CN116923238B - Automobile headlamp adjusting method, device and system - Google Patents
Automobile headlamp adjusting method, device and system Download PDFInfo
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- CN116923238B CN116923238B CN202311207636.9A CN202311207636A CN116923238B CN 116923238 B CN116923238 B CN 116923238B CN 202311207636 A CN202311207636 A CN 202311207636A CN 116923238 B CN116923238 B CN 116923238B
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000003044 adaptive effect Effects 0.000 claims abstract description 100
- 230000003287 optical effect Effects 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 15
- 238000005286 illumination Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 12
- 206010039203 Road traffic accident Diseases 0.000 abstract description 5
- 238000004590 computer program Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/11—Linear movements of the vehicle
- B60Q2300/112—Vehicle speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- 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
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The application relates to the field of computers, in particular to a method, a device and a system for adjusting an automobile headlamp, wherein the method comprises the steps of obtaining a driving route and a current driving speed of an automobile, and determining the arrival position of the automobile at a lamplight adjusting time point according to the driving route and the current driving speed; acquiring position characteristics of an arrival position; determining an adaptive color temperature of the automobile at the reaching position according to the position characteristics, determining a corresponding adjusting mode according to the adaptive color temperature, and performing corresponding adjustment; repeating the steps every other set time length until the automobile runs to the destination; the application realizes the collection of the external environment condition of the position where the automobile is about to arrive, and can carry out real-time adaptive adjustment on the light source of the automobile headlamp according to the external environment condition, thereby ensuring that a driver can clearly see the road condition in the whole driving process and reducing the occurrence of traffic accidents.
Description
Technical Field
The present application relates to the field of computers, and in particular, to a method, an apparatus, and a system for adjusting an automotive headlamp.
Background
The head lamps are lighting devices arranged on two sides of the head of the automobile and used for driving the automobile in a low-light environment, and the lighting effect of the head lamps directly influences the operation and traffic safety of driving the automobile in the low-light environment, so that traffic management departments in all countries of the world generally prescribe the lighting standard of the head lamps in a legal form so as to ensure the driving safety.
The existing headlamp adjusting mode is mainly that a driver judges the illumination environment outside the vehicle by himself, and manually starts the headlamp and adjusts the light according to the illumination environment outside the vehicle, so that the driver is distracted, the light color of the headlamp is difficult to adjust to the current external environment, namely the accuracy of light color adjustment is not high, and the driver cannot see the driving road clearly to cause traffic accidents easily.
Therefore, the existing headlamp adjusting method has the problem of low adaptation degree of adjusting light colors and external environment.
Disclosure of Invention
Based on this, it is necessary to provide an automotive headlamp adjusting method, which includes:
s1: acquiring a driving route and a current driving speed of an automobile;
s2: determining the arrival position of the automobile at the light adjusting time point according to the current running speed;
s3: acquiring position features of an arrival position, wherein the position features comprise road features and weather features, and the weather features are weather features of a certain time point and a certain place;
s4: determining an adaptive color temperature of the automobile at the arrival position according to the position characteristics;
s5: determining the adaptive brightness and the adaptive blocked proportion of the corresponding headlamp light source according to the adaptive color temperature;
s6: when the automobile runs to the position, adjusting the brightness of a light source in the automobile headlamp to be adaptive to the brightness, and calling a driver to drive an optical filter arranged on the driver to shade the light source to be adaptive to the shade proportion, so that the light of the headlamp reaches the adaptive color temperature;
s7: determining a next light adjustment time point according to the preset light adjustment interval time length, determining the arrival position of the automobile at the next light adjustment time point according to the current running speed, and executing the steps S3 to S6 to enable the light of the headlamp to be adjusted to the corresponding adaptive color temperature when the automobile runs to the next arrival position, and repeating the steps until the automobile runs to a destination.
The embodiment of the application is realized in that the device for adjusting the head lamp of the automobile comprises:
the first acquisition module is used for acquiring a driving route and a current driving speed of the automobile;
the first processing module is used for determining the arrival position of the automobile at the light adjusting time point according to the current running speed;
the second acquisition module is used for acquiring position features of the arrival position, wherein the position features comprise road features and weather features, and the weather features are weather features of a certain time point and a certain place;
the second processing module is used for determining the adaptive color temperature of the automobile at the arrival position according to the position characteristics;
the third processing module is used for determining the adaptive brightness and the adaptive blocked proportion of the corresponding headlamp light source according to the adaptive color temperature;
the adjusting module is used for adjusting the brightness of the light source in the head lamp of the automobile to the adaptive brightness when the automobile runs to the reaching position, and calling the driver to drive the light filter arranged on the driver to shade the light source to the adaptive shaded proportion, so that the light of the head lamp reaches the adaptive color temperature;
and the repeated execution module is used for determining the next light adjustment time point according to the preset light adjustment interval time length, determining the arrival position of the automobile at the next light adjustment time point according to the current running speed, executing the steps S3 to S6 so as to adjust the light of the headlamp to the corresponding adaptive color temperature when the automobile runs to the next arrival position, and repeatedly executing the steps until the automobile runs to the destination.
