CN106546554A - Terahertz superconduction array imaging detectors low temperature measuring system - Google Patents
Terahertz superconduction array imaging detectors low temperature measuring system Download PDFInfo
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- CN106546554A CN106546554A CN201610936328.3A CN201610936328A CN106546554A CN 106546554 A CN106546554 A CN 106546554A CN 201610936328 A CN201610936328 A CN 201610936328A CN 106546554 A CN106546554 A CN 106546554A
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- temperature measurement
- measurement platform
- array imaging
- imaging detectors
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- 238000003384 imaging method Methods 0.000 title claims abstract description 30
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 58
- 238000005057 refrigeration Methods 0.000 claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 abstract description 7
- 238000012546 transfer Methods 0.000 abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 10
- 239000010935 stainless steel Substances 0.000 description 10
- 230000009466 transformation Effects 0.000 description 7
- 230000005347 demagnetization Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011982 device technology Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241001093575 Alma Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3581—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
Abstract
The invention discloses a kind of Terahertz superconduction array imaging detectors low temperature measuring system, the low temperature measuring system is mainly made up of low-temperature measurement platform and support member, support member draws fixing line suspension fixedly connected part and low-temperature measurement platform using Kev, while by fast pulley and securing member, support member realizes that the high intensity of low-temperature measurement platform is fixed.In low-temperature measurement, Terahertz superconduction array imaging detectors are directly mounted at low-temperature measurement platform, the low-temperature measurement platform and refrigeration machine lowest temperature cooling class（0.3K）By thermally coupled line（Such as oxygen-free copper-wire）Connection.In addition, support member is directly fixed on refrigeration machine 4K cooling class, Kev draws the ultralow heat transfer of fixing line ensure that and is effectively thermally isolated between low-temperature measurement platform and refrigeration machine 4K cooling class.
Description
Technical field
The invention belongs to low-temperature measurement field, and in particular to a kind of Terahertz superconduction array imaging detectors low-temperature measurement system
System.
Background technology
Terahertz wave band is observation CMB, early stage remote celestial body, cold faint object and is covered celestial body by dust
Unique wave band.For this purpose, propose in the world and built a series of ground and the astronomical plan of space Terahertz, such as SMA and ALMA
Face Terahertz interferes the ground single antenna Terahertz telescopes such as battle array, APEX, ASTE, Herschel, SOFIA space Terahertz to be looked in the distance
Mirror etc..It is astronomical in the works in the Terahertz in addition to battle array is interfered, the subjective measurement equipment of array imaging detectors all conducts, for terahertz
Hereby wave band great Tian areas imaging is toured the heavens, and provides the number handed down from ancient times of touring the heavens of this unique wave band for planet, fixed star, galaxy and cosmology research
According to storehouse.In addition, it is that universe interstellar matter property diagnosis and cosmological distances go up to the sky that array imaging detectors coordinate two-dimensional spectrometer
Unique means that body red shift is accurately determined.
Array imaging detectors are based primarily upon non-coherent detection device technology, terahertz wave band high sensitivity non-coherent detection device
Technology mainly has superconduction phase transformation edge finder and superconduction dynamic inductance detector.Superconduction phase transformation edge finder and superconduction dynamic
Inductance detector belongs to low temperature detector, in order to realize that both high sensitivity are required for being operated in sub- K warm areas（Such as 300mK temperature
Area or more low-temperature space）.
The Cryo Refrigerator that 300mK warm areas or more low-temperature space can be provided at present mainly has dilution refrigeration machine, absorption refrigeration
Machine and adiabatic demagnetization refrigeration machine, its core devices are respectively dilution refrigeration device, adsorption refrigerating device or adiabatic demagnetization refrigerator.
Above-mentioned three kinds of refrigerators are both needed to work in 4K basal temperatures, typically can be realized by pulse tube refrigeration, GM refrigeration or liquid helium refrigeration.
