WO2021013171A1 - 车灯组件、车灯以及相应的机动车辆 - Google Patents

车灯组件、车灯以及相应的机动车辆 Download PDF

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Publication number
WO2021013171A1
WO2021013171A1 PCT/CN2020/103476 CN2020103476W WO2021013171A1 WO 2021013171 A1 WO2021013171 A1 WO 2021013171A1 CN 2020103476 W CN2020103476 W CN 2020103476W WO 2021013171 A1 WO2021013171 A1 WO 2021013171A1
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WO
WIPO (PCT)
Prior art keywords
light
vehicle
gap
bracket
blocking layer
Prior art date
Application number
PCT/CN2020/103476
Other languages
English (en)
French (fr)
Inventor
陶秋阳
张文玲
杨栋
Original Assignee
法雷奥照明湖北技术中心有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 法雷奥照明湖北技术中心有限公司 filed Critical 法雷奥照明湖北技术中心有限公司
Priority to EP20843763.2A priority Critical patent/EP4012252A4/en
Priority to US17/626,917 priority patent/US20230051211A1/en
Publication of WO2021013171A1 publication Critical patent/WO2021013171A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/0483—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights mounted on a bracket, e.g. details concerning the mouting of the lamps on the vehicle body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2619—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic built in the vehicle body
    • B60Q1/2623—Details of the fastening means
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/275—Lens surfaces, e.g. coatings or surface structures
    • 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
    • F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • 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
    • F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • F21S41/55—Attachment thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/247—Light guides with a single light source being coupled into the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • F21S43/51—Attachment thereof

Definitions

  • the embodiments of the present invention generally relate to the field of lighting and/or signal indication, and more specifically, to a vehicle lamp assembly, a vehicle lamp, and a motor vehicle having the vehicle lamp that can at least partially prevent light leakage.
  • a variety of lighting and/or signal indicating devices are used to provide light for illumination and/or optical indications, which are widely used in various fields, such as the use of lighting devices such as car lights or signal indicating devices in motor vehicles to ensure safety Driving.
  • various types of car light components are often required to achieve different functions, such as high beams, low beams, fog lights, turn signals, daytime running light components, tail lights, brake light components, etc.
  • Some vehicle light components aggregate or integrate two or more of these functions.
  • the light emitted by adjacent light sources with different functions may pass through the gap between components, causing light leakage or even light mixing of different functions, which will change, even reduce or weaken the original lighting or signal indicator function, light Strength and/or lighting effect, which are detrimental to the safe driving of motor vehicles, fail to meet the requirements of relevant laws and regulations, and also have a negative impact on the overall aesthetics of the lamp assembly.
  • One purpose of the present invention is to overcome at least one of the above and other problems and defects in the prior art.
  • an embodiment provides a vehicle lamp assembly, which includes: a bracket for supporting a light emitting body; a shell arranged to overlap with at least a part of the bracket; There is a first gap between the overlapping parts; and a first light blocking layer disposed between the overlapping parts of the housing and the bracket, and at least partially filling the first gap to prevent The light of the light emitting body is emitted outward through the first gap.
  • the first light blocking layer includes an elastic layer.
  • the first light blocking layer is integrally formed on one of the surfaces of the housing and the bracket facing each other through a two-shot injection molding process or a co-extrusion process.
  • the first light blocking layer is disposed in a compressed state between the overlapping parts of the housing and the bracket, so that the first light blocking layer abuts on the opposite sides of the housing and the bracket. On the surface.
  • the first light blocking layer is attached to one of the surfaces of the housing and the bracket facing each other by an adhesive.
  • the vehicle lamp assembly further includes: a light-transmitting cover having a supporting part mounted to the housing, and a second gap is present between the supporting part and the housing; and a second light blocking layer The second light blocking layer at least partially fills the second gap, so as to prevent the light from the light emitting body from being emitted outward through the second gap.
  • the vehicle lamp assembly further includes a third light blocking layer at least partially filling the third light blocking layer. A gap to prevent the light from the light emitting body from being emitted outward through the third gap.
  • the housing includes a decorative frame, the decorative frame is arranged to overlap with at least a portion of the bracket, and the first gap is located between the overlapping portion of the decorative frame and the bracket.
  • the housing further includes a housing that at least partially defines the outer contour of the vehicle light assembly, and the frame is disposed on the outer side of the decorative frame and at least partially overlaps the decorative frame , There is a fourth gap between the overlapping parts of the frame and the decorative frame; the vehicle lamp assembly further includes a fourth light blocking layer that at least partially fills the fourth gap to prevent light from the light emitting body The light emitted through the fourth gap.
  • the vehicle lamp assembly further includes a spacer layer disposed between the light emitting body and the bracket, and the spacer layer contacts at least parts of the light emitting body and the bracket facing each other.
  • the first light blocking layer and the spacer layer may be an integral piece.
