JP6372417B2 - Battery wiring module - Google Patents

Battery wiring module Download PDF

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JP6372417B2
JP6372417B2 JP2015082510A JP2015082510A JP6372417B2 JP 6372417 B2 JP6372417 B2 JP 6372417B2 JP 2015082510 A JP2015082510 A JP 2015082510A JP 2015082510 A JP2015082510 A JP 2015082510A JP 6372417 B2 JP6372417 B2 JP 6372417B2
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wire
electric wire
wiring module
battery
battery wiring
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JP2016201336A (en
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川村 光輝
光輝 川村
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Sumitomo Wiring Systems Ltd
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Sumitomo Wiring Systems Ltd
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Priority to JP2015082510A priority Critical patent/JP6372417B2/en
Priority to CN201680020914.1A priority patent/CN107534108B/en
Priority to PCT/JP2016/061130 priority patent/WO2016167159A1/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271Lids or covers for the racks or secondary casings
    • H01M50/273Lids or covers for the racks or secondary casings characterised by the material
    • H01M50/278Organic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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

Description

本発明は、電池配線モジュールに関し、特に高電圧用の二次電池に装着される電池配線モジュールに関する。   The present invention relates to a battery wiring module, and more particularly to a battery wiring module mounted on a high voltage secondary battery.

電気自動車やハイブリッド自動車に搭載される高電圧用(高電圧系)の二次電池は、インバータ回路等を介して走行駆動用またはアシスト用のモータに電力を供給する一方、充電状態に応じ、モータや発電機からの発電電力により充電されるようになっている。   A secondary battery for high voltage (high voltage system) mounted on an electric vehicle or a hybrid vehicle supplies electric power to a motor for driving or assisting via an inverter circuit, etc. It is charged by the power generated from the generator.

このような高電圧用の二次電池は、複数の板状電池をブロック状に積層しつつ直列に接続した電池モジュールで構成されており、隣り合う板状電池の逆極性の電極端子同士を複数のバスバーにより接続する構成となっている。   Such a secondary battery for high voltage is composed of a battery module in which a plurality of plate batteries are connected in series while being stacked in a block shape, and a plurality of electrode terminals having opposite polarities of adjacent plate batteries are connected to each other. It is configured to be connected by a bus bar.

そして、この高電圧用の二次電池には、複数の板状電池の端子電圧を検知することで充電状態を監視できるように、それぞれ対応するバスバーに接触する複数の検知端子付きの検知電線群を樹脂製の保護カバーに収納した電池配線モジュールが装着されている。   And, in this secondary battery for high voltage, a group of detection wires with a plurality of detection terminals that are in contact with the corresponding bus bars so that the state of charge can be monitored by detecting the terminal voltages of the plurality of plate batteries Is mounted in a protective cover made of resin.

この種の電池配線モジュールとしては、例えば複数のバスバー保持部と、複数の検知電線を収納する電線収納溝部と、バスバー保持部から電線収納溝部内に検知電線を導入するための複数の切欠部と、電線収納溝部の両側壁の上部に斜下方に向けて突設された複数の対の電線押え片とを有する樹脂製のカバーを備えたものが知られている(例えば、特許文献1参照)。   As this type of battery wiring module, for example, a plurality of bus bar holding portions, a wire storage groove portion for storing a plurality of detection wires, and a plurality of cutout portions for introducing detection wires from the bus bar holding portion into the wire storage groove portion, In addition, there is known a resin cover having a plurality of pairs of electric wire pressing pieces projecting obliquely downward on the upper side walls of the electric wire storage groove (see, for example, Patent Document 1). .

また、電線収納溝部の片方の側壁の上部に側壁面に対し垂直に電線押え片を突設するとともに、電線収納溝部の側壁の上部背面側にヒンジ結合する蓋部を設け、その蓋部の下面側に電線押え片上から電線溝側に電線を押し出す傾斜面を有するリブを突設したものが知られている(例えば、特許文献2参照)。   In addition, an electric wire pressing piece is provided on the upper side of one side wall of the electric wire storing groove portion so as to project perpendicularly to the side wall surface, and a lid portion is provided on the upper back side of the upper side of the side wall of the electric wire storing groove portion. There is known a rib having an inclined surface that pushes out an electric wire from the wire holding piece to the wire groove side on the side (see, for example, Patent Document 2).

特開2013−161566号公報JP 2013-161666 A 特開2014−233160号公報JP, 2014-233160, A

しかしながら、電線収納溝部の両側壁から溝内に突出する電線押え片を設けた従来の前者の電池配線モジュールにあっては、検知電線(以下、単に電線ともいう)のはみ出しを確実に規制すべく電線押え片の設置数を増やすと、電線収納溝部内に電線を収納する作業の作業性が悪くなるという問題があった。   However, in the former former battery wiring module provided with the electric wire pressing pieces protruding into the groove from both side walls of the electric wire housing groove portion, the protruding of the detection electric wire (hereinafter also simply referred to as an electric wire) should be reliably controlled. When the number of installed wire holding pieces is increased, there is a problem that workability of storing the electric wire in the electric wire storing groove is deteriorated.

また、蓋部の下面側に電線押え片上から電線を押し出すリブを突設した従来の後者の電池配線モジュールにあっては、電線収納溝部の側壁面に対し電線押え片が垂直に突出する構成であったため、電線収納溝部に収納する際に電線が電線押え片に引っ掛ったり電線収納溝部に入った電線の一部が電線押え片の下面から上方に外れたりし易かった。   Further, in the latter latter battery wiring module in which a rib for pushing out the electric wire from above the electric wire holding piece is provided on the lower surface side of the lid portion, the electric wire holding piece protrudes perpendicularly to the side wall surface of the electric wire housing groove. For this reason, when the electric wire is stored in the electric wire storage groove, the electric wire is easily caught by the electric wire holding piece or a part of the electric wire that has entered the electric wire holding groove is easily detached upward from the lower surface of the electric wire holding piece.

