WO2022110981A1 - 一种远光光学组件、远光照明单元、车灯和车辆 - Google Patents

一种远光光学组件、远光照明单元、车灯和车辆 Download PDF

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Publication number
WO2022110981A1
WO2022110981A1 PCT/CN2021/118267 CN2021118267W WO2022110981A1 WO 2022110981 A1 WO2022110981 A1 WO 2022110981A1 CN 2021118267 W CN2021118267 W CN 2021118267W WO 2022110981 A1 WO2022110981 A1 WO 2022110981A1
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WIPO (PCT)
Prior art keywords
light
lighting
beam optical
emitting
high beam
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Application number
PCT/CN2021/118267
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English (en)
French (fr)
Inventor
刘方
仇智平
李辉
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 WO2022110981A1 publication Critical patent/WO2022110981A1/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
    • F21S41/25—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
    • F21S41/29—Attachment thereof
    • F21S41/295—Attachment thereof specially adapted to projection lenses
    • 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
    • F21W2104/00—Exterior vehicle lighting devices for decorative purposes

Definitions

  • the present invention relates to a vehicle lamp, in particular, to a high beam optical assembly. Furthermore, the present invention also relates to a high beam lighting unit, a vehicle lamp and a vehicle comprising the high beam optical assembly.
  • the low beam and high beam lighting in more and more vehicle lamps are realized by multiple lighting units. If the multiple lighting units are composed of one or more low beam lighting units and one or more high and low beam integrated lighting units In the low beam lighting mode, all lighting units will be lit; if multiple lighting units are composed of one or more low beam lighting units and one or more high beam lighting units The lighting unit is composed of one or more high-beam lighting units and one or more high-beam lighting units. In the low-beam lighting mode, the high-beam lighting unit is off. At this time, not all lighting units All are lit, which does not take advantage of the modeling advantages of multiple lighting units.
  • the above-mentioned low-beam lighting unit refers to the lighting unit that projects all or part of the light shape of the low beam
  • the above-mentioned high-beam lighting unit refers to the lighting unit that projects all or part of the light shape of the high beam
  • the above-mentioned integrated lighting unit of the high beam and the near beam refers to both projection.
  • each lighting unit projects only part of the light shape of the low beam or the high beam. Therefore, in the prior art, a lighting unit without projecting a low beam light shape or a low beam partial light shape cannot realize the function of the lighting unit also emitting light in a low beam lighting mode.
  • the problem to be solved by the first aspect of the present invention is to provide a high beam optical assembly with a simple structure and good lighting effect.
  • the problem to be solved by the second aspect of the present invention is to provide a high-beam lighting unit with a simple structure and good lighting effect.
  • the problem to be solved by the third aspect of the present invention is to provide a vehicle lamp with a simple structure and good lighting effect.
  • the problem to be solved by the fourth aspect of the present invention is to provide a vehicle, the vehicle lamp of which has a simple structure and a good lighting effect.
  • a first aspect of the present invention provides a high-beam optical assembly, comprising a high-beam optical element and an auxiliary lighting element, the high-beam optical element including a high-beam light entrance part, a high-beam light guide part and a light exit part , the auxiliary lighting element is arranged below the high beam light guide portion, and the auxiliary lighting element sequentially includes a lighting incident portion, a lighting passing portion and a lighting light emitting portion from the back to the front.
  • the bright light-transmitting portion can transmit the light received by the lighting-up light-incident portion to the lighting-up light-emitting portion, and then enters the light-emitting portion through the lighting-up light-emitting portion, and is formed by total reflection in the light-emitting portion. Diffuse reflection, the diffusely reflected light is emitted from the light emitting surface of the light emitting part to form auxiliary lighting light.
  • the lighting and light-emitting parts are arranged at intervals from the light-emitting parts, and a portion of the high-beam optical element close to the lighting and light-emitting parts is formed as an auxiliary light incident surface.
  • an opaque casing is provided or integrally formed on the outside of the high beam optical element, and an accommodation cavity into which the auxiliary lighting element is inserted is formed on the opaque casing.
  • a plurality of positioning ribs are formed inside, and each of the positioning ribs is suitable for abutting against the auxiliary lighting element, so as to be able to limit the up-down direction and the left-right direction of the auxiliary lighting element.
  • positioning protrusions are provided on the left and right sides of the lighting incident portion, positioning grooves are formed on both sides of the rear end opening of the accommodating cavity, and the front end of the positioning protrusion is formed with positioning grooves. It is suitable for abutting against the bottom of the positioning groove, so as to be able to limit the forward movement of the auxiliary lighting element.
  • auxiliary lighting element and the high beam optical element are integrally formed, and the lighting and light-emitting portion is formed on the light-emitting portion.
  • an opaque casing is provided or integrally formed on the outside of the high beam optical element and the auxiliary lighting element.
  • the light emitting surface of the light emitting part is formed as a single curved surface that protrudes outward; or the light emitting surface of the light emitting part is set to be formed by splicing several planes or curved surfaces distributed in a grid shape Front convex.
  • the high-beam incident portion includes a plurality of curved or tapered surfaces that protrude backward, the high-beam incident portion is arranged in a matrix, and the high-beam incident portion is arranged in a matrix. Set to at least one row.
  • the lighting-in portion is a plane or a curved surface that protrudes backwards
  • the lighting-emitting portion is a plane or a curved surface that projects forwards.
  • the second aspect of the present invention also provides a high beam lighting unit, including a heat sink, a circuit board, a high beam light source and an auxiliary lighting light source arranged on the circuit board, and any one of the technical solutions according to the first aspect.