In one embodiment, the present application provides an automotive headlamp adjustment system comprising:
the automobile headlamp is internally provided with a light adjusting component which is used for adjusting the light of the automobile headlamp;
and the computer equipment is connected with the light adjusting assembly and is used for executing the automobile headlamp adjusting method.
Preferably, the light adjusting assembly includes:
a mounting frame;
the first platform is arranged on the mounting frame, and at least one low beam light source is arranged on the first platform;
the second platform is arranged on the mounting frame, and a plurality of high beam light sources are arranged on the second platform;
the high beam guide column is arranged on the second platform and used for guiding the light emitted by the high beam light source;
the stepping motor is installed on the installation frame and connected with the computer equipment, and an optical filter is connected to the output end of the stepping motor and used for shielding the low beam light source.
Preferably, the light color of at least one of the high beam light sources is inconsistent with the light color of the other high beam light sources.
Preferably, the automotive headlamp further comprises:
the reflecting cup is arranged on the mounting frame and used for reflecting the lamplight generated by the light source according to the design direction;
the high-low beam switching electromagnetic valve is arranged on the mounting frame and connected with the computer equipment for switching the high beam and the low beam of the automobile headlamp;
and the optical lens is arranged on the mounting frame and used for amplifying and transmitting the lamplight generated by the light source so as to play a role in illumination.
The application provides an automobile headlamp adjusting method, which comprises the steps of obtaining a driving route and a current driving speed of an automobile; determining the arrival position of the automobile at the light adjusting time point according to the current running speed; acquiring position features of an arrival position, wherein the position features comprise road features and weather features, and the weather features are weather features of a certain time point and a certain place; determining the adaptive color temperature of the automobile at the reaching position according to the position characteristics, and determining the adaptive brightness and the adaptive blocked proportion of the corresponding headlamp light source according to the adaptive color temperature; when the automobile runs to the position, adjusting the brightness of a light source in the automobile headlamp to be adaptive to the brightness, and calling a driver to drive an optical filter arranged on the driver to shade the light source to be adaptive to the shade proportion, so that the light of the headlamp reaches the adaptive color temperature; determining a next light adjustment time point according to a preset light adjustment interval time length, determining an arrival position of the automobile at the next light adjustment time point according to the current running speed, executing the steps to enable the light of the headlamp to be adjusted to a corresponding adaptive color temperature when the automobile runs to the next arrival position, and repeatedly executing the steps until the automobile runs to a destination; according to the application, the collection of the external environment conditions of the position where the automobile is about to arrive is realized, the external conditions comprise road conditions and weather conditions, the real-time adaptive adjustment of the light source of the automobile headlamp can be carried out according to the conditions of the external environment, the adjustment can be carried out periodically according to the setting, the headlamp is not required to be manually adjusted by a driver in the whole driving process, the road conditions can be clearly seen by the driver in the whole driving process, and the traffic accident is reduced.
Drawings
FIG. 1 is a flow chart of a method of adjusting an automotive headlamp provided in one embodiment;
FIG. 2 is a block diagram of an automotive headlamp adjusting device in one embodiment;
FIG. 3 is a schematic diagram of an automotive headlamp adjustment system in one embodiment;
FIG. 4 is a perspective view of an automotive headlamp adjustment system according to one embodiment;
FIG. 5 is an internal block diagram of an automotive headlamp adjustment system in one embodiment;
FIG. 6 is a diagram of a light adjustment assembly of an automotive headlamp adjustment system in one embodiment;
FIG. 7 is a block diagram of the internal architecture of a computer device in one embodiment.
In the accompanying drawings: 1. a mounting frame; 2. a first platform; 21. a low beam light source; 3. a second platform; 31. a high beam light source; 4. a high beam guide post; 5. a stepping motor; 6. a light filter; 7. a reflective cup; 8. a far and near light switching electromagnetic valve; 9. an optical lens.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
It will be understood that the terms "first," "second," and the like, as used herein, may be used to describe various elements, but these elements are not limited by these terms unless otherwise specified. These terms are only used to distinguish one element from another element. For example, a first xx script may be referred to as a second xx script, and similarly, a second xx script may be referred to as a first xx script, without departing from the scope of this disclosure.
