Contra-rotating paddle ocean current energy power generation device applying magnetic coupling

Abstract

The invention discloses a contra-rotating paddle ocean current energy power generation device applying a magnetic coupling. The contra-rotating paddle ocean current energy power generation device comprises a shell, a contra-rotating impeller, a steering and yawing device, a magnetic coupling device, a mechanical speed change device and a power generator device. The contra-rotating impeller is installed at the front end of the power generation device, blades rotate around a center shaft under the impact of incoming flow and generate tangential force for driving a rotating shaft to rotate, and the two sets of blades transmit torque to the input end of the magnetic coupling through an inner shaft and an outer shaft respectively. The magnetic coupling transmits the torque of a contra-rotating shaft from the outside of the power generation device to the inside of the power generation device in a non-contact manner by using the combination of an axial coupling and a radial coupling in a push-and-pull coupling transmission manner of permanent magnets in heteropole arrangement. The mechanical speed change device conducts torque coupling on contra-rotating torque, single-shaft output is achieved, and speed change is conducted through a gear mechanism. An inner rotor of a generator is connected with the mechanical speed change device and rotates along with the mechanical speed change device to achieve the cutting magnetic induction line motion with an outer stator for power generation. The device is compact in structure and high in kinetic energy conversion rate.

Description

Technical field [0001] The present invention is in the field of ocean current power generation, particularly relates to an application of the magnetic coupling Kaplan ocean current power generation apparatus. Background technique [0002] Energy is a key factor in development of human society, and non-renewable fossil fuel energy to achieve sustainable development of human society, in today's world have set his sights on the development and use of renewable energy, ocean current energy is one of them. Current energy utilized is seawater directional flow the kinetic energy, highly predictable, energy density, and clean renewable waves by impact of small features. Meanwhile, my country's current energy reserves are abundant, development and utilization of its enormous potential. If the flow of energy into the sea Seafloor Observatory Network in power, while meeting its electricity needs with low flow rate and high reliability, good start performance and efficient conversion of kine...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems that the existing ocean current power generation device cannot adapt to complex sea conditions, low energy conversion efficiency, large sealing loss, and complex coupling structure and difficult sealing during torque transmission, the present invention proposes a permanent magnet, through magnetic force A counter-rotating propeller sea current power generation device that realizes counter-rotating power transmission by means of coupling transmission

Images