WO2022165647A1 - 遮光组件、车灯模组和车辆 - Google Patents

遮光组件、车灯模组和车辆 Download PDF

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Publication number
WO2022165647A1
WO2022165647A1 PCT/CN2021/074925 CN2021074925W WO2022165647A1 WO 2022165647 A1 WO2022165647 A1 WO 2022165647A1 CN 2021074925 W CN2021074925 W CN 2021074925W WO 2022165647 A1 WO2022165647 A1 WO 2022165647A1
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WIPO (PCT)
Prior art keywords
light
low beam
shading
plate
reflective surface
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PCT/CN2021/074925
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English (en)
French (fr)
Inventor
陈佳缘
周浩
张洁
祝贺
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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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 CN202180081620.0A priority Critical patent/CN116601429A/zh
Priority to PCT/CN2021/074925 priority patent/WO2022165647A1/zh
Publication of WO2022165647A1 publication Critical patent/WO2022165647A1/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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof

Definitions

  • the present invention relates to a vehicle lamp, in particular, to a shading assembly.
  • the present invention also relates to a vehicle lamp module and a vehicle including the shading assembly.
  • a vehicle lamp module refers to a device having a lens or a component with an equivalent structure as the final light-emitting element, and is used for low beam or high beam illumination of automobile headlamps.
  • Car headlights can usually form high beam and low beam.
  • the distance of the high beam is far, which can improve the sight and expand the observation field;
  • the light shape of the low beam can be formed by a traditional shading plate.
  • the divergent light emitted by the light source is reflected by the reflector and concentrated near the near focus of the reflector.
  • the lens images onto the road surface.
  • the illuminance near the cut-off line of the low beam light shape is weak, and the light shape effect is poor, which needs to be further improved.
  • the first technical problem to be solved by the present invention is to provide a light-shielding assembly, which can be used to form a low-beam light shape with a low-beam III light shape, improve the brightness of the light near the cut-off line of the low-beam light shape, and reduce the near-beam shape.
  • the light shape effect is better.
  • the technical problem to be solved by the present invention is to provide a vehicle lamp module, which can form a low beam light shape with a low beam III region light shape, and improve the light and dark cut-off line of the low beam shape. Light brightness, low beam light shape effect is better.
  • the technical problem to be solved by the present invention is to provide a vehicle, which has good illumination brightness near the cut-off line of light and dark in the low beam light shape formed by the vehicle, and has a good light shape effect.
  • a first aspect of the present invention provides a light-shielding assembly, comprising a light-shielding member and a support member for supporting the light-shielding member, the light-shielding member including a first reflection surface, a second reflection surface and a third reflection surface , the second reflection surface is located on the left side of the third reflection surface, the first reflection surface is located at the back side of the second reflection surface and the third reflection surface, and the first reflection surface is vertical to the front and rear
  • the intersection of the straight planes forms a first straight line
  • the intersection of the second reflective surface and the front-to-rear vertical plane forms a second straight line
  • the included angle between the first straight line and the second straight line is less than 180°
  • the The second reflective surface is connected to the third reflective surface
  • the front ends of the second reflective surface and the third reflective surface are formed as a cut-off structure for forming a cut-off line
  • the bottom of the light-shielding member is connected to the support member.
  • the light-shielding member includes a first light-shielding plate and a second light-shielding plate arranged in sequence from the back to the front.
  • the upward facing surface is provided with the second reflection surface and the third reflection surface.
  • the support member includes a rear end plate and a side plate for supporting the second shading plate, the side plates are located on the left and right sides of the rear end plate, and the first shading plate A light channel of the low beam III zone is formed between the plate and the support member.
  • the front end of the second shading plate is set in an arc-shaped structure that is concave backward
  • the front end of the side plate is set in an extended arc-shaped structure matching the front end of the second shading plate
  • the first The front ends of the two light-shielding plates have the same curvature radius as the front ends of the side plates.
  • a flange for supporting the first visor is provided on the rear end plate, the flange is arranged to extend upward from the rear end plate, and at least one low beam is arranged on the flange. Zone III light exit.
  • the rear end plate is provided with a low beam III zone light dimming plate, and the low beam III zone light dimming plate is arranged to extend forward and downward from the front end of the rear end plate.
  • the included angle between the first straight line and the second straight line is greater than or equal to 150° and less than 180°.
  • the front end of the first reflective surface is connected to the rear end of the second reflective surface and the rear end of the third reflective surface, and between the second reflective surface and the third reflective surface Connected by connecting surfaces, the front ends of the second reflecting surface and the third reflecting surface are formed into the cut-off structure having two inflection points.
  • a second aspect of the present invention provides a vehicle lamp module, comprising a light incident component, a light shielding component and a lens sequentially arranged from the back to the front, the light shielding component is the above-mentioned light shielding component, and the middle part of the incident light of the light incident component
  • the light is transmitted to the lens, and projected through the lens to form a main low-beam light shape with a cut-off line, and part of the light is transmitted to the lens through the low-beam zone III light channel, and
  • the low beam III region light shape is formed by projection through the lens, so that the main low beam light shape and the low beam III region light shape are superimposed to form a low beam light shape with low beam III region light shape.
  • the light incident component includes a low-beam light source and a low-beam condensing element corresponding to the low-beam light source, and the focal point of the lens is located on the cut-off structure.
  • a third aspect of the present invention provides a vehicle, including the above-mentioned vehicle lamp module.
  • the shading component provided by the present invention enables the light incident to the shading component, part of the light is shaved by the shading member to form a main low beam shape with a cut-off line of light and dark, and part of the light passes through the light channel of the low beam III zone
  • the first reflection surface forms a certain angle with the second reflection surface and the third reflection surface, so that the light incident on the first reflection surface can be reflected to the area closer to the cut-off line of light and dark.
  • the supporting member supports the shading member to improve the overall strength of the shading component.