  • the vehicle light assembly further includes the light emitting body, and the light emitting body includes a light source and/or a light guide.
  • the vehicle light assembly includes at least one of a low beam, a high beam, a turn signal, a position light, a reversing light, a fog light, a daytime running light, and a brake light.
  • an embodiment further provides a motor vehicle, which includes the vehicle lamp assembly described in any embodiment of the present invention.
  • Fig. 1 is a schematic diagram showing the structure of a vehicle lamp assembly according to an exemplary embodiment of the present invention
  • FIG. 2 is an exploded schematic diagram showing the structure of a vehicle lamp assembly according to an exemplary embodiment of the present invention
  • FIG. 3 is a schematic diagram showing the structure of a vehicle lamp assembly according to another exemplary embodiment of the present invention.
  • FIG. 4 is a schematic cross-sectional view showing the structure of an example of a vehicle lamp assembly according to an exemplary embodiment of the present invention.
  • FIG. 5 is a schematic cross-sectional view showing the structure of an example of a vehicle lamp assembly according to another exemplary embodiment of the present invention.
  • the vehicle lamp assembly has a plurality of parts surrounding a light emitting body such as a light source or a light guide. There are overlapping parts between these parts, and the light blocking layer is used to fill the overlapping parts of these parts. The gaps between the parts block the light from the light emitting body from exiting through these gaps, thereby avoiding light leakage and improving the lighting effect of the car lights.
  • the vehicle lamp assembly includes a bracket 110 for or accommodating and supporting the light emitting body 200.
  • the bracket 110 has a groove 112 that can at least partially match the outer contour of the light emitting body 200, and the light emitting body 200 is at least partially The ground is positioned in the groove 112 and emits light toward the target direction R outward.
  • the light emitting body described in this text can be the light source itself, such as incandescent lamp, halogen lamp, LED lamp, xenon lamp, laser source, etc., or it can be a component that receives light from the light source and guides and emits light, such as a light conductor (light guide), light guide tube, etc.; or a combination of light source and light guide component.
  • the light source itself, such as incandescent lamp, halogen lamp, LED lamp, xenon lamp, laser source, etc.
  • a component that receives light from the light source and guides and emits light such as a light conductor (light guide), light guide tube, etc.; or a combination of light source and light guide component.
  • the vehicle lamp assembly further includes a housing 100 which is arranged or installed to overlap with at least a part of the bracket 110 with each other.
  • the overlapping parts of the housing 100 and the bracket 110 are in close contact with each other, but in practice, due to design defects, manufacturing errors, assembly or assembly inaccuracy or errors, installation structure/space limitations, and vehicle lamp components after vibration Due to factors such as displacement of the internal components, there is a gap between the overlapping parts of the housing 100 and the bracket 110, such as the first gap G as shown in the figure, and the light from the light emitting body 200 may exit or leak through the gap.
  • Such a gap may also cause the light emitted by adjacent light sources with different lighting or signal indicating functions to pass through the gap, causing light leakage or even light mixing with different functions, which will change, even reduce or weaken the original Illumination or signal indication function, light intensity and/or lighting effect are detrimental to the safe driving of motor vehicles, fail to meet the requirements of relevant laws and regulations, and also have a negative impact on the overall aesthetics of the lamp assembly.
  • the vehicle lamp assembly further includes a first light blocking layer 131 disposed between the overlapping portions of the housing 100 and the bracket 110, which at least partially fills the first gap G to prevent light from being emitted.
  • the light of the body 200 exits or leaks outward through the first gap G, so that the light from the light exit body 200 exits along the target direction R in a manner sufficient to meet the requirements of the illumination or signal indicating function, light intensity and/or lighting effect.
  • the housing 100 may include a decorative frame 120.
  • the decorative frame 120 is also referred to as a decorative frame or a transition plate of a vehicle light, which is used to shield the electronic/optical components in the vehicle light and play a decorative role.
  • the decorative frame 120 is arranged or installed to overlap with at least a part of the bracket 110.
  • the first gap G is located between the overlapping portions of the decorative frame 120 and the bracket 110.
  • the bracket 110 has a surface 111 facing the decorative frame 120
  • the decorative frame 120 has a surface 121 facing the bracket 110. The material, thickness, etc.
  • the first light blocking layer 131 are selected such that It is configured to abut or closely contact the mutually facing surfaces 111 and 121 of the decorative frame 120 and the support 110, and at least provide an optical seal between the decorative frame 120 and the support 110. It can be understood that the first light blocking layer 131 may surround the light emitting body in a continuous or discontinuous manner to optically seal the gap between the decorative frame 120 and the support 110 at various positions. In addition, the first light blocking layer 131 may fill all or a part of the first gap G according to factors such as light blocking requirements, process conditions, assembly convenience, and installation robustness.