Fig. 1 is a diagram of an application environment of an xx method provided in one embodiment, as shown in fig. 1, in the application environment, including a terminal 110 and a computer device 120.
The computer device may be an independent physical server or terminal, or may be a server cluster formed by a plurality of physical servers, or may be a cloud server that provides basic cloud computing services such as a cloud server, a cloud database, cloud storage, and a CDN.
The terminal 110 may be, but is not limited to, a smart phone, a tablet computer, a notebook computer, a desktop computer, a smart speaker, a smart watch, etc. The terminal 110 and the computer device 120 may be connected through a network, and the present application is not limited herein.
As shown in fig. 1, in one embodiment, there is provided an automotive headlamp adjusting method, the method comprising:
s1: acquiring a driving route and a current driving speed of an automobile;
s2: determining the arrival position of the automobile at the light adjusting time point according to the current running speed;
s3: acquiring position features of an arrival position, wherein the position features comprise road features and weather features, and the weather features are weather features of a certain time point and a certain place;
s4: determining an adaptive color temperature of the automobile at the arrival position according to the position characteristics;
s5: determining the adaptive brightness and the adaptive blocked proportion of the corresponding headlamp light source according to the adaptive color temperature;
s6: when the automobile runs to the position, adjusting the brightness of a light source in the automobile headlamp to be adaptive to the brightness, and calling a driver to drive an optical filter arranged on the driver to shade the light source to be adaptive to the shade proportion, so that the light of the headlamp reaches the adaptive color temperature;
s7: determining a next light adjustment time point according to the preset light adjustment interval time length, determining the arrival position of the automobile at the next light adjustment time point according to the current running speed, and executing the steps S3 to S6 to enable the light of the headlamp to be adjusted to the corresponding adaptive color temperature when the automobile runs to the next arrival position, and repeating the steps until the automobile runs to a destination.
In this embodiment, the method is executed in a computer device, where the computer device may be an independent physical server or terminal, or may be a server cluster formed by multiple physical servers, or may be a cloud server that provides basic cloud computing services such as a cloud server, a cloud database, a cloud storage, a CDN, and the like; the computer equipment is connected with navigation equipment and positioning equipment in the automobile, so that the driving route of the automobile, the real-time driving speed and the automobile position can be obtained; the light adjustment interval time is set according to the adjustment precision of the user demand, the computer can determine the time point of the next light adjustment according to the light adjustment interval time, further the computer equipment can calculate the residual time of the current time point from the next light adjustment time point, and the distance of the automobile which can travel in the residual time can be calculated according to the current automobile travel speed and the residual time, so that the arrival position of the automobile at the next light adjustment time point can be obtained; then, road characteristics and weather characteristics of the arrival position are obtained, wherein the road characteristics comprise the shading degree of a road, whether the road is positioned in a tunnel or not and the like, and the weather characteristics are weather conditions of the arrival position at the next light adjusting time point, such as sunny days, cloudy days, foggy days and the like; the computer determines the adaptive color temperature of the automobile at the reaching position according to the position characteristics, the adaptive color temperature can enable a driver to clearly illuminate the road under the corresponding environment, each color temperature is obtained by adjusting the light sources in the head lamps to be matched with each other, and therefore the computer equipment adaptively adjusts the light sources in the head lamps through the obtained adaptive color temperature so that the light emitted by the head lamps of the automobile presents the adaptive color temperature; then, the light of the next round is adjusted according to the light adjustment interval time until the automobile reaches the end point; the setting of the light adjustment interval duration in this embodiment may be long or short, and when the light adjustment interval duration is set to be very short (for example, 5 seconds, 10 seconds), the effect of real-time adjustment and control of the color temperature of the automobile front light can be achieved.
In the application, the automobile running in the external environment with weak light rays not only needs to turn on the automobile head lamp, but also needs to adjust the color temperature of the head lamp to adapt to the current environment, so that a driver can clearly observe road conditions when driving; the application realizes the collection of the external environment conditions of the position where the automobile is about to arrive, wherein the external conditions comprise road conditions and weather conditions, the light source of the automobile headlamp can be adaptively adjusted in real time according to the conditions of the external environment, and the adjustment can be periodically carried out according to the setting, so that a driver does not need to manually adjust the headlamp in the whole driving process, the driver can clearly see the road conditions in the whole driving process, and the occurrence of traffic accidents is reduced.
