EP1031002A1 - Evaporateur - Google Patents

Evaporateur

Info

Publication number
EP1031002A1
EP1031002A1 EP98955556A EP98955556A EP1031002A1 EP 1031002 A1 EP1031002 A1 EP 1031002A1 EP 98955556 A EP98955556 A EP 98955556A EP 98955556 A EP98955556 A EP 98955556A EP 1031002 A1 EP1031002 A1 EP 1031002A1
Authority
EP
European Patent Office
Prior art keywords
suction pipe
connection point
evaporator
intake manifold
produced
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.)
Granted
Application number
EP98955556A
Other languages
German (de)
English (en)
Other versions
EP1031002B1 (fr
Inventor
Alfred Lang
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
Publication of EP1031002A1 publication Critical patent/EP1031002A1/fr
Application granted granted Critical
Publication of EP1031002B1 publication Critical patent/EP1031002B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines

Definitions

  • the invention relates to an evaporator with a refrigerant channel arrangement and a suction pipe connection point, in which a suction pipe opens and is fixed there in a liquid-tight manner.
  • the suction pipe at the suction pipe connection point is connected to the evaporator in a liquid-tight manner by means of a welded connection.
  • the so-called tungsten inert gas welding is used as the welding process, whereby the welding process cannot be controlled as an automatically occurring process due to the two components to be welded, in particular due to the tolerance and material thickness fluctuations occurring on the evaporator board as a result of the production of the intake manifold connection by means of thickening. Due to the manual welding process of the intake manifold to the intake manifold connection point of the evaporator, it can happen, depending on the worker performing the welding process, that the welded connection has leaks, which then usually have to be eliminated in expensive rework.
  • the object of the invention is to provide, in a vaporizer according to the preamble of claim 1, with simple constructive measures, an automatable connection which avoids the disadvantages of the prior art, between the intake manifold and the intake manifold connection point.
  • this object is achieved in that the suction pipe is inserted into the suction pipe connection point and this is at least further shaped by non-cutting shaping. is adapted to the contour of the intake manifold, which is connected to the intake manifold connection point in a liquid-tight manner by soldering.
  • the inventive solution for connecting the intake manifold connection to the intake manifold, an automated, uninfluenced by a worker manufacturing process is possible because by adapting the intake manifold connection to the contour of the intake manifold, a defined and uniform soldering gap between the two is generated, which by capillary action that for connecting the both connecting elements automatically pulls the necessary solder to the connection point.
  • the intake manifold connection point is connected to the intake manifold free of voids and in a liquid-tight manner, so that the connection between these two components is associated with high process reliability.
  • the solution according to the invention provides an extremely inexpensive, but nevertheless with an extremely high probability, tight connection between the intake manifold and the intake manifold connection point.
  • the non-cutting shaping produces two plastic material deformations which are at least approximately opposite one another at the intake manifold connection point.
  • plastic material deformations in an evaporator with a refrigerant channel arrangement running between two connected circuit boards are particularly inconspicuous and particularly little disruptive if, according to a next preferred embodiment of the object of the invention, it is provided that the plastic material deformations in the circuit board plane of the evaporator lie opposite one another.
  • the narrowing of the intake manifold connection point which is to be produced by means of non-cutting shaping, is particularly simple, for example in a die, if, according to a next advantageous embodiment of the object of the invention, it is provided that the plastic material deformations are produced by embossing.
  • a plate-like evaporator is particularly expedient if, according to a last preferred embodiment of the object of the invention, it is provided that the plate-like evaporator is produced by the roll-bond or the Z-bond method.
  • FIG. 1 shows a detail of an evaporator in the area of its intake manifold connection point, which has been widened to accommodate an intake manifold, in a front view
  • Fig. 3 shows the evaporator section of FIG. 2 with the Drossseirohrung in the intake pipe connection point adapted to the intake manifold door, liquid-tight, in front view and
  • Fig. 4 shows the evaporator section of FIG. 3, cut along the section line III-III.
  • a section of an evaporator board 10 is shown, which is formed by welding two aluminum sheet boards 11 and 12 of equal area, in which, in the present case, a refrigerant channel arrangement 13 produced by the so-called roll bonding process is introduced.
  • This has an intake manifold connection point 14, which is produced by widening, for example by so-called section-wise thinning of the refrigerant channel 13 produced in the roll bonding process in the edge region of the evaporator plate 10, the intake manifold connection point 14 produced having a lens-like cross section.
  • the intake manifold connection point 14 is set back from the free edge of the evaporator plate 10 with a depth stop 15 which is formed by the length I of the refrigerant channel 13 widened to the intake manifold connection point 14 and which is used for introducing a suction tube 16 made of aluminum and shown in sections.
  • the suction pipe 16, the insertion depth into the suction pipe connection point 14 through the depth stop 15 is limited to the Verdampfe ⁇ latine 10 by soldering, the suction pipe connection point 14, which was originally equipped with an oval cross-section after the expansion process, is adapted to the outer contour of the suction pipe 16 by an embossing process before the soldering process.
  • the original suction tube connection point 14 which is of a lens-like cross-section, is deformed without cutting by a die-like tool in such a way that a capillary-like air gap is created between the outer contour of the suction tube 16, which is circular in the present case, and the inner contour created after the deformation process of the suction tube connection point 14, which is used for the production the soldered connection between the suction pipe 16 and the suction pipe connection point 14, the solder 17 used capillary sucks between the connection partners wetted with flux, so that voids formation in the connection area between the suction pipe 16 and the suction pipe connection point 14 is avoided.
  • the aluminum plates 11 and 12 are plastically deformed by the non-cutting shaping by means of embossing, the plastic material deformation being in the plane of the evaporator plate 10.
  • the invention can also be applied to evaporators manufactured using the Z-bonding method and to wire tube evaporators for the liquid-tight connection of the suction pipe 16 to the suction pipe connection point 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

