TW201346197A - Solar energy collection device - Google Patents

Solar energy collection device Download PDF

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Publication number
TW201346197A
TW201346197A TW101116448A TW101116448A TW201346197A TW 201346197 A TW201346197 A TW 201346197A TW 101116448 A TW101116448 A TW 101116448A TW 101116448 A TW101116448 A TW 101116448A TW 201346197 A TW201346197 A TW 201346197A
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TW
Taiwan
Prior art keywords
heat collecting
tube
vacuum glass
fresnel lens
glass tube
Prior art date
Application number
TW101116448A
Other languages
Chinese (zh)
Inventor
Chih-Chen Lai
Original Assignee
Hon Hai Prec Ind Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hon Hai Prec Ind Co Ltd filed Critical Hon Hai Prec Ind Co Ltd
Priority to TW101116448A priority Critical patent/TW201346197A/en
Priority to US13/661,124 priority patent/US20130298900A1/en
Publication of TW201346197A publication Critical patent/TW201346197A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
    • F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/90—Solar heat collectors using working fluids using internal thermosiphonic circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/30—Arrangements for concentrating solar-rays for solar heat collectors with lenses
    • F24S23/31—Arrangements for concentrating solar-rays for solar heat collectors with lenses having discontinuous faces, e.g. Fresnel lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S60/00—Arrangements for storing heat collected by solar heat collectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00—Details of absorbing elements
    • F24S70/10—Details of absorbing elements characterised by the absorbing material
    • F24S70/12—Details of absorbing elements characterised by the absorbing material made of metallic material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The present invention relates to a solar energy collection device, which comprising a heat collecting body, a plurality of heat collecting pipes and a plurality of Fresnel lens. Each heat collecting tube comprises a metal tube and a vacuum glass tube, and the metal tube is inside the vacuum glass tube. The metal tube is connected with the heat collecting body. The metal tube includes a first end and a second end, the first end extending into the vacuum glass tube at the bottom, the second end of the heat collecting body is connected with the metal pipe, the pipe along the length direction is provided with a plurality of spherical convex spherical protrusions, each corresponding to a Fresnel lens, and each Fresnel lens is fixedly arranged in the vacuum glass tube and the rays converge to the corresponding for spherical projection. The present invention changes the heat collecting tube structure, with the Fresnel lens arranged on the vacuum glass tube, can save cost and improve efficiency.

Description

太陽能集熱裝置Solar collector

本發明屬於集熱器技術領域，具體涉及一種太陽能集熱裝置。The invention belongs to the technical field of collectors, and in particular relates to a solar heat collecting device.

目前，現有的太陽能集熱裝置一般為非聚光型，而且此類太陽能集熱裝置的集熱管一般圓柱狀，導致集熱管的集熱有效面積較小，集熱裝置的集熱效率較低。At present, the existing solar heat collecting devices are generally non-condensing type, and the heat collecting tubes of such solar heat collecting devices are generally cylindrical, resulting in a small heat collecting effective area of the heat collecting tubes, and the heat collecting efficiency of the heat collecting devices is low.

鑒於上述狀況，有必要提供一種可提高集熱效率的太陽能集熱裝置。In view of the above circumstances, it is necessary to provide a solar heat collecting device which can improve the heat collecting efficiency.

一種太陽能集熱裝置，其包括集熱本體、多根集熱管及多個菲涅爾透鏡；該多個集熱管均與該集熱本體連接，每個集熱管包括金屬管及包覆該金屬管的真空玻璃管，該金屬管包括第一端與第二端，該第一端伸入到該真空玻璃管底部，該第二端與該集熱本體相連，該金屬管沿管的長度方向設有多個球形凸起，每個球形凸起對應一個菲涅爾透鏡，且每個菲涅爾透鏡固設於該真空玻璃管上並用於將光線彙聚於對應的球形凸起上。A solar heat collecting device includes a heat collecting body, a plurality of heat collecting tubes and a plurality of Fresnel lenses; the plurality of heat collecting tubes are connected to the heat collecting body, and each heat collecting tube comprises a metal tube and covers the metal tube a vacuum glass tube comprising a first end and a second end, the first end extending into the bottom of the vacuum glass tube, the second end being connected to the heat collecting body, the metal tube being disposed along the length of the tube There are a plurality of spherical protrusions, each spherical protrusion corresponding to a Fresnel lens, and each Fresnel lens is fixed on the vacuum glass tube and used to concentrate the light on the corresponding spherical protrusion.

