WO2013153841A1 - Système de transmission d'énergie sans contact - Google Patents

Système de transmission d'énergie sans contact Download PDF

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Publication number
WO2013153841A1
WO2013153841A1 PCT/JP2013/052634 JP2013052634W WO2013153841A1 WO 2013153841 A1 WO2013153841 A1 WO 2013153841A1 JP 2013052634 W JP2013052634 W JP 2013052634W WO 2013153841 A1 WO2013153841 A1 WO 2013153841A1
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WIPO (PCT)
Prior art keywords
electrode
power transmission
main surface
power
power receiving
Prior art date
Application number
PCT/JP2013/052634
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English (en)
Japanese (ja)
Inventor
博紀 酒井
Original Assignee
株式会社 村田製作所
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.)
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Publication date
Application filed by 株式会社 村田製作所 filed Critical 株式会社 村田製作所
Priority to CN201390000248.7U priority Critical patent/CN204145084U/zh
Priority to JP2014510064A priority patent/JP5794444B2/ja
Publication of WO2013153841A1 publication Critical patent/WO2013153841A1/fr

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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
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
    • 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
    • H02J50/05—Circuit arrangements or systems for wireless supply or distribution of electric power using capacitive 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
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment

Definitions

  • the present invention relates to a contactless power transmission system, and more particularly to a contactless power transmission system that transmits electric power from a power transmission device to a power reception device using an electric field.
  • the power feeding device has two power feeding electrodes respectively connected to one end and the other end of the resonance unit.
  • the AC signal generated in the resonance part is applied to the two power supply electrodes and radiated to the outside as a potential difference in the electrostatic field.
  • the power receiving device includes 16 power receiving electrodes that sense a potential difference radiated from the power feeding device, and a selection determination unit that classifies these power receiving electrodes into a first set and a second set.
  • the electric signal output from the power receiving electrode belonging to the first set is applied to one end of the resonance part
  • the electric signal output from the power receiving electrode belonging to the second set is applied to the other end of the resonance part
  • the resonance The output of the unit is supplied to the load through the rectifying unit.
  • the feeding electrode is much larger than the receiving electrode, the capacity of the receiving electrode on the side belonging to the second set having the opposite polarity to that of the first feeding electrode is increased. May decrease.
  • a main object of the present invention is to provide a non-contact power transmission system that can avoid a decrease in power transmission efficiency.
  • a non-contact power transmission system includes a first power transmission electrode (AC1) that is provided along a first main surface of a first housing (CB1: reference numeral corresponding to the embodiment; the same applies hereinafter) to which an AC voltage is applied.
  • E1 and a power transmission device (10) including a second power transmission electrode (E2), and an electric field coupling with the first power transmission electrode and the second power transmission electrode provided along the second main surface of the second housing (CB2).
  • the electrode is divided into a plurality of partial electrodes (E1_1 to E1_6) by the notch, and the arrangement of the notch is in a specific state. Part of the second power receiving electrode is adjusted so as to face the notch Te.
  • the notch is formed so that a plurality of partial electrodes (E1_1 to E1_6) are arranged in the first direction.
  • each of the plurality of partial electrodes forms a strip extending in the second direction orthogonal to the first direction, and the maximum distance between two points assigned to the outline of the first power receiving electrode is the width of the notch and the length of the strip. It exceeds the distance corresponding to the sum of the width.
  • the main surface of the second power receiving electrode has a rectangular shape
  • the second power transmitting electrode has a rectangular opening for accommodating the first power transmitting electrode
  • the length of the short side of the rectangle forming the main surface of the second power receiving electrode is It is larger than the length of the short side of the rectangle forming the opening.
  • the main surface of the second power receiving electrode has a size covering the main surface of the first power receiving electrode, and the first power receiving electrode is stacked on the second power receiving electrode toward the outside of the second housing.
  • the second main surface has a size covered by the first main surface, and the specific state is a positional relationship in which the second main surface is within the outer edge of the first main surface when viewed from a direction orthogonal to the second main surface.
