CN106764802A - Automotive LED headlamp with combined type optical lens - Google Patents
Automotive LED headlamp with combined type optical lens Download PDFInfo
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- CN106764802A CN106764802A CN201611252685.4A CN201611252685A CN106764802A CN 106764802 A CN106764802 A CN 106764802A CN 201611252685 A CN201611252685 A CN 201611252685A CN 106764802 A CN106764802 A CN 106764802A
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- 239000007924 injection Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to a kind of automotive LED headlamp with combined type optical lens, it includes combined type optical lens and the LED light source located at combined type optical lens light inlet, the combined type optical lens is laminated including four lens, and lens D, lens C, lens B, lens A are included successively by bottom surface to top surface；Wherein, lens D, lens C, lens B are substantially in round table-like structure, the substantially spherical shape structures of lens A, after light is by bottom surface incidence, respectively α, β, γ, δ are respectively by lens D, lens C, lens B, the light of lens A side outgoing with horizontal angle, wherein, Δ (β α)=43.45~24.14 degree, Δ (γ β)=56.53~43.45, Δ (δ γ)=70.5~56.53 degree, δ are 90~70.5 degree.The present invention can effective control targe facular area width range.
Description
Technical field
The present invention relates to a kind of automotive LED headlamp with combined type optical lens.
Background technology
Automotive LED headlamp technology has been carried out application, and domestic and international some larger automobile factorys are in part higher configured vapour
Installed and used on car, achieve preferable illuminating effect, advantage is that energy-saving effect is bright compared with Halogen lamp LED, gas-discharge lamp (HID)
It is aobvious.Current power-type LED device is progressively ripe, and luminous efficiency is significantly improved, and may apply to auto lamp security requirement High-Field
Close, but LED light source is compared with conventional bulb, and its optical principle is different, therefore, LED is in car headlamp using by pole
Big limitation, mainly LED light source generation hot spot can not be completely corresponding with bulb hot spot, also just says it is not solve LED thoroughly also
Optical problem.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided it is a kind of can effective control targe facular area width
The automotive LED headlamp with combined type optical lens of scope.
To reach above-mentioned purpose, a kind of automotive LED headlamp with combined type optical lens, it includes combined type optics
Lens and the LED light source located at combined type optical lens light inlet, the combined type optical lens is including four lens stackings
Into by bottom surface to top surface successively including lens D, lens C, lens B, lens A；Wherein, lens D, lens C, lens B are substantially in circle
Mesa-shaped structure, the substantially spherical shape structures of lens A, after light is by bottom surface incidence, respectively by lens D, lens C, lens B, lens A
The light of side outgoing is respectively α, β, γ, δ with horizontal angle, wherein, Δ (β-α)=43.45~24.14 degree, Δ
(γ-β)=56.53~43.45, Δ (δ-γ)=70.5~56.53 degree, δ are 90~70.5 degree.
5~7.7mm of lens A thickness；6~7.9mm of lens B thickness；6~8.7mm of lens C thickness；Lens D thickness 6~
9.7mm；LED light source is with combined type optical lens apart from 3~5mm of H spans.
After light is by bottom surface incidence, when projecting 25 meters of distance by lens A, overall hot spot is presented half elliptic, and this
2 meters of the left half-sections major semiaxis of hot spot, 1 meter of semi-minor axis, 4 meters of right half-sections major semiaxis, 1 meter of semi-minor axis, and also project upwards
250 millimeters.
After light is by bottom surface incidence, when projecting 25 meters of distance by the transversary of lens B, outside the annulus hot spot of formation
4 meters of diameter dimension, 2 meters of hot spot inner diameter size；When projecting 25 meters of distance by the vertical structure of lens B, semiellipse is formed
Shape hot spot, 4 meters of hot spot major axis dimension, 2 meters of hot spot minor axis dimension.
After light is by bottom surface incidence, when projecting 25 meters of distance by the transversary of lens C, outside the annulus hot spot of formation
6 meters of diameter dimension, 4 meters of hot spot inner diameter size；When projecting 25 meters of distance by the vertical structure of lens C, semiellipse is formed
Shape hot spot, 6 meters of hot spot major axis dimension, 3 meters of hot spot minor axis dimension.
