Low-power-consumption sensor signal acquisition control circuit, device and system

• Main Authors: ZHONG FUCHANG, QI YONGFENG, YAN SHENGFU, XU KE, MAO HUABIN, YU LINGHUI, YANG YING, LI XIANPENG, YANG ZHOU, XING HUANLIN, ZHONG WANXUAN
• Format: Patent
• Language: Chinese; English
• Published: 17.05.2024
• Subjects: CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING

The utility model discloses a low-power-consumption sensor signal acquisition control circuit, device and system. The circuit comprises a microprocessor module, an AD conversion module, a sensor module and a reference power supply module. The power supply end of the sensor module is connected with the reference power module; the signal acquisition end of the AD conversion module is connected with the signal output end of the sensor, and the control end of the AD conversion module is connected with the grounding end of the sensor; wherein the control end pin is an analog switch capable of connecting the input of the control end pin to GND; the microprocessor module is connected with the communication end of the AD conversion module through a first bus; the microprocessor module is used for controlling the control end of the AD conversion module to be conducted and grounded, so that a power supply loop of the sensor is conducted to achieve power-on work of the sensor, and the microprocessor module receives a se