CN115210072A - 具有连接器的层叠玻璃、其制造方法和用途 - Google Patents

具有连接器的层叠玻璃、其制造方法和用途 Download PDF

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CN115210072A
CN115210072A CN202180018882.2A CN202180018882A CN115210072A CN 115210072 A CN115210072 A CN 115210072A CN 202180018882 A CN202180018882 A CN 202180018882A CN 115210072 A CN115210072 A CN 115210072A
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M·A·张伯伦
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Pilkington Group Ltd
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Abstract

本发明涉及一种层叠玻璃(10),包括:第一玻璃片材(1)和第二玻璃片材(2)以及设置在它们之间的层间材料层片(3)、设置在层间材料层片(3)上的导电带(4)、布设在第二玻璃片材(2)边缘处的连接器(5)、在第二玻璃片材(2)的不面向层间材料层片(3)的表面(S4)上并且部分遮蔽导电带(4)的陶瓷油墨层(6)、陶瓷油墨层(6)中的间隙(7),该间隙被配置成使得导电带(4)在间隙(7)中与连接器(5)接触。本发明还涉及制造所述层叠玻璃的方法及其用途。

Description

具有连接器的层叠玻璃、其制造方法和用途
技术领域
本发明涉及具有连接器的层叠玻璃、制造这种层叠玻璃的方法及这种层叠玻璃例如在窗户中的用途。
背景技术
具有位于两个玻璃材料层片之间的电连接器的层叠玻璃是众所周知的。车辆窗户可以包括与加热电路的母线或天线的部件电接触的连接器。连接器可以位于层叠玻璃的边缘附近以连接到外部电路。可以在层叠玻璃的边缘区域处提供被称为遮蔽带的陶瓷油墨层,以遮蔽边缘处或边缘附近的部件的可视图像。
EP1466877A1(Noguchi)公开了一种风挡层叠玻璃,其包括用热塑性树脂膜相互结合的两个玻璃片材。用于向透明导电膜供电的母线形成在表面3(从层叠玻璃的外侧开始编号)上。呈框架状形式的陶瓷印刷件在表面2上,并且覆盖母线和连接到馈电线的母线的馈电部分。
US7520416B2(Crumbach)公开了一种层叠玻璃,该层叠玻璃包括两个玻璃片材和设置在两个玻璃片材之间的中间层。通过在具有切口(在该切口处露出玻璃片材表面)的表面4上形成不透光涂层的印刷陶瓷油墨层提供遮蔽带。电导体被印刷在暴露基底玻璃的切口中。在表面4上形成焊接连接件。
发明内容
本发明的目的是提供一种包括具有更轻的重量和提高的强度的电连接器的层叠玻璃。另一个目的是提供一种制造所述层叠玻璃的方法,该方法通过避免玻璃材料薄层片的破裂来提高产量。另一个目的是以工业标准在窗户中使用所述层叠玻璃。
在第一方面,本发明提供了一种包含权利要求1所述特征的层叠玻璃。
本发明提供了一种层叠玻璃,该层叠玻璃包括:第一玻璃片材和第二玻璃片材以及设置在它们之间的至少一个层间材料层片;设置在层间材料层片上的导电带;布设在第二玻璃片材的边缘处以用于与外部电路连接的连接器;在第二玻璃片材的不面向层间材料层片的表面上且部分遮蔽导电带的陶瓷油墨层;以及陶瓷油墨层中的间隙,该间隙被配置成使得导电带在间隙中与连接器接触。
本发明是有利的,因为与不具有间隙的现有技术相比,在陶瓷油墨层中具有连接器和间隙的层叠玻璃(被配置成使得导电带在间隙中与连接器接触)具有提高的强度。该间隙是没有陶瓷油墨层的区域。
令人惊讶的是,本发明人发现,由于导电带与连接器接触或重叠,玻璃片材上陶瓷油墨层中的间隙导致玻璃片材表面4中的压应力大于玻璃片材表面4中的拉应力。优选地,导电带与连接器重叠。
在US7520416B2中没有公开陶瓷印刷件中的间隙,其中在导电带中提供了切口,以提供用于视觉检查焊料层的观察窗。
由于配置了陶瓷油墨层中的间隙,使得导电带与间隙中的连接器接触,层叠玻璃具有提高的强度,并且通过了用于车辆风挡的温度循环测试。
在一个优选实施例中,强度的提高足以允许使用更薄的玻璃,从而提供适合用作车辆风挡的轻质产品。轻质车辆部件对于车辆的燃料效率是有利的。
