CN203533954U - Compact type structure of coaxial pulse tube refrigerator and infrared device - Google Patents
Compact type structure of coaxial pulse tube refrigerator and infrared device Download PDFInfo
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- CN203533954U CN203533954U CN201320361107.XU CN201320361107U CN203533954U CN 203533954 U CN203533954 U CN 203533954U CN 201320361107 U CN201320361107 U CN 201320361107U CN 203533954 U CN203533954 U CN 203533954U
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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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/14—Compression machines, plants or systems characterised by the cycle used
- F25B2309/1406—Pulse-tube cycles with pulse tube in co-axial or concentric geometrical arrangements
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Abstract
The patent discloses a compact type structure of a coaxial pulse tube refrigerator and an infrared device. The compact type structure comprises a main base, a compressor, a connection pipe, a phase modulation mechanism, a T-typed heat dissipation support platform, a main heat exchanger, a secondary heat exchanger, a regenerator, a pulse pipe, a cold end heat exchanger, the infrared device, a cold shield, a device dewar and a dewar window. The compact type structure of the coaxial pulse tube refrigerator and the infrared device has following beneficial effects: structural advantages of the coaxial pulse tube refrigerator can be brought into full play; compactness and high reliability of an overall system are achieved; and the compact type structure is of very positive significance of practical cooling operation carried out to the infrared device by the coaxial pulse tube refrigerator.
Description
Technical field
This patent belongs to refrigeration and cryogenic engineering field, relates to vascular refrigerator, particularly the coupled structure of a kind of coaxial pulse-tube refrigerator and infrared device.
Background technology
Vascular refrigerator is to regenerating type low-temperature refrigerator significant innovation, it has cancelled the cold junction displacer being widely used in conventional regenerating type low-temperature refrigerator (as Stirling and G-M refrigeration machine), and realizes the required phase difference of refrigeration with the running of hot junction phase modulating mechanism.Fully phasing out of cold junction moving component, has realized the low vibration of cold junction, low interference and without wearing and tearing; And through the important improvement on structure and pm mode, at some typical warm areas, its actual efficiency has also reached the peak in regenerating type low-temperature refrigerator.These remarkable advantages make vascular refrigerator become a big hot topic of low temperature mechanical refrigerator research over more than 20 years, at aspects such as Aero-Space, low-temperature electronics, superconduction industry and cryosurgery industry, all obtain a wide range of applications.
Different from the correlation of regenerator according to vascular, vascular refrigerator can be divided into following three kinds of exemplary configurations modes, and as shown in Figure 1: wherein (1) is U-shaped, (2) are coaxial type, and (3) are linear pattern.As seen from Figure 1, three class vascular refrigerators are all mainly comprised of compressor, connecting leg, regenerator hot end heat exchanger, regenerator, cold head, vascular, vascular hot-side heat exchanger and phase modulating mechanism, wherein cold head is the application end of vascular refrigerator, with the device coupling that is cooled.In linear pattern layout, vascular and regenerator are in a straight line; U-shaped layout refers to that vascular and regenerator are arranged in parallel, and the cold junction of vascular and regenerator is connected by pipeline; Coaxial type is arranged and is referred to that vascular and regenerator are arranged together with one heart.
As seen from Figure 1, in three kinds of exemplary configurations modes of vascular refrigerator, the structure of coaxial type is the compactest, its low-temperature end is directly outstanding, form a vertical cold finger, quite similar with the cold finger of sterlin refrigerator that once obtained extensive use, thereby can directly adopt ripe plug-in type Dewar, cold head application end and device coupling are very convenient, and can directly use for reference ripe technology.So, when the development of technology makes vascular refrigerator become other conventional regenerating type low-temperature refrigerator as the Regeneration variety of Stirling-electric hybrid, just co-axial pulse tube refrigerator obtains application widely in practice at first.Recent 20 years comes, and cooling to low temperature infrared device becomes vascular refrigerator in the maximum application of space industry.Thereby performance co-axial pulse tube refrigerator and the device feature easily that is coupled, makes it to form compact, coupled structure reliably, just becomes one of focus of related application field concern.
