CN102121607A - Design scheme of ultraviolet LED (light emitting diode) plane solidifying device - Google Patents
Design scheme of ultraviolet LED (light emitting diode) plane solidifying device Download PDFInfo
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- CN102121607A CN102121607A CN2011100202387A CN201110020238A CN102121607A CN 102121607 A CN102121607 A CN 102121607A CN 2011100202387 A CN2011100202387 A CN 2011100202387A CN 201110020238 A CN201110020238 A CN 201110020238A CN 102121607 A CN102121607 A CN 102121607A
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- 230000003287 optical effect Effects 0.000 claims abstract description 18
- 230000003760 hair shine Effects 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 4
- 230000011514 reflex Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000013316 zoning Methods 0.000 description 2
- 125000000174 L-prolyl group Chemical group [H]N1C([H])([H])C([H])([H])C([H])([H])[C@@]1([H])C(*)=O 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to a design scheme of an ultraviolet LED (light emitting diode) plane solidifying device. The design scheme provided by the invention is as follows: dividing a solidifying surface into a plurality of equal parts in the charging direction, wherein each part is less than or equal to 50 millimeters and is taken as the width of a rectangle, and one edge, vertical to the charging direction, of the solidifying surface is utilized as the length of the rectangle, so that the solidifying surface is divided into a plurality of rectangles; allocating a reflecting surface and a reflecting ring for each ultraviolet LED, wherein one ultraviolet LED and the corresponding reflecting surface and reflecting ring form an optical element; and on the basis of taking every two optical elements as one group, arranging multiple groups of optical elements respectively right above the center of each rectangle in the charging direction. The traditional light sources are replaced by the ultraviolet LEDs which have the advantages of long service lives, less energy consumption, high power intensity, low temperature, small lumens depreciation and environmental friendliness, the solidifying surface is subjected to partioning design in the charging direction, and the reflection surface of a free-form surface is adopted, thus light distribution is easy to realize, the lens is replaced by the reflecting surface, the cost is low, and the utilization ratio of the ultraviolet light is improved greatly.
Description
Technical field
The present invention relates to the design of ultra-violet curing device, the design of especially a kind of ultraviolet LED plane solidification equipment.
Background technology
Numerous industry medium ultraviolets are solidified light fixture and are more and more widely used, as automobile industry, electron trade, printing industry, handicraft industry etc., because the LED ultraviolet source has the life-span long, start fast, energy consumption is little, temperature is low, light decay is little, environmental protection, the energy-conservation incomparable advantage of other light sources that waits, progressively be applied in the solidification equipment by vast producer, present stage, producer mainly used lens to change the LED optical power distribution, and be mainly used in a curing, but ultraviolet penetration capacity difference need select for use special material to guarantee the good transmitance and the uniformity of lens, and process two curved surfaces of lens accurately, can increase cost, in addition because lens material absorbs and reflection, cause ultraviolet utilization rate to descend, the part ultraviolet light that LED sends can not be mapped to fully on the lens and also can be wasted, these shortcomings have limited the development of ultra-violet curing light fixture on very big aspect, need to be resolved hurrily.
Summary of the invention
In order to solve above-mentioned technical barrier, the present invention proposes the design of a kind of ultraviolet LED plane solidification equipment.
The present invention solves the problems referred to above by following technical proposals:
According to the Energy distribution on the curing face of radiation of light source characteristic that provides and required realization, to solidify face and be divided into some equal portions along feedstock direction, every part is less than or equal to 50 millimeters, wide as rectangle, perpendicular to the limit of the curing face of the feedstock direction length as rectangle, curing face is divided into several wide rectangles that is less than or equal to 50 millimeters;
Every ultraviolet LED is equipped with a reflecting surface and a reflection circle, ultraviolet LED is placed in the reflection circle, the part ultraviolet light that LED sends directly shines reflecting surface, and all the other ultraviolet lights that LED sends reflex to reflecting surface by the reflection circle, and ultraviolet light shines curing face through behind the reflecting surface;
Ultraviolet LED and respective reflective surfaces, reflection circle form an optical element, place two optical elements directly over each rectangular centre, per two optical elements are as one group, organize more optical element along the charging aperture direction respectively directly over each rectangular centre along arranged in a straight line.
Selected reflecting surface adopts free form surface, and the reflection circle is an annulus.
The design of this device adopts ultraviolet LED to substitute conventional light source, life-span is long, it is fast to start, energy consumption is little, power density is high, temperature is low, light decay is little, environmental protection, no mercury pollution, with the reflecting surface of curing face along feedstock direction zoning design and employing free form surface, make luminous intensity distribution be easy to realize, adopt the reflection circle can effectively overcome the big shortcoming of lighting angle of LED, adopt reflecting surface to substitute lens, make low and utilization rate ultraviolet light of complete machine cost rise significantly, ultraviolet LED can be generalized in the curing apparatus of plane.
Description of drawings
Fig. 1 is a curing face subregion schematic diagram;
Fig. 2 is the light that sends of one group of ultraviolet LED light source arrives curing face through reflecting surface a light path schematic diagram;
Fig. 3 is the permutation and combination figure of many group ultraviolet LEDs and reflecting surface.
1. ultraviolet LEDs among the figure, 2. reflecting surface, 3. curing face, 4. reflection circle, 5. fin.
The specific embodiment
Tell about specific embodiments below in conjunction with accompanying drawing and example.
The present invention adopts ultraviolet LED to substitute traditional light source, and will solidify face along charging aperture direction zoning design, and the curing uniformity is significantly improved, and substitutes lens with reflecting surface, saves cost, has overcome the absorption of lens to light, has improved efficient.
According to the Energy distribution on the curing face of radiation of light source characteristic that provides and required realization, the curing face of design curing machine is 200 millimeters in the length of side along the charging aperture direction, be 150 millimeters perpendicular to the length of side of charging aperture direction, as shown in Figure 1, arrow is represented the charging aperture direction among the figure, to be divided into 4 equal portions along the limit of the curing face of charging aperture direction, every part the length of side is 50 millimeters, curing face can be divided into 4 long be 150 millimeters, wide be 50 millimeters rectangle.
In Fig. 2, a ultraviolet LED and reflecting surface, a reflection circle constitute an optical element, the part light that ultraviolet LED sends shines directly into reflecting surface, all the other ultraviolet lights reflex to reflecting surface by the reflection circle, ultraviolet light shines on the curing face through behind the reflecting surface, form one long be 150 millimeters, wide is 50 millimeters rectangle;
Two back-to-back being installed on the fin of ultraviolet LED are shone same rectangular area jointly.
The light that LED sends is finally fallen on the curing face, can obtain irradiation intensity, list one group of differential equation, find the solution differential equation group with computer programming, the substitution primary condition, obtain one group of numerical solution of reflecting surface, it is the coordinate of each point on the reflecting surface, in modeling softwares such as these some importings Pro/E, fit to the model of free-form surface reflector, drawn reflector model is imported in the optics softwares such as TracePro again, the material properties of reflector is set, and optical system carried out ray tracing, further optimize reflecting surface according to the luminous intensity distribution result of simulation.
Correspondence is laid two optical elements directly over each rectangular centre, as shown in Figure 3, two optical elements form one group of optical element, many group optical elements get up to illuminate whole curing face along charging aperture direction permutation and combination directly over each rectangular centre, on curing face, form along the charging aperture direction and be 200 millimeters, be 150 millimeters rectangular light spot that the illumination of each point and radiation intensity all satisfy the requirement of evenly solidifying on the curing face after tested perpendicular to the charging aperture direction.
After tested, after using this ultraviolet LED and evenly solidifying design, start-up time, the body surface variations in temperature that is cured was less than 5 degrees centigrade less than 0.5 second, and the light decay of light is 1/3rd of a conventional lamp.
The foregoing description is illustrative principle of the present invention and effect only; and the embodiment of part, for the person of ordinary skill of the art, under the prerequisite that does not break away from the invention design; can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (2)
1. the design of a ultraviolet LED plane solidification equipment, it is characterized in that: according to the Energy distribution on the curing face of radiation of light source characteristic that provides and required realization, to solidify face and be divided into some equal portions along feedstock direction, every part is less than or equal to 50 millimeters, wide as rectangle, perpendicular to the limit of the curing face of the feedstock direction length as rectangle, curing face is divided into several wide rectangles that is less than or equal to 50 millimeters;
Every ultraviolet LED is equipped with a reflecting surface and a reflection circle, ultraviolet LED is placed in the reflection circle, the part ultraviolet light that LED sends directly shines reflecting surface, and all the other ultraviolet lights that LED sends reflex to reflecting surface by the reflection circle, and ultraviolet light shines curing face through behind the reflecting surface;
Ultraviolet LED and respective reflective surfaces, reflection circle form an optical element, place two optical elements directly over each rectangular centre, per two optical elements are as one group, organize more optical element along the charging aperture direction respectively directly over each rectangular centre along arranged in a straight line.
2. the design of a kind of ultraviolet LED according to claim 1 plane solidification equipment, it is characterized in that: reflecting surface is a free form surface, the reflection circle is an annulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110020238A CN102121607B (en) | 2011-01-11 | 2011-01-11 | Design scheme of ultraviolet LED (light emitting diode) plane solidifying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110020238A CN102121607B (en) | 2011-01-11 | 2011-01-11 | Design scheme of ultraviolet LED (light emitting diode) plane solidifying device |
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| Publication Number | Publication Date |
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| CN102121607A true CN102121607A (en) | 2011-07-13 |
| CN102121607B CN102121607B (en) | 2012-10-24 |
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| CN201110020238A Expired - Fee Related CN102121607B (en) | 2011-01-11 | 2011-01-11 | Design scheme of ultraviolet LED (light emitting diode) plane solidifying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109080259A (en) * | 2018-07-31 | 2018-12-25 | 珠海迈时光电科技有限公司 | A kind of UVLED curing light source system and its design method |
Citations (5)
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|---|---|---|---|---|
| CN101093786A (en) * | 2006-03-17 | 2007-12-26 | 应用材料股份有限公司 | Uv cure system |
| CN101238324A (en) * | 2005-06-07 | 2008-08-06 | 熔融Uv体系股份有限公司 | Solid-state light sources for curing and surface modification |
| US20090213200A1 (en) * | 2008-02-27 | 2009-08-27 | Seiko Epson Corporation | Printing device |
| JP2010114033A (en) * | 2008-11-10 | 2010-05-20 | Toshiaki Inoue | Led bulb for illuminating to which heat dissipation effect is characterized by high structure which can be irradiated in wide range |
| CN101736316A (en) * | 2005-05-09 | 2010-06-16 | 应用材料公司 | High efficiency uv cleaning of a process chamber |
-
2011
- 2011-01-11 CN CN201110020238A patent/CN102121607B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736316A (en) * | 2005-05-09 | 2010-06-16 | 应用材料公司 | High efficiency uv cleaning of a process chamber |
| CN101238324A (en) * | 2005-06-07 | 2008-08-06 | 熔融Uv体系股份有限公司 | Solid-state light sources for curing and surface modification |
| CN101093786A (en) * | 2006-03-17 | 2007-12-26 | 应用材料股份有限公司 | Uv cure system |
| US20090213200A1 (en) * | 2008-02-27 | 2009-08-27 | Seiko Epson Corporation | Printing device |
| JP2010114033A (en) * | 2008-11-10 | 2010-05-20 | Toshiaki Inoue | Led bulb for illuminating to which heat dissipation effect is characterized by high structure which can be irradiated in wide range |
Non-Patent Citations (2)
| Title |
|---|
| 《光学精密工程》 20070731 许文海，赵欢，芦永军 LED阵列式紫外固化光源光学系统设计 1032－1037 1－2 第15卷, 第7期 * |
| 《光电工程》 20090228 谢军，游立德，侯文杰 光固化快速成形中的紫外LED光学系统实验研究 100－104 1－2 第36卷, 第2期 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109080259A (en) * | 2018-07-31 | 2018-12-25 | 珠海迈时光电科技有限公司 | A kind of UVLED curing light source system and its design method |
| CN109080259B (en) * | 2018-07-31 | 2020-07-24 | 珠海迈时光电科技有限公司 | UV L ED curing light source system and design method thereof |
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| CN102121607B (en) | 2012-10-24 |
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