WO2011124511A2 - Échangeur de chaleur tubulaire métallique, son procédé de fabrication et appareil de réfrigération utilisant celui-ci - Google Patents

Échangeur de chaleur tubulaire métallique, son procédé de fabrication et appareil de réfrigération utilisant celui-ci Download PDF

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Publication number
WO2011124511A2
WO2011124511A2 PCT/EP2011/054893 EP2011054893W WO2011124511A2 WO 2011124511 A2 WO2011124511 A2 WO 2011124511A2 EP 2011054893 W EP2011054893 W EP 2011054893W WO 2011124511 A2 WO2011124511 A2 WO 2011124511A2
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
tube heat
bitumen
wire tube
wires
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.)
Ceased
Application number
PCT/EP2011/054893
Other languages
German (de)
English (en)
Other versions
WO2011124511A3 (fr
Inventor
Detlef Cieslik
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
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to CN201180018334.6A priority Critical patent/CN103403482B/zh
Priority to ES11712238.2T priority patent/ES2452521T3/es
Priority to RU2012144288/06A priority patent/RU2519197C1/ru
Priority to EP11712238.2A priority patent/EP2556319B1/fr
Publication of WO2011124511A2 publication Critical patent/WO2011124511A2/fr
Publication of WO2011124511A3 publication Critical patent/WO2011124511A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F28F1/122—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 being formed of wires
    • 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
    • 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
    • F25B39/04—Condensers
    • 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
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D2020/0004—Particular heat storage apparatus

