WO2022012634A1 - 车辆远光灯模组、车辆前照灯及车辆 - Google Patents

车辆远光灯模组、车辆前照灯及车辆 Download PDF

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Publication number
WO2022012634A1
WO2022012634A1 PCT/CN2021/106540 CN2021106540W WO2022012634A1 WO 2022012634 A1 WO2022012634 A1 WO 2022012634A1 CN 2021106540 W CN2021106540 W CN 2021106540W WO 2022012634 A1 WO2022012634 A1 WO 2022012634A1
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WIPO (PCT)
Prior art keywords
light
primary
lens
vehicle
high beam
Prior art date
Application number
PCT/CN2021/106540
Other languages
English (en)
French (fr)
Inventor
张大攀
祝贺
李聪
桑文慧
Original Assignee
华域视觉科技(上海)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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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 EP21842895.1A priority Critical patent/EP4170230A4/en
Publication of WO2022012634A1 publication Critical patent/WO2022012634A1/zh

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Classifications

    • 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
    • F21S41/10—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
    • 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
    • F21S41/26—Elongated 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24-F21S41/28
    • 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
    • F21W2102/145—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 wherein the light is emitted between two parallel vertical cutoff lines, e.g. selectively emitted rectangular-shaped high beam
    • 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 vehicle lamp, in particular to a vehicle high beam lamp module.
  • the present invention also relates to a vehicle headlamp and a vehicle.
  • the vehicle high beam module with anti-dazzle function can solve the above problems.
  • the lighting area has no effect, which can fully illuminate the road in front of your own vehicle while avoiding interference with other vehicles, improving the safety of driving at night.
  • a utility model patent with an application date of September 14, 2017 and a publication number of CN207527498U discloses a vehicle optical module, which includes multiple sets of collimating lens units and secondary lenses, each set of the collimating lenses The units are arranged in a row at intervals in a matrix, and the light-emitting surfaces of two adjacent collimating lenses are separated from each other by a distance of the width of the light-emitting surface without connection; The collimating lens is integrated into one.
  • a light shape with a plurality of continuous light spots can be formed by using two of the above-mentioned automotive optical modules to cooperate.
  • a utility model patent with an application date of April 13, 2018 and a publication number of CN207962511U discloses an optical module, which includes a concentrator and a plurality of high-beam light sources, and the concentrator includes a plurality of light guides.
  • the light incident ends of each of the light guide members are arranged in a one-to-one correspondence with each of the high-beam light sources, and the light emitting ends of each of the light guide members converge together to form an arc-shaped light emitting portion.
  • the irradiation area of the light emitted by the headlights is controlled, so as to prevent the light from directly irradiating the opposite vehicle, thereby solving the problem of dazzling the driver in the opposite vehicle due to the high beam irradiation.
  • the above-mentioned vehicle high beam modules can form a high beam shape with multiple pixels, and realize the high beam anti-glare function by controlling the on and off of the light source, but they still have the following shortcomings:
  • the vehicle or pedestrian in front of the vehicle is located directly in front of the lane. It is necessary to control the corresponding light source to turn off according to the area where the vehicle or pedestrian is located to form a dark area.
  • the high-beam shape with multiple pixels formed by the vehicle high-beam module of the prior art because of the unique structure of the concentrator, the pixel widths of the multiple pixels are basically the same, so that when the vehicle is on the road, the lane is straight.
  • the resolution of the light shape in the front and on both sides of the front of the lane is very high, that is, the pixel width is very narrow, and the high-beam light shape with wide pixel width on both sides and narrow pixel width in the middle cannot be realized.
  • the number of light sources is large, resulting in high module cost. high.
  • the technical problem to be solved by the first aspect of the present invention is to provide a vehicle high beam module, which can realize the small opening design of the light outlet of the vehicle headlamp, and realize the narrow pixel width in the area near the front of the vehicle and the areas on both sides in front of the vehicle. High beam beam shape with wide pixel width.
  • the technical problem to be solved by the second aspect of the present invention is to provide a vehicle headlamp that can realize a small opening design and a high beam shape with narrow pixel width in the area near the front of the vehicle and wide pixel width in the areas on both sides in front of the vehicle.
  • the technical problem to be solved by the third aspect of the present invention is to provide a vehicle capable of realizing a high beam beam shape with narrow pixel width in the area near the front of the vehicle and wide pixel width in the areas on both sides in front of the vehicle.
  • a first aspect of the present invention provides a vehicle high beam module, comprising a plurality of light-emitting light sources and a lens group, wherein the lens group is arranged in the exit direction of the light emitted by the light-emitting light sources, and includes at least Two-stage lens, the first-stage lens in the lens group includes a plurality of light-condensing units arranged side by side and having light-incident surfaces with a set width, and the light-incident surfaces of each of the light-condensing units are one-to-one with each of the light-emitting light sources Correspondingly, the light emitted by each of the light-emitting light sources can sequentially pass through the first-level lens and other lenses in the lens group to form a plurality of light-shape constituent units, and the plurality of light-shape constituent units are sequentially arranged to have multiple light-shape constituent units.
  • the high beam beam shape of each pixel, and the width of each of the light shape components corresponds to the set width of the corresponding light incident surface, wherein the set width of each of the light incident surfaces is set such that The widths of the plurality of pixels decrease from the outer region of the light shape to the central region of the light shape.
  • the set widths of the light incident surfaces of the plurality of light condensing units are set to decrease from the outer area to the central area.
  • the front and rear lengths of the plurality of light condensing units are set to decrease from the outer area to the central area.
  • each of the light concentrating units is a plano-convex lens
  • the light incident surface of each light condensing unit is a plane
  • the light exit surface thereof is a forward convex curved surface
  • the light condensing units are connected as a whole.
  • the lens group includes a primary lens, a secondary lens and a tertiary lens arranged in sequence along the exit direction of the light emitted by the light-emitting light source, and the secondary lens is capable of up-down direction for the light emitted by the primary lens. to aggregate.
  • the secondary lens is a plano-convex cylindrical lens extending in the left-right direction, or the longitudinal section of the light incident surface of the secondary lens is a straight line, and the longitudinal section of the light exit surface is a forward convex curve , and the outer part of the secondary lens is bent forward.
  • the tertiary lens is a plano-convex lens or a biconvex lens.
  • each of the light-emitting light sources is an LED light source, and each of the light-emitting light sources is arranged at the focal point of each of the light-condensing units corresponding thereto.
  • the light-emitting light source located on the right side of the optical axis of the tertiary lens is located on the right side of the optical axis of the corresponding light collecting unit, and the light-emitting light source located on the left side of the optical axis of the tertiary lens is located on the corresponding light source.
  • the light-emitting light source located on the right side of the optical axis of the tertiary lens is located on the right side of the optical axis of the corresponding light collecting unit
  • the light-emitting light source located on the left side of the optical axis of the tertiary lens is located on the corresponding light source.
  • a low beam auxiliary lighting unit is provided above or below or on the left or right side of the secondary lens.
  • the low beam auxiliary lighting unit includes a primary optical element and an auxiliary lighting light source corresponding to the primary optical element, and the light emitted by the auxiliary lighting light source passes through the primary optical element and enters the three light sources.
  • a secondary lens so that the tertiary lens can be illuminated.
  • an auxiliary cylindrical lens is provided in front of the primary optical element, and the auxiliary cylindrical lens is a plano-convex cylindrical lens extending in the left-right direction.
  • the primary optical element has a primary light incident surface and a primary light emitting surface, a light channel is formed between the primary light incident surface and the primary light emitting surface in the front-rear direction, and a condenser cup is provided on the primary light incident surface structure, the outer contour surface of the condenser cup structure is a curved surface whose diameter gradually increases from back to front.
  • the primary light incident surface is a plane
  • the primary light emitting surface is a forward convex curved surface
  • the upper and lower heights of the primary light incident surface are greater than the upper and lower heights of the primary light emitting surface
  • the primary light incident surface is The left and right width of the surface is smaller than the left and right width of the primary light emitting surface.
  • the primary optical element has a primary light incident surface and a primary light emitting surface, a light channel is formed between the primary light incident surface and the primary light emitting surface in the front-rear direction, the primary light incident surface is a plane, and the primary light incident surface is a plane.
