EP2678623A2 - Appareil frigorifique comportant une coquille d'évaporation - Google Patents

Appareil frigorifique comportant une coquille d'évaporation

Info

Publication number
EP2678623A2
EP2678623A2 EP12702518.7A EP12702518A EP2678623A2 EP 2678623 A2 EP2678623 A2 EP 2678623A2 EP 12702518 A EP12702518 A EP 12702518A EP 2678623 A2 EP2678623 A2 EP 2678623A2
Authority
EP
European Patent Office
Prior art keywords
evaporation tray
support grid
appliance according
evaporation
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
Application number
EP12702518.7A
Other languages
German (de)
English (en)
Other versions
EP2678623B1 (fr
Inventor
Michael Krapp
Karl-Friedrich Laible
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL12702518T priority Critical patent/PL2678623T3/pl
Publication of EP2678623A2 publication Critical patent/EP2678623A2/fr
Application granted granted Critical
Publication of EP2678623B1 publication Critical patent/EP2678623B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • 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
    • 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
    • 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
    • F25D2321/144—Collecting condense or defrost water; Removing condense or defrost water characterised by the construction of drip water collection pans
    • F25D2321/1442—Collecting condense or defrost water; Removing condense or defrost water characterised by the construction of drip water collection pans outside a refrigerator
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/40—Refrigerating devices characterised by electrical wiring

