WO2017149600A1 - 無線電力伝送装置 - Google Patents

無線電力伝送装置 Download PDF

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Publication number
WO2017149600A1
WO2017149600A1 PCT/JP2016/056052 JP2016056052W WO2017149600A1 WO 2017149600 A1 WO2017149600 A1 WO 2017149600A1 JP 2016056052 W JP2016056052 W JP 2016056052W WO 2017149600 A1 WO2017149600 A1 WO 2017149600A1
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WO
WIPO (PCT)
Prior art keywords
antenna
transmission
receiving
wireless power
antennas
Prior art date
Application number
PCT/JP2016/056052
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English (en)
French (fr)
Japanese (ja)
Inventor
阿久澤　好幸
有基 伊藤
Original Assignee
三菱電機エンジニアリング株式会社
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 三菱電機エンジニアリング株式会社 filed Critical 三菱電機エンジニアリング株式会社
Priority to PCT/JP2016/056052 priority Critical patent/WO2017149600A1/ja
Priority to JP2017516981A priority patent/JP6293370B2/ja
Priority to TW105120490A priority patent/TW201731195A/zh
Publication of WO2017149600A1 publication Critical patent/WO2017149600A1/ja

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    • 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
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices

Definitions

  • the present invention relates to a wireless power transmission apparatus in which a transmission antenna is provided in a fixed part, and a reception antenna is provided in a moving body that moves while facing the fixed part.
  • wireless power transmission device that supplies power to a moving body such as an electric vehicle, an elevator, or other transport machines
  • a moving body such as an electric vehicle, an elevator, or other transport machines
  • Patent Document 1 a wireless power transmission device that supplies power to a moving body such as an electric vehicle, an elevator, or other transport machines
  • power is transmitted between a power receiving unit provided in an elevator, which is a moving body moving on a track, and a power transmitting unit provided in a fixed unit on the track.
  • a tail cord is not required, and the entire system can be reduced in size and weight.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a wireless power transmission apparatus that can continuously receive power while a moving body is moving.
  • a wireless power transmission device includes a plurality of transmission antennas provided in a fixed part, one or more reception antennas provided in a moving body that faces the fixed part, and power to the transmission antenna.
  • a transmission power source for supplying power, and a power transmission method between the transmission antenna and the reception antenna is a method based on magnetic resonance or a method based on electromagnetic induction.
  • the transmission antennas are arranged so as to be able to face each other with a predetermined ratio area or more overlapping, and the transmission power supply supplies power to the transmission antennas where any one of the reception antennas overlaps the predetermined ratio area or more.
  • the moving body since it is configured as described above, the moving body can always receive power while stopped or moving.
  • FIG. 1 is an equivalent circuit diagram of a wireless power transmission device according to a first embodiment of the present invention.
  • 3A to 3C are diagrams for explaining the difference in power transmission efficiency depending on the degree of overlap between the transmitting antenna and the receiving antenna.
  • It is a schematic diagram which shows the structural example of the wireless power transmission apparatus which concerns on Embodiment 2 of this invention.
  • FIG. 7 is an equivalent circuit diagram of the configuration shown in FIG. 6.
  • FIG. 4 shows the structural example of the wireless power transmission apparatus which concerns on Embodiment 4 of this invention.
  • FIGS. 13A and 13B are diagrams showing a hardware configuration example of the control unit of the transmission power supply in the first to seventh embodiments of the present invention.
  • FIG. 1 is a schematic diagram showing a configuration example of a wireless power transmission device according to Embodiment 1 of the present invention
  • FIG. 2 is an equivalent circuit diagram of the wireless power transmission device.
  • the wireless power transmission apparatus includes a transmission power source 1, a transmitter 2, a receiver 3, and a reception circuit 4.
  • the transmission power source 1 and the transmitter 2 constitute a transmission device 5, and the receiver 3 and the reception circuit 4 constitute a reception device 6.
  • illustration of a part of the configuration of the wireless power transmission device is omitted for simplification.
