JP2021084575A - Saddle-riding type vehicle - Google Patents

Saddle-riding type vehicle Download PDF

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JP2021084575A
JP2021084575A JP2019216196A JP2019216196A JP2021084575A JP 2021084575 A JP2021084575 A JP 2021084575A JP 2019216196 A JP2019216196 A JP 2019216196A JP 2019216196 A JP2019216196 A JP 2019216196A JP 2021084575 A JP2021084575 A JP 2021084575A
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battery
charger
vehicle
installation space
saddle
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JP7347166B2 (en
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洋輔 河部
Yosuke Kawabe
洋輔 河部
浩太 中西
Kota Nakanishi
浩太 中西
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Suzuki Motor Corp
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Suzuki Motor Corp
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Priority to DE102020131297.0A priority patent/DE102020131297A1/en
Priority to CN202011355058.XA priority patent/CN112874675B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66—Arrangements of batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J43/00—Arrangements of batteries
    • B62J43/10—Arrangements of batteries for propulsion
    • B62J43/16—Arrangements of batteries for propulsion on motorcycles or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J50/00—Arrangements specially adapted for use on cycles not provided for in main groups B62J1/00 - B62J45/00
    • B62J50/30—Means for ventilation within devices provided on the cycle, e.g. ventilation means in a battery container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
    • B62K11/02—Frames
    • B62K11/04—Frames characterised by the engine being between front and rear wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/12—Bikes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/52—Drive Train control parameters related to converters
    • B60L2240/525—Temperature of converter or components thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2202/00—Motorised scooters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2204/00—Adaptations for driving cycles by electric motor
    • 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
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

To stabilize operations of a battery and a battery charger in an installation space inside a vehicle body.SOLUTION: A saddle-riding type vehicle (1) includes a battery (51) charged by a battery charger (55) and can travel with the power from the battery. An installation space (A1) having a dimension in a vehicle width direction which is smaller than a dimension in a vehicle length direction is formed inside a rear frame cover (24). The battery and the battery charger are installed in the installation space while being adjacent to each other in a width direction, and are oriented so that a facing area between the battery and the battery charger becomes the largest.SELECTED DRAWING: Figure 4

Description

本発明は、鞍乗型車両に関する。 The present invention relates to a saddle-mounted vehicle.

近年、電力によって走行する電動式の鞍乗型車両が開発されている。この種の鞍乗型車両として、シート下方のボディの内側にバッテリや充電器を収容したスクータタイプの車両が知られている（例えば、特許文献１参照）。特許文献１に記載の鞍乗型車両は、外部電源から充電器を介してバッテリに電力が供給され、バッテリの電力によって電動パワーユニットが駆動される。バッテリはフートボードの下方に収容され、充電器はレッグシールドの下方に収容されており、鞍乗型車両の狭いボディ内にバッテリと充電器が収められている。 In recent years, electric saddle-mounted vehicles that run on electric power have been developed. As a saddle-type vehicle of this type, a scooter-type vehicle in which a battery or a charger is housed inside a body below the seat is known (see, for example, Patent Document 1). In the saddle-mounted vehicle described in Patent Document 1, electric power is supplied to the battery from an external power source via a charger, and the electric power unit is driven by the electric power of the battery. The battery is housed below the footboard, the charger is housed below the leg shield, and the battery and charger are housed in the narrow body of a saddle-mounted vehicle.

特開２０１５−１４２４０７号公報Japanese Unexamined Patent Publication No. 2015-142407

上記したように、鞍乗型車両のボディの内側は狭く、ボディの外面が各種カバーに覆われているため、ボディの内側にはバッテリや充電器等の発熱部品で発生した熱が籠り易い。このため、バッテリ及び充電器の過度な温度上昇を抑えて、バッテリ及び充電器の動作を安定させることが望まれている。 As described above, since the inside of the body of the saddle-mounted vehicle is narrow and the outer surface of the body is covered with various covers, the heat generated by heat-generating parts such as a battery and a charger is likely to be trapped inside the body. Therefore, it is desired to suppress an excessive temperature rise of the battery and the charger to stabilize the operation of the battery and the charger.

本発明はかかる点に鑑みてなされたものであり、車両ボディの内側の設置空間において、バッテリ及び充電器の動作を安定させることができる鞍乗型車両を提供することを目的とする。 The present invention has been made in view of this point, and an object of the present invention is to provide a saddle-type vehicle capable of stabilizing the operation of a battery and a charger in an installation space inside a vehicle body.

本発明の一態様の鞍乗型車両は、充電器によってバッテリが充電され、前記バッテリからの電力によって走行可能な鞍乗型車両であって、車両ボディの内側には、車幅方向の寸法が車長方向の寸法よりも小さな設置空間が形成されており、前記設置空間には、前記バッテリと前記充電器の対向面積が最も大きくなる向きで、前記バッテリと前記充電器が車幅方向に隣接して設置されていることで上記課題を解決する。 The saddle-type vehicle according to one aspect of the present invention is a saddle-type vehicle in which a battery is charged by a charger and can travel by electric power from the battery, and the inside of the vehicle body has dimensions in the vehicle width direction. An installation space smaller than the dimension in the vehicle length direction is formed, and the battery and the charger are adjacent to each other in the vehicle width direction in the direction in which the facing area between the battery and the charger is the largest in the installation space. The above problem is solved by being installed in the above.

本発明の一態様の鞍乗型車両によれば、車幅方向の寸法が狭い車両ボディの内側に、車幅方向に隣接してバッテリと充電器が収められる。車両ボディの内側では、バッテリと充電器が広い面積で対向するため、バッテリと充電器の間で効率的に熱交換が行われる。充電中には充電器からバッテリに熱が伝えられ、走行中にはバッテリから充電器に熱が伝えられる。車両ボディの内側の狭い設置空間において、バッテリ及び充電器の過度な温度上昇が抑えられて、バッテリ及び充電器の動作を安定させることができる。 According to the saddle-mounted vehicle of one aspect of the present invention, the battery and the charger are housed inside the vehicle body having a narrow dimension in the vehicle width direction adjacent to the vehicle width direction. Inside the vehicle body, the battery and the charger face each other over a large area, so heat exchange is efficiently performed between the battery and the charger. Heat is transferred from the charger to the battery during charging, and heat is transferred from the battery to the charger while driving. In a narrow installation space inside the vehicle body, an excessive temperature rise of the battery and the charger can be suppressed, and the operation of the battery and the charger can be stabilized.

鞍乗型車両の側面図である。It is a side view of a saddle-type vehicle. 車体フレーム及び電気部品の右側面図である。It is a right side view of a body frame and an electric component. 設置空間内の電気部品の設置レイアウトを示す斜視図である。It is a perspective view which shows the installation layout of an electric component in an installation space. 設置空間内の電気部品の設置レイアウトを示す上面図である。It is a top view which shows the installation layout of an electric component in an installation space. 設置空間内の電気部品の設置レイアウトを示す右側面図である。It is a right side view which shows the installation layout of an electric component in an installation space. バッテリ及び充電器の熱交換のイメージ図である。It is an image diagram of heat exchange of a battery and a charger. 設置空間内の冷却風の流れを示す図である。It is a figure which shows the flow of the cooling air in an installation space.