  • the light exit surface is a forward convex curved surface, the upper and lower heights of the primary light incident surface are smaller than the upper and lower heights of the primary light exit surface, and the left and right width of the primary light entrance surface is smaller than the left and right width of the primary light exit surface.
  • the primary optical element has a primary light incident surface and a primary light emitting surface, a light channel is formed between the primary light incident surface and the primary light emitting surface in the front-rear direction, the primary light incident surface is a plane, and the primary light incident surface is a plane.
  • the light exit surface is a forward convex curved surface, the upper and lower heights of the primary light incident surface are equal to the upper and lower heights of the primary light exit surface, and the left and right width of the primary light entrance surface is equal to the left and right width of the primary light exit surface.
  • a low beam auxiliary lighting unit is provided above the secondary lens, and the low beam auxiliary lighting unit includes two or more primary optical elements arranged side by side in the left-right direction and connected as a whole and each The primary optical elements have a one-to-one correspondence with auxiliary lighting sources, the primary optical element has a primary light incident surface and a primary light exit surface, and a light channel is formed between the primary light incident surface and the primary light exit surface in the front-rear direction, and the two One or more than two of the primary optical elements are integrally formed with the secondary lens.
  • a second aspect of the present invention further provides a vehicle headlamp, comprising the above vehicle high beam module.
  • a third aspect of the present invention also provides a vehicle, comprising the above-mentioned vehicle headlamp.
  • the present invention can collect as much light emitted by the light-emitting light source as possible by utilizing the converging effect of the multi-stage lenses, thereby improving the utilization rate of light, and making the last stage of the lens more efficient.
  • the upper and lower dimensions are made smaller, thereby reducing the upper and lower dimensions of the entire vehicle lamp module, and realizing the design of small openings for the light outlet of the vehicle headlamp;
  • the condensing unit can make the light emitted by each light-emitting light source pass through the first-level lens and other lenses in the lens group in turn to form a plurality of light-shape component units, and the width of each light-shape component unit corresponds to the setting of the corresponding light incident surface.
  • the fixed width corresponds to, so that a high beam beam shape with a plurality of pixels of a specific width can be formed, and the set width of each light incident surface can be set so that the width of the plurality of pixels decreases from the outer region of the light shape to the central region of the light shape. Therefore, the high-beam beam shape with narrow pixel width in the area near the front of the vehicle and wide pixel width in the areas on both sides in front of the vehicle can be realized.
  • FIG. 1 is a schematic three-dimensional structure diagram 1 of an embodiment of the present invention
  • FIG. 2 is a schematic diagram 2 of a three-dimensional structure of an embodiment of the present invention.
  • Fig. 3 is the top view of Fig. 2;
  • Fig. 4 is the A-A sectional view of Fig. 3;
  • Fig. 5 is the side view of Fig. 2;
  • Fig. 6 is the B-B sectional view of Fig. 5;
  • FIG. 7 is a schematic diagram of light shape simulation applied to a left vehicle lamp according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a light-shaped line applied to a left vehicle lamp according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of light shape simulation applied to a right vehicle lamp according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a light-shaped line applied to a right vehicle lamp according to an embodiment of the present invention.
  • FIG. 11 is a top view of another embodiment of the present invention applied to a left vehicle lamp
  • FIG. 12 is a top view of another embodiment of the present invention applied to a right lamp
  • FIG. 13 is a top view of another embodiment of the present invention applied to a left vehicle lamp and a right vehicle lamp;
  • Fig. 14 is a top view of another embodiment of the present invention, wherein the optical axis of the light-emitting light source is coincident with the optical axis of the corresponding condensing unit;
  • 15 is a top view of another embodiment of the present invention, wherein the light-emitting light source located on the right side of the optical axis of the tertiary lens is provided on the right side of the optical axis of the corresponding light-gathering unit;
  • 16 is a schematic three-dimensional structure diagram 1 of another embodiment of the present invention.
  • 17 is a schematic three-dimensional structure diagram 2 of another embodiment of the present invention.
  • Figure 18 is a top view of Figure 17;
  • Figure 19 is a C-C sectional view of Figure 18;
  • 20 is a schematic three-dimensional structure diagram 1 of a primary optical element in another embodiment of the present invention.
  • FIG. 21 is a schematic diagram 2 of a three-dimensional structure of a primary optical element in another embodiment of the present invention.
  • FIG. 22 is another three-dimensional schematic diagram 1 of the primary optical element in another embodiment of the present invention.
  • FIG. 23 is another three-dimensional schematic diagram 2 of the primary optical element in another embodiment of the present invention.
  • 24 is another three-dimensional schematic diagram 1 of the primary optical element in another embodiment of the present invention.
  • 25 is another three-dimensional schematic diagram 2 of the primary optical element in another embodiment of the present invention.
  • Figure 26 is a schematic three-dimensional structure diagram of yet another embodiment of the present invention.
  • Figure 27 is a top view of yet another embodiment of the present invention.
  • the present invention provides a vehicle high beam module, which includes a plurality of light-emitting light sources 6 and a lens group. It includes at least two-stage lenses.
  • the first-stage lens 1 in the lens group includes a plurality of condensing units 11 arranged side by side and having light incident surfaces with a set width.
  • the light-emitting light sources 6 are in one-to-one correspondence, and the light emitted by each of the light-emitting light sources 6 can pass through the primary lens 1 and the other lenses in the lens group to form a plurality of light-shaped component units.
  • the shape component units are sequentially arranged into a high beam light shape with a plurality of pixels, and the width of each of the light shape component units corresponds to the set width of the corresponding light incident surface, wherein each of the light incident surfaces
  • the set width of is set such that the widths of the plurality of pixels decrease from the outer region of the light shape to the central region of the light shape.
  • the lens group preferably includes a primary lens 1, a secondary lens 2 and a tertiary lens 3 arranged in sequence along the exit direction of the light emitted by the light-emitting light source 6.
  • the primary lens 1 includes a plurality of condensing units 11, each of which is The light condensing units 11 can condense the light emitted by the light-emitting light source 6 in the up, down, left, and right directions.
  • Each condensing unit 11 is preferably a plano-convex lens, that is, the light incident surface of each light condensing unit 11 is a plane, and its light exit surface is forward convex.
  • each condensing unit 11 is connected as a whole, and the secondary lens 2 can converge the light emitted by each condensing unit 11 in the up and down direction, so that more light can be incident on the tertiary lens 3, so that the three
  • the upper and lower dimensions of the stage lens 3 can be made small.
  • the secondary lens 2 is preferably a plano-convex cylindrical lens extending in the left and right directions.
  • the longitudinal section of the light incident surface of the secondary lens 2 is a straight line, and the longitudinal section is that the light incident surface is intercepted by a vertical plane extending in the front and rear directions.
  • the longitudinal section of the light-emitting surface is a curve that protrudes forward, and the longitudinal section is the section of the light-emitting surface that is cut by the vertical plane extending in the front-rear direction, so as to realize the secondary lens 2 to each condensing unit.
  • the light emitted by 11 is converged in the up and down direction, so that more light can be incident on the tertiary lens 3.
  • the secondary lens 2 can also be a biconvex cylindrical lens;
  • the tertiary lens 3 can be an ordinary lens, For example, plano-convex or biconvex lenses.
  • the primary lens 1 of the present invention includes a plurality of condensing units 11 arranged side by side and having light incident surfaces with a set width, so that the light emitted by each light-emitting light source 6 can pass through the primary lens 1 and other lenses in the lens group in sequence.
  • a plurality of light shape constituent units are formed, and the width of each light shape constituent unit corresponds to the set width of the corresponding light incident surface, so that a high beam light shape with a plurality of pixels of a specific width can be formed, and each light incident surface can be formed.
  • the set width can be set so that the width of multiple pixels decreases from the outer region of the light shape to the central region of the light shape, so as to achieve narrow pixel width (high resolution) in the area near the front of the vehicle, and pixels in the areas on both sides in front of the vehicle. Wide (low resolution) high beam beam shape.
