EP3309482A1 - Appareil frigorifique pourvu de chambre d'évaporation et d'évacuation de l'eau de condensation - Google Patents

Appareil frigorifique pourvu de chambre d'évaporation et d'évacuation de l'eau de condensation Download PDF

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Publication number
EP3309482A1
EP3309482A1 EP17195960.4A EP17195960A EP3309482A1 EP 3309482 A1 EP3309482 A1 EP 3309482A1 EP 17195960 A EP17195960 A EP 17195960A EP 3309482 A1 EP3309482 A1 EP 3309482A1
Authority
EP
European Patent Office
Prior art keywords
evaporator
drain pan
refrigerating appliance
appliance according
water drain
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
EP17195960.4A
Other languages
German (de)
English (en)
Other versions
EP3309482B1 (fr
Inventor
Benjamin Schmidt
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 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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL17195960T priority Critical patent/PL3309482T3/pl
Publication of EP3309482A1 publication Critical patent/EP3309482A1/fr
Application granted granted Critical
Publication of EP3309482B1 publication Critical patent/EP3309482B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/067—Evaporator fan units
    • 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
    • F25D2321/143—Collecting condense or defrost water; Removing condense or defrost water characterised by means to fix, clamp, or connect water pipes or evaporation trays

Definitions

  • the present invention relates to a refrigerator, in particular a household refrigerator, with an evaporator chamber and the evaporator chamber draining Kondenswasserableitu ng.
  • a water drain pan is mounted in the evaporator chamber under the evaporator, converging in the effluent from the evaporator condensate.
  • water drainage would extend to below the lower edges of these walls, but this is with the requirement that the evaporator chamber both simple and too Maintenance should be dismantled, difficult to reconcile.
  • the water drain pan has an end wall facing a downstream wall of the evaporator chamber, and fastening projections projecting beyond the end wall, pass through an opening of the downstream wall and are hooked to a side facing away from the evaporator chamber surface of the downstream wall.
  • these attachment projections may limit the distance between the end wall of the water drain pan and the downstream wall of the evaporator chamber, but can not make it exactly zero due to manufacturing tolerances. This can cause condensation water running down the downstream wall not to enter the water drain pan, but to pass between its end wall and the downstream wall and thereby areas of the refrigeration device reached, where a further outflow of water is not guaranteed and accumulating water can cause malfunction of the refrigerator.
  • the object of the invention is to provide a refrigeration device in which the evaporator chamber is constructed simple and separable and a complete outflow of the condensation water is guaranteed.
  • the object is achieved by providing in a refrigerator with an evaporator chamber, an evaporator mounted in the evaporator chamber, a fan for driving an air flow through the evaporator chamber and a water drain pan, which is mounted in the evaporator chamber below the evaporator and an end wall, which is a downstream wall facing the evaporator chamber, and having at least one over the end wall protruding and passing through an opening of the downstream wall fastening projection, in a stop position in which an outer surface of the end wall contacts an inner surface of the downstream wall at an inner contact point and a rear surface of the Mounting projection contacts an outer surface of the downstream wall at an outer contact point, to the contacting surfaces at the contact points tangential planes from the outer contact point to the opening konv ergieren.
  • the outer contact point should be above the opening.
  • the end wall largely obscures the opening.
  • An upper edge of the end wall should be at least locally lower than the outer contact point to either ensure that when water collects in a gap between the end wall and the downstream wall, this water drains into the drain pan above the top edge of the end wall rather than through the opening. or to prevent, in advance, that the end wall and the downstream wall may form a gap which dehydrates through the opening.
  • this upper edge should preferably extend at the level of the opening.
  • the outer surface of the end wall and the inner surface of the downstream wall should be flat.
  • An area of the water drainage bowl facing away from the downstream wall can rest on a bottom plate of the evaporator chamber.
  • a region of the water drainage bowl facing the downstream wall is preferably spaced from the base plate.
  • the space created thereby between the water drain pan and the bottom plate can be used to accommodate therein a heater for the water drain pan and thus prevent freeze water draining from the evaporator or the downstream wall in the water drain pan again.
  • the region of the water drainage bowl facing away from the downstream wall can engage between a defrost heater extending below the evaporator and the bottom plate of the evaporator chamber.
  • a defrost heater extending below the evaporator and the bottom plate of the evaporator chamber.
  • the defrost heater itself is plate-shaped and sloping down to the downstream wall, then the water drain pan does not need to extend under the entire evaporator to completely absorb any effluent from there draining.
  • the remote area is exposed to compressive forces of the defrost heater and the bottom plate, which exert a torque driving a fastening projection against the contact points on the drain pan and so ensure that the contact remains at the outer and inner contact point even after shocks.
  • an upper edge of the aperture may have at least one edge portion rising obliquely to a vertex.
  • mounting projections should be provided on the water drain pan on both sides of a central plane crossing the end wall.
  • the downstream wall may be part of a component which is inserted into the inner container and separates the evaporator chamber and storage compartment from each other
  • Fig. 1 shows a schematic section through an emergency frost-freezer.
  • a body 1 and a door 2 of the refrigerator may surround one or more chambers, in Fig. 1 only one chamber 3 is shown.