In actual applications, due to dilution refrigeration device, adsorption refrigerating device and adiabatic demagnetization refrigerator lowest temperature cooling class（Such as 300mK is cold
But level or more sub-cooled level）Area is generally less and load capacity is limited, it is difficult to be mounted directly Terahertz superconduction phase transformation edge
Array imaging detectors and Terahertz superconduction dynamic inductance array imaging detectors.For example, adsorption refrigerating device lowest temperature cooling class
Diameter is generally less than 5 centimetres, and maximum load capacity is only 0.1 kilogram.Detect for Terahertz superconduction phase transformation edge array image-forming
Device and Terahertz superconduction dynamic inductance array imaging detectors low-temperature measurement, existing common method are to support big face using stainless steel tube
Product low-temperature measurement platform, the low-temperature measurement platform will be thermally coupled to refrigeration machine lowest temperature cooling class, and stainless steel tube directly or
Connect and be fixed on refrigeration machine 4K cooling class（Such as it is directly fixed on refrigeration machine 4K cooling class or is fixed on refrigeration machine time sub-cooled level,
Then it is fixed on refrigeration machine 4K cooling class again otherwise）.Refrigeration machine 4K cooling class can load capacity it is generally large, it is reachable
Several kilograms even tens kilograms, while stainless steel tube high mechanical strength, it can be ensured that Terahertz superconduction phase transformation edge array image-forming is visited
Survey device and Terahertz superconduction dynamic inductance array imaging detectors effectively carry installation.However, supporting big face using stainless steel tube
Product low-temperature measurement platform there is also some problems.For example, it is if Stainless Steel pipe is directly fixed on refrigeration machine 4K cooling class, stainless
Steel pipe low temperature leakage heat can cause low-temperature measurement platform and refrigeration machine lowest temperature cooling class temperature to raise, while low temperature leakage heat also can
Shorten refrigeration machine（Such as adsorption refrigerating device and adiabatic demagnetization refrigeration machine）Effective time.If Stainless Steel pipe is fixed on refrigeration
Machine time sub-cooled level（Such as 1K cooling class etc.）, then it is fixed on refrigeration machine 4K cooling class again otherwise, refrigeration machine is most
The heat load of sub-cooled level can be relatively reduced, but whole low temperature measuring system structure will be extremely complex.Therefore, for Terahertz is super
Phase transformation edge array imaging detectors and Terahertz superconduction dynamic inductance array imaging detectors low-temperature measurement are led, exploitation one is needed badly
Plant the low temperature measuring system for being compact, easy to and realizing simple for structure.
The content of the invention
The present invention for deficiency of the prior art, there is provided a kind of Terahertz superconduction array imaging detectors low-temperature measurement
System.
For achieving the above object, the present invention is employed the following technical solutions：
A kind of Terahertz superconduction array imaging detectors low temperature measuring system, it is characterised in that include：
Low-temperature measurement platform, for installing Terahertz superconduction array imaging detectors；
Support member, is directly fixed on refrigeration machine 4K cooling class, for supporting low-temperature measurement platform；
Connector, connection low-temperature measurement platform and support member；
Refrigeration machine 0.3K cooling class, for cooling down low-temperature measurement platform；
Thermally coupled line, connection low-temperature measurement platform and refrigeration machine 0.3K cooling class.
To optimize above-mentioned technical proposal, the concrete measure taken also includes：
The low-temperature measurement platform be hexagon no-oxygen copper plate, its surface gold-plating, screwed hole is left in side.
The quantity of the support member is three, is connected with low-temperature measurement platform by three connectors respectively, support member etc.
Angular interval ground is arranged around low-temperature measurement platform side.
The support member includes carriage, the first fast pulley, the second fast pulley, the first securing member, the second securing member and consolidates
Alignment；First fast pulley, the second fast pulley, the first securing member and the second securing member are separately mounted to the corner of carriage,
Wherein, the first fast pulley and the second securing member are arranged in diagonal, and the second fast pulley and the first securing member are arranged in diagonal；The
One securing member and the second securing member are used for the line that is locked, and described fixing line one end is fixed on the first securing member, the other end according to
It is secondary to bypass the second fast pulley and the first fast pulley, it is finally fixed on the second securing member so that fixing line shape in the middle part of the carriage
Into right-angled intersection, the connector is arranged on fixing line infall.
The connector side is provided with the wire casing being adapted with the fixing line intersected, and connector is suspended at fixation by wire casing
On line, and fixed by coating STYCAST in wire casing；Screw through-hole is additionally provided with connector, with low-temperature measurement platform
The corresponding threaded holes of side are closed.
The fixing line is that Kev draws fixing line.
The thermally coupled line is oxygen-free copper-wire.
The invention has the beneficial effects as follows：Using support member and the fixed low-temperature measurement platform of connector suspension, wherein support member
Fixed by the high intensity that low-temperature measurement platform is realized using fixing line, fast pulley and securing member；Using three support members
In etc. angular separation fix low-temperature measurement platform, while support member adopt right-angled intersection fixing line fixedly connected part, it is ensured that low temperature survey
The amount platform six direction free degree is constrained；The fixed low-temperature measurement platform of fixing line suspension is drawn using Kev, Kev draws to be fixed
Line cryogenic heat transfer coefficient is low, and low-temperature measurement platform and refrigeration machine 4K cooling class can be effectively thermally isolated, while Kev draws fixing line
High mechanical strength, the resistance to tortuous, coefficient of expansion are little, effectively increase system mechanics intensity and functional reliability；Using oxygen-free copper-wire
Connection low-temperature measurement platform and refrigeration machine 0.3K cooling class, oxygen-free copper cryogenic heat transfer coefficient are high, it can be ensured that low-temperature measurement platform
Effectively cool down.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structural representation of support member of the present invention.
