WO2012071975A1 - 一种太阳能平板集热器 - Google Patents

一种太阳能平板集热器 Download PDF

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Publication number
WO2012071975A1
WO2012071975A1 PCT/CN2011/082044 CN2011082044W WO2012071975A1 WO 2012071975 A1 WO2012071975 A1 WO 2012071975A1 CN 2011082044 W CN2011082044 W CN 2011082044W WO 2012071975 A1 WO2012071975 A1 WO 2012071975A1
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WIPO (PCT)
Prior art keywords
solar panel
cavity
heat
base
light
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PCT/CN2011/082044
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English (en)
French (fr)
Inventor
刘至国
Original Assignee
滁州伯恩太阳能科技有限公司
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Publication of WO2012071975A1 publication Critical patent/WO2012071975A1/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
    • F24S10/70—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
    • F24S10/753—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 parallel to each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S2025/601—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by bonding, e.g. by using adhesives
    • 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 utility model belongs to the technical field of heat exchange components, and relates to a solar panel collector. Background technique
  • Solar water heaters make full use of solar energy resources to convert solar energy into heat energy, and heat water from low temperature to high temperature to meet the hot water use of people in life and production.
  • the solar water heater is composed of a heat collecting tube, a water storage tank and related accessories.
  • the conversion of solar energy into heat energy mainly depends on the heat collecting plate.
  • the temperature of the heat collecting plate is high by the sunlight, and the temperature of the back surface of the heat collecting plate is low.
  • the water in the heat collecting plate generates a temperature difference reaction, and the principle of using the hot water to float the cold water to make the water generate microcirculation to reach the heated water. purpose.
  • Traditional solar water heaters are open and mounted on the roof, or suspended from a balcony or façade. Once the weather changes, the water heater is often unintentionally damaged. For example, when it rains, it often entrains a large amount of hail. When the hail exceeds a certain weight, the collector tube on the collector plate will be broken, which affects the efficiency of the water heater. If the collector tube is broken, the water heater will start. The conversion of thermal energy is not reduced, which reduces the service life of the water heater. Moreover, the water heater is installed on the roof, and it is difficult for people to find that the heat collecting tube is broken, so that when used, it brings many troubles and unnecessary troubles to the user.
  • the Chinese patent discloses a vacuum glass tube solar collector plate light transmission protection device [authorization announcement number: CN 2514272Y], which is installed by a solar collector with a coated vacuum glass tube with a bracket and a hot water overflow tube.
  • the plate is connected with the protection mechanism, and the protection mechanism is integrally formed by the connecting piece on the frame of the solar heat collecting plate and the transparent protective cover, as long as the screw is loosened or tightened. Open the Twilight Protection Grass, so that 10 repairs and exchanges are zero.
  • the above protection device can prevent the heat collecting tube from being broken, when the sunlight passes through the protective cover, the intensity of the sunlight directly reaching the heat collecting plate is weakened by the action of the protective cover, so that the heat collecting plate cannot fully absorb the solar energy. . If the protective cover is used in an atmosphere with insufficient sunlight, the purpose of heating the water by solar energy cannot be achieved at all. Summary of the invention
  • the object of the present invention is to provide a solar panel collector with high heat collecting efficiency in view of the above problems in the prior art.
  • a solar panel collector comprising a base having a cavity extending in a lateral direction, the surface of the cavity being provided with a thermal insulation layer, a plurality of tubular heat exchange tubes are disposed on the bottom surface of the cavity on the heat insulating layer, wherein the port of the base cavity is covered with a transparent glass, the transparent glass and the base cavity The ports are joined together by bonding.
  • the port of the base cavity has a convex edge protruding outward, and the edge of the light-transmitting glass abuts on the convex edge, and between the convex edge and the transparent glass With glue.
  • the outer convex edge of the base cavity is adhered to the light-transmitting glass, and does not occupy the cavity space, so that the sunlight can be sufficiently penetrated into the cavity through the light-transmitting glass.
  • the glue is UV glue.
  • the UV glue cures for a short period of time and achieves high strength after UV irradiation. It is quick to install and has a long-lasting bond.
  • UV glue is a shadowless glue or UV glue.
  • the flange has a plurality of recessed adhesive grooves.
  • the plastic groove is hemispherical.
  • the adhesive groove is evenly distributed on the convex edge.
  • a plastic groove can be set to allow the transparent glass to be transparent. The glass is bonded and tamped.
  • the heat insulating layer is further provided between the heat insulating layer and the light transmissive glass, and the heat exchange tube is connected to the heat conducting plate.
  • the heat conducting plate is a copper plate and has a blue titanium treatment layer on the surface of the copper plate.
  • the corners of the light transmissive glass are provided with wrap angles, and the wrap angles enclose the corners of the light transmissive glass and the edges of the convex edges.
  • the corners of the wrap angle are at right angles and the intersection is curved.
  • the function is to protect the edges and edges of the light-transmissive glass so that the corners are treated at an obtuse angle.
  • the light transmissive glass has a rectangular shape, and the four corners of the light transmissive glass have wrap angles.
  • the wrap angle is made of a plastic material.
  • the wrap angle made of plastic is low cost and durable.
  • the material of the heat insulating layer is a foam plastic.
  • the heat insulation layer made of foamed plastic has the advantages of low cost, simple processing, excellent elasticity and good heat insulation performance.
  • the heat insulating layer is a mineral wool product.
  • Mineral wool is an excellent thermal insulation material with advantages such as non-combustible, mildew, and non-deformation.
  • the heat exchange tube is a heat pipe.
  • the inside of the heat pipe is mainly transferred by the vapor and liquid phases of the working liquid, and the heat resistance is small, so that it has a high thermal conductivity.
  • the solar panel collector has the following advantages:
  • the convex edge at the base port is fixedly connected with the light-transmitting glass, and the light transmittance is better.
  • DRAWINGS Ml is not intended for the structure provided by the new type of purchase.
  • Figure 2 is a side cross-sectional view of the present invention.
  • Figure 3 is a partially enlarged side elevational view of the side view of the present invention.
  • the utility model comprises a base 1, a heat collecting plate 3, a heat exchange tube 2, and a heat insulating layer 6.
  • the base 1 is a rectangular aluminum cavity la, a cavity la surface.
  • An insulating layer 6 made of a glass wool material corresponding to the contour of the cavity la is laid.
  • the heat insulating layer 6 is provided with a heat exchange tube 2 composed of a pole tube 2a and a plurality of tubes 2b.
  • the ends of the pole tube 2a are fixed on the frame of the cavity l a horizontally at the edge of the rectangular cavity l a .
  • a plurality of tubes 2b are vertically inserted through the pole tube 2a, the top portion is abutted against the heat insulating layer 6, and the other end is fixed at the edge of the cavity la, and the tube 2b is vertically evenly embedded in the heat insulating layer 6.
  • the heat exchange tube 2 is covered with a rectangular heat collecting plate 3 which is slightly smaller than the cavity l a, and the tube 2b and the heat collecting plate 3 are ultrasonically connected. The heat energy collected by the heat collecting plate 3 can be absorbed evenly and quickly by the heat exchange tubes 2 embedded in the heat insulating layer 6, and the heat insulating layer 6 can effectively protect the heat energy from being lost.
  • the port of the cavity l a has a convex edge lb protruding outward, and a convex hemispherical plastic groove 5 is disposed on the convex edge lb, and the UV glue is stored.
  • the convex edge lb is covered with a light-transmissive glass 4 which is equal to the base 1 and can be firmly bonded to the convex edge lb through the action of the UV glue in the adhesive groove 5.
  • the corners of the rectangular bead lb are fitted with a plastic wrap angle 7, which better presses the bond between the bead lb and the light transmissive glass 4, and protects the edges and corners from collision and damage.
  • the base 1 is used more frequently; the cavity la; the flange lb; the heat exchange tube 2; the pole tube 2a; the tube 2b ; the heat collecting plate 3; the light transmitting glass 4; the plastic groove 5; 6; terms such as wrap angle 7, but does not preclude the possibility of using other terms. These terms are only used to more easily describe and explain the nature of the present invention; any of the additional limitations are to be construed as being inconsistent with the spirit of the present invention.

