CN204420812U - There is the LED car lamp of bitoric lens - Google Patents
There is the LED car lamp of bitoric lens Download PDFInfo
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- CN204420812U CN204420812U CN201520121016.8U CN201520121016U CN204420812U CN 204420812 U CN204420812 U CN 204420812U CN 201520121016 U CN201520121016 U CN 201520121016U CN 204420812 U CN204420812 U CN 204420812U
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- lens
- bitoric
- led
- light source
- car lamp
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- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Abstract
The utility model discloses a kind of LED car lamp with bitoric lens, it comprises at least one LED light source, luminous lens, and at least one bitoric lens.Wherein, bitoric lens is arranged between LED light source and luminous lens, and bitoric lens has towards the light guiding surface of LED light source and the sizing face towards luminous lens.The light sent from LED light source penetrates sizing irradiated region behind light guiding surface, sizing face.According to the LED car lamp with bitoric lens of the present utility model, obtained the light type of corresponding sizing irradiated region by LED light source, bitoric lens and luminous lens.
Description
Technical field
The utility model relates to a kind of car light, particularly a kind of car light applying LED.
Background technology
The development of science and technology has driven the progress of human society, and urban Fast Growth also allows the demand of the vehicles more and more high jointly, as locomotive etc. be almost that family is indispensable, also therefore performance and the security of vehicle are more subject to the attention of people.When vehicle travels in dim place, often need the illumination of car light, traditional illumination light-emitting source generally uses halogen bulb, but the consumed power of halogen bulb is higher, and the high heat of high temperature can be produced, replaced by LED (Light Emitting Diode, light emitting diode) gradually in recent years.LED has high-luminous-efficiency, low power consuming and the production process comparatively advantage such as environmental protection, extensively model be applied to every field.
The object of car light design is in dim environment, provide driving or the enough light source of knight, and what make it can grasp on road or arround driving exactly is dynamically any, the generation cutd down traffic accidents.Meanwhile, subtend send a car or close shot demand time, switch to dipped headlights from high beam, avoid send a car driving or the knight on light direct projection opposite, make its eyes uncomfortable and meet accident.Therefore, the design of car light must consider safety, except irradiating certain light type to meet except regulation, also needs the handoff functionality possessing long-and-short distant light.Known Vehicle lamp structure comprises light source, reflective mirror, luminous lens and shadow shield.The light that light source sends, through mirror reflection, finally again through luminous lens injection, uses liftable shadow shield between light source and luminous lens, then blocks some light by controlling lifting shadow shield, reaches the switching effect of long-and-short distant light.The outgoing light type of above-mentioned Vehicle lamp structure only converts against the position relationship of light source, reflective mirror and luminous lens.But the mechanism of aforementioned lifting shadow shield is not only comparatively complicated in design, and the mechanism of lifting shadow shield takes up space and has certain light type restriction, is difficult to meet high standard and diverse light type demand.Such as, moreover the lifting of shadow shield needs to coordinate certain mechanism and control device, magnetic valve and interlock rod member etc., cause the complexity of car lamp device and the inconvenience in maintenance.
In order to improve above-mentioned disappearance, applicant concentrates on studies, finally created a kind of LED car lamp with bitoric lens, it has high brightness, designs easy switching, easily reaches high standard light type demand and do not need complex mechanism can switch the advantage of long-and-short distant light.
Utility model content
Be to provide a kind of LED car lamp with bitoric lens according to the purpose of this utility model, thus overcome the above-mentioned defect of prior art.
An embodiment of the present utility model is to provide a kind of LED car lamp with bitoric lens, and it comprises at least one LED light source, luminous lens, and at least one bitoric lens.Wherein, bitoric lens is arranged between LED light source and luminous lens, and bitoric lens has towards the light guiding surface of LED light source and the sizing face towards luminous lens.The light that LED light source sends penetrates sizing irradiated region behind light guiding surface, sizing face.The light type of corresponding sizing irradiated region is obtained by LED light source, bitoric lens and luminous lens.
By above-mentioned bi-curved type design, the light that LED can be made to send is first through the refraction of secondary optics, and incident luminous lens in more suitably angle, makes more to meet demand from the light type of luminous lens injection and brightness.
According to the aforesaid LED car lamp with bitoric lens, the light guiding surface of its bitoric lens is different with the radius of curvature in sizing face, and light guiding surface and sizing face are all convex surfaces, and preferably wherein at least one face is designed to aspheric surface.Luminous lens has plane towards bitoric lens and and its aspheric surface convex surface arranged on the contrary.By above-mentioned design, also the light sent from LED light source collected by favourable bitoric lens, and contribute to designing diversified irradiation area.
