EP1307693A1 - Verdampfer für ein haushaltskältegerät - Google Patents
Verdampfer für ein haushaltskältegerätInfo
- Publication number
- EP1307693A1 EP1307693A1 EP00956433A EP00956433A EP1307693A1 EP 1307693 A1 EP1307693 A1 EP 1307693A1 EP 00956433 A EP00956433 A EP 00956433A EP 00956433 A EP00956433 A EP 00956433A EP 1307693 A1 EP1307693 A1 EP 1307693A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- refrigerant line
- heat
- approximately
- evaporator
- holding means
- 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
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
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/02—Fastening; Joining by using bonding materials; by embedding elements in particular materials
- F28F2275/025—Fastening; Joining by using bonding materials; by embedding elements in particular materials by using adhesives
Definitions
- the invention relates to a heat exchanger, in particular an evaporator for a domestic refrigerator, such as a refrigerator, a fridge-freezer or the like, with a tubular, at least approximately heat-conducting refrigerant line, which is at least approximately meandering in shape and in at least largely heat-conducting contact on one at least approximately heat-conducting support plate is fixed.
- evaporators used in household refrigerators, it is known to introduce their refrigerant channels, which are used to guide refrigerant, after cutting without shaping, into an aluminum plate using the roll-bond or Z-bond method.
- evaporators are also used in refrigerators, which are composed of an aluminum carrier plate and a separately prefabricated meandering shaped aluminum tube, which is fastened to the carrier plate in heat-conducting contact therewith.
- fastening the refrigerant guide tube to the carrier board it is known, for example, to fix the prefabricated tube on the carrier board using a soldered connection.
- one of the soldering partners is coated with a layer serving as solder, which, when this soldering partner is heated, forms a connection with the other soldering partner pretreated for soldering, as a result of which the carrier board is connected to the preformed tube in heat-conducting contact.
- This type of attachment of the refrigerant pipeline to the carrier board is not only expensive to manufacture and therefore costly, but also entails the risk that the heat-conducting connection between the two evaporator components is also subject to the influence of the workmanship of the production personnel.
- the invention has for its object to avoid the disadvantages of the prior art in a heat exchanger according to the preamble of claim 1 with simple design measures.
- the refrigerant line is held positively or non-positively by an at least substantially adhesive, processed in the liquid starting state holding means, which in the hardened state causes at least substantially the attachment of the refrigerant line to the carrier board, wherein the holding means is at least substantially kept away from the contact area of the refrigerant line with the carrier board.
- a liquid during its processing holding means for fastening for example, a pipe made of aluminum on a z. B. also made of aluminum carrier plate ensures that the liquid holding agent is able to follow the contour of the meandering curved refrigerant line.
- the entire length of the refrigerant line is held in a functionally reliable manner in heat-conducting contact with the carrier board by the adhesive effect of the holding means, the entire holding surface of the carrier board for holding the before the application of the holding means in heat-conducting contact under a certain holding force on the Holding surface pressed pipe can be coated with liquid holding agent.
- Pressing the prefabricated refrigerant line onto the holding surface of the carrier board also ensures that the liquid holding agent is kept away from the heat exchange contact area between the refrigerant pipeline and the carrier board.
- the refrigerant pipeline is at least largely embedded in it after the hardening process of the liquid holding means, so that the refrigerant pipeline is permanently fixed on the one hand in a particularly intensive heat-conducting contact and on the other hand in a particularly precise position on the holding surface of the carrier plate.
- an adhesive liquid holding agent an elaborate cleaning process of these two components, e.g. B. how it is required for a soldered connection, be avoided.
- the prefabricated refrigerant line is held particularly securely without additional aids on the holding surface of the carrier board in an evaporator with a refrigerant line which has a deformed circular cross section with at least one approximately flat contact surface with which the refrigerant line lies at least largely in a heat-conducting manner on the carrier board when
- the surface holding means in the hardened state lie above the center of gravity of the deformed circular cross-sectional area.
- the holding means by their volume contraction, cause the pipeline to be pressed against the holding surface of the support plate under pretension in order to achieve a particularly intensive heat transfer between the latter and the refrigerant pipeline.
- the formation of a flat contact surface on the refrigerant pipeline means that the refrigerant pipeline system is particularly intensive and defined. guaranteed on the holding surface of the carrier board to bring about a particularly intensive heat exchange.
- Oval is understood here to mean a surface stretched along an axis of symmetry with boundary lines curved at the ends.
- planar structures can be, for example, an ellipse or two semicircles facing one another or semi-ellipses with a rectangle in between.
- the flat contact surface on the refrigerant pipeline is particularly easy to produce if, according to a next advantageous embodiment of the subject of the invention, it is provided that the deformed circular cross section of the refrigerant line is at least approximately semicircular.
- the means are designed as heat-inhibiting material processed in the liquid starting state.
- the refrigerant release of the latter can be influenced in a particularly targeted manner by fastening the refrigerant pipeline in this way to the holding surface of the carrier board.
- An evaporator produced in this way is particularly suitable for use as a so-called cold-wall evaporator, since the heat-inhibiting material reduces the heat insulation of the wall equipped with the cold-wall evaporator at most insignificantly.
