CN1353287A - Split-type gas driven stirling-pulse tube coupled refrigerator - Google Patents

Split-type gas driven stirling-pulse tube coupled refrigerator Download PDF

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Publication number
CN1353287A
CN1353287A CN 01132330 CN01132330A CN1353287A CN 1353287 A CN1353287 A CN 1353287A CN 01132330 CN01132330 CN 01132330 CN 01132330 A CN01132330 A CN 01132330A CN 1353287 A CN1353287 A CN 1353287A
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CN
China
Prior art keywords
pulse tube
split
heat exchanger
type gas
gas driven
Prior art date
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Granted
Application number
CN 01132330
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Chinese (zh)
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CN1125294C (en
Inventor
张存泉
吴亦农
徐烈
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Priority to CN 01132330 priority Critical patent/CN1125294C/en
Publication of CN1353287A publication Critical patent/CN1353287A/en
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Publication of CN1125294C publication Critical patent/CN1125294C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • 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 
    • F25B2309/1407—Pulse-tube cycles with pulse tube having in-line geometrical arrangements
    • 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 
    • F25B2309/1424—Pulse tubes with basic schematic including an orifice and a reservoir
    • F25B2309/14241—Pulse tubes with basic schematic including an orifice reservoir multiple inlet pulse tube

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

A split-type gas driven stirling-pulse tube coupled refrigerator is composed of gas driven stirling refrigerator and pulse tube refrigerator. A single compressor provides the gas with pressure fluctuation. Both refrigerating units has a single exhauster/heat regenerator and a single pneumatic cavity/gas storage unit. The cold cavity of Stirling unit is connected via a fine tube to the cold-end heat exchanger of pulse tube unit, whose hot-end heat exchanger is connected to the hot cavity of Stirling unit.

Description

Split-type gas driven stirling-pulse tube coupled refrigerator
Technical field:
What the present invention relates to is a kind of refrigeration machine, particularly a kind of split-type gas driven stirling-pulse tube coupled refrigerator that can directly be applied to fields such as Aero-Space, satellite remote sensing, low-temperature electronics, high-temperature superconductor, cryobiology and household electrical appliance as low-temperature receiver is to belong to the cryogenic refrigeration field of engineering technology.
Background technology:
In prior art, split-type gas driven stirling circulation Cryo Refrigerator is early than proposing in " Pneumatically Driven Split-Cycle CryogenicRefrigerator " literary composition of being delivered on Advances in CryogenicEngineering the 19th volume by the S.B.Horn of AUS Night Vision Laboratories (NVL) etc. in 1974.The theoretical circulation of this machine is to be the circulation of main thermal procession with the expansion of variable mass and compression process, owing to wherein adopt backheat measure efficiently, thermal efficiency of cycle can reach the level of Carnot cycle in theory.In recent years along with the linear electric motor compressor, flat spring, The Application of Technology such as modern control, the reliability of split-type gas driven stirling circulation Cryo Refrigerator, life-span, performance indications such as vibration noise all are improved, be widely used in the field products such as infrared technique and superconducting electronics, the research work of this respect also is a focus in low temperature field simultaneously, but owing to be a certain amount of confining gas in the pneumatic cavity of split-type gas driven stirling circulation Cryo Refrigerator, isolate by drive rod and higher quality seal with hot chamber, directly do not participate in kind of refrigeration cycle, only work to regulate the phase place between flow waves and the pressure wave, so this machine exists performance degradation not have the self compensation characteristic, the phase modulation means are single, shortcomings such as property regulation narrow range.
Pulse tube refrigeration early than at the beginning of 1964 by American scholar W.E.Gifford and R.C.Longsworth at Trans.ASME, propose in " Pulse Tube Refrigeraion " literary composition of the 86th phase of J.Eng..They alternately pressurize and reduce pressure the elongated tubular of one one end sealing, and heat just is transferred to the other end by an end of pipe, sets up considerable thermograde in pipe vertically, and this refrigeration modes is called pulse tube refrigeration.E.I.Mikulin etc. 1984 have introduced in the 29th volume " LowTemperature Expansion Pulse Tubes " literary composition of Advances in Cryogenic Engineering and have added aperture in the pulse tube hot junction and air reservoir improves, nineteen ninety S.Zhu etc. have introduced the bidirection air intake improvement project in Cryogenics the 30th volume " Double inlet pulse tuberefrigerators:an important improvement " literary composition, make single-stage pulse tube refrigerating machine minimum temperature can reach 20-30K.Pulse tube refrigeration has at low temperatures distinct advantages such as movement-less part, phase modulation means are various, property regulation wide ranges, but pulse tube refrigeration efficient is lower, the through engineering approaches exploitation relatively lags behind.
Summary of the invention:
Be deficiency and the defective that overcomes prior art, the invention provides a kind of new solutions for refrigeration---split-type gas driven stirling-pulse tube coupled refrigerator, split-type gas driven stirling circularly cooling machine and pulse tube refrigerating machine are coupled to form.The split-type gas driven stirling refrigerating part is freezed according to the operation principle of split-type gas driven stirling refrigeration; The pulse tube refrigeration part is freezed according to the principle of pulse tube refrigeration.Split-type gas driven stirling refrigerating part and pulse tube refrigeration part provide pressure oscillation gas by same compressor, both have same displacer/regenerator, pneumatic cavity/air reservoir is a pneumatic cavity for the effect of split-type gas driven stirling refrigerating part, and effect partly is an air reservoir for pulse tube refrigeration.The cold chamber of split-type gas driven stirling refrigerating part is connected by the cool end heat exchanger of a tubule with the pulse tube refrigeration part, the hot end heat exchanger of pulse tube refrigeration part links to each other with the hot chamber of split-type gas driven stirling refrigerating part by the bidirection air intake valve, and hot end heat exchanger also links to each other with pneumatic cavity/air reservoir by little ports valve.
The split-type gas driven stirling-pulse tube coupled refrigerator that the present invention provides combines the advantage of split-type gas driven stirling refrigeration machine and two kinds of refrigeration machines of pulse tube refrigerating machine, make the two replenish mutually, the multiple control phase means of while pulse tube refrigeration, the adjustable range that obtains high serviceability is further enlarged, and can compensate the weakness of split-type gas driven stirling refrigerating part performance degradation automatically, make refrigeration machine refrigeration better effects if, index of aging that further raising be arranged.
Description of drawings and specific embodiment Fig. 1 split-type gas driven stirling-pulse tube coupled refrigerator structural principle schematic diagram;
As shown in Figure 1, the present invention is coupled to form by split-type gas driven stirling circularly cooling part I and pulse tube refrigeration part II, mainly comprises compressor 2, cooler 3, connection flexible pipe 4, hot chamber 5, drive rod 6, displacer/regenerator 7, cold chamber 8, connects tubule 9, cool end heat exchanger 10, bidirection air intake valve 11, pulse tube 12, hot end heat exchanger 13, aperture valve 14, pneumatic cavity/air reservoir 15 etc.Split-type gas driven stirling circularly cooling part I and pulse tube refrigeration part II provide pressure oscillation gas by same compressor 2, and both have common displacer/regenerator 7.Pneumatic cavity/air reservoir 15 is a pneumatic cavity for the effect of split-type gas driven stirling refrigerating part I, is air reservoir for the effect of pulse tube refrigeration part II.Pulse tube 12 is elongated thin-wall stainless steel, and its two ends are respectively cool end heat exchanger (laminarization element) 10 and hot end heat exchanger (laminarization element) 13.Cold chamber 8 connects tubule 9 by one and is connected with cool end heat exchanger 10, the gas passage of hot end heat exchanger 13 by aperture valve 14 be connected with pneumatic cavity/air reservoir 15, by bidirection air intake valve 11 be connected flexible pipe 4 and be connected with hot chamber 5.Cooler 2 behind the compressor 1 is connected with hot chamber 5 by connecting flexible pipe 4.
Know that by Gas Refrigerator General Theory cold computing formula Q=∮ pdV (Q is a cold, and p is cold cavity pressure, and V is a cold chamber volume) necessary condition that produces cold is: 1. cold cavity pressure fluctuation; 2. cold chamber volume fluctuations; 3. cold cavity pressure fluctuation keeps rational phase difference with volume fluctuations.
Compression piston 1 is reciprocating under the driving of linear electric motors usually, provide alternating pressure fluctuation gas by connecting flexible pipe 4 thermotropism chambeies 5, regenerator and displacer are integrative-structures, gas load in hot chamber 5, cold chamber 8, the pneumatic cavity/air reservoir 15 and the damping of self are depended in the motion of displacer/regenerator 7, under rational mechanism parameter and the blowing pressure, just can cause the 8 internal pressures fluctuation of cold chamber to keep rational phase place, produce refrigeration effect with volume fluctuations and the two.A part of cryogenic gas in cold chamber 8 enters cool end heat exchanger 10 by connecting tubule 9, so just split-type gas driven stirling refrigerating part I and pulse tube refrigeration part II is coupled together.Under rational mechanism parameter and the blowing pressure, just can cause the fluctuation of pulse tube internal pressure and volume fluctuations and the two to keep rational phase place, produce refrigeration effect.The two cold can be exported together, increases refrigeration.
The split-type gas driven stirling-pulse tube coupled refrigerator that the present invention provides combines the advantage of split-type gas driven stirling refrigeration machine and two kinds of refrigeration machines of pulse tube refrigerating machine, make the two replenish mutually, the multiple control phase means of while pulse tube refrigeration, the adjustable range that obtains high serviceability is further enlarged, and can compensate the weakness of split-type gas driven stirling refrigerating part performance degradation automatically, make refrigeration machine refrigeration better effects if, index of aging that further raising be arranged.

