BRUSHLESS TYPE SYSTEM AND METHOD FOR AUTOMATIC WASHING OF A VEHICLE
The method for automatic washing of vehicles in a brushless washing system of the type comprising spraying nozzles arranged in at least a first rototranslational arc structure with respect to a vehicle immobile at a washing position, comprises the steps of acquiring the spatial profile of the vehicle when it is immobile at the washing position, using the spatial profile of the vehicle as the reference to generate a rototranslational movement profile of the first arc structure with respect to the to the vehicle immobile at the washing position in which fixed at a desired value is the distance of the first arc structure from the spatial profile of the vehicle and moving the first arc structure along the movement profile keeping the modulus of the instantaneous velocity vector of the first arc structure at a desired value.
1 . Method for automatic washing of vehicles in a brushless system of the type comprising spraying nozzles arranged in at least one arc structure rototranlsating with respect to the vehicle immobile at a washing position, characterised in that it comprises the steps of acquiring the spatial profile of said vehicle when it is immobile at said washing position, using said spatial profile of said vehicle as a reference to generate a rototranslational movement profile of said at least first arc structure with respect to said vehicle immobile at said washing position in which set at a desired value from said spatial profile of said vehicle is the distance of said first arc structure, and moving said first arc structure along said movement profile by setting also the modulus of the instantaneous velocity vector of said first arc structure at a desired value.
2 . Washing method according to claim 1 , characterised in that set at a constant value from said spatial profile of said vehicle is the distance of said first arc structure.
3 . Washing method according to claim 1 , characterised in that set at a constant value is the modulus of the instantaneous velocity vector of said first arc structure.
4 . Washing method according to claim 1 , characterised in that said acquisition of the profile of said vehicle is of the discrete acquisition points type, the points being interpolated in such a manner to confer to said spatial profile the shape of regular and continuous curvilinear function.
5 . Washing method according to claim 1 , characterised in that said acquisition of the profile of said vehicle is analogue.
6 . System for automatic washing of vehicles, in particular of the brushless type, comprising at least a first arc structure provided with spraying nozzles for at least a first washing agent, rotating support means at least of said first arc structure around a first axis of rotation, and translation means of said support means in a translation direction parallel to the main axis of the vehicle, characterised in that it comprises means for acquiring the spatial profile of said vehicle immobile at the washing position, said acquiring means being connected to a control unit adapted to acquire said special profile of said vehicle, processing a first rototranslational movement profile of said first arc structure, said first movement profile developing at a desired distance from said spatial profile of said vehicle and to control the performance of said first movement profile with the desired instantaneous velocity vector modulus.
7 . System for automatic washing of vehicles according to claim 6 , characterised in that it comprises at least a second arc structure provided with spraying nozzles for at least a second washing agent, held rotating by said support means around a second axis of rotation parallel to said first axis of rotation and separated from it, along said translation direction, by a fixed distance.
8 . System for automatic washing of vehicles according to claim 7 , characterised in that said control unit is adapted to acquire said spatial profile of said vehicle also to process a second rototranslation movement profile of said second arc structure, said second movement profile developing at a desired distance from said special profile of said vehicle, and to control the performance of said second movement profile with the desired instantaneous velocity vector modulus.
9 . System for automatic washing of vehicles according to claim 6 , characterised in that said translation means comprise a carriage mobile along a fixed linear guide which develops parallel to said translation direction.
10 . System for automatic washing of vehicles according to claim 6 , characterised in that said acquiring means comprise at least a first vertical column of photoelectric cells.
11 . System for automatic washing of vehicles according to claim 10 , characterised in that said first column of photoelectric cells is held by said support means at a central position with respect to said carriage and in a moveable manner with respect to said carriage in the said translation direction.
12 . System for automatic washing of vehicles according to claim 6 , characterised in that said acquiring means comprise a first column of photoelectric cells and a second column of photoelectric cells are held by said support means at the opposite ends of said carriage and in a fixed manner with respect to said carriage.
13 . System for automatic washing of vehicles according to claim 6 , characterised in that said first and second axis of rotation are horizontal and coplanar in a horizontal plane.
14 . System for automatic washing of vehicles according to claim 6 , characterised in that said first and second arc structures have the same shape and size.
15 . System for automatic washing of vehicles according to claim 6 , characterised in that said first and second arc structures have a taper towards their apical part to allow a rotation up to 180° with a suitable angular offset without mutual interference.
16 . System for automatic washing of vehicles according to claim 8 , characterised in that said first and second arc structures have a taper towards their apical part to allow a rotation up to 180° with a suitable angular offset without mutual interference.
17 . System for automatic washing of vehicles according to claim 8 , characterised in that said translation means comprise a carriage mobile along a fixed linear guide which develops parallel to said translation direction.
18 . System for automatic washing of vehicles according to claim 8 , characterised in that said acquiring means comprise at least a first vertical column of photoelectric cells.
19 . System for automatic washing of vehicles according to claim 8 , characterised in that said acquiring means comprise a first column of photoelectric cells and a second column of photoelectric cells are held by said support means at the opposite ends of said carriage and in a fixed manner with respect to said carriage.
20 . System for automatic washing of vehicles according to claim 11 , characterised in that said first and second axis of rotation are horizontal and coplanar in a horizontal plane.