CN109827146B - Lens unit and application thereof in multifunctional automobile lamp - Google Patents
Lens unit and application thereof in multifunctional automobile lamp Download PDFInfo
- Publication number
- CN109827146B CN109827146B CN201811517388.7A CN201811517388A CN109827146B CN 109827146 B CN109827146 B CN 109827146B CN 201811517388 A CN201811517388 A CN 201811517388A CN 109827146 B CN109827146 B CN 109827146B
- Authority
- CN
- China
- Prior art keywords
- light receiving
- light
- receiving area
- lens unit
- lens
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 230000005855 radiation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 3
- 241000252506 Characiformes Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 206010039740 Screaming Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a lens unit and application thereof to a multifunctional automobile lamp, wherein the lens unit comprises a light inlet surface and a light outlet surface; a light source is arranged on one side close to the light inlet surface; the light inlet surface is provided with a first light receiving area, a second light receiving area and a third light receiving area; the first light receiving area is formed by arranging a plurality of first light receiving convex strips which are protruded along the direction opposite to the light path direction in parallel; the second light receiving area is arranged on the first light receiving area, the second light receiving area is specifically formed by arranging a plurality of second light receiving convex strips protruding in the direction opposite to the light path direction in parallel, and the third light receiving area is arranged on the second light receiving area; light is emitted from the light source and is refracted, diffused and emitted through the first light receiving area, the second light receiving area and the third light receiving area. By the aid of the technical scheme, the lens unit can meet various different requirements of European and American standard lamps, and is simple in structure and large in light emitting angle.
Description
Technical Field
The invention relates to the field of automobile lamps, in particular to a lens unit and application thereof to a multifunctional automobile lamp.
Background
At present, the signal lamp adopting the traditional Fresnel structure lens on the market can only meet three functions of a rear position lamp, a brake lamp and a rear turn lamp of a American rule, but cannot meet the functions of the rear position lamp, the brake lamp and the rear turn lamp of an European rule, the European rule requires 80-degree large-angle light emission, and in addition, the signal lamp cannot meet the function of a reversing lamp in a sharing way, and a vertical stripe structure lens is generally designed to be used as the reversing lamp. And traditional fresnel structure lens is as shown in fig. 1-2, and the decorative pattern is complicated, has more closed angle processing requirement, mould cost is higher, and the luminous angle can't satisfy the demand.
Disclosure of Invention
The invention aims to provide a lens unit and application thereof to a multifunctional automobile lamp, and the lens unit can simultaneously meet various different requirements of an European and American standard lamp, and is simple in structure and large in light emitting angle.
In order to solve the technical problems, the invention provides a lens unit, which comprises a light inlet surface and a light outlet surface; a light source is arranged on one side close to the light inlet surface; the light inlet surface is provided with a first light receiving area, a second light receiving area and a third light receiving area; the first light receiving area is specifically formed by arranging a plurality of first light receiving convex strips which are protruded along the direction opposite to the light path direction in parallel; the second light receiving area is arranged on the first light receiving area, and is specifically formed by arranging a plurality of second light receiving convex strips protruding in the direction opposite to the light path direction in parallel, wherein the first light receiving convex strips and the second light receiving convex strips are mutually perpendicular; the third light receiving area is arranged on the second light receiving area; light is emitted from the light source and is refracted, diffused and emitted through the first light receiving area, the second light receiving area and the third light receiving area.
In a preferred embodiment, the light source is disposed opposite to the position where the third light receiving area is located.
In a preferred embodiment, the third light receiving area is disposed in the middle of the second light receiving area, and the second light receiving area is disposed in the middle of the first light receiving area.
In a preferred embodiment, the third light receiving area is a square light receiving area.
In a preferred embodiment, the third light receiving area is a square recess recessed along the direction of the light path.
In a preferred embodiment, the third light receiving area is specifically a direction convex portion protruding in a direction opposite to the light path direction.
In a preferred embodiment, a cross section of the first light receiving convex strip along a first direction is the same as a cross section of the second light receiving convex strip along a second direction, and the first direction and the second direction are perpendicular to each other.
The invention also provides a strip-shaped multifunctional automobile lamp, which adopts the lens unit; the LED lamp also comprises a strip mask, a light source, a circuit board and a base; the lens units are arranged on one surface of the lampshade, which faces the circuit board, along the length direction of the strip-shaped mask; the light sources are arranged along the length direction of the circuit board at positions corresponding to the positions of the lens units.
