CN104154671A - Structure of coaxial pulse tube refrigerator for cooling high-temperature superconductivity filter and manufacturing method thereof - Google Patents
Structure of coaxial pulse tube refrigerator for cooling high-temperature superconductivity filter and manufacturing method thereof Download PDFInfo
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- CN104154671A CN104154671A CN201410403501.4A CN201410403501A CN104154671A CN 104154671 A CN104154671 A CN 104154671A CN 201410403501 A CN201410403501 A CN 201410403501A CN 104154671 A CN104154671 A CN 104154671A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
- F25B9/145—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle pulse-tube cycle
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
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Abstract
The invention discloses a structure of a coaxial pulse tube refrigerator for cooling a high-temperature superconductivity filter and the manufacturing method thereof. The structure is composed of a hot end heat exchanger, a cold head, a heat conducting belt, a cold plate, a high-reflection cold shield, an anti-radiation screen, an H-shaped Dewar flask, a Dewar cover, a thin framework structure and an equipment box. The pulse tube refrigerator is high in reliability and long in service life, the cold end is free of moving parts, and the influence of moving vibration of the cold end on signal transmission of the high-temperature superconductivity filter is eliminated. According to the structure of the coaxial pulse tube refrigerator for cooling the high-temperature superconductivity filter and the manufacturing method thereof, the advantages of the coaxial pulse tube refrigerator of being easy to couple and compact in overall structure are fully utilized, and a stable, reliable, low-noise and low-vibration low-temperature cold source can be provided for the high-temperature superconductivity filter. The structure of the coaxial pulse tube refrigerator for cooling the high-temperature superconductivity filter and the manufacturing method thereof have positive significance for further application and promotion of the high-temperature superconductivity filter and practicability of the coaxial pulse tube refrigerator in fields such as mobile communication.
Description
Technical field
Technical field of the present invention relates to refrigeration and cryogenic engineering field, superconduction engineering field and communication engineering field, relate to pulse tube refrigerating machine and high temperature superconduction wave filter, particularly a kind of structure and manufacture method of coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter.
Background technology
High temperature superconductor technology is as one of swift and violent cutting edge technology of development in recent years, be applied to moving communicating field, there are many advantages, the high temperature superconduction wave filter that particularly high temperature superconducting materia is made, compared with conventional wave filter, its passband loss is little, and stopband suppresses greatly, sideband is precipitous, can be made into narrow-band filter, volume is little, quality is light.Be applied to civilian moving communicating field, high temperature superconduction wave filter can significantly improve mobile base station selective, sensitivity and information transfer rate, raising speech quality, increase call capacity, expand base station area coverage, strengthen base station antijamming capability, reduce mobile phone transmission power.Along with the maturation of high temperature superconduction wave filter theory and manufacturing process, and the fast development in the world of mobile communication industry, high temperature superconduction wave filter is expected to bring revolutionary variation for global mobile communication field.
Mobile base station is 60～80K by high temperature superconduction wave filter best effort environment temperature, at present at this warm area, small-sized low temperature mechanical refrigerator is as low-temperature receiver, can well meet the requirement of high temperature superconduction wave filter cold, consider the external working environment of high temperature superconduction wave filter, except cold requires, also need refrigeration machine to there is the features such as stable, efficient, low interference, long-life, small size, light weight.At present, mobile base station adopts sterlin refrigerator as low temperature cold source with high temperature superconduction wave filter product mostly both at home and abroad, but because the moving components such as sterlin refrigerator cold head end displacer can bring mechanical oscillation and electromagnetic interference signal, the work output signal of high temperature superconduction wave filter is had to considerable influence.And the reliability of sterlin refrigerator and working life are also larger bottlenecks that affects its service behaviour.
Pulse tube refrigerating machine comes into operation after the eighties in 20th century, compared with other small-sized regenerating type low-temperature refrigerators especially sterlin refrigerator, it is at cold junction movement-less part, phase adjusted is completed by passive phase modulating mechanism, has the plurality of advantages such as cold is large, efficiency is high, the vibration of cold junction machinery-free, reliability is high, life expectancy is long.According to different architectural features, pulse tube refrigerating machine can be divided into coaxial type, U-shaped, three kinds of patterns of linear pattern, as shown in Figure 1, wherein coaxial type pulse tube refrigerating machine structure is the compactest, structurally sterlin refrigerator is had well substitutingly, in the cooling application of mobile base station high temperature superconduction wave filter, there is very big advantage.
Summary of the invention
In view of the feature of high temperature superconduction wave filter and coaxial impulse pipe refrigerating machine, the present invention proposes structure and the manufacture method of coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter, object is, make full use of the advantages such as the low vibration of coaxial impulse pipe refrigerating machine,, cold high in 60～80K warm area efficiency are large, compact conformation, for high temperature superconduction wave filter provides the low temperature cold source of the low vibration of reliable and stable low noise.
The structure of the coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter of inventing as shown in Figure 2, be made up of hot end heat exchanger 7, cold head 27, thermal conductive belt 23, cold drawing 17, the cold screen 24 of high reflection, protective shield of radiation 25, I-shaped Dewar 14, Dewar lid 18, thin frame structure 21, equipment box 9, its feature is as follows:
