EP2710263B1 - Dispositif de compresseur - Google Patents

Dispositif de compresseur Download PDF

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Publication number
EP2710263B1
EP2710263B1 EP12745677.0A EP12745677A EP2710263B1 EP 2710263 B1 EP2710263 B1 EP 2710263B1 EP 12745677 A EP12745677 A EP 12745677A EP 2710263 B1 EP2710263 B1 EP 2710263B1
Authority
EP
European Patent Office
Prior art keywords
compressor
previous
arrangement
cooler
drive device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12745677.0A
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German (de)
English (en)
Other versions
EP2710263A1 (fr
Inventor
Jens HÖHNE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pressure Wave Systems GmbH
Original Assignee
Pressure Wave Systems GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102011080377.7A external-priority patent/DE102011080377B4/de
Priority claimed from DE201220100995 external-priority patent/DE202012100995U1/de
Application filed by Pressure Wave Systems GmbH filed Critical Pressure Wave Systems GmbH
Publication of EP2710263A1 publication Critical patent/EP2710263A1/fr
Application granted granted Critical
Publication of EP2710263B1 publication Critical patent/EP2710263B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
    • F04B45/053—Pumps having fluid drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
    • F04B19/20—Other positive-displacement pumps
    • F04B19/22—Other positive-displacement pumps of reciprocating-piston type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/06—Combinations of two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/103—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber
    • F04B9/105—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting liquid motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
    • F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
    • F04B9/125—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/01—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being mechanical

