WO2011140688A1 - 一体式太阳能平板集热器 - Google Patents

一体式太阳能平板集热器 Download PDF

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Publication number
WO2011140688A1
WO2011140688A1 PCT/CN2010/001184 CN2010001184W WO2011140688A1 WO 2011140688 A1 WO2011140688 A1 WO 2011140688A1 CN 2010001184 W CN2010001184 W CN 2010001184W WO 2011140688 A1 WO2011140688 A1 WO 2011140688A1
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WO
WIPO (PCT)
Prior art keywords
frame
flat
heat collecting
solar panel
collecting mechanism
Prior art date
Application number
PCT/CN2010/001184
Other languages
English (en)
French (fr)
Inventor
严卓晟
严锦璇
严卓理
罗妙珠
Original Assignee
广州市新栋力超声电子设备有限公司
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Application filed by 广州市新栋力超声电子设备有限公司 filed Critical 广州市新栋力超声电子设备有限公司
Publication of WO2011140688A1 publication Critical patent/WO2011140688A1/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
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/30—Arrangements for connecting the fluid circuits of solar collectors with each other or with other components, e.g. pipe connections; Fluid distributing means, e.g. headers
    • 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 heat collecting equipment using solar energy, in particular to an integrated solar flat panel collector.
  • Yangneng is the cleanest and most environmentally friendly energy source available, and it is a renewable resource that can be continuously used.
  • the level of solar energy utilization efficiency is determined by the solar collector.
  • a large part of the solar collectors currently on the market are flat plate collectors.
  • Solar panel collectors generally include a heat collecting mechanism and a frame, and the heat collecting mechanism is directly mounted in the frame.
  • the existing flat plate collector has the following drawbacks: The heat collecting mechanism is fixed on the frame bottom plate serving as the sheath and the container, and the heat collector mechanism is in direct contact with the bottom plate, so that some heat is transmitted through the contact portion such as the bottom plate.
  • the production of the frame needs to be realized by a complicated metal working process.
  • the manufacturing process is complicated and the production cost is high; the glass cover directly contacts the heat collecting device, because the glass cover passes Repeated high temperature and low temperature, easy to aging, multiple deformation will weaken the sealing effect, resulting in lower insulation effect, shortening the service life, water leakage, and even the water in the frame, affecting the life of the heat collecting mechanism.
  • the existing non-integrated solar flat panel collectors because the entire frame is supported by a plurality of pieces, the joints of the plurality of combined parts have the disadvantage of insufficient sealing, especially the water seepage into the flat plate mechanism. It will occur, causing the supersaturated water vapor to diffuse into the collector plate, which will seriously affect the illumination heat effect, and the residual fog will also corrode the material.
  • the scale accumulation of the inner wall of the liquid guiding tube of the existing solar flat panel collector is widespread. Scale is a result of the accumulation of magnesium and calcium ions in the hard water of the supply tank. The scale causes serious obstacles to heat accumulation and heat conduction, and is also an important cause of liquid tube rupture.
  • An object of the present invention is to provide an integrated solar panel collector which has a long life, is durable, and can effectively reduce heat loss in view of the deficiencies of the above-described conventional flat panel heat collector.
  • the integrated solar panel collector comprises a flat frame, a transparent sealing cover and a heat collecting mechanism, and the heat collecting mechanism is installed in the outer frame of the flat plate, between the heat collecting mechanism and the outer frame of the flat plate
  • the insulating material is filled; the transparent sealing cover is covered above the heat collecting mechanism, and the transparent sealing cover is fixed to the edge of the flat frame by a pressing frame, and a sealing frame is arranged between the transparent sealing cover and the edge of the flat frame.
  • the pressing frame and the side surface of the flat frame are fixed by the positioning nails, so that the pressing frame, the sealing frame and the transparent sealing cover are tightly combined in a gas-tight manner.
