WO2022001239A1 - 一种车灯光学组件、车灯模组、车灯及车辆 - Google Patents

一种车灯光学组件、车灯模组、车灯及车辆 Download PDF

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Publication number
WO2022001239A1
WO2022001239A1 PCT/CN2021/083317 CN2021083317W WO2022001239A1 WO 2022001239 A1 WO2022001239 A1 WO 2022001239A1 CN 2021083317 W CN2021083317 W CN 2021083317W WO 2022001239 A1 WO2022001239 A1 WO 2022001239A1
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WIPO (PCT)
Prior art keywords
light
optical unit
low beam
primary optical
primary
Prior art date
Application number
PCT/CN2021/083317
Other languages
English (en)
French (fr)
Inventor
李萌
陈向前
陈兆禹
李应
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.)
Filing date
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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 EP21832908.4A priority Critical patent/EP4130556A4/en
Priority to US17/928,430 priority patent/US11898714B2/en
Publication of WO2022001239A1 publication Critical patent/WO2022001239A1/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]
    • 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
    • F21S41/20—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
    • F21S41/10—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
    • F21S41/255—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
    • F21S41/25—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
    • F21S41/25—Projection lenses
    • F21S41/265—Composite lenses; Lenses with a patch-like shape
    • 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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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

Definitions

  • the present invention relates to a vehicle lamp, in particular, to a vehicle lamp optical assembly.
  • the present invention also relates to a vehicle lamp module, a vehicle lamp and a vehicle.
  • the reflective lighting system includes a light source and a reflector. After the light emitted by the light source is reflected by the reflector, it directly passes through the external mirror to form the lighting of the vehicle;
  • the lens-type lighting system includes a light source, a reflector and a lens, and the light emitted by the light source passes through Reflected by the mirror, and then imaged by the lens, the far and near light required for vehicle lighting is finally formed through the external mirror.
  • the above-mentioned lens-type and reflection-type lighting systems have a single form, and are limited by the size of the lens or reflector, and the opening of the far and near beam modules of the lamp (the opening of the far and near beam modules of the vehicle lamp refers to the height of the light-emitting side of the module) It is difficult to make it small, which leads to the inability to achieve a more miniaturized and diversified design of the headlight in terms of volume and shape.
  • the technical problem to be solved by the first aspect of the present invention is to provide an optical assembly for a vehicle light, which can realize the design of miniaturized volume and diversified shapes.
  • the technical problem to be solved by the second aspect of the present invention is to provide a vehicle lamp module, which can realize the design of miniaturized volume and diversified shapes.
  • the technical problem to be solved by the third aspect of the present invention is to provide a vehicle lamp, which can realize the design of miniaturized volume and diversified shapes.
  • the technical problem to be solved by the fourth aspect of the present invention is to provide a vehicle, which can realize the design of various shapes.
  • a first aspect of the present invention provides an optical assembly for a vehicle light, comprising: a primary optical unit or a primary optical unit group having a plurality of primary optical units arranged side by side, the primary optical unit comprising a light incident portion and a primary optical unit.
  • the light guide part has a light entrance part installation surface and a primary light exit surface, the light entrance part installation surface is provided with at least one of the light entrance parts, and the light entrance part is set so that the incident light can be Convergence and output to the light guide part, the light guide part is set to be able to guide the incoming light to exit from the primary light emitting surface;
  • the secondary optical unit the secondary optical unit has a secondary light emitting surface and a The secondary light incident surface corresponding to the primary light emitting surface, wherein the secondary light emitting surface is a narrow and long smooth curved surface.
  • the light guide portions of a plurality of the primary optical units in the primary optical unit group are connected as a whole, and the primary optical unit or the primary optical unit group is at least one of the left and right directions of the light guide portion.
  • An auxiliary light source is arranged on the side, and the light emitted by the auxiliary light source enters from the side surface of the light guide portion and exits from the primary light emitting surface.
  • a light condensing structure is provided between the auxiliary light source and the light guide portion.
  • the longitudinal section of the secondary light-emitting surface is an arc line that protrudes forward, and the transverse line is a straight line or a curved line extending in the left-right direction.
  • the light incident portion is a condensing cup structure
  • the outer contour surface of the light incident portion is a curved surface whose diameter gradually increases from back to front.
  • the upper and lower surfaces of the light guide portion are provided with pattern structures or coating layers.
  • the primary optical unit is a low beam inflection point primary optical unit, a low beam widening primary optical unit or a high beam primary optical unit
  • the primary optical unit group at least includes the low beam inflection point primary optical unit, the low beam widening primary optical unit One or more of an optical unit and a high beam primary optical unit.
  • the primary optical unit group includes a low beam inflection point primary optical unit, a low beam broadening primary optical unit and a high beam primary optical unit, and the low beam broadening primary optical unit is provided at the low beam inflection point primary optical unit and the far beam primary optical unit. light between primary optical units.
  • the light guide part of the low beam inflection point primary optical unit is a low beam light guide part
  • its primary light exit surface is a low beam primary light exit surface
  • the secondary light incident surface corresponding to the low beam primary light exit surface includes at least one
  • the low-beam secondary light incident surface is a curved surface that protrudes backwards
  • the low-beam secondary light-incident surface is in one-to-one correspondence with the light incident portion
  • the low-beam light guide portion is in one-to-one correspondence.
  • a low-beam inflection point cut-off line structure for forming a low-beam inflection point cut-off line is arranged on the front boundary of the lower surface of the .
  • the low beam inflection point cut-off line structure includes at least one left-hand drive cut-off line structure, or includes at least one right-hand drive cut-off line structure, or includes at least one left-hand drive cut-off line structure and at least one right-hand drive cut-off line structure, the The left-hand drive cut-off line structure and the right-hand drive cut-off line structure correspond to the light incident parts one-to-one.
  • the lower part of the front end of the low-beam light guide portion is provided with a III-area structure for forming a low-beam III-area light shape.
  • the rear end forms an upwardly concave groove, and the low beam inflection point cutoff line structure is formed at the junction of the III zone structure and the top of the groove.
  • the light guide part of the low beam widening primary optical unit is a low beam widening light guide part, the low beam widening light guide part and the secondary optical unit are connected as a whole, and the lower part of the low beam widening light guide part is integrated.
  • the surface is provided with a low beam widening cut-off line structure for forming a low beam widening cut-off line.
  • the lower portion of the front end of the low beam broadening light guide portion is provided with a III zone structure for forming a low beam III zone light shape, and the III zone structure is connected to the lower surface of the low beam broadening light guide portion and the near beam III zone structure.
  • the rear end of the light-stretching light guide portion forms an upwardly concave groove, and the low-beam-stretching cut-off line structure is formed at the junction of the III zone structure and the top of the groove.
  • the light guide part of the high beam primary optical unit is a high beam light guide part
  • its primary light exit surface is a high beam primary light exit surface
  • the secondary light incident surface corresponding to the high beam primary light exit surface includes at least one far beam
  • the secondary light incident surface of the high beam is a curved surface that protrudes backwards, and the secondary incident light surface of the high beam corresponds to the light incident part one-to-one.
  • the primary optical unit is a low beam inflection point primary optical unit, a low beam widening primary optical unit or a high beam primary optical unit
  • the primary optical unit group at least includes the low beam inflection point primary optical unit, the low beam widening primary optical unit One or more of an optical unit and a high beam primary optical unit
  • the light guide part of the low beam inflection point primary optical unit is a low beam light guide part
  • the light guide part of the low beam widening primary optical unit is a low beam widening
  • the light guide part, the lower part of the front end of the near-beam light guide part and the low-beam widening light guide part is provided with a III zone structure for forming a low beam III zone light shape, and the III zone light incident surface of the III zone structure is Has a concave-convex structure.