As a preferred embodiment of the present application, geographical information of the arrival location is obtained from a map database to obtain road characteristics; or obtaining road characteristics by acquiring a monitoring image of the arrival position;
obtaining weather characteristics by acquiring weather information of a region corresponding to the arrival position; or obtaining the weather feature by acquiring the monitoring image of the arrival position.
In this embodiment, the map database refers to a database system for storing and managing geographic information data, including geographic information of each geographic location, and the map database may be an OpenStreetMap, google Maps API or other types of map databases, which are not limited herein; the weather information can be obtained from the national weather office or the local weather office network or imported from weather software; the monitoring image can be imported from a server of a traffic data provider, and the computer equipment carries out image recognition on the imported monitoring image so as to obtain related information required to be acquired in the image; the application can acquire the position characteristics of the arrival position in various modes, further can ensure that the computer equipment accurately judges the environmental condition of the arrival position, and further ensures the accuracy of headlamp adjustment.
As a preferred embodiment of the present application, the determining the adapted color temperature of the vehicle at the arrival location according to the location feature includes:
obtaining a reference color temperature, wherein the reference color temperature is an adaptive color temperature of lamplight of an automobile headlamp when the lamplight is in a preset reference position characteristic;
comparing the position features with the reference position features to obtain a plurality of distinguishing features;
determining the influence value of each distinguishing feature on the reference color temperature when the color temperature is regulated according to a preset distinguishing feature influence relation table, wherein the influence relation table records various types of distinguishing features and the influence value of each distinguishing feature on the reference color temperature, and the influence value is an increasing value or a decreasing value on the reference color temperature;
accumulating the influence values corresponding to the distinguishing features to obtain a total influence value;
the reference color temperature is added to the total influence value to obtain an adapted color temperature.
In this embodiment, for example, the preset reference position features are 'midnight zero point, sunny day, non-tunnel road section, no tree shadow', the reference color temperature is 3000K, the acquired position features are 'midnight zero point, foggy day, non-tunnel road section, tree shadow', the distinguishing features are 'foggy day, tree shadow', the influence value corresponding to the distinguishing feature 'foggy day' is 1500K, the influence value corresponding to the 'tree shadow' is-500K, the total influence value is 1000K, and the adaptive color temperature is 4000K; according to the application, the influence factors of the corresponding color temperatures are refined, and the influence degree of each influence factor on the color temperature is accumulated correspondingly to obtain the total influence degree, so that the whole process of obtaining the adaptive color temperature can be quantized, and the calculation accuracy of the adaptive color temperature can be obviously improved.
As a preferred embodiment of the application, a plurality of high beam light sources with inconsistent light colors and at least one low beam light source are arranged in the automobile headlamp, a light filter is arranged in front of each low beam light source, the light filter is connected with a driver arranged in the automobile headlamp, and the driver is a stepping motor; the high beam of the automobile headlamp is the mixed light of the lights emitted by all the high beam light sources, and the low beam of the automobile headlamp is the light emitted by the low beam light sources; the determining the adaptive brightness and the adaptive blocked proportion of the corresponding headlamp light source according to the adaptive color temperature comprises the following steps:
and determining the adaptive brightness of each high beam light source and the adaptive blocked proportion of each low beam light source corresponding to the adaptive color temperature according to a preset illumination matching relation table, wherein the illumination matching relation table records each color temperature and the brightness of each high beam light source and the blocked proportion of each low beam light source corresponding to each color temperature, which can obtain the color temperature.
The brightness of the light source in the automobile headlamp is adjusted to be the adaptive brightness corresponding to the brightness of each high beam light source;
the method comprises the steps that the calling drivers drive the light filters arranged on the drivers to shade the light sources until the adapting shielded proportion is the adapting shielded proportion that each driver drives the corresponding light filter to shade the corresponding low beam light source to the low beam light source.
In this embodiment, the filter is an optical element for selectively transmitting or blocking light of a specific wavelength or frequency, which can change the color, brightness or transmittance of the low beam light source light to change the color temperature of the low beam light source light, and the color temperature of the low beam light source light is adjusted according to the difference of the shielding degree of the filter to the low beam light source; furthermore, mixed high beams with different color temperatures different from those of each high beam light source can be obtained after the light of the high beams with different colors is mixed, and the brightness of any high beam light source can be further adjusted to realize the adjustment of the mixed high beams; for example, the high beam light source D1 is white light, the high beam light source D2 is Huang Jinguang, the low beam light source D3 is white light, the adaptive color temperature is 4500K, the luminance of D1 and D2 is 50% of the total luminance, the blocked proportion of D3 is 50%, the luminance of D1 and D2 is respectively adjusted to 50% of the total luminance, so that the high beam of the automotive headlamp reaches 4500K, and the stepper motor is driven to block D3 by 50%, so that the low beam of the automotive headlamp reaches 4500K, and the external environment of the reaching position can be adapted no matter whether the color temperature of the headlamp is adjusted to the high beam or the low beam at the reaching position.
As shown in fig. 2, in one embodiment, there is provided an automotive headlamp adjusting device, the device comprising:
the first acquisition module is used for acquiring a driving route and a current driving speed of the automobile;
the first processing module is used for determining the arrival position of the automobile at the light adjusting time point according to the current running speed;
the second acquisition module is used for acquiring position features of the arrival position, wherein the position features comprise road features and weather features, and the weather features are weather features of a certain time point and a certain place;
the second processing module is used for determining the adaptive color temperature of the automobile at the arrival position according to the position characteristics;
the third processing module is used for determining the adaptive brightness and the adaptive blocked proportion of the corresponding headlamp light source according to the adaptive color temperature;
the adjusting module is used for adjusting the brightness of the light source in the head lamp of the automobile to the adaptive brightness when the automobile runs to the reaching position, and calling the driver to drive the light filter arranged on the driver to shade the light source to the adaptive shaded proportion, so that the light of the head lamp reaches the adaptive color temperature;
and the repeated execution module is used for determining the next light adjustment time point according to the preset light adjustment interval time length, determining the arrival position of the automobile at the next light adjustment time point according to the current running speed, executing the steps S3 to S6 so as to adjust the light of the headlamp to the corresponding adaptive color temperature when the automobile runs to the next arrival position, and repeatedly executing the steps until the automobile runs to the destination.
In the present application, the process of implementing the respective functions of each module may refer to the foregoing description of the embodiment shown in fig. 1, which is not repeated herein.
As shown in fig. 3, in one embodiment, there is provided an automotive headlamp adjustment system comprising:
the automobile headlamp is internally provided with a light adjusting component which is used for adjusting the light of the automobile headlamp;
and the computer equipment is connected with the light adjusting assembly and is used for executing the automobile headlamp adjusting method.
In the application, the computer equipment controls the light adjusting component in the head lamp to adjust the color temperature of the light emitted by the head lamp in the running process of the automobile in the low-light environment, the application realizes the collection of the external environment conditions of the position where the automobile is about to arrive, the external conditions comprise road conditions and weather conditions, the light source of the head lamp of the automobile can be adjusted in real time in a adaptability manner according to the external environment conditions, the adjustment can be performed periodically according to the setting, the head lamp is not required to be adjusted manually by a driver in the whole driving process, the road conditions can be clearly seen by the driver in the whole driving process, and the occurrence of traffic accidents is reduced.
As shown in fig. 4-6, as a preferred embodiment, the light adjusting assembly includes:
a mounting frame 1;
a first platform 2 mounted on the mounting frame 1, at least one low beam light source 21 being mounted on the first platform 2;
the second platform 3 is arranged on the mounting frame 1, and a plurality of high beam light sources 31 are arranged on the second platform 3;
the high beam guiding column 4 is arranged on the second platform 3 and is used for guiding the light emitted by the high beam light source 31;
the stepping motor 5 is arranged on the mounting frame 1 and is connected with computer equipment, and an optical filter 6 is connected to the output end of the stepping motor 5 and used for shielding the low beam light source 21.
At least one of the high beam light sources 31 has a light color that is inconsistent with the light color of the other high beam light sources 31;
the automotive headlamp further comprises:
the reflecting cup 7 is arranged on the mounting frame 1 and is used for reflecting the lamplight generated by the light source according to the design direction;
a high-low beam switching electromagnetic valve 8 which is arranged on the mounting frame 1 and is connected with computer equipment for switching the high beam and the low beam of the automobile headlamp;
and an optical lens which is arranged on the mounting frame 1 and is used for amplifying and transmitting the lamplight generated by the light source so as to play a role in illumination.
