CN103759454B - The close-coupled coupled structure of U-shaped vascular refrigerator and infrared device and manufacture method - Google Patents
The close-coupled coupled structure of U-shaped vascular refrigerator and infrared device and manufacture method Download PDFInfo
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- CN103759454B CN103759454B CN201410021033.4A CN201410021033A CN103759454B CN 103759454 B CN103759454 B CN 103759454B CN 201410021033 A CN201410021033 A CN 201410021033A CN 103759454 B CN103759454 B CN 103759454B
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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
Abstract
The invention discloses close-coupled coupled structure and the manufacture method of a kind of U-shaped vascular refrigerator and infrared device, this structure is made up of main basal base, compressor, connecting leg, phase modulating mechanism, T-shaped heat radiation support platform, main heat exchanger, secondary heat exchanger, regenerator, pulse tube, cool end heat exchanger, infrared device, cold screen, device Dewar and dewar window.The coupled structure of this invention fully can adapt to the design feature of U-shaped vascular refrigerator, realizes integrally-built compactedness and highly reliable, to U-shaped vascular refrigerator cooling infrared device practical in there is very positive meaning.
Description
Technical field
The invention belongs to refrigeration & cryogenic engineering field, relate to vascular refrigerator, particularly the coupled structure of a kind of U-shaped vascular refrigerator and infrared device and manufacture method.
Background technology
Vascular refrigerator is a significant innovation to regenerating type low-temperature refrigerator, which eliminate the cold junction displacer be widely used in conventional regenerating type low-temperature refrigerator (as Stirling and G-M refrigeration machine), and realize the phase difference needed for refrigeration with the running of hot junction phase modulating mechanism.Fully phasing out of cold junction moving component, achieves the low vibration of cold junction, low interference and without wearing and tearing; And the important improvement in 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 cryogenic mechanical refrigeration machine research over more than 20 years, all obtain a wide range of applications in Aero-Space, low-temperature electronics, superconduction industry and cryosurgery industry etc.
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 for U-shaped, (2) are coaxial type, and (3) are linear pattern.As seen from Figure 1, three class vascular refrigerators all form primarily 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 cooled device couples.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 vascular is connected by pipeline with the cold junction of regenerator; 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, U-shaped structure has its particular advantages.First, it is the same with coaxial type structure, and cold junction (cryogenic applications end) is in one end, thus with being coupled more for convenience of device, and unlike linear structure with cooled device couples difficulty; Secondly, U structure is no doubt comparatively loose than coaxial type structure, but in U-shaped structure, regenerator does not directly contact with pulse tube, thus turn avoid the potential loss of refrigeration capacity that in coaxial type structure, regenerator and pulse tube Temperature Distribution are not mated and brought.Thus, the refrigerating efficiency of U-shaped structure is usually good than coaxial configuration, and with the practical application of device couples, U-shaped structure has superiority than linear structure again, so in application practice, U-shaped vascular refrigerator also obtains application widely.
As seen from Figure 1, U-shaped vascular refrigerator can be roughly divided into four parts, i.e. compressor, connecting leg, U-shaped type vascular cold finger (primarily of regenerator hot end heat exchanger, regenerator, cold head, vascular, vascular hot-side heat exchanger composition) 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 U-shaped vascular refrigerator and infrared device, is how effectively to organize this four major part, thus forms compact, reliable, efficient coupled structure with infrared device.
Summary of the invention
The present invention proposes close-coupled coupled structure and the manufacture method of a kind of U-shaped vascular refrigerator and infrared device.
Structure of the present invention is made up 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, secondary 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, it is characterized in that, 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 heat sink structure in U-shaped vascular refrigerator hot junction, vertical support is carried out to main heat exchanger 6 simultaneously; Secondary heat exchanger 7 inserts within main heat exchanger 6 from bottom with one heart; 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 time heat exchanger 7, and is communicated with regenerator 8 by the regenerator end infundibulate duct 15 in time heat exchanger 7; Regenerator 8 and pulse tube 9 are arranged in parallel; One end of regenerator 8 is inserted regenerator end boss 17 and is welded to connect, and the other end of regenerator 8 to insert in time heat exchanger 7 and is welded to connect; One end of pulse tube 9 is inserted pulse pipe end boss 18 and is welded to connect, and the other end of pulse tube 9 to insert in time heat exchanger 7 and is welded to connect; The entrance point of phase modulating mechanism 4 is connected with time heat exchanger 7, and is communicated with pulse tube 9 by the pulse pipe end funnel-shaped hole road 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, secondary heat exchanger 7, regenerator 8, pulse tube 9 and cool end heat exchanger 10 constitute a U-shaped vascular refrigerator jointly; The cold platform 19 of cool end heat exchanger 10 places infrared device 11 to be cooled; On cool end heat exchanger 10 and infrared device 11, arrange cold screen 12, the upper opening of cold screen 12 is just to dewar window 14; Regenerator 8, pulse tube 9, cool end heat exchanger 10, infrared device 11 and cold screen 12 cover in wherein by the device Dewar 13 of main heat exchanger 6 and upper setting thereof; The lower surface of device Dewar 13 and the upper surface of main heat exchanger 6 are tightly connected.Thus the common close-coupled coupled structure forming a kind of U-shaped vascular refrigerator and infrared device.
Be described as follows below in conjunction with the manufacture method of accompanying drawing to the close-coupled coupled structure of invented U-shaped vascular refrigerator and infrared device:
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 all uses fine turning lathe, milling machine and grinding machine processing guarantee to be between 1.0 ~ 5.0 μm, flatbed horizontal is placed, vertical support is carried out to whole coupled structure, serves as the radiator structure of compressor 2 and phase modulating mechanism 4 simultaneously.
As shown in Figure 2, on compressor 2, a T-shaped heat radiation support platform 5 made by high thermal conductivity aluminum product is installed.As shown in Figure 3, support platform 5 is made up of the supporting plane 22 of the supporting seat 23 and top that are positioned at bottom, center processes through hole 24, lower surface and the compressor upper surface of supporting seat 23 are welded and fixed, the upper surface of supporting plane 22 uses the processing of fine turning lathe, milling machine and grinding machine to ensure that flatness is between 2.0 ~ 3.0 μm, and and the depth of parallelism between main basal base 1 remain between 1.0 ~ 2.0 μm.
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 24 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 by the hollow structure of main heat exchanger 6 bottom, and adopt Vacuum Soldering Technology to be welded on time heat exchanger 7, be communicated with the regenerator end infundibulate duct 15 in secondary 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 uses Vacuum Soldering Technology to weld together with time heat exchanger 7, then the through slot 21 through main heat exchanger 6 bottom is drawn, and end makes to be bolted on main basal base 1.
As shown in Figure 4 and Figure 5, main heat exchanger 6 and time heat exchanger 7 all adopt the high-purity oxygen-free copper material of high heat conduction to make, wherein main heat exchanger 6 inside uses low-speed WEDM technology to be processed into a hollow structure, secondary heat exchanger 7 inserts in main heat exchanger 6 from bottom with one heart, and joint face therebetween uses Vacuum Soldering Technology welding; In secondary heat exchanger 7, use precision machine tool to process regenerator end infundibulate duct 15 and pulse pipe end funnel-shaped hole road 16 respectively with the position of regenerator 8 and pulse tube 9 vertical concentric, and use both honing machine grindings inwall, make its surface smoothness all higher than 0.01mm; The funnel openings internal diameter in regenerator end infundibulate duct 15 is identical with the external diameter of regenerator 8, being communicated with between connecting leg 3 with regenerator 8 is realized by regenerator end infundibulate duct 15, the funnel openings internal diameter in pulse pipe end funnel-shaped hole road 16 is identical with the external diameter of pulse tube 9, realizes being communicated with between phase modulating mechanism 4 with pulse tube 9 by pulse pipe end funnel-shaped hole road 16.