Definitions

  • the invention relates to a compressor device and a cooling device equipped therewith and a refrigeration machine equipped therewith.
  • pulse tube coolers or Gifford-McMahon coolers are used for cooling magnetic resonance tomographs, cryopumps, etc.
  • Gas and especially helium compressors are used in combination with rotary or rotary valves as they are used in Fig. 4 is shown.
  • a helium compressor 130 is connected to a rotary valve 136 via a high pressure line 132 and a low pressure line 134.
  • the rotary valve 136 is connected via a gas line 138 to a cooling device 110 in the form of a Gifford-McMahon cooler or a pulse tube cooler.
  • the rotary valve 136 alternately the high and low pressure side of the gas compressor 130 is connected to the pulse tube cooler or the Gifford-McMahon cooler.
  • the rate at which compressed helium is introduced and re-exported to the cooling device 138 is in the range of 1 Hz.
  • a disadvantage of such cooling or compressor systems is that the motorized rotary valve 136 causes losses of approximately 50% of the input power of the compressor.
  • acoustic compressors or high-frequency compressors in which one or more pistons are caused by a magnetic field in linear resonant vibrations. These resonant frequencies are in the range of a few 10 Hz and are therefore not suitable for use with pulse tube coolers and Gifford-McMahon coolers to produce very low temperatures in the lower than 10 K range
  • the DE-A-633 104 discloses a compressor device having a compressor device in which a working fluid is periodically compressed and re-expanded by a reciprocating compressor element in the form of a piston.
  • the drive device comprises a pressure cylinder with a reciprocating piston.
  • the drive device is mechanically coupled to the compressor element.
  • Both drive device, as well as compressor element are constructed with individual pressure cylinders in which a compressor, or compressor piston is mounted.
  • Drive device and compressor element are mechanically connected, the bushings are sealed from the pressure cylinders.
  • This structure requires a relatively large space requirement of the apparatus, since the printing cylinders are arranged in series.
  • the design enforces the use of two pistons, as well as two feedthroughs, which are structurally complex and prone to failure in terms of tightness.
  • the CH-A-244 433 discloses a compressor device having a compressor device in which a working medium is periodically compressed by a reciprocating compressor element in the form of a piston and a drive device comprising a hydraulic piston which is connected via a coupling rod to the compressor element in the form of a piston.
  • the compressor device is preferably divided by the compressor element into a gas volume and a fluid volume.
  • the working medium expansion tank is open in the direction of gas volume check valve with the gas volume - claim 2.
  • a fluid expansion tank can be provided, which is connected via a fluid line directly to the fluid volume.
  • the balancing fluid in the fluid reservoir is not the working fluid but another gas or fluid.
  • an oil, in particular hydraulic oil can be used.
  • the manner of compression both in terms of time and in terms of the compressor pressure to the respective working medium can be adjusted.
  • the compressor device according to the invention can be adapted to different working media, so that can be compressed with the compressor device a wide variety of gases.
  • the drive means may be mechanically or magnetically coupled to a plurality of compressor means. This leads to a reduction in costs, since only one drive device is necessary.
  • the compressor device can be designed both as a conveying compressor device - claim 10, if it is used, for example, to drive a conventional chiller, or only compress a certain volume of gas and relax repeatedly. The latter is e.g. necessary for operation of the aforementioned Gifford McMahon coolers and pulse tube coolers.
  • the direction of movement of the hydraulic cylinder is controlled by the direction of rotation of the electric motor - claim 13.
  • the formed as Ver Whyrlement first end 20 of the coupling rod 18 may additionally with a membrane, preferably made of metal - claim 14 - or with a bellows - claim 15 - be connected.
  • the membrane is made of metal, as a result, the helium tightness can be ensured.
  • Fig. 1 shows a first embodiment of the present invention with a compressor device 2, which can be coupled to a cooling device.
  • the compressor device 2 in turn comprises a compressor device 6, which is driven by an electro-hydrostatic drive device 8.
  • the compressor device 6 comprises a gas-tight compressor cylinder 10 in which a compressor element 12 is arranged to be linearly movable.
  • the compressor element 12 projects into a gas volume 14 to be compressed in the compressor cylinder 10.