そのため、電線が電線押え片の基端側やそこからさらに蓋部のヒンジ側へとはみ出す場合があり、その場合、電線押え片とリブおよび蓋部との間に電線を噛み込む可能性があった。そればかりか、そのような樹脂製保護カバー内での電線の噛み込みが発生しても、外部から容易に視認できないために放置されてしまい、電線にダメージを与える可能性が高くなるため、電池配線モジュールの信頼性が低下してしまうという問題があった。   For this reason, the electric wire may protrude from the proximal end side of the electric wire holding piece or from there to the hinge side of the lid portion, in which case there is a possibility that the electric wire may be caught between the electric wire holding piece and the rib and the lid portion. It was. Not only that, even if the electric wire bites inside such a protective cover made of resin, the battery cannot be easily seen from the outside and is left unattended, which increases the possibility of damage to the electric wire. There was a problem that the reliability of the wiring module was lowered.

本発明は、このような従来の課題を解決するためになされたものであり、検知電線の一部が電線押え片の基端側や蓋部のヒンジ側にはみ出し得る位置にあったとしても、それを外部から容易に視認したり電線収納溝部側に押しこんだりすることができ、電線が噛み込んだままになることを確実に防止することができる信頼性の高い電池配線モジュールを提供することを目的とする。   The present invention has been made to solve such a conventional problem, even if a part of the detection wire is in a position where it can protrude from the proximal end side of the wire pressing piece and the hinge side of the lid portion, To provide a highly reliable battery wiring module that can be easily visually recognized from the outside or pushed into the wire housing groove and can reliably prevent the wire from being caught. With the goal.

本発明に係る電池配線モジュールは、上記目的達成のため、複数の板状電池が積層配置されるとともに直列に接続された電池集合体に対して装着される電池配線モジュールであって、前記複数の板状電池の端子電圧をそれぞれ検出するよう前記複数の板状電池の積層方向に向けて配置された複数の検知電線と、前記複数の検知電線を収納しつつ前記電池集合体に支持される樹脂製保護カバーと、を備え、前記樹脂製保護カバーが、前記複数の検知電線を収納する電線収納溝部と、前記電線収納溝部の両側壁のうち一方の側壁にヒンジ結合し、前記電線収納溝部を閉塞する蓋部と、前記電線収納溝部の内底壁面から離れる前記一方の側壁の上部側に、前記電線収納溝部の内方に向って突出するように設けられた複数の電線押え片と、を有しており、前記蓋部に、前記電線収納溝部を閉塞するときに前記複数の電線押え片のいずれかを収容しつつ前記一方の側壁の上部側に露出させる切欠き穴が形成されていることを特徴とする。   In order to achieve the above object, the battery wiring module according to the present invention is a battery wiring module in which a plurality of plate-like batteries are stacked and attached to a battery assembly connected in series, A plurality of detection wires arranged in the stacking direction of the plurality of plate batteries to detect terminal voltages of the plate cells, and a resin that is supported by the battery assembly while containing the plurality of detection wires A protective cover made of resin, wherein the protective cover made of resin is hinge-coupled to one of the side walls of the wire storage groove and the side walls of the wire storage groove, and the wire storage groove is A lid portion to be closed, and a plurality of wire pressing pieces provided on the upper side of the one side wall away from the inner bottom wall surface of the wire storage groove portion so as to protrude inward of the wire storage groove portion. Have The lid portion is formed with a notch hole that is exposed to the upper side of the one side wall while accommodating any one of the plurality of wire pressing pieces when the wire storing groove portion is closed. To do.

この構成により、本発明の電池配線モジュールでは、検知電線の一部が電線押え片の基端側や蓋部のヒンジ側にはみ出し得る位置にあったとしても、それを切欠き穴を通して外部から容易に視認でき、切欠き穴を通して電線収納溝部側に押し込むこともできる。したがって、検知電線が噛み込んだままになることを確実に防止することができる電池配線モジュールとなる。   With this configuration, in the battery wiring module of the present invention, even if a part of the detection wire is at a position where it can protrude from the proximal end side of the wire holding piece or the hinge side of the lid portion, it can be easily removed from the outside through the notch hole. It can also be visually recognized and can be pushed into the wire housing groove side through the notch hole. Therefore, it becomes a battery wiring module which can prevent reliably that the detection electric wire remains stuck.

本発明の電池配線モジュールにおいては、前記切欠き穴が、前記複数の電線押え片のいずれかに対して少なくとも前記電線収納溝部の溝長さ方向に隙間を隔てる内周縁部を有しているのがよい。   In the battery wiring module of the present invention, the cutout hole has an inner peripheral edge portion that separates a gap in at least the length direction of the wire housing groove portion with respect to any of the plurality of wire pressing pieces. Is good.

この場合、電線収納溝部の溝長さ方向に隙間を適宜設定することで、検知電線の収納状態を容易に目視できるとともに、蓋部を閉じる際に電線押え片上に検知電線の一部がはみ出していたとしても、検知電線にダメージを与えることを確実に防止できる。   In this case, by appropriately setting the gap in the groove length direction of the electric wire storage groove, the storage state of the detection electric wire can be easily observed, and a part of the detection electric wire protrudes on the electric wire presser piece when the lid is closed. Even if this occurs, it is possible to reliably prevent damage to the detection wires.

本発明の電池配線モジュールにおいては、前記複数の電線押え片の基端部が、前記蓋部のヒンジ結合位置より前記電線収納溝部の内底壁面から離れる上方側に位置するとともに、前記複数の電線押え片の突出端部が前記基端部より下方側に位置するように傾斜しているのがよい。   In the battery wiring module of the present invention, the base end portions of the plurality of wire pressing pieces are located on the upper side away from the inner bottom wall surface of the wire housing groove portion from the hinge coupling position of the lid portion, and It is preferable to incline so that the protruding end portion of the presser piece is located below the base end portion.

