一种智能车载儿童求救装置的设计与实现

该智能车载儿童求救装置是为了避免因父母将幼儿遗忘车里导致其窒息死亡而设计的。该装置利用红外感应器,如探测到车内有被困者,光学系统将接收到人体热辐射能量并聚焦在红外感应器上后转变为电信号,装置接收到电信号,会将求救信息通过无线传输发送至设定手机号码。此外,通过门磁开关检测车门的闭合,只有在驾驶室无人且车门关闭的条件下,才会触发后排座位处的红外感应器。在模型轿车上安装该装置并进行测试,结果表明,满足车门关闭且驾驶室无人的条件时,如后排座位有人,可在一分钟之内向设定手机号码发送求救短信或者致电。该车载搜救装置综合运用了红外检测、自动控制以及远程通信等技术,具有低功耗、低成本、可靠性好且使用安全等特点,为儿童这类弱势群体乘车安全提供了保障,项目具有具好的市场前景。

Design and Implement of the Intelligent Vehicle-Based Child Help Device

The intelligent vehicle-based child help device is designed to prevent babies from hot car fatalities and alerts parents if they’ve left their children in the car.The device uses infrared sensors,and if it detects trapped persons in the car,the optical system will receive the body’s thermal radiation energy,then center on the infrared sensor,and convert body’s thermal radiation energy into an electric signal.When the device receives the electric signal,it will send the emergency information to the saved mobile number in audio and visual way.In addition,by detecting the closure of the door through the door magnetic switch,the device will trigger the infrared sensor at the back seat only when the cab is unmanned,and the door is closed.After testing the device on model sedans multiple times,the test results show that when the condition that the door is closed,and nobody is in the cab is met,and that if someone there in the back row,the device can send a help message or call to the saved mobile number within 60s.The vehicle-mounted search and rescue device integrates infrared detection,automatic control,and remote communication technologies.It also has features such as low power consumption,low cost,good reliability,and safe to use.The device provides a guarantee for the safety of children as a vulnerable group,and it has promising market prospects.