WO2009129663A1 - 太阳能集热板芯及使用该集热板芯的太阳能集热器 - Google Patents

太阳能集热板芯及使用该集热板芯的太阳能集热器 Download PDF

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Publication number
WO2009129663A1
WO2009129663A1 PCT/CN2008/001217 CN2008001217W WO2009129663A1 WO 2009129663 A1 WO2009129663 A1 WO 2009129663A1 CN 2008001217 W CN2008001217 W CN 2008001217W WO 2009129663 A1 WO2009129663 A1 WO 2009129663A1
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Prior art keywords
layer
heat
black
hollow cavity
light transmissive
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PCT/CN2008/001217
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English (en)
French (fr)
Inventor
陈开碇
李宝娜
李晓辉
侯宗兰
Original Assignee
河南桑达能源环保有限公司
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Application filed by 河南桑达能源环保有限公司 filed Critical 河南桑达能源环保有限公司
Publication of WO2009129663A1 publication Critical patent/WO2009129663A1/zh

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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
    • F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
    • F24S10/505—Solar heat collectors using working fluids the working fluids being conveyed between plates having curved plate-like conduits, e.g. semi-spherical
    • 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
    • F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
    • 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 the field of solar energy utilization technology, in particular to a solar heat collecting plate core and a solar heat collector using the same.
  • the vacuum tube collector is suitable for medium and high temperature heat collection, and although it has high performance, it is expensive, cumbersome, and inconvenient to install and handle.
  • the tube-plate type collector is suitable for medium and low temperature heat collection, and the price is moderate. It is generally used more, but the disadvantage is that the collector core is generally made of copper-aluminum or copper-aluminum composite, and the price is still high, although The surface temperature of the black surface is very high, but since the black surface of the heat source of the collector is directly exposed to the environment, the heat loss is relatively large and the thermal efficiency is low.
  • the materials used in vacuum tube collectors and tube-plate collectors are mostly made of metal materials and have different shapes, it is difficult to integrate with the building itself, which affects the aesthetics of the building.
  • An object of the present invention is to provide a solar heat collecting core having high thermal efficiency and simple structure, and a solar heat collector using the same.
  • the technical solution of the present invention is: a solar heat collecting plate core, which is composed of at least one hollow cavity structure with open ends, the hollow cavity structure including a light transmitting layer disposed on the light-incident surface of the cavity, and disposed on a heat absorbing layer in the cavity or on the backlight surface of the cavity, the heat absorbing layer being disposed opposite to the light transmitting layer.
  • the hollow cavity structure is formed by a relatively transparent layer and an opaque heat absorbing layer and a side plate connected between the light transmitting layer and the heat absorbing layer; the light transmitting layer is an organic transparent material.
  • the heat absorbing layer is a black material layer or a black layer coated with a pigment on the inner or outer surface of the transparent plate, a black material coated by a magnetron sputtering technique or a black film.
  • the hollow cavity structure is formed by enclosing a light transmissive layer of the outer surface and a side plate connected between the light transmissive layers, and the heat absorption layer is disposed inside the hollow cavity between the light transmissive layers;
  • the organic transparent material is a black material layer or a black layer coated with a black material or a black film by applying a pigment on the inner or outer surface of the transparent plate.
  • the light transmissive layer and the heat absorbing layer are flat plates, curved plates, wavy plates or corrugated plates.
  • the light transmissive layer is provided with a venting hole penetrating through the inner and outer surfaces of the hollow cavity.
  • the solar thermal collector comprises a heat collecting core and a heat medium outflow passage and a heat medium inflow passage respectively disposed at upper and lower ends of the heat collecting core, wherein:
  • the heat collecting core is formed by combining one or more hollow cavity structures open at both ends, and the hollow cavity structure is formed by a light transmissive layer disposed on the outer surface of the cavity and disposed in the cavity or cavity
  • the heat absorbing layer of the external surface is configured to be opposite to the light transmitting layer, and the two ends of the heat collecting core are respectively communicated with the heat medium outflow channel and the heat medium inflow channel.
  • the hollow cavity structure is formed by a relatively transparent layer and an opaque heat absorbing layer and a side plate connected between the light transmitting layer and the heat absorbing layer; the light transmitting layer is an organic transparent material.
