DK153908B - REFRIGERATOR OR FREEZER - Google Patents
REFRIGERATOR OR FREEZER Download PDFInfo
- Publication number
- DK153908B DK153908B DK56684A DK56684A DK153908B DK 153908 B DK153908 B DK 153908B DK 56684 A DK56684 A DK 56684A DK 56684 A DK56684 A DK 56684A DK 153908 B DK153908 B DK 153908B
- Authority
- DK
- Denmark
- Prior art keywords
- aluminum
- heat
- aluminum plate
- plate
- refrigerator
- Prior art date
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
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/061—Walls with conduit means
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)
- Refrigerator Housings (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
1 DK 153908 B1 DK 153908 B
KØLE- ELLER FRYSEAPPARATREFRIGERATOR OR FREEZER
Opfindelsen vedrører et køle- eller fryseapparat af den i patentkravets indledning nævnte art.The invention relates to a cooling or freezing apparatus of the kind mentioned in the preamble of the patent claim.
55
Et fra det amerikanske patentskrift nr. 2 961 851 kendt køleapparat af denne art har et hus med en på den lodrette forside anbragt dør. Husets bagside danner en kondensator, der består af en selvbærende, metallisk plade, hvorpå der 10 med varmeledende forbindelse er anbragt rør. Rørene findes på pladens bort fra varmeisoleringen vendende, udvendige side og forløber med vandrette sløjfer. Den plade, der er en del af kondensatoren, har ombøjede sidekanter, der har anlæg mod sidekanterne på husets sidevægge. Med denne kon-15 struktion kan der under brug lægge sig støv og andre urenheder, som med køleskabets tiltagende anvendelse kan resultere i stadig ringere varmeafgivelse som følge af dannelse af stadigt tykkere snavslag. Endvidere udgør de vandrette rørsløjfer også en strømningsmodstand mod den 20 langs kondensatorfladen opstigende konvektionsluft, således at varmeopstuvningen forøges yderligere. Ud over dette kan kanterne på husets sidevægge af de trykkræfter, som optræder i varmeisoleringen, løftes bort fra den ombukkede sidekant af pladen, som danner kondensatoren, således at 25 varmeovergangen til sidevæggene forringes på disse steder.A refrigerator of this kind known from US Patent No. 2,961,851 has a housing with a door located on the vertical front. The back of the housing forms a capacitor which consists of a self-supporting metallic plate, on which 10 with heat conducting connection are arranged pipes. The pipes are located on the plate away from the thermal insulation, facing the outside and extending with horizontal loops. The plate that is part of the capacitor has curved side edges which abut against the side edges of the housing sidewalls. With this construction, dust and other impurities can be deposited during use which, with the increasing use of the refrigerator, may result in increasingly poor heat dissipation due to the formation of ever thicker dirt layers. Furthermore, the horizontal pipe loops also constitute a flow resistance to the convection air rising along the capacitor surface so that the heat buildup is further increased. In addition, the edges of the housing sidewalls of the compressive forces occurring in the heat insulation can be lifted away from the folded side edge of the plate forming the capacitor so that the heat transfer to the sidewalls deteriorates at these locations.
Ved reduktion af varmeafgivelsen fra kondensatoren forringes også køleapparatets kølevirkning, eller køleapparatets virkningsgrad forringes, og dermed stiger strømforbruget.Reducing the heat output from the capacitor also reduces the cooling effect of the refrigerator, or the efficiency of the refrigerator decreases, thus increasing the power consumption.
30 I øvrigt bevirker de udvendigt anbragte rør en partiel forsnævring af den nødvendige konvektionskanal på apparatets bagside.30 Moreover, the externally arranged tubes cause a partial narrowing of the necessary convection duct on the rear of the apparatus.
Fra det amerikanske patentskrift nr. 3 122 006 kendes også 35 et fryseapparat, der er udformet som en kiste med et på oversiden anbragt dæksel. I dette består hele det udvendige hus af en tolags aluminiumplade, i hvilken der på den mod varmeisoleringen vendende side ved hjælp af trykluftUS Patent No. 3,122,006 also discloses a freezer apparatus which is designed as a chest with a cover placed on the upper side. In this, the entire outer housing consists of a two-layer aluminum plate, in which on the side facing the heat insulation by means of compressed air
DK 153908 BDK 153908 B
2 er udformet rør til føring af kølemidlet. Hele det udvendige hus danner her en kondensator, der ikke står i forbindelse med husets andre sidevægge. Et køletrug af denne art skal i øvrigt anbringes med afstand mellem 5 nærtliggende vægge og de sidevægge, der forbinder køletrugets for- og bagside, for at sikre varmeafgivelse også fra disse. Apparatet er derfor ikke egnet som skab til indbygning i køkkenelementer.2 is a pipe for guiding the refrigerant. The entire outer housing here forms a capacitor which is not connected to the other side walls of the housing. A refrigeration trough of this kind must also be placed at a distance between 5 adjacent walls and the side walls connecting the front and rear sides of the refrigeration trough to ensure heat release from these as well. The appliance is therefore not suitable as a cabinet for installation in kitchen elements.
