WO2014023587A1 - Appareil ménager frigorifique et procédé permettant de faire fonctionner un dispositif de chauffage d'un appareil ménager frigorifique - Google Patents

Appareil ménager frigorifique et procédé permettant de faire fonctionner un dispositif de chauffage d'un appareil ménager frigorifique Download PDF

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Publication number
WO2014023587A1
WO2014023587A1 PCT/EP2013/065799 EP2013065799W WO2014023587A1 WO 2014023587 A1 WO2014023587 A1 WO 2014023587A1 EP 2013065799 W EP2013065799 W EP 2013065799W WO 2014023587 A1 WO2014023587 A1 WO 2014023587A1
Authority
WO
WIPO (PCT)
Prior art keywords
humidity
refrigerating appliance
household
heating device
compressor
Prior art date
Application number
PCT/EP2013/065799
Other languages
German (de)
English (en)
Inventor
Athanasios Athanasiou
Markus Hopf
Original Assignee
BSH Bosch und Siemens Hausgeräte 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
Application filed by BSH Bosch und Siemens Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to EP13742218.4A priority Critical patent/EP2883011A1/fr
Priority to CN201380041825.1A priority patent/CN104541117A/zh
Publication of WO2014023587A1 publication Critical patent/WO2014023587A1/fr

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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04—Preventing the formation of frost or condensate
    • 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
    • F25D2400/02—Refrigerators including a heater

