EP2171373A1 - Appareil frigorifique et son évaporateur - Google Patents
Appareil frigorifique et son évaporateurInfo
- Publication number
- EP2171373A1 EP2171373A1 EP08774909A EP08774909A EP2171373A1 EP 2171373 A1 EP2171373 A1 EP 2171373A1 EP 08774909 A EP08774909 A EP 08774909A EP 08774909 A EP08774909 A EP 08774909A EP 2171373 A1 EP2171373 A1 EP 2171373A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- evaporator
- line
- line sections
- appliance according
- refrigerating appliance
- 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
- 239000003507 refrigerant Substances 0.000 claims abstract description 33
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 15
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
-
- 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
- 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
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
-
- 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
- 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
- F25B2500/00—Problems to be solved
- F25B2500/01—Geometry problems, e.g. for reducing size
-
- 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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2210/00—Heat exchange conduits
- F28F2210/02—Heat exchange conduits with particular branching, e.g. fractal conduit arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2210/00—Heat exchange conduits
- F28F2210/10—Particular layout, e.g. for uniform temperature distribution
Definitions
- the present invention relates to a refrigerator with at least one storage compartment and a refrigerant circuit comprising an evaporator for cooling the storage compartment, and an evaporator for such a refrigeration device.
- Such evaporators conventionally include a circuit board on which a refrigerant line extends in loops from an injection point to an outlet point.
- the loops are usually regularly arranged in successive installation orientation of the evaporator from top to bottom, so that when at the beginning of a cooling phase refrigerant is injected into the evaporator, the liquid refrigerant and with him the cooling effect only gradually from top to bottom over the entire evaporator surface spreads. Several minutes may pass before the entire evaporator surface has cooled evenly. This effect is all the greater, the larger the circuit board of the evaporator and / or its conduit length and the more intense the heat exchange at the surface of the evaporator.
- Object of the present invention is to provide a refrigerator with improved energy efficiency and suitable for such a refrigerator evaporator.
- the object is achieved on the one hand by the fact that in a refrigerator with at least one storage compartment and a refrigerant circuit comprising an evaporator on the
- Evaporator at least two the one storage compartment cooling line sections are formed, which are connected in parallel in the refrigerant circuit and spaced from each other
- both line sections are simultaneously supplied with liquid refrigerant upon activation of the refrigerant circuit; because they have spaced centers of gravity, theirs focuses
- the spacing of the centroids should therefore be at least greater than the ratio of the surface area of the evaporator to the length of the refrigerant line extending thereon.
- the separation of the line sections may be such that a boundary can be drawn on the evaporator between regions cooled by one and the other of the line sections, which is not longer than the sum of the edge lengths of the evaporator.
- the cooling effect initially is expedient for the cooling effect initially to be used in regions of the evaporator which are at a distance from one another and from there to spread over the evaporator surface.
- the line sections are expediently arranged so that on at least one of the line sections, the line length between an upstream starting point of the power section and the farthest from a center of the evaporator point of this line section is shorter than the line length between the farthest from the center of the evaporator point and a downstream end point of the same line section.
- a branch forming an upstream starting point of the pipe sections is preferably arranged on a circuit board of the evaporator itself. So only a single supply line to the evaporator board must be connected to supply all line sections with refrigerant. In a corresponding manner, it is expedient for the discharge of the refrigerant that a confluence, which forms a downstream end point of the line sections, is likewise formed on the evaporator plate.
- the object is further achieved by an evaporator for a refrigeration device in which line sections connected in parallel to a common injection point are arranged on an evaporator plate.
- Fig. 1 is a schematic representation of an evaporator according to the invention for a
- Refrigerating appliance with a single storage compartment
- Fig. 2 shows a second embodiment of the evaporator according to the invention.
- Fig. 1 is a schematic plan view of an evaporator for a refrigerator with a single storage compartment, such as a refrigerator or freezer.
- the evaporator can be joined together in a manner known per se to a person skilled in the art from a planar board on which a pipeline is attached as refrigerant channel 1, or a planar board and a board into which a refrigerant channel 1 is embossed.
- the second alternative is preferred because it facilitates the production of a branched refrigerant channel, as described in more detail below.
- At a junction in the upper left corner of the board leads leading to a compressor of the refrigerator suction line 11 to the refrigerant passage 1.
- a guided in the suction line capillary 2 is inserted at an injection point 12 tightly into a bottleneck of the refrigerant passage 1.
- the evaporator can, for example, in a rear wall of the Refrigerating device, between an inner container and an insulating foam layer, be mounted with the inner container facing planar board.
- the invention is also applicable to an evaporator which is arranged in the inner container of a refrigerator and surrounds a freezing compartment there.
- a branch 3 is formed in the refrigerant channel 1, at which the refrigerant flow is divided into two line sections 4, 5.
- the line section 4 substantially fills the upper half of the evaporator plate and extends in several U-shaped loops to a confluence 6, where it again meets the line section 5.
- the line section 5 extends from the branch 3, initially along the edges of the evaporator plate to a lower edge, from where it also forms a loop on the confluence 6.
- the line length between the branch 3 and a point 7 and 8 of the line section furthest from a center C of the board is substantially shorter than the distance from point 7 or 8 to the confluence 6.
- the distance between the centers of gravity 9, 10 of the line sections 4, 5 is many times greater than the distance d between adjacent parallel pieces of the line sections 4, 5 and thus significantly larger than the ratio of board surface to the total length of the refrigerant channels extending thereon. 1
- Fig. 2 shows a second embodiment of the evaporator. While in the embodiment of Fig. 1, a clear distinction between a substantially cooled by the line section 4 upper half and a cooled only from the line section 5 lower half of the board is possible, such a clear separation in the embodiment of FIG. 2 is not given. Although here, too, the upper half of the evaporator plate is essentially cooled only by the line section 4, while the line section 5 along the top and right edges of the board on the shortest path of the lower half of the board strives, but extend in this lower half of the line sections 4, 5 largely next to each other.
