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Focus solar temperature difference generating device

A technology of thermoelectric power generation and thermoelectric power generation sheets, which is applied in the direction of generators/motors, electrical components, etc., can solve the problems of complex heat transfer process, low reliability, low power generation efficiency, etc., and achieve high light concentration efficiency, simple structure, low cost effect

Inactive Publication Date: 2012-05-02
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heat transfer process of this type of device is complicated, the energy loss is large, the structure is relatively complicated, the reliability is not high, the temperature that the high temperature end can reach is relatively low, and the power generation efficiency is low

Method used

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  • Focus solar temperature difference generating device
  • Focus solar temperature difference generating device
  • Focus solar temperature difference generating device

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] Such as figure 1 As shown, the concentrating solar thermoelectric power generation device of the present invention includes a Fresnel condenser lens 2 , a heat collector 4 , a semiconductor thermoelectric power generation chip 5 , a water cooling system 6 , and a bracket 7 . The Fresnel condenser lens 2 is fixed by the bracket 7, the heat collector 4 and the water cooling system 6 are close to the upper and lower surfaces of the semiconductor thermoelectric power generation sheet 5, and are fixed on the bracket 7, the heat collector 4 and the semiconductor thermoelectric power generation sheet 5 is surrounded by insulation layer 8.

[0025] Such as figure 2 As shown, the concentrating surface of the heat collector 4 is processed with circular hole, square hole channel microstructure, and coated with selective absorption coat...

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Abstract

The invention discloses a focus solar temperature difference generating device, comprising a Fresnel focus lens, concentrators, a semiconductor temperature difference generating plate, water cooling systems and a support, wherein the Fresnel focus lens is fixed on the support, the semiconductor temperature difference generating plate is arranged on a light path of the Fresnel focus lens, the upper surface and the lower surface of the semiconductor temperature difference generating plate are respectively adhered with the concentrators and the water cooling systems, sunlight is incident to the Fresnel focus lens, is converged by the Fresnel focus lens and then is focused onto the concentrator, the concentrator converts light energy absorbed from the sunlight into heat energy, a high temperature terminal is formed on the upper surface of the semiconductor temperature difference generating plate, the water cooling systems form a low temperature terminal on the lower surface of the semiconductor temperature different generating plate, and electric energy can be obtained by virtue of temperature difference formed by the upper surface and the lower surface of the semiconductor temperature difference generating plate. The generating device can overcome the defect that solar energy density is low, a semiconductor temperature difference generating module is applied to the field of solar generating, and the generating device disclosed by the invention has simple system structure, high efficiency, low cost and strong practicability.

Description

technical field [0001] The invention relates to a solar power generation device, in particular to a concentrating solar thermoelectric power generation device. technical background [0002] As a renewable clean energy, solar power is being widely used. At present, solar power generation is mainly photovoltaic power generation, which has high cost and low efficiency. With the rapid development of semiconductor technology, semiconductor thermoelectric power generation has reached low cost and high efficiency, and is gradually being widely used in various power supply systems. . [0003] The concentrating solar power generation device mainly includes: concentrator, heat collector, semiconductor thermoelectric power generation sheet and water cooling system. Its working principle is: the concentrator gathers sunlight with low energy density, and the heat collector gathers The final solar light energy is converted into heat energy and forms a high temperature end at one end of ...

Claims

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Application Information

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IPC IPC(8): H02N11/00
Inventor 罗小兵姚家伟亚当马苏.B.塔姆拉特付星刘胜
Owner HUAZHONG UNIV OF SCI & TECH
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