  • the outer side wall of the flat frame is provided with a groove so that the press frame can be latched through the groove wall of the groove during installation, which is convenient for installation.
  • the bottom of the flat frame is provided with a bracket, and the heat collecting mechanism is fixed on the bracket to prevent the transparent sealing cover from directly contacting the heat collecting mechanism and prolonging the service life of the transparent sealing cover.
  • the flat frame may be a direct integrated structure in which four sides of the bottom plate are bent to form a frame.
  • the four corners of the flat frame can be reinforced by a corner guard.
  • the heat collecting mechanism comprises a heat collecting plate and a fin tube, a liquid inlet tube and a liquid discharging tube, and two ends of the plurality of fin tubes are respectively connected with the liquid inlet tube and the liquid outlet tube, and the fin tube and the set are respectively integrated.
  • the bottom surface of the hot plate is in close contact and is integrated.
  • the heat collecting mechanism can be installed in the outer frame of the flat plate by vertical mounting of the finned tube or lateral mounting of the finned tube.
  • a corresponding interface with the inlet pipe and the outlet pipe is arranged on the four corner sides of the frame of the flat frame, and a sealing fixed rubber ring pad is arranged between the inlet pipe and the outlet pipe and the interface.
  • Ultrasonic anti-scaling equipment is installed at the nozzle of the inlet pipe, and the ultrasonic anti-scaling device can effectively prevent fouling of the fin tube, the inlet pipe and the inner wall of the outlet pipe. Because scale can seriously affect the heat collecting effect and heat transfer, the accumulation of scale can cause the risk of pipe bursting. Ultrasonic function cut-in can enhance heat exchange.
  • the bottom of the flat frame is provided with a constant pressure hole arranged with the moisture absorbing silicone mesh bag particles, so as to facilitate the proper communication between the flat heat collecting space and the outside, so that the internal pressure of the atmospheric pressure can be maintained in the flat collector, thereby preventing
  • the humidity in the flat plate is controlled to ensure that the inner wall surface of the transparent sealing cover does not freeze and dew due to the air containing supersaturated water vapor, and at the same time, it can effectively reduce the acidic water drops when the pH value is less than ⁇ . Formed to protect the endothermic coating from corrosion.
  • the transparent sealing cover may be a transparent glass plate or a fiber focusing transparent plate; the transparent glass plate may be float glass, tempered glass and low iron tempered glass.
  • the flat frame may be anodized aluminum, alloyed aluminum, galvanized or 304 stainless steel with corrosion protection.
  • the invention has the advantages that: the flat frame is integrally formed, the structure is simple, the manufacturing cost is low, the heat loss is small, and the transparent sealing cover and the heat collecting mechanism can be effectively extended. Lifetime 0
  • Figure 1 is a schematic cross-sectional view of an integrated solar panel collector of the present invention 1;
  • Figure 2 is a schematic cross-sectional view of the integrated solar panel collector of the present invention 2;
  • FIG. 3 is a schematic cross-sectional view of an integrated solar panel collector with an ultrasonic function fixture according to the present invention
  • Figure 4 is a schematic structural view of an ultrasonic functional fixture
  • Figure 5 is an assembled view of the integrated solar panel collector of the present invention.
  • FIG. 6 is a top plan view of a heat collecting mechanism of the integrated solar panel collector of the present invention.
  • FIG. 7 is a schematic structural view of a lateral installation of an integrated solar panel collector finned tube according to the present invention
  • FIG. 8 is a schematic structural view of a lateral installation of an integrated solar panel collector finned tube according to the present invention
  • Fig. 10 is a schematic view of the vertical installation structure of the integrated solar panel collector finned tube of the present invention.
  • the integrated solar panel collector as shown in Figures 1 and 5, comprises a flat frame 5, a transparent sealing cover 3 and a heat collecting mechanism, and the heat collecting mechanism is installed in the flat frame 5, in the heat collecting mechanism and the flat plate
  • the outer frame 5 is filled with the heat insulating material 6, and the heat insulating material 6 may be glass fiber or rock wool, which can effectively avoid heat loss in the heat collecting mechanism.