  • the first light blocking layer 131 may include an elastic layer or an elastic member, which can be elastically deformed, and can be squeezed or compressed on the housing 100 (such as the decorative frame 120) and the bracket after assembly. Between the overlapping parts of the 110, the surfaces of the housing 100 (such as the decorative frame 120) and the bracket 110 facing each other are abutted or closely contacted.
  • the first light blocking layer 131 includes an elastically deformable material layer. More preferably, the first light blocking layer 131 includes a thermoplastic elastomer layer.
  • the first light blocking layer 131 has a thickness T before being squeezed or compressed, and is squeezed or compressed between the housing 100 (such as the decorative frame 120) and the support 110 There is a thickness t between, which is less than the thickness T.
  • the deformation of the layer under squeezing can also overcome or eliminate these unfavorable factors, well match or adapt to the gaps of various sizes between the various parts of the lamp, and achieve a better light blocking effect, and there is no need to design complicated overlap or
  • the light-shielding structure facilitates manufacturing and assembly, and reduces manufacturing and assembly costs.
  • this kind of elastic member or elastic layer can also be adapted to the structure or shape of each component of the lamp (including the above-mentioned bracket 110, decorative frame 120, housing 100, etc.), or the arrangement of the components thereon, to provide a good optical seal.
  • the first light blocking layer 131 may be made of an elastically deformable material or a flexible material with elasticity or compressibility, such as a variety of suitable sealing materials, including but not limited to thermoplastic elastomer (TPE) materials, Thermoplastic polyester elastomer (TPEE), ethylene propylene diene monomer (EPDM) materials, nitrile rubber materials, silicone materials, neoprene materials, polyurethane rubber materials, resin materials, foam materials, etc.
  • TPE material is preferably used to prepare the light blocking layer.
  • TPE material has high elasticity, high strength, high resilience of rubber, and has the characteristics of injection molding, environmental protection, non-toxic and safe, wide range of hardness, excellent coloring, soft touch, weather resistance, fatigue resistance and resistance Temperature, excellent processing performance, no need for vulcanization, can be recycled to reduce costs, it can be two-shot injection molding, and it can be coated and bonded with the material of the structural parts of the car light (such as PP, PE, PC, PS, ABS, etc.) , Can also be molded separately.
  • the above-mentioned elastic layer or elastic member, elastically deformable material, flexible material with elasticity or compressibility, or a layer made of it is opaque or shielded to provide a light blocking function.
  • the first light blocking layer 131 may be attached to one of the surfaces of the housing 100 (such as the decorative frame 120) and the bracket 110 facing each other by an adhesive. In other examples, the first light blocking layer 131 may be formed on one surface of the housing 100 (such as the decorative frame 120) and the bracket 110 facing each other through a two-shot injection molding process or a co-extrusion process, and the housing 100 (such as the decorative frame 120) or the bracket 110 is formed as an integral structure.
  • first light blocking layer 131 there is no connection between the first light blocking layer 131 and the housing 100 or the bracket 110, but the first light blocking layer 131 is squeezed on the bracket 110 through the housing 100, or the first light blocking The layer 131 and the housing 100 or the bracket 110 are connected to each other in a form fit or press fit.
  • the vehicle lamp assembly may further include a spacer layer 160 disposed between the light emitting body 200 and the bracket 110, which, for example, at least contacts the light emitting body 200 and
  • the mutually facing parts of the bracket 110 can be well matched or adapted to the contour or shape of the part where the light emitting body 200 and the bracket 110 face each other, so that the light emitting body 200 can be more stably supported on the bracket 110, and the spacer layer 160 can provide a smooth supporting surface to support and contact the light emitting body 200, which can ensure the light emitting uniformity of the light emitting body 200.
  • the spacer layer 160 may include an elastic material layer or an elastic member, such as an elastically deformable material, a flexible material with elasticity or compressibility, etc., to provide a gap between the light emitting body 200 and the support 110 Better contour or shape matching.
  • an elastic material layer or an elastic member such as an elastically deformable material, a flexible material with elasticity or compressibility, etc.
  • the first light blocking layer 131 and the spacer layer 160 may be an integral piece.
  • the first light blocking layer 131 and the spacer layer 160 are made of the same material.
  • first light blocking layer 131 and the spacer layer 160 are in the form of an integral piece of the same material, only one injection port is required to complete the injection molding of the entire piece, and the production process is simpler.
  • the vehicle lamp assembly further includes a transparent cover 140.
  • the light-transmitting cover 140 may be integrally formed with the decorative frame 120, such as being molded by a two-color injection molding process or a two-shot molding process, without a gap between the two, as shown in FIG. 4.
  • the light-transmitting cover 140 is also called the light distribution lens or the outer lens of the vehicle light. It at least provides the function of uniformly emitting the light of the vehicle light. It is usually made of a light-transmitting material, such as a transparent resin material, and has a matching function with the vehicle body.
