CN109791818B - 扁平电线、扁平电线层积体以及扁平电线的固定结构 - Google Patents

扁平电线、扁平电线层积体以及扁平电线的固定结构 Download PDF

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CN109791818B
CN109791818B CN201780058358.1A CN201780058358A CN109791818B CN 109791818 B CN109791818 B CN 109791818B CN 201780058358 A CN201780058358 A CN 201780058358A CN 109791818 B CN109791818 B CN 109791818B
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electric wire
flat
self
flat electric
main surface
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CN109791818A (zh
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山口裕司
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Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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Abstract

目的在于能够将作为布线构件使用的电线容易且牢固地固定到其他部件。扁平电线具备扁平导体和包覆部，包覆部以扁平的形式覆盖扁平导体，并且至少一方侧的主面呈现自我接合性。包覆部的至少一方侧的主面呈现自我粘接性。多个扁平电线以各自的包覆部中的呈现自我接合性的主面彼此被接合的状态被层积，从而制造扁平电线层积体。

Description

扁平电线、扁平电线层积体以及扁平电线的固定结构
技术领域
本发明涉及作为布线构件使用的扁平电线。
背景技术
专利文献1公开了一种双绞电线，通过在线状的导体的外周设置有热塑性绝缘包覆层的、具有自我熔合性的2根电线绞合而成，在该绞合状态下，所述2根电线的相互接触的绝缘包覆层彼此被接合。
现有技术文献
专利文献
专利文献1：日本特开2015-15221号公报
发明内容
发明所要解决的课题
但是，根据专利文献1，采用如下构成：2根电线的相互接触的绝缘包覆层彼此通过自我熔合性而被接合。因为2根电线各自的截面为圆形状，所以2根电线的接触面积小。因此，2个电线的接合力小。
于是，本发明的目的在于，能够将作为布线构件使用的电线容易且牢固地固定到其他部件。
用于解决课题的手段
为了解决上述课题，第1方式所涉及的扁平电线其具备：扁平导体；以及包覆部，其以扁平的形式覆盖所述扁平导体，并且至少一方侧的主面呈现自我接合性。
第2方式为第1方式所涉及的扁平电线，所述包覆部的至少一方侧的主面呈现自我粘接性。
第3方式为扁平电线层积体，其具备第1或者第2方式所涉及的多个扁平电线，所述多个扁平电线以各自的包覆部中的呈现自我接合性的主面彼此被接合的状态被层积。
第4方式所涉及的扁平电线的固定结构，其具备：第1或者第2方式所涉及的扁平电线；以及中介层，其在一方主面侧设置有粘接层，并且在另一方主面侧设置有自我接合层，该自我接合层由与所述包覆部中的呈现自我接合性的主面相同的材料形成，所述粘接层粘接于固定对象部分，所述扁平电线以所述扁平电线的包覆部中呈现自我接合性的主面和所述自我接合层被接合的状态被固定到所述固定对象部分。
发明效果
根据第1方式，只要将包覆部中的呈现自我接合性的主面接触到由与其相同的材料形成的固定对象部分，就能够以较大的接合面积将扁平电线固定到固定对象部分。因此，能够将作为布线构件使用的扁平电线容易且牢固地固定到其他部件。
根据第2方式，只要将包覆部中的呈现自我粘接性的主面按压到由与其相同的材料形成的固定对象部分的表面，就能够将作为布线材使用的扁平电线容易且牢固地固定到其他部件。
根据第3方式，能够将多个扁平电线以容易且牢固地固定的状态进行层积。
根据第4方式，能够将扁平电线容易且牢固到固定到固定对象部分。
附图说明
图1是示出实施方式所涉及的扁平电线的概要立体图。
图2是示出扁平电线层积体的概要立体图。
图3是示出用于将其他电线30连接于扁平电线的构成例的图。
图4是示出用于将其他电线30连接于扁平电线的构成例的图。
图5是示出将扁平电线固定于固定对象部分的结构例的说明图。
图6是示出将扁平电线固定于固定对象部分的结构例的说明图。
图7是示出变形例所涉及的扁平电线的概要立体图。
图8是示出其他变形例所涉及的扁平电线的概要立体图。
具体实施方式
以下，对实施方式所涉及的扁平电线进行说明。图1是示出实施方式所涉及的扁平电线10的概要立体图。
扁平电线10具备扁平导体12和包覆部20。
扁平导体12形成为长条形状，在与其长边方向正交的面上的横截面形成为扁平形状(在此，在一个方向上长的长方形状)。扁平导体12由细长的带状金属板形成。扁平导体12由铜、铜合金、铝、铝合金等材料形成。也可以在扁平导体12上镀覆锡、镍等金属。
包覆部20是以扁平的形式覆盖上述扁平导体12的绝缘部件。包覆部20通过例如挤出树脂并包覆于扁平导体12的周围等而形成。包覆部20以均等的厚度尺寸覆盖扁平导体12的周围，因此在与扁平电线10的长边方向正交的横截面观察扁平电线10时，形成为扁平形状。
包覆部20的至少一方侧的主面具有自我接合性。在此，包覆部20自身由具有自我接合性的材料形成。在此，自我接合性是指容易接合于与自身相同的材料的性质。作为自我接合性，例如可以列举如下：通过相同的材料彼此接触(优选为按压)，而成为如被粘接的状态的性质(有时称为自我粘接性)、通过熔合而被一体化的性质(有时称为自我熔合性、还可以使用通过加热而呈现自我熔合性的材料)等。例如，氢化苯乙烯丁二烯橡胶层或者烯烃弹性体层等合成橡胶、在作为基础树脂的天然橡胶乳胶混合萜烯树脂、松香酯系树脂、石油系树脂等粘接助剂而成的材料，如在日本特开2015-15221号公报等公开的那样，在常温下呈现自我粘接性的材料。另外，丁烯橡胶是在常温下具有自我熔合性的材料的一种，另外，EMA(聚乙烯丙烯酸甲酯)、聚酯、聚酰胺等热塑性树脂是通过加热而具有自我熔合性的材料的一种。
因为包覆部20自身由具有自我接合性的材料而形成，所以包覆部20的表面整体呈现自我接合性，特别是，包覆部20中的宽幅部的2个主面的双方呈现自我接合性。
优选地，上述扁平电线10例如作为在车辆中将电池和DC-DC转换器、启动发电机(Starter generator)或者逆变器等电连接的电力计的布线部件而使用。
图2是示出具备多个上述扁平电线10的扁平电线层积体110的概要立体图。
在此，扁平电线层积体110具备2个扁平电线10。并且，两个扁平电线10以如下方式重叠：使一方的扁平电线10的2个宽幅的主面的一方与另一方的扁平电线10的2个宽幅的主面的一方接触。并且，采用如下构成：2个扁平电线10的一方的主面和另一方的主面接合，从而两者以层积状态被一体化。上述扁平电线10使2个扁平电线10重叠，并且对2个扁平电线10施加沿两者合体的方向的力就能够制造。
在此，虽然2个扁平电线10被重叠，但是也可以形成为3根以上的扁平电线10被重叠并接合。
图3以及图4是示出用于将其他电线30连接于扁平电线10的构成例的图。也就是说，在图3中，在上述扁平电线10形成孔14。孔14贯穿扁平导体12以及其一方主面侧的包覆部20。孔14也可以贯穿扁平电线10，也可以不贯穿扁平电线10。
另外，在电线30的端部中，芯线部32露出，并且端子34被压接。端子34通过对金属板进行冲压加工等而形成，具备压接部35和对方侧连接部36。压接部35是压接于电线30的端部的部分。对方侧连接部36是形成有孔36h的部分。所涉及的端子34是被称为圆形端子的端子。端子和电线的芯线部也可以通过熔接、超声波接合等而被接合。
然后，在将螺栓38的螺钉部39插通到对方侧连接部36的孔36h的状态下，将螺栓38螺紧到孔14。优选地，螺栓38的前端部不向扁平电线10的相反侧突出，仅与扁平导体螺合。优选地，螺栓38的前端部也可以向扁平电线10的相反侧突出，并且该部分螺合到另一个螺母。
上述端子34的对方侧连接部36被夹于螺栓38的顶部38a和扁平电线10之间而被固定。另外，螺栓38中的顶部38a以及其周围部成为接触到端子34的对方侧连接部36的状态，并且螺钉部39螺入到孔36h，而成为与扁平导体12接触的状态。因此，电线30的芯线部32通过螺栓38而成为与扁平导体12电连接的状态，从而电线30连接于扁平电线10。
代替上述螺栓38，也可以使用铆钉等。另外，也可以在紧固螺栓38的部分去除包覆部20，对方侧连接部36直接接触到扁平导体12。
图5以及图6是示出将扁平电线10固定到固定对象部分50的结构例的说明图。作为固定对象部分50，可假设为车辆中的金属面板、树脂面板等。
在固定对象部分50，作为中介层粘接有粘接片60。粘接片60形成为带状。优选地，粘接片60的宽度尺寸与扁平电线10的宽度尺寸相同，但这不是必须的。粘接片60具备位于一方主面侧的粘接层62以及位于另一方主面侧的自我接合层64。粘接层62是与一般的胶带同样地呈现粘接性的层，构成为能够粘接于由金属或者树脂等构成的固定对象部分50。自我接合层64由与上述包覆部20中呈现自我接合性的主面相同的材料形成。并且，通过使上述粘接层62粘接于固定对象部分50，从而该粘接片60粘接于固定对象部分50。
扁平电线10通过使其包覆部20的一方主面接合于粘接片60的自我接合层64，从而被固定到固定对象部分50。因为包覆部20和自我接合层64由具有自我接合性的相同的材料形成，所以使扁平电线10的包覆部20接触到粘接片60的自我接合层64，根据需要进行加压、加热(通过对扁平导体12进行通电而进行加热即可)等，从而能够使扁平电线10接合于粘接片60的自我接合层64。这时，因为不必在固定对象部分50侧形成固定用孔，所以很方便。
在将扁平电线10接合于粘接片60的自我接合层64前的状态下，粘接片60相对于其他周边部件不呈现较强的粘接性等，另外，扁平电线10中的没有接合到自我接合层64的部分也相对于其他周边部件不呈现较强的粘接性。因此，其他部件很难无意识地粘接到固定对象部分50以及扁平电线10。
即使在上述的任意一个例子中，与采用双面胶带等的情况不同地，不需要进行剥离纸的剥离作业、已剥离的剥离纸的处理作业等，这一点也很方便。
根据如上述方式构成的扁平电线10，只要使包覆部20中的呈现自我接合性的主面接触到由与其相同的材料形成的固定对象部分的表面，就能够以较大的接合面积将扁平电线10固定到固定对象部分50。因此，能够将作为布线构件使用的扁平电线10容易且牢固地固定到其他部件。
特别是，因为包覆部20具有自我粘接性，所以只要将包覆部20按压于由与包覆部20相同的材料形成的固定对象部分的表面，就能够以较大的接合面积将扁平电线10容易且牢固地固定到固定对象部分50。
在上述例子中，设定为使某一个扁平电线10层积于作为固定对象部分的其他扁平电线10的状态，使这些包覆部20的主面彼此接合，从而能够以容易且牢固地固定的状态层积多个扁平电线10。
另外，在其他例子中，能够将某一个扁平电线10经由粘接片60而容易且牢固地固定到车辆车身等固定对象部分50，粘接片60具有粘接层62以及自我接合层64。
另外，在上述实施方式中，以包覆部20的整体由具有自我接合性的材料形成的例子进行了说明，但是也可以采用如下构成：如图7所示的扁平电线210或者图8所示的扁平电线310那样，在由氯乙烯等形成的包覆主体部211的周围利用具有自我接合性的材料而形成有自我接合层212或者自我接合层312。自我接合层212或者自我接合层312可以通过涂布等而形成于包覆主体部211、另外还可以借由粘接层粘接于包覆主体部211。
自我接合层212或者自我接合层312形成在位于包覆主体部211的周围的4个面中的成为宽宽度的2个主面的至少一方。在此，关于扁平电线210，在包覆主体部211的双方的主面形成有自我接合层212。另外，关于扁平电线310，在包覆主体部211的双方的主面形成有自我接合层212。
因此，能够以使比较宽幅的主面接触到固定对象部分的状态固定扁平电线210、310。
另外，在上述实施方式以及各个变形例中说明的各构成只要不相互矛盾便可以适当组合。例如，也可以层积了扁平电线10电线借由粘接片60固定到固定对象部分50。
以上，对本发明详细地进行了说明，但是上述说明只是所有的方式中的例示，本发明不限定于此。没有例示的无数的变形例被解释为不脱离本发明的范围就能够想到且得到。
附图标记说明
10、210、310扁平电线
12扁平导体
20包覆部
50固定对象部分
60粘接片
62粘接层
64自我接合层
110扁平电线层积体
211包覆主体部
212、312自我接合层

Claims (2)

1.一种扁平电线的固定结构，其具备：
扁平导体；
包覆部，其以扁平的形式覆盖所述扁平导体，并且至少一方侧的主面呈现自我粘接性或在常温下呈现自我熔合性；以及
中介层，其在一方主面侧设置有粘接层，并且在另一方主面侧设置有自我接合层，该自我接合层由与所述包覆部中的呈现自我接合性的主面相同的材料形成，所述粘接层粘接于固定对象部分，
所述扁平电线以所述扁平电线的包覆部中呈现自我接合性的主面和所述自我接合层被接合的状态被固定到所述固定对象部分。
2.根据权利要求1所述的扁平电线的固定结构，其中，
所述包覆部在与所述扁平导体接触的状态下包覆所述扁平导体，
所述包覆部由自我粘接性树脂或在常温下呈现自我熔合性的树脂形成。
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