  • a high beam lighting unit including a heat sink, a circuit board, a high beam light source and an auxiliary lighting light source arranged on the circuit board, and any one of the technical solutions according to the first aspect.
  • the high-beam optical assembly described in item 1 the high-beam light source and the high-beam incident portion, and the auxiliary lighting light source and the lighting incident portion are arranged in a one-to-one correspondence.
  • a third aspect of the present invention provides a vehicle lamp, comprising the high beam lighting unit according to the technical solution of the second aspect.
  • a third aspect of the present invention also provides a vehicle, including the vehicle lamp according to the technical solution of the third aspect.
  • the high-beam optical assembly of the present invention includes a high-beam optical element and an auxiliary lighting element.
  • the auxiliary lighting element Located below the high beam light guide portion, the auxiliary lighting element includes a lighting incident portion, a lighting passing portion and a lighting light exit portion in order from the back to the front, and the lighting passing portion can make all the The light received by the light-emitting portion is transmitted to the light-emitting portion, and then enters the light-emitting portion through the light-emitting portion, and is totally reflected in the light-emitting portion to form diffuse reflection.
  • Auxiliary lighting light is formed after being emitted from the light emitting surface of the light emitting part.
  • the high-beam optical assembly of the present invention includes a high-beam optical element and an auxiliary lighting element.
  • the light emitted by the auxiliary lighting light source enters the lighting light-transmitting part through the lighting-incident part, and the light in the lighting-passing part directly or After the total reflection of the side wall, it is transmitted forward to the light-emitting part, and is emitted from the light-emitting part to the light-emitting part.
  • the light can undergo multiple total reflections on the light-emitting surface and side surface of the light-emitting part.
  • the impurities in the light emitting diode make the light diffusely reflected, and the diffusely reflected light is emitted through the light-emitting surface of the light-emitting part to form auxiliary lighting light, the structure is simple, and the lighting effect is good.
  • FIG. 1 is a schematic structural diagram of a specific embodiment of a high beam optical assembly of the present invention.
  • Fig. 2 is one of the exploded structure schematic diagrams of a specific embodiment of the high beam optical assembly of the present invention
  • FIG. 3 is the second schematic diagram of the exploded structure of a specific embodiment of the high beam optical assembly of the present invention.
  • FIG. 4 is a schematic structural diagram of a specific embodiment of the high beam optical element and the opaque housing of the present invention.
  • FIG. 5 is a schematic structural diagram of a specific embodiment of the auxiliary lighting element of the present invention.
  • FIG. 6 is one of the structural schematic diagrams of a specific embodiment of the high beam optical element of the present invention.
  • Fig. 7 is the second structural schematic diagram of a specific embodiment of the high beam optical element of the present invention.
  • FIG. 8 is a schematic structural diagram of a specific embodiment of the opaque casing of the present invention.
  • FIG. 9 is a schematic structural diagram of another specific embodiment of the high beam optical element and the auxiliary lighting element of the present invention.
  • FIG. 10 is a schematic structural diagram of a specific embodiment of a high beam lighting unit of the present invention.
  • Figure 11 is the exploded view of Figure 10;
  • Figure 12 is a top view of Figure 10
  • Fig. 13 is the A-A sectional view of Fig. 12;
  • orientation words such as “front”, “rear”, “left”, “right”, “Up”, “Down”, etc. are all meanings that are analogous to the orientation of the light transmission direction.
  • the end of the incident light is the back, and the end of the light exit is the front, that is The end where the high-beam light entering part 11 is located is the rear, and the end where the light-emitting part 13 is located is the front.
  • the directions represented by the left and right sides of the high-beam optical element are the left-right direction
  • the far-beam optical element is the left-right direction.
  • the direction represented by the upper and lower sides of the optical optical element is the up-down direction.
  • the terms “installation” and “connection” should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It is an integral connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between the two elements.
  • installation and “connection” should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It is an integral connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between the two elements.
  • the present invention provides a high beam optical assembly, including a high beam optical element 1 and an auxiliary lighting element 2 .
  • the high beam optical element 1 includes a high beam light incident portion 11 , a high beam light guide part 12 and light exit part 13, the auxiliary lighting element 2 is arranged below the high beam light guide part 12, and the auxiliary lighting element 2 sequentially includes a lighting incident part 21, a lighting pass-through part 21 from the back to the front
  • the lighting part 22 and the light-emitting part 23 , the lighting-passing part 22 can transmit the light received by the lighting-incident part 21 to the lighting-emitting part 23 , and then enter the light-emitting part 23
  • diffuse reflection is formed after total reflection in the light emitting portion 13 , and the diffusely reflected light is emitted from the light emitting surface of the light emitting portion 13 to form auxiliary lighting light.
  • the high beam light source 6 corresponding to the light portion 11 and the auxiliary lighting light source 7 corresponding to the lighting incident portion 21 are provided.
  • the working process of the high beam lighting unit is: in the low beam lighting mode, the auxiliary lighting light source 7 is turned on, and the light emitted by the auxiliary lighting light source 7 enters from the light incident surface of the light incident part 21 .
  • the light in the light-passing portion 22 When the light-passing portion 22 is lit, the light in the light-passing portion 22 is directly or totally reflected by the side wall and then forwards to the light-emitting portion 23, and is emitted from the light-emitting portion 23 to the auxiliary light incident surface 14 and then transmitted to the light-emitting portion 23. Entering the light-emitting portion 13, the light can be totally reflected in the light-emitting portion 13, and it can undergo multiple total reflections on the light-emitting surface and the side surface of the light-emitting portion 13.
  • the impurities in the radiator make these light diffusely reflected, and the diffusely reflected light is refracted by the light-emitting surface of the light-emitting part 13 to form an auxiliary lighting light, and the auxiliary lighting light is injected into the human eye, so that people can look in front of the headlight.
