The invention provides an automobile driver and passenger sitting posture monitoring system which comprises a headrest pressure sensor, a backrest film type pressure sensor array, a cushion film type pressure sensor array, a seat backrest angle sensor, a microprocessor and an upper computer. The headrest pressure sensor transmits a pressure signal to the microprocessor through the voltage division circuit, the signal conditioning circuit and the AD converter in sequence, and the seat backrest angle sensor transmits an angle signal to the microprocessor through the voltage division circuit, the signal conditioning circuit and the AD converter; the backrest film type pressure sensor array and the cushion film type pressure sensor array transmit pressure signals to the microprocessor through a signal conditioning circuit and AD conversion, and the upper computer is connected with the microprocessor. According to the invention, microprocessor control ports are saved, hardware cost and space of a data acquisition system are reduced, the system can be conveniently applied to automobile seat body pressure detection, the detected area is large, measurement is flexible and convenient, and data acquisition precision and speed are improved at the same time.
一种汽车驾乘人员坐姿监测系统,包括头枕压力传感器、靠背薄膜式压力传感器阵列、坐垫薄膜式压力传感器阵列、座椅靠背角度传感器、微处理器和上位机,头枕压力传感器通过依次通过分压电路、信号调理电路和AD转换将压力信号传输给微处理器,座椅靠背角度传感器通过分压电路、信号调理电路和AD转换将角度信号传输给微处理器;靠背薄膜式压力传感器阵列和坐垫薄膜式压力传感器阵列均通过信号调理电路和AD转换将压力信号传输给微处理器,上位机与微处理器连接。本发明节约了微处理器控制端口,减少了数据采集系统硬件成本以及空间,便于应用于汽车座椅体压检测,被测面积大,测量灵便,同时提高了数据采集精度和速度。
Automobile driver and passenger sitting posture monitoring system
一种汽车驾乘人员坐姿监测系统
2021-11-16
Patent
Elektronische Ressource
Chinesisch
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