  • the transparent cover 140 can also have any other shape.
  • the light transmissive cover 140 can be installed or assembled to the decorative frame 120, as shown in FIG. 5.
  • the vehicle lamp assembly is further provided with a second light blocking layer 132, which at least partially fills the second gap between the transparent cover 140 and the decorative frame 120 , In order to prevent the light from the light emitting body 200 from being emitted outward through the second gap, thereby further avoiding light mixing or light leakage.
  • the light transmissive cover 140 has a support portion 141 mounted to the bracket 110, and there may be a gap between the light transmissive cover 140 and the bracket 110, for example, between the support portion 141 of the light transmissive cover 140 and the bracket 110. There is a third gap between.
  • the vehicle lamp assembly may further include a third light blocking layer 133, which at least partially fills the third gap to prevent the light from the light emitting body from being emitted outward through the third gap, thereby further preventing Light mixing or light leakage.
  • the housing 100 may further include a frame 150, which may at least partially define the outer contour of the lamp assembly.
  • the frame 150 may be an additional decorative frame or a second decorative frame, or may be The shell of the car light.
  • the light transmissive cover 140 is mounted to the frame 150 to close the opening side or the light emitting side of the frame 150 to define at least the various components (such as light source, circuit board, electronic component, optical component , Brackets, decorative frames, etc.), the frame 150 is arranged on the outside of the decorative frame 120 and at least partially overlaps the decorative frame 120.
  • the frame 150 and the decorative frame 120 are shown as different or separate parts of the housing 100, in other embodiments, the above-mentioned frame and the decorative frame may be formed as an integral structure, or may be a single Different parts of the one-piece or one-piece housing 100, or in some cases, the frame or trim itself may also be referred to as the housing 100 or shell of the vehicle light.