  • the high beam light shape is formed by a plurality of light shape constituent units arranged in sequence in the left and right direction. If the light shape constituent units are just connected to each other, the width of the pixel is the same as the width of the corresponding light shape constituent unit, but , in this case, there will be an obvious light-dark boundary between each pixel, which makes the uniformity of the high beam light shape poor. Therefore, in order to make the transition between each pixel uniform, there will be a Partially superimposed, at this time, the width of the light-shaped component unit should be larger than the width of the corresponding pixel. The width of each light shape component unit corresponds to the set width of its corresponding light incident surface.
  • the The set width of each light incident surface is set to obtain light shape component units with different widths, so as to form a high beam light shape with a plurality of pixels with a specific width.
  • Figures 7 and 9 are schematic diagrams of light shape simulation of the above-mentioned vehicle high beam module applied to the left and right headlights, respectively, and Figures 8 and 10 are respectively the application of the above-mentioned vehicle high beam module to the left and right headlights.
  • a schematic diagram of a light shape line shown in Figure 7 and Figure 9, the superposition of the two light shapes constitutes the entire high beam light shape of the vehicle, and the area where the light hitting the areas on both sides of the front of the vehicle is projected on the light distribution screen is
  • the outer region of the light shape, the left region in Figure 7 and the right region in Figure 9 are the outer region of the light shape, and the light hitting the area near the front of the vehicle is projected on the configuration
  • the area on the light screen is the center area of the light shape in the light shape schematic diagrams shown in FIG. 7 and FIG. 9
  • the right area in FIG. 7 and the left area in FIG. 9 are the center area of the light shape.
  • the scale in the figure represents the width of each pixel, which is characterized by the angle of light irradiation. Therefore, when the vehicle lamp module of the present invention is applied to the left vehicle lamp, the set width of the light incident surface of each condensing unit 11 is set from right to left to be the same as the width of each pixel from left to right in FIG. 7 . Correspondingly, that is, the set widths of the light incident surfaces of the plurality of condensing units 11 decrease from right to left. Specifically, as shown in FIG.
  • each condensing unit 11 in the left area is close to the optical axis 30 of the tertiary lens,
  • the area where the light emitted by the light collecting units 11 in the left area is projected on the light distribution screen is located in the center area of the light shape, so the left area is called the center area.
  • the right area is far away from the tertiary lens.
  • the area where the light emitted by the light condensing units 11 in the right area is projected on the light distribution screen is located in the outer area of the light shape, so the right area is called the outer area.
  • the set width of the light incident surface of the plurality of light concentrating units 11 can be set according to the width of the light shape component unit required to be obtained, and there is not necessarily a size change.
  • the light shape constituent units are finally arranged to obtain a light shape whose pixel width decreases from the outer region of the light shape to the central region of the light shape; when the lamp module of the present invention is applied to the right vehicle lamp, the The set width of the light incident surface of the light unit 11 is set from left to right to correspond to the width of each pixel from right to left in FIG. It decreases from left to right. Specifically, as shown in FIG.
  • each condensing unit 11 in the right area is close to the optical axis 30 of the tertiary lens.
  • the right area is called the central area
  • the left area is far away from the tertiary lens.
  • the left area is called the outer area.
  • the light-shaped component units are partially superimposed. It can be set according to the width of the light-shaped component units required to be obtained, and there is not necessarily a trend of gradual size change, as long as each light-shaped component unit is finally arranged, the pixel width can be reduced from the outer region of the light shape to the central region of the light shape. light shape can be.
  • the set width of the light incident surface of each of the plurality of condensing units 11 is set to the width of the condensing unit 11 in the outer area.
  • the light incident surface is wide, and the light incident surface width of the condensing unit 11 in the central area is narrow.
  • the set widths of the light incident surfaces of the plurality of condensing units 11 decrease from the outer area to the central area, so that the left and right lights are farther away.
  • the front and rear lengths of the plurality of the light condensing units 11 are set so that the front and rear lengths of the light condensing units 11 in the outer area are longer, and the front and rear lengths of the light condensing units 11 in the center area are set to be longer.
  • the front and rear lengths of the light condensing units 11 are short, and the front and rear lengths of the plurality of light condensing units 11 decrease from the outer area to the central area. That is, as shown in FIG. 11 , the front and rear lengths of the plurality of light condensing units 11 decrease from right to left. small, and as shown in FIG. 12 , the front and rear lengths of the plurality of light condensing units 11 decrease from left to right.
  • the vehicle lamp module of the present invention can adopt a structure that can be used by the left and right lamps, that is, applied to the left lamp and the left and right lamps.
  • the primary lens 1 of the right lamp has the same structure, the set width of the light incident surfaces of the plurality of light condensing units 11 is set to be the width of the light incident surfaces of the light condensing units 11 in the outer area, and the width of the light condensing units 11 in the central area is set.
  • the width of the light incident surface is narrow, and the set width of the light incident surfaces of the plurality of light condensing units 11 decreases from the outer area to the central area.
  • the areas on the left and right sides of the plurality of light condensing units 11 are: In the outer area, the middle area is the central area, and the set widths of the light incident surfaces of the plurality of concentrating units 11 are reduced from the left and right side areas to the middle area, so that the high beam outgoing light shapes of the left and right lights can also be formed after superimposing.
  • the light-emitting light source 6 of the light module corresponding to the right outer area and the central area of the plurality of concentrating units 11 is turned on, and the left vehicle light is projected to form a light-shaped central area with a narrow pixel width, and the light-shaped outer area (the left-hand side of the light-shaped) area) a light shape with a wide pixel width;
  • the light source 6 of the vehicle high beam module in the right headlight that corresponds to the left outer area and the center area of the plurality of concentrating units 11 is turned on, and the right headlight is projected to form
  • the light shape with a narrow pixel width in the central area of the light shape, and a light shape with a wide pixel width in the outer area of the light shape (the area on the right side of the light shape) will form a complete high beam shape after the two are superimposed.
  • the light-emitting light sources 6 of the module corresponding to the central areas of the plurality of concentrating units 11 are all turned on, so that the central areas of the high-beam shape formed by the superposition of the left and right vehicle lights are superimposed, so that the center of the high-beam shape is superimposed.
  • the brightness is higher; the second is that the light sources 6 of the vehicle high beam module in the left and right headlights are all turned on, and the left and right headlights are projected to form a light shape with a narrow pixel width in the central area and a wide pixel width in the two sides.
  • the superposition of the two can also form a complete high beam shape.
  • the front and rear lengths of the plurality of the light condensing units 11 are set so that the front and rear lengths of the light condensing units 11 in the outer area (the left and right side areas) are longer.
  • the front and rear lengths of the light condensing units 11 in the central area (middle area) are short, and the front and rear lengths of the plurality of light condensing units 11 decrease from the outer area to the central area.
  • the secondary lens 2 has a certain degree of curvature in the left and right directions, that is, the secondary lens 2 has a certain degree of curvature in the left and right directions.
  • the longitudinal sectional line of the light incident surface of the lens 2 is a straight line or a curved convex backward, and the longitudinal sectional line of the light exit surface is a curved convex forward, so that the light emitted by the secondary lens 2 to each condensing unit 11 is Convergence is carried out in the up and down direction, so that more light can be incident on the tertiary lens 3, and the outer part of the secondary lens 2 corresponding to each light collecting unit 11 located in the outer area is bent forward, so that the secondary lens 2 is bent forward.
  • the light incident surface of the lens 2 is as close as possible to the light exit surface of each condensing unit 11, so that the outgoing light of each condensing unit 11 is more incident to the secondary lens 2, so as to improve the light output of each condensing unit 11.
  • the focal plane is theoretically a plane, but due to the influence of optical aberrations, especially field curvature aberrations, the focal plane of the tertiary lens 3 actually has a concave spherical curvature.
  • the light-emitting surface of 2 is set on the curved focal plane, and its image is the clearest.
  • the secondary lens 2 may also have no curvature, and its light shape effect can also meet the requirements.
  • the width of the secondary lens 2 in the left-right direction is greater than the width of the primary lens 1 in the left-right direction, and both the left and right sides thereof are bent forward, so that the secondary lens 2 can be applied to the left vehicle lamp. , and can also be applied to the right lamp, reducing the cost of molds and improving the versatility of parts.
  • each of the light-emitting light sources 6 is an LED light source, and each of the light-emitting light sources 6 is arranged at the focal point of each of the light condensing units 11 corresponding thereto.