  • the heat absorbing layer is a black material layer or a black layer coated with a pigment on the inner or outer surface of the transparent plate, a black material coated by a magnetron sputtering technique or a black film.
  • the hollow cavity structure is formed by enclosing a light transmissive layer of the outer surface and a side plate connected between the light transmissive layers, and the heat absorption layer is disposed inside the hollow cavity between the light transmissive layers;
  • the organic transparent material is a black material layer or a black layer coated with a black material or a black film by applying a pigment on the inner or outer surface of the transparent plate.
  • the light transmissive layer and the heat absorbing layer are flat plates, curved plates, wavy plates or corrugated plates.
  • the light transmissive layer is provided with a venting hole penetrating through the inner and outer surfaces of the hollow cavity.
  • the invention provides a solar collector core completely different from the traditional tube-plate type solar collector core from the principle of heat collection and the structure, the collector core comprises a hollow cavity for the heat medium to flow, and has a setting a light transmissive layer on the mating surface and a heat absorbing layer disposed in the hollow cavity or on the backlight surface, the light passes through the light transmissive layer to reach the heat absorbing layer, and the light is thermally converted on the heat absorbing layer to change the heat absorbing layer
  • the heat source is only the only heat transfer channel to the water layer, and the heat dissipation channel of the heat absorption layer can be blocked by the outer layer of the heat insulating material and the water layer in the hollow cavity, and the heat flow is quickly the heat of the flow.
  • the medium is taken away and becomes effective heat, the heat loss is extremely small, and the heat collecting efficiency is high; in addition, when the heat collecting core of the present invention is filled with water, the light transmitting layer and the water layer serve to increase transmission and reduce reflection, and the sunlight The loss of energy is reduced, and water acts as an enhancer, insulator, and heat carrier here, which is an efficient and reasonable idea.
  • the structure of the invention is very simple, the whole core has only one part, the manufacture is easy, the lining is convenient, the cost is low, the cost performance is high, and the utility model is popularized.
  • the heat collecting core of the present invention can adopt a transparent material with low cost and light weight, such as organic plastic, thereby replacing precious metal materials such as copper and aluminum, so the cost is low, the load bearing requirement is small, and it can be used as a window or a wall of a building.
  • the roof or roof is integrated with the building as a whole.
  • the present invention can be used to pull out the hollow cavity required by the present invention from a transparent material selected by itself, and then determine the length and width of the cavity according to the required mounting position.
  • the two ends of the heat collecting core are connected to the fixed inlet and outlet pipes, and finally installed in the shell with the heat insulating layer on the back to be made into Solar collectors.
  • Figure 1 is a schematic cross-sectional view showing a first embodiment of a heat collecting core of the present invention
  • Figure 2 is a schematic cross-sectional view showing a second embodiment of the heat collecting core of the present invention.
  • Figure 3 is a schematic cross-sectional view showing a third embodiment of the heat collecting core of the present invention.
  • Figure 4 is a schematic cross-sectional view showing a fourth embodiment of the heat collecting core of the present invention.
  • Figure 5 is a schematic cross-sectional view showing a fifth embodiment of the heat collecting core of the present invention.
  • Figure 6 is a schematic cross-sectional view showing a sixth embodiment of the heat collecting core of the present invention.
  • FIG. 7 is a schematic structural view of Embodiment 1 of a solar thermal collector of the present invention.
  • Figure 8 is a cross-sectional view taken along line A-A of Figure 7;
  • Figure 9 is a cross-sectional view taken along line B-B of Figure 7;
  • Figure 10 is a schematic structural view of Embodiment 2 of the solar thermal collector of the present invention.
  • the heat collecting core is a transparent flat layer 1 and a heat absorbing layer 2 which are oppositely disposed, and is connected to the light transmitting layer 1 and absorbs heat.
  • the black color of the heat absorbing layer 2 is a black plate which is prepared by adding a pigment to the layer where the heat absorbing layer is formed during drawing, and the side plate 3 and the light transmitting layer 1 are transparent plates. .
