The utility model relates to a car parking stall lock accuse device based on visual identification belongs to electron technical field. The utility model discloses a controlling means and parking space lock device, parking space lock device include resistance pressure sensor I, the resistance parts such as pressure sensor II, steel pipe I, bottom plate, base I of meeting an emergency of meeting anemergency, controlling means includes modules such as camera module, image processing module, the camera module is connected with pressure sensor module, image processing module respectively, and image processing module is connected with infrared distance measuring device, single -chip computer control module, infrared resetting means respectively, and single -chip computer control module is connected with motor -drive circuit, electromagnetic drive circuit, alarm control module respectively, and motor -drive circuit and image processing module 1 are connected. The utility model discloses simple structure, simple to operate low cost has guaranteed not only that the parking stall is only used for oneself, guarantees the safety of vehicle moreover.