优选地,第一玻璃片材或第二玻璃片材的厚度小于或等于2mm,更优选小于或等于1.8mm,更优选小于或等于1.4mm,更优选小于或等于1.0mm;最优选小于或等于0.7mm。
优选地,第一玻璃片材的厚度大于第二玻璃片材的厚度。
优选地,外玻璃片材厚度为1.8mm,内玻璃片材厚度为1.4mm;更优选地,外玻璃片材厚度为2.1mm,内玻璃片材厚度为1.0mm。
优选地,第一玻璃片材和第二玻璃片材是钠钙玻璃和/或浮法玻璃。
优选地,第二玻璃片材被退火、更优选被半钢化,以具有20MPa至25MPa的表面应力;更优选被热强化,以具有40MPa至55MPa的表面应力;最优选被完全回火,以具有65MPa至69MPa的表面应力。
优选地,层间材料层片是聚合物,例如热塑性树脂,更优选聚乙烯醇缩丁醛(PVB)。优选地,层间材料层片的厚度小于或等于0.76mm。层间材料层片可以包括两个层间材料层片,例如一对PVB层片,该一对PVB层片的厚度为0.76mm和0.38mm以用于声学性能,或者0.38mm和0.38mm,其中一个层片具有红外反射(IRR)涂层;或者可以包括三个层间材料层片,其中中间层片可以包括聚对苯二甲酸乙二醇酯(PET),该中间层片的厚度为0.1mm并且具有用于阳光控制性能的涂层。
优选地,该间隙从第二玻璃片材的边缘向第二玻璃片材的中心延伸,优选延伸至少22mm,更优选延伸至少28mm。
优选地,间隙平行于第二玻璃片材的边缘延伸,优选延伸至少32mm,更优选延伸至少38mm。
优选地,第二陶瓷油墨层在层叠玻璃的表面2上。
优选地,陶瓷油墨层包括玻璃料和颜料,优选地,陶瓷连接层是不透明的,更优选是黑色或不透光的。优选地,陶瓷油墨层是印刷的,更优选是丝网印刷的。
优选地,导电带是金属的,优选是铜的,例如镀锡铜,优选厚度为100μm或更小,更优选厚度为50μm或更小。
优选地,连接器包括导体和至少部分覆盖该导体的绝缘膜,优选地,连接器是扁平电缆,更优选地,在导电带与连接器接触的地方,导体没有绝缘膜。
优选地,连接器具有100μm或更小的导体厚度,更优选80μm或更小。
优选地,连接器具有50μm或更小的绝缘膜厚度,更优选30μm或更小。
优选地,连接器通过粘附膜结合到第二玻璃片材上;优选地,粘附膜的厚度为130μm或更小,更优选为100μm或更小。
在第二方面,本发明提供了一种包括权利要求13所述的步骤的制造层叠玻璃的方法。
本发明提供一种制造层叠玻璃的方法,包括以下步骤:提供第一玻璃片材和第二玻璃片材,并在它们之间设置层间材料层片;将导电带设置在层间材料层片上或第二玻璃片材上;在第二玻璃片材的边缘处布设连接器以用于与外部电路连接;在第二玻璃片材的不面向层间材料层片的表面上沉积陶瓷油墨层,并部分遮蔽导电带;以及在陶瓷油墨层中配置间隙,使得导电带在间隙中与连接器接触。
优选地,连接器(5)设置在层间材料层片(3)上。
优选地,导电带(4)被配置成与连接器(5)重叠。
在一个实施例中,陶瓷油墨层可以被预烧制,和/或第二陶瓷油墨层可以被预烧制。
在第三方面,如权利要求15所述,本发明提供了层叠玻璃的用途。本发明可用于建筑物的窗户、街道设施、触摸屏、白色物品(white goods)的门或陆地、海洋和空中交通工具的窗户。优选地,本发明可以用作机动车辆的窗户,即风挡、后窗、侧窗或天窗。
现在将通过非限制性附图、非限制性示例和对比示例进一步公开本发明。
附图说明
图1是在陶瓷油墨层中具有间隙的本发明的实施例。
图2是图1的实施例的剖视图。
图3是具有第二陶瓷油墨层的本发明的实施例。
图4是图3的实施例的剖视图。
图5是具有导线作为导电元件的本发明的实施例。
图6是图5的实施例的剖视图。
图7是具有涂层作为导电元件的本发明的实施例。
图8是图7的实施例的剖视图。
图9是示出了连接器的细节的本发明的实施例。
图10是图9的实施例的剖视图。
图11是图7的另一实施例的剖视图。
具体实施方式
图1公开了根据本发明的层叠玻璃(10),该层叠玻璃包括通过层间材料层片(3)结合在一起的第一玻璃片材(1)和第二玻璃片材(2)。
第一玻璃片材(1)的不面向层间材料层片(3)的表面是表面1(S1)。第一玻璃片材(1)的面向层间材料层片(3)的表面是表面2(S2)。第二玻璃片材(2)的面向层间材料层片(3)的表面是表面3(S3)。第二玻璃片材(2)的不面向层间材料层片(3)的表面是表面4(S4)。
例如,层叠玻璃(10)是窗户,其中第一玻璃片材(1)是外玻璃片材,第二玻璃片材(2)是内玻璃片材,并且表面(S1、S2、S3、S4)从外侧依次被编号。
导电带(4)设置在层间材料层片(3)上。导电带(4)的示例包括用于向加热元件分配电能的母线,或者用于天线或传感器的连接垫。可以提供两个导电带(4)作为加热元件的正母线和负母线。
连接器(5)布设在第二玻璃片材(2)的边缘处,用于连接到外部电路。外部电路的示例包括用于加热层叠玻璃(10)的电源、用于通过层叠玻璃(10)上的天线接收或发送信号的放大器。两个连接器(5)分别连接到两个导电带(4)。
陶瓷油墨层(6)沉积在第二玻璃片材(2)的不面向层间材料层片(3)的表面(S4)上,部分遮蔽导电带(4)。陶瓷油墨层(6)可以是遮蔽带,以遮蔽边缘处或边缘附近的部件的可视图像。
陶瓷油墨层(6)中的间隙(7)被设置和配置成使得导电带(4)在间隙(7)中与连接器(5)接触或重叠。间隙(7)可以是任何形状。例如矩形(如图所示)、三角形或任何其他多边形。
两个连接器(5)可以设置在同一间隙(7)中。例如,在层叠玻璃风挡上并排的两个连接器使得车辆接线器的两个电缆能够容易连接。
图2是图1的层叠玻璃(10)沿线A-A的剖视图。导电带(4)在层间材料层片(3)上并在间隙(7)中与连接器(5)重叠。
图3是类似于图1的本发明的实施例,还包括第二陶瓷油墨层(8)。该第二陶瓷油墨层(8)位于层叠玻璃(10)的第二表面上。
图4是图3中实施例的剖视图。第二陶瓷油墨层(8)遮蔽了间隙(7)的可视图像。
图5是类似于图3的本发明的实施例,还包括在层叠玻璃底部边缘处的第一导电带(4)和层叠玻璃顶部边缘处的第二导电带(14)之间延伸的加热元件(9)。加热元件(9)包括多根加热丝。第一导电带(4)和第二导电带(14)每个都具有分别由两个第一连接器(5)和两个第二连接器(15)单独供电的两个部分,以允许两个加热区(层叠玻璃的左、右)的独立切换。陶瓷油墨层(6)中的第二间隙(17)设置在第二导电带(14)与第二连接器(15)重叠的区域中。
图6是图5的实施例的剖视图,示出了加热丝夹在第一导电带(4)和第三导电带(24)之间,以便更好的电接触。优选地,低熔点焊料带(未示出)沿着第一导电带(4)和/或第三导电带(24)的长度配置,使得焊料在层叠过程中熔化并围绕加热丝流动。第一导电带(4)可以位于层间材料层片(3)上,使得连接器(5)更靠近第二玻璃片材(2)的表面(S3)。
图7是类似于图5的本发明的实施例,不同之处是加热元件(9)是没有单独加热区的透明导电涂层。两个连接器(5)并排设置在层叠玻璃的底部边缘处,并且通过透明导电涂层中的缺除线(deletion line)(11)彼此电隔离。导电带(4)中的一个设置有导电带延伸部(12),该导电带延伸部沿着层叠玻璃的侧边缘和顶部边缘配置,以形成用于向加热元件(9)提供电能的第二母线。
图8是图7的实施例的剖视图,示出了透明导电涂层中的缺除线(11)导致加热元件(9)的靠近侧边缘的部分永久不被加热。
图9是类似于图7的本发明的实施例,其中更详细地公开了呈绝缘电缆的形式(例如扁平电缆)的连接器(5),该绝缘电缆包括至少部分地由绝缘膜(52)绝缘并通过用作防水层的粘附膜(53)附着到第二玻璃片材(2)的导体(51)。绝缘膜(52)通常包括夹着导体(51)的两层,至少一层具有环氧树脂粘附剂来结合这两层并在导体(51)的每一侧处形成密封。环氧树脂粘附剂可以被热固化。
图10是图9的实施例沿线X-X的剖视图,示出了连接器(5)能够围绕第二玻璃片材(2)的边缘被折叠。粘附膜(53)可以附着到间隙(7)中的表面4(S4)。
示例和对比示例
本发明的四个示例和四个对比示例具有表1所示的共同特征。
Figure BDA0003829013570000071
表1
表2示出了四个示例之间的差异。
示例 连接器位置 导电带厚度(μm)
1 侧边缘 50
2 侧边缘 100
3 底部边缘 50
4 底部边缘 100
表2
四个示例中的每一个的五个样本(总共20个样本)被制造成在导电带(4)与连接器(5)重叠的区域中具有间隙(7),即没有陶瓷油墨层(6)。所有20个样本都进行了热循环的工业标准测试。所有20个样本都通过了测试。
对于四个示例中的每一个都制造了一个对比示例,该对比示例在导电带(4)与连接器(5)重叠的区域中的表面4(S4)上具有陶瓷油墨层(6)。至少50%的对比示例没有通过热循环测试。
附图标记
1、2-第一玻璃片材和第二玻璃片材
3-层间材料层片
4-导电带
5-连接器
6-陶瓷油墨层
7-间隙
8-第二层陶瓷油墨层
9-加热元件
10-层叠玻璃
11-缺除线
12-导电带延伸部
14-第二导电带
15-第二连接器
17-第二间隙
24-第三导电带
31、32、33-第一层间材料层片、第二层间材料层片和第三层间材料层片
51-导体
52-绝缘膜
53-粘附膜
S1、S2、S3、S4-第一表面、第二表面、第三表面、第四表面

Claims (15)

1.一种层叠玻璃(10),包括:
-第一玻璃片材(1)和第二玻璃片材(2)以及设置在它们之间的层间材料层片(3);
-导电带(4),其设置在层间材料层片(3)上;
-连接器(5),其布设在第二玻璃片材(2)的边缘处;
-陶瓷油墨层(6),所述陶瓷油墨层在第二玻璃片材(2)的不面向层间材料层片(3)的表面(S4)上并且部分遮蔽导电带(4);
-陶瓷油墨层(6)中的间隙(7),其被配置成使得导电带(4)在间隙(7)中与连接器(5)接触。
2.根据权利要求1所述的层叠玻璃(10),其特征在于,所述导电带(4)与所述连接器(5)重叠。
3.根据前述权利要求中任一项所述的层叠玻璃(10),其特征在于,所述第一玻璃片材(1)或所述第二玻璃片材(2)的厚度小于或等于2mm,更优选小于或等于1.8mm,更优选小于或等于1.4mm,更优选小于或等于1.0mm;最优选小于或等于0.7mm。
4.根据前述权利要求中任一项所述的层叠玻璃(10),其特征在于,第一玻璃片材(1)的厚度大于第二玻璃片材(2)的厚度。
5.根据前述权利要求中任一项所述的层叠玻璃(10),其特征在于,层间材料层片(3)的厚度小于或等于0.76mm。
6.根据前述权利要求中任一项所述的层叠玻璃(10),其特征在于,所述间隙(7)从所述第二玻璃片材(2)的边缘向所述第二玻璃片材(2)的中心延伸,优选延伸至少22mm,更优选延伸至少28mm。
7.根据前述权利要求中任一项所述的层叠玻璃(10),其特征在于,所述间隙(7)平行于所述第二玻璃片材(2)的边缘延伸,优选延伸至少32mm,更优选延伸至少38mm。
8.根据前述权利要求中任一项所述的层叠玻璃(10),其特征在于,所述导电带(4)的厚度为100μm或更小,更优选为50μm或更小。
9.根据任一前述权利要求所述的层叠玻璃(10),其特征在于,所述连接器(5)包括导体(51)和至少部分覆盖所述导体(51)的绝缘膜(52)。
10.根据前述权利要求中任一项所述的层叠玻璃(10),其特征在于,所述连接器(5)的导体厚度为100μm或更小,更优选为80μm或更小。
11.根据前述权利要求中任一项所述的层叠玻璃(10),其特征在于,所述连接器(5)的绝缘膜厚度为50μm或更小,更优选30μm或更小。
12.根据任一前述权利要求所述的层叠玻璃(10),其特征在于,所述连接器(5)通过粘附膜(53)结合到所述第二玻璃片材(2);优选地,粘附膜(53)的厚度为130μm或更小,更优选100μm或更小。
13.用于制造根据权利要求1所述的层叠玻璃(10)的方法,该方法通过下列步骤进行:
-提供第一玻璃片材(1)和第二玻璃片材(2)并在它们之间设置一个层间材料层片(3);
-将导电带(4)设置在层间材料层片(3)上或第二玻璃片材(2)上;
-将连接器(5)布设在第二玻璃片材(2)的边缘处,用于与外部电路连接;
-在第二玻璃片材(2)的不面向层间材料层片(3)的表面(S4)上沉积陶瓷油墨层(6),并且部分遮蔽导电带(4);和
-在陶瓷油墨层(6)中配置间隙(7),使得导电带(4)在间隙(7)中与连接器(5)接触。
14.根据权利要求13所述的用于制造层叠玻璃(10)的方法,包括将导电带(4)配置成与连接器(5)重叠的步骤。
15.根据权利要求1所述的层叠玻璃(10)的用途,用于建筑物的窗户、街道设施、触摸屏、白色物品的门或陆地、海洋和空中交通工具的窗户。
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