EP3030849B1 - Combination refrigerator - Google Patents
Combination refrigerator Download PDFInfo
- Publication number
- EP3030849B1 EP3030849B1 EP14747344.1A EP14747344A EP3030849B1 EP 3030849 B1 EP3030849 B1 EP 3030849B1 EP 14747344 A EP14747344 A EP 14747344A EP 3030849 B1 EP3030849 B1 EP 3030849B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- evaporator
- plate
- freezer compartment
- trough
- compartment trough
- 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.)
- Active
Links
- 239000003507 refrigerant Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 238000001816 cooling Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
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
- 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
- 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
- F25D23/006—General constructional features for mounting refrigerating machinery components
-
- 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 method of assembling a combination refrigerating apparatus having an inner container forming a refrigerating compartment trough and a freezing compartment trough, a box evaporator surrounding the freezing compartment trough on four sides, and a plate evaporator comprising a plate disposed at a rear side of the refrigerating compartment trough and the freezing compartment trough.
- a similar refrigeration device is off DE202005000909U1 known.
- DE 10 2011 006 953 A1 discloses a similar combination refrigerator with a plate evaporator distributed over five sides of a freezer well, and a plate evaporator disposed at a rear of the refrigerated well.
- a large expansion of the evaporator is particularly interesting in a freezer, because the larger the evaporator surface, the smaller the temperature difference between the evaporator and the compartment cooled by it can be made.
- a high evaporator temperature improves the efficiency of the device. It is therefore desirable per se to be able to cool the fifth side of a freezer compartment. Wrapping with the refrigerant pipe as on the first four sides of the freezer compartment is not possible on this fifth page.
- the object of the present invention is therefore to provide a method with which a combination refrigeration appliance can be produced efficiently, which enables cooling of the freezer compartment tray to more than four sides.
- the plate evaporator is designed as a tube-on-sheet evaporator. This simplifies the production of a refrigerant-conducting connection between the two plates of the plate evaporator.
- a refrigerant pipe of the plate evaporator integrally extends over the first and second plates to avoid soldering between the plates and associated possible leakage and the labor of soldering.
- a connection point for connecting, in particular soldering, a tube of the box evaporator is preferably formed on a second plate.
- the large extent of the evaporator surface on the freezer compartment tub allows in particular a structure of the refrigerant circuit, in which the box evaporator is connected upstream of the plate evaporator.
- the refrigerant tube is expediently less densely laid on the first plate of the plate evaporator than on the second.
- Fig. 1 shows a one-piece deep-drawn inner container 1 for a combination refrigerator in a perspective view.
- the inner container 1 comprises a freezer compartment trough 2 and, separated therefrom by a gap 3, a refrigerating compartment trough 4, which is not completely shown in the figure.
- Both troughs 2, 4 are essentially cuboid with an open front.
- Side walls 5, 6 ceiling and bottom of the freezer compartment 2 are covered over a large area of metal plates 7, in particular of aluminum.
- Refrigerant tube 8 extends helically around the side walls 5, ceiling 6 and the bottom of the freezer compartment 2 and is thermally conductive attached to the metal plates 7 to form a box evaporator 18.
- a plate evaporator 9 is shown in the figure spaced from the rear sides 10, 11 of the freezer compartment 2 and the refrigerating compartment 4, because he (9) on the back (10) of the freezer compartment (2) and the back (11) of the refrigerating compartment trough (4) only after mounting the box evaporator (18) is mounted.
- the plate evaporator 9 formed by tube-on-sheet technology comprises two metal plates 12, 13 which are provided for attachment to the rear sides 10, 11, and a refrigerant tube 14 which extends integrally over both plates 12, 13 and soldered to them or glued thermally conductive.
- the metal plate 12 is sized to fully fill the back 10 to its rounded edges; the metal plate 13 may be smaller than the back 11 of the refrigerator compartment 4.
- An inlet port 15 of the refrigerant pipe 14 is located between the two metal plates 12, 13; proceeding from there, the refrigerant tube 14 initially extends in loose meanders on the metal plate 13 downwards, then rises again at the edge of the plate 13, then to bridge the gap between the plates 12, 13 and on the metal plate 12 in comparison to the plate 13 narrower meanders ascend.
- a cranked portion 16 between the plates 12, 13 compensates for an offset in the depth direction between the back faces 10, 11 of the troughs 2, 4.
