The invention relates to the technical field of circuits, in particular to an annunciator filament state detection circuit, annunciator equipment and a rail train system.The detection circuit comprises a sampling circuit used for collecting alternating current signals of an annunciator filament; the detection circuit is used for detecting a peak value of the alternating current signal and identifying an effective value of the alternating current signal according to the peak value of the alternating current signal; and the controller is used for determining the state of the annunciator filament according to the effective value of the AC signal. Therefore, the problems of relatively high detection cost, relatively poor circuit reliability and the like caused by a complex detection circuit in the related technology are solved.
本申请涉及电路技术领域,特别涉及一种信号机灯丝状态检测电路、信号机设备及轨道列车系统,其中,检测电路包括:采样电路,用于采集信号机灯丝的交流信号;检波电路,用于检测交流信号的峰值,并根据交流信号的峰值识别交流信号的有效值;控制器,用于根据交流信号的有效值确定信号机灯丝的状态。由此,解决了相关技术中检测电路复杂,导致检测成本较高且电路的可靠性较差等问题。
Signal machine filament state detection circuit, signal machine equipment and rail train system
信号机灯丝状态检测电路、信号机设备及轨道列车系统
2024-10-18
Patent
Electronic Resource
Chinese
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