CN104913849B - A kind of face source black matrix and preparation method thereof - Google Patents
A kind of face source black matrix and preparation method thereof Download PDFInfo
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- CN104913849B CN104913849B CN201510140944.3A CN201510140944A CN104913849B CN 104913849 B CN104913849 B CN 104913849B CN 201510140944 A CN201510140944 A CN 201510140944A CN 104913849 B CN104913849 B CN 104913849B
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Abstract
The present invention provides a kind of face source black matrix and its manufacturing methods comprising: bottom plate, the bottom plate are used to form the support construction of face source black matrix；It is formed in the cone of the predetermined quantity on the bottom plate, the cone is arranged on the bottom plate in a predetermined manner；At least part of cone is an integral structure with the bottom plate, and at least the cone of another part is independent molding.Black matrix production in face source of the invention is simple, saves processing technology, reduces costs, and is easily manufactured, convenient for assembling rapidly, and the face source black matrix of large area can be made, have very high emissivity, meet the calibrating demand of infrared spectral coverage.
Description
Technical field
The present invention relates to a kind of black matrixes, more particularly, to a kind of face source black matrix and production method.
Background technique
Calibrated radiation source of the face source black matrix as infrared spectral coverage, is widely used in the calibration of infrared remote sensor, thermal imaging system.
With the development of infrared technique, using more and more extensive, temperature range is further expanded.Especially as earth observation systems
It establishes, infrared remote sensing camera design bore is increasing, it is desirable that the bore of face source black matrix is also increasing.For face source black matrix spoke
It penetrates for source, emissivity depends on the surface structure and coating in face source, the hair of different surface structure opposite source black body radiations
The rate of penetrating can have an impact, and can also make the emissivity of black matrix different using different coatings.
Currently, the surface of face source black matrix has the repeatable structure of array arrangement, the shape on surface will affect face
The emissivity of source blackbody radiation source, and be typically employed on whole plate and processed as face source black matrix, thus one
Cone outstanding is formed on block plate, however, the limitation of the working ability due to processing unit (plant), leads to the bottom of adjacent cone
The performance of area blackbody radiation source is influenced so that the emissivity of area blackbody radiation source reduces for plano-concave shape.
Summary of the invention
The object of the present invention is to provide a kind of area blackbody radiation sources with higher emissivity, and the corresponding face of manufacture
The method of source blackbody radiation source.
The present invention provides a kind of area blackbody radiation sources comprising: bottom plate, the bottom plate are used to form the branch of face source black matrix
Support structure；It is formed in the cone of the predetermined quantity on the bottom plate, the cone is arranged on the bottom plate in a predetermined manner
Cloth；It is characterized by: at least part of cone is an integral structure with the bottom plate, at least cone of another part
Body is independent molding.
Wherein, the cone is rectangular pyramid.
Wherein, which has the rectangular pyramid that matrix arrangement is presented, and the tetragonous centrum is N row, the square of M column
Battle array combination, wherein N is the integer greater than 1, and M is also the integer greater than 1.
Wherein, the cone angle range of the tetragonous centrum is at 18 °~30 °.
Wherein, the emissivity of face source black matrix is greater than 0.991.
The present invention provides a kind of manufacturing methods of area blackbody radiation source, it is characterised in that:
The plate of one monolith is provided；
The plate is processed, the centrum with bottom plate integral structure is formed with；
Scheduled distance is formed between adjacent centrum；
Individually moveable centrum is provided；
The moveable centrum is assembled with the bottom plate.
Wherein, the cone-shaped is become into tetragonous centrum.
Wherein, the cone angle range of the tetragonous centrum is formed between 18 °~30 °.
Wherein, high emissivity coating is covered on the surface of all cones, obtains the area blackbody radiation source of high emissivity.
Wherein, the rectangular pyramid is at rectangular arrangement.
