CN208886512U - Optics module and light source module group - Google Patents
Optics module and light source module group Download PDFInfo
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- CN208886512U CN208886512U CN201821672920.8U CN201821672920U CN208886512U CN 208886512 U CN208886512 U CN 208886512U CN 201821672920 U CN201821672920 U CN 201821672920U CN 208886512 U CN208886512 U CN 208886512U
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Abstract
This application discloses a kind of optics module and light source module groups.Optics module includes total internal reflection lens and convex lens；The convex lens is located at the front of the total internal reflection lens along optical axis, the total internal reflection lens include light-source chamber, the light-source chamber is for covering LED lamp bead, the light injected by the light-source chamber for being converged and being injected the convex lens by the total internal reflection lens, and the convex lens is for collimating the light injected by the total internal reflection lens.Light source module group includes LED lamp bead and the optics module, and the LED lamp bead is covered by the light-source chamber.Optics module disclosed in the embodiment of the present application can make the Illumination Distribution in key area more uniform with light source module group, effectively eliminate secondary hot spot, improve illuminating effect.
Description
Technical field
This application involves lighting technical field more particularly to a kind of optics modules and light source module group.
Background technique
LED has begun universal for illuminator.It is right since illuminator has a variety of different applications
The performance of illuminator also has different requirements.For example, illuminating for key area, light of the LED lamp by sending is needed
It is gathered in key area, but since the light emitting angle of LED is very big, only some light can be irradiated under normal circumstances
Key area just needs LED lamp to carry out light distribution to light at this time, and the light for irradiating originally to other regions is also gathered in weight
Point region.
The mode of aggregation light beam in the related technology is more, however, the mode of usually aggregation light beam can only be simply by this
It irradiates the light-ray condensing to other regions in key area, but will lead to the unevenness of the Illumination Distribution in key area, formed
More apparent secondary hot spot, influences illuminating effect.
Utility model content
The embodiment of the present application provides a kind of optics module and light source module group, to solve the above problems.
The embodiment of the present application adopts the following technical solutions:
In a first aspect, the embodiment of the present application provides a kind of optics module, including total internal reflection lens and convex lens；
The convex lens is located at the front of the total internal reflection lens along optical axis, and the total internal reflection lens include light source
Chamber, the light-source chamber are used to carry out the light injected by the light-source chamber for covering LED lamp bead, the total internal reflection lens
The convex lens is converged and injects, the convex lens is for collimating the light injected by the total internal reflection lens.
Optionally, in above-mentioned optics module, the angle of divergence of the light after total internal reflection lens convergence is
30~60 °.
Optionally, in above-mentioned optics module, the total internal reflection lens further include convex part and reflecting part, described convex
Saturating portion is located at the front of the light-source chamber along optical axis and is used to converge to the light for injecting the convex part by the light-source chamber
The convex lens, the reflecting part is around the light-source chamber and the convex part and for described in being injected as the light-source chamber
The light of reflecting part reflexes to the convex lens.
Optionally, in above-mentioned optics module, the convex part will be injected the light of the convex part by the light-source chamber
The middle part of the convex lens is converged to, the light injected by the light-source chamber is reflexed to the outer of the convex lens by the reflecting part
It encloses.
Optionally, in above-mentioned optics module, the total internal reflection lens have the first incidence surface, the second incidence surface, complete
Interior reflective surface, the first light-emitting surface and the second light-emitting surface；Second incidence surface is around first incidence surface and with described the
One incidence surface surrounds the light-source chamber jointly, and second light-emitting surface is around first light-emitting surface and the two is towards described convex
Lens, the total internal reflection surface surround second incidence surface and second light-emitting surface, first incidence surface with it is described
The line area defined of the profile of first light-emitting surface is the convex part, second incidence surface, the total internal reflection surface
And the line area defined of the profile of second light-emitting surface is the reflecting part.
Optionally, in above-mentioned optics module, first incidence surface and the first light-emitting surface alternative one are curved surface,
Another one is plane or curved surface.
Optionally, in above-mentioned optics module, first incidence surface is plane, and first light-emitting surface is described in
The curved surface of convex lens protrusion.
Optionally, in above-mentioned optics module, second light-emitting surface is the anchor ring perpendicular to the optical axis.
Optionally, in above-mentioned optics module, first incidence surface is perpendicular to second incidence surface.
Optionally, in above-mentioned optics module, the convex lens has incidence surface and light-emitting surface, the incidence surface direction
The total internal reflection lens, the incidence surface and the light-emitting surface alternative one are curved surface, and another one is plane or curved surface.
Optionally, in above-mentioned optics module, erosion line is provided on the light-emitting surface.
Optionally, in above-mentioned optics module, the incidence surface is plane, and the light-emitting surface is curved surface.
Optionally, in above-mentioned optics module, the diameter of the total internal reflection lens is 45~55mm, the convex lens
Diameter is 60~70mm, and the spacing of the total internal reflection lens and the convex lens is 20~26mm.
Second aspect, the embodiment of the present application provide a kind of light source module group, including LED lamp bead and the optical mode
Group, the LED lamp bead are covered by the light-source chamber.
The embodiment of the present application use at least one above-mentioned technical solution can reach it is following the utility model has the advantages that
Optics module disclosed in the embodiment of the present application and light source module group can pass through the cooperation of total reflection lens and convex lens
Keep the Illumination Distribution in key area more uniform, effectively eliminate secondary hot spot, improves illuminating effect.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the specific structure view of light source module group disclosed in the embodiment of the present application；
Fig. 2 is the optical path view of optics module disclosed in the embodiment of the present application.
Description of symbols:
1- optics module, 10- total internal reflection lens, 10a- light-source chamber, 10b- convex part, 10c- reflecting part, 100- first
Incidence surface, the second incidence surface of 101-, 102- total internal reflection surface, the first light-emitting surface of 103-, the second light-emitting surface of 104-, 12- convex lens,
120- incidence surface, 122- light-emitting surface, 2-LED lamp bead.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
Below in conjunction with attached drawing, the technical scheme provided by various embodiments of the present application will be described in detail.
The embodiment of the present application discloses a kind of light source module group, as shown in Figure 1, including optics module 1 and LED lamp bead 2,
LED lamp bead 2 is for providing light, and optics module 1 is then for assembling the light that LED lamp bead 2 is issued.
Specifically, optics module 1 includes total internal reflection lens 10 (i.e. TIR lens) and convex lens 12,12 edge of convex lens
Optical axis a is located at the front of total internal reflection lens 10.Total internal reflection lens 10 include light-source chamber 10a, and light-source chamber 10a is for covering
LED lamp bead 2, all light that LED lamp bead 2 is issued after being covered by light-source chamber 10a are substantially all to be entered entirely by light-source chamber 10a
The inside of internal reflection lens 10.In natural situation, the angle of divergence for the light that LED lamp bead 2 is issued can achieve 120 ° or more, and
It can will be reflected with optical axis a angle larger portion light by total internal reflection lens 10, to reduce by complete interior anti-
The angle of divergence of light emitted by lens 10 is penetrated, i.e. total internal reflection lens 10 converge the light injected by light-source chamber 10a
It is poly-.
Light after convergence can be launched into the convex lens 12 that 10 front of total internal reflection lens is arranged in, in convex lens 12
Inside can again collimate light using the principle of convex lens convergence light, reduce the angle of divergence of emergent ray.Namely
It says, light has carried out classification convergence by total internal reflection lens 10 and convex lens 12 in the present embodiment, to make emergent light
Illumination Distribution is more uniform, therefore can effectively eliminate secondary hot spot, improves illuminating effect.
In the present embodiment, light by total internal reflection lens 10 convergence after the angle of divergence preferably remain in 30~60 ° (such as
45 °) in range, the angle of divergence is excessive or too small will affect the final collimating effect of convex lens 10.
Continuing with referring to Fig. 1, the total internal reflection lens 10 in the present embodiment may also include convex part 10b and reflecting part
10c, wherein convex part 10b is located at the front of light-source chamber 10a along optical axis a, the folder when LED lamp bead 2 emits beam, with optical axis a
Angle small portion light can be entered in convex part 10b by light-source chamber 10a, and convex part 10b by light-source chamber 10a for that will be penetrated
Enter this some light inside convex lens 10b and a degree of convergence is carried out by the principle that convex lens converges light, and will converge
Light after poly- is injected in the convex lens 12 in front.
Reflecting part 10c surrounds light-source chamber 10a and convex part 10b, the folder when LED lamp bead 2 emits beam, with optical axis a
The biggish light in angle can be injected in reflecting part 10c by light-source chamber 10a, and under normal circumstances, this some light is spent due to beam angle
It greatly, is the region of accent light required for will not being irradiated to.But it, can be by this part by light source due to the presence of reflecting part 10c
The light that chamber 10a is injected inside reflecting part 10c is reflected, to change the direction of propagation of this some light, it is made also can
Inject convex lens 12.
In order to improve the uniformity of Illumination Distribution, it inject convex part 10b will by light-source chamber 10a convex
The light of saturating portion 10b converges to the middle part of convex lens 12, and reflexes to reflecting part 10c by the light injected by light-source chamber 10a
The periphery of convex lens 12, so that light is enable to be paved with convex lens 12 substantially, some area without being gathered in convex lens 12
Domain (referring to fig. 2).
As shown in Figure 1, in one alternate embodiment, there is total internal reflection lens 10 first incidence surface 100, second to enter light
Face 101, total internal reflection surface 102, the first light-emitting surface 103 and the second light-emitting surface 104.Second incidence surface 101 enters light around first
Face 100 and light-source chamber 10a is surrounded jointly with the first incidence surface 100, the second light-emitting surface 104 surrounds the first light-emitting surface 103 and the two
Towards convex lens 12.Total internal reflection surface 102 surrounds the second incidence surface 101 and the second light-emitting surface 104.At this point, first enters light
The line area defined of the profile of face 100 and the first light-emitting surface 103 is convex part 10b, and the second incidence surface 101, it is complete in
The line area defined of the profile of reflecting surface 102 and the second light-emitting surface 104 is reflecting part 10c.
In the present embodiment, in order to meet the convex lens effect of convex part 10b, the first incidence surface 100 and the first light-emitting surface
103 alternative one can be curved surface, another can be plane, or curved surface.For example, when the first incidence surface 100 is court
When the curved surface protruded inside to light-source chamber 10a, the first light-emitting surface 103 can be plane or curved surface, and curved surface can be to convex
12 direction of lens protrusion, can also be recessed to light-source chamber 10a direction, as long as the first incidence surface 100 and first goes out light
Face 103 is capable of forming convex lens structures.Likewise, when the first light-emitting surface 103 is the curved surface protruded towards convex lens 12,
First incidence surface 100 can be plane, or curved surface, and the direction of curved surface does not also absolutely limit.
In total internal reflection lens 10 as shown in Figure 1, the first incidence surface 100 is plane, and the first light-emitting surface 103 is direction
The curved surface that convex lens 12 protrudes.At this point, the second incidence surface 104 can be centered around the first light-emitting surface for the anchor ring perpendicular to optical axis a
Around 103.In addition, can be in be mutually perpendicular between the first incidence surface 100 and the second incidence surface 101 in some embodiments
Relationship, i.e. for the first incidence surface 100 perpendicular to optical axis a, the second incidence surface 101 is in the cylinder extended along optical axis a.
At the same time, convex lens 12 has incidence surface 120 and light-emitting surface 122, wherein incidence surface 120 is towards anti-in complete
Penetrate lens 10.In order to make convex lens 12 have spotlight effect, incidence surface 102 and 122 alternative one of light-emitting surface can be curved surface, separately
One is then plane or curved surface.Specific combination is similar with convex part 10b, therefore details are not described herein.
Erosion line can also be set in the present embodiment on the light-emitting surface of convex lens 12, erosion line can disperse light,
Therefore it is able to ascend the uniformity of illumination.Line is lost for the ease of setting, the convex lens 12 of the present embodiment is recommended to use incidence surface 120
For plane, the lens arrangement that light-emitting surface 122 is curved surface.
For common LED lamp bead 2, when total internal reflection lens 10 diameter be 45~55mm (preferably 50mm), it is convex
The diameter of lens 12 is 60~70mm (preferably 65mm), the spacing of total reflection lens 10 and convex lens 12 be 20~26mm (preferably
The key area illuminating effect that can reach when 23mm) is preferable.
Optics module disclosed in the embodiment of the present application can make the Illumination Distribution in key area more equal with light source module group
It is even, secondary hot spot is effectively eliminated, illuminating effect is improved.
Emphasis describes the difference between each embodiment, difference between each embodiment in the application foregoing embodiments
As long as optimization feature non-contradiction, can combine to form more preferably embodiment, it is contemplated that style of writing is succinct, then no longer superfluous at this
It states.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (14)
1. a kind of optics module, which is characterized in that including total internal reflection lens and convex lens；
The convex lens is located at the front of the total internal reflection lens along optical axis, and the total internal reflection lens include light-source chamber, institute
Light-source chamber is stated for covering LED lamp bead, the total internal reflection lens are for converging the light injected by the light-source chamber
And the convex lens is injected, the convex lens is for collimating the light injected by the total internal reflection lens.
