CN117471634A - High-precision assembly method of focal plane spectroscope - Google Patents
High-precision assembly method of focal plane spectroscope Download PDFInfo
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- CN117471634A CN117471634A CN202311579909.2A CN202311579909A CN117471634A CN 117471634 A CN117471634 A CN 117471634A CN 202311579909 A CN202311579909 A CN 202311579909A CN 117471634 A CN117471634 A CN 117471634A
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- spectroscope
- base
- ccd
- instrument
- focal plane
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007711 solidification Methods 0.000 claims abstract description 3
- 230000008023 solidification Effects 0.000 claims abstract description 3
- 239000004579 marble Substances 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004819 Drying adhesive Substances 0.000 description 1
- 229910001374 Invar Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/62—Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems
Abstract
The invention discloses a high-precision assembly method of a focal plane spectroscope, which belongs to the technical field of space remote sensing assembly and is based on a CCD (charge coupled device) splicing instrument, and the method comprises the following steps of S1: installing a spectroscope base on the angle adjustment tool 2, S2: adjusting the spectroscope base coordinate system, S3: mounting a positioning holder to the spectroscopic base by grinding; s4: mounting a spectroscope to the spectroscope base; s5: after solidification, the positioning retainer is removed, the problem of poor assembling precision of the spectroscope is solved, the CCD splicing instrument is used as a medium, the positions of the spectroscope and the spectroscope base are adjusted to the theoretical distance, the final assembling result of the spectroscope can enable the assembling angle error of the spectroscope and the spectroscope base to be 40', the position error is controlled to be +/-0.01 mm, qualified assemblies are provided for assembling of the follow-up focal plane, and the using effect of the spectroscope assemblies is improved.
Description
Technical Field
The invention relates to the technical field of space remote sensing assembly, in particular to a high-precision assembly method of a focal plane spectroscope.
Background
The spectroscope component mainly comprises a spectroscope and a spectroscope base, wherein the spectroscope is generally made of microcrystalline glass material, a working surface is a reflecting mirror surface, a design mandrel is used as an adhesion installation end surface, the spectroscope base is made of invar steel material, a design hole is used as the adhesion installation end surface, and a fit clearance is reserved. The two are bonded and assembled, and the two are matched in a cylinder, so that the assembly angle and the relative position of the two are required to be adjusted. Since the assembly accuracy of the spectroscope affects the accuracy of the focal plane to determine the imaging quality of the space camera, the assembly accuracy requirement of the spectroscope is high, and therefore, how to realize the high-accuracy assembly of the spectroscope becomes an important problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to overcome the defect of poor assembly precision in the prior art, and provides a high-precision assembly method suitable for a focal plane spectroscope, which relates to an assembly angle and a position between a spectroscope and a spectroscope base.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention discloses a high-precision assembly method of a focal plane spectroscope, which is based on a CCD (charge coupled device) splicing instrument, and comprises the following steps:
s1: mounting the spectroscope base to an angle adjustment tool;
the angle adjusting tool is installed on a marble platform of the CCD splicing instrument, and then the spectroscope base is connected to the marble platform through the angle adjusting tool;
s2: adjusting the spectroscope base coordinate system;
operating the CCD splice instrument, driving a high-power microscope through the CCD splice instrument to respectively adjust the upper surface and the side surface of the spectroscope base to be consistent with the coordinate system direction of the CCD splice instrument, and recording the coordinates of each datum point;
s3: mounting a positioning holder to the spectroscopic base by grinding;
the positioning retainer is mounted on the spectroscope base, the CCD splice instrument drives the high-power microscope to adjust the upper surface and the side surface of the positioning retainer to be consistent with the coordinate system direction of the CCD splice instrument, the positioning retainer and the spectroscope base are fixed, and the coordinates of each relevant point are recorded;
s4: mounting a spectroscope to the spectroscope base;
operating the CCD splice instrument, driving the high-power microscope through the CCD splice instrument to respectively adjust the upper surface and the side surface of the spectroscope to be consistent with the coordinate system direction of the CCD splice instrument, enabling the distance and the angle between the spectroscope and the spectroscope base to meet the assembly requirements, and realizing the assembly of the spectroscope and fixing the position of the spectroscope;
s5: and after the solidification is finished, the positioning retainer is removed.
