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公开(公告)号：US20230198371A1
公开(公告)日：2023-06-22
申请号：US18148081
申请日：2022-12-29
发明人： Chen TIAN , Jingpeng ZHU , Jialiang ZHANG , Ming XU
CPC分类号： H02M1/0067 , H02J7/00711 , H02J7/02 , H02J7/00712 , H02M3/01 , H02M3/33573 , H02M3/1582 , H02J2207/20
摘要： A power supply device, includes a rectifier circuit configured to perform rectification on alternating-current power to obtain a first pulsating direct-current voltage, a first-stage conversion circuit connected to the rectifier circuit and configured to perform isolation conversion on the first pulsating direct-current voltage to thereby obtain a second pulsating direct-current voltage; a second-stage conversion circuit connected to the first-stage conversion circuit and configured to convert the second pulsating direct-current voltage into a stable direct-current voltage; and a valley-fill circuit connected to the rectifier circuit and the first-stage conversion circuit individually, wherein the valley-fill circuit is configured to supply, in response to a voltage value of the first pulsating direct-current being less than a first voltage threshold, electrical power to an input of the first-stage conversion circuit to thereby increase a valley voltage of the first pulsating direct-current voltage.
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公开(公告)号：US20190356150A1
公开(公告)日：2019-11-21
申请号：US16310955
申请日：2017-03-30
发明人： Xinfeng CHEN , Chen TIAN , Jialiang ZHANG
摘要： The present disclosure provides a charging system, a terminal, a power adapter and a charging line. The terminal includes a first controller and M charging input interfaces. The power adapter includes a second controller and N charging output interfaces. When at least one of the N charging output interface is coupled to the charging input interfaces of the terminal, the second controller and the first controller communicate with each other to determine the number of charging output interfaces of the power adapter coupled to the terminal, and a charging current outputted from the power adapter to the terminal is adjusted according to the number of charging output interfaces of the power adapter coupled to the terminal.
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3.发明申请公开(公告)号：US20190334369A1
公开(公告)日：2019-10-31
申请号：US16502177
申请日：2019-07-03
发明人： Chen TIAN , Jialiang ZHANG
IPC分类号： H02J7/02 , G01R31/3842 , H02J7/06 , H02M3/335 , H02J7/00 , H02J7/04 , H01M10/44 , H01M10/42 , H01M10/0525 , H02M7/06 , H02M7/04 , H02M5/04 , H02M1/44 , H02M1/08 , H02M7/217
摘要： Provided are a charging system, a protection method and a power adapter. The charging system comprises: a battery, a first rectification unit, a switch unit, a transformer, a second rectification unit), a voltage sampling circuit, a control unit, and a comparator unit. The first rectification unit outputs the voltage with the first pulsating waveform. The switch unit outputs the modulated voltage with the first pulsating waveform. The transformer outputs the voltage with the second pulsating waveform. The second rectification unit outputs the voltage with the third pulsating waveform. The control unit adjusts a duty cycle of a control signal, such that the voltage of a third pulsation waveform meets the charging requirement of the battery. The comparator unit applies a comparison signal to the switch unit when the voltage sampling value is greater than the reference voltage value, so as to control the switch unit to forcibly open.
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公开(公告)号：US20190280515A1
公开(公告)日：2019-09-12
申请号：US16415479
申请日：2019-05-17
发明人： Chen TIAN , Jialiang ZHANG
摘要： Provided are a power supply circuit, a power supply device and a control method. The power supply circuit includes a primary rectifier unit, a modulation unit, a transformer, a secondary rectifier and filtering unit, and a control unit. In the power supply circuit, a liquid electrolytic capacitor at a primary side is removed, such that a volume of the power supply circuit is smaller, and is safe to use. Moreover, an output current of the power supply circuit has a periodically changing current value, and the control unit can control the duration of the output current in which the current value is 0.
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公开(公告)号：US20190197010A1
公开(公告)日：2019-06-27
申请号：US16250531
申请日：2019-01-17
发明人： Chen TIAN , Fuchun LIAO , Jialiang ZHANG , Jun ZHANG
CPC分类号： G06F13/4286 , G06F8/65 , G06F9/455 , G06F13/4022
摘要： A data transmission method and a mobile terminal include taking bytes of data in universal asynchronous receiver/transmitter (UART) format generated by a mobile terminal, simulating UART ports via GPIO ports of a processor of the mobile terminal, and transmitting the bytes of data in UART format divided in batches to a receiving terminal via the GPIO ports. In transmitting the bytes of data in UART format in divided batches to the receiving terminal via the GPIO ports, the processor of the mobile terminal is in a locked state. The processor is in an unlocked state between two adjacent batches of the data transmitting.
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公开(公告)号：US20180331560A1
公开(公告)日：2018-11-15
申请号：US15561880
申请日：2017-01-07
发明人： Chen TIAN , Jialiang ZHANG
摘要： Disclosed are an adapter and a charging control method. The adapter includes a power conversion unit, a sampling and holding unit, and a current collecting and controlling unit. The power conversion unit is configured to convert input alternating current to obtain output voltage and output current, in which the output current is first current with first pulsating waveform. The sampling and holding unit is configured to sample the first current when the sampling and holding unit is in a sampling state, and to hold a peak value of the first current when the sampling and holding unit is in a holding state. The current collecting and controlling unit is configured to determine whether the sampling and holding unit is in the holding state, and to collect the peak value of the first current when the sampling and holding unit is in the holding state.
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7.发明申请公开(公告)号：US20180183262A1
公开(公告)日：2018-06-28
申请号：US15573445
申请日：2017-01-07
发明人： Chen TIAN , Jialiang ZHANG
CPC分类号： H02J7/027 , G01R31/3842 , H01M10/0525 , H01M10/425 , H01M10/44 , H01M2010/4271 , H02J7/0029 , H02J7/0031 , H02J7/0052 , H02J7/007 , H02J7/008 , H02J7/0093 , H02J7/022 , H02J7/04 , H02J7/041 , H02J7/045 , H02J7/047 , H02J7/06 , H02J2007/0039 , H02J2007/0059 , H02J2007/0062 , H02J2007/0096 , H02J2007/0098 , H02J2007/10 , H02M1/08 , H02M1/44 , H02M3/335 , H02M3/33507 , H02M3/33523 , H02M3/33569 , H02M3/33576 , H02M3/33592 , H02M5/04 , H02M7/04 , H02M7/06 , H02M7/217 , H02M2001/0009
摘要： A charging system, a surge voltage protection method when charging a terminal (2) and a power adapter (1), wherein the charging system comprises: a power adapter (1) and a terminal (2). The power adapter (1) comprises: a first rectifying unit (101), a switching unit (102), a transformer (103), a second rectifying unit (104), a first charging port (105), a second voltage sampling circuit (114), a control unit (107), and a comparing unit (115); the control unit (107) adjusts a duty cycle of a control signal, such that the voltage of a third pulsation waveform outputted from the second rectifying unit (104) satisfies charging needs; the comparing unit (115) applies a comparison signal to the switching unit (102) when a sampled voltage is greater than a reference voltage, so as to control the switching unit (102) to enforce forcible turn-on. The terminal (2) comprises a second charging port (201) and a battery (202); the second charging port (201) and the battery (202) are connected; when the second charging port (201) is connected to the first charging port (105), the second charging port (201) applies the voltage of the third pulsation waveform to the battery (202), such that the voltage of a pulsation waveform which is outputted by the power adapter (1) is directly applied to the battery (202), thus implementing safety protection against lightning.
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公开(公告)号：US20180076636A1
公开(公告)日：2018-03-15
申请号：US15803506
申请日：2017-11-03
发明人： Jialiang ZHANG , Chen TIAN , Jun ZHANG , Shebiao CHEN , Shiming WAN , Jiada LI
IPC分类号： H02J7/00
CPC分类号： H02M1/00 , 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 , H02J7/045 , H02J7/047 , H02J7/06 , H02J7/1492 , H02J7/245 , H02J2007/0049 , H02J2007/0059 , H02J2007/0095 , H02J2007/0096 , H02J2007/0098 , 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
摘要： The present disclosure discloses a charging system and 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 synthesizing unit, 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 a current sampling value and/or a voltage sampling value, such that a second alternating current outputted by the synthesizing unit meets a charging requirement. The terminal includes a battery.
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公开(公告)号：US20180034296A1
公开(公告)日：2018-02-01
申请号：US15657572
申请日：2017-07-24
发明人： Jialiang ZHANG , Chen TIAN , Jun ZHANG , Shebiao CHEN , Shiming WAN , Jiada LI
CPC分类号： H02J7/0044 , G01R31/3842 , H02J7/0029 , H02J7/0052 , H02J7/007 , H02J7/022 , H02J2007/0096 , H02M3/33507 , H02M3/33523 , H02M3/33538
摘要： 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：US20170346314A1
公开(公告)日：2017-11-30
申请号：US15606060
申请日：2017-05-26
发明人： Chen TIAN , Jialiang ZHANG
IPC分类号： H02J7/00
CPC分类号： H02J7/0029 , H02J7/0077 , H02J7/0091 , H02J2007/0037 , H02J2007/0039 , H02J2007/004
摘要： Embodiments of the present disclosure provide a battery protection board, a battery and a mobile terminal. The battery protection board includes a first protection circuit, a current sensing element and a battery voltmeter. The first protection circuit is configured to control the charge and discharge circuit to turn on or off. The current sensing element is configured to be coupled to the charge and discharge circuit in series. The battery voltmeter is coupled to the current sensing element and configured to detect a voltage drop generated by an impedance of the current sensing element and to determine an electric quantity of the battery according to the voltage drop. The embodiments of the present disclosure not only reduces the number of elements in the battery protection board thereby saving an area and cost of the battery protection board, but also reduces a failure rate of the battery protection board.
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