CN110479647A - A kind of infrared sorting lighting source beam condensing unit - Google Patents
A kind of infrared sorting lighting source beam condensing unit Download PDFInfo
- Publication number
- CN110479647A CN110479647A CN201910715671.9A CN201910715671A CN110479647A CN 110479647 A CN110479647 A CN 110479647A CN 201910715671 A CN201910715671 A CN 201910715671A CN 110479647 A CN110479647 A CN 110479647A
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- CN
- China
- Prior art keywords
- light source
- center
- reflector
- reflective
- condensation light
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/10—Construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/403—Lighting for industrial, commercial, recreational or military use for machines
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Sorting Of Articles (AREA)
Abstract
The invention discloses a kind of infrared sorting lighting source beam condensing units, the beam condensing unit includes multiple condensation light source arrays, multiple condensation light source arrays are arranged in around crawler belt according to the lighting method of crawler belt, the condensation light source array in multiple condensation light sources of rods arranged in horizontal line by forming, the condensation light source structure is identical, it and include reflector and halogen lamp, the center of the reflector offers the circular hole that internal diameter is greater than halogen lamp diameter, the reflector is covered in medial surface by multiple wide reflective tape splicings, the center of circle of the reflective tape is located at the center of circular hole, and each reflective tape is made of the splicing of several reflective surfaces respectively, the present invention can be effectively solved illumination unevenness present in existing color sorting lighting device and lighting shadows problem, effectively shorten light compensating length.
Description
Technical field
The present invention relates to the technical fields for the color selector that photo-electric sorting is carried out for sheet or granular product, specially
A kind of infrared sorting lighting source beam condensing unit.
Background technique
With deepening continuously the continuous pursuit of expansion and people to quality of the life to material sorting or classification application market, color
It selects machine also to develop to infrared choosing from original color choosing, is extended to double infrared, more infrared lights from the infrared sorting machine of single wave band
Spectrum even infrared high spectrum sorting machine, wherein halogen lamp is because of its wide waveband, compared to infrared LED extract wave band it is flexible, it is versatile,
Low cost and high stability become the main stream light sources of infrared sorting machine, but are that light source calorific value is big the shortcomings that halogen lamp, light efficiency
Only about 10%, remaining about 90% energy is all converted to heat, and it is 360 degree luminous that halogen lamp, which shines, thus needs benefit
The utilization rate of light source is improved with secondary optical design, usually uses the transmission-type based on lens and the reflection based on reflector
The secondary optical design spotlight effect of formula, but halogen lamp its calorific value be unsuitable for greatly it is saturating using transmission optically focused especially plastics
Mirror, thus mainly use the reflecting condensation based on reflector mode, have Chinese patent CN201010221570,
CN201710890993 and CN201621168443, which is used, is based on paraboloid or ellipsoid reflection mode optically focused, adopts in these patents
It is that the reflector of line style that is to say only one-dimensional square optically focused, another dimension does not play spotlight effect, such energy benefit
It is high not enough with rate, it just needs to lengthen the effect that can be only achieved Uniform Illumination effective visible sensation region in the one-dimensional length of not optically focused,
Industry is called " light compensation ", i.e. light compensation is longer, causes the wider width of sorting machine in this way, the quantity of required lamp also increases
Add, increases cost and heat.And the arrangement of this lamp bead it is diluter when, the circle of beans or peanut, oval material, Huo Zhejuan
The material of bent plastic sheet needs the phenomenon that can generate material shade in the one-dimensional square of not optically focused in order to weaken such case
By halogen lamp solid matter, which not only adds cost and the complexity of heat dissipation is increased.
Summary of the invention
The invention discloses a kind of infrared sorting illuminating light source devices, and optically focused is all carried out on two dimension directions, make
With being on the one hand to reduce sorting machine " light compensation " length, thus reduce material cost, on the other hand eliminate round, ellipse
The shadow problem of round or curling material, improves accuracy of identification, to reduce increased because needing solid matter halogen lamp
Radiate complexity.And the invention discloses the reflectors in a kind of infrared sorting illuminating light source device to use reflector, that is, adopts
With the reflector of multiple reflective surfaces, the uniformity of two-dimensional direction is increased, reduces reflector installation mechanical tolerance requirements in this way,
To reduce manufacturing cost.
