CN207951921U - A kind of UV sources of parallel light - Google Patents
A kind of UV sources of parallel light Download PDFInfo
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- CN207951921U CN207951921U CN201721877794.5U CN201721877794U CN207951921U CN 207951921 U CN207951921 U CN 207951921U CN 201721877794 U CN201721877794 U CN 201721877794U CN 207951921 U CN207951921 U CN 207951921U
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Abstract
The utility model discloses a kind of UV sources of parallel light, includes the light-emitting surface formed by several light lens group cell arrays, and the collimation lens that the light that the light-emitting surface is sent out is adjusted to directional light is provided in the direct projection light path or reflected light path of light-emitting surface.Light-emitting surface is located at front end and uses collimation lens focal position, it is arranged using LED array form, the light angle of divergence that the form that each LED chip lens group used above is combined with reflector sends out LED reduces, it is allowed to match with front collimation lens, the uniformity of adjustment emergent light is taken into account simultaneously, and the light after light source front end is adjusted light-emitting surface using collimation lens is adjusted to directional light.
Description
Technical field
The utility model is related to UV to cure field, more particularly to a kind of UV sources of parallel light.
Background technology
UV exposure light sources are generally mode for luminous intensity, light-emitting area and uniformity to design at present, few
The limitation of angle direction.But in the ink solidification in some special fields, such as 3D bend glasses, it is necessary to use irradiation angular
Less than 3 degree, even the UV light irradiation of smaller angle, traditional frame mode are extremely difficult to this requirement.
Design high power UV sources of parallel light, main problem：Under the premise of ensureing that emergent light is parallel, it is necessary to ensure
The conditions such as irradiation energy is high, uniformity is good, stability is good, and these conditions be partly in actual design it is conflicting,
It is difficult to ensure simultaneously.
Utility model content
The purpose of this utility model is the drawbacks described above for the prior art, provides a kind of UV sources of parallel light.
To solve the drawbacks described above of the prior art, technical solution provided by the utility model is：A kind of UV sources of parallel light, packet
The light-emitting surface formed by several light lens group cell arrays is included, is set in the direct projection light path or reflected light path of the light-emitting surface
It is equipped with the collimation lens that the light that the light-emitting surface is sent out is adjusted to directional light.
As a kind of improvement of the utility model UV sources of parallel light, several described light lens group cellular array modes
There are rectangular array, Polygonal arrays, circular array or square array.
As a kind of improvement of the utility model UV sources of parallel light, the side light-emitting surface of the collimation lens is convex surface, institute
The side incidence surface for stating collimation lens is plane.
As a kind of improvement of the utility model UV sources of parallel light, the reflection in the light-emitting surface is arranged in the collimation lens
When in light path, the light that the light-emitting surface is sent out is adjusted to directional light injection by mirror reflection to the collimation lens.
As a kind of improvement of the utility model UV sources of parallel light, when the reflective mirror is two sides, the light-emitting surface is sent out
Light by be incident upon after two two secondary reflections of reflective mirror the collimation lens be adjusted to directional light project.
As a kind of improvement of the utility model UV sources of parallel light, when the light-emitting surface is two, two light-emitting surface difference
For the first light-emitting surface and the second light-emitting surface, the first light-emitting surface and the second light-emitting surface are at right angles arranged, the first light-emitting surface and the second hair
It is provided with spectroscope at diagonal line between smooth surface, the light of the first luminous surface launching penetrates the spectroscope, and described the
The light of two luminous surface launchings is reflected by the spectroscope, and the light of the first light-emitting surface is reflective through being injected after the spectroscope
Light is reflexed to the collimation lens and is adjusted to directional light injection by mirror, reflective mirror, and the light of second light-emitting surface is through excessive
Reflective mirror is injected after light microscopic reflection, light is reflexed to the collimation lens and is adjusted to directional light injection by reflective mirror.
As a kind of improvement of the utility model UV sources of parallel light, the light lens group unit includes LED chip, described
Being provided with immediately ahead of LED chip reduces the hemispherical lens of LED chip light extraction dispersion angle, the convex surface of the hemispherical lens
It is docked at the light inputting end of a reflector, the light extraction end of the reflector is provided with positive lens.
As a kind of improvement of the utility model UV sources of parallel light, the collimation lens light-emitting surface is adjusted after beam angle
Degree is adjusted to the directional light less than 3 degree.
As a kind of improvement of the utility model UV sources of parallel light, the diameter of the light inputting end of the reflector to light extraction end by
It is cumulative big.
