CN106229370B - 太阳能电池板及其制造方法 - Google Patents

太阳能电池板及其制造方法 Download PDF

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CN106229370B
CN106229370B CN201610783754.8A CN201610783754A CN106229370B CN 106229370 B CN106229370 B CN 106229370B CN 201610783754 A CN201610783754 A CN 201610783754A CN 106229370 B CN106229370 B CN 106229370B
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李志任
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Quanzhou Yuanbiao Electronic Technology Co ltd
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Abstract

本发明提供低成本的太阳能电池板及其制造方法;太阳能电池板,包括基板,基板的正面设有焊盘组和太阳能电池片,基板在正极焊盘和负极焊盘之间设有绝缘胶,太阳能电池片与基板之间设有固定胶,太阳能电池片的正极对着正极焊盘,正极焊盘与太阳能电池片正极之间设有正极导电胶,太阳能电池片的负极与负极焊盘之间设有负极导电胶;基板上设有两个铆钉,铆钉的两端分别凸出基板的正面和背面;本发明的太阳能电池板的基板上设置有铆钉,铆钉可将基板正面的电路导入到基板背面达到双层PCB板的效果,基板成本低,而且铆钉牢固不易脱落。

Description

太阳能电池板及其制造方法
技术领域
本发明涉及太阳能电池板领域,尤其是涉及的是太阳能电池板及其制造方法。
背景技术
目前,常规的太阳能电池片的正负极分别设置在其一端的上下两面,安装到PCB板上时正负极容易被焊到一起,一般采用手工焊接的方式将太阳能电池片的正负极分别引出导线,然后再将导线焊接在PCB板上,效率很低。而且太阳能电池片一般固定在PCB板的正面,而PCB板的电极设置在PCB板的背面,需要使用具有连通PCB板正面和背面的双层PCB板来生产太阳能电池板,成本很高。
发明内容
本发明的目的在于克服上述不足,提供低成本的太阳能电池板及其制造方法。
为实现上述目的,本发明的技术解决方案是:太阳能电池板,包括基板,基板的正面设有若干组焊盘组和与焊盘组一一对应的太阳能电池片,每组焊盘组均包括一正极焊盘和一负极焊盘,基板在正极焊盘和负极焊盘之间设有绝缘胶,太阳能电池片与基板之间设有固定胶,太阳能电池片一端的上下侧分别设有负极和正极,太阳能电池片的正极对着正极焊盘,正极焊盘与太阳能电池片正极之间设有正极导电胶,太阳能电池片的负极与负极焊盘之间设有负极导电胶;基板上设有两个铆钉,铆钉的两端分别凸出基板的正面和背面,基板上的所有正极焊盘均连接一铆钉,基板上的所有负极焊盘均连接另一铆钉;基板的正面上方还设有封装层。
太阳能电池板的制造方法,包括以下步骤:
(1)准备PCB板,PCB板包括复数块基板;
(2)打铆钉,在PCB板打铆钉,每块基板上打两个铆钉,铆钉的两端分别凸出PCB板的正面和背面;
(3)铆钉上锡,在PCB板背面的铆钉上刷锡膏并且回流焊;
(4)刷绝缘胶和固定胶,在PCB板的正极焊盘和负极焊盘之间刷绝缘胶,在PCB板正面刷上用于固定太阳能电池片的固定胶;
(5)点正极导电胶,分别在PCB板的每个正极焊盘上点正极导电胶;
(6)粘片,将太阳能电池片的正极对着正极焊盘贴在PCB板上;
(7)固化,将PCB板放入烘炉进行烘烤,将固定胶、绝缘胶和正极导电胶烘烤固化;
(8)点负极导电胶,在PCB板的每个负极焊盘和对应的太阳能电池片的负极之间点上连接两者的负极导电胶;
(9)固化,将PCB板放入烘炉进行烘烤,将负极导电胶烘烤固化;
(10)封装,对PCB板的正面进行封胶或层压;
(11)分割,将PCB板分割成复数块太阳能电池板。
优选的,步骤(2)和步骤(3)之间还包括步骤(2.1): 铆钉压平,将PCB板上的铆钉压平,铆钉凸出PCB板的高度小于0.2mm。
优选的,步骤(9)和步骤(10)之间还包括步骤(9.1):测试,对PCB板上的太阳能电池板进行测试区别良品和不良品,留下良品。
优选的,绝缘胶和固定胶为同一材料。
优选的,绝缘胶和固定胶为不同材料。
优选的,步骤(7)烘炉的温度在180℃以下;步骤(9)烘炉的温度在150℃以下。
通过采用上述的技术方案,本发明的有益效果是:本发明的太阳能电池板的基板上设置有贯穿基板正反面的铆钉,铆钉可将基板正面的电路导入到基板背面达到双层PCB板的效果,基板成本低,而且铆钉牢固不易脱落;太阳能电池片的正负极分别通过正极导线胶和负极导电胶与PCB板连接,方便使用自动点胶机进行生产,效率高;正极焊盘与负极焊盘之间设有绝缘胶,避免负极导电胶接触太阳能电池片的正极。
附图说明
图1为本发明的结构示意图;
图2为本发明的俯视结构示意图;
图3为本发明PCB板的结构示意图。
主要附图标记说明:
