CN103607171B - 宽组合花型聚光组件 - Google Patents
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Abstract
一种宽组合花型聚光组件,包括背板、EVA胶膜、硅片和玻璃基板,在玻璃基板之上设有光线收集器,光线收集器上方设有玻璃盖板。所述的光线收集器由聚光器和支架组成,聚光器的两端架设并固定在支架上,聚光器包括聚光器本体,在聚光器本体上设有至少三个聚光部,所述聚光部的顶面为平面,聚光部之间设有阶梯槽。本发明通过在传统组件结构上面增加具有宽组合聚光花型玻璃和光线收集器,先通过具有宽组合花型玻璃一次收集阳光,再利用光线收集器将光线进行二次聚集后均匀落在下面对应设置的硅片上,可将光线聚集成若干个光束带,而只在光束带上设置相应数量的硅片,大大降低了硅片的使用量,提高了单位面积阳光利用率,降低成本。
Description
技术领域
本发明属于太阳能光伏组件技术领域,具体涉及一种宽组合花型聚光组件。
背景技术
太阳能是一种干净的可再生的新能源,越来越受到人们的亲睐,在人们生活、工作中有广泛的作用, 其中之一就是将太阳能转换为电能。
目前,国内外光伏组件企业生产的光伏组件,主要结构包括:封装盖板玻璃、EVA胶膜、太阳能电池片、EVA胶膜、TPT背板等组成,上述部分元件通过加热层压成为一个整体,封装在铝边框内形成光伏组件。
上述光伏组件中封装盖板玻璃主要采用表面成型有细小花型的太阳能光伏玻璃,玻璃表面为绒面、六角形、四角形等细小花型,花型深度一般为0.3mm以下,花型起到抑制光线反射,增加透光率的作用,但硅片使用量与玻璃使用量基本相当(从平面面积来看),硅片作为太阳能光伏电池主要封装材料,是太阳能光伏电池的主要原材料,也是成本主要部分之一,硅片用量的多少直接影响到太阳能光伏电池的成本及销售价格,而太阳能光伏电池的成本将影响到太阳能光伏发电的应用,如果减少了太阳能光伏电池里的硅片,而发电功率没有减少,将会大幅度降低太阳能光伏电池的制造成本。
发明内容
本发明的目的在于解决现有技术中存在的上述技术问题,提供一种宽组合花型聚光组件。
为实现上述目的,本发明采用的技术方案如下:
本发明的宽组合花型聚光组件,包括背板、EVA胶膜、硅片和玻璃基板(即为具有传统结构光伏组件),在玻璃基板之上设有光线收集器,光线收集器上方设有玻璃盖板。
所述的光线收集器由聚光器和支架组成,聚光器的两端架设并固定在支架上,聚光器包括聚光器本体,在聚光器本体上设有至少三个聚光部,所述聚光部的顶面为平面,聚光部之间设有阶梯槽。
所述支架上设置有三角形凸起,三角形凸起通过与玻璃盖板下面花型配合定位,聚光器通过胶粘接与玻璃基板定位。
所述的玻璃盖板宽采用组合花型聚光光伏玻璃,顶面为平面,底面由若干组聚光单元组成,每个聚光单元由若干个柱面和中心柱面组成,中心柱面上设有凹槽,中心柱面中心线为聚光单元中心线,柱面相对于聚光单元中心线对称。中心柱面上的凹槽底部为弧面,每个聚光单元由六个柱面和中心柱面组成,柱面相对于聚光单元中心线对称。
本发明中宽组合花型聚光光伏玻璃可采用本公司专利产品(专利号:ZL201220143908.4),玻璃一面由若干组聚光单元组成,一个聚光单元由若干条圆柱面或锯齿结构组成,实际生产可根据需要调整聚光单元的宽度、花型高度,可以调整聚光玻璃的聚光倍数,生产出不同规格的聚光光伏玻璃(玻璃长、宽、厚度等),另一面为平面;
本发明中的光线收集器可由聚光器和支架组成,可制成整体结构或分体结构。聚光器可由透明材料制成,如:聚甲基丙烯酸甲酯(亚克力)、聚烯烃材料、玻璃等,材料不限于上述;本发明中封装盖板可采用2mm~6mm厚玻璃,玻璃可选用压花玻璃或无压花玻璃。
本发明中背板可用TPT背板,也可采用玻璃。
本发明的宽组合花型聚光组件可封装于铝边框内,铝边框和聚光组件之间加注密封胶;铝边框之间通过螺钉联接。
本发明中光线收集器与玻璃基板可通过胶粘接实现定位,光线收集器与宽组合花型聚光光伏玻璃通过三角形凸起配合定位。
本发明通过在传统组件结构上面增加具有宽组合聚光花型玻璃和光线收集器,先通过具有宽组合花型玻璃一次收集阳光,再利用光线收集器将光线进行二次聚集后均匀落在下面对应设置的硅片上,可将光线聚集成若干个光束带,而只在光束带上设置相应数量的硅片,大大降低了硅片的使用量,提高了单位面积阳光利用率,降低成本。
附图说明
图1是本发明的光伏组件的外观结构示意图。
图2是图1中B-B向剖视图。
图3是图2中A部分的局部放大示意图。
图4是本发明中的聚光器的俯视图。
图5是图3中C-C向剖视图。
图6是图本发明中的聚光器支架的结构示意图。
具体实施方式
本发明的宽组合花型聚光组件,包括背板9、EVA胶膜11、硅片10和玻璃基板8(上述组合即为具有传统结构光伏组件),在玻璃基板之上设有光线收集器,光线收集器上方设有玻璃盖板4。
