CN109421586A - Car lamp control system and control method - Google Patents
Car lamp control system and control method Download PDFInfo
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- CN109421586A CN109421586A CN201710777534.9A CN201710777534A CN109421586A CN 109421586 A CN109421586 A CN 109421586A CN 201710777534 A CN201710777534 A CN 201710777534A CN 109421586 A CN109421586 A CN 109421586A
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- vehicle
- mould group
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- information
- car
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/10—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to vehicle inclination, e.g. due to load distribution
- B60Q1/115—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to vehicle inclination, e.g. due to load distribution by electric means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
- B60Q1/444—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal with indication of the braking strength or speed changes, e.g. by changing shape or intensity of the indication
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/11—Linear movements of the vehicle
- B60Q2300/112—Vehicle speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/11—Linear movements of the vehicle
- B60Q2300/114—Vehicle acceleration or deceleration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/13—Attitude of the vehicle body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/43—Indexing codes relating to other road users or special conditions following vehicle
Abstract
The present invention relates to a kind of car lamp control system and control methods, the car lamp control system includes control mould group, sensing mould group and car light mould group, wherein, the sensing mould group is for sensing information of vehicles, including inertial sensor unit, the information of vehicles of the sensing includes the motion state of the vehicle of the inertial sensor unit sensing, and the motion state includes the acceleration and speed of vehicle；And the control mould group is used to determine corresponding car light mode and according to the radiation modality of corresponding car light mode tuning car light mould group according to the information of sensing mould group sensing.Using the present invention, it can guarantee traffic safety to the maximum extent.
Description
Technical field
The present invention relates to automotive field more particularly to a kind of car lamp control system and control methods.
Background technique
Traditional vehicle front lighting lamp system is composed of dipped headlight, high beam, traveling lamp and front fog lamp.In city road
In the case where road traveling and speed limit, dipped beam is mainly used；It is main when running at high speed on country road or highway
To use distance light；When greasy weather travels, it should open fog lamp；Daytime travels, it should open traveling lamp (European standard, this day
Between driving lamp).But it is actual in use, traditional head lamp system there is problems.For example, existing dipped headlight is close
Urban district very bad apart from upper illuminating effect, especially more complicated in traffic condition, often has many drivers at night
Dipped headlight, high beam and front fog lamp are completely opened；There is also the dark spaces of illumination when turning for vehicle, have seriously affected department
Judgement of the machine to obstacle on bend；Vehicle is travel when the rainy day, the light of excess surface water reflection headlamp, generates reflected glare
Etc..
AFS (Adaptive Front Lighting System, self-adaptive headlamp system) refers to can change two automatically
Kind or more light type with adapt to vehicle travel conditions variation head lamp system, the system be one and traffic safety it is closely bound up
Active security system.For example, the light of conventional headlight is because remain one with vehicle heading when exercising on bend
It causes, so inevitably there is the dark space of illumination.Once there are barriers on bend, easily because driver prepares not it
Foot causes traffic accident.And after using AFS, vehicle can generate the light type of rotation when entering bend, to bend with enough
Illumination.
AFS need to obtain different vehicle traveling informations from different sensors.For example, in order to realize bend rotating illuminating
Function, in addition to obtain speed from vehicle speed sensor, steering wheel angle sensor obtains steering wheel angle, height sensor
Obtain tilt angle etc. of the vehicle body with respect to road surface；While the function in order to realize illumination rainy days, it to be obtained from humidity sensor
Whether Yin Yu information.In normal circumstances, partial information is obtained needed for AFS also to be used by other control systems, i.e. AFS
Actually some sensors are shared with other systems, therefore it is necessary to just be able to achieve by after this transmission channel of bus
These sensor informations are shared.And the sensor is only relied on for the acquisition of the information such as motion state, it is difficult comprehensively to obtain
It picks up the car a motion information, the another situation inconsistent there is likely to be actual conditions and sensor sensitive information.
In addition, rotational angle information of steering wheel etc. has been taken into consideration only in AFS, and the angle of corresponding adjustment headlamp, this side
Formula can not correspond to real road situation completely.Such as in the bend of expressway, road, which has, under normal circumstances certain inclines
Rake angle, therefore the vehicle angle that steering wheel rotates when excessively curved can actually be less than the practical excessively curved angle of vehicle.It is shone before as a result,
Lamp can not follow the rotation of the turning of vehicle completely.
