WO2022168458A1 - Corps mobile et dispositif d'alimentation électrique - Google Patents

Corps mobile et dispositif d'alimentation électrique Download PDF

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Publication number
WO2022168458A1
WO2022168458A1 PCT/JP2021/046137 JP2021046137W WO2022168458A1 WO 2022168458 A1 WO2022168458 A1 WO 2022168458A1 JP 2021046137 W JP2021046137 W JP 2021046137W WO 2022168458 A1 WO2022168458 A1 WO 2022168458A1
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WO
WIPO (PCT)
Prior art keywords
power supply
supply device
hydrogen gas
voltage
moving body
Prior art date
Application number
PCT/JP2021/046137
Other languages
English (en)
Japanese (ja)
Inventor
弘江 川島
Original Assignee
弘江 川島
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 弘江 川島 filed Critical 弘江 川島
Publication of WO2022168458A1 publication Critical patent/WO2022168458A1/fr

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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
    • B60K8/00—Arrangement or mounting of propulsion units not provided for in one of the preceding main groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/80—Accessories, e.g. power sources; Arrangements thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M7/00—Motorcycles characterised by position of motor or engine
    • B62M7/12—Motorcycles characterised by position of motor or engine with the engine beside or within the driven wheel
    • 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

Definitions

  • the present invention relates to a mobile object using a fuel cell and a power supply device.
  • Electrically assisted bicycle bicycles equipped with an electric assist function that drives the wheels with an electric motor
  • electric assist bicycles electric kickboards, electric carts, drones, and the like are used as mobile objects driven by electric motors.
  • a mobile object driven by an electric motor often uses a rechargeable secondary battery as a power source.
  • rechargeable secondary batteries have a problem in that the time required for charging is relatively long compared to the time during which power can be supplied.
  • an object of the present invention is to provide a mobile body and a power supply device using a fuel cell.
  • a mobile body driven by an electric motor comprising power generating means for generating power using hydrogen gas as fuel, and voltage applying means for stabilizing the voltage output from the power generating means and applying the stabilized voltage to the motor.
  • a power supply device comprising power generating means for generating power using hydrogen gas as fuel, and voltage applying means for stabilizing the voltage output from the power generating means and applying the stabilized voltage to the motor.
  • FIG. 1 is a schematic diagram showing a configuration of a power supply system corresponding to at least one embodiment of the invention
  • FIG. FIG. 2 is a side view showing an example of a mobile body corresponding to at least one embodiment of the present invention
  • FIG. 2 is a side view showing an example of a mobile body corresponding to at least one embodiment of the present invention
  • FIG. 2 is a side view showing an example of a mobile body corresponding to at least one embodiment of the present invention
  • FIG. 1 is a schematic diagram showing the configuration of a power supply system corresponding to at least one embodiment of the invention.
  • the power supply system 1 is composed of a hydrogen gas supply source 2, a power supply device 3, a motor 8, and an external voltage control controller 9.
  • the power supply device 3 also includes a hydrogen gas regulator 4 , a fuel cell 5 , a control circuit 6 , and a stabilized power supply device 7 .
  • hydrogen gas is supplied from the hydrogen gas supply source 2 to the fuel cell 5 via the hydrogen gas regulator 4 .
  • the fuel cell 5 generates electricity using hydrogen gas as fuel.
  • the voltage output from the fuel cell 5 is stabilized by the stabilized power supply device 7 and the stabilized voltage is applied to the motor 8 .
  • the moving body is driven by the motor 8 .
  • the control circuit 6 controls the fuel cell 5 and/or the stabilized power supply 7 .
  • the control circuit 6 receives signals from the stabilized power supply 7 and/or the external voltage control controller 9 .
  • the hydrogen gas supply source 2 supplies hydrogen gas to the fuel cell 5 .
  • the hydrogen gas supply source 2 supplies hydrogen gas to the fuel cell 5 via the hydrogen gas regulator 4, as shown in FIG.
  • the hydrogen gas supply source 2 is installed outside the power supply device 3 as shown in FIG. Although not shown, it can also be installed inside the power supply device 3 .
  • the hydrogen gas supply source 2 is not particularly limited as long as it can supply hydrogen gas to the fuel cell 5 .
  • the hydrogen gas supply source 2 may be a hydrogen gas cylinder, a hydrogen storage alloy cylinder, or the like.
  • a hydrogen storage alloy cylinder is a cylinder for storing hydrogen filled with an alloy that retains hydrogen as a hydride when in contact with hydrogen molecules.
  • a hydrogen storage alloy cylinder can store hydrogen in a smaller volume than a hydrogen gas cylinder. Also, the hydrogen storage alloy cylinder can store hydrogen at an internal pressure of 10 atmospheres or less.
  • the hydrogen stored inside the hydrogen gas supply source 2 runs out, it can be refilled with hydrogen (hereinafter referred to as refilling). Since the hydrogen gas supply source 2 can be refilled, the cost can be reduced compared to newly purchasing another hydrogen gas supply source 2 . Also, the ability to refill the hydrogen gas source 2 can reduce waste emissions.
  • hydrogen storage alloy cylinders are highly safe because they can store hydrogen at an internal pressure of 10 atmospheres or less. Therefore, when the hydrogen stored inside the hydrogen-absorbing alloy cylinder runs out, it can be easily refilled by delivering the hydrogen-absorbing alloy cylinder to a refillable facility.
  • the hydrogen gas supply source 2 can be removed from the moving body and replaced with another hydrogen gas supply source 2 or a refilled hydrogen gas supply source 2. is possible. Since the hydrogen gas supply source 2 is replaceable, hydrogen gas can be immediately supplied to the fuel cell 5 even when the hydrogen stored inside the hydrogen gas supply source 2 runs out.
  • the capacity of the hydrogen gas supply source 2 can be appropriately designed according to the travel distance required for the mobile object. Further, the shape and dimensions of the hydrogen gas supply source 2 can be appropriately designed depending on the shape of the location where the hydrogen gas supply source 2 is installed.
  • the power supply device 3 includes the hydrogen gas regulator 4, the fuel cell 5, the control circuit 6, and the stabilized power supply device 7, as described above.
  • the power supply device 3 further includes a ventilation hole for taking in air from the outside, a drain port for draining water generated by the power generation of the fuel cell 5, and hydrogen if necessary.
  • a purge valve or the like for discharging the gas to the outside of the power supply device 3 can also be provided.
  • the hydrogen gas regulator 4 adjusts the flow rate of hydrogen gas supplied from the hydrogen gas supply source 2 .
  • the hydrogen gas regulator 4 may adjust the pressure of the hydrogen gas supplied from the hydrogen gas supply source 2 to a pressure suitable for supplying to the fuel cell 5 .
  • the hydrogen gas regulator 4 is not particularly limited as long as it can adjust the flow rate of hydrogen gas supplied from the hydrogen gas supply source 2 .
  • the fuel cell 5 generates electricity by burning the hydrogen gas supplied from the hydrogen gas supply source 2.
  • the hydrogen gas supplied from the hydrogen gas supply source 2 can be reacted with oxygen in the air taken in through the ventilation holes provided in the power supply device 3 .
  • the water generated by the power generation of the fuel cell 5 can be drained from the drain port provided in the power supply device 3 . Since the fuel cell 5 does not generate carbon dioxide during power generation, it imposes little burden on the environment.
  • the power output by the fuel cell 5 is not particularly limited as long as it can drive the moving object.
  • the power output from the fuel cell 5 is preferably 250 W or more, more preferably 300 W or more.
  • the power output from the fuel cell 5 is preferably 350 W or less, more preferably 330 W or less.
  • the control circuit 6 controls the fuel cell 5 and/or the stabilized power supply 7. Further, the control circuit 6 receives signals from the stabilized power supply device 7 and/or the external voltage control controller 9 .
  • the control circuit 6 may receive a signal from the stabilized power supply 7 and control the fuel cell 5 .
  • the control circuit 6 can control the fuel cell 5 by adjusting the flow rate of hydrogen gas supplied to the fuel cell 5 .
  • the control circuit 6 may also control the hydrogen gas regulator 4 .
  • the control circuit 6 can also receive a signal (hereinafter referred to as a motor voltage control signal) from the external voltage controller 9 and control the fuel cell 5 and/or the stabilized power supply 7 .
  • a signal hereinafter referred to as a motor voltage control signal
  • the control circuit 6 may control the fuel cell 5 by adjusting the flow rate of the hydrogen gas supplied to the fuel cell 5 as described above.
  • the control circuit 6 can also control the stabilized power supply 7 by adjusting the voltage output from the stabilized power supply 7 .
  • the motor voltage control signal will be described later.
  • control circuit 6 can control the discharge of steam and water generated by the power generation of the fuel cell 5 . Furthermore, the control circuit 6 can control the hydrogen gas to be discharged to the outside of the power supply device 3 when the hydrogen gas leaks or when the pressure of the hydrogen gas rises above a specified value.
  • the stabilized power supply 7 stabilizes the voltage output from the fuel cell 5 and applies the stabilized voltage to the motor. Since the voltage output by the fuel cell 5 is unstable, the stabilized power supply 7 stabilizes the voltage so that the rotation speed of the motor 8 can be stabilized.
  • the stabilized power supply device 7 can step up and/or step down the voltage output from the fuel cell 5 .
  • the stabilized power supply device 7 is not particularly limited as long as it can stabilize the voltage.
  • a DC/DC converter or the like is used as the stabilized power supply device 7 .
  • a DC/DC converter can convert a direct current with an unstable waveform into a direct current with a stable waveform. Also, the DC/DC converter can step up and/or step down the input voltage.
  • the power supply device 3 includes the hydrogen gas regulator 4, the fuel cell 5, the control circuit 6, and the stabilized power supply device 7 has been described.
  • the presence or absence of the hydrogen gas regulator 4, the control circuit 6, and/or the stabilized power supply device 7 can be appropriately designed.
  • the power supply device 3 may include devices other than the hydrogen gas regulator 4 , the fuel cell 5 , the control circuit 6 , and the stabilized power supply device 7 .
  • the shape and dimensions of the power supply device 3 can be appropriately designed depending on the shape of the location where the power supply device 3 is installed, the internal configuration of the power supply device 3, and the like.
  • the power supply device 3 may have a shape such as a prism, cylinder, cuboid, or sphere as a whole.
  • the power supply device 3 When the power supply device 3 is installed in a two-wheeled vehicle, it is preferable that the power supply device 3 has a prismatic or cylindrical shape as a whole.
  • the height (the length of the longest side) of the power supply device 3 is preferably 400 mm or less, and is 330 mm or less. is more preferable, and 300 mm or less is even more preferable.
  • the length of the longer side of the sides of the bottom surface of the power supply device 3 is preferably 200 mm or less, and 150 mm or less. and more preferably 120 mm or less.
  • the length of the shorter side of the sides of the bottom surface of the power supply device 3 is preferably 150 mm or less, and 110 mm or less. and more preferably 100 mm or less.
  • the power supply device 3 may be detachably installed on the mobile object.
  • the motor 8 rotates with power supplied from the power supply device 3 to drive the moving body.
  • the motor 8 is not particularly limited as long as it is rotated by power supplied from the power supply device 3 .
  • the motor 8 may drive the wheels. Also, if the moving body is driven by a propeller, the motor 8 may drive the propeller.
  • the external voltage controller 9 controls the voltage applied to the motor 8.
  • the external voltage control controller 9 may transmit a motor voltage control signal to the control circuit 6 in order to control the voltage applied to the motor 8 .
  • the external voltage control controller 9 includes an input section for receiving user input and a display section for displaying information. Further, the moving body may have a sensor, and the external voltage control controller 9 may have a sensor information receiving section for receiving information detected by the sensor.
  • the mobile body includes a torque sensor that detects the rotational force applied to the shaft of the pedal, a pedal rotation sensor that detects the rotational speed of the pedal, and a running speed of the mobile body. It is equipped with a traveling speed sensor, a brake sensor that detects when the brake is applied, and so on.
  • the external voltage control controller 9 is provided in the handle portion of the electrically assisted bicycle.
  • the user inputs an instruction to start/end power generation of the fuel cell 5, an instruction to assist the rotation of the wheels by the motor 8, and the like.
  • the motor voltage control signal is not particularly limited as long as it is a signal for controlling the voltage applied to the motor 8 .
  • the motor voltage control signal includes instructions input by the user to start/stop power generation by the fuel cell 5, and assistance in rotating the wheels by the motor 8 input by the user. information on the force in the direction of rotation applied to the pedal shaft detected by the torque sensor, information on the rotational speed of the pedal detected by the pedal rotation sensor, and information on the traveling speed of the moving object detected by the traveling speed sensor information and information related to the application of the brakes detected by the brake sensor.
  • the shape and dimensions of the external voltage control controller 9 can be appropriately designed depending on the shape of the location where the external voltage control controller 9 is installed.
  • the moving body according to the embodiment of the present invention is not particularly limited as long as it is driven by an electric motor.
  • the mobile object may be a two-wheeled vehicle.
  • Two-wheeled vehicles include, for example, power-assisted bicycles and electric kickboards.
  • the power supply device 3 When the two-wheeled vehicle is equipped with the power supply device 3, the power supply device 3 has a columnar shape, and the power supply device 3 is installed along one of the frames of the two-wheeled vehicle. is preferred. That the power supply device 3 is installed along one of the frames of the two-wheeled vehicle means that the longitudinal direction of the power supply device 3 is parallel to the longitudinal direction of one of the frames of the two-wheeled vehicle. It means that
  • FIG. 2 is a side view showing an example of a mobile body corresponding to at least one embodiment of the present invention.
  • the moving body is a power-assisted bicycle generally called a city cycle.
  • the city cycle shown in Figure 2 has a top tube (head Of the two upper and lower frames that connect the tube and seat tube, the upper frame has a curved shape near the center of the top tube.
  • the motor 8 is provided near the pedals.
  • the hydrogen gas supply source 2 is installed on the side surface of the rear carrier (a loading platform provided on the upper part of the rear wheel) so that the longitudinal direction of the hydrogen gas supply source 2 is parallel to the rear carrier. It is Further, the power supply device 3 is installed along the seat tube behind the seat tube.
  • the hydrogen gas supply source 2 is installed on the side surface of the rear carrier so that the longitudinal direction of the hydrogen gas supply source 2 is parallel to the rear carrier. Further, the power supply device 3 is installed along the straight portion on the seat tube side of the bent portion of the top tube.
  • the hydrogen gas supply source 2 is installed in front of the seat post so that the longitudinal direction of the hydrogen gas supply source 2 is parallel to the seat tube. Further, the power supply device 3 is installed along the straight portion on the head tube side of the curved portion of the top tube.
  • FIG. 3 is a side view showing an example of a mobile body corresponding to at least one embodiment of the present invention.
  • the moving body is a power-assisted bicycle generally called a small-diameter bicycle.
  • the small-diameter bicycle shown in FIG. 3 has a head tube and a seat tube that are shorter than those of a city cycle, and has a single frame connecting the head tube and the seat tube (hereinafter referred to as the frame central portion).
  • the motor 8 is provided near the pedals.
  • the power supply device 3 is installed along the seat tube in the center of the frame in front of the seat tube.
  • the hydrogen gas supply source 2 is installed in front of the power supply device 3 so that the longitudinal direction of the hydrogen gas supply source 2 is parallel to the longitudinal direction of the power supply device 3 .
  • the power supply device 3 is installed along the center of the frame.
  • the hydrogen gas supply source 2 is installed above the power supply device 3 so that the longitudinal direction of the power supply device 3 and the longitudinal direction of the hydrogen gas supply source 2 are parallel to each other.
  • the hydrogen gas supply source 2 is installed above the rear wheel so that the longitudinal direction of the hydrogen gas supply source 2 is substantially parallel to the ground. Further, the power supply device 3 is installed along the seat tube in the center portion of the frame in front of the seat tube.
  • FIG. 4 is a side view showing an example of a mobile body corresponding to at least one embodiment of the present invention.
  • the moving object is a power-assisted bicycle generally called a sports cycle.
  • the seat tube, top tube, and down tube are triangular in side view.
  • the motor 8 is provided near the pedals.
  • the hydrogen gas supply source 2 is installed above the down tube so that the longitudinal direction of the hydrogen gas supply source 2 is parallel to the down tube. Further, the power supply device 3 is installed along the seat tube in front of the seat tube.
  • the hydrogen gas supply source 2 is installed above the rear wheel so that the longitudinal direction of the hydrogen gas supply source 2 is substantially parallel to the ground. Further, the power supply device 3 is installed along the seat tube in front of the seat tube.
  • the hydrogen gas supply source 2 is installed above the rear wheel so that the longitudinal direction of the hydrogen gas supply source 2 is substantially parallel to the ground. Further, the power supply device 3 is installed along the down tube above the down tube.
  • One hydrogen gas supply source 2 may be installed.
  • the manner in which the hydrogen gas supply source 2, power supply device 3, and motor 8 are installed on the moving body is not limited to the examples shown in FIGS. 2 to 4, and can be designed as appropriate.
  • three or more hydrogen gas supply sources 2 may be installed in the moving body.
  • the motor 8 may be installed at the hub of the front wheel or rear wheel instead of near the pedals.
  • two or more motors 8 may be installed on the moving body.
  • the mobile body may be provided with an external voltage control controller 9 .
  • the hydrogen gas supply source 2 and the power supply device 3 can be installed at different locations on the moving body, as shown in FIGS.
  • the moving body according to the embodiment of the present invention may be anything other than a two-wheeled vehicle as long as it is driven by an electric motor.
  • the moving body may be a transport device.
  • a transport device is a device for transporting things, animals, people, etc. It may be one that moves under the control of an operator, or one that moves automatically according to a program. Further, the transport device may be one in which a person can board, or one in which a person cannot board. The transport device may be a vehicle type that can travel on the ground, an aircraft type that can fly in the sky, a ship type that can move on water, or a submersible type that can go underwater. Anything is fine.
  • Transport devices include, for example, automatic transport carts, electric forklifts, golf carts, drones, and underwater drones.
  • the moving body driven by the electric motor includes power generating means for generating power using hydrogen gas as fuel, and voltage applying means for stabilizing the voltage output from the power generating means and applying the stabilized voltage to the motor.
  • the mobile body can be stably driven by power generation of the fuel cell.
  • the power supply device 3 may be detached from a mobile object and can supply power to something other than the mobile object.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Fuel Cell (AREA)

Abstract

L'objet de la présente invention est de fournir : un corps mobile qui utilise une pile à combustible ; et un dispositif d'alimentation électrique.　La présente invention concerne un corps mobile qui est entraîné par un moteur électrique, le corps mobile comprenant : un moyen de génération d'électricité pour générer de l'électricité, à l'aide d'hydrogène gazeux en tant que combustible ; et un moyen de transmission de tension pour stabiliser la sortie de tension provenant du moyen de génération d'électricité, et pour communiquer la tension stabilisée au moteur.
PCT/JP2021/046137 2021-02-08 2021-12-14 Corps mobile et dispositif d'alimentation électrique WO2022168458A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021018490A JP2022121237A (ja) 2021-02-08 2021-02-08 移動体、及び電力供給装置
JP2021-018490 2021-02-08

Publications (1)

Publication Number Publication Date
WO2022168458A1 true WO2022168458A1 (fr) 2022-08-11

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ID=82742163

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PCT/JP2021/046137 WO2022168458A1 (fr) 2021-02-08 2021-12-14 Corps mobile et dispositif d'alimentation électrique

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JP (1) JP2022121237A (fr)
WO (1) WO2022168458A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002246037A (ja) * 2001-02-20 2002-08-30 Yamaha Motor Co Ltd 電動車両の燃料電池ユニット
JP2002249090A (ja) * 2001-02-22 2002-09-03 Yamaha Motor Co Ltd 電動自転車
JP2007083953A (ja) * 2005-09-26 2007-04-05 Yamaha Motor Co Ltd 燃料電池駆動式電動車両
JP2007112406A (ja) * 2005-10-19 2007-05-10 Masashi Sato 電動車輛
KR20180019276A (ko) * 2016-08-16 2018-02-26 동아대학교 산학협력단 무인으로 비행하는 드론 및 그 제어방법
JP2018176920A (ja) * 2017-04-10 2018-11-15 廣瀬バルブ工業株式会社 飛翔体

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002246037A (ja) * 2001-02-20 2002-08-30 Yamaha Motor Co Ltd 電動車両の燃料電池ユニット
JP2002249090A (ja) * 2001-02-22 2002-09-03 Yamaha Motor Co Ltd 電動自転車
JP2007083953A (ja) * 2005-09-26 2007-04-05 Yamaha Motor Co Ltd 燃料電池駆動式電動車両
JP2007112406A (ja) * 2005-10-19 2007-05-10 Masashi Sato 電動車輛
KR20180019276A (ko) * 2016-08-16 2018-02-26 동아대학교 산학협력단 무인으로 비행하는 드론 및 그 제어방법
JP2018176920A (ja) * 2017-04-10 2018-11-15 廣瀬バルブ工業株式会社 飛翔体

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