JP2015065073A - Battery pack structure for battery module or the like - Google Patents

Battery pack structure for battery module or the like Download PDF

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JP2015065073A
JP2015065073A JP2013198943A JP2013198943A JP2015065073A JP 2015065073 A JP2015065073 A JP 2015065073A JP 2013198943 A JP2013198943 A JP 2013198943A JP 2013198943 A JP2013198943 A JP 2013198943A JP 2015065073 A JP2015065073 A JP 2015065073A
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battery pack
battery
battery module
case body
slide rail
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JP6055748B2 (en
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貴人 川村
Takahito Kawamura
貴人 川村
川口　聡
Satoshi Kawaguchi
聡 川口
浩之 初見
Hiroyuki Hatsumi
浩之 初見
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Aisin Keikinzoku Co Ltd
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    • 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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  • Battery Mounting, Suspending (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a battery pack structure which facilitates adjustment of the quantity of batteries to be loaded in accordance with the specifications of a vehicle.SOLUTION: A structure for a battery pack housing a battery module has a case body housing the battery module therein, and a slide rail portion on the outer periphery of the case body. A battery pack housing another battery module can be fitted into the slide rail portion.

Description

本発明は、電池モジュール等を車両に搭載するのに用いる電池パック構造体に関する。   The present invention relates to a battery pack structure used for mounting a battery module or the like on a vehicle.

近年、電池を走行用の動力源に用いる電気自動車，ハイブリッド車，プラグインハイブリッド車等においては、搭載電池の大型化が進んでいる。
例えば、特許文献１にはバッテリ（電池モジュール）の占有スペースを小さくする目的で、格子状に配置された仕切りフレームにベースフレームでバッテリを固定する構造を開示する。
しかし、これでは電池モジュールの積載量が一定であり、車両グレードに合せてそれぞれ専用の仕切りフレームを設計しなければならず、汎用性に劣るものである。
特許文献２には、バッテリモジュール（電池モジュール）のエンドプレートに縦方向の固定部と横方向の固定部を交差する方向に設けることにより車体への固定方向に汎用性をもたせた発明を開示する。
しかし、これでは固定方向が変えられても電池モジュールの積載量には汎用性が無い。 In recent years, in an electric vehicle, a hybrid vehicle, a plug-in hybrid vehicle, and the like that use a battery as a driving power source, the size of the mounted battery is increasing.
For example, Patent Document 1 discloses a structure in which a battery is fixed by a base frame to a partition frame arranged in a lattice shape for the purpose of reducing the space occupied by the battery (battery module).
However, in this case, the load amount of the battery module is constant, and a dedicated partition frame must be designed according to the vehicle grade, which is inferior in versatility.
Patent Document 2 discloses an invention in which versatility is provided in a fixing direction to a vehicle body by providing a vertical fixing portion and a horizontal fixing portion in a direction crossing an end plate of a battery module (battery module). .
However, even if the fixing direction is changed, the load capacity of the battery module is not versatile.

特開平７−６９０７８号公報Japanese Patent Laid-Open No. 7-69078 特開２０１２−２５６４６６号公報JP 2012-256466 A

本発明は、車両の仕様に合せて電池の積載量を調整するのが容易な電池パック構造体の提供を目的とする。   An object of the present invention is to provide a battery pack structure in which it is easy to adjust the load capacity of a battery according to the specification of a vehicle.

