WO2022001087A1 - 车灯光学单元、车灯模组和车辆 - Google Patents

车灯光学单元、车灯模组和车辆 Download PDF

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Publication number
WO2022001087A1
WO2022001087A1 PCT/CN2021/071523 CN2021071523W WO2022001087A1 WO 2022001087 A1 WO2022001087 A1 WO 2022001087A1 CN 2021071523 W CN2021071523 W CN 2021071523W WO 2022001087 A1 WO2022001087 A1 WO 2022001087A1
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WIPO (PCT)
Prior art keywords
light
light incident
vehicle
channel
optical unit
Prior art date
Application number
PCT/CN2021/071523
Other languages
English (en)
French (fr)
Inventor
董世琨
祝贺
魏茂炜
孟凡
严梦
刘正楠
桑文慧
Original Assignee
华域视觉科技(上海)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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 EP21832556.1A priority Critical patent/EP4137744A4/en
Publication of WO2022001087A1 publication Critical patent/WO2022001087A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled 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
    • F21S41/27—Thick lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • 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
    • 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

Definitions

  • the present invention relates to a vehicle lighting device, in particular, to an optical unit of a vehicle light. In addition, it also relates to a vehicle lamp module and a vehicle.
  • vehicle lighting devices need to be provided with multiple vehicle lighting units, such as low beams, high beams, daytime running lights, and position lights.
  • Each vehicle lighting unit is usually distributed independently of each other. , and each vehicle lighting unit needs to be provided with a corresponding light incident part and a light exit part separately, so as to generate multiple lighting areas or lighting effects.
  • the scattered and independent setting of multiple vehicle lighting units will not only cause the entire vehicle lighting device to occupy a large space, increase the volume of the vehicle lamp, but also increase the positioning and installation error between various components, affecting the accuracy of the optical system.
  • the light source of the vehicle lighting unit is usually arranged behind the light incident part thereof, and a light spot is formed when the vehicle lamp is turned on, which affects the appearance effect of the vehicle lamp when the vehicle lamp is turned on.
  • the first technical problem to be solved by the present invention is to provide a vehicle light optical unit, which can improve the appearance visual effect when the vehicle lamp is lit, and meet the requirements of various vehicle lamp lighting modes and lighting modes.
  • the technical problem to be solved by the second aspect of the present invention is to provide a vehicle lamp module, which can improve the visual effect of appearance and meet the requirements of various vehicle lamp lighting modes and lighting modes.
  • the technical problem to be solved by the third aspect of the present invention is to provide a vehicle with diversified lighting modes and lighting modes and good lighting effects.
  • a first aspect of the present invention provides an optical unit for a vehicle light, which includes a first optical element, and the rear end surface and the front end surface of the first optical element along the light exit direction are the light incident structure reference plane and the first light exit respectively.
  • the rear end portion of the first optical element is formed as a light incident portion, and the light incident portion includes at least one first light incident structure arranged along the left and right directions of the reference plane of the light incident structure, and the light incident portion A first light channel is formed between it and the first light exit surface; wherein, the first light incident structure is arranged to extend from the upper side or the lower side of the light incident structure reference surface to the first light channel, Each of the first light incident structures can guide the light received by the first light incident structure to exit toward the first light channel and be transmitted to the first light exit surface along the first light channel.
  • each of the first light incident structures respectively includes a light concentrator located on the upper side or the lower side of the reference plane of the light incident structure and a light guide portion connected to the light concentrator,
  • the light guide portion extends from the light exit end of the light collector to the rear end of the first light channel, and the light guide portion is provided with a reflection portion, which can reflect the light emitted from the light collector. It is reflected to the direction toward the first light channel and exits.
  • a groove structure corresponding to the light guide part is respectively provided at the connection between the first light channel and each of the light guide parts, and each of the groove structures respectively includes a groove structure corresponding to the groove structure.
  • a light guide part connecting surface connected with the light guide part, an intermediate connecting surface connected with the light guide part connecting surface, and a light channel connecting surface connected with the intermediate connecting surface; wherein, the intermediate connecting surface is connected with the A first cut-off portion forming a first light-shaped cut-off line is provided at the connection of the light channel connecting surface.
  • the first light-emitting surface is a curved surface that protrudes forward
  • the first cut-off portion is located on the middle surface of the first light-emitting surface
  • the middle surface is a longitudinal direction passing through the first light-emitting surface. The horizontal plane of the stub vertex.
  • the first light emitting surface is a curved surface with continuous curvature.
  • a light guide is provided in the groove structure, and the light emitting surface of the light guide faces the connecting surface of the light channel, so that the light emitted from the light emitting surface of the light guide is transmitted to the first light channel through the first light channel. light surface.
  • the at least one first light incident structure is configured to have at least one low beam first light incident structure, or at least one high beam first light incident structure, or at least one of the near beam first incident light structures. a first light incident structure for light and at least one of the high beam first light incident structures.
  • the projection surfaces of the first light emitting surface and the reference surface of the light incident structure along the light emitting direction are in the shape of strips extending left and right, and the first light incident structure is configured as a plurality of the low beam A light incident structure and a plurality of the high beam first light incident structures, the low beam first light incident structures and the high beam first light incident structures are alternately arranged, and each of the concentrators is located in the The lower side of the reference plane of the light incident structure.
  • the distance between the first cut-off portion corresponding to the low beam first light incident structure and the upper surface of the first light channel is greater than the distance between the first light incident structure corresponding to the high beam first light incident structure.
  • the distance between a cut-off portion and the upper surface of the first optical channel is greater than the distance between the first light incident structure corresponding to the high beam first light incident structure.
  • the intermediate connecting surface corresponding to the first light incident structure of the low beam is arranged to be inclined upward from the back to the front, and the side of the intermediate connecting surface facing the first light channel is a reflective surface.
  • the middle connecting surface corresponding to the first light incident structure of the high beam is arranged to be inclined downward from the back to the front, and the side of the middle connecting surface facing away from the first light channel is a reflective surface.
  • the vehicle light optical unit further includes a second optical element, a notch for accommodating the second optical element is formed on one side of the first optical element in the left-right direction, and the The rear end surface and the front end surface of the second optical element along the light exit direction are the light incident surface and the second light exit surface, respectively, the light incident surface is provided with at least one second light incident structure, and the second optical element is arranged The light emitted from the second light emitting surface can be guided to exit through the first light emitting surface.
  • the first optical element is provided with a secondary light incident surface
  • the secondary light incident surface is located behind the first light exit surface and faces the notch
  • the secondary light incident surface includes at least A bulging surface
  • the light incident surface is provided with a plurality of the second light incident structures, and the plurality of the second light incident structures are arranged to have at least one low beam second light incident structure and at least one high beam second light incident structure. light structure.
  • each of the low beam second light incident structures and each of the high beam second light incident structures are light condensing structures respectively.
  • the low beam second light incident structure is located above the high beam second light incident structure, and the second light exit surface includes a low beam light exit surface located in front of the low beam second light incident structure and a low beam light exit surface located in front of the low beam second light incident structure.
  • a second cut-off portion for forming a second light-shaped cut-off line is provided at the connection between the bottom surface of the channel and the low-beam light-emitting surface.
  • the lower surface of the second light channel is set as a reflective surface.
  • the low beam light emitting surface is set as a forward convex curved surface.
  • a second aspect of the present invention provides a vehicle lamp module, comprising the above-mentioned vehicle lamp optical unit and light sources arranged in a one-to-one correspondence with the first light incident structure, and each of the light sources can be independently controlled to turn on and off.
  • a third aspect of the present invention provides a vehicle, including the above-mentioned vehicle lamp module.
  • the first optical element in the optical unit of the vehicle light of the present invention sets the first light incident structure to extend from one side of the upper and lower width directions of the reference plane of the light incident structure to the first light channel , the first light incident structure can guide the light received by it to exit toward the first light channel and transmit it to the first light exit surface along the first light channel, that is, the light source corresponding to the first light incident structure is located on the light incident structure reference surface.
  • the upper side or the lower side can effectively avoid light spots when the light source is located behind the first optical element, thereby avoiding the lighting effect of the lights in front of the lights from showing a row of light spots, and improving the appearance and visual effect of the optical unit of the lights
  • the headlight optical unit can meet the needs of various lighting modes and lighting modes of the headlights.