As seen from Figure 1, coaxial pulse-tube refrigerator can roughly be divided into four parts, i.e. compressor, connecting leg, co-axial pulse tube cold finger (being mainly comprised of regenerator hot end heat exchanger, regenerator, cold head, vascular, vascular hot-side heat exchanger) and phase modulating mechanism (can be the assembly between aperture, valve, nozzle, inertia tube, air reservoir or above-mentioned different parts).The coupling task of coaxial pulse-tube refrigerator and infrared device, is how effectively to organize this four major part, thereby forms compactness, reliable, efficient coupled structure with infrared device.
Summary of the invention
This patent proposes the close-coupled coupled structure of a kind of coaxial pulse-tube refrigerator and infrared device.
Structure of the present invention is comprised of main basal base 1, compressor 2, connecting leg 3, phase modulating mechanism 4, T-shaped heat radiation support platform 5, main heat exchanger 6, inferior heat exchanger 7, regenerator 8, pulse tube 9, cool end heat exchanger 10, infrared device 11, cold screen 12, device Dewar 13 and dewar window 14.Main basal base 1, as the supporting base of whole coupled structure, serves as the radiator structure of compressor 2 and phase modulating mechanism 4 simultaneously; Compressor 2 adopts double-piston opposed formula structure; At the upper surface of compressor 2, T-shaped heat radiation support platform 5 is installed, as the main radiator structure in coaxial pulse-tube refrigerator hot junction, main heat exchanger 6 is carried out to vertical support simultaneously; Within inferior heat exchanger 7 inserts main heat exchanger 6 with one heart from bottom and be welded to connect; One end of connecting leg 3 is connected with the outlet of compressor 2 by the through hole 18 of T-shaped heat radiation support platform 5, and the other end of connecting leg 3 is connected with main heat exchanger 6, and is communicated with regenerator 8 by the annular gap 15 of formation between main heat exchanger 6 and time heat exchanger 7; Pulse tube 9 inserts among regenerator 8 with one heart; The upper end of regenerator 8 and pulse tube 9 is inserted with one heart in cool end heat exchanger 10 and is connected, and lower end is inserted respectively in main heat exchanger 6 and inferior heat exchanger 7 and connected; The entrance point of phase modulating mechanism 4 is connected with time heat exchanger 7, and is communicated with pulse tube 9 by the infundibulate duct 16 in time heat exchanger 7, and the end of phase modulating mechanism 4 is fixed on main basal base 1; Compressor 2, connecting leg 3, phase modulating mechanism 4, main heat exchanger 6, inferior heat exchanger 7, regenerator 8, pulse tube 9 and cool end heat exchanger 10 have formed a coaxial pulse-tube refrigerator jointly; On the cold platform 24 of cool end heat exchanger 10, place infrared device to be cooled 11; Cold screen 12 is set on cool end heat exchanger 10 and infrared device 11, and cold screen 12 upper openings are over against dewar window 14; The device Dewar 13 of main heat exchanger 6 and upper setting thereof covers in regenerator 8, cool end heat exchanger 10, infrared device 11 and cold screen 12 wherein; The upper surface of the lower surface of device Dewar 13 and main heat exchanger 6 is tightly connected.Thereby jointly form the close-coupled coupled structure of a kind of co-axial pulse tube refrigerator and infrared device.
Below in conjunction with accompanying drawing, the manufacture method of the close-coupled coupled structure of invented coaxial pulse-tube refrigerator and infrared device is described as follows:
As shown in Figure 2, the fine aluminium flat panel production that main basal base 1 is 20～40mm by thickness forms, the flatness of dull and stereotyped upper and lower surface is all used fine turning lathe, milling machine and grinding machine processing to guarantee between 1.0～5.0 μ m, dull and stereotyped horizontal positioned, whole coupled structure is carried out to vertical support, serve as the radiator structure of compressor 2 and phase modulating mechanism 4 simultaneously.
As shown in Figure 2, a T-shaped heat radiation support platform 5 of being made by high heat conduction aluminium is installed on compressor 2.As shown in Figure 3, support platform 5 is by being positioned at the supporting seat 19 of bottom and the supporting plane 17 on top forms, center processes through hole 18, the lower surface of supporting seat 19 and compressor upper surface are welded and fixed, the upper surface of supporting plane 17 is used fine turning lathe, milling machine and grinding machine processing to guarantee that flatness is between 2.0～3.0 μ m, and and main basal base 1 between the depth of parallelism remain between 1.0～2.0 μ m.