  • an auxiliary light source is provided on the side surface of the zone III structure of the low-beam light guide part or the low-beam broadening light guide part.
  • a second aspect of the present invention further provides a vehicle lamp module, comprising the vehicle lamp optical assembly described in the first aspect and at least one light source, wherein the light source corresponds to the light incident portion one-to-one.
  • the light sources can be independently controlled to be on and off.
  • a third aspect of the present invention further provides a vehicle lamp, including the vehicle lamp module described in the second aspect.
  • a fourth aspect of the present invention further provides a vehicle, comprising the vehicle lamp of the third aspect.
  • the secondary light emitting surface as a narrow and long, smooth and smooth curved surface with no step difference, and through the arrangement of the light incident part and the light guide part, the overall upper and lower height of the optical assembly of the vehicle light can be made small, Therefore, the miniaturized design of small openings can be realized in terms of volume; the shapes of the secondary light-emitting surfaces are varied and adaptable, which can meet the modeling requirements of different lamps and realize diversified designs in terms of modeling.
  • Fig. 1 is the front three-dimensional structure schematic diagram of an embodiment of the present invention
  • FIG. 2 is a schematic diagram 1 of the reverse three-dimensional structure of an embodiment of the present invention.
  • FIG. 3 is a schematic diagram 2 of the reverse three-dimensional structure of an embodiment of the present invention.
  • FIG. 4 is a schematic diagram three of the reverse three-dimensional structure of an embodiment of the present invention.
  • Fig. 5 is the bottom view of Fig. 1;
  • Fig. 6 is the A-A sectional view of Fig. 5;
  • Fig. 7 is the B-B sectional view of Fig. 5;
  • Fig. 8 is the C-C sectional view of Fig. 5;
  • FIG. 9 is a schematic diagram 4 of the reverse three-dimensional structure of an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of the low-beam inflection point cut-off line structure corresponding to D in FIG. 9;
  • FIG. 11 is a schematic structural diagram of a low-beam inflection point cutoff line of a low-beam inflection point primary optical unit in an embodiment of the present invention
  • FIG. 12 is a schematic structural diagram of another low-beam inflection point cutoff line of the low-beam inflection point primary optical unit in an embodiment of the present invention.
  • Figure 13 is an enlarged schematic view of the structure at E in Figure 12;
  • Figure 15 is a second structural schematic diagram of another embodiment of the present invention.
  • FIG. 16 is a schematic diagram of a light shape according to an embodiment of the present invention.
  • High beam primary optical unit 31 High beam light guide
  • orientation or positional relationship indicated by the terms “upper”, “lower”, “front”, “rear”, “left”, “right”, etc. are based on those shown in FIG. 2 .
  • the orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention .
  • the present invention provides an optical assembly for a vehicle light, comprising: a primary optical unit or a primary optical unit group having a plurality of primary optical units arranged side by side, the primary optical unit including a light incident portion 5 and a light guide portion, the light guide portion has a light incident portion mounting surface and a primary light exit surface, the light incident portion mounting surface is provided with at least one of the light incident portions 5, and the light incident portion 5 is set so that the light incident portion 5 can emit light.
  • the incoming light is collected and emitted to the light guide part, and the light guide part is set to be able to guide the incoming light to exit from the primary light-emitting surface; the secondary optical unit 4, the secondary optical unit 4 has a secondary optical unit 4 A secondary light exit surface 41 and a secondary light incident surface 42 corresponding to the primary light exit surface, wherein the secondary light exit surface 41 is a narrow and long smooth curved surface.
  • the secondary light-emitting surface 41 of the secondary optical unit 4 is the light-emitting surface of the entire vehicle light optical assembly.
  • the secondary light-emitting surface 41 It is a narrow and long, smooth and smooth curved surface with no step difference, and through the arrangement of the light incident part 5 and the light guide part, a better light condensing effect can be achieved in the upper and lower directions, so that the upper and lower heights of the secondary light exit surface 41 can be adjusted.
  • the upper and lower heights of the light incident part 5 and the light guide part can also be made very small, so that the overall upper and lower heights of the optical components of the headlight can be made very small, thereby realizing the miniaturization of small openings in terms of volume. design.
  • the secondary light-emitting surface 41 may be a cylindrical curved surface, that is, the longitudinal section of the secondary light-emitting surface 41 is an arc that protrudes forward, and the cross-sectional line is a straight line extending in the left-right direction, or the secondary light-emitting surface 41
  • the cross-sectional line of 1 is a curve extending in the left-right direction, and the secondary light-emitting surface 41 is formed by sweeping its longitudinal section along its cross-sectional line.
  • the secondary light-emitting surface 41 has various shapes and strong adaptability, which can meet the modeling requirements of different vehicle lights, and realize diversified designs in modeling.
  • the primary optical unit is a low beam inflection point primary optical unit 1 , a low beam widening primary optical unit 2 or a high beam primary optical unit 3 , and the primary optical unit group at least includes the low beam inflection point primary optical unit 1 , One or more of the low beam broadening primary optical unit 2 and the high beam primary optical unit 3 .
  • the low-beam inflection point primary optical unit 1 cooperates with the secondary optical unit 4 to form a low-beam central area light shape a with a low-beam inflection point cut-off line
  • the low-beam broadening primary optical unit 2 cooperates with the secondary optical unit 4 to form a low beam.
  • the light shape c of the low beam widening area of the widening cut-off line, the high beam primary optical unit 3 and the secondary optical unit 4 can cooperate to form the high beam light shape b, so that various lighting functions can be realized individually or at the same time to meet the diversification of vehicle lights. design requirements.
  • the optical assembly of the vehicle light includes a primary optical unit composed of a low beam inflection point primary optical unit 1 , a low beam widening primary optical unit 2 and a high beam primary optical unit 3
  • the unit group and a secondary optical unit 4 the low beam widening primary optical unit 2 is arranged between the low beam inflection point primary optical unit 1 and the high beam primary optical unit 3, which can form three light shapes as shown in Figure 16, Among them, the primary optical unit 1 and the secondary optical unit 4 at the low beam inflection point cooperate to form a light shape a in the central area of the low beam, and a1 in the figure is the cutoff line of the low beam inflection point in the light shape a in the central area of the low beam, which has an inflection point; the low beam broadens
  • the primary optical unit 2 cooperates with the secondary optical unit 4 to form a light shape c in the low beam widening area.
  • c1 is the low beam widening cut-off line of the light shape c in the low beam widening area, which is preferably a horizontal line; the high beam primary optical unit 3 and The secondary optical unit 4 cooperates to form a high beam shape b.
  • the structures of the plurality of primary optical units are different, and accordingly, the structures of the secondary light incident surfaces 42 corresponding to each primary optical unit are also different.
  • the specific structure of each primary optical unit will be described in detail below, and the structure of the secondary light incident surface 42 of the secondary optical unit 4 will be described in addition.
  • the light guide part of the low beam inflection point primary optical unit 1 is the low beam light guide part 11
  • the primary light exit surface is the low beam primary light exit surface 111
  • the light surface 42 includes four low-beam secondary light-incident surfaces 421 .
  • the low-beam secondary light-incident surfaces 421 are curved surfaces that protrude backwards.
  • a low-beam inflection point cut-off line structure 12 for forming a low-beam inflection point cut-off line is provided on the lower front boundary of the low-beam light guide portion 11 .