- the line sections 4, 5 are substantially equal in length
- the line section 5 is significantly shorter than the section 4.
- the line cross-section in the section 5 is smaller than in section 4. It can be chosen taking into account the lengths of the sections 4, 5 so that both sections 4, 5 have a same flow resistance.
- the loops of the line section 5 extend to less than half of the board surface and also the lower board half is cooled in the stationary operating state via the line section 4, the flow resistance of the line section 5 but also higher than that of the line section 4th to get voted.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08774909T PL2171373T3 (pl) | 2007-07-24 | 2008-07-09 | Urządzenie chłodnicze |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007034294A DE102007034294A1 (de) | 2007-07-24 | 2007-07-24 | Kältegerät und Verdampfer dafür |
PCT/EP2008/058903 WO2009013130A1 (fr) | 2007-07-24 | 2008-07-09 | Appareil frigorifique et son évaporateur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2171373A1 true EP2171373A1 (fr) | 2010-04-07 |
EP2171373B1 EP2171373B1 (fr) | 2015-09-09 |
Family
ID=39817041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08774909.9A Active EP2171373B1 (fr) | 2007-07-24 | 2008-07-09 | Appareil frigorifique |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2171373B1 (fr) |
CN (1) | CN101755176B (fr) |
DE (1) | DE102007034294A1 (fr) |
PL (1) | PL2171373T3 (fr) |
RU (1) | RU2477427C2 (fr) |
WO (1) | WO2009013130A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3620741A1 (fr) * | 2018-09-04 | 2020-03-11 | Ovh | Dispositif de transfert thermique comportant un conduit de fluide |
BE1026655B1 (nl) * | 2018-09-27 | 2020-04-28 | Vos Technics Bvba | Verdamper |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110088881A1 (en) * | 2009-10-16 | 2011-04-21 | Tai-Her Yang | Heat absorbing or dissipating device with piping staggered and uniformly distributed by temperature difference |
DE102011117928A1 (de) * | 2011-09-19 | 2013-03-21 | Bundy Refrigeration Gmbh | Mehrkanal-Verdampfersystem |
DE102011117967A1 (de) * | 2011-10-06 | 2013-04-11 | Liebherr-Hausgeräte Ochsenhausen GmbH | Mehrkanal-Verdampfer |
CN102519201B (zh) * | 2011-12-24 | 2015-07-01 | 广东奥马电器股份有限公司 | 带有高效节能蒸发器的冷藏箱 |
DE102013215825A1 (de) * | 2013-08-09 | 2015-02-12 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerät mit einem Verdampfer |
CN103697651A (zh) * | 2013-12-31 | 2014-04-02 | 合肥华凌股份有限公司 | 一种冷柜制冷*** |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH259212A (fr) | 1945-09-04 | 1949-01-15 | Dole Refrigerating Products In | Elément de réfrigération à vide. |
US2654226A (en) | 1951-08-18 | 1953-10-06 | Seeger Refrigerator Co | Automatic defrosting evaporator |
CN2171822Y (zh) * | 1992-08-27 | 1994-07-13 | 关绍勤 | 装有套管的管板式蒸发器 |
NL1001064C1 (nl) * | 1995-06-28 | 1995-11-15 | Fasting Corian Verwerking | Koelinrichting. |
CN2359635Y (zh) * | 1998-12-10 | 2000-01-19 | 北京燕翔机械厂 | 丝管式蒸发器 |
US6185957B1 (en) * | 1999-09-07 | 2001-02-13 | Modine Manufacturing Company | Combined evaporator/accumulator/suctionline heat exchanger |
DE10126817A1 (de) * | 2001-06-01 | 2002-12-05 | Bsh Bosch Siemens Hausgeraete | Kältegerät |
ITVA20010006U1 (it) * | 2001-06-12 | 2002-12-12 | Whirlpool Co | Congelatore verticale e frigorifero che lo comprende |
-
2007
- 2007-07-24 DE DE102007034294A patent/DE102007034294A1/de not_active Withdrawn
-
2008
- 2008-07-09 EP EP08774909.9A patent/EP2171373B1/fr active Active
- 2008-07-09 CN CN2008801000266A patent/CN101755176B/zh not_active Expired - Fee Related
- 2008-07-09 PL PL08774909T patent/PL2171373T3/pl unknown
- 2008-07-09 RU RU2010104627/06A patent/RU2477427C2/ru active
- 2008-07-09 WO PCT/EP2008/058903 patent/WO2009013130A1/fr active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2009013130A1 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3620741A1 (fr) * | 2018-09-04 | 2020-03-11 | Ovh | Dispositif de transfert thermique comportant un conduit de fluide |
EP3792576A1 (fr) * | 2018-09-04 | 2021-03-17 | Ovh | Dispositif de transfert thermique comportant un conduit de fluide |
US11644254B2 (en) | 2018-09-04 | 2023-05-09 | Ovh | Thermal transfer device having a fluid conduit |
BE1026655B1 (nl) * | 2018-09-27 | 2020-04-28 | Vos Technics Bvba | Verdamper |
Also Published As
Publication number | Publication date |
---|---|
PL2171373T3 (pl) | 2016-02-29 |
DE102007034294A1 (de) | 2009-01-29 |
CN101755176A (zh) | 2010-06-23 |
RU2477427C2 (ru) | 2013-03-10 |
WO2009013130A1 (fr) | 2009-01-29 |
CN101755176B (zh) | 2012-04-11 |
EP2171373B1 (fr) | 2015-09-09 |
RU2010104627A (ru) | 2011-08-27 |
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