WO2020082670A1 - 一种双排矩阵式照明模组及其辅助照明方法 - Google Patents

一种双排矩阵式照明模组及其辅助照明方法 Download PDF

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Publication number
WO2020082670A1
WO2020082670A1 PCT/CN2019/078789 CN2019078789W WO2020082670A1 WO 2020082670 A1 WO2020082670 A1 WO 2020082670A1 CN 2019078789 W CN2019078789 W CN 2019078789W WO 2020082670 A1 WO2020082670 A1 WO 2020082670A1
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Prior art keywords
primary
primary optical
mounting bracket
lighting module
lens
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PCT/CN2019/078789
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English (en)
French (fr)
Inventor
张大攀
孙晓芬
仇智平
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华域视觉科技(上海)有限公司
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Application filed by 华域视觉科技(上海)有限公司 filed Critical 华域视觉科技(上海)有限公司
Priority to KR1020197030812A priority Critical patent/KR102360280B1/ko
Priority to DE112019000046.2T priority patent/DE112019000046B4/de
Priority to US16/654,700 priority patent/US11028987B2/en
Publication of WO2020082670A1 publication Critical patent/WO2020082670A1/zh

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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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • B60Q1/1415—Dimming circuits
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors
    • 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
    • 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
    • F21S41/24—Light guides
    • 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
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • 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
    • F21S41/29—Attachment thereof
    • 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
    • F21S41/29—Attachment thereof
    • F21S41/295—Attachment thereof specially adapted to projection lenses
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/322—Optical layout thereof the reflector using total internal reflection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
    • 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
    • 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
    • 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
    • F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
    • F21W2102/14—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions having vertical cut-off lines; specially adapted for adaptive high beams, i.e. wherein the beam is broader but avoids glaring other road users
    • 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]

Definitions

  • the invention relates to a lighting module, in particular to a double-row matrix lighting module and its auxiliary lighting method.
  • Matrix headlights are popular with customers as an updated product of automotive lighting technology.
  • the matrix headlight is a combination of multiple light sources. Through the in-vehicle radar and sensors, it collects various driving conditions, and then uses an intelligent system to control the sub-light sources, so that the light type can automatically adapt to the driving environment.
  • the matrix headlights at this time are not just individual car parts, but terminal components that are closely coordinated with the ADAS system.
  • the existing matrix lighting module cannot independently implement auxiliary light design for low beam, high beam, and left-right steering.
  • the installation structure is more complicated, the positioning of parts is not accurate, the positioning is difficult, and the disassembly is not convenient. It is also not conducive to ensuring the quality of products.
  • the purpose of the present invention is to provide a double-row matrix lighting module and its auxiliary lighting method, which can realize the conventional high beam, anti-glare high beam function, low beam follow steering function, high beam follow steering function;
  • the light is multiple LED light sources, which can be turned on and off separately, illuminating different areas, and can realize the anti-glare high beam function; overall, the far and near beam can realize the following steering function, improving the lighting experience during steering;
  • the structure is simple Compact, accurate positioning, convenient disassembly and assembly, easy to ensure the actual product quality.
  • a double-row matrix lighting module includes a light source part, a primary optical system, and a secondary projection system; the light source part includes an LED circuit board 8 and a heat sink 9 fixed to each other; and the primary optical system includes a primary optical part
  • the mounting bracket 4, the primary optics pressing plate 5, the LED circuit board 8, and the primary optics are all positioned and installed on the primary optics mounting bracket 4; the primary optics are divided into upper and lower layers, the upper layer is the primary optics A6, and the lower layer is Primary optics B7; primary optics A6 and primary optics B7, each with a row of independent light entrance ends, each incident end corresponding to an LED;
  • the secondary projection system includes a lens 1, a lens holder 3, both Connected and snapped through the lens collar 2; the lens holder 3 is connected and fixed to the optical component mounting bracket 4; the primary optical component mounting bracket 4 is used as a mounting positioning reference part, and has two rows of rectangular holes on the primary optical component A6 and The light-entering ends of the primary optics B7
  • the primary optics mounting bracket 4 has a horizontally extending platform that supports the primary optics below, while preventing the primary optics from moving away from the optical axis.