  • the low-beam inflection point cut-off line structure 12 By arranging the low-beam inflection point cut-off line structure 12 on the low-beam light guide portion 11, there is no need to use an additional shading plate for occlusion to form a cut-off line, and at the same time, there is no need to set a driving mechanism to drive the shading plate to realize the switching between far and near beams, eliminating mechanical failures and reducing
  • the components the structure is simplified, the space occupied is smaller, and the space utilization efficiency and light distribution efficiency are higher.
  • the shape of the low beam secondary light incident surface 421 can be determined by parameters such as the given secondary light exit surface 41, the focal point and the direction of the light emitted from the specific secondary light exit surface 41, through the law of refraction of light and the surface fitting method. beg.
  • the low beam secondary light incident surface 421 and its corresponding secondary light exit surface 41 together form a single focal point, so as to converge the light emitted from the low beam primary light exit surface 111 in the up, down, left and right directions to form a low beam inflection point cut-off line with an inflection point .
  • low-beam inflection point cut-off line structures 12 can be provided. At least one right-hand drive cut-off line structure 122, the left-hand drive cut-off line structure 121 and the right-hand drive cut-off line structure 122 are in one-to-one correspondence with the light incident portion 5, specifically as shown in FIG. 9 and FIG. 10, the low beam inflection point cut-off line
  • the structure 12 includes two left-hand drive cut-off line structures 121 and two right-hand drive cut-off line structures 122 that are connected in sequence.
  • the light When the light exits through the portion of the low beam primary light-emitting surface 111 corresponding to the left-hand drive cut-off line structure 121, the light will be cut off by the left-hand drive.
  • the line structure 121 is intercepted, so that the light rays are all emitted above the left-hand drive cut-off line structure 121, and then the secondary optical unit 4 is emitted to form a left-hand drive low-beam central area light shape with a left-hand drive low-beam inflection point cut-off line; the light passes through the right-hand drive.
  • the low beam primary light-emitting surface 111 corresponding to the cut-off line structure 122 When the low beam primary light-emitting surface 111 corresponding to the cut-off line structure 122 is partially emitted, the light will be intercepted by the right-hand drive cut-off line structure 122, so that the light is all emitted above the right-hand drive cut-off line structure 122, and then is emitted by the secondary optical unit 4 to form Right-hand drive low beam center area light shape with right-hand drive low beam inflection point cutoff. Therefore, by setting the left-hand drive cut-off line structure 121 and the right-hand drive cut-off line structure 122 in one vehicle light optical assembly, and performing operations such as dimming and switching light sources according to actual needs, it is possible to switch between left and right driving, so as to meet different requirements in the world.
  • the number of the left-hand drive cut-off line structure 121 and the right-hand drive cut-off line structure 122 can be set to one, or more than one can be set according to the illuminance requirements of the low-beam central area, which are preferably set at their corresponding focal points.
  • a plurality of identical left-hand drive cut-off line structures 121 or right-hand drive cut-off line structures 122 can be arranged in sequence along the left-right direction, and each left-hand drive cut-off line structure 121 or right-hand drive cut-off line structure 122 can be independently controlled.
  • the corresponding light source switch realizes the horizontal movement of the cut-off line of the low beam inflection point, that is, the movement of the low beam inflection point, which is used to realize the Adaptive Front Lighting System (AFS for short).
  • the low-beam inflection point cut-off line structure 12 in FIG. 11 includes four left-hand drive cut-off line structures 121 connected in sequence.
  • the low-beam inflection point cut-off line structure 12 includes four right-hand drive cut-off line structures 122 connected in sequence.
  • four right-hand drive cut-off line structures corresponding to each right-hand drive cut-off line structure 122 are provided on the installation surface of the light incident portion of the low beam light guide portion 11 .
  • Each light incident part 5 is provided with a light source at the light incident end of each light incident part 5, and the auxiliary lighting of the curve is realized by independently controlling the on-off of each light source.
  • the lower part of the front end of the low-beam light guide portion 11 is provided with a III-area structure 6 for forming a low-beam III-area light shape, and the III-area structure 6 is connected to the near-beam light guide.
  • the lower surface of the light portion 11 and the rear end of the low-beam light guide portion 11 form an upwardly recessed groove 7 , and the low-beam inflection point cut-off is formed at the junction of the III zone structure 6 and the top of the groove 7 .
  • Line structure 12 12.
  • a part of the light emitted from the light incident portion 5 enters the low beam light guide portion 11, is intercepted by the low beam inflection point cutoff line structure 12, and then projected by the secondary optical unit 4 to form a low beam center area with a low beam inflection point cutoff line Light shape a; another part of the light emitted from the light incident part 5 directly enters the structure 6 in zone III through the groove 7, and is projected by the secondary optical unit 4 to form the light shape of the low beam zone III.
  • the light guide part of the low beam widening primary optical unit 2 is the low beam widening light guide part 21 , because the low beam widening cut-off line of the light shape c in the low beam widening area is a horizontal line , does not have an inflection point, and the corresponding part of the secondary optical unit 4 may not have a single focal point, but a focal line composed of several focal points, that is, it is not necessary to set the secondary light incident surface 42 that protrudes backwards.
  • the low-beam widening light guide part 21 and the secondary optical unit 4 are preferably connected as one, and the lower surface of the low-beam widening light guide part 21 is provided with a cut-off line for forming low-beam widening.
  • the low beam broadening cut-off line structure is preferably arranged on the above-mentioned focal line.
  • the lower part of the front end of the low beam widening light guide part 21 is provided with a III zone structure 6 for forming a low beam III zone light shape, and the III zone structure 6 is connected to the lower surface of the low beam widening light guide part 21 And the rear end of the low-beam widening light guide portion 21 forms an upwardly concave groove 7 , and a low-beam widening cut-off line structure is formed at the junction of the III zone structure 6 and the top of the groove 7 .
  • a part of the light emitted from the light incident portion 5 enters the low beam broadening light guide portion 21, is intercepted by the low beam broadening cut-off line structure, and is projected by the secondary optical unit 4 to form a low beam broadening cut-off line.
  • Regional light shape c another part of the light emitted from the light incident part 5 directly enters the structure 6 in the region III through the groove 7, and is projected by the secondary optical unit 4 to form the light shape in the low beam region III.
  • the light guide part of the high beam primary optical unit 3 is the high beam light guide part 31
  • the primary light emitting surface is the high beam primary light emitting surface 311
  • the surface 42 includes six high-beam secondary light incident surfaces 422, the high-beam secondary light-incident surfaces 422 are curved surfaces that protrude backwards, and the high-beam secondary light-incident surfaces 422 are one-to-one with the light incident portion 5. correspond.
  • the light emitted from the light incident portion 5 enters the high beam light guide portion 31 , and is projected by the secondary optical unit 4 to form a high beam shape.
  • the road conditions can be sensed through the car sensor, and whether there are pedestrians or vehicles in the front or opposite lanes can be sensed.
  • ADB adaptive Driving Beam
  • the shape of the high beam secondary light incident surface 422 can be determined by parameters such as the given secondary light exit surface 41, the focal point and the direction of the light emitted from the specific secondary light exit surface 41, through the law of refraction of light and the surface fitting method. beg.
  • the difference between the high-beam light guide portion 31 and the low-beam light guide portion 11 is that the directions of the outgoing rays of the primary light-emitting surfaces are different to form their corresponding light shapes. It should be located below the high beam shape. Therefore, in this embodiment, the low beam inflection point cut-off line structure 12 is set on the lower front boundary of the low beam light guide portion 11, so that the outgoing light from the light incident portion 5 can pass through the low beam. The upper part of the inflection point cut-off line structure 12 is emitted, and is projected by the secondary optical unit 4 to form a light shape a in the low beam central area located below the high beam light shape b.
