Small horizontal shaft roller type breeze wind power generation device

Abstract

The invention discloses a small horizontal shaft roller type breeze wind power generation device. The device comprises an air guide cylinder of a quadrilateral conical cylinder structure and a horizontal rolling shaft type blade wheel arranged in the air guide cylinder. The rolling shaft type blade wheel is connected with a permanent magnet direct-current generator through a transmission device, and a rotatable air guide plate is further arranged in the air guide cylinder. Due to the conical design of the air guide cylinder and the arrangement of the rotatable air guide plate, the windward area of an upper air guide cylinder can be enlarged, the effect of compressing air is achieved, the air pressure value of an upper air guide groove is greatly increased, and the flow speed of air is increased. The design of increasing the rotating speed is adopted to improve the effectiveness of power generation, and the aim of normal power generation under the low rotating speed of breeze is well achieved. A blade wheel belt transmission wheel and a generator belt transmission wheel are arranged at the outer side of the air guide cylinder, so that daily maintenance is facilitated.

Description

Technical field [0001] The invention relates to the technical field of wind power generation, in particular to a small horizontal axis roller type breeze wind power generation device. Background technique [0002] my country's power production is vigorously developing new energy sources. Among them, wind energy is an important part. The wind turbines used in commercial production are mainly horizontal-axis blade wind turbines. At present, the main wind farms are mainly large-scale wind generators. However, small wind turbines are mainly used for off-grid wind power generation from ships due to their relatively small power generation. Small wind turbines mainly adopt small horizontal axis blade type and vertical axis spiral blade type. The current small wind turbines have the following disadvantages: [0003] (1) Small horizontal axis blade type wind turbine, although the wind area is large, the actual wind contact surface of the blade is not large, the utilization efficiency o...

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Problems solved by technology

[0004] (2) Small horizontal axis paddle-type wind turbines need to erect higher supports because of their large wind-passing area; there is a danger of overturning when subjected to high wind speeds, so a large foundation is required

[0005] (3) The vertical shaft spiral blade type, because of its small wind passing area, although the speed is fast, its rotational torque is small, and it is difficult to generate large electric energy

[0006] (4) Most of the small wind turbines directly use the speed of the impeller to generate electricity without gear transmission acceleration, and the voltage of the generated energy is low

Difficult to use

[0007] (5) When the existing small wind power generator has a large wind speed, because there is no device to automatically reduce the wind speed, the motor will be damaged due to an accident due to excessive speed

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