L'invention concerne un évaporateur comportant un canal pour agent frigorigène et une zone de raccordement de tuyau d'aspiration, dans laquelle un tuyau d'aspiration débouche et est fixé de façon étanche aux liquides. Ce tuyau d'aspiration est introduit dans cette zone de raccordement, laquelle est adaptée, par façonnage sans enlèvement de copeaux, au moins dans une large mesure au contour du tuyau d'aspiration.
EP98955556A 1997-11-11 1998-11-09 Evaporateur Expired - Lifetime EP1031002B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29720004U DE29720004U1 (de) 1997-11-11 1997-11-11 Verdampfer
DE29720004U 1997-11-11
PCT/EP1998/007142 WO1999024770A1 (fr) 1997-11-11 1998-11-09 Evaporateur

Publications (2)

Publication Number Publication Date
EP1031002A1 true EP1031002A1 (fr) 2000-08-30
EP1031002B1 EP1031002B1 (fr) 2003-03-12

Family

ID=8048469

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98955556A Expired - Lifetime EP1031002B1 (fr) 1997-11-11 1998-11-09 Evaporateur

Country Status (9)

Country Link
EP (1) EP1031002B1 (fr)
CN (1) CN1155789C (fr)
BR (1) BR9814019A (fr)
DE (2) DE29720004U1 (fr)
ES (1) ES2194363T3 (fr)
PL (1) PL186946B1 (fr)
RU (1) RU2204091C2 (fr)
TR (1) TR200001339T2 (fr)
WO (1) WO1999024770A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10221457A1 (de) * 2002-05-15 2003-11-27 Behr Gmbh & Co Wärmeübertrager und Verfahren zu seiner Herstellung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1130038A (en) * 1965-12-16 1968-10-09 R & G Schmoele Metallwerke K G Refrigerating equipment for refrigerator cabinets or the like
DE2616586A1 (de) * 1976-04-14 1977-11-03 Metallgesellschaft Ag Anschluss- und verbindungsstuecke fuer kanalbleche und verfahren zu deren herstellung
DD255199A1 (de) * 1986-12-19 1988-03-23 Dkk Scharfenstein Veb Einrohranschluss an verdampfer fuer haushaltkuehl- und -gefriergeraete
SU1719820A1 (ru) * 1989-04-25 1992-03-15 Марийское специальное конструкторско-технологическое бюро торгового холодильного оборудования Испаритель
JP3022970B2 (ja) * 1989-06-02 2000-03-21 臼井国際産業株式会社 分岐接続用継手本体、継手およびその接続方法
RU2080530C1 (ru) * 1994-01-06 1997-05-27 Акционерное общество открытого типа "Златоустовский завод холодильников "Полюс" Испарительный блок холодильного агрегата
GB9417551D0 (en) * 1994-09-01 1994-10-19 Norfrost Ltd Improvements in or relating to refrigeration apparatus
DE4436777A1 (de) * 1994-10-14 1996-04-25 Wielage Bernhard Dr Gasdichte Verbindungen zwischen Rohren mit kleinen Durchmessern

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9924770A1 *

Also Published As

Publication number Publication date
CN1155789C (zh) 2004-06-30
PL186946B1 (pl) 2004-04-30
CN1277668A (zh) 2000-12-20
RU2204091C2 (ru) 2003-05-10
TR200001339T2 (tr) 2000-08-21
PL340363A1 (en) 2001-01-29
EP1031002B1 (fr) 2003-03-12
BR9814019A (pt) 2000-09-26
DE29720004U1 (de) 1998-02-26
ES2194363T3 (es) 2003-11-16
DE59807495D1 (de) 2003-04-17
WO1999024770A1 (fr) 1999-05-20

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