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JP2005306104A - Fuel cell automobile - Google Patents

Fuel cell automobile Download PDF

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Publication number
JP2005306104A
JP2005306104A JP2004123082A JP2004123082A JP2005306104A JP 2005306104 A JP2005306104 A JP 2005306104A JP 2004123082 A JP2004123082 A JP 2004123082A JP 2004123082 A JP2004123082 A JP 2004123082A JP 2005306104 A JP2005306104 A JP 2005306104A
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Japan
Prior art keywords
fuel cell
storage battery
cell vehicle
vehicle
floor
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JP2004123082A
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Japanese (ja)
Inventor
Tetsuo Uozumi
哲生 魚住
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Nissan Motor Co Ltd
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Nissan Motor Co Ltd
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Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP2004123082A priority Critical patent/JP2005306104A/en
Priority to PCT/JP2005/007573 priority patent/WO2005102759A1/en
Publication of JP2005306104A publication Critical patent/JP2005306104A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M16/00—Structural combinations of different types of electrochemical generators
    • H01M16/003—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers
    • H01M16/006—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers of fuel cells with rechargeable batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
    • H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
    • 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
    • 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
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • 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
    • Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Fuel Cell (AREA)
  • Secondary Cells (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fuel cell automobile capable of arranging a constituent part for constituting a fuel cell system under the floor without narrowing a trunk space. <P>SOLUTION: In this fuel cell automobile, a motor 2 for driving a front wheel 1 and a fuel cell 3 for supplying a power source to this motor 2, are arranged in a motor room 5 of a car body 4. A storage battery 6 is arranged under a floor panel 8 of the car body 4. An electric power cutoff device 7 is arranged in a center tunnel 9 for cutting off electric power outputted from the storage battery 6. Thus, an indoor space in the rear of a rear seat can be secured, and the indoor space can be effectively used, and damage to the storage battery 6 can be avoided even at the time of rea-end collision. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、例えば燃料電池自動車に関し、詳細には、燃料電池システムを構成する部品のレイアウト技術に関する。   The present invention relates to, for example, a fuel cell vehicle, and more particularly, to a layout technique for components constituting a fuel cell system.

例えば、燃料電池車両のパッケージの1つとして、燃料電池システムを構成するモータや燃料電池（燃料電池スタック）などの主要部品は、車体のモータルーム内に配置され、水素貯蔵装置は後部トランクやその周囲などに配置される。そして、燃料電池システムを構成するその他の構成部品である蓄電池（バッテリー）やこの蓄電池から出力される電力の遮断を行う電力遮断装置などは、残ったスペースとして、たいていリアシート後方に配置されている（例えば、特許文献１、２など参照）。
特開２００２−３７０５４４号公報（第６頁、第２図） 特開２００３−７２３９２号公報（第２頁及び第３頁、第１図） For example, as one of the packages of a fuel cell vehicle, main parts such as a motor and a fuel cell (fuel cell stack) constituting a fuel cell system are arranged in a motor room of a vehicle body, and a hydrogen storage device is arranged in a rear trunk and its Arranged around. And the storage battery (battery) which is another component which comprises a fuel cell system, the electric power interruption apparatus which interrupts | blocks the electric power output from this storage battery, etc. are arrange | positioned as the remaining space, usually behind a rear seat ( For example, see Patent Documents 1 and 2).
JP 2002-370544 A (6th page, FIG. 2) JP 2003-72392 A (2nd and 3rd pages, FIG. 1)

しかしながら、リアシート後方に蓄電池や電力遮断装置を配置すると、トランクスペースや収納スペースが狭くなったり、或いはこれらのスペースが全く無くなるという不都合がある。   However, if a storage battery or a power cut-off device is arranged behind the rear seat, there is a disadvantage that the trunk space or the storage space becomes narrow or these spaces are completely eliminated.

