CN208951708U - A kind of polychrome light mixing LED combination light source - Google Patents
A kind of polychrome light mixing LED combination light source Download PDFInfo
- Publication number
- CN208951708U CN208951708U CN201821686578.7U CN201821686578U CN208951708U CN 208951708 U CN208951708 U CN 208951708U CN 201821686578 U CN201821686578 U CN 201821686578U CN 208951708 U CN208951708 U CN 208951708U
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- light source
- led
- lens
- cylinder
- front cover
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Abstract
The utility model provides a kind of polychrome light mixing LED combination light source, it is related to combined light source technical field, the LED combination light source includes front cover, the cylinder being set to below front cover, the lens being set in cylinder, the LED bar graph circuit board being set to below cylinder, the pedestal being set to below cylinder, the front cover is connected with cylinder, the lens bottom offers the groove for accommodating LED light source, it is provided with columned hollow structure above groove, the side of the hollow structure and the angle of vertical direction are 5 ° -10 °.The utility model solves in the prior art that shadowless lamp vulnerable to the influence of holder structure and external environment causes light beam that cannot be sufficiently mixed, and makes the problem that light source color temperature is unstable, colour rendering is poor.
Description
Technical field
The utility model relates to combined light source technical field more particularly to a kind of polychrome light mixing LED combination light sources.
Background technique
In NI Vision Builder for Automated Inspection, lighting source is an important factor for determining NI Vision Builder for Automated Inspection picture quality, to pass through choosing
Suitable light source is selected, target signature and background information in image can be made to obtain optimal separation, to substantially reduce image
Processing difficulty improves the stability and reliability of system.
Existing machine vision LED light source mainly includes linear light source, coaxial light source, area source, shadowless light source, ring light
Source, coaxial linear light source, dome light source etc..The shadowless light source is hospital operating room necessary equipment, is played in medical operating
Important illumination or so, it is still, existing using LED as light source, the shadowless lamp of light mixing is carried out outside lamp cap vulnerable to lamp cap knot
The influence of structure and external environment, which causes light beam that cannot be sufficiently mixed, makes that light source color temperature is unstable, colour rendering is poor.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of polychrome light mixing LED groups
Light combination source vulnerable to the influence of holder structure and external environment causes light beam abundant for solving shadowless lamp in the prior art
Mixing makes the problem that colour temperature is unstable, colour rendering is poor.
In order to achieve the above objects and other related objects, the utility model provides a kind of polychrome light mixing LED combination light source, institute
Stating LED combination light source includes front cover, the cylinder being set to below front cover, the lens being set in cylinder, is set to below cylinder
LED bar graph circuit board, the pedestal being set to below cylinder, the front cover is connected with cylinder, and the lens bottom offers
For accommodating the groove of LED light source, columned hollow structure, the side of the hollow structure and vertical side are provided with above groove
To angle be 5 °~10 °.
Further, the angle of the lens profile and vertical direction is less than 40 °.
Further, it is additionally provided with annular light guide plate between the front cover and lens, is set on the outside of annular light guide plate
LED annular circuit board.
Further, thermal grease circle is provided between the LED bar graph circuit board and pedestal.
Further, annular flange is provided with above the lens.
As described above, the polychrome light mixing LED combination light source of the utility model, has the advantages that
1. in the utility model, all light beams that LED light source issues in lens can be captured by lens, all light beams
It is sufficiently mixed and is focused in lens, greatly improve the utilization efficiency of light beam, and avoid making using the LED of multiple colors
When for light source, light source carries out light mixing outside lamp cap, and light source is influenced by holder structure and external environment and leads to light beam not
It can be sufficiently mixed, light source is made to issue the problem that light beam colour temperature is unstable, colour rendering is poor.
2. in the utility model, by the way that annular light guide plate is arranged between front cover and lens, being set on the outside of annular light guide plate
LED light is arranged on LED annular circuit board in LED annular circuit board, and what can be lacked with complementary lens internal LED light source is unrestrained anti-
Light is penetrated, realizes full angle uniform irradiation.
3. in the utility model, by the way that thermal grease circle is arranged between LED bar graph circuit board and pedestal, so that lens light
The perfect heat-dissipating in source can increase the service life of LED combination light source.
Detailed description of the invention
Fig. 1 is the utility model LED combination light-source structure schematic diagram；
Fig. 2 is the utility model LED combination assembling optical sources structural schematic diagram；
Fig. 3 is the utility model lens arrangement schematic diagram；
Fig. 4 is that the mixing of the utility model lens interior light beam focuses schematic diagram；
Marked in the figure: 1- front cover, 2- annular light guide plate, 3-ED annular circuit board, 4- annular flange, 5- lens, 6- cylinder,
7-LED strip circuit plate, 8- thermal grease circle, 9- pedestal, 10- hollow structure, 11- substrate, 12 grooves.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
It please refers to Fig.1 to Fig.4.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to
Cooperate the revealed content of specification, so that those skilled in the art understands and reads, is not intended to limit the utility model
Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjustment, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model
Revealed technology contents obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", " left side ",
The term on " right side ", " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than enforceable to limit the utility model
Range, relativeness are altered or modified, under the content of no substantial changes in technology, enforceable when being also considered as the utility model
Scope.
