JP6967475B2 - Protective structure - Google Patents

Protective structure Download PDF

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JP6967475B2
JP6967475B2 JP2018044858A JP2018044858A JP6967475B2 JP 6967475 B2 JP6967475 B2 JP 6967475B2 JP 2018044858 A JP2018044858 A JP 2018044858A JP 2018044858 A JP2018044858 A JP 2018044858A JP 6967475 B2 JP6967475 B2 JP 6967475B2
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side wall
horizontal
rib
wall portion
protective structure
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JP2019160536A (en
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巧 五之治
武徳 小林
秋弘 小崎
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Aisin Keikinzoku Co Ltd
Toyota Motor Corp
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Aisin Keikinzoku Co Ltd
Toyota Motor Corp
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Priority to JP2018044858A priority Critical patent/JP6967475B2/en
Priority to CN201811195663.8A priority patent/CN110271401B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Body Structure For Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Description

本発明は車両に電池モジュール等の重量物を搭載する際に用いられる保護構造体に関する。 The present invention relates to a protective structure used when a heavy object such as a battery module is mounted on a vehicle.

電気自動車、ハイブリッド自転車，プラグインハイブリッド自転車等は、駆動源に電池モジュール，電池パック等と称される二次電池が用いられている。
これらを車両に搭載する際には、衝撃等の外部の荷重から保護する必要があるとともに、走行時に発生する振動に対する耐振動性も要求される。 Electric vehicles, hybrid bicycles, plug-in hybrid bicycles, and the like use secondary batteries called battery modules, battery packs, etc. as drive sources.
When these are mounted on a vehicle, it is necessary to protect them from an external load such as an impact, and it is also required to have vibration resistance against vibration generated during traveling.

特許文献１には、小型車両の衝突対応構造として、サイドシル前端とヒンジピラー下端との間に閉断面構造部材を設けるとともに、この閉断面構造部材から内向きに突出するリブを有する構造を開示する。
しかし、このような構造では振動等により発生する応力が内向きに突出するリブの根元に集中し、この部分が破損しやすい課題があった。 Patent Document 1 discloses a structure in which a closed cross-section structural member is provided between the front end of the side sill and the lower end of the hinge pillar as a collision-responsive structure for a small vehicle, and a structure having ribs protruding inward from the closed cross-section structural member is provided.
However, in such a structure, the stress generated by vibration or the like is concentrated at the root of the rib protruding inward, and there is a problem that this portion is easily damaged.

特開２０１３−００１２３５号公報Japanese Unexamined Patent Publication No. 2013-001235

本発明は、車両に重量物を搭載するのに用いられるケース体やフレーム体等の構造体であって、荷重を分散し、また耐振動性に優れる保護構造体の提供を目的とする。 An object of the present invention is to provide a protective structure such as a case body or a frame body used for mounting a heavy object on a vehicle, which distributes a load and has excellent vibration resistance.

本発明に係る保護構造体は、内リブと外リブとで中空部を形成した側壁部と、水平方向に形成した水平中空部を有する水平部とを備え、前記水平中空部が前記内リブを貫通するように前記水平部と側壁部とを一体的に形成してあることを特徴とする。
ここで水平部とは、上下方向に延在する側壁部に対して、その内側に相対的に略直交する方向に形成した部分であることを表現したものであって、厳密に水平である必要はない。 The protective structure according to the present invention includes a side wall portion in which a hollow portion is formed by an inner rib and an outer rib, and a horizontal portion having a horizontal hollow portion formed in the horizontal direction, and the horizontal hollow portion forms the inner rib. The horizontal portion and the side wall portion are integrally formed so as to penetrate the horizontal portion.
Here, the horizontal portion expresses that it is a portion formed in a direction substantially orthogonal to the inside of the side wall portion extending in the vertical direction, and needs to be strictly horizontal. There is no.

本発明において水平部は、電池モジュール等の重量物を取付支持するためのものである。
取付支持する構造としては、重量物を載置するように取り付けてもよく、この重量物を吊り下げ支持するように取り付けてもよく、その支持構造に制限はない。 In the present invention, the horizontal portion is for mounting and supporting a heavy object such as a battery module.
As the structure for mounting and supporting, a heavy object may be mounted so as to be placed, or the heavy object may be mounted so as to be suspended and supported, and the support structure is not limited.

本発明において、水平部の水平中空部が側壁部の内リブを貫通させる構造として、前記水平中空部は上リブと下リブとで形成してあり、前記上リブ及び下リブの一部にて、前記側壁部の中空部を上下に分断するように形成する例が挙げられる。
ここで、前記側壁部と前記水平部とは、押出材にて一体成形することもできる。 In the present invention, as a structure in which the horizontal hollow portion of the horizontal portion penetrates the inner rib of the side wall portion, the horizontal hollow portion is formed by an upper rib and a lower rib, and is formed by a part of the upper rib and the lower rib. An example is given in which the hollow portion of the side wall portion is formed so as to be divided into upper and lower parts.
Here, the side wall portion and the horizontal portion can be integrally molded with an extruded material.

