EP2199711B1 - Espace tempéré avec dispositif pour le passage d'air de refroidissement de plats dans un chariot à tablettes de plusieurs étages - Google Patents

Espace tempéré avec dispositif pour le passage d'air de refroidissement de plats dans un chariot à tablettes de plusieurs étages Download PDF

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Publication number
EP2199711B1
EP2199711B1 EP09015758.7A EP09015758A EP2199711B1 EP 2199711 B1 EP2199711 B1 EP 2199711B1 EP 09015758 A EP09015758 A EP 09015758A EP 2199711 B1 EP2199711 B1 EP 2199711B1
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EP
European Patent Office
Prior art keywords
temperature
suction duct
controlled chamber
chamber
rear wall
Prior art date
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Application number
EP09015758.7A
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German (de)
English (en)
Other versions
EP2199711A2 (fr
EP2199711A3 (fr
Inventor
Helmut Dipl.-Ing. Schumacher
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Individual
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Priority to DE202009017842U priority Critical patent/DE202009017842U1/de
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Publication of EP2199711A3 publication Critical patent/EP2199711A3/fr
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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
    • F25D13/00—Stationary devices, e.g. cold-rooms
    • 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
    • F25D17/005—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces in cold rooms
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/065—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return
    • F25D2317/0651—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return through the bottom
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/067—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts
    • F25D2317/0671—Inlet ducts
    • 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
    • F25D2400/20—Carts specially adapted for transporting objects to be cooled

