PROCESSING UNIT, METHOD AND DEVICE FOR VEHICLE AIR CONDITIONER WARNING

Processing unit (1), method and device for vehicle air conditioner warning are disclosed. The processing unit is configured to judge a ventilation state of the current vehicle location based on positioning satellite signals (3) received by a satellite signal receiving element (2), to judge an operation state of the vehicle engine based on information received by an engine operation state acquisition module (4), to judge a running state of the vehicle based on information received by a vehicle running state acquisition module (5), to judge a using state of the air conditioner based on information received by an air conditioner operation state acquisition module (6), to judge a vehicle door/window opening/closing state based on information received by a door/window opening/closing state acquisition module (7), and to determine that there is a potential risk of poisoning and initiate the warning element (8) when all the following conditions are met: the ventilation state at the current vehicle location is bad, the engine is in operation, the vehicle is in a stopped state or runs at a low speed, the air conditioner is being used, and all the doors and windows of the vehicle are closed.