Automatic advertisement projection controller for parking lot

The invention discloses an automatic advertisement projection controller for a parking lot. The automatic advertisement projection controller comprises a projector, a module box, an infrared control module, a communication module, a data processing module and a laser ranging module. According to the invention, the projector is controlled to put advertisements by judging the current vehicle condition of the underground parking lot in real time; a curtain is arranged at a conspicuous position upon entering the parking lot; projection is automatically switched on when a car owner drives a car into the parking lot, so that the attention of the car owner is easily attracted; and the projection is automatically switched off after a preset time, so that the advertisement propaganda efficiency isimproved, and meanwhile resources can be saved. 本发明公开了一种用于停车场的广告投影自动控制器，包括投影仪，模块盒，红外控制模块，通信模块，数据处理模块，激光测距模块；本发明通过实时判断当前地下停车场的车况来控制投影仪投放广告；幕布设置在进入停车场的显眼位置，车主开车进入停车场时自动打开投影，容易引起车主的注意力，预设时间后自动关闭投影，提高广告的宣传效率的同时也能够节约资源。