Control strategy and system for intelligent detection of passenger seat safety belts in passenger car

The invention discloses a control strategy and system for intelligent detection of passenger seat safety belts in a passenger car. All the passenger seats of the passenger car are divided into a plurality of areas, a controller is configured in each area, and all the controllers are connected to an in-car display and a central control instrument; a pressure switch and a safety belt switch are arranged below each passenger seat, and the pressure switch and the safety belt switch on each passenger seat are connected in series to form an alarm signal detection loop; and one end of each alarm signal detection loop in each area is grounded, and the other end of each alarm signal detection loop in each area is connected to the corresponding controller in the area. The central control instrumentand the in-vehicle display simultaneously display the area number and the seat number of the alarm seat, and multidirectional alarm prompt is conducted, so passengers and drivers are allowed to develop good safety awareness;