相較先前技術，本發明的太陽能集光裝置，改變其集熱管的結構並配合菲涅爾高聚光透鏡，增加了集熱管的集熱面積，從而提高了集熱效率。Compared with the prior art, the solar concentrating device of the present invention changes the structure of the heat collecting tube and cooperates with the Fresnel high concentrating lens, thereby increasing the heat collecting area of the heat collecting tube, thereby improving the heat collecting efficiency.

下面以具體實施方式並結合附圖對本發明太陽能集熱裝置的結構作進一步詳細說明。The structure of the solar heat collecting device of the present invention will be further described in detail below with reference to the accompanying drawings.

請一併參閱圖1及圖2，該太陽能集熱裝置100包括集熱本體10、多根集熱管20及多個菲涅爾透鏡30。該多根集熱管20均與該集熱本體10相連接，連接方式可以為焊接或者卡合式連接。該多個集熱管20與該集熱本體10的連接處塗有導熱膠（圖未示）以加強導熱效果。Referring to FIG. 1 and FIG. 2 together, the solar heat collecting device 100 includes a heat collecting body 10, a plurality of heat collecting tubes 20, and a plurality of Fresnel lenses 30. The plurality of heat collecting tubes 20 are connected to the heat collecting body 10, and the connection manner may be a welding or a snap connection. The junction of the plurality of heat collecting tubes 20 and the heat collecting body 10 is coated with a thermal conductive paste (not shown) to enhance the heat conduction effect.

每根集熱管20均包括金屬管22及包覆該金屬管22的真空玻璃管24，真空玻璃管24是保溫隔熱的作用，該金屬管22的材質為不銹鋼、鋁、銅等熱傳導率高的金屬及其合金。金屬管22表面塗有集熱材料薄膜（圖未示）以進一步提升集熱效率。Each of the heat collecting tubes 20 includes a metal tube 22 and a vacuum glass tube 24 covering the metal tube 22. The vacuum glass tube 24 is used for thermal insulation. The metal tube 22 is made of stainless steel, aluminum, copper or the like having high thermal conductivity. Metal and its alloys. The surface of the metal tube 22 is coated with a heat collecting material film (not shown) to further enhance the heat collecting efficiency.

該金屬管22包括第一端242與第二端244，該第一端242與該集熱本體10相連，該第二端244伸入到該真空玻璃管24的底部，該金屬管22沿管的長度方向設有多個球形凸起246，每個球形凸起246對應一個菲涅爾透鏡30，且每個菲涅爾透鏡30固設於該真空玻璃管24上並用於將太陽光線彙聚於對應的球形凸起246上。本實施方式中，金屬管22為金屬實心管，可以理解，在其他實施方式中，金屬管22可以中空管以容置迴圈的導熱流體。The metal tube 22 includes a first end 242 and a second end 244. The first end 242 is connected to the heat collecting body 10, and the second end 244 extends into the bottom of the vacuum glass tube 24. The metal tube 22 is along the tube. A plurality of spherical protrusions 246 are disposed in the longitudinal direction, and each of the spherical protrusions 246 corresponds to a Fresnel lens 30, and each Fresnel lens 30 is fixed on the vacuum glass tube 24 and used to concentrate the solar light. Corresponding spherical protrusions 246. In the present embodiment, the metal tube 22 is a solid metal tube. It can be understood that in other embodiments, the metal tube 22 can be a hollow tube to accommodate the circulating heat transfer fluid.

