An adjustable focus solar collector

A technology of solar heat collection and solar heat collection tubes, which is applied in the direction of solar thermal devices, solar heat collectors, and solar heat collector safety. It can solve problems such as low efficiency, high cost, and inability to adjust the incident angle of sunlight. Cost, area reduction, and effect of increasing solar radiation density

Active Publication Date: 2017-11-10
CHINA NORTH ENERGY CONSERVATION & ENVIRONMENT PROTECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the solar thermal collectors used on the market are mainly composed of solar thermal collector plates and solar thermal collector tubes, but the cost is high, the efficiency is relatively low and the damage rate is high.
Especially in rainy and hazy weather, it is difficult to meet the heat requirements of users
Moreover, many solar energy collection devices are fixed, and cannot adjust the best sunlight incident angle according to the position of the sun.

Method used

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  • An adjustable focus solar collector
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  • An adjustable focus solar collector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as figure 1 As shown in the present embodiment, a focusable solar thermal collector with a single solar absorber includes a pipe network insulation material 1 , a valve 2 , a thermal fluid circulation unit 3 , and a heat exchange unit 4 . The pipe network insulation material is used for the heat preservation of the pipe network. It also includes a solar absorbing device 5, which includes a convex lens 501, a solar heat collecting tube 502, and a protective cover 503 for adjusting the focal length, and the protective cover 503 for adjusting the focal length also plays a role of supporting and fixing, and is used for adjusting The protective cover 503 of the focal length is located between the convex lens and the solar heat collecting tube 502. The convex lens 501 focuses the solar light on the solar heat collecting tube 502, which improves the solar radiation density and reduces the area of ​​the heat collecting tube. Absorbers have been lowered. The solar absorbi...

Embodiment 2

[0027] Such as figure 2 As shown, this embodiment discloses a focusable solar heat collector with multiple solar absorbers erected in parallel, including a pipe network insulation material 1 , a valve 2 , a thermal fluid circulation unit 3 , and a heat exchange unit 4 . The pipe network insulation material is used for the heat preservation of the pipe network. It also includes a solar absorbing device 5 and a control system for monitoring various temperatures of the system and controlling various valve switches. The solar absorbing device 5 includes a convex lens 501, a solar heat collecting tube 502 and a protective cover 503 for adjusting the focal length. The protective cover 503 for adjusting the focal length also plays a supporting and fixing role. The protective cover 503 for adjusting the focal length is located between the convex lens 501 and the solar heat collecting tube 502. The convex lens 501 makes the solar light focus on the solar heat collecting tube 502 to im...

Embodiment 3

[0033] Such as image 3 As shown, this embodiment discloses a focusable solar heat collection device in which multiple solar absorption devices are erected in series, including a pipe network insulation material 1 , a valve 2 , a thermal fluid circulation unit 3 , and a heat exchange unit 4 . The pipe network insulation material is used for the heat preservation of the pipe network. It also includes a solar absorbing device 5, which includes a convex lens 501, a solar heat collecting tube 502, and a protective cover 503 for adjusting the focal length, and the protective cover 503 for adjusting the focal length also plays a role of supporting and fixing, and is used for adjusting The protective cover 503 of the focal length is positioned between the convex lens 501 and the solar heat collecting tube 502. The convex lens 501 focuses the solar light on the solar heat collecting tube 502, improves the solar radiation density, and reduces the area of ​​the heat collecting tube. Th...

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Abstract

The invention discloses a variable-focus solar heat collecting device, relates to a solar heat collecting device, and belongs to the field of renewable energy sources. The variable-focus solar heat collecting device comprises a pipe network insulating material, a valve, a heat conduction liquid circulating unit, a heat exchange unit and solar energy absorbing devices, wherein each solar energy absorbing device comprises convex lenses, solar heat collecting tubes and protective covers for adjusting focal lengths; the protective covers further have the supporting and fixing effect; and each protective cover is positioned between the corresponding convex lens and the corresponding solar heat collecting tube. By the convex lenses, solar energy light is focused on the solar heat collecting tubes, sunlight radiation density is increased, the area of the heat collecting tubes is reduced, and required area of the solar heat collecting tubes is reduced. The number of the solar energy absorbing devices is determined according to absorption requirements and region area, and the solar energy absorbing devices are erected in a parallel-connection or series-connection manner. The invention aims to provide the variable-focus solar heat collecting device with low cost and high energy utilization efficiency.

Description

technical field [0001] The invention relates to a solar heat collecting device, in particular to an adjustable focus solar heat collecting device, which belongs to the field of renewable energy. Background technique [0002] At present, the solar heat collecting devices used in the market are mainly composed of solar heat collecting plates and solar heat collecting tubes, but the cost is high, the efficiency is relatively low and the breakage rate is high. Especially in rainy and hazy weather, it is difficult to meet the heat requirements of users. Moreover, many solar energy collection devices are fixed, and cannot adjust the best sunlight incident angle according to the position of the sun. [0003] Therefore, there is a need for a solar thermal collector that can effectively overcome the above-mentioned problems. Contents of the invention [0004] The technical problem to be solved by the adjustable focus solar heat collection device disclosed by the invention is to p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24J2/24F24J2/08F24J2/30F24J2/46F24S10/30F24S10/70F24S23/30
CPCF24S10/30F24S10/70F24S23/30F24S40/10Y02E10/44
Inventor 史建东阳能赵菁
Owner CHINA NORTH ENERGY CONSERVATION & ENVIRONMENT PROTECTION
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