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JP6095948B2 - Bus bar module and power supply - Google Patents

Bus bar module and power supply Download PDF

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Publication number
JP6095948B2
JP6095948B2 JP2012243629A JP2012243629A JP6095948B2 JP 6095948 B2 JP6095948 B2 JP 6095948B2 JP 2012243629 A JP2012243629 A JP 2012243629A JP 2012243629 A JP2012243629 A JP 2012243629A JP 6095948 B2 JP6095948 B2 JP 6095948B2
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bus bar
covers
cover
power supply
routing
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JP2014093218A (en
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茂之 小笠原
茂之 小笠原
井上　秀樹
秀樹 井上
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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
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/006—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits the coupling part being secured to apparatus or structure, e.g. duplex wall receptacle
    • 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)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)

Description

本発明は、バスバモジュール及び電源装置に係り、特に、複数の電池を直列に接続するためのバスバモジュールと、当該バスバモジュールを有する電源装置に関する。   The present invention relates to a bus bar module and a power supply device, and more particularly to a bus bar module for connecting a plurality of batteries in series and a power supply device having 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とを併用して走行するハイブリット自動車などには、前記電動モータの駆動源として上記電源装置が搭載されている。この電源装置には、特許文献１に記載されたような一対のバッテリ接続プレートが用いられている。   For example, an electric vehicle that travels using an electric motor, a hybrid vehicle that travels using both an engine and an electric motor, and the like are equipped with the power supply device as a drive source of the electric motor. In this power supply device, a pair of battery connection plates as described in Patent Document 1 is used.

図６に示すバッテリ接続プレート１０１は、一端に正の電極、他端に負の電極を有するバッテリ（角形バッテリ）を交互に逆向きに重ね合わせて形成したバッテリ集合体（図示しない）に取り付けられて、重ね合わせたバッテリ同士を直列に接続するものである。各バッテリ接続プレート１０１は、成形金型を用いて樹脂一体成形される樹脂プレート１０６と、樹脂プレート１０６の一端に位置する第１収容部１０７に嵌め込まれる電源用端子１０５と、樹脂プレート１０６の他端側に位置する複数の第２収容部１０８に嵌め込まれるとともに複数の電池を直列に接続する複数の二つ孔付きバスバ１０３と、これらのバスバ１０３に重ねて接続されて電圧を検出する電圧検出用端子（図示しない）と、を備えて構成されている。第１収容部１０７、及び複数の第２収容部１０８は、複数の電池の重なり方向（矢印Ｙ方向）に沿って連結されている。   The battery connection plate 101 shown in FIG. 6 is attached to a battery assembly (not shown) formed by alternately stacking batteries (square batteries) having a positive electrode at one end and a negative electrode at the other end in opposite directions. Thus, the stacked batteries are connected in series. Each battery connection plate 101 includes a resin plate 106 that is integrally molded with a molding die, a power terminal 105 that is fitted in a first housing 107 located at one end of the resin plate 106, and a resin plate 106. A plurality of two-hole bus bars 103 that are fitted in a plurality of second accommodating portions 108 located on the end side and that connect a plurality of batteries in series, and a voltage detection that is connected to the bus bars 103 so as to detect a voltage. And a terminal for use (not shown). The 1st accommodating part 107 and the some 2nd accommodating part 108 are connected along the overlapping direction (arrow Y direction) of a some battery.

樹脂プレート１０６は、互いに直線上に連結された第１収容部１０７、及び複数の第２収容部１０８と、複数の電圧検出用端子に接続された複数の信号線（図示しない）を矢印Ｙに沿って配索する樋状の配索溝１０９と、配索溝１０９の開口のうち所定位置を覆う複数の溝カバー１１０と、電源用端子１０５に接続された電源線（図示しない）を矢印Ｙに沿って配索するように電源線を保持するフック１１１と、を一体に備えて構成されている。溝カバー１１０は、ヒンジ１１２を介して配索溝１０９の開口端部に１８０度回動自在に連結されている。この溝カバー１１０は、配索溝１０９の開口を露出する開位置と、開位置から１８０度回動されて配索溝１０９の開口を閉じる閉位置と、に変位自在に設けられているとともに、樹脂プレート１０６成形時には、配索溝１０９の開口を覆わない開位置に位置している。   The resin plate 106 has a first housing portion 107 and a plurality of second housing portions 108 that are linearly connected to each other, and a plurality of signal lines (not shown) connected to a plurality of voltage detection terminals indicated by an arrow Y. A hook-shaped routing groove 109 that is routed along, a plurality of groove covers 110 that cover predetermined positions in the opening of the routing groove 109, and a power line (not shown) connected to the power terminal 105 are indicated by arrows Y And a hook 111 for holding the power supply line so as to be routed along. The groove cover 110 is connected to the opening end of the routing groove 109 via a hinge 112 so as to be rotatable by 180 degrees. The groove cover 110 is provided so as to be freely displaceable between an open position that exposes the opening of the routing groove 109 and a closed position that is rotated 180 degrees from the open position to close the opening of the routing groove 109. When the resin plate 106 is molded, the resin plate 106 is located at an open position that does not cover the opening of the routing groove 109.

特開２００４−９８２９５号公報JP 2004-98295 A

しかしながら、上述した従来のバッテリ接続プレート１０１において、樹脂プレート１０６は、その成形時には、複数の溝カバー１１０は開位置に位置しており、その平面視において、フック１１１が形成された位置と重なる位置に溝カバー１１０を形成することができかった。このために、溝カバー１１０を、配索溝１０９の開口全体を覆うように形成することができず、溝カバー１１０が形成されていない部分において、信号線を適切に保護することができないという問題があった。   However, in the above-described conventional battery connection plate 101, the resin plate 106 has a plurality of groove covers 110 in the open position at the time of molding, and overlaps the position where the hook 111 is formed in a plan view. The groove cover 110 could not be formed. For this reason, the groove cover 110 cannot be formed so as to cover the entire opening of the routing groove 109, and the signal line cannot be properly protected in a portion where the groove cover 110 is not formed. was there.

本発明は、配索部内を配索された電線を適切に保護できるバスバモジュール及び電源装置を提供することを目的とする。   An object of this invention is to provide the bus bar module and power supply device which can protect appropriately the electric wire routed in the routing part.

