CN110470392A - Low temperature optical-mechanical system based on SiC particulate reinforced aluminum matrix composites Vacuum cooling case - Google Patents
Low temperature optical-mechanical system based on SiC particulate reinforced aluminum matrix composites Vacuum cooling case Download PDFInfo
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- CN110470392A CN110470392A CN201910618722.6A CN201910618722A CN110470392A CN 110470392 A CN110470392 A CN 110470392A CN 201910618722 A CN201910618722 A CN 201910618722A CN 110470392 A CN110470392 A CN 110470392A
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- 238000001816 cooling Methods 0.000 title claims abstract description 64
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000011159 matrix material Substances 0.000 title claims abstract description 16
- 238000005057 refrigeration Methods 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000001228 spectrum Methods 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000013016 damping Methods 0.000 claims abstract 2
- 230000003287 optical effect Effects 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 125000003003 spiro group Chemical group 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000701 chemical imaging Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 230000001629 suppression Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 18
- 238000013461 design Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 108010083687 Ion Pumps Proteins 0.000 description 1
- 229910000661 Mercury cadmium telluride Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002631 hypothermal effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0297—Constructional arrangements for removing other types of optical noise or for performing calibration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/2823—Imaging spectrometer
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses a kind of low temperature optical-mechanical system based on SiC particulate reinforced aluminum matrix composites Vacuum cooling case, ice chest is manufactured by lightweight high-modulus SiC particulate reinforced aluminum matrix composites.Detector connects ripple pipe flange, realizes that five dimensions are adjusted.Spectrum groupware works in low-temperature condition, heat-insulated with heat insulation support by multilayer.Mechanical refrigerator realizes refrigeration and vibration-damping function by damper, bellows, flexible cooling chain.Slit component is realized low-temperature working and is adjusted axially by guide rail, flexible cooling chain, adjusting screw rod, heat insulation cylinder and sealing ring.Mirror assembly of looking in the distance is in room temperature, realizes intense adjustment by screw thread.Vacuum gauge, ionic pump, vacuum flange and metal valve are installed on ice chest, realize vacuum measurement, maintenance, thermometric heating and air extracting seal.The present invention has the characteristics that light, vibration suppression, and mirror assembly of looking in the distance, slit component, detector have under internal vacuum and low temperature, external normal temperature and pressure adjustable ability simultaneously, be suitable in, long wave light spectrum image-forming field of detecting.
Description
Technical field
The present invention relate in, LONG WAVE INFRARED high light spectrum image-forming technology, in particular to a kind of aluminum-base composite is enhanced based on SiC particulate
The low temperature optical-mechanical system of material vacuum ice chest is detected applied to the light spectrum image-forming of airborne, spaceborne, laboratory and field work and is led
Domain.
Background technique
Imaging spectrometer obtains the solar radiation or its own radiation of clutter reflections with high spectral resolution, can be from space
Two aspects of matching and Spectral matching are analyzed and are identified to observed object.China is in the infrared spectral coverage (0.4 of visible short at present
~2.5 μm) bloom spectrum loading by nearly development in 20 years relative maturity, played important work for the development of the national economy
With.But due to the difference and weak foundation of technical system, in covering, LONG WAVE INFRARED (3.0 μm~5 μm, 8.0 μm~12.5 μm)
The EO-1 hyperion research of spectral coverage lags behind European and American developed countries.
In, LONG WAVE INFRARED hyperspectral imager key technology be the inhibition to background radiation, external several backgrounds inhibit
Mode includes refrigeration mode gradual filter, Quan Guanglu cryogenic refrigeration, spectrometer component cryogenic refrigeration.For the country, centering, length
The background of infrared high spectrum imaging instrument controls consumption, background suppressor mode, the realization of cryogenic refrigeration, the scheme choosing of low temperature ray machine
It selects, low temperature optical-mechanical system light-weight design, vibration suppression and its rarely seen relative theory analysis of the technologies such as adjustment and test and verifying.
