CN103460401A - 太阳能电池接收装置 - Google Patents

太阳能电池接收装置 Download PDF

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CN103460401A
CN103460401A CN2012800170586A CN201280017058A CN103460401A CN 103460401 A CN103460401 A CN 103460401A CN 2012800170586 A CN2012800170586 A CN 2012800170586A CN 201280017058 A CN201280017058 A CN 201280017058A CN 103460401 A CN103460401 A CN 103460401A
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R·席林
V·科伦科
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Azur Space Solar Power GmbH
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Abstract

太阳能电池接收装置,具有:一半导体本体,所述半导体本体具有前侧面、背侧面、多个侧向面和两个电接口,所述前侧面带有一构造在所述前侧面上的太阳能电池;一用于接收所述半导体本体的承载件,其中,所述半导体本体的背侧面固定在所述承载件上;一光学元件,所述光学元件用于将光线集束到所述半导体本体的所述前侧面上,所述光学元件具有一下侧面,所述下侧面部分地面朝所述半导体本体的上侧面,其中,所述光学元件在所述下侧面上具有带第一表面的一第一成形部,所述第一表面支承在所述半导体本体的所述前侧面上并且所述光学元件具有一第二表面,所述第二表面支承在所述承载件上并且所述成形部构造为空腔或构造为缺口。

Description

太阳能电池接收装置
技术领域
本发明涉及一种根据权利要求1前序部分所述的太阳能电池接收装置。
背景技术
由EP2073279A1公知了一种太阳能电池接收装置,其中,构造为太阳能电池的半导体本体布置在一承载件上。为了保护所述半导体本体和尤其是其侧向面不受导致电参数的降低的环境影响,绕所述半导体本体在三个侧面上布置有框架并且以透光盖子封闭。接下来,保留的空隙以透光浇注材料填充并且安置一光学元件。
由EP1953825A2公知了一种壳体,其中,构造为LED的半导体本体布置在一承载件上。接下来,为了保护所述半导体本体,将密封膜和由多个部分组成的、也围住一光学元件的壳体在一多级过程中布置在所述承载件上。
由US2011017295A1公开了具有一光学元件的太阳能电池。所述光学元件将入射的光线集束到所述太阳能电池上并且同时是用于所述太阳能电池的浇注材料。所述浇注材料几乎完全地包围所述太阳能电池的半导体层。此外,由EP2278631A1公开了具有一光学元件的太阳能电池的另一结构。由US2007102722A1、EP1953835A1、EP2073279A1和EP2194584A1公开了多个具有光学元件和LED的壳体实施方案。
发明内容
在该背景下,本发明的任务是:提出一种装置,其改进了现有技术。
该任务通过具有权利要求1的特征的太阳能电池接收装置来解决。本发明的有利设计方案是从属权利要求的主题。
根据本发明的主题公开一种太阳能电池接收装置,具有:一半导体本体,所述半导体本体具有前侧面、背侧面、多个侧向面和两个电接口,所述前侧面带有一构造在所述前侧面上的太阳能电池;一用于接收所述半导体本体的承载件,其中,所述半导体本体的背侧面固定在所述承载件上;一光学元件,所述光学元件用于将光线集束到所述半导体本体的所述前侧面上,所述光学元件具有一下侧面,所述下侧面部分地面朝所述半导体本体的上侧面,其中,所述光学元件在所述下侧面上具有带第一表面的一第一成形部,所述第一表面支承在所述半导体本体的所述前侧面上并且所述光学元件具有一第二表面,所述第二表面支承在所述承载件上并且所述成形部构造为空腔或构造为缺口。
根据本发明的装置的优点是:优选构造为集中器的所述光学元件具有适配所述半导体本体的形状和大小的成形部并且通过将所述光学元件下降到所述承载件上可靠地保护构造为太阳能电池的半导体本体和尤其所述半导体本体的侧边缘不受环境影响。通过所述光学元件同时也是壳体来提供一成本低廉的如下的解决方案,即,建立极其耐用的太阳能电池接收装置。用于制造太阳能电池模块的制作步骤的数目被减少。
申请人的试验表明,光学元件的不同形状可以构造为壳体,它们全面地围住所述半导体本体的伸出所述承载件的部分。在此情况下优选的是,所述光学元件的对应的形状一体式地构造。光学元件的优选的形状尤其是透镜形或漏斗形或截棱锥形的构造。光学元件的不同形状的共同特征是:每个形状在所述下侧面上具有一环绕的边缘面,该边缘面基本上形状锁合地以所述承载件的表面封闭。优选的是:所述光学元件的第一成形部的空腔或缺口完全环绕地绕所述半导体本体的侧向面构造。在具有在所述光学元件的下侧面上的缺口的实施方案中,在所述半导体本体的前侧面上,仅在外的边缘区域以所述光学元件的缺口的一部分遮盖。优选地,在所述半导体本体的由所述缺口覆盖的在外的边缘区域中,优选构造为透光粘接材料层的密封层能够布置在所述光学元件和所述半导体本体的前侧面之间。
在一改进方案中,所述第一成形部与所述半导体本体的侧向面一起构造了一空隙。优选地,所述空隙以一透光的浇注材料填充。在一替换的实施方式中,在所述侧向面和所述第一成形部之间设置有一密封器件。优选地,所述浇注材料可以实施为透光的密封器件。
在另一实施方式中优选的是:在所述第二表面和所述承载件之间布置有优选构造为透光层的粘接材料层。由此可以固定所述光学元件。此外,所述粘接材料层构造了所述光学元件和承载件之间的密封面,从而使得所述半导体本体气密地相对于环境被密封。在另一改进方案中,附加地或替换地在所述第一表面和所述半导体本体的前侧面之间布置有优选构造为透光浇注材料的浇注材料。
根据一改进方案,所述光学元件具有构造为空腔的第二成形部。优选的是:所述光学元件在所述第二成形部中接收一旁通二极管的由所述承载件的表面出来地构造的部分。在此情况下,所述旁通二极管与所述半导体本体间隔开。在一替换的实施方式中优选的是,所述第二成形部与所述第一成形部具有一连接部,以如下方式,即,仅构成一唯一的成形部,其接收了两个构件。由此,在安置所述光学元件之后,在所述太阳能电池的至少一个侧向面和所述旁通二极管的至少一个侧向面之间形成有一共同的空隙,其优选地以一浇注材料来填充。
在一优选的实施方式中,所述光学元件构造为次级光学元件并且进一步集中已经被集束的光束。借助于所述多级集束可以实现高于50、优选高于100并且最高优选高于300的集中系数(Konzentrationsfaktoren)。通过借助于由这里没有详细实施的、大多构造为菲涅尔透镜的一级光学系统已经获得的高的、高于50的集中系数,这样被集束的光线射到所述光学元件上。
试验表明:所述被集束的光线的能量对于有机构造的透光光学元件而言太高。所述有机元件基于高温而快速地不可逆转地损坏和模糊(trübe)。根据一改进方案,所述光学元件由一无机材料制成。尤其地,所述光学元件对于紫外线透光地构造。优选地,所述光学元件由一石英玻璃化合物(Quarzglasverbindung)制成。石英玻璃不仅对于UV光线透光,而且特别地耐热和抗老化。此外,石英玻璃是非常良好地可回收的。
附图说明
本发明下面根据参考附图详细阐释。在此情况下同类的部件以相同的附图标记来描述。所示出的实施方式是大大示意性的,也就是说,间距和侧向延伸尺寸和竖直延伸尺寸不是符合比例尺的并且如果没有另外地给出也不具有彼此能推导出的几何形状上的关系。其中:
图1示出了具有一光学元件的太阳能电池接收装置的根据本发明的实施方式的示意性横截面图;
图2示出了具有一光学元件和一旁通二极管的太阳能电池接收装置的示意性横截面图;
图3示出了具有一棱锥形光学元件和一旁通二极管的太阳能电池接收装置的示意性横截面图;
图4示出了具有一漏斗形光学元件和一旁通二极管的太阳能电池接收装置的示意性横截面图。
具体实施方式
图1的视图示出了根据本发明的太阳能电池接收装置10的示意性横截面图,所述太阳能电池接收装置具有承载件20、构造为太阳能电池的半导体本体30,所述半导体本体具有前侧面32和背侧面34和多个侧向面36。所述半导体本体30的背侧面34固定在所述承载件20上。所述前侧面32之上构造有一透镜形的光学元件40,所述元件构造有一具有用于接收所述半导体本体30的空腔42的下侧面。所述光学元件40的第一表面构造在所述半导体本体30的前侧面32之上。所述光学元件40以一第二表面支承在所述承载件20上。所述空腔42大于所述半导体本体30地构造。所述光学元件40和所述半导体本体30之间的空间以优选透光的浇注材料50填充。在所述第二表面和所述承载件20之间还构造有一粘接材料层52。此外,所述半导体本体30优选在所述前侧面上具有至少两个电接口,它们没有示出。要注意的是,所述光学元件40优选一体式地实施并且除了将入射光线集束到所述半导体本体30的前侧面上的功能之外尤其结合浇注材料50和所述粘接材料层52具有密封特性,也就是说保护所述半导体本体30不受环境影响。所述光线的集束借助于所述光学元件40的透镜形构造来获得。
在图2的构造中示出了所述太阳能电池接收装置10的另一实施方式。随后仅阐释与图1的实施方式的区别。在所述承载件20上间隔开地布置有一旁通二极管60。所述旁通二极管60与所述太阳能电池互联-没有示出。所述空腔42的大小围住了所述旁通二极管60。
所述光学元件40和所述旁通二极管60之间的空间以所述浇注材料50填充。由此,所述旁通二极管60不仅通过所述光学元件40,而且由所述浇注材料50接合所述粘接材料层52保护不受环境影响。
在图3中示出了一太阳能电池接收装置的示意性横截面,其中,所述光学元件40具有截棱锥形的构造。在所述下侧面上的所述空腔42不仅围住所述太阳能电池,而且围住所述旁通二极管60。入射到所述光学元件40上的光线优选地以全反射方式被导引到所述半导体本体30的前侧面32上。
在图4中以一示意性横截面图示出了所述光学元件40的漏斗形构造。在所述漏斗的内侧面上,入射的光线以镜反射式反射被导引向所述半导体本体30的前侧面。为此,所述漏斗的内侧面可以利用一反射金属层来覆盖。在所述光学元件40的下侧面上成形有一环绕的缺口70。所述半导体本体30的前侧面32在所述漏斗开口的区域中既不由所述光学元件40也不由所述浇注材料50覆盖。与之相反,所述半导体本体30的前侧面32在边缘区域中由所述缺口70覆盖。优选地,在所述缺口70的支承在所述前侧面32上的部分和所述半导体本体30之间构造有一密封层80。所述缺口70的保留的空间以所述浇注材料50填充。

Claims (15)

1.太阳能电池接收装置(10),具有:
-一半导体本体(30),所述半导体本体具有前侧面(32)、背侧面(34)、多个侧向面(36)和两个电接口,所述前侧面带有一构造在所述前侧面上的太阳能电池;
-一用于接收所述半导体本体的承载件(20),其中,所述半导体本体(30)的背侧面(34)固定在所述承载件(20)上;
-一光学元件(40),所述光学元件用于将光线集束到所述半导体本体(30)的所述前侧面(30)上,所述光学元件具有一下侧面,所述下侧面部分地面朝所述半导体本体(30)的上侧面,
-所述光学元件(40)在所述下侧面上具有带第一表面的一第一成形部,所述第一表面支承在所述半导体本体(30)的所述前侧面上并且所述光学元件(40)具有一第二表面,所述第二表面支承在所述承载件(20)上并且所述第一成形部构造为空腔(42)或构造为缺口(70),
其特征在于,
所述承载件(20)具有一平坦的表面,并且所述光学元件(40)一体式地构造并且与所述半导体本体(30)布置在所述承载件(20)的表面上,其中,所述空腔(42)或所述缺口(70)大于所述半导体本体(30)并且所述光学元件(40)的空腔(42)和所述半导体本体(30)的侧向面(36)和所述承载件(20)的表面之间的空间以一浇注材料(50)填充。
2.根据权利要求1所述的太阳能电池接收装置(10),其特征在于,旁通二级管(60)在所述承载件(20)的所述平坦的表面上布置在所述空腔(42)中。
3.根据权利要求1或2所述的太阳能电池接收装置(10),其特征在于,所述侧向面(36)和所述第一成形部之间设置有一密封器件。
4.根据权利要求1至3之一所述的太阳能电池接收装置(10),其特征在于,在所述第二表面和所述承载件(20)之间构造有一粘接材料层(52)。
5.根据权利要求1至4之一所述的太阳能电池接收装置(10),其特征在于,在所述第一表面和所述半导体本体(30)的所述前侧面(32)之间构造有一浇注材料(50)。
6.根据权利要求1至5之一所述的太阳能电池接收装置(10),其特征在于,所述第一成形部的所述空腔(42)或所述缺口(70)完全环绕地绕所述半导体本体(30)的所述侧向面(36)构造。
7.根据权利要求1至6之一所述的太阳能电池接收装置(10),其特征在于,所述光学元件(40)具有一构造为空腔的第二成形部。
8.根据权利要求7所述的太阳能电池接收装置(10),其特征在于,所述第二成形部与所述第一成形部呈如下方式具有一连接部,即,仅构成一唯一的成形部。
9.根据权利要求1至8之一所述的太阳能电池接收装置(10),其特征在于,所述光学元件(40)透镜形地构造。
10.根据权利要求1至9之一所述的太阳能电池接收装置(10),其特征在于,所述光学元件(40)漏斗形地构造。
11.根据权利要求1至10之一所述的太阳能电池接收器(10),其特征在于,所述光学元件(40)截棱锥形地构造。
12.根据权利要求1至11之一所述的太阳能电池接收装置(10),其特征在于,所述浇注材料(50)是透光的。
13.根据前述权利要求之一所述的太阳能电池接收装置(10),其特征在于,所述光学元件(40)是次级光学元件并且进一步集中已经被集束的光束并且所述光学元件由一无机材料制成。
14.根据前述权利要求之一所述的太阳能电池接收装置(10),其特征在于,所述光学元件(40)对于紫外线是透光的。
15.根据前述权利要求之一所述的太阳能电池接收装置(10),其特征在于,所述光学元件(40)由一石英玻璃化合物制成。
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