  • a deep-drawn plastic inner container 4 defines the chamber 3 against a the walls of the body 1 filling foam layer 5 from.
  • the chamber 3 is divided by an evaporator shell 6 in a storage compartment 7, an evaporator chamber 8 and a fan chamber 9.
  • a fan 10 in the fan chamber 9 sucks air from the storage compartment 7 via a door near inlet 11 into the evaporator chamber 8, through an evaporator arranged therein 12 and an opening 14 in a downstream wall 13 of the evaporator chamber 8 in the fan chamber 9 and pushes them from there back into the storage compartment 7.
  • Evaporator tray 6 and evaporator 12 are in Fig. 2 in an enlarged section and in Fig. 3 shown in a partially exploded view.
  • the evaporator 12 is a fin evaporator of substantially cuboidal shape.
  • At the bottom of the evaporator 12 extends a plate-shaped defrost heater 15.
  • the defrost heater 15 includes a heat spreader plate 16 made of sheet metal and a heating tube 17, which is laid on the heat spreader plate 16 in serpentine.
  • the heat spreader plate 16 slopes down to the downstream wall 13 of the evaporator chamber 6.
  • Straight sections of the heating tube 17 are laid on the heat spreader plate 16 in the direction of the slope, so that they do not hinder the flow of condensation on the heat spreader plate 16 and each intervene in a gap between fins of the evaporator 12 and can heat them so efficiently.
  • the lower mold body 19 further forms, together with the bottom plate 49, a bottom of the evaporator chamber 8, the evaporator 12 and defrost heater 15 insulated from the storage compartment 7.
  • Fig. 3 is essentially only the upper mold body 18 to see the lower mold body 19 and the water drain pan 25 are received in the evaporator pan 6, so that the lower mold body is hidden behind the wall 13 and below the water drain pan 25.
  • a trench 20 in the transverse direction of the body 1. From the bottom of the trench 20 from a passage 21 through the wall 13 into the fan chamber 9. From the fan chamber 9 from a pipe 22 passes through the Rear wall of the body 1 to the outside, in particular to an evaporation tray 23 in a machine room 24 of the body. 1
  • a water drain pan 25 (s. Fig. 2, 4 ) is provided to catch defrosting effluent during defrosting of the evaporator 12 by the defrost heater 15 and to supply the evaporation tray 23 without being able to distribute in the molded body 19 or in joints between it and the evaporator shell 6.
  • the water drain pan 25 comprises a front portion 26 which is clamped between the defrost heater 15 and the underlying mold body 19 to absorb water draining from the defrost heater 15, a trough-shaped rear portion 27 extending from the bottom of the trench 20 through a Gap 28 is separated, extends over the trench 20 and terminates with a voltage applied to the downstream wall 13 end wall 33, and a pipe socket 29 which extends from the lowest point of the rear portion 27 through the passage 21 of the wall 13 and the free end in the pipe 22 engages.
  • the space 28 under the rear portion 27 provides space for a heater that heats the rear portion 27 and the pipe socket 29 during defrosting of the evaporator 12 to ensure that expired from the evaporator 12 Condensation water actually reaches the evaporation tray 23 and does not previously freeze again in the rear region 27 or in the pipe socket 29.
  • a piece of this heater 48 is in Fig. 3 shown at the end of the pipe socket 29.
  • Fig. 4 shows the water drain pan 25 in a detail view.
  • the one in the perspective of Fig. 3 Facing away from the viewer front portion 26 is flat and bounded at its lateral edges of webs 30, which rise in the assembled state on both sides of the heat spreader plate 16 to dissipate flowing condensate lossless the rear portion 27.
  • Two brackets 31 projecting up from the front region 26 are provided to access a refrigerant line 32 (see FIG. Fig. 2 ) of the evaporator 12 and thus anchor the water drain pan 25 to the evaporator 12.
  • the end wall 33 forms the edge of the water drain pan 25 facing the viewer.
  • the upper edge 35 of two mounting projections 36 From a viewer-facing surface 34 of the end wall 33 are adjacent to the upper edge 35 of two mounting projections 36 from. In the middle between the two mounting projections 36, the upper edge 35 is cut out to leave room for a projecting from the downstream wall 13 in the evaporator chamber 8 into, the opening 14 surrounding intake manifold 37 (s. Fig. 1, 2 ). At least in an upper area, the surface 34 is flat and vertical.
  • the attachment protrusions 36 extend through openings 41 formed on either side of the intake manifold 37 in the downstream wall 13.
  • Fig. 5 shows a plan view of such an opening 41 and the engaging projection 36 therein;
  • Fig. 6 shows a longitudinal section through a fastening projection 36 and its surroundings.
  • the fastening projections 36 are about a surface 34 of the end wall 33 perpendicular, in the sectional plane of the Fig. 6 extending axis 38 rotationally symmetric and each have a stem 39 and a head 40 with a surface 34 facing flat frustoconical rear surface 42 (s. Fig. 6 ).
  • the rear portion 27 is resiliently biased so that the mounting projections 36 press from below against an upper edge 46 of the openings 41.
  • the stem 39 is shorter than the wall thickness d of the downstream wall 13, so that the rear surfaces 42 at the upper edges of the openings 41 an outer, ie, facing away from the evaporator chamber 8, surface 43 of the downstream wall 13 and touch it along this tangential to the rear surface 42 level 44 up to the position of Fig. 6 along which the rear surface 42 and the outer surface 43 contact at a contact point 50 of the upper edge 46 and the surface 34 of the end wall 33 on the inner surface 45 of the downstream wall 13 is tight. If defrosted precipitate on this inner surface 45 above the edge 35, the condensate can flow from there only in the water drain pan 25 into it; the path into the space 28 is blocked by the contact of downstream wall 13 and end wall 33.
  • this opening 41 can not happen easily. Due to the small length of the stem 39, this and the upper edge 46 of the opening 41 are always separated by a gap 47. This gap 47 prevents a dew drops is drawn by capillary action in the opening 41. Instead, it is deflected sideways by the roof-like course of the upper edge 46 with sections rising obliquely to a vertex and thus finally reaches the water drain pan 25th