本発明に係る電池パック構造体は、内部に電池モジュールを収容したケース体と当該ケース体の外周部にスライドレール部を有し、他の電池モジュールを収容した電池パックを前記スライドレール部に嵌装可能にしたことを特徴とする。
ここで、電池モジュールとは車両の走行駆動源に使用される電池一般を意味し、複数の電池セルを積層したタイプに限らず、筒状体に形成した電池等も含まれる。
電池パックとは、上記電池モジュールを車両に搭載できるように電池モジュールを収容したケース体や、この電池モジュールをプレート体やフレーム体等に取り付けた状態のものをいう。
また、本発明でスライドレール部とは、相互にスライド嵌合できるように一方に凸状のレール部を形成し、他方に凹状のレール部を形成することを意味する。
従って、上記プレート体，フレーム体にはケース体のスライドレール部に嵌合するスライド部を有する。
本発明でケース体の外周部とは、上面部，下面部及び側面部等、外面部全体のいずれか１ヶ所以上をいう。
ここで外周部と表現したのは、枠状のケース体等の場合には枠を形成したフレーム間に跨ってスライドレール部を形成することも考えられるからである。 The battery pack structure according to the present invention has a case body containing a battery module therein and a slide rail portion on the outer periphery of the case body, and a battery pack containing another battery module is fitted into the slide rail portion. It is possible to wear it.
Here, the battery module means a general battery used as a driving drive source for a vehicle, and is not limited to a type in which a plurality of battery cells are stacked, but includes a battery formed in a cylindrical body.
The battery pack means a case body in which the battery module is accommodated so that the battery module can be mounted on a vehicle, or a state in which the battery module is attached to a plate body or a frame body.
In the present invention, the slide rail portion means that a convex rail portion is formed on one side and a concave rail portion is formed on the other side so that they can be slidably fitted to each other.
Therefore, the plate body and the frame body have slide portions that fit into the slide rail portions of the case body.
In the present invention, the outer peripheral portion of the case body refers to any one or more of the entire outer surface portion such as the upper surface portion, the lower surface portion, and the side surface portion.
The reason why the outer peripheral portion is expressed here is that, in the case of a frame-like case body or the like, it is conceivable to form a slide rail portion straddling between frames in which a frame is formed.

本発明は、所定の電気的出力，容量の電池モジュールを内部に収容したケース体の外周部に必要に応じて他の電池パックを嵌装可能にすることで、電池モジュールの積載量を増大することができる点に特徴があり、電池パックはさらに他の電池パックを嵌装可能なスライドレール部を有するようにしてもよい。
また、スライドレール部は嵌装された電池パックのロック保持手段を有するようにすることもできる。
ここで、ロック保持手段とは、スライドレール部に嵌装された電池パックが動かないように固定できる手段をいう。 The present invention increases the load capacity of the battery module by allowing other battery packs to be fitted to the outer periphery of the case body in which the battery module having a predetermined electrical output and capacity is housed. The battery pack may further include a slide rail portion into which another battery pack can be fitted.
Moreover, the slide rail part can also be made to have the lock holding means of the battery pack fitted.
Here, the lock holding means refers to means that can be fixed so that the battery pack fitted to the slide rail portion does not move.

本発明において、ケース体は内部にも当該内部の電池モジュールを嵌装するスライドレール部を有するようになっていてもよい。
電池モジュールを車両に搭載するためのベースとなるケース体に収容する手段としては、ケース体に電池モジュールをボルト，ナット等で固定してもよいが、ケース体の内部にもスライドレール部を設けると、ケース体への電池モジュールの取り付け，取り外しもこの電池モジュールをスライドレール部に嵌装又は引き出すことで行うことができる。 In the present invention, the case body may have a slide rail portion into which the internal battery module is fitted.
As a means for accommodating the battery module in the case body serving as a base for mounting on the vehicle, the battery module may be fixed to the case body with bolts, nuts, etc., but a slide rail portion is also provided inside the case body. The battery module can be attached to and removed from the case body by fitting or pulling out the battery module to or from the slide rail portion.

