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EP0362130A1 - Four à micro-ondes - Google Patents

Four à micro-ondes Download PDF

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Publication number
EP0362130A1
EP0362130A1 EP89810655A EP89810655A EP0362130A1 EP 0362130 A1 EP0362130 A1 EP 0362130A1 EP 89810655 A EP89810655 A EP 89810655A EP 89810655 A EP89810655 A EP 89810655A EP 0362130 A1 EP0362130 A1 EP 0362130A1
Authority
EP
European Patent Office
Prior art keywords
cooking chamber
chamber door
microwave oven
switching
display means
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Withdrawn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
EP89810655A
Other languages
German (de)
English (en)
Inventor
Jakob Heierli
Markus Liggenstorfer
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.)
GIGATHERM AG
Original Assignee
GIGATHERM AG
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 GIGATHERM AG filed Critical GIGATHERM AG
Publication of EP0362130A1 publication Critical patent/EP0362130A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6435—Aspects relating to the user interface of the microwave heating apparatus
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6414—Aspects relating to the door of the microwave heating apparatus

Definitions

  • the present invention relates to a microwave oven with a cooking chamber door hinged on the front of the oven housing and electrical and / or electronic switching, setting and / or display means for its operation, the switching, setting and / or display means being built into the cooking chamber door, specifically in such a way that they are easily accessible from the outside when the cooking chamber door is closed and a control which interacts with the switching, setting and / or display means is provided.
  • a microwave oven of the aforementioned type is known, for example, from DE-Al-30 37 277.
  • the manually operated operating devices are arranged in the oven door.
  • the advantages of such an arrangement can essentially be seen in the fact that the operating elements in the cooking space door can practically only be operated when it is closed. Then they are first and foremost good arranged visible and reachable.
  • the operating elements are folded away together with the cooking chamber door. On the one hand, they are away from undesirable influences from the cooking process, such as hot steam; on the other hand, there is also no risk that food such as sauce etc. is tipped over it.
  • the housing need not be designed, or not significantly larger, than the cooking chamber door.
  • an electronic control unit is provided in the known microwave oven in the cooking chamber door in the immediate vicinity of the operating devices. This is fed by the operating elements with signals having a low voltage and / or amperage and converts these signals into signals with a considerably higher voltage and / or amperage.
  • control is accordingly built into the oven housing and designed as an active unit, whereas the switching, setting and / or display means installed in the cooking chamber door are designed as purely passive elements.
  • the two microwave ovens shown in FIGS. 1 to 4 each have a housing 1.
  • a cooking chamber door 2 is attached to the front of the oven housing 1.
  • the cooking chamber door is hinged at the bottom and in the microwave oven according to FIGS. 3 and 4 at the top.
  • Figures 2 and 4 is the oven door each shown open, which gives a clear view of the cooking space 3.
  • the switching, setting and / or display means 4 required for operating the microwave ovens are built into the oven door in both microwave ovens, specifically in the upper area of the oven door hinged at the bottom and vice versa in the lower area above and below in the lower area of the viewing window 5 that is usually provided in the cooking chamber door.
  • the operating elements 4 are therefore easily accessible, while when the cooking chamber door is opened they are firstly not accessible for operation in the desired manner and secondly they are protected against undesirable effects from the cooking process.
  • the arrangement of the operating elements 4 on the cooking chamber door further allows the microwave oven to be constructed in a very compact manner with an optimal ratio of the size of the cooking chamber 3 to its external dimensions. No unnecessary space is wasted.
  • the switching, setting and / or display means 4 are connected via cables 9 to an active control unit arranged in the housing, which is itself not shown.
  • the switching, setting and / or display means 4 are designed as purely passive elements.
  • the cables 9 can be electrical or optical cables or a combination of electrical and optical cables.
  • the cooking space door 2 is larger in area than the cooking space opening 3 and therefore protrudes somewhat with its edge zones over the cooking space opening 3.
  • two openings 10, 11, which overlap when the cooking chamber door 2 is closed are provided in the cooking chamber door on the one hand and in the front wall of the housing 1 on the other hand, through which the cables 9 are passed.
  • a cable guide which is denoted overall by 13 in FIGS. 5 and 6, is used to securely guide the cables 9 between the openings mentioned in the housing wall and the cooking chamber door.
  • This has a pipe section 14 for receiving the cables, which has a flexible section 15 at one of its two ends and which is fastened with this end in the passage area through the opening 11 in the cooking chamber door 2.
  • the length of the flexible section 15 should correspond approximately to the development length of the bending radius.
  • the pipe section 14 is essentially straight and rigid formed and guided in a sleeve 16 which is rotatably fastened in the passage area through the opening 10 in the housing wall about an axis parallel to the stop axis of the oven door 2 on the housing 1.
  • the bore 18 is widened towards the outside, i.e. towards the area between the cooking chamber door 2 and the housing 1, on one side, preferably semicircular, with a radius of curvature corresponding to approximately two to three times the diameter of the pipe section, in order to allow the flexible end section 15 to bend.
  • the flexible end portion 15 of the pipe section 14 is pushed completely through the holding element 17 and secured on the opposite side by means of a compression fitting 19 against slipping out.
  • the bearing block designated 20 is provided, which, as can be seen in FIG. 5, is fastened in the interior of the housing 1 behind the opening 10 on its housing wall.
  • the cable guide 13 can advantageously also be designed in such a way that it simultaneously serves as an element which cushions the cooking chamber door and limits its opening angle. To limit the opening angle, it is sufficient to provide stop means such as the securing ring 21 on the pipe section 14 in FIG. 6, by means of which the pipe section 14 can only slide out of the sleeve to a desired degree.
  • a lever arm 23, which is acted upon by a spring 22, is preferably articulated in a longitudinally displaceable manner in a sleeve 24 on the pipe section 14, which is articulated on the other hand at a suitable point 25 in the housing.
  • the spring 22 can be a compression or tension spring, depending on whether the opening of the cooking space door is assisted by the spring force (Opening upwards) or difficult (opening downwards).
  • the desired strength of the spring action can be set in a simple manner by suitable selection of the point of engagement 26 of the spring 22 on the lever arm 23.
  • a conductive material for the pipe section 15 or at least to provide it with a conductive coating and to add this or these earth.
  • a metal braid can be used for its flexible section 15, for example.
  • the signal levels generated by the control for the switching, setting and / or display means (4) in the cooking chamber door are preferably selected in the volt or milliampere range.
  • the control can also generate pulsed control signals, in particular square-wave signals, for the switching, setting and / or display means (4) in the cooking chamber door. Pulsed signals offer the advantage that interference can be identified and eliminated relatively easily.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Electric Ovens (AREA)
  • Constitution Of High-Frequency Heating (AREA)
EP89810655A 1988-09-02 1989-09-01 Four à micro-ondes Withdrawn EP0362130A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19883829913 DE3829913A1 (de) 1988-09-02 1988-09-02 Mikrowellenofen
DE3829913 1988-09-02

Publications (1)

Publication Number Publication Date
EP0362130A1 true EP0362130A1 (fr) 1990-04-04

Family

ID=6362190

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89810655A Withdrawn EP0362130A1 (fr) 1988-09-02 1989-09-01 Four à micro-ondes

Country Status (2)

Country Link
EP (1) EP0362130A1 (fr)
DE (1) DE3829913A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997026486A1 (fr) * 1996-01-19 1997-07-24 Aktiebolaget Electrolux Dispositif de commande pour four domestique
EP1120606A3 (fr) * 2000-01-24 2004-04-28 Sharp Kabushiki Kaisha Appareil de cuisson
WO2009109530A1 (fr) * 2008-03-03 2009-09-11 BSH Bosch und Siemens Hausgeräte GmbH Porte d’appareil ménager et appareil ménager muni d’une porte
US8393319B2 (en) 2006-01-10 2013-03-12 Bsh Bosch Und Siemens Hausgeraete Gmbh Domestic appliance door and pertaining operational module

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1081436B1 (fr) * 1999-08-21 2013-05-29 LG Electronics Inc. Porte de four à micro-ondes
DE20103517U1 (de) 2001-02-28 2001-05-10 Rational Ag Gargerät mit funktionalisierter Gargerätetür
DE102006001246A1 (de) * 2006-01-10 2007-07-12 BSH Bosch und Siemens Hausgeräte GmbH Bedienmodul
KR100851640B1 (ko) * 2007-01-26 2008-08-13 엘지전자 주식회사 후드 겸용 전자레인지의 도어

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2925338A1 (de) * 1978-06-26 1980-01-10 Sharp Kk Kochgeraet
DE3037277A1 (de) * 1979-10-19 1981-04-30 Litton Systems Inc Mikrowellenherd

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2925338A1 (de) * 1978-06-26 1980-01-10 Sharp Kk Kochgeraet
DE3037277A1 (de) * 1979-10-19 1981-04-30 Litton Systems Inc Mikrowellenherd

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997026486A1 (fr) * 1996-01-19 1997-07-24 Aktiebolaget Electrolux Dispositif de commande pour four domestique
EP1120606A3 (fr) * 2000-01-24 2004-04-28 Sharp Kabushiki Kaisha Appareil de cuisson
US8393319B2 (en) 2006-01-10 2013-03-12 Bsh Bosch Und Siemens Hausgeraete Gmbh Domestic appliance door and pertaining operational module
WO2009109530A1 (fr) * 2008-03-03 2009-09-11 BSH Bosch und Siemens Hausgeräte GmbH Porte d’appareil ménager et appareil ménager muni d’une porte

Also Published As

Publication number Publication date
DE3829913A1 (de) 1990-03-15

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Effective date: 19901005