Summary of the invention
The angle that the present invention mainly solves original wing mirror needs manually to regulate, and different chaufeur sits in operator's compartment to be needed to reset, and complete vehicle weight changes and needs to reset, and exists and regulates frequent, unhandy technical matters; A kind of Vehicle side rear view mirror intelligent regulation control system and control method thereof are provided, it can according to the change of driver's eyes locus, automatically by rearview mirror angular adjustment to best angle, make chaufeur maintain the optimum drive visual field always, improve traveling comfort and the safety of driving.
The present invention solves original automobile simultaneously and cannot change (as turned, reversing) in the process of moving according to motoring condition and go to regulate the angle of rearview mirror to obtain optimum field, and rearview mirror exists blind area and dead angle, affects the technical matters of driving safety; A kind of Vehicle side rear view mirror intelligent regulation control system and control method thereof are provided, its can according to motoring condition change automatically by rearview mirror angular adjustment to best angle, dead zone-eliminating and dead angle, make chaufeur maintain the optimum drive visual field always, improves the safety of running car.
Above-mentioned technical matters of the present invention is mainly solved by following technical proposals: Vehicle side rear view mirror intelligent regulation control system of the present invention, camera and automobile LOAD CELLS and provide the power subsystem unit of operating voltage for whole Vehicle side rear view mirror intelligent regulation control system in the car comprising central processing unit and be connected with central processing unit, in car, camera is arranged on vehicle drive indoor and is positioned at front or the diagonally forward of driver's seat, the control signal mouth of described central processing unit is connected with the motor up and down of wing mirror through the first driving circuit respectively, be connected with the left and right motor of wing mirror through the second driving circuit.Central processing unit can be the central processing unit be used alone, and as CPU, MCU etc., also can share with the ECU on original automobile.Chaufeur sits in chaufeur, start automobile, in car, camera takes chaufeur photo to central processing unit, central processing unit is through the analysis of internal processes, process and calculating, obtain the locus of driver's eyes, calculate and the car side back sight best angle of this driver's eyes locus coupling, then export control signal to the first driving circuit and the second driving circuit, drive upper and lower motor and left and right motor to rotate, control rearview mirror and turn to best angle.Automobile LOAD CELLS gathers vehicle complete vehicle weight to central processing unit, if vehicle complete vehicle weight changes in follow-up traveling, then in central processing unit controls car, camera is taken pictures to the chaufeur be sitting on driver seat again, readjusts car side back sight angle.Therefore, no matter that different chaufeur sits in operator's compartment and causes pilot's line of vision and rearview mirror angle not to mate, or the change of automobile passenger or other reasons cause complete vehicle weight change and cause pilot's line of vision and rearview mirror angle not to mate, Vehicle side rear view mirror intelligent regulation control system of the present invention can adjust rearview mirror in time automatically, make chaufeur maintain the optimum drive visual field always, improve the traveling comfort and safety driven.
As preferably, described central processing unit is connected with corner of vehicle steering wheel sensor.Corner of vehicle steering wheel sensor gathers bearing circle institute corner angle value and flows to central processing unit, central processing unit by analysis and calculate, export control signal to the second driving circuit, drive left and right motor to rotate, control rearview mirror and do to horizontally rotate best angle.Automobile turns left, then left side back mirror cw horizontally rotates, and just, then left side back mirror is turned back to original position to steering wheel return; Automobile is turned right, then right rear anticlockwise horizontal rotates, and just, then right rear is turned back to original position to steering wheel return.The technical program can according to motoring condition change automatically by rearview mirror angular adjustment to best angle, dead zone-eliminating and dead angle, make chaufeur maintain the optimum drive visual field always, the safety of raising running car.
As preferably, described power subsystem unit adopts Vehicular accumulator cell, and Vehicular accumulator cell is connected with Vehicle side rear view mirror intelligent regulation control system through automobile ignition switch, source switch.Start a car, turns on the power switch, and Vehicle side rear view mirror intelligent regulation control system could obtain the electric energy that Vehicular accumulator cell provides.When not needing automatically to regulate rearview mirror, PTO Power Take Off switch.Mode of operation can be selected, and uses flexibly.
As preferably, described central processing unit is connected with reversing automobile gear position sensor.Reversing automobile gear position sensor gathers reverse place value and flows to central processing unit, central processing unit by analysis and calculate, export and control to the first driving circuit, upper and lower motor is driven to rotate, general control rearview mirror is towards rotation 3 ~ 10 degree, make driver's seat be conducive to reversing, eliminate blind area when moveing backward and dead angle, improve reversing safety.