また、モータで前輪を駆動する燃料電池自動車では、リアシート後方から車両前方のモータルームまでの距離だけワイヤーハーネスの長さが長くなる。ワイヤーハーネスの長さが長くなる分、その取り回しが難しくなると共に質量とコストが増大する。   Further, in the fuel cell vehicle in which the front wheels are driven by the motor, the length of the wire harness is increased by the distance from the rear seat rear to the motor room in front of the vehicle. As the length of the wire harness becomes longer, its handling becomes difficult and the mass and cost increase.

そこで、本発明は、トランクスペースなどを狭めることなく燃料電池システムを構成する構成部品を床下に配置することのできる燃料電池自動車を提供することを目的とする。   Therefore, an object of the present invention is to provide a fuel cell vehicle in which components constituting the fuel cell system can be arranged under the floor without narrowing a trunk space or the like.

本発明の燃料電池自動車は、車輪を駆動するモータと、このモータに電源を供給する燃料電池とを車体のモータルーム内に設けている。そして、この燃料電池自動車では、車体の床下に蓄電池を配置している。   The fuel cell vehicle of the present invention includes a motor for driving wheels and a fuel cell for supplying power to the motor in a motor room of the vehicle body. In this fuel cell vehicle, a storage battery is disposed under the floor of the vehicle body.

本発明の燃料電池自動車によれば、蓄電池を車体の床下に配置したので、リアシート後方のトランクスペースや収納スペースの低減を防止することができる。また、燃料電池と蓄電池との距離が短くなるため、これらを接続するワイヤーハーネスの長さを短縮でき、そのワイヤーハーネスの取り回し作業を容易なもとのとし、また、質量やコストを低減できる。   According to the fuel cell vehicle of the present invention, since the storage battery is disposed under the floor of the vehicle body, it is possible to prevent the trunk space and the storage space behind the rear seat from being reduced. Further, since the distance between the fuel cell and the storage battery is shortened, the length of the wire harness connecting them can be shortened, the wiring harness can be easily handled, and the mass and cost can be reduced.

以下、本発明を適用した具体的な実施の形態について図面を参照しながら詳細に説明する。本実施の形態は、通常のガソリンエンジンを搭載した自動車の車体構造をなるべく利用して燃料電池システムを構成する構成部品を実装するようにした燃料電池自動車の例である。   Hereinafter, specific embodiments to which the present invention is applied will be described in detail with reference to the drawings. The present embodiment is an example of a fuel cell vehicle in which components constituting the fuel cell system are mounted by using as much as possible the body structure of a vehicle equipped with a normal gasoline engine.

「第１の実施の形態」
図１は少なくとも蓄電池を車体の床下に配置した燃料電池自動車の斜視図、図２は図１の燃料電池システムを構成する構成部品の配置状態を示す要部斜視図、図３は蓄電池及び電力遮断装置を車体の床下に配置した燃料電池自動車の概略図、図４（Ａ）は床下に配置した蓄電池及び電力遮断装置を概略して示す斜視図、図４（Ｂ）はその正面図である。 “First Embodiment”
1 is a perspective view of a fuel cell vehicle in which at least a storage battery is disposed under the floor of the vehicle body, FIG. 2 is a perspective view of a main part showing an arrangement state of components constituting the fuel cell system of FIG. 1, and FIG. FIG. 4A is a perspective view schematically showing a storage battery and a power interruption device arranged under the floor, and FIG. 4B is a front view thereof.

なお、図１及び図２は、第１の実施の形態と後述する第２の実施の形態の何れの状態も含んだ図面としており、第２の実施の形態の説明でこれら図１及び図２を参照するものとする。   1 and FIG. 2 are drawings including both states of the first embodiment and a second embodiment to be described later, and in the description of the second embodiment, FIG. 1 and FIG. Shall be referred to.

