EP0099108A1 - Kühlschrank - Google Patents

Kühlschrank Download PDF

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Publication number
EP0099108A1
EP0099108A1 EP83106826A EP83106826A EP0099108A1 EP 0099108 A1 EP0099108 A1 EP 0099108A1 EP 83106826 A EP83106826 A EP 83106826A EP 83106826 A EP83106826 A EP 83106826A EP 0099108 A1 EP0099108 A1 EP 0099108A1
Authority
EP
European Patent Office
Prior art keywords
cooling unit
storage box
cold storage
refrigerator
cold air
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.)
Withdrawn
Application number
EP83106826A
Other languages
English (en)
French (fr)
Inventor
Masayuki Kikuchi
Kouji Murayama
Hikohisa Arai
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP0099108A1 publication Critical patent/EP0099108A1/de
Withdrawn legal-status Critical Current

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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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • 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
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • F25D19/02—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors plug-in type
    • 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
    • F25D15/00—Devices not covered by group F25D11/00 or F25D13/00, e.g. non-self-contained movable devices
    • 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
    • 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
    • F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80—Type of cooled receptacles
    • F25D2331/804—Boxes

Definitions

  • the present invention relates to a refrigerator for being mounted on automotive vehicles and, more particularly, to a refrigerator with a cold box for storage of substances to be cooled and a cooling unit having a cooling system, in which the cold box and the cooling unit may readily be separated from each other.
  • FIG. 1 shows an entire structure thereof.
  • a cooling unit 51 comprises a condenser 55, a compressor (not shown) and a cooler 54.
  • a cold storage box 52 comprises a box body 56 and an opening/closing cover 57.
  • the cooling unit 51 and the cold storage box 52 are coupled to each other by clamp means 53. By releasing the clamp means, the two units 51 and 52 are separated from each other.
  • the cooling unit 51 separated from the cold storage box 52 is, as shown in Fig. 2, composed of a unit body having the compressor, a radiator and the like and a direct cooling type cooler 54 which is independently formed and is to be located in the cold storage box 52 upon the coupling.
  • the cooler 54 is large in size in the form of an L-shape in cross section, which is substantially the same as the cold storage box 52 in width and height.
  • the cooling unit 51 is coupled and fixed to the cold storage box 52 so that the cooler 54 is located in a predetermined position in the cold storage box 52, and the cooling unit 51 is operated by a D.C. power (for example, 12V) of the automotive vehicle.
  • a D.C. power for example, 12V
  • the cooling unit 51 which is very heavy as a whole must be lifted after opening the cover 57 of the cold storage box 52 and be inserted into the cold storage box 52 from the upper side. Also in separating the cooling unit from the cold storage box, the opposite operations are required.
  • the cooler 54 of the cooling unit 51 separated from the cold storage box is exposed to the outside, there is a fear that drops of dew would be leaked or the connecting portion of the cooler 54 would be accidentally damaged. Since the refrigerator is operated only by the D.C. power, in the case that the substances to be cooled are cooled in advance at home, it is disadvantageous that another D.C. power source unit must be used.
  • a primary object of the invention is to provide a refrigerator in which a cold storage box may be simply separated from a cooling unit in the lateral direction thereof, the cooling speed is increased and a difference in temperature according to a position of the substance to be cooled is made small without fears that drops of dew would be occur out of a cooler of the cooling unit and that the coupling portion would be damaged after the cooling unit is separated from the cold storage box, and in which either D.C. source or A.C. source may readily be used.
  • a refrigerator comprising a cold storage box 2 in which a substance to be cooled is encased, a cooling unit 1 having a refrigerating cycle, and a clamp means 3 for detachably coupling the cold storage box and the cooling unit to each other
  • the refrigerator being characterized by the cooling unit 1 incorporating a cooler 24, a radiator 30 and a compressor 22, the cooling unit 1 further comprising an insulating case 23 encasing therein the cooler 24 and a fan 25a, communication holes 33 and 34 being provided in a side surface of the cold storage box 2 so as to communicate with a cold air outlet 26 of the insulating case 23 and a cold air inlet 27 thereof, and a cooling system 6 connected to a battery through an inverter 8 for changing D.C. voltage to A.C. voltage and connector terminals 38.
  • a cooling unit 1 comprises means for constituting a refrigerating cycle, air feeding means, controlling means and the like.
  • a cold storage box 2 in which a substance to be cooled is encased is composed of a box body 2a and an opening/closing cover 2b.
  • the cooling unit 1 and the cold storage box 2 are coupled to each other by clamp means 3, and by releasing the clamp means 3, they are separated as shown in Fig. 5.
  • the cooling unit 1 is constructed as follows.
  • An A.C. compressor 22 is mounted on a base 21.
  • a cooler 24 and a fan 25a are surrounded by an insulating case 23 made of insulating material such as foamed stylene resin and urethane resin.
  • the insulating case 23 is mounted on the base 21 with an A.C. motor 25b for feeding air outside the insulating case.
