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Thermoelectric combined multifunctional glass device

A combined thermoelectric and multi-functional technology, applied in the field of solar devices, can solve the problems such as the inability to be widely used in building-integrated concentrating photovoltaic systems, the light transmission and thermal insulation properties have not been comprehensively considered, and the square solar cells cannot be matched. Achieve the effects of improving energy conversion efficiency, reducing temperature, and flexible and diverse types

Active Publication Date: 2020-11-17
NORTHWESTERN POLYTECHNICAL UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004]1. The simplest form of rotating compound parabolic concentrator adopted has a circular bottom, which cannot match the square solar cells mass-produced in the existing market. lead to waste of power generation area;
[0005]2. The power generation array has a compact structure and does not consider the heat dissipation of photovoltaic cells, and the power generation efficiency of solar cells decreases significantly with the increase of temperature;
[0006]3. The light transmission and heat insulation characteristics of this invention have not been comprehensively considered, and it is only for the purpose of pure photovoltaic power generation, which cannot be widely used in building-integrated concentrated photovoltaics System and other fields

Method used

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  • Thermoelectric combined multifunctional glass device

Examples

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Embodiment 1

[0047] The invention provides a thermoelectric combined multifunctional glass device, specifically as Figure 1 to Figure 6 As shown, including the solar concentrating module and the frame set on the periphery of the solar concentrating module;

[0048] The solar concentrating module includes an upper glass cover 1, an SEH concentrating array 2, a photovoltaic cell array 3, a flat heat exchanger 4 and a lower glass cover 5 arranged in sequence from top to bottom;

[0049] The SEH light-gathering array 2 is composed of a plurality of quadrilateral energy-gathering units, and the area of ​​the upper surface of each tetragonal energy-gathering unit is larger than the area of ​​the lower surface; specifically, the tetragonal energy-gathering unit in this embodiment is an ellipse-hyperboloid Square Elliptical Hyperbolic (SEH) energy gathering unit, such as Figure 4 to Figure 6As shown, the upper surface of each tetragonal energy concentrating unit is an elliptical plane for colle...

Embodiment 2

[0072] In this embodiment, the tetragonal energy gathering unit is a four-sided two-dimensional compound paraboloid structure, and the surface structure of the four-sided two-dimensional compound paraboloid is as follows Figure 7 As shown, the formation process of the four-sided two-dimensional compound paraboloid structure is:

[0073] Firstly, the line connecting the two focal points intercepted by two symmetrically arranged parabolas is used as the receiving surface of the bottom surface, and the intercepted surface of the upper surface is used as the incident surface to form a compound paraboloid to achieve the effect of non-imaging concentrating light;

[0074] Then, four identical compound paraboloid structures are connected with a square base to form a four-sided two-dimensional compound paraboloid. This model can achieve a light-gathering effect similar to that of SHE.

[0075] The rest of the structure and assembly method are the same as those in Embodiment 1, and wi...

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Abstract

The invention provides a thermoelectric combined multifunctional glass device, which belongs to the field of solar devices and comprises a solar concentrating module and a frame sleeved on the periphery of the solar concentrating module. The solar concentrating module comprises an upper-layer glass cover plate, an SEH concentrating array, a photovoltaic cell array, a flat plate heat exchanger anda lower-layer glass cover plate which are sequentially arranged from top to bottom. The photovoltaic cell array comprises a plurality of photovoltaic cell scattered pieces matched with the tetragonalenergy gathering units, wherein one photovoltaic cell scattered piece is pasted to the lower surface of each tetragonal energy gathering unit, and every two adjacent photovoltaic cell scattered piecesare welded through a wire. The upper-layer glass cover plate and the SEH condensation array are integrally formed or packaged through transparent silica gel, the flat heat exchanger is packaged at the bottom of the photovoltaic cell array through high-thermal-conductivity glue, and the lower-layer glass cover plate and the flat heat exchanger are packaged through high-thermal-conductivity transparent glue. The module has multiple functions of transmitting light, insulating heat and providing electric energy and a heat source, and is applied to the fields of building glass, automobile skylights and the like.

Description

technical field [0001] The invention belongs to the technical field of solar devices, and in particular relates to a thermoelectric combined multifunctional glass device. Background technique [0002] Solar energy is one of the largest resources available for renewable energy, and its effective use has yet to be exploited. To date, the conversion of incident solar radiation into electricity using photovoltaic (PV) technology has proven to be an efficient means of energy generation. The process becomes more efficient by using the concept of optical concentration, where a large amount of solar energy is concentrated onto a small solar cell, which not only helps to increase the efficiency of the solar cell, but also amplifies the amount of energy produced per unit of solar cell material. Several times, the so-called concentrated photovoltaic (CPV) technology. The integration of such systems into building platforms, forming so-called building-integrated concentrating photovolt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02S40/22H02S40/42
CPCH02S40/22H02S40/42Y02E10/52Y02B10/10
Inventor 孟宪龙刘存良卢斯琪郑璇孔维瀚刘森龙飞
Owner NORTHWESTERN POLYTECHNICAL UNIV
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