The invention discloses an automobile seat backrest backward tilting risk avoiding device and a risk avoiding method. The risk avoiding device comprises a seat angle adjusting part, a transparent detection part and a safety belt control part, wherein the seat angle adjusting part includes a ratchet wheel and a clamping jaw, one is installed on a backrest of an automobile seat, the other one isinstalled on a seat of the automobile seat, and after backward pressure borne by the backrest exceeds preset pressure, the ratchet wheel and the clamping jaw can relatively rotate to adjust the angleof the backrest; the transparent detection part is arranged on a back surface of a windshield of the automobile, and after the transparent detection part is pierced, the transparent detection part detects and outputs a danger signal; and the safety belt control part receives the danger signal and makes the safety belt be locked so as to drive the backrest and the corresponding passenger to tilt backwards to avoid danger. According to the risk avoiding device and the risk avoiding method, a risk avoiding purpose can be achieved no matter whether rear-end collision happens to the automobile or the windshield is pierced by a sharp object, human factor intervention is not needed, and avoiding is reliable.
本发明公开一种汽车座椅靠背后倾避险装置和避险方法,避险装置包括:座椅角度调节部,其包括棘轮和卡爪,一者安装于汽车座椅的靠背,一者安装于汽车座椅的椅座,靠背受到的向后压力超过预设压力之后,棘轮和卡爪能够相对转动以调节靠背的角度;透明检测部,设于汽车的挡风玻璃的背面,透明检测部被刺穿后,透明检测部检测并输出危险信号;安全带控制部接收到危险信号,控制安全带锁紧以带动靠背以及相应的乘坐人员后倾以避险。上述避险装置和避险方法,无论是车辆发生追尾还是被尖锐物刺穿挡风玻璃,都可达到避险目的,且无需人为因素介入,避让可靠。
Automobile seat backrest backward tilting risk avoiding device and method
汽车座椅靠背后倾避险装置以及方法
2020-09-29
Patent
Electronic Resource
Chinese