本発明の一態様の鞍乗型車両は、充電器によってバッテリに電力が供給されて、バッテリからの電力によって走行可能に構成されている。車両ボディの内側には車幅方向の寸法が小さな設置空間が形成されており、設置空間にはバッテリと充電器が車幅方向に隣接するように設置されている。バッテリと充電器が広い面積で対向してバッテリと充電器の間で効率的に熱交換が行われる。車両ボディの狭い設置空間において、充電中には充電器からバッテリに熱が伝えられ、走行中にはバッテリから充電器に熱が伝えられる。バッテリ及び充電器の過度な温度上昇が抑えられて、バッテリ及び充電器の動作が安定する。 The saddle-mounted vehicle according to one aspect of the present invention is configured such that electric power is supplied to the battery by a charger and the vehicle can be driven by the electric power from the battery. An installation space having a small dimension in the vehicle width direction is formed inside the vehicle body, and a battery and a charger are installed adjacent to each other in the vehicle width direction in the installation space. The battery and the charger face each other over a large area, and heat exchange is efficiently performed between the battery and the charger. In the narrow installation space of the vehicle body, heat is transferred from the charger to the battery during charging, and heat is transferred from the battery to the charger while driving. Excessive temperature rise of the battery and charger is suppressed, and the operation of the battery and charger is stabilized.

以下、添付図面を参照して、本実施例について詳細に説明する。本実施例では鞍乗型車両はスクータタイプの鞍乗型車両であるが、鞍乗型車両は電動式又はハイブリッド式の他の鞍乗型車両でもよい。また、以下の図では、矢印ＦＲは車両前方、矢印ＲＥは車両後方、矢印Ｌは車両左方、矢印Ｒは車両右方をそれぞれ示している。図１は鞍乗型車両の左側面図である。図２は車体フレーム及び電気部品の右側面図である。 Hereinafter, this embodiment will be described in detail with reference to the accompanying drawings. In this embodiment, the saddle-type vehicle is a scooter-type saddle-type vehicle, but the saddle-type vehicle may be another electric or hybrid-type saddle-type vehicle. Further, in the following figures, the arrow FR indicates the front of the vehicle, the arrow RE indicates the rear of the vehicle, the arrow L indicates the left side of the vehicle, and the arrow R indicates the right side of the vehicle. FIG. 1 is a left side view of a saddle-mounted vehicle. FIG. 2 is a right side view of the vehicle body frame and electric parts.

図１に示すように、スクータタイプの鞍乗型車両１は、アンダーボーン型の車体フレーム１０（図２参照）に車体外装として各種カバーを装着して構成されている。車両前側にはフロントフレームカバー２１が設けられており、フロントフレームカバー２１の後側には搭乗者の足回りを保護するレッグシールド２２が設けられている。レッグシールド２２の下端から後方に向かってフートボード２３が延在しており、フートボード２３の後方にはリアフレームカバー２４が設けられている。レッグシールド２２とフートボード２３によってライダーシート４１の前方に搭乗者の足置き空間が形成されている。 As shown in FIG. 1, the scooter type saddle-mounted vehicle 1 is configured by attaching various covers as a vehicle body exterior to an underbone type vehicle body frame 10 (see FIG. 2). A front frame cover 21 is provided on the front side of the vehicle, and a leg shield 22 for protecting the undercarriage of the occupant is provided on the rear side of the front frame cover 21. The footboard 23 extends from the lower end of the leg shield 22 toward the rear, and a rear frame cover 24 is provided behind the footboard 23. The leg shield 22 and the footboard 23 form a footrest space for the occupant in front of the rider seat 41.

フロントフレームカバー２１の上側にはハンドル３２が設けられ、フロントフレームカバー２１の下側には一対のフロントフォーク３３を介して前輪３４が回転可能に支持されている。リアフレームカバー２４の上側にはライダーシート４１とピリオンシート４２が設けられ、リアフレームカバー２４の下側にはスイングアームカバー４７に覆われたスイングアーム４３（図５参照）が設けられている。スイングアーム４３の後部には後輪４４が回転可能に支持されており、このスイングアーム４３の後部はサスペンション４５を介して車体フレーム１０（支持フレーム１５）に接続されている。 A handle 32 is provided on the upper side of the front frame cover 21, and the front wheels 34 are rotatably supported on the lower side of the front frame cover 21 via a pair of front forks 33. A rider seat 41 and a pillion seat 42 are provided on the upper side of the rear frame cover 24, and a swing arm 43 (see FIG. 5) covered with a swing arm cover 47 is provided on the lower side of the rear frame cover 24. A rear wheel 44 is rotatably supported at the rear portion of the swing arm 43, and the rear portion of the swing arm 43 is connected to a vehicle body frame 10 (support frame 15) via a suspension 45.

図２に示すように、車体フレーム１０の前側部分には、ステアリングシャフト（不図示）が挿入されるヘッドパイプ１１が設けられている。ヘッドパイプ１１からフロントフレーム１２が下方に向かって延出し、フロントフレーム１２の下部から一対のロアフレーム１３が後方に向かって延出している。一対のロアフレーム１３の略中間部から一対のリアフレーム１４が斜め後方に立ち上がり、一対のロアフレーム１３の後部から一対の支持フレーム１５が斜め後方に立ち上がっている。一対のリアフレーム１４の後部には一対の支持フレーム１５の後部が下側から接続されている。 As shown in FIG. 2, a head pipe 11 into which a steering shaft (not shown) is inserted is provided in a front portion of the vehicle body frame 10. The front frame 12 extends downward from the head pipe 11, and a pair of lower frames 13 extend rearward from the lower part of the front frame 12. A pair of rear frames 14 rise diagonally rearward from a substantially intermediate portion of the pair of lower frames 13, and a pair of support frames 15 rise diagonally rearward from the rear portion of the pair of lower frames 13. The rear portions of the pair of support frames 15 are connected to the rear portions of the pair of rear frames 14 from below.

一対のリアフレーム１４及び一対の支持フレーム１５の内側、すなわちリアフレームカバー２４の内側に各電気部品の設置空間Ａ１（図３参照）が形成されている。設置空間Ａ１の上側には、電源電力を所定電圧の直流電力に変換する充電器５５と、直流電力の電圧を降圧するＤＣＤＣコンバータ（他の電気部品）６５と、降圧後の直流電力を充電するバッテリ５１（図３参照）とが設置されている。設置空間Ａ１の下側には、直流電力を交流電力に変換するインバータ７１を介してバッテリ５１に接続される電動パワーユニット７５が設置されている。インバータ７１は、電動パワーユニット７５の前方の一対のロアフレーム１３の間に設置されている。 An installation space A1 (see FIG. 3) for each electric component is formed inside the pair of rear frames 14 and the pair of support frames 15, that is, inside the rear frame cover 24. On the upper side of the installation space A1, a charger 55 that converts power supply power into DC power of a predetermined voltage, a DCDC converter (other electric parts) 65 that lowers the voltage of DC power, and DC power after step-down are charged. A battery 51 (see FIG. 3) is installed. An electric power unit 75 connected to the battery 51 via an inverter 71 that converts DC power into AC power is installed below the installation space A1. The inverter 71 is installed between a pair of lower frames 13 in front of the electric power unit 75.