The production of area blackbody radiation source of the invention is simple, saves processing technology, reduces costs, and manufacturer
Just, convenient for assembling rapidly, and the face source black matrix of large area can be made, there is very high emissivity, meet infrared spectral coverage
Calibrating demand.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of the face source black matrix of first embodiment of the invention；
Fig. 2 is the bottom surface structure schematic diagram of the face source black matrix of first embodiment of the invention；
Fig. 3 is the side structure schematic diagram of the face source black matrix of the first embodiment of the present invention；
Fig. 4 is the top view including fixed tetragonous centrum of first embodiment of the invention；
Fig. 5 be include pedestal tetragonous centrum structural schematic diagram；
Fig. 6 is the screw hole schematic diagram on pedestal；
Fig. 7 is the schematic perspective view of the face source black matrix of the first embodiment of the present invention；
Fig. 8 is the schematic top plan view of the face source black matrix of second embodiment of the invention；
Fig. 9 is the arrangement schematic diagram in hole on the bottom plate of second embodiment of the invention；
Figure 10 is the schematic perspective view of the face source black matrix of second embodiment of the invention.
Specific embodiment
To facilitate the understanding of the present invention, the embodiment of the present invention is illustrated with reference to the accompanying drawing, those skilled in the art
Member should be appreciated that following explanations only to facilitate explaining to invention, and not as the specific restriction to its range.
Embodiment one
As shown in Figure 1, the overlooking structure diagram of the face source black matrix of first embodiment of the invention, can see from Fig. 1,
The face source black matrix has the rectangular pyramid that matrix arrangement is presented, and face source black matrix is N row, and the matrix of M column combines, wherein N
For the integer greater than 1, M is also the integer greater than 1, when needing to be arranged the face source black matrix of larger area, sets N and M to be larger
Numerical value according to the needs of the size of specific face source black matrix, different number is set to can get large-sized face source black matrix
Tetragonous centrum can get various sizes of face source black matrix, meet the demand to the face source black matrix of different bores.
As shown in Fig. 2, the bottom surface structure schematic diagram of the face source black matrix of first embodiment of the invention, is in lattice-like on bottom surface
The hole of arrangement, in every a line, the distance between hole of arbitrary neighborhood is identical, and wherein the distance between hole of arbitrary neighborhood is d,
For the range of distance d between 1-100mm, the preferably range of the distance is 5-20mm, further distance d be 4mm, 6mm,
8mm, 10mm or other numerical value, above-mentioned numberical range is only to facilitate explanation, range not as the d that adjusts the distance and specific
The restriction of value, distance d might be less that 1mm, distance d can also be greater than 100mm, apply ring according to different face source black matrixes
Border, the d that can adjust the distance specifically are set, smaller distance d, indicate that the density of the tetragonous centrum in unit area is higher,
Otherwise the density of tetragonous centrum is lower.As shown in Figure 2, in certain a line, hole is arranged successively with distance d, adjacent with the row
Lastrow or next line in, distance of the hole relative to the mobile d/2 of lastrow, the distance between adjacent row is d/2.
As shown in figure 3, the side structure schematic diagram of the face source black matrix for the first embodiment of the present invention, rectangular pyramid is successively
Arrangement, the first cone 31 are combined together with bottom plate 32, and preferably the first cone 31 and bottom plate 32 are an integral structure.In the first cone
The two sides of body 31 have groove, are using processing unit (plant) machining type, sheet fabrication is gone out to the shape of the first cone 31, is then used
Tool processes groove in the two sides of the first cone, and the groove has certain depth and scheduled width, wherein the width
Degree is preferably d/2, is put into the first activity cone 33 in a groove, and the first activity cone 33 has pedestal, the pedestal
Height is identical as the depth of the high slot, and the pedestal is the shape matched with groove, for example, when groove is square, institute
The section for stating pedestal is also the square for being dimensioned slightly smaller than groove.The effect of pedestal is to be used to support rectangular pyramid disposed thereon
Body, various changes can be made for shape, can be the cylindrical body of support, as long as support function is realized, at the bottom of pedestal
Holding has the screw hole matched with bolt, and the bolt passed through from the hole of bottom plate can be realized four to pedestal and on pedestal
The fixation of pyramid.As shown in figure 4, being recessed in the first cone two sides when the surface of bottom plate only includes the first cone 31 when overlooking
Slot, cone are sequentially arranged at intervals with groove, wherein being groove at four bottom edges of any one rectangular pyramid.Fig. 5 is packet
The structural schematic diagram of the tetragonous centrum of pedestal is included, as shown in fig. 6, having screw hole on the bottom surface of pedestal.