After light is by bottom surface incidence, when projecting 25 meters of distance by the transversary of lens D, outside the annulus hot spot of formation
8 meters of diameter dimension, 6 meters of hot spot inner diameter size；When projecting 25 meters of distance by the vertical structure of lens D, semiellipse is formed
Shape hot spot, 8 meters of hot spot major axis dimension, 4 meters of hot spot minor axis dimension.
Compared with prior art, the beneficial effects of the invention are as follows：
Effect of the invention is that automotive LED headlamp uses combined type optical lens, and (1) is conducive to dipped headlight and high beam
Design and debugging, save LED light source and emit beam using complicated theoretical calculation, and data volume is huge, due to LED hairs
The complexity of light curve, and accurate optical numerical value can not be accessed.(2) design and manufacture optics of LED headlamps are caused
Lens are simplified.(3) present invention employs optical lens side adjustment method so that the good minimum angles of maximum angle are determined in advance
Numerical value is determined, and when projecting 25 meters by light, hot spot scope calculating optical lens refraction angle in turn so that manufacture becomes
It is feasible, accurate to change.(4) present invention uses independent optical lens A, with luminous flux is big and precise control feature, realizes center light
Shape of spot, is half-oval shaped, and right side protrudes shape.
Brief description of the drawings
Fig. 1 is optical lens group figure of the invention.
Fig. 2 is optical lens group 3D structure charts of the invention.
Fig. 3-1 is optical lens A top views of the invention.
Fig. 3-2 is the 3D structure charts of optical lens A of the invention.
Fig. 3-3 is optical schematic diagram of the invention.
Fig. 4-1 is optical lens B top views of the invention.
Fig. 4-2 is the 3D structure charts of optical lens B of the invention.
Fig. 4-3 is optical schematic diagram of the invention.
Fig. 5-1 is optical lens C top views of the invention.
Fig. 5-2 is the 3D structure charts of optical lens C of the invention.
Fig. 5-3 is optical schematic diagram of the invention.
Fig. 6-1 is optical lens D top views of the invention.
Fig. 6-2 is the 3D structure charts of optical lens D of the invention.
Fig. 6-3 is optical schematic diagram of the invention.
Fig. 7 is car headlamp light spot shape schematic diagram of the invention.
Fig. 8 is the remote illuminator light spot shape schematic diagram of automobile of the invention.
Specific embodiment
With reference to specific embodiment, the present invention is further illustrated.Wherein, being for illustration only property of accompanying drawing explanation,
What is represented is only schematic diagram, rather than pictorial diagram, it is impossible to be interpreted as the limitation to this patent；In order to reality of the invention is better described
Apply example, accompanying drawing some parts have omission, zoom in or out, and do not represent the size of actual product；To those skilled in the art
For, some known features and its explanation may be omitted and will be understood by accompanying drawing.
The same or analogous part of same or analogous label correspondence in the accompanying drawing of the embodiment of the present invention；Retouched of the invention
In stating, it is to be understood that if having term " on ", D score, the orientation of the instruction such as "left", "right" or position relationship be based on accompanying drawing
Shown orientation or position relationship, are for only for ease of and describe of the invention and simplify description, signified rather than instruction or hint
Device or element must be with specific orientation, with specific azimuth configuration and operation, therefore position relationship described in accompanying drawing
Term being for illustration only property explanation, it is impossible to be interpreted as the limitation to this patent, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
Embodiment
The design and adjustment method of optical lens A：
1. LED light source is placed at H, is set plane on lens and is divided into four groups, that is, have curved surface 10, curved surface 11, curved surface 12 and song
Face 13, LED light source emits beam the 6 and angulation δ of light 61.
2. light debugging, light 6 and light 61 incide lens D baseplanes and enter lens first, and sky is shone on surface
In gas, incide lens C baseplanes and enter lens, in surface shines air, incide lens B baseplanes and enter lens,
In surface shines air, lens A baseplanes 14 are incided afterwards, and entered in lens A through superrefraction, in lens surface
Injection gets into the air, and produces refraction angle.