Definitions

  • the invention relates to a household refrigerating appliance comprising a thermally insulated housing with thermally insulated side walls and with a coolable interior, a cooling device provided for cooling the interior, and at least one heating device disposed on the outwardly facing surface of at least one of the side walls.
  • the invention also relates to a method for operating such a household refrigerator.
  • WO 2009/003636 A1 discloses a refrigerator and / or freezer having a device outer wall at or in the region of which a heating device is provided.
  • the refrigerator and / or freezer includes a controller, a temperature sensor and a humidity sensor.
  • the object of the present invention is to specify an improved method for operating a heating device of a household refrigerating appliance, which has a housing with a coolable interior and at least one side wall, and a heating device thermally coupled to the outwardly directed surface of the side wall.
  • Another object of the invention is to provide a correspondingly improved household refrigeration appliance.
  • the object of the invention is achieved by a method for operating a heating device of a household refrigerating appliance, which has a housing with a coolable interior space and at least one side wall, and a heating device thermally coupled to the outwardly directed surface of the side wall, comprising the following method steps:
  • an indication of a humidity range which is associated with the humidity of the environment of the household refrigerator at its site, and - Operating the heater, in particular controlled by a control device of the household refrigerator, depending on the set information on the humidity range.
  • a further aspect of the invention relates to a household refrigerating appliance, comprising a thermally insulated housing with thermally insulated side walls and with a coolable interior, a cooling device provided for cooling the coolable interior, at least one heating device thermally coupled to the outward surface of at least one of the side walls, an input device, which is set up to enter an indication of a humidity range associated with the humidity of the environment of the domestic refrigerating appliance at its place of installation, and a control device arranged to perform the inventive method on the basis of the entered indication of the humidity range.
  • the household refrigerator according to the invention is preferably a built-in appliance. It can e.g. a household refrigerator, a household freezer or a freezer-refrigerator combination.
  • the domestic refrigerator accordingly comprises the heating device, which is thermally coupled to the outwardly directed surface of the side wall.
  • the heater is thus configured to optionally heat the outwardly facing surface of the sidewall to at least reduce the risk of condensate formation on that surface or even to prevent condensation from forming.
  • it is provided to manually set the indication of the humidity range, which of the humidity at the site of the household refrigerator, so at the place where the household refrigerator is operated to adjust the heater, in particular controlled by the control device, depending on the set information to operate over the humidity range. This makes it possible to adapt the operation of the heater even without a separate humidity sensor to the ambient humidity, whereby the heater can be operated potentially energy-saving.
  • the indication of the humidity range may preferably be set by selecting the indication of the humidity range from a plurality of humidity ranges, in particular by means of the input device.
  • the household refrigerating appliance may be designed such that it is set up to indicate to the person in whose household the household refrigerating appliance according to the invention is an indication of the plurality of moisture areas.
  • the input device can then be designed in such a way that it can be used to select the indication of the moisture range from the plurality of moisture regions.
  • the moisture is divided into the moisture zones.
  • five humidity ranges may be provided to which, for example, the digits 1, 2, 3, 4, 5 are assigned.
  • the humidity ranges may also be designated by the terms “small,””medium,” and “large,” to help the person select the appropriate humidity range, thus allowing the operator to manually enter the desired humidity range, for example, when adjusting the domestic refrigerator
  • the control device can then control or regulate the temperature of the heating device, for example by switching it on and off.
  • the relationship between the humidity of the environment of the household refrigerating appliance according to the invention and the heating power required to at least reduce the risk of condensate formation on the side wall or to prevent the formation of condensate can, for example. for certain household refrigerators have been previously determined empirically.
  • this relationship may be stored for different humidity ranges, in particular for the different humidity ranges of the plurality of humidity ranges, to drive the heater according to the set or selected humidity range.
  • the operation of the heating device can, in particular controlled by the control device of the household refrigerating appliance, be carried out by operating the heating device with a heating power as a function of the indication of the humidity range.
  • the heating power can be varied in particular by switching the heating device on and off as a function of the indication of the humidity range.
  • information about a relationship between the required heating powers and the humidity ranges of the plurality of humidity ranges may be stored in the control device.
  • the household refrigerating appliance according to the invention can thus be designed in such a way that the information about the moisture range from a plurality of moisture ranges can be selected by means of the input device.
  • information about a relationship between the required heating powers and the humidity ranges of the plurality of humidity ranges may be stored in the control device, such that the control device controls the heating power of the heating device in dependence on the indication of the humidity range and the information associated with this humidity range Turning on and off the heater is able to control.
  • This relationship may, for example, have been previously determined empirically for certain domestic refrigerators.
  • the heater may be disposed on the outwardly facing surface of the sidewall. It can also be arranged within the side wall, in particular foamed into it. This can be achieved that the heater is not or only slightly visible.
