WO2017187610A1 - Dispositif de transmission d'énergie de type à résonance - Google Patents

Dispositif de transmission d'énergie de type à résonance Download PDF

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Publication number
WO2017187610A1
WO2017187610A1 PCT/JP2016/063400 JP2016063400W WO2017187610A1 WO 2017187610 A1 WO2017187610 A1 WO 2017187610A1 JP 2016063400 W JP2016063400 W JP 2016063400W WO 2017187610 A1 WO2017187610 A1 WO 2017187610A1
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WO
WIPO (PCT)
Prior art keywords
power
inverter circuit
transmission
frequency
coil
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PCT/JP2016/063400
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English (en)
Japanese (ja)
Inventor
阿久澤　好幸
裕志 松盛
Original Assignee
三菱電機エンジニアリング株式会社
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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 JP2017531793A priority Critical patent/JP6400207B2/ja
Priority to PCT/JP2016/063400 priority patent/WO2017187610A1/fr
Priority to TW105132874A priority patent/TW201739142A/zh
Publication of WO2017187610A1 publication Critical patent/WO2017187610A1/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
    • H02J50/10—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
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields

Definitions

  • the present invention relates to a resonant power transmission apparatus that transmits high-frequency power.
  • a power transmission device that reduces harmonic noise by controlling the duty ratio (duty) of a rectangular wave sent to a transmission antenna (see, for example, Patent Document 1).
  • this power transmission device after generating an AC voltage that is a rectangular wave in the power supply unit, the AC voltage is set to zero for a certain period of time in one cycle, whereby a stepped waveform (a waveform closer to a triangular wave than a normal rectangular wave) ) And supplied to the transmission coil. Thereby, the 3rd harmonic among the harmonics contained in a rectangular wave can be reduced.
  • the conventional configuration since the time ratio of the rectangular wave is controlled, there is a problem that the transmission power also changes due to the change in the time ratio.
  • the conventional configuration is effective when the AC voltage output from the power supply unit is a rectangular wave, but there is a problem that there is no reduction effect on harmonics when the AC voltage is a sine wave.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a resonance type power transmission apparatus capable of reducing harmonics without affecting the necessary transmission power.
  • the resonant power transmission device includes a first inverter circuit that outputs high-frequency power, a second inverter circuit that outputs high-frequency power having the same frequency as the harmonics included in the high-frequency power, A power control unit for controlling the magnitude of output power in the inverter circuit, and a transmission coil connected to the output terminal of the first inverter circuit, at the same frequency as the high-frequency power output by the first inverter circuit
  • a transmitting antenna that resonates, a high-frequency power that is connected to the output end of the second inverter circuit and that is disposed on the outer periphery or the inner periphery of the transmitting coil, and that is output by the second inverter circuit;
  • a suppression antenna that resonates at the same frequency, and the direction of the current flowing through the transmission coil is opposite to the direction of the current flowing through the suppression coil.
  • harmonics can be reduced without affecting the required transmission power.
  • FIG. 4A shows an example of an ideal rectangular wave
  • FIG. 4B shows a case where the duty ratio of the rectangular wave is adjusted.
  • 5A and 5B are diagrams showing another example of the effect obtained by the resonant power transmission device according to Embodiment 1 of the present invention, in which a diagram showing electromagnetic radiation from a normal transmission antenna, and a rectangular wave It is a figure which shows the case where a reverse phase electromagnetic wave is superimposed.
  • 6A and 6B are diagrams showing another configuration example of the transmission antenna and the suppression antenna according to Embodiment 1 of the present invention. It is a figure which shows another structural example of the transmitting antenna and suppression antenna in Embodiment 1 of this invention. It is a figure which shows another structural example of the resonance type power transmission apparatus which concerns on Embodiment 1 of this invention.
  • FIG. 1 is a diagram showing a configuration example of a resonant power transmission apparatus 1 according to Embodiment 1 of the present invention.
  • the resonant power transmission apparatus 1 includes a primary power source 101, an inverter circuit (first inverter circuit) 102, an inverter circuit (second inverter circuit) 103, a control unit 104, a transmission antenna 105, and a suppression.
