The invention belongs to the technical field of vehicle safety, and particularly relates to a vehicle-mounted alcohol detection system. The system comprises a primary screening alcohol sensor and a fine screening alcohol sensor, the convenience and the accuracy of the vehicle-mounted alcohol detection system can be improved; three independent DC-DC power supply modules are designed; the DC-DC power supply module of the primary screening alcohol sensor supplies power to the DC-DC power supply module of the fine screening alcohol sensor, and the DC-DC power supply module supplies power to the processor MCU independently, so that the energy-saving and stable requirements of the vehicle-mounted alcohol detection system circuit can be better met.
本发明属于车辆安全技术领域,尤其涉及一种车载酒精检测系统;包括初筛酒精传感器和精筛酒精传感器,可以提高车载酒精检测系统的便捷性和精确性,并且通过三个独立DC‑DC电源模块的设计,通过初筛酒精传感器的DC‑DC电源模块给精筛酒精传感器的DC‑DC电源模块供电,且通过DC‑DC电源模块为处理器MCU单独供电,可以更好满足车载酒精检测系统电路的节能、稳定的需求。
Vehicle-mounted alcohol detection system
一种车载酒精检测系统
07.08.2020
Patent
Elektronische Ressource
Chinesisch
IPC: | G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |
Vehicle-mounted alcohol detection method and detection system
Europäisches Patentamt | 2023
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