As preferably, described central processing unit is connected with rotating speed of automobile engine sensor, car-mounted display unit respectively.Rotating speed of automobile engine sensor gathers engine speed and flows to central processing unit, and the various sensor parameters that central processing unit obtains and the rearview mirror angle value calculated all can be presented on car-mounted display unit.When engine speed is too low, do not start the regulatory function of rearview mirror, only have when engine speed is higher than a setting value, just start the Intelligent adjustment function of rearview mirror.Guarantee that Vehicle side rear view mirror intelligent regulation control system of the present invention is just started working after automobile starting, avoid it to make invalid action.
Wing mirror Intelligent adjustment control method of the present invention is, be set with the reference position of driver's eyes and the wing mirror standard angle corresponding with this reference position in described central processing unit, described control method comprises the steps:
1. in described car, camera shooting is sitting in the photograph of the chaufeur on driver seat, and flow to described central processing unit, central processing unit identifies driver eye positions in photograph by picture recognition module, then by the reference position comparison of rearview mirror regulating parameter computing module by actual for chaufeur eye position and driver's eyes, and calculate by light reflection principle the angle that wing mirror should be in, calculate the up and down motor corresponding with this angle and the corner of left and right motor again, finally send control signal respectively to the first described driving circuit and the second driving circuit by central processing unit, the motor up and down and the left and right motor that control wing mirror rotate, wing mirror is made to turn to the angle corresponding with driver's eyes place height,
2. described automobile LOAD CELLS gathers vehicle complete vehicle weight, and weight data is flowed to described central processing unit, central processing unit judges whether the vehicle complete vehicle weight data received changes, as changed, then again the chaufeur be sitting on driver seat is taken pictures by camera in the car described in central processing unit controls, get back to step 1..
Adopt the technical program, no matter that different chaufeur sits in operator's compartment and causes pilot's line of vision and rearview mirror angle not to mate, or the change of automobile passenger or other reasons cause complete vehicle weight change and cause pilot's line of vision and rearview mirror angle not to mate, can automatically adjust rearview mirror in time, make chaufeur maintain the optimum drive visual field always, improve the traveling comfort and safety driven.
As preferably, described central processing unit is connected with corner of vehicle steering wheel sensor; Described control method comprises: be set with a corner of vehicle steering wheel limit in described central processing unit, the corner of vehicle steering wheel value collected is flowed to central processing unit by described corner of vehicle steering wheel sensor, by described rearview mirror regulating parameter computing module, corner of vehicle steering wheel value and limit are compared, if corner of vehicle steering wheel value reaches the limit of value, then central processing unit exports control signal to the second driving circuit, drive left and right machine operation, regulate the level angle of rearview mirror.
Automobile turns left, then left side back mirror cw horizontally rotates, and just, then left side back mirror is turned back to original position to steering wheel return; Automobile is turned right, then right rear anticlockwise horizontal rotates, and just, then right rear is turned back to original position to steering wheel return.The technical program can when automobile turning automatically by rearview mirror angular adjustment to best angle, eliminate blind area when turning and dead angle, make chaufeur maintain the optimum drive visual field always, improve the safety of running car.
As preferably, described central processing unit is connected with reversing automobile gear position sensor; Described control method comprises: the backing car gear signal collected is flowed to central processing unit by described reversing automobile gear position sensor, by central processing unit by analysis and process, export control signal to the first described driving circuit, drive the upper and lower motor of automobile rearview mirror to rotate, make automobile rearview mirror rotate 3 ~ 10 degree down.Blind area during the technical program elimination reversing and dead angle, make driver's seat be conducive to reversing, improves reversing safety.
The invention has the beneficial effects as follows: automatically can adjust in time car side back sight mirror angle according to the change (comprise left-hand rotation, turn right and reversing) of the change of the difference of the chaufeur that operator's compartment seat is sat, complete vehicle weight and motoring condition, rearview mirror is made to be adjusted to best angle, dead zone-eliminating and dead angle, make chaufeur maintain the optimum drive visual field always, improve traveling comfort and the safety of running car.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: the Vehicle side rear view mirror intelligent regulation control system of the present embodiment, as shown in Figure 1, comprise central processing unit 1, camera 2 in car, automobile LOAD CELLS 3, first driving circuit 5, second driving circuit 6, upper and lower motor 7, left and right motor 8 and provide the power subsystem unit of operating voltage for whole Vehicle side rear view mirror intelligent regulation control system, camera 2 in car, automobile LOAD CELLS 3, first driving circuit 5 is connected with central processing unit 1 respectively with the second driving circuit 6, first driving circuit 5 is connected with the motor up and down 7 of wing mirror, second driving circuit 6 is connected with the left and right motor 8 of wing mirror, in car, camera 2 is arranged on vehicle drive indoor and is positioned at the front of driver's seat, according to the locus layout in operator's compartment, in car, camera also can be arranged on the diagonally forward of driver's seat, when in car, the setting height(from bottom) of camera and most of chaufeur are sitting on driver's seat, its eyes place height is basically identical.Car-mounted display unit 14, rotating speed of automobile engine sensor 13, corner of vehicle steering wheel sensor 9 and reversing automobile gear position sensor 12 are connected with central processing unit 1 respectively, power subsystem unit adopts Vehicular accumulator cell 4, and Vehicular accumulator cell 4 is connected with Vehicle side rear view mirror intelligent regulation control system through automobile ignition switch 10, source switch 11.Picture recognition module, rearview mirror regulating parameter computing module and the reference position of general driver's eyes, the wing mirror standard angle corresponding with this reference position and corner of vehicle steering wheel limit is stored in central processing unit 1.
The control method of above-mentioned Vehicle side rear view mirror intelligent regulation control system comprises the steps:
1. open automobile ignition switch 10, turn on the power switch 11, rotating speed of automobile engine reaches 500RPM, and Vehicle side rear view mirror intelligent regulation control system is started working;
2. in car, camera 2 shooting is sitting in the photograph of the chaufeur on driver seat, and flow to central processing unit 1, central processing unit 1 identifies driver eye positions in photograph by picture recognition module, then by the reference position comparison of rearview mirror regulating parameter computing module by actual for chaufeur eye position and driver's eyes, and calculate by light reflection principle the angle that wing mirror should be in, calculate the up and down motor 7 corresponding with this angle and the corner of left and right motor 8 again, finally send control signal respectively to the first driving circuit 5 and the second driving circuit 6 by central processing unit 1, the motor up and down 7 and the left and right motor 8 that control wing mirror rotate, rearview mirror is made to turn to the angle corresponding with locus, driver's eyes place, engine speed simultaneously, rearview mirror vertical angle and level angle are presented on vehicle-carrying display screen,
3. automobile LOAD CELLS 3 gathers vehicle complete vehicle weight, and weight data is flowed to central processing unit 1, central processing unit 1 judges whether the vehicle complete vehicle weight data received changes, as changed, then control camera 2 in car by central processing unit 1 again to take pictures to the chaufeur be sitting on driver seat, get back to step 2.;
4. the corner of vehicle steering wheel value collected is flowed to central processing unit 1 by corner of vehicle steering wheel sensor 9, by rearview mirror regulating parameter computing module, corner of vehicle steering wheel value and limit are compared, if corner of vehicle steering wheel value reaches the limit of value, then central processing unit 1 exports control signal to the second driving circuit 6, drive left and right motor 8 to work, regulate the level angle of rearview mirror; Be specially: automobile turns left, then left side back mirror cw horizontally rotates, and just, then left side back mirror is turned back to original position to steering wheel return; Automobile is turned right, then right rear anticlockwise horizontal rotates, and just, then right rear is turned back to original position to steering wheel return;
5. the backing car gear signal collected is flowed to central processing unit 1 by reversing automobile gear position sensor 12, by central processing unit 1 by analysis and process, export control signal to the first driving circuit 5, drive the upper and lower motor 7 of automobile rearview mirror to rotate, make 6 degree, the automobile rearview mirror bottom;
6. after automobile stops, engine speed is lower than 500RPM, and ignition lock is closed, and Vehicle side rear view mirror intelligent regulation control system stops opening work.
Certainly, if chaufeur is not wanted to use Vehicle side rear view mirror intelligent regulation control system automatically to regulate rearview mirror angle, PTO Power Take Off switch, Vehicle side rear view mirror intelligent regulation control system just can be made to quit work.
The present invention can adjust car side back sight mirror angle automatically in time according to the change (comprise left-hand rotation, turn right and reversing) of the change of the fat or thin difference of the height of the chaufeur that operator's compartment seat is sat, complete vehicle weight and motoring condition, rearview mirror is made to be adjusted to best angle, dead zone-eliminating and dead angle, make chaufeur maintain the optimum drive visual field in vehicle traveling process always, improve traveling comfort and the safety of running car.