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WO2013071691A1 - 一种叶片式太阳能-空气能双能集热器 - Google Patents

一种叶片式太阳能-空气能双能集热器 Download PDF

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Publication number
WO2013071691A1
WO2013071691A1 PCT/CN2012/001416 CN2012001416W WO2013071691A1 WO 2013071691 A1 WO2013071691 A1 WO 2013071691A1 CN 2012001416 W CN2012001416 W CN 2012001416W WO 2013071691 A1 WO2013071691 A1 WO 2013071691A1
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Prior art keywords
heat
blade
blades
air
type solar
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PCT/CN2012/001416
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English (en)
French (fr)
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王斌
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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
    • F24S10/70—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
    • F24S10/755—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations the conduits being otherwise bent, e.g. zig-zag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
    • 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
    • F24S2010/751—Special fins
    • 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

Definitions

  • the invention relates to a solar collector, in particular to a blade type solar-air energy dual energy collector. Background technique
  • the flat type solar collector mainly consists of a heat absorbing plate, a transparent cover plate, a heat insulating back plate and a casing.
  • the solar radiation passes through the transparent cover, is projected on the heat absorption plate, is absorbed by the heat absorption plate and converted into heat energy, and then transmitted to the heat transfer medium in the heat absorption plate, so that The temperature of the heat transfer medium rises and serves as a useful energy output for the collector.
  • the flat type solar collector is one of the most basic types of solar collectors. It has the advantages of simple structure, reliable operation, reasonable cost, strong pressure bearing capacity and large heat absorption area. It is the best combination of solar energy and building. One of the selected collector types.
  • the object of the present invention is to provide a blade type solar-air energy double.
  • the heat collector can ensure the absorption of the solar heat energy by obtaining a good sunlight exposure angle while increasing the heat collecting area and improving the solar heat collecting efficiency; and simultaneously utilizing the ventilation groove formed between the upper and lower blades as the air Smooth convection, which allows for faster and better access to air, creates very good conditions and good heat collection.
  • a blade type solar-air energy dual energy collector comprising a heat absorption plate and a heat exchange medium circulation pipe, wherein the heat exchange medium circulation pipe is disposed on the heat absorption plate, wherein: the suction plate is provided with suction A venting groove through which the front and back of the hot plate circulate.
  • the heat absorbing plate is composed of a set of separate blades, the venting groove being a space between a plurality of separate blades; and the heat exchange medium circulation pipe is connected to a group of blades.
  • the heat absorbing plate consists of a set of separate and outwardly inclined blades.
  • the heat absorbing plate may be a set of horizontally oriented blades that are longitudinally aligned and outwardly inclined.
  • vertical blades arranged perpendicular to the front heat absorbing plate blades are provided on the back side of the blade.
  • the axial direction of the blade is perpendicular to the axial direction of the vertical blade, and a set of blades are attached to the vertical blade.
  • a groove is provided on the back or front side of the blade, and the heat exchange medium circulation pipe is disposed on the back or front groove Inside, and fit on the blade.
  • the heat absorbing plate and the heat exchange medium circulation pipe are disposed in the outer casing such that the heat exchanger forms a frame structure.
  • a set of front faces of the blades are used to absorb the solar heat energy generated by the directly exposed sunlight, and absorb the heat energy of the air in the contacted air in the absence of light, and transmit them to the inlaid in the grooves and closely match them.
  • the heat circulation tube realizes the heat collecting and heat exchange function of the collector for solar energy and air energy.
  • a set of vertical blades connected to the back of a set of blades utilizes a set of venting grooves formed independently of the blades and having a certain inclination.
