Four-in-One Air ConditioningSecurity andAppearance Inspection AutomaticSystem uses the recycling mobile power supply system and thefour-in-one security inspection equipment to check the pressure, insulation, grounding and leakageof the air conditioning, and uses the visual system to automatically check the appearance such as the scratches, dent, rewind, and barcode online. This system can be used as a stand-alone automation module and inserted into the production line.