CN207162440U - One kind collimation matches somebody with somebody optical assembly - Google Patents
One kind collimation matches somebody with somebody optical assembly Download PDFInfo
- Publication number
- CN207162440U CN207162440U CN201721220294.4U CN201721220294U CN207162440U CN 207162440 U CN207162440 U CN 207162440U CN 201721220294 U CN201721220294 U CN 201721220294U CN 207162440 U CN207162440 U CN 207162440U
- Authority
- CN
- China
- Prior art keywords
- somebody
- lens
- optical assembly
- light
- reflector
- 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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Abstract
One kind collimation matches somebody with somebody optical assembly, including light source, reflector and lens, the high angle scattered light that light source emits reflects to form parallel rays by reflector, the low-angle rays pass through lens that light source emits reflect to form parallel rays, the distance of the annulus bottom by setting lens and reflector, the light that light source emits efficiently is collimated, the good hot spot of hot spot light chopping is round and smooth soft, without secondary hot spot, and the hot spot uniformity is high, and light leads to efficiency high.
Description
Technical field
Lighting technical field is the utility model is related to, more particularly to a kind of collimation matches somebody with somebody optical assembly.
Background technology
Light emitting diode (LED) is used as a kind of green light source, has the characteristics that photoelectric efficiency height, long lifespan, small volume, extensively
It is general to apply in fields such as street lighting, auto lamp, room lightings.But LED chip is an approximate Lambertian source in itself,
Cosine distribution is presented with light emitting anger in light intensity, and this light source is difficult to meet various lighting requirements.Therefore need according to special photograph
Bright to require design optical system, the light sent to LED carries out shaping, changes its light intensity difference.
It is existing to be made up of with optical assembly light source and lens or light source and reflector referring to Fig. 1 a and Fig. 1 b.It is existing
The light sent with optical assembly by reflector or lens on light source is reflected or reflected.Therefore, single reflector collimation is matched somebody with somebody
Light, light source low-angle ray waste.Single lens collimate luminous intensity distribution, and light is blocked by lamp body, lose light efficiency, light source high angle scattered light
Waste.
The content of the invention
Technical problem to be solved in the utility model is, there is provided one kind collimation matches somebody with somebody optical assembly, reduces secondary hot spot, improves
Luminous flux with optical assembly.
In order to solve the above-mentioned technical problem, the utility model, which provides one kind and collimated, matches somebody with somebody optical assembly, including：It is light source, reflective
Cup and lens；
The reflector includes cup and annulus bottom, and the annulus bottom is provided with light hole；
The lens are arranged in the cup, and the lens include upper and lower surface, the lower surface of the lens
Distance with the annulus bottom is 5-100mm；
The light source is arranged on the focal point of the lens.
As the improvement of such scheme, the cross-section curve profile of the cup is secondary parabolic curve.
As the improvement of such scheme, the inwall of the cup is provided with scale structure.
As the improvement of such scheme, a diameter of 10-100mm of the lens.
As the improvement of such scheme, the lens are Fresnel lens.
As the improvement of such scheme, the material of the reflector is makrolon.
As the improvement of such scheme, the surface of the reflector is provided with aluminium coated.
As the improvement of such scheme, the material of the lens is methyl methacrylate.
As the improvement of such scheme, the cup is provided with installation projection, and the lens are provided with mounting bar, the mounting bar
In the installation projection, so that the lens are arranged in the cup.
As the improvement of such scheme, the mounting bar is arranged in the installation projection by screw.
Implement the utility model, have the advantages that：
A kind of collimation provided by the utility model matches somebody with somebody optical assembly, including light source, reflector and lens, what light source emitted
High angle scattered light reflects to form parallel rays by reflector, and the low-angle rays pass through lens that light source emits reflect to be formed
Parallel rays, the distance of the annulus bottom by setting lens and reflector, makes the light that light source emits efficiently collimate, light
Spot light chopping is good, and hot spot is round and smooth soft, and without secondary hot spot, and the hot spot uniformity is high, and light leads to efficiency high.
