摘要
目前市场上有关盲人生活的商品和服务还不够完善,盲人出行基本还是依赖于传统的导盲杖、盲道和导盲犬。但是在复杂多变的路况下,由于盲道的不正确设置及导盲犬受外界因素干扰时,势必会对盲人的出行造成较大的安全隐患。文章提出的智能导盲仪系统是一款基于物联网传感技术及移动通信技术的的智能化导盲杖。该智能导盲杖可通过智能传感器感知周边环境,当出现险情时可及时进行提前预警,以确保盲人的出行安全。该智能导盲仪系统包括单片机处理器、红外传感器、倾斜角度传感器、语音播报模块、GPS模块和GSM模块等。系统通过红外传感器检测人与障碍物之间的距离,并通过语音播报模块实现障碍物提前预警,确保使用者的人身安全;通过倾斜角度传感器检测导盲杖的倾斜角度,以判断使用者是否出现摔倒等情况;通过GPS模块可实时获取使用者当前位置;当传感器数据上传到处理器后,系统可根据提前设定的阈值判断是否出现意外情况,当判断出现意外情况时,可通过GSM模块将意外险情和位置信息及时通知其家人和朋友,以帮助其在最短时间内得到救助。
At present,the goods and services related to the life of the blind in the market are not perfect enough.The travel of the blind basically depends on the traditional guide stick,tactile paving and guide dog.However,under thce complex and changeable road conditions,the incorrcct setting of tactile paving and the interference of guide dogs by external factors will inevitably cause greater safety hazards for the blind.The intelligent guide cane system proposed in this article is an intelligent guide cane based on IoT sensing technology and mobile communication technology.This intelligent guide cane can perceive the surrounding environment through intelligent sensors,and can provide cearly warning in case of danger to cnsure the safety of blind people's travel.The intelligent guidance device system includes a microcontroller processor,infrared sensors,tilt angle sensors,voice broadcast modules,GPS modules,and GSM modules.The system detects the distance between people and obstacles through infrared sensors,and achieves carly warning of obstacles through voice broadcasting modules to ensure the personal safety of users;Detecting the tilt angle of the guide cane through a tilt angle sensor to determine whether the user has fallen or not;Real time acquisition of the user's current location can be achieved through the GPS module;After the sensor data is uploaded to the processor,the system can determine whether an unexpected situation has occurred based on a pre-set threshold.When an uncxpccted situation is dctected,the GSM module can promptly notify their family and fricnds of the danger and location information,in order to help them receive assistance in the shortest possible time.
作者
罗福龙
丁朝阳
商俊
张文彬
范堃
LUO Fulong;DING Zhaoyang;SHANG Jun;ZHANG Wenbin;FAN Kun(China Mobile Communications Group Design Institute Co.,Ltd.,Hubei Branch,Wuhan,Hubei Province 430024)
出处
《长江信息通信》
2024年第4期21-24,共4页
Changjiang Information & Communications
关键词
智能导盲仪
传感技术
GSM
GPS
Intelligent blinding device
Sensing technology
GSM
GPS