  • the transmission power supply 1 supplies single frequency AC power, and one or more transmission power supplies are provided.
  • a transmission power source 1 is provided for each transmitter 2, and suffixes (-1, -2,...) Are attached to the codes of the respective systems.
  • the transmission power source 1 has a function (control unit) for switching on / off of power supply to the transmission antenna 21.
  • the transmission power source 1 changes the resonance condition of the transmitter 2 by switching on / off of the switch 22 provided in the transmitter 2 and switches on / off of the power supply to the transmission antenna 21. Details of the operation of the transmission power supply 1 will be described later.
  • the transmitter 2 is a device that wirelessly transmits the power supplied from the transmission power source 1 to the receiver 3, and a plurality of transmitters 2 are provided.
  • suffixes ( ⁇ 1, ⁇ 2,...) are added to the codes of the respective systems.
  • the transmitter 2 shown in FIGS. 1 and 2 includes resonance capacitors C11 and C12, a transmission antenna (transmission coil) 21, and a switch 22.
  • the resonance capacitors C11 and C12 adjust the resonance condition of the transmission antenna 21.
  • one end of the resonance capacitor C ⁇ b> 11 is connected to one terminal of the pair of output terminals of the transmission power source 1 via the switch 22.
  • the transmitting antenna 21 has one end connected to the other end of the resonance capacitor C11 and the other end connected to the other end of the resonance capacitor C12. Details of the transmission antenna 21 will be described later.
  • semiconductor switches such as a relay and FET (Field Effect Transistor), are mentioned.
  • the receiver 3 receives power from the transmitter 2 and is provided with one or more. 1 and 2, two receivers 3 are provided, and suffixes (-1, -2) are added to the codes of the respective systems.
  • the receiver 3 shown in FIGS. 1 and 2 has a receiving antenna (receiving coil) 31 and resonance capacitors C21 and C22.
  • the resonance capacitors C21 and C22 adjust the resonance conditions of the reception antenna 31.
  • one end of the receiving antenna 31 is connected to one end of the resonance capacitor C21, and the other end is connected to one end of the resonance capacitor C22. Details of the receiving antenna 31 will be described later.
  • the power transmission method between the transmitting antenna 21 and the receiving antenna 31 is either a magnetic field resonance method or an electromagnetic induction method.
  • the receiving circuit 4 is connected to the receiver 3. In this receiving circuit 4, for each receiver 3, one of the pair of input terminals is connected to the other end of the resonance capacitor C21, and the other terminal is connected to the other end of the resonance capacitor C22. .
  • the receiving circuit 4 illustrated in FIG. 2 includes a rectifier circuit 41, a combining unit 42 having a diode D21, and a load 43. In FIG. 2, two rectifier circuits 41 and two diodes D21 are provided, and suffixes (-1, -2) are added to the codes of the respective systems.
  • the rectifier circuit 41 rectifies the power received by the corresponding receiver 3.
  • the combiner 42 combines the power rectified by the rectifier circuit 41.
  • the diode D21 has an anode connected to the output terminal of the corresponding rectifier circuit 41 and a cathode connected to the input terminal of the load 43.
  • the transmission antenna 21 has a helical (spiral) or spiral coil wound in an elliptical or rectangular shape.
  • the transmission antenna 21 shows a case where the major axis direction is arranged at regular intervals along the moving direction of the moving body 102 on a fixed portion 101 such as a road surface.
  • each transmission antenna 21 may operate with an in-phase alternating current between adjacent transmitting antennas 21, or may operate with an anti-phase alternating current.
  • the receiving antenna 31 has a helical (spiral) or spiral coil wound in an elliptical or rectangular shape.
  • a case where two receiving antennas 31 are provided in the moving body 102 and the major axis direction of the receiving antenna 31 is arranged along the moving direction of the moving body 102 is shown.
  • Each receiving antenna 31 may operate with an in-phase alternating current between adjacent receiving antennas 31 or may operate with an anti-phase alternating current.