  • the setting of the low beam III area light outlet and the low beam III area light dimming panel can be respectively used to control the amount of light transmitted to the low beam III area through the low beam III area light channel,
  • the front end of the second shading plate and the front end of the side plate are set as arc structures with the same curvature radius, which can make the low beam light shape form a complete cut-off line of light and dark, and the low beam Light shape is better.
  • FIG. 1 is a schematic structural diagram of a specific embodiment of a shading assembly in the present invention.
  • Figure 2 is a side view of the shading assembly shown in Figure 1;
  • Fig. 3 is the rear view of the shading assembly shown in Fig. 1;
  • Fig. 4 is the top view of the shading assembly shown in Fig. 1;
  • Fig. 5 is the A-A sectional view of Fig. 4;
  • Fig. 6 is the B-B sectional view of Fig. 4;
  • FIG. 7 is a schematic structural diagram of a specific embodiment of the shading member in the present invention.
  • FIG. 8 is a top view of the shading member shown in FIG. 7;
  • Fig. 9 is the C-C sectional view of Fig. 8.
  • Fig. 10 is a light path comparison diagram of the shading member shown in Fig. 7 and the shading member of the prior art
  • FIG. 11 is a schematic structural diagram of a specific embodiment of a support member in the present invention.
  • FIG. 12 is a schematic structural diagram of a specific embodiment of a vehicle lamp module in the present invention.
  • Figure 13 is a top view of the lamp module shown in Figure 12;
  • Fig. 14 is the D-D sectional view of Fig. 13;
  • FIG. 15 is a schematic diagram of the low beam beam shape with the low beam III region light shape in the present invention.
  • the shading assembly provided in the first aspect of the present invention includes a shading member 1 and a supporting member 2 for supporting the shading member 1 , and the shading member 1 includes a first reflection surface 11 , a second reflection surface 12 and a first reflection surface 12 .
  • the second reflecting surface 12 is located on the left side of the third reflecting surface 13
  • the first reflecting surface 11 is located at the back side of the second reflecting surface 12 and the third reflecting surface 13
  • the first reflecting surface 11 is vertical to the front and rear
  • the intersection of the straight planes forms a first straight line
  • the second reflective surface 12 intersects with the front and rear vertical planes to form a second straight line
  • the angle ⁇ between the first straight line and the second straight line is less than 180°
  • the third reflective surface 13 is connected
  • the front ends of the second reflective surface 12 and the third reflective surface 13 are formed as a cut-off structure 14 for forming a cut-off line of light and dark
  • a low beam III is formed between the bottom of the shading member 1 and the support member 2 Area ray channel 6.
  • first reflective surface 11 , the second reflective surface 12 and the third reflective surface 13 may be connected to each other, or may be provided independently of each other.
  • the first reflective surface 11 , the second reflective surface 12 and the third reflective surface 13 Can be flat or curved.
  • the second reflection surface 12 and the third reflection surface 13 may extend in the horizontal direction, or may extend obliquely with respect to the horizontal direction.
  • the shading assembly is applied to a vehicle lamp module.
  • the vehicle lamp module is also provided with low beam light sources 4 and 4 corresponding to the shading assembly.
  • Lens 3 when the low-beam light source 4 is turned on, see FIG. 14, the light emitted by the low-beam light source 4 is shielded by the light-shielding component, and most of the light is emitted from the top of the light-shielding component 1 and is projected by the lens 3 through the action of the cut-off structure 14.
  • the main low beam light shape a with the cut-off line c of light and dark, a small part of the light enters the light channel 6 of the low beam III zone through the lower part of the shading member 1 for transmission, and is projected by the lens 3 to form the low beam III zone light shape b, the main low beam light
  • the shape a is superimposed with the low beam III region light shape b to form the low beam light shape with the low beam III region light shape b as shown in FIG. 15; referring to the light path shown in the solid line in FIG.
  • the main low beam can be improved.
  • the main low beam light shape a is the light shape located below the cut-off line c, which is used for lighting near the front of the vehicle; the low beam III light shape b is used to illuminate signs and other objects located above the road. , so that the driver can obtain information such as signs, which are located above the cut-off line c.
  • the included angle ⁇ is an obtuse angle relatively close to 180°, such as an obtuse angle greater than 120°. Considering the setting position of the light source and the direction of the reflected light, there are certain requirements for the included angle between the first reflecting surface 11 and the second reflecting surface 12.
  • the angle ⁇ between the first straight line and the second straight line is greater than or equal to 150° and less than 180°, preferably greater than or equal to 180°. or equal to 170°, and less than 180°, so that more light is incident on the first reflective surface 11 and reflected by the first reflective surface 11 into an area closer to the cut-off line c of the main low beam shape a.
  • the front end of the first reflection surface 11 is connected to the rear end of the second reflection surface 12 and the rear end of the third reflection surface 13, so that the first reflection surface 11, the second reflection surface 11 and the second reflection surface 13 are connected to each other.
  • the reflective surface 12 and the third reflective surface 13 are connected to each other to form an integral light-shielding structure.
  • the first reflection surface 11 may be directly connected to the second reflection surface 12 and the third reflection surface 13, or may be indirectly connected through an intermediate connection surface.
  • the intermediate connection surface between the first reflection surface 11 and the second reflection surface 12 and the intermediate connection surface between the first reflection surface 11 and the third reflection surface 13 may be the same intermediate connection surface or different intermediate connection surfaces.
  • the surface is limited to the relative positional relationship among the first reflecting surface 11, the second reflecting surface 12 and the third reflecting surface 13 required by the present invention.
  • the second reflection surface 12 and the third reflection surface 13 are located on different planes or curved surfaces, and the second reflection surface 12 and the third reflection surface 13 are connected to each other through the left and right inclined connecting surfaces 15 . connect.
  • the front ends of the second reflection surface 12 , the connection surface 15 and the third reflection surface 13 together form a cut-off structure 14 having two inflection points.
