基于毫米波雷达的接近感应传感器模块设计  

Proximity Sensor Module Design Based on Millimeter Wave Radar

作　　者：许明 孙剑卿 XU Ming;SUN Jianqing(Guangzhou ZhongLei Electronic Science&Technology Co.,Ltd.,Guangzhou 510000,China;Information Technology Center of Internet of Things Co.,Ltd.,Chengdu 610000,China)

机构地区：[1]广州中雷电科科技有限公司,广东广州510000 [2]中移物联网有限公司信息技术中心,四川成都610000

出　　处：《通信电源技术》2021年第17期57-59,共3页Telecom Power Technology

摘　　要：目前,接近感应传感器在工业及消费场景中有大量需求。传统的接近感应技术主要依靠红外线和超声波,具有触发不稳定、容易被遮挡等缺点。雷达依赖于电磁收发技术,具有稳定性高、穿透性好等优点。随着雷达技术的进步,小型化低成本雷达芯片的出现为接近感应带来了新的技术方案。设计了一种基于雷达的接近感应传感器模块,用于汽车尾箱感应开关,包括毫米波天线、毫米波收发电路、数字处理以及控制电路。实验结果表明,模块性能优异,可有效检测踢脚动作,并可推广到其他接近感应场景中。Currently,proximity sensors are in large demand in industrial and consumer scenarios.The traditional proximity sensing technology mainly relies on infrared and ultrasonic,which has disadvantages such as unstable triggering and easy blocking.Radar relies on electromagnetic transceiver technology,which has the advantages of high stability and good penetration.With the advancement of radar technology,the emergence of miniaturized and lowcost radar chips has brought new technical solutions for proximity sensing.A radar-based proximity sensor module is designed for use in a car trunk sensor switch,including millimeter wave antenna,millimeter wave transceiver circuit,digital processing and control circuit.Experimental results show that the module has excellent performance,can effectively detect kicking movements,and can be extended to other proximity sensing scenarios.

关 键 词：接近感应 毫米波雷达 脚踢检测 

分 类 号：TN9[电子电信—信息与通信工程]