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    • 15. 发明授权
    • Phase controller
    • 相位控制器
    • US06995522B2
    • 2006-02-07
    • US10875205
    • 2004-06-25
    • Tatsuya MukaiNobuhiro KitamuraYukihiro MurataKenji Okada
    • Tatsuya MukaiNobuhiro KitamuraYukihiro MurataKenji Okada
    • H05B41/16H05B37/02G05F1/00
    • H05B39/08H05B39/048Y02B20/148
    • In a phase controller used in a light control of an incandescent lamp, noise reduction, prevention of elements from damage due to short circuit current, downsizing and lower cost are purposed. A CPU circuit of a control circuit sets a gradual increase term during which a load voltage applied to the incandescent lamp is gradually increased by driving a self-quenching type switching device such as an IGBT. After passing the gradual increase term, a main switching device such as a TRIAC is turned on. The phase controller further comprises a current sensor such as a shunt resistor for sensing a value of the load current flowing through the self-quenching type switching device, according to need. The CPU circuit compares the sensed value of the load current with at least one reference value, and selects driving manner of the main switching device and the self-quenching type switching device corresponding to the result of comparison.
    • 在用于白炽灯的光控制中的相位控制器中,旨在降低噪声,防止因短路电流损坏元件,减小尺寸和降低成本。 控制电路的CPU电路通过驱动诸如IGBT的自熄型开关器件来设置逐渐增加项,在此期间施加到白炽灯的负载电压逐渐增加。 通过逐渐增加期限后,开启诸如TRIAC的主开关装置。 相位控制器还包括根据需要的用于感测流过自熄型开关装置的负载电流值的诸如分流电阻器的电流传感器。 CPU电路将感测到的负载电流值与至少一个参考值进行比较,并且选择与比较结果相对应的主开关装置和自熄型开关装置的驱动方式。
    • 16. 发明授权
    • Electronic switch
    • 电子开关
    • US07283344B2
    • 2007-10-16
    • US10875526
    • 2004-06-24
    • Tatsuya MukaiNobuhiro KitamuraYukihiro MurataKenji Okada
    • Tatsuya MukaiNobuhiro KitamuraYukihiro MurataKenji Okada
    • H02H3/00
    • H03K17/0822H03K17/6874
    • In an electronic switch which includes a pair of terminal portions 14, 14, and self arc-suppressing elements Q21, Q22 having a one-way on and off control construction connected in inverse-series between the pair of terminal portions and which turns on and off the self arc-suppressing elements Q21, Q22 with phase control, shunt resistors R51, R52 provided between the pair of terminal portions 14, 14 and connected in series to the pair of self arc-suppressing elements Q21, Q22 and thyristors S71, S72 for extracting the gate voltages applied to gates of the self arc-suppressing elements Q21, Q22 upon driving are provided. Furthermore, thyristors S71, S72 are driven by the voltages across the shunt resistors R51, R52 generated when overcurrent larger than predetermined current flows through the shunt resistors R51, R52.
    • 在包括一对端子部分14,14以及具有单向导通和关断控制结构的自灭弧元件Q 21,Q 22的电子开关中,该一对端子部分14和14反向串联连接在该对端子部分之间, 在具有相位控制的自灭弧元件Q 21,Q 22上,分别设置在一对端子部14,14之间的分流电阻器R 51,R 52,并与该一对自电弧抑制元件Q21串联连接 Q 22和用于提取在驱动时施加到自消弧元件Q21,Q22的栅极的栅极电压的晶闸管S 71,S 72。 此外,晶闸管S71,S72由跨过分流电阻器R 51,R 52流过大于预定电流的过电流产生的分流电阻器R51,R52两端的电压驱动。
    • 17. 发明申请
    • Electronic switch
    • 电子开关
    • US20050007715A1
    • 2005-01-13
    • US10875526
    • 2004-06-24
    • Tatsuya MukaiNobuhiro KitamuraYukihiro MurataKenji Okada
    • Tatsuya MukaiNobuhiro KitamuraYukihiro MurataKenji Okada
    • H01H47/00H02J3/24H03K17/082H03K17/687H02H3/08
    • H03K17/0822H03K17/6874
    • To provide an electronic switch capable of instantly releasing overcurrent from flowing between a pair of terminal portions. In an electronic switch which comprises a pair of terminal portions 14, 14 ad self arc-suppressing elements Q21, Q22 having a one-way on and off control construction connected in inverse-series between, the pair of terminal portions and which turns on and off the self arc-suppressing elements Q21, Q22 with phase control, shunt resistors R51, R52 provided between the pair of terminal portions 14, 14 and connected in series to the pair of self arc-suppressing elements Q21, Q22 and thyristors S71, S72 for extracting the gate voltages applied to gates of the self arc-suppressing elements Q21, Q22 upon driving are provided. Furthermore, thyristors S71, S72 are driven by means of the voltages across the shunt resistors R51, R52 generated when overcurrent larger than predetermined current flows through the shunt resistors R51, R52.
    • 提供能够立即从一对端子部之间流过过电流的电子开关。 在一个电子开关中,包括一对端子部分14,14,具有反向串联连接的单向导通和关闭控制结构的一组自消弧元件Q21,Q22,该一对端子部分接通和断开, 关闭具有相位控制的自电弧抑制元件Q21,Q22,设置在一对端子部14,14之间的并联电阻器R51,R52并串联连接到一对自电弧抑制元件Q21,Q22和晶闸管S71,S72 用于提取在驱动时施加到自电弧抑制元件Q21,Q22的栅极的栅极电压。 此外,当大于预定电流的过电流流过分流电阻器R51,R52时,通过分流电阻器R51,R52两端的电压驱动晶闸管S71,S72。