JP6162470B2 - Bus bar module - Google Patents

Bus bar module Download PDF

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JP6162470B2
JP6162470B2 JP2013094690A JP2013094690A JP6162470B2 JP 6162470 B2 JP6162470 B2 JP 6162470B2 JP 2013094690 A JP2013094690 A JP 2013094690A JP 2013094690 A JP2013094690 A JP 2013094690A JP 6162470 B2 JP6162470 B2 JP 6162470B2
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wire
electric wires
electric wire
electric
bus bar
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JP2014216270A (en
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茂之 小笠原
茂之 小笠原
真一 柳原
真一 柳原
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Yazaki Corp
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Yazaki Corp
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514—Methods for interconnecting adjacent batteries or cells
    • H01M50/517—Methods for interconnecting adjacent batteries or cells by fixing means, e.g. screws, rivets or bolts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/51—Connection only in series
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Description

本発明は、バスバモジュールに関し、具体的にはバスバモジュールを構成する各バスバに接続された電線を外部へ引き出すための構造に関する。   The present invention relates to a bus bar module, and more particularly to a structure for drawing out an electric wire connected to each bus bar constituting the bus bar module.

例えば、電動モータを用いて走行する電気自動車やエンジンと電動モータを併用して走行するハイブリッド自動車等には、電源装置が搭載される（特許文献１参照）。特許文献１に開示された電源装置は、複数の電池（二次電池）からなる電池集合体と、該電池集合体の上部等に取り付けられるバスバモジュールを備えて構成されている。電池集合体は、一対のエンドプレートで挟持された状態で拘束バンド等により束ねられて一体化されている。各電池には正の電極（正極）と負の電極（負極）が上部等に間隔をあけて突設されており、これらの電池は正極と負極が隣り合うように交互に向きを入れ換えて配置されている。また、バスバモジュールは、隣り合う電池の正極と負極を繋いで電池を直列接続する複数のバスバと、各電池の電圧を検出するためにバスバにそれぞれ接続された端子に一端側が接続され、他端側が電圧検出回路に接続された複数の電圧検出用の電線と、これらのバスバ及び電線を収容する収容部材とを備えて構成されている。なお、収容部材は電池の配列方向に延在してなり、上部が絶縁カバーで覆われている。   For example, a power supply device is mounted on an electric vehicle that travels using an electric motor or a hybrid vehicle that travels using both an engine and an electric motor (see Patent Document 1). The power supply device disclosed in Patent Document 1 includes a battery assembly including a plurality of batteries (secondary batteries), and a bus bar module attached to an upper portion of the battery assembly. The battery assembly is bundled and integrated by a restraining band or the like while being sandwiched between a pair of end plates. Each battery has a positive electrode (positive electrode) and a negative electrode (negative electrode) protruding from the top, etc. spaced apart from each other, and these batteries are alternately arranged so that the positive electrode and the negative electrode are adjacent to each other. Has been. The bus bar module has one end connected to a plurality of bus bars connecting the positive and negative electrodes of adjacent batteries in series to connect the batteries in series, and a terminal connected to the bus bar for detecting the voltage of each battery. A plurality of voltage detection electric wires whose sides are connected to a voltage detection circuit, and a housing member that accommodates these bus bars and the electric wires are configured. The housing member extends in the battery arrangement direction, and the upper part is covered with an insulating cover.

