EP1293738B1 - Dispositif de réfroidissement par contact - Google Patents

Dispositif de réfroidissement par contact Download PDF

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Publication number
EP1293738B1
EP1293738B1 EP02017052A EP02017052A EP1293738B1 EP 1293738 B1 EP1293738 B1 EP 1293738B1 EP 02017052 A EP02017052 A EP 02017052A EP 02017052 A EP02017052 A EP 02017052A EP 1293738 B1 EP1293738 B1 EP 1293738B1
Authority
EP
European Patent Office
Prior art keywords
cooling
cooling device
wall
contact
capsules
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.)
Expired - Lifetime
Application number
EP02017052A
Other languages
German (de)
English (en)
Other versions
EP1293738A1 (fr
Inventor
Klaus Meike
Hans Helmut Reichmann
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.)
Schaefer Werke GmbH
Original Assignee
Schaefer Werke 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
Priority claimed from DE20206935U external-priority patent/DE20206935U1/de
Application filed by Schaefer Werke GmbH filed Critical Schaefer Werke GmbH
Publication of EP1293738A1 publication Critical patent/EP1293738A1/fr
Application granted granted Critical
Publication of EP1293738B1 publication Critical patent/EP1293738B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/06—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits forming part of, or being attached to, the tank containing the body of fluid
    • 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
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
    • F25D3/06—Movable containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • 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
    • F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
    • F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
    • F25D2303/085—Compositions of cold storage materials
    • 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
    • F25D31/00—Other cooling or freezing apparatus
    • F25D31/006—Other cooling or freezing apparatus specially adapted for cooling receptacles, e.g. tanks