  • the primary optical component pressing plate 5 cooperates with the primary component mounting bracket 4 to clamp the primary optical component in between; the primary optical component pressing plate 5 and the primary component mounting bracket 4 have the function of blocking light.
  • the primary optical pressing plate 5 is made of plastic material, and has a buckle structure and a first positioning pin structure on both sides.
  • the primary optic pressing plate 5 has a groove, which cooperates with the flange of the upper edge of the primary optic.
  • the primary component mounting bracket 4 has a second positioning pin structure, and the primary optical component pressing plate 5 and the heat sink have corresponding positioning holes.
  • the positioning holes on the primary optical component pressing plate 5 are provided on both sides of the LED; when installing, the positioning pins are sequentially inserted into the primary optical component pressing plate 5 and the heat sink, and screws are tightened from the back of the heat sink.
  • the lens holder 3 has four screw posts fixed to the primary optical mounting bracket 4; the heat sink 9 also has mounting holes at these four screws; the lens holder 3 has three dimming point structures on the outside.
  • the dimming point structure enables the dual-row matrix lighting module to be installed in the lamp to dim up, down, left, and right.
  • the lens ring is made of PC, and there are four clips, which are connected with the lens holder 3 to fix the lens.
  • An auxiliary lighting method of the above double-row matrix lighting module is divided into the following auxiliary lighting modes: A) Anti-glare high beam auxiliary mode: the LED in the middle between the primary optics A6 and the primary optics B7 is turned off, Several LEDs in the middle of the left half of the primary optics A6 and B7 are off, and the rest of the LEDs are on; B) Low beam assist mode: the LEDs of the primary optics B7 on the right half are on, and the remaining LEDs are off; C) Light-turning auxiliary mode: the LED of the primary optic B7 on the right half is on, the LED in the middle is on, some LEDs on the right of the left half are on, and the remaining LEDs are off; Several LEDs on the right side of the primary optical part B7 on the right half are on, and the remaining LEDs are off.
  • the high beam is a plurality of LED light sources, which can be turned on and off separately, illuminating different areas, and can realize the anti-glare high beam function;
  • the far and near beams can realize the function of following steering, improving the lighting experience when turning;
  • the structure is simple and compact, with precise positioning, easy disassembly and assembly, and easy to ensure the actual product quality.
  • FIG. 1 is a perspective external view of a double-row matrix lighting module of the present invention.
  • FIG. 2 is a cross-sectional view of the double-row matrix lighting module of the present invention from a left side perspective.
  • Fig. 3 is a schematic diagram of a circuit board and a heat sink.
  • FIG. 4 is a schematic diagram of a primary optical system.
  • FIG. 5 is a schematic diagram of a mounting bracket for a primary optical system.
  • Figure 6 is a schematic diagram of the primary optics.
  • FIG. 7 is a schematic diagram of the optical path of the primary optical element.
  • FIG. 8 is a schematic diagram of four auxiliary lighting modes of the auxiliary lighting method of the double-row matrix lighting module.
  • a double-row matrix lighting module includes a light source part, a primary optical system, and a secondary projection system; the light source part includes an LED circuit board 8 and a heat sink 9 that are fixed to each other;
  • Light source part There are dozens of LEDs on the LED circuit board, which are arranged in two rows; LED is a white light source with a single-chip light source; the circuit board is a copper substrate, which has good heat dissipation; the LED board has a control circuit module 8-2 and connected The function of the plug-in 8-3; 8-2 is to control the on and off of the LED chip; the LEDs on the entire circuit board can be individually adjusted to turn on and off and the intensity of the brightness; the radiator is preferably made of aluminum profile, the heat dissipation effect is good, and the processing cost is low , Only need to cut and drill the profile.