2. optics module according to claim 1, which is characterized in that the light is converged by the total internal reflection lens
The angle of divergence afterwards is 30~60 °.
3. optics module according to claim 1 or 2, which is characterized in that the total internal reflection lens further include convex part
And reflecting part, the convex part are located at the front of the light-source chamber along optical axis and are used to be injected by the light-source chamber described convex
The light in saturating portion converges to the convex lens, and the reflecting part is around the light-source chamber and the convex part and for will be by institute
It states light-source chamber and injects the light of the reflecting part and reflex to the convex lens.
4. optics module according to claim 3, which is characterized in that described in the convex part will be injected as the light-source chamber
The light of convex part converges to the middle part of the convex lens, and the light injected by the light-source chamber is reflexed to institute by the reflecting part
State the periphery of convex lens.
5. optics module according to claim 4, which is characterized in that the total internal reflection lens have the first incidence surface,
Second incidence surface, total internal reflection surface, the first light-emitting surface and the second light-emitting surface；Second incidence surface enters light around described first
Face and the light-source chamber is surrounded jointly with first incidence surface, second light-emitting surface surrounds first light-emitting surface and the two
Towards the convex lens, the total internal reflection surface surrounds second incidence surface and second light-emitting surface, and described first
The line area defined of the profile of incidence surface and first light-emitting surface is the convex part, second incidence surface, institute
The line area defined for stating the profile of total internal reflection surface and second light-emitting surface is the reflecting part.
6. optics module according to claim 5, which is characterized in that first incidence surface and first light-emitting surface two
One of person is curved surface, and another one is plane or curved surface.
7. optics module according to claim 6, which is characterized in that first incidence surface is plane, and described first goes out
Smooth surface is the curved surface protruded towards the convex lens.
8. optics module according to claim 7, which is characterized in that second light-emitting surface is perpendicular to the optical axis
Anchor ring.
9. optics module according to claim 5, which is characterized in that first incidence surface enters light perpendicular to described second
Face.
10. optics module according to claim 1 or 2, which is characterized in that the convex lens has incidence surface and out light
Face, for the incidence surface towards the total internal reflection lens, the incidence surface and the light-emitting surface alternative one are curved surface, another one
For plane or curved surface.
11. optics module according to claim 10, which is characterized in that be provided with erosion line on the light-emitting surface.
12. optics module according to claim 11, which is characterized in that the incidence surface is plane, and the light-emitting surface is
Curved surface.
13. optics module according to claim 1 or 2, which is characterized in that the diameter of the total internal reflection lens be 45~
55mm, the diameter of the convex lens are 60~70mm, and the spacing of the total internal reflection lens and the convex lens is 20~26mm.
14. a kind of light source module group, which is characterized in that including LED lamp bead and the described in any item optical modes of claim 1 to 13
Group, the LED lamp bead are covered by the light-source chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672920.8U CN208886512U (en) | 2018-10-16 | 2018-10-16 | Optics module and light source module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672920.8U CN208886512U (en) | 2018-10-16 | 2018-10-16 | Optics module and light source module group |
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| Publication Number | Publication Date |
|---|---|
| CN208886512U true CN208886512U (en) | 2019-05-21 |
Family
ID=66516075
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821672920.8U Active CN208886512U (en) | 2018-10-16 | 2018-10-16 | Optics module and light source module group |
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| CN (1) | CN208886512U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253417A (en) * | 2018-10-16 | 2019-01-22 | 苏州欧普照明有限公司 | Optics module and light source module group |
| CN115076636A (en) * | 2022-07-25 | 2022-09-20 | 杭州海康威视数字技术股份有限公司 | Collimation searchlight and illuminator of collimation searchlight |
-
2018
- 2018-10-16 CN CN201821672920.8U patent/CN208886512U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253417A (en) * | 2018-10-16 | 2019-01-22 | 苏州欧普照明有限公司 | Optics module and light source module group |
| CN109253417B (en) * | 2018-10-16 | 2023-12-29 | 苏州欧普照明有限公司 | Optical module and light source module |
| CN115076636A (en) * | 2022-07-25 | 2022-09-20 | 杭州海康威视数字技术股份有限公司 | Collimation searchlight and illuminator of collimation searchlight |
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