Another embodiment of the present utility model is to provide a kind of LED car lamp with bitoric lens, and it comprises multiple LED light source and multiple bitoric lens.Bitoric lens and LED light source correspondence are arranged, and bitoric lens has one respectively towards the light guiding surface of LED light source and the sizing face that arrange contrary to light guiding surface, the light that each LED light source sends penetrates sizing irradiated region after corresponding light guiding surface and sizing face.
By the hyperboloid face type design that above-mentioned each LED is corresponding, selectively switch and preset light that several or any one LED sends first through the refraction of secondary optics, again selectively or set project outside car, the combination of different light type can be switched whereby, not only can carry out far and near lamp exchange and vehicle lamp brightness can be improved by demand.
According to the aforesaid LED car lamp with bitoric lens, each LED light source through the sizing irradiated region that each lens lighting goes out be long ellipse or the square type of parallel side-by-side.Each LED light has virtual center optical axis respectively, wherein has the virtual center optical axis of part LED light source parallel to each other, a part of not parallel in addition.Each bitoric lens has virtual lens optical axis respectively, and wherein have the virtual lens optical axis of partial hyperboloidal lens parallel to each other, part is not parallel.In addition, aforementioned multiple bitoric lens includes sizing face and the light guiding surface of different curvature radius, and whole sizing faces not necessarily will have identical radius of curvature, can be part identical (remainder is not identical).Moreover the design in thinner portion can also be carried out in the sizing face of partial hyperboloidal lens, make each sizing face have top-surface camber portion and lower surface camber portion respectively, and curved face part is asymmetric up and down.Whereby, different bitoric lens can be designed to different face types, relends and is configured by the putting position of each LED light source and bitoric lens, coordinates under exchange, can also design the light type more meeting demand user by demand.In addition, the aforesaid LED car lamp with bitoric lens also comprises control unit, can control all, part or any one LED light source switch, and reaches the switching of long-and-short distant light and the object controlling bright dipping light type or brightness.
The utility model has following advantages: LED light source collocation bitoric lens, can have the effect of secondary optics, by the design of bitoric lens, as the change of the face types such as radius of curvature, male and female face, aspheric surface, more easily can reach the design of demand light type.During further collocation luminous lens, the light type better effects if of last bright dipping can be allowed; The sizing face of lens curved surface lens is designed with upper and lower curved face part, can reach finer bright dipping change, contribute to designing more complicated light type, be particularly advantageous in the design of asymmetric light type; When having multiple LED light source and bitoric lens, can improve the brightness of bright dipping, and be configured by the position of each LED light source and bitoric lens, variable dissolving different goes out Light distribation; Finally, control the secretly bright of LED light source by control unit, brightness and the scope of bright dipping can be controlled, and can be used as the switching of far and near lamp.
Accompanying drawing explanation
Fig. 1 is the generalized section with the LED car lamp of bitoric lens of an embodiment of the present utility model.
Fig. 2 is the LED light source bright dipping distribution map of the utility model Fig. 1.
Fig. 3 is that the utility model is by the bright dipping distribution map after bitoric lens.
Fig. 4 is the generalized section with the LED car lamp of bitoric lens of another embodiment of the present utility model.
Fig. 5 is the magnified partial view of the utility model Fig. 4.
Fig. 6 is the generalized section with the LED car lamp of bitoric lens of an embodiment of the present utility model.
Fig. 7 is the top cross-sectional view with the LED car lamp of bitoric lens of another embodiment of the present utility model.
Fig. 8 is multiple bitoric lens bright dipping distribution maps of the utility model Fig. 7.
Fig. 9 is the LED car lamp bright dipping light type that the schematic diagram of the utility model Fig. 8 has bitoric lens.
Detailed description of the invention
See also Fig. 1 and Fig. 2, Fig. 1 is the generalized section of the LED car lamp 100 with bitoric lens of an embodiment of the present utility model, and Fig. 2 is the LED light source 200 bright dipping distribution map of the utility model Fig. 1.As shown in the figure, the LED car lamp 100 with bitoric lens includes LED light source 200, bitoric lens 300 and luminous lens 400.
Bitoric lens 300 is arranged between LED light source 200 and luminous lens 400, and has light guiding surface 320 and sizing face 310.Light guiding surface 320, towards LED light source 200, is designed to convex surface, and the light penetrated for LED light source 200 is injected; Sizing face 310, towards luminous lens 400, is designed to convex surface, allows light penetrate.Briefly, namely light guiding surface 320 is the incidence surface of bitoric lens 300, and namely sizing face 310 is the exiting surface of bitoric lens 300.The light penetrated by LED light source 200 can form the disciform sizing front irradiation district 500X of length in Fig. 2, after the refraction of sizing front irradiation district 500X by the light guiding surface 320 of bitoric lens 300, face 310 of shaping, laterally long square shape sizing irradiated region 500 can be penetrated, refer to shown in Fig. 3, this sizing irradiated region 500 shape can adjustment changes according to the condition setting of bitoric lens 300.Luminous lens 400 is planoconvex spotlights, has towards the plane 420 of bitoric lens 300, and the convex surface 410 that arrange contrary to plane 420.Specifically, when the aforementioned car light 100 with bitoric lens 300 is applied on vehicle, convex surface 410 is towards the one side outside car body, and the light that LED light source 200 sends projects outside car body after light guiding surface 320, sizing face 310 and luminous lens 400, provides illumination functions.In the present embodiment, light guiding surface 320 and sizing face 310 are all convex surfaces, have different radius of curvature, and sizing face 310 is designed to aspheric surface; Meanwhile, the convex surface 410 of luminous lens 400 is also aspheric surface.Aspheric being designed with helps control the angle of incidence of light on lens and refraction angle, reaches required to go out Light distribation and brightness, and the design of lens can use optical design software to reach.Certainly, in other embodiments, aforementioned light guiding surface 320, sizing face 310 also can be designed as concave surface or sphere, luminous lens 400 also can be designed to biconvex lens or concave-convex lens, face type also can be designed to sphere, sizing irradiated region 500 also can be square type or other given shape, is not limited to aforementioned open.By the collocation of LED light source 200, bitoric lens 300 and luminous lens 400, last bright dipping light type can be made to meet demand.
See also Fig. 4 and Fig. 5, Fig. 4 is the generalized section of the LED car lamp 110 with bitoric lens of another embodiment of the present utility model, and Fig. 5 is the magnified partial view of the utility model Fig. 4.As shown in the figure, the LED car lamp 110 with bitoric lens includes three LED light sources 200 and three bitoric lens 300 settings arranged vertically, and the corresponding LED light source 200 of each bitoric lens 300 is arranged.
Each bitoric lens 300 has light guiding surface 320 and sizing face 310, and light guiding surface 320, towards LED light source 200, is designed to convex surface, and the light penetrated for LED light source 200 is injected; 310, sizing face and light guiding surface 320 are arranged on the contrary, and the light penetrated by LED light source 200 is crossed after the refraction in light guiding surface 320, sizing face 310, can penetrate sizing irradiated region.In addition, each bitoric lens 300 all has virtual lens optical axis I1, each LED light source 200 all has virtual center optical axis I, in this embodiment, each virtual lens optical axis I1 is parallel to each other, each virtual center optical axis I is also parallel to each other, and the extension line of each virtual lens optical axis I1 and virtual center optical axis I overlaps each other.Aforementioned each light guiding surface 320 and sizing face 310 have different radius of curvature, and each sizing face 310 also includes top-surface camber portion 311 and lower surface camber portion 312, virtual lens optical axis I1 is by top-surface camber portion 311 and the interfacial center line in lower surface camber portion 312, and the shape in top-surface camber portion 311 and lower surface camber portion 312 is asymmetric.
Refer to Fig. 6, Fig. 6 is the generalized section of the LED car lamp 120 with bitoric lens of an embodiment of the present utility model.As shown in the figure, the LED car lamp 120 of tool bitoric lens includes five LED light sources 200 and five bitoric lens 300, and the corresponding LED light source 200 of each bitoric lens 300 is arranged, and each LED light source 200 is electrically connected control unit 600.
In the present embodiment, only list especially and do not exist together with above-described embodiment, other identical or similarity no longer repeats.In five LED light sources 200, have the virtual center optical axis I of three LED light sources 200 parallel to each other, and the virtual center optical axis I of two other LED light source 200 is not parallel; Similarly, in five bitoric lens 300, there is the virtual lens optical axis I1 of three bitoric lens 300 parallel to each other, not parallel with the virtual lens optical axis I1 of two other bitoric lens 300, the sizing face 310 that face 310 is parallel with other and uneven two bitoric lens 300 are shaped has different radius of curvature.In more detail, in these five sizing faces 310, have two radius of curvature mutually the same, other three radius of curvature are mutually the same.Control unit 600 has two switches 610 and 620, when switch 610 is opened, only has part LED light source 200 to be energized shinny, and such as, three LED light sources 200 are opened, and two other LED light source 200 is closed.When switch 620 is opened, all LED light sources 200 are energized shinny.Whereby, the light type of the brightness and bright dipping that can change bright dipping changes.In other embodiments, each virtual center optical axis I's or virtual lens optical axis I1 is whether parallel, can change with demand, and the shinny number of LED light source 200 that control unit 600 controls and control mode and kenel also can be different.Such as control unit 600 can be intelligent automatic control unit, automatically can select a light on and off number of LED light source 200, or the kenel of switch can change touch panel switch etc. into, is not disclosed as limit with above-mentioned according to different environment and situation.
See also Fig. 7, Fig. 8 and Fig. 9, Fig. 7 is the top cross-sectional view of the LED car lamp 130 with bitoric lens of another embodiment of the present utility model, Fig. 8 is multiple bitoric lens 300 bright dipping distribution map of the utility model Fig. 7, and Fig. 9 is the LED car lamp 130 bright dipping light type that the schematic diagram of the utility model Fig. 8 has bitoric lens.As shown in the figure, the LED car lamp 130 with bitoric lens includes five LED light sources 200, luminous lens 400 and five bitoric lens 300, the corresponding LED light source 200 of each bitoric lens 300 is arranged, and each LED light source 200 is electrically connected a control unit 600.
In the present embodiment, only list especially and do not exist together with above-described embodiment, other identical or similarity no longer repeats, and in addition, in order to make accompanying drawing succinct, light is not shown in the figure 7.Five bitoric lens 300 and five bitoric lens 300 are horizontally arranged, and in five LED light sources 200, the virtual center optical axis I (as shown in Figure 5) of each LED light source 200 is not parallel each other; Similarly, in five bitoric lens 300, the virtual lens optical axis I1 of each bitoric lens 300 is not parallel each other, and each sizing face 310 all has different radius of curvature.The light penetrated by each LED light source 200 is crossed after the refraction in each light guiding surface 320, sizing face 310, the square type of several sizing irradiated regions 500 in parallel side-by-side of injection, as shown in Figure 8, sizing irradiated region 500 also can be square type or other given shape, can the design of bitoric lens be adjusted by demand and change, be not limited to aforementioned open.In addition, when light is further after luminous lens 400 outgoing, the light type 700 of corresponding sizing irradiated region can be obtained, as shown in Figure 9.To pay special attention at this be, shown in the present embodiment example for being only the one in various light type, can not be used for limiting to scope of the present utility model.
From above-mentioned embodiment, the utility model has following advantages:
One, LED light source collocation bitoric lens, can have the effect of secondary optics, by the design of bitoric lens, as the change of the face types such as radius of curvature, male and female face, aspheric surface, more easily can reach the design of demand light type.During further collocation luminous lens, the light type better effects if of last bright dipping can be allowed.
Two, the sizing face of lens curved surface lens is designed with upper and lower curved face part, can reach finer bright dipping change, contribute to designing more complicated light type, be particularly advantageous in the design of asymmetric light type.
Three, when having multiple LED light source and bitoric lens, can improve the brightness of bright dipping, and be configured by the position of each LED light source and bitoric lens, variable dissolving different goes out Light distribation.
Four, last, control the secretly bright of LED light source by control unit, brightness and the scope of bright dipping can be controlled, and can be used as the switching of far and near lamp.
Although this is novel with embodiment openly as above; so it is not intended to limit the utility model; any those skilled in the art; not departing from spirit and scope of the present utility model; can do various different selection and amendment, therefore protection domain of the present utility model limited by claims and equivalents thereof.
Claims (13)
1. there is a LED car lamp for bitoric lens, it is characterized in that, described in there is bitoric lens LED car lamp comprise:
At least one LED light source;
Luminous lens; And
At least one bitoric lens, it is arranged between described LED light source and described luminous lens, and described bitoric lens comprises:
Light guiding surface, it is towards described LED light source; And
Sizing face, it is towards described luminous lens, and the light that described LED light source sends penetrates sizing irradiated region behind described light guiding surface, described sizing face.
2. have the LED car lamp of bitoric lens as claimed in claim 1, it is characterized in that, described light guiding surface is different from the radius of curvature in described sizing face.
3. have the LED car lamp of bitoric lens as claimed in claim 2, it is characterized in that, described light guiding surface and described sizing face are all convex surface.
4. have the LED car lamp of bitoric lens as claimed in claim 3, it is characterized in that, in described light guiding surface and described sizing face, at least one face is aspheric surface.
5. have the LED car lamp of bitoric lens as claimed in claim 4, it is characterized in that, described luminous lens has a plane towards described bitoric lens, and a convex surface arranged on the contrary with described plane, and described convex surface is aspheric surface.
6. there is a LED car lamp for bitoric lens, it is characterized in that, described in there is bitoric lens LED car lamp comprise:
Multiple LED light source; And
Multiple bitoric lens, it is corresponding with described multiple LED light source is arranged, and each described bitoric lens comprises:
Light guiding surface, it is towards described multiple LED light source; And
Sizing face, it is contrary with described light guiding surface is arranged, and the light that each described LED light source sends penetrates sizing irradiated region after corresponding described light guiding surface and described sizing face.
7. have the LED car lamp of bitoric lens as claimed in claim 6, it is characterized in that, each described LED light source has virtual center optical axis respectively, and part described virtual center optical axis is parallel to each other, and part is not parallel.
8. have the LED car lamp of bitoric lens as claimed in claim 6, it is characterized in that, each described bitoric lens has virtual lens optical axis respectively, and part described virtual lens optical axis is parallel to each other, and part is not parallel.
9. there is the LED car lamp of bitoric lens as claimed in claim 6, it is characterized in that, in each described sizing face, at least partly there is different curvature radius.
10. have the LED car lamp of bitoric lens as claimed in claim 6, it is characterized in that, each described sizing face has top-surface camber portion and lower surface camber portion respectively, asymmetric with each described lower surface camber portion at least partially in each described top-surface camber portion.
11. LED car lamp as claimed in claim 6 with bitoric lens, it is characterized in that, light guiding surface described in each is different from the radius of curvature in face of shaping described in each.
12. LED car lamp as claimed in claim 11 with bitoric lens, it is characterized in that, described multiple sizing irradiated region is long ellipse or the square type of parallel side-by-side.
13. LED car lamp as claimed in claim 6 with bitoric lens, is characterized in that, described in there is bitoric lens LED car lamp also comprise each described LED light source of control unit electrical connection, the described LED light source of part can controlledly be closed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520121016.8U CN204420812U (en) | 2015-03-02 | 2015-03-02 | There is the LED car lamp of bitoric lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121016.8U CN204420812U (en) | 2015-03-02 | 2015-03-02 | There is the LED car lamp of bitoric lens |
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| CN204420812U true CN204420812U (en) | 2015-06-24 |
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| CN201520121016.8U Expired - Fee Related CN204420812U (en) | 2015-03-02 | 2015-03-02 | There is the LED car lamp of bitoric lens |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555971A (en) * | 2016-11-30 | 2017-04-05 | 武汉通畅汽车电子照明有限公司 | The integrated auxiliary lamp module of key light lamp and car headlamp |
| CN108105714A (en) * | 2018-01-11 | 2018-06-01 | 黄海清 | A kind of double nearly high beams of optical lens LED |
| CN108131639A (en) * | 2016-11-30 | 2018-06-08 | 隆达电子股份有限公司 | Lens array, car light lens group and car light assembly |
| CN109611789A (en) * | 2018-11-14 | 2019-04-12 | 长春汽富维海拉车灯有限公司 | A kind of long light guide penetration type signal lamp device of automobile based on LED light source |
| CN110469819A (en) * | 2018-05-11 | 2019-11-19 | 长春海拉车灯有限公司 | It is a kind of for the lens of car light, design method and with the car light of the lens |
-
2015
- 2015-03-02 CN CN201520121016.8U patent/CN204420812U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555971A (en) * | 2016-11-30 | 2017-04-05 | 武汉通畅汽车电子照明有限公司 | The integrated auxiliary lamp module of key light lamp and car headlamp |
| CN108131639A (en) * | 2016-11-30 | 2018-06-08 | 隆达电子股份有限公司 | Lens array, car light lens group and car light assembly |
| CN108105714A (en) * | 2018-01-11 | 2018-06-01 | 黄海清 | A kind of double nearly high beams of optical lens LED |
| CN110469819A (en) * | 2018-05-11 | 2019-11-19 | 长春海拉车灯有限公司 | It is a kind of for the lens of car light, design method and with the car light of the lens |
| CN110469819B (en) * | 2018-05-11 | 2021-07-09 | 长春海拉车灯有限公司 | Lens for vehicle lamp, design method and vehicle lamp with lens |
| CN109611789A (en) * | 2018-11-14 | 2019-04-12 | 长春汽富维海拉车灯有限公司 | A kind of long light guide penetration type signal lamp device of automobile based on LED light source |
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