Based on this, a kind of low temperature optical-mechanical system based on SiC particulate reinforced aluminum matrix composites Vacuum cooling case is invented, has been answered
Used in, LONG WAVE INFRARED high light spectrum image-forming technology field.
Summary of the invention
The invention proposes a kind of low temperature optical-mechanical system based on SiC particulate reinforced aluminum matrix composites Vacuum cooling case, by
Vacuum cooling case 1, detector 2, spectrum groupware 3, refrigeration machine component 4, slit component 5, mirror assembly 6 of looking in the distance, vacuum gauge 7, ion
Pump 8, vacuum flange 9 and metal valve 10 form.
The low temperature optical-mechanical system is secondary imaging system, and the radiation from target is looked in the distance mirror assembly 6, is converged at narrow
It stitches on 5 slit of component, through slit component 5, is again incident on spectrum groupware 3, it is burnt in detector 2 through 3 spectroscopic imaging of spectrum groupware
On face
The Vacuum cooling case 1 is by the SiC particulate reinforced aluminum matrix composites of lightweight high-modulus through light-weight design, processing
It forms.Surface carries out hardening oxidation processing, has the resistance to corrosion of salt spray resistance, resistance to mould, provides very for low temperature optical-mechanical system
Altitude.
The detector 2 is by detector ripple pipe flange 2-1, focal plane Dewar cooling assembly 2-2, detector adjusting seat 2-
3, detector support base 2-4, detector sealing ring 2-5 are formed, and detector ripple one end pipe flange 2-1 and focal plane Dewar freeze
The front end component 2-2 Dewar housing seal welding, the other end are connect with Vacuum cooling case 1 by detector sealing ring 2-5, and detection is utilized
The flexibility characteristics of device ripple pipe flange 2-1 are low in 1 inner vacuum of Vacuum cooling case by adjusting the position detector adjusting seat 2-3
Under temperature, external normal temperature and pressure state, realize that five dimensions of the detector 2 outside the rotation of focal plane normal are adjusted.
The spectrum groupware 3 is made of cold screen 3-1, spectrometer 3-2, optical backplane 3-3, heat insulation support 3-4.Machinery system
Pass through cold finger flexible cooling chain 4-4 conduction refrigeration between cold 4-1 cold finger and optical backplane 3-3.Cold screen 3-1 and spectrometer 3-2 are thermally conductive
It is installed on optical backplane 3-3, is freezed by optical backplane 3-3 to low-temperature working temperature.Cold screen 3-1, spectrometer 3-2, optics
Bottom plate 3-3 uses same metal material, in addition to the mirror surface that works, surface blackening processing.Multilayer insulation material is coated outside spectrum groupware 3
Heat insulation support 3-4 is installed in material, bottom, reduces radiation and conductive heat leakage.
The refrigeration machine component 4 is by mechanical refrigerator 4-1, refrigeration machine bellows 4-2, refrigeration machine sealing ring 4-3, cold finger
Flexible cooling chain 4-4 and damper 4-5 composition.Mounting shock absorber 4-5 between mechanical refrigerator 4-1 flange and Vacuum cooling case 1, for pressing down
Mechanical refrigerator processed itself vibrates the vibration on low temperature optical-mechanical system and influences.The both ends refrigeration machine bellows 4-2 pass through refrigeration respectively
Secret seal 4-3 is connected with mechanical refrigerator 4-1 flange and Vacuum cooling case 1, using the Telescopic of refrigeration machine bellows 4-2,
Compensate Influence of Displacement caused by mechanical refrigerator 4-1 is vibrated because of itself.Lead between mechanical refrigerator 4-1 cold finger and optical backplane 3-3
The thermally conductive connection of cold finger flexible cooling chain 4-4 is crossed, using the flexible buffer ability of cold finger flexible cooling chain 4-4, inhibits mechanical refrigerator 4-1
Vibrating the vibration on spectrum groupware 3 influences, while realizing cryogenic refrigeration of the cold finger to optical backplane 3-3.