  • the light emitting portion 13 also emits light, and the light emitting portion 13 is also lit in the low beam illumination mode.
  • the high-beam light source 6 In the high-beam mode, the high-beam light source 6 is turned on, and the light emitted by the high-beam light source 6 enters from the light incident surface of the high-beam light entrance part 11 , and is transmitted to the light-emitting part 13 through the high-beam light guide part 12 , and finally passes through the light-emitting part 13 The light-emitting surface is emitted to form high beam illumination light.
  • the high beam light source 6 in an off state
  • the auxiliary lighting light source 7 may be on or off.
  • the auxiliary lighting light source 7 is In the off state, the power consumption of the lights can be reduced.
  • the high-beam optical assembly of the present invention includes a high-beam optical element 1 and an auxiliary lighting element 2, both of which can be two independent parts, or can be an integrally designed overall structure. In the actual production and use process, according to the actual Production and usage requirements determine the structural form of both.
  • the high beam optical element 1 and the auxiliary lighting element 2 are two independent parts.
  • the light-emitting part 23 is arranged at intervals from the light-emitting part 13 , and the part of the high-beam optical element 1 close to the light-emitting part 23 is formed It is the light incident surface 14 for auxiliary light.
  • the outer part of the high beam optical element 1 is provided with or integrally formed with an opaque casing 3 .
  • a accommodating cavity 31 for inserting the auxiliary lighting element 2 is formed on the body 3 , and a plurality of positioning ribs 32 are formed in the accommodating cavity 31 , and each positioning rib 32 is suitable for abutting against the auxiliary lighting element 2 , so as to be able to limit the position of the auxiliary lighting element 2 in the up-down direction and in the left-right direction.
  • the auxiliary lighting element 2 of the present invention is not limited to being arranged below the high beam light guide portion 12, but can also be above the high beam light guide portion 12, or other can form auxiliary points The places with bright light all belong to the protection scope of the present invention.
  • the outer part of the high beam optical element 1 of the present invention is provided with an opaque casing 3, and the opaque casing 3 and the high beam optical element 1 can be integrally formed by two-color injection molding, or can be integrally formed by insert injection molding. Other molding methods may also be used, as long as the opaque housing 3 can be formed outside the high beam optical element 1 , all belong to the protection scope of the present invention.
  • the opaque housing 3 will not cover the high beam incident portion 11 , the light exit portion 13 and the auxiliary light incident surface 14 of the high beam optical element 1 , nor will it cover The light incident part 21 and the light exit part 23 of the auxiliary lighting element 2 are lit to avoid affecting the entry and exit of light.
  • the opaque housing 3 can also prevent the light entering the auxiliary lighting element 2 from entering the high-beam optical element 1 from places other than the light-emitting portion 23 , and at the same time, can also prevent the high-beam illumination light and auxiliary lighting from entering the high-beam optical element 1 .
  • the light in the lighting element 2 is emitted from places other than the light-emitting portion 13 to form stray light, which affects the light-emitting effect.
  • positioning protrusions 24 are provided on the left and right sides of the light-emitting portion 21, positioning grooves 33 are formed on both sides of the rear opening of the accommodating cavity 31, and the front end of the positioning protrusion 24 is suitable for It abuts against the bottom of the positioning groove 33 so as to restrict the auxiliary lighting element 2 from moving forward.
  • the auxiliary lighting element 2 is formed with a rectangular parallelepiped plate-like structure on the left and right sides of the lighting incident portion 21 , and the positioning protrusions 24 are arranged on the rectangular parallelepiped plate-shaped structure close to the lighting light-emitting portion 23 .
  • On one side of the light-tight casing 3 is formed an accommodating cavity 31, and a plurality of positioning ribs 32 are integrally formed in the accommodating cavity 31.
  • the positioning ribs 32 can limit the point The movement of the bright and transparent portion 22 in the up-down direction and the left-right direction, so as to limit the position of the auxiliary lighting element 2 in the up-down direction and the left-right direction.
  • the auxiliary lighting element 2 can be restricted from moving forward, so that the auxiliary lighting element 2 is installed in place.
  • the positioning protrusion 24 and the positioning groove 33 can be fixedly connected by glue or laser welding between the positioning protrusion 24 and the positioning groove 33, and the positioning protrusion 24 and the positioning groove 33 will be connected between the positioning protrusion 24 and the positioning groove 33. Leave a certain gap to prevent glue from overflowing. It should be noted here that the relative positions of the high beam optical element 1 and the auxiliary lighting element 2 are fixed by dispensing glue or laser welding between the positioning protrusion 24 and the positioning groove 33 .
  • the number can be multiple, preferably, the number of the positioning protrusions 24 located on one side of the light incident portion 21 of the present invention is four, and there is a gap between the positioning protrusions 24 and the side wall of the positioning groove 33, These gaps are used to prevent glue overflow.
  • FIG. 1 As another specific structural form of the present invention, as shown in FIG. 1
  • an opaque casing 3 is provided or integrally formed on the outside of the high beam optical element 1 and the auxiliary lighting element 2 .
  • the opaque housing 3 and the high beam optical element 1 are integrally formed by two-color injection molding or insert injection molding, and the installation process of the auxiliary lighting element 2 That is: the opaque housing 3 has a accommodating cavity 31, and the auxiliary lighting element 2 can be inserted from the opening of the accommodating cavity 31 until the front end surface of the positioning protrusion 24 abuts against the bottom of the positioning groove 33, and the auxiliary lighting element 2 It can no longer move forward, and at this time, the positioning rib 32 abuts on the auxiliary lighting element 2, and the auxiliary lighting element 2 is also limited in the up-down direction and the left-right direction.
  • the outer parts of the auxiliary lighting element 2 and the high beam optical element 1 are covered with an opaque casing 3, and the opaque casing 3 can be integrated with the high beam optical element 1.
  • the integral molding of the element 1 and the auxiliary lighting element 2 is integrally formed by two-color injection molding or insert injection molding.
  • the light emitting surface of the light emitting portion 13 is formed as a single curved surface that protrudes outward.
  • the light emitting surface of the light emitting portion 13 is set as a front convex surface formed by splicing several planes or curved surfaces distributed in a grid shape.
  • the light emitting surface of the light emitting portion 13 is preferably a front convex surface formed by splicing several planes or curved surfaces distributed in a grid shape. This structure can spread the light to a certain angle, so that the light emitted by the light emitting portion 13 can be emitted.
  • the light shape formed by the light emitted from the surface has a larger boundary angle and better uniformity.
  • the high beam incident portion 11 includes a plurality of curved or tapered surfaces that protrude backwards, the high beam incident portion 11 is arranged in a matrix, and the high beam incident portion 11 is arranged in a matrix.
  • the light sections 11 are arranged in at least one row.
  • the function of the high-beam incident portion 11 of the present invention is to gather as much light as possible and guide it into the high-beam light guide portion 12 . Therefore, the preferred embodiment of the high-beam incident portion 11 of the present invention is a plurality of backward protruding portions.
  • the high beam incident portion 11 of the present invention is not limited to the above two preferred embodiments, and can also be other structures with the function of concentrating light, which all belong to the protection scope of the present invention.
  • the lighting-in portion 21 is a plane or a curved surface that protrudes backwards
  • the lighting-emitting portion 23 is a plane or a curved surface that projects forwards.
  • the second aspect of the present invention also provides a high beam lighting unit, comprising a heat sink 4, a circuit board 5, a high beam light source 6 and an auxiliary lighting light source 7 disposed on the circuit board 5, and the lighting unit according to the first aspect
  • the high-beam light source 6 is arranged in a one-to-one correspondence with the high-beam incident portion 11 , the auxiliary lighting light source 7 and the lighting incident portion 21 . .
  • the lighting principle of the high beam lighting unit of the present invention can be understood as: in the low beam lighting mode, the high beam light source 6 is turned off, the auxiliary lighting light source 7 is turned on, and the auxiliary lighting light is
  • the bright light entering part 21 enters, transmits in the light passing part 22 and is emitted by the light emitting part 23, and then enters the high beam optical element 1, and is totally reflected on the light emitting surface and the side surface of the light emitting part 13, and The light after total reflection is absorbed by the opaque casing 3 .
  • the light-emitting portion 13 During the propagation of the light in the light-emitting portion 13, the light is diffusely reflected due to the impurities in the light-emitting portion 13, and the diffusely reflected light is emitted from the light-emitting portion 13, and this part of the light enters the human eye, causing people to be in the car lights. Viewed from the front, the light-emitting portion 13 also emits light, so that the high-beam optical element 1 is in a lit state. In this way, the high beam lighting unit of the present invention can also be turned on in the low beam lighting mode.
  • a third aspect of the present invention also provides a vehicle lamp, comprising the high beam lighting unit according to the technical solution of the second aspect.
  • a fourth aspect of the present invention also provides a vehicle, including the vehicle lamp according to the technical solution of the third aspect.
  • the high-beam optical assembly of the present invention includes a high-beam optical element 1 and an auxiliary lighting element 2, and the high-beam optical element 1 includes a high-beam light entrance portion 11, a high-beam light guide portion 12 and a light exit portion. 13.
  • the auxiliary lighting element 2 is arranged below the high beam light guide portion 12, and the auxiliary lighting element 2 sequentially includes a lighting incident portion 21, a lighting passing portion 22 and a lighting portion from the back to the front.
  • the light-emitting portion 23 , the lighting-transmitting portion 22 can transmit the light received by the lighting-incident portion 21 to the lighting-emitting portion 23 , and then enters the light-emitting portion through the lighting-emitting portion 23 . 13.
  • Diffuse reflection is formed after total reflection in the light emitting portion 13, and the diffusely reflected light is emitted from the light emitting surface of the light emitting portion 13 to form auxiliary lighting light.
  • the high beam optical assembly of the present invention is provided with an auxiliary lighting element 2.
  • the auxiliary lighting light source 7 lights up, and the light passes through the lighting incident part 21, the lighting light passing part 22, the point The light emitting part 23 is illuminated and enters the light emitting part 13, and the light is totally reflected in the light emitting part 13, and can have multiple total reflections on the light emitting surface and the side surface of the light emitting part 13.
  • the impurities in the light-emitting part 13 cause the light to be diffusely reflected, and the diffusely reflected light is refracted by the light-emitting surface of the light-emitting part 13 to form auxiliary lighting light, so that the light-emitting part 13 also emits light when people look in front of the vehicle lamp. Yes, the light emitting part 13 is also lit in the low beam lighting mode, and the lighting effect is better.

