CN108819831A - A kind of method and system of car bulb automatic adjustment - Google Patents
A kind of method and system of car bulb automatic adjustment Download PDFInfo
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- CN108819831A CN108819831A CN201810669780.7A CN201810669780A CN108819831A CN 108819831 A CN108819831 A CN 108819831A CN 201810669780 A CN201810669780 A CN 201810669780A CN 108819831 A CN108819831 A CN 108819831A
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- control unit
- dimming control
- headstock
- vehicle
- inclination angle
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000001133 acceleration Effects 0.000 claims abstract description 33
- 230000003068 static effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 210000003128 head Anatomy 0.000 description 4
- 241000153246 Anteros Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000020442 loss of weight Diseases 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
- 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
- B60Q2300/116—Vehicle at a stop
-
- 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
- B60Q2300/132—Pitch
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The present invention relates to the automatic adjustment technology fields of headlight for vehicles dipped beam, disclose a kind of method and system of car bulb automatic adjustment, wherein the method for car bulb automatic adjustment includes the following steps：The axial acceleration and angular velocity data of G sensor acquisition of the dimming control unit to installation inside it are acquired and analyze；The dimming control unit obtains information of vehicles by Vehicle Body Bus and identifies vehicle status；The dimming control unit calculates the current headstock inclination angle of vehicle according to the axial acceleration data；According to vehicle status, the dimming control unit is according to the headstock inclination angle and selectively according to the angular velocity data, to control the irradiation distance that light modulation executing agency adjusts headlamp.Light modulation precision of the invention is high, is not necessarily to external equipment, reduces the cost of whole system, avoids due to the severe use environment of automobile chassis and the maintenance issues of the risk of bring whole system failure and height sensor.
Description
Technical field
The present invention relates to the automatic adjustment technology fields of headlight for vehicles dipped beam, adjust automatically more particularly to a kind of car bulb
The method and system of section.
Background technique
Rules and regulations have to assembly light regulating device when the brightness of automobile front is more than 2000lm, pass through the dress
The adjusting that may be implemented to dipped beam range is set, avoids dipped beam is excessively high from may causing the phenomenon that dazzling the eyes to front vehicles driver.It is existing
There are two types of some dimming modes, and one is hand-operating lights, light modulation button is installed additional by the panel in front of driver, by driver
The dipped beam of control in a certain range is adjusted.This mode is at low cost, but needs driver to participate in light modulation, and in running car
Light cannot be adjusted according to road conditions in the process, dimming effect is poor.Another dimming mode be it is with an automatic light meter, in automobile bottom
Disk installs height sensor additional, and dimming control unit is by perceiving vehicle body load and road conditions to the processing of height sensor information
Situation of change simultaneously calculates variable quantity, and dipped beam is adjusted to suitable position further according to variable quantity control dimming mechanism.This side
Formula may be implemented static and dynamic dipped beam and adjust, but cost is too high and mounting height sensor needs to increase vehicle assembly
Process, after-sales service are also inconvenient.
Fig. 1 is orthodox car automatic light control system schematic diagram, and light-modulating motor 1 is light modulation executive device, and it is big to be mounted on automobile
Inside lamp, height sensor 3 is mounted on automobile chassis antero posterior axis, and the use environment of height sensor 3 is severe, and some systems are only
There is rear height sensor, dimming control unit 2 is an ECU (electronic control unit), is mounted on car steering chamber interior.
The original signal of height sensor 3 is voltage signal, and dimming control unit 2 needs to carry out at analysis collected voltage signal
It manages and then obtains the altitude signal of automobile antero posterior axis, then obtain headstock and then the comparison and analysis to antero posterior axis difference in height
Current inclination, dimming control unit 2 control light adjusting according to the inclination angle.
Summary of the invention
The purpose of the invention is to overcome the deficiencies of the prior art and provide a kind of method of car bulb automatic adjustment,
Light modulation precision is high, is not necessarily to external equipment, saves mounting bracket, harness, reduce the cost of whole system.