  • the above-mentioned low beam inflection point primary optical unit 1 , low beam widening primary optical unit 2 , and high beam primary optical unit 3 may be arranged separately, or may be connected as a whole.
  • the separate arrangement facilitates dimming between the primary optical units, and the integrated arrangement helps to improve the positioning and installation accuracy between the primary optical units.
  • the light guide parts of a plurality of the primary optical units in the primary optical unit group are connected as a whole, and the primary optical unit or the primary optical unit group is on the left and right of the light guide part
  • At least one side of the direction is provided with an auxiliary light source.
  • the auxiliary light source When the auxiliary light source is turned on, the light emitted by the auxiliary light source enters from the side of the light guide, exits from the primary light emitting surface, and finally exits through the secondary light emitting surface 41 .
  • the setting of the auxiliary light source can realize the function of daytime running light or the function of low beam zone III by adjusting the luminous flux of the auxiliary light source.
  • the auxiliary light source When applied to the daytime running light function, only the auxiliary light source is turned on, and the secondary light-emitting surface 41 is luminous when viewed from the outside, that is, the secondary light-emitting surface 41 is lit as a whole, so as to achieve the effect of lighting the whole light and realize the daytime running light function. .
  • the auxiliary light source and the light source corresponding to the light entrance part 5 are turned on at the same time.
  • the outgoing light of the auxiliary light source can be used alone or in conjunction with the light incident from the light incident surface 61 of the above-mentioned zone III to realize the light source that meets the regulatory requirements.
  • the illuminance and angle of the low beam zone III light shape When applied to the daytime running light function, only the auxiliary light source is turned on, and the secondary light-emitting surface 41 is luminous when viewed from the outside, that is, the secondary light-emitting surface 41 is lit as a whole, so as to achieve the effect of lighting the whole light and realize the
  • the optical assembly of the headlight includes a primary optical unit group consisting of a low beam inflection point primary optical unit 1 , a low beam widening primary optical unit 2 and a high beam primary optical unit 3 , and a primary optical unit group.
  • the secondary optical unit 4 wherein the low beam inflection point primary optical unit 2 is provided between the low beam inflection point primary optical unit 1 and the high beam primary optical unit 3, and the low beam inflection point primary optical unit 1 and the low beam inflection point primary optical unit 2 It is integrated with the light guide part of the high beam primary optical unit 3, and auxiliary light sources are respectively provided on both sides of the integrated light guide part in the left and right directions, and a condenser is provided between the auxiliary light source and the light guide part.
  • the light collecting structure 8 can be a light collecting cup structure or a A protruding structure protruding in the direction of the auxiliary light source.
  • the auxiliary light source is provided on one side of the zone III structure 6 of the low beam light guide portion 11 , and the light incident surface 61 of zone III of the zone III structure 6 of the low beam light guide portion 11 and the low beam broadening light guide portion 21 is provided.
  • a concave-convex structure 611 is provided on the top, and the concave-convex structure 611 may be a striped concave-convex structure as shown in FIG. 12 and FIG. 13 , a grid-shaped concave-convex structure, or a sawtooth-shaped concave-convex structure.
  • the concave-convex structure 611 can make the light emitted from the light incident surface 61 in the III region diverge, thereby improving the uniformity of the light shape in the low beam III region; on the other hand, when the auxiliary light sources on both sides are turned on, the auxiliary light sources emit light The light enters from the side of the light guide part, and is reflected by the light incident surface 61 in the III area and then exits from the primary light exit surface. Evenly emit to the secondary light emitting surface 41 to achieve the effects of uniform illumination and improved light utilization.
  • the light incident portion 5 is preferably a condensing cup structure, which can better converge the light in the up, down, left, and right directions.
  • the outer contour surface of the light incident portion 5 is from back to front.
  • the outer contour surface is a curved surface whose diameter gradually increases from back to front, and its interior has a concave cavity structure that is recessed forward, and a protrusion that protrudes backward is arranged in the concave cavity; or, the light incident portion 5 It is a convex structure that protrudes backwards.
  • the upper and lower surfaces of the light guide portion are provided with concave or convex pattern structures, so that more light emitted from the light guide portion can be reflected to the primary light emitting surface through the upper and lower surfaces of the light guide portion , improve the utilization efficiency of light, or set a coating layer on the whole or part of the upper and lower surfaces of the light guide part, so as to improve the reflectivity of the light inside the light guide part, the coating layer can be aluminum or silver.
  • the refraction of the light refracted by the groove 7 can also be improved by adjusting the upper and lower heights of the groove 7 and the inclination direction and inclination of the front and rear side walls.
  • a second aspect of the present invention further provides a vehicle lamp module, comprising the vehicle lamp optical assembly described in the first aspect and at least one light source, wherein the light source is in one-to-one correspondence with the light incident portion 5 .
  • the optical axis of the light source coincides with the optical axis of the light incident portion 5 or has a horizontal included angle, and the horizontal included angle is preferably 0° ⁇ 15°.
  • the optical axis of the light source and the optical axis of the light incident portion 5 to form a horizontal deflection angle of 0 to 15°, the light emitted from the light source is emitted to the left and right sides of the lamp module, and the horizontal direction of the light shape can be achieved. Effect.
  • the light sources can be independently controlled to be on and off, so that when the high beam is illuminated, the lighting area of the vehicle lights can be controlled by controlling the on and off of each light source, so as to avoid the area where the opposite vehicle is located and avoid dazzling problems. , so as to achieve the effect of intelligent anti-glare.
  • a third aspect of the present invention further provides a vehicle lamp, including the vehicle lamp module described in the second aspect.
  • the vehicle lamp can realize the design of miniaturized volume and diversified shapes of the vehicle lamp.
  • a fourth aspect of the present invention further provides a vehicle, comprising the vehicle lamp of the third aspect.
  • the vehicle can realize the design of various shapes, which is beneficial to improve the overall visual effect and aesthetics of the vehicle body.
  • the present invention can realize miniaturized and diversified designs in terms of volume and shape by setting the narrow and long secondary light emitting surface 41; the present invention can realize low beam lighting, high beam lighting, and ADB adaptive
  • the high beam, AFS curve auxiliary lighting and daytime running lights have the characteristics of simple structure and diversified functions; the low beam inflection point cut-off line structure 12 can meet the needs of left-hand drive and right-hand drive alone or at the same time, so that vehicles in different regions of the world can share the same Set of lighting systems to avoid repeated development and design of lighting.
  • the optical component of the vehicle light of the present invention can be directly applied to the vehicle body without external glasses, which can not only improve the optical efficiency, but also improve the visual effect in terms of shape, so as to satisfy the current miniaturization, high efficiency and high efficiency of the vehicle lamp.