To achieve the above object, the invention provides the following technical scheme: a kind of infrared sorting lighting source beam condensing unit, institute
The beam condensing unit stated includes multiple condensation light source arrays, and multiple condensation light source arrays are arranged in crawler belt according to the lighting method of crawler belt
Around, the condensation light source array in multiple condensation light sources of rods arranged in horizontal line by forming, the condensation light source structure phase
It together, and include reflector and halogen lamp, the center of the reflector offers the circular hole that internal diameter is greater than halogen lamp diameter, institute
Reflector to be stated to be covered in medial surface by multiple wide reflective tape splicings, the center of circle of the reflective tape is located at the center of circular hole, and
And each reflective tape is made of the splicing of several reflective surfaces respectively, the quantity of the reflective surface of each reflective tape passes through reflective tape
The line at center to halogen lamp center and the linear relationship of halogen lamp center to the angle theta between the line at target area center are true
It is fixed.
Further, the linear relationship is N=2 π * sin (θ) * (R2+R)/W, wherein N is reflective on reflective tape
The quantity in face, and be rounded, θ is the center of reflective surface and the line and horizontal angle of halogen lamp, and R is the center of reflective surface
To the distance at target area center, R2For halogen lamp center to the distance at reflective surface center, the W is target area width.
Preferably, the material of the reflector is any one in metallic aluminium or glass.
Preferably, the reflector medial surface is any one in plane or curved surface.
Preferably, the cross section profile of the reflector medial surface is any one in rectangle, hexagon or spiral shape.
Preferably, reflector medial surface polishing and aluminizer.
Preferably, the spacing of the adjacent halogen lamp in same condensation light source array is greater than the collar extension diameter of reflector, and
Big 1~10mm.
Further, the lighting method of the crawler belt includes reflective illumination, transmission-type illumination and aerial transmission and anti-
The lighting method that the formula of penetrating combines, in which: when reflective illumination, two condensation light source arrays and camera in the same side of crawler belt,
And two condensation light source arrays are symmetrical arranged centered on the vertical line of camera to crawler belt;When transmission-type illuminates, condensation light source battle array
Column and camera are located at the two sides of crawler belt, and two condensation light source arrays are symmetrically set centered on the vertical line of camera to crawler belt
It sets;When aerial transmission and the reflective lighting method combined, there are two cameras for color selector setting, and two cameras distinguish position
Above and below route after material is dished out, corresponding each camera is respectively provided with that there are two ipsilateral condensation light source arrays, and
And two condensation light source arrays are symmetrical arranged centered on ipsilateral camera and material line.
Compared with prior art, beneficial effects of the present invention are as follows:
The invention device can be effectively solved illumination unevenness present in existing color sorting lighting device and illumination yin
Shadow problem effectively shortens light compensating length, reduces whole length, reduces installation alignment precision, keeps installation more accurate.
The quantity and power of science layout halogen lamp, light source is maximally utilized, the waste of luminous energy is reduced
Detailed description of the invention
Fig. 1 is condensation light source array schematic diagram of the invention;
Fig. 2 is the side view wire frame structure figure of reflector of the invention;
Fig. 3 is the forward sight wire frame structure figure of reflector of the invention;
Fig. 4 is that the section light of reflector of the invention propagates relation schematic diagram;
Fig. 5 is the even smooth schematic illustration of reflector of the invention;
Fig. 6 is the Illumination Distribution figure of spotlight effect of the invention;
Fig. 7 is three kinds of layout drawings of the corresponding three kinds of lighting methods of the present invention.
In figure: condensation light source array -1, condensation light source -10, reflector -11, halogen lamp -12, circular hole -13, reflective tape -
14, camera -51, crawler belt -52.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Attached drawing is please referred to, the invention discloses a kind of infrared sorting lighting source beam condensing units, including multiple condensation light sources
Array 1, the condensation light source array 1 are made of the multiple condensation light sources 10 for being arranged in linear type, the knot of each condensation light source 10
Structure is identical, and includes reflector 11 and halogen lamp 12, and the distance between each condensation light source 10 is equal and is greater than each
The collar extension diameter of reflector 11, typically larger than 1~10mm, by taking Fig. 1 as an example, the sorting lighting source beam condensing unit is reflective by 12
Cover 11 and corresponding halogen lamp 12 form, and halogen lamp power 10W, each reflector outside diameter is 50mm, between each light source
Distance is 55mm, and the leftmost side and rightmost side halogen lamp center-spaced total length are 605mm.