Compared with prior art, the utility model has the advantages that：
1）The depth of parallelism is high, and light dispersion angle is less than 3 degree；
2）Stability is good, and light-emitting angle degree can become larger existing product after a period of use, and the light extraction of this product is parallel
Degree is stablized, and is not influenced by the pot life；
3）Emanated energy is high, and the unique design of light-emitting surface makes LED chip light emitting angle be matched as possible with front collimation lens,
Capacity usage ratio is set to maximize；
4）Uniformity is good.Ensure the uniform of emergent light while so that capacity usage ratio is promoted by the optical design of light-emitting surface
Property reaches 90% or more.
5）Difficulty of processing is low.Main component is the product type of maturation, does not need special equipment processing.
Description of the drawings
Just the utility model and its beneficial technique effect are made with specific implementation mode with reference to the accompanying drawings below further detailed
Thin description, wherein：
Fig. 1 is one structural schematic diagram of the utility model embodiment.
Fig. 2 is two structural schematic diagram of the utility model embodiment.
Fig. 3 is three structural schematic diagram of the utility model embodiment.
Fig. 4 is four structural schematic diagram of the utility model embodiment.
Fig. 5 is the utility model structure diagram.
Reference numeral title：1, LED chip 2, hemispherical lens 3, reflector 4, positive lens 5, light-emitting surface
6, collimation lens 7, spectroscope 8, reflective mirror 9, directional light.
Specific implementation mode
Just the utility model is further described with specific embodiment with reference to the accompanying drawings below, but the implementation of the utility model
Mode is not limited to this.
Embodiment one：As shown in Figure 1 and Figure 5, a kind of UV sources of parallel light, including by several light lens group cell arrays
The light-emitting surface 5 of formation is provided on the direct light road of light-emitting surface 5 light that the light-emitting surface 5 is sent out being adjusted to directional light 9
Collimation lens 6.Light lens group unit as shown in Figure 5 includes LED chip 1, is arranged immediately ahead of the light-emitting surface of LED chip 1
Having reduces the hemispherical lens 2 of the LED chip light extraction dispersion angle, and the convex surface of hemispherical lens 2 is docked at reflector 3
The light extraction end of light inputting end, reflector 3 is provided with positive lens 4.
Preferably, several light lens group cellular array modes have rectangular array, Polygonal arrays, circular array or
Square array.
Preferably, the side light-emitting surface of collimation lens is convex surface, and the side incidence surface of collimation lens is plane.
Embodiment two：As shown in Figure 2 and Figure 5, a kind of UV sources of parallel light, including by several light lens group cell arrays
The light-emitting surface 5 of formation is provided on the reflected light path of light-emitting surface 5 light that the light-emitting surface 5 is sent out being adjusted to directional light 9
Collimation lens 6.The light that light-emitting surface 5 is sent out reflexes to collimation lens by reflective mirror 8 and is adjusted to directional light injection.
Embodiment three：As shown in Figure 3 and Figure 5, a kind of UV sources of parallel light, including by several light lens group cell arrays
The light-emitting surface 5 of formation is provided on the reflected light path of light-emitting surface 5 light that the light-emitting surface 5 is sent out being adjusted to directional light 9
Collimation lens 6.The light that light-emitting surface 5 is sent out is adjusted to directional light by being incident upon collimation lens 6 after two reflective mirrors, 8 liang of secondary reflections
It projects.
Example IV：As shown in Figure 4 and Figure 5, a kind of UV sources of parallel light, including by several light lens group cell arrays
The light-emitting surface 5 of formation is provided on the reflected light path of light-emitting surface 5 light that the light-emitting surface 5 is sent out being adjusted to directional light
Collimation lens 6, when light-emitting surface 5 is two, two light-emitting surfaces 5 are respectively the first light-emitting surface and the second light-emitting surface, the first light-emitting surface
It at right angles arranges with the second light-emitting surface, is provided with spectroscope 7 at the diagonal line between the first light-emitting surface and the second light-emitting surface, first
The light of surface launching of shining penetrates spectroscope 7, and the light of the second luminous surface launching is split the reflection of mirror 7, the light of the first light-emitting surface
Line penetrate spectroscope 7 after inject reflective mirror 8, reflective mirror 8 by light reflex to collimation lens 6 be adjusted to directional light project, second
The light of light-emitting surface injects reflective mirror 8 after the reflection of spectroscope 7, and light is reflexed to collimation lens 6 and is adjusted to flat by reflective mirror 8
Row light 9 projects.
Preferably, the transmitting light of LED chip penetrates hemispherical lens 2 and is dropped by hemispherical lens 2 and reflector 3
The dispersion angle of low emergent light.
Preferably, the light-emitting angle after collimation lens adjusts light-emitting surface is adjusted to the directional light less than 3 degree.
Preferably, the diameter at the light inputting end of reflector 3 to light extraction end gradually increases.
The utility model has the following advantages：
1）The depth of parallelism is high, and light dispersion angle is less than 3 degree；
2）Stability is good, and light-emitting angle degree can become larger existing product after a period of use, and the light extraction of this product is parallel
Degree is stablized, and is not influenced by the pot life；
3）Emanated energy is high, and the unique design of light-emitting surface makes LED chip light emitting angle be matched as possible with front collimation lens,
Capacity usage ratio is set to maximize；
4）Uniformity is good.Ensure the uniform of emergent light while so that capacity usage ratio is promoted by the optical design of light-emitting surface
Property reaches 90% or more.
5）Difficulty of processing is low.Main component is the product type of maturation, does not need special equipment processing.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and structure, repaiied
Change, replace and modification, the scope of the utility model are limited by appended claims and its equivalency range.
Claims (7)
1. a kind of UV sources of parallel light include the light-emitting surface formed by several light lens group cell arrays, which is characterized in that
The collimation that the light that the light-emitting surface is sent out is adjusted to directional light is provided in the direct projection light path or reflected light path of the light-emitting surface
Lens；The side light-emitting surface of the collimation lens is convex surface, and the side incidence surface of the collimation lens is plane；The light source is saturating
Lens unit includes LED chip, and the hemispherical for reducing LED chip light extraction dispersion angle is provided with immediately ahead of the LED chip
Lens, the convex surface of the hemispherical lens are docked at the light inputting end of a reflector, and the light extraction end of the reflector is provided with just
Lens.
2. UV sources of parallel light according to claim 1, which is characterized in that several described light lens group cellular arrays
Mode has rectangular array, Polygonal arrays, circular array or square array.
3. UV sources of parallel light according to claim 1, which is characterized in that the collimation lens is arranged in the light-emitting surface
When on reflected light path, light that the light-emitting surface is sent out is adjusted to directional light to the collimation lens by mirror reflection and penetrates
Go out.
4. UV sources of parallel light according to claim 3, which is characterized in that when the reflective mirror is two sides, the light-emitting surface
The light sent out is adjusted to directional light injection by being incident upon the collimation lens after two two secondary reflections of reflective mirror.
5. UV sources of parallel light according to claim 1, which is characterized in that when the light-emitting surface is two, two light-emitting surfaces
Respectively the first light-emitting surface and the second light-emitting surface, the first light-emitting surface and the second light-emitting surface are at right angles arranged, the first light-emitting surface and
Spectroscope is provided at diagonal line between two light-emitting surfaces, the light of the first luminous surface launching penetrates the spectroscope, institute
The light for stating the second luminous surface launching is reflected by the spectroscope, and the light of the first light-emitting surface is anti-through being injected after the spectroscope
Light is reflexed to the collimation lens and is adjusted to directional light injection by light microscopic, reflective mirror, and the light of second light-emitting surface passes through
Reflective mirror is injected after spectroscope reflection, light is reflexed to the collimation lens and is adjusted to directional light injection by reflective mirror.
6. UV sources of parallel light according to claim 1, which is characterized in that the collimation lens light-emitting surface is adjusted after go out
Angular is adjusted to the directional light less than 3 degree.
7. UV sources of parallel light according to claim 1, which is characterized in that the light inputting end of the reflector is straight to light extraction end
Diameter gradually increases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877794.5U CN207951921U (en) | 2017-12-28 | 2017-12-28 | A kind of UV sources of parallel light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877794.5U CN207951921U (en) | 2017-12-28 | 2017-12-28 | A kind of UV sources of parallel light |
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| Publication Number | Publication Date |
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| CN207951921U true CN207951921U (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721877794.5U Active CN207951921U (en) | 2017-12-28 | 2017-12-28 | A kind of UV sources of parallel light |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210411A (en) * | 2018-10-26 | 2019-01-15 | 威海华菱光电股份有限公司 | Light supply apparatus and imaging sensor |
-
2017
- 2017-12-28 CN CN201721877794.5U patent/CN207951921U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210411A (en) * | 2018-10-26 | 2019-01-15 | 威海华菱光电股份有限公司 | Light supply apparatus and imaging sensor |
| CN109210411B (en) * | 2018-10-26 | 2024-07-05 | 威海华菱光电股份有限公司 | Light source device and image sensor |
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