  • Fig. 1 is the structural schematic diagram 1 of the first specific embodiment of the optical unit of the vehicle light in the present invention
  • Fig. 2 is the structural schematic diagram 2 of the first specific embodiment of the optical unit of the vehicle light in the present invention
  • Fig. 3 is the structural schematic diagram 3 of the first specific embodiment of the optical unit of the vehicle light in the present invention.
  • Fig. 4 is the structural schematic diagram 4 of the first specific embodiment of the optical unit of the vehicle light in the present invention.
  • Fig. 5 is the structural schematic diagram 5 of the first specific embodiment of the optical unit of the vehicle light in the present invention.
  • Fig. 6 is the partial enlarged view of A part among Fig. 5;
  • Fig. 7 is the structural schematic diagram 6 of the first specific embodiment of the optical unit of the vehicle light in the present invention.
  • Fig. 8 is a partial enlarged view of part B in Fig. 7;
  • Fig. 9 is the top view 1 of the first specific embodiment of the optical unit of the vehicle light in the present invention.
  • Fig. 10 is the C-C sectional view of Fig. 9;
  • Fig. 11 is the light path diagram of the outgoing light of the first light incident structure of the low beam in Fig. 9;
  • Fig. 12 is the top view 2 of the first specific embodiment of the optical unit of the vehicle light in the present invention.
  • Figure 13 is a G-G sectional view of Figure 12;
  • Fig. 14 is the light path diagram of the outgoing light of the first light incident structure of the high beam in Fig. 12;
  • FIG. 15 is a schematic structural diagram 1 of the second specific embodiment of the optical unit of the vehicle light in the present invention.
  • Fig. 16 is the partial enlarged view of D part in Fig. 15;
  • 17 is a top view of the second specific embodiment of the optical unit of the vehicle light in the present invention.
  • Fig. 18 is the E-E sectional view of Fig. 17;
  • FIG. 19 is a second structural schematic diagram of the second specific embodiment of the optical unit of the vehicle light in the present invention.
  • 20 is a schematic structural diagram 1 of a specific embodiment of the second optical element in the present invention.
  • Fig. 21 is another structural schematic diagram of the second optical element in Fig. 20;
  • Fig. 22 is the light path diagram of the outgoing light of the second light incident structure of the low beam in Fig. 20;
  • Fig. 23 is the light path diagram of the outgoing light of the high beam second light incident structure in Fig. 20;
  • FIG. 24 is a schematic structural diagram 1 of the third specific embodiment of the optical unit of the vehicle light in the present invention.
  • Fig. 25 is the second structural schematic diagram of the third specific embodiment of the optical unit of the vehicle light in the present invention.
  • 26 is a top view of the third embodiment of the optical unit of the vehicle light in the present invention.
  • Fig. 27 is the F-F sectional view of Fig. 26;
  • FIG. 28 is a light pattern diagram corresponding to the first light incident structure of the low beam and the second light incident structure of the low beam in FIG. 20;
  • Figure 29 is a light pattern diagram corresponding to the first light incident structure of the high beam and the second light incident structure of the high beam in Figure 20;
  • FIG. 30 is a schematic structural diagram of the vehicle light optical unit shown in FIG. 20 being installed in the vehicle lamp module;
  • Fig. 31 is a road light diagram when the vehicle lamp module shown in Fig. 30 is applied to a vehicle lamp;
  • FIG. 32 is a line diagram of the road light shape when the vehicle lamp module shown in FIG. 30 is applied to the vehicle lamp.
  • the first optical element 11 Light incident structure reference plane
  • the first optical channel 131 The groove structure
  • connection may be a fixed connection or a flexible connection Detachable connection, or integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two elements or the interaction relationship between the two elements.
  • the longitudinal section line is a section line obtained by cutting the first light emitting surface 12 by a vertical plane perpendicular to the vertical tangent plane of the first light emitting surface 12 .
  • first and second are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or indicating the number of technical features indicated.
  • a “second” feature may expressly or implicitly include one or more of the stated feature.
  • front and rear refer to the front and rear directions of the optical unit of the headlight along the light-emitting direction, that is, the first light-emitting surface 12 is located in the front, and the light-incident structure reference surface 11 At the rear, the terms “left and right” refer to the left and right directions of the optical unit of the headlight along the light-emitting direction, and the terms “up and down” refer to the up and down directions of the optical unit of the headlight along the light-emitting direction.
  • a vehicle light optical unit provided by the first aspect of the present invention includes a first optical element 1 , and the rear of the first optical element 1 along the light exit direction
  • the end face and the front face are the light incident structure reference plane 11 and the first light exit plane 12 respectively.
  • the rear end of the first optical element 1 is formed as a light incident portion.
  • At least one first light incident structure a first light channel 13 is formed between the light incident part and the first light exit surface 12; wherein, the first light incident structure is arranged to extend from the upper side or the lower side of the light incident structure reference surface 11 To the first light channel 13 , each first light incident structure can guide the light received by the first light incident structure to exit toward the first light channel 13 and transmit to the first light exit surface 12 along the first light channel 13 .
  • the light received by the first light incident structure changes direction from the upper side or the lower side of the reference surface 11 of the light incident structure and then exits toward the first light channel 13, and exits along the first light channel 13.
  • the light channel 13 is transmitted to the first light emitting surface 12, and then emerges from the first light emitting surface 12 to form the required illumination light shape, which can effectively prevent the light source corresponding to the first light incident structure (ie, the light source 4 described below) from being located in the first light source.
  • a light spot is generated at the rear of the optical element 1, so as to avoid the lighting effect of the headlight in front of the headlight from showing a row of light spots, and improve the visual effect of the appearance of the headlight optical unit; Lighting mode and lighting mode requirements.
  • each of the first light incident structures respectively includes an upper side or a lower side of the reference plane 11 of the light incident structure.
  • the structure of the concentrator 113 can use various condensing elements, for example, it can be specifically set as a condensing cup, and the concave light source connecting portion is provided on the condensing cup, and correspondingly, the opening of the light source connecting portion faces upward or downward. side.
  • the reflection part 115 can be specifically set as a reflection plane or a reflection curved surface with a certain inclination angle opposite to the light-emitting end of the condenser 113 , that is, the light received by the condenser 113 exits to the reflection part 115 , and is reflected by the reflection part 115 toward the reflection part 115 .
  • the first light channel 13 exits and is transmitted to the first light emitting surface 12 through the first light channel 13 .
  • each groove structure 131 respectively includes a light guide part connecting surface 132 connected to the light guide part 114 corresponding to the groove structure 131,
  • the intermediate connection surface 133 connected with the optical part connection surface 132 and the optical channel connection surface 134 connected with the intermediate connection surface 133; wherein, the connection between the intermediate connection surface 133 and the optical channel connection surface 134 is provided with a first optical cut-off line.
  • the first cut-off portion 135 can be designed according to the specific application of the first optical element 1 , for example, it can be an auxiliary low beam cutoff line or an auxiliary high beam cutoff line.
  • the first light emitting surface 12 is preferably a curved surface that protrudes forward, and can be set as a single, smooth curved light emitting surface to improve the appearance of the lamp.
  • the first cut-off portion 135 is located on the middle surface of the first light-emitting surface 12 , and the middle surface is a horizontal plane passing through the vertex of the longitudinal section of the first light-emitting surface 12 , so that the first cut-off portion 135 is formed correspondingly.
  • the cut-off line of the first light shape is clearer and the light shape is better.
  • the first light emitting surface 12 is a curved surface with continuous curvature, which improves the appearance and light emitting effect of the first optical element 1 .
  • the at least one first light incident structure of the present invention can be specifically configured to have at least one low beam first light incident structure 111 , or at least one high beam first light incident structure 112 , or at least one low beam first light incident structure 111 and at least one high beam first incident light structure 112 .
  • the number of the low beam first light incident structures 111 and/or the high beam first light incident structures 112 may be one, two, three or more, which may be set according to the actual application requirements of the optical unit of the vehicle light.
  • the projection of the first light-emitting surface 12 and the light-incident structure reference surface 11 along the light-emitting direction The surface shapes are all strips extending from left to right.
