EP1756486A1 - Evaporateur pour appareil frigorifique et procede de production de cet evaporateur - Google Patents

Evaporateur pour appareil frigorifique et procede de production de cet evaporateur

Info

Publication number
EP1756486A1
EP1756486A1 EP05754576A EP05754576A EP1756486A1 EP 1756486 A1 EP1756486 A1 EP 1756486A1 EP 05754576 A EP05754576 A EP 05754576A EP 05754576 A EP05754576 A EP 05754576A EP 1756486 A1 EP1756486 A1 EP 1756486A1
Authority
EP
European Patent Office
Prior art keywords
refrigerant tube
circuit board
adhesive
heat exchanger
evaporator
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
EP05754576A
Other languages
German (de)
English (en)
Other versions
EP1756486B2 (fr
EP1756486B1 (fr
Inventor
Detlef Cieslik
Thorsten Kusnik
Berthold Pflomm
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34970967&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1756486(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1756486A1 publication Critical patent/EP1756486A1/fr
Application granted granted Critical
Publication of EP1756486B1 publication Critical patent/EP1756486B1/fr
Publication of EP1756486B2 publication Critical patent/EP1756486B2/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
    • F28D1/0478—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag the conduits having a non-circular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • F28F1/22—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means having portions engaging further tubular elements
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/02—Details of evaporators
    • F25B2339/023—Evaporators consisting of one or several sheets on one face of which is fixed a refrigerant carrying coil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
    • F28D2021/0071—Evaporators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49359—Cooling apparatus making, e.g., air conditioner, refrigerator

Definitions

  • the present invention relates to an evaporator for a refrigerator with a circuit board, a refrigerant tube and a layer of an adhesive connecting the refrigerant tube to the circuit board, and a method for producing such an evaporator.
  • An evaporator of this type and method for its production are known from DE 109 38 773 AI.
  • a meandering bent pipe is held against a circuit board, and the spaces between the meanders of the pipe are filled with an adhesive.
  • This adhesive can be expanded PU foam or pourable thermosetting plastics.
  • a foam as an adhesive is particularly advantageous if the evaporator is to be installed as a so-called cold wall evaporator, i.e. the evaporator is embedded between an inner container of the refrigeration device and a thermal insulation layer surrounding the inner container, and heat exchange anyway only via the surface of the circuit board facing the inner container, but not via the rear side carrying the refrigerant tube is desired. Casting with non-foamed thermosetting plastic requires a considerable amount of material and is accordingly expensive.
  • the object of the present invention is to provide a method for producing a heat exchanger or a heat exchanger which can be produced using such a method and which can be used with simple means to produce an effective and reproducible heat Ensure exchange between the refrigerant tube and the carrier plate of the refrigerant tube.
  • the adhesive bead By placing the adhesive bead with the shape of the refrigerant tube adapted profile between the refrigerant tube and the circuit board, it is ensured that, with a small amount of adhesive used, a large-area contact between the latter and the refrigerant tube on the one hand or between it and the circuit board on the other hand can be produced, via which an intensive heat exchange takes place between the refrigerant tube and the circuit board.
  • the adhesive By squeezing the bead between the refrigerant tube and the circuit board, the adhesive is displaced from a direct contact area between the tube and the circuit board, so that an optimal heat transfer is possible at this point.
  • the adhesive is applied to the refrigerant tube prior to compression, since this ensures that the caterpillar comes to lie along the entire length between the refrigerant tube and the circuit board.
  • the refrigerant tube When compressing the caterpillar, the refrigerant tube is preferably flattened at the same time, so as to enlarge the area of direct contact between the refrigerant tube and the circuit board or the thickness of the adhesive layer on both sides of the contact area is as small as possible and the surfaces of the refrigerant tube and the surface wetted with the adhesive To make the board as large as possible.
  • a butyl rubber is particularly preferred as the adhesive.
  • This material is characterized by an extremely low water absorption and permeability and thus prevents moisture from collecting at the interfaces between the adhesive and the tube or the circuit board, and freezing affects the cohesion and thus the thermal conductivity of the evaporator.
  • the use of butyl rubber with its good thermal conductivity compared to other adhesives creates good heat transfer between the circuit board and the pipe carrying the refrigerant.
  • the good adhesive properties of the butyl rubber also ensure a very intensive connection between the pipe carrying the refrigerant and the carrier board connected to the pipe for the purpose of releasing the cold, as a result of which the pipe is permanently connected to the board and is mechanically very resilient.
  • butyl also enable the use of the heat exchanger in the user's access area, but above all as an evaporator in the interior of a refrigerator or freezer.
  • both flat heat exchangers such as B. so-called plate evaporator or rear wall condenser as well as spatially constructed heat exchangers such.
  • Another important advantage of this material is that it can be loaded immediately after application. It is not necessary to wait for the material to harden after being compressed, so that the residence time of the evaporators in a press used for this can be kept short and the productivity of the press is accordingly high.
  • FIG. 1 is a perspective view of a heat exchanger according to the invention, using the example of an evaporator.
  • Figs. 2 - 5 each show a schematic section through parts used to manufacture the evaporator or the finished evaporator in different phases of manufacture.
  • the evaporator shown in FIG. 1 in a perspective view is constructed from a flat circuit board 1 made of aluminum sheet, on which a refrigerant tube 2 also made of aluminum is arranged in a meandering manner. Circuit board 1 and tube 2 are held together by butyl rubber, which extends between tube 2 and circuit board 1 on both sides of a line along which. Touch tube 2 and circuit board 1 against each other.
  • Fig. 2 shows the refrigerant tube 2 and the circuit board 1 in a first stage of the manufacture of the evaporator, cut in a plane perpendicular to a straight section of the meandering tube 2.
  • three sections through the tube 2 can be seen; they are circular, and a pipe bend 4 connecting them can be seen between two of them.
  • a nozzle 5 moves along the refrigerant tube 2 and is about to apply a bead 6 made of butyl rubber.
  • the application of the caterpillar 6 has ended, and the refrigerant tube 2 together with the caterpillar lies in grooves 8 of a press mold 7, the course of which is adapted to the meandering shape of the refrigerant tube 2.
  • the cross-sectional shape of the grooves 8 corresponds approximately to half an ellipse, the cross-sectional area of the complete ellipse corresponding to that of the refrigerant tube 2.
  • Fig. 4 shows the evaporator after the pressing together of plate 1, bead 6 and refrigerant tube 2 between the die 7 and a press punch, not shown, pressed from above against the plate 1.
  • the cross-section of the refrigerant tube 2 is flattened by the pressing pressure to form an ellipse which fills the cross section of the groove 8.
  • the rubber of the caterpillar 6 is displaced in the lateral direction, so that the circuit board 1 and the refrigerant tube 2 are in a narrow strip-shaped contact zone 9, which extends over the entire length of the refrigerant tube 2, touch directly.
  • Gussets 10 formed between the circuit board 1 and the tube 2 on both sides of the contact zone 9 are filled with the rubber 3 of the caterpillar 6 and thus form two rubber bands which extend to the right and left of the refrigerant tube 2 over its entire length.
  • the butyl rubber creates a firm, resilient connection between the circuit board 1 and the refrigerant tube 2.
  • the high thermal conductivity of the rubber compared to other sealing or adhesive materials enables efficient heat exchange even between those surface areas of circuit board 1 and tube 2 that are not in be in direct contact with each other. Since the gusset 10 between the board 1 and tube 2 are free of air pockets, the cooling capacity of the evaporators according to the invention can be reproduced exactly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP05754576.6A 2004-06-07 2005-06-07 Evaporateur pour appareil frigorifique et procede de production de cet evaporateur Active EP1756486B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004027706A DE102004027706A1 (de) 2004-06-07 2004-06-07 Verdampfer für ein Kältegerät und Verfahren zu dessen Herstellung
PCT/EP2005/052602 WO2005121662A1 (fr) 2004-06-07 2005-06-07 Evaporateur pour appareil frigorifique et procede de production de cet evaporateur