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

Abstract

一种远光光学组件，包括远光光学元件（1）和辅助点亮元件（2），远光光学元件（1）包括远光入光部（11）、远光导光部（12）和出光部（13），辅助点亮元件（2）设于远光导光部（12）的下方，辅助点亮元件（2）由后向前依次包括点亮入光部（21）、点亮通光部（22）和点亮出光部（23），点亮通光部（22）能够使点亮入光部（21）接收的光线传输至点亮出光部（23），再经点亮出光部（23）入射至出光部（13），在出光部（13）内进行全反射后形成漫反射，漫反射的光线由出光部（13）的出光面出射后形成辅助点亮光线。还公开了包含远光光学组件的远光照明单元、车灯以及车辆。这种远光光学组件结构简单，点亮效果好。

Description

一种远光光学组件、远光照明单元、车灯和车辆
相关申请的交叉引用
本申请要求2020年11月27日提交的中国专利申请202022811890.8的权益，该申请的内容通过引用被合并于本申请。
技术领域
本发明涉及车灯，具体地，涉及一种远光光学组件。此外，本发明还涉及一种包括所述远光光学组件的远光照明单元、车灯和车辆。
背景技术
目前，越来越多的车辆车灯中的近光和远光照明采用多个照明单元来实现，若多个照明单元由一个或多个近光照明单元和一个或多个远近光一体照明单元组成，或者由多个远近光一体照明单元组成，那么在近光照明模式下，所有照明单元都会被点亮；若多个照明单元由一个或多个近光照明单元和一个或多个远光照明单元组成，或者由一个或多个远近光一体照明单元和一个或多个远光照明单元组成，那么在近光照明模式下，远光照明单元是不亮的，这时，不是所有照明单元都被点亮，这就没有发挥出多个照明单元的造型优势。
上述近光照明单元是指投射出近光全部或部分光形的照明单元，上述远光照明单元是指投射出远光全部或部分光形的照明单元，上述远近光一体照明单元是指既投射出近光全部或部分光形，也投射出远光全部或部分光形的照明单元，上述部分光形是指近光或远光的光形是由多个照明单元投射的光形共同拼接或叠加而成，其中每个照明单元只投射出近光或远光的部分光形。因此现有技术中，不具有投射近光光形或近光部分光形的照明单元无法实现在近光照明模式下该照明单元也是发光的功能。
基于上述原因，现有技术难以有效保证近光照明模式下，远光照明单元也被点亮。
发明内容
本发明第一方面所要解决的问题是提供一种远光光学组件，该远光光学组件结构简单，点亮效果好。
此外，本发明第二方面要解决的问题是提供一种远光照明单元，该远光照明单元结构简单，点亮效果好。
进一步地，本发明第三方面要解决的问题是提供一种车灯，该车灯结构简单，点亮效果好。
更进一步地，本发明第四方面要解决的问题是提供一种车辆，该车辆的车灯结构简单，点亮效果好。
为了解决上述技术问题，本发明第一方面提供一种远光光学组件，包括远光光学元件和辅助点亮元件，所述远光光学元件包括远光入光部、远光导光部和出光部，所述辅助点亮元件设于所述远光导光部的下方，所述辅助点亮元件由后向前依次包括点亮入光部、点亮通光部和点亮出光部，所述点亮通光部能够使所述点亮入光部接收的光线传输至所述点亮出光部，再经所述点亮出光部入射至所述出光部，在所述出光部内进行全反射后形成漫反射，漫反射的光线由所述出光部的出光面出射后形成辅助点亮光线。
作为本发明的一个优选实施方式，所述点亮出光部与所述出光部间隔设置，所述远光光学元件的靠近所述点亮出光部的部位形成为辅助光线入光面。
更优选地，所述远光光学元件的外部设有或一体形成有不透光壳体，所述不透光壳体上形成有供所述辅助点亮元件插入的容纳腔，所述容纳腔内形成有多个定位筋，各所述定位筋适于贴靠所述辅助点亮元件，以能够对所述辅助点亮元件的上下方向和左右方向进行限位。
作为本发明的另一个优选实施方式，所述点亮入光部的左右两侧设有定位凸起，所述容纳腔的后端开口的两侧形成有定位槽，所述定位凸起的前端适于抵靠所述定位槽的底部，以能够限制所述辅助点亮元件向前移动。
进一步地，所述辅助点亮元件与所述远光光学元件一体成型，所述点亮出光部形成于所述出光部上。
更优选地，所述远光光学元件和所述辅助点亮元件的外部设有或一体形成有不透光壳体。
作为本发明的一个具体结构形式，所述出光部的出光面形成为向外凸出的单个曲面；或者所述出光部的出光面设置为由呈网格状分布的若干平面或曲面拼接形成的前凸面。
作为本发明的另一个具体结构形式，所述远光入光部包括多个向后凸出的曲面或锥形面，所述远光入光部呈矩阵式排列，所述远光入光部设置为至少一排。
更具体地，所述点亮入光部为平面或向后凸出的曲面，所述点亮出光部为平面或向前凸出的曲面。
另外，本发明第二方面还提供一种远光照明单元，包括散热器、线路板、设于所述线路板上的远光光源和辅助点亮光源、以及根据第一方面技术方案中任一项所述的远光光学组件，所述远光光源与所述远光入光部、所述辅助点亮光源与所述点亮入光部一一对应设置。
进一步地，本发明第三方面提供一种车灯，包括根据第二方面技术方案中所述的远光照明单元。
更进一步地，本发明第三方面还提供一种车辆，包括根据第三方面技术方案中所述的车灯。