  • the cut-off structure 14 can block the light to form a right-hand driving low beam cut-off line; the height of the second reflecting surface 12 is lower than that of the third reflecting surface 13 When the height is high, the cut-off structure 14 can block the light to form a left-hand drive low beam cut-off line.
  • the shading member 1 may be provided with an integrally formed shading element, the top of the shading member is provided with a first reflecting surface 11, a second reflecting surface 12 and a third reflecting surface 13, and the bottom may be a horizontal plane or a Having a folded surface shape adapted to the relative positions of the first reflecting surface 11 , the second reflecting surface 12 and the third reflecting surface 13 , the shading member 1 is convenient for fixing and supporting, and the overall structure is relatively stable.
  • the shading member 1 in the present invention referring to FIGS. 7 to 9 , the shading member 1 includes a first shading plate and a second shading plate arranged in sequence from the back to the front, and the first shading plate faces upward.
  • a first reflective surface 11 is provided, and a second reflective surface 12 and a third reflective surface 13 are provided on the upward side of the second shading plate.
  • the arrangement of the first shading plate and the second shading plate makes the shading member 1 small in size and light in weight, and at the same time, it is more convenient to design and utilize the space below the shading member 1 , making the structural design of the shading member 1 and the supporting member 2 more flexible.
  • the support member 2 includes a rear end plate 21 and a side plate 22 for supporting the second shading plate.
  • the side plate 22 is located at the end of the rear end plate 21
  • a light channel 6 in the low beam III region is formed.
  • the gap formed between the inclined arrangement of the first shading plate and the support member 2 is used as the light channel 6 in the low beam III region, so that the light channel 6 in the low beam III region, the light shielding member 1 and the supporting member 2 are compact in structure and ingenious in design.
  • the light emitted by the low-beam light source 4 When the light emitted by the low-beam light source 4 is incident on the shading component, it has high optical utilization efficiency, that is, the upper light is used to form the main low-beam light shape a, and the lower light is used to form the low-beam zone III light shape b.
  • the front end of the second shading plate is set as an arc-shaped structure that is concave backward
  • the front end of the side plate 22 is set as an extended arc-shaped structure that matches the front end of the second shading plate.
  • the front end of the plate and the front end of the side plate 22 have the same radius of curvature.
  • the front end of the side plate 22 can support the front end of the second shading plate, and the front end surfaces of the two can be matched and spliced to form an overall arc structure with the same radius of curvature, so that the cut-off line c of the low beam shape is more complete, The low beam light shape effect is better.
  • the supporting member 2 can only support the bottom of the second shading plate, and the supporting member 2 can support the bottom of the second shading plate.
  • the first visor is connected to other elements in the lamp module or the first visor is supported by other elements in the lamp module. Specifically, it can be determined according to the structure between the elements in the lamp module. Design.
  • the rear end plate 21 is provided with a flange 23 for supporting the first light-shielding plate, and the flange 23 is arranged to extend upward from the rear end plate 21 .
  • At least one light exit port 24 in the low beam zone III is provided.
  • the flange 23 can further improve the overall supporting effect of the support 2 on the shading member 1, and improve the structural stability of the shading member 1.
  • the flange 23 can be located at the rear end, the middle or the front end of the rear end plate 21, preferably It is arranged at the rear end of the rear end plate 21 so as to achieve balance when supporting the shading member 1 .
  • the flange 23 is provided with a low beam III zone light exit 24.
  • the illuminance of the low beam III zone light outlet 24 is designed with different shapes and sizes to control the amount of light transmitted from the low beam III zone light outlet 24 to the low beam III zone light channel 6, thereby controlling the low beam III zone.
  • the light exit 24 in the low beam III region may be in a semicircle, a circle, a square, or the like.
  • the rear panel 21 is provided with a low beam III zone light dimming panel 25 , and the low beam III zone light dimming panel 25 is arranged from the front end of the rear panel 21 . Extend forward and downward.
  • a low beam III zone light channel 6 is formed between the rear end plate 21, the low beam III zone light dimming plate 25 and the first shading plate, so that the forward and downward inclination angle of the low beam III zone light dimming plate 25 can be adjusted from The amount of light projected by the light channel 6 in the low beam III area to the low beam III area can further control the illuminance projected to form the low beam III light shape b, and at the same time can improve the uniformity of the low beam III light shape b.
  • a second aspect of the present invention provides a vehicle lamp module, referring to FIGS. 12 to 14 , comprising a light incident assembly, a shading assembly and a lens 3 arranged in sequence from back to front,
  • the light-shielding component is the above-mentioned light-shielding component.
  • Part of the light incident from the light-incident component is shielded by the light-shielding member 1 and transmitted to the lens 3, and is projected by the lens 3 to form a main low beam shape a with a cut-off line c.
  • the light channel 6 of the low beam III area is transmitted to the lens 3, and is projected by the lens 3 to form the low beam III area light shape b, so that the main low beam light shape a and the low beam III area light shape b are superimposed to form a low beam III area.
  • the low beam light shape of light shape b is transmitted to the lens 3, and is projected by the lens 3 to form the low beam III area light shape b, so that the main low beam light shape a and the low beam III area light shape b are superimposed to form a low beam III area.
  • the light incident component includes a low-beam light source 4 and a low-beam condensing element 5 corresponding to the low-beam light source 4, and the focus of the lens 3 is located on the cut-off structure 14, so that the lens 3
  • the cut-off line c of the main low beam light shape a formed by projection is clearer.
  • the low-beam condensing element 5 may specifically be a concentrator, a condensing cup, a reflector, or other optical elements capable of converging and collimating the light emitted by the low-beam light source 4 .
  • the lamp module can also be provided with a circuit board for installing the low beam light source 4, a radiator connected to the circuit board, etc.
  • a circuit board for installing the low beam light source 4 a radiator connected to the circuit board, etc.