基板1;正极焊盘11;负极焊盘12;太阳能电池片2;绝缘胶3;正极导电胶4;固定胶5;负极导电胶6;铆钉7;封装层8。
具体实施方式
以下结合附图和具体实施例来进一步说明本发明。
实施例1:
如图1-图2所示,本发明太阳能电池板,包括基板1,基板1的正面设有若干组焊盘组和与焊盘组一一对应的太阳能电池片2,每组焊盘组均包括一正极焊盘11和一负极焊盘12,基板1在正极焊盘11和负极焊盘12之间设有绝缘胶3,太阳能电池片2与基板1之间设有固定胶5,固定胶5用于将太阳能电池片2固定在基板1上,太阳能电池片2一端的上下侧分别设有负极22和正极21,太阳能电池片2的正极21对着正极焊盘11,正极焊盘11与太阳能电池片2的正极21之间设有用于将两者导通的正极导电胶4,太阳能电池片2的负极22与负极焊盘12之间设有用于将两者导通的负极导电胶6,正极导电胶4可以为锡膏;基板1上设有两个铆钉7,铆钉7的两端分别凸出基板1的正面和背面,基板1上的所有正极焊盘11均连接一铆钉7,基板上的所有负极焊盘12均连接另一铆钉7;基板的正面上方还设有封装层。
如图1-3所示,太阳能电池板的制造方法,包括以下步骤:
(1)准备PCB板,PCB板包括复数块基板1;
(2)打铆钉,在PCB板打铆钉,PCB板上的每块基板上打两个铆钉7,铆钉7的两端分别凸出PCB板的正面和背面;
(2.1)铆钉压平,将PCB板上的铆钉压平,铆钉凸出PCB板的高度小于0.2mm;避免凸出的铆钉7影响固定胶5或绝缘胶3的印刷;
(3)铆钉上锡,在PCB板背面的铆钉7上刷锡膏并且回流焊;铆钉上锡可保护铆钉,避免铆钉7经过烘炉烘烤后表面氧化很难焊接,增加铆钉焊接的可靠性;
(4)刷绝缘胶3和固定胶5,在PCB板的正极焊盘和负极焊盘之间刷绝缘胶,在PCB板正面刷上用于固定太阳能电池片的固定胶,绝缘胶3和固定胶5为同一材料,方便一起涂刷;
(5)点正极导电胶4,用点胶机或人工分别在PCB板的每个正极焊盘11上点正极导电胶4;
(6)粘片,将太阳能电池片2的正极21对着正极焊盘11将太阳电池片2贴在PCB板上;
(7)固化,将PCB板放入烘炉进行烘烤,将固定胶、绝缘胶和正极导电胶烘烤固化;
(8)点负极导电胶,在PCB板的每个负极焊盘12和对应的太阳能电池片的负极22之间点上连接两者的负极导电胶6;
(9)固化,将PCB板放入烘炉进行烘烤,将负极导电胶6烘烤固化;
(10)封装,对PCB板的正面进行封胶或层压;
(11)分割,将PCB板按基板的形状分割成复数块太阳能电池板。
实施例2:
如图1-图2所示,本发明太阳能电池板,包括基板1,基板1的正面设有四组焊盘组和与焊盘组一一对应的四个太阳能电池片2,每组焊盘组均包括一正极焊盘11和一负极焊盘12,基板1在正极焊盘11和负极焊盘12之间设有绝缘胶3,太阳能电池片2与基板1之间设有固定胶5,固定胶5用于将太阳能电池片2固定在基板1上,太阳能电池片2一端的上下侧分别设有负极22和正极21,太阳能电池片2的正极21对着正极焊盘11,正极焊盘11与太阳能电池片2的正极21之间设有用于将两者导通的正极导电胶4,太阳能电池片2的负极22与负极焊盘12之间设有用于将两者导通的负极导电胶6,正极导电胶4可以为锡膏;基板1上设有两个铆钉7,铆钉7的两端分别凸出基板1的正面和背面,基板1上的所有正极焊盘11均通过基板1上的电路连接一铆钉7,基板1上的所有负极焊盘12均通过基板1上的电路连接另一铆钉7;基板的正面上方还设有封装层。
如图1-3所示,太阳能电池板的制造方法,包括以下步骤:
(1)准备PCB板,PCB板包括二十块基板1;基板1的正面设有焊盘组,每组焊盘组均包括一正极焊盘11和一负极焊盘12,焊盘组的正极焊盘均连接在一起,焊盘组的负极焊盘均连接在一起;
(2)打铆钉,在PCB板打铆钉,PCB板上的每块基板上打两个铆钉7,一颗铆钉铆在连接正极焊盘的位置,另一颗铆钉铆在连接负极焊盘的位置,铆钉7的两端分别凸出PCB板的正面和背面;
(2.1)铆钉压平,将PCB板上的铆钉压平,铆钉凸出PCB板的高度小于0.2mm;避免凸出的铆钉7影响固定胶5或绝缘胶3的印刷;
(3)铆钉上锡,在PCB板背面的铆钉7上刷锡膏并且回流焊;铆钉上锡可保护铆钉,避免铆钉7经过烘炉烘烤后表面氧化很难焊接;
(4)刷绝缘胶3和固定胶5,在PCB板的正极焊盘和负极焊盘之间刷绝缘胶,在PCB板正面刷上用于固定太阳能电池片的固定胶,绝缘胶3和固定胶5为不同材料,分两次涂刷;
(5)点正极导电胶4,用点胶机或人工分别在PCB板的每个正极焊盘11上点正极导电胶4;
(6)粘片,将太阳能电池片2的正极21对着正极焊盘11将太阳电池片2贴在PCB板上;
(7)固化,将PCB板放入烘炉进行烘烤,将固定胶、绝缘胶和正极导电胶烘烤固化;烘炉的温度在180℃以下;
(8)点负极导电胶,在PCB板的每个负极焊盘12和对应的太阳能电池片的负极22之间点上连接两者的负极导电胶6;
(9)固化,将PCB板放入烘炉进行烘烤,将负极导电胶6烘烤固化;烘炉的温度在150℃以下;
(9.1)测试,对PCB板上的太阳能电池板进行测试区别良品和不良品,留下良品;
(10)封装,对PCB板的正面进行封胶或层压;
(11)分割,将PCB板按基板的形状分割成复数块太阳能电池板。
以上所述的,仅为本发明的较佳实施例而已,不能限定本实用实施的范围,凡是依本发明申请专利范围所作的均等变化与装饰,皆应仍属于本发明涵盖的范围内。

