公开(公告)号：US06671157B1

公开(公告)日：2003-12-30

申请号：US10048047

申请日：2002-01-24

申请人： Wolfgang Meid ,  Wilhelm Melchert ,  Gerd Schmitz

发明人： Wolfgang Meid ,  Wilhelm Melchert ,  Gerd Schmitz

IPC分类号： H01H4700

CPC分类号： H01H9/563

摘要： The invention relates to a method for effecting an electronic drive control of a drive coil of a protection system using an electronic device which comprises a microcontroller. The aim of the invention is to increase the serviceable life of a protection system. To this end, the invention uses a randomly selected and constantly changing delay time (tx) that occurs after a time (t2, t3) at which the supply voltage is established on the electronic device.

摘要翻译： 本发明涉及一种利用包括微控制器的电子装置对保护系统的驱动线圈进行电子驱动控制的方法。 本发明的目的是提高保护系统的使用寿命。 为此，本发明使用在电子设备上建立电源电压的时间（t2，t3）之后发生的随机选择且不断变化的延迟时间（tx）。

公开(公告)号：US06775114B1

公开(公告)日：2004-08-10

申请号：US10048093

申请日：2002-01-24

申请人： Wolfgang Meid ,  Wilhelm Melchert

发明人： Wolfgang Meid ,  Wilhelm Melchert

IPC分类号： H01H4700

CPC分类号： H01H47/325 ,  H01H47/002

摘要： An electronic drive control apparatus for controlling a drive coil of a contactor includes a microcontroller configured for generating an inverted pulse width modulated signal, and at least one semiconductor switch. A pulse-shaping stage is connected downstream of the microcontroller for varying the pulse width modulated signal. The pulse-shaping stage includes a preselectable RC combination and an inverter connected downstream of the RC combination and having a Schmitt trigger input. A preselection of the RC combination is carried out via a plurality of outputs of the microcontroller to open collector transistor stages of discharge resistors of the RC combination. The pulse width of the driving signal of the semiconductor switch is determined from the inverted pulse width modulated signal and the preselected RC combination.

摘要翻译： 用于控制接触器的驱动线圈的电子驱动控制装置包括被配置为产生反相脉宽调制信号的微控制器和至少一个半导体开关。 脉冲整形级连接在微控制器的下游，用于改变脉宽调制信号。 脉冲整形级包括预选RC组合和连接在RC组合下游并具有施密特触发器输入的反相器。 RC组合的预选通过微控制器的多个输出执行到RC组合的放电电阻器的集电极晶体管级。 半导体开关的驱动信号的脉冲宽度由反相的脉宽调制信号和预选的RC组合确定。

公开(公告)号：US07403366B2

公开(公告)日：2008-07-22

申请号：US10523087

申请日：2003-07-26

申请人： Wilhelm Melchert ,  Gerd Schmitz

发明人： Wilhelm Melchert ,  Gerd Schmitz

IPC分类号： H01H47/00 ,  H01H9/00

CPC分类号： H01H47/32 ,  H01H47/04

摘要： A control circuit for an electromagnetic drive includes first and second electronic switching elements, which in conjunction with a timing element subject the drive coil to a corresponding direct current in the starting phase or in the maintenance phase. A starting current and a maintenance current are provided by means of a current source that is controlled by the timing element and a direct current converter with downward control.

摘要翻译： 用于电磁驱动的控制电路包括第一和第二电子开关元件，其结合在启动阶段或在维护阶段将驱动线圈承受相应的直流电的定时元件。 通过由定时元件控制的电流源和具有向下控制的直流转换器提供起动电流和维持电流。

公开(公告)号：US20050254270A1

公开(公告)日：2005-11-17

申请号：US10523087

申请日：2003-07-26

申请人： Wilhelm Melchert ,  Gerd Schmitz

发明人： Wilhelm Melchert ,  Gerd Schmitz

IPC分类号： H01H47/04 ,  H01H47/32 ,  H02M5/45

CPC分类号： H01H47/32 ,  H01H47/04

摘要： The invention relates to a control circuit (2) for an electromagnetic drive. Said circuit contains first and second electronic switching elements (16 to 22), which in conjunction with a timing element (12) subject the drive coil (4) to a corresponding direct current in the starting phase or in the maintenance phase. A starting current (Ua) and a maintenance current (Ub) are provided by means of a current source (14) that is controlled by the timing element (12) and a direct current converter (10) with downward control.

摘要翻译： 本发明涉及一种用于电磁驱动的控制电路（2）。 所述电路包括第一和第二电子开关元件（16至22），其结合在驱动线圈（4）处于启动阶段或维护阶段中相应的直流电的定时元件（12）。 起动电流（Ua）和维持电流（Ub）通过由定时元件（12）控制的电流源（14）和具有向下控制的直流变换器（10）提供。

公开(公告)号：US06657841B1

公开(公告)日：2003-12-02

申请号：US10069991

申请日：2002-03-01

申请人： Wilhelm Melchert ,  Gerd Schmitz

发明人： Wilhelm Melchert ,  Gerd Schmitz

IPC分类号： H02H900

CPC分类号： H03K17/08142

摘要： A circuit arrangement for overvoltage protection of a power transistor for controlling an inductive load includes a first varistor which bridges-over the supply connections. A second varistor is arranged parallel in relation to the switching path of the power transistor and in series with a switching transistor. The switching transistor can be controlled by a voltage divider which is connected to the supply voltage via a Zener diode.

摘要翻译： 用于控制感性负载的功率晶体管的过电压保护的电路装置包括桥接在供电连接上的第一变阻器。 第二变阻器相对于功率晶体管的开关路径并联设置并与开关晶体管串联布置。 开关晶体管可以由分压器控制，分压器通过齐纳二极管连接到电源电压。