The invention also provides a rectangular multifunctional automobile lamp, which adopts the lens unit; the LED lamp also comprises a rectangular mask, a light source, a circuit board and a base; the lens units are arranged on two sides of the rectangular mask and are arranged on one surface of the rectangular mask facing the circuit board; the light source is arranged on the circuit board at the position corresponding to the position of the lens unit; and a radiation lens is arranged between the lens units on the rectangular mask.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
the invention provides a lens unit and application thereof to a multifunctional automobile lamp, and the LED automobile lamp adopting the structure can form cross diffusion-shaped light spots, and the light spots can easily meet various automobile lamp regulations with lower light source power consumption, including rear position lamps, brake lamps, rear steering lamps, reversing lamps, school bus warning lamps, day and night running lamps and the like of European and American regulations. Compared with the traditional Fresnel lens structure which is only easy to meet the requirements of vehicle lamp regulations such as rear position lamps, brake lamps, rear turn lamps and the like of the American rule, the lens unit provided by the invention has more compatible vehicle lamp functions, higher light-emitting rate, cross-shaped light spots are formed, the edge line positions of the cross-shaped light spots are +/-15 degrees and +/-80 degrees, the light intensity distribution in the range is free of dark areas, the light intensity requirements of various vehicle lamp functions are met, the designed integral lamp can be simultaneously suitable for being installed in two directions of 0 degrees and 90 degrees, the mask has a linear luminous effect when the integral lamp is lighted, and the appearance is updated and the indicating effect is better. The first light receiving convex strips and the second light receiving convex strips arranged on the lens unit have stronger light transmission effect and stray light generation effect, so that stronger and more excellent functional types and lighting effects than those of the traditional Fresnel structure lens can be achieved, and the thickness of the lens unit can be thinner than that of the traditional Fresnel structure lens.
Drawings
FIG. 1 is a schematic view showing the structure of a conventional Fresnel lens according to a preferred embodiment 1 of the present invention;
FIG. 2 is a schematic diagram showing the optical path transmission of a conventional Fresnel lens according to a preferred embodiment 1 of the present invention;
fig. 3 is a schematic perspective view of a lens unit having square recesses in the preferred embodiment 1 of the present invention;
fig. 4 is a plan view of a lens unit having square recesses in preferred embodiment 1 of the present invention;
FIG. 5 is a light path transmission sectional view along A-A direction of a lens unit having a square recess in preferred embodiment 1 of the present invention;
FIG. 6 is a schematic view showing a spot of a lens unit according to a preferred embodiment 1 of the present invention;
fig. 7 is a schematic perspective view of a lens unit having square protrusions in the preferred embodiment 1 of the present invention;
fig. 8 is a plan view of a lens unit having square convex portions in preferred embodiment 1 of the present invention;
fig. 9 is a light path transmission sectional view of a lens unit having square convex parts in a direction A-A in a preferred embodiment 1 of the present invention;
FIG. 10 is an exploded view showing the overall structure of a strip-shaped multifunctional automotive lamp according to a preferred embodiment 1 of the present invention;
FIG. 11 is a schematic view showing the position of a lens unit on a strip-shaped cover in a strip-shaped multifunctional automotive lamp according to a preferred embodiment 1 of the present invention;
FIG. 12 is an exploded view showing the overall structure of a square-shaped multifunctional automotive lamp according to a preferred embodiment 2 of the present invention;
FIG. 13 is a schematic view showing the position of a lens unit on a strip-shaped mask in a square-shaped multi-functional automotive lamp according to a preferred embodiment 2 of the present invention;
FIG. 14 is an exploded view showing the overall structure of a rectangular multi-functional automotive lamp according to a preferred embodiment 3 of the present invention;
fig. 15 is a schematic view showing the position of a lens unit on a strip-shaped cover in a rectangular multi-functional automotive lamp according to a preferred embodiment 3 of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and detailed description.
Example 1
Referring to fig. 10 to 11, a bar-shaped multifunctional automotive lamp employs a lens unit 200; the light source module further comprises a strip mask 301, a light source 400, a circuit board 500 and a base 600; the lens units 200 are arranged on one surface of the lampshade facing the circuit board 500 along the length direction of the strip mask 301; the light sources 400 are arranged along the length direction of the circuit board 500 at positions corresponding to the positions of the lens units 200.