Summary of the invention
In view of the above situation, the present invention provides a kind of car light that car light irradiation mode can be adjusted according to road actual conditions
Control system and control method.
On the one hand, the present invention provides a kind of car lamp control system, and the car lamp control system includes control mould group, sensing mould
Group and car light mould group, wherein the sensing mould group is used to sense information of vehicles, including inertial sensor unit, the sensing
Information of vehicles includes the motion state of the vehicle of the inertial sensor unit sensing, and the motion state includes the acceleration of vehicle
Degree and speed；And the control mould group is used to determine corresponding car light mode and according to correspondence according to the information of sensing mould group sensing
Car light mode tuning car light mould group radiation modality.
On the other hand, the present invention also provides a kind of vehicle light control method, the vehicle light control method includes:
The information of vehicle is sensed, the information of the vehicle of the sensing includes the motion state of vehicle, the motion state packet
Include the acceleration and speed of vehicle；
Corresponding car light mode is determined according to the information of the vehicle of sensing；And
The car light mould group of vehicle is sent a signal to according to corresponding car light mode to adjust the radiation modality of car light mould group.
Car lamp control system provided in an embodiment of the present invention is with the advantages of control method: by using inertial sensor
The information such as motion state, the body gesture of vehicle are sensed, headlamp is adjusted according to car speed, acceleration, body gesture etc. and is shone
Firing angle degree avoids and only relies on the limitation that the information such as car speed, steering wheel rotational angle, bodywork height adjust headlamp angle
Property, in addition, setting taillight according to the emergency level of vehicle braking by controlling taillight and being in different mode, such as
In different brightness, reduce the influence to rear car to the maximum extent, while can also guarantee traffic safety to the maximum extent.
Detailed description of the invention
Fig. 1 is the system architecture schematic diagram of the car lamp control system of the first embodiment of the invention.
Fig. 2 is a kind of composition schematic diagram of the inertial sensor unit of car lamp control system shown in Fig. 1.
Fig. 3 is that the another of the inertial sensor unit of car lamp control system shown in Fig. 1 constitutes schematic diagram.
Fig. 4 is a kind of citing of the table of comparisons used in car lamp control system shown in Fig. 1.
Fig. 5 is the method flow diagram of the vehicle light control method in the first embodiment of the invention.
Fig. 6 is the method flow diagram of the vehicle light control method in second of embodiment of the invention.
Fig. 7 is vehicle driving in the light-illuminating angle schematic diagram on grading roads.
Fig. 8 is light-illuminating angle schematic diagram of the vehicle driving needed on ramp.
Fig. 9 is a kind of citing of the table of comparisons used in vehicle light control method shown in Fig. 6.
Figure 10 is the method flow diagram of the vehicle light control method in the third embodiment of the invention.
Figure 11 is the light-illuminating angle schematic diagram of straight line when driving.
Figure 12 is vehicle light-illuminating angle schematic diagram required when driving on smooth bend.
Figure 13 is a kind of citing of the table of comparisons used in vehicle light control method shown in Figure 10.
Figure 14 is the method flow diagram of the vehicle light control method in the 4th kind of embodiment of the invention.
Figure 15 is the schematic diagram that vehicle travels on the bend with inclination angle.
Figure 16 is the method flow diagram of the vehicle light control method in the 5th kind of embodiment of the invention.
Figure 17 is the system architecture schematic diagram of the car lamp control system in second of embodiment of the invention.
Figure 18 is a kind of citing of the table of comparisons used in car lamp control system shown in Figure 17.
Figure 19 is the method flow diagram of the vehicle light control method in the 6th kind of embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein " and/or " it include one or more relevant institute's lists
Any and all combinations of purpose.
Refering to Figure 1, for the system architecture diagram of the car lamp control system in the first embodiment of the invention.It is described
Car lamp control system is applied in a vehicle including control mould group 10, sensing mould group 11 and car light mould group, the control mould group 10
The radiation modality of car light mould group, in the present embodiment, the car light mould are accordingly adjusted according to the information that sensing mould group 11 senses
Group is a headlamp mould group 12, and the radiation modality for adjusting the car light mould group is the illumination angle for adjusting the headlamp mould group 12
Degree, and therefore change the range of exposures of headlamp mould group 12.