Description

技术领域
本实用新型属于换热元件技术领域， 涉及一种太阳能平板集 热器。 背景技术
太阳能热水器充分利用太阳能资源，把太阳光能转化为热能， 将水从低温度加热到高温度， 以满足人们在生活、 生产中的热水 使用。 太阳能热水器是由集热管、 储水箱及相关附件组成， 把太 阳能转换成热能主要依靠集热板。 集热板受阳光照射面温度高， 集热板背阳面温度低， 在集热板内的水便产生温差反应， 利用热 水上浮冷水下沉的原理， 使水产生微循环而达到加热水的目的。
传统的太阳能热水器为敞开式并安装在房顶上， 或者悬挂在 阳台或外墙上， 一旦遇到天气变化， 往往会使热水器受到意想不 到的损坏。 比如下雨时往往会夹带大量冰雹， 当冰雹超过一定重 量时， 将会把集热板上的集热管打碎， 这样就影响了热水器的功 效， 如果集热管被打碎多根， 热水器就起不到热能的转换作用， 降低了热水器的使用寿命。 而且热水器安装在房顶， 人们很难及 时发现集热管被打碎， 因此在使用时， 就会给用户带来许多烦恼 和不必要的麻烦。
为此， 人们经过长期的探索， 提出了各种各样的解决方案， 有些还申请了专利。 例如， 中国专利公开了一种真空玻璃管太阳 能集热板透光保护装置 [授权公告号为： CN 2514272Y] , 它由安装 有带支架、 热水过流管的镀膜真空玻璃管的太阳能集热板与保护 机构连接所组成， 而保护机构由太阳能集热板框架上的连接件与 透光保护罩可拆装连接成一体构成， 只要松开或拧紧螺钉， 就可 打开笾光保护草， 使十维修和调换零仵。
虽然上述保护装置能起到防止集热管被打碎的目的， 但阳光 穿过该保护罩时， 由于保护罩的作用使直接到达集热板上的阳光 强度减弱， 使集热板不能充分吸收太阳能。 若在阳光不充足的天 气使用这种保护罩，根本起不到利用太阳能对水进行加热的目的。 发明内容
本实用新型的目的是针对现有技术中存在的上述问题， 提供 了一种集热效率高的太阳能平板集热器。
本实用新型的目的可通过下列技术方案来实现： 一种太阳能 平板集热器， 包括一个底座， 该底座具有一沿横向展开的凹腔， 所述的凹腔的表面设有一隔热层， 在隔热层上所述凹腔的底面处 设有若干呈管状的热交换管， 其特征在于， 所述的底座凹腔的端 口处覆盖有一层透光玻璃， 所述透光玻璃与底座凹腔的端口处通 过粘接固连在一起。
在上述的太阳能平板集热器中， 所述底座凹腔的端口处具有 向外侧凸出的凸沿， 上述透光玻璃的边沿贴靠在凸沿上， 且在凸 沿与透光玻璃之间具有胶水。 底座凹腔的外侧凸沿与透光玻璃粘 合， 不占用凹腔空间， 能保证阳光充分穿过透光玻璃照射进凹腔 内。
在上述的太阳能平板集热器中， 所述的胶水为 UV 胶水。 UV 胶水固化时间短， 在紫外线照射后可达较高强度， 安装快捷， 粘 合持久牢固。 UV胶水为无影胶或紫外线胶水。
在上述的太阳能平板集热器中， 所述的凸沿上具有若干凹入 的容胶凹槽。 容胶凹槽为半球形， 在倒入 UV胶水时， 可以准确掌 握胶水的定位和用量， 让透光玻璃和凹腔凸沿能精确粘合。
在上述的太阳能平板集热器中， 所述的容胶凹槽均布于凸沿 上。 在长方形凸沿的四角和周边， 均可设置容胶凹槽， 让透光玻 璃粘合地吏竿固。
在上述的太阳能平板集热器中， 所述的隔热层与透光玻璃之 间还具有导热板， 上述的热交换管连接在导热板上。 导热板为铜 板且在铜板的表面具有兰钛处理层。
在上述的太阳能平板集热器中， 所述的透光玻璃的棱角处设 有包角， 且包角将透光玻璃的棱角处和凸沿的棱角包裹。 包角两 边成直角， 交叉处为弧形， 作用在于保护透光玻璃的棱角和凸沿 棱角， 使得其棱角处得到钝角处理。
在上述的太阳能平板集热器中， 所述的透光玻璃成长方形， 所述透光玻璃的四个棱角处均具有包角。
在上述的太阳能平板集热器中， 所述的包角采用塑料材料制 成。 塑料制成的包角成本低， 持久耐用。
在上述的太阳能平板集热器中， 所述隔热层的材料为泡沬塑 料。 泡沬塑料制成的隔热层具有成本低， 加工简单， 弹性优良， 隔热性能好等优势。
在上述的太阳能平板集热器中， 所述隔热层为矿物棉制品。 矿物棉是极佳的绝热材料， 具有不燃、 不霉、 不易变形等优势。
在上述的太阳能平板集热器中， 所述的热交换管为热管。 热 管内部主要靠工作液体的汽、 液相变传热， 热阻很小， 因此具 有很高的导热能力。
与现有技术相比， 本太阳能平板集热器有以下优点：
1、 底座端口处的凸沿和透光玻璃固连在一起，透光率更 好。
2、 采用胶水粘合， 包角加固， 使得太阳能平板集热器 结构紧凑， 外形美观。
附图说明 m l为本买用新型提供的结构不意图。
图 2为本实用新型提供的侧面剖视图。
图 3为本实用新型提供的侧面剖视局部放大图。