  • the primary optical system includes a primary optical component mounting bracket 4, a primary optical component pressing plate 5, an LED circuit board 8, and a primary optical component are all positioned and installed on the primary optical component mounting bracket 4; the primary optical component is divided into upper and lower layers, The upper layer is the primary optics A6 and the lower layer is the primary optics B7; the primary optics A6 and the primary optics B7 each have a row of independent light entrance ends, and each incident end corresponds to an LED;
  • the primary optical part is the core part. It is recommended that this part is made of silicone. It is a bit high in temperature resistance, good permeability, and good reproducibility. It can achieve complex structural design.
  • the primary optics consists of multiple collimating condensers, including the light entrance end 6-1, the light entrance end connecting rib 6-2, the light exit surface 6-3 and the mounting foot 6-4; the light entrance end 6-1 has many , Corresponding to different LED light sources; a single collimator is rod-shaped, the light input end 6-1 is in the shape of a concave concave bowl; multiple collimators are arranged in a row, between adjacent collimating units
  • the light-entering end 1-1 is connected with a rib 6-2, and the focal point of the light-entering end 6-1 is on the same plane; the light-emitting surfaces are connected to each other to form a continuous light-emitting curved surface 6-3.
  • the mounting foot is a mounting structure, which is long on both sides of the primary optics and close to the position of the light exit surface. The greater the angle of rotation on the outside.
  • the width of the single condenser in the middle is narrow, and the width of the condensers on both sides is wide. After being projected by the lens, it is irradiated on the 25m screen.
  • the light spot in the middle is narrow and the light spots on both sides are wider. , The pixel accuracy in the middle is higher;
  • the single row of primary optics can only achieve the anti-glare high beam function; make the light pattern of one row above the cut-off line, and the other row below the cut-off line, when the low beam lights up, part of the light spot is bright As a supplement to the light intensity of the low beam; when the steering wheel rotates, the light spot lights or extinguishes in sequence with the steering wheel angle, forming an effect of inflection point movement on the road surface. Effect.
  • the mounting bracket of the primary optics is a metal part, which is used as the positioning reference part.
  • the two rows of rectangular holes on it can fix the soft light concentrator's light input end to ensure the precise positional relationship between the light input ends.
  • the light input ends can be separated from each other to ensure that different subunits do not affect each other.
  • the distance between the primary optics and the LED is critical, affecting the light efficiency and safety of the optical system.
  • the spacer between the rectangular holes, the front end surface is used as the positioning surface of the optical element in the optical axis direction of the primary optics, and it is pressed against 6-2 to prevent the primary optics from moving in the direction of the LED;
  • the horizontally extended platform on the mounting bracket 4 has Two functions, one is to support the primary optics below, and the other is to prevent the primary optics from moving away from the optical axis.
  • the primary optic pressing plate cooperates with the primary mounting bracket to press the primary optics in the middle. In addition to the installation function, they also have the function of blocking the light, blocking the installation structure, etc., only retaining the light from the primary optics
  • the surface is transparent.
  • the pressure plate is preferably made of plastic, with a buckle structure on both sides and a positioning pin structure on both sides.
  • the positioning pin is also positioned with the metal mounting bracket to ensure its installation accuracy.
  • the primary optical member 6 is pressed tightly to make the 6 and 7 closely adhere to each other to prevent the occurrence of gaps. Because the pressure plate is a plastic part, in order to ensure its own strength, the pressure plate also has a rib design.
  • the positioning pins on the back of the mounting bracket 4 there are also positioning pins on the back of the mounting bracket 4, corresponding positioning holes on the circuit board and the radiator.
  • the positioning holes on the circuit board are arranged near the two sides of the LED, which can better ensure the effectiveness of the positioning.
  • the circuit board is inserted into the positioning pin from the rear side, and the radiator is inserted into the same positioning pin from the back, and then screwed from the back of the radiator to fasten.
