CN110783732B - 安装有连接器的电路体以及汇流条模块 - Google Patents

安装有连接器的电路体以及汇流条模块 Download PDF

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CN110783732B
CN110783732B CN201910688921.4A CN201910688921A CN110783732B CN 110783732 B CN110783732 B CN 110783732B CN 201910688921 A CN201910688921 A CN 201910688921A CN 110783732 B CN110783732 B CN 110783732B
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circuit body
connector
bus bar
terminal
thickness direction
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CN110783732A (zh
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市川喜章
牧野公利
小林真人
安田知司
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Yazaki Corp
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    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
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    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
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    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
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Abstract

一种安装有连接器的电路体，包括：电路体，包括具有布线图案的柔性基板；和连接器，安装到所述电路体并包括端子和容纳所述端子的壳体。所述端子电连接到所述布线图案并沿所述电路体的厚度方向延伸。

Description

安装有连接器的电路体以及汇流条模块
技术领域
本发明涉及一种安装有连接器的电路体以及汇流条模块。
背景技术
在现有技术中，具有布线图案的柔性基板(柔性印刷电路，FPC)用作连接各种电子设备的布线(例如，参见专利文献1)。柔性基板的特征在于通常包括构成具有预定形状的布线图案(即，电路)的薄膜导体层被绝缘膜夹在中间的结构，并且特别是在保持电特性的同时实现诸如弯曲的柔性变形的特性。
[专利文献1]JP-A-2002-093995
当连接器安装到长柔性基板时，包括沿柔性基板的纵向方向延伸的端子容纳室和端子的连接器通常安装到柔性基板的末端部。然而，例如，当通过柔性基板电连接的电子设备彼此靠近布置并且连接器嵌合到配对连接器时，柔性基板可以在连接器的近端部(连接柔性基板的部分)大幅弯曲(即，曲率半径减小)。这种大的弯曲会导致柔性基板和连接器之间的接触负荷。因此，例如，采取诸如增加柔性基板的长度或将电子设备彼此分开布置的措施。然而，由于电子设备的紧密布置，这些措施可能会妨碍节省空间、降低高度等。
发明内容
一个或多个实施例提供了一种安装有连接器的电路体和汇流条模块，其能够通过彼此电连接的连接对象的紧密布置来节省空间并降低包括连接对象的整个系统的高度。
在方面(1)中，安装有连接器的电路体包括电路体，其包括具有布线图案的柔性基板；和连接器，其安装到所述电路体并包括端子和容纳所述端子的壳体。所述端子电连接到所述布线图案并沿所述电路体的厚度方向延伸。
在方面(2)中，所述壳体包括对应于配对连接器的开口，所述连接器构造成将被嵌合在所述配对连接器中；并且所述连接器还包括盖，其组装到所述壳体并在所述盖的外表面上具有倾斜表面，使得所述外表面沿所述电路体的厚度方向上朝向所述开口向外延伸。
在方面(3)中，一种汇流条模块，安装到其中堆叠多个单电池的电池组件，包括电路体，其包括具有布线图案的柔性基板；连接器，安装到所述电路体；汇流条，其构造成连接到所述多个单电池的电极；和保持器，保持所述汇流条并在所述多个单电池的堆叠方向上能够拉伸。所述电路体构造成通过所述布线图案连接所述汇流条和所述连接器。所述连接器包括：端子，电连接到所述布线图案并沿所述电路体的厚度方向延伸；以及壳体，容纳所述端子。
