EP2159520A2 - Compressor evaporation tray assembly - Google Patents

Compressor evaporation tray assembly Download PDF

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Publication number
EP2159520A2
EP2159520A2 EP09167314A EP09167314A EP2159520A2 EP 2159520 A2 EP2159520 A2 EP 2159520A2 EP 09167314 A EP09167314 A EP 09167314A EP 09167314 A EP09167314 A EP 09167314A EP 2159520 A2 EP2159520 A2 EP 2159520A2
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EP
European Patent Office
Prior art keywords
arrangement according
evaporation tray
compressor
evaporation
wall
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Granted
Application number
EP09167314A
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German (de)
French (fr)
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EP2159520A3 (en
EP2159520B1 (en
Inventor
Detlef Cieslik
Judith Dorn
Berthold Pflomm
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BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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Priority to PL09167314T priority Critical patent/PL2159520T3/en
Publication of EP2159520A2 publication Critical patent/EP2159520A2/en
Publication of EP2159520A3 publication Critical patent/EP2159520A3/en
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Publication of EP2159520B1 publication Critical patent/EP2159520B1/en
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    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • 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
    • F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/141—Removal by evaporation
    • F25D2321/1411—Removal by evaporation using compressor heat

Definitions

  • the present invention relates to an arrangement of a compressor and an evaporation tray for use in a refrigerator.
  • Such an arrangement is conventionally used to evaporate water, which condenses on an evaporator in the interior of the refrigerator, with the aid of heat released from the compressor during operation loss heat.
  • good heat transfer from the compressor to the water in the evaporation tray is essential.
  • a strong bottom with not insignificant inherent rigidity requires a not insignificant water pressure in order to snugly fit snugly against the compressor housing; if the amount of water in the evaporation tray is small and the pressure is low, that is Heat transfer relatively inefficient. Even if the water level is low, a very thin, soft floor can cling tightly to the compressor housing, but is at an increased risk of leakage.
  • the object of the present invention is therefore to provide a compressor-evaporator shell arrangement which ensures intimate contact between the evaporation pan and the compressor despite possibly variable dimensions of the compressor housing and achieves a high evaporation rate even at low water levels.
  • the object is achieved by applying in a compressor-evaporator shell arrangement with a mounted on a housing of a compressor, a flexible bottom having evaporation tray, the bottom rests under tension on an upper part of the evaporator.
  • the tension provides intimate contact between the compressor section and the evaporating tray regardless of the level of water in the latter. Due to the flexibility, the floor can adapt to different shapes of the compressor housing.
  • At least its bottom consists of an elastomeric, preferably rubber-elastic material. This can cling wrinkle-free to the compressor housing under tension, even if the latter is dome-like arched.
  • the evaporation tray is made in one piece from the elastomeric, preferably rubber-elastic material.
  • a radial projection of the compressor housing engage in a form-fitting manner in a recess of the evaporation tray.
  • the radial projection may in particular be a welding bead, which connects an upper and a lower shell of the housing of the compressor to each other in a manner known per se.
  • the recess which receives the radial projection of the compressor housing is preferably formed in a circumferential ring surrounding the bottom of the evaporation tray.
  • the circumferential ring is suitably stiffer than the ground.
  • An outer wall of the evaporation tray preferably protrudes from the ring.
  • This outer wall may be vertically or slightly upwardly divergent in order to keep the proportion of the surface in contact with the compressor housing heat receiving surface of a water contained in the evaporation shell large and thus to ensure evaporation-promoting high water temperatures in the evaporation tray.
  • the evaporation tray may be provided with two tabs projecting down over the ring.
  • a fixing strap can be spanned around the evaporation tray.
  • a fixing belt connected to the evaporation tray at at least two points is stretched under a bottom of the housing of the compressor.
  • the fixing belt can be easily attached to the tabs.
  • the fixing strap of this other embodiment is preferably elastic.
  • the shell has at least one outer and one inner wall, each surrounding an outer and an inner reservoir for water to be evaporated, the upper edge of the inner wall being higher than that of the outer wall.
  • the walls should have some inherent rigidity to ensure that they do not come to rest on the ground. Therefore, the thickness of the walls is preferably higher than that of the floor, more preferably especially in its upper area.
  • Fig. 1 1 denoted compressor has in a conventional manner one of two shells, a substantially cylindrical lower shell 2 and a dome-shaped upper shell 3, assembled housing. The edges of the shells 2, 3 are connected to each other in an annular circumferential weld bead 4.
  • An evaporation tray 5 integrally formed of a rubber elastic plastic material such as TPU or Santoprene is mounted on the compressor 1.
  • the evaporation tray 5 is with respect to a dot-dashed center line of the Fig.1 symmetrical and is shown to the left of the median line in a front view and to the right of it in a radial section.
  • the evaporation tray 5 has a stretchable and flexible thin bottom 6, which is stretched over the upper shell 3 and closely conforms to the convex curvature everywhere.
  • the tension of the bottom 6 is maintained by a ring 7, which forms an outer edge of the bottom 6.
  • the material thickness of the ring 7 is significantly higher than that of the bottom 6, so that the ring 7 has a non-negligible inherent rigidity.
  • the ring 7 is anchored to the compressor 1 by engagement of the Sch Strukturwulsts 4 in a circumferential groove on the inside of the ring. 7
  • a cylindrical outer wall 8 extends upwardly from the ring 7 and defines, together with the bottom 6, an annular outer water reservoir 9.
  • an inner wall 10 Concentric with the outer wall 8 of the bottom 6 is an inner wall 10 which limits an inner water reservoir 11 at a higher level than the outer reservoir 9. If the arrangement of the Fig. 1 is installed in a refrigerator, the inner reservoir 11 is under a condensate outlet, so that discharged from the interior of the refrigerator condensate first fills the inner reservoir 11. Only when this overflows, water also enters the annular outer reservoir. 9
  • two tabs 12 are formed diametrically opposite one another, of which in the illustration of Fig. 1 only one half is visible.
  • the tabs 12 can serve for two different purposes. First, they can serve as handles on which the evaporation tray 5 can be detected and mounted on the compressor 1. By engaging the tabs 12, it is possible to slightly expand the ring 7, so that it can slide onto the weld bead 4 and receive it in its inner groove.
  • the tabs 12 can serve for permanently fixing the evaporation tray 5 by means of a tension belt 13 extending transversely across the bottom of the lower panel 3.
  • the symmetrical with respect to the center line tension belt 13 is a widened at its two ends or, as shown in the figure, forked band, which preferably consists of the same rubber-elastic material as the evaporation tray 5.
  • the tension belt 13 runs into two branches 14, of which in turn Fig. 1 only one can be seen.
  • Each branch 14 carries, connected via a waisted portion, a spherical head 15 whose diameter is slightly larger than in the tabs 12 of the evaporation tray 5 formed openings.
  • the head 15 can be pressed by pressing the tab 12 against the lower shell 2 through the opening, whereby the tension belt 13 is latched to the tab 12. If this has been done on both sides, the tension of the tension belt 13 contributes to the fact that the evaporation tray 5 is held securely locked on the weld bead 4.
  • the tension belt 13 can compensate for variations in the vertical dimensions of the compressor 1. Whether the tension belt 13 is required depends on the exact dimensions of the upper shell 3 and the weld bead 4. In a compressor model in which these dimensions are rather small and the tension of the bottom 6 is not sufficient to jeopardize the secure hold of the ring 7 on the weld bead 4, the tension belt 13 can also be omitted.
  • FIG. 2 A first modification of the inventive principle is in Fig. 2 in one too Fig. 1 analog view shown.
  • the viewing direction is opposite to that of Fig. 1 rotated by 90 °, so that the tabs 12 of the evaporation tray 5 can be seen in side view or in section.
  • these are each provided with a reinforcement 16 at its lower edge.
  • Fig. 2 shown securing the evaporation tray 5 on the compressor 1: in an outer circumferential groove 17 of the ring 7 is an inelastic belt 18, for example, a cable tie, inserted and tightened, which prevents radial expansion of the ring 7 and thus the sliding of the weld bead 4.
  • an inelastic belt 18 for example, a cable tie
  • a difference to the design of the Fig. 1 is in the wall thicknesses of the bottom 6 and the cylindrical walls 8, 10. While the bottom 6 is thin-walled, so that when it is not mounted on the compressor 1, it collapses under the weight of the wall 10, the walls 8 , 10 a rising from bottom to top wall thickness. Thus, the walls 8, 10 may follow a possibly required during assembly to a compressor 1 expansion of the bottom 6 and the ring 7 without too much resistance, but have in their upper region, in particular at the level of a final upper bead 19, a sufficient rigidity to ensure their stability in all installation situations. Thus, the leakage of water due to a collapsed wall 8 or 10 can be reliably excluded.

Abstract

The arrangement has an evaporation shell (5) with a ductile and flexibly thin base (6), where the evaporation shell is mounted on a cylindrical lower shell (2) and a dome-shaped upper shell (3) of a compressor (1). The base sectionally lies on the dome-shaped upper shell of the compressor under prestress. The base is made of elastomeric material, where the evaporation shell is made as a single piece from the elastomeric material. The evaporation shell includes a cylindrical outer wall (8) and an inner wall (10), where the outer wall protrudes from a ring (7).

Description

Die vorliegende Erfindung betrifft eine Anordnung aus einem Verdichter und einer Verdunstungsschale zur Verwendung in einem Kältegerät. Eine solche Anordnung wird herkömmlicherweise eingesetzt, um Wasser, welches an einem Verdampfer im Innenraum des Kältegeräts kondensiert, mit Hilfe von von dem Verdichter während des Betriebs abgegebener Verlustwärme zu verdunsten. Für eine effiziente Verdunstung ist eine gute Wärmeübertragung vom Verdichter auf das Wasser in der Verdunstungsschale wesentlich.The present invention relates to an arrangement of a compressor and an evaporation tray for use in a refrigerator. Such an arrangement is conventionally used to evaporate water, which condenses on an evaporator in the interior of the refrigerator, with the aid of heat released from the compressor during operation loss heat. For efficient evaporation, good heat transfer from the compressor to the water in the evaporation tray is essential.

