CN209325686U - A kind of staged lens - Google Patents
A kind of staged lens Download PDFInfo
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- CN209325686U CN209325686U CN201920261659.0U CN201920261659U CN209325686U CN 209325686 U CN209325686 U CN 209325686U CN 201920261659 U CN201920261659 U CN 201920261659U CN 209325686 U CN209325686 U CN 209325686U
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- light
- lens
- emitting surface
- fully reflecting
- reflecting surface
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Abstract
The utility model discloses a kind of staged lens, including plane of light incidence, aspherical caustic surface, fully reflecting surface, light-emitting surface, pedestal and lens fixing seat, lens fixing seat is fixedly connected with pedestal by fully reflecting surface, base center is fixedly connected with aspherical caustic surface, it is faced out from aspherical optically focused and is successively surrounded with plane of light incidence and fully reflecting surface, plane of light incidence and fully reflecting surface constitute fresnel lens structure, fully reflecting surface quantity is 4, lens fixing seat is fixedly connected with light-emitting surface, light-emitting surface includes center light-emitting surface and more than two annular light-emitting surfaces in different height for being centrally located light-emitting surface periphery.The high transmittance of lens may be implemented in the step light-emitting surface that staged lens provided by the utility model use, and reduces the usage amount of lens material, to reduce lens cost, 4 had fully reflecting surface can preferably control light, and hot spot effect is more preferable.
Description
Technical field
The utility model relates to LED lens technical fields, and in particular to a kind of staged lens.
Background technique
It with the development of LED illumination, is limited by cost factor, more and more illuminating product manufacturers have born
The cost pressure of COB is not played, SMD lamp bead is all begun to use to concentrate patch, is made into the form of similar COB, that is, now described
Pseudo- COB, due to continuing to increase for reflective surface, cause lens also increasing under this form, although the cost of lamp bead drops
It is low, but the cost of lens is increasing, and mainly uses the lens arrangement of cylindrical type currently on the market, the weight of the lens is big,
At high cost, if using the lens arrangement of circular platform type instead, the light-emitting surface on the side wall of circular platform type lens can send out into total reflection, so that
The transmitance of lens reduces.
Utility model content
(1) the technical issues of solving
The utility model provides a kind of staged lens, and the high transmittance of lens may be implemented, reduce lens material
Usage amount, to reduce lens cost of manufacture.
(2) technical solution
In order to solve the above technical problems, the utility model provides the following technical solutions: a kind of staged lens, including light
The plane of incidence, aspherical caustic surface, fully reflecting surface, light-emitting surface, pedestal and lens fixing seat, lens fixing seat and pedestal are by being all-trans
Face connection is penetrated, base center is fixedly connected with aspherical caustic surface, faces out from aspherical optically focused and be successively surrounded with plane of light incidence
And fully reflecting surface, plane of light incidence and fully reflecting surface constitute fresnel lens structure, fully reflecting surface quantity is 4, and lens are fixed
Seat connection light-emitting surface is fixed, light-emitting surface include center light-emitting surface and it is more than two be centrally located light-emitting surface periphery in different height
The annular light-emitting surface of degree.
Preferably, step light-emitting surface is plane, inclined-plane or curved surface.
Preferably, center light-emitting surface is pearl face light-emitting surface, and the light that LED is issued hot spot after the light-emitting surface of pearl face is more equal
It is even.
Preferably, the diameter of center light-emitting surface is greater than the fresnel lens structure being made of plane of light incidence and fully reflecting surface
Diameter, due to fresnel lens structure have focusing light effect, light concentrate, it is more dazzling, pass through fresnel lens structure institute
Poly- light can be such that light becomes naturally, non-reflective by the injection of pearl face light-emitting surface.
Preferably, the fully reflecting surface for connecting lens fixing seat and pedestal is to make to far from light-emitting surface direction cambered surface outstanding
Pass through the light energy reflected of the fully reflecting surface to step light-emitting surface.