Definitions

  • the invention relates to a tempered room with a device for guiding air for a multi-ply transport cart.
  • the tempered room is in particular a refrigerator in a refrigerator in which at least one trolley can be parked.
  • the term "trolley" in particular fall open trolley, which have several floors for trays, and open shelves with shelves.
  • the parked in the tempered room trolley is flowed through by tempered horizontal air streams, which flow through wall-side openings in the room, sucked out again and be circulated.
  • mobile, multi-ply transport trolleys are used. They are provided with trays and food distribution components provided thereon, e.g. B. dishes, as well as food from a cold store to dining outlets or Suiteverteilstationen driven.
  • the cooling chain must not be interrupted and it must be ensured that the food distribution components and food provided on the trays do not heat up unacceptably.
  • the food must be kept cold even after leaving the cold store. In cases where they have warmed within permissible limits during transport, they must be cooled back to a desired temperature range, for example, less than 4 ° C.
  • the trolleys are parked in refrigerators, which are kept ready at the Why a multi-day trolley can be pushed into it.
  • a refrigerator for keeping a multi-ply dolly cool.
  • the refrigerator has a cooling space for receiving the trolley, which is bounded by a rear wall, side walls and a ceiling surface and has an open front. Adjacent to the rear wall is a flow space communicating with cavities in the side walls.
  • a fan and a cooling device are arranged in the rear flow space.
  • a cooling air circuit is created, with the cooling air exiting through openings in one of the side walls, flowing through the cooling chamber in a plurality of planes substantially horizontally, and thus re-suctioning openings in the opposite side wall.
  • the air duct is not yet fully satisfactory.
  • a particular disadvantage is that the air flows come into contact with the bottom surface of the temperature-controlled space, which can be contaminated by the retraction and extension of the trolley.
  • Out DE 19 00 048 A1 is a refrigerated display case for sales rooms known in the trolley can be parked with goods to be cooled.
  • a device is provided with a suction channel arranged on the bottom side, which uses a space available underneath a transport carriage between its rollers and extends from a front side of the room to a rear wall of the room.
  • the suction channel has on the front side an intake opening for an air flow and adjoins at its rear end to a connection equipped with a blower port in the rear wall of the room.
  • the suction channel connects to a front wall of the refrigerated display case, which extends over the entire width of the refrigerated display case and contains an air collecting space with top-side air openings.
  • the front wall of the refrigerated display case can be dismantled and must be removed if a transport cart is to be parked in the tempered room or moved out of it again.
  • the refrigerated display case is unsuitable.
  • the installation and removal of the front wall is time-consuming and cumbersome.
  • the refrigerated display does not feel the hygiene requirements that must be considered in an open-food cooling, since the flow space within the front wall can not or only poorly cleaned.
  • Out EP 0 117 043 A1 is a device for guiding air in a tempered room for a multi-ply transport vehicle according to the preamble of claim 1 known.
  • a cooling air curtain is directed downwards, where it enters a vertical, funnel-shaped channel section and is transferred from there into a horizontal channel section.
  • the vertical channel section must be removed, so then just at the exposed front end of the horizontal channel section is an increased risk of contamination.
  • the invention has for its object to provide a tempered room with device for air guidance, with which it is possible to temper the entire room effectively without the air flow comes into contact with surfaces by the extension and retraction of the Transport trolley can be dirty or can be poorly cleaned.
  • the space comprises a bottom-side arranged suction channel, which uses a space available below the trolley between the rollers and space of a Front of the room extends to a rear wall of the room, at the Front has a suction port for a flow of air and adjacent at its rear end to a equipped with a blower port in the back wall of the room.
  • the suction opening is arranged according to the invention at the top of the suction channel and extends substantially over the entire width of the suction channel.
  • the suction is displaced to the front of the temperature-controlled space, so that horizontal air currents entering through the wall-side openings, in particular through openings in the rear wall, in the room and flow through the floors between the trays of a multi-ply trolley, only on the front page be deflected downwards.
  • This ensures effective temperature control of the entire room from the back to the front.
  • the air flow is sucked on the bottom side, it is further ensured by the inventive design that the tempered air does not come into contact with a surface that is contaminated by the retraction and extension of the trolley. The air flow can therefore be circulated without the risk of contamination of the air flow is permanent.
  • the suction channel has a rectangular flow cross-section and extends with constant width and constant height from the front side to the rear wall of the temperature-controlled space.
  • the suction channel can be removed from the tempered room for cleaning purposes and is preferably made as a sheet metal body of a stainless steel sheet.
  • the bottom of the suction channel is preferably designed as a collecting tray for condensed water, which extends through an opening in the rear wall of the temperature-controlled room into a functional space equipped with cooling surfaces at the rear of the temperature-controlled space ,
  • the part of the collecting trough projecting into the temperature-controlled space is covered with a plate and thus separated from the part of the suction channel through which an air flow flows.
  • the cooling surfaces in the functional space are part of a cooling device. This can consist of an evaporator which can be connected to an external cooling machine or is connected to a refrigerator integrated in the refrigerator.
  • the floor rails are preferably made of U-profiles and are fixed or releasably secured in the tempered room.
  • a refrigerator is shown with a drivable tempered room 1 for a multi-day trolley.
  • the temperature-controlled room 1 is also referred to below as a cooling room.
  • the trolley 2 is an open trolley, which has several floors for trays.
  • the refrigerator 1 of the refrigerator is limited by a rear wall 7, side walls 8 and a ceiling surface at the top and has an open or provided with a door front 10.
  • a functional space 3 through which the cooling air flows, which is equipped with a cooling device 5.
  • a blower 6 is provided, which is arranged in a connection opening in the rear wall.
  • a plurality of superposed openings 4 are provided, from which escape cooling air streams 11, which flow through a parked in the refrigerator trolley 2 in several levels substantially horizontally. The flowing through the opening 4 in the cooling chamber 1 cooling air streams 11 are directed from the back of the refrigerator forward to the open front 10 and are there sucked on the bottom side.
  • a suction channel 14 is provided, which ends at the front side 10 and there has a suction port 15 for the cooling space 1 flowing through the air streams.
  • the suction channel 14 is arranged on the bottom side and extends from the front side 10 to the rear wall 7 of the cooling space 1, wherein the suction channel 14 a below the trolley 2 between the two-sided Casters 16 uses available space.
  • the suction opening 15 of the suction channel 14 is preferably arranged on the upper side of the suction channel 14 and extends substantially over the entire width of the suction channel 14.
  • the fan 6 or an arrangement of a plurality of juxtaposed blowers is at the rear end of the suction channel 14 in a connection opening in the rear wall 7 of the cooling chamber 1 is arranged.
  • bottom rails 19 are arranged for the rollers 16 of the trolley 2.
  • the suction channel 14 has a rectangular flow cross-section and extends with constant width and constant height from the front side 10 to the rear wall 7 of the cooling space. It is preferably made as sheet metal body made of stainless steel sheet and can be removed for cleaning purposes from the refrigerator 1.
  • Fig. 2 shows that the bottom of the suction channel 14 is formed as a collecting tray 17 for condensed water, which extends through an opening in the rear wall 7 of the cooling chamber 1 into the rear-side functional space 3.
  • the protruding into the cooling chamber 1 part of the drip pan 17 is covered with a plate 18 and thereby separated from the flow of cooling air through the part of the suction channel 14.
  • the plate 18 is fixedly connected to the suction channel 14 and welded, for example, with the suction channel.
  • the arranged on both sides of the suction channel floor rails 19 are made of U-profiles, which are fixed fixed or detachably in the cooling chamber 1 expediently.
  • each trolley in this case is associated with a device according to the invention for air guidance with a suction channel and bottom rails arranged on both sides.
  • the device according to the invention is also generally suitable for tempered rooms, which are flowed through for the purpose of heating hot air streams.

