CN100593258C - Intake structure in fuel cell powered vehicle, and motorcycle with fuel cell mounted thereon - Google Patents

Intake structure in fuel cell powered vehicle, and motorcycle with fuel cell mounted thereon Download PDF

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Publication number
CN100593258C
CN100593258C CN200610091602A CN200610091602A CN100593258C CN 100593258 C CN100593258 C CN 100593258C CN 200610091602 A CN200610091602 A CN 200610091602A CN 200610091602 A CN200610091602 A CN 200610091602A CN 100593258 C CN100593258 C CN 100593258C
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China
Prior art keywords
humidifier
fuel cell
booster
air
fuel
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CN200610091602A
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CN1877893A (en
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清水雅浩
堀井义之
森本淳
今尾兰树
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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    • 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

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  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

An intake structure in a fuel cell powered vehicle including a fuel cell using air and hydrogen as fuels, a supercharger for compressing the outside air and outputting the compressed air, a humidifierfor humidifying the air compressed by the supercharger, a bypass passage for connecting the supercharger and the fuel cell to each other, and a bypass valve for opening and closing the bypass passage. The bypass valve is disposed on the outside relative to a straight line T1 connecting between the supercharger and the humidifier, and is disposed in the vicinity of the supercharger and the humidifier. With this configuration supercooling of a humidifier can be prevented, while eliminating the need for a warming member for the humidifier. Further, the intake system members can be efficiently arranged in the vehicle, while suppressing the pressure loss in the intake system.

Description

Air intake structure in the fuel-cell vehicle and the motorcycle that fuel cell is installed
Technical field
The present invention relates to the air intake structure (intake structure) of fuel cell in the fuel-cell vehicle, and the motorcycle that the fuel cell of using this structure is installed.
Background technology
Traditionally, the gas handling system in the battery car that acts as a fuel has a kind of system that is fed to fuel cell by the air (oxidant gas) of booster supercharging behind the humidifier humidification that makes.The waste gas that fuel cell is discharged turns back to humidifier, extracts moisture in humidifier, carries out humidification for the air that newly advances that is fed to fuel cell with this moisture that extracts then.In this case, if the humidifier undercooling, then the saturation of water vapour reduces, and makes that difficulty extracts moisture.Given this, have a kind of like this system, the thermal medium (cooling water) that wherein has been used for cooled fuel cell circulates around humidifier, with heating (warm) humidifier (referring to the open No.2001-216981 of for example Japan Patent).
Yet, in above-mentioned conventional construction, heating element (warming member) need be set, water jacket and make cooling water center on the water pump that humidifier circulates for example, this can cause the increase of cost and vehicle weight.Therefore, need improve these.
In addition, in some legacy systems, provide by-pass valve to switch air inlet pipeline, flow through humidifier (referring to the open No.2004-152600 of for example Japan Patent) by bypass line to allow Compressed Gas (for example, at fuel cell start-up time) when the low temperature.
Simultaneously, in the gas handling system of above-mentioned fuel-cell vehicle, need to arrange many gas handling system elements, for example booster, by-pass valve and humidifier.Be under the situation of compact car particularly at vehicle, for example under the situation of motorcycle, expectation be can in less arrangement space, arrange the gas handling system element effectively, and suppress the pressure loss in the gas handling system.
Summary of the invention
Therefore, the motorcycle that the purpose of this invention is to provide the air intake structure in a kind of fuel-cell vehicle and fuel cell is installed, thus can under the condition of the heating element that does not need to be used for humidifier, prevent the sub-cooled of humidifier.Another object of the present invention provides the arrangement of gas handling system element in a kind of fuel-cell vehicle, thereby can arrange the gas handling system element effectively, suppresses the pressure loss in the gas handling system simultaneously.
As solution to the problems described above, according to an aspect of the present invention, in fuel-cell vehicle (for example, the fuel-cell vehicle among the embodiment 1), air intake structure is set.The present invention includes: fuel cell (for example, the fuel cell 51 among the embodiment), its utilize air and hydrogen to act as a fuel to produce be fed to motor () electric energy for example, the motor 31 among the embodiment, wherein motor is as the drive source of vehicle; Booster (for example, the booster 58 among the embodiment) is used to compress outside air and exports Compressed Gas; And humidifier (for example, humidifier 59 among the embodiment), be used for the air of humidification by compressed, with the air supply of compressed and humidification to fuel cell, the water vapour that separation comprises from the waste gas that fuel cell is discharged, and humidification newly is fed to the air of fuel cell.In addition, booster is arranged in the periphery of humidifier.
According to this structure, can prevent that the saturation of water vapour in the humidifier from reducing.Particularly, the periphery that is compressed in of air produces heat in the booster, and humidifier proximity booster device is arranged and made the temperature that can suppress humidifier reduce, no longer needs to be used for simultaneously the special heating element of heated humidifiers.
According to a second aspect of the invention, fuel cell arrangement is at the periphery and the contiguous humidifier of humidifier.
According to this structure, the heat that fuel cell produces can be used for heated humidifiers effectively, thereby can suppress the reduction of humidifier temperature better.
According to a third aspect of the invention we, air intake structure also comprises control unit (for example, the VCU 62 among the embodiment), is used for control to supply electric energy such as motors, and control unit is arranged in the periphery and the contiguous humidifier of humidifier.
According to this structure, can effectively utilize the heat heated humidifiers that produces by the control unit that comprises such as the heat production element of FET, and the temperature that can further suppress humidifier reduces.
According to a forth aspect of the invention, booster, fuel cell and control unit with the arranged in form of loop-like roughly around humidifier.
According to this structure, the temperature that can further suppress humidifier reduces, and can effectively utilize the arrangement space in the fuel-cell vehicle.
According to a fifth aspect of the invention, humidifier (for example has the water vapour switching part that extends along vehicle-width direction, water vapour switching part 59a among the embodiment), at least one in booster, fuel cell and the control unit is arranged to the periphery in the face of the water vapour switching part.
According to this structure, can widened such as the parts of booster and the opposed area between the water vapour switching part, the heat that is produced by booster, fuel cell and control unit can be delivered to the water vapour switching part effectively.
According to a sixth aspect of the invention, this structure also comprises bypass line (for example, the bypass line 87a among the embodiment), is used to make the outlet side of booster and fuel cell to walk around humidifier and is connected with each other; And the by-pass valve (for example, the by-pass valve 87 among the embodiment) that is used to open and close bypass line, wherein, by-pass valve is with respect to being connected straight line between booster and the humidifier in the outside, and be arranged in booster and humidifier near.
According to this structure, can effectively utilize the arrangement space in the fuel-cell vehicle, and can arrange the element of gas handling system effectively.Especially, for the less vehicle of the arrangement space of element (for example, motorcycle), many gas handling system arrangements of elements are extremely important wherein, arrange that effectively the effect of these elements is very big.
In addition, can reduce the pressure loss in the gas handling system of fuel-cell vehicle.More specifically, can reduce the pressure loss by the length that reduces Connection Element (for example, between booster and the humidifier and the air inlet pipeline between humidifier and the fuel cell).
According to a seventh aspect of the invention, this structure (for example also comprises intercooler, the intercooler 86 of embodiment), it is connected to the outlet side of booster, and be used to regulate the air themperature that is fed to humidifier, in the outside, by-pass valve is arranged in the space that is surrounded by booster, humidifier and intercooler (for example, the space K1 among the embodiment) this intercooler with respect to described straight line.
According to this structure, by-pass valve is arranged in the triangle space that the layout by humidifier, booster and intercooler forms, thereby can more effectively utilize the arrangement space in the fuel-cell vehicle.
According to an eighth aspect of the invention, fuel cell is installed on the motorcycle (for example, the fuel-cell vehicle among the embodiment 1).This motorcycle comprises: car body framework (for example, the car body framework 4 among the embodiment); Be attached to the seat position (for example, the seat among the embodiment 41) of car body framework; Fuel cell (for example, the fuel cell 51 among the embodiment), it is arranged in the seat position downside, and utilize air and hydrogen to act as a fuel to produce be fed to motor () electric energy for example, the motor 31 among the embodiment, wherein motor is as the drive source of vehicle; Booster (for example, the booster 58 among the embodiment) is used to compress outside air and exports compressed air; And humidifier (for example, humidifier 59 among the embodiment), be used for the air of humidification by compressed, with the air supply of compressed and humidification to fuel cell, separation is from the water vapour of fuel cell, and humidification newly is fed to the air of fuel cell, and wherein booster is arranged in the periphery and the contiguous humidifier of humidifier.
According to this structure, can prevent that the saturation of water vapour in the humidifier from reducing.Particularly, the periphery that is compressed in of air produces heat in the booster, and humidifier proximity booster device is arranged and made the temperature that can suppress humidifier reduce, no longer needs to be used for simultaneously the special heating element of heated humidifiers.
According to a ninth aspect of the invention, booster and humidifier are arranged in the rear side of fuel cell.
According to this structure, can further suppress the humidifier temperature and reduce.Particularly, be arranged under the situation of fuel cell front side at booster and humidifier, booster and humidifier all can cool off under the influence of the air-flow that travels, and have guaranteed can easily not be subjected to the travelling influence of air-flow of booster and humidifier and booster and humidifier are arranged in the fuel cell rear side.
According to the tenth aspect of the invention, motorcycle comprises: main truss (for example, main truss 10 among the embodiment), from the beginning it have (for example manages, head pipe 5) (for example towards the oblique following frame section that extends down of vehicle rear-side, following frame section 10a), intermediate frame part (for example, intermediate frame part 10b) of extending towards vehicle rear-side and the rear frame section (for example, rear frame section 10c) that extends obliquely towards vehicle rear-side from the rear end of middle frame section from the rear end of following frame section; Back framework (for example, the rear-swing arm 21 among the embodiment) supports thereon driving wheel (for example, the trailing wheel 32 among the embodiment) movingly, with the main truss that is pivotably connected; And driver's seat (for example, seat 41), it is arranged in the main truss upside; Bypass line (for example, bypass line 87a) is used to make the outlet side of booster and fuel cell to walk around humidifier and is connected with each other; And the by-pass valve (for example, 87 among the embodiment) that is used to open and close bypass line.By-pass valve is arranged in the outside with respect to being connected straight line (for example, the straight line T1 among the embodiment) between booster and the humidifier, and be arranged in booster and humidifier near.
According to this structure, can effectively utilize the arrangement space in the fuel-cell vehicle, and can arrange the element of gas handling system effectively.Especially, for the less vehicle of the arrangement space of element (for example, motorcycle), many gas handling system arrangements of elements are extremely important wherein, arrange that effectively the effect of these elements is very big.
In addition, can reduce the pressure loss in the gas handling system of fuel-cell vehicle.More specifically, can reduce the pressure loss by the length that reduces Connection Element (for example, between booster and the humidifier and the air inlet pipeline between humidifier and the fuel cell).
According to an eleventh aspect of the invention, booster, humidifier and by-pass valve are arranged in the space (for example, the front space K3 among the embodiment), and this space is positioned at the seat downside and at back framework upside.
According to this structure,, can further effectively utilize arrangement space by effectively utilizing the dead band between seat in the fuel-cell vehicle and the back framework.
The invention effect
According to of the present invention first to the 5th and eight aspect, can prevent the sub-cooled of humidifier, and no longer need to be used for the special heating element of heated humidifiers.Especially, this effect for the car body size and weight is less and the good motorcycle of air-flow cooling property that travelled bigger.