このようにすると、電線押え片が少なくとも突出端部側で斜下方に傾斜するので、検知電線を電線収納溝部の内方に誘い込み易くなり、かつ、電線収納溝部内に入った検知電線が外方に飛び出し難くなる。また、蓋部を閉じる際に電線押え片上に検知電線が出ていたとしても、その検知電線が蓋部の閉じ方向への回動に伴って電線収納溝部内に押し出され易くなる。   In this case, since the wire holding piece is inclined obliquely downward at least on the protruding end side, it becomes easy to guide the detection wire into the inside of the wire storage groove, and the detection wire entering the wire storage groove is outward. It becomes difficult to jump out. Moreover, even if the detection electric wire has come out on the electric wire pressing piece when the lid portion is closed, the detection electric wire is easily pushed into the electric wire housing groove portion as the lid portion rotates in the closing direction.

本発明の電池配線モジュールにおいては、前記電線収納溝部の内底壁面に近い前記複数の電線押え片の下面側で、前記切欠き穴の前記内周縁部と前記複数の電線押え片とが、同一高さの電線経路規制面を形成していてもよい。   In the battery wiring module of the present invention, the inner peripheral edge portion of the notch hole and the plurality of wire holding pieces are the same on the lower surface side of the plurality of wire holding pieces near the inner bottom wall surface of the wire housing groove. A height electric wire path regulating surface may be formed.

この構成により、蓋部が閉じると、電線収納溝部内の複数の検知電線が電線押え片によって部分的に押圧されることがなく、検知電線にダメージを与え難くなるので、信頼性の高い電池配線モジュールとなる。   With this configuration, when the lid is closed, the multiple detection wires in the wire storage groove are not partially pressed by the wire holding piece, and it is difficult to damage the detection wires. It becomes a module.

本発明によれば、検知電線の一部が電線押え片の基端側や蓋部のヒンジ側にはみ出し得る位置にあったとしても、それを外部から視認したり電線収納溝部側に押しこんだりすることができ、検知電線が噛み込んだままになることを確実に防止することができる信頼性の高い電池配線モジュールを提供することができる。   According to the present invention, even if a part of the detection electric wire is in a position where it can protrude from the proximal end side of the electric wire holding piece or the hinge side of the lid portion, it can be visually recognized from the outside or pushed into the electric wire storage groove portion side. Therefore, it is possible to provide a highly reliable battery wiring module that can reliably prevent the detection electric wire from being stuck.

本発明の一実施の形態に係る電池配線モジュールの要部横断面図である。It is a principal part cross-sectional view of the battery wiring module which concerns on one embodiment of this invention. 本発明の一実施の形態に係る電池配線モジュールの開蓋状態を示す要部斜視図である。It is a principal part perspective view which shows the cover open state of the battery wiring module which concerns on one embodiment of this invention. 本発明の一実施の形態に係る電池配線モジュールの閉蓋状態を示す要部上面図である。It is a principal part top view which shows the closed state of the battery wiring module which concerns on one embodiment of this invention. 本発明の一実施の形態に係る電池配線モジュールの開蓋状態で電線を収納するときの要部横断面図である。It is a principal part cross-sectional view when accommodating an electric wire in the open state of the battery wiring module which concerns on one embodiment of this invention. 本発明の一実施の形態に係る電池配線モジュールの開蓋状態を示す平面図である。It is a top view which shows the cover open state of the battery wiring module which concerns on one embodiment of this invention. 図5のA−A矢視断面図である。It is AA arrow sectional drawing of FIG. 本発明の一実施の形態に係る電池配線モジュールの閉蓋状態を示す平面図である。It is a top view which shows the closed state of the battery wiring module which concerns on one embodiment of this invention. 図7のB−B矢視断面図である。It is BB arrow sectional drawing of FIG. 本発明の一実施の形態に係る電池配線モジュールの開蓋状態を示す斜視図である。It is a perspective view which shows the cover open state of the battery wiring module which concerns on one embodiment of this invention.

以下、本発明を実施するための形態について図面を参照して説明する。   Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

図1ないし図9は、本発明に係る電池配線モジュールの一実施の形態を示している。   1 to 9 show an embodiment of a battery wiring module according to the present invention.

本実施の形態は、本発明を、図示しない電気自動車またはハイブリッド自動車等の車両に高電圧用の二次電池として搭載される電池集合体10に対して着脱可能に装着される電池配線モジュール20に適用したものである。なお、電池集合体10に電池配線モジュール20を装着した状態で、あるいは、複数の電池集合体10にそれぞれ対応する電池配線モジュール20を装着した状態で、車両に搭載される1つの電池パックが形成されるようになっている。   In the present embodiment, the present invention is applied to a battery wiring module 20 that is detachably attached to a battery assembly 10 that is mounted as a secondary battery for high voltage in a vehicle such as an electric vehicle or a hybrid vehicle (not shown). It is applied. In addition, one battery pack mounted on the vehicle is formed in a state where the battery wiring module 20 is mounted on the battery assembly 10 or in a state where the battery wiring modules 20 respectively corresponding to the plurality of battery assemblies 10 are mounted. It has come to be.

まず、本実施の形態の構成について説明する。   First, the configuration of the present embodiment will be described.

図1、図5、図6および図9に示すように、電池集合体10は、それぞれ正極および負極の電極端子11を有する複数の板状電池12がセパレータ13を間に挟んで板厚方向に重なるように積層配置されたものであり、隣り合う各一対の板状電池12の間で近接する各一対の電極端子11の極性が互いに逆極性となるように、複数の板状電池12は交互に逆向きに反転して配置されている。   As shown in FIGS. 1, 5, 6, and 9, the battery assembly 10 includes a plurality of plate batteries 12 each having a positive electrode electrode 11 and a negative electrode terminal 11 in the plate thickness direction with a separator 13 interposed therebetween. The plurality of plate batteries 12 are alternately arranged so that the polarities of each pair of electrode terminals 11 adjacent to each other between each pair of adjacent plate batteries 12 are opposite to each other. It is reversed and placed in the reverse direction.

図9に示すように、各板状電池12は、板状、すなわち、扁平な略直方体形状をなしており、単電位に充電可能な単一の二次電池セル(単電池)あるいは直列に接続するように一体化された複数の二次電池セル(組電池)で構成されている。また、図5および図6に示すように、各板状電池12上面部の長手方向の両端側に正極および負極の電極端子11がそれぞれ上方(外方)に突出するように設けられている。   As shown in FIG. 9, each plate battery 12 has a plate shape, that is, a flat, substantially rectangular parallelepiped shape, and is connected to a single secondary battery cell (single battery) that can be charged to a single potential or in series. It is comprised by the some secondary battery cell (assembled battery) integrated so that. Further, as shown in FIGS. 5 and 6, positive and negative electrode terminals 11 are provided so as to protrude upward (outward) on both ends in the longitudinal direction of the upper surface of each plate battery 12.