  • the advantage of this structure is that the circuit board is easy to disassemble and assemble. There are dozens of LED light sources on the circuit board. If some of the light sources are damaged, the radiator and circuit board can be easily removed and replaced.
  • the secondary projection system includes a lens 1 and a lens holder 3, and the two are connected by snap-fitting with a lens collar 2; the lens holder 3 is connected and fixed to the optical component mounting bracket 4; the primary optical component mounting bracket 4 serves as a mounting positioning reference
  • the component has two rows of rectangular holes on it, respectively fixing the light-entering ends of the primary optical member A6 and the primary optical member B7, while separating the light-entering ends from each other.
  • the core of the secondary projection system is the lens.
  • the lens 1 is disposed at the front end of the light exit surface, and the light exit surface of the condenser is on the focal plane of the lens.
  • the lens is a single convex lens or a combination of multiple lenses.
  • the lens forms are: plano-convex lens, biconvex lens, meniscus lens; when multiple lenses are combined, it is a combination of meniscus lens, which is beneficial to eliminate chromatic aberration and bad aberration.
  • the surface of the lens is a net-like structure, which has two functions: to make the light connection uniform and weaken the dispersion;
  • the grid has a diffusion function, the purpose is to increase the overlap between pixels, so that the overall connection between pixels is uniform.
  • the grid diffuses the light pattern and blurs the boundary, which also weakens the boundary dispersion
  • the lens holder is a function to connect the primary optics and the secondary optics.
