CN104913849A - Surface source black body and manufacturing method thereof - Google Patents
Surface source black body and manufacturing method thereof Download PDFInfo
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- CN104913849A CN104913849A CN201510140944.3A CN201510140944A CN104913849A CN 104913849 A CN104913849 A CN 104913849A CN 201510140944 A CN201510140944 A CN 201510140944A CN 104913849 A CN104913849 A CN 104913849A
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- base plate
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- extend blackbody
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Abstract
The invention provides a surface source black body and a manufacturing method thereof. The surface source black body comprises a base plate and cones. The base plate is used for forming a support structure of the surface source black body. The predetermined number of cones is formed on the base plate. The cones are arranged on the base plate according to a predetermined mode. At least one part of the cones and the base plate form one body. And at least the other part of the cones is formed independently. The manufacturing of the surface source black body is simple. A processing technology is saved and cost is reduced. Manufacturing is convenient and the surface source black body is convenient to rapidly assemble. A large area of the surface source black body can be made. A high emissivity is possessed. And a verification demand of an infrared spectrum segment is satisfied.
Description
Technical field
The present invention relates to a kind of black matrix, especially relate to a kind of extend blackbody and method for making.
Background technology
Extend blackbody, as the calibrated radiation source of infrared spectral coverage, is widely used in the demarcation of infrared remote sensor, thermal imaging system.Along with the development of infrared technique, its application is more and more extensive, and temperature range further expands.Especially along with the foundation of earth observation systems, infrared remote sensing camera design bore is increasing, requires that the bore of extend blackbody is also increasing.For area blackbody radiation source, its emissivity depends on surface structure and the coating in source, face, and the emissivity of different source, surface structure opposite blackbody radiations can have an impact, and adopts different coatings that the emissivity of black matrix also can be made different.
At present, the surface of extend blackbody has the repeatable structure of array arrangement, the shape on its surface can affect the emissivity of area blackbody radiation source, and to be typically employed on overall sheet material as extend blackbody and to process, thus outstanding cone is formed on one block of sheet material, but, due to the restriction of the working ability of processing unit (plant), the bottom causing adjacent cone is plano-concave shape, thus the emissivity of area blackbody radiation source is reduced, and affects the performance of area blackbody radiation source.
Summary of the invention
The object of this invention is to provide a kind of area blackbody radiation source with higher emissivity, and manufacture the method for corresponding area blackbody radiation source.
The invention provides a kind of area blackbody radiation source, it comprises: base plate, and this base plate is for the formation of the supporting construction of extend blackbody; Be formed at the cone of the predetermined quantity on described base plate, described cone is arranged on described base plate according to predetermined mode; It is characterized in that: described cone at least partially and described base plate are integral type structure, at least the described cone of another part is independent shaping.
Wherein, described cone is rectangular pyramid.
Wherein, this extend blackbody has the rectangular pyramid presenting matrix arrangement, and described four rib centrums are that N is capable, M row matrix combination, wherein N be greater than 1 integer, the integer of M also for being greater than 1.
Wherein, the cone angle scope of described four rib centrums is at 18 ° ~ 30 °.
Wherein, the emissivity of described extend blackbody is greater than 0.991.
The invention provides a kind of manufacture method of area blackbody radiation source, it is characterized in that:
The sheet material of one monoblock is provided;
Described sheet material is processed, is formed with the centrum with base plate integral structure;
Predetermined distance is formed between adjacent centrum;
Independent moveable centrum is provided;
Described moveable centrum and described base plate are assembled.
Wherein, described cone-shaped is become four rib centrums.
Wherein, the cone angle scope of described four rib centrums is formed between 18 ° ~ 30 °.
Wherein, at the surface coverage high emissivity coating of all cones, obtain the area blackbody radiation source of high emissivity.
Wherein, described rectangular pyramid becomes rectangular arrangement.
The making of area blackbody radiation source of the present invention is simple, saves processing technology, reduces cost, and easily manufactured, is convenient to rapid assembling, and can makes large-area extend blackbody, have very high emissivity, meet the calibrating demand of infrared spectral coverage.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the extend blackbody of first embodiment of the invention;
Fig. 2 is the bottom surface structure schematic diagram of the extend blackbody of first embodiment of the invention;
Fig. 3 is the side structure schematic diagram of the extend blackbody of the first embodiment of the present invention;
Fig. 4 be first embodiment of the invention comprise the vertical view fixing four rib centrums;
Fig. 5 is the structural representation of the four rib centrums comprising base;
Fig. 6 is the screw schematic diagram on base;
Fig. 7 is the perspective view of the extend blackbody of the first embodiment of the present invention;
Fig. 8 is the schematic top plan view of the extend blackbody of second embodiment of the invention;
Fig. 9 be second embodiment of the invention base plate on the arrangement schematic diagram in hole;
Figure 10 is the perspective view of the extend blackbody of second embodiment of the invention.
Embodiment
For the ease of understanding the present invention, below in conjunction with accompanying drawing, embodiments of the invention being described, it will be appreciated by those skilled in the art that following explanation is just for the ease of making an explanation to invention, and not as the concrete restriction to its scope.
