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公开(公告)号：US20220029440A1
公开(公告)日：2022-01-27
申请号：US17495775
申请日：2021-10-06
Inventor： Jun Zhang , Shebiao Chen , Chen Tian , Jialiang Zhang , Jiada Li , Shiming Wan
IPC: H02J7/00
Abstract: A device to be charged, a charging method, and a charging control circuit are provided. The device to be charged includes multiple cells coupled in series, a conversion circuit, a first charging channel, a second charging channel, and a communication control circuit. The conversion circuit is configured to receive input voltage from a power supply device, convert the input voltage into charging voltage for the multiple cells and into power supply voltage for a system of the device to be charged, charge the multiple cells according to the charging voltage, and supply power to the system of the device to be charged according to the power supply voltage.
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公开(公告)号：US20220006303A1
公开(公告)日：2022-01-06
申请号：US17475162
申请日：2021-09-14
Inventor： Shebiao Chen , Hongbin Xie
Abstract: The present disclosure discloses a method for charging and discharging control, and a device. The method can be applied to a device. The device includes a first battery unit and a second battery unit which are connected in series, and a balance module. The second battery unit supplies power for the device. The method includes, when the voltage of the second battery unit is equal to or less than a first preset voltage threshold, transferring the power in the first battery unit to the second battery unit through the balance module, such that the voltage of the second battery unit is greater than the first voltage threshold.
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公开(公告)号：US20210305847A1
公开(公告)日：2021-09-30
申请号：US17347376
申请日：2021-06-14
Inventor： Shiming WAN , Jun Zhang , Shebiao Chen
IPC: H02J50/12 , H02J50/80 , H02J7/02 , H04B1/3827 , H04B5/00
Abstract: A power supply device, a wireless charging device, a system, and a wireless charging method are provided. The power supply device is applicable to wireless charging, including a rectification module configured to rectify an input alternating current to provide a direct current; a control module electrically connected to the rectification module; a wireless transmission driving module electrically connected to the control module, and configured to receive a first control signal transmitted by the control module to generate a driving signal according to the first control signal; an inverse rectification module correspondingly electrically connected to the rectification module and the wireless transmission driving module, and configured to inversely transform the direct current according to the driving signal to generate an alternating current signal; and a connection interface electrically connected to the inverse rectification module, and configured to output the alternating current signal.
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公开(公告)号：US10910852B2
公开(公告)日：2021-02-02
申请号：US15657572
申请日：2017-07-24
Inventor： Jialiang Zhang , Chen Tian , Jun Zhang , Shebiao Chen , Shiming Wan , Jiada Li
IPC: H02J7/00 , G01R31/3842 , H02M3/335 , H02J7/02
Abstract: The present disclosure discloses a charging system, a charging method and a power adapter. The system includes a power adapter and a terminal. The power adapter includes a first rectifier, a switch unit, a transformer, a second rectifier, a sampling unit, and a control unit. The control unit outputs a control signal to the switch unit, and adjusts a duty ratio of the control signal according to coupled sampling performed by the sampling unit at an auxiliary winding, such that a third voltage outputted by the second rectifier meets a charging requirement. The terminal includes a battery. When the power adapter is coupled to the terminal, the third voltage is applied to the battery.
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公开(公告)号：US10541541B2
公开(公告)日：2020-01-21
申请号：US15806739
申请日：2017-11-08
Inventor： Jialiang Zhang , Shiming Wan , Chen Tian , Shebiao Chen , Jiada Li , Jun Zhang
IPC: H02J7/00
Abstract: Embodiments of the present disclosure provide an equalization circuit, a device to be charged and a charging control method. The equalization circuit includes: a first converting unit, configured to receive a direct voltage output by a first battery cell and to convert the direct voltage output by the first battery cell into a first alternating voltage; a first resonant unit, configured to receive the first alternating voltage and to convert the first alternating voltage into a second alternating voltage in a resonant manner; a first capacitive coupling unit and a second converting unit, in which the first capacitive coupling unit is configured to couple the second alternating voltage to the second converting unit in a capacitive coupling manner, and the second converting unit is configured to convert the second alternating voltage into a first charging voltage for charging a second battery cell.
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公开(公告)号：US10333331B2
公开(公告)日：2019-06-25
申请号：US16113167
申请日：2018-08-27
Inventor： Jialiang Zhang , Shebiao Chen , Jun Zhang , Chen Tian , Shiming Wan , Jiada Li
IPC: H01M10/46 , H02J7/00 , H04M19/00 , H02J7/02 , H02M3/335 , H02J7/04 , H02M1/08 , H02J7/06 , H02J7/14 , H02J7/24 , H02M1/00 , H02M3/156 , H02M7/06 , H01F27/42 , H01M10/0525 , H02M5/458 , H01F27/40
Abstract: The present disclosure discloses a charging device and a terminal. The device includes: a charging receiving terminal configured to receive a first alternating current; a first rectifier configured to rectify the first alternating current and output a first voltage with a first pulsating waveform, a switch unit configured to modulate the first voltage according to a control signal to obtain a modulated first voltage, a transformer configured to output a plurality of voltages with pulsating waveforms according to the modulated first voltage, and a synthesizing unit configured to synthesize the plurality of voltages to output a second alternating current; and a central control module configured to output the control signal to the switch unit so as to adjust voltage and/or current of the second alternating current in response to a charging requirement of the battery.
