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    • 4. 发明授权
    • Secondary battery charging device
    • 二次电池充电装置
    • US07652450B2
    • 2010-01-26
    • US11519874
    • 2006-09-13
    • Takao AradachiShinji WatanabeKazuhiko Funabashi
    • Takao AradachiShinji WatanabeKazuhiko Funabashi
    • H02J7/00
    • H02J7/022H02J7/0072H02M2001/0006
    • In a charging device, a driving power supply circuit for driving a control circuit is formed as a separate system from a first power supply circuit, regardless of whether the first power supply circuit is in a driving state or a non-driving state. A microcomputer alternately and intermittently controls the first power supply circuit in the driving state or the non-driving state when the battery pack is not mounted in the charging device in order to reduce the potential difference between the battery pack and the output voltage of the first power supply circuit, thereby avoiding an excessive discharge current from the battery pack when the battery pack is mounted in the charging device.
    • 在充电装置中,用于驱动控制电路的驱动电源电路形成为与第一电源电路分离的系统,而不管第一电源电路是处于驱动状态还是非驱动状态。 当电池组未安装在充电装置中时,微型计算机以驱动状态或非驱动状态交替地和间歇地控制第一电源电路,以便减小电池组与第一电池组的输出电压之间的电位差 电源电路,从而当电池组安装在充电装置中时避免来自电池组的过度的放电电流。
    • 6. 发明授权
    • Charging device having protective switching element
    • 具有保护开关元件的充电装置
    • US08013575B2
    • 2011-09-06
    • US12020968
    • 2008-01-28
    • Takao AradachiKazuhiko FunabashiShinji Watanabe
    • Takao AradachiKazuhiko FunabashiShinji Watanabe
    • H02J7/02
    • H02J7/0031H02J2007/0095
    • To prevent a battery pack from being over-discharged even under a state that the battery pack (a secondary battery) is connected to a discharging device that is not connected to an ac input power source for a long time. A charging device has a pair of output lines and an anode terminal and a cathode terminal of a secondary battery electrically connected between the output lines to carry out a charging operation. In the charging device including a component circuit part electrically connected by traversing a part between the pair of output lines, a switching element is inserted between the component circuit part and one of the pair of output lines. When the charging device is not connected to an input power source, the switching element is allowed to be non-conductive to interrupt a discharging path so that the component circuit part does not form the discharging path.
    • 即使在电池组(二次电池)连接到长时间未连接到交流输入电源的放电装置的状态下,也可防止电池组过度放电。 充电装置具有一对输出线和电连接在输出线之间的二次电池的阳极端子和阴极端子,以执行充电操作。 在包括通过横穿一对输出线之间的部分电连接的分量电路部分的充电装置中,在组件电路部分和一对输出线中的一个之间插入开关元件。 当充电装置未连接到输入电源时,允许开关元件不导通以中断放电路径,使得元件电路部分不形成放电路径。
    • 8. 发明申请
    • BATTERY CHARGER
    • 充电器
    • US20090033291A1
    • 2009-02-05
    • US12281233
    • 2007-03-02
    • Takao AradachiKazuhiko Funabashi
    • Takao AradachiKazuhiko Funabashi
    • H02J7/00
    • H02M1/36H02J7/0077
    • A charging signal Vi responding to a charging current is inputted to one input terminal (−) of an operational amplifier 95 forming a comparator and a setting signal Vr corresponding to a setting current value is inputted to the other input terminal (+) of the operational amplifier 95. When the charging signal Vi is not higher than the setting signal Vr, a charging stop signal is generated from the output terminal of the operational amplifier 95 to interrupt a switch unit 4. A starting signal Vcc larger than the setting signal Vr applied to the other input terminal (+) is applied to the one input terminal (−) of the operational amplifier 95 through a condenser 94 till a prescribed time elapses from the start of a charging operation to generate a charging start signal from the output terminal of the operational amplifier 95 and electrically conduct the switch unit 4.
    • 将响应于充电电流的充电信号Vi输入到形成比较器的运算放大器95的一个输入端( - ),并将与设定电流值对应的设定信号Vr输入到运算放大器的另一输入端(+) 放大器95.当充电信号Vi不高于设定信号Vr时,从运算放大器95的输出端产生充电停止信号以中断开关单元4.启动信号Vcc大于施加的设定信号Vr 通过电容器94向另一输入端(+)施加到运算放大器95的一个输入端( - ),直到从充电操作开始经过规定时间,从而从输出端产生充电开始信号 运算放大器95和导电开关单元4。
    • 10. 发明申请
    • Battery charger
    • 充电器
    • US20050258800A1
    • 2005-11-24
    • US11131359
    • 2005-05-18
    • Takao AradachiKazuhiko FunabashiNobuhiro Takano
    • Takao AradachiKazuhiko FunabashiNobuhiro Takano
    • H02J7/10H02J1/00H02J7/00H02J7/02H02J9/00
    • H02J7/022H02J9/005
    • To reduce power consumption when charging a secondary battery is not performed, a first power supply circuit is disabled but a second power supply circuit is enabled when the secondary battery is unloaded from a battery charger. Both the first and second power supply circuits are enabled when the battery is loaded in the charger The first power supply circuit is provided for supplying power to the secondary battery. The second power supply circuit is provided for supplying a first voltage to such components that are operated with the first voltage and a second voltage to such components that are operated with the second voltage, wherein the second voltage is greater than the first voltage. When the battery is unloaded from the charger, the second power supply circuit supplies only the first voltage whereas when the battery is loaded in the charger, the second power supply circuit supplies the first and second voltages to the corresponding components.
    • 为了在不对二次电池进行充电的情况下降低功耗,当从电池充电器卸载二次电池时,禁止第一电源电路,但是使能第二电源电路。 当电池装入充电器时,第一和第二电源电路都被使能。第一电源电路用于向二次电池供电。 第二电源电路被提供用于向第一电压操作的这些部件提供第一电压,并且向第二电压操作的这些部件提供第二电压,其中第二电压大于第一电压。 当电池从充电器卸载时,第二电源电路仅提供第一电压,而当电池装入充电器时,第二电源电路将第一和第二电压提供给相应的部件。