  • the first light incident structure is configured as a plurality of low beam first light incident structures 111 and a plurality of high beam first light incident structures 112.
  • the first light incident structures 112 are alternately arranged, and each light collector 113 is located on the lower side of the reference plane 11 of the light incident structure.
  • the first optical element 1 can be used to form a partial light shape or a complete light shape of a low beam or a high beam at the same time, integrates multiple functions, and has a simple and compact structure design.
  • the low beam first incident light structure 111 and the high beam first incident light structure 112 are alternately arranged, which can satisfy the lighting effect of the first light emitting surface 12 in the two modes of low beam and high beam, and avoid the first light incident in the single low beam mode.
  • the first light emitting surface 12 is only partially lit, which affects the lighting effect of the headlights.
  • the first cut-off portion 135 corresponding to the low beam first light incident structure 111 and the upper surface of the first light channel 13 The distance is greater than the distance between the first cut-off portion 135 corresponding to the high beam first light incident structure 112 and the upper surface of the first light channel 13 , that is, the first cut-off portion 135 corresponding to the high beam first light incident structure 112 is higher than
  • the first cut-off portion 135 corresponding to the first light incident structure 111 of the low beam is located between the first cut-off portion 135 corresponding to the first light incident structure 111 of the low beam and the first cut-off portion 135 corresponding to the first light incident structure 112 of the high beam Has a step difference.
  • the intermediate connecting surface 133 corresponding to the first light incident structure 111 of the low beam is set to be inclined upward from the back to the front, and the side of the intermediate connecting surface 133 facing the first optical channel 13 is set as a reflective surface;
  • the middle connecting surface 133 corresponding to a light incident structure 112 is set to be inclined downward from the back to the front, and the side of the middle connecting surface 133 facing away from the first light channel 13 is also set as a reflective surface.
  • the first light incident structure 112 of the high beam uses the corresponding light guide part connecting surface 132 as the primary high beam light exit surface,
  • the light channel connecting surface 134 is used as the secondary high beam incident surface.
  • the light received by the high beam first light incident structure 112 is redirected by the light guide portion 114 and then emitted from the corresponding light guide portion connecting surface 132, and most of the light is emitted by the corresponding light guide portion connecting surface 132.
  • the first cut-off portion 135 of the light beam is cut off, it directly enters the first optical channel 13 through the corresponding optical channel connecting surface 134 and is transmitted to the first light emitting surface 12, and another small part of the light is emitted to its corresponding intermediate connecting surface 133 and is transmitted by the corresponding intermediate connecting surface 133.
  • the intermediate connecting surface 133 is reflected to the corresponding optical channel connecting surface 134 and continues to transmit in the first optical channel 13 to improve the light efficiency. light shape.
  • the vehicle light optical unit further includes a second optical element 2, and one side of the first optical element 1 in the left-right direction is formed to accommodate the second optical element
  • the notch of the optical element 2, the rear end surface and the front end surface of the second optical element 2 along the light exit direction are the light incident surface 21 and the second light exit surface 22 respectively, and the light incident surface 21 is provided with at least one second light incident structure.
  • the two optical elements 2 are arranged to be able to guide the light emitted from the second light exit surface 22 to exit through the first light exit surface 12 .
  • the first optical element 1 and the second optical element 2 share the first light emitting surface 12 , which is more favorable for matching the light shapes of the two, so that the optical unit of the vehicle light can form the desired shape of the vehicle light.
  • the first optical element 1 is provided with a secondary
  • the light incident surface 14 and the secondary light incident surface 14 are located behind the first light exit surface 12 and face the notch, and the secondary light incident surface 14 includes at least one curved surface that protrudes backwards.
  • the light incident surface 21 is provided with a plurality of second light incident structures, and the plurality of second light incident structures are arranged to have at least one low beam second light incident structure 211 and at least one second light incident structure 211.
  • a high beam second light incident structure 212 .
  • the specific numbers of the low beam second light incident structure 211 and the high beam second light incident structure 212 are set according to the requirements of the light shape formed by the second optical element 2.
  • the two are preferably integrally formed to improve the vehicle light optics. The installation accuracy of the unit.
  • each low beam second light incident structure 211 and each high beam second light incident structure 212 are respectively light condensing structures.
  • the condensing structure can be a condensing element such as a condensing cup, so as to improve the light efficiency.
  • the second low beam incident light structure 211 is located above the high beam second light incident structure 212
  • the second light exit surface 22 includes the low beam exit light located in front of the low beam second light incident structure 211 .
  • the surface 221 and the high beam light exit surface 222 located at the light exit end of the high beam second light incident structure 212.
  • a second light channel 23 is provided between the light exit end of the low beam second light incident structure 211 and the low beam light exit surface 221.
  • a second cut-off portion 24 for forming a second light-shaped cut-off line is provided at the connection between the bottom surface of the light channel 23 and the low-beam light-emitting surface 221 .
  • the second light shape cutoff line may be the main low beam cutoff line or the main high beam cutoff line.
  • the light received by the second light incident structure 211 of the low beam exits to the second light channel 23 , is transmitted to the low beam light exit surface 221 through the second light channel 23 , and is formed by the second cut-off portion 24 to have a main near beam.
  • the light shape of the light cut-off line; the light received by the high beam second light incident structure 212 is directly emitted from the high-beam light-emitting surface 222 , and the second cutoff portion 24 forms a light shape with a main high-beam cut-off line.
  • the lower surface of the second light channel 23 is set as a reflective surface.
  • the lower surface of the second light channel 23 is set as a reflective surface.
  • the low-beam light-emitting surface 221 is set as a curved surface that protrudes forward, specifically, a curved surface that protrudes in the up-down direction, or a curved surface that protrudes in the left-right direction, or protrudes in the up-down direction and the left-right direction at the same time.
  • the structure makes the light emitted from the low beam light exit surface 221 more concentrated, and more light enters the secondary light incident surface 14, thereby further improving the light efficiency.
  • the groove structure 131 may further be provided with a light guide 3 , and the light exit surface of the light guide 3 faces the light channel connecting surface 134 , so that the light guide 3
  • the light emitted from the light-emitting surface of the first light-emitting surface 12 is transmitted to the first light-emitting surface 12 through the first light channel 13 .
  • the light guide 3 shares the first light emitting surface 12 with the first optical element 1 and the second optical element 2, so that the optical unit of the vehicle light not only has the function of low beam lighting and/or high beam lighting, but also has the function of low beam III, daytime lighting.
  • the first optical element 1 when the first optical element 1 is provided with the first high beam light incident structure 112, there is a certain distance between the light guide 3 and the middle connecting surface 133 of the groove structure 131, so that the high beam first light incident structure
  • the outgoing light from the connecting surface 132 of the light guide portion corresponding to 112 can pass through and hit its corresponding optical channel connecting surface 134, and the minimum distance L between the two is set to be ⁇ 10mm, preferably 1mm ⁇ L ⁇ 5mm;
  • the distance L can be set to 0.
  • the vehicle light optical unit includes a first optical element 1 and a second optical element 2 .
  • the rear end surface and the front end surface of the optical element 1 along the light exit direction are the light incident structure reference surface 11 and the first light exit surface 12 respectively.
  • the rear end of the first optical element 1 is formed as a light incident portion, the light incident portion includes a first light incident structure arranged along the left and right directions of the light incident structure reference plane 11, the light incident portion and the first light exit surface A first light channel 13 is formed between 12, and the first light exit surface 12 is a curved surface with continuous curvature that protrudes forward; the first light incident structure is set to six low beam first light incident structures 111 and four high beam No.
  • a light incident structure 112, the low beam first light incident structure 111 and the high beam first light incident structure 112 are alternately arranged, and each low beam first light incident structure 111 and each high beam first light incident structure 112 respectively include
  • 114 corresponds to the groove structure 131, each groove structure 131 respectively includes a light guide part connecting surface 132 connected with the light guide part 114 corresponding to the groove structure 131, and an intermediate connecting surface 133 connected with the light guide part connecting surface 132.