Brief description of the drawings
Fig. 1 a are a kind of existing luminous intensity distribution schematic diagrames with optical assembly；
Fig. 1 b are the existing another luminous intensity distribution schematic diagrames for matching somebody with somebody optical assembly；
Fig. 2, which is that the utility model is a kind of, collimates the perspective exploded view with optical assembly；
Fig. 3, which is that the utility model is a kind of, collimates the schematic perspective view with optical assembly；
Fig. 4, which is that the utility model is a kind of, collimates the reflecting cup structure schematic diagram with optical assembly；
Fig. 5, which is that the utility model is a kind of, collimates the lens arrangement schematic diagram with optical assembly；
Fig. 6 is a kind of refracted light schematic diagram for collimating the lens with optical assembly of the utility model；
Fig. 7, which is that the utility model is a kind of, collimates the light-out effect figure with optical assembly；
Fig. 8, which is that the utility model is a kind of, collimates the rectangular co-ordinate light distribution curve with optical assembly；
Fig. 9, which is that the utility model is a kind of, collimates the polar coordinates light distribution curve with optical assembly；
Figure 10, which is that the utility model is a kind of, collimates the light spot illumination figure with optical assembly；
Figure 11 is a kind of existing light spot illumination figure with optical assembly；
Figure 12 is the existing another light spot illumination figure for matching somebody with somebody optical assembly.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type is described in further detail.
Referring to Fig. 2 to Fig. 5, the utility model provides a kind of collimation and matches somebody with somebody optical assembly, including：Light source 1, reflector 2 and thoroughly
Mirror 3；
The reflector 2 includes cup 21 and annulus bottom 22, and the annulus bottom 22 is provided with light hole 23；
The lens 3 are arranged in the cup 2, and the lens 3 include upper surface 31 and lower surface 32, the lens 3
The distance of lower surface 32 and the annulus bottom 22 be 5-100mm；
The light source 1 is arranged on the focal point of lower surface 32 of the lens 3.
The bottom of the reflector 2 is provided with light source bracket 4, for supporting the light source 1.
It should be noted that in order that the high angle scattered light that sends of light source 1 is reflected by the reflector 2 collimates, it is described
The cross section song contour line of cup 21 is secondary parabolic curve.
In order to improve the reflection efficiency of reflector 21, the high angle scattered light that light source 1 is sent is set to be reflected by the reflector 2
Collimation, the inwall of the cup 21 are provided with scale structure.
It should be noted that the diameter of the light hole 23 is equal to the diameter of the light source bracket 4.
The light for being arranged on the generation of light source 1 of the focal point of lower surface 32 of the lens 3 is emitted to by the light hole 23
On reflector 2 and lens 3.
A diameter of 10-100mm of the lens 3.The lens 3 are Fresnel lens.The Fresnel lens is by a series of
Concentric prismatic groove is formed, each annulus plane of refraction independent equivalent to one.The small angle that the lens send the light source
Spend light refraction, collimation.Specifically, as shown in fig. 6, the lower surface 32 that the low-angle light that light source 1 is sent reaches lens 3 occurs
In the upper surface 31 of lens 3 birefringence occurs for unirefringence, the light after refraction, and the low-angle light that light source 1 is sent passes through
Lens 3 occur after reflecting twice, are recently formed parallel light.
The material of the reflector 2 is makrolon.Because makrolon has high intensity and coefficient of elasticity, HI high impact strong
Degree, use temperature range are wide, heigh clarity and free dyeability, fatigue durability are good, weatherability is good, electrical characteristic is excellent, tasteless
It is odorless harmless to meet that safe and healthy, shaping shrinkage rate is low, dimensional stability is good.
The material of the lens 3 is polymethyl methacrylate.Polymethyl methacrylate is plastic macromolecule material,
93% is up to the preferable transparency, chemical stability and weatherability, easy dyeing, easy processing, attractive appearance, light transmittance.
For the ease of installation and removal, the cup 2 is provided with installation projection 24, and the lens 3 are provided with mounting bar 33, described
Mounting bar 33 is arranged in the installation projection 24, so that the lens 3 are arranged in the cup 2.In order to reduce mounting bar
The influence of 33 pairs of light, and the lens 3 is arranged in the cup 2, the mounting bar 33 is provided with 3, and is uniformly distributed.
Preferably, the mounting bar 33 is arranged in the installation projection 24 by screw, but not limited to this.In other realities of the application
Apply in example, the mounting bar 33 can also be welding, Nian Jie etc. with the connected mode of the installation projection 24.For the ease of installation
Be accurately positioned, the mounting bar 33 is provided with the first mounting hole 331, and the installation projection is provided with the second mounting hole 241, by first
Mounting hole 331 is aligned with the second mounting hole 241, and then mounting bar 33 is arranged in installation projection 24 by screw.
Referring to Fig. 7, a kind of collimation provided by the utility model matches somebody with somebody optical assembly, and the high angle scattered light that light source emits passes through
Reflector reflects to form parallel rays, and the low-angle rays pass through lens that light source emits are reflected to form parallel rays, passed through
The distance of the annulus bottom of lens and reflector is set, the light that light source emits efficiently is collimated, hot spot light chopping is good, light
Spot is round and smooth soft, and without secondary hot spot, and the hot spot uniformity is high, and light, which leads to efficiency, can reach more than 90%, and half-peak corner is up to 2.7 °.
Embodiment one
Present embodiments provide a kind of collimation and match somebody with somebody optical assembly, including light source, reflector and lens, the reflector includes cup
Body and annulus bottom, the annulus bottom are provided with light hole, and the lens are arranged in the cup, and the lens include upper table
Face and lower surface, the distance of the lower surface of the lens and the annulus bottom are 14.5mm, a diameter of 32mm of the lens,
The height of the reflector is 30mm, a diameter of 70mm of the reflector, and the light source is arranged on the lower surface of the lens
Focal point.
Referring to Fig. 8 rectangular co-ordinate light distribution curve and Fig. 9 polar coordinates light distribution curves, the present embodiment with optical assembly
The light amount of light loss that light source is sent is few, and it is 94% that light, which leads to efficiency,.In addition, referring to Figure 10 to Figure 12, match somebody with somebody optical assembly with existing
To compare, the hot spot light chopping for the light that the light source with optical assembly of the present embodiment is sent is good, and hot spot is round and smooth soft, without secondary hot spot, and
The hot spot uniformity is high.Figure 11 is that hot spot is imaged, not soft by the existing light spot illumination figure formed with optical assembly (lens).
Figure 12 is more by the existing light spot illumination figure formed with optical assembly (reflector), divergence of beam, secondary hot spot.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (10)
1. one kind collimation matches somebody with somebody optical assembly, including：Light source, reflector and lens；
The reflector includes cup and annulus bottom, and the annulus bottom is provided with light hole；
The lens are arranged in the cup, and the lens include upper and lower surface, the lower surface of the lens and institute
The distance for stating annulus bottom is 5-100mm；
The light source is arranged on the focal point of the lens.
2. collimation according to claim 1 matches somebody with somebody optical assembly, it is characterised in that the cross-section curve profile of the cup is two
Secondary parabolic curve.
3. collimation according to claim 2 matches somebody with somebody optical assembly, it is characterised in that the inwall of the cup is provided with scale structure.
4. collimation according to claim 1 matches somebody with somebody optical assembly, it is characterised in that a diameter of 10-100mm of the lens.
5. collimation according to claim 4 matches somebody with somebody optical assembly, it is characterised in that the lens are Fresnel lens.
6. collimation according to claim 1 matches somebody with somebody optical assembly, it is characterised in that the material of the reflector is makrolon.
7. collimation according to claim 6 matches somebody with somebody optical assembly, it is characterised in that the surface of the reflector is provided with aluminium coated.
8. collimation according to claim 1 matches somebody with somebody optical assembly, it is characterised in that the material of the lens is methyl methacrylate
Ester.
9. collimation according to claim 1 matches somebody with somebody optical assembly, it is characterised in that the cup is provided with installation projection, described
Mirror is provided with mounting bar, and the mounting bar is arranged in the installation projection, so that the lens are arranged in the cup.
10. collimation according to claim 9 matches somebody with somebody optical assembly, it is characterised in that the mounting bar is arranged on institute by screw
State in installation projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721220294.4U CN207162440U (en) | 2017-09-21 | 2017-09-21 | One kind collimation matches somebody with somebody optical assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721220294.4U CN207162440U (en) | 2017-09-21 | 2017-09-21 | One kind collimation matches somebody with somebody optical assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207162440U true CN207162440U (en) | 2018-03-30 |
Family
ID=61723644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721220294.4U Expired - Fee Related CN207162440U (en) | 2017-09-21 | 2017-09-21 | One kind collimation matches somebody with somebody optical assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207162440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541846A (en) * | 2018-11-27 | 2019-03-29 | 长春理工大学 | A kind of lighting source for spliced liquid crystal on silicon |
-
2017
- 2017-09-21 CN CN201721220294.4U patent/CN207162440U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541846A (en) * | 2018-11-27 | 2019-03-29 | 长春理工大学 | A kind of lighting source for spliced liquid crystal on silicon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20200921 |