本発明は、ケース体の外周部に別に設けた電池パックをスライドレール部に沿って嵌装するだけで追加でき、取り外しも容易である。
これにより電池による走行距離を長く設定したいときには、ケース体の外周部（外面部）に電池パックを追加できるので、車両の仕様に応じて電池モジュールの積載量の調整が可能となる。
また、電池パックをスライド嵌装できるので従来のブラケット等にて電池パックを固定するのと比較し、部品点数が少なく電池パックの交換や補修作業が容易になる。 The present invention can be added simply by fitting a battery pack provided separately on the outer peripheral portion of the case body along the slide rail portion, and can be easily removed.
As a result, when it is desired to set the battery travel distance longer, the battery pack can be added to the outer peripheral portion (outer surface portion) of the case body, so that the load amount of the battery module can be adjusted according to the specifications of the vehicle.
In addition, since the battery pack can be slid and fitted, the number of parts is smaller and the battery pack can be easily replaced and repaired compared to fixing the battery pack with a conventional bracket or the like.

ケース体に電池パックを嵌装する例を示す。（ａ）は嵌装前、（ｂ）は嵌装後を示す。The example which inserts a battery pack in a case body is shown. (A) shows before fitting and (b) shows after fitting. ケース体への電池パックを嵌装する各種態様例を示す。（ａ）はケース体の上面に設定、（ｂ）はケース体の上面に複数段に設定、（ｃ）はケース体の下面に吊り下げ設定、（ｄ）はケース体の側部にも設定した例を示す。Examples of various modes for fitting the battery pack to the case body are shown. (A) is set on the upper surface of the case body, (b) is set in multiple steps on the upper surface of the case body, (c) is set to hang on the lower surface of the case body, and (d) is also set on the side of the case body. An example is shown. スライドレール部にロック保持手段を設けた例を示し、（ａ）は電池パックの嵌装前、（ｂ）は嵌装しロックした状態を示す。The example which provided the lock | rock holding means in the slide rail part is shown, (a) is before the battery pack fitting, (b) shows the state which was fitted and locked. 電池パックをスライドレール部に嵌装し、後方側をブラケットで固定する例を示す。An example in which the battery pack is fitted to the slide rail portion and the rear side is fixed with a bracket is shown. 電池モジュールを弾性部材で保持する例を示す。The example which hold | maintains a battery module with an elastic member is shown. スライドレール部の断面図を示し、（ａ）はスペーサーの無い場合、（ｂ）はスペーサーを有する場合を示す。Sectional drawing of a slide rail part is shown, (a) shows the case where there is no spacer, (b) shows the case where it has a spacer.

本発明に係る電池パック構造体の構造例を以下図面に基づいて説明するが、本発明はこれに限定されない。   Although the structural example of the battery pack structure which concerns on this invention is demonstrated based on drawing below, this invention is not limited to this.