The slit component 5 by slit base 5-1, slit flexible cooling chain 5-2, sliding block 5-3, guide rail 5-4, heat insulation cylinder 5-5,
Slit sealing ring 5-6, adjusting screw rod 5-7, holding screw 5-8 and spiro rod support 5-9 composition.Slit base 5-1 by sliding block 5-3,
Guide rail 5-4 is installed on optical backplane 3-3, and is connected by heat insulation cylinder 5-5 with adjusting screw rod 5-7, adjusting screw rod 5-7 and vacuum
It is sealed between ice chest 1 by slit sealing ring 5-6, is cooperated between adjusting screw rod 5-7 and spiro rod support 5-9 for accurate thread, rotation is adjusted
Screw rod 5-7 is saved, slit base 5-1 is moved forward and backward, adjusts to after suitable position, is locked by holding screw 5-8.Slit base 5-1 with
Slit flexible cooling chain 5-2 is connected between optical backplane 3-3, meets the cryogenic refrigeration and mobile regulatory demand of slit component 5
The mirror assembly 6 of looking in the distance is by telescope window seat 6-1, telescope sealing ring 6-2, telescope window 6-3 and prestige
Remote mirror 6-4 composition.Telescope window 6-3 and telescope window seat 6-1 sealing welding are integral, pass through telescope sealing ring 6-2
It is fixed on 1 side wall of Vacuum cooling case.Cooperated between telescope 6-4 and telescope window seat 6-1 by accurate thread, realization is looked in the distance
The front and back of mirror 6-4 adjusts.
The low temperature optical-mechanical system is equipped with vacuum gauge 7, ionic pump 8, vacuum flange 9 on 1 side wall of Vacuum cooling case
And metal valve 10.Vacuum gauge 7 is used to 1 internal vacuum of real-time monitoring Vacuum cooling case.After external vacuum pump set is removed, from
Son pump 8 is used to maintain inside Vacuum cooling case 1 in high vacuum state.Vacuum flange 9 is used to connect to implement on inner cryogenic ray machine
Thermometric and heating component.Metal valve 10 has vibration resistance, after external vacuum pump set is removed, for sealing Vacuum cooling case
1。
The present invention has the advantages that
(1), Vacuum cooling case 1 by lightweight high-modulus SiC particulate reinforced aluminum matrix composites through light-weight design, processing and
At greatly reducing system weight relative to conventional stainless steel material.Surface carry out hardening oxidation processing, have salt spray resistance,
The resistance to corrosion of resistance to mould；
(2), detector 2 is connected with detector ripple pipe flange 2-1, special using the flexibility of detector ripple pipe flange 2-1
Point realizes that five dimensions outside the rotation of focal plane normal are adjusted；
(3), mechanical refrigerator 4-1 realizes system by refrigeration machine bellows 4-2, cold finger flexible cooling chain 4-4 and damper 4-5
The cold function with vibration suppression；
(4), slit component 5 is installed on optical backplane 3-3 by sliding block 5-3, guide rail 5-4, utilizes slit flexible cooling chain 5-
2,1 inner vacuum low temperature of Vacuum cooling case, external room temperature are realized in slit sealing ring 5-6, adjusting screw rod 5-7, spiro rod support 5-9 combination
Regulatory function under normal pressure state；
(5), detector 2, slit component 5, mirror assembly 6 of looking in the distance have in 1 inner vacuum low temperature of Vacuum cooling case, external room temperature
Under normal pressure state simultaneously adjustable ability, solve Cryogenic Optical System usually require carry out low-temperature condition design, room temperature compensation
The problem of light school, improves the efficiency and precision in Cryogenic Optical System light school.