Definitions

  • the invention relates to a cooling device for contact cooling according to the preamble of claim 1, preferably from Beverage containers and other objects to be cooled by heat extraction, comprising a cooling element or a plurality of cooling elements connected to one another, each cooling element having at least one flexible contact wall that is suitable is for the heat transfer to a cooling object, and with an outer wall a thermal insulation, the at least one chamber with a filling of a form flowable coolant, as disclosed by US-A-3736769.
  • Such cooling devices have long been known in various designs. They are usually welded from two flexible plastic films and with a so-called cold gel filled, which depending on the cold mixture to very deep Temperatures, e.g. -20 to -30 ° C, can be cooled and still flowable and remains flexible. The foils used are also for these temperatures suitable.
  • Cooling brine work There are also known other cooling devices, so-called cold packs, which Cooling brine work. This cooling brine freezes at a defined temperature point and gives off a lot of latent heat that they have at this temperature point resumes when melting. This latent heat is approximately 295,000 to J / kg e.g. at -12 ° C.
  • the invention is therefore based on the object of a cooling device for contact cooling of the type mentioned without the disadvantages of the known cooling devices to create that also easy and inexperienced users is safe to use and an attractive one with inexpensive production Looks.
  • This object is achieved in that between heat-insulated Outer wall and flexible contact wall at least one with one Cold brine filled capsule is arranged. So there is a high cooling capacity, short cooling times and low heat losses.
  • the cooling device combines the in an excellent manner Advantages of the known cooling devices, namely the good heat transfer on the one hand to the cooling object through flexible adaptation of the shape of the contact wall and on the other hand the large cooling capacity in a defined latent heat temperature point, e.g. -12 ° C, for quick cooling, e.g. of filled beverage containers, to temperatures between + 2 ° C to + 12 ° C.
  • the good one Heat transfer not only from smooth-walled, but also from regular or irregularly shaped surfaces thanks to the flexible shape adjustment.
  • the brine capsules embedded in the flowable coolant give theirs Cooling capacity due to good heat conduction in the coolant, e.g. Cold gel, about this to the cooling object.
  • the coolant also has its own relatively low level , Cooling capacity.
  • the volume-related quantity distribution from coolant to cooling brine is heavily dependent of the cooling object and the structure and shape of the cooling elements.
  • the mass ratio of coolant to brine is of the order of magnitude from 1: 3 to 1: 5.
  • Measurements on cooling devices according to the invention have when cooling z. B. Beverage containers from room temperature Drinking temperature, e.g. 8 ° C, compared to a shortening of the cooling time by approx. 40-50% Cold accumulators with a reduction in the total coolant mass required result.
  • the cooling device is generally less expensive and the waiting time until the start of consumption of the drinks at the desired Temperature and the "cold losses" to the outside are significantly shorter or reduced.
  • the total weight and volume is compared to pure gel coolers significantly reduced by 60-70%, which has further advantages when re-freezing (Charging) the cooling device in the freezer means.
  • the cooling device consists of a cooling element 1 or more cooling elements 1 (FIG. 1), which in the case of a plurality of cooling elements 1 on bending connectors 18 are interconnected.
  • the cooling elements 1 have a flexible contact wall 2 and a filling with flowable coolant 4, which is in almost complete Body contact on the irregularly shaped surfaces of a cooling object 11 put on. (see Fig. 2).
  • the cooling elements 1 to be constructed differently have a cross section (cf. FIG 2, 3, 4, 5, 6) a contact wall 2 on the cooling object side and an outer wall 5, which form chambers 3 which are filled with the coolant 4, wherein 2 capsules 6 are arranged between the outer wall 5 and the contact wall, which are filled with cold brine 7.
  • the capsules 6 have different shapes and Cross sections, the design of which depends on the type and geometry of the cooling object 11 depends. The same applies to the dimensions of the cooling elements 1, e.g. for cooling objects 11 with an angular shape (see. Fig. 1, 2, 9).
  • the division of the cooling device into a certain number of defined shaped Cooling elements 1 are each matched to the cooling object 11, but also to one space-saving folding for freezing or during transport.
  • the outside of the cooling elements 1 is provided with thermal insulation 10 against cold losses covered.
  • Fig. 3 shows a design of the cooling device, in which the capsules 6 from relative rigid containers 8.2 exist, the outer walls 5 and opposite, have inner walls 19 on the edges thereof or on the outside Corner areas elastic contact walls 2 at welding / or gluing points 20 are applied, which in turn form chambers 3 with the walls 19.
  • the cooling elements 1 formed in this way are on the entire outer wall 5 covered with thermal insulation 10.
  • FIG. 5 shows a design in which the chambers 3 and the capsules 6 pass through two elastic foils welded together in a line are formed and the chambers 3 and capsules 6 closely spaced apart issue.
  • FIG. 6 shows a design based on the embodiment according to FIG. 4, in which the cooling elements 1 are covered with a pocket-like flexible shell, which by a good heat-conducting fabric 12 and an external flexible Visible fabric 13 is formed, on the inside of which the thermal insulation 10 is arranged and the outside e.g. the intended use of the cooling device is decorated and labeled accordingly.
  • FIG. 7 and 8 show an example of a cylindrical container 14 with a container wall 16 and a stand 15, with a shell-shaped around the container wall 16 Cooling device from six cooling elements 1 in the exemplary embodiment is created, the pocket-like flexible shell made of a heat-conducting fabric 12 and from a decorative visible fabric 13, at their abutting Ends the cooperating parts of a closure 17 are arranged are.
  • FIG. 9 shows the top view of a rectangular container 14.1 with a cooling device made up of four cooling elements 1 and a closure 17th

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Claims (10)