Claims (7)

1.太阳能电池板,包括基板,其特征在于:基板的正面设有若干组焊盘组和与焊盘组一一对应的太阳能电池片,每组焊盘组均包括一正极焊盘和一负极焊盘,基板在正极焊盘和负极焊盘之间设有绝缘胶,太阳能电池片与基板之间设有固定胶,太阳能电池片一端的上下侧分别设有负极和正极,太阳能电池片的正极对着正极焊盘,正极焊盘与太阳能电池片正极之间设有正极导电胶,太阳能电池片的负极与负极焊盘之间设有负极导电胶;基板上设有两个铆钉,铆钉的两端分别凸出基板的正面和背面,基板上的所有正极焊盘均连接一铆钉,基板上的所有负极焊盘均连接另一铆钉;基板的正面上方还设有封装层。
2.一种根据权利要求1所述的太阳能电池板的制造方法,包括以下步骤:
(1)准备PCB板,PCB板包括复数块基板;
(2)打铆钉,在PCB板打铆钉,每块基板上打两个铆钉,铆钉的两端分别凸出PCB板的正面和背面;
(3)铆钉上锡,在PCB板背面的铆钉上刷锡膏并且回流焊;
(4)刷绝缘胶和固定胶,在PCB板的正极焊盘和负极焊盘之间刷绝缘胶,在PCB板正面刷上用于固定太阳能电池片的固定胶;
(5)点正极导电胶,分别在PCB板的每个正极焊盘上点正极导电胶;
(6)粘片,将太阳能电池片的正极对着正极焊盘贴在PCB板上;
(7)固化,将PCB板放入烘炉进行烘烤,将固定胶、绝缘胶和正极导电胶烘烤固化;
(8)点负极导电胶,在PCB板的每个负极焊盘和对应的太阳能电池片的负极之间点上连接两者的负极导电胶;
(9)固化,将PCB板放入烘炉进行烘烤,将负极导电胶烘烤固化;
(10)封装,对PCB板的正面进行封胶或层压;
(11)分割,将PCB板分割成复数块太阳能电池板。
3.根据权利要求2所述的太阳能电池板的制造方法,其特征在于:步骤(2)和步骤(3)之间还包括步骤(2.1): 铆钉压平,将PCB板上的铆钉压平,铆钉凸出PCB板的高度小于0.2mm。
4.根据权利要求2所述的太阳能电池板的制造方法,其特征在于:步骤(9)和步骤(10)之间还包括步骤(9.1):测试,对PCB板上的太阳能电池板进行测试区别良品和不良品,留下良品。
5.根据权利要求2所述的太阳能电池板的制造方法,其特征在于:绝缘胶和固定胶为同一材料。
6.根据权利要求2所述的太阳能电池板的制造方法,其特征在于:绝缘胶和固定胶为不同材料。
7.根据权利要求2所述的太阳能电池板的制造方法,其特征在于:步骤(7)烘炉的温度在180℃以下;步骤(9)烘炉的温度在150℃以下。
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