  • the above-mentioned second to fourth light blocking layers and spacer layers may also include elastic material layers or elastic members, such as made of elastically deformable or compressible materials, or elastic or compressible flexible materials.
  • the material, forming process, structure, size, installation, etc. may be similar to the first light blocking layer, and will not be repeated here.
  • the lamp assembly described in the embodiment of the present invention can be used as a part of the lamp of a motor vehicle, or it can be the lamp itself, such as low beam, high beam, fog lamp, brake lamp, turn signal, position lamp , Daytime running lights, etc.
  • the embodiment of the present invention also provides a motor vehicle including the above-mentioned vehicle light assembly.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

一种车灯组件、车灯以及相应的机动车辆。该车灯组件包括：支架（110），用于支撑出光体（200）；壳体（100），设置成与支架（110）的至少一部分彼此重叠，壳体（100）与支架（110）的彼此重叠的部分之间存在第一间隙（G）；和第一光阻挡层（131），该第一光阻挡层（131）设置在壳体（100）与支架（110）的彼此重叠的部分之间，至少部分地填充第一间隙（G），以阻止来自出光体（200）的光通过该第一间隙（G）向外射出。

Description

车灯组件、车灯以及相应的机动车辆 技术领域
本实用新型的实施例一般地涉及照明和/或信号指示领域，并且更具体地，涉及一种至少能够部分地防止光泄漏的车灯组件、车灯以及具有该车灯的机动车辆。
背景技术
多种照明和/或信号指示装置用于提供用于照明和/或光学指示的光，广泛应用于各个领域，例如在机动车辆中利用诸如车灯之类的照明装置或信号指示装置来保证安全行驶。而在机动车辆上往往需要各种类型的车灯组件来实现不同的功能，如远光灯、近光灯、雾灯、转向灯、日间行车灯组件、尾灯、刹车灯组件等，其中一些车灯组件集合或集成了这些功能中的两种或更多种。
作为车灯的常规照明或信号指示装置，在其装配完毕之后，或者在实际使用时，由于结构/空间的限制、设计的缺陷、装配不精确或误差、震动后车灯组件内部件的移位等因素，不同功能的相邻光源发出的光可能从部件间的间隙穿过，造成漏光甚至不同功能的光混合的情况发生，这会改变、甚至降低或消弱原本照明或信号指示功能、光照强度和/或点亮效果，这对机动车辆的安全行驶是不利的，无法满足相关法规要求，并且还会对车灯组件的整体美观度造成不良影响。
实用新型内容
本实用新型的一个目的在于克服现有技术中存在的上述和其它问题和缺陷中的至少一种。
根据本实用新型的一个方面，一种实施例提供了一种车灯组件，其包括：支架，用于支撑出光体；壳体，设置成与支架的至少一部分彼此重叠，壳体与支架的彼此重叠的部分之间存在第一间隙；和第一光阻挡层，该第一光阻挡层设置在壳体与支架的彼此重叠的部分之间，至少部分地填充所 述第一间隙，以阻止来自出光体的光通过该第一间隙向外射出。
在一些实施例中，所述第一光阻挡层包括弹性层。
在一些实施例中，所述第一光阻挡层通过二次注塑成型工艺或共挤出工艺一体地形成在壳体和支架的彼此面对的表面中的一个上。
在一些实施例中，所述第一光阻挡层以压缩状态设置在壳体与支架的彼此重叠的部分之间，使得所述第一光阻挡层抵靠在壳体和支架的彼此面对的表面上。
在一些实施例中，所述第一光阻挡层通过粘合剂附着在壳体和支架的彼此面对的表面中的一个上。
在一些实施例中，车灯组件还包括：透光罩，该透光罩具有安装至所述壳体的支撑部，在支撑部与壳体之间存在第二间隙；和第二光阻挡层，该第二光阻挡层至少部分地填充所述第二间隙，以阻止来自出光体的光通过该第二间隙向外射出。
在一些实施例中，在透光罩的支撑部与所述支架之间存在第三间隙，并且车灯组件还包括第三光阻挡层，该第三光阻挡层至少部分地填充所述第三间隙，以阻止来自出光体的光通过该第三间隙向外射出。
在一些实施例中，壳体包括饰框，饰框设置成与支架的至少一部分彼此重叠，所述第一间隙位于饰框与支架的彼此重叠的部分之间。
在一些实施例中，壳体还包括框架(housing)，该框架至少部分地限定该车灯组件的外轮廓，并且该框架设置在所述饰框的外侧，与所述饰框至少部分地重叠，在框架与饰框的彼此重叠的部分之间存在第四间隙；车灯组件还包括第四光阻挡层，该第四光阻挡层至少部分地填充所述第四间隙，以阻止来自出光体的光通过该第四间隙向外射出。
在一些实施例中，车灯组件还包括设置在出光体与所述支架之间的隔垫层，该隔垫层至少接触出光体和所述支架的彼此面对的部分。