Coaxial impulse pipe refrigerating machine pulse tube 4 inserts in regenerator 3 with one heart, and compressor 1 is connected with coaxial impulse pipe refrigerating machine hot end heat exchanger 7 by connecting leg 2, with phase modulating mechanism 5 and the common composition coaxial impulse pipe refrigerating machine of air reservoir 6; Refrigeration working medium back and forth flows at refrigerating device inner, and by the phase modulation effect of phase modulating mechanism 5 and air reservoir 6, at cold head, 27 places produce cold, and there is centre bore 38 in cold head 27 left sides, by melting welding, thermal conductive belt 23 middle deck 39 are connected with centre bore 38 end faces; Thermal conductive belt 23 has certain elasticity, is several character form structures, cold head 27 places is produced to cold and be passed to cold drawing 17; There is diameter 1.0～3.0mm vacuum passage 16 in cold head 27 centre bore 38 end face one sides, act as and in the time vacuumizing, make the air of cold head 27 centre bore 38 interior accumulations by discharging; Cold drawing 17 central boss 41 are inserted cold head 27 centre bores 38, are pressed on thermal conductive belt 23 two ends platforms 40; Between cold drawing 17 and cold head 27, scribble heat-conducting silicone grease.High temperature superconduction wave filter 20 lower surfaces are placed with the indium sheet 19 of high thermal conductivity coefficient, indium sheet 19 is positioned in cold drawing 17 end face shallow slots 42, three connects by screw fastening, wherein on indium sheet 19 and cold drawing 17 end face shallow slots 42, is useful on uniform through hole 43 and the groove face screwed hole 44 of fixing high temperature superconduction wave filter 20; Between high temperature superconduction wave filter 20, indium sheet 19 and cold drawing 17, scribble heat-conducting silicone grease.High temperature superconduction wave filter 20 is positioned over the thermal loss causing to reduce heat radiation among the cold screen 24 of high reflection, the cold screen 24 of high reflection is several character form structures, base platform has uniform through hole 45, connect protective shield of radiation 25 in cold drawing 17 end faces by screw fastening, wherein there is uniform screwed hole 46 cold drawing 17 end face corresponding sections, and uniform through hole 47 is arranged at protective shield of radiation 25 tops; Radiation proof wall 35 thickness are between 0.5～2.0mm.Regenerator 3 and cold head 27 outer surfaces are wrapped with Multilayer single aluminized polyester film 28; Thin frame structure 21 is connected in I-shaped Dewar 14 upper flange 61 end faces, is made up of the thin rod of 3～10 diameter 1.0～5.0mm, is cage structure, is wrapped with the high reflecting material 22 of multilayer in outside.Hot end heat exchanger 7, I-shaped Dewar 14, Dewar lid 18 form vacuum chamber, and three is connected by screw, utilize sealing ring to seal.Dewar lid 18 sidewalls are provided with vacuum valve seat 26, the interface vacuumizing for Dewar.The coaxial cable 29 that the signal input of high temperature superconduction wave filter 20 utilizes coaxial with two ends-micro-belt lacing to be connected with output, through hole 49 through cold screen 24 sidewalls of high reflection is connected in the sealed electrical connector 30 of I-shaped Dewar 14 upper flange 61 end faces, and transmits signals to automatically controlled and signal pickup assembly 10 by signal transmssion line 13 and signal transmssion line 15.Automatically controlled and signal pickup assembly 10 is furnished with outside power supply and signaling interface in equipment box 9 outsides.High temperature superconduction wave filter 20 is positioned over equipment box 9 with the rear entirety of coaxial impulse pipe refrigerating machine coupling.Equipment box 9 is divided into three parts by lagging 12 and perpendicular baffle plate 31, fixing compressor 1 and automatically controlled and signal pickup assembly 10 are placed in lagging 12 belows, coaxial impulse pipe refrigerating machine cold finger is placed in lagging 12 tops, perpendicular baffle plate 31 right sides are hot end heat exchanger 7 and phase modulation apparatus 5 and air reservoir 6, and left side is high temperature superconduction wave filter 20 and vacuum dewar assembly.Compressor 1 is fixed on equipment box 9 base plates 51 by support 8, and is positioned on heat radiation support platform 36.Lagging 12 middle parts are positioned at connecting leg 2 positions rectangular slit pore 37, facilitates connecting leg 2 through being connected with hot end heat exchanger 7; Left side has passage 52 to facilitate signal transmssion line 13 and signal transmssion line 15 to pass through.Coaxial impulse pipe refrigerating machine cold finger hot end heat exchanger 7 utilizes support 32 to be fixed on equipment box 9 base plates 51, and the below of support 32 is positioned on lagging 12.Perpendicular baffle plate 31 is made up of two symmetrical baffle plate, and there is half slot 59 at every baffle plate center, respectively has a slice annular clamping plate 58 in perpendicular baffle plate 31 both sides, after installing, forms circular port 60, and I-shaped Dewar 14 is positioned on circular port 60 fixing.I-shaped Dewar 14 upper flanges 61 are positioned on the circular hole 62 of equipment box 9 left plates 50.The box cover of equipment box 9 63 and equipment box 9 left plate lids 64 are placed, make high temperature superconduction wave filter 20 and coaxial impulse pipe refrigerating machine overall package in equipment box 9.Epipleural 53 medium positions of equipment box 9 leave fan installing hole 54, right plate 55 medium positions leave fence installing hole 56, be separately installed with fan 34 and fan fence 33 and fence 35, in the time that coaxial impulse pipe refrigerating machine moves, fan 34 is worked, between fan fence 33 and fence 35, form air flow passage, to hot end heat exchanger, dispel the heat in 7 places.
The manufacture method of the coaxial impulse pipe refrigerating machine cooling high-temperature superconducting filter construction of inventing is as follows:
Coaxial impulse pipe refrigerating machine cold head 27 adopts high-purity oxygenless copper material that heat conductivility is good to be made, at cold head 27 left side car centre bores 38, finish turning centre bore 38 end faces, flatness is at 0.02～0.10mm, be 1.0～3.0mm through hole at centre bore 38 end face downside drill diameters, form vacuum passage 16; Thermal conductive belt 23 by 10～50 thick be that the red copper foil of 0.1～1.0mm forms, every red copper foil length is 10～100mm, forms several character form structures of entirety by bending; Thermal conductive belt 23 middle deck 39 melting welding are connected in centre bore 38 end faces; Cold drawing 17 central boss 41 external diameters are slightly less than cold head 27 centre bore 38 internal diameters; Cold drawing 17 central boss 41 are inserted cold head 27 centre bores 38, are pressed on thermal conductive belt 23 two ends platforms 40.The end face shallow slot 42 that the cold drawing 17 left side car degree of depth are 0.1～1.0mm, flatness is at 0.02～0.10mm; High temperature superconduction wave filter 20 is positioned on the indium sheet 19 of thickness 0.1～1.0mm, and indium sheet 19 is positioned in cold drawing 17 end face shallow slots 42, and three connects by screw fastening, wherein on cold drawing 17 end face shallow slots 42, attacks groove face screwed hole 44, and indium sheet 19 has uniform through hole 43; Between high temperature superconduction wave filter 20, indium sheet 19 and cold drawing 17 end face shallow slots 42, scribble appropriate heat-conducting silicone grease.High temperature superconduction wave filter 20 is positioned in the cold screen 24 of high reflection; The cold screen 24 of high reflection is made up of the material with high reflectance, thickness 0.5～2.0mm, in the processing of blank polishing both surfaces, after Integral bending, cross section is several character form structures, and after the intersection of four sides bending arm utilizes Laser Welding to be welded as a whole, entirety is turned black, and after blackening process, its outer surface is carried out to mirror finish; The uniform through hole 45 of base platform truck, is connected by screw protective shield of radiation 25 in cold drawing 17 end faces, at the uniform screwed hole 46 of cold drawing 17 end face corresponding section car; Protective shield of radiation 25 is made up of the material with high reflectance, integral thickness 0.5～2.0mm, and at the uniform through hole 47 of its top car, radiation proof wall 48 thickness are 0.5～2.0mm.Regenerator 3 and cold head 27 outer surfaces are wrapped up in Multilayer single aluminized polyester film 28; Thin frame structure 21 is made up of the thin rod of 3～10 diameter 1.0～5.0mm, is connected as a single entity by silver soldering in intersection, is cage structure, is installed on I-shaped Dewar 14 upper flange 61 end faces, and thin frame structure 21 is wrapped with the high reflecting material 22 of multilayer.Finish turning also grinds hot end heat exchanger 7 flange 65 end faces, and flatness, at 0.02～0.10mm, fits tightly with I-shaped Dewar 14 lower flanges 66, connects by screw, utilizes O RunddichtringO