As shown in Fig. 2, Fig. 4 and Fig. 5, connecting leg 3 adopts the pure copper tube of internal diameter 2.0～6.0mm to be made, the through hole 18 of its one end and T-shaped heat radiation support platform 5 adopts Vacuum Soldering Technology to be welded to connect, the other end is drawn from the left through slot 21 of main heat exchanger 6 bottoms, and adopt Vacuum Soldering Technology to be welded on main heat exchanger 6, be communicated with the annular gap 15 forming between main heat exchanger 6 and inferior heat exchanger 7.
As shown in Fig. 2, Fig. 4 and Fig. 5, phase modulating mechanism 4 can be the assembly between aperture, valve, nozzle, inertia tube, air reservoir or above-mentioned different parts, its entrance point is used Vacuum Soldering Technology to weld together with time heat exchanger 7, then through the right through slot 20 of main heat exchanger 6 bottoms, draw, end is used bolt to be fixed on main basal base 1.
As shown in Figure 4, Figure 5 and Figure 6, main heat exchanger 6 and time heat exchanger 7 all adopt high-purity oxygenless copper material of high heat conduction to make, wherein the inner slow wire feeding line cutting technology that uses of main heat exchanger 6 is processed into a hollow structure, inferior heat exchanger 7 inserts in main heat exchanger 6 with one heart from bottom, and the joint face between the two is used Vacuum Soldering Technology welding.In inferior heat exchanger 7, process infundibulate duct 16, the funnel opening internal diameter in infundibulate duct 16 is identical with the external diameter of pulse tube 9, by infundibulate duct 16, realizes being communicated with between phase modulating mechanism 4 and pulse tube 9.Between main heat exchanger 6 and inferior heat exchanger 7, form annular gap 15, connecting leg 3 is communicated with regenerator 8 by annular gap 15.
As shown in Figure 2, fit closely in the upper surface of the lower surface of main heat exchanger 6 and T-shaped heat radiation support platform 5, uses bolt to connect between the two; Within main heat exchanger 6 and time heat exchanger 6 are inserted with one heart from top respectively in the lower end of regenerator 8 and pulse tube 9, insertion depth all remains between 1.0～2.0mm, and the contact-making surface that inserts position is all used Vacuum Soldering Technology welding.
As shown in Figure 7, cool end heat exchanger 10 adopts the oxygenless copper material of high heat conduction to make, the inner slow wire feeding line cutting technology that uses evenly cuts out slit, inner slit walls forms groove 22, on slit, form welding anchor ring 23, on welding anchor ring 23, use fine turning lathe, milling machine and grinding machine to process the cold platform 24 of a flatness between 1.0～2.0 μ m.
As shown in Figure 8, within regenerator 8 and pulse tube 9 insert cool end heat exchanger 10 with one heart, wherein the tube wall of regenerator 8 adopts Vacuum Soldering Technology welding with the contact-making surface of welding anchor ring 23, pulse tube 9 inserts in groove 22, insertion depth remains between 1.0～2.0mm, the outer wall of pulse tube 9 and inwall contact-making surface adopt the method close-fitting of interference fit, the magnitude of interference be the external diameter of pulse tube 9 surpass groove 22 internal diameter between 0.02～0.04mm.
As shown in Figure 2, on the cold platform 24 of cool end heat exchanger 10, place infrared device to be cooled 11.The cold screen 12 that a wall thickness is 1.0～2.0mm is set on cool end heat exchanger 10 and infrared device 11, and its lower end is used screw to be fixed on cold platform 24, and it is 5.0～15.0mm circular window that a diameter is opened on top, over against dewar window 14.With bolts and " O " type seal with elastometic washer in the upper surface of the lower surface of device Dewar 13 and main heat exchanger 6, keeps being better than 1.0 * 10 at the interior use vacuum molecular pump of device Dewar 13
-5the vacuum of Pa.
Feature of the present invention is; use the coupled structure of this invention can give full play to the structural advantages of coaxial pulse-tube refrigerator; realize the compactedness of total system and highly reliable, coaxial pulse-tube refrigerator is had to very positive meaning aspect cooling infrared device practical.
Accompanying drawing explanation
Fig. 1 is three kinds of exemplary configurations mode schematic diagrames of vascular refrigerator; Wherein Fig. 1 (1) is U-shaped arrangement figure, and Fig. 1 (2) is coaxially arranged mode figure, and Fig. 1 (3) is straight line mode figure.Wherein: 25 is compressor; 26 is connecting leg; 27 is regenerator hot end heat exchanger; 28 is regenerator; 29 is cold head; 30 is vascular; 31 is vascular hot-side heat exchanger; 32 is phase modulating mechanism.
