CN204534382U - A kind of anti-glare car light - Google Patents
A kind of anti-glare car light Download PDFInfo
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- CN204534382U CN204534382U CN201520278952.XU CN201520278952U CN204534382U CN 204534382 U CN204534382 U CN 204534382U CN 201520278952 U CN201520278952 U CN 201520278952U CN 204534382 U CN204534382 U CN 204534382U
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Abstract
The utility model provides a kind of anti-glare car light, comprise light source (1), upper convex lens (2) and lower convex lens (3), light source (1) is positioned on the optical axis of this anti-glare car light, upper convex lens (2) and lower convex lens (3) are positioned at the homonymy of light source (1), upper convex lens (2) are positioned at more than this optical axis, lower convex lens (3) are positioned at below this optical axis, upper convex lens (2) are greater than the focal length of upper convex lens (2) to the distance of light source (1), lower convex lens (3) are less than the focal length of lower convex lens (3) to the distance of light source (1).This anti-glare car light not only can reduce optical axis with the intensity of glazed thread, the intensity of the following light of optical axis can also be strengthened, following for optical axis light can be divided into according to direction from the close-by examples to those far off multiple zoness of different that light intensity increases progressively gradually, thus light be concentrated on the remote location that driver needs.
Description
Technical field
The utility model relates to a kind of anti-glare car light.
Background technology
Along with the raising of China's Living consumption, the vehicle guaranteeding organic quantity of China also grows with each passing day.Vehicle in the process of moving, especially usually needs switch-on dim light or high beam night, when using high beam meeting, bringing to the driver of the other side and dazzling the eyes even blind sensation, causing the short time normally to travel, very easily cause traffic accident.Although China's law clear stipulaties must use dipped headlights when meeting, still have quite a few driver to be difficult to accomplish in order to oneself is convenient in real life, potential safety hazard during driving is always with us.
Utility model content
Opposite driver is caused to dazzle the eyes even blind problem due to abuse high beam in order to solve when meeting.The utility model provides a kind of anti-glare car light, this anti-glare car light not only can reduce optical axis with the intensity of glazed thread, the intensity of the following light of optical axis can also be strengthened, following for optical axis light can be divided into according to direction from the close-by examples to those far off multiple zoness of different that light intensity increases progressively gradually, thus light be concentrated on the remote location that driver needs.
The utility model is the technical scheme solving the employing of its technical problem: a kind of anti-glare car light, comprise light source, upper convex lens and lower convex lens, light source is positioned on the optical axis of this anti-glare car light, upper convex lens and lower convex lens are positioned at the homonymy of light source, upper convex lens are positioned at more than the optical axis of this anti-glare car light, lower convex lens are positioned at below the optical axis of this anti-glare car light, the photocentre of upper convex lens is greater than the focal length of upper convex lens to the distance of light source, and the photocentre of lower convex lens is less than the focal length of lower convex lens to the distance of light source.
The optical axis of this anti-glare car light is arranged in the horizontal direction, and upper convex lens are semicircle, and the optical axis of upper convex lens and the optical axis coincidence of this anti-glare car light, the base of upper convex lens is positioned at the horizontal plane at the optical axis place of this anti-glare car light.
Lower convex lens are semicircle, and the lower optical axis of convex lens and the optical axis coincidence of this anti-glare car light, the top margin of lower convex lens is positioned at the horizontal plane at the optical axis place of this anti-glare car light.
The focus of upper convex lens is 25:50 to the focus of distance and the lower convex lens of light source to the ratio of the distance of light source.
The base of upper convex lens is connected with the top margin of lower convex lens, and upper convex lens and lower convex lens are planoconvex spotlight.
Described anti-glare car light also comprises convergent bowl, described convergent bowl comprises at the bottom of the rim of a bowl and bowl, containing light reflection surface in convergent bowl, the focus of this light reflection surface is a line segment, this line segment is positioned on the optical axis of this anti-glare car light, one end of this line segment is corresponding with described the rim of a bowl, and the other end of this line segment is corresponding with at the bottom of described bowl, and light source is between the two ends of this line segment.
