CN112128706A - Intelligent headlamp of automobile - Google Patents
Intelligent headlamp of automobile Download PDFInfo
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- CN112128706A CN112128706A CN202011072113.4A CN202011072113A CN112128706A CN 112128706 A CN112128706 A CN 112128706A CN 202011072113 A CN202011072113 A CN 202011072113A CN 112128706 A CN112128706 A CN 112128706A
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- 230000003287 optical effect Effects 0.000 claims abstract description 15
- 230000007613 environmental effect Effects 0.000 claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 206010039203 Road traffic accident Diseases 0.000 abstract description 7
- 238000005286 illumination Methods 0.000 abstract description 6
- 206010063385 Intellectualisation Diseases 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 5
- 230000035515 penetration Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 229910052724 xenon Inorganic materials 0.000 description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000034994 death Effects 0.000 description 2
- 231100000517 death Toxicity 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Images
Classifications
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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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
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- 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
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- 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
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- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
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- 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
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- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to the field of automobile illumination, in particular to an intelligent automobile headlamp, which comprises a signal acquisition module, a light source control module and an optical processing module, wherein the signal acquisition module is used for acquiring a signal; the signal acquisition module acquires environment information transmitted from the outside and transmits the environment information to the light source control module; the light source control module controls the light source module according to the environmental information acquired by the signal acquisition module; the optical processing module is used for carrying out optical processing on the light emitted by the light source module. The intelligent control system can intelligently control the brightness of the light source according to external environment information, realizes the intellectualization of the car lamp, improves the utilization rate of light energy, reduces the occurrence of traffic accidents and enhances the experience of users.
Description
Technical Field
The invention relates to the field of automobile illumination, in particular to an intelligent automobile headlamp.
Background
With the advancement of technology, drivers have more expectations on the performance of automotive headlamps. The automobile headlamp is a lamp which can normally run in a dark room. Because it is installed at both ends of the car, it affects not only the appearance of the car but also the driving safety during night driving or severe weather conditions. According to analysis, the main characteristic of the road traffic accidents is that the proportion of the road traffic accidents at night is obviously increased and accounts for more than 40 percent of the total number of the road traffic accidents. The head lamp becomes a key part influencing the driving safety of the automobile in the dark. According to statistics, night death caused by poor eyesight during night driving accounts for more than 70% of the whole road traffic accidents, and the number of accident deaths accounts for more than half.
Automobile headlamps have undergone the development stages of kerosene lamps, acetylene lamps, and electric light source lamps. At present, the main light sources of the automobile headlamp mainly comprise a halogen lamp, a xenon lamp and an LED. The halogen lamp emits light with yellow color, and has the greatest defects that the brightness is low because the filament is used for emitting light, a delay time exists when the xenon headlamp is started, a strong current can be generated at the starting moment to impact an electrode, the xenon headlamp is brighter than the halogen headlamp, but is more easily polluted by light, and the penetration capability in rainy days is poor. Compared with the traditional halogen headlamp and xenon headlamp, the LED headlamp has the advantages of small size, long service life, high reliability, strong stability and short starting time.
With the development of artificial intelligence technology, people also put forward higher requirements on car lights, and under the great trend of car intellectualization, light technologies with rich functions, more intelligence and energy conservation are produced at the same time and play more and more important roles in car interaction.
At present, some high-end automobiles carry intelligent headlamps, and the intelligent headlamps can meet personalized and customized requirements. However, the existing intelligent headlamp generally adopts a DMD or a liquid crystal to perform spatial light modulation to realize the formation of light patterns, and the light patterns are dark through blocking certain light to realize local areas, so that the lamp is expensive in price and low in optical efficiency, and when the blocked light is irradiated on a fixing piece, the heat dissipation problem is difficult to solve.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides the intelligent automobile headlamp, which can intelligently control the brightness of a light source according to external environment information, realize the intellectualization of an automobile lamp, improve the utilization rate of light energy, reduce the occurrence of traffic accidents and enhance the experience of users.
The technical scheme for solving the problems is as follows: the intelligent headlamp of the automobile is characterized in that:
the device comprises a signal acquisition module, a light source control module and an optical processing module;
the signal acquisition module acquires environment information transmitted from the outside and transmits the environment information to the light source control module; the light source control module controls the light source module according to the environmental information acquired by the signal acquisition module; the optical processing module is used for carrying out optical processing on the light emitted by the light source module.
