WO2017134838A1 - Équipement de charge sans contact - Google Patents

Équipement de charge sans contact Download PDF

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Publication number
WO2017134838A1
WO2017134838A1 PCT/JP2016/059008 JP2016059008W WO2017134838A1 WO 2017134838 A1 WO2017134838 A1 WO 2017134838A1 JP 2016059008 W JP2016059008 W JP 2016059008W WO 2017134838 A1 WO2017134838 A1 WO 2017134838A1
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WO
WIPO (PCT)
Prior art keywords
charging
voltage
battery
current
control
Prior art date
Application number
PCT/JP2016/059008
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English (en)
Japanese (ja)
Inventor
啓一 本田
稔 吉谷
Original Assignee
株式会社ヘッズ
トライテック株式会社
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 株式会社ヘッズ, トライテック株式会社 filed Critical 株式会社ヘッズ
Priority to JP2017565384A priority Critical patent/JP6746622B2/ja
Publication of WO2017134838A1 publication Critical patent/WO2017134838A1/fr

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Classifications

    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • 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

  • the present invention is used for, for example, a non-contact charging facility (usually 0.5 kW or more of transmission power) that supplies power in a contactless manner to, for example, a transport cart (for example, AGV) or an automobile battery that moves on a factory or a general road. )
  • a non-contact charging facility usually 0.5 kW or more of transmission power
  • a transport cart for example, AGV
  • an automobile battery that moves on a factory or a general road.
  • a transport cart powered by a battery in a factory or the like needs to be charged regularly, and the transport cart is stopped using a connection cord by stopping the transport cart near a charger placed at a predetermined place. And the charger was connected, and the battery was being charged.
  • a connection cord it is extremely troublesome to connect the connection cord to a power supply source. For example, as shown in Patent Documents 1 to 3, electric power can be supplied to the transport carriage without contact. Supply is done.
  • Patent Document 4 when a resonance circuit is incorporated on the primary coil side or the secondary coil side, there is a problem that a large current flows in the resonance circuit and heat is generated. Therefore, as shown in Patent Document 4, a non-contact power supply apparatus is proposed in which the resonance current of the secondary coil is controlled by using a switching element, and the secondary resonance current is kept constant and heat generation in the secondary circuit is suppressed. Has been.
  • a current control unit is provided on the secondary side, a device for controlling the current to be constant is required for the transport carriage including all the secondary side devices, which is not economically preferable.
  • the primary device may operate regardless of the state of the secondary device, and wasteful power may be consumed.
  • the present invention has been made in view of such circumstances, and an object of the present invention is to provide a non-contact charging facility that measures battery voltage and current on the secondary side and accurately controls charging current and charging voltage on the primary side.
  • a non-contact charging facility that meets the above object is provided in a fixed state on a side wall, a floor portion, or a ceiling portion of a structure, and includes a power supply device having a primary coil that receives power supply from a high-frequency power source including an inverter, an automobile, or A power receiving device having a secondary coil and a resonance coil that are electromagnetically coupled to the primary coil, and that is provided in a transport carriage and arranged to be laterally movable with a gap with respect to the power feeding device.
  • a non-contact charging facility for charging a battery connected to the power receiving device from 1) First and second optical communication units that are connected to the control unit (A) of the power feeding device and the control unit (B) of the power receiving device, respectively, and are arranged to face each other and exchange optical signals; 2) Provided in the control unit (B), the charging voltage of the battery measured by the voltage measuring means, the charging current of the battery measured by the current measuring means, and the power receiving device measured by the thermometer (for example, a resonance coil) ) And an optical signal processing means for converting the signals of the operating temperature and sending them to the second optical communication unit, 3) Provided in the control unit (A), receives the signal from the first optical communication unit, detects the charging voltage and the charging current, performs PWM control of the inverter that oscillates at a fixed frequency, When the charging voltage is lower than a specified voltage, a constant current control to the battery is performed, and when the charging voltage becomes the specified voltage, a charging control means for performing a constant voltage control to the battery; 4)
  • a second protective means for stopping the operation of the inverter 6) provided in the control unit (A), and stops the operation of the inverter after the constant voltage control to the battery is completed.
  • the third protection means is 1) after constant current (charge) control, when constant voltage (charge) control is performed until the charge current becomes a predetermined current or less to stop the operation of the inverter. 2) When the operation of the inverter is stopped after a certain time has elapsed after the completion of the constant voltage (charge) control, 3) after the constant current (charge) control, the timer counts with a timer to perform the constant voltage (charge) control. In some cases, the operation of the inverter is stopped by counting up.