As shown in Figure 2, fit closely in the lower surface of main heat exchanger 6 and the upper surface of T-shaped heat radiation support platform 5, use bolt to connect therebetween; Regenerator 8 and pulse tube 9 insert in main heat exchanger 6 abreast, and insertion depth all remains between 1.0 ~ 2.0mm, and the contact surface inserting position all uses Vacuum Soldering Technology to weld.
As shown in Fig. 6 and Fig. 2, cool end heat exchanger 10 adopts the oxygenless copper material of high heat conduction to make, an end face processes regenerator end boss 17 and pulse pipe end boss 18, and another end face uses fine turning lathe, milling machine and grinding machine to process a flatness and is in cold platform 19 between 1.0 ~ 2.0 μm; Regenerator end boss 17 and pulse pipe end boss 18 insert in regenerator 8 and the respective tube wall of pulse tube 9 respectively, and insertion depth all remains between 1.0 ~ 2.0mm, and contact surface all adopts Vacuum Soldering Technology to weld; In cool end heat exchanger 10, open U-shaped hole 20 be communicated with regenerator 8 and pulse tube 9.
As shown in Figure 2, the cold platform 19 of cool end heat exchanger 10 places infrared device 11 to be cooled; On cool end heat exchanger 10 and infrared device 11, arrange the cold screen 12 that a wall thickness is 1.0 ~ 2.0mm, its lower end uses screw to be fixed on cold platform 19, and it is 5.0 ~ 15.0mm circular window that a diameter is opened on top, just to dewar window 14; With bolts and " O " type seal with elastometic washer in the lower surface of device Dewar 13 and the upper surface of main heat exchanger 6, uses vacuum molecular pump maintenance to be better than 1.0 × 10 device Dewar 13 in
-5the vacuum of Pa.
Feature of the present invention is, the coupled structure of this invention fully can adapt to the design feature of U-shaped vascular refrigerator, realizes integrally-built compactedness and highly reliable, to U-shaped vascular refrigerator cooling infrared device practical in there is very positive meaning.
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, Fig. 1 (2) be coaxially arranged mode figure, 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 by the sectional view of close-coupled coupled structure of the U-shaped vascular refrigerator of invention and infrared device; Wherein: 1 is main basal base; 2 is compressor; 3 is connecting leg; 4 is phase modulating mechanism; 5 is 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 sectional view of T-shaped heat radiation support platform 5; Wherein: 22 is supporting plane; 23 is supporting seat; 24 is through hole.
Fig. 4 is the schematic diagram of main heat exchanger 6; Wherein Fig. 4 (1) be main heat exchanger 6 sectional view, stereogram that Fig. 4 (2) is main heat exchanger 6.Wherein: 21 is through slot.
Fig. 5 is the sectional view of time heat exchanger 7; Wherein: 15 is regenerator end infundibulate duct; 16 pulse pipe ends are infundibulate duct.
Fig. 6 is the schematic diagram of cool end heat exchanger 10; Wherein Fig. 6 (1) be cool end heat exchanger 10 sectional view, stereogram that Fig. 6 (2) is cool end heat exchanger 10.Wherein: 17 is regenerator end boss; 18 is pulse pipe end boss; 19 is cold platform; 20 is U-shaped hole.
