CN107552416A - A kind of color selector light source beam condensing unit - Google Patents
A kind of color selector light source beam condensing unit Download PDFInfo
- Publication number
- CN107552416A CN107552416A CN201710890993.8A CN201710890993A CN107552416A CN 107552416 A CN107552416 A CN 107552416A CN 201710890993 A CN201710890993 A CN 201710890993A CN 107552416 A CN107552416 A CN 107552416A
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- China
- Prior art keywords
- light source
- halogen light
- color selector
- condensing unit
- beam condensing
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Abstract
The invention discloses a kind of color selector light source beam condensing unit, it is related to color selector technical field.Including multiple halogen light sources；And the curved reflection structure positioned at the separation of halogen light source both sides；Curved reflection structure includes parabola reflective structure or ellipsoid reflective structure；The filament of halogen light source is located at the focal position of curved reflection；The scope that position adjustments amount of the halogen light source in focal position is 0 2mm；Power supply for halogen light source power supply.The present invention can carry out optically focused by concentration structure in the case where not increasing light source power to light source so that the light signal strength of illuminated object effective coverage substantially increases, so as to meet the requirement of near-infrared color sorting illumination intensity；It can be widely applied to visible ray, the illumination of near-infrared color sorting.
Description
Technical field
The invention belongs to color selector technical field, more particularly to a kind of color selector light source beam condensing unit.
Background technology
At present, LED light source has been commonly used for the illumination of color selector, and its is cheap, and the life-span is high；But existing color selector
The LED light source used is mostly visible light source, and the infrared LED light source price higher than 900nm is all very expensive, and wave band is narrower,
Can not meet the needs of near infrared multispectral application.Therefore, Halogen lamp LED is as a kind of lighting source of full spectrum, its luminous efficiency
Though it is high to be not so good as LED, usual power can accomplish hectowatt on tens, and cheap, be near-infrared broadband illumination light source
It is preferred.
Halogen lamp LED filament lights under the conditions of electrically heated, and lighting angle is 360 degree, and the illumination of actual color selector only needs
Light source is irradiated to specific a certain size area, if directly illuminated using Halogen lamp LED, it is clear that light source effective rate of utilization is very low, leads to
Often less than 10%, illumination intensity can be caused insufficient, the method by increasing light source power can make up light source deficiency to a certain degree
The problem of, but intensity of light source increase is limited, and caloric value and power consumption can all increase after increase power.Therefore, how not increase
On the premise of Halogen lamp LED power, the problem of illumination efficiency for improving halogen light source will be one important.
CN104676297A " a kind of Halogen lamp LED component of light-gathering " gives a kind of beam condensing unit of concavees lens shape, recessed
The inside of lens is coated with mercury coating, and during optically focused, Halogen lamp LED is arranged on to the focal position of concavees lens.Due to using lens knot
Structure, actual size is smaller, can only be to each Halogen lamp LED optically focused, and can not be to row's Halogen lamp LED optically focused, lens material price in addition
Costliness, unsuitable commercial Application.
A kind of optically focused signal of Halogen lamp LED is given in CN103480586A " a kind of double infrared online quality of material separator devices "
Figure, illuminated using 300~500W big Halogen lamp LED, but the patent does not provide specific structure, and single Halogen lamp LED power is very
Greatly, heat is easily concentrated, and influences separatory vessel internal heat dissipating.
From the above analysis, Halogen lamp LED optically focused can effectively improve the utilization ratio of light, but there is presently no a kind of structure
Single light source effectively can be subjected to optically focused, therefore, existing concentration structure is all difficult to meet color selector application requirement.
The content of the invention
It is an object of the invention to provide a kind of color selector light source beam condensing unit, and light source is gathered by concentration structure
Light so that the light signal strength of illuminated object effective coverage substantially increases, so as to meet the requirement of near-infrared color sorting illumination intensity.