  • the optical signal processing means converts data measured by the voltage measuring means, the current measuring means, and the thermometer into digital signals, and the converted digital data is further converted into a serial signal. And is transmitted as an optical signal from the second optical communication unit, received by the first optical communication unit, demodulated by the charge control means, and the inverter by the charge control means It is preferable to perform the PWM control.
  • the power receiving device includes a secondary E core made of a ferrite core, the secondary coil wound around a central magnetic pole portion of the secondary E core, and the resonance coil.
  • a resonance capacitor is connected to the resonance coil
  • the power feeding device includes a primary core made of a ferrite core having a plate-like portion and a rod-like portion that protrudes from the center of the plate-like portion, and the rod-like portion. It is preferable to have the primary coil wound around.
  • first and second wireless communication units using radio waves and ultrasonic waves as media may be used instead of the first and second optical communication units described above.
  • the optical signal described above is a radio signal using radio waves and ultrasonic waves as a medium
  • the optical signal means is a radio signal means using radio waves and ultrasonic waves as a medium (that is, read).
  • the charging voltage and charging current of the battery which are provided in the control unit (B) and measured by the voltage measuring means and the current measuring means, and the operating temperature of the power receiving device measured by the thermometer Radio signal processing means for converting the signal and sending it to the second radio communication unit, and provided in the control unit (A), receiving the signal from the first radio communication unit, detecting the charging voltage and the charging current, PWM control of the inverter that oscillates at a fixed frequency is performed.
  • the charging voltage is lower than the specified voltage
  • constant current control to the battery is performed.
  • the charging voltage reaches the specified voltage constant voltage control to the battery is performed. Since it has the charge control means to perform, the output of the inverter can be controlled while looking at the voltage and current on the secondary side.
  • the non-contact charging equipment according to the present invention is provided in the control unit (A) and stops the operation of the inverter when the operating temperature exceeds a predetermined temperature value in response to a signal from the first wireless communication unit. Therefore, the charging operation can be stopped by sensing the temperature abnormality on the power receiving side.
  • the non-contact charging equipment which concerns on this invention is provided in a control part (A), and when a charging current exceeds the maximum current value by the signal from a 1st radio
  • the non-contact charging facility according to the present invention is provided in the control unit (A), and is provided with third protection means for stopping the operation of the inverter after confirming the completion of the constant voltage control to the battery. Therefore, it is possible to prevent overcharging of the battery and to notify the power feeding device, the power receiving device or the outside of the completion of charging. In this case, it is preferable to activate a lamp or a buzzer.
  • the wireless signal processing means converts the data measured by the voltage measuring means, the current measuring means and the thermometer into digital signals, and further converts the converted digital data into serial signals.
  • the signal processing is simplified, There are few malfunctions.
  • the first and second are connected to the control unit (A) of the power feeding device and the control unit (B) of the power receiving device, respectively, and are arranged opposite to each other to exchange optical signals.
  • light including ultraviolet rays, visible rays, infrared rays, and far infrared rays
  • the power supply device and the power reception device are connected to each other with less interference compared to radio waves. it can.
  • the power receiving device includes a secondary side E core made of a ferrite core and a secondary coil and a resonance coil wound around the central magnetic pole portion of the secondary side E core, A resonance capacitor is connected to the coil, and the power supply device is a ferrite core primary side core having a plate-like portion and a rod-like portion that protrudes from the center of the plate-like portion, and a primary coil wound around the rod-like portion , The magnetic coupling between the primary coil and the secondary coil becomes stronger, and the power transmission efficiency increases. Furthermore, even if the orientation of the secondary E core in the longitudinal direction changes in plan view, power can be supplied with the same transmission efficiency as long as other conditions are the same.
  • the non-contact charging facility 10 As shown in FIGS. 1 and 2, the non-contact charging facility 10 according to an embodiment of the present invention is provided in a fixed state on the side wall, floor, or ceiling of the structure, and is supplied with power from a high-frequency power source including an inverter 11.
  • Power receiving device 13 having primary coil 12 receiving power
  • power receiving device 16 having a secondary coil 14 and a resonance coil 15 that are provided in an automobile or a carriage that can move laterally with respect to power feeding device 13 and that are electromagnetically coupled to primary coil 12.