Herkömmlicherweise kommen meist starre Verdunstungsschalen zum Einsatz, deren Form exakt der äußeren Gestalt des Verdichters nachgebildet sein muss, um einen innigen, großflächigen Kontakt zwischen Verdichter und Verdunstungsschale zu gewährleisten. Ein Nachteil dieses Ansatzes ist, dass für verschiedene Verdichtermodelle, auch wenn sie sich nur geringfügig in der Gestalt ihres Gehäuses unterscheiden, stets speziell angepasste Verdunstungsschalen bereitgestellt werden müssen. Für einen Kältegerätehersteller ist es daher mit erheblichem Aufwand verbunden, wenn in einer laufenden Geräteproduktion unterschiedliche Modelle von Verdichtern eingesetzt werden sollen, weil zum Beispiel ein ursprünglich vorgesehenes Verdichtermodell nicht in ausreichenden Stückzahlen zur Verfügung steht.Conventionally, usually rigid evaporation trays are used, the shape of which must be exactly replicated to the outer shape of the compressor in order to ensure an intimate, large-area contact between the compressor and the evaporation tray. A disadvantage of this approach is that for different compressor models, even if they differ only slightly in the shape of their housing, always specially adapted evaporation trays must be provided. For a refrigeration appliance manufacturer, it is therefore associated with considerable effort if different models of compressors are to be used in a running device production because, for example, an originally provided compressor model is not available in sufficient quantities.

Aus US 5 881 566 ist eine Anordnung mit einem Verdichter und einer Verdunstungsschale bekannt, bei der der Boden der Verdunstungsschale flexibel ist und sich unter dem Druck von in der Verdunstungsschale enthaltenem Wasser an das Gehäuse des Verdichters anschmiegt. Zwar ist aufgrund der Flexibilität des Bodens diese bekannte Anordnung tolerant gegen nicht allzu große Veränderungen in den Abmessungen des Verdichtergehäuses, doch führt die im Allgemeinen kuppelartige Gestalt des Oberteils des Verdichtergehäuses dazu, dass der flexible Boden sich nur unter Faltenbildung eng an das Gehäuse anschmiegen kann. Die Falten behindern jedoch einen engen, gut wärmeleitenden Kontakt mit dem Gehäuse. Ein kräftiger Boden mit nicht vernachlässigbarer Eigensteifigkeit benötigt einen nicht zu vernachlässigenden Wasserdruck, um sich großflächig eng an das Verdichtergehäuse anzuschmiegen; wenn die Wassermenge in der Verdunstungsschale klein und der Druck niedrig ist, ist die Wärmeübertragung relativ wenig effizient. Ein sehr dünner, weicher Boden kann sich zwar auch bei niedrigem Wasserstand eng an das Verdichtergehäuse anschmiegen, ist aber in erhöhtem Maßeleckgefährdet.Out US 5,881,566 an arrangement with a compressor and an evaporation tray is known in which the bottom of the evaporation tray is flexible and conforms to the housing of the compressor under the pressure of water contained in the evaporation tray water. While due to the flexibility of the floor, this known arrangement is tolerant to not too large changes in the dimensions of the compressor housing, the generally dome-like shape of the top of the compressor housing results in the flexible floor nestling snugly against the housing only under wrinkling. However, the folds hinder a tight, good heat conducting contact with the housing. A strong bottom with not insignificant inherent rigidity requires a not insignificant water pressure in order to snugly fit snugly against the compressor housing; if the amount of water in the evaporation tray is small and the pressure is low, that is Heat transfer relatively inefficient. Even if the water level is low, a very thin, soft floor can cling tightly to the compressor housing, but is at an increased risk of leakage.

Aufgabe der vorliegenden Erfindung ist daher, eine Verdichter-Verdunstungsschalen-Anordnung anzugeben, die einen innigen Kontakt zwischen Verdunstungsschale und Verdichter trotz eventuell variabler Abmessungen des Verdichtergehäuses gewährleistet und eine hohe Verdunstungsrate auch bei niedrigem Wasserstand erreicht.The object of the present invention is therefore to provide a compressor-evaporator shell arrangement which ensures intimate contact between the evaporation pan and the compressor despite possibly variable dimensions of the compressor housing and achieves a high evaporation rate even at low water levels.

Die Aufgabe wird erfindungsgemäß gelöst, indem bei einer Verdichter-Verdunstungsschalen-Anordnung mit einer auf einem Gehäuse eines Verdichters montierten, einen flexiblen Boden aufweisenden Verdunstungsschale der Boden unter Spannung an einem Oberteil des Verdampfers anliegt. Die Spannung sorgt für einen innigen Kontakt zwischen dem Verdichterteil und der Verdunstungsschale unabhängig vom Wasserstand in der letzteren. Infolge der Flexibilität kann sich der Boden unterschiedlichen Gestalten des Verdichtergehäuses anpassen.The object is achieved by applying in a compressor-evaporator shell arrangement with a mounted on a housing of a compressor, a flexible bottom having evaporation tray, the bottom rests under tension on an upper part of the evaporator. The tension provides intimate contact between the compressor section and the evaporating tray regardless of the level of water in the latter. Due to the flexibility, the floor can adapt to different shapes of the compressor housing.

Um die Anpassungsfähigkeit der Verdunstungsschale noch weiter zu verbessern, besteht vorzugsweise wenigstens ihr Boden aus einem elastomeren, vorzugsweise gummielastischen Material. Dieses kann sich unter der Spannung faltenfrei an das Verdichtergehäuse anschmiegen, auch wenn letzteres kuppelartig gewölbt ist.In order to further improve the adaptability of the evaporation tray, preferably at least its bottom consists of an elastomeric, preferably rubber-elastic material. This can cling wrinkle-free to the compressor housing under tension, even if the latter is dome-like arched.

Der einfachen Fertigung wegen bevorzugt ist, dass die Verdunstungsschale einstückig aus dem elastomeren, vorzugsweise gummielastischen Material gefertigt ist.Because of the simple production because it is preferred that the evaporation tray is made in one piece from the elastomeric, preferably rubber-elastic material.