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, the U-shaped vascular refrigerator invented and the close-coupled coupled structure of infrared device are made up 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, secondary 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, it is characterized in that, 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 heat sink structure in U-shaped vascular refrigerator hot junction, vertical support is carried out to main heat exchanger 6 simultaneously; Secondary heat exchanger 7 inserts within main heat exchanger 6 from bottom with one heart; 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 time heat exchanger 7, and is communicated with regenerator 8 by the regenerator end infundibulate duct 15 in time heat exchanger 7; Regenerator 8 and pulse tube 9 are arranged in parallel; One end of regenerator 8 is inserted regenerator end boss 17 and is welded to connect, and the other end of regenerator 8 to insert in time heat exchanger 7 and is welded to connect; One end of pulse tube 9 is inserted pulse pipe end boss 18 and is welded to connect, and the other end of pulse tube 9 to insert in time heat exchanger 7 and is welded to connect; The entrance point of phase modulating mechanism 4 is connected with time heat exchanger 7, and is communicated with pulse tube 9 by the pulse pipe end funnel-shaped hole road 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, secondary heat exchanger 7, regenerator 8, pulse tube 9 and cool end heat exchanger 10 constitute a U-shaped vascular refrigerator jointly; The cold platform 19 of cool end heat exchanger 10 places infrared device 11 to be cooled; On cool end heat exchanger 10 and infrared device 11, arrange cold screen 12, the upper opening of cold screen 12 is just to dewar window 14; Regenerator 8, pulse tube 9, cool end heat exchanger 10, infrared device 11 and cold screen 12 cover in wherein by the device Dewar 13 of main heat exchanger 6 and upper setting thereof; The lower surface of device Dewar 13 and the upper surface of main heat exchanger 6 are tightly connected.Thus the common close-coupled coupled structure forming a kind of U-shaped vascular refrigerator and infrared device.
The manufacture method of the U-shaped vascular refrigerator invented and the close-coupled coupled structure of 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, it is 2.0 μm that the flatness of dull and stereotyped upper and lower surface all uses fine turning lathe, milling machine and grinding machine to process guarantee, flatbed horizontal is placed, vertical support is carried out to whole coupled structure, serves as the radiator structure of compressor 2 and phase modulating mechanism 4 simultaneously.
As shown in Figure 2, on compressor 2, a T-shaped heat radiation support platform 5 made by high thermal conductivity aluminum product is installed.As shown in Figure 3, support platform 5 is made up of the supporting plane 22 of the supporting seat 23 and top that are positioned at bottom, center processes through hole 24, lower surface and the compressor upper surface of supporting seat 23 are welded and fixed, the upper surface of supporting plane 22 uses the processing of fine turning lathe, milling machine and grinding machine to ensure that flatness is between 2.0 ~ 3.0 μm, and and the depth of parallelism between main basal base 1 be 1.5 μm.
As shown in Fig. 2, Fig. 4 and Fig. 5, connecting leg 3 adopts the pure copper tube of internal diameter 5.0mm to be made, the through hole 24 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 by the hollow structure of main heat exchanger 6 bottom, and adopt Vacuum Soldering Technology to be welded on time heat exchanger 7, be communicated with the regenerator end infundibulate duct 15 in secondary 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 uses Vacuum Soldering Technology to weld together with time heat exchanger 7, then the through slot 21 through main heat exchanger 6 bottom is drawn, and end makes to be bolted on main basal base 1.
As shown in Figure 4 and Figure 5, main heat exchanger 6 and time heat exchanger 7 all adopt the high-purity oxygen-free copper material of high heat conduction to make, wherein main heat exchanger 6 inside uses low-speed WEDM technology to be processed into a hollow structure, secondary heat exchanger 7 inserts in main heat exchanger 6 from bottom with one heart, and joint face therebetween uses Vacuum Soldering Technology welding; In secondary heat exchanger 7, use precision machine tool to process regenerator end infundibulate duct 15 and pulse pipe end funnel-shaped hole road 16 respectively with the position of regenerator 8 and pulse tube 9 vertical concentric, and use both honing machine grindings inwall, make its surface smoothness all higher than 0.01mm; The funnel openings internal diameter in regenerator end infundibulate duct 15 is identical with the external diameter of regenerator 8, being communicated with between connecting leg 3 with regenerator 8 is realized by regenerator end infundibulate duct 15, the funnel openings internal diameter in pulse pipe end funnel-shaped hole road 16 is identical with the external diameter of pulse tube 9, realizes being communicated with between phase modulating mechanism 4 with pulse tube 9 by pulse pipe end funnel-shaped hole road 16.
As shown in Figure 2, fit closely in the lower surface of main heat exchanger 6 and the upper surface of T-shaped heat radiation support platform 5, use bolt to connect therebetween; Regenerator 8 and pulse tube 9 insert in main heat exchanger 6 abreast, and insertion depth all remains on 1.5mm, and the contact surface inserting position all uses Vacuum Soldering Technology to weld.