通过上述技术方案，本发明的远光光学组件包括远光光学元件和辅助点亮元件，所述远光光学元件包括远光入光部、远光导光部和出光部，所述辅助点亮元件设于所述远光导光部的下方，所述辅助点亮元件由后向前依次包括点亮入光 部、点亮通光部和点亮出光部，所述点亮通光部能够使所述点亮入光部接收的光线传输至所述点亮出光部，再经所述点亮出光部入射至所述出光部，在所述出光部内进行全反射后形成漫反射，漫反射的光线由所述出光部的出光面出射后形成辅助点亮光线。本发明的远光光学组件中包括远光光学元件和辅助点亮元件，辅助点亮光源射出的光线通过点亮入光部进入到点亮通光部内，在点亮通光部内的光线直接或经侧壁全反射向前传输至点亮出光部，由点亮出光部射出至出光部内，光线在出光部的出光面和侧面上能够发生多次全反射，在全反射过程中，由于出光部中的杂质使得这些光线发生漫反射，漫反射后的光线通过出光部的出光面射出形成辅助点亮光线，结构简单，点亮效果好。
有关本发明的其他优点以及优选实施方式的技术效果，将在下文的具体实施方式中进一步说明。
附图说明
图1是本发明的远光光学组件的一个具体实施例的结构示意图；
图2是本发明的远光光学组件的一个具体实施例的分解结构示意图之一；
图3是本发明的远光光学组件的一个具体实施例的分解结构示意图之二；
图4是本发明的远光光学元件和不透光壳体的一个具体实施例的结构示意图；
图5是本发明的辅助点亮元件的一个具体实施例的结构示意图；
图6是本发明的远光光学元件的一个具体实施例的结构示意图之一；
图7是本发明的远光光学元件的一个具体实施例的结构示意图之二；
图8是本发明的不透光壳体的一个具体实施例的结构示意图；
图9是本发明的远光光学元件和辅助点亮元件的另一个具体实施例的结构示意图；
图10是本发明的远光照明单元的一个具体实施例的结构示意图；
图11是图10的爆炸图；
图12是图10的俯视图；
图13是图12的A-A剖面图；
图14是本发明的远光光学组件的光路图。
附图标记说明
1远光光学元件                 11远光入光部
12远光导光部                  13出光部
14辅助光线入光面              2辅助点亮元件
21点亮入光部                  22点亮通光部
23点亮出光部                  24定位凸起
3不透光壳体                   31容纳腔
32定位筋                      33定位槽
4散热器                       5线路板
6远光光源                     7辅助点亮光源
具体实施方式
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，本发明的保护范围并不局限于下述的具体实施方式。
在本发明的描述中，需要解释的是，在下文的描述中为清楚地说明本发明的技术方案而涉及的一些方位词，例如“前”、“后”、“左”、“右”、“上”、“下”等均是按照光传输方向所指的方位类推所具有的含义，例如，以远光光学元件为例，光线入射的一端为后，光线出射的一端则为前，即远光入光部11所在的一端为后，出光部13所在的一端为前，而相对于远光光学元件的前后方向，远光光学 元件的左右两侧所代表的方向即为左右方向，远光光学元件的上下两侧所代表的方向即为上下方向。
在本发明的描述中，还需要说明的是，除非另有明确的规定和限定，术语“安装”、“连接”应做广义理解，例如，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，可以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。
如图1至图3所示，本发明提供一种远光光学组件，包括远光光学元件1和辅助点亮元件2，所述远光光学元件1包括远光入光部11、远光导光部12和出光部13，所述辅助点亮元件2设于所述远光导光部12的下方，所述辅助点亮元件2由后向前依次包括点亮入光部21、点亮通光部22和点亮出光部23，所述点亮通光部22能够使所述点亮入光部21接收的光线传输至所述点亮出光部23，再经所述点亮出光部23入射至所述出光部13，在所述出光部13内进行全反射后形成漫反射，漫反射的光线由出光部13的出光面出射后形成辅助点亮光线。
为了更好地说明本发明提供的远光光学组件的工作过程，以下结合该远光光学组件在应用于远光照明单元时进行详细的介绍和说明，远光照明单元中设置有与远光入光部11对应的远光光源6、与点亮入光部21对应的辅助点亮光源7。如图14所示，该远光照明单元的工作过程为：在近光照明模式下，打开辅助点亮光源7，辅助点亮光源7发出的光线从点亮入光部21的入光面进入点亮通光部22，在点亮通光部22内的光线直接或经侧壁全反射后向前传输至点亮出光部23，由点亮出光部23射出至辅助光线入光面14并进入出光部13内，光线能够在出光部13内发生全反射，其可在出光部13的出光面和侧面上发生多次全反射，光线在被多次全反射的过程中，由于出光部13中的杂质使得这些光线发生漫反射，漫反射后的光线由出光部13的出光面折射出去，以形成辅助点亮光线，辅助点亮光线射入人眼，使得人在车灯前方看去，该出光部13也是发光的，实现近光 照明模式下该出光部13也被点亮。在远光模式下，打开远光光源6，远光光源6发出的光线从远光入光部11的入光面进入，并经远光导光部12传输至出光部13，最后经出光部13的出光面出射以形成远光照明光线。在此需要说明的是，近光照明模式下远光光源6处于关闭状态，远光模式下，辅助点亮光源7可以是打开状态，也可以是关闭状态，优选地，辅助点亮光源7为关闭状态，可以降低车灯的功耗。
本发明的远光光学组件包括远光光学元件1和辅助点亮元件2，两者可以是独立设置的两个零件，也可以是一体设计的整体结构，在实际生产和使用过程中，根据实际生产和使用需求确定两者的结构形式。优选地，远光光学元件1和辅助点亮元件2为两个独立的零件。