- the heat-inhibiting material is formed from foamed heat insulation material.
- foaming heat insulation material to fasten the refrigerant pipeline to the holding surface of the carrier plate makes an evaporator in a simple manner, which is particularly suitable for use as a so-called cold wall evaporator in a household refrigerator.
- the refrigerator wall equipped with the cold wall evaporator experiences at most a negligible reduction in thermal insulation capacity.
- the pressure that arises when the thermal insulation material is foamed within a pressure tool that presses the refrigerant pipeline against the carrier board means that This ensures that the heat insulation material at least predominantly wets the open areas lying outside the contact area between the carrier board and the refrigerant pipeline, thereby achieving a particularly intensive retention of the refrigerant pipeline on the carrier board.
- the heat insulation material is formed from polyurethane foam.
- the refrigerant pipeline on the evaporator board is kept process-reliable and mechanically stable in thermal contact with the carrier board, especially in large-scale production.
- the refrigerant line on the carrier board is held in a particularly stable position if, according to a further advantageous embodiment of the invention, it is provided that the holding means cover the refrigerant line at least in sections along its meandering course.
- the partial coverage of the refrigerant line is generated by an at least approximately network-like surface pattern.
- the refrigerant line and the holding means on their side facing away from the carrier plate have at least approximately the dimensions are covered against the carrier board having film-like material which is held by the hardened holding means.
- Evaporators covered in this way are also suitable for use as so-called rear-wall evaporators within the refrigerator compartment of a refrigerator.
- a closing film serving as a water vapor barrier is particularly suitable for covering the foaming heat insulation material.
- Fig. 1 a board-like evaporator according to the invention in a spatial view from the front and
- a circuit board-like evaporator 10 which is used, for example, as a so-called cold wall evaporator, is shown, which has a carrier plate 11 made of heat-conducting material, such as aluminum or also corrosion-protected steel sheet or the like.
- the carrier plate 11 has on one of its large-area sides a holding surface 12 on which a meandering-shaped, refrigerant line 13 pipeline made of heat-conducting material, such as aluminum or corrosion-protected steel or the like, rests in heat-conducting contact.
- the cross section of the refrigerant line 13 which originally had a circular cross section, is deformed in such a way that, after the deformation, it has essentially a D-shaped cross section with an essentially flat cross section.
- the former is embedded in an adhesive heat-insulating material serving as a holding means 15 in the present case, whereby a sandwich-like evaporator structure is produced.
- this is applied at least to the area of the holding surface 12 which is taken up by the meandering shaped refrigerant line 13, which is pressed onto the carrier plate 11 under a certain projection force before the application of the liquid holding means 15.
- the prestressing force exerted on the refrigerant line 13 ensures both a flat, thermally conductive contact of the refrigerant line 13 on the carrier board 11 and also prevents the holding means 15, which is in the liquid starting form, from being able to penetrate between the contact surface 14 and the corresponding sections of the holding surface 12.
- the holding means 15 present in the liquid state at the beginning of its processing ensures that its gaps ensure that the gaps created by the meandering shape of the refrigerant line 13 are at least largely void-free.
- the refrigerant line 13 embedded in the holding means is positively fixed both along the holding surface 12 and perpendicularly to it within the holding means 15 due to its cross-sectional shape after the adhesive holding means 15 has hardened.
- the holding of the refrigerant line 13 within the holding means 15 is additionally supported by its net-like surface pattern 16, which at least completely covers the refrigerant line 13, on its surface opposite the holding surface 12.
- the network-like surface structure of the holding means 15 also ensures that the refrigerant 13 on its side opposite the support surface 14 is only partially covered with the holding means 15, and thus a heat exchange of the refrigerant circulating in the refrigerant line 14 not only towards the carrier plate 11 but also opposite is possible, so that the evaporator 10 is also suitable for use for a so-called rear wall evaporator, for example, freely suspended in a cooling chamber of a refrigerator.
- thermosetting plastics in the form of molds and castings are also suitable. measures for fastening the refrigerant line 13 to the carrier plate 11, the thermosetting casting and molding compounds with regard to their adhesive effect and their property, the thermal expansion of the carrier plate 11 on the one hand and the refrigerant line 13 on the other hand while maintaining the required holding force for the refrigerant line 13 on the Carrier board 11 must be able to be selected.
- a refrigerant line with a circular cross section can also be used.
- the structure according to the invention is also suitable for providing a condenser.
- the refrigerant line and / or the carrier plate may have projections with which the hardened holding means cooperates in a form-fitting manner.
- the refrigerant line and the carrier board can also be fixed and held together solely by the adhesive effect of the holding means.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19938773 | 1999-08-16 | ||
DE19938773A DE19938773A1 (de) | 1999-08-16 | 1999-08-16 | Verdampfer für ein Haushaltskältegerät |
PCT/EP2000/007845 WO2001013051A1 (de) | 1999-08-16 | 2000-08-11 | Verdampfer für ein haushaltskältegerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1307693A1 true EP1307693A1 (de) | 2003-05-07 |
EP1307693B1 EP1307693B1 (de) | 2006-06-14 |
Family
ID=7918540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00956433A Expired - Lifetime EP1307693B1 (de) | 1999-08-16 | 2000-08-11 | Haushaltskältegerät |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1307693B1 (de) |
CN (1) | CN1153036C (de) |
AT (1) | ATE330189T1 (de) |
BR (1) | BR0013286A (de) |
DE (2) | DE19938773A1 (de) |
ES (1) | ES2265967T3 (de) |
TR (1) | TR200200091T2 (de) |
WO (1) | WO2001013051A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019141437A1 (de) * | 2018-01-17 | 2019-07-25 | BSH Hausgeräte GmbH | Kältegerät und wärmetauscher dafür |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10218826B4 (de) | 2002-04-26 | 2007-03-22 | BSH Bosch und Siemens Hausgeräte GmbH | Wärmetauscher für ein Kältegerät und Verfahren zur Herstellung eines Wärmetauschers |
RU2317501C2 (ru) | 2002-04-26 | 2008-02-20 | Бсх Бош Унд Сименс Хаусгерете Гмбх | Теплообменник для холодильника и способ изготовления теплообменника |
DE10252345A1 (de) * | 2002-11-11 | 2004-05-19 | BSH Bosch und Siemens Hausgeräte GmbH | Wärmetauscher für ein Kältegerät |
DE20317802U1 (de) * | 2003-11-18 | 2005-03-31 | Liebherr Hausgeraete | Verdampfer für ein Kühl- und/oder Gefriergerät |
DE102004027706A1 (de) | 2004-06-07 | 2005-12-22 | BSH Bosch und Siemens Hausgeräte GmbH | Verdampfer für ein Kältegerät und Verfahren zu dessen Herstellung |
DE102010043240A1 (de) * | 2010-11-03 | 2012-05-03 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerät mit angespritztem Leitungshalter sowie Verfahren zu dessen Herstellung |
DE102011113211A1 (de) * | 2011-09-12 | 2013-03-14 | Liebherr-Hausgeräte Ochsenhausen GmbH | Kühl- und/oder Gefriergerät |
DE102015015084B3 (de) * | 2015-11-18 | 2017-03-09 | Johannes Georg Mehlig | Haushalts-Kühlschrank bzw. -Gefrierschrank |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH287358A (de) * | 1949-12-12 | 1952-11-30 | Maschf Suerth Zweigniederlassung Der Gesellschaft Fuer Lindes Eismaschinen Ag | Verfahren zur Herstellung von Wärmeaustauschern und nach diesem Verfahren hergestellter Wärmeaustauscher. |
AT297067B (de) * | 1968-03-28 | 1972-03-10 | Bauknecht Gmbh G | Kühleinrichtung für Kühlmöbel |
US3912005A (en) * | 1971-12-01 | 1975-10-14 | Kelvinator Inc | Liner assembly |
FR2193186A1 (de) * | 1972-07-20 | 1974-02-15 | Soissonnais Manufacture | |
FR2203687B1 (de) * | 1972-10-20 | 1975-06-13 | Bonnet Ets | |
GB8503011D0 (en) * | 1985-02-06 | 1985-03-06 | Caravell Mfg Ltd | Storage cabinets |
US5544495A (en) * | 1995-02-14 | 1996-08-13 | Frigid-Rigid, Inc. | Construction of refrigerated containers |
-
1999
- 1999-08-16 DE DE19938773A patent/DE19938773A1/de not_active Withdrawn
-
2000
- 2000-08-11 DE DE50013003T patent/DE50013003D1/de not_active Expired - Lifetime
- 2000-08-11 CN CNB008116849A patent/CN1153036C/zh not_active Expired - Fee Related
- 2000-08-11 WO PCT/EP2000/007845 patent/WO2001013051A1/de active IP Right Grant
- 2000-08-11 TR TR2002/00091T patent/TR200200091T2/xx unknown
- 2000-08-11 BR BR0013286-1A patent/BR0013286A/pt active Search and Examination
- 2000-08-11 EP EP00956433A patent/EP1307693B1/de not_active Expired - Lifetime
- 2000-08-11 ES ES00956433T patent/ES2265967T3/es not_active Expired - Lifetime
- 2000-08-11 AT AT00956433T patent/ATE330189T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0113051A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019141437A1 (de) * | 2018-01-17 | 2019-07-25 | BSH Hausgeräte GmbH | Kältegerät und wärmetauscher dafür |
Also Published As
Publication number | Publication date |
---|---|
CN1153036C (zh) | 2004-06-09 |
EP1307693B1 (de) | 2006-06-14 |
CN1370263A (zh) | 2002-09-18 |
ATE330189T1 (de) | 2006-07-15 |
BR0013286A (pt) | 2002-04-23 |
DE19938773A1 (de) | 2001-02-22 |
TR200200091T2 (tr) | 2003-01-21 |
ES2265967T3 (es) | 2007-03-01 |
WO2001013051A1 (de) | 2001-02-22 |
DE50013003D1 (de) | 2006-07-27 |
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