Movable wing-type lifting high-power vertical axis wind turbine

Abstract

The invention discloses a vertical-axis lift type wind turbine applied in the field of wind energy utilization, aiming at overcoming the disadvantages of unstable structure and poor safety under super-strong wind when the power of the vertical-axis wind wheel is increased. In order to make the large-sized blades survive safely under dangerously high wind speeds when shutting down, a special structure is adopted to allow the blades to automatically adjust their angles to follow the wind direction, so that the blades have the smallest wind area and the smallest resistance; the power can be maximized When the arm is very long, the blades are heavy, and the load of the arm is heavy, the solution of adding fulcrum and track is adopted, and the gravity of the wind wheel is transmitted to the circular track through the leg and roller, and the fulcrum moves periodically with the arm; the cross arm is outsourced The airfoil generates lift to offset part of the gravity; the outer surface of the leg moving with the cross arm is made into a blade airfoil, which can also provide power; adding a resistance type wind wheel to the center of the wind wheel and above the base of the arm can increase the height The rooting point of the stay cable ensures the pulling force of the stay cable and increases the starting moment and operating power of the entire wind wheel.

Description

[0001] Moving wing lift type high power vertical axis wind turbine technical field [0002] The invention belongs to the field of wind energy utilization, and relates to the technology of a vertical axis wind power generator, in particular to a lift type high power vertical axis wind power machine technology with movable blades. Background technique [0003] The wind wheel is a device that converts wind energy into mechanical energy. It is the key to the performance of the wind turbine and the focus of engineering application improvement research. The focus of wind wheel research is the blade and its arm structure. [0004] Wind turbines are divided into two categories: horizontal axis and vertical axis. Vertical axis wind turbines (referred to as vertical axis wind turbines) are divided into two types: drag type and lift type. The lift type is more efficient, and the most efficient and most common is the H-type lift type. What the present invention studies is also the H-t...

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