WO2022030068A1 - Dispositif de transmission d'énergie, dalle de sol de route, et système de transmission d'énergie - Google Patents

Dispositif de transmission d'énergie, dalle de sol de route, et système de transmission d'énergie Download PDF

Info

Publication number
WO2022030068A1
WO2022030068A1 PCT/JP2021/018835 JP2021018835W WO2022030068A1 WO 2022030068 A1 WO2022030068 A1 WO 2022030068A1 JP 2021018835 W JP2021018835 W JP 2021018835W WO 2022030068 A1 WO2022030068 A1 WO 2022030068A1
Authority
WO
WIPO (PCT)
Prior art keywords
power transmission
power
transmission device
unit
road
Prior art date
Application number
PCT/JP2021/018835
Other languages
English (en)
Japanese (ja)
Inventor
健太郎 降矢
賢二 西村
Original Assignee
株式会社Ihi
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 株式会社Ihi filed Critical 株式会社Ihi
Priority to JP2022541121A priority Critical patent/JP7416258B2/ja
Publication of WO2022030068A1 publication Critical patent/WO2022030068A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • B60L53/122—Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M7/00—Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/04—Pavings made of prefabricated single units
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • This disclosure relates to power transmission equipment, road decks and power transmission systems.
  • a power transmission device that is installed along the road surface and supplies electric power in a non-contact manner to the power receiving unit of the power receiving device installed in a vehicle traveling on the road surface.
  • Most of the power transmission devices for non-contact power supply for vehicles are large, and it is necessary to install the power transmission devices on roads, parking lots and bicycle parking lots.
  • Patent Document 1 a pavement structure that supplies power to a power receiving device provided in a vehicle via electromagnetic waves is provided in a recess extending in the direction in which the vehicle travels and inside the recess.
  • a pavement structure provided with a magnetic material member, a coil-shaped power supply body installed on the magnetic material member and supplying power to the power receiving device via electromagnetic waves, and a power supply body protective material covering the power supply body inside the recess. It has been disclosed.
  • this disclosure describes a power transmission device, a road deck, and a power transmission system that make it easier to install a plurality of power transmission devices.
  • One aspect of the present disclosure is a power transmission device that is installed along the road surface and supplies electric power in a non-contact manner to a power receiving unit of a power receiving device installed in a vehicle traveling on the road surface, and supplies electric power to the power receiving unit in a non-contact manner.
  • the power transmission unit to be supplied is electrically connected to other power transmission devices installed along the road surface, and either receiving power from other power transmission devices or transmitting power to other power transmission devices is performed. It is a power transmission device equipped with a unit.
  • the road deck on the other side of the present disclosure, and the power transmission system on the other side of the present disclosure it becomes easier to install a plurality of power transmission devices.
  • FIG. 1 It is a perspective view which shows the power transmission apparatus which concerns on 3rd Embodiment. It is a figure which shows the connection in the power transmission system which concerns on 3rd Embodiment.
  • (A) is a plan view which shows the power transmission system which concerns on 4th Embodiment
  • (B) is a figure which shows the connection in (A).
  • One aspect of the present disclosure is a power transmission device that is installed along the road surface and supplies electric power in a non-contact manner to a power receiving unit of a power receiving device installed in a vehicle traveling on the road surface, and supplies electric power to the power receiving unit in a non-contact manner.
  • the power transmission unit to be supplied is electrically connected to other power transmission devices installed along the road surface, and either receiving power from other power transmission devices or transmitting power to other power transmission devices is performed. It is a power transmission device equipped with a unit.
  • a power transmission that supplies power to the power receiving unit in a non-contact manner.
  • the connection unit is electrically connected to other power transmission devices installed along the road surface, and either receives power from other power transmission devices or transmits power to other power transmission devices. Further prepare. Since either power is received or transmitted between the power transmission device installed along the road surface and electrically connected to each other and other power transmission devices, it is necessary to lay electric wires between multiple power transmission devices. It becomes unnecessary and it becomes easier to install multiple power transmission devices.
  • the connecting portion is the first to electrically connect with the first other power transmission device among the other power transmission devices installed along the road surface and receive the electric power from the first other power transmission device.
  • the connecting portion and the second connecting portion that electrically connects to the second other power transmission device among other power transmission devices installed along the road surface and transmits power to the second other power transmission device. You may have.
  • the connecting portion has a first connecting portion and a second connecting portion.
  • the first connection portion is electrically connected to the first other power transmission device among other power transmission devices installed along the road surface, receives power from the first other power transmission device, and is second-connected.
  • the unit electrically connects with a second other power transmission device among other power transmission devices installed along the road surface, and transmits power to the second other power transmission device. Therefore, a plurality of power transmission devices in a row can be electrically connected. Since either power is received or transmitted between a plurality of electrically connected power transmission devices in a row, it is not necessary to lay electric wires between the plurality of power transmission devices in a row, and a plurality of power transmission devices are not required. Installation of power transmission equipment becomes easier.
  • the connecting portion is electrically connected to another power transmission device via the connecting portion and a detachable connecting member, and receives power from the other power transmission device and power to the other power transmission device via the connecting member.
  • the connecting member may have a misalignment absorbing mechanism that electrically connects to the other power transmission device while allowing a relative misalignment with the other power transmission device. ..
  • the connecting portion is electrically connected to the other power transmission device via the connecting part and the detachable connecting member, and receives power from the other power transmission device and the other power transmission device via the connecting member.
  • One of the transmissions of electric power to is performed, and the connecting member has a misalignment absorbing mechanism that electrically connects to the other transmission device while allowing a relative misalignment with the other transmission device.
  • these power transmission devices are electrically connected by attaching a connecting member to the connection portion with respect to the power transmission device and other power transmission devices installed including a relative positional deviation due to a construction error or the like. can. Therefore, it becomes easier to install a plurality of power transmission devices.
  • control unit that can changeably control the power supplied to the power receiving unit in a non-contact manner by the power transmission unit may be further provided.
  • control unit can change the power supplied to the power receiving unit in a non-contact manner by the power transmission unit. Therefore, it is possible to change the power supplied to the power receiving unit in a non-contact manner by the power transmission unit in each of the power transmission device and other power transmission devices installed along the road surface and electrically connected to each other, which is convenient for non-contact power supply. Sex improves.
  • a sensor unit for detecting the approach of an object is further provided, and the control unit can change the power supplied to the power receiving unit by the power transmission unit in a non-contact manner according to the approach of the object detected by the sensor unit. You may.
  • the sensor unit detects the approach of an object
  • the control unit controls the power supplied to the power receiving unit in a non-contact manner by the power transmission unit according to the approach of the object detected by the sensor unit.
  • the other aspect of the present disclosure is a road deck including the power transmission device of one aspect of the present disclosure.
  • the road slab includes the power transmission device on one side of the present disclosure
  • the installation of the road slab and the installation of the power transmission device can be combined, and the installation of a plurality of power transmission devices can be performed more. It will be easy.
  • another aspect of the present disclosure is a road deck provided with a power transmission device mounting portion to which the power transmission device on one side of the present disclosure is mounted from above, and a deck-shaped support portion for supporting the power transmission device mounting portion from below. Is.
  • the road slab includes a power transmission device mounting portion to which the power transmission device on one side of the present disclosure is mounted from above, and a slab-shaped support portion that supports the power transmission device mounting portion from below.
  • the power transmission device can be installed by mounting the power transmission device on one side of the present disclosure from above the power transmission device mounting portion, and the installation of a plurality of power transmission devices becomes easier.
  • another aspect of the present disclosure is a power transmission system that supplies electric power to the power receiving portion of a power receiving device installed on a vehicle traveling on the road surface in a non-contact manner, which is installed along the road surface and does not contact the power receiving unit.
  • a plurality of power transmission units that supply power and two power transmission units in a plurality of power transmission units are electrically connected to each other, and either power is received or transmitted between the two power transmission units. It is a power transmission system equipped with a unit.
  • the power transmission device 10A, the road deck 100A and the power transmission system 1000A according to the first embodiment are installed along the road surface S and travel on the road surface S. Power is supplied to the power receiving unit 221 of the power receiving device 220 installed in the vehicle 200 in a non-contact manner.
  • the road deck 100A according to the present embodiment includes a single power transmission device 10A according to the present embodiment.
  • the power transmission device 10A is embedded in the road deck 100A so that the upper surface of the power transmission device 10A and the upper surface of the road deck 100A form the same plane.
  • a plurality of road decks 100A are connected to each other in a line to form a power transmission system 1000A.
  • the plane is not limited to the horizontal plane.
  • the power transmission device 10A, the road deck 100A, and the power transmission system 1000A are installed, for example, along the road surface S in front of the tollhouse of the motorway, the drive-through, the parking lot, and the bicycle parking lot.
  • the upper surface of the power transmission device 10A and the road deck A and the road surface S form the same plane, and the power transmission device 10A is attached to the power receiving unit 221.
  • a power transmission device 10A, a road deck 100A, and a power transmission system 1000A are embedded under the road surface S so that electric power can be supplied in a non-contact manner.
  • the upper surfaces of the power transmission device 10A and the road deck A are located below the road surface S as long as the power transmission device 10A can supply power to the power receiving unit 221 in a non-contact manner. Aspects to be used are also included.
  • the term "installed along the road surface S" means that the power transmission device 10A is installed in the case of a temporary power transmission system 1000A whose installation period is limited, for example, when it is installed in the event venue only during the event holding period.
  • a mode in which the road deck 100A and the power transmission system 1000A are placed on the road surface S is also included.
  • the road deck 100A including one power transmission device 10A and one power transmission device 10A is, for example, a square or rectangular plate-shaped member in a plan view.
  • the vehicle 200 is, for example, an electric vehicle.
  • the power transmission device 10A utilizes magnetic coupling between coils such as a magnetic field resonance method or an electromagnetic induction method with respect to the power receiving unit 221 of the power receiving device 220 mounted on a vehicle 200 such as an electric vehicle arriving at a parking space of a parking lot. It is configured to supply power in a non-contact manner.
  • the vehicle 200 may be a hybrid vehicle or a plug-in hybrid vehicle instead of an electric vehicle.
  • the vehicle 200 may be various unmanned vehicles instead of a manned vehicle.
  • the vehicle 200 may be an automatic guided vehicle (AGV) instead of a manned vehicle.
  • AGV automatic guided vehicle
  • the power transmission device 10A and the power receiving device 220 are not limited to supplying electric power in a non-contact manner while the vehicle 200 is stopped, and may be configured to supply electric power in a non-contact manner while the vehicle 200 is traveling. ..
  • the power transmission device 10A, road deck 100A and power transmission system 1000A may be provided, for example, in part or all of the driveway of a motorway. good.
  • the power transmission device 10A includes a power transmission unit 21 and a device connection unit (connection unit) 22 on the base 20.
  • the power transmission unit 21 supplies electric power to the power receiving unit 221 of the power receiving device 220 mounted on the vehicle 200 in a non-contact manner.
  • the coil receiving portion 26 has a flat upper surface and has a recess in the center thereof for accommodating the power transmitting portion 21, and the transmitting portion 21 is a coil device supported by the upper surface of the recess of the coil receiving portion 26 on the base 20.
  • the power transmission unit 21 is coated with resin (for example, glass fiber reinforced unsaturated polyester) or resin concrete in the recess of the coil receiving unit 26, and the upper surface of the coating is flush with the upper surface of the coil receiving unit 26.
  • the coil receiving portion 26 and the base portion 20 may be integrated, and the lower portion of the coil receiving portion 26 may also serve as the base portion 20.
  • the power transmission unit 21 covered with resin or resin concrete has sufficient durability against the weight and load of the vehicle 200 traveling on the power transmission unit 21, and is between the power transmission unit 21 and the power reception unit 221. It does not interfere with the magnetic field of the non-contact power supply generated in the concrete, and enables highly efficient non-contact power supply.
  • the upper surface of the coil receiving portion 26 and the upper surface of the resin or resin concrete coating are flush with each other and form a part of the road surface S.
  • the power receiving unit 221 of the power receiving device 220 mounted on the vehicle 200 is a coil device installed on the lower surface 201 of the vehicle body of the vehicle 200.
  • the electromagnetic coupling circuit is formed by bringing the power transmission unit 21 and the power reception unit 221 close to each other.
  • This electromagnetic coupling circuit means a circuit in which a power transmission unit 21 and a power reception unit 221 are electromagnetically coupled to perform power transmission from the power transmission unit 21 to the power reception unit 221 by non-contact power supply.
  • the AC magnetic flux generated in the power transmission unit 21 interlinks with the power reception unit 221 to generate an induced current in the power reception unit 221.
  • the power receiving unit 221 receives the electric power from the power transmitting unit 21 in a non-contact manner.
  • the power receiving device 220 rectifies the AC power received from the power transmitting unit 21 by the power receiving unit 221 and converts it into DC power.
  • the DC power converted by the power receiving device 220 is supplied to a load such as a battery of the vehicle 200.
  • the power transmission unit 21 and the power reception unit 221 may perform non-contact power supply by an electromagnetic induction method or may perform non-contact power supply by a magnetic field resonance method. Further, the power transmission unit 21 and the power reception unit 221 may be antenna devices.
  • the device connecting portion 22 has a first device connecting portion (first connecting portion) 23 and a second device connecting portion (second connecting portion) 24.
  • the first device connecting portion 23 and the second device connecting portion 24 are located at the corners of both ends of one side of the power transmission device 10A having a square or rectangular shape in a plan view.