As shown in Fig. 6 and Fig. 2, cool end heat exchanger 10 adopts the oxygenless copper material of high heat conduction to make, an end face processes regenerator end boss 17 and pulse pipe end boss 18, and another end face uses fine turning lathe, milling machine and grinding machine to process the cold platform 19 that a flatness is 1.5 μm; Regenerator end boss 17 and pulse pipe end boss 18 insert in regenerator 8 and the respective tube wall of pulse tube 9 respectively, and insertion depth is between 1.5mm, and contact surface all adopts Vacuum Soldering Technology to weld; In cool end heat exchanger 10, open U-shaped hole 20 be communicated with regenerator 8 and pulse tube 9.
As shown in Figure 2, the cold platform 19 of cool end heat exchanger 10 places infrared device 11 to be cooled; On cool end heat exchanger 10 and infrared device 11, arrange the cold screen 12 that a wall thickness is 1.8mm, its lower end uses screw to be fixed on cold platform 19, and it is 9.0mm circular window that a diameter is opened on top, just to dewar window 14; With bolts and " O " type seal with elastometic washer in the lower surface of device Dewar 13 and the upper surface of main heat exchanger 6, uses vacuum molecular pump maintenance to be better than 1.0 × 10 device Dewar 13 in
-5the vacuum of Pa.
Claims (2)
1. the close-coupled coupled structure of a U-shaped vascular 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), secondary 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) composition, it is characterized in that, main basal base (1) is as the supporting base of whole coupled structure, serve 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 heat sink structure in U-shaped vascular refrigerator hot junction, vertical support is carried out to main heat exchanger (6) simultaneously, secondary heat exchanger (7) inserts within main heat exchanger (6) from bottom with one heart, one end of connecting leg (3) is connected with the outlet of compressor (2) by the through hole (24) of T-shaped heat radiation support platform (5), the other end of connecting leg (3) is connected with time heat exchanger (7), and is communicated with regenerator (8) by the regenerator end infundibulate duct (15) in time heat exchanger (7), regenerator (8) and pulse tube (9) are arranged in parallel, one end of regenerator (8) is inserted regenerator end boss (17) and is welded to connect, and the other end of regenerator (8) to insert in time heat exchanger (7) and is welded to connect, one end of pulse tube (9) is inserted pulse pipe end boss (18) and is welded to connect, and the other end of pulse tube (9) to insert in time heat exchanger (7) and is welded to connect, the entrance point of phase modulating mechanism (4) is connected with time heat exchanger (7), and be communicated with pulse tube (9) by the pulse pipe end funnel-shaped hole road (16) in time heat exchanger (7), 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), secondary heat exchanger (7), regenerator (8), pulse tube (9) and cool end heat exchanger (10) constitute a U-shaped vascular refrigerator jointly, cold platform (19) in cool end heat exchanger (10) is upper places infrared device (11) to be cooled, on cool end heat exchanger (10) and infrared device (11), arrange cold screen (12), the upper opening of cold screen (12) is just to dewar window (14), regenerator (8), pulse tube (9), cool end heat exchanger (10), infrared device (11) and cold screen (12) cover in wherein by the device Dewar (13) of main heat exchanger (6) and upper setting thereof, the lower surface of device Dewar (13) and the upper surface of main heat exchanger (6) are tightly connected, thus the common close-coupled coupled structure forming a kind of U-shaped vascular refrigerator and infrared device.