Detailed description of the invention
Fig. 1 is low temperature optical-mechanical system schematic diagram of the invention, in figure:
1 --- Vacuum cooling case；
2 --- detector；
2-1 --- detector ripple pipe flange；
2-2 --- focal plane Dewar cooling assembly；
2-3 --- detector adjusting seat；
2-4 --- detector support base；
2-5 --- detector sealing ring；
3 --- spectrum groupware；
3-1 --- cold screen；
3-2 --- spectrometer；
3-3 --- optical backplane；
3-4 --- heat insulation support；
4 --- refrigeration machine component；
4-1 --- mechanical refrigerator；
4-2 --- refrigeration machine bellows；
4-3 --- refrigeration machine sealing ring；
4-4 --- cold finger flexible cooling chain；
4-5 --- damper；
5 --- slit component；
5-1 --- slit base；
5-2 --- slit flexible cooling chain；
5-3 --- sliding block；
5-4 --- guide rail；
5-5 --- heat insulation cylinder；
5-6 --- slit sealing ring；
5-7 --- adjusting screw rod；
5-8 --- holding screw；
5-9 --- spiro rod support；
6 --- mirror assembly of looking in the distance；
6-1 --- telescope window seat；
6-2 --- telescope sealing ring；
6-3 --- telescope window；
6-4 --- telescope；
7 --- vacuum gauge；
8 --- ionic pump；
9 --- vacuum flange；
10 --- metal valve.
Specific embodiment
A preferable embodiment of the invention is provided below according to Fig. 1, to illustrate technical characteristic of the invention, rather than
Range for the purpose of limiting the invention.
Vacuum cooling case 1 carries out light-weight design using the SiC particulate reinforced aluminum matrix composites of 15% component, stabilized
Heat treatment process forms.Surface carries out hardening oxidation processing, has salt spray resistance, the resistance to corrosion of resistance to mould.
Detector 2 select 320 × 256 scales, HgCdTe material, using Integral type small-sized sterlin refrigerator to its into
Row refrigeration, the profound hypothermia state for working in detector under 60K.Meanwhile detection is connected between detector 2 and Vacuum cooling case 1
Device ripple pipe flange 2-1, welding bellows material are SUS316L, drift 35mm, stroke 15mm.Detector sealing used
Circle 2-5 is fluorubber material.
Spectrometer 3-2 in spectrum groupware 3 is totally reflected structure using round-trip multiplexing, has both the function of collimation and convergence.It adopts
Machine integrated design is used up, mirror body and microscope base are all made of 6061T651 aluminum alloy materials, and hot expansibility is consistent, in temperature change
In the process, the phenomenon that ray machine equal proportion scales, no influence image quality occurs, in addition to the mirror surface that works, surface blackening processing.Cold screen 3-1,
Optical backplane 3-3 and spectrometer 3-2 uses same metal material 6061T651 aluminium alloy, surface blackening processing.Outside spectrum groupware 3
Portion coats multilayer insulation material, and G-10 material heat insulation support 3-4 is installed in bottom, reduces the radiation and conductive heat leakage of spectrum groupware 3,
Spectrum groupware 3 is freezed to 100K low-temperature working.
Mechanical refrigerator 4-1 is Stirling mechanical refrigerator, used damper 4-5 model 7002HA type stainless steel
Net damper.Refrigeration machine bellows 4-2 material is SUS316L, drift 30mm, stroke 12mm.Refrigeration machine sealing ring 4-3 is
Fluorubber material, cold finger flexible cooling chain 4-4 are graphite heat conducting band, and both ends are individually fixed in cold finger mounting surface and optics bottom with tabletting
Plate 3-3 mounting surface.
Slit base 5-1 material in slit component 5 is 6061T651 aluminium alloy, surface blackening.Sliding block 5-3, guide rail 5-4 material
Material is stainless steel, kinematic accuracy 0.005mm.Slit flexible cooling chain 5-2 is graphite heat conducting band, and both ends are individually fixed in tabletting
Slit base 5-1 and optical backplane 3-3 mounting surface, by the refrigeration of slit component 5 to 100K low-temperature working.Heat insulation cylinder 5-5 selects G-10
Heat-barrier material.It is sealed between adjusting screw rod 5-7 and Vacuum cooling case 1 by slit sealing ring 5-6, slit sealing ring 5-6 material is fluorine
Rubber material.Cooperated between adjusting screw rod 5-7 and spiro rod support 5-9 by accurate thread, be continuously adjusted, degree of regulation 0.005mm,
After adjusting, fixed with holding screw 5-8.