3. optical lens A curved surfaces are designed, (1) causes that light 6 and light 61 are projected when at 25 meters of distance, overall hot spot is in
(2) existing half elliptic, 2 meters of major axis radius size, 1 meter of minor axis dimension debugs curved surface 10, and surface emergent ray projects curved surface
DOCD scopes, (3) debug curved surface 11, and surface emergent ray projects curved surface DOCD scopes, (4) debug curved surface 12 and curved surface 13, table
Face emergent ray projects curved surface OABH ' CO scopes, (5) in hot spot, right side extrusions light splitting spot, i.e. curved surface OABH ' IGMO models
Enclose for car headlamp keep to the right when, dipped headlight hot spot standard requirement shape, wherein, DO be 2 meters, OC be 1 meter, OH' is 4
Rice, the height of AB is 250 millimeters.
4. LED light source places H places, light 6 and horizontal line angulation δ, δ=90~70.5 degree, and lens thickness 5~
7.7mm。
The design and adjustment method of optical lens B：
1. LED light source is placed at H, and it is absorbing surface to set plane 19 on lens, i.e., do not debug the optical property of plane 19,
LED light source emits beam 6 and light 7, light 61 and light 71, light 6 and the angulation γ of light 7.
2. light debugging, light 6, light 7, light 61 and light 71 incide lens D baseplanes and enter lens first,
In surface shines air, incide lens C baseplanes and enter lens, in surface shines air, incide afterwards
Mirror baseplane 20, and enter in lens B through superrefraction, projected in lens profile and got into the air, and produce refraction angle.
3. LED light source 1 is placed into air, it is determined that after light 6 and light 7, light 61 and light 71, using the side of retrodicting
Method calculates the refraction angle that light is incided in lens B, then calculates injection optical lens angle, you can to determine the curved surface of lens
15th, curved surface 16, curved surface 17, the shape of curved surface 18.
4. optical lens B transversaries are designed, when light is projected at 25 meters of distance so that light 7 and light 71 pairs
Overall diameter EG is answered to justify interior, outside light 6 and the corresponding overall diameter DM annulus of light 61,2 meters of hot spot inner diameter size, hot spot overall diameter chi
Very little 4 meters.Transversary refers to the curved surface of X-direction.
5. optical lens B vertical structures are designed, curved surface 15 and curved surface 18 is designed so that reduces curved surface pair close to Y-axis part
The refraction angle of light, adjustment light projects curved surface EDCMGJE scopes, light projection into the light of curved surface 15, curved surface 18
During to 25 meters of distance, half elliptic hot spot is formed, wherein, 4 meters of size between EG, 2 meters of size between OC.Vertical structure is referred to
The curved surface of Y direction.
6. LED light source places H places, light 6 and horizontal line angulation δ, light 7 and horizontal line angulation γ, Δ (δ-
γ)=70.5~56.53 degree, 6~7.9mm of lens thickness.
The design and adjustment method of optical lens C：
1. LED light source is placed at H, and it is absorbing surface to set plane 21 on lens, i.e., do not debug the optical property of plane 21,
LED light source emits beam 7 and light 8, light 71 and light 81, light 7 and the angulation β of light 8.
2. light debugging, the baseplane that light 7, light 8, light 71 and light 81 incide lens D first enters lens,
In surface 21 shines air, lens C baseplanes 26 are incided afterwards, and entered in lens C through superrefraction, in lens side
Face is projected and is got into the air, and produces second refraction.
3. LED light source 1 is placed into air, it is determined that after light 7 and light 8, light 71 and light 81, using the side of retrodicting
Method calculates the refraction angle that light is incided in lens C, then calculates injection optical lens angle, you can to determine the curved surface of lens
22nd, curved surface 23, curved surface 24, the shape of curved surface 25.
4. optical lens C transversaries are designed, when light is projected at 25 meters of distance so that light 8 and light 81 pairs
Answer in overall diameter FI ' circles, outside light 7 and the corresponding overall diameter EG annulus of light 71,4 meters of hot spot inner diameter size, hot spot overall diameter
6 meters of size.
5. optical lens C vertical structures are designed, curved surface 22 and curved surface 25 is designed so that reduces curved surface pair close to Y-axis part
The refraction angle of light, adjustment light projects curved surface FEJGIKF scopes, light projection into the light of curved surface 22, curved surface 25
During to 25 meters of distance, half elliptic hot spot is formed, wherein, 6 meters of size between FI, 3 meters of size between OL.
6. LED light source places H places, light 7 and horizontal line angulation γ, and light 8 and horizontal line angulation β, Δ
(γ-β)=56.53~43.45,6~8.7mm of lens thickness.
The design and adjustment method of optical lens D：
1. LED light source places H fixed dimensions below optical lens D, and it is absorbing surface to set plane 27 on lens, i.e., uncomfortable
The optical property of plane 27 in examination, LED light source emits beam 8 and light 9, light 81 and light 91,9 angulations of light 8 and light
Degree α.
2. light debugging, light 8, light 9, light 81 and light 91 incide lens baseplane 32, and enter lens D
It is middle to produce and reflect for the first time through superrefraction, projected in lens profile and got into the air, and generation is reflected for second.
3. LED light source 1 is placed into air, it is determined that after light 8 and light 9, light 81 and light 91, using the side of retrodicting
Method calculates the refraction angle that light is incided in lens D, then calculates injection optical lens angle, you can to determine the curved surface of lens
28th, curved surface 29, curved surface 30, the shape of curved surface 31.
4. optical lens D transversaries are designed, when light is projected at 25 meters of distance so that light 9 and light 91 pairs
Overall diameter HH is answered to justify interior, 8 meters of outer diameter dimension, outside light 8 and the corresponding overall diameter FI annulus of light 81,6 meters of inner diameter size.
5. optical lens structure method is adjusted in y-axis plane, LED light source emits beam 33 and light 34, the He of light 35
Light 36, determines light light 33 and light 34 so that light is projected at 25 meters, hot spot curved surface HFKIH ' LH scopes.
6. optical lens D vertical structures are designed, curved surface 28 and curved surface 31 is designed so that reduces curved surface pair close to Y-axis part
The refraction angle of light, adjustment light projects curved surface HFKIH ' LH scopes, light projection into the light of curved surface 28, curved surface 31
During to 25 meters of distance, half elliptic hot spot is formed, wherein, 8 meters of size between HH ', 4 meters of size between OL.
7. LED light source places H 3~5mm of span, light 8 and horizontal line angulation β, light 9 and horizontal line institute into
Angle [alpha], Δ (β-α)=43.45~24.14 degree, 6~9.7mm of lens thickness.
Automobile dipped headlight lens manufacturing method and its automobile dipped headlight：
Automobile dipped headlight is made up of LED light source, optical lens group, wherein, optical lens group is by optical lens A, optical lens
Mirror B, optical lens C and optical lens D are constituted, and LED light source uses 15 watts, luminous flux 1200~1500 (lm), high beam reality
Luminous flux is more than 1000 (lm).
Dazzle light lens manufacturing method and its dazzle light：
1. according to LED automobile dipped headlight adjustment method, dazzle light can be debugged, that is, debugs optical lens A, optical lens
Mirror B, optical lens C and optical lens D.
2. when lens A is debugged, according to debugging curved surface 10 and the method for curved surface 11, curved surface 12 and curved surface 13 are debugged, that is, is formed
New high beam optical lens I, its oval hot spot C for producingaDaNaMaCaShape,
3. when optical lens B is debugged, according to debugging curved surface 16 and the method for curved surface 17, curved surface 15 and curved surface 18 are debugged, i.e.,
New high beam optical lens II is formed, the ring-shaped light spot that it is produced is by outer annular surface JaEaPaGaJa, annular curved surface
CaDaNaMaCaConstitute,
4. when optical lens C is debugged, according to debugging curved surface 23 and the method for curved surface 23, curved surface 22 and curved surface 25 are debugged, i.e.,
New high beam optical lens III is formed, the ring-shaped light spot that it is produced is by outer annular surface KaFaQaIaKa, annular curved surface
JaEaPaGaJaConstitute.
5. when optical lens D is debugged, according to debugging curved surface 29 and the method for curved surface 30, curved surface 28 and curved surface 31 are debugged, i.e.,
New high beam optical lens IV is formed, the ring-shaped light spot that it is produced is by outer annular surface LaHaAaHa’La, annular curved surface
KaFaQaIaKaConstitute.
6. dazzle light is made up of LED light source, optical lens group, wherein, optical lens group is by optical lens I, optics
Lens II, optical lens III and optical lens IV are constituted, and LED light source uses 15 watts, luminous flux 1200~1500 (lm), distance light
Lamp actual luminous flux is more than 1000 (lm).
