城轨交通单侧计轴传感器智能校准仪研究与运用  

Research and Application of Intelligent Calibration Instrument for Unilateral Axle Counting Sensor of Urban Rail Transit

作　　者：刘海洋 杨进[2] LIU Haiyang;YANG Jin

机构地区：[1]绍兴京越地铁有限公司运营分公司,浙江绍兴312000 [2]南京铁道职业技术学院通信信号学院,南京210035

出　　处：《铁道通信信号》2023年第11期90-96,共7页Railway Signalling & Communication

基　　金：2022年江苏省高铁安全工程技术研究开发中心开放基金项目(RCQL22012);2019年“青蓝工程”中青年学术带头人培养基金项目(RCQL19210);江苏省第六期“333高层次人才培养工程”项目(500RC33322001)。

摘　　要：针对地铁信号系统中单侧计轴传感器长期受到温度、湿度、振动、电磁干扰等因素影响,最终导致其参数发生变化而需要维修工远赴现场定期巡检等问题,提出基于电流检测原理的单侧计轴传感器智能校准方案,研制了一款单侧计轴传感器智能校准仪。该校准仪采用单片机、键盘驱动芯片、直流信号隔离转换器、液晶显示模块等设计,在室内防雷分线柜上即可检测计轴传感器回传信号,方便远程检测计轴传感器的工作参数;同时,具有操作便利、测试安全等特点。经模拟测试并与现场实测数据比较,该智能校准仪具有较高的检测精度,能够满足地铁信号系统功能需求。In response to the long-term impacts of temperature,humidity,vibration,and electromagnetic interference and other factors on single-side axle counting sensors adopted by subway signal systems,which eventually leads to changes in its parameters and require maintenance personnel to go to the site for periodic inspections,an intelligent calibration solution based on current detection principles for single-side axle counting sensors is introduced.A smart calibration device for single-side axle counting sensors is developed.The device design includes a microcontroller,keyboard driver chip,DC signal isolation converter,LCD display module,and more.It can measure the feedback signals of axle counting sensors,enabling the detection of working parameters remotely from indoor lightning-proof distribution cabinets.It offers convenient operation,safe testing,and through analog testing and comparison with on-site measured data.The intelligent calibration device demonstrates high accuracy and meets the functional requirements of subway signal systems.

关 键 词：计轴传感器 电流检测 智能 校准仪 遥测 

分 类 号：U285[交通运输工程—交通信息工程及控制]