CN210568144U - Light path conduction assembly for car lamp and car lamp - Google Patents
Light path conduction assembly for car lamp and car lamp Download PDFInfo
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- CN210568144U CN210568144U CN201922003933.7U CN201922003933U CN210568144U CN 210568144 U CN210568144 U CN 210568144U CN 201922003933 U CN201922003933 U CN 201922003933U CN 210568144 U CN210568144 U CN 210568144U
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Abstract
The utility model discloses a light path conduction subassembly and car light for car light. Wherein, light path conduction subassembly for car light includes the light source, the speculum, lens and decorations circle, the speculum is located the propagation path of the emergent ray that the light source produced, be used for reflecting emergent ray and form reflection light, lens are located reflection light's propagation path, and lens are including going into the plain noodles, go into the plain noodles and include a plurality of sub income plain noodles that adjacent set up in proper order, every sub income plain noodles is used for forming the deflection light after refracting to reflection light, the decorations circle includes a plurality of printing opacity districts and a plurality of non-printing opacity district, printing opacity district and non-printing opacity district interval in proper order set up, and printing opacity district and sub income plain noodles one-to-one, printing opacity district is located on the propagation path of deflection light. The utility model provides a light path conduction subassembly and car light for car light has improved the utilization ratio of light source emergent ray.
Description
Technical Field
The embodiment of the utility model provides a relate to the lighting technology field, especially relate to a light path conduction subassembly and car light for car light.
Background
With the rapid development of automobile lamp technology, the research and development speed of automobile lamps is further accelerated by the mass automobile market consumers to new technology and beauty. This presents a higher level of challenge to vehicle lamp technology, and designers must design products to meet the relevant regulations and at the same time create lighting effects that are aesthetically very valuable.
In order to make the car light outward appearance be rich in the aesthetic feeling, adopt the figurative lamps and lanterns of discontinuous light emitting area to design into the molding trend that is prevailing, the light emitting area of lamps and lanterns is provided with black and white double-colored decorations circle, and wherein, black material cuts apart the light emitting area molding into a plurality of little play plain noodles, and to this kind of car light, current optical scheme mainly has two: one is to adopt a single light source, and does not consider the shielding of a black area on a light path, and in the scheme, due to the shielding of the black area on the light path, the luminous flux is generally lost by 10-50% according to the shielding area during the regulation simulation, and the utilization rate of the light source is low; the other method is to arrange a light source for each non-shielding area independently, so that the shielding of the black area on the light path is avoided, the scheme can well avoid the shielding of the black area on the light path, but the cost of the lamp is increased due to the addition of the light source, in addition, a single light source is often adopted for the light distribution of the bulb, and the scheme enables the difficulty of the light distribution to be higher.
SUMMERY OF THE UTILITY MODEL
The utility model provides a light path conduction subassembly and car light for car light to improve light source emergent ray's utilization ratio.
In a first aspect, an embodiment of the present invention provides an optical path conduction assembly for a vehicle lamp, including a light source, a reflector, a lens, and a decorative ring;
the reflector is positioned on a transmission path of emergent rays generated by the light source and used for reflecting the emergent rays to form reflected rays;
the lens is positioned on the propagation path of the reflected light, and comprises a light incident surface which comprises a plurality of sub light incident surfaces which are sequentially and adjacently arranged; each light incident sub-surface is used for refracting the reflected light to form deflected light;
the decoration ring comprises a plurality of light transmission areas and a plurality of non-light transmission areas, the light transmission areas and the non-light transmission areas are arranged at intervals in sequence, the light transmission areas correspond to the sub light incident surfaces one to one, and the light transmission areas are located on the propagation path of the deflection light.
Optionally, the reflecting surface of the reflector is an ellipsoid.
Optionally, the focal point of the mirror is located between the mirror and the lens.
Optionally, the lens is a crescent lens.
Optionally, each light incident sub-surface is a plane.
Optionally, the normals of any two light incident sub-surfaces intersect.
Optionally, a fish eye pattern is formed in the light-transmitting area of the decorative ring.
Optionally, the light source is a single light source, and the light source includes a bulb or a light emitting diode.
In a second aspect, the embodiment of the present invention further provides a car light, which includes the first aspect of the light path conducting assembly for any car light.