請求項１に記載の本発明は、各電極が直線上に並ぶように配列された複数の電池のうち隣接する電池の電極同士を接続することでこれら複数の電池を直列に接続する複数のバスバと、前記各バスバに接続される電圧検出用端子と、前記複数の電池のうち端部に位置する電池の電極に接続されるとともに負荷に接続される電源用端子と、前記複数のバスバ、前記複数の電圧検出用端子、及び前記電源用端子、を収容するケースと、を備えたバスバモジュールであって、前記ケースは、前記配列方向に沿って設けられて、これら各バスバ、及び各電圧検出用端子を収容する複数の収容部と、前記複数の収容部に並設して設けられ、前記電圧検出用端子に接続される第１電線を前記配列方向に沿って配索させる配索部と、
前記配索部の開口のうち所定範囲を覆う閉位置と、前記配索部の開口を露出する開位置とに変位可能な複数のカバーと、前記複数のカバーが前記開位置にあるとき、前記複数のカバーのうち、互いに間隔をあけて隣り合う一対のカバー間の隙間に設けられるとともに、前記電源用端子に接続される第２電線を保持する電線保持部と、前記複数のカバーが前記閉位置にあるとき、前記隙間に設けられて前記配索部の開口を覆う保護カバーと、を備え、 前記保護カバーは、前記電線保持部に連続して設けられていることを特徴とするバスバモジュールである。 The present invention according to claim 1 is a plurality of bus bars for connecting a plurality of batteries in series by connecting electrodes of adjacent batteries among a plurality of batteries arranged so that each electrode is arranged in a straight line. A voltage detection terminal connected to each bus bar; a power supply terminal connected to a load and connected to a battery electrode located at an end of the plurality of batteries; the plurality of bus bars; A bus bar module including a plurality of voltage detection terminals and a case for accommodating the power supply terminals, wherein the case is provided along the arrangement direction, and each of the bus bars and the voltage detection are provided. A plurality of housing portions for housing the terminals, and a wiring portion provided in parallel with the plurality of housing portions and for routing the first electric wires connected to the voltage detection terminals along the arrangement direction; ,
A plurality of covers displaceable to a closed position that covers a predetermined range of the openings of the routing portion, an open position that exposes the opening of the routing portion, and the plurality of covers are in the open position, Among the plurality of covers, the cover is provided in a gap between a pair of adjacent covers spaced apart from each other, and an electric wire holding portion for holding a second electric wire connected to the power terminal, and the plurality of covers are closed. A protective cover that is provided in the gap and covers the opening of the routing portion when in position, and the protective cover is provided continuously to the wire holding portion. It is.

請求項２に記載の本発明は、請求項１に記載の本発明において、前記電線保持部は、前記配索部に連続して設けられて第２電線を保持する保持部本体と、該保持部本体に保持された前記第２電線を覆う覆い部と、前記保持部本体に対して前記覆い部を回動自在に連結するヒンジと、を一体に備え、前記保護カバーは、前記覆い部に連続して、前記ヒンジから離れる方向に延びて形成されていることを特徴とする。   According to a second aspect of the present invention, in the first aspect of the present invention, the electric wire holding portion is provided continuously with the routing portion and holds the second electric wire, and the holding portion. A cover portion that covers the second electric wire held by the main body and a hinge that rotatably connects the cover portion to the main body, and the protective cover is attached to the cover portion. It is characterized by being continuously extended in a direction away from the hinge.

請求項３に記載の本発明は、請求項２に記載の本発明において、前記覆い部には係止部が設けられ、前記保持部本体には前記係止部に係止する係止受け部が設けられ、前記ヒンジにより前記覆い部及び前記保護カバーが回動されることにより、前記係止部が前記係止受け部に係止されるとともに、前記覆い部が前記保持部本体に保持された前記第２電線を覆う位置に位置付けられて、保護カバーが前記配索部の開口を覆う位置に位置付けられることを特徴とする。   According to a third aspect of the present invention, in the present invention of the second aspect, the cover portion is provided with a locking portion, and the holding portion main body is locked to the locking portion. When the cover and the protective cover are rotated by the hinge, the locking portion is locked to the locking receiving portion, and the covering portion is held by the holding portion main body. Further, the protective cover is positioned at a position covering the second electric wire, and the protective cover is positioned at a position covering the opening of the routing portion.

請求項４に記載の本発明は、正極及び負極が交互に逆向きに重ね合わされた複数の電池から構成された電池集合体と、請求項１乃至請求項３のうちいずれか一項に記載されたバスバモジュールと、を備えたことを特徴とする電源装置である。   The present invention according to claim 4 is described in any one of claims 1 to 3, and a battery assembly including a plurality of batteries in which positive electrodes and negative electrodes are alternately stacked in opposite directions. And a bus bar module.

請求項１、４記載の本発明によれば、バスバモジュールは、ケースは、配列方向に沿って設けられて、これら各バスバ、及び各電圧検出用端子を収容する複数の収容部と、複数の収容部に並設して設けられ、電圧検出用端子に接続される第１電線を配列方向に沿って配索させる配索部と、配索部の開口のうち所定範囲を覆う複数のカバーと、複数のカバーのうち、互いに間隔をあけて隣り合う一対のカバー間の隙間に設けられるとともに、電源用端子に接続される第２電線を保持する電線保持部と、隙間に設けられて配索部の開口を覆う保護カバーと、を備え、保護カバーは、電線保持部に連続して設けられたから、ケースを樹脂一体成形で成形しつつ、保護カバーが、配索部の開口を覆うとともに一対のカバー間の隙間を塞ぐから、第１電線の損傷やショートを防止することができる。即ち、配索部内を配索された第１電線を適切に保護することができる。   According to the first and fourth aspects of the present invention, in the bus bar module, the case is provided along the arrangement direction, and each of the bus bars and the voltage detecting terminals are accommodated in a plurality of accommodating portions, A wiring portion provided in parallel with the housing portion and configured to route the first electric wire connected to the voltage detection terminal along the arrangement direction; and a plurality of covers covering a predetermined range of the openings of the wiring portion; Among the plurality of covers, provided in a gap between a pair of adjacent covers spaced apart from each other, an electric wire holding part for holding the second electric wire connected to the power terminal, and a wiring provided in the gap A protective cover that covers the opening of the wiring portion, and the protective cover is provided continuously to the electric wire holding portion, so that the protective cover covers the opening of the routing portion while forming the case by resin integral molding. Because the gap between the covers of the It is possible to prevent damage and short. That is, the 1st electric wire routed in the routing part can be protected appropriately.

請求項２に記載の本発明によれば、電線保持部は、配索部に連続して設けられて第２電線を保持する保持部本体と、該保持部本体に保持された第２電線を覆う覆い部と、保持部本体に対して覆い部を回動自在に連結するヒンジと、を一体に備え、保護カバーは、覆い部に連続して、ヒンジから離れる方向に延びて形成されたから、従来の構成を流用しつつ、ケースに覆い部及び保護カバーを追加で形成することができ、ケースを成形する金型の変更を最低限にすることができるとともに、コストアップを抑制することができる。   According to this invention of Claim 2, an electric wire holding | maintenance part is provided in the wiring part continuously, The holding | maintenance part main body holding a 2nd electric wire, and the 2nd electric wire hold | maintained at this holding | maintenance part main body. Since the covering cover and the hinge for pivotally connecting the covering part to the holding part main body are integrally provided, the protective cover is formed to extend in a direction away from the hinge continuously to the covering part. A cover and a protective cover can be additionally formed on the case while diverting the conventional configuration, and a change in the mold for molding the case can be minimized, and an increase in cost can be suppressed. .

請求項３に記載の本発明によれば、覆い部には係止部が設けられ、保持部本体には係止部に係止する係止受け部が設けられ、ヒンジにより覆い部及び保護カバーが回動されることにより、係止部が係止受け部に係止されるとともに、覆い部が保持部本体に保持された第２電線を覆う位置に位置付けられて、保護カバーが配索部の開口を覆う位置に位置付けられるから、組立作業の効率化を図ることができる。   According to the third aspect of the present invention, the covering portion is provided with the locking portion, the holding portion main body is provided with the locking receiving portion to be locked to the locking portion, and the covering portion and the protective cover are provided by the hinge. Is rotated so that the locking portion is locked to the locking receiving portion, the cover portion is positioned at a position covering the second electric wire held by the holding portion main body, and the protective cover is arranged in the routing portion. Therefore, the assembly work can be made more efficient.

本発明の一実施の形態にかかる電源装置の分解斜視図である。It is a disassembled perspective view of the power supply device concerning one embodiment of this invention. 前記電源装置を構成するバスバモジュールを示す平面図である。It is a top view which shows the bus bar module which comprises the said power supply device. 前記バスバモジュールの組み立て作業を示す平面図である。It is a top view which shows the assembly operation | work of the said bus bar module. 前記バスバモジュールを構成するカバーが配索部に回動される様子を示す平面図である。It is a top view which shows a mode that the cover which comprises the said bus bar module is rotated by a wiring part. （Ａ）は、図３に示すバスバモジュール一部を違う角度から見た拡大図であり、（Ｂ）は、保護カバーが閉じた状態を示す図である。(A) is the enlarged view which looked at the bus bar module part shown in FIG. 3 from a different angle, (B) is a figure which shows the state which the protective cover closed. 従来のバスバモジュールを示す平面図である。It is a top view which shows the conventional bus bar module.

以下、本発明の一実施の形態にかかるバスバモジュール及び電源装置を図１乃至図５を参照して説明する。   A bus bar module and a power supply device according to an embodiment of the present invention will be described below with reference to FIGS.

図１に示すように、本発明のバスバモジュール１は、同図に示す電池集合体２の側面に取り付けられて電源装置１０を構成するものである。即ち、前記電源装置１０は、電池集合体２と、この電池集合体２の両側面に取り付けられる一対のバスバモジュール１と、で構成されている。また、この電源装置１０は、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とを併用して走行するハイブリッド自動車などに搭載され、前記電動モータに電力を供給するものである。   As shown in FIG. 1, the bus bar module 1 of the present invention is attached to the side surface of the battery assembly 2 shown in FIG. That is, the power supply device 10 includes a battery assembly 2 and a pair of bus bar modules 1 attached to both side surfaces of the battery assembly 2. The power supply device 10 is mounted on an electric vehicle that travels using an electric motor, a hybrid vehicle that travels using both an engine and an electric motor, and supplies power to the electric motor.

電池集合体２は、図１に示すように、複数の電池２０と、これら複数の電池２０を互いに重ねて固定する固定部材（図示しない）と、を有している。また、各電池２０は、箱型の筐体内に電解液が充填された電池本体２１と、この電池本体２１の一方の側面及び、他方の側面からそれぞれ突出した正極２２（請求項中の「電極」に相当）及び負極２３（請求項中の「電極」に相当）と、を有している。これら正極２２及び負極２３は、それぞれ、導電性の金属により円柱状に形成されており、その外周面には、ナット２Ａと螺合するネジ溝が形成されている。   As shown in FIG. 1, the battery assembly 2 includes a plurality of batteries 20 and a fixing member (not shown) that fixes the plurality of batteries 20 so as to overlap each other. Each battery 20 includes a battery main body 21 in which an electrolytic solution is filled in a box-shaped housing, and a positive electrode 22 protruding from one side surface and the other side surface of the battery main body 21 (the “electrode” in the claims). And a negative electrode 23 (corresponding to “electrode” in the claims). Each of the positive electrode 22 and the negative electrode 23 is formed in a cylindrical shape from a conductive metal, and a thread groove that is screwed into the nut 2 </ b> A is formed on the outer peripheral surface thereof.

さらに、複数の電池２０は、これら電池２０の重なり方向に沿って正極２２及び負極２３が直線上に交互に並ぶように配列されている。また、図１中の矢印Ｙは、複数の電池２０の配列方向、及びバスバモジュール１の長手方向を示し、矢印Ｘは、各電池２０の幅方向、即ちバスバモジュール１の幅方向を示し、矢印Ｚは、各電池２０の高さ方向、即ちバスバモジュール１の高さ方向を示している。   Further, the plurality of batteries 20 are arranged so that the positive electrodes 22 and the negative electrodes 23 are alternately arranged in a straight line along the overlapping direction of the batteries 20. 1 indicates the arrangement direction of the plurality of batteries 20 and the longitudinal direction of the bus bar module 1, and the arrow X indicates the width direction of each battery 20, that is, the width direction of the bus bar module 1. Z indicates the height direction of each battery 20, that is, the height direction of the bus bar module 1.

一対のバスバモジュール１は、前述した複数の電池２０を直列接続するものであり、図１、図２に示すように、互いに隣り合う電池２０の正極２２と負極２３とを接続することで複数の電池２０を直列に接続する複数のバスバ３と、各バスバ３に電気的に接続されて各電池２０の電圧を検出する複数の電圧検出用端子４と、各電圧検出用端子４に接続される複数の電圧検出線４０（第１電線）と、複数の電池２０の両端に位置して互いに異なる極性の電極に接続される一対の電源用端子５と、一対の電源用端子５に接続される一対の電源線５０（第２電線）と、これら複数のバスバ３、複数の電圧検出用端子４、一対の電源用端子５、複数の電圧検出線４０、及び一対の電源線５０を収容する一対のケース６と、を有している。なお、図１において電源用端子５、及び電圧検出線４０は省略されている。   The pair of bus bar modules 1 connect the plurality of batteries 20 described above in series. As shown in FIGS. 1 and 2, a plurality of batteries 20 are connected by connecting positive electrodes 22 and negative electrodes 23 of adjacent batteries 20. A plurality of bus bars 3 that connect batteries 20 in series, a plurality of voltage detection terminals 4 that are electrically connected to each bus bar 3 to detect the voltage of each battery 20, and are connected to each voltage detection terminal 4. A plurality of voltage detection lines 40 (first electric wires), a pair of power supply terminals 5 connected to electrodes of different polarities located at both ends of the plurality of batteries 20, and a pair of power supply terminals 5 are connected. A pair of power supply lines 50 (second electric wires) and a plurality of bus bars 3, a plurality of voltage detection terminals 4, a pair of power supply terminals 5, a plurality of voltage detection lines 40, and a pair of power supply lines 50. The case 6 is provided. In FIG. 1, the power supply terminal 5 and the voltage detection line 40 are omitted.

複数のバスバ３は、それぞれ、金属板にプレス加工等が施されて得られるものであり、図３に示すように、板状の金属板に、互いに隣り合う電極の正極２２及び負極２３を挿入する一対の貫通孔３ａが形成された構成である。このバスバ３は、一対の貫通孔３ａに挿入した正極２２及び負極２３にナット２Ａが螺合されることで、これら正極２２及び負極２３に固定されるとともに電気的に接続される。   Each of the plurality of bus bars 3 is obtained by pressing a metal plate or the like, and as shown in FIG. 3, the positive electrode 22 and the negative electrode 23 of electrodes adjacent to each other are inserted into the plate-like metal plate. In this configuration, a pair of through holes 3a are formed. The bus bar 3 is fixed and electrically connected to the positive electrode 22 and the negative electrode 23 by screwing the nut 2A into the positive electrode 22 and the negative electrode 23 inserted into the pair of through holes 3a.

