DK165650B

DK165650B - Cooler

Info

Publication number: DK165650B
Application number: DK162189A
Authority: DK
Inventors: Folmer Osvald Hannibalsen
Original assignee: Electrolux Ab
Priority date: 1988-04-15
Filing date: 1989-04-04
Publication date: 1992-12-28
Also published as: SE463381B; SE8801401L; DK165650C; SE8801401D0; DK162189A; DK162189D0

Description

Den foreliggende opfindelse angår en køleboks til opbevaring af gods ved køletemperatur og omfattende et køleapparat med en fordåmper, et første kammer til opbevaring af godset, et andet kammer indeholdende et antal kuldeakkumulatorer og luft, en 5 lodret væg, der adskiller det andet kammer fra det første kammer og et vandret låg, der dækker kamrene.The present invention relates to a refrigerator box for storing goods at a cooling temperature and comprising a refrigerator with a vaporizer, a first chamber for storing the goods, a second chamber containing a plurality of cold accumulators and air, a vertical wall separating the second chamber from the first chamber and a horizontal lid covering the chambers.

En sådan køleboks er kendt fra f.eks. svensk patentskrift nr. 7909285-4 med publiceringsnummer 432.825. Ved den kendte køle-10 boks udgøres kuldeakkumulatorerne af et stort antal specielt fremstillede rør, der omgiver kammeret, i hvilket godset opbevares. Akkumulatorens opgave er at sikre, at køletemperaturen for godset, der f.eks. kan bestå af flasker med vaccine, bevares en vis tid efter driftsafbrydeIse for køleapparatets 15 vedkommende. En sådan driftsafbrydelse opstår ved et elektrisk drevet køleapparat, når der sker en afbrydelse i elektricitetsforsyningen.Such a cooling box is known from e.g. Swedish patent specification 7909285-4 with publication number 432.825. At the known cooling-10 box, the cold accumulators are constituted by a large number of specially made pipes surrounding the chamber in which the goods are stored. The task of the accumulator is to ensure that the cooling temperature of the goods, e.g. can consist of bottles with vaccine, is retained for a certain time after the shutdown of the refrigerator 15. Such an interruption occurs in an electrically powered refrigerator when there is an interruption in the electricity supply.

Det er den foreliggende opfindelses formål at forenkle og der-20 billiggøre den kendte køleboks, uden at boksens evne til at holde køletemperaturen under en driftsafbrydelse forværres.SUMMARY OF THE INVENTION It is an object of the present invention to simplify and lessen the known cooling box without deteriorating the ability of the box to maintain the cooling temperature during an interruption.

Dette formål opnås med køleboksen ifølge opfindelsen ved, at fordamperen er anbragt i det andet kammer for at køle akkumu-25 latorerne og luften til frysetemperatur, at en åbning er anbragt forneden i væggen, at der er anbragt en termostat, som afføler temperaturen i det første kammer og ved kølebehov fra det første kammer slipper kold luft ind fra det andet kammer til det første kammer gennem åbningen ved hjælp af et ventil-30 legeme, og at der er anbragt en øvre åbning, der tilbagefører luft, der opvarmes af godset i det første kammer, til det andet kammer. Herved behøver kuldeakkumulatorerne ikke at blive specialfremstillet for at omgive kammeret, men kan med fordel udgøres af i handelen forekommende såkaldte køleblokke.This object is achieved with the cooling box according to the invention in that the evaporator is arranged in the second chamber to cool the accumulators and the air to freezing temperature, that an opening is located at the bottom of the wall, that a thermostat is installed which senses the temperature in the first chamber and, in the cooling chamber, from the first chamber, cold air enters from the second chamber to the first chamber through the opening by means of a valve body, and an upper opening is provided which returns air heated by the goods in the the first chamber, to the second chamber. Hereby, the cold accumulators do not need to be specially made to surround the chamber, but can advantageously be made up of commercially available cooling blocks.

Et udførelseseksempel på en køleboks ifølge opfindelsen beskrives nedenfor på grundlag af tegningen, hvorpå 35 2An embodiment of a cooling box according to the invention is described below on the basis of the drawing, on which 35 2

DK 165650 BDK 165650 B

fig. 1 viser et længdesnit gennem boksen, og fig.‘2 viser et snit langs markeringen II-II i fig. 1.FIG. 1 shows a longitudinal section through the box and FIG. 2 shows a section along the marking II-II in FIG. First

5 Med henvisningstallet 10 betegnes en varmeisoleret boks indeholdende to kamre 12 henholdsvis 14, der er adskilt af en varmeisoleret lodret væg 16. Adgang til kamrene 12 og 14 sker ved åbning af et varmeisoleret låg 18.Reference numeral 10 denotes a heat-insulated box containing two chambers 12 and 14, respectively, separated by a heat-insulated vertical wall 16. Access to chambers 12 and 14 is effected by opening a heat-insulated lid 18.

10 Kammeret indeholder en fordamper 20, der tilføres kuldemedium fra en elektrisk dreven kompressor 22 og som tilstræber at holde kammeret ved frysetemperatur, eksempelvis omkring -22°C. Kammeret 14 indeholder desuden legemer 24 med stor varmekapacitet, såkaldte kuldeakkumulatorer, som køles af fordamperen 15 20.The chamber contains an evaporator 20 which is supplied with refrigerant from an electrically driven compressor 22 and which seeks to keep the chamber at freezing temperature, for example about -22 ° C. The chamber 14 also contains bodies 24 of high heat capacity, so-called cold accumulators, which are cooled by the evaporator 15 20.

Kammeret 12 indeholder en beholder 26, der er beregnet til opbevaring af gods, f.eks. flasker med vaccine, der skal holdes ved køletemperatur, f.eks. omkring +4°C. Til dette formål kø-20 les beholderen 26 med godset af kold luft fra kammeret 14. Den kolde luft tages ind i kammeret 12 gennem en nedre åbning 28 i væggen 16 og cirkuleres rundt i beholderen 26 af en elektrisk dreven blæser 30. En termostat 32 afføler temperaturen i kammeret 12 og regulerer ved et ventillegeme 34,der samvirker med 25 åbningen 28, koldlufttilførslen til kammeret 12 således, at godsets temperatur holdes ved den nævnte køletemperatur. Når kold luft tages ind i kammeret 12 gennem åbningen 28 strømmer en modsvarende mængde opvarmet luft over fra kammeret 12 til kammeret 14 gennem en øvre åbning 36.The chamber 12 contains a container 26 intended for storage of goods, e.g. bottles of vaccine to be kept at cooling temperature, e.g. about + 4 ° C. For this purpose, the container 26 is cooled with the cargo of cold air from the chamber 14. The cold air is taken into the chamber 12 through a lower opening 28 in the wall 16 and circulated around the container 26 by an electrically driven fan 30. A thermostat 32 The temperature of the chamber 12 senses and regulates, at a valve body 34 which cooperates with the opening 28, the cold air supply to the chamber 12 so that the temperature of the goods is maintained at said cooling temperature. When cold air is taken into the chamber 12 through the opening 28, a corresponding amount of heated air flows over from the chamber 12 to the chamber 14 through an upper opening 36.

3030

Et legeme 38 med stor varmekapacitet, en såkaldt kuldeakkumulator, er anbragt under låget oven for beholderen 26. Kroppen 38 er forsynet med gennemgående kanaler 40, hvorigennem luften i kammeret 12 cirkulerer og nedkøler legemet 38.A body 38 having a large heat capacity, a so-called cold accumulator, is placed under the lid above the container 26. The body 38 is provided with through ducts 40, through which the air in the chamber 12 circulates and cools the body 38.

Når elektricitet er tilgængelig, drives kompressoren 22 og blæseren 30 af denne. Herved holder fordamperen 20 kuldeakku- 35When electricity is available, compressor 22 and fan 30 are driven by it. The evaporator thus holds 20 cold batteries

Claims

26. However, fan 30 can be dispensed with no significant defects. Claims. 30 1 · Cooling box (10) for storing goods at cooling temperature and comprising a refrigerator with an evaporator (20), a first chamber (12) for storing the goods, a second chamber (14) containing a plurality of cold accumulators (24) and air , a vertical wall (16) separating the second chamber (14) from the first 3 chamber (12) and a horizontal lid (18) covering the chambers, characterized in that the evaporator (20) is disposed in the second chamber for cooling the accumulators (24) and the air to freezing temperature, an opening (28) is provided at the bottom of the wall (16), a thermostat (32) is provided which senses the temperature in the first chamber ( 12) and upon cooling demand from the first chamber (12), cold air flows from the second chamber (14) to the first chamber (12) through the opening (28) by means of a valve body (34) and there is an upper opening (36) which returns air heated by the goods in a first chamber (12) to the second chamber (14). 10

Cooling box according to claim 1, characterized by a fan (30) arranged in the first chamber (12), said fan (30) being arranged to circulate the air around the goods.

Cooling box according to claim 1 or 2, characterized in, a cold accumulator (38) arranged above the goods, arranged to be cooled by the air in the first chamber (12). 20 25 30 35