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    • 34. 发明申请
    • BATTERY OVERHEATING PROTECTION CIRCUIT
    • 电池过热保护电路
    • US20090051326A1
    • 2009-02-26
    • US12189809
    • 2008-08-12
    • HAN-CHE WANGXIN ZHAOHONG-SHENG OUYANGXIAO-GUANG LISHIN-HONG CHUNG
    • HAN-CHE WANGXIN ZHAOHONG-SHENG OUYANGXIAO-GUANG LISHIN-HONG CHUNG
    • H02J7/04
    • H02J7/0031
    • A battery overheating protection circuit includes a thermal resistor samples the temperature of the battery and converts the temperature into a temperature voltage, a comparison circuit compares the temperature voltage with a reference voltage for judging whether the temperature of the battery is higher than the maximum reference temperatures temperature or not. If yes, the comparison circuit outputs a protection signal to drive a charging module to stop charging the battery in the charging process, and to cut off the conducting path to draw power from the battery in the discharging process. The present invention sets two different maximum reference temperatures during charging process and discharging process by a reference voltage module, which makes the maximum allowable discharging temperature is higher than the maximum allowable charging temperature.
    • 电池过热保护电路包括热电阻器对电池的温度进行取样并将温度转换成温度电压,比较电路将温度电压与参考电压进行比较,以判断电池的温度是否高于最大参考温度 温度不是。 如果是,则比较电路输出保护信号以驱动充电模块,以在充电过程中停止对电池充电,并且在放电过程中切断导电路径以从电池中吸取电力。 本发明通过参考电压模块在充电过程和放电过程期间设置两个不同的最大参考温度,这使得最大允许放电温度高于最大允许充电温度。
    • 35. 发明申请
    • ELECTRONIC DEVICE CAPABLE OF AUTOMATICALLY SELECTING A POWER SOURCE
    • 可自动选择电源的电子设备
    • US20090039709A1
    • 2009-02-12
    • US12175440
    • 2008-07-17
    • HAN-CHE WANGXIN ZHAOHONG-SHENG OUYANGXIAO-GUANG LISHIN-HONG CHUNG
    • HAN-CHE WANGXIN ZHAOHONG-SHENG OUYANGXIAO-GUANG LISHIN-HONG CHUNG
    • H02J1/00
    • H02J7/0063H02J1/108Y10T307/696
    • An exemplary electronic device capable of automatically selecting a power source includes two power ports configured to connect to external power sources and a battery compartment configured to receive a battery module. The voltage of the battery module is higher than at least one of the external power sources. The electronic device further includes a power selection module allocated between the battery module and the power port which selects the lower voltage. Three diodes are respectively located on the output path of the three power sources. A path switch that controls whether power to the device comes from the battery compartment or a power port is located between the anode of the battery compartment and the diode located on the output path of the battery module. Among the multiple power sources, the external power source providing a higher voltage is the first to be chosen to power the electronic device.
    • 能够自动选择电源的示例性电子设备包括被配置为连接到外部电源的两个电源端口和被配置为接收电池模块的电池室。 电池模块的电压高于至少一个外部电源。 电子设备还包括分配在电池模块和选择较低电压的电源端口之间的电源选择模块。 三个二极管分别位于三个电源的输出路径上。 一个路径开关,用于控制设备的电源是从电池盒还是电源端口位于电池盒的阳极和位于电池模块的输出路径上的二极管之间。 在多个电源中,提供较高电压的外部电源首先被选择为电子设备供电。