Definitions

  • the present invention relates to a wire tube heat exchanger, in particular for a household refrigerating appliance, with two layers of wires and a refrigerant pipe extending into a gap between the layers.
  • Sections of the refrigerant tube, bags are inserted, which are filled with a thermal energy storage medium. If such a heat exchanger in one
  • Refrigeration unit is installed, the thermal ballast, which represent these bags, leads to an extension of the running times and downtime of a compressor, which pumps the refrigerant through the refrigerant line.
  • a compressor which pumps the refrigerant through the refrigerant line.
  • Compressor runtime on the total operating time of the refrigerator allows a particularly energy-efficient operation.
  • the energy storage medium has the advantage that a close thermal contact between the wires and / or the refrigerant line on the one hand and the
  • An object of the invention is to provide a heat exchanger, the efficient heat exchange between a heat transfer medium and a
  • a second object of the invention is to provide a heat exchanger with an energy storage medium, which guarantees a close thermal contact with the energy storage medium without the risk of leakage.
  • Wire tube heat exchanger in particular for a household refrigerating appliance, with two layers of wires and a refrigerant pipe extending in a space between the layers of the intermediate space at least partially with bitumen as
  • Bitumen can be made easily plastic by heating, so that it fits tightly to any contour of the wires or the
  • At least a first of the two layers of wires is predominantly, i. on one
  • bitumen In order not to interfere with the heat exchange with the environment, the bitumen should have a large exposed surface. Therefore it is for the effectiveness of the
  • Heat exchanger expedient when the embedded wires of the first layer appear on a surface of the bitumen.
  • the surface of the bitumen advantageously has ribs in which the wires of the first layer run.
  • the projection of the ribs over adjacent areas of the surface, in particular over each extending between the ribs grooves should correspond at least to the diameter of the wires.
  • Wire-tube heat exchanger filled the gap completely with bitumen. In order to protect the bituminous layer from damage, it is advantageous if the bitumen does not project beyond the wires of the second layer.
  • the amount of bitumen used is preferably so large that the bitumen touches the wires of the second layer.
  • An edge portion of the plate-shaped wire tube heat exchanger can be any shape.
  • This edge region may, in particular, comprise marginal wires of the first and second layers and / or the respective outermost of a plurality of parallel sections of the refrigerant tube.
  • the invention also provides a refrigeration appliance, in particular a domestic refrigeration appliance, in which a wire tube heat exchanger of the type described above is mounted on an outer surface of the body as a condenser.
  • Wire tube heat exchanger expediently mounted on the body so that the second layer of the wire tube heat exchanger is remote from the carcass. That's how it is
  • An advantageous method for manufacturing a wire tube heat exchanger of the type described above comprises the steps:
  • bitumen film placed on an outside of the first layer of wires; c) pressing at least a portion of the bitumen film through the gaps
  • the partial pressing of the bitumen results in an embedding of the wires of the first layer in the bitumen layer and thus a secure anchoring of the bitumen on the heat exchanger.
  • it is expediently heated.
  • Particularly preferred is a
  • Temperature range is a firm adhesion of the bitumen to the wires of the first layer without the additional use of adhesives achievable. Higher temperatures lead to poorer adhesion due to the increasing flowability of the bitumen; lower temperatures require very high pressing forces, which can damage the structure of the wire tube heat exchanger. To the finished heat exchanger given edge dimensions a large
  • a yielding cushion into which the wires of the first layer can press.
  • a cushion may in particular consist of silicone.
  • Fig. 1 is an exploded view of a piece of a
  • Heat exchanger a bitumen foil and a press stamp
  • FIG. 2 shows the heat exchanger piece of FIG. 1 with pressed-on bitumen foil
  • FIG. 3 shows a schematic section through a wire tube heat exchanger before the pressing of bitumen foils according to a second embodiment of the invention
  • Fig. 4 shows the finished pressed heat exchanger according to the second
  • Fig. 5 is a view of a refrigerator with an inventive
  • Heat exchanger a view of a refrigerator with an inventive heat exchanger.
  • Fig. 1 shows a perspective view of a section of a
  • Wire tube heat exchanger 1 of known per se structure, with two mutually parallel layers 2, 3 of wires 2a, 2b, 3a, 3b, ... and one in a gap 4 between the layers 2, 3 meandering and with the wires of the two layers 2.3 by means of spot welds firmly connected refrigerant pipe 5.
  • Wire tube heat exchanger is a section of a bitumen 6 shown.
  • the heat exchanger 1 is shown in Fig. 2 in cross section, placed in a mold 10, wherein outer sheets 1 1 of the refrigerant pipe 5 and optionally these adjacent marginal wires 2a, 3a of the layers 2, 3 between parts 12, 13 of the mold 10 are sealed.
  • the edge lengths of a central clearance of the mold 10 correspond to those of the punch 7.
  • the width of the bitumen film 6 also corresponds to the width of the cavity. The length of the bituminous film 6 may be smaller than that of the cavity and the
  • FIG. 3 shows this situation in a perspective partial view analogous to FIG
  • Most of the bitumen is displaced into the space 4 inside; wherein the streams of material which have passed through a wire 2b, 2c, ... on its opposite sides, are again fused together on the downstream side of the wire, so that only a narrow groove 14 in the flow shadow of the wire at one of the layer 3 adjacent surface of the bituminous film 6 is emerging. Since that
  • Bitumen over a gap between two wires of the layer 2 is more compliant than immediately above these wires are pressed into the bitumen-contacting surface of the pad 9 respectively at the location of the wires 2a, 2b, ... and the refrigerant raw rs 5 grooves. Therefore, on the side of the wires 2 facing the punch 7, the bitumen is not completely displaced, but a thin layer of bitumen remains between the wires 2b, 2c ... and the punch 7, so that the wires 2b, 2c, .. are embedded in the bitumen of the film 6 over their entire circumference. Thus, later, after cooling, a firm anchoring of the bitumen at the heat exchanger 1 results.
  • the stamp 7 facing surface of the bitumen 6 gets a strong contouring by pressing; which is quite desirable for intensifying the heat exchange with the environment.
  • the strength of the contouring can be influenced by pressing pressure, pressing temperature and compliance of the pad 9; Preferably, it is set so that the tips of forming in the surface of the bitumen, surrounding the wires 2 ribs 15 by at least the diameter of the wires 2 over each lying between the ribs 15 recesses 16 survive.
  • bitumen sheets 6 are placed on two sides of a wire tube heat exchanger 1 and pressed against each other under heating, whereby the evaporator structure shown in section in Fig. 5 is obtained.
  • Interspace 4 between the layers 2, 3 are from both sides in the
  • bitumen foils 6 fused together. Due to the fusion of the films 6, the bitumen is firmly anchored even if the wires 2b, 2c, 3b, 3c, ... are not completely surrounded by bitumen on their entire circumference, but in the flow shadow of the wires 2b, 2c, 3b, 3c , ... column 19 on a portion of the circumference of the wires 2b, 2c, 3b, 3c, ... remain open.
  • Fig. 6 shows a perspective view of a domestic refrigerator, which obtained with a method according to the illustrated with reference to Figures 1 to 3
  • Wire tube heat exchanger is equipped as a condenser.
  • the heat exchanger 20 is on a rear wall of a body 17 of the refrigerator mounted.
  • the refrigerant pipe 5 comprises a plurality of parallel, horizontally guided pipe sections 18, which are connected by arcs 1 1 in series.
  • the bituminous film 6 is pressed from the rear wall of the body 17 facing side into the heat exchanger 20.
  • the edge length of the film 6 is so dimensioned that of the pipe sections 18 each of the uppermost and the lowest, denoted by 18a, is not touched by the bitumen.
  • the remaining pipe sections 18 are encased in a large part of their circumference of the bitumen and accordingly shown in the figure only as dashed lines.
  • the wires of the body 17 facing the layer 2 are not shown in Fig. 6; they are with the exception of the wires 2a on the right and left edges of the evaporator and their on the outer
  • the thickness of the bituminous film 6 is dimensioned such that the film 6 just does not penetrate into the gaps between the wires 3a, 3b, 3c,... Of the layer 3 facing away from the body 17 in the fully deformed state. These wires 3a, 3b, 3c, ... remain freely visible and are
  • the bitumen in the finished refrigerator is protected on the one hand by the wires facing away from the body 17 layer 3 and at its edges by the marginal wires 2a, 3a of the layers 2 and 3 and the outer pipe sections 18a from damage.
  • the body 17 facing the surface of the heat exchanger is largely free of sharp corners and edges, where dust can get stuck by the bitumen layer exposed there. Since the bitumen largely fills the gap 4, dust from the side facing away from the body can hardly be deposited on the body
  • the bituminous layer therefore does not only form a thermal ballast, which allows to extend the compressor operating phases

