WO2013044604A1 - 一种带自动调节气体流量和相位装置的脉管制冷机 - Google Patents
一种带自动调节气体流量和相位装置的脉管制冷机 Download PDFInfo
- Publication number
- WO2013044604A1 WO2013044604A1 PCT/CN2012/070427 CN2012070427W WO2013044604A1 WO 2013044604 A1 WO2013044604 A1 WO 2013044604A1 CN 2012070427 W CN2012070427 W CN 2012070427W WO 2013044604 A1 WO2013044604 A1 WO 2013044604A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- valve
- gas
- valves
- regenerator
- pulse tube
- Prior art date
Links
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
- F25B2309/1413—Pulse-tube cycles characterised by performance, geometry or theory
-
- 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
- F25B2309/1418—Pulse-tube cycles with valves in gas supply and return lines
-
- 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
- F25B2309/1425—Pulse tubes with basic schematic including several pulse tubes
Definitions
- Pulse tube refrigerator with automatic adjusting gas flow and phase device Pulse tube refrigerator with automatic adjusting gas flow and phase device
- the present invention relates to a cryogenic vessel refrigerator with an apparatus for automatically regulating gas flow and phase, and more particularly to a vessel refrigerator having an automatic adjustment of gas flow and phase.
- the cold section of the pulse tube refrigerator has no moving parts, it is more reliable than the traditional GM refrigerator and Stirling type refrigerator.
- the cold finger has the characteristics of no wear, low vibration and low noise, and has wide application value in business. .
- a pulse tube refrigerator can be thought of as a variant of a G-M refrigerator that uses a gas piston instead of a solid piston to achieve a cooling effect by adiabatic deflation expansion of the high pressure gas in the vessel cavity. Its working process can be divided into:
- the intake valve opens, and the high pressure gas flows through the valve through the regenerator, the cold end regenerator and the deflector, and enters the vessel in a laminar flow, pushing the gas in the tube toward the closed end. After the gas is squeezed, the temperature of the gas at the closed end of the vessel reaches a maximum.
- a water cooler disposed at the closed end of the vessel carries heat away, reducing the temperature of the gas within the tube to the temperature of the gas initially entering the regenerator.
- the venting valve opens, in communication with the low pressure origin, the gas in the vessel expands, producing a cooling effect, and the gas is reduced to a minimum temperature.
- the amount of cooling is determined by the pressure p in the vessel, the flow rate, and the phase relationship between the two.
- the phase relationship between pressure and flow in a G-M type pulse tube refrigerator can be understood as the length of the gas compression process or the expansion process relative to time.
- the cold end of the pulse tube refrigerator has no moving parts, and it is impossible to actively adjust the flow rate and phase of the gas entering the vessel. To obtain the ideal flow size and phase relationship at a deep low temperature, it must be completed by the active gas distribution device, as shown in Fig. 2.
- the six-stage active gas distribution dual-stage pulse tube refrigerator is shown.
- the refrigeration temperature of the pulse tube refrigerator is susceptible to various factors such as changes in ambient temperature, internal gas impurities, and cold finger direction, instability is likely to occur during operation. Therefore, in the process of refrigerating machine transportation, it is necessary to adjust the flow rate and phase of the regenerator or vessel according to these various factors, thereby adjusting the performance of the refrigerating machine, so that the refrigerating machine is in an optimal working state, and the efficiency of the refrigerating machine is improved.
- the stability of the refrigeration temperature is possible to adjust the flow rate and phase of the regenerator or vessel according to these various factors, thereby adjusting the performance of the refrigerating machine, so that the refrigerating machine is in an optimal working state, and the efficiency of the refrigerating machine is improved.
- a pulse tube refrigerator with a self-regulating gas flow and phase device including a helium compressor, a gas distribution valve, a drive controller, a drive lead, a temperature sensor, a temperature measuring lead, a regenerator, a primary vessel, a secondary vessel, a primary gas reservoir and a secondary gas reservoir, the gas distribution valve comprising 8 independent first valves, a second valve, a third valve, a fourth valve, a fifth valve, a sixth valve, a The seven valve and the eighth valve are composed and have no influence on each other.
