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Water-heating photoelectric/heat solar system

A technology of water heating and solar energy, applied in photovoltaic power generation, light radiation generators, generators/motors, etc., can solve the problems of high cost, low useful efficiency, and poor practicability, so as to reduce energy transmission loss and enhance practicability , Improve the effect of energy conversion efficiency

Inactive Publication Date: 2011-09-07
CHUXIONG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, the useful efficiency of these hydrothermal photoelectric / thermal hybrid systems is low, the cost is high, and the practicability is poor, and no mature products have been put into the market at present.

Method used

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  • Water-heating photoelectric/heat solar system
  • Water-heating photoelectric/heat solar system
  • Water-heating photoelectric/heat solar system

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Embodiment Construction

[0025] The specific implementation manner of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0026] A water heating type photoelectric / thermal solar energy system, its structure is composed of figure 1 As shown, it includes: flat reflective concentrator 1, heat preservation water tank, 2 photoelectric / thermal solar receiver 3, energy control management subsystem 4, electric energy storage 5, lower circulation pipe 6 and upper circulation pipe 7.

[0027] 1. Flat reflective concentrator

[0028] The flat plate reflective concentrator 1 is used to reflect solar radiation, so that the reflected light reaches the photoelectric / thermal solar receiver 3, thereby increasing the incident solar radiation density of the system. The material of the flat reflective concentrator 1 can be a material with good reflective properties such as aluminum sheet. Flat reflective concentrator 1 has the following technical features:

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Abstract

The invention discloses a water-heating photoelectric / heat solar system, belonging to the field of a photoelectric technology and comprising a flat-plate reflecting condenser, a photoelectric / heat sunlight receiver, a heat insulation water tank, an energy control and management subsystem, an electric energy storer, an upper circulating pipe and a lower circulating pipe, wherein the heat insulation water tank is respectively connected with a hot water output end and a cold water input end of the photoelectric / heat sunlight receiver through the upper circulating pipe and the lower circulating pipe; the flat-plate reflecting condenser is connected with the upper end of the photoelectric / heat sunlight receiver; an anode of the energy control and management subsystem is connected with an output anode of a photovoltaic battery in the photoelectric / heat sunlight receiver and an anode of the electric energy storer; and a cathode of the energy control and management subsystem is connected with an output cathode of the photovoltaic battery in the photoelectric / heat sunlight receiver and a cathode of the electric energy storer. The invention has the advantages of reducing system cost and complexity due to no adoption of a solar tracing system, increasing input solar radiation density, decreasing energy transmission loss, increasing energy conversion efficiency and enhancing practicability.

Description

technical field [0001] The invention relates to a photoelectric / thermal solar energy system, which belongs to the field of photoelectric technology. technical background [0002] At present, solar energy application systems such as single photovoltaic power generation systems and solar water heaters have been widely used. However, both the single solar water heater and the single photovoltaic power generation system have problems such as low energy utilization efficiency, high cost, and large space occupation. The photoelectric conversion efficiency of an independent photovoltaic power generation system is only between 5% and 15%, and the cost of installing a solar water heater is about 6,000 yuan (including infrastructure such as water supply and drainage). These factors limit the promotion and use of solar energy systems. . [0003] In 1978, Kern and Russell first proposed the concept of photovoltaic / photothermal hybrid solar system. According to the different heat tran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/052H01L31/058H01L31/02H02N6/00H02S40/44
CPCY02E10/60Y02E10/52Y02E10/50
Inventor 何永泰肖丽仙彭跃红
Owner CHUXIONG NORMAL UNIV
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