CN203980080U - A kind of high light efficiency modularization lens type automobile AFS headlamp lighting structure - Google Patents
A kind of high light efficiency modularization lens type automobile AFS headlamp lighting structure Download PDFInfo
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- CN203980080U CN203980080U CN201420390956.2U CN201420390956U CN203980080U CN 203980080 U CN203980080 U CN 203980080U CN 201420390956 U CN201420390956 U CN 201420390956U CN 203980080 U CN203980080 U CN 203980080U
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Abstract
The utility model discloses a kind of high light efficiency modularization lens type automobile AFS headlamp lighting structure, comprise headlamp support and be successively set on from left to right on headlamp support for realize the cut-off linear light pattern group of the basic dipped beam light type with "cut-off"line, for realize Integral rectangular illumination widen light pattern group, for realize vehicle right front floodlighting add high light pattern group, for realizing the Sign Board illumination light pattern group of illumination of front vehicles top Sign Board.Each smooth pattern group of the present utility model can be controlled separately, and all reduce light type baffle plate, the size that has reduced light type lens ensures the higher light type uniformity simultaneously, automobile lighting system device volume is reduced, save space, the efficiency of light energy utilization is higher, can under higher-energy utilization rate, smaller size smaller, lower cost, realize the mutual conversion between smooth types at different levels simultaneously.
Description
Technical field
The utility model relates to a kind of high light efficiency modularization lens type automobile AFS headlamp lighting structure, belongs to automotive lighting technical field.
Background technology
Automobile AFS head lamp system is taking ECE R123 regulation as basis, under different road speed limits, road surface, pedestrian density, weather condition, need to adjust self light-configuration mode according to the change of surrounding enviroment, realize the system of different light illumination modes (C level, V level, E level, W level).Traditional AFS system adopts mechanical adjustment mode, realizes self adaptation illumination by power control, but because precision, the wear problem of mechanic adjustment unit easily cause the unstable of luminous intensity distribution.Existing AFS illuminator also has for system luminous intensity distribution carries out region division, use different lens projection modules to realize the luminous intensity distribution of zones of different, these structures need to be carried out light energy and redistribute by being furnished with decorative pattern on optical lens, light type baffle plate is realized "cut-off"line, all ubiquity light fixture is bulky, be unfavorable for LED heat radiation, the light type uniformity is not high, the phenomenon that the efficiency of light energy utilization is not high.
Utility model content
The purpose of this utility model is for above-mentioned phenomenon, the utility model provides a kind of high light efficiency modularization lens type automobile AFS headlamp lighting structure, this device not only makes the existing structural volume that is used to form the different light illumination modes of automobile AFS headlamp reduce, solve heat radiation problem of poor, and make the AFS light type uniformity higher, improve the efficiency of light energy utilization.
The utility model solves the technical scheme that its technical problem adopts:
A kind of high light efficiency modularization lens type automobile AFS headlamp lighting structure, comprise headlamp support and be successively set on from left to right cut-off linear light pattern group on headlamp support, widen light pattern group, add high light pattern group, Sign Board illumination light pattern group,
Described cut-off linear light pattern group comprises sidelight lens, the first support, lens holder, lens cover plate, semi-surrounding reflector, radiator, LED, described LED is arranged on the sphere centre place of the hemisphere face inner surface of sidelight lens rear end, LED bottom is connected with radiator, described semi-surrounding reflector and radiator are fixed on the first support, described sidelight lens front end is provided with two adjacent free form surface outer surfaces projectedly, described lens holder is fixed on the first support, described sidelight lens rear end scioptics cover plate is fixed on lens holder, the angle of two adjacent free form surface outer surface boundary lines is 165 °,
The described light pattern group of widening comprises and widens light type lens, the second support, lens holder, lens cover plate, radiator, LED, described radiator is fixedly connected with the second support, described LED is arranged on the installed surface centre of the second support and is positioned at the symmetrical rotary axle place of widening light type lens, LED bottom is connected with radiator, the described light type lens scioptics cover plate of widening is fixed on lens holder, described lens holder is fixed on the second support installed surface surrounding, the described light type lens of widening comprise that frustum of a cone portion and interior lowland are arranged on the first free form surface portion of the large end of frustum of a cone portion, described frustum of a cone portion pivot is provided with cylindrical cavity, the right-hand member of described cylindrical cavity is provided with the collimation curve part of indent, the conical surface inner side of described frustum of a cone portion is provided with the lens total internal reflection surface for reflection ray, described LED is positioned at cylindrical cavity opening part and distance collimation curve part is 12mm, described the first free form surface portion comprises first surface portion, the second curved face part, the 3rd curved face part, the 4th curved face part, described first surface portion and the 4th curved face part are symmetrical arranged, the second curved face part and the 3rd curved face part are symmetrical arranged, described the second curved face part and first surface portion and the 4th curved face part intersection, the 3rd curved face part and first surface portion and the 4th curved face part intersection are provided with along the end difference that in free form surface portion, mind-set brim height increases progressively, the installed surface of described the second support turns forward 2 °,
The described high light pattern group that adds comprises and adds high light type lens, the 3rd support, lens holder, lens cover plate, radiator, LED, described radiator is fixedly connected with the 3rd support, described LED is arranged on the installed surface centre of the 3rd support and is positioned at the symmetrical rotary axle place that adds high light type lens, LED bottom is connected with radiator, the described high light type lens scioptics cover plate that adds is fixed on lens holder, described lens holder is fixed on the 3rd support installed surface surrounding, the described high light type lens that add comprise that frustum of a cone portion and interior lowland are arranged on the second free form surface portion of the large end of frustum of a cone portion, described frustum of a cone portion pivot is provided with cylindrical cavity, the right-hand member of described cylindrical cavity is provided with the collimation curve part of indent, the conical surface inner side of described frustum of a cone portion is provided with the lens total internal reflection surface for reflection ray, described LED is positioned at cylindrical cavity opening part and distance collimation curve part is 12mm, the installed surface of described the 3rd support turns forward 1 °,
Described Sign Board illumination light pattern group comprises Sign Board illuminating lens, the 4th support, lens holder, lens cover plate, radiator, LED, described radiator is fixedly connected with the 4th support, described LED is arranged on the installed surface centre of the 4th support and is positioned at the symmetrical rotary axle place of Sign Board illuminating lens, LED bottom is connected with radiator, described Sign Board illuminating lens scioptics cover plate is fixed on lens holder, described lens holder is fixed on the 4th support installed surface surrounding, described Sign Board illuminating lens comprises that frustum of a cone portion and interior lowland are arranged on the 3rd free form surface portion of the large end of frustum of a cone portion, described frustum of a cone portion pivot is provided with cylindrical cavity, the right-hand member of described cylindrical cavity is provided with the collimation curve part of indent, the conical surface inner side of described frustum of a cone portion is provided with the lens total internal reflection surface for reflection ray, described LED is positioned at cylindrical cavity opening part and distance collimation curve part is 12mm, the installed surface of described the 4th support recedes 4 °.
Described cut-off linear light pattern group, widen light pattern group, add high light pattern group, Sign Board illumination light pattern group is the optical system taking LED as light source, be arranged in order from left to right, described cut-off linear light pattern group is a kind of direct projection type vehicle LED dipped headlight structure, for realizing the basic dipped beam light type with "cut-off"line, the described light pattern group of widening is a kind of simple lens formula light structures that utilizes nonimaging optics and the research of sphere alternative manner, for realizing the Integral rectangular illumination of "cut-off"line below to line segment 20 upper sections, the described high light pattern group that adds is a kind of simple lens formula light structures that utilizes nonimaging optics and the research of sphere alternative manner, be used for realizing vehicle right front floodlighting, described Sign Board illumination light pattern group is a kind of simple lens formula light structures that utilizes nonimaging optics and the research of sphere alternative manner, for realizing the illumination of front vehicles top Sign Board, by the light on and off of each pack module, power is adjusted, after being superposeed, light type reaches the at different levels smooth type of laws and regulations requirement, and in higher-energy utilization rate, smaller size smaller, under lower cost, realize the mutual conversion between smooth types at different levels, wherein V level light type is by ending linear light type, widen light type and Sign Board illumination light type has superposeed, the mode that improves LED brightness of illumination by increasing power in V level light type realizes C level light type, the light type of widening of different capacity of superposeing in C level light type realizes various E level highway light types, in E level light type, reduce line segment 20 and line segment 10 and the illuminance with bottom, and add high light type, and widen the power of light type, can realize W level light type.
