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Novel wave power generation device

A power generation device and wave energy technology, which is applied to ocean energy power generation, engine components, machines/engines, etc., can solve the problems of low reliability, different emphases, and low efficiency of wave energy conversion, so as to avoid seawater corrosion and improve Flexibility, the effect of reducing energy loss

Inactive Publication Date: 2017-05-10
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since these problems should be considered in the process of converting wave energy into electric energy, it leads to different solutions with different emphases, resulting in the diversity and divergence of wave energy technology.
Until now, various technologies for converting wave energy into electrical energy have low reliability or low efficiency, and there are few satisfactory solutions

Method used

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Experimental program
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Embodiment 1

[0018] like figure 1 As shown, the linear generator 4 is directly sealed and placed inside the oscillating float 1. The material of the oscillating float is ordinary carbon structural steel (Q235). The linear generator 4 is composed of a mover 8, a stator 9 and a stator fixing frame 11. The frame 11 is fixed inside the oscillating float 1 by bolts, one end of the mover 8 of the linear generator 4 is connected with the oscillating float 1 through a spring 5, and the other end of the mover 8 of the linear generator 4 passes through the guide wheel 3 and the underwater The damping device 7 is connected, and there are 4 guide wheels 3, the positions of which are as follows: figure 1 As shown, the underwater damping device 7 is fixed underwater by the cable 2, and is flexibly connected with the oscillating float 1. In order to prevent water from intruding into the oscillating float 1 and ensure the sealing effect, a cable channel 12 placed in the water is provided at one end of the...

Embodiment 2

[0021] like figure 2 As shown, it is another embodiment of the present invention, the moving direction of the mover 8 of the linear generator 4 is set to be perpendicular to the horizontal plane, the number of three guide wheels is set to two, and the position is as follows figure 2 As shown, one end of the mover 8 of the linear generator 4 is connected with the oscillating buoy 1 through a rubber band 51 . Under the excitation of the wave 6, the oscillating float 1 vibrates up and down, and drives the mover 8 of the linear generator 4 to perform a reciprocating linear motion through the cable 2. The mover 8 moves perpendicular to the horizontal plane, and the stator 9 is fixed on the stator fixing frame 11 for maintenance. Relative to the static state, the movement of the mover 8 changes the magnetic flux in the coil of the stator 9 to generate an induced electromotive force to realize power generation.

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Abstract

The invention discloses a novel wave power generation device, and belongs to the technical field of power generation equipment. The novel wave power generation device comprises a vibration floater, a mooring rope, a guide wheel, a linear generator, an underwater damping device and an elastic connection component, wherein the vibration floater is directly connected to the linear generator through the mooring rope and the elastic connection component, the linear generator is composed of a mover, a stator and a stator fixing frame, the linear generator is placed in the vibration floater in a sealed mode, and the vibration floater is flexibly connected to the underwater damping device. Under the excitation of waves, the vibration floater vibrates up and down and drives the mover of the linear generator to conduct rectilinear motion through the mooring rope, the movement of the mover makes magnetic flux in a stator coil change so as to generate induced electromotive force, and so that wave power generation is achieved. According to the novel wave power generation device, the problem that in the prior art, reliability and low efficiency are contradictory in a wave power generation device is solved, and the purpose that considerations are given to both reliability and high efficiency is achieved.

Description

technical field [0001] The invention belongs to the technical field of power generation equipment, and relates to a power generation device, in particular to a wave energy power generation device. Background technique [0002] Wave energy is a renewable energy stored in the ocean. Wave energy power generation is to first convert wave energy into reciprocating mechanical energy through a wave energy conversion device, and then convert it into the required power or electrical energy through a power intake system. Wave power generation is the fastest-growing form of marine energy utilization after tidal power generation. Wave energy has high energy flow density, huge reserves and wide distribution. It is the main direction of future ocean energy utilization and development, and will play a key role in ocean development and coastal defense. [0003] At present, the three problems of low reliability, low efficiency and high cost are the main obstacles to the utilization of wave ...

Claims

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Application Information

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IPC IPC(8): F03B13/14
CPCF03B13/14F05B2220/7066F05B2220/707Y02E10/30
Inventor 高大晓刘奇
Owner OCEAN UNIV OF CHINA
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