The present invention is achieved by the following technical solutions：
The present invention is a kind of color selector light source beam condensing unit, including multiple halogen light sources；And positioned at halogen light
The curved reflection structure of source both sides separation；The curved reflection structure includes parabola reflective structure or ellipsoid reflective structure；
The filament of the halogen light source is located at the focal position of curved reflection；Also, the halogen light source is in the position of focal position
Put the scope that regulated quantity is 0-2mm；Power supply for halogen light source power supply.
Further, the halogen light source is small bulbs or elongated cylindrical halogen light source；The halogen light source
It is distributed by the way of linear array or annular array.
Further, the curved reflection body structure surface is also compounded with reflective membrane；The thickness of the reflective membrane is in 0.1mm-
0.5mm scope.The light that curved reflection structure is used to send Halogen lamp LED carries out optically focused.
Further, the reflective membrane is compounded on curved reflection body structure surface using vacuum coating or thin metal film.
Further, the parabola reflective structure is made up of one group of symmetrical half paraboloid plate；The Halogen lamp LED
The filament of light source is located at the focal position of half paraboloid plate, and the focal length of parabola reflective structure is f, and f is 3mm~10mm's
Scope.
Further, the focal length of the parabola reflective structure is f, and f is 3mm~4mm scope.
Further, the semiellipse face that the ellipsoid reflective structure is made up of one group of oval panel in symmetrical 1/4
Type structure.
Further, the semiellipse surface structure includes the first focal position and the second focal position；Described first is burnt
Point position is located at the first focal position, the light of the halogen light source in semiellipse face type, the filament of the halogen light source
Second focal position is reflexed to by semiellipse surface structure.
The invention has the advantages that：
The present invention can carry out optically focused so that quilt by concentration structure in the case where not increasing light source power to light source
The light signal strength of illumination object effective coverage substantially increases, so as to meet the requirement of near-infrared color sorting illumination intensity；It can answer extensively
Illuminated for visible ray, near-infrared color sorting.
Certainly, any product for implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, used required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is a kind of structural representation of color selector light source beam condensing unit of the present invention；
Fig. 2 is to be not added with beam condensing unit plane of illumination simulated effect figure；
Fig. 3 is the concentration structure schematic diagram of the embodiment of the present invention one；
Fig. 4 is the concentration structure light analogous diagram of embodiment one；
Fig. 5 is the concentration structure simulated effect figure of embodiment one；
Fig. 6 is the concentration structure structure principle chart of embodiment two；
Fig. 7 is the concentration structure light analogous diagram of embodiment two；
Fig. 8 is the concentration structure simulated effect figure of embodiment two；
In accompanying drawing, the list of parts representated by each label is as follows：
1：Halogen light source；2：Filament；20：Light；30：Observe material point；40：Power supply；101~104：Concentration structure；
201~204：Reflective membrane.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " perforate ", " on ", " under ", " thickness ", " top ", " in ",
Indicating position or the position relationship such as " length ", " interior ", " surrounding ", it is for only for ease of the description present invention and simplifies description, without
It is that the component of instruction or hint meaning or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.
Fig. 2 is shown in the case where being not added with snoot 101~104, when light source is to illuminated area distance 150mm, illuminated area
The distribution of luminous intensity, light source total length 900mm, using Tracepro as simulation software, the length of illuminated area is set during emulation
For 1000mm, it can be seen that under conditions of snoot 101~104 is not added with, light source illumination width is very wide (ordinate in Fig. 2),
Corresponding illumination width is more than 150mm during 80% light intensity, and illumination width only needs dozens of millimeter during actual color sorting, therefore
Most illumination belong to invalid illumination.
Embodiment one
As shown in figures 1 and 3, concentration structure 101~102 is parabola reflective structure, paraboloid structure 101~102
Focal length is f, usually 3mm~10mm, to reduce the size of concentration structure 101~102, it is preferred that focal length f is set
It is that the reflected light of outgoing is when spot light is located at paraboloidal focal position the characteristics of parabolic concentrator structure for 3~4mm
Directional light.Shown in Fig. 3 and the filament 2 of halogen light source 1 is placed on focal position, and can finely tuned in the range of -2~2mm
Section, in this adjustable range, light source can gather the approximately parallel position for focusing on test surface of light 20, material 30 positioned at light beam
In burnt scope, actual light emulation is as shown in Figure 4.Shown in Fig. 5 halogen light source 1 by parabola reflective structure 101~
After 102 optically focused, corresponding illumination width is about 25mm during 80% light intensity, center illumination than not optically focused situation improve 4.5 times with
On.Power supply 40 is used to power to halogen light source 1.
