EP2135016B1 - Kondensator - Google Patents

Kondensator Download PDF

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Publication number
EP2135016B1
EP2135016B1 EP08735681A EP08735681A EP2135016B1 EP 2135016 B1 EP2135016 B1 EP 2135016B1 EP 08735681 A EP08735681 A EP 08735681A EP 08735681 A EP08735681 A EP 08735681A EP 2135016 B1 EP2135016 B1 EP 2135016B1
Authority
EP
European Patent Office
Prior art keywords
condenser
cooling plates
sheet
hollow
cooling
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.)
Not-in-force
Application number
EP08735681A
Other languages
English (en)
French (fr)
Other versions
EP2135016A1 (de
Inventor
Husnu Kerpicci
Sevan Agopyan
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP2135016A1 publication Critical patent/EP2135016A1/de
Application granted granted Critical
Publication of EP2135016B1 publication Critical patent/EP2135016B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F28D1/0471—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 having a non-circular cross-section
    • 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
    • F28D1/0233—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 air flow channels
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/06—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element

Definitions

  • the present invention relates to a condenser that is used in cooling devices.
  • cooling devices for example in refrigerators
  • heat energy is discharged outside by natural or forced heat convection methods from the condenser that is located in the refrigeration cycle.
  • the condensers that function by natural heat convection are generally used in conventional refrigerators and the condensers that function by forced heat convection are used in no-frost type refrigerators.
  • the flow tubes through which the refrigerant fluid flows branch out into arms like in manifold or micro-channel type structures and are contacted with wires or cooling fins.
  • the aim of the present invention is the realization of a high strength condenser used in cooling devices that can be easily manufactured.
  • the condenser realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, is comprised of a body, with the flow tube wound around the body and cooling plates disposed in the middle of the body.
  • the body is shaped as a hollow body that is configured by folding a single piece sheet and joining the sides thereof. Since the body supports both the flow tube wound thereon and also the cooling plates disposed in the hollow in the middle, it is manufactured of a high strength material such that deformation does not occur particularly during production.
  • the body also maintains the heat of the refrigerant fluid flowing in the flow tube wound around to be transferred inside to the cooling plates disposed in the hollow in the middle thereof.
  • the condenser is manufactured by a method comprised of phases wherein the spaced apart cooling plates are arranged in vertical direction to the sheet, before the sheet forming the body is folded thereon, then the sheet is folded over the cooling plates and closed and the opposite sides of the sheets are joined. Manufacturing of the condenser is completed by winding the flow tube around the body after the body is folded over the cooling plates.
  • a plate shaped cooling plate retainer is used in the production of the condenser providing to dispose the cooling plates in the hollow in the middle of the condenser body, secured to the upper and lower portions of the side-by-side arranged cooling plates for holding together more than one cooling plate in a block.
  • channels are formed on the inner surface of the condenser body for holding the cooling plates upright and functioning as guides when the cooling plates are inserted from the outside to be fitted into the hollow inside the body.
  • the body is configured as a quadrangle and the flow tube is wound on the outer surface of the body by folding on the sides of the body.
  • the flow tube has a rectangular cross-section and is wound on the outside of the body without leaving a space between the helical windings.
  • a maximum contact surface area is attained for an effective heat transfer.
  • Figure 1 - is the schematic view of a condenser.
  • Figure 2 - is the schematic view of the various manufacturing phases of a condenser in an embodiment of the present invention.
  • Figure 3 - is the schematic view of a condenser body and the cooling plates held in a block with a cooling plate retainer.
  • Figure 4 - is the schematic view of the condenser body in Figure 3 with the cooler plates mounted thereon.
  • Figure 5 - is the schematic view of a condenser body comprising channels at the inner surface thereof.
  • Figure 6 - is the schematic view of mounting the cooling plates on the condenser body in Figure 5 .
  • the refrigerant fluid delivered from the compressor maintaining the refrigeration cycle is condensed in a condenser (1).
  • the condenser (1) comprises a flow tube (2) wherein the refrigerant fluid flows and more than one cooling plate (3) that transfers the heat of the refrigerant fluid outside by natural or forced heat convection.
