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    • 4. 发明授权
    • Regulator for an alternator of a vehicle
    • 用于交通工具的调节器
    • US5929613A
    • 1999-07-27
    • US923938
    • 1997-09-05
    • Masanori TsuchiyaNaoyuki TakahashiKeiichi Mashino
    • Masanori TsuchiyaNaoyuki TakahashiKeiichi Mashino
    • G08B23/00H02H3/04H02J7/14H02J7/16H02J7/24H02P9/14
    • H02J7/166
    • A regulator for an alternator installed in a vehicle has a switching circuit in which a field current limiting transistor interruptibly controls a flow of current to a field coil of the alternator. A battery output voltage detection terminal is connected to the battery, and an alternator output voltage terminal is connected to the alternator. A diode connected to the battery output voltage detection terminal has a reverse recovery time of 20 ns-20 .mu.s, and a resistor is connected between the diode and the alternator output voltage terminal. A control circuit controls the switching circuit, in order to regulate the voltage at a connection point of the diode and the resistor so as to keep the voltage constant, and an alarm generating circuit illuminates a charge indicator lamp if the voltage at a junction of said diode and said resistor exceeds a reference voltage.
    • 安装在车辆中的交流发电机的调节器具有开关电路,其中励磁电流限制晶体管可以阻断对交流发电机的励磁线圈的电流的流动。 电池输出电压检测端子连接到电池,并且交流发电机输出电压端子连接到交流发电机。 连接到电池输出电压检测端子的二极管具有20ns-20μs的反向恢复时间,并且在二极管和交流发电机输出电压端子之间连接有电阻器。 控制电路控制开关电路,以便调节二极管和电阻器的连接点处的电压,以便保持电压恒定,并且如果所述电压指示灯的接点处的电压为所述电压指示灯,则警报发生电路照亮充电指示灯 二极管和所述电阻器超过参考电压。
    • 7. 发明授权
    • Voltage regulator for charger/generator
    • 充电器/发电机电压调节器
    • US4831322A
    • 1989-05-16
    • US189181
    • 1988-05-02
    • Keiichi MashinoShigekazu Takei
    • Keiichi MashinoShigekazu Takei
    • H02J7/24
    • H02J7/245Y02T10/92
    • In a voltage regulator for charger/generator comprising a switching element, connected between a battery and a field winding of a generator adapted to charge the battery, for switching on and off an exciting current flowing through the field winding and a voltage detector responsive to voltage of the battery to control the operation of the switching element, there are provided an oscillator for generating an oscillation signal of a desired duty ratio, an initial excitation signal generator circuit having a plurality of stages of frequency dividers for dividing the frequency of the oscillation signal generated from the oscillator and combining together frequency division signals of the frequency dividers to produce a synthesized output signal of a desired duty ratio, a booster for boosting and rectifying an AC signal containing the oscillation signal of the oscillator and a signal which is opposite in phase to the oscillation signal to produce a boosted output signal, and excitation control means being operative, when the generator is in non-generation condition, to apply the oscillation signal of the oscillator to the booster in synchronism with the output signal of the initial excitation signal generator circuit so as to cause the booster output signal corresponding to the output signal of the initial excitation signal generator circuit to on/off control the switching element to thereby effect initial excitation of the generator and being operative, when the generator is in a predetermined generation condition, to respond to an output signal of the voltage detector so as to control the application of the oscillation signal to the booster to thereby on/off control the switching element in dependence on the battery voltage.
    • 在用于充电器/发电机的电压调节器中,包括开关元件,连接在电池和适于对电池充电的发电机的励磁绕组之间,用于接通和关断流过励磁绕组的励磁电流和响应于电压的电压检测器 为了控制开关元件的动作,设置有用于产生期望的占空比的振荡信号的振荡器,具有用于分频振荡信号的频率的多级分频器的初始激励信号发生器电路 从振荡器产生并组合分频器的分频信号以产生所需占空比的合成输出信号,用于升压和整流包含振荡器的振荡信号的AC信号的升压器和相位相反的信号 对振荡信号产生升压输出信号,并激励控制 控制装置在发电机处于非发电状态时可操作,以与初始激励信号发生器电路的输出信号同步地将振荡器的振荡信号施加到升压器,以使得对应于升压器输出信号 初始激励信号发生器电路的输出信号对开关元件进行开/关控制,从而当发电机处于预定发电状态时,对发电机进行初始激励,并对其进行工作,以响应电压检测器的输出信号 以便控制振荡信号对增强器的应用,从而根据电池电压对开关元件进行开/关控制。