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Flat-panel solar heat collector

A flat-panel solar energy and heat collector technology, applied in the field of solar energy, can solve the problems of low emission function and inability to take into account high absorption, etc., and achieve the effects of reducing heat loss coefficient, preventing conduction and radiation loss, and reducing radiation loss.

Inactive Publication Date: 2013-03-06
SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it can well solve the problem that the existing key absorbing layer cannot take into account high absorption and low emission functions, while improving the efficiency of solar heat collection, it can reduce radiation loss and achieve the purpose of further efficient use of solar energy.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Embodiment 1: The structure of the flat solar heat collector with an empty firing temperature in the range of low temperature solar heat utilization

[0052] Such as figure 1 As shown, the structure of the flat solar heat collector described in this embodiment is composed of a heat insulation layer 1, a working medium 2, a metal substrate 3, an absorption film 4 and a low-radiation module 5 in sequence from the bottom layer to the top layer. The heat insulation layer 1 is located at the bottom of the collector; its upper layer is covered with a copper medium tube or medium cavity containing the working medium 2, and the medium tube or medium cavity is arranged and welded on the reverse side of the metal substrate 3; the absorption film 4 is deposited On the front side of the metal substrate 3 , the low-radiation module 5 covers the absorbing film 4 .

[0053] Wherein the low-emissivity module 5 consists of coated glass 51, a low-emissivity film 52 deposited on 51, a...

Embodiment 2

[0065] Embodiment 2: The structure of the flat solar heat collector with an empty firing temperature in the range of medium temperature solar heat utilization

[0066] The structure of the flat solar heat collector described in this embodiment consists of a heat insulation layer 1 , a working medium 2 , a metal substrate 3 , an absorption film 4 and a low-radiation module 5 from the bottom layer to the top layer. The heat insulation layer 1 is located at the bottom of the collector; its upper layer is covered with a copper medium tube or medium cavity containing the working medium 2, and the medium tube or medium cavity is arranged and welded on the reverse side of the metal substrate 3; the absorption film 4 is deposited On the front side of the metal substrate 3 , the low-radiation module 5 covers the absorbing film 4 .

[0067] Wherein the low-emissivity module 5 consists of coated glass 51, a low-emissivity film 52 deposited on 51, a hollow layer 54 above 52, a sealing s...

Embodiment 3

[0079] Embodiment 3: The structure of the flat solar collector with an empty firing temperature in the range of medium temperature solar heat utilization

[0080] The structure of the flat solar heat collector described in this embodiment consists of a heat insulation layer 1 , a working medium 2 , a metal substrate 3 , an absorption film 4 and a low-radiation module 5 from the bottom layer to the top layer. The heat insulation layer 1 is located at the bottom of the collector; its upper layer is covered with a copper medium tube or medium cavity containing the working medium 2, and the medium tube or medium cavity is arranged and welded on the reverse side of the metal substrate 3; the absorption film 4 is deposited On the front side of the metal substrate 3 , the low-radiation module 5 covers the absorbing film 4 .

[0081] Wherein the low-emissivity module 5 consists of coated glass 51, a low-emissivity film 52 deposited on 51, a hollow layer 54 above 52, a sealing strip ...

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Abstract

The invention relates to a solar heat collector, which sequentially consists of a heat insulation layer, working medium, a metal substrate, an absorption membrane and a low-radiation module from the bottom layer to the top layer; the heat insulation layer is arranged on the bottom layer of the heat collector; the upper part of the heat insulation layer is wrapped by a copper medium pipe or a copper medium cavity for holding the working medium, and the medium pipe or the medium cavity is distributed and welded on the lower part of the metal substrate; and the absorption membrane is precipitated on the upper part of the metal substrate, and the low-radiation module covers the upper part of the absorption membrane. The low-radiation module sequentially consists of coated glass, a low-emissivity membrane which is precipitated on the coated glass, a hollow layer which is arranged above the low-emissivity membrane, a sealing strip supporting the hollow layer and an upper layer of glass which is connected with the sealing strip and arranged above the hollow layer. Due to the adoption of the flat-panel solar heat collector, the performance and the efficiency of the flat-panel solar heat collector can be remarkably improved, and the application range of the flat-panel solar heat collector is greatly enlarged.

Description

technical field [0001] The invention relates to a solar heat collector, in particular to a flat plate heat collector suitable for various high, medium and low temperature solar heat utilization, and belongs to the technical field of solar energy. technical background [0002] The energy problem is one of the most prominent problems faced by the whole world, and solar energy is an inexhaustible and inexhaustible clean energy source for human beings. Solar heat conversion is the most popular and main form of solar energy utilization in the world, and the most representative one is solar water heater. my country has become the country that produces the most solar water heaters in the world, and also has the world's largest solar water heater market. It is foreseeable that solar water heaters will become an irreplaceable form of solar energy utilization. [0003] There are many types of solar water heaters, and its structure is mainly composed of heat collector and heat storag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/24F24J2/48F24J2/50F24J2/51F24S10/70
CPCF24J2/50F24J2/24Y02E10/44F24J2/51F24J2/48F24S10/75F24S70/20F24S80/52F24S80/56F24S80/60
Inventor 陆卫王少伟俞立明王晓芳陈飞良
Owner SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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