项目编号：mcuclub-cl-025
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总字数：13000+
摘 要
随着我国家庭用车的普及，父母携带儿童出行的机会越来越多，父母携带儿童出行时，还需携带一笨重的手推车，这极大的降低了出行的方便性。因此本文开发了一款提高儿童乘车安全性与方便性的多功能儿童安全座椅。本文使用单片机技术，通过HX711检测座椅是否有儿童，当有儿童后，5秒检测是否系安全，通过红外对射管检测是否系安全带，如果没有系，则蜂鸣器报警，通过GSM模块发送短信“儿童还在座椅上，请速速查看”。研究结果表明，多功能儿童安全座椅可实现车用儿童安全座椅和手推车座椅双重功能，并能在二者间方便的进行切换，该座椅具有较宽的适应性和较高的乘坐舒适性，多功能儿童安全座椅能对 儿童乘员提供有效的保护。
关键词：传感器；安全；单片机；HX711
ABSTRACT
With the popularity of family cars in China, parents have more and more opportunities to travel with their children. When parents travel with their children, they need to carry a heavy wheelbarrow, which greatly reduces the convenience of travel. Therefore, this paper develops a multifunctional child safety seat to improve the safety and convenience of children riding. In this paper, single-chip microcomputer technology is used to detect whether there are children in the seat through HX711, when there are children, 5 seconds to detect whether it is safe to fasten, through the infrared beam tube to detect whether to fasten the seat belt, if not, the buzzer alarm, through the GSM module to send a message “the child is still in the seat, please check quickly”. The results show that the multi-functional child safety seat can realize the dual functions of car child safety seat and trolley seat, and can easily switch between the two. The seat has wide adaptability and high riding comfort, and the multi-functional child safety seat can provide effective protection for the child occupant.
Key Words: sensor; Safety; Single chip microcomputer; HX711
目 录
1 引言
2 系统设计方案
3 硬件设计
4 系统程序设计
5 实物制作与调试过程
结论
致谢
参考文献
附录
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