  • the front face is attached to the lens, and the rear face is connected to the mounting bracket of the primary optics; on installation, the lens bracket has four screw posts fixed to the mounting bracket to ensure smooth and reliable installation.
  • the heat sink has also dug through holes at these four screws. The advantage of these through holes is that if the lens holder needs to be replaced, there is no need to disassemble the heat sink and the circuit board. Only a screwdriver is required to pass through the through hole to insert the lens holder. The screws can be removed without changing the relative position of the primary optical system.
  • the lens ring is made of PC. There are four clips, which are connected with the lens holder to fix the lens. This buckle design is also conducive to the disassembly and assembly of the lens. If the lens needs to be replaced, the lens can be removed by pulling the buckle slightly.
  • the lens collar is preferably a light-impermeable material. A circle encloses the lens to block the positioning structure or the overturning structure of the lens, leaving only the part of the optical surface that needs to transmit light.
  • this dual-row matrix lighting module is divided into the following auxiliary lighting modes as shown in FIG. 8:

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

一种双排矩阵式照明模组及其辅助照明方法，光源部分包括相互固定的LED线路板（8）和散热器（9）；初级光学系统包括初级光学件安装支架（4），初级光学件压板（5）、LED线路板、初级光学件均定位安装在初级光学件安装支架上；初级光学件分为上下两层，上层为初级光学件A（6）、下层为初级光学件B（7）；初级光学件安装支架作为安装定位基准件，其上具有两排矩形孔，分别固定初级光学件A和初级光学件B的入光端（6-1），同时让各入光端相互隔开。可以实现远光，防眩目远光功能，近光随动转向功能，远光随动转向功能；远光可实现防眩目远光功能；整体的，远近光可以实现随动转向功能，提高转向时的照明体验；结构上，简单紧凑，定位精确，拆装方便，易于保证实际产品质量。

Description

一种双排矩阵式照明模组及其辅助照明方法 技术领域
本发明涉及一种照明模组，尤其涉及一种双排矩阵式照明模组及其辅助照明方法。
背景技术
矩阵式大灯作为汽车照明技术的更新产物，备受客户青睐，。矩阵式大灯是多颗光源组合排列，通过车内雷达及传感器，对各种行车状态做出收集，再运用智能系统对子光源进行控制，使光型能自动适应行车环境。此时的矩阵大灯不仅仅是单独的汽车零件，而是要与ADAS系统紧密配合的终端部件。
现有的矩阵式照明模组，无法针对近光、远光、以及左右转向独立实现辅助光型设计；此外，安装结构较为复杂，零部件定位不够精确，定位难度较大，拆装不够便捷，也不利于保证产品的质量。
发明内容