As shown in fig. 7, the schematic perspective view of the face source black matrix of the first embodiment of the present invention.Face source black matrix is by four
The array structure of pyramid composition, mobilizable cone structure and fixed cone structure are alternatively arranged, and form face source black matrix, main
It to be made of identical rectangular pyramid, wherein cone angle range covers high emissivity on the surface of all cones at 18 °~30 °
Coating can get the area blackbody radiation source of higher emissivity, and wherein the emissivity of face source black matrix is preferably greater than 0.991.Face source
The rectangular pyramid acute angle of black matrix during the production and processing, due between adjacent fixation cone structure have groove, work easy to process
The operation of tool avoids cutting accumulation, ensure that the corner angle of cone are sharp, ensure that higher transmitting in terms of surface texture
Rate.
Embodiment two
As shown in figure 8, the schematic top plan view of the face source black matrix of second embodiment of the invention.Second embodiment is implemented with first
The identical place of example, the matrix structure form not arranged in repeated description, face source black matrix using N row, M, in certain a line, arbitrary neighborhood
Tetragonous centrum between there is distance d/2, and in the same row, tetragonous centrum is spaced apart with the hole on bottom plate, any phase
The distance between two adjacent holes are d, in the lastrow or next line of certain described a line, with d/2 between the hole of arbitrary neighborhood
Distance arrangement.As shown in figure 9, finding hole cross arrangement on line direction and column direction on bottom plate in terms of the bottom surface of bottom plate；Figure
10 be the schematic perspective view of the face source black matrix of second embodiment of the invention, when to sheet fabrication, around rectangular pyramid
Eight adjacent positions are provided with groove, have hole at the center of groove, due to being groove around single rectangular pyramid,
The cutting element of machining tool can guarantee the angle of processing, facilitate so that the processing is simple, and guarantee the acute angle of cone, tetragonous
Pedestal is processed into the lower end of cone, and the pedestal is integrated with rectangular pyramid, when plate construction after processing is completed, formed such as Figure 10
Shown in structure, the installation tetragonous centrum including pedestal as shown in Figure 5 later, bolt from bottom plate hole across and movable four
Screw hole cooperation on the pedestal of pyramid body, forms the face source black matrix of matrix arrangement.
The rectangular pyramid acute angle of face source black matrix during the production and processing, in order to avoid cutting accumulation, guarantees that corner angle are sharp, firstly,
It is completed by a complete material by cut-space in length and breadth, forms the rectangular pyramid being integrated with bottom plate, it is tetragonous being formed
After centrum, the groove of formation rule around the tetragonous centrum, the groove is with the tetragonous centrum on bottom plate with certain
Be spaced it is regularly arranged, then groove bottom centre formed hole, which can allow for bolt to pass through；Independently forming later can live
The dynamic tetragonous centrum with pedestal, bolt hole from bottom plate is passed through to be cooperated with the screw hole on the pedestal of movable tetragonous centrum,
Form the face source black matrix of matrix arrangement.As a processing example, the rectangular pyramid bottom edge is 18mm, and cone angle is 30 °, two
The mutual spacing of taper pyramid is 18mm, bottom plate to rectangular pyramid bottom edge with a thickness of 18mm, spacing convave trough groove depth is 8mm.
The via hole aperture of bottom plate blank space is Φ 6mm, for installing independent movable rectangular pyramid.The movable rectangular pyramid bottom side length
For 18mm, cone angle is 30 °, and bottom extends 8mm pedestal, the punching of pedestal bottom surface, hole depth 5mm, groove and movable rectangular pyramid
Installation matching, each rectangular pyramid are fixed on bottom plate by M5 screw.