According to of the present invention second and the third aspect, the temperature that can suppress humidifier better reduces.
According to a forth aspect of the invention, the temperature that can suppress humidifier reduces, and can utilize arrangement space efficiently.
According to a fifth aspect of the invention, the heat that is produced by booster, fuel cell and control unit can be delivered to the water vapour switching part effectively.
According to the of the present invention the 6th and the tenth aspect, can arrange air inlet element effectively, and can reduce the pressure loss in the gas handling system.
According to a seventh aspect of the invention, can improve the utilance of arrangement space in the fuel-cell vehicle.
According to a ninth aspect of the invention, can further suppress the humidifier temperature that causes because of the air-flow that travels in the motorcycle reduces.
According to an eleventh aspect of the invention, can effectively utilize dead band in the fuel-cell vehicle.
Other range of application of the present invention is from by becoming obvious the detailed description given below.Yet should be appreciated that detailed description and concrete example are that those skilled in the art can obtain being in various variations and the distortion in the spirit and scope of the invention from this detailed description in order to explain when showing the preferred embodiment of the present invention.
Description of drawings
By following that only schematically provide and do not have restricted detailed description and accompanying drawing more fully to understand the present invention, in the accompanying drawing to the present invention:
Fig. 1 is the left side view according to the fuel-cell vehicle of the embodiment of the invention;
Fig. 2 is the right side view of fuel-cell vehicle;
Fig. 3 is the bottom view of fuel-cell vehicle;
Fig. 4 is the main block diagram of the fuel cell system in the fuel-cell vehicle;
Fig. 5 is the right side view of fuel-cell vehicle major part;
Fig. 6 is the top view of fuel-cell vehicle major part; And
Fig. 7 a is the sectional view of humidifier longitudinal direction in the fuel-cell vehicle, and Fig. 7 b is the sectional view of the A-A line in Fig. 7 a.
Embodiment
Embodiments of the invention are described with reference to the accompanying drawings.Incidentally, unless stated otherwise, the implication of the front, rear, left and right in describing below etc. is identical with the implication in vehicle.In addition, the arrow FR in the accompanying drawing represents vehicle front side, and arrow LH represents vehicle left side, and arrow UP represents the vehicle upside.
Shown in Fig. 1 to 3, the fuel-cell vehicle 1 of motorcycle form is used for the motor 31 of powered vehicle based on the electric energy driving of supplying from the approximate centre fuel cell 51 partly that is installed in car body and travels.In addition, fuel-cell vehicle 1 can also be the vehicle that has than the small motor cycle type of low chassis part (hereinafter being called chassis portion simply) 3, the fuel cell 51 that wherein has the essentially rectangular parallelepiped shape is arranged in the inboard of chassis portion 3, the motor 31 of so-called in-wheel motor (wheel-in motor) is arranged in the wheel of trailing wheel 32, and trailing wheel 32 is the driving wheel of fuel-cell vehicle 1.
Motor 31 is constructed with the motor body that is arranged among its housing 31a and the integral unit of reducing gear, and under the situation of output shaft and hind axle 32a coaxial arrangement, motor 31 for example is installed in the wheel from the left side.
The front-wheel 11 of fuel-cell vehicle 1 is supported by the bottom of pair of right and left front fork 12 rotationally, and the top of front fork 12 can be supported on the head pipe 5 of car body framework 4 leading sections by steering column 13 with turning to.The steering tiller 14 of bar type is installed in the upper end of steering column 13, and air throttle handle 15 is installed in the right handle portion of steering tiller 14, and back and front brake lever 16 and 17 are arranged in the front side of a left side and right handle portion.
At the rear portion of car body framework 4 pivot plate 8 is set, the state vertical extent of this pivot plate 8 to tilt a little, so that its top is positioned at rear side, the leading section of rear-swing arm (back framework) 21 is supported on movably by pivot 9 and leans on the part of downside slightly with respect to the middle part of pivot plate 8, in this way, distolateral thereafter can on the car body vertical direction, the swing.Rear-swing arm 21 is configured such that its left arm body 23 extends to the leading section of motor 31, thereby supports the housing 31a of motor 31, and its right arm body 24 extends to the center of trailing wheel 32, thereby supports hind axle 32a rotationally.Rear-swing arm 21 and motor 31 are the critical pieces of motor unit 20 that constitute the swing unit of the battery car 1 that acts as a fuel.
The back bolster 33 that extends along the car body front-rear direction is arranged in the bottom of car body framework 4 and is positioned at the part of fuel cell 51 downsides.The rearward end of back bolster 33 is connected to the bottom of car body framework 4, and then the leading section of bolster 33 is connected to the bottom of motor unit 20 (rear-swing arm 21) by coupling mechanism 34.Coupling mechanism 34 makes back bolster 33 clash into along front-rear direction along with the swing of motor unit 20 vertical direction, and this bump (stroke) of back bolster 33 can appropriateness absorb the shock and vibration that are input to motor unit 20.
Car body framework 4 have from the beginning manage 5 top assign to left side and right side go up pipe 6 and from the beginning manage 5 bottom be branched off on the left of and the following pipe 7 on right side, the downward-sloping backward extension of last pipe 6, and in roughly intermediate altitude place's bending of car body vertical direction, extend back then, under manage 7 downward-sloping backward extensions, and, extend back then in the bending of the bottom of car body.The rearward end of pipe 6 is attached to upper end and the bottom that is positioned at the pivot plate 8 of rear side with respect to fuel cell 51 respectively with each rearward end of managing 7 down on each.In the following description, 5 to the sweep 7c of car body bottom the part of from the beginning managing of following pipe 7 is called as front part 7a, and 8 part is called as lower portion 7b from sweep 7c to pivot plate.
