CN201803325U - A light pipe of vehicle signal lamp - Google Patents
A light pipe of vehicle signal lamp Download PDFInfo
- Publication number
- CN201803325U CN201803325U CN2010201338474U CN201020133847U CN201803325U CN 201803325 U CN201803325 U CN 201803325U CN 2010201338474 U CN2010201338474 U CN 2010201338474U CN 201020133847 U CN201020133847 U CN 201020133847U CN 201803325 U CN201803325 U CN 201803325U
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- photoconductive tube
- dentation
- signal lamp
- automobile
- used signal
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Abstract
A light pipe of a vehicle signal lamp comprises a light pipe, an LED light source component arranged at two ends of the light pipe, and consecutive teeth-form reflection configurations formed on one side inside the light pipe. The light pipe of the vehicle signal lamp proposes a novel light distribution scheme and lighting effect that an LED is adopted as a vehicle lamp of light source, and solves the problem that when the light pipe is used as an illuminating lamp, the luminance value is not high enough under the circumstance of large teeth-form inclined installation, and novel style/strap-shaped or face-shaped uniform and soft illumination effect can be achieved, so that the LED can not directly emit into the eyes of other drivers at the rear part of a vehicle as a point light source, and the circumstance of discomfort glare can be prevented, thereby ensuring driving safety.
Description
Technical field
The utility model relates to a kind of Vehicular lamp, and particularly, the utility model relates to a kind of automobile-used signal lamp photoconductive tube, and described automobile-used signal lamp utilizes the total reflection principle of light with photoconductive tube, uses led light source, can realize even optronics.
Background technology
LED more and more comes into one's own as a kind of low energy consumption long-life light source, and has widely applied the light source as various light fixtures.
In the car light field,,, as light rapidly the reaction time of car brakeing after increasing more because some optical characteristics of led light source itself because with LED be light fixture better appearance on the moulding outward appearance and the effect of lighting a lamp of light source; Luminous flux changes with electric current, and luminous intensity distribution is convenient; And, adapt to the vehicle a series of advantages such as environment of jolting as solid state light emitter, more common appears on the car light.
Yet existing is that the optical texture of the car light of light source is with traditional reflecting surface with LED, or the refraction of the optical patterns on the lens, or both combinations.The effect of lighting a lamp of such optical texture can't realize banded or planar even, soft illumination effect.And the led light source luminous intensity distribution is as the back during signal lamp, if use above-mentioned traditional luminous intensity distribution scheme, occur easily LED as spot light direct projection go in other drivers' of rear view of vehicle the eye, dazzling situation appears, may influence traffic safety.
The utility model content
The purpose of this utility model is in order to improve the problems referred to above, a kind of automobile-used signal lamp photoconductive tube to be provided.Described automobile-used signal lamp is problem with photoconductive tube with the fully-reflected type photoconductive tube, propose a kind of new be the luminous intensity distribution scheme of light source car light, the effect of lighting a lamp with LED.When having solved photoconductive tube simultaneously and using as lighting, the problem of luminance shortage obtains a kind of effect of lighting a lamp of innovating pattern under the situation of installing at big profile of tooth inclination angle.
In order to reach the requirement of above-mentioned problem, the technical solution of the utility model is as follows:
A kind of automobile-used signal lamp photoconductive tube is characterized in that, described automobile-used signal lamp comprises with photoconductive tube: photoconductive tube, be installed in the led light source assembly at photoconductive tube two ends, and a side forms continuous dentation catoptric arrangement in described photoconductive tube.
According to automobile-used signal lamp photoconductive tube of the present utility model, because used led light source, can utilize the total reflection principle of light to realize that the light of led light source outgoing all is coupled into and carry out luminous intensity distribution in the photoconductive tube, total reflection constantly takes place in the part that light contacts with air on tube wall, thereby carries out the transmission of light.And the light that in described photoconductive tube, transmits be formed at a side in the described photoconductive tube the dentation catoptric arrangement have a profile of tooth inclination angle, promptly the tooth at angle of inclination reflects photoconductive tube along reflecting surface, forms the brightness of illumination of signal lamp.
According to automobile-used signal lamp photoconductive tube of the present utility model, it is characterized in that, it (is that Merlon is commonly called as " bulletproof glass glue " that described photoconductive tube uses PC, crystalline plastic) or PMMA (be polymethacrylates, be lucite, be commonly called as " polymethyl methacrylate " (Acrylis), belong to the amorphism plastics) the solid injection mo(u)lding of material, thus, the transmission of light in described photoconductive tube that makes light source send can be carried out repeatedly the total reflection of light.