As depicted in figs. 1 and 2, the utility model provides a kind of polychrome light mixing LED combination light source, the LED combination light source
Including front cover 1, it is set to the cylinder 6 of 1 lower section of front cover, the lens 5 being set in cylinder 6 are set to the LED item of 6 lower section of cylinder
Shape circuit board 7 is set to the pedestal 9 of 6 lower section of cylinder, and the front cover 1 is connected with cylinder 6, as shown in figure 3,5 bottom of the lens
Portion offers the groove 12 for accommodating LED light source, and columned hollow structure of hollow structure 10 is provided with above groove 12
10 side and the angle of vertical direction are 5 °~10 °, and the angle of 5 side of lens and vertical direction is less than 40 °.
In the utility model, by the way that LED light source is arranged in groove 12, light source is fixed on substrate 11, and pass through base
Lens 5 and pedestal 9 are fixedly connected by plate 11, LED light source carried out after reflection and refraction in lens 5 mixing with
It focuses, it is assumed that the side of hollow structure 10 and the angle of perpendicular are y, 5 side of lens and perpendicular
Angle is x, and the incidence angle of the side of light beam opposite hollow structure 10 is z, refraction angle z', wherein z is greater than z', 2*x+ z'+y
=90 °, y=45 ° of -0.5*x-0.5*z', when x be 5 °~10 ° when, in order to light beam can broadside directive go out, using limiting law, y is then
Need to be less than 40 °.
It is additionally provided with annular light guide plate 2 between the front cover 1 and lens 5, is set to the LED ring in annular 2 outside of light guide plate
Shape circuit board 3 is provided with annular flange 4 above the lens 5.
Wherein, for LED annular circuit board 2 for LED light source to be arranged, annular light guide plate 2 will not both cover 5 inside LED of lens
Light source, and diffusing of being lacked to 5 internal LED light source of lens realizes full angle uniform irradiation.By in lens 5
Annular flange 4, which is arranged, in edge can carry out power source for LED annular circuit board 2 and lens 5, it is ensured that between two LED light sources
It can independently work normally.
Thermal grease circle 8 is provided between the LED bar graph circuit board 7 and pedestal 9.By in 7 He of LED bar graph circuit board
Thermal grease circle 8 is provided between pedestal 9, the perfect heat-dissipating of LED light source in lens 5 can increase making for LED combination light source
Use the service life.
In conclusion all light beams that the LED light source in the utility model lens 5 issues can be captured by lens 5, institute
Some light beams are sufficiently mixed and are focused in lens 5, and the utilization efficiency of light beam is greatly improved, and are avoided using multiple
The LED of color carries out light mixing as light source outside lamp cap, and the influence of holder structure and external environment causes light beam abundant
Mixing makes the problem that colour temperature is unstable, colour rendering is poor.So the utility model effectively overcomes various shortcoming in the prior art
And has high industrial utilization value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (5)
1. a kind of polychrome light mixing LED combination light source, it is characterised in that: the LED combination light source includes front cover (1), before being set to
Cover the cylinder (6) below (1), the lens (5) being set in cylinder (6), the LED bar graph circuit board being set to below cylinder (6)
(7), the pedestal (9) being set to below cylinder (6), the front cover (1) are connected with cylinder (6), and lens (5) bottom opens up
There is the groove (12) for accommodating LED light source, is provided with columned hollow structure (10), the hollow structure above groove (12)
(10) angle of side and vertical direction is 5 °~10 °.
2. polychrome light mixing LED combination light source according to claim 1, it is characterised in that: lens (5) side and vertical
The angle in direction is less than 40 °.
3. polychrome light mixing LED combination light source according to claim 1, it is characterised in that: the front cover (1) and lens (5)
Between be additionally provided with annular light guide plate (2), the LED annular circuit board (3) being set on the outside of annular light guide plate (2).
4. polychrome light mixing LED combination light source according to claim 1, it is characterised in that: the LED bar graph circuit board (7)
Thermal grease circle (8) are provided between pedestal (9).
5. polychrome light mixing LED combination light source according to claim 1, it is characterised in that: be provided with above the lens (5)
Annular flange (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821686578.7U CN208951708U (en) | 2018-10-18 | 2018-10-18 | A kind of polychrome light mixing LED combination light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821686578.7U CN208951708U (en) | 2018-10-18 | 2018-10-18 | A kind of polychrome light mixing LED combination light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208951708U true CN208951708U (en) | 2019-06-07 |
Family
ID=66741846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821686578.7U Active CN208951708U (en) | 2018-10-18 | 2018-10-18 | A kind of polychrome light mixing LED combination light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208951708U (en) |
-
2018
- 2018-10-18 CN CN201821686578.7U patent/CN208951708U/en active Active
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