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WO2015185627A1 - Appareil frigorifique doté d'un évaporateur - Google Patents

Appareil frigorifique doté d'un évaporateur Download PDF

Info

Publication number
WO2015185627A1
WO2015185627A1 PCT/EP2015/062379 EP2015062379W WO2015185627A1 WO 2015185627 A1 WO2015185627 A1 WO 2015185627A1 EP 2015062379 W EP2015062379 W EP 2015062379W WO 2015185627 A1 WO2015185627 A1 WO 2015185627A1
Authority
WO
WIPO (PCT)
Prior art keywords
inner container
evaporator
refrigerating appliance
umlenknasen
attachment part
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/EP2015/062379
Other languages
German (de)
English (en)
Inventor
Andreas BABUCKE
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 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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to CN201590000664.6U priority Critical patent/CN206496548U/zh
Publication of WO2015185627A1 publication Critical patent/WO2015185627A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/061—Walls with conduit means
    • 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
    • F28F9/007—Auxiliary supports for elements
    • F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
    • 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

Definitions

  • the present invention relates to a refrigerator having an inner container for refrigerated goods and an evaporator tube for guiding a refrigerant which is wound around the inner container.
  • coiled-tube evaporators may be used, which comprise an evaporator tube which is wound around an inner container.
  • Wickelrohrverdampfern also called wrap-around evaporator, but sinks can occur in the evaporator tubes, in which a refrigerant collects.
  • the refrigerant evaporates mainly in the pipe sections located on the shelf and the evaporator surface is used only inadequate. This can affect the efficiency of the device.
  • the publication CN 201867010 describes a cooling container with an integrated winding tube evaporator comprising vertical pipe sections.
  • the document DE 2008 021 104 describes a winding evaporator, which is preceded by an evaporator located in the freezer compartment.
  • the document DE 201 1 088 656 describes a combination of static winding evaporator and dynamic Nofrost evaporator.
  • the publications DE 2010 028 526 and DE 2010 028 527 describe a heat transfer between a wall and a tube of a coil evaporator by means of a separate heat conducting plate or a graphite-containing heat conducting layer.
  • the object is achieved by a refrigeration device having an inner container for refrigerated goods and an evaporator tube for guiding a refrigerant, which is wound around the inner container with horizontal tube sections, in which the inner container comprises deflection lugs, at which a bend of the evaporator tube is guided between the horizontal tube sections.
  • a refrigeration appliance is understood in particular to mean a domestic refrigeration appliance, that is to say a refrigeration appliance which is used for household management or in the gastronomy sector, and in particular for storing food and / or drinks at specific temperatures, such as, for example, a refrigerator, a freezer, a refrigerated freezer combination, a freezer or a wine fridge.
  • the Umlenknasen are formed by an attachment for placing on the inner container.
  • the technical advantage is achieved that the refrigeration device with the Umlenknasen can be made in a simple manner and a mutual alignment of the Umlenknasen deleted.
  • the inner container comprises a recess for inserting the attachment part.
  • the depression is substantially rectangular.
  • the attachment is attached to a side wall of the inner container.
  • the technical advantage is achieved that the evaporator tube can be attached to the horizontal pipe sections on an outer side of the side walls.
  • the attachment is attached to a floor and / or a ceiling of the inner container.
  • the attachment part is formed from a thermally conductive material.
  • the inner container comprises a first attachment part on a side wall and a second attachment part on an opposite side wall.
  • the first attachment part and the second attachment part are identically shaped.
  • the technical advantage is achieved, for example, that reduces the cost of manufacturing the refrigerator.
  • the attachment is glued to the inner container. As a result, for example, the technical advantage is achieved that the attachment can be quickly and reliably attached to the inner container.
  • the Umlenknasen are formed by deep drawing of the inner container.
  • the technical advantage is achieved that the Umlenknasen are an integral part of the inner container.
  • the Umlenknasen are formed by semi-circular discs which are attached to the inner container or deep drawn.
  • the technical advantage is achieved that the Umlenknasen be formed with a low material usage.
  • the Umlenknasen include overhangs that press the evaporator tube to a wall of the inner container.
  • the technical advantage is achieved that improves the heat transfer in the region of the bend.
  • the deflection lugs comprise a groove-shaped depression for inserting the evaporator tube.
  • a Umlenknase is semicircular or circular segment-shaped.
  • the technical advantage is achieved that a uniform radius of curvature of the bend is achieved and the evaporator tube can be deflected with low material use by any angle.
  • the evaporator tube runs meandering along the wall.
  • the technical advantage is achieved that the effective evaporator surface is increased.
  • Fig. 1 is a view of a refrigerator
  • FIG. 2 shows several views of an inner container with an evaporator tube.
  • 3A is a view of an inner container with an evaporator tube.
  • Fig. 3B is a view of a 5-sided occupied inner container
  • Fig. 4 is an enlarged cross-sectional view through a Umlenknase.
  • Fig. 1 shows a refrigerator representative of a refrigerator 100 with an upper refrigerator door 1 17 for a refrigerator compartment and a lower refrigerator door 1 19 for a freezer.
  • the refrigerator is used for example for cooling food and includes a refrigerant circuit with an evaporator, a compressor, a condenser and a throttle body.
  • the evaporator is a heat exchanger in which after expansion the liquid refrigerant is absorbed by heat absorption from the medium to be cooled, i. the air inside the refrigerator, evaporates.
  • the compressor is a mechanically operated component that draws refrigerant vapor from the evaporator and expels it at a higher pressure to the condenser.