According to automobile-used signal lamp photoconductive tube of the present utility model, it is characterized in that be formed at the dentation catoptric arrangement of a side in the described photoconductive tube, its height and profile of tooth angle of inclination (profile of tooth inclination angle) gradually change respectively.
Thus,, can make the light that in described photoconductive tube, transmits reflect photoconductive tube, form the brightness of illumination of signal lamp on the tooth edge at the angle of inclination of the dentation catoptric arrangement that is formed at described photoconductive tube inboard according to automobile-used signal lamp photoconductive tube described in the utility model.
According to automobile-used signal lamp photoconductive tube of the present utility model, it is characterized in that, the dentation catoptric arrangement height of described photoconductive tube inboard is along with the installation curvature of described automobile-used signal lamp with photoconductive tube increases and increases, the dentation catoptric arrangement profile of tooth inclination angle of described photoconductive tube inboard increases with the installation curvature of photoconductive tube along with described automobile-used signal lamp and reduces, that is, the dentation gradient of the dentation catoptric arrangement of described photoconductive tube inboard is gradually by mild steepen.
Dentation catoptric arrangement profile of tooth inclination angle is along with the installation curvature increase of described automobile-used signal lamp with photoconductive tube reduces, be that the installation trend of photoconductive tube self (with the angle that is become between vehicle heading) is relevant in other words for curvature with photoconductive tube, be in order to guarantee that light that photoconductive tube sends is all the time along the vehicle heading outgoing, not changed by the curvature of photoconductive tube or and vehicle heading between the influence of variation of angle, guarantee vehicle heading luminous intensity distribution brightness requirement.
Thus, the dentation catoptric arrangement on the photoconductive tube is according to the setting angle of photoconductive tube and lighting angle gradually change dentation height and dentation profile of tooth inclination angle, make light once more with dentation catoptric arrangement generation total reflection, thereby reflect the brightness of illumination that photoconductive tube forms light fixture.Thus, guaranteed that the luminosity of whole photoconductive tube is even, soft.
According to automobile-used signal lamp photoconductive tube described in the utility model, it is characterized in that, along with the photoconductive tube two ends to central authorities, dentation catoptric arrangement height progressively from light to dark, dentation catoptric arrangement profile of tooth inclination angle is by big and little.
Promptly, the dentation catoptric arrangement height of described photoconductive tube inboard is along with the photoconductive tube two ends increase to central authorities, the dentation catoptric arrangement profile of tooth inclination angle of described photoconductive tube inboard is along with described automobile-used signal lamp reduces to central authorities with the photoconductive tube two ends, that is, the dentation gradient of the dentation catoptric arrangement of described photoconductive tube inboard is gradually by mild steepen.
This is because luminosity even, soft is one of emphasis of light guide lamp design, also is the characteristics and the advantage of light guide lamp.Yet the closer to led light source, the energy of light is also big more, and the brightness of photoconductive tube head also will inevitably be bright more.These are used for excessive curved surface by the end, be used on the one hand cutting out the dentation catoptric arrangement little, reduce the ability that light is reflected away of these dentation catoptric arrangements, the light that originally conducts in photoconductive tube also can continue to take place total reflection when running into these excessive curved surfaces on the other hand, and propagate backward, the light energy that the reservation LED of maximum possible sends is used for the dentation catoptric arrangement of back, make the output intensity in stage casing identical with the light intensity of end outgoing, being distributed on the photoconduction of the energy even of LED, guarantee whole photoconductive tube light the back uniformity.
Thus, guaranteed that the luminosity of whole photoconductive tube is even, soft.And the gradually changing of dentation catoptric arrangement profile of tooth inclination angle, make the setting angle of photoconductive tube and direction ratio that vehicle travels bigger the time, light also can be along the vehicle heading outgoing, to satisfy the requirement of rules to car light brightness.
According to automobile-used signal lamp photoconductive tube described in the utility model, it is characterized in that having the photoconductive tube outside of dentation catoptric arrangement to be fitted with the reflecting surface of aluminizing at photoconductive tube.
According to automobile-used signal lamp photoconductive tube described in the utility model, one reflecting surface of aluminizing is installed behind photoconductive tube, when light when running into the dentation catoptric arrangement, total reflection reasons such as () surface smoothness of product are not enough can not take place for some reason and when directly transmiting photoconductive tube, the reflecting surface 6 of aluminizing can be collected these light of " slipping through the net " and with they reflected light conduits, play the effect that improves whole photoconductive tube luminous efficiency, play the effect of blast.