根据方面(1)，端子连接到布线图案以沿电路体的厚度方向(例如，垂直于电路体)延伸，并且提供壳体以容纳端子。因此，当连接器嵌合到配对连接器时，可以将电路体的曲率减小连接器本身仅相对于电路体倾斜的量(即，连接器本身仅沿电路体的厚度方向延伸的量)。结果，例如，即使连接对象彼此靠近布置，与上述现有技术的安装有连接器的电路体相比，可以在缩短电路体长度的同时减小电路体的曲率。因此，如果使用本配置的安装有连接器的电路体，则与使用现有技术中的安装有连接器的电路体的情况相比，连接对象可以布置得彼此更靠近。以这种方式，此配置的安装有连接器的电路体使得包括连接对象的整个系统的空间节省和高度减小成为可能。
根据方面(2)，盖的外表面设置有倾斜表面，其朝向壳体的开口(即，朝向与配对连接器的接合位置)扩展。因此，例如，即使水滴等从盖侧接近壳体，水滴等也被引导离开壳体的开口，使得连接器和配对连接器之间的电连接位置可以防止被淋湿。因此，可以提高安装有连接器的电路体和配对连接器之间的电连接的可靠性。
根据方面(3)，端子连接到布线图案以沿电路体的厚度方向(例如，垂直于电路体)延伸，并且提供壳体以容纳端子。因此，当连接器嵌合到配对连接器时，可以将电路体的曲率减小连接器本身仅相对于电路体倾斜的量(即，通过连接器本身仅沿电路图的厚度方向延伸的量)。结果，例如，即使汇流条模块和外围设备(例如，电控箱)彼此靠近布置，与上述现有技术中的安装有连接器的电路体相比，也可以在缩短电路体长度的同时减小电路体的曲率。因此，本配置的汇流条模块用于通过汇流条模块和外围设备的紧密布置来实现包括汇流条模块和外围设备的整个系统的空间节省和高度减小。
根据一个或多个实施例，当在安装有连接器的电路体和汇流条模块中的彼此电连接的连接对象彼此靠近布置时，可以节省空间。
如上简要描述了本发明。通过阅读下面参考附图描述的用于执行本发明的方式，将进一步阐明本发明的细节。
附图说明
图1是示意性地示出电池组件和组装到电池组件的侧表面的电控箱通过根据本实施例的组装到电池组件的上表面的汇流条模块电连接的状态的透视图。
图2是根据本实施例的汇流条模块的分解透视图。
图3是根据本实施例的汇流条模块的主纵向剖视图。
图4是示出通过弯曲从连接器沿纵向延伸的电路体的一部分以向下突出来防止水滴等进入连接器的状态的视图。
具体实施方式
在下文中，将参照附图描述根据本发明实施例的包括安装有连接器的电路体的汇流条模块10。如图1所示，根据本实施例的汇流条模块10，例如，用于组装到安装在电动汽车上、混合动力汽车等上的作为驱动动力源的电池组件1(其中堆叠有多个单电池的电池模块)。在下文中，如图1所示，为了便于描述，限定了上下方向、前后方向和宽度方向，以及上、下、前和后。上下方向、前后方向和宽度方向彼此正交。
(电池组件的结构)
首先，将描述安装有根据本实施例的汇流条模块10的电池组件1。电池组件1通过串联连接多个单电池(未示出)而形成。多个单电池中的每一个都设置有正电极和负电极，从具有长方体形状的电池主体(主体)的上部突出。正电极和负电极在电池主体的电极表面上彼此分开布置，并且设置为分别从电极表面基本垂直向上突出成圆柱形。
电池组件1布置成在前后方向(堆叠方向)上堆叠单电池，使得相邻单电池的正电极和负电极交替。在电池组件1中，例如，在对应于串联连接的单电池的两个端部的单电池中，一个单电池的正电极是总正电极而另一个单电池的负电极是总负电极。在图1所示的示例中，对电池组件1执行电压检测和诊断的电控箱70(例如，ECU)被组装到电池组件1的侧表面。
(汇流条模块的结构)
接下来，将描述本实施例的汇流条模块10。如图1所示，汇流条模块10包括：电路体20，其由柔性基板(FPC)形成并连接到与单电池的正电极和负电极连接的汇流条(未示出)；和保持器(未示出)，其容纳并保持电路体20并将电路体20安装到电池组件1的上表面。保持器保持汇流条并且在多个单电池的堆叠方向(前后方向)上可伸展。以这种方式，汇流条模块10被组装到电池组件1的上表面。
如图1所示，电路体20在堆叠方向(前后方向)上布置在电池组件1(单电池)上，并包括设置有多个布线图案(未示出)的条形延伸部21。从其前端部起具有预定长度的延伸部21的一部分从保持器露出而未容纳在保持器中，并且从电池组件1的组装了电控箱70的侧表面向前延伸到该侧表面。连接器30安装到延伸部21的前端部。连接器30可以嵌合到电控箱70的连接器部71(见图1)。
如图2所示，连接器30包括多个端子40、容纳端子40的壳体50、以及组装到壳体50的盖60。
如图2和3所示，每个金属端子40一体地包括位于下端侧(远端侧)的远端侧连接部41、位于上端侧(近端侧)的近端侧连接部42、和连接远端侧连接部41和近端侧连接部42连接部43。远端侧连接部41具有管状形状并且用于与布置在电控箱70的连接器部71中的配对端子(阳端子，未示出)连接。
近端侧连接部42具有杆状形状并且用于与电路体20的延伸部21的前端部处的布线图案(未示出)连接。加强板22设置在电路体20的延伸部21的前端部的下表面。在上下方向(电路体20的厚度方向)上穿过加强板22和电路体20的多个通孔23与多个端子40的布置相对应地形成在延伸部21的前端部中。多个端子40的近端侧连接部42插入通孔23中并通过焊接等固定。因此，端子40固定到延伸部21的前端部，以从延伸部21的前端部向下(沿电路体20的厚度方向)突出，并连接到电路体20中的布线图案(未示出)。