複数の電圧検出用端子４は、それぞれ、金属板にプレス加工等が施されて得られるものであり、図２に示すように、矩形板状の端子本体４１と、この端子本体４１の外縁に連続して形成されるとともに、長手方向が矢印Ｚ方向に沿って延びて形成された長方形板状の底板４２と、この底板４２の幅方向（矢印Ｙ方向）の両端部から立設して形成されて電圧検出線４０の芯線をかしめる一対のかしめ片４３と、を備えている。端子本体４１には、その中央に貫通孔４ａが形成されている。各電圧検出用端子４は、その貫通孔４ａ内に電池２０の正極２２又は負極２３のいずれか一方が挿入されるとともに各バスバ３に重ねられて、各バスバ３と電気的に接続されるとともに、そのかしめ片４３で電圧検出線４０の芯線をかしめて電圧検出線４０と電気的に接続される。   Each of the plurality of voltage detection terminals 4 is obtained by pressing a metal plate or the like. As shown in FIG. 2, a rectangular plate-shaped terminal body 41 and an outer edge of the terminal body 41 are provided. A rectangular plate-like bottom plate 42 that is formed continuously and extending in the direction of arrow Z, and is formed upright from both ends of the bottom plate 42 in the width direction (arrow Y direction). And a pair of caulking pieces 43 for caulking the core wire of the voltage detection line 40. The terminal body 41 is formed with a through hole 4a at the center thereof. Each voltage detection terminal 4 is electrically connected to each bus bar 3 while either one of the positive electrode 22 or the negative electrode 23 of the battery 20 is inserted into the through hole 4a and overlapped with each bus bar 3. The caulking piece 43 caulks the core of the voltage detection line 40 and is electrically connected to the voltage detection line 40.

一対の電源用端子５は、複数の電池２０のうち両端に位置するとともに互いに異なる極性の電極に接続されるとともに負荷に接続されるものである。各電源用端子５は、金属板にプレス加工等が施されて得られるものであり、図１、図２に示すように、長方形板状のに形成されている。各電源用端子５には、その長手方向（矢印Ｚ方向）の一端部に貫通孔５ａが形成され、他端部にかしめ片５１が設けられている。電源用端子５は、その貫通孔５ａ内に複数の電池２０のうち端部に位置する電極が挿入されて、互いに異なる極性の電極と電気的に接続されるとともに、そのかしめ片５１で電源線５０の芯線をかしめて電源線５０と電気的に接続される。   The pair of power supply terminals 5 are located at both ends of the plurality of batteries 20 and are connected to electrodes having different polarities and to a load. Each power source terminal 5 is obtained by pressing a metal plate or the like, and is formed in a rectangular plate shape as shown in FIGS. 1 and 2. Each power supply terminal 5 has a through hole 5a at one end in the longitudinal direction (arrow Z direction), and a caulking piece 51 at the other end. The power supply terminal 5 is inserted into the through hole 5a with an electrode located at an end of the plurality of batteries 20, and is electrically connected to electrodes of different polarities. 50 core wires are caulked to be electrically connected to the power line 50.

ケース６は、図３にも示すように、電池集合体２の上面と略等しい略長方形に形成されており、電池集合体２の上面に重ねられる。ケース６は、各バスバ３とこのバスバ３に重ねられた各電圧検出用端子４とをそれぞれ収容しかつ矢印Ｙ方向に沿って直線上に連結された複数のバスバ収容部７（収容部）と、各電圧検出用端子４及び電源用端子５を収容しかつ複数のバスバ収容部７の矢印Ｙ方向端部に隣接して設けられた一つの端子収容部８と、複数のバスバ収容部７の並び方向（矢印Ｙ方向）に並設して設けられて電圧検出用端子４に接続された電圧検出線４０を矢印Ｙ方向に配索させる樋状の配索部９と、配索部９の開口のうち所定範囲を覆う一対のカバー９Ａ、９Ｂと、一対のカバー９Ａ、９Ｂ間の隙間に設けられて、電源用端子５に接続された電源線５０を矢印Ｙ方向に配索させる電線保持部１１と、一対のカバー９Ａ、９Ｂ間の隙間に設けられて配索部９の開口を覆う保護カバー１７（図１に示す）と、を備えて構成されている。即ち、配索部９の開口はその全体が、一対のカバー９Ａ、９Ｂ及び保護カバー１７で覆われる。   As shown in FIG. 3, the case 6 is formed in a substantially rectangular shape that is substantially equal to the upper surface of the battery assembly 2, and overlaps the upper surface of the battery assembly 2. The case 6 includes a plurality of bus bar accommodating portions 7 (accommodating portions) that accommodate the bus bars 3 and the voltage detection terminals 4 superimposed on the bus bars 3 and are connected in a straight line along the arrow Y direction. One terminal accommodating portion 8 that accommodates each voltage detection terminal 4 and power supply terminal 5 and is provided adjacent to an end in the arrow Y direction of the plurality of bus bar accommodating portions 7, and a plurality of bus bar accommodating portions 7. A hook-shaped routing portion 9 that is provided in parallel in the alignment direction (arrow Y direction) and connects the voltage detection line 40 connected to the voltage detection terminal 4 in the arrow Y direction; A pair of covers 9A and 9B that cover a predetermined range of the opening, and a wire holder that is provided in a gap between the pair of covers 9A and 9B and that routes the power line 50 connected to the power terminal 5 in the arrow Y direction. Opening of the routing portion 9 provided in the gap between the portion 11 and the pair of covers 9A, 9B And the protective cover 17 which covers (shown in FIG. 1), is configured to include a. That is, the entire opening of the routing portion 9 is covered with the pair of covers 9 </ b> A and 9 </ b> B and the protective cover 17.

ケース６には、図３に示すように、複数のバスバ収容部７と配索部９とを連結するとともに、各バスバ収容部７と配索部９とを連通させる複数の連通部１８が設けられている。各連通部１８は樋状に形成されて、各バスバ収容部７からの電圧検出線４０を配索部９に導出させる。このケース６は、配索部９の矢印Ｚ方向の上方側（図３中の上方側）に複数のバスバ収容部７及び端子収容部８が設けられ、配索部９の矢印Ｚ方向の下方側（図３中の下方側）に電線保持部１１が設けられ、複数のバスバ収容部７及び端子収容部８と電線保持部１１との間に配索部９が設けられている。また、ケース６を構成する複数のバスバ収容部７、一つの端子収容部８、配索部９、一対のカバー９Ａ、９Ｂ、電線保持部１１、保護カバー１７、及び複数の連通部１８は、合成樹脂により一体成形されている。   As shown in FIG. 3, the case 6 is provided with a plurality of communication portions 18 that connect the plurality of bus bar accommodating portions 7 and the routing portions 9 and communicate the bus bar accommodating portions 7 with the routing portions 9. It has been. Each communication part 18 is formed in a bowl shape, and the voltage detection line 40 from each bus bar accommodating part 7 is led out to the routing part 9. The case 6 is provided with a plurality of bus bar accommodating portions 7 and terminal accommodating portions 8 on the upper side in the arrow Z direction (upper side in FIG. 3) of the routing portion 9, and below the routing portion 9 in the arrow Z direction. The electric wire holding part 11 is provided on the side (the lower side in FIG. 3), and the wiring part 9 is provided between the plurality of bus bar accommodating parts 7 and the terminal accommodating part 8 and the electric wire holding part 11. In addition, a plurality of bus bar accommodating portions 7, a single terminal accommodating portion 8, a routing portion 9, a pair of covers 9A and 9B, a wire holding portion 11, a protective cover 17, and a plurality of communicating portions 18 constituting the case 6, It is integrally molded with a synthetic resin.

複数のバスバ収容部７は、図１に示すように、それぞれ、バスバ３を表面上に位置付ける長方形板状の底壁７１を有する箱型に形成されている。底壁７１には、電池２０の正極２２、及び負極２３が挿入される一対の貫通孔７ａが形成されている。   As shown in FIG. 1, the plurality of bus bar accommodating portions 7 are each formed in a box shape having a rectangular plate-like bottom wall 71 for positioning the bus bar 3 on the surface. The bottom wall 71 is formed with a pair of through holes 7 a into which the positive electrode 22 and the negative electrode 23 of the battery 20 are inserted.

端子収容部８は、図３に示すように、互いに重ねられた電圧検出用端子４及び電源用端子５を表面上に位置付ける長方形板状の底壁８１を有する樋状に形成されている。底壁８１には、電池２０の正極２２、又は負極２３が挿入される一つの貫通孔（図示しない）が形成されている。この端子収容部８は、その矢印Ｚ方向の下方側端部が、端子収容部８に収容された電圧検出用端子４に接続された電圧検出線４０を配索部９に導出するように配索部９と連通して設けられ、その矢印Ｚ方向の下端部が、電源用端子５に接続された電源線５０を矢印Ｙ方向に沿って配索するように導出させる。   As shown in FIG. 3, the terminal accommodating portion 8 is formed in a bowl shape having a rectangular plate-like bottom wall 81 that positions the voltage detection terminal 4 and the power supply terminal 5 that are overlapped with each other on the surface. The bottom wall 81 is formed with one through hole (not shown) into which the positive electrode 22 or the negative electrode 23 of the battery 20 is inserted. The terminal accommodating portion 8 is arranged so that the lower end portion in the arrow Z direction leads out the voltage detection line 40 connected to the voltage detecting terminal 4 accommodated in the terminal accommodating portion 8 to the routing portion 9. The lower end portion in the arrow Z direction is provided so as to communicate with the cable portion 9 and is led out so as to route the power supply line 50 connected to the power supply terminal 5 along the arrow Y direction.

配索部９は、図３、図４に示すように、電圧検出用端子４に接続された電圧検出線４０を表面上に位置付ける長方形板状の底壁９１と、この底壁９１の幅方向（矢印Ｚ方向）の両端部から立設した両側壁９２Ａ、９２Ｂと、を有して樋状に形成されている。底壁９１は複数箇所が肉抜き（図示しない）されている。両側壁９２Ａ、９２Ｂのうち上方側（連通部１８側）の第１側壁９２Ａには、各カバー９Ａ、９Ｂにそれぞれ設けられた第１ロック部９５に係止する第１ロック受け部９６が設けられている。第１ロック受け部９６は、複数の連通部１８間（即ち連通部１８が設けられていない位置）に設けられ、かつ第１側壁９２Ａの先端部に設けられている。   As shown in FIGS. 3 and 4, the routing portion 9 includes a rectangular plate-shaped bottom wall 91 that positions the voltage detection line 40 connected to the voltage detection terminal 4 on the surface, and the width direction of the bottom wall 91. It has both side walls 92A and 92B erected from both ends in the direction of arrow Z, and is formed in a bowl shape. A plurality of portions of the bottom wall 91 are thinned (not shown). The first side wall 92A on the upper side (communication portion 18 side) of the side walls 92A and 92B is provided with a first lock receiving portion 96 that is engaged with a first lock portion 95 provided on each of the covers 9A and 9B. It has been. The first lock receiving portion 96 is provided between the plurality of communication portions 18 (that is, a position where the communication portion 18 is not provided), and is provided at the distal end portion of the first side wall 92A.

一対のカバー９Ａ、９Ｂは、図３、図４に示すように、配索部９の開口のうち所定範囲を覆うように、矢印Ｙ方向に間隔をあけて並べられている。各カバー９Ａ、９Ｂは、その幅寸法が配索部９の両側壁９２Ａ、９２Ｂ間（矢印Ｚ方向）の寸法と略等しく形成された板状に形成されているとともに、第１ヒンジ９０を介して配索部９に１８０度回動自在に連結されている。各カバー９Ａ、９Ｂの配索部９側（即ち矢印Ｚ方向側）の一方の縁には第１ヒンジ９０が連続して設けられ、他方の縁には、配索部９に設けられた第１ロック受け部９６に係止する第１ロック部９５が設けられている。   As shown in FIGS. 3 and 4, the pair of covers 9 </ b> A and 9 </ b> B are arranged at intervals in the arrow Y direction so as to cover a predetermined range in the opening of the routing portion 9. Each cover 9 </ b> A, 9 </ b> B is formed in a plate shape whose width dimension is substantially equal to the dimension between both side walls 92 </ b> A, 92 </ b> B (arrow Z direction) of the routing portion 9, and through the first hinge 90. And is connected to the routing portion 9 so as to be rotatable by 180 degrees. A first hinge 90 is continuously provided on one edge of each cover 9A, 9B on the wiring section 9 side (that is, on the arrow Z direction side), and a first hinge 90 is provided on the other edge. A first lock portion 95 that is engaged with the one lock receiving portion 96 is provided.

第１ヒンジ９０は、図３に示すように、第１ロック部９５及び第１ロック受け部９６と対応する位置に複数設けられているとともに、配索部９の第２側壁９２Ｂの先端部に連続して設けられている。各第１ヒンジ９０は、矢印Ｙ方向を回転中心軸として、１８０度回動自在に一対のカバー９Ａ、９Ｂに連結されて、各カバー９Ａ、９Ｂを、配索部９の開口を覆う閉位置と、配索部９の開口を露出する開位置とに変位させる。また、ケース６が樹脂一体成形により成形された際（即ち成形された直後）には、一対のカバー９Ａ、９Ｂは、図３、図４に示す開位置に位置付けられている。   As shown in FIG. 3, a plurality of first hinges 90 are provided at positions corresponding to the first lock portions 95 and the first lock receiving portions 96, and at the distal end portion of the second side wall 92 </ b> B of the routing portion 9. It is provided continuously. Each first hinge 90 is connected to a pair of covers 9A and 9B so as to be rotatable by 180 degrees about the arrow Y direction as a rotation center axis, and each cover 9A and 9B is closed to cover the opening of the routing unit 9 And an opening position where the opening of the routing portion 9 is exposed. Further, when the case 6 is molded by resin integral molding (that is, immediately after being molded), the pair of covers 9A and 9B are positioned at the open positions shown in FIGS.

電線保持部１１は、図３に示すように、矢印Ｙ方向に配索された電源線５０をその表面上に載置する板状の保持部本体１２と、この保持部本体１２に載置された電源線５０を覆うコ字状の覆い部１３と、この覆い部１３を保持部本体１２に回動自在に連結する第２ヒンジ１４と、を備えている。この保持部本体１２は、その矢印Ｚ方向の一方側には、配索部９の底壁９１が連続して設けられ、他方側には、第２ヒンジ１４が連続して設けられている。   As shown in FIG. 3, the electric wire holding part 11 is placed on the plate-like holding part main body 12 for placing the power supply line 50 arranged in the arrow Y direction on the surface thereof, and the holding part main body 12. The U-shaped cover portion 13 that covers the power line 50 and the second hinge 14 that rotatably connects the cover portion 13 to the holding portion main body 12 are provided. The holding unit main body 12 has a bottom wall 91 of the routing unit 9 continuously provided on one side in the arrow Z direction, and a second hinge 14 provided continuously on the other side.

保持部本体１２には、図５（Ａ）に示すように、矢印Ｚ方向の配索部９側の端部に、覆い部１３に設けられた係止爪３０（係止部）が係止する係止受け部１９が設けられている。係止受け部１９は、配索部９の第２側壁９２Ｂと対向するように、保持部本体１２から突出して設けられた本体部２４と、係止爪３０が係止する爪受け部２５と、この爪受け部２５に係止爪３０を案内する案内部２６と、を備えている。本体部２４の配索部９側の面の、保持部本体１２側（矢印Ｙ方向）端部には爪受け部２５が設けられ、爪受け部２５の保持部本体１２から離れた側には案内部２６が設けられている。この爪受け部２５は、係止爪３０が係止可能なように本体部２４の一部を切り欠いて形成されている。このため、本体部２４において爪受け部２５が設けられた部分は、薄肉となっていて矢印Ｚ方向に弾性変形可能に設けられている。   As shown in FIG. 5A, the holding body 12 has an engaging claw 30 (an engaging portion) provided in the cover portion 13 at an end on the side of the routing portion 9 in the arrow Z direction. A latch receiving portion 19 is provided. The latch receiving portion 19 is provided so as to protrude from the holding portion main body 12 so as to face the second side wall 92B of the routing portion 9, and the claw receiving portion 25 to which the latch claw 30 latches. The claw receiving portion 25 is provided with a guide portion 26 that guides the locking claw 30. A claw receiving portion 25 is provided at the end of the holding portion main body 12 side (in the arrow Y direction) of the surface of the main body portion 24 on the side of the wiring portion 9, and on the side of the claw receiving portion 25 away from the holding portion main body 12. A guide part 26 is provided. The claw receiving portion 25 is formed by cutting out a part of the main body portion 24 so that the locking claw 30 can be locked. Therefore, the portion of the main body 24 where the claw receiving portion 25 is provided is thin and is provided so as to be elastically deformable in the arrow Z direction.

覆い部１３は、図５（Ａ）（Ｂ）に示すように、天井板２７と、この天井板２７の矢印Ｚ方向の一方の縁から立設した第１立設部２８と、この天井板２７の他方の縁から立設した第２立設部２９と、を備えてコ字状に形成されている。第１立設部２８の天井板２７から離れた端部には、第２ヒンジ１４（請求項中のヒンジ）が連続して設けられている。   As shown in FIGS. 5A and 5B, the cover portion 13 includes a ceiling plate 27, a first standing portion 28 erected from one edge of the ceiling plate 27 in the arrow Z direction, and the ceiling plate. 27, and a second standing portion 29 standing from the other edge, and is formed in a U-shape. A second hinge 14 (hinge in the claims) is continuously provided at an end of the first standing portion 28 away from the ceiling plate 27.

第２立設部２９には、図５（Ａ）に示すように、前述した保持部本体１２の係止受け部１９に係止する係止爪３０と、一対のカバー９Ａ、９Ｂ間の隙間に設けられて配索部９の開口を覆う保護カバー１７と、が設けられている。係止爪３０は、第２立設部２９の先端部から第１立設部２８に向かって突出して設けられている。この係止爪３０は、第１立設部２８の天井板２７から離れた端部よりも、天井板２７から離れた位置に設けられている。   As shown in FIG. 5 (A), the second standing portion 29 has a locking claw 30 that locks with the locking receiving portion 19 of the holding portion main body 12 and a gap between the pair of covers 9A and 9B. And a protective cover 17 that covers the opening of the routing portion 9. The locking claw 30 is provided so as to protrude from the distal end portion of the second standing portion 29 toward the first standing portion 28. The locking claw 30 is provided at a position farther from the ceiling plate 27 than an end portion of the first standing portion 28 away from the ceiling plate 27.

保護カバー１７は、図５（Ａ）に示すように、第２立設部２９の外面の天井板２７側の端部に連続して矢印Ｚ方向の第２ヒンジ１４から離れる方向に沿って延びて形成されたカバー本体１７Ａと、カバー本体１７Ａの縁部から突出して設けられて配索部９の第１側壁９２Ａの外面に重ねられる重なり部１７Ｂと、を備えている。カバー本体１７Ａは、その長手寸法（矢印Ｙ方向）が隣り合うカバー９Ａ、９Ｂ間の隙間の寸法よりも僅かに小さく形成されているとともに、その幅寸法（矢印Ｚ方向）がカバー９Ａ、９Ｂの幅寸法と略等しく形成されている。   As shown in FIG. 5A, the protective cover 17 extends along the direction away from the second hinge 14 in the direction of arrow Z, continuously to the end of the second standing portion 29 on the ceiling plate 27 side. The cover main body 17A formed in this manner, and an overlapping portion 17B that protrudes from the edge of the cover main body 17A and overlaps the outer surface of the first side wall 92A of the routing portion 9 are provided. The cover body 17A is formed so that its longitudinal dimension (arrow Y direction) is slightly smaller than the gap between adjacent covers 9A and 9B, and its width dimension (arrow Z direction) is that of the covers 9A and 9B. It is formed approximately equal to the width dimension.

第２ヒンジ１４は、図５（Ａ）（Ｂ）に示すように、撓み易くするために薄肉に形成されているとともに、その一端が保持部本体１２に連続して設けられているとともに、他端が覆い部１３の第１立設部２８に連続して設けられている。この第２ヒンジ１４は、矢印Ｙ方向を回転中心軸として、覆い部１３及び保護カバー１７を１８０度回動自在になるように連結されて、覆い部１３が保持部本体１２を覆うとともに、保護カバー１７が一対のカバー９Ａ、９Ｂ間の隙間に設けられて配索部９の開口を覆う覆い位置と、保持部本体１２を露出するとともに、一対のカバー９Ａ、９Ｂ間の隙間及び配索部９の開口を露出する露出位置とに変位させる。覆い部１３及び保護カバー１７は、図３、図４に示すように、ケース６が樹脂一体成形により成形された際（即ち成形された直後）には、露出位置に位置付けられている。   As shown in FIGS. 5 (A) and 5 (B), the second hinge 14 is formed thin to facilitate bending, and one end of the second hinge 14 is provided continuously to the holding portion main body 12. The end is provided continuously to the first standing portion 28 of the cover portion 13. The second hinge 14 is connected so that the cover 13 and the protective cover 17 can be rotated by 180 degrees with the arrow Y direction as the rotation center axis, and the cover 13 covers the holding body 12 and is protected. The cover 17 is provided in the gap between the pair of covers 9A and 9B to cover the opening of the routing portion 9, the holding portion main body 12 is exposed, and the gap between the pair of covers 9A and 9B and the routing portion. The opening of 9 is displaced to the exposed position where it is exposed. As shown in FIGS. 3 and 4, the cover 13 and the protective cover 17 are positioned at the exposed position when the case 6 is molded by resin integral molding (that is, immediately after molding).