特開２０１１−７７０３１号公報JP 2011-77031 A

ところで、複数の電圧検出電線は収容部材に収容されて配索され、バスバモジュールの長手方向の一端側から外部へ引き出されるようになっており、収容部材にはこれら電線を引き出すための電線引出部が設けられている。電線引出部は、バスバモジュールの長手方向の一端部から平板状に伸延し、複数の電線（電線束）が載置されるようになっている。電線引出部に載置された電線は、例えば粘着テープを巻き付けることで電線引出部に固定される。しかしながら、このような粘着テープによる固定では、粘着テープで電線引出部に巻き付けられるまでは電線引出部に載置された電線束が何ら規制されないため、載置面上で位置ずれし易い。したがって、載置面上での電線束の形状が安定せず、固定作業にばらつきが生じて一定の固定強度を保てないおそれがある。また、電線引出部は、例えば先端部を両側（伸延方向と交差する方向）へ突出させて平面視略Ｔ字形状に構成することで強度の向上が図られているが、依然として平板構造をなしているため、荷重が集中的に負荷された場合などには折れ曲がってしまうおそれもある。   By the way, a plurality of voltage detection electric wires are accommodated and routed in the accommodating member, and are drawn out from one end side in the longitudinal direction of the bus bar module to the outside. Is provided. The wire lead portion extends in a flat plate shape from one end portion in the longitudinal direction of the bus bar module, and a plurality of wires (wire bundles) are placed thereon. The electric wire placed on the electric wire drawing portion is fixed to the electric wire drawing portion by, for example, winding an adhesive tape. However, in such fixing with an adhesive tape, the wire bundle placed on the wire lead-out portion is not restricted at all until it is wound around the wire lead-out portion with the adhesive tape, and thus the position is easily displaced on the placement surface. Therefore, the shape of the electric wire bundle on the mounting surface is not stable, and there is a possibility that the fixing operation varies and a fixed fixing strength cannot be maintained. In addition, the lead-out portion of the wire has been improved in strength by, for example, projecting the tip portion to both sides (direction intersecting with the extending direction) so as to have a substantially T-shape in plan view, but still has a flat plate structure. For this reason, there is a risk of bending when the load is intensively applied.

本発明はこれを踏まえてなされたものであり、その解決しようとする課題は、バスバモジュールにおける電線引出部に電線束を安定して固定させるとともに、電線引出部の強度を高めることにある。   The present invention has been made based on this, and a problem to be solved is to stably fix the wire bundle to the wire lead-out portion of the bus bar module and to increase the strength of the wire lead-out portion.

上記課題を解決するため、本発明に係るバスバモジュールは、正の電極と負の電極を有する複数の電池が互いに異なる極性の電極を隣り合わせて配列されてなる電池集合体に取り付けられて、隣り合う電池の正の電極と負の電極をそれぞれ繋ぐ複数のバスバと、各バスバにそれぞれ電気的に接続される複数の電線と、前記複数のバスバと前記複数の電線を収容する収容部材とを備え、前記収容部材のうち前記複数の電線を収容する電線収容部材は樋状に形成されて、前記複数の電線を外部へ引き出す電線引出部が設けられ、前記電線引出部は、前記電線収容部材の前記電池の配列方向の一端から樋状の底部を伸延してなる前記複数の電線を固定する平板状の電線固定部を有してなり、前記電線固定部は、前記複数の電線が載置される平板状の基部と該基部の一方の側縁から起立された壁部とからなる断面がＬ字状に形成され、前記基部と前記壁部の対応する位置の側縁に、それぞれ前記複数の電線を結束する結束バンドを係止する矩形状の切り欠きが設けられてなり、前記切り欠きの深さは、引き出される前記複数の電線の束を前記基部に載置したときの載置高さ及び載置幅と略同一又は僅かに小さく設定されてなることを特徴とする。 In order to solve the above problems, a bus bar module according to the present invention is attached to a battery assembly in which a plurality of batteries each having a positive electrode and a negative electrode are arranged side by side with electrodes having different polarities from each other. A plurality of bus bars respectively connecting the positive electrode and the negative electrode of the battery, a plurality of electric wires electrically connected to each bus bar, and a housing member that accommodates the plurality of bus bars and the plurality of electric wires, the wire receiving member for accommodating a plurality of electric wires of the housing member is formed in a gutter shape, the wire lead-out portion to draw a plurality of the electric wires to the outside is provided, the wire lead-out portion, of the wire receiving member It has a flat wire fixing portion for fixing the plurality of electric wires formed by extending a bowl-shaped bottom portion from one end of the battery in the arrangement direction, and the electric wire fixing portion is mounted with the plurality of electric wires. Flat plate And a wall section standing from one side edge of the base portion is formed in an L-shape, and the plurality of electric wires are bound to side edges at corresponding positions of the base portion and the wall portion, respectively. A rectangular notch for locking the binding band is provided, and the depth of the notch is determined based on the placement height and placement width when the bundle of the plurality of drawn wires is placed on the base. Is set to be substantially the same as or slightly smaller .