  • the transmitting antenna 21 and the receiving antenna 31 are always arranged so that any one of the receiving antennas 31 overlaps with any one of the transmitting antennas 21 over a predetermined ratio area (for example, an area of 3/4 or more).
  • the transmission power supply 1 supplies power to the transmission antenna 21 in which any one of the reception antennas 31 overlaps the predetermined ratio area or more.
  • the power supply ON / OFF determination in the transmission power source 1 may be determined by, for example, detecting the moving body 102 using an object detection sensor, or performing communication between the transmission device 5 and the reception device 6. It may be determined by performing, or when the operation of the moving body 102 is known, the power supply timing may be set in advance.
  • the transmitting antenna 21-1 is opposed to the receiving antenna 31-1 so as to overlap with a predetermined ratio area or more (here, an area of three quarters or more). Therefore, the transmission power supply 1-1 supplies power to the transmission antenna 21-1.
  • the transmitting antennas 21-2 and 21-3 have an area overlapping with the receiving antenna 31-2 less than a predetermined ratio. Therefore, the transmission power sources 1-2 and 1-3 do not supply power to the transmission antennas 21-2 and 21-3.
  • the transmission power supply 1-1 stops supplying power to the transmission antenna 21-1, and the transmission power supply 1-3 supplies power to the transmission antenna 21-3.
  • FIG. 3 shows experimental values that explain the difference in power transmission efficiency depending on the degree of overlap between the transmitting antenna 21 and the receiving antenna 31. As shown in FIG. 3, highly efficient power transmission can be realized in a state where the transmitting antenna 21 and the receiving antenna 31 are opposed to each other with more than three quarters.
  • FIG. 2 shows a case where a transmission power source 1 is provided for each transmission antenna 21.
  • the present invention is not limited to this, and one transmission power source 1 may be provided for a plurality of transmission antennas 21.
  • the transmission power source 1 is configured to be able to individually switch the power supply to each transmission antenna 21 on and off.
  • FIG. 1 shows a case where the transmission antenna 21 and the reception antenna 31 are the same size.
  • the present invention is not limited to this, and the receiving antenna 31 may be configured to have a larger diameter than the transmitting antenna 21, and the receiving antenna 31 may be configured to be easily overlapped with the transmitting antenna 21.
  • the reception antenna 31 is always arranged so that any one of the reception antennas 31 can be opposed to the transmission antenna 21 with a predetermined ratio area or more, and the transmission power supply 1 is configured so that any one of the reception antennas 31 has a predetermined ratio area. Since power is supplied to the overlapping transmission antennas 21 as described above, it is possible to always supply power while the moving body 102 is moving.
  • the moving body 102 can be reduced in size, weight, and cost as compared with the conventional configuration.
  • the transmission antenna 21 and the reception antenna 31 perform power transmission by magnetic resonance or electromagnetic induction, the size of the transmission antenna 21 and the reception antenna 31 is less affected by transmission power and transmission distance, and can be reduced in size and weight. Is possible.
  • the transmitting antenna 21 and the receiving antenna 31 are configured in an elliptical shape or a rectangular shape. In this way, by forming the transmitting antenna 21 and the receiving antenna 31 in a long and narrow coil shape, lines different in current direction by 180 ° are close to each other in the individual antennas 21 and 31, and the magnetic flux direction is narrow in a narrow region inside the loop surface. However, since the magnetic flux cancels out of the loop surface, the magnetic field is hardly radiated around the antennas 21 and 31. Therefore, generation
  • FIG. FIG. 4 is a schematic diagram showing a configuration example of a wireless power transmission device according to Embodiment 2 of the present invention.
  • the wireless power transmission apparatus according to the second embodiment shown in FIG. 4 is different from the wireless power transmission apparatus according to the first embodiment shown in FIGS. 7 and an outer casing portion 72 of the receiving device 6 made of material.
  • Other configurations are the same, and the same reference numerals are given and description thereof is omitted.
  • the metal body 7 is located around the transmitting antenna 21 and the receiving antenna 31 that transmit power, and is disposed at a distance of 1/10 or more of the minimum outer diameter of the transmitting antenna 21 and the receiving antenna 31.
  • examples of the metal body 7 include copper and aluminum.
  • the minimum outer diameter is the minimum value of the outer diameter in the minor axis direction of the transmitting antenna 21 and the receiving antenna 31 configured in an elliptical shape or a rectangular shape.
  • the metal body 7 does not need to cover the circumference
  • the metal body 7 is provided on the guide rail portions 71 provided on both sides of the transmission antenna 21 on the fixed portion 101 and the outer casing portion 72 of the receiving device 6.
  • electromagnetic field radiation to the space can be reduced.
  • FIG. 4 shows the case where only the metal body 7 is provided
  • a magnetic body may be further provided.
  • the magnetic body is located around the transmitting antenna 21 and the receiving antenna 31 that transmit power, and is disposed at least one tenth of the minimum outer diameter of the transmitting antenna 21 and the receiving antenna 31.
  • examples of the magnetic material include a member having a high real part of magnetic permeability and a low imaginary part such as ferrite or amorphous.
  • the reason why the metal body 7 is separated from the transmitting antenna 21 and the receiving antenna 31 by more than one tenth of the minimum outer diameter of the transmitting antenna 21 and the receiving antenna 31 is that the metal body 7 is separated from the transmitting antenna 21 and the receiving antenna 31. This is because if the distance is too close to the antenna 31, the interference between the transmission antenna 21 and the reception antenna 31 and the metal body 7 becomes strong and a loss occurs. The same applies to the magnetic material.
  • FIG. 5 is a schematic diagram showing a configuration example of a wireless power transmission apparatus according to Embodiment 3 of the present invention
  • FIG. 6 is an equivalent circuit diagram of the configuration shown in FIG.
  • the wireless power transmission device according to the third embodiment shown in FIG. 5 is similar to the wireless power transmission device according to the first embodiment shown in FIGS. 1 and 2, with dielectrics 8 a and 8 b, transmission-side electrodes 23 and 24, and reception side Electrodes 32 and 33 are added. Other configurations are the same, and the same reference numerals are given and description thereof is omitted. In FIG. 5, only one transmitting antenna 21 and one receiving antenna 31 are shown.
  • Dielectrics 8a and 8b are provided in a set of two in pairs in the fixing portion 101.
  • the dielectrics 8 a and 8 b show a case where the longitudinal direction is arranged at regular intervals along the moving direction of the moving body 102. Further, the dielectric constants of the dielectrics 8a and 8b can be arbitrarily set.
  • the transmission-side electrode 23 is provided on the fixed portion 101, is opposed to one surface of the corresponding set of dielectrics 8 a, and is connected to one end of the corresponding transmission antenna 21.
  • the transmission-side electrode 24 is provided on the fixed portion 101, is disposed to face one surface of the corresponding set of dielectrics 8b, and is connected to the other end of the corresponding transmission antenna 21.
  • the reception-side electrode 32 is provided on the moving body 102, can face the other surface of each set of dielectric bodies 8 a, and is connected to one end of the corresponding reception antenna 31.
  • the reception-side electrode 33 is provided on the moving body 102, can face the other surface of each set of dielectric bodies 8 b, and is connected to the other end of the corresponding reception antenna 31. In the configuration shown in FIG. 5, the reception-side electrodes 32 and 33 move on the dielectrics 8 a and 8 b as the moving body 102 moves.
  • the moving body 102 moves, whereby the capacitance between the transmission side electrode 23 and the reception side electrode 32 and the capacitance between the transmission side electrode 24 and the reception side electrode 33 are obtained.
  • FIG. 7 is a schematic diagram showing a configuration example of a wireless power transmission apparatus according to Embodiment 4 of the present invention
  • FIG. 8 is an equivalent circuit diagram of the configuration shown in FIG.