本発明に係る保護構造体は、車両に電池モジュールやその制御部品等を搭載するのに適している。 The protective structure according to the present invention is suitable for mounting a battery module, a control component thereof, and the like on a vehicle.

本発明に係る保護構造体にあっては、水平部に電池モジュール等の重量物を取り付けた場合にその荷重、あるいは外部からの加えられた衝撃等の荷重は、側壁部の内リブと外リブとに分散されるので外部からの荷重に対して重量物の保護効果が高く、耐振動性にも優れる。 In the protective structure according to the present invention, when a heavy object such as a battery module is attached to the horizontal portion, the load thereof or the load such as an impact applied from the outside is applied to the inner rib and the outer rib of the side wall portion. Since it is dispersed in and out, it has a high protective effect on heavy objects against external loads and is also excellent in vibration resistance.

（ａ）は本発明に係る保護構造体の例を示し、（ｂ）に側壁部と水平部との連結構造の部分拡大図を示す。(A) shows an example of the protective structure which concerns on this invention, and (b) shows the partially enlarged view of the connecting structure of the side wall part and the horizontal part. 保護構造体の側面図を示す。The side view of the protection structure is shown. 側壁部と水平部との連結の比較説明図を示す。A comparative explanatory diagram of the connection between the side wall portion and the horizontal portion is shown.

本発明に係る保護構造体は、重量物を車両に搭載するためのものであり、例えば電池パック、電池モジュール等と称されている二次電池及びそれらを制御する制御部品等を搭載するのに適している。
構造そのものは、複数のパネル体からなるケース体，複数のフレームからなるフレーム体，それらを組み合せた構造体等，構成部材に制限はない。
本発明に係る保護構造体の特徴は、ケース体やフレーム体を構成する上下方向の側壁部と横方向の水平部との連結構造にある。 The protective structure according to the present invention is for mounting a heavy object on a vehicle, for example, for mounting a secondary battery called a battery pack, a battery module, etc., and a control component for controlling them. Are suitable.
The structure itself is not limited to constituent members such as a case body composed of a plurality of panel bodies, a frame body composed of a plurality of frames, and a structure in which they are combined.
The feature of the protective structure according to the present invention is the connection structure between the vertical side wall portion and the horizontal horizontal portion constituting the case body and the frame body.

図１（ａ）には、底板１５からなる第１の搭載部を有し、その上方に設けた水平部１２及びこの水平部に必要に応じて連結した中間パネル１６からなる第２の搭載部を有する２段構造の保護構造体の例を示す。
第１の搭載部を構成する底板１５からは、側壁として垂直パネル（１１，１３，１４）を立設し、その途中側壁部１１に、第２の搭載部を構成する水平部１２を連結してあり、その拡大図を図１（ｂ）に示す。
側壁は一枚のパネル状の側壁部１１で構成してもよいが、本実施例は図１，２に示すように中間に位置する側壁部１１の上部に形成した嵌合フランジ状の連結部１１ｆに上部側壁パネル１４を嵌合連結し、側壁部１１の下部に形成した連結フランジ１１ｇに底板１５から立設した下部側壁パネル１３を連結固定した３分割構造になっている。
側壁の分割構造や連結構造に制限はない。 FIG. 1A has a first mounting portion made of a bottom plate 15, a horizontal portion 12 provided above the horizontal portion, and a second mounting portion made of an intermediate panel 16 connected to the horizontal portion as needed. An example of a two-stage protective structure having the above is shown.
A vertical panel (11, 13, 14) is erected as a side wall from the bottom plate 15 constituting the first mounting portion, and a horizontal portion 12 constituting the second mounting portion is connected to the side wall portion 11 in the middle thereof. An enlarged view thereof is shown in FIG. 1 (b).
The side wall may be composed of a single panel-shaped side wall portion 11, but in this embodiment, as shown in FIGS. 1 and 2, a fitting flange-shaped connecting portion formed on the upper portion of the side wall portion 11 located in the middle is provided. The upper side wall panel 14 is fitted and connected to 11f, and the lower side wall panel 13 erected from the bottom plate 15 is connected and fixed to the connecting flange 11g formed at the lower part of the side wall portion 11.
There are no restrictions on the split or connected structure of the side walls.

上記側壁は、第１及び第２搭載部の両側に対向して立設してもよいが、本実施例では底板１５と中間パネル１６とを中空断面形状からなる複数の側パネル１７（１７ａ，１７ｂ，１７ｃ）にて連結した例になっている。
また、図示を省略したが、第２の搭載部の上方はカバー部材で覆う構造例になっていて、このカバー部材は上部側壁パネル１４の上端フランジ部１４ａにて固定することができる。
また、底板１５の側壁と直交する両側端部には必要に応じてサブフランジ１９ａ，１９ｂを有し、第２の搭載部の両側端部にもサブフランジ１８ａ，１８ｂを有する側になっているが、これらのサブフランジは無くてもよい。 The side wall may be erected facing both sides of the first and second mounting portions, but in this embodiment, the bottom plate 15 and the intermediate panel 16 are formed by a plurality of side panels 17 (17a, which have a hollow cross-sectional shape. It is an example of connecting in 17b, 17c).
Further, although not shown, the upper part of the second mounting portion is an example of a structure covered with a cover member, and this cover member can be fixed by the upper end flange portion 14a of the upper side wall panel 14.
Further, both end portions orthogonal to the side wall of the bottom plate 15 have sub-flange 19a, 19b as needed, and both end portions of the second mounting portion also have sub-flange 18a, 18b. However, these sub-flange may not be present.

図１（ｂ）にサブフランジ１８ｂを取り外した状態の水平部１２と側壁部１１との部分拡大図を示す。
側壁部１１は、上下方向に配設した複数の中空部１１ｃ，１１ｄ，１１ｅを有するパネル形状になっている。
中空部は内リブ１１ｂと外リブ１１ａとの途中を連結リブ１１ｈでつなぐ形状になっているが、保護構造体の内側に向けて形成した中空断面形状からなる水平部１２との連結部は次のようになっている。
水平部１２は一対の上リブ１２ｂと下リブ１２ｃとの途中を垂直方向のつなぎリブ１２ｄにて複数の水平中空部１２ａを形成してある。
上リブ１２ｂと下リブ１２ｃの先端側の一部が側壁部１１の内リブ１１ｂを貫通している状態になっている。
言い換えれば、この貫通した上リブ１２ｂと下リブ１２ｃの部分で側壁部の中空部を分断し、中空部１１ｃと中空部１１ｄを形成した状態になり、上リブ１２ｂと下リブ１２ｃとの先端側は外リブ１１ａとなって水平中空部１２ａを形成した状態になっている。
これにより、第２の搭載部を形成した水平部１２に図示を省略した固定ピン等にて二次電池（電池モジュール）Ｖを取り付けた場合に、その荷重は上リブ１２ｂと外リブ１１ａとの連結コーナー部を介して伝達される荷重ｆ１と下リブ１２ｃと内リブ１１ｂとの連結コーナー部を介して伝達される荷重ｆ２とに分散される。 FIG. 1B shows a partially enlarged view of the horizontal portion 12 and the side wall portion 11 with the sub-flange 18b removed.
The side wall portion 11 has a panel shape having a plurality of hollow portions 11c, 11d, 11e arranged in the vertical direction.
The hollow portion has a shape in which the middle of the inner rib 11b and the outer rib 11a is connected by the connecting rib 11h, but the connecting portion with the horizontal portion 12 having a hollow cross-sectional shape formed toward the inside of the protective structure is as follows. It looks like this.
In the horizontal portion 12, a plurality of horizontal hollow portions 12a are formed by connecting ribs 12d in the vertical direction between the pair of upper ribs 12b and lower ribs 12c.
A part of the upper rib 12b and the lower rib 12c on the distal end side penetrates the inner rib 11b of the side wall portion 11.
In other words, the hollow portion of the side wall portion is divided by the penetrating upper rib 12b and lower rib 12c to form the hollow portion 11c and the hollow portion 11d, and the tip side of the upper rib 12b and the lower rib 12c is formed. Is in a state of forming an outer rib 11a and forming a horizontal hollow portion 12a.
As a result, when the secondary battery (battery module) V is attached to the horizontal portion 12 forming the second mounting portion with a fixing pin or the like (not shown), the load is applied to the upper rib 12b and the outer rib 11a. via the connecting corner portions of the load f 1 and the lower rib 12c and the inner rib 11b which is transmitted through the connecting corner portion is dispersed into a load f 2 transmitted.