Zur Verankerung der Verdunstungsschale am Verdichtergehäuse ist bevorzugt, dass ein radialer Überstand des Verdichtergehäuses formschlüssig in eine Aussparung der Verdunstungsschale eingreift. Bei dem radialen Überstand kann es sich insbesondere um einen Schweißwulst handeln, der in an sich bekannter Weise eine obere und eine untere Schale des Gehäuses des Verdichters miteinander verbindet.To anchor the evaporation tray to the compressor housing, it is preferred that a radial projection of the compressor housing engage in a form-fitting manner in a recess of the evaporation tray. The radial projection may in particular be a welding bead, which connects an upper and a lower shell of the housing of the compressor to each other in a manner known per se.

Die Aussparung, die den radialen Überstand des Verdichtergehäuses aufnimmt, ist vorzugsweise in einem den Boden umgebenden umlaufenden Ring der Verdunstungsschale gebildet. Um trotz der Spannung des Bodens den Überstand in der Aussparung halten zu können, ist der umlaufende Ring zweckmäßigerweise steifer als der Boden.The recess which receives the radial projection of the compressor housing is preferably formed in a circumferential ring surrounding the bottom of the evaporation tray. In spite of the tension of the soil the supernatant in the To be able to hold recess, the circumferential ring is suitably stiffer than the ground.

Eine äußere Wand der Verdunstungsschale steht vorzugsweise von dem Ring ab. Diese äußere Wand kann vertikal oder schwach nach oben divergent ausgerichtet sein, um den Anteil der in Kontakt mit dem Verdichtergehäuse Wärme aufnehmenden Oberfläche an der Gesamtoberfläche eines in der Verdunstungsschale enthaltenen Wasserkörpers groß zu halten und so verdunstungsfördernde hohe Wassertemperaturen in der Verdunstungsschale zu gewährleisten.An outer wall of the evaporation tray preferably protrudes from the ring. This outer wall may be vertically or slightly upwardly divergent in order to keep the proportion of the surface in contact with the compressor housing heat receiving surface of a water contained in the evaporation shell large and thus to ensure evaporation-promoting high water temperatures in the evaporation tray.

Um die Anbringung der Verdunstungsschale und/oder ihre dauerhafte Befestigung am Verdichter zu erleichtern, kann die Verdunstungsschale mit zwei nach unten über den Ring überstehenden Laschen versehen sein.To facilitate the attachment of the evaporation tray and / or its permanent attachment to the compressor, the evaporation tray may be provided with two tabs projecting down over the ring.

Um ein Abrutschen der Verdunstungsschale aufgrund der in ihrem Boden herrschenden Spannung zu verhindern, kann ein Fixiergurt um die Verdunstungsschale herumgespannt sein.In order to prevent slippage of the evaporation tray due to the prevailing tension in their soil, a fixing strap can be spanned around the evaporation tray.

Einer anderen Ausgestaltung zufolge ist ein an wenigstens zwei Stellen mit der Verdunstungsschale verbundener Fixiergurt unter einem Boden des Gehäuses des Verdichters her gespannt.According to another embodiment, a fixing belt connected to the evaporation tray at at least two points is stretched under a bottom of the housing of the compressor.

Wenn die Verdunstungsschale wie oben erwähnt Laschen aufweist, kann der Fixiergurt auf einfache Weise an den Laschen befestigt sein.If the evaporation tray has tabs as mentioned above, the fixing belt can be easily attached to the tabs.

Auch der Fixiergurt dieser anderen Ausgestaltung ist vorzugsweise elastisch.Also, the fixing strap of this other embodiment is preferably elastic.

Bevorzugt ist ferner, dass die Schale wenigstens eine äußere und eine innere Wand aufweist, die jeweils ein äußeres und ein inneres Reservoir für zu verdunstendes Wasser umgeben, wobei die obere Kante der inneren Wand höher liegt als die der äußeren Wand. So kann sichergestellt werden, dass auch über einem hohen Bereich des Verdichtergehäuses zu verdunstendes Wasser gespeichert werden kann, das die von diesem Bereich abgegebene Abwärme aufnimmt.It is further preferred that the shell has at least one outer and one inner wall, each surrounding an outer and an inner reservoir for water to be evaporated, the upper edge of the inner wall being higher than that of the outer wall. Thus, it can be ensured that over a high area of the compressor housing to be evaporated water can be stored, which absorbs the waste heat emitted by this area.

Während der Boden möglichst dünnwandig sein sollte, um sich ohne übermäßige Spannung eng an das Verdichtergehäuse anschmiegen zu können, sollten die Wände eine gewisse Eigensteifigkeit aufweisen, um sicherzustellen, dass sie nicht am Boden zur Anlage kommen. Daher ist die Stärke der Wände vorzugsweise höher als die des Bodens, und zwar besonders bevorzugt insbesondere in ihrem oberen Bereich.While the bottom should be as thin-walled as possible, so as to be able to snugly fit against the compressor housing without excessive tension, the walls should have some inherent rigidity to ensure that they do not come to rest on the ground. Therefore, the thickness of the walls is preferably higher than that of the floor, more preferably especially in its upper area.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen unter Bezugnahme auf die beigefügten Figuren. Es zeigen:

Fig. 1
eine Vorderansicht einer erfindungsgemäßen Verdichter-Verdunstungsschalen-Anordnung mit zur Hälfte geschnitten dargestellter Verdunstungsschale gemäß einer ersten Ausgestaltung der Erfindung;
Fig.2
eine Teilansicht einer Anordnung gemäß einer zweiten Ausgestaltung der Erfindung; und
Fig. 3
eine Teilansicht gemäß einer dritten Ausgestaltung der Erfindung.
Further features and advantages of the invention will become apparent from the following description of embodiments with reference to the accompanying figures. Show it:
Fig. 1
a front view of a compressor-evaporator shell arrangement according to the invention with half-cut illustrated evaporation tray according to a first embodiment of the invention;
Fig.2
a partial view of an arrangement according to a second embodiment of the invention; and
Fig. 3
a partial view according to a third embodiment of the invention.