  • the light-emitting light source 6 located on the right side of the optical axis 30 of the tertiary lens is located on the right side of the optical axis of the corresponding light collecting unit 11
  • the light-emitting light source 6 located on the left side of the optical axis 30 of the tertiary lens is set on the left side of the optical axis of the corresponding light-converging unit 11, as shown in FIG. 15, so that the light-emitting light source 6 shown in FIG.
  • the light emitted from the light source 6 passes through the condensing unit 11 , and more light enters the tertiary lens 3 . Therefore, the utilization rate of light can be further improved.
  • the vehicle high beam light module is a vehicle light module independent of the vehicle low beam light module, it is different from the vehicle light module integrating the high beam and low beam.
  • the vehicle light is in the low beam lighting module mode, the Looking from the front, the low beam light module of the vehicle is emitting light, while the high beam light module of the vehicle is not emitting light. Therefore, in order to realize that the vehicle light is in the low beam lighting mode, the high beam light module of the vehicle also emits light.
  • the vehicle high beam module can be additionally provided with a low beam auxiliary lighting unit, the low beam auxiliary lighting unit does not participate in low beam lighting, and its function is only to look at the vehicle in front of the vehicle When the lamp is on, the tertiary lens 3 is bright for the appearance effect.
  • the low beam auxiliary lighting unit can be arranged above or below or on the left or right side of the secondary lens 2, preferably above the secondary lens 2, so that the outgoing light after the tertiary lens 3 can be Projected into the light shape area of the low beam light shape, so as not to affect the low beam lighting, as shown in Figure 16 to Figure 27.
  • the low beam auxiliary lighting unit includes a primary optical element 4 and an auxiliary lighting light source (not shown in the figure) corresponding to the primary optical element 4, and the light emitted by the auxiliary lighting light source passes through the The primary optical element 4 is incident on the tertiary lens 3 so that the tertiary lens 3 can be illuminated.
  • the primary optical element 4 has the function of converging the light emitted by the auxiliary lighting light source, and it can have various structures.
  • the primary optical element 4 has The primary light incident surface 41 and the primary light exit surface 42, a light channel is formed between the primary light incident surface 41 and the primary light exit surface 42 in the front-rear direction, and the primary light incident surface 41 is provided with a condensing cup structure 43, so
  • the outer contour surface of the condenser cup structure 43 is a curved surface whose diameter gradually increases from the rear to the front.
  • the primary light incident surface 41 is a flat surface
  • the primary light exit surface 42 is a curved surface that protrudes forward
  • the upper and lower heights of the primary light incident surface 41 are greater than the upper and lower heights of the primary light exit surface 42
  • the left and right width of the primary light incident surface 41 is smaller than the left and right width of the primary light exit surface 42, so as to save materials and reduce production costs.
  • the primary optical element 4 is provided with a condensing cup structure 43 on its primary light incident surface 41, so that the light converging effect is better, and the light utilization rate is also higher.
  • the primary optical element 4 has a primary light incident surface 41 and a primary light exit surface 42 , and the front and rear directions between the primary light incident surface 41 and the primary light exit surface 42 are A light channel is formed thereon, the primary light incident surface 41 is a plane, the primary light exit surface 42 is a curved surface that protrudes forward, and the upper and lower heights of the primary light incident surface 41 are smaller than the upper and lower heights of the primary light exit surface 42 Height, the left and right width of the primary light incident surface 41 is smaller than the left and right width of the primary light exit surface 42 .