  • An air feeding means 25 is composed of the fan 25a and the motor 25b.
  • An inverter 8 for boosting a D.C. low voltage (for example 12V) to a commertially available power A.C. voltage (for example, 100V) is separated into a signal portion 8a for converting a direct current to an alternating current and an output portion 8b for boosting the voltage and is mounted on an inverted L-shaped mounting plate 8c.
  • the output portion 8b is located on a corner stepped portion 23a of the insulating case 23.
  • a radiator 30 is arranged on the base 21 substantially in the form of a U-shape as viewed from the upper side so as to surround the compressor 22, the insulating case 23 and the invertor 8.
  • a back plate 29 is formed in a U-shape and arranged so as to be connected to free edge portions of the radiator 30.
  • the insulating case 23 there are formed a cold air outlet 26 and a cold air inlet 27 for forcibly feeding cold air, heat-exchanged in the cooler 24, into the cold storage box 2 by means of the air feeding means 25.
  • the outlet 26 and the inlet 27 are extending from the back plate 29.
  • Annular insulators 29a are attached to the outer periphery of the back plate 29 around the outlet 26 and the inlet 27.
  • an upper plate 32 On an upper portion of the cooling unit 1, there is provided an upper plate 32 having a grip 31 in the middle portion on the upper surface and couplings 32a and 32b on a front flanged portion and a rear flanged portion.
  • the cold storage box 2 In the cold storage box 2, there are formed communication holes 33 and 34 located in confronting relation with the cold air outlet and inlet 26 and 27 of the cooling unit 1 and communicating therewith upon the coupling.
  • Insulating caps 35 and 36 are mounted on the communication passages 33 and 34 for preventing leakage of cooling air from the cold storage box 2 in the case that the cold storage box 2 cooled by the cooling unit 1 is used independently of the cooling unit 1.
  • one insulating cap 35 is mountd on the hole 33. Upon cooling in a normal operation, the insulating caps 35 and 36 are to be received in receiving portions 35a and 36a.
  • Reference numeral 37 denotes a shoulder belt.
  • Fig. 8 shows a power supply circuit for the automotive refrigerator.
  • the inverter circuit 5 functions to convert into an A.C. commertial voltage (e.g., 100V) a supply voltage inputted to terminals a and b from a D.C. power (e.g., 24V) of a truck, a bus, a cruiser and the like or a D.C. power (e.g., 12V) of a passenger car while boosting the latter voltage.
  • the invertor circuit is adapted to be connected to the refrigerating system 6 through conector terminals 38.
  • power terminals c and d of commertially available A.C. voltage (e.g., 100V) are connected to the refrigerating system 6 through the conector terminals 38.
  • the cold air is fed through the cold air outlet 26 into the cold storage box 2 by the fan 25a of the air feeding means 25 to thereby cool the substance.
  • the cold air used for cooling the substance is returned from the cold air inlet 27 back to the cooler 24 and is cooled again.
  • the cooling unit 1 serves to forcibly recirculate the cold air obtained through the refrigerating cycle, the cooling speed of the substance in the cold storage box 2 is high in comparison with a conventional convection type refrigerator and a temperature difference according to the position of the substance may be made small.
  • the invasion of heat from the outside is small to enhance the efficiency.
  • the coupling between the cooling unit 1 and the cold storage box 2 since the cylindrical portions of the cold air outlet 26 and inlet 27 of the cooling unit 1 are engaged with the communication holes 33 and 34 of the cold storage box 2 in the lateral direction and then, the coupling therebetween is locked by the clamp means 3, the manual operation therefor may be extremely simplified. In this case, the coupling portions between the cooling unit 1 and the cold storage box 2 are sealed by the insulators 29a, the leakage of cold air therefrom is very small.
  • the clamp means 3 when after cooling the substance, the clamp means 3 is released and the cooling unit 1 is separated from the cooling unit 2, the cooler 24 is not exposed outside. The leakage of dew may be prevented and the damage of the cooler 24 may be also prevented.
  • the cold storage box 2 separated from the cooling unit 1 is carried, by mounting the insulating caps 35 and 36 on the communication holes 33 and 34 of the cold storage box 2, the leakage of cold air may be prevented. Also in this case, the ability to keep cold the cold storage box 2 is improved.
  • the electric energy is supplied from the terminals a and b for the D.C. power of the automotive vehicle or the like and it is converted into the commertially available A.C.
  • the refrigerator is very convenient for both D.C. and A.C. operations.
  • the A.C. commertial voltage may be supplied to the refrigerating system 6. Therefore, it is unnecessary to employ and manufacture specifically designed compressor and air feeding motor for the refrigerating system instruments for general use may be used in the refrigerating system.
  • the cold storage box since without lifting the cooling unit, the cold storage box may be separated simply in the lateral direction apart from the cooling unit, it is very easy to handle the refrigerator. Also, since the cold air is forcibly recirculated in the cold storage box, the cooling speed is extremely increased so that the temperature difference according to the positions of the substance to be cooled may be reduced. Furthermore, since the cooler is not exposed outside, there is no fear that the dew would be leaked to the outside and the coupling portions would be damaged. Furthermore, since the refrigerator may readily be operated by either D.C. source or A.C. source, generally designed A.C. power instruments may be used in the cooling system.