- An outlet port 17 projects beyond a corner of the metal plate 12 to be soldered to the inner vessel 1 at one end of the refrigerant tube 8 after attachment of the plate evaporator 9.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
Die vorliegende Erfindung betrifft ein Verfahren zum Montieren eines Kombinationskältegerätes mit einem eine Kühlfachwanne und eine Gefrierfachwanne bildenden Innenbehälter, einem Kastenverdampfer, der die Gefrierfachwanne an vier Seiten umgibt, und einem Plattenverdampfer, der eine an einer Rückseite der Kühlfachwanne und der Gefrierfachwanne angeordnete Platte umfasst.The present invention relates to a method of assembling a combination refrigerating apparatus having an inner container forming a refrigerating compartment trough and a freezing compartment trough, a box evaporator surrounding the freezing compartment trough on four sides, and a plate evaporator comprising a plate disposed at a rear side of the refrigerating compartment trough and the freezing compartment trough.
Ein ähnliches Kältegerät ist aus
Eine große Ausdehnung des Verdampfers ist insbesondere an einem Gefrierfach interessant, denn je größer die Verdampferfläche ist, umso kleiner kann die Temperaturdifferenz zwischen dem Verdampfer und dem von ihm gekühlten Fach gemacht werden. Eine hohe Verdampfertemperatur verbessert den Wirkungsgrad des Geräts. Es ist daher an sich wünschenswert, auch die fünfte Seite einer Gefrierfachwanne kühlen zu können. Ein Umwickeln mit dem Kältemittelrohr wie an den ersten vier Seiten der Gefrierfachwanne ist an dieser fünften Seite jedoch nicht mehr möglich.A large expansion of the evaporator is particularly interesting in a freezer, because the larger the evaporator surface, the smaller the temperature difference between the evaporator and the compartment cooled by it can be made. A high evaporator temperature improves the efficiency of the device. It is therefore desirable per se to be able to cool the fifth side of a freezer compartment. Wrapping with the refrigerant pipe as on the first four sides of the freezer compartment is not possible on this fifth page.
Aufgabe der vorliegenden Erfindung ist daher, ein Verfahren zu schaffen, mit dem ein Kombinationskältegerät rationell zu fertigen ist, das eine Kühlung der Gefrierfachwanne an mehr als vier Seiten ermöglicht.The object of the present invention is therefore to provide a method with which a combination refrigeration appliance can be produced efficiently, which enables cooling of the freezer compartment tray to more than four sides.
Die Aufgabe wird gelöst durch ein Verfahren mit den Merkmalen des Anspruchs 1. Unteransprüche sind auf vorteilhafte Weiterentwicklungen gerichtet.The object is achieved by a method having the features of claim 1. Subclaims are directed to advantageous developments.
Vorzugsweise ist der Plattenverdampfer als Tube-on-Sheet-Verdampfer ausgebildet. Dies vereinfacht die Herstellung einer das Kältemittel leitenden Verbindung zwischen den beiden Platten des Plattenverdampfers.Preferably, the plate evaporator is designed as a tube-on-sheet evaporator. This simplifies the production of a refrigerant-conducting connection between the two plates of the plate evaporator.
Vorzugsweise erstreckt ein Kältemittelrohr des Plattenverdampfers sich einteilig über die erste und die zweite Platte, um eine Lötstelle zwischen den Platten und eine damit verbundene mögliche Undichtigkeit und den Arbeitsaufwand des Lötens zu vermeiden. Eine Anschlussstelle zum Anschließen, insbesondere Anlöten, eines Rohrs des Kastenverdampfers ist vorzugsweise an einer zweiten Platte gebildet. So kann das Kältemittelrohr des Kastenverdampfers unbehindert durch den Plattenverdampfer um die Gefrierfachwanne gewickelt und anschließend der Plattenverdampfer montiert und an den Kastenverdampfer angeschlossen werden.Preferably, a refrigerant pipe of the plate evaporator integrally extends over the first and second plates to avoid soldering between the plates and associated possible leakage and the labor of soldering. A connection point for connecting, in particular soldering, a tube of the box evaporator is preferably formed on a second plate. Thus, the refrigerant pipe of the box evaporator can be freely wrapped by the plate evaporator to the freezer compartment and then mounted the plate evaporator and connected to the box evaporator.
Die große Ausdehnung der Verdampferfläche an der Gefrierfachwanne erlaubt insbesondere einen Aufbau des Kältemittelkreislaufs, bei dem der Kastenverdampfer dem Plattenverdampfer vorgeschaltet ist.The large extent of the evaporator surface on the freezer compartment tub allows in particular a structure of the refrigerant circuit, in which the box evaporator is connected upstream of the plate evaporator.
Wenn sich die Verdampfungstemperaturen des Kältemittels im Platten- und Kastenverdampfer nicht wesentlich unterscheiden, genügt eine geringe Länge des Kältemittelrohrs auf der ersten Platte des Plattenverdampfers, um die Kühlfachwanne ausreichend zu kühlen. Um dennoch eine homogene Temperaturverteilung im Kühlfach zu erzielen, sollte die erste Platte dennoch einen Großteil der Rückseite der Kühlfachwanne bedecken. Deswegen ist zweckmäßigerweise das Kältemittelrohr auf der ersten Platte des Plattenverdampfers weniger dicht verlegt als auf der zweiten.If the evaporation temperatures of the refrigerant in the plate and box evaporator are not substantially different, a small length of the refrigerant tube on the first plate of the plate evaporator suffices to sufficiently cool the refrigerator compartment. Nevertheless, in order to achieve a homogeneous temperature distribution in the cooling compartment, the first panel should still cover a large part of the back of the refrigerator compartment tray. Therefore, the refrigerant tube is expediently less densely laid on the first plate of the plate evaporator than on the second.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen unter Bezugnahme auf die beigefügte Figur.
- Fig. 1
- zeigt in einer auseinander gezogenen Ansicht einen Innenbehälter und einen Plattenverdampfer eines Kombinationskältegeräts, das mit einem erfindungsgemäßen Verfahren montiert wird.
- Fig. 1
- shows in an exploded view of an inner container and a plate evaporator of a combination refrigerator, which is mounted by a method according to the invention.
Ein Plattenverdampfer 9 ist in der Figur beabstandet von Rückseiten 10, 11 der Gefrierfachwanne 2 und der Kühlfachwanne 4 dargestellt, weil er (9) an der Rückseite (10) der Gefrierfachwanne (2) und der Rückseite (11) der Kühlfachwanne (4) erst nach dem Montieren des Kastenverdampfers (18) montiert wird. Der in Tube-on-Sheet-Technik ausgebildete Plattenverdampfer 9 umfasst zwei Metallplatten 12, 13, die zur Anbringung an den Rückseiten 10, 11 vorgesehen sind, und ein Kältemittelrohr 14, das sich einteilig über beide Platten 12, 13 erstreckt und an diesen verlötet oder wärmeleitend verklebt ist. Die Metallplatte 12 ist bemessen, um die Rückseite 10 bis an ihre abgerundeten Kanten vollflächig auszufüllen; die Metallplatte 13 kann kleiner sein als die Rückseite 11 der Kühlfachwanne 4.A plate evaporator 9 is shown in the figure spaced from the
Ein Einlassanschluss 15 des Kältemittelrohrs 14 befindet sich zwischen den beiden Metallplatten 12, 13; ausgehend von dort erstreckt sich das Kältemittelrohr 14 zunächst in lockeren Mäandern an der Metallplatte 13 abwärts, steigt anschließend am Rand der Platte 13 wieder auf, um anschließend den Spalt zwischen den Platten 12, 13 zu überbrücken und auf der Metallplatte 12 in im Vergleich zur Platte 13 enger beabstandeten Mäandern aufzusteigen. Ein gekröpfter Abschnitt 16 zwischen den Platten 12, 13 gleicht einen Versatz in Tiefenrichtung zwischen den Rückseiten 10, 11 der Wannen 2, 4 aus. Eine Auslass-Anschlussstelle 17 steht über eine Ecke der Metallplatte 12 über, um nach Anbringung des Plattenverdampfers 9 an dem Innenbehälter 1 an einem Ende des Kältemittelrohrs 8 verlötet zu werden.An
- 11
- Innenbehälterinner container
- 22
- Gefrierfachwannefreezer tray
- 33
- Zwischenraumgap
- 44
- KühlfachwanneCooling compartment sink
- 55
- SeitenwandSide wall
- 66
- Deckeceiling
- 77
- Metallplattemetal plate
- 88th
- KältemittelrohrRefrigerant pipe
- 99
- Plattenverdampferplate evaporator
- 1010
- Rückseiteback
- 1111
- Rückseiteback
- 1212
- Metallplattemetal plate
- 1313
- Metallplattemetal plate
- 1414
- KältemittelrohrRefrigerant pipe
- 1515
- Einlassanschlussinlet port
- 1616
- gekröpfter Abschnittcranked section
- 1717
- Anschlussstellejunction
- 1818
- Kastenverdampferbox evaporator
Claims (6)
- Method for mounting a combination refrigerator having an inner container (1) forming a refrigerator compartment trough (4) and a freezer compartment trough (2), a wrapped-around evaporator (18) which surrounds the freezer compartment trough (2) on four sides (5, 6), a first plate (13) arranged on a rear side (11) of the refrigerator compartment trough (4) and a second plate (12) arranged on a rear side (10) of the freezer compartment trough (2), comprising the steps:- mounting the wrapped-around evaporator (18) on the freezer compartment trough (2) and- providing a sheet evaporator (9), in which the first plate (13) and the second plate (12) are connected, and- mounting the sheet evaporator (9) on the rear side (10) of the freezer compartment trough (2) and the rear side (11) of the refrigerator compartment trough (4) after mounting the wrapped-around evaporator (18).
