专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US4209733A Motor control apparatus with an improved thyristor chopper circuit 失效
标题翻译：电机控制装置，具有改进的晶闸管斩波电路
公开(公告)号：US4209733A
公开(公告)日：1980-06-24
申请号：US936927
申请日：1978-08-25
申请人： Hiroshi Narita , Masahiko Ibamoto , Jinichi Toyama
发明人： Hiroshi Narita , Masahiko Ibamoto , Jinichi Toyama
IPC分类号： H02M1/06 , H02P7/29
CPC分类号： H02P7/29 , Y10S388/915 , Y10S388/92
摘要： A motor control apparatus to supply current from a D-C source to an electric motor has a thyristor chopper circuit, the duty factor of which is controlled depending on a current instruction signal. The thyristor chopper circuit is provided between the terminals of the D-C source in series with an electric motor, and has main and auxiliary thyristors. A series connection of a capacitor and a reactor, forming commutating elements, is connected across the auxiliary thyristor and oscillates to generate a pulse of current through a forward diode in order to turn off the main thyristor when the auxiliary thyristor is turned on. In addition, a saturable current transformer is so provided that through a primary winding thereof chopper current flows, and the secondary winding operates as the reactance of the commutating elements. Current flowing through the secondary winding therefore depends on the chopper current flowing through the primary winding.
摘要翻译：从D-C源向电动机供给电流的电动机控制装置具有晶闸管斩波电路，其占空因数根据电流指令信号而被控制。晶闸管斩波电路设置在与电动机串联的D-C源的端子之间，并具有主晶闸管和辅助晶闸管。电容器和电抗器的串联连接，形成换向元件，跨过辅助晶闸管连接并振荡，以产生通过正向二极管的电流脉冲，以便在辅助晶闸管导通时关断主晶闸管。此外，可饱和电流互感器被设置为通过其初级绕组斩波电流流动，次级绕组作为换向元件的电抗工作。因此，流过次级绕组的电流取决于流过初级绕组的斩波电流。

2. 发明授权

US4199711A Control apparatus for electric motor vehicles 失效
标题翻译：电动车辆控制装置
公开(公告)号：US4199711A
公开(公告)日：1980-04-22
申请号：US897712
申请日：1978-04-19
申请人： Michimasa Horiuchi , Masahiko Ibamoto , Jinichi Toyama
发明人： Michimasa Horiuchi , Masahiko Ibamoto , Jinichi Toyama
IPC分类号： H02P3/08 , B60L7/00 , B60L15/08 , B60L15/20 , H02P5/16
CPC分类号： B60L15/2009 , B60L15/08 , Y02T10/645 , Y02T10/7275
摘要： A control apparatus for an electric motor vehicle includes a control system to increase the duty cycle of a chopper circuit driving an electric drive motor of the vehicle when a spontaneous backward movement takes place upon starting of the vehicle at an uphill gradient, thereby to increase the armature and field current of the drive motor and hence the counter current braking effort or so-called plugging effort. The control apparatus assures a reliable starting of the vehicle even at an uphill gradient road.
摘要翻译：一种用于电动车辆的控制装置，包括一个控制系统，用于当以上坡梯度起动车辆时发生自发的后向运动时，增加驱动车辆的电动驱动马达的斩波电路的占空比，从而增加驱动电机的电枢和励磁电流，因此逆转电流制动力或所谓的堵塞力。即使在上坡路上，控制装置保证车辆的可靠启动。

3. 发明授权

US4171510A System for detecting output of controllable semiconductor device 失效
标题翻译：用于检测可控半导体器件输出的系统
公开(公告)号：US4171510A
公开(公告)日：1979-10-16
申请号：US844120
申请日：1977-10-20
申请人： Hisakatsu Kiwaki , Masahiko Ibamoto , Masato Suzuki , Jinichi Toyama , Shigeru Kuriyama
发明人： Hisakatsu Kiwaki , Masahiko Ibamoto , Masato Suzuki , Jinichi Toyama , Shigeru Kuriyama
IPC分类号： H02M1/08 , H02H7/08 , H02H7/12 , H02H7/122 , H02M3/137 , H02P5/16 , H02P5/18
CPC分类号： H02H7/1213 , H02H7/0833 , H02H7/122 , H02M3/137
摘要： A system for detecting an output of a controllable semiconductor device includes a controllable semiconductor device, a magnetic amplifier to which an output of the semiconductor device is fedback to control the semiconductor device, and a monitor device for monitoring an output of the magnetic amplifier. The monitor device serves for determining that the output of said semiconductor device exceeds a predetermined level, when the output of the magnetic amplifier is in a remanent output region of the magnetic amplifier.
摘要翻译：用于检测可控半导体器件的输出的系统包括可控半导体器件，半导体器件的输出反馈以控制半导体器件的磁放大器，以及用于监视磁放大器的输出的监控器件。当磁放大器的输出处于磁放大器的剩余输出区域时，监视器装置用于确定所述半导体器件的输出超过预定电平。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式