- the drive controller transmits the command signal to the above eight independent valves through the drive lead to control the opening and closing size and opening of the eight independent valves in the valve.
- the fifth valve and the sixth valve are respectively connected to the outlet of the regenerator, and the fifth valve and the sixth valve are respectively connected with the high pressure air pipe and the low pressure air pipe of the helium compressor;
- the valve, the fourth valve and the eighth valve, the third valve and the fourth valve are respectively connected with the high pressure air pipe and the low pressure air pipe of the helium compressor, and the first valve is respectively connected to the top outlet of the secondary blood vessel,
- the second valve and the seventh valve, the first valve valve and the second valve are respectively connected with the high pressure air pipe and the low pressure air pipe, and the bottom of the first blood vessel and the bottom of the second blood vessel respectively pass the second connecting pipe and the first connecting pipe and the first connecting pipe respectively
- the bottom of the heater is connected to the bottom of the secondary regenerator.
- the opening and closing timing and the opening size of the eight valves in the valve are controlled by the driving controller, and the driving controller transmits the control signals to the eight independent first valves, the second valves, and the first through the driving leads.
- a second temperature sensor and a first temperature sensor are respectively attached to the bottom of the primary regenerator and the secondary regenerator, and the temperature signal output ends of the second temperature sensor and the first temperature sensor are connected to the drive control through the temperature measuring lead
- the temperature signal receiving end of the device adjusts the timing and size of the opening and closing of the valve according to the temperature signal.
- the seventh valve is independently connected between the secondary gas reservoir and the secondary blood vessel.
- the eighth valve is independently connected between the primary gas reservoir and the primary blood vessel.
- the valve of the invention consists of 8 independent valves, which do not affect each other.
- the drive controller can independently adjust the opening and closing amount of each valve and the opening and closing timing according to the change of the tested cooling temperature signal, thereby controlling The size and timing of the inlet and outlet regenerators, the primary and secondary vessels, and the timing and adjustment of the gas phase and gas volume during the operation of the refrigerator, maintaining the stability of the performance of the refrigerator, thus eliminating the traditional The limitation of the planar rotary valve in the active gas distribution function.
- 1 is a temperature distribution diagram of a basic type of pulse tube refrigerator cycle process in the prior art.
- FIG. 3 is a schematic illustration of a pulse tube refrigerator with an automatically regulated gas flow and phase device of the present invention.
- Fig. 4 is a timing chart showing the opening and closing of the refrigerator valve of the present invention.
- a cryogenic pulse tube refrigerator with an automatic gas flow and phase device comprising a helium compressor 1, a gas distribution valve 11, a drive controller 9, a drive lead 10, a temperature sensor, a temperature measuring lead 8, a regenerator, The primary vessel 5, the secondary vessel 6, the primary gas reservoir 14 and the secondary gas reservoir 15.
- the gas distribution valve 11 is composed of 8 independent first valves 21, second valves 22, third valves 23, fourth valves 24, fifth valves 25, sixth valves 26, seventh valves 27 and eighth valves 28.
- the composition without affecting each other, the drive controller 9 transmits a command signal to the eight independent valves through the drive lead 10 for controlling the opening and closing size and the opening and closing timing of the eight independent valves in the valve 11;
- Regenerator The port is respectively connected with a fifth valve 25 and a sixth valve 26, and the fifth valve 25 and the sixth valve 26 are respectively connected to the high pressure air pipe 3 and the low pressure air pipe 2 of the helium compressor 1;
- the third valve 23, the fourth valve 24 and the eighth valve 28, the third valve 23 and the fourth valve 24 are respectively connected to the high pressure air pipe 3 and the low pressure air pipe 2 of the helium compressor 1, and the top outlets of the secondary blood pipes 6 are respectively connected
- the opening and closing timing and the opening size of the eight valves in the gas distribution valve 11 are controlled by the drive controller 9, and the drive controller 9 transmits the control signals to the eight independent first valves 21 and the second valves through the drive leads 10, respectively. 22.
