CN115111560B - Superimposed ADB automobile headlamp and illumination method thereof - Google Patents

Superimposed ADB automobile headlamp and illumination method thereof Download PDF

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Publication number
CN115111560B
CN115111560B CN202210576354.5A CN202210576354A CN115111560B CN 115111560 B CN115111560 B CN 115111560B CN 202210576354 A CN202210576354 A CN 202210576354A CN 115111560 B CN115111560 B CN 115111560B
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Prior art keywords
light source
high beam
beam light
adb
superimposed
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CN115111560A (en
Inventor
郭志友
邓蚁
张康
谢长鑫
陈炳演
贺晓
邓开萍
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Foshan Sanmu Intelligent Electronics Co ltd
Guangdong Sanmu Automotive Electronics Co ltd
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Foshan Sanmu Intelligent Electronics Co ltd
Guangdong Sanmu Automotive Electronics Co ltd
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Priority to CN202210576354.5A priority Critical patent/CN115111560B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0471—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The invention discloses a superimposed ADB automobile headlamp and an illumination method thereof. The superimposed ADB automobile headlamp comprises a processor, a distance detection module and a light source module; the light source module comprises a dipped headlight module, N lateral high beam light source modules and 1 direct projection high beam light source module; the processor controls the distance detection module to measure the distances between the vehicles running in the same direction in front and the vehicles running in opposite directions and the vehicles carrying the superimposed self-adaptive ADB automobile head lamps, and further controls the N groups of lateral high beam light source modules and the 1 groups of direct projection high beam light source modules to adopt different illumination modes for illumination. The invention realizes the illumination scheme of sectionally implementing different distances relative to the running vehicle, avoids the high price of the precise range radar, reduces the price of the product by about 10 times, and can carry out industrial production.

Description

Superimposed ADB automobile headlamp and illumination method thereof
Technical Field
The invention relates to the technology of automobile headlamps, in particular to a superimposed ADB automobile headlamp and an illumination method thereof.
Background
LED light sources are one of the main current light sources for automobile illumination, and are limited by price factors and slow pushing speed of automobile lamp manufacturers for a long time, and the market scale is always in a stagnation state. The original automobile headlight mainly uses the traditional light source, gradually changes to LED headlight, intelligent headlight. The intelligent development of the car lamps can improve the active safety performance of the car, and with the rapid development of automatic driving, the requirements on the performance of the car headlights are also higher and higher. The intelligent development trend of car lamps derives more lighting technologies, including in particular AFS (adaptive front lighting system), ADB (active adjustment of the headlight system) and the like. Although the intelligent LED headlight has very bright prospect, the LED is used as a novel light source of the headlight, and the fundamental technical difficulty that needs to be overcome is quite large. The three major problems of light distribution design, driving power supply design and heat dissipation design are the research and development difficulties, and the realization of good far and near light distribution, the output performance of total luminous flux, the heat dissipation scheme, the control technology, the appearance modeling and the like of the lamp are the future development directions.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides the superimposed ADB automobile headlamp which can solve the technical problems of the irradiation of the high beam of the ADB automobile on the running vehicle in the opposite direction and avoid the safety of the running vehicle in the opposite direction.
The object of the invention is achieved by at least one of the following technical solutions.
A superimposed ADB automobile headlamp comprises a processor, a distance detection module and a light source module;
The light source module comprises a dipped headlight module, N lateral high beam light source modules and 1 direct projection high beam light source module;
The N lateral high beam light source modules project lateral high beam light spots to opposite lanes, and the direct projection high beam light source modules project the same-direction lanes and direct projection high beam light spots;
The processor controls the distance detection module to measure the distances between the vehicles running in the same direction in front and the vehicles running in opposite directions and the vehicle carrying the superimposed ADB automobile headlamp, and further controls the N groups of lateral high beam light source modules and the 1 groups of direct projection high beam light source modules to adopt different illumination modes for illumination.
Further, the dipped headlight module projects dipped headlight light spots, and the maximum projection distance is H.