(3) beneficial effect
Compared with prior art, staged lens provided by the utility model, have it is following the utility model has the advantages that
The light middle section that LED is issued is gone out light by center after aspherical caustic surface refraction condensation by the staged lens
Face is projected, and center light-emitting surface is pearl face light-emitting surface, and hot spot is more uniform behind pearl face, and another part light passes through light incidence
It is mapped to respectively behind face on 4 fully reflecting surfaces, wherein passing through the light for the fully reflecting surface total reflection being located on fresnel lens structure
It is projected by center light-emitting surface, the light for being connected the fully reflecting surface total reflection of lens fixing seat and pedestal passes through step light-emitting surface
It projects, lens fixing seat is used to lens being fixed on lamps and lanterns.In this way, staged lens provided by the utility model have 4
Fully reflecting surface can preferably control light, and hot spot effect is more preferable, and light-emitting surface increases compared with original cylindrical structure
Step light-emitting surface increases light transmittance and compares with original circular platform type structure, and step light-emitting surface significantly reduces lens material
The usage amount usage amount of lens material (reduce by 20% or more), and do not lose the efficiency of lens.
Detailed description of the invention
Fig. 1 is the utility model top view；
Fig. 2 is the schematic diagram of the section structure at the utility model A-A；
Fig. 3 is the operation principle schematic diagram of the utility model；
Fig. 4 is the operation principle schematic diagram of existing cylindrical type light-emitting surface lens；
Fig. 5 is the operation principle schematic diagram of existing circular platform type light-emitting surface lens.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1, Fig. 2 and Fig. 3, wherein Fig. 1 is the utility model top view, and Fig. 2 is the utility model A-A
The schematic diagram of the section structure at place, Fig. 3 are the operation principle schematic diagram of the utility model.
A kind of staged lens provided by the utility model, including plane of light incidence 1, aspherical caustic surface 2, fully reflecting surface
3, light-emitting surface 4, pedestal 5 and lens fixing seat 6, lens fixing seat 6 and pedestal 5 are connected by fully reflecting surface 3, and 5 center of pedestal is solid
Surely aspherical caustic surface 2 is connected, is successively surrounded with plane of light incidence 1 and fully reflecting surface 3, light outward from aspherical caustic surface 2
The plane of incidence 1 and fully reflecting surface 3 constitute fresnel lens structure, and 3 quantity of fully reflecting surface is 4, and lens fixing seat 6 connects light-emitting surface
4, light-emitting surface 4 includes that center light-emitting surface 41 and more than two annulars in different height for being centrally located 41 periphery of light-emitting surface go out
Smooth surface 42.
Also, center light-emitting surface 41 is pearl face light-emitting surface, and the light that LED is issued hot spot after the light-emitting surface of pearl face is more equal
It is even.
As shown in connection with fig. 2, Fig. 2 is the schematic diagram of the section structure at the utility model A-A, and step light-emitting surface 42 is plane,
Inclined-plane or curved surface.
Specifically, the diameter of center light-emitting surface 41 is greater than the Fresnel lens being made of plane of light incidence 1 and fully reflecting surface 3
The diameter of structure, since fresnel lens structure has focusing light effect, light is concentrated, more dazzling, passes through Fresnel lens knot
The light that structure gathers can be such that light becomes naturally, non-reflective by the injection of pearl face light-emitting surface.
Also, the fully reflecting surface 3 for connecting lens fixing seat 6 and pedestal 5 be to far from 4 direction of light-emitting surface cambered surface outstanding,
Make in the light energy reflected to step light-emitting surface 42 by the fully reflecting surface.
In conjunction with shown in Fig. 4 and Fig. 5, Fig. 4 is the operation principle schematic diagram of existing cylindrical type light-emitting surface lens, and Fig. 5 is existing
The operation principle schematic diagram of circular platform type light-emitting surface lens, its light-emitting surface of existing lens mostly use the structure of Fig. 4 and Fig. 5, wherein
It can be totally reflected using the structure of Fig. 4 in light-emitting surface, cause lens efficiency low, and lens can be greatly increased using Fig. 5 lens
The usage amount of material, causes increased costs, and the structure for the step light-emitting surface 42 that the utility model uses not only can be reduced lens material
The usage amount of material, and the efficiency of lens is not lost, in addition, the fully reflecting surface 3 in existing lens only has 2-3, this is practical
It is novel to increase to 4, light can be preferably controlled, hot spot effect is more preferable.