また、一対のリアフレーム１４及び一対の支持フレーム１５は、それぞれ一対のピボットブラケット１６を介して前後方向で連結されている。一対のピボットブラケット１６にはスイングアーム４３が上下方向に揺動可能に連結されており、上記したようにスイングアーム４３にはスイングアームカバー４７が取り付けられている。スイングアームカバー４７によって電動パワーユニット７５のスプロケット（不図示）及びチェーン４６（図１参照）が覆われており、スプロケット及びチェーン４６を介して電動パワーユニット７５の駆動力が後輪４４に伝達される。 Further, the pair of rear frames 14 and the pair of support frames 15 are connected in the front-rear direction via a pair of pivot brackets 16, respectively. A swing arm 43 is swingably connected to the pair of pivot brackets 16 in the vertical direction, and a swing arm cover 47 is attached to the swing arm 43 as described above. The sprocket (not shown) and the chain 46 (see FIG. 1) of the electric power unit 75 are covered by the swing arm cover 47, and the driving force of the electric power unit 75 is transmitted to the rear wheels 44 via the sprocket and the chain 46.

一般に、鞍乗型車両１の車両ボディは、全体的に車幅方向に薄く車長方向に長く形成されている。リアフレームカバー２４は上面視にてライダーシート４１の外周に沿っており、リアフレームカバー２４の内側の設置空間Ａ１が車両後方から車両前方に向かって車幅方向の寸法が小さくなるように形成されている（図４参照）。この狭い設置空間Ａ１に充電用の複数の電気部品が設置されるため、各電気部品から発生した熱がリアフレームカバー２４の内側に籠り易い。各電気部品の動作を安定させるために、各電気部品の過度な温度上昇を抑える構造が望まれている。 Generally, the vehicle body of the saddle-mounted vehicle 1 is formed to be thin in the vehicle width direction and long in the vehicle length direction as a whole. The rear frame cover 24 is formed along the outer circumference of the rider seat 41 in a top view, and the installation space A1 inside the rear frame cover 24 is formed so that the dimension in the vehicle width direction decreases from the rear of the vehicle to the front of the vehicle. (See Fig. 4). Since a plurality of electric components for charging are installed in this narrow installation space A1, the heat generated from each electric component is likely to be trapped inside the rear frame cover 24. In order to stabilize the operation of each electric component, a structure that suppresses an excessive temperature rise of each electric component is desired.

そこで、本実施例の鞍乗型車両１では、充電用の複数の電気部品の形状及び設置を工夫して、リアフレームカバー２４の内側の狭い設置空間Ａ１に、バッテリ５１や充電器５５等の複数の電気部品が設置されている。このとき、充電器５５とバッテリ５１が広い面積で対向するように、設置空間Ａ１において充電器５５とバッテリ５１が隣接されている。充電器５５とバッテリ５１の間で熱交換が実施されることで、充電器５５とバッテリ５１の過度な温度上昇が抑えられている。また、設置空間Ａ１に冷却風を流すことで、設置空間Ａ１の熱気が外部に排出されている。 Therefore, in the saddle-mounted vehicle 1 of the present embodiment, the shape and installation of a plurality of electric components for charging are devised, and the battery 51, the charger 55, etc. are placed in the narrow installation space A1 inside the rear frame cover 24. Multiple electrical components are installed. At this time, the charger 55 and the battery 51 are adjacent to each other in the installation space A1 so that the charger 55 and the battery 51 face each other in a wide area. By performing heat exchange between the charger 55 and the battery 51, an excessive temperature rise of the charger 55 and the battery 51 is suppressed. Further, by flowing the cooling air through the installation space A1, the hot air in the installation space A1 is discharged to the outside.

以下、図３から図５を参照して、設置空間内の電気部品の設置レイアウトについて説明する。図３は、設置空間内の電気部品の設置レイアウトを示す斜視図である。図４は、設置空間内の電気部品の設置レイアウトを示す上面図である。図５は、設置空間内の電気部品の設置レイアウトを示す右側面図である。また、図３から図５の一部のケーブルは省略されている。 Hereinafter, the installation layout of the electrical components in the installation space will be described with reference to FIGS. 3 to 5. FIG. 3 is a perspective view showing an installation layout of electrical components in the installation space. FIG. 4 is a top view showing the installation layout of electrical components in the installation space. FIG. 5 is a right side view showing the installation layout of the electric components in the installation space. Further, some cables of FIGS. 3 to 5 are omitted.

図３から図５に示すように、リアフレームカバー２４の内側の設置空間Ａ１（図１参照）は、車両後方から車両前方に向かって車幅方向の寸法が小さくなるように形成されている。設置空間Ａ１には、バッテリ５１、充電器５５、ＤＣＤＣコンバータ６５が板状ブラケット７７を介してユニット化されたバッテリユニット５０が収容されている。バッテリユニット５０は、バッテリ５１、充電器５５、ＤＣＤＣコンバータ６５を設置空間Ａ１に合うような形状及び設置にして、設置空間Ａ１にバッテリ５１、充電器５５、ＤＣＤＣコンバータ６５を集約可能に形成されている。 As shown in FIGS. 3 to 5, the installation space A1 (see FIG. 1) inside the rear frame cover 24 is formed so that the dimension in the vehicle width direction decreases from the rear of the vehicle to the front of the vehicle. The installation space A1 houses a battery unit 50 in which a battery 51, a charger 55, and a DCDC converter 65 are unitized via a plate-shaped bracket 77. The battery unit 50 is formed so that the battery 51, the charger 55, and the DCDC converter 65 are shaped and installed so as to fit the installation space A1, and the battery 51, the charger 55, and the DCDC converter 65 can be integrated in the installation space A1. There is.

バッテリユニット５０は、設置空間Ａ１と同様に、上面視にて車両後方から車両前方に向かって車幅方向の寸法が小さくなるように形成されている。板状ブラケット７７の一対の主面を車幅方向に向けた状態で、板状ブラケット７７の一方の主面にバッテリ５１が固定され、板状ブラケット７７の他方の主面の後部に充電器５５が固定され、板状ブラケット７７の他方の主面の前部にＤＣＤＣコンバータ６５が固定されている。設置空間Ａ１を車幅方向に３分割した場合に、中央から左側にかけてバッテリ５１が位置付けられ、右後側に充電器５５が位置付けられ、右前側にＤＣＤＣコンバータ６５が位置付けられる。 Similar to the installation space A1, the battery unit 50 is formed so that the dimension in the vehicle width direction decreases from the rear of the vehicle to the front of the vehicle when viewed from above. With the pair of main surfaces of the plate bracket 77 facing in the vehicle width direction, the battery 51 is fixed to one main surface of the plate bracket 77, and the charger 55 is attached to the rear of the other main surface of the plate bracket 77. Is fixed, and the DCDC converter 65 is fixed to the front portion of the other main surface of the plate-shaped bracket 77. When the installation space A1 is divided into three in the vehicle width direction, the battery 51 is positioned from the center to the left side, the charger 55 is positioned on the right rear side, and the DCDC converter 65 is positioned on the right front side.