Reference is as follows：Low-temperature measurement platform 1, support member 2, carriage 21, the first fast pulley 22, the second fast pulley
22 ', the first securing member 23, the second securing member 23 ', fixing line 24, connector 3, screw through-hole 31, refrigeration machine 0.3K cooling class 4,
Thermally coupled line 5.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.
As shown in figure 1, Terahertz superconduction array imaging detectors low temperature measuring system includes low-temperature measurement platform 1, supports
Part 2, connector 3, refrigeration machine 0.3K cooling class（Lowest temperature cooling class）4 and thermally coupled line 5.
In the low temperature measuring system, low-temperature measurement platform 1 is the hexagon no-oxygen copper plate of surface gold-plating, Terahertz superconduction
Phase transformation edge array imaging detectors and Terahertz superconduction dynamic inductance array imaging detectors can be directly fixed on the low temperature and survey
Amount platform 1 realizes low-temperature measurement.Low-temperature measurement platform 1 is connected with refrigeration machine 0.3K cooling class 4 by the thermally coupled line of oxygen-free copper 5,
Oxygen-free copper cryogenic heat transfer coefficient is high, it is ensured that low-temperature measurement platform 1 is effectively cooled down.Screwed hole is left in 1 side of low-temperature measurement platform,
Which is passed through three connectors 3 and is connected with three support members 2, support member 2 in etc. angular separation ground around low-temperature measurement platform 1 side
Arrange, and be fixed on refrigeration machine 4K cooling class.
With further reference to Fig. 2, support member 2 specifically include carriage 21, the first fast pulley 22, the second fast pulley 22 ', first
Securing member 23, the second securing member 23 ' and fixing line 24.First fast pulley 22, the second fast pulley 22 ', the first securing member 23 and
Two securing members 23 ' are separately mounted to the corner of carriage 21, wherein, the first fast pulley 22 and the second securing member 23 ' are in diagonal
Arrange, the second fast pulley 22 ' and the first securing member 23 are arranged in diagonal；First securing member 23 and the second securing member 23 ' are used for
Be locked line 24, and 24 one end of fixing line is fixed on the first securing member 23, and the other end bypasses the second fast pulley 22 ' and successively
One fast pulley 22, is finally fixed on the second securing member 23 ' so that fixing line 24 forms right-angled intersection in the middle part of carriage 21.
And connector 3 is arranged on 24 infall of fixing line, 3 side of connector is provided with the wire casing being adapted with the fixing line 24 intersected, Gu
Alignment 24 passes through wire casing, then realizes that connector 3 and the suspension of low-temperature measurement platform 1 are consolidated by fast pulley 22 and securing member 23
It is fixed, coating STYCAST in final online groove（The epoxide-resin glue of heat conduction）Fixed, on connector 3, be additionally provided with screw through-hole
31, close with the corresponding threaded holes of 1 side of low-temperature measurement platform.Support member 2 is fixedly connected using the suspension of right-angled intersection fixing line 24
Part 3, and then guarantee that the 1 six direction free degree of low-temperature measurement platform is constrained, fixing line 24 draws fixing line, Kev using Kev
Draw fixing line cryogenic heat transfer coefficient low, effectively realize being thermally isolated between low-temperature measurement platform 1 and refrigeration machine 4K cooling class, together
Shi Kaifu draws fixing line high mechanical strength, improves system mechanics stabilized soil pavement.
Compared to Conventional cryogenic measuring system, i.e., low-temperature measurement platform is supported using stainless steel tube, and stainless steel tube is straight
Connect and be fixed on refrigeration machine 4K cooling class or be fixed on refrigeration machine time sub-cooled level, be then fixed on refrigeration otherwise
Machine 4K cooling class, the Terahertz superconduction array imaging detectors low temperature measuring system of the present invention have following technological progress：
1）The fixed low-temperature measurement platform of fixing line suspension, 300mK warm areas Kev is drawn to draw fixing line coefficient of heat conduction ratio using Kev
The little about 3-4 magnitude of stainless steel material, can effectively be thermally isolated low-temperature measurement platform and refrigeration machine 4K cooling class, while Kev draws solid
Alignment high mechanical strength, effectively enhances system mechanics intensity and job stability；
2）Low-temperature measurement platform is fixed using three support member suspensions, and support member is directly fixed on refrigeration machine 4K cooling class, it is whole
Individual low temperature measuring system is simple and compact for structure, it is easy to practical application；
3）The present invention is using oxygen-free copper-wire connection low-temperature measurement platform and refrigeration machine 0.3K cooling class, oxygen-free copper cryogenic heat transfer system
Number is high, it can be ensured that low-temperature measurement platform is effectively cooled down.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention
Scope.