图中， 1、 底座； l a、 凹腔； lb、 凸沿； 2、 热交换管； 2a、 极管； 2b、 排管； 3、 集热板； 4、 透光玻璃； 5、 容胶凹槽； 6、 隔热层； 7、 包角。 具体实施方式：
以下是本实用新型的具体实施例并结合附图， 对本实用新型 的技术方案作进一歩的描述，但本实用新型并不限于这些实施例。
如图 1、 图 2、 图 3所示， 本实用新型包括底座 1、 集热板 3、 热交换管 2、 隔热层 6， 底座 1为一长方形的铝制凹腔 l a , 凹腔 l a表面铺有与凹腔 l a轮廓相对应的玻璃棉材料制成的隔热层 6。
隔热层 6上镶嵌有由一根极管 2a和数根排管 2b组成的热交 换管 2。 极管 2a两端固定在凹腔 l a边框上， 水平靠在长方形凹 腔 l a的边缘处。 数根排管 2b竖直穿插过极管 2a， 顶部抵在隔热 层 6上， 另一端固定在凹腔 l a边缘， 排管 2b竖直均布镶嵌在隔 热层 6内。热交换管 2上覆盖有一层略小于凹腔 l a的长方形集热 板 3， 排管 2b与集热板 3之间采用超声波悍接。 集热板 3收集的 热能， 能被镶嵌在隔热层 6上的热交换管 2均匀快捷地吸收， 隔 热层 6又能有效地保护热能不流失。
凹腔 l a的端口具有向外侧凸出的凸沿 lb， 凸沿 lb上设置有 均布的半球形容胶凹槽 5， 储存有 UV胶水。 凸沿 lb上覆盖有一 层与底座 1等大的透光玻璃 4，通过容胶凹槽 5中 UV胶水的作用， 能和凸沿 lb牢固地粘合在一起。 长方形凸沿 lb的四角安装有塑 料包角 7， 能更好地压合凸沿 lb和透光玻璃 4的粘合处， 又能保 护棱角， 防止发生碰撞而损坏。
本文中所描述的具体实施例仅仅是对本实用新型精神作举例 说明。 本买用新型所属技术领域的技术人员可以对所描述的具体 实施例做各种各样的修改或补充或采用类似的方式替代， 但并不 会偏离本实用新型的精神或者超越所附权利要求书所定义的范 围。
尽管本文较多地使用了底座 1; 凹腔 la; 凸沿 lb; 热交换管 2； 极管 2a; 排管 2b; 集热板 3; 透光玻璃 4; 容胶凹槽 5; 隔热 层 6; 包角 7等术语， 但并不排除使用其它术语的可能性。 使用 这些术语仅仅是为了更方便地描述和解释本实用新型的本质； 把 它们解释成任何一种附加的限制都是与本实用新型精神相违背 的。

Claims

1、 一种太阳能平板集热器， 包括一个底座 （1)， 该底座 （1) 具有一沿横向展开的凹腔（la), 所述的凹腔（la) 的表面设有一 隔热层 （6)， 在隔热层 （6) 上所述凹腔 （la) 的底面处设有若干 呈管状的热交换管（2)， 其特征在于， 所述的底座（1) 凹腔（la) 的端口处覆盖有一层透光玻璃（4)，所述透光玻璃（4)与底座（ 1) 凹腔 （la) 的端口处通过粘接固连在一起。
2、 根据权利要求 1所述的太阳能平板集热器， 其特征在于， 所述的底座（1)凹腔（la)的端口处具有向外侧凸出的凸沿（lb), 上述透光玻璃 （4) 的边沿贴靠在凸沿 （lb) 上， 且在凸沿 （lb) 与透光玻璃 （4) 之间具有胶水。
3、 根据权利要求 2所述的太阳能平板集热器， 其特征在于， 所述的胶水为 UV胶水。
4、 根据权利要求 2所述的太阳能平板集热器， 其特征在于， 所述的凸沿 （lb) 上具有若干凹入的容胶凹槽 （5)， 所述的容胶 凹槽 （5) 均布于凸沿 （lb) 上。
5、 根据权利要求 1或 2或 3或 4所述的太阳能平板集热器， 其特征在于， 所述的隔热层 （6) 与透光玻璃 （4) 之间还具有导 热板， 上述的热交换管 （2) 连接在导热板上。
6、根据权利要求 2或 3或 4所述的太阳能平板集热器， 其特 征在于， 所述的透光玻璃（4)的棱角处设有包角（7)， 且包角（7) 将透光玻璃 （4) 的棱角处与凸沿 （lb) 的棱角包裹。
7、 根据权利要求 6所述的太阳能平板集热器， 其特征在于， 所述的透光玻璃 （4) 成长方形， 所述透光玻璃 （4) 的四个棱角 处均具有包角 （7)。
8、 根据权利要求 6所述的太阳能平板集热器， 其特征在于， 所述的包角 （7) 采用塑料材料制成。
9、 根据权利要求 1或 2或 3或 4所述的太阳能平板集热器， 其特征在于， 所述的隔热层 （6) 的材料为泡沬塑料。
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CN102434976A (zh) * 2011-11-30 2012-05-02 滁州伯恩太阳能科技有限公司 一种太阳能平板集热器
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