The embodiment of the utility model provides a technical scheme utilizes speculum and lens, and the emergent ray that sends the light source reflects and refracts for the whole outgoing of emergent ray that the light source sent is distinguished to the printing opacity of decorations circle, and in the light path conduction process, all emergent rays that the light source sent can not be sheltered from by the non-printing opacity district of decorations circle, thereby when satisfying car light molding intention, have improved the utilization ratio of the emergent ray of light source.
Drawings
Fig. 1 is a schematic structural diagram of a conventional light path conducting assembly for a vehicle lamp;
FIG. 2 is a schematic structural view of another conventional light path conducting assembly for a vehicle lamp;
fig. 3 is an exploded schematic view of a light path conducting assembly for a vehicle lamp according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a lens according to an embodiment of the present invention;
fig. 5 is a schematic light path diagram of a light path conducting component for a vehicle lamp according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic structural diagram of a conventional light path conducting assembly for a vehicle lamp. Referring to fig. 1, the light path conducting assembly includes a light source S1 and a bezel S2, wherein light emitted from the light source S1 is blocked by a black area on the bezel S2, which results in a large amount of light loss, and the light path conducting assembly has a low utilization rate of light emitted from the light source S1. Fig. 2 is a schematic structural view of another conventional light path conduction assembly for a vehicle lamp. Referring to fig. 2, the light source S3 is separately arranged for each non-shielding region on the bezel S2, so that shielding of the black region on the bezel S2 on the light path is avoided, the light path conducting component can well avoid shielding of the black region on the bezel S2 on the light path, but the increase of the light source S3 also increases the cost of the light path conducting component, and in addition, a single light source is often adopted for light distribution of the bulb, and the light path conducting component has high cost, great design difficulty and poor heat resistance.
Based on the technical problem, the embodiment of the utility model provides a light path conduction subassembly and car light for car light, including light source, speculum, lens and decorations circle. The speculum is located the propagation path of the emergent ray that the light source produced for reflection emergent ray forms reflection ray, lens are located reflection ray's propagation path, and lens are including going into the plain noodles, it includes a plurality of sub income plain noodles that adjacent set up in proper order to go into the plain noodles, every sub income plain noodles is used for forming the deflection ray after refracting to reflection ray, the decorations circle includes a plurality of printing opacity districts and a plurality of non-printing opacity district, printing opacity district and non-printing opacity district interval in proper order set up, and printing opacity district and sub income plain noodles one-to-one, the printing opacity district is located the propagation path of deflection ray.
Adopt above-mentioned technical scheme, utilize speculum and lens, the emergent ray that sends the light source reflects and refracts for the whole outgoing of emergent ray that the light source sent is distinguished to the printing opacity of decorations circle, and at the light path conduction in-process, all emergent rays that the light source sent can not be sheltered from by the non-printing opacity district of decorations circle, thereby when satisfying car light molding intention, have improved the utilization ratio of the emergent ray of light source.
Above is the core thought of the utility model, will combine the attached drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model clearly, describe completely. Based on the embodiments in the present invention, under the premise that creative work is not done by ordinary skilled in the art, all other embodiments obtained all belong to the protection scope of the present invention.
Fig. 3 is the embodiment of the present invention provides an explosion structure diagram of a light path conducting assembly for a car lamp, as shown in fig. 3, the embodiment of the present invention provides a light path conducting assembly for a car lamp, which includes a light source 11, a reflector 12, a lens 13 and a decorative ring 14. The reflector 12 is located on a propagation path of the outgoing light generated by the light source 11, and is used for reflecting the outgoing light to form a reflected light. Fig. 4 is a schematic diagram of a lens structure provided in the embodiment of the present invention, as shown in fig. 4, the lens 13 is located on the propagation path of the reflected light, and the lens 13 includes the light incident surface 131, the light incident surface 131 includes a plurality of sub light incident surfaces 21 which are adjacent to each other in sequence, and each sub light incident surface 21 is used for forming the deflection light after the reflected light is refracted. With reference to fig. 3, the decorative ring 14 includes a plurality of light-transmitting regions 141 and a plurality of non-light-transmitting regions 142, the light-transmitting regions 141 and the non-light-transmitting regions 142 are sequentially disposed at intervals, the light-transmitting regions 141 correspond to the light incident sub-surface 21 one by one, and the light-transmitting regions 141 are located on the propagation path of the deflected light.