Here, manage 6 on, manage down 7 and pivot plate 8 constitute and from the beginning manage the 5 rear frame section 10c that recede the following frame section 10a that extends, the intermediate frame part 10b that extends back from the rear end of frame section 10a down downwards and upwards recede and extend from the rear end of middle frame section 10b; These frame sections 10a, 10b and 10c constitute the main truss 10 of fuel-cell vehicle 1, and this fuel-cell vehicle 1 is the vehicle of small motor cycle type.
Pipe 6 further extends backward from pivot plate 8 on each, and to arrive the rearward end of car body, the latter half of pipe 6 is as the seat framework that supports driver's seat (seating position) 41 on each.Particularly, the part that is positioned at pivot plate 8 front sides of last pipe 6 (constituting the parts of main truss 10 rear portion upsides) supports the driver's seat part as seat 41 first halfs, on manage 6 the part that is positioned at pivot plate 8 rear sides and support as the latter half of passenger seat part of seat 41.Fuel cell 51 is positioned at the downside of driver's seat position of seat 41.
The car body covering 42 that the car body of fuel-cell vehicle 1 is formed by synthetic resin covers.Car body covering 42 is also as windshield, and its part constitutes chassis portion 3 with car body framework 4 (main truss 10).Be used for the main support 37 that car body is supported on erectility is installed in the center of car body framework 4 bottoms, be used for the side stand 38 that car body is supported on the vertical state that is tilted to the left is installed in the left side of car body framework 4 bottoms.
The summary of the fuel cell system of 4 explanations in the fuel-cell vehicles 1 with reference to the accompanying drawings.
Fuel cell 51 is known solid-state polymer membranous type fuel cells (PEMFC), wherein lamination has a large amount of unit cell (unit cell), the hydrogen gas that acts as a fuel is supplied to anode-side, contain the oxygen air and be supplied to cathode side as oxidant gas, thereby produce electric energy by electrochemical reaction, and be accompanied by formation water.
The hydrogen gas (in other words, at the predetermined high pressure state) under predetermined pressure that acts as a fuel is fed to fuel cell 51 from hydrogen cylinder 52 by shutoff valve 53, and is introduced in after produce power in the hydrogen pipeloop 54.In hydrogen pipeloop 54, unreacted hydrogen is fed to fuel cell 51 repeatedly with the new hydrogen of supplying with from hydrogen cylinder 52.The hydrogen of circulation can be introduced in the air mix facilities 56 by vent valve 55 in hydrogen pipeloop 54.
On the other hand, be introduced in the booster 58 by air cleaning unit 57, be supplied to fuel cell 51 with pressurization (compression) to the state of predetermined pressure subsequently, and after produce power, be introduced in the air mix facilities 56 as the air of oxidant gas.
Here, mark 86 expressions among the figure are used to cool off the water-cooling type intercooler of the air (oxidant gas) that has been pressurized device 58 compressions, mark 59 expressions are used for the humidifier that humidification has passed through the oxidant gas of intercooler 86, mark 87a represents to walk around intercooler 86 and humidifier 59 and bypass line that booster 58 and fuel cell 51 are connected with each other, mark 87 expressions are used to open and close the by-pass valve of bypass line 87a, like this when low temperature (for example, when fuel cell 51 starts) allow the compressed air of automatic pressure intensifier 58 to walk around intercooler 86 and humidifier 59, mark 88 expressions are used for the check-valves of fuel metering battery 51 oxidant gas pressure.
When the vent valve 55 in being arranged on hydrogen pipeloop 54 was opened, reacted hydrogen was introduced in the air mix facilities 56.Accumulating in hydrogen in the air mix facilities 56 mixed with waste gas from fuel cell 51 in air mix facilities 56 before being discharged in the atmosphere by muffler 61 and is diluted.
The air (waste gas) that a part of water that produces in the fuel cell 51 is discharged with fuel cell 51 with the state of water vapour is introduced in the humidifier 59, and is used for heating the new air (oxidant gas) of waiting to be fed to fuel cell 51.Incidentally, in the humidifier 59 undrawn moisture with the state of water vapour with reacted gas by discharge after the air mix facilities 56, perhaps in air mix facilities 56 after the condensation by discharges such as drainage pipes.
The operation of fuel cell system is by ECU (ECU (Electrical Control Unit)) 70 and VCU (voltage control unit; Control unit) 62 controls.
ECU 70 is connected to VCU 62.ECU 70 is according to carry out the control that recovers electric energy in electric energy produces in the fuel cell 51 control, the motor 32 etc. from the air throttle start signal of air throttle handle 15, brake signal, vehicle speed signal etc.
VCU 62 is by constituting such as switch element of FET etc. as the heat production source, and according to the instruction of ECU 70, execution is from the conversion of the electric energy of storage battery 63 and fuel cell 51 supplies (for example, boost the change of current handle (boosting chopper treatment)) and to required electric energy of supply such as motor driver 64, boosters 58.Particularly, for example according to the instruction of ECU 70, VCU 62 regulates the voltage that supplies to booster 58 grades, and regulates and be fed to the air pressure of fuel cell 51, increases thereby make from the electric energy of output such as fuel cell 51 grades.Incidentally, though omitted in the accompanying drawings, VCU 62 is connected to all electric driver parts, for example vent valve 55, shutoff valve 53, check-valves 88, by-pass valve 87 and water pump 67.
Cooling system in the fuel cell system has such structure, wherein be formed with cooling water pipeline 66, it is used for making between the pipeline of coldplate (cooler) 65 of the pipeline of pipeline, intercooler 86 of the water jacket of fuel cell 51 and motor 31 and contiguous motor driver 64 and is communicated with, and water pump 67 and radiator 68 are arranged in the cooling water pipeline 66.
In this cooling system, cooling water is passed through and circulation in cooling water pipeline 66 by operation water pump 67, from fuel cell 51, motor 31, oxidant gas and motor driver 64, absorb heat, and by radiator 68 heat radiations.Incidentally, mark 69 expression thermostats are used for not making when fuel cell 51 is in low temperature or analogue cooling water flow through radiator 68 among the figure.
To Fig. 3, hydrogen cylinder 52 is gas cylinders of common hollow cylindrical referring to Fig. 1, and it is configured to the common synthesising container (general composite vessel) that is made of metal and fiber reinforced plastics.Hydrogen cylinder 52 is arranged on the upside of trailing wheel 32 and on the right side of rear vehicle, its axis is downward-sloping a little forward.Hydrogen cylinder 52 is arranged to, and its right-hand end (outboard end) is located slightly in the outer part with respect to pipe 6 outboard ends of going up on car body right side, and its left-hand end (medial extremity) is located slightly in the outer part with respect to the outboard end of trailing wheel 32.
The end, front and back of hydrogen cylinder 52 forms sphere, and hydrogen cylinder 52 is arranged to, and make its leading section be positioned at the front side of pivot plate 8, and rearward end is positioned at the rearward end of car body.Hydrogen cylinder 52 portion in its back-end has master switch 71 and hydrogen inflation inlet 72.
The pipe 6 of going up in car body left side roughly extended back point-blank in acclivitous while a little backward, and the pipe 6 of going up on car body right side is arranged to, and gradually changed downwards near pivot plate 8 with respect to the pipe 6 of going up in car body left side.In addition, pipe 6 is arranged on each, outwards gradually changes on vehicle-width direction near pivot plate 8.
In addition, in the car body end view, the pipe 6 of going up on car body right side is arranged to, and its lower end is roughly stacked with the lower end of hydrogen cylinder 52; In addition, on manage 6 and be bent upwards and extend towards car body left side in the car body rearward end, master switch 71 and hydrogen inflation inlet 72 to avoid hydrogen cylinder 52 are bent downwardly then, and are attached to the rearward end that goes up pipe 6 in car body left side.
Fuel cell 51 has the rectangular parallelepiped protrusion part shape, and it is broad on vehicle-width direction, and is more flat in vertical direction, and is provided with the supply opening of oxidant gas and hydrogen and the entrance and exit of exhaust outlet and cooling water at its front wall portion.
With reference to Fig. 5 and Fig. 6, the VCU 62 of box form is flat in vertical direction, and be arranged in the upside of fuel cell 51 and near fuel cell 51, the humidifier 59 that extends on vehicle-width direction is arranged in the back side top of fuel cell 51 and near fuel cell 51, booster 58 is arranged in the left side of the rear side oblique upper and the close humidifier 59 of humidifier 59.Booster 58 has such structure, the CD-ROM drive motor 58b that wherein has the rotating shaft that is parallel to vehicle-width direction is arranged in the left side of intensifier body 58a, and the left side of the air inlet pipe 57b that extends along vehicle-width direction is connected to the tiltedly rear portion down of intensifier body 58a.
Air inlet pipe 57b is set to the downside that its right side is positioned at hydrogen cylinder 52, and the leading section that also is positioned at the air purifier housing 57a of hydrogen cylinder 52 downsides is connected to the right side of air inlet pipe 57b.Air purifier housing 57a and air inlet pipe 57b are the critical pieces that constitutes air cleaning unit 57.
Blast pipe 85 with the 85b of chamber portion is connected to exhaust outlet (delivery outlet) 58c that intensifier body 58a tiltedly goes up the front side.Blast pipe 85 extends from exhaust outlet 58c, to form the upstream side coupling part 85a that extends with the arc form of protruding to upside in end view, extends then so that the right side is widened along the upper surface of the housing 59b of humidifier 59, to form the chamber 85b of portion.Coupling part, downstream 85c extends towards oblique rear side down from the right side of the 85b of chamber portion, and coupling part, downstream 85c is connected to intercooler 86.Check-valves 88 is arranged in the left side of the upside (left side of the 85b of chamber portion) and the close humidifier 59 of humidifier 59, by-pass valve 87 is arranged in the right side of the rear side and the close humidifier 59 of humidifier 59, and intercooler 86 is arranged in the oblique rear side down and the close by-pass valve 87 of by-pass valve 87.
Muffler 61 is flat on vehicle-width direction, and is arranged in the left side of rear vehicle, thereby is positioned at the outside with respect to the pipe 6 of going up in car body left side on vehicle-width direction.In the car body end view, muffler 61 is roughly square, and with acclivitous state arrangement backward at the oblique upper left side of trailing wheel 32, and be arranged in the latter half of of acclivitous backward blast pipe 77.
The relative large-scale following radiator 68b of the front side portion 7a front side of pipe 7 constitutes radiator 68 dividually with being positioned at down by the small-sized relatively last radiator 68a that is positioned at head pipe 5 front sides.Water pump 67 is positioned at the right lateral side of radiator 68b down, and thermostat 69 is arranged on the oblique rear side down of water pump 67.In addition, storage battery 63 is flat on vehicle-width direction, and is arranged in the inboard of the car body covering 42 that is positioned at following radiator 68b two sides.
Air mix facilities 56 is arranged in down between the sweep 7c of pipe 7, and is side-prominent down with the lower end with respect to following side 7b.Exhausting stub tube 78 is drawn from air mix facilities 56, and exhausting stub tube 78 is connected to the front side of the following side 7b of the following pipe 7 on the left of the car body, and blast pipe 77 is drawn from the rear side of following side 7b.Particularly, the following pipe 7 in car body left side constitutes the part on gas outlet pipe road, reaction back, make the waste gas of discharging from air mix facilities 56 by exhausting stub tube 78, manage 7 following side 7b and blast pipe 77 down and be discharged into the atmosphere.
In the car body end view, motor driver 64 is roughly square, and is installed in the outside of the left arm body 23 of rear-swing arm 21 on vehicle-width direction by coldplate 65.
Arm lid 21a as rear-swing arm 21 parts is installed to motor unit 20.Arm lid 21a covers rear-swing arm 21, motor 31, motor driver 64, coldplate 65 etc., and suitably protects them.Incidentally, arm lid 21a has outside air opening and outlet (not shown), is used to allow outside air to be distributed in its inside.
Humidifier 59 comprises the hollow fiber film assembly that for example is arranged in housing 59b, comes the humidification fuel gas by making moisture by the motion between the waste gas of waiting to be fed to the oxidant gas of fuel cell 51 and discharging from fuel cell 51 of this hollow fiber film assembly.Housing 59b has at vehicle-width direction elongated hollow cylindrical shape, and has the air inlet pipe and the blast pipe of oxidant gas and waste gas at its both ends.
Here, the part that is used to hold the hollow fiber film assembly of humidifier 59 is called water vapour switching part 59a; Booster 58, fuel cell 51 and VCU 62 disposed adjacent are around water vapour switching part 59a, with the periphery in the face of water vapour switching part 59a.In other words, in the car body end view, booster 58, fuel cell 51 and VCU 62 are arranged in the periphery of water vapour switching part 59b around humidifier 59 with the form of similar ring-type.
In addition, by-pass valve 87 is arranged in such position, this position in the car body end view between booster 58 and the humidifier 59 and be arranged to be connected straight line T1 between booster 58 and the humidifier 59 tiltedly down rear side depart from, and be inclined upwardly backward.More specifically, by-pass valve 87 (for example is arranged to its approximate center (substantial center), the center of by-pass valve 87 main body profiles) is positioned at tiltedly rear side down with respect to straight line T1, and be inclined upwardly backward, the approximate center that its cathetus T1 is connected booster 58 (for example, the pivot of CD-ROM drive motor 58b) with the approximate center (for example, the center of the hollow cylindrical of housing 59b) of humidifier 59 between.
In addition, intercooler 86 is arranged in the oblique rear side down of by-pass valve 87, and by-pass valve 87 is arranged among the triangle space K1 of intercooler 86, booster 58 and humidifier 59 encirclements, shown in the car body end view like this.More specifically, by-pass valve 87 is arranged to its approximate center and is positioned among the triangle space K1 that the straight line of the approximate center of the approximate center of the approximate center (for example, the center of intercooler 86 main body profiles) that connects intercooler 86, booster 58 and humidifier 59 surrounds.Incidentally, by-pass valve 87 is arranged to be positioned at rear side with respect to fuel cell 51 rear ends.
In Fig. 5 and Fig. 6, arrow 90 expression oxidant gas flow to the flowing of fuel cell 51 from booster 58 through by-pass valves 87, intercooler 86 and humidifier 59 along the main channel, and arrow 90 ' expression oxidant gas 58 flows directly to the mobile of fuel cell 51 along bypass line 87a from booster.
The oxidant gas that flows in the main channel flows to tiltedly rear side down along coupling part, the downstream 85c of blast pipe 85, get back to the front side then, flow to the housing 59b of humidifier 59 by the right part of humidifier 59, get back to right side and left side, and then flow through the right part of humidifier 59 forward.
On the other hand, the oxidant gas that flows in bypass line 87a is in case flow to tiltedly rear side down along coupling part, downstream 85c, will the flow through by-pass valve 87 on 85c right side, coupling part, contiguous downstream, get back to the front side, enter the right part of humidifier 59 from the top, thereby converge with fluid there, flow forward then.
Swing space K2 allows motor unit 20 swings, and trailing wheel 32 is fixed on the downside (downsides at seat 41 rear portions) of rear vehicle.Swing space K2 is arranged to advance corresponding to the wheel of trailing wheel 32, makes will produce front space K3 as the dead band being positioned at forward position with respect to trailing wheel 32.Yet in this embodiment, booster 58, humidifier 59, by-pass valve 87 and intercooler 86 are arranged in the place ahead of front space K3 inside, in other words, be positioned at the upside (being positioned at the part of front side with respect to trailing wheel 32) of rear-swing arm 21 front portions, thereby by effectively utilizing as the front space K3 in dead band and arrange the element of gas handling system effectively.
As mentioned above, the air intake structure in the foregoing description is applied to fuel-cell vehicle 1, and wherein fuel-cell vehicle 1 comprises: fuel cell 51, and it utilizes air and hydrogen to act as a fuel and produces the electric energy that is supplied to as the motor 31 in vehicle traction source; Booster 58 is used to compress outside air and exports Compressed Gas; And humidifier 59, be used for the air of humidification by booster 58 compression, the air supply of compressed and humidification to fuel cell 51, separate the water vapour that comprises in the waste gas of fuel cell 51 discharges, and humidification newly is fed to the air of fuel cell 51.In addition, booster 58 is arranged in the periphery and the contiguous humidifier 59 of humidifier 59.
According to this structure, can prevent that the saturation of water vapour in the humidifier 59 from reducing.Particularly, the compression meeting of air produces heat in the booster 58 around booster 58, and humidifier 59 proximity booster devices 58 are arranged the reduction that can limit humidifier 59 temperature, no longer need to be used for simultaneously the special heating element of heated humidifiers 59.
In addition, in above-mentioned air intake structure, fuel cell 51 is arranged in the periphery and the contiguous humidifier 59 of humidifier 59, thereby the heat that fuel cell 51 produces can be used for heated humidifiers 59 effectively, and can suppress the temperature reduction of humidifier 59 better.
In addition, in above-mentioned air intake structure, VCU 62 is set to control to the supply of electrical energy of motor etc., VCU 62 is arranged in the periphery and the contiguous humidifier 59 of humidifier 59, thereby can utilize the heat that produces by the VCU 62 that comprises such as the heat production element of FET heated humidifiers 59 effectively, and the temperature that can further suppress humidifier 59 reduces.
Here, in above-mentioned air intake structure, booster 58, fuel cell 51 and VCU 62 are arranged to the roughly form of similar ring-type along the periphery of humidifier 59, thereby the temperature that can more effectively suppress humidifier 59 reduces, and more effectively utilizes the arrangement space in the fuel-cell vehicle 1.
In addition, in above-mentioned air intake structure, humidifier 59 has the water vapour switching part 59a that extends along vehicle-width direction, booster 58, fuel cell 51 and VCU 62 are arranged to the periphery in the face of water vapour switching part 59a, thereby can enlarge such as the parts of booster 58 and the opposed area between the water vapour switching part 59a, the heat that is produced by booster 58, fuel cell 51 and VCU 62 can be delivered to water vapour switching part 59a effectively.
In addition, in above-mentioned air intake structure, booster 58 and humidifier 59 are arranged in the rear side of fuel cell 51, thereby the temperature that can further suppress humidifier 59 reduces.Particularly, be arranged under the situation of fuel cell 51 front sides at booster 58 and humidifier 59, booster 58 and humidifier 59 all can cool off under the influence of the air-flow that travels, and have then guaranteed can easily not be subjected to the travelling influence of air-flow of booster 58 and humidifier 59 but booster 58 and humidifier 59 are arranged in fuel cell 51 rear sides.
As mentioned above, be applied to the fuel-cell vehicle 1 of motorcycle form according to the arrangement of the gas handling system element of the foregoing description, wherein motorcycle comprises main truss 10, rear-swing arm 21 and driver's seat 41, from the beginning main truss 10 comprises manages 5 towards the oblique following frame section 10a that extends down of vehicle rear-side, the intermediate frame part 10b that extends towards vehicle rear-side from the rear end of following frame section 10a, and the rear frame section 10c that extends obliquely towards vehicle rear-side from the rear end of middle frame section 10b, rear-swing arm 21 supports thereon trailing wheel 32 movably, with the main truss 10 that is pivotably connected, driver's seat 41 is arranged in the upside at main truss 10 rear portions, wherein is provided with to be used to make the exhaust side of booster 58 and fuel cell 51 to walk around the bypass line 87a that humidifier 59 is connected with each other, and the by-pass valve 87 that is used to open and close bypass line 87a.By-pass valve 87 is arranged in the outside with respect to being connected straight line T1 between booster 58 and the humidifier 59, and be arranged in booster 58 and humidifier 59 near.
According to this structure, can effectively utilize the arrangement space in the fuel-cell vehicle 1, and can arrange the element of gas handling system effectively.Especially, for the less vehicle of the arrangement space of element, motorcycle for example, many gas handling system arrangements of elements are extremely important wherein, and arrange that effectively the effect of these elements is very big.
In addition, can reduce the pressure loss in the gas handling system of fuel-cell vehicle 1.Particularly, can reduce the pressure loss by the length that reduces Connection Element (for example, between booster 58 and the humidifier 59 and the air inlet pipe between humidifier 59 and the fuel cell 51).
In addition, in above-mentioned arrangement, be provided with intercooler 86, it is connected to the exhaust side of booster 58, and can be used for regulating the air themperature that is fed to humidifier 59, intercooler 86 is arranged in the outside with respect to booster 58 and straight line T1, by-pass valve 87 is arranged in by booster 58, among the space K1 that humidifier 59 and intercooler 86 surround, thereby by-pass valve 87 is arranged in the car body end view among the leg-of-mutton space K1, space K1 is by humidifier 59, the layout of booster 58 and intercooler 86 forms, and can more effectively utilize the arrangement space in the fuel-cell vehicle 1.
In addition, have following feature, booster 58, humidifier 59 and by-pass valve 87 are arranged among the front space K3, and this front space K3 is positioned at the downside at seat 41 rear portions and at the upside of rear-swing arm 21 front portions.
According to this structure, effectively utilized the front space K3 between the seat 41 and rear-swing arm 21 front portions in fuel-cell vehicle 1, thereby can further effectively utilize arrangement space as the dead band.
Incidentally, the invention is not restricted to the restriction that the foregoing description is not subjected to the foregoing description yet.For example, humidifier shown in Figure 7 59 ' in, can adopt such structure, the periphery of its housing 59b (periphery of water vapour switching part 59a) has double-walled construction, this double-walled construction partly constitutes from the part of the blast pipe 85 of the exhaust outlet 58c extension of booster 58, thereby the water vapour switching part 59a of humidifier 59 directly utilizes the high-temperature oxydation agent gas heated of just having discharged from booster 58.
As another example, even under the situation that intercooler 86 is not set, the structure that by-pass valve 87 is arranged on the position of departing from the straight line T1 that is connected between booster 58 and the humidifier 59 also is satisfiable.In addition, the position of by-pass valve 87 is not limited to the downside of straight line T1, but can be positioned at upside, front side or the rear side etc. of straight line T1.
Described the present invention, but obviously the present invention can have a lot of modification.These modification should not regarded as and break away from design of the present invention and scope, and are that significantly all these modification all are included in the appended claims restricted portion for those skilled in the art.
The application requires in the Japanese patent application No.2005-165223 of submission on June 6th, 2005 and the priority of No.2005-165224, and quotes its full content here.

Claims (11)

1, the air intake structure in a kind of fuel-cell vehicle comprises:
Fuel cell, it utilizes air and hydrogen to act as a fuel and produces the electric energy that is fed to motor, and described motor is as the drive source of described vehicle;
Booster is used to compress outside air and exports described compressed air;
Humidifier, be used for the described air of humidification by described compressed, described air supply compressed and humidification is arrived described fuel cell, separate the water vapour that from the waste gas that described fuel cell is discharged, comprises, and humidification newly is fed to the air of described fuel cell; And
Control unit is used for control to described motor supply electric energy, and wherein, described booster is arranged in the periphery and the contiguous described humidifier of described humidifier,
Described control unit is arranged in the periphery and the contiguous described humidifier of described humidifier,
And, described booster, described fuel cell and described control unit with the arranged in form of general toroidal around described humidifier.
2, according to the air intake structure in the fuel-cell vehicle of claim 1, wherein, described fuel cell arrangement is at the periphery and the contiguous described humidifier of described humidifier.
3, according to the air intake structure in the fuel-cell vehicle of claim 1 or 2, wherein, described humidifier has the water vapour switching part that extends along vehicle-width direction, and in described booster, described fuel cell and the described control unit at least one is arranged to the periphery in the face of described water vapour switching part.
4,, wherein, also comprise according to the air intake structure in the fuel-cell vehicle of claim 1:
Bypass line is used to make the outlet side of described booster and described fuel cell to walk around described humidifier and is connected with each other; And
By-pass valve is used to open and close described bypass line,
Wherein, described by-pass valve is with respect to being connected straight line between described booster and the described humidifier in the outside, and be arranged in described booster and described humidifier near.
5, according to the air intake structure in the fuel-cell vehicle of claim 4,
Also comprise intercooler, it is connected to the outlet side of described booster, and is used to regulate the air pressure that is fed to described humidifier;
Wherein, described intercooler is arranged in the outside of described straight line, and described by-pass valve is arranged in the space that is surrounded by described booster, described humidifier and described intercooler.
6, a kind of motorcycle that fuel cell is installed comprises:
The car body framework,
Be attached to the seat position of described car body framework,
Fuel cell, it is arranged in the downside of described seat position, and utilizes air and hydrogen to act as a fuel to produce the electric energy be fed to motor, and described motor is as the drive source of described vehicle;
Booster is used to compress outside air and exports described compressed air;
Humidifier is used for the described air of humidification by described compressed, and described air supply compressed and humidification is arrived described fuel cell, separate the water vapour from described fuel cell, and humidification newly is fed to the air of described fuel cell; And
Control unit is used for control to described motor supply electric energy,
Wherein, described booster is arranged in the periphery and the contiguous described humidifier of described humidifier,
Described control unit is arranged in the periphery and the contiguous described humidifier of described humidifier,
And, described booster, described fuel cell and described control unit with the arranged in form of general toroidal around described humidifier.
7, according to the motorcycle that fuel cell is installed of claim 6, wherein, described booster and described humidifier are arranged in the rear side of described fuel cell.
8, according to the motorcycle that fuel cell is installed of claim 6, wherein, also comprise:
Main truss, it has pipe from the beginning towards the oblique following frame section that extends down of vehicle rear-side;
The intermediate frame part of extending towards vehicle rear-side from the rear end of described frame section down;
From the rear frame section that extend obliquely towards vehicle rear-side the rear end of described intermediate frame part, back framework supports thereon driving wheel movingly, with the described main truss that is pivotably connected;
Driver's seat, it is arranged in the upside of described main truss;
Bypass line is used to make the outlet side of described booster and described fuel cell to walk around described humidifier and is connected with each other; And
By-pass valve is used to open and close described bypass line,
Wherein, described by-pass valve is with respect to being connected straight line between described booster and the described humidifier in the outside, and be arranged in described booster and described humidifier near.
9, the motorcycle that fuel cell is installed according to Claim 8, wherein, described booster, described humidifier and described by-pass valve are arranged in the space that is arranged in described seat downside and is positioned at described back framework upside.
10, the air intake structure in a kind of fuel-cell vehicle comprises:
Fuel cell, it utilizes air and hydrogen to act as a fuel and produces the electric energy that is fed to motor, and described motor is as the drive source of described vehicle;
Booster is used to compress outside air and exports described compressed air;
Humidifier, be used for the described air of humidification by described compressed, described air supply compressed and humidification is arrived described fuel cell, separate the water vapour that from the waste gas that described fuel cell is discharged, comprises, and humidification newly is fed to the air of described fuel cell; And
Control unit is used for control to described motor supply electric energy,
Wherein, described booster is arranged in the fuel cell rear side, and at the peripheral of described humidifier and the described humidifier of vicinity,
The air of described compressed and humidification flows to the front side of described fuel cell from booster,
Described control unit is arranged in the periphery and the contiguous described humidifier of described humidifier,
And, described booster, described fuel cell and described control unit with the arranged in form of general toroidal around described humidifier.
11, according to the air intake structure in the fuel-cell vehicle of claim 10, wherein, described fuel cell arrangement is at the periphery and the contiguous described humidifier of described humidifier.
CN200610091602A 2005-06-06 2006-06-06 Intake structure in fuel cell powered vehicle, and motorcycle with fuel cell mounted thereon Expired - Fee Related CN100593258C (en)

Applications Claiming Priority (3)

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JP2005165223A JP4588543B2 (en) 2005-06-06 2005-06-06 Arrangement structure of intake system members in fuel cell vehicle
JP165224/05 2005-06-06
JP165223/05 2005-06-06

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JP5071710B2 (en) * 2007-07-20 2012-11-14 本田技研工業株式会社 Saddle type fuel cell vehicle
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JP2001155749A (en) * 1999-11-30 2001-06-08 Yamaha Motor Co Ltd Vehicle provided with fuel cell drive system
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