The invention discloses a vehicle theft prevention method, a vehicle theft prevention device and a vehicle theft prevention system, and belongs to the field of vehicle theft prevention. The vehicle theft prevention system comprises the vehicle theft prevention device arranged on a vehicle and a mobile terminal. The vehicle theft prevention method comprises the steps of judging the state of the vehicle, and considering the vehicle stays at a parking state if the vehicle stays at a static state without a person being in the vehicle; and closing a signal output port of a vehicle ECU if the vehicle stays at the parking state and a door of the vehicle is sensed to be opened; and sending alarm information that the vehicle is stolen to the mobile terminal. The vehicle theft prevention device monitors the state of the vehicle after a vehicle owner parks the vehicle and leaves, the signal output port of the vehicle ECU is closed immediately if a circumstance that the door is opened occurs, and the alarm information that the vehicle is stolen is sent to the mobile terminal. Even if a thief possesses a vehicle key of the owner, the vehicle cannot be started, thereby effectively ensuring the safety of automobiles.
Vehicle theft prevention method, vehicle theft prevention device and vehicle theft prevention system
2015-08-19
Patent
Elektronische Ressource
Englisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |