WO2022105196A1 - 车灯光学系统、车灯模组、车灯及车辆 - Google Patents

车灯光学系统、车灯模组、车灯及车辆 Download PDF

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Publication number
WO2022105196A1
WO2022105196A1 PCT/CN2021/098411 CN2021098411W WO2022105196A1 WO 2022105196 A1 WO2022105196 A1 WO 2022105196A1 CN 2021098411 W CN2021098411 W CN 2021098411W WO 2022105196 A1 WO2022105196 A1 WO 2022105196A1
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WO
WIPO (PCT)
Prior art keywords
light
low beam
main low
main
reflection surface
Prior art date
Application number
PCT/CN2021/098411
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English (en)
French (fr)
Inventor
董世琨
何士群
张洁
刘正楠
祝贺
桑文慧
Original Assignee
华域视觉科技(上海)有限公司
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Publication of WO2022105196A1 publication Critical patent/WO2022105196A1/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
    • F21S41/20—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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/33—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors characterised by their material, surface treatment or coatings
    • 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
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • 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

Definitions

  • the present invention relates to a vehicle lamp, in particular, to a vehicle lamp optical system.
  • the present invention also relates to a vehicle lamp module, a vehicle lamp and a vehicle.
  • the light exit window of the far and near light modules in the prior art is in the form of a round lens or a square lens, and the size of the light exit window is limited by the size of the reflector and the lens, and the upper and lower openings of the light exit window are large.
  • the upper and lower openings of the light-emitting window of the car light have smaller size and more diverse shapes. For example, the light-emitting window is narrow and long and has more diverse lines.
  • the headlights located on the front side of the car include, in addition to the low beam and high beam, which are used for high and low beam illumination, as well as signal lights related to vehicle safety, such as position lights, turn signals, and daytime running lights.
  • Signal lights in the prior art usually It is independent of the far and near beam modules, thereby increasing the space occupied by the lights.
  • the technical problem to be solved by the first aspect of the present invention is to provide an optical system for a vehicle lamp, which can make the shapes of the light exit windows of the vehicle lamp more diverse.
  • 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 various shapes of the light exit window of the vehicle lamp.
  • 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 various shapes of the light exit window.
  • 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 system for a vehicle light, comprising a lighting unit or a lighting unit group having a plurality of the lighting units, a light emitting surface is arranged in front of the lighting unit, and the lighting unit It includes a light incident part and a light guide structure, the light incident part is set to make the incident light converge and exit to the light guide structure, the light guide structure includes a first reflection surface and a second reflection surface, the A part of the light collected by the light incident part strikes the first reflecting surface, and after being reflected by the first reflecting surface, another part of the light that can be condensed by the light incident part is reflected by the second reflecting surface.
  • an intermediate light shape can be formed, and the light forming the intermediate light shape can be emitted through the light exit surface to form an illumination light shape, and the intermediate light shape and The light distribution of the illumination light shape is consistent.
  • the light emitting surface is a smooth curved surface, and its longitudinal section is a straight line extending in the up-down direction.
  • the light incident portion is a semi-condenser cup structure, and its outer contour surface includes a flat surface and a curved surface whose diameter gradually increases from the end far from the light guide structure to the end close to the light guide structure. It is formed as a reflective surface of the light incident portion, the end of the light incident portion away from the light guide structure is provided with a concave cavity, and the sidewall of the concave cavity is formed as the second light incident surface of the light incident portion, The side of the cavity close to the light guide structure is provided with a protrusion, and the protrusion is formed as a first light incident surface of the light incident portion.
  • the lighting unit is a main low beam unit, or an auxiliary low beam unit or a high beam unit
  • the lighting unit group includes a plurality of the same lighting units, or includes a main low beam unit and an auxiliary low beam unit, A plurality of the lighting units in the lighting unit group are arranged at intervals along the length direction of the light exit surface.
  • the light incident portion of the auxiliary low beam unit is an auxiliary low beam light incident portion
  • the first reflection surface of the light guide structure of the auxiliary low beam unit is an auxiliary low beam first reflection surface
  • the second reflection surface is the second reflection surface of the auxiliary low beam
  • a part of the light collected by the light incident part of the auxiliary low beam is emitted to the first reflection surface of the auxiliary low beam
  • the first reflection surface of the auxiliary low beam can be The incident light is reflected to the second reflection surface of the auxiliary low beam, and the other part of the light collected by the light incident part of the auxiliary low beam directly hits the second reflection surface of the auxiliary low beam
  • the reflective surface can reflect the incoming light to form an auxiliary low beam intermediate light shape, and reflect the light forming the auxiliary low beam intermediate light shape to the light exit surface, and then form auxiliary low beam illumination light after being projected by the light exit surface.
  • An auxiliary low beam cut-off line structure is formed on the edge of the auxiliary low beam first reflection surface close to the auxiliary low
  • the auxiliary low beam first reflection surface and the auxiliary low beam second reflection surface are arranged above the auxiliary low beam light entrance part in order from bottom to top; the auxiliary low beam first reflection surface is a plane , the second reflection surface of the auxiliary low beam is a curved surface.
  • the auxiliary low beam unit is integrated with the light exit surface.
  • the light incident portion of the main low beam unit is the main low beam light incident portion
  • the first reflection surface of the light guide structure of the main low beam unit is the main low beam first reflection surface
  • the second reflection surface is the main low beam second reflection surface
  • the light guide structure of the main low beam unit also includes a main low beam first refraction surface and a main low beam second refraction surface
  • the main low beam A part of the light collected by the light incident part strikes the first reflection surface of the main low beam
  • the first reflection surface of the main low beam can pass the incident light through the first refraction surface of the main low beam and the first reflection surface of the main low beam.
  • the two refraction surfaces are refracted in turn and then strike the second main low beam reflection surface, and the other part of the light collected by the main low beam light entrance part directly passes through the main low beam first refraction surface and the main low beam second refraction surface After being refracted in sequence, it is emitted to the second reflection surface of the main low beam; the second reflection surface of the main low beam can reflect the incoming light to the light exit surface; the first reflection surface of the main low beam is close to the The edge of the first refraction surface of the main low beam is formed with a main low beam cut-off line structure.
  • the main low beam first reflection surface, the main low beam first refraction surface, the main low beam second refraction surface and the main low beam second reflection surface are arranged in order from bottom to top Above the main low beam light entrance part;
  • the main low beam first reflecting surface is a plane
  • the main low beam first refraction surface is an upward convex curved surface
  • the main low beam second refraction surface is downward convex
  • the second reflecting surface of the main low beam is a plane or a curved surface, wherein, when the second reflecting surface of the main low beam is a plane, the second refraction surface of the main low beam can refract the incoming light.
  • a light shape consistent with the light distribution of the main low beam illumination light shape is formed, and the main low beam intermediate light shape is formed after being projected by the main low beam second reflection surface;
  • the main low beam second reflection surface is a curved surface
  • the main low beam second reflecting surface can reflect the incoming light to form the main low beam intermediate light shape, and reflect the light forming the
  • the main low beam second refraction surface and the main low beam second reflection surface are integrated with the light exit surface, the main low beam light entrance part, the main low beam first reflection surface and The main low beam first refraction surface is formed as a whole.
  • the light incident portion of the high beam unit is a high beam light incident portion
  • the first reflecting surface of the light guide structure of the high beam unit is a high beam first reflecting surface
  • the first reflecting surface of the high beam unit is a high beam first reflecting surface
  • the two reflecting surfaces are the second reflecting surfaces for high beams, and a part of the light collected by the high beam incident part is incident on the first reflecting surface for high beams, and the first reflecting surface for high beams can reflect the incident light to the
  • the second reflection surface of the high beam the other part of the light collected by the light incident part of the high beam directly strikes the second reflection surface of the high beam; the second reflection surface of the high beam can reflect the incoming light to form a far
  • the intermediate light shape of the light is reflected, and the light forming the intermediate light shape of the high beam is reflected to the light exit surface, and the high beam illumination light shape is formed after being projected by the light exit surface.
  • the high beam unit and the light exit surface are integrally formed.
  • the vehicle light optical system further includes a signal light unit, the signal light unit is arranged behind the light exit surface, the signal light unit includes a signal light incident surface and a signal light reflection surface, and the signal light reflection surface can be used by the signal light.
  • the light incident on the light-incident surface is reflected to the light-emitting surface.
  • the signal light unit and the lighting unit are arranged in an up-down direction, and the signal light unit is integrated with the light exit surface; the number of the signal light units is one or more, when the number of the signal light units is When there are more than one, a plurality of the signal lamp units are arranged along the length direction of the light emitting surface.
  • a light diffusing structure is provided on the reflecting surface of the signal lamp.
  • a second aspect of the present invention provides a vehicle lamp module, including the vehicle lamp optical system described in the first aspect and a light source matched with the vehicle lamp optical system.
  • a third aspect of the present invention provides a vehicle lamp, including the vehicle lamp module described in the second aspect.
  • a fourth aspect of the present invention provides a vehicle, including the vehicle lamp of the third aspect.
  • the lighting unit of the vehicle light optical system of the present invention is arranged so that the incident light can form an intermediate light shape consistent with the light distribution of the lighting light shape after it is emitted, and the refraction of the light emitting surface arranged in front of the lighting unit will not change.
  • the light distribution of the intermediate light shape can form a lighting light shape that meets the requirements of regulations, so that the light-emitting surface can be designed with different shapes, and can meet the design requirements of the shape surface being a free-form surface, so that the shape of the light-emitting window of the car lamp is more diverse.