Definitions

  • the present invention relates to a refrigerator, in particular a household refrigerator, which is equipped with an evaporation tray to eliminate condensation, which is reflected during operation of the refrigerator in the interior of an evaporator.
  • Such an evaporation tray is generally accommodated in a machine room at a rear side of the body of the refrigeration device in order to utilize waste heat from a compressor also placed there for evaporating the condensed water.
  • such an evaporation tray is mounted on a housing of the compressor to efficiently through the direct contact, the waste heat of the compressor in the
  • the evaporation tray To initiate the evaporation tray and the water contained therein.
  • the evaporation tray In order to ensure the required large-area close contact with the compressor housing, the evaporation tray must be precisely manufactured and tailored to the shape of the
  • Power cord is the possibility that this, if it is not completely out is pulled out of the machine room, hangs into the evaporation tray. This leads to a safety risk, unless the insulating jacket of the
  • Power cord is made of a material suitable and approved for permanent contact with water.
  • insulated cables are considerably more expensive than those commonly used for household electrical appliances.
  • To exclude the possibility of immersion of a supply cable in the evaporation tray it is common to close the engine room with a rear wall. However, even though it is broken, it significantly impedes the air exchange between the engine room and the environment, and resulting heat accumulation in the engine room impairs the efficiency of refrigeration and therefore leads to increased energy consumption.
  • the object of the invention is to provide a refrigeration device in which the risk of
  • Dipping a live cable is eliminated in an evaporation tray, without hindering the exchange of air between an air space above the evaporation tray and the environment of the refrigerator.
  • a refrigeration device Under a refrigeration device is in particular a household refrigeration appliance understood, ie a refrigeration appliance for household management in households or possibly in the
  • Catering area is used, and in particular serves to store food and / or drinks in household quantities at certain temperatures, such as a refrigerator, a freezer, a fridge-freezer, a freezer or a wine storage cabinet.
  • the problem is solved by extending a supporting grid over a water level of the evaporation tray in a refrigerator with an evaporation tray and a live cable that can be placed in an air space above the evaporation tray.
  • a supporting grid By supporting the cable when the support grid is in the air space above the evaporation tray, contact of the cable with the water in the evaporation tray can be prevented.
  • the required distance between individual bars of the grid depends on the stiffness of the cable and possibly also on the distance between the supporting grid and the maximum water level that can be achieved in the evaporation tray.
  • the support grid may be at least partially formed by upper edges of ribs dipping into the evaporation tray. These ribs can be supported on the side walls or on the bottom of the evaporation tray, but they can also be integrally formed with the evaporation tray. But the support grid can also at least partially by itself over a
  • a support grid, which is not integral with the evaporation tray can be
  • the support grid and the carrier of the evaporation tray cooperate in order to limit a receptacle in which the evaporation tray is fixed.
  • a carrier of the evaporation tray may also be useful to support a compressor disposed above the evaporation tray.
  • Water level of the shell can be attached and the water in the
  • the evaporation tray is at the bottom of a machine room of the
  • the support grid has an open-edge cutout, in which the compressor is arranged.
  • the support grid may also have a pipe socket for receiving a condensate supply.
  • Condensate supply line fixed can be safely ruled out that this, e.g. is bent during transport or assembly of the device, and therefore that condensation water misses the evaporation tray.
  • the condensate supply line which opens into the evaporation tray can
  • the condensate supply line forms an overflow of a
  • Evaporation tank which is located above the evaporation tray.
  • the evaporation capacity of the refrigerator can be increased, which is particularly important for high-efficiency, little waste heat generating refrigerators.
  • the evaporation container may in turn be mounted on the compressor to use on the housing wall heat dissipated. Since the free water surface of the evaporation tank need not be as large as in a refrigerator in which the entire accumulating condensate must be evaporated by a shell mounted on the compressor, the dimensions of the evaporation tank and the free air space can be kept small above him, so that the space requirement of
  • Fig. 1 is a perspective view of a machine room of a refrigerator
  • FIG. 2 is a sectional perspective view of an evaporation tray according to a second embodiment of the invention.
  • FIG. 3 shows an evaporation tray according to a third embodiment
  • FIG. 4 shows an evaporation tray according to a fourth embodiment
  • Fig. 5 shows a one-piece evaporation tray according to a fifth embodiment
  • Fig. 6 is an evaporation tray with pipe socket for receiving a
  • Fig. 7 is a perspective view of a support grid; a perspective, partially sectioned view of an evaporation tray on which the support grid of Figure 7 is used. and a schematic section through a structure with a
  • Fig. 1 shows a perspective partial view of the lower portion of the back of a refrigerator housing, such as a household refrigerator, freezer or a Fridge-freezer.
  • An engine room 1 is referred to as a back of the refrigerator housing
  • Device body open, sideways through side walls 3 and up through a
  • Overlay strips 5 rest on narrow side edges 9 of an evaporation tray 7, which is substantially rectangular in plan view and which, e.g. is formed by deep drawing of plastic sheet material or sheet metal.
  • a compressor 1 1 is mounted; several posts 13 keep it away from the bottom of the evaporation tray 7.
  • the posts 13 may be part of a housing of the compressor 11 and be secured to the bottom of the shell 7; but they can also be applied to the evaporation tray 7, e.g. during deep drawing, as formed by the bottom of protruding projections.
  • a support grid 15 extends from crossed, extending in the width or depth direction of the machine room 1 bars, the ends of each rest on the narrow and longitudinal edges 9 of the evaporation tray 7.
  • a power cord 17 is here shown starting from the compressor 1 1, but it could also emanate from a bus bar on a wall of the engine room 1 or any other electrical load of the refrigerator.
  • the power cord 17 is not completely pulled out of the engine room 1 and therefore does not run straight, but forms a loop 19.
  • the loop 19 rests on the support grid 15 and therefore can not intervene in the evaporation tray 7 below the support grid 15.
  • a wire tube condenser 21 fed by the compressor 11 is mounted in a manner known per se. This in turn is connected in series with an evaporator inside the body, the one or more storage chambers of the refrigerator cools. Condensation, which is reflected on the evaporator, is led out via a pipe 23 to the rear wall of the device.