  • the primary optical element 4 has a simple structure, can save materials, reduce production costs, and has a high light utilization rate.
  • the primary optical element 4 has a primary light incident surface 41 and a primary light exit surface 42 , and the front and rear directions between the primary light incident surface 41 and the primary light exit surface 42 are A light channel is formed thereon, the primary light incident surface 41 is a plane, the primary light exit surface 42 is a curved surface that protrudes forward, and the upper and lower heights of the primary light incident surface 41 are equal to the upper and lower heights of the primary light exit surface 42 Height, the left and right width of the primary light incident surface 41 is equal to the left and right width of the primary light exit surface 42 .
  • the primary optical element 4 has a simpler structure and easier processing.
  • two or more primary optical elements 4 can be arranged side by side along the left and right sides.
  • the two or more primary optical elements 4 and the secondary lens 2 can be formed into one body, so that the model of the lamp can be simplified.
  • the group structure makes the structure more compact and facilitates the positioning and installation of the primary optical element 4 .
  • FIG. 26 and FIG. 27 show that the two primary optical elements 4 and the secondary lens 2 are integrated into one body.
  • an auxiliary cylindrical lens 5 is provided in front of the primary optical element 4 , and the auxiliary cylindrical lens 5 is preferably a plano-convex cylindrical lens extending in the left-right direction. Since the upper and lower dimensions of the tertiary lens 3 are small, by arranging the auxiliary cylindrical lens 5 in front of the primary optical element 4, the light emitted from the primary optical element 4 can be converged in the up and down direction, so that more light can enter the tertiary Lens 3, thereby improving the light utilization rate of the low beam auxiliary lighting unit.
  • the auxiliary cylindrical lens 5 may also be a biconvex cylindrical lens.
  • a second aspect of the present invention further provides a vehicle headlamp, comprising the above vehicle high beam module.
  • the vehicle high beam module By arranging the vehicle high beam module, the small opening design of the light outlet of the vehicle headlamp and the high beam shape with narrow pixel width in the area near the front of the vehicle and wide pixel width in the areas on both sides in front of the vehicle can be realized.
  • a third aspect of the present invention also provides a vehicle, comprising the above-mentioned vehicle headlamp.
  • a high-beam beam shape with narrow pixel width in the area near the front of the vehicle and wide pixel width in the areas on both sides in front of the vehicle can be realized.

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Abstract

一种车辆远光灯模组，包括多个发光光源(6)以及包括至少两级透镜的透镜组，透镜组中的一级透镜(1)包括多个并排设置、具有设定宽度的入光面的聚光单元(11)，各发光光源(6)发出的光线依次经一级透镜(1)、透镜组中的其它透镜后形成多个光形组成单元，多个光形组成单元依次排列成具有多个像素的远光光形，且各光形组成单元的宽度与各自对应的入光面的设定宽度相对应，各入光面的设定宽度设定为使得多个像素的宽度由光形外侧区域向光形中心区域减小。此外，还公开了一种车辆前照灯及车辆。能够实现小开口设计以及车辆正前方附近区域像素宽度窄、车辆前方的两侧区域像素宽度宽的远光光形。

Description

车辆远光灯模组、车辆前照灯及车辆
相关申请的交叉引用
本申请要求2020年7月17提交的中国专利申请202010690413.2的权益，该申请的内容通过引用被合并于本文。
技术领域
本发明涉及车灯，具体地，涉及一种车辆远光灯模组。此外，本发明还涉及一种车辆前照灯及车辆。
背景技术
行车安全日益受到人们的关注，每年由于远光灯使用不当带来的行车事故不在少数，例如，在夜间行驶时，在会车或前方有车辆行驶时，通常为了防止炫目需要把远光灯切换为近光灯，或者在超越前方车辆时，为了不给前方车辆造成困扰而切换成近光灯。但这样做却存在超车时明明需要尽量看得更远、却不能使用远光灯的矛盾，具有一定的危险性。
现有技术中，具有防炫目功能的车辆远光灯模组能够解决上述问题，所谓具有防炫目功能的车辆远光灯模组，其可以将对方或前方车辆所在的区域形成暗区，而其他照明区域无影响，可以在避免干扰其他车辆的同时还能充分照亮自身车辆前方的道路，提高夜间行车的安全性。例如，申请日为2017年9月14日、公告号为CN207527498U的实用新型专利公开了一种车用光学模组，其包括多组准直透镜单元和二级透镜，各组所述准直透镜单元呈矩阵列式一排间隔排布，相邻两个所述准直透镜的出光面之间无连接地相互间隔一个出光面宽度的距离；入光侧间隔处有材料连接，使分散间隔的准直透镜连成一体。通过采用两个上述车用光学模组配合可以形成具有多个连续光斑的光形。再例如，申请日为2018年4月13日、公告号为CN207962511U的实用新型专利公开了一种光学模组，其包括聚光器和多个远光光源，聚光器包括多个导光件，各所述导光件的入光端与各所述远光光源一一对应设置，各所述导光件的出光端汇聚在一起并形成弧形的出光部。通过控制不同的远光光源控制车灯射出的光线的照射区域，从而避免光线直接照射到对向的车辆，从而解决对向车辆中的驾驶员因远光灯照射而产生目眩的问题。