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  • 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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP83106826A 1982-07-14 1983-07-12 Kühlschrank Withdrawn EP0099108A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57121137A JPS5912277A (ja) 1982-07-14 1982-07-14 車載用冷蔵庫
JP121137/82 1982-07-14

Publications (1)

Publication Number Publication Date
EP0099108A1 true EP0099108A1 (de) 1984-01-25

Family

ID=14803781

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83106826A Withdrawn EP0099108A1 (de) 1982-07-14 1983-07-12 Kühlschrank

Country Status (3)

Country Link
EP (1) EP0099108A1 (de)
JP (1) JPS5912277A (de)
KR (1) KR840005543A (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580061A1 (en) * 1985-04-09 1986-10-10 Armel Louis Improvements to refrigerators and freezers
US4637222A (en) * 1984-06-08 1987-01-20 Nippondenso Co., Ltd. Refrigerator for vehicle
DE3740767A1 (de) * 1987-12-02 1989-06-15 Ernst Gaus Hermetisch gekapselter kaeltekompressor
AU613883B2 (en) * 1986-11-21 1991-08-15 New Zealand Express Transport Christchurch Limited A method and means for controlling temperature of transportation containers
EP0954091A1 (de) * 1998-04-28 1999-11-03 Giovanni Brugnettini Kompakter mechanischer-elektrischer Wandler
GB2401168A (en) * 2003-04-30 2004-11-03 Dometic Sarl Refrigeration system
WO2004104499A1 (en) * 2003-05-21 2004-12-02 Refrigeration Research Pty Ltd Transportable refrigeration apparatus
EP1780485A1 (de) * 2005-10-18 2007-05-02 Enjoy Sales AB Kühlschrank
EP1939555A1 (de) * 2006-12-28 2008-07-02 CANDY S.p.A. Modulkühlschrank
WO2017182988A1 (en) * 2016-04-22 2017-10-26 Dometic Sweden Ab Integrated refrigeration apparatus and refrigerator
JP2021175933A (ja) * 2020-05-01 2021-11-04 株式会社デンソー 温度調整システム

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489009A (en) * 1948-06-11 1949-11-22 Sebastien S Corhanidis Refrigerating apparatus including a cabinet having means for suspending it from the wall of a space to be cooled
FR1134818A (fr) * 1955-07-11 1957-04-18 Froimobile Appareil pour la congélation et la conservation de produits alimentaires et autres
GB812286A (en) * 1954-12-27 1959-04-22 Sebastien Sebastien Corhanidis Refrigerating means
GB814252A (en) * 1954-12-16 1959-06-03 Sebastian Sebastien Corhanidis Refrigerating means
FR1299903A (fr) * 1961-09-08 1962-07-27 Indes Ind Elettrodomestici S P Réfrigérateur portatif à compresseur
CH491345A (de) * 1969-05-22 1970-05-31 Schwegler Josef Kühlaggregat für Thekenkühlung
DE1908713A1 (de) * 1969-02-21 1970-09-10 Aeg Klein-Kuehlgeraet
US3712078A (en) * 1971-11-22 1973-01-23 Krispin Eng Ltd Refrigeration unit
DE2327354A1 (de) * 1973-05-29 1975-01-02 Wilhelm Dr Ing Schirp Kleinkuehlgeraet mit hermetic-kaeltekreislauf fuer batterie- und netzbetrieb
GB1398943A (en) * 1973-09-04 1975-06-25 Email Ltd Refrigeration or air conditioning device for transportable container units
DE2438645A1 (de) * 1974-08-12 1976-03-04 Wilhelm Dr Ing Schirp Kleinkuehlgeraet mit hermetik-kaeltekreislauf fuer batterie- und netzbetrieb
FR2336647A1 (fr) * 1975-12-27 1977-07-22 Grosskopf Peter Volker Machine frigorifique de structure monobloc aplatie