The headlamp mould group 12 includes headlamp 121 and the adjustment motor 122 for controlling 121 irradiating angle of headlamp.Institute
State headlamp 121 it is described adjustment motor 122 control under, can to the left, to the right, upwards, adjust irradiating angle downwards.It is described
Sensing mould group 11 includes multiple sensor units, and in the present embodiment, the sensing mould group 11 includes inertial sensor unit
111, the inertial sensor unit 111 for sensing the motion state of vehicle in real time, alternatively, the inertial sensor unit
111 are also used to sense the body gesture of vehicle in real time.Therefore, in a specific embodiment, please refer to shown in Fig. 2, it is described used
Property sensor unit 111 may include velocity sensor 1111 and acceleration transducer 1112.The acceleration transducer 1112
It is respectively used to obtain the real-time acceleration of vehicle and speed with velocity sensor 1111, so that obtain vehicle moves shape in real time
State.In another specific embodiment, it please refers to shown in Fig. 3, the inertial sensor 111 is also while including angular-rate sensor
1113, the angular-rate sensor 1113 is for obtaining real-time body gesture of vehicle such as vehicle roll angle, vehicle body pitch angle etc..
Certainly, in other embodiments, the sensing mould group 11 can also include other sensors unit, such as sense the wet of wet weather
It spends sensor unit and senses the steering wheel angle sensor unit of the real-time steering wheel angle of vehicle.The sensing mould group 11 is felt
The information of survey, such as state of motion of vehicle, body gesture and/or steering wheel angle, wet weather are provided to control mould group 10, with
Just control mould group 10 obtains corresponding car light mode, so as to adjust the radiation modality of car light mould group.
The information that the control mould group 10 is used to be sensed in real time according to sensing mould group 11, such as state of motion of vehicle, vehicle body appearance
State and/or steering wheel angle etc., judge corresponding car light mode, and adjust motor 122 according to corresponding car light scheme control,
Make the irradiating angle for adjusting motor adjustment headlamp 121, to match the real-time status of vehicle.The control mould group 10 includes at one
Unit 101 and a storage unit 102 are managed, in a specific embodiment, stores an at least car light mould in the storage unit 102
The table of comparisons of formula and vehicle-state please refers to shown in Fig. 4, illustrates a kind of form of the table of comparisons, in the table of comparisons shown in Fig. 4,
The vehicle-state includes body gesture and motion state, and body gesture includes vehicle roll angle and vehicle body pitch angle, moves shape
State includes current vehicle speed and vehicle acceleration, and wherein vehicle acceleration further comprises vehicle in space three-dimensional (X-axis, Y-axis, Z
Axis) acceleration.Wherein, space three-dimensional (X-axis, Y-axis, Z axis) can be the front and rear, left and right for relating separately to vehicle body and upper and lower three
Dimension direction.The car light mode is headlamp mode, and the headlamp mode includes M0-Mn(n is the nature more than or equal to 1
Number) a mode, each pattern definition deflection angle of headlamp upward or downward, to the left or to the right, each mode are corresponding
One specific body roll angle range A0-An, a specific vehicle body pitch angle interval B0-Bn, a specific current vehicle speed section V0-
VnAnd specific three-dimensional vehicle acceleration section ax0-axn、ay0-ayn、az0-azn.Therefore, processing unit 101 is obtaining in real time
Vehicle roll angle A, vehicle body pitch angle B, current vehicle speed V, current vehicle acceleration ax、ay、azAfterwards, according to real-time body side
Inclination angle A, vehicle body pitch angle B, current vehicle speed V, current vehicle acceleration ax、ay、azBefore the corresponding interval range fallen into determines
Illuminator mode, thus according to the irradiating angle of determining headlamp scheme control adjustment motor adjustment headlamp 121.
It is appreciated that in another embodiment, the present speed section V in the table of comparisons0-VnIt can also be into one
Walking cutting is vehicle in the velocity component section of space three-dimensional (X-axis, Y-axis, Z axis).The further sense of velocity sensor 1111
Velocity component of the measuring car in space three-dimensional (X-axis, Y-axis, Z axis).