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公开(公告)号：US10312712B2
公开(公告)日：2019-06-04
申请号：US15649277
申请日：2017-07-13
Inventor： Jialiang Zhang , Shebiao Chen , Jun Zhang , Chen Tian , Shiming Wan , Jiada Li
IPC: H02J7/00 , H04M19/00 , H02J7/02 , H02M3/335 , H02J7/04 , H02M1/08 , H02J7/06 , H02J7/14 , H02J7/24 , H02M1/00 , H02M3/156 , H02M7/06 , H01F27/42 , H01M10/0525 , H02M5/458 , H01F27/40
Abstract: The present disclosure discloses a charging system, a charging method and a power adapter. The system includes a power adapter and a terminal. The power adapter includes a first rectifier, a switch unit, a transformer, a second rectifier, a sampling unit, a control unit and a first isolation unit. The control unit outputs a control signal to the switch unit, and adjusts a duty ratio of the control signal according to a current value and/or voltage value sampled by the sampling unit, such that a third voltage with a third ripple waveform outputted by the second rectifier meets a charging requirement. The terminal includes a battery. When the terminal is coupled to the power adapter, the third voltage is applied to the battery.
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公开(公告)号：US20190140466A1
公开(公告)日：2019-05-09
申请号：US16238162
申请日：2019-01-02
Inventor： Jun Zhang , Shebiao Chen , Chen Tian , Jialiang Zhang , Jiada Li , Shiming Wan
IPC: H02J7/00
Abstract: A device to be charged, a charging method, and a charging control circuit are provided. The device to be charged includes multiple cells coupled in series and a conversion circuit. The conversion circuit is configured to receive input voltage from a power supply device, convert the input voltage into charging voltage for the multiple cells and into power supply voltage for a system of the device to be charged, charge the multiple cells according to the charging voltage, and supply power to the system of the device to be charged according to the power supply voltage.
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公开(公告)号：US20180034310A1
公开(公告)日：2018-02-01
申请号：US15725064
申请日：2017-10-04
Inventor： Jialiang Zhang , Shebiao Chen , Jun Zhang , Chen Tian , Shiming Wan , Jiada Li
CPC classification number: H02J7/045 , H01F27/425 , H01F2027/408 , H01M10/0525 , H02J7/0004 , H02J7/0009 , H02J7/0027 , H02J7/0029 , H02J7/0042 , H02J7/0044 , H02J7/0045 , H02J7/0052 , H02J7/007 , H02J7/0072 , H02J7/008 , H02J7/0091 , H02J7/0093 , H02J7/02 , H02J7/022 , H02J7/04 , H02J7/041 , H02J7/042 , H02J7/047 , H02J7/06 , H02J7/1492 , H02J7/245 , H02J2007/0049 , H02J2007/0059 , H02J2007/0095 , H02J2007/0096 , H02J2007/0098 , H02M1/00 , H02M1/08 , H02M3/156 , H02M3/33507 , H02M3/33515 , H02M3/33523 , H02M3/33546 , H02M3/33569 , H02M5/458 , H02M7/06 , H02M2001/0009 , H02M2001/0048 , H04M19/00 , Y02D70/20 , Y02D70/26
Abstract: A charging system, a charging method, and a power adapter are provided. The power adapter includes a first rectification unit, a switch unit, a transformer, a second rectification unit, a first charging interface, a sampling unit, and a control unit. The control unit is configured to output a control signal to the switch unit, and adjust a duty ratio of the control signal based on a voltage sampling value and/or a current sampling value sampled by the sampling unit, in which a voltage of a third pulsating waveform output from the second rectification unit meets the charging requirements. The terminal includes a second charging interface and a battery. The second charging interface is coupled with the battery. When the second charging interface is coupled to the first charging interface, the second charging interface applies the voltage of the third pulsating waveform to the battery.
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公开(公告)号：US20180034309A1
公开(公告)日：2018-02-01
申请号：US15725055
申请日：2017-10-04
Inventor： Jialiang Zhang , Shebiao Chen , Jun Zhang , Chen Tian , Shiming Wan , Jiada Li
CPC classification number: H02J7/0093 , H01F27/425 , H01F2027/408 , H01M10/0525 , H02J7/0004 , H02J7/0009 , H02J7/0027 , H02J7/0029 , H02J7/0042 , H02J7/0044 , H02J7/0045 , H02J7/0052 , H02J7/007 , H02J7/0072 , H02J7/008 , H02J7/0091 , H02J7/02 , H02J7/022 , H02J7/04 , H02J7/041 , H02J7/042 , H02J7/045 , H02J7/047 , H02J7/06 , H02J7/1492 , H02J7/245 , H02J2007/0049 , H02J2007/0059 , H02J2007/0095 , H02J2007/0096 , H02J2007/0098 , H02M1/00 , H02M1/08 , H02M3/156 , H02M3/33507 , H02M3/33515 , H02M3/33523 , H02M3/33546 , H02M3/33569 , H02M5/458 , H02M7/06 , H02M2001/0009 , H02M2001/0048 , H04M19/00 , Y02D70/20 , Y02D70/26
Abstract: A charging system, a charging method, and a power adapter are provided. The power adapter includes a first rectification unit, a switch unit, a transformer, a second rectification unit, a first charging interface, a sampling unit, and a control unit. The control unit is configured to output a control signal to the switch unit, and adjust a duty ratio of the control signal based on a voltage sampling value and/or current sampling value sampled by the sampling unit, in which a voltage of a third pulsating waveform output from the second rectification unit meets the charging requirements.
