The invention provides a safety belt tensioning control unit comprising a safety belt, a ranging radar unit, an analog-digital converter, an electric reel, a controller and a safety airbag starter. The safety belt comprises an outer fabric layer and an inner cushion layer; the inner cushion layer is a safety airbag; the edge of the outer fabric layer is a tear edge closed by sewing; the ranging radar unit is disposed on front and rear bumpers of a vehicle and side door pillars thereof and used for outputting ranging signals; the analog-digital converter is connected to the ranging radar unit and is used for converting the ranging signals into digital signals; the electric reel is used for tensioning the safety belt; the controller is connected to the analog-digital converter and controls the electric reel to tension the safety belt when the ranging signals reach a preset value; the safety airbag starter starts the safety airbag when safety airbags in front seats in the vehicle are started.
Safety belt tensioning control unit
2015-06-24
Patent
Electronic Resource
English
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
Safety belt tensioning detection device, safety belt tensioning detection method and safety seat
European Patent Office | 2021
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