この作用を図３に示した連結構造と比較する。
図３は、中空断面形状の水平部１１２と上下方向の中空部を有する側壁部１１１とを略直角に連結した場合を示す。
このような連結構造にあっては、水平部１１２に加わる荷重はコーナー部ｆ０に応力集中しやすく、この部分への局部的負荷が大きくなってしまう。
これに対して本発明に係る連結構造にあっては、応力がｆ１とｆ２に分散されるので、衝撃等の外部からの負荷に対しても分散効果があるので、搭載物の保護効果が高い。
また、走行中に発生する振動もｆ１とｆ２に分散されて側壁部１１に伝達されるので振動耐久性にも優れる。
このような連結構造は、アルミニウム合金等の押出材にて容易に製作できる。 This action is compared with the connected structure shown in FIG.
FIG. 3 shows a case where a horizontal portion 112 having a hollow cross-sectional shape and a side wall portion 111 having a hollow portion in the vertical direction are connected at a substantially right angle.
Such In the such connection structure, the load applied to the horizontal portion 112 stress easily concentrated at the corners f 0, the local load on this portion is increased.
On the other hand, in the connected structure according to the present invention, since the stress is dispersed in f 1 and f 2 , the effect of dispersing stress is also applied to an external load such as an impact, so that the effect of protecting the load is protected. Is high.
Further, the vibration generated during traveling is also dispersed in f 1 and f 2 and transmitted to the side wall portion 11, so that the vibration durability is also excellent.
Such a connecting structure can be easily manufactured by using an extruded material such as an aluminum alloy.

１１ 側壁部
１１ａ 外リブ
１１ｂ 内リブ
１１ｃ 中空部
１１ｄ 中空部
１１ｅ 中空部
１１ｆ 連結部
１１ｇ 連結フランジ
１１ｈ 連結リブ
１２ 水平部
１２ａ 水平中空部
１２ｂ 上リブ
１２ｃ 下リブ
１２ｄ つなぎリブ 11 Side wall 11a Outer rib 11b Inner rib 11c Hollow part 11d Hollow part 11e Hollow part 11f Connecting part 11g Connecting flange 11h Connecting rib 12 Horizontal part 12a Horizontal part 12b Horizontal part 12b Upper rib 12c Lower rib 12d Connecting rib

Claims (4)

車両に重量物を搭載するのに用いられる、上下方向の側壁部と前記側壁部から内側方向に設けた水平部とを有するケース体又はフレーム体からなる保護構造体であって、
前記側壁部は内リブと外リブとで中空部を形成してあり、
前記水平部は水平方向に形成した水平中空部を有し、
前記水平中空部が前記内リブを貫通するように前記水平部と前記側壁部とが一体的に形成されていることを特徴とする保護構造体。 A protective structure made of a case body or a frame body having a vertical side wall portion and a horizontal portion provided inward from the side wall portion, which is used for mounting a heavy object on a vehicle.
The side wall portion has a hollow portion formed by an inner rib and an outer rib.
The horizontal portion has a horizontal hollow portion formed in the horizontal direction.
A protective structure characterized in that the horizontal portion and the side wall portion are integrally formed so that the horizontal hollow portion penetrates the inner rib. 前記水平中空部は上リブと下リブとで形成してあり、
前記上リブ及び下リブの一部にて、前記側壁部の中空部を上下に分断するように形成してあることを特徴とする請求項１記載の保護構造体。 The horizontal hollow portion is formed by an upper rib and a lower rib.
The protective structure according to claim 1, wherein the hollow portion of the side wall portion is formed so as to be vertically divided by a part of the upper rib and the lower rib. 前記側壁部と前記水平部とは、押出材にて一体成形してあることを特徴とする請求項１又は２記載の保護構造体。 The protective structure according to claim 1 or 2, wherein the side wall portion and the horizontal portion are integrally molded with an extruded material. 車両に電池モジュールを搭載するためのものであることを特徴とする請求項１〜３のいずれかに記載の保護構造体。
The protective structure according to any one of claims 1 to 3, wherein the battery module is mounted on a vehicle.
JP2018044858A 2018-03-13 2018-03-13 Protective structure Active JP6967475B2 (en)

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JP2018044858A JP6967475B2 (en) 2018-03-13 2018-03-13 Protective structure
CN201811195663.8A CN110271401B (en) 2018-03-13 2018-10-15 Protective structure

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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002234347A (en) * 2001-02-06 2002-08-20 Nissan Motor Co Ltd Battery storing structure for electric automobile
JP2005183217A (en) * 2003-12-19 2005-07-07 Sanyo Electric Co Ltd Vehicular power supply apparatus
JP5382929B2 (en) * 2009-06-29 2014-01-08 アイシン軽金属株式会社 Protective frame structure
JP5738736B2 (en) * 2011-10-18 2015-06-24 アイシン軽金属株式会社 Battery module mounting structure
JP6053618B2 (en) * 2013-06-13 2016-12-27 アイシン軽金属株式会社 Support structure for vehicle
JP6588729B2 (en) * 2015-04-30 2019-10-09 アイシン軽金属株式会社 Vehicle battery protection structure
JP6342364B2 (en) * 2015-05-21 2018-06-13 アイシン軽金属株式会社 Battery module mounting frame structure
JP2017168243A (en) * 2016-03-15 2017-09-21 トヨタ自動車株式会社 Battery case for two-stage structure
JP2017193300A (en) * 2016-04-22 2017-10-26 トヨタ自動車株式会社 Battery mounting structure of vehicle

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