これによれば、収容部材から引き出した複数の電線（電線束）を電線固定部（電線引出部）に載置し、複数の電線が載置されるＬ字状に形成された基部と壁部とからなる部位の複数の電線の束を、基部と壁部の側縁に形成された矩形状の切り欠きに結束バンドを係止して結束する。このとき、切り欠きの深さは、複数の電線の束を基部に載置したときの載置高さ及び載置幅と略同一又は僅かに小さく設定されているから、結束バンドを電線の束の外周に密着させることができ、結束バンドで電線の束を確実に結束（緊結）することができる。これにより、固定作業中の電線束のばらつきが抑制され、一定の固定強度を保つことが可能となる。また、壁部がリブとして機能し、電線固定部に対して壁部の起立方向から荷重が作用された場合であっても、該荷重を壁部で負荷することができるため、電線固定部が折れ曲がるなどの損傷を抑制することができる。 According to this, the base part and wall part which were formed in the L shape where a plurality of electric wires (electric wire bundle) pulled out from the accommodation member are mounted in the electric wire fixing part (electric wire extraction part), and a plurality of electric wires are mounted. A bundle of a plurality of electric wires in a region consisting of the above is bound by binding a binding band to a rectangular notch formed at the side edges of the base and the wall. At this time, the depth of the notch is set to be approximately the same or slightly smaller than the placement height and placement width when a plurality of bundles of wires are placed on the base. The bundle of wires can be securely bound (tightened) with a binding band. Thereby, the dispersion | variation in the wire bundle during fixing work is suppressed and it becomes possible to maintain fixed fixing strength. Further, the wall portion functions as a rib, even when a load is applied from the upright direction of the wall portion with respect to the wire fixing portion, it is possible to load the該荷heavy wall portion, the wire fixing portion Damage such as bending can be suppressed.

本発明によれば、バスバモジュールにおける電線引出部に電線束を安定して固定させることができるとともに、電線引出部の強度を高めることができる。   ADVANTAGE OF THE INVENTION According to this invention, while being able to fix an electric wire bundle stably to the electric wire extraction part in a bus bar module, the intensity | strength of an electric wire extraction part can be raised.

本発明の一実施形態に係るバスバモジュールの全体構成を示す斜視図である。It is a perspective view showing the whole bus bar module composition concerning one embodiment of the present invention. 電線引出部の構成を示すために収容部材の一部を拡大して示す斜視図である。It is a perspective view which expands and shows a part of accommodation member in order to show the composition of an electric wire drawer part. 複数の電線（電線束）を電線固定部に結束バンドで固定した状態を示す図である。It is a figure which shows the state which fixed the some electric wire (electric wire bundle) to the electric wire fixing part with the binding band.

以下、本発明のバスバモジュールについて、添付図面を参照して説明する。図１には、本発明の一実施形態に係るバスバモジュールの全体構成を示す。本発明のバスバモジュールは、例えば、電動モータを用いて走行する電気自動車やエンジンと電動モータを併用して走行するハイブリッド自動車等に搭載された電源装置の電池集合体の接続用回路モジュールとすることができるが、その用途はこれに限定されるものではない。   Hereinafter, a bus bar module of the present invention will be described with reference to the accompanying drawings. FIG. 1 shows the overall configuration of a bus bar module according to an embodiment of the present invention. The bus bar module of the present invention is a circuit module for connecting a battery assembly of a power supply device mounted on, for example, an electric vehicle that uses an electric motor or a hybrid vehicle that uses an engine and an electric motor together. However, its application is not limited to this.

図１に示すように、バスバモジュールは、導体平板を打ち抜き加工や折り曲げ加工等することによって形成された複数のバスバ２と、各バスバ２にそれぞれ電気的に接続される複数の電線４（図３参照）と、これら複数のバスバ２及び電線４を収容する収容部材（以下、ケースという。）６を備えている。   As shown in FIG. 1, the bus bar module includes a plurality of bus bars 2 formed by punching or bending a conductive plate, and a plurality of electric wires 4 electrically connected to the respective bus bars 2 (FIG. 3). And a housing member (hereinafter referred to as a case) 6 for housing the plurality of bus bars 2 and the electric wires 4.

