CN105590970A - 高海拔地区用光伏组件 - Google Patents
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 4
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H01L31/00—Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H01L31/00—Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
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- H—ELECTRICITY
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- H01L31/04—Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
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- H01L31/04—Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- 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
- Y02E10/50—Photovoltaic [PV] energy
Abstract
本发明提供一种适合用于高海拔地区的光伏组件,避免紫外线引起的材料老化、组件失效等问题。一种高海拔地区用光伏组件,包括从上至下依次层叠的玻璃、第一EVA层、太阳能电池片、第二EVA层和背板,所述第二EVA层为抗紫外线高截止EVA层。所述玻璃为表面涂覆有防污涂层的减反射镀膜玻璃。所述背板的上表面和下表面上涂覆有含氟层。
Description
技术领域
本发明涉及太阳能光伏领域,特别涉及一种高海拔地区用光伏组件。
背景技术
随着传统化石能源日益短缺,可再生能源的开发和应用越来越受到人们的关注。作为重要的可再生能源,太阳能光伏发电拥有广阔的前景。高原等高海拔地区日照时间长,大气稀薄、空气清洁,太阳辐射强,昼夜温差较大,拥有丰富的太阳能资源,具备利用光伏发电的良好条件。由于传统光伏组件对紫外辐射的防护能力的不足,难以在高原地区保证其在质保期内的正常发电。
在高海拔地区,由于日照强度大,尤其是光照中紫外线强度强于在平原等低海拔地区,常规光伏组件容易出现老化等情况,风沙天气和较大的昼夜温差会造成光伏接线盒开裂。此外,较长的降雪时间导致组件表面积雪也会影响组件全年的发电量。因此,常规组件已经不能满足特殊气候条件的要求。针对不同环境条件研发具备特殊性质的光伏组件将是未来组件发展的趋势及方向。
发明内容
针对上述问题,本发明的目的是提供一种适合用于高海拔地区的光伏组件,避免紫外线引起的材料老化、组件失效等问题。
为解决上述技术问题,本发明采用的技术方案为:
一种高海拔地区用光伏组件,包括从上至下依次层叠的玻璃、第一EVA层、太阳能电池片、第二EVA层和背板,所述第二EVA层为抗紫外线高截止EVA层。
优选地,所述玻璃为表面涂覆有防污涂层的减反射镀膜玻璃。
优选地,所述背板的上表面和下表面上涂覆有含氟层。
优选地,所述光伏组件还包括设置在所述背板下表面的接线盒,所述接线盒的额定电流为13~17A,额定电压为1200~1800V。
更优选地,所述接线盒的防护等级为IP68及以上。
优选地,所述光伏组件还包括铝制边框,所述玻璃、第一EVA层、太阳能电池片、第二EVA层和背板安装于所述铝制边框中。
优选地,所述第一EVA层为高透EVA层。
本发明采用上述技术方案,相比现有技术具有如下优点:适用于高原等高海拔地区,该组件能长期有效避免紫外线引起的材料老化、组件失效等问题,可以充分利用高原地区丰富的光照资源。
附图说明
图1为本发明的一种光伏组件的结构示意图。
上述附图中:
1、玻璃;2、第一EVA层;3、电池片;4、第二EVA层;5、背板;6、接线盒;7、铝制边框。
具体实施方式
下面结合附图对本发明的较佳实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域的技术人员理解。本发明中述及的上和下是根据本领域人员的惯常观察角度和为了方便叙述而定义,不限定具体的方向,如,分别对应于图1中纸面的上侧和下侧。
附图1所示为本发明的一种太阳能光伏组件,其适用于高原等高海拔地区。参照附图1所示,包括从上至下依次层叠的玻璃1、第一EVA层2、太阳能电池片3、第二EVA层4和背板5。其中,玻璃1为表面涂覆有防污涂层的减反射镀膜玻璃1,上述玻璃1通过在表面涂覆防污减反射涂料制成,具有防止污染的作用,可有效防止积雪覆盖并且最大限度地利用太阳辐射。第一EVA层2为采用高透EVA胶膜制成的高透EVA层。电池片3为多个且依次串接。第二EVA层4为采用添加有抗紫外线剂的EVA胶膜制成的抗紫外线高截止EVA层,具有截止紫外线的功能。背板5的上表面和下表面上涂覆有含氟层,具体为PTFE(聚四氟乙烯)涂料。采用抗紫外老化能力更强的EVA和背板5,避免材料老化和组件失效的发生,提升组件整体的耐候性。
光伏组件还包括设置在背板5下表面的接线盒6。接线盒6的额定电流为13~17A,额定电压为1200~1800V,防护等级为IP68及以上。目前常规组件接线盒6的额定电流一般为12.8A,额定电压一般为1000V,防护等级为IP65至IP67。本发明采用更大额定电流(如,15A)、更大额定电压(如,1500V)以及更高防护等级(如,IP68)的接线盒6,提高组件在特殊气候条件下的可靠性,确保其长时间正常工作。此处,防护等级依照IP(INGRESSPROTECTION)防护等级系统。
光伏组件还包括铝制边框7,玻璃1、第一EVA层2、太阳能电池片3、第二EVA层4和背板5安装于铝制边框7中。由于高原地区风力较大,采用加厚边框有利于加强组件安装的稳固性。
综上,本发明的光伏组件是一种新型的适用于高原等高海拔地区的晶体硅太阳能光伏组件。该组件可以充分利用高原地区丰富的光照资源,并能长期有效防止紫外线引起的材料老化、组件失效,还具备抵御昼夜温差对材料性质的影响。本发明的光伏组件可以在传统晶硅组件生产线实现,无需在产线增加任何工序及人力。
上述实施例只为说明本发明的技术构思及特点,是一种优选的实施例,其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施,并不能以此限制本发明的保护范围。凡根据本发明的精神实质所作的等效变化或修饰,都应涵盖在本发明的保护范围之内。
Claims (7)
1.一种高海拔地区用光伏组件,包括从上至下依次层叠的玻璃、第一EVA层、太阳能电池片、第二EVA层和背板,其特征在于:所述第二EVA层为抗紫外线高截止EVA层。
2.根据权利要求1所述的高海拔地区用光伏组件,其特征在于:所述玻璃为表面涂覆有防污涂层的减反射镀膜玻璃。
3.根据权利要求1所述的高海拔地区用光伏组件,其特征在于:所述背板的上表面和下表面上涂覆有含氟层。
4.根据权利要求1所述的高海拔地区用光伏组件,其特征在于:所述光伏组件还包括设置在所述背板下表面的接线盒,所述接线盒的额定电流为13~17A,额定电压为1200~1800V。
5.根据权利要求4所述的高海拔地区用光伏组件,其特征在于:所述接线盒的防护等级为IP68及以上。
6.根据权利要求1所述的高海拔地区用光伏组件,其特征在于:所述光伏组件还包括铝制边框,所述玻璃、第一EVA层、太阳能电池片、第二EVA层和背板安装于所述铝制边框中。
7.根据权利要求1所述的高海拔地区用光伏组件,其特征在于:所述第一EVA层为高透EVA层。
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CN108871423A (zh) * | 2018-05-02 | 2018-11-23 | 安徽中疆环境科技有限公司 | 一种基于物联网技术的便捷式河道水环境监测站 |
CN108987512A (zh) * | 2018-06-04 | 2018-12-11 | 苏州中来光伏新材股份有限公司 | 一种轻质柔性太阳能电池组件 |
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CN108987512A (zh) * | 2018-06-04 | 2018-12-11 | 苏州中来光伏新材股份有限公司 | 一种轻质柔性太阳能电池组件 |
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