所述的光线收集器由聚光器6和支架7组成,聚光器6的两端架设并固定在支架7上,聚光器包括聚光器本体,在聚光器本体上设有至少三个聚光部,所述聚光部的顶面为平面,聚光部之间设有阶梯槽。本发明中的光线收集器最好分组设置,每组光线收集器由左右对称的两个光线收集器组成。
所述支架上设置有三角形凸起,三角形凸起通过与玻璃盖板下面花型配合定位,聚光器通过胶粘接与玻璃基板定位。
所述的玻璃盖板宽采用组合花型聚光光伏玻璃,顶面为平面,底面由若干组聚光单元组成,每个聚光单元由若干个柱面和中心柱面组成,中心柱面上设有凹槽,中心柱面中心线为聚光单元中心线,柱面相对于聚光单元中心线对称。中心柱面上的凹槽底部为弧面,每个聚光单元由六个柱面和中心柱面组成,柱面相对于聚光单元中心线对称。
本发明中宽组合花型聚光光伏玻璃可采用本公司专利产品(专利号:ZL201220143908.4),玻璃一面由若干组聚光单元组成,一个聚光单元由若干条圆柱面或锯齿结构组成,实际生产可根据需要调整聚光单元的宽度、花型高度,可以调整聚光玻璃的聚光倍数,生产出不同规格的聚光光伏玻璃(玻璃长、宽、厚度等),另一面为平面;
本发明中的光线收集器可由聚光器和支架组成,可制成整体结构或分体结构。聚光器可由透明材料制成,如:聚甲基丙烯酸甲酯(亚克力)、聚烯烃材料、玻璃等,材料不限于上述;本发明中封装盖板可采用2mm~6mm厚玻璃,玻璃可选用压花玻璃或无压花玻璃。
本发明中背板可用TPT背板,也可采用玻璃。
本发明的宽组合花型聚光组件可封装于铝边框1内,铝边框和聚光组件之间加注密封胶5;铝边框之间通过螺钉联接。
本发明中光线收集器与玻璃基板可通过胶粘接实现定位,光线收集器与宽组合花型聚光光伏玻璃通过三角形凸起配合定位。
本发明的新型聚光光伏组件,最上面是宽组合花型聚光光伏玻璃4,该产品已由本公司申报专利并获授权,专利号ZL201220143908.4,玻璃一面由若干组聚光单元组成,一个聚光单元由若干条圆柱面或锯齿结构组成,另一面为平面,在本发明使用时平面在上面,花型在下面(即接近硅片);宽组合花型聚光光伏玻璃4下面是光线收集器,光线收集器由聚光器6和支架7组成,光线收集器下面是具有传统结构光伏组件,具有传统结构光伏组件由玻璃8、硅片10、背板9、EVA胶膜11组成,光线收集器支架7上设置有三角形凸起,三角形凸起通过与宽组合花型聚光光伏玻璃4下面花型配合定位,聚光器6通过胶12粘接与具有传统结构光伏组件上玻璃8定位,上述结构可使宽组合花型聚光光伏玻璃4、聚光器6、硅片10纵向中心平面一致,即可保证太阳光经过宽组合花型聚光光伏玻璃4的聚光单元一次聚集后光线完整落在聚光器6上,光线经过聚光器6二次聚集后均匀、准确落在硅片10上,具有传统结构光伏组件中硅片10尺寸可根据聚光组件倍数按比例进行调整。铝边框3和1横截面上下各设置凹槽一个,宽组合花型聚光光伏玻璃4与上面凹槽配合定位,配合部位填充弹性材料及密封胶;具有传统结构光伏组件与下面凹槽配合定位,配合部位填充弹性材料及密封胶。
其中光线收集器见图4-5,图4-5是一套完整的光线收集器,由左右对称的两个光线收集器组成,也可做成整体结构。光线收集器由聚光器6和支架7组成,聚光器可由透明材料制成,如:聚甲基丙烯酸甲酯(亚克力)、聚烯烃材料、玻璃等。封装时光线收集器在宽组合花型聚光光伏玻璃4每个聚光单元正下方,宽度可随聚光单元宽度变化而变化,高度也可根据调整,可收集宽组合花型聚光光伏玻璃4每个聚光单元上的太阳光。
本发明的聚光光伏组件,其中铝边框外侧(和大气连接)上开有若干小孔,里侧(接近硅片)开一个长孔,铝边框和聚光组件由通过密封胶5形成一个密闭空间时,通过上述结构起到内气压平衡、散热等作用,铝边框上可加工若干个圆孔,可用螺钉将四个铝边框连接起来,同时将聚光光伏组件封装起来。
Claims (4)
1.一种宽组合花型聚光组件,包括背板、EVA胶膜、硅片和玻璃基板,其特征在于:在玻璃基板之上设有光线收集器,光线收集器上方设有玻璃盖板;
所述的光线收集器由聚光器和支架组成,聚光器的两端架设并固定在支架上,聚光器包括聚光器本体,在聚光器本体上设有至少三个聚光部,所述聚光部的顶面为平面,聚光部之间设有阶梯槽。
2.根据权利要求1所述的宽组合花型聚光组件,其特征在于:所述支架上设置有三角形凸起,三角形凸起通过与玻璃盖板下面花型配合定位,聚光器通过胶粘接与玻璃基板定位。
3.根据权利要求1所述的宽组合花型聚光组件,其特征在于:所述的玻璃盖板采用组合花型聚光光伏玻璃,顶面为为平面,底面由若干组聚光单元组成,每个聚光单元由若干个柱面和中心柱面组成,中心柱面上设有凹槽,中心柱面中心线为聚光单元中心线,柱面相对于聚光单元中心线对称。
4.根据权利要求3所述的宽组合花型聚光组件,其特征在于:中心柱面上的凹槽底部为弧面,每个聚光单元由六个柱面和中心柱面组成,柱面相对于聚光单元中心线对称。
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