バスバ２は、電池集合体（図示しない）を構成する電池の正の電極（以下、正極という。）と負の電極（同、負極という。）の間を繋いでいる。電池集合体は、正極と負極を有する複数の電池が互いに異なる極性の電極を隣り合わせて配列して構成されている。各電池は、例えば矩形や円形の平板状をなし、上部の一端側に正極、他端側に負極がそれぞれ円柱状に突出してナットが螺合可能に構成することができる。これらの電池は、正極と負極が隣り合うように交互に向きを入れ換えて配置され、一対の板状部材（エンドプレート）の間に挟み込まれる。そして、これらのエンドプレートが固定部材（帯状のバンドや金属板等）で固定されることで、複数の電池が束ねられて電池集合体が構成される。   The bus bar 2 connects between a positive electrode (hereinafter referred to as a positive electrode) and a negative electrode (hereinafter referred to as a negative electrode) of a battery constituting a battery assembly (not shown). In the battery assembly, a plurality of batteries each having a positive electrode and a negative electrode are arranged by arranging electrodes having different polarities next to each other. Each battery has, for example, a rectangular or circular flat plate shape, and can be configured such that a positive electrode protrudes from one end of the upper portion and a negative electrode protrudes in a cylindrical shape from the other end, so that a nut can be screwed together. These batteries are alternately arranged so that the positive electrode and the negative electrode are adjacent to each other, and are sandwiched between a pair of plate-like members (end plates). Then, these end plates are fixed by a fixing member (such as a band-shaped band or a metal plate), whereby a plurality of batteries are bundled to form a battery assembly.

この場合、バスバ２は、隣り合う電池の正極及び負極が挿通される一対の孔（以下、電極孔という。）２ａを有しており、例えば電極孔２ａに挿通された電極（正極及び負極）にナット等を螺合させることで電池に固定できるようになっている。また、バスバ２には、電池の電圧（電極孔２ａに挿通された電極間の電位差）を検出するための端子２１が接続されている。端子２１は、導体平板を打ち抜き加工や折り曲げ加工等することによって形成され、電線４の一端側が接続されて該電線４と電気的に導通されるようになっている。これにより、電線４は端子２１を介してバスバ２に電気的に接続される。   In this case, the bus bar 2 has a pair of holes (hereinafter referred to as electrode holes) 2a through which the positive electrode and the negative electrode of adjacent batteries are inserted. For example, electrodes (positive electrode and negative electrode) inserted into the electrode hole 2a. It can be fixed to the battery by screwing a nut or the like. The bus bar 2 is connected to a terminal 21 for detecting battery voltage (potential difference between electrodes inserted into the electrode hole 2a). The terminal 21 is formed by punching or bending a conductive flat plate, and one end side of the electric wire 4 is connected to be electrically connected to the electric wire 4. Thereby, the electric wire 4 is electrically connected to the bus bar 2 via the terminal 21.

電線４は、例えば導電性を有する導体と、該導体の外周を覆う絶縁被覆を備えた構成とすることができる。かかる導体は複数の芯線を撚り合わせた構成であってもよいし、単一の芯線で構成されていても構わない。そして、電線４は、他端側（端子接続側とは反対側）が電圧検出回路に接続されて、電池の電圧（電極孔２ａに挿通された電極間の電位差）を該電圧検出回路に出力している。   The electric wire 4 can be configured to include, for example, a conductive conductor and an insulating coating covering the outer periphery of the conductor. Such a conductor may have a configuration in which a plurality of core wires are twisted together, or may be configured by a single core wire. The other end of the electric wire 4 (the side opposite to the terminal connection side) is connected to the voltage detection circuit, and the battery voltage (potential difference between the electrodes inserted into the electrode hole 2a) is output to the voltage detection circuit. doing.

ケース６は絶縁材で構成され、バスバ２及び電線４を収容する一対の収容部６１と、一対の収容部６１を連結する連結部６２を有している。一対の収容部６１は、正極と負極が交互に並んで電池の配列方向（図１に示すＸ方向）と交差する方向（同図に示すＹ方向）の両側で列をなす電池集合体の複数の電極に対応して、各列の電極に沿って延在しており、Ｘ方向の一端側で連結部６２によって連結されて一体化されている。なお、ケース６は、上部が絶縁カバー（図示しない）で覆われるようになっている。   The case 6 is made of an insulating material, and includes a pair of housing portions 61 that house the bus bar 2 and the electric wires 4, and a connecting portion 62 that connects the pair of housing portions 61. The pair of accommodating portions 61 includes a plurality of battery assemblies in which positive electrodes and negative electrodes are alternately arranged to form a row on both sides in a direction (Y direction shown in FIG. 1) that intersects the battery arrangement direction (X direction shown in FIG. 1). The electrodes extend along the electrodes in each row, and are connected and integrated by a connecting portion 62 on one end side in the X direction. The case 6 is configured such that the upper part is covered with an insulating cover (not shown).

収容部６１は、複数のバスバ２を一つずつ嵌め込んで収容する枠状のバスバ収容部６３と、各バスバ２に接続された電線４をそれぞれ配索する樋状の電線収容部６５を備えて構成されている。バスバ収容部６３は、各バスバ２を収容する収容体がバスバ２の数だけＸ方向に連結されて構成されている。電線収容部６５は、バスバ収容部６３の外側に該バスバ収容部６３と連なって設けられており、バスバ収容部６３とは反対側の側縁（外縁）に設けられた可倒式の蓋部６５ａで配索した複数の電線４を覆うことができるようになっている。図１には、蓋部６５ａを閉じて電線４を覆った状態を示している   The accommodating portion 61 includes a frame-shaped bus bar accommodating portion 63 that accommodates and accommodates a plurality of bus bars 2 one by one, and a hook-shaped electric wire accommodating portion 65 that routes the electric wires 4 connected to each bus bar 2. Configured. The bus bar accommodating portion 63 is configured by connecting the accommodating bodies for accommodating the bus bars 2 in the X direction by the number of the bus bars 2. The electric wire housing portion 65 is provided outside the bus bar housing portion 63 so as to be continuous with the bus bar housing portion 63, and a retractable lid portion provided on the side edge (outer edge) opposite to the bus bar housing portion 63. The plurality of electric wires 4 routed by 65a can be covered. In FIG. 1, the state which closed the cover part 65a and covered the electric wire 4 is shown.

また、ケース６には、複数の電線４を外部へ引き出す電線引出部６７が設けられている。図２は、電線引出部６７の構成を示すためにケース６の一部を拡大して示す斜視図である。なお、図２には、便宜上バスバ収容部６３に収容されるバスバ２及び電線収容部６５に収容される電線４を省略して示すとともに、蓋部６５ａを開いて電線収容部６５を開放した状態を示している。これにより、電線収容部６５に収容して配索されている電線４は、電線引出部６７から外部へ引き出され、電圧検出回路を介して接続相手側機器（例えば、電気自動車やハイブリッド自動車等に搭載される電動モータ）に接続される。   In addition, the case 6 is provided with a wire lead-out portion 67 for pulling out the plurality of wires 4 to the outside. FIG. 2 is an enlarged perspective view showing a part of the case 6 in order to show the configuration of the wire lead-out portion 67. In FIG. 2, the bus bar 2 accommodated in the bus bar accommodating portion 63 and the electric wires 4 accommodated in the electric wire accommodating portion 65 are omitted for convenience, and the lid 65 a is opened and the electric wire accommodating portion 65 is opened. Is shown. Thereby, the electric wire 4 accommodated and wired in the electric wire accommodating part 65 is pulled out from the electric wire lead-out part 67, and is connected to a counterpart device (for example, an electric vehicle, a hybrid car, etc.) via the voltage detection circuit. Connected to an electric motor).

電線引出部６７は、複数の電線４を固定する平板状の電線固定部６９を備えている。電線固定部６９は、電線収容部６５のＸ方向の一端部（連結部６２による一対のケース６の連結側とは反対側の端部）、具体的には樋状をなす電線収容部６５の底部（電線４の配索面）６５ｂの一端部から平板状に伸延し、電線収容部６５から引き出される複数の電線４（以下、電線束４０という。）が載置されるようになっている。   The wire lead portion 67 includes a flat wire fixing portion 69 that fixes the plurality of wires 4. The wire fixing portion 69 is one end portion in the X direction of the wire receiving portion 65 (the end portion opposite to the connecting side of the pair of cases 6 by the connecting portion 62), specifically, the wire receiving portion 65 having a bowl shape. A plurality of electric wires 4 (hereinafter referred to as electric wire bundles 40) extending from one end of the bottom portion (routing surface of the electric wire 4) 65b and drawn out from the electric wire accommodating portion 65 are placed. .

本実施形態において、電線固定部６９は、電線束４０が載置される基部６９ａの側縁から起立された電線係止片（以下、壁部という。）６９ｂを有して断面視略Ｌ字状に構成されている。図２には、基部６９ａの外側縁から起立させて形成された壁部６９ｂの構成例を示している。ただし、これとは逆に壁部（電線係止片）を基部６９ａの内側縁から起立させて形成した構成とすることも可能である。   In the present embodiment, the electric wire fixing portion 69 has an electric wire locking piece (hereinafter referred to as a wall portion) 69b erected from the side edge of the base portion 69a on which the electric wire bundle 40 is placed, and is substantially L-shaped in cross section. Configured. In FIG. 2, the structural example of the wall part 69b formed standing up from the outer edge of the base 69a is shown. However, on the contrary, it is also possible to adopt a configuration in which the wall portion (electric wire locking piece) is formed upright from the inner edge of the base portion 69a.

このように電線固定部６９に壁部６９ｂを形成することで、基部６９ａに載置した電線束４０を壁部６９ｂに係止することができ、載置した電線束４０を電線固定部６９に固定する際、電線束４０を電線固定部６９（基部６９ａ）に対して位置決めして該電線束４０の形状を安定させることができる。電線束４０の形状を安定させることで、固定作業中の電線束４０のばらつきが抑制され、一定の固定強度を保つことが可能となる。   Thus, by forming the wall part 69b in the electric wire fixing part 69, the electric wire bundle 40 mounted in the base part 69a can be latched to the wall part 69b, and the electric wire bundle 40 mounted in the electric wire fixing part 69 is attached to the electric wire fixing part 69. When fixing, the electric wire bundle 40 can be positioned with respect to the electric wire fixing part 69 (base part 69a), and the shape of the electric wire bundle 40 can be stabilized. By stabilizing the shape of the wire bundle 40, variations in the wire bundle 40 during the fixing operation are suppressed, and a fixed fixing strength can be maintained.

また、このように電線固定部６９を基部６９ａと壁部６９ｂで構成することで、かかる電線固定部６９を断面視略Ｌ字状の構造とすることができる。したがって、電線固定部６９に対してＹ方向から作用される荷重は基部６９ａで負荷することができるのみならず、Ｚ方向から作用される荷重は壁部６９ｂで負荷することができる。このため、例えばＺ方向から荷重が作用された場合であっても壁部６９ｂがリブとして機能し、電線固定部６９が折れ曲がるなどの損傷を抑制することができる。なお、電線固定部６９に対してＸ方向から作用される荷重は基部６９ａ及び壁部６９ｂの双方をリブとして確実に負荷することができる。すなわち、基部のみの平板構造と比べて電線固定部６９（電線引出部６７）の強度を高めることができる。   In addition, by configuring the electric wire fixing portion 69 with the base portion 69a and the wall portion 69b in this way, the electric wire fixing portion 69 can have a substantially L-shaped structure in cross section. Therefore, the load applied from the Y direction to the electric wire fixing portion 69 can be applied not only by the base portion 69a, but also the load applied from the Z direction can be applied by the wall portion 69b. For this reason, for example, even when a load is applied from the Z direction, the wall portion 69b functions as a rib, and damage such as bending of the wire fixing portion 69 can be suppressed. Note that the load applied to the electric wire fixing portion 69 from the X direction can be reliably loaded with both the base portion 69a and the wall portion 69b as ribs. That is, the strength of the electric wire fixing portion 69 (electric wire drawing portion 67) can be increased as compared with the flat plate structure having only the base portion.

電線束４０は、例えば粘着テープを巻き付けることで電線固定部６９に固定することが可能であるが、本実施形態ではより安定して固定させるため、図３に示すように結束バンド８を用いて電線束４０を電線固定部６９に固定している。結束バンド８は、帯状のバンド部８１の一端にロック部８２を有し、被結束部材（電線束４０）に巻き付けたバンド部８１の他端をロック部８２に通して締め付け、該被結束部材を結束（緊結）する。   The wire bundle 40 can be fixed to the wire fixing portion 69 by, for example, winding an adhesive tape. However, in order to fix the wire bundle 40 more stably in this embodiment, a binding band 8 is used as shown in FIG. The wire bundle 40 is fixed to the wire fixing portion 69. The binding band 8 has a lock portion 82 at one end of a band-shaped band portion 81, and the other end of the band portion 81 wound around the binding member (wire bundle 40) is passed through the locking portion 82 and tightened. Tighten (tighten).