- the second temperature sensor 7b and the first temperature sensor 7a are respectively attached to the bottom of the primary regenerator 4b and the secondary regenerator 4a, and the temperature signal output ends of the second temperature sensor 7b and the first temperature sensor 7a pass the temperature measuring lead 8 is connected to the temperature signal receiving end of the drive controller 9, and adjusts the timing and size of opening and closing of the valves 21-28 according to the temperature signal.
- the seventh valve 27 is independently connected between the secondary gas reservoir 15 and the secondary vessel 6.
- the eighth valve 28 is independently connected between the primary gas reservoir 14 and the primary blood vessel 5.
- the primary regenerator 4b and the secondary regenerator 4a are coaxially connected to each other in a stepped shape.
- the primary regenerator 4b, the primary vascular 5, and the secondary vascular 6 can be mounted on the flange 16 at the same time.
- the gas enters and exits at the top of the primary regenerator 4b through the pipe 33, and the pipe 33 is divided into two parallel circuits, and the fifth valve 25 and the sixth valve 26 are respectively connected in series, and the above two valves are respectively associated with the helium compressor 1
- the high pressure gas pipe 3 and the low pressure gas pipe 2 are connected to each other to control the gas in the top of the primary regenerator 4b.
- the bottom of the primary vessel 5 and the bottom of the secondary vessel 6 are connected to the primary regenerator (4a) and the secondary regenerator bottom 4b through the second connecting pipe 19b and the first connecting pipe 19a, respectively, and enter and exit the primary heat recovery.
- the gas of the device 4b is divided into two parts at the bottom of the primary regenerator 4b, a part of the gas can enter and exit the first-stage vessel 5 through the second connecting pipe 19b, and another part of the gas enters the secondary regenerator 4a, and then passes through the first connection.
- the tube 19a enters and exits to the secondary vessel 4a.
- the gas enters and exits at the top of the first-stage vessel 5 through the pipe 32, and the pipe 32 is divided into three parallel circuits, each of which is connected in series with the third valve 23, the fourth valve 24 and the eighth valve 28, and the third valve 23
- the fourth valve 24 is respectively connected with the high pressure air pipe 3 and the low pressure air pipe 2 of the helium compressor 1;
- the eighth valve 28 is in communication with the first stage gas reservoir 14;
- the top outlet of the secondary pulse tube 6 is connected to the pipe 31, and the pipe 31 is divided into parallel 3 channels, each of which is connected in series with a first valve 21, a second valve 22 and a seventh valve 27, respectively, the first valve 21 and the second valve 22 are respectively connected with the high pressure gas pipe 3 and the low pressure gas pipe 4, the secondary gas reservoir 15 and the first Valve 27 is in communication.
- the automatic regulating gas flow and phase device comprises: 8 independent valves - a first valve 21, a second valve 22, a third valve 23, a fourth valve 24, a fifth valve 25, a sixth valve 26, a seventh valve 27,
- the eighth valve 28, the drive controller 9, the first temperature measuring sensor 7a, the second temperature measuring sensor 7b and the temperature measuring guide are due to the first valve 21, the second valve 22, the third valve 23, the fourth valve 24, and the fifth
- the valve 25, the sixth valve 26, the seventh valve 27 and the eighth valve 28 are independent of each other, and the magnitude and phase of the gas flow entering the regenerator can separately adjust the fifth valve 25 and the sixth valve 26; into the secondary vessel 6
- the first valve 21, the second valve 22 and the seventh valve 27 can be separately adjusted in size and phase of the gas flow;
- the third valve 23, the fourth valve 24, and the eighth valve 28 can be individually adjusted in magnitude and phase of the gas flow in the stage vessel 5.
- the temperature sensor 7 transmits a temperature change signal to the drive controller 9, and the drive controller 9 will change according to the change of the temperature signal.
- 8 independent valves respectively issue commands to adjust the opening amount of the above 8 independent valves to realize the control of the gas volume; in addition, the time of opening or closing the above 8 independent valves can be changed to adjust the gas inlet and outlet relative to each other. Time to achieve gas phase adjustment.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013535276A JP2013540979A (ja) | 2011-09-29 | 2012-01-16 | 気体流量と位相を自動的に調節する装置を有するパルスチューブ冷凍機 |
US13/979,218 US9353977B2 (en) | 2011-09-29 | 2012-01-16 | Pulse tube refrigerator with an automatic gas flow and phase regulating device |
EP12835810.8A EP2762799B1 (en) | 2011-09-29 | 2012-01-16 | Pulse tube refrigerator with device capable of automatically adjusting gas flow rate and phase |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110300559.2 | 2011-09-29 | ||
CN2011103005592A CN102393096A (zh) | 2011-09-29 | 2011-09-29 | 一种带自动调节气体流量和相位装置的脉管制冷机 |
Publications (1)
Publication Number | Publication Date |
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WO2013044604A1 true WO2013044604A1 (zh) | 2013-04-04 |
Family
ID=45860455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2012/070427 WO2013044604A1 (zh) | 2011-09-29 | 2012-01-16 | 一种带自动调节气体流量和相位装置的脉管制冷机 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9353977B2 (zh) |
EP (1) | EP2762799B1 (zh) |
JP (1) | JP2013540979A (zh) |
CN (1) | CN102393096A (zh) |
WO (1) | WO2013044604A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2510912A (en) * | 2013-02-19 | 2014-08-20 | Hymatic Eng Co Ltd | A pulse tube refrigerator/cryocooler apparatus |
CN106840728A (zh) * | 2017-02-22 | 2017-06-13 | 中国科学院上海技术物理研究所 | 一种用于独立评价脉管冷指性能的装置及评价方法 |
Families Citing this family (5)
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CN103512258B (zh) * | 2012-06-19 | 2015-07-08 | 中国科学院理化技术研究所 | 一种液氦温区的v-m型热压缩机驱动的脉冲管制冷机 |
CN104006564B (zh) * | 2013-02-21 | 2018-08-10 | 朱绍伟 | 一种脉管制冷机 |
JP6087168B2 (ja) * | 2013-02-26 | 2017-03-01 | 住友重機械工業株式会社 | 極低温冷凍機 |
JP7186133B2 (ja) * | 2019-05-24 | 2022-12-08 | 住友重機械工業株式会社 | 多段式パルス管冷凍機、および多段式パルス管冷凍機のコールドヘッド |
CN113899100B (zh) * | 2021-11-11 | 2023-02-28 | 上海海洋大学 | 两级脉管制冷机冷却两波段红外探测器件的电子光学装置 |
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- 2011-09-29 CN CN2011103005592A patent/CN102393096A/zh active Pending
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2012
- 2012-01-16 WO PCT/CN2012/070427 patent/WO2013044604A1/zh active Application Filing
- 2012-01-16 US US13/979,218 patent/US9353977B2/en active Active
- 2012-01-16 EP EP12835810.8A patent/EP2762799B1/en active Active
- 2012-01-16 JP JP2013535276A patent/JP2013540979A/ja active Pending
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JPH08254365A (ja) * | 1995-03-15 | 1996-10-01 | Ulvac Japan Ltd | ダブルインレット型パルス管冷凍機及びその運転方法 |
JP2000074518A (ja) * | 1998-08-27 | 2000-03-14 | Aisin Seiki Co Ltd | 冷却装置 |
CN1918441A (zh) * | 2004-02-11 | 2007-02-21 | 住友重机械工业株式会社 | 用于低温致冷器的三通道阀 |
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GB2510912A (en) * | 2013-02-19 | 2014-08-20 | Hymatic Eng Co Ltd | A pulse tube refrigerator/cryocooler apparatus |
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GB2510912B (en) * | 2013-02-19 | 2018-09-26 | The Hymatic Engineering Company Ltd | A pulse tube refrigerator / cryocooler apparatus |
CN106840728A (zh) * | 2017-02-22 | 2017-06-13 | 中国科学院上海技术物理研究所 | 一种用于独立评价脉管冷指性能的装置及评价方法 |
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Also Published As
Publication number | Publication date |
---|---|
US9353977B2 (en) | 2016-05-31 |
JP2013540979A (ja) | 2013-11-07 |
EP2762799A1 (en) | 2014-08-06 |
US20130291566A1 (en) | 2013-11-07 |
EP2762799B1 (en) | 2017-05-31 |
CN102393096A (zh) | 2012-03-28 |
EP2762799A4 (en) | 2016-01-13 |
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