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1. 发明授权

US10003128B2 Resonant type power transmission antenna device 有权
公开(公告)号：US10003128B2
公开(公告)日：2018-06-19
申请号：US15103974
申请日：2013-12-26
申请人： MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe , Yuki Ito
IPC分类号： H01Q1/52 , H02J50/70 , H02J50/05 , H02J7/00 , H02J5/00 , H01Q3/26 , H01Q7/00 , H01Q21/00 , B60L11/18 , H02J50/12 , H02J50/40
CPC分类号： H01Q1/526 , B60L53/12 , B60L2270/147 , H01Q3/26 , H01Q7/00 , H01Q21/00 , H02J7/025 , H02J50/12 , H02J50/40 , H02J50/70 , Y02T10/7005 , Y02T10/7072 , Y02T90/122 , Y02T90/14
摘要： Disclosed is a resonant type power transmission antenna device provided with a plurality of transmission antennas 12 and a plurality of reception antennas 13, the resonant type power transmission antenna device including a transmission shield antenna 22 arranged between the plurality of transmission antennas 12, a reception shield antenna 23 arranged between the plurality of reception antennas 13, transmission and reception circuits 21 and 24 to operate the transmission and reception shield antennas 22 and 23 in electromagnetic field resonance having a phase opposite to that of the transmission and reception antennas 12 and 13 respectively adjacent to the transmission and reception shield antennas.

2. 发明授权

US09882509B2 Resonant type high frequency power supply device and switching circuit for resonant type high frequency power supply device 有权
公开(公告)号：US09882509B2
公开(公告)日：2018-01-30
申请号：US15028650
申请日：2013-10-31
申请人： MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe , Yuki Ito
IPC分类号： H02M7/533 , H02J50/12 , H02M7/5383 , H02M7/537 , H02M1/00 , H02M7/48
CPC分类号： H02M7/533 , H02J7/0065 , H02J50/12 , H02M7/537 , H02M7/53832 , H02M2001/0058 , H02M2007/4815 , Y02B40/90 , Y02B70/1441 , Y02B70/1491
摘要： Disclosed is a resonant type high frequency power supply device provided with a power element that performs a switching operation, the power supply device including a high frequency pulse drive circuit 1 that transmits a pulse-shaped voltage signal having a high frequency exceeding 2 MHz to the power element to drive the power element, wherein a voltage signal from the high frequency pulse drive circuit 1 is subjected to partial resonance by an impedance of a signal line of the voltage signal and a parasitic capacitance of the power element.

3. 发明授权

US10033227B2 Resonant type transmission power supply device and resonant type transmission power supply system 有权
公开(公告)号：US10033227B2
公开(公告)日：2018-07-24
申请号：US15104157
申请日：2013-12-26
申请人： Mitsubishi Electric Engineering Company, Limited
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe , Yuki Ito
IPC分类号： H02J50/12 , H02J50/90 , H02J7/02 , H02J7/04 , H02J50/40 , H02J50/05 , H02J17/00 , H02J50/60
摘要： Disclosed is a resonant type transmission power supply device including a transmission power state detecting circuit 11 to detect a transmission power state of a transmission antenna 2, a foreign object detecting circuit 124 to detect the presence or absence of a foreign object in an electromagnetic field generated from the transmission antenna 2 on the basis of a detection result acquired by the transmission power state detecting circuit 11, and a power control circuit 125 to reduce or stop the supply of electric power to the transmission antenna 2 when foreign object is detected by the foreign object detecting circuit 124.

4. 发明授权

US09742307B2 Rectifying circuit for high-frequency power supply 有权
公开(公告)号：US09742307B2
公开(公告)日：2017-08-22
申请号：US15031196
申请日：2013-12-26
申请人： MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe , Yuki Ito
IPC分类号： H02M7/04 , H02M7/06 , H02M7/217 , H02M1/14
CPC分类号： H02J50/12 , H02J50/05 , H02M1/14 , H02M7/04 , H02M7/06 , H02M7/217 , Y02B70/1441
摘要： Disclosed is a rectifying circuit for high-frequency power supply that rectifies an alternating voltage at a high frequency equal to or higher than 2 MHz, the rectifying circuit for high-frequency power supply including a current doubler rectifier circuit that rectifies the alternating voltage inputted from a reception antenna for power transmission 10, a partial resonant circuit that causes the current doubler rectifier circuit to perform partial resonant switching in a switching operation at the time of rectification, a matching functional circuit that has a function of matching a resonance condition to that of the reception antenna for power transmission 10, and a function of matching the resonance condition to that of the partial resonant circuit, and a smoothing functional circuit that smooths the voltage rectified by the current doubler rectifier circuit into a direct voltage.

5. 发明授权

US10158254B2 Resonant coupling power transmission system, resonance type power transmission device, and resonance type power reception device 有权
公开(公告)号：US10158254B2
公开(公告)日：2018-12-18
申请号：US15320215
申请日：2014-09-02
申请人： MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe
IPC分类号： H02J50/12
摘要： A resonant coupling power transmission system includes a resonance type power transmission device 1 having a resonance type power supply 11 to supply power, and a resonance type transmission antenna 13 to transmit the power supplied by the resonance type power supply 11, and a resonance type power reception device 2 having a resonance type reception antenna 21 to receive the power transmitted by the resonance type transmission antenna 13, and a reception circuit 23 to supply the power received by the resonance type reception antenna 21 to a load, and the characteristic impedance of each of the functional units is set in such a way that there is provided a correlation among the resonance characteristic value of the resonance type power supply 11, that of the resonance type transmission antenna 13, and that of the resonance type power reception device 2.

