Charging method and battery pack
    1.
    发明授权

    公开(公告)号:US11811029B2

    公开(公告)日:2023-11-07

    申请号:US17540579

    申请日:2021-12-02

    Inventor: Chien-Wen Chen

    CPC classification number: H01M10/48

    Abstract: A charging method and a battery pack are provided. The charging method for charging multiple cells of the battery pack include steps of: charging the cells of the battery pack using a charging voltage, and detecting a voltage difference ΔVTDV between the cells, wherein a value of the charging voltage is a rated charging voltage value; and obtaining a new charging voltage value smaller than the rated charging voltage value according to the voltage difference ΔVTDV between the cells, and decreasing the charging voltage to the new charging voltage value for charging the cells.

    STATE ESTIMATION METHOD AND A BATTERY PACK

    公开(公告)号:US20220299570A1

    公开(公告)日:2022-09-22

    申请号:US17398657

    申请日:2021-08-10

    Inventor: Je-Feng LI

    Abstract: This disclosure provides a state estimation method and a battery pack. The method includes: obtaining aging factor data, predetermined discharge data and predetermined capacity loss changing data; recording measured discharge data of a to-be-measured battery; calculating to obtain discharge voltage difference data according to the predetermined discharge data and the measured discharge data; determining a specific interval Sa according to the discharge voltage difference data, and obtaining a voltage difference statistical value ΔV2,Stats in the specific interval Sa; calculating an estimation capacity loss ΔQD of the to-be-measured battery according to the aging factor data and the voltage difference statistical value ΔV2,Stats; and determining whether the to-be-measured battery is abnormal or not according to the predetermined capacity loss changing data and the estimation capacity loss ΔQD.

    METHOD OF DETERMINING AN AGING LEVEL OF A BATTERY

    公开(公告)号:US20210293891A1

    公开(公告)日:2021-09-23

    申请号:US17140112

    申请日:2021-01-03

    Inventor: Yi-Ren Guo

    Abstract: A method of determining an aging level of a battery includes utilizing a first charging device to charge a first battery; utilizing a second obtaining device to obtain a plurality of first steady open-circuit voltages (OCVs) of the first battery when a charging state of the first battery respectively reaches a plurality of first stop-charge conditions; utilizing a second charging device to charge a second battery; utilizing a third obtaining device to obtain a stop-charge parameter of the second battery and a second steady OCV of the second battery corresponding to the stop-charge parameter of the second battery; and utilizing an aging level determining device to determine an aging level of the second battery relative to the first battery according to the second steady OCV of the second battery and one of the first steady OCVs of the first battery corresponding to the stop-charge parameter of the second battery.

    Method for charging a power device of a portable device using a current-adaptive process
    6.
    发明授权
    Method for charging a power device of a portable device using a current-adaptive process 有权
    使用电流自适应过程对便携式设备的功率器件进行充电的方法

    公开(公告)号:US09438055B2

    公开(公告)日:2016-09-06

    申请号:US14472389

    申请日:2014-08-29

    CPC classification number: H02J7/0052 H02J7/007 Y02B40/90

    Abstract: In the charging process of a power device of a portable device, a control unit or firmware of the power device dynamically acquires the status of the charging current and the charging voltage, and by incrementing the charging current, the power device correctly obtains maximum charging current affordable by a charger without overly drawing the current from the charger that causes overly low charging voltage. Such current-adaptive charging process optimizes the charging process.

    Abstract translation: 在便携式设备的功率器件的充电过程中,功率器件的控制单元或固件动态地获取充电电流和充电电压的状态,并且通过增加充电电流,功率器件正确地获得最大充电电流 由充电器负担得起,而不会过度地从充电器中抽出导致过充电电压的电流。 这种电流自适应充电过程优化了充电过程。

    Battery balancing circuit and balancing method thereof and battery activation method
    7.
    发明授权
    Battery balancing circuit and balancing method thereof and battery activation method 有权
    电池平衡电路及其平衡方法及电池的激活方法

    公开(公告)号:US08643334B2

    公开(公告)日:2014-02-04

    申请号:US13236957

    申请日:2011-09-20

    CPC classification number: H02J7/0018 H02J7/0019

    Abstract: Disclosed is a battery balancing circuit for balancing the voltages of a reference battery module and a detachable battery apparatus, which has a load channel, a charging-discharging channel, a MCU and a charging-discharging control circuit. The reference battery module and detachable battery apparatus are connected in parallel. The load channel is connected to the reference battery module. The charging-discharging channel is disconnected from the reference battery module. The load and charging-discharging channels are connected to the detachable battery apparatus respectively through a first and a second switches. When the voltage of the detachable battery apparatus is higher or lower than a threshold value, the MCU controls the first and second switches, such that the detachable battery apparatus is connected to the charging-discharging control circuit through the charging-discharging channel and disconnected from the load channel. Then the MCU charges or discharges the detachable battery apparatus through the charging-discharging control circuit.

    Abstract translation: 公开了一种用于平衡参考电池模块和具有负载沟道,充电放电通道,MCU和充电放电控制电路的可拆卸电池装置的电压的电池平衡电路。 参考电池模块和可拆卸电池装置并联连接。 负载通道连接到参考电池模块。 充电放电通道与参考电池模块断开连接。 负载和充放电通道分别通过第一和第二开关连接到可拆卸电池装置。 当可拆卸电池装置的电压高于或低于阈值时,MCU控制第一和第二开关,使得可拆卸电池装置通过充电 - 放电通道连接到充放电控制电路, 负载通道。 然后,MCU通过充放电控制电路对可拆卸电池装置进行充电或放电。

    Voltage detection circuit and method thereof
    8.
    发明授权
    Voltage detection circuit and method thereof 失效
    电压检测电路及其方法

    公开(公告)号:US08427132B2

    公开(公告)日:2013-04-23

    申请号:US12862288

    申请日:2010-08-24

    CPC classification number: G01R31/3658

    Abstract: A voltage detection circuit comprises a plurality of even-number voltage detection nodes, at least one odd-number voltage detection node, a voltage differential generation circuit, a selection circuit and a computing circuit. The selection circuit is for controlling the coupling relationship between the voltage differential generation circuit and the even and odd-number voltage detection nodes, so that the voltage differential generation circuit generates a voltage differential between the nodes. The computing circuit knows a voltage of a first even-number voltage detection node being as a reference voltage or obtains the voltage of the first even-number voltage detection node on the basis of the reference voltage, and respectively obtains a voltage of the nodes on the basis of the voltage differential between two adjacent nodes and the obtained voltage of a first even-number voltage detection node.

    Abstract translation: 电压检测电路包括多个偶数电压检测节点,至少一个奇数电压检测节点,电压差分发生电路,选择电路和计算电路。 选择电路用于控制电压差分发生电路和偶数和奇数电压检测节点之间的耦合关系,使得差分电路产生电路在节点之间产生电压差。 计算电路知道第一偶数电压检测节点的电压作为参考电压,或者基于参考电压获得第一偶数电压检测节点的电压,并分别获得节点的电压 两个相邻节点之间的电压差的基础和所获得的第一偶数电压检测节点的电压。

    BATTERY BALANCING CIRCUIT AND BALANCING METHOD THEREOF AND BATTERY ACTIVATION METHOD
    9.
    发明申请
    BATTERY BALANCING CIRCUIT AND BALANCING METHOD THEREOF AND BATTERY ACTIVATION METHOD 有权
    电池平衡电路及其平衡方法及电池激活方法

    公开(公告)号:US20120262121A1

    公开(公告)日:2012-10-18

    申请号:US13236957

    申请日:2011-09-20

    CPC classification number: H02J7/0018 H02J7/0019

    Abstract: Disclosed is a battery balancing circuit for balancing the voltages of a reference battery module and a detachable battery apparatus, which has a load channel, a charging-discharging channel, a MCU and a charging-discharging control circuit. The reference battery module and detachable battery apparatus are connected in parallel. The load channel is connected to the reference battery module. The charging-discharging channel is disconnected from the reference battery module. The load and charging-discharging channels are connected to the detachable battery apparatus respectively through a first and a second switches. When the voltage of the detachable battery apparatus is higher or lower than a threshold value, the MCU controls the first and second switches, such that the detachable battery apparatus is connected to the charging-discharging control circuit through the charging-discharging channel and disconnected from the load channel. Then the MCU charges or discharges the detachable battery apparatus through the charging-discharging control circuit.

    Abstract translation: 公开了一种用于平衡参考电池模块和具有负载沟道,充电放电通道,MCU和充电放电控制电路的可拆卸电池装置的电压的电池平衡电路。 参考电池模块和可拆卸电池装置并联连接。 负载通道连接到参考电池模块。 充电放电通道与参考电池模块断开连接。 负载和充放电通道分别通过第一和第二开关连接到可拆卸电池装置。 当可拆卸电池装置的电压高于或低于阈值时,MCU控制第一和第二开关,使得可拆卸电池装置通过充电 - 放电通道连接到充放电控制电路, 负载通道。 然后,MCU通过充放电控制电路对可拆卸电池装置进行充电或放电。

    Battery cell and electronic apparatus with electrostatic discharge protection
    10.
    发明授权
    Battery cell and electronic apparatus with electrostatic discharge protection 失效
    具有静电放电保护的电池和电子设备

    公开(公告)号:US08284537B2

    公开(公告)日:2012-10-09

    申请号:US12849201

    申请日:2010-08-03

    Applicant: Chien-Wen Chen

    Inventor: Chien-Wen Chen

    CPC classification number: H05K1/0259 H05K2201/10037 H05K2201/10969

    Abstract: An electronic apparatus with electrostatic discharge protection includes: a conducting casing and a circuit board. The circuit board has a power ground node and a conditional conducting path, and is set inside the conducting casing. The conditional conducting path further includes: a conducting element and an electrostatic discharging component. One end of the conducting element is electrically connected to the conducting casing, and the electrostatic discharging component is electrically connected between another end of the conducting element and the power ground node. When the voltage variation between the two ends of the electrostatic discharging element reaches a preset condition, the electrostatic discharging component functions as a short circuit; otherwise, the electrostatic discharging element is equivalent to a high impedance element. The power ground node electrically connects to an electrode of a battery for using it as a vessel of receiving electrostatic charges.

    Abstract translation: 具有静电放电保护的电子设备包括:导电壳体和电路板。 电路板具有电源接地节点和条件导电路径,并设置在导电壳体的内部。 条件导电路径还包括:导电元件和静电放电元件。 导电元件的一端电连接到导电壳体,静电放电元件电连接在导电元件的另一端与电源接地节点之间。 当静电放电元件的两端之间的电压变化达到预设状态时,静电​​放电元件用作短路; 否则,静电放电元件相当于高阻抗元件。 电源接地节点电连接到电池的电极,以将其用作接收静电电荷的容器。

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