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  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

一种车灯光学组件，包括初级光学单元或具有并排设置的多个初级光学单元的初级光学单元组。初级光学单元包括入光部（5）和导光部，导光部具有入光部安装面和初级出光面，入光部安装面设有至少一个入光部（5），入光部（5）设置为能够使得射入的光线汇聚并出射至导光部，导光部设置为能够引导射入的光线从初级出光面射出；次级光学单元（4），次级光学单元（4）具有一个次级出光面（41）和与初级出光面相对应的次级入光面（42），其中，次级出光面（41）为窄长形的顺滑曲面。此外，还涉及一种车灯模组、车灯及车辆。能够实现体积小型化和造型多样化的设计。

Description

一种车灯光学组件、车灯模组、车灯及车辆
相关申请的交叉引用
本申请要求2020年7月2日提交的中国专利申请202010633980.4的权益，该申请的内容通过引用被合并于本申请。
技术领域
本发明涉及车灯，具体地，涉及一种车灯光学组件。此外，本发明还涉及一种车灯模组、车灯及车辆。
背景技术
目前，在车辆车灯照明光学系统中，远近光的实现方式主要为透镜式和反射式两种。其中，反射式照明系统包括光源和反射镜，光源发出的光经过反射镜反射后，直接经过外配镜形成车辆的照明灯光；透镜式照明系统包括光源、反射镜和透镜，光源发出的光经过反射镜反射，再经透镜成像后，最后通过外配镜形成车辆照明所需的远近光。
上述透镜式和反射式照明系统形式单一，并且受限于透镜或反射镜的尺寸，其车灯远近光模组的开口(车灯远近光模组的开口是指模组出光一侧的高度)很难做到很小，从而导致车灯在体积和造型上无法实现更加小型化和多样化的设计。
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灯光学组件，能够实现体积小型化和造型多样化的设计。
本发明第二方面所要解决的技术问题是提供一种车灯模组，该车灯模组能够实现体积小型化和造型多样化的设计。
本发明第三方面所要解决的技术问题是提供一种车灯，该车灯能够实现体积小型化和造型多样化的设计。
本发明第四方面所要解决的技术问题是提供一种车辆，该车辆能够实现造型多样化的设计。
为了解决上述技术问题，本发明第一方面提供一种车灯光学组件，包括：初级光学单元或具有并排设置的多个初级光学单元的初级光学单元组，所述初级光学单元包括 入光部和导光部，所述导光部具有入光部安装面和初级出光面，所述入光部安装面设有至少一个所述入光部，所述入光部设置为能够使得射入的光线汇聚并出射至所述导光部，所述导光部设置为能够引导射入的光线从所述初级出光面射出；次级光学单元，所述次级光学单元具有一个次级出光面和与所述初级出光面相对应的次级入光面，其中，所述次级出光面为窄长形的顺滑曲面。
优选地，所述初级光学单元组中的多个所述初级光学单元的导光部连为一体，所述初级光学单元或所述初级光学单元组在所述导光部的左右方向的至少一侧设有辅助光源，所述辅助光源发出的光线从所述导光部侧面进入，并由所述初级出光面射出。
优选地，所述辅助光源与所述导光部之间设有聚光结构。
优选地，所述次级出光面的纵截线为向前凸出的弧线，横截线为沿左右方向延伸的直线或曲线。
优选地，所述入光部为聚光杯结构，所述入光部的外部轮廓面为由后向前口径逐渐增大的曲面。
优选地，所述导光部的上、下表面均设有花纹结构或镀膜层。
优选地，所述初级光学单元为近光拐点初级光学单元、近光展宽初级光学单元或远光初级光学单元，所述初级光学单元组至少包括所述近光拐点初级光学单元、近光展宽初级光学单元和远光初级光学单元中的一种或多种。
优选地，所述初级光学单元组包括近光拐点初级光学单元、近光展宽初级光学单元和远光初级光学单元，所述近光展宽初级光学单元设在所述近光拐点初级光学单元和远光初级光学单元之间。
优选地，所述近光拐点初级光学单元的导光部为近光导光部，其初级出光面为近光初级出光面，与所述近光初级出光面相对应的次级入光面包括至少一个近光次级入光面，所述近光次级入光面为向后凸出的曲面，所述近光次级入光面与所述入光部一一对应，所述近光导光部的下表面前边界上设有用于形成近光拐点截止线的近光拐点截止线结构。
优选地，所述近光拐点截止线结构包括至少一个左驾截止线结构、或包括至少一个右驾截止线结构、或包括至少一个左驾截止线结构和至少一个右驾截止线结构，所述左驾截止线结构和右驾截止线结构与所述入光部一一对应。
优选地，所述近光导光部的前端下部设有用于形成近光III区光形的III区结构，所述III区结构与所述近光导光部的下表面及所述近光导光部的后端构成向上凹陷的凹 槽，所述III区结构与所述凹槽的顶部的交界处形成有所述近光拐点截止线结构。
优选地，所述近光展宽初级光学单元的导光部为近光展宽导光部，所述近光展宽导光部和次级光学单元连为一体，所述近光展宽导光部的下表面上设有用于形成近光展宽截止线的近光展宽截止线结构。
优选地，所述近光展宽导光部的前端下部设有用于形成近光III区光形的III区结构，所述III区结构与所述近光展宽导光部的下表面以及所述近光展宽导光部的后端构成向上凹陷的凹槽，所述III区结构与所述凹槽的顶部的交界处形成所述近光展宽截止线结构。
优选地，所述远光初级光学单元的导光部为远光导光部，其初级出光面为远光初级出光面，与所述远光初级出光面相对应的次级入光面包括至少一个远光次级入光面，所述远光次级入光面为向后凸出的曲面，所述远光次级入光面与所述入光部一一对应。
优选地，所述初级光学单元为近光拐点初级光学单元、近光展宽初级光学单元或远光初级光学单元，所述初级光学单元组至少包括所述近光拐点初级光学单元、近光展宽初级光学单元和远光初级光学单元中的一种或多种；所述近光拐点初级光学单元的导光部为近光导光部，所述近光展宽初级光学单元的导光部为近光展宽导光部，所述近光导光部和所述近光展宽导光部的前端下部均设有用于形成近光III区光形的III区结构，所述III区结构的III区入光面上设有凹凸结构。
优选地，所述近光导光部或所述近光展宽导光部的III区结构的侧面设置有辅助光源。
本发明第二方面还提供一种车灯模组，包括第一方面所述的车灯光学组件和至少一个光源，所述光源与所述入光部一一对应。
优选地，所述光源能够独立控制亮灭。
本发明第三方面还提供一种车灯，包括第二方面所述的车灯模组。
本发明第四方面还提供一种车辆，包括第三方面所述的车灯。
本发明通过将次级出光面设为窄长形、光滑无段差的顺滑曲面，以及通过入光部和导光部的设置，使得车灯光学组件的的整体上下高度能够做到很小，从而能够在体积上实现小开口的小型化设计；次级出光面的形状变化多样，适应性强，可满足不同车灯的造型需求，在造型上实现多样化设计。
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正面立体结构示意图；
图2是本发明一种实施方式的反面立体结构示意图一；
图3是本发明一种实施方式的反面立体结构示意图二；
图4是本发明一种实施方式的反面立体结构示意图三；
图5是图1的仰视图；
图6是图5的A-A剖面图；
图7是图5的B-B剖面图；
图8是图5的C-C剖面图；
图9是本发明一种实施方式的反面立体结构示意图四；
图10是图9中D处对应的近光拐点截止线结构的结构示意图；
图11是本发明一种实施方式中近光拐点初级光学单元的一种近光拐点截止线结构示意图；