  • the transparent sealing cover 3 is covered on the upper part of the heat collecting mechanism, and the transparent sealing cover 3 is fixed on the edge of the flat frame 5 by the pressing frame 1 , and a sealing frame 2 is arranged between the transparent sealing cover 3 and the edge of the flat frame 5 .
  • the side of the pressing frame 1 and the flat frame 5 may be fixed by the positioning nails 4, so that the pressing frame 1.
  • the sealing frame 2 and the transparent sealing cover 3 are tightly sealed together, and a bracket 9 is disposed at the bottom inner wall of the flat frame 5, and the heat collecting mechanism is fixed on the bracket 9.
  • the transparent sealing cover 3 can be prevented from directly contacting the heat collecting mechanism, and the service life of the transparent sealing cover 3 can be prolonged; at the same time, the heat collecting mechanism can be fixedly protected.
  • the flat frame 5 may be a direct unitary structure in which the four sides of the bottom plate are bent to form a frame. As shown in FIG. 2, the outer side wall of the flat frame 5 is provided with a recess, so that the press frame 1 can be latched through the groove wall of the groove during installation, which facilitates the secure installation.
  • the two ends of the pressure frame 1 are provided with a card position, and the transparent sealing cover 3 can be caught on the flat frame 5.
  • the four corners of the flat frame 5 can be further reinforced by the corners 10.
  • the corner 10 encloses the corresponding interface of the liquid inlet pipe and the liquid outlet pipe at the four corners of the frame, and the corresponding corner hole through which the liquid collecting heat collecting pipe and the liquid discharging heat collecting pipe pass are arranged on the corner 10, so that the heat collecting can be effectively fixed. mechanism.
  • the heat collecting mechanism includes a heat collecting plate 8 and a fin tube 7, a liquid inlet tube 14, and a liquid discharging tube 12, and the two ends of the fin tube tube are respectively connected to the liquid inlet tube 14 and the liquid outlet tube 12 Connected to one body, the finned tube 7 is in close contact with the bottom surface of the heat collecting plate 8 in one body.
  • the surface of the heat collecting plate 8 is coated with a coating which is advantageous for heat absorption and heat loss reduction.
  • the heat collecting mechanism can be mounted in the flat frame 5 in a vertical manner in the fin tube 7 or in the lateral direction of the fin tube 7.
  • the way in which the finned tubes 7 are vertically mounted becomes a possibility that the solar panel collector is fixed to a building such as a balcony, and the range of use is effectively expanded.
  • the fin 7 tube, the inlet tube 14 and the outlet tube 12 can be made of a material having good conductivity such as aluminum or copper.
  • On the surface of the finned tube if it is a copper tube, it is plated with black chrome, or vacuum-sputtered with other heat-absorbing and protective coatings, and if it is an aluminum tube, it is anodized on the surface to produce an endothermic and protective surface layer.
  • the number of finned tubes can be set to 14, 16, 18 or 20 as needed.
  • the inlet tube 14 and the outlet tube 12 may have a size of 12 to 25 mm in diameter.
  • a baffle is provided at the edge of the heat collecting plate 8 to cover the edge position not covered by the heat collecting plate 8, thereby improving the heat absorbing efficiency.
  • An interface 11 corresponding to the liquid inlet pipe and the liquid outlet pipe is disposed on the four corner sides of the frame of the flat frame 5, and a sealing fixed rubber ring pad 15 is disposed between the liquid inlet pipe and the liquid outlet pipe and the interface 11 to make the liquid inlet pipe And the outlet pipe and the interface are in a concentric position to reduce the heat loss caused by convection.
  • the interface 11 may be a protruding structure or a recessed structure on the flat frame 5, as shown in FIGS. 7 to 10.