Embodiment one
As shown in Figure 1, the plan structure schematic diagram of the extend blackbody of first embodiment of the invention, can see from Fig. 1, this extend blackbody has the rectangular pyramid presenting matrix arrangement, described extend blackbody is that N is capable, the matrix combination of M row, wherein N be greater than 1 integer, the integer of M also for being greater than 1, when needing the extend blackbody arranging larger area, setting N and M is larger numerical value, thus large-sized extend blackbody can be obtained, according to the needs of the size of concrete extend blackbody, the four rib centrums arranging varying number can obtain the extend blackbody of different size, meet the demand to the extend blackbody of different bore.
As shown in Figure 2, the bottom surface structure schematic diagram of the extend blackbody of first embodiment of the invention, the hole of the arrangement in lattice-like on bottom surface, in every a line, distance between the hole of arbitrary neighborhood is identical, distance between the hole of wherein arbitrary neighborhood is d, the scope of this distance d is between 1-100mm, preferably the scope of this distance is 5-20mm, further this distance d is 4mm, 6mm, 8mm, 10mm or other numerical value, above-mentioned numerical range just for convenience of explanation, it is not as the scope of the d that adjusts the distance and the restriction of occurrence, distance d also can be less than 1mm, distance d also can be greater than 100mm, according to the applied environment of different extend blackbodies, the d that can adjust the distance specifically sets, less distance d, represent that the density of four rib centrums in unit area is higher, otherwise the density of four rib centrums is lower.As shown in Figure 2, in certain a line, hole is arranged in order with distance d, and in the lastrow adjacent with this row or next line, the distance of d/2 is moved relative to lastrow in hole, and the distance between adjacent row is d/2.
As shown in Figure 3, be the side structure schematic diagram of the extend blackbody of the first embodiment of the present invention, rectangular pyramid is arranged in order, and the first cone 31 combines with base plate 32, and preferably the first cone 31 and base plate 32 are integral type structure.In the both sides of the first cone 31, there is groove, at employing processing unit (plant) machining type, sheet fabrication is gone out the shape of the first cone 31, then instrument is adopted to process groove in the both sides of the first cone, described groove has certain degree of depth and predetermined width, wherein said width is preferably d/2, put into the first activity cone 33 in a groove, described first activity cone 33 has base, the height of described base is identical with the degree of depth of described high groove, described base is the shape with fit depressions, such as, when groove is square, the cross section of described base is also for being dimensioned slightly smaller than the square of groove.The effect of base is for support level rectangular pyramid thereon, various changes can be made for its shape, can for the right cylinder supported, as long as it realizes support function, have the screw matched with bolt in the bottom of base, the bolt passed from the hole of base plate can realize base and be positioned at the fixing of rectangular pyramid on base.As shown in Figure 4, when overlooking, when the surface of base plate only includes the first cone 31, be groove in the first cone both sides, cone and groove are spaced successively, are wherein all grooves at four bases place of any one rectangular pyramid.Fig. 5 is the structural representation of the four rib centrums comprising base, as shown in Figure 6, the bottom surface of base has screw.
As shown in Figure 7, the perspective view of the extend blackbody of the first embodiment of the present invention.The array structure that extend blackbody is made up of rectangular pyramid, mobilizable cone structure and fixing cone structure are spaced, define extend blackbody, form primarily of identical rectangular pyramid, wherein cone angle scope is at 18 ° ~ 30 °, at the surface coverage high emissivity coating of all cones, can obtain the area blackbody radiation source of higher emissivity, wherein the emissivity of extend blackbody is preferably greater than 0.991.The rectangular pyramid acute angle of extend blackbody adds man-hour in making, owing to having groove between adjacent fixed cone body structure, is convenient to the operation of machining tool, avoids cutting and piles up, and ensure that the corner angle of cone are sharp-pointed, ensure that higher emissivity from surface structure aspect.
Embodiment two
As shown in Figure 8, the schematic top plan view of the extend blackbody of second embodiment of the invention.The place that second embodiment is identical with the first embodiment, not in repeated description, extend blackbody adopts the matrix structure form that N is capable, M arranges, in certain a line, between four rib centrums of arbitrary neighborhood, there is distance d/2, and in the same row, span on four rib centrums and base plate distributes, distance between two holes of arbitrary neighborhood is d, in the lastrow or next line of certain a line described, with the arrangement of d/2 distance between the hole of arbitrary neighborhood.As shown in Figure 9, from the bottom surface of base plate, find hole on base plate in the row direction with cross arrangement on column direction, Figure 10 is the perspective view of the extend blackbody of second embodiment of the invention, when to sheet fabrication, eight adjacent positions around rectangular pyramid are provided with groove, at the center of groove, there is hole, owing to being groove around single rectangular pyramid, the cutting tool of machining tool can ensure the angle of processing, make processing simple and convenient, and ensure the acute angle of cone, pedestal is processed in the lower end of rectangular pyramid, described pedestal and rectangular pyramid are integrated, after plate construction machines, form structure as shown in Figure 10, the four rib centrums comprising base are as shown in Figure 5 installed afterwards, bolt passes from hole base plate and coordinates with the screw on the pedestal of four rib centrums of activity, define the extend blackbody of matrix arrangement.
The rectangular pyramid acute angle of extend blackbody adds man-hour in making, in order to avoid cutting is piled up, guarantee corner angle are sharp-pointed, first, completed by cut-space in length and breadth by a complete material, form the rectangular pyramid be integrated with base plate, after formation four rib centrum, the groove of formation rule around described four rib centrums, four rib centrums on described groove and base plate are regularly arranged at certain intervals, then form hole in the bottom centre of groove, this hole can allow bolt to pass through; Form mobilizable four rib centrums with pedestal separately afterwards, bolt through coordinating with the screw on the pedestal of four rib centrums of activity, defines the extend blackbody of matrix arrangement from hole base plate.As a processing example, described rectangular pyramid base is 18mm, and cone angle is 30 °, and the mutual spacing of two taper pyramids is 18mm, and base plate is 18mm to the thickness on rectangular pyramid base, and spacing convave trough groove depth is 8mm.The via hole aperture of base plate blank space is Φ 6mm, for installing independently movable rectangular pyramid.The rectangular pyramid bottom side length of described activity is 18mm, and cone angle is 30 °, and bottom extends 8mm pedestal, and punch in pedestal bottom surface, hole depth is 5mm, and groove is installed with movable rectangular pyramid and mated, and each rectangular pyramid is fixed on base plate by M5 screw.
The making of area blackbody radiation source of the present invention is simple, saves processing technology, reduces cost, and easily manufactured, is convenient to rapid assembling, and can makes large-area extend blackbody, have very high emissivity, meet the calibrating demand of infrared spectral coverage.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (10)
1. an extend blackbody, it comprises: base plate, and this base plate is for the formation of the supporting construction of extend blackbody; Be formed at the cone of the predetermined quantity on described base plate, described cone is arranged on described base plate according to predetermined mode; It is characterized in that: described cone at least partially and described base plate are integral type structure, at least the described cone of another part is independent shaping.
2. extend blackbody as claimed in claim 1, is characterized in that: described cone is rectangular pyramid.
3. extend blackbody as claimed in claim 1, it is characterized in that: this extend blackbody has the rectangular pyramid presenting matrix arrangement, described four rib centrums are that N is capable, the matrix combination of M row, wherein N be greater than 1 integer, the integer of M also for being greater than 1.
4. extend blackbody as claimed in claim 1, is characterized in that: the cone angle scope of described four rib centrums is at 18 ° ~ 30 °.
5. extend blackbody as claimed in claim 1, is characterized in that: the emissivity of described extend blackbody is greater than 0.991.
6. a manufacture method for extend blackbody as claimed in claim 1, its step comprises:
The sheet material of one monoblock is provided;
Described sheet material is processed, is formed with the centrum with base plate integral structure;
Predetermined distance is formed between adjacent centrum;
Independent moveable centrum is provided;
Described moveable centrum and described base plate are assembled.
7. manufacture method as claimed in claim 6, is characterized in that: described cone-shaped is become four rib centrums.
8. manufacture method as claimed in claim 7, is characterized in that: the cone angle scope of described four rib centrums be formed between 18 ° ~ 30 °.
9. manufacture method as claimed in claim 8, is characterized in that: at the surface coverage high emissivity coating of all cones, obtains the area blackbody radiation source of high emissivity.
10. manufacture method as claimed in claim 9, is characterized in that: described rectangular pyramid becomes rectangular arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510140944.3A CN104913849B (en) | 2015-03-27 | 2015-03-27 | A kind of face source black matrix and preparation method thereof |
Applications Claiming Priority (1)
| 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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| CN104913849A true CN104913849A (en) | 2015-09-16 |
| CN104913849B CN104913849B (en) | 2019-04-09 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910714A (en) * | 2016-04-13 | 2016-08-31 | 中国计量科学研究院 | High-emissivity surface source black body radiator and manufacturing 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 |
| CN110411584A (en) * | 2019-07-10 | 2019-11-05 | 哈尔滨工业大学 | A kind of array pyramid structure superelevation emissivity face source black matrix device |
| CN112729569A (en) * | 2020-12-24 | 2021-04-30 | 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 |
| CN117268561A (en) * | 2023-11-20 | 2023-12-22 | 电子科技大学 | Hollow pointed cone blackbody calibration source with low-reflectivity non-uniform wave-absorbing coating |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910714A (en) * | 2016-04-13 | 2016-08-31 | 中国计量科学研究院 | High-emissivity surface source black body radiator and manufacturing method thereof |
| 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 |
| CN110411584A (en) * | 2019-07-10 | 2019-11-05 | 哈尔滨工业大学 | A kind of array pyramid structure superelevation emissivity face source black matrix 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 |
| CN112729569A (en) * | 2020-12-24 | 2021-04-30 | 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 |
| CN117268561A (en) * | 2023-11-20 | 2023-12-22 | 电子科技大学 | Hollow pointed cone blackbody calibration source with low-reflectivity non-uniform wave-absorbing coating |
| 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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