該菲涅爾透鏡30的半徑介於球形凸起246的半徑與真空玻璃管24的半徑之間。該球形凸起246的中軸線與菲涅爾透鏡30的焦直線重合。本實施方式中，採用透明樹脂來固定菲涅爾透鏡30。在其他實施方式中，可以採用互卡的方式將菲涅爾透鏡30卡合在真空玻璃管24上。The radius of the Fresnel lens 30 is between the radius of the spherical protrusion 246 and the radius of the vacuum glass tube 24. The central axis of the spherical projection 246 coincides with the focal line of the Fresnel lens 30. In the present embodiment, the Fresnel lens 30 is fixed by a transparent resin. In other embodiments, the Fresnel lens 30 can be snapped onto the vacuum glass tube 24 by means of a mutual card.

由於該多根集熱管20與集熱本體10相連，集熱本體10可為單獨的傳熱工質的循環系統。集熱管20收集的熱量會迅速傳導至集熱本體10。將傳熱工質加熱。在其他實施方式中，集熱本體10和金屬管22一起組成工質的循環系統，工質可以在中空的金屬管22中被加熱。Since the plurality of heat collecting tubes 20 are connected to the heat collecting body 10, the heat collecting body 10 can be a circulation system of a separate heat transfer medium. The heat collected by the heat collecting tube 20 is quickly conducted to the heat collecting body 10. Heat the heat transfer medium. In other embodiments, the heat collecting body 10 and the metal tube 22 together form a circulation system of the working medium, and the working medium can be heated in the hollow metal tube 22.

綜上所述，本發明的太陽能集光裝置，改變其集熱管的結構並配合菲涅爾高聚光透鏡，增加了集熱管的集熱面積，提高了集熱效率。In summary, the solar concentrating device of the present invention changes the structure of the heat collecting tube and cooperates with the Fresnel high concentrating lens, thereby increasing the heat collecting area of the heat collecting tube and improving the heat collecting efficiency.

另外，本領域技術人員還可在本發明精神內做其他變化，當然，這些依據本發明精神所做的變化，都應包含在本發明所要求保護的範圍內。In addition, those skilled in the art can make other changes in the spirit of the present invention. Of course, the changes made in accordance with the spirit of the present invention should be included in the scope of the present invention.

100．．．太陽能集熱裝置100. . . Solar collector

10．．．集熱本體10. . . Collecting body

20．．．集熱管20. . . Heat collecting tube

22．．．金屬管twenty two. . . Metal tube

24．．．真空玻璃管twenty four. . . Vacuum glass tube

242．．．第一端242. . . First end

244．．．第二端244. . . Second end

246．．．球形凸起246. . . Spherical protrusion

30．．．菲涅爾透鏡30. . . Fresnel lens

圖1是本發明實施例的太陽能集熱裝置的平面示意圖。1 is a schematic plan view of a solar heat collecting device according to an embodiment of the present invention.

圖2是圖1沿II-II方向的剖視圖。Figure 2 is a cross-sectional view of Figure 1 taken along the line II-II.

100．．．太陽能集熱裝置100. . . Solar collector

10．．．集熱本體10. . . Collecting body

20．．．集熱管20. . . Heat collecting tube

22．．．金屬管twenty two. . . Metal tube

24．．．真空玻璃管twenty four. . . Vacuum glass tube

242．．．第一端242. . . First end

244．．．第二端244. . . Second end

246．．．球形凸起246. . . Spherical protrusion

30．．．菲涅爾透鏡30. . . Fresnel lens

Claims (7)