to seal.I-shaped Dewar 14 lower flange 66 end faces make flatness at 0.02～0.10mm by finish turning grinding, fit tightly with hot end heat exchanger 7 flange 65 end faces, connect by screw; Finish turning also grinds its upper flange 61 end faces, and flatness, at 0.02～0.10mm, fits tightly with Dewar lid 18 flange faces, uses screw to connect, and uses O RunddichtringO to seal; I-shaped Dewar 14 upper flanges 61 are installed sealed electrical connector 30.Make Dewar lid 18 flange face flatnesses at 0.02～0.10mm by finish turning grinding, fit tightly with I-shaped Dewar 14 upper flange 61 end faces, use screw to connect, use O RunddichtringO to seal; Vacuum valve seat 26 is installed in Dewar lid 18 sides.The coaxial cable 29 that high temperature superconduction wave filter 20 utilizes coaxial with two ends-micro-belt lacing to be connected, through through hole 49 connecting sealing electric connectors 30 of cold screen 24 sidewalls of high reflection, and transmit signals to automatically controlled and signal pickup assembly 10 by signal transmssion line 13 and signal transmssion line 15.Automatically controlled and signal pickup assembly 10 is installed on equipment box 9 left plates 50.After high temperature superconduction wave filter 20 and coaxial impulse pipe refrigerating machine coupling, entirety is positioned over equipment box 9.Equipment box 9 is three parts by lagging 12 and perpendicular baffle plate 31 by spatial separation, and lagging 12 belows are placed the support 8 of fixing compressor 1 and supported cooling platform 36; Fixing coaxial pulse tube refrigerating machine cold finger is placed in lagging 12 tops, perpendicular baffle plate 31 right sides utilize support 32 to provide fixing for hot end heat exchanger 7, phase modulation apparatus 5 and air reservoir 6, lagging 12 is played a supporting role to support 32, and left side utilizes perpendicular baffle plate 31 and left plate 50 to provide fixing for high temperature superconduction wave filter 20 and vacuum dewar assembly.There is fan installing hole 54 epipleural 53 positions to the left, middle part of equipment box 9, and fence installing hole 56 is left in right plate 55 positions on the upper side, middle part, respectively provided with fan 34 and fan fence 33 and fence 35.Lagging 12 is positioned at connecting leg 2 position vehicle commander side slit pores 37, makes connecting leg 2 through being connected with hot end heat exchanger 7.Lagging 12 left side vehicle passages 52 facilitate signal transmssion line 13 and signal transmssion line 15 to pass through.Perpendicular baffle plate 31 is made up of two symmetric component, and there is half slot 59 at every baffle plate center, and respectively there are a slice annular clamping plate 58 both sides, after installing, form circular port 60.I-shaped Dewar 14 sidewalls 57 are positioned on circular port 60; I-shaped Dewar 14 upper flanges 61 are positioned on the circular hole 62 of equipment box 9 left plates 50.After installing, the box cover of equipment box 9 63 and left plate lid 64 are placed, by high temperature superconduction wave filter 20 and coaxial impulse pipe refrigerating machine overall package in equipment box 9.
The present invention has following features:
1) adopt coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter, high in its required best effort warm area 60～80K efficiency, cold large, compact conformation, alternative conventional sterlin refrigerator at present;
2) adopt cold drawing structure to adapt to the relatively large feature of high temperature superconduction wave filter volume, cold drawing 17 and cold head 27 close-fittings, utilization has flexible thermal conductive belt 23 and transmits cold, high temperature superconduction wave filter 20 is fixed on cold drawing 17, wherein high temperature superconduction wave filter has indium sheet 19 20 times, ensures to fit tightly between cold drawing 17;
3) adopt unique Multilayer radiation-proof layer package structure, adopt protective shield of radiation 25 and at regenerator 3 skins, thin frame structure 21 outer all wrapped multiple one side aluminized polyester film 28 and Multilayer radiation-proof material 22, maximum possible reduces the loss of refrigeration capacity that heat radiation causes; Adopt the cold screen 24 of high reflection to make high temperature superconduction wave filter 20 working environments keep low temperature;
4) adopted hot end heat exchanger 7, I-shaped Dewar 14 and Dewar lid 18 to provide vacuum chamber environment for high temperature superconduction wave filter 20, wherein Dewar lid 18 can be for convenience detach, and sealed electrical connector 30 is positioned on I-shaped Dewar 14, facilitates the installation of high temperature superconduction wave filter 20 and adjust when needed or change;
5) will place and be fixed in equipment box 9 with closely-coupled high temperature superconduction wave filter 20 entirety of coaxial impulse pipe refrigerating machine, provide the input/output interface of signal by equipment box 9 for high temperature superconduction wave filter 20, for coaxial impulse pipe refrigerating machine compressor 1 provides electric control gear, and compressor 1 and refrigeration machine hot junction are dispelled the heat while moving for coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter 20.
Pulse tube refrigerating machine reliability is high, long working life, and cold junction movement-less part, has eliminated the impact of cold junction motion oscillations on the transmission of high temperature superconduction wave filter signal.The present invention makes full use of the advantages such as coaxial impulse pipe refrigerating machine is easily coupled, compact overall structure, and can be high temperature superconduction wave filter provides the low temperature cold source of reliable and stable, low noise, low vibration.The present invention further applies high temperature superconduction wave filter and coaxial impulse pipe refrigerating machine has positive meaning in the fields such as mobile communication practical.
Brief description of the drawings
Fig. 1 is three kinds of method for arranging schematic diagrames of pulse tube refrigerating machine, and wherein Fig. 1 (a) arranges for linear pattern, and Fig. 1 (b) is U-shaped layout, and Fig. 1 (c) is coaxial type layout.
Fig. 2 is the structural representation of coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter.
Fig. 3 is cold head 27 structural representations, and wherein Fig. 3 (a) is front view, and Fig. 3 (b) is A-A profile.
Fig. 4 is thermal conductive belt 23 structural diagrams.
Fig. 5 is cold drawing 17 structural representations, and wherein Fig. 5 (a) is front view, and Fig. 5 (b) is side view, and Fig. 5 (c) is B-B profile.
Fig. 6 is indium sheet 19 structural representations, and wherein Fig. 6 (a) is front view, and Fig. 6 (b) is side view.
Fig. 7 is cold screen 24 schematic diagrames of high reflection, and wherein Fig. 7 (a) is front view, and Fig. 7 (b) is C-C profile.
Fig. 8 is protective shield of radiation 25 structural representations, and wherein Fig. 8 (a) is front view, and Fig. 8 (b) is D-D profile.
Fig. 9 is thin frame structure 21 schematic diagrames, and wherein Fig. 9 (a) is front view, and Fig. 9 (b) is top view.
Figure 10 hot end heat exchanger 7 structural representations.
Figure 11 is I-shaped Dewar 14 structural representations.
Figure 12 is Dewar lid 18 structural representations.
Figure 13 is equipment box 9 agent structure schematic diagrames.
Figure 14 is lagging 12 structural representations, and wherein Figure 14 (a) is top view, and Figure 14 (b) is front view.
Figure 15 is perpendicular baffle plate 31 structural representations, and wherein Figure 15 (a) is symmetrical baffle plate side view, and Figure 15 (b) is front view, and Figure 15 (c) is right side view.
Figure 16 is equipment box 9 box cover 63 structural representations, and wherein Figure 16 (a) is front view, and Figure 16 (b) is side view.
Figure 17 is equipment box 9 left plate lid 64 structural representations, and wherein Figure 17 (a) is front view, and Figure 17 (b) is side view.