  • the condenser is a heat exchanger, in which after compression, the evaporated refrigerant by heat to an external cooling medium, ie the ambient air, is liquefied.
  • the throttle body is a device for the continuous reduction of the pressure by cross-sectional constriction.
  • the refrigerant is a fluid used for heat transfer in the cryogenic system which absorbs heat at low temperatures and low pressure of the fluid and releases heat at higher temperature and pressure of the fluid, usually including phase changes of the fluid.
  • Twin circuits with two alternately operated, parallel evaporators with non-return valve achieve an evaporating temperature above the freezer compartment temperature in the refrigerator compartment operation. Since the refrigerator compartment evaporator is filled exclusively with gaseous refrigerant when switching over from freezer to refrigerated compartment operation, recirculation of refrigerant from the freezer compartment evaporator to the condenser is often carried out before the refrigeration compartment is operated (refrigerant management). However, there are other possibilities of refrigerant management.
  • a coil evaporator (Engl. Wrap-Around Evaporator) is often used for the freezer.
  • the winding evaporator comprises an evaporator tube, which is wound around an inner container asdegut actuallyer. The inner container is thereby cooled from four sides. From a hygienic and optical point of view, it is advantageous that the evaporator is not visible in the interior and has no contact with the interior. Compared with foamed-in rollbond or tube-on-sheet evaporators, a coil evaporator is relatively easy to implement.
  • FIG. 2 shows a side, front and top view of the structure and the associated pipe guide to an inner container 101 with a rotating evaporator tube 103 of a refrigerator 100.
  • the winding evaporator comprises an evaporator tube 103 which is wound around the inner container 101 asdegut matterer.
  • the inner container 101 is thereby cooled from four sides.
  • the refrigerator door is arranged on a front side, so that the current winding evaporator next to the two side walls of the Upper and underside of the refrigerator compartment includes.
  • the evaporator tube 103 has horizontal pipe sections 103-1 and 103-2.
  • disc-shaped deflection lugs 107 are deep-drawn without edge over the prior art, at which a bend 109 of the evaporator tube 103 is guided between the horizontal pipe sections 103-1 and 103-2.
  • the evaporator tube 103 of the winding evaporator is bent by 180 °, so that the door opening is not blocked. Due to the precise mounting of the evaporator tube 103 through the Umlenknasen 107 results in a steadily falling pipe without sinks, in which the refrigerant could collect.
  • the Umlenknasen 107 are an integral part of the inner container 101 by these are curved by deep drawing of the inner container 101 to the outside.
  • a light source 127 or a light strip can be arranged, which covers the deep-drawn depressions.
  • FIG. 3A shows a view of an inner container 101 with a circulating evaporator tube 103, in which three sides of the inner container 101 are used as the evaporator surface, namely the two side walls and the rear wall.
  • the Umlenknasen 107 are formed as separately attachable attachment parts 105 with a plurality Umlenknasen 107, which are attached to the outside of the inner container 101.
  • the inner container 101 comprises, for example, a first attachment part 105-1 on one side wall and a second attachment part 105-2 on an opposite side wall.
  • the attachment part 105 with the Umlenknasen 107 allows a horizontal pipe run in refrigerators 100 with rising front door.
  • the inner container 101 has in the front region of the side walls in each case an elongated recess 1 13, which receives the attachment part 105 with the protruding Umlenknasen 107.
  • 3B shows a view of an inner container 101 with a circulating evaporator tube 103, in which all five sides of the inner container 101 are used as the evaporator surface.
  • the top parts 105 with the Umlenknasen 107 are also used on three sides of the inner container 101 in the additional recesses 17 1.
  • the additional attachment parts 121 are inserted in the recesses 123 on the top and bottom of the inner container 101.
  • the Umlenknase 125 is formed circular segment.
  • the injection of the refrigerant takes place at the top of the inner container 101 and runs there meandering to the front edge. From there, the evaporator tube 103 is deflected to the left side of the container and extends on the two side walls and the rear wall down. The deflection to the shelf is then analogous to the top.
  • the attachments 105 on the left and right sidewalls are identical components that are rotated relative to each other. This is also the case with the attachment parts 121 at the top and bottom of the inner container 101, so that the complexity increases only slightly.
  • the attachment parts 105 may be made, for example, from plastic injection molding and glued into the recesses 1 13 of the inner container 101.
  • the winding of the evaporator tube 104 can be done by means of a robot arm.
  • a light source 127 may be arranged to the interior lighting.
  • the Umlenknasen 107 can also be formed by semicircular discs, which are individually attached to the inner container 101.
  • FIG. 4 shows an enlarged cross-sectional view through a deflection nose 107 with a pipe bend on a wall of the inner container 101.
  • a deflection nose 107 By an obliquely upwardly extending overhang 1 1 1 of Umlenknase 107 a better contact of the evaporator tube 103 is achieved with the inner container 101.
  • the overhangs 1 1 1 press the evaporator tube 103 to the container wall. This is particularly relevant at the top and bottom, since there runs the evaporator tube 103 within a plane.
  • a heat-conductive mass 1 15 is arranged for a better thermal contact, for example, a butyl layer.
  • the Umlenknasen 107 may include lights, such as LEDs, for the illumination of the interior. Furthermore, the recesses 1 13 may not be flat and thus serve as a holder for glass plates / shelves.
  • the described embodiment of a coil evaporator has the advantage of a uniform refrigerant distribution due to continuous horizontal or slightly sloping evaporator tubes 103. This increases the effective evaporation area and increases the evaporation temperature. Alternatively, all five sides of the inner container 101 can be covered with evaporator tubes 103 for an even larger evaporator surface. By eliminating siphons in which the refrigerant collects, the winding evaporator is also better for use with twin circuits with refrigerant management.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

La présente invention concerne un appareil frigorifique comprenant un contenant interne (101) pour des produits réfrigérés et un tube d'évaporateur (103) servant à la circulation d'un frigorigène, enroulé autour du contenant interne (101) de manière à former des segments horizontaux, le contenant interne (101) étant doté de blocs de renvoi (107) guidant l'incurvation (109) du tube d'évaporateur (103) entre les segments de tube horizontaux.
PCT/EP2015/062379 2014-06-05 2015-06-03 Appareil frigorifique doté d'un évaporateur Ceased WO2015185627A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201590000664.6U CN206496548U (zh) 2014-06-05 2015-06-03 具有蒸发器的制冷器具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014210679.6A DE102014210679A1 (de) 2014-06-05 2014-06-05 Kältegerät mit einem Verdampfer
DE102014210679.6 2014-06-05

Publications (1)

Publication Number Publication Date
WO2015185627A1 true WO2015185627A1 (fr) 2015-12-10

Family

ID=53276157

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/062379 Ceased WO2015185627A1 (fr) 2014-06-05 2015-06-03 Appareil frigorifique doté d'un évaporateur

Country Status (3)

Country Link
CN (1) CN206496548U (fr)
DE (1) DE102014210679A1 (fr)
WO (1) WO2015185627A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3123112B1 (fr) * 2021-05-18 2024-02-23 Freecold Dispositif réfrigérant portatif

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2720762A (en) * 1952-04-15 1955-10-18 Gen Motors Corp Evaporator for refrigerating apparatus
FR1171814A (fr) * 1957-04-20 1959-01-30 Perfectionnements aux évaporateurs pour appareils de réfrigération
JPS446049Y1 (fr) * 1966-04-02 1969-03-05
JPS4740030Y1 (fr) * 1970-11-19 1972-12-04
DE102010028526A1 (de) * 2010-05-04 2011-11-10 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät und Verdampfer dafür

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008021104A1 (de) 2008-04-09 2009-10-15 BSH Bosch und Siemens Hausgeräte GmbH Kältegeräte
DE102010028527A1 (de) 2010-05-04 2011-11-10 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät und Verdampfer dafür
DE102011088656A1 (de) 2011-12-15 2013-06-20 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit einem statischen Verdampfer und einem dynamischen Verdampfer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2720762A (en) * 1952-04-15 1955-10-18 Gen Motors Corp Evaporator for refrigerating apparatus
FR1171814A (fr) * 1957-04-20 1959-01-30 Perfectionnements aux évaporateurs pour appareils de réfrigération
JPS446049Y1 (fr) * 1966-04-02 1969-03-05
JPS4740030Y1 (fr) * 1970-11-19 1972-12-04
DE102010028526A1 (de) * 2010-05-04 2011-11-10 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät und Verdampfer dafür

Also Published As

Publication number Publication date
DE102014210679A1 (de) 2015-12-17
CN206496548U (zh) 2017-09-15

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