6. 发明授权

US10110071B2 Resonance-type power transmitter 有权
公开(公告)号：US10110071B2
公开(公告)日：2018-10-23
申请号：US15504862
申请日：2014-09-12
申请人： Mitsubishi Electric Engineering Company, Limited
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe , Kansuke Tsuji
IPC分类号： H02J50/12 , H02J5/00
摘要： A configuration includes: resonance-type power source circuits provided for at least two electric paths, each including a power element that performs switching at a high frequency of 2 MHz or more, and a resonant circuit element that causes the power element to perform resonant switching; a phase-control-type matching circuits provided for the respective electric paths, each having a function of controlling a phase difference between output currents of the resonance-type power source circuits and a function of providing matching of resonance conditions between the resonance-type power source circuit and a load; and a combining unit that combines output currents processed by the phase-control-type matching circuits for the respective electric paths.

7. 发明授权

US09882435B2 Resonant type high frequency power supply device and switching circuit for resonant type high frequency power supply device 有权
公开(公告)号：US09882435B2
公开(公告)日：2018-01-30
申请号：US15027154
申请日：2013-10-31
申请人： Mitsubishi Electric Engineering Company, Limited
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe , Yuki Ito
IPC分类号： H02M1/08 , H02M1/36 , H02J50/12 , H02M7/48 , H02J50/20 , H02J50/05
CPC分类号： H02J50/12 , H02J50/05 , H02J50/20 , H02M7/48 , H02M2007/4815 , H02M2007/4818 , Y02B70/1441
摘要： A resonant type high frequency power supply device provided with a power semiconductor element that performs a switching operation, the power supply device including a second power semiconductor element at least one or more connected in parallel to the power semiconductor element to achieve optimization of parasitic capacitances of the power semiconductor element and the second power semiconductor element itself, and a high frequency pulse drive circuit that transmits a pulse-shaped voltage signal having a high frequency exceeding 2 MHz to the power semiconductor element and the second power semiconductor element to drive the power semiconductor element and the second power semiconductor element.

8. 发明申请

US20160308398A1 RECTIFYING CIRCUIT FOR HIGH-FREQUENCY POWER SUPPLY 审中-公开
标题翻译：高频电源的修复电路
公开(公告)号：US20160308398A1
公开(公告)日：2016-10-20
申请号：US15102111
申请日：2013-12-10
申请人： MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe , Yuki Ito
IPC分类号： H02J50/12
CPC分类号： H02J50/12 , H02J17/00 , H02J50/20 , H02M7/06
摘要： Disclosed is a rectifying circuit for high-frequency power supply that rectifies an alternating voltage at a high frequency equal to or higher than 2 MHz, the rectifying circuit for high-frequency power supply including a class E rectifier circuit that rectifies the alternating voltage inputted from a reception antenna for power transmission 10, a resonant circuit that causes the class E rectifier circuit to perform resonant switching in a switching operation at the time of rectification, a matching functional circuit that has a function of matching a resonance condition to that of the reception antenna for power transmission 10, and a function of matching the resonance condition to that of the resonant circuit, and a smoothing functional circuit that smooths the voltage rectified by the class E rectifier circuit into a direct voltage.
摘要翻译：公开了一种用于对等于或高于2MHz的高频进行交流电压整流的高频电源整流电路，包括E级整流电路的整流电路，该E类整流电路对从用于电力传输的接收天线10，使得E类整流电路在整流时的开关操作中进行谐振切换的谐振电路，具有将谐振条件与接收的谐振条件相匹配的功能的匹配功能电路用于电力传输的天线10，以及谐振条件与谐振电路的谐振条件匹配的功能，以及使由E类整流电路整流的电压平滑成直流电压的平滑功能电路。

9. 发明授权

US10432027B2 Movable portion transmission system using wireless power transmission 有权
公开(公告)号：US10432027B2
公开(公告)日：2019-10-01
申请号：US15303949
申请日：2014-05-13
申请人： MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe , Yuki Ito
IPC分类号： H02J50/12 , H02J50/40 , H01F38/18 , H02J50/10
摘要： A movable portion transmission system includes a transmitter and receiver having a transmission antenna to perform wireless transmission of electric power supplied thereto and a reception antenna to receive the electric power from the transmission antenna, a transmission power supply circuit to establish a resonance condition of the transmission antenna, and a reception power supply circuit to establish a resonance condition of the reception antenna. The transmission antenna includes a transmission side coil in a spiral shape which is arranged while being centered at the axial center of a rotary member, and the reception antenna includes a reception side coil in a spiral shape which is arranged with a gap therefrom to the transmission side coil while being centered at the axial center of the rotary member.

10. 发明授权

US09979315B2 Rectifying circuit for high-frequency power supply 有权
公开(公告)号：US09979315B2
公开(公告)日：2018-05-22
申请号：US15030425
申请日：2013-11-15
申请人： MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
发明人： Yoshiyuki Akuzawa , Kiyohide Sakai , Toshihiro Ezoe , Yuki Ito
IPC分类号： H02M7/06 , H02M7/219 , H02M1/14 , H02M1/00
CPC分类号： H02M7/06 , H02M1/14 , H02M7/219 , H02M2001/0058 , Y02B70/1441 , Y02B70/1491
摘要： A rectifying circuit for high-frequency power supply that rectifies an alternating voltage at a high frequency exceeding 2 MHz, the rectifying circuit for high-frequency power supply including a bridge rectifier circuit that rectifies the alternating voltage inputted from a reception antenna for power transmission, a matching functional circuit that matches a resonance condition to that of the reception antenna for power transmission, and a smoothing functional circuit that smooths the voltage rectified by the bridge rectifier circuit into a direct voltage, in which the rectifying circuit for high-frequency power supply causes the bridge rectifier circuit to perform partial resonant switching in a switching operation at the time of rectification by using the matching functional circuit and the smoothing functional circuit.

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