  • the ventilation conditions are good, and the air heat is naturally absorbed, and is transmitted to the heat exchange circulation pipe through the front blades, so that In the absence of light conditions or in the heat transfer of a set of blades, the heat absorption area is doubled to absorb the heat of the air, and relatively sufficient heat energy is obtained to realize the dual energy heat collecting and heat exchange function of solar energy and air energy.
  • the invention breaks through the traditional concept, and the heat absorbing plate is composed of a set of blades with camber angles, which ensures the good sunlight receiving angle while increasing the heat collecting area and improving the solar heat collecting efficiency; and simultaneously utilizing the ventilation formed between the upper and lower blades
  • the trough creates conditions for smooth convection of the air, resulting in faster and better access to air energy.
  • the invention uses the positive inclination of the front heat absorbing plate to improve the sunlight exposure angle, increase the solar heat energy absorption rate and increase the heat collecting area, and improve the solar heat collecting efficiency;
  • the venting groove makes the other group of blades connected with the ⁇ -type structure on the back become the effective area for direct contact with the air, and realizes the dual-energy collection of the entire collector which can directly absorb the solar heat energy and directly absorb the air heat energy. effect.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Fig. 2 is a schematic view showing the structure of the heat absorbing plate of the present invention which adopts a set of separate blades and is inclined outward.
  • Figure 3 is a schematic view showing the structure in which the heat absorbing plate of the present invention adopts a set of separate blades but is not inclined outward.
  • a blade type solar-air energy dual energy collector according to the present invention is shown in Fig. 1.
  • the heat collector comprises a heat absorbing plate 1 and a heat exchange medium circulation pipe 2, and the heat exchange medium circulation pipe 2 is arranged at an endothermic On the plate 1, the heat absorbing plate 1 is provided with a venting groove 3 through which the front and back surfaces of the heat absorbing plate are circulated.
  • Fig. 2 is a schematic view showing the structure of the heat absorbing plate of the present invention which adopts a set of separate blades and is inclined outward.
  • the heat absorbing plate 1 is composed of a plurality of separate blades 11 which are longitudinally arranged and inclined outward.
  • the venting groove 3 is a space between a plurality of separate blades; the heat exchange medium circulation pipe 2 is connected to a group of blades 11.
  • a vertical vane 12 disposed perpendicular to the vane is provided on the back surface of the vane 11.
  • the axial direction of the blade 11 is perpendicular to the axial direction of the vertical blade 12, and a group of blades 11 are attached to the vertical blade 12.
  • a groove 13 is provided on the back or front surface of the blade 11, and the heat exchange medium circulation pipe 2 is disposed in the groove 13 on the back or front surface and fitted to the blade 11.
  • the heat absorbing plate 1 and the heat exchange medium circulation pipe 2 may be disposed in the outer casing such that the heat exchanger forms a frame structure.
  • Fig. 3 is a schematic view showing the structure of the heat absorbing plate of the present invention which adopts a set of separate blades but is not inclined outward.
  • Heat absorbing plate 1 by one
  • the set of separate vanes 11 is formed, the venting groove 3 is a space between a set of separate vanes; the heat exchange medium circulation pipe 2 is connected to a set of vanes 11.
  • the heat absorbing plate and the heat exchange medium circulation pipe may be disposed in the outer casing such that the heat exchanger forms a frame structure.
  • the heat absorbing plate of the invention is composed of a set of blades with camber angles, which ensures the good sunlight receiving angle while increasing the heat collecting area and improving the solar heat collecting efficiency; and simultaneously adopting the venting groove formed between the upper and lower blades as the air Smooth convection creates conditions to obtain air energy faster and better, and improve the heat collection and heat transfer efficiency of solar thermal energy and air thermal energy.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Development (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Photovoltaic Devices (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