本发明的目的是：提供一种双排矩阵式照明模组及其辅助照明方法，可以实现常规远光，防眩目远光功能，近光随动转向功能，远光随动转向功能；远光为多颗LED光源，可单独亮灭，照亮不同的区域，可实现防眩目远光功能；整体的，远近光可以实现随动转向功能，提高转向时的照明体验；结构上，简单紧凑，定位精确，拆装方便，易于保证实际产品质量。
本发明采取以下技术方案：
一种双排矩阵式照明模组，包括光源部分、初级光学系统、次级投设 系统；所述光源部分包括相互固定的LED线路板8和散热器9；所述初级光学系统包括初级光学件安装支架4，初级光学件压板5、LED线路板8、初级光学件均定位安装在初级光学件安装支架4上；所述初级光学件分为上下两层，上层为初级光学件A6、下层为初级光学件B7；初级光学件A6与初级光学件B7，各自具有一排独立的入光端，各入射端与一个LED对应；所述次级投设系统包括透镜1、透镜支架3，两者通过透镜卡圈2卡合连接；透镜支架3与光学件安装支架4连接固定；所述初级光学件安装支架4作为安装定位基准件，其上具有两排矩形孔，分别固定初级光学件A6和初级光学件B7的入光端，同时让各入光端相互隔开。
进一步的，所述矩形孔之间具有隔筋，隔筋前端面作为初级光学件的光学件光轴方向定位面，与入光端连接筋6-2顶住，防止初级光学件往LED方向窜动；初级光学件安装支架4上具有水平伸出的平台，该平台在下方支撑初级光学件，同时防止初级光学件往远离光轴方向窜动。
进一步的，初级光学件压板5与初级件安装支架4配合，把初级光学件夹在中间压紧；初级光学件压板5与初级件安装支架4具有挡光的作用。
进一步的，初级光学件压板5为塑料材质，两侧有卡扣结构和第一定位销结构。
进一步的，初级光学件压板5有一条凹槽，与初级光学件上边缘的翻边配合。
进一步的，初级件安装支架4具有第二定位销结构，初级光学件压板5及散热器上对应有定位孔。
更进一步的，初级光学件压板5上的定位孔设置在LED两侧辅近；安装时，定位销依次插入初级光学件压板5和散热器，从散热器背后打螺钉紧固。
进一步的，透镜支架3有四个螺钉柱与初级光学件安装支架4相固定； 散热器9上在此四个螺钉处也具有安装通孔；透镜支架3外侧有三个调光点结构，所述调光点结构使得本双排矩阵式照明模组安装在灯内可以上下左右调光。
更进一步的，透镜卡圈为PC件，有四处卡子，与透镜支架3卡接，用于固定透镜。
一种上述的双排矩阵式照明模组的辅助照明方法，分为以下几种辅助照明模式：A)防炫目远光辅助模式：初级光学件A6与初级光学件B7的正中间的LED关闭，初级光学件A6与初级光学件B7左半部的中间若干LED关闭，其余LED点亮；B)近光辅助模式：右半部的初级光学件B7的LED点亮，其余LED关闭；C)近光左转辅助模式：右半部的初级光学件B7的LED点亮，正中间的LED点亮，左半部的右侧若干LED点亮，其余LED关闭；D)近光右转辅助模式：右半部的初级光学件B7的右侧若干LED点亮，其余LED关闭。
本发明的有益效果在于：
1)可以实现常规远光，防眩目远光功能，近光随动转向功能，远光随动转向功能；
2)远光为多颗LED光源，可单独亮灭，照亮不同的区域，可实现防眩目远光功能；
3)整体的，远近光可以实现随动转向功能，提高转向时的照明体验；
4)结构上，简单紧凑，定位精确，拆装方便，易于保证实际产品质量。
附图说明
图1是本发明双排矩阵式照明模组的立体外形图。
图2是本发明双排矩阵式照明模组左侧视角下的剖视图。
图3是线路板及散热器的示意图。
图4是初级光学系统的示意图。
图5是初级光学系统安装支架的示意图。
图6是初级光学件的示意图。
图7是初级光学元件光路示意图。
图8是双排矩阵式照明模组的辅助照明方法的四种辅助照明模式的示意图。
图中，1.透镜，2.透镜卡圈，3.透镜支架，4.初级光学件安装支架，5.初级光学件压板，6.初级光学件A，7.初级光学件B，8.LED线路板，9.散热器，6-1.入光端，6-2.入光端连接筋，6-3.出光面，6-4.安装脚，8-1.LED安装位，8-2.控制电路模块，8-3.接插件。
具体实施方式
下面结合附图和具体实施例对本发明进一步说明。
参见图1-图6，一种双排矩阵式照明模组，包括光源部分、初级光学系统、次级投设系统；所述光源部分包括相互固定的LED线路板8和散热器9；
光源部分：LED线路板上LED有数十个，成两排阵列排布；LED为单芯片光源白光光源；线路板为铜基板，散热较好；LED板上有控制电路模块8－2及接插件8-3；8-2的功能是控制LED芯片的亮灭；整个线路板上的LED均可以单独调整体亮灭和亮度强弱；散热器优选铝型材制作，散热效果好，加工成本低，仅需型材切割钻孔即可。