  • the connection between the intermediate connecting surface 133 and the optical channel connecting surface 134 is provided with a first cut-off portion 135 forming a first optical cut-off line, and the first cut-off portion 135 is located at the The middle surface of the first light exit surface 12; the distance between the first cut-off portion 135 corresponding to the first light incident structure 111 of the low beam and the upper surface of the first light channel 13 is greater than that of the first light incident structure 112 of the high beam.
  • the intermediate connecting surface 133 corresponding to the first light incident structure 111 of the low beam is set to be inclined upward from the back to the front, and the intermediate connecting surface 133 faces the first
  • One side of the light channel 13 is a reflective surface
  • the middle connecting surface 133 corresponding to the first light incident structure 112 of the high beam is set to be inclined downward from the back to the front, and the middle connecting surface 133 faces the side of the first light channel 13 .
  • the right side of the first optical element 1 is formed with a notch for accommodating the second optical element 2, and a secondary light incident surface 14 is provided behind the first light-emitting surface 12 and facing the notch.
  • the secondary light incident surface 14 includes two rearward convex curved surfaces arranged left and right.
  • the rear end surface and the front end surface of the second optical element 2 along the light exit direction are the light incident surface 21 and the second light exit surface 22 respectively.
  • the second light exit surface 22 Set towards the secondary light incident surface 14, and the light incident surface 21 is provided with two The low beam second light incident structure 211 and two high beam second light incident structures 212, the low beam second light incident structure 211 is located above the high beam second light incident structure 212, and the high beam second light incident structure 212 emits light
  • the end is set as the high beam light exit surface 222, the front end of the low beam second light incident structure 211 is sequentially provided with a second light channel 23 and a low beam light exit surface 221, and the bottom surface of the second light channel 23 is connected with the low beam light exit surface 221.
  • the groove structure 131 can also be provided with a light guide 3 for forming a daytime running light shape.
  • the light exit surface of the light guide 3 faces the light channel connecting surface 134 , and the minimum distance L between the light guide 3 and the intermediate connecting surface 133 is set to 3mm.
  • the light concentrator 113 receives the light and sends it to the light guide portion 114 , and is reflected by the reflection portion 115 on the light guide portion 114 to the direction toward the first light channel 13 , and the light is transmitted to the first light exit surface 12 through the first light channel 13 , And the auxiliary low beam light shape b with the auxiliary low beam cut-off line is formed through its corresponding first cut-off part 135; when the light source 4 corresponding to the high beam first light incident structure 112 is turned on, the high beam first light incident structure 112 corresponds to The light concentrator 113 receives the light and transmits it to the light guide portion 114 , is reflected and redirected by the reflection portion 115 on the light guide portion 114 and then exits from the corresponding light guide portion connecting surface 132 and enters the second light channel through the corresponding optical channel connecting surface 134 .
  • a light channel 13 is transmitted to the first light exit surface 12, and at the same time, an auxiliary high beam beam shape c with an auxiliary high beam cut-off line is formed through the corresponding first cut-off portion 135;
  • the light source corresponding to the second light incident structure 211 of the low beam is turned on , the light received by the second light incident structure 211 of the low beam exits to the second light channel 23 , is transmitted to the low beam light exit surface 221 through the second light channel 23 , and then enters the second light entrance surface 14 and exits through the first light exit surface 12 , the main low beam light shape a with the main low beam cut-off line is formed by the second cut-off part 24;
  • the light source corresponding to the high beam second light incident structure 212 is turned on, and the light received by the high beam second light incident structure 212 is directly transmitted by the high beam
  • the light exit surface 222 exits, and then enters from the secondary light entrance surface 14 and exits through the first light exit surface 12, and the second cutoff portion 24 forms the main
  • the vehicle light optical unit When the above-mentioned vehicle light optical unit is used in a vehicle lamp module, it can realize various lighting functions such as low beam, high beam, and daytime running lights, and turn on the first light incident structure 111 of the low beam and the second light incident structure of the low beam.
  • the light source corresponding to 211 is the low beam lighting mode of the vehicle lights, and then turn on the light sources corresponding to the first light incident structure 112 of the high beam and the second light incident structure 212 of the high beam, then switch to the high beam lighting mode; turn off the low beam lighting
  • the light source corresponding to the light guide 3 can be turned on to realize the daytime running light function.
  • the first light emitting surface 12 of the first optical element 1 is projected to form a near-car light.
  • each part of the light shape is formed by splicing to form a complete light shape of low beam or high beam.
  • the switch controller of each light source 4 when the lights are turned on or off, the The light source 4 is lit in a certain order to realize the specific welcome or off mode of the headlights. For example, as shown in Figure 31 and Figure 32, the low beam shape of the headlights is divided into nine areas.
  • a second aspect of the present invention provides a vehicle lamp module, which includes the vehicle lamp optical unit described in any of the above embodiments and the first incident light
  • the light sources 4 are arranged in a one-to-one structure, and each light source 4 can be independently controlled to turn on and off. Therefore, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments of the vehicle light optical unit.
  • a third aspect of the present invention provides a vehicle, including the above-mentioned vehicle lamp module. Therefore, it has at least all the beneficial effects brought by the technical solutions of the above embodiments of the vehicle light optical unit and the vehicle lamp module.
  • the first optical element 1 in the optical unit of the vehicle light of the present invention sets the first light incident structure to extend from one side of the upper and lower width directions of the light incident structure reference plane 11 to the first light incident structure.
  • the light channel 13, the first light incident structure can guide the light received by it to exit toward the first light channel 13 and transmit to the first light emitting surface 12 along the first light channel 13, that is, the light source corresponding to the first light incident structure is located in
  • the upper side or the lower side of the light incident structure reference plane 11 can effectively avoid the light spot generated when the light source 4 is arranged behind the first optical element 1, and improve the lighting visual effect of the optical unit of the vehicle light;
  • the requirements of various vehicle lighting modes and lighting modes are examples of various vehicle lighting modes and lighting modes.

