EP1957896B1 - Kältegerät mit modularem steuer- und verdampferaufbau - Google Patents

Kältegerät mit modularem steuer- und verdampferaufbau Download PDF

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Publication number
EP1957896B1
EP1957896B1 EP06807374.1A EP06807374A EP1957896B1 EP 1957896 B1 EP1957896 B1 EP 1957896B1 EP 06807374 A EP06807374 A EP 06807374A EP 1957896 B1 EP1957896 B1 EP 1957896B1
Authority
EP
European Patent Office
Prior art keywords
module
evaporator
refrigeration device
features
light source
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.)
Active
Application number
EP06807374.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1957896A1 (de
Inventor
Alexander GÖRZ
Renate Pradel
Ralf Spiller
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete 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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL06807374T priority Critical patent/PL1957896T3/pl
Publication of EP1957896A1 publication Critical patent/EP1957896A1/de
Application granted granted Critical
Publication of EP1957896B1 publication Critical patent/EP1957896B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/067Evaporator fan units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D27/00Lighting arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/005Mounting of control devices

Definitions

  • the invention relates to a refrigeration device, in particular a Nofrost-, refrigerator and / or freezer, which are provided a heat-insulating housing, within which at least one acted upon by a fan with cold air storage space for receiving stored goods and serving for receiving an evaporator evaporator chamber the evaporator space is thermally separated from the storage space by a partition plate, an operating electronics for controlling the refrigerator and at least one light source for illuminating the storage room comprises.
  • refrigerators especially refrigerators, freezers and fridge-freezer combinations with convection cooling known, which have a metallic inner container.
  • a cold generator may be arranged in an upper region of the cooling space. It has been found that, for several different reasons, the optimum position for the refrigerator, such as e.g. an evaporator, which is designed in a Nofrosttechnik as finned evaporator, is located in an upper region of the respective cooling compartments.
  • the insulation strengths of the devices can vary on the rear of the device.
  • DE 198 55 224 discloses a refrigeration device with a arranged in the upper region of the refrigerator evaporator.
  • US 5,187,950 discloses a refrigerator module mountable to a room door to cool a room in a building located behind it.
  • the refrigerator according to the invention in particular Nofrost, refrigerator and / or freezer, comprises a heat-insulating housing, within which at least one acted upon by a fan with cold air storage space for receiving stored goods and serving for receiving an evaporator evaporator space are provided, the evaporator space of the Storage room is thermally partitioned by a partition plate.
  • the refrigeration device further comprises a control electronics for controlling the refrigerator and at least one light source for illuminating the storage room, wherein the evaporator and the partition plate and the control electronics and / or the evaporator and the partition plate and the light source are provided as a module.
  • the evaporator is housed together with the control electronics or the light source as a modular evaporator package together with an integrated lighting in the heat-insulating housing.
  • a heat-insulating housing insulated housing by a Isolierschaum and vacuum-insulated housing can be used.
  • the storage room is supplied by the cold air circulated by the fan with cold air, which is cooled by the evaporator.
  • the evaporator is in a fluid-conducting connection with a compressor or condenser arranged outside the heat-insulating housing.
  • the control electronics in particular has a display.
  • the control electronics serves to control the technical control variables of the refrigeration appliance, in particular the temperatures in the refrigeration appliance.
  • the module can in particular be plugged in, preassembled, removable or be interchangeable.
  • various technical components which as such are not included in the scope of functions of an evaporator, such as motors, gearboxes for motorized shelves, lighting or control, compact and easy to maintain.
  • There is a common technology area inside the housing which is easily accessible in the case of customer service and, if necessary, can also be removed or replaced as a whole. This is particularly advantageous when the refrigerator is provided as a built-in unit and can not be easily removed from a furniture tables.
  • the module has a condensation drainage channel.
  • the condensation drainage channel discharges condensate, which forms on the evaporator. Due to the modular structure, only a single condensation drainage channel is required for different types of devices, which reduces the variety of components.
  • the condensation drainage channel can assume various holding and latching functions for a heat conducting sheet as well as for a heating device.
  • the module furthermore has a heating device.
  • the heating device can be configured with a heat conducting plate.
  • the heater is arranged in particular below the condensation drainage channel. With the help of the heater and the condensation drain a reliable, in particular at periodic intervals defrosting the evaporator is possible, whereby a reliable operation of the refrigerator is ensured even at high humidities and heavy ice formation.
  • the heat generated by the heater on the evaporator is evenly distributed over the evaporator, which in particular a quick defrosting of the ice formed on the evaporator is possible.
