CN113586993A - Vehicle-mounted atmosphere lamp based on LED light source - Google Patents
Vehicle-mounted atmosphere lamp based on LED light source Download PDFInfo
- Publication number
- CN113586993A CN113586993A CN202110772464.4A CN202110772464A CN113586993A CN 113586993 A CN113586993 A CN 113586993A CN 202110772464 A CN202110772464 A CN 202110772464A CN 113586993 A CN113586993 A CN 113586993A
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- China
- Prior art keywords
- light source
- layer
- led light
- vehicle
- atmosphere lamp
- Prior art date
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- Pending
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- 239000010410 layer Substances 0.000 claims abstract description 45
- 239000013307 optical fiber Substances 0.000 claims abstract description 28
- 239000002245 particle Substances 0.000 claims abstract description 27
- 239000012792 core layer Substances 0.000 claims abstract description 19
- 239000011247 coating layer Substances 0.000 claims abstract description 6
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 239000004925 Acrylic resin Substances 0.000 claims description 8
- 229920000178 Acrylic resin Polymers 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 8
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 238000005253 cladding Methods 0.000 claims description 7
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 239000012798 spherical particle Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 8
- 238000010168 coupling process Methods 0.000 abstract description 8
- 238000005859 coupling reaction Methods 0.000 abstract description 8
- 239000013308 plastic optical fiber Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910021392 nanocarbon Inorganic materials 0.000 description 1
Images
Classifications
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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
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
- F21V2200/15—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type the light being emitted along at least a portion of the outer surface of the guide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2106/00—Interior vehicle lighting devices
Abstract
The invention discloses a vehicle-mounted atmosphere lamp based on an LED light source, which comprises a shell and a flexible optical fiber, wherein an LED light source emitter and a beam collimator are arranged in the shell, the beam collimator is provided with a light outlet, the flexible optical fiber is connected with the light outlet, the flexible optical fiber comprises a coating layer, a middle layer and a core layer, the coating layer is coated outside the middle layer, the middle layer is coated outside the core layer, and a plurality of scattering particles are uniformly arranged in the middle layer. The flexible optical fiber light source adopted by the invention has higher coupling efficiency, and the middle layer of the flexible optical fiber is doped with a large amount of scattering particles, so that the light ray refraction times are more, and the light ray can be transmitted in the flexible optical fiber for a longer distance.
Description
Technical Field
The invention relates to the technical field of automotive interior trim, in particular to a vehicle-mounted atmosphere lamp based on an LED light source.
Background
Currently, one of the mainstream technologies of an interior atmosphere lamp is LED light source matching with side emitting Polymer Optical Fiber (POF). Unlike conventional optical fibers, which primarily transmit light from an entrance end face to an exit end face of the optical fiber, side emitting Polymer Optical Fibers (POFs), which primarily transmit a portion of the light out of the outer layer of the optical fiber to provide side emission. The LED is used as a light source, light enters the POF, and the light energy transmitted from the outer layer of the POF changes an LED point light source into a linear light source. Polymer Optical Fibers (POFs) have the disadvantages of low coupling efficiency of light sources, non-uniform light sources, and inability to achieve long transmission distances.
To this end, we propose a vehicle-mounted atmosphere lamp based on an LED light source to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a vehicle-mounted atmosphere lamp based on an LED light source, and aims to improve the light source coupling efficiency and realize light conduction illumination with low cost, high efficiency and long distance.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a vehicle-mounted atmosphere lamp based on LED light source, its includes casing and flexible optic fibre, install LED light source transmitter, beam collimator in the casing, beam collimator has a light-emitting window, flexible optic fibre with the light-emitting window links to each other, flexible optic fibre includes coating, intermediate level and sandwich layer, the coating parcel is in the outside in intermediate level, the intermediate level parcel is in the outside of sandwich layer, evenly be equipped with a plurality of scattering particles in the intermediate level.
The coating layer is made of fluorocarbon resin, and the core layer is made of acrylic resin.