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Abstract

一种车灯光学单元、车灯模组和车辆。车灯光学单元包括第一光学元件（1），第一光学元件（1）沿出光方向的后端面和前端面分别为入光结构基准面（11）和第一出光面（12），第一光学元件（1）的后端部形成为入光部，入光部包括沿入光结构基准面（11）的左右方向设置的至少一个第一入光结构，入光部与第一出光面（12）之间形成为第一光通道（13）；其中，第一入光结构设置为从入光结构基准面（11）的上侧或下侧延伸至第一光通道（13），每个第一入光结构能够引导第一入光结构接收的光线朝向第一光通道（13）出射并沿着该第一光通道（13）传输至第一出光面（12）。车灯光学单元能够提升车灯照明时的视觉效果，满足多种照明模式和点亮模式的需求。

Description

车灯光学单元、车灯模组和车辆
相关申请的交叉引用
本申请要求2020年07月02日提交的中国专利申请202010634007.4的权益，该申请的内容通过引用被合并于本申请。
技术领域
本发明涉及车辆照明装置，具体地，涉及一种车灯光学单元。此外，还涉及一种车灯模组和车辆。
背景技术
随着汽车工业的飞速发展和人们生活条件的不断改善，汽车已经成为人们出行不可或缺的交通工具之一。全球的汽车保有量逐年增加，汽车的普及也带动了汽车零部件的制造和设计的快速发展。例如，汽车车灯的作用已经不仅仅局限于照明功能，其外观造型和车灯打开或关闭的特定光效模式开始被消费者追求。
伴随着车灯造型和照明模式的多样化，车辆照明装置需要设置多个车辆照明单元，例如近光、远光、日间行车灯、位置灯，各个车辆照明单元通常是相互独立地分散设置，且每个车辆照明单元需要单独设置对应的入光部和出光部，以产生多个照明区域或者照明效果。但是，多个车辆照明单元分散独立设置，不仅会导致整个车辆照明装置所占用空间很大，增大车灯的体积，还会增加各零部件之间的定位安装误差，影响光学***精度。此外，车辆照明单元的光源通常设置在其入光部的后方，在车灯打开时会形成光斑，影响车灯打开时的外观效果。
因此，需要设计一种新的车灯光学单元，以克服或缓解现有技术的上述缺陷。
发明内容
本发明首先所要解决的技术问题是提供一种车灯光学单元，该车灯光学单元能够提升车灯点亮时的外观视觉效果，满足多种车灯照明模式和点亮模式的需求。
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，该车灯模组能够提升外观视觉效果，满足多种车灯照明模式和点亮模式的需求。
本发明第三方面所要解决的技术问题是提供一种车辆，该车辆的车灯照明模式和点亮模式多样化、照明效果好。
为了实现上述目的，本发明第一方面提供一种车灯光学单元，包括第一光学元件，所述第一光学元件沿出光方向的后端面和前端面分别为入光结构基准面和第一出光面，所述第一光学元件的后端部形成为入光部，所述入光部包括沿所述入光结构基准面的左 右方向设置的至少一个第一入光结构，所述入光部与所述第一出光面之间形成为第一光通道；其中，所述第一入光结构设置为从所述入光结构基准面的上侧或下侧延伸至所述第一光通道，每个所述第一入光结构能够引导该第一入光结构接收的光线朝向所述第一光通道出射并沿着该第一光通道传输至所述第一出光面。
作为一种优选的结构形式，每个所述第一入光结构分别包括位于所述入光结构基准面的上侧或下侧的聚光器和与所述聚光器连接的导光部，所述导光部从所述聚光器的出光端延伸至所述第一光通道的后端，所述导光部上设有反射部，该反射部能够将所述聚光器的出射光线反射至朝向所述第一光通道的方向出射。
优选地，所述第一光通道与每个所述导光部的连接处分别设有与该导光部对应的凹槽结构，每个所述凹槽结构分别包括与该凹槽结构对应的所述导光部连接的导光部连接面、与所述导光部连接面连接的中间连接面和与所述中间连接面连接的光通道连接面；其中，所述中间连接面与所述光通道连接面的连接处设有形成第一光形截止线的第一截止部。
更优选地，所述第一出光面为向前凸出的曲面，所述第一截止部位于所述第一出光面的中间面上，所述中间面为经过所述第一出光面的纵向截线顶点的水平面。
具体地，所述第一出光面为曲率连续的曲面。
典型地，所述凹槽结构内设有光导，所述光导的出光面朝向所述光通道连接面，以使得该光导的出光面出射的光线经所述第一光通道传输至所述第一出光面。
作为另一种优选的结构形式，所述至少一个第一入光结构设置为具有至少一个近光第一入光结构、或者具有至少一个远光第一入光结构、或者具有至少一个所述近光第一入光结构和至少一个所述远光第一入光结构。
优选地，所述第一出光面和所述入光结构基准面沿所述出光方向的投影面形状均呈左右延伸的条形，所述第一入光结构设置为多个所述近光第一入光结构和多个所述远光第一入光结构，所述近光第一入光结构与所述远光第一入光结构交替排列，每个所述聚光器均位于所述入光结构基准面的下侧。
更优选地，所述近光第一入光结构对应的所述第一截止部与所述第一光通道的上表面之间的距离大于所述远光第一入光结构对应的所述第一截止部与所述第一光通道的上表面之间的距离。
进一步优选地，所述近光第一入光结构对应的所述中间连接面设置为自后往前倾斜向上，且该中间连接面朝向所述第一光通道的一侧为反射面。
具体地，所述远光第一入光结构对应的所述中间连接面设置为自后往前倾斜向下，且该中间连接面背向所述第一光通道的一侧为反射面。
作为又一种优选的结构形式，所述车灯光学单元还包括第二光学元件，所述第一光学元件的左右方向的一侧形成有用于容纳所述第二光学元件的凹口，所述第二光学元 件沿所述出光方向的后端面和前端面分别为入光面和第二出光面，所述入光面上设有至少一个第二入光结构，所述第二光学元件被布置为能够引导所述第二出光面出射的光线经由所述第一出光面出射。
优选地，所述第一光学元件上设有二次入光面，所述二次入光面位于所述第一出光面的后方且朝向所述凹口，所述二次入光面包括至少一个向后凸出的曲面。
更优选地，所述入光面上设有多个所述第二入光结构，多个所述第二入光结构设置为具有至少一个近光第二入光结构和至少一个远光第二入光结构。
进一步优选地，每个所述近光第二入光结构和每个所述远光第二入光结构分别为聚光结构。
具体地，所述近光第二入光结构位于所述远光第二入光结构的上方，所述第二出光面包括位于所述近光第二入光结构前方的近光出光面和位于所述远光第二入光结构的出光端的远光出光面，所述近光第二入光结构的出光端与所述近光出光面之间设有第二光通道，所述第二光通道的底面与所述近光出光面的连接处设有用于形成第二光形截止线的第二截止部。
更具体地，所述第二光通道的下表面设置为反射面。
典型地，所述近光出光面设置为向前凸出的曲面。
本发明第二方面提供一种车灯模组，包括上述所述的车灯光学单元和与所述第一入光结构一一对应设置的光源，每个所述光源能够被独立控制亮灭。
本发明第三方面提供一种车辆，包括上述所述的车灯模组。
通过本发明的上述技术方案可以看出，本发明的车灯光学单元中第一光学元件将第一入光结构设置为从入光结构基准面的上下宽度方向的一侧延伸至第一光通道，第一入光结构能够引导其接收的光线朝向第一光通道出射并沿着该第一光通道传输至第一出光面，即第一入光结构对应的光源设于入光结构基准面的上侧或者下侧，可有效避免光源设于第一光学元件的后方时产生光斑，进而避免在车灯前方看上去的车灯点亮效果呈现一排光斑，提升车灯光学单元的外观视觉效果；同时该车灯光学单元能够满足多种车灯照明模式和点亮模式的需求。
本发明的其它特征和更加突出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是本发明中车灯光学单元的第一种具体实施方式的结构示意图一；
图2是本发明中车灯光学单元的第一种具体实施方式的结构示意图二；
图3是本发明中车灯光学单元的第一种具体实施方式的结构示意图三；
图4是本发明中车灯光学单元的第一种具体实施方式的结构示意图四；
图5是本发明中车灯光学单元的第一种具体实施方式的结构示意图五；
图6是图5中A部位的局部放大图；
图7是本发明中车灯光学单元的第一种具体实施方式的结构示意图六；
图8是图7中B部位的局部放大图；
图9是本发明中车灯光学单元的第一种具体实施方式的俯视图一；
图10是图9的C-C剖面图；
图11是图9中近光第一入光结构的出射光线的光路图；
图12是本发明中车灯光学单元的第一种具体实施方式的俯视图二；
图13是图12的G-G剖面图；
图14是图12中远光第一入光结构的出射光线的光路图；
图15是本发明中车灯光学单元的第二种具体实施方式的结构示意图一；
图16是图15中D部位的局部放大图；
图17是本发明中车灯光学单元的第二种具体实施方式的俯视图；
图18是图17的E-E剖面图；
图19是本发明中车灯光学单元的第二种具体实施方式的结构示意图二；
图20是本发明中第二光学元件的一种具体实施方式的结构示意图一；
图21是图20中的第二光学元件的另一个结构示意图；
图22是图20中的近光第二入光结构的出射光线的光路图；