如图2所示，树脂壳体50通常具有在上下方向(连接器30的嵌合方向)上延伸的长方体形状。如图3所示，容纳多个端子40的多个端子容纳室51在壳体50的内部形成以对应于多个端子40的布置在上下方向上贯通。在每个端子容纳室51的下端处的开口52用作插入配对端子的插入孔。
固定到电路体20(延伸部21)的前端部的多个端子40分别从上端侧(近端侧)插入并容纳在壳体50的多个端子容纳室51中。如图3所示，当完成端子40容纳到端子容纳室51中时，加强板22与壳体50的上端表面(近端面)接触。通过将形成在壳体50的上端表面上的一对定位突起53(见图2)插入形成在延伸部21的前端部的一对定位孔(通孔)24(见图2)来实现电路体20的延伸部21和壳体50的定位。如图3所示，容纳多个端子40的壳体50固定到延伸部21的前端部，以从延伸部21的前端部向下(沿电路体20的厚度方向)突出。
树脂盖60主要覆盖电路体20的延伸部21的前端部，从而起到保护从延伸部21的前端部的上表面略微向上突出的多个端子40的近端侧连接部42(见图2)的作用。如图2所示，盖60包括平板状的上壁部61、从上壁部61的前端边缘的两个宽度方向侧部悬挂的一对侧壁部62和设置在上壁部61的两个宽度方向端部的一对接合部63。
盖60相对于容纳多个端子40的壳体50从上方组装。盖60和壳体50通过使盖60侧的一对接合部63与设置在壳体50的两个宽度方向端部的一对接合部54接合而彼此固定(也参见图4)。
如图3所示，当盖60组装到壳体50上时，盖60的上壁部61的下表面与电路体20的延伸部21的前端部的上表面接触。从延伸部21的前端部的上表面稍微突出的多个端子40的近端侧连接部42位于设置在上壁部61(向上凹陷)的下表面上的凹部61a中。
如图2和3所示，倾斜表面62a形成在盖60的侧壁部62的下端部处，使得盖60的外表面向外(向前)和向下扩展(也见图4)。结果，从盖60侧接近连接器30的水滴等不太可能接近壳体的开口52。
从防止水滴等接近壳体50的开口52的观点来看，如图4所示，当电池组件1和电控箱70通过电路体20电连接时，从连接器30沿纵向延伸的电路体20的一部分可以弯曲，以从连接器30和电路体20之间的连接位置A向下突出。因此，附着在连接器30的上表面上的水滴等如图4中的箭头所示朝向电路体20的弯曲部的下端部移动，并且水滴等通过被排出以从电路体20的侧部流出，从而可以更可靠地防止水滴等进入连接器30。
如上所述，根据包括根据本实施例的安装有连接器的电路体的汇流条模块10，端子40连接到布线图案以沿电路体20的厚度方向延伸(与电路体20正交)，并且壳体50设置成容纳端子40，从而形成连接器30。因此，例如，如图1所示，即使当电池组件1和电控箱70彼此靠近布置并且连接电池组件1和电控箱70的电路体20的长度缩短，电池组件1和电控箱70也可以容易地连接而不会使电路体20弯曲。因此，通过彼此电连接的电池组件1和电控箱70的紧密布置，包括汇流条模块10、电控箱70等的整个系统能够实现空间节省和高度减小。
在根据该实施例的汇流条模块10中，由于盖60的外表面设置有朝向壳体50的开口52(即，朝向与电控箱70的连接器部71的嵌合位置)扩展的倾斜表面62a，水滴等不太可能接近壳体50的开口52。因此，可以提高汇流条模块10的电连接的可靠性。
本发明不限于上述实施例，并且可以在本发明的范围内采用各种修改。例如，本发明不限于上述实施例，并且可以适当地修改、改进等。另外，上述实施例中的每个部件的材料、形状、尺寸、数量、布置位置等是可选的，并且不受限制，只要可以实现本发明即可。
这里，将简要概述和列出根据本发明的安装有连接器的电路体和汇流条模块10的实施例的特征，并在下面的[1]至[3]中列出。
[1]一种安装有连接器的电路体，包括：
电路体，包括具有布线图案的柔性基板；和
连接器，安装到所述电路体并包括端子和容纳所述端子的壳体，
其中，所述端子电连接到所述布线图案并沿所述电路体的厚度方向延伸。
[2]根据[1]所述的安装有连接器的电路体，
其中，所述壳体包括对应于配对连接器的开口，所述连接器配置为将被嵌合在所述配对连接器中，并且
其中，所述连接器还包括盖，所述盖被组装到所述壳体并在所述盖的外表面上具有倾斜表面(62a)，使得所述外表面沿所述电路体的厚度方向上朝向所述开口向外延伸。
[3]一种汇流条模块，安装到其中堆叠多个单电池的电池组件，包括：
电路体，包括具有布线图案的柔性基板；
连接器，安装在所述电路体上；
汇流条，其构造成连接到所述多个单电池的电极；和
保持器，保持所述汇流条并在所述多个单电池的堆叠方向上能够拉伸，
其中，所述电路体构造成通过所述布线图案连接所述汇流条和所述连接器，和
其中，所述连接器包括：端子，电连接到所述布线图案并沿所述电路体的厚度方向延伸；以及壳体，容纳所述端子。
[参考数字和符号的描述]
1 电池组件
10 汇流条模块
20 电路体
30 连接器
40 端子
50 壳体
60 盖
62a 倾斜表面
71 连接器部(配对连接器)