Further, S3.1: and dispensing removable quick-drying glue to fix the positioning retainer and the spectroscope base.
Further, S4.1: and (3) dispensing epoxy resin glue, and fixing the spectroscope on the spectroscope base.
In the technical scheme, the high-precision assembly method of the focal plane spectroscope provided by the invention has the beneficial effects that:
according to the method for assembling the spectroscope of the focal plane, the CCD splicing instrument is used as a medium, the positions of the spectroscope of the focal plane and the spectroscope base are adjusted to be the theoretical distance, the final assembling result of the spectroscope of the focal plane can enable the assembling angle error of the spectroscope and the spectroscope base to be 40', the position error is controlled to be +/-0.01 mm, a qualified assembly is provided for assembling the follow-up focal plane, the spectroscope assembly has good effect in the follow-up use, the using effect of the spectroscope assembly is improved, and the problem of poor assembling precision of the spectroscope is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall process of a method for high-precision assembly of a focal plane beam splitter of the present disclosure;
FIG. 2 is a schematic view showing the installation of a spectroscopic base in a high-precision assembly method of a focal plane spectroscope according to the present invention
FIG. 3 is a schematic view of the assembly of the beam splitter positioning holder 7 according to the high-precision assembly method of the focal plane beam splitter disclosed by the invention;
FIG. 4 is a diagram of a high precision assembly method for a focal plane beam splitter;
FIG. 5 is a schematic diagram of a high-precision assembly method for a focal plane beam splitter module according to the present invention.
Reference numerals illustrate:
1. a CCD splicing instrument; 2. an angle adjusting tool; 3. a beam splitter; 4. high power microscope; 5. a display; 6. a marble platform; 7. positioning a retainer; 8. a spectroscope base; 9. and (3) epoxy resin glue.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
See fig. 1;
the invention relates to a high-precision assembly method of a focal plane spectroscope, which is based on a CCD splice instrument 1, in particular to a CCD splice instrument which adopts marble as a working platform in the prior art, a two-dimensional working platform and a lifting platform adopt ball linear guide rails for guiding, a ball screw and a high-power microscope 4 are adopted for alignment and detection in feeding transmission, the guiding precision of the linear guide rails is 2 ', the orthogonality is 2 ', the feeding resolution is 1 mu m, the focal depth of the high-power microscope 4 of a Z axis is better than 0.005mm, the installation precision of the focal plane and the CCD splice instrument in all directions can be adjusted to be within 1 ', and the CCD splice instrument 1 has the function of detecting and recording the coordinates of any point on a three-dimensional space through the high-power microscope 4;
the assembly method comprises the following steps:
s1: mounting a spectroscope base 8 on the angle adjustment tool 2;
the angle adjusting tool 2 is installed on a marble platform 6 of the CCD splicing instrument 1, and then the spectroscope base 8 is connected to the marble platform 6 through the angle adjusting tool 2, as shown in figures 1 and 2;
s2: adjusting a coordinate system of the spectroscope base 8;
operating the CCD splice instrument 1, driving the high-power microscope 4 through the CCD splice instrument 1 to respectively adjust the upper surface and the side surface of the spectroscope base 8 to be consistent with the direction of a coordinate system of the CCD splice instrument 1, and recording the coordinates of each datum point, as shown in figure 2;
s3: mounting the positioning holder 7 to the spectroscopic base 8 by grinding;
the positioning retainer 7 is arranged on the spectroscope base 8, the CCD splice instrument 1 drives the high-power microscope 4 to adjust the upper surface and the side surface of the positioning retainer 7 to be consistent with the direction of the coordinate system of the CCD splice instrument 1, the positioning retainer 7 and the spectroscope base 8 are fixed by dispensing the detachable quick-drying adhesive, and the coordinates of each relevant point are recorded, as shown in figure 3;
s4: mounting the spectroscope 3 to the spectroscope base 8;
operating the CCD splice instrument 1, driving the high-power microscope 4 through the CCD splice instrument 1 to respectively adjust the upper surface and the side surface of the spectroscope 3 to be consistent with the coordinate system direction of the CCD splice instrument 1, and enabling the distance and the angle between the spectroscope 3 and the spectroscope base 8 to meet the assembly requirements, so that the assembly of the spectroscope 3 can be realized, and the spot-coating epoxy resin glue 9 is fixed as shown in fig. 4;
s5: after curing, the positioning holder 7 is removed.