Preferably, described parabola reflective structure 101~102, would generally increase in paraboloidal inner surface 201~202
Reflective membrane 201~204 is added to improve specular reflectivity.
Described reflective membrane can be conventional true to be carried out in the inner surface 201~202 of parabola reflective structure 101~102
Empty plated film；
Technique is more excellent, and one layer can be directly pasted using mirror face stainless steel shaping or directly on inner surface 201~202
Thin metal film.
Described thin metal film thickness is no more than 0.5mm.
Embodiment two
Fig. 6 shows second of near-infrared light source concentration structure schematic diagram of this patent, and concentration structure 103~104 is ellipse
Disc type concentration structure, ellipsoid reflective structure 103~104 have the characteristics of two focal positions, ellipsoid concentration structure be by
The light that the spot light of first focal position is sent can be by ellipsoid reflecting focal to the second focal position.Shown in Fig. 6 by
The filament 2 of halogen light source 1 is placed on the first focal position of ellipsoid reflective structure 103~104, and can be in -2~2mm models
Interior fine adjustment is enclosed, in this adjustable range, light source can focus on light 20 second Jiao of ellipsoid reflective structure 103~104
Point position, material 30 are located in light beam focusing range, and actual light emulation is as shown in Figure 7.Halogen light source 1 is shown in Fig. 8
After the optically focused of ellipsoid type concentration structure 103~104, corresponding illumination width is about 25mm during 80% light intensity, center illumination
More than six times are improved than not optically focused situation.Power supply 40 is used to power to halogen light source.
Described ellipsoid reflective structure 103~104 compared to the parabola reflective structure 101~102 in embodiment one,
The illuminance that central ray focuses on is bigger, but size is more than 2 times of parabola reflective structure 101~102.
Fig. 1 shows the axial observation figure of above-mentioned ellipsoid reflective structure 103~104, and ellipsoid reflective structure is divided into two
Individual part 103 and 104, assembling is made respectively.
The described inner surface of ellipsoid reflective structure 103~104 is respectively provided with higher reflectivity, generally reflective in ellipsoid
Increase reflective membrane on the inner surface 203~204 of structure 103~104 and improve reflectivity.
Described reflective membrane can be conventional true to be carried out in the inner surface 201~202 of parabola reflective structure 101~102
Empty plated film；
Technique is more excellent, and one layer can be directly pasted using mirror face stainless steel shaping or directly on inner surface 201~202
Thin metal film.
Described thin metal film thickness is no more than 0.5mm.
Structure described in axial observation Fig. 1 is equally applicable to parabola reflective structure 101~102.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example describe
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, it is only described embodiment also not limit the invention.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (8)
- A kind of 1. color selector light source beam condensing unit, it is characterised in that including：Multiple halogen light sources；AndPositioned at the curved reflection structure of halogen light source both sides separation；The curved reflection structure includes parabola reflective structure or ellipsoid reflective structure；The filament of the halogen light source is located at the focal position of curved reflection；Also, the halogen light source is in focal position Position adjustments amount be 0-2mm scope；Power supply for halogen light source power supply.
- 2. a kind of color selector light source beam condensing unit according to claim 1, it is characterised in that the halogen light source is Small bulbs or elongated cylindrical halogen light source；The halogen light source is divided by the way of linear array or annular array Cloth.
- A kind of 3. color selector light source beam condensing unit according to claim 1, it is characterised in that the curved reflection structure Surface is also compounded with reflective membrane；Scope of the thickness of the reflective membrane in 0.1mm-0.5mm.
- 4. a kind of color selector light source beam condensing unit according to claim 3, it is characterised in that the reflective membrane is using true Empty plated film or thin metal film are compounded on curved reflection body structure surface.