According to automobile-used signal lamp photoconductive tube described in the utility model, it is characterized in that the part that LED is installed at the two ends of described photoconductive tube has a light source coupling slot that cooperates with LED, the centre of luminescence of LED is installed on the axle center of photoconductive tube.
Thus, install on the position of LED, have two light source coupling slots that mate with selected LED size are set, the LED centre of luminescence is fixed on the axle center of photoconductive tube accurately, guarantee that light is coupled in the photoconductive tube to greatest extent because of two ends at photoconductive tube.
According to automobile-used signal lamp photoconductive tube described in the utility model, it is characterized in that described light guide lamp element can use each type LED light sources of different colours.
Described automobile-used signal lamp of the present utility model is problem with photoconductive tube with the fully-reflected type photoconductive tube, propose a kind of new be the luminous intensity distribution scheme of light source car light, the effect of lighting a lamp with LED.When having solved photoconductive tube simultaneously and using as lighting, the problem of luminance shortage obtains a kind of effect of lighting a lamp of innovating pattern under the situation of installing at big profile of tooth inclination angle.The utility model can be realized banded or planar even, soft illumination effect.Can not make LED as spot light direct projection go in other drivers' of rear view of vehicle the eye, be unlikely to occur dazzling situation, thereby guarantee traffic safety.
Description of drawings
Fig. 1 is the cross-sectional view of automobile-used signal lamp of the present utility model with photoconductive tube.
Fig. 2 is the longitudinal section of automobile-used signal lamp of the present utility model with photoconductive tube.
Fig. 3 is Figure 1A portion enlarged drawing, shows the dentation catoptric arrangement of automobile-used signal lamp of the present utility model with a side highly gradient in the photoconductive tube.
Fig. 4 is Figure 1B portion enlarged drawing, shows the dentation catoptric arrangement that automobile-used signal lamp of the present utility model gradually changes with the profile of tooth inclination angle in the photoconductive tube.
Fig. 5 is Fig. 1 C portion enlarged drawing, shows the end construction of automobile-used signal lamp of the present utility model with location LED on the photoconductive tube and coupling light.
Fig. 6 is the parts of tooth enlarged drawing among Fig. 5.
Among the figure, 1 is led light source, and 2 is photoconductive tube end light source coupling slot, and the centre of luminescence alignment light conduit that is used for making LED is in the axle center of end, and 3 is photoconductive tube, and 4,5 are respectively the dentation catoptric arrangement, and 6 are the reflecting surface of aluminizing, and 7 is the photoconductive tube tube wall, and α is the profile of tooth inclination angle.
The specific embodiment
Below in conjunction with accompanying drawing, application examples of the present utility model is explained with embodiment:
Embodiment 1
Fig. 1 is an expression automobile-used signal lamp of the present utility model photoconductive tube photoconductive tube general structure.Main body one side of photoconductive tube 3 has been covered with the dentation catoptric arrangement that gradually changes 4,5 through the luminous intensity distribution design.Be installed on the LED1 of photoconductive tube two ends light source coupling slot 2, after the light that sends is coupled into photoconductive tube, with the main body tube wall 3 of photoconductive tube total reflection take place constantly, (promptly separately to the central authorities of photoconductive tube) propagate the same optical fiber of principle separately forward.
When in a single day light ran into the dentation catoptric arrangement 4,5 at the photoconductive tube back side, light also will be because of the dentation reflecting slant generation total reflection of dentation catoptric arrangement 4,5, and light will directly be reflected photoconductive tube, formed the brightness of illumination of light fixture.
Decorative pattern inclined plane by the dentation catoptric arrangement that designs (gradient) angle that must tilt, when light was reflected photoconductive tube, the direction of emergent ray was basic consistent with optical axis direction, makes and satisfies the brightness requirement of rules to lamp distribution.
When light when running into the dentation catoptric arrangement, total reflection reasons such as () surface smoothness of product are not enough can not take place for some reason and when directly transmiting photoconductive tube, the reflecting surface 6 of aluminizing can be collected these light of " slipping through the net " and with they reflected light conduits, play the effect that improves whole photoconductive tube luminous efficiency.
The angle of the travel direction of photoconductive tube overall installation trend and vehicle (optical axis direction) is smaller as shown in Figure 1, and it is bigger that promptly photoconductive tube is installed the profile of tooth inclination angle.
Fig. 2 has represented the longitudinal section schematic diagram that photoconductive tube is basic.
Fig. 3, the local enlarged diagram in Figure 1A zone.Can be clear that at Fig. 3, decorative pattern 4 from the photoconductive tube end to central sections in height is gradual change. be lower than the dentation decorative pattern height of photoconductive tube intermediate ends at the dentation decorative pattern height of nearly two ends of photoconductive tube, the dentation decorative pattern gradient at nearly two ends of photoconductive tube is mild in the dentation decorative pattern gradient of photoconductive tube intermediate ends. promptly, the dentation catoptric arrangement profile of tooth inclination alpha of nearly two ends of described photoconductive tube is along with described automobile-used signal lamp reduces that with the installation curvature increase of photoconductive tube large stretch of " blank " (excessive curved surface of gradual change is arranged between adjacent " tooth ", and originally complete tooth is cut out little with these curved surfaces), the decorative pattern of central sections then is complete, towering, middle without any the interval.
This is because luminosity even, soft is one of emphasis of light guide lamp design, also is the characteristics and the advantage of light guide lamp.Yet the closer to led light source, the energy of light is also big more, and the brightness of photoconductive tube head also will inevitably be bright more.These are used for excessive curved surface by the end, be used on the one hand cutting out the dentation catoptric arrangement little, reduce the ability that light is reflected away of these dentation catoptric arrangements, the light that originally conducts in photoconductive tube also can continue to take place total reflection when running into these excessive curved surfaces on the other hand, and propagate backward, the light energy that the reservation LED of maximum possible sends is used for the dentation catoptric arrangement of back, make the output intensity in stage casing identical with the light intensity of end outgoing, being distributed on the photoconduction of the energy even of LED, guarantee whole photoconductive tube light the back uniformity.
Fig. 5 is that amplify the part in Fig. 1 C zone, and 1 is led light source, and 2 are centre of luminescence alignment light conduit that the photoconductive tube end structurally is used for making LED in the axle center of end, improve the light utilization ratio of whole photoconductive tube.
Fig. 4 is that signal is amplified in the part in Figure 1B zone.From Fig. 4, can be clearly seen that the angle of dentation catoptric arrangement is along with curvature (profile of tooth inclination angle) variation gradually of photoconductive tube.
Particularly, in this example, the dentation catoptric arrangement height of described photoconductive tube inboard is along with the installation curvature of described automobile-used signal lamp with photoconductive tube increases and increases, the dentation catoptric arrangement profile of tooth inclination angle of described photoconductive tube inboard increases with the installation curvature of photoconductive tube along with described automobile-used signal lamp and reduces, that is, the dentation gradient of the dentation catoptric arrangement of described photoconductive tube inboard is gradually by mild steepen.
The installation profile of tooth inclination angle of photoconductive tube is bigger, variation by dentation catoptric arrangement angle, can guarantee that the light that is reflected by decorative pattern is not subjected to the influence of the photoconductive tube curvature (the profile of tooth inclination angle is installed) of constantly variation, the direction of emergent ray is basic consistent with optical axis, to satisfy the examination of rules to the concrete brightness requirement of Vehicular lamp.
Described automobile-used signal lamp of the present utility model is problem with photoconductive tube with the fully-reflected type photoconductive tube, propose a kind of new be the luminous intensity distribution scheme of light source car light, the effect of lighting a lamp with LED.When having solved photoconductive tube simultaneously and using as lighting, the problem of luminance shortage obtains a kind of effect of lighting a lamp of innovating pattern under the situation of installing at big profile of tooth inclination angle.The utility model can be realized banded or planar even, soft illumination effect.Can not make LED as spot light direct projection go in other drivers' of rear view of vehicle the eye, be unlikely to occur dazzling situation, thereby guarantee traffic safety.
Claims (8)
1. an automobile-used signal lamp photoconductive tube is characterized in that, described automobile-used signal lamp comprises with photoconductive tube: photoconductive tube, be installed in the led light source assembly at photoconductive tube two ends, and a side forms continuous dentation catoptric arrangement in described photoconductive tube.
2. automobile-used signal lamp photoconductive tube as claimed in claim 1 is characterized in that, described photoconductive tube uses PC, i.e. Merlon or PMMA, the i.e. solid injection mo(u)lding of polymethacrylates material.
3. automobile-used signal lamp photoconductive tube as claimed in claim 1 is characterized in that, is formed at the dentation catoptric arrangement of a side in the described photoconductive tube, and its height and profile of tooth inclination angle gradually change respectively.
4. automobile-used signal lamp photoconductive tube as claimed in claim 1, it is characterized in that, the dentation catoptric arrangement height of described photoconductive tube inboard is along with the installation curvature of described automobile-used signal lamp with photoconductive tube increases and increases, the dentation catoptric arrangement profile of tooth inclination alpha of described photoconductive tube inboard increases with the installation curvature of photoconductive tube along with described automobile-used signal lamp and reduces, that is, the dentation gradient of the dentation catoptric arrangement of described photoconductive tube inboard is gradually by mild steepen.
5. automobile-used signal lamp photoconductive tube as claimed in claim 1, it is characterized in that, along with the photoconductive tube two ends to central authorities, the dentation catoptric arrangement height of described photoconductive tube inboard progressively from light to dark, the dentation catoptric arrangement profile of tooth inclination alpha of described photoconductive tube inboard reduces gradually, that is, the dentation gradient of the dentation catoptric arrangement of described photoconductive tube inboard is gradually by mild steepen.
6. automobile-used signal lamp photoconductive tube as claimed in claim 1 is characterized in that, has the photoconductive tube outside of dentation catoptric arrangement to be fitted with the reflecting surface of aluminizing (6) at photoconductive tube.
7. automobile-used signal lamp photoconductive tube as claimed in claim 1 is characterized in that, the part that LED is installed at the two ends of described photoconductive tube has a light source coupling slot that cooperates with LED, and the centre of luminescence of LED is positioned on the axle center of photoconductive tube.
8. according to claims 1 described automobile-used signal lamp photoconductive tube, it is characterized in that described photoconductive tube can use each type LED light sources of different colours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201338474U CN201803325U (en) | 2010-03-18 | 2010-03-18 | A light pipe of vehicle signal lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201338474U CN201803325U (en) | 2010-03-18 | 2010-03-18 | A light pipe of vehicle signal lamp |
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| Publication Number | Publication Date |
|---|---|
| CN201803325U true CN201803325U (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201338474U Expired - Lifetime CN201803325U (en) | 2010-03-18 | 2010-03-18 | A light pipe of vehicle signal lamp |
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| CN (1) | CN201803325U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775884A (en) * | 2014-01-30 | 2014-05-07 | 上海战古电子科技有限公司 | LED (light emitting diode) adaptive lighting device with etched grooves |
| CN104964228A (en) * | 2015-07-22 | 2015-10-07 | 神龙汽车有限公司 | Novel LED light guide based on reverse light-emitting principle |
| CN106939990A (en) * | 2016-01-05 | 2017-07-11 | 欧司朗有限公司 | Light-emitting device for vehicle |
| CN108302495A (en) * | 2016-09-23 | 2018-07-20 | 株式会社小糸制作所 | Lamps apparatus for vehicle and the outer rear-view mirror device of car body |
| CN109058922A (en) * | 2018-09-06 | 2018-12-21 | 马瑞利汽车零部件(芜湖)有限公司 | Automobile dynamic signal light is led |
| CN109812771A (en) * | 2019-04-09 | 2019-05-28 | 华域视觉科技(上海)有限公司 | A kind of car light |
| CN110736074A (en) * | 2019-10-18 | 2020-01-31 | 马瑞利汽车零部件(芜湖)有限公司 | automobile signal lamp light guide device |
-
2010
- 2010-03-18 CN CN2010201338474U patent/CN201803325U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775884A (en) * | 2014-01-30 | 2014-05-07 | 上海战古电子科技有限公司 | LED (light emitting diode) adaptive lighting device with etched grooves |
| CN104964228A (en) * | 2015-07-22 | 2015-10-07 | 神龙汽车有限公司 | Novel LED light guide based on reverse light-emitting principle |
| CN104964228B (en) * | 2015-07-22 | 2017-11-10 | 神龙汽车有限公司 | A kind of LED-light guide based on reverse principle of luminosity |
| CN106939990A (en) * | 2016-01-05 | 2017-07-11 | 欧司朗有限公司 | Light-emitting device for vehicle |
| CN108302495A (en) * | 2016-09-23 | 2018-07-20 | 株式会社小糸制作所 | Lamps apparatus for vehicle and the outer rear-view mirror device of car body |
| CN109058922A (en) * | 2018-09-06 | 2018-12-21 | 马瑞利汽车零部件(芜湖)有限公司 | Automobile dynamic signal light is led |
| CN109812771A (en) * | 2019-04-09 | 2019-05-28 | 华域视觉科技(上海)有限公司 | A kind of car light |
| CN110736074A (en) * | 2019-10-18 | 2020-01-31 | 马瑞利汽车零部件(芜湖)有限公司 | automobile signal lamp light guide device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110420 |
|
| CX01 | Expiry of patent term |