CN208566571U - A kind of focusing lamp lens group and corresponding lighting system - Google Patents
A kind of focusing lamp lens group and corresponding lighting system Download PDFInfo
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- CN208566571U CN208566571U CN201821055825.3U CN201821055825U CN208566571U CN 208566571 U CN208566571 U CN 208566571U CN 201821055825 U CN201821055825 U CN 201821055825U CN 208566571 U CN208566571 U CN 208566571U
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Abstract
The utility model relates to a kind of focusing lamp lens group and corresponding lighting system, it is described focusing lamp lens group include immobilize with light source spacing and can by all light of light source injection the first lens, positioned at the lens subassembly of the first lens light emission side；The lens subassembly includes at least one concave lens and at least one convex lens between first lens and concavees lens；The convex lens and concavees lens radius having the same and refractive index, the convex surface of convex lens and the concave surface of concavees lens are oppositely arranged, and the convex lens is adjustable can obtain different light emitting angles from the spacing of concavees lens.Using the lens group, light efficiency is improved, radiation response is good.
Description
Technical field
The utility model relates to optical field more particularly to a kind of focusing lamp lens groups and corresponding lighting system.
Background technique
With LED light application it is more and more extensive, requirements at the higher level also are proposed to the light-illuminating of LED, such as in market, cabinet
The occasions such as platform need lamps and lanterns to have soft agile light, avoid dazzle, prevent from causing client visual pressure, and in street lamp
In illumination, especially in haze weather, it is desirable to which the light that lamps and lanterns issue can irradiate enough remote, have enough penetration powers.
It is well known that a key factor for influencing light efficiency is the angle of emergent light, in order to meet different light efficiency demands,
It is attempted to change the angle of emergent light by designing different Zoom lamp lens to realize to the perfect of lighting effects.Currently,
Existing Zoom lamp lens mainly have three kinds of single convex lens, zoom collimation lens, poly-lens integrated mode etc., respectively such as Fig. 1
(a) shown in -1 (c).
Wherein, the single convex lens zoom lens that Fig. 1 (a) is shown, which mainly pass through, adjusts convex lens at a distance from LED light source
Realize the change of light emitting angle, this mode light efficiency is relatively low: the zoom collimation lens that Fig. 1 (b) is shown is mainly by by convex lens
Mirror realizes low-angle by the cooperation of fully reflecting surface and convex lens close to the mobile realization high angle scattered light demand in LED light direction
Light demand, though this kind of light-configuration mode has a variety of regulating powers, light efficiency is relatively high, in focussing process, it is easy to because
Convex lens and fully reflecting surface it is inconsistent for light source variation relation and cause irradiate hot spot layering；The poly-lens group that Fig. 1 (c) is shown
It closes and light is adjusted by a series of convex lens and concavees lens cooperation, although the hot spot that this kind of light-configuration mode generates is clear
Clear, radiation response is good, but optical efficiency is low.
Utility model content
Utility model aims to solve or at least partly reduce problem discussed above.
Particularly, according to the present utility model in a first aspect, providing a kind of high photosynthetic efficiency and irradiation hot spot variation is naturally adjusted
Burnt lamp lens group.The focusing lamp lens group includes immobilizing with light source spacing and can be by the of the injection of all light of light source
One lens, positioned at the lens subassembly of the first lens light emission side；
The lens subassembly include at least one concave lens and at least one between first lens and concavees lens
Convex lens；
The convex lens and concavees lens radius having the same and refractive index, the convex surface of convex lens and the concave surface phase of concavees lens
To setting, the convex lens is adjustable can obtain different light emitting angles from the spacing of concavees lens.
Particularly, the application also provides a kind of lighting system, and the lighting system includes light source, issues to the light source
The focusing lamp lens group that light is handled, it is characterised in that:
The focusing lamp lens group uses desk lamp with dimmer switch lens group as described above.
Compared with the prior art, the advantages of the utility model are: the first lens of focusing lamp lens group can send out light source
All light out project, this kind of mode ensures source light utilization rate, so that optical efficiency is protected, while first is saturating
Mirror between light source at a distance from immobilize, i.e. the position when being dimmed without mobile first lens, only by changing lens
In component refractive index and radius convex lens all the same between concavees lens at a distance from realize the adjusting of lighting system light emitting angle,
Overcome previous because total reflection lens and convex lens make relative to light source variation relation inconsistent the problem of causing hot spot to be layered
It is clear to obtain hot spot, improves radiation response.
Detailed description of the invention
Fig. 1 (a) -1 (c) is three kinds of Zoom lamp lens arrangement schematic diagrames of the prior art.
Fig. 2 is a kind of corresponding example structure schematic diagram of the utility model focusing lamp lens group.
Fig. 3 (a) is the corresponding light-out effect figure of Fig. 2.
Fig. 3 (b) is the light-out effect figure being located in the focus of plano-convex lens after the plano-concave lens in Fig. 2 shifts.
Fig. 3 (c) is the light-out effect figure being located in the focus of plano-convex lens after the plano-concave lens in Fig. 2 shifts.
Fig. 3 (d) is the light-out effect figure being located at outside the focus of plano-convex lens after the plano-concave lens in Fig. 2 shifts.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
Fig. 2, Fig. 3 (a) -3 (d) show the application focus lamp lens group a kind of example structure and the photograph that is correspondingly formed
Bright system.The focusing lamp lens group of the application includes the first lens of all light injection that can issue light source, is located at first
The lens light emission side and spacing that can be asked by adjusting its own internal components is to obtain the lens subassembly of different light emitting angles, this
One lens between light source at a distance from it is immutable, lens subassembly is made of at least one convex lens and at least one concave lens, this is convex
The radius of lens, refractive index are identical as the radius of concavees lens, refractive index, the convex lens between the first lens and concavees lens,
The convex surface of convex lens and the concave surface of concavees lens are oppositely arranged simultaneously.
In the application the first lens between light source at a distance from fix, when light is projected by the first lens, though its project
Angle, or project range and be fixed, be stable, in other words, it can imagine in this way, the first lens are collectively formed with light source
One stable facing light sources is that the light of facing light sources sending is adjusted during specific use.
The light that facing light sources issue passes through to be adjusted by convex lens and the lens subassembly that concavees lens are combined into, it should be noted that
, convex lens has opposite light imaging characteristic out with concavees lens, as setting convex lens and concavees lens radius R having the same
When with identical refractive index n, if respectively adjust convex lens between facing light sources, concavees lens and facing light sources at a distance from, will go out
Both existing variation relation relative to facing light sources is with uniformity, that is, when adjust convex lens between concavees lens at a distance from when,
Be not in lead to light disorder out because of inconsistent with light source relationship, cause irradiation hot spot hierarchical fuzzy unclear.
It will be apparent that when difference at a distance from convex lens is between concavees lens, the light emitting angle and range of exposures of lighting system
It is different, and when use lens subassembly as above, the distance between internal composition anyway is adjusted, is not in that hot spot is unclear
Clear problem freely adjusts lens subassembly so can according to need, to meet different lighting requirements.Convex lens and recessed
The different light paths and effect formed when distance between mirrors changes, will elaborate later.
It is envisaged that convex lens may be the same or different with the number that concavees lens have, namely form lens
There are many meniscus combinations of component.In the present embodiment, selection forms lens using a convex lens and a concavees lens
Component.
All light that the focusing lamp lens group of the application can also issue light source are projected by the first lens, it is evident that this
Sample can improve the utilization rate of light source, that is to say, that the light that the focusing lamp lens group of the application can make full use of light source to issue is realized
High photosynthetic efficiency.In order to further increase optical efficiency, all light diameter rows that the first lens of the application can also issue light source are quasi-
Directly namely the first lens have collimating effect, other than all light beams that can issue light source project, moreover it is possible to while sending out light source
The directive lens subassembly in a manner of directional light of all light beams out.
A kind of embodiment of the application, using total internal reflection lens as the first lens, when light injection total internal reflection is saturating
When the fully reflecting surface of mirror, which can all be reflected and be occurred without refraction by fully reflecting surface, to reduce light losing.Together
When, which designs in this way, and the curvature of the exit facet and the plane of incidence of total internal reflection surface and total internal reflection surface meets,
Light is injected by the plane of incidence, and when reflecting and project through exit facet through total internal reflection surface, light is projected with directional light.In the present embodiment
Total internal reflection lens using axial symmetry design, below in conjunction with attached drawing 2,3 (a) -3 (b) to the focusing lamp lens group of the application
Expansion is described in detail.