In this embodiment, the low beam light source 21 and the high beam light source 31 are LED modules, the light of the low beam light source 21 is circumferentially diffused after being lighted, and is converged into a beam of light after being reflected by the reflector cup 7, namely, the low beam light, when the computer device drives the stepper motor 5 to move the optical filter 6 to partially shield the low beam light source 21, part of the light scattered from the low beam light source is the original light of the light source, and part of the light is the light after the light passes through the optical filter 6, so that the color temperature of the low beam light obtained by converging the light emitted by the reflector cup 7 is changed compared with that of the original light, and the shielding proportion of the stepper motor 5 to the optical filter 6 is driven to further adjust the color temperature of the low beam light; after each far-reaching light source 31 is lightened, the light is guided to the reflecting cup 7 through the far-reaching guide post 4 and then reflected to form a beam of light source, namely, the far-reaching light, and the color temperature of the far-reaching light source 31 is different from that of a single far-reaching light source 31 because the light colors of the far-reaching light sources 31 are inconsistent, and further, the brightness of each far-reaching light source 31 is respectively adjusted to adjust the color temperature of the far-reaching light; furthermore, the far and near light switching solenoid valve 8 is controlled by the computer equipment to switch the released light beam (far light or near light), and finally the released light beam is amplified and transmitted through the optical lens to illuminate the lane; the first platform and the second platform are not in the same plane, so that the two light sources work independently, the light of the two light sources is not mutually influenced, the mutual interweaving of the light of the two light sources is avoided, the influence on the formation of the low beam and the high beam output by the headlamp is avoided, and the illumination effect is ensured.
FIG. 7 illustrates an internal block diagram of a computer device in one embodiment. As shown in fig. 7, the computer device includes a processor, a memory, a network interface, an input device, and a display screen connected by a system bus. The memory includes a nonvolatile storage medium and an internal memory. The non-volatile storage medium of the computer device stores an operating system and may also store a computer program, where the computer program when executed by the processor may cause the processor to implement the method for adjusting an automotive headlamp provided by the embodiment of the present application. The internal memory may also store a computer program, which when executed by the processor, causes the processor to execute the method for adjusting the automotive headlamp provided by the embodiment of the application. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, the input device of the computer equipment can be a touch layer covered on the display screen, can also be keys, a track ball or a touch pad arranged on the shell of the computer equipment, and can also be an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by those skilled in the art that the structure shown in FIG. 7 is merely a block diagram of some of the structures associated with the present inventive arrangements and is not limiting of the computer device to which the present inventive arrangements may be applied, and that a particular computer device may include more or fewer components than shown, or may combine some of the components, or have a different arrangement of components.
In one embodiment, the automotive headlamp adjusting device provided by the embodiment of the application can be implemented in the form of a computer program, and the computer program can run on a computer device as shown in fig. 7. The memory of the computer device may store various program modules constituting the headlamp adjusting device of the automobile, such as a first acquisition module, a first processing module, a second acquisition module, a second processing module, a third processing module, an adjusting module, and a repeating execution module shown in fig. 2. The computer program constituted by the respective program modules causes the processor to execute the steps in the automotive headlamp adjusting method of the respective embodiments of the present application described in the present specification.
For example, the computer device shown in fig. 7 may execute step S1 by the first acquisition module in the automotive headlamp adjusting device shown in fig. 2; the computer equipment can execute the step S2 through the first processing module; the computer equipment can execute the step S3 through the second acquisition module; the computer equipment can execute the step S4 through the second processing module; the computer equipment can execute the step S5 through the third processing module; the computer equipment can execute the step S5 through the adjusting module; the computer device may execute step S6 by repeating the execution module.
In one embodiment, a computer device is presented, the computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
s1: acquiring a driving route and a current driving speed of an automobile;
s2: determining the arrival position of the automobile at the light adjusting time point according to the current running speed;
s3: acquiring position characteristics of an arrival position;
s4: determining an adaptive color temperature of the automobile at the arrival position according to the position characteristics;
s5: determining the adaptive brightness and the adaptive blocked proportion of the corresponding headlamp light source according to the adaptive color temperature;
s6: when the automobile runs to the position, adjusting the brightness of a light source in the automobile headlamp to be adaptive to the brightness, and calling a driver to drive an optical filter arranged on the driver to shade the light source to be adaptive to the shade proportion, so that the light of the headlamp reaches the adaptive color temperature;
s7: determining a next light adjustment time point according to the preset light adjustment interval time length, determining the arrival position of the automobile at the next light adjustment time point according to the current running speed, and executing the steps S3 to S6 to enable the light of the headlamp to be adjusted to the corresponding adaptive color temperature when the automobile runs to the next arrival position, and repeating the steps until the automobile runs to a destination.