  • FIG. 1 is a schematic structural diagram of an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of an auxiliary low beam unit and a light exit surface in an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram 1 of an auxiliary low beam unit in an embodiment of the present invention.
  • FIG. 4 is a second structural schematic diagram of an auxiliary low beam unit in an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of an optical path of an auxiliary low beam unit in an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a main low beam unit and a light exit surface in an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a main low beam unit in an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of an optical path of a main low beam unit in an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram 1 of another embodiment of the present invention.
  • FIG. 10 is a second structural schematic diagram of another embodiment of the present invention.
  • Figure 11 is an enlarged schematic view of the structure at A in Figure 10;
  • Figure 12 is a schematic structural diagram three of another embodiment of the present invention.
  • Fig. 13 is the B-B sectional view of Fig. 12;
  • FIG. 14 is a schematic diagram of the optical path of the auxiliary low beam unit and the signal light unit in another embodiment of the present invention.
  • Fig. 15 is the C-C sectional view of Fig. 12;
  • 16 is a schematic diagram of the optical path of the main low beam unit and the signal light unit in another embodiment of the present invention.
  • 17 is a front view of the light-emitting surface in another embodiment of the present invention.
  • FIG. 18 is a schematic structural diagram of a signal lamp unit in another embodiment of the present invention (excluding the lighting unit);
  • FIG. 19 is a comparison diagram of an intermediate light shape formed after being emitted by the lighting unit of the present invention and an illuminating light shape formed after passing through the light emitting surface.
  • the "light distribution screen” in the following refers to the screen for testing the light distribution performance of lamps, which is a vertical screen set 25m in front of the vehicle; "virtual screen” is an imaginary light projection screen; "light distribution” It refers to the light characteristics such as the light intensity distribution and illuminance distribution of the light projected on the light distribution screen or the virtual screen; “Shape a” refers to the light projected on the virtual screen and can form a specific shape; “Illumination light shape b” refers to the light projected on the light distribution screen and can form a specific shape.
  • the present invention provides an optical system for a vehicle light, comprising a lighting unit or a lighting unit group having a plurality of lighting units, a light emitting surface 3 is arranged in front of the lighting unit, and the lighting unit includes a light incident part and a light guide structure, so The light incident part is arranged so that the incident light can be collected and emitted to the light guide structure, the light guide structure includes a first reflection surface and a second reflection surface, and a part of the light collected by the light incident part is emitted to the light guide structure.
  • the first reflecting surface after being reflected by the first reflecting surface, another part of the light that can be converged with the light incident part is reflected by the second reflecting surface, the lighting unit or the lighting unit group of the first reflecting surface.
  • the light emitted from the two reflecting surfaces can form an intermediate light shape a after being projected, and the light forming the intermediate light shape a can be emitted through the light exit surface 3 to form an illuminating light shape b.
  • the intermediate light shape a and the illuminating light shape The light distribution of b is consistent.
  • the lighting unit is arranged so that the incident light can form an intermediate light shape a consistent with the light distribution of the lighting light shape b after it is emitted, and can form the intermediate light shape a.
  • the light is emitted to the light-emitting surface 3, and the light of the intermediate light shape a is emitted through the light-emitting surface 3.
  • the light emitting surface 3 will refract the light, the refraction of the light emitting surface 3 will not change the light distribution forming the intermediate light shape a. As shown in FIG.
  • the shape of the intermediate light shape a projected on the virtual screen 7 by the emitted light of the lighting unit or the lighting unit group will be the same as the desired shape.
  • the shape of the obtained lighting light shape b is basically the same; the lighting light shape b projected on the light distribution screen 8 after being refracted by the light emitting surface 3 is still the lighting light shape that meets the requirements of the regulations, and the shapes of the front and rear light shapes are basically the same. Therefore, the refraction of the light exit surface 3 will not change the light distribution of the intermediate light shape a.
  • a light shape with a specific shape cannot be formed before the light-emitting lens, that is, the light is projected on the virtual screen as a shapeless messy spot, and the light must be refracted by the light-emitting lens to form a specific shape.
  • the shape of the illumination light is very limited, so the shape of the light-emitting lens is greatly restricted.
  • the light emitting surface 3 of the optical system of the vehicle light of the present invention has little influence on the light distribution of the intermediate light shape a formed by the lighting unit, the light emitting surface 3 can be designed with different shapes, which can satisfy the requirement that the shape surface is a free-form surface.
  • the present invention can realize the lighting module with different shapes of the light-emitting surface 3 according to the modeling requirements of the light-emitting surface 3, combined with the structure of the lighting unit, so that the shape of the light-emitting window of the vehicle lamp is more diverse.
  • the light emitting surface 3 is a smooth curved surface, and its longitudinal section is a straight line extending in the up-down direction.
  • the longitudinal section of the light-emitting surface 3 is set as a straight line extending in the up-down direction, which can reduce the refraction effect of the light-emitting surface 3 on the light in the up-down direction, so that the light forming the intermediate light shape a is only emitted from the light-emitting surface 3 in the left-right direction. There will be no change in the upper and lower directions by fine-tuning on the upper and lower sides, thereby further reducing the influence of the light-emitting surface 3 on the intermediate light shape a.
  • the light incident portion is a semi-concentrator cup structure, and its outer contour surface includes a flat surface and a curved surface whose diameter gradually increases from the end far away from the light guide structure to the end close to the light guide structure, so
  • the curved surface is formed as a reflection surface of the light incident portion
  • the end of the light incident portion away from the light guide structure is provided with a concave cavity
  • the side wall of the concave cavity is formed as the second light incident of the light incident portion
  • the side of the cavity close to the light guide structure is provided with a protrusion
  • the protrusion is formed as the first light incident surface of the light incident portion, that is, the light incident portion is composed of a flat surface and a light incident portion.
  • the reflective surface, the first light incident surface of the light incident part and the second light incident surface of the light incident part are enclosed.
  • the light entering the light incident part is divided into two parts, one part of the light directly exits through the first light incident surface and enters the light guide structure, and the other part of the light enters the reflective surface of the light incident part through the second light incident surface, and passes through the first light incident surface.
  • the reflective surface reflects to the light guide structure.
  • the lighting unit is a main low beam unit 1, an auxiliary low beam unit 2, or a high beam unit
  • the lighting unit group includes a plurality of identical lighting units, or includes a main low beam unit 1 and an auxiliary low beam unit 2.
  • the light exit surface 3 may be set as a long free-form surface, and the multiple lighting units in the lighting unit group may be arranged at intervals along the length direction of the light exit surface 3 . Therefore, the optical system of the vehicle light of the present invention can be used in the low beam or high beam lighting module to realize the low beam or high beam function.
  • the lighting source 4 corresponding to the low-beam inflection point cut-off line structure of the light lighting unit is switched on and off to realize the horizontal movement of the low-beam inflection point cut-off line, that is, the movement of the low-beam inflection point, thereby realizing the AFS follow-up steering lighting function. Therefore, the vehicle light optical system of the present invention can be applied to low beams, high beams, corner lights, corner auxiliary lighting or fog lights, etc. according to different lighting requirements, and can also realize AFS follow-up steering lighting functions and high beams ADB lighting function.
  • each lighting unit and the light-emitting surface 3 needs to be determined according to the bending direction of the light-emitting surface 3, so as to ensure the light-emitting surface 3 refracts the light emitted by each lighting unit. It will not affect the light distribution of the intermediate light shape a, so that the shape of the lighting light shape b formed after being emitted by the light emitting surface 3 and the shape of the intermediate light shape a are basically unchanged, and can be emitted toward the front, in line with the requirements of vehicle lamp regulations, can Projected to the front of the vehicle for lighting. For example, when the light emitting surface 3 is curved toward the front as shown in FIG.
  • the arrangement trend of the plurality of lighting units can be consistent with the extending trend of the light emitting surface 3.
  • the arrangement trend of the plurality of lighting units cannot be consistent with the extension trend of the light emitting surface 3 , and it needs to be adaptively adjusted according to the degree of refraction of the light by the light emitting surface 3 .
  • the optical system of the vehicle light of the present invention when used for the low beam module, the optical system of the vehicle light includes a lighting unit group, and the lighting unit group includes at least one main Low beam unit 1 and multiple auxiliary low beam units 2 .
  • the outgoing light of the main low beam unit 1 is suitable for forming the main low beam intermediate light shape
  • the outgoing light of the auxiliary low beam unit 2 is suitable for forming the auxiliary low beam intermediate light shape.
  • the light of the low beam intermediate light shape is projected through the light exit surface 3 to form the main low beam lighting light shape and the auxiliary low beam lighting light shape.
  • the main low beam lighting light shape and the auxiliary low beam lighting light shape are superimposed to form a complete low beam lighting light shape, forming a low beam lighting Bright light is projected to the front of the vehicle for illumination.
  • the light incident part of the auxiliary low beam unit 2 is the auxiliary low beam light entrance part 21
  • the auxiliary low beam light entrance part 21 includes the auxiliary low beam first light incident surface 211.
  • the auxiliary low beam second light incident surface 212 and the auxiliary low beam third reflection surface 213, the first reflection surface of the light guide structure of the auxiliary low beam unit 2 is the auxiliary low beam first reflection surface 22
  • the second reflection surface is the auxiliary low beam second reflection surface 23, and a part of the light collected by the auxiliary low beam light incident part 21 is incident to the auxiliary low beam first reflection surface 22, and the auxiliary low beam first
  • the reflective surface 22 can reflect the incident light to the auxiliary low beam second reflective surface 23, and another part of the light collected by the auxiliary low beam light incident portion 21 directly strikes the auxiliary low beam second reflective surface 23;
  • the auxiliary low beam second reflective surface 23 can reflect the incident light to form an auxiliary low beam intermediate light shape, and reflect the light forming the auxiliary low beam intermediate light shape to the light exit
  • the transmission direction of the light can be better adjusted, so that the desired light shape can be better formed, and the structure can be made more compact .
  • the auxiliary low-beam first reflecting surface 22 and the auxiliary low-beam second reflecting surface 23 are sequentially arranged above the auxiliary low-beam incident portion 21 from bottom to top, so that the light collected by the auxiliary low-beam incident portion 21 can be Directly or after being reflected by the auxiliary low beam first reflecting surface 22 , it is emitted to the auxiliary low beam second reflecting surface 23 , and is reflected to the light exit surface 3 by the auxiliary low beam second reflecting surface 23 .
  • the first reflective surface 22 of the auxiliary low beam is flat, which can better control the exit direction of the light, and ensure that more light is incident on the second reflective surface 23 of the auxiliary low beam.
  • the auxiliary low beam second reflection surface 23 is a curved surface, so that the incident light can only form an auxiliary low beam intermediate light shape after being reflected by the auxiliary low beam second reflection surface 23 .
  • an auxiliary low-beam cut-off line structure 221 for forming an auxiliary low-beam cut-off line is formed on the edge of the auxiliary low-beam first reflective surface 22 close to the auxiliary low-beam second reflective surface 23 .
  • the cut-off line of the auxiliary low beam is a horizontal line and has no inflection point, it is not necessary to set a corresponding secondary optical part with a single focus, that is, it is not necessary to set a secondary light incident surface that protrudes toward the first reflection surface 22 of the auxiliary low beam Therefore, in order to facilitate the installation of the optical system of the vehicle light and make the structure more compact, the auxiliary low beam unit 2 and the light exit surface 3 are preferably formed as a whole, which can constitute an integral light guide.
  • the auxiliary low beam first reflective surface 22 is connected to the plane of the auxiliary low beam incident portion 21 , and the auxiliary low beam first reflective surface 22 is preferably formed by the plane of the auxiliary low beam incident portion 21
  • the upper end of the auxiliary low beam first reflection surface 22 is provided with a corner, so that the auxiliary low beam cut-off line structure 221 is formed at the corner.
  • the auxiliary low beam unit 2 and the light emitting surface 3 can also be set independently.
  • the auxiliary low beam first reflecting surface 22 can be formed by setting a shading plate, and the auxiliary low beam first reflecting surface 22 can be formed by setting a reflector.
  • the two reflecting surfaces 23 , the auxiliary low beam first reflecting surface 22 and the auxiliary low beam second reflecting surface 23 may also be reflecting surfaces formed by adopting other reflecting structures.
  • a part of the light collected by the auxiliary low beam light incident portion 21 strikes the auxiliary low beam first reflection surface 22 and is reflected to the auxiliary low beam second reflection surface 22 through the auxiliary low beam first reflection surface 22 Reflecting surface 23, another part of the auxiliary low-beam cut-off line structure 221 on the edge of the auxiliary low-beam first reflective surface 22 is emitted to the auxiliary low-beam second reflective surface 23 after passing through the auxiliary low-beam cut-off line structure 221, and another part Directly strikes the second reflective surface 23 of the auxiliary low beam, and the second reflective surface 23 of the auxiliary low beam will reflect the incident light to form an auxiliary low beam intermediate light shape with an auxiliary low beam cut-off line, and will form an auxiliary low beam intermediate light
  • the shaped light is reflected to the light emitting surface 3, and after being projected by the light emitting surface 3, an auxiliary low-beam illumination light shape with an auxiliary low-beam cut-off line is formed.
  • the light incident portion of the main low beam unit 1 is a main low beam incident portion 11
  • the main low beam incident portion 11 includes a main low beam first light incident surface 111.
  • the main low beam second light incident surface 112 and the main low beam third reflection surface 113, the first reflection surface of the light guide structure of the main low beam unit 1 is the main low beam first reflection surface 12
  • the second reflection surface is the main low beam second reflection surface
  • the light guide structure of the main low beam unit 1 also includes the main low beam first refraction surface 13 and the main low beam second refraction surface 14, A part of the light collected by the main low beam light incident part 11 is incident on the main low beam first reflection surface 12, and the main low beam first reflection surface 12 can transmit the incident light through the main low beam first reflection surface 12.
  • the refracting surface 13 and the second refracting surface 14 of the main low beam are refracted in turn and then refracted to the second reflecting surface 15 of the main low beam.
  • a refracting surface 13 and the second refracting surface 14 of the main low beam are refracted in turn and then refracted to the second reflecting surface 15 of the main low beam; the second reflecting surface 15 of the main low beam can reflect the incoming light to the light exiting face 3.
  • the transmission direction of the light can be better adjusted, so that the expected light shape can be better formed, and the structure can be made more compact .
  • the main low beam first reflecting surface 12, the main low beam first refracting surface 13, the main low beam second refraction surface 14 and the main low beam second reflecting surface 15 are sequentially arranged in the main low beam entrance part from bottom to top 11, so that the light collected by the main low beam light entrance part 11 can be directly or reflected by the main low beam first reflecting surface 12 and then pass through the main low beam first refracting surface 13 and the main low beam second refracting surface 14 in turn.
  • the first reflection surface 12 of the main low beam is a flat surface
  • the first refraction surface 13 of the main low beam is a curved surface that protrudes upward
  • the second refraction surface 14 of the main low beam is a curved surface that protrudes downward
  • the second refraction surface 14 of the main low beam is a curved surface that protrudes downward.
  • the reflection surface 15 is flat.
  • a main low beam cutoff line structure 121 for forming a main low beam cutoff line is formed on the edge of the main low beam first reflection surface 12 close to the main low beam first refracting surface 13 . Since the cut-off line of the main low beam has an inflection point, it is necessary to provide a secondary light incident surface that protrudes toward the first reflection surface 12 of the main low beam, that is, the second refraction surface 14 of the main low beam and the second refraction surface 14 of the main low beam. A secondary optical part with a single focus is formed together with the second reflection surface 15 of the main low beam. Correspondingly, it is also necessary to set the first refraction surface 13 of the main low beam to form the primary light emitting surface.
  • the first refraction surface 13 of the main low beam, The main low beam first reflective surface 12 and the main low beam light entrance portion 11 together form the primary optical part of the vehicle light optical system. Therefore, when the main low beam unit 1 and the light exit surface 3 are formed as a whole, the main low beam second refraction surface 14.
  • the second reflection surface 15 of the main low beam and the light exit surface 3 are preferably formed as a whole to form an integral secondary light guide.
  • a refracting surface 13 is preferably formed as a whole to form an integral primary light guide, and at the same time, when the main low beam unit 1 is matched with the auxiliary low beam unit 2, the light shape of the main low beam and the auxiliary low beam can be easily adjusted. The relative position between them is convenient for dimming.
  • the main low beam first reflection surface 12 and the main low beam first refraction surface 13 are connected as a whole, the main low beam first reflection surface 12 and the main low beam first reflection surface 12 are connected to the main low beam.
  • the planes of the light incident portion 11 are connected as a whole, and the main low beam first reflection surface 12 is preferably formed by extending the plane of the main low beam light incident portion 11 upward, so that the structure is more compact;
  • the upper end is provided with a corner, so that the main low beam cut-off line structure 121 is formed at the corner.
  • the main low beam unit 1 and the light exit surface 3 can also be set independently.
  • the main low beam first reflecting surface 12 can be formed by setting a shading plate, and the main low beam first reflecting surface 12 can be formed by setting a reflector.
  • the two reflecting surfaces 15, the first refracting surface 13 for the main low beam and the second refracting surface 14 for the main low beam can choose an appropriate refractive structure according to the actual light distribution setting.
  • a plano-convex lens can be provided to form the first main low beam first
  • the refracting surface 13 and the second refracting surface 14 for the main low beam are formed by arranging a convex-planar lens.
  • a part of the light collected by the main low beam light incident portion 11 strikes the main low beam first reflection surface 12 , and is reflected to the main low beam first reflection surface 12 through the main low beam first reflection surface 12 .
  • the refracting surface 13 is refracted by the first refracting surface 13 of the main low beam and then radiates to the second refracting surface 14 of the main low beam.
  • the main low beam cut-off line structure 121 is then emitted, and is refracted by the main low beam first refraction surface 13 and then emitted to the main low beam second refraction surface 14, and a part is directly refracted by the main low beam first refraction surface 13 and then emitted to the main low beam first refraction surface 13.
  • the main low beam second refraction surface 14, the main low beam second refraction surface 14 refracts the incident light to form a light shape consistent with the light distribution of the main low beam illumination light shape, and is reflected by the main low beam second After the surface 15 is projected, a main low beam intermediate light shape with a main low beam cut-off line is formed, and is reflected to the light exit surface 3 by the second main low beam reflection surface 15 .
  • the main low beam second reflection surface 15 is a plane, it only plays the role of bending the optical path, and does not participate in the light distribution, but since the outgoing direction of the outgoing light from the main low beam second refraction surface 14 is upward, it is necessary to make The outgoing light exits forward, and the light refracted by the main low beam second refraction surface 14 needs to be reflected by the main low beam second reflection surface 15 before being projected through the light exit surface 3 for illumination, which can be combined with the auxiliary low beam unit. 2 to match, thereby reducing the front and rear dimensions of the headlight optical system.
