Reminder device for seat belt buckle

The invention relates to the field of seat belts for vehicles such as airplanes and automobiles, and provides a reminder device for seat belt buckles, which solves the problem that passengers forget to buckle up seat belts while taking vehicles. The reminder device for the seat belt buckle works through the combination of infrared or ultrasonic detection and wireless radio frequency identification, through infrared or ultrasonic detection to confirm whether there are passengers on the seats; through the wireless radio frequency identification method to determine whether the male and female belt buckles with implanted electronic tags are matched with each other and located together, if yes, the seat belt is buckled; if not, the seat belt is not buckled, and the device emits sound and light alarm to prompt that the seat belt is not buckled. 本发明涉及飞机、汽车等交通工具的安全带领域，是种安全带系扣提示的装置，解决旅客在乘坐交通工具忘记系扣安全带的问题。安全带系扣提示装置由红外线或超声波探测与无线射频识别组合工作，采用红外线或超声波探测确认座位上是否有乘客；采用无线射频识别方法，判断植入电子标签的安全带公母扣是否配套、位置是否在起，如果是，则说明安全带已经系扣；如果不是，则说明安全