CN203010496U - Vehicle light lens capable of producing uniform brightness - Google Patents
Vehicle light lens capable of producing uniform brightness Download PDFInfo
- Publication number
- CN203010496U CN203010496U CN2012206737821U CN201220673782U CN203010496U CN 203010496 U CN203010496 U CN 203010496U CN 2012206737821 U CN2012206737821 U CN 2012206737821U CN 201220673782 U CN201220673782 U CN 201220673782U CN 203010496 U CN203010496 U CN 203010496U
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- Prior art keywords
- light
- reflecting surface
- lens
- central shaft
- out part
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Abstract
A vehicle light lens capable of producing uniform brightness comprises a light inlet portion, a light outlet portion, and a light side guide portion. The light inlet portion is located at a first optical axis, the light inlet portion is provided with a light inlet surface, and the light inlet surface is provided with a plurality of a first arc surface sections which are adjacent. The light outlet portion is located on a second optical axis which is different from the first optical axis. The light side guide portion is connected between the light inlet portion and the light outlet portion and is provided with a first reflection surface and a second reflection surface, the first reflection surface and the second reflection surface are at intervals. Light from the light inlet portion is reflected by the first reflection surface to the second reflection surface, and the light is reflected by the second reflection surface to the light outlet portion. Due to the fact that the light inlet portion and the light outlet portion are arranged on different optical axes to form a staggered design and the light is bent to be guided out through the light side guide portion, the light source (for example light emitting diode) needs not to directly face right the light outlet portion, and the fact that the light source is observed when the vehicle light is used can be avoided.
Description
Technical field
The utility model relates to a kind of lens, particularly relates to a kind of lens of car light.
Background technology
Light emitting diode (LED) car light can utilize speculum that the LED light reflection is gone out in design, also can utilize lens that light focusing is penetrated, and perhaps speculum and lens can be used in conjunction with.But be no matter which kind of car light design, its LED is configured in the position corresponding to these lens or speculum central authorities usually, and directly over against exiting surface, and the phosphor powder color that causes LED can be observed and cause the visual flaw of car light.For example white light LEDs uses the gold-tinted phosphor powder usually, will see that the position that is provided with LED presents yellow when observing car light, and therefore known lens of car light structure remains to be improved.
Summary of the invention
The purpose of this utility model is to provide a kind of and the light bending can be derived, and can produce the lens of car light of uniform luminance.
The utility model can produce the lens of car light of uniform luminance, comprises at least one lens unit, and this lens unit comprises; A light in part that is positioned on a primary optic axis and has an incidence surface, this incidence surface have several the first adjacent cambered surface sections.This lens unit also comprises a light out part with this light in part interval, and side direction light section that is connected between this light in part and this light out part, this light out part is positioned on second optical axis that is different from this primary optic axis, this side direction light spaced first reflecting surface of section's tool and second reflecting surface, this first reflecting surface will be from this light in part incident and the light that comes towards this second reflecting surface reflection, this second reflecting surface will be from this first reflecting surface incident and the light that comes towards this light out part reflection.
The lens of car light that produces uniform luminance described in the utility model, this light in part also have one from this incidence surface periphery towards the groove face that extends in contrast to the direction of this light out part, and one from this groove face the reflecting surface that expand to extend of footpath gradually of the direction towards this light out part, this reflecting surface has several the second adjacent cambered surface sections.
The lens of car light that produces uniform luminance described in the utility model, comprise several lens units, described lens unit connects around a central shaft and is arranged in loop shaped, the primary optic axis of each lens unit and the second optical axis are parallel to this central shaft, and this second optical axis with respect to this primary optic axis away from this central shaft.
The lens of car light that produces uniform luminance described in the utility model, be connected between this light in part and this light out part to the oblique extension of side direction light section of each lens unit, and the first reflecting surface of this side direction light section is towards this central shaft, away from this central shaft, this first reflecting surface and this second reflecting surface are all towards this light out part and gradually away from the oblique extension of this central shaft by this light in part to this second reflecting surface with respect to this first reflecting surface.
The lens of car light that produces uniform luminance described in the utility model, comprise several lens units, described lens unit connects around a central shaft and is arranged in loop shaped, the primary optic axis of each lens unit and the second optical axis are parallel to this central shaft, and this second optical axis is with respect to contiguous this central shaft of this primary optic axis.
The lens of car light that produces uniform luminance described in the utility model, be connected between this light in part and this light out part to the oblique extension of side direction light section of each lens unit, and the second reflecting surface of this side direction light section is towards this central shaft, away from this central shaft, this first reflecting surface and this second reflecting surface are all towards this light out part and gradually towards the oblique extension of this central shaft by this light in part to this first reflecting surface with respect to this second reflecting surface.
The beneficial effects of the utility model are: this light out part and this light in part by this lens unit are arranged in and form the design of staggering on different optical axises, and utilize this side direction light section that the light bending is derived, make the light source (for example LED) needn't be directly over against this light out part, in the time of can avoiding car light to use, light source is observed directly, and can make vehicle lamp brightness even.
Description of drawings
Fig. 1 is the rear perspective view of one first preferred embodiment of the utility model lens of car light that can produce uniform luminance;
Fig. 2 is the enlarged drawing of the regional A of Fig. 1;
Fig. 3 is the rearview of this first preferred embodiment;
Fig. 4 is the cutaway view of getting along the 4-4 line of Fig. 3;
Fig. 5 is the cutaway view of getting along the 5-5 line of Fig. 3, illustrates simultaneously the light travel path in figure;
Fig. 6 is the front perspective view of this first preferred embodiment;
Fig. 7 is the cutaway view of one second preferred embodiment of the utility model lens of car light that can produce uniform luminance, and it analyses and observe the position that position class is similar to Fig. 4;
Fig. 8 is the cutaway view at another position of this second preferred embodiment, and it analyses and observe the position that position class is similar to Fig. 5.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated, is noted that in the following description content, similarly element represents with identical numbering.
Consult Fig. 1,2,3, the utility model can produce one first preferred embodiment of the lens of car light of uniform luminance, can supply several LED 5 (Fig. 5 illustrates one of them LED 5) to install, and comprise: several connect around a central shaft C lens unit 1 that is arranged in loop shaped.Need to prove, the lens of car light of the present embodiment is to be combined into by 10 docking of two mirror bodies that include separately several lens units 1, but is not limited to this when implementing, and this lens of car light also can be made into integration.
Consult Fig. 2,3,4,5, at first each lens unit 1 definition one is parallel to the primary optic axis L1 of this central shaft C, and second optical axis L 2 at an and interval parallel with this primary optic axis L1, this second optical axis L 2 of each lens unit 1 with respect to this primary optic axis L1 away from this central shaft C.Each lens unit 1 comprises that one is arranged on light in part 2, a compartment of terrain on this primary optic axis L1 and is positioned at these light in part 2 front sides and is arranged on light out part 3 on this second optical axis L 2, and a side direction light section 4 that is connected between this light in part 2 and this light out part 3.
This light in part 2 have backwards an incidence surface 21, from this incidence surface 21 peripheries towards the groove face 22 that extends in contrast to the direction (namely backwards) of this light out part 3, and one the direction towards this light out part 3 (namely forward) expands the reflecting surface 23 that extends in the footpath gradually from this groove face 22.
This incidence surface 21 haply from its periphery towards himself center and backward outstanding gradually, this incidence surface 21 has spotlight effect, light that LED 5 sends is concentrated toward this primary optic axis L1 after ejaculation forward again.This incidence surface 21 has the first cambered surface section 211 that several left and right are adjacent and be connected, and described the first cambered surface section 211 makes this incidence surface 21 form dentation decorative patterns surfaces, and the light of the LED 5 that helps to atomize reaches the uniform light effect, avoids producing the center bright spot.This groove face 22 defines opening mounting groove 20 backwards jointly with this incidence surface 21, and the described mounting groove 20 of described lens unit 1 is installed for described LED 5 respectively.This reflecting surface 23 has two echo areas 231 that the interval is relative, each echo area 231 comprises the second cambered surface section 232 that several left and right are adjacent and be connected, it is surperficial that described the second cambered surface section 232 makes this reflecting surface 23 form the dentation decorative pattern, but the angle that reduced side is launched forward to light, and light in dark space is promoted, and then bright, dark space brightness is approached.And between the adjacent lens unit 1 in twos of the present embodiment, its echo area 231 is connected.
Consult Fig. 4,5,6, the light out part 3 of each lens unit 1 is positioned at the front side of this light in part 2, and with respect to this light in part 2 away from this central shaft C, in other words, this light out part 3 is positioned at the radial outside of this lens of car light with respect to this light in part 2.This light out part 3 along this second optical axis L 2 and front and back to extension, and have one day forwards and in contrast to the exiting surface 31 of the incidence surface 21 of this light in part 2.The light out part 3 of described lens unit 1 is connected and around this central shaft C and ringwise, and the exiting surface 31 of the described light out part 3 common dentation decorative pattern surface of forming.
Be connected between this light in part 2 and this light out part 3 to the side direction light section 4 oblique extensions of each lens unit 1, this side direction light section 4 has first reflecting surface 41 towards this central shaft C, and one in contrast to this first reflecting surface 41 and with respect to second reflecting surface 42 of this first reflecting surface 41 away from this central shaft C.This first reflecting surface 41 is all towards this light out part 3 and gradually away from the oblique extension of this central shaft C by this light in part 2 with this second reflecting surface 42.The side direction light section 4 of described lens unit 1 is connected and around this central shaft C and ringwise.
When the utility model uses, the light of LED 5 in each lens unit 1 first enters from the incidence surface 21 of this light in part 2, the light-focusing function of this incidence surface 21 navigates in this light in part 2 after making light in the centralized again, and this time direction of advancing is roughly along the bearing of trend of this primary optic axis L1.and the utility model in design, by suitable angle of light and relevant surface design, when making most light arrive at the first reflecting surface 41 of this side direction light section 4, meet total reflection condition, light is subject to 41 reflections of this first reflecting surface and laterally advances towards the radial outside of this lens of car light, and towards these the second reflecting surface 42 incidents, the direct of travel of light is approximately perpendicular to the bearing of trend of central shaft C at this moment, and similarly, most light meets total reflection condition at the interface this second reflecting surface 42, therefore light is subject to these the second reflecting surface 42 reflections and enters this light out part 3, this moment, the light direction of advancing was roughly along the bearing of trend of this second optical axis L 2, last light is penetrated by the exiting surface 31 of this light out part 3, and integral body presents uniform luminosity, do not have the generation of local bright spot.
In sum, this light out part 3 by each lens unit 1 is arranged in from this light in part 2 and forms the design of staggering on different optical axises, and utilize this side direction light section 4 that the light bending is derived, make the LED 5 needn't be directly over against this light out part 3, certainly can be over against this exiting surface 31 yet, in the time of can avoiding car light to use, described LED 5 is observed directly, and especially avoids the phosphor powder of LED 5 to cause the visual flaw of car light.In addition, by this side direction light section 4, light travel path secondary is turned, thereby guide the light of this light in part 2 to enter this light out part 3.And so can increase distance between LED 5 setting positions and exiting surface 31, and increase simultaneously the travel path of light in lens of car light, to promote the irradiated area of emergent light, increase range of exposures.This kind utilizes another advantage of the design of this side direction light section 4 horizontal leaded lights to be: the front and back that do not need excessively to lengthen lens of car light just can increase irradiated area and avoid light source to be observed to length.
What remark additionally is, because being light in part 2 and light out part 3, main improvement spirit of the present utility model staggers, again by side direction light section 4 guiding light, therefore in fact also can be applied on the lens of car light that only has single lens unit 1, being not limited to the present embodiment has several lens units 1.
Consult Fig. 7,8, the utility model can produce one second preferred embodiment of the lens of car light of uniform luminance, roughly the same with the structure of this first preferred embodiment, different places are, the light out part 3 of each lens unit 1 of the present embodiment is positioned at the radially inner side of this lens of car light with respect to this light in part 2, contiguous this central shaft C of this light out part 3, so this second optical axis L 2 is with respect to contiguous this central shaft C of this primary optic axis L1.Each side direction light section 4 of the present embodiment has second reflecting surface 42 towards this central shaft C, and one in contrast to this second reflecting surface 42 and with respect to first reflecting surface 41 of this second reflecting surface 42 away from this central shaft C.The integral body of this side direction light section 4 comprises that this first reflecting surface 41 and the second reflecting surface 42 are all towards this light out part 3 and gradually towards the oblique extension of this central shaft C by this light in part 2.
The design that the present embodiment staggers by light in part 2 and light out part 3 equally reaches the effect identical with this first preferred embodiment, no longer illustrates at this.
Claims (6)
1. the lens of car light that can produce uniform luminance, comprise at least one lens unit, and this lens unit comprises, a light in part that is positioned on a primary optic axis and has an incidence surface, it is characterized in that: this incidence surface has several the first adjacent cambered surface sections, this lens unit also comprises a light out part with this light in part interval, and side direction light section that is connected between this light in part and this light out part, this light out part is positioned on second optical axis that is different from this primary optic axis, this side direction light spaced first reflecting surface of section's tool and second reflecting surface, this first reflecting surface will be from this light in part incident and the light that comes towards this second reflecting surface reflection, this second reflecting surface will be from this first reflecting surface incident and the light that comes towards this light out part reflection.
2. the lens of car light that produces uniform luminance as claimed in claim 1, it is characterized in that: this light in part also have one from this incidence surface periphery towards the groove face that extends in contrast to the direction of this light out part, and one from this groove face the reflecting surface that expand to extend of footpath gradually of the direction towards this light out part, this reflecting surface has several the second adjacent cambered surface sections.
3. the lens of car light that produces uniform luminance as claimed in claim 1 or 2, it is characterized in that: this lens of car light that can produce uniform luminance comprises several lens units, described lens unit connects around a central shaft and is arranged in loop shaped, the primary optic axis of each lens unit and the second optical axis are parallel to this central shaft, and this second optical axis with respect to this primary optic axis away from this central shaft.
4. the lens of car light that produces uniform luminance as claimed in claim 3, it is characterized in that: be connected between this light in part and this light out part to the oblique extension of side direction light section of each lens unit, and the first reflecting surface of this side direction light section is towards this central shaft, away from this central shaft, this first reflecting surface and this second reflecting surface are all towards this light out part and gradually away from the oblique extension of this central shaft by this light in part to this second reflecting surface with respect to this first reflecting surface.
5. the lens of car light that produces uniform luminance as claimed in claim 1 or 2, it is characterized in that: this lens of car light that can produce uniform luminance comprises several lens units, described lens unit connects around a central shaft and is arranged in loop shaped, the primary optic axis of each lens unit and the second optical axis are parallel to this central shaft, and this second optical axis is with respect to contiguous this central shaft of this primary optic axis.
6. the lens of car light that produces uniform luminance as claimed in claim 5, it is characterized in that: be connected between this light in part and this light out part to the oblique extension of side direction light section of each lens unit, and the second reflecting surface of this side direction light section is towards this central shaft, away from this central shaft, this first reflecting surface and this second reflecting surface are all towards this light out part and gradually towards the oblique extension of this central shaft by this light in part to this first reflecting surface with respect to this second reflecting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206737821U CN203010496U (en) | 2012-12-10 | 2012-12-10 | Vehicle light lens capable of producing uniform brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206737821U CN203010496U (en) | 2012-12-10 | 2012-12-10 | Vehicle light lens capable of producing uniform brightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203010496U true CN203010496U (en) | 2013-06-19 |
Family
ID=48602085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206737821U Expired - Fee Related CN203010496U (en) | 2012-12-10 | 2012-12-10 | Vehicle light lens capable of producing uniform brightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203010496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI745984B (en) * | 2020-05-27 | 2021-11-11 | 敏翔股份有限公司 | Car lights |
| WO2022105196A1 (en) * | 2020-11-19 | 2022-05-27 | 华域视觉科技(上海)有限公司 | Vehicle lamp optical system, vehicle lamp module, vehicle lamp, and vehicle |
-
2012
- 2012-12-10 CN CN2012206737821U patent/CN203010496U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI745984B (en) * | 2020-05-27 | 2021-11-11 | 敏翔股份有限公司 | Car lights |
| WO2022105196A1 (en) * | 2020-11-19 | 2022-05-27 | 华域视觉科技(上海)有限公司 | Vehicle lamp optical system, vehicle lamp module, vehicle lamp, and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20171210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |