A frequency generator for generating an operating frequency for a transmit signal of a track contact of an axle counter, the frequency generator comprising: a series resonant circuit comprising a transmitter coil unit (800) of the track contact and a capacitor (600), characterized in that the frequency generator further comprises: an inverter (400), the output of which is connected to the capacitor (600), wherein the inverter is configured to generate an oscillating voltage and feed the generated oscillating voltage to a transmitter coil unit (800) of the rail contact via the capacitor; a current converter (300) for synchronizing the output voltage of the inverter with the current in the series resonant circuit (600, 800); a start-up circuit (200) electrically connected to the inverter and configured to trigger the inverter (400) and configured to be electrically connected to the input power source. The frequency generator of the invention includes robust and efficient circuitry for generating a magnetic field. And the manufacturing workload and expensive parts can be reduced.

    一种频率发生器,用于为计轴器的轨道接触件的发射信号产生工作频率,频率发生器包括:·串联谐振电路,其包括轨道接触件的发射器线圈单元(800)和电容器(600),其特征在于,频率发生器还包括:·逆变器(400),其输出端连接到电容器(600),其中逆变器被配置为生成振荡电压并且经由电容器将所生成的振荡电压馈送到轨道接触件的发射器线圈单元(800);·电流变换器(300),用于使逆变器的输出电压与串联谐振电路(600,800)中的电流同步;·启动电路(200),其电连接到逆变器,并且被配置为触发逆变器(400),并且被配置为电连接到输入电源。本发明的频率发生器包括用于产生磁场的鲁棒且有效的电路。可以减少制造工作量和昂贵的部件。


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    Title :

    Frequency generator and method for generating operating frequency for track contact of axle counter, and axle counter


    Additional title:

    用于为计轴器的轨道接触件产生工作频率的频率发生器和方法以及计轴器


    Contributors:
    M KING (author) / KLEMM RAINER (author)

    Publication date :

    2023-06-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen