Enhanced heat transfer type low-resistance solar flat plate collector

A technology for solar panels and enhanced heat transfer, which is applied to solar collectors, solar collector safety, and solar collector heat insulation. The effect of replacement and enhanced heat transfer

Active Publication Date: 2021-04-02
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention aims to solve the problem that the heat absorber of the existing flat-plate solar heat collector cannot efficiently transmit solar energy to the working medium in the flow channel

Method used

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  • Enhanced heat transfer type low-resistance solar flat plate collector
  • Enhanced heat transfer type low-resistance solar flat plate collector
  • Enhanced heat transfer type low-resistance solar flat plate collector

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Experimental program
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specific Embodiment approach 1

[0013] Specific implementation mode one: combine Figure 1 to Figure 13 Describe this embodiment, a heat transfer-enhanced low-resistance solar flat panel collector of this embodiment, which includes a heat absorber 1, a transparent cover plate 2, a frame 3, at least one spoiler 4, an insulating material 5 and a back plate 6, the heat absorber 1 includes multiple sets of circular tubes 1-1 and multiple heat absorbing plates 1-2, multiple sets of circular tubes 1-1 are arranged in parallel, and an absorber is passed between two adjacent sets of circular tubes 1-1 The heat plate 1-2 is connected; the thermal insulation material 5 is installed on the back plate 6, the heat absorber 1 is installed on the thermal insulation material 5, and at least one spoiler 4 is installed in each group of circular tubes 1-1, and the same group of circular tubes The direction of rotation of the two adjacent turbulence devices 4 in the tube 1-1 is opposite. On the transparent cover plate 2 and th...

specific Embodiment approach 2

[0016] Specific implementation mode two: combination figure 1 To illustrate this embodiment, the upper end surface of the thermal insulation material 5 of this embodiment is provided with a plurality of arc-shaped grooves 5-1 at equal intervals. With such arrangement, it is convenient to embed multiple sets of circular tubes 1-1 into the arc-shaped grooves 5-1, and the heat-absorbing plate 1-2 can be placed between two connected arc-shaped grooves 5-1. Other compositions and connections are the same as in the first embodiment.

specific Embodiment approach 3

[0017] Specific implementation mode three: combination Figure 1 to Figure 7 The present embodiment will be described. The chainring 7 of this embodiment is an annular chainring with notches. Such setting prevents its endothermic expansion from extruding the circular tube flow path. Other compositions and connections are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

The invention discloses an enhanced heat transfer type low-resistance solar flat plate collector, and relates to a solar flat plate collector. The enhanced heat transfer type low-resistance solar heatcollector solves the problem that an existing flat plate type solar heat collector heat absorbing body cannot efficiently transmit solar energy to a working medium in a flow channel. The enhanced heat transfer type low-resistance solar heat collector is characterized in that a plurality of groups of circular tubes are arranged in parallel, and every two adjacent groups of circular tubes are connected through a heat absorbing plate; a heat preservation material is installed on a back plate, a heat absorption body is installed on the heat preservation material, at least one turbulent flow device is installed in each group of circular tubes, the rotating directions of every two adjacent turbulent flow devices in the same group of circular tubes are opposite, the two sides of the heat preservation material are higher than the upper surface of the heat absorption body, a transparent cover plate covers the heat preservation material, and a frame is arranged on the transparent cover plate and the back plate; and two fluted discs are oppositely arranged, the middle parts between the two fluted discs are connected through a plurality of torsion plates, and a plurality of adherent turbulence strips with the rotating direction opposite to that of the torsion plates are uniformly distributed in the circumferential directions of the two fluted discs. The solar heat collector is used for solar heat collection.

Description

technical field [0001] The invention relates to a solar flat panel heat collector, in particular to an enhanced heat transfer type low-resistance solar flat panel heat collector. Background technique [0002] In recent years, as the problem of environmental pollution has become increasingly serious, more and more scientific and technological workers have paid more and more attention to solar energy as a clean energy source. The flat plate solar collector is a basic component for converting solar energy into heat energy. It is mainly composed of a frame, a transparent cover, a heat absorber, an insulation material, a back plate and a seal. Cross-sectional metal runners for the passage of heat-conducting media. Flat-plate solar collectors have the advantages of simple structure, less maintenance and failure, convenient installation, and low cost. They have been widely used in many fields such as domestic water heating, building heating and air conditioning, refrigeration and ...

Claims

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Application Information

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IPC IPC(8): F24S10/50F24S40/20F24S80/30F24S80/65
CPCF24S10/50F24S80/30F24S40/20F24S80/65Y02E10/44
Inventor 王浩鹏遆曙光林素珍王宏牛聪李金凤
Owner ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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