The utility model advantage is:
1, each smooth pattern group can be controlled separately, and has all reduced light type baffle plate, and the size that has reduced light type lens ensures the higher light type uniformity simultaneously, and automobile lighting system device volume is reduced, and saves space, and the efficiency of light energy utilization is higher.
2, can under higher-energy utilization rate, smaller size smaller, lower cost, realize the mutual conversion between smooth types at different levels.
Brief description of the drawings
Fig. 1 is that the master of the utility model embodiment looks schematic diagram.
Fig. 2 is the schematic top plan view of the utility model embodiment.
Fig. 3 is the schematic perspective view of the utility model embodiment.
Fig. 4 is the cut-off linear light pattern group structural representation of the utility model embodiment.
Fig. 5 is the radiator of cut-off linear light pattern group and the assembly structure schematic diagram of the first support.
Fig. 6 be the utility model embodiment widen light pattern group structural representation.
Fig. 7 be the utility model embodiment widen light type lens cross-sectional schematic.
Fig. 8 be the utility model embodiment widen light type lens schematic perspective view.
Fig. 9 widens the radiator of light pattern group and the assembly structure schematic diagram of the second support.
Figure 10 be the utility model embodiment add high light pattern group structural scheme of mechanism.
Figure 11 adds the radiator of high light pattern group and the assembly structure schematic diagram of the 3rd support.
Figure 12 is the Sign Board illumination light pattern group structural scheme of mechanism of the utility model embodiment.
Figure 13 is radiator and the 4th support assembly structure schematic diagram of Sign Board illumination light pattern group.
Figure 14 is that the light source of the utility model embodiment is at the optical track figure widening in light type lens.
Figure 15 is the light distribution figure of each smooth pattern group on photometric screen in embodiment.
1-cut-off linear light pattern group in figure, 11-sidelight lens, 12-semi-surrounding reflector, 13-the first support, 2-widens light pattern group, 21-widens light type lens, 22-the second support, 3-adds high light pattern group, 31-adds high light type lens, 32-the 3rd support, 4-Sign Board illumination light pattern group, 41-Sign Board illuminating lens, 42-the 4th support, 5-headlamp support, 6-radiator, 7-lens holder, 8-lens cover plate, 9-LED, 101-is by linear light type, 102-widens light type, 103-adds high light type, 104-Sign Board illumination light type, 210-lens total internal reflection surface, 211-collimates curve part, 212-cavity leg, 213-frustum of a cone portion, 214-first surface portion, 215-the second curved face part, 216-the 3rd curved face part, 217-the 4th curved face part.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, utility model object of the present utility model is described in further detail, embodiment can not repeat one by one at this, but therefore embodiment of the present utility model is not defined in following examples.