Wherein: 1 is compressor, 2 is connecting leg, 3 is regenerator, 4 is pulse tube, 5 is phase modulating mechanism, 6 is air reservoir, 7 is hot end heat exchanger, 8 is support, 9 is equipment box, 10 is automatically controlled and signal pickup assembly, 11 is cable, 12 is lagging, 13 is signal transmssion line, 14 is I-shaped Dewar, 15 is signal transmssion line, 16 is cold head vacuum passage, 17 is cold drawing, 18 is Dewar lid, 19 is indium sheet, 20 is high temperature superconduction wave filter, 21 is thin frame structure, 22 is the high reflecting material of multilayer, 23 is thermal conductive belt, 24 is the cold screen of high reflection, 25 is protective shield of radiation, 26 is vacuum valve seat, 27 is cold head, 28 is Multilayer single aluminized polyester film, 29 is coaxial cable, 30 is sealing cable junctions, 31 perpendicular baffle plates, 32 is support, 33 is fan fence, 34 is fan, 35 is fence, 36 is heat radiation support platform, 37 is the rectangular slit pore of lagging 12, 38 is cold head 27 centre bores, 39 is thermal conductive belt 23 middle deck, 40 is thermal conductive belt 23 two ends platforms, 41 is cold drawing 17 central boss, 42 is cold drawing 17 end face shallow slots, 43 is the uniform through hole of indium sheet 19, 44 is cold drawing 17 end face shallow slot 42 groove face screwed holes, 45 is the uniform through hole of the cold screen 24 base platform of high reflection, 46 is the uniform screwed hole of cold drawing 17, 47 is the protective shield of radiation 25 uniform through holes in top, 48 is protective shield of radiation 25 radiation proof walls, 49 is the cold screen 24 sidewall through holes of high reflection, 50 is equipment box 9 left plates, 51 is equipment box 9 base plates, 52 is lagging 12 left channel, 53 is equipment box 9 epipleurals, 54 is equipment box 9 epipleural 53 fan installing holes, 55 is equipment box 9 right plates, 56 is equipment box 9 right plate 55 fence installing holes, 57 is I-shaped Dewar 14 sidewalls, 58 is the perpendicular annular clamping plate of baffle plate 31, 59 is perpendicular baffle plate 31 half slots, 60 is perpendicular baffle plate 31 circular ports, 61 is I-shaped Dewar 14 upper flanges, 62 is equipment box 9 left plate 50 circular holes, 63 is equipment box 9 box covers, 64 is equipment box 9 left plate lids, 65 is hot end heat exchanger 7 flanges, 66 is I-shaped Dewar 14 lower flanges.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
As shown in Figure 2, coaxial impulse pipe refrigerating machine is made up of structure members such as compressor 1, connecting leg 2, regenerator 3, pulse tube 4, phase modulating mechanism 5, air reservoir 6, hot end heat exchanger 7, cold heads 27, wherein pulse tube 4 inserts in regenerator 3 with one heart, and compressor 1 is connected with coaxial impulse pipe refrigerating machine hot end heat exchanger 7 by connecting leg 2; Refrigeration working medium is inner back and forth mobile at compressor 1, connecting leg 2, regenerator 3, pulse tube 4, hot end heat exchanger 7, phase modulating mechanism 5 and air reservoir 6, and by the phase modulation effect of phase modulating mechanism 5 and air reservoir 6, at cold head, 27 places produce colds.As shown in Figure 3, there is centre bore 38 in its left side to cold head 27 structures, by melting welding, thermal conductive belt 23 middle deck 39 is connected with centre bore 38 end faces; Thermal conductive belt 23 has certain elasticity, as shown in Figure 4, is several character form structures, and it act as cold head 27 places' generation colds are passed to cold drawing 17, and thermal conductive belt 23 two ends platforms 40 are connected with cold drawing 17; Having diameter in cold head 27 centre bore 38 end face one sides is 1.5mm through hole, is cold head 27 vacuum passages 16, and it act as and in the time vacuumizing, makes the air of cold head 27 centre bore 38 interior accumulations pass through; As shown in Figure 5, its central boss 41 is inserted cold head 27 centre bores 38 to cold drawing 17 structures, is pressed on thermal conductive belt 23 two ends platforms 40; Between cold drawing 17 and cold head 27, scribble heat-conducting silicone grease.High temperature superconduction wave filter 20 lower surfaces are placed with the indium sheet 19 of high thermal conductivity coefficient, structure as shown in Figure 6, indium sheet 19 is positioned in cold drawing 17 end face shallow slots 42, three connects by screw fastening, wherein on indium sheet 19 and cold drawing 17 end face shallow slots 42, is useful on uniform through hole 43 and the groove face screwed hole 44 of fixing high temperature superconduction wave filter 20; For adding heat-flash conduction, between high temperature superconduction wave filter 20, indium sheet 19 and cold drawing 17, scribble appropriate heat-conducting silicone grease.The thermal loss causing for reducing heat radiation, high temperature superconduction wave filter 20 is positioned among the cold screen 24 of high reflection, the cold screen 24 of high reflection is several character form structures, as shown in Figure 7, base platform has uniform through hole 45, connects protective shield of radiation 25 in cold drawing 17 end faces by screw fastening, and wherein there is uniform screwed hole 46 in the corresponding place of cold drawing 17 end faces, as shown in Figure 8, uniform through hole 47 is arranged protective shield of radiation 25 structures at its top; For reducing conductive heat loss, radiation proof wall 48 thickness are 0.5mm.Be wrapped with Multilayer single aluminized polyester film 28 at regenerator 3 and cold head 27 outer surfaces; I-shaped Dewar 14 upper flange 61 end faces are connected with thin frame structure 21, as shown in Figure 9, are made up of the thin rod of 6 diameter 2.0mm, are cage shape after installation, are wrapped with the high reflecting material 22 of multilayer in thin frame structure 21.Coaxial impulse pipe refrigerating machine cold finger and the high temperature superconduction wave filter 20 required vacuum environment of working is at low temperatures provided by assemblies such as hot end heat exchanger 7, I-shaped Dewar 14, Dewar lids 18, three's structure is respectively as shown in Figure 10, Figure 11, Figure 12, be connected by screw respectively, and utilize sealing ring to seal.Wherein at Dewar lid 18 sidewalls, vacuum valve seat 26 being installed, is the interface that vacuumizes of Dewar, makes in Dewar vacuum keep 5.0 × 10 in the time of operation