図１は、電池パック構造体１０であって、電池モジュールを内部に収容したケース体１１の上部（上面）にスライドレール部１２ａ，１２ｂを設け、外側に他の電池パック２０を嵌装した例を示す。
図１に示したケース体１１は、模式的に表現したものであって略長方形状に外面全体を箱状に覆った例を示すが、内部に電池モジュールを収容したものであればフレーム枠状等、構造に制限はない。
電池パック２０は、内部に電池モジュール１を固定してあり、底部がプレート状に形成してあり、嵌装方向両側に凸状である突片状のスライド部２１ａ，２１ｂを有する。
一方、ケース体１１側には凹状である断面Ｌ字状のスライドレール部１２ａ，１２ｂを有する。
これにより、電池パック２０底部両側のスライド部２１ａ，２１ｂをケース体１１のスライドレール部１２ａ，１２ｂにスライド挿入させ、嵌装することで図１（ｂ）に示すように電池パック２０をケース体１１に追加できる。
この場合に必要に応じてビス，ボルト等の固定部材２２にてスライドレール部とスライド部等を固定する。
本実施例では、ケース体側に凹状のスライドレール部を形成したが、逆にケース体側に凸状のスライド部を形成してもよい。
上記固定方法としては、図３に示すように平面視でベース面１３に略コ字形状の枠状にスライドレール部１４ａ，１４ｂ，１４ｃを形成し、電池モジュール１の底部に設けた突片状のスライド部１ａ，１ｂをこのスライドレール部に嵌装し、電池モジュール１の嵌装方向先端側の突片１ｃをスライドレール部の奥側の凹部１４ｃに挿入、突当てた状態で電池モジュールの後方端をブラケット１５及びビス１５ａで固定するロック保持手段を設けてもよい。
この場合に図４，５に示すように突片１ｃの上面にロック保持手段の１つとして、弾性部材１ｄを取り付け、押圧固定してもよい。
このようにすると、電池モジュール１に伝わる振動を吸収できる。
また、図６（ａ）に示すように電池モジュールの底部突片１ａ，１ｂと電池パック２０のカバー部両端を折り曲げ形成した突片２０ａ，２０ｂをそれぞれ重ね合せてスライド部２１ａ，２１ｂを形成してもよい。
また、図６（ｂ）に示すように電池モジュールの底部プレートの下にクッション性のスペーサー１６を挟み、ロック保持手段としてもよい。
このような電池モジュールの固定方法は、ケース体の外部又は内部の両方に適用できる。 FIG. 1 shows a battery pack structure 10 in which slide rail portions 12a and 12b are provided on an upper portion (upper surface) of a case body 11 in which a battery module is accommodated, and another battery pack 20 is fitted on the outside. Indicates.
The case body 11 shown in FIG. 1 is a schematic representation and shows an example in which the entire outer surface is covered in a box shape in a substantially rectangular shape. However, if the battery module is accommodated inside, the frame body shape is shown. There is no restriction on the structure.
The battery pack 20 has the battery module 1 fixed therein, has a bottom formed in a plate shape, and has projecting piece-like slide portions 21a and 21b that are convex on both sides in the fitting direction.
On the other hand, the case body 11 side has slide rail portions 12a and 12b having a concave L-shaped cross section.
As a result, the slide parts 21a and 21b on both sides of the bottom of the battery pack 20 are slid into the slide rail parts 12a and 12b of the case body 11 and fitted, whereby the battery pack 20 is attached to the case body as shown in FIG. 11 can be added.
In this case, if necessary, the slide rail portion and the slide portion are fixed by a fixing member 22 such as a screw or a bolt.
In the present embodiment, the concave slide rail portion is formed on the case body side, but conversely, a convex slide portion may be formed on the case body side.
As the fixing method, as shown in FIG. 3, slide rail portions 14 a, 14 b, 14 c are formed in a substantially U-shaped frame shape on the base surface 13 in a plan view, and a projecting piece shape provided on the bottom of the battery module 1 The slide parts 1a and 1b of the battery module 1 are fitted into the slide rail part, and the protruding piece 1c at the leading end side in the fitting direction of the battery module 1 is inserted into the recessed part 14c on the back side of the slide rail part and is in contact with the battery module. You may provide the lock holding means which fixes a rear end with the bracket 15 and the bis | screw 15a.
In this case, as shown in FIGS. 4 and 5, an elastic member 1 d may be attached to the upper surface of the projecting piece 1 c as one of the lock holding means and pressed and fixed.
If it does in this way, the vibration transmitted to the battery module 1 can be absorbed.
Also, as shown in FIG. 6 (a), the bottom protrusions 1a and 1b of the battery module and the protrusions 20a and 20b formed by bending both ends of the cover of the battery pack 20 are overlapped to form slide parts 21a and 21b, respectively. May be.
Further, as shown in FIG. 6B, a cushioning spacer 16 may be sandwiched under the bottom plate of the battery module to serve as a lock holding means.
Such a battery module fixing method can be applied both outside and inside the case body.