  • the hydraulic cylinder 36 is connected directly to the compressor cylinder 10 and the junction of hydraulic cylinder 36 and compressor cylinder 10 is designed to be gas-tight with an O-ring 82.
  • a coupling rod 18 comprises a first and a second end 20, 22.
  • the first end 20 of the coupling rod 18 projecting into the compressor cylinder 10 is designed as a compressor element 12.
  • the gas volume 14 in the compressor cylinder 10 is periodically reduced and increased again.
  • a working medium expansion tank 25 is connected via a second gas line 27 with check valve 28 with the gas volume to be compressed 14.
  • the cross section or the inner diameter of the compressor cylinder 10 is only slightly larger than the cross section or outer diameter of the coupling rod 18.
  • the distance between the coupling rod 18 and inside of the compressor cylinder 10 is as small as possible, but no seal between the coupling rod 18 and the inside of the compression cylinder 10 done.
  • the sealing and the inclusion of the working medium takes place through the O-ring 82.
  • the drive of the compressor device 6 takes place through the electro-hydrostatic drive device 8.
  • the electro-hydrostatic drive device 8 comprises an electric motor which drives a hydraulic pump.
  • the hydraulic pump pumps hydraulic fluid via a first hydraulic line into the hydraulic cylinder 36 in which a hydraulic piston 38 is arranged to be linearly movable.
  • the hydraulic piston 38 divides the hydraulic cylinder 36 into a first and a second partial volume 40, 42.
  • the first hydraulic line opens into the first partial volume 40 and from the second partial volume 42 branches off from a second hydraulic line, which leads back into the hydraulic pump.
  • the hydraulic piston 38 is reciprocated in the hydraulic cylinder 36.
  • the hydraulic piston 38 is connected to the second end 22 of the coupling rod 18, which projects via a liquid-tight passage 24 in the gas volume to be compressed 14.
  • the movement of the hydraulic piston 38 is transmitted to the compressor element 12 in the form of the first end 20 of the coupling rod 18, so that the gaseous working fluid in the gas volume to be compressed 14 of the compressor cylinder 10 by the movement of the hydraulic piston 38 and the coupled thereto movement of the compressor element 12th is compressed periodically.
  • This also allows the working pressure range of the compressor device 6 to be stabilized. The reduction in volume of the working medium by cooling in the thus operated cooling device can thus be compensated.
  • Fig. 2 shows a compressor device 90 of a second embodiment of the invention, wherein the compressor device 90 is arranged separately from the drive means.
  • the protruding into the compressor cylinder 10 first end 20 of the coupling rod 18 is surrounded by a gas-tight bellows 92 which forms the compressor element of the compressor device 90 together with the protruding into the compressor cylinder 10 first end 20 of the coupling rod 18.
  • the bellows 92 is connected in a gastight manner to the inside of the compressor cylinder 10. In this way, the passage 24 for the coupling rod 18 in the compressor cylinder 10 must not be made gas-tight. The sealing of the gas volume 14 to be compressed takes place through the bellows 92.
  • a fluid volume 96 results within the bellows 92.
  • the fluid volume 96 is then connected directly to a further fluid reservoir 98 via a fluid line 94.
  • the balancing fluid in the fluid reservoir 98 is not the working fluid but another gas or fluid.
  • an oil, in particular hydraulic oil can be used.
  • This variant of the invention is in Fig. 2 shown in dashed lines.
  • Fig. 3 shows a compressor device 110 of a third embodiment of the invention.
  • the compressor device 110 differs from the compressor device 90 according to Fig. 2 in that the first end 20 of the coupling rod acting as the compressor element is additionally connected to a metal diaphragm 112.
  • the first end 20 of the coupling rod 18 is centrally connected to the membrane 112.
  • the membrane 112 divides the compressor cylinder 10 into the gas volume to be compressed 14 and into the Fluid volume 96.
  • the working medium balancing container 25 is connected via a first gas line 26 directly to the fluid volume 96 and via the second gas line 27 with check valve 28 to the gas volume 14.
  • the fluid volume 96 separated by the membrane 112 may also be connected to the fluid reservoir 98, as in the second embodiment Fig. 2 is described.
  • the gas volume 14 of the compressor device 110 to be compressed is connected to a cooling device 4 via a gas line 48.
  • the cooling device 4 is in this case a cooling device which uses periodically compressed gas for its operation.
  • the cooling device is for a Gifford-McMahon cooler or a pulse tube refrigerator.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
  • Reciprocating Pumps (AREA)