As shown in Fig. 2, focusing lamp lens group includes the total internal reflection lens 1, equal by refractive index and radius of axial symmetry design
The lens subassembly 2 that identical convex lens 21 and concavees lens 22 are combined into.Wherein, total internal reflection lens 1 are cup-shaped, in incidence
The central area of side is formed with the groove 11 of accommodating light source 3, which has the side plane of incidence 111, center incident face 112,
The total internal reflection surface 12 of total internal reflection lens 1 is formed in side and is connected with the side plane of incidence 111, the outgoing of total internal reflection lens 1
Face 13 takes shape in the opposite of incident side and is connected with total internal reflection surface 12.
As shown in Fig. 3 (a) -3 (d), the light-emitting surface of light source 3 is towards center incident face 112, in order to realize total internal reflection surface 1
All light of the sending of light source 3 can be absorbed, the shady face of the light source 3 is flushed with the open end of the groove 11, meanwhile, the light source
3 are located on the symmetry axis of total internal reflection lens 1, which is formed with positive camber along beam projecting direction.This reality
It applies in example, total internal reflection surface 12 is designed to, after light enters total internal reflection surface 12 by the side plane of incidence 111, through total internal reflection
The light that face 12 is reflected is projected with directional light directive exit facet 13 by exit facet 13 in parallel, therefore, 13 corresponding matching of exit facet
It is designed to plane, center incident face 112 is in convex lens, and the light of light source is also penetrated in a manner of directional light after injecting convex lens
To exit facet 13 and horizontal injection, thus it can be concluded that, which is located in the focus of the convex lens.The total internal reflection is saturating
Thus mirror 1 designs and is provided with alignment function, and the horizontal light projected is for the light at scattering, can utilization rate
It is higher, thus the design plays the secondary effect for ensuring light and being fully utilized, at this time can it is equivalent at, light source 3 and it is complete in
The facing light sources that mirror lens 1 is formed launch directional light to lens subassembly.Simultaneously, it should be noted that the light source 3 can also
Be located at groove 11 inside, the focus of convex lens is located inside grooves at this time, as long as the curvature of the corresponding side plane of incidence with entirely
The curvature of interior reflective surface meets, and light is injected by the side plane of incidence, and reflection light is directional light, same energy when total internal reflection surface reflects
Realize that emergent light is directional light when exit facet is plane, and at this time since light source 3 is located in groove, so the institute of its sending
There is light equally can all be reflected, is no longer unfolded one by one herein.
With continued reference to Fig. 2, the convex lens 21 in the lens subassembly 2 is plano-convex lens, concavees lens 22 are plano-concave lens, plano-convex
Lens are located between total internal reflection transparent 1 and plano-concave lens, meanwhile, the convex surface of plano-convex lens and the concave surface of plano-concave lens coincide,
Optical path effect corresponding diagram 3 (a) to be correspondingly formed.
It will be just illustrated below for the different distance between convex lens and concavees lens, the different light paths effect of formation.When
Both when the convex surface of plano-convex lens and the concave surface of plano-concave lens coincide, since the two radius and refractive index are all the same, so when
It is equivalent to form a flat-plate lens when coincidence, and directional light is injected by flat-plate lens when projecting again, the light direction of propagation
It will not shift, to still be projected with parallel angle, if Fig. 3 (a) is shown, the light emitting angle formed at this time is minimum, namely
Form low-angle light.
When the spacing between concavees lens and convex lens increases, the light emitting angle of entire lighting system can be also gradually increased.It is false
If the radius of convex lens is R, refractive index n, then the focal length f=R/ (n-1) of the plano-convex lens.When plano-concave lens is saturating far from plano-convex
Mirror, but be located at plano-convex lens focus f within when, certain deviation can occur for light, as shown in Fig. 3 (b), at this time through plano-concave lens
For the light angle projected is with respect to Fig. 3 (a), there is certain outside offset.
When plano-convex lens continue to move to, in the focus of plano-concave lens, and when outside the focus of plano-concave lens, point
The effect picture of other corresponding diagram 3 (c) and Fig. 3 (d), it is known that, when plano-convex lens are in position shown in Fig. 3 (d), light emitting anger at this time
Degree is maximum, and range of exposures of capable of is also maximum.Therefore, it is possible to imagine, user when in use completely can be according to their own needs
Select convex lens between concavees lens at a distance to form desired light effect.
It should be noted that the present embodiment is only illustrated for moving concavees lens, but in actual operation, completely
It can according to need while mobile convex lens and concavees lens just repeat no more herein to meet more light efficiency demands.
Other than above-mentioned improvement, other similar improvement are also contained in the improvement threshold of the utility model, herein
It repeats no more.While there has been shown and described that the embodiments of the present invention, it will be appreciated by those skilled in the art that: it is not taking off
These embodiments can be carried out with a variety of variations, modification, replacement and deformation in the case where from the principles of the present invention and objective.
Claims (9)
1. a kind of focusing lamp lens group, it is characterised in that:
It is described focusing lamp lens group include immobilize with light source spacing and can by all light of light source injection the first lens,
Positioned at the lens subassembly of the first lens light emission side；
The lens subassembly includes at least one concave lens and at least one convex lens between first lens and concavees lens
Mirror；
The convex lens and concavees lens radius having the same and refractive index, the convex surface of the convex lens and concave surface of concavees lens is opposite sets
It sets, the convex lens is adjustable can obtain different light emitting angles from the spacing of concavees lens.
2. focusing lamp lens group according to claim 1, it is characterised in that:
First lens are the lens that all light diameter rows collimation that can issue light source projects.
3. focusing lamp lens group according to claim 1, it is characterised in that:
First lens are total internal reflection lens.
4. focusing lamp lens group according to claim 2, it is characterised in that:
First lens are that all light of light source can be collimated the total internal reflection lens projected.
5. focusing lamp lens group according to claim 4, it is characterised in that:
The total internal reflection lens include taking shape in the central area of total internal reflection lens incident side to accommodate the recessed of light source
Slot, the groove have the side plane of incidence and center incident face,
The total internal reflection surface for taking shape in side and being connected with the side plane of incidence,
And the exit facet for being formed in the opposite of incident side and being connected with total internal reflection surface；
The total internal reflection surface and the curvature of exit facet and the plane of incidence meet, and all light of light source are injected through the plane of incidence, is complete interior
It is projected after reflective surface by exit facet with directional light.
6. focusing lamp lens group according to claim 5, it is characterised in that:
The total internal reflection lens axial symmetry molding；
The center incident face is convex lens, and the focus of the convex lens is located in groove, and the light source is located at the coke
Point on；
The side plane of incidence and total internal reflection surface meet, and the light of light source is injected by the side plane of incidence, through total internal reflection surface reflection
At reflecting light level directive exit facet, the exit facet corresponds to plane.
7. focusing lamp lens group according to claim 5, it is characterised in that:
The total internal reflection lens axial symmetry molding；
The center incident face is convex lens, the focus of the convex lens and pair at slot opening end and total internal reflection lens
The intersection point for claiming axis to be crossed to form is overlapped, and the light source is located in the focus and the shady face of light source is flushed with slot opening end:
The side plane of incidence and total internal reflection surface meet, and the light of light source is injected by the side plane of incidence, through total internal reflection surface reflection
At reflecting light level directive exit facet, the exit facet corresponds to plane.
8. focusing lamp lens group according to claim 1, it is characterised in that:
The concavees lens between convex lens at a distance from it is burnt from including that the concave surface is overlapped with convex surface, the concavees lens are located at convex lens
Within point, the concavees lens are located on concave lens focus, the concavees lens are located at the outer middle selection of concave lens focus.
9. a kind of lighting system, including light source, the burnt lamp lens group handled the light that the light source issues, feature exists
In:
The focusing lamp lens group uses such as focusing lamp lens group of any of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821055825.3U CN208566571U (en) | 2018-07-04 | 2018-07-04 | A kind of focusing lamp lens group and corresponding lighting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821055825.3U CN208566571U (en) | 2018-07-04 | 2018-07-04 | A kind of focusing lamp lens group and corresponding lighting system |
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| CN208566571U true CN208566571U (en) | 2019-03-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826229A (en) * | 2018-07-04 | 2018-11-16 | 赛尔富电子有限公司 | A kind of focusing lamp lens group and corresponding lighting system |
| CN114738710A (en) * | 2022-03-23 | 2022-07-12 | 深圳市百康光电有限公司 | Zoom lens and illumination apparatus |
-
2018
- 2018-07-04 CN CN201821055825.3U patent/CN208566571U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826229A (en) * | 2018-07-04 | 2018-11-16 | 赛尔富电子有限公司 | A kind of focusing lamp lens group and corresponding lighting system |
| CN114738710A (en) * | 2022-03-23 | 2022-07-12 | 深圳市百康光电有限公司 | Zoom lens and illumination apparatus |
| CN114738710B (en) * | 2022-03-23 | 2024-05-17 | 深圳市百康光电有限公司 | Zoom lens and illumination apparatus |
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