バッテリ５１は、左右一対のケース半体５２、５３の内側に複数のセル（単電池）を収容して形成されている。左側のケース半体５２が設置空間Ａ１の左側に位置付けられ、右側のケース半体５３は設置空間Ａ１の中央に位置付けられている。左側のケース半体５２は上面視台形のボックス状に形成され、右側のケース半体５３は上面視長方形のボックス状に形成されている。左右のケース半体５２、５３の車幅方向の合計寸法は、各ケース半体５２、５３の車長方向及び高さ方向の寸法よりも小さい。設置空間Ａ１には、短手方向が車幅方向を向くようにバッテリ５１が設置されている。 The battery 51 is formed by accommodating a plurality of cells (cells) inside a pair of left and right case halves 52 and 53. The left case half 52 is positioned on the left side of the installation space A1, and the right case half 53 is positioned in the center of the installation space A1. The case half body 52 on the left side is formed in the shape of a trapezoidal top view, and the case half body 53 on the right side is formed in the shape of a rectangular box in the top view. The total dimensions of the left and right case halves 52 and 53 in the vehicle width direction are smaller than the dimensions of the case halves 52 and 53 in the vehicle length direction and the height direction. In the installation space A1, the battery 51 is installed so that the lateral direction faces the vehicle width direction.

また、バッテリ５１の右側のケース半体５３の上側の前端部分には、ライダーシート４１（図１参照）を支持する揺動ブラケット５４が設けられている。ライダーシート４１は、揺動ブラケット５４を介してリアフレームカバー２４の内側のバッテリ５１によって下方から支持されている。バッテリ５１の前端部分を支点にしてライダーシート４１が開かれることで、設置空間Ａ１のバッテリユニット５０が外部に露出される。バッテリ５１の前半部の高さ方向の寸法は、電動パワーユニット７５を避けるように、バッテリ５１の後半部の高さ方向の寸法よりも小さく形成されている。 Further, a swing bracket 54 for supporting the rider seat 41 (see FIG. 1) is provided at the upper front end portion of the case half 53 on the right side of the battery 51. The rider seat 41 is supported from below by the battery 51 inside the rear frame cover 24 via the swing bracket 54. By opening the rider seat 41 with the front end portion of the battery 51 as a fulcrum, the battery unit 50 in the installation space A1 is exposed to the outside. The height dimension of the front half of the battery 51 is formed smaller than the height dimension of the second half of the battery 51 so as to avoid the electric power unit 75.

設置空間Ａ１においてバッテリ５１の右側には、短手方向が車幅方向を向き、長手方向が高さ方向を向くように充電器５５が設置されている。充電器５５は、直方体のボックス状に形成されている。充電器５５はバッテリ５１の後部に車幅方向に隣接している。充電器５５の右側面５６には、充電器５５を部分的に覆う冷却ケース６１が取り付けられ、冷却ケース６１の前方に多数の放熱フィン５８が設けられている。冷却ケース６１の下部には、充電器５５の右側面５６に外気を送り込む冷却ファン６２が設けられている。冷却ファン６２及び多数の放熱フィン５８によって充電器５５が効果的に冷却されている。 On the right side of the battery 51 in the installation space A1, the charger 55 is installed so that the lateral direction faces the vehicle width direction and the longitudinal direction faces the height direction. The charger 55 is formed in the shape of a rectangular parallelepiped box. The charger 55 is adjacent to the rear of the battery 51 in the vehicle width direction. A cooling case 61 that partially covers the charger 55 is attached to the right side surface 56 of the charger 55, and a large number of heat radiation fins 58 are provided in front of the cooling case 61. At the lower part of the cooling case 61, a cooling fan 62 for sending outside air to the right side surface 56 of the charger 55 is provided. The charger 55 is effectively cooled by the cooling fan 62 and a large number of radiating fins 58.

設置空間Ａ１において充電器５５の前方には、短手方向が車幅方向を向き、長手方向が高さ方向を向くようにＤＣＤＣコンバータ６５が設置される。ＤＣＤＣコンバータ６５は、直方体のボックス状に形成されている。ＤＣＤＣコンバータ６５は、バッテリ５１の前部に車幅方向に隣接し、充電器５５の上半部に車長方向に隣接している。ＤＣＤＣコンバータ６５の右側面には多数の放熱フィン６９が設けられている。ＤＣＤＣコンバータ６５の高さ方向、車長方向、車幅方向の各寸法は、充電器５５の高さ方向、車長方向、車幅方向の各寸法よりも小さく形成されている。 In the installation space A1, the DCDC converter 65 is installed in front of the charger 55 so that the lateral direction faces the vehicle width direction and the longitudinal direction faces the height direction. The DCDC converter 65 is formed in the shape of a rectangular parallelepiped box. The DCDC converter 65 is adjacent to the front portion of the battery 51 in the vehicle width direction and adjacent to the upper half portion of the charger 55 in the vehicle length direction. A large number of heat radiation fins 69 are provided on the right side surface of the DCDC converter 65. The height direction, vehicle length direction, and vehicle width direction of the DCDC converter 65 are formed to be smaller than the height direction, vehicle length direction, and vehicle width direction of the charger 55.

設置空間Ａ１においてバッテリ５１の下方には、電動パワーユニット７５が設置されている。ライダーシート４１の下方に、重量物であるバッテリ５１、充電器５５、ＤＣＤＣコンバータ６５、電動パワーユニット７５が設置されているため、鞍乗型車両１（図１参照）の操縦安定性が向上される。電動パワーユニット７５の前方にはインバータ７１が設置されている。インバータ７１がバッテリ５１及び電動パワーユニット７５の近くに設置されているため、バッテリ５１からインバータ７１までの送電ケーブル７２、インバータ７１から電動パワーユニット７５までの送電ケーブル７３が短縮される。 An electric power unit 75 is installed below the battery 51 in the installation space A1. Since the heavy battery 51, the charger 55, the DCDC converter 65, and the electric power unit 75 are installed below the rider seat 41, the steering stability of the saddle-mounted vehicle 1 (see FIG. 1) is improved. .. An inverter 71 is installed in front of the electric power unit 75. Since the inverter 71 is installed near the battery 51 and the electric power unit 75, the power transmission cable 72 from the battery 51 to the inverter 71 and the power transmission cable 73 from the inverter 71 to the electric power unit 75 are shortened.

送電ケーブル８１は、一端側が充電器５５に接続され、他端側がバッテリ５１、ＤＣＤＣコンバータ６５に接続される。送電ケーブル８２は、一端側が充電器５５に接続され、他端側が車両前部に位置する充電口７０（図２参照）に接続される。送電ケーブル８２は、中間部分が車両の右側にて前後方向に延び、インバータ７１及び電動パワーユニット７５の右側方を通過する。また、バッテリ５１、充電器５５、ＤＣＤＣコンバータ６５等の電源供給関連の装置、車両制御装置、灯火装置等を含む車両の各種電装装置に接続されるワイヤーハーネス８９が、送電ケーブル８２に沿う様に車両の右側にて前後方向に延び、インバータ７１及び電動パワーユニット７５の右側方を通過する。充電器５５の上面には、送電ケーブル８１、８２の接続部分８３、８４が形成されている。バッテリ５１の右側面の前部には、右側方に向けられた一対の接続部分８５を有し、一対の接続部分８５には送電ケーブル８１のコネクタ８６、ワイヤーハーネス８９のコネクタ９１が右側方から接続される。ＤＣＤＣコンバータ６５の前側面には、前方に向けられた接続部分８７を有し、接続部分８７には送電ケーブル８１のコネクタ８８、ワイヤーハーネス８９のコネクタ９０が前方から接続される。 One end of the power transmission cable 81 is connected to the charger 55, and the other end is connected to the battery 51 and the DCDC converter 65. One end of the power transmission cable 82 is connected to the charger 55, and the other end is connected to the charging port 70 (see FIG. 2) located at the front of the vehicle. The middle portion of the power transmission cable 82 extends in the front-rear direction on the right side of the vehicle and passes through the right side of the inverter 71 and the electric power unit 75. Further, the wire harness 89 connected to various electrical devices of the vehicle including the power supply related devices such as the battery 51, the charger 55 and the DCDC converter 65, the vehicle control device, the lighting device and the like is aligned with the power transmission cable 82. It extends in the front-rear direction on the right side of the vehicle and passes through the right side of the inverter 71 and the electric power unit 75. Connection portions 83, 84 of the power transmission cables 81, 82 are formed on the upper surface of the charger 55. The front portion of the right side surface of the battery 51 has a pair of connecting portions 85 directed to the right side, and the connector 86 of the power transmission cable 81 and the connector 91 of the wire harness 89 are connected to the pair of connecting portions 85 from the right side. Be connected. The front side surface of the DCDC converter 65 has a connecting portion 87 facing forward, and the connector 88 of the power transmission cable 81 and the connector 90 of the wire harness 89 are connected to the connecting portion 87 from the front.

上記したように、リアフレームカバー２４の内側の設置空間Ａ１は車両後方から車両前方に向かって車幅方向の寸法が小さくなっている。バッテリ５１は設置空間Ａ１の中央から左側に収まる形状に形成され、充電器５５は設置空間Ａ１の右後側に収まる大きさに形成されている。このため、車幅方向の寸法が小さな設置空間Ａ１にバッテリ５１と充電器５５が車幅方向に隣接して設置される。充電器５５の前方に余ったデッドスペースには、小型のＤＣＤＣコンバータ６５が設置されている。このように、設置空間Ａ１にはバッテリ５１、充電器５５、ＤＣＤＣコンバータ６５がコンパクトに収められている。 As described above, the installation space A1 inside the rear frame cover 24 has a smaller dimension in the vehicle width direction from the rear of the vehicle to the front of the vehicle. The battery 51 is formed in a shape that fits on the left side from the center of the installation space A1, and the charger 55 is formed in a size that fits on the right rear side of the installation space A1. Therefore, the battery 51 and the charger 55 are installed adjacent to each other in the vehicle width direction in the installation space A1 having a small dimension in the vehicle width direction. A small DCDC converter 65 is installed in the dead space left in front of the charger 55. As described above, the battery 51, the charger 55, and the DCDC converter 65 are compactly housed in the installation space A1.

続いて、図６及び図７を参照して、バッテリ及び充電器の冷却構造について説明する。図６は、バッテリ及び充電器の熱交換のイメージ図である。図７は、設置空間内の冷却風の流れを示す図である。 Subsequently, the cooling structure of the battery and the charger will be described with reference to FIGS. 6 and 7. FIG. 6 is an image diagram of heat exchange between the battery and the charger. FIG. 7 is a diagram showing the flow of cooling air in the installation space.

図６に示すように、バッテリ５１と充電器５５の対向面積が最も大きくなるように、バッテリ５１及び充電器５５の短手方向が車幅方向に向けられて、設置空間Ａ１にバッテリ５１と充電器５５が隣接して設置されている。より詳細には、バッテリ５１の右側面に板状ブラケット７７を介して充電器５５の左側面が固定されている。バッテリ５１のバッテリケース、板状ブラケット７７、充電器５５の充電ケースは、それぞれ熱伝導率が高い金属材料等によって形成されている。これにより、バッテリ５１と充電器５５の間で板状ブラケット７７を介して熱交換が行われる。 As shown in FIG. 6, the lateral direction of the battery 51 and the charger 55 is directed toward the vehicle width so that the facing area between the battery 51 and the charger 55 is the largest, and the battery 51 and the charger 55 are charged in the installation space A1. The vessel 55 is installed adjacent to it. More specifically, the left side surface of the charger 55 is fixed to the right side surface of the battery 51 via the plate-shaped bracket 77. The battery case of the battery 51, the plate-shaped bracket 77, and the charging case of the charger 55 are each made of a metal material having high thermal conductivity. As a result, heat exchange is performed between the battery 51 and the charger 55 via the plate-shaped bracket 77.

バッテリ５１のバッテリケースは、充電器５５の充電ケースよりも大きく形成されている。このため、バッテリケースの熱容量は、充電ケースの熱容量よりも大きく、バッテリ５１が充電器５５よりも温度上昇し難い。バッテリ５１の充電中は、矢印Ａに示すように充電器５５の発熱がバッテリケースに吸収されて、充電器５５の過度な温度上昇が抑えられる。バッテリケースは充電器５５の発熱を吸収するが、バッテリケースの熱容量が大きいため、バッテリ５１が過度に温度上昇することがない。したがって、充電器５５及びバッテリ５１の過度な温度上昇を抑えて動作を安定することができる。 The battery case of the battery 51 is formed larger than the charging case of the charger 55. Therefore, the heat capacity of the battery case is larger than the heat capacity of the charging case, and the temperature of the battery 51 is less likely to rise than that of the charger 55. During charging of the battery 51, the heat generated by the charger 55 is absorbed by the battery case as shown by arrow A, and an excessive temperature rise of the charger 55 is suppressed. The battery case absorbs the heat generated by the charger 55, but since the heat capacity of the battery case is large, the temperature of the battery 51 does not rise excessively. Therefore, it is possible to suppress an excessive temperature rise of the charger 55 and the battery 51 and stabilize the operation.

鞍乗型車両１の走行中は、矢印Ｂに示すようにバッテリ５１の発熱が充電ケースに吸収されて、バッテリ５１の温度上昇が抑えられている。充電ケースはバッテリ５１の発熱を吸収するが、バッテリケース自体の熱容量が大きく温度上昇し難いため、バッテリケースから充電器５５に高い温度が伝わらず、充電器５５が過度に温度上昇することがない。なお、鞍乗型車両１の走行中は、充電器５５は停止しているため、バッテリ５１の発熱が充電器５５の動作に悪影響を与えることがない。したがって、充電器５５及びバッテリ５１の過度な温度上昇を抑えて動作を安定することができる。 While the saddle-mounted vehicle 1 is traveling, the heat generated by the battery 51 is absorbed by the charging case as shown by the arrow B, and the temperature rise of the battery 51 is suppressed. The charging case absorbs the heat generated by the battery 51, but since the heat capacity of the battery case itself is large and the temperature does not easily rise, the high temperature is not transmitted from the battery case to the charger 55, and the temperature of the charger 55 does not rise excessively. .. Since the charger 55 is stopped while the saddle-mounted vehicle 1 is traveling, the heat generated by the battery 51 does not adversely affect the operation of the charger 55. Therefore, it is possible to suppress an excessive temperature rise of the charger 55 and the battery 51 and stabilize the operation.

ＤＣＤＣコンバータ６５についても、充電器５５と同様に過度な温度上昇が抑えられている。バッテリ５１とＤＣＤＣコンバータ６５の対向面積が最も大きくなるように、バッテリ５１とＤＣＤＣコンバータ６５が隣接して設置されている。ＤＣＤＣコンバータ６５のコンバータケースも熱伝導率が高い金属材料等によって形成されている。バッテリ５１の充電中は、ＤＣＤＣコンバータ６５の発熱がバッテリケースに吸収されて、ＤＣＤＣコンバータ６５の過度な温度上昇が抑えられる。鞍乗型車両１の走行中は、バッテリ５１の発熱がコンバータケースに吸収されて、バッテリ５１の温度上昇が抑えられている。 As with the charger 55, the DCDC converter 65 also suppresses an excessive temperature rise. The battery 51 and the DCDC converter 65 are installed adjacent to each other so that the facing area between the battery 51 and the DCDC converter 65 is the largest. The converter case of the DCDC converter 65 is also made of a metal material having high thermal conductivity. During charging of the battery 51, the heat generated by the DCDC converter 65 is absorbed by the battery case, and an excessive temperature rise of the DCDC converter 65 is suppressed. While the saddle-mounted vehicle 1 is traveling, the heat generated by the battery 51 is absorbed by the converter case, and the temperature rise of the battery 51 is suppressed.

図７に示すように、リアフレームカバー２４の後方側は開放されており、リアフレームカバー２４の内側の設置空間Ａ１が後輪４４の周辺空間Ａ２に連なっている。設置空間Ａ１の後輪４４側には充電器５５が設置されており、充電器５５の右側面は部分的に冷却ケース６１によって覆われている。冷却ケース６１の下部には、後輪４４の周辺空間Ａ２から冷却ケース６１内に外気を取り込む冷却ファン６２が設けられている。冷却ケース６１の前面には開口（不図示）が形成されており、充電器５５の右側面５６には冷却ケース６１の前面６３に沿って多数の放熱フィン５８が高さ方向に並んでいる。 As shown in FIG. 7, the rear side of the rear frame cover 24 is open, and the installation space A1 inside the rear frame cover 24 is connected to the peripheral space A2 of the rear wheel 44. A charger 55 is installed on the rear wheel 44 side of the installation space A1, and the right side surface of the charger 55 is partially covered by the cooling case 61. A cooling fan 62 that takes in outside air from the peripheral space A2 of the rear wheel 44 into the cooling case 61 is provided below the cooling case 61. An opening (not shown) is formed on the front surface of the cooling case 61, and a large number of heat radiation fins 58 are arranged in the height direction along the front surface 63 of the cooling case 61 on the right side surface 56 of the charger 55.

多数の放熱フィン５８は、冷却ファン６２側からＤＣＤＣコンバータ６５側、すなわち車両後方から車両前方に向かって高くなるように斜めに延びている。隣り合う放熱フィン５８の間は、冷却ケース６１の開口から噴出された冷却風をＤＣＤＣコンバータ６５に向けてガイドする流路になっている。このように、放熱フィン５８は、放熱部材としてだけでなく、冷却風のガイド部材としても機能している。ＤＣＤＣコンバータ６５は充電器５５の前方に設置されており、ＤＣＤＣコンバータ６５の右側面には多数の放熱フィン６９が形成されている。多数の放熱フィン６９は、車両後方から車両前方に向かって水平に延びている。 A large number of heat radiation fins 58 extend obliquely from the cooling fan 62 side to the DCDC converter 65 side, that is, from the rear of the vehicle toward the front of the vehicle. Between the adjacent heat radiation fins 58, there is a flow path that guides the cooling air ejected from the opening of the cooling case 61 toward the DCDC converter 65. As described above, the heat radiating fin 58 functions not only as a heat radiating member but also as a cooling air guide member. The DCDC converter 65 is installed in front of the charger 55, and a large number of heat radiation fins 69 are formed on the right side surface of the DCDC converter 65. A large number of heat radiation fins 69 extend horizontally from the rear of the vehicle toward the front of the vehicle.

バッテリ５１の充電中には冷却ファン６２が駆動されて、冷却ファン６２によって後輪４４の周辺空間Ａ２から取り込まれた外気が冷却風として冷却ケース６１に送り込まれる。冷却ケース６１内の冷却風は、充電器５５の熱を吸収しながら充電器５５の右側面５６に沿って流れ、冷却ケース６１の開口を通じて多数の放熱フィン５８の間に流れ込む。放熱フィン５８の間の冷却風は、放熱フィン５８の熱を吸収しながらＤＣＤＣコンバータ６５に向けてガイドされる。放熱フィン５８の通過後の冷却風の一部は、ＤＣＤＣコンバータ６５の右側面に吹き付けられて、ＤＣＤＣコンバータ６５の熱が吸収される。 While the battery 51 is being charged, the cooling fan 62 is driven, and the outside air taken in from the peripheral space A2 of the rear wheels 44 by the cooling fan 62 is sent to the cooling case 61 as cooling air. The cooling air in the cooling case 61 flows along the right side surface 56 of the charger 55 while absorbing the heat of the charger 55, and flows between the large number of heat radiation fins 58 through the opening of the cooling case 61. The cooling air between the heat radiating fins 58 is guided toward the DCDC converter 65 while absorbing the heat of the heat radiating fins 58. A part of the cooling air after passing through the heat radiating fins 58 is blown onto the right side surface of the DCDC converter 65 to absorb the heat of the DCDC converter 65.

暖まった冷却風は、充電器５５を回り込むようにして、リアフレームカバー２４の後方側から後輪４４の周辺空間Ａ２に排出される。設置空間Ａ１に籠った熱気が後輪４４の周辺空間Ａ２に排出され、後輪４４の周辺空間Ａ２から外気が冷却風として設置空間Ａ１に取り込まれて、設置空間Ａ１の熱気と外気が入れ替えられている。このように、冷却風の吹き付け及び放熱フィン５８によって充電器５５が効果的に冷却され、リアフレームカバー２４の内側の熱気が外部に排出されることで、充電器５５の過度な温度上昇が抑えられている。 The warm cooling air is discharged from the rear side of the rear frame cover 24 to the peripheral space A2 of the rear wheel 44 so as to go around the charger 55. The hot air trapped in the installation space A1 is discharged to the peripheral space A2 of the rear wheel 44, and the outside air is taken into the installation space A1 as cooling air from the peripheral space A2 of the rear wheel 44, and the hot air and the outside air of the installation space A1 are exchanged. ing. In this way, the charger 55 is effectively cooled by the blowing of the cooling air and the radiating fins 58, and the hot air inside the rear frame cover 24 is discharged to the outside, so that the excessive temperature rise of the charger 55 is suppressed. Has been done.

また、充電器５５は高さ方向の寸法が大きく形成されており、充電器５５の下端は後輪４４の上端よりも下方に位置付けられている。充電器５５が後輪４４の周辺空間Ａ２に近づけられることで、この周辺空間Ａ２から設置空間Ａ１に外気が入り込んで充電器５５に外気が触れ易くなる。また、冷却ケース６１の下部の冷却ファン６２によって、後輪４４の周辺空間Ａ２から冷却ケース６１内に外気が送り込み易くなっている。このように、充電器５５の縦長にして後輪４４に近づけることで、充電器５５の冷却効果が高められている。 Further, the charger 55 is formed to have a large dimension in the height direction, and the lower end of the charger 55 is positioned below the upper end of the rear wheel 44. By bringing the charger 55 closer to the peripheral space A2 of the rear wheel 44, the outside air enters the installation space A1 from the peripheral space A2, and the outside air easily comes into contact with the charger 55. Further, the cooling fan 62 at the lower part of the cooling case 61 facilitates sending outside air from the peripheral space A2 of the rear wheel 44 into the cooling case 61. In this way, the cooling effect of the charger 55 is enhanced by making the charger 55 vertically long and bringing it closer to the rear wheel 44.