  • Embodiment 2 of the heat collecting core of the present invention is different from Embodiment 1 in that the center plate 3 is divided into transparent and black half, and the center of the heat collecting core is divided into Glossy and endothermic surfaces.
  • This case of Example 2 is caused by a process of semi-pigmenting in an organic plastic in a drawing process.
  • the heat collecting core is composed of a black heat absorbing layer 8 disposed in the transparent hollow body, and the top and bottom surfaces of the hollow body have heat absorption.
  • the layer 8 is oppositely disposed with transparent transparent layers 9, 10.
  • the embodiment 4 of the heat collecting core of the present invention is different from the first embodiment in that the heat collecting core is entirely formed of an organic plastic and a one-piece transparent cavity.
  • a black layer is formed on the inner surface of a transparent plate by painting, coating, or pasting.
  • a black layer may be formed on the outer surface of one of the transparent plates by applying a pigment, a magnetron sputtering technique, a black material, or a black paper.
  • Embodiment 4 of the heat collecting core of the present invention is different from Embodiment 1 in that
  • the light transmissive layer 1 and the heat absorbing layer 2 are curved plates, and the light transmissive plate 1 is provided with a gas permeable through the inner and outer cavities of the hollow cavity 1 11 .
  • the collector plate core of the embodiment 4 is used for collecting heat as a heat medium.
  • the venting opening 11 allows the air to be freely inserted into the interior of the collector core.
  • the embodiment 6 of the heat collecting core of the present invention is different from the first embodiment in that the light transmitting layer 1 and the heat absorbing layer 2 are wavy plates.
  • any of the heat collecting cores 7 and the heats respectively disposed on the upper and lower ends of the heat collecting core 7 are used.
  • the medium outflow channel ⁇ and the heat medium inflow passage 6, the both end openings of the heat collecting core 7 are in communication with the heat medium outflow passage 5 and the heat inflow passage 6, respectively.
  • the collector embodiment 2 can be used for windows or walls of buildings, and in specific use, the collector core 7 is fixed to a wall having thermal insulation properties or used directly as a fixed window.
  • Embodiment 2 of the heat collector of the present invention is different from Embodiment 1 of the heat collector:
  • the back surface of the heat collecting core 7 is further provided with a heat insulating material layer 4, which is Collector Example 2 For the roof or wall of a building.
  • the heat collector of the present invention When the heat collector of the present invention is in operation, water is used as the heat medium, and the water enters the hollow cavity of the heat collecting core 7 through the heat medium inflow passage 6. When the heat collecting core 7 is filled with water, the collecting core 7 welcomes the light.
  • the 3 ⁇ 4 layer 1 and the internal water act to increase the transmission and reduce the reflection, so that the solar light energy loss is reduced.
  • the incident solar light passes through the transparent layer 1 and passes through the transparent water layer to reach the backlight.
  • the light is thermally converted on the heat absorbing layer 2 to become a heat source.
  • the heat absorbing layer 2 is sandwiched between the water and the insulating layer 4 of the peripheral material, only the heat absorbing layer 2 is It can transmit to the water layer, basically does not dissipate heat to the environment, and does not set the heat insulation material layer in time. Since the heat flow of the heat absorption layer is quickly taken away by the flowing water, the heat loss is also relatively small.