The intermediate layer has a refractive index higher than that of the core layer, and the clad layer has a refractive index higher than that of the core layer and lower than that of the intermediate layer.
The refractive index of the fluorocarbon resin adopted by the cladding layer is 1.48, and the refractive index of the acrylic resin adopted by the core layer 43 is 1.34.
The scattering particles are hydrophobic inorganic oxide particles, and the mass percentage of the inorganic oxide particles is 20-30% based on the total mass of the intermediate layer.
The scattering particles are spherical, and the spherical particle size is 1-3 mu m.
The scattering particles are ellipsoidal, the major axis of the ellipsoidal scattering particles is 2-3 μm, and the minor axis is 1-1.3 μm.
The flexible optical fiber is provided with a gradually narrowed insertion end, and the insertion end is provided with a semicircular bulge protruding outwards.
The inner wall of casing is equipped with the heat dissipation layer, the material on heat dissipation layer is stone mill heat dissipation membrane or nanometer carbon heat dissipation membrane.
Compared with the prior art, the invention has the beneficial effects that:
(1) the light source coupling efficiency is higher: the refractive index of fluorocarbon resin adopted by the coating layer of the flexible lamp fiber is 1.48, the refractive index of acrylic resin adopted by the core layer is 1.34, the light-emitting angle is relatively small, most light rays are concentrated within a 20-degree divergence angle, and the light source coupling efficiency can reach 90-98%.
(2) The uniform transmission distance of the light source is longer: a large number of scattering particles are doped in the middle layer of the flexible optical fiber, most of light rays can be transmitted for a distance and then are emitted out of the flexible optical fiber, the number of times of light ray refraction is more, and the light rays can be transmitted for a longer distance in the flexible optical fiber.
Drawings
FIG. 1 is a schematic structural diagram of a vehicle-mounted atmosphere lamp based on an LED light source according to the present invention;
FIG. 2 is a cross-sectional view of the flexible optical fiber of FIG. 1;
fig. 3 is a schematic diagram of a plug end structure of a flexible optical fiber.
In the figure: the LED light source comprises a shell 1, an LED light source emitter 2, a beam collimator 3, a flexible optical fiber 4, a cladding layer 41, a middle layer 42, a core layer 43, a heat dissipation layer 11, a light outlet 31, a plug end 44, a semicircular projection 441 and scattering particles 421.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 2, the invention is a vehicle-mounted atmosphere lamp based on an LED light source, which includes a housing 1 and a flexible optical fiber 4, wherein an LED light source emitter 2 and a beam collimator 3 are installed in the housing 1, the beam collimator 3 has a light outlet 31, the flexible optical fiber 4 is connected to the light outlet 31, the flexible optical fiber 4 includes a cladding layer 41, an intermediate layer 42 and a core layer 43, the cladding layer 41 is wrapped outside the intermediate layer 42, the intermediate layer 42 is wrapped outside the core layer 43, and a plurality of scattering particles 421 are uniformly arranged in the intermediate layer 42.
The cladding layer 41 is made of fluorocarbon resin, and the core layer 43 is made of acrylic resin. The refractive index of the intermediate layer 42 is higher than that of the core layer 43, and the refractive index of the clad layer 41 is higher than that of the core layer 43 and lower than that of the intermediate layer 42. The refractive index of the fluorocarbon resin adopted by the cladding layer 41 is 1.48, the refractive index of the acrylic resin adopted by the core layer 43 is 1.34, the light-emitting angle is relatively small, most light rays are concentrated within a 20-degree divergence angle, and the coupling efficiency can reach 90-98%.
The scattering particles are hydrophobic inorganic oxide particles, and the mass percentage of the inorganic oxide particles is 20-30% based on the total mass of the intermediate layer 42.
In the invention, the scattering particles are spherical, the spherical particle diameter is 1-3 μm, and a plurality of scattering particles 9 are uniformly distributed in the intermediate layer 42, so that the light refraction times are more, and the light transmission distance is longer. In other embodiments, the scattering particles are ellipsoidal, the ellipsoidal scattering particles have a major axis of 2-3 μm and a minor axis of 1-1.3 μm.