To achieve the goals above, the present invention provides a kind of method of car bulb automatic adjustment, includes the following steps：
(1) G sensor, the vehicle that the dimming control unit obtains G sensor are installed inside dimming control unit
Axial acceleration and angular velocity data be acquired and analyze；
(2) dimming control unit obtains information of vehicles by Vehicle Body Bus, and identifies vehicle institute according to information of vehicles
Place's state；
(3) dimming control unit calculates the current headstock inclination angle of vehicle according to the axial acceleration data；
(4) according to vehicle status, the dimming control unit is according to the headstock inclination angle and selectively according to institute
Angular velocity data is stated, to control the irradiation distance that light modulation executing agency adjusts headlamp.
Preferably, in the step (4), when a vehicle is at rest, the dimming control unit is according to the vehicle
Light modulation executing agency described in head pitch angle control adjusts the irradiation distance of headlamp；When vehicle is kept in motion, the light modulation
Control unit calculates the variable quantity and variation tendency at the headstock inclination angle, the dimming control unit according to the angular velocity data
It is controlled before the light modulation executing agency is adjusted and is shone according to the headstock inclination angle, the variable quantity at the headstock inclination angle and variation tendency
The irradiation distance of lamp.
Preferably, when vehicle is kept in motion, the dimming control unit identifies road according to the angular velocity data
Condition information, the dimming control unit is according to the headstock inclination angle, the variable quantity at the headstock inclination angle and variation tendency and described
Traffic information come control it is described light modulation executing agency adjust headlamp irradiation distance.
Preferably, the dimming control unit demarcates headstock benchmark inclination angle, and the headstock inclination angle is relative to described
When headstock benchmark inclination angle changes, the dimming control unit dims executing agency's tune according to the headstock pitch angle control
Save the irradiation distance of headlamp.
Preferably, the scaling method at headstock benchmark inclination angle includes the following steps：
(1) vehicle is unloaded, and is placed on level road；
(2) dimming control unit is activated to enter calibration mode by Vehicle Body Bus；
(3) the axial acceleration data for the vehicle that the dimming control unit obtains the G sensor are filtered place
Reason；
(4) dimming control unit calculates headstock benchmark inclination angle according to the axial acceleration data and stores；
(5) calibration is completed, and the dimming control unit opens automatic dimming function.
Preferably, the G sensor is the chip for perceiving vehicle axial direction acceleration and angular speed.
The present invention also provides a kind of automobile light automatic regulation system, including dimming control unit, G sensor, vehicle body are total
Line and light modulation executing agency, the G sensor are mounted on inside the dimming control unit, the input of the dimming control unit
End is connect with the G sensor, the Vehicle Body Bus respectively, the output end of the dimming control unit and the light modulation execution machine
Structure connection.
Light modulation precision of the invention is high, eliminates and needs to sense in automobile chassis mounting height in traditional light adjusting method
The mode of device is not necessarily to external equipment, saves mounting bracket, harness, reduce the cost of whole system, reduces vehicle assembly
Process, be conducive to automobile loss of weight, and avoid due to the severe use environment of automobile chassis and bring whole system is lost
The risk of effect, while also avoiding the maintenance issues of height sensor.
Detailed description of the invention
Fig. 1 is orthodox car automatic light control system schematic diagram；
Fig. 2 is the flow chart of the method for car bulb automatic adjustment of the present invention；
Fig. 3 is the structural block diagram of automobile light automatic regulation system of the present invention.
Description of symbols
1 light-modulating motor, 2 dimming control unit
3 height sensor 4G sensors
5 light modulation 6 Vehicle Body Bus of executing agency
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As shown in Fig. 2, the present invention provides a kind of method of car bulb automatic adjustment, include the following steps：
(1) G sensor, the vehicle that the dimming control unit obtains G sensor are installed inside dimming control unit
Axial acceleration and angular velocity data be acquired and analyze；
(2) dimming control unit obtains information of vehicles by Vehicle Body Bus, i.e. the speed of vehicle, gear, throttle is stepped on
The information such as Board position and brake pedal position, and vehicle status is identified according to information of vehicles；
(3) dimming control unit calculates the current headstock inclination angle of vehicle according to the axial acceleration data；
(4) according to vehicle status, the dimming control unit is according to the headstock inclination angle and selectively according to institute
Angular velocity data is stated, to control the irradiation distance that light modulation executing agency adjusts headlamp.
