A flexible solar air heating device

An air heating device and solar heat absorption technology, applied in the field of solar heat utilization, can solve the problems of inconvenient installation and transportation, low air heat exchange efficiency, etc., and achieve the effect of easy installation

Active Publication Date: 2020-04-21
DONGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a flexible solar air heating device, which improves the utilization efficiency of solar energy, is more convenient to be combined with buildings, expands the application range of solar heat collection devices, and solves the problem of existing solar energy air heating devices. Heat collectors generally have a rigid structure, which is inconvenient to install and transport, and has low heat exchange efficiency with air

Method used

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  • A flexible solar air heating device
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Embodiment 1

[0029] Use transparent polyester monofilament as the surface texture material of the three-dimensional warp-knitted spacer fabric 5; use high-quality black carbon black as the solar heat-absorbing coating material; the flexible film material cured on the upper surface of the three-dimensional warp-knitted spacer fabric is Nanya 128 epoxy Resin; the flexible film material cured on the lower surface 4 of the three-dimensional warp-knitted spacer fabric is Nanya 128 epoxy resin, doped with high-quality black carbon black; the fabric structure of the upper surface 3 of the three-dimensional warp-knitted spacer fabric is hexagonal large mesh, mesh The area accounts for 89.8% of the total area of ​​the upper surface; the fabric structure of the lower surface 4 of the three-dimensional warp-knitted spacer fabric is hexagonal large mesh; the material of the spacer yarn is polyester monofilament, the diameter of the spacer yarn is 0.2mm, and the density of the spacer yarn is 38 root / cm ...

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Abstract

The invention relates to a flexible and efficient solar air heating device. The flexible and efficient solar air heating device comprises an air inlet (1), an air outlet (2), a three-dimensional warp-knitted spaced fabric upper surface (3), a three-dimensional warp-knitted spaced fabric lower surface (4), a three-dimensional warp-knitted spaced fabric (5) and spaced filaments (6). A transparent flexible film is solidified on the three-dimensional warp-knitted spaced fabric upper surface (3). A flexible film with the surface coated with a solar heat absorbing coating is solidified on the three-dimensional warp-knitted spaced fabric lower surface (4). The spaced filaments (6) are monofilaments of round cross sections, wherein the surfaces of the filaments are coated with the solar heat absorbing coatings and are uniformly arranged inside the three-dimensional warp-knitted spaced fabric (5). The flexible and efficient solar air heating device is completely composed of a flexible material,is low in price, simple in structure, easy to install and carry, adjustable in size, capable of being combined with buildings of any shape and flexible to use. In addition, the heating device can befolded and coiled and is convenient to store.

Description

technical field [0001] The invention belongs to the technical field of solar heat utilization, in particular to a flexible solar air heating device. Background technique [0002] Solar energy is one of the most effective renewable energy sources to replace fossil fuels and solve the global energy crisis. At present, the solar air heating systems using solar thermal technology are mostly flat plate type and vacuum tube type. Although the structure and technology of the flat-plate air heating device are simple, the heat collection efficiency of the heating device is limited to a certain extent due to the low heat capacity of the air itself. primary means of efficiency. At present, heat-absorbing structures such as osmotic or matrix types are used to improve the heat collection efficiency of air heating devices, but the cost is relatively high, and these solar air heaters are all rigid structures. Contents of the invention [0003] The technical problem to be solved by the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24S70/20F24S10/00
CPCY02E10/44
Inventor 郭建生朱婧婧贾浩张志白志青程小梅李妮
Owner DONGHUA UNIV
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