Specifically, referring to fig. 3 to 5, the lens unit 200 includes a light incident surface and a light emergent surface; a light source 400 is arranged at one side close to the light inlet surface; the light inlet surface is provided with a first light receiving area 201, a second light receiving area 202 and a third light receiving area 203; the first light receiving area 201 is specifically formed by arranging a plurality of first light receiving convex strips protruding along a direction opposite to the light path direction in parallel with each other; the second light receiving area 202 is disposed on the first light receiving area 201, and the second light receiving area 202 is specifically formed by arranging a plurality of second light receiving convex strips protruding in a direction opposite to the light path direction in parallel, where the first light receiving convex strips and the second light receiving convex strips are mutually perpendicular; the third light receiving area 203 is disposed on the second light receiving area 202; light is emitted from the light source 400 and is refracted, diffused and emitted through the first light receiving area 201, the second light receiving area 202 and the third light receiving area 203. Specifically, the cross section of the first light receiving convex strip along the first direction is the same as the cross section of the second light receiving convex strip along the second direction, and the first direction and the second direction are mutually perpendicular.
The light spots formed by the lens unit 200 are in a cross diffusion shape, as shown in fig. 6, the edge line positions of the cross light spots are +/-15 degrees and +/-80 degrees, the light intensity distribution in the range is free of dark areas, the appearance is more fresh, the indication effect is better, the light intensity requirements of various car light functions are met, and the whole lamp can be designed to be suitable for being installed in two directions of 0 degrees and 90 degrees at the same time; the light spots of the traditional Fresnel structure are of completely symmetrical circular structures, dark areas are distributed in the rectangular ranges of 15 degrees above and below the light spots and 80 degrees left and right, only a single line braking function can be met, and 45-degree and 80-degree large-angle refraction light rays are difficult to emit. The simple design of the patterns of the lens unit 200 makes the invention complicated unlike the patterns of the traditional Fresnel structure lens 100, and has more screaming processing requirements, so that the production die has high cost; the lens unit 200 of the present invention has a simple structure, a simple processing procedure and a low processing cost.
The third light receiving area 203 is used as a main light receiving area, so the light source 400 is disposed opposite to the position where the third light receiving area 203 is located. The third light receiving area 203 is disposed in the middle of the second light receiving area 202, and the second light receiving area 202 is disposed in the middle of the first light receiving area 201.
Specifically, the third light receiving area 203 is specifically a square light receiving area. The third light receiving area 203 may be provided in a square recess recessed in the light path direction in a different time environment. Or the third light receiving area 203 is provided as a direction convex portion that is convex in a direction opposite to the optical path direction, as shown in fig. 7 to 9. The lens unit 200 provided by the invention is different from other lenses, the lens of the invention presents a diffusion effect pattern, the light path transmission diagram is shown in fig. 5, the lens unit is matched with a 30D piranha plug-in light source or a 30D patch light source or a 120D patch light source to form a small-angle diffusion light distribution effect, the third light receiving area 203 is a square structure as a main light receiving area, the first light receiving convex strip and the second light receiving convex strip have stronger light transmission effect and generate stray light effect, and compared with the traditional Fresnel structure lens, the lens unit provided by the invention is more suitable for the 30D piranha plug-in light source or the 30D patch light source or the 120D patch light source, the practicability is better, so that the lens unit can achieve more powerful and better functional types and lighting effects than the traditional Fresnel structure lens 100, and the thickness can be thinner than the traditional Fresnel structure.
In order to achieve better light emitting effect, in this embodiment, the four light sources 400 located in the middle of the strip mask 301 are set to be transparent or white, so that the lamp is used as a backup lamp, the light sources 400 on the other two sides are set to be red, so that the lamp is used as a running lamp, a brake lamp and a turn lamp, so as to achieve the automobile lamp with special use requirements, and the different colors and the different distribution of the light sources 400 can be changed according to specific use conditions.
Example 2
A square-shaped multifunctional automotive lamp, referring to fig. 12 to 13, is different from embodiment 1 in the arrangement position of the lens unit 200; specifically, the square multifunctional automobile lamp further comprises a square mask 302, a light source 400, a circuit board 500 and a base 600; the lens units 200 are disposed on two sides of the square mask 302, and are disposed on a surface of the square mask 302 facing the circuit board 500; the light source 400 is disposed on the circuit board 500 corresponding to the position of the lens unit 200; a reflecting lens 700 is further disposed between the lens units 200 on the square mask 302, and the reflecting lens 700 is specifically a cube-corner reflecting surface for realizing the function of a retro-reflector.
Example 3
Referring to fig. 14 to 15, a rectangular multifunction automotive lamp is different from embodiment 1 in the arrangement position of the lens unit 200; specifically, the rectangular multifunctional automobile lamp further comprises a rectangular mask 303, a light source 400, a circuit board 500 and a base 600; the lens units 200 are disposed on both sides of the rectangular mask 303, and are disposed on a surface of the rectangular mask 303 facing the circuit board 500; the light source 400 is disposed on the circuit board 500 corresponding to the position of the lens unit 200; a reflecting lens 700 is further disposed between the lens units 200 on the rectangular mask 303, and the reflecting lens 700 is specifically a cube-corner reflecting surface for realizing the function of a retro-reflector.
The invention provides a lens unit 200 and application thereof to a multifunctional automobile lamp, and an LED automobile lamp adopting the structure of the invention can form a cross diffusion-shaped light spot, and the light spot can easily meet various automobile lamp regulations with lower power consumption of a light source 400, including a rear position lamp, a brake lamp, a rear turn lamp, a reversing lamp, a school bus warning lamp, a day and night driving lamp and the like of European and American standards. Compared with the traditional Fresnel structure lens 100 structure which is only easy to meet the requirements of the regulations of the rear position lamp, brake lamp, rear steering lamp and other lamps, the lens unit 200 provided by the invention has more compatible functions of the vehicle lamp, higher light-emitting rate, cross-shaped light spots, and bright intensity distribution without dark areas in the range of +/-15 DEG and +/-80 DEG of the edge line positions of the cross-shaped light spots, meets the requirements of various vehicle lamp functions, and the designed whole lamp can be installed in two directions of 0 DEG and 90 DEG at the same time, and has linear luminous effect of the mask when the lamp is lighted, fresh and damp appearance and better indication effect. The first light receiving convex strip and the second light receiving convex strip arranged on the lens unit 200 have stronger light transmission effect and stray light generation effect, so that stronger and more excellent functional types and lighting effects than those of the conventional Fresnel structure lens 100 can be achieved, and the thickness can be thinner than that of the conventional Fresnel structure lens.
The foregoing is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art will be able to make insubstantial modifications of the present invention within the scope of the present invention disclosed herein by this concept, which falls within the actions of invading the protection scope of the present invention.
Claims (3)
1. A lens unit, characterized in that the lens unit comprises a light inlet surface and a light outlet surface; a light source is arranged on one side close to the light inlet surface; the light inlet surface is provided with a first light receiving area, a second light receiving area and a third light receiving area; the first light receiving area is specifically formed by arranging a plurality of first light receiving convex strips which are protruded along the direction opposite to the light path direction in parallel; the second light receiving area is arranged on the first light receiving area, and is specifically formed by arranging a plurality of second light receiving convex strips which are protruded along the direction opposite to the light path direction in parallel, and the first light receiving convex strips and the second light receiving convex strips are mutually perpendicular; the third light receiving area is arranged on the second light receiving area; light is emitted from the light source and is refracted, diffused and emitted through the first light receiving area, the second light receiving area and the third light receiving area;
the light source is arranged opposite to the position where the third light receiving area is located; the third light receiving area is arranged in the middle of the second light receiving area, and the second light receiving area is arranged in the middle of the first light receiving area; the third light receiving area is specifically a square light receiving area;
the third light receiving area is specifically a square concave part recessed along the light path direction or a direction convex part protruding along the direction opposite to the light path direction;
the cross section of the first light receiving raised line along the first direction is the same as the cross section of the second light receiving raised line along the second direction, and the first direction and the second direction are mutually perpendicular.
2. A strip-shaped multifunctional automotive lamp characterized by employing a lens unit according to claim 1; the LED lamp also comprises a strip mask, a light source, a circuit board and a base; the lens units are arranged on one surface of the strip-shaped mask, which faces the circuit board, along the length direction of the strip-shaped mask; the light sources are arranged along the length direction of the circuit board at positions corresponding to the positions of the lens units.
3. A rectangular multi-functional automotive lamp characterized in that a lens unit according to claim 1 is employed; the LED lamp also comprises a rectangular mask, a light source, a circuit board and a base; the lens units are arranged on two sides of the rectangular mask and are arranged on one surface of the rectangular mask facing the circuit board; the light source is arranged on the circuit board at the position corresponding to the position of the lens unit; and a radiation lens is arranged between the lens units on the rectangular mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517388.7A CN109827146B (en) | 2018-12-12 | 2018-12-12 | Lens unit and application thereof in multifunctional automobile lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517388.7A CN109827146B (en) | 2018-12-12 | 2018-12-12 | Lens unit and application thereof in multifunctional automobile lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109827146A CN109827146A (en) | 2019-05-31 |
| CN109827146B true CN109827146B (en) | 2023-12-12 |
Family
ID=66858765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811517388.7A Active CN109827146B (en) | 2018-12-12 | 2018-12-12 | Lens unit and application thereof in multifunctional automobile lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109827146B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2854227A1 (en) * | 2003-04-23 | 2004-10-29 | Koito Mfg Co Ltd | HEADLIGHT AND LAMP GIVING A LIGHT DISTRIBUTION DIAGRAM HAVING A HORIZONTAL CUT-OFF LINE |
| CN204611593U (en) * | 2015-05-09 | 2015-09-02 | 台州市欧博光电有限公司 | License plate lamp |
| WO2017191954A1 (en) * | 2016-05-04 | 2017-11-09 | 엘지이노텍 주식회사 | Lighting module and lighting device having same |
| CN207162434U (en) * | 2017-08-11 | 2018-03-30 | 成都恒坤光电科技有限公司 | A kind of lens, conjuncted lens and light fixture |
| CN209355162U (en) * | 2018-12-12 | 2019-09-06 | 厦门佰明光电股份有限公司 | Lens unit, bar shaped multifunctional steam car light and rectangle multifunctional steam car light |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6709651B2 (en) * | 2016-03-24 | 2020-06-17 | 株式会社小糸製作所 | Vehicle lamp, vehicle lamp control system, and vehicle equipped with these |
-
2018
- 2018-12-12 CN CN201811517388.7A patent/CN109827146B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2854227A1 (en) * | 2003-04-23 | 2004-10-29 | Koito Mfg Co Ltd | HEADLIGHT AND LAMP GIVING A LIGHT DISTRIBUTION DIAGRAM HAVING A HORIZONTAL CUT-OFF LINE |
| CN204611593U (en) * | 2015-05-09 | 2015-09-02 | 台州市欧博光电有限公司 | License plate lamp |
| WO2017191954A1 (en) * | 2016-05-04 | 2017-11-09 | 엘지이노텍 주식회사 | Lighting module and lighting device having same |
| CN207162434U (en) * | 2017-08-11 | 2018-03-30 | 成都恒坤光电科技有限公司 | A kind of lens, conjuncted lens and light fixture |
| CN209355162U (en) * | 2018-12-12 | 2019-09-06 | 厦门佰明光电股份有限公司 | Lens unit, bar shaped multifunctional steam car light and rectangle multifunctional steam car light |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109827146A (en) | 2019-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100438932B1 (en) | Vehicle lamp | |
| CN108291705B (en) | Lamp assembly and vehicle design element comprising such a lamp assembly | |
| EP3539825B1 (en) | Vehicle dual-functional lighting module and vehicle dual-functional lighting set | |
| US9851066B2 (en) | Reflector signal lamp having a hidden light source | |
| EP1010578A2 (en) | Automobile lamp | |
| US10006603B2 (en) | Light reflector arrangement | |
| JP2004103379A (en) | Marker lamp for vehicle | |
| US10060590B2 (en) | Light ring structure for vehicle lamp | |
| CA2690667A1 (en) | Automotive signal light employing multi-focal length light pipes | |
| US10422502B2 (en) | Motor vehicle lamp and motor vehicle | |
| CN109827146B (en) | Lens unit and application thereof in multifunctional automobile lamp | |
| US8596844B1 (en) | Vehicle light | |
| CN209355162U (en) | Lens unit, bar shaped multifunctional steam car light and rectangle multifunctional steam car light | |
| CN101670807A (en) | Lamp for vehicle license plate | |
| CN112268263B (en) | Dynamic luminous tail lamp of automobile | |
| CN109578935B (en) | Car lamp lens unit and application thereof | |
| CN109058911B (en) | Lamp light distribution structure, lamp with same and vehicle | |
| JP3187163U (en) | Vehicle lighting equipment | |
| CN209672230U (en) | A kind of optical system with bifocus collimating structure heavy wall light guide | |
| TWM535777U (en) | Work lamp | |
| CN108916810B (en) | Light reflector for an optical module of a vehicle lamp, vehicle lamp and motor vehicle | |
| JPH0736319U (en) | Lighting equipment | |
| TWM531022U (en) | Vehicle warning light | |
| CN223257997U (en) | Vehicle combination work lights | |
| TWI665405B (en) | Assembly device for lens of vehicle lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231113 Address after: 528000, 1st Floor, Building B, No. 2 Lianhe Avenue, Luocun, Shishan Town, Nanhai District, Foshan City, Guangdong Province Applicant after: Foshan Nanhai Jintong Lighting Appliance Co.,Ltd. Address before: Unit 301, No. 527 Gaolin Middle Road, Huli District, Xiamen City, Fujian Province, 361000 Applicant before: XIAMEN BYMEA LIGHTING Inc. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |