CN108601171A - A kind of the laser headlamp control system and its control method of brightness adjustable color - Google Patents
A kind of the laser headlamp control system and its control method of brightness adjustable color Download PDFInfo
- Publication number
- CN108601171A CN108601171A CN201810160529.8A CN201810160529A CN108601171A CN 108601171 A CN108601171 A CN 108601171A CN 201810160529 A CN201810160529 A CN 201810160529A CN 108601171 A CN108601171 A CN 108601171A
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- China
- Prior art keywords
- brightness
- laser
- colour temperature
- vehicle multimedia
- image processor
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/18—Controlling the light source by remote control via data-bus transmission
-
- 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
- B60Q1/085—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 special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- 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
- B60Q2300/30—Indexing codes relating to the vehicle environment
- B60Q2300/31—Atmospheric conditions
- B60Q2300/312—Adverse weather
-
- 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
Abstract
The present invention discloses a kind of the laser headlamp control system and its control method of brightness adjustable color, belongs to automotive electronics lighting system field of intelligent control.It includes external image processor, vehicle multimedia navigation and control drive module, and external image processor and vehicle multimedia navigation are connected by CAN bus with control drive module respectively；External image processor acquires environmental information；Vehicle multimedia navigation receives GPS information and obtains local weather information；The operation interface of vehicle multimedia navigation provides to the user adjusts colour temperature and brightness manually；Control drive module receives and processes the information from external image processor and vehicle multimedia navigation, obtain with presently most matched colour temperature and brightness value, and then adjust colour temperature and the brightness of laser headlamp by adjusting each PWM wave duty ratio.The present invention meets the needs of car headlamp is to various lighting environments, brightness and colour temperature can automatic or manual adjust, further promote the safety driven.
Description
Technical field
The invention belongs to automotive electronics lighting system field of intelligent control, before especially a kind of laser of brightness adjustable color
Illuminator control system and its control method.
Background technology
At night or dark weather, automobile lamp directly affects automobile traveling problem, the automobile lamp of high-quality
It helps to improve driving safety and reduces accident rate.In recent years, being constantly progressive with laser technology so that laser is gradually answered
Use automotive lighting field.Currently, there are mainly two types of the laser technology schemes of mainstream：Blue laser is obtained with yellow, fluorescent powder
Tri- color Laser synthesizing white laser of white laser and RGB.
Application No. is 201620217262.8 patents, disclose a kind of automobile-used laser lighting lamp, can automatically provide environment
Suitable for the white laser of colour temperature, i.e. the rainy day is the white light of 3000-4000K, other weather are the white light of 5000K or so, therefore, tool
There is the features such as white light is high-quality, fast response time, white light adjusting is sensitive.But there is no particular for haze weather for the patent
Light colour temperature is adjusted；Simultaneously as the power of general laser headlamp is very big, in rainy day or haze, light
It can all be reflected on raindrop, road surface, haze, easily driver is caused to dazzle the eyes and generate illusion.Therefore, in bad weather
Under the conditions of, in addition to needing the colour temperature to laser headlamp to be adjusted, it is also necessary to adjusting is made to the brightness of laser headlamp, with
Reflected light is reduced, the safety of driving is improved.
Invention content
It is directed under severe weather conditions for the general laser headlamp of solution and the colour temperature of light and brightness is adjusted
Defect, the present invention provides a kind of the laser headlamp control system and its control method of brightness adjustable color, and user can pass through
Manual mode or automatic mode debug the brightness of laser headlamp and colour temperature, under severe weather conditions, can will swash
The brightness of light headlamp and colour temperature are adjusted to optimum state, to greatly improve the safety of driving.
To achieve the above object, the present invention uses following technical proposals：
A kind of laser headlamp control system of brightness adjustable color, it includes external image processor, vehicle mounted multimedia
Navigation and control drive module, external image processor and vehicle multimedia navigation pass through CAN bus and control driving mould respectively
Block is connected；
External image processor acquires external environmental information by camera；
Vehicle multimedia navigation receives GPS positioning information and obtains local real-time weather information；
The operation interface (touch screen) of vehicle multimedia navigation provides to the user adjusts colour temperature and brightness manually；
Control drive module receives and processes external environmental information from external image processor and vehicle mounted multimedia is led
The local real-time weather information of boat, obtain with presently most matched colour temperature and brightness value, and then pass through and adjust each PWM wave duty
Than adjusting colour temperature and the brightness of laser headlamp.
