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    • 21. 发明授权
    • Expanded battery capacity identification scheme and apparatus
    • 扩展电池容量识别方案和装置
    • US5184059A
    • 1993-02-02
    • US760413
    • 1991-09-16
    • Joseph PatinoJose M. FernandezHenry A. Bogut
    • Joseph PatinoJose M. FernandezHenry A. Bogut
    • H01M10/44H02J7/00
    • H01M10/44H02J7/0006Y10S320/18
    • A battery charging system (10) includes a charging path (50) for charging batteries (14) which have a variety of different charging parameters requiring different optimum charging algorithms (58). The battery charging system (10) comprises a charging algorithm sensing circuit (30). At least one battery cell (14A, 14B) having a positive (23) and a negative terminal (27) and an optimum charging algorithm is to be charged. An impedance (R18) having two terminals and a value related to a predetermined charging algorithm of the cell approximating the optimum charging algorithm is coupled to one of the positive or negative terminals of the battery cell (14B). A capacitor (C72) combines with the impedance (R18) to form a characteristic related to the predetermined charging algorithm. Battery terminals (23 and 27) connected to the cell (14A and 14B) and to one of the terminals of the impedance (R18) form a battery (12) for connecting the cell (14A-B) into the battery charging system (10) with the cell (14A-B) in the charging path (50), and the impedance (R18) and the capacitor (C72) in the charging algorithm sensing circuit.
    • 电池充电系统(10)包括用于对具有各种不同充电参数的电池(14)充电的充电路径(50),其需要不同的最佳充电算法(58)。 电池充电系统(10)包括充电算法感测电路(30)。 要充电具有正(23)和负端(27)的至少一个电池单元(14A,14B)和最佳充电算法。 具有两个端子的阻抗(R18)和与接近最佳充电算法的单元的预定充电算法相关的值耦合到电池单元(14B)的正极或负极中的一个。 电容器(C72)与阻抗(R18)组合以形成与预定充电算法相关的特性。 连接到电池(14A和14B)的电池端子(23和27)和阻抗(R18)的一个端子形成电池(12),用于将电池(14A-B)连接到电池充电系统(10 )与充电路径(50)中的单元(14A-B),以及充电算法感测电路中的阻抗(R18)和电容器(C72)。
    • 26. 发明授权
    • Method and apparatus for determining battery characteristics
    • 用于确定电池特性的方法和装置
    • US5576610A
    • 1996-11-19
    • US270618
    • 1994-07-05
    • Joseph PatinoHenry A. BogutJose M. Fernandez
    • Joseph PatinoHenry A. BogutJose M. Fernandez
    • H02J7/00H01M10/46H01M10/48
    • H02J7/0004
    • A battery charging system (200) comprises a battery pack (206) and charger (202). Battery pack 206 includes a thermistor (212) for determining the temperature of battery pack (206) and a zener diode (210)in parallel with the thermistor (212) for informing charger (202) of the current capacity of battery (206) or of another battery parameter. Charger (202) includes a transistor (220) and zener diode (214) for effectively switching between measuring thermistor (212) and zener diode (210) at charger input terminal (224). This effectively reduces the number of battery and charger contacts required to measure two battery parameters as compared to the prior art.
    • 电池充电系统(200)包括电池组(206)和充电器(202)。 电池组206包括用于确定电池组(206)的温度的热敏电阻(212)和与热敏电阻(212)并联的齐纳二极管(210),用于向充电器(202)通知电池(206)的当前容量或 的另一个电池参数。 充电器(202)包括用于在充电器输入端子(224)处有效切换测量热敏电阻(212)和齐纳二极管(210)之间的晶体管(220)和齐纳二极管(214)。 与现有技术相比,这有效地减少了测量两个电池参数所需的电池和充电器触点的数量。
    • 28. 发明授权
    • Protection switch for a battery powered device
    • 电池供电设备的保护开关
    • US5539299A
    • 1996-07-23
    • US332166
    • 1994-10-31
    • Jose M. FernandezScott M. GarrettVernon Meadows
    • Jose M. FernandezScott M. GarrettVernon Meadows
    • H01M10/44H02H7/18H02J7/00H02J7/10H02J7/06
    • H02J7/0031
    • A battery pack 12 for powering a device 14 sensitive to input voltage contains a protection switch 28 and a control circuit 26. When the battery pack 12 is charged by a charger 10 and the voltage of the battery pack approaches the maximum safe level of the device 14, the control circuit 26 causes the protection switch 28 to electrically switch open to protect the device 14 from excessive voltage potentially output by the charger. Where the cells 16 are lithium ion cells or a type having a maximum safe voltage, a safety switch 49 is included to interrupt charge current 52 through the cells 16. The safety switch 49 is delayed by resistor/capacitor network 51, 53 so that it switches after the protection switch 28. The safety switch 49 includes a diode 58 to allow the device 14 to remain powered while the safety switch is blocking charge current. Further, diodes 40 and 42 are required to eliminate measurement error of the control circuit 26 if the battery pack 12 is charged through the device contacts 20 and 24.
    • 用于为对输入电压敏感的装置14供电的电池组12包含保护开关28和控制电路26.当电池组12由充电器10充电并且电池组的电压接近装置的最大安全水平时 如图14所示,控制电路26使保护开关28电开关,以保护装置14免受充电器可能输出的过大电压。 在单元16是锂离子电池或具有最大安全电压的类型的情况下,包括安全开关49以通过电池单元16中断充电电流52.安全开关49由电阻器/电容器网络51,53延迟,使得 在保护开关28之后切换。安全开关49包括二极管58,以允许设备14在安全开关阻塞充电电流时保持供电。 此外,如果电池组12通过设备触点20和24充电,则二极管40和42需要消除控制电路26的测量误差。