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交通检测器是指能对某种可促使开关触点闭合的机械力或可表征车辆运动、存在的能量变化等敏感,以完成交通检测功能的仪器。早期的交通检测器只是传声器与放大器的组合,根据汽车喇叭声量的大小决定继电器的闭合。随着电、磁、声、光、计算机等学科突飞猛进的发展,以及交通工程自身需求的发展,人们研制出了各种交通检测器,这就为实时掌握高等级道路的状况、交通环境,进而实行交通自动控制奠定了基础。本讲介绍高等级道路检测器的类型及配置使用等方面的情况。
Traffic detector refers to some kind of mechanical force that can make the switch contact closed or can be characterized vehicle movement, the presence of energy changes and other sensitive to complete the traffic detection function of the instrument. Early traffic detector is just a combination of microphone and amplifier, according to the size of the car’s horn volume relay determines the closure. With the rapid development of electricity, magnetism, sound, light and computer and other disciplines and the development of traffic engineering needs, various traffic detectors have been developed. This real-time grasps the status of high-grade roads, the traffic environment, The implementation of automatic traffic control laid the foundation. This talk introduces the types of high-grade road detectors and the use of configuration and other aspects.