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1. 发明授权

US10461561B2 Battery charging apparatus and battery charging protection control method 有权
公开(公告)号：US10461561B2
公开(公告)日：2019-10-29
申请号：US15115251
申请日：2014-05-14
申请人： GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
发明人： Jialiang Zhang , Kewei Wu , Wenqiang Cheng , Yuanxiang Hu
IPC分类号： H02J7/00
摘要： The present disclosure provides a battery charging apparatus and a battery charging protection control method. A power adapter in the battery charging apparatus performs data communication with a charging control circuit; when the power adapter determines that overvoltage and/or overcurrent occurs in the direct current output by a communication interface of the power adapter, the power adapter notifies the charging control circuit to drive a controller in the electronic device to switch off a communication interface of the electronic device and switches off the direct current output automatically; when the charging control circuit; determines that overvoltage and/or overcurrent occurs upon receiving output voltage and output current of the power adapter, the charging control circuit notifies the power adapter to switch off the direct current output and drives the controller in the electronic device to switch off the communication interface of the electronic device.

2. 发明授权

US10291050B2 Charging control apparatus and method for electronic device 有权
公开(公告)号：US10291050B2
公开(公告)日：2019-05-14
申请号：US15114990
申请日：2014-05-06
申请人： GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
发明人： Jialiang Zhang , Kewei Wu , Jun Zhang , Dashuai Huang , Yuanxiang Hu
IPC分类号： H02J7/00 , H02J7/04 , H02M1/44 , H02M7/04 , H02M1/00
摘要： A charging control apparatus and method for an electronic device are provided. During a process of charging, the power adapter first charges the battery with a constant-voltage direct current output, and then after the power adapter receives a quick-charging instruction, the power adapter adjusts an output voltage according to the voltage of the battery fed back by the charging control circuit, and if the output voltage meets a quick-charging voltage condition pre-set by the charging control circuit, the power adapter adjusts an output current and the output voltage respectively according to a preset quick-charging current value and a preset quick-charging voltage value for quick-charging the battery, and meanwhile the charging control circuit introduces direct current from the power adapter for charging the battery; during a process of quick-charging, the power adapter adjusts the output current in real time according to the output voltage thereof and the voltage of the battery.

3. 发明授权

US10224734B2 Charging system 有权
公开(公告)号：US10224734B2
公开(公告)日：2019-03-05
申请号：US15114870
申请日：2014-05-14
申请人： GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
发明人： Jialiang Zhang , Fengshuo Liu , Biao Chen , Kewei Wu
IPC分类号： H02J7/00 , H02J7/02 , H02J7/08
摘要： The present invention provides a charging system that includes a charging adapter and a mobile terminal. The charging adapter includes: a second USB interface; and an adjusting circuit for rectifying and filtering the mains supply to obtain an original power signal, for performing a voltage adjustment on the original power signal, and for outputting a power signal after the voltage adjustment. The mobile terminal includes a first USB interface. P first power wires in the first USB interface and P second power wires in the second USB interface are correspondingly coupled, and Q first ground wires in the first USB interface and Q second ground wires in the second USB interface are correspondingly coupled. Because each first power wire and a corresponding second power wire are coupled, at least two charging circuits can be provided, and the charging system supports charging with a large current more than 3 A.

4. 发明授权

US10193368B2 Charging control apparatus and method for electronic device 有权
公开(公告)号：US10193368B2
公开(公告)日：2019-01-29
申请号：US15961739
申请日：2018-04-24
申请人： GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
发明人： Jialiang Zhang , Kewei Wu , Jun Zhang , Dashuai Huang , Yuanxiang Hu
IPC分类号： H02J7/00 , H02J7/04 , H02M1/44 , H02M7/04 , H02M1/00
摘要： A charging control apparatus and method for an electronic device are provided. During a process of charging, the power adapter first charges the battery with a constant-voltage direct current output, and then after the power adapter receives a quick-charging instruction, the power adapter adjusts an output voltage according to the voltage of the battery fed back by the charging control module, and if the output voltage meets a quick-charging voltage condition pre-set by the charging control module, the power adapter adjusts an output current and the output voltage respectively according to a preset quick-charging current value and a preset quick-charging voltage value for quick-charging the battery, and meanwhile the charging control module introduces direct current from the power adapter for charging the battery; during a process of quick-charging, the power adapter adjusts the output current in real time according to the output voltage thereof and the voltage of the battery.

5. 发明申请

US20190020205A1 CHARGING CONTROL METHOD AND CHARGING DEVICE 审中-公开
公开(公告)号：US20190020205A1
公开(公告)日：2019-01-17
申请号：US16136545
申请日：2018-09-20
申请人： GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
发明人： Jialiang Zhang , Kewei Wu , Jun Zhang , Liangcai Peng , Fuchun Liao
IPC分类号： H02J7/00
摘要： A quick-charging control method and system are suitable for mobile terminals. The method includes: a first controller obtaining a voltage value of a cell, and sending the voltage value to a second controller; the second controller searching a threshold segment table to find a current regulation instruction matched with a threshold segment containing the voltage value of the cell, and sending the current regulation instruction to a regulation circuit; the regulation circuit performing a current regulation according the current regulation instruction, and outputting a power signal; the second controller sending a second switch-off instruction to the first controller and a second switch circuit respectively if second abnormal charging information is detected; and the second switch circuit, controlling the charging adapter to stop sending the power signal after the current regulation if the second switch circuit receives the second switch-off instruction.

6. 发明申请

US20160352115A1 QUICK-CHARGING CONTROL METHOD AND SYSTEM 审中-公开
标题翻译：快速充电控制方法与系统
公开(公告)号：US20160352115A1
公开(公告)日：2016-12-01
申请号：US15114961
申请日：2014-05-15
申请人： GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
发明人： Jialiang Zhang , Kewei Wu , Jun Zhang , Liangcai Peng , Fuchun Liao
IPC分类号： H02J7/00
CPC分类号： H02J7/0029 , H02J7/0031 , H02J7/0045 , H02J7/007
摘要： A quick-charging control method and system suitable for the field of mobile terminals. The method comprises: (S1) a first controller (11) obtaining a voltage value of a cell by means of a cell connector, and sending the obtained voltage value to a second controller (21); (S2) the second controller finding a current regulation instruction matching a threshold section that the voltage value falls within from a threshold section table, and sending a current regulation instruction to a regulation circuit (22); (S3) the regulation circuit regulating a current according the current regulation instruction, and outputting a power supply signal of which the current is regulated; (S4) when the second controller detects second exceptional charging information, the second controller separately sending a second shutoff instruction to the first controller and a second switch circuit (23); and (S5) when the second switch circuit receives the second shutoff instruction, the second switch circuit stopping a charging adapter (2) to output a power supply signal of which the current is regulated. In this manner, a charging current flowing into a cell can be regulated in real time, so that the overcharging of the cell is avoided; in addition, when a charging exception occurs, a charging adapter is stopped in time from charging a cell of a mobile terminal (1).
摘要翻译：适用于移动终端领域的快速充电控制方法和系统。该方法包括：（S1）第一控制器（11），通过单元连接器获得单元的电压值，并将获得的电压值发送到第二控制器（21）; （S2），所述第二控制器从阈值部分表中找到与阈值部分匹配的电流调节指令，并将电流调节指令发送到调节电路（22）; （S3）根据电流调节指令调节电流的调节电路，并输出电流被调节的电源信号; （S4）当第二控制器检测到第二异常充电信息时，第二控制器分别向第一控制器发送第二关闭指令和第二开关电路（23）; 和（S5）当第二开关电路接收到第二关断指令时，第二开关电路停止充电适配器（2）输出电流被调节的电源信号。以这种方式，可以实时地调节流入电池的充电电流，从而避免电池的过充电; 此外，当发生充电异常时，从对移动终端（1）的小区充电时，充电适配器在时间上停止。