一种叶片式太阳能-空气能双能集热器，包括吸热板（1）和换热介质循环管（2），换热介质循环管（2）设置在吸热板（1）上，在吸热板（1）上设有使吸热板（1）正面与背面空气流通的通气槽（3），吸热板（1）由一组分开的且向外倾斜的叶片（11）构成，在叶片（11）的背面设有与叶片（11）垂直布置的垂直叶片（12）。该叶片式太阳能-空气能双能集热器改善了阳光受照角度，提高了太阳能集热效率，具有既能直接吸收太阳能又能直接吸取空气能的双能集热效果。

Description

一种叶片式太阳能 -空气能双能集热器
技术领域
本发明涉及一种太阳能集热器， 具体地说是一种叶片式太阳能-空气能双能集热器。 背景技术
在太阳能的热利用中， 关键是将太阳的辐射能转换为热能。 由于太阳能比较分散， 必 须设法把它集中起来， 所以， 集热器是各种利用太阳能装置的关键部分。
平板集热器一般用于太阳能热水器等。平板型太阳能集热器主要有吸热板、透明盖板、 保温背板和外壳等几部分组成。
当平板型太阳能集热器工作时， 太阳辐射穿过透明盖板后， 投射在吸热板上， 被吸热 板吸收并转化成热能， 然后传递给吸热板内的传热工质， 使传热工质的温度升高， 作为集 热器的有用能量输出。
平板型太阳集热器是太阳集热器中一种最基本的类型， 其结构简单、 运行可靠、 成本 适宜， 还具有承压 能力强、 吸热面积大等特点， 是太阳能与建筑结合最佳选择的集热器 类型之一。
目前所有的板式太阳能、 空气能集热器， 比较传统和固定的做法是采用一个整体式吸 热板， 框型结构内都被一整块吸热板分成前后两个不相通或者无法充分形成空气流通的空 间。 这种结构形式从根本上限制了在吸收太阳热能时还能同时独立和充分吸收空气热能， 降低了集热效果。
发明内容
为了在保证太阳能吸热效率的基础上提高吸收空气热能时的吸热效率和冷热空气对 流交换速率， 达到最好的集热效果， 本发明的目的是提供一种叶片式太阳能-空气能双能 集热器， 该集热器在保证了获得良好阳光受照角度提高太阳热能的吸收同时增大了集热面 积， 提高了太阳能集热效率； 同时利用上下叶片之间形成的通气槽， 为空气顺利对流从而 更快更好的获得空气能创造了十分优良的条件， 集热效果好。
本发明的目的是通过以下技术方案来实现的：
一种叶片式太阳能-空气能双能集热器， 包括吸热板和换热介质循环管， 换热介质循环管 设置在吸热板上， 其特征在于： 在吸热板上设有使吸热板正面与背面空气流通的通气槽。
本发明中，吸热板由一组分开的叶片构成，所述通气槽是一组分开的叶片之间的间隔； 换热介质循环管与一组叶片连接。
为达到最佳的吸热效率， 所述吸热板由一组分开的且向外倾斜的叶片构成。 所述吸热 板可以为一组呈纵向排列且向外倾斜的水平走向的叶片。
为提供和吸收空气热的面积， 在叶片的背面设有与正面吸热板叶片呈垂直布置的垂直 叶片。 叶片的轴线方向与垂直叶片的轴线方向垂直， 一组叶片连接在垂直叶片上。
本发明中， 在叶片的背面或正面设有凹槽， 换热介质循环管设置在背面或正面的凹槽 内， 并贴合在叶片上。
本发明中，所述吸热板和换热介质循环管设置在外壳内，使得热器形成一个框体结构。 本发明中， 一组叶片正面用来吸取直接受照阳光所产生的太阳热能， 在无光照条件下 吸取接触到的空气中的空气热能， 传递给镶嵌在凹槽内与之紧密贴合的换热循环管， 从而 实现集热器对太阳能和空气能的集热、 换热功能。 连接在一组叶片背面的一组垂直叶片利 用一组叶片独立且有一定的倾斜所形成的通气槽， 通气条件好， 自然吸取空气热能， 经正 面叶片传递到换热循环管上， 使得不管有无光照条件或者在一组叶片有效面积进行吸传热 的同时成倍的扩大吸收空气热的面积， 获取相对充分的热能， 实现太阳能、 空气能的双能 集热、 换热功能。
本发明突破传统理念， 吸热板由一组带外倾角的叶片组成， 在保证了获得良好阳光受 照角度同时增大了集热面积，提高太阳能集热效率； 同时利用上下叶片之间形成的通气槽， 为空气顺利对流创造了条件， 从而更快更好的获得了空气能。
与现有技术相比， 本发明使用正面吸热板一定的倾斜性改善阳光受照角度， 提高太阳 热能吸收率并增大了集热面积， 提高了太阳能集热效率； 同时利用上下叶片之间形成的通 气槽， 使得与之呈 τ型结构连接在背部的另一组叶片成为直接接触空气的有效面积， 实现 整个集热器既能直接吸收太阳热能同时又能直接吸取空气热能的双能集热效果。
附图说明
图 1是本发明的结构示意图。
图 2是本发明中吸热板采用一组分开叶片且向外倾斜的结构示意图。
图 3是本发明中吸热板采用一组分开叶片但不向外倾斜的结构示意图。
具体实施方式
一种本发明所述的叶片式太阳能-空气能双能集热器， 见图 1， 该集热器包括吸热板 1 和换热介质循环管 2， 换热介质循环管 2设置在吸热板 1上， 在吸热板 1上设有使吸热板 正面与背面空气流通的通气槽 3。
图 2是本发明中吸热板采用一组分开叶片且向外倾斜的结构示意图。 吸热板 1由一组 分开的呈纵向排列且向外倾斜的叶片 11构成。 通气槽 3是一组分开的叶片之间的间隔； 换热介质循环管 2与一组叶片 11连接。
为具备和扩大吸收空气热的面积， 在叶片 11 的背面设有与叶片呈垂直布置的垂直叶 片 12。 叶片 11的轴线方向与垂直叶片 12的轴线方向垂直， 一组叶片 11连接在垂直叶片 12上。
在叶片 11的背面或正面设有凹槽 13， 换热介质循环管 2设置在背面或正面的凹槽 13 内， 并贴合在叶片 11上。
吸热板 1和换热介质循环管 2可以设置在外壳内， 使得热器形成一个框体结构。
图 3是本发明中吸热板采用一组分开叶片但不向外倾斜的结构示意图。 吸热板 1由一 组分开的叶片 11构成， 通气槽 3是一组分开的叶片之间的间隔； 换热介质循环管 2与一 组叶片 11连接。
本发明中，吸热板和换热介质循环管可以设置在外壳内，使得热器形成一个框体结构。 本发明吸热板由一组带外倾角的叶片组成， 在保证了获得良好阳光受照角度同时增大 了集热面积， 提高太阳能集热效率； 同时利用上下叶片之间形成的通气槽， 为空气顺利对 流创造了条件， 从而更快更好的获得了空气能， 提高了太阳热能和空气热能的集热、 换热 效率。