このため本実施形態において、電線固定部６９には結束バンド８を巻き付けるための切り欠き６４が形成されている。この場合、基部６９ａ及び壁部６９ｂの双方に切り欠き６４ａ,６４ｂを形成しているが、いずれか一方のみに形成した構成とすることも可能である。また、本実施形態では一本の結束バンド８で電線束４０を電線固定部６９に固定する場合を想定しているため、基部６９ａ及び壁部６９ｂにそれぞれ一つずつ切り欠き６４ａ,６４ｂを形成しているが、複数本の結束バンド８で電線束４０を固定することも可能であり、この場合には複数（例えば、結束バンド８と同数）の切り欠きを形成しても構わない。   Therefore, in the present embodiment, the electric wire fixing portion 69 is formed with a notch 64 for winding the binding band 8. In this case, the notches 64a and 64b are formed in both the base portion 69a and the wall portion 69b, but a configuration in which only one of them is formed is also possible. Further, in the present embodiment, since it is assumed that the wire bundle 40 is fixed to the wire fixing portion 69 with the single binding band 8, notches 64a and 64b are formed in the base portion 69a and the wall portion 69b, respectively. However, it is also possible to fix the wire bundle 40 with a plurality of binding bands 8. In this case, a plurality of (for example, the same number as the binding bands 8) notches may be formed.

図２に示すように、基部６９ａの切り欠き６４ａと壁部６９ｂの切り欠き６４ｂは、結束バンド８がＹ方向に沿って巻き付けられるようにＸ方向に対する互いの位置を対応させて形成されている。切り欠き６４ａは、壁部６９ｂの起立側とは反対側（図２におけるＹ方向に対して反対側）の基部６９ａの側縁（内側縁）を矩形状に切り欠いて形成されている。また、切り欠き６４ｂは、壁部６９ｂの幅方向（Ｘ方向）の略中間部位を略矩形状に切り欠いて形成されている。ただし、切り欠き６４ａ,６４ｂの形状は特に限定されず、半円形状や三角形状（Ｖ字形状）など任意の形状で構わない。また、切り欠き６４ａ,６４ｂは、電線固定部６９に固定される電線束４０が基部６９ａに載置された状態で、底部６４１,６４２の位置が電線束４０の載置高さ（図２におけるＺ方向に対する寸法）や載置幅（同図におけるＹ方向に対する寸法）と略同一もしくはこれらよりも僅かに小さくなる（凹む）ように、深さを設定すればよい。   As shown in FIG. 2, the notch 64a of the base portion 69a and the notch 64b of the wall portion 69b are formed in correspondence with each other in the X direction so that the binding band 8 is wound along the Y direction. . The notch 64a is formed by cutting out the side edge (inner edge) of the base 69a on the side opposite to the standing side of the wall 69b (the side opposite to the Y direction in FIG. 2) in a rectangular shape. The cutout 64b is formed by cutting out a substantially intermediate portion in the width direction (X direction) of the wall 69b into a substantially rectangular shape. However, the shape of the notches 64a and 64b is not particularly limited, and may be any shape such as a semicircular shape or a triangular shape (V shape). In addition, the notches 64a and 64b are arranged such that the positions of the bottom portions 641 and 642 are the mounting height of the wire bundle 40 (in FIG. 2) when the wire bundle 40 fixed to the wire fixing portion 69 is placed on the base portion 69a. The depth may be set so as to be substantially the same as or slightly smaller (dented) than the dimension in the Z direction) and the mounting width (dimension in the Y direction in the figure).

なお、本実施形態においては、結束バンド８を巻き付けるために電線固定部６９に切り欠き６４を形成しているが、これに代えて、結束バンド８を挿通するための孔を形成してもよい。   In the present embodiment, the notch 64 is formed in the electric wire fixing portion 69 in order to wind the binding band 8, but instead, a hole for inserting the binding band 8 may be formed. .

このように切り欠き６４（もしくは孔）を形成することで、電線固定部６９に固定される電線束４０を基部６９ａに載置した状態の載置高さよりも壁部６９ｂの起立高さ（図３におけるＺ方向に対する寸法）を高く、また電線束４０の載置幅よりも基部６９ａの幅（同図におけるＹ方向の寸法）を広くしても、電線束４０に巻き付けた結束バンド８を該電線束４０の外周に密着させることができ、結束バンド８で電線束４０を確実に結束（緊結）することができる。また、電線束４０の載置高さよりも壁部６９ｂを高く起立させることができるため、基部６９ａに載置した電線束４０を載置高さの全高に亘って壁部６９ｂに係止させることができ、電線束４０の形状をより安定させて電線固定部６９に固定することができる。   By forming the notches 64 (or holes) in this way, the standing height of the wall portion 69b (see FIG. 5) is higher than the mounting height when the wire bundle 40 fixed to the wire fixing portion 69 is mounted on the base portion 69a. 3) and the width of the base 69a (the dimension in the Y direction in the figure) is larger than the mounting width of the wire bundle 40, the binding band 8 wound around the wire bundle 40 is The wire bundle 40 can be brought into close contact with the outer periphery of the wire bundle 40, and the wire bundle 40 can be securely bound (tightened) by the binding band 8. Further, since the wall portion 69b can be raised higher than the mounting height of the wire bundle 40, the wire bundle 40 placed on the base portion 69a is locked to the wall portion 69b over the entire height of the placement height. Thus, the shape of the wire bundle 40 can be further stabilized and fixed to the wire fixing portion 69.

