1995年4月日本三菱电机公司研制成附有防盗报警和一氧化碳报警功能的车用空气清净器,并投放市场。 其主要功能如下: (1)应用高效静电滤清器和活性炭滤清器,对车厢内尘埃和臭味进行净化,比老款式空气清净器提高效率50％; (2)在车厢内装有半导体式传感器,对窜入车厢内的排放废气有害成分CO进行检测,并报警; April 1995 Japan’s Mitsubishi Electric Corporation developed a vehicle equipped with anti-theft alarm and carbon monoxide alarm air purifier, and put on the market. Its main functions are as follows: (1) The application of high efficiency electrostatic filter and activated carbon filter to purify the dust and odor inside the car, than the old style air cleaner to improve the efficiency of 50%; (2) in the car equipped with semiconductor Sensor, fleeing into the compartment of the exhaust emission harmful elements CO detection, and alarm;