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Description

太阳能集热板芯及使用该集热板芯的太阳能集热器 技术领域
本发明涉及太阳能利用技术领域， 尤其是一种太阳能集热板芯及使用该集 热板芯的太阳能集热器。
背景技术
就现有技术而言， 真空管集热器适用于中、高温热集热， 虽然具有高性能， 但价格昂贵， 且比较笨重， 安装、 搬运不便。 管板式集热器适用于中、 低温集 热， 价格较适中， 一般使用较多， 但其不足之处是集热板芯一般是由铜铝或铜 铝复合制成， 价格仍然偏高， 虽然黑表面的表面温度很高， 但由于集热器的热 源黑表面直接暴露于环境中， 因此其散热损失相应较大， 热效率较低。 并且， 由于真空管集热器、管板式集热器所采用的材料多为金属材料， 而且形状各异， 与建筑本身很难融为一体， 影响建筑的美观度。
发明内容
本发明的目的在于提供一种热效率高、 结构简单的太阳能集热板芯及使用 该集热板芯的太阳能集热器。
本发明的技术方案是： 一种太阳能集热板芯， 是由至少一个两端开口的中 空腔体结构构成， 所述中空腔体结构包括设置于腔体迎光面的透光层、 设置于 腔体中或腔体背光面的吸热层， 所述吸热层与透光层相对设置。
所述中空腔体结构是由相对设置的透光层和不透明的吸热层以及连接于透 光层和吸热层之间的侧板围合而成； 所述透光层为有机透明材料， 所述吸热层 为黑色材料层或在透明板的内表面或外表面上涂抹颜料、 磁控喷溅技术涂覆黑 色材料或粘贴黑色膜而成的黑色层。
所述中空腔体结构是由外表的透光层和连接于透光层之间的侧板围合而 成， 吸热层设置于透光层之间的中空腔体内部； 所述透光层为有机透明材料， 所述吸热层为黑色材料层或在透明板的内表面或外表面上涂抹颜料、 磁控喷溅 技术涂覆黑色材料或粘贴黑色膜而成的黑色层。
所述透光层和吸热层为平面板、 弧形板、 波浪形板或瓦楞形板。
所述透光层上开设有贯通中空腔体内外的透气孔。
本发明的太阳能集热器的技术方案是：该太阳能集热器包括集热板芯及分别 设置于集热板芯上下两端的热介质流出通道和热介质流入通道， 其特征在于：
1
确认 所述集热板芯是由一个或一个以上的两端开口的中空腔体结构结合而成， 所述 中空腔体结构是由设置于腔体外表的透光层以及设置于腔体中或腔体外表的吸 热层构成， 所述吸热层与透光层相对设置， 所述集热板芯的两端开口分别与热 介质流出通道和热介质流入通道连通。
所述中空腔体结构是由相对设置的透光层和不透明的吸热层以及连接于透 光层和吸热层之间的侧板围合而成； 所述透光层为有机透明材料， 所述吸热层 为黑色材料层或在透明板的内表面或外表面上涂抹颜料、 磁控喷溅技术涂覆黑 色材料或粘贴黑色膜而成的黑色层。
所述中空腔体结构是由外表的透光层和连接于透光层之间的侧板围合而 成， 吸热层设置于透光层之间的中空腔体内部； 所述透光层为有机透明材料， 所述吸热层为黑色材料层或在透明板的内表面或外表面上涂抹颜料、 磁控喷溅 技术涂覆黑色材料或粘贴黑色膜而成的黑色层。
所述透光层和吸热层为平面板、 弧形板、 波浪形板或瓦楞形板。
所述透光层上开设有贯通中空腔体内外的透气孔。
本发明从集热原理上和结构上提供了完全不同于传统管板式太阳能集热板 芯的太阳能集热板芯， 这种集热板芯包括中空腔体可供热介质流动， 并具有设 置于迎光面的透光层和设置于中空腔体中或背光面上的吸热层， 光线通过透光 层可抵达吸热层， 光在吸热层上完成光热转换， 使吸热层变成热源， 热源只有 向水层这个唯一的传热通道， 而吸热层的散热通道可被外设的隔热保温材料层 和中空腔体内的水层所阻挡， 其热流很快为流动的热介质带走， 而成为有效得 热， 散热损失极小， 集热效率高； 另外， 本发明的集热板芯充水时， 透光层及 水层起到了增加透射减小反射的作用， 太阳光能损失减小， 水在这里充当了增 透体、 隔热体、 和载热体， 是一种高效合理的创意。 本发明的结构十分简单， 整个板芯只有一个零件， 制造容易， 取衬方便, 成本低廉， 性价比高， 有利于 推广普及。
