The invention discloses a temperature-and-humidity-adjustable vehicle type recognizer which can adapt to high-temperature, low-temperature and high-humidity environment. The temperature and humidity in the vehicle type recognizer can be reduced automatically to ensure the normal usage of a light curtain sensor. The temperature-and-humidity-adjustable vehicle type recognizer comprises a casing, the light curtain sensor, a cover plate, a fan, a temperature and humidity sensor, a power supply, a controller, a dual-piezoelectric-film sensor, a support rod, a base and two heaters; when the temperature in the casing is higher than a set maximum temperature, the fan is started to reduce the temperature; when the temperature in the casing is lower than a set minimum temperature, the heaters are started to increase the temperature; when the humidity in the casing is higher than a set maximum humidity, the heaters are started to reduce the humidity.


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    Title :

    Temperature-and-humidity-adjustable vehicle type recognizer


    Contributors:
    WU SHUSEN (author) / GUO JUN (author) / CHEN LAN (author) / HUANG YINLIN (author) / LIANG LINLIANG (author) / CHEN RAN (author)

    Publication date :

    2015-04-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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