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)
  • Handcart (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Cleaning In General (AREA)

Claims (7)

  1. Espace tempéré (1), pourvu d'un dispositif de guidage d'air, destiné à un chariot de transport (2) à plusieurs étages, doté d'un canal aspirant (14) du côté du fond inférieur, qui utilise un emplacement disponible en-dessous du chariot de transport (2), entre les roulettes (16) de celui-ci et qui s'étend d'une face frontale (10) de l'espace jusqu'à une paroi arrière (7) de l'espace, le canal aspirant (14) comportant sur la face frontale (10) un orifice d'aspiration (15) pour un flux d'air et jouxtant par son extrémité arrière un orifice de raccordement équipé d'un ventilateur (6) dans la paroi arrière (7) de l'espace (1), l'orifice d'aspiration (15) étant placé sur la face supérieure du canal aspirant (14) et s'étendant sensiblement sur toute la largeur du canal aspirant (14), caractérisé en ce que le canal aspirant (14) présente une section transversale d'écoulement de forme rectangulaire et s'étend avec une largeur constante et une hauteur constante de la face frontale (10) jusqu'à la paroi arrière (1) de l'espace tempéré.
  2. Espace tempéré (1) selon la revendication 1, caractérisé en ce que le canal aspirant (14) est fabriqué en un corps en tôle en une tôle d'acier inoxydable.
  3. Espace tempéré (1) selon la revendication 1 ou 2, caractérisé en ce que le fond inférieur du canal aspirant (14) est conçu sous la forme d'une cuve collectrice (17) d'eau de condensation, qui s'étend à travers un orifice dans la paroi arrière (7) de l'espace tempéré (1) jusqu'à un espace fonctionnel (3) équipé de surfaces réfrigérantes sur la face arrière de l'espace tempéré (1) et en ce que la partie de la cuve collectrice (17) qui saillit dans l'espace tempéré (1) est recouverte d'une plaque (18) et est séparée de ce fait de la partie du canal aspirant (14) qui est irriguée par un flux d'air.
  4. Espace tempéré (1) selon la revendication 3, caractérisé en ce que la plaque (18) est fixement assemblée avec le canal aspirant (14).
  5. Espace tempéré (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le canal aspirant (14) peut se retirer de l'espace tempéré (1), aux fins de nettoyage et le cas échéant pour vider la cuve collectrice.
  6. Espace tempéré (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que de part et d'autre du canal aspirant (14) sont placés des rails inférieurs (19) pour les roulettes (16) du chariot de transport (2).
  7. Espace tempéré (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les rails inférieurs (19) sont constitués de profilés en forme de U qui sont fixés de manière fixe ou amovible dans l'espace tempéré (1).
EP09015758.7A 2008-12-22 2009-12-19 Espace tempéré avec dispositif pour le passage d'air de refroidissement de plats dans un chariot à tablettes de plusieurs étages Active EP2199711B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE202009017842U DE202009017842U1 (de) 2008-12-22 2009-12-19 Vorrichtung zur Luftführung in einem temperierten Raum für einen mehretagigen Transportwagen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008064215 2008-12-22
DE102009011733A DE102009011733B4 (de) 2008-12-22 2009-03-09 Vorrichtung zur Luftführung in einem temperierten Raum für einen mehretagigen Transportwagen

Publications (3)

Publication Number Publication Date
EP2199711A2 EP2199711A2 (fr) 2010-06-23
EP2199711A3 EP2199711A3 (fr) 2014-07-30
EP2199711B1 true EP2199711B1 (fr) 2019-07-17

Family

ID=42107329

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09015758.7A Active EP2199711B1 (fr) 2008-12-22 2009-12-19 Espace tempéré avec dispositif pour le passage d'air de refroidissement de plats dans un chariot à tablettes de plusieurs étages

Country Status (2)

Country Link
EP (1) EP2199711B1 (fr)
DE (2) DE102009011733B4 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9939188B2 (en) 2013-07-05 2018-04-10 Brad Lockwood Portable cooler
KR102304610B1 (ko) * 2020-03-03 2021-09-23 이기선 냉각장치
DE102020119113A1 (de) 2020-07-21 2022-01-27 PremiumWineTech GmbH Kühlmöbel und Verfahren zum Kühlen von Kühlgut

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0117043A1 (fr) * 1983-01-15 1984-08-29 Craig-Nicol Limited Armoire frigorifique
DE102009011732A1 (de) * 2008-12-22 2010-07-01 Schumacher, Helmut, Dipl.-Ing. Verfahren und Vorrichtung zum Kühlen von Speisen in einem mehretagigen Transportwagen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB943675A (en) * 1962-01-01 1963-12-04 Foster Refrigerator Corp Refrigerator
US3478535A (en) * 1968-01-24 1969-11-18 Clark Equipment Co Refrigerated case
US4077228A (en) * 1976-08-16 1978-03-07 Emhart Industries, Inc. Refrigerated display case
US4402192A (en) * 1981-12-31 1983-09-06 Emhart Industries, Inc. Refrigerated display case having an accordion-type combined air duct and service door
DE3210423A1 (de) * 1982-03-22 1983-10-13 Linde Ag, 6200 Wiesbaden Kuehlregal
JP2715363B2 (ja) * 1993-09-24 1998-02-18 株式会社岡村製作所 エアカーテン式冷蔵ショーケース
JP3163917B2 (ja) * 1994-11-21 2001-05-08 富士電機株式会社 リアロード式冷蔵ショーケース
EP1600084B1 (fr) * 2004-05-24 2013-03-27 Hussmann Corporation Présentoir réfrigéré ouvert vers l'avant comprenant un chariot roulant pouvant être entré ou sorti
DE102006044844A1 (de) 2006-09-22 2008-04-10 Blanco Gmbh + Co Kg Kühlstation zur Aufnahme eines Gestells

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0117043A1 (fr) * 1983-01-15 1984-08-29 Craig-Nicol Limited Armoire frigorifique
DE102009011732A1 (de) * 2008-12-22 2010-07-01 Schumacher, Helmut, Dipl.-Ing. Verfahren und Vorrichtung zum Kühlen von Speisen in einem mehretagigen Transportwagen

Also Published As

Publication number Publication date
EP2199711A2 (fr) 2010-06-23
EP2199711A3 (fr) 2014-07-30
DE102009011733A1 (de) 2010-07-01
DE202009017842U1 (de) 2010-06-10
DE102009011733B4 (de) 2011-12-22

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