複数の板状電池12の複数対の電極端子11は、詳細形状を図示しないが、正極および負極のいずれにおいても、ねじが形成された略円柱状の同一端子形状を有している。   The plurality of pairs of electrode terminals 11 of the plurality of plate-like batteries 12 are not illustrated in detail, but both the positive electrode and the negative electrode have the same terminal shape in a substantially cylindrical shape in which screws are formed.

複数対の電極端子11は、例えば複数対の電極端子11のうち互いに近接する逆極性の各一対の電極端子11同士を相互に接続するように、導体金属板である複数のバスバーによって結合されている。そして、複数のバスバーを介して複数の板状電池12が直列に接続されることで、電池集合体10は、高電圧用の二次電池モジュールとして構成されている。   The plurality of pairs of electrode terminals 11 are coupled by a plurality of bus bars, which are conductive metal plates, so that, for example, a pair of electrode terminals 11 having opposite polarities adjacent to each other among the plurality of pairs of electrode terminals 11 are connected to each other. Yes. And the battery assembly 10 is comprised as a secondary battery module for high voltages by connecting the several plate-shaped battery 12 in series via a some bus bar.

この電池集合体10に装着される電池配線モジュール20は、図5ないし図9に示すように、複数の板状電池12の端子電圧をそれぞれ検出するよう複数の板状電池の積層方向に向けて配置された複数の検知電線21、22と、複数の検知電線21、22を収納しつつ電池集合体10に支持される樹脂製保護カバー30と、を備えている。   As shown in FIGS. 5 to 9, the battery wiring module 20 attached to the battery assembly 10 is directed toward the stacking direction of the plurality of plate batteries so as to detect the terminal voltages of the plurality of plate batteries 12, respectively. A plurality of detection electric wires 21 and 22 arranged, and a resin protective cover 30 supported by the battery assembly 10 while accommodating the plurality of detection electric wires 21 and 22 are provided.

図5に示すように、各検知電線21、22の一端側には、対応する電極端子11にねじ結合するナット16によりバスバーと共に締結される検知端子23が装着されている。   As shown in FIG. 5, a detection terminal 23 that is fastened together with the bus bar by a nut 16 that is screwed to the corresponding electrode terminal 11 is attached to one end side of each of the detection electric wires 21 and 22.

複数の検知電線21、22は、それぞれ絶縁被覆電線で構成されるとともに、複数の板状電池12の積層方向に延在しており、対応する検知端子23の配設位置や配索経路に応じて、互いに異なる長さを有している。また、複数の検知電線21、22の他端側は、それぞれ図示しないコネクタ端子を圧着された状態で、コネクタ25に結合されている。   The plurality of detection electric wires 21 and 22 are each constituted by an insulation-coated electric wire, and extend in the stacking direction of the plurality of plate batteries 12, depending on the arrangement position and the routing route of the corresponding detection terminals 23. And have different lengths. The other ends of the plurality of detection wires 21 and 22 are coupled to the connector 25 with connector terminals (not shown) being crimped.

コネクタ25は、車両に搭載された図示しない充電制御用のECU(電子制御ユニット)に接続されている。これにより、電池集合体10は、その充電状態であるSOC(State Of Charge)を監視され、その充電状態と車両の運転状態とに応じて、所定範囲内の充電状態に制御されるようになっている。   The connector 25 is connected to a charge control ECU (electronic control unit) (not shown) mounted on the vehicle. As a result, the battery assembly 10 is monitored for its state of charge (SOC), and is controlled to a charged state within a predetermined range in accordance with the charged state and the driving state of the vehicle. ing.

樹脂製保護カバー30は、耐熱性や耐薬品性に優れた合成樹脂を用いて射出成形等により作製されており、詳細を図示しないが、電池集合体10に対向する下面側に、複数のバスバーに嵌合して複数のバスバーを保持するバスバー保持部31、32を有している。   The resin protective cover 30 is manufactured by injection molding or the like using a synthetic resin excellent in heat resistance and chemical resistance, and although not shown in detail, a plurality of bus bars are provided on the lower surface facing the battery assembly 10. Bus bar holding portions 31 and 32 that hold the plurality of bus bars.

また、樹脂製保護カバー30は、その上面側に、複数の検知電線21、22を収納する一対の電線収納溝部33、34と、電線収納溝部33、34を上方側から閉塞可能な一対の蓋部35、36とを有している。   Moreover, the protective cover 30 made of resin has a pair of wire storage groove portions 33 and 34 for storing the plurality of detection wires 21 and 22 on its upper surface side, and a pair of lids that can close the wire storage groove portions 33 and 34 from above. Parts 35 and 36.

図5にクロスハッチングで示すように、一対の電線収納溝部33、34は、同図中の上端側で互いに連結された溝形状をなしており、それによって複数の検知電線21、22がコネクタ25側に方向付けられている。   As shown by cross-hatching in FIG. 5, the pair of wire housing grooves 33 and 34 has a groove shape connected to each other on the upper end side in the figure, whereby the plurality of detection wires 21 and 22 are connected to the connector 25. Oriented to the side.

一対の蓋部35、36は、電線収納溝部33、34の両側壁33a、33c、34a、34cのうち外方側に位置する一方の側壁33a、34aの上部にヒンジ結合している。   The pair of lid portions 35 and 36 are hinge-coupled to the upper portions of the side walls 33a and 34a located on the outer side of the side walls 33a, 33c, 34a and 34c of the electric wire housing grooves 33 and 34.

具体的には、一対の蓋部35、36は、それらのヒンジ結合部35a、36aとなる薄肉部を介して電線収納溝部33、34の一方の側壁33a、34aの上部に一体に成形されている。また、一対の蓋部35、36は、回動端側および長手方向の端部側に、複数のスナップフィットタイプの係止爪35b、36bを有している。そして、これら係止爪35b、36bが樹脂製保護カバー30の短手方向の中央付近に配置された複数の係止凹部39a、39bにそれぞれ係止されて、一対の蓋部35、36が閉蓋状態でロックされるようになっている。   Specifically, the pair of lid portions 35 and 36 are integrally formed on the upper portions of the one side walls 33a and 34a of the wire housing groove portions 33 and 34 through thin-wall portions that become the hinge coupling portions 35a and 36a. Yes. The pair of lid portions 35 and 36 have a plurality of snap-fit type locking claws 35b and 36b on the rotation end side and the longitudinal end side. These locking claws 35b, 36b are respectively locked by a plurality of locking recesses 39a, 39b arranged near the center in the short direction of the resin protective cover 30, and the pair of lid portions 35, 36 are closed. It is locked in the lid state.

ここにいう電線収納溝部33、34の一方の側壁33a、34aの上部とは、電線収納溝部33、34の内底壁面33b、34bから離れる側の端部である。   The upper part of one side wall 33a, 34a of the electric wire accommodation groove part 33, 34 here is an end part on the side away from the inner bottom wall surfaces 33b, 34b of the electric wire accommodation groove part 33, 34.

図7および図8に示すように、これら一対の蓋部35、36は、電線収納溝部33、34を上方側から閉塞するとき、電線収納溝部33、34の一方の側壁33a、34a等と共に、電線収納溝部33、34を筒状に閉塞することができるようになっている。   As shown in FIGS. 7 and 8, when the pair of lid portions 35 and 36 closes the wire housing groove portions 33 and 34 from above, the one side wall 33a and 34a of the wire housing groove portions 33 and 34, etc. The electric wire housing grooves 33 and 34 can be closed in a cylindrical shape.

図1および図2に示すように、複数の電線押え片37、38は、電線収納溝部33、34の一方の側壁33a、34aの上部側に、電線収納溝部33、34の内方に向って突出するように設けられている。また、電線収納溝部33、34の内底壁面33b、34b側には、複数の電線押え片37、38を成形型により成形するための逃げ穴33h、34hが形成されている。   As shown in FIGS. 1 and 2, the plurality of wire pressing pieces 37, 38 are arranged on the upper side of one side wall 33 a, 34 a of the wire storage groove 33, 34 and toward the inside of the wire storage groove 33, 34. It is provided to protrude. Further, clearance holes 33h and 34h for forming a plurality of electric wire pressing pieces 37 and 38 with a forming die are formed on the inner bottom wall surfaces 33b and 34b side of the electric wire storing groove portions 33 and 34, respectively.

図1、図2および図5に示すように、一対の蓋部35、36には、電線収納溝部33、34を筒状に閉塞するときに複数の電線押え片37、38のいずれかを収容しつつ一方の側壁33a、34aの上部側に露出させる凹形状の切欠き穴41、42が形成されている。   As shown in FIGS. 1, 2, and 5, the pair of lid portions 35, 36 accommodates one of a plurality of wire pressing pieces 37, 38 when the wire storage groove portions 33, 34 are closed in a cylindrical shape. However, concave cutout holes 41 and 42 are formed to be exposed on the upper side of one of the side walls 33a and 34a.

図3に示すように、切欠き穴41、42は、複数の電線押え片37、38のいずれかに対して少なくとも電線収納溝部33、34の溝長さ方向に検知電線21、22の外径程度の隙間g1、g2を隔てる内周縁部41a、42aを有している。   As shown in FIG. 3, the cutout holes 41, 42 have the outer diameters of the detection wires 21, 22 at least in the groove length direction of the wire storage grooves 33, 34 with respect to any of the plurality of wire pressing pieces 37, 38. Inner peripheral edge portions 41a and 42a separating the gaps g1 and g2 are provided.

電線収納溝部33、34の溝幅方向における、切欠き穴41、42の内周縁部41a、42aと複数の電線押え片37、38の突出端部37b、38bの間の隙間g3は、電線収納溝部33、34の溝長さ方向における隙間g1、g2よりわずかに小さくなっている。具体的には、この隙間g3は、例えば、いずれか1つの電線押え片37(または38)の上に飛び出た1本の検知電線21または22を、その外皮の圧縮および電線押え片37のわずかな撓みを生じさせながら内方に押し込むことができる一方、その電線が外方に戻ることができない程度に設定されている。   A gap g3 between the inner peripheral edge portions 41a and 42a of the cutout holes 41 and 42 and the protruding end portions 37b and 38b of the plurality of wire pressing pieces 37 and 38 in the groove width direction of the wire storage groove portions 33 and 34 is an electric wire storage. The gaps 33 and 34 are slightly smaller than the gaps g1 and g2 in the groove length direction. Specifically, the gap g3 is formed by, for example, compressing the outer sheath of the one detection wire 21 or 22 that protrudes on any one of the wire holding pieces 37 (or 38) and a slight amount of the wire holding piece 37. It is set to such an extent that the electric wire can be pushed inward while causing a slight deflection, while the electric wire cannot return outward.

また、複数の電線押え片37、38の突出端部37b、38bの先端平面形状が所定半径の半円形で、かつ、先端に近いほど薄くなるように上面側がR面取り形状をなしている。   In addition, the upper surface side has an R chamfered shape so that the tip flat shape of the protruding end portions 37b, 38b of the plurality of electric wire pressing pieces 37, 38 is a semicircular shape with a predetermined radius and becomes thinner as it approaches the tip.

切欠き穴41、42の内周縁部41a、42aは、電線押え片37、38との間の隙間を基端部37a、38a側の隙間g1、g2から突出端部37b、38b側の隙間g3へと漸減させるように、図3中の左右の湾曲形状を有している。   The inner peripheral edge portions 41a, 42a of the cutout holes 41, 42 are formed so that the gap between the notch holes 37, 38 is a gap g3 on the protruding end portions 37b, 38b side from the gaps g1, g2 on the base end portions 37a, 38a side. It has the left and right curved shapes in FIG.

