CN101158513A - 一种太阳能集热板及其制作方法 - Google Patents
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F24S10/72—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits being integrated in a block; the tubular conduits touching each other
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Abstract
本发明是一种太阳能集热板及其制作方法,由设在同一平面上相互间用肋片连接的圆管及设在其四周并有肋片与圆管相应连接上盖板、下托板、封在左右两侧的侧板组成的用透明材料制造的构件,在圆管的内壁处设有太阳能集热层、下托板的底面设有反光层。本发明的制作方法:a.用透明塑料通过挤塑机及模具挤出制成构件;b.在圆管内壁处涂或镀上太阳能集热层、或镶入涂或镀有太阳能集热层的薄壁圆管;c.在下托板的底面涂或镀或贴上反光层。本发明的优点是光热转换有效面积大、转换效率高、整体性好、抗冲击性能优越、制造成本低,可应用于如太阳能热水器、太阳能暖风装置、太阳能空调的太阳能集热器,并可用于具有太阳能集热功能的屋面板工程。
Description
技术领域
本发明属太阳能利用技术,特别涉及一种太阳能集热板及其制作方法。
背景技术
已有的太阳能集热技术:真空玻璃集热管集热,其光热转换效率高,但有效集热面积比例小并且易碎,遇有大风或冰雹常造成损坏;平板式集热器集热,该技术是在金属薄板表面设置一光热转换层并将集取到的热能传到其背面的传热导流管内,在上表面需加盖透明盖板,四周及底部设置保温层及外壳,其缺陷是制作程序多、整体性差、生产成本较高。
发明内容
本发明所要解决的技术问题是提供一种光热转换效率高、抗冲击性能优越、制作程序简单、集热板的底部可不设保温层、整体性好、生产成本较低的并适合工业化批量生产的太阳能集热板。
本发明的技术方案是:这种太阳能集热板是在同一平面上平行排列有至少2根相互间由肋片1连接的圆管2及在呈排列状的圆管2的四周设有上盖板3、下托板4及封在左右两侧的侧板5并与相应的圆管2由肋片1分别连接的用透明材料制造的构件,圆管2的内壁处设有太阳能集热层6。圆管2相互之间及其与下托板4之间也可用“Y”形连接条7连接。下托板4的底面设有反光层8。
本发明的制作方法:
a、所述的用透明材料制造的构件,是用耐低温-30℃以下,耐高温100℃以上,耐老化10年以上的透明塑料用挤塑机通过模具挤出而成;
b、所述的圆管的内壁处设有太阳能集热层的制作方法是在圆管的内壁处涂上一层耐冲刷的光热转换涂层或镀上一层光热转换镀层、在镀层上施加耐冲刷的防护涂料或只镀上一层耐冲刷的光热转换镀层,还可用外表面涂有或镀有光热转换层的薄壁圆管镶入构件的圆管内,所述的镶入可以是插入或在用挤塑机通过模具挤出构件时作为构件的嵌件一起挤出;
C、所述的构件的下托板的底面设有反光层,可以是涂反光涂料、镀反光镀层或粘贴反光膜。
本发明的优点:光热转换有效面积大、转换效率高;整体构件只用一种透明塑料制造,抗冲击性能优越、更适合于工业化生产;集热管除与面板、底板、侧板间有定位条线连接外其余部分只与封闭空气接触,所以保温性能好;并且结构简单、生产成本低。可广泛应用于太阳能热水器、太阳能暖风器、太阳能空调和太阳能集热型屋面板等。
附图说明
为了使本发明的内容更容易被清楚的理解,下面根据具体实施例并结合附图,对本发明作进一步详细的说明,其中
图1是圆管外围为四边定位的太阳能集热板的剖面结构示意图;
图2是圆管外围为三边定位的太阳能集热板的剖面结构示意图;
图3是应用于平板聚流式太阳能集热器的结构示意图;
图4是应用于平板回流式太阳能集热器的结构示意图;
图5是应用于太阳能集热型屋面板的剖面结构示意图。
具体实施方式
下面结合附图及实施例对本发明作进一步描述:本实施例是在同一平面上平行排列有8根相互间由肋片1连接的圆管2,并通过肋片1与设在其上方的上盖板3、设在其下方的下托板4及封在其左右两侧的侧板5相应连接的用透明PC塑料制造的组合构件,在圆管2的内壁处涂有太阳能集热层6,在下托板4的底面涂有反光层8。
本实施例的制作方法:
a、用耐低温-50℃以下,耐高温120℃以上,耐老化15年以上的改性透明PC塑料用挤塑机通过模具挤出而将本实施例的组合构件制作成一种透明型材;