以上、本実施例によれば、車幅方向の寸法が狭いリアフレームカバー２４の内側に、車幅方向に隣接してバッテリ５１と充電器５５が収められる。リアフレームカバー２４の内側では、バッテリ５１と充電器５５が広い面積で対向するため、バッテリ５１と充電器５５の間で効率的に熱交換が行われる。また、冷却ファン６２及び放熱フィン５８によって充電器５５が冷却されると共に、冷却風によってリアフレームカバー２４の内側の熱気が外部に排出されている。これにより、リアフレームカバー２４の内側の狭い設置空間Ａ１において、バッテリ５１及び充電器５５の過度な温度上昇が抑えられて、バッテリ５１及び充電器５５の動作が安定する。 As described above, according to the present embodiment, the battery 51 and the charger 55 are housed inside the rear frame cover 24, which has a narrow dimension in the vehicle width direction, adjacent to the vehicle width direction. Since the battery 51 and the charger 55 face each other in a wide area inside the rear frame cover 24, heat exchange is efficiently performed between the battery 51 and the charger 55. Further, the charger 55 is cooled by the cooling fan 62 and the heat radiation fins 58, and the hot air inside the rear frame cover 24 is discharged to the outside by the cooling air. As a result, in the narrow installation space A1 inside the rear frame cover 24, the excessive temperature rise of the battery 51 and the charger 55 is suppressed, and the operation of the battery 51 and the charger 55 is stabilized.

なお、本実施例では、車体フレームにヘッドパイプを後側から覆うレッグシールドが設けられたスクータタイプの鞍乗型車両を例示したが、この構成に限定されない。鞍乗型車両は、充電器によってバッテリが充電され、バッテリからの電力によって走行可能な車両であれば、特に限定されない。また、鞍乗型車両は自動二輪車に限定されず、例えば、バッテリによって駆動するバギータイプの自動三輪車、自動四輪車、水上バイク、農業用小型車両（芝刈り機等）、船外機等でもよい。 In this embodiment, a scooter-type saddle-type vehicle in which a leg shield that covers the head pipe from the rear side is provided on the vehicle body frame has been illustrated, but the present invention is not limited to this configuration. The saddle-mounted vehicle is not particularly limited as long as it is a vehicle in which the battery is charged by the charger and the vehicle can travel by the electric power from the battery. In addition, saddle-mounted vehicles are not limited to motorcycles, and may include, for example, battery-powered buggy-type tricycles, motorcycles, personal watercraft, small agricultural vehicles (lawn mowers, etc.), outboard motors, etc. Good.

また、本実施例では、バッテリ及び充電器の設置空間が後輪の周辺空間に連なる構成を例示したが、この構成に限定されない。バッテリ及び充電器の設置空間は、前輪又は後輪の少なくとも一方の周辺空間に連なっていればよい。 Further, in this embodiment, a configuration in which the installation space of the battery and the charger is connected to the peripheral space of the rear wheel is illustrated, but the configuration is not limited to this configuration. The installation space for the battery and the charger may be connected to at least one of the peripheral spaces of the front wheels and the rear wheels.

また、本実施例では、ライダーシートの下方にバッテリ及び充電器の設置空間が形成されたが、この構成に限定されない。バッテリ及び充電器の設置空間は、車両ボディの内側に形成されていればよい。 Further, in this embodiment, the installation space for the battery and the charger is formed below the rider seat, but the present invention is not limited to this configuration. The installation space for the battery and the charger may be formed inside the vehicle body.

また、本実施例では、設置空間の中央から左側にかけてバッテリが設置され、設置空間の右後側に充電器が設置されたが、この構成に限定されない。設置空間にバッテリと充電器が車幅方向に隣接するように設置されていればよく、例えば、設置空間の中央から右側にかけてバッテリが設置され、設置空間の左後側に充電器が設置されてもよい。この場合、充電器の左側面に放熱フィンが設けられると共に、冷却ファンから充電器の左側面に外気が送り込まれる。 Further, in this embodiment, the battery is installed from the center to the left side of the installation space, and the charger is installed on the right rear side of the installation space, but the configuration is not limited to this. It suffices if the battery and the charger are installed adjacent to each other in the installation space in the vehicle width direction. For example, the battery is installed from the center to the right side of the installation space, and the charger is installed on the left rear side of the installation space. May be good. In this case, heat radiation fins are provided on the left side surface of the charger, and outside air is sent from the cooling fan to the left side surface of the charger.

また、本実施例では、冷却ケースの下部に冷却ファンが設けられたが、この構成に限定されない。冷却ファンは、少なくとも充電器の外側面に冷却風を送り込むことが可能な位置に設けられていればよく、例えば、冷却ケースの上部に冷却ファンが設けられていてもよい。 Further, in this embodiment, the cooling fan is provided at the lower part of the cooling case, but the present invention is not limited to this configuration. The cooling fan may be provided at least at a position where cooling air can be sent to the outer surface of the charger. For example, the cooling fan may be provided on the upper part of the cooling case.

また、本実施例では、バッテリの充電時に冷却ファンが駆動する構成にしたが、鞍乗型車両の走行時に冷却ファンが駆動してもよい。 Further, in the present embodiment, the cooling fan is driven when the battery is charged, but the cooling fan may be driven when the saddle-mounted vehicle is running.

また、本実施例では、他の電気部品としてＤＣＤＣコンバータを例示したが、他の電気部品はＤＣＤＣコンバータ以外の電気部品でもよい。 Further, in this embodiment, the DCDC converter is exemplified as another electric component, but the other electric component may be an electric component other than the DCDC converter.

以上の通り、本実施例の鞍乗型車両（１）は、充電器（５５）によってバッテリ（５１）が充電され、バッテリからの電力によって走行可能な鞍乗型車両であって、車両ボディ（リアフレームカバー２４）の内側には、車幅方向の寸法が車長方向の寸法よりも小さな設置空間（Ａ１）が形成されており、設置空間には、バッテリと充電器の対向面積が最も大きくなる向きで、バッテリと充電器が車幅方向に隣接して設置されている。この構成によれば、車幅方向の寸法が狭い車両ボディの内側に、車幅方向に隣接してバッテリと充電器が収められる。車両ボディの内側では、バッテリと充電器が広い面積で対向するため、バッテリと充電器の間で効率的に熱交換が行われる。充電中には充電器からバッテリに熱が伝えられ、走行中にはバッテリから充電器に熱が伝えられる。車両ボディの内側の狭い設置空間において、バッテリ及び充電器の過度な温度上昇が抑えられて、バッテリ及び充電器の動作が安定する。 As described above, the saddle-type vehicle (1) of the present embodiment is a saddle-type vehicle in which the battery (51) is charged by the charger (55) and can run by the electric power from the battery, and the vehicle body ( Inside the rear frame cover 24), an installation space (A1) whose dimension in the vehicle width direction is smaller than the dimension in the vehicle length direction is formed, and the facing area between the battery and the charger is the largest in the installation space. The battery and charger are installed adjacent to each other in the vehicle width direction. According to this configuration, the battery and the charger are housed inside the vehicle body, which is narrow in the vehicle width direction, adjacent to the vehicle width direction. Inside the vehicle body, the battery and the charger face each other over a large area, so heat exchange is efficiently performed between the battery and the charger. Heat is transferred from the charger to the battery during charging, and heat is transferred from the battery to the charger while driving. In the narrow installation space inside the vehicle body, the excessive temperature rise of the battery and the charger is suppressed, and the operation of the battery and the charger is stabilized.

