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    • 6. 发明授权
    • Charge and discharge circuit of secondary battery and battery pack
    • 二次电池和电池组的充放电电路
    • US08610405B2
    • 2013-12-17
    • US12308335
    • 2007-06-14
    • Kazuo YamazakiHidenori TanakaYukihiro TeradaToshio Nagai
    • Kazuo YamazakiHidenori TanakaYukihiro TeradaTamiji Nagai
    • H02J7/00
    • H02J7/0065H02J7/0052H02J2007/0059H02M3/1582
    • A charge and discharge circuit and a battery pack, both capable of voluntarily perform proper switching between a charge operation and a discharge operation of a secondary battery according to various situations, are provided. The charge and discharge circuit of a secondary battery is one capable of charging the secondary battery E2 by a power source voltage and of supplying power from the secondary battery E2 to an external device 3. Then, the charge and discharge circuit includes a bidirectional regulator 10 capable of adjusting an output in both of a charge direction of feeding the current to the side of the secondary battery E2 and a discharge direction of feeding the current from the secondary battery E2 to the side of the external device 3, a charge and discharge detecting circuit 20 for detecting a direction of the current flowing in the secondary battery E2, and a switching control circuit 30 for switching the operation direction of the bidirectional regulator 10 based on the detection of the charge and discharge detecting circuit 20.
    • 提供一种充放电电路和电池组,其能够根据各种情况自愿地进行充电操作和二次电池的放电操作之间的适当切换。 二次电池的充放电电路是能够通过电源电压对二次电池E2进行充电并且从二次电池E2向外部装置3供电的充电和放电电路。然后,充放电电路包括双向调节器10 能够调节向二次电池E2的一侧供电的充电方向和从二次电池E2向外部装置3侧供电的放电方向的输出;充放电检测 电路20,用于检测在二次电池E2中流动的电流的方向;以及开关控制电路30,用于根据充放电检测电路20的检测来切换双向调节器10的操作方向。
    • 8. 发明申请
    • Charge and Discharge Circuit of Secondary Battery and Battery Pack
    • 二次电池和电池组的充放电电路
    • US20110074356A1
    • 2011-03-31
    • US12308335
    • 2007-06-14
    • Kazuo YamazakiHidenori TanakaYukihiro TeradaToshio Nagai
    • Kazuo YamazakiHidenori TanakaYukihiro TeradaToshio Nagai
    • H02J7/00
    • H02J7/0065H02J7/0052H02J2007/0059H02M3/1582
    • A charge and discharge circuit and a battery pack, both capable of voluntarily perform proper switching between a charge operation and a discharge operation of a secondary battery according to various situations, are provided. The charge and discharge circuit of a secondary battery is one capable of charging the secondary battery E2 by a power source voltage and of supplying power from the secondary battery E2 to an external device 3. Then, the charge and discharge circuit includes a bidirectional regulator 10 capable of adjusting an output in both of a charge direction of feeding the current to the side of the secondary battery E2 and a discharge direction of feeing the current from the secondary battery E2 to the side of the external device 3, a charge and discharge detecting circuit 20 for detecting a direction of the current flowing in the secondary battery E2, and a switching control circuit 30 for switching the operation direction of the bidirectional regulator 10 based on the detection of the charge and discharge detecting circuit 20.
    • 提供一种充放电电路和电池组,其能够根据各种情况自愿地进行充电操作和二次电池的放电操作之间的适当切换。 二次电池的充放电电路是能够通过电源电压对二次电池E2进行充电并且从二次电池E2向外部装置3供电的充电和放电电路。然后,充放电电路包括双向调节器10 能够调节向二次电池E2侧供给电流的充电方向和从二次电池E2向外部装置3一侧的电流的放电方向两者的输出,充放电检测 电路20,用于检测在二次电池E2中流动的电流的方向;以及开关控制电路30,用于根据充放电检测电路20的检测来切换双向调节器10的操作方向。