一種太陽能集熱裝置，其包括集熱本體、多根集熱管及多個菲涅爾透鏡；該多個集熱管均與該集熱本體連接，每個集熱管包括金屬管及包覆該金屬管的真空玻璃管，該金屬管包括第一端與第二端，該第一端伸入到該真空玻璃管底部，該第二端與該集熱本體相連，該金屬管沿管的長度方向設有多個球形凸起，每個球形凸起對應一個菲涅爾透鏡，且每個菲涅爾透鏡固設於該真空玻璃管上並用於將光線彙聚於對應的球形凸起上。A solar heat collecting device includes a heat collecting body, a plurality of heat collecting tubes and a plurality of Fresnel lenses; the plurality of heat collecting tubes are connected to the heat collecting body, and each heat collecting tube comprises a metal tube and covers the metal tube a vacuum glass tube comprising a first end and a second end, the first end extending into the bottom of the vacuum glass tube, the second end being connected to the heat collecting body, the metal tube being disposed along the length of the tube There are a plurality of spherical protrusions, each spherical protrusion corresponding to a Fresnel lens, and each Fresnel lens is fixed on the vacuum glass tube and used to concentrate the light on the corresponding spherical protrusion. 如申請專利範圍第1項所述之太陽能集熱裝置，其中：該金屬管的材質為不銹鋼、鋁或銅。The solar heat collecting device according to claim 1, wherein the metal pipe is made of stainless steel, aluminum or copper. 如申請專利範圍第1項所述之太陽能集熱裝置，其中：該金屬管表面塗有集熱材料薄膜。The solar heat collecting device according to claim 1, wherein the metal pipe surface is coated with a heat collecting material film. 如申請專利範圍第1項所述之太陽能集熱裝置，其中：該球形凸起的中軸線與對應的菲涅爾透鏡的焦直線重合。The solar heat collecting device according to claim 1, wherein the central axis of the spherical protrusion coincides with a focal line of the corresponding Fresnel lens. 如申請專利範圍第1項所述之太陽能集熱裝置，其中：該太陽能集熱裝置包括固定該多個菲涅爾透鏡的透明樹脂。The solar heat collecting device according to claim 1, wherein the solar heat collecting device comprises a transparent resin that fixes the plurality of Fresnel lenses. 如申請專利範圍第1項所述之太陽能集熱裝置，其中：該菲涅爾透鏡的半徑介於該球形凸起的半徑與該真空玻璃管的半徑之間。The solar heat collecting device according to claim 1, wherein the radius of the Fresnel lens is between a radius of the spherical protrusion and a radius of the vacuum glass tube. 如申請專利範圍第1項所述之太陽能集熱裝置，其中：該太陽能集熱裝置包括塗於該多個集熱管與該集熱本體的連接處的導熱膠。The solar heat collecting device according to claim 1, wherein the solar heat collecting device comprises a thermal conductive adhesive applied to a joint of the plurality of heat collecting tubes and the heat collecting body.
TW101116448A 2012-05-09 2012-05-09 Solar energy collection device TW201346197A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW101116448A TW201346197A (en) 2012-05-09 2012-05-09 Solar energy collection device
US13/661,124 US20130298900A1 (en) 2012-05-09 2012-10-26 Solar energy gathering device

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Application Number Priority Date Filing Date Title
TW101116448A TW201346197A (en) 2012-05-09 2012-05-09 Solar energy collection device

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Publication number Priority date Publication date Assignee Title
GR20160100647A (en) * 2016-12-30 2018-10-12 Αναστασιος Ευστρατιου Βαρδαξογλου New-type solar thermal system
CN112361617A (en) * 2020-11-30 2021-02-12 胡永海 Light-gathering solar vacuum tube

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Publication number Priority date Publication date Assignee Title
US4059093A (en) * 1975-09-22 1977-11-22 Grumman Aerospace Corporation Solar energy collector
US20050011513A1 (en) * 2003-07-17 2005-01-20 Johnson Neldon P. Solar energy collector
US8575470B2 (en) * 2009-12-22 2013-11-05 Ecomerit Technologies LLC Integrated panel with skylight, ventilation, solar hot water system and solar photovoltaic/lighting system

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