-6below Pa.The coaxial cable 29 that the signal input of high temperature superconduction wave filter 20 utilizes coaxial with two ends-micro-belt lacing to be connected with output, be connected in the sealed electrical connector 30 of I-shaped Dewar 14 upper flange 61 end faces through the through hole 49 of cold screen 24 sidewalls of high reflection, thus to Dewar outward relevant instrument and equipment be connected.High temperature superconduction wave filter 20 signals transmit signals to automatically controlled and signal pickup assembly 10 by the signal transmssion line 13 and the signal transmssion line 15 that are connected with sealed electrical connector 30.Automatically controlled and signal pickup assembly 10 is installed on equipment box 9 left plates 50, by cable 11, compressor 1 is carried out to power supply signal input and control.Automatically controlled and signal pickup assembly 10 has outside power supply and signaling interface in equipment box 9 arranged outside.After high temperature superconduction wave filter 20 is coupled with the coaxial impulse pipe refrigerating machine being made up of assemblies such as compressor 1, connecting leg 2, hot end heat exchanger 7, regenerator 3, cold head 27, pulse tube 4, phase modulation apparatus 5 and air reservoirs 6, entirety is positioned in equipment box 9.The main part structure of equipment box 9 as shown in figure 13, lagging 12 and perpendicular baffle plate 31 are three parts by equipment box 9 spatial separations, fixing compressor 1 and automatically controlled and signal pickup assembly 10 are placed in lagging 12 belows, coaxial impulse pipe refrigerating machine cold finger is placed in lagging 12 tops, wherein being positioned at perpendicular baffle plate 31 right sides is the fixing of hot end heat exchanger 7 and phase modulation apparatus 5 and air reservoir 6, and being positioned at perpendicular baffle plate 31 left sides is high temperature superconduction wave filter 20 and vacuum dewar assembly.Compressor 1 is fixed on equipment box 9 base plates 51 by support 8, and is positioned on heat radiation support platform 36, can make the heat producing dispel the heat in running.As shown in figure 14, be positioned in the middle connecting leg 2 positions has rectangular slit pore 37 to lagging 12 structures, facilitates connecting leg 2 through being connected with hot end heat exchanger 7.Lagging 12 left sides have passage 52 to facilitate signal transmssion line 13 and signal transmssion line 15 to pass through.Coaxial impulse pipe refrigerating machine cold finger hot end heat exchanger 7 utilizes support 32 to be fixed on equipment box 9 base plates 51, and the below of its medium-height trestle 32 is positioned on lagging 12; As shown in figure 13, epipleural 53 medium positions of equipment box 9 leave fan installing hole 54, right plate 55 medium positions leave fence installing hole 56, be separately installed with fan 34 and fan fence 33 and fence 35, in the time that coaxial impulse pipe refrigerating machine moves, fan 34 is worked, and forms air flow passage between fan fence 33 and fence 35, the heat that can produce coaxial impulse pipe refrigerating machine dispels the heat at hot end heat exchanger 7 places, improves the operating efficiency of coaxial impulse pipe refrigerating machine.Perpendicular baffle plate 31 structures as shown in figure 15, be made up of two symmetrical baffle plate, there is half slot 59 at every baffle plate center, respectively has a slice annular clamping plate 58 in perpendicular baffle plate 31 both sides, after installing, form a circular port 60, I-shaped Dewar 14 sidewall 57 outsides are positioned on circular port 60 fixing.I-shaped Dewar 14 upper flanges 61 are positioned on the circular hole 62 of equipment box 9 left plates 50.The box cover of the equipment box as shown in Figure 16, Figure 17 9 63 and equipment box 9 left plate lids 64 are placed, make high temperature superconduction wave filter 20 and coaxial impulse pipe refrigerating machine overall package in equipment box 9.
The manufacture method of the coaxial impulse pipe refrigerating machine cooling high-temperature superconducting filter construction of inventing can be implemented as follows:
Coaxial impulse pipe refrigerating machine cold head 27 materials are high-purity oxygen-free copper, its structure as shown in Figure 3, at cold head 27 left side car centre bores 38, and finish turning centre bore 38 end faces, flatness 0.05mm, be 1.5mm through hole at centre bore 38 end face downside drill diameters, form vacuum passage 16, it act as in the time vacuumizing the air of cold head 27 centre bore 38 interior accumulations is extracted out; Thereby thermal conductive belt 23 middle deck 39 melting welding are connected in centre bore 38 end faces; Thermal conductive belt 23 structures as shown in Figure 4, are made up of 30 thick red copper foils for 0.2mm, and every red copper foil length is about 50mm, form several character form structures of entirety by bending, thermal conductive belt thermal conductivity is good, has elasticity, act as cold head 27 places' generation colds are passed to cold drawing 17; As shown in Figure 5, its central boss 41 external diameters are slightly less than cold head 27 centre bore 38 internal diameters to cold drawing 17 structures, and central boss 41 is inserted cold head 27 centre bores 38, is pressed on thermal conductive belt 23 two ends platforms 40, and thermal conductive belt 23 is compressed; Between cold drawing 17 and cold head 27, scribble appropriate heat-conducting silicone grease to strengthen heat conduction.
The end face shallow slot 42 that is 0.2mm in the cold drawing 17 left side car degree of depth, flatness is at 0.05mm, high temperature superconduction wave filter 20 is positioned on the indium sheet 19 with high thermal conductivity coefficient, indium sheet 19 is positioned in cold drawing 17 end face shallow slots 42, three connects by screw fastening, wherein on cold drawing 17 end face shallow slots 42, attacks the groove face screwed hole 44 that is useful on fixing high temperature superconduction wave filter 20, and indium sheet 19 has uniform through hole 43, as shown in Figure 6, thickness is 0.2mm to its structure; For adding heat-flash conduction, between high temperature superconduction wave filter 20, indium sheet 19 and cold drawing 17 end face shallow slots 42, scribble appropriate heat-conducting silicone grease.
The thermal loss causing for reducing heat radiation, is positioned over high temperature superconduction wave filter 20 in the cold screen 24 of high reflection; Cold screen 24 structures of high reflection as shown in Figure 7, made by the material with high reflectance, thickness is 1.0mm, manufacture method is, in the processing of blank polishing both surfaces, after Integral bending, cross section is several character form structures, and after the intersection of four sides bending arm utilizes Laser Welding to be welded as a whole, entirety is turned black, and after blackening process, its outer surface is carried out to mirror finish; Reflecting cold screen 24 base platforms at height has uniform through hole 45, is connected by screw protective shield of radiation 25 in cold drawing 17 end faces, and wherein cold drawing 17 end faces are to there being uniform screwed hole 46; Protective shield of radiation 25 structures as shown in Figure 8, are made up of the material with high reflectance, and integral thickness is 1.0mm, and at the uniform through hole 47 of its top car, for reducing conductive heat loss, its radiation proof wall 48 thickness are 0.5mm; Be wrapped with Multilayer single aluminized polyester film 28 at regenerator 3 and cold head 27 outer surfaces; Thin frame structure 21 is connected in I-shaped Dewar 14 upper flange 61 end faces, and structure as shown in Figure 9, is made up of the thin rod of 6 diameter 2.0mm, is connected as a single entity by silver soldering in intersection, is cage structure, is wrapped with the high reflecting material 22 of multilayer in thin frame structure 21.