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)
EP17195960.4A 2016-10-14 2017-10-11 Appareil frigorifique pourvu de chambre d'évaporation et d' écoulement d'eau de condensation Active EP3309482B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17195960T PL3309482T3 (pl) 2016-10-14 2017-10-11 Urządzenie chłodzące z komorą parownika i odprowadzeniem wody kondensacyjnej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016220158.1A DE102016220158A1 (de) 2016-10-14 2016-10-14 Kältegerät mit Verdampferkammer und Kondenswasserableitung

Publications (2)

Publication Number Publication Date
EP3309482A1 true EP3309482A1 (fr) 2018-04-18
EP3309482B1 EP3309482B1 (fr) 2022-01-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17195960.4A Active EP3309482B1 (fr) 2016-10-14 2017-10-11 Appareil frigorifique pourvu de chambre d'évaporation et d' écoulement d'eau de condensation

Country Status (3)

Country Link
EP (1) EP3309482B1 (fr)
DE (1) DE102016220158A1 (fr)
PL (1) PL3309482T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4006462A4 (fr) * 2019-09-12 2022-09-07 Qingdao Haier Refrigerator Co., Ltd. Réfrigérateur à structure de montage d'évaporateur améliorée
WO2023129368A1 (fr) * 2021-12-29 2023-07-06 True Manufacturing Co., Inc. Réfrigérateur accessible autonome
WO2023123938A1 (fr) * 2021-12-30 2023-07-06 合肥美的电冰箱有限公司 Plaque de drainage, ensemble conduit d'air, revêtement de boîte et appareil de réfrigération

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5692087U (fr) * 1979-12-18 1981-07-22
US6363736B1 (en) * 2001-03-21 2002-04-02 White Consolidated Industries, Inc. Condensate evaporator pan
JP2004011931A (ja) * 2002-06-03 2004-01-15 Hoshizaki Electric Co Ltd 冷却庫
DE102006015994A1 (de) * 2006-04-05 2007-10-11 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Abtauheizung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5692087U (fr) * 1979-12-18 1981-07-22
US6363736B1 (en) * 2001-03-21 2002-04-02 White Consolidated Industries, Inc. Condensate evaporator pan
JP2004011931A (ja) * 2002-06-03 2004-01-15 Hoshizaki Electric Co Ltd 冷却庫
DE102006015994A1 (de) * 2006-04-05 2007-10-11 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Abtauheizung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4006462A4 (fr) * 2019-09-12 2022-09-07 Qingdao Haier Refrigerator Co., Ltd. Réfrigérateur à structure de montage d'évaporateur améliorée
WO2023129368A1 (fr) * 2021-12-29 2023-07-06 True Manufacturing Co., Inc. Réfrigérateur accessible autonome
US11994335B2 (en) 2021-12-29 2024-05-28 True Manufacturing Co., Inc. Self-contained reach-in refrigerator
WO2023123938A1 (fr) * 2021-12-30 2023-07-06 合肥美的电冰箱有限公司 Plaque de drainage, ensemble conduit d'air, revêtement de boîte et appareil de réfrigération

Also Published As

Publication number Publication date
PL3309482T3 (pl) 2022-05-02
DE102016220158A1 (de) 2018-04-19
EP3309482B1 (fr) 2022-01-26

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