  • the condenser (1) of the present invention comprises a body (4) having a hollow body shape that is configured by folding a single piece sheet (L) and joining the sides, the front and rear surfaces (ceiling and base) being open, and produced such that the opposite inner surfaces hold the cooling plates (3).
  • the cooling plates (3) are mounted into the hollow (B) inside the body (4) such that they extend between the opposite inner surfaces.
  • the flow tube (2) is wound around the outer surface of the body (4).
  • the body (4) is produced of a high strength material so that it is not deformed during disposing of the cooling plates (3) inside the hollow (B) thereof and winding the flow tube (2) on the outer surface after being folded.
  • the heat transfer between the flow tubes (2) and the cooling plates (3) is maintained through the body (4) since the flow tubes (2) are situated on the outer surface of the body (4) and the cooling plates (3) into the hollow (B) inside the body (4) walls.
  • the body (4) is constituted by folding the sheet (L) over the cooling plates (3) following the arrangement of the cooling plates (3) on the sheet (L) surface in the upright direction to the sheet (L). Afterwards, the production of the condenser (1) is completed by winding the flow tube (2) on the outer surface of the body (4) ( Figure 2 ).
  • the condenser (1) comprises at least one cooling plate retainer (5), preferably shaped as a flat plate, that is secured to the upper and lower portions of the side-by-side arranged cooling plates (3) for attaching the cooling plates (3) as a block by inserting into the inner surface of the body (4) ( Figures 3, 4 ).
  • the surfaces formed by the upper and lower sides are fixed by closing with the cooling plate retainer (5) and thus the cooling plates (3) are mounted by inserting into the hollow (B) inside the body (4) after being formed into a block.
  • chemical materials are used between the inner surface of the body (4) and the cooling plate retainers (5) for enhancing thermal transfer and adhesion of the cooling plate retainer (5) - cooling plate (3) group to the inner surface of the body (4).
  • the condenser (1) comprises more than one channel (6) for securing the cooling plates (3) to the inner surfaces of the upper, lower or lateral body (4) walls and functioning as guides while the cooling plates (3) are mounted by inserting into the hollow (B) inside the body (4) from outside, configured preferably before the folding process, for example by forming with a press on the surface of the sheet (L) that will remain inside, extending virtually parallel to each other, and transversely to the sheet (L) ( Figures 5, 6 ).
  • the cooling plates (3) are fitted to the channels (6) from the upper and lower sides and mounted into the hollow (B) inside the body (4) walls after the body (4) is formed by folding the sheet (L). Chemical materials are used between the channels (6) and the cooling plates (3) that enhance thermal transfer and maintain a more durable attachment of the cooling plates (3).
  • the channels (6) are formed for example on the inner surfaces of all the walls constituting the body (4) and the cooling plates (3) are arranged in groups in the hollow (B) inside the body (4) in both the horizontal and vertical positions and heat transfer is enhanced by increasing the surface area in contact with the air blown by the fan ( Figure 6 ).
  • the body (4) is shaped as a rectangle and the flow tube (2) is wound all around on the outer surface of the body (4) by bending on the sides of the body (4) ( Figure 1 ).
  • the flow tube (2) has a rectangular cross-section and is wound on the outer surface of the body (4) helically without gaps between the windings ( Figure 1 ).
  • a maximum contact surface area is attained for an effective heat transfer.
  • micro-channels having rectangular cross-sections are provided inside the flow tube (2).
  • the refrigerant fluid flowing through the micro-channels with high pressure and temperature condenses by transferring the heat outside and to the cooling plates (3) in the hollow (B) inside the body (4) whereon the flow tube (2) is wound.
  • the condenser (1) of the present invention In the condenser (1) of the present invention, less weld and solder joints are used for increasing the surface area for heat transfer than in conventional heat exchangers, thus problems that may arise due to breakage of welded joints are eliminated, providing an easy and rapid production. A lesser amount of workmanship is required as compared with condensers manufactured by complex production methods, having a high density of cooling plates and tubes.
  • the condenser (1) of the present invention is particularly suitable for operating in the machine rooms of no-frost type refrigerators and provides an effective heat transfer in a small volume.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Valve Device For Special Equipments (AREA)
  • Oscillators With Electromechanical Resonators (AREA)

Claims (8)