第１の実施の形態の燃料電池自動車は、図１から図３に示すように、燃料電池システムの主要構成部品である、前輪（車輪）１を駆動するモータ２と、このモータ２に電源を供給する燃料電池３とを車体４のモータルーム５内に設けた、いわゆる前輪駆動用の燃料電池自動車である。   As shown in FIGS. 1 to 3, the fuel cell vehicle according to the first embodiment includes a motor 2 that drives a front wheel (wheel) 1 that is a main component of the fuel cell system, and a power source for the motor 2. This is a so-called front-wheel drive fuel cell vehicle in which the fuel cell 3 to be supplied is provided in the motor room 5 of the vehicle body 4.

この燃料電池自動車においては、前記モータ２及び燃料電池３などの主要構成部品以外の他の構成部品である蓄電池（バッテリー）６と、この蓄電池６からの入出力電力の遮断を行う電力遮断装置７とを車体４の床下であるフロアーパネル８の下に配置させている。   In this fuel cell vehicle, a storage battery (battery) 6 that is a component other than the main components such as the motor 2 and the fuel cell 3, and a power cutoff device 7 that shuts off input / output power from the storage battery 6. Are arranged under the floor panel 8 which is under the floor of the vehicle body 4.

具体的には、図２及び図４に示すように、運転席及び助手席のフロアーパネル８の下に、蓄電池６を配置すると共に、その蓄電池６の上に重ねるようにしてセンタートンネル９内に電力遮断装置７を配置させている。ガソリンエンジン車の場合、運転席や助手席のシート下および足元下には、変速機を避けて排気管を配するなどでフロアーパネル下空間が僅かに存在するため、その空間部を利用して蓄電池６を配置する。蓄電池６と電力遮断装置７は、外筐体を共通にして一体化するか、或いは別々に構成されている。   Specifically, as shown in FIGS. 2 and 4, the storage battery 6 is disposed under the floor panel 8 of the driver's seat and the passenger's seat, and is placed in the center tunnel 9 so as to overlap the storage battery 6. A power interruption device 7 is arranged. In the case of a gasoline engine vehicle, there is a slight space under the floor panel under the seats and under the feet of the driver's seat and passenger's seat. A storage battery 6 is arranged. The storage battery 6 and the power cutoff device 7 are integrated with a common outer casing, or are configured separately.

このように、蓄電池６をフロアーパネル８の下に配置すれば、室内後方のトランクスペースや収納スペースを有効利用することができる。また、運転席及び助手席の足元に蓄電池６を配置することによって、リアシート後方に蓄電池６を配置した場合に比べてこれら蓄電池６と燃料電池３間を接続するワイヤーハーネス１０の長さを短くすることができ、該ワイヤーハーネス１０の配索作業が容易になる。   Thus, if the storage battery 6 is disposed under the floor panel 8, the trunk space and the storage space behind the room can be used effectively. Further, by arranging the storage battery 6 at the foot of the driver's seat and the passenger seat, the length of the wire harness 10 that connects between the storage battery 6 and the fuel cell 3 is made shorter than when the storage battery 6 is disposed behind the rear seat. The wiring work of the wire harness 10 can be facilitated.

また、仮に、燃料電池３へ空気を供給するための空気コンプレッサーが車両後方にある場合と比較すると、空気コンプレッサーより入出力電力の大きな蓄電池６をモータ２に接近させる方が太いワイヤーハーネス１０の使用が低減できる。また、蓄電池６を室内後方ではなく、フロアーパネル８の下に配置したので、後方から追突された場合でも蓄電池６がダメージを受けることを防止できる。   Also, compared to the case where an air compressor for supplying air to the fuel cell 3 is located at the rear of the vehicle, the use of the wire harness 10 that makes the storage battery 6 having a larger input / output power closer to the motor 2 than the air compressor is used. Can be reduced. In addition, since the storage battery 6 is arranged not under the room rear but under the floor panel 8, it is possible to prevent the storage battery 6 from being damaged even when it is rear-projected from the rear.

また、電力遮断装置７をセンタートンネル９内に配置すれば、室内空間に影響なくスペースをより一層確保することができる。また、この電力遮断装置７を蓄電池６と一体化或いは蓄電池６の上に配置したことで、電力遮断時の帯電部分を低減することができる。   Moreover, if the power interruption device 7 is arranged in the center tunnel 9, it is possible to further secure a space without affecting the indoor space. Moreover, the electric power interruption device 7 is integrated with the storage battery 6 or disposed on the storage battery 6, whereby a charged portion at the time of power interruption can be reduced.

また、蓄電池６と電力遮断装置７を一体化した場合には、ワイヤーハーネス１０ではなくバスバーを使用することができ、電力伝達経路を短縮することができる。また、蓄電池６と電力遮断装置７を別々に車体４に配置するのに比べて、車載搭載作業性を大幅に簡略化することができる。   Moreover, when the storage battery 6 and the power interruption device 7 are integrated, a bus bar can be used instead of the wire harness 10, and the power transmission path can be shortened. Moreover, compared with disposing the storage battery 6 and the power cut-off device 7 separately on the vehicle body 4, the in-vehicle mounting workability can be greatly simplified.

「第２の実施の形態」
図５（Ａ）は床下に配置した蓄電池、電力遮断装置及び入力制御装置を概略して示す斜視図、図５（Ｂ）はその正面図である。 “Second Embodiment”
FIG. 5A is a perspective view schematically showing a storage battery, a power cut-off device, and an input control device arranged under the floor, and FIG. 5B is a front view thereof.

第２の実施の形態では、図１、図２及び図５に示すように、蓄電池６と電力遮断装置７に加えて、該蓄電池６への電圧の入出力を調整する入力制御装置１１を車体４の床下であるフロアーパネル８の下に配置させている。具体的には、運転席及び助手席のフロアーパネル８の下に、蓄電池６を配置すると共に、その蓄電池６の上に重ねるようにしてセンタートンネル９内に電力遮断装置７と入力制御装置１１を配置させている。   In the second embodiment, as shown in FIGS. 1, 2, and 5, in addition to the storage battery 6 and the power cut-off device 7, an input control device 11 that adjusts the input / output of voltage to the storage battery 6 is provided on the vehicle body. 4 under the floor panel 8 which is under the floor. Specifically, the storage battery 6 is disposed under the floor panel 8 of the driver's seat and the passenger seat, and the power cut-off device 7 and the input control device 11 are placed in the center tunnel 9 so as to overlap the storage battery 6. It is arranged.

この実施の形態では、車両前方から後方に向けて電力遮断装置７と入力制御装置１１の順でセンタートンネル９内に隣接配置している。これら蓄電池６、電力遮断装置７及び入力制御装置１１は、先の実施の形態１と同様、外筐体を共通にして蓄電池６と電力遮断装置７を一体化、或いは蓄電池６と電力遮断装置７と入力制御装置１１の全てを一体化するか、或いは別々として構成されている。   In this embodiment, the power interruption device 7 and the input control device 11 are arranged adjacently in the center tunnel 9 in this order from the front to the rear of the vehicle. The storage battery 6, the power cutoff device 7, and the input control device 11 are integrated with the storage battery 6 and the power cutoff device 7 with a common outer casing, or the storage battery 6 and the power cutoff device 7 as in the first embodiment. And the input control device 11 are all integrated or separated.

また、この実施の形態では、センタートンネル９内に蓄電池６、電力遮断装置７、入力制御装置１１に接続される各種接続線を配置させている。具体的には、発熱によるバッテリー性能劣化を防止するためのバッテリー冷却空気を蓄電池６に供給させるバッテリー冷却空気供給パイプ１２と、冷却水供給パイプ１３と、ワイヤーハーネス１０とをセンタートンネル９内に配置させている。   In this embodiment, various connection lines connected to the storage battery 6, the power cutoff device 7, and the input control device 11 are arranged in the center tunnel 9. Specifically, a battery cooling air supply pipe 12, a cooling water supply pipe 13, and a wire harness 10 for supplying battery cooling air to the storage battery 6 to prevent battery performance deterioration due to heat generation are arranged in the center tunnel 9. I am letting.

このように、入力制御装置１１をセンタートンネル９内に配置すれば、室内に入力制御装置１１を配置する場合と比較して車両スペースを大幅に有効活用することができる。特に、入力制御装置１１を蓄電池６と電力遮断装置７の少なくとも何れか一つ以上と一体化することで、ユニット化され、コストの低減及び車載搭載作業性を良好なものとすることができる。   Thus, if the input control device 11 is arranged in the center tunnel 9, the vehicle space can be effectively utilized compared with the case where the input control device 11 is arranged indoors. In particular, by integrating the input control device 11 with at least one of the storage battery 6 and the power cutoff device 7, the input control device 11 can be unitized, and cost reduction and in-vehicle mounting workability can be improved.

また、バッテリー冷却空気供給パイプ１２と、冷却水供給パイプ１３と、ワイヤーハーネス１０をセンタートンネル９内に配置すれば、室内に関係なく設置スペースと接続作業スペースを確保することができる。   Moreover, if the battery cooling air supply pipe 12, the cooling water supply pipe 13, and the wire harness 10 are arranged in the center tunnel 9, an installation space and a connection work space can be ensured regardless of the room interior.

「第３の実施の形態」
図６は蓄電池を冷却する冷却装置を、車室内に空調風を吹き出す室内空調装置の近傍に配置した燃料電池自動車の概略図である。 “Third Embodiment”
FIG. 6 is a schematic view of a fuel cell vehicle in which a cooling device for cooling a storage battery is disposed in the vicinity of an indoor air conditioner that blows conditioned air into the vehicle interior.

この実施の形態では、図６に示すように、蓄電池６を冷却する冷却装置であるバッテリー冷却ファン１４を、車室内に空調風を吹き出す室内空調装置１５の近傍部に配置している。ここでは、室内空調装置１５の真下にバッテリー冷却ファン１４を配置している。バッテリー冷却ファン１４から供給された冷たい空気は、先の図５で示したバッテリー冷却空気供給パイプ１２を介して蓄電池６に供給される。蓄電池６は、発熱するとバッテリー性能が低下するが、冷気を蓄電池６に当てることによってバッテリー性能を回復させることができる。   In this embodiment, as shown in FIG. 6, a battery cooling fan 14, which is a cooling device for cooling the storage battery 6, is disposed in the vicinity of the indoor air conditioner 15 that blows conditioned air into the vehicle interior. Here, a battery cooling fan 14 is disposed directly below the indoor air conditioner 15. The cold air supplied from the battery cooling fan 14 is supplied to the storage battery 6 through the battery cooling air supply pipe 12 shown in FIG. When the battery 6 generates heat, the battery performance decreases, but the battery performance can be recovered by applying cold air to the battery 6.

このように、バッテリー冷却ファン１４を室内空調装置１５の近傍部に配置すれば、蓄電池６までのバッテリー冷却空気供給パイプ１２の重量増加（パイプ長さが長くなることによる重量）が抑えられると共に、車両後方に冷却ファンを置かずにすむので、車両後方のスペースを拡張することができる。また、音振対策を削減することができ、車両全体での音振性能向上と軽量化を実現することができる。   As described above, if the battery cooling fan 14 is disposed in the vicinity of the indoor air conditioner 15, an increase in the weight of the battery cooling air supply pipe 12 up to the storage battery 6 (weight due to an increase in the pipe length) can be suppressed. Since it is not necessary to place a cooling fan behind the vehicle, the space behind the vehicle can be expanded. Moreover, sound vibration countermeasures can be reduced, and sound vibration performance improvement and weight reduction in the entire vehicle can be realized.

「第４の実施の形態」
図７は蓄電池に空気供給装置から冷却空気を供給する接続パイプを連結させた燃料電池自動車の概略図である。 “Fourth Embodiment”
FIG. 7 is a schematic view of a fuel cell vehicle in which a connection pipe for supplying cooling air from an air supply device to a storage battery is connected.

この実施の形態では、図７に示すように、空気供給装置である室内空調装置１５からの冷却空気を蓄電池６に供給するための接続パイプ１６を、該蓄電池６に接続させている。この室内空調装置１５は、車室内の空調風を供給する本来の役目の他に、発熱する蓄電池６を冷却する機能もする。   In this embodiment, as shown in FIG. 7, a connection pipe 16 for supplying cooling air from an indoor air conditioner 15 that is an air supply device to the storage battery 6 is connected to the storage battery 6. The indoor air conditioner 15 also has a function of cooling the storage battery 6 that generates heat, in addition to the original role of supplying conditioned air in the passenger compartment.

このように、蓄電池６を冷却する冷却空気を室内空調装置１５を利用して供給すれば、バッテリー冷却ファン１４を省略することができる。また、音振対策部品数を低減することができるので、音振対策を削減できる。また、室内空気温度だけでなく、室内空調装置１５が制御可能な任意の温度で冷却できるので、冷却性能の向上や低温時の暖気が可能となり、結果として電力の入出力特性を改善することができ、運動性能の向上や車両の燃費改善になる。   Thus, if the cooling air which cools the storage battery 6 is supplied using the indoor air conditioner 15, the battery cooling fan 14 can be omitted. In addition, since the number of sound vibration countermeasure components can be reduced, noise vibration countermeasures can be reduced. Further, since the cooling can be performed not only at the indoor air temperature but also at an arbitrary temperature that can be controlled by the indoor air conditioner 15, it is possible to improve the cooling performance and to warm up at low temperatures, thereby improving the power input / output characteristics. This can improve the performance and improve the fuel efficiency of the vehicle.

「第５の実施の形態」
図８は蓄電池に走行風を吹き付ける走行風取込装置を床下に配置した燃料電池自動車の概略図である。 “Fifth Embodiment”
FIG. 8 is a schematic view of a fuel cell vehicle in which a traveling wind intake device that blows traveling wind onto the storage battery is arranged under the floor.

本実施の形態では、図８に示すように、第３の実施の形態の構成に加えて、フロアーパネル８の下に配置した蓄電池６の前方（車両前方）に走行風を取り込むためのバルブなどからなる走行風取込装置１７を設けている。走行風取込装置１７から取り込んだ冷気は、直接、後方に配置された蓄電池６に吹き付けられ、発熱した蓄電池６を冷却する。   In the present embodiment, as shown in FIG. 8, in addition to the configuration of the third embodiment, a valve for taking running wind in front of the storage battery 6 arranged under the floor panel 8 (front of the vehicle), etc. A traveling wind intake device 17 is provided. The cold air taken in from the traveling wind take-in device 17 is directly blown to the storage battery 6 disposed on the rear side to cool the generated storage battery 6.

このように、蓄電池６に走行風を吹き付ける走行風取込装置１７をフロアーパネル８の下に配置すれば、バッテリー冷却ファン１４からの冷却空気に加えて走行風を蓄電池６に供給することができるため、充分に蓄電池６を冷却することができる。また、走行時にバッテリー冷却ファン１４の運転を低減することができ、音振性能の改善と、車両の燃費改善につながる。   In this way, if the traveling wind intake device 17 that blows the traveling wind to the storage battery 6 is disposed under the floor panel 8, the traveling wind can be supplied to the storage battery 6 in addition to the cooling air from the battery cooling fan 14. Therefore, the storage battery 6 can be sufficiently cooled. Moreover, the driving | operation of the battery cooling fan 14 can be reduced at the time of driving | running | working, and it leads to the improvement of a sound vibration performance and the fuel consumption of a vehicle.

「第６の実施の形態」
図９は容量の違う蓄電池を床下に配置した燃料電池自動車の概略図である。 “Sixth Embodiment”
FIG. 9 is a schematic view of a fuel cell vehicle in which storage batteries having different capacities are arranged under the floor.

本実施の形態では、第１の実施の形態で使用した蓄電池６に対して容量が小さな蓄電池６をフロアーパネル８の下に配置している。このように、フロアーパネル８の下に、容量の異なる蓄電池６を配置可能とすることで、車両室内のスペースに影響なく車両性能やコンセプトの仕様違いに対応することができる。   In the present embodiment, the storage battery 6 having a smaller capacity than the storage battery 6 used in the first embodiment is disposed under the floor panel 8. Thus, by making it possible to arrange the storage batteries 6 having different capacities under the floor panel 8, it is possible to cope with differences in vehicle performance and concept specifications without affecting the space in the vehicle compartment.

図１は少なくとも蓄電池を車体の床下に配置した燃料電池自動車の斜視図である。FIG. 1 is a perspective view of a fuel cell vehicle in which at least a storage battery is disposed under the floor of a vehicle body. 図２は図１の燃料電池システムを構成する構成部品の配置状態を示す要部斜視図である。FIG. 2 is a perspective view of a main part showing an arrangement state of components constituting the fuel cell system of FIG. 図３は蓄電池及び電力遮断装置を車体の床下に配置した燃料電池自動車の概略図である。FIG. 3 is a schematic view of a fuel cell vehicle in which a storage battery and a power cut-off device are arranged under the floor of the vehicle body. 図４（Ａ）は床下に配置した蓄電池及び電力遮断装置を概略して示す斜視図、図４（Ｂ）はその正面図である。FIG. 4A is a perspective view schematically showing a storage battery and a power cut-off device arranged under the floor, and FIG. 4B is a front view thereof. 図５（Ａ）は床下に配置した蓄電池、電力遮断装置及び入力制御装置を概略して示す斜視図、図５（Ｂ）はその正面図である。FIG. 5A is a perspective view schematically showing a storage battery, a power cut-off device, and an input control device arranged under the floor, and FIG. 5B is a front view thereof. 蓄電池を冷却する冷却装置を、車室内に空調風を吹き出す室内空調装置の近傍に配置した燃料電池自動車の概略図である。It is the schematic of the fuel cell vehicle which has arrange | positioned the cooling device which cools a storage battery in the vicinity of the indoor air conditioner which blows off an air conditioning wind in a vehicle interior. 蓄電池に空気供給装置から冷却空気を供給する接続パイプを連結させた燃料電池自動車の概略図である。It is the schematic of the fuel cell vehicle which connected the connection pipe which supplies cooling air from an air supply apparatus to a storage battery. 蓄電池に走行風を吹き付ける走行風取込装置を床下に配置した燃料電池自動車の概略図である。It is the schematic of the fuel cell vehicle which has arrange | positioned the driving | running wind taking-in apparatus which sprays driving | running | working wind to a storage battery under a floor. 容量の違う蓄電池を床下に配置した燃料電池自動車の概略図である。It is the schematic of the fuel cell vehicle which has arrange | positioned the storage battery from which a capacity | capacitance differs under a floor.

符号の説明Explanation of symbols

１…前輪（車輪）
２…モータ
３…燃料電池
４…車体
５…モータルーム
６…蓄電池（バッテリー）
７…電力遮断装置
８…フロアーパネル（床）
９…センタートンネル
１０…ワイヤーハーネス
１１…入力制御装置
１２…バッテリー冷却空気供給パイプ（接続線）
１３…冷却水供給パイプ（接続線）
１４…バッテリー冷却ファン（冷却装置）
１５…室内空調装置
１６…接続パイプ
１７…走行風取込装置 1 ... Front wheels
2 ... Motor 3 ... Fuel cell 4 ... Car body 5 ... Motor room 6 ... Storage battery (battery)
7 ... Power interruption device 8 ... Floor panel (floor)
9 ... Center tunnel 10 ... Wire harness 11 ... Input controller 12 ... Battery cooling air supply pipe (connection line)
13. Cooling water supply pipe (connection line)
14 ... Battery cooling fan (cooling device)
15 ... Indoor air conditioner 16 ... Connection pipe 17 ... Running wind intake device

Claims (8)

車輪を駆動するモータと、このモータに電源を供給する燃料電池とを車体のモータルーム内に設けた燃料電池自動車において、
前記車体の床下に蓄電池を配置した
ことを特徴とする燃料電池自動車。 In a fuel cell vehicle in which a motor for driving wheels and a fuel cell for supplying power to the motor are provided in the motor room of the vehicle body,
A fuel cell vehicle comprising a storage battery disposed under the floor of the vehicle body. 請求項１に記載の燃料電池自動車であって、
前記車体に形成されたセンタートンネル内に、前記蓄電池の入出力電力の遮断を行う電力遮断装置を配置した
ことを特徴とする燃料電池自動車。 The fuel cell vehicle according to claim 1,
A fuel cell vehicle characterized in that a power cut-off device for cutting off input / output power of the storage battery is arranged in a center tunnel formed in the vehicle body. 請求項１または請求項２に記載の燃料電池自動車であって、
前記車体に形成されたセンタートンネル内に、前記蓄電池への電圧の入出力調整を行う入出力制御装置を配置した
ことを特徴とする燃料電池自動車。 A fuel cell vehicle according to claim 1 or claim 2,
An input / output control device for adjusting input / output of voltage to the storage battery is disposed in a center tunnel formed in the vehicle body. 請求項３に記載の燃料電池自動車であって、
前記蓄電池、電力遮断装置、入力制御装置のうち何れか２つまたはその全てを一体化した
ことを特徴とする燃料電池自動車。 The fuel cell vehicle according to claim 3,
Any two or all of the storage battery, the power cutoff device, and the input control device are integrated. A fuel cell vehicle. 請求項３に記載される燃料電池自動車であって、
前記車体に形成されたセンタートンネル内に、前記蓄電池、電力遮断装置、入力制御装置に接続される接続線を配置した
ことを特徴とする燃料電池自動車。 A fuel cell vehicle according to claim 3,
In the center tunnel formed in the vehicle body, a connection line connected to the storage battery, the power cut-off device, and the input control device is disposed. 少なくとも請求項１から請求項５の何れか一つに記載された燃料電池自動車であって、
前記蓄電池を冷却する空気供給装置を、車室内に空調風を吹き出す室内空調装置の近傍に設置した
ことを特徴とする燃料電池自動車。 A fuel cell vehicle according to at least one of claims 1 to 5,
An air supply device that cools the storage battery is installed in the vicinity of an indoor air conditioner that blows conditioned air into the vehicle interior. 少なくとも請求項１から請求項５の何れか一つに記載された燃料電池自動車であって、
前記蓄電池に、車室内に空調風を吹き出す室内空調装置からの冷却空気を供給する接続パイプを連結させた
ことを特徴とする燃料電池自動車。 A fuel cell vehicle according to at least one of claims 1 to 5,
A fuel cell vehicle characterized in that the storage battery is connected to a connection pipe that supplies cooling air from an indoor air conditioner that blows conditioned air into the passenger compartment. 少なくとも請求項１から請求項７の何れか一つに記載された燃料電池自動車であって、
前記蓄電池に走行風を吹き付ける走行風取込装置を床下に配置した
ことを特徴とする燃料電池自動車。 A fuel cell vehicle according to any one of claims 1 to 7, comprising:
A fuel cell vehicle characterized in that a traveling wind intake device for blowing traveling wind to the storage battery is disposed under the floor.
JP2004123082A 2004-04-19 2004-04-19 Fuel cell automobile Pending JP2005306104A (en)

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