本実施例の鞍乗型車両において、設置空間が、前輪（３４）及び後輪（４４）の少なくとも一方の周辺空間（Ａ２）に連なっている。この構成によれば、車両ボディの内側に籠った熱気を前輪及び後輪の少なくとも一方の周辺空間に排出すると共に、前輪及び後輪の少なくとも一方の周辺空間から車両ボディの内側に外気を取り込むことができる。 In the saddle-mounted vehicle of this embodiment, the installation space is connected to at least one of the peripheral spaces (A2) of the front wheels (34) and the rear wheels (44). According to this configuration, the hot air trapped inside the vehicle body is discharged to the peripheral space of at least one of the front wheels and the rear wheels, and the outside air is taken into the inside of the vehicle body from the peripheral space of at least one of the front wheels and the rear wheels. Can be done.

本実施例の鞍乗型車両において、充電器には車幅方向の外側を向く外側面（右側面５６）に放熱フィン（５８）が形成されている。この構成によれば、充電器の発熱が放熱フィンを介して放熱されて充電器が効率的に冷却される。 In the saddle-mounted vehicle of this embodiment, the charger is formed with heat radiation fins (58) on the outer surface (right side 56) facing outward in the vehicle width direction. According to this configuration, the heat generated by the charger is dissipated through the heat radiation fins, and the charger is efficiently cooled.

本実施例の鞍乗型車両において、充電器には外側面に外気を送り込む冷却ファン（６２）が取り付けられている。この構成によれば、冷却ファンから充電器の外側面に外気が冷却風として送り込まれ、冷却風が外側面に沿って流れて放熱フィンを通過することで充電器がより効率的に冷却される。 In the saddle-mounted vehicle of this embodiment, the charger is equipped with a cooling fan (62) that sends outside air to the outer surface. According to this configuration, outside air is sent from the cooling fan to the outer surface of the charger as cooling air, and the cooling air flows along the outer surface and passes through the heat radiation fins to cool the charger more efficiently. ..

本実施例の鞍乗型車両において、設置空間には充電器と他の電気部品（ＤＣＤＣコンバータ６５）が車長方向に隣接して設置され、放熱フィンは冷却ファン側から他の電気部品側に向かって延びている。この構成によれば、冷却ファンから充電器の外側面に送り込まれた外気が、放熱フィンによって他の電気部品に向けてガイドされる。このため、他の電気部品が外気によって冷却される。 In the saddle-mounted vehicle of this embodiment, a charger and other electric components (DCDC converter 65) are installed adjacent to each other in the installation space in the vehicle length direction, and the heat radiation fins are moved from the cooling fan side to the other electric components side. It extends toward. According to this configuration, the outside air sent from the cooling fan to the outer surface of the charger is guided toward other electric components by the heat radiation fins. Therefore, other electric components are cooled by the outside air.

なお、本実施例を説明したが、他の実施例として、上記実施例及び変形例を全体的又は部分的に組み合わせたものでもよい。 Although this embodiment has been described, as another embodiment, the above embodiment and the modified example may be combined in whole or in part.

また、本発明の技術は上記の実施例に限定されるものではなく、技術的思想の趣旨を逸脱しない範囲において様々に変更、置換、変形されてもよい。さらには、技術の進歩又は派生する別技術によって、技術的思想を別の仕方で実現することができれば、その方法を用いて実施されてもよい。したがって、特許請求の範囲は、技術的思想の範囲内に含まれ得る全ての実施態様をカバーしている。 Further, the technique of the present invention is not limited to the above-described embodiment, and may be variously modified, replaced, or modified without departing from the spirit of the technical idea. Furthermore, if the technical idea can be realized in another way by the advancement of the technology or another technology derived from it, it may be carried out by using that method. Therefore, the claims cover all embodiments that may be included within the scope of the technical idea.

１ ：鞍乗型車両
２４：リアフレームカバー（車両ボディ）
３４：前輪
４４：後輪
５１：バッテリ
５５：充電器
５６：充電器の右側面（外側面）
５８：放熱フィン
６２：冷却ファン
６５：ＤＣＤＣコンバータ（他の電気部品）
Ａ１：設置空間
Ａ２：後輪の周辺空間 1: Saddle-mounted vehicle 24: Rear frame cover (vehicle body)
34: Front wheel 44: Rear wheel 51: Battery 55: Charger 56: Right side (outer side) of the charger
58: Heat dissipation fin 62: Cooling fan 65: DCDC converter (other electrical components)
A1: Installation space A2: Space around the rear wheels

Claims (5)

充電器によってバッテリが充電され、前記バッテリからの電力によって走行可能な鞍乗型車両であって、
車両ボディの内側には、車幅方向の寸法が車長方向の寸法よりも小さな設置空間が形成されており、
前記設置空間には、前記バッテリと前記充電器の対向面積が最も大きくなる向きで、前記バッテリと前記充電器が車幅方向に隣接して設置されていることを特徴とする鞍乗型車両。 A saddle-type vehicle in which a battery is charged by a charger and can be driven by electric power from the battery.
Inside the vehicle body, an installation space is formed in which the dimension in the vehicle width direction is smaller than the dimension in the vehicle length direction.
A saddle-type vehicle characterized in that the battery and the charger are installed adjacent to each other in the vehicle width direction in the direction in which the facing area between the battery and the charger is the largest in the installation space. 前記設置空間が、前輪及び後輪の少なくとも一方の周辺空間に連なっていることを特徴とする請求項１に記載の鞍乗型車両。 The saddle-mounted vehicle according to claim 1, wherein the installation space is connected to at least one of the peripheral spaces of the front wheels and the rear wheels. 前記充電器には車幅方向の外側を向く外側面に放熱フィンが形成されていることを特徴とする請求項１又は請求項２に記載の鞍乗型車両。 The saddle-type vehicle according to claim 1 or 2, wherein the charger is formed with heat-dissipating fins on an outer surface facing outward in the vehicle width direction. 前記充電器には前記外側面に外気を送り込む冷却ファンが取り付けられていることを特徴とする請求項３に記載の鞍乗型車両。 The saddle-mounted vehicle according to claim 3, wherein the charger is provided with a cooling fan that sends outside air to the outer surface. 前記設置空間には前記充電器と他の電気部品が車長方向に隣接して設置され、前記放熱フィンは前記冷却ファン側から前記他の電気部品側に向かって延びていることを特徴とする請求項４に記載の鞍乗型車両。 The charger and other electric components are installed adjacent to each other in the installation space in the vehicle length direction, and the heat radiation fins extend from the cooling fan side toward the other electric components. The saddle-mounted vehicle according to claim 4.
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