CN108016348A - A kind of automotive LED headlamp module and its control method - Google Patents
A kind of automotive LED headlamp module and its control method Download PDFInfo
- Publication number
- CN108016348A CN108016348A CN201610960968.8A CN201610960968A CN108016348A CN 108016348 A CN108016348 A CN 108016348A CN 201610960968 A CN201610960968 A CN 201610960968A CN 108016348 A CN108016348 A CN 108016348A
- Authority
- CN
- China
- Prior art keywords
- module
- matrix
- modules
- control
- led
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B60Q1/14—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 having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
-
- 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
- B60Q1/02—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
- B60Q1/12—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 steering position
- B60Q1/122—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 steering position with electrical actuating 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
- B60Q1/02—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
- B60Q1/16—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 illuminating the way asymmetrically
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The present invention relates to vehicle assistant drive technical field, especially a kind of automotive LED headlamp module and its control method, automotive LED headlamp module includes matrix L ED modules, information acquisition unit and drive control unit, wherein matrix L ED modules are illuminated for running car, information acquisition unit is used to gather real-time information of road surface, the real-time information of road surface collected is sent to drive control unit by information acquisition unit, drive control unit is used to control matrix L ED modules, and drive control unit controls matrix L ED modules according to real-time information of road surface.The automotive LED headlamp module of the present invention has self-adapting intelligent distance light control model, far light and near light can be allowed to automatically switch in this mode, dark space can be formed when distance light is opened at the same time, and to prevent that distance light from causing dazzling, effectively prevent distance light abuse from being interfered to driving, the security risk for avoiding distance light abuse from bringing.
Description
Technical field
The present invention relates to vehicle assistant drive technical field, especially a kind of automotive LED headlamp module.
Background technology
With the continuous development of automotive lighting technology, car headlamp has become the important of automobile appearance individual character and class
Manifestation mode, and consumer is when choosing vehicle, the key factor for considering more to pay close attention in traffic safety.Mainstream at present
Headlamp species has halogen lamp, xenon lamp and LED light.Wherein LED headlamps have many advantages, LED light as new force
Energy consumption be only the 1/20 of halogen lamp, service life can reach 6~100,000 hours, overall to support low voltage drive, and shine
The high reaction speed of brightness is fast, single led small, and stability is high, can be set up in limited head lamp structure space various
The LED matrix of change, current matrix LED headlamp can provide the visual field of clearly driving a vehicle as daytime at night, still
Matrix LED headlamp still has some problems in application：1st, the light of high brightness influences whether opposite under high beam mode
Come car or front vehicles, cause dazzling, bring traffic safety hidden danger；2nd, there are illumination region deficiency, driving under complex environment
Security is difficult to ensure that.
The content of the invention
The purpose of the present invention is overcome defect existing in the prior art, there is provided a kind of automotive LED headlamp module and its control
Method processed, the traffic safety hidden danger for avoiding distance light abuse from bringing.
In order to achieve the object of the present invention, used technical solution is：
The automotive LED headlamp module of the present invention includes：
Matrix L ED modules, illuminate for running car；
Information acquisition unit, for gathering real-time information of road surface, the real-time road surface that described information collecting unit will collect
Information is sent to drive control unit；
Drive control unit, for controlling the matrix L ED modules, the drive control unit is according to real-time information of road surface
The matrix L ED modules are controlled, the drive control unit control matrix L ED modules are produced with car movement when to meeting
Covering meeting profile dark space avoid meeting dazzle, when running into front truck in the same direction drive control unit control matrix L ED modules with
The dark space that distance produces covering front truck profile avoids front truck rear view mirror glare, described when there is meeting and front truck at the same time
Drive control unit controls matrix L ED modules to produce the clear zone enhancing visual field in two the middle of independent dark space.
Drive control unit of the present invention includes driving module and control module, and the driving module includes anti-reverse guarantor
Protect module, boosting rectifier control module, constant-current control module and constant pressure output module, one end connection electricity of the anti-reverse protection module
Source, the anti-reverse protection module are used to protect drive control unit back-end circuit, the anti-reverse protection module
Other end is electrically connected with one end of the boosting rectifier control module, and the boosting rectifier control module is used to supply voltage being promoted to drive
Move the rated voltage needed for the matrix L ED modules, other end and the constant-current control module of the boosting rectifier control module
It is electrically connected, rear class power circuit of the constant-current control module as boosting rectifier control module, the constant-current control module is used for defeated
Go out the rated current driven needed for the matrix L ED modules, the constant pressure output module is electrically connected with the anti-reverse protection module
Connect, the constant pressure output module is used to provide constant voltage source to the control module.
Control module of the present invention includes microcontroller and matrix L ED control managers, and the microcontroller receives institute
The data message of information acquisition unit is stated, the microcontroller parses data message and message commands are sent to the square
Matrix LED controls manager, and the matrix L ED controls manager produces the control signal of multichannel distinct pulse widths to matrix L ED modules
In each monomer LED be controlled management.
Information acquisition unit of the present invention includes image capture module, height sensor, deflection angle sensor, steering
Sensor, LED temperature sensor and LED light flux detection module, described image acquisition module by CAN communication module with it is described
Micro-controller communications, the height sensor, deflection angle sensor, rotation direction sensor, LED temperature sensor and LED light are led to
Amount detection module is connected with the microcontroller respectively.
Image capture module of the present invention is installed on above vehicle window rearview mirror, and described image acquisition module is used to gather reality
When information of road surface, the height sensor be installed on vehicle body on, the height sensor be used for detect body sway amount, it is described
LED temperature sensor and LED light flux detection module are arranged on the matrix L ED modules, and the LED temperature sensor is used for
The temperature variation in the matrix L ED die set light source courses of work is detected, the LED light flux detection module is used to measure light source spoke
Visible ray total amount is penetrated, the deflection angle sensor is used to provide steering wheel angular signal, and the rotation direction sensor is used to provide
Steering indicating light logical signal.
Matrix L ED modules of the present invention include dipped beam module, distance light module and corner lamp module, the microcontroller according to
The body sway amount that height sensor measures controls the irradiating angle of the dipped beam module, and the microcontroller is according to Image Acquisition
The real-time information of road surface of module pickup formulates the control strategy of the distance light module and is sent to the matrix L ED controls management
Device, the microcontroller control the corner lamp module according to the feedback signal of deflection angle sensor and/or rotation direction sensor
Illumination, the microcontroller are anti-according to the temperature simulation voltage signal and LED light flux detection module of LED temperature sensor feedback
The luminous flux analog voltage signal of feedback detects the working status of matrix L ED modules in real time, and the microcontroller is controlled by matrix L ED
Manager processed carries out each monomer LED the entire compensation of open-circuit-protection, short trouble diagnosis and luminous flux.
The present invention also provides a kind of automotive LED headlamp module control method, uses above-mentioned automotive LED headlamp mould
Group, comprises the following steps：
Step 101：When user selects headlamp to control AUTO grades, ambient light intensity is less than 30lux and speed is more than
During 60km/h, system enters self-adapting intelligent distance light control model, when ambient light illumination is less than 50km/h more than 50lux and speed
When, automatically switch to the illumination of dipped beam module；
Step 102：Under self-adapting intelligent distance light control model, when run into front 400 meters in to meeting when, the drive
Dynamic control unit control matrix L ED modules are produced avoids meeting dazzle with the dark space of the covering meeting profile of car movement；When running into
Front truck in the same direction within 200 meters of front, drive control unit control matrix L ED modules to produce covering front truck profile with distance
Dark space avoids front truck rear view mirror glare, and when there is meeting and front truck at the same time, the drive control unit controls matrix L ED modules
The clear zone enhancing visual field is produced in two the middle of independent dark space；
Step 103：Under self-adapting intelligent distance light control model, when spacing close to when, automatically switch into dipped beam module illumination,
When front is without vehicle, the illumination of distance light module is automatically restored to.
The present invention reverts to self-adapting intelligent distance light control model automatically 2 seconds after the operation of hand-operated forced distance light.
The present invention is less than 60km/h and when being more than 10km/h when speed, and drive control unit is according to the steering of rotation direction sensor
The angular signal of lamp logical signal and deflection angle sensor automatically turns on the corner lamp module of corresponding direction.
The body sway of the invention that when speed is less than 5km/h, drive control unit is provided by height sensor signal
Measure the irradiating angle that dipped beam module is adjusted in 1~5 ° of interval range.
The automotive LED headlamp module of the present invention and its beneficial effect of control method are：
1) automotive LED headlamp module of the invention has self-adapting intelligent distance light control model, in this mode can be with
Allow far light and near light to automatically switch, while dark space can be formed when distance light is opened to prevent distance light from causing dazzling, avoid distance light from abusing
The security risk brought, effectively prevents the light of high brightness from influencing opposite car or front vehicles, to improve under complex environment
The security of driving；
2) microcontroller of the invention carries out information exchange by CAN communication module and image capture module, receives at the same time
Height sensor signal, the steering wheel angle signal of deflection angle sensor, steering indicating light logical signal, the LED of rotation direction sensor
Temperature signal and LED light flux signal, after the processing of all information integrations, by matrix L ED management modules control dipped beam module,
Distance light module and corner lamp module realize corresponding automatic adjustment height light modulation, three big work(of adaptive distance light and follow-up steering floor light
Can, vehicle all-weather driving lighting environment is effectively improved, improves the security integrally driven；
3) drive control unit of the invention can be inputted information accordingly with fast resolving and judge current headlamp
State, the accurate luminosity for controlling single LED lamp in matrix L ED modules, is realized quick, variable to driving front region progress
With the illumination capability of intelligence.