Further, the light source module includes a plurality of light emitting devices, and the plurality of light emitting devices are arrayed. In the invention, the light emitting device can be an LED, a miniLED or a micro LED.
Further, the light source control module controls the light source module according to the environment information acquired by the signal acquisition module, wherein the control of the light source module comprises the adjustment of the brightness of light emitted by the light source module, so that the light and shade control of the car light in the urban downtown area is realized.
Further, the controlling of the light source module further includes adjusting the gray scale of the light emitted by the light source module to form an intelligent adaptation to the driving environment.
Further, the control of the light source module further includes adjusting a color temperature of light emitted by the light source module to improve a penetration capability of the vehicle lamp in extreme weather.
Further, the optical processing module comprises a TIR lens array, a Fresnel lens array and a free-form surface lens.
Further, each light emitting device corresponds to a TIR lens, and the TIR lens is mainly used for shaping and condensing light emitted by the light emitting device.
Furthermore, each light emitting device corresponds to a fresnel lens, and the fresnel lens is mainly used for carrying out secondary condensation on light emitted by the light emitting device.
Further, the center of each of the above-mentioned light emitting devices coincides with the center of the fresnel lens.
Furthermore, the free-form surface of the free-form surface lens is designed into various shapes according to actual requirements, and is mainly used for amplifying the light type of light emitted by the light emitting device and correcting phase difference distortion.
Further, the LED lamp also comprises a heat dissipation module, wherein the heat dissipation module is positioned on the back of the light emitting device and used for dissipating heat of the light emitting device and ensuring normal work of the light emitting device.
The invention has the advantages that:
1) according to the intelligent headlamp for the automobile, the light source control module obtains different light distributions by controlling the on and off of each light-emitting device, the color temperature of each light-emitting device is controlled to improve the penetrating power of extreme weather, the gray scale of each light-emitting device is controlled to form intelligent adaptation of a driving environment, the occurrence of traffic accidents is reduced, and the user experience is enhanced;
2) in the invention, a light source forms a converged light beam through a TIR lens, light rays are uniformly distributed and then pass through a Fresnel lens to form parallel light, each light-emitting device forms a beam of independent parallel light without crosstalk, the parallel light beam passes through a free-form surface lens, and the free-form surface lens amplifies and corrects phase difference distortion of light spots so as to obtain the required light spots of each area which are independent from each other;
3) according to the invention, a signal acquisition module acquires environment information transmitted from the outside and transmits the environment information to a light source control module, and the light source control module mainly controls the on and off of each LED light source according to the information acquired and processed by the signal acquisition module, so that the brightness of a certain area on a detection screen is controlled, and the intelligent illumination of an automobile headlamp is realized;
4) in the invention, the radiator is positioned on the back surface of the LED and used for radiating the heat of the LED to ensure the normal work of the LED;
5) the intelligent headlamp for the automobile has the characteristics of simple structure and light weight.
Drawings
FIG. 1 is a schematic structural diagram of an intelligent headlamp of an automobile according to the present invention.
The system comprises a signal acquisition module, a signal acquisition module and a signal processing module, wherein the signal acquisition module is used for acquiring signals; 2. a light source control module; 3. a light source module; 4. a TIR lens array; 5. a Fresnel lens array; 6. a free-form surface lens.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Referring to fig. 1, an intelligent headlamp for an automobile comprises a signal acquisition module 1, a light source control module 2, a light source module 3 and an optical processing module, wherein the signal acquisition module 1 acquires environment information transmitted from the outside and transmits the environment information to the light source control module 2; the light source control module 2 controls the light source module 3 according to the environmental information acquired by the signal acquisition module 1; the optical processing module is used for optically processing the light emitted by the light source module 3. The environment information transmitted from the outside comprises road information such as weather conditions, oncoming vehicles, co-directional meeting vehicles, obstacles, pedestrian detection and the like.
In the present invention, the light source module 3 includes a plurality of light emitting devices, and the plurality of light emitting devices are arrayed. The light emitting device can be a light emitting body such as an LED, a miniLED or a micro LED.
In the invention, the light source control module 2 controls the light source module 3 according to the environment information acquired by the signal acquisition module 1, wherein the control of the light source module 3 comprises the regulation of the brightness of the light emitted by the light source module 3 so as to realize the brightness regulation and control of the car lamp in the urban downtown area, and when the brightness of the external environment is higher, the brightness of the light emitted by the light source module 3 is reduced; when the external environment brightness is low, the brightness of the light emitted from the light source module 3 is increased.
In the present invention, the controlling of the light source module 3 further includes adjusting the gray level of the light emitted from the light source module 3 to form an intelligent adaptation to the driving environment. When the external environment meets extreme weather or runs on a highway, the gray scale of the light emitted by the light source module 3 is increased, and when the external environment runs on an urban road, the gray scale of the light emitted by the light source module 3 is decreased.
In the present invention, the controlling of the light source module 3 further includes adjusting a color temperature of light emitted from the light source module 3 to improve a penetration capability of the vehicle lamp in extreme weather (e.g., heavy fog, rainy day, etc.).
As a preferred embodiment of the present invention, the optical processing module includes a TIR lens array 4, a fresnel lens array 5 and a free-form lens 6. Each light-emitting device corresponds to one TIR lens, and the TIR lens is used for shaping and condensing light emitted by the light-emitting devices. Each light-emitting device corresponds to one Fresnel lens, the Fresnel lens is used for carrying out secondary condensation on light emitted by the light-emitting devices, and the center of each light-emitting device is overlapped with the center of the Fresnel lens. The free-form surface lens 6 is mainly used for amplifying the light type of light emitted by the light emitting device and correcting phase difference distortion.
As a preferred embodiment of the present invention, the present invention further includes a heat dissipation module, which is located on the back surface of the light emitting device and used for dissipating heat from the light emitting device to ensure the normal operation of the light emitting device.
Example 1:
the light emitting devices in the light source module 3 adopt LED light sources, the light sources are arranged in a certain combination, the light source control module 2 obtains different light distributions by controlling the opening and closing of the LEDs, and the radiator is positioned on the back of the LEDs and used for radiating the LEDs to ensure the normal work of the LEDs. The LED light source forms converged light beams through the TIR lens, light rays are uniformly distributed and then pass through the Fresnel lens to form parallel light, each LED forms a beam of independent and crosstalk-free parallel light, the parallel light beams pass through the free-form surface lens, and the free-form surface lens amplifies and corrects phase difference distortion of light spots so as to obtain the required light spots of each area which are mutually independent. The signal acquisition module 1 acquires environment information transmitted from the outside and transmits the environment information to the light source control module 2, the light source control module 2 mainly controls the brightness, the gray scale and the color temperature of each LED light source according to the information acquired and processed by the signal acquisition module 1, wherein the color temperature of each LED is controlled to improve the penetrating power of extreme weather, the gray scale of each LED is controlled to form intelligent adaptation of a driving environment, the brightness of each LED is controlled to realize the regulation and control of the brightness of a city downtown area, and therefore intelligent illumination of automobile headlamps is realized.
Example 2:
the light emitting devices in the light source module 3 adopt micro LED light sources, the light sources are arranged in a certain combination, the light source control module obtains different light distributions by controlling the opening and closing of the LEDs, and the radiator is positioned on the back of the LEDs and used for radiating the LEDs to ensure the normal work of the LEDs. The LED light source forms converged light beams through the TIR lens, light rays are uniformly distributed and then pass through the Fresnel lens to form parallel light, each LED forms a beam of independent and crosstalk-free parallel light, the parallel light beams pass through the free-form surface lens, and the free-form surface lens amplifies and corrects phase difference distortion of light spots so as to obtain the required light spots of each area which are mutually independent. The signal acquisition module 1 acquires environment information transmitted from the outside and transmits the environment information to the light source control module 2, and the light source control module 2 mainly controls the brightness, the gray scale and the color temperature of each LED light source according to the information acquired and processed by the signal acquisition module 1. The color temperature of each LED is controlled to improve the penetration capacity of extreme weather, the gray scale of each LED is controlled to form intelligent adaptation of a driving environment, and the brightness of each LED is controlled to realize the regulation and control of the brightness of a city downtown area, so that the intelligent illumination of the automobile headlamp is realized.