Publications (3)

Publication Number Publication Date
EP1756486A1 true EP1756486A1 (fr) 2007-02-28
EP1756486B1 EP1756486B1 (fr) 2011-12-07
EP1756486B2 EP1756486B2 (fr) 2016-11-16

Family

ID=34970967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05754576.6A Active EP1756486B2 (fr) 2004-06-07 2005-06-07 Evaporateur pour appareil frigorifique et procede de production de cet evaporateur

Country Status (9)

Country Link
US (1) US8701749B2 (fr)
EP (1) EP1756486B2 (fr)
CN (1) CN1965202A (fr)
AT (1) ATE536520T1 (fr)
BR (1) BRPI0511881A (fr)
DE (1) DE102004027706A1 (fr)
ES (1) ES2375569T3 (fr)
RU (1) RU2386087C2 (fr)
WO (1) WO2005121662A1 (fr)

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DE102007029173A1 (de) * 2007-06-25 2009-01-08 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät und Herstellungsverfahren dafür
DE102007048830A1 (de) * 2007-10-11 2009-04-16 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zur Herstellung eines Kältegeräts
KR100896407B1 (ko) * 2007-11-08 2009-05-08 주식회사 경동나비엔 열교환기 및 이를 구성하는 열교환배관의 제조방법
DE202012101076U1 (de) * 2011-04-14 2012-04-19 Visteon Global Technologies, Inc. Vorrichtung zum Kühlen von Batterien, insbesondere für Kraftfahrzeuge
CN202254941U (zh) * 2011-09-07 2012-05-30 艾欧史密斯(中国)热水器有限公司 一种微通道换热器
US9188369B2 (en) * 2012-04-02 2015-11-17 Whirlpool Corporation Fin-coil design for a dual suction air conditioning unit
CN102865705A (zh) * 2012-10-16 2013-01-09 合肥美的荣事达电冰箱有限公司 冰箱及其内置式冷凝器的安装方法
CN102878749A (zh) * 2012-10-18 2013-01-16 合肥美的荣事达电冰箱有限公司 冰箱及其制造方法
CN102967089A (zh) * 2012-12-17 2013-03-13 合肥美的荣事达电冰箱有限公司 用于冰箱的板管蒸发器及其制造方法和冰箱
CN104001803B (zh) * 2014-05-23 2016-03-02 鄞楠 蒸发器成型设备及其成型方法
CN105855322A (zh) * 2016-05-27 2016-08-17 合肥太通制冷科技有限公司 一种压扁加热粘合复合一体机

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Also Published As

Publication number Publication date
DE102004027706A1 (de) 2005-12-22
RU2006142347A (ru) 2008-07-20
RU2386087C2 (ru) 2010-04-10
US20080066489A1 (en) 2008-03-20
EP1756486B2 (fr) 2016-11-16
EP1756486B1 (fr) 2011-12-07
CN1965202A (zh) 2007-05-16
ES2375569T3 (es) 2012-03-02
BRPI0511881A (pt) 2008-01-15
ATE536520T1 (de) 2011-12-15
WO2005121662A1 (fr) 2005-12-22
US8701749B2 (en) 2014-04-22

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