CN108626676B - Projection lamp module for vehicle - Google Patents
Projection lamp module for vehicle Download PDFInfo
- Publication number
- CN108626676B CN108626676B CN201810133092.9A CN201810133092A CN108626676B CN 108626676 B CN108626676 B CN 108626676B CN 201810133092 A CN201810133092 A CN 201810133092A CN 108626676 B CN108626676 B CN 108626676B
- Authority
- CN
- China
- Prior art keywords
- lens
- light
- light source
- circuit board
- lens support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003287 optical effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 239000012994 photoredox catalyst Substances 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000005269 aluminizing Methods 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 239000010985 leather Substances 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 238000005286 illumination Methods 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
- Microscoopes, Condenser (AREA)
Abstract
The invention discloses a projection lamp module for a vehicle, and belongs to the field of illumination of vehicle lamps. The LED circuit board and the reflector are fixed on the radiator, the lens is connected with the lens bracket and fixed on the radiator, and the lens bracket comprises a supporting lens structure positioned at the side of a near lens, a stop line structure positioned at the upper end of the side of the near light source and a III region structure positioned at the lower end of the side of the near light source. According to the technical scheme of the invention, special structures are not required to be made on the inner surface and the outer surface of the lens, the aesthetic property of the module is not affected, and the whole module is provided with only 5 parts, so that the number of parts is greatly reduced, the assembly is simplified, and the cost is reduced.
Description
Technical Field
The invention belongs to the field of car lamp illumination, and particularly relates to a projection lamp module for a car.
Background
For a projection lamp module with a low beam or a high beam, two conventional methods exist in the III region: one is to make a specific structure on the lens, and the other is to add two reflection structures matched with each other. The former has serious influence on the appearance because of the structure on the lens, and the light shielded by the baffle cannot be utilized, so that the optical efficiency of the system is reduced; the latter needs to increase two reflection structures that cooperate to use on current module, has increased part number and assembly number of times, has increased the volume and the weight of module.
Disclosure of Invention
In order to solve the problems of the prior art that the aesthetic appearance of the module is affected or the number of parts is increased to cause complex structure and assembly, the invention provides a projection lamp module for a vehicle.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the projection lamp module for the vehicle comprises a lens bracket, a lens, a radiator, an LED circuit board and a reflecting mirror, wherein the LED circuit board and the reflecting mirror are fixed on the radiator;
The upper end face of the lens support at the near light source side is flush or approximately flush with the optical axis of the lens;
After being reflected by the reflecting mirror, the light rays emitted by the LED light source on the LED circuit board are focused through the focal point of the lens, then are emitted into the lens, the projection forms a dipped beam shape, the second part of light rays are blocked by the cut-off line structure of the lens support to form a dipped beam cut-off line, the third part of light rays are emitted into the III area structure of the lens support, are emitted out through the scattering of materials, then are emitted into the lens, and the projection forms the III area light shape.
Further, the lens support is made of materials with scattering properties, including glass, PC, PMMA, and silica gel.
Further, the surface of the upper end of the lens support at the near light source side is treated by coating aluminum.
By adopting the technical scheme, system parasitic light can be reduced.
Further, the LED circuit board and the reflector form an angle a with the optical axis of the lens, wherein a is less than or equal to-3 degrees and less than or equal to-15 degrees.
By adopting the technical scheme, the optical efficiency of the system can be improved.
Further, the projection of the lens perpendicular to the optical axis plane thereof is oblong;
Opening size of the lens: the length is more than or equal to 70mm, and the width is less than or equal to 30mm.
By adopting the technical scheme, the aesthetic feeling of the whole module can be improved in appearance.
Further, the focal point of the lens coincides with the point a of the low beam source side upper end surface of the lens holder.
The beneficial effects are that:
1. the invention avoids making special structure on the outer surface or the inner surface of the lens, increases the aesthetic property of the module and meets the demands of customers.
2. The invention does not need to add a mutually matched reflecting structure, reduces the number of parts and equipment procedures, is convenient and simple to implement and reduces the cost.
3. The surface of the upper end of the lens support at the low beam source side is subjected to the dermatoglyph aluminizing treatment, so that the light efficiency is improved, and meanwhile, the uniformity of the low beam is improved.
Drawings
FIG. 1 is a schematic diagram of a projector module for a vehicle according to an embodiment of the invention;
FIG. 2 is a perspective view of a lens holder according to an embodiment of the invention;
FIG. 3 is a schematic diagram of an LED circuit board and an included angle a between a reflector and an optical axis of a lens according to an embodiment of the present invention;
FIG. 4 is a schematic view of the light ray trace of the low beam pattern according to an embodiment of the present invention;
FIG. 5 is a schematic view showing the ray trace of the III-region light pattern according to an embodiment of the present invention;
in the figure: 1-lens support, 2-lens, 3-radiator, 4-LED circuit board, 5-reflector, 11-lens bearing structure, 12-cut-off line structure, 13-III district structure.
Detailed Description
The invention will be further described with reference to the drawings and examples.
The present embodiment provides a projection lamp module for a vehicle, as shown in fig. 1, which includes a lens bracket 1, a lens 2, a heat sink 3, an LED circuit board 4 and a reflecting mirror 5, wherein the LED circuit board 4 and the reflecting mirror 5 are fixed on the heat sink 3, and the lens 2 is connected with the lens bracket 1 and fixed on the heat sink 3. Preferably, a heat-conducting adhesive is coated between the LED circuit board 4 and the radiator 3, the LED circuit board 4 and the reflector 5 are fixed on the radiator 3 through screws, and the lens 2 and the lens bracket 1 are fastened by clamping or welding and then fixed on the radiator 3. The lens holder 1 is made of a material having scattering properties, including glass, PC, PMMA and silicone. The projection of the lens 2 perpendicular to the optical axis plane is oblong, the aesthetic feeling of the whole module can be improved in appearance, and the opening size of the lens 2 is as follows: the length is more than or equal to 70mm, and the width is less than or equal to 30mm. Preferably, the opening size of the lens 2: 28mm x 80mm. Preferably, the overall dimensions of the module are: about 150mm long, about 120mm wide and about 65mm high.
The lens holder 1 and the baffle are made as one piece, and as shown in fig. 2, the lens holder 1 includes a supporting lens structure 11 located on the near-lens 2 side, a cut-off line structure 12 located on the near-light source side upper end, and a iii region structure 13 located on the near-light source side lower end, and the point a of the near-light source side upper end surface of the lens holder 1 coincides with the focal point of the lens 2.
The upper end surface of the lens holder 1 on the near light source side is flush or nearly flush with the optical axis of the lens 2, and in order to reduce system parasitic light, the surface of the upper end of the lens holder 1 on the near light source side (the remaining surface excluding the iii-zone structure 13) is treated with aluminum plating by texturing. Preferably, the surface is aluminized.
In order to enhance the light efficiency of the system, the LED circuit board 4 and the reflector 5 are at an angle a to the optical axis of the lens 2, as shown in FIG. 3, wherein a is-3-15. Preferably, the angle a is 7 °.
After the light rays emitted by the LED light source on the LED circuit board 4 are reflected by the reflector 5, a first part of light rays are focused through the focus of the lens 2 and then are emitted into the lens 2, and a dipped beam light shape is formed by projection, as shown in fig. 4; the second part of light is blocked by the cut-off line structure 12 of the lens support 1 to form a low beam cut-off line; the third part of the light enters the III area structure 13 of the lens support 1, is scattered by the material, enters the lens 2 again, and is projected to form a III area light shape, as shown in figure 5.
According to the technical scheme of the invention, special structures are not required to be made on the inner surface and the outer surface of the lens 2, the aesthetic property of the module is not affected, and the whole module is provided with only 5 parts, so that the number of parts is greatly reduced, the assembly is simplified, and the cost is reduced.
It should be apparent to those skilled in the art that various modifications or variations can be made in the present invention without requiring any inventive effort by those skilled in the art based on the technical solutions of the present invention.
Claims (4)
1. The utility model provides a projection lamp module for automobile-used, it includes lens support (1), lens (2), radiator (3), LED circuit board (4) and speculum (5), and LED circuit board (4) and speculum (5) are fixed in on radiator (3), and lens (2) are connected with lens support (1) and are fixed in on radiator (3), its characterized in that: the lens support (1) and the baffle are made into an integral piece, wherein the lens support (1) comprises a supporting lens structure (11) positioned on the side of the near lens (2), a cut-off line structure (12) positioned at the upper end of the side of the near light source and a III region structure (13) positioned at the lower end of the side of the near light source; the focal point of the lens (2) coincides with the point A of the upper end face of the lens bracket (1) at the low light source side; the upper end face of the lens support (1) at the low beam source side is flush or approximately flush with the optical axis of the lens (2); the LED circuit board (4) and the reflecting mirror (5) form a certain angle a with the optical axis of the lens (2), wherein a is more than or equal to-3 degrees and less than or equal to-15 degrees; light emitted by an LED light source on the LED circuit board (4) is reflected by the reflecting mirror (5), a first part of light is focused through a focus of the lens (2) and then enters the lens (2), projection forms a low beam light shape, a second part of light is blocked by a cut-off line structure (12) of the lens support (1) to form a low beam cut-off line, a third part of light is emitted into a III area structure (13) of the lens support (1), and is emitted out through scattering of materials and then enters the lens (2), and projection forms a III area light shape.
2. The projection lamp module for a vehicle according to claim 1, wherein: the lens support (1) is made of materials with scattering properties, including glass, PC, PMMA and silica gel.
3. The projection lamp module for a vehicle according to claim 1, wherein: the surface of the upper end of the lens support (1) at the lower light source side is treated by leather veins and aluminizing.
4. The projection lamp module for a vehicle according to claim 1, wherein: the projection of the lens (2) perpendicular to the optical axis plane thereof is oblong; opening size of the lens (2): the length is more than or equal to 70mm, and the width is less than or equal to 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810133092.9A CN108626676B (en) | 2018-02-09 | 2018-02-09 | Projection lamp module for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810133092.9A CN108626676B (en) | 2018-02-09 | 2018-02-09 | Projection lamp module for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108626676A CN108626676A (en) | 2018-10-09 |
| CN108626676B true CN108626676B (en) | 2024-06-21 |
Family
ID=63706037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810133092.9A Active CN108626676B (en) | 2018-02-09 | 2018-02-09 | Projection lamp module for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108626676B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681843A (en) * | 2019-02-26 | 2019-04-26 | 华域视觉科技(上海)有限公司 | Car light mould group and the automobile for applying it |
| CN111664417A (en) * | 2019-03-08 | 2020-09-15 | 常州星宇车灯股份有限公司 | Flat LED short-distance beam module |
| CN110107857B (en) * | 2019-06-04 | 2024-04-12 | 华域视觉科技(上海)有限公司 | Near light III district lighting module, vehicle head-light and vehicle |
| CN112146053A (en) * | 2019-06-27 | 2020-12-29 | 常州星宇车灯股份有限公司 | Projection lamp module |
| CN112197237A (en) * | 2019-07-08 | 2021-01-08 | 常州星宇车灯股份有限公司 | Special-shaped dipped beam module for vehicle lamp |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010129321A (en) * | 2008-11-26 | 2010-06-10 | Ichikoh Ind Ltd | Vehicle lamp |
| CN106122870A (en) * | 2016-08-17 | 2016-11-16 | 上海小糸车灯有限公司 | A kind of LED light source distance-light one car light module |
| CN207849250U (en) * | 2018-02-09 | 2018-09-11 | 常州星宇车灯股份有限公司 | A kind of vehicle projection light module |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5257665B2 (en) * | 2008-08-20 | 2013-08-07 | スタンレー電気株式会社 | Vehicle headlight unit and vehicle headlight |
| JP5323449B2 (en) * | 2008-10-30 | 2013-10-23 | 株式会社小糸製作所 | Vehicle lamp unit and vehicle lamp |
| CN202140942U (en) * | 2011-06-15 | 2012-02-08 | 芜湖安瑞光电有限公司 | An efficient LED automobile dipped beam headlamp |
| JP6597024B2 (en) * | 2015-07-29 | 2019-10-30 | 市光工業株式会社 | Vehicle lighting |
| CN105465717A (en) * | 2015-12-29 | 2016-04-06 | 深圳华耀车灯科技有限公司 | LED (light-emitting diode) automotive headlamp |
| CN206268977U (en) * | 2016-08-17 | 2017-06-20 | 上海小糸车灯有限公司 | A kind of LED light source distance-light one car light module |
| CN205956991U (en) * | 2016-08-24 | 2017-02-15 | 常州星宇车灯股份有限公司 | A baffle subassembly for two light lens module of LED |
| CN106195665A (en) * | 2016-08-24 | 2016-12-07 | 常州星宇车灯股份有限公司 | The double optical lens module of many granules LED |
| CN206724039U (en) * | 2017-04-28 | 2017-12-08 | 江西车仆电子科技协同创新有限公司 | A kind of illumination module and automobile |
-
2018
- 2018-02-09 CN CN201810133092.9A patent/CN108626676B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010129321A (en) * | 2008-11-26 | 2010-06-10 | Ichikoh Ind Ltd | Vehicle lamp |
| CN106122870A (en) * | 2016-08-17 | 2016-11-16 | 上海小糸车灯有限公司 | A kind of LED light source distance-light one car light module |
| CN207849250U (en) * | 2018-02-09 | 2018-09-11 | 常州星宇车灯股份有限公司 | A kind of vehicle projection light module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108626676A (en) | 2018-10-09 |
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