图23是图20中的远光第二入光结构的出射光线的光路图；
图24是本发明中车灯光学单元的第三种具体实施方式的结构示意图一；
图25是本发明中车灯光学单元的第三种具体实施方式的结构示意图二；
图26是本发明中车灯光学单元的第三种具体实施方式的俯视图；
图27是图26的F-F剖面图；
图28是图20中的近光第一入光结构和近光第二入光结构对应形成的光形图；
图29是图20中的远光第一入光结构和远光第二入光结构对应形成的光形图；
图30是图20所示的车灯光学单元安装在车灯模组中的结构示意图；
图31是图30所示的车灯模组应用于车灯时的路面光形图；
图32是图30所示的车灯模组应用于车灯时的路面光形线条图。
附图标记说明
1第一光学元件                    11入光结构基准面
111近光第一入光结构              112远光第一入光结构
113聚光器                        114导光部
115反射部                        12第一出光面
13第一光通道                     131凹槽结构
132导光部连接面                  133中间连接面
134光通道连接面                  135第一截止部
14二次入光面                     2第二光学元件
21入光面                         211近光第二入光结构
212远光第二入光结构              22第二出光面
221近光出光面                    222远光出光面
23第二光通道                     24第二截止部
3光导                            4光源
a主近光光形                      b辅助近光光形
c辅助远光光形                    d主远光光形
具体实施方式
下面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。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“连接”、“设置”、“安装”应做广义理解，例如，连接可以是固定连接，也可以是可拆卸连接，或者是一体连接；可以是直接连接，也可以是通过中间媒介间接连接，或者是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。还需要说明的是，纵向截线为第一出光面12被与第一出光面12的竖直切平面垂直的竖直平面所截得到的截线。
此外，术语“第一”、“第二”仅用于描述的目的，而不能理解为指示或暗示相对重要性或隐含指明所指示的技术特征的数量，因此，限定有“第一”、“第二”的特征可以明示或隐含地包括一个或更多个所述特征。
需要理解的是，为了便于描述本发明和简化描述，术语“前”、“后”是指车灯光学单元沿出光方向的前后方向，即第一出光面12位于前方，入光结构基准面11位于后方，术语“左、右”是指车灯光学单元沿出光方向的左右方向，术语“上、下”是指车灯光学单元沿出光方向的上下方向。术语为基于附图所示的方位或位置关系，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。
本发明第一方面提供的一种车灯光学单元，参见图1至图15、图17、图19、图24至图26，包括第一光学元件1，第一光学元件1沿出光方向的后端面和前端面分别为入光结构基准面11和第一出光面12，第一光学元件1的后端部形成为入光部，入光部包括沿入光结构基准面11的左右方向设置的至少一个第一入光结构，入光部与第一出光面12之间形成为第一光通道13；其中，第一入光结构设置为从入光结构基准面11的上侧或下侧延伸至第一光通道13，每个第一入光结构能够引导该第一入光结构接收的 光线朝向第一光通道13出射并沿着该第一光通道13传输至第一出光面12。
通过本发明上述基本技术方案的车灯光学单元，第一入光结构接收的光线从入光结构基准面11的上侧或者下侧变向后朝向第一光通道13出射，并沿着第一光通道13传输至第一出光面12，进而从第一出光面12出射形成所需的照明光形，可有效避免第一入光结构对应的光源(即下文中所述光源4)设于第一光学元件1的后方时产生光斑，避免在车灯前方看上去的车灯点亮效果呈现一排光斑，提升车灯光学单元的外观视觉效果；同时该车灯光学单元能够满足多种车灯照明模式和点亮模式的需求。
作为本发明的一个优选实施例，参见图1至图15、图17、图19、图24至图26，每个第一入光结构分别包括位于入光结构基准面11的上侧或下侧的聚光器113和与聚光器113连接的导光部114，导光部114从聚光器113的出光端延伸至第一光通道13的后端，导光部114上设有反射部115，该反射部115能够将聚光器113的出射光线反射至朝向第一光通道13的方向出射。聚光器113的结构可以采用多种聚光元件，例如，具体可以设置为聚光杯，聚光杯上设有内凹的光源连接部，相应地，光源连接部的开口朝上或朝下侧。反射部115具体可以设置为与聚光器113的出光端相对的具有一定的倾斜角度的反射平面或者反射曲面，即聚光器113接收的光线出射至反射部115，经反射部115反射后朝向第一光通道13出射，经第一光通道13传输至第一出光面12。
本发明中，为了使得车灯光学单元更好地应用于形成各种车灯光形，优选地，第一光通道13与每个导光部114的连接处分别设有与该导光部114对应的凹槽结构131，参见图10和图11、图13和图14，每个凹槽结构131分别包括与该凹槽结构131对应的导光部114连接的导光部连接面132、与导光部连接面132连接的中间连接面133和与中间连接面133连接的光通道连接面134；其中，中间连接面133与光通道连接面134的连接处设有形成第一光形截止线的第一截止部135。此时，第一截止部135形成的第一光形截止线，可以根据第一光学元件1的具体应用情况进行设计，例如可以是可以是辅助近光截止线，或者是辅助远光截止线。
本发明中，第一出光面12优选为向前凸出的曲面，可以设置为单一、顺滑的曲面出光面，提升车灯外观的美观度。相应优选地，参见图4，第一截止部135位于第一出光面12的中间面上，中间面为经过第一出光面12的纵向截线顶点的水平面，使得第一截止部135对应形成的第一光形截止线更加清晰，光形更佳。
进一步优选地，第一出光面12为曲率连续的曲面，提升第一光学元件1的外观以及出光效果。
本发明的至少一个第一入光结构具体可以设置为具有至少一个近光第一入光结构111、或者具有至少一个远光第一入光结构112、或者具有至少一个近光第一入光结构111和至少一个远光第一入光结构112。近光第一入光结构111和/或远光第一入光结构112的数量可以是一个、两个、三个或者更多个，可根据车灯光学单元的实际应用需求 进行设定。
为了简化车灯光学单元的结构设计，减少多种车灯照明单元之间以及零部件之间的定位安装误差，提升安装精度，第一出光面12和入光结构基准面11沿出光方向的投影面形状均呈左右延伸的条形，第一入光结构设置为多个近光第一入光结构111和多个远光第一入光结构112，近光第一入光结构111与远光第一入光结构112交替排列，每个聚光器113均位于入光结构基准面11的下侧。此时，第一光学元件1能够同时用于形成近光或者远光的部分光形或者完整光形，将多个功能集为一体，且结构设计简单紧凑。近光第一入光结构111与远光第一入光结构112交替排列，能够满足近光和远光两种模式下，第一出光面12的点亮效果一致，避免单近光模式时第一出光面12只有局部点亮，影响车灯的点亮效果。
在近光第一入光结构111与远光第一入光结构112交替排列的基础上，近光第一入光结构111对应的第一截止部135与第一光通道13的上表面之间的距离大于远光第一入光结构112对应的第一截止部135与第一光通道13的上表面之间的距离，即远光第一入光结构112对应的第一截止部135高于近光第一入光结构111对应的第一截止部135，使得近光第一入光结构111对应的第一截止部135与远光第一入光结构112对应的第一截止部135之间具有段差。将近光第一入光结构111对应的第一截止部135与远光第一入光结构112对应的第一截止部135之间设有段差，使得远光光形与近光光形有一定的叠加，即远光光形的截止线位于近光光形的截止线的下方，进而近光与远光的衔接效果更好。
进一步具体地，近光第一入光结构111对应的中间连接面133设置为自后往前倾斜向上，且该中间连接面133朝向第一光通道13的一侧设为反射面；远光第一入光结构112对应的中间连接面133设置为自后往前倾斜向下，且该中间连接面133背向第一光通道13的一侧也设为反射面。参见图11，近光第一入光结构111接收的光线经导光部114变向并朝向第一光通道13出射后，大部分光线经第一光通道13并由其对应的第一截止部135截止后直接传输至第一出光面12，另一少部分光线射向其对应的中间连接面133并由中间连接面133反射至第一光通道13内继续进行传输，以提高光效，两部分光线经第一出光面12出射后共同形成具有辅助近光截止线的光形；参见图12，远光第一入光结构112将对应的导光部连接面132作为一次远光出光面、光通道连接面134作为二次远光入光面，远光第一入光结构112接收的光线经导光部114变向后从对应的导光部连接面132射出，大部分光线由其对应的第一截止部135截止后直接经对应的光通道连接面134射入第一光通道13内并传输至第一出光面12，另一少部分光线射向其对应的中间连接面133并由中间连接面133反射至对应的光通道连接面134并在第一光通道13内继续进行传输，以提高光效，两部分光线经第一出光面12出射后共同形成具有辅助远光截止线的光形。
在本发明上述的第一光学元件的基础上，参见图15至图26，该车灯光学单元还包括第二光学元件2，第一光学元件1的左右方向的一侧形成有用于容纳第二光学元件2的凹口，第二光学元件2沿出光方向的后端面和前端面分别为入光面21和第二出光面22，入光面21上设有至少一个第二入光结构，第二光学元件2被布置为能够引导第二出光面22出射的光线经由第一出光面12出射。第一光学元件1与第二光学元件2共用第一出光面12，更利于将两者的光形配合，使得车灯光学单元形成所需的车灯光形。
为了使得第二光学元件2对应的位于其前方的第一光学元件1部分能够形成单焦点，以用于形成具有拐点的主近光截止线，优选地，第一光学元件1上设有二次入光面14，二次入光面14位于第一出光面12的后方且朝向凹口，二次入光面14包括至少一个向后凸出的曲面。
作为第二光学元件2的一种优选实施例，入光面21上设有多个第二入光结构，多个第二入光结构设置为具有至少一个近光第二入光结构211和至少一个远光第二入光结构212。近光第二入光结构211和远光第二入光结构212两者的具体数量根据第二光学元件2形成的光形的需求进行设定，同时两者优选为一体成型，提升车灯光学单元的安装精度。
优选地，每个近光第二入光结构211和每个远光第二入光结构212分别为聚光结构。聚光结构可以是聚光杯等聚光元件，以提高光效。
具体地，参见图20和图21，近光第二入光结构211位于远光第二入光结构212的上方，第二出光面22包括位于近光第二入光结构211前方的近光出光面221和位于远光第二入光结构212的出光端的远光出光面222，近光第二入光结构211的出光端与近光出光面221之间设有第二光通道23，第二光通道23的底面与近光出光面221的连接处设有用于形成第二光形截止线的第二截止部24。第二光形截止线可以是主近光截止线，或者是主远光截止线。此时，参见图22，近光第二入光结构211接收的光线出射至第二光通道23，经第二光通道23传输至近光出光面221，并由第二截止部24形成具有主近光截止线的光形；远光第二入光结构212接收的光线直接由远光出光面222出射，并由第二截止部24形成具有主远光截止线的光形。
进一步优选地，第二光通道23的下表面设置为反射面。近光第二入光结构211出射至第二光通道23的部分光线射向第二光通道23的下表面时，由该反射面反射至第二光通道23内继续传输；由远光出光面222出射的部分光线射向第二光通道23的下表面时，由该反射面反射后继续向前传输，将第二光通道23的下表面设为反射面可以提高光效。典型地，近光出光面221设置为向前凸出的曲面，具体可以是上下方向上凸出的曲面，也可以是左右方向上凸出的曲面，又或者是上下方向和左右方向同时凸出的曲面，该结构使得近光出光面221射出的光线更集中，会有更多地光线射入二次入光面14，进一步提高光效。
基于上述车灯光学单元的各种具体的实施例，参见图24至图27，凹槽结构131内还可设有光导3，光导3的出光面朝向光通道连接面134，以使得该光导3的出光面出射的光线经第一光通道13传输至第一出光面12。光导3与第一光学元件1和第二光学元件2共用第一出光面12，使得车灯光学单元不仅具有近光照明功能和/或远光照明功能，还具有近光III区、日间行车灯或位置灯等多种照明功能，而且所占用的空间小。需要说明的是，在第一光学元件1设有远光第一入光结构112时，光导3与凹槽结构131的中间连接面133之间具有一定的距离，使得远光第一入光结构112对应的导光部连接面132的出射光线可以穿过并射至其对应的光通道连接面134，两者之间的最小距离L设置为≤10mm，优选为1mm≤L≤5mm；在第一光学元件1仅设有近光第一入光结构111时，距离L可以设置为0。
在本发明的车灯光学单元的一种优选的具体实施方式中，参见图24至图27并结合图1至图23，车灯光学单元包括第一光学元件1和第二光学元件2，第一光学元件1沿出光方向的后端面和前端面分别为入光结构基准面11和第一出光面12，第一出光面12和入光结构基准面11沿出光方向的投影面形状均呈左右延伸的条形，第一光学元件1的后端部形成为入光部，入光部包括沿入光结构基准面11的左右方向设置的第一入光结构，入光部与第一出光面12之间形成为第一光通道13，第一出光面12为向前凸出的曲率连续的曲面；第一入光结构设置为六个近光第一入光结构111和四个远光第一入光结构112，近光第一入光结构111和远光第一入光结构112交替排列，每个近光第一入光结构111和每个远光第一入光结构112分别包括位于入光结构基准面11下侧的聚光器113和导光部114，导光部114从聚光器113的出光端延伸至第一光通道13的后端，导光部114上设有反射部115，反射部115能够将聚光器113的出射光线反射至朝向第一光通道13的方向出射；第一光通道13与每个导光部114的连接处分别设有与该导光部114对应的凹槽结构131，每个凹槽结构131分别包括与该凹槽结构131对应的导光部114连接的导光部连接面132、与导光部连接面132连接的中间连接面133和与中间连接面133连接的光通道连接面134，中间连接面133与光通道连接面134的连接处设有形成第一光形截止线的第一截止部135，且第一截止部135位于第一出光面12的中间面上；近光第一入光结构111对应的第一截止部135与第一光通道13的上表面之间的距离大于远光第一入光结构112对应的第一截止部135与第一光通道13的上表面之间的距离，近光第一入光结构111对应的中间连接面133设置为自后往前倾斜向上，且该中间连接面133朝向第一光通道13的一侧为反射面；远光第一入光结构112对应的中间连接面133设置为自后往前倾斜向下，且该中间连接面133背向第一光通道13的一侧为反射面；第一光学元件1的左右方向的右侧形成有用于容纳第二光学元件2的凹口，第一出光面12的后方且朝向凹口处设有二次入光面14，二次入光面14包括两个左右排列的向后凸出的曲面，第二光学元件2沿出光方向的后端面和前端面分别为入光面21 和第二出光面22，第二出光面22朝向二次入光面14设置，入光面21上设有两个近光第二入光结构211和两个远光第二入光结构212，近光第二入光结构211位于远光第二入光结构212的上方，远光第二入光结构212的出光端设置为远光出光面222，近光第二入光结构211的前端依次设有第二光通道23和近光出光面221，第二光通道23的底面与近光出光面221的连接处设有用于形成第二光形截止线的第二截止部24，第二光通道23的下表面的上下两侧均设置为反射面，近光出光面221设置为向前凸出的曲面；凹槽结构131内还可设有用于形成日间行车灯光形的光导3，光导3的出光面朝向光通道连接面134，且光导3与中间连接面133之间的最小距离L设置为3mm。
上述车灯光学单元的实施例中，参见图28和图29并结合图1至图27，打开近光第一入光结构111所对应的光源4时，近光第一入光结构111对应的聚光器113接收光线并射向导光部114，经导光部114上的反射部115反射至朝向第一光通道13的方向出射，光线经第一光通道13传输至第一出光面12，并通过其对应的第一截止部135形成具有辅助近光截止线的辅助近光光形b；打开远光第一入光结构112所对应的光源4时，远光第一入光结构112对应的聚光器113接收光线并射向导光部114，经导光部114上的反射部115反射变向后从对应的导光部连接面132射出并经对应的光通道连接面134射入第一光通道13内传输至第一出光面12，同时通过其对应的第一截止部135形成具有辅助远光截止线的辅助远光光形c；打开近光第二入光结构211对应的光源，近光第二入光结构211接收的光线出射至第二光通道23，经第二光通道23传输至近光出光面221，再从二次入光面14入射后经第一出光面12出射，由第二截止部24形成具有主近光截止线的主近光光形a；打开远光第二入光结构212对应的光源，远光第二入光结构212接收的光线直接由远光出光面222出射，再从二次入光面14入射后经第一出光面12出射，由第二截止部24形成具有主远光截止线的主远光光形d；打开光导3对应的光源(该光源设置在光导3的一端)，其光线由光导3的出光面出射并经光通道连接面134射入第一光通道13，经第一光通道13传输至第一出光面12形成近光III区光形或者日间行车灯光形或位置灯光形。
上述车灯光学单元在用于车灯模组时，可实现近光、远光、日间行车灯等多种照明功能，打开近光第一入光结构111和近光第二入光结构211对应的光源时，为车灯的近光照明模式，再打开远光第一入光结构112和远光第二入光结构212对应的光源，则切换为远光照明模式；关闭近光照明模式和远光照明模式对应的所有光源后，打开光导3对应的光源即可实现日间行车灯功能。作为一种车灯光形的形成方式，每个第一入光结构和每个第二入光结构对应的光源4点亮后，通过第一光学元件1的第一出光面12投射形成车灯近光或远光的部分光形，各个部分光形通过拼接形成完整的近光或远光的光形，此时，配合各个光源4的开关控制器，可在车灯点亮或关闭时，通过光源4按照一定次序点亮，实现车灯特定的欢迎或者关闭模式，例如，参见图31和图32所示，将 车灯近光光形划分为九个区域，当打开车灯的近光时，从左到右逐个点亮九个区域对应的光源4，以顺次形成①、②、③、④、⑤、⑥、⑦、⑧、⑨这九个区域的光形，实现车灯的欢迎模式，并在最终形成完整的近光光形。
在本发明上述的车灯光学单元的基础上，参见图30，本发明第二方面提供了一种车灯模组，包括上述任一实施例所述的车灯光学单元和与第一入光结构一一对应设置的光源4，每个光源4能够被独立控制亮灭。因此至少具有上述车灯光学单元实施例的技术方案所带来的所有有益效果。
本发明第三方面提供了一种车辆，包括上述的车灯模组。因此至少具有上述车灯光学单元和车灯模组实施例的技术方案所带来的所有有益效果。
通过本发明的上述技术方案可以看出，本发明的车灯光学单元中第一光学元件1将第一入光结构设置为从入光结构基准面11的上下宽度方向的一侧延伸至第一光通道13，第一入光结构能够引导其接收的光线朝向第一光通道13出射并沿着该第一光通道13传输至第一出光面12，即第一入光结构对应的光源设于入光结构基准面11的上侧或者下侧，可有效避免光源4设于第一光学元件1的后方时产生光斑，提升车灯光学单元的照明视觉效果；同时该车灯光学单元能够满足多种车灯照明模式和点亮模式的需求。
以上结合附图详细描述了本发明的优选实施方式，但是，本发明并不限于此。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，包括各个具体技术特征以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。但这些简单变型和组合同样应当视为本发明所公开的内容，均属于本发明的保护范围。

Claims (20)

  1. 一种车灯光学单元，其特征在于，包括第一光学元件(1)，所述第一光学元件(1)沿出光方向的后端面和前端面分别为入光结构基准面(11)和第一出光面(12)，所述第一光学元件(1)的后端部形成为入光部，所述入光部包括沿所述入光结构基准面(11)的左右方向设置的至少一个第一入光结构，所述入光部与所述第一出光面(12)之间形成为第一光通道(13)；
    其中，所述第一入光结构设置为从所述入光结构基准面(11)的上侧或下侧延伸至所述第一光通道(13)，每个所述第一入光结构能够引导该第一入光结构接收的光线朝向所述第一光通道(13)出射并沿着该第一光通道(13)传输至所述第一出光面(12)。
  2. 根据权利要求1所述的车灯光学单元，其特征在于，每个所述第一入光结构分别包括位于所述入光结构基准面(11)的上侧或下侧的聚光器(113)和与所述聚光器(113)连接的导光部(114)，所述导光部(114)从所述聚光器(113)的出光端延伸至所述第一光通道(13)的后端，所述导光部(114)上设有反射部(115)，该反射部(115)能够将所述聚光器(113)的出射光线反射至朝向所述第一光通道(13)的方向出射。
  3. 根据权利要求2所述的车灯光学单元，其特征在于，所述第一光通道(13)与每个所述导光部(114)的连接处分别设有与该导光部(114)对应的凹槽结构(131)，每个所述凹槽结构(131)分别包括与该凹槽结构(131)对应的所述导光部(114)连接的导光部连接面(132)、与所述导光部连接面(132)连接的中间连接面(133)和与所述中间连接面(133)连接的光通道连接面(134)；
    其中，所述中间连接面(133)与所述光通道连接面(134)的连接处设有形成第一光形截止线的第一截止部(135)。
  4. 根据权利要求3所述的车灯光学单元，其特征在于，所述第一出光面(12)为向前凸出的曲面，所述第一截止部(135)位于所述第一出光面(12)的中间面上，所述中间面为经过所述第一出光面(12)的纵向截线顶点的水平面。
  5. 根据权利要求4所述的车灯光学单元，其特征在于，所述第一出光面(12)为曲率连续的曲面。
  6. 根据权利要求3所述的车灯光学单元，其特征在于，所述凹槽结构(131)内设有光导(3)，所述光导(3)的出光面朝向所述光通道连接面(134)，以使得该光导 (3)的出光面出射的光线经所述第一光通道(13)传输至所述第一出光面(12)。
  7. 根据权利要求3所述的车灯光学单元，其特征在于，所述至少一个第一入光结构设置为具有至少一个近光第一入光结构(111)、或者具有至少一个远光第一入光结构(112)、或者具有至少一个所述近光第一入光结构(111)和至少一个所述远光第一入光结构(112)。
  8. 根据权利要求7所述的车灯光学单元，其特征在于，所述第一出光面(12)和所述入光结构基准面(11)沿所述出光方向的投影面形状均呈左右延伸的条形，所述第一入光结构设置为多个所述近光第一入光结构(111)和多个所述远光第一入光结构(112)，所述近光第一入光结构(111)与所述远光第一入光结构(112)交替排列，每个所述聚光器(113)均位于所述入光结构基准面(11)的下侧。
  9. 根据权利要求8所述的车灯光学单元，其特征在于，所述近光第一入光结构(111)对应的所述第一截止部(135)与所述第一光通道(13)的上表面之间的距离大于所述远光第一入光结构(112)对应的所述第一截止部(135)与所述第一光通道(13)的上表面之间的距离。
  10. 根据权利要求7所述的车灯光学单元，其特征在于，所述近光第一入光结构(111)对应的所述中间连接面(133)设置为自后往前倾斜向上，且该中间连接面(133)朝向所述第一光通道(13)的一侧为反射面。
  11. 根据权利要求7所述的车灯光学单元，其特征在于，所述远光第一入光结构(112)对应的所述中间连接面(133)设置为自后往前倾斜向下，且该中间连接面(133)背向所述第一光通道(13)的一侧为反射面。
  12. 根据权利要求1至11中任意一项所述的车灯光学单元，其特征在于，该车灯光学单元还包括第二光学元件(2)，所述第一光学元件(1)的左右方向的一侧形成有用于容纳所述第二光学元件(2)的凹口，所述第二光学元件(2)沿所述出光方向的后端面和前端面分别为入光面(21)和第二出光面(22)，所述入光面(21)上设有至少一个第二入光结构，所述第二光学元件(2)被布置为能够引导所述第二出光面(22)出射的光线经由所述第一出光面(12)出射。
  13. 根据权利要求12所述的车灯光学单元，其特征在于，所述第一光学元件(1)上设有二次入光面(14)，所述二次入光面(14)位于所述第一出光面(12)的后方且 朝向所述凹口，所述二次入光面(14)包括至少一个向后凸出的曲面。
  14. 根据权利要求12所述的车灯光学单元，其特征在于，所述入光面(21)上设有多个所述第二入光结构，多个所述第二入光结构设置为具有至少一个近光第二入光结构(211)和至少一个远光第二入光结构(212)。
  15. 根据权利要求14所述的车灯光学单元，其特征在于，每个所述近光第二入光结构(211)和每个所述远光第二入光结构(212)分别为聚光结构。
  16. 根据权利要求14所述的车灯光学单元，其特征在于，所述近光第二入光结构(211)位于所述远光第二入光结构(212)的上方，所述第二出光面(22)包括位于所述近光第二入光结构(211)前方的近光出光面(221)和位于所述远光第二入光结构(212)的出光端的远光出光面(222)，所述近光第二入光结构(211)的出光端与所述近光出光面(221)之间设有第二光通道(23)，所述第二光通道(23)的底面与所述近光出光面(221)的连接处设有用于形成第二光形截止线的第二截止部(24)。
  17. 根据权利要求16所述的车灯光学单元，其特征在于，所述第二光通道(23)的下表面设置为反射面。
  18. 根据权利要求16所述的车灯光学单元，其特征在于，所述近光出光面(221)设置为向前凸出的曲面。
  19. 一种车灯模组，其特征在于，包括根据权利要求1至18中任一项所述的车灯光学单元和与所述第一入光结构一一对应设置的光源(4)，每个所述光源(4)能够被独立控制亮灭。
  20. 一种车辆，其特征在于，包括根据权利要求19所述的车灯模组。
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