Specifically, fig. 5 is the embodiment of the utility model provides a pair of light path schematic diagram of light path conduction module for car light, as shown in fig. 5, emergent ray that light source 11 sent transmits to lens 13 after reflector 12 reflects, sub-income plain noodles 21 on the income plain noodles 131 of lens 13 distributes the reflection ray from reflector 12, lens 13 deflects reflection ray and transmits away to the specified angle, and deflection ray transmits to every printing opacity district 141 of bezel 14 on, and the process is distinguished 141 outgoing by printing opacity. Wherein, the decoration ring 14 can be a black-white decoration ring, and also can be any other modeling decoration ring, the utility model discloses do not limit this.
The embodiment of the utility model provides a technical scheme utilizes speculum 12 and lens 13, reflects and refracts the emergent ray that light source 11 sent for the whole outgoing of emergent ray that light source 11 sent is to the light transmission zone 141 of decorations circle 14, and in the light path conduction process, all emergent rays that light source 11 sent can not sheltered from by the non-light transmission zone 142 of decorations circle 14, thereby when satisfying the car light molding intention, have improved the utilization ratio of the emergent ray of light source 11.
With continued reference to FIG. 3, the reflective surface 121 of the reflector 12 is optionally ellipsoidal.
Referring to fig. 5, the light source 11 is disposed inside the reflector 12, so that the reflector 12 is helpful to reflect the outgoing light rays emitted by the light source 11 in all directions to the direction of the light incident surface 131 of the lens 13, and the utilization rate of the outgoing light rays of the light source 11 is further improved. The reflector 12 is an ellipsoidal reflector, and compared with a common parabolic reflector, the ellipsoidal reflector can converge all the emergent rays emitted by the light source 11 onto the focal point 31, and the requirement on the position of the light source 11 is not high, so that the emergent rays of the light source 11 are transmitted to the light incident surface 131 of the lens 13 more easily.
With continued reference to fig. 5, optionally, the focal point 31 of the mirror 12 is located between the mirror 12 and the lens 13.
The focal point 31 of the reflector 12 is located between the reflector 12 and the lens 13, and the emergent light of the light source 11 can be just transmitted to the sub-light incident surfaces 21 of the lens 13 by simply adjusting the distance between the reflector 12 and the lens 13.
With continued reference to fig. 3-5, optionally, the lens 13 is a crescent shaped lens.
Wherein, lens 13 adopts crescent lens, can collect more reflection light that come from speculum 12, and crescent lens spherical aberration is less, helps distributing reflection light.
With continued reference to fig. 4, optionally, each light sub-incident surface 21 is a plane.
The light incident sub-surface 21 is a plane, so that the design and manufacture of the light incident surface 131 of the lens 13 are simpler.
Optionally, the normals of any two light incident sub-surfaces 21 intersect.
The light incident sub-surfaces 21 are optical surfaces forming a specific angle with a perpendicular line of the bezel 14, and a normal direction of each light incident sub-surface 21 is different, so that the emitted light of the light source 11 is distributed to the light transmissive regions 141 of the bezel 14, the number of the light incident sub-surfaces 21 and the normal direction of each light incident sub-surface 21 can be adjusted according to the number of the light transmissive regions 141 of the bezel 14 and the distance between the lens 13 and the bezel 14, for example, the number of the light incident sub-surfaces 21 is equal to the number of the light transmissive regions 141 of the bezel 14. It should be noted that the technical solution provided by the embodiment of the present invention is only a specific embodiment, the normals of the partial sub-light incident surface 21 may not intersect, and those skilled in the art can design the sub-light incident surface 21 according to actual requirements.
With reference to fig. 3 and fig. 5, optionally, the lens 13 further includes a light emitting surface 132, the light emitting surface 132 is disposed opposite to the light incident surface 131, and is located on the propagation path of the deflected light, and the light emitting surface is a spherical surface.
The light-emitting surface 132 is a spherical surface, and the light-emitting surface 132 is matched with the light-entering surface 131, so that the lens 13 deflects the reflected light from the reflector 12, and the deflected light is just emitted to the light-transmitting area 141 on the decorative ring 14.
With continued reference to fig. 3, optionally, the light-transmissive regions 141 of the bezel 14 are formed with a fish-eye pattern.
The light-transmitting area 141 of the decorative ring 14 includes an optical surface with a fish-eye pattern, and the optical surface with the fish-eye pattern can redistribute the deflected light rays in a manner of turning, collimating and diffusing the deflected light rays from the lens 13, so that the emergent light rays of the light-transmitting area 141 are transmitted to a specific required angle. It should be noted that, the light-transmitting area 141 of the bezel 14 may be formed with a pattern of any shape according to actual needs, and is not limited to the fish-eye pattern, and the embodiment of the present invention does not limit this.