Claims

权利要求
1. 一种叶片式太阳能-空气能双能集热器， 包括吸热板 （1) 和换热介质循环管 （2)， 换 热介质循环管 （2) 设置在吸热板 （1) 上， 其特征在于： 在吸热板 （1) 上设有使吸热板
(1) 正面与背面空气流通的通气槽 （3)。
2. 根据权利要求 1 所述的叶片式太阳能-空气能双能集热器， 其特征在于： 吸热板 （1) 由一组分开的叶片 （11) 构成， 所述通气槽 （3) 是一组分开的叶片 （11) 之间的间隔； 换热介质循环管 （2) 与一组叶片 （11) 连接。
3. 根据权利要求 2所述的叶片式太阳能-空气能双能集热器，其特征在于：所述吸热板（1) 由一组分开的且向外倾斜的叶片 （11) 构成。
4. 根据权利要求 2所述的叶片式太阳能-空气能双能集热器，其特征在于：所述吸热板（1) 为一组呈纵向排列且向外倾斜的叶片 （11)。
5. 根据权利要求 2或 3所述的叶片式太阳能-空气能双能集热器，其特征在于:在叶片（ 11 ) 的背面设有与叶片 （11) 呈垂直布置的垂直叶片 （12)。
6. 根据权利要求 5所述的叶片式太阳能-空气能双能集热器， 其特征在于： 叶片 （11) 的 轴线方向与垂直叶片 （12) 的轴线方向垂直， 一组叶片 （11) 连接在垂直叶片 （12) 上。
7. 根据权利要求 2所述的叶片式太阳能-空气能双能集热器， 其特征在于： 在叶片 （11) 的背面或正面设有凹槽 （13)， 换热介质循环管 （2) 设置在背面或正面的凹槽 （13) 内， 并贴合在叶片 （11) 上。
8. 根据权利要求 2所述的叶片式太阳能-空气能双能集热器，其特征在于：所述吸热板（1) 和换热介质循环管 （2) 设置在外壳内。
PCT/CN2012/001416 2011-11-14 2012-10-23 一种叶片式太阳能-空气能双能集热器 Ceased WO2013071691A1 (zh)

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CN2011103586976A CN102393080B (zh) 2011-11-14 2011-11-14 一种叶片式太阳能-空气能双能集热器
CN201110358697.6 2011-11-14

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CN102393080B (zh) * 2011-11-14 2013-01-16 王斌 一种叶片式太阳能-空气能双能集热器
CN103411192B (zh) * 2013-08-14 2015-09-23 中南大学 一种太阳能led灯联合散热装置
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