  • the heating device can be designed, for example, as an electrical heating device, in particular as an electric surface heating.
  • the electric surface heating allows a relatively uniform heating of the surface in question.
  • the household refrigerating appliance according to the invention has in particular as a refrigeration device to a refrigerant circuit having a compressor, a condenser downstream of the compressor, and a condenser downstream evaporator, wherein in particular the compressor and the condenser are connected to each other by means of a hot gas pipe.
  • the refrigerant circuit may preferably have a controllable by the control device refrigerant valve and an extension of the hot gas pipe, which is connected in parallel at least to a portion of the Schugasrohres and switched on and off by means of the refrigerant valve and forms the heating device.
  • a controllable by the control device refrigerant valve and an extension of the hot gas pipe which is connected in parallel at least to a portion of the Schugasrohres and switched on and off by means of the refrigerant valve and forms the heating device.
  • It can preferably be provided to only switch on or leave the heating device switched on when the compressor is switched on. It may also be provided to only switch on or leave the heating device switched on when the compressor is switched on and during a first period of time after switching off the compressor and / or shortened by a second period of time after switching on the compressor. Condensate formation is more likely to occur during a cooling phase, that is, a compressor-on phase.
  • the heater during the compressor running time, so while the compressor is switched on, possibly extended by the first time period and / or shortened by the second period, only 20%, 40%, 60%, 80% or 100% is turned on or is operated with a corresponding heating power. This can e.g. be achieved by a corresponding intermittent operation of the heater.
  • the heating device At a higher ambient temperature, the likelihood of forming condensate on the outwardly facing surface of the sidewall increases. For an improved operation of the heating device, this can be operated as a function of a determined temperature of the environment of the site of the household refrigerator.
  • this may include a suitable temperature sensor. This is arranged, for example, on the outwardly directed surface of the side wall. However, in order to determine the temperature of the environment even without a temperature sensor, it may preferably be provided to estimate it based on the relative running time of the compressor. If, for example, the relative compressor running time is greater, this indicates a warmer ambient temperature. For example, this may have been determined empirically ex works for a series of household refrigerators. To estimate the ambient temperature of the household refrigerator even better, the household refrigerator or its control device may be configured to determine the relative time in which a for closing the cooled interior space provided door leaf is open.
  • the temperature of the environment of the installation site of the household refrigerating appliance can be determined on the basis of the relative running time of the compressor, and / or due to the relative running time of the compressor and a relative opening duration of a door panel of the household refrigerating appliance provided for closing the coolable interior.
  • a relative humidity can be determined on the basis of the information about the humidity range and the determined temperature of the environment of the site of the household refrigerator.
  • the heater can then be turned on or remain on as long as the determined relative humidity is greater than 100%.
  • the relative humidity can be determined according to the Mollier diagram known to those skilled in the art.
  • Fig. 3 is a side wall of a housing of the household refrigerator and
  • Fig. 1 shows a household refrigerator 1 as an example of a household refrigerator, which comprises a heat-insulated housing 2 with a coolable interior 3.
  • the household refrigerator 1 is in particular a built-in appliance.
  • the domestic refrigerator 1 comprises at least one refrigerant circuit 20 shown in FIG. 2 for cooling the interior 3.
  • the refrigerant circuit 20 of the coolable interior 3 comprises a compressor 21, a condenser 22 downstream of the compressor 21, a condenser 22 downstream Throttle device 23, which is designed in particular as a throttle or capillary tube, and an evaporator 24, which is arranged between the throttle device 23 and the compressor 21.
  • the compressor 21 and the condenser 22 are connected to each other for example by means of a hot gas pipe 25.
  • the household refrigerating appliance 1 also has a control device 1 1 shown in FIG. 2, which is set up to control the refrigerant circuit 20 during operation of the household refrigerating appliance 1 in such a way that the freezer compartment 3 and the refrigerating chamber 4 have at least approximately predetermined or adjustable desired temperatures as is known in the art in principle.
  • the control device 1 1 switches the compressor 21 on and off in a generally known manner.
  • the coolable interior 3 is accessible.
  • a plurality of door racks 5 are arranged for storing refrigerated goods in the case of the present embodiment.
  • a plurality of shelves 6 are arranged for storing refrigerated goods in the coolable interior 3 and in particular a drawer 7 is arranged in the lower region of the coolable interior 3, can be stored in the refrigerated goods.
  • the heat-insulating housing 2 has two heat-insulated side walls 8, of which one of the heat-insulated side walls 8 is shown in FIG.
  • the household refrigerating appliance 1 comprises one for heating the outward-facing surface of the Side wall 8 equipped heating device 9.
  • the heater 9 is in particular with the outwardly facing surface of the side wall 8 in thermal contact.
  • the heater 9, for example, outside the Side wall 8 may be arranged. But it can also be arranged within the side wall 8, preferably foamed into it.
  • the heating device 9 is designed as an electric heating device, in particular as an electric surface heating 10.
  • the electric heater is arranged for example in a niche 12 of the side wall 8 and / or foamed into the side wall 8.
  • control device 11 is also designed to control the operation of the heating device 9.
  • the control device 1 1 controls the heating power of the heating device 9, in particular turns it on and off.
  • the household refrigerating appliance 1 has an input device 13, which is arranged, for example, on the front side of the household refrigerating appliance 1.
  • the input device 13 is e.g. designed as buttons.
  • the input device 13 is provided, for example, that a person in whose household the household refrigerator 1 is located, can enter an indication of the expected humidity of the environment of the household refrigerator 1 manually.
  • provision may be made for one of a plurality of moisture regions to be selected by means of the input device 13, wherein the selected moisture region is assigned to the moisture of the environment of the household cooling device 1.
  • the selected moisture region is assigned to the moisture of the environment of the household cooling device 1.
  • it may be provided that one of three or five different humidity ranges can be selected by means of the input device 13.
  • the humidity ranges may also be designated by the terms “small”, “medium”, and “large” to facilitate the selection of the appropriate humidity range for the individual
  • the control device 1 1 is configured to adjust the heating power of the heating device 9 as a function of controlled by the selected humidity range, for example, depending on the selected humidity range, the heater 9 turns on and left on for a longer or shorter period of time.
  • control device 1 1 of the household refrigerator 1 is preferably stored information about a relationship between the required heating powers and the humidity ranges of the plurality of humidity ranges, so that the control device 1 1, the heating power of the heater 9 in dependence on the indication of the humidity range and this moisture range associated Information in particular by turning on and off the heater 9 is able to control.
  • This relationship may, for example, have been previously determined empirically for certain household refrigerators or household refrigerators. This relationship can e.g. be stored as a characteristic in the control device 1 1.
  • the control device 1 1 is designed such that it essentially only turns on the heating device 9 when the compressor 21 is switched on. It can be provided that the heater 9 can only be turned on when the compressor 21 is turned on. However, it can also be provided that the heating device 9 can be switched on only during the switched-on compressor 21 and for a certain first period of time after the compressor 21 has been switched off. Additionally or alternatively, it can also be provided that the heating device 9 can be switched on only after a certain second period of time after switching on the compressor 21.
  • the heater 9 during the compressor running time ie during the switched-on compressor 21, optionally extended by the first time period and / or shortened by the second period, only 20%, 40%, 60%, 80% or 100% turned on is or operated with a corresponding heating power. This can e.g. be achieved by a corresponding intermittent operation of the heater 9.
  • the control device 1 1, the heating power of the heater 9 in dependence of Ambient temperature controls may comprise a temperature sensor 14 coupled to the control device 11.
  • the temperature sensor 14 is arranged, for example, on the outwardly directed surface of the side wall 8.
  • the household cooling device 1 or its control device 1 1 can also be designed such that it estimates the ambient temperature due to the relative compressor running time, that is, the relative time duration in which the compressor 21 is switched on. If, for example, the relative compressor running time is greater, this indicates a warmer ambient temperature. For a series of domestic refrigerators or household refrigerators, this may have been determined empirically ex factory.
  • the household refrigerator 1 or its control device 1 1 can be set up in such a way to determine the relative time duration in which the door leaf 4 is open. The more often or the longer the door leaf 4 is opened, the more the coolable interior 3 heats up, which is why the relative compressor running time of the compressor 21 increases. A relationship between the ambient temperature of the household refrigerator 1 and the relative compressor run time and the relative length of time in which the door leaf 4 is opened may have been determined empirically by the factory.
  • the control device 11 can be connected, for example, to a door opening switch which is essentially known to the person skilled in the art. According to information, for example, in the control device 1 1 stored.
  • the control device 1 1 may be designed such that it determines from the selected humidity range and the determined ambient temperature of the household refrigerator 1, the relative humidity according to the Mollier diagram known in the art and the heater 9 only turns on or turned on as long as the determined relative humidity is greater than 100%.
  • the control device 1 1 is designed such that it additionally the heater 9 only during the compressor running time, ie during the switched-on compressor 21, optionally extended by the first time period and / or shortened by the second period, turns on.
  • FIG. 4 shows an alternative refrigerant circuit 40 for the household refrigerator 1. Unless otherwise described, components of the refrigerant circuit 40 shown in FIG. 4, which are substantially identical in construction and function to components of the refrigerant circuit 20 shown in FIG. 2, are given the same reference numerals.
  • the refrigerant circuit 40 shown in FIG. 4 differs substantially from the refrigerant circuit 20 shown in FIG. 2 in that it has an extension 41 of the hot gas tube 25, which is used as a heater 9 for the side wall 8. In this case, the household refrigerator has no electric heater for the side wall 8. In the region of the hot gas pipe 25, the refrigerant of the refrigeration cycle 40 is heated.
  • the extension 41 of the hot gas pipe 25 is connected in parallel at least to a part of the hot gas pipe 25.
  • the refrigerant circuit 40 comprises a refrigerant valve 42 by means of which the extension 41 of the hot gas pipe 25 can be switched on.
  • the extension 41 of the hot gas pipe 25 is thermally coupled to the outwardly directed surface of the side wall 8, preferably foamed into the side wall 8.
  • the refrigerant valve 42 is coupled to the control device 11 so that it can open and close the refrigerant valve 42 to control the heating power of the heater 9 formed as the extension 41 of the hot gas tube 25, as described above, by opening and closing the refrigerant valve 42 the heater 9 formed as an extension 41 of the hot gas pipe 25 and turn off.

