Method and mechanism for controlling propeller pitch angle of vertical-axis wind turbine with magnetic force and wind power
The invention relates to a technology for directly controlling the propeller pitch angle of a blade by adopting magnetic force and wind power. The technology comprises the following steps of: connecting a rotor comprising magnetic elements with the outer side of a rotating shaft of the blade, coaxia...
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| creator | CAO LIANPENG |
| description | The invention relates to a technology for directly controlling the propeller pitch angle of a blade by adopting magnetic force and wind power. The technology comprises the following steps of: connecting a rotor comprising magnetic elements with the outer side of a rotating shaft of the blade, coaxially rotating the rotor along with the blade, forming a stator by the magnetic elements connected with a wind wheel bracket; enabling the stator and the rotor to mutually act through the magnetic force, stopping the blade in a non-deflection position by the acting force in case of lacking the influence of wind power; and stopping the rotor rotating by the stator through magnetic force when the blade is driven by wind power and rotates downwind because the rotating shaft of the blade is arranged at the front side of the pressure center of the blade, increasing the acting force of the stator along with the increase of a deflection angle and rotating the blade to a position where the two forcesare balanced. The magneti |
| format | Patent |
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The technology comprises the following steps of: connecting a rotor comprising magnetic elements with the outer side of a rotating shaft of the blade, coaxially rotating the rotor along with the blade, forming a stator by the magnetic elements connected with a wind wheel bracket; enabling the stator and the rotor to mutually act through the magnetic force, stopping the blade in a non-deflection position by the acting force in case of lacking the influence of wind power; and stopping the rotor rotating by the stator through magnetic force when the blade is driven by wind power and rotates downwind because the rotating shaft of the blade is arranged at the front side of the pressure center of the blade, increasing the acting force of the stator along with the increase of a deflection angle and rotating the blade to a position where the two forcesare balanced. 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The technology comprises the following steps of: connecting a rotor comprising magnetic elements with the outer side of a rotating shaft of the blade, coaxially rotating the rotor along with the blade, forming a stator by the magnetic elements connected with a wind wheel bracket; enabling the stator and the rotor to mutually act through the magnetic force, stopping the blade in a non-deflection position by the acting force in case of lacking the influence of wind power; and stopping the rotor rotating by the stator through magnetic force when the blade is driven by wind power and rotates downwind because the rotating shaft of the blade is arranged at the front side of the pressure center of the blade, increasing the acting force of the stator along with the increase of a deflection angle and rotating the blade to a position where the two forcesare balanced. 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The technology comprises the following steps of: connecting a rotor comprising magnetic elements with the outer side of a rotating shaft of the blade, coaxially rotating the rotor along with the blade, forming a stator by the magnetic elements connected with a wind wheel bracket; enabling the stator and the rotor to mutually act through the magnetic force, stopping the blade in a non-deflection position by the acting force in case of lacking the influence of wind power; and stopping the rotor rotating by the stator through magnetic force when the blade is driven by wind power and rotates downwind because the rotating shaft of the blade is arranged at the front side of the pressure center of the blade, increasing the acting force of the stator along with the increase of a deflection angle and rotating the blade to a position where the two forcesare balanced. The magneti</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN102011702A |
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| subjects | BLASTING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS |
| title | Method and mechanism for controlling propeller pitch angle of vertical-axis wind turbine with magnetic force and wind power |
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