  • the first device connecting portion 23 and the second device connecting portion 24 are concave portions having a square or rectangular shape in a plan view.
  • the first device connecting portion 23 and the second device connecting portion 24 include a device connecting portion 25 protruding in the recess.
  • the square or rectangular road deck 100A in a plan view includes a deck connecting portion (connecting portion) 122 that is electrically connected to another road deck on two sides facing each other.
  • the deck connecting portion 122 has a first deck connecting portion (first connecting portion) 123 on one side and a second deck connecting portion (second connecting portion) 124 on the other side.
  • the first device connecting portion 23 is electrically connected to the first deck connecting portion 123 via a connection 126 embedded in the road deck 100A.
  • the second device connecting portion 24 is electrically connected to the second deck connecting portion 124 via a connection 126 embedded in the road deck 100A.
  • the deck connecting portion 122 is electrically connected to other power transmission devices 11A and 12A included in another road deck 100A installed along the road surface S, and receives electric power from the other power transmission devices 11A and 12A. And one of the transmission of electric power to other power transmission devices 11A, 12A is performed.
  • the electrical connection is not necessarily limited to the case where the power transmission devices 10A, 11A, and 12A connected to each other are adjacent to each other, and the power transmission device 10A included in the road deck 100A as in the present embodiment is used. , 11A, 12A, respectively, are separated from each other and connected to each other. Further, electrically connected means that when the vehicle 200 is a small vehicle and the power transmission device 10A not included in the road deck 100A is placed on the road surface S, the power transmission devices 10A and 11A connected to each other. , 12A are also included in which they are adjacent to each other. The power transmission devices 10A, 11A, and 12A included in the road deck 100A are connected to each other in a line. The power transmission devices 10A, 11A, and 12A have the same structure as each other.
  • the first deck connecting portion 123 is the first other power transmission device 11A among the other power transmission devices 11A and 12A included in the other road deck 100A installed along the road surface S. It is electrically connected to and receives power from the first other power transmission device 11A.
  • the second deck connecting portion 124 is electrically connected to the second other power transmission device 12A among the other power transmission devices 11A and 12A included in the other road deck 100A installed along the road surface S. , The second other power transmission device 12A is transmitted with electric power.
  • the first deck connecting portion 123 and the second deck connecting portion 124 are concave portions having a square or rectangular shape in a plan view.
  • the first deck connecting portion 123 and the second deck connecting portion 124 include a deck connecting portion 125 protruding in the recess.
  • the road deck 100A the electromagnetic field for non-contact power supply generated by the power transmission devices 10A, 11A, 12A does not pass through except the upper surfaces of the power transmission devices 10A, 11A, 12A. Therefore, the road deck 100A can be made of any material that can be used as the road surface S, such as asphalt and concrete, except for the power transmission devices 10A, 11A, and 12A.
  • the deck connecting portion 122 is electrically connected to the floor slab connecting portion 122 and other power transmission devices 11A and 12A included in the other road deck 100A via the detachable connecting member 30.
  • the connecting member 30 is a rectangular plate-shaped member in a plan view. Each of the short sides of both rectangular connecting members 30 in a plan view fits into the recesses of the first deck connecting portion 123 and the second deck connecting portion 124 and the floor slab connecting portion 125. Either the power is received from the other power transmission devices 11A, 12A and the power is transmitted to the other power transmission devices 11A, 12A via the connecting member 30.
  • the connecting member 30 is due to a construction error with other power transmission devices 11A and 12A included in the other road deck 100A.
  • the connecting member 30 is a misalignment absorbing mechanism 31A, a misalignment absorbing mechanism 31B, or a position that is electrically connected to other power transmission devices 11A, 12A included in another road deck 100A while allowing relative misalignment. It has a shift absorbing mechanism 31C.
  • the misalignment absorbing mechanism 31A has a structure in which a flexible electric wire is surrounded or sandwiched by a rubber material so that the electric wire can move in the connecting member 30.
  • the rubber material has elasticity and can hold the electric wire in the connecting member 30 even if the distance between both ends of the electric wire changes.
  • the misalignment absorbing mechanism 31B has a structure in which the electric wire has a flexible portion having an extra length so that the electric wire can move in the connecting member 30.
  • the misalignment absorption mechanism 31C has a structure including a transformer that transmits electric power in a non-contact manner.
  • the power transmission device 10A transmits the power received by the first device connection unit 23 to the power transmission unit 21, and transmits the power received by the first device connection unit 23 to the second device connection unit 24.
  • the power line 27 is provided.
  • the power transmission device 10A includes a signal line 28 that transmits a control signal received by the first device connecting unit 23 to the second device connecting unit 24.
  • PLC power line communication
  • the signal line 28 may be omitted.
  • the road deck 100A As shown in FIG. 4, in the transmission devices 10A, 11A, 12A included in the road deck 100A connected by the connecting member 30 in a row at the deck connecting portion 122, the road deck including the transmission device 11A.
  • the first deck connecting portion 123 of 100A is electrically connected to the power supply unit 60 via the connecting member 30, and receives electric power from the power supply unit 60.
  • the power supply unit 60 receives electric power from the external power source 62 and is embedded in the first deck connecting portion 123 of the road deck 100A including the connecting member 30 and the power transmission device 11A and the road deck 100A including the power transmission device 11A. It has a control unit 61 that transmits power to the first device connection unit 23 of the power transmission device 11A via the connection line 126.
  • the power source 62 is a power source that supplies power necessary for non-contact power supply from the power transmission devices 10A, 11A, 12A connected via the deck connecting portion 122 to the vehicle 200, and is, for example, a commercial power source or solar power. It is a power source obtained from power generation or wind power generation via a power conditioner.
  • the power supply unit 60 may be an independent unit whose upper surface is flush with the road surface S, or may be a road that is the same as or different from any of the power transmission devices 10A, 11A, 12A. It may be incorporated in the floor slab.
  • the control unit 61 includes an AC / DC converter that rectifies and boosts single-phase AC power or three-phase AC power received from the power supply 62 and converts it into DC power.
  • the AC power received from the power source 62 is shown by a broken line.
  • the control unit 61 converts the DC power rectified and boosted by the AC / DC converter into AC power having a higher frequency than the AC power received from the power source 62, and the roadbed slab 100A including the connecting member 30 and the power transmission device 11A. It includes a DC / AC inverter that transmits power to the first device connecting portion 23 of the power transmitting device 11A via the connection 126 embedded in the first floor slab connecting portion 123 and the road slab 100A.
  • the converted AC power is shown by a solid line.
  • the power transmitted from the power supply unit 60 to the first device connecting portion 23 of the power transmission device 11A causes the power transmission unit 21 of the power transmission device 11A to supply power to the power receiving unit 221 of the power receiving device 220 mounted on the vehicle 200 in a non-contact manner. do.
  • the electric power transmitted from the power supply unit 60 to the first device connecting portion 23 of the power transmission device 11A is transmitted from the second device connecting portion 24 of the power transmission device 11A to the connection 126 embedded in the roadbed slab 100A including the power transmission device 11A. Buried in the second slab connecting portion 124 of the road slab 100A including the device 11A, the connecting member 30, the first slab connecting portion 123 of the road slab 100A including the power transmission device 10A, and the road slab 100A including the power transmission device 10A. Power is transmitted to the first device connecting portion 23 of the power transmission device 10A via the connected connection 126.