Further, in the N side high beam light source modules, the distance interval H1 between each side high beam light source module and a vehicle carrying the superimposed ADB automobile headlamp is one partition, N partitions are divided, the minimum projection distance of the nth side high beam light source module from the near to the far is H+ (N-1) x H1, the maximum projection distance is H+n x H1, n=1 to N, and N is more than or equal to 4.
Further, the width of the lateral high beam light spot projected by the lateral high beam light source module is w=the number of projected lanes×the lane width.
Further, the maximum projection distance of the direct projection high beam light source module is H+Nxh1.
Further, the distance detection module adopts LiDAR laser radar or millimeter wave radar for measurement.
Further, when any lateral high beam light source module is started, the projected lateral high beam light spots are overlapped to obtain overlapped light spots of the opposite lanes, and the overlapped light spots can reach the standard of the LED head lamp for the GB 25991-2010 automobile;
The direct projection high beam light spots projected by the direct projection high beam light source module are required to reach the standard of the LED head lamp for the GB25991-2010 automobile.
An illumination method of a superimposed ADB automobile headlamp comprises the following steps:
s1, starting a dipped headlight module, N lateral high beam light source modules and 1 direct projection high beam light source module;
S2, the detection module measures distances between the vehicles running in the same direction in front and the opposite direction and the vehicle carrying the superimposed ADB automobile headlamp in real time, and the processor controls the on and off of the N lateral high beam light source modules and the direct projection high beam light source module according to the measured distances between the vehicles running in the same direction in front and the opposite direction and the vehicle carrying the superimposed ADB automobile headlamp, so that the superimposed ADB automobile headlamp effectively avoids the vehicles running in the same direction and the vehicles running in opposite directions.
Further, in step S2, when the distance H Opposite direction e between the vehicle traveling in opposite directions and the vehicle carrying the superimposed ADB automotive headlamp (h+ (N-1) x H1, h+n x H1), n=1 to N, the dipped headlight modules are turned on, the first N lateral high beam light source modules are turned on, and the remaining lateral high beam light source modules are turned off;
When the distance H Opposite direction between the vehicle running in opposite directions and the vehicle carrying the superimposed ADB automobile headlamp is less than or equal to H+ (n-1) x H1, the dipped headlight module is turned on, and all the lateral high beam light source modules are turned off.
Further, in step S2, when the distance H In the same direction between the vehicle traveling in the same direction and the vehicle carrying the superimposed ADB automotive headlamp is greater than h+nxh1, the dipped headlight module is turned on, and the direct projection high beam light source module is turned on;
When the distance H In the same direction between the vehicle running in opposite direction and the vehicle carrying the superimposed ADB automobile headlamp is less than or equal to H+N multiplied by H1, the dipped headlight module is turned on, and the direct projection high beam light source module is turned off.
Compared with the prior art, the invention has the advantages that:
the invention adopts an optical superposition mode to realize the light spot integrity, and the light spot irradiation effect meets the related regulation requirements under various conditions, the cost performance is far higher than that of the technical scheme of about 100 LED light sources in an array, the structure is simple, the control system is simplified, the invention has obvious advantages in radar ranging, the complex calculation of distance measurement is simplified, the safety of automobile running is improved, the illumination scheme is implemented in sections when different distances relative to the running automobile are realized, the problems that the precision range radar is high in price and requires 3-5 ten thousand yuan and is not suitable for economic automobile application are avoided, the price of the product is reduced by about 10 times, and the invention can realize industrial production.
Drawings
Fig. 1 is a schematic view of a light source module of an overlay type ADB automotive headlamp according to an embodiment of the present invention;
FIG. 2 is a top view of a spot of an overlay ADB automotive headlamp according to an embodiment of the present invention;
FIG. 3 is a view showing the effect of light projection of an overlay ADB automotive headlamp in an embodiment of the present invention;
FIG. 4 is an optical block diagram of an overlay ADB automotive headlamp in accordance with an embodiment of the present invention;
Fig. 5 is a structural arrangement diagram of a matrix lens and an LED light source of an overlay type ADB automotive headlamp according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, a detailed description of the specific implementation of the present invention will be given below with reference to the accompanying drawings and examples.