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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)

Abstract

L'invention concerne un procédé permettant de faire fonctionner un dispositif de chauffage (9) d'un appareil ménager frigorifique (1) qui comporte un carter (2) pourvu d'un espace intérieur (3) pouvant être refroidi et au moins d'une paroi latérale (8), et un dispositif de chauffage (9) couplé thermiquement à la surface de la paroi latérale (8) orientée vers l'extérieur. L'invention concerne en outre un appareil ménager frigorifique (1) correspondant. Une indication concernant une plage d'humidité qui est associée à l'humidité environnant l'appareil ménager frigorifique (1) sur son lieu d'installation est réglée au moyen d'un dispositif de saisie (13) de l'appareil ménager frigorifique (1), et le dispositif de chauffage (9) fonctionne sur la base de l'indication relative à la plage d'humidité réglée.
PCT/EP2013/065799 2012-08-07 2013-07-26 Appareil ménager frigorifique et procédé permettant de faire fonctionner un dispositif de chauffage d'un appareil ménager frigorifique WO2014023587A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13742218.4A EP2883011A1 (fr) 2012-08-07 2013-07-26 Appareil ménager frigorifique et procédé permettant de faire fonctionner un dispositif de chauffage d'un appareil ménager frigorifique
CN201380041825.1A CN104541117A (zh) 2012-08-07 2013-07-26 家用制冷器具和用于运行家用制冷器具的加热装置的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012213942.7A DE102012213942A1 (de) 2012-08-07 2012-08-07 Haushaltskältegerät und Verfahren zum Betreiben einer Heizvorrichtung eines Haushaltskältegerätes
DE102012213942.7 2012-08-07

Publications (1)

Publication Number Publication Date
WO2014023587A1 true WO2014023587A1 (fr) 2014-02-13

Family

ID=48877243

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/065799 WO2014023587A1 (fr) 2012-08-07 2013-07-26 Appareil ménager frigorifique et procédé permettant de faire fonctionner un dispositif de chauffage d'un appareil ménager frigorifique

Country Status (4)

Country Link
EP (1) EP2883011A1 (fr)
CN (1) CN104541117A (fr)
DE (1) DE102012213942A1 (fr)
WO (1) WO2014023587A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110440493B (zh) * 2018-05-04 2022-10-28 青岛海尔智能技术研发有限公司 一种具有干物室的冰箱
CN110440521B (zh) * 2018-05-04 2022-11-04 青岛海尔智能技术研发有限公司 一种冰箱及其控制方法
CN109990547A (zh) * 2019-03-29 2019-07-09 长虹美菱股份有限公司 电冰箱冷藏门翻转梁分段式控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2260764A1 (fr) * 1974-02-11 1975-09-05 Anthony S Mfg Co
DE4318843A1 (de) * 1993-06-07 1994-12-08 York Int Gmbh Verfahren zum Betätigen von Rahmenheizungen in Kühlmöbeln
US5778689A (en) * 1997-05-19 1998-07-14 Beatenbough; Bryan System for maintaining refrigeration doors free of frost and condensation
WO2009003636A1 (fr) 2007-06-29 2009-01-08 Liebherr-Hausgeräte Lienz Gmbh Appareil de réfrigération et/ou de congélation
US20120017612A1 (en) * 2010-07-20 2012-01-26 Brent Alden Junge System to control external condensation on a refrigerator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101684980B (zh) * 2008-09-27 2012-07-25 海尔集团公司 冰箱上使用湿度传感器控制防凝露加热的工作方式

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2260764A1 (fr) * 1974-02-11 1975-09-05 Anthony S Mfg Co
DE4318843A1 (de) * 1993-06-07 1994-12-08 York Int Gmbh Verfahren zum Betätigen von Rahmenheizungen in Kühlmöbeln
US5778689A (en) * 1997-05-19 1998-07-14 Beatenbough; Bryan System for maintaining refrigeration doors free of frost and condensation
WO2009003636A1 (fr) 2007-06-29 2009-01-08 Liebherr-Hausgeräte Lienz Gmbh Appareil de réfrigération et/ou de congélation
US20120017612A1 (en) * 2010-07-20 2012-01-26 Brent Alden Junge System to control external condensation on a refrigerator

Also Published As

Publication number Publication date
EP2883011A1 (fr) 2015-06-17
DE102012213942A1 (de) 2014-02-13
CN104541117A (zh) 2015-04-22

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