  • the main low beam second reflection surface 15 may not be provided, and the main low beam light entry part 11 , the main low beam first reflection surface 12 , the main low beam first reflection surface 12 , and the main low beam
  • the first refracting surface 13 and the second refracting surface 14 of the main low beam are arranged in sequence from the back to the front, so that the light refracted by the second refracting surface 14 of the main low beam can form the intermediate light shape of the main low beam and form the middle of the main low beam.
  • the light of the light shape can be directly emitted through the light emitting surface 3 to form the main low beam lighting light shape.
  • the main low beam second reflecting surface 15 can also be a curved surface.
  • the main low beam second reflecting surface 15 participates in the light distribution, and the light refracted by the main low beam second refraction surface 14 strikes the main low beam second reflecting surface 14
  • the main low beam intermediate light shape can be formed only after the second reflection surface 15 is reflected, and then the main low beam illumination light shape is formed after being projected by the light exit surface 3 .
  • the optical system of the vehicle lamp of the present invention includes a high beam unit.
  • the light part includes a first light incident surface for high beams, a second light incident surface for high beams, and a third reflection surface for high beams
  • the first reflection surface of the light guide structure of the high beam unit is the first reflection surface for high beams
  • the second reflection surface is the second reflection surface of the high beam, and a part of the light collected by the light incident part of the high beam is incident on the first reflection surface of the high beam, and the first reflection surface of the high beam can enter the The light reflected by the high beam is reflected to the second reflection surface of the high beam, and the other part of the light collected by the light incident part of the high beam directly strikes the second reflection surface of the high beam; the second reflection surface of the high beam can After the light is reflected, a high beam intermediate light shape is formed, and the light forming the high beam intermediate light shape is reflected to the light emitting surface 3 , and is projected
  • the high beam entrance part, the high beam first reflection surface and the high beam second reflection surface are arranged in order along the up and down direction, the high beam first reflection surface is a plane, and the high beam second reflection surface is a curved surface.
  • the high beam unit and the light emitting surface 3 are preferably formed into one body to form an integral light guide member.
  • the high-beam unit and the light-emitting surface 3 can also be set independently.
  • the first high-beam reflection surface can be formed by setting a shading plate
  • the second high-beam reflection surface can be formed by setting a reflector.
  • the first light reflecting surface and the second high beam reflecting surface may also be reflecting surfaces formed by using other reflecting structures.
  • the above-mentioned high-beam unit may be a main high-beam unit and an auxiliary high-beam unit with the same structure, the main high-beam unit is suitable for forming the main high-beam intermediate light shape, the auxiliary high-beam unit is suitable for forming the auxiliary high-beam intermediate light shape,
  • the light forming the intermediate light shape of the main high beam and the light forming the intermediate light shape of the auxiliary high beam are projected through the light exit surface 3 to form the main high beam lighting light shape and the auxiliary high beam lighting light shape, the main high beam lighting light shape and the auxiliary high beam lighting light shape. After superposition, a complete high beam lighting light shape is formed, and the light forming the high beam lighting light shape is projected to the front of the vehicle for lighting.
  • the vehicle light optical system further includes a signal light unit 5, the signal light unit 5 is arranged behind the light exit surface 3, and the signal light unit 5 includes a signal light incident surface 51 and a signal light reflection surface 52, The signal light reflecting surface 52 can reflect the light incident from the light incident surface 51 of the signal light to the light exit surface 3 and exit through the light exit surface 3 to realize the signal light function.
  • the signal light functions that can be realized by the signal light unit 5 include functions such as daytime running lights, or front position lights or turn signals.
  • the multiplexing of the signal light function and the lighting function can be realized, and there is no need to set up a signal light independent of the vehicle light optical system, thereby greatly reducing the space occupied by the vehicle light. , which makes the shape of the vehicle lamp more beautiful; and the signal lamp unit 5 and the lighting unit share a light-emitting surface, so that the structure of the vehicle lamp optical system is more compact and the overall size is smaller.
  • the vehicle light optical system includes a lighting unit group and a plurality of signal light units 5
  • the lighting unit group includes at least one main low beam unit 1 and a plurality of auxiliary low beam units 2
  • the main low beam second refraction surface 14 of the main low beam unit 1 the main low beam second reflection surface 15, the auxiliary low beam unit 2 and the signal light unit 5 are all connected with the light exit surface 3 as a whole.
  • the low beam incident part 11 , the main low beam first reflecting surface 12 and the main low beam first refraction surface 13 are connected into one body.
  • the light emitting surface 3 is divided into two parts, the signal light area 31 at the upper part and the low beam area 32 at the lower part.
  • the signal light unit 5 is located at Above the lighting unit group, the outgoing light of the signal light unit 5 is emitted through the signal light area 31 of the light exit surface 3 to realize the signal light function.
  • the outgoing light of the lighting unit group passes through the low beam of the light exit surface 3.
  • Area 32 exits for low beam illumination.
  • the upper and lower positions of the signal light area 31 and the low beam area 32 can also be reversed, that is, the low beam area 32 is located above the signal light area 31.
  • the signal light area 31 and the low beam area 32 can also be arranged in the left and right directions, but it is necessary to ensure that the signal light area The light emitted from the area 31 will not interfere with the light emitted through the low beam area 32. Accordingly, the relative positions of the lighting unit group and the signal light unit 5 can be adjusted according to the relative positions of the signal light area 31 and the low beam area 32. That is, the lighting unit group can be located above, left or right of the signal light unit 5 . When the lighting unit group is located above the signal light unit 5 , the light incident portion is correspondingly arranged above the light guide structure. In addition, it can be seen from FIG.
  • the signal light units 5 are arranged along the length direction of the light emitting surface 3, and the arrangement trend can also be consistent with the extending trend of the light emitting surface 3, so as to form a strip signal light effect matching the modeling surface.
  • a plurality of the signal light units 5 may be arranged in a spaced arrangement, that is, adjacent signal light units 5 are not connected. They are connected together as a whole, as shown in Figure 9 , Figure 10 , Figure 12 and Figure 18 .
  • the signal light reflecting surface 52 is provided with a light diffusing structure 521 , which can diffuse the incident light and improve the uniformity of the lighting effect of the signal light unit 5 .
  • the light diffusing structure 521 is in a grid shape.
  • the light diffusing structure 521 can also be other structures capable of diffusing light.
  • the light diffusing structure 521 is striped shaped or serrated.
  • a second aspect of the present invention provides a vehicle lamp module, including the vehicle lamp optical system described in the first aspect and a light source matched with the vehicle lamp optical system.
  • the vehicle light optical system includes a lighting unit group and a plurality of signal light units 5.
  • the lighting unit group includes at least one main low beam unit 1 and a plurality of auxiliary low beam units 2.
  • all the The light source includes an illumination light source 4 matched with the main low beam unit 1 and the auxiliary low beam unit 2 , and a signal light source 6 matched with the signal light unit 5 .
  • the illumination light source 4 is arranged relative to the first light incident surface and the second light incident surface of the light incident part, so that as much light as possible is incident on the two light incident surfaces, and the illumination light source 4 Consistent with the number of lighting units.
  • the number of signal light sources 6 and signal light units 5 is the same. By controlling the closing and brightness of each signal light source 6, the dynamic change function of the signal lights such as breathing and running water lights can be realized.
  • the design of various shapes of the light exit window of the vehicle lamp can be realized.
  • a third aspect of the present invention provides a vehicle lamp, including the vehicle lamp module described in the second aspect.
  • the vehicle lamp can realize the design of various shapes of the light exit window.
  • a fourth aspect of the present invention provides a vehicle, including 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.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

一种车灯光学系统、车灯模组、车灯及车辆，车灯光学系统包括照明单元或具有多个照明单元的照明单元组，照明单元的前方设有出光面(3)，照明单元包括入光部（11， 21）和导光结构，入光部（11， 21）设置为能够使得射入的光线汇聚并出射至导光结构，导光结构包括第一反射面（12， 22）和第二反射面（15， 23），入光部（11， 21）汇聚的光线一部分射至第一反射面（12， 22），经第一反射面（12， 22）反射后，能够与入光部（11， 21）汇聚的光线的另一部分被第二反射面（15， 23）反射，第二反射面（15， 23）的出射光线投射后能够形成中间光形(a)，形成中间光形(a)的光线能够经出光面(3)出射形成照明光形(b)，中间光形(a)和照明光形(b)的光线分布一致。能够使得车灯的出光窗口的造型更多样化。

Description

车灯光学系统、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11月19日提交的中国专利申请202011306893.4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，涉及一种车灯光学系统。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，远近光的照明实现方式主要有透镜式和反射式两种，即：通过反射镜与透镜的组合或单独通过反射镜的形式形成车辆的照明灯光。现有技术的远近光模组的出光窗口呈现为圆透镜或方形透镜的样式，且该出光窗口的尺寸受限于反射镜和透镜的尺寸大小，出光窗口的上下开口尺寸很大，随着汽车造型需求的不断提升，人们更希望车灯出光窗口的上下开口尺寸更小、造型更多样化，例如，出光窗口呈窄长型且线条更多样的造型。
另外，位于汽车前侧的车灯除了用于实现远近光照明的近光灯和远光灯，还包括位置灯、转向灯及昼间行驶灯等关乎车辆安全的信号灯，现有技术的信号灯通常独立于远近光模组而设，由此增加了车灯所占的空间体积。
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系统，能够使得车灯的出光窗口的造型更多样化。
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，所述车灯模组能够实现车灯的出光窗口的造型多样化的设计。
本发明第三方面所要解决的技术问题是提供一种车灯，所述车灯能够实现出光窗口的造型多样化的设计。
本发明第四方面所要解决的技术问题是提供一种车辆，所述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系统，包括照明单元或具有多个所述照明单元的照明单元组，所述照明单元的前方设有出光面，所述照明单元包括入光部和导光结构，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结构，所述导光结构包括第一反射面和第二反射面，所述入光部汇聚的光线一部分射至所述第一反射面， 经所述第一反射面反射后，能够与所述入光部汇聚的光线的另一部分被所述第二反射面反射，所述照明单元或照明单元组的所述第二反射面的出射光线投射后能够形成中间光形，形成所述中间光形的光线能够经所述出光面出射形成照明光形，所述中间光形和所述照明光形的光线分布一致。
优选地，所述出光面为顺滑曲面，其纵截线为上下方向延伸的直线。
优选地，所述入光部为半聚光杯结构，其外部轮廓面包括平面和由远离所述导光结构的一端到靠近所述导光结构的一端口径逐渐增大的曲面，所述曲面形成为所述入光部的反射面，所述入光部远离所述导光结构的一端设有凹腔，所述凹腔的侧壁形成为所述入光部的第二入光面，所述凹腔靠近所述导光结构的一侧设有凸起，所述凸起形成为所述入光部的第一入光面。
优选地，所述照明单元为主近光单元、或辅助近光单元或远光单元，所述照明单元组包括多个相同的所述照明单元，或者包括主近光单元和辅助近光单元，所述照明单元组中的多个所述照明单元沿着所述出光面的长度方向间隔设置。
优选地，所述辅助近光单元的所述入光部为辅助近光入光部，所述辅助近光单元的所述导光结构的所述第一反射面为辅助近光第一反射面，所述第二反射面为辅助近光第二反射面，所述辅助近光入光部汇聚的光线一部分射至所述辅助近光第一反射面，所述辅助近光第一反射面能够将射入的光线反射至所述辅助近光第二反射面，所述辅助近光入光部汇聚的光线另一部分直接射至所述辅助近光第二反射面；所述辅助近光第二反射面能够将射入的光线反射后形成辅助近光中间光形，并将形成所述辅助近光中间光形的光线反射至所述出光面，经所述出光面投射后形成辅助近光照明光形；所述辅助近光第一反射面的靠近所述辅助近光第二反射面的边缘形成有辅助近光截止线结构。
优选地，所述辅助近光第一反射面和所述辅助近光第二反射面由下到上依次设在所述辅助近光入光部上方；所述辅助近光第一反射面为平面，所述辅助近光第二反射面为曲面。
优选地，所述辅助近光单元与所述出光面形成为一体。
优选地，所述主近光单元的所述入光部为主近光入光部，所述主近光单元的所述导光结构的所述第一反射面为主近光第一反射面，所述第二反射面为主近光第二反射面，所述主近光单元的所述导光结构还包括主近光第一折射面和主近光第二折射面，所述主近光入光部汇聚的光线一部分射至所述主近光第一反射面，所述主近光第一反射面能够将射入的光线经所述主近光第一折射面和主近光第二折射面依次折射后射至所述主近光第二反射面，所述主近光入光部汇聚的光线另一部分直接经所述主近光第一折射面和主近光第二折射面依次折 射后射至所述主近光第二反射面；所述主近光第二反射面能够将射入的光线反射至所述出光面；所述主近光第一反射面的靠近所述主近光第一折射面的边缘形成有主近光截止线结构。
优选地，所述主近光第一反射面、所述主近光第一折射面、所述主近光第二折射面和所述主近光第二反射面由下到上依次设在所述主近光入光部上方；所述主近光第一反射面为平面，所述主近光第一折射面为向上凸出的曲面，所述主近光第二折射面为向下凸出的曲面，所述主近光第二反射面为平面或曲面，其中，当所述主近光第二反射面为平面时，所述主近光第二折射面能够将射入的光线折射后形成与主近光照明光形的光线分布相一致的光形，并经所述主近光第二反射面投射后形成主近光中间光形；当所述主近光第二反射面为曲面时，所述主近光第二反射面能够将射入的光线反射后形成所述主近光中间光形，并将形成所述主近光中间光形的光线反射至所述出光面，经所述出光面投射后形成所述主近光照明光形。
优选地，所述主近光第二折射面和所述主近光第二反射面与所述出光面形成为一体，所述主近光入光部、所述主近光第一反射面和所述主近光第一折射面形成为一体。
优选地，所述远光单元的所述入光部为远光入光部，所述远光单元的所述导光结构的所述第一反射面为远光第一反射面，所述第二反射面为远光第二反射面，所述远光入光部汇聚的光线一部分射至所述远光第一反射面，所述远光第一反射面能够将射入的光线反射至所述远光第二反射面，所述远光入光部汇聚的光线另一部分直接射至所述远光第二反射面；所述远光第二反射面能够将射入的光线反射后形成远光中间光形，并将形成所述远光中间光形的光线反射至所述出光面，经所述出光面投射后形成远光照明光形。
优选地，所述远光单元与所述出光面形成为一体。
优选地，所述车灯光学系统还包括信号灯单元，所述信号灯单元设在所述出光面后方，所述信号灯单元包括信号灯入光面和信号灯反射面，所述信号灯反射面能够将由所述信号灯入光面射入的光线反射至所述出光面。
优选地，所述信号灯单元和所述照明单元沿上下方向设置，所述信号灯单元与所述出光面连为一体；所述信号灯单元的数量为一个或多个，当所述信号灯单元的数量为多个时，多个所述信号灯单元沿着所述出光面的长度方向排列设置。
优选地，所述信号灯反射面上设有光扩散结构。
本发明第二方面提供一种车灯模组，包括第一方面所述的车灯光学系统和与所述车灯光学系统相配合的光源。
本发明第三方面提供一种车灯，包括第二方面所述的车灯模组。
本发明第四方面提供一种车辆，包括第三方面所述的车灯。
本发明车灯光学系统的照明单元设置为能够使得射入的光线经其射出后即形成与照明光形的光线分布一致的中间光形，设置在照明单元前方的出光面的折射不会改变形成中间光形的光线分布，能够形成符合法规要求的照明光形，使得出光面可以设计为不同造型，能够满足造型面为自由曲面的设计要求，从而使得车灯的出光窗口的造型更加多样化。
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结构示意图；
图2是本发明一种实施方式中辅助近光单元与出光面的结构示意图；
图3是本发明一种实施方式中辅助近光单元的结构示意图一；
图4是本发明一种实施方式中辅助近光单元的结构示意图二；
图5是本发明一种实施方式中辅助近光单元的光路示意图；
图6是本发明一种实施方式中主近光单元与出光面的结构示意图；
图7是本发明一种实施方式中主近光单元的结构示意图；
图8是本发明一种实施方式中主近光单元的光路示意图；
图9是本发明另一种实施方式的结构示意图一；
图10是本发明另一种实施方式的结构示意图二；
图11是图10中A处的放大结构示意图；
图12是本发明另一种实施方式的结构示意图三；
图13是图12的B-B剖面图；
图14是本发明另一种实施方式中辅助近光单元和信号灯单元的光路示意图；
图15是图12的C-C剖面图；
图16是本发明另一种实施方式中主近光单元和信号灯单元的光路示意图；
图17是本发明另一种实施方式中出光面的主视图；
图18是本发明另一种实施方式中信号灯单元的结构示意图(不包括照明单元)；