In addition, a preset calculation formula is stored in the storage unit 102 in another specific embodiment, it is described
Processing unit 101 obtains corresponding car light by the preset calculation formula after obtaining the information that sensing unit 11 senses
Mode.For example, storing calculation formula in storage unit 102: Mn=F (An, Bn, Vn, axn, ayn, azn), wherein MnFor headlamp
Mode, AnFor vehicle roll angle, BnFor vehicle body pitch angle, VnFor speed, axn、ayn、aznRespectively three-dimensional acceleration.Processing unit
101 are obtaining real-time vehicle roll angle A, vehicle body pitch angle B, current vehicle speed V, current vehicle acceleration ax、ay、azIt afterwards, will be real
When vehicle roll angle A, vehicle body pitch angle B, current vehicle speed V, current vehicle acceleration ax、ay、azIt substitutes into calculation formula and obtains
The irradiating angle of headlamp, also that is, obtaining corresponding headlamp mode.
The vehicle light control method in various embodiments is introduced below in conjunction with car lamp control system shown in FIG. 1.Certainly,
Vehicle light control method in embodiment of the present invention is not limited to be only applied in car lamp control system shown in Fig. 1, can also answer
For in other car lamp control systems on the basis of car lamp control system shown in Fig. 1 through appropriate reconstruction.
It please refers to shown in Fig. 5, for the flow chart of the vehicle light control method in the first embodiment of the invention, the method
Include:
Step S501, sensing mould group 11 sense vehicle information, the information of the vehicle include vehicle body gesture with
Motion state, the body gesture include the inclination angle such as angle of heel, pitch angle of vehicle, and the motion state includes the acceleration of vehicle
Spend information and velocity information.
The information of step S502, the vehicle that control mould group 10 is sensed according to sensing mould group 11 determine corresponding car light mode,
Such as headlamp mode.Specifically, in one embodiment, the control mould group 10 is according to the table of comparisons control acquisition pair prestored
The car light mode answered.In another embodiment, the control mould group 10 calculates according to preset formula and obtains corresponding vehicle
Lamp mode.
Step S503, control mould group 10 sends a signal to the car light mould group of vehicle according to corresponding car light mode, with adjustment
The radiation modality of car light mould group, such as irradiating angle, the range of exposures of adjustment car light mould group.
It please refers to shown in Fig. 6, for the flow chart of the vehicle light control method in second of embodiment of the invention, the method
It is controlled applied to vehicle by the headlamp in ramp, please refer to Fig. 7 and Fig. 8, conventional headlamp or in grading roads uplink
The irradiating angle of the headlamp for the vehicle sailed is relatively high, so that driver sees road ahead situation clearly, but passes through in vehicle
When ramp, conventional headlamp cannot meet the needs of driver with the headlamp angle for being applied to grading roads well, such as
In top of the slope, headlamp cannot properly irradiate descending road.Therefore, the vehicle light control method in second of embodiment, it is main
It will V and acceleration a in vertical direction, that is, Y-axis (direction of vertical level) according to the speed of vehicleyTo adjust headlamp
Irradiating angle, to change the range of exposures of headlamp, which comprises
Step S601, sensing mould group 11 sense the information of vehicle, and the information of the vehicle includes the motion state of vehicle, institute
State the speed V and the acceleration a in Y-axis that motion state includes vehicley。
Step S602, the corresponding headlamp mode of information acquisition that control mould group 10 is sensed according to sensing mould group 11.Specifically
Ground, in one embodiment, table of comparisons control obtains corresponding headlamp angle of rotation to the control mould group 10 according to Fig. 9
Spend Nyn, the table of comparisons defines headlamp rotational angle NynWith the vehicle speed intervals V of vehiclen, Y-axis acceleration section aynBetween
Contrast relationship.In another embodiment, the control mould group 10 is according to following formula Nyn=F (V, ay) obtained to calculate
Corresponding headlamp rotational angle.
Step S603, control mould group 10 send a signal to the headlamp of vehicle according to corresponding headlamp rotational angle, with
Adjust the irradiating angle of headlamp.
It please refers to shown in Figure 10, for the flow chart of the vehicle light control method in the third embodiment of the invention, the side
Method is applied to vehicle and controls by the headlamp of smooth bend, please refer to Figure 11 and Figure 12, feelings of the vehicle in straight-line travelling
Under condition, on the left and right sides of vehicle in direction, that is, Z-direction as shown in the figure, the change component not moved, headlamp mould group
Irradiating angle varies without.But when vehicle enters smooth bend, vehicle has the change component of movement in its Z-direction,
Therefore, the irradiating angle of headlamp mould group needs that bend is followed accordingly to rotate, to adapt to the demand of bend irradiation.Therefore, originally
The vehicle light control method in the third embodiment is invented, mainly V and acceleration in vehicle Z-direction according to the speed of vehicle
azChange the rotational angle of headlamp, accordingly to change the range of exposures of headlamp, which comprises
Step S1001, sensing mould group 11 sense the information of vehicle, and the information of the vehicle includes the motion state of vehicle,
The motion state includes the speed V and the acceleration a in Z axis of vehiclez。
Step S1002, the corresponding headlamp mode of information acquisition that control mould group 10 is sensed according to sensing mould group 11.Specifically
Ground, in one embodiment, 10 table of comparisons according to Figure 13 of the control mould group control obtain corresponding headlamp rotation
Angle Nzn, the table of comparisons defines headlamp rotational angle NznWith the vehicle speed intervals V of vehiclen, Z axis acceleration section aznIt
Between contrast relationship.In another embodiment, the control mould group 10 is according to following formula Nzn=F (V, az) obtained to calculate
Obtain corresponding headlamp rotational angle.
Step S1003, control mould group 10 send a signal to the headlamp mould of vehicle according to corresponding headlamp rotational angle
Group 12, to adjust the irradiating angle of headlamp 121.
It please refers to shown in Figure 14, for the flow chart of the vehicle light control method in the 4th kind of embodiment of the invention, the side
Method is applied to vehicle by there is the control of the headlamp of the bend at certain inclination angle, please refer to shown in Figure 15, due to vehicle itself
With certain inclination angle A, so needing to guarantee that headlamp can be irradiated to vehicle way forward range in vehicle upper and lower
Adjust the angle of headlamp simultaneously to Y direction i.e. as shown in the figure and two side direction of left and right vehicle wheel, that is, Z-direction as shown in the figure, together
When also need to consider the speed of current vehicle, if speed is larger, headlamp irradiation distance should be farther, therefore the height of headlamp
Should be turned up upwards in Y direction, therefore the vehicle light control method in the 4th kind of embodiment, mainly according to the speed of vehicle V,
In the acceleration a of vehicle Z-directionzAnd vehicle roll angle A accordingly changes the rotational angle of headlamp, to change headlamp
Range of exposures, which comprises
Step S1401, sensing mould group 11 sense vehicle information, the information of the vehicle include vehicle motion state with
Body gesture, the motion state include the speed V and the acceleration a in Z axis of vehiclez, the body gesture includes vehicle side
Inclination angle A.
Step S1402, the corresponding headlamp mode of information acquisition that control mould group 10 is sensed according to sensing mould group 11.Specifically
Ground, the control mould group 10 is according to following formula N (y, z)=F (V, az, A) and to calculate corresponding headlamp is obtained in Y, Z axis side
To rotational angle, certainly, in another embodiment, the control mould group 10 can also obtain preceding photograph according to comparison list
Lamp is in Y, the rotational angle of Z-direction.
Step S1403, control mould group 10 send a signal to the headlamp mould of vehicle according to corresponding headlamp rotational angle
Group 12, to adjust the irradiating angle of headlamp 121.
It please refers to shown in Figure 16, for the flow chart of the vehicle light control method in the 5th kind of embodiment of the invention, the side
Method includes:
Step S1601, the information of sensing mould group sensing vehicle, the information of the vehicle includes the motion state of vehicle, vehicle
Figure state and other information, wherein motion state includes the speed V and acceleration a of vehicle, and wherein a includes in all directions such as
X, the component information of tri- axis direction of Y, Z, body gesture A also include in all directions as tri- axis direction of X, Y, Z component information,
His information O includes the information such as steering wheel angle, bodywork height.
Step S1602, the corresponding headlamp mode of information acquisition that control mould group 10 is sensed according to sensing mould group 11.Specifically
Ground, the control mould group 10 calculated according to following formula N (x, y, z)=F (V, a, A, O) obtain corresponding headlamp X, Y,
The rotational angle of Z-direction, certainly, in another embodiment, the control mould group 10 can also be obtained according to comparison list
Headlamp is obtained in the rotational angle in X, Y, Z axis direction.
Step S1603, control mould group 10 send a signal to the headlamp mould of vehicle according to corresponding headlamp rotational angle
Group 12, to adjust the irradiating angle of headlamp 121.
It please refers to shown in Figure 17, is the system architecture diagram of the car lamp control system in second of embodiment.The car light
Control system includes control mould group 20, sensing mould group 21 and car light mould group, and the control mould group 20 is sensed according to sensing mould group 21
Information accordingly adjust the radiation modality of car light mould group, in the present embodiment, the car light mould group includes headlamp mould group 22
With taillight mould group 23, the radiation modality for adjusting the car light mould group is to adjust the irradiating angle of the headlamp mould group 22 to change
The range of exposures of headlamp mould group 22 and the lamp light mode of the adjustment taillight mould group 23, the taillight mould group 23 as described in adjustment
Brightness, color and/or flashing mode etc..
The headlamp mould group 22 includes headlamp 221 and the adjustment motor 222 for controlling 221 irradiating angle of headlamp.Institute
State headlamp 221 it is described adjustment motor 222 control under, can to the left, to the right, upwards, adjust irradiating angle downwards.It is described
Control the embodiment and the first embodiment of the information adjustment headlamp mould group 22 that mould group 20 is sensed according to sensing mould group 21
In it is identical, this will not be repeated here.
Below to be illustrated for adjusting the brightness of taillight mould group 23.
Sensed mould group 21 includes inertial sensor unit 211, and the inertial sensor unit 211 for sensing vehicle in real time
Motion state, the motion state of the vehicle includes the acceleration a of vehicle.The control mould group 20 is used for according to sensing mould
The information that group 21 senses in real time, judges corresponding car light mode, and according to the bright of corresponding car light mode tuning taillight mould group 23
Degree.The control mould group 20 includes a processing unit 201 and a storage unit 202, in a specific embodiment, the storage
Storage at least a car light mode, i.e. tail mode (being in the present embodiment taillight brightness) and vehicle movement shape in unit 202
State (is in the present embodiment the table of comparisons of acceleration a), please refers to shown in Figure 18, when the vehicle is braked, that is, sense vehicle
When braking, if acceleration a is less than or equal to preset first range amin, illustrate that brake force is weaker, car light mode is by taillight at this time
The brightness of mould group 23 is adjusted to minimum Lmin, at this time since 23 brightness of group of taillight mould are low, rear car driver is influenced minimum；If accelerating
It spends a and is greater than aminAnd it is less than or equal to a1, car light mode is that the brightness of taillight mould group 23 is turned up to L at this time1, to reinforce to rear car
Warning；If acceleration a is greater than or equal to amax, car light mode is that the brightness of taillight mould group 23 is turned up to L at this timemax, tail at this time
23 brightness of lamp mould group is maximum, reminds rear car to pay attention to greatest extent.Therefore, acceleration of the processing unit 201 when obtaining vehicle braking
After spending a, the brightness of taillight mould group 23 is determined according to the preset range that a is fallen into, and sends the bright of signal control taillight mould group 23
Degree.
It is appreciated that the acceleration preset range in the table of comparisons can be for more than or equal to 2, correspondingly, taillight mould
The brightness of group 23 can also be divided into two-stage or multistage.
It is appreciated that control mould group 20 can be used for controlling headlamp mould group 22 and taillight mould group 23 simultaneously, can also only use
In control taillight mould group 23, and headlamp mould group 22 can be controlled with another control mould group.
It please refers to shown in Figure 19, for the flow chart of the vehicle light control method in the 6th kind of embodiment of the invention, the side
Method can be applied in car lamp control system shown in Figure 17, comprising:
Step S1901, sensing mould group 21 sense the information of vehicle, and the information of the vehicle includes the motion state of vehicle,
Acceleration a when the motion state includes vehicle braking.
Step S1902, the corresponding car light mode of information acquisition that control mould group 20 is sensed according to sensing mould group 21.Specifically
Ground, in one embodiment, the control mould group 20 obtain the light of corresponding taillight mould group 23 according to comparison list control
Mode.
Step S1903, control mould group 20 send a signal to the taillight mould group 23 of vehicle according to corresponding car light mode, to adjust
The radiation modality of whole taillight mould group 23, such as brightness, color and/or the flashing mode of adjustment taillight mould group 23.
In conclusion car lamp control system and vehicle light control method in each embodiment of the present invention, by using inertia
Sensor senses the information such as motion state, the body gesture of vehicle, before being adjusted according to car speed, acceleration, body gesture etc.
Illuminator irradiating angle avoids and only relies on the information such as car speed, steering wheel rotational angle, bodywork height adjusting headlamp angle
Limitation, in addition, setting taillight according to the emergency level of vehicle braking by controlling taillight and being in different moulds
Formula is such as in different brightness, reduces the influence to rear car to the maximum extent, while can also guarantee driving peace to the maximum extent
Entirely.
Embodiment of above is only used to illustrate the technical scheme of the present invention and not to limit it, although referring to the above preferable embodiment party
Formula describes the invention in detail, those skilled in the art should understand that, it can be to technical solution of the present invention
It modifies or equivalent replacement should not all be detached from the spirit and scope of technical solution of the present invention.
Claims (12)
1. a kind of car lamp control system, which is characterized in that including control mould group, sensing mould group and car light mould group, in which:
For the sensing mould group for sensing information of vehicles, including inertial sensor unit, the information of vehicles of the sensing includes institute
The motion state of the vehicle of inertial sensor unit sensing is stated, the motion state includes the acceleration and speed of vehicle；And
The control mould group is used to determine corresponding car light mode and according to corresponding car light according to the information of sensing mould group sensing
The radiation modality of mode tuning car light mould group.
2. car lamp control system as described in claim 1, which is characterized in that the information of vehicles further includes the inertia sensing
The body gesture of the vehicle of device unit senses, the body gesture include vehicle roll angle and/or pitch angle.
3. car lamp control system as described in claim 1, which is characterized in that the sensing mould group further includes that steering wheel angle passes
Sensor, the information of vehicles of the sensing further include steering wheel angle.
4. car lamp control system as described in claim 1, which is characterized in that the acceleration of the vehicle is dimension before and after vehicle
The acceleration of degree, left and right dimension and/or upper and lower dimension.
5. car lamp control system as described in claim 1, which is characterized in that the radiation modality of car light mould group includes shining before vehicle
The irradiating angle of lamp.
6. car lamp control system as described in claim 1, which is characterized in that the control mould group is also used to when the vehicle is braked
Corresponding car light mode is determined and according to the photograph of corresponding car light mode tuning car light mould group according to the information of sensing mould group sensing
Mode is penetrated, the radiation modality of the car light mould group includes the lamp light mode of taillight, and the lamp light mode of the taillight includes that light is bright
Degree, color and/or flashing mode.
7. a kind of vehicle light control method characterized by comprising
The information of vehicle is sensed, the information of the vehicle of the sensing includes the motion state of vehicle, and the motion state includes vehicle
Acceleration and speed；
Corresponding car light mode is determined according to the information of the vehicle of sensing；And
The car light mould group of vehicle is sent a signal to according to corresponding car light mode to adjust the radiation modality of car light mould group.
8. vehicle light control method as claimed in claim 7, which is characterized in that the information of the vehicle of the sensing further includes vehicle
Body gesture, the body gesture includes vehicle roll angle and/or pitch angle.
9. vehicle light control method as claimed in claim 7, which is characterized in that the information of the vehicle of the sensing further includes direction
Disk angle.
10. vehicle light control method as claimed in claim 7, which is characterized in that the acceleration of the vehicle is dimension before and after vehicle
The acceleration of degree, left and right dimension and/or upper and lower dimension.
11. vehicle light control method as claimed in claim 7, which is characterized in that it is described adjustment car light mould group radiation modality be
Adjust the irradiating angle of vehicle head lamp.
12. vehicle light control method as claimed in claim 7, which is characterized in that it is described adjustment car light mould group radiation modality be
The lamp light mode of taillight is adjusted when the vehicle is braked, and the lamp light mode of the taillight includes lamplight brightness, color and/or flashing side
Formula.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710777534.9A CN109421586A (en) | 2017-09-01 | 2017-09-01 | Car lamp control system and control method |
| PCT/CN2017/114740 WO2019041623A1 (en) | 2017-09-01 | 2017-12-06 | Vehicle lighting control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710777534.9A CN109421586A (en) | 2017-09-01 | 2017-09-01 | Car lamp control system and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109421586A true CN109421586A (en) | 2019-03-05 |
Family
ID=65505672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710777534.9A Pending CN109421586A (en) | 2017-09-01 | 2017-09-01 | Car lamp control system and control method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109421586A (en) |
| WO (1) | WO2019041623A1 (en) |
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| CN111923824A (en) * | 2020-08-13 | 2020-11-13 | 中国第一汽车股份有限公司 | Vehicle high beam control method and device, vehicle and storage medium |
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| CN112477751A (en) * | 2020-11-19 | 2021-03-12 | 马瑞利汽车零部件(芜湖)有限公司 | Self-adaptive headlamp system based on inertia measurement unit |
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