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公开(公告)号：US10132650B2
公开(公告)日：2018-11-20
申请号：US14603296
申请日：2015-01-22
摘要： A wireless power transmitter may include a transmit coil configured to generate a wireless power signal for wireless power transfer, at least one secondary sensing coil configured to generate a signal responsive to a magnetic flux field generated during the wireless power transfer, and control logic configured to detect at least one condition of a wireless power transfer system responsive to detecting distortion in the magnetic flux field from the at least one signal received from the secondary sensing coil. A related method may include generating with a wireless power transmitter a wireless power signal, generating with a plurality of secondary sensing coils one or more signals responsive to a magnetic flux field generated during the wireless power transfer, and detecting at least one condition of a wireless power transfer system responsive to the one or more signals generated by the plurality of secondary sensing coils.
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公开(公告)号：US09991818B2
公开(公告)日：2018-06-05
申请号：US14670385
申请日：2015-03-26
发明人： Gustavo J. Mehas , Anthonius Bakker
摘要： A wireless power enabled apparatus includes a wireless power receiver. The wireless power receiver includes one or more receive coils configured to generate an AC power signal responsive to a wireless power signal. The wireless power receiver also includes two or more inductors configured with tightly coupled windings that share a common leakage inductance. Switching circuits are included such that each switching circuit is operably coupled to a corresponding one of the inductors. Control logic is configured to operate switches of the switching circuits such that each of the switching circuits and its corresponding two or more inductors are operated to shift between an energy storage mode for one or more phases of a switching period and an energy transfer mode for other phases of the switching period and the phases combine to comprise an entirety of the switching period.
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公开(公告)号：US10923273B2
公开(公告)日：2021-02-16
申请号：US16228551
申请日：2018-12-20
发明人： Gustavo J. Mehas , Tao Qi
摘要： In some embodiments, a transmit coil configuration is provided. A coil configuration for a wireless transmitter according to some embodiments can include a plurality of turns coupled between a first tap coupled to an innermost turn and a second tap coupled to an outermost turn; and at least one adjustment tap coupled to at least one turn of the transmitter coil between the innermost turn and the outermost turn. The transmission coil can include an MST coil coupled to the second tap of the transmission coil. In some embodiments, the MST coil can include a plurality of turns arranged in one of a circle, an oval, an egg shape, or a square shape.
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4.发明授权公开(公告)号：US09837864B2
公开(公告)日：2017-12-05
申请号：US14670371
申请日：2015-03-26
摘要： A wireless power transmitter may include a bridge inverter and a plurality of parallel paths operably coupled to the bridge inverter. Each path includes a resonance tank including a transmit coil coupled with at least one resonance capacitor, a first switch serially coupled with the resonance tank and switching node A of the bridge inverter, a first clamping element in parallel with the first switch, a second switch serially coupled with the resonance tank and switching node B of the bridge inverter, and a second clamping element in parallel with the second switch. A method includes generating a wireless power signal through a used coil in a first parallel path, and clamping a parasitic voltage generated in at least one unused coil in at least one additional parallel path through a clamp element across a switch in the at least one parallel path for the at least one unused coil.
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5.发明申请APPARATUSES AND RELATED METHODS FOR A WIRELESS POWER RECEIVER USING COUPLED INDUCTORS 有权使用耦合电感器的无线电力接收器的设备及相关方法公开(公告)号：US20160285279A1
公开(公告)日：2016-09-29
申请号：US14670385
申请日：2015-03-26
发明人： Gustavo J. Mehas , Anthonius Bakker
IPC分类号： H02J5/00
摘要： A wireless power enabled apparatus includes a wireless power receiver. The wireless power receiver includes one or more receive coils configured to generate an AC power signal responsive to a wireless power signal. The wireless power receiver also includes two or more inductors configured with tightly coupled windings that share a common leakage inductance. Switching circuits are included such that each switching circuit is operably coupled to a corresponding one of the inductors. Control logic is configured to operate switches of the switching circuits such that each of the switching circuits and its corresponding two or more inductors are operated to shift between an energy storage mode for one or more phases of a switching period and an energy transfer mode for other phases of the switching period and the phases combine to comprise an entirety of the switching period.
摘要翻译： 一种无线功率使能装置包括无线电力接收器。 无线电力接收器包括一个或多个接收线圈，其被配置为响应于无线功率信号产生AC电力信号。 无线电力接收器还包括两个或更多个电感器，其配置有共享公共漏电感的紧耦合绕组。 包括开关电路，使得每个开关电路可操作地耦合到相应的一个电感器。 控制逻辑被配置为操作开关电路的开关，使得开关电路及其相应的两个或更多个电感器中的每一个被操作以在开关周期的一个或多个相位的能量存储模式和用于其它的能量传输模式之间移动 开关周期和相位的相位组合以包括整个开关周期。
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6.发明申请公开(公告)号：US20150215006A1
公开(公告)日：2015-07-30
申请号：US14168965
申请日：2014-01-30
CPC分类号： H04B5/0037 , G05B13/0205 , H02J5/005 , H02J7/025 , H02J17/00 , H02J50/12 , H02J50/60 , H02M7/219 , H04B5/0031 , Y02B70/1441
摘要： A wireless power enabled apparatus may comprise a wireless power receiver that includes a receive coil configured to generate an AC power signal responsive to a wireless power signal, a rectifier including a plurality of switches configured to receive the AC power signal and generate a DC rectified power signal, a regulator operably coupled with the regulator to receive the DC rectified power signal and generate an output power signal, and control logic configured to generate a communication signal responsive to adjusting an input impedance of the regulator. A method of operating a wireless power receiver includes generating a rectified voltage responsive to receiving a wireless power signal, generating an output voltage from the rectified voltage with a voltage regulator, and controlling the voltage regulator during a communication mode of wireless power receiver to modulate a characteristic of the voltage regulator with data for transmission to a wireless power transmitter.
摘要翻译： 一种无线功率使能装置可以包括一个无线电力接收器，该无线电力接收器包括一个接收线圈，该接收线圈配置成响应无线电力信号产生一个AC电力信号，一个整流器包括多个开关，其被配置为接收AC电力信号并产生直流整流功率 信号，稳压器，其与所述调节器可操作地耦合以接收所述DC整流功率信号并产生输出功率信号;以及控制逻辑，被配置为响应于调节所述调节器的输入阻抗而产生通信信号。 操作无线电力接收机的方法包括响应于接收无线电力信号而产生整流电压，利用电压调节器从整流电压产生输出电压，以及在无线电力接收机的通信模式期间控制电压调节器以调制 具有用于传输到无线电力发射器的数据的电压调节器的特性。
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公开(公告)号：US10079508B2
公开(公告)日：2018-09-18
申请号：US14603275
申请日：2015-01-22
摘要： A wireless power receiver may include a receive coil configured to generate an AC power signal, at least one secondary sensing coil configured to generate a measurement signal responsive to a magnetic flux field, and control logic configured to detect at least one condition of a wireless power transfer system responsive to detecting distortion in the magnetic flux field from the at least one measurement signal received from the secondary sensing coil. A related method may include receiving with a wireless power receiver a wireless power signal for wireless power transfer from a wireless power transmitter, generating with a plurality of secondary sensing coils one or more measurement signals responsive to a magnetic flux field generated during the wireless power transfer, and detecting at least one condition of a wireless power transfer system responsive to the one or more measurement signals generated by the plurality of secondary sensing coils.
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8.发明申请APPARATUSES AND WIRELESS POWER TRANSMITTERS HAVING MULTIPLE TRANSMIT COILS AND RELATED METHOD 有权具有多个发送线圈的装置和无线电力发送器及相关方法公开(公告)号：US20160285278A1
公开(公告)日：2016-09-29
申请号：US14670371
申请日：2015-03-26
摘要： A wireless power transmitter may include a bridge inverter and a plurality of parallel paths operably coupled to the bridge inverter. Each path includes a resonance tank including a transmit coil coupled with at least one resonance capacitor, a first switch serially coupled with the resonance tank and switching node A of the bridge inverter, a first clamping element in parallel with the first switch, a second switch serially coupled with the resonance tank and switching node B of the bridge inverter, and a second clamping element in parallel with the second switch. A method includes generating a wireless power signal through a used coil in a first parallel path, and clamping a parasitic voltage generated in at least one unused coil in at least one additional parallel path through a clamp element across a switch in the at least one parallel path for the at least one unused coil.
摘要翻译： 无线电力发射机可以包括桥式逆变器和可操作地耦合到桥式逆变器的多个并行路径。 每个路径包括一个共振槽，包括与至少一个谐振电容耦合的发射线圈，与谐振槽串联耦合的第一开关和桥式逆变器的开关节点A，与第一开关并联的第一钳位元件，第二开关 与桥式逆变器的谐振槽和开关节点B串联耦合，以及与第二开关并联的第二钳位元件。 一种方法包括通过第一并行路径中使用的线圈产生无线功率信号，以及将至少一个未使用的线圈中产生的寄生电压钳位在穿过所述至少一个并联中的开关的夹紧元件的至少一个附加并行路径中 至少一个未使用的线圈的路径。
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9.发明申请APPARATUSES AND RELATED METHODS FOR DETECTING MAGNETIC FLUX FIELD CHARACTERISTICS WITH A WIRELESS POWER TRANSMITTER 审中-公开用无线电力变送器检测磁通场特性的装置及相关方法公开(公告)号：US20160218559A1
公开(公告)日：2016-07-28
申请号：US14603296
申请日：2015-01-22
摘要： A wireless power transmitter may include a transmit coil configured to generate a wireless power signal for wireless power transfer, at least one secondary sensing coil configured to generate a signal responsive to a magnetic flux field generated during the wireless power transfer, and control logic configured to detect at least one condition of a wireless power transfer system responsive to detecting distortion in the magnetic flux field from the at least one signal received from the secondary sensing coil. A related method may include generating with a wireless power transmitter a wireless power signal, generating with a plurality of secondary sensing coils one or more signals responsive to a magnetic flux field generated during the wireless power transfer, and detecting at least one condition of a wireless power transfer system responsive to the one or more signals generated by the plurality of secondary sensing coils.
摘要翻译： 无线电力发射机可以包括被配置为产生用于无线电力传输的无线电力信号的发射线圈，被配置为产生响应于无线电力传输期间产生的磁通量场的信号的至少一个次级感测线圈，以及被配置为 响应于从所述次级感测线圈接收的所述至少一个信号检测所述磁通场中的失真来检测无线电力传输系统的至少一个条件。 相关方法可以包括用无线功率发射机生成无线功率信号，利用多个辅助感测线圈产生一个或多个响应于在无线功率传输期间产生的磁通量场的信号，以及检测无线的至少一个状况 电力传输系统，其响应于由所述多个次级感测线圈产生的一个或多个信号。
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10.发明申请APPARATUSES AND RELATED METHODS FOR DETECTING MAGNETIC FLUX FIELD CHARACTERISTICS WITH A WIRELESS POWER RECEIVER 审中-公开用无线电源接收器检测磁通场特性的装置及相关方法公开(公告)号：US20160218520A1
公开(公告)日：2016-07-28
申请号：US14603275
申请日：2015-01-22
IPC分类号： H02J5/00
摘要： A wireless power receiver may include a receive coil configured to generate an AC power signal, at least one secondary sensing coil configured to generate a measurement signal responsive to a magnetic flux field, and control logic configured to detect at least one condition of a wireless power transfer system responsive to detecting distortion in the magnetic flux field from the at least one measurement signal received from the secondary sensing coil. A related method may include receiving with a wireless power receiver a wireless power signal for wireless power transfer from a wireless power transmitter, generating with a plurality of secondary sensing coils one or more measurement signals responsive to a magnetic flux field generated during the wireless power transfer, and detecting at least one condition of a wireless power transfer system responsive to the one or more measurement signals generated by the plurality of secondary sensing coils.
摘要翻译： 无线电力接收器可以包括被配置为产生AC电力信号的接收线圈，至少一个辅助感测线圈，被配置为响应于磁通场产生测量信号，以及控制逻辑，被配置为检测无线电力的至少一个条件 传输系统响应于从从次级感测线圈接收的至少一个测量信号检测磁通场中的失真。 相关方法可以包括用无线电力接收器接收无线功率信号，用于从无线功率发射器进行无线功率传输，用多个辅助感测线圈产生一个或多个测量信号，该测量信号响应于无线电力传输期间产生的磁通量场 并且响应于由所述多个次级感测线圈产生的所述一个或多个测量信号来检测无线电力传送系统的至少一个条件。
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