  • the power receiving device 16 When the power is fed, the power receiving device 16 is arranged so as to be laterally movable with a gap with respect to the power feeding device 13, and the secondary coil 14 directly above (or directly below, directly beside) the primary coil 12 of the power feeding device 13 and In a state where the resonance coil 15 is disposed, the battery 17 connected to the power receiving device 16 is charged from the power feeding device 13.
  • the laterally movable gap refers to a space in which the secondary coil 14 and the resonance coil 15 can freely move laterally with respect to the primary coil 12 arranged in a fixed state.
  • the non-contact charging facility 10 is connected to the control unit (A) 19 of the power supply device 13 and the control unit (B) 20 of the power receiving device 16 and is disposed so as to face and receive optical signals (an example of a radio signal).
  • the first and second optical communication units (an example of the first and second wireless communication units) 21 and 22 are provided.
  • each of the first and second optical communication units 21 and 22 includes a light emitting unit (for example, an LED) and a light receiving unit (for example, a photodiode) (not shown), and receives an optical signal (A) from the power feeding device 13.
  • An optical signal (B) is sent from the power receiving device 16 to the power supply device 13 to the device 16.
  • the control unit (B) 20 includes a charging voltage and a charging current of the battery 17 measured by the voltage measuring unit 23 and the current measuring unit 24, and an operating temperature of the power receiving device 16 (particularly, the resonance coil 15) measured by the thermometer 25. And an optical signal processing means (an example of a wireless signal processing means) 26 that converts the signal to be sent to the second optical communication unit 22 is provided.
  • the control unit (A) 19 receives a signal from the first optical communication unit 21, detects the included charging voltage and charging current signals, performs PWM control of the inverter 11 that oscillates at a fixed frequency, When the charging voltage is lower than the specified voltage (Vc, see FIG. 5), the constant current control to the battery 17 is performed, and when the charging voltage becomes the specified voltage (Vc), the constant voltage control to the battery 17 is performed.
  • Charge control means 28 is provided.
  • the specified voltage is usually preferably about 1.1 to 1.15 times the rated voltage of the battery, but the present invention is not limited to this number.
  • the optical signal processing means 26 converts the data measured by the voltage measuring means 23, the current measuring means 24 and the thermometer 25 from an analog signal to a digital signal, and further converts the converted digital data into a serial signal.
  • the optical signal is transmitted from the second optical communication unit 22, the optical signal is received by the first optical communication unit 21, demodulated by the charge control unit 28, and voltage, current, and temperature signals are received by the charge control unit 28.
  • PWM control of the inverter (high frequency power supply) 11 is performed using the voltage and current.
  • the power source of the inverter 11 is obtained by converting a commercial power source (for example, three-phase alternating current) 30 into direct current by a rectifier circuit 31.
  • control unit (A) 19 receives the signal from the first optical communication unit 21 and operates the inverter 11 via the charge control means 28 when the operating temperature exceeds a predetermined temperature value (Tc). It has the 1st protection means 33 to stop.
  • the control unit (A) 19 when the charging current exceeds the maximum current value (Imax) or the charging voltage exceeds the maximum voltage value (Vmax) by the signal from the first optical communication unit 21 In this case, second protection means 34 for stopping the operation of the inverter 11 via the charge control means 28 is provided.
  • the charging current is less than the minimum current value (Imin), or when the charging voltage is less than the minimum voltage value (Vmin), an alarm can be issued from the charging control means 28.
  • a third protection means 35 is provided.
  • This third protection means 35 has a lamp output, and has an electric wave, an ultrasonic wave, a radio signal by light, or a contact signal, and is an automatic transport vehicle that is an example of a transport carriage having the power receiving device 16. (AGV) or the completion of charging of the automobile can be detected and started.
  • a resonance capacitor 37 is connected to the resonance coil 15, and the output of the secondary coil 15 is connected to a battery 17 as a load via a rectifier 39.
  • 2 is used for experiments, a three-phase AC voltmeter 40 and ammeter 41 on the primary side, and a high-frequency voltmeter 42 that measures the output voltage and output current of the inverter 11, respectively. And a high-frequency ammeter 43.
  • the power receiving device 16 is provided with a DC voltmeter 44 that measures the charging voltage of the battery 17 and a DC ammeter 45 that measures the charging current of the battery 17.
  • R is a circuit resistance
  • L is the inductance of the resonance coil
  • C is the capacitance of the resonance capacitor
  • f is the frequency.
  • the resonance frequency of the resonance circuit is preferably larger than the oscillation frequency of the inverter 11, but can be reduced.
  • the primary core 46 around which the primary coil 12 is wound includes a flat part (an example of a plate-like part) 47 having a circular shape or a rounded corner part, and a flat surface as shown in FIG. 4. It has a columnar (radius r) upright magnetic pole part (an example of a rod-like part) 48 in the center of the part 47, and is made of a ferrite core.
  • the upright magnetic pole portion 48 has a cross-sectional area in which the magnetic flux of the primary coil 12 is not saturated, and the thickness g of the flat portion 47 is 0.5r to r so as not to be magnetically saturated.
  • a litz wire is used for the primary coil 12 and is wound around the upright magnetic pole portion 48 by about 10 to 30 turns.
  • the upright magnetic pole portion 48 and the flat surface portion 47 are preferably integrated with no joint, but may be formed of a divided structure and bonded with an adhesive or the like. In this case, an adhesive containing magnetic powder is preferably used.
  • a secondary E core 49 using the ferrite core material shown in FIGS. 3 and 4 is used for the power receiving device 16, and the secondary coil 14 and the resonance coil 15 are wound around the central magnetic pole portion 50 of the E core 49. .
  • the resonance coil 15 is wound about 10 to 50 turns, for example, and the secondary coil 14 is about 5 to 20 turns, for example.
  • the cross-sectional area of the E core 49 is also sufficiently large so as not to be magnetically saturated by the current flowing through the secondary coil 14 and the resonance coil 15.
  • the maximum diameter d of the planar portion 47 of the primary side core 46 is, for example, one time the maximum diameter in plan view of the secondary side core, that is, the E core 49 and the maximum diameter in plan view of the secondary coil 14 and the resonance coil 15. Exceeding 1.6 times and not more than 1.6 times, the magnetic coupling degree between the primary core 46 and the E core 49 is increased, and the leakage magnetic flux escaping to the back side of the primary core 46 is reduced. Further, since the E core 49 is used so as to be covered with the flat portion 47 of the primary side core 46 on the secondary side, the E core 49 and the primary side core 46 are approximately aligned with each other by substantially aligning the E core 49 with the E axis 49. Regardless of the planar orientation of the core 49, efficient non-contact power feeding from the primary side to the secondary side is possible.
  • 51 is a cover material that is made of a non-magnetic material and an insulator and covers the entire primary coil 12.
  • the power feeding device 13 is disposed at a predetermined position, and a transport carriage (for example, AGV) having the power receiving device 16 is disposed at a predetermined position.
  • the power feeding device 13 is arranged on the ceiling, side wall, or floor of the structure, and the power receiving device 16 has a slight gap in the power feeding device 13 so that the power feeding device 13 moves laterally with respect to the power receiving device 16. It is preferable that they are arranged so as to face each other.
  • the charging voltage and charging current of the battery 17 are measured by the voltage measuring unit 23 and the current measuring unit 24, and the light from the second optical communication unit 22 is output via the optical signal processing unit 26 together with the output of the thermometer 25. It is emitted to the outside as a signal.
  • the emitted optical signal is received by the first optical communication unit 21 and demodulated into a signal of current, voltage, and temperature by the charging control means 28.
  • constant current control CC region
  • CV region constant voltage control
  • the specified voltage is preferably set to a high range within a little range (for example, 5 to 15%) of the rated voltage (Vs) of the battery 17.
  • a charging completion signal is sent from the power receiving device 16 to the power feeding device 13 using optical communication, and charging is performed.
  • the work is complete.
  • the charging control may be completed by operating the timer (that is, by the timer control) to perform the constant voltage (charging) control.
  • the power feeding device 13 is stopped and an alarm (lamp, bell, other signal) is issued.
  • the ferrite core is used as the magnetic material, but other materials can be used as long as the material has good high frequency characteristics and low iron loss.
  • the present invention is not limited to the above-described embodiments, and the present invention is also applied to an improvement or a component added to the extent that the gist of the present invention is not changed.
  • light is used as the signal medium means, but it is also applicable to radio waves and ultrasonic waves.
  • the non-contact charging facility detects the voltage, current, and temperature states on the power receiving side, and wirelessly communicates them to the power feeding side to control the voltage and current on the power receiving side. It can be simplified and lightened, resulting in energy savings.
  • Non-contact charging equipment 11: Inverter, 12: Primary coil, 13: Power feeding device, 14: Secondary coil, 15: Resonant coil, 16: Power receiving device, 17: Battery, 19: Control unit (A), 20 Control unit (B), 21: first optical communication unit, 22: second optical communication unit, 23: voltage measurement unit, 24: current measurement unit, 25: thermometer, 26: optical signal processing unit, 28 : Charging control means, 30: commercial power supply, 31: rectifier circuit, 33: first protection means, 34: second protection means, 35: third protection means, 37: capacitor, 39: rectifier, 40: voltage 41: ammeter, 42: high frequency voltmeter, 43: high frequency ammeter, 44: direct current voltmeter, 45: direct current ammeter, 46: primary core, 47: plane portion, 48: upright magnetic pole portion, 49: E Core, 50: central magnetic pole part, 51: cover material

Abstract

La présente invention est pourvue : d'un dispositif d'alimentation électrique 13 qui comprend un onduleur 11 et qui comporte une bobine primaire 12 qui reçoit l'énergie provenant d'une alimentation électrique haute-fréquence ; et d'un dispositif de réception d'énergie 16 qui est située dans une automobile ou un support de transport, qui est disposé de manière à pouvoir se déplacer latéralement par rapport au dispositif d'alimentation électrique 13 avec un espace interposé entre ceux-ci, et qui comporte une bobine résonante 15 et une seconde bobine 14 électromagnétiquement couplée à la bobine primaire 12, l'état de charge d'une batterie 17 étant transmise au dispositif d'alimentation 13 par le biais d'une communication sans fil de telle sorte que la charge à tension constante et la charge à courant constant de la batterie 17 sont effectuées, et un état anormal du dispositif de réception d'énergie 16 est également détecté de telle sorte qu'une protection de dispositif est effectuée.
PCT/JP2016/059008 2016-02-03 2016-03-22 Équipement de charge sans contact WO2017134838A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2017565384A JP6746622B2 (ja) 2016-02-03 2016-03-22 非接触充電設備

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016019045A JP2019054560A (ja) 2016-02-03 2016-02-03 非接触充電設備
JP2016-019045 2016-02-03

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WO2017134838A1 true WO2017134838A1 (fr) 2017-08-10

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JP2019103390A (ja) * 2017-12-06 2019-06-24 長崎県 電力の非接触式給電装置
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JP7331647B2 (ja) * 2019-11-11 2023-08-23 日油株式会社 無線起爆システム及び無線起爆システムの設置方法

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