Claims (7)
1. a kind of Terahertz superconduction array imaging detectors low temperature measuring system, it is characterised in that include：
Low-temperature measurement platform（1）, for installing Terahertz superconduction array imaging detectors；
Support member（2）, refrigeration machine 4K cooling class is directly fixed on, for supporting low-temperature measurement platform（1）；
Connector（3）, connect low-temperature measurement platform（1）And support member（3）；
Refrigeration machine 0.3K cooling class（4）, for cooling down low-temperature measurement platform（1）；
Thermally coupled line（5）, connect low-temperature measurement platform（1）With refrigeration machine 0.3K cooling class（4）.
2. Terahertz superconduction array imaging detectors low temperature measuring system as claimed in claim 1, it is characterised in that：It is described low
Temperature measurement platform（1）For hexagon no-oxygen copper plate, its surface gold-plating, screwed hole is left in side.
3. Terahertz superconduction array imaging detectors low temperature measuring system as claimed in claim 2, it is characterised in that：Described
Support member（2）Quantity be three, respectively by three connectors（3）With low-temperature measurement platform（1）Side is connected, support member（2）
Surround low-temperature measurement platform with being angularly equidistant（1）Arrange.
4. Terahertz superconduction array imaging detectors low temperature measuring system as claimed in claim 3, it is characterised in that：Described
Support member（2）Including carriage（21）, the first fast pulley（22）, the second fast pulley（22’）, the first securing member（23）, second fastening
Part（23’）And fixing line（24）；First fast pulley（22）, the second fast pulley（22’）, the first securing member（23）It is tight with second
Firmware（23’）It is separately mounted to carriage（21）Corner, wherein, the first fast pulley（22）With the second securing member（23’）In right
Linea angulata is arranged, the second fast pulley（22’）With the first securing member（23）Arrange in diagonal；First securing member（23）With the second fastening
Part（23’）For the line that is locked（24）, the fixing line（24）One end is fixed on the first securing member（23）On, the other end is successively
Bypass the second fast pulley（22’）With the first fast pulley（22）, it is finally fixed at the second securing member（23’）On so that fixing line
（24）In carriage（21）Middle part forms right-angled intersection, the connector（3）Installed in fixing line（24）Infall.
5. Terahertz superconduction array imaging detectors low temperature measuring system as claimed in claim 4, it is characterised in that：The company
Fitting（3）Side is provided with and the fixing line intersected（24）The wire casing being adapted, connector（3）Fixing line is suspended at by wire casing
（24）On, and fixed by coating STYCAST in wire casing；Connector（3）On be additionally provided with screw through-hole（31）, with low temperature
Measuring table（1）The corresponding threaded holes of side are closed.
6. Terahertz superconduction array imaging detectors low temperature measuring system as claimed in claim 4, it is characterised in that：It is described solid
Alignment（24）Fixing line is drawn for Kev.
7. Terahertz superconduction array imaging detectors low temperature measuring system as claimed in claim 1, it is characterised in that：The heat
Connecting line（5）For oxygen-free copper-wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610936328.3A CN106546554B (en) | 2016-11-01 | 2016-11-01 | Low-temperature measurement system of terahertz superconducting array imaging detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610936328.3A CN106546554B (en) | 2016-11-01 | 2016-11-01 | Low-temperature measurement system of terahertz superconducting array imaging detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106546554A true CN106546554A (en) | 2017-03-29 |
| CN106546554B CN106546554B (en) | 2019-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610936328.3A Active CN106546554B (en) | 2016-11-01 | 2016-11-01 | Low-temperature measurement system of terahertz superconducting array imaging detector |
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Cited By (2)
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| CN112263234A (en) * | 2020-11-18 | 2021-01-26 | 上海理工大学 | Human body acupuncture point detection device for detecting terahertz radiation signals and using method |
| CN113340841A (en) * | 2021-06-01 | 2021-09-03 | 苏州锐心观远太赫兹科技有限公司 | Terahertz ultralow-temperature superconducting detection system and reading circuit thereof |
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| Publication number | Publication date |
|---|---|
| CN106546554B (en) | 2019-12-17 |
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