  • an ultrasonic anti-scaling device 18 can be installed at the nozzle 11 of the inlet pipe, and the ultrasonic anti-scaling device 18 can effectively prevent scaling of the fin tube, the inlet pipe and the inner wall of the outlet pipe. . Because scale can seriously affect heat transfer, and there is a danger of bursting.
  • the ultrasonic anti-scaling device 18 may be a round pipe clamp type ultrasonic function device, as shown in Fig. 4, mounted on the outer wall of the nozzle 11 of the inlet pipe.
  • the bottom of the flat frame 5 is provided with a constant pressure hole 17 to facilitate proper communication between the space inside the flat collector and the outside, so that the internal pressure of the atmospheric pressure can be maintained in the flat collector, and when the humidity of the air is high,
  • the humidity in the flat plate is controlled to ensure that the inner wall surface of the transparent sealing cover does not freeze and dew condensation due to the air containing supersaturated water vapor, and at the same time, it can effectively reduce the formation of acidic water drops when the PH value is less than 7, thereby ensuring no water.
  • the beads fall on the endothermic coating to avoid corrosion.
  • the constant pressure hole 17 is provided with a plurality of diameters of 5 to 12 m m, and a perforated rubber ring is disposed at the wall of the hole.
  • a circular non-woven mesh bag is fixed on the inner wall of the constant pressure hole 1 7 of the bottom plate of the flat frame, and the net bag contains moisture-absorbing silica gel particles, which cover the constant pressure hole 17 and make the air pass through the constant pressure hole. 1 7 freely in and out, but the moisture moisture of the outside is absorbed by the silica gel in the non-woven bag, so that it can properly insulate the water and directly enter the flat plate collector.