  • the high-beam light source, high-beam concentrating element, high-beam optical element and other elements forming the high-beam shape are arranged below the support 2, so that the low-beam shape and the high-beam shape can be better connected, and the light shape effect Well, save the space of the lamp module.
  • the present invention does not exclude that the low-beam light source 4 in the vehicle lamp module is set to match only the shading member 1 to form the main low-beam light shape a, and at the same time, the III-area light source that matches the low-beam III-area light channel 6 is arranged, For forming low beam III region light shape b.
  • the vehicle lamp module of the present invention includes a light incident component, a shading component and a lens 3 arranged in sequence from the back to the front.
  • the light incident component includes a circuit board and a low beam light source disposed on the circuit board. 4.
  • the low-beam condensing element 5 corresponding to the low-beam light source 4 and the radiator connected to the circuit board, wherein the low-beam condensing element 5 is a reflector;
  • the supporting member 2, the shading member 1 includes a first shading plate and a second shading plate arranged in sequence from the back to the front.
  • a second reflecting surface 12 and a third reflecting surface 13 are provided, the second reflecting surface 12 is located on the left side of the third reflecting surface 13, the second reflecting surface 12 is connected with the third reflecting surface 13, and the front end of the first reflecting surface 11 Connected with the rear end of the second reflection surface 12 and the rear end of the third reflection surface 13, the second reflection surface 12 and the third reflection surface 13 are connected by the left and right inclined connecting surfaces 15, the second reflection surface 12, The front end of the connecting surface 15 and the third reflecting surface 13 together form a cut-off structure 14 with two inflection points.
  • the first shading plate is arranged to be inclined downward by 5° from back to front, the second shading plate is arranged to extend in the horizontal direction, and the lens 3
  • the focus is on the cut-off structure 14;
  • the support 2 includes a rear end plate 21 and a side plate 22 for supporting the second shading plate, the side plates 22 are located on the left and right sides of the rear end plate 21, and the rear end of the rear end plate 21
  • a flange 23 for supporting the first shading plate is provided, the flange 23 extends upward from the rear end of the rear end plate 21 , and a number of low beam III zone light exit ports 24 are arranged on the flange 23 .
  • a low beam III zone light dimming plate 25 is provided, and the front end of the rear end plate 21 extends forward and downward.
  • the front end of the second shading plate is set as an arc-shaped structure that is concave backward, and the front end of the side plate 22 is set as an extended arc-shaped structure that matches the front end of the second visor, and the two The radius of curvature is the same.
