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公开(公告)号：EP4228134A1
公开(公告)日：2023-08-16
申请号：EP21890725.1
申请日：2021-08-23
发明人： TIAN, Chen , ZHANG, Jialiang , ZHU, Jingpeng , LU, Weiwei , SUN, Juanjuan , SUN, Julu
IPC分类号： H02M1/42
摘要： Disclosed in embodiments of the present application are a power supply, a power supply method, and a computer storage medium. The power supply comprises a rectifier circuit and a valley-fill circuit, wherein the rectifier circuit is used for voltage transformation of an input AC voltage to obtain a first pulsating DC voltage; the valley-fill circuit comprises at least one energy storage capacitor and is used for storing energy by means of the at least one energy storage capacitor when the first pulsating DC voltage output by the rectifier circuit is in a first preset range and when the first pulsating DC voltage output by the rectifier circuit is lower than a preset threshold, providing energy by means of the at least one energy storage capacitor to increase the valley voltage of the first pulsating DC voltage, such that the stability of the output voltage can be ensured by using a capacitor valley-fill technology, in addition, the circuit is simple, the reliability is high, and the volume of the power supply can be reduced.
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公开(公告)号：EP4120538A1
公开(公告)日：2023-01-18
申请号：EP21766928.2
申请日：2021-02-26
发明人： JIANG, Senlong , CHIU, CHIH-WEI , ZHANG, Jialiang , TIAN, Chen , ZHANG, Jun
IPC分类号： H02M3/335
摘要： Disclosed in the embodiments of the present application is a power conversion circuit, comprising a direct current conversion circuit, a pulse width control circuit, and a transformer. The transformer comprises a primary transformer coil and a secondary transformer coil. The direct current conversion circuit is connected to the primary transformer coil, and is used for adjusting an initial voltage inputted to the direct current conversion circuit to a target voltage. The pulse width control circuit is connected to the primary transformer coil, and is used for generating a pulse square wave on the basis of the target voltage. The primary transformer coil is coupled with the secondary transformer coil. The primary transformer coil is used for generating an electromagnetic filed according to the pulse square wave, and coupling the electromagnetic field to the secondary transformer coil so that the secondary transformer coil generates an output voltage.
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公开(公告)号：EP4113817A1
公开(公告)日：2023-01-04
申请号：EP21768051.1
申请日：2021-03-01
发明人： JIANG, Senlong , CHIU, Chih-wei , ZHANG, Jialiang , TIAN, Chen , ZHANG, Jun
IPC分类号： H02M3/335
摘要： a power supply circuit and a charging device are provided. A power supply circuit includes a rectifier circuit, configured to convert an alternating current inputted to the rectifier circuit into a direct current; a primary power supply conversion circuit having an input end connected with an output end of the rectifier circuit, configured to convert an input voltage of the primary power supply conversion circuit out of a preset voltage range into an output voltage of the primary power supply conversion circuit within the preset voltage range; a secondary power supply conversion circuit having an input end connected with an output end of the primary power supply conversion circuit, configured to convert a direct current voltage outputted by the primary power supply conversion circuit into a target direct current voltage; wherein, a lower limit of the preset voltage range is greater than a minimum working voltage of the secondary power supply conversion circuit. The disclosure can improve the stability of the output power supply of the charging device.
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公开(公告)号：EP3985835A1
公开(公告)日：2022-04-20
申请号：EP21213456.3
申请日：2015-09-22
发明人： TIAN, Chen , ZHANG, Jialiang
摘要： The present disclosure provides a charge control method and device (500) and an electronic device (300; 600), applied in the electronic device, in which the electronic device includes a charging interface, a charging circuit and a battery coupled in series. The method includes: when a charging device is coupled with the charging interface, determining (S410), by a charge control device, a charging mode supported by the charging device as the high voltage charging mode or the low voltage charging mode, in which a charging voltage of the high voltage charging mode is greater than a charging voltage of the low voltage charging mode; controlling (S420) the charging circuit by the charge control device according to the charging mode supported by the charging device, such that the charging circuit charges the battery in the charging mode supported by the charging device.
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公开(公告)号：EP3940918A1
公开(公告)日：2022-01-19
申请号：EP21195275.9
申请日：2016-01-05
发明人： TIAN, Chen , ZHANG, Jialiang
摘要： In embodiments of the present disclosure, after a mobile terminal recognizes a type of a power adapter, the mobile terminal transmits indication information to the power adapter. The indication information is configured to indicate that the mobile terminal has recognized the type of the power adapter and instruct the power adapter to activate a quick charging process. The power adapter then negotiates with the mobile terminal via the quick charging process to determine charging parameters, and charges a battery of the mobile terminal in a multi-stage constant current mode, which guarantees security of the quick charging process.
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公开(公告)号：EP3832845A1
公开(公告)日：2021-06-09
申请号：EP21154573.6
申请日：2017-09-05
发明人： ZHANG, Jialiang , WAN, Shiming , LI, Jiada , ZHANG, Jun , TIAN, Chen , CHEN, Shebiao
IPC分类号： H02J7/00
摘要： A terminal (10) is provided, which comprises a charging interface (11), a first charging circuit (12) coupled with the charging interface and receives an output voltage from an adapter and applies the output voltage to both ends of multiple cells (13) connected in series in the terminal to charge the multiple cells, and a second charging circuit (61) that comprises a step-up circuit (62), the step-up circuit coupled with the charging interface and with the multiple cells, the step-up circuit receives the output voltage of the adapter via the charging interface, steps up the output voltage of the adapter to a second voltage, and applies the second voltage to both ends of the multiple cells for charging, wherein the first charging circuit is operable in a quick charging mode, the second charging circuit is operable in a normal charging mode, and the terminal further comprises a control unit (71) performing two-way communication with the adapter to determine a charging mode, and switching between the first charging circuit and the second charging circuit upon determining whether the terminal will be charged with the quick or normal charging mode.
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公开(公告)号：EP3206279B1
公开(公告)日：2020-11-11
申请号：EP15897377.6
申请日：2015-12-16
发明人： TIAN, Chen , ZHANG, Jialiang
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公开(公告)号：EP3561990B1
公开(公告)日：2020-11-04
申请号：EP17803764.4
申请日：2017-02-24
发明人： ZHANG, Jialiang , WAN, Shiming , TIAN, Chen , CHEN, Shebiao , LI, Jiada , ZHANG, Jun
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公开(公告)号：EP3726925A1
公开(公告)日：2020-10-21
申请号：EP20179359.3
申请日：2015-09-24
发明人： TIAN, Chen , ZHANG, Jialiang , ZHANG, Jun
IPC分类号： H04W88/02 , H02J7/00 , H04L29/08 , H04W4/00 , H04L12/24 , H04L12/40 , H04M1/725 , H04L29/06 , H04W4/50
摘要： A mobile terminal, a power adapter, and an upgrade method are disclosed. The method includes: downloading software upgrade information of the power adapter by a mobile terminal, the software upgrade information being upgrade software of the power adapter; and transmitting the software upgrade information to a processor of the power adapter by the mobile terminal through a data line in a charging port during a process that the mobile terminal is connected to the power adapter through the charging port to facilitate the processor to upgrade the software of the power adapter according to the software upgrade information. The mobile terminal downloads the software upgrade information, and the most updated software upgrade information is transmitted to the power adapter during the process that the mobile terminal connects to the power adapter, the power adapter is upgraded to solve the problem that the power adapter is difficult to upgrade.
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公开(公告)号：EP3719952A1
公开(公告)日：2020-10-07
申请号：EP18936517.4
申请日：2018-10-12
发明人： TIAN, Chen
IPC分类号： H02J7/00
摘要： Embodiments of the present disclosure disclose a charging method, a terminal and a computer storage medium. The charging method includes: detecting a battery to obtain a battery charging parameter after turning on a fast charging function; determining whether an abnormal charging occurs according to the battery charging parameter; and turning off the fast charging function in response to determining that the abnormal charging occurs.
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