2. the manufacture method of the close-coupled coupled structure of U-shaped vascular refrigerator and infrared device as claimed in claim 1, it is characterized in that, 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 all uses fine turning lathe, milling machine and grinding machine processing guarantee to be between 1.0 ~ 5.0 μm, flatbed horizontal is placed, vertical support is carried out to whole coupled structure, serves as the radiator structure of compressor (2) and phase modulating mechanism (4) simultaneously; On compressor (2), a T-shaped heat radiation support platform (5) made by high thermal conductivity aluminum product is installed, support platform (5) is made up of the supporting plane (22) of the supporting seat (23) and top that are positioned at bottom, center processes through hole (24), lower surface and the compressor upper surface of supporting seat (23) are welded and fixed, the upper surface of supporting plane (22) uses the processing of fine turning lathe, milling machine and grinding machine to ensure that flatness is between 2.0 ~ 3.0 μm, and and the depth of parallelism between main basal base (1) remain between 1.0 ~ 2.0 μm; Connecting leg (3) adopts the pure copper tube of internal diameter 2.0 ~ 6.0mm to be made, the through hole (24) 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 by the hollow structure of main heat exchanger (6) bottom, and adopt Vacuum Soldering Technology to be welded on time heat exchanger (7), be communicated with the regenerator end infundibulate duct (15) in secondary heat exchanger (7); Phase modulating mechanism (4) can be the assembly between aperture, valve, nozzle, inertia tube, air reservoir or above-mentioned different parts, its entrance point uses Vacuum Soldering Technology to weld together with time heat exchanger (7), then the through slot (21) through main heat exchanger (6) bottom is drawn, and end makes to be bolted on main basal base (1); Main heat exchanger (6) and time heat exchanger (7) all adopt the high-purity oxygen-free copper material of high heat conduction to make, wherein main heat exchanger (6) inside uses low-speed WEDM technology to be processed into a hollow structure, secondary heat exchanger (7) inserts in main heat exchanger (6) from bottom with one heart, and joint face therebetween uses Vacuum Soldering Technology welding; In secondary heat exchanger (7), use precision machine tool to process regenerator end infundibulate duct (15) and pulse pipe end funnel-shaped hole road (16) respectively with the position of regenerator (8) and pulse tube (9) vertical concentric, and use both honing machine grindings inwall, make its surface smoothness all higher than 0.01mm; The funnel openings internal diameter in regenerator end infundibulate duct (15) is identical with the external diameter of regenerator (8), being communicated with between connecting leg (3) with regenerator (8) is realized by regenerator end infundibulate duct (15), the funnel openings internal diameter in pulse pipe end funnel-shaped hole road (16) is identical with the external diameter of pulse tube (9), realizes being communicated with between phase modulating mechanism (4) with pulse tube (9) by pulse pipe end funnel-shaped hole road (16); Fitting closely in the lower surface of main heat exchanger (6) and the upper surface of T-shaped heat radiation support platform (5), uses bolt to connect therebetween; Regenerator (8) and pulse tube (9) insert in main heat exchanger (6) abreast, and insertion depth all remains between 1.0 ~ 2.0mm, and the contact surface inserting position all uses Vacuum Soldering Technology to weld; Cool end heat exchanger (10) adopts the oxygenless copper material of high heat conduction to make, an end face processes regenerator end boss (17) and pulse pipe end boss (18), and another end face uses fine turning lathe, milling machine and grinding machine to process a flatness and is in cold platform (19) between 1.0 ~ 2.0 μm; Regenerator end boss (17) and pulse pipe end boss (18) insert in regenerator (8) and the respective tube wall of pulse tube (9) respectively, insertion depth all remains between 1.0 ~ 2.0mm, and contact surface all adopts Vacuum Soldering Technology to weld; In cool end heat exchanger (10), open U-shaped hole (20) be communicated with regenerator (8) and pulse tube (9); Cold platform (19) in cool end heat exchanger (10) is upper places infrared device (11) to be cooled; 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), its lower end uses screw to be fixed on cold platform (19), it is 5.0 ~ 15.0mm circular window that a diameter is opened on top, just to dewar window (14); With bolts and " O " type seal with elastometic washer in the lower surface of device Dewar (13) and the upper surface of main heat exchanger (6), uses vacuum molecular pump maintenance to be better than 1.0 × 10 device Dewar (13) in
-5the vacuum of Pa.