In conclusion the light middle section that the staged lens issue LED is after aspherical 2 refraction condensation of caustic surface
It is projected by center light-emitting surface 41, center light-emitting surface 41 is pearl face light-emitting surface, and hot spot is more uniform behind pearl face, another part light
Line is mapped on four fully reflecting surfaces 3 respectively after passing through plane of light incidence 1, wherein by being located at being all-trans on fresnel lens structure
The light for penetrating the total reflection of face 3 is projected by center light-emitting surface 41, and the fully reflecting surface 3 for being connected lens fixing seat 6 and pedestal 5 is all-trans
The light penetrated is projected by step light-emitting surface 42, and lens fixing seat 6 is used to lens being fixed on lamps and lanterns.In this way, this is practical new
The staged lens tool that type provides can preferably control light there are four fully reflecting surface 3, and hot spot effect is more preferable, light-emitting surface 4 with
Original cylindrical structure is compared, and step light-emitting surface 42 is increased, and is increased light transmittance and is compared with original circular platform type structure,
Step light-emitting surface 42 not only can be reduced the usage amount (usage amount of lens material reduces by 20% or more) of lens material, but also can also
The efficiency of lens is not lost.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of staged lens, which is characterized in that including plane of light incidence (1), aspherical caustic surface (2), fully reflecting surface
(3), light-emitting surface (4), pedestal (5) and lens fixing seat (6), the lens fixing seat (6) and the pedestal (5) pass through described complete
Reflecting surface (3) connection, pedestal (5) center is fixedly connected with the aspherical caustic surface (2), from the aspherical caustic surface
(2) plane of light incidence (1) and the fully reflecting surface (3) are successively surrounded with outward, the plane of light incidence (1) and it is described entirely
Reflecting surface (3) constitutes fresnel lens structure, and fully reflecting surface (3) quantity is 4, and the lens fixing seat (6) connects institute
It states light-emitting surface (4), the light-emitting surface (4) includes that center light-emitting surface (41) and two or more are distributed in the center light-emitting surface (41)
The step light-emitting surface (42) in different height of periphery.
2. a kind of staged lens according to claim 1, which is characterized in that the step light-emitting surface (42) is plane,
Inclined-plane or curved surface.
3. a kind of staged lens according to claim 1, which is characterized in that the center light-emitting surface (41) is that pearl face goes out
Smooth surface.
4. a kind of staged lens according to claim 1, which is characterized in that the diameter of the center light-emitting surface (41) is big
In the diameter for the fresnel lens structure being made of the plane of light incidence (1) and the fully reflecting surface (3).
5. a kind of staged lens according to claim 1, which is characterized in that connect the lens fixing seat (6) and institute
The fully reflecting surface (3) for stating pedestal (5) is to the cambered surface protruded far from the light-emitting surface (4) direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261659.0U CN209325686U (en) | 2019-03-01 | 2019-03-01 | A kind of staged lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261659.0U CN209325686U (en) | 2019-03-01 | 2019-03-01 | A kind of staged lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209325686U true CN209325686U (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920261659.0U Active CN209325686U (en) | 2019-03-01 | 2019-03-01 | A kind of staged lens |
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| CN (1) | CN209325686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933972A (en) * | 2021-11-04 | 2022-01-14 | 济南华度光学技术有限公司 | Achromatic holographic optical device and method for manufacturing the same |
-
2019
- 2019-03-01 CN CN201920261659.0U patent/CN209325686U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933972A (en) * | 2021-11-04 | 2022-01-14 | 济南华度光学技术有限公司 | Achromatic holographic optical device and method for manufacturing the same |
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