For a specific example, see fig. 1-4:
on the marble platform 6 of the CCD splice instrument 1, the angle adjustment tool 2 is mounted on the marble platform 6, and the spectroscope base 8 is connected to the marble platform 6 through the angle adjustment tool 2.
Operating the CCD splice instrument 1, driving the high-power microscope 4 through the CCD splice instrument 1 to respectively adjust the upper surface and the side surface of the spectroscope base 8 to be consistent with the direction of a coordinate system of the CCD splice instrument 1, and recording the coordinates of each datum point to respectively obtain A (0, 0), B (0, 17.030,0), C (20.019, 17.042,0) and D (20.015,0.003,0), as shown in figure 2;
the positioning retainer 7 is arranged on the spectroscope base 8, the distance from the spectroscope 3 to the spectroscope base 8 is adjusted through repairing and grinding the installation end face of the positioning retainer 7, when the distance is consistent with the requirement, the CCD splice instrument 1 drives the high-power microscope 4 to adjust the upper surface and the side face of the positioning retainer 7 to be consistent with the direction of the coordinate system of the CCD splice instrument 1, instant dry glue is dispensed and fixed, and the coordinates of each relevant point, A '(0.505, -15, 2), B' (0.508, 21.587,2), C '(20.092, 21.585,2), D' (20.092, -15, 2) are recorded, as shown in figure 3;
the mandrel of the spectroscope 3 is arranged in a cylindrical hole of the spectroscope base 8, the CCD splice instrument 1 is operated, the CCD splice instrument 1 drives the high-power microscope 4 to respectively adjust the upper surface and the side surface of the spectroscope 3 to be consistent with the direction of a coordinate system of the CCD splice instrument 1, the distance and the angle between the spectroscope 3 and the spectroscope base 8 meet the assembly requirement, the assembly of the spectroscope 3 can be realized, the epoxy resin glue 9 is fixed, the coordinates of relevant points, A '(5.376, -6.501, 11.008), B' (5.378, 23.5, 11.008), C '(38.768, 23.5, 11.008), D' (38.768, -6.503, 11.008) are recorded, and the assembly is shown in figure 4;
after the spectroscope 3 and the spectroscope base 8 are cured, the positioning retainer 7 is removed.
From the above, it is clear that the plane ABCD of the spectroscopic base 8 and the plane ABCD of the spectroscopic lens 3 have been adjusted to be parallel, and AD "a" D ". The linear guide rail of the CCD splicing instrument 1 has the guiding precision of 2 ', the orthogonal 2', the feeding resolution of 1 mu m, the focal depth of the high-power microscope 4 on the Z axis of 5 mu m, and the measurement error difference on the X, Y axis of 1 mu m and the Z axis of 5 mu m respectively.
The error effect of the machining and the CCD splice device 1 in the X, Y direction is small, negligible, and the assembly error is calculated by detecting with AA' as a reference point, and the parallelism is 0.15 μm as shown by the parallelism= (maximum deviation-minimum deviation)/line length.
The theoretical distance between the spectroscope 3 and the spectroscope base 8 in the X direction is 5.37mm, the theoretical distance in the Y direction is 6.50mm, and the theoretical distance in the Z direction is 11mm.
The distance of AA 'in the X direction was 5.376mm and the distance of AA' in the Y direction was 6.506mm.
Thus, the X-direction fitting dimensional error was 0.006mm, the Y-direction fitting dimensional error was 0.006mm, and the Z-direction fitting dimensional error was 0.008mm.
Since the measurement error of the CCD splicer 1 in the Z-axis is 0.005mm, consideration is required in calculating the angle error, and arctan (0.005/33.392) =31″ that is, the assembly angle error of the spectroscope 3 in the Y-axis rolling direction is 31″ and the assembly angle error of the rolling analysis in the X-axis is 0 ".
In the technical scheme, the high-precision assembly method of the focal plane spectroscope provided by the invention adopts the CCD splicing instrument 1 as a medium, the spectroscope base 8, the spectroscope 3 and the angle adjustment tool coordinate system are adjusted uniformly, the assembly angle error can be better than 40', the position error can be controlled to be +/-0.01 mm, the high-precision assembly is realized, the spectroscope 3 has a better effect in the subsequent use, and the use effect of the spectroscope component is improved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (3)
1. The high-precision assembly method of the focal plane spectroscope is characterized by comprising the following steps of:
s1: mounting a spectroscope base (8) on the angle adjusting tool (2);
the angle adjusting tool (2) is installed on a marble platform (6) of the CCD splicing instrument (1), and then the spectroscope base (8) is connected to a marble Dan Pingtai (6) through the angle adjusting tool (2);
s2: adjusting the coordinate system of the spectroscope base (8);
operating the CCD splice instrument (1), driving a high-power microscope (4) through the CCD splice instrument (1) to respectively adjust the upper surface and the side surface of the spectroscope base (8) to be consistent with the coordinate system direction of the CCD splice instrument (1), and recording the coordinates of each datum point;
s3: mounting a positioning holder (7) to the spectroscopic base (8) by grinding;
the positioning retainer (7) is mounted on the spectroscope base (8), the CCD splice instrument (1) drives the high-power microscope (4) to adjust the upper surface and the side surface of the positioning retainer (7) to be consistent with the coordinate system direction of the CCD splice instrument (1), the positioning retainer (7) and the spectroscope base (8) are fixed, and the coordinates of all relevant points are recorded;
s4: mounting a spectroscope (3) to the spectroscope base (8);
operating the CCD splice instrument (1), driving the high-power microscope (4) through the CCD splice instrument (1) to respectively adjust the upper surface and the side surface of the spectroscope (3) to be consistent with the coordinate system direction of the CCD splice instrument (1), enabling the distance and the angle between the spectroscope (3) and the spectroscope base (8) to meet the assembly requirements, and then realizing the assembly of the spectroscope (3) and fixing the position of the spectroscope (3);
s5: and after the solidification is finished, the positioning retainer (7) is removed.
2. A method of high precision assembly of a focal plane beam splitter as claimed in claim 1, wherein;
s3.1: and spot-coating detachable quick-drying glue to fix the positioning retainer (7) and the spectroscope base (8).
3. A method of high precision assembly of a focal plane beam splitter as claimed in claim 1, wherein;
s4.1: and (3) is coated with epoxy resin glue (9) to fix the spectroscope (3) on the spectroscope base (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311579909.2A CN117471634A (en) | 2023-11-24 | 2023-11-24 | High-precision assembly method of focal plane spectroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311579909.2A CN117471634A (en) | 2023-11-24 | 2023-11-24 | High-precision assembly method of focal plane spectroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117471634A true CN117471634A (en) | 2024-01-30 |
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ID=89637929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311579909.2A Pending CN117471634A (en) | 2023-11-24 | 2023-11-24 | High-precision assembly method of focal plane spectroscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117471634A (en) |
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2023
- 2023-11-24 CN CN202311579909.2A patent/CN117471634A/en active Pending
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