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741562A (en) * 1980-08-25 1982-03-08 Hitachi Ltd Cold storage car

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489009A (en) * 1948-06-11 1949-11-22 Sebastien S Corhanidis Refrigerating apparatus including a cabinet having means for suspending it from the wall of a space to be cooled
GB814252A (en) * 1954-12-16 1959-06-03 Sebastian Sebastien Corhanidis Refrigerating means
GB812286A (en) * 1954-12-27 1959-04-22 Sebastien Sebastien Corhanidis Refrigerating means
FR1134818A (fr) * 1955-07-11 1957-04-18 Froimobile Appareil pour la congélation et la conservation de produits alimentaires et autres
FR1299903A (fr) * 1961-09-08 1962-07-27 Indes Ind Elettrodomestici S P Réfrigérateur portatif à compresseur
DE1908713A1 (de) * 1969-02-21 1970-09-10 Aeg Klein-Kuehlgeraet
CH491345A (de) * 1969-05-22 1970-05-31 Schwegler Josef Kühlaggregat für Thekenkühlung
US3712078A (en) * 1971-11-22 1973-01-23 Krispin Eng Ltd Refrigeration unit
DE2327354A1 (de) * 1973-05-29 1975-01-02 Wilhelm Dr Ing Schirp Kleinkuehlgeraet mit hermetic-kaeltekreislauf fuer batterie- und netzbetrieb
GB1398943A (en) * 1973-09-04 1975-06-25 Email Ltd Refrigeration or air conditioning device for transportable container units
DE2438645A1 (de) * 1974-08-12 1976-03-04 Wilhelm Dr Ing Schirp Kleinkuehlgeraet mit hermetik-kaeltekreislauf fuer batterie- und netzbetrieb
FR2336647A1 (fr) * 1975-12-27 1977-07-22 Grosskopf Peter Volker Machine frigorifique de structure monobloc aplatie

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4637222A (en) * 1984-06-08 1987-01-20 Nippondenso Co., Ltd. Refrigerator for vehicle
FR2580061A1 (en) * 1985-04-09 1986-10-10 Armel Louis Improvements to refrigerators and freezers
AU613883B2 (en) * 1986-11-21 1991-08-15 New Zealand Express Transport Christchurch Limited A method and means for controlling temperature of transportation containers
DE3740767A1 (de) * 1987-12-02 1989-06-15 Ernst Gaus Hermetisch gekapselter kaeltekompressor
EP0954091A1 (de) * 1998-04-28 1999-11-03 Giovanni Brugnettini Kompakter mechanischer-elektrischer Wandler
GB2401168A (en) * 2003-04-30 2004-11-03 Dometic Sarl Refrigeration system
WO2004104499A1 (en) * 2003-05-21 2004-12-02 Refrigeration Research Pty Ltd Transportable refrigeration apparatus
EP1780485A1 (de) * 2005-10-18 2007-05-02 Enjoy Sales AB Kühlschrank
EP1939555A1 (de) * 2006-12-28 2008-07-02 CANDY S.p.A. Modulkühlschrank
WO2017182988A1 (en) * 2016-04-22 2017-10-26 Dometic Sweden Ab Integrated refrigeration apparatus and refrigerator
JP2021175933A (ja) * 2020-05-01 2021-11-04 株式会社デンソー 温度調整システム

Also Published As

Publication number Publication date
KR840005543A (ko) 1984-11-14
JPS5912277A (ja) 1984-01-21

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Inventor name: ARAI, HIKOHISA

Inventor name: MURAYAMA, KOUJI

Inventor name: KIKUCHI, MASAYUKI