作为本发明的一个具体结构形式，如图13所示，所述点亮出光部23与所述出光部13间隔设置，所述远光光学元件1的靠近所述点亮出光部23的部位形成为辅助光线入光面14。
作为本发明的另一个具体结构形式，如图8、图10至图13所示，所述远光光学元件1的外部设有或一体形成有不透光壳体3，所述不透光壳体3上形成有供所述辅助点亮元件2插入的容纳腔31，所述容纳腔31内形成有多个定位筋32，各所述定位筋32适于贴靠所述辅助点亮元件2，以能够对所述辅助点亮元件2的上下方向和左右方向进行限位。
可以看出，根据实际生产和光形需要，本发明的辅助点亮元件2并不限定于设置在远光导光部12的下方，也可以是远光导光部12的上方，或其他能够形成辅助点亮光线的地方，均属于本发明的保护范围。
另外，本发明的远光光学元件1的外部设有不透光壳体3，该不透光壳体3与远光光学元件1可以采用双色注塑一体成型，也可以采用嵌件注塑一体成型，还可以采用其他成型方式，只要能够将不透光壳体3形成于远光光学元件1的外部，均属于本发明的保护范围。当然，为了光线进入和射出的需要，不透光壳体 3是不会覆盖于远光光学元件1的远光入光部11、出光部13和辅助光线入光面14上，也不会覆盖辅助点亮元件2的点亮入光部21和点亮出光部23，避免影响光线的进入和射出，由此可以看出，由辅助光线入光面14进入到远光光学元件1内的光线，经出光部13的出光面和侧面全反射后，光线由不透光壳体3全部吸收。同时，不透光壳体3还能够防止射入辅助点亮元件2内的光线从点亮出光部23以外的地方入射到远光光学元件1中，同时，也能够防止远光照明光线和辅助点亮元件2内的光线从出光部13以外的地方射出形成杂散光，影响出光效果。
更具体地，所述点亮入光部21的左右两侧设有定位凸起24，所述容纳腔31的后端开口的两侧形成有定位槽33，所述定位凸起24的前端适于抵靠所述定位槽33的底部，以能够限制所述辅助点亮元件2向前移动。
从图5中可以看出，辅助点亮元件2上在点亮入光部21的左右两侧形成有长方体板状结构，定位凸起24设置在该长方体板状结构的靠近点亮出光部23的一面上，不透光壳体3上形成有容纳腔31，容纳腔31内一体形成有多个定位筋32，当点亮通光部22插入容纳腔31中时，定位筋32能够限制点亮通光部22在上下方向和左右方向上的移动，从而对辅助点亮元件2在上下方向和左右方向上起到限位作用，同时，定位凸起24的前端面与定位槽33的底部接触，能够限制辅助点亮元件2向前移动，使得辅助点亮元件2安装到位。
同时，根据安装需求，可以在定位凸起24与定位槽33之间通过点胶或激光焊接的方式将定位凸起24与定位槽33固定连接，并且定位凸起24与定位槽33之间会留有一定的间隙，防止溢胶。在这里需要说明的是，远光光学元件1与辅助点亮元件2的相对位置的固定是通过在定位凸起24与定位槽33之间点胶或激光焊接的方式实现，定位凸起24的数量可以是多个，优选地，本发明的位于点亮入光部21一侧的定位凸起24的数量为四个，并且定位凸起24与定位槽33的侧壁之间留有间隙，该间隙均是用于防止溢胶。
作为本发明的又一个具体结构形式，如图9所示，所述辅助点亮元件2与所 述远光光学元件1一体成型，所述点亮出光部23形成于所述出光部13上。
进一步地，所述远光光学元件1和所述辅助点亮元件2的外部设有或一体形成有不透光壳体3。
当远光光学元件1与辅助点亮元件2为两个零件时，不透光壳体3与远光光学元件1采用双色注塑一体成型或嵌件注塑一体成型，辅助点亮元件2的安装过程为：不透光壳体3上具有容纳腔31，辅助点亮元件2能够从容纳腔31的开口处插入，直到定位凸起24的前端面抵靠定位槽33的底部，辅助点亮元件2不能再向前移动，而此时定位筋32贴靠在辅助点亮元件2上，辅助点亮元件2在上下方向和左右方向上也被限位。
当远光光学元件1与辅助点亮元件2一体成型时，辅助点亮元件2与远光光学元件1的外部包覆有不透光壳体3，不透光壳体3可与远光光学元件1和辅助点亮元件2的一体成型件采用双色注塑一体成型或嵌件注塑一体成型。
作为本发明的一个优选实施方式，所述出光部13的出光面形成为向外凸出的单个曲面。
可选地，如图7所示，所述出光部13的出光面设置为由呈网格状分布的若干平面或曲面拼接形成的前凸面。
在这里需要说明的是，出光部13的出光面优选为呈网格状分布的若干平面或曲面拼接形成的前凸面，这种结构能够使光线扩散一定角度，从而能够使得由出光部13的出光面出射的光线形成的光形的边界角度更大，均匀性更好。
作为本发明的另一个优选实施方式，所述远光入光部11包括多个向后凸出的曲面或锥形面，所述远光入光部11呈矩阵式排列，所述远光入光部11设置为至少一排。
本发明的远光入光部11的作用是将光线尽量多的汇聚，并导入远光导光部12中，因此，本发明的远光入光部11的优选实施例为多个向后凸出的曲面或锥形面，但是，本发明的远光入光部11并不仅限于上述两种优选实施方式，还可 以是其他具有汇聚光线作用的结构，均属于本发明的保护范围。
独特地，所述点亮入光部21为平面或向后凸出的曲面，所述点亮出光部23为平面或向前凸出的曲面。
另外，本发明第二方面还提供一种远光照明单元，包括散热器4、线路板5、设于所述线路板5上的远光光源6和辅助点亮光源7、以及根据第一方面技术方案中任一项所述的远光光学组件，所述远光光源6与所述远光入光部11、所述辅助点亮光源7与所述点亮入光部21一一对应设置。