  • the transparent sealing cover may be a transparent glass plate or a fiber focusing transparent plate; the transparent glass plate may be float glass, tempered glass and low iron tempered glass.
  • the flat frame can be anodized aluminum, alloyed aluminum, galvanized or 304 stainless steel with corrosion protection.
  • the sealing frame 2 can be made of "3M" self-adhesive, EPDM, or silicone rubber.

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Description

一体式太阳能平板集热器 技术领域
本发明涉及利用太阳能的集热设备领域， 具体为一种一体式太阳能平板集 热器。
背景技术
阳能是可以利用的最清洁环保的能源， 并且是可以延续不断使用的可再 生资源。 太阳能利用效率的高低由太阳能集热装置来决定。 目前市面上使用的 太阳能集热器很大一部分是平板集热器。 太阳能平板集热器一般包括集热机构 和框架， 集热机构直接安装在框架内。 现有的平板集热器存在如下缺陷： 集热 机构固定在充当护壳及盛载容器的框架底板上， 由于集热器机构与底板直接接 触， 故必然导致部分热量通过底板等接触部位传递损失掉； 尤其制作框架需要 通过复杂的金属加工工艺才能实现， 若需要造成凹槽及配套的凸棱结构， 制作 工艺复杂， 生产成本高； 玻璃盖板直接与集热装置接触， 因玻璃盖板经过多次 高温和低温作用， 容易老化， 多次形变会减弱封闭效果， 导致降低保温效果， 且縮短使用寿命， 存在漏水， 甚至令框体进水， 影响集热机构的寿命。
另外， 现有的非一体式太阳能平板集热器， 由于整个框架盛载依托是由多 件组合而成的， 多处组合部件的连接部位存在不够密封的弊端， 尤其是渗水进 入平板机构内将会发生， 导致过饱和水汽雾弥漫于集热器平板内， 严重影响光 照热效应， 残雾也会腐蚀材料。
又由于现有的非一体式平板集热器没有注重在框架底或者边部设造具有阻 隔外来水汽进入的恒压孔， 于是水汽进入平板集热器内的现象不能够得到克服。 更甚者平板集热器内部空腔伴随着温度升高而膨胀， 也会伴随着温度的降低而 收缩， 这种反复现象会令平板集热器日趋松散变形， 而不能持续耐用， 也会令 热效应趋于劣化。 ，
现有的太阳能平板集热器的导液管内壁普遍存在着水垢积聚的现象。 水垢 是来自供甩硬水中会有的镁、 钙等离子聚集而成的， 水垢会造成热积聚和热传 导的严重障碍， 也是造成液管破裂的重要原因。
发明内容
本发明的目的是针对以上所述现有平板集热器存在的不足， 提供一种使用 寿命长、 坚固耐用、 能有效减少热损失的一体式太阳能平板集热器。
本发明是这样实现的： 一体式太阳能平板集热器， 包括平板外框， 透明密 封盖板和集热机构， 集热机构装设在平板外框内， 在集热机构与平板外框之间 填充有保温材料； 在集热机构的上方覆盖透明密封盖板， 透明密封盖板被压框 固定在平板外框的边缘， 在透明密封盖板与平板外框边缘之间设置有密封框。
所述的压框与平板外框的侧面通过定位钉固定， 使压框、 密封框和透明密 封盖板气密封地紧密结合在一起。
所述的平板外框外侧壁设置有凹槽， 以便于在安装时， 压框可以通过凹槽 的槽壁进行卡位， 便于安装。
所述的平板外框内底部设置有支架， 集热机构固定在支架上， 避免透明密 封盖板与集热机构直接接触， 延长透明密封盖板的使用寿命。
所述平板外框可以为由底板延伸组成的四边弯折形成边框的直接一体式结 构。 所述的平板外框四角可以通过护角来加固。
所述的集热机构包括集热板和翅片管、 进液管和出液管， 若干翅片管的两 端分别与进液管和出液管悍接连通为一体， 翅片管与集热板的底面紧密接触， 构成一体。
所述的集热机构在平板外框内的安装方式可以是翅片管竖向安装或者翅片 管横向安装。 '
在平板外框的边框四角侧面上设置有与进液管和出液管相应的接口， 进液 管和出液管与接口之间设置有密封固定胶圈垫。
在进液管的管口处装设有超声波防垢设备， 超声波防垢设备开启后能有效 地防止翅片管、 进液管和出液管内壁结垢。 因为水垢会严重影响集热效果和传 热， 水垢的积厚会导致爆管的危险。 超声波功能切入可以增强热交换。
所述的平板外框底部设置有配置了吸湿硅胶网袋颗粒的恒压孔， 以利于平 板集热 内空间与外界保持适度的连通， 从而平板集热器内能维持一个大气压 的内在压力， 防止当空气湿度大的时候， 平板内的湿度得到控制， 保证透明密 封盖板内壁面不会因空气含有过饱和水汽而发生冷冻结露现象， 同时可以有效 减少当 PH值小于 Ί的呈酸性水珠形成， 从而保护吸热涂层避免腐蚀。
所述的透明密封盖板可以为透明玻璃板， 也可以是纤维聚焦透明板； 透明 玻璃板可以是浮化玻璃、 钢化玻璃和低铁钢化玻璃。
所述的平板外框可以是经阳极氧化的铝材、 合金铝板、 镀锌板或者是具有 防腐蚀性能的 304不锈钢。
与现有技术相比， 本发明具有的优点是： 平板外框为一体成型的， 结构简 单， 制作成本低， 热损失少， 可以有效地延长透明密封盖板和集热机构的使用 寿命 0
附图说明
图 1为本发明一体式太阳能平板集热器的横截面结构示意图 1;
图 2为本发明一体式太阳能平板集热器的横截面结构示意图 2;
图 3为本发明一体式太阳能平板集热器带超声波功能夹具的横截面结构 示意图；
图 4为超声波功能夹具的结构示意图；
图 5为本发明一体式太阳能平板集热器的装配图；
图 6为本发明一体式太阳能平板集热器的集热机构的俯视图；
图 7为本发明一体式太阳能平板集热器翅片管横向安装的结构示意图 1 ; 图 8为本发明一体式太阳能平板集热器翅片管横向安装的结构示意图 2; 图 9为本发明一体式太阳能平板集热器翅片管竖向安装结构示意图 1 ; 图 1 0为本发明一体式太阳能平板集热器翅片管竖向安装结构示意图 2。 具体实施方式
以下结合附图和具体实施例对本发明一体式太阳能平板集热器进行详细的 说明。
一体式太阳能平板集热器， 如图 1和 5所示， 包括平板外框 5， 透明密封盖 板 3和集热机构， 集热机构装设在平板外框 5内， 在集热机构与平板外框 5之 间填充有保温材料 6，保温材料 6可以是玻璃纤维或者岩棉， 可以有效地避免集 热机构内的热量散失。 在集热机构的上方覆盖透明密封盖板 3， 透明密封盖板 3 被压框 1固定在平板外框 5的边缘， 在透明密封盖板 3与平板外框 5边缘之间 设置有密封框 2。压框 1与平板外框 5的侧面可以是通过定位钉 4固定，使压框 1、 密封框 2和透明密封盖板 3气密封的紧密结合在一起， 在平板外框 5底部内 壁处设置有支架 9， 集热机构固定在支架 9上。综上所设置， 可以避免透明密封 盖板 3与集热机构直接接触， 延长透明密封盖板 3的使用寿命； 同时也可以对 集热机构起到固定保护作用。 平板外框 5可以为由底板的四边弯折形成边框的 直接一体式结构。 如图 2所示， 平板外框 5的外侧壁设置有凹槽， 以便于在安 装时， 压框 1可以通过凹槽的槽壁进行卡位， 便于牢固安装。 压框 1的两端部 设置有卡位， 可以将透明密封盖板 3卡住在平板外框 5上。 在平板外框 5的四 角可以通过护角 10来进一步加固。 护角 10包住边框四角上的进液管和出液管 相应的接口， 护角 10上设置有进液集热管和出液集热管穿过的相应的通孔， 这 样可以有效的固定集热机构。
集热机构，如图 6所示，包括集热板 8和翅片管 7、进液管 14和出液管 12, 翅片管 Ί的两端分别与进液管 14和出液管 12悍接连通为一体， 翅片管 7与集 热板 8的底面紧密接触为一体。 集热板 8表面涂覆有利于吸热和减少热损失的 涂层。 如图 5〜8所示， 集热机构在平板外框 5 内的安装方式可以是翅片管 7 竖向安装或者翅片管 7横向安装。 翅片管 7竖向安装的方式太阳能平板集热器 固定在阳台等建筑部位变成了可能， 有效地扩展了使用范围。 翅片 7管、 进液 管 14和出液管 12可以采用铝、 铜等传导性能好的材料制成。 