The cryogenic vacuum environment that coaxial impulse pipe refrigerating machine cold finger and high temperature superconduction wave filter 20 are worked required is provided by assemblies such as hot end heat exchanger 7, I-shaped Dewar 14, Dewar lids 18.Wherein as shown in figure 10, finish turning the flatness of grinding hot end heat exchanger 7 flange 65 end faces, at 0.05mm, to fit tightly with I-shaped Dewar 14 lower flanges 66, and connect by screw hot end heat exchanger 7 structures, utilize O RunddichtringO to seal.As shown in figure 11, its lower flange 66 end faces make flatness at 0.05mm by finish turning grinding to the structure of I-shaped Dewar 14, fit tightly, and connect by screw with hot end heat exchanger 7 flange 65 end faces; Flange 61 end faces equally thereon, make flatness at 0.05mm by finish turning grinding, fit tightly when mounted, and use screw to connect with Dewar lid 18 flange faces, use O RunddichtringO to seal; At I-shaped Dewar 14 upper flanges 61, sealed electrical connector 30 is installed.The structure of Dewar lid 18 as shown in figure 12, makes Dewar lid 18 flange face flatnesses at 0.05mm by finish turning grinding, fits tightly when mounted, and use screw to connect with I-shaped Dewar 14 upper flange 61 end faces, uses O RunddichtringO to seal; Dewar lid 18 sides are provided with vacuum valve seat 26, and in the time of operation, vavuum pump vacuumizes from vacuum valve seat 26, make the interior vacuum keep of Dewar 5.0 × 10
-6below Pa; Dewar lid 18 can be for convenience detach, facilitates the installation of high temperature superconduction wave filter 20 and adjust when needed or change.
As shown in Figure 2, the coaxial cable 29 that high temperature superconduction wave filter 20 utilizes coaxial with two ends-micro-belt lacing to be connected, the sealed electrical connector 30 that is connected in I-shaped Dewar 14 upper flange 61 end faces through the through hole 49 of cold screen 24 sidewalls of high reflection, transmits signals to automatically controlled and signal pickup assembly 10 by the signal transmssion line 13 and the signal transmssion line 15 that are connected with sealed electrical connector 30 outsides.As shown in Figure 2, automatically controlled and signal pickup assembly 10 is installed on equipment box 9 left plates 50, by cable 11, compressor 1 is carried out to power supply signal input and control.Automatically controlled and signal pickup assembly 10 has power supply and signaling interface in equipment box arranged outside.
As shown in Figure 2, after the coaxial impulse pipe refrigerating machine coupling of high temperature superconduction wave filter 20 with assembly compositions such as compressor 1, connecting leg 2, hot end heat exchanger 7, regenerator 3, cold head 27, pulse tube 4, phase modulation apparatus 5 and air reservoirs 6, entirety is positioned in equipment box 9.The main part structure of equipment box 9 as shown in figure 13, lagging 12 and perpendicular baffle plate 31 are three parts by equipment box 9 spatial separations, wherein lagging 12 belows are placed the support 8 of fixing compressor 1 and are supported cooling platform 36, and the heat that can produce compressor 1 in running dispels the heat; Fixing coaxial pulse tube refrigerating machine cold finger is placed in lagging 12 tops, wherein perpendicular baffle plate 31 right sides utilize support 32 to provide fixing for hot end heat exchanger 7, phase modulation apparatus 5 and air reservoir 6, lagging 12 is played a supporting role to support 32, and perpendicular baffle plate 31 left sides utilize perpendicular baffle plate 31 and left plate 50 for moving temp. superconductive wave filter 20 and vacuum dewar assembly provides fixing.There is fan installing hole 54 epipleural 53 positions to the left, middle part of equipment box 9, and fence installing hole 56 is left in right plate 55 positions on the upper side, middle part, is separately installed with fan 34 and fan fence 33 and fence 35.In the time that coaxial impulse pipe refrigerating machine moves, fan 34 is worked, and forms air flow passage between fan fence 33 and fence 35, and to hot end heat exchanger, dispel the heat in 7 places, puies forward 0 refrigeration machine operating efficiency.As shown in figure 14, be positioned at connecting leg 2 positions has rectangular slit pore 37 to lagging 12 structures, can facilitate connecting leg 2 through being connected with hot end heat exchanger 7.Lagging 12 left sides have passage 52 to facilitate signal transmssion line 13 and signal transmssion line 15 to pass through.Perpendicular baffle plate 31 structures as shown in figure 13, are made up of two symmetric component, and there is half slot 59 at every baffle plate center, respectively have a slice annular clamping plate 58 in perpendicular baffle plate 31 both sides, after installing, form a circular port 60, can be used for regular worker's font Dewar 14.I-shaped Dewar 14 sidewall 57 outsides are positioned on circular port 60; I-shaped Dewar 14 upper flanges 61 are positioned on the circular hole 62 of equipment box 9 left plates 50.The box cover of the equipment box as shown in Figure 16, Figure 17 9 63 and equipment box 9 left plate lids 64 are placed, make high temperature superconduction wave filter 20 and coaxial impulse pipe refrigerating machine overall package in equipment box 9.
Claims (2)
1. the structure of a coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter, it is by hot end heat exchanger (7), cold head (27), thermal conductive belt (23), cold drawing (17), the cold screen of high reflection (24), protective shield of radiation (25), I-shaped Dewar (14), Dewar lid (18), thin frame structure (21), equipment box (9) composition, it is characterized in that: coaxial impulse pipe refrigerating machine pulse tube (4) inserts in regenerator (3) with one heart, compressor (1) is connected with coaxial impulse pipe refrigerating machine hot end heat exchanger (7) by connecting leg (2), jointly form coaxial impulse pipe refrigerating machine with phase modulating mechanism (5) and air reservoir (6), refrigeration working medium back and forth flows at refrigerating device inner, by the phase modulation effect of phase modulating mechanism (5) and air reservoir (6), locate to produce cold at cold head (27), there is centre bore (38) in cold head (27) left side, by melting welding, thermal conductive belt (23) middle deck (39) is connected with centre bore (38) end face, thermal conductive belt (23) has certain elasticity, is several character form structures, cold head (27) is located to produce cold and be passed to cold drawing (17), there is diameter 1.0～3.0mm vacuum passage (16) in cold head (27) centre bore (38) end face one side, act as and in the time vacuumizing, make the air of building up in cold head (27) centre bore (38) by discharging, cold drawing (17) central boss (41) is inserted cold head (27) centre bore (38), is pressed on thermal conductive belt (23) two ends platforms (40), between cold drawing (17) and cold head (27), scribble heat-conducting silicone grease.High temperature superconduction wave filter (20) lower surface is placed with the indium sheet (19) of high thermal conductivity coefficient, indium sheet (19) is positioned in cold drawing (17) end face shallow slot (42), three connects by screw fastening, wherein on indium sheet (19) and cold drawing (17) end face shallow slot (42), is useful on uniform through hole (43) and the groove face screwed hole (44) of fixing high temperature superconduction wave filter (20), between high temperature superconduction wave filter (20), indium sheet (19) and cold drawing (17), scribble heat-conducting silicone grease, high temperature superconduction wave filter (20) is positioned over the thermal loss causing to reduce heat radiation among