The telescope 6-4 to look in the distance in mirror assembly 6 passes through precision between three pieces transmission-type camera lens, with telescope window seat 6-1
It is threadedly engaged, is continuously adjusted, degree of regulation 0.005mm.Telescope window 6-3 material is germanite glass, with telescope window seat 6-1
Between using welding manner be tightly connected.Telescope sealing ring 5-6 material used is fluorubber material.
Vacuum gauge 7 used, ionic pump 8, vacuum flange 9,10 model of metal valve are respectively FRG-700, MODEL
919-0520, CX-55ZJ, DN16CF-R, to realize that vacuum measurement, vacuum maintain, thermometric heats and air extracting seal function, very
Air-cooled 1 internal vacuum of case is 10-4Pa magnitude.
Claims (6)
1. a kind of low temperature optical-mechanical system based on SiC particulate reinforced aluminum matrix composites Vacuum cooling case, including Vacuum cooling case (1),
Detector (2), spectrum groupware (3), refrigeration machine component (4), slit component (5), mirror assembly of looking in the distance (6), vacuum gauge (7), from
Son pump (8), vacuum flange (9) and metal valve (10), it is characterised in that:
The low temperature optical-mechanical system is equipped with vacuum gauge (7), ionic pump (8), vacuum method on Vacuum cooling case (1) side wall
Blue (9) and metal valve (10)；Vacuum gauge (7) is used to real-time monitoring Vacuum cooling case (1) internal vacuum；In external vacuum machine
After group is removed, ionic pump (8) is used to maintain in high vacuum state inside Vacuum cooling case (1), and vacuum flange (9) is used to connect interior
The thermometric and heating component implemented on portion's low temperature ray machine, metal valve (10) have vibration resistance, remove in external vacuum pump set
Afterwards, for sealing Vacuum cooling case (1)；
The low temperature optical-mechanical system is secondary imaging system, and the radiation from target is looked in the distance mirror assembly (6), converges at slit
On component (5) slit, through slit component (5), spectrum groupware (3) are again incident on, through spectrum groupware (3) spectroscopic imaging in detection
On device (2) focal plane.
2. a kind of low temperature ray machine system based on SiC particulate reinforced aluminum matrix composites Vacuum cooling case according to claim 1
System, it is characterised in that:
The Vacuum cooling case (1) is process by SiC particulate reinforced aluminum matrix composites, and surface carries out salt spray resistance, resistance to mould
Anticorrosive hardening oxidation processing.
3. a kind of low temperature ray machine system based on SiC particulate reinforced aluminum matrix composites Vacuum cooling case according to claim 1
System, it is characterised in that:
The detector (2) is by detector ripple pipe flange (2-1), focal plane Dewar cooling assembly (2-2), detector adjusting seat
(2-3), detector support base (2-4), detector sealing ring (2-5) composition, detector ripple pipe flange one end (2-1) and Jiao Ping
Face Dewar cooling assembly (2-2) front end Dewar housing seal welding, the other end and Vacuum cooling case (1) pass through detector sealing ring
(2-5) connection, using the flexibility characteristics of detector ripple pipe flange (2-1), by adjusting the position detector adjusting seat (2-3),
Under Vacuum cooling case (1) inner vacuum low temperature, external normal temperature and pressure state, realize that detector (2) are outer around the rotation of focal plane normal
Five dimension adjust.
4. a kind of low temperature ray machine system based on SiC particulate reinforced aluminum matrix composites Vacuum cooling case according to claim 1
System, it is characterised in that:
The refrigeration machine component (4) by mechanical refrigerator (4-1), refrigeration machine bellows (4-2), refrigeration machine sealing ring (4-3),
Cold finger flexible cooling chain (4-4) and damper (4-5) composition；Damping is installed between mechanical refrigerator (4-1) flange and Vacuum cooling case (1)
Device (4-5), for inhibiting mechanical refrigeration machine vibration to influence the vibration of low temperature optical-mechanical system；The both ends refrigeration machine bellows (4-2)
It is connected respectively by refrigeration machine sealing ring (4-3) with mechanical refrigerator (4-1) flange and Vacuum cooling case (1), utilizes refrigeration machine wave
The Telescopic of line pipe (4-2), Influence of Displacement caused by compensation mechanical refrigerator (4-1) is vibrated because of itself.Mechanical refrigerator (4-
1) cold finger flexible cooling chain (4-4) is utilized by cold finger flexible cooling chain (4-4) thermally conductive connection between cold finger and optical backplane (3-3)
Flexible buffer ability inhibits mechanical refrigerator (4-1) vibration to influence the vibration of spectrum groupware (3), while realizing cold finger to light
Learn the cryogenic refrigeration of bottom plate (3-3).
5. a kind of low temperature ray machine system based on SiC particulate reinforced aluminum matrix composites Vacuum cooling case according to claim 1
System, it is characterised in that:
The slit component (5) is by slit base (5-1), slit flexible cooling chain (5-2), sliding block (5-3), guide rail (5-4), heat-insulated
Cylinder (5-5), slit sealing ring (5-6), adjusting screw rod (5-7), holding screw (5-8) and spiro rod support (5-9) composition.Slit base
(5-1) is installed on optical backplane (3-3) by sliding block (5-3), guide rail (5-4), and passes through heat insulation cylinder (5-5) and adjusting screw rod
(5-7) be connected, between adjusting screw rod (5-7) and Vacuum cooling case (1) by slit sealing ring (5-6) seal, adjusting screw rod (5-7) and
It is accurate thread cooperation between spiro rod support (5-9), rotates adjusting screw rod (5-7), be moved forward and backward slit base (5-1), adjusts to conjunction
Right position postpones, and is locked by holding screw (5-8).Slit flexible cooling chain is connected between slit base (5-1) and optical backplane (3-3)
(5-2) meets the cryogenic refrigeration and mobile regulatory demand of slit component (5).
6. a kind of low temperature ray machine system based on SiC particulate reinforced aluminum matrix composites Vacuum cooling case according to claim 1
System, it is characterised in that:
The mirror assembly of looking in the distance (6) is by telescope window seat (6-1), telescope sealing ring (6-2), telescope window (6-3)
And telescope (6-4) composition.Telescope window (6-3) and telescope window seat (6-1) sealing welding are integral, pass through telescope
Sealing ring (6-2) is fixed on Vacuum cooling case (1) side wall.
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|---|---|---|---|
| CN201910618722.6A CN110470392A (en) | 2019-07-10 | 2019-07-10 | Low temperature optical-mechanical system based on SiC particulate reinforced aluminum matrix composites Vacuum cooling case |
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| CN201910618722.6A CN110470392A (en) | 2019-07-10 | 2019-07-10 | Low temperature optical-mechanical system based on SiC particulate reinforced aluminum matrix composites Vacuum cooling case |
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| CN105136296A (en) * | 2015-09-22 | 2015-12-09 | 中国科学院上海技术物理研究所 | Long-wavelength imaging spectrometer low-temperature model and adjusting method thereof |
| CN106064242A (en) * | 2016-07-25 | 2016-11-02 | 哈尔滨工业大学 | A kind of SPS of employing prepares the method for SiC particle enhanced aluminum-based composite material |
| CN107782716A (en) * | 2016-08-24 | 2018-03-09 | 中国科学院光电研究院 | A kind of Laser induced plasma spectroscopy analysis system that can simulate metallurgical vacuum drying oven environmental change |
| CN107246741A (en) * | 2017-07-07 | 2017-10-13 | 安徽万瑞冷电科技有限公司 | A kind of cryostat |
| CN108479878A (en) * | 2018-02-23 | 2018-09-04 | 中国工程物理研究院激光聚变研究中心 | A kind of low vibration low temperature test device |
| CN109489820A (en) * | 2018-11-21 | 2019-03-19 | 中国科学院上海技术物理研究所 | A kind of adjustable field stop of imaging type infrared Fourier transform spectrum detection instrument low temperature |
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