In recent years, tourism has risen to a national strategy. From the "Opinions of the State Council on Accelerating the Development of Tourism" issued in 2009, to the first tourism law "Tourism Law of the People's Republic of China" issued in 2013, to the "Several Measures of the State Council on Promoting the Reform and Development of Tourism" issued in 2014 Opinions", which all reflect that the country has raised the tourism industry to a strategic level.

During the peak tourist season, there are often congestion of vehicles entering and leaving the scenic spot. The vehicle barrier control machine is used, with built-in license plate recognition, with high accuracy, truly unattended, intelligent control, greatly improving the efficiency of vehicle entry and exit, and effectively solving the congestion situation. In addition, in the case of frequent vehicle entry and exit, the vehicle cannot effectively trigger the license plate recognition camera in many cases when the vehicle follows closely. Or in the case of insufficient light at night, it will also cause the license plate to be recognized incorrectly or not recognized. In order to solve these problems, the parking lot can be multifunctional column. The multi-functional column can not only ensure the uniform illumination of the light, but also ensure the light intensity, and the infrared grating with high sensitivity and strong anti-interference can effectively solve the problem of car following.