- A kind of 5. color selector light source beam condensing unit according to claim 1, it is characterised in that the reflective knot of parabola Structure is made up of one group of symmetrical half paraboloid plate；The filament of the halogen light source is located at the focus position of half paraboloid plate Put, the focal length of parabola reflective structure is f, and f is 3mm~10mm scope.
- A kind of 6. color selector light source beam condensing unit according to claim 5, it is characterised in that the reflective knot of parabola The focal length of structure is f, and f is 3mm~4mm scope.
- A kind of 7. color selector light source beam condensing unit according to claim 1, it is characterised in that the reflective knot of ellipsoid The semiellipse surface structure that structure is made up of one group of oval panel in symmetrical 1/4.
- A kind of 8. color selector light source beam condensing unit according to claim 7, it is characterised in that the semiellipse face type knot Structure includes the first focal position and the second focal position；First focal position is in semiellipse face type, the halogen light source Filament be located at the first focal position, the light of the halogen light source reflexes to the second focus position by semiellipse surface structure Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890993.8A CN107552416A (en) | 2017-09-27 | 2017-09-27 | A kind of color selector light source beam condensing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890993.8A CN107552416A (en) | 2017-09-27 | 2017-09-27 | A kind of color selector light source beam condensing unit |
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| CN107552416A true CN107552416A (en) | 2018-01-09 |
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| CN201710890993.8A Pending CN107552416A (en) | 2017-09-27 | 2017-09-27 | A kind of color selector light source beam condensing unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764275A (en) * | 2019-01-21 | 2019-05-17 | 合肥泰禾光电科技股份有限公司 | A kind of reflective die set of infrared king light and construction method |
| CN112024455A (en) * | 2020-08-25 | 2020-12-04 | 合肥泰禾光电科技股份有限公司 | Infrared main lamp device |
| CN113551202A (en) * | 2020-04-26 | 2021-10-26 | 湖南辰东科技有限公司 | Combined optical device of full-concave parabolic reflector |
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| US4942507A (en) * | 1986-11-12 | 1990-07-17 | Auer-Sog Glaswerke Gmbh | Reflector for dental and surgical operating room lighting fixtures |
| TW568989B (en) * | 2000-07-14 | 2004-01-01 | Kyoto Denkiki Co Ltd | Linear illuminating device |
| CN101681087A (en) * | 2007-06-21 | 2010-03-24 | 松下电器产业株式会社 | Light source device and projection display device using the same |
| CN101943371A (en) * | 2009-07-02 | 2011-01-12 | 株式会社安西总合研究所 | The lighting device that is used for separator |
| CN204746903U (en) * | 2015-05-29 | 2015-11-11 | 合肥美亚光电技术股份有限公司 | Sorting unit of material |
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Patent Citations (5)
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| US4942507A (en) * | 1986-11-12 | 1990-07-17 | Auer-Sog Glaswerke Gmbh | Reflector for dental and surgical operating room lighting fixtures |
| TW568989B (en) * | 2000-07-14 | 2004-01-01 | Kyoto Denkiki Co Ltd | Linear illuminating device |
| CN101681087A (en) * | 2007-06-21 | 2010-03-24 | 松下电器产业株式会社 | Light source device and projection display device using the same |
| CN101943371A (en) * | 2009-07-02 | 2011-01-12 | 株式会社安西总合研究所 | The lighting device that is used for separator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764275A (en) * | 2019-01-21 | 2019-05-17 | 合肥泰禾光电科技股份有限公司 | A kind of reflective die set of infrared king light and construction method |
| CN113551202A (en) * | 2020-04-26 | 2021-10-26 | 湖南辰东科技有限公司 | Combined optical device of full-concave parabolic reflector |
| CN112024455A (en) * | 2020-08-25 | 2020-12-04 | 合肥泰禾光电科技股份有限公司 | Infrared main lamp device |
| CN112024455B (en) * | 2020-08-25 | 2022-01-21 | 合肥泰禾智能科技集团股份有限公司 | Infrared main lamp device |
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Application publication date: 20180109 |
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| RJ01 | Rejection of invention patent application after publication |