CN112563355A - 具有光伏保护二极管超薄模片的太阳能组件 - Google Patents

具有光伏保护二极管超薄模片的太阳能组件 Download PDF

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CN112563355A
CN112563355A CN202011383757.5A CN202011383757A CN112563355A CN 112563355 A CN112563355 A CN 112563355A CN 202011383757 A CN202011383757 A CN 202011383757A CN 112563355 A CN112563355 A CN 112563355A
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photovoltaic protection
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ultrathin
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周民
陈新初
许建方
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Abstract

一种具有光伏保护二极管超薄模片的太阳能组件，包括基板、多个太阳能电池片和光伏保护二极管超薄模片，太阳能电池片和光伏保护二极管超薄模片呈列排布构成多个并联的电路单元，电路单元包括一个光伏保护二极管超薄模片和多个太阳能电池片，光伏保护二极管超薄模片包括散热铜基板、一端焊接在散热铜基板上的二极管芯片、形成在散热铜基板上的环氧树脂层、形成在环氧树脂层上的铜箔层，散热铜基板、环氧树脂层、铜箔层和二极管芯片塑封封装形成薄片结构，环氧树脂层具有开孔，二极管芯片的另一端从开孔露出，连接片将二极管芯片的另一端与铜箔层连接在一起，环氧树脂层上形成第一连接部，第一连接部与散热铜基板相连，铜箔层上形成第二连接部。

Description

具有光伏保护二极管超薄模片的太阳能组件
技术领域
本发明涉及一种太阳能组件。
背景技术
光伏电池是将太阳光辐射能量直接转换成电能的器件，光伏组件正是由多个光伏电池连接和封装而成的产品，是光伏发电系统中电池方阵的基本单元。光伏组件接线盒是太阳能组件做成系统的关键连接装置，接线盒的作用是防止太阳能组件局部被遮挡时产生热斑效果，光伏组件接线盒内部的核心部件是光伏保护二极管。现有的光伏组件接线盒均为外挂式的构造，在使用时安装至光伏组件外部，需要单独制造单独使用。
发明内容
为克服上述缺点，本发明目的在于提供一种全新的具有光伏保护二极管超薄模片。
为了达到以上目的，本发明提供了一种具有光伏保护二极管超薄模片的太阳能组件，包括基板、设置在所述的基板上的若干个太阳能电池片和光伏保护二极管超薄模片，所述的太阳能电池片和光伏保护二极管超薄模片呈列排布构成多个并联的电路单元，每个电路单元包括一个光伏保护二极管超薄模片和多个太阳能电池片，每个光伏保护二极管超薄模片包括散热铜基板、一端焊接在所述的散热铜基板上的二极管芯片、形成在所述的散热铜基板上的环氧树脂层、形成在所述的环氧树脂层上的铜箔层，所述的散热铜基板、环氧树脂层、铜箔层和二极管芯片塑封封装在一起形成薄片结构，所述的环氧树脂层具有开孔，所述的二极管芯片的另一端从所述的开孔露出，连接片将所述的二极管芯片的另一端与铜箔层连接在一起，所述的环氧树脂层上形成第一连接部，所述的第一连接部与散热铜基板相连，所述的铜箔层上形成第二连接部。
优选的，所述的第一连接部、第二连接部分别位于两端。
优选的，所述的散热铜基板的尺寸与太阳能电池片的尺寸相同。
优选的，所述的铜箔层上方还设置有太阳能电池片。
优选的，整体厚度范围为0.3mm至1mm。
优选的，所述的二极管芯片为肖特基型。
优选的，所述的光伏保护二极管超薄模片可拆卸的安装在所述的基板上。
优选的，包括正极连接器和负极连接器，所述的正极连接器和负极连接器分别连接于对应的光伏保护二极管超薄模片。
本产品主要功能是连接并保护太阳能电池组件，同时将电池组件产生的电流传导出来供用户使用，该产品相比较与其他同类产品具有如下几方面的优势与特点：产品外形与太阳能组件融为一体，无需单独制造安装，安全、可靠、卓越的长期工作能力；领先的连接方式和独特的防水密封设计，达到了IP68防护等级；选择户外工程塑料，具有良好的绝缘性能和阻燃能力，具有抗老化和耐紫外线的能力，符合于室外恶劣环境条件下的使用要求；内部使用铜片连接件连接，增加了二极管的散热面积，良好的散热模式可有效降低内部温度。
附图说明
附图1为根据本发明具有光伏保护二极管超薄模片的太阳能组件的示意图；
附图2为根据本发明具有光伏保护二极管超薄模片的太阳能组件的工作原理示意图；
附图3为根据本发明光伏保护二极管超薄模片的结构示意图；
附图4为根据本发明光伏保护二极管超薄模片的立体图。
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技术人员理解，从而对本发明的保护范围做出更为清楚明确的界定。
参见附图1和附图2，附图1为根据本发明具有光伏保护二极管超薄模片的太阳能组件的示意图，附图2为根据本发明具有光伏保护二极管超薄模片的太阳能组件的工作原理示意图。本实施例中的具有光伏保护二极管超薄模片的太阳能组件，包括基板1、设置在基板1上的若干个太阳能电池片2和光伏保护二极管超薄模片3、以及正极连接器4和负极连接器5，将光伏保护二极管超薄模片3层压到具有光伏保护二极管超薄模片的太阳能组件中（玻璃和玻璃中间或者玻璃和背板中间），太阳能电池片2和光伏保护二极管超薄模片3分别呈列排布构成多个并联的电路单元。
在本实施例中一个电路单元包括相邻的两列的太阳能电池片2和一个光伏保护二极管超薄模片3，左侧的光伏保护二极管超薄模片3的上级连接至负极连接器5，右侧的光伏保护二极管超薄模片3的上级连接至正极连接器4。本产品的优势是节省了原有输出汇流条的硬件成本（原有需要6根汇流条输出到3个接线盒或者4根汇流条输出到1个接线盒），一块具有光伏保护二极管超薄模片的太阳能组件只需要左右各一根汇流条连接到各自的盒子里，又节省了外部接线盒的硬件成本(原来盒子里面包含了二极管和两个汇流条连接点，盒子整体还更大), 盒子更加紧凑在外部按照的盒子里面省去了原有的保护二极管，盒子里面只有一个小铜片用于焊接输出汇流条和线缆的连接，没有任何发热源了。
附图3为根据本发明光伏保护二极管超薄模片的结构示意图，附图4为根据本发明光伏保护二极管超薄模片的立体图。本实施例中的光伏保护二极管超薄模片3，包括散热铜基板6、一端焊接在散热铜基板6上的二极管芯片8、形成在散热铜基板6上的环氧树脂层9、形成在环氧树脂层9上的铜箔层7，散热铜基板6、环氧树脂层9、铜箔层7和二极管芯片8塑封封装在一起形成薄片结构，整体厚度范围为0.3mm至1mm。
环氧树脂层9具有开孔11，二极管芯片8的另一端从开孔11露出，连接片10将二极管芯片8的另一端与铜箔层7连接在一起，环氧树脂层9上形成第一连接部12，第一连接部12与散热铜基板6相连，铜箔层7上形成第二连接部13，第一连接部、第二连接部分别位于两端。散热铜基板8的尺寸与太阳能电池片的尺寸相同，二极管芯片为肖特基型。
在本发明的另一个实施例中，铜箔层7上方还设置有太阳能电池片2，基板1上可以对应设置散热机构，从而将二极管的热量从基板1的反面释放。将光伏保护二极管超薄模片3装入到电池中，组件厂可以将此块放入到组件中,使得二极管生效，这种结构无需外挂接线盒，且不会改变电池组件原有的电器属性。
以上实施方式只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人了解本发明的内容并加以实施，并不能以此限制本发明的保护范围，凡根据本发明精神实质所做的等效变化或修饰，都应涵盖在本发明的保护范围内。

Claims (8)

1.一种具有光伏保护二极管超薄模片的太阳能组件，其特征在于：包括基板、设置在所述的基板上的若干个太阳能电池片和光伏保护二极管超薄模片，所述的太阳能电池片和光伏保护二极管超薄模片呈列排布构成多个并联的电路单元，每个电路单元包括一个光伏保护二极管超薄模片和多个太阳能电池片，每个光伏保护二极管超薄模片包括散热铜基板、一端焊接在所述的散热铜基板上的二极管芯片、形成在所述的散热铜基板上的环氧树脂层、形成在所述的环氧树脂层上的铜箔层，所述的散热铜基板、环氧树脂层、铜箔层和二极管芯片塑封封装在一起形成薄片结构，所述的环氧树脂层具有开孔，所述的二极管芯片的另一端从所述的开孔露出，连接片将所述的二极管芯片的另一端与铜箔层连接在一起，所述的环氧树脂层上形成第一连接部，所述的第一连接部与散热铜基板相连，所述的铜箔层上形成第二连接部。
2.根据权利要求1所述的具有光伏保护二极管超薄模片的太阳能组件，其特征在于：所述的第一连接部、第二连接部分别位于两端。
3.根据权利要求1所述的具有光伏保护二极管超薄模片的太阳能组件，其特征在于：所述的散热铜基板的尺寸与太阳能电池片的尺寸相同。
4.根据权利要求1所述的具有光伏保护二极管超薄模片的太阳能组件，其特征在于：所述的铜箔层上方还设置有太阳能电池片。
5.根据权利要求1所述的具有光伏保护二极管超薄模片的太阳能组件，其特征在于：整体厚度范围为0.3mm至1mm。
6.根据权利要求1所述的具有光伏保护二极管超薄模片的太阳能组件，其特征在于：所述的二极管芯片为肖特基型。
7.根据权利要求1所述的具有光伏保护二极管超薄模片的太阳能组件，其特征在于：所述的光伏保护二极管超薄模片可拆卸的安装在所述的基板上。
8.根据权利要求1所述的具有光伏保护二极管超薄模片的太阳能组件，其特征在于：包括正极连接器和负极连接器，所述的正极连接器和负极连接器分别连接于对应的光伏保护二极管超薄模片。
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CN113629160A (zh) * 2021-07-01 2021-11-09 中国电子科技集团公司第十八研究所 一种超薄柔性太阳电池组件用旁路二极管模块

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113629160A (zh) * 2021-07-01 2021-11-09 中国电子科技集团公司第十八研究所 一种超薄柔性太阳电池组件用旁路二极管模块

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