  1. Kondensator (1), der ein Durchflussrohr (2), in dem das Kühlfluid fließt, und mehr als eine Kühlplatte (3) umfasst, die die Wärme des Kühlfluids durch natürliche oder erzwungene Wärmekonvektion nach außen ableitet, gekennzeichnet durch einen Körper (4) mit einer Hohlkörperform, der durch Falten eines einzelnen Bleches (L) und durch Verbinden der Seiten konfiguriert ist, wobei die vordere und die hintere Fläche offen sind, und der derart hergestellt ist, dass die gegenüberliegenden Innenflächen die Kühlplatten (3) halten, wobei die Kühlplatten (3) im Hohlraum (B) im Inneren des Körpers (4) angebracht sind, derart, dass sie sich zwischen den gegenüberliegenden Innenflächen erstrecken, und ein Durchflussrohr (2), das um die Außenfläche des Körpers (4) gewunden ist.
  2. Kondensator (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Körper (4) derart konfiguriert ist, dass das Blech (L) über die Kühlplatten (3) gefaltet wird, nachdem die Kühlplatten (3) in senkrechter Richtung zum Blech (L) an der Fläche des Blechs (L) angeordnet wurden.
  3. Kondensator (1) nach Anspruch 1, gekennzeichnet durch wenigstens eine Kühlplattenhalterung (5), die an einem oberen und unteren Abschnitt der Seite an Seite angeordneten Kühlplatten (3) angeordnet ist, und die dazu dient, die Kühlplatten (3) in einem Block anzubringen, indem sie in die Innenfläche des Körpers (4) eingeführt werden.
  4. Kondensator (1) nach Anspruch 1, gekennzeichnet durch mehrere Kanäle (6), die dazu dienen, die Kühlplatten (3) im Hohlraum (B) im Inneren des Körpers (4) in einer aufrechten Position zu den Innenflächen der oberen, unteren oder seitlichen Wand des Körpers (4) zu halten, und die beim Anbringen der Kühlplatten (3) durch Einführen derselben in den Hohlraum (B) im Inneren des Körpers (4) von außen als eine Führung dienen, und die durch Pressformen derjenigen Fläche des Blechs (L) konfiguriert sind, die innen bleiben wird, und sich im Wesentlichen parallel zueinander und quer zu dem Blech (L) erstrecken.
  5. Kondensator (1) nach Anspruch 4, dadurch gekennzeichnet, dass die Kanäle (6) an Innenflächen aller Wände ausgebildet sind, die den Körper (4) bilden, und die Kühlplatten (3) in Gruppen von sowohl horizontaler als auch vertikaler Position im Hohlraum (B) im Inneren des Körpers (4) angeordnet sind.
  6. Kondensator (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Körper (4) aus einem hochfesten Material hergestellt ist, das die Wärmeübertragung zwischen den Durchflussrohren (2) und den Kühlplatten (3) aufrechterhält.
  7. Kondensator (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Körper (4) eine viereckige Form aufweist, und dass ein Durchflussrohr (2) um die gesamte Außenfläche des Körpers (4) gewunden ist, indem es an den Seiten des Körpers (4) gebogen ist.
  8. Kondensator (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Durchflussrohr (2) einen rechteckigen Querschnitt aufweist, der spiralförmig um die Außenfläche des Körpers (4) gewunden ist, ohne dass zwischen den Windungen Lücken bestehen.
EP08735681A 2007-04-02 2008-04-02 Kondensator Not-in-force EP2135016B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200702155 2007-04-02
PCT/EP2008/053923 WO2008119816A1 (en) 2007-04-02 2008-04-02 A condenser

Publications (2)

Publication Number Publication Date
EP2135016A1 EP2135016A1 (de) 2009-12-23
EP2135016B1 true EP2135016B1 (de) 2010-06-09

Family

ID=39651300

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08735681A Not-in-force EP2135016B1 (de) 2007-04-02 2008-04-02 Kondensator

Country Status (5)

Country Link
EP (1) EP2135016B1 (de)
AT (1) ATE470825T1 (de)
DE (1) DE602008001507D1 (de)
ES (1) ES2344768T3 (de)
WO (1) WO2008119816A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0902365A2 (pt) * 2009-07-03 2011-03-09 Whirlpool Sa módulo de fluxo de ar forçado para um trocador de calor e trocador de calor
US9151546B2 (en) * 2013-02-28 2015-10-06 General Electric Company Heat exchanger assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2686123B2 (ja) * 1988-12-27 1997-12-08 三洋電機株式会社 熱交換装置
KR100308449B1 (ko) * 1998-06-30 2001-11-30 전주범 냉장고용콘덴서
US7007504B2 (en) * 2003-01-29 2006-03-07 Kyeong-Hwa Kang Condenser

Also Published As

Publication number Publication date
DE602008001507D1 (de) 2010-07-22
ES2344768T3 (es) 2010-09-06
WO2008119816A1 (en) 2008-10-09
EP2135016A1 (de) 2009-12-23
ATE470825T1 (de) 2010-06-15

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