図1に示すように、複数の電線押え片37、38は、その基端部37a、38a側で、蓋部35、36のヒンジ結合部35a、36aの形成位置より電線収納溝部33、34の内底壁面33b、34bから離れる上方側に位置している。   As shown in FIG. 1, the plurality of electric wire holding pieces 37, 38 are arranged on the base end portions 37 a, 38 a side of the electric wire receiving groove portions 33, 34 from the positions where the hinge coupling portions 35 a, 36 a of the lid portions 35, 36 are formed. It is located on the upper side away from the inner bottom wall surfaces 33b, 34b.

また、複数の電線押え片37、38は、その突出端部37b、38b側が基端部37a、38a側よりも下方側に位置するように、電線収納溝部33、34の内方に向って斜下方に傾斜している。   The plurality of wire pressing pieces 37, 38 are inclined toward the inside of the wire housing groove portions 33, 34 so that the protruding end portions 37b, 38b are positioned below the base end portions 37a, 38a. Inclined downward.

そして、電線収納溝部33、34の内底壁面33b、34bに近い複数の電線押え片37、38の下面側で、切欠き穴41、42の内周縁部41a、42aと複数の電線押え片37、38とが、同一高さの電線経路規制面43、44(図1、図8参照)を形成している。   And the inner peripheral edge portions 41a and 42a of the cutout holes 41 and 42 and the plurality of wire pressing pieces 37 on the lower surface side of the plurality of wire pressing pieces 37 and 38 close to the inner bottom wall surfaces 33b and 34b of the wire storing groove portions 33 and 34. , 38 form wire path regulating surfaces 43 and 44 (see FIGS. 1 and 8) having the same height.

図4に示すように、各電線収納溝部33、34の溝幅方向における各電線押え片37、38の突出長さWhは、電線押え片37、38の近傍における電線収納溝部33、34の上部開口幅Wgの半分程度である。ただし、各電線押え片37、38の突出長さWhは、各電線収納溝部33、34の溝幅からそこに挿入される複数の検知電線21または22の外径以上の挿入口幅を差し引いた長さ程度であればよい。   As shown in FIG. 4, the protruding length Wh of each wire holding piece 37, 38 in the groove width direction of each wire holding groove 33, 34 is the upper part of the wire holding groove 33, 34 in the vicinity of the wire holding piece 37, 38. It is about half of the opening width Wg. However, the protruding length Wh of each electric wire holding piece 37, 38 is obtained by subtracting the insertion opening width larger than the outer diameter of the plurality of detection electric wires 21 or 22 inserted therein from the groove width of each electric wire storage groove portion 33, 34. Any length is acceptable.

電線収納溝部33、34の溝幅や溝深さが長さ方向に位置によって異なり得ることはいうまでもない。   Needless to say, the groove widths and groove depths of the electric wire housing grooves 33 and 34 may vary depending on the positions in the length direction.

なお、図示はしないが、電池集合体10には、複数の板状電池12を直列に接続するよう、隣り合う各一対の板状電池12の正極側の電極端子11の間に介在するバスバーと、隣り合う各一対の板状電池12の負極側の電極端子11の間に介在するバスバーとが、それぞれ設けられている。また、電池集合体10の積層方向の例えば両端側のバスバーが図示しないインバータ等を含む走行駆動制御装置に高圧電源を供給するように接続される。   Although not shown, the battery assembly 10 includes a bus bar interposed between the electrode terminals 11 on the positive electrode side of each pair of adjacent plate batteries 12 so that the plurality of plate batteries 12 are connected in series. A bus bar interposed between the electrode terminals 11 on the negative electrode side of each pair of adjacent plate batteries 12 is provided. Further, for example, bus bars on both ends in the stacking direction of the battery assembly 10 are connected so as to supply high-voltage power to a travel drive control device including an inverter (not shown).

次に作用について説明する。   Next, the operation will be described.

上述のように構成された本実施形態においては、検知電線21、22の一部が電線押え片37、38の基端側や蓋部35、36のヒンジ結合部35a、36a側にはみ出し得る位置にあったとしても、それを切欠き穴41、42を通して外部から容易に視認できる。さらに、そのような検知電線21、22の一部を、切欠き穴41、42を通して電線収納溝部33、34側に押し込むこともできる。   In the present embodiment configured as described above, a position where a part of the detection wires 21 and 22 can protrude to the proximal end side of the wire holding pieces 37 and 38 and the hinge coupling portions 35a and 36a side of the lid portions 35 and 36. Even if it exists, it can be easily visually recognized from the outside through the notch holes 41 and 42. Furthermore, a part of such detection electric wires 21 and 22 can also be pushed in into the electric wire accommodation groove parts 33 and 34 side through the notch holes 41 and 42. FIG.

したがって、検知電線21、22の一部が樹脂製保護カバー30内で蓋部35、36と電線押え片37、38の間に噛み込んだままになるようなことを確実に防止できる。   Therefore, it is possible to reliably prevent a part of the detection wires 21 and 22 from being stuck between the lid portions 35 and 36 and the wire pressing pieces 37 and 38 in the resin protective cover 30.

また、本実施形態では、図3に示すように、切欠き穴41、42の内周縁部41a、42aが、複数の電線押え片37、38のいずれかに対して、少なくとも電線収納溝部33、34の溝長さ方向において、隙間g1、g2を隔てている。したがって、電線収納溝部33、34の溝長さ方向に隙間g1、g2の大きさを適宜設定することで、検知電線21、22の収納状態を容易に目視できるとともに、蓋部35、36を閉じる際に電線押え片37、38上に検知電線21、22の一部がはみ出していたとしても、検知電線21、22にダメージを与えることを確実に防止することができる。   In the present embodiment, as shown in FIG. 3, the inner peripheral edge portions 41 a, 42 a of the cutout holes 41, 42 are at least the wire receiving groove portion 33, with respect to any of the plurality of wire pressing pieces 37, 38. In the groove length direction of 34, gaps g1 and g2 are separated. Therefore, by appropriately setting the sizes of the gaps g1 and g2 in the groove length direction of the electric wire storage groove portions 33 and 34, the storage state of the detection electric wires 21 and 22 can be easily observed and the lid portions 35 and 36 are closed. Even if some of the detection electric wires 21 and 22 protrude on the electric wire holding pieces 37 and 38, the detection electric wires 21 and 22 can be reliably prevented from being damaged.

さらに、本実施形態では、複数の電線押え片37、38の基端部37a、38aが、蓋部35、36のヒンジ結合部35a、36aの高さ位置より電線収納溝部33、34の内底壁面33b、34bから離れる上方側に位置するとともに、複数の電線押え片37、38の突出端部37b、38bが基端部37a、38aより下方側に位置するように傾斜している。したがって、電線押え片37、38が少なくとも突出端部側で斜下方に傾斜することになり、検知電線21、22を電線収納溝部33、34の内方に誘い込み易くなる。しかも、電線収納溝部33、34内に入った検知電線21、22が外方に飛び出し難くなる。また、蓋部35、36を閉じる際に、電線押え片37、38上に検知電線21、22の一部が出ていたとしても、その検知電線21、22が蓋部35、36の閉じ方向への回動に伴って電線収納溝部33、34内に押し出され易くなる。   Further, in the present embodiment, the base end portions 37a, 38a of the plurality of electric wire pressing pieces 37, 38 are located at the inner bottoms of the electric wire storing groove portions 33, 34 from the height position of the hinge coupling portions 35a, 36a of the lid portions 35, 36. In addition to being positioned on the upper side away from the wall surfaces 33b, 34b, the protruding end portions 37b, 38b of the plurality of wire pressing pieces 37, 38 are inclined so as to be positioned on the lower side of the base end portions 37a, 38a. Therefore, the electric wire holding pieces 37 and 38 are inclined obliquely downward at least on the protruding end side, and the detection electric wires 21 and 22 are easily guided into the electric wire housing grooves 33 and 34. Moreover, it becomes difficult for the detection wires 21 and 22 that have entered the wire housing grooves 33 and 34 to jump out. Further, when the lid portions 35 and 36 are closed, even if some of the detection wires 21 and 22 are on the wire holding pieces 37 and 38, the detection wires 21 and 22 are closed in the closing direction of the lid portions 35 and 36. It becomes easy to be pushed out into the electric wire accommodation groove parts 33 and 34 with rotation to.

加えて、本実施形態では、電線収納溝部33、34の内底壁面33b、34bに近い複数の電線押え片37、38の下面側において、切欠き穴41、42の内周縁部41a、42aと複数の電線押え片37、38とが、同一高さの電線経路規制面43、44を形成している。したがって、蓋部35、36が閉じると、電線収納溝部33、34内の複数の検知電線21、22が電線押え片37、38によって部分的に押圧されることがなく、検知電線21、22に対するダメージをより確実に防止でき、信頼性の高い電池配線モジュールとなる。   In addition, in the present embodiment, the inner peripheral edge portions 41a, 42a of the cutout holes 41, 42 are formed on the lower surface side of the plurality of wire pressing pieces 37, 38 close to the inner bottom wall surfaces 33b, 34b of the wire storage groove portions 33, 34. The plurality of electric wire pressing pieces 37 and 38 form electric wire path regulating surfaces 43 and 44 having the same height. Therefore, when the lid portions 35 and 36 are closed, the plurality of detection wires 21 and 22 in the wire housing grooves 33 and 34 are not partially pressed by the wire holding pieces 37 and 38, and the detection wires 21 and 22 are not pressed. Damage can be more reliably prevented and a highly reliable battery wiring module is obtained.

このように、本実施形態においては、検知電線21、22の一部が電線押え片37、38の基端側や蓋部35、36のヒンジ側にはみ出し得る位置にあったとしても、それを外部から視認したり電線収納溝部33、34側に押しこんだりすることができ、検知電線21、22が噛み込んだままになることを確実に防止することができる信頼性の高い電池配線モジュール20を提供することができる。   Thus, in the present embodiment, even if a part of the detection wires 21 and 22 is located at a position where they can protrude from the proximal end side of the wire holding pieces 37 and 38 and the hinge side of the lid portions 35 and 36, A highly reliable battery wiring module 20 that can be visually recognized from the outside or pushed into the electric wire housing grooves 33 and 34 and can reliably prevent the detection electric wires 21 and 22 from being stuck. Can be provided.

なお、上述の一実施の形態では、蓋部35、36が電線収納溝部33、34の両側壁33a、33c、34a、34cのうち外側の側壁33a、34aにヒンジ結合されていたが、バスバー保持部31、32より内側で内側の側壁にヒンジ結合されてもよい。また、本実施形態では、板状電池12の電極端子11が同一面上に突出するものとしたが、例えば上面と側面に突出してもよい。   In the above-described embodiment, the lid portions 35 and 36 are hinged to the outer side walls 33a and 34a of the side walls 33a, 33c, 34a, and 34c of the electric wire housing grooves 33 and 34. The hinges may be hinged to the inner side walls inside the portions 31 and 32. Moreover, in this embodiment, although the electrode terminal 11 of the plate-shaped battery 12 shall protrude on the same surface, you may protrude on an upper surface and a side surface, for example.

また、複数の電線押え片37、38のうち一部は電線収納溝部33、34の両側壁33a、33c、34a、34cのうちいずれに突設してもよく、切欠き穴41、42は、切欠き凹形状に限らず、開口穴形状でもよい。   Further, some of the plurality of electric wire holding pieces 37 and 38 may protrude from either of the side walls 33a, 33c, 34a, 34c of the electric wire housing groove portions 33, 34. The shape is not limited to the notched concave shape, and may be an open hole shape.

電線収納溝部33、34の溝長さ方向における複数の電線押え片37、38の設置間隔や切欠き穴41、42の形成間隔は、勿論任意であり、1つの切欠き穴41または42の内方に近接する複数の電線押え片37または38が収納されるようにすれば、これらの数が相違することも考えられる。   Of course, the installation interval of the plurality of electric wire pressing pieces 37 and 38 and the formation interval of the cutout holes 41 and 42 in the groove length direction of the electric wire storage groove portions 33 and 34 are arbitrary, and the inside of one cutout hole 41 or 42 is not limited. If a plurality of wire pressing pieces 37 or 38 that are close to each other are accommodated, it is conceivable that these numbers are different.