  • the light emitted by the low beam light source 4 is shielded by the shading component, and most of the light can be incident on the lens 3 , wherein the incident light enters the first
  • the light from the reflective surface 11 is more reflected to the area closer to the cut-off line c of the main low-beam light shape a, and finally the main low-beam light shape a with the light-dark cut-off line c is projected by the lens 3;
  • the light exit port 24 in the low beam III area enters the light channel 6 in the low beam III area and exits to the lens 3, and is projected by the lens 3 to form the low beam III area light shape b, the main low beam light shape a and the low beam III area light shape b.
  • a third aspect of the present invention provides a vehicle, including the above-mentioned vehicle lamp module. Therefore, there are at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments of the shading assembly and the vehicle lamp module, which will not be repeated here.
  • the first reflective surface 11, the second reflective surface 12 and the third reflective surface 13 in the shading assembly of the present invention form a certain angle, so that the light incident on the first reflective surface 11 can be reflected to It is closer to the area of the cut-off line c, so as to improve the brightness of the light near the cut-off line c of the low-beam shape, and the effect of the low-beam light shape is better; the support 2 supports the shading member 1 to improve the whole of the shading component. strength.
  • the setting of the light outlet 24 in the low beam III area and the light dimming plate 25 in the low beam III area can be respectively used to control the transmission of the light channel 6 to the low beam III area through the low beam III area.
  • the amount of light inside to control the illuminance and uniformity of the light shape b in the low beam III zone; the front end of the second shading plate and the front end of the side plate 22 are set as arc structures with the same curvature radius, which can make the low beam light shape form a complete
  • the cut-off line of light and dark, the low beam light shape effect is better.

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

Abstract

一种遮光组件、车灯模组和车辆。遮光组件包括遮光件（1）和用于支撑遮光件（1）的支撑件（2），遮光件（1）包括第一反射面（11）、第二反射面（12）和第三反射面（13），第二反射面（12）位于第三反射面（13）的左侧，第一反射面（11）位于第二反射面（12）和第三反射面（13）的后侧，第一反射面（11）与前后向竖直平面相交形成第一直线，第二反射面（12）与前后向竖直平面相交形成第二直线，第一直线与第二直线之间的夹角小于180°，第二反射面（12）与第三反射面（13）相连接，第二反射面（12）和第三反射面（13）的前端形成为用于形成明暗截止线的截止结构（14），遮光件（1）的底部与支撑件（2）之间形成有近光III区光线通道（6）。遮光组件能够提高近光光形明暗截止线（c）附近的光照亮度，近光光形效果更佳。

Description

遮光组件、车灯模组和车辆 技术领域
本发明涉及车灯，具体地，涉及一种遮光组件，此外，本发明还涉及包含该遮光组件的车灯模组和车辆。
背景技术
在车灯技术领域，车灯模组是指具有透镜或相当结构的零件作为最终出光元件，且用于汽车前照灯的近光或远光照明的装置。随着汽车行业的发展逐渐成熟和稳定，在车灯模组的综合性能方面，客户提出了越来越多且越来越高的要求，比如车灯的近光或远光光形均匀性、可视性、光照亮度以及模组的结构、重量和体积等。
汽车前照灯通常能够形成远光光形和近光光形，远光光形的距离远，可以提高视线，扩大观察视野；近光光形距离近，不会给对方司机造成炫目。现有技术中，近光光形可以通过传统的遮光板来形成，光源发出的发散光经反射镜反射后汇聚于反射镜的近焦点附近，经过遮光板遮挡形成明暗截止线，并通过准直透镜成像到路面。但是，现有技术中近光光形的明暗截止线附近的照度较弱，光形效果较差，还有待进一步提高。
发明内容
本发明首先所要解决的技术问题是提供一种遮光组件，该遮光组件能够用于形成具有近光III区光形的近光光形，提高近光光形的明暗截止线附近的光照亮度，近光光形效果更佳。
进一步地，本发明所要解决的技术问题是提供一种车灯模组，该车灯模组能够形成具有近光III区光形的近光光形，提高近光光形的明暗截止线附近的光照亮度，近光光形效果更佳。
最后，本发明所要解决的技术问题是提供一种车辆，该车辆形成的近光光形中明暗截止线附近的光照亮度好、光形效果佳。
为了实现上述目的，本发明第一方面提供一种遮光组件，包括遮光件和用于支撑所述遮光件的支撑件，所述遮光件包括第一反射面、第二反射面和第三反射面，所述第二反射面位于所述第三反射面的左侧，所述第一反射面位于所述第二反射面和第三反射面的后侧，所述第一反射面与前后向竖直平面相交形成第一直线，所述第二反射面与前后向竖直平面相交形成第二直线，所述第一直线与所述第二直线之间的夹角小于180°，所述第二反射面与所述第三反射面相连接，所述第二反射面和第三反射面的前端形成为用于形成明暗截止线的截止结构，所述遮光件的底部与所述支撑件之间形成有近光III区光线通道。
优选地，所述遮光件包括由后至前依次设置的第一遮光板和第二遮光板，所述第一遮光板朝上的一面设置有所述第一反射面，所述第二遮光板朝上的一面设置有所述第二反射面和所述第三反射面。
作为一种优选的结构形式，所述支撑件包括后端板和用于支撑所述第二遮光板的侧板，所述侧板位于所述后端板的左右两侧，所述第一遮光板与所述支撑件之间形成为所述近光III区光线通道。
优选地，所述第二遮光板的前端设置为向后内凹的弧形结构，所述侧板的前端设置为与所述第二遮光板的前端相匹配的延伸弧形结构，所述第二遮光板的前端与所述侧板的前端的曲率半径相同。
更优选地，所述后端板上设置有用于支撑所述第一遮光板的翻边，所述翻边设置为从所述后端板向上延伸，所述翻边上设置有至少一个近光III区光线出光口。
具体地，所述后端板上设置有近光III区光线调光板，所述近光III区光线调光板设置为由所述后端板的前端向前向下延伸。
典型地，所述第一直线与所述第二直线之间的夹角大于或等于150°， 且小于180°。
更典型地，所述第一反射面的前端与所述第二反射面的后端和所述第三反射面的后端相连接，所述第二反射面与所述第三反射面之间通过连接面相连接，所述第二反射面和第三反射面的前端形成为具有两个拐点的所述截止结构。
本发明第二方面提供一种车灯模组，包括由后至前依次设置的入光组件、遮光组件和透镜，所述遮光组件为上述的遮光组件，所述入光组件入射的光线中部分光线经所述遮光件遮光后传输至所述透镜，并经所述透镜投射形成具有明暗截止线的主近光光形，部分光线经所述近光III区光线通道传输至所述透镜，并经所述透镜投射形成近光III区光形，以使得所述主近光光形与所述近光III区光形叠加形成具有近光III区光形的近光光形。
优选地，所述入光组件包括近光光源和与所述近光光源对应设置的近光聚光元件，所述透镜的焦点位于所述截止结构上。
本发明第三方面提供一种车辆，包括上述的车灯模组。
通过上述技术方案，本发明提供的遮光组件使得入射至该遮光组件的光线中，部分光线经遮光件进行遮光以形成具有明暗截止线的主近光光形，部分光线经近光III区光线通道传输以形成近光III区光形，第一反射面与第二反射面和第三反射面形成一定的夹角，能够使得入射至该第一反射面的光线反射至更加贴近明暗截止线的区域内，从而提高近光光形的明暗截止线附近的光照亮度，近光光形效果更佳；支撑件对遮光件进行支撑，以提升遮光组件的整体强度。
在本发明的优选实施方式中，近光III区光线出光口和近光III区光线调光板的设置能够分别用于控制经近光III区光线通道传输至近光III区区域内的光线量，以控制近光III区光形的照度和均匀性；第二遮光板的前端和侧板的前端设置为曲率半径相同的弧形结构，能够使得近光光形形成完整的明暗截止线，近光光形更佳。
有关本发明的其它技术特征和技术效果，将在下文的具体实施方式中进一步说明。
附图说明
下列附图用来提供对本发明的进一步理解，并且构成说明书的一部分，其与下述的具体实施方式一起用于解释本发明，但本发明的保护范围并不局限于下述附图及具体实施方式。在附图中：
图1是本发明中遮光组件的一种具体实施方式的结构示意图；
图2是图1所示的遮光组件的侧视图；
图3是图1所示的遮光组件的后视图；
图4是图1所示的遮光组件的俯视图；
图5是图4的A-A剖面图；
图6是图4的B-B剖面图；
图7是本发明中遮光件的一种具体实施方式的结构示意图；
图8是图7所示的遮光件的俯视图；
图9是图8的C-C剖面图；
图10是图7所示的遮光件与现有技术的遮光件的光路对比图；
图11是本发明中支撑件的一种具体实施方式的结构示意图；
图12是本发明中车灯模组的一种具体实施方式的结构示意图；
图13是图12所示的车灯模组的俯视图；
图14是图13的D-D剖面图；
图15是本发明中具有近光III区光形的近光光形示意图。
附图标记说明
1遮光件                     11第一反射面
12第二反射面                13第三反射面
14截止结构                  15连接面
2支撑件                     21后端板
22侧板                      23翻边
24近光III区光线出光口       25近光III区光线调光板
3透镜                       4近光光源
5近光聚光元件               6近光III区光线通道
α第一直线与第二直线的夹角   a主近光光形
b近光III区光形              c明暗截止线
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，并不用于限制本发明。
首先需要说明的是，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“上”、“下”、“顶”、“底”、“前”、“后”等，基于车灯模组“前”是指光线出光方向所指的方向，“后”是指与“前”相反的方向，“左”是指沿光线出光方向的左侧，“右”是指沿光线出光方向的右侧，即与车辆正常行驶的左右侧方向相同，“上”、“顶”是指沿光线出光方向的上方，“下”、“底”是指沿光线出光方向的下方。术语为基于附图所示的方向或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
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“设置”、“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，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。
本发明第一方面提供的遮光组件，参见图1至图6，包括遮光件1和用于支撑遮光件1的支撑件2，遮光件1包括第一反射面11、第二反射面12和第三反射面13，第二反射面12位于第三反射面13的左侧，第一反射面11位于第二反射面12和第三反射面13的后侧，第一反射面11与前后向竖直平面相交形成第一直线，第二反射面12与前后向竖直平面相交形成第二直线，第一直线与第二直线之间的夹角α小于180°，第二反射面12与第三反射面13相连接，第二反射面12和第三反射面13的前端形成为用于形成明暗截止线的截止结构14，遮光件1的底部与支撑件2之间形成有近光III区光线通道6。
需要说明的是，第一反射面11、第二反射面12和第三反射面13可以相互连接，也可以是相互独立设置，第一反射面11、第二反射面12和第三反射面13可以是平面，也可以是曲面。第二反射面12和第三反射面13可以是沿水平方向延伸，也可以是相对于水平方向倾斜延伸。
为了更好地说明遮光组件的基础方案的结构特征，下面以遮光组件应用于车灯模组中的情况进行说明，通常车灯模组中还设置有与遮光组件相对应的近光光源4和透镜3，在近光光源4打开时，参见图14，近光光源4发出的光线经遮光组件进行遮光，大部分光线由遮光件1上方出射并经截止结构14的作用，经透镜3投射形成具有明暗截止线c的主近光光形a，小部分光线经遮光件1的下方进入近光III区光线通道6进行传输，经透镜3投射形成近光III区光形b，主近光光形a与近光III区光形b叠加以形成如图15所示的具有近光III区光形b的近光光形；参见图10中实线所示的光路，第一反射面11设置为相对第二反射面12和第三反射面13倾斜设置且由后至前向下倾斜延伸，能够使得入射至该第一反射面11的光线更多地反射至更加贴近主近光光形a的明暗截止线c的区域内，相比于第一反射面 11与第二反射面12和第三反射面13处于同一平面时(参见图10中虚线所示的光路)，能够提高主近光光形a的靠近明暗截止线c的区域的光照亮度，近光光形效果更佳；近光III区光线通道6设置在遮光件1的下方，使得近光III区光形b与主近光光形a的叠加效果更佳。需要说明的是，主近光光形a为位于明暗截止线c下方的光形，用于车辆前方近处的照明；近光III区光形b用于照亮标志牌等位于路面上方的物体，使驾驶员获取标志牌等信息，其位于明暗截止线c的上方。
本发明中，夹角α为比较接近180°的钝角，如为大于120°的钝角。考虑到光源的设置位置以及反射光线的方向，对第一反射面11与第二反射面12之间的夹角具有一定的要求，夹角过大，经第一反射面11反射的光线偏离明暗截止线c过远，起不到增强明暗截止线c附近照度的目的；夹角过小，经第一反射面11反射的光线更易于照射到第二反射面12上，经第二反射面12的反射后最终偏离明暗截止线c附近。作为本发明中第一反射面11和第二反射面12的一种优选实施方式，第一直线与第二直线之间的夹角α大于或等于150°，且小于180°，优选为大于或等于170°，且小于180°，以使得更多地光线射至第一反射面11并由第一反射面11反射至更加贴近主近光光形a的明暗截止线c的区域内。
在本发明的遮光件1的一些实施例中，第一反射面11的前端与第二反射面12的后端和第三反射面13的后端相连接，使得第一反射面11、第二反射面12和第三反射面13相互连接形成一个整体的遮光结构。第一反射面11与第二反射面12和第三反射面13之间可以直接连接，也可以通过中间连接面间接连接。第一反射面11与第二反射面12之间的中间连接面和第一反射面11与第三反射面13之间的中间连接面可以是同一个中间连接面，也可以是不同的中间连接面，以形成本发明所要的第一反射面11、第二反射面12和第三反射面13之间的相对位置关系为限。
进一步地，参见图7和图8，第二反射面12与第三反射面13位于不同 的平面或者曲面上，第二反射面12与第三反射面13之间通过左右倾斜的连接面15相连接。第二反射面12、连接面15和第三反射面13的前端共同形成具有两个拐点的截止结构14。第二反射面12的高度高于第三反射面13的高度时，截止结构14能够对光线进行遮挡，形成右驾近光截止线；第二反射面12的高度低于第三反射面13的高度时，截止结构14能够对光线进行遮挡，形成左驾近光截止线。
本发明中，遮光件1可以设置为一体成型的遮光元件，该遮光件的顶部设置有第一反射面11、第二反射面12和第三反射面13，底部可以是水平面也可以是设置为具有与第一反射面11、第二反射面12和第三反射面13之间的相对位置相适应的折面形状，此时遮光件1便于固定支撑、整体结构较为稳定。作为本发明中遮光件1的一种优选实施方式，参见图7至图9，遮光件1包括由后至前依次设置的第一遮光板和第二遮光板，第一遮光板朝上的一面设置有第一反射面11，第二遮光板朝上的一面设置有第二反射面12和第三反射面13。第一遮光板和第二遮光板的设置使得遮光件1的体积小、质量轻，同时更便于对遮光件1下方的空间进行设计利用，使得其与支撑件2的结构设计更加灵活。
作为本发明中遮光组件的一种优选实施方式，参见图1和图11，支撑件2包括后端板21和用于支撑第二遮光板的侧板22，侧板22位于后端板21的左右两侧，第一遮光板与支撑件2之间形成为近光III区光线通道6。利用第一遮光板的倾斜设置与支撑件2之间形成的间隙作为近光III区光线通道6，使得近光III区光线通道6与遮光件1、支撑件2的结构紧凑、设计巧妙，同时使得近光光源4发出的光线入射至遮光组件时，具有较高的光学利用效率，即上方的光线用于形成主近光光形a，下方的光线用于形成近光III区光形b。
优选情况下，参见图1，第二遮光板的前端设置为向后内凹的弧形结构，侧板22的前端设置为与第二遮光板的前端相匹配的延伸弧形结构，第二遮 光板的前端与侧板22的前端的曲率半径相同。此时，侧板22的前端能够支撑第二遮光板的前端，且两者的前端面能够相配合并拼接成曲率半径相同的整体弧形结构，使得近光光形的明暗截止线c更加完整，近光光形效果更佳。
本发明中，在第一遮光板与第二遮光板的结构与角度允许的情况下，支撑件2可以仅对第二遮光板的底部进行支撑，在支撑件2对第二遮光板的底部进行支撑的同时，第一遮光板与车灯模组中的其他元件连接或者第一遮光板被车灯模组中的其他元件支撑，具体地可以根据车灯模组内的各元件之间的结构进行设计。
作为支撑件2的一种优选实施方式，参见图11，后端板21上设置有用于支撑第一遮光板的翻边23，翻边23设置为从后端板21向上延伸，翻边23上设置有至少一个近光III区光线出光口24。翻边23能够进一步提高支撑件2对遮光件1整体的支撑作用，提高遮光件1的结构稳定性，具体地，翻边23可以位于后端板21的后端部、中部或者前端部，优选为设置在后端板21的后端部，从而实现对遮光件1支撑时的平衡性。为了能够将光线传输至近光III区光线通道6，提高对近光光源4的光线利用率，翻边23上设置有近光III区光线出光口24，此时，可以根据近光III区所需的照度，对近光III区光线出光口24进行不同形状和大小的设计，以控制从近光III区光线出光口24传输至近光III区光线通道6的光线量，从而控制近光III区的照度，具体地，近光III区光线出光口24可以是半圆形、圆形、方形等形状。
作为本发明中支撑件2的另一种优选实施方式，后端板21上设置有近光III区光线调光板25，近光III区光线调光板25设置为由后端板21的前端向前向下延伸。后端板21、近光III区光线调光板25与第一遮光板之间形成近光III区光线通道6，从而近光III区光线调光板25向前向下的倾斜角度能够调节从近光III区光线通道6投射至近光III区区域的光线量，进 而能够对投射形成近光III区光形b的照度进行控制，同时能够提高近光III区光形b的均匀性。
在本发明上述的遮光组件的基础上，本发明第二方面提供了一种车灯模组，参见图12至图14，包括由后至前依次设置的入光组件、遮光组件和透镜3，遮光组件为上述的遮光组件，入光组件入射的光线中部分光线经遮光件1遮光后传输至透镜3，并经透镜3投射形成具有明暗截止线c的主近光光形a，部分光线经近光III区光线通道6传输至透镜3，并经透镜3投射形成近光III区光形b，以使得主近光光形a与近光III区光形b叠加以形成具有近光III区光形b的近光光形。
作为车灯模组的一种优选实施方式，入光组件包括近光光源4和与近光光源4对应设置的近光聚光元件5，透镜3的焦点位于截止结构14上，使得经透镜3投射形成的主近光光形a的明暗截止线c更加清晰。其中，近光聚光元件5具体可以为聚光器、聚光杯、反射镜或者其他能够将近光光源4发出的光线进行汇聚、准直的光学元件。