In one embodiment, a computer readable storage medium is provided, having a computer program stored thereon, which when executed by a processor causes the processor to perform the steps of:
s1: acquiring a driving route and a current driving speed of an automobile;
s2: determining the arrival position of the automobile at the light adjusting time point according to the current running speed;
s3: acquiring position characteristics of an arrival position;
s4: determining an adaptive color temperature of the automobile at the arrival position according to the position characteristics;
s5: determining the adaptive brightness and the adaptive blocked proportion of the corresponding headlamp light source according to the adaptive color temperature;
s6: when the automobile runs to the position, adjusting the brightness of a light source in the automobile headlamp to be adaptive to the brightness, and calling a driver to drive an optical filter arranged on the driver to shade the light source to be adaptive to the shade proportion, so that the light of the headlamp reaches the adaptive color temperature;
s7: determining a next light adjustment time point according to the preset light adjustment interval time length, determining the arrival position of the automobile at the next light adjustment time point according to the current running speed, and executing the steps S3 to S6 to enable the light of the headlamp to be adjusted to the corresponding adaptive color temperature when the automobile runs to the next arrival position, and repeating the steps until the automobile runs to a destination.
It should be understood that, although the steps in the flowcharts of the embodiments of the present application are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in various embodiments may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, nor do the order in which the sub-steps or stages are performed necessarily performed in sequence, but may be performed alternately or alternately with at least a portion of the sub-steps or stages of other steps or other steps.
Those skilled in the art will appreciate that all or part of the processes in the methods of the above embodiments may be implemented by a computer program for instructing relevant hardware, where the program may be stored in a non-volatile computer readable storage medium, and where the program, when executed, may include processes in the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application.
Claims (9)
1. A method of adjusting an automotive headlamp, the method comprising:
s1: acquiring a driving route and a current driving speed of an automobile;
s2: determining the arrival position of the automobile at the light adjusting time point according to the current running speed;
s3: acquiring position features of an arrival position, wherein the position features comprise road features and weather features, and the weather features are weather features of a certain time point and a certain place;
s4: determining an adaptive color temperature of the automobile at the arrival position according to the position characteristics;
s5: determining the adaptive brightness and the adaptive blocked proportion of the corresponding headlamp light source according to the adaptive color temperature;
s6: when the automobile runs to the position, adjusting the brightness of a light source in the automobile headlamp to be adaptive to the brightness, and calling a driver to drive an optical filter arranged on the driver to shade the light source to be adaptive to the shade proportion, so that the light of the headlamp reaches the adaptive color temperature;
s7: determining a next light adjustment time point according to a preset light adjustment interval time length, determining an arrival position of the automobile at the next light adjustment time point according to the current running speed, executing the steps S3 to S6 to enable the light of the headlamp to be adjusted to a corresponding adaptive color temperature when the automobile runs to the next arrival position, and repeatedly executing the steps until the automobile runs to a destination;
the determining the adaptive color temperature of the automobile at the arrival position according to the position characteristics comprises the following steps:
obtaining a reference color temperature, wherein the reference color temperature is an adaptive color temperature of lamplight of an automobile headlamp when the lamplight is in a preset reference position characteristic;
comparing the position features with the reference position features to obtain a plurality of distinguishing features;
determining the influence value of each distinguishing feature on the reference color temperature when the color temperature is regulated according to a preset distinguishing feature influence relation table, wherein the influence relation table records various types of distinguishing features and the influence value of each distinguishing feature on the reference color temperature, and the influence value is an increasing value or a decreasing value on the reference color temperature;
accumulating the influence values corresponding to the distinguishing features to obtain a total influence value;
the reference color temperature is added to the total influence value to obtain an adapted color temperature.
2. The method of claim 1, wherein the geographical information of the arrival location is obtained from a map database to obtain the road characteristics; or obtaining road characteristics by acquiring a monitoring image of the arrival position;
obtaining weather characteristics by acquiring weather information of a region corresponding to the arrival position; or obtaining the weather feature by acquiring the monitoring image of the arrival position.
3. The method according to claim 1, wherein a plurality of high beam light sources with inconsistent light colors and at least one low beam light source are arranged in the automobile headlamp, a light filter is arranged in front of each low beam light source, the light filter is connected with a driver arranged in the automobile headlamp, and the driver is a stepping motor; the high beam of the automobile headlamp is the mixed light of the lights emitted by all the high beam light sources, and the low beam of the automobile headlamp is the light emitted by the low beam light sources; the determining the adaptive brightness and the adaptive blocked proportion of the corresponding headlamp light source according to the adaptive color temperature comprises the following steps:
and determining the adaptive brightness of each high beam light source and the adaptive blocked proportion of each low beam light source corresponding to the adaptive color temperature according to a preset illumination matching relation table, wherein the illumination matching relation table records each color temperature and the brightness of each high beam light source and the blocked proportion of each low beam light source corresponding to each color temperature, which can obtain the color temperature.
