JPH07232565A - Electric vehicle battery frame structure - Google Patents
Electric vehicle battery frame structureInfo
- Publication number
- JPH07232565A JPH07232565A JP6028441A JP2844194A JPH07232565A JP H07232565 A JPH07232565 A JP H07232565A JP 6028441 A JP6028441 A JP 6028441A JP 2844194 A JP2844194 A JP 2844194A JP H07232565 A JPH07232565 A JP H07232565A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- outside air
- frame
- floor member
- battery cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Body Structure For Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
(57)【要約】
【目的】 バッテリフレームおよびバッテリカバーの構
造を簡単にしてコストダウンを図ると共に、水侵入防止
の徹底を図る。
【構成】 バッテリフレーム１をフロアパネル１１の下
面のフロアメンバ１２に締結して、これら両者間にバッ
テリカバー６を挾着するようにしてあり、バッテリカバ
ー６の前壁下縁にはフランジ８を垂設してある一方、バ
ッテリフレーム１の上面にはフランジ８を挿入係合する
フランジ挿入溝９を設けてある。バッテリカバー６の前
壁には外気取入口７を形成してある一方、対応するフロ
アメンバ１２には外気取入口７に連通接続する外気導入
部材１３を装着してある。
(57) [Summary] [Purpose] To simplify the structure of the battery frame and battery cover to reduce costs and to thoroughly prevent water from entering. [Structure] The battery frame 1 is fastened to a floor member 12 on the lower surface of a floor panel 11, and a battery cover 6 is sandwiched between them, and a flange 8 is provided on the lower edge of the front wall of the battery cover 6. On the other hand, a flange insertion groove 9 into which the flange 8 is inserted and engaged is provided on the upper surface of the battery frame 1 while being vertically provided. An outside air intake port 7 is formed on the front wall of the battery cover 6, while an outside air introduction member 13 connected to the outside air intake port 7 is attached to the corresponding floor member 12.
Description
【０００１】[0001]
【産業上の利用分野】本発明は電気自動車のバッテリフ
レーム構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery frame structure for an electric vehicle.
【０００２】[0002]
【従来の技術】電気自動車にあっては車載バッテリが可
成りの重量および搭載スペースを占めるため、フロアパ
ネルの下側に専用の鋼体構造のバッテリフレームを配設
し、このバッテリフレーム上に複数個のバッテリを搭載
して、該バッテリをフロアパネルとバッテリフレームと
の間に格納するようにしている。2. Description of the Related Art In an electric vehicle, an on-vehicle battery occupies a considerable weight and a mounting space. Therefore, a dedicated steel frame battery frame is arranged below the floor panel, and a plurality of battery frames are mounted on the battery frame. One battery is mounted and the battery is housed between the floor panel and the battery frame.
【０００３】バッテリはその充電時にＨ2 ガスを発生
し、またバッテリ使用時に発熱するため、例えば特開平
５−１９３３７６号公報に示されているように、バッテ
リフレームを、複数個のバッテリを収納する上部開放の
ボックス本体と、該ボックス本体の上部に嵌合配置され
るカバー部材とで、密閉ボックスタイプに構成し、そし
て、ボックス本体の前面に外気取入部を形成して、この
外気取入部から導入した外気でバッテリボックス内に発
生したＨ2 ガスを排出し、また、バッテリを冷却し得る
ようにしている。Since a battery generates H 2 gas when it is charged and heat is generated when the battery is used, a battery frame accommodates a plurality of batteries as disclosed in, for example, Japanese Patent Laid-Open No. 5-193376. A box body having an open upper part and a cover member fitted and arranged on the top of the box body constitute a closed box type, and an outside air intake portion is formed on the front surface of the box body, and from this outside air intake portion H 2 gas generated in the battery box is discharged by the introduced outside air, and the battery can be cooled.
【０００４】[0004]
【発明が解決しようとする課題】バッテリボックスに
は、該バッテリボックスをフロアパネル下面のフロアメ
ンバに結合するための支持フレーム構造が不可欠となっ
て、バッテリボックスの構造が複雑となってしまうばか
りでなく、ボックス本体の前面に外気取入部を一体的に
形成するため、該外気取入部には外気と共に流入した水
がバッテリボックス内へ入り込まないように防水対策を
施す必要があって、益々構造が複雑となってしまう。In the battery box, the support frame structure for connecting the battery box to the floor member on the lower surface of the floor panel is indispensable, which not only complicates the structure of the battery box. However, since the outside air intake portion is integrally formed on the front surface of the box body, it is necessary to take waterproof measures so that the water that has flowed in with the outside air does not enter the battery box in the outside air intake portion. It becomes complicated.
【０００５】また、ボックス本体とカバー部材との合わ
せ面全周には水が入り込まないようにシール部材が介装
されるが、特に前側部分ではスプラッシュの直撃を受け
易いため、シール部材を介装してあってもシール反力の
不均一な部分があればこの部分から水がバッテリボック
ス内へ侵入するおそれがある。Further, a seal member is provided so as to prevent water from entering the entire circumference of the mating surface between the box body and the cover member. However, since the splash portion is vulnerable to direct hits, the seal member is interposed. However, if there is a portion where the seal reaction force is not uniform, water may enter the battery box through this portion.
【０００６】そこで、本発明はバッテリ充電時に発生し
たＨ2 ガスの排出性能およびバッテリ冷却効果が得られ
ることは勿論、バッテリ収納部への水侵入防止を確実に
行うことができ、かつ、構造が簡単でコストダウンに大
きく寄与することができる電気自動車のバッテリフレー
ム構造を提供するものである。Therefore, according to the present invention, not only the discharge performance of H 2 gas generated at the time of charging the battery and the battery cooling effect can be obtained, but also the intrusion of water into the battery housing can be surely prevented, and the structure is A battery frame structure for an electric vehicle that is simple and can greatly contribute to cost reduction.
【０００７】[0007]
【課題を解決するための手段】請求項１にあっては、フ
ロントフレームとリヤフレームおよびこれらフロントフ
レームとリヤフレームとに接続した一対のサイドフレー
ムとを有し、これらフレームの上面をフロアパネル下面
に接合したフロアメンバの下面に結合して複数個のバッ
テリを搭載格納するバッテリフレームと、前壁に外気取
入口を有し、バッテリフレームの上面に止着されて複数
個のバッテリを全体的に覆って密閉するバッテリカバー
と、フロントフレームに対応するフロアメンバを前後方
向に貫通して装着されて前記バッテリカバーの外気取入
口に接続される外気導入部材とを備えた構造であって、
少くとも前記バッテリカバーの前壁の下縁に沿ってフラ
ンジを垂設する一方、バッテリフレーム上面の該フラン
ジに対応する部位にフランジ挿入溝を形成してある。According to a first aspect of the present invention, there is provided a front frame, a rear frame, and a pair of side frames connected to the front frame and the rear frame. A battery frame that is connected to the lower surface of the floor member to mount and store a plurality of batteries, and has an outside air intake port on the front wall and is fastened to the upper surface of the battery frame so that the plurality of batteries are entirely A structure including a battery cover that covers and seals, and an outside air introducing member that is mounted by penetrating a floor member corresponding to the front frame in the front-rear direction and connected to an outside air intake port of the battery cover,
A flange is vertically provided along at least the lower edge of the front wall of the battery cover, and a flange insertion groove is formed in a portion corresponding to the flange on the upper surface of the battery frame.
【０００８】請求項２にあっては、前記フランジ挿入溝
の溝底に、フレーム底面に開口する水抜孔を形成してあ
る。According to a second aspect of the present invention, a water drain hole that opens to the bottom surface of the frame is formed in the groove bottom of the flange insertion groove.
【０００９】請求項３にあっては、外気導入部材の後端
縁と、バッテリカバーの外気導入口縁とに、バッテリカ
バーの下方からの組付けに対して相互に密接係合する組
付けシート面を形成してある。According to a third aspect of the present invention, an assembling sheet is in close contact with the rear end edge of the outside air introducing member and the outside air introducing port edge of the battery cover when the battery cover is attached from below. The surface is formed.
【００１０】請求項４にあっては、前記外気導入部材は
フロアメンバの後壁を貫通して装着されて外気をバッテ
リカバーの上側部内に車幅方向に拡散するディフユーザ
とフロアメンバの前壁を貫通して装着されて外気を取り
入れるエアボックスとを備え、かつ、ディフユーザの前
側部と、エアボックスの後側上部には、それぞれ前後方
向に突合わせて連接するダクト部を備えている。According to another aspect of the present invention, the outside air introducing member penetrates through the rear wall of the floor member and diffuses the outside air into the upper portion of the battery cover in the vehicle width direction. An air box that penetrates through and takes in outside air is provided, and a front side portion of the diff user and a rear upper portion of the air box are provided with duct portions that are abutted and connected to each other in the front-rear direction.
【００１１】請求項５にあっては、前記エアボックス内
には、その上壁に外気の流入線に対して直交方向に垂設
したバッフルプレートを備えている。According to a fifth aspect of the present invention, a baffle plate is provided on the upper wall of the air box so as to vertically extend in a direction orthogonal to the inflow line of the outside air.
【００１２】請求項６にあっては、エアボックスの底壁
および該エアボックス底壁に対応するフロアメンバの底
壁に水抜孔を形成してある。According to the sixth aspect of the present invention, water drain holes are formed in the bottom wall of the air box and the bottom wall of the floor member corresponding to the bottom wall of the air box.
【００１３】[0013]
【作用】請求項１によれば、バッテリカバーはバッテリ
を搭載したバッテリフレーム上に被冠し、バッテリフレ
ームのフロントフレーム、リヤフレーム，サイドフレー
ムをフロアメンバに締結することによって、これらバッ
テリフレームとフロアメンバとの間に挾着固定される。According to the first aspect of the present invention, the battery cover is capped on the battery frame on which the battery is mounted, and the front frame, the rear frame, and the side frame of the battery frame are fastened to the floor member, whereby the battery frame and the floor are fixed. It is fixedly attached to the members.
【００１４】このバッテリカバーの装着時に、その前壁
下縁のフランジをバッテリフレーム上面のフランジ挿入
溝に挿入することによって、バッテリカバーの前後方向
および車幅方向の位置決めが行われ、組付け作業を容
易、かつ、迅速に行うことができる。When the battery cover is mounted, the flange at the lower edge of the front wall is inserted into the flange insertion groove on the upper surface of the battery frame, whereby the battery cover is positioned in the front-rear direction and the vehicle width direction, and the assembling work is performed. It can be done easily and quickly.
【００１５】外気は外気導入部材から取入れられて、バ
ッテリケースとバッテリフレームとの間のバッテリ収容
部に導入され、バッテリ充電時に発生したＨ2 ガスの排
出と、バッテリの冷却が行われる。The outside air is taken in from the outside air introducing member and introduced into the battery accommodating portion between the battery case and the battery frame to discharge the H 2 gas generated at the time of charging the battery and cool the battery.
【００１６】また、走行時にバッテリカバーの前壁とフ
ロントフレームとの合わせ面間に水が浸透しても、この
水はフランジに至って水切りされてフランジ挿入溝に捕
捉されて、前記バッテリ収容部に水が侵入することはな
い。Further, even if water penetrates between the mating surfaces of the front wall of the battery cover and the front frame during traveling, the water reaches the flange, is drained, is captured in the flange insertion groove, and is stored in the battery accommodating portion. No water will enter.
【００１７】請求項２によれば、前記フランジ挿入溝に
捕捉された水は、底部の水抜孔より外部へ排水される
が、特に走行時にはフロントフレーム下方に廻り込んで
後方へ流通する空気流によって、フロントフレーム下側
に負圧が生じるから、この負圧によって前記水を積極的
に外部へ排出することができる。According to the second aspect of the present invention, the water trapped in the flange insertion groove is drained to the outside through the drainage hole at the bottom. Since a negative pressure is generated on the lower side of the front frame, this negative pressure can positively discharge the water to the outside.
【００１８】請求項３によれば、バッテリケースをバッ
テリフレームに被冠した状態でフロアメンバに向けて下
側から組付け、もしくは、バッテリケースを被冠したバ
ッテリフレームに対してフロアパネルを下降させてフロ
アメンバをバッテリケースに対して組付ける場合、外気
導入部材の後端縁およびバッテリカバーの外気導入口縁
の組付けシート面が相互に密接係合して、外気導入部材
と外気取入口との連通接続を、フロアメンバへの組付け
と同時に行うことができる。According to the third aspect of the present invention, the battery case is covered with the battery frame and is assembled from the lower side toward the floor member, or the floor panel is lowered with respect to the battery frame with the battery case. When assembling the floor member to the battery case with the floor member, the assembling seat surfaces of the rear end edge of the outside air introducing member and the outside air introducing port edge of the battery cover are in close contact with each other to form the outside air introducing member and the outside air intake port. The communication connection of can be performed simultaneously with the assembling to the floor member.
【００１９】請求項４によれば、フロアメンバの後壁に
外気導入部材のディフユーザを貫通装着し、前壁にエア
ボックスを貫通装着すると、それらのダクト部が相互に
突合わせられて連通するから、フロアメンバへの外気導
入部材の組付けを容易に行うことができる。According to the fourth aspect, when the diff user of the outside air introducing member is attached through the rear wall of the floor member and the air box is attached through the front wall, the duct portions of the diffusers are abutted to communicate with each other. Therefore, it is possible to easily assemble the outside air introducing member to the floor member.
【００２０】請求項５によれば、エアボックス内に流入
した外気はバッフルプレートに吹き当って一旦下向きに
偏向されるから、外気と共に流入した水滴は重力により
エアボックス底部に落下して、外気のみがバッフルプレ
ートをくぐり抜けて上方のダクト部に指向してバッテリ
フレーム側へ導出され、水の侵入を確実に防止すること
ができる。According to the fifth aspect, the outside air flowing into the air box blows against the baffle plate and is once deflected downward. Therefore, the water drops flowing together with the outside air fall to the bottom of the air box due to gravity, and only the outside air flows. Passes through the baffle plate, is directed toward the upper duct portion, and is led out to the battery frame side, so that intrusion of water can be reliably prevented.
【００２１】請求項６によれば、エアボックスの底部に
落下した水は、水抜孔を通してエボックスおよびフロア
メンバ外へ排出されるから、エアボックス底部に滞留す
ることはない。According to the sixth aspect, since the water that has dropped to the bottom of the air box is discharged to the outside of the ebox and the floor member through the water drain hole, it does not stay at the bottom of the air box.
【００２２】[0022]
【実施例】以下、本発明の実施例を図面と共に詳述す
る。Embodiments of the present invention will now be described in detail with reference to the drawings.
【００２３】図４において、１は複数個のバッテリＢを
搭載する有底のバッテリフレームで、何れも中空に形成
したフロントフレーム２、リヤフレーム３、およびこれ
らフロントフレーム２とリヤフレーム３とに接合した一
対のサイドフレーム４とを備え、底部に底板５を接合配
置してある。In FIG. 4, reference numeral 1 denotes a bottomed battery frame on which a plurality of batteries B are mounted, each of which has a hollow front frame 2, a rear frame 3, and the front frame 2 and the rear frame 3 which are joined to each other. The pair of side frames 4 are provided, and the bottom plate 5 is joined and arranged at the bottom.
【００２４】６はバッテリフレーム１と平面略同一の形
状と大きさに形成した樹脂製のバッテリカバーで、下端
周縁に取付フランジ６ａを形成してあり、この取付フラ
ンジ６ａをシール部材１８を介してフロントフレーム
２、リヤフレーム３、サイドフレーム４の上面に重合し
て、複数ケ所において図外のクリップにより止着するよ
うにしてある。Reference numeral 6 denotes a resin battery cover formed in a shape and size substantially the same as that of the battery frame 1 in plan view, and has a mounting flange 6a formed on the peripheral edge of the lower end. The upper surfaces of the front frame 2, the rear frame 3, and the side frame 4 are overlapped with each other and fixed at a plurality of places by clips (not shown).
【００２５】バッテリカバー６の前壁の上半部にはその
略全幅に亘って外気取入口７を形成してあると共に、該
前壁の下縁には若干両側壁の下縁に廻り込んでフランジ
８を垂設してある。An outside air intake 7 is formed in the upper half of the front wall of the battery cover 6 over substantially the entire width thereof, and the lower edge of the front wall is slightly wrapped around the lower edges of both side walls. The flange 8 is provided vertically.
【００２６】一方、バッテリフレーム１の上面の前記フ
ランジ８に対応する部位、即ち、フロントフレーム２の
上面から両側のサイドフレーム４の上面に若干廻り込ん
だ部位には、前記フランジ８を挿入係合するフランジ挿
入溝９を形成してある。On the other hand, the flange 8 is inserted and engaged with a portion of the upper surface of the battery frame 1 corresponding to the flange 8, that is, a portion slightly wrapping around from the upper surface of the front frame 2 to the upper surfaces of the side frames 4 on both sides. The flange insertion groove 9 is formed.
【００２７】また、フランジ挿入溝９の溝底、具体的に
は本実施例にあってはフロントフレーム１内に設けた横
リブと底壁に、それぞれ複数個の水抜孔１０を形成して
ある。Further, a plurality of drain holes 10 are formed in the groove bottom of the flange insertion groove 9, specifically, in the lateral rib and the bottom wall provided in the front frame 1 in this embodiment. .
【００２８】このバッテリフレーム１は前述のようにバ
ッテリＢを搭載してバッテリカバー６を被冠止着した状
態で、図１〜３に示すようにフロアパネル１１の下面に
接合した逆ハット形断面のフロアメンバ１２の底壁面に
重合して、複数ケ所において図外のボルト・ナットによ
り締結固定される。As described above, the battery frame 1 has an inverted hat-shaped cross section joined to the lower surface of the floor panel 11 as shown in FIGS. Is superposed on the bottom wall surface of the floor member 12 and is fastened and fixed by bolts and nuts (not shown) at a plurality of places.
【００２９】フロアメンバ１２のうち、フロントフレー
ム２が締結固定されるフロント側の車幅方向のフロアメ
ンバ１２は、該フロアメンバ１２を貫通して外気導入部
材１３を装着してあり、該外気導入部材１３を前記バッ
テリカバー６の外気取入口７に接続するようにしてあ
る。Of the floor members 12, the front-side vehicle width direction floor member 12 to which the front frame 2 is fastened and fixed is fitted with an outside air introducing member 13 penetrating through the floor member 12 and introducing the outside air. The member 13 is connected to the outside air intake 7 of the battery cover 6.
【００３０】外気導入部材１３は、図５にも示すように
フロアメンバ１２の後壁に形成した取付孔１２ａに後方
より挿入係着して取付けられて、外気をバッテリカバー
６の上側部内に車幅方向に拡散するディフユーザ１４
と、フロアメンバ１２の前壁に形成した取付孔１２ｂに
前方より挿入して、その周縁部に図外のクリップもしく
はボルト・ナットにより取付けられて、外気を取り入れ
る複数個のエアボックス１５とを備えている（図５では
一方のエアボックス１５を省略して示している）。As shown in FIG. 5, the outside air introducing member 13 is attached by being inserted and fixed from the rear into a mounting hole 12a formed in the rear wall of the floor member 12, so that the outside air is introduced into the upper portion of the battery cover 6 by the vehicle. Diff user 14 spreading in the width direction
And a plurality of air boxes 15 that are inserted into the mounting holes 12b formed in the front wall of the floor member 12 from the front and are attached to the peripheral portion by clips (not shown) or bolts and nuts to take in outside air. (One air box 15 is omitted in FIG. 5).
【００３１】外気導入部材１３の後端縁、つまり、前記
ディフユーザ１４の後端縁と、バッテリカバー６の外気
取入口７の縁部とに、バッテリカバー６の下方からの組
付けに対して相互に密接係合する組付けシート面１４ａ
および７ａを形成してある。When the battery cover 6 is attached to the rear edge of the outside air introducing member 13, that is, the rear edge of the diff user 14 and the edge of the outside air intake 7 of the battery cover 6 from below. Assembly sheet surface 14a that is in close engagement with each other
And 7a are formed.
【００３２】本実施例では組付けシート面１４ａはディ
フユーザ１４の上縁に後方に向けて有段成形した係合フ
ランジとして形成してある一方、組付けシート面７ａ
は、この係合フランジとディフユーザ１４の下縁および
両側縁に摺接係合する段部として形成してある。In the present embodiment, the assembly sheet surface 14a is formed as an engagement flange which is stepped rearward at the upper edge of the differential user 14, while the assembly sheet surface 7a is formed.
Is formed as a step portion slidably engaged with the engagement flange and the lower edge and both side edges of the diff user 14.
【００３３】また、ディフユーザ１４はその下縁に形成
した溝１４ｂを、フロアメンバ１２の後壁の取付孔１２
ａの下縁に係着して取付けられ、後端部周縁がバッテリ
カバー６に押えられることによって定着されるようにな
っている。Further, the diff user 14 has a groove 14b formed at the lower edge of the diff user 14 in the mounting hole 12 of the rear wall of the floor member 12.
It is attached by being attached to the lower edge of a, and the peripheral edge of the rear end portion is fixed by being pressed by the battery cover 6.
【００３４】ディフユーザ１４の前側部には、複数個の
接続用のダクト１６を形成してある一方、各エアボック
ス１５の後側上部には、対応する前記ダクト１６に接続
する接続用のダクト１７を形成してある。A plurality of connecting ducts 16 are formed on the front side of the differential user 14, while a connecting duct for connecting to the corresponding duct 16 is formed on the upper rear side of each air box 15. 17 is formed.
【００３５】これらダクト１６，１７は、前後方向から
突合わせた場合に自然にセンタリングされて密接係合し
得るように、例えばダクト１７の端部をフレア状に拡径
し、ダクト１６の端部はダクト１７のフレアのテーパと
同一のテーパで縮径して形成してあって、これらダクト
１６，１７の接続部分にシール部材１８を介装してシー
ル性を確保するようにしている。These ducts 16 and 17 are, for example, flared at the end portions of the duct 17 so that they can be naturally centered and brought into close contact when they are abutted from the front-rear direction. Is formed with the same taper as the flare taper of the duct 17 and is reduced in diameter, and a seal member 18 is interposed at the connecting portion of the ducts 16 and 17 to ensure the sealing property.
