Safety system for a motor vehicle door, comprising at least two sensors
The invention relates to a safety system for a door in a motor vehicle, comprising an electronic unit that includes at least one first and a second sensor. Each sensor has its own monitoring zone on the motor vehicle door. The safety system further comprises a lock which is arranged on the motor vehicle door and can be switched between a locked position and an unlocked position, as well as a user-held identifier which can be brought into data communication with a transceiver unit in the motor vehicle for authentication purposes. The electronic unit is designed in such a way as to be able to generate a trigger signal by having the user execute at least one defined movement pattern within the monitoring zones, thus allowing the position of the lock to be switched.
1. Safety system ( 10 ) for a motor vehicle door ( 2 ) of a motor vehicle ( 1 ), with an electronic unit ( 15 ), which comprises at least one first ( 11 ) and one second sensor ( 12 ), wherein each sensor ( 11 , 12 ) comprises an own monitoring zone ( 13 , 14 ) at the motor vehicle door ( 2 ), a lock ( 3 ) assembled at the motor vehicle door ( 2 ), that can be brought between a locking position and an unlocking position, and a user-held identifier ( 5 ), which can be brought in data communication with a vehicle-related transceiver unit ( 18 ) for authentication purpose ( 8 ), wherein the electronic unit ( 15 ) is shaped in a way that via at least a defined movement pattern ( 9 ) of the user ( 4 ) within each of the monitoring zones ( 13 , 14 ) a trigger signal ( 6 ) can be generated by the electronic unit ( 15 ), wherein a change of positions of the lock ( 3 ) is possible, wherein based on a positive authentication, both sensors ( 11 , 12 ) are switched on in order to effectively sense the movement pattern ( 9 ), wherein the electronic unit ( 15 ) comprises an evaluation unit ( 17 ) which in dependence of the movement pattern, which sensed by the first ( 11 ) and the second sensor ( 12 ), generates different trigger signals ( 6 ) for vehicle-related actions ( 7 ), and wherein at least one sensor ( 11 , 12 ) can be switched ineffective by the evaluation unit ( 17 ).
2. Safety system ( 10 ) according to claim 1 ,
characterized in that
a handle ( 37 ) is assembled at the vehicle door ( 2 ), in which at least partially the electronic unit ( 15 ) is integrated, wherein particularly the first sensor ( 11 ) is assembled in the motor vehicle door ( 2 ) and the second sensor ( 12 ) is assembled in the handle ( 37 ).
3. Safety system ( 10 ) according to claim 1 ,
characterized in that
a defined time interval is intended in the electronic unit ( 15 ), in which both sensors ( 11 , 12 ) are to be activated according to the movement pattern ( 9 ) in order to generate a trigger signal ( 6 ).
4. Safety system ( 10 ) according to claim 1 ,
characterized in that
the electronic unit ( 15 ) comprises three sensors ( 11 , 12 , 16 ), wherein the first ( 11 ) and the second sensor ( 12 ) serve for the recognition of a movement pattern ( 9 ) at the motor vehicle door ( 2 ) and the third sensor ( 16 ) is assembled at the motor vehicle ( 1 ) in a way in order to initially recognize the user ( 4 ) regardless that the user ( 4 ) has performed a movement pattern ( 9 ).
5. Safety system ( 10 ) according to claim 4 ,
characterized in that
the electronic unit ( 15 ) comprises an evaluation unit ( 17 ), which in dependence of the movement pattern ( 9 ), which is sensed by the first ( 11 ) and the second sensor ( 12 ) and/or the third sensor ( 16 ), generates different trigger signals ( 6 ) for vehicle-related actions ( 7 ), wherein particularly
a trigger signal ( 6 ) releases the locking of the lock ( 3 ) and/or
a trigger signal ( 6 ) releases the unlocking of the lock ( 3 ) and/or
a trigger signal ( 6 ) supports the opening of the motor vehicle door ( 2 ) and/or
a trigger signal ( 6 ) supports the closing of the vehicle door ( 2 ) and/or
a trigger signal ( 6 ) releases the opening of the motor vehicle window ( 30 ) and/or
a trigger signal ( 6 ) releases the closing of the motor vehicle window ( 30 ) and/or
a trigger signal ( 6 ) releases the opening of the fuel lid ( 31 ) of the motor vehicle ( 1 ) and/or
a trigger signal ( 6 ) releases the closing of the fuel lid ( 31 ) of the motor vehicle ( 1 ) and/or
a trigger signal ( 6 ) releases the closing of the sliding roof ( 32 ) of the motor vehicle ( 1 ) and/or
a trigger signal ( 6 ) releases the opening of the sliding roof ( 32 ) of the motor vehicle ( 1 ) and/or
a trigger signal ( 6 ) releases the closing of the trunk ( 33 ) of the motor vehicle ( 1 ) and/or
a trigger signal ( 6 ) releases the opening of the trunks of ( 33 ) of the motor vehicle ( 1 ).