Example 1:
a superimposed ADB automobile headlamp comprises a processor, a distance detection module and a light source module;
In this embodiment, the light source modules include a low beam light module 410 and a high beam light module 102, and the high beam light module 102 includes 6 lateral high beam light source modules and 1 direct projection high beam light source module;
The processor controls the distance detection module to measure the distances between the vehicles running in the same direction in front and the vehicles running in opposite directions and the vehicle carrying the superimposed ADB automobile headlamp, and further controls the 6 groups of lateral high beam light source modules and the 1 groups of direct projection high beam light source modules to adopt different illumination modes for illumination.
The dipped headlight module projects dipped headlight facula, the maximum projection distance is H.
As shown in fig. 2 and 3, the 6 side-to-side high beam light source modules each project a side-to-side high beam light spot on a lane facing the lane, and each distance H1 from a vehicle on which the superimposed ADB automotive headlamp is mounted is defined as one partition, 6 partitions are divided from the near to the far, the minimum projection distance of the nth side-to-side high beam light source module is h+ (n-1) x H1, and the maximum projection distance is h+n x H1, n=1 to 6.
The width of the lateral high beam light spot projected by the lateral high beam light source module is w=the number of projected lanes×the lane width, in this embodiment, the number of projected lanes is 2, and the lane width is 3.75 meters
As shown in fig. 2 and 3, the direct-projection high beam light source module projects direct-projection high beam light spots to the same-directional lane, and the maximum projection distance of the direct-projection high beam light source module is h+nxh1.
The distance detection module adopts LiDAR laser radar or millimeter wave radar for measurement.
When any lateral high beam light source modules are started, the projected lateral high beam light spots are overlapped to obtain opposite lane overlapped light spots which reach the standard of the LED head lamp for the GB 25991-2010 automobile;
The direct projection high beam light spots projected by the direct projection high beam light source module are required to reach the standard of the LED head lamp for the GB25991-2010 automobile.
In this embodiment, as shown in fig. 4 and 5, the dipped headlight module 410 includes a dipped headlight module light source 409; the first optical lens 401 and the first LED light source 501 form a first lateral high beam light source module, the second optical lens 402 and the second LED light source 502 form a second lateral high beam light source module, the third optical lens 403 and the third LED light source 503 form a third lateral high beam light source module, the fourth optical lens 404 and the fourth LED light source 504 form a fourth lateral high beam light source module, the fifth optical lens 405 and the fifth LED light source 505 form a fifth lateral high beam light source module, the sixth optical lens 406 and the sixth LED light source 506 form a sixth lateral high beam light source module, the seventh optical lens 407 and the seventh LED light source 507, the eighth optical lens 408 and the eighth LED light source 508 form a first direct projection high beam light source module together, and the projected light spots coincide.
In this embodiment, the dipped headlight module 410 includes a light source 409 and a reflector cup 411.
An illumination method of a superimposed ADB automobile headlamp comprises the following steps:
S1, starting a dipped headlight module, 6 lateral high beam light source modules and 1 direct projection high beam light source module;
S2, the detection module measures distances between the vehicles running in the same direction in front and the opposite direction and the vehicle carrying the superimposed ADB automobile headlamp in real time, and the processor controls the on and off of the 6 lateral high beam light source modules and the direct projection high beam light source module according to the measured distances between the vehicles running in the same direction in front and the opposite direction and the vehicle carrying the superimposed ADB automobile headlamp, so that the superimposed ADB automobile headlamp effectively avoids the vehicles running in the same direction and the vehicles running in opposite directions.
Further, in step S2, when the distance H Opposite direction e between the vehicle traveling in opposite directions and the vehicle carrying the superimposed ADB automotive headlamp (h+ (n-1) x H1, h+n x H1), n=1 to 6, the dipped headlight modules are turned on, the first n lateral high beam light source modules are turned on, and the remaining lateral high beam light source modules are turned off;
When the distance H Opposite direction between the vehicle running in opposite directions and the vehicle carrying the superimposed ADB automobile headlamp is less than or equal to H+ (n-1) x H1, the dipped headlight module is turned on, and all the lateral high beam light source modules are turned off.