  • the pipe 23 ends above the evaporation tray 7, so that the discharged condensate drips into the evaporation tray 7.
  • Fig. 2 shows a second embodiment of the evaporation tray 7 and the support grid 15 in a perspective partial view.
  • the evaporation tray 7 has a flat bottom 25, steeply rising side walls 27, and, subsequent to the upper edge of the side walls 27, horizontal edges 9 forming a frame surrounding the evaporation tray 7 on all four sides.
  • the support grid 15 is here in one piece, e.g. made of sheet metal.
  • a plurality of openings 29 is cut so that only two narrow webs 31 remain between two adjacent openings 29.
  • Around the openings 29 around a rigid frame 33 is left, which rests on the edge 9 of the shell on all four sides.
  • the openings 29 are here rectangular and arranged in a row and column pattern, so that the webs 31 between them each extending continuously from one side of the frame 33 to the opposite.
  • other shapes and arrangements of the openings 29 are also contemplated, e.g. Triangles or hexagons, provided that the total area of the openings 29 is only large enough so that the webs 31 not appreciably affect the exchange of air between the interior of the shell 7 and the air space above the support grid 15.
  • the frame 33 is bent in a U shape to form a U-profile 35 extending over the entire width of the tray 7.
  • the U-profile 35 surrounds the edge 9, it defines an axis about which the support grid 15 with respect to the evaporation tray 7 is pivotable.
  • one or two protruding tongues 37 are bent into hooks 37, each of which ends in an insertion bevel 39 towards the bottom.
  • the support grid 15 can thus easily and quickly on the
  • Evaporation tray 7 are fixed by first the U-profile 35 of the obliquely held support grid 15 is brought into engagement on one of the edges 9 and then the support grid 15 is pivoted against the evaporation tray 7. In this case, first the insertion bevel 39 abuts against its opposite edge 9 of the shell 7, and the Hook 37 is elastically bent until the insertion bevel 39 has completely passed this opposite edge 9 and it engages in the hook 37.
  • a load bearing support grid 15 could optionally also directly carry the compressor 1 1, so that the shown in Fig. 1, passing through the support grid 15 post 13 could be omitted.
  • the support grid 15 of FIG. 3 can not be punched out of flat material like that of FIG. 2; here, instead, a production by impression, e.g. by injection molding of plastic, into consideration.
  • ribs 41, 43 extend in two different directions. By the ends of these ribs 41, 43 abut against the side walls 27 of the evaporation tray 7, the support grid 15 is fixed in the shell 7, without the need for a lock.
  • Fig. 5 shows an embodiment in which the support grid 15 integral with the
  • the support grid 15 is formed here by upper edges of a plurality of intersecting ribs 45, which divide the interior of the evaporation tray 7 into a plurality of compartments 49.
  • the ribs 45 are interrupted in places by extending to the bottom 25 extending notches 51 to ensure that the compartments 49 communicate with each other and not individual compartments 49 can dry.
  • Fig. 6 shows an example of a support grid 15 of the type shown in Fig. 2 a
  • Pipe socket 53 which can accommodate the lower end of the pipe 23, so as to ensure that this is always on the evaporation tray 7 and no condensation can be lost.
  • the length of the pipe socket 53 is greater than the height of the shell, so that it must extend partially over the support grid.
  • a height of the pipe socket 53 of several cm is desirable to ensure that the end of the pipe 23 is held securely in the pipe socket 53, despite possibly being able to move from one device to the other of the pipe member 23 in a fluctuating manner.
  • the pipe socket 53 also prevents splashes that occur when the end of the pipe 23 does not touch the water surface of the evaporation tray 7 and drops fall from the end of the pipe 23, distribute outside of the evaporation tray 7.
  • FIG. 7 shows a plastic injection-molded support grid 15 according to a further embodiment in a perspective view. 2, it is equipped on one longitudinal side with a U-profile 35 and on the opposite longitudinal side with a plurality of hooks 37 for latching to the edges 9 of an evaporation tray 7.
  • a large-area recess 55 is open to the edge 37 carrying the hooks. The dimensions of the recess 55 are adapted to that of the compressor 1 1 to allow snapping the support grid 15 on the evaporation tray by pivoting about the axis defined by the U-profile 35, even if the compressor 11 already mounted on the evaporation tray 7 is.
  • Fig. 8 shows a partially sectioned perspective view of a
  • the support 57 here has substantially the shape shown in Fig. 1 for the evaporation tray 7, with a flat, rectangular bottom plate 59, the bottom plate 59 on four sides surrounding steep walls 61 and one of the upper edges of the walls 61 projecting outwardly horizontal
  • Edge web 63 which is supported in each case on the narrow sides of the carrier 57 on the support strips 5. From the bottom plate 59 four tabs 65 are cut free and angled upwards to form posts 13 for the assembly of the compressor 1 1.
  • the evaporation tray 7 can be very light and thin-walled here, since it is supported almost on its entire surface by the carrier 57. Openings 67 in the bottom 25 of the evaporation tray 7, through which the posts 13 extend, are surrounded by one-piece raised walls 69 of the tray 7 to prevent the water from flowing out of the tray 7.
  • a refrigerant line 71 which is arranged in the refrigerant circuit of the refrigerator between the compressor 11 and the condenser 21 or between the condenser 21 and a throttle point leading to the evaporator.
  • the small wall thickness of the evaporation tray 7 promotes the transfer of heat from the refrigerant line 71 to condensate in the evaporation tray 7; of the
  • FIG. 9 shows a cross section of the machine room 1 according to an embodiment of the invention.
  • a flat cup-shaped evaporation tank 77 is mounted on the compressor 11, which is heated by direct contact with the compressor 1 1.
  • a vertical overflow tube 79 extends through the bottom of the evaporation tank 77, and its protruding into the compression tank 77 upper end defines the highest achievable water level 81 in the condensate tank
  • Compression tank 77 When the influx of condensed water via the pipe 23 exceeds the evaporation capacity of the compression tank 77 and the
  • Water level 81 is reached, water flows through the overflow pipe 79 into the mounted under the compressor 1 1 evaporation tray 7.
  • the evaporation tray 7 is held in a carrier 57 as shown in FIG. 8 and heated by the refrigerant line 71 extending between the carrier 57 and the tray 7.
  • On the edges of the carrier 57 is a support grid 15, e.g. of the type shown in Fig. 6, latched. Support 57 and supporting grid 15 complement each other to form a housing enclosing the evaporation tray 7, so that additional fixing of the evaporation tray 7 is not required.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Removal Of Water From Condensation And Defrosting (AREA)
  • Table Equipment (AREA)

Abstract

L'invention concerne un appareil frigorifique, notamment un appareil frigorifique ménager, comportant une coquille d'évaporation (7) et un câble (17) conduisant une tension pouvant être placé dans une chambre d'air au-dessus de la coquille d'évaporation (7). Selon l'invention, une grille support (15) s'étend au-dessus du niveau de l'eau de la coquille d'évaporation (7) afin d'empêcher un contact du câble (17) avec l'eau.
EP12702518.7A 2011-02-23 2012-02-02 Appareil frigorifique comportant une coquille d'évaporation Active EP2678623B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12702518T PL2678623T3 (pl) 2011-02-23 2012-02-02 Urządzenie chłodnicze z tacą wyparną

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011004591A DE102011004591A1 (de) 2011-02-23 2011-02-23 Kältegerät mit Verdunstungsschale
PCT/EP2012/051754 WO2012113632A2 (fr) 2011-02-23 2012-02-02 Appareil frigorifique comportant une coquille d'évaporation

Publications (2)

Publication Number Publication Date
EP2678623A2 true EP2678623A2 (fr) 2014-01-01
EP2678623B1 EP2678623B1 (fr) 2019-11-06

Family

ID=45563030

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12702518.7A Active EP2678623B1 (fr) 2011-02-23 2012-02-02 Appareil frigorifique comportant une coquille d'évaporation

Country Status (6)

Country Link
EP (1) EP2678623B1 (fr)
CN (1) CN103403480B (fr)
DE (1) DE102011004591A1 (fr)
PL (1) PL2678623T3 (fr)
RU (1) RU2564229C2 (fr)
WO (1) WO2012113632A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4056933A1 (fr) * 2021-03-09 2022-09-14 Whirlpool Corporation Fonctionnalité de guidage pour une unité de réfrigération

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014124839A1 (fr) * 2013-02-14 2014-08-21 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de collecte d'eau de dégivrage dans un appareil électroménager de réfrigération, appareil électroménager de réfrigération et procédé de montage d'un tel dispositif
DE102014002372A1 (de) * 2014-02-18 2015-08-20 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
DE102016013921A1 (de) * 2016-08-22 2018-02-22 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
CN114431805B (zh) * 2022-02-18 2024-06-21 广东美的白色家电技术创新中心有限公司 热泵洗碗机
DE102022207351A1 (de) * 2022-07-19 2024-01-25 BSH Hausgeräte GmbH Kältegerät und Halter zum Fixieren von Funktionskomponenten eines Kältemittelkreislaufs in einem Maschinenraum eines Kältegeräts

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP4056933A1 (fr) * 2021-03-09 2022-09-14 Whirlpool Corporation Fonctionnalité de guidage pour une unité de réfrigération

Also Published As

Publication number Publication date
PL2678623T3 (pl) 2020-05-18
WO2012113632A3 (fr) 2013-01-17
DE102011004591A1 (de) 2012-08-23
WO2012113632A2 (fr) 2012-08-30
RU2564229C2 (ru) 2015-09-27
CN103403480B (zh) 2016-01-06
CN103403480A (zh) 2013-11-20
RU2013140366A (ru) 2015-03-27
EP2678623B1 (fr) 2019-11-06

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