以上、本発明を一実施形態に基づいて説明したが、上述した実施形態は本発明の例示に過ぎないものであり、本発明は上述した実施形態の構成のみに限定されるものではない。したがって、本発明の要旨の範囲で変形又は変更された形態で実施することが可能であることは、当業者にあっては明白なことであり、そのような変形又は変更された形態が本願の特許請求の範囲に属することは当然のことである。   As mentioned above, although this invention was demonstrated based on one embodiment, embodiment mentioned above is only an illustration of this invention and this invention is not limited only to the structure of embodiment mentioned above. Accordingly, it is obvious to those skilled in the art that the present invention can be implemented in a form that has been modified or changed within the scope of the gist of the present invention. It goes without saying that it belongs to the claims.

２ バスバ
４ 電線
６ 収容部材（ケース）
６７ 電線引出部
６９ 電線固定部
６９ｂ 電線係止片 2 Bus bar 4 Electric wire 6 Housing member (case)
67 Electric wire drawing part 69 Electric wire fixing part 69b Electric wire locking piece

Claims (1)

正の電極と負の電極を有する複数の電池が互いに異なる極性の電極を隣り合わせて配列されてなる電池集合体に取り付けられて、隣り合う電池の正の電極と負の電極をそれぞれ繋ぐ複数のバスバと、
各バスバにそれぞれ電気的に接続される複数の電線と、
前記複数のバスバと前記複数の電線を収容する収容部材とを備え、
前記収容部材のうち前記複数の電線を収容する電線収容部材は樋状に形成されて、前記複数の電線を外部へ引き出す電線引出部が設けられ、
前記電線引出部は、前記電線収容部材の前記電池の配列方向の一端から樋状の底部を伸延してなる前記複数の電線を固定する平板状の電線固定部を有してなり、
前記電線固定部は、前記複数の電線が載置される平板状の基部と該基部の一方の側縁から起立された壁部とからなる断面がＬ字状に形成され、前記基部と前記壁部の対応する位置の側縁に、それぞれ前記複数の電線を結束する結束バンドを係止する矩形状の切り欠きが設けられてなり、
前記切り欠きの深さは、引き出される前記複数の電線の束を前記基部に載置したときの載置高さ及び載置幅と略同一又は僅かに小さく設定されてなることを特徴とするバスバモジュール。 A plurality of bus bars are attached to a battery assembly in which a plurality of batteries having positive and negative electrodes are arranged side by side with electrodes of different polarities, and respectively connect positive and negative electrodes of adjacent batteries. When,
A plurality of electric wires electrically connected to each bus bar;
A housing member for housing the plurality of bus bars and the plurality of electric wires;
The wire receiving member for accommodating a plurality of electric wires of the housing member is formed in a gutter shape, the wire lead-out portion is provided to draw the plurality of electric wires to the outside,
The wire lead portion has a flat wire fixing portion for fixing the plurality of wires formed by extending a bowl-shaped bottom portion from one end of the battery housing member in the battery arrangement direction ,
The electric wire fixing portion is formed in an L-shaped cross section including a flat base portion on which the plurality of electric wires are placed and a wall portion erected from one side edge of the base portion, and the base portion and the wall A rectangular notch that locks a binding band that binds the plurality of electric wires is provided on the side edge of the corresponding position of the part,
The depth of the notch is set to be substantially the same as or slightly smaller than the placement height and placement width when the bundle of the plurality of drawn wires is placed on the base. module.
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JP5741230B2 (en) * 2011-06-09 2015-07-01 株式会社オートネットワーク技術研究所 Battery wiring module
JP5779010B2 (en) * 2011-06-22 2015-09-16 矢崎総業株式会社 Bus bar module structure
JP5809465B2 (en) * 2011-07-05 2015-11-11 矢崎総業株式会社 Electric wire routing device

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