As shown in Figure 1 to Figure 3, a kind of high light efficiency modularization lens type automobile AFS headlamp lighting structure, comprise headlamp support 5 and be successively set on from left to right cut-off linear light pattern group 1 on headlamp support 5, widen light pattern group 2, add high light pattern group 3, Sign Board illumination light pattern group 4
As shown in Fig. 4 to Fig. 5, described cut-off linear light pattern group 1 comprises sidelight lens 11, the first support 13, lens holder 7, lens cover plate 8, semi-surrounding reflector 12, radiator 6, LED9, described LED9 is arranged on the sphere centre place of the hemisphere face inner surface of sidelight lens 11 rear ends, LED9 bottom is connected with radiator 6, described semi-surrounding reflector 12 and radiator 6 are fixed on the first support 13, described sidelight lens 11 front ends are provided with two adjacent free form surface outer surfaces projectedly, described lens holder 7 is fixed on the first support 13, described sidelight lens 11 rear end scioptics cover plates 8 are fixed on lens holder 7, the angle of two adjacent free form surface outer surface boundary lines is 165 °,
As shown in Figures 6 to 9, the described light pattern group 2 of widening comprises and widens light type lens 21, the second support 22, lens holder 7, lens cover plate 8, radiator 6, LED9, described radiator 6 is fixedly connected with the second support 22, described LED9 is arranged on the installed surface centre of the second support 22 and is positioned at the symmetrical rotary axle place of widening light type lens 21, LED9 bottom is connected with radiator 6, the described light type lens 21 scioptics cover plates 8 of widening are fixed on lens holder 7, described lens holder 7 is fixed on the second support 22 installed surface surroundings, the described light type lens 21 of widening comprise that frustum of a cone portion 213 and interior lowland are arranged on the first free form surface portion of frustum of a cone portion 213 large ends, described frustum of a cone portion 213 pivots are provided with cylindrical cavity, the right-hand member of described cylindrical cavity is provided with the collimation curve part 211 of indent, the conical surface inner side of described frustum of a cone portion 213 is provided with the lens total internal reflection surface 210 for reflection ray, described LED9 is positioned at cylindrical cavity opening part and distance collimation curve part is 12mm, described the first free form surface portion comprises first surface portion 214, the second curved face part 215, the 3rd curved face part 216, the 4th curved face part 217, described first surface portion 214 and the 4th curved face part 217 are symmetrical arranged, the second curved face part 215 and the 3rd curved face part 216 are symmetrical arranged, described the second curved face part 215 and first surface portion 214 and the 4th curved face part 217 intersections, the 3rd curved face part 216 is provided with along the end difference that in free form surface portion, mind-set brim height increases progressively with first surface portion 214 and the 4th curved face part 217 intersections, the installed surface of described the second support 22 turns forward 2 °,
As shown in Figure 10 to Figure 11, the described high light pattern group 3 that adds comprises and adds high light type lens 31, the 3rd support 32, lens holder 7, lens cover plate 8, radiator 6, LED9, described radiator 6 is fixedly connected with the 3rd support 32, described LED9 is arranged on the installed surface centre of the 3rd support 32 and is positioned at the symmetrical rotary axle place that adds high light type lens 31, LED9 bottom is connected with radiator 6, the described high light type lens 31 scioptics cover plates 8 that add are fixed on lens holder 7, described lens holder 7 is fixed on the 3rd support 32 installed surface surroundings, the described high light type lens 31 that add comprise that frustum of a cone portion 213 and interior lowland are arranged on the second free form surface portion of frustum of a cone portion 213 large ends, described frustum of a cone portion 213 pivots are provided with cylindrical cavity, the right-hand member of described cylindrical cavity is provided with the collimation curve part 211 of indent, the conical surface inner side of described frustum of a cone portion 213 is provided with the lens total internal reflection surface 210 for reflection ray, described LED9 is positioned at cylindrical cavity opening part and distance collimation curve part is 12mm, the installed surface of described the 3rd support 32 turns forward 1 °,
As shown in Figure 12 to Figure 13, described Sign Board illumination light pattern group 4 comprises Sign Board illuminating lens 41, the 4th support 42, lens holder 7, lens cover plate 8, radiator 6, LED9, described radiator 6 is fixedly connected with the 4th support 42, described LED9 is arranged on the installed surface centre of the 4th support 42 and is positioned at the symmetrical rotary axle place of Sign Board illuminating lens 41, LED9 bottom is connected with radiator 6, described Sign Board illuminating lens 41 scioptics cover plates 8 are fixed on lens holder 7, described lens holder 7 is fixed on the 4th support 42 installed surface surroundings, described Sign Board illuminating lens 41 comprises that frustum of a cone portion 213 and interior lowland are arranged on the 3rd free form surface portion of frustum of a cone portion 213 large ends, described frustum of a cone portion 213 pivots are provided with cylindrical cavity, the right-hand member of described cylindrical cavity is provided with the collimation curve part 211 of indent, the conical surface inner side of described frustum of a cone portion 213 is provided with the lens total internal reflection surface 210 for reflection ray, described LED9 is positioned at cylindrical cavity opening part and distance collimation curve part 211 is 12mm, the installed surface of described the 4th support 42 recedes 4 °.
Particularly, to widen the light of the 213 small end edges of frustum of a cone portion of light type lens 21 described in being emitted to be 60 ° with the angle of the symmetrical rotary axis of widening light type lens 21 to described LED9.
Further, to add the light of the 213 small end edges of frustum of a cone portion of high light type lens 31 described in being emitted to be 60 ° with the angle of the symmetrical rotary axis that adds high light type lens 31 to described LED9.
Further, described LED9 is emitted to the light of 213 small end edges of frustum of a cone portion of described Sign Board illuminating lens 41 and the angle of the symmetrical rotary axis of Sign Board illuminating lens 41 is 60 °.
Described collimation curve part 211 is obtained by Fermat's principle, and effect is that the light refraction that spot light is sent is directional light, and its formula is:
In formula: r
afor calculating collimation curve distance initial point (being LED) distance; β, for a parameter in calculating, represents entrance ray angle, and scope is (0～30 °), for calculating collimation curve a; r
oaduring for initial calculation apart from initial point (LED) distance, r here
oa=d; N is the refractive index of lens material.
As shown in figure 14, to be provided with for the lens total internal reflection surface 210 of reflection ray be directional light by the refracted ray total reflection of cavity leg 212 in the conical surface of described frustum of a cone portion 213 inner side.It is 12mm with the distance h of collimation curve part 211 that described LED9 is positioned at cylindrical cavity opening part.
Because high-power LED 9 caloric values are larger, for ensureing that widening light type lens 21 does not occur thermal deformation, widening light type lens 21 should be more far better with the distance of LED6, in addition, the total internal reflection inner surface of full parcel immersion is unfavorable for heat radiation, is too greatly also not easy to automobile lamp use and widen light type lens 21.Consider actual conditions, widen the collimation curve part 211 of light type lens 21 and the distance of LED9 is h, be not subject to the impact of LED9 caloric value for making to widen the optical characteristics of light type lens 21, h>10mm, the present embodiment is got h=12mm.Therefore, lens will only be collected with interior luminous energy δ angle, similarly, described in add the collimation curve part 211 of high light type lens 31, Sign Board illuminating lens 41 h value be also 12mm.
The first free form surface portion has adopted sphere iteration configuration LED energy distribution mechanism, and when iteration, direction is that two directions are carried out iteration simultaneously, so form along the end difference that in the first free form surface portion, mind-set brim height increases progressively.This alternative manner makes the light type illumination of projection more even, and otherwise projection light type occurs that center is darker, the more intense phenomenon of illumination of diagonal positions.
The pattern draft of the cavity leg 212 of described cylindrical cavity is 3 °, and effect is to provide certain grinding tool to extract angle λ to grinding tool in the time of injection mo(u)lding, and convenient for withdrawing pattern, λ gets 3 ° conventionally.
Described LED9 is emitted to the light of 213 small end edges of frustum of a cone portion and the angle δ of each lens symmetrical rotary axis is 60 °, for collecting light source emergent ray and make each lens arrangement be unlikely to excessive better, save space, δ is taken as 60 °, can make size design less, thinner, be more conducive to be arranged on car headlamp.
