201041208 六、發明說明： 【發明所屬之技術領域】 本發明係關於一種例如用於電動二輪機車之電池安裝構 造。 【先前技術】 習知，存在一種於用以驅動電動車輛之電池中可將自電池 ‘ 產生之氣體排出至外部之排氣構造。 具體而言，使自收容於電池外殼内之單電池所漏出之氣體 〇 流過模組上方，藉此釋出至外部（參照專利文獻1)。 [先前技術文獻] [專利文獻] - [專利文獻1]曰本專利實開平2-123064號公報 【發明内容】 (發明所欲解決之問題） 然而，於上述習知技術中，模組係收容於電池外殼内且其 y 底部無間隙地載置於電池外殼上，故存在難以將來自單電池 之氣體有效地釋出至外部之可能性。又，存在單電池因車輛 行駛時之放電等而發熱之情形，故期望提高單電池自身之冷 卻效率。 因此，本發明之目的在於提供一種可使自單電池產生之氣 體有效地排出、同時可提高冷卻效果之電池安裝構造。 (解決問題之手段） 099105149 4 201041208 為達成上述目的，第1發明係一種電池安裝構造，其包括 有：將單電池(例如實施形態中之單電池54)彼此連接而構成 之模組(例如實施形態中之單模組37T、電池模組37);收容 該模組之電池外殼(例如實施形態中之電池外殼36);向電池 外殼内進行吸氣之吸氣部（例如實施形態中之吸入管51);及 ’自電池外殼進行排氣之排氣部(例如實施形態中之排出管52) 者；其特徵在於’於上述模組之下部設置有與電池外殼之底 0 部（例如實施形態中之底壁3&)相抵接之突起部（例如實施形 態中之突起部53)。 第2發明中，使上述突起部與上述電池外殻之角部（例如 ·. 實施形態中之角部36d)相接觸。 • 第3發明中，上述電池外殻係形成為自底部（例如實施形 態中之底壁36t)朝向上方而往車寬方向外側變寬，且上述突 起部與上述角部係於底部附近相接觸。 〇 第4至6發明中，設置有複數個上述模組(例如實施形態 中之單模組3 7 T )，且於該等複數個模組間之間隙(例如實施 升> 悲中之間隙58)處设置有閉合該間隙之肋部（例如實施形 態中之肋部57)。 •第7發明中，透過設置於上述模組下部之上述突起部，而 於上述電池外殼之底部與上述模組之間形成有間隙（例如實 施形態中之間隙60)，且該間隙係構成為用於自上述單電池 所漏出電解液之電解液積存部。 099105149 5 201041208 第8或9發明中，於上述模組之上壁（例如實施形態中之 上壁37u)及下壁（例如實施形態中之下壁371)設置有狹縫（例 如實施形態中之狹縫S)。 第10或11發明中，上述狹縫係形成為其長度方向沿向車 輛之前後方向。 (發明效果） 根據第1發明，透過設置於模組下部之突起部，而於電池 底α卩與模組之間形成有間隙，故可將引入至電池外殼 内之外。卩氣體導入至該間隙内，並自電池外殼之上部排出， 由此可有效地排出自單電池產生之氣體。又，由於可將單電 池自下。卩遍及上部而暴露於外部氣體中，故可提高冷卻致 果。 根據第2發明，可容易將模組定位於電池外殼。 根據第3發明，可容易地進行將模組安裝於電池外殼内之 作業，且亦可容易地進行定位。 根據第4至6發明’可誘導吸氣部之空氣自單電池之下方 朝向上方通過，而防止其自間隙向上方漏氣，故可提高 池之冷卻效果。 根據第7發明，可有效地利用導引空氣之間隙。 根據第8或9發明，透過設置於上述模組之上壁及下壁 狹縫，可使空氣良好地流動。 根據第ίο或η發明，於所行駛車輛之行駛方向形成有铁 099105149 201041208 長狹縫’而可有效地吸入及排出空氣。 【實施方式】 其次’根據圖式，對本發日月實施形態進行說明。 圖1係本發明實施形態之電動二輪機車之側視圖。又，圖 2係表示電動二輪機車1中以卩除外部構件狀態之立體圖。 Ο 〇 如圖1、圖2所不，電動二輪機車1係具有擱腳部F之速 克達型之自動二輪機車，其係藉㈣置於擺臂12的行駛驅 動用電動馬達50之疑轉驅動力而驅動後輪職ι又，對電 動馬達50供給電力之高壓電池31係藉由於設置在車體之未 圖示充電口而連接外部電源並進行充電。 於主車架2之前方側端部，連結有旋轉自如地轉動支撐轉 向桿(steering Stem)7a之頭管3。於轉向桿％之上部安裝有 轉向手柄7’且於下部絲有左右—對之前叉4。於前又4 之下端部旋轉自如地軸支有前輪WF。 於主車架2之上下方向大致中央部連結有左右一對侧竿 5、5之上端部’側架5、5係自上述連接處斜下延伸並於彎 曲之後水平關，且對電動騎5G供給電力之Μ高壓電 池3i係被配设為夾持於該左右之侧架$、$之水平部分。側 架5、5之料部分向斜後側上升並向車體上方彎曲，而連 結於支撐儲物箱17等之後架6。 於侧架5、5之間，在前側安裝有下橫撐架^，且於下橫 接架24之中央部連結有主轉2之下料。於下橫撐架24 099105149 7 201041208 之後側，在侧架5、5之間安裝有下橫撐後架25。藉由下橫 樓架24與下橫撐後架25而將高壓電池31前後夾持。即， 由左右之側架5、5、下橫撐架24及下橫撐後架25而包圍 高壓電池31之周圍，以將其牢固地安裝於機車兩侧。 此處，於各側架5之高壓電池31之侧部安裝有「〕」字 形剖面之側托架23，且跨越各侧托架23而安裝有將高壓電 池31沿車寬方向固定於側架5上之固定板22。 於側架5之後部安裝有形成擺臂樞軸u之樞軸板。於 擺臂樞軸11擺動自如地軸支有僅以車寬方向左側之支臂支 樓後輪WR的懸臂式擺臂12之前端部。於擺臂12之後部， 後輪WR係藉由輪軸19而旋轉自如地而軸支，且擺臂u 之後端部係藉由後避震單元13而懸掛於後架6。 於擺臂12之下部，動力驅動單元35係收納於護罩構件 21内，其將自高壓電池31所供給之直流電流轉換成交流電 流並將其供給至電動馬達5〇。自該動力驅動單元35經由配 線L而對馬達50供給電力，並自馬達5〇起依序經由第工 減速齒輪G1、第2減速齒輪G2而向輪軸ip、後輪WR傳 遞動力。又，元件符號H係表示平滑電容器。 於轉向手柄7之車體前方側設置有作為外部零件之前罩 9，且於前罩9之上部安裝有包含速率計等之儀錶單元8。 於前罩9之車體前方側設置有頭燈10。又，於高壓電池 31之上部形成有供騎車者搁腳之擱腳部F，且於後架6之外 099105149 „ 201041208 側設置有車座罩15。於車座罩15之上部安裝有藉由車體前 方側之鉸鏈而打開或關閉之車座14。又，於車座罩15之後 端部安裝有尾燈裝置16。於樞軸板20安裝有具有於車寬方 向上隔開之2個腳架之中腳柱18。 • 於頭管3之車寬方向右側，對頭燈1〇等輔助設備及控制 - 裝置34等供給電力之12 V低壓電池30係載置於電池外殼 30a，並藉由壓板30b而固定於電池外殼3〇a上。低壓電池 〇 3〇係藉由高壓電池31之電力而進行充電。於車座罩ls之 内側、且儲物箱17之前方，配設有將高壓電池31之乃v 電壓轉換成12 V電壓之直流對直流轉換器32、及收納保險 ' 絲及繼電器等之接觸器箱33。進而，於車寬方向右側之後 架6外側，配設有經由動力驅動單元35等而控制電動馬達 50 之控制裝置(ecu，Electr〇nic c〇ntr〇i 伽印4。 圖3係高壓電池周圍之車架之側視圖，圖4係圖3之立體 〇圖’圖5係圖3之俯視圖，圖6係沿圖8之A-A線之剖視 圖’圖7係沿圖8之B-B線之剖視圖。 如圖3〜圖5所示，高壓電池31包括設置於擱卿部p 方之電池外殼36、及配置於該電池外殼36内部之電池槔会 37。於下橫撐後架25之後側上部，跨越側架5、5間而〜 * 有中橫撐架26。 戈'裝 此處，於下橫撐架24及下橫撐後架25，連結各自兩#部 而设置有用以於翻滾.越過階差時保護高壓電池 <護板 099105149 9 201041208 W跨越下橫撐架24及下橫樓後架25而於前後方向安裝有 一對下護板28(參照圖6)，以保護電池外殼％之底辟灿。 於側托架23，設置於電池狀36側部之凸緣部ς係形 成為避開固定板22 ’且該凸緣部36f係藉由螺拾Μ而固定 於焊接固定在侧架5的側托架23上表面。此處，如圖6所 不’於凸緣部36f之螺栓29之緊固部位安裝有橡膠製之安 裝構件38。 … 2圖6、圖7所示，電池外殼36係整體形成為自底壁 朝著上方而向車寬方向外侧變寬。具體而言，電池外殼 包括有底箱形之外殼本體39、及覆蓋外殼本體39之上部開 口部40之蓋41。外殼本體39於底壁3&之下表面具備用i 提高剛性之肋部361，且於底壁36t上表面之兩側緣形成有 槽42。於外殼本體39之上部開口部40之兩側緣形成有上 述凸緣部36f。於外殼本體39之上部開口部4〇周緣妒成有 嵌合槽43，且於蓋41之開口周緣形成有嵌入至嵌合槽43 内之嵌合部44，將該等外殼本體39之嵌合槽43與蓋41之 肷合部44加以嵌合，防止自外殼本體39中與蓋41之連接 部之滲水，以確保水密性。 於蓋41之上壁41z設置有凹部45’藉由設置於該凹部45 背面之墊層橡膠46，將高壓電池31之電池模組37經由板 構件P而按壓固定。 並且，如圖7所示，於電池外殼36之外殼本體39前面， 099105149 10 201041208 具體而言於前側之縱壁36k下部 =構成電池外㈣上部之蓋41之後部上表^ ;二部設置有開。部㈣，且於該開，h内二 有具備排出口 48而作為抽風機之多葉送風機49。内外 好如圖3〜圖5所示，於電池外殼36之各吸入口 47 彎曲並向上方延伸之一 連接有 伸及入管51，該吸入管51之上端η ❹ Ο 仙係於搁腳部F更上方、且於側架5相對於主車^ 口部 接部更下方處呈開口。 ' <連 又’❹葉送風機49之排出口48連接有彎曲並 伸之排出管52，該排出管52上端之開口部处亦^ 部F更上方、且與吸人管51相同之高度處呈開口。此声闇腳 吸入管51之開口部51k係於前罩9内呈開口，排出； 之開口部52k係於車座罩15内呈開口。又，吸入管μ 口部51k係形成為剖面圓形狀，排出管52之開口部你^ 形成為剔面四邊形。又’如圖3之鏈線所示，使吸入管^ 之前端部向前侧彎曲，使排出管52之前端部向後側彎曲， 並使各開口部51k、52k指向下方，藉此可使水更不易滲入。 圖8示意性地表示於電池外殻36之内部配置有單電池 54、單電池單元54u、及單模組37T之狀態。又’於圖/、 圖8中，劣略記載圖6之板構件ρ、凹部45及墊層橡膠46。 如圖6〜圖8所示，電池模組37係將單模組37Τ於車輛 前後方向配置3組而構成。單模組37Τ係包含將單電池μ 099105149 201041208 排列為上下兩段並 成之單電池單元、电池保持部55加以前後夾持支樓而構 而於車寬方向排列纟將该單電池單元54u隔著間隙56 』10 4曰。 此處，軍措 年組 37了 ' t 及側壁包括前後壁37f、37r、上下壁37u、371、 方向的車輛前後2 37u、371 ’於沿作為車輛行駛方向之 置有與電池：:向形成有狹缝S。於下壁371之轉角部設 部53係形成、之底壁3&相抵接之突起部53。該突起 37r、側壁36匕、噠，也外殻36之底壁36t、和前後壁37f、 係形成於广辟之間之角部36(1相接觸的位置處，具體而言 夕念、底壁36t^四角處。透過突起部53而於外殼本體 η — 的與電池模組37之下壁371之間形成間隙6〇。 旱才果纟且^7T从λ 37丁 丄於與電池外殼36之縱壁36k及相鄰之單模矣且 之間確保有間隙58，且於該間隙58内設置有閉合間隙 之肋4 57。藉由該肋部57，空氣不會自間隙58向上方 逃逸’而會自電池外殼36之外殼本體39下部之間隙6〇起 均等地分配至各單模組3ΤΓ之下壁3刀下側。並且，該空氣 自單拉挺37T之下壁371之狹縫S沿單電池單元Mu而均等 地流向上方。此處，肋部57係設置於吸入口 47之上側，使 所吸入之空氣首先流向電池外殼36之下部。 根據上述實施形態，當電動二輪機車1正在行駛時，若多 葉送風機49受驅動，則將如圖7之箭頭所示，自電池外鲛 36之吸入管51之開口部5ik強制性地吸入空氣。 099105149 201041208 此處’於單模組37T之下辟 .殼36之底壁36t相抵接之^ 之轉角部設置有與電池外 與電池外殼36之底壁36t、部幻，該突起部53係形成於 之角部36d相接觸的:置和前後壁37f、37r、側壁36s 四角處。由此，由於透過突，體而言係形成於底壁灿之 36t與電池模組37之下壁初二:於外殼本體39之底壁 ^ ^ 之間形成間隙60，故可將被 吸入之空氣平滑地導引至該間隙6〇〇 〇 又’由於在前後方向所設置之3組各單模組37丁之間及 與電池外殼36之縱壁36k間之間隙58内設置有肋部^， 故空氣不會自間隙58流向上方’而導入之空氣會自單模組 37T之下壁371之狹缝S均等地分布於各單電池單元5牝之 下部，並自各單電池單元54u之下部於電池保持部55所支 樓之各單電池54之周圍流向上側而冷卻單電池54，然後自 上壁37u之狹縫S向上侧排出。之後，上述空氣自電池外殼 〇 36之蓋41之上壁41Z之開口部4lh，藉由多葉送風機49 通過排出管52而自開口部52k排出。因此，空氣向上方之 排出會因狹缝S而變得良好，同時狹縫s係縱向形成於所 行駛車輛之行駛方向上’故可有效地吸入及排出空氣。 尤其，吸入管51係連詰於電池外殼36前側之縱壁3汰 ' 下部，同時排出管52係連詰於電池外殼36上部的蓋“之 上壁41z之多葉送風機49，因此自電池外殼36之下部所吸 入的空氣會朝向上部，由此玎使風容易地通過整個電池外殼 099105149 13 201041208 36内’而可有致地冷卻由各單模組37T所構成之電池 37 ’同日彳在f池減π產生氣體之情瞒，可將 效地自上部排出。 、遐有 並且’於與電池外殼36之底壁地之間形成間隙的的單 模組37T之突起部53，係與電池外殼36之底壁36t、和: 後壁37f、37r、侧壁36s之角部遍相接觸，故當於電、、也= 殼36内安裝單模組371之情況時，可容易地進行將單模会 37T定位至電池外殻36之作業。 且 並且’間隙60除了具有引入空氣之功能以外，告m 、、 田早電池 54產生漏液時亦具有有利地作為電解液積存部之功能。 又，由於高壓電池31係配置於搁腳部F之下方，故可使 電動二輪機車1之重心降低。而且，由於吸入管5丨、排 管52之各開口部51k、52k係於前罩9之内部、車座罩 之内部呈開口 ’故雨水等不會自外部進入至該等開口立 51k、52k内。又，即使例如當水已浸至擱腳部p之附斤 由於吸入管51之開口部51k及排出管52之開口部5攻係^ 於擱腳部F之上方’故電動二輪機車1可防止水浸 t電池 外殼36内。 又’本發明並不受限於上述實施形態，例如，上述雖六尤 置3組單模組37T來作為電池模組37之情形進行說明，1 只要突起部53為與電池外殼36之角部36d相接觸之开^ ^ 則單模組37T之設置個數並無限制。又’雖列舉將带 、早電池 099105149 14 201041208 54配置為兩段之情形，但亦可為一段或三段以上，對於不 採用單模組37T之構造而於電池模組37底壁之各角部設有 突起部53之構造亦可適用。又，雖就設置有一對(2根)吸入 管51之情形進行說明，但只要為複數根，則亦可為兩根以 上。 • 【圖式簡單說明】 圖1係本發明實施形態之電動二輪機車之侧視圖。 0 圖2係本發明實施形態中已卸除外部構件狀態的電動二 輪機車之立體圖。 圖3係高壓電池周圍之車架之側視圖。 _ 圖4係圖3之立體圖。 圖5係圖3之俯視圖。 圖6係沿圖8之A-A線之剖視圖。 圖7係沿圖8之B-B線之剖視圖。 Q 圖8係示意性地表示電池外殼内部之立體圖。 【主要元件符號說明】 1 電動二輪機車 2 主車架 3 頭管 4 前叉 5 側架 6 後架 099105149 15 201041208 7 轉向手柄 7a 轉向桿 8 儀錶單元 9 前罩 10 頭燈 11 擺臂枢軸 12 擺臂 13 後避震單元 14 車座 15 車座罩 16 尾燈裝置 17 儲物箱 18 中腳柱 19 輪軸 20 樞軸板 21 護罩構件 22 固定板 23 側托架 24 下橫撐架 25 下橫撐後架 26 中橫撐架 27 護板 099105149 16 201041208 28 下護板 29 螺栓 30 低壓電池 30a 電池外殼 • 30b 壓板 - 31 高壓電池 32 直流對直流轉換器 o 33 接觸器箱 34 控制裝置 35 動力驅動單元 36 電池外殻 - 36d 角部 36f 凸緣部 36k 縱壁 〇 361 ' 57 肋部 36t 底壁(底部） 37 電池模組(模組） 37T 單模組(模組） 37f 前壁 371 下壁 37r 後壁 37s 側壁 099105149 17 201041208 37u 上壁 38 安裝構件 39 外殼本體 40 上部開口部 41 蓋 41z 上壁 41h 開口部 42 槽 43 嵌合槽 44 嵌合部 45 凹部 46 塾廣橡膠 47 吸入口 48 排出口 49 多葉送風機 50 電動馬達 51 吸入管（吸氣部） 51k ' 52k 開口部 52 排出管(排氣部) 53 突起部 54 單電池 54u 單電池單元 099105149 18 201041208 55 電池保持部 56 ' 58 、 60 間隙 F 搁腳部 Η 電容器 L 配線 Ρ 板構件 S 狹縫 WF 前輪 WR 後輪 G1 第1減速齒輪 G2 第2減速齒輪 Ο 099105149 19201041208 VI. Description of the Invention: TECHNICAL FIELD OF THE INVENTION The present invention relates to a battery mounting structure for, for example, an electric two-wheeled vehicle. [Prior Art] Conventionally, there is an exhaust structure in which a battery generated from a battery can be discharged to the outside in a battery for driving an electric vehicle. Specifically, the gas 漏 leaked from the unit cells housed in the battery case flows out over the module and is released to the outside (see Patent Document 1). [PRIOR ART DOCUMENT] [Patent Document 1] [Patent Document 1] Japanese Patent Laid-Open No. Hei 2-122064--A SUMMARY OF THE INVENTION (Problems to be Solved by the Invention) However, in the above-mentioned prior art, the module is housed. It is placed in the battery case and its y bottom is placed on the battery case without a gap, so there is a possibility that it is difficult to efficiently release the gas from the unit cell to the outside. Further, there is a case where the battery cells generate heat due to discharge or the like during running of the vehicle, and it is desirable to improve the cooling efficiency of the battery cells themselves. SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a battery mounting structure which can efficiently discharge a gas generated from a single battery while improving the cooling effect. (Means for Solving the Problem) 099105149 4 201041208 In order to achieve the above object, a first aspect of the invention provides a battery mounting structure including a module in which unit cells (for example, unit cells 54 in the embodiment) are connected to each other (for example, implementation) a single module 37T and a battery module 37) in the form; a battery case for housing the module (for example, the battery case 36 in the embodiment); and an inhalation portion for inhaling into the battery case (for example, inhalation in the embodiment) Tube 51); and 'exhaust portion for exhausting from the battery casing (for example, discharge pipe 52 in the embodiment); characterized in that 'the lower portion of the module is provided with the bottom portion of the battery casing (for example, implementation) A protrusion (for example, the protrusion 53 in the embodiment) in which the bottom wall 3 & In the second aspect of the invention, the protruding portion is brought into contact with a corner portion (for example, a corner portion 36d in the embodiment) of the battery case. In the third aspect of the invention, the battery case is formed to be widened outward in the vehicle width direction from the bottom (for example, the bottom wall 36t in the embodiment), and the protrusion is in contact with the corner portion near the bottom portion. . In the fourth to sixth inventions, a plurality of the above-mentioned modules (for example, a single module 3 7 T in the embodiment) are provided, and a gap is formed between the plurality of modules (for example, implementing a lifting > 58) is provided with a rib that closes the gap (for example, the rib 57 in the embodiment). In the seventh aspect of the invention, a gap (for example, a gap 60 in the embodiment) is formed between the bottom of the battery case and the module through the protrusion provided on the lower portion of the module, and the gap is configured as An electrolyte reservoir for leaking electrolyte from the unit cell. 099105149 5 201041208 In the eighth or ninth invention, a slit is provided in the upper wall of the module (for example, the upper wall 37u in the embodiment) and the lower wall (for example, the lower wall 371 in the embodiment) (for example, in the embodiment) Slit S). In the tenth or eleventh invention, the slit is formed such that its longitudinal direction is in the front-rear direction toward the vehicle. According to the first aspect of the invention, since the gap is formed between the bottom of the battery and the module through the projection provided at the lower portion of the module, it can be introduced into the battery case. The helium gas is introduced into the gap and discharged from the upper portion of the battery case, whereby the gas generated from the unit cell can be efficiently discharged. Also, since the single battery can be taken from the bottom. The crucible is exposed to the outside air throughout the upper portion, so that the cooling effect can be improved. According to the second invention, the module can be easily positioned in the battery case. According to the third aspect of the invention, the operation of attaching the module to the battery case can be easily performed, and the positioning can be easily performed. According to the fourth to sixth inventions, the air of the inhalable portion is passed upward from the lower side of the unit cell, and the air is prevented from leaking upward from the gap, so that the cooling effect of the pool can be improved. According to the seventh invention, the gap of the guided air can be effectively utilized. According to the eighth or ninth aspect of the invention, the air is allowed to flow satisfactorily through the upper wall and the lower wall slit provided in the module. According to the invention of ίο or η, iron 099105149 201041208 long slit ′ is formed in the traveling direction of the traveling vehicle, and air can be efficiently sucked in and discharged. [Embodiment] Next, the embodiment of the present invention will be described based on the drawings. Fig. 1 is a side view of an electric two-wheeled motor vehicle according to an embodiment of the present invention. Moreover, Fig. 2 is a perspective view showing a state in which the external member is removed in the electric two-wheeled motor vehicle 1. Ο 〇 As shown in Fig. 1 and Fig. 2, the electric two-wheeled motor vehicle 1 has an automatic two-wheeled motor vehicle with a footrest F speed, which is used to suspend (4) the electric drive motor 50 for driving the swing arm 12 The high-voltage battery 31 that supplies electric power to the electric motor 50 by driving force is connected to an external power source and charged by a charging port (not shown) provided in the vehicle body. A head pipe 3 that rotatably supports a steering stem 7a is rotatably coupled to the front side end portion of the main frame 2. A steering handle 7' is attached to the upper portion of the steering lever % and has a left and right pair of front forks 4 to the lower wire. The front wheel WF is rotatably supported by the lower end of the front and the lower part. A pair of left and right side sills 5, 5 are connected to the upper center portion of the main frame 2 in the lower direction. The side frames 5, 5 are extended obliquely from the above-mentioned joints and are horizontally closed after bending, and are electrically driven 5G. The high-voltage battery 3i that supplies electric power is placed in a horizontal portion that is clamped to the left and right side frames $ and $. The material portions of the side frames 5, 5 are raised toward the oblique rear side and bent toward the upper side of the vehicle body, and are connected to the frame 6 after supporting the storage box 17 or the like. Between the side frames 5, 5, a lower cross brace ^ is attached to the front side, and a main turn 2 is connected to the center of the lower cross frame 24. On the rear side of the lower cross bracket 24 099105149 7 201041208, a lower cross bracing rear frame 25 is mounted between the side frames 5, 5. The high voltage battery 31 is held back and forth by the lower cross frame 24 and the lower cross frame rear frame 25. That is, the left and right side frames 5, 5, the lower cross frame 24, and the lower cross frame rear frame 25 surround the periphery of the high voltage battery 31 to be firmly attached to both sides of the locomotive. Here, the side bracket 23 of the "U"-shaped cross section is attached to the side portion of the high voltage battery 31 of each of the side frames 5, and the high voltage battery 31 is attached to the side frame in the vehicle width direction across the side brackets 23. 5 fixed plate 22 on. A pivot plate forming a swing arm pivot u is mounted to the rear of the side frame 5. The front end portion of the cantilever swing arm 12 of the rear wheel WR of the arm support only on the left side in the vehicle width direction is rotatably supported by the swing arm pivot 11. In the rear portion of the swing arm 12, the rear wheel WR is rotatably supported by the axle 19, and the rear end of the swing arm u is suspended from the rear frame 6 by the rear suspension unit 13. In the lower portion of the swing arm 12, the power drive unit 35 is housed in the shroud member 21, which converts the direct current supplied from the high voltage battery 31 into an alternating current and supplies it to the electric motor 5'. Electric power is supplied to the motor 50 from the power driving unit 35 via the wiring L, and the power is transmitted from the motor 5 to the wheel axle ip and the rear wheel WR via the reduction gear G1 and the second reduction gear G2 in this order. Further, the component symbol H indicates a smoothing capacitor. A front cover 9 as an outer part is provided on the front side of the body of the steering handle 7, and a meter unit 8 including a speed meter or the like is attached to the upper portion of the front cover 9. A headlight 10 is disposed on the front side of the vehicle body of the front cover 9. Further, a footrest portion F for the rider to rest the foot is formed on the upper portion of the high-voltage battery 31, and a seat cover 15 is provided on the side of the rear frame 6 other than the 099105149 „ 201041208. The vehicle is mounted on the upper portion of the seat cover 15 a seat 14 that is opened or closed by a hinge on the front side of the body. Further, a tail light device 16 is attached to the rear end of the seat cover 15. The pivot plate 20 is mounted with two legs spaced apart in the vehicle width direction. The leg 18 is provided on the right side of the head tube 3 in the vehicle width direction, and the 12 V low voltage battery 30 that supplies electric power to the auxiliary device such as the headlight 1 and the control device 34 is placed on the battery case 30a, and is pressed by the platen 30b. It is fixed to the battery case 3〇a. The low-voltage battery is charged by the electric power of the high-voltage battery 31. On the inner side of the seat cover ls and in front of the storage box 17, a high-voltage battery 31 is disposed. a DC-to-DC converter 32 that converts a voltage into a voltage of 12 V, and a contact box 33 that accommodates a fuse and a relay, etc. Further, in the vehicle width direction right side, the outside of the rack 6 is disposed via the power drive unit 35, and the like. And the control device for controlling the electric motor 50 (ecu, Ele Ctr〇nic c〇ntr〇i gamma 4. Figure 3 is a side view of the frame around the high-voltage battery, Figure 4 is a perspective view of Figure 3, Figure 5 is a top view of Figure 3, Figure 6 is along Figure 8 Fig. 7 is a cross-sectional view taken along line BB of Fig. 8. As shown in Figs. 3 to 5, the high voltage battery 31 includes a battery case 36 disposed on the side of the blank portion, and is disposed inside the battery case 36. The battery pack 37 will be placed on the rear upper side of the rear cross frame 25, across the side frames 5, 5 and ~ * with the middle cross bracket 26. The Ge's installed here, the lower cross bracket 24 and the lower cross bracing The rear frame 25 is connected to each of the two parts and is provided to be used for tumbling. The high-voltage battery is protected when the step is crossed. The guard plate 099105149 9 201041208 W is installed in the front-rear direction across the lower cross bracket 24 and the lower cross-frame rear frame 25. The lower guard plate 28 (refer to FIG. 6) protects the bottom of the battery case. The side bracket 23 is formed on the side of the battery-shaped portion 36 so as to avoid the fixing plate 22' and The flange portion 36f is fixed to the upper surface of the side bracket 23 welded and fixed to the side frame 5 by screwing. Here, the bolt 29 of the flange portion 36f is not shown in Fig. 6. A fastening member 38 made of rubber is attached to the fastening portion. 2 As shown in Fig. 6 and Fig. 7, the battery case 36 is integrally formed to be wider from the bottom wall toward the outside in the vehicle width direction. Specifically, the battery case The cover body 39 having a bottomed box shape and a cover 41 covering the upper opening portion 40 of the outer casing body 39. The outer casing body 39 has a rib 361 for improving rigidity with i on the lower surface of the bottom wall 3& and on the bottom wall 36t Grooves 42 are formed on both side edges of the upper surface. The flange portions 36f are formed on both side edges of the upper opening portion 40 of the casing body 39. A fitting groove 43 is formed in the upper opening portion 4 of the outer casing main body 39, and a fitting portion 44 is fitted into the fitting groove 43 at the periphery of the opening of the cover 41. The fitting of the casing body 39 is performed. The groove 43 is fitted to the fitting portion 44 of the lid 41 to prevent water from seeping from the joint portion of the casing body 39 and the lid 41 to ensure watertightness. A recess 45' is provided on the upper wall 41z of the cover 41. The battery module 37 of the high-voltage battery 31 is pressed and fixed via the plate member P by the cushion rubber 46 provided on the back surface of the recess 45. Further, as shown in FIG. 7, in front of the casing body 39 of the battery casing 36, 099105149 10 201041208, specifically, the lower portion of the front side vertical wall 36k = the upper portion of the cover 41 which constitutes the outer portion of the battery (four), and the second portion is provided with open. Part (4), and in the opening, h has a multi-blade blower 49 having a discharge port 48 as an exhaust fan. As shown in FIG. 3 to FIG. 5, the suction port 47 of the battery case 36 is bent and extended upward. One of the extension pipes and the inlet pipe 51 is connected. The upper end of the suction pipe 51 is η ❹ 仙 系 搁 on the footrest F Further above, the opening of the side frame 5 is lower than the main body portion. The outlet port 48 of the 'Lian'' blade blower 49 is connected to the discharge pipe 52 which is bent and extended, and the opening portion at the upper end of the discharge pipe 52 is also located above the portion F and at the same height as the suction pipe 51. Opening. The opening portion 51k of the acoustic dark suction pipe 51 is opened in the front cover 9, and is discharged. The opening 52k is opened in the seat cover 15. Further, the suction pipe opening portion 51k is formed in a circular cross section, and the opening portion of the discharge pipe 52 is formed into a truncated quadrangular shape. Further, as shown by the chain line in Fig. 3, the front end portion of the suction pipe is bent forward, and the front end portion of the discharge pipe 52 is bent toward the rear side, and the respective opening portions 51k, 52k are directed downward, thereby making the water More difficult to penetrate. Fig. 8 is a view schematically showing a state in which the battery cells 54, the battery cells 54u, and the single module 37T are disposed inside the battery case 36. Further, in Fig. 8 and Fig. 8, the plate member p, the recess 45, and the cushion rubber 46 of Fig. 6 are omitted. As shown in Fig. 6 to Fig. 8, the battery module 37 is constructed by arranging three modules 37 in the front-rear direction of the vehicle. The single module 37Τ includes a unit cell unit 0 0105105149 201041208 arranged in two upper and lower sections, and a battery holding unit 55 is disposed to sandwich the branch front and rear, and is arranged in the vehicle width direction, and the unit cell unit 54u is separated. With a gap of 56 』10 4 曰. Here, the military squad group 37 and the side wall including the front and rear walls 37f, 37r, the upper and lower walls 37u, 371, the direction of the front and rear of the vehicle 2 37u, 371 ' along with the direction of travel of the vehicle and the battery:: formation There is a slit S. The corner portion 3 of the lower wall 371 is formed by the protrusions 53 which are formed by the bottom wall 3 & The protrusion 37r, the side wall 36匕, the 哒, and the bottom wall 36t of the outer casing 36, and the front and rear walls 37f are formed at the corner portion 36 between the openings (the position at which the one is in contact with each other, specifically, the whistle and the bottom) The wall 36t^ is at the four corners. A gap 6〇 is formed between the outer casing body η and the lower wall 371 of the battery module 37 through the protrusion 53. The dryness is from the λ 37 and the battery casing 36 A longitudinal wall 36k and an adjacent single die are secured with a gap 58 therebetween, and a rib 4 57 having a closed gap is provided in the gap 58. By the rib 57, air does not escape upward from the gap 58. 'It will be evenly distributed from the gap 6 in the lower portion of the casing body 39 of the battery casing 36 to the lower side of the lower wall 3 of each single module 3 。. Moreover, the air is from the slit of the lower wall 371 of the single tensioner 37T. S flows equally upward along the cell unit Mu. Here, the rib 57 is provided on the upper side of the suction port 47, so that the sucked air first flows to the lower portion of the battery case 36. According to the above embodiment, when the electric two-wheeled vehicle 1 While driving, if the multi-blade blower 49 is driven, it will be as shown by the arrow in Figure 7, from the battery The opening portion 5ik of the suction pipe 51 of the 鲛36 forcibly sucks in air. 099105149 201041208 Here, under the single module 37T, the corner portion of the bottom wall 36t of the case 36 abuts the battery and the battery and the battery The bottom wall 36t of the outer casing 36 is partially formed by the corner portion 36d which is in contact with the front and rear walls 37f, 37r and the side walls 36s. Thus, due to the passage of the projection, the body is formed. 36t on the bottom wall and the second wall of the battery module 37: a gap 60 is formed between the bottom wall of the casing body 39, so that the sucked air can be smoothly guided to the gap 6〇〇〇. Further, since the ribs are provided in the gaps 58 between the three sets of the single modules 37 and the vertical walls 36k of the battery case 36, the air does not flow from the gap 58 upwards. The introduced air is evenly distributed from the slit S of the lower wall 371 of the single module 37T to the lower portion of each of the unit cells 5, and the cells of the floor of the battery holding portion 55 from the lower portions of the unit cells 54u. The surrounding area of 54 flows to the upper side to cool the unit cell 54, and then the slit S from the upper wall 37u to the upper side After that, the air is discharged from the opening portion 52k through the discharge pipe 52 through the opening portion 41h of the upper wall 41Z of the cover 41 of the battery casing 36, so that the air is discharged upward. The slit S becomes good, and the slit s is formed longitudinally in the traveling direction of the traveling vehicle. Therefore, the air can be efficiently sucked in and discharged. In particular, the suction pipe 51 is connected to the longitudinal wall of the front side of the battery casing 36. In the lower portion, the discharge pipe 52 is connected to the multi-blade air blower 49 of the upper wall 41z of the cover of the upper portion of the battery casing 36, so that the air taken in from the lower portion of the battery casing 36 faces the upper portion, thereby making the wind easy. Through the entire battery casing 099105149 13 201041208 36, the battery 37 formed by each single module 37T can be cooled in the same manner. In the same time, the gas is reduced by π in the f-cell, and the effect can be discharged from the upper portion. And a protrusion 53 of the single module 37T which forms a gap with the bottom wall of the battery case 36, and a bottom wall 36t of the battery case 36, and: a rear wall 37f, 37r, a side wall 36s Since the corner portions are in contact with each other, when the single module 371 is mounted in the casing 36, the operation of positioning the single mode 37T to the battery casing 36 can be easily performed. Further, in addition to the