Brief description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the functional block diagram of the automotive LED headlamp module of the present embodiment.
Wherein：Anti-reverse protection module 1, boosting rectifier control module 2 and constant pressure output module 3, constant-current control module 4, matrix
LED controls manager 5, microcontroller 6, CAN communication module 7, dipped beam module 9, distance light module 10, corner lamp module 11.
Embodiment
In the description of the present invention, it is to be understood that term " radial direction ", " axial direction ", " on ", " under ", " top ", " bottom ",
The orientation or position relationship of the instructions such as " interior ", " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the present invention and simplify description, rather than indicate or imply that signified device or element there must be specific orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.In the description of the present invention, unless otherwise indicated,
" multiple " are meant that two or more.
In the description of the present invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " installation ", " set
Put ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally connected；Can be with
It is to be connected directly, can also be indirectly connected by intermediary.For the ordinary skill in the art, can be according to tool
Body situation understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figure 1, the automotive LED headlamp module of the present embodiment includes matrix L ED modules, information acquisition unit and drive
Dynamic control unit, wherein matrix L ED modules are illuminated for running car, and information acquisition unit is used to gather real-time information of road surface,
The real-time information of road surface collected is sent to drive control unit by information acquisition unit, and drive control unit is used to control matrix
LED module, drive control unit control matrix L ED modules according to real-time information of road surface.
Distance light abuse interferes driving in order to prevent, and the security risk for avoiding distance light abuse from bringing, the present embodiment drives
Dynamic control unit formulates the control strategy of matrix L ED modules according to real-time information of road surface, specifically, control is driven when to meeting
Unit control matrix L ED modules processed are produced avoids meeting dazzle with the dark space of the covering meeting profile of car movement, in the same direction when running into
Drive control unit control matrix L ED modules avoid front truck backsight with the dark space of distance generation covering front truck profile during front truck
Mirror dazzle, when there is meeting and front truck at the same time, drive control unit controls matrix L ED modules in the centre of two independent dark spaces
Produce the clear zone enhancing visual field.
The drive control unit of the present embodiment includes driving module and control module, and driving module includes anti-reverse protection mould
Block 1, boosting rectifier control module 2, constant-current control module 4 and constant pressure output module 3, wherein anti-reverse protection module 1 is model
SQD50P06-15L based on prestige generation P-channel MOSFET, boosting rectifier control module 2 is to be based on Texas Instrument's LM5022 chips, boosting
40V is exported, constant-current control module 4 is to be based on Texas Instrument's LM3409 chips, constant current output 1A to matrix L ED modules.Specifically,
One end connection power supply of anti-reverse protection module 1, anti-reverse protection module 1 are used to protect drive control unit back-end circuit
Shield, when there is revers voltage input, anti-reverse protection module 1 can protect drive control unit back-end circuit, effectively
Circuit system is prevented to be subject to expendable damage.The other end of anti-reverse protection module 1 and one end of boosting rectifier control module 2
It is electrically connected, boosting rectifier control module 2 is used to for supply voltage to be promoted to the rated voltage driven needed for matrix L ED modules, this implementation
Boosting rectifier control module 2 in example can work as vapour by Vehicular accumulator cell voltage increase to the rated voltage 40V driven needed for headlamp
When battery tension has larger fluctuation in car startup and operational process, boosting rectifier control module 2 can respond rapidly to and suppress electric power storage
Influence of the voltage fluctuation in pond to next stage circuit, ensures the stability of output voltage.The other end of boosting rectifier control module 2 with
Constant-current control module 4 is electrically connected, rear class power circuit of the constant-current control module 4 as boosting rectifier control module 2, constant-current control module
4 are used for the rated current needed for output driving matrix L ED modules, the 4 output driving matrix L ED of constant-current control module of the present embodiment
Rated current 1A needed for module, ensureing the operating current of each monomer LED in matrix will not occur because of extraneous interference
Change.Constant pressure output module 3 is electrically connected with anti-reverse protection module 1, and constant pressure output module 3 is used to provide constant pressure to control module
Power supply, output voltage 5V.
The control module of the present embodiment includes microcontroller 6 and matrix L ED control managers 5, matrix L ED control managers
5 be to be based on Texas Instrument's TPS96221 chips, and microcontroller 6 is to be based on Freescale S9S12G192VLF chips.
The data message of 6 receive information collecting unit of microcontroller, microcontroller 6 parse data message and will reports
Text order is sent to matrix L ED control managers 5, and matrix L ED control managers 5 produce the control signal of multichannel distinct pulse widths to square
Each monomer LED is controlled management in matrix LED module.
The information acquisition unit of the present embodiment includes image capture module, height sensor, deflection angle sensor, steering
Sensor, LED temperature sensor and LED light flux detection module, wherein, LED light flux detection module is tested by force for LED light
Instrument, image capture module can use general vehicle-mounted camera, and deflection angle sensor, rotation direction sensor and LED temperature pass
Sensor etc. is general automobile sensor, can directly from market purchasing, image capture module by CAN communication module 7 with it is micro-
Controller 6 communicates, height sensor, deflection angle sensor, rotation direction sensor, LED temperature sensor and the detection of LED light flux
Module is connected with microcontroller 6 respectively.
Wherein, image capture module is installed on above vehicle window rearview mirror, and image capture module is used to gather real-time road surface letter
Breath, height sensor are installed on vehicle body, and height sensor is used to detect body sway amount, and LED temperature sensor and LED light are led to
Amount detection module is arranged on matrix L ED modules, and LED temperature sensor is used to detect in the matrix L ED die set light source courses of work
Temperature variation, LED light flux detection module is used to measure radiation of light source visible ray total amount, and microcontroller 6 is according to receiving
Temperature information and luminous flux information judgment matrix LED module whether there is overvoltage or overcurrent because in the matrix L ED modules
The caloric value of LED can increase severely when some monomer LED overvoltages or overcurrent while brightness greatly improves, when caloric value or luminous flux surpass
6 judgment matrix LED module overcurrent of microcontroller when crossing some threshold value, deflection angle sensor are used to provide steering wheel angle letter
Number, rotation direction sensor is used to provide steering indicating light logical signal.
The matrix L ED modules of the present embodiment include dipped beam module 9, distance light module 10 and corner lamp module 11, dipped beam module 9,
Distance light module 10 and corner lamp module 11 are three mutually independent modules, and wherein dipped beam module 9 has free regulating irradiation angle
Structure, 9 irradiating angle of dipped beam module automatic adjustment operation principle and system composition can be found in paper, and " a kind of car headlamp is automatic
Height regulation and control system designs ", the body sway amount that the microcontroller 6 of the present embodiment is measured according to height sensor controls closely
The irradiating angle of optical mode group 9, realizes the function of automatic adjustment height light modulation, it is preferred that the irradiation angle range of dipped beam module 9 for 1~
5 ° of sections.
The distance light module 10 of the present embodiment includes 9 LED light, can produce 9 kinds of light type, left and right bilateral LED distance light modules
10 can combine the different dark spaces of 25 kinds of generation.The real-time information of road surface that microcontroller 6 is picked up according to image capture module is formulated remote
The control strategy of optical mode group 10 is simultaneously sent to matrix L ED control managers 5, and matrix L ED control managers 5 can be by built-in soft
Part simulation pwm signals adjust high level and low level duty cycle in the square wave of certain frequency, you can realize each monomer LED
The brilliance control of lamp, so that distance light module 10 produces different dark space or clear zone, specifically, 9 LED of distance light module 10
Lamp is evenly arranged in matrix form, and matrix L ED controls manager 5 to be determined to need LED light and the brightness lighted according to control strategy,
The light intensity of dark space representative value between 0.5lux-5lux is 2.5lux, and guarantee will not produce dazzle, the light intensity in clear zone
Representative value is 45lux between 40lux-50lux and irradiating angle is identical with the irradiating angle of dipped beam module 9, and the enhancing visual field is same
When avoid interference driving vehicle.
The microcontroller 6 of the present embodiment is according to deflection angle sensor and/or the feedback signal pilot angle of rotation direction sensor
The illumination of lamp module 11, the temperature simulation electricity that microcontroller 6 is fed back according to LED temperature sensor and LED light flux detection module
Pressure signal and luminous flux analog voltage signal detect the working status of matrix L ED modules in real time, and microcontroller 6 passes through matrix L ED
Manager 5 is controlled to carry out the entire compensation of open-circuit-protection, short trouble diagnosis and luminous flux to each monomer LED.
The microcontroller 6 of the present embodiment carries out information exchange by CAN communication module and image capture module, receives at the same time
Height sensor signal, the steering wheel angle signal of deflection angle sensor, steering indicating light logical signal, the LED of rotation direction sensor
Temperature signal and LED light flux signal, after the processing of all information integrations, dipped beam module is controlled by matrix L ED management modules
9th, distance light module 10 and corner lamp module 11 realize corresponding automatic adjustment height light modulation, adaptive distance light and follow-up steering floor light
Three zones, are effectively improved vehicle all-weather driving lighting environment, improve the security integrally driven.
The automotive LED headlamp module control method of the present embodiment comprises the following steps：
Step 101：When user selects headlamp to control AUTO grades, ambient light intensity is less than 30lux and speed is more than
During 60km/h, system enters self-adapting intelligent distance light control model, when ambient light illumination is less than 50km/h more than 50lux and speed
When, automatically switch to lower beam illumination；
Step 102：Under self-adapting intelligent distance light control model, when run into front 400 meters in to meeting when, driving control
Unit control matrix L ED modules processed are produced avoids meeting dazzle with the dark space of the covering meeting profile of car movement；In front of running into
Front truck in the same direction within 200 meters, drive control unit control matrix L ED modules to produce the dark space for covering front truck profile with distance
Front truck rear view mirror glare is avoided, when there is meeting and front truck at the same time, drive control unit controls matrix L ED modules only at two
The clear zone enhancing visual field is produced among vertical dark space；
Step 103：Under self-adapting intelligent distance light control model, when spacing close to when, automatically switch into dipped beam module 9 and shine
It is bright, when front is without vehicle, it is automatically restored to distance light module 10 and illuminates.
2 seconds after hand-operated forced distance light operates, self-adapting intelligent distance light control model is reverted to automatically.
When speed is less than 60km/h and when being more than 10km/h, drive control unit is according to the steering indicating light logic of rotation direction sensor
The angular signal of signal and deflection angle sensor automatically turns on the corner lamp module 11 of corresponding direction.The follow-up steering floor light
Pattern can combine turning crossing real-time road, steering wheel deflection angle and the steering indicating light letter that external image acquisition module is picked up
The information of numbers three aspects, the corner lamp for automatically turning on corresponding direction carry out follow-up steering illumination, while the specific light of corner lamp module 11
Flux intelligent according to the actual conditions of driving can also be adjusted, and to provide 38 ° of floor light scope, stand driver
Find the driving conditions near curved areas.
When speed is less than 5km/h, drive control unit by the body sway amount that height sensor signal provides 1~
The irradiating angle of dipped beam module 9 is adjusted in 5 ° of interval ranges, to obtain optimal illumination region.
It should be appreciated that specific embodiment described above is only used for explaining the present invention, it is not intended to limit the present invention.By
Among the obvious changes or variations that the spirit of the present invention is extended out is still in protection scope of the present invention.
Claims (10)
- A kind of 1. automotive LED headlamp module, it is characterised in that：The headlamp module includes：Matrix L ED modules, illuminate for running car；Information acquisition unit, for gathering real-time information of road surface, the real-time information of road surface that described information collecting unit will collect It is sent to drive control unit；Drive control unit, for controlling the matrix L ED modules, the drive control unit is controlled according to real-time information of road surface The matrix L ED modules, the drive control unit control matrix L ED modules produce the covering moved with car when to meeting The dark space of meeting profile avoids meeting dazzle, and when running into front truck in the same direction, drive control unit controls matrix L ED modules with distance The dark space that distance produces covering front truck profile avoids front truck rear view mirror glare, when there is meeting and front truck at the same time, the driving Control unit controls matrix L ED modules to produce the clear zone enhancing visual field in two the middle of independent dark space.
- 2. automotive LED headlamp module according to claim 1, it is characterised in that：The drive control unit includes driving Dynamic model group and control module, the driving module include anti-reverse protection module (1), boosting rectifier control module (2), current constant control mould Block (4) and constant pressure output module (3), one end connection power supply of the anti-reverse protection module (1), the anti-reverse protection module (1) it is used to protect drive control unit back-end circuit, other end and the liter of the anti-reverse protection module (1) One end of control module (2) is pressed to be electrically connected, the boosting rectifier control module (2) is used to supply voltage being promoted to the driving matrix Rated voltage needed for LED module, other end and the constant-current control module (4) of the boosting rectifier control module (2) are electrically connected Connect, rear class power circuit of the constant-current control module (4) as boosting rectifier control module (2), the constant-current control module (4) is used In the rated current needed for matrix L ED modules described in output driving, the constant pressure output module (3) and the anti-reverse protection mould Block (1) is electrically connected, and the constant pressure output module (3) is used to provide constant voltage source to the control module.
- 3. automotive LED headlamp module according to claim 2, it is characterised in that：The control module includes microcontroller Device (6) and matrix L ED control managers (5), the microcontroller (6) receive the data message of described information collecting unit, institute Microcontroller (6) is stated to parse data message and message commands are sent to the matrix L ED control managers (5), it is described The control signal that matrix L ED control managers (5) produce multichannel distinct pulse widths carries out each monomer LED in matrix L ED modules Control management.
- 4. automotive LED headlamp module according to claim 3, it is characterised in that：Described information collecting unit includes figure As acquisition module, height sensor, deflection angle sensor, rotation direction sensor, LED temperature sensor and the detection of LED light flux Module, described image acquisition module are communicated by CAN communication module (7) with the microcontroller (6), the height sensor, Deflection angle sensor, rotation direction sensor, LED temperature sensor and LED light flux detection module respectively with the microcontroller (6) it is connected.
- 5. automotive LED headlamp module according to claim 4, it is characterised in that：Described image acquisition module is installed on Above vehicle window rearview mirror, described image acquisition module is used to gather real-time information of road surface, and the height sensor is installed on vehicle body On, the height sensor is used to detect body sway amount, and LED temperature sensor and LED light the flux detection module is set On the matrix L ED modules, the LED temperature sensor is used to detect the temperature in the matrix L ED die set light source courses of work Variable quantity, the LED light flux detection module are used to measure radiation of light source visible ray total amount, and the deflection angle sensor is used for Steering wheel angular signal is provided, the rotation direction sensor is used to provide steering indicating light logical signal.
- 6. automotive LED headlamp module according to claim 5, it is characterised in that：The matrix L ED modules include dipped beam Module (9), distance light module (10) and corner lamp module (11), the vehicle body that the microcontroller (6) measures according to height sensor incline Gradient controls the irradiating angle of the dipped beam module (9), the real-time road that the microcontroller (6) is picked up according to image capture module Face information formulates the control strategy of the distance light module (10) and is sent to the matrix L ED control managers (5), the micro-control Device (6) processed controls the illumination of the corner lamp module (11) according to the feedback signal of deflection angle sensor and/or rotation direction sensor, The microcontroller (6) is fed back according to the temperature simulation voltage signal and LED light flux detection module of LED temperature sensor feedback Luminous flux analog voltage signal detect the working statuses of matrix L ED modules in real time, the microcontroller (6) passes through matrix L ED Manager (5) is controlled to carry out the entire compensation of open-circuit-protection, short trouble diagnosis and luminous flux to each monomer LED.
- 7. a kind of automotive LED headlamp module control method, using automotive LED headlamp module as claimed in claim 6, its It is characterized in that：Comprise the following steps：Step 101：When user selects headlamp to control AUTO grades, ambient light intensity is less than 30lux and speed is more than 60km/ During h, system enters self-adapting intelligent distance light control model, when ambient light illumination is more than 50lux and speed is less than 50km/h, automatically It is switched to dipped beam module (9) illumination；Step 102：Under self-adapting intelligent distance light control model, when run into front 400 meters in to meeting when, it is described driving control Unit control matrix L ED modules processed are produced avoids meeting dazzle with the dark space of the covering meeting profile of car movement；In front of running into Front truck in the same direction within 200 meters, drive control unit control matrix L ED modules to produce the dark space for covering front truck profile with distance Front truck rear view mirror glare is avoided, when there is meeting and front truck at the same time, the drive control unit controls matrix L ED modules two The clear zone enhancing visual field is produced among a independent dark space；Step 103：Under self-adapting intelligent distance light control model, when spacing close to when, automatically switch into dipped beam module (9) illumination, When front is without vehicle, distance light module (10) illumination is automatically restored to.
- 8. automotive LED headlamp module control method according to claim 7, it is characterised in that：When hand-operated forced distance light 2 seconds after operation, self-adapting intelligent distance light control model is reverted to automatically.
- 9. automotive LED headlamp module control method according to claim 7, it is characterised in that：When speed is less than 60km/ H and when being more than 10km/h, drive control unit is according to the steering indicating light logical signal of rotation direction sensor and deflection angle sensor Angular signal automatically turns on the corner lamp module (11) of corresponding direction.