Figure 15 is the light distribution figure of each smooth pattern group on photometric screen in the present embodiment, in figure, show by linear light type 101, widen light type 102, add high light type 103, the distribution situation of Sign Board illumination light type 104 on screen, by light on and off, the power adjustment of each pack module, after being superposeed, light type reaches the at different levels smooth type of laws and regulations requirement, and under higher-energy utilization rate, smaller size smaller, lower cost, realize the mutual conversion between smooth types at different levels, wherein V level light type by ending linear light type, widen light type and Sign Board illumination light type has superposeed; The mode that improves LED brightness of illumination by increasing power in V level light type realizes C level light type; The light type of widening of different capacity of superposeing in C level light type realizes various E level highway light types; In E level light type, reduce line segment 20 and line segment 10 and the illuminance with bottom, and add high light type, and widen the power of light type, can realize W level light type.
Above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.All any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in the protection domain of the utility model claim.
Claims (5)
1. one kind high light efficiency modularization lens type automobile AFS headlamp lighting structure, it is characterized in that: comprise headlamp support (5) and be successively set on from left to right cut-off linear light pattern group (1) on headlamp support (5), widen light pattern group (2), add high light pattern group (3), Sign Board illumination light pattern group (4)
Described cut-off linear light pattern group (1) comprises sidelight lens (11), the first support (13), lens holder (7), lens cover plate (8), semi-surrounding reflector (12), radiator (6), LED (9), described LED (9) is arranged on the sphere centre place of the hemisphere face inner surface of sidelight lens (11) rear end, LED (9) bottom is connected with radiator (6), described semi-surrounding reflector (12) and radiator (6) are fixed on the first support (13), described sidelight lens (11) front end is provided with two adjacent free form surface outer surfaces projectedly, described lens holder (7) is fixed on the first support (13), described sidelight lens (11) rear end scioptics cover plate (8) is fixed on lens holder (7), the angle of two adjacent free form surface outer surface boundary lines is 165 °,
The described light pattern group (2) of widening comprises and widens light type lens (21), the second support (22), lens holder (7), lens cover plate (8), radiator (6), LED (9), described radiator (6) is fixedly connected with the second support (22), described LED (9) is arranged on the installed surface centre of the second support (22) and is positioned at the symmetrical rotary axle place of widening light type lens (21), LED (9) bottom is connected with radiator (6), described light type lens (21) the scioptics cover plates (8) of widening are fixed on lens holder (7), described lens holder (7) is fixed on the second support (22) installed surface surrounding, the described light type lens (21) of widening comprise that frustum of a cone portion (213) and interior lowland are arranged on the first free form surface portion of the large end of frustum of a cone portion (213), described frustum of a cone portion (213) pivot is provided with cylindrical cavity, the right-hand member of described cylindrical cavity is provided with the collimation curve part (211) of indent, the conical surface inner side of described frustum of a cone portion (213) is provided with the lens total internal reflection surface (210) for reflection ray, described LED (9) is positioned at cylindrical cavity opening part and distance collimation curve part is 12mm, described the first free form surface portion comprises first surface portion (214), the second curved face part (215), the 3rd curved face part (216), the 4th curved face part (217), described first surface portion (214) and the 4th curved face part (217) are symmetrical arranged, the second curved face part (215) and the 3rd curved face part (216) are symmetrical arranged, described the second curved face part (215) and first surface portion (214) and the 4th curved face part (217) intersection, the 3rd curved face part (216) is provided with along the end difference that in free form surface portion, mind-set brim height increases progressively with first surface portion (214) and the 4th curved face part (217) intersection, the installed surface of described the second support (22) turns forward 2 °,
The described high light pattern group (3) that adds comprises and adds high light type lens (31), the 3rd support (32), lens holder (7), lens cover plate (8), radiator (6), LED (9), described radiator (6) is fixedly connected with the 3rd support (32), described LED (9) is arranged on the installed surface centre of the 3rd support (32) and is positioned at the symmetrical rotary axle place that adds high light type lens (31), LED (9) bottom is connected with radiator (6), described high light type lens (31) the scioptics cover plates (8) that add are fixed on lens holder (7), described lens holder (7) is fixed on the 3rd support (32) installed surface surrounding, the described high light type lens (31) that add comprise that frustum of a cone portion (213) and interior lowland are arranged on the second free form surface portion of the large end of frustum of a cone portion (213), described frustum of a cone portion (213) pivot is provided with cylindrical cavity, the right-hand member of described cylindrical cavity is provided with the collimation curve part (211) of indent, the conical surface inner side of described frustum of a cone portion (213) is provided with the lens total internal reflection surface (210) for reflection ray, described LED (9) is positioned at cylindrical cavity opening part and distance collimation curve part is 12mm, the installed surface of described the 3rd support (32) turns forward 1 °,
Described Sign Board illumination light pattern group 4 comprises Sign Board illuminating lens (41), the 4th support (42), lens holder (7), lens cover plate (8), radiator (6), LED (9), described radiator (6) is fixedly connected with the 4th support (42), described LED (9) is arranged on the installed surface centre of the 4th support (42) and is positioned at the symmetrical rotary axle place of Sign Board illuminating lens (41), LED (9) bottom is connected with radiator (6), described Sign Board illuminating lens (41) scioptics cover plate (8) is fixed on lens holder (7), described lens holder (7) is fixed on the 4th support (42) installed surface surrounding, described Sign Board illuminating lens (41) comprises that frustum of a cone portion (213) and interior lowland are arranged on the 3rd free form surface portion of the large end of frustum of a cone portion (213), described frustum of a cone portion (213) pivot is provided with cylindrical cavity, the right-hand member of described cylindrical cavity is provided with the collimation curve part (211) of indent, the conical surface inner side of described frustum of a cone portion (213) is provided with the lens total internal reflection surface (210) for reflection ray, described LED (9) is positioned at cylindrical cavity opening part and distance collimation curve part is 12mm, the installed surface of described the 4th support (42) recedes 4 °.
2. high light efficiency modularization lens type automobile AFS headlamp lighting structure according to claim 1, is characterized in that: the light of widening the small end edge of frustum of a cone portion (213) of light type lens (21) described in described LED (9) is emitted to is 60 ° with the angle of the symmetrical rotary axis of widening light type lens (21).
3. high light efficiency modularization lens type automobile AFS headlamp lighting structure according to claim 1, is characterized in that: the light that adds the small end edge of frustum of a cone portion (213) of high light type lens (31) described in described LED (9) is emitted to is 60 ° with the angle of the symmetrical rotary axis that adds high light type lens (31).
4. high light efficiency modularization lens type automobile AFS headlamp lighting structure according to claim 1, is characterized in that: described LED (9) is emitted to the light of small end edge of frustum of a cone portion (213) of described Sign Board illuminating lens (41) and the angle of the symmetrical rotary axis of Sign Board illuminating lens (41) is 60 °.
5. according to the high light efficiency modularization lens type automobile AFS headlamp lighting structure described in claim 1 to 4 any one, it is characterized in that: the pattern draft of the cavity leg (212) of described cylindrical cavity is 3 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420390956.2U CN203980080U (en) | 2014-07-15 | 2014-07-15 | A kind of high light efficiency modularization lens type automobile AFS headlamp lighting structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420390956.2U CN203980080U (en) | 2014-07-15 | 2014-07-15 | A kind of high light efficiency modularization lens type automobile AFS headlamp lighting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302447A (en) * | 2016-08-31 | 2018-07-20 | 上海小糸车灯有限公司 | Direct-injection type car headlamp module and car headlamp |
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2014
- 2014-07-15 CN CN201420390956.2U patent/CN203980080U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302447A (en) * | 2016-08-31 | 2018-07-20 | 上海小糸车灯有限公司 | Direct-injection type car headlamp module and car headlamp |
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