The flexible optical fiber 4 is provided with a tapered insertion end 44, and the insertion end 44 is provided with a semicircular protrusion 441 protruding outwards, so that the flexible optical fiber can be conveniently inserted into a gap and is not easy to fall off.
In this embodiment, the inner wall of the casing 1 is provided with a heat dissipation layer 11, and the heat dissipation layer 11 is made of a stone-milled heat dissipation film or a nano-carbon heat dissipation film.
In the present invention, the flexible optical fiber 4 is formed by an extrusion process, not injection molding, and only needs to be cut to a desired length without additional mold cost. The flexible optical fiber 4 can be bent, is free in design, can be attached to a curved surface, meets the three-dimensional design, and has more choices in matching with automotive interior.
Compared with the traditional technology, the flexible optical fiber adopted by the invention has the advantages that:
(1) the light source coupling efficiency is higher: the refractive index of fluorocarbon resin adopted by the coating layer of the flexible lamp fiber is 1.48, the refractive index of acrylic resin adopted by the core layer is 1.34, the light-emitting angle is relatively small, most light rays are concentrated within a 20-degree divergence angle, and the light source coupling efficiency can reach 90-98%.
(2) The uniform transmission distance of the light source is longer: a large number of scattering particles are doped in the middle layer of the flexible optical fiber, most of light rays can be transmitted for a distance and then are emitted out of the flexible optical fiber, the number of times of light ray refraction is more, and the light rays can be transmitted for a longer distance in the flexible optical fiber.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a vehicle-mounted atmosphere lamp based on LED light source which characterized in that: it includes casing (1) and flexible optic fibre (4), install LED light source transmitter (2), beam collimator (3) in casing (1), beam collimator (3) have a light-emitting window (31), flexible optic fibre (4) with light-emitting window (31) link to each other, flexible optic fibre (4) are including coating (41), intermediate level (42) and sandwich layer (43), coating (41) parcel is in the outside of intermediate level (42), intermediate level (42) parcel is in the outside of sandwich layer (43), evenly be equipped with a plurality of scattering particles (421) in intermediate level (42).
2. The vehicle-mounted atmosphere lamp based on the LED light source as claimed in claim 1, wherein: the coating layers (41) are made of fluorocarbon resin, and the core layer (43) is made of acrylic resin.
3. The vehicle-mounted atmosphere lamp based on the LED light source as claimed in claim 2, wherein: the refractive index of the intermediate layer (42) is higher than that of the core layer (43), and the refractive index of the clad layer (41) is higher than that of the core layer (43) and lower than that of the intermediate layer (42).
4. The vehicle-mounted atmosphere lamp based on the LED light source as claimed in claim 3, wherein: the refractive index of the fluorocarbon resin adopted by the cladding layer (41) is 1.48, and the refractive index of the acrylic resin adopted by the core layer (43) is 1.34.
5. The vehicle-mounted atmosphere lamp based on the LED light source as claimed in claim 1, wherein: the scattering particles are hydrophobic inorganic oxide particles, and the mass percentage of the inorganic oxide particles is 20-30% based on the total mass of the intermediate layer (42).
6. The vehicle-mounted atmosphere lamp based on the LED light source as claimed in claim 5, wherein: the scattering particles (421) are spherical, and the spherical particle size is 1-3 mu m.
7. The vehicle-mounted atmosphere lamp based on the LED light source as claimed in claim 5, wherein: the scattering particles (421) are ellipsoidal, the major axis of the ellipsoidal scattering particles is 2-3 μm, and the minor axis is 1-1.3 μm.
8. The vehicle-mounted atmosphere lamp based on the LED light source as claimed in claim 1, wherein: the flexible optical fiber (4) is provided with a gradually narrowed insertion end (44), and a semicircular bulge (441) protruding outwards is arranged on the insertion end (44).