- Method according to claim 1, characterised in that the sheet evaporator (9) is a tube-on-sheet evaporator.
- Method according to claim 1 or 2, characterised in that the sheet evaporator (9) is provided with a refrigerant tube (14) extending integrally across the first and the second plate (12, 13).
- Method according to one of the preceding claims, characterised in that a connection point (17) for connecting a tube (8) of the wrapped-around evaporator (18) is formed on the second plate.
- Method according to one of the preceding claims, characterised in that the wrapped-around evaporator (18) is upstream of the sheet evaporator (9).
- Method according to one of the preceding claims, characterised in that the refrigerant tube (14) is laid less densely on the first plate (13) of the sheet evaporator (9) than on the second plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL14747344T PL3030849T3 (en) | 2013-08-06 | 2014-07-29 | Combination refrigerator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201310215491 DE102013215491A1 (en) | 2013-08-06 | 2013-08-06 | Combination refrigeration device |
| PCT/EP2014/066218 WO2015018685A1 (en) | 2013-08-06 | 2014-07-29 | Combination refrigeration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3030849A1 EP3030849A1 (en) | 2016-06-15 |
| EP3030849B1 true EP3030849B1 (en) | 2019-06-12 |
Family
ID=51265675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14747344.1A Active EP3030849B1 (en) | 2013-08-06 | 2014-07-29 | Combination refrigerator |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3030849B1 (en) |
| CN (1) | CN105518398B (en) |
| DE (1) | DE102013215491A1 (en) |
| PL (1) | PL3030849T3 (en) |
| TR (1) | TR201910942T4 (en) |
| WO (1) | WO2015018685A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990312A (en) * | 2015-07-10 | 2015-10-21 | 合肥美菱股份有限公司 | Built-in type refrigerator evaporator |
| CN119778950B (en) * | 2025-01-10 | 2025-07-08 | 西安交通大学 | A refrigerator with single system and multiple circulation air paths and its working method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT213782Z2 (en) * | 1988-05-04 | 1990-03-01 | Eurodomestici Ind Riunite | EVAPORATOR FOR STATIC REFRIGERATORS. |
| DE202005000909U1 (en) | 2004-12-28 | 2006-05-04 | Liebherr-Hausgeräte Ochsenhausen GmbH | Fridge and freezer |
| CN201145455Y (en) * | 2007-12-10 | 2008-11-05 | 广州擎天成套装备工程有限公司 | Series integral type refrigerator evaporator |
| KR101132455B1 (en) * | 2010-01-20 | 2012-03-30 | 엘지전자 주식회사 | A refrigerator |
| US20120192586A1 (en) * | 2011-01-28 | 2012-08-02 | Jinchun Feng | Split refrigerator |
| DE102011006953A1 (en) * | 2011-04-07 | 2012-10-11 | BSH Bosch und Siemens Hausgeräte GmbH | Domestic refrigerating appliance with vaporiser plates connected by webs |
| CN202869086U (en) * | 2012-09-16 | 2013-04-10 | 合肥华美机电配套有限公司 | Refrigeration evaporator |
| CN103185435A (en) * | 2013-03-18 | 2013-07-03 | 海尔集团公司 | direct cooling refrigerator |
-
2013
- 2013-08-06 DE DE201310215491 patent/DE102013215491A1/en not_active Withdrawn
-
2014
- 2014-07-29 WO PCT/EP2014/066218 patent/WO2015018685A1/en not_active Ceased
- 2014-07-29 CN CN201480044184.XA patent/CN105518398B/en not_active Expired - Fee Related
- 2014-07-29 PL PL14747344T patent/PL3030849T3/en unknown
- 2014-07-29 EP EP14747344.1A patent/EP3030849B1/en active Active
- 2014-07-29 TR TR2019/10942T patent/TR201910942T4/en unknown
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3030849A1 (en) | 2016-06-15 |
| PL3030849T3 (en) | 2019-12-31 |
| WO2015018685A1 (en) | 2015-02-12 |
| DE102013215491A1 (en) | 2015-02-12 |
| TR201910942T4 (en) | 2019-08-21 |
| CN105518398B (en) | 2018-12-14 |
| CN105518398A (en) | 2016-04-20 |
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