上述车辆远光灯模组均可以形成具有多个像素的远光光形，通过控制光源的亮灭来实现远光防眩目功能，但它们还存在以下不足：
1、随着汽车行业的发展逐渐成熟和稳定，车灯模组的种类越来越多样化，在车灯模组的综合性能方面，客户提出了越来越多的要求，对车灯模组的尺寸要求也是越来越高，然而现有技术中的聚光器的出光面较大，导致其对应的透镜尺寸也很大，导致车灯 前侧用于出光的出光口的上下开口尺寸很大，无法满足客户对车灯外观的要求；
2、一般来说，车辆前方的车辆或行人位于车道的正前方，需要根据车辆或行人所在的区域控制相应光源关闭形成暗区，该区域的光形分辨率越高，即该区域的光形包含像素的数量越多，像素宽度越窄，暗区的宽度就越容易控制，使其与车辆或行人所在区域的宽度相吻合；而对于车道前方两侧车辆或行人较少，该区域的光形分辨率没有必要很高，因此，理想的多像素远光光形应是两侧像素宽度宽中间像素宽度窄的光形。而现有技术的车辆远光灯模组形成的具有多像素的远光光形，因其聚光器特有的结构使得多个像素的像素宽度基本一致，使得车辆在行驶道路上时，车道正前方和车道前方两侧的光形分辨率都很高，即像素宽度均很窄，无法实现两侧像素宽度宽中间像素宽度窄的远光光形，并且，光源数量很多，导致模组成本也高。
发明内容
本发明第一方面所要解决的技术问题是提供一种车辆远光灯模组，能够实现车辆前照灯出光口的小开口设计以及实现车辆正前方附近区域像素宽度窄、车辆前方的两侧区域像素宽度宽的远光光形。
本发明第二方面所要解决的技术问题是提供一种车辆前照灯，能够实现小开口设计以及实现车辆正前方附近区域像素宽度窄、车辆前方的两侧区域像素宽度宽的远光光形。
本发明第三方面所要解决的技术问题是提供一种车辆，能够实现车辆正前方附近区域像素宽度窄、车辆前方的两侧区域像素宽度宽的远光光形。
为了解决上述技术问题，本发明第一方面提供一种车辆远光灯模组，包括多个发光光源以及透镜组，所述透镜组设在所述发光光源发出光线的出射方向上，且包括至少两级透镜，所述透镜组中的一级透镜包括多个并排设置、具有设定宽度的入光面的聚光单元，各所述聚光单元的入光面与各所述发光光源一一对应，各所述发光光源发出的光线能够依次经所述一级透镜、所述透镜组中的其它透镜后而形成多个光形组成单元，所述多个光形组成单元依次排列成具有多个像素的远光光形，且各所述光形组成单元的宽度与各自对应的所述入光面的设定宽度相对应，其中，各所述入光面的设定宽度设定为使得所述多个像素的宽度由光形外侧区域向光形中心区域减小。
优选地，多个所述聚光单元的入光面的设定宽度设定为由外侧区域向中心区域减小。
优选地，多个所述聚光单元的前后长度设定为由外侧区域向中心区域减小。
优选地，各所述聚光单元均为平凸透镜，各所述聚光单元的入光面为平面，其出光面为向前凸出的曲面，各所述聚光单元连为一体。
优选地，所述透镜组包括沿所述发光光源发出光线的出射方向依次设置的一级透镜、二级透镜和三级透镜，所述二级透镜能够对一级透镜射出的光线在上下方向上进行 汇聚。
优选地，所述二级透镜为左右方向延伸的平凸柱面透镜，或者所述二级透镜的入光面的纵截线为直线，其出光面的纵截线为向前凸出的曲线，且所述二级透镜的外侧部分向前弯曲。
优选地，所述三级透镜为平凸透镜或双凸透镜。
优选地，各所述发光光源均为LED光源，各所述发光光源设在与其对应的各所述聚光单元的焦点上。
优选地，位于所述三级透镜的光轴右侧的发光光源设在与其对应的聚光单元的光轴右侧，位于所述三级透镜的光轴左侧的发光光源设在与其对应的聚光单元的光轴左侧。
优选地，所述二级透镜的上方或下方或左侧或右侧设有近光辅助点亮单元。
优选地，所述近光辅助点亮单元包括初级光学元件和与所述初级光学元件对应的辅助点亮光源，所述辅助点亮光源发出的光线经所述初级光学元件后入射至所述三级透镜，以使所述三级透镜能够被点亮。
优选地，所述初级光学元件前方设有辅助柱面透镜，所述辅助柱面透镜为左右方向延伸的平凸柱面透镜。
优选地，所述初级光学元件具有初级入光面和初级出光面，所述初级入光面和初级出光面之间前后方向上形成有光通道，所述初级入光面上设有聚光杯结构，所述聚光杯结构的外部轮廓面为由后向前口径逐渐增大的曲面。
优选地，所述初级入光面为平面，所述初级出光面为向前凸出的曲面，且所述初级入光面的上下高度大于所述初级出光面的上下高度，所述初级入光面的左右宽度小于所述初级出光面的左右宽度。
优选地，所述初级光学元件具有初级入光面和初级出光面，所述初级入光面和初级出光面之间前后方向上形成有光通道，所述初级入光面为平面，所述初级出光面为向前凸出的曲面，且所述初级入光面的上下高度小于所述初级出光面的上下高度，所述初级入光面的左右宽度小于所述初级出光面的左右宽度。
优选地，所述初级光学元件具有初级入光面和初级出光面，所述初级入光面和初级出光面之间前后方向上形成有光通道，所述初级入光面为平面，所述初级出光面为向前凸出的曲面，且所述初级入光面的上下高度等于所述初级出光面的上下高度，所述初级入光面的左右宽度等于所述初级出光面的左右宽度。
优选地，所述二级透镜的上方设有近光辅助点亮单元，所述近光辅助点亮单元包括两个或两个以上沿左右方向并排设置且连为一体的初级光学元件和与各所述初级光学元件一一对应的辅助点亮光源，所述初级光学元件具有初级入光面和初级出光面，所述初级入光面和初级出光面之间前后方向上形成有光通道，两个或两个以上所述初级光学元件与所述二级透镜形成为一体。
本发明第二方面还提供一种车辆前照灯，包括上述车辆远光灯模组。
本发明第三方面还提供一种车辆，包括上述车辆前照灯。
本发明通过设置包括至少两级透镜的透镜组，利用多级透镜的汇聚作用，可以将发光光源发出的光线尽可能多的收集起来，能够提高光线利用率，且能够将最后一级的透镜的上下尺寸做小，从而减小整个车灯模组的上下尺寸，实现车辆前照灯出光口的小开口设计；本发明的一级透镜包括多个并排设置、具有设定宽度的入光面的聚光单元，能够使得各发光光源发出的光线依次经一级透镜、透镜组中的其它透镜后而形成多个光形组成单元，各光形组成单元的宽度与各自对应的入光面的设定宽度相对应，从而可以形成具有多个特定宽度像素的远光光形，且各入光面的设定宽度能够设定为使得多个像素的宽度由光形外侧区域向光形中心区域减小，从而实现车辆正前方附近区域像素宽度窄、车辆前方的两侧区域像素宽度宽的远光光形。
本发明的其他特征和优点将在随后的具体实施方式部分予以详细说明。
附图说明
图1是本发明一种实施方式的立体结构示意图1；
图2是本发明一种实施方式的立体结构示意图2；
图3是图2的俯视图；
图4是图3的A-A剖面图；
图5是图2的侧视图；
图6是图5的B-B剖面图；
图7是本发明一种实施方式应用于左车灯的光形模拟示意图；
图8是本发明一种实施方式应用于左车灯的光形线条示意图；
图9是本发明一种实施方式应用于右车灯的光形模拟示意图；
图10是本发明一种实施方式应用于右车灯的光形线条示意图；
图11是本发明另一种实施方式应用于左车灯的俯视图；
图12是本发明另一种实施方式应用于右车灯的俯视图；
图13是本发明另一种实施方式应用于左车灯和右车灯的俯视图；
图14是本发明另一种实施方式的俯视图，其中发光光源的光轴与对应的聚光单元的光轴重合；
图15是本发明另一种实施方式的俯视图，其中位于三级透镜的光轴的右侧的发光光源设在与其对应的聚光单元的光轴右侧；
图16是本发明又一种实施方式的立体结构示意图1；
图17是本发明又一种实施方式的立体结构示意图2；
图18是图17的俯视图；
图19是图18的C-C剖面图；
图20是本发明又一种实施方式中初级光学元件的一种立体结构示意图1；
图21是本发明又一种实施方式中初级光学元件的一种立体结构示意图2；
图22是本发明又一种实施方式中初级光学元件的另一种立体结构示意图1；
图23是本发明又一种实施方式中初级光学元件的另一种立体结构示意图2；
图24是本发明又一种实施方式中初级光学元件的又一种立体结构示意图1；
图25是本发明又一种实施方式中初级光学元件的又一种立体结构示意图2；
图26是本发明再一种实施方式的立体结构示意图；
图27是本发明再一种实施方式的俯视图。
附图标记说明
1一级透镜                      11聚光单元
2二级透镜                      3三级透镜
30三级透镜的光轴               4初级光学元件
41初级入光面                   42初级出光面
43聚光杯结构                   5辅助柱面透镜
6发光光源
具体实施方式
在本发明的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“左”、“右”等指示的方位或位置关系均为基于附图16所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
以下结合附图对本发明的具体实施方式进行详细说明。应当理解的是，此处所描述的具体实施方式仅用于说明和解释本发明，并不用于限制本发明。
如图1至图27所示，本发明提供一种车辆远光灯模组，包括多个发光光源6以及透镜组，所述透镜组设在所述发光光源6发出光线的出射方向上，且包括至少两级透镜，所述透镜组中的一级透镜1包括多个并排设置、具有设定宽度的入光面的聚光单元11，各所述聚光单元11的入光面与各所述发光光源6一一对应，各所述发光光源6发出的光线能够依次经所述一级透镜1、所述透镜组中的其它透镜后而形成多个光形组成单元，所述多个光形组成单元依次排列成具有多个像素的远光光形，且各所述光形组成单元的宽度与各自对应的所述入光面的设定宽度相对应，其中，各所述入光面的设定宽度设定为使得所述多个像素的宽度由光形外侧区域向光形中心区域减小。
本发明通过设置包括至少两级透镜的透镜组，可形成多个光形组成单元，多个光形组成单元依次排列后能够形成光形连续的远光光形，同时，利用多级透镜的汇聚作用，可以将发光光源6发出的光线尽可能多的收集起来，能够提高光线利用率，且能够将最后一级的透镜的上下尺寸做小，从而减小整个车灯模组的上下尺寸，实现车辆前照灯的 小开口设计。其中，所述透镜组优选包括沿所述发光光源6发出光线的出射方向依次设置的一级透镜1、二级透镜2和三级透镜3，一级透镜1包括多个聚光单元11，各聚光单元11能够对发光光源6发出的光线在上下左右方向进行汇聚，各聚光单元11优选为平凸透镜，即各聚光单元11的入光面为平面，其出光面为向前凸出的曲面，各聚光单元11连为一体，二级透镜2能够对各聚光单元11射出的光线在上下方向上进行汇聚，以使更多光线能够入射至所述三级透镜3，使得三级透镜3的上下尺寸可以做小。二级透镜2优选为左右方向延伸的平凸柱面透镜，该二级透镜2的入光面的纵截线为直线，其纵截线为入光面被前后方向延伸的竖直平面所截的截线，出光面的纵截线为向前凸出的曲线，其纵截线为出光面被前后方向延伸的竖直平面所截的截线，以实现二级透镜2对各聚光单元11射出的光线在上下方向上进行汇聚，以使更多光线能够入射至所述三级透镜3，当然，二级透镜2也可以为双凸柱面透镜；三级透镜3可以为普通透镜，例如为平凸透镜或双凸透镜。
本发明的一级透镜1包括多个并排设置、具有设定宽度的入光面的聚光单元11，能够使得各发光光源6发出的光线依次经一级透镜1、透镜组中的其它透镜后而形成多个光形组成单元，各光形组成单元的宽度与各自对应的入光面的设定宽度相对应，从而可以形成具有多个特定宽度像素的远光光形，且各入光面的设定宽度能够设定为使得多个像素的宽度由光形外侧区域向光形中心区域减小，从而实现车辆正前方附近区域像素宽度窄(分辨率高)、车辆前方的两侧区域像素宽度宽(分辨率低)的远光光形。
需要说明的是，远光光形是由多个光形组成单元沿左右方向依次排列形成，如果各光形组成单元恰好相互衔接，则像素的宽度与其对应的光形组成单元的宽度相同，但是，这种情况下，各像素之间会有明显的明暗分界线，使得远光光形均匀性较差，因此，为了使各像素之间的衔接过渡均匀，各光形组成单元之间会有部分叠加，此时，光形组成单元的宽度应该大于与其对应像素的宽度。而各光形组成单元的宽度与各自对应的入光面的设定宽度相对应，因此，为了实现车辆正前方附近区域像素宽度窄、车辆前方的两侧区域像素宽度宽的光形，可通过设定各入光面的设定宽度来得到具有不同宽度的光形组成单元，以形成具有多个特定宽度的像素的远光光形。
图7和图9分别为上述车辆远光灯模组应用于左、右车灯的一种光形模拟示意图，图8和图10分别为上述车辆远光灯模组应用于左、右车灯的一种光形线条示意图，参见图7和图9所示，两者光形叠加构成车辆的整个远光光形，射至车辆前方两侧区域的光线投射在配光屏幕上的所在区域为图7和图9所示的光形示意图中的光形外侧区域，图7中左侧区域和图9中右侧区域即为光形外侧区域，射至车辆正前方附近区域的光线投射在配光屏幕上的所在区域为图7和图9所示的光形示意图中的光形中心区域，图7中右侧区域和图9中左侧区域即为光形中心区域。其中，图中刻度表示的是各个像素的宽度，其以光线照射的角度来表征，图7中各像素的宽度大小从左(光形外侧区域)向右(光形中心区域)减小，对应地，当本发明车灯模组应用于左车灯时，各聚光单元11 的入光面的设定宽度从右向左设定为与图7中各像素宽度大小从左向右一一对应，即多个聚光单元11的入光面的设定宽度从右向左减小，具体如图11所示，由于左侧区域的各聚光单元11靠近三级透镜的光轴30，经该左侧区域的各聚光单元11射出的光线投射在配光屏幕上的区域位于光形中心区域，因此将该左侧区域称为中心区域，相应地，右侧区域远离三级透镜的光轴30，经该右侧区域的各聚光单元11射出的光线投射在配光屏幕上的区域位于光形外侧区域，因此将该右侧区域称为外侧区域，但是，为了像素之间的均匀衔接，使各光形组成单元之间部分叠加，多个聚光单元11的入光面的设定宽度可根据其所需得到的光形组成单元的宽度设定，并不一定有大小递变趋势，只要各光形组成单元最终排列后能够得到由光形外侧区域向光形中心区域像素宽度减小的光形即可；当本发明车灯模组应用于右车灯时，各聚光单元11的入光面的设定宽度从左向右设定为与图9中各像素宽度大小从右向左一一对应，即多个聚光单元11的入光面的设定宽度从左向右减小，具体如图12所示，右侧区域的各聚光单元11靠近三级透镜的光轴30，同样，将该右侧区域称为中心区域，左侧区域远离三级透镜的光轴30，将该左侧区域称为外侧区域，但是，为了像素之间的均匀衔接，使各光形组成单元之间部分叠加，多个聚光单元11的入光面的设定宽度可根据其所需得到的光形组成单元的宽度设定，并不一定有大小递变趋势，只要各光形组成单元最终排列后能够得到由光形外侧区域向光形中心区域像素宽度减小的光形即可。由此，当本发明的车辆远光灯模组应用于左车灯和右车灯时，多个各聚光单元11的入光面的设定宽度设定为外侧区域的聚光单元11的入光面宽，且中心区域的聚光单元11的入光面宽度窄，多个聚光单元11的入光面的设定宽度由外侧区域向中心区域减小，从而使得左右车灯的远光出射光形叠加后能够形成车辆正前方附近区域像素宽度窄、车辆前方的两侧区域像素宽度宽的远光光形。另外，为了使得各聚光单元11的焦点在同一直线上，多个所述聚光单元11的前后长度设定为外侧区域的所述聚光单元11的前后长度长，且中心区域的所述聚光单元11的前后长度短，多个所述聚光单元11的前后长度由外侧区域向中心区域减小，即如图11所示，多个聚光单元11的前后长度从右向左减小，以及如图12所示，多个聚光单元11的前后长度从左向右减小。
优选地，为了防止本发明的车辆远光灯模组安装在左右车灯上时出现装错的情况，本发明车灯模组可以采用左右灯都能使用的结构，即应用于左车灯和右车灯的一级透镜1结构相同，多个聚光单元11的入光面的设定宽度设定为外侧区域的聚光单元11的入光面宽，且中心区域的聚光单元11的入光面宽度窄，多个所述聚光单元11的入光面的设定宽度由外侧区域向中心区域减小，具体如图13所示，多个聚光单元11的左右两侧区域为外侧区域，其中间区域为中心区域，多个聚光单元11的入光面的设定宽度从左右两侧区域向中间区域减小，使得左右车灯的远光出射光形叠加后同样能够形成车辆正前方附近区域像素宽度窄、车辆前方的两侧区域像素宽度宽的远光光形，这种结构形式的远光出射光形有两种实现方式，一是左车灯中的该车辆远光灯模组的与多个聚光单元 11的右侧外侧区域和中心区域相对应的发光光源6打开，左车灯投射形成光形中心区域像素宽度窄，光形外侧区域(光形左侧区域)像素宽度宽的光形；右车灯中的该车辆远光灯模组的与多个聚光单元11的左侧外侧区域和中心区域相对应的发光光源6打开，右车灯投射形成光形中心区域像素宽度窄，光形外侧区域(光形右侧区域)像素宽度宽的光形，两者叠加后形成完整的远光光形，并且因为左右车灯中的该车辆远光灯模组的与多个聚光单元11的中心区域相对应的发光光源6均打开，使得左右车灯叠加后形成的远光光形的光形中心区域有叠加，从而使得远光光形的中心亮度更高；二是左右车灯中的该车辆远光灯模组的发光光源6均全部打开，左右车灯均投射形成光形中心区域像素宽度窄，两侧区域像素宽度宽的光形，两者叠加后亦可形成完整的远光光形。同样，为了使得各聚光单元11的焦点在同一直线上，多个所述聚光单元11的前后长度设定为外侧区域(左右两侧区域)的所述聚光单元11的前后长度长，且中心区域(中间区域)的所述聚光单元11的前后长度短，多个所述聚光单元11的前后长度由外侧区域向中心区域减小。
如图1至图6所示，由于各聚光单元11的前后长度尺寸不同，为了与各聚光单元11相适配，二级透镜2在左右方向上会有一定的弯曲度，即二级透镜2的入光面的纵截线为直线或向后凸出的曲线，出光面的纵截线为向前凸出的曲线，以实现二级透镜2对各聚光单元11射出的光线在上下方向上进行汇聚，以使更多光线能够入射至所述三级透镜3，并且，二级透镜2与位于外侧区域的各聚光单元11相对应的外侧部分向前弯曲，以使二级透镜2的入光面尽可能地靠近各聚光单元11的出光面，使得各聚光单元11的出射光线更多地入射至二级透镜2，以提高各聚光单元11的出射光线的光线利用率；同时，也要考虑二级透镜2的弯曲度尽量靠近三级透镜3的焦平面的弯曲度，从而能够形成清晰的光形。需要说明的是，焦平面在理论上是一个平面，但是由于受到光学像差尤其是场曲像差的影响，三级透镜3的焦平面实际上具有凹球面曲率，因此，若将二级透镜2的出光面设置在该弯曲的焦平面上，其成像最清晰。当然，二级透镜2也可以不具有弯曲度，其光形效果也可以满足要求。另外，优选地，二级透镜2在左右方向上的宽度大于一级透镜1左右方向上的宽度，且其左右两侧均向前弯曲，以使该二级透镜2既能够应用于左车灯，也能够应用于右车灯，减少了模具成本，提高了零部件的通用性。
优选地，各所述发光光源6均为LED光源，各所述发光光源6设在与其对应的各所述聚光单元11的焦点上。
为了进一步提高本发明的车辆远光灯模组的光线利用率，优选地，位于所述三级透镜的光轴30右侧的发光光源6设在与其对应的聚光单元11的光轴右侧，位于所述三级透镜的光轴30左侧的发光光源6设在与其对应的聚光单元11的光轴左侧，具体如图15所示，使得与图14所示的发光光源6的光轴与其对应的聚光单元11的光轴重合相比，发光光源6经聚光单元11后出射的光线更多的射入三级透镜3，因此，能够进一步提高光线利用率。
由于该车辆远光灯模组为独立于车辆近光灯模组的车灯模组，其不同于远近光一体的车灯模组，当车灯在近光照明模组模式下时，在车辆前方看去，车辆近光灯模组是发光的，而该车辆远光灯模组是不发光的，因此，为了实现车灯在近光照明模式下，该车辆远光灯模组也是发光的外观效果，在上述实施方式的基础上，该车辆远光灯模组可增加设置近光辅助点亮单元，该近光辅助点亮单元不参与近光照明，其作用仅是在车辆前方看车灯时，三级透镜3是亮的外观效果。近光辅助点亮单元可以设在所述二级透镜2的上方或下方或左侧或右侧，优选设置在所述二级透镜2的上方，使其经三级透镜3后的出射光线能够投射至近光光形的光形区域内，以不影响近光照明，具体如图16至图27所示。