从图14中可以看出，本发明的远光照明单元的点亮原理可以理解为：在近光照明模式下，远光光源6关闭，辅助点亮光源7点亮，辅助点亮光线由点亮入光部21射入，在点亮通光部22内传输并由点亮出光部23射出后进入到远光光学元件1内，在出光部13的出光面和侧面上发生全反射，并且全反射后的光线被不透光壳体3吸收。而光线在出光部13内的传播过程中，由于出光部13内的杂质会使得光线发生漫反射，漫反射后的光线由出光部13射出，这部分光线射入人眼，使得人在车灯前方看去，出光部13也是发光的，使得远光光学元件1处于点亮状态。由此可以使得本发明的远光照明单元在近光照明模式下也处于点亮状态。
进一步地，本发明第三方面还提供一种车灯，包括根据第二方面技术方案中所述的远光照明单元。
更进一步地，本发明第四方面还提供一种车辆，包括根据第三方面技术方案中所述的车灯。
由以上描述可以看出，本发明的远光光学组件包括远光光学元件1和辅助点亮元件2，所述远光光学元件1包括远光入光部11、远光导光部12和出光部13，所述辅助点亮元件2设于所述远光导光部12的下方，所述辅助点亮元件2由后向前依次包括点亮入光部21、点亮通光部22和点亮出光部23，所述点亮通光部22能够使所述点亮入光部21接收的光线传输至所述点亮出光部23，再经所述点 亮出光部23入射至所述出光部13，在所述出光部13内进行全反射后形成漫反射，漫反射的光线由所述出光部13的出光面出射后形成辅助点亮光线。本发明的远光光学组件通过设置辅助点亮元件2，当在近光照明模式下时，辅助点亮光源7点亮，光线依次经点亮入光部21、点亮通光部22、点亮出光部23并进入出光部13，光线在出光部13内发生全反射，并且可在出光部13的出光面和侧面上发生多次全反射，光线在被多次全反射的过程中，由于出光部13中的杂质使得这些光线发生漫反射，漫反射后的光线由出光部13的出光面折射出去，以形成辅助点亮光线，使得人在车灯前方看去，该出光部13也是发光的，实现近光照明模式下该出光部13也被点亮，点亮效果较好。
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 (12)

  1. 一种远光光学组件，其特征在于，包括远光光学元件(1)和辅助点亮元件(2)，所述远光光学元件(1)包括远光入光部(11)、远光导光部(12)和出光部(13)，所述辅助点亮元件(2)设于所述远光导光部(12)的下方，所述辅助点亮元件(2)由后向前依次包括点亮入光部(21)、点亮通光部(22)和点亮出光部(23)，所述点亮通光部(22)能够使所述点亮入光部(21)接收的光线传输至所述点亮出光部(23)，再经所述点亮出光部(23)入射至所述出光部(13)，在所述出光部(13)内进行全反射后形成漫反射，漫反射的光线由所述出光部(13)的出光面出射后形成辅助点亮光线。
  2. 根据权利要求1所述的远光光学组件，其特征在于，所述点亮出光部(23)与所述出光部(13)间隔设置，所述远光光学元件(1)的靠近所述点亮出光部(23)的部位形成为辅助光线入光面(14)。
  3. 根据权利要求2所述的远光光学组件，其特征在于，所述远光光学元件(1)的外部设有或一体形成有不透光壳体(3)，所述不透光壳体(3)上形成有供所述辅助点亮元件(2)插入的容纳腔(31)，所述容纳腔(31)内形成有多个定位筋(32)，各所述定位筋(32)适于贴靠所述辅助点亮元件(2)，以能够对所述辅助点亮元件(2)的上下方向和左右方向进行限位。
  4. 根据权利要求3所述的远光光学组件，其特征在于，所述点亮入光部(21)的左右两侧设有定位凸起(24)，所述容纳腔(31)的后端开口的两侧形成有定位槽(33)，所述定位凸起(24)的前端适于抵靠所述定位槽(33)的底部，以能够限制所述辅助点亮元件(2)向前移动。
  5. 根据权利要求1所述的远光光学组件，其特征在于，所述辅助点亮元件(2)与所述远光光学元件(1)一体成型，所述点亮出光部(23)形成于所述出光部(13)上。
  6. 根据权利要求5所述的远光光学组件，其特征在于，所述远光光学元件(1)和所述辅助点亮元件(2)的外部设有或一体形成有不透光壳体(3)。
  7. 根据权利要求1所述的远光光学组件，其特征在于，所述出光部(13)的出光面形成为向外凸出的单个曲面；或者
    所述出光部(13)的出光面设置为由呈网格状分布的若干平面或曲面拼接形成的前凸面。
  8. 根据权利要求1至7中任一项所述的远光光学组件，其特征在于，所述远光入光部(11)包括多个向后凸出的曲面或锥形面，所述远光入光部(11)呈矩阵式排列，所述远光入光部(11)设置为至少一排。
  9. 根据权利要求1至7中任一项所述的远光光学组件，其特征在于，所述点亮入光部(21)为平面或向后凸出的曲面，所述点亮出光部(23)为平面或向前凸出的曲面。
  10. 一种远光照明单元，其特征在于，包括散热器(4)、线路板(5)、设于所述线路板(5)上的远光光源(6)和辅助点亮光源(7)、以及根据权利要求1至9中任一项所述的远光光学组件，所述远光光源(6)与所述远光入光部(11)、所述辅助点亮光源(7)与所述点亮入光部(21)一一对应设置。
  11. 一种车灯，其特征在于，包括根据权利要求10所述的远光照明单元。
  12. 一种车辆，其特征在于，包括根据权利要求11所述的车灯。
PCT/CN2021/118267 2020-11-27 2021-09-14 一种远光光学组件、远光照明单元、车灯和车辆 WO2022110981A1 (zh)

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