- 10. automotive LED headlamp module control method according to claim 7, it is characterised in that：When speed is less than 5km/ During h, drive control unit adjusts dipped beam mould by the body sway amount that height sensor signal provides in 1~5 ° of interval range The irradiating angle of group (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610960968.8A CN108016348B (en) | 2016-11-04 | 2016-11-04 | LED automobile headlamp module and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610960968.8A CN108016348B (en) | 2016-11-04 | 2016-11-04 | LED automobile headlamp module and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108016348A true CN108016348A (en) | 2018-05-11 |
| CN108016348B CN108016348B (en) | 2023-02-14 |
Family
ID=62083830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610960968.8A Active CN108016348B (en) | 2016-11-04 | 2016-11-04 | LED automobile headlamp module and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108016348B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819830A (en) * | 2018-05-24 | 2018-11-16 | 北京经纬恒润科技有限公司 | A kind of control method, control device and the control system of intelligence headlamp |
| CN109808585A (en) * | 2019-01-31 | 2019-05-28 | 吉利汽车研究院（宁波）有限公司 | A kind of vehicle light control method, device, system and vehicle |
| CN109823258A (en) * | 2019-03-04 | 2019-05-31 | 同济大学 | A kind of matrix LED high beam intelligence supplementary controlled system and its control method |
| CN110701571A (en) * | 2019-10-15 | 2020-01-17 | 江苏恒瑞车灯有限公司 | Car headlight structure convenient to light is adjusted |
| FR3100866A1 (en) * | 2019-09-17 | 2021-03-19 | Psa Automobiles Sa | Vehicle headlight |
| FR3100864A1 (en) * | 2019-09-17 | 2021-03-19 | Psa Automobiles Sa | Vehicle headlight |
| WO2021053281A1 (en) * | 2019-09-17 | 2021-03-25 | Psa Automobiles Sa | Vehicle headlamp |
| CN113183868A (en) * | 2021-05-27 | 2021-07-30 | 同济大学 | Intelligent matrix LED headlamp control system based on image recognition technology |
| CN113924824A (en) * | 2019-05-29 | 2022-01-11 | 法雷奥照明公司 | Method for operating a vehicle lighting device and vehicle lighting device |
| CN113928214A (en) * | 2020-06-29 | 2022-01-14 | 广州汽车集团股份有限公司 | Vehicle corner lamp control method, vehicle body control module and vehicle corner lamp control system |
| CN114179712A (en) * | 2021-12-29 | 2022-03-15 | 东风汽车有限公司东风日产乘用车公司 | Vehicle headlamp control method, electronic device, and storage medium |
| CN117320218A (en) * | 2023-11-28 | 2023-12-29 | 杭州亿时照明工程设计有限公司 | Comfort consistency control method for intelligent lighting system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101190664A (en) * | 2006-12-01 | 2008-06-04 | 丰田自动车株式会社 | Vehicular illumination system |
| CN101260981A (en) * | 2006-08-31 | 2008-09-10 | 曹民 | Multifunctional hand / automatic complementary type front shining lamp dimmer |
| CN102658791A (en) * | 2012-05-25 | 2012-09-12 | 北京经纬恒润科技有限公司 | Automatic dimming system for automotive headlamps |
| CN104228665A (en) * | 2014-09-17 | 2014-12-24 | 南京航空航天大学 | Adaptive automobile headlamp and control method thereof |
| EP3016140A1 (en) * | 2014-10-31 | 2016-05-04 | Nichia Corporation | Light emitting device and adaptive driving beam headlamp system |
| CN105889840A (en) * | 2016-06-08 | 2016-08-24 | 广东雷腾智能光电有限公司 | Self-adaptive high-low-beam integrated LED multi-module headlamp |
-
2016
- 2016-11-04 CN CN201610960968.8A patent/CN108016348B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260981A (en) * | 2006-08-31 | 2008-09-10 | 曹民 | Multifunctional hand / automatic complementary type front shining lamp dimmer |
| CN101190664A (en) * | 2006-12-01 | 2008-06-04 | 丰田自动车株式会社 | Vehicular illumination system |
| CN102658791A (en) * | 2012-05-25 | 2012-09-12 | 北京经纬恒润科技有限公司 | Automatic dimming system for automotive headlamps |
| CN104228665A (en) * | 2014-09-17 | 2014-12-24 | 南京航空航天大学 | Adaptive automobile headlamp and control method thereof |
| EP3016140A1 (en) * | 2014-10-31 | 2016-05-04 | Nichia Corporation | Light emitting device and adaptive driving beam headlamp system |
| CN105889840A (en) * | 2016-06-08 | 2016-08-24 | 广东雷腾智能光电有限公司 | Self-adaptive high-low-beam integrated LED multi-module headlamp |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819830A (en) * | 2018-05-24 | 2018-11-16 | 北京经纬恒润科技有限公司 | A kind of control method, control device and the control system of intelligence headlamp |
| CN109808585A (en) * | 2019-01-31 | 2019-05-28 | 吉利汽车研究院（宁波）有限公司 | A kind of vehicle light control method, device, system and vehicle |
