EP1219901B1 - Appareil de cuisson - Google Patents

Appareil de cuisson Download PDF

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Publication number
EP1219901B1
EP1219901B1 EP01129126A EP01129126A EP1219901B1 EP 1219901 B1 EP1219901 B1 EP 1219901B1 EP 01129126 A EP01129126 A EP 01129126A EP 01129126 A EP01129126 A EP 01129126A EP 1219901 B1 EP1219901 B1 EP 1219901B1
Authority
EP
European Patent Office
Prior art keywords
cooking appliance
cooking
heating body
heat radiation
appliance according
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.)
Revoked
Application number
EP01129126A
Other languages
German (de)
English (en)
Other versions
EP1219901A3 (fr
EP1219901A2 (fr
Inventor
Felix Hangl
Klaus Dengler
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 Bosch und Siemens 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26008100&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1219901(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE2000165213 external-priority patent/DE10065213A1/de
Priority claimed from DE2000165215 external-priority patent/DE10065215A1/de
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1219901A2 publication Critical patent/EP1219901A2/fr
Publication of EP1219901A3 publication Critical patent/EP1219901A3/fr
Application granted granted Critical
Publication of EP1219901B1 publication Critical patent/EP1219901B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/027—Doors specially adapted for stoves or ranges located at bottom side of housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/16—Shelves, racks or trays inside ovens; Supports therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/06—Arrangement or mounting of electric heating elements

Definitions

  • the invention relates to a cooking appliance according to the preamble of claim 1.
  • a cooking device is known with a closable by a door cooking chamber a cooking appliance muffle, in which cooking chamber an upper radiation window for a top heat radiation heater and a lower radiation window is arranged for a bottom heat radiator.
  • an oven is known with a closable by a door cooking chamber of a baking oven muffle.
  • a Oberhitzestrahlungscream endeavor with an upper radiation-permeable radiation window and a Unterhitzestrahlungswe endeavor with a lower radiation-permeable radiation window are provided.
  • the radiation windows protect the radiant heaters from contamination.
  • the lower radiation window can serve as a storage area for food containers or directly for food.
  • the cooking chamber of the above-mentioned oven is thus heated by the radiation-permeable radiation window due to the heat radiation of the radiant heater, so that for example when the oven is cold, the desired operating temperature can be reached very quickly.
  • the radiation windows are translucent or transparent and allow it to be grilled without a separate grill radiator to be arranged inside the oven muffle - ie with the same radiant heaters which are also provided for the normal heating of the oven.
  • the radiation windows are formed by a plate made of glass ceramic or the like and are preferably fastened to flange profiles of the surrounding wall parts of the associated muffle wall.
  • the object of the invention is to provide a cooking appliance, can be cooked in the food with simple means more effective and faster.
  • the object of the invention is achieved by a cooking appliance according to the patent claim 1.
  • a lower radiation window for example of glass ceramic and an upper radiation window is arranged in combination.
  • the upper radiation window has a transmittance whose value is at least in one for cooking relevant wavelength range of the heat radiation of about 0 to 10 microns, in particular in a wavelength range of 0.5 to 5 microns, is substantially constant. This ensures that a constant, sufficiently large proportion of the heat rays, whose wavelengths are in the relevant wavelength range, is transmitted by the upper radiation window. This is particularly important because heat rays of specific wavelengths in the relevant wavelength range are almost completely retained by the glass ceramic material of the lower radiation window.
  • these heat rays can enter the cooking chamber at least through the upper radiation window to a sufficiently large extent.
  • the constant value of the transmittance of the upper radiation window is achieved by a lattice structure.
  • the size of the transmittance depends in particular on the average mesh size of the lattice structure, ie with a larger mesh size, the value of the transmittance of the lattice structure increases.
  • the lattice structure is preferably formed by a fabric made of ceramic fibers, which is strongly heated by the top heat radiation heater in the cooking mode. The excessive heating causes fat splashes or the like to be burnt on the fabric, thereby achieving a certain self-cleaning effect on the fabric.
  • the mesh size of the fabric is chosen such that sets a desired value of the transmittance of the upper radiation window.
  • the fabric of ceramic fibers may be covered with a grounded metal grid.
  • the radiant heaters Bandbyleiter. These have in comparison to tubular heaters a low response time of about two to three seconds, so that the desired working temperature is reached extremely quickly in the oven.
  • the radiant heaters may be formed by quartz radiant heaters. Quartz radiant heaters can be provided with a shield, with which the heat radiation is reflected away from the shield. This is particularly advantageous if a direction-independent heat radiation is to be avoided. Thus, since an efficient use of limited cooking space is possible, such Quartz radiators used in particular for more compact cooking appliances whose cooking space is low.
  • the top and / or bottom heat radiation heater assembly are at least substantially identical in construction.
  • the top heat radiator is arranged inside the cooking appliance muffle. This minimizes isolation problems in the area of the top wall of the cooking appliance muffle. On the other hand, eliminates the need to provide installation openings for inserting the radiator assembly of the top heat radiation heater in a muffle wall of the Garellamuffel.
  • the lower radiation window and the lower heat radiating heater are arranged in a cooking space divider, which can be inserted into the cooking chamber for dividing the cooking chamber.
  • a high proportion of radiation can be used for cooking in a cooking chamber area between the top heat of the cooking appliance and the cooking space divider in a short response time.
  • the glass or glass ceramic cover plate of the cooking compartment divider is extremely easy to clean, provided that it is removed from the oven.
  • the glass or glass ceramic cover plate of the cooking space divider according to the invention is exposed to much lower loads than, for example, a glass or glass ceramic cover plate for a hob. Therefore, the cover plate of the cooking chamber divider can be formed with a comparatively small material thickness. Due to the lower material thickness, the total weight of the cooking space divider is reduced, while at the same time the radiation permeability of the cover plate is increased. For example, for the glass or glass ceramic cover plate of the invention Garraumteilers sufficient material thickness of 3 mm, whereas the material thickness of a glass ceramic cover plate for a hob is about 4 mm.
  • a cooking appliance of the first exemplary embodiment has a cooking appliance muffle 1 with a cooking chamber 3, which is closed by a double-glass door 5 at the front.
  • an upper radiator assembly 7 is mounted on the top wall 2, which provides a top heat.
  • the upper radiator assembly 7 has a trough-like radiator housing 9, in which a Insulator 11 is added.
  • a Bandterrorism 8 bedded as Oberhitzestrahlungscreamoasa.
  • the Bandterrorism 8 extends not only annular in the peripheral region of the upper radiator assembly 7, but as surface radiator over the entire surface of the upper radiator assembly 7.
  • the peripheral edge of the trough-like radiator housing 9 framed an upper radiation window 13 of the upper radiator assembly 7, through which the Bandbyleiter 8 heat radiation in the Cooking chamber 3 radiates.
  • the upper radiation window 13 is formed by a fabric 15 made of ceramic fibers. As a protective measure for a user, the fabric 15 is covered by a coarse-meshed grounded metal grid 17.
  • a lower radiator assembly 19 is provided in a bottom opening 29 of the muffle bottom of the cooking appliance muffle 1, which provides a bottom heat.
  • the lower heating element arrangement 19 has a radiator housing 23, an insulating body 25 accommodated therein and a band heating conductor 21 embedded in the insulating body 25. These components of the lower radiator assembly 19 are of identical design as the corresponding components of the upper radiator assembly. 7
  • a lower radiation window 27 is formed by a glass ceramic plate 28.
  • the glass-ceramic plate 28 of the lower heating element arrangement 19 is flush with the muffle bottom.
  • the cooking chamber 3 facing side of the glass ceramic plate 28 serve as a storage area for a food container 31.
  • Gargutieri be inserted into not shown insertion guides on side walls of the cooking appliance muffle.
  • both the top heat and bottom heat radiant heaters 8 and 21 radiate heat radiation through the top and bottom radiation windows 13 and 28 into the cooking chamber 3.
  • the transmittance of the top and bottom radiation windows 13 and 28 determines which portions of the heat radiation from the upper and lower radiation windows 13 and 28 are transmitted.
  • a transmittance of the upper radiation window 13 having a constant value ⁇ 1 of, for example, 0.8 has been selected.
  • This value of the transmittance is according to the invention substantially constant at least in a wavelength range of 0 to 10 microns. This ensures that a constant portion of the heat rays whose wavelengths are between about 0 and 10 microns, at least a portion of 80% from the upper radiation window 13 is transmitted.
  • the value ⁇ 2 of the transmittance of the lower glass-ceramic radiation window 27 varies widely depending on the wavelength.
  • the value ⁇ 2 of the transmittance of the lower radiation window 27 at a wavelength ⁇ of 2.9 ⁇ m is only about 0.05.
  • heat rays having a wavelength ⁇ of 2.9 ⁇ m from the lower radiation window 27 are largely not transmitted.
  • FIG. 2 shows a second embodiment of the cooking appliance according to the invention.
  • the cooking appliance is mounted with its back in the manner of a hanging cabinet on a vertical kitchen wall 39.
  • the cooking chamber 3 within the cooking appliance muffle 1 can be controlled via a front mounted in the cooking appliance viewing window 41.
  • the cooking appliance muffle 1 has a bottom-side muffle opening 33 which is connected to the bottom side Door 5 is lockable.
  • the bottom-side door 2 is shown lowered, being with its underside in contact with a worktop 37 of a kitchen device.
  • the bottom-side door 5 is connected to lifting elements 35 of the cooking appliance.
  • the lifting elements 35 can be adjusted by means of a dashed line in FIG. 2, indicated drive device 43 of the cooking appliance.
  • the bottom-side door 5 is brought by means of the lifting elements 35 into abutment with a muffle frame 45 surrounding the cooking chamber opening 33.
  • the bottom-side door 5 has a door frame 47 which is open on its side facing the cooking chamber 3. This open side is covered by a glass ceramic plate 28. Below the glass ceramic plate 28, the lower Schuanordung 19 is arranged. In this case, the peripheral edge of the trough-like radiator housing 23 of the lower Schuanordung 19 is connected to an underside of the glass ceramic plate 28.
  • the lower radiator assembly 19 opposite is arranged on the top wall 2 of the cooking appliance muffle 1, an upper radiator assembly 7, whose components correspond to those of the first embodiment.
  • the cooking chamber 3 of the cooking appliance muffle 1 is divided by a plate-like cooking space divider 30, which is mounted on guides, not shown, on the side walls of the cooking appliance muffle 1.
  • the cooking space divider 30 has a trough-like housing 38 according to FIG.
  • an insulating body 36 is accommodated, on which a Bandterrorism 34 is embedded.
  • the Bandterrorism 34 not only extends annularly in the peripheral region of the cooking space divider 30, but extends as a surface heater over the entire surface of the cooking space divider 30th
  • the peripheral edge of the trough-like housing 38 is connected to a glass or glass ceramic cover plate 32 of the cooking space divider 30 in combination.
  • the glass or glass ceramic cover plate 32 serves as a storage area for a food container 31.
  • an electrical plug contact 40 for the BandChleiter 34 of the cooking compartment divider 30 protrudes from an end face of the housing 38, an electrical plug contact 40 for the BandChleiter 34 of the cooking compartment divider 30.
  • Cooking chamber divider 30 is the electrical plug-in contact 40 for power supply with a plug-in connection, not shown on a rear wall of the cooking appliance muffle in combination.
  • the lower heating element arrangement 19 is deactivated by a control device, not shown, of the cooking appliance. Instead, the inserted cooking chamber divider 30 is supplied with electric current, so that the cooking chamber area between the top heat radiation heater assembly 7 and the cooking space divider 30 is heated. In this case, the value of the transmittance of the upper radiation window 13 and the glass ceramic cover plate 32 of the cooking space divider 30 determines which portions of the heat radiation are transmitted by the upper radiation window 13 or the glass ceramic cover plate 32 of the cooking space divider 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)
  • Electric Ovens (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Cookers (AREA)