Convergent bowl comprises convergent bowl and lower convergent bowl, and upper convergent bowl is positioned at the optical axis place of this anti-glare car light above water, and lower convergent bowl is positioned at below the horizontal plane at optical axis place of this anti-glare car light.
Central angle corresponding to upper convergent bowl is 180 °, the focus of the upper light reflection surface in upper convergent bowl is the part in described line segment between light source and the described other end of this line segment, be positioned at the described other end of this line segment in the focus of the upper light reflection surface at the rim of a bowl place, the position of the focus of the upper light reflection surface in bowl bottom is corresponding with the position of light source.
Central angle corresponding to lower convergent bowl is 180 °, the focus of the lower light reflection surface in lower convergent bowl is the part in described line segment between light source and described one end of this line segment, be positioned at light source in the focus of the lower light reflection surface at this rim of a bowl place, be positioned at described one end of this line segment in the focus of the lower light reflection surface of bowl bottom.
Light source, upper convex lens and lower convex lens are all positioned at convergent bowl, the focus of upper convex lens is 25:50 to the focus of distance and the lower convex lens of light source to the ratio of the distance of light source, the focus of the upper light reflection surface at the rim of a bowl place is 75:25 to the focus of distance and the upper convex lens of light source to the ratio of the distance of light source, and the focus of the lower light reflection surface in bowl bottom is 100:50 to the focus of distance and the lower convex lens of light source to the ratio of the distance of light source.
The beneficial effects of the utility model are: this anti-glare car light not only can reduce optical axis with the intensity of glazed thread, the intensity of the following light of optical axis can also be strengthened, following for optical axis light can be divided into according to direction from the close-by examples to those far off multiple zoness of different that light intensity increases progressively gradually, thus light be concentrated on the remote location that driver needs.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, anti-glare car light described in the utility model is described in further detail.
Fig. 1 is the position relationship schematic diagram of light source, upper convex lens, lower convex lens, upper convergent bowl and lower convergent bowl.
Fig. 2 is the operation principle schematic diagram of this anti-glare car light.
Fig. 3 is the working state schematic representation of this anti-glare car light.
Fig. 4 is the first schematic diagram in F direction in Fig. 1.
Fig. 5 is the second schematic diagram in F direction in Fig. 1.
Fig. 6 is the third schematic diagram in F direction in Fig. 1.
Fig. 7 is the front view of convex lens on the first.
Fig. 8 is the front view of convex lens on the second.
Fig. 9 is the front view of convex lens on the third.
Wherein 1. light sources, 2. go up convex lens, 3. descend convex lens, 4. convergent bowl;
Convergent bowl on 41., light reflection surface on 42., 43. times convergent bowls, 44. times light reflection surfaces;
A. the focus of convergent bowl the rim of a bowl is gone up;
B. the focus of convex lens is descended;
C. the focus of convergent bowl the rim of a bowl or the position of light source is descended;
D. the focus of convex lens is gone up;
E. the focus at the bottom of convergent bowl bowl is descended.
Detailed description of the invention
Below in conjunction with accompanying drawing, anti-glare car light described in the utility model is described in further detail.A kind of anti-glare car light, comprise light source 1, upper convex lens 2 and lower convex lens 3, light source 1 is positioned on the optical axis (shown in Fig. 1 to Fig. 3 chain lines) of this anti-glare car light, upper convex lens 2 and lower convex lens 3 are positioned at the homonymy of light source 1, upper convex lens 2 are positioned at more than the optical axis of this anti-glare car light, lower convex lens 3 are positioned at below the optical axis of this anti-glare car light, the photocentre of upper convex lens 2 is greater than the focal length of upper convex lens 2 to the distance of light source 1, the photocentre of lower convex lens 3 is less than the focal length of lower convex lens 3 to the distance of light source 1, as depicted in figs. 1 and 2.
In order to reach abblendbar object, the utility model mainly have employed the idea of the light intensity reducing the above subregion of car light optical axis compared to the car light of existing motor vehicle, in the present embodiment, as shown in Figure 1 to Figure 3, upper convex lens 2 and lower convex lens 3 are positioned at the right side of light source 1, the light more than optical axis that light source 1 sends through on convex lens 2 reflect after will converge at the light collection point H1 of optical axis, the light that such script is upwards dispersed will transfer downward irradiation to, so the light intensity in more than the optical axis of light in figure 3 on the right side of light collection point H1 region will be greatly diminished, and this region is just in time generally the region at oncoming drivers's eyes place, so due to the existence of upper convex lens 2, not only anti-glare " light can be transferred to downward irradiation " and can also strengthen the illumination on ground, optionally delivered to by upper convex lens 2 place that needs to go like light and do not gone to the place that should not go.
During use, the optical axis of this anti-glare car light is arranged roughly in the horizontal direction, and upper convex lens 2 are semicircle, and the upper optical axis of convex lens 2 and the optical axis coincidence of this anti-glare car light, the base of upper convex lens 2 is positioned at the horizontal plane at the optical axis place of this anti-glare car light.Lower convex lens 3 are semicircle, and the lower optical axis of convex lens 3 and the optical axis coincidence of this anti-glare car light, the top margin of lower convex lens 3 is positioned at the horizontal plane at the optical axis place of this anti-glare car light, as shown in Figure 1 and Figure 4.Upper convex lens 2 and lower convex lens 3 also have other shape, as long as upper convex lens 2 can reflect all or part of light more than optical axis that light source 1 sends downwards, 3, lower convex lens otherwise all or part of light below optical axis sent by light source 1 reflects more than optical axis.The diameter of upper convex lens 2 and lower convex lens 3 can identical also can be different, as shown in Figures 4 to 6.The shape of upper convex lens 2 can as shown in Figure 7 to 9, and the shape of lower convex lens 3 also can be selected as shown in Figure 7 to 9, only need rotate 180 ° in use.In the present embodiment, in order to reach best anti-glare and illuminate the effect in driver front, in selection, the base of convex lens 2 is connected with the top margin of lower convex lens 3, and upper convex lens 2 and lower convex lens 3 are planoconvex spotlight.
In order to efficiency utilization light source, described anti-glare car light also comprises convergent bowl 4, described convergent bowl 4 comprises at the bottom of the rim of a bowl and bowl, as depicted in figs. 1 and 2, the right-hand member of convergent bowl 4 is the rim of a bowl, the left end of convergent bowl 4 is at the bottom of bowl, containing light reflection surface in convergent bowl 4, the focus of this light reflection surface is a continuous print line segment AE, this line segment is positioned on the optical axis of this anti-glare car light, one end of this line segment is corresponding with described the rim of a bowl, the other end of this line segment is corresponding with at the bottom of described bowl, namely as depicted in figs. 1 and 2, one end of this line segment is positioned at the right side (right-hand member) of this line segment, described the rim of a bowl is also positioned at the right side (right-hand member) of convergent bowl 4, the other end of this line segment is positioned at the left side (left end) of this line segment, the left side (left end) of convergent bowl 4 is positioned at the bottom of described bowl, light source 1 is between the two ends of this line segment.Namely in the present embodiment, a series of toroidal reflective surface unit that this light reflection surface of the inner surface of convergent bowl 4 is arranged by the axis direction along convergent bowl 4 form, the focus of all toroidal reflective surface unit defines line segment described in continuous print, as shown in Figure 4 and Figure 5, the concrete structure of this convergent bowl 4 is shown in Chinese patent CN 204240278U, introduces no longer in detail in the utility model.In the present embodiment, this line segment is the AE in Fig. 1.
Further, convergent bowl 4 comprises convergent bowl 41 and lower convergent bowl 43, and upper convergent bowl 41 is positioned at the optical axis place of this anti-glare car light above water, and lower convergent bowl 43 is positioned at below the horizontal plane at optical axis place of this anti-glare car light, as shown in Figure 1.The rim of a bowl diameter of upper convergent bowl 41 can be identical with the rim of a bowl diameter of lower convergent bowl 43, as shown in Figure 4 and Figure 5.The rim of a bowl diameter of upper convergent bowl 41 and the rim of a bowl diameter of lower convergent bowl 43 also can be different, as shown in Figure 6.Diameter at the bottom of the bowl of upper convergent bowl 41 can be identical with diameter at the bottom of the bowl of lower convergent bowl 43.Diameter at the bottom of the bowl of diameter and lower convergent bowl 43 at the bottom of the bowl of upper convergent bowl 41 also can be different.
Convergent bowl 4 can be existing common convergent bowl, also can select convergent bowl 4 (concrete structure is shown in Chinese patent CN 204240278U) as shown in Figure 1, Figure 4 and Figure 5, convergent bowl 4 (concrete structure as shown in figures 1 to 6) as shown in Figure 6 can also be selected.The preferred convergent bowl of the utility model 4 is made up of upper convergent bowl 41 and lower convergent bowl 43, central angle corresponding to upper convergent bowl 41 is 180 °, the lower limb of upper convergent bowl 41 is positioned at the horizontal plane at the optical axis place of this anti-glare car light, the focus of the upper light reflection surface 42 in upper convergent bowl 41 is the part between the left end of light source 1 and this line segment AE in described line segment, namely the focus going up the upper light reflection surface 42 in convergent bowl 41 is line segment AC, as shown in Figure 1.Concrete, the left end of this line segment is positioned in the focus of the upper light reflection surface 42 at the rim of a bowl place, namely the A point position of this line segment AE is arranged in the focus of the upper light reflection surface 42 at the rim of a bowl place, the position of the focus of the upper light reflection surface 42 in bowl bottom is corresponding with the position of light source 1, the position of the focus of the upper light reflection surface 42 in bowl bottom is infinitely close to the C position at light source 1 place from left side, as shown in Figure 1.
Central angle corresponding to lower convergent bowl 43 is 180 °, the focus of the lower light reflection surface 44 in lower convergent bowl 43 is the part in described line segment AE between light source 1 and the right-hand member of this line segment, namely the focus of the lower light reflection surface 44 in convergent bowl 43 is descended to be line segment CE, as shown in Figure 1.Concrete, light source 1 is positioned in the focus of the lower light reflection surface 44 at this rim of a bowl place, the C position at light source 1 place is positioned in the focus of the lower light reflection surface 44 at this rim of a bowl place, be positioned at the right-hand member of this line segment in the focus of the lower light reflection surface 44 of bowl bottom, be namely arranged in the E position of this line segment AE in the focus of the lower light reflection surface 44 of bowl bottom.
The light more than optical axis that such light source 1 sends through on convergent bowl 41 reflect after will reflect below optical axis, the light that such script is upwards dispersed will transfer downward irradiation to, the light below optical axis that light source 1 sends after lower convergent bowl 43 reflects by front farther below directive optical axis, upper convex lens 2, lower convex lens 3, the ray cast that light source 1 sends by upper convergent bowl 41 and lower convergent bowl 43 coordinated is to multiple regions in driver front, as in the present embodiment, this anti-glare car light projects L1L2 in driver front, L2L3, L3L4, L4L5, five regions on the right side of L5.Width and the light intensity in above-mentioned five regions just can be controlled accurately by the distance in adjustment Fig. 1 between ABCDE.
In the present embodiment, preferred light source 1, upper convex lens 2 and lower convex lens 3 are all positioned at convergent bowl 4, and the focus of upper convex lens 2 is 25:50, i.e. DC:BC=25:50 to the focus of distance and the lower convex lens 3 of light source 1 to the ratio of the distance of light source 1.The focus of the upper light reflection surface 42 at the rim of a bowl place is 75:25, i.e. AC:DC=75:25 to the focus of distance and the upper convex lens 2 of light source 1 to the ratio of the distance of light source 1.The focus of the lower light reflection surface 44 in bowl bottom is 100:50, i.e. EC:BC=100:50 to the focus of distance and the lower convex lens 3 of light source 1 to the ratio of the distance of light source 1.I.e. AB=25, BC=50, CD=25, DE=75, CE=100, AC=75, BC=50, CD=25 in Fig. 1.
L1L2, L2L3, L3L4, L4L5, on the right side of L5, the light intensity in five regions is by being followed successively by L4L5 to weak ordering by force, L3L4, L2L3, L1L2, on the right side of L5, the advantage of such setting is, human eye has near big and far smaller imaging configuration, simultaneously driver is selectable to the concern distance in front in the process of driving, as driver more easily pays close attention to a certain position, front, suppose this positional distance driver 200 meters, so most scientific lighting system should be the position cover (light is the strongest) in about 200 meters, front, strengthened gradually to 200 meters of position light by driver, weaken gradually again to farther front light by 200 meters, and the intensity of illumination of existing car light is generally and from the close-by examples to those far off weakens gradually, driver pays close attention to a distant place just inevitable Misuse high beam.The utility model just can realize the lighting system of above-mentioned science, the width that just can be controlled above-mentioned L4L5 region by the distance in adjustment Fig. 1 between ABCDE is accurately positioned at about 200 meters, the adjustment that the width in this L4L5 region and light intensity also can be suitable as required simultaneously.
More weak and nearest from driver of light intensity due to L1L2 region, the benefit of such setting be can avoid closely going out light cross strong and Ben Che driver is produced dazzle the eyes stimulation, as people observes object bright in the dark surrounds of a distant place under the environment and bright light environments of dark simultaneously, people to observe in the dark surrounds of a distant place bright object and can feel more to become clear in the environment of dark, under namely same light intensity the weak meeting of the light in L1L2 region driver is felt L4L5 region, a distant place is brighter.Meanwhile, driver also can feel that the brightness on the right side of L5 is also reinforced, and makes driver can not an excessive worry distant place, reduces driver habitually to the dependence of high beam.
The above; be only specific embodiment of the utility model, the scope of the utility model enforcement can not be limited with it, so the displacement of its equivalent assemblies; or the equivalent variations to do according to the utility model scope of patent protection and modification, all still should belong to the category that this patent is contained.In addition, the technical characteristic in the utility model and all can using by independent assortment between technical characteristic, between technical characteristic and technical scheme, between technical scheme and technical scheme.
Claims (10)
1. an anti-glare car light, it is characterized in that, described anti-glare car light comprises light source (1), upper convex lens (2) and lower convex lens (3), light source (1) is positioned on the optical axis of this anti-glare car light, upper convex lens (2) and lower convex lens (3) are positioned at the homonymy of light source (1), upper convex lens (2) are positioned at more than the optical axis of this anti-glare car light, lower convex lens (3) are positioned at below the optical axis of this anti-glare car light, the photocentre of upper convex lens (2) is greater than the focal length of upper convex lens (2) to the distance of light source (1), the photocentre of lower convex lens (3) is less than the focal length of lower convex lens (3) to the distance of light source (1).
2. anti-glare car light according to claim 1, it is characterized in that: the optical axis of this anti-glare car light is arranged in the horizontal direction, upper convex lens (2) are semicircle, the optical axis of upper convex lens (2) and the optical axis coincidence of this anti-glare car light, the base of upper convex lens (2) is positioned at the horizontal plane at the optical axis place of this anti-glare car light.
3. anti-glare car light according to claim 2, it is characterized in that: lower convex lens (3) are for semicircle, the lower optical axis of convex lens (3) and the optical axis coincidence of this anti-glare car light, the top margin of lower convex lens (3) is positioned at the horizontal plane at the optical axis place of this anti-glare car light.
4. anti-glare car light according to claim 3, is characterized in that: the focus of upper convex lens (2) is 25:50 to the focus of the distance of light source (1) and lower convex lens (3) to the ratio of the distance of light source (1).
5. anti-glare car light according to claim 4, is characterized in that: the base of upper convex lens (2) is connected with the top margin of lower convex lens (3), and upper convex lens (2) and lower convex lens (3) are planoconvex spotlight.
6. anti-glare car light according to claim 1, it is characterized in that: described anti-glare car light also comprises convergent bowl (4), described convergent bowl (4) comprises at the bottom of the rim of a bowl and bowl, containing light reflection surface in convergent bowl (4), the focus of this light reflection surface is a line segment, this line segment is positioned on the optical axis of this anti-glare car light, one end of this line segment is corresponding with described the rim of a bowl, the other end of this line segment is corresponding with at the bottom of described bowl, and light source (1) is between the two ends of this line segment.
7. anti-glare car light according to claim 6, it is characterized in that: convergent bowl (4) comprises convergent bowl (41) and lower convergent bowl (43), upper convergent bowl (41) is positioned at the optical axis place of this anti-glare car light above water, and lower convergent bowl (43) is positioned at below the horizontal plane at optical axis place of this anti-glare car light.
8. anti-glare car light according to claim 7, it is characterized in that: upper central angle corresponding to convergent bowl (41) is 180 °, the focus of the upper light reflection surface (42) in upper convergent bowl (41) is the part in described line segment between light source (1) and the described other end of this line segment, be positioned at the described other end of this line segment in the focus of the upper light reflection surface (42) at the rim of a bowl place, the position of the focus of the upper light reflection surface (42) in bowl bottom is corresponding with the position of light source (1).
9. anti-glare car light according to claim 8, it is characterized in that: the central angle corresponding to lower convergent bowl (43) is 180 °, the focus of the lower light reflection surface (44) in lower convergent bowl (43) is the part in described line segment between light source (1) and described one end of this line segment, be positioned at light source (1) in the focus of the lower light reflection surface (44) at this rim of a bowl place, be positioned at described one end of this line segment in the focus of the lower light reflection surface (44) of bowl bottom.
10. anti-glare car light according to claim 9, it is characterized in that: light source (1), upper convex lens (2) and lower convex lens (3) are all positioned at convergent bowl (4), the focus of upper convex lens (2) is 25:50 to the focus of the distance of light source (1) and lower convex lens (3) to the ratio of the distance of light source (1), the focus of the upper light reflection surface (42) at the rim of a bowl place is 75:25 to the focus of the distance of light source (1) and upper convex lens (2) to the ratio of the distance of light source (1), the focus of the lower light reflection surface (44) in bowl bottom is 100:50 to the focus of the distance of light source (1) and lower convex lens (3) to the ratio of the distance of light source (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520278952.XU CN204534382U (en) | 2015-04-30 | 2015-04-30 | A kind of anti-glare car light |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520278952.XU CN204534382U (en) | 2015-04-30 | 2015-04-30 | A kind of anti-glare car light |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791685A (en) * | 2015-04-30 | 2015-07-22 | 杨发 | Anti-dazzling car lamp |
| CN108278572A (en) * | 2018-02-23 | 2018-07-13 | 重庆舜辉庆驰光电科技有限公司 | The double optical lens automobile fronts of LED bifocus |
-
2015
- 2015-04-30 CN CN201520278952.XU patent/CN204534382U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791685A (en) * | 2015-04-30 | 2015-07-22 | 杨发 | Anti-dazzling car lamp |
| CN108278572A (en) * | 2018-02-23 | 2018-07-13 | 重庆舜辉庆驰光电科技有限公司 | The double optical lens automobile fronts of LED bifocus |
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Granted publication date: 20150805 Termination date: 20200430 |