基于Android系统的可穿戴报警设备设计

2018-08-21丁超杨永杰潘睿申红明

现代电子技术 2018年16期

丁超杨永杰潘睿申红明

摘要：介绍基于Android系统的新型可穿戴报警设备的设计。该设备主要由电子鞋报警模块和Android APP两个部分组成。系统使用微型充电电池搭配压电陶瓷充电电路为报警模块供电，延长电池使用时间。当遇到危险时，使用者可以利用脚跟重压报警按键3 s主动发送信号或者在系统陀螺仪检测到使用者处于摔倒状态，且Android手机脱离连接范围的情况下，自动使用鞋内报警模块驱动低功耗蓝牙4.0向APP发送报警信号。APP将当前记录的GPS数据作为警报信息内容发送至多个已绑定的邮箱和手机，并拨打110报警电话，从而实现及时、快速地求救。實验结果表明，该系统识别危险情况准确，实时性、可靠性较高，具备一定市场应用价值。

关键词： Android；可穿戴设备；陀螺仪；压电陶瓷充电电路；报警设备； GPS

中图分类号： TN820.4?34 文献标识码： A 文章编号： 1004?373X（2018）16?0059?05

Abstract： The design of a novel wearable alarm device based on Android system is introduced. The device is mainly composed of two parts of electronic shoe alarm module and Android APP. In the system， the micro charging battery matched with the piezoelectric ceramic charging circuit is used to supply power for the alarm module， so as to prolong the service time of the battery. When danger comes， users can use their heels to press the alarm button hard for 3 seconds， so as to send signals actively， or their falling state can be detected by the gyroscope of the system. If the Android phone is beyond the connection scope， the electronic shoe alarm module will automatically drive the low?consumption Bluetooth 4.0 to send alarm signals to APP. APP takes the currently?recorded GPS data as the alarm information content to send it to multiple bound mailboxes and mobile phones， and dials the alarm telephone number 110， so as to realize timely and rapid rescue. The experimental results show that the system can identify dangerous circumstances accurately， has high real?time performance， reliability， and a certain market application value.

Keywords： Android； wearable device； gyroscope； piezoelectric ceramic charging circuit； alarm device； GPS