The present invention installs G sensor additional inside dimming control unit, and the G sensor is that can perceive vehicle axially to add
The chip of speed and angular speed, processor in dimming control unit are acquired point required axial acceleration and angular speed
Analysis is converted into the current headstock inclination angle of vehicle, the dimming control unit headstock current according to the vehicle got after calculating
Inclination angle, and then control the automatic adjustment that light modulation executing agency realizes automobile headlamp light.Light modulation precision of the present invention is high, eliminates
The mode in automobile chassis mounting height sensor is needed in traditional light adjusting method, is not necessarily to external equipment, is saved installation
Bracket, harness reduce the cost of whole system, reduce the process of vehicle assembly, are conducive to automobile loss of weight, and avoid
The risk that bring whole system fails due to automobile chassis severe use environment, while also avoiding height sensor
Maintenance issues.
In above-mentioned steps (4), since vehicle is in different variable conditions in the process of running, for locating for vehicle
Different conditions, dimming control unit of the present invention is according to the headstock inclination angle and selectively according to the angular velocity data, to control
System light modulation executing agency adjusts the irradiation distance of headlamp, to realize good automatic dimming function.
When stationary vehicle, gravity generates component of acceleration in three axial directions of G sensor respectively.Vehicle body load variation meeting
Cause the variation of G sensor tilt angle, the variation at current headstock inclination angle can be corresponded to, the gravity that G sensor is reflected exists
The also corresponding change of component of acceleration information caused by three of them axial direction.Because of stationary vehicle at this time, G sensor is only made by gravity
With so the acceleration information that G sensor is reflected is exactly the weight that gravity is axially generated according to the tilt angle of headstock in correspondence
Then power component of acceleration, the current axial acceleration information of the processor acquisition of dimming control unit carry out trigonometric function operation just
The available current headstock inclination angle of vehicle, dimming control unit dims before executing agency is adjusted according to the headstock pitch angle control shines
The irradiation distance of lamp, to realize under quiescent conditions according to the automatic dimming function of vehicle body load variation.
In the process of moving, G sensor is in addition to by gravity, effect also by vehicle body power for vehicle, and G sensor institute is anti-
The acceleration reflected is gravity and the coefficient result of vehicle body power.With the difference of road conditions, headstock inclination angle is constantly changing, this
When can be bigger according to the calculated headstock error of tilt of axial acceleration data of G sensor, can be by G sensor pitch axis
To angular velocity information carry out the variable quantity of angle in the unit of account time the judgement that is assisted, can also be by pitch angle speed
The information of degree carries out the identification of road conditions, to optimize the effect of dynamic light adjusting, i.e., dimming control unit according to G in addition to passing
The axial acceleration data of sensor calculate the current headstock inclination angle of vehicle, also to calculate headstock according to the angular velocity data and incline
The variable quantity and variation tendency at angle, and traffic information is identified according to the angular velocity data, dimming control unit is according to
Before headstock inclination angle, the variable quantity at the headstock inclination angle and variation tendency and the traffic information are adjusted controlling light modulation executing agency
The irradiation distance of illuminator, to realize under current intelligence according to the automatic dimming function of vehicle body load variation.
For the different operating status of vehicle and traveling road conditions, specific light-dimming method of the invention is：
Automobile trunk is fully loaded under stationary state, and headstock lifting, dipped beam range becomes larger, and may give front vehicles technician
It causes to dazzle the eyes.Dimming control unit can recognize vehicle according to Vehicle Body Bus information and remain static, and according to G sensor
Axial acceleration data calculate current headstock inclination angle, and then control light modulation executing agency adjusts dim head lights irradiation distance
So that it is shortened to suitable position, avoids that there is a situation where cause to dazzle the eyes to front vehicles driver.
Automobile is parked in descending, center of gravity Forward, and headstock pushes, and dipped beam range becomes smaller, and driver's seat is deteriorated.Brightness adjustment control list
Member can calculate current headstock inclination angle according to the axial acceleration data of G sensor, then the adjustment of control light modulation executing agency
Dim head lights irradiation distance makes it increase to suitable position, improves driver's seat.
Automobile accelerates, and lifts on headstock, dipped beam range becomes larger.The automobile that dimming control unit can be got by Vehicle Body Bus
The situation of change of accelerator pedal position information recognizes automobile and enters acceleration mode, starts the tune for carrying out dipped beam range in advance
Section calculates current headstock inclination angle further according to the axial acceleration data of G sensor, and calculates headstock according to angular velocity data
The reason of dipped beam range in accelerator is completed in the variable quantity and trend at inclination angle, the in summary control of information realization dipped beam range
Want to adjust.