图12是本发明一种实施方式中近光拐点初级光学单元的另一种近光拐点截止线结构示意图；
图13是图12中E处的放大结构示意图；
图14是本发明另一种实施方式的结构示意图一；
图15是本发明另一种实施方式的结构示意图二；
图16是本发明一种实施方式的光形示意图。
附图标记说明
1近光拐点初级光学单元           11近光导光部
111近光初级出光面               12近光拐点截止线结构
121左驾截止线结构               122右驾截止线结构
2近光展宽初级光学单元           21近光展宽导光部
3远光初级光学单元               31远光导光部
311远光初级出光面               4次级光学单元
41次级出光面                    42次级入光面
421近光次级入光面               422远光次级入光面
5入光部                         6 III区结构
61 III区入光面               611凹凸结构
7凹槽                        8聚光结构
a近光中心区域光形            a1近光拐点截止线
b远光光形                    c近光展宽区域光形
c1近光展宽截止线
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为基于附图2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16所示，本发明提供一种车灯光学组件，包括：初级光学单元或具有并排设置的多个初级光学单元的初级光学单元组，所述初级光学单元包括入光部5和导光部，所述导光部具有入光部安装面和初级出光面，所述入光部安装面设有至少一个所述入光部5，所述入光部5设置为能够使得射入的光线汇聚并出射至所述导光部，所述导光部设置为能够引导射入的光线从所述初级出光面射出；次级光学单元4，所述次级光学单元4具有一个次级出光面41和与所述初级出光面相对应的次级入光面42，其中，所述次级出光面41为窄长形的顺滑曲面。
由于次级光学单元4可以与单个或多个初级光学单元相配合，因此次级光学单元4的次级出光面41为整个车灯光学组件的出光面，通过将所述次级出光面41设为窄长形、光滑无段差的顺滑曲面，以及通过入光部5和导光部的设置，能够对光线在上下方向实现更好的聚光效果，使得次级出光面41的上下高度可以做到毫米量级，并且入光部5和导光部上下高度也可以做到很小，使得车灯光学组件的的整体上下高度能够做到很小，从而在体积上实现小开口的小型化设计。
其中，所述次级出光面41可以为柱状曲面，即次级出光面41的纵截线为向前凸出的弧线，横截线为沿左右方向延伸的直线，或者次级出光面41的横截线为沿左右方向延伸的曲线，次级出光面41为其纵截线沿其横截线扫掠而成。次级出光面41的形状变化多样，适应性强，可满足不同车灯的造型需求，在造型上实现多样化设计。
具体地，所述初级光学单元为近光拐点初级光学单元1、近光展宽初级光学单元2或远光初级光学单元3，所述初级光学单元组至少包括所述近光拐点初级光学单元1、近光展宽初级光学单元2和远光初级光学单元3中的一种或多种。近光拐点初级光学单元1与次级光学单元4配合能够形成具有近光拐点截止线的近光中心区域光形a，近光展宽初级光学单元2与次级光学单元4配合能够形成具有近光展宽截止线的近光展宽区域光形c，远光初级光学单元3与次级光学单元4配合能够形成远光光形b，从而可以单独或同时实现多种照明功能，满足车灯的多样化设计需求。
作为一种具体实施方式，如图1至图10所示，所述车灯光学组件包括由近光拐点初级光学单元1、近光展宽初级光学单元2和远光初级光学单元3组成的初级光学单元组和一个次级光学单元4，近光展宽初级光学单元2设在近光拐点初级光学单元1和远光初级光学单元3之间，其能够形成如图16所示的三种光形，其中，近光拐点初级光学单元1与次级光学单元4配合形成近光中心区域光形a，图中a1为近光中心区域光形a的近光拐点截止线，其具有拐点；近光展宽初级光学单元2与次级光学单元4配合形成近光展宽区域光形c，图中c1为近光展宽区域光形c的近光展宽截止线，其优选为水平线；远光初级光学单元3与次级光学单元4配合形成远光光形b。
由于要实现的功能不同，多个初级光学单元的结构不同，相应地，与各初级光学单元对应的次级入光面42的结构也不同。下面具体描述各初级光学单元的具体结构，并附带对次级光学单元4的次级入光面42的结构进行描述。
具体地，所述近光拐点初级光学单元1的导光部为近光导光部11，其初级出光面为近光初级出光面111，与所述近光初级出光面111相对应的次级入光面42包括四个近光次级入光面421，该近光次级入光面421为向后凸出的曲面，所述近光次级入光面421与所述入光部5一一对应，所述近光导光部11的下表面前边界上设有用于形成近光拐点截止线的近光拐点截止线结构12。通过在近光导光部11上设置近光拐点截止线结构12，无需另外采用遮光板进行遮挡形成截止线，同时也无需设置驱动机构来驱动遮光板实现远近光切换，消除了机械故障，减少了零部件，精简了结构，且空间占用体积较小，空间利用效率和配光效率更高。
其中，所述近光次级入光面421的形状可由给定的次级出光面41、焦点和特定的次级出光面41的出射光线方向等参数，通过光的折射定律和曲面拟合方法求得。该近光次级入光面421与其对应的次级出光面41部分共同形成单一焦点，以对由近光初级出光面111出射的光线在上下左右方向上汇聚形成具有拐点的近光拐点截止线。
为了实现不同的驾驶需求，即满足左驾驶或右驾驶的驾驶需求，可以设置不同形式的近光拐点截止线结构12，例如，近光拐点截止线结构12包括至少一个左驾截止线结构121和至少一个右驾截止线结构122，所述左驾截止线结构121和右驾截止线结构122与所述入光部5一一对应，具体如图9和图10所示，近光拐点截止线结构12包括依次连接的两个左驾截止线结构121和两个右驾截止线结构122，光线经由左驾截止线结构121对应的近光初级出光面111部分出射时，光线会被左驾截止线结构121截取，使光线均在左驾截止线结构121的上方出射，进而由次级光学单元4出射形成具有左驾近光拐点截止线的左驾近光中心区域光形；光线经由右驾截止线结构122对应的近光初级出光面111部分出射时，光线会被右驾截止线结构122截取，使光线均在右驾截止线结构122的上方出射，进而由次级光学单元4出射形成具有右驾近光拐点截止线的右驾近光中心区域光形。由此，通过在一个车灯光学组件中设置左驾截止线结构121和右驾截止线结构122，根据实际需求进行调光及切换光源等操作，可以实现左右驾驶切换，用以满足全世界不同地区的车辆灯具使用，减少灯具重新开发和设计。其中，左驾截止线结构121和右驾截止线结构122的数量均可设置为一个，也可以根据近光中心区域的照度要求设置多个，其优选设置在其对应的焦点上。
除此之外还可将多个相同的左驾截止线结构121或右驾截止线结构122沿左右方向依次排布，并独立控制每个左驾截止线结构121或右驾截止线结构122所对应的光源开关，实现近光拐点截止线水平方向的移动，即近光拐点的移动，用于实现弯道辅助照明系统(Adaptive Front lighting System，简称AFS)。具体如图11和图12所示，图11中近光拐点截止线结构12包括四个依次连接的左驾截止线结构121，在近光导光部11的入光部安装面设有与各左驾截止线结构121相对应的四个入光部5，在各入光部5的入光端设置光源，通过独立控制各光源的亮灭来实现弯道辅助照明。图12中近光拐点截止线结构12包括四个依次连接的右驾截止线结构122，同样在近光导光部11的入光部安装面设有与各右驾截止线结构122相对应的四个入光部5，在各入光部5的入光端设置光源，通过独立控制各光源的亮灭来实现弯道辅助照明。
更具体地，如图5和图6所示，所述近光导光部11的前端下部设有用于形成近光III区光形的III区结构6，所述III区结构6与所述近光导光部11的下表面及所述近光导光部11的后端构成向上凹陷的凹槽7，所述III区结构6与所述凹槽7的顶部的交界处形成有所述近光拐点截止线结构12。由此，入光部5出射的一部分光线进入近光导光部11，被近光拐点截止线结构12截取后，再经次级光学单元4投射后形成具有近光拐 点截止线的近光中心区域光形a；入光部5出射的另一部分光线直接经凹槽7进入III区结构6，并经次级光学单元4投射后形成近光III区光形。
具体地，如图5和图7所示，所述近光展宽初级光学单元2的导光部为近光展宽导光部21，由于近光展宽区域光形c的近光展宽截止线为水平线，不具有拐点，其对应的次级光学单元4部分可以不具有单焦点，而是由若干焦点组成的一条焦线，即不必设置向后凸出的次级入光面42，因此，为了便于车灯光学组件的安装以及使得结构更加紧凑，近光展宽导光部21和次级光学单元4优选连为一体，近光展宽导光部21的下表面上设有用于形成近光展宽截止线的近光展宽截止线结构，该近光展宽截止线结构优选设置在上述焦线上。
同样地，所述近光展宽导光部21的前端下部设有用于形成近光III区光形的III区结构6，所述III区结构6与所述近光展宽导光部21的下表面以及所述近光展宽导光部21的后端构成向上凹陷的凹槽7，所述III区结构6与所述凹槽7的顶部的交界处形成近光展宽截止线结构。由此，入光部5出射的一部分光线进入近光展宽导光部21，并经近光展宽截止线结构截取，再经次级光学单元4投射后形成具有近光展宽截止线的近光展宽区域光形c；入光部5出射的另一部分光线直接经凹槽7进入III区结构6，并经次级光学单元4投射后形成近光III区光形。
具体地，所述远光初级光学单元3的导光部为远光导光部31，其初级出光面为远光初级出光面311，与所述远光初级出光面311相对应的次级入光面42包括六个远光次级入光面422，该远光次级入光面422为向后凸出的曲面，所述远光次级入光面422与所述入光部5一一对应。由此，入光部5出射的光线进入远光导光部31，再经次级光学单元4投射后形成远光光形。在远光照明中，可通过汽车传感器感知路面情况，感知前方或对方车道是否有行人或车辆，由于远光初级光学单元3设有多个入光部5，相应地，各入光部5的入光端对应设有光源，各光源发出的光线的照射区域不同，因此可通过控制各光源的亮灭来控制车灯的照射区域，以避开对向行驶车辆所在区域，避免产生炫目的问题，从而达到智能防炫目的效果，即实现自适应远光灯系统(Adaptive Driving Beam，简称ADB)，其中光源的数量由所需要实现的ADB的像素决定。
其中，所述远光次级入光面422的形状可由给定的次级出光面41、焦点和特定的次级出光面41的出射光线方向等参数，通过光的折射定律和曲面拟合方法求得。另外，需要说明的是，远光导光部31与近光导光部11的不同在于其初级出光面的出射光线的方向不同，以形成各自对应的光形，由于在配光屏幕上近光光形应该位于远光光形的下 方，因此，本实施方式中，在近光导光部11的下表面前边界设置近光拐点截止线结构12，使得入光部5的出射光线均能从该近光拐点截止线结构12的上方出射，经次级光学单元4投射后形成位于远光光形b下方的近光中心区域光形a。
上述近光拐点初级光学单元1、近光展宽初级光学单元2和远光初级光学单元3可以分体设置，也可以连为一体设置。分体设置便于各初级光学单元之间的调光，一体设置有利于提高各初级光学单元之间的定位安装精度。
作为另一种实施方式，所述初级光学单元组中的多个所述初级光学单元的导光部连为一体，所述初级光学单元或所述初级光学单元组在所述导光部的左右方向的至少一侧设有辅助光源，当开启辅助光源时，辅助光源发出的光线从导光部的侧面进入，并由初级出光面射出，最后经次级出光面41射出。该辅助光源的设置可以通过调节辅助光源的光通量实现日行灯功能或者近光III区功能。在应用于日行灯功能时，仅开启辅助光源，次级出光面41在外侧看过去是发光的，即次级出光面41被整体点亮，从而达到整灯点亮的效果，实现日行灯功能。在应用于近光III区功能时，同时开启辅助光源和入光部5对应的光源，该辅助光源的出射光线可单独或者配合由上述III区入光面61入射的光线共同实现符合法规要求的近光III区光形的照度和角度。
具体地，如图14和图15所示，所述车灯光学组件包括由近光拐点初级光学单元1、近光展宽初级光学单元2和远光初级光学单元3组成的初级光学单元组和一个次级光学单元4，其中，近光展宽初级光学单元2设在近光拐点初级光学单元1和远光初级光学单元3之间，且近光拐点初级光学单元1、近光展宽初级光学单元2和远光初级光学单元3的导光部连为一体，在连为一体的导光部的左右方向的两侧分别设有辅助光源，所述辅助光源与所述导光部之间设有聚光结构8，通过设置聚光结构8，能够使更多的光线从导光部侧面进入，从而提高两侧光源的光线利用率，所述聚光结构8可以为聚光杯结构或向所述辅助光源方向凸出的凸起结构。
优选地，所述近光导光部11的III区结构6的一侧设置所述辅助光源，在近光导光部11和近光展宽导光部21的III区结构6的III区入光面61上设置凹凸结构611，该凹凸结构611可以是如图12和图13所示的呈条纹状的凹凸结构，也可以是呈网格状的凹凸结构，还可以是呈锯齿状的凹凸结构。一方面，该凹凸结构611可以使得由III区入光面61射出的光线发散，从而提高近光III区光形的均匀性；另一方面，当开启两侧的辅助光源时，辅助光源发出的光线从导光部的侧面进入，经III区入光面61反射后由初级出光面射出，凹凸结构611的设置可以使得辅助光源发出的光线更多地发生全反射 并由初级出光面射出且能够均匀射至次级出光面41，达到照明均匀和提高光线利用率的效果。
在上述各实施方式的基础上，所述入光部5优选为聚光杯结构，能够对光线在上下左右方向进行更好的汇聚，所述入光部5的外部轮廓面为由后向前口径逐渐增大的曲面，其为实心体，具有位于其前后两端的入光面和出光面，其中，入光面和出光面可以为平面，也可以为曲面；或者，所述入光部5的外部轮廓面为由后向前口径逐渐增大的曲面，且其内部具有向前凹陷的凹腔结构，在凹腔内设有向后凸出的凸起；或者，所述入光部5为向后凸出的凸起结构。
优选地，所述导光部的上、下表面均设有凹状或凸状的花纹结构，使得由导光部出射的光线能够更多地经导光部的上、下表面反射至初级出光面，提高光线的利用效率，或者在导光部的上、下表面的整体或局部设镀膜层，以此来提高导光部内部光线的反射率，镀膜层可以为镀铝或镀银层。并且，还可通过调整上述凹槽7的上下高度以及前后侧壁的倾斜方向和倾斜度来改善经凹槽7折射的光线的折射情况。
本发明第二方面还提供一种车灯模组，包括第一方面所述的车灯光学组件和至少一个光源，所述光源与所述入光部5一一对应。
优选地，所述光源的光轴与所述入光部5的光轴重合或具有水平夹角，该水平夹角优选0°～15°。通过将光源的光轴与入光部5的光轴形成0～15°的水平偏转角度，使光源的出射光线向车灯模组的左右两侧出射，能够达到水平方向上光形外展的效果。