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)

Abstract

L'invention concerne un échangeur de chaleur tubulaire métallique, en particulier pour un appareil de réfrigération ménager, qui comprend deux couches (2; 3) de fils métalliques (2a, 2b, ...; 3a, 3b, ...) et un tube d'agent réfrigérant (5) s'étendant dans un espace intermédiaire (4) entre les deux couches (2; 3). L'espace intermédiaire (4) est rempli au moins en partie avec du bitume (6). Le bitume (6) est chauffé et pressé par les fentes entre les fils (2a, 2b, ...) dans l'espace intermédiaire (4).
PCT/EP2011/054893 2010-04-09 2011-03-30 Échangeur de chaleur tubulaire métallique, son procédé de fabrication et appareil de réfrigération utilisant celui-ci Ceased WO2011124511A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201180018334.6A CN103403482B (zh) 2010-04-09 2011-03-30 线管换热器及其制造方法以及使用所述线管换热器的制冷设备
ES11712238.2T ES2452521T3 (es) 2010-04-09 2011-03-30 Cambiador de calor tubular de hilo metálico, procedimiento para su producción y aparato de refrigeración que usa el mismo
RU2012144288/06A RU2519197C1 (ru) 2010-04-09 2011-03-30 Проволочно-трубный теплообменник, способ его изготовления и холодильный аппарат с таким теплообменником
EP11712238.2A EP2556319B1 (fr) 2010-04-09 2011-03-30 Échangeur de chaleur tubulaire métallique, son procédé de fabrication et appareil de réfrigération utilisant celui-ci

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010003825 DE102010003825A1 (de) 2010-04-09 2010-04-09 Drahtrohrwärmetauscher, Verfahren zu dessen Herstellung und diesen verwendendes Kältegerät
DE102010003825.3 2010-04-09

Publications (2)

Publication Number Publication Date
WO2011124511A2 true WO2011124511A2 (fr) 2011-10-13
WO2011124511A3 WO2011124511A3 (fr) 2012-03-15

Family

ID=44625671

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/054893 Ceased WO2011124511A2 (fr) 2010-04-09 2011-03-30 Échangeur de chaleur tubulaire métallique, son procédé de fabrication et appareil de réfrigération utilisant celui-ci

Country Status (6)

Country Link
EP (1) EP2556319B1 (fr)
CN (1) CN103403482B (fr)
DE (1) DE102010003825A1 (fr)
ES (1) ES2452521T3 (fr)
RU (1) RU2519197C1 (fr)
WO (1) WO2011124511A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102607214A (zh) * 2012-03-21 2012-07-25 合肥美的荣事达电冰箱有限公司 冷凝器及具有它的制冷设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018212209A1 (de) * 2018-07-23 2020-01-23 BSH Hausgeräte GmbH Einkreis-Kältegerät

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19948480A1 (de) 1999-10-08 2001-04-12 Bsh Bosch Siemens Hausgeraete Wärmetauscher, wie Verdampfer, Verflüssiger oder dergleichen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB619444A (en) * 1946-12-10 1949-03-09 Frank Frederick Briginshaw Improvements in and relating to refrigerating and like equipment
GB973994A (en) * 1963-08-01 1964-11-04 Lec Refrigeration Ltd Bottle cooler
GB1110041A (en) * 1964-04-29 1968-04-18 Mieczyslaw Komedera Improvements in or relating to apparatus for chilling liquids
SU1746155A1 (ru) * 1990-07-12 1992-07-07 Челябинский Зональный Научно-Исследовательский И Проектный Институт Типового И Экспериментального Проектирования Жилых И Общественных Зданий Солнцеприемное устройство, совмещенное с кровлей здани
DE19818995A1 (de) * 1998-04-28 1999-11-04 Bsh Bosch Siemens Hausgeraete Kältegerät
WO2003091636A1 (fr) * 2002-04-26 2003-11-06 BSH Bosch und Siemens Hausgeräte GmbH Echangeur de chaleur pour appareil de refrigeration, et procede de realisation d'un echangeur de chaleur
DE10218826B4 (de) * 2002-04-26 2007-03-22 BSH Bosch und Siemens Hausgeräte GmbH Wärmetauscher für ein Kältegerät und Verfahren zur Herstellung eines Wärmetauschers
CN101089049B (zh) * 2006-06-13 2012-07-25 上海蜜荣科电气数字集成有限责任公司 一种废胎胶粉复合改性沥青及其制备方法
DE102008019387A1 (de) * 2008-04-17 2009-10-22 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät, insbesondere Haushaltskältegerät umfassend einen Verflüssiger mit Wärmespeicherelementen
DE102008041478A1 (de) * 2008-08-22 2010-02-25 BSH Bosch und Siemens Hausgeräte GmbH Geräuschreduziertes Kältegerät

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19948480A1 (de) 1999-10-08 2001-04-12 Bsh Bosch Siemens Hausgeraete Wärmetauscher, wie Verdampfer, Verflüssiger oder dergleichen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102607214A (zh) * 2012-03-21 2012-07-25 合肥美的荣事达电冰箱有限公司 冷凝器及具有它的制冷设备

Also Published As

Publication number Publication date
ES2452521T3 (es) 2014-04-01
DE102010003825A1 (de) 2011-10-13
RU2012144288A (ru) 2014-05-20
EP2556319B1 (fr) 2014-03-05
RU2519197C1 (ru) 2014-06-10
CN103403482A (zh) 2013-11-20
WO2011124511A3 (fr) 2012-03-15
CN103403482B (zh) 2015-09-09
EP2556319A2 (fr) 2013-02-13

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