图19是经本发明的照明单元出射后形成的中间光形与经出光面后形成的照明光形的对比图。
附图标记说明
1主近光单元                           11主近光入光部
111主近光第一入光面                   112主近光第二入光面
113主近光第三反射面                   12主近光第一反射面
121主近光截止线结构                    13主近光第一折射面
14主近光第二折射面                     15主近光第二反射面
2辅助近光单元                          21辅助近光入光部
211辅助近光第一入光面                  212辅助近光第二入光面
213辅助近光第三反射面                  22辅助近光第一反射面
221辅助近光截止线结构                  23辅助近光第二反射面
3出光面                                31信号灯区域
32近光区域                             4照明光源
5信号灯单元                            51信号灯入光面
52信号灯反射面                         521光扩散结构
6信号灯光源                            7虚拟屏幕
8配光屏幕                              a中间光形
b照明光形
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，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。其中，“上”是指靠近信号灯单元且远离照明单元的方向，“下”是与“上”相反的方向；“前”是指照明单元的光线出射方向，“后”是与“前”相反的方向；“左”、“右”是与“上”、“下”所在的方向以及“前”、“后”所在的方向都垂直的方向。
需要说明的是，下文中的“配光屏幕”是指测试灯具配光性能的屏幕，是设置在车辆前方25m处的铅垂屏幕；“虚拟屏幕”是假想的光线投射屏幕；“光线分布”是指光线投射在配光屏幕或虚拟屏幕上的光强分布、照度分布等光线特性；“光线分布一致”是指光线分布基本一致，在允许范围内都能符合车灯法规要求；“中间光形a”是指光线投射在虚拟屏幕上且能够形成特定形状的光形；“照明光形b”是指光线投射在配光屏幕上且能够形成特定形状的光形。
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。
本发明提供一种车灯光学系统，包括照明单元或具有多个照明单元的照明单元组，所述照明单元的前方设有出光面3，所述照明单元包括入光部和导光结构，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结构，所述导光结构包括第一反射面和第二反射面，所述入光部汇聚的光线一部分射至所述第一反射面，经所述第一反射面反射后，能够与所述入光部汇聚的光线的另一部分被所述第二反射面反射，所述照明单元或照明单元组的所述第二反射面的出射光线投射后能够形成中间光形a，形成所述中间光形a的光线能够经所述出光面3出射形成照明光形b，所述中间光形a和所述照明光形b的光线分布一致。
本发明车灯光学系统中，所述照明单元设置为能够使得射入的光线经其射出后即形成与照明光形b的光线分布一致的中间光形a，并能够将形成中间光形a的光线射至出光面3，通过出光面3将中间光形a的光线射出。虽然出光面3会对光线产生折射作用，但是出光面3的折射不会改变形成中间光形a的光线分布。如图19所示，在照明单元和出光面3之间如果假想地设置虚拟屏幕7，照明单元或照明单元组的出射光线投射在该虚拟屏幕7上的中间光形a的形状就与想要得到的照明光形b的形状基本相同；后面经出光面3的折射后投射到配光屏幕8上的照明光形b，依然为符合法规要求的照明光形，前后两个光形的形状基本相同，因此出光面3的折射不会改变中间光形a的光线分布。而在现有技术的照明模组中，在出光透镜之前无法形成具有特定形状的光形，即光线投射在虚拟屏幕上为不成形状的杂乱光斑，光线必须经出光透镜的折射后才能形成具有特定形状的照明光形，由此使得出光透镜的形状受到很大的限制。综上，由于本发明车灯光学系统的出光面3对经照明单元出射后形成的中间光形a的光线分布影响很小，使得出光面3可以设计为不同造型，能够满足造型面为自由曲面的设计要求，本发明可以根据出光面3的造型需求，结合照明单元的结构，即可实现具有不同造型出光面3的照明模组，从而使得车灯的出光窗口的造型更加多样化。
优选地，所述出光面3为顺滑曲面，其纵截线为上下方向延伸的直线。所述出光面3的纵截线设为上下方向延伸的直线，能够减小出光面3对光线在上下方向上的折射作用，使得形成中间光形a的光线经出光面3出射后只是左右方向上的微调，在上下方向上不会有变化，从而进一步减小出光面3对中间光形a的影响。
更具体地，所述入光部为半聚光杯结构，其外部轮廓面包括平面和由由远离所述导光结构的一端到靠近所述导光结构的一端口径逐渐增大的曲面，所述曲面形成为所述入光部的反射面，所述入光部远离所述导光结构的一端设有凹腔，所述凹腔的侧壁形成为所述入光部的第二入光面，所述凹腔靠近所述导光结构的一侧设有凸起，所述凸起形成为所述入光部的第一入光面，即所述入光部由平面、入光部的反射面、入光部的第一入光面和入光部的第二入光面围合而成。进入入光部的光线分为两部分射出，一部分光线直接经第一入光面射出并射至导光结构，另一部分光线经第二入光面射至入光部的反射面，并经该反射面反射至导光 结构。通过设置半聚光杯结构的入光部，相比采用整个聚光杯结构，能够对光线在前后方向实现更好的聚光效果，因此能够使对应的导光结构的上下前后尺寸可以做的很小，进而能够使得出光面3的上下尺寸变小，从而实现出光窗口的小开口设计。
具体地，所述照明单元为主近光单元1、或辅助近光单元2或远光单元，所述照明单元组包括多个相同的照明单元，或者包括主近光单元1和辅助近光单元2。当照明单元为多个时，出光面3可以设置为长条状的自由曲面，所述照明单元组中的多个照明单元可以沿着所述出光面3的长度方向间隔设置。由此，本发明车灯光学系统能够用于近光或远光照明模组中以实现近光或远光功能。另外，在实现远光功能时，还可以通过设置多个远光单元以及与多个远光单元相配合的多个照明光源4，通过控制各照明光源4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，即实现远光ADB功能；以及在实现近光功能时，还可以通过设置多个近光照明单元以及与多个近光照明单元相配合的多个照明光源4，即可以设置多个主近光单元1或设置多个主近光单元1和多个辅助近光单元2，独立控制每个近光照明单元的近光拐点截止线结构所对应的照明光源4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，从而实现AFS随动转向照明功能。因此，本发明的车灯光学系统可以根据不同的照明需求应用于近光灯、远光灯、角灯、弯道辅助照明灯或雾灯等，还可以实现AFS随动转向照明功能和远光ADB照明功能。
其中，需要说明的是，当照明单元为多个时，各照明单元和出光面3的相对位置需要根据出光面3的弯曲方向来确定，以保证出光面3对各照明单元的出射光线的折射不会影响中间光形a的光线分布，使得经出光面3射出后形成的照明光形b的形状与中间光形a的形状基本不变，并能够朝向前方出射，符合车灯法规要求，能够投射至车辆前方以用于照明。例如，当出光面3为如图1所示的朝向前方弯曲、且弯曲度较小时，多个照明单元的排列趋势可以和出光面3的延伸趋势相一致，当出光面3不是朝向前方弯曲或弯曲度很大时，则多个照明单元的排列趋势不能和出光面3的延伸趋势相一致，需根据出光面3对光线的折射程度适应性调整。
作为一种具体实施方式，如图1至图8所示，本发明车灯光学系统用于近光模组时，所述车灯光学系统包括照明单元组，所述照明单元组包括至少一个主近光单元1和多个辅助近光单元2。主近光单元1的出射光线适于形成主近光中间光形，辅助近光单元2的出射光线适于形成辅助近光中间光形，并将形成主近光中间光形的光线与形成辅助近光中间光形的光线通过出光面3投射后形成主近光照明光形和辅助近光照明光形，主近光照明光形和辅助 近光照明光形叠加后形成完整的近光照明光形，形成近光照明光形的光线投射至车辆前方用于照明。
具体地，如图2至图4所示，所述辅助近光单元2的所述入光部为辅助近光入光部21，辅助近光入光部21包括辅助近光第一入光面211、辅助近光第二入光面212和辅助近光第三反射面213，所述辅助近光单元2的所述导光结构的所述第一反射面为辅助近光第一反射面22，所述第二反射面为辅助近光第二反射面23，所述辅助近光入光部21汇聚的光线一部分射至所述辅助近光第一反射面22，所述辅助近光第一反射面22能够将射入的光线反射至所述辅助近光第二反射面23，所述辅助近光入光部21汇聚的光线另一部分直接射至所述辅助近光第二反射面23；所述辅助近光第二反射面23能够将射入的光线反射后形成辅助近光中间光形，并将形成所述辅助近光中间光形的光线反射至所述出光面3，经所述出光面3投射后形成辅助近光照明光形。
本实施方式中，通过设置辅助近光第一反射面22和辅助近光第二反射面23，能够更好地调节光线的传输方向，从而更好地形成预期光形，且能使得结构更加紧凑。其中，辅助近光第一反射面22和辅助近光第二反射面23由下到上依次设在辅助近光入光部21上方，由此，使得辅助近光入光部21汇聚的光线能够直接或经过辅助近光第一反射面22反射后射至辅助近光第二反射面23，并经辅助近光第二反射面23反射至出光面3。辅助近光第一反射面22为平面，能够更好地控制光线的出射方向，保证更多的光线入射到辅助近光第二反射面23上。辅助近光第二反射面23为曲面，使得射入的光线经辅助近光第二反射面23反射后才能形成辅助近光中间光形。