Fig. 2 illustrates the side view wire frame structure figure of single condensation light source 10, and Fig. 3 is its corresponding forward sight wire frame structure figure,
Including reflector 11, the substrate material of reflector is metallic aluminium or glass, and inner surface face type is plane or curved surface, the shape of inner surface
Shape can be rectangle, hexagonal or spiral-shaped, and using techniques such as machining, spinning or moldings, surface is by polishing
Simultaneously aluminizer is handled, round hole 13 is provided at reflector back-end central, generally rounded hole size is greater than the outer diameter of halogen lamp 12, circle
Shape hole 13 facilitates heat dissipation, and reflector 11 is covered in medial surface by multiple wide splicings of reflective tape 14, the circle of the reflective tape 14
The heart is located at the center of circular hole 13, and each reflective tape 14 is made of the splicing of several reflective surfaces 15 respectively, each annulus 14
Reflective surface quantity approximation is calculated by following formula: 2 π * sin (θ) * (R2+R)/W, and the quantity in the face takes approximate whole under normal conditions
Number, as shown in figure 4, in formula θ be halogen light source center O to reflective surface center A line and horizontal angle, with
θ changes (for example taking another band movement to from one), in order to obtain an equal amount of target width, the reflective surface of each annulus
Quantity change as θ changes, and generally for easy to manufacture, forces the reflective surface quantity of each annulus equal, this
The value of equal amount is determined according to the solid angle weight equal value in each face, the solid angle be each annulus face relatively in
Solid angle at heart O.
Shown in fig. 5 is the even smooth principle of reflector, is irradiated to polygonal mirror by the diffusion light beam that light source center issues
Reflective surface on, by each face reflect light beam be irradiated to width be W target area on be overlapped, S1 in Fig. 5,
The light beam of four reflective surfaces reflection of S2, S3, S4, which is all irradiated on the CBD of target area, to be overlapped, and target area CBD is increased
Illumination uniformity.Fig. 6 be by array arrangement shown in FIG. 1 beam condensing unit front distance be 200mm illumination it is equal
Even property software simulates Illumination Distribution figure, and 80% uniformity length of X-direction is 580mm (leftmost side reflector and rightmost side reflector
Center is away from for 605mm): the light compensating length of color selector is substantially reduced, to effectively shorten the length of complete machine;Longitudinal 98%
The width of uniformity is 30mm, to reduce the installation tilt accuracy of whole lamp.It, can if further increasing illumination uniformity
By weakening single lamp bead power, increase the quantity of whole lamp, in the case where not increasing lamp bead general power, to improve infrared point
The illumination uniformity of system.The light of collimation is conducive to the shadow of shade produced by reducing or eliminating round, ellipse or curling material
It rings, plays " no shadow " illuminating effect.
Fig. 7 is three kinds of primary illumination modes that illuminating light source device disclosed herein is applied to infrared sorting illumination, Fig. 7
It (a) is only reflective illumination on crawler belt 52, wherein in the same side, Fig. 7 (b) is crawler belt 52 for condensation light source array 1 and camera 51
Upper only transmission-type illumination, wherein respectively in the two sides of crawler belt 52, Fig. 7 (c) is aerial transmission for condensation light source array 1 and camera 51
With the reflective lighting method combined, wherein condensation light source array 1 and camera 51 have in ipsilateral and two sides and in symmetrical
Arrangement.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of infrared sorting lighting source beam condensing unit, it is characterised in that: the beam condensing unit includes multiple condensation light sources
Array, multiple condensation light source arrays are arranged in around crawler belt according to the lighting method of crawler belt, and the condensation light source array is by being in
Multiple condensation light sources of rods arranged in horizontal line form, and the condensation light source structure is identical, and include reflector and halogen lamp,
The center of the reflector offers the circular hole that internal diameter is greater than halogen lamp diameter, and the reflector is in medial surface by multiple wide
Reflective tape splicing is covered with, and the center of circle of the reflective tape is located at the center of circular hole, and each reflective tape is reflective by several respectively
Face splicing composition, the quantity of the reflective surface of each reflective tape pass through the center of reflective tape to the line and halogen at halogen lamp center
The linear relationship of lamp center to the angle theta between the line at target area center determines.
2. a kind of infrared sorting lighting source beam condensing unit according to claim 1, it is characterised in that: the linear pass
System is N=2 π * sin (θ) * (R2+R)/W, wherein N is the quantity of the reflective surface on reflective tape, and is rounded, and θ is reflective surface
The line and horizontal angle at center and halogen lamp, R are distance of the center of reflective surface to target area center, R2For halogen
To the distance at reflective surface center, the W is target area width at lamp center.
3. a kind of infrared sorting lighting source beam condensing unit according to claim 2, it is characterised in that: the reflector
Material be any one in metallic aluminium or glass.
4. a kind of infrared sorting lighting source beam condensing unit according to claim 3, it is characterised in that: the reflector
Medial surface is any one in plane or curved surface.
5. a kind of infrared sorting lighting source beam condensing unit according to claim 4, it is characterised in that: the reflector
The cross section profile of medial surface is any one in rectangle, hexagon or spiral shape.
6. a kind of infrared sorting lighting source beam condensing unit according to claim 5, it is characterised in that: the reflector
Medial surface polishing and aluminizer.
7. a kind of infrared sorting lighting source beam condensing unit according to claim 6, it is characterised in that: same condensation light source
The spacing of adjacent halogen lamp in array is greater than the collar extension diameter of reflector, and big 1~10mm.
8. a kind of infrared sorting lighting source beam condensing unit according to claim 7, it is characterised in that: the photograph of the crawler belt
Bright mode includes reflective illumination, transmission-type illumination and aerial transmission and the reflective lighting method combined, in which: reflection
When formula illuminates, two condensation light source arrays and camera are in the same side of crawler belt, and two condensation light source arrays are with camera to shoe
It is symmetrical arranged centered on the vertical line of band;When transmission-type illuminates, condensation light source array and camera are located at the two sides of crawler belt, and
Two condensation light source arrays are symmetrical arranged centered on the vertical line of camera to crawler belt;Aerial transmission and the reflective illumination combined
When mode, there are two cameras for color selector setting, and two cameras are located above and below the route after material is dished out,
Corresponding each camera is respectively provided with there are two ipsilateral condensation light source array, and two condensation light source arrays with ipsilateral camera with
It is symmetrical arranged centered on material line.
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CN201910715671.9A CN110479647A (en) | 2019-08-05 | 2019-08-05 | A kind of infrared sorting lighting source beam condensing unit |
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CN201910715671.9A CN110479647A (en) | 2019-08-05 | 2019-08-05 | A kind of infrared sorting lighting source beam condensing unit |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111751338A (en) * | 2020-06-17 | 2020-10-09 | 安徽中科光电色选机械有限公司 | Ultraviolet spotlight illumination and tungsten ore fluorescence detection device and 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 |
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CN102269355A (en) * | 2010-12-31 | 2011-12-07 | 北京谊安医疗系统股份有限公司 | Medical lighting device with double light sources |
CN103350074A (en) * | 2013-06-20 | 2013-10-16 | 安徽中科光电色选机械有限公司 | Plastic sheet color separating and sorting device |
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CN205496092U (en) * | 2016-03-31 | 2016-08-24 | 合肥美亚光电技术股份有限公司 | Color sorter |
CN205938765U (en) * | 2016-08-11 | 2017-02-08 | 珠海西格医疗设备有限公司 | Catoptric system of reflective LED oral cavity lamp |
CN207695171U (en) * | 2017-11-09 | 2018-08-07 | 合肥美亚光电技术股份有限公司 | Fresh tea leaves sorting unit |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN101406885A (en) * | 2008-11-07 | 2009-04-15 | 浙江大学 | Multicolour LED vision image light source system for automatic grading of fruits |
CN102269355A (en) * | 2010-12-31 | 2011-12-07 | 北京谊安医疗系统股份有限公司 | Medical lighting device with double light sources |
CN103511856A (en) * | 2012-06-19 | 2014-01-15 | 海洋王照明科技股份有限公司 | Lamp with spotlight and floodlight functions |
CN103350074A (en) * | 2013-06-20 | 2013-10-16 | 安徽中科光电色选机械有限公司 | Plastic sheet color separating and sorting device |
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CN205938765U (en) * | 2016-08-11 | 2017-02-08 | 珠海西格医疗设备有限公司 | Catoptric system of reflective LED oral cavity lamp |
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Cited By (3)
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CN111751338A (en) * | 2020-06-17 | 2020-10-09 | 安徽中科光电色选机械有限公司 | Ultraviolet spotlight illumination and tungsten ore fluorescence detection device and 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 |
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: 20191122 |