b、在透明型材的圆管的内壁处涂覆经过纳米级超细粉碎的石墨粉末与硅树脂调合成的黑色涂料构成太阳能集热层;
C、在透明型材的底部涂覆一层反光涂料构成反光层;为防止表面划伤和污染,在透明型材的上表面还涂有一层透明硅树脂。
Claims (4)
1.一种太阳能集热板,其特征在于:这种太阳能集热板是在同一平面上平行排列有至少2根相互间由肋片(1)连接的圆管(2)及在呈排列状的圆管(2)的四周设有上盖板(3)、下托板(4)及封在左右两侧的侧板(5)并与相应的圆管(2)由肋片(1)分别连接的用透明材料制造的构件,圆管(2)的内壁处设有太阳能集热层(6)。
2.根据权利要求1所述的一种太阳能集热板,其特征在于:圆管(2)相互之间及其与下托板(4)之间用“Y”形连接条(7)连接。
3.根据权利要求1或2所述的一种太阳能集热板,其特征在于:下托板(4)的底面设有反光层(8)。
4.一种太阳能集热板的制作方法,其特征在于:
a、所述的用透明材料制造的构件,是用耐低温-30℃以下,耐高温100℃以上,耐老化10年以上的透明塑料用挤塑机通过模具挤出而成;
b、所述的圆管的内壁处设有太阳能集热层的制作方法是在圆管的内壁处涂上一层耐冲刷的光热转换涂层或镀上一层光热转换镀层、在镀层上施加耐冲刷的防护涂料或只镀上一层耐冲刷的光热转换镀层,还可用外表面涂有或镀有光热转换层的薄壁圆管镶入构件的圆管内,所述的镶入可以是插入或在用挤塑机通过模具挤出构件时作为构件的嵌件一起挤出;
C、所述的构件的下托板的底面设有反光层,可以是涂反光涂料、镀反光镀层或粘贴反光膜。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010076784A2 (en) | 2008-12-31 | 2010-07-08 | Ziv-Av Engineering | Solar heating apparatus |
| WO2012013466A2 (fr) | 2010-07-28 | 2012-02-02 | Commissariat à l'énergie atomique et aux énergies alternatives | Absorbeur de capteur solaire thermique, capteur le comprenant, et procédé pour sa préparation |
| WO2012113097A1 (zh) * | 2011-02-23 | 2012-08-30 | Chen Wen-Hao | 具可塑性太阳能集热板结构 |
| CN105222380A (zh) * | 2014-06-12 | 2016-01-06 | 佛山圣哥拉太阳能科技有限公司 | 一种聚合物太阳能集热器及其制造方法 |
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2007
- 2007-11-08 CN CNA2007101350799A patent/CN101158513A/zh active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010076784A2 (en) | 2008-12-31 | 2010-07-08 | Ziv-Av Engineering | Solar heating apparatus |
| WO2012013466A2 (fr) | 2010-07-28 | 2012-02-02 | Commissariat à l'énergie atomique et aux énergies alternatives | Absorbeur de capteur solaire thermique, capteur le comprenant, et procédé pour sa préparation |
| WO2012113097A1 (zh) * | 2011-02-23 | 2012-08-30 | Chen Wen-Hao | 具可塑性太阳能集热板结构 |
| CN105222380A (zh) * | 2014-06-12 | 2016-01-06 | 佛山圣哥拉太阳能科技有限公司 | 一种聚合物太阳能集热器及其制造方法 |
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