6. Safety system ( 10 ) according to claim 5 ,
characterized in that
at least one sensor ( 11 , 12 , 16 ) is switched ineffective via the evaluation unit ( 17 ), particularly with or without time delay.
7. Safety system ( 10 ) according to claim 4 ,
characterized in that
the third sensor ( 16 ) can be activated to via the user ( 4 ) outside the motor vehicle ( 1 ), particularly that via a further movement pattern ( 9 ) the third sensor ( 16 ) can be activated.
8. Safety system ( 10 ) according to claim 4 ,
characterized in that
the third sensor ( 16 ) is assembled underneath the motor vehicle door ( 2 ), particularly at a door sill of the door ( 2 ), or that the third sensor ( 16 ) is assembled at or underneath a bumper at the rear end of the motor vehicle ( 34 ).
9. Safety system ( 10 ) according to claim 2 ,
characterized in that
the motor vehicle door ( 2 ) comprises a recessed grip ( 35 ), at which particularly the handle ( 37 ) is assembled, wherein the first sensor ( 11 ) and/or the second sensor ( 12 ) is assembled at the recessed grip ( 35 ).
10. Safety system ( 10 ) according to claim 4 ,
characterized in that
the third sensor ( 16 ) can be activated by a movement of the foot of the user ( 4 ).
11. Safety system ( 10 ) according to claim 1 ,
characterized in that
the motor vehicle door ( 2 ) is without a handle, particularly without a grip, so at the first ( 11 ) and second sensor ( 12 ) are positioned in the motor vehicle door ( 2 ).
12. Safety system ( 10 ) according to claim 1 ,
characterized in that
the first sensor ( 11 ) is assembled adjacent to the second sensor ( 12 ) and/or that the first sensor ( 11 ) is assembled horizontal to the platform ( 36 ) of the motor vehicle ( 1 ) adjacent to the second sensor ( 12 ) and/or that the first sensor ( 11 ) is assembled horizontal to the platform ( 36 ) of the motor vehicle ( 1 ) above the second sensor ( 12 ) and/or that the first sensor ( 11 ) is assembled at least partially above the second sensor ( 12 ).
13. Safety system ( 10 ) according to claim 1 ,
characterized in that
the lock ( 3 ) is a mechanical lock ( 3 ) or an electromechanical lock ( 3 ).
14. Safety system ( 10 ) according to claim 1 ,
characterized in that
the first sensor ( 11 ) comprises a distance D to the second sensor ( 12 ), which is between 5 cm≦D≦30 cm, particularly between 10 cm≦D≦20 cm.
15. Safety system ( 10 ) according to claim 1 ,
characterized in that the first sensor ( 11 ) and/or the second sensor ( 12 ) are shaped as a longitudinal flat electrode, wherein in longitudinal direction sensitive electrode sections ( 11 a , 12 a ) with a first surface width with minor sensitive electrode sections ( 11 b , 12 b ) alternate with a second, smaller surface width.
16. Safety system ( 10 ) according to claim 1 , wherein the electronic unit ( 15 ) is shaped in a way, that new and/or additional new movement patterns ( 9 ) can be generated by the user ( 4 ) and are detectable by both sensors ( 11 , 12 ) in order to generate trigger signals ( 6 ) for further vehicle related actions ( 7 ).