另外本发明的集热板芯可采用有机塑料等成本较低、重量较轻的透明材料， 从而代替了铜、 铝等贵金属材料， 因此成本低， 承重要求小， 可作为建筑物的 窗户、 墙面或屋顶而与建筑物结合为整体。
另外， 本发明可由自己选定的透明材料可以一次成型的拉出本发明所需要 的中空腔体， 然后在根据所要求的安装位置来决定腔体长、 宽尺寸。 将集热板 芯的两端连通固定进、 出水管， 最后安装在背部有隔热层的壳体中即可制作成 太阳能集热器。
附图说明
图 1是本发明的集热板芯实施例 1的截面示意图；
图 2是本发明的集热板芯实施例 2的截面示意图；
图 3是本发明的集热板芯实施例 3的截面示意图；
图 4是本发明的集热板芯实施例 4的截面示意图；
图 5是本发明的集热板芯实施例 5的截面示意图；
图 6是本发明的集热板芯实施例 6的截面示意图；
图 7是本发明的太阳能集热器实施例 1的结构示意图；
图 8是图 7的 A-A剖视图；
图 9是图 7的 B-B剖视图。
图 10是本发明的太阳能集热器实施例 2的结构示意图；
具体实施方式
如图 1所示， 本发明的集热板芯的实施例 1， 该集热板芯是由相对设置的 平板形的透光层 1和吸热层 2以及连接于透光层 1和吸热层 2之间的侧板 3围 合而成的两端幵口的中空腔体结构， 集热板芯的中空腔体内可供热介质流动， 所述吸热层 2为黑色， 该集热板芯整体由有机塑料一次拉制而成， 吸热层 2的 黑色是由拉制时在吸热层所在层中加入颜料而制作出的黑色板， 所侧板 3及透 光层 1为透明板。
如图 2所示， 本发明的集热板芯的实施例 2， 与实施例 1的不同之处在于， 侧板 3对中分为透明和黑色各半， 将集热芯对中分为透光面和吸热面。 实施例 2的这种情况是由拉制工艺中在有机塑料中对半加颜料的工艺导致的。
如图 3所示， 本发明的集热板芯的实施例 3， 集热板芯是由透明的中空腔 体中设置黑色的吸热层 8构成， 中空腔体的顶、 底面具有与吸热层 8相对设置 的透明的透光层 9、 10。
如图 4所示， 本发明的集热板芯的实施例 4， 与实施例 1的不同之处在于， 该集热板芯整体由有机塑料一次拉制而成的整体透明腔体， 在其中一个透明板 的内表面上通过涂抹、 镀膜、 粘贴等方式制作出黑色层。 该实施例中当然也可 以在其中一个透明板的外表面上通过涂抹颜料、 磁控喷溅技术涂覆黑色材料或 粘贴黑色纸等方式制作出黑色层。
如图 5所示， 本发明的集热板芯的实施例 4， 与实施例 1的不同之处在于， 透光层 1和吸热层 2为弧形板， 且透光板 1上设有贯通中空腔体内外的透气? 1 11 , 实施例 4的集热板芯用于空气作为热介质的集热工作， 透气孔 11可使空 ^ 能够自由进入集热板芯内部。
如图 6所示， 本发明的集热板芯的实施例 6， 与实施例 1的不同之处在于 透光层 1和吸热层 2为波浪形板。
如图 7〜图 9所示，本发明的集热器的实施例 1，采用上述集热板芯实施 ί 中的任意的集热板芯 7及分别设置于集热板芯 7上下两端的热介质流出通道 ί 和热介质流入通道 6， 集热板芯 7的两端开口分别与热介质流出通道 5和热^ 质流入通道 6连通。 该种集热器实施例 2可用于建筑的窗户或墙面， 在具体 用时， 将集热板芯 7固定在具有保温性能的墙面或直接作为固定窗户使用。
如图 10所示， 本发明的集热器的实施例 2， 与集热器的实施例 1的不同: 处在于： 集热板芯 7的背面还设有隔热保温材料层 4, 该种集热器实施例 2 用于建筑的屋顶或墙面。
本发明的集热器在工作时， 以水作为热介质， 水通过热介质流入通道 6 进入集热板芯 7的中空腔体内， 集热板芯 7充水时， 集热板芯 7迎光的 ¾光 层 1及内部的水起到了增加透射减小反射作用， 使太阳光能损失减小， 入射 太阳能光线充分穿过透光层 1并穿过透明的水层抵达背光的黑色的吸热层
2， 光在吸热层 2上完成光热转换， 使其变成热源， 当吸热层 2是被夹在水 与外设的隔热保温材料层 4之间时， 吸热层 2的只能向水层传递， 基本上不 会向环境散失热量， 及时不设置隔热保温材料层， 由于吸热层的热流很快为 流动的水带走， 散热损失也比较小。

Claims

权 利 要 求
1、一种太阳能集热板芯， 其特征在于： 是由至少一个两端开口的中空腔体 结构构成， 所述中空腔体结构包括设置于腔体迎光面的透光层、 设置于腔体中 或腔体背光面的吸热层， 所述吸热层与透光层相对设置。
2、根据权利要求 1所述的太阳能集热板芯， 其特征在于： 所述中空腔体结 构是由相对设置的透光层和不透明的吸热层以及连接于透光层和吸热层之间的 侧板围合而成； 所述透光层为有机透明材料， 所述吸热层为黑色材料层或在透 明板的内表面或外表面上涂抹颜料、 磁控喷溅技术涂覆黑色材料或粘贴黑色膜 而成的黑色层。
3、根据权利要求 1所述的太阳能集热板芯， 其特征在于： 所述中空腔体结 构是由外表的透光层和连接于透光层之间的侧板围合而成， 吸热层设置于透光 层之间的中空腔体内部； 所述透光层为有机透明材料， 所述吸热层为黑色材料 层或在透明板的内表面或外表面上涂抹颜料、 磁控喷溅技术涂覆黑色材料或粘 贴黑色膜而成的黑色层。
4、 根据权利要求 1〜3中任意一项 述的太阳能集热板芯， 其特征在于- 所述透光层和吸热层为平面板、 弧形板、 波浪形板或瓦楞形板。
5、 根据权利要求 4所述的太阳能集热板芯， 其特征在于： 所述透光层上幵 设有贯通中空腔体内外的透气孔。
6、 根据权利要求 1〜3中任意一项所述的太阳能集热板芯， 其特征在于- 所述透光层上开设有贯通中空腔体内外的透气孔。
7、一种太阳能集热器， 其特征在于： 包括集热板芯及分别设置于集热板芯 上下两端的热介质流出通道和热介质流入通道， 所述集热板芯是由一个或一个 以上的两端开口的中空腔体结构结合而成， 所述中空腔体结构是由设置于腔体 外表的透光层以及设置于腔体中或腔体外表的吸热层构成， 所述吸热层与透光 层相对设置， 所述集热板芯的两端开口分别与热介质流出通道和热介质流入通 道连通
8、根据权利要求 7.所述的太阳能集热器， 其特征在于： 所述中空腔体结构 是由相对设置的透光层和不透明的吸热层以及连接于透光层和吸热层之间的侧 板围合而成； 所述透光层为有机透明材料， 所述吸热层为黑色材料层或在透明 板的内表面或外表面上涂抹颜料、 磁控喷溅技术涂覆黑色材料或粘贴黑色膜而 成的黑色层。
9、根据权利要求 7所述的太阳能集热器， 其特征在于： 所述中空腔体结构 是由外表的透光层和连接于透光层之间的侧板围合而成， 吸热层设置于透光层 之间的中空腔体内部； 所述透光层为有机透明材料， 所述吸热层为黑色材料层 或在透明板的内表面或外表面上涂抹颜料、 磁控喷溅技术涂覆黑色材料或粘贴 黑色膜而成的黑色层。
10、根据权利要求 7〜9中任意一项所述的太阳能集热器， 其特征在于： 所 述透光层和吸热层为平面板、 弧形板、 鲛浪形板或瓦楞形板。
11、 根据权利要求 10所述的太阳能寒热器， 其特征在于： 所述透光层上开 设有贯通中空腔体内外的透气孔。
12、 根据权利要求 7、 8、 9、 11所述的太阳能集热器， 其特征在于： 所述 太阳能集热器上于集热板芯的吸热层背面装有保温隔热材料层。
13、 根据权利要求 10所述的太阳能集热器， 其特征在于： 所述太阳能 集热器上于集热板芯的吸热层背面装有保温隔热材料层。
PCT/CN2008/001217 2008-04-21 2008-06-24 太阳能集热板芯及使用该集热板芯的太阳能集热器 WO2009129663A1 (zh)

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