  • selection means for selecting any one of the plurality of partial electrodes as an AC voltage application destination
  • control means (16) for controlling the operation of the selection means with reference to impedance characteristics.
  • the AC voltage is changed to the first power transmitting electrode, the second power transmitting electrode, the first power receiving electrode, and the second power receiving The power is transmitted from the power transmission device to the power reception device via the electrode.
  • each of the first power transmission electrode and the first power reception electrode has the first power reception electrode viewed from the direction orthogonal to the second main surface in a specific state in which the second main surface is opposed to the first main surface.
  • the size fits within the outer edge of the power transmission electrode. Accordingly, when the relative position of the power receiving device is changed along the first main surface, the amount of change in the coupling capacitance between the first power transmission electrode and the first power receiving electrode is suppressed compared to the amount of change in the relative position. .
  • the first power transmission electrode is divided into a plurality of partial electrodes by the notch, and the arrangement of the notch is adjusted so that a part of the second power receiving electrode faces the notch in a specific state.
  • capacitance of a 2nd receiving electrode and a 1st power transmission electrode is suppressed.
  • a decrease in power transmission efficiency is avoided.
  • FIG. 1 It is a perspective view which shows an example of the external appearance of the power transmission apparatus applied to the non-contact electric power transmission system of this Example. It is a perspective view which shows an example of the external appearance of the power receiving apparatus applied to the non-contact electric power transmission system of this Example.
  • (A) is an illustration figure which shows an example of an electrode raw material
  • (B) is an illustration figure which shows an example of the power transmission side active electrode produced by forming a notch in an electrode raw material.
  • (A) is an illustration figure which shows another example of an electrode raw material
  • (B) is an illustration figure which shows an example of the power transmission side passive electrode produced by forming opening in an electrode raw material. It is an illustration figure which shows an example of a receiving side active electrode and a receiving side passive electrode.
  • FIG. 1 It is an illustration figure which shows an example of the difference in size between a power transmission apparatus and a power receiving apparatus.
  • A is an illustration figure which shows an example of the positional relationship of a power transmission apparatus and a power receiving apparatus
  • (B) is an illustration figure which shows another example of the positional relationship of a power transmission apparatus and a power receiving apparatus.
  • A) is an illustration figure which shows the other example of the positional relationship of a power transmission apparatus and a power receiving apparatus
  • (B) is an illustration figure which shows another example of the positional relationship of a power transmission apparatus and a power receiving apparatus.
  • (A) is an illustrative view showing another example of the positional relationship between the power transmitting device and the power receiving device
  • (B) is an illustrative view showing another example of the positional relationship between the power transmitting device and the power receiving device.
  • (A) is an illustrative view showing another example of the power transmission side active electrode
  • (B) is an illustrative view showing another example of the power transmission side active electrode. It is an illustration figure which shows an example of the power transmission apparatus and power receiving apparatus which are applied to another Example. It is a block diagram which shows a part of structure of the power transmission apparatus applied to another Example.
  • the contactless power transmission system of this embodiment is formed by the power transmission device 10 shown in FIG. 1 and the power reception device 30 shown in FIG.
  • the power transmission device 10 has a plate-like casing CB1 provided with a power transmission side active electrode E1 and a power transmission side passive electrode E2, and the power reception device 30 is a plate provided with a power reception side active electrode E3 and a power reception side passive electrode E4.
  • the housing CB2 has a shape. More specifically, the power transmission side active electrode E1 and the power transmission side passive electrode E2 are provided along the upper surface of the housing CB1, and the power reception side active electrode E3 and the power reception side passive electrode E4 are provided along the upper surface of the housing CB2.
  • the power transmission side active electrode E1 is formed by six partial electrodes E1_1 to E1_6.
  • the power transmission side active electrode E1 is produced based on the electrode material EM1 shown in FIG.
  • the electrode material EM1 has a rectangular main surface with long sides and short sides extending in the X direction and the Y direction, respectively, and is formed in a plate shape.