| CN109808585B (en) * | 2019-01-31 | 2021-08-13 | 吉利汽车研究院（宁波）有限公司 | Vehicle lamp control method, device and system, vehicle lamp controller, vehicle and medium |
| CN109823258A (en) * | 2019-03-04 | 2019-05-31 | 同济大学 | A kind of matrix LED high beam intelligence supplementary controlled system and its control method |
| CN109823258B (en) * | 2019-03-04 | 2020-10-23 | 同济大学 | Intelligent auxiliary control system and method for matrix type LED high beam |
| CN113924824A (en) * | 2019-05-29 | 2022-01-11 | 法雷奥照明公司 | Method for operating a vehicle lighting device and vehicle lighting device |
| FR3100864A1 (en) * | 2019-09-17 | 2021-03-19 | Psa Automobiles Sa | Vehicle headlight |
| WO2021053281A1 (en) * | 2019-09-17 | 2021-03-25 | Psa Automobiles Sa | Vehicle headlamp |
| US11732859B2 (en) | 2019-09-17 | 2023-08-22 | Psa Automobiles Sa | Vehicle headlamp |
| FR3100866A1 (en) * | 2019-09-17 | 2021-03-19 | Psa Automobiles Sa | Vehicle headlight |
| CN114402163B (en) * | 2019-09-17 | 2024-07-02 | 标致雪铁龙汽车股份有限公司 | Vehicle headlamp |
| CN114402163A (en) * | 2019-09-17 | 2022-04-26 | 标致雪铁龙汽车股份有限公司 | Vehicle headlight |
| CN110701571A (en) * | 2019-10-15 | 2020-01-17 | 江苏恒瑞车灯有限公司 | Car headlight structure convenient to light is adjusted |
| CN113928214A (en) * | 2020-06-29 | 2022-01-14 | 广州汽车集团股份有限公司 | Vehicle corner lamp control method, vehicle body control module and vehicle corner lamp control system |
| CN113183868A (en) * | 2021-05-27 | 2021-07-30 | 同济大学 | Intelligent matrix LED headlamp control system based on image recognition technology |
| CN114179712B (en) * | 2021-12-29 | 2024-03-12 | 东风汽车有限公司东风日产乘用车公司 | Vehicle headlamp control method, electronic device, and storage medium |
| CN114179712A (en) * | 2021-12-29 | 2022-03-15 | 东风汽车有限公司东风日产乘用车公司 | Vehicle headlamp control method, electronic device, and storage medium |
| CN117320218A (en) * | 2023-11-28 | 2023-12-29 | 杭州亿时照明工程设计有限公司 | Comfort consistency control method for intelligent lighting system |
| CN117320218B (en) * | 2023-11-28 | 2024-02-20 | 杭州亿时照明工程设计有限公司 | Comfort consistency control method for intelligent lighting system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108016348B (en) | 2023-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108016348A (en) | A kind of automotive LED headlamp module and its control method | |
| CN206243017U (en) | A kind of automotive LED headlamp module | |
| CN203005235U (en) | Backlight regulation device for vehicle-mounted meter | |
| CN109823258B (en) | Intelligent auxiliary control system and method for matrix type LED high beam | |
| CN104859531B (en) | A kind of Intelligent control device for automobile brake lamp, method and automobile | |
| CN105575145B (en) | The traffic lights of adaptive haze environment | |
| CN201585184U (en) | Intelligent living district street lamp control device | |
| CN201724034U (en) | Tunnel illumination arrangement system | |
| CN205022450U (en) | Vehicle headlamps intelligence control system | |
| CN108657062A (en) | A kind of adjustable intelligent vehicle head lamp system of brightness based on environment and method | |
| CN208264097U (en) | A kind of anti-glare headlight for vehicles control system | |
| CN105235581A (en) | Multi-mode switched self-adaptive adjustment automobile lamp | |
| CN206506754U (en) | A kind of intelligent LED street lamp of automatic detection flow of the people vehicle flowrate light intensity | |
| CN105101563A (en) | Tunnel safety driving lighting system and lighting control method for automobile | |
| CN208411553U (en) | A kind of automobile intelligent distance light lamp control system | |
| CN103260306A (en) | Intelligent fog lamp and induction control system thereof | |
| CN112530181A (en) | Traffic signal lamp and traffic signal lamp control system | |
| CN106394392A (en) | Vehicle distant lamp and dipped lamp shifting control device having automatic recognition function | |
| CN203068372U (en) | Daytime running light | |
| KR101608217B1 (en) | Lighting system and its operation method | |
| CN104139728A (en) | Automatic control system for high and low beams of automobile | |
| CN112793505A (en) | Adaptive spectrum adjustment system and method for automatic driving | |
| CN204922649U (en) | Low clearance tunnel lamp that adjustable light and shade changes | |
| CN116456554A (en) | Solar street lamp and control system thereof | |
| CN110001509A (en) | The far-near smooth lamp automatic beam change control system of automobile at night |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |