CN210373260U - Far and near light optical module - Google Patents
Far and near light optical module Download PDFInfo
- Publication number
- CN210373260U CN210373260U CN201921342333.7U CN201921342333U CN210373260U CN 210373260 U CN210373260 U CN 210373260U CN 201921342333 U CN201921342333 U CN 201921342333U CN 210373260 U CN210373260 U CN 210373260U
- Authority
- CN
- China
- Prior art keywords
- total reflection
- light
- lens
- reflection lens
- group
- 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.)
- Active
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 16
- 230000000694 effects Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005269 aluminizing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Led Device Packages (AREA)
Abstract
The utility model relates to a far and near light optical module, the structure includes light source group, total reflection lens group, light screen, big lens, the utility model discloses an optical structure of once that total reflection lens is constituteed, the secondary optical structure of constituteing by outside big lens realizes far and near light function, and the spotlight effect of total reflection lens is better than the structure of speculum, can effectively improve the light efficiency, can reduce LED light source power under the condition that satisfies the grading standard, more is favorable to the heat dissipation, and the general injection moulding of total reflection lens does not need secondary treatment, effective reduce cost.
Description
Technical Field
The utility model relates to automotive lighting technical field, especially a far and near light optical module.
Background
Far and near light lens module in present automobile headlight adopts the speculum spotlight mode mostly, its plane of reflection needs to spray paint aluminizing treatment and reaches the reflectivity that accords with the standard requirement, and can have a quantitative waste product in the course of working, the cost is corresponding higher, the reflection of light rate of speculum is the highest to 80% in the processing technology of current speculum, and it is higher to coating film technical requirement, and the reflection of light inefficiency of most speculums on the market, the light loss is great, cause that the light source sent can not be better by the gathering, the utilization ratio of light has been reduced, most full LED reflective lens adopt single LED light source, it is higher to require single LED light source power, it is high to require the heat dissipation.
To overcome many defects of the existing high-low beam lens module, an optical module is needed, which can reduce local heat, prevent elements from being burnt due to overhigh temperature, has better light condensation effect and higher light reflection rate, and can improve the utilization rate of light.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a far and near light optical module to solve the not enough that exists among the prior art.
In order to achieve the above purpose, the following technical scheme is provided:
the structure of the far and near light optical module is characterized by comprising a light source group, a total reflection lens group, a light shielding plate and a large lens, wherein the light source group is positioned on one side of the total reflection lens group, the large lens is positioned on the other side of the total reflection lens group, the light shielding plate is positioned between the total reflection lens group and the large lens, the light source group consists of two groups of LED light sources, each group comprises seven LED light sources, the total reflection lens group consists of two total reflection lenses, the two total reflection lenses are arranged up and down, one side surface of each total reflection lens is provided with a row of seven recesses, the LED light sources are embedded into the recesses in a one-to-one correspondence manner, the other side surface of each recess, which corresponds to the total reflection lens, is a spherical surface, the light shielding plate is.
Preferably, the focus of the light reflected by the total reflection lens is located at the arc-shaped notch of the light shielding plate.
Preferably, the focal point of the light reflected by the total reflection lens is the focal point of the large lens.
Preferably, the left side surface of the large lens is an incident surface and is of a plane structure; the right side surface is an emitting surface and is of a curved surface structure.
The utility model has the advantages that:
1. the utility model discloses an adopt the LED light source of a plurality of minipowers, change the multiple spot into by single-point luminous and give out light, reduced local heat, prevent that the high temperature from burning out the component, and improved the resolution ratio and the definition of light.
2. The utility model discloses an adopt total reflection lens, the spotlight effect is better, and the reflection rate is higher, has improved the utilization ratio of light.
3. The utility model discloses a total reflection lens, reduced production processes, an injection moulding need not secondary operation, has improved production efficiency, reduction in production cost reduces the wasting of resources.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a diagram of an optical path when a distance light is used in the embodiment;
FIG. 4 is a diagram of an optical path when a near light is used in the embodiment;
the reference symbols shown in the figures are: 1-LED light source, 2-total reflection lens, 201-groove, 3-light shielding plate, 4-large lens, 401-incident surface and 402-emitting surface.
Detailed Description
The following describes the present design in detail with reference to the accompanying drawings.
As shown in FIGS. 1-2, a high beam and low beam optical module comprises a light source group, a total reflection lens group, a light shielding plate 3, a large lens 4, wherein the light source group is located at one side of the total reflection lens group, the large lens 4 is located at the other side of the total reflection lens group, the light shielding plate 3 is located between the total reflection lens group and the large lens 4, the light source group comprises two groups of LED light sources 1, each group comprises seven LED light sources 1, the total reflection lens group comprises two total reflection lenses 2, the two total reflection lenses 2 are arranged up and down, wherein one side surface of each total reflection lens 2 is provided with a row of seven recesses 201, the LED light sources 1 are correspondingly embedded into the recesses 201 one by one, the other side surface of each recess 201 corresponding to the total reflection lens 2 is a spherical surface, wherein the total reflection lens 2 is formed by one-time injection, the large lens 4 is a convex lens.