  1. Dispositif de refroidissement pour refroidissement par contact, comprenant un élément de refroidissement (1) ou plusieurs éléments de refroidissement reliés les uns aux autres (1), chaque élément de refroidissement (1) présentant au moins une paroi de contact souple (2) qui est apte à transférer de la chaleur à un objet de refroidissement, et une paroi extérieure (5) comprenant une isolation thermique (10), qui forment au moins une chambre (3) remplie d'un fluide de refroidissement apte à l'écoulement (4),
    caractérisé en ce que
    chaque élément de refroidissement (1) est composé d'au moins une chambre (3) et qu'entre la paroi extérieure à isolation thermique (5) et la paroi de contact souple (2) est disposée au moins une capsule (6) remplie de saumure congelée (7).
  2. Dispositif de refroidissement selon la revendication 1,
    caractérisé en ce que
    les capsules (6) se présentant sous forme de contenants (8.1) en forme de boules, de dés ou de tubes sont positionnées à l'intérieur des chambres (3).
  3. Dispositif de refroidissement selon la revendication 2,
    caractérisé en ce que
    les capsules (6) consistent en contenants rigides (8.2) et que les chambres (3) sont composées par des bombements (9) des parois de contact (2) et respectivement d'une paroi (19) des contenants (8.2), la paroi de contact (2) ainsi que la paroi (19) des contenants (8.2) étant reliées hermétiquement de façon linéaire sur les bords des parois (19).
  4. Dispositif de refroidissement selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce que
    les chambres (3) et les capsules (6) sont formées de trois feuilles de matière plastique soudées ensemble de façon linéaire, élastiques et étendues par pression.
  5. Dispositif de refroidissement selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce que
    les chambres (3) et les capsules (6) sont formées de deux feuilles de matière plastique respectivement soudées ensemble de façon linéaire, élastiques et étendues par pression.
  6. Dispositif de refroidissement selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que
    il présente une enveloppe souple de type poche formée d'une toile souple conductrice de chaleur (12) sur la face intérieure en contact avec la paroi de contact (2) et d'une toile décorative visible (13) en contact avec l'isolation thermique (10), qui reçoit les éléments de refroidissement (1).
  7. Dispositif de refroidissement selon la revendication 6,
    caractérisé en ce que
    aux extrémités opposées de l'enveloppe souple de type poche qui s'étendent parallèlement au sens de l'axe des capsules (6) sont disposées les deux pièces coopérantes d'une fermeture (17).
  8. Dispositif de refroidissement selon la revendication 6,
    caractérisé en ce que
    l'enveloppe souple de type poche est conformée en continu et sans fermeture (17).
  9. Dispositif de refroidissement selon l'une quelconque des revendications 1 à 8,
    caractérisé en ce que
    au moins la paroi extérieure (5) de la capsule (6) est réalisée sous forme d'un corps à forme stable.
  10. Dispositif de refroidissement selon l'une quelconque des revendications 1 à 9,
    caractérisé en ce que
    la saumure congelée (7) possède une température de congélation de -10 °C à -18 °C.
EP02017052A 2001-09-18 2002-07-27 Dispositif de réfroidissement par contact Expired - Lifetime EP1293738B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE20115422U 2001-09-18
DE20115422 2001-09-18
DE20206935U DE20206935U1 (de) 2001-09-18 2002-05-02 Kühlvorrichtung zur Kontaktkühlung
DE20206935U 2002-05-02

Publications (2)

Publication Number Publication Date
EP1293738A1 EP1293738A1 (fr) 2003-03-19
EP1293738B1 true EP1293738B1 (fr) 2004-10-20

Family

ID=26057204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02017052A Expired - Lifetime EP1293738B1 (fr) 2001-09-18 2002-07-27 Dispositif de réfroidissement par contact

Country Status (2)

Country Link
EP (1) EP1293738B1 (fr)
AT (1) ATE280370T1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2761649T3 (es) * 2005-05-11 2020-05-20 Liebherr Hausgeraete Ochsenhausen Gmbh Aparato de refrigeración y/o congelación
NL1029083C2 (nl) * 2005-05-20 2006-11-21 Breedveldt Beheer B V M Inrichting voor het koelen van voorwerpen, in het bijzonder een koelmantel voor drankcontainers.
WO2013110957A2 (fr) 2012-01-27 2013-08-01 True Energy Limited Appareil de réfrigération
US10704822B2 (en) 2015-09-11 2020-07-07 The Sure Chill Company Limited Portable refrigeration apparatus
GB2567690B (en) * 2017-10-23 2019-10-23 Robert Ingam Philip Cooling elements and cooling assemblies comprising same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3736769A (en) * 1971-07-01 1973-06-05 Union Carbide Corp Cooling device
US3802220A (en) * 1973-06-20 1974-04-09 Kool Pak Corp Cooling cushion
US5478988A (en) * 1994-01-28 1995-12-26 Thermionics Corporation Thermal exchange composition and articles for use thereof

Also Published As

Publication number Publication date
ATE280370T1 (de) 2004-11-15
EP1293738A1 (fr) 2003-03-19

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