  • the thickness of the electrode material EM1 is much smaller than the thickness of the housing CB1.
  • notches CT1 to CT5 each having a width corresponding to “W1” and extending in the Y direction are formed as shown in FIG.
  • the notches CT1 to CT5 are formed at the same distance in the X direction.
  • strip-shaped partial electrodes E1_1 to E1_6 having a common size are obtained.
  • Each main surface of the partial electrodes E1_1 to E1_6 has a short side extending in the X direction and a long side extending in the Y direction. The length of the short side corresponds to “X1”, while the length of the long side is Corresponds to “Y1”.
  • the power transmission side passive electrode E2 is produced based on the electrode material EM2 shown in FIG.
  • the electrode material EM2 has a rectangular main surface with long sides and short sides extending in the X direction and the Y direction, respectively, and is formed in a plate shape.
  • the thickness of the electrode material EM2 is also much smaller than the thickness of the housing CB1.
  • the length of the long side corresponds to “X2a”, while the length of the short side corresponds to “Y2a”.
  • the size of the main surface of the electrode material EM2 matches the size of the upper surface of the housing CB1.
  • the long side and the short side of the rectangle forming the opening OP1 extend in the X direction and the Y direction, the length of the long side corresponds to “X2b”, and the length of the short side corresponds to “Y2b”.
  • the length of the short side of the rectangle forming the opening OP1 is larger than the length of the short side of the rectangle forming the main surface of the electrode member EM1, and the length of the long side of the rectangle forming the opening OP1 is the length of the electrode member EM1. It is larger than the length of the long side of the rectangle forming the main surface.
  • the power transmission side active electrode E1 is provided at the center of the upper surface of the casing CB1.
  • the power transmission side passive electrode E2 is provided on the upper surface of the housing CB1 so that the outer edge of the upper surface of the housing CB1 coincides with the outer edge of the main surface of the power transmission side passive electrode E2. Since the sizes of the power transmission side active electrode E1 and the power transmission side passive electrode E2 are as described above, the power transmission side active electrode E1 is accommodated in the opening OP1 provided in the power transmission side passive electrode E2.
  • the power receiving side active electrode E3 is formed in a plate shape having a square main surface with each side extending in the X direction or the Y direction.
  • the length of each side corresponds to “X3” or “Y3”.
  • the power receiving side passive electrode E4 has a rectangular main surface with a short side and a long side extending in the X direction and the Y direction, respectively, and is formed in a plate shape.
  • the length of the short side corresponds to “X4”
  • the length of the long side corresponds to “Y4”
  • both the short side and the long side have the length of each square forming the power receiving side active electrode E3. It is larger than the side length.
  • the size of the main surface of the power receiving side passive electrode E4 matches the size of the upper surface of the housing CB2, and the power receiving side passive electrode E4 has the outer edge of the upper surface of the housing CB2 aligned with the outer edge of the main surface of the power transmitting side passive electrode E2.
  • the power receiving-side active electrode E3 is stacked on the power receiving-side passive electrode E4 (that is, toward the outside of the housing CB2) at a certain distance corresponding to the center position of the upper surface of the housing CB2.
  • the power transmission device 10 and the power reception device 30 have the size relationship shown in FIG. Indicates.
  • FIG. As can be seen from (B), the upper surface of the housing CB2 has a size covered by the upper surface of the housing CB1.
  • the sizes of the power transmission side active electrode E1 and the power reception side active electrode E3 are determined based on the power receiving side active when viewed from the direction orthogonal to each upper surface in a specific state where the upper surface of the housing CB1 is opposed to the upper surface of the housing CB2.
  • the electrode E3 is adjusted so as to be within the outer edge or contour of the power transmission side active electrode E1 (the outer edge or contour is defined by a broken line in FIG. 6).
  • a part of the power receiving side passive electrode E4 faces a part of the notches CT1 to CT5.
  • the specific state is premised on a positional relationship in which the top surface of the housing CB2 is within the outer edge or contour of the top surface of the housing CB1 when viewed from a direction orthogonal to the top surface of the housing CB2.
  • the maximum distance between the two points assigned to the contour of the power receiving side active electrode E3 is the width W1 of each of the cutouts CT1 to CT5 and the length X1 of the short side that forms the main surface of each of the partial electrodes E1_1 to E1_6. It exceeds the distance equivalent to the sum of Further, the length X4 of the rectangular short side forming the main surface of the power receiving side passive electrode E4 is larger than the length Yb2 of the rectangular short side forming the opening OP1 provided in the power transmitting side passive electrode E2.
  • power transmission device 10 includes a DC power supply 12.
  • the DC power supply 12 applies a DC voltage to the input terminal of the switch SW1 connected to either one of the terminals T1 and T2.
  • the terminal T1 is directly connected to the inverter 18, and the terminal T2 is connected to the inverter 18 via the resistor R1. Therefore, when the switch SW1 is connected to the terminal T1, a DC voltage is supplied to the inverter 18, and when the switch SW1 is connected to the terminal T2, the voltage dropped by the resistor R1 is supplied to the inverter 18.
  • the inverter 18 is turned on during a period when the PWM signal output from the PWM generation circuit 14 is at the H level, and is turned off during a period when the PWM signal output from the PWM generation circuit 14 is at the L level. Inverter 18 is also connected to primary winding Np1 among primary winding Np1 and secondary winding Ns1 forming transformer 20.
  • the inverter 18 when the inverter 18 is turned on / off as described above, an AC voltage is excited in the secondary winding Ns1.
  • the number of turns of the secondary winding Ns1 is larger than the number of turns of the primary winding Np1, and the AC voltage appearing in the secondary winding Ns1 is higher than the AC voltage appearing in the primary winding Np1.
  • the frequency and height of the AC voltage appearing in each of the primary winding Np1 and the secondary winding Ns1 depend on the frequency and duty ratio of the PWM signal, respectively.
  • the one end of the secondary winding Ns1 is connected to the power transmission side active electrode E1 via the switch circuit SW2, and the other end of the secondary winding Ns1 is directly connected to the power transmission side passive electrode E2.
  • the switch circuit SW2 is formed by switches SW2_1 to SW2_6 that are assigned to the partial electrodes E1_1 to E1_6 and are selectively turned on. Therefore, the AC voltage excited in the secondary winding Ns1 is applied to any one of the partial electrodes E1_1 to E1_6 and the power transmission side passive electrode E2.
  • the excited AC voltage is excited by the electric field coupling in the power receiving side active electrode E3 and the passive side power receiving electrode E4.
  • the excited AC voltage has a frequency corresponding to the frequency of the AC voltage applied to the power transmission side active electrode E1 and the power transmission side passive electrode E2 and a height depending on the electric field coupling degree.
  • the alternating voltage thus excited is supplied to the load 34 via the primary winding Np2 and the secondary winding Ns2 forming the transformer 32.
  • the number of turns of the secondary winding Ns2 is smaller than the number of turns of the primary winding Np2, and the AC voltage supplied to the load 34 is higher than the AC voltage excited by the power receiving side active electrode E3 and the passive side power receiving electrode E4. Indicates a low value.
  • the CPU 16 provided in the power transmission device 10 adjusts the setting of the switch SW2 and the frequency of the PWM signal in the following manner when starting the power supply to the power receiving device 30 that is electric field coupled.
  • CPU 16 first connects the connection destination of switch SW1 to terminal T2, and initializes the frequency and duty ratio of the PWM signal.
  • the PWM generation circuit 14 supplies a PWM signal having an initial frequency and a duty ratio to the inverter 18. As a result, an AC voltage having a height and frequency depending on the duty ratio and frequency is excited in the secondary winding Ns1 of the transformer 20.
  • the CPU 16 sets the variable K to “1” to “6”, and turns on only the switch SW2_K among the switches SW2_1 to SW2_6.
  • the frequency of the PWM signal is swept, and in parallel with this, the impedance characteristic on the transformer 20 side of the inverter 18 is measured. In the measurement, the voltage at the input terminal of the inverter 18 is referred to.
  • the connection state of the switch SW2 and the frequency of the PWM signal corresponding to the maximum value when the impedance value indicates an impedance characteristic that falls within the predetermined range are searched.
  • the switch SW2 is set to the detected connection state, and the frequency of the PWM signal is set to the detected frequency.
  • the switch SW1 is connected to the terminal T1. Thereby, power supply to the power receiving device 30 is started.
  • the CPU 16 executes processing according to the flowcharts shown in FIGS.
  • a control program corresponding to this flowchart is stored in the flash memory 16m.
  • step S1 switch SW1 is connected to terminal T2, and in step S3, the frequency and duty ratio of the PWM signal are initialized.
  • the PWM generation circuit 14 supplies a PWM signal having a set frequency and duty ratio to the inverter 18.
  • step S5 the variable K is set to “1”, and in step S7, only the switch SW2_K among the switches SW2_1 to SW2_6 is turned on.
  • step S9 the frequency of the PWM signal is swept, and in parallel with this, the impedance characteristic on the transformer 20 side of the inverter 18 is measured. In the measurement, the voltage at the input terminal of the inverter 18 is referred to.
  • step S11 the impedance maximum value is searched with reference to the measured impedance characteristic.
  • step S13 it is determined whether or not the maximum value has been detected. If the determination result is NO, the process proceeds to step S17, and if the determination result is YES, the process proceeds to step S15. In step S15, it is determined whether or not the detected maximum value belongs to the predetermined range. If the determination result is NO, the process proceeds to step S17, and if the determination result is YES, the process proceeds to step S25.
  • step S17 the variable K is incremented, and in step S19, it is determined whether or not the current value of the variable K exceeds “6”. If a determination result is NO, it will return to step S7 as it is. On the other hand, if the determination result is YES, it waits for a predetermined time in step S21, sets the variable K to “1” in step S23, and then returns to step S7.
  • step S25 the frequency at which the impedance has a maximum value is set as the frequency of the PWM signal.
  • the switch SW1 is connected to the terminal T1 in step S27, and then the process ends.
  • the power transmission device 10 includes a power transmission side active electrode E1 and a power transmission side passive electrode E2 that are provided along the upper surface of the housing CB1 and to which an AC voltage is applied.
  • the power receiving device 30 includes a power receiving side active electrode E3 and a power receiving side passive electrode E4 that are provided along the upper surface of the housing CB2 and are electrically coupled to the power transmitting side active electrode E1 and the power transmitting side passive electrode E2.
  • each of the power transmitting side active electrode E1 and the power receiving side active electrode E3 is such that the upper surface of the housing CB1 faces the upper surface of the housing CB2 and is viewed from the direction orthogonal to each upper surface.
  • the side active electrode E3 is adjusted so as to be within the outer edge of the power transmission side active electrode E1.
  • the power transmission side active electrode E1 is divided into partial electrodes E1_1 to E1_6 by notches CT1 to CT5. It is adjusted so as to face a part of.
  • the power transmission side active electrode E1 and the power reception side active electrode E3 By adjusting the sizes of the power transmission side active electrode E1 and the power reception side active electrode E3 as described above, when the relative position of the power reception device 30 is changed in the direction along each upper surface, the power transmission side active electrode E1 and the power reception side active The fluctuation amount of the coupling capacitance with the electrode E3 is suppressed as compared with the fluctuation amount of the relative position.
  • the power transmission side active electrode E1 is divided into partial electrodes E1_1 to E1_6 by notches CT1 to CT5, and in a specific state, the power receiving side passive electrode E4 is partly cut away so as to face a part of the notches CT1 to CT5.
  • the coupling capacitance between the power receiving side passive electrode E4 and the power transmitting side active electrode E1 is suppressed.
  • a decrease in power transmission efficiency is avoided.
  • each of the partial electrodes E1_1 to E1_6 is formed in a rectangular shape.
  • the shape of each of the partial electrodes E1_1 to E1_6 is not limited to a rectangular shape, and FIG. You may make it employ
  • the power receiving side active electrode E3 is formed in a square shape, it may have a rectangular shape in which the lengths of the sides X3 and Y3 are different as long as the above relationship is satisfied.
  • one end of the secondary winding Ns1 is connected to one of the partial electrodes E1_1 to E1_6, and the other end of the secondary winding Ns1 is connected to the power transmission side passive electrode E2.
  • one end of the secondary winding Ns1 may be connected to one of the partial electrodes E1_1 to E1_6, and the other end of the secondary winding Ns1 may be connected to the other one of the partial electrodes E1_1 to E1_6.
  • the power transmission side passive electrode E2 is omitted from the casing CB1 as shown in FIG. 15, and the power transmission device 10 is configured as shown in FIG.
  • the switch circuit SW2 is formed by the switches SW2_11 to SW2_16.
  • the connection destination of each of the switches SW2_11 to SW2_13 is switched between one end of the secondary winding Ns1, the other end of the secondary winding Ns1, and the open end.
  • the connection destination of each of the switches SW2_14 to SW2_16 is switched between one end of the secondary winding Ns1, the other end of the secondary winding Ns1, and the ground. Further, the connection state of the switch circuit SW2 is controlled by the CPU 16.
  • one of the switches SW2_11 to SW2_16 is connected to one end of the secondary winding Ns, and the other one of the switches SW2_11 to SW2_16 is connected to the other end of the secondary winding Ns, and the remaining switches Is connected to the open end or ground.

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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)
  • Inverter Devices (AREA)

Abstract

Selon l'invention, un dispositif d'envoi d'énergie (10) comprend une électrode active côté envoi d'énergie (E1) et une électrode passive côté envoi d'énergie (E2) disposées le long d'une surface supérieure d'un boîtier (CB1). Un dispositif de réception d'énergie (30) comprend une électrode active côté réception d'énergie (E3) et une électrode passive côté réception d'énergie (E4) disposées le long d'une surface supérieure d'un boîtier (CB2). Ici, la taille de chacune de l'électrode active côté envoi d'énergie (E1) et de l'électrode active côté réception d'énergie (E3) est ajustée de manière que l'électrode active côté réception d'énergie (E3) soit logée dans le bord supérieur de l'électrode active côté envoi d'énergie (E1) en vue dans la direction perpendiculaire à chacune des surfaces supérieures dans un certain état dans lequel la surface supérieure du boîtier (CB1) est en regard de la surface supérieure du boîtier (CB2). Egalement, l'électrode active côté envoi d'énergie (E1) est divisée par des encoches (CT1 à CT5), et l'agencement des encoches (CT1 à CT5) est ajusté de manière qu'une partie de l'électrode passive côté réception d'énergie (E4) soit en regard d'une partie des encoches (CT1 à CT5) dans le certain état.
PCT/JP2013/052634 2012-04-13 2013-02-05 Système de transmission d'énergie sans contact WO2013153841A1 (fr)

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CN201390000248.7U CN204145084U (zh) 2012-04-13 2013-02-05 非接触电力传输系统
JP2014510064A JP5794444B2 (ja) 2012-04-13 2013-02-05 非接触電力伝送システム

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JP2012-091479 2012-04-13
JP2012091479 2012-04-13

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JP2017521030A (ja) * 2014-06-26 2017-07-27 エッグトロニック エス．アール．エル． 電力を伝送するための方法および装置
JP2019187158A (ja) * 2018-04-13 2019-10-24 スミダコーポレーション株式会社 非接触電力伝送システム、受電装置及び送電装置

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JP2012070574A (ja) * 2010-09-27 2012-04-05 Murata Mfg Co Ltd 電力伝送システム

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JP2010537613A (ja) * 2007-08-17 2010-12-02 Ｔｍｍｓ株式会社 電気双極子間の近接場における遠隔縦結合によって電気エネルギを伝達し、分配し、かつ管理するための方法および装置
WO2010150317A1 (fr) * 2009-06-25 2010-12-29 Murata Manufacturing Co., Ltd. Système de transfert d'énergie et dispositif de charge sans contact
WO2011093438A1 (fr) * 2010-01-29 2011-08-04 株式会社村田製作所 Dispositif de réception d'énergie électrique et dispositif d'émission d'énergie électrique
JP2012070574A (ja) * 2010-09-27 2012-04-05 Murata Mfg Co Ltd 電力伝送システム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017521030A (ja) * 2014-06-26 2017-07-27 エッグトロニック エス．アール．エル． 電力を伝送するための方法および装置
JP2019187158A (ja) * 2018-04-13 2019-10-24 スミダコーポレーション株式会社 非接触電力伝送システム、受電装置及び送電装置
JP7187810B2 (ja) 2018-04-13 2022-12-13 スミダコーポレーション株式会社 非接触電力伝送システム、受電装置及び送電装置

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