在一些实施例中，所述第一光阻挡层和所述隔垫层可以为一体件。
在一些实施例中，该车灯组件还包括所述出光体，该出光体包括光源和/或光导。
在一些实施例中，所述车灯组件包括近光灯、远光灯、转向灯、位置灯、倒车灯、雾灯、日间行车灯和刹车灯中的至少一种。
根据本实用新型的另一方面，一种实施例还提供了一种机动车辆，其包括本实用新型的任一实施例中描述的车灯组件。
通过下文中参照附图对本实用新型所作的详细描述，本实用新型的其它目的和优点将显而易见，并可帮助对本实用新型有全面的理解。
附图说明
本实用新型的这些和/或其他方面、特征和优点从下面结合附图对说明性实施例的描述中将变得明显和容易理解，其中：
图1是示出根据本实用新型的一种示例性实施例的车灯组件的结构的示意图；
图2是示出根据本实用新型的示例性实施例的车灯组件的结构的分解示意图；
图3是示出根据本实用新型的另一种示例性实施例的车灯组件的结构的示意图；
图4是示出根据本实用新型的一种示例性实施例的车灯组件的示例的结构的剖面示意图；以及
图5是示出根据本实用新型的另一种示例性实施例的车灯组件的示例的结构的剖面示意图。
部件标记列表：
100 壳体 200 出光体
110 支架 120 饰框
131 第一光阻挡层 132 第二光阻挡层
133 第三光阻挡层 134 第四光阻挡层
140 透光罩 141 支撑部
150 框架 160 隔垫层
具体实施方式
下面将结合附图，对本实用新型的实施例进行详细的描述。在本说明书中，相同或相似的部件由相同或类似的附图标号指示。下述参照附图对本实用新型实施方式的说明旨在对本实用新型的总体公开构思进行解释， 而不应当理解为对本实用新型的一种限制。
另外，在下面的详细描述中，为便于说明，阐述了许多具体的细节以提供对本实用新型的实施例的全面理解。然而明显地，一个或多个实施例在没有这些具体细节的情况下也可以被实施。在其它情况下,公知的结构和装置以图示的方式体现以简化附图。
根据本实用新型的一个总体发明构思，车灯组件具有围绕诸如光源或光导之类的出光体的多个部件，这些部件之间存在彼此重叠的部分，利用光阻挡层填充这些部件的彼此重叠的部分之间的间隙，阻挡来自出光体的光通过这些间隙向外射出，从而很好地避免光泄漏，改善车灯的点亮效果。
图1和2示意性地示出了根据本实用新型的示例性实施例的车灯组件的结构。如图所示，车灯组件包括用于或容纳支撑出光体200的支架110，例如支架110具有凹槽112，凹槽112可以与出光体200的外轮廓至少部分地匹配，出光体200至少部分地定位在凹槽112中，并向外朝目标方向R出射光。示例性地，本文中描述的出光体可以是光源本身，如白炽灯、卤素灯、LED灯、氙灯、激光源等，也可以是接收来自光源的光并引导和出射光的部件，如光导体(light guide)、导光管等；或者是光源和导光部件两者的组合。
车灯组件还包括壳体100，其被设置或安装成与支架110的至少一部分彼此重叠。理想的是，壳体100与支架110彼此重叠的部分紧密接触，但在实际中，由于设计的缺陷、制造误差、装配或组装不精确或误差、安装结构/空间的限制、震动后车灯组件内部件的移位等因素，在壳体100与支架110的彼此重叠的部分之间存在间隙，如图中所示的第一间隙G，来自出光体200的光可能通过该间隙出射或泄漏。这种间隙的存在还可能会导致不同照明或信号指示功能的相邻光源发出的光从该间隙穿过，造成漏光甚至不同功能的光混合的情况发生，这会改变、甚至降低或消弱原本照明或信号指示功能、光照强度和/或点亮效果，这对机动车辆的安全行驶是不利的，无法满足相关法规要求，并且还会对车灯组件的整体美观度造成不良影响。
在图示的实施例中，车灯组件还包括设置在壳体100与支架110的彼此重叠的部分之间的第一光阻挡层131，其至少部分地填充第一间隙G， 以阻止来自出光体200的光通过该第一间隙G向外射出或泄漏，使得来自出光体200的光以足以满足照明或信号指示功能、光照强度和/或点亮效果的要求的方式沿目标方向R出射。
在一些实施例中，壳体100可以包括饰框(decorative frame)120，饰框120也称为车灯的装饰框或过度盘，用于遮挡车灯中的电子/光学元件并起装饰作用。如图所示，饰框120设置或安装成与支架110的至少一部分彼此重叠。第一间隙G位于饰框120与支架110的彼此重叠的部分之间。示例性地，在彼此重叠的部位处，支架110具有面对饰框120的表面111，而饰框120具有面对支架110的表面121，选择第一光阻挡层131的材料、厚度等，使得其被构造成抵靠或紧密接触饰框120和支架110的彼此面对的表面111、121，在饰框120和支架110之间至少提供光学密封。可以理解，第一光阻挡层131可以以连续或非连续形式围绕出光体，以光学密封饰框120和支架110之间在各个位置处的间隙。此外，根据光阻挡需求、工艺条件、组装便利性、安装牢固性等因素，第一光阻挡层131可以填充第一间隙G的全部或一部分。
根据本实用新型的示例性实施例，第一光阻挡层131可以包括弹性层或弹性构件，其能够弹性变形，在装配后可以被挤压或压缩在壳体100(如饰框120)与支架110的彼此重叠的部分之间，从而抵靠或紧密接触壳体100(如饰框120)和支架110的彼此面对的表面。
优选地，所述第一光阻挡层131包括可弹性变形材料层。更优选地，所述第一光阻挡层131包括热塑性弹性体层。
示例性地，如图1和2所示，第一光阻挡层131在被挤压或压缩前具有厚度T，而在被挤压或压缩在壳体100(如饰框120)与支架110之间具有厚度t，厚度小于厚度T。由此，即便在实际使用中存在设计缺陷、制造误差、装配或组装不精确或误差、安装结构/空间的限制、震动后车灯组件内部件的移位等不利因素，这种弹性构件或弹性层在挤压下的变形也能克服或消除这些不利因素，很好地匹配或适应车灯各部件之间的各种尺寸的间隙，实现更好的光阻挡效果，并且无需设计复杂的重叠或遮光结构，便于制造和组装，并且降低制造和组装成本。此外，这种弹性构件或弹性层还可以适应车灯的各部件(包括上述支架110、饰框120、壳体100等) 自身的结构或形状、或其上的元件的布置，提供良好的光学密封。
示例性地，第一光阻挡层131可以由可弹性变形材料或具有弹性或可压缩性的柔性材料制成，例如多种合适的密封材料，包括但不限于，热塑性弹性体(TPE)材料、热塑性聚酯弹性体(TPEE)、三元乙丙(EPDM)材料、丁晴橡胶材料、硅胶材料、氯丁胶材料、聚氨酯橡胶材料、树脂材料、泡沫材料等。在本实用新型的实施例中，优选地选用TPE材料来制备光阻挡层。TPE材料具有橡胶的高弹性、高强度，高回弹性，又具有可注塑加工的特征，具有环保无毒安全，硬度范围广，有优良的着色性，触感柔软，耐候性，抗疲劳性和耐温性，加工性能优越，无须硫化，可以循环使用降低成本，既可以二次注塑成型，与车灯的结构部件的材料(如PP、PE、PC、PS、ABS等基体材料)包覆粘合，也可以单独成型。示例性地，上述弹性层或弹性构件、可弹性变形材料、具有弹性或可压缩性的柔性材料、或其制成的层是不透光的或是遮光的，以提供光阻挡功能。
在一些示例中，第一光阻挡层131可以通过粘合剂附附着在壳体100(如饰框120)和支架110的彼此面对的表面中的一个上。在另一些示例中，第一光阻挡层131可以通过二次注塑成型工艺或共挤出工艺形成在壳体100(如饰框120)和支架110的彼此面对的一个表面上，与壳体100(如饰框120)或支架110形成为一体结构。在其它示例中，第一光阻挡层131与壳体100或支架110之间不存在连接件，而是通过壳体100将第一光阻挡层131挤压在支架110上，或者第一光阻挡层131与壳体100或支架110之间以形状配合或压配合的方式彼此连接。
在本实用新型的一些示例性实施例中，如图3和5所示，车灯组件还可以包括设置在出光体200与支架110之间的隔垫层160，其例如至少接触出光体200和支架110的彼此面对的部分，可以很好地匹配或适应出光体200与支架110彼此面对的部分的轮廓或形状，使得出光体200可以更稳定地支撑在支架110上，并且隔垫层160可以提供平滑支撑面来支撑和接触出光体200，可以确保出光体200的出光均匀性。在一些实施例中，隔垫层160可以包括弹性材料层或弹性构件，如由可弹性变形材料、具有弹性或可压缩性的柔性材料等制成，以在出光体200与支架110之间提供更好的轮廓或形状匹配。
优选地，所述第一光阻挡层131和所述隔垫层160可以为一体件。
更优选地，所述第一光阻挡层131和所述隔垫层160采用相同的材料制成。
本领域技术人员应可理解，当第一光阻挡层131和隔垫层160采用同一个材料的一体件形式时，仅需一个注塑口即可完成整个件的注塑，其生产工艺更加简单。
在图示的实施例中，如图4和5所示，车灯组件还包括透光罩140。在一些示例中，透光罩140可以与饰框120形成为一体，如通过双色注塑工艺或二次成型工艺模制而成，二者之间不具有间隙，如图4所示。透光罩140也称为车灯的配光镜或外透镜，至少提供使车灯的光通过其均匀出射的功能，通常由透光材料制成，例如透明的树脂材料，并具有与车身匹配的流线型外形，当然从美观的角度考虑，透光罩140也可以具有任何其它形状。在另外一些示例中，透光罩140可以安装或组装至饰框120，如图5所示，同样地，由于设计、安装结构或美观等要求，在透光罩与饰框之间可能会存在第二间隙，同样不希望车灯组件的光通过这种间隙向外出射。因此，在本实用新型的一个实施例中，如图5所示，车灯组件还设置有第二光阻挡层132，其至少部分地填充透光罩140与饰框120之间的第二间隙，以阻止来自出光体200的光通过该第二间隙向外射出，从而进一步避免混光或光泄漏。
此外，在一些情况中，透光罩140具有安装至支架110的支撑部141，在透光罩140与支架110之间可能会存在间隙，例如，在透光罩140的支撑部141与支架110之间存在第三间隙。相应地，如图4所示，车灯组件还可以包括第三光阻挡层133，其至少部分地填充第三间隙，以阻止来自出光体的光通过该第三间隙向外射出，从而进一步避免混光或光泄漏。
在图5图示的实施例中，壳体100还可以包括框架150，其可以至少部分地限定车灯组件的外轮廓，例如框架150可以为附加的饰框或第二饰框，或者可以为车灯的外壳。如图所示，透光罩140安装至框架150，封闭框架150的开口侧或出光侧，以与框架150一起限定至少容纳车灯的各种部件(如光源、电路板、电子元件、光学元件、支架、饰框等)的空间，框架150设置在饰框120的外侧，与饰框120至少部分地重叠，在框架 150与饰框120的彼此重叠的部分之间存在第四间隙，第四光阻挡层134至少部分地填充第四间隙，以阻止来自出光体200的光通过该第四间隙向外射出，从而进一步避免混光或光泄漏。虽然在图示的实施例中，框架150和饰框120被示出为壳体100的不同或单独部件，但在其它实施例中，上述框架和饰框可以形成为一体结构，或者可以是单件式或一体式壳体100的不同部分，或者在一些情况中也可以将框架或饰框本身称之为车灯的壳体100或外壳。