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| CN2013102516852A CN103307797A (en) | 2013-06-21 | 2013-06-21 | U-shaped pulse tube refrigerator and infrared device compact type coupled structure and manufacturing method |
| CN201410021033.4A CN103759454B (en) | 2013-06-21 | 2014-01-17 | The close-coupled coupled structure of U-shaped vascular refrigerator and infrared device and manufacture method |
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|---|---|---|---|---|
| CN103307797A (en) * | 2013-06-21 | 2013-09-18 | 中国科学院上海技术物理研究所 | U-shaped pulse tube refrigerator and infrared device compact type coupled structure and manufacturing method |
| CN103851821B (en) * | 2014-01-17 | 2016-08-24 | 中国科学院上海技术物理研究所 | The close-coupled inertia U-shaped pulse tube refrigerating machine of cast high frequency and manufacture method |
| CN103851820B (en) * | 2014-01-17 | 2016-08-24 | 中国科学院上海技术物理研究所 | Separate unit linear compressor drives structure and the manufacture method of two U-shaped vascular cold fingers |
| CN103759451B (en) * | 2014-01-17 | 2016-01-13 | 中国科学院上海技术物理研究所 | Close-coupled inertia cast high frequency coaxial pulse tube refrigerating machine and manufacture method |
| CN103851819B (en) * | 2014-01-17 | 2016-03-30 | 中国科学院上海技术物理研究所 | Separate unit linear compressor drives straight line and U-shaped vascular coldfinger and manufacture method |
| CN104180552A (en) * | 2014-08-15 | 2014-12-03 | 中国科学院上海技术物理研究所 | U-shaped pulse tube refrigerating machine structure for cooling high temperature superconducting filter and manufacture method |
| CN104457009B (en) * | 2014-11-27 | 2016-08-24 | 中科力函（深圳）低温技术有限公司 | A kind of low temperature pulse tubes refrigeration machine using mixed structure |
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| CN102331105A (en) * | 2011-09-23 | 2012-01-25 | 浙江大学 | Pulse tube refrigerator with precooling pulse tube |
| CN102735088A (en) * | 2012-06-25 | 2012-10-17 | 中国科学院上海技术物理研究所 | Conical slit-type hot end heat exchanger of coaxial pulse tube refrigerator and manufacturing method |
| CN103017394A (en) * | 2012-11-30 | 2013-04-03 | 中国科学院上海技术物理研究所 | Integrated tapered slit cold-end heat exchanger of linear pulse tube refrigerator and manufacturing method |
| CN203731733U (en) * | 2013-06-21 | 2014-07-23 | 中国科学院上海技术物理研究所 | Compact type coupling structure of U-shaped pulse tube cooling machine and infrared device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003139427A (en) * | 2001-11-05 | 2003-05-14 | Aisin Seiki Co Ltd | Cooling device |
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2013
- 2013-06-21 CN CN2013102516852A patent/CN103307797A/en active Pending
-
2014
- 2014-01-17 CN CN201410021033.4A patent/CN103759454B/en active Active
- 2014-01-17 CN CN201420028500.1U patent/CN203731733U/en not_active Withdrawn - After Issue
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331105A (en) * | 2011-09-23 | 2012-01-25 | 浙江大学 | Pulse tube refrigerator with precooling pulse tube |
| CN102735088A (en) * | 2012-06-25 | 2012-10-17 | 中国科学院上海技术物理研究所 | Conical slit-type hot end heat exchanger of coaxial pulse tube refrigerator and manufacturing method |
| CN103017394A (en) * | 2012-11-30 | 2013-04-03 | 中国科学院上海技术物理研究所 | Integrated tapered slit cold-end heat exchanger of linear pulse tube refrigerator and manufacturing method |
| CN203731733U (en) * | 2013-06-21 | 2014-07-23 | 中国科学院上海技术物理研究所 | Compact type coupling structure of U-shaped pulse tube cooling machine and infrared device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103759454A (en) | 2014-04-30 |
| CN203731733U (en) | 2014-07-23 |
| CN103307797A (en) | 2013-09-18 |
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