EP1030134B1 - Plaque d'évaporateur - Google Patents

Plaque d'évaporateur

Info

Publication number
EP1030134B1
EP1030134B1 EP00101901A EP00101901A EP1030134B1 EP 1030134 B1 EP1030134 B1 EP 1030134B1 EP 00101901 A EP00101901 A EP 00101901A EP 00101901 A EP00101901 A EP 00101901A EP 1030134 B1 EP1030134 B1 EP 1030134B1
Authority
EP
European Patent Office
Prior art keywords
evaporator plate
capillary tube
end section
channel end
connecting member
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.)
Expired - Lifetime
Application number
EP00101901A
Other languages
German (de)
English (en)
Other versions
EP1030134A2 (fr
EP1030134A3 (fr
Inventor
Heinz Hübner
Friedrich Arnold
Michael Howe
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete 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
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to SI200030906T priority Critical patent/SI1030134T1/sl
Publication of EP1030134A2 publication Critical patent/EP1030134A2/fr
Publication of EP1030134A3 publication Critical patent/EP1030134A3/fr
Application granted granted Critical
Publication of EP1030134B1 publication Critical patent/EP1030134B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F25B39/022—Evaporators with plate-like or laminated elements
    • F25B39/024—Evaporators with plate-like or laminated elements with elements constructed in the shape of a hollow panel
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/37—Capillary tubes
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/052—Compression system with heat exchange between particular parts of the system between the capillary tube and another part of the refrigeration 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/054—Compression system with heat exchange between particular parts of the system between the suction tube of the compressor and another part of the cycle