Claims (13)

  1. Appareil de cuisson comprenant un espace de cuisson (3) d'un moufle d'appareil de cuisson (1), pouvant être fermé par une porte (5), espace de cuisson dans lequel sont disposées une fenêtre de rayonnement (13) supérieure pour un corps de chauffage à rayonnement de chaleur supérieure (8) et une fenêtre de rayonnement (27) inférieure pour un corps de chauffage à rayonnement de chaleur inférieure (21 ; 34), caractérisé en ce que la valeur du degré de transmission de la fenêtre de rayonnement (13) supérieure est sensiblement constante au moins dans une plage de longueur d'ondes du rayonnement de chaleur de 0 à 10 µm et est obtenue par une structure de grille (15).
  2. Appareil de cuisson selon la revendication 1, caractérisé en ce que la valeur du degré de transmission de la fenêtre de rayonnement (13) supérieure est constante dans une plage de longueur d'ondes du rayonnement de chaleur de 0,5 à 5 µm.
  3. Appareil de cuisson selon la revendication 1 ou 2, caractérisé en ce qu'un tissu (15) à base de fibre céramique est disposé comme structure de grille dans la fenêtre de rayonnement (13) supérieure.
  4. Appareil de cuisson selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'une grille métallique (17) mise à la terre est disposée dans la fenêtre de rayonnement (13) supérieure.
  5. Appareil de cuisson selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la fenêtre de rayonnement (27) inférieure est formée par une plaque vitrocéramique (28, 32).
  6. Appareil de cuisson selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le corps de chauffage à rayonnement de chaleur supérieure (8) et/ou le corps de chauffage à rayonnement de chaleur inférieure (21 ; 34) est conçu comme conducteur chauffant à bande.
  7. Appareil de cuisson selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le corps de chauffage à rayonnement de chaleur supérieure (8) et/ou le corps de chauffage à rayonnement de chaleur inférieure (21 ; 34) est conçu comme un corps de chauffage à rayonnement par quartz.
  8. Appareil de cuisson selon l'une quelconque des revendications précédentes, caractérisé en ce que des corps de chauffage à rayonnement de chaleur supérieure (8) et le corps de chauffage à rayonnement de chaleur inférieure (21 ; 34) sont réalisés essentiellement avec une conception identique.
  9. Appareil de cuisson selon l'une quelconque des revendications précédentes, caractérisé en ce que le corps de chauffage à rayonnement de chaleur supérieure (8) est disposé à l'intérieur du moufle d'appareil de cuisson (1).
  10. Appareil de cuisson selon l'une quelconque des revendications précédentes, caractérisé en ce que le moufle d'appareil de cuisson (1) présente une ouverture de moufle (33) côté sol, qui peut être fermée avec la porte (5) et le corps chauffant à rayonnement de chaleur inférieure (21) est disposé dans la porte (5).
  11. Appareil de cuisson selon l'une quelconque des revendications 1 à 9, caractérisé en ce que la fenêtre de rayonnement (27) inférieure et le corps chauffant à rayonnement de chaleur inférieure (34) sont disposés dans un diviseur d'espace de cuisson (30) qui peut être inséré dans l'espace de cuisson (3).
  12. Appareil de cuisson selon la revendication 11, caractérisé en ce que la plaque de recouvrement (32) du diviseur d'espace de cuisson (30) présente une épaisseur de matériau de 3 mm.
  13. Appareil de cuisson selon la revendication 11 ou 12, caractérisé en ce que le corps de chauffage à rayonnement (34) est prévu comme corps de chauffage de surface sensiblement sur toute la surface du diviseur d'espace de cuisson (30).
EP01129126A 2000-12-28 2001-12-07 Appareil de cuisson Revoked EP1219901B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2000165213 DE10065213A1 (de) 2000-12-28 2000-12-28 Gargerät
DE10065215 2000-12-28
DE2000165215 DE10065215A1 (de) 2000-12-28 2000-12-28 Gargerät
DE10065213 2000-12-28

Publications (3)

Publication Number Publication Date
EP1219901A2 EP1219901A2 (fr) 2002-07-03
EP1219901A3 EP1219901A3 (fr) 2004-03-17
EP1219901B1 true EP1219901B1 (fr) 2007-10-31

Family

ID=26008100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01129126A Revoked EP1219901B1 (fr) 2000-12-28 2001-12-07 Appareil de cuisson

Country Status (3)

Country Link
EP (1) EP1219901B1 (fr)
AT (1) ATE377175T1 (fr)
DE (1) DE50113193D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004050125A1 (de) * 2004-10-14 2006-04-20 BSH Bosch und Siemens Hausgeräte GmbH Gargeräteheizvorrichtung
DE102005044694A1 (de) * 2005-09-19 2007-03-22 BSH Bosch und Siemens Hausgeräte GmbH Hocheinbau-Gargerät
CN107669150A (zh) * 2017-11-13 2018-02-09 上海酒店设备工程成套南翔厂有限公司 吊橱型烤箱

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057670A (en) * 1976-01-28 1977-11-08 Jenaer Glaswerk Schott & Gen. Cooking surfaces of glass-ceramic plates with layers with different values for radiation transmission
GB2180637B (en) * 1985-09-18 1989-10-18 Thorn Emi Appliances A grilling arrangement
DE3539880A1 (de) 1985-11-11 1987-05-14 Ego Elektro Blanc & Fischer Backofen-beheizung

Also Published As

Publication number Publication date
EP1219901A3 (fr) 2004-03-17
ATE377175T1 (de) 2007-11-15
DE50113193D1 (de) 2007-12-13
EP1219901A2 (fr) 2002-07-03

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