具体地，所述近光辅助点亮单元包括初级光学元件4和与所述初级光学元件4对应的辅助点亮光源(图中未画出)，所述辅助点亮光源发出的光线经所述初级光学元件4后入射至所述三级透镜3，以使所述三级透镜3能够被点亮。
其中，所述初级光学元件4对辅助点亮光源发出的光线有汇聚的作用，其可以有多种结构，作为一种具体结构，如图16至图21所示，所述初级光学元件4具有初级入光面41和初级出光面42，所述初级入光面41和初级出光面42之间前后方向上形成有光通道，所述初级入光面41上设有聚光杯结构43，所述聚光杯结构43的外部轮廓面为由后向前口径逐渐增大的曲面。更具体地，所述初级入光面41为平面，所述初级出光面42为向前凸出的曲面，且所述初级入光面41的上下高度大于所述初级出光面42的上下高度，以使更多光线进入初级入光面41，所述初级入光面41的左右宽度小于所述初级出光面42的左右宽度，以节省材料，降低生产成本。该初级光学元件4通过在其初级入光面41上设置聚光杯结构43，使得对光线的汇聚效果更好，从而光线利用率也更高。
作为又一种具体结构，如图24和图25所示，所述初级光学元件4具有初级入光面41和初级出光面42，所述初级入光面41和初级出光面42之间前后方向上形成有光通道，所述初级入光面41为平面，所述初级出光面42为向前凸出的曲面，且所述初级入光面41的上下高度小于所述初级出光面42的上下高度，所述初级入光面41的左右宽度小于所述初级出光面42的左右宽度。该初级光学元件4结构简单，能够节省材料，降低生产成本，且光线利用率也高。
作为另一种具体结构，如图22和图23所示，所述初级光学元件4具有初级入光面41和初级出光面42，所述初级入光面41和初级出光面42之间前后方向上形成有光通道，所述初级入光面41为平面，所述初级出光面42为向前凸出的曲面，且所述初级入光面41的上下高度等于所述初级出光面42的上下高度，所述初级入光面41的左右宽度等于所述初级出光面42的左右宽度。该初级光学元件4结构更加简单，加工也更加容易。
由于上述各种结构的初级光学元件的前后尺寸与二级透镜的前后尺寸相差较大， 不便于初级光学元件的定位与安装，因此，可以将两个或两个以上初级光学元件4沿左右并排设置且连为一体，从而可以减小初级光学元件4前后方向的尺寸，此时，可以将该两个或两个以上初级光学元件4与二级透镜2形成为一体，从而可以简化车灯模组结构，使得结构更加紧凑，且便于初级光学元件4的定位安装。图26和图27所示为连为一体的两个初级光学元件4与二级透镜2形成为一体。
优选地，如图16至图19所示，所述初级光学元件4前方设有辅助柱面透镜5，所述辅助柱面透镜5优选为左右方向延伸的平凸柱面透镜。由于三级透镜3的上下尺寸小，通过在初级光学元件4的前方设置辅助柱面透镜5，可以将初级光学元件4的出射光线在上下方向上汇聚，能够使更多的光线射入三级透镜3，从而提高该近光辅助点亮单元的光线利用率。当然，辅助柱面透镜5也可以为双凸柱面透镜。
本发明第二方面还提供一种车辆前照灯，包括上述车辆远光灯模组。
通过设置所述车辆远光灯模组，能够实现车辆前照灯出光口的小开口设计以及实现车辆正前方附近区域像素宽度窄、车辆前方的两侧区域像素宽度宽的远光光形。
本发明第三方面还提供一种车辆，包括上述车辆前照灯。
通过设置所述车辆前照灯，能够实现车辆正前方附近区域像素宽度窄、车辆前方的两侧区域像素宽度宽的远光光形。
以上结合附图详细描述了本发明的优选实施方式，但是，本发明并不限于上述实施方式中的具体细节，在本发明的技术构思范围内，可以对本发明的技术方案进行多种简单变型，这些简单变型均属于本发明的保护范围。
另外需要说明的是，在上述具体实施方式中所描述的各个具体技术特征，在不矛盾的情况下，可以通过任何合适的方式进行组合，为了避免不必要的重复，本发明对各种可能的组合方式不再另行说明。
此外，本发明的各种不同的实施方式之间也可以进行任意组合，只要其不违背本发明的思想，其同样应当视为本发明所公开的内容。

Claims (19)

  1. 一种车辆远光灯模组，其特征在于，包括多个发光光源(6)以及透镜组，所述透镜组设在所述发光光源(6)发出光线的出射方向上，且包括至少两级透镜，所述透镜组中的一级透镜(1)包括多个并排设置、具有设定宽度的入光面的聚光单元(11)，各所述聚光单元(11)的入光面与各所述发光光源(6)一一对应，各所述发光光源(6)发出的光线能够依次经所述一级透镜(1)、所述透镜组中的其它透镜后而形成多个光形组成单元，所述多个光形组成单元依次排列成具有多个像素的远光光形，且各所述光形组成单元的宽度与各自对应的所述入光面的设定宽度相对应，其中，各所述入光面的设定宽度设定为使得所述多个像素的宽度由光形外侧区域向光形中心区域减小。
  2. 根据权利要求1所述的车辆远光灯模组，其特征在于，多个所述聚光单元(11)的入光面的设定宽度设定为由外侧区域向中心区域减小。
  3. 根据权利要求2所述的车辆远光灯模组，其特征在于，多个所述聚光单元(11)的前后长度设定为由外侧区域向中心区域减小。
  4. 根据权利要求1所述的车辆远光灯模组，其特征在于，各所述聚光单元(11)均为平凸透镜，各所述聚光单元(11)的入光面为平面，其出光面为向前凸出的曲面，各所述聚光单元(11)连为一体。
  5. 根据权利要求1至4中任一项所述的车辆远光灯模组，其特征在于，所述透镜组包括沿所述发光光源(6)发出光线的出射方向依次设置的一级透镜(1)、二级透镜(2)和三级透镜(3)，所述二级透镜(2)能够对一级透镜(1)射出的光线在上下方向上进行汇聚。
  6. 根据权利要求5所述的车辆远光灯模组，其特征在于，所述二级透镜(2)为左右方向延伸的平凸柱面透镜，或者所述二级透镜(2)的入光面的纵截线为直线，其出光面的纵截线为向前凸出的曲线，且所述二级透镜(2)的外侧部分向前弯曲。
  7. 根据权利要求5所述的车辆远光灯模组，其特征在于，所述三级透镜(3)为平凸透镜或双凸透镜。
  8. 根据权利要求5所述的车辆远光灯模组，其特征在于，各所述发光光源(6)均为LED光源，各所述发光光源(6)设在与其对应的各所述聚光单元(11)的焦点上。
  9. 根据权利要求5所述的车辆远光灯模组，其特征在于，位于所述三级透镜的光轴(30)右侧的发光光源(6)设在与其对应的聚光单元(11)的光轴右侧，位于所述三级透镜的光轴(30)左侧的发光光源(6)设在与其对应的聚光单元(11)的光轴左侧。
  10. 根据权利要求5所述的车辆远光灯模组，其特征在于，所述二级透镜(2)的上方或下方或左侧或右侧设有近光辅助点亮单元。
  11. 根据权利要求10所述的车辆远光灯模组，其特征在于，所述近光辅助点亮单元包括初级光学元件(4)和与所述初级光学元件(4)对应的辅助点亮光源，所述辅助点亮光源发出的光线经所述初级光学元件(4)后入射至所述三级透镜(3)，以使所述三级透镜(3)能够被点亮。
  12. 根据权利要求11所述的车辆远光灯模组，其特征在于，所述初级光学元件(4)前方设有辅助柱面透镜(5)，所述辅助柱面透镜(5)为左右方向延伸的平凸柱面透镜。
  13. 根据权利要求11所述的车辆远光灯模组，其特征在于，所述初级光学元件(4)具有初级入光面(41)和初级出光面(42)，所述初级入光面(41)和初级出光面(42)之间前后方向上形成有光通道，所述初级入光面(41)上设有聚光杯结构(43)，所述聚光杯结构(43)的外部轮廓面为由后向前口径逐渐增大的曲面。
  14. 根据权利要求13所述的车辆远光灯模组，其特征在于，所述初级入光面(41)为平面，所述初级出光面(42)为向前凸出的曲面，且所述初级入光面(41)的上下高度大于所述初级出光面(42)的上下高度，所述初级入光面(41)的左右宽度小于所述初级出光面(42)的左右宽度。
  15. 根据权利要求11所述的车辆远光灯模组，其特征在于，所述初级光学元件(4)具有初级入光面(41)和初级出光面(42)，所述初级入光面(41)和初级出光面(42)之间前后方向上形成有光通道，所述初级入光面(41)为平面，所述初级出光面(42)为向前凸出的曲面，且所述初级入光面(41)的上下高度小于所述初级出光面(42)的上下高度，所述初级入光面(41)的左右宽度小于所述初级出光面(42)的左右宽度。
  16. 根据权利要求11所述的车辆远光灯模组，其特征在于，所述初级光学元件(4)具有初级入光面(41)和初级出光面(42)，所述初级入光面(41)和初级出光面(42) 之间前后方向上形成有光通道，所述初级入光面(41)为平面，所述初级出光面(42)为向前凸出的曲面，且所述初级入光面(41)的上下高度等于所述初级出光面(42)的上下高度，所述初级入光面(41)的左右宽度等于所述初级出光面(42)的左右宽度。
  17. 根据权利要求10所述的车辆远光灯模组，其特征在于，所述二级透镜(2)的上方设有近光辅助点亮单元，所述近光辅助点亮单元包括两个或两个以上沿左右方向并排设置且连为一体的初级光学元件(4)和与各所述初级光学元件(4)一一对应的辅助点亮光源，所述初级光学元件(4)具有初级入光面(41)和初级出光面(42)，所述初级入光面(41)和初级出光面(42)之间前后方向上形成有光通道，两个或两个以上所述初级光学元件(4)与所述二级透镜(2)形成为一体。
  18. 一种车辆前照灯，其特征在于，包括权利要求1至17中任一项所述的车辆远光灯模组。
  19. 一种车辆，其特征在于，包括权利要求18所述的车辆前照灯。
PCT/CN2021/106540 2020-07-17 2021-07-15 车辆远光灯模组、车辆前照灯及车辆 WO2022012634A1 (zh)

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