図２にケース体１１の外周部（外面部）に電池パック２０を嵌装する変形例を示す。
（ａ）は上面部に１つの電池パック２０を取り付けた例を示し、（ｂ）は２段重ねに電池パック２０Ａ，２０Ｂを取り付け、さらに３つ目の電池パック２０Ｃを取り付けた例、（ｃ）は底部を吊り下げ状に電池パック２０を取り付ける例を示す。
（ｄ）は側部にも電池パック２０を取り付けた例を示す。
これらの電池パックには、それぞれ電池モジュール１〜３が収容されている。 FIG. 2 shows a modification in which the battery pack 20 is fitted to the outer peripheral portion (outer surface portion) of the case body 11.
(A) shows an example in which one battery pack 20 is attached to the upper surface part, (b) shows an example in which battery packs 20A and 20B are attached in a two-tiered manner, and a third battery pack 20C is attached, (c) ) Shows an example in which the battery pack 20 is attached so that the bottom is suspended.
(D) shows the example which attached the battery pack 20 also to the side part.
Battery modules 1 to 3 are accommodated in these battery packs, respectively.

１ 電池モジュール
１０ 電池パック構造体
１１ ケース体
１２ａ スライドレール部
２０ 電池パック
２１ａ スライド部 DESCRIPTION OF SYMBOLS 1 Battery module 10 Battery pack structure 11 Case body 12a Slide rail part 20 Battery pack 21a Slide part

Claims (4)

電池モジュールを収容する電池パックの構造であって、
内部に電池モジュールを収容したケース体と当該ケース体の外周部にスライドレール部を有し、
他の電池モジュールを収容した電池パックを前記スライドレール部に嵌装可能にしたことを特徴とする電池パック構造体。 A battery pack structure for housing a battery module,
A case body containing a battery module therein and a slide rail portion on the outer periphery of the case body,
A battery pack structure in which a battery pack containing another battery module can be fitted into the slide rail portion. 前記電池パックはさらに他の電池パックを嵌装可能なスライドレール部を有することを特徴とする請求項１記載の電池パック構造体。   The battery pack structure according to claim 1, wherein the battery pack further includes a slide rail portion into which another battery pack can be fitted. 前記スライドレール部は嵌装された電池パックのロック保持手段を有することを特徴とする請求項１又は２記載の電池パック構造体。   The battery pack structure according to claim 1 or 2, wherein the slide rail portion has lock holding means for the battery pack fitted therein. 前記ケース体は内部にも当該内部の電池モジュールを嵌装するスライドレール部を有することを特徴とする請求項１〜３のいずれかに記載の電池パック構造体。   The battery pack structure according to any one of claims 1 to 3, wherein the case body includes a slide rail portion into which the internal battery module is fitted.
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Publication number Priority date Publication date Assignee Title
CN105633319A (en) * 2015-12-30 2016-06-01 中国电子科技集团公司第十八研究所 Fixing seat for aviation storage battery
JP2018176961A (en) * 2017-04-11 2018-11-15 トヨタ車体株式会社 Vehicular battery tray
CN110506345A (en) * 2017-10-24 2019-11-26 株式会社Lg化学 Battery pack and vehicle including the battery pack
CN111146382A (en) * 2019-11-11 2020-05-12 靖江市亚泰新能源科技有限公司 Echelon utilization energy storage system for power lithium battery

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JP2010123412A (en) * 2008-11-20 2010-06-03 Toshiba Corp Battery pack

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JPS6315566U (en) * 1986-07-15 1988-02-01
JPH1064492A (en) * 1996-08-20 1998-03-06 Nec Corp Portable battery
US20060055369A1 (en) * 2004-09-10 2006-03-16 Achim Duesselberg Device for locking an electric tool with a rechargeable battery pack
JP2010123412A (en) * 2008-11-20 2010-06-03 Toshiba Corp Battery pack

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105633319A (en) * 2015-12-30 2016-06-01 中国电子科技集团公司第十八研究所 Fixing seat for aviation storage battery
JP2018176961A (en) * 2017-04-11 2018-11-15 トヨタ車体株式会社 Vehicular battery tray
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