Further, in step S2, when the distance H In the same direction between the vehicle traveling in the same direction and the vehicle carrying the superimposed ADB automotive headlamp is greater than h+nxh1, the dipped headlight module is turned on, and the direct projection high beam light source module is turned on;
When the distance H In the same direction between the vehicle running in opposite direction and the vehicle carrying the superimposed ADB automobile headlamp is less than or equal to H+N multiplied by H1, the dipped headlight module is turned on, and the direct projection high beam light source module is turned off.
Example 2:
a superimposed ADB automobile headlamp comprises a processor, a distance detection module and a light source module;
in this embodiment, the light source module includes a low beam module 410 and a high beam module 102, and the high beam module 102 includes 7 lateral high beam light source modules and 1 direct projection high beam light source module;
The processor controls the distance detection module to measure the distances between the vehicles running in the same direction in front and the vehicles running in opposite directions and the vehicle carrying the superimposed ADB automobile headlamp, and further controls the 7 groups of lateral high beam light source modules and the 1 groups of direct projection high beam light source modules to adopt different illumination modes for illumination.
The dipped headlight module projects dipped headlight facula, the maximum projection distance is H.
In this embodiment, the 7 lateral high beam light source modules each project a lateral high beam light spot onto the opposite lane, the distance interval H1 between each module and the vehicle on which the superimposed ADB automotive headlamp is mounted is defined as a partition, 7 partitions are divided from the near to the far, the minimum projection distance of the nth lateral high beam light source module is h+ (n-1) x H1, and the maximum projection distance is h+n x H1, n=1 to 7.
The width of the lateral high beam light spot projected by the lateral high beam light source module is w=the number of projected lanes×the lane width, in this embodiment, the number of projected lanes is 2, and the lane width is 3.75 meters
In this embodiment, the direct projection high beam light source module projects a direct projection high beam light spot to the same-direction lane, and the maximum projection distance of the direct projection high beam light source module is h+nxh1.
The distance detection module adopts LiDAR laser radar or millimeter wave radar for measurement.
When any lateral high beam light source modules are started, the projected lateral high beam light spots are overlapped to obtain opposite lane overlapped light spots which reach the standard of the LED head lamp for the GB 25991-2010 automobile;
The direct projection high beam light spots projected by the direct projection high beam light source module are required to reach the standard of the LED head lamp for the GB25991-2010 automobile.
In this embodiment, the dipped headlight module 410 includes a light source 409 and a reflector cup 411.
An illumination method of a superimposed ADB automobile headlamp comprises the following steps:
s1, starting a dipped headlight module, 7 lateral high beam light source modules and 1 direct projection high beam light source module;
S2, the detection module measures distances between the vehicles running in the same direction in front and the opposite direction and the vehicle carrying the superimposed ADB automobile headlamp in real time, and the processor controls the 7 lateral high beam light source modules and the direct projection high beam light source modules to be turned on and off according to the measured distances between the vehicles running in the same direction in front and the opposite direction and the vehicle carrying the superimposed ADB automobile headlamp, so that the superimposed ADB automobile headlamp effectively avoids the vehicles running in the same direction and the vehicles running in opposite directions.
Further, in step S2, when the distance H Opposite direction e between the vehicle traveling in opposite directions and the vehicle carrying the superimposed ADB automotive headlamp (h+ (n-1) x H1, h+n x H1), n=1 to 7, the dipped headlight module is turned on, the first n lateral high beam light source modules are turned on, and the remaining lateral high beam light source modules are turned off;
When the distance H Opposite direction between the vehicle running in opposite directions and the vehicle carrying the superimposed ADB automobile headlamp is less than or equal to H+ (n-1) x H1, the dipped headlight module is turned on, and all the lateral high beam light source modules are turned off.
Further, in step S2, when the distance H In the same direction between the vehicle traveling in the same direction and the vehicle carrying the superimposed ADB automotive headlamp is greater than h+nxh1, the dipped headlight module is turned on, and the direct projection high beam light source module is turned on;
When the distance H In the same direction between the vehicle running in opposite direction and the vehicle carrying the superimposed ADB automobile headlamp is less than or equal to H+N multiplied by H1, the dipped headlight module is turned on, and the direct projection high beam light source module is turned off.