  • An antenna 106 is provided.
  • Primary power supply 101 outputs power. Note that the power output from the primary power supply 101 may be either DC power or AC power.
  • the inverter circuit 102 converts the power from the primary power supply 101 into high frequency power and outputs it.
  • the inverter circuit 102 is a resonant switching type inverter circuit such as a class E inverter circuit.
  • the inverter circuit 103 converts the power from the primary power supply 101 into high frequency power having the same frequency (including substantially the same meaning) as the harmonics included in the high frequency power output from the inverter circuit 102, and outputs the high frequency power.
  • the inverter circuit 103 normally outputs high-frequency power having the same frequency as the lowest frequency of the harmonics to be reduced.
  • the inverter circuit 103 is a resonant switching type inverter circuit such as a class E inverter circuit.
  • the control unit 104 controls the inverter circuits 102 and 103.
  • the control unit 104 includes a power control unit 1041 and a phase control unit 1042, for example, as shown in FIG.
  • the power control unit 1041 controls the magnitude of output power in the inverter circuit 103. For example, since the harmonics to be reduced are sufficiently small compared to the fundamental wave, and the power ratio is roughly determined at the time of device configuration, the power control unit 1041 sets the magnitude of the output power in the inverter circuit 103 in advance.
  • the output power in the inverter circuit 102 is set to 1% or less.
  • phase control unit 1042 controls the relative phase between the inverter circuits 102 and 103. Specifically, phase control section 1042 sets the phase of the output power in inverter circuit 102 and the phase of the output power in inverter circuit 103 as opposite phases.
  • the transmission antenna 105 has a transmission coil 1051 connected to the output terminal of the inverter circuit 102, and resonates at the same frequency (including substantially the same meaning) as the high-frequency power output by the inverter circuit 102.
  • the power transmission method using the transmission antenna 105 is not particularly limited, and any of a magnetic field resonance method, an electric field resonance method, and an electromagnetic induction method may be used.
  • the suppression antenna 106 has a suppression coil 1061 connected to the output end of the inverter circuit 103 and disposed on the outer periphery or the inner periphery of the transmission coil 1051, and is the same as the high-frequency power output by the inverter circuit 103 (approximately) Resonates at a frequency (including the same meaning).
  • the transmission antenna 105 shown in FIG. 2 includes resonance capacitors 1052 and 1053 that adjust the resonance conditions of the transmission coil 1051.
  • the suppression antenna 106 shown in FIG. 2 in addition to the suppression coil 1061, resonance capacitors 1062 and 1063 that adjust the resonance conditions of the suppression coil 1061 are provided.
  • the suppression coil 1061 is arranged on the outer periphery with respect to the transmission coil 1051, and the winding direction is the same as the winding direction of the transmission coil 1051. Note that the distance between the transmission coil 1051 and the suppression coil 1061 can be arbitrarily set.
  • the direction of the current flowing through the transmission coil 1051 is opposite to the direction of the current flowing through the suppression coil 1061, and the harmonics radiated from the transmission antenna 105 are radiated from the suppression antenna 106. It can be reduced by canceling with electromagnetic waves.
  • the resonant power transmission device 1 when AC power is input to the transmission antenna, if the AC power is an ideal sine wave, the AC power does not include harmonics. However, in actuality, since AC power is distorted, harmonics are included in the AC power. Further, for example, when a resonance type power reception device is connected to the subsequent stage of the transmission antenna, a bridge rectifier circuit may be provided in the resonance type power reception device. This bridge rectifier circuit is made of a semiconductor material such as a silicon diode, and the semiconductor material has nonlinear characteristics. In this way, when a circuit made of a semiconductor material having nonlinear characteristics is connected to the subsequent stage of the transmission antenna, the sine wave output from the transmission antenna is converted into a rectangular waveform by the circuit, and a harmonic is generated. End up. Therefore, the resonant power transmission device 1 according to the first embodiment aims to reduce harmonics generated as described above.
  • the reference frequency f is doubled or tripled. Four times higher harmonics are electromagnetically radiated.
  • electric power that is the above-mentioned sinusoidal double wave is input to the suppression antenna 106 having a resonance frequency of 2f, a double wave antiphase electromagnetic wave is radiated.
  • FIG. 3B the harmonics of twice, four times, six times,... Of the reference frequency f are canceled and reduced.
  • Equation (1) ⁇ is the angular frequency of AC power.
  • Equation (1) an ideal rectangular wave is configured by adding odd-order harmonics.
  • FIG. 4B even-order harmonics can be included, and specific harmonics can be included or removed by controlling or distorting the time ratio of the rectangular wave. Therefore, harmonics can also be reduced by inputting a rectangular wave as described above to the suppression antenna 106.
  • a rectangular wave antiphase electromagnetic wave is radiated.
  • this rectangular wave includes slightly higher harmonics of 2 times and 4 times.
  • the harmonics of 3 times, 5 times, 7 times,... Of the reference frequency f are canceled and reduced, and the harmonics of 2 times and 4 times are slightly reduced.
  • the characteristic of the harmonic spectrum having a reduction effect is determined by the frequency component of the power input to the suppression antenna 106.
  • the transmission coil 1051 may have any number of turns, and the shape is not limited to the circular shape illustrated in FIG. 2, and may be any shape such as a square shape or a triangular shape.
  • the suppression coil 1061 may have any number of turns, and the shape is not limited to the circular shape illustrated in FIG. 2, and may be any shape such as a square shape or a triangular shape.
  • 2A shows a case where the number of turns of the suppression coil 1061 is 1
  • FIG. 2B shows a case where the number of turns of the suppression coil 1061 is 2.
  • Increasing the number of turns of the suppression coil 1061 can increase the electromagnetic field strength of harmonics that can be canceled with the same output.
  • the transmission coil 1051 is not limited to the short type shown in FIG. 2, but may be an open type shown in FIG. Further, the transmission coil 1051 is not limited to the spiral winding shown in FIG. 2, but may be a helical winding shown in FIG. Further, the resonance capacitors 1052 and 1053 shown in FIG. 2 are not essential components, and the transmission antenna 105 may be constituted by only the transmission coil 1051 as shown in FIG.
  • the suppression coil 1061 is not limited to the short type shown in FIGS. 2 and 6A, but may be an open type shown in FIG. 6B. Further, the suppression coil 1061 is not limited to the spiral winding shown in FIGS. 2 and 6A, but may be a helical winding shown in FIG. 6B. Further, the resonance capacitors 1062 and 1063 shown in FIG. 2 are not indispensable components, and the suppression antenna 106 may be configured by only the suppression coil 1061 as shown in FIG.
  • the suppression coil 1061 is disposed on the outer periphery with respect to the transmission coil 1051, but the suppression coil 1061 may be disposed on the inner periphery with respect to the transmission coil 1051, and the central axes of each other May be off.
  • the phase control unit 1042 causes the phase of the output power in the inverter circuit 102 and the phase of the output power in the inverter circuit 103 to be opposite phases, and the winding direction of the transmission coil 1051 and the suppression coil 1061 is the same direction. Showed the case. However, the present invention is not limited thereto, and the winding direction of the transmission coil 1051 and the suppression coil 1061 may be reversed as shown in FIG. In this case, the phase control unit 1042 becomes unnecessary.
  • the power control unit 1041 controls the magnitude of the output power in the inverter circuit 103 with a fixed value.
  • the power control unit 1041 may automatically control the magnitude of the output power.
  • an electromagnetic field strength detection unit 107 that detects the strength of the electromagnetic field radiated from the resonant power transmission device 1 is arranged near the output of the resonant power transmission device 1. To do. Then, the power control unit 1041 controls the magnitude of the output power based on the detection result by the electromagnetic field intensity detection unit 107 so that the intensity of the electromagnetic field radiated from the resonant power transmission device 1 is reduced. To do.
  • the inverter circuit 102 that outputs high-frequency power, the inverter circuit 103 that outputs high-frequency power having the same frequency as the harmonics included in the high-frequency power, and the inverter circuit 103 A transmission antenna having a power control unit 1041 for controlling the magnitude of output power in the transmission circuit and a transmission coil 1051 connected to the output terminal of the inverter circuit 102 and resonating at the same frequency as the high-frequency power output by the inverter circuit 102 105 and a suppression coil 1061 connected to the output end of the inverter circuit 103 and disposed on the outer periphery or the inner periphery of the transmission coil 1051, and resonates at the same frequency as the high-frequency power output by the inverter circuit 103.
  • a current flowing in the transmission coil 1051 with the suppression antenna 106 The direction of the current flowing through the suppression coil 1061 and since it is configured such that the reverse direction, without affected by the required transmission power can be reduced harmonics.
  • the resonant power transmission device 1 can reduce harmonics even when sinusoidal power is input to the transmission antenna 105. Further, in the resonant power transmission device 1, since even-order and odd-order harmonic components can be selected and reduced, according to the harmonic components generated from a circuit having nonlinear characteristics provided on the receiving side, Reduction measures can be taken. Further, in the conventional transmission apparatus, even when nothing is connected to the subsequent stage of the transmission antenna, harmonics are radiated when the transmission apparatus is in an active state. On the other hand, the resonant power transmission device 1 can reduce harmonics even in such a situation.
  • FIG. FIG. 9 is a diagram showing a configuration example of the resonant power transmission apparatus 1 according to the second embodiment of the present invention.
  • the inverter circuit 103 and the control unit 104 are removed from the resonant power transmission apparatus 1 according to the first embodiment shown in FIG. Is changed to the suppression antenna 106b.
  • Other configurations are the same, and the same reference numerals are given and description thereof is omitted.
  • the suppression antenna 106 b includes a suppression coil 1061 b that is connected in parallel to the transmission coil 1051 and disposed on the outer periphery or the inner periphery of the transmission coil 1051, and suppresses harmonics included in the high-frequency power output by the inverter circuit 102. Resonates at the based frequency.
  • the lowest frequency of the harmonics to be reduced is normally set as the reference frequency f, and the resonance frequency is shifted from the frequency f.
  • the electromagnetic field radiation level (radiated power) is adjusted according to the electromagnetic field intensity of a certain harmonic.
  • the suppression antenna 106b shown in FIG. 11 is provided with resonance capacitors 1062b and 1063b that adjust the resonance conditions of the suppression coil 1061b.
  • the suppression coil 1061 b is disposed on the outer periphery with respect to the transmission coil 1051. Further, the winding direction of the transmission coil 1051 and the winding direction of the suppression coil 1061b are opposite to each other. Note that the distance between the transmission coil 1051 and the suppression coil 1061b can be arbitrarily set.
  • the direction of the current flowing through the transmission coil 1051 is opposite to the direction of the current flowing through the suppression coil 1061b, and the harmonics radiated from the transmission antenna 105 are canceled by the electromagnetic waves radiated from the suppression antenna 106b. Can be reduced.
  • the reference frequency f when sinusoidal power having a reference frequency f is input to the transmission antenna 105 having a resonance frequency f, the reference frequency f is doubled, tripled, 4 times, as in FIGS. 3A and 5A. Double and so on harmonics are radiated electromagnetically.
  • the resonance frequency of the suppression antenna 106b is 2f, an antiphase electromagnetic wave of a second harmonic is radiated from the suppression antenna 106b.
  • harmonics of twice, four times, six times,... Of the reference frequency f are canceled and reduced. Note that the characteristics of the harmonic spectrum having a reduction effect are determined by the resonance frequency of the suppression antenna 106b.
  • the suppression coil 1061b may have any number of turns, and the shape is not limited to the circular shape illustrated in FIG. 11, but may be any shape such as a square shape or a triangular shape. Further, by increasing the number of turns of the suppression coil 1061b, it is possible to increase the electromagnetic field strength of the harmonics that can be canceled with the same output. Further, the suppression coil 1061b is not limited to the short type shown in FIG. 11, and may be an open type. Further, the suppression coil 1061b is not limited to the spiral winding shown in FIG. Further, the resonance capacitors 1062b and 1063b shown in FIG. 11 are not essential, and the suppression antenna 106b may be configured only from the suppression coil 1061b.
  • the suppression coil 1061b is disposed on the outer periphery with respect to the transmission coil 1051, but the suppression coil 1061b may be disposed on the inner periphery with respect to the transmission coil 1051, and the center axes of the suppression coils 1061b are shifted. It may be.
  • the resonance capacitors 1062b and 1063b are not limited to the fixed type shown in FIG. As a result, the resonant frequency can be finely adjusted after the resonant power transmission device 1 is manufactured.
  • the inverter circuit 102 that outputs high-frequency power and the transmission coil 1051 connected to the output terminal of the inverter circuit 102 have resonance at the same frequency as the high-frequency power.
  • Suppression having a transmission antenna 105 and a suppression coil 1061b connected in parallel to the transmission coil 1051 and disposed on the outer periphery or the inner periphery of the transmission coil 1051, and resonating at a frequency based on the harmonics included in the high-frequency power. Even if the antenna 106b is provided and the winding direction of the transmission coil 1051 and the winding direction of the suppression coil 1061b are opposite to each other, the same effect as in the first embodiment can be obtained.
  • the resonant power transmission apparatus 1 according to the second embodiment can be easily configured with respect to the resonant power transmission apparatus 1 according to the first embodiment.
  • the resonant power transmission device 1 according to Embodiment 2 is effective when applied to a system that uses low power.
  • FIG. 12 is a diagram illustrating a configuration example of the transmission antenna 105 and the suppression antenna 106 according to the third embodiment of the present invention.
  • the shape of the transmission coil 1051 in the first embodiment shown in FIG. 2 is changed.
  • Other configurations are the same, and the description thereof is omitted.
  • transmitter coil 1051 in the third embodiment has the outer winding direction opposite to the inner circumference.
  • the number of turns on the outer periphery may be any number as long as it is less than the inner periphery.
  • the inner circumference may be 10 turns and the outer circumference may be 3 turns.
  • the harmonic components can be reduced as a whole by the outer peripheral portion of the transmission coil 1051, as compared with the first embodiment. Further, the effect of reducing harmonics is further improved.
  • the present invention is not limited to this, and the shape of the transmission coil 1051 may be changed with respect to the other transmission antennas 105 shown in FIGS.
  • FIG. 13 is a diagram illustrating a configuration example of the resonant power transmission apparatus 1 according to the fourth embodiment of the present invention.
  • the suppression antenna 106 is removed from the resonant power transmission apparatus 1 according to the first embodiment shown in FIG. 1, and a power combining unit 108 is added.
  • the connection relationship of the transmission antenna 105 is changed.
  • Other configurations are the same, and the same reference numerals are given and description thereof is omitted.
  • the power combiner 108 combines the high frequency power output from the inverter circuit 102 and the high frequency power output from the inverter circuit 103 and outputs the result.
  • the transmission antenna 105 is connected to the output terminal of the power combiner 108 and resonates at the same frequency (including substantially the same meaning) as the frequency of the high frequency power output from the inverter circuit 102.
  • the transmission antenna 105 in the fourth embodiment is the same as the transmission antenna 105 in the first embodiment except for the connection relationship.
  • the power control unit 1041 controls the magnitude of the output power in the inverter circuit 103 with a fixed value.
  • the power control unit 1041 may automatically control the magnitude of the output power.
  • an electromagnetic field strength detection unit 107 that detects the strength of the electromagnetic field radiated from the resonant power transmission device 1 is disposed near the output of the resonant power transmission device 1. To do. Then, the power control unit 1041 controls the magnitude of the output power based on the detection result by the electromagnetic field intensity detection unit 107 so that the intensity of the electromagnetic field radiated from the resonant power transmission device 1 is reduced. To do.
  • the inverter circuit 102 that outputs high-frequency power
  • the inverter circuit 103 that outputs high-frequency power having the same frequency as the harmonics included in the high-frequency power
  • the inverter circuit 103 Output from the inverter circuit 102, the power control unit 1041 that controls the magnitude of the output power in the inverter circuit 102, the phase control unit 1042 that reverses the phase of the output power in the inverter circuit 102 and the phase of the output power in the inverter circuit 103, and A power combiner 108 that combines and outputs the high-frequency power and the high-frequency power output from the inverter circuit 103, and is connected to the output terminal of the power combiner 108 and resonates at the same frequency as the high-frequency power output from the inverter circuit 102 Even if a transmission antenna 105 is provided, the same as in the first embodiment It is possible to obtain the results.
  • FIG. 15 is a diagram showing a configuration example of a resonant power transmission system according to Embodiment 5 of the present invention.
  • the resonant power transmission system includes a resonant power transmission device 1, a reception antenna 2, and a reception circuit 3.
  • the receiving antenna 2 and the receiving circuit 3 constitute a resonance type power receiving device 4.
  • FIG. 15 shows a case where the resonance type power transmission apparatus 1 shown in FIG. 1 is used.
  • the internal configuration of the control unit 104 is not shown.
  • a load 10 which is a circuit or device that functions by the power from the receiving circuit 3, is connected to the subsequent stage of the receiving circuit 3.
  • the resonant power transmission device 1 outputs high frequency power.
  • the resonant power transmission device 1 shown in FIG. 1 is used, but other resonant power transmission devices 1 shown in FIGS. 8, 9, 13, 14, etc. may be used.
  • the receiving antenna 2 receives the high frequency power from the transmitting antenna 105 by resonating at the same frequency (including substantially the same meaning) as the resonant frequency of the transmitting antenna 105.
  • the high frequency power (AC power) received by the receiving antenna 2 is output to the receiving circuit 3.
  • the power transmission method between the transmitting antenna 105 and the receiving antenna 2 is not particularly limited, and any of a magnetic field resonance method, an electric field resonance method, and an electromagnetic induction method may be used. Further, the transmission antenna 105 and the reception antenna 2 are not limited to non-contact as shown in FIG.
  • the receiving circuit 3 performs rectification or rectification and voltage conversion on the AC power from the receiving antenna 2 in accordance with the specifications of the load 10. That is, the receiving circuit 3 includes a configuration composed of a rectifier circuit, or a configuration composed of a rectifier circuit and a reception power source (DC / DC converter, DC / AC converter, etc.). The electric power obtained by the receiving circuit 3 is output to the load 10.
  • control unit 104 in the first, third, and fourth embodiments will be described.
  • a hardware configuration example of the control unit 104 in the first embodiment shown in FIG. 1 will be described, but the same applies to the other control units 104.
  • the functions of the power control unit 1041 and the phase control unit 1042 in the control unit 104 are realized by the processing circuit 51. 16A, even if the processing circuit 51 is dedicated hardware, as shown in FIG. 16B, a CPU (Central Processing Unit, a central processing unit, a processing unit that executes a program stored in the memory 53 , An arithmetic device, a microprocessor, a microcomputer, a processor, or a DSP (Digital Signal Processor) 52.
  • CPU Central Processing Unit
  • microprocessor a microcomputer
  • processor or a DSP (Digital Signal Processor) 52.
  • DSP Digital Signal Processor
  • the processing circuit 51 is dedicated hardware, the processing circuit 51 is, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), or an FPGA (Field Programmable Gate). Array) or a combination thereof.
  • the functions of the respective units of the power control unit 1041 and the phase control unit 1042 may be realized by the processing circuit 51, or the functions of the respective units may be collectively realized by the processing circuit 51.
  • the processing circuit 51 When the processing circuit 51 is the CPU 52, the functions of the power control unit 1041 and the phase control unit 1042 are realized by software, firmware, or a combination of software and firmware. Software and firmware are described as programs and stored in the memory 53.
  • the processing circuit 51 implements the functions of each unit by reading and executing the program stored in the memory 53. That is, when the control unit 104 is executed by the processing circuit 51, the step of controlling the magnitude of the output power in the inverter circuit 103 and the step of controlling the relative phase between the inverter circuits 102 and 103 are executed as a result.
  • a memory 53 for storing the program to be stored is provided. These programs can be said to cause the computer to execute the procedures and methods of the power control unit 1041 and the phase control unit 1042.
  • the memory 53 is, for example, a non-volatile 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.
  • a RAM Random Access Memory
  • ROM Read Only Memory
  • flash memory an EPROM (Erasable Programmable ROM), an EEPROM (Electrically EPROM), or the like.
  • EEPROM Electrically EPROM
  • a magnetic disk a flexible disk, an optical disk, a compact disk, a mini disk, a DVD (Digital Versatile Disc), and the like.
  • the functions of the power control unit 1041 and the phase control unit 1042 may be realized by dedicated hardware and partly realized by software or firmware.
  • the function of the power control unit 1041 is realized by the processing circuit 51 as dedicated hardware
  • the function of the phase control unit 1042 is obtained by the processing circuit 51 reading and executing a program stored in the memory 53. Can be realized.
  • the processing circuit 51 can realize the above-described functions by hardware, software, firmware, or a combination thereof.
  • the resonant power transmission device can reduce harmonic components without affecting the required transmission power, and is suitable for use in a resonant power transmission device that transmits high frequency power. .
  • Resonant power transmission device 2 receiving antenna, 3 receiving circuit, 4 resonant power receiving device, 10 load, 51 processing circuit, 52 CPU, 53 memory, 101 primary power supply, 102 inverter circuit, 103 inverter circuit, 104 control unit , 105 transmitting antenna, 106, 106b suppression antenna, 107 electromagnetic field intensity detection unit, 108 power combining unit, 1041 power control unit, 1042 phase control unit, 1051 transmission coil, 1052, 1053 resonance capacitor, 1061, 1061b suppression coil, 1062 1062b, 1063, 1063b Resonant capacitor.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Inverter Devices (AREA)

Abstract

La présente invention comprend : un circuit inverseur (102) qui délivre une énergie haute fréquence ; un circuit inverseur (103) qui délivre, à la même fréquence qu'une harmonique comprise dans ladite énergie haute fréquence, une énergie haute fréquence ; une unité de commande d'énergie (1041) qui commande l'amplitude de l'énergie de sortie du circuit inverseur (103) ; une antenne de transmission (105) qui résonne à la même fréquence que l'énergie haute fréquence délivrée par le circuit inverseur (102) et qui possède une bobine de transmission (1051), ladite bobine de transmission (1051) étant connectée à une extrémité de sortie du circuit inverseur (102) ; et une antenne de suppression (106) qui résonne à la même fréquence que l'énergie haute fréquence délivrée par le circuit inverseur (103) et possède une bobine de suppression (1061), ladite bobine de suppression (1061) étant connectée à une extrémité de sortie du circuit inverseur (103) et positionnée au niveau de la circonférence externe ou interne de la bobine de transmission (1051), la direction d'un courant qui circule à travers la bobine de transmission (1051) et la direction d'un courant qui circule à travers la bobine de suppression (1061) étant des directions opposées.
PCT/JP2016/063400 2016-04-28 2016-04-28 Dispositif de transmission d'énergie de type à résonance WO2017187610A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2017531793A JP6400207B2 (ja) 2016-04-28 2016-04-28 共振型電力送信装置
PCT/JP2016/063400 WO2017187610A1 (fr) 2016-04-28 2016-04-28 Dispositif de transmission d'énergie de type à résonance
TW105132874A TW201739142A (zh) 2016-04-28 2016-10-12 共振型電力傳送裝置

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Application Number Priority Date Filing Date Title
PCT/JP2016/063400 WO2017187610A1 (fr) 2016-04-28 2016-04-28 Dispositif de transmission d'énergie de type à résonance

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WO2017187610A1 true WO2017187610A1 (fr) 2017-11-02

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
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WO2020026868A1 (fr) * 2018-07-31 2020-02-06 パナソニックＩｐマネジメント株式会社 Dispositif de transmission de puissance, dispositif de réception de puissance, système de transmission de puissance sans fil et procédé de pilotage de dispositif de transmission de puissance
JPWO2020026868A1 (ja) * 2018-07-31 2021-08-05 パナソニックＩｐマネジメント株式会社 送電装置、受電装置、無線電力伝送システムおよび送電装置の駆動方法
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EP3624306A1 (fr) * 2018-09-12 2020-03-18 Korea Advanced Institute Of Science And Technology Dispositif de blindage de fuite de champ magnétique et système de transmission d'énergie sans fil comprenant celui-ci

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