With continued reference to fig. 3, optionally, the light source 11 is a single light source, and the light source 11 includes a light bulb or a light emitting diode.
Wherein, the embodiment of the utility model provides a light path conduction subassembly for car light adopts single light source for the cost of light path conduction subassembly for car light is lower, and also is easier to the grading of car light. The Light source 11 may be a bulb commonly used in a car Light, or may be a Light Emitting Diode (LED), which is more energy-saving and environment-friendly.
It should be noted that the lens 13 in fig. 3-5 is only an example, and the shape of the lens 13 is not limited to the crescent lens with a tangent plane in fig. 3-5, but may be any other shape as long as it can distribute the emergent light of the light source 11 to the transparent region 141 of the bezel 14.
The embodiment of the utility model provides a to having the figurative car light of discontinuous play plain noodles, a light path conduction subassembly for car light is provided, adopt the light-emitting form of ellipsoid speculum and crescent lens, the emergent ray that sends light source 11 reflects and refracts, make the whole outgoing of emergent ray that light source 11 sent to the light transmission district 141 of decorations circle 14, in light path conduction process, all emergent rays that light source 11 sent can not be sheltered from by the non-light transmission district 142 of decorations circle 14, thereby when satisfying car light molding intention, very big improvement the utilization ratio of emergent ray of light source 11.
Based on the same inventive concept, the embodiment of the present invention further provides a vehicle lamp, which includes the light path conducting assembly for the vehicle lamp provided by any of the above embodiments, and the explanation of the same or corresponding structure and terms as those of the above embodiments is not repeated herein.
The embodiment of the utility model provides a car light utilizes speculum 12 and lens 13, reflects and refracts the emergent ray that light source 11 sent for the whole outgoing of emergent ray that light source 11 sent is to the light transmission zone 141 of decorations circle 14, and in the light path conduction process, all emergent rays that light source 11 sent can not be sheltered from by the non-light transmission zone 142 of decorations circle 14, thereby when satisfying the car light molding intention, have improved the utilization ratio of the emergent ray of light source 11.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (9)
1. An optical path conduction assembly for a car lamp is characterized by comprising a light source, a reflector, a lens and a decorative ring;
the reflector is positioned on a transmission path of emergent rays generated by the light source and used for reflecting the emergent rays to form reflected rays;
the lens is positioned on the propagation path of the reflected light, and comprises a light incident surface which comprises a plurality of sub light incident surfaces which are sequentially and adjacently arranged; each light incident sub-surface is used for refracting the reflected light to form deflected light;
the decoration ring comprises a plurality of light transmission areas and a plurality of non-light transmission areas, the light transmission areas and the non-light transmission areas are arranged at intervals in sequence, the light transmission areas correspond to the sub light incident surfaces one to one, and the light transmission areas are located on the propagation path of the deflection light.
2. The light guide assembly according to claim 1, wherein the reflecting surface of the reflector is an ellipsoid.
3. The light guide assembly for a vehicular lamp according to claim 2, wherein a focal point of the reflector is located between the reflector and the lens.
4. The light guide assembly for a vehicular lamp according to claim 1, wherein the lens is a crescent lens.
5. The light path conducting assembly for the vehicle lamp according to claim 4, wherein each of the light incident sub-surfaces is a plane.
6. The light path conducting assembly for the vehicle lamp according to claim 5, wherein the normals of any two of the light sub-incident surfaces intersect.
7. The light guide member for a vehicular lamp according to claim 1, wherein the light-transmitting region of the bezel is formed with a fish-eye pattern.
8. The light path conducting assembly for vehicle lamp according to claim 1, wherein the light source is a single light source, and the light source comprises a bulb or a light emitting diode.
9. A vehicular lamp comprising the light path conducting assembly for vehicular lamp according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003933.7U CN210568144U (en) | 2019-11-19 | 2019-11-19 | Light path conduction assembly for car lamp and car lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003933.7U CN210568144U (en) | 2019-11-19 | 2019-11-19 | Light path conduction assembly for car lamp and car lamp |
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| CN210568144U true CN210568144U (en) | 2020-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715260A (en) * | 2019-11-19 | 2020-01-21 | 华域视觉科技(上海)有限公司 | Light path conduction assembly for car lamp and car lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715260A (en) * | 2019-11-19 | 2020-01-21 | 华域视觉科技(上海)有限公司 | Light path conduction assembly for car lamp and car lamp |
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