CN113280305A - High beam and low beam integrated headlamp - Google Patents
High beam and low beam integrated headlamp Download PDFInfo
- Publication number
- CN113280305A CN113280305A CN202110568349.5A CN202110568349A CN113280305A CN 113280305 A CN113280305 A CN 113280305A CN 202110568349 A CN202110568349 A CN 202110568349A CN 113280305 A CN113280305 A CN 113280305A
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- China
- Prior art keywords
- low
- light
- led chip
- lens
- reflection
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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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
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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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
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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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
- F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
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- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A high-beam and low-beam integrated headlamp comprises a lamp body, an LED substrate, a first LED chip, a first reflector, a second LED chip, a second reflector and a lens; a multifunctional light barrier is arranged in front of the LED substrate, a low-beam forming surface for forming a low-beam light type is arranged on the top surface of the multifunctional light barrier, and emergent light rays of the first LED chip are reflected by the first reflecting cover, blocked by the low-beam forming surface and refracted by the lens in sequence to form the low-beam light type; the bottom surface of multi-functional barn door is equipped with the plane of reflection on curved surface or inclined plane, and the emergent ray of second LED chip forms central facula after the reflection of second bowl, plane of reflection and the refraction of lens in proper order, and the low beam type combines with central facula to form the high beam type. Utilize original barn door, process in the bottom of barn door and form the plane of reflection for the spotlight effect can be strengthened behind this plane of reflection to the light of second LED light source, remedies the not enough problem of low beam type central light intensity.
Description
Technical Field
The invention relates to a car lamp, in particular to a high-beam and low-beam integrated headlamp.
Background
The conventional vehicle headlamp has to have both a high beam irradiation function and a low beam irradiation function, and also has a design of integrating high beams and low beams in the LED headlamp, for example, a general LED headlamp disclosed as CN105135317B comprises a light blocking mechanism, wherein the light blocking mechanism comprises a first light blocking sheet for forming a left driving low beam, a second light blocking sheet for forming a right driving low beam, a driving mechanism for driving the light blocking sheet to overturn and form the high beam, and a switching mechanism for switching the use states of the two light blocking sheets, wherein a limiting hole is formed in the first light blocking sheet, a limiting plate is arranged at the limiting hole on the second light blocking sheet, the limiting plate passes through the limiting hole, and the top surface of the limiting plate is an inclined surface; the switching mechanism comprises a limiting hole in the first light blocking sheet, a limiting plate matched with the limiting hole in the second light blocking sheet, grooves formed in two sides of the second light blocking sheet and a shifting rod, the shifting rod is hinged to the mounting plate, one end of the shifting rod extends into the grooves, and the second light blocking sheet is turned over by shifting the other end of the shifting rod. The headlamp realizes switching of far and near light by driving the light blocking sheet, and has the advantages of complex structure, high assembly difficulty, low reliability and increased product cost.
Disclosure of Invention
The invention aims to provide a high-beam and low-beam integrated headlamp and solve the technical problems in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: a high beam and low beam integrated headlamp comprises a lamp body, an LED substrate arranged on the lamp body, a first LED chip arranged on the top surface of the LED substrate, a first reflector matched with the first LED chip, a second LED chip arranged on the bottom surface of the LED substrate, a second reflector matched with the second LED chip and a lens; a multifunctional light barrier is arranged in front of the LED substrate, a low-beam forming surface for forming a low-beam type is arranged on the top surface of the multifunctional light barrier, and emergent light rays of the first LED chip are reflected by the first reflecting cover, blocked by the low-beam forming surface and refracted by the lens in sequence to form the low-beam type; the bottom surface of multi-functional barn door is equipped with the plane of reflection on curved surface or inclined plane, and the emergent light of second LED chip forms central facula after the reflection of second bowl, plane of reflection and the refraction of lens in proper order, and low beam type combines with central facula to form the high beam type. The principle of the invention is as follows: the reflection surface is processed and formed at the bottom of the light barrier by utilizing the original light barrier, so that the light condensing effect can be enhanced after the light of the second LED light source passes through the reflection surface, the problem of insufficient central light intensity of a low-beam light type is solved, and a high-beam light type is realized; the structure is simple, the assembly difficulty is small, the reliability is high, and the cost is low.
As an improvement, two sides of the front end of the lamp body extend forwards to form fork arms, and the multifunctional reflecting plate is arranged between the two fork arms.
As an improvement, be equipped with reference column and screw hole on the yoke, be equipped with on the multi-functional barn door with reference column complex locating hole and the mounting hole that corresponds with the screw hole, multi-functional barn door passes through the screw fixation on the yoke.
As an improvement, a lens seat is arranged at the front end of the fork arm, and the lens is fixed on the lens seat.
As an improvement, the reflecting surface is provided with an electroplated layer.
As an improvement, the design method of the reflecting surface comprises the following steps: knowing the diameter K of the lens, the focal length K1 and the distance K2 between the second LED chip and the focal point, the light-condensing target is irradiated to the middle according to the light-emitting direction of the target light L1; then, the reflecting surface is calculated according to the law of refraction and reflection.
Compared with the prior art, the invention has the following beneficial effects:
the reflection surface is processed and formed at the bottom of the light barrier by utilizing the original light barrier, so that the light condensing effect can be enhanced after the light of the second LED light source passes through the reflection surface, the problem of insufficient central light intensity of a low-beam light type is solved, and a high-beam light type is realized; the structure is simple, the assembly difficulty is small, the reliability is high, and the cost is low.
Drawings
Fig. 1 is an exploded view I of the present invention.
Fig. 2 is an exploded view II of the present invention.
Fig. 3 is a diagram of a central condensing light path.
Fig. 4 is a high beam optical path diagram.
Fig. 5 is a bottom schematic view of the multifunctional light barrier.
Fig. 6 is a central spot plot.
Fig. 7 is a high beam spot diagram.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the high beam and low beam integrated headlamp comprises a lamp body 1, an LED substrate 2 arranged on the lamp body 1, a first LED chip 3 arranged on the top surface of the LED substrate 2, a first reflector 4 matched with the first LED chip 3, a second LED chip 9 arranged on the bottom surface of the LED substrate 2, a second reflector 8 matched with the second LED chip 9, a lens 6, and a multifunctional light barrier 5 arranged in front of the LED substrate 2.
As shown in fig. 3 and 4, the multifunctional light barrier 5 is an aluminum alloy plate, one side of the multifunctional light barrier 5 facing the LED substrate 2 is straight, and one side facing the lens 6 is arc-shaped; the top surface of the multifunctional light barrier 5 is provided with a low-beam forming surface for forming a low-beam light type, the bottom surface of the multifunctional light barrier 5 is provided with a reflecting surface with a curved surface or an inclined surface, the low-beam forming surface and the reflecting surface are both formed by surface processing or stamping, and in order to improve the reflecting effect of the reflecting surface, an electroplated layer can be added on the surface of the reflecting surface after the reflecting surface is formed; the emergent light of the first LED chip 3 is reflected by the first reflector 4, blocked by the low-beam forming surface and refracted by the lens 6 in sequence to form a low-beam type; the emergent light of second LED chip 9 forms central facula after the reflection of second bowl 8, the reflection of plane of reflection and the refraction of lens 6 in proper order, and the low beam type combines with central facula to form the high beam type. The design method of the reflecting surface comprises the following steps: knowing the diameter K and the focal length K1 of the lens 6 and the distance K2 between the second LED chip 9 and the focal point, the light-condensing target is irradiated to the middle according to the light-emitting direction of the target light L1; then, the reflecting surface is calculated according to the law of refraction and reflection.
As shown in fig. 1, two sides of the front end of the lamp body 1 extend forward to form two forks 7, and the multifunctional reflector is arranged between the two forks 7; be equipped with reference column and screw hole on the yoke 7, be equipped with on the multi-functional barn door 5 with reference column complex locating hole and the mounting hole that corresponds with the screw hole, multi-functional barn door 5 passes through the screw fixation on yoke 7. The front end of the fork arm 7 is provided with a lens seat, and the lens 6 is fixed on the lens seat.
The principle of the invention is as follows: as shown in fig. 6 and 7, a reflection surface is formed at the bottom of the light barrier by using the original light barrier, so that the light of the second LED light source can be condensed by passing through the reflection surface, and the problem of insufficient central light intensity of the low beam type is solved, thereby realizing the high beam type; the structure is simple, the assembly difficulty is small, the reliability is high, and the cost is low.
Claims (6)
1. A high beam and low beam integrated headlamp comprises a lamp body, an LED substrate arranged on the lamp body, a first LED chip arranged on the top surface of the LED substrate, a first reflector matched with the first LED chip, a second LED chip arranged on the bottom surface of the LED substrate, a second reflector matched with the second LED chip and a lens; the method is characterized in that: a multifunctional light barrier is arranged in front of the LED substrate, a low-beam forming surface for forming a low-beam type is arranged on the top surface of the multifunctional light barrier, and emergent light rays of the first LED chip are reflected by the first reflecting cover, blocked by the low-beam forming surface and refracted by the lens in sequence to form the low-beam type; the bottom surface of multi-functional barn door is equipped with the plane of reflection on curved surface or inclined plane, and the emergent light of second LED chip forms central facula after the reflection of second bowl, plane of reflection and the refraction of lens in proper order, and low beam type combines with central facula to form the high beam type.
2. The high and low beam integrated headlamp according to claim 1, wherein: the multifunctional reflector is characterized in that two sides of the front end of the lamp body extend forwards to form fork arms, and the multifunctional reflector is arranged between the two fork arms.
3. The high and low beam integrated headlamp according to claim 2, wherein: be equipped with reference column and screw hole on the yoke, be equipped with on the multi-functional barn door with reference column complex locating hole and the mounting hole that corresponds with the screw hole, multi-functional barn door passes through the screw fixation on the yoke.
4. The high and low beam integrated headlamp according to claim 2, wherein: the front end of the fork arm is provided with a lens seat, and the lens is fixed on the lens seat.
5. The high and low beam integrated headlamp according to claim 1, wherein: the reflecting surface is provided with an electroplated layer.
6. The high and low beam integrated headlamp according to claim 1, wherein: the design method of the reflecting surface comprises the following steps: knowing the diameter K of the lens, the focal length K1 and the distance K2 between the second LED chip and the focal point, the light-condensing target is irradiated to the middle according to the light-emitting direction of the target light L1; then, the reflecting surface is calculated according to the law of refraction and reflection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110568349.5A CN113280305A (en) | 2021-05-25 | 2021-05-25 | High beam and low beam integrated headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110568349.5A CN113280305A (en) | 2021-05-25 | 2021-05-25 | High beam and low beam integrated headlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113280305A true CN113280305A (en) | 2021-08-20 |
Family
ID=77281210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110568349.5A Pending CN113280305A (en) | 2021-05-25 | 2021-05-25 | High beam and low beam integrated headlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113280305A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423685A (en) * | 2012-05-17 | 2013-12-04 | 奥斯兰姆施尔凡尼亚公司 | Vehcile headlamp with both low-beam and high-beam and devoid of moving parts |
| CN104595823A (en) * | 2014-12-22 | 2015-05-06 | 郑州科仪科贸有限公司 | Distant-near light integrated illumination component |
-
2021
- 2021-05-25 CN CN202110568349.5A patent/CN113280305A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423685A (en) * | 2012-05-17 | 2013-12-04 | 奥斯兰姆施尔凡尼亚公司 | Vehcile headlamp with both low-beam and high-beam and devoid of moving parts |
| CN104595823A (en) * | 2014-12-22 | 2015-05-06 | 郑州科仪科贸有限公司 | Distant-near light integrated illumination component |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210820 |