続いて、上記構成の電源装置１０の組み立て手順を説明する。まず、バスバ３、電圧検出用端子４、電源用端子５、ケース６などを別々に製造しておく。そして、各バスバ３をケース６の各バスバ収容部７に嵌め込み、バスバ３に電圧検出用端子４を重ねる。バスバ収容部７に設けられた一対の貫通孔とバスバ３に設けられた一対の貫通孔３ａとが重なるとともに、バスバ収容部７、及びバスバ３の一対の貫通孔３ａのうち一方に電圧検出用端子４に設けられた貫通孔４ａが重なる。そして、各電圧検出線４０を配索部９及び連通部１８内に配索し、この電圧検出線４０と電圧検出用端子４とを電気的に接続する。そして、一対のカバー９Ａ、９Ｂを、配索部９の開口を覆うように１８０度回動して閉位置に位置付け、第１ロック部９５で第１ロック受け部９６を係止する。   Next, an assembly procedure of the power supply apparatus 10 having the above configuration will be described. First, the bus bar 3, voltage detection terminal 4, power supply terminal 5, case 6 and the like are manufactured separately. Then, each bus bar 3 is fitted into each bus bar accommodating portion 7 of the case 6, and the voltage detection terminal 4 is overlaid on the bus bar 3. The pair of through holes provided in the bus bar housing portion 7 and the pair of through holes 3a provided in the bus bar 3 overlap, and one of the pair of through holes 3a of the bus bar housing portion 7 and the bus bar 3 is for voltage detection. The through holes 4a provided in the terminals 4 overlap. And each voltage detection line 40 is routed in the routing part 9 and the communication part 18, and this voltage detection line 40 and the voltage detection terminal 4 are electrically connected. Then, the pair of covers 9 </ b> A and 9 </ b> B is rotated 180 degrees so as to cover the opening of the routing portion 9 and positioned at the closed position, and the first lock receiving portion 96 is locked by the first lock portion 95.

端子収容部８に電圧検出用端子４を嵌め込み、電圧検出用端子４に電源用端子５を重ねる。端子収容部８に設けられた貫通孔と電圧検出用端子４の貫通孔４ａとが重なるとともに、電源用端子５に設けられた貫通孔５ａとが重なる。そして、電圧検出線４０を配索部９内に配索し、この電圧検出線４０と電圧検出用端子４とを電気的に接続する。   The voltage detection terminal 4 is fitted into the terminal accommodating portion 8, and the power supply terminal 5 is overlaid on the voltage detection terminal 4. The through hole provided in the terminal accommodating portion 8 and the through hole 4 a of the voltage detection terminal 4 overlap, and the through hole 5 a provided in the power supply terminal 5 overlaps. Then, the voltage detection line 40 is routed in the routing unit 9, and the voltage detection line 40 and the voltage detection terminal 4 are electrically connected.

電源線５０を電線保持部１１の保持部本体１２内に収容して矢印Ｙ方向に配索し、この電源線５０と電源用端子５とを電気的に接続する。そして、覆い部１３及び保護カバー１７を露出位置から回動して、係止爪３０を本体部２４の案内部２６に当接させる。さらに係止爪３０を案内部２６に押し付け、案内部２６を矢印Ｚ方向の配索部９から離れた側に弾性変形させ、係止爪３０が爪受け部２５内に進入する。案内部２６が弾性復元して係止爪３０が爪受け部２５に係止する。こうして、覆い部１３及び保護カバー１７が、覆い位置に位置付けられた状態で固定（維持）されて、バスバモジュール１の組み立てが完了する。   The power supply line 50 is accommodated in the holding part main body 12 of the electric wire holding part 11 and wired in the arrow Y direction, and the power supply line 50 and the power supply terminal 5 are electrically connected. Then, the cover portion 13 and the protective cover 17 are rotated from the exposed position, and the locking claw 30 is brought into contact with the guide portion 26 of the main body portion 24. Further, the locking claw 30 is pressed against the guide portion 26, the guide portion 26 is elastically deformed to the side away from the routing portion 9 in the arrow Z direction, and the locking claw 30 enters the claw receiving portion 25. The guide portion 26 is elastically restored, and the locking claw 30 is locked to the claw receiving portion 25. Thus, the cover portion 13 and the protective cover 17 are fixed (maintained) while being positioned at the cover position, and the assembly of the bus bar module 1 is completed.

上述した手順で組み立てられた一対のバスバモジュール１は、電池集合体２の両側面に重ねられ、ケース６の貫通孔７ａ、バスバ３の貫通孔３ａ、電圧検出用端子４の貫通孔４ａを挿入された正極２２、及び負極２３にナット２Ａが螺合されて、電池２０の電極と電源線５０、及び電池２０の電極と電圧検出線４０、を電気的に接続して、電源装置１０の組み立てが完了する。   The pair of bus bar modules 1 assembled in the above-described procedure are stacked on both side surfaces of the battery assembly 2, and the through hole 7a of the case 6, the through hole 3a of the bus bar 3, and the through hole 4a of the voltage detection terminal 4 are inserted. The nut 2A is screwed to the positive electrode 22 and the negative electrode 23, and the electrode of the battery 20 and the power supply line 50 and the electrode of the battery 20 and the voltage detection line 40 are electrically connected to assemble the power supply device 10. Is completed.

このようなバスバモジュール１、及び電源装置１０によれば、ケース６が、配列方向Ｙに沿って設けられて、これら各バスバ３、及び各電圧検出用端子４を収容する複数の収容部７と、複数の収容部７に並設して設けられ、電圧検出用端子４に接続される電圧検出線４０（第１電線）を配列方向Ｙに沿って配索させる配索部９と、配索部９の開口のうち所定範囲を覆う複数のカバー９Ａ、９Ｂと、複数のカバー９Ａ、９Ｂのうち、互いに間隔をあけて隣り合う一対のカバー９Ａ、９Ｂ間の隙間に設けられるとともに、複数の収容部７に並設して設けられて電源用端子５に接続される電源線５０（第２電線）を保持する電線保持部１１と、隙間に設けられて配索部９の開口を覆う保護カバー１７と、を備え、保護カバー１７は、電線保持部１１に連続して設けられたから、ケース６を樹脂一体成形で成形しつつ、保護カバー１７が、配索部９の開口を覆うとともに一対のカバー９Ａ、９Ｂ間の隙間を塞ぐから、電圧検出線４０の損傷やショートを防止することができる。即ち、配索部９内を配索された電圧検出線４０を適切に保護することができる。   According to such a bus bar module 1 and the power supply device 10, the case 6 is provided along the arrangement direction Y, and a plurality of housing portions 7 that house the bus bars 3 and the voltage detection terminals 4. A routing portion 9 provided in parallel with the plurality of accommodating portions 7 and for routing the voltage detection line 40 (first electric wire) connected to the voltage detection terminal 4 along the arrangement direction Y; Among the plurality of covers 9A and 9B that cover a predetermined range of the opening of the portion 9 and the plurality of covers 9A and 9B, a plurality of covers 9A and 9B are provided in a gap between a pair of adjacent covers 9A and 9B, and a plurality of covers An electric wire holding portion 11 that is provided in parallel with the housing portion 7 and holds the power supply line 50 (second electric wire) connected to the power supply terminal 5, and a protection that is provided in the gap and covers the opening of the routing portion 9. A protective cover 17, the electric wire holding part 11. Since the protective cover 17 covers the opening of the routing portion 9 and closes the gap between the pair of covers 9A and 9B while forming the case 6 by resin integral molding, since the case 6 is formed continuously, the voltage detection line 40 Damage and short circuit can be prevented. That is, the voltage detection line 40 routed in the routing unit 9 can be appropriately protected.

なお、上述した実施形態では、係止爪３０は覆い部に設けられ、係止爪３０に係止される係止受け部１９は保持部本体１２に設けられていたが、係止爪３０は保護カバー１７に設けられ、係止爪３０に係止される係止受け部１９は配索部９に設けられていてもよい。   In the above-described embodiment, the locking claw 30 is provided in the cover portion, and the locking receiving portion 19 that is locked to the locking claw 30 is provided in the holding portion main body 12. The latch receiving part 19 provided in the protective cover 17 and latched by the latching claw 30 may be provided in the routing part 9.

また、上述した実施形態は本発明の代表的な形態を示したに過ぎず、本発明は、実施形態に限定されるものではない。即ち、本発明の骨子を逸脱しない範囲で種々変形して実施することができる。   Further, the above-described embodiments are merely representative forms of the present invention, and the present invention is not limited to the embodiments. That is, various modifications can be made without departing from the scope of the present invention.

１ バスバモジュール
１０ 電源装置
２ 電池集合体
３ バスバ
４ 電圧検出用端子
５ 電源用端子
６ ケース
７ バスバ収容部（収容部）
９ 配索部
９Ａ、９Ｂ 一対のカバー
１１ 電線保持部
１７ 保護カバー DESCRIPTION OF SYMBOLS 1 Bus bar module 10 Power supply device 2 Battery assembly 3 Bus bar 4 Voltage detection terminal 5 Power supply terminal 6 Case 7 Bus bar accommodating part (accommodating part)
9 Routing parts 9A, 9B A pair of covers 11 Electric wire holding part 17 Protective cover

Claims (4)

各電極が直線上に並ぶように配列された複数の電池のうち隣接する電池の電極同士を接続することでこれら複数の電池を直列に接続する複数のバスバと、
前記各バスバに接続される電圧検出用端子と、
前記複数の電池のうち端部に位置する電池の電極に接続されるとともに負荷に接続される電源用端子と、
前記複数のバスバ、前記複数の電圧検出用端子、及び前記電源用端子、を収容するケースと、を備えたバスバモジュールであって、
前記ケースは、
前記配列方向に沿って設けられて、これら各バスバ、及び各電圧検出用端子を収容する複数の収容部と、
前記複数の収容部に並設して設けられ、前記電圧検出用端子に接続される第１電線を前記配列方向に沿って配索させる配索部と、
前記配索部の開口のうち所定範囲を覆う閉位置と、前記配索部の開口を露出する開位置とに変位可能な複数のカバーと、
前記複数のカバーが前記開位置にあるとき、前記複数のカバーのうち、互いに間隔をあけて隣り合う一対のカバー間の隙間に設けられるとともに、前記電源用端子に接続される第２電線を保持する電線保持部と、
前記複数のカバーが前記閉位置にあるとき、前記隙間に設けられて前記配索部の開口を覆う保護カバーと、を備え、
前記保護カバーは、前記電線保持部に連続して設けられていることを特徴とするバスバモジュール。 A plurality of bus bars connecting the plurality of batteries in series by connecting the electrodes of adjacent batteries among the plurality of batteries arranged so that each electrode is arranged in a straight line;
A voltage detection terminal connected to each bus bar;
A power supply terminal connected to a load and connected to an electrode of a battery located at an end of the plurality of batteries;
A bus bar module comprising a case for housing the plurality of bus bars, the plurality of voltage detection terminals, and the power supply terminals,
The case is
A plurality of accommodating portions that are provided along the arrangement direction and accommodate the bus bars and the voltage detection terminals;
A wiring portion that is provided side by side in the plurality of housing portions, and that routes the first electric wires connected to the voltage detection terminals along the arrangement direction;
A plurality of covers displaceable to a closed position that covers a predetermined range of the openings of the routing portion and an open position that exposes the openings of the routing portion ;
When the plurality of covers are in the open position, the plurality of covers are provided in a gap between a pair of adjacent covers spaced apart from each other and hold a second electric wire connected to the power supply terminal An electric wire holding part
A protective cover provided in the gap and covering the opening of the routing portion when the plurality of covers are in the closed position ;
The bus bar module, wherein the protective cover is provided continuously to the electric wire holding part. 前記電線保持部は、前記配索部に連続して設けられて第２電線を保持する保持部本体と、該保持部本体に保持された前記第２電線を覆う覆い部と、前記保持部本体に対して前記覆い部を回動自在に連結するヒンジと、を一体に備え、
前記保護カバーは、前記覆い部に連続して、前記ヒンジから離れる方向に延びて形成されていることを特徴とする請求項１記載のバスバモジュール。 The electric wire holding part is provided continuously with the routing part and holds a second electric wire, a covering part covering the second electric wire held by the holding part main body, and the holding part main body A hinge that pivotably connects the cover to the cover,
2. The bus bar module according to claim 1, wherein the protective cover is formed to extend continuously from the cover portion in a direction away from the hinge. 前記覆い部には係止部が設けられ、
前記保持部本体には前記係止部に係止する係止受け部が設けられ、
前記ヒンジにより前記覆い部及び前記保護カバーが回動されることにより、前記係止部が前記係止受け部に係止されるとともに、前記覆い部が前記保持部本体に保持された前記第２電線を覆う位置に位置付けられて、保護カバーが前記配索部の開口を覆う位置に位置付けられることを特徴とする請求項２記載のバスバモジュール。 The covering portion is provided with a locking portion,
The holding part main body is provided with a latch receiving part for latching to the latch part,
The cover portion and the protective cover are rotated by the hinge, whereby the locking portion is locked to the locking receiving portion, and the cover portion is held by the holding portion main body. The bus bar module according to claim 2, wherein the bus bar module is positioned at a position covering the electric wire, and a protective cover is positioned at a position covering the opening of the routing portion. 正極及び負極が交互に逆向きに重ね合わされた複数の電池から構成された電池集合体と、
請求項１乃至請求項３のうちいずれか一項記載のバスバモジュールと、を備えたことを特徴とする電源装置。 A battery assembly composed of a plurality of batteries in which positive and negative electrodes are alternately stacked in opposite directions;
A power supply device comprising: the bus bar module according to any one of claims 1 to 3.
JP2012243629A 2012-11-05 2012-11-05 Bus bar module and power supply Active JP6095948B2 (en)

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JP2012243629A JP6095948B2 (en) 2012-11-05 2012-11-05 Bus bar module and power supply
CN201310528998.8A CN103811706B (en) 2012-11-05 2013-10-30 Busbar module and supply unit

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