9. The vehicle-mounted atmosphere lamp based on the LED light source as claimed in claim 1, wherein: the inner wall of casing (1) is equipped with heat dissipation layer (11), the material of heat dissipation layer (11) is the stone mill heat dissipation membrane or nanometer carbon heat dissipation membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110772464.4A CN113586993A (en) | 2021-07-08 | 2021-07-08 | Vehicle-mounted atmosphere lamp based on LED light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110772464.4A CN113586993A (en) | 2021-07-08 | 2021-07-08 | Vehicle-mounted atmosphere lamp based on LED light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113586993A true CN113586993A (en) | 2021-11-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110772464.4A Pending CN113586993A (en) | 2021-07-08 | 2021-07-08 | Vehicle-mounted atmosphere lamp based on LED light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113586993A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659064A (en) * | 2022-04-11 | 2022-06-24 | 深圳市迅灵电子科技有限公司 | Intelligent vehicle-mounted ceiling lamp based on 5G Internet of vehicles |
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|---|---|---|---|---|
| CN204513201U (en) * | 2015-03-30 | 2015-07-29 | 滕州市承阳光电子科技有限公司 | Explosion-proof Special transportation compartment inner fiber illuminating lamp |
| CN104948956A (en) * | 2015-06-23 | 2015-09-30 | 南京邮电大学 | Multicomponent glass up-conversion white light optical fiber lighting device |
| CN105650550A (en) * | 2016-03-30 | 2016-06-08 | 公安部第研究所 | Indoor optical fiber coupling LED auxiliary illumination system and manufacturing method thereof |
| CN205424741U (en) * | 2016-03-21 | 2016-08-03 | 王亚华 | Automobile atmosphere lamp |
| CN107667249A (en) * | 2015-05-04 | 2018-02-06 | 康宁股份有限公司 | Optical fibre illumination device and method |
| CN108626673A (en) * | 2018-02-08 | 2018-10-09 | 常州星宇车灯股份有限公司 | A kind of interior atmosphere lamp using RGB laser light sources |
| CN111061006A (en) * | 2020-01-04 | 2020-04-24 | 深圳市圣诺光电科技有限公司 | Polymer sidelight optical fiber and preparation device thereof |
-
2021
- 2021-07-08 CN CN202110772464.4A patent/CN113586993A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204513201U (en) * | 2015-03-30 | 2015-07-29 | 滕州市承阳光电子科技有限公司 | Explosion-proof Special transportation compartment inner fiber illuminating lamp |
| CN107667249A (en) * | 2015-05-04 | 2018-02-06 | 康宁股份有限公司 | Optical fibre illumination device and method |
| CN104948956A (en) * | 2015-06-23 | 2015-09-30 | 南京邮电大学 | Multicomponent glass up-conversion white light optical fiber lighting device |
| CN205424741U (en) * | 2016-03-21 | 2016-08-03 | 王亚华 | Automobile atmosphere lamp |
| CN105650550A (en) * | 2016-03-30 | 2016-06-08 | 公安部第研究所 | Indoor optical fiber coupling LED auxiliary illumination system and manufacturing method thereof |
| CN108626673A (en) * | 2018-02-08 | 2018-10-09 | 常州星宇车灯股份有限公司 | A kind of interior atmosphere lamp using RGB laser light sources |
| CN111061006A (en) * | 2020-01-04 | 2020-04-24 | 深圳市圣诺光电科技有限公司 | Polymer sidelight optical fiber and preparation device thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659064A (en) * | 2022-04-11 | 2022-06-24 | 深圳市迅灵电子科技有限公司 | Intelligent vehicle-mounted ceiling lamp based on 5G Internet of vehicles |
| CN114659064B (en) * | 2022-04-11 | 2024-05-03 | 山东元亨迅灵电子科技有限公司 | Intelligent vehicle-mounted ceiling lamp based on 5G Internet of vehicles |
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Application publication date: 20211102 |