在翅片管的表面， 如果是铜管则镀有黑铬， 或者真空溅射有其它吸热与防护的镀层， 如果是铝管 则在表面进行阳极化， 以产生吸热和防护表面层。 翅片管的数量可以根据需要 设置有 14、 16、 18或者 20条等。 进液管 14和出液管 12的规格可以是直径为 12〜25mm。 在集热板 8的边缘设置有挡板， 以覆盖集热板 8覆盖不到的边缘位 置， 提高吸热效率。 在平板外框 5的边框四角侧面上设置有与进液管和出液管相应的接口 11， 进液管和出液管与接口 11之间设置有密封固定胶圈垫 15，使进液管和出液管与 接口处于同心圆位置， 减少因对流造成的热损失。 接口 11在平板外框 5上可以 是突出结构或者是凹陷结构， 如图 7〜1 0所示。
如图 3所示，在进液管的管口 11处可以装设有超声波防垢设备 18，超声波 防垢设备 18开启后能有效的防止翅片管、 进液管和出液管内壁结垢。 因为水垢 会严重影响传热， 并且存在爆管的危险。 超声波防垢设备 18可以是圆管钳夹式 超声波功能装置， 如图 4所示， 安装在进液管的管口 11处的外壁上。 平板外框 5 的底部设置有恒压孔 17， 以利于平板集热器内空间与外界保持适度的连通， 从而平板集热器内能维持一个大气压的内在压力， 也防止当空气湿度大的时候， 平板内的湿度得到控制， 保证透明密封盖板内壁面不会因空气含有过饱和水汽 而发生冷冻结露现象， 同时可以有效减少当 PH值小于 7的呈酸性水珠形成， 从 而保证无水珠落在吸热涂层避免腐蚀。所述的恒压孔 1 7设置有若干个，直径可 以为 5〜1 2 m m， 在孔壁处设置有护孔胶圈。 在平板外框底板的恒压孔 1 7 内壁固定着一个圆形的无纺布网袋， 网袋内盛装着吸湿的硅胶颗粒， 正好覆盖 住恒压孔 1 7， 使空气可以通过恒压孔 1 7自如的进出， 但外界的水份湿气被无 纺布袋内的硅胶所吸收， 因而能适度隔绝水份直接进入平板集热器内。
透明密封盖板可以为透明玻璃板， 也可以是纤维聚焦透明板； 透明玻璃板 可以是浮化玻璃、 钢化玻璃和低铁钢化玻璃。 平板外框可以是经阳极氧化的铝 材、 合金铝板、 镀锌板或者是具有防腐蚀性能的 304不锈钢。 密封框 2可以是 由 " 3M "不干胶、 三元乙丙、 或者硅橡胶等制成。

Claims

权 利 要 求 书
1、 一体式太阳能平板集热器， 包括平板外框， 透明密封盖板和集热机构， 集热机构装设在平板外框内， 其特征在于： 在集热机构与平板外框之间填充有 保温材料； 在集热机构的上方覆盖透明密封盖板， 透明密封盖板被压框固定在 平板外框的边缘， 在透明密封盖板与平板外框边缘之间设置有密封框。
2、 如权利要求 1所述的一体式太阳能平板集热器， 其特征在于： 所述的压 框与平板外框的侧面通过定位钉固定， 使压框、 密封框和透明密封盖板气密封 的紧密结合在一起。
3、 如权利要求 1或 2所述的一体式太阳能平板集热器， 其特征在于： 所述 的平板外框的外侧壁设置有凹槽。
4、 如权利要求 1或 2所述的一体式太阳能平板集热器， 其特征在于： 所述 的平板外框内底部设置有支架， 集热机构固定在支架上。
5、 如权利要求 3所述的一体式太阳能平板集热器， 其特征在于： 所述平板 外框为由底板延伸组成的四边弯折形成边框的直接一体式结构， 平板外框的四 角通过护角来加固。
6、 如权利要求 1所述的一体式太阳能平板集热器， 其特征在于： 所述的集 热机构包括集热板和翅片管、 进液管和出液管， 若干翅片管的两端分别与进液 管和出液管焊接连通为一体， 翅片管与集热板的底面紧密接触为一体。
7、 如权利要求 6所述的一体式太阳能平板集热器， 其特征在于： 所述的集 热机构在平板外框内的安装方式是翅片管竖向安装或者横向安装。
8、 如权利要求 6所述的一体式太阳能平板集热器， 其特征在于： 在平板外 框的边框四角侧面上设置有与进液管和出液管相应的接口， 进液管和出液管与 接口之间设置有密封固定胶圈垫。
9、 如权利要求 6所述的一 式太阳能平板集热器， 其特征在于： 在进液管 的管口处装设有超声波防垢设备.
10、 如权利要求 1所述的一体式太阳能平板集热器， 其特征在于： 所述的 平板外框的底部设置有配置吸湿硅胶网袋颗粒的恒压孔。
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