Further, control drive module includes microcontroller and laser-driven chip, and microcontroller, which receives and processes, to be come
From the external environmental information of external image processor and the local real-time weather information of vehicle multimedia navigation, obtain with it is current most
It for matched colour temperature and brightness value, while generating control command and being sent to laser-driven chip, laser-driven chip is according to control
Order adjusts colour temperature and the brightness of laser headlamp by adjusting PWM wave and the overall brightness PWM wave of tri- color laser of R, G, B.
Further, control drive module further includes CAN transceiver and low pressure difference linear voltage regulator, and low pressure difference linearity is steady
Depressor is that CAN transceiver and microcontroller are powered.
A kind of control method of the laser headlamp control system of brightness adjustable color, it includes the following steps：
Step 1, in automatic mode, control drive module receive and process the external rings from external image processor
The local real-time weather information of border information and vehicle multimedia navigation, obtain with presently most matched colour temperature and brightness value, into
And the PWM proportionings and overall brightness PWM wave of tri- color laser of RGB are adjusted, to reach adjustment laser headlamp colour temperature and brightness
Purpose；
Step 2, in a manual mode, user is by the control interface of vehicle multimedia navigation, directly to laser headlamp
Colour temperature be adjusted with brightness, experience the most comfortable colour temperature to reach user.
Advantageous effect：
1. the laser head lamp system can meet the needs of car headlamp is to various lighting environments, brightness and colour temperature can be certainly
Dynamic or adjusting manually, and it is compact to design, safe and reliable, further improve the safety of driving.
2. the touch-screen button using vehicle multimedia navigation substitutes original hardwire switch, manufacturing cost has been saved.
Description of the drawings
Fig. 1 is the laser headlamp control system Organization Chart of one embodiment of the invention.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
The present embodiment proposes a kind of laser headlamp control system of brightness adjustable color, as shown in Figure 1, it includes outside
Image processor 1, vehicle multimedia navigation 2 and left and right control drive module 3, external image processor 1 and vehicle mounted multimedia are led
Boat 2 is connected by CAN bus with left and right control drive module 3 respectively；
External image processor 1 acquires external environmental information by camera；
Vehicle multimedia navigation 2 receives GPS positioning information and obtains local real-time weather information；
The operation interface of vehicle multimedia navigation 2 provides to the user adjusts colour temperature and brightness manually；
Left and right control drive module 3 includes microcontroller (MCU) 31, laser-driven chip 32,33 and of CAN transceiver
Low pressure difference linear voltage regulator (LDO) 34, low pressure difference linear voltage regulator 34 are that CAN transceiver 33 and microcontroller 31 are powered, micro-control
Device 31 processed receives and processes the locality of external environmental information and vehicle multimedia navigation 2 from external image processor 2 in real time
Weather information, obtain with presently most matched colour temperature and brightness value, while generating control command and being sent to laser-driven chip
32, laser-driven chip 32 is adjusted according to control command by adjusting PWM wave and the overall brightness PWM wave of tri- color laser of R, G, B
The colour temperature of whole left and right laser headlamp 4 and brightness.
The present embodiment also proposes a kind of control method of the laser headlamp control system of brightness adjustable color, it include with
Lower step：
Step 1, control drive module 3 power on；
Step 2, MCU and each module are initialized, self-test；
Step 3, after self-test passes through, into normal mode of operation；
Step 4, in automatic mode, control drive module 3 are received and processed from the outside of external image processor 1
The local real-time weather information of environmental information and vehicle multimedia navigation 2, obtain with presently most matched colour temperature and brightness value,
And then adjust the PWM proportionings and overall brightness PWM wave of tri- color laser of RGB, to reach the colour temperature of adjustment laser headlamp 4 with it is bright
The purpose of degree；
Step 5, in a manual mode, user can be by the control interfaces of vehicle multimedia navigation 2, directly to laser
The colour temperature of headlamp 4 is adjusted with brightness, experiences colour temperature the most comfortable to reach user.
Limiting the scope of the invention, those skilled in the art should understand that, in technical scheme of the present invention
On the basis of, the various modifications or variations that can be made by those skilled in the art with little creative work still the present invention's
Within protection domain.
Claims (4)
1. a kind of laser headlamp control system of brightness adjustable color, it is characterised in that：It includes external image processor
(1), vehicle multimedia navigation (2) and control drive module (3), external image processor (1) and vehicle multimedia navigation (2) point
It is not connected with control drive module (3) by CAN bus；
The external image processor (1) acquires external environmental information by camera；
The vehicle multimedia navigation (2) receives GPS positioning information and obtains local real-time weather information；
The operation interface of the vehicle multimedia navigation (2) provides to the user adjusts colour temperature and brightness manually；
The control drive module (3) receives and processes external environmental information from external image processor (2) and vehicle-mounted more
The local real-time weather information of media navigation (2), obtain with presently most matched colour temperature and brightness value, and then it is each by adjusting
PWM wave duty ratio adjusts colour temperature and the brightness of laser headlamp (4).
2. the laser headlamp control system of brightness adjustable color according to claim 1, it is characterised in that：The control
Drive module (3) includes microcontroller (31) and laser-driven chip (32), and microcontroller (31) is received and processed from outside
The external environmental information of image processor (2) and the local real-time weather information of vehicle multimedia navigation (2), obtain with it is current most
For matched colour temperature and brightness value, while generating control command and being sent to laser-driven chip (32), laser-driven chip (32)
According to control command laser headlamp (4) is adjusted by adjusting PWM wave and the overall brightness PWM wave of tri- color laser of R, G, B
Colour temperature and brightness.
3. the laser headlamp control system of brightness adjustable color according to claim 2, it is characterised in that：The control
Drive module (3) further includes CAN transceiver (33) and low pressure difference linear voltage regulator (34), and low pressure difference linear voltage regulator (34) is
CAN transceiver (33) and microcontroller (31) power supply.
4. the controlling party of the laser headlamp control system of brightness adjustable color according to any one of claim 1-3
Method, it is characterised in that：It includes the following steps：
Step 1, in automatic mode, control drive module (3) receive and process the outside from external image processor (1)
The local real-time weather information of environmental information and vehicle multimedia navigation (2) obtains and presently most matched colour temperature and brightness
Value, and then adjust the PWM proportionings and overall brightness PWM wave of tri- color laser of RGB；
Step 2, in a manual mode, user is by the control interfaces of vehicle multimedia navigation (2), directly to laser headlamp
(4) colour temperature is adjusted with brightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160529.8A CN108601171A (en) | 2018-02-27 | 2018-02-27 | A kind of the laser headlamp control system and its control method of brightness adjustable color |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160529.8A CN108601171A (en) | 2018-02-27 | 2018-02-27 | A kind of the laser headlamp control system and its control method of brightness adjustable color |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108601171A true CN108601171A (en) | 2018-09-28 |
Family
ID=63609068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810160529.8A Pending CN108601171A (en) | 2018-02-27 | 2018-02-27 | A kind of the laser headlamp control system and its control method of brightness adjustable color |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108601171A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111511081A (en) * | 2019-01-14 | 2020-08-07 | 比亚迪股份有限公司 | Vehicle, vehicle lamp control device and vehicle lamp control circuit and method thereof |
| CN112128706A (en) * | 2020-10-09 | 2020-12-25 | 清华大学深圳国际研究生院 | Intelligent headlamp of automobile |
| CN114126154A (en) * | 2021-11-29 | 2022-03-01 | 杭州老板电器股份有限公司 | Lighting system with adjustable brightness and color temperature and control method |
| CN114582090A (en) * | 2022-02-27 | 2022-06-03 | 武汉铁路职业技术学院 | Rail vehicle drives monitoring and early warning system |
| CN114857533A (en) * | 2022-05-09 | 2022-08-05 | 浙江天翀车灯集团有限公司 | Multi-light-source periscopic automobile lamp and automobile with same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111511081A (en) * | 2019-01-14 | 2020-08-07 | 比亚迪股份有限公司 | Vehicle, vehicle lamp control device and vehicle lamp control circuit and method thereof |
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| CN112128706A (en) * | 2020-10-09 | 2020-12-25 | 清华大学深圳国际研究生院 | Intelligent headlamp of automobile |
| CN114126154A (en) * | 2021-11-29 | 2022-03-01 | 杭州老板电器股份有限公司 | Lighting system with adjustable brightness and color temperature and control method |
| CN114582090A (en) * | 2022-02-27 | 2022-06-03 | 武汉铁路职业技术学院 | Rail vehicle drives monitoring and early warning system |
| CN114857533A (en) * | 2022-05-09 | 2022-08-05 | 浙江天翀车灯集团有限公司 | Multi-light-source periscopic automobile lamp and automobile with same |
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