Example 3:
a superimposed ADB automobile headlamp comprises a processor, a distance detection module and a light source module;
In this embodiment, the light source modules include a low beam light module 410 and a high beam light module 102, and the high beam light module 102 includes 5 lateral high beam light source modules and 1 direct projection high beam light source module;
The processor controls the distance detection module to measure the distances between the vehicles running in the same direction in front and the vehicles running in opposite directions and the vehicle carrying the superimposed ADB automobile headlamp, and further controls the 5 groups of lateral high beam light source modules and the 1 groups of direct projection high beam light source modules to adopt different illumination modes for illumination.
The dipped headlight module projects dipped headlight facula, the maximum projection distance is H.
In this embodiment, the 5 side-to-side high beam light source modules each project a side-to-side high beam light spot onto the opposite lane, and each distance H1 from the vehicle on which the superimposed ADB automotive headlamp is mounted is defined as a partition, 5 partitions are divided from the near to the far, the minimum projection distance of the nth side-to-side high beam light source module is h+ (n-1) x H1, and the maximum projection distance is h+n x H1, n=1 to 5.
The width of the lateral high beam light spot projected by the lateral high beam light source module is w=the number of projected lanes×the lane width, in this embodiment, the number of projected lanes is 2, and the lane width is 3.75 meters
In this embodiment, the direct projection high beam light source module projects a direct projection high beam light spot to the same-direction lane, and the maximum projection distance of the direct projection high beam light source module is h+nxh1.
The distance detection module adopts LiDAR laser radar or millimeter wave radar for measurement.
When any lateral high beam light source modules are started, the projected lateral high beam light spots are overlapped to obtain opposite lane overlapped light spots which reach the standard of the LED head lamp for the GB 25991-2010 automobile;
The direct projection high beam light spots projected by the direct projection high beam light source module are required to reach the standard of the LED head lamp for the GB25991-2010 automobile.
In this embodiment, the dipped headlight module 410 includes a light source 409 and a reflector cup 411.
An illumination method of a superimposed ADB automobile headlamp comprises the following steps:
S1, starting a dipped headlight module, 5 lateral high beam light source modules and 1 direct projection high beam light source module;
S2, the detection module measures distances between the vehicles running in the same direction in front and the opposite direction and the vehicle carrying the superimposed ADB automobile headlamp in real time, and the processor controls the on and off of the 5 lateral high beam light source modules and the direct projection high beam light source module according to the measured distances between the vehicles running in the same direction in front and the opposite direction and the vehicle carrying the superimposed ADB automobile headlamp, so that the superimposed ADB automobile headlamp effectively avoids the vehicles running in the same direction and the vehicles running in opposite directions.
Further, in step S2, when the distance H Opposite direction e (h+ (n-1) x H1, h+n x H1) between the vehicle traveling in opposite direction and the vehicle carrying the superimposed ADB automotive headlamp, n=1 to 5, the dipped headlight module is turned on, the first n lateral high beam light source modules are turned on, and the remaining lateral high beam light source modules are turned off;
When the distance H Opposite direction between the vehicle running in opposite directions and the vehicle carrying the superimposed ADB automobile headlamp is less than or equal to H+ (n-1) x H1, the dipped headlight module is turned on, and all the lateral high beam light source modules are turned off.
Further, in step S2, when the distance H In the same direction between the vehicle traveling in the same direction and the vehicle carrying the superimposed ADB automotive headlamp is greater than h+nxh1, the dipped headlight module is turned on, and the direct projection high beam light source module is turned on;
When the distance H In the same direction between the vehicle running in opposite direction and the vehicle carrying the superimposed ADB automobile headlamp is less than or equal to H+N multiplied by H1, the dipped headlight module is turned on, and the direct projection high beam light source module is turned off.

Claims (7)

1. The superimposed ADB automobile headlamp is characterized by comprising a processor, a distance detection module and a light source module;
The light source module comprises a dipped headlight module, N lateral high beam light source modules and 1 direct projection high beam light source module;
The N lateral high beam light source modules project lateral high beam light spots to opposite lanes, and the direct projection high beam light source modules project the same-direction lanes and direct projection high beam light spots;
The processor controls the distance detection module to measure the distances between the forward vehicles running in the same direction and the vehicles running in opposite directions and the vehicles carrying the superimposed ADB automobile headlamps, so as to control the N groups of lateral high beam light source modules and the 1 groups of direct projection high beam light source modules to adopt different illumination modes for illumination;
The dipped headlight module projects dipped headlight facula, the maximum projection distance is H;
In the N side high beam light source modules, the distance interval H1 between each side high beam light source module and a vehicle carrying the superimposed ADB automobile headlamp is taken as a partition, N partitions are divided, the minimum projection distance of the nth side high beam light source module from the near to the far is H+ (N-1) x H1, the maximum projection distance is H+n x H1, n=1 to N, and N is more than or equal to 4.
2. The superimposed ADB automotive headlamp of claim 1 wherein the lateral high beam spot projected by the lateral high beam light source module has a width W = number of lanes projected x lane width.
3. The superimposed ADB automotive headlamp of claim 1 wherein the direct projection distance of the high beam light source module is h+nxh 1.
4. The superimposed ADB automotive headlamp of claim 1 wherein the distance detection module measures with LiDAR or millimeter wave radar.
5. The superimposed ADB automotive headlamp according to any one of claims 1 to 4, wherein when any one of the lateral high beam light source modules is turned on, the projected lateral high beam light spots are superimposed to obtain superimposed spots of the opposite lane, which are required to meet the LED headlamp standard for GB 25991-2010 automotive;
The direct projection high beam light spots projected by the direct projection high beam light source module are required to reach the standard of the LED head lamp for the GB 25991-2010 automobile.
6. A method of illuminating an automotive stacked ADB headlamp as defined in claim 1, comprising the steps of:
s1, starting a dipped headlight module, N lateral high beam light source modules and 1 direct projection high beam light source module;
S2, measuring distances between a vehicle running in the same direction in front and a vehicle running in opposite directions and a vehicle carrying the superimposed ADB automobile headlamp in real time by the detection module, and controlling N lateral high beam light source modules and direct projection high beam light source modules to be turned on and off by the processor according to the measured distances between the vehicle running in the same direction in front and the vehicle running in opposite directions and the vehicle carrying the superimposed ADB automobile headlamp, so that the superimposed ADB automobile headlamp effectively avoids the vehicle running in the same direction and the vehicle running in opposite directions; when the distance H Opposite direction E between the vehicle running in opposite direction and the vehicle carrying the superimposed ADB automobile headlamp is (H+ (N-1) multiplied by H1, H+n multiplied by H1), n=1-N, the dipped headlight modules are started, the front N lateral high beam light source modules are started, and the rest lateral high beam light source modules are closed;
When the distance H Opposite direction between the vehicle running in opposite directions and the vehicle carrying the superimposed ADB automobile headlamp is less than or equal to H+ (n-1) x H1, the dipped headlight module is turned on, and all the lateral high beam light source modules are turned off.
7. The illumination method according to claim 6, wherein in step S2, when the distance H In the same direction between the vehicle traveling in the same direction and the vehicle carrying the superimposed ADB automotive headlamp is greater than h+nxh1, the low beam light module is turned on, and the direct projection high beam light source module is turned on;
When the distance H In the same direction between the vehicle running in opposite direction and the vehicle carrying the superimposed ADB automobile headlamp is less than or equal to H+N multiplied by H1, the dipped headlight module is turned on, and the direct projection high beam light source module is turned off.
CN202210576354.5A 2022-05-25 2022-05-25 Superimposed ADB automobile headlamp and illumination method thereof Active CN115111560B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
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CN112319355A (en) * 2020-09-28 2021-02-05 马瑞利汽车零部件(芜湖)有限公司 ADB headlamp system and control method
CN114454807A (en) * 2020-11-10 2022-05-10 丰田自动车株式会社 Headlamp control device

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CN114454807A (en) * 2020-11-10 2022-05-10 丰田自动车株式会社 Headlamp control device

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