  • the wireless power transmission device according to the fourth embodiment shown in FIG. 7 is obtained by adding a dielectric 9 and receiving-side electrodes 34 to 36 to the wireless power transmission device according to the first embodiment shown in FIGS. is there.
  • Other configurations are the same, and the same reference numerals are given and description thereof is omitted.
  • FIG. 6 only one receiving antenna 31 is illustrated, and illustration of the transmitting device 5 side is omitted.
  • a plurality of dielectrics 9 are provided in the fixed portion 101.
  • the dielectric 9 shows a case where the longitudinal direction is arranged at regular intervals along the moving direction of the moving body 102.
  • the dielectric constant can be arbitrarily set for each of the dielectrics 9.
  • the reception-side electrode 34 is provided on the fixed portion 101 and is disposed to face each other across one surface of each dielectric 9.
  • the reception-side electrode 35 is provided on the moving body 102 and can be opposed to the other surface of the dielectric 9.
  • One side of the corresponding reception antenna 31 one end of the reception antenna 31 or one of the pair of input terminals of the reception circuit 4).
  • One of the terminals). 7 and 8 show a case where the reception side electrode 35 is connected to one end of the reception antenna 31.
  • the reception-side electrode 36 is provided on the moving body 102 and can face the other surface of the dielectric 9.
  • the other end of the corresponding reception antenna 31 (the other end of the reception antenna 31 or a pair of input terminals of the reception circuit 4).
  • To the other terminal). 7 and 8 show a case where the reception-side electrode 36 is connected to the other end of the reception antenna 31.
  • the reception-side electrodes 35 and 36 move on the dielectric 9 as the moving body 102 moves.
  • the capacitance between the reception side electrodes 34 to 36 can be changed by moving the moving body 102. Therefore, in addition to the effects in the first embodiment, the resonance condition of the receiving antenna 31 can be adjusted, and the coupling between the antennas 21 and 31 can be improved, or the coupling between the other antennas 21 and 31 can be degraded. it can.
  • FIG. 9 is a schematic diagram showing a configuration example of a wireless power transmission apparatus according to Embodiment 5 of the present invention.
  • the wireless power transmission apparatus according to the fifth embodiment shown in FIG. 9 is obtained by changing the arrangement of the transmitting antenna 21 and the receiving antenna 31 with respect to the wireless power transmission apparatus according to the first embodiment shown in FIGS. is there.
  • Other configurations are the same, and the same reference numerals are given and description thereof is omitted.
  • the fixed unit 101 includes two lanes 103 arranged in parallel, and suffixes ( ⁇ 1, ⁇ 2) are added to the codes of the respective systems.
  • a plurality of transmission antennas 21 are arranged for each lane 103.
  • the transmission antennas 21 of each lane 103 are arranged with a certain interval.
  • FIG. 9 shows a case where the transmission antennas 21 of the respective lanes 103 are arranged so as to be shifted by a half of the outer diameter of the transmission antenna 21 in the major axis direction.
  • a plurality of receiving antennas 31 are provided, and are arranged so as to face the transmitting antenna 21 for each lane 103.
  • the mobile body 102 is provided with two receiving antennas 31. Even with the configuration shown in FIG. 9, the same effect as in the first embodiment can be obtained.
  • FIG. 9 the case where two lanes 103 are provided is shown.
  • the present invention is not limited to this.
  • the number of lanes may be further increased as shown in FIG.
  • FIG. 10 shows a case where the transmission antennas 21 of the respective lanes 103 are arranged so as to be shifted by one third of the outer diameter of the transmission antenna 21 in the major axis direction.
  • the present invention is not limited to this, and the receiving antennas 31 arranged so as to face the transmitting antennas 21 of the respective lanes 103 may be shifted by a predetermined interval.
  • the present invention is not limited to this, and the configuration of the fifth embodiment can be applied to other wireless power transmission apparatuses as shown in FIGS.
  • FIG. 11 is a schematic diagram showing a configuration example of a wireless power transmission apparatus according to Embodiment 6 of the present invention.
  • the wireless power transmission apparatus according to the sixth embodiment shown in FIG. 11 is different from the wireless power transmission apparatus according to the first embodiment shown in FIGS. It is one.
  • Other configurations are the same, and the same reference numerals are given and description thereof is omitted.
  • the transmitting antenna 21 and the receiving antenna 31 are indicated by ellipses for easy understanding of the drawing.
  • the transmission antenna 21 according to the sixth embodiment one-half of each other is arranged along the arrangement direction. As a result, even if there is only one receiving antenna 31, while the moving body 102 is moving, it overlaps with any one of the transmitting antennas 21 at least three-quarters regardless of the position of the receiving antenna 31. Therefore, even with the configuration shown in FIG. 11, the same effects as those of the first embodiment can be obtained, and high-efficiency power transmission can be achieved.
  • FIG. FIG. 12 is a schematic diagram showing a configuration example of the wireless power transmission apparatus according to the seventh embodiment of the present invention.
  • the wireless power transmission apparatus according to the seventh embodiment shown in FIG. 12 is obtained by changing the arrangement of the transmission antenna 21 with respect to the wireless power transmission apparatus according to the first embodiment shown in FIGS.
  • Other configurations are the same, and the same reference numerals are given and description thereof is omitted.
  • the fixed unit 101 includes a lane 104 having one or more branches and merges.
  • a lane 104 is provided that branches into two lanes along the way.
  • a plurality of transmission antennas are arranged along the lane 104.
  • the present invention is not limited to this, and the configuration of the seventh embodiment can be applied to other wireless power transmission apparatuses as shown in FIGS.
  • the function in the control unit of the transmission power supply 1 is realized by the processing circuit 501.
  • a CPU Central Processing Unit, a central processing unit, a processing unit, an arithmetic unit, a microprocessor, which executes a program stored in the memory 503,
  • a microcomputer, a processor, and a DSP (Digital Signal Processor) 502 may also be used.
  • the processing circuit 501 When the processing circuit 501 is dedicated hardware, the processing circuit 501 includes, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), and an FPGA (Field Programmable Gate). Array) or a combination thereof.
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate
  • the processing circuit 501 When the processing circuit 501 is the CPU 52, the function of the control unit is realized by software, firmware, or a combination of software and firmware.
  • Software and firmware are described as programs and stored in the memory 503.
  • the processing circuit 501 realizes the function of the control unit by reading and executing the program stored in the memory 503. That is, the transmission power source includes a memory 503 for storing a program that, when executed by the processing circuit 501, results in the function of the control unit being executed as a result.
  • these programs are what makes a computer perform the procedure and method of a control part.
  • the memory 503 is a nonvolatile or volatile semiconductor memory such as a RAM (Random Access Memory), a ROM (Read Only Memory), a flash memory, an EPROM (Erasable Programmable ROM), an EEPROM (Electrically EPROM), or the like. And a magnetic disk, a flexible disk, an optical disk, a compact disk, a mini disk, a DVD (Digital Versatile Disc), and the like.
  • RAM Random Access Memory
  • ROM Read Only Memory
  • flash memory an EPROM (Erasable Programmable ROM), an EEPROM (Electrically EPROM), or the like.
  • a magnetic disk a flexible disk, an optical disk, a compact disk, a mini disk, a DVD (Digital Versatile Disc), and the like.
  • the processing circuit 501 can realize the above-described functions by hardware, software, firmware, or a combination thereof.
  • the wireless power transmission device can always supply power while the mobile body is moving, the transmission antenna is provided in the fixed portion, and the reception antenna is provided in the mobile body that moves while facing the fixed portion. It is suitable for use in wireless power transmission devices.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Near-Field Transmission Systems (AREA)
PCT/JP2016/056052 2016-02-29 2016-02-29 無線電力伝送装置 WO2017149600A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2016/056052 WO2017149600A1 (ja) 2016-02-29 2016-02-29 無線電力伝送装置
JP2017516981A JP6293370B2 (ja) 2016-02-29 2016-02-29 無線電力伝送装置
TW105120490A TW201731195A (zh) 2016-02-29 2016-06-29 無線電力傳輸裝置

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Application Number Priority Date Filing Date Title
PCT/JP2016/056052 WO2017149600A1 (ja) 2016-02-29 2016-02-29 無線電力伝送装置

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020040030A1 (ja) * 2018-08-24 2020-02-27 横浜ゴム株式会社 空気入りタイヤ、空気入りタイヤ組み立て体、及び給電システム
JP2021052473A (ja) * 2019-09-24 2021-04-01 東芝テック株式会社 カート給電装置およびカート給電システム
JP2021065014A (ja) * 2019-10-11 2021-04-22 キヤノン株式会社 無線電力伝送システム及び機械装置
US20220190647A1 (en) * 2019-03-29 2022-06-16 Panasonic Intellectual Property Management Co., Ltd. Power transmitting device and wireless power transmission system
JP7205677B1 (ja) * 2021-07-21 2023-01-17 三菱電機株式会社 ワイヤレス給電システム
WO2023286264A1 (ja) * 2021-07-16 2023-01-19 三菱電機株式会社 非接触給電装置、非接触給電システム、エレベーター、およびリニア搬送装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013252011A (ja) * 2012-06-01 2013-12-12 Panasonic Corp 非接触給電装置、及び非接触給電システム
JP2014053984A (ja) * 2012-09-05 2014-03-20 Showa Aircraft Ind Co Ltd 移動給電式の非接触給電装置
JP2015211538A (ja) * 2014-04-25 2015-11-24 パナソニックＩｐマネジメント株式会社 非接触給電装置の機器検知方法及び非接触給電装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5641891B2 (ja) * 2009-11-13 2014-12-17 パナソニック株式会社 車両用充給電システム
JP5844662B2 (ja) * 2012-03-07 2016-01-20 日立マクセル株式会社 非接触電力伝送システム及び非接触電力伝送方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013252011A (ja) * 2012-06-01 2013-12-12 Panasonic Corp 非接触給電装置、及び非接触給電システム
JP2014053984A (ja) * 2012-09-05 2014-03-20 Showa Aircraft Ind Co Ltd 移動給電式の非接触給電装置
JP2015211538A (ja) * 2014-04-25 2015-11-24 パナソニックＩｐマネジメント株式会社 非接触給電装置の機器検知方法及び非接触給電装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020040030A1 (ja) * 2018-08-24 2020-02-27 横浜ゴム株式会社 空気入りタイヤ、空気入りタイヤ組み立て体、及び給電システム
JP2020029235A (ja) * 2018-08-24 2020-02-27 横浜ゴム株式会社 空気入りタイヤ、空気入りタイヤ組み立て体、及び給電システム
US11890899B2 (en) 2018-08-24 2024-02-06 The Yokohama Rubber Co., Ltd. Pneumatic tire, pneumatic tire assembly, and power supply system
US20220190647A1 (en) * 2019-03-29 2022-06-16 Panasonic Intellectual Property Management Co., Ltd. Power transmitting device and wireless power transmission system
JP2021052473A (ja) * 2019-09-24 2021-04-01 東芝テック株式会社 カート給電装置およびカート給電システム
JP2021065014A (ja) * 2019-10-11 2021-04-22 キヤノン株式会社 無線電力伝送システム及び機械装置
JP7451133B2 (ja) 2019-10-11 2024-03-18 キヤノン株式会社 無線電力伝送システム及び機械装置
WO2023286264A1 (ja) * 2021-07-16 2023-01-19 三菱電機株式会社 非接触給電装置、非接触給電システム、エレベーター、およびリニア搬送装置
JP7205677B1 (ja) * 2021-07-21 2023-01-17 三菱電機株式会社 ワイヤレス給電システム
WO2023002613A1 (ja) * 2021-07-21 2023-01-26 三菱電機株式会社 ワイヤレス給電システム

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