10 Fra det amerikanske offentliggørelsesskrift nr 2 795 035 kendes også en fordamper til køleapparater, som består af en aluminiumplade på hvis mod varmeisoleringen vendende side der er anbragt aluminiumrør til føring af kølemiddel. Aluminiumpladens glatte, indvendige side udgør en del af 15 kølerummets indvendige vægflade. Aluminiumrørerne er i denne konstruktion klæbet på aluminiumpladen. Der er ikke angivet nogen forbindelse mellem aluminiumpladen og naboplacerede sidevægge.10 from U.S. Pat. No. 2,795,035 is also disclosed an evaporator for refrigerators, which consists of an aluminum plate on whose side facing the heat insulation is located aluminum tubes for conducting refrigerant. The smooth, inner side of the aluminum plate forms part of the interior wall surface of the cold storage room. In this construction, the aluminum tubes are adhered to the aluminum plate. No connection is indicated between the aluminum plate and adjacent side walls.
20 Det er formålet med opfindelsen at udforme et køle- eller fryseapparat af den i indledningen til krav 1 angivne art således, at man med en pladsbesparende konstruktion opnår en varig, høj varmeafgivelse fra fordamperen.SUMMARY OF THE INVENTION It is an object of the invention to provide a refrigeration or freezing apparatus of the kind set forth in the preamble of claim 1 so that, with a space-saving construction, a durable, high heat output from the evaporator is obtained.
25 Formålet opnås ifølge opfindelsen, når apparatet udformes med de ejendommeligheder, der er angivet i patentkravets kendetegnende del.The object is achieved according to the invention when the apparatus is designed with the characteristics specified in the characterizing part of the patent claim.
Med en opbygning af et køle- eller fryseapparat ifølge op-30 findelsen opnår man ved anvendelse af en kondensator af en aluminiumplade med påsiddende aluminiumrør en optimal varmeafgivelse fra aluminiumrørerne, der indeholder kølemidlet, og samtidigt en hurtig fordeling af varmen over hele aluminiumpladens flade. Der er derfor en meget stor, 35 effektiv varmevekslerflade til rådighed.With the construction of a refrigerator or freezer according to the invention, by using a capacitor of an aluminum plate with fitted aluminum tubes, an optimal heat release from the aluminum tubes containing the refrigerant is obtained, and at the same time a rapid distribution of heat over the entire surface of the aluminum plate. Therefore, a very large, 35 efficient heat exchanger surface is available.
Med anlægget af aluminiumpladens randområder mod de tilgrænsende sidevægges ombukkede sidekanter forøges varmeaf-With the abutment of the aluminum plate's edge areas against the curved side edges of the adjacent sidewalls, heat dissipation is increased.
3 DK 153908 B3 DK 153908 B
giveisen yderligere med varig virkning. Varmeovergangen fra aluminiumpladen til hussidevæggene er dermed også sikret gennem lange driftstider. Fordi aluminiumrørerne er anbragt på den mod varmeisoleringen vendende side af alu-5 miniumpladen, er kondensatorens udvendige side glat, således at konvektionsluften uhindret kan strømme forbi og u-hindret bortføre den fra aluminiumpladen afgivne varme.giving the ice further with lasting effect. The heat transfer from the aluminum plate to the housing side walls is thus also ensured through long operating times. Because the aluminum tubes are arranged on the side of the aluminum insulation facing the heat insulation, the exterior side of the condenser is smooth, so that the convection air can flow freely and unobstructedly dissipate the heat emitted from the aluminum plate.
Støv og andre urenheder kan også vanskeligt sætte sig fast på den glatte overflade, således at varmeafgivelsen er 10 sikret optimalt gennem meget lange driftsperioder.Dust and other impurities can also be difficult to get stuck on the smooth surface, so that heat release is optimally ensured over very long operating periods.