需要说明的是，车灯模组中还可以设置有用于安装近光光源4的线路板、与线路板连接的散热器等，为了更加合理地应用车灯模组内的空间，可将用于形成远光光形的远光光源、远光聚光元件、远光光学元件等元件设置在支撑件2的下方，从而能够使得近光光形与远光光形更好地衔接，光形效果好、节省车灯模组的空间。本发明并不排除车灯模组中将近光光源4设置为仅与遮光件1匹配，用于形成主近光光形a，同时设置与近光III区光线通道6相匹配的III区光源，以用于形成近光III区光形b。
作为本发明的车灯模组一个相对优选的实施例中，包括由后至前依次设置的入光组件、遮光组件和透镜3，入光组件包括电路板、设置在电路板上的近光光源4、与近光光源4对应设置的近光聚光元件5和与电路板连接的散热器，其中，近光聚光元件5为反射镜；遮光组件包括遮光件1和用于支撑遮光件1的支撑件2，遮光件1包括由后至前依次设置的第一遮光板 和第二遮光板，第一遮光板朝上的一面设置为第一反射面11，第二遮光板朝上的一面设置有第二反射面12和第三反射面13，第二反射面12位于第三反射面13的左侧，第二反射面12与第三反射面13相连接，第一反射面11的前端与第二反射面12的后端和第三反射面13的后端相连接，第二反射面12与第三反射面13之间通过左右倾斜的连接面15相连接，第二反射面12、连接面15和第三反射面13的前端共同形成具有两个拐点的截止结构14，第一遮光板设置为由后至前向下倾斜5°，第二遮光板设置为水平方向延伸，透镜3的焦点位于截止结构14上；支撑件2包括后端板21和用于支撑第二遮光板的侧板22，侧板22位于后端板21的左右两侧，后端板21的后端部设置有用于支撑第一遮光板的翻边23，翻边23从后端板21的后端部向上延伸，且翻边23上设置有若干近光III区光线出光口24，后端板21上设置有近光III区光线调光板25，且由后端板21的前端向前向下延伸，后端板21、近光III区光线调光板25与第一遮光板之间形成为近光III区光线通道6；第二遮光板的前端设置为向后内凹的弧形结构，侧板22的前端设置为与第二遮光板的前端相匹配的延伸弧形结构，且两者的曲率半径相同。
在上述实施例提供的车灯模组中，在近光光源4打开时，参见图14，近光光源4发出的光线经遮光组件遮光，大部分光线能够入射至透镜3，其中入射至第一反射面11的光线更多地反射至更加贴近主近光光形a的明暗截止线c的区域内，最后经透镜3投射形成具有明暗截止线c的主近光光形a；小部分光线经近光III区光线出光口24进入近光III区光线通道6并出射至透镜3，再由透镜3投射形成近光III区光形b，主近光光形a与近光III区光形b叠加以形成具有近光III区光形b的近光光形。
本发明第三方面提供了一种车辆，包括上述的车灯模组。因此至少具有上述遮光组件和车灯模组实施例的技术方案所带来的所有有益效果，在此不再赘述。
由以上描述可以看出，本发明的遮光组件中第一反射面11与第二反射面12和第三反射面13形成一定的夹角，能够使得入射至该第一反射面11的光线反射至更加贴近明暗截止线c的区域内，从而提高近光光形的明暗截止线c附近的光照亮度，近光光形效果更佳；支撑件2对遮光件1进行支撑，以提升遮光组件的整体强度。
另外，在本发明的优选实施方式中，近光III区光线出光口24和近光III区光线调光板25的设置能够分别用于控制经近光III区光线通道6传输至近光III区区域内的光线量，以控制近光III区光形b的照度和均匀性；第二遮光板的前端和侧板22的前端设置为曲率半径相同的弧形结构，能够使得近光光形形成完整的明暗截止线，近光光形效果更佳。
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 (11)

  1. 一种遮光组件，其特征在于，包括遮光件(1)和用于支撑所述遮光件(1)的支撑件(2)，所述遮光件(1)包括第一反射面(11)、第二反射面(12)和第三反射面(13)，所述第二反射面(12)位于所述第三反射面(13)的左侧，所述第一反射面(11)位于所述第二反射面(12)和第三反射面(13)的后侧，所述第一反射面(11)与前后向竖直平面相交形成第一直线，所述第二反射面(12)与前后向竖直平面相交形成第二直线，所述第一直线与所述第二直线之间的夹角(α)小于180°，所述第二反射面(12)与所述第三反射面(13)相连接，所述第二反射面(12)和第三反射面(13)的前端形成为用于形成明暗截止线的截止结构(14)，所述遮光件(1)的底部与所述支撑件(2)之间形成有近光III区光线通道(6)。
  2. 根据权利要求1所述的遮光组件，其特征在于，所述遮光件(1)包括由后至前依次设置的第一遮光板和第二遮光板，所述第一遮光板朝上的一面设置有所述第一反射面(11)，所述第二遮光板朝上的一面设置有所述第二反射面(12)和所述第三反射面(13)。
  3. 根据权利要求2所述的遮光组件，其特征在于，所述支撑件(2)包括后端板(21)和用于支撑所述第二遮光板的侧板(22)，所述侧板(22)位于所述后端板(21)的左右两侧，所述第一遮光板与所述支撑件(2)之间形成为所述近光III区光线通道(6)。
  4. 根据权利要求3所述的遮光组件，其特征在于，所述第二遮光板的前端设置为向后内凹的弧形结构，所述侧板(22)的前端设置为与所述第二遮光板的前端相匹配的延伸弧形结构，所述第二遮光板的前端与所述侧 板(22)的前端的曲率半径相同。
  5. 根据权利要求3所述的遮光组件，其特征在于，所述后端板(21)上设置有用于支撑所述第一遮光板的翻边(23)，所述翻边(23)设置为从所述后端板(21)向上延伸，所述翻边(23)上设置有至少一个近光III区光线出光口(24)。
  6. 根据权利要求3所述的遮光组件，其特征在于，所述后端板(21)上设置有近光III区光线调光板(25)，所述近光III区光线调光板(25)设置为由所述后端板(21)的前端向前向下延伸。
  7. 根据权利要求1至6中任意一项所述的遮光组件，其特征在于，所述第一直线与所述第二直线之间的夹角(α)大于或等于150°，且小于180°。
  8. 根据权利要求1至6中任意一项所述的遮光组件，其特征在于，所述第一反射面(11)的前端与所述第二反射面(12)的后端和所述第三反射面(13)的后端相连接，所述第二反射面(12)与所述第三反射面(13)之间通过连接面(15)相连接，所述第二反射面(12)和第三反射面(13)的前端形成为具有两个拐点的所述截止结构(14)。
  9. 一种车灯模组，其特征在于，包括由后至前依次设置的入光组件、遮光组件和透镜(3)，所述遮光组件为根据权利要求1至8中任一项所述的遮光组件，所述入光组件入射的光线中部分光线经所述遮光件(1)遮光后传输至所述透镜(3)，并经所述透镜(3)投射形成具有明暗截止线(c)的主近光光形(a)，部分光线经所述近光III区光线通道(6)传输至所述透镜(3)，并经所述透镜(3)投射形成近光III区光形(b)，以使得所 述主近光光形(a)与所述近光III区光形(b)叠加形成具有所述近光III区光形(b)的近光光形。
  10. 根据权利要求9所述的车灯模组，其特征在于，所述入光组件包括近光光源(4)和与所述近光光源(4)对应设置的近光聚光元件(5)，所述透镜(3)的焦点位于所述截止结构(14)上。
  11. 一种车辆，其特征在于，包括根据权利要求9或10所述的车灯模组。
PCT/CN2021/074925 2021-02-02 2021-02-02 遮光组件、车灯模组和车辆 WO2022165647A1 (zh)

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