Automobile brake, center of gravity Forward, headstock push, and dipped beam range becomes smaller.Dimming control unit can be obtained by Vehicle Body Bus
The automobile brake pedal location information got enters on-position to recognize automobile, starts the tune for carrying out dipped beam range in advance
Section, calculates current headstock inclination angle further according to the axial acceleration data of G sensor, calculates headstock inclination angle according to angular velocity data
Variable quantity and variation tendency, the in summary control of information realization dipped beam range, complete braking process in dipped beam range reason
Want to adjust.
Automobile up slope is lifted on headstock, and dipped beam range becomes larger.Dimming control unit can be according to the angular velocity data of G sensor
It recognizes automobile and enters upward slope, open dipped beam range and adjust, according to the big of the integral gradient of the angular speed to G sensor
It is small, the gradient can also be calculated by the axial acceleration data of G sensor.According to the information of G sensor, dimming control unit can
Enter upward slope to recognize vehicle, in ramp driving and leave the state of upward slope, completes the adjusting of dipped beam range under upward slope state.
Automobile downhill, headstock push, and dipped beam range becomes smaller.Dimming control unit can be according to the angular velocity data of G sensor
It recognizes automobile and enters descending, open dipped beam range and adjust, according to the big of the integral gradient of the angular speed to G sensor
It is small, the gradient can also be calculated by the axial acceleration data of G sensor.According to G sensor information, dimming control unit can be with
It recognizes vehicle to enter descending, in ramp driving and leave the state of descending, completes the adjusting of dipped beam range under descending state.
The adjusting of dipped beam range is adjusted relative to benchmark inclination angle recorded in dimming control unit in the present invention
Section, the benchmark inclination angle as recorded in the dimming control unit there are different vehicle of installation error may be different, often
Trolley will get benchmark inclination angle and be recorded when offline, otherwise be not turned on function with an automatic light meter.Brightness adjustment control list
Member obtains and records benchmark inclination angle i.e. dimming control unit and demarcates to headstock benchmark inclination angle, and headstock inclination angle is relative to the vehicle
When head benchmark inclination angle changes, dimming control unit dims executing agency according to the headstock pitch angle control and adjusts headlamp
Irradiation distance.
The scaling method at headstock benchmark inclination angle specifically includes following steps：
(1) vehicle is unloaded, and is placed on level road；
(2) dimming control unit is activated to enter calibration mode by Vehicle Body Bus；
(3) the axial acceleration data for the vehicle that the dimming control unit obtains the G sensor are filtered place
Reason；
(4) dimming control unit calculates headstock benchmark inclination angle according to the axial acceleration data and stores；
(5) calibration is completed, and the dimming control unit opens automatic dimming function.
As shown in figure 3, the present invention also provides a kind of automobile light automatic regulation system, including dimming control unit 2, G are passed
Sensor 4, Vehicle Body Bus 6 and light modulation executing agency 5, the G sensor 4 are mounted on inside the dimming control unit 2, the tune
The input terminal of light control unit 2 is connect with the G sensor 4, the Vehicle Body Bus 6 respectively, and the dimming control unit 2 is to G
The axial acceleration and angular velocity data for the vehicle that sensor 4 obtains are acquired and analyze, and are obtained by Vehicle Body Bus 6
Information of vehicles, the output end of the dimming control unit 2 are connect with the light modulation executing agency 5, the dimming control unit 2
The irradiation that light modulation executing agency 5 adjusts headlamp is controlled according to the information obtained from the G sensor 4 and the Vehicle Body Bus 6
Distance.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (7)
1. a kind of method of car bulb automatic adjustment, which is characterized in that include the following steps：
(1) G sensor, the axis for the vehicle that the dimming control unit obtains G sensor are installed inside dimming control unit
It is acquired and analyzes to acceleration and angular speed data；
(2) dimming control unit obtains information of vehicles, and the shape according to locating for information of vehicles identification vehicle by Vehicle Body Bus
State；
(3) dimming control unit calculates the current headstock inclination angle of vehicle according to the axial acceleration data；
(4) according to vehicle status, the dimming control unit is according to the headstock inclination angle and selectively according to the angle
Speed data, to control the irradiation distance that light modulation executing agency adjusts headlamp.
2. the method for car bulb automatic adjustment according to claim 1, which is characterized in that in the step (4), work as vehicle
When remaining static, the dimming control unit dims photograph before executing agency is adjusted according to the headstock pitch angle control
The irradiation distance of lamp；When vehicle is kept in motion, the dimming control unit is according to angular velocity data calculating
The variable quantity and variation tendency at headstock inclination angle, the dimming control unit is according to the change at the headstock inclination angle, the headstock inclination angle
Change amount and variation tendency control the irradiation distance that the light modulation executing agency adjusts headlamp.
3. the method for car bulb automatic adjustment according to claim 2, which is characterized in that when vehicle is kept in motion
When, the dimming control unit identifies traffic information according to the angular velocity data, and the dimming control unit is according to the vehicle
Head inclination angle, the variable quantity at the headstock inclination angle and variation tendency and the traffic information are adjusted to control the light modulation executing agency
The irradiation distance of headlamp.
4. the method for car bulb automatic adjustment according to any one of claims 1 to 3, which is characterized in that the light modulation
Control unit demarcates headstock benchmark inclination angle, when the headstock inclination angle changes relative to headstock benchmark inclination angle,
The dimming control unit dims the irradiation distance that executing agency adjusts headlamp according to the headstock pitch angle control.
5. the method for car bulb automatic adjustment according to claim 4, which is characterized in that headstock benchmark inclination angle
Scaling method includes the following steps：
(1) vehicle is unloaded, and is placed on level road；
(2) dimming control unit is activated to enter calibration mode by Vehicle Body Bus；
(3) the axial acceleration data for the vehicle that the dimming control unit obtains the G sensor are filtered；
(4) dimming control unit calculates headstock benchmark inclination angle according to the axial acceleration data and stores；
(5) calibration is completed, and the dimming control unit opens automatic dimming function.
6. the method for car bulb according to claim 1 automatic adjustment, which is characterized in that the G sensor be for
Perceive the chip of vehicle axial direction acceleration and angular speed.
7. a kind of automobile light automatic regulation system, which is characterized in that including dimming control unit (2), G sensor (4), vehicle body
Bus (6) and light modulation executing agency (5), the G sensor (4) are mounted on the dimming control unit (2) inside, the light modulation
The input terminal of control unit (2) is connect with the G sensor (4), the Vehicle Body Bus (6) respectively, the dimming control unit
(2) output end is connect with the light modulation executing agency (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810669780.7A CN108819831B (en) | 2018-06-26 | 2018-06-26 | Method and system for automatically adjusting automobile light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810669780.7A CN108819831B (en) | 2018-06-26 | 2018-06-26 | Method and system for automatically adjusting automobile light |
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| Publication Number | Publication Date |
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| CN108819831A true CN108819831A (en) | 2018-11-16 |
| CN108819831B CN108819831B (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810669780.7A Active CN108819831B (en) | 2018-06-26 | 2018-06-26 | Method and system for automatically adjusting automobile light |
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| CN110293900A (en) * | 2019-06-14 | 2019-10-01 | 华域视觉科技(上海)有限公司 | Car bulb regulating system, car bulb adjusting method and automobile |
| CN110939915A (en) * | 2019-12-17 | 2020-03-31 | 华域视觉科技(上海)有限公司 | Automatic dimming system and vehicle headlamp |
| CN112356768A (en) * | 2020-11-19 | 2021-02-12 | 广州广日电气设备有限公司 | Lamplight compensation method according to vehicle pitch angle, electronic equipment and storage medium |
| CN114655109A (en) * | 2020-12-23 | 2022-06-24 | 常州星宇车灯股份有限公司 | Vehicle and headlight adjusting device and method thereof |
| CN115431869A (en) * | 2021-06-03 | 2022-12-06 | 常州星宇车灯股份有限公司 | Vehicle lamp control system and control method based on acceleration sensor |
| DE102022001883B3 (en) | 2022-05-30 | 2023-05-11 | Mercedes-Benz Group AG | Method for calibrating an inertial measurement sensor system of a vehicle |
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| CN204472669U (en) * | 2015-03-24 | 2015-07-15 | 北京经纬恒润科技有限公司 | A kind of head lamp control system |
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| CN114655109A (en) * | 2020-12-23 | 2022-06-24 | 常州星宇车灯股份有限公司 | Vehicle and headlight adjusting device and method thereof |
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