En udførelsesform for opfindelsen beskrives detaljeret nedenfor under henvisning til tegningen.An embodiment of the invention is described in detail below with reference to the drawings.
15 Af et køle- eller fryseapparat er der i tegningen vist et tværsnit gennem en del af bagvæggen. Heri er rummet mellem den lodrette bagside 1 i en til opbevaring af de emner, der skal køles ned, udformet inderbeholder og en parallelt hermed og med nogen afstand placeret aluminiumplade 2 ble-20 vet udskummet med varmeisolerende skummateriale 3. Aluminiumpladen 2 udgør den ydre bagvæg i huset og er samtidig en del af kondensatoren. Tilsvarende er der på den mod i-soleringsskummet 3 vendende side et i flere bøjninger lagt rør varmeledende forbundet med aluminiumpladen 2, og gen-25 nem røret strømmer det fra kompressoren kommende, opvarmede kølemiddel. Røret 4 er ligeledes fremstillet af aluminium og er varmeledende godt forbundet med aluminiumpladen 2. Der opnås herved en optimal varmeovergang mellem aluminiumrøret 4 og aluminiumpladen 2, som fordeler den optagne 30 varme ensartet i sit plademateriale på grund af den høje varmeledningsevne, og derved danner den en stor, varmeaf-givende flade.15 A cross-section of a refrigerator or freezer shows a cross section through a portion of the rear wall. Herein, the space between the vertical rear side 1 of an inner container for storing the items to be cooled is formed and a parallel thereto and spaced aluminum plate 2 is foamed with heat insulating foam material 3. The aluminum plate 2 constitutes the outer back wall in the house and is at the same time part of the capacitor. Similarly, on the side facing the insulating foam 3, a plurality of tubes are thermally conductive connected to the aluminum plate 2, and through the pipe flows the heated refrigerant coming from the compressor. The tube 4 is also made of aluminum and is thermally conductive well connected to the aluminum plate 2. This results in an optimal heat transfer between the aluminum tube 4 and the aluminum plate 2, which distributes the absorbed heat uniformly in its sheet material due to the high thermal conductivity, thereby forming it. a large, heat-emitting surface.
Herudover er aluminiumpladen 2 yderligere varmeledende 35 forbundet med husets tilgrænsende sidevægges ombøjede sidekanter 5 således, at varme også kan afledes fra aluminiumpladen 2 til disse sidevægge. Til borttransport af den varme, som skal afgives, er det således kun nødvendigt medIn addition, the aluminum plate 2 is further heat conductive 35 connected to the curved side edges 5 of the housing adjoining side walls, so that heat can also be diverted from the aluminum plate 2 to these side walls. Thus, only the transport of the heat to be emitted is necessary
DK 153908 BDK 153908 B
4 en enkelt, relativt smal konvektionskanal 6 mellem aluminiumpladen 2 og den nabostillede væg 7. Med en given tykkelse på varmeisoleringslaget 3 kan inderbehoIderens bagvæg tilsvarende placeres i større afstand fra apparatdø-5 ren, end det er muligt ved todelt udformning af konvektionskanalen .4 shows a single, relatively narrow convection duct 6 between the aluminum plate 2 and the adjacent wall 7. With a given thickness of the heat insulation layer 3, the inner wall of the inner container can be similarly placed at a greater distance from the appliance door 5 than is possible by two-part design of the convection duct.
Ved placering af aluminiumrørene 4 på den mod isoleringsskummet 3 vendende side af aluminiumpladen 2 forbliver den 10 udadvendende side af aluminiumpladen formmæssigt uden forhøjninger, således at der ikke kan aflejre sig støv eller andet særligt snavs derpå, hvilket kan forhindre varmeafgivelsen. Bliver derimod aluminiumrøret 4 anbragt på ydersiden, så forøges den varmeafgivende flade tilsvarende, og 15 man får i det mindste partielt en forsnævring af skakttværsnittet, hvilket fører til uensartethed i luftstrømmen. Man kan regne med forstyrrelse i fladens varmeafgivelse og med uønsket støvaflejring på rørene. Aluminiumrøret bliver på foretrukken måde klæbet på aluminiumpladen 20 2, således at en varig, ensartet varmeovergang er sikret.When positioning the aluminum tubes 4 on the side of the aluminum plate 2 facing the insulating foam 3, the outwardly facing side of the aluminum plate remains formally without elevations, so that no dust or other special dirt can be deposited thereon, which can prevent heat release. On the other hand, if the aluminum tube 4 is placed on the outside, the heat-emitting surface is increased correspondingly and at least partially a narrowing of the shaft cross-section is obtained, which leads to disparity in the air flow. Disturbance in the surface's heat release and undesirable dust deposition on the pipes can be expected. The aluminum tube is preferably adhered to the aluminum plate 20 2 so that a durable, uniform heat transfer is ensured.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833308096 DE3308096A1 (en) | 1983-03-08 | 1983-03-08 | REFRIGERATOR OR FREEZER |
DE3308096 | 1983-03-08 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK56684D0 DK56684D0 (en) | 1984-02-09 |
DK56684A DK56684A (en) | 1984-09-09 |
DK153908B true DK153908B (en) | 1988-09-19 |
Family
ID=6192791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK56684A DK153908B (en) | 1983-03-08 | 1984-02-09 | REFRIGERATOR OR FREEZER |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0121591B1 (en) |
DE (1) | DE3308096A1 (en) |
DK (1) | DK153908B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2132836T3 (en) * | 1996-03-20 | 1999-08-16 | Sucesores De Luigi Fieramonte | PROCEDURE FOR APPLYING AN ALUMINUM SHEET ON THE EXTERIOR SURFACE OF A REFRIGERATOR CONTAINER, AND COMPOSITE TAPE. |
ITVA20010040A1 (en) * | 2001-11-09 | 2003-05-09 | Whirlpool Co | DOMESTIC REFRIGERATOR WITH IMPROVED THERMAL INSULATION |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2464606A (en) * | 1944-08-24 | 1949-03-15 | Nash Kelvinator Corp | Refrigerating apparatus |
US2483439A (en) * | 1947-05-28 | 1949-10-04 | Gen Motors Corp | Refrigerating apparatus |
US2543196A (en) * | 1947-06-16 | 1951-02-27 | Nash Kelvinator Corp | Refrigerating apparatus having means to prevent wetting of insulation |
US2509615A (en) * | 1947-10-29 | 1950-05-30 | Nash Kelvinator Corp | Refrigerating apparatus having a removable panel unit |
US2795035A (en) * | 1955-08-03 | 1957-06-11 | Revco Inc | Method of making a refrigerated cabinet liner |
US2961851A (en) * | 1958-03-12 | 1960-11-29 | Westinghouse Electric Corp | Refrigeration apparatus |
US2959939A (en) * | 1958-05-01 | 1960-11-15 | Carrier Corp | Refrigerated storage unit |
DE1845436U (en) * | 1961-08-03 | 1962-01-25 | Bbc Brown Boveri & Cie | REFRIGERATED FURNITURE WITH EVAPORATOR OR COOLING MOUNTED IN THE THERMAL INSULATION. CONDENSER PIPES. |
DE1844625U (en) * | 1961-11-04 | 1962-01-11 | Atlas As | FREEZER. |
US3122006A (en) * | 1962-05-24 | 1964-02-25 | Gen Motors Corp | Refrigerating apparatus including cabinet structure |
DE1864337U (en) * | 1962-11-08 | 1962-12-27 | Ver Deutsche Metallwerke Ag | REFRIGERATED FURNITURE, SUCH AS REFRIGERATORS OR FREEZERS. |
US3194622A (en) * | 1963-02-08 | 1965-07-13 | Studebaker Corp | Freezer cabinet construction |
US3373478A (en) * | 1965-11-17 | 1968-03-19 | Westinghouse Electric Corp | Method of making refrigeration apparatus |
DD98997A1 (en) * | 1972-02-29 | 1973-07-12 | ||
UST945009I4 (en) * | 1975-02-24 | 1976-04-06 | ||
DE2537835A1 (en) * | 1975-08-26 | 1977-03-10 | Environmental Container Corp | Refrigerator system - comprises evaporator exterior metal skin wall and condenser |
DE7708579U1 (en) * | 1977-03-19 | 1977-07-07 | Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart | REFRIGERATED FURNITURE, IN PARTICULAR REFRIGERATOR OR FREEZER |
-
1983
- 1983-03-08 DE DE19833308096 patent/DE3308096A1/en not_active Ceased
- 1983-09-22 EP EP19830109421 patent/EP0121591B1/en not_active Expired
-
1984
- 1984-02-09 DK DK56684A patent/DK153908B/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DK56684A (en) | 1984-09-09 |
DK56684D0 (en) | 1984-02-09 |
EP0121591B1 (en) | 1986-11-12 |
DE3308096A1 (en) | 1984-09-20 |
EP0121591A1 (en) | 1984-10-17 |
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Legal Events
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PRF | Application refused |