Example 3:
the light source adopts a miniLED light source, the light sources are combined and discharged to a certain degree, the light source control module 2 obtains different light distributions by controlling the opening and closing of each LED, and the radiator is positioned on the back of the LED and used for radiating the LED and ensuring the normal work of the LED. The LED light source forms converged light beams through the TIR lens, light rays are uniformly distributed and then pass through the Fresnel lens to form parallel light, each LED forms a beam of independent and crosstalk-free parallel light, the parallel light beams pass through the free-form surface lens, and the free-form surface lens amplifies and corrects phase difference distortion of light spots so as to obtain the required light spots of each area which are mutually independent. The signal acquisition module 1 acquires environment information transmitted from the outside and transmits the environment information to the light source control module 2, and the light source control module 2 mainly controls the brightness, the gray scale and the color temperature of each LED light source according to the information acquired and processed by the signal acquisition module 1. The color temperature of each LED is controlled to improve the penetration capacity of extreme weather, the gray scale of each LED is controlled to form intelligent adaptation of a driving environment, and the brightness of each LED is controlled to realize the regulation and control of the brightness of a city downtown area, so that the intelligent illumination of the automobile headlamp is realized.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent flow transformations made by using the contents of the specification and the drawings, or applied directly or indirectly to other related systems, are included in the scope of the present invention.
Claims (10)
1. An automobile intelligent headlamp is characterized in that:
the device comprises a signal acquisition module (1), a light source control module (2), a light source module (3) and an optical processing module;
the signal acquisition module (1) acquires environment information transmitted from the outside and transmits the environment information to the light source control module (2); the light source control module (2) controls the light source module (3) according to the environmental information acquired by the signal acquisition module (1); the optical processing module is used for carrying out optical processing on the light emitted by the light source module (3).
2. The intelligent headlamp for the automobile as claimed in claim 1, wherein: the light source module (3) includes a plurality of light emitting devices arrayed.
3. The intelligent headlamp for the automobile as claimed in claim 2, wherein: the above-mentioned
The light source control module (2) controls the light source module (3) according to the environmental information acquired by the signal acquisition module (1), wherein the control of the light source module (3) comprises the adjustment of the brightness of the light emitted by the light source module (3).
4. The intelligent headlamp for the automobile as claimed in claim 3, wherein: the control of the light source module (3) further comprises adjusting the gray scale of the light emitted by the light source module (3).
5. The intelligent headlamp for the automobile as claimed in claim 4, wherein: the control of the light source module (3) further comprises the adjustment of the color temperature of the light emitted by the light source module (3).
6. An intelligent headlamp for an automobile as claimed in any one of claims 2 to 5, wherein: the optical processing module comprises a TIR lens array (4), a Fresnel lens array (5) and a free-form surface lens (6).
7. The intelligent headlamp for the automobile as claimed in claim 6, wherein: each light-emitting device corresponds to one TIR lens, and the TIR lens is used for shaping and condensing light emitted by the light-emitting devices.
8. The intelligent headlamp for the automobile as claimed in claim 7, wherein: each light-emitting device corresponds to one Fresnel lens, the Fresnel lens is used for carrying out secondary condensation on light emitted by the light-emitting devices, and the center of each light-emitting device is overlapped with the center of the Fresnel lens.
9. The intelligent headlamp for the automobile as claimed in claim 8, wherein: the free-form surface lens (6) is used for amplifying the light type of the light emitted by the light-emitting device and correcting phase difference distortion.
10. An intelligent headlamp for an automobile as claimed in any one of claims 2 to 5, wherein:
the LED lamp also comprises a heat dissipation module, wherein the heat dissipation module is positioned on the back of the light emitting device and used for dissipating heat of the light emitting device.
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CN108895313A (en) * | 2018-08-01 | 2018-11-27 | 苏州汇影光学技术有限公司 | A kind of array ultraviolet LED source of parallel light |
CN208670636U (en) * | 2018-09-12 | 2019-03-29 | 广州光联电子科技有限公司 | A kind of optical system of LED light source |
CN210801004U (en) * | 2019-11-08 | 2020-06-19 | 广州光联电子科技有限公司 | Far and near integrated LED module car lamp lighting device |
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Application publication date: 20201225 |