4. A method according to claim 3, wherein adjusting the brightness of the light sources in the automotive headlamp to the adapted brightness is adjusting the brightness of each high beam light source to the adapted brightness corresponding to the light source;
the method comprises the steps that the calling drivers drive the light filters arranged on the drivers to shade the light sources until the adapting shielded proportion is the adapting shielded proportion that each driver drives the corresponding light filter to shade the corresponding low beam light source to the low beam light source.
5. An automotive headlamp adjusting device, characterized in that each module in the automotive headlamp adjusting device is adapted to perform each step in claim 1; the automobile headlamp adjusting device includes:
the first acquisition module is used for acquiring a driving route and a current driving speed of the automobile;
the first processing module is used for determining the arrival position of the automobile at the light adjusting time point according to the current running speed;
the second acquisition module is used for acquiring position features of the arrival position, wherein the position features comprise road features and weather features, and the weather features are weather features of a certain time point and a certain place;
the second processing module is used for determining the adaptive color temperature of the automobile at the arrival position according to the position characteristics;
the third processing module is used for determining the adaptive brightness and the adaptive blocked proportion of the corresponding headlamp light source according to the adaptive color temperature;
the adjusting module is used for adjusting the brightness of the light source in the head lamp of the automobile to the adaptive brightness when the automobile runs to the reaching position, and calling the driver to drive the light filter arranged on the driver to shade the light source to the adaptive shaded proportion, so that the light of the head lamp reaches the adaptive color temperature;
and the repeated execution module is used for determining the next light adjustment time point according to the preset light adjustment interval time length, determining the arrival position of the automobile at the next light adjustment time point according to the current running speed, executing the steps S3 to S6 so as to adjust the light of the headlamp to the corresponding adaptive color temperature when the automobile runs to the next arrival position, and repeatedly executing the steps until the automobile runs to the destination.
6. An automotive headlamp adjustment system, comprising:
the automobile headlamp is internally provided with a light adjusting component which is used for adjusting the light of the automobile headlamp;
computer device, connected to the light-adjusting assembly, for performing the method for adjusting a motor vehicle headlight according to any one of the claims 1 to 4.
7. The system of claim 6, wherein the light adjustment assembly comprises:
a mounting frame;
the first platform is arranged on the mounting frame, and at least one low beam light source is arranged on the first platform;
the second platform is arranged on the mounting frame, and a plurality of high beam light sources are arranged on the second platform;
the high beam guide column is arranged on the second platform and used for guiding the light emitted by the high beam light source;
the stepping motor is installed on the installation frame and connected with the computer equipment, and an optical filter is connected to the output end of the stepping motor and used for shielding the low beam light source.
8. The system of claim 7 wherein the light color of at least one of the high beam light sources is inconsistent with the light color of the other high beam light sources.
9. The system of claim 7, wherein the automotive headlamp further comprises:
the reflecting cup is arranged on the mounting frame and used for reflecting the lamplight generated by the light source according to the design direction;
the high-low beam switching electromagnetic valve is arranged on the mounting frame and connected with the computer equipment for switching the high beam and the low beam of the automobile headlamp;
and the optical lens is arranged on the mounting frame and used for amplifying and transmitting the lamplight generated by the light source so as to play a role in illumination.
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| CN202311207636.9A CN116923238B (en) | 2023-09-19 | 2023-09-19 | Automobile headlamp adjusting method, device and system |
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| CN202311207636.9A CN116923238B (en) | 2023-09-19 | 2023-09-19 | Automobile headlamp adjusting method, device and system |
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| CN113386656A (en) * | 2021-07-23 | 2021-09-14 | 中山易事达光电科技有限公司 | Intelligent control car lamp system and control method thereof |
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| JP2018063863A (en) * | 2016-10-13 | 2018-04-19 | 株式会社ジャパンディスプレイ | Illumination device and display device |
| CN207389035U (en) * | 2017-10-31 | 2018-05-22 | 武汉理工大学 | A kind of automobile light control system based on time and position |
| CN112776706A (en) * | 2020-12-24 | 2021-05-11 | 广州小鹏自动驾驶科技有限公司 | Vehicle headlamp control method and device |
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