可以理解，上述第二至第四光阻挡层以及隔垫层也可以包括弹性材料层或弹性构件，如由可弹性变形或压缩材料、或具有弹性或可压缩性的柔性材料等制成，其材料、形成工艺、结构、尺寸、安装等可以与第一光阻挡层类似，在此不再赘述。
本实用新型的实施例中描述的车灯组件可以用作机动车辆的车灯的一部分，也可以是车灯本身，例如近光灯、远光灯、雾灯、刹车灯、转向灯、位置灯、日间行车灯等等。
本实用新型的实施例还提供了包括上述车灯组件的机动车辆。
虽然结合附图对本实用新型进行了说明，但是附图中公开的实施例旨在对本实用新型优选实施方式进行示例性说明，而不能理解为对本实用新型的一种限制。附图中的尺寸比例仅仅是示意性的，并不能理解为对本实用新型的限制。
虽然本实用新型总体构思的一些实施例已被显示和说明，本领域普通技术人员将理解，在不背离本总体公开构思的原则和精神的情况下，可对这些实施例做出改变，本实用新型的范围以权利要求和它们的等同物限定。

Claims (15)

  1. 一种车灯组件，其特征在于，所述车灯组件包括：
    支架(110)，用于支撑出光体(200)；
    壳体(100)，设置成与所述支架(110)的至少一部分彼此重叠，壳体(100)与所述支架(110)的彼此重叠的部分之间存在第一间隙(G)；和
    第一光阻挡层(131)，所述第一光阻挡层设置在所述壳体(100)与所述支架(110)的彼此重叠的部分之间，至少部分地填充所述第一间隙，以阻止来自所述出光体(200)的光通过所述第一间隙向外射出。
  2. 根据权利要求1所述的车灯组件，其特征在于，所述第一光阻挡层(131)包括弹性层。
  3. 根据权利要求1或2所述的车灯组件，其特征在于，所述第一光阻挡层(131)通过二次注塑成型工艺或共挤出工艺一体地形成在所述壳体(100)和所述支架(110)的彼此面对的表面中的一个上。
  4. 根据权利要求1或2所述的车灯组件，其特征在于，所述第一光阻挡层(131)以压缩状态设置在所述壳体(100)与所述支架(110)的彼此重叠的部分之间，使得所述第一光阻挡层(131)抵靠在所述壳体(100)和所述支架(110)的彼此面对的表面上。
  5. 根据权利要求1或2所述的车灯组件，其特征在于，所述第一光阻挡层(131)通过粘合剂附着在所述壳体(100)和所述支架(110)的彼此相对的表面中的一个表面上。
  6. 根据权利要求1或2所述的车灯组件，其特征在于，所述车灯组件还包括：
    透光罩(140)，所述透光罩具有安装至所述壳体(100)的支撑部(141)，在支撑部(141)与壳体(100)之间存在第二间隙；和
    第二光阻挡层(132)，所述第二光阻挡层(132)至少部分地填充所述第二间隙，以阻止来自出光体(200)的光通过所述第二间隙向外射出。
  7. 根据权利要求6所述的车灯组件，其特征在于，在所述透光罩(140)的所述支撑部(141)与所述支架(110)之间存在第三间隙，并且所述车 灯组件还包括：
    第三光阻挡层(133)，所述第三光阻挡层(133)至少部分地填充所述第三间隙，以阻止来自出光体(200)的光通过所述第三间隙向外射出。
  8. 根据权利要求1或2所述的车灯组件，其特征在于，所述壳体(100)包括饰框(120)，所述饰框(120)设置成与所述支架(110)的至少一部分彼此重叠，所述第一间隙位于所述饰框(120)与所述支架(110)的彼此重叠的部分之间。
  9. 根据权利要求8所述的车灯组件，其特征在于，所述壳体(100)还包括：
    框架(150)，所述框架(150)至少部分地限定所述车灯组件的外轮廓，并且所述框架(150)设置在所述饰框(120)的外侧，与所述饰框(120)至少部分地重叠，在所述框架(150)与所述饰框(120)的彼此重叠的部分之间存在第四间隙；
    所述车灯组件还包括第四光阻挡层(134)，所述第四光阻挡层(134)至少部分地填充所述第四间隙，以阻止来自所述出光体(200)的光通过所述第四间隙向外射出。
  10. 根据权利要求1或2所述的车灯组件，其特征在于，所述车灯组件还包括：
    设置在所述出光体(200)与所述支架(110)之间的隔垫层(160)，所述隔垫层(160)至少接触所述出光体(200)和所述支架(110)的彼此面对的部分。
  11. 根据权利要求10所述的车灯组件，其特征在于：
    所述第一光阻挡层(131)和所述隔垫层(160)可以为一体件。
  12. 根据权利要求1、2、7、9、11中任一项所述的车灯组件，其特征在于，所述车灯组件还包括所述出光体(200)，所述出光体(200)包括光源和/或光导。
  13. 一种车灯，其特征在于，所述车灯包括如权利要求1至12中任一项所述的车灯组件。
  14. 根据权利要求13所述的车灯，其特征在于，所述车灯为近光灯、远光灯、转向灯、位置灯、倒车灯、雾灯、日间行车灯和刹车灯中的至少 一种。
  15. 一种机动车辆，其特征在于，所述机动车辆包括权利要求13或14所述的车灯。
PCT/CN2020/103476 2019-07-23 2020-07-22 车灯组件、车灯以及相应的机动车辆 WO2021013171A1 (zh)

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