the cold screen of high reflection (24), the cold screen of high reflection (24) is several character form structures, base platform has uniform through hole (45), connect protective shield of radiation (25) in cold drawing (17) end face by screw fastening, wherein there is uniform screwed hole (46) cold drawing (17) end face corresponding section, and uniform through hole (47) is arranged at protective shield of radiation (25) top, radiation proof wall (35) thickness is between 0.5～2.0mm, regenerator (3) and cold head (27) outer surface are wrapped with Multilayer single aluminized polyester film (28), thin frame structure (21) is connected in I-shaped Dewar (14) upper flange (61) end face, thin rod by 3～10 diameter 1.0～5.0mm forms, be cage structure, be wrapped with the high reflecting material of multilayer (22) in outside, hot end heat exchanger (7), I-shaped Dewar (14), Dewar lid (18) composition vacuum chamber, three is connected by screw, utilizes sealing ring to seal, Dewar lid (18) sidewall is provided with vacuum valve seat (26), the interface vacuumizing for Dewar, the coaxial cable (29) that the signal input of high temperature superconduction wave filter (20) utilizes coaxial with two ends-micro-belt lacing to be connected with output, through hole (49) through high reflection cold screen (24) sidewall is connected in the sealed electrical connector (30) of I-shaped Dewar (14) upper flange (61) end face, and transmits signals to automatically controlled and signal pickup assembly (10) by signal transmssion line (13) and signal transmssion line (15), automatically controlled and signal pickup assembly (10) is furnished with outside power supply and signaling interface in equipment box (9) outside, high temperature superconduction wave filter (20) is positioned over equipment box (9) with the rear entirety of coaxial impulse pipe refrigerating machine coupling, equipment box (9) is divided into three parts by lagging (12) and perpendicular baffle plate (31), fixing compressor (1) and automatically controlled and signal pickup assembly (10) are placed in lagging (12) below, coaxial impulse pipe refrigerating machine cold finger is placed in lagging (12) top, perpendicular baffle plate (31) right side is hot end heat exchanger (7) and phase modulation apparatus (5) and air reservoir (6), left side is high temperature superconduction wave filter (20) and vacuum dewar assembly, compressor (1) is fixed on equipment box (9) base plate (51) by support (8), and be positioned on heat radiation support platform (36), lagging (12) middle part is positioned at connecting leg (2) position rectangular slit pore (37), facilitates connecting leg (2) through being connected with hot end heat exchanger (7), left side has passage (52) to facilitate signal transmssion line (13) and signal transmssion line (15) to pass through, coaxial impulse pipe refrigerating machine cold finger hot end heat exchanger (7) utilizes support (32) to be fixed on equipment box (9) base plate (51), the below of support (32) is positioned on lagging (12), perpendicular baffle plate (31) is made up of two symmetrical baffle plate, there is half slot (59) at every baffle plate center, respectively there are a slice annular clamping plate (58) in perpendicular baffle plate (31) both sides, after installing, form circular port (60), it is upper fixing that I-shaped Dewar (14) is positioned over circular port (60), I-shaped Dewar (14) upper flange (61) is positioned on the circular hole (62) of equipment box (9) left plate (50), the box cover of equipment box (9) (63) and equipment box (9) left plate lid (64) are placed, make high temperature superconduction wave filter (20) and coaxial impulse pipe refrigerating machine overall package in equipment box (9), epipleural (53) medium position of equipment box (9) leaves fan installing hole (54), right plate (55) medium position leaves fence installing hole (56), be separately installed with fan (34) and fan fence (33) and fence (35), in the time that coaxial impulse pipe refrigerating machine moves, fan (34) work, and form air flow passage between fan fence (33) and fence (35), hot end heat exchanger (7) is located to dispel the heat, thereby jointly form a kind of structure of coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter.
2. the manufacture method of the structure of a coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter as claimed in claim 1, it is characterized in that: coaxial impulse pipe refrigerating machine cold head (27) adopts the good high-purity oxygenless copper material of heat conductivility to be made, at cold head (27) left side car centre bore (38), finish turning centre bore (38) end face, flatness is at 0.02～0.10mm, be 1.0～3.0mm through hole at centre bore (38) end face downside drill diameter, form vacuum passage (16); Thermal conductive belt (23) by 10～50 thick be that the red copper foil of 0.1～1.0mm forms, every red copper foil length is 10～100mm, forms several character form structures of entirety by bending; Thermal conductive belt (23) middle deck (39) melting welding is connected in centre bore (38) end face; Cold drawing (17) central boss (41) external diameter is slightly less than cold head (27) centre bore (38) internal diameter; Cold drawing (17) central boss (41) is inserted cold head (27) centre bore (38), be pressed on thermal conductive belt (23) two ends platforms (40), the end face shallow slot (42) that cold drawing (17) the left side car degree of depth is 0.1～1.0mm, flatness is at 0.02～0.10mm; High temperature superconduction wave filter (20) is positioned on the indium sheet (19) of thickness 0.1～1.0mm, indium sheet (19) is positioned in cold drawing (17) end face shallow slot (42), three connects by screw fastening, on cold drawing (17) end face shallow slot (42), attack groove face screwed hole (44), indium sheet (19) has uniform through hole (43); Between high temperature superconduction wave filter (20), indium sheet (19) and cold drawing (17) end face shallow slot (42), scribble appropriate heat-conducting silicone grease, high temperature superconduction wave filter (20) is positioned in the cold screen of high reflection (24); The cold screen of high reflection (24) is made up of the material with high reflectance, thickness 0.5～2.0mm, in the processing of blank polishing both surfaces, after Integral bending, cross section is several character form structures, after the intersection of four sides bending arm utilizes Laser Welding to be welded as a whole, entirety blackout is carried out mirror finish by its outer surface after blackening process; The uniform through hole of base platform truck (45), is connected by screw protective shield of radiation (25) in cold drawing (17) end face, at cold drawing (17) the uniform screwed hole of end face corresponding section car (46); Protective shield of radiation (25) is made up of the material with high reflectance, integral thickness between 0.5～2.0mm, at the uniform through hole of its top car (47), its radiation proof wall (48) thickness 0.5～2.0mm; Wrap up in Multilayer single aluminized polyester film (28) at regenerator (3) and cold head (27) outer surface; Thin frame structure (21) is made up of the thin rod of 3～10 diameter 1.0～5.0mm, be connected as a single entity by silver soldering in intersection, be cage structure, be installed on I-shaped Dewar (14) upper flange (61) face, thin frame structure (21) is wrapped with the high reflecting material of multilayer (22); Finish turning also grinds hot end heat exchanger (7) flange (65) end face, flatness is at 0.02～0.10mm, fit tightly with I-shaped Dewar (14) lower flange (66), connect by screw, utilize O RunddichtringO to seal; I-shaped Dewar (14) lower flange (66) end face makes flatness at 0.02～0.10mm by finish turning grinding, fits tightly with hot end heat exchanger (7) flange (65) end face, connects by screw; Finish turning also grinds its upper flange (61) end face, and flatness, at 0.02～0.10mm, fits tightly with Dewar lid (18) flange face, uses screw to connect, and uses O RunddichtringO to seal; I-shaped Dewar (14) upper flange (61) is installed sealed electrical connector (30), make Dewar lid 18 flange face flatnesses at 0.02～0.10mm by finish turning grinding, fit tightly with I-shaped Dewar (14) upper flange (61) end face, use screw to connect, use O RunddichtringO to seal; Vacuum valve seat (26) is installed in Dewar lid (18) side; The coaxial cable (29) that high temperature superconduction wave filter (20) utilizes coaxial with two ends-micro-belt lacing to be connected, through through hole (49) connecting sealing electric connector (30) of high reflection cold screen (24) sidewall, transmit signals to automatically controlled and signal pickup assembly (10) by signal transmssion line (13) and signal transmssion line (15); Automatically controlled and signal pickup assembly (10) is installed on equipment box (9) left plate (50), after high temperature superconduction wave filter (20) is coupled with coaxial impulse pipe refrigerating machine, entirety is positioned over equipment box (9), equipment box (9) is divided into three parts by lagging (12) and perpendicular baffle plate (31), and lagging (12) below is placed fixing compressor (1) support (8) and supported cooling platform (36); Fixing coaxial pulse tube refrigerating machine cold finger is placed in lagging (12) top, it is that hot end heat exchanger (7), phase modulation apparatus (5) and air reservoir (6) provide fixing that perpendicular baffle plate (31) right side utilizes support (32), lagging (12) is played a supporting role to support (32), and left side utilizes perpendicular baffle plate (31) and left plate (50) to provide fixing for high temperature superconduction wave filter (20) and vacuum dewar assembly; There is fan installing hole (54) position to the left, equipment box (9) epipleural (53) middle part, fence installing hole (56) is left in position on the upper side, right plate (55) middle part, provided with fan (34) and fan fence (33) and fence (35) respectively, lagging (12) connecting leg (2) is located vehicle commander side's slit pore (37), make connecting leg (2) through being connected with hot end heat exchanger (7), lagging (12) left side vehicle passage (52) facilitates signal transmssion line (13) and signal transmssion line (15) to pass through; Perpendicular baffle plate (31) is made up of two symmetric component, and there is half slot (59) at every baffle plate center, and respectively there are a slice annular clamping plate (58) both sides, after installing, forms circular port (60); I-shaped Dewar (14) sidewall (57) is positioned on the circular port (60) of perpendicular baffle plate (31); I-shaped Dewar (14) upper flange (61) is positioned on the circular hole (62) of equipment box (9) left plate (50), equipment box (9) box cover (63) and left plate lid (64) are placed, by high temperature superconduction wave filter (20) and coaxial impulse pipe refrigerating machine overall package in equipment box (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410403501.4A CN104154671A (en) | 2014-08-15 | 2014-08-15 | Structure of coaxial pulse tube refrigerator for cooling high-temperature superconductivity filter and manufacturing method thereof |
| CN201410748374.1A CN104534720B (en) | 2014-08-15 | 2014-12-09 | The structure and manufacture method of coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter |
| CN201420770613.9U CN204513837U (en) | 2014-08-15 | 2014-12-09 | The structure of coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter |
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| CN201410403501.4A CN104154671A (en) | 2014-08-15 | 2014-08-15 | Structure of coaxial pulse tube refrigerator for cooling high-temperature superconductivity filter and manufacturing method thereof |
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| CN201410748374.1A Active CN104534720B (en) | 2014-08-15 | 2014-12-09 | The structure and manufacture method of coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter |
| CN201420770613.9U Expired - Fee Related CN204513837U (en) | 2014-08-15 | 2014-12-09 | The structure of coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter |
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| CN201420770613.9U Expired - Fee Related CN204513837U (en) | 2014-08-15 | 2014-12-09 | The structure of coaxial impulse pipe refrigerating machine cooling high-temperature superconducting wave filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104457009A (en) * | 2014-11-27 | 2015-03-25 | 中科力函（深圳）低温技术有限公司 | Low-temperature pulse tube refrigerator adopting mixed structure |
| CN105337585A (en) * | 2015-11-30 | 2016-02-17 | 中国科学院国家天文台 | Ultralow-loss refrigeration high-pass filter |
| CN106441401A (en) * | 2016-08-31 | 2017-02-22 | 武汉高芯科技有限公司 | Detachable integrated temperature changing testing Dewar and assembly thereof |
| CN107511549A (en) * | 2017-09-04 | 2017-12-26 | 中国电子科技集团公司第十研究所 | A kind of compound cold bench and its manufacture method |
| CN114497931A (en) * | 2020-10-28 | 2022-05-13 | 中国科学院理化技术研究所 | High temperature superconducting filter system |
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| CN104154671A (en) * | 2014-08-15 | 2014-11-19 | 中国科学院上海技术物理研究所 | Structure of coaxial pulse tube refrigerator for cooling high-temperature superconductivity filter and manufacturing method thereof |
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| JP3577661B2 (en) * | 1999-09-29 | 2004-10-13 | 住友重機械工業株式会社 | Pulse tube refrigerator |
| CN1206490C (en) * | 2002-07-22 | 2005-06-15 | 中国科学院理化技术研究所 | Two-stage coaxial pulse tube refrigerator for cooling high-temperature superconducting filter |
| CN2884056Y (en) * | 2005-12-20 | 2007-03-28 | 中国科学院理化技术研究所 | Two-stage pulse tube refrigerating device with coaxially arranged cold accumulator |
| CN103245121B (en) * | 2013-04-26 | 2015-02-18 | 中国科学院上海技术物理研究所 | Cold-end flexible cold chain structure of coaxial pulse tube refrigerator and manufacturing method |
| CN203771765U (en) * | 2014-01-17 | 2014-08-13 | 中国科学院上海技术物理研究所 | Compact coupled inertia tube type high-frequency coaxial pulse tube refrigerating machine |
| CN104154671A (en) * | 2014-08-15 | 2014-11-19 | 中国科学院上海技术物理研究所 | Structure of coaxial pulse tube refrigerator for cooling high-temperature superconductivity filter and manufacturing method thereof |
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2014
- 2014-08-15 CN CN201410403501.4A patent/CN104154671A/en active Pending
- 2014-12-09 CN CN201410748374.1A patent/CN104534720B/en active Active
- 2014-12-09 CN CN201420770613.9U patent/CN204513837U/en not_active Expired - Fee Related
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| CN104457009A (en) * | 2014-11-27 | 2015-03-25 | 中科力函（深圳）低温技术有限公司 | Low-temperature pulse tube refrigerator adopting mixed structure |
| CN105337585A (en) * | 2015-11-30 | 2016-02-17 | 中国科学院国家天文台 | Ultralow-loss refrigeration high-pass filter |
| CN105337585B (en) * | 2015-11-30 | 2017-11-21 | 中国科学院国家天文台 | A kind of ultra-low loss refrigeration high-pass filter |
| CN106441401A (en) * | 2016-08-31 | 2017-02-22 | 武汉高芯科技有限公司 | Detachable integrated temperature changing testing Dewar and assembly thereof |
| CN107511549A (en) * | 2017-09-04 | 2017-12-26 | 中国电子科技集团公司第十研究所 | A kind of compound cold bench and its manufacture method |
| CN114497931A (en) * | 2020-10-28 | 2022-05-13 | 中国科学院理化技术研究所 | High temperature superconducting filter system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104534720A (en) | 2015-04-22 |
| CN204513837U (en) | 2015-07-29 |
| CN104534720B (en) | 2017-06-27 |
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Application publication date: 20141119 |