function of introducing air, the gap 60 has a function of advantageously serving as an electrolyte reservoir when the liquid leakage occurs. Further, since the high-voltage battery 31 is disposed below the footrest portion F, the center of gravity of the electric two-wheeled vehicle 1 can be lowered. Further, since the opening portions 51k and 52k of the suction pipe 5 and the discharge pipe 52 are inside the front cover 9 and the inside of the seat cover is open, rainwater or the like does not enter the openings 51k and 52k from the outside. . Further, even if the water has been immersed in the footrest portion p, the electric motor vehicle 1 can be prevented because the opening portion 51k of the suction pipe 51 and the opening portion 5 of the discharge pipe 52 are attacked above the footrest portion F. The water is immersed in the battery casing 36. Further, the present invention is not limited to the above-described embodiment. For example, although the above-described six-unit single module 37T is used as the battery module 37, the projection portion 53 is at the corner of the battery case 36. The opening of the 36d contact ^ ^ is not limited to the number of sets of the single module 37T. In addition, although the case where the early battery 099105149 14 201041208 54 is configured as two segments, but also one or three segments or more, the corners of the bottom wall of the battery module 37 are not used for the structure of the single module 37T. The structure in which the protrusions 53 are provided may also be applied. Further, although a pair of (two) suction pipes 51 are provided, the number of the suction pipes 51 may be two or more. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a side view of an electric two-wheeled motor vehicle according to an embodiment of the present invention. Fig. 2 is a perspective view of an electric two-wheeled motor vehicle in which the state of the external member has been removed in the embodiment of the present invention. Figure 3 is a side view of the frame around the high voltage battery. _ Figure 4 is a perspective view of Figure 3. Figure 5 is a plan view of Figure 3. Figure 6 is a cross-sectional view taken along line A-A of Figure 8. Figure 7 is a cross-sectional view taken along line B-B of Figure 8. Q Fig. 8 is a perspective view schematically showing the inside of a battery case. [Main component symbol description] 1 Electric two-wheeled vehicle 2 Main frame 3 Head tube 4 Front fork 5 Side frame 6 Rear frame 099105149 15 201041208 7 Steering handle 7a Steering lever 8 Instrument unit 9 Front cover 10 Headlight 11 Swing arm pivot 12 Pendulum Arm 13 Rear suspension unit 14 Seat 15 Seat cover 16 Taillight device 17 Storage box 18 Middle leg 19 Axle 20 Pivot plate 21 Shroud member 22 Fixing plate 23 Side bracket 24 Lower cross bracket 25 Lower cross bracing Rear frame 26 Middle cross bracket 27 Guard plate 099105149 16 201041208 28 Lower guard plate 29 Bolt 30 Low voltage battery 30a Battery housing • 30b pressure plate - 31 High voltage battery 32 DC to DC converter o 33 Contactor box 34 Control unit 35 Power drive unit 36 Battery Housing - 36d Corner 36f Flange 36k Vertical Wall 〇 361 ' 57 Rib 36t Bottom Wall (Bottom) 37 Battery Module (Module) 37T Single Module (Module) 37f Front Wall 371 Lower Wall 37r Rear Wall 37s side wall 099105149 17 201041208 37u upper wall 38 mounting member 39 housing body 40 upper opening portion 41 cover 41z upper wall 41h opening portion 42 slot 43 fitting groove 4 4 fitting portion 45 recessed portion 46 塾广橡胶 47 suction port 48 discharge port 49 multi-blade fan 50 electric motor 51 suction pipe (suction portion) 51k ' 52k opening portion 52 discharge pipe (exhaust portion) 53 projection portion 54 battery 54u unit battery unit 099105149 18 201041208 55 Battery holder 56 ' 58 , 60 Clearance F Footrest 电容器 Capacitor L wiring Ρ Plate member S Slit WF Front wheel WR Rear wheel G1 1st reduction gear G2 2nd reduction gear Ο 099105149 19