The invention relates to a real-time power acquisition circuit, method and system compatible with an alternating current switch machine and a direct current switch machine, through the provided power acquisition circuit compatible with the direct current switch machine and the alternating current switch machine, voltage and current signals input by a load end are obtained by adopting a resistance direct acquisition scheme, and then the voltage and current signals pass through an isolation amplification circuit and are transmitted to the load end. The analog-to-digital conversion chip carries out analog-to-digital conversion, the converted digital signal is sent to the programmable logic device for filtering processing and data processing, and finally the processed data is transmitted to terminal maintenance equipment such as a CPU for analysis, so that the high integration and miniaturization of the whole sampling circuit are realized, and the real-time performance of data acquisition is improved; and the data acquisition precision is improved.
本申请涉及一种兼容交流和直流转辙机的实时功率采集电路、方法和系统,通过提出的能够兼容直流转辙机和交流转辙机的功率采集电路,采用电阻直接式采集的方案获取负载端所输入的电压和电流信号,然后经过隔离放大电路,再由模数转换芯片进行模数转化,转化后的数字信号送给可编程逻辑器进行滤波处理和数据处理,最终将处理后的数据传输给CPU等终端维护设备进行分析,从而实现了整个采样电路的高度集成化,小型化,同时又提升了数据采集的实时性,提高了采集数据的精度。
Real-time power acquisition circuit, method and system compatible with alternating-current and direct-current switch machines
兼容交流和直流转辙机的实时功率采集电路、方法和系统
13.01.2023
Patent
Elektronische Ressource
Chinesisch
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