The production of area blackbody radiation source of the invention is simple, saves processing technology, reduces costs, and manufacturer
Just, convenient for assembling rapidly, and the face source black matrix of large area can be made, there is very high emissivity, meet infrared spectral coverage
Calibrating demand.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (8)
1. a kind of face source black matrix comprising: bottom plate, the bottom plate are used to form the support construction of face source black matrix；It is formed in the bottom
The cone of predetermined quantity on plate, the cone are arranged on the bottom plate in a predetermined manner；The cone is that square is presented
The rectangular pyramid of configuration arrangement, the rectangular pyramid are N row, and the matrix combination of M column, wherein N is the integer greater than 1, and M is also big
In 1 integer；It is characterized by: the rectangular pyramid includes the first cone, first cone is an integral structure with bottom plate,
There is groove in the two sides of the first cone, sheet fabrication is gone out to the shape of the first cone using processing unit (plant), then uses tool
Groove is processed in the two sides of the first cone, the groove has certain depth and scheduled width, wherein the width is
D/2, is put into the first activity cone in a groove, and the first activity cone has a pedestal, the height of the pedestal with it is described recessed
The depth of slot is identical, and the pedestal is the shape matched with groove；At least part of cone and the bottom plate are one
Body formula structure, at least cone of another part are independent molding；In the hole of lattice-like arrangement on the bottom surface of bottom plate, every
In a line, the distance between hole of arbitrary neighborhood is identical, and wherein the distance between hole of arbitrary neighborhood is d, the range of distance d
Between 1-100mm；There is the screw hole matched with bolt in the bottom end of pedestal, the bolt passed through from the hole of bottom plate can be real
The now fixation of the first activity cone to pedestal and on pedestal；Before the first activity cone is installed, when vertical view, bottom plate
Surface only includes the first cone, is groove in the first cone two sides, the first cone is sequentially arranged at intervals with groove, wherein any
It is groove at four bottom edges of one the first cone, bolt is from the pedestal that the hole on bottom plate passes through with the first activity cone
Screw hole cooperation, forms the face source black matrix of matrix arrangement.
2. face source as described in claim 1 black matrix, it is characterised in that: the cone angle range of the rectangular pyramid is at 18 °~30 °.
3. face source as described in claim 1 black matrix, it is characterised in that: the emissivity of face source black matrix is greater than 0.991.
4. a kind of manufacturing method of face source as described in claim 1 black matrix, step include:
The plate of one monolith is provided；
The plate is processed, the cone with bottom plate integral structure is formed with；
Scheduled distance is formed between adjacent cone；
Individually moveable cone is provided；
The moveable cone is assembled with the bottom plate.
5. manufacturing method as claimed in claim 4, it is characterised in that: the cone-shaped is become rectangular pyramid.
6. manufacturing method as claimed in claim 5, it is characterised in that: the cone angle range of the rectangular pyramid is formed in 18 °
Between~30 °.
7. manufacturing method as claimed in claim 6, it is characterised in that: high emissivity coating is covered on the surface of all cones,
Obtain the area blackbody radiation source of high emissivity.
8. manufacturing method as claimed in claim 7, it is characterised in that: the rectangular pyramid is at rectangular arrangement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510140944.3A CN104913849B (en) | 2015-03-27 | 2015-03-27 | A kind of face source black matrix and preparation method thereof |
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| CN201510140944.3A CN104913849B (en) | 2015-03-27 | 2015-03-27 | A kind of face source black matrix and preparation method thereof |
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| CN104913849B true CN104913849B (en) | 2019-04-09 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910714B (en) * | 2016-04-13 | 2018-12-18 | 中国计量科学研究院 | A kind of high emissivity area blackbody radiation source and preparation method thereof |
| JP2018189841A (en) * | 2017-05-09 | 2018-11-29 | 日本電気株式会社 | Black body plate and infrared radiation measurement device |
| CN110411584B (en) * | 2019-07-10 | 2021-05-18 | 哈尔滨工业大学 | Ultrahigh-emissivity surface source black body device with array pyramid structure |
| CN112729569B (en) * | 2020-12-24 | 2022-04-12 | 浙江大华技术股份有限公司 | Surface source black body |
| CN114489178A (en) * | 2022-01-17 | 2022-05-13 | 上海卫星工程研究所 | Satellite-borne infrared radiation calibration source large-range temperature change control device for sun synchronous orbit satellite |
| CN117268561B (en) * | 2023-11-20 | 2024-02-09 | 电子科技大学 | Hollow pointed cone blackbody calibration source with low-reflectivity non-uniform wave-absorbing coating |
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| JPH0854285A (en) * | 1994-08-11 | 1996-02-27 | Tokai Carbon Co Ltd | Black body furnace |
| US6232614B1 (en) * | 1998-10-13 | 2001-05-15 | James W. Christy | Low-temperature blackbody radiation source |
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| CN201700016U (en) * | 2010-04-12 | 2011-01-05 | 上海福源光电技术有限公司 | Low-temperature large-area blackbody radiation source |
| CN104237133A (en) * | 2014-09-10 | 2014-12-24 | 北京环境特性研究所 | Determination method and determination device of normal emittance of pointed cone array plane black body |
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