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A device for improving the efficiency of wave power generation and its manufacturing method

A technology of power generation device and wave power generation, which is applied in the fields of ocean energy power generation, engine components, machines/engines, etc., can solve the problems of low power generation efficiency, and achieve the effects of improving power generation efficiency, simple structure and low cost

Active Publication Date: 2017-07-11
HOHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, wave energy is one of the most unstable energy sources in ocean energy, and the power generation efficiency is low

Method used

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  • A device for improving the efficiency of wave power generation and its manufacturing method
  • A device for improving the efficiency of wave power generation and its manufacturing method
  • A device for improving the efficiency of wave power generation and its manufacturing method

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Embodiment 1

[0033] Such as Figure 1 to Figure 3 As shown, a device for improving wave power generation efficiency includes a wave energy concentrating device 10 and a wave energy collecting and converting device 11 . The wave energy concentrating device 10 is composed of five half-sine crest cylinders 1 arranged periodically, the wavelength of the wave crest cylinder 1 is half the wavelength of the regular incident water wave, and the periodic undulation extension direction of the wave energy concentrating device 10 is consistent with the direction of the incident wave. The distance between every two crest cylinders 1 is half of the wavelength of the wave crest cylinders 1, and the incident wave passes through the wave energy concentrating device 10 and is reflected by Bragg resonance, forming a standing wave region on the wave-facing side. The wave energy collection and conversion device 11 includes a fixed bracket 2, a metal panel 4, a stator 5 of a wave energy generator, a metal conne...

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Abstract

A device for increasing efficiency of wave power generation and manufacturing method thereof. The device comprises a wave energy concentration device (10) and a wave energy collection and conversion device (11). The wave energy concentration device (10) comprises a plurality of wave-crest columns (1) periodically arranged. Incident waves pass through the wave energy concentration device (10) and are reflected due to Bragg resonance, thereby forming a standing wave region at a wave-approach side thereof. The wave energy collection and conversion device (11) comprises a fixed support (2), a metal panel (4) and a wave power generator device, wherein the fixed support (2) is disposed in the standing wave region, the metal panel (4) is welded on the fixed support (2) and the wave power generator device is movably disposed on the metal panel (4). By arranging periodical wave-crest columns to create Bragg resonance for incident waves so as to concentrate the wave energy to a specific region, the device for increasing efficiency of wave power generation and manufacturing method thereof increases the power generation efficiency of the wave power generation device.

Description

technical field [0001] The invention relates to the technical field of developing and utilizing marine renewable energy, in particular to a device for improving wave power generation efficiency based on the Bragg resonance principle and a manufacturing method thereof. Background technique [0002] The ocean covers 70% of the earth's surface and contains infinite energy. It is estimated that the sum of its energy greatly exceeds the current global energy demand. In the field of ocean energy development technology, there are wave energy, tidal energy, temperature difference energy, salinity difference energy and ocean current energy. [0003] Wave energy refers to the kinetic and potential energy of ocean surface waves. At this stage, there are a large number of technologies that utilize wave energy to generate electricity. The main principle is to convert wave energy into mechanical energy and then into electrical energy through wave energy devices. However, wave energy is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03B13/14
CPCF03B13/18Y02E10/30
Inventor 陶爱峰王懿范骏余豪丰文铖李硕
Owner HOHAI UNIV
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