优选地，所述光源能够独立控制亮灭，使得在远光照明时，通过控制各个光源的亮灭，来控制车灯的照射区域，以避开对向行驶车辆所在区域，避免产生炫目的问题，从而达到智能防炫目的效果。
通过设置所述车灯光学组件，能够实现体积小型化和造型多样化的设计。
本发明第三方面还提供一种车灯，包括第二方面所述的车灯模组。
通过设置所述车灯模组，该车灯能够实现车灯体积小型化和造型多样化的设计。
本发明第四方面还提供一种车辆，包括第三方面所述的车灯。
通过设置所述车灯，该车辆能够实现造型多样化的设计，有利于提高车身整体视觉效果和美观度。
综上所述，本发明通过设置窄长形的次级出光面41，能够在体积和造型上实现小型化和多样化的设计；本发明可以实现近光照明、远光照明、具有ADB自适应远光、AFS弯道辅助照明和日行灯功能，具有结构简单功能多样化的特点；近光拐点截止线结 构12可单独或同时满足左驾和右驾需求，实现全世界不同地区的车辆共用同一套灯具系统，避免灯具的重复开发和设计。本发明的车灯光学组件，可在无外配镜的情况下，直接应用在车身上，既可提高光学效率，又可在造型上提高视觉效果，满足当前的车灯小型化、高效化和造型新颖化的需求。
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 (20)

  1. 一种车灯光学组件，其特征在于，包括：
    初级光学单元或具有并排设置的多个初级光学单元的初级光学单元组，所述初级光学单元包括入光部和导光部，所述导光部具有入光部安装面和初级出光面，所述入光部安装面设有至少一个所述入光部(5)，所述入光部(5)设置为能够使得射入的光线汇聚并出射至所述导光部，所述导光部设置为能够引导射入的光线从所述初级出光面射出；
    次级光学单元(4)，所述次级光学单元(4)具有一个次级出光面(41)和与所述初级出光面相对应的次级入光面(42)，其中，所述次级出光面(41)为窄长形的顺滑曲面。
  2. 根据权利要求1所述的车灯光学组件，其特征在于，所述初级光学单元组中的多个所述初级光学单元的导光部连为一体，所述初级光学单元或所述初级光学单元组在所述导光部的左右方向的至少一侧设有辅助光源，所述辅助光源发出的光线从所述导光部侧面进入，并由所述初级出光面射出。
  3. 根据权利要求2所述的车灯光学组件，其特征在于，所述辅助光源与所述导光部之间设有聚光结构(8)。
  4. 根据权利要求1所述的车灯光学组件，其特征在于，所述次级出光面(41)的纵截线为向前凸出的弧线，横截线为沿左右方向延伸的直线或曲线。
  5. 根据权利要求1所述的车灯光学组件，其特征在于，所述入光部(5)为聚光杯结构，所述入光部(5)的外部轮廓面为由后向前口径逐渐增大的曲面。
  6. 根据权利要求1所述的车灯光学组件，其特征在于，所述导光部的上、下表面均设有花纹结构或镀膜层。
  7. 根据权利要求1至6中任一项所述的车灯光学组件，其特征在于，所述初级光 学单元为近光拐点初级光学单元(1)、近光展宽初级光学单元(2)或远光初级光学单元(3)，所述初级光学单元组至少包括所述近光拐点初级光学单元(1)、近光展宽初级光学单元(2)和远光初级光学单元(3)中的一种或多种。
  8. 根据权利要求7所述的车灯光学组件，其特征在于，所述初级光学单元组包括近光拐点初级光学单元(1)、近光展宽初级光学单元(2)和远光初级光学单元(3)，所述近光展宽初级光学单元(2)设在所述近光拐点初级光学单元(1)和远光初级光学单元(3)之间。
  9. 根据权利要求7所述的车灯光学组件，其特征在于，所述近光拐点初级光学单元(1)的导光部为近光导光部(11)，其初级出光面为近光初级出光面(111)，与所述近光初级出光面(111)相对应的次级入光面(42)包括至少一个近光次级入光面(421)，所述近光次级入光面(421)为向后凸出的曲面，所述近光次级入光面(421)与所述入光部(5)一一对应，所述近光导光部(11)的下表面前边界上设有用于形成近光拐点截止线的近光拐点截止线结构(12)。
  10. 根据权利要求9所述的车灯光学组件，其特征在于，所述近光拐点截止线结构(12)包括至少一个左驾截止线结构(121)、或包括至少一个右驾截止线结构(122)、或包括至少一个左驾截止线结构(121)和至少一个右驾截止线结构(122)，所述左驾截止线结构(121)和右驾截止线结构(122)与所述入光部(5)一一对应。
  11. 根据权利要求10所述的车灯光学组件，其特征在于，所述近光导光部(11)的前端下部设有用于形成近光III区光形的III区结构(6)，所述III区结构(6)与所述近光导光部(11)的下表面及所述近光导光部(11)的后端构成向上凹陷的凹槽(7)，所述III区结构(6)与所述凹槽(7)的顶部的交界处形成有所述近光拐点截止线结构(12)。
  12. 根据权利要求7所述的车灯光学组件，其特征在于，所述近光展宽初级光学单元(2)的导光部为近光展宽导光部(21)，所述近光展宽导光部(21)和次级光学单元(4)连为一体，所述近光展宽导光部(21)的下表面上设有用于形成近光展宽截止 线的近光展宽截止线结构。
  13. 根据权利要求12所述的车灯光学组件，其特征在于，所述近光展宽导光部(21)的前端下部设有用于形成近光III区光形的III区结构(6)，所述III区结构(6)与所述近光展宽导光部(21)的下表面以及所述近光展宽导光部(21)的后端构成向上凹陷的凹槽(7)，所述III区结构(6)与所述凹槽(7)的顶部的交界处形成所述近光展宽截止线结构。
  14. 根据权利要求7所述的车灯光学组件，其特征在于，所述远光初级光学单元(3)的导光部为远光导光部(31)，其初级出光面为远光初级出光面(311)，与所述远光初级出光面(311)相对应的次级入光面(42)包括至少一个远光次级入光面(422)，所述远光次级入光面(422)为向后凸出的曲面，所述远光次级入光面(422)与所述入光部(5)一一对应。
  15. 根据权利要求1至6中任一项所述的车灯光学组件，其特征在于，所述初级光学单元为近光拐点初级光学单元(1)、近光展宽初级光学单元(2)或远光初级光学单元(3)，所述初级光学单元组至少包括所述近光拐点初级光学单元(1)、近光展宽初级光学单元(2)和远光初级光学单元(3)中的一种或多种；所述近光拐点初级光学单元(1)的导光部为近光导光部(11)，所述近光展宽初级光学单元(2)的导光部为近光展宽导光部(21)，所述近光导光部(11)和所述近光展宽导光部(21)的前端下部均设有用于形成近光III区光形的III区结构(6)，所述III区结构(6)的III区入光面(61)上设有凹凸结构(611)。
  16. 根据权利要求15所述的车灯光学组件，其特征在于，所述近光导光部(11)或所述近光展宽导光部(21)的III区结构(6)的侧面设置有辅助光源。
  17. 一种车灯模组，其特征在于，包括权利要求1至16中任一项所述的车灯光学组件和至少一个光源，所述光源与所述入光部(5)一一对应。
  18. 根据权利要求17所述的车灯模组，其特征在于，所述光源能够独立控制亮灭。
  19. 一种车灯，其特征在于，包括权利要求17至18中任一项所述的车灯模组。
  20. 一种车辆，其特征在于，包括权利要求19所述的车灯。
PCT/CN2021/083317 2020-07-02 2021-03-26 一种车灯光学组件、车灯模组、车灯及车辆 WO2022001239A1 (zh)

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