Vertical-axis ocean current energy power generation device based on Magnus effect

Abstract

The invention provides an ocean current energy power generation device energy obtaining mechanism based on the Magnus effect. The ocean current energy power generation device energy obtaining mechanism comprises a plurality of combined impellers, connecting rings and a shaft. The ocean current energy power generation device energy obtaining mechanism is characterized in that each combined impellercomprises a circular pipe and two Savonius type blades, two ends of the circular pipe are coaxially and fixedly connected with one Savonius type blade correspondingly, the circular pipe is arranged between the two connecting rings through the shaft, and the multiple combined impellers are uniformly distributed along the connecting rings; and the combined impellers rotate around the shaft under the action of ocean current and pushes the connecting rings to rotate. The ocean current energy power generation device energy obtaining mechanism based on the Magnus effect is simple in structure and convenient to manufacture, incoming flow in all directions can be captured, a reversing mechanism is not needed, vortex-induced vibration can be effectively restrained, underwater operation noise is lowered, and the service life is prolonged.

Description

technical field [0001] The invention relates to the technical field of ocean current energy power generation, in particular to an energy-capturing mechanism for a vertical axis ocean current energy power generation device. Background technique [0002] At present, the development of green new energy is a research hotspot all over the world. Ocean current energy, as a clean and renewable energy with huge storage capacity, has broad prospects for its development and utilization. The ocean current energy generating device is a device that converts ocean kinetic energy into electrical energy, and the energy harvesting mechanism is an important part of the ocean current energy generating device. According to the position of the rotation axis of the energy-capturing mechanism (impeller) and the direction of water flow, it can be divided into horizontal axis type and vertical axis type. [0003] For an object rotating in a fluid, the fluid velocity on both sides of the object prod...

AI Technical Summary

Problems solved by technology

The disadvantages are: the curved surface of the blade is complex, the processing difficulty and cost are high; the reversing or pitch mechanism is required to adapt to the bidirectional power flow characteristics, these mechanical components reduce the reliability of the long-term operation of the device; the generator is generally placed under water, and the sealing is difficult ,high cost

Disadvantages are: low conversion efficiency, complex alternation of impeller load

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