7. 发明申请

US20160344199A1 CHARGING METHOD AND SYSTEM 审中-公开
标题翻译：充电方法和系统
公开(公告)号：US20160344199A1
公开(公告)日：2016-11-24
申请号：US15114952
申请日：2014-05-09
申请人： GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
发明人： Jialiang Zhang , Kewei Wu , Liangcai Peng , Wenqiang Cheng , Fuchun Liao
IPC分类号： H02J7/00
CPC分类号： H02J7/007 , H02J7/0045 , H02J7/0073 , H02J7/0077 , H02M7/04
摘要： A charging method and system applied to the field of mobile terminals. The charging method comprises: a cell detection circuit acquiring a voltage value of a cell and sending the acquired voltage value of the cell to a second controller; the second controller finding from a threshold value section table a current regulation command that is matched with a threshold value section in which the voltage value of the cell is located, and sending the current regulation command to a regulation circuit, wherein the threshold value section table records one or more threshold value sections and current regulation commands having a mapping relation with the threshold value sections; and the regulation circuit performing current regulation according to the current regulation command, and outputting a power signal after the current regulation. By means of the charging method, the charging current flowing into the cell can be regulated in real time, so that over-charging of the cell can be avoided; a charging circuit in a mobile terminal and a charging circuit in a charging adapter can be protected.
摘要翻译：一种适用于移动终端领域的充电方法和系统。所述充电方法包括：单元检测电路，获取单元的电压值，并将获取的单元电压值发送给第二控制器; 所述第二控制器从阈值部分表发现与所述小区的电压值所在的阈值部分匹配的电流调节指令，并将所述电流调节指令发送到调节电路，其中，所述阈值部分表记录与阈值部分具有映射关系的一个或多个阈值部分和电流调节命令; 调节电路根据电流调节指令进行电流调节，并在电流调节后输出功率信号。通过充电方法，可以实时调节流入电池的充电电流，从而可以避免电池的过充电; 可以保护移动终端中的充电电路和充电适配器中的充电电路。

8. 发明授权

US11283281B2 Charging control apparatus and method for electronic device 有权
公开(公告)号：US11283281B2
公开(公告)日：2022-03-22
申请号：US16361316
申请日：2019-03-22
申请人： GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
发明人： Jialiang Zhang , Kewei Wu , Jun Zhang , Dashuai Huang , Yuanxiang Hu
IPC分类号： H02J7/00 , H02J7/04 , H02M1/44 , H02M7/04 , H02M1/00
摘要： A charging control apparatus and method for an electronic device are provided. During a process of charging, the power adapter first charges the battery with a constant-voltage direct current output, and then after the power adapter receives a quick-charging instruction, the power adapter adjusts an output voltage according to the voltage of the battery fed back by the charging control circuit, and if the output voltage meets a quick-charging voltage condition pre-set by the charging control circuit, the power adapter adjusts an output current and the output voltage respectively according to a preset quick-charging current value and a preset quick-charging voltage value for quick-charging the battery, and meanwhile the charging control circuit introduces direct current from the power adapter for charging the battery; during a process of quick-charging, the power adapter adjusts the output current in real time according to the output voltage thereof and the voltage of the battery.

9. 发明授权

US10439420B2 Charging method, charging adapter and charging system 有权
公开(公告)号：US10439420B2
公开(公告)日：2019-10-08
申请号：US16152350
申请日：2018-10-04
申请人： GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
发明人： Jialiang Zhang , Wenqiang Cheng , Fuchun Liao , Liangcai Peng , Kewei Wu
IPC分类号： H02J7/00 , H02M7/04
摘要： The present disclosure provides a charging method, a charging adapter and a charging system. The charging adapter includes a second controller and an adjusting circuit including a current detection circuit. The second controller is configured to receive a voltage value of a cell, search a threshold range table to obtain a current adjusting instruction. The current detection circuit is configured to detect a current value of a power signal outputted by the adjusting circuit. The second controller is further configured to calculate a difference between the current value detected and a current value specified by the current adjusting instruction, and send a calibration instruction to the adjusting circuit when an absolute value of the difference calculated is greater than a difference threshold. The adjusting circuit is configured to calibrate the power signal according to a current difference specified by the calibration instruction, and output a calibrated power signal.

10. 发明授权

US10186895B2 Terminal and battery charging control device and method thereof for overcurrent and/or overvoltage protection 有权
公开(公告)号：US10186895B2
公开(公告)日：2019-01-22
申请号：US15666881
申请日：2017-08-02
申请人： GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
发明人： Jialiang Zhang , Kewei Wu , Jun Zhang , Fuchun Liao , Yuanxiang Hu
IPC分类号： H02J7/00 , H02H3/00 , H02H3/20 , H02J7/02 , H02J7/04
摘要： The present disclosure relates to the technical field of charging. A terminal and a battery charging control device and method are provided. The battery charging control device including a battery connector, a main control module and a quick charging switch module is adopted. During the regular charging or the quick charging, the main control module performs a data communication with the external power adapter via the communication interface, and obtains a charging voltage and a charging current for the battery; if the charging voltage is greater than a voltage threshold and/or the charging current is greater than a current threshold, the main control module sends a charging switch-off instruction, such that the controller controls the communication interface to switch off; if the charging voltage is less than or equal to the voltage threshold and the charging current is less than or equal to the current threshold, the main control module continues to obtain the charging voltage and the charging current.

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