanism is connected to controller, and controller is also connected with speed probe, and described speed probe is arranged on the pto＝power take-off of speed changer.
Described turbine wheel adjusting angle mechanism comprises rotating plate, it is outer and can rotate that described rotating plate is sleeved on turbine, turbine wheel is fixedly installed on turbine bobbin, turbine bobbin is arranged on turbine by bearing, turbine bobbin is connected with one end of deflecting bar, the other end of deflecting bar is provided with knuckle pin, rotating plate is provided with and corresponding with knuckle pin turns to through hole, described knuckle pin is arranged on and turns in through hole, also electric pushrod is provided with in the housing of variable-speed hydraulic couplers, one end of described electric pushrod connects turbine, and the other end connects rotating plate.
One end of described electric pushrod is fixedly connected on turbine side, the other end is connected with slide blocks, slide blocks is arranged on turbine side and can in turbine side slip, slide blocks is provided with limiting stopper, described limiting stopper is two pieces, leave restraining groove between two pieces of limiting stoppers, rotating plate is provided with the pushing pin corresponding with the restraining groove of limiting stopper, described pushing pin is arranged in restraining groove.
Described electric pushrod is connected with the receiving terminal of wireless power transmission device, and the transmitting terminal of described wireless power transmission device is arranged on outside housing, and wireless power transmission device is connected to controller.
The beneficial effects of the utility model: effectively adjust velocity ratio, reduce wind speed and rise to the impact of generator component and the electric power exporting constant frequency.
Accompanying drawing illustrates:
Fig. 1 is the stereogram of an embodiment of the present utility model;
Fig. 2 is the structural representation of the variable-speed hydraulic couplers of Fig. 1;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the turbine of Fig. 2 and the phantom of rotating plate;
Wherein: 1-generator, 2-variable-speed hydraulic couplers, 3-speed changer, 4-flabellum, 5-diverter, the power input shaft of 6-variable-speed hydraulic couplers, the pto＝power take-off of 7-variable-speed hydraulic couplers, 8-pump impeller, 9-turbine wheel, 10-guide plate, 11-turbine, 12-rotating plate, 13-electric pushrod, 14-slide blocks, 15-limiting stopper, 16-receiving coil, 17-receiving chip, 18-pushing pin, 19-turns to through hole, 20-knuckle pin, 21-deflecting bar, 22-turbine bobbin.
Embodiment:
Below in conjunction with drawings and Examples, the utility model is described in further details: as shown in Figure 1 to 4, a kind of wind-driven generator, comprise flabellum 4, speed changer 3 and generator 1, the axle of flabellum 4 is provided with diverter 5, diverter 5 is two bevel gears be meshed, the power of flabellum 4 can be made to turn, the pto＝power take-off of diverter 5 is connected with the power input shaft of speed changer 3, variable-speed hydraulic couplers 2 is provided with between speed changer 3 and generator 1, the power input shaft 6 of described variable-speed hydraulic couplers connects the pto＝power take-off of speed changer 3, the pto＝power take-off 7 of variable-speed hydraulic couplers connects the power input shaft of generator, described variable-speed hydraulic couplers 2 comprises housing, pump impeller 8 and turbine 11 is provided with in housing, described pump impeller 8 is fixedly set on the power input shaft 6 of variable-speed hydraulic couplers, turbine 11 is fixedly set on the pto＝power take-off 7 of variable-speed hydraulic couplers, turbine wheel 9 angle on described turbine 11 can be adjusted by turbine wheel adjusting angle mechanism, described turbine wheel adjusting angle mechanism is connected to controller, controller is also connected with speed probe, described speed probe is that GM70486 encoded transducer is strangled by section, its rotating speed collection terminal is arranged on the pto＝power take-off of speed changer 3, controller can monitor the rotating speed of flabellum 4 by the output pulse of rotary encoder.
Described turbine wheel adjusting angle mechanism comprises rotating plate 12, it is outer and can rotate around turbine 11 that described rotating plate 12 is sleeved on turbine 11, turbine wheel 9 is fixedly installed on turbine bobbin 22, turbine bobbin 22 is arranged on turbine 11 by bearing, turbine bobbin 22 is connected with one end of deflecting bar 21, the other end of deflecting bar 21 is provided with knuckle pin 20, rotating plate 12 is provided with and corresponding with knuckle pin 20 turns to through hole 19, described knuckle pin 20 is arranged on and turns in through hole 19, electric pushrod 13 is also provided with in the housing of variable-speed hydraulic couplers 2, one end of described electric pushrod 13 is fixedly connected on turbine 11 side by component, the other end is connected with slide blocks 14, slide blocks 14 is arranged on turbine 11 side and can in turbine 11 side slip, slide blocks 14 is provided with limiting stopper 15, described limiting stopper 15 is two pieces, restraining groove is left between two pieces of limiting stoppers 15, rotating plate 12 is provided with the pushing pin 18 corresponding with the restraining groove of limiting stopper 15, described pushing pin 18 is arranged in restraining groove.As shown in Figure 3, when electric pushrod 13 extends, slide blocks 14 will slide left, by the effect of limiting stopper 15 and pushing pin 18, rotating plate 12 is rotated counterclockwise relative to pump impeller 8, and then by turning to through hole 19 to promote knuckle pin 20, each turbine wheel 9 is also rotated counterclockwise.When pump impeller 8 rotates, the transmission oil of variable-speed hydraulic couplers 2 inside is by guide plate 10 and drive turbine wheel 9 to rotate, in Fig. 2 and Fig. 4, turbine wheel 9 is the state approximately perpendicular to turbine 11 and rotating plate 12 cylindrical tangent line, and now velocity ratio is lower, when electric pushrod 13 promote rotating plate 12 rotate counterclockwise time, velocity ratio can increase gradually, and the rotating ratio of the relative pump impeller 8 of turbine 11 can improve, otherwise, when electric pushrod 13 shrinks, the rotating ratio of the relative pump impeller 8 of turbine 11 can reduce.
The receiving terminal of wireless power transmission device is provided with in housing, the receiving terminal of wireless power transmission device comprises receiving coil 16 and receiving chip 17, receiving coil 16 is fixedly installed on turbine 11 side, receiving coil 16 is connected to receiving chip 17, receiving chip 17 is also arranged on turbine 11 side and is connected to electric pushrod 13, for electric pushrod 13 provides electric power, the transmitting terminal of described wireless power transmission device is arranged on outside housing, wireless power transmission device is connected to controller, and wireless power transmission device is Ling Yang silicon rubber insulator XP-3 type wireless power transmission device.
The present embodiment is in running, controller detects the rotating speed of flabellum 4 by speed probe, when flabellum 4 rotating speed is too high, the electric power of electric pushrod 13 is reduced by the transmitting terminal of wireless power transmission device, electric pushrod 13 is shunk, rotating to the direction perpendicular to rotating plate 12 and turbine 11 cylindrical tangent line gradually of turbine wheel 9, and then the rotating speed of pto＝power take-off 7 reducing variable-speed hydraulic couplers; Otherwise when flabellum 4 rotating speed is too low, controller controls electric pushrod 13 and extends, and then the rotating speed of the pto＝power take-off 7 of variable-speed hydraulic couplers is improved, above action object is and makes the rotating speed of generator 1 keep constant, and then make generating frequency and power maintain steady state value, thus unstable wind-force is reduced on the impact of grid stability.
Claims (4)
1. a wind-driven generator, comprise flabellum, speed changer and generator, flabellum is connected with the power input shaft of speed changer, it is characterized in that, variable-speed hydraulic couplers is provided with between speed changer and generator, the power input shaft of described variable-speed hydraulic couplers connects the pto＝power take-off of speed changer, and the pto＝power take-off of variable-speed hydraulic couplers connects the power input shaft of generator; Described variable-speed hydraulic couplers comprises housing, pump impeller and turbine is provided with in housing, described pump impeller is fixedly set on the power input shaft of variable-speed hydraulic couplers, described turbine is fixedly set on the pto＝power take-off of variable-speed hydraulic couplers, turbine wheel angle on turbine can be adjusted by turbine wheel adjusting angle mechanism, described turbine wheel adjusting angle mechanism is connected to controller, and controller is also connected with speed probe, and described speed probe is arranged on the pto＝power take-off of speed changer.
2. wind-driven generator according to claim 1, it is characterized in that, described turbine wheel adjusting angle mechanism comprises rotating plate, it is outer and can rotate that described rotating plate is sleeved on turbine, turbine wheel is fixedly installed on turbine bobbin, turbine bobbin is arranged on turbine by bearing, turbine bobbin is connected with one end of deflecting bar, the other end of deflecting bar is provided with knuckle pin, rotating plate is provided with and corresponding with knuckle pin turns to through hole, described knuckle pin is arranged on and turns in through hole, also electric pushrod is provided with in the housing of variable-speed hydraulic couplers, one end of described electric pushrod connects turbine, the other end connects rotating plate.
3. wind-driven generator according to claim 2, it is characterized in that, one end of described electric pushrod is fixedly connected on turbine side, the other end is connected with slide blocks, and slide blocks is arranged on turbine side and in turbine side slip, slide blocks can be provided with limiting stopper, described limiting stopper is two pieces, leave restraining groove between two pieces of limiting stoppers, rotating plate is provided with the pushing pin corresponding with the restraining groove of limiting stopper, described pushing pin is arranged in restraining groove.
4. wind-driven generator according to claim 2, is characterized in that, described electric pushrod is connected with the receiving terminal of wireless power transmission device, and the transmitting terminal of described wireless power transmission device is arranged on outside housing, and wireless power transmission device is connected to controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236723.1U CN204572355U (en) | 2015-04-17 | 2015-04-17 | A kind of wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236723.1U CN204572355U (en) | 2015-04-17 | 2015-04-17 | A kind of wind-driven generator |
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| Publication Number | Publication Date |
|---|---|
| CN204572355U true CN204572355U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520236723.1U Expired - Fee Related CN204572355U (en) | 2015-04-17 | 2015-04-17 | A kind of wind-driven generator |
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| CN (1) | CN204572355U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422782A (en) * | 2015-12-11 | 2016-03-23 | 哈尔滨工程大学 | Turbine blade adjustable type hydraulic coupler |
| CN106286143A (en) * | 2016-09-20 | 2017-01-04 | 广东技术师范学院 | Hydraulic power wind-driven generator |
| CN109841158A (en) * | 2017-11-28 | 2019-06-04 | 深圳市合利来科技有限公司 | A kind of LED display convenient for radiating and can be dust-proof |
| CN110068165A (en) * | 2019-05-14 | 2019-07-30 | 上海电力学院 | The flexible starter of stirring-type wind-force heating device |
| CN110821757A (en) * | 2019-10-16 | 2020-02-21 | 华电电力科学研究院有限公司 | Wind turbine generator hydraulic coupler transmission device and working method thereof |
-
2015
- 2015-04-17 CN CN201520236723.1U patent/CN204572355U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422782A (en) * | 2015-12-11 | 2016-03-23 | 哈尔滨工程大学 | Turbine blade adjustable type hydraulic coupler |
| CN106286143A (en) * | 2016-09-20 | 2017-01-04 | 广东技术师范学院 | Hydraulic power wind-driven generator |
| CN106286143B (en) * | 2016-09-20 | 2019-04-23 | 广东技术师范学院 | Hydraulic power wind-driven generator |
| CN109841158A (en) * | 2017-11-28 | 2019-06-04 | 深圳市合利来科技有限公司 | A kind of LED display convenient for radiating and can be dust-proof |
| CN110068165A (en) * | 2019-05-14 | 2019-07-30 | 上海电力学院 | The flexible starter of stirring-type wind-force heating device |
| CN110821757A (en) * | 2019-10-16 | 2020-02-21 | 华电电力科学研究院有限公司 | Wind turbine generator hydraulic coupler transmission device and working method thereof |
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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: 20150819 Termination date: 20160417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |