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公开(公告)号：US20220242255A1
公开(公告)日：2022-08-04
申请号：US17165463
申请日：2021-02-02
申请人： Toyota Motor Engineering & Manufacturing North America, Inc. , The Regents of the University of Michigan
发明人： Yanghe Liu , Qunfang Wu , Mengqi Wang , Weiyang Zhou , Chungchih Chou
摘要： In one embodiment, a vehicle power system includes a coil that, in a first operational mode, receives power wirelessly from an external source, a first battery connected to the coil to receive power transferred from the coil while the coil is in the first operational mode, a second battery that receives power from the first battery, and a switch that switches the coil between the first operational mode and a second operational mode in which the coil receives power from the second battery and wirelessly transfers power from the second battery to an electrical load in the vehicle.
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公开(公告)号：US11590850B2
公开(公告)日：2023-02-28
申请号：US17165463
申请日：2021-02-02
申请人： Toyota Motor Engineering & Manufacturing North America, Inc. , The Regents of the University of Michigan
发明人： Yanghe Liu , Qunfang Wu , Mengqi Wang , Weiyang Zhou , Chungchih Chou
摘要： A vehicle power system includes a coil that, in a first operational mode, receives power wirelessly from an external source, a first battery connected to the coil to receive power transferred from the coil while the coil is in the first operational mode, a second battery that receives power from the first battery, and a switch that switches the coil between the first operational mode and a second operational mode in which the coil receives power from the second battery and wirelessly transfers power from the second battery to an electrical load in the vehicle.
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公开(公告)号：US11938875B2
公开(公告)日：2024-03-26
申请号：US17164166
申请日：2021-02-01
申请人： Toyota Motor Engineering & Manufacturing North America, Inc. , The Regents Of The University Of Michigan
发明人： Yanghe Liu , Chungchih Chou , Hiroshi Ukegawa , Qunfang Wu , Mengqi Wang , Weiyang Zhou
IPC分类号： B60R16/023 , B60R16/03 , H02J50/40 , H02J50/80 , H04B1/02
CPC分类号： B60R16/023 , B60R16/03 , H02J50/40 , H02J50/80 , H04B1/02
摘要： Systems and methods are provided for wireless power transfer in a vehicle. A wireless power transfer system can include a high-frequency alternating current (HFAC) inverter electrically coupled to the power source and a transmitter to wirelessly transmit a HFAC power signal to at least one device of a vehicle, such as sensors (e.g., LiDAR, GPS etc.) and cameras. The HFAC power signal provides wireless power and a data signal to the at least one device of a vehicle. The wireless power transfer system can eliminate the need for cabling and wires to provide power to the device. Wireless power transfer can include use or a data modulation circuit and a pulse current source to inject a pulse current to the HFAC power signal as superimposed data. System configurations can power a plurality of devices. Systems can includes a plurality of HFAC inverters and transmitters to power multiple sets of devices.
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公开(公告)号：US20240006919A1
公开(公告)日：2024-01-04
申请号：US17856486
申请日：2022-07-01
发明人： Yanghe Liu , Guanliang Liu , Mengqi Wang , Feng Zhou , Hiroshi Ukegawa
CPC分类号： H02J50/12 , H02M7/003 , H05K1/181 , H05K1/111 , H05K3/30 , B60L53/12 , H02J2207/20 , H05K2201/10015
摘要： A rectifier apparatus for a wireless inductive charging system includes a first PCB having a metal layer, a dielectric layer provided on a surface of the metal layer, and a circuit layer provided on an opposite surface of the dielectric layer relative to the metal layer, the circuit layer including copper traces and circuit components, the circuit components including a capacitor array. The apparatus includes a second PCB having a non-metallic substrate and a plurality of inductors formed in the non-metallic substrate, each inductor comprised of a magnetic core and metallic windings, where the plurality of inductors are electrically coupled forming an inductor array. The circuit layer of the first PCB and the inductor array of the second PCB are electrically coupled to form a rectifier circuit to provide DC power. The circuit layer and the inductor array can be electrically coupled via aligned contact pads on each PCB.
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公开(公告)号：US20220247331A1
公开(公告)日：2022-08-04
申请号：US17166380
申请日：2021-02-03
发明人： Yanghe Liu , Qunfang Wu , Mengqi Wang , Weiyang Zhou , Chungchih Chou , Hiroshi Ukegawa
IPC分类号： H02P5/46 , H02P25/024
摘要： Methods, apparatuses and systems provide technology for a high frequency alternating-current (HFAC) distribution network for a vehicle that includes a plurality of HFAC zones coupled to a direct-current (DC) power source, the plurality of HFAC zones disbursed within the vehicle, where each HFAC zone includes a HFAC resonant inverter to convert DC power to HFAC power and a HFAC bus coupled to the HFAC resonant inverter, the HFAC bus to distribute the HFAC power to one or more loads. The technology includes a CLCL resonant tank circuit having two capacitors and two inductors, a push-pull circuit coupled to the CLCL resonant tank circuit, the push-pull circuit including a pair of switches, and a transformer to couple the inverter to the HFAC bus.
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公开(公告)号：US12068711B2
公开(公告)日：2024-08-20
申请号：US17166380
申请日：2021-02-03
发明人： Yanghe Liu , Qunfang Wu , Mengqi Wang , Weiyang Zhou , Chungchih Chou , Hiroshi Ukegawa
IPC分类号： H02P5/46 , H02P25/024
CPC分类号： H02P5/46 , H02P25/024
摘要： Methods, apparatuses and systems provide technology for a high frequency alternating-current (HFAC) distribution network for a vehicle that includes a plurality of HFAC zones coupled to a direct-current (DC) power source, the plurality of HFAC zones disbursed within the vehicle, where each HFAC zone includes a HFAC resonant inverter to convert DC power to HFAC power and a HFAC bus coupled to the HFAC resonant inverter, the HFAC bus to distribute the HFAC power to one or more loads. The technology includes a CLCL resonant tank circuit having two capacitors and two inductors, a push-pull circuit coupled to the CLCL resonant tank circuit, the push-pull circuit including a pair of switches, and a transformer to couple the inverter to the HFAC bus.
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