Definitions

  • the invention relates to an evaporator plate having at least one refrigerant channel arranged thereon, which has at least one outflow-side channel end section connected to a suction line and which has at least one inflow-side channel end section with a refrigerant injection point formed by the capillary tube, via a capillary tube serving as a throttle.
  • Such a procedure may involve the formation of chips at the end of the flared portion due to the flaring process and the end of the capillary tube inserted into the flared portion being eccentric to the cross section due to the clearance created by the flaring operation after the coining operation the refrigerant channel is arranged.
  • Such influences which can be checked and controlled after the completion of the refrigerant injection point, if at all only under an economically unreasonable expense in a mass production, have the consequence that the refrigerant flowing into the refrigerant via the injection point a refrigerant lying well above the normal level injection noise caused, which is perceived as unpleasant and disturbing when set up in the living area refrigerators.
  • Document DE-A-9217405 discloses an evaporator plate according to the preamble of claim 1.
  • the invention has for its object to improve an evaporator plate according to the preamble of claim 1 with simple design measures in terms of noise emission.
  • the means are formed as a tube-like fitting upstream of the inflow-side channel end portion, which serves to connect the capillary tube and which is connected via elastic connecting elements to the inflow-side channel end portion and the outflow-side channel end portion.
  • connection point is created at the same time by the fitting for serving as a throttle capillary, which is aufschlagt in comparison with the known conventional, directly generated on the evaporator board connection points with a very low mass compared to their excitation, if any, then an extremely low excitation which can effect with in relation to high mass afflicted evaporator plate.
  • the structure-borne noise emanating from the evaporator plate as a consequence of the refrigerant flowing through the injection point is significantly reduced.
  • the displacement of the injection point opens into the fitting the ability to select the cross section of serving as injection port fitting without effect on the design of the evaporator plate, in particular the design of the refrigerant channel arranged there targeted, according to the needs.
  • the means are formed as a fluidically upstream of the inflow end Kanalendabrough, mechanically and fluidly decoupled from the drain-side Kanalendabrough connector, to which the capillary tube is connected.
  • the tube-like connecting piece is arranged within a recess introduced into the evaporator plate.
  • connection point is visible and thus controllable in terms of a high quality of the evaporator blanks by a cost visual inspection.
  • the recess-free, serving as an injection port fitting can be provided with sound-absorbing material.
  • a particularly favorable decoupling of serving as an injection point fitting of the evaporator plate is obtained when it is provided according to a next advantageous embodiment of the subject invention that the inflow side Kanalendabites is arranged with the connecting piece connected thereto at least over the connection length within the recess.
  • the tube-like connecting piece has at least one truncated cone-like longitudinal portion, at its end equipped with a smaller cross-sectional area, the capillary tube is connected.
  • a particularly quiet evaporator variant is obtained when it is provided according to a further preferred embodiment of the subject invention that the capillary outside the outflow end Kanalendabiteses fed to the inflow side Kanalendabrough and is fluidically connected thereto.
  • the capillary within the suction line extends into the vicinity of the outflow Kanalendabiteses and at a distance in front of this out of the suction line and connected to the connector.
  • the capillary tube is guided along the lateral surface of the suction line and connected to the connecting piece.
  • An evaporator plate can be operated particularly quietly when, according to a last preferred embodiment of the subject invention, at least the inflow-side channel end section and the connecting piece serving for connection of the capillary tube are embedded in sound-absorbing material.
  • an evaporator plate 10 is shown in a simplified schematic representation, which has a coolant channel 11 extending in a meandering manner on its surface, for example in the roll-bonded or Z-bonded method. This has a double-flow with him connected and einziehig zoom brought to the edge of the evaporator plate 10 outflow channel end portion 12, which serves to connect a liquid and gas tight within the traversed cross section of the Kanalendabismees 12 suction tube 13.
  • capillary tube 14 which serves as a throttle for the liquefied refrigerant and which in the vicinity of the connection point of the suction tube 13 to the channel end portion 12 via a not closer designated outlet opening led out of the suction pipe 13 from this and is transferred with its free end portion 15 in a Aussparrung 16 in the evaporator plate 10.
  • a sinker 17 which is cut free by the recess 16 at its the evaporator plate 10 facing side edges 18 to avoid vibration transmission to the evaporator plate 10.
  • the sinker 17 is provided with a portion of the refrigerant passage 11, which is formed as an inflow-side channel end portion 19 and opens within the recess 16.
  • tube-shaped fitting 20 is connected liquid and gas tight.
  • the tube-like connecting piece 20 has a portion 21 for coupling to the channel end portion 19 serving with parallel generatrix lines and an adjoining portion 22 which is formed in the manner of a truncated cone. With the section 22 of the end portion 15 of the capillary tube 14 is liquid and gas tight connected, whereby an injection point 23 disposed within the connector 22 is provided for flowing within the capillary tube 14 refrigerant.
  • the refrigerant injection point 23 By the formation of the refrigerant injection point 23 within the fitting 20, this is connected to the evaporator plate 10 only via the connecting piece 20 serving as the refrigerant injection pipe, so that the vibrations and vibrations caused due to the capillary tube flowing at high speed only indirectly, namely via the fitting 20 are transferred to the evaporator plate 10, whereby the usually occurring injection noise is significantly reduced.
  • the refrigerant injection point 23 and its surroundings can be surrounded by their arrangement within the recess 16 all around with sound-absorbing material.
  • the noise emission at the refrigerant injection point 23 is counteracted by the diffuser-like configuration of the portion 22 of the connecting piece 20 serving to connect the end portion 15.
  • FIG. 2 shows a second embodiment variant of an evaporator plate 30 according to the invention, which, like the evaporator plate 10, extends at least approximately meandering over its surface, for example in FIG Rollbond or Z-Bond method has generated refrigerant channel 31.
  • This has a arranged in the upper third of the evaporator plate 30 inflow-side channel end portion 32, the free end of a pipe-like fitting 33 belonging portion 34 receives, wherein the connecting piece 33 is formed in the present case in the manner of a circular hollow cylinder.
  • the connecting piece 33 has a section 35 formed in the manner of a truncated cone.
  • the fitting 33 is liquid-and gas-tightly connected to the lower cross-sectional end of its truncated cone-like portion 35 with a free end portion 41 as a throttle, belonging to a capillary tube 40, the end portion 41 projecting into the frustoconical portion 35 to form a refrigerant injection site 42 ,
  • the capillary tube 40 which is guided within the drain-side Kanalendabitess 36 of the connecting piece 37 to the connecting portion 38, extends outside the evaporator plate 30 within a liquid and gas-tight connected to the connecting portion 38 suction pipe 43, whereby the capillary tube 40 to improve the energy efficiency of the refrigerant circuit cooled down.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Removal Of Water From Condensation And Defrosting (AREA)

Claims (10)

  1. Plaque d'évaporateur (10) sur laquelle est disposé au moins un canal (11) de fluide frigorifique qui possède au moins une partie d'extrémité (12) de canal située du côté de sa sortie, raccordé à un conduit d'aspiration et au moins une partie d'extrémité (19) du canal située du côté de l'entrée et pouvant recevoir du fluide frigorifique par un tube capillaire (14) qui sert d'étranglement, cette partie présentant un emplacement (23) d'injection de fluide frigorifique formé par le tube capillaire, caractérisée en ce que des moyens (16, 20; 33, 39) sont prévus pour coupler l'emplacement (23, 24) d'injection de fluide frigorifique à la plaque d'évaporateur (10, 30) de manière à amortir au moins très largement le bruit.
  2. Plaque d'évaporateur selon la revendication 1, caractérisée en ce que les moyens sont configurés sous la forme d'une pièce tubulaire de raccordement (33) qui est située en amont de la partie d'extrémité (32) du canal située du côté de l'entrée et qui présente l'emplacement (23, 42) d'injection de fluide frigorifique, qui sert à raccorder le tube capillaire (40) et qui est reliée par des éléments élastiques de liaison (39) à la partie d'extrémité (32) du canal située du côté de l'entrée et à la partie d'extrémité (36) du canal située du côté de la sorite.
  3. Plaque d'évaporateur selon la revendication 1, caractérisée en ce que les moyens sont configurés comme pièce de raccordement (20) à laquelle le tube capillaire (14) est raccordé, qui est prévue en amont de la partie d'extrémité (19) du canal située du côté de l'entrée et qui présente l'emplacement (23, 42) d'injection de fluide frigorifique tout en étant découplée mécaniquement et en termes d'écoulement vis-à-vis de la partie d'extrémité (12) du canal située du côté de la sortie.
  4. Plaque d'évaporateur selon l'une des revendications 1 à 3, caractérisée en ce que la pièce tubulaire de raccordement (20, 33) est disposée dans une découpe (16) ménagée dans la plaque d'évaporateur (10).
  5. Plaque d'évaporateur selon la revendication 4, caractérisée en ce que la partie d'extrémité (19, 32) du canal située du côté de l'entrée est disposée avec la pièce de raccordement (20, 33) qui lui est raccordée à l'intérieur de la découpe (16), au moins sur sa longueur de raccordement.
  6. Plaque d'évaporateur selon l'une des revendications 1 à 5, caractérisée en ce que la pièce tubulaire de raccordement (20, 33) présente au moins une partie de sa longueur configurée en tronc de cône dont l'extrémité qui a la plus petite section transversale est raccordée au tube capillaire (14, 40).
  7. Plaque d'évaporateur selon l'une des revendications 1 à 6, caractérisée en ce que le tube capillaire (14) est prolongé jusqu'à la partie d'extrémité (19) du canal située du côté de l'entrée et est relié à cette dernière en termes d'écoulement à l'extérieur de la partie d'extrémité (12) du canal située du côté de la sortie.
  8. Plaque d'évaporateur selon l'une des revendications 1 à 7, caractérisée en ce que le tube capillaire (14) s'étend dans le tube d'aspiration (13) jusqu'à proximité de la partie d'extrémité (12) du canal située du côté de la sortie, est prolongé hors du conduit d'aspiration (13) à distance de cette partie et est raccordé à la pièce de raccordement (20).
  9. Plaque d'évaporateur selon l'une des revendications 1 à 7, caractérisée en ce que le tube capillaire (14) longe la surface d'enveloppe du conduit d'aspiration (13) et est raccordé à la pièce de raccordement (20).
  10. Plaque d'évaporateur selon l'une des revendications 4 ou 5 ou selon l'une des revendications 6 à 9 dans la mesure où elles sont dépendantes des revendications 4 ou 5, caractérisée en ce qu'au moins la partie d'extrémité (19, 32) du canal située du côté de l'entrée et disposée à l'intérieur de la découpe (16) ainsi que la pièce de raccordement (20, 33) qui sert à raccorder le tube capillaire (14, 40) sont englobées dans un matériau acoustiquement isolant.
EP00101901A 1999-02-19 2000-01-31 Plaque d'évaporateur Expired - Lifetime EP1030134B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200030906T SI1030134T1 (sl) 1999-02-19 2000-01-31 Izparilna plosca

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19907183 1999-02-19
DE19907183A DE19907183A1 (de) 1999-02-19 1999-02-19 Verdampferplatine

Publications (3)

Publication Number Publication Date
EP1030134A2 EP1030134A2 (fr) 2000-08-23
EP1030134A3 EP1030134A3 (fr) 2002-07-10
EP1030134B1 true EP1030134B1 (fr) 2006-08-16

Family

ID=7898179

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00101901A Expired - Lifetime EP1030134B1 (fr) 1999-02-19 2000-01-31 Plaque d'évaporateur

Country Status (4)

Country Link
EP (1) EP1030134B1 (fr)
DE (2) DE19907183A1 (fr)
ES (1) ES2269030T3 (fr)
SI (1) SI1030134T1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10237133A1 (de) * 2002-08-13 2004-02-26 BSH Bosch und Siemens Hausgeräte GmbH Wärmetauscher-Turbine-Anordnung
AR039811A1 (es) * 2003-05-13 2005-03-02 Sergio Daniel Novoa Disposicion intercambiadora de calor para sistemas de refrigeracion por compresion
DE102008043653A1 (de) * 2008-11-11 2010-05-20 BSH Bosch und Siemens Hausgeräte GmbH Saug-Drosselrohraufbau, einen diesen verwendender Verdampfer und ein Haushaltskältegerät mit dem Saug-Drosselrohraufbau bzw. mit einem diesen verwendenden Verdampfer
DE102009002646A1 (de) * 2009-04-24 2010-10-28 BSH Bosch und Siemens Hausgeräte GmbH Verdampfer und damit ausgestattetes Kältegerät
DE102011078319A1 (de) * 2011-06-29 2013-01-03 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät
DE102013021350A1 (de) * 2013-12-04 2015-06-11 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2776550A (en) * 1952-10-21 1957-01-08 Gen Electric Capillary adaptor
DE973828C (de) * 1953-10-01 1960-06-15 Gen Motors Corp Kaelteeinrichtung fuer Kuehlschraenke
US2992546A (en) * 1955-11-14 1961-07-18 Westinghouse Electric Corp Inlet structure for refrigerant evaporator
DE7338368U (de) * 1972-10-30 1974-04-04 General Motors Corp Klimagerät, vorzugsweise für Automobile
DE7425651U (de) * 1974-07-27 1976-03-04 Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart Verdampferplatine, insbesondere walzgeschweisste verdampferplatine
JPH01181046A (ja) * 1988-01-12 1989-07-19 Matsushita Seiko Co Ltd 空気調和機の冷凍サイクルの減圧装置
DE9116265U1 (fr) * 1991-06-22 1992-09-03 Krupp Vdm Gmbh, 5980 Werdohl, De
DE9217405U1 (fr) * 1992-03-30 1993-02-18 Km-Schmoele Gmbh, 5750 Menden, De
DE4321072A1 (de) * 1993-06-24 1995-01-05 Bosch Siemens Hausgeraete Verbindung zwischen zwei Rohren
JPH08296924A (ja) * 1995-04-24 1996-11-12 Matsushita Refrig Co Ltd 冷凍装置
JPH1078271A (ja) * 1996-09-04 1998-03-24 Showa Alum Corp キャピラリチューブの冷媒吐出音防止構造

Also Published As

Publication number Publication date
DE19907183A1 (de) 2000-08-24
SI1030134T1 (sl) 2007-02-28
ES2269030T3 (es) 2007-04-01
DE50013313D1 (de) 2006-09-28
EP1030134A2 (fr) 2000-08-23
EP1030134A3 (fr) 2002-07-10

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