以上説明したように、本発明は、検知電線の一部が電線押え片の基端側や蓋部のヒンジ側にはみ出し得る位置にあったとしても、それを外部から視認したり電線収納溝部側に押しこんだりすることができ、検知電線が噛み込んだままになることを確実に防止することができる信頼性の高い電池配線モジュールを提供することができる。かかる本発明は、高電圧用の二次電池に装着される電池配線モジュール全般に有用である。   As described above, the present invention allows the detection electric wire to be seen from the outside even if it is in a position where it can protrude from the proximal end side of the electric wire holding piece or the hinge side of the lid portion, or from the electric wire housing groove side. Therefore, it is possible to provide a highly reliable battery wiring module that can reliably prevent the detection electric wire from being stuck. The present invention is useful for all battery wiring modules mounted on high voltage secondary batteries.

10 電池集合体(電池モジュール、高圧の二次電池)
11 電極端子(正極の電極端子、負極の電極端子)
12 板状電池
16 ナット
20 電池配線モジュール
21、22 検知電線
23 検知端子
25 コネクタ
30 樹脂製保護カバー
31、32 バスバー保持部
33、34 電線収納溝部
33a、34a 一方の側壁
33b、34b 内底壁面
33c、34c 他方の側壁
35、36 蓋部
35a、36a ヒンジ結合部
37、38 電線押え片
37a、38a 基端部
37b、38b 突出端部
41、42 切欠き穴
41a、42a 内周縁部
43、44 電線経路規制面
g1、g2、g3 隙間
10 Battery assembly (battery module, high-voltage secondary battery)
11 Electrode terminal (positive electrode terminal, negative electrode terminal)
DESCRIPTION OF SYMBOLS 12 Plate battery 16 Nut 20 Battery wiring module 21, 22 Detection electric wire 23 Detection terminal 25 Connector 30 Resin protective cover 31, 32 Bus-bar holding part 33, 34 Electric wire accommodation groove part 33a, 34a One side wall 33b, 34b Inner bottom wall surface 33c 34c Other side wall 35, 36 Lid portion 35a, 36a Hinge coupling portion 37, 38 Electric wire holding piece 37a, 38a Base end portion 37b, 38b Protruding end portion 41, 42 Notch hole 41a, 42a Inner peripheral edge portion 43, 44 Electric wire Route restriction surface g1, g2, g3 Clearance

Claims (4)

複数の板状電池が積層配置されるとともに直列に接続された電池集合体に対して装着される電池配線モジュールであって、
前記複数の板状電池の端子電圧をそれぞれ検出するよう前記複数の板状電池の積層方向に向けて配置された複数の検知電線と、前記複数の検知電線を収納しつつ前記電池集合体に支持される樹脂製保護カバーと、を備え、
前記樹脂製保護カバーが、前記複数の検知電線を収納する電線収納溝部と、前記電線収納溝部の両側壁のうち一方の側壁にヒンジ結合し、前記電線収納溝部を閉塞する蓋部と、前記電線収納溝部の内底壁面から離れる前記一方の側壁の上部側に、前記電線収納溝部の内方に向って突出するように設けられた複数の電線押え片と、を有しており、
前記蓋部に、前記電線収納溝部を閉塞するときに前記複数の電線押え片のいずれかを収容しつつ前記一方の側壁の上部側に露出させる切欠き穴が形成されていることを特徴とする電池配線モジュール。
A battery wiring module mounted on a battery assembly in which a plurality of plate batteries are stacked and connected in series,
A plurality of detection wires arranged in the stacking direction of the plurality of plate batteries so as to detect terminal voltages of the plurality of plate cells, respectively, and supported by the battery assembly while housing the plurality of detection wires A protective cover made of resin,
The resin protective cover includes a wire storage groove that stores the plurality of detection wires, a lid that is hinged to one of the side walls of the wire storage groove, and closes the wire storage groove, and the wire. A plurality of electric wire pressing pieces provided on the upper side of the one side wall away from the inner bottom wall surface of the storage groove portion so as to protrude inward of the electric wire storage groove portion;
The lid portion is formed with a notch hole that is exposed to the upper side of the one side wall while accommodating any one of the plurality of wire pressing pieces when closing the wire housing groove portion. Battery wiring module.
前記電線収納溝部の前記内底壁面に近い前記複数の電線押え片の下面側で、前記切欠き穴の内周縁部と前記複数の電線押え片とが、同一高さの電線経路規制面を形成していることを特徴とする請求項1に記載の電池配線モジュール。 On the lower surface side of the plurality of wire pressing pieces near the inner bottom wall surface of the wire storing groove portion, the inner peripheral edge portion of the notch hole and the plurality of wire pressing pieces form a wire path regulating surface having the same height. battery wiring module according to claim 1 that is characterized in that. 前記切欠き穴が、前記複数の電線押え片のいずれかに対して少なくとも前記電線収納溝部の溝長さ方向に隙間を隔てる内周縁部を有していることを特徴とする請求項1または請求項2に記載の電池配線モジュール。 The said notch hole has the inner peripheral edge part which divides a clearance gap at least in the groove length direction of the said electric wire accommodation groove part with respect to either of these electric wire holding pieces. Item 3. The battery wiring module according to Item 2. 前記複数の電線押え片の基端部が、前記蓋部のヒンジ結合位置より前記電線収納溝部の内底壁面から離れる上方側に位置するとともに、前記複数の電線押え片の突出端部が前記基端部より下方側に位置するように傾斜していることを特徴とする請求項1ないし請求項3のいずれか1項に記載の電池配線モジュール。 The base end portions of the plurality of wire pressing pieces are positioned on the upper side away from the inner bottom wall surface of the wire receiving groove portion from the hinge coupling position of the lid portion, and the protruding end portions of the plurality of wire pressing pieces are the base portion. The battery wiring module according to any one of claims 1 to 3, wherein the battery wiring module is inclined so as to be positioned on a lower side from the end portion .
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