Claims (2)

1.一种安装有连接器的电路体，包括：
电路体，包括具有布线图案的柔性基板并且延伸为带状；和
连接器，沿延伸方向安装到所述电路体的端部并包括端子和容纳所述端子的壳体，
其中，所述端子电连接到所述布线图案并沿所述电路体的厚度方向固定到所述电路体的所述端部以从所述电路体的所述端部向一侧突出，
其中，所述壳体固定到所述电路体的所述端部，以沿所述厚度方向从所述电路体的所述端部向所述一侧突出，
其中，所述壳体包括沿所述厚度方向的所述一侧的端部处设置的开口，所述开口对应于配对连接器，所述连接器构造成将被嵌合在所述配对连接器中，
其中，所述连接器还包括盖，所述盖被组装到所述壳体，并且
其中，所述盖包括沿厚度方向延伸的侧壁部，所述侧壁部在所述厚度方向上的所述一侧的端部的外表面上具有倾斜表面，使得所述倾斜表面沿所述电路体的厚度方向上的所述一侧靠近所述开口向外延伸。
2.一种汇流条模块，安装到其中堆叠多个单电池的电池组件，包括：
如权利要求1所述的安装有连接器的电路体；
汇流条，其构造成连接到所述多个单电池的电极；和
保持器，保持所述汇流条并在所述多个单电池的堆叠方向上能够拉伸，
其中，所述电路体构造成通过所述布线图案连接所述汇流条和所述连接器。
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