Claims (18)

  1. Dispositif de compresseur avec
    un dispositif de compression (6 ; 90 ; 110), dans lequel un agent de travail est compressé périodiquement par un élément de compression (18 ; 18, 92 ; 18, 112) se déplaçant alternativement, et
    un dispositif d'entraînement (8) qui est relié mécaniquement par le biais d'une tige de couplage (18) à l'élément de compression (18 ; 18, 92 ; 18, 112), caractérisé en ce que l'extrémité éloignée du dispositif d'entraînement (8) de la tige de couplage (18) est réalisée comme élément de compression (18) et en ce que le dispositif de compression (6 ; 90 ; 110) est relié à un réservoir de compensation d'agent de travail (25).
  2. Dispositif de compresseur selon la revendication 1, caractérisé en ce que l'élément de compression (18 ; 18, 92 ; 18, 112) sépare le dispositif de compression (6 ; 90) en un volume de gaz (14) et en un volume de fluide (96) et en ce que le réservoir de compensation d'agent de travail (25) est relié au volume de gaz (14) par un clapet antiretour (28) ouvert en direction du volume de gaz (14).
  3. Dispositif de compresseur selon la revendication 2, caractérisé en ce que le volume de fluide (96) est relié par le biais d'une conduite (94) à un réservoir de compensation de fluide (98).
  4. Dispositif de compresseur selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif d'entraînement (8) présente un dispositif de commande, à l'aide duquel la compression de l'agent de travail est effectuée selon un modèle prédéterminé, en particulier selon un modèle qui se modifie temporairement.
  5. Dispositif de compresseur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un filtre est monté en aval du dispositif de compression (6 ; 90 ; 110).
  6. Dispositif de compresseur selon l'une quelconque des revendications précédentes, caractérisé en ce que l'agent de travail est de l'hélium.
  7. Dispositif de compresseur selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif d'entraînement (8) entraîne une pluralité de dispositifs de compression.
  8. Dispositif de compresseur selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif d'entraînement (8) et le dispositif de compression (6) présentent chacun un boîtier étanche au gaz (36, 10) et en ce que les deux boîtiers (36, 10) sont reliés entre eux de manière étanche au gaz.
  9. Dispositif de compresseur selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de compression (6 ; 90 ; 110) est conçu pour une gamme de fréquence de travail entre 0,1 et 10 Hz et en particulier pour une gamme de fréquence de travail entre 0,5 et 5 Hz.
  10. Dispositif de compresseur selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de compression (6 ; 90 ; 110) est réalisé comme dispositif de compression refoulant.
  11. Dispositif de compresseur selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif d'entraînement (8) est un dispositif d'entraînement électrohydrostatique.
  12. Dispositif de compresseur selon la revendication 11, caractérisé en ce que le dispositif d'entraînement (8) électrohydrostatique présente un moteur électrique, une pompe hydraulique entraînée par le moteur électrique qui est reliée à un vérin hydraulique (36), dans lequel un piston hydraulique est agencé de manière mobile linéairement, dans lequel le piston hydraulique est couplé mécaniquement au dispositif de compression (6).
  13. Dispositif de compresseur selon la revendication 12, caractérisé en ce que le sens de déplacement du vérin hydraulique (36) est commandé par le sens de rotation du moteur électrique.
  14. Dispositif de compresseur selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de compression (18, 112) comporte une membrane (112) qui se compose de préférence de métal.
  15. Dispositif de compresseur selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de compression (18, 92) comporte un soufflet (92).
  16. Dispositif de refroidissement avec un dispositif de compresseur selon l'une quelconque des revendications précédentes et un refroidisseur Gifford-McMahon ou un refroidisseur à tube à gaz pulsé, dans lequel le dispositif de compression (6 ; 90 ; 110) est couplé au refroidisseur Gifford-McMahon ou au refroidisseur à tube à gaz pulsé.
  17. Dispositif de refroidissement selon la revendication 16, caractérisé en ce que le dispositif de compression (6) présente un raccord haute pression et en ce que le refroidisseur Gifford-McMahon ou le refroidisseur à tube à gaz pulsé est relié au raccord haute pression du dispositif de compression (6 ; 90 ; 110) et/ou en ce que le dispositif de compression (6 ; 90 ; 110) présente un raccord basse pression et en ce que le refroidisseur Gifford-McMahon ou le refroidisseur à tube à gaz pulsé est relié au raccord basse pression du dispositif de compression (6 ; 90 ; 110).
  18. Machine frigorifique à compresseur avec un dispositif de compresseur (2 ; 90 ; 110) selon l'une quelconque des revendications précédentes 1 à 15, un évaporateur et un condensateur.
EP12745677.0A 2011-08-03 2012-08-02 Dispositif de compresseur Active EP2710263B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011080377.7A DE102011080377B4 (de) 2011-08-03 2011-08-03 Kühlvorrichtung mit Kompressorvorrichtung sowie Gifford-McMahon-Kühler oder Pulsrohrkühler
DE201220100995 DE202012100995U1 (de) 2012-03-20 2012-03-20 Kompressorvorrichtung
PCT/EP2012/065183 WO2013017669A1 (fr) 2011-08-03 2012-08-02 Dispositif de compression ainsi qu'un dispositif de réfrigération qui en est équipé et une machine frigorifique qui en est équipée

Publications (2)

Publication Number Publication Date
EP2710263A1 EP2710263A1 (fr) 2014-03-26
EP2710263B1 true EP2710263B1 (fr) 2016-09-14

Family

ID=46640673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12745677.0A Active EP2710263B1 (fr) 2011-08-03 2012-08-02 Dispositif de compresseur

Country Status (4)

Country Link
US (1) US10578099B2 (fr)
EP (1) EP2710263B1 (fr)
JP (1) JP6209160B2 (fr)
WO (1) WO2013017669A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022115715A1 (de) 2022-06-23 2023-12-28 Pressure Wave Systems Gmbh Kompressorvorrichtung und Kühlvorrichtung mit Kompressorvorrichtung

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WO2015166298A1 (fr) * 2014-04-30 2015-11-05 Anthony George Hurter Appareil et procédé de purification de fioul usagé à l'eau supercritique
FR3068087B1 (fr) * 2017-06-21 2020-01-03 Valeo Systemes D'essuyage Systeme de compression d'un gaz destine a secher au moins un capteur de vehicule automobile
CN114856991B (zh) * 2021-01-20 2024-06-04 浙江雪波蓝科技有限公司 热力泵、具有该热力泵的朗肯循环系统及其应用

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US20140147296A1 (en) 2014-05-29
JP2014526012A (ja) 2014-10-02
US10578099B2 (en) 2020-03-03
JP6209160B2 (ja) 2017-10-04
EP2710263A1 (fr) 2014-03-26

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