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to be exhaustive to all of implementation method.It is all this
Any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. a kind of automotive LED headlamp with combined type optical lens, it is characterised in that including combined type optical lens and set
In the LED light source of combined type optical lens light inlet, the combined type optical lens is laminated including four lens, by bottom surface
Include lens D, lens C, lens B, lens A successively to top surface；Wherein, lens D, lens C, lens B are substantially in round table-like structure,
The substantially spherical shape structures of lens A, after light is by bottom surface incidence, respectively by lens D, lens C, lens B, lens A side outgoing
Light be respectively α, β, γ, δ with horizontal angle, wherein, Δ (β-α)=43.45~24.14 degree, Δ (γ-β)=
56.53~43.45, Δ (δ-γ)=70.5~56.53 degree, δ are 90~70.5 degree.
2. the automotive LED headlamp with combined type optical lens according to claim 1, it is characterised in that lens A is thick
5~7.7mm of degree.
3. the automotive LED headlamp with combined type optical lens according to claim 1, it is characterised in that lens B is thick
6~7.9mm of degree.
4. the automotive LED headlamp with combined type optical lens according to claim 1, it is characterised in that lens C is thick
6~8.7mm of degree.
5. the automotive LED headlamp with combined type optical lens according to claim 1, it is characterised in that lens D is thick
6~9.7mm of degree.
6. the automotive LED headlamp with combined type optical lens according to claim 1, it is characterised in that LED light source
With combined type optical lens apart from 3~5mm of H spans.
7. the automotive LED headlamp with combined type optical lens according to claim 1, it is characterised in that light by
After the incidence of bottom surface, when projecting 25 meters of distance by lens A, overall hot spot presentation half elliptic, and the left half-sections of the hot spot
2 meters of major semiaxis, 1 meter of semi-minor axis, 4 meters of right half-sections major semiaxis, 1 meter of semi-minor axis, and also project upwards 250 millimeters.
8. the automotive LED headlamp with combined type optical lens according to claim 1, it is characterised in that light by
After the incidence of bottom surface, when projecting 25 meters of distance by the transversary of lens B, 4 meters of the annulus hot spot outer diameter dimension of formation, light
2 meters of spot inner diameter size；When projecting 25 meters of distance by the vertical structure of lens B, half elliptic hot spot, hot spot major axis are formed
4 meters of size, 2 meters of hot spot minor axis dimension.
9. the automotive LED headlamp with combined type optical lens according to claim 1, it is characterised in that light by
After the incidence of bottom surface, when projecting 25 meters of distance by the transversary of lens C, 6 meters of the annulus hot spot outer diameter dimension of formation, light
4 meters of spot inner diameter size；When projecting 25 meters of distance by the vertical structure of lens C, half elliptic hot spot, hot spot major axis are formed
6 meters of size, 3 meters of hot spot minor axis dimension.
10. the automotive LED headlamp with combined type optical lens according to claim 1, it is characterised in that light by
After the incidence of bottom surface, when projecting 25 meters of distance by the transversary of lens D, 8 meters of the annulus hot spot outer diameter dimension of formation, light
6 meters of spot inner diameter size；When projecting 25 meters of distance by the vertical structure of lens D, half elliptic hot spot, hot spot major axis are formed
8 meters of size, 4 meters of hot spot minor axis dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252685.4A CN106764802A (en) | 2016-12-30 | 2016-12-30 | Automotive LED headlamp with combined type optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252685.4A CN106764802A (en) | 2016-12-30 | 2016-12-30 | Automotive LED headlamp with combined type optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106764802A true CN106764802A (en) | 2017-05-31 |
Family
ID=58928578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611252685.4A Pending CN106764802A (en) | 2016-12-30 | 2016-12-30 | Automotive LED headlamp with combined type optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106764802A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941825A (en) * | 2021-02-15 | 2022-08-26 | 大众汽车股份公司 | Method for configuring a headlamp system for a vehicle |
-
2016
- 2016-12-30 CN CN201611252685.4A patent/CN106764802A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941825A (en) * | 2021-02-15 | 2022-08-26 | 大众汽车股份公司 | Method for configuring a headlamp system for a vehicle |
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Application publication date: 20170531 |