EP2694890A1 - Haushaltskältegerät mit über stege verbundene verdampferplatten - Google Patents
Haushaltskältegerät mit über stege verbundene verdampferplattenInfo
- Publication number
- EP2694890A1 EP2694890A1 EP12713104.3A EP12713104A EP2694890A1 EP 2694890 A1 EP2694890 A1 EP 2694890A1 EP 12713104 A EP12713104 A EP 12713104A EP 2694890 A1 EP2694890 A1 EP 2694890A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- evaporator
- plate
- plates
- wall
- storage space
- 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
- 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
- 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
- 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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/04—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in series
-
- 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
- F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
- F28D2021/0071—Evaporators
Definitions
- the invention relates to a domestic refrigerator, comprising an inner container having at least one coolable storage space for refrigerated goods bounding container walls with rear surfaces, and a refrigerant cycle system with at least two evaporator plates, the front sides of differently oriented back
- a thermally insulated housing in particular for household refrigeration furniture is known, with a plastic inner container, on the heat insulation facing the outside of a plate-shaped evaporator with good heat transfer in close contact, wherein at one, at least the upper portion of Back wall covering the central evaporator section to connect lateral evaporator sections which extend in the upper region of the side walls of the inner container outboard to the vicinity of the opening of the housing.
- the evaporator is formed of a coil whose walls are fixed on a heat-conducting support plate by clamping, Anschellen, soldering or the like.
- the support plate is interrupted by vertical slots, which are bridged only by the tubes of the coil. In this way, the individual can be
- the object of the invention is a household refrigerator with an improved
- a domestic refrigeration appliance comprising an inner container which has at least one coolable storage space for refrigerated goods bounding container walls with rear surfaces, and a refrigerant cycle system with at least two evaporator plates, the front sides of which rest against differently oriented rear surfaces of the container walls and whose backs are covered with at least one evaporator tube, in which one evaporator plate is connected to another evaporator plate by at least one web, one between a side edge of the one evaporator plate and one Side edge of the other evaporator plate lying gap bridged, along the one
- Transition region such as an edge, corner and / or rounding of two abutting back surfaces of two differently oriented container walls in the
- one evaporator plate may be connected to another evaporator plate through at least one web, one between a side edge of one evaporator plate and a side edge of the other
- evaporators in particular combination evaporators, can be produced in which, for example, the freezer compartment is supplied with refrigerant-carrying evaporator tubes from all five sides.
- the freezer compartment is supplied with refrigerant-carrying evaporator tubes from all five sides.
- a front in particular closable by a door leaf opening for insertion and
- Removing refrigerated goods can take the five sides of the freezer from one
- Ceiling wall a rear wall, a bottom wall and two side walls are formed.
- the evaporator plates according to the invention can by a common
- Evaporator plate can be connected for a separate cooling compartment.
- a particularly one-piece solution can be created which, in contrast to completely connected evaporator plate sections, reduces bending effort and / or bending along one edge of two abutting rear sides of adjacent side walls the freezer easier especially flexible is possible.
- Inner container Air pockets are reduced, if not completely avoided. By avoiding trapped air, the cooling capacity can be improved on the inner container or in the storage spaces of the product.
- Evaporator plate is necessary. Rather, an evaporator plate can be bent along the webs in the plane of the rear wall of the inner container.
- a compressor stall time i. If the compressor of the refrigerant cycle system is not in operation and consequently the refrigerant is not conveyed through the compressor in the evaporator tube, for example, in refrigeration and freezing combination devices, the refrigerant from the evaporator tube associated with the freezer compartment can nevertheless flow into evaporator tube sections of an evaporator associated with the refrigeration compartment. This happens especially if, when the compressor is switched off in the
- Refrigeration compartment evaporator has the same pressure as set in the freezer compartment evaporator. This is also referred to as pressure equalization in the compressor stop time. After this
- Pressure equalization prevails, is typically a slow flow of refrigerant toward the compressor instead.