  • the power transmission unit 21 of the power transmission device 10A supplies power to the power reception unit 221 of the power reception device 220 mounted on the vehicle 200 in a non-contact manner. do.
  • the power transmitted from the power transmission device 11A to the first device connection unit 23 of the power transmission device 10A is transmitted from the second device connection unit 24 of the power transmission device 10A to the connection 126 embedded in the roadbed slab 100A including the power transmission device 10A. Buried in the second slab connecting portion 124 of the road slab 100A including the device 10A, the connecting member 30, the first slab connecting portion 123 of the road slab 100A including the power transmission device 12A, and the road slab 100A including the power transmission device 12A. Power is transmitted to the first device connecting portion 23 of the power transmission device 12A via the connected connection 126.
  • the power transmission unit 21 of the power transmission device 12A supplies power to the power reception unit 221 of the power reception device 220 mounted on the vehicle 200 in a non-contact manner. do.
  • the second deck connecting portion 124 of the road deck 100A including the power transmission device 12A is covered and insulated by the end cap 32.
  • the road deck 100A connected in a row in this way is connected to a general road deck 150 that does not include the power transmission devices 10A, 11A, and 12A.
  • the ends of the road deck 100A and the road deck 150 are supported by a support 151 such as a beam and a support.
  • each of the power transmission units 21 of the power transmission devices 10A, 11A, and 12A included in the road deck 100A connected in a row to each other is a power reception device 220 mounted on a plurality of vehicles 200. Power may be supplied to each of the power receiving units 221 in a non-contact manner. Further, each of the power transmission units 21 of the power transmission devices 10A, 11A, and 12A included in the road deck 100A connected in a row to each other is a plurality of power reception units 221 of the power reception device 220 mounted on one vehicle 200. Power may be supplied to each of the above in a non-contact manner. Further, in the same manner as described above, four or more power transmission devices 10A and the like may be connected to each other in a line.
  • non-contact power supply devices for electric mobility are large and need to be installed on roads, parking lots or bicycle parking lots.
  • non-contact power supply devices may be placed on the road surface.
  • contactless power supplies may need to be buried along the road surface.
  • embedding a non-contact power feeding device including a coil in the road surface and laying an electric wire requires considerable labor and cost.
  • unlike residential areas it may be necessary to install multiple contactless power supply devices in public places.
  • the power transmission unit 21 that supplies electric power to the power reception unit 221 in a non-contact manner it is electrically connected to other power transmission devices 11A and 12A included in another roadbed slab 100A installed along the road surface S.
  • the power receiving unit 221 is installed along the road surface S, respectively.
  • a plurality of power transmission units 21 that supply power in a non-contact manner and two power transmission units 21 among the plurality of power transmission units 21 are electrically connected to each other to receive and transmit power between the two power transmission units. It is provided with a floor slab connecting portion 122 in which either is performed.
  • Either the power is received or transmitted between the power transmission device 10A and the other power transmission devices 11A and 12A included in the plurality of road decks 100A installed along the road surface S and electrically connected to each other. Therefore, it is not necessary to lay electric wires between the plurality of power transmission devices 10A, 11A, 12A, and the installation of the plurality of power transmission devices 10A, 11A, 12A becomes easier.
  • the deck connecting portion 122 has a first deck connecting portion 123 and a second deck connecting portion 124.
  • the first floor slab connecting portion 123 is electrically connected to the first other power transmission device 11A among the other power transmission devices 11A and 12A included in the other road slab 100A installed along the road surface S.
  • the second slab connecting portion 124 receives power from the first other power transmission device 11A, and the second slab connecting portion 124 is among the other power transmission devices 11A, 12A included in the other road slab 100A installed along the road surface S. It is electrically connected to the second other power transmission device 12A and transmits power to the second other power transmission device 12A.
  • the floor slab connecting portion 122 is electrically connected to the other power transmission devices 11A and 12A included in the other road floor slab 100A via the floor slab connecting portion 122 and the detachable connecting member 30. It is connected, and either the power is received from the other power transmission devices 11A, 12A or the power is transmitted to the other power transmission devices 11A, 12A via the connection member 30, and the connection member 30 is the other roadbed slab. It has a misalignment absorbing mechanism 31A, 31B, 31C that is electrically connected to the other power transmission devices 11A, 12A while allowing a relative misalignment with the other power transmission devices 11A, 12A included in the 100A.
  • the connecting member 30 is connected to the deck connecting portion 122 with respect to the power transmission device 10A and the other power transmission devices 11A and 12A included in the road deck 100A installed including the relative positional deviation due to a construction error or the like.
  • these power transmission devices 10A, 11A, 12A can be electrically connected. Therefore, it becomes easier to install a plurality of power transmission devices 10A, 11A, 12A.
  • the connecting member 30 is detachable from the floor slab connecting portion 122, maintenance of the power transmission devices 10A, 11A, and 12A after installation becomes easy.
  • the misalignment absorption mechanism 31A, 31B, 31C stably transmits or receives power between the power transmission devices 10A, 11A, and 12A.
  • the road deck 100A since the road deck 100A includes the power transmission devices 10A, 11A, 12A of the present embodiment, the installation of the road deck 100A and the installation of the power transmission devices 10A, 11A, 12A are performed. It can also be used, and the installation of a plurality of power transmission devices 10A, 11A, 12A becomes easier. That is, in the present embodiment, after incorporating the power transmission devices 10A, 11A, 12A into the road deck 100A, the road deck 100A can be arranged side by side to form the road surface S, and the power transmission devices 10A, 11A, 12A can be connected to each other. ..
  • the road deck 100B of the present embodiment transmits power to the power transmission device mounting portions 127, 128 to which the power transmission devices 10A, 11A, 12A and the connecting member 30 are mounted from above. It is provided with a deck-shaped support portion 129 that supports the device mounting portions 127 and 128 from below.
  • the power transmission device mounting portion 127 is a recess into which the base 20 of the power transmission devices 10A, 11A, and 12A fits.
  • the power transmission device mounting portion 128 is a recess in which the connecting member 30 is fitted.
  • the deck-like support portion 129 has the same configuration as the general road deck 150.
  • the road deck 100B of the present embodiment does not have the deck connecting portion 122 and the connection 126 like the road deck 100A of the first embodiment. As shown in FIGS. 7 and 8, a plurality of road decks 100B are connected to each other in a line to form a power transmission system 1000B.
  • the device connecting portion 22 of the power transmission device 10A attached to the power transmission device mounting portion 127 of the road deck 100B from above is attached to the respective power transmission device mounting portions 128 of the road deck 100B adjacent to each other from above. It is electrically connected to other power transmission devices 11A and 12A attached to the power transmission device mounting portion 127 of the other road deck 100B from above via the device connecting portion 22 and the detachable connecting member 30.
  • the connecting member 30 is a rectangular plate-shaped member in a plan view, and the length of the long side is set to the distance between the device connecting portions 22 of the power transmission devices 10A, 11A, and 12A adjacent to each other. It is the corresponding length.
  • Each of the short sides of both rectangular connecting members 30 in a plan view fits into the recesses of the first device connecting portion 23 and the second device connecting portion 24 and the device connecting portion 25. Either the power is received from the other power transmission devices 11A, 12A and the power is transmitted to the other power transmission devices 11A, 12A via the connecting member 30.
  • the control unit 61 of the power supply unit 60 transmits power to the first device connecting unit 23 of the power transmission device 11A via the connecting member 30.
  • the AC power received from the power source 62 and not converted is shown by a broken line.
  • the converted AC power is shown by a solid line.
  • the electric power transmitted from the power supply unit 60 to the first device connecting portion 23 of the power transmission device 11A is transmitted from the second device connecting portion 24 of the power transmission device 11A to the first device connecting portion 23 of the power transmitting device 10A via the connecting member 30. Will be done.
  • the electric power transmitted from the power transmission device 11A to the first device connection unit 23 of the power transmission device 10A is transmitted from the second device connection unit 24 of the power transmission device 10A to the first device connection unit 23 of the power transmission device 12A via the connection member 30. Will be done.
  • the second device connecting portion 24 of the power transmission device 12A is covered and insulated by the end cap 32.
  • the power transmission device 10A is attached to the roadbed slab 100B installed along the road surface S and supplies electric power to the power receiving unit 221 of the power receiving device 220 installed in the vehicle 200 traveling on the road surface S in a non-contact manner.
  • the power transmission unit 21 that supplies power to the power reception unit 221 in a non-contact manner, it is electrically connected to other power transmission devices 11A and 12A attached to another road slab 100B installed along the road surface S.
  • the device connecting portion 22 is further provided for receiving power from the other power transmission devices 11A and 12A and transmitting power to the other power transmission devices 11A and 12A.
  • a plurality of power transmission units that supply power to the power receiving unit 221 in a non-contact manner.
  • Power transmission unit 21 and two power transmission units 21 among the plurality of power transmission units 21 are electrically connected to each other, and the device connection unit 22 for receiving or transmitting electric power between the two power transmission units is performed.
  • the first device connecting portion 23 is the first other power transmission among the other power transmission devices 11A and 12A attached to the other road slab 100B installed along the road surface S. It is electrically connected to the device 11A, receives power from the first other power transmission device 11A, and the second device connecting portion 24 is attached to another road slab 100B installed along the road surface S. It is electrically connected to the second other power transmission device 12A in the power transmission devices 11A and 12A of the above, and power is transmitted to the second other power transmission device 12A.
  • a plurality of power transmission devices 10A, 11A, 12A in a row can be electrically connected. Since either power is received or transmitted between the plurality of electrically connected power transmission devices 10A, 11A, 12A in a row, the power transmission devices 10A, 11A, 12A among the plurality of power transmission devices 10A, 11A, 12A in a row are used. It becomes unnecessary to lay electric wires and the like, and it becomes easier to install a plurality of power transmission devices 10A, 11A, 12A on the road surface S.
  • the device connecting portion 22 is electrically connected to the device connecting portion 22 and other power transmission devices 11A and 12A attached to the other roadbed slab 100B via the detachable connecting member 30. Then, either the power is received from the other power transmission devices 11A, 12A or the power is transmitted to the other power transmission devices 11A, 12A via the connecting member 30, and the connecting member 30 is the other road slab 100B. It has a misalignment absorbing mechanism 31A, 31B, 31C that is electrically connected to the other power transmission devices 11A, 12A while allowing a relative misalignment with the other power transmission devices 11A, 12A attached to the power transmission device 11A, 12A.
  • the connecting member 30 is connected to the device connecting portion 22 with respect to the power transmission device 10A and the other power transmission devices 11A and 12A attached to the road deck 100B installed including the relative positional deviation due to a construction error or the like.
  • these power transmission devices 10A, 11A, 12A can be electrically connected. Therefore, it becomes easier to install a plurality of power transmission devices 10A, 11A, 12A.
  • the connecting member 30 is detachable from the device connecting portion 22, maintenance of the power transmission devices 10A, 11A, and 12A after installation becomes easy.
  • the misalignment absorption mechanism 31A, 31B, 31C stably transmits or receives power between the power transmission devices 10A, 11A, and 12A.
  • the road slab 100B supports the power transmission device mounting portions 127 and 128 to which the power transmission devices 10A, 11A and 12A are mounted from above and the power transmission device mounting portions 127 and 128 from below. Since the road slab 100B is provided, the power transmission devices 10A, 11A, 12A can be installed by mounting the power transmission devices 10A, 11A, 12A from above the power transmission device mounting parts 127, 128. , Installation of a plurality of power transmission devices 10A, 11A, 12A becomes easier.
  • the power transmission devices 10A, 11A, 12A are incorporated into the road slab 100B, and the power transmission device 10A, It is possible to connect between 11A and 12A.
  • the power transmission devices 10B, 11B, 12B according to the third embodiment are provided by the power transmission unit 21 in addition to the configurations of the power transmission devices 10A, 11A, 12A according to the first embodiment.
  • a control unit 40 is further provided to control the power supplied to the power receiving unit 221 in a non-contact manner so as to be changeable.
  • the control unit 40 is arranged on the side of the power transmission unit 21, and is electrically connected between the first device connecting unit 23 and the second device connecting unit 24.
  • control unit 40 can changeably control the power supplied to the power receiving unit 221 in a non-contact manner by the power transmission unit 21 of each of the power transmission devices 10B, 11B, 12B, the control unit 40 is outside the power transmission devices 10B, 11B, 12B. It may be arranged in.
  • the control unit 40 is an electronic control unit including, for example, a CPU [Central Processing Unit], a ROM [Read Only Memory], a RAM [Random Access Memory], and the like. Similar to the control unit 61 of the power supply unit 60, the control unit 40 rectifies and boosts the single-phase AC power or three-phase AC power received from the power supply 62 and converts the AC / DC converter and AC / into DC power. It includes a DC / AC inverter that converts DC power rectified and boosted by a DC converter into AC power having a higher frequency than AC power received from the power supply 62.
  • the control unit 40 can changeably control the power supplied to the power receiving unit 221 by the power transmitting unit 21 in a non-contact manner.
  • the first device connecting unit 23 and the second device connecting unit 24 are electrically directly connected by, for example, a bus bar, and the AC / DC converter is connected so as to electrically branch from the bus bar. Therefore, of the single-phase AC power or three-phase AC power received by the control unit 40, the power that is not converted into high-frequency AC power by the AC / DC converter and DC / AC inverter is connected without being converted. It is transmitted to the control unit 40 of.
  • the road deck 100A includes a single power transmission device 10B, 11B, 12B of the present embodiment. As shown in FIG. 10, a plurality of road decks 100A are connected to each other in a line to form the power transmission system 1000C of the present embodiment.
  • the AC power received from the power source 62 and not converted is shown by a broken line. Further, in FIG. 10, the converted AC power is shown by a solid line.
  • the control unit 40 has a radio antenna 41 that receives a control signal from the outside.
  • the control unit 40 controls the power transmission unit 21 so as to be able to change the power supplied to the power reception unit 221 in a non-contact manner.
  • the control unit 40 may be able to change the power supplied to the power receiving unit 221 by the power transmission unit 21 in a non-contact manner according to the control signal received by the signal line 28.
  • the upper part of the wireless antenna 41 may be covered with a material such as plastic that transmits radio waves, or a part or the whole of the wireless antenna 41 may be exposed on the road surface S. desirable.
  • the control unit 40 of the power transmission device 10B sets the power supplied to the power reception unit 221 by the power transmission unit 21 in a non-contact manner to 0, and receives all the power received from the first other power transmission device 11B. It is also possible to transmit power to the second other power transmission device 12B. In this case, the power transmission device 10B functions as an electric line between the other power transmission device 11B and the power transmission device 12B. In the example of FIG. 10, the control unit 40 of the power transmission device 11B converts the electric power received from the power source 62 and supplies it to the power transmission unit 21 of the power transmission device 11B.
  • the power transmission unit 21 of the power transmission device 11B supplies power to the power reception unit 221 of the power reception device 220 mounted on the vehicle 200 in a non-contact manner by the converted electric power. Further, the control unit 40 of the power transmission device 11B transmits the power received from the power source 62 to the power transmission device 10B without converting it. The electric power transmitted to the power transmission device 10B is reduced by the amount of the electric power supplied to the power transmission unit 21 of the power transmission device 11B from the power received from the power source 62.
  • the control unit 40 of the power transmission device 10B converts the unconverted power received from the power transmission device 11B, but does not supply power to the power transmission unit 21 of the power transmission device 10B. Therefore, the power transmission unit 21 of the power transmission device 10B does not supply electric power to the power reception unit 221 of the power reception device 220 mounted on the vehicle 200. Further, the control unit 40 of the power transmission device 10B transmits the unconverted electric power to the power transmission device 12B. The power transmitted to the power transmission device 12B is reduced by the amount of the power supplied to the power transmission unit 21 of the power transmission device 10B from the power received from the power transmission device 11B, but is supplied to the power transmission unit 21 of the power transmission device 10B. Since the power is zero, the power transmitted to the power transmission device 12B is equal to the power received from the power transmission device 11B. As described above, the power transmission device 10B functions as an electric line between the other power transmission device 11B and the power transmission device 12B.
  • the control unit 40 of the power transmission device 12B converts the unconverted power received from the power transmission device 10B and supplies it to the power transmission unit 21 of the power transmission device 12B.
  • the power transmission unit 21 of the power transmission device 12B supplies power to the power reception unit 221 of the power reception device 220 mounted on the vehicle 200 in a non-contact manner by the converted electric power.
  • the power transmission devices 10B, 11B, and 12B may be attached to the road deck 100B of the second embodiment.
  • the control unit 40 is able to changeably control the power supplied to the power receiving unit 221 by the power transmission unit 21 in a non-contact manner. Therefore, the power supplied to the power receiving unit 221 by the power transmission unit 21 can be changed in each of the power transmission device 10B and the other power transmission devices 11B and 12B installed along the road surface S and electrically connected to each other. , Convenience at the time of non-contact power supply is improved.
  • each of the plurality of power transmission devices 10B, 11B, 12B has a control unit 40, which can be controlled independently at the same time, which is convenient after installation of the power transmission devices 10B, 11B, 12B. Sex improves. For example, different electric power can be non-contactly supplied to each vehicle 200. Further, in the present embodiment, for example, according to the approach of the vehicle 200, only the necessary power transmission unit 21 in the power transmission devices 10B, 11B, 12B can be energized, and the power consumption can be reduced.
  • the power transmission device 10B when the power transmission device 10B is a parking lot for a vehicle having no contactless power supply function, for example, a gasoline engine vehicle, power is not supplied to the power transmission unit 21 of the power transmission device 10B.
  • the power transmission device 10B can function as an electric line between another power transmission device 11B and the power transmission device 12B.
  • the control unit 40 since the control unit 40 is arranged on the side of the power transmission unit 21, maintenance of the power transmission devices 10B, 11B, 12B after installation becomes easy.
  • the fourth embodiment will be described.
  • the same control unit 40 as in the third embodiment is located below the power transmission unit 21. Have been placed.
  • the road deck 100B according to the present embodiment is equipped with the power transmission devices 10C, 11C, 12C of the present embodiment.
  • the power transmission system 1000D of the present embodiment is configured.
  • the unconverted AC power is shown by a broken line
  • the converted AC power is shown by a solid line.
  • the power transmission unit 21 and the control unit 40 may be integrated. Further, the power transmission devices 10C, 11C, and 12C may be embedded in the road deck 100A of the first embodiment.
  • control unit 40 since the control unit 40 is arranged below the power transmission unit 21, it is possible to prevent tampering with the control unit 40 after the power transmission devices 10C, 11C, and 12C are arranged.
  • the fifth embodiment will be described.
  • the approach of an object is made.
  • a sensor unit 50 for detection is further provided.
  • the control units 40 of the power transmission devices 10D, 11D, and 12D are in non-contact with the power reception unit 221 by the power transmission units 21 of the power transmission devices 10D, 11D, and 12D in response to the approach of the object detected by the sensor unit 50. Controls the power supplied in a changeable manner.
  • the sensor unit 50 is arranged in each of the connecting members 30.
  • the sensor unit 50 includes any of an optical sensor, a capacitance sensor, a metal detection sensor, and a weight sensor.
  • the power transmission devices 10D, 11D, and 12D of the present embodiment are attached to the road deck 100B according to the present embodiment.
  • the power transmission system 1000E of the present embodiment is configured by connecting a plurality of road decks 100B in a line with each other.
  • the control units 40 of the power transmission devices 10D, 11D, and 12D individually respond to the approach of the object detected by the sensor unit 50, and the power transmission units of the power transmission devices 10D, 11D, and 12D, respectively.
  • 21 controls the power supplied to the power receiving unit 221 in a non-contact manner so as to be changeable.
  • the unconverted AC power is shown by a broken line, and the converted AC power is shown by a solid line.
  • the control units 40 of the power transmission devices 10D, 11D, and 12D supply electric power to the power transmission units 21 of the power transmission devices 10D, 11D, and 12D only when the sensor unit 50 detects the approach of the vehicle 200.
  • the control units 40 of the power transmission devices 10D, 11D, and 12D do not supply electric power to the power transmission units 21 of the power transmission devices 10D, 11D, and 12D when the sensor unit 50 does not detect the approach of the vehicle 200.
  • the sensor unit 50 When the sensor unit 50 detects the approach of the vehicle 200, the sensor unit 50 transmits a signal to the control unit 40 of the power transmission devices 10D, 11D, 12D on the traveling direction side of the vehicle 200.
  • the method of transmitting the signal from the sensor unit 50 to the control unit 40 may be wired communication or wireless communication.
  • the control unit 40 receives a signal indicating the approach of the vehicle 200 from the sensor unit 50, the control unit 40 controls one or both of the AC / DC converter and the DC / AC inverter so as to supply electric power to the power transmission unit 21. do.
  • control unit 40 when the control unit 40 receives a signal indicating the passage of the vehicle 200 from the sensor unit 50, the control unit 40 either or both of the AC / DC converter and the DC / AC inverter so as not to supply electric power to the power transmission unit 21. To control. This prevents the power transmission unit 21 from supplying power when the vehicle 200 is not present on the power transmission devices 10D, 11D, and 12D.
  • the sensor unit 50 includes parts of the power transmission devices 10D, 11D, 12D such as the coil receiving unit 26 and the control unit 40 other than the connecting member 30, and power transmission devices 10D, 11D, 12D such as the road deck 100B. It may be located at a position outside the. Further, the sensor unit 50 detects the type of the object, and the control units 40 of the power transmission devices 10D, 11D, and 12D each have the power transmission devices 10D, 11D, and 12D according to the type of the object detected by the sensor unit 50.
  • the electric power supplied to the power receiving unit 221 in a non-contact manner may be changedly controlled by each of the power transmitting units 21 of the above.
  • control units 40 of the power transmission devices 10D, 11D, and 12D receive power from the power transmission units 21 of the power transmission devices 10D, 11D, and 12D according to the size and type of the vehicle 200 detected by the sensor unit 50.
  • the power supplied to the unit 221 in a non-contact manner may be controlled so as to be changeable.
  • control units 40 of the power transmission devices 10D, 11D, and 12D supply electric power to the power transmission units 21 of the power transmission devices 10D, 11D, and 12D when the sensor unit 50 detects the approach of a person and a bicycle. It is possible not to.
  • the sensor unit 50 is located outside the power transmission devices 10D, 11D, 12D such as the coil receiving unit 26 and the control unit 40 other than the connecting member 30, and the power transmission devices 10D, 11D, 12D such as the road deck 100B.
  • the power transmission devices 10D, 11D, and 12D may also be embedded in the road deck 100A of the first embodiment.
  • the sensor unit 50 detects the approach of an object, and the control unit 40 supplies the power receiving unit 221 to the power receiving unit 221 in a non-contact manner according to the approach of the object detected by the sensor unit 50.
  • the power is controlled so that it can be changed. Therefore, for example, among the power transmission device 10D and other power transmission devices 11D, 12D installed along the road surface S and electrically connected to each other, the power transmission of the power transmission devices 10D, 11D, 12D approached by the vehicle 200
  • the power supplied to the power receiving unit 221 in a non-contact manner can be increased by the unit 21, and the power supplied by the power transmission unit 21 of the power transmission devices 10D, 11D, 12D to which the vehicle 200 is not close can be set to 0. As a result, power consumption can be reduced.
  • the control unit 61 of the power supply unit 60 intensively responds to the approach of the object detected by the sensor unit 50, and the power transmission devices 10D, 11D,
  • Each control unit 40 of 12D is controlled, and the power supplied to the power receiving unit 221 in a non-contact manner by each of the power transmission units 21 of the power transmission devices 10D, 11D, and 12D is mutably controlled. That is, the electronic control unit included in the control unit 40 in the third embodiment is included in the control unit 61 in the present embodiment.
  • the AC / DC converter and the DC / AC inverter included in the control unit 40 in the third embodiment are also included in the control unit 40 in the present embodiment.
  • the method of transmitting a signal from the sensor unit 50 to the control unit 61 and the method of transmitting the control signal from the control unit 61 to the respective control units 40 of the power transmission devices 10D, 11D, and 12D are wireless even in wired communication via the signal line 28. Communication may be used. PLC (power line communication) may be used to superimpose the control signal on the power transmission, and the signal line 28 may be omitted.
  • the road deck 100C includes a plurality of power transmission devices 10A, 11A, 12A.
  • the road deck 100C of the present embodiment two are embedded so as to form a line in the road deck 100C and electrically connected via a connection 126 embedded in the road deck 100C.
  • the road deck 100C including the two power transmission devices 10A, 11A, and 12A are connected to each other in a line to form the power transmission system 1000G of the present embodiment.
  • the unconverted AC power is shown by a broken line
  • the converted AC power is shown by a solid line.
  • the slab connecting portion 122 of the road slab 100C including the power transmission device 10A is the other power transmission devices 11A, 12A included in the other road slab 100A installed along the road surface S. It is electrically connected to the other power transmission devices 11A and 12A, and either the power is received from the other power transmission devices 11A or 12A or the power is transmitted to the other power transmission devices 11A or 12A.
  • each of the two power transmission devices 10A, 11A, and 12A included in the road deck 100C is electrically connected in advance via the connection 126, and may not necessarily be detachably connected.
  • the road deck 100C may include a plurality of power transmission devices 10B, 11B, 12B, 10C, 11C, 12C, 10D, 11D, 12D.
  • the road deck 100D has a power transmission device mounting portion 127, 128 to which a plurality of power transmission devices 10A, 11A, 12A are mounted from above, and a power transmission device mounting portion 127. , 128 is provided with a deck-shaped support portion 129 that supports 128 from below.
  • two power transmission devices are attached in a row to the power transmission device mounting portion 127 and are connected to each other by a connecting member 30 attached to the power transmission device mounting portion 128. Includes 10A, 11A, 12A.
  • the power transmission system 1000H of the present embodiment is configured by connecting road decks 100D including two power transmission devices 10A, 11A, and 12A in a line to each other.
  • the unconverted AC power is shown by a broken line
  • the converted AC power is shown by a solid line.
  • the device connecting portion 22 of the power transmission device 10A attached from above to the power transmission device mounting portion 127 of the road deck 100D has the respective device connecting portions 22 of the road deck 100B adjacent to each other.
  • Another power transmission device 11A which is attached to the power transmission device mounting part 128 from above and is attached to the power transmission device mounting part 127 of the other road deck 100B from above via the device connection part 22 and the detachable connecting member 30. It is electrically connected to 12A.
  • three or more power transmission devices 10A, 11A, 12A may be attached to the road deck 100D so as to form a line with the road deck 100D.
  • a plurality of power transmission devices 10B, 11B, 12B, 10C, 11C, 12C, 10D, 11D, 12D may be attached to the road deck 100D.
  • the road deck 100E according to the present embodiment is embedded in the road deck 100C in two rows and electrically via a connection 126 embedded in the road deck 100E.
  • the road deck 100E including the four power transmission devices 10A, 11A, and 12A are connected to each other in a line to form the power transmission system 1000I of the present embodiment.
  • four power transmission devices 10B, 11B, 12B, 10C, 11C, 12C, 10D, 11D, 12D may be embedded in the road deck 100E.
  • the embodiments are not limited to the above embodiments.
  • the structure, shape, and quantity of the power transmission device 10A, the road deck 100A, the power transmission system 1000A, and the like can be appropriately changed.
  • the control unit 61 may include an AC / DC converter and the control unit 40 may include a DC / AC inverter.
  • the control unit 40 receives the output of the AC / DC converter, that is, DC power.
  • the road deck on the other side of the present disclosure, and the power transmission system on the other side of the present disclosure it becomes easier to install a plurality of power transmission devices.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transportation (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un dispositif de transmission d'énergie, lequel dispositif est installé le long d'une surface de route et lequel délivre de l'énergie selon un mode sans contact à une unité de réception d'énergie d'un dispositif de réception d'énergie installé dans un véhicule se déplaçant sur la surface de route, et lequel dispositif de transmission d'énergie comprend : une unité de transmission d'énergie qui délivre de l'énergie sans contact à une unité de réception d'énergie ; et une partie de liaison de dalle de sol qui est connectée électriquement à un autre dispositif de transmission d'énergie installé le long de la surface de route, et qui reçoit de l'énergie à partir de l'autre dispositif de transmission d'énergie ou qui transmet de l'énergie à l'autre dispositif de transmission d'énergie.
PCT/JP2021/018835 2020-08-07 2021-05-18 Dispositif de transmission d'énergie, dalle de sol de route, et système de transmission d'énergie WO2022030068A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022541121A JP7416258B2 (ja) 2020-08-07 2021-05-18 送電装置、道路床版及び送電システム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-134941 2020-08-07
JP2020134941 2020-08-07

Publications (1)

Publication Number Publication Date
WO2022030068A1 true WO2022030068A1 (fr) 2022-02-10

Family

ID=80117854

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/018835 WO2022030068A1 (fr) 2020-08-07 2021-05-18 Dispositif de transmission d'énergie, dalle de sol de route, et système de transmission d'énergie

Country Status (2)

Country Link
JP (1) JP7416258B2 (fr)
WO (1) WO2022030068A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014236540A (ja) * 2013-05-31 2014-12-15 小島プレス工業株式会社 非接触充電用送電装置
JP2016116449A (ja) * 2009-11-13 2016-06-23 パナソニックＩｐマネジメント株式会社 車両用充給電システム
JP2019180233A (ja) * 2017-02-09 2019-10-17 パナソニックＩｐマネジメント株式会社 無線電力伝送システムにおける送電装置の制御方法、および送電装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011166992A (ja) 2010-02-12 2011-08-25 Toyota Motor Corp 給電装置
GB2491651A (en) 2011-06-10 2012-12-12 Bombardier Transp Gmbh System and Method for Transferring Electric Energy to a Vehicle Using Constant Current Operation of Segments of a Conductor Arrangement at resonance frequency
JP6358098B2 (ja) 2015-01-08 2018-07-18 Tdk株式会社 給電装置および非接触電力伝送装置
JP6530547B1 (ja) 2018-11-12 2019-06-12 株式会社ジーエスエレテック 移動体走行時の非接触給電システム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016116449A (ja) * 2009-11-13 2016-06-23 パナソニックＩｐマネジメント株式会社 車両用充給電システム
JP2014236540A (ja) * 2013-05-31 2014-12-15 小島プレス工業株式会社 非接触充電用送電装置
JP2019180233A (ja) * 2017-02-09 2019-10-17 パナソニックＩｐマネジメント株式会社 無線電力伝送システムにおける送電装置の制御方法、および送電装置

Also Published As

Publication number Publication date
JP7416258B2 (ja) 2024-01-17
JPWO2022030068A1 (fr) 2022-02-10

Similar Documents

Publication Publication Date Title
US20210151249A1 (en) Roadway powered electric vehicle system
US10668829B2 (en) Passive flux bridge for charging electric vehicles
US8833533B2 (en) Ultra slim power supply device and power acquisition device for electric vehicle
EP2643184B1 (fr) Transfert d'énergie électrique vers un véhicule par induction
EP2730005B1 (fr) Interopérabilité de structures magnétiques pour systèmes de transfert d'énergie par induction
US20080265684A1 (en) High power wireless resonant energy transfer system
US10984946B2 (en) Reducing magnetic flux density proximate to a wireless charging pad
KR102526872B1 (ko) 계자 권선을 이용하는 무선 전력 전송 방법과 이를 이용하는 차량 어셈블리 및 전기차
CA2880980C (fr) Ensemble dalle de pavage et procede de fabrication d'ensemble dalle de pavage
US20120186927A1 (en) Power Supply Device, Power Acquisition Device and Safety System for Electromagnetic Induction-Powered Electric Vehicle
CN100509467C (zh) 轨道引导的输送系统
KR101232036B1 (ko) 비접촉 전력전달 장치 및 자기유도 방식의 급전장치
CN107528389A (zh) 线圈对准方法和使用该方法的电动车辆无线电力传输装置
GB2521676A (en) System and method for powering an electric vehicle on a road
WO2013122703A1 (fr) Charge électrique sans fil à l'aide de convertisseurs de puissance haute fréquence à régulation de point de charge
JP2014236539A (ja) 非接触充電用送電装置及び電動車両の走行制御システム
WO2022030068A1 (fr) Dispositif de transmission d'énergie, dalle de sol de route, et système de transmission d'énergie
Boys et al. IPT fact sheet series: no. 2 magnetic circuits for powering electric vehicles
US20230122088A1 (en) Systems and methods for dynamic roadway charging
CN219056006U (zh) 一种电动汽车无线电能传输装置
KR20200084465A (ko) 주행차량의 무선충전 급전 시스템 및 그의 제어 방법
CN118003922A (zh) 一种电动汽车无线电能传输系统及其控制方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21854278

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2022541121

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21854278

Country of ref document: EP

Kind code of ref document: A1