Fig. 2 is the cutaway view of the close-coupled coupled structure of institute's invention coaxial pulse-tube refrigerator and infrared device; Wherein: 1 is main basal base; 2 is compressor; 3 is connecting leg; 4 is phase modulating mechanism; 5 is T-shaped heat radiation support platform; 6 is main heat exchanger; 7 is time heat exchanger; 8 is regenerator; 9 is pulse tube; 10 is cool end heat exchanger; 11 is infrared device; 12 is cold screen; 13 is device Dewar; 14 is dewar window.
Fig. 3 is the cutaway view of T-shaped heat radiation support platform 5; Wherein: 17 is supporting plane; 18 is through hole; 19 is supporting seat.
Fig. 4 is the schematic diagram of main heat exchanger 6, and wherein Fig. 4 (1) is the cutaway view of main heat exchanger 6, and Fig. 4 (2) is the stereogram of main heat exchanger 6.Wherein: 20 is right through slot; 21 is left through slot.
Fig. 5 is the cutaway view of time heat exchanger 7; Wherein: 16 is infundibulate duct.
Fig. 6 is main heat exchanger 6 and time heat exchanger 7 assembled sectional views; Wherein: 15 is annular gap.
Fig. 7 is the stereogram of cool end heat exchanger 10; Wherein: 22 is groove; 23 is welding anchor ring; 24 is cold platform.
Fig. 8 is the local amplification view that regenerator 8 and pulse tube 9 insert cool end heat exchanger 10; Wherein: 8 is regenerator; 9 is pulse tube; 10 is cool end heat exchanger.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail:
The close-coupled coupled structure of the coaxial pulse-tube refrigerator of inventing and infrared device is comprised of main basal base 1, compressor 2, connecting leg 3, phase modulating mechanism 4, T-shaped heat radiation support platform 5, main heat exchanger 6, inferior heat exchanger 7, regenerator 8, pulse tube 9, cool end heat exchanger 10, infrared device 11, cold screen 12, device Dewar 13 and dewar window 14.Main basal base 1, as the supporting base of whole coupled structure, serves as the radiator structure of compressor 2 and phase modulating mechanism 4 simultaneously; Compressor 2 adopts double-piston opposed formula structure; At the upper surface of compressor 2, T-shaped heat radiation support platform 5 is installed, as the main radiator structure in coaxial pulse-tube refrigerator hot junction, main heat exchanger 6 is carried out to vertical support simultaneously; Within inferior heat exchanger 7 inserts main heat exchanger 6 with one heart from bottom and be welded to connect; One end of connecting leg 3 is connected with the outlet of compressor 2 by the through hole 18 of T-shaped heat radiation support platform 5, and the other end of connecting leg 3 is connected with main heat exchanger 6, and is communicated with regenerator 8 by the annular gap 15 of formation between main heat exchanger 6 and time heat exchanger 7; Pulse tube 9 inserts among regenerator 8 with one heart; The upper end of regenerator 8 and pulse tube 9 is inserted with one heart in cool end heat exchanger 10 and is connected, and lower end is inserted respectively in main heat exchanger 6 and inferior heat exchanger 7 and connected; The entrance point of phase modulating mechanism 4 is connected with time heat exchanger 7, and is communicated with pulse tube 9 by the infundibulate duct 16 in time heat exchanger 7, and the end of phase modulating mechanism 4 is fixed on main basal base 1; Compressor 2, connecting leg 3, phase modulating mechanism 4, main heat exchanger 6, inferior heat exchanger 7, regenerator 8, pulse tube 9 and cool end heat exchanger 10 have formed a coaxial pulse-tube refrigerator jointly; On the cold platform 24 of cool end heat exchanger 10, place infrared device to be cooled 11; Cold screen 12 is set on cool end heat exchanger 10 and infrared device 11, and cold screen 12 upper openings are over against dewar window 14; The device Dewar 13 of main heat exchanger 6 and upper setting thereof covers in regenerator 8, cool end heat exchanger 10, infrared device 11 and cold screen 12 wherein; The upper surface of the lower surface of device Dewar 13 and main heat exchanger 6 is tightly connected.Thereby jointly form the close-coupled coupled structure of a kind of co-axial pulse tube refrigerator and infrared device.
The manufacture method of the close-coupled coupled structure of the coaxial pulse-tube refrigerator of inventing and infrared device can be implemented as follows:
As shown in Figure 2, the fine aluminium flat panel production that main basal base 1 is 30mm by thickness forms, the flatness of dull and stereotyped upper and lower surface is all used fine turning lathe, milling machine and grinding machine processing to guarantee to be between 2.0 μ m, dull and stereotyped horizontal positioned, whole coupled structure is carried out to vertical support, serve as the radiator structure of compressor 2 and phase modulating mechanism 4 simultaneously.
As shown in Figure 2, a T-shaped heat radiation support platform 5 of being made by high heat conduction aluminium is installed on compressor 2.As shown in Figure 3, support platform 5 is by being positioned at the supporting seat 19 of bottom and the supporting plane 17 on top forms, center processes through hole 18, the lower surface of supporting seat 19 and compressor upper surface are welded and fixed, the upper surface of supporting plane 17 use fine turning lathe, milling machine and grinding machine processing guarantee flatness be 2.5 μ m, and main basal base 1 between the depth of parallelism be 1.5 μ m.
As shown in Fig. 2, Fig. 4 and Fig. 5, connecting leg 3 adopts the pure copper tube of internal diameter 3.0mm to be made, the through hole 18 of its one end and T-shaped heat radiation support platform 5 adopts Vacuum Soldering Technology to be welded to connect, the other end is drawn from the left through slot 21 of main heat exchanger 6 bottoms, and adopt Vacuum Soldering Technology to be welded on main heat exchanger 6, be communicated with the annular gap 15 forming between main heat exchanger 6 and inferior heat exchanger 7.
As shown in Fig. 2, Fig. 4 and Fig. 5, phase modulating mechanism 4 can be the assembly between aperture, valve, nozzle, inertia tube, air reservoir or above-mentioned different parts, its entrance point is used Vacuum Soldering Technology to weld together with time heat exchanger 7, then through the right through slot 20 of main heat exchanger 6 bottoms, draw, end is used bolt to be fixed on main basal base 1.
As shown in Figure 4, Figure 5 and Figure 6, main heat exchanger 6 and time heat exchanger 7 all adopt high-purity oxygenless copper material of high heat conduction to make, wherein the inner slow wire feeding line cutting technology that uses of main heat exchanger 6 is processed into a hollow structure, inferior heat exchanger 7 inserts in main heat exchanger 6 with one heart from bottom, and the joint face between the two is used Vacuum Soldering Technology welding.In inferior heat exchanger 7, process infundibulate duct 16, the funnel opening internal diameter in infundibulate duct 16 is identical with the external diameter of pulse tube 9, by infundibulate duct 16, realizes being communicated with between phase modulating mechanism 4 and pulse tube 9.Between main heat exchanger 6 and inferior heat exchanger 7, form annular gap 15, connecting leg 3 is communicated with regenerator 8 by annular gap 15.
As shown in Figure 2, fit closely in the upper surface of the lower surface of main heat exchanger 6 and T-shaped heat radiation support platform 5, uses bolt to connect between the two; Within main heat exchanger 6 and time heat exchanger 6 are inserted with one heart from top respectively in the lower end of regenerator 8 and pulse tube 9, insertion depth is 1.5mm, and the contact-making surface that inserts position is all used Vacuum Soldering Technology welding.
As shown in Figure 7, cool end heat exchanger 10 adopts the oxygenless copper material of high heat conduction to make, the inner slow wire feeding line cutting technology that uses evenly cuts out slit, inner slit walls forms groove 22, on slit, form welding anchor ring 23, on welding anchor ring 23, use fine turning lathe, milling machine and grinding machine to process the cold platform 24 that a flatness is 1.5 μ m.
As shown in Figure 8, within regenerator 8 and pulse tube 9 insert cool end heat exchanger 10 with one heart, wherein the tube wall of regenerator 8 adopts Vacuum Soldering Technology welding with the contact-making surface of welding anchor ring 23, pulse tube 9 inserts in groove 22, insertion depth is 1.5mm, the outer wall of pulse tube 9 and inwall contact-making surface adopt the method close-fitting of interference fit, the magnitude of interference is the internal diameter 0.03mm that the external diameter of pulse tube 9 surpasses groove 22.
As shown in Figure 2, on the cold platform 24 of cool end heat exchanger 10, place infrared device to be cooled 11.The cold screen 12 that a wall thickness is 1.5mm is set on cool end heat exchanger 10 and infrared device 11, and its lower end is used screw to be fixed on cold platform 24, and it is 8.0mm circular window that a diameter is opened on top, over against dewar window 14.With bolts and " O " type seal with elastometic washer in the upper surface of the lower surface of device Dewar 13 and main heat exchanger 6, keeps being better than 1.0 * 10 at the interior use vacuum molecular pump of device Dewar 13
-5the vacuum of Pa.
Claims (1)
1. the close-coupled coupled structure of a coaxial pulse-tube refrigerator and infrared device, by main basal base (1), compressor (2), connecting leg (3), phase modulating mechanism (4), T-shaped heat radiation support platform (5), main heat exchanger (6), inferior heat exchanger (7), regenerator (8), pulse tube (9), cool end heat exchanger (10), infrared device (11), cold screen (12), device Dewar (13) and dewar window (14) form, it is characterized in that, main basal base (1) is as the supporting base of whole coupled structure, the radiator structure that simultaneously serves as compressor (2) and phase modulating mechanism (4), compressor (2) adopts double-piston opposed formula structure, at the upper surface of compressor (2), T-shaped heat radiation support platform (5) is installed, as the main radiator structure in coaxial pulse-tube refrigerator hot junction, main heat exchanger (6) is carried out to vertical support simultaneously, within inferior heat exchanger (7) inserts main heat exchanger (6) with one heart from bottom and be welded to connect, one end of connecting leg (3) is connected with the outlet of compressor (2) by the through hole (18) of T-shaped heat radiation support platform (5), the other end of connecting leg (3) is connected with main heat exchanger (6), and is communicated with regenerator (8) by the annular gap (15) of formation between main heat exchanger (6) and time heat exchanger (7), pulse tube (9) inserts among regenerator (8) with one heart, regenerator (8) is also connected in inserting with one heart cool end heat exchanger (10) with the upper end of pulse tube (9), and lower end is inserted respectively in main heat exchanger (6) and inferior heat exchanger (7) and connected, the entrance point of phase modulating mechanism (4) is connected with time heat exchanger (7), and is communicated with pulse tube (9) by the infundibulate duct (16) in time heat exchanger (7), and the end of phase modulating mechanism (4) is fixed on main basal base (1), compressor (2), connecting leg (3), phase modulating mechanism (4), main heat exchanger (6), inferior heat exchanger (7), regenerator (8), pulse tube (9) and cool end heat exchanger (10) have formed a coaxial pulse-tube refrigerator jointly, the upper placement of cold platform (24) infrared device (11) to be cooled in cool end heat exchanger (10), on cool end heat exchanger (10) and infrared device (11), cold screen (12) is set, cold screen (12) upper opening is over against dewar window (14), the device Dewar (13) of main heat exchanger (6) and upper setting thereof covers in regenerator (8), cool end heat exchanger (10), infrared device (11) and cold screen (12) wherein, the upper surface of the lower surface of device Dewar (13) and main heat exchanger (6) is tightly connected, thereby jointly forms the close-coupled coupled structure of a kind of coaxial pulse-tube refrigerator and infrared device.
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| CN201320361107.XU CN203533954U (en) | 2013-06-21 | 2013-06-21 | Compact type structure of coaxial pulse tube refrigerator and infrared device |
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| CN201320361107.XU CN203533954U (en) | 2013-06-21 | 2013-06-21 | Compact type structure of coaxial pulse tube refrigerator and infrared device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307798A (en) * | 2013-06-21 | 2013-09-18 | 中国科学院上海技术物理研究所 | Coaxial pulse tube refrigerator and infrared device compact coupled structure and manufacturing method |
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2013
- 2013-06-21 CN CN201320361107.XU patent/CN203533954U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307798A (en) * | 2013-06-21 | 2013-09-18 | 中国科学院上海技术物理研究所 | Coaxial pulse tube refrigerator and infrared device compact coupled structure and manufacturing method |
| CN103307798B (en) * | 2013-06-21 | 2015-02-18 | 中国科学院上海技术物理研究所 | Coaxial pulse tube refrigerator and infrared device compact coupled structure and manufacturing method |
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