- Such a slow flow can be caused or at least intensified, for example due to absorption of refrigerant in the compressor oil or due to cooling of the compressor or its interior.
- the embodiments according to the invention can be based in particular on tube plate evaporators. It can be evaporator tubes, or evaporator tube sections be used, which are designed with a reduced number of tube bends.
- the evaporator plate blanks can be made in the manner of a cross from a plane
- the evaporator tubes, or evaporator tube sections may be arranged so that the areas of the freezer compartment, in which the largest heat input consists, are primarily flowed with refrigerant. Coming from the bottom of the freezer compartment, one side of the evaporator can be provided with an ascending evaporator tube section on the flow side. This is useful to the
- the individual plates which are glued in particular on five sides of the freezer, be connected only with thin webs. This allows the evaporator tubes to be bent with bending radii optimized for the tube diameters.
- the evaporator plates can be individually adapted to the layers, orientations and / or orientations of the back sides of the container walls by suitably flexible formation of the webs. This allows the evaporator plates with their front sides over the entire surface, in particular air bubbles freely on the backs of the
- Container walls attached, in particular glued.
- refrigerated compartment evaporators can be produced separately as a separate evaporator in a special version.
- the at least one web can be more flexible than one or more
- two adjacent evaporator plates can be connected to each other by two or three webs.
- the at least one web made of the material of the evaporator plates, in particular integrally with the adjacent
- At least one evaporator plate which at the back surface of the
- Ceiling wall of the storage room is present and at least one other evaporator plate, which rests against the rear surface of the bottom wall of the storage room, can be connected by webs, in particular with the interposition of another
- Evaporator plate which bears against the rear surface of the rear wall of the storage room, be connected.
- the at least one evaporator tube can be guided along at least five evaporator plates, of which at least three, in particular four or five, evaporator plates are connected via webs according to the invention as described.
- the at least one evaporator tube in the flow direction of a refrigerant flowing through the evaporator tube can have a first evaporator tube section which is laid along an evaporator plate abutting that container wall, which forms the ceiling of the storage space and has a second evaporator tube section downstream of the first evaporator tube section in the flow direction, which is laid along an evaporator plate which adjoins the container wall and which forms the bottom of the storage space and has a third evaporator tube section connected downstream of the second evaporator tube section in the flow direction, which counteracts gravity
- the third evaporator tube section can be laid along an evaporator plate which adjoins the container wall and which is assigned to a rear wall of the storage space.
- the third evaporator tube section can be laid along an evaporator plate which adjoins the container wall and which is assigned to a side wall of the storage space.
- the evaporator tube may have a fourth evaporator tube section, which is arranged in the flow direction between the first evaporator tube section and second evaporator tube section and which is laid along an adjacent to that container wall evaporator plate, which is associated with a side wall of the storage room.
- the evaporator tube may have a fourth evaporator tube section, which is arranged in the flow direction between the first evaporator tube section and the second evaporator tube section and which is laid along an evaporator plate abutting that container wall, which is assigned to a rear wall of the storage space.
- the evaporator tube runs in the flow direction along an evaporator plate resting against that container wall, which forms the ceiling of the storage space.
- Evaporator tube in the flow direction along an adjacent to that container wall evaporator plate, which forms a first side wall of the storage space. Subsequently, the evaporator tube runs in the flow direction along an adjacent to that container wall evaporator plate, which forms a bottom wall of the storage room. Thereafter, the evaporator tube extends in the flow direction along an adjacent to that container wall evaporator plate, which forms a rear wall of the storage room. Along this rear wall, an evaporator tube section is arranged, which has a counter to the gravity directional component. Finally, the evaporator tube extends in the flow direction along an adjacent to that container wall evaporator plate, which forms a second remaining side wall of the storage room. In addition, after leaving the evaporator plates, which surround a freezer compartment, the evaporator tube in Flow direction are led to another separate evaporator plate of a cold room. Finally, this can end the evaporator tube in the compressor.