【００３６】また、各エアボックス１５の内部には、そ
の上壁にインレット１９から流入してくる外気の流入線
に対して直交方向に垂設したバッフルプレート２０を設
けてあり、外気をエアボックス１５内で一旦、下向きに
変更、蛇行させてダクト１７に導出するようにしてあ
る。Further, inside each air box 15, a baffle plate 20 is provided on the upper wall of the air box 15 in a direction perpendicular to the inflow line of the outside air flowing from the inlet 19, and the outside air is blown into the air box. The inside of 15 is once changed downward, meandered, and led out to the duct 17.
【００３７】また、エアボックス１５の底壁、および該
エアボックス１５の底壁に対応するフロアメンバ１２の
底壁には、それぞれ水抜孔２１，２２を形成してある。Further, drain holes 21 and 22 are formed in the bottom wall of the air box 15 and the bottom wall of the floor member 12 corresponding to the bottom wall of the air box 15, respectively.
【００３８】フロアメンバ１２の底壁の前縁部分には、
水抜孔２１から流下した水を補集し得るように樋部２３
を形成してあって、水抜孔２２はこの樋部２３に設け
て、流入した水をフロアメンバ１２の前方部分で外部へ
排水するようにしてある。At the front edge of the bottom wall of the floor member 12,
In order to collect the water flowing down from the drain hole 21, the gutter 23
The drainage hole 22 is formed in the trough portion 23 so that the inflowing water is discharged to the outside at the front portion of the floor member 12.
【００３９】また、本実施例ではこのフロアメンバ１２
の前壁およびエアボックス１５の前壁を前傾状態に傾斜
成形して、フロアパネル１１の下面に沿って流通する空
気流をスムーズにバッテリフレーム１の下側へ廻り込ま
せるようにして、極力空気抵抗が小さくなるようにして
ある。In this embodiment, the floor member 12 is also used.
The front wall of the air box 15 and the front wall of the air box 15 are tilted forward so that the air flow flowing along the lower surface of the floor panel 11 smoothly wraps around the lower side of the battery frame 1 as much as possible. The air resistance is reduced.
【００４０】以上の実施例構造によれば、バッテリカバ
ー６は予め取付フランジ６ａをシール部材１８を介して
フロントフレーム２、リヤフレーム３、サイドフレーム
４の上面に図外のクリップにより止着して、複数個のバ
ッテリＢを全体的に覆ってバッテリフレーム１に被冠装
着し、他方、外気導入部材１３はフロアメンバ１２に予
め装着しておき、バッテリフレーム１をフロアメンバ１
２の下面に図外のボルト・ナットにより締結固定するこ
とによって、該バッテリカバー６はバッテリフレーム１
とフロアメンバ１２との間に挾着固定される。According to the structure of the above-described embodiment, the battery cover 6 is fixed to the upper surfaces of the front frame 2, the rear frame 3 and the side frame 4 with the mounting flange 6a in advance through the seal member 18 by a clip (not shown). , The plurality of batteries B are wholly covered and mounted on the battery frame 1 while the outside air introducing member 13 is mounted on the floor member 12 in advance, and the battery frame 1 is mounted on the floor member 1.
The battery cover 6 is fixed to the lower surface of the battery frame 2 by bolts and nuts (not shown).
And the floor member 12 are fixed in place.
【００４１】このようにバッテリフレーム１を直接フロ
アメンバ１２にボルト・ナット固定して、これら両者間
にバッテリカバー６を挾着するようにしてあるため、特
別にバッテリフレーム取付けのための支持フレーム構造
は不要であり、従って、フレーム構造を簡単にすること
ができる。As described above, the battery frame 1 is directly fixed to the floor member 12 by bolts and nuts, and the battery cover 6 is sandwiched between the both, so that a support frame structure for attaching the battery frame is provided. Is unnecessary and therefore the frame structure can be simplified.
【００４２】ここで、前述のようにバッテリカバー６を
バッテリフレーム１にサブアセンブリする場合、バッテ
リカバー６の前側下縁のフランジ８をバッテリフレーム
１のフランジ挿入溝９に挿入係合することによって、該
バッテリカバー６の前後方向および車幅方向の位置決め
が行われるから、該バッテリカバー６が可成りの大型で
あるにも拘らず、その位置合わせおよび止着作業を容
易、かつ、迅速に行うことができる。Here, when the battery cover 6 is sub-assembled into the battery frame 1 as described above, the flange 8 at the lower front edge of the battery cover 6 is inserted into and engaged with the flange insertion groove 9 of the battery frame 1, Since the battery cover 6 is positioned in the front-rear direction and the vehicle width direction, it is possible to easily and quickly perform the positioning and fastening work, even though the battery cover 6 is considerably large. You can
【００４３】そして、バッテリフレーム１を、フロアメ
ンバ１２に締結固定する場合、該バッテリフレーム１を
フロアメンバ１２に対して下方から突合わせるか、ある
いはフロアパネル１１をバッテリフレーム１の上方から
吊り降してフロアメンバ１２をバッテリフレーム１に突
合わせて締結するが、この際、バッテリカバー前壁の外
気取入口７の口縁の組付けシート面７ａが、外気導入部
材１３の後端縁の組付けシート面１４ａに相互に密接係
合して、外気導入部材１３と外気取入口７との連通接続
を、バッテリフレーム１のフロアメンバ１２への組付け
と同時に行うことができる。When the battery frame 1 is fastened and fixed to the floor member 12, the battery frame 1 is butted against the floor member 12 from below, or the floor panel 11 is suspended from above the battery frame 1. The floor member 12 is butted against the battery frame 1 and fastened. At this time, the assembling seat surface 7a of the edge of the outside air intake 7 on the front wall of the battery cover is attached to the rear edge of the outside air introducing member 13. By closely engaging with the seat surface 14a, a communication connection between the outside air introducing member 13 and the outside air intake 7 can be performed simultaneously with the assembling of the battery frame 1 to the floor member 12.
【００４４】また、外気導入部材１３はそのディフユー
ザ１４をフロアメンバ後壁の取付孔１２ａに後方より挿
入係着し、エアボックス１５をフロアメンバ前壁の取付
孔１２ｂに前方より挿入して孔縁に固定すると、それら
のダクト部１６，１７が相互に突合わせられて連通する
から、フロアメンバ１２への外気導入部材１３の組付け
も、容易かつ迅速に行うことができる。Further, the outside air introducing member 13 has its diff user 14 inserted and fixed from the rear into the mounting hole 12a of the floor member rear wall, and the air box 15 is inserted into the mounting hole 12b of the front wall of the floor member from the front. When fixed to the edge, the duct portions 16 and 17 are butted against each other and communicate with each other, so that the outside air introducing member 13 can be easily and quickly assembled to the floor member 12.
【００４５】このようにしてバッテリフレーム１をバッ
テリカバー６と共にフロアメンバ１２に組付けた状態で
は、外気導入部材１３のエアボックス１５に流入した外
気はディフユーザ１４によりバッテリカバー６の上側部
内に車幅方向に拡散されて、バッテリＢの収容部空間に
全体的に供給され、バッテリカバー６後部の図外の排出
部より排出されるようになる。In the state where the battery frame 1 is assembled to the floor member 12 together with the battery cover 6 in this way, the outside air flowing into the air box 15 of the outside air introducing member 13 is guided by the diff user 14 into the upper portion of the battery cover 6. After being diffused in the width direction, the battery B is entirely supplied to the accommodation space of the battery B, and is discharged from the discharge portion (not shown) at the rear portion of the battery cover 6.
【００４６】この結果、バッテリ充電時に発生するＨ2
ガスの排出と、バッテリＢの冷却を積極的に行わせるこ
とができる。As a result, H 2 generated when the battery is charged
It is possible to actively discharge the gas and cool the battery B.
【００４７】雨天走行時などには、エアボックス１５内
に外気と共に水がスプラッシュとして流入することもあ
るが、インレット１９より流入した水滴を含んだ外気は
バッフルプレート２０に吹き当って一旦下向きに変更さ
れるから、外気と共に流入した水滴は重力によりエアボ
ックス１５の底部に落下して、外気のみがバッフルプレ
ート２０をくぐり抜けてダクト１７に指向して、前述の
ようにディフユーザ１４を経由してバッテリフレーム１
内へ導出されるから、水の侵入を確実に防止することが
できる。When traveling in the rain, water may flow into the air box 15 together with the outside air as a splash. However, the outside air containing the water droplets flowing from the inlet 19 is blown against the baffle plate 20 and once changed downward. Therefore, the water drops that have flowed in together with the outside air fall to the bottom of the air box 15 due to gravity, and only the outside air passes through the baffle plate 20 and is directed toward the duct 17, and the battery flows via the diff user 14 as described above. Frame 1
Since it is led out into the inside, it is possible to reliably prevent the intrusion of water.
【００４８】このエアボックス１５の底部に落下した水
は、水抜孔２１，２２を通してエアボックス１５および
フロアメンバ１２外へ排水されるから、エアボックス底
部に滞留することはない。Since the water that has dropped to the bottom of the air box 15 is drained to the outside of the air box 15 and the floor member 12 through the water drain holes 21 and 22, it does not stay at the bottom of the air box.
【００４９】また、バッテリカバー６の取付フランジ６
ａとバッテリフレーム１の上面との間にもシール部材１
８が介装されているが、シール部材１８の反力が不均一
な部分、即ち、ボルト・ナット締結部間ではシール反力
がボルト・ナット締結局部に較べて小さくなる傾向があ
り、特に、フロント側では走行時にスプラッシュの直撃
を受けるため、取付フランジ６ａとフロントフレーム２
上面との合わせ面に水が浸透することがあるが、この水
はフランジ８に至って水切りされてフランジ挿入溝９に
捕捉され、従って、バッテリフレーム１内部への水侵入
のおそれは全くない。Further, the mounting flange 6 of the battery cover 6
The seal member 1 is also provided between a and the upper surface of the battery frame 1.
8 is interposed, the seal reaction force tends to be smaller in a portion where the reaction force of the seal member 18 is uneven, that is, between the bolt and nut fastening portions, as compared with the local portion where the bolt and nut fastening is performed. Since the front side is directly hit by the splash when traveling, the mounting flange 6a and the front frame 2 are
Water may permeate the mating surface with the upper surface, but this water reaches the flange 8 and is drained off and captured by the flange insertion groove 9. Therefore, there is no possibility of water entering the inside of the battery frame 1.
【００５０】また、このフランジ挿入溝９に捕捉された
水は、底部の水抜孔１０より外部へ排水されるが、この
水抜孔１０はフロントフレーム１の底面に開口している
ため、特に走行時にはフロントフレーム２の下方に廻り
込んで後方へ流通する空気流によって、フロントフレー
ム２の下側に負圧が生じるから、この負圧によって前記
排水作用を積極的に行わせることができる。The water trapped in the flange insertion groove 9 is drained to the outside through the drainage hole 10 at the bottom. Since this drainage hole 10 is open on the bottom surface of the front frame 1, especially during traveling. Negative pressure is generated on the lower side of the front frame 2 by the airflow that circulates below the front frame 2 and circulates rearward, so that the negative pressure can positively perform the drainage action.
【００５１】更に、本実施例のようにフロント側のフロ
アメンバ１２の前壁およびエアボックス１５の前壁を前
傾状態に傾斜成形してあれば、フロアパネル１１の下方
に流れる空気流をスムーズにバッテリフレーム１の下側
へガイドできて空気抵抗を減少でき、空力特性を向上す
ることもできる。Further, if the front wall of the front floor member 12 and the front wall of the air box 15 are inclined and formed in a forward inclined state as in the present embodiment, the airflow flowing under the floor panel 11 can be made smooth. Moreover, the air resistance can be reduced by guiding the battery frame 1 to the lower side, and aerodynamic characteristics can be improved.
【００５２】[0052]
【発明の効果】以上、本発明によれば次に列挙する効果
を奏せられる。As described above, according to the present invention, the following effects can be obtained.
【００５３】（１） バッテリフレームをフロアメンバ
に直接結合して、これら両者間にバッテリカバーを挾着
してあるため、バッテリフレーム取付けのための専用の
支持フレーム構造を不要としたフレーム構造を簡単にで
き、バッテリ冷却機能を有するバッテリフレーム構造を
コスト的に有利に得ることができる。(1) Since the battery frame is directly connected to the floor member and the battery cover is sandwiched between the both, a frame structure that does not require a dedicated support frame structure for mounting the battery frame is simple. Therefore, the battery frame structure having the battery cooling function can be obtained with a cost advantage.
【００５４】（２） バッテリカバー装着時にその前壁
下縁のフランジをバッテリフレームのフロントフレーム
上面のフランジ挿入溝に挿入することによって、バッテ
リカバーの前後方向および車幅方向の位置決めが行わ
れ、バッテリカバーの組付けを容易に行うことができ
る。(2) When the battery cover is mounted, the flange at the lower edge of the front wall is inserted into the flange insertion groove on the upper surface of the front frame of the battery frame, whereby the battery cover is positioned in the front-rear direction and the vehicle width direction, and The cover can be easily assembled.
【００５５】（３）バッテリカバーの前壁と前記フロン
トフレームとの合わせ面間を浸透する水は、前記フラン
ジに至って水切りされてフランジ挿入溝に捕捉されるた
め、バッテリフレーム内への水の侵入を確実に防止する
ことができる。(3) Water penetrating between the mating surfaces of the front wall of the battery cover and the front frame reaches the flange and is drained and trapped in the flange insertion groove, so that water penetrates into the battery frame. Can be reliably prevented.
【００５６】（４） バッテリカバー前壁に外気取入口
を形成して、該外気取入口をフロアメンバに装着した外
気導入部材に接続して、バッテリフレーム内への外気導
入を行わせるようにしてあるので、バッテリカバーの構
造を簡単にしてコスト的に有利に得ることができる。(4) The outside air intake is formed on the front wall of the battery cover, and the outside air intake is connected to the outside air introducing member mounted on the floor member to introduce the outside air into the battery frame. Therefore, the structure of the battery cover can be simplified and the cost can be advantageously obtained.
【００５７】（５） フランジ挿入溝の溝底にはバッテ
リフレーム底面に開口する水抜孔を形成してあるので、
走行時にバッテリフレーム下方に廻り込んで後方へ流通
する空気流により水抜孔周辺に発生する負圧によって、
フランジ挿入溝に捕捉された水を積極的に外部へ排水す
ることができる。(5) Since the bottom of the flange insertion groove has a drainage hole that opens to the bottom of the battery frame,
Due to the negative pressure generated around the water drain hole by the air flow that circulates below the battery frame and travels backward when traveling,
The water captured in the flange insertion groove can be actively discharged to the outside.
【００５８】（６） バッテリフレームのフロアメンバ
への組付け時に、バッテリカバーの外気取入口縁の組付
けシート面と外気導入部材後端縁の組付けシート面の相
互が密接係合して、外気導入部材と外気取入口との連通
接続を容易に行うこができる。(6) At the time of assembling the battery frame to the floor member, the assembling seat surface of the outside air intake edge of the battery cover and the assembling seat surface of the rear end edge of the outside air introducing member are closely engaged with each other, The communication connection between the outside air introducing member and the outside air intake can be easily performed.
【００５９】（７） 外気導入部材は、そのディフユー
ザのダクト部とエアボックスのダクト部とが、フロアメ
ンバへの貫通装着時に前後方向に突合わされて連通接続
されるから、外気導入部材の組付けを容易に行うことが
できる。(7) In the outside air introducing member, the duct portion of the diff user and the duct portion of the air box are abutted in the front-rear direction when they are mounted on the floor member so as to communicate with each other. It can be attached easily.
【００６０】（８） エアボックス内に流入した外気
は、バッフルプレートに吹き当って一旦、下向きに偏向
され、外気と共に流入した水滴を重力によりエアボック
ス底部に落下させて水切りを行えるから、外気のみをバ
ッテリフレーム内へ導入させることができ、水侵入防止
を確実に行うことができる。(8) The outside air that has flowed into the air box is blown against the baffle plate and is once deflected downward, and the water drops that have flowed in together with the outside air can be dropped by gravity to the bottom of the air box to drain water. Can be introduced into the battery frame, and water can be reliably prevented from entering.
【００６１】（９） エアボックスの底部に落下した水
は、水抜孔を通してエアボックスおよびフロアメンバ外
へ排水することができて、防水対策を徹底することがで
きる。(9) The water that has dropped to the bottom of the air box can be drained to the outside of the air box and the floor member through the water drain hole, so that waterproof measures can be taken thoroughly.
【図１】本発明の一実施例の要部を示す図４のＡ−Ａ線
に沿う断面図。FIG. 1 is a sectional view taken along the line AA of FIG. 4 showing a main part of an embodiment of the present invention.
【図２】図４のＢ−Ｂ線に沿う断面図。FIG. 2 is a sectional view taken along the line BB in FIG.
【図３】バッテリフレームの組付け途上を示す図２と同
様の断面図。FIG. 3 is a cross-sectional view similar to FIG. 2, showing a process of assembling the battery frame.
【図４】バッテリフレームとバッテリカバーとの関係を
示す分解斜視図。FIG. 4 is an exploded perspective view showing a relationship between a battery frame and a battery cover.
【図５】外気導入部材とフロアメンバとの関係を示す分
解斜視図。FIG. 5 is an exploded perspective view showing a relationship between an outside air introducing member and a floor member.
１ バッテリフレーム ２ フロントフレーム ３ リヤフレーム ４ サイドフレーム ６ バッテリカバー ７ 外気取入口 ８ フランジ ９ フランジ挿入溝 １１ フロアパネル １２ フロアメンバ １３ 外気導入部材 Ｂ バッテリ 1 Battery Frame 2 Front Frame 3 Rear Frame 4 Side Frame 6 Battery Cover 7 Outside Air Inlet 8 Flange 9 Flange Insert Groove 11 Floor Panel 12 Floor Member 13 Outside Air Introducing Member B Battery
Claims (6)
これらフロントフレームとリヤフレームとに接続した一
対のサイドフレームとを有し、これらフレームの上面を
フロアパネル下面に接合したフロアメンバの下面に結合
して複数個のバッテリを搭載格納するバッテリフレーム
と、前壁に外気取入口を有し、バッテリフレームの上面
に止着されて複数個のバッテリを全体的に覆って密閉す
るバッテリカバーと、フロントフレームに対応するフロ
アメンバを前後方向に貫通して装着されて前記バッテリ
カバーの外気取入口に接続される外気導入部材とを備え
た構造であって、少くとも前記バッテリカバーの前壁の
下縁に沿ってフランジを垂設する一方、バッテリフレー
ム上面の該フランジに対応する部位にフランジ挿入溝を
形成したことを特徴とする電気自動車のバッテリフレー
ム構造。1. A front frame and a rear frame, and a pair of side frames connected to the front frame and the rear frame, wherein a plurality of upper frames are joined to a lower surface of a floor member joined to a lower surface of a floor panel. Corresponds to the front frame and the battery frame that houses and stores the individual batteries, the battery cover that has the outside air intake on the front wall, and is fixed to the upper surface of the battery frame to cover and seal multiple batteries A structure that includes a floor member that penetrates through the floor member in the front-rear direction and is connected to the outside air intake port of the battery cover, at least along the lower edge of the front wall of the battery cover. While the flange is provided vertically, a flange insertion groove is formed at a portion corresponding to the flange on the upper surface of the battery frame. And the battery frame structure of the electric vehicle.
面に開口する水抜孔を備えていることを特徴とする請求
項１記載の電気自動車のバッテリフレーム構造。2. The battery frame structure for an electric vehicle according to claim 1, wherein the flange insertion groove is provided with a water drain hole that opens to the frame bottom surface at the groove bottom.
ーの外気取入口縁とに、バッテリカバーの下方からの組
付けに対して相互に密接係合する組付けシート面を形成
したことを特徴とする請求項１，２記載の電気自動車の
バッテリフレーム構造。3. An assembly sheet surface is formed on the rear end edge of the outside air introducing member and the outside air intake edge of the battery cover so as to closely engage with each other when the battery cover is assembled from below. The battery frame structure for an electric vehicle according to claim 1 or 2, characterized in that:
貫通して装着されて外気をバッテリカバーの上側部内に
車幅方向に拡散するディフユーザとフロアメンバの前壁
を貫通して装着されて外気を取り入れるエアボックスと
を備え、かつ、ディフユーザの前側部と、エアボックス
の後側上部には、それぞれ前後方向に突合わせて連接す
るダクト部を備えていることを特徴とする請求項１，
２，３記載の電気自動車のバッテリフレーム構造。4. An outside air introducing member is attached through a rear wall of a floor member and penetrates through a front wall of a diff user and a floor member, which diffuses outside air into an upper portion of a battery cover in a vehicle width direction. An air box for taking in outside air is provided, and a front side portion of the diff user and a rear upper portion of the air box are provided with duct portions abuttingly connected to each other in the front-rear direction. 1,
The battery frame structure of the electric vehicle according to the above 2 or 3.
流入線に対して直交方向に垂設したバッフルプレートを
備えていることを特徴とする請求項４記載の電気自動車
のバッテリフレーム構造。5. The battery frame structure for an electric vehicle according to claim 4, wherein a baffle plate is provided on an upper wall of the air box, the baffle plate being provided perpendicularly to an inflow line of outside air. .
ス底壁に対応するフロアメンバの底壁に水抜孔を形成し
たことを特徴とする電気自動車のバッテリフレーム構
造。6. A battery frame structure for an electric vehicle, wherein a water drain hole is formed in a bottom wall of an air box and a bottom wall of a floor member corresponding to the bottom wall of the air box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06028441A JP3136887B2 (en) | 1994-02-25 | 1994-02-25 | Electric vehicle battery frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06028441A JP3136887B2 (en) | 1994-02-25 | 1994-02-25 | Electric vehicle battery frame structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07232565A true JPH07232565A (en) | 1995-09-05 |
| JP3136887B2 JP3136887B2 (en) | 2001-02-19 |
Family
ID=12248771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06028441A Expired - Fee Related JP3136887B2 (en) | 1994-02-25 | 1994-02-25 | Electric vehicle battery frame structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3136887B2 (en) |
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| LAPS | Cancellation because of no payment of annual fees |