Claims (1)

1, a kind of split-type gas driven stirling-pulse tube coupled refrigerator is to be coupled to form by split-type gas driven stirling circularly cooling part I and pulse tube refrigeration part II, mainly comprise compressor (2), cooler (3), connect flexible pipe (4), hot chamber (5), drive rod (6), displacer/regenerator (7), cold chamber (8), connect tubule (9), cool end heat exchanger (10), bidirection air intake valve (11), pulse tube (12), hot end heat exchanger (13), little ports valve (14), pneumatic cavity/air reservoir (15) etc., it is characterized in that split-type gas driven stirling circularly cooling part I and pulse tube refrigeration part II provide pressure oscillation gas by same compressor (2), both have common displacer/regenerator (7), pneumatic cavity/air reservoir (15) is a pneumatic cavity for the effect of split-type gas driven stirling refrigerating part I, effect for pulse tube refrigeration part II is an air reservoir, pulse tube (12) is elongated thin-wall stainless steel, its two ends are respectively cool end heat exchanger (laminarization element) (10) and hot end heat exchanger (laminarization element) (13), cold chamber 8 connects tubule (9) by one and is connected with cool end heat exchanger (10), and the gas passage of hot end heat exchanger (13) is connected with pneumatic cavity/air reservoir (15) by little ports valve (14); By bidirection air intake valve (11) be connected flexible pipe (4) and be connected with hot chamber (5), the cooler (2) behind the compressor (1) is connected with hot chamber (5) by connecting flexible pipe (4).
CN 01132330 2001-11-29 2001-11-29 Split-type gas driven stirling-pulse tube coupled refrigerator Expired - Fee Related CN1125294C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01132330 CN1125294C (en) 2001-11-29 2001-11-29 Split-type gas driven stirling-pulse tube coupled refrigerator

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Application Number Priority Date Filing Date Title
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CN1353287A true CN1353287A (en) 2002-06-12
CN1125294C CN1125294C (en) 2003-10-22

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100557345C (en) * 2006-05-16 2009-11-04 中国科学院理化技术研究所 The non-resonant DC heat exchanger that a kind of pressure wave drives
CN102506513A (en) * 2011-11-09 2012-06-20 浙江大学 Stirling pulse tube refrigerator connected with displacer
CN103062952A (en) * 2013-01-30 2013-04-24 浙江大学 Pulse tube/Stirling gas coupling composite multi-stage refrigerator
CN101561196B (en) * 2009-05-18 2013-07-24 浙江大学 High-power pulse tube refrigerator based on Stirling refrigerator
CN103225570A (en) * 2013-04-24 2013-07-31 兰州空间技术物理研究所 Generator and refrigerator coupled double Stirling engine
CN103344061A (en) * 2013-06-21 2013-10-09 中国科学院上海技术物理研究所 Coupling structure between linear type pulse tube refrigerator and infrared device and manufacturing method for same
CN107421153A (en) * 2017-08-22 2017-12-01 中国电子科技集团公司第十六研究所 A kind of Stirling vascular mixing cold finger using post spring phase modulation
CN106593824B (en) * 2016-12-09 2018-05-04 中国科学院理化技术研究所 A kind of linear thermocompressor
CN114396737A (en) * 2021-04-13 2022-04-26 中国科学院上海技术物理研究所 Stirling pulse tube composite refrigerator with low-temperature piston active phase modulation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102032703B (en) * 2010-11-26 2012-06-27 中国科学院上海技术物理研究所 Integrated hot end phase adjusting structure of inertance-tube type pulse tube cooler and manufacturing method of phase adjusting structure

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100557345C (en) * 2006-05-16 2009-11-04 中国科学院理化技术研究所 The non-resonant DC heat exchanger that a kind of pressure wave drives
CN101561196B (en) * 2009-05-18 2013-07-24 浙江大学 High-power pulse tube refrigerator based on Stirling refrigerator
CN102506513A (en) * 2011-11-09 2012-06-20 浙江大学 Stirling pulse tube refrigerator connected with displacer
CN103062952A (en) * 2013-01-30 2013-04-24 浙江大学 Pulse tube/Stirling gas coupling composite multi-stage refrigerator
CN103062952B (en) * 2013-01-30 2014-12-03 浙江大学 Pulse tube/Stirling gas coupling composite multi-stage refrigerator
CN103225570A (en) * 2013-04-24 2013-07-31 兰州空间技术物理研究所 Generator and refrigerator coupled double Stirling engine
CN103344061A (en) * 2013-06-21 2013-10-09 中国科学院上海技术物理研究所 Coupling structure between linear type pulse tube refrigerator and infrared device and manufacturing method for same
CN106593824B (en) * 2016-12-09 2018-05-04 中国科学院理化技术研究所 A kind of linear thermocompressor
CN107421153A (en) * 2017-08-22 2017-12-01 中国电子科技集团公司第十六研究所 A kind of Stirling vascular mixing cold finger using post spring phase modulation
CN107421153B (en) * 2017-08-22 2022-07-12 中国电子科技集团公司第十六研究所 Stirling-pulse tube mixed cold finger adopting column spring phase modulation
CN114396737A (en) * 2021-04-13 2022-04-26 中国科学院上海技术物理研究所 Stirling pulse tube composite refrigerator with low-temperature piston active phase modulation

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