  • the heater is designed in particular flat and can be provided as a heating foil or heating coil. With the help of the condensation drainage channel, the melted with the help of the heater water is collected and out of the interior out, especially in an external evaporation tray, passed.
  • the housing has opposite side walls and the module further comprises plastic side support members with which the module is attachable to the side walls.
  • the plastic side support parts in particular together with the evaporator, form a support frame on which other refrigeration device components can be fastened to the module.
  • the evaporator can also be thermally insulated from a metallic inner lining of the refrigeration device.
  • undesirable ice formation on the metallic interior lining in the storage room can be avoided.
  • this can reduce an entry of heat into the storage room when the evaporator is in a thawing phase and is heated. By this measure, the efficiency of the refrigerator is improved.
  • the Kunststoff meeting solie take over for the evaporator, which is usually designed as a fin evaporator and thus is very sensitive, a protective function when the evaporator must be transported.
  • the plastic side support members are each divided into two parts.
  • the plastic side support on a front and a rear side part, whereby the assembly of the module can be considerably simplified.
  • a depth compensation can be created by the division of the plastic side support parts, if the same module is to be used for different refrigerators of a type series. It is thus possible to use the same components for different types of equipment of a series without a special adaptation of the individual components is required. This also reduces the component diversity of a construction series.
  • the module has a cross member for receiving the light source and / or the control electronics.
  • the cross member may in particular connect the two plastic side support members left and right together.
  • the cross member may be attached to the plastic side support members and is particularly made of a metal.
  • the cross member improves the mechanical stability of the module, in particular the part of the module to which the light source or the control electronics is attached.
  • the partition plate comprises an evaporator-side first insulating layer and a bearing space-side cover plate.
  • the first insulation layer is used for thermal coupling the evaporator space from the storage space, which is particularly advantageous for the thawing cycles of the evaporator to prevent excessive entry of heat into the storage room when the evaporator is in a thawing phase.
  • the storage space-side cover plate is advantageously made of metal in order to support a uniform temperature distribution in the interior of the storage room.
  • the insulation layer has in particular an insulation foam.
  • the insulating layer may have a thickness in a range of 5 mm to 30 mm, preferably 10 mm to 15 mm.
  • the module can be connected in a particularly advantageous embodiment of the invention by electrical connectors on the refrigerator.
  • plug contacts are provided on an inner wall of the heat-insulating housing. Due to the good accessibility, the functionality of the plug contacts, which are usually a source of malfunctions of the refrigerator, can be easily checked during maintenance of the refrigerator. The plug contacts can be replaced if necessary.
  • the connectors are arranged below the condensation drainage channel, so that the connectors are protected from condensation.
  • the condensation drainage channel has a slight slope, so that the water can drain.
  • the angle of the condensation drainage channel to the horizontal plane is in a range of 4 ° to 20 °, preferably in a range of 6 ° to 10 °.
  • the module is advantageously preassembled and can be tested before installation in the refrigerator outside the refrigerator.
  • the functionality of the components of the modular structure in particular that of the evaporator, the lighting, the control electronics and other functionalities such as the heater, a fan, etc., can thus be tested before installation of the module in the refrigerator, specified and optionally revised. This reduces the manufacturing cost of the refrigerator in a significant way.
  • the module advantageously has the fan. With the help of the fan, cooling air can be circulated from the evaporator compartment to the storage room and back again.
  • the housing has a ceiling wall and the module comprises a second insulation layer for thermal insulation of the module with respect to the ceiling wall.
  • the second insulating layer of the coldest area in the housing namely the evaporator chamber, particularly well thermally insulated, which increases the efficiency of the refrigerator.
  • the second insulation layer also takes over a protective function for the evaporator during transport.
  • the housing has a metallic inner lining.
  • the light source comprises white light-emitting diodes.
  • Fig. 1 shows an inventive refrigerator 1 with a heat-insulating housing 2, within which at least one acted upon by a fan 3 with cold air storage space 4 for receiving stored goods (not shown) and serving for receiving an evaporator 5 evaporator chamber 6 is provided.
  • the evaporator chamber 6 is thermally separated by a partition plate 7 of the storage room 4.
  • the housing 2 has side walls 12.
  • the evaporator 5 is provided together with the partition plate 7 and a control electronics 8 and / or a light source 9 as a module 10.
  • the housing 2 has an inner lining 19, which is made of metal. Inside the housing 2, a ceiling wall 17 is provided.
  • Fig. 2 shows a perspective sectional view of a section of the refrigerator 1 according to the invention Fig. 1 ,
  • the control electronics 8 has a display 20.
  • the module 10 has first 23 and second 24 air passages, through which cooling air can be sucked in or blown out.
  • the cooling air is cooled by the evaporator 5 arranged in the module 10.
  • the module has in addition to the evaporator 5 and the control electronics 8 and the light source 9, which is a halogen lamp here.
  • the module 14 has a partition plate 7 with an insulating layer 14, through which the evaporator chamber 6 is thermally separated from the storage space 4.
  • the insulating layer 14 is the storage room 4 out of a Cover plate 15 covered or covered.
  • first connecting elements 21 are provided for connecting the cover plate 15.
  • the module 10 is fixed by means of plastic side support members 25, 26 on the side walls 12 and the inner lining 19.
  • the Kunststoff meetehrmaschinemaschine 25, 26 help to decouple the evaporator 5 of the inner panel 19 to reduce heat input from the evaporator chamber 6 during a Aufauuphase the evaporator 5 in the storage room 4.
  • second connecting elements cooling air ducts (not shown) can be attached to the inner panel 19.
  • Fig. 3 shows a partial view Fig. 2 after removing the cover plate 15, wherein in addition to the control electronics 8 with the display 20 and the evaporator chamber 6 with the evaporator 5, which are required for the functional connection of the module 10 connector 16, a rear plastic side support member 26 and a front plastic side support member 25 can be seen.
  • the cover plate 15 is fastened to the module 10.
  • a cooling air duct (not shown) or a fan 3 can be fastened to a rear wall of the storage space 4.
  • Fig. 4 shows a rear view of a provided for the refrigerator 1 according to the invention module 10, wherein a second insulating layer 18, which serves for a further thermal insulation of the evaporator 5 of the ceiling wall 17, and the cover plate 15 are not shown for clarity.
  • the evaporator 5 has a heater 11, with which the evaporator 5 is freed of ice at regular intervals by the ice is thawed.
  • the formed condensation water is collected by a condensation drainage channel 13.
  • the condensation drainage channel 13 has an angle with respect to the horizontal of 6 °, so that condensation can flow off and can be collected in an evaporation tray (not shown) located outside the storage space 4.
  • the condensation drainage channel 13 and the heater 11 are attached to the plastic side support members 25, 26.
  • a fan 3 is used for air circulation, so that warmer air from the storage room 4 is guided past the evaporator 5 and is cooled there and then introduced into the storage room 4 as cooling air.
  • Fig. 5 shows the module 10 after Fig. 4 with an evaporator 5 designed as a lamella evaporator.
  • the evaporator 5 has evaporator lamellae 28, which are mechanically supported by the side carrier parts 25, 26.
  • Below the evaporator 5 to the storage room 4 through the insulation layer 14 is provided for the thermal separation of the storage space 4 of the evaporator chamber 6.
  • Fig. 6 shows the module 10 after Fig. 4 without the evaporator 5 and the cover plate 15, wherein the insulating layer 14 can be seen, which is attached to the rear plastic side support member 26.
  • a gravleitblech 27 for areal distribution of the heat generated by the heater 11 is provided below the condensation drainage channel 13 and thus below the evaporator 5.
  • FIGS. 7 to 9 show various partial views of the module 10, wherein in Fig. 7 the heater 11 with the heat conducting 27 can be seen.
  • the heating device 11 and the heat conducting plate 27 are located above the condensation drainage channel 13 Fig. 8 respectively.
  • Fig. 9 a partial view of the condensation drainage channel 13 is shown, wherein an undercut structure 30, third connecting elements 31 and a feedthrough slot and fastening hook 32 can be seen, with which the condensate drainage channel 13, the heater 11 and the heat conducting 27 are attached to the plastic side support members 25, 26.
  • Fig. 10 shows a partial view of the refrigerator 1 according to the invention in a perspective view with the module 10, which is covered by the cover plate 15 to the storage room 4 out.
  • Door panels 33 are provided in the door.
  • Fig. 11 shows a cross member 28 which connects the plastic side support members 25, 26 on the left and right sides of the side walls 12 and which serves as a support for the control electronics 8 and 9 for the light source.
  • Fig. 12 shows a perspective view of the module 10 from below and Fig. 13 shows a perspective view of the module 10 from above.
  • Fig. 14 is a perspective view of a section of the kitchen appliance 1 according to the invention, wherein a further component 34, in particular an electric motor drive, for adjusting the height of shelves in the storage room 4, between the cover plate 15 and the insulating layer 14 is arranged.
  • a further component 34 in particular an electric motor drive, for adjusting the height of shelves in the storage room 4, between the cover plate 15 and the insulating layer 14 is arranged.
  • Fig. 15 shows a view into the interior of the kitchen appliance 1 according to the invention without the module 10.
  • the first air duct 23, the two connecting elements 22, a water outlet 35 for condensation, the connector 16 and fastener 36 for fixing the plastic side support members 25, 26 can be seen.
  • the invention relates to a refrigeration device 1, in particular Nofrost-, refrigerator and / or freezer, comprising a heat-insulating housing 2, within which at least one acted upon by a fan 3 with cold air storage space 4 for receiving stored goods and serving for receiving an evaporator 5 evaporator space 6 are provided, wherein the evaporator chamber 6 is thermally separated from the storage room 4 by a partition plate 7, an operating electronics 8 for controlling the refrigerator 1 and at least one light source 9 for illuminating the storage room 4, wherein the evaporator 5 and the partition plate 7 and the control electronics 8 and / or the evaporator 5 and the partition plate 7 and the light source 9 are provided as a module 10.
  • the refrigeration device 1 is characterized by the fact that it operates particularly reliably and efficiently, is inexpensive to manufacture and is designed to be easy to maintain.

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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)
  • Removal Of Water From Condensation And Defrosting (AREA)
EP06807374.1A 2005-11-30 2006-10-18 Kältegerät mit modularem steuer- und verdampferaufbau Active EP1957896B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06807374T PL1957896T3 (pl) 2005-11-30 2006-10-18 Urządzenie chłodnicze z modułową strukturą systemu sterowania i parownika

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005057142A DE102005057142A1 (de) 2005-11-30 2005-11-30 Kältegerät mit modularem Steuer- und Verdampferaufbau
PCT/EP2006/067540 WO2007062910A1 (de) 2005-11-30 2006-10-18 Kältegerät mit modularem steuer- und verdampferaufbau

Publications (2)

Publication Number Publication Date
EP1957896A1 EP1957896A1 (de) 2008-08-20
EP1957896B1 true EP1957896B1 (de) 2017-03-01

Family

ID=37734784

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06807374.1A Active EP1957896B1 (de) 2005-11-30 2006-10-18 Kältegerät mit modularem steuer- und verdampferaufbau

Country Status (7)

Country Link
US (1) US8037706B2 (ru)
EP (1) EP1957896B1 (ru)
CN (1) CN101321997B (ru)
DE (1) DE102005057142A1 (ru)
PL (1) PL1957896T3 (ru)
RU (1) RU2423652C2 (ru)
WO (1) WO2007062910A1 (ru)

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US8393746B2 (en) * 2007-05-25 2013-03-12 Lg Electronics Inc. Lighting device for refrigerator and a method of controlling the same
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US20160161172A1 (en) * 2012-12-30 2016-06-09 Feyzi Alper Soysal Refrigerator with improved uv treatment chamber
DE102013225841A1 (de) * 2013-12-13 2015-06-18 BSH Hausgeräte GmbH Kältegerät mit einer Leuchte
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US10712079B2 (en) * 2016-12-01 2020-07-14 Bsh Hausgeraete Gmbh Cooling device comprising an evaporator cover sheet having a fixing assembly
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Also Published As

Publication number Publication date
CN101321997A (zh) 2008-12-10
US8037706B2 (en) 2011-10-18
EP1957896A1 (de) 2008-08-20
CN101321997B (zh) 2012-04-11
US20090133425A1 (en) 2009-05-28
RU2423652C2 (ru) 2011-07-10
DE102005057142A1 (de) 2007-06-06
WO2007062910A1 (de) 2007-06-07
RU2008121415A (ru) 2010-01-10
PL1957896T3 (pl) 2017-08-31

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