- the evaporator tube can be arranged running meandering.
- the described course of the evaporator tube can be adapted for devices with lower demand on the device energy consumption, for example by only the
- Bottom wall, the ceiling wall and / or the rear wall are provided with evaporator plates and evaporator tube.
- the outlet of the evaporator e.g. in the direction of the refrigerator compartment in refrigerated-freezer combination devices are designed so that there is a pipe run on the rear wall, the one
- Overflow prevention has, for example, an on-side V-shape or U-shape at the upper end of which is the exit from the freezer compartment of the associated evaporator. If refrigerant now arrives in this lying V-shaped evaporator tube section in the compressor standstill, gravity will counteract an overflow of refrigerant.
- Evaporator tube and evaporator plate during bending can be avoided so.
- the refrigerant-carrying evaporator pipe sections can be less
- FIG. 1 is a schematic representation of an arrangement of evaporator plates and an evaporator tube with evaporator tube sections in a flat, unbent form
- FIG. 2 is a perspective view of a rear side of an inner container of a
- Fig. 1 shows a section of an inner container 2 using the example of a
- the inner container 2 has container walls 2a, 2b, 2c, 2d, 2e, which limit a coolable storage space 3 for refrigerated goods.
- container walls 2a, 2b, 2c, 2d, 2e which limit a coolable storage space 3 for refrigerated goods.
- the storage room 3 is a freezer.
- the container walls 2a, 2b, 2c, 2d, 2e have back surfaces to which evaporator plates 5a, 5b, 5c, 5d, 5e of a refrigerant cycle system 4 arranged heat conductively, or fixed, in particular glued.
- Refrigerant cycle system 4 five on the container walls 2a, 2b, 2c, 2d, 2e of the
- the evaporator plate 5c which abuts on the rear surface of the ceiling wall, ie on the container wall 2c of the storage space 3 and that evaporator plate 5a, which rests against the rear surface of the bottom wall, ie, on the container wall 2a of the storage space 3, are connected by webs 6 in the illustrated embodiment.
- Evaporator plate 5a and the evaporator plate 5e and the evaporator plate 5c and the evaporator plate 5e are interconnected by three webs 6 each.
- the webs 6 are made of the material of the evaporator plates 5a, 5b, 5c, 5d, 5e, in particular integrally formed with the adjacent evaporator plates 5a, 5b, 5c, 5d, 5e.
- the webs 6 bridge one between a side edge 7c of the one
- the webs 6 also bridge a gap 8 located between a side edge 7a of one evaporator plate 5a and a side edge 7e of the other evaporator plate 5e.
- the transitional regions 9 may, for example, at right angles or at least approximately perpendicular to each other oriented, abutting surfaces of straight edges of a box-shaped or cuboidal
- Inner container 2 or storage space 3 or refrigerator are formed. These edges can have a rounded contour.
- the webs 6 have a higher flexibility than one or more evaporator tubes 10, or evaporator tube sections 10a, 10b, 10c, 10d, 10e, which are bridged over the gaps 8 bridged by the webs 6 from the one evaporator plate 5a, 5b, 5c, 5d, 5e are led away to another evaporator plate 5a, 5b, 5c, 5d, 5e.
- the evaporator tube sections 10 a, 10 b, 10 c, 10 d, 10 e are formed by a continuous, one-piece evaporator tube 10.
- the evaporator tube 10 has in the flow direction of the refrigerant, as indicated by the arrows in Fig.
- a first evaporator tube section 10 c which is laid along a voltage applied to that container wall 2 c evaporator plate 5 c, which is associated with the ceiling of the storage room 3.
- a second evaporator tube section 10a Downstream of the first evaporator tube section 10c in the flow direction is a second evaporator tube section 10a, which is laid along an evaporator plate 5a adjacent to that container wall 2a, which is assigned to the floor of the storage room.
- Evaporator pipe section 10e has an anti-gravity
- the third evaporator tube section 10e is laid along an evaporator plate 5e adjacent to that container wall 2e, which is assigned a rear wall of the storage space 3.
