Modular personal protection device under the vehicle

An airbag module for fixing on an underside of a rail vehicle between the rail vehicle and a track, the airbag module comprising:

• a bracket for fixing the airbag module on the underside of the rail vehicle;
• a support flap having a front end and a rear end, the support flap being pivotably mounted at the rear end by a pivot bearing, wherein the airbag module is convertible from a closed state into an open state by pivoting the support flap, with the front end of the support flap being movable toward the track;
• a guide element arranged on the front end of the support flap and projecting past the front end of the support flap for contacting the track in the open state of the airbag module;
• and
• an airbag having a first end fixed on the support flap and a second end fixed on the bracket, the airbag being folded in the closed state of the airbag module and unfolded in the open state of the airbag module, wherein the airbag projects past the front end of the support flap in the unfolded state, so that the unfolded airbag and the support flap together form an impact protection for a person on the track,
• wherein the guide element is configured to guide the support flap and the airbag over obstacles on the track in presence of said obstacles.