具体地，所述辅助近光第一反射面22的靠近所述辅助近光第二反射面23的边缘形成有用于形成辅助近光截止线的辅助近光截止线结构221。由于辅助近光截止线为水平线，不具有拐点，因此不需要设置与其对应的具有单焦点的次级光学部分，即不需要设置朝向辅助近光第一反射面22凸出的次级入光面，因此为了便于车灯光学系统的安装以及使得结构更紧凑，辅助近光单元2与出光面3优选形成为一体，可以构成一个整体的导光件。此时，如图13所示，辅助近光第一反射面22与辅助近光入光部21的平面连为一体，辅助近光第一反射面22优选由辅助近光入光部21的平面向上延伸而成，使得结构更紧凑；并且，在辅助近光第一反射面22上端设有拐角，以使得在该拐角处形成辅助近光截止线结构221。当然，辅助近光单元2与出光面3也可以分别独立设置，此时，可以通过设置遮光板以形成所述辅助近光第一反射面22，以及通过设置反射镜形成所述辅助近光第二反射面23，辅助近光第一反射面22和辅助近光第二反射面23也可以为采用其它反射结构所形成的反射面。
本实施方式中，如图5所示，辅助近光入光部21汇聚的光线一部分射至辅助近光第一反射面22，并经辅助近光第一反射面22反射至辅助近光第二反射面23，另一部分射至辅助近光第一反射面22边缘上的辅助近光截止线结构221，经辅助近光截止线结构221后射至辅助近光第二反射面23，还有一部分直接射至辅助近光第二反射面23，辅助近光第二反射面23将射入的光线反射后形成具有辅助近光截止线的辅助近光中间光形，并将形成辅助近光中间光形的光线反射至所述出光面3，经所述出光面3投射后形成具有辅助近光截止线的辅助近光照明光形。
具体地，如图6和图7所示，所述主近光单元1的所述入光部为主近光入光部11，主近光入光部11包括主近光第一入光面111、主近光第二入光面112和主近光第三反射面113，所述主近光单元1的所述导光结构的所述第一反射面为主近光第一反射面12，所述第二反射面为主近光第二反射面15，所述主近光单元1的所述导光结构还包括主近光第一折射面13和主近光第二折射面14，所述主近光入光部11汇聚的光线一部分射至所述主近光第一反射面12，所述主近光第一反射面12能够将射入的光线经所述主近光第一折射面13和主近光第二折射面14依次折射后射至所述主近光第二反射面15，所述主近光入光部11汇聚的光线另一部分直接经所述主近光第一折射面13和主近光第二折射面14依次折射后射至所述主近光第二反射面15；所述主近光第二反射面15能够将射入的光线反射至所述出光面3。
本实施方式中，通过设置主近光第一反射面12和主近光第二反射面15，能够更好地调节光线的传输方向，从而更好地形成预期光形，且能使得结构更加紧凑。其中，主近光第一反射面12、主近光第一折射面13、主近光第二折射面14和主近光第二反射面15由下到上依次设在主近光入光部11上方，由此，使得主近光入光部11汇聚的光线能够直接或经过主近光第一反射面12反射后依次经主近光第一折射面13和主近光第二折射面14折射至主近光第二反射面15，并经主近光第二反射面15反射至出光面3。优选地，主近光第一反射面12为平面，主近光第一折射面13为向上凸出的曲面，主近光第二折射面14为向下凸出的曲面，主近光第二反射面15为平面。
具体地，所述主近光第一反射面12的靠近所述主近光第一折射面13的边缘形成有用于形成主近光截止线的主近光截止线结构121。由于主近光截止线具有拐点，因此，需要设置朝向主近光第一反射面12凸出的次级入光面，即主近光第二折射面14，该主近光第二折射面14和主近光第二反射面15共同形成具有单焦点的次级光学部分，相应地，还需要设置主近光第一折射面13以形成初级出光面，该主近光第一折射面13、主近光第一反射面12和主近光入光部11共同形成车灯光学系统的初级光学部分，因此，当主近光单元1与出光 面3形成为一体时，主近光第二折射面14、主近光第二反射面15与出光面3优选形成为一体，构成一个整体的次级导光件，主近光入光部11、主近光第一反射面12和主近光第一折射面13优选形成为一体，构成一个整体的初级导光件，同时也使得当主近光单元1与辅助近光单元2相配合时，可以方便调节主近光照明光形和辅助近光照明光形之间的相对位置，即方便调光。其中，如图15所示，主近光入光部11、主近光第一反射面12和主近光第一折射面13连为一体时，主近光第一反射面12与主近光入光部11的平面连为一体，主近光第一反射面12优选由主近光入光部11的平面向上延伸而成，使得结构更紧凑；并且，在主近光第一反射面12上端设有拐角，以使得在该拐角处形成主近光截止线结构121。当然，主近光单元1与出光面3也可以分别独立设置，此时，可以通过设置遮光板以形成所述主近光第一反射面12，以及通过设置反射镜形成所述主近光第二反射面15，主近光第一折射面13和主近光第二折射面14可以根据实际配光设置选择合适的折射结构，例如，可以通过设置平凸透镜以形成所述主近光第一折射面13，以及通过设置凸平透镜形成所述主近光第二折射面14。
本实施方式中，如图8所示，主近光入光部11汇聚的光线一部分射至主近光第一反射面12，并经主近光第一反射面12反射至主近光第一折射面13，经主近光第一折射面13折射后射至主近光第二折射面14，另一部分射至主近光第一反射面12边缘上的主近光截止线结构121，经主近光截止线结构121后射出，并经主近光第一折射面13折射后射至主近光第二折射面14，还有一部分直接经主近光第一折射面13折射后射至主近光第二折射面14，主近光第二折射面14将射入的光线折射后形成与主近光照明光形的光线分布相一致的光形，并经所述主近光第二反射面15投射后形成具有主近光截止线的主近光中间光形，并经主近光第二反射面15反射至出光面3。其中，由于主近光第二反射面15为平面，其仅起到弯折光路的作用，并不参与配光，但是由于主近光第二折射面14的出射光线的出射方向向上，要使出射光线向前出射，需将主近光第二折射面14折射后的光线经主近光第二反射面15反射后才能经出光面3投射出去以用于照明，其可以与辅助近光单元2相匹配，从而减小车灯光学系统的前后尺寸。由于主近光第二反射面15不参与配光，因此也可以不设置该主近光第二反射面15，将主近光入光部11、主近光第一反射面12、主近光第一折射面13和主近光第二折射面14依次由后向前设置，使得经主近光第二折射面14折射后的光线即可形成主近光中间光形，形成主近光中间光形的光线能够直接经出光面3出射形成主近光照明光形。另外，主近光第二反射面15也可以为曲面，此时，主近光第二反射面15参与配光，经主近光第二折射面14折射后的光线射至主近光第二反射面15，此时经主近光第二折射面14折 射后的光线还不能形成具有特定形状的光形，更不能形成与主近光照明光形光线分布相一致的光形，需要经主近光第二反射面15反射后才能形成主近光中间光形，再经所述出光面3投射后形成主近光照明光形。
当本发明车灯光学系统用于远光模组时，本发明车灯光学系统包括远光单元，具体地，所述远光单元的所述入光部为远光入光部，远光入光部包括远光第一入光面、远光第二入光面和远光第三反射面，所述远光单元的所述导光结构的所述第一反射面为远光第一反射面，所述第二反射面为远光第二反射面，所述远光入光部汇聚的光线一部分射至所述远光第一反射面，所述远光第一反射面能够将射入的光线反射至所述远光第二反射面，所述远光入光部汇聚的光线另一部分直接射至所述远光第二反射面；所述远光第二反射面能够将射入的光线反射后形成远光中间光形，并将形成所述远光中间光形的光线反射至所述出光面3，经所述出光面3投射后形成远光照明光形。其中，远光入光部、远光第一反射面和远光第二反射面为沿上下方向依次设置，远光第一反射面为平面，远光第二反射面为曲面。同样地，远光单元与出光面3优选形成为一体，构成一个整体的导光件。当然，远光单元与出光面3也可以分别独立设置，此时，可以通过设置遮光板以形成所述远光第一反射面，以及通过设置反射镜形成所述远光第二反射面，远光第一反射面和远光第二反射面也可以为采用其它反射结构所形成的反射面。另外，上述远光单元可以为结构相同的主远光单元和辅助远光单元，主远光单元适于形成主远光中间光形，辅助远光单元适于形成辅助远光中间光形，并将形成主远光中间光形的光线与形成辅助远光中间光形的光线通过出光面3投射后形成主远光照明光形和辅助远光照明光形，主远光照明光形和辅助远光照明光形叠加后形成完整的远光照明光形，形成远光照明光形的光线投射至车辆前方用于照明。
作为另一种实施方式，所述车灯光学系统还包括信号灯单元5，所述信号灯单元5设在所述出光面3后方，所述信号灯单元5包括信号灯入光面51和信号灯反射面52，所述信号灯反射面52能够将由所述信号灯入光面51射入的光线反射至所述出光面3，并经所述出光面3射出以实现信号灯功能。通过该信号灯单元5可以实现的信号灯功能包括日行灯、或前位灯或转向灯等功能。由此，通过将信号灯单元5和照明单元复合在一起，可以实现信号灯功能和照明功能的复用，不需要另外设置独立于车灯光学系统的信号灯，从而大大缩小了车灯所占的空间体积，使得车灯造型更美观；并且信号灯单元5和照明单元共用一个出光面，从而使得车灯光学系统的结构更加紧凑、整体尺寸更小。
具体地，如图9至图16所示，所述车灯光学系统包括照明单元组和多个信号灯单元5，所述照明单元组包括至少一个主近光单元1和多个辅助近光单元2，所述主近光单元1的主 近光第二折射面14、主近光第二反射面15、辅助近光单元2和所述信号灯单元5均与所述出光面3连为一体，主近光入光部11、主近光第一反射面12和主近光第一折射面13连为一体。如图17所示，所述出光面3分为两部分区域，位于上部的信号灯区域31和位于下部的近光区域32，对应地，如图13和图15所示，所述信号灯单元5位于所述照明单元组的上方，所述信号灯单元5的出射光线经所述出光面3的信号灯区域31射出，以实现信号灯功能，所述照明单元组的出射光线经所述出光面3的近光区域32射出，以实现近光照明。当然，信号灯区域31和近光区域32的上下位置也可以对调，即近光区域32位于信号灯区域31上方，当然，信号灯区域31和近光区域32也可以沿左右方向设置，但要保证经信号灯区域31射出的光线与经近光区域32射出的光线不会产生干扰，相应地，所述照明单元组和信号灯单元5的相对位置可以根据信号灯区域31和近光区域32的相对位置进行调整，即所述照明单元组可以位于信号灯单元5的上方、左侧或右侧，当照明单元组位于信号灯单元5的上方时，相应地，入光部设在导光结构的上方。另外，由图12可以看出，出光面3朝向前方弯曲、且弯曲度较小，因此照明单元组中的多个照明单元的排列趋势可以和出光面3的延伸趋势相一致，相应地，多个信号灯单元5沿着所述出光面3的长度方向排列设置，且其排列趋势也可以和出光面3的延伸趋势相一致，以形成与造型面相匹配的带状信号灯效果。其中，多个所述信号灯单元5可以为间隔排列设置，即各相邻信号灯单元5之间不相连，当然，多个所述信号灯单元5也可以为紧密排列设置，且各相邻信号灯单元5之间连为一体，具体如图9、图10、图12和图18所示。
优选地，所述信号灯反射面52上设有光扩散结构521，能够对射入的光线进行扩散，提高信号灯单元5点灯效果的均匀性。具体地，如图10和图11所示，该光扩散结构521呈网格状，当然，该光扩散结构521也可以为其它能够对光线进行扩散的结构，例如，该光扩散结构521呈条纹状或锯齿状。
本发明第二方面提供一种车灯模组，包括第一方面所述的车灯光学系统和与所述车灯光学系统相配合的光源。作为一种具体实施方式，所述车灯光学系统包括照明单元组和多个信号灯单元5，所述照明单元组包括至少一个主近光单元1和多个辅助近光单元2，对应地，所述光源包括与所述主近光单元1和所述辅助近光单元2相配合的照明光源4，以及与所述信号灯单元5相配合的信号灯光源6。其中，如图14和图16所示，照明光源4相对入光部的第一入光面和第二入光面设置，以使尽可能多的光线入射至两个入光面，照明光源4与照明单元的数量相一致。信号灯光源6与信号灯单元5的数量相一致，信号灯光源6与信号灯入光面51一一对应设置，以使信号灯光源6发出的光线能够进入信号灯入光面51。通过对 各信号灯光源6的关闭、亮暗的控制，可以实现呼吸、流水灯等信号灯的动态变化功能。
通过设置所述车灯光学系统，能够实现车灯的出光窗口的造型多样化的设计。
本发明第三方面提供一种车灯，包括第二方面所述的车灯模组。
通过设置所述车灯模组，所述车灯能够实现出光窗口的造型多样化的设计。
本发明第四方面提供一种车辆，包括第三方面所述的车灯。
通过设置所述车灯，所述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。
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 (18)

  1. 一种车灯光学系统，其特征在于，包括照明单元或具有多个所述照明单元的照明单元组，所述照明单元的前方设有出光面(3)，所述照明单元包括入光部和导光结构，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结构，所述导光结构包括第一反射面和第二反射面，所述入光部汇聚的光线一部分射至所述第一反射面，经所述第一反射面反射后，能够与所述入光部汇聚的光线的另一部分被所述第二反射面反射，所述照明单元或照明单元组的所述第二反射面的出射光线投射后能够形成中间光形(a)，形成所述中间光形(a)的光线能够经所述出光面(3)出射形成照明光形(b)，所述中间光形(a)和所述照明光形(b)的光线分布一致。
  2. 根据权利要求1所述的车灯光学系统，其特征在于，所述出光面(3)为顺滑曲面，其纵截线为上下方向延伸的直线。
  3. 根据权利要求1所述的车灯光学系统，其特征在于，所述入光部为半聚光杯结构，其外部轮廓面包括平面和由远离所述导光结构的一端到靠近所述导光结构的一端口径逐渐增大的曲面，所述曲面形成为所述入光部的反射面，所述入光部远离所述导光结构的一端端设有凹腔，所述凹腔的侧壁形成为所述入光部的第二入光面，所述凹腔靠近所述导光结构的一侧设有凸起，所述凸起形成为所述入光部的第一入光面。
  4. 根据权利要求1所述的车灯光学系统，其特征在于，所述照明单元为主近光单元(1)、或辅助近光单元(2)或远光单元，所述照明单元组包括多个相同的所述照明单元，或者包括主近光单元(1)和辅助近光单元(2)，所述照明单元组中的多个所述照明单元沿着所述出光面(3)的长度方向间隔设置。
  5. 根据权利要求4所述的车灯光学系统，其特征在于，所述辅助近光单元(2)的所述入光部为辅助近光入光部(21)，所述辅助近光单元(2)的所述导光结构的所述第一反射面为辅助近光第一反射面(22)，所述第二反射面为辅助近光第二反射面(23)，所述辅助近光入光部(21)汇聚的光线一部分射至所述辅助近光第一反射面(22)，所述辅助近光第一反射面(22)能够将射入的光线反射至所述辅助近光第二反射面(23)，所述辅助近光入光部(21)汇聚的光线另一部分直接射至所述辅助近光第二反射面(23)；所述辅助近光第二反射面(23)能够将射入的光线反射后形成辅助近光中间光形，并将形成所述辅助近光中间光形的光线反射至所述出光面(3)，经所述出光面(3)投射后形成辅助近光照明光形；所述辅助近光第一反射面(22)的靠近所述辅助近光第二反射面(23)的边缘形成有辅助近光截止线结构(221)。
  6. 根据权利要求5所述的车灯光学系统，其特征在于，所述辅助近光第一反射面(22)和所述辅助近光第二反射面(23)由下到上依次设在所述辅助近光入光部(21)上方；所述辅助近光第一反射面(22)为平面，所述辅助近光第二反射面(23)为曲面。
  7. 根据权利要求5所述的车灯光学系统，其特征在于，所述辅助近光单元(2)与所述出光面(3)形成为一体。
  8. 根据权利要求4所述的车灯光学系统，其特征在于，所述主近光单元(1)的所述入光部为主近光入光部(11)，所述主近光单元(1)的所述导光结构的所述第一反射面为主近光第一反射面(12)，所述第二反射面为主近光第二反射面(15)，所述主近光单元(1)的所述导光结构还包括主近光第一折射面(13)和主近光第二折射面(14)，所述主近光入光部(11)汇聚的光线一部分射至所述主近光第一反射面(12)，所述主近光第一反射面(12)能够将射入的光线经所述主近光第一折射面(13)和主近光第二折射面(14)依次折射后射至所述主近光第二反射面(15)，所述主近光入光部(11)汇聚的光线另一部分直接经所述主近光第一折射面(13)和主近光第二折射面(14)依次折射后射至所述主近光第二反射面(15)；所述主近光第二反射面(15)能够将射入的光线反射至所述出光面(3)；所述主近光第一反射面(12)的靠近所述主近光第一折射面(13)的边缘形成有主近光截止线结构(121)。
  9. 根据权利要求8所述的车灯光学系统，其特征在于，所述主近光第一反射面(12)、所述主近光第一折射面(13)、所述主近光第二折射面(14)和所述主近光第二反射面(15)由下到上依次设在所述主近光入光部(11)上方；所述主近光第一反射面(12)为平面，所述主近光第一折射面(13)为向上凸出的曲面，所述主近光第二折射面(14)为向下凸出的曲面，所述主近光第二反射面(15)为平面或曲面，其中，
    当所述主近光第二反射面(15)为平面时，所述主近光第二折射面(14)能够将射入的光线折射后形成与主近光照明光形的光线分布相一致的光形，并经所述主近光第二反射面(15)投射后形成主近光中间光形；当所述主近光第二反射面(15)为曲面时，所述主近光第二反射面(15)能够将射入的光线反射后形成所述主近光中间光形，并将形成所述主近光中间光形的光线反射至所述出光面(3)，经所述出光面(3)投射后形成所述主近光照明光形。
  10. 根据权利要求8所述的车灯光学系统，其特征在于，所述主近光第二折射面(14)和所述主近光第二反射面(15)与所述出光面(3)形成为一体，所述主近光入光部(11)、所述主近光第一反射面(12)和所述主近光第一折射面(13)形成为一体。
  11. 根据权利要求4所述的车灯光学系统，其特征在于，所述远光单元的所述入光部为远光入光部，所述远光单元的所述导光结构的所述第一反射面为远光第一反射面，所述第二反射面为远光第二反射面，所述远光入光部汇聚的光线一部分射至所述远光第一反射面，所述远光第一反射面能够将射入的光线反射至所述远光第二反射面，所述远光入光部汇聚的光线另一部分直接射至所述远光第二反射面；所述远光第二反射面能够将射入的光线反射后形成远光中间光形，并将形成所述远光中间光形的光线反射至所述出光面(3)，经所述出光面(3)投射后形成远光照明光形。
  12. 根据权利要求11所述的车灯光学系统，其特征在于，所述远光单元与所述出光面(3)形成为一体。
  13. 根据权利要求1至12中任一项所述的车灯光学系统，其特征在于，所述车灯光学系统还包括信号灯单元(5)，所述信号灯单元(5)设在所述出光面(3)后方，所述信号灯单元(5)包括信号灯入光面(51)和信号灯反射面(52)，所述信号灯反射面(52)能够将由所述信号灯入光面(51)射入的光线反射至所述出光面(3)。
  14. 根据权利要求13所述的车灯光学系统，其特征在于，所述信号灯单元(5)和所述照明单元沿上下方向设置，所述信号灯单元(5)与所述出光面(3)连为一体；所述信号灯单元(5)的数量为一个或多个，当所述信号灯单元(5)的数量为多个时，多个所述信号灯单元(5)沿着所述出光面(3)的长度方向排列设置。
  15. 根据权利要求13所述的车灯光学系统，其特征在于，所述信号灯反射面(52)上设有光扩散结构(521)。
  16. 一种车灯模组，其特征在于，包括权利要求1至15中任一项所述的车灯光学系统和与所述车灯光学系统相配合的光源。
  17. 一种车灯，其特征在于，包括权利要求16所述的车灯模组。
  18. 一种车辆，其特征在于，包括权利要求17所述的车灯。
PCT/CN2021/098411 2020-11-19 2021-06-04 车灯光学系统、车灯模组、车灯及车辆 WO2022105196A1 (zh)

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