- the evaporator tube 10 also has a fourth evaporator tube section 10b which is arranged in the flow direction between the first evaporator tube section 10c and the second evaporator tube section 10a and which is laid along an evaporator plate 5b adjacent to that container wall 2b which is assigned to a side wall of the storage space 3.
- the evaporator tubes 10 with the evaporator tube sections 10a, 10b, 10c, 10d, 10e can optionally have a separate evaporator 12 for a separate storage room 14, in particular a frost-free refrigerated compartment, with a separate evaporator plate 13, and a further evaporator tube 11 to be connected to the evaporator tube 10 Flow direction to be connected subsequently.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011006953A DE102011006953A1 (de) | 2011-04-07 | 2011-04-07 | Haushaltskältegerät mit über Stege verbundene Verdampferplatten |
| PCT/EP2012/055708 WO2012136569A1 (de) | 2011-04-07 | 2012-03-29 | Haushaltskältegerät mit über stege verbundene verdampferplatten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2694890A1 true EP2694890A1 (de) | 2014-02-12 |
| EP2694890B1 EP2694890B1 (de) | 2016-10-12 |
Family
ID=45937339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12713104.3A Not-in-force EP2694890B1 (de) | 2011-04-07 | 2012-03-29 | Haushaltskältegerät mit über stege verbundene verdampferplatten |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2694890B1 (de) |
| DE (1) | DE102011006953A1 (de) |
| PL (1) | PL2694890T3 (de) |
| WO (1) | WO2012136569A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034115B (zh) * | 2013-03-18 | 2016-08-10 | 海尔集团公司 | 直冷冰箱 |
| WO2014173761A1 (en) * | 2013-04-26 | 2014-10-30 | BSH Bosch und Siemens Hausgeräte GmbH | An efficient cooling device having a coil |
| DE102013215491A1 (de) * | 2013-08-06 | 2015-02-12 | BSH Bosch und Siemens Hausgeräte GmbH | Kombinationskältegerät |
| CN103363757A (zh) * | 2013-08-07 | 2013-10-23 | 合肥美菱股份有限公司 | 具有丝管式蒸发器的制冷装置 |
| DE102013215825A1 (de) * | 2013-08-09 | 2015-02-12 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerät mit einem Verdampfer |
| CN108895755A (zh) * | 2018-05-30 | 2018-11-27 | 海信容声(广东)冷柜有限公司 | 一种冷柜内胆结构及冷柜 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2386889A (en) * | 1940-08-02 | 1945-10-16 | Outboard Marine & Mfg Co | Coil assembly |
| DE1003236B (de) * | 1955-11-11 | 1957-02-28 | Stempel Hermetik G M B H | Waermeaustauscher, insbesondere Verdampfer fuer Kuehlschraenke u. dgl. |
| DE3204556C2 (de) | 1982-02-10 | 1986-11-13 | Bosch-Siemens Hausgeräte GmbH, 8000 München | Wärmeisoliertes Gehäuse, insbesondere für Haushalts-Kühlmöbel oder dergleichen |
| CN201145455Y (zh) * | 2007-12-10 | 2008-11-05 | 广州擎天成套装备工程有限公司 | 串联整体式冰箱蒸发器 |
-
2011
- 2011-04-07 DE DE102011006953A patent/DE102011006953A1/de not_active Withdrawn
-
2012
- 2012-03-29 PL PL12713104T patent/PL2694890T3/pl unknown
- 2012-03-29 EP EP12713104.3A patent/EP2694890B1/de not_active Not-in-force
- 2012-03-29 WO PCT/EP2012/055708 patent/WO2012136569A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2012136569A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011006953A1 (de) | 2012-10-11 |
| EP2694890B1 (de) | 2016-10-12 |
| WO2012136569A1 (de) | 2012-10-11 |
| PL2694890T3 (pl) | 2017-03-31 |
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