所述初级光学系统包括初级光学件安装支架4，初级光学件压板5、LED线路板8、初级光学件均定位安装在初级光学件安装支架4上；所述初级光学件分为上下两层，上层为初级光学件A6、下层为初级光学件B7；初级光学件A6与初级光学件B7，各自具有一排独立的入光端，各入射端与一个LED 对应；
初级光学系统中，初级光学件为核心零件，推荐此零件用硅胶制作，有点是耐温高，通透性好，复制性好，可以实现复杂的结构设计。
初级光学件有多个准直聚光器构成，包含入光端6-1，入光端连接筋6-2，出光面6-3和安装脚6-4；入光端6-1有多个，分别对应不同的LED光源；单个准直器呈杆状，入光端6-1是中间内凹的聚光碗形状；多个准直器排成一排，相邻准直单元之间，入光端1-1有筋6-2连接，入光端6-1的焦点在同一平面；出光面相互连接，形成连续的出光曲面6-3。安装脚为安装结构，长在初级光学件两侧，靠近出光面位置；中间准直器光轴与系统光轴方向相同，旁边准直器光轴均与中间系统光轴呈一定旋转角度，越外侧的旋转角度越大。中间单个聚光器宽度窄，两侧聚光器宽度宽，经过透镜投影后，照射到25m屏幕上，中间的光斑细窄，两边的光斑较宽，主要目的是在满足照射角度固定的情况下，中间的像素精度高一些；
本案中初级光学件有两个，上下排布，中间出光面紧贴；出光面紧贴是防止上下两个出光面有缝隙，导致投射屏幕上有暗线；初级光学件两排，相对一排就多了很多功能；单排初级光学件只能实现防眩目远光功能；使一排的光型布置在截至线上方，另外一排布置在截至线下方，当近光亮起时，部分光斑亮起，作为近光的光强补充；当方向盘转动时，光斑随着方向盘角度左右顺序点亮或熄灭，在路面上形成拐点移动的效果，作为弯道照明的补光，达到类似于带马达AFS的效果。
初级光学件安装支架为金属件，作为安装定位基准件，其上的两排矩形孔，可以分别固定较软的聚光器入光端，保证各个入光端之间相互位置关系精准。此外，还可以让入光端相互隔开，保证不同的子单元不相互影响。初级光学件跟LED的距离至关重要，影响着光学系统的光效及安全性。 矩形孔之间的隔筋，前端面作为初级光学件的光学件光轴方向定位面，与6-2顶住，防止初级光学件往LED方向窜动；安装支架4上水平伸出的平台有两个作用，一个作用是在下方支撑初级光学件，另外一个作用是防止初级光学件往远离光轴方向窜动。
初级光学件压板与初级件安装支架配合，把初级光学件加在中间压紧；他们除了有安装的作用，还有挡光的作用，把安装结构等都遮挡起来，只保留初级光学件的出光面透光。
压板优选塑料材质，两侧有卡扣结构，两侧有定位销结构。定位销也是和金属的安装支架做定位保证其安装精度。压板上有一条凹槽，与初级光学件上边缘的翻遍配合。一方面保证初级光学件6的出光面的前后方向位置，一方面又紧压初级光学件6，使6和7之间紧密贴住，防止有缝隙产生。因为压板是塑料零件，为保证自身的强度，压板上也有加强筋设计。
安装支架4背后也有定位销，线路板及散热器上对应有定位孔。线路板上的定位孔设置在LED两侧辅近，能较好的保证定位的有效性。安装上，线路板从后侧插入定位销，散热器再从后面插入同样的定位销，然后从散热器背后打螺钉紧固。这样的结构优点是线路板拆装方便。线路板上有数十颗LED光源，如果有某些光源存在损坏，可以方便的拆掉和更换散热器和线路板。
所述次级投设系统包括透镜1、透镜支架3，两者通过透镜卡圈2卡合连接；透镜支架3与光学件安装支架4连接固定；所述初级光学件安装支架4作为安装定位基准件，其上具有两排矩形孔，分别固定初级光学件A6和初级光学件B7的入光端，同时让各入光端相互隔开。
次级投射系统的的核心为透镜。透镜1设置在出光面的前端，聚光器的出光面在透镜的焦平面上。透镜为单凸透镜或多个透镜组合。单透镜时， 透镜形式为：平凸透镜、双凸透镜、弯月形图透镜；多个透镜组合时，是凹凸透镜的组合，有利于消除色差及不良像差。
透镜表面为网状结构，有两个作用：使光型衔接均匀，弱化色散；
网格具有扩散功能，目的是增加像素之间的重叠，使像素之间整体衔接均匀。
网格使光型扩散，边界变模糊，对边界色散同样有弱化作用；
透镜支架为连接初级光学件与次级光学件的功能。前端面与透镜贴合，后端面与初级光学件安装支架相连；安装上，透镜支架有四个螺钉柱与安装支架相固定，保证安装的平稳可靠。此外，散热器上在此四个螺钉处也挖了通孔，这些通孔的好处是：如果需要更换透镜支架，不需要拆卸散热器及线路板，仅仅需要螺丝刀穿过通孔把透镜支架的螺钉拧下即可，不需要改变初级光学系统的相对位置。透镜支架外侧有三个调光点结构，这些调光点使得本模组安装在灯内可以上下左右调光。
透镜卡圈为PC件，有四处卡子，与透镜支架卡接，用于固定透镜。这种卡扣设计也有利于透镜的拆装，透镜如果需要更换，把卡扣略微拨开即可拆卸透镜。透镜卡圈优选不透光材料，一圈围住透镜，遮挡透镜的定位结构或翻遍结构，仅仅留出需要透光的光学面部分。
本双排矩阵式照明模组，在进行辅助照明时，如图8所示，分为以下几种辅助照明模式：A)防炫目远光辅助模式：初级光学件A6与初级光学件B7的正中间的LED关闭，初级光学件A6与初级光学件B7左半部的中间若干LED关闭，其余LED点亮；B)近光辅助模式：右半部的初级光学件B7的LED点亮，其余LED关闭；C)近光左转辅助模式：右半部的初级光学件B7的LED点亮，正中间的LED点亮，左半部的右侧若干LED点亮，其余LED关闭；D)近光右转辅助模式：右半部的初级光学件B7的右侧若干LED点亮，其余LED关闭。
以上是本发明的优选实施例，本领域普通技术人员还可以在此基础上进行各种变换或改进，在不脱离本发明总的构思的前提下，这些变换或改进都应当属于本发明要求保护的范围之内。

Claims (10)

  1. 一种双排矩阵式照明模组，其特征在于：
    包括光源部分、初级光学系统、次级投设系统；
    所述光源部分包括相互固定的LED线路板(8)和散热器(9)；
    所述初级光学系统包括初级光学件安装支架(4)，初级光学件压板(5)、LED线路板(8)、初级光学件均定位安装在初级光学件安装支架(4)上；所述初级光学件分为上下两层，上层为初级光学件A(6)、下层为初级光学件B(7)；初级光学件A(6)与初级光学件B(7)，各自具有一排独立的入光端，各入射端与一个LED对应；
    所述次级投设系统包括透镜(1)、透镜支架(3)，两者通过透镜卡圈(2)卡合连接；透镜支架(3)与光学件安装支架(4)连接固定；
    所述初级光学件安装支架(4)作为安装定位基准件，其上具有两排矩形孔，分别固定初级光学件A(6)和初级光学件B(7)的入光端，同时让各入光端相互隔开。
  2. 如权利要求1所述的双排矩阵式照明模组，其特征在于：所述矩形孔之间具有隔筋，隔筋前端面作为初级光学件的光学件光轴方向定位面，与入光端连接筋(6-2)顶住，防止初级光学件往LED方向窜动；初级光学件安装支架(4)上具有水平伸出的平台，该平台在下方支撑初级光学件，同时防止初级光学件往远离光轴方向窜动。
  3. 如权利要求1所述的双排矩阵式照明模组，其特征在于：初级光学件压板(5)与初级件安装支架(4)配合，把初级光学件夹在中间压紧；初级光学件压板(5)与初级件安装支架(4)具有挡光的作用。
  4. 如权利要求1所述的双排矩阵式照明模组，其特征在于：初级光学件压板(5)为塑料材质，两侧有卡扣结构和第一定位销结构。
  5. 如权利要求1所述的双排矩阵式照明模组，其特征在于：初级光学件压板(5)有一条凹槽，与初级光学件上边缘的翻边配合。
  6. 如权利要求1所述的双排矩阵式照明模组，其特征在于：初级件安装支架(4)具有第二定位销结构，初级光学件压板(5)及散热器上对应有定位孔。
  7. 如权利要求6所述的双排矩阵式照明模组，其特征在于：初级光学件压板(5)上的定位孔设置在LED两侧辅近；安装时，定位销依次插入初级光学件压板(5)和散热器，从散热器背后打螺钉紧固。
  8. 如权利要求1所述的双排矩阵式照明模组，其特征在于：透镜支架(3)有四个螺钉柱与初级光学件安装支架(4)相固定；散热器(9)上在此四个螺钉处也具有安装通孔；透镜支架(3)外侧有三个调光点结构，所述调光点结构使得本双排矩阵式照明模组安装在灯内可以上下左右调光。
  9. 如权利要求8所述的双排矩阵式照明模组，其特征在于：透镜卡圈为PC件，有四处卡子，与透镜支架(3)卡接，用于固定透镜。
  10. 一种如权利要求1所述的双排矩阵式照明模组的辅助照明方法，其特征在于：
    分为以下几种辅助照明模式：
    A)防炫目远光辅助模式：初级光学件A(6)与初级光学件B(7)的正中间的LED关闭，初级光学件A(6)与初级光学件B(7)左半部的中间若干LED关闭，其余LED点亮；
    B)近光辅助模式：右半部的初级光学件B(7)的LED点亮，其余LED关闭；
    C)近光左转辅助模式：右半部的初级光学件B(7)的LED点亮， 正中间的LED点亮，左半部的右侧若干LED点亮，其余LED关闭；
    D近光右转辅助模式：右半部的初级光学件B(7)的右侧若干LED点亮，其余LED关闭。
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