Ein in der Ansicht der Fig. 1 mit 1 bezeichneter Verdichter hat in an sich bekannter Weise ein aus zwei Schalen, einer im Wesentlichen zylindrischen unteren Schale 2 und einer kuppelförmigen oberen Schale 3, zusammengefügtes Gehäuse. Die Ränder der Schalen 2, 3 sind miteinander in einem ringförmig umlaufenden Schweißwulst 4 verbunden.One in the view of Fig. 1 1 denoted compressor has in a conventional manner one of two shells, a substantially cylindrical lower shell 2 and a dome-shaped upper shell 3, assembled housing. The edges of the shells 2, 3 are connected to each other in an annular circumferential weld bead 4.

Eine einteilig aus einem gummielastischen Kunststoffmaterial wie etwa TPU oder Santoprene geformte Verdunstungsschale 5 ist auf dem Verdichter 1 montiert. Die Verdunstungsschale 5 ist bezüglich einer strichpunktierten Mittellinie der Fig.1 symmetrisch und ist links der Mittellinie in einer Vorderansicht und rechts von ihr in einem radialen Schnitt gezeigt. Die Verdunstungsschale 5 hat einen dehnbaren und flexiblen dünnen Boden 6, der über die obere Schale 3 gespannt ist und sich an deren konvexe Wölbung überall eng anschmiegt.An evaporation tray 5 integrally formed of a rubber elastic plastic material such as TPU or Santoprene is mounted on the compressor 1. The evaporation tray 5 is with respect to a dot-dashed center line of the Fig.1 symmetrical and is shown to the left of the median line in a front view and to the right of it in a radial section. The evaporation tray 5 has a stretchable and flexible thin bottom 6, which is stretched over the upper shell 3 and closely conforms to the convex curvature everywhere.

Die Spannung des Bodens 6 ist aufrechterhalten durch einen Ring 7, der einen äußeren Rand des Bodens 6 bildet. Die Materialstärke des Rings 7 ist deutlich höher als die des Bodens 6, so dass der Ring 7 eine nicht zu vernachlässigende Eigensteifigkeit aufweist. Der Ring 7 ist am Verdichter 1 verankert durch Eingriff des Schweißwulsts 4 in eine umlaufende Nut an der Innenseite des Rings 7.The tension of the bottom 6 is maintained by a ring 7, which forms an outer edge of the bottom 6. The material thickness of the ring 7 is significantly higher than that of the bottom 6, so that the ring 7 has a non-negligible inherent rigidity. The ring 7 is anchored to the compressor 1 by engagement of the Schweißwulsts 4 in a circumferential groove on the inside of the ring. 7

Eine zylindrische äußere Wand 8 erstreckt sich ausgehend von dem Ring 7 nach oben und begrenzt zusammen mit dem Boden 6 ein ringförmiges äußeres Wasserreservoir 9.A cylindrical outer wall 8 extends upwardly from the ring 7 and defines, together with the bottom 6, an annular outer water reservoir 9.

Konzentrisch zu der äußeren Wand 8 geht vom Boden 6 eine innere Wand 10 aus, die ein inneres Wasserreservoir 11 auf einem höheren Niveau als das äußere Reservoir 9 begrenzt. Wenn die Anordnung der Fig. 1 in einem Kältegerät eingebaut ist, befindet sich das innere Reservoir 11 unter einem Kondenswasserauslass, so dass aus dem Innenraum des Kältegeräts abgeführtes Kondenswasser zunächst das innere Reservoir 11 füllt. Erst wenn dieses überläuft, gelangt auch Wasser in das ringförmige äußere Reservoir 9.Concentric with the outer wall 8 of the bottom 6 is an inner wall 10 which limits an inner water reservoir 11 at a higher level than the outer reservoir 9. If the arrangement of the Fig. 1 is installed in a refrigerator, the inner reservoir 11 is under a condensate outlet, so that discharged from the interior of the refrigerator condensate first fills the inner reservoir 11. Only when this overflows, water also enters the annular outer reservoir. 9

An einer Unterseite des Rings 7 sind einander diametral gegenüberliegend zwei Laschen 12 angeformt, von denen in der Darstellung der Fig. 1 nur eine zur Hälfte zu sehen ist. Die Laschen 12 können zu zwei verschiedenen Zwecken dienen. Zum einen können sie als Griffe dienen, an denen die Verdunstungsschale 5 erfasst und auf den Verdichter 1 aufgezogen werden kann. Durch das Angreifen an den Laschen 12 ist es möglich, den Ring 7 ein Stück weit aufzudehnen, so dass er auf die Schweißwulst 4 aufgleiten und diese in seiner inneren Nut aufnehmen kann.At an underside of the ring 7, two tabs 12 are formed diametrically opposite one another, of which in the illustration of Fig. 1 only one half is visible. The tabs 12 can serve for two different purposes. First, they can serve as handles on which the evaporation tray 5 can be detected and mounted on the compressor 1. By engaging the tabs 12, it is possible to slightly expand the ring 7, so that it can slide onto the weld bead 4 and receive it in its inner groove.

Des Weiteren können die Laschen 12 zur dauerhaften Fixierung der Verdunstungsschale 5 mit Hilfe eines sich quer über den Boden der unteren Schalte 3 erstreckenden Spanngurtes 13 dienen. Der bezüglich der Mittellinie symmetrische Spanngurt 13 ist ein an seinen zwei Enden verbreitertes oder, wie in der Fig. dargestellt, gegabeltes Band, das vorzugsweise aus dem gleichen gummielastischen Material wie die Verdunstungsschale 5 besteht. An jeder Gabelung läuft der Spanngurt 13 in zwei Äste 14 aus, von denen wiederum in Fig. 1 nur einer zu sehen ist. Jeder Ast 14 trägt, über einen taillierten Abschnitt verbunden, einen kugeligen Kopf 15, dessen Durchmesser geringfügig größer ist als in den Laschen 12 der Verdunstungsschale 5 gebildete Öffnungen. Wenn der Ast 14 zwischen der Lasche 12 und der unteren Schale 2 platziert wird, kann der Kopf 15 durch Drücken der Lasche 12 gegen die untere Schale 2 durch die Öffnung hindurchgedrückt werden, wodurch der Spanngurt 13 an der Lasche 12 verrastet. Wenn dies an beiden Seiten geschehen ist, trägt die Spannung des Spanngurtes 13 dazu bei, dass die Verdunstungsschale 5 sicher an dem Schweißwulst 4 verrastet gehalten wird.Furthermore, the tabs 12 can serve for permanently fixing the evaporation tray 5 by means of a tension belt 13 extending transversely across the bottom of the lower panel 3. The symmetrical with respect to the center line tension belt 13 is a widened at its two ends or, as shown in the figure, forked band, which preferably consists of the same rubber-elastic material as the evaporation tray 5. At each fork, the tension belt 13 runs into two branches 14, of which in turn Fig. 1 only one can be seen. Each branch 14 carries, connected via a waisted portion, a spherical head 15 whose diameter is slightly larger than in the tabs 12 of the evaporation tray 5 formed openings. If the branch 14 is placed between the tab 12 and the lower shell 2, the head 15 can be pressed by pressing the tab 12 against the lower shell 2 through the opening, whereby the tension belt 13 is latched to the tab 12. If this has been done on both sides, the tension of the tension belt 13 contributes to the fact that the evaporation tray 5 is held securely locked on the weld bead 4.

Infolge seiner Elastizität kann der Spanngurt 13 Streuungen in den vertikalen Abmessungen des Verdichters 1 kompensieren. Ob der Spanngurt 13 erforderlich ist, hängt von den genauen Abmessungen der oberen Schale 3 und des Schweißwulstes 4 ab. Bei einem Verdichtermodell, bei dem diese Abmessungen eher gering sind und die Spannung des Bodens 6 nicht ausreicht, um den sicheren Halt des Rings 7 an dem Schweißwulst 4 zu gefährden, kann der Spanngurt 13 auch weggelassen werden.Due to its elasticity, the tension belt 13 can compensate for variations in the vertical dimensions of the compressor 1. Whether the tension belt 13 is required depends on the exact dimensions of the upper shell 3 and the weld bead 4. In a compressor model in which these dimensions are rather small and the tension of the bottom 6 is not sufficient to jeopardize the secure hold of the ring 7 on the weld bead 4, the tension belt 13 can also be omitted.

Eine erste Abwandlung des Erfindungsprinzips ist in Fig. 2 in einer zu Fig. 1 analogen Ansicht dargestellt. Die Blickrichtung ist gegenüber derjenigen der Fig. 1 um 90° gedreht, so dass die Laschen 12 der Verdunstungsschale 5 in Seitenansicht bzw. im Schnitt zu sehen sind. Um die Griffigkeit der Laschen zu verbessern, sind diese an ihrem unteren Rand jeweils mit einer Verstärkung 16 versehen.A first modification of the inventive principle is in Fig. 2 in one too Fig. 1 analog view shown. The viewing direction is opposite to that of Fig. 1 rotated by 90 °, so that the tabs 12 of the evaporation tray 5 can be seen in side view or in section. To improve the grip of the tabs, these are each provided with a reinforcement 16 at its lower edge.

Unabhängig vom Vorhandensein der Verstärkung 16 ist die in Fig. 2 gezeigte Sicherung der Verdunstungsschale 5 am Verdichter 1: in eine außen umlaufende Nut 17 des Rings 7 ist ein inelastischer Gurt 18, zum Beispiel ein Kabelbinder, eingelegt und festgespannt, der eine radiale Aufweitung des Rings 7 und damit das Abgleiten von der Schweißwulst 4 unterbindet.Regardless of the presence of the gain 16 is in Fig. 2 shown securing the evaporation tray 5 on the compressor 1: in an outer circumferential groove 17 of the ring 7 is an inelastic belt 18, for example, a cable tie, inserted and tightened, which prevents radial expansion of the ring 7 and thus the sliding of the weld bead 4.

Abweichend von der Darstellung der Fig. 2 könnte zwischen dem Ring 7 und den Laschen 12 noch ein kurzer ringförmig umlaufender Abschnitt vorgesehen sein, der - anstelle des Rings 7 - die Nut 17 und den Gurt 18 aufnimmt.Deviating from the presentation of Fig. 2 could still be provided between the ring 7 and the tabs 12, a short annular circumferential portion which - instead of the ring 7 - the groove 17 and the belt 18 receives.

Bei der in Fig. 3 gezeigten Ausgestaltung ist, wie mit Bezug auf Fig. 1 beschrieben, die Verdunstungsschale 5 durch den unter dem Verdichter 1 her gespannten Spanngurt 13 gesichert. Der Schnitt der Fig. 3 zeigt die mit Bezug auf Fig. 1 beschriebene Verankerung des Kopfs 15 an der Lasche 12.At the in Fig. 3 shown embodiment, as with reference to Fig. 1 described, the evaporation tray 5 secured by the tensioned under the compressor 1 ago tension belt 13. The cut of the Fig. 3 shows with reference to Fig. 1 described anchoring of the head 15 on the tab 12th

Ein Unterschied zur Ausgestaltung der Fig. 1 liegt in den Wandstärken des Bodens 6 und der zylindrischen Wände 8, 10. Während der Boden 6 dünnwandig ist, so dass er, wenn er nicht auf den Verdichter 1 aufgezogen ist, unter dem Gewicht der Wand 10 in sich zusammenfällt, weisen die Wände 8, 10 eine von unten nach oben zunehmende Wandstärke auf. So können die Wände 8, 10 einer bei der Montage auf einen Verdichter 1 eventuell erforderlichen Aufweitung des Bodens 6 und des Rings 7 ohne allzu großen Widerstand folgen, weisen aber in ihrem oberen Bereich, insbesondere in Höhe eines abschließenden oberen Wulstes 19, eine ausreichende Steifigkeit auf, um ihre Standfestigkeit in allen Einbausituationen zu gewährleisten. So kann das Auslaufen von Wasser aufgrund einer kollabierten Wand 8 oder 10 zuverlässig ausgeschlossen werden.A difference to the design of the Fig. 1 is in the wall thicknesses of the bottom 6 and the cylindrical walls 8, 10. While the bottom 6 is thin-walled, so that when it is not mounted on the compressor 1, it collapses under the weight of the wall 10, the walls 8 , 10 a rising from bottom to top wall thickness. Thus, the walls 8, 10 may follow a possibly required during assembly to a compressor 1 expansion of the bottom 6 and the ring 7 without too much resistance, but have in their upper region, in particular at the level of a final upper bead 19, a sufficient rigidity to ensure their stability in all installation situations. Thus, the leakage of water due to a collapsed wall 8 or 10 can be reliably excluded.

Claims (16)

Verdichter-Verdunstungsschale-Anordnung mit einer auf einem Gehäuse (2, 3) eines Verdichters (1) montierten, einen flexiblen Boden (6) aufweisenden Verdunstungsschale (5), dadurch gekennzeichnet, dass der Boden (6) zumindest abschnittsweise unter Vorspannung an einem Gehäuseoberteil (3) des Verdichters (1) anliegt.Compressor evaporation tray arrangement with a on a housing (2, 3) of a compressor (1) mounted, a flexible bottom (6) having evaporation tray (5), characterized in that the bottom (6) at least partially under bias to an upper housing part (3) of the compressor (1) is applied. Anordnung nach Anspruch 1, dadurch gekennzeichnet, dass wenigstens der Boden (6) der Verdunstungsschale (5) aus einem elastomeren Material besteht.Arrangement according to claim 1, characterized in that at least the bottom (6) of the evaporation tray (5) consists of an elastomeric material. Anordnung nach Anspruch 2, dadurch gekennzeichnet, dass die Verdunstungsschale (5) einstückig aus dem elastomeren Material gefertigt ist.Arrangement according to claim 2, characterized in that the evaporation tray (5) is made in one piece from the elastomeric material. Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein radialer Überstand des Verdichtergehäuses (2, 3) formschlüssig mit einer Aufnahme an der Verdunstungsschale (5) zusammenwirkt.Arrangement according to one of the preceding claims, characterized in that a radial projection of the compressor housing (2, 3) cooperates positively with a receptacle on the evaporation tray (5). Anordnung nach Anspruch 4, dadurch gekennzeichnet, dass der radiale Überstand ein Schweißwulst (4) ist, der eine obere und eine untere Schale (2, 3) des Gehäuses des Verdichters (1) miteinander verbindet.Arrangement according to claim 4, characterized in that the radial projection is a Schweißwulst (4) which connects an upper and a lower shell (2, 3) of the housing of the compressor (1) together. Anordnung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Aufnahme als Aussparung ausgebildet und in einem den Boden (6) umgebenden umlaufenden Ring (7) der Verdunstungsschale (5) gebildet ist.Arrangement according to claim 4 or 5, characterized in that the receptacle formed as a recess and in a bottom (6) surrounding peripheral ring (7) of the evaporation tray (5) is formed. Anordnung nach Anspruch 6, dadurch gekennzeichnet, dass der umlaufende Ring (7) materialsteifer als der Boden (6) ausgebildet ist.Arrangement according to claim 6, characterized in that the encircling ring (7) is formed material more rigid than the bottom (6). Anordnung nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass eine äußere Wand (8) der Verdunstungsschale (5) von dem Ring (7) absteht.Arrangement according to claim 6 or 7, characterized in that an outer wall (8) of the evaporation tray (5) protrudes from the ring (7). Anordnung nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die Verdunstungsschale (5) zwei nach unten über den Ring (7) überstehende Laschen (12) aufweist.Arrangement according to claim 7 or 8, characterized in that the evaporation tray (5) has two downwardly over the ring (7) projecting tabs (12). Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Fixiergurt (18) um die Verdunstungsschale (5) herum gespannt ist.Arrangement according to one of the preceding claims, characterized in that a fixing belt (18) is stretched around the evaporation tray (5). Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein an wenigstens zwei Stellen mit der Verdunstungsschale (5) verbundener Fixiergurt (13) unter einem Boden des Gehäuses (2, 3) her gespannt ist.Arrangement according to one of the preceding claims, characterized in that at at least two locations with the evaporation tray (5) connected fixing belt (13) under a bottom of the housing (2, 3) is stretched forth. Anordnung nach Anspruch 9 und Anspruch 11, dadurch gekennzeichnet, dass der Fixiergurt (13) an den Laschen (12) befestigt ist.Arrangement according to claim 9 and claim 11, characterized in that the fixing strap (13) is attached to the tabs (12). Anordnung nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass der Fixiergurt (13) elastisch ist.Arrangement according to claim 11 or 12, characterized in that the fixing belt (13) is elastic. Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verdunstungsschale (5) wenigstens eine äußere und eine innere Wand (8, 10) aufweist, die jeweils ein äußeres und ein inneres Reservoir (9, 11) umgeben, wobei die obere Kante der inneren Wand (10) höher liegt als die der äußeren Wand (8).Arrangement according to one of the preceding claims, characterized in that the evaporation tray (5) has at least one outer and one inner wall (8, 10) respectively surrounding an outer and an inner reservoir (9, 11), the upper edge of the inner wall (10) is higher than that of the outer wall (8). Anordnung nach Anspruch 8 oder 14, dadurch gekennzeichnet, dass jede Wand (8, 10) wenigstens in einem oberen Bereich stärker als der Boden (6) ist.Arrangement according to claim 8 or 14, characterized in that each wall (8, 10) is stronger than the bottom (6) at least in an upper region. Kältegerät, insbesondere Haushaltskältegerät, gekennzeichnet mit einer Verdichter-Verdunstungsschalen-Anordnung nach einem der Ansprüche 1 bis 15.Refrigerating appliance, in particular household refrigerating appliance, characterized by a compressor-evaporation bowl arrangement according to one of claims 1 to 15.
EP09167314.5A 2008-08-26 2009-08-06 Compressor evaporation tray assembly Active EP2159520B1 (en)

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DE102011006606A1 (en) 2011-03-31 2012-10-04 BSH Bosch und Siemens Hausgeräte GmbH Household-cooling device e.g. refrigerator, has cooling medium compressor, and collecting frame comprising defined spillway for forwarding water from frame to additional frame, where additional frame is separated from collecting frame
WO2014124839A1 (en) 2013-02-14 2014-08-21 BSH Bosch und Siemens Hausgeräte GmbH Device for receiving defrost water in a domestic cooling appliance, domestic cooling appliance and method for mounting such a device
DE102013225649A1 (en) 2013-12-11 2015-06-11 BSH Hausgeräte GmbH Domestic refrigeration appliance in a machine room with a carrier shell on which another component is held
DE102021214061A1 (en) 2021-12-09 2023-06-15 BSH Hausgeräte GmbH Refrigeration device, evaporation arrangement for a refrigeration device and method and set for producing the evaporation arrangement

Citations (1)

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US5881566A (en) 1996-04-26 1999-03-16 Fisher & Paykel Limited Evaporation device for refrigeration equipment

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FR1595334A (en) * 1968-03-22 1970-06-08
AT324370B (en) * 1973-07-10 1975-08-25 Bosch Hausgeraete Gmbh EVUMINATION DEVICE FOR MELT WATER, IN PARTICULAR FOR PERIODICALLY DEFROSTABLE COOLING OR FREEZERS
BR9802115A (en) * 1998-05-19 2000-03-08 Brasilerira De Compressores S Evaporation tray.
DE19855504A1 (en) * 1998-12-01 2000-06-08 Bsh Bosch Siemens Hausgeraete Refrigeration device has condensed water collection pan with flexurally slack base that can come into thermally conducting contact with compressor housing, at least in some sections
DE19962256A1 (en) * 1999-12-22 2001-06-28 Bsh Bosch Siemens Hausgeraete Condensed water collection pan has joint between pan wall and floor at least essentially close to transition point between coolant compressor housing upper and lower parts
IT251755Y1 (en) * 2000-10-18 2004-01-20 Zanussi Elettromecc REFRIGERATOR COMPRESSOR WITH EVAPORATION TANK
DE20209839U1 (en) * 2002-06-25 2002-09-12 Bsh Bosch Siemens Hausgeraete Compressor evaporation tray assembly
DE10322681A1 (en) * 2003-05-20 2004-12-09 BSH Bosch und Siemens Hausgeräte GmbH Increase in the evaporation performance through the compressor capsule as the evaporation tray bottom
ITVA20040009U1 (en) * 2004-07-30 2004-10-30 Whirlpool Co DOMESTIC REFRIGERATOR

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US5881566A (en) 1996-04-26 1999-03-16 Fisher & Paykel Limited Evaporation device for refrigeration equipment

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EP2159520A3 (en) 2014-11-26
PL2159520T3 (en) 2019-06-28
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EP2159520B1 (en) 2018-12-12

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