Wherein, the focus of the light reflected by the total reflection lens 2 is positioned at the arc-shaped notch of the light screen 3.
Wherein, the focus of the light reflected by the total reflection lens 2 is the focus of the large lens 4.
The left side surface of the large lens is an incident surface 401 and is of a plane structure; the right side is an emission surface 402, which is a curved surface structure.
Wherein, the light generated by the LED light source 1 at the lower part of the light source group passes through the corresponding total reflection lens 2 to the large lens 4, and is horizontally emitted along the upper part of the emitting surface 402; the light generated by the LED light source 1 at the upper part of the light source group passes through the corresponding total reflection lens 2 to the large lens 4, and is horizontally emitted along the lower part of the emitting surface 402.
Example 1
As shown in fig. 3, the LED light sources 1 at the upper and lower portions are controlled to emit light simultaneously, the light is totally reflected by the total reflection lens 2, most of the light is emitted in the direction of the large lens 4, and after a part of the light is blocked by the light blocking plate 3, the light enters from the incident surface 401 of the large lens 4, and is refracted, and then horizontally emitted from the emitting surface 402, thereby forming a high beam light type.
Example 2
As shown in fig. 4, the LED light sources 1 on the upper portion are controlled to emit light simultaneously, the light is totally reflected by the total reflection lens 2, most of the light is emitted in the direction of the large lens 4, and after a part of the light is blocked by the light blocking plate 3, enters from the incident surface 401 of the large lens 4, is refracted, and is horizontally emitted from the lower portion of the emitting surface 402, thereby forming a low beam type.
Claims (4)
1. The structure of the far and near light optical module is characterized by comprising a light source group, a total reflection lens group, a light shielding plate and a large lens, wherein the light source group is positioned on one side of the total reflection lens group, the large lens is positioned on the other side of the total reflection lens group, the light shielding plate is positioned between the total reflection lens group and the large lens, the light source group consists of two groups of LED light sources, each group comprises seven LED light sources, the total reflection lens group consists of two total reflection lenses, the two total reflection lenses are arranged up and down, one side surface of each total reflection lens is provided with a row of seven recesses, the LED light sources are embedded into the recesses in a one-to-one correspondence manner, the other side surface of each recess, which corresponds to the total reflection lens, is a spherical surface, the light shielding plate is.
2. The distance-light optical module as defined in claim 1, wherein the focus of the light reflected by the total reflection lens is located at the arc-shaped notch of the light-shielding plate.
3. A distance optical module according to claim 1 or 2, wherein the focus of the light reflected by the total reflection lens is the focus of the large lens.
4. The distance-light optical module according to claim 1, wherein the left side surface of the large lens is an incident surface and has a planar structure; the right side surface is an emitting surface and is of a curved surface structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921342333.7U CN210373260U (en) | 2019-08-19 | 2019-08-19 | Far and near light optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921342333.7U CN210373260U (en) | 2019-08-19 | 2019-08-19 | Far and near light optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210373260U true CN210373260U (en) | 2020-04-21 |
Family
ID=70251375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921342333.7U Active CN210373260U (en) | 2019-08-19 | 2019-08-19 | Far and near light optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210373260U (en) |
-
2019
- 2019-08-19 CN CN201921342333.7U patent/CN210373260U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9128344B2 (en) | LED vehicle headlamp with electrochromic device | |
| US20090129084A1 (en) | Optical device for altering light shape and light source module comprising same | |
| JP2009266434A (en) | Light source module and lighting fixture for vehicle | |
| CN107631268A (en) | Illumination and/or signal indicating device for motor vehicles | |
| TW201610342A (en) | LED vehicle headlamp | |
| CN103900006A (en) | Led vehicle lamp | |
| CN112135997B (en) | Matrix car light optical device, car light and vehicle | |
| CN110566828B (en) | Light distribution system and light source module and lamp comprising same | |
| CN105465709A (en) | LED car lamp | |
| US10253940B1 (en) | Vehicle light assembly | |
| CN104295967B (en) | LED multifaceted light-emitting planar light source | |
| CN211203911U (en) | Optical structure of dipped headlight | |
| CN212456691U (en) | Lighting lamp | |
| CN210373260U (en) | Far and near light optical module | |
| CN115773479A (en) | Double-optical-color optical system | |
| CN117823840A (en) | Automobile lighting lamp adopting micro-lens array | |
| CN111735027A (en) | Vehicle lamp module, vehicle headlamp and vehicle | |
| CN210465949U (en) | Machine vision light source device based on free-form surface and Fresnel surface | |
| WO2019214977A1 (en) | Headlamp for automotive vehicles | |
| CN211822201U (en) | Optical device for vehicle headlamp, headlamp and vehicle | |
| CN210601478U (en) | Windowsill lamp reflector with Fresnel structure | |
| CN213362317U (en) | Lighting lamp | |
| CN214198503U (en) | Car light lens | |
| CN211822202U (en) | Light module for vehicle headlamp, headlamp and vehicle | |
| CN103486520A (en) | LED light source headlamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |