WO2007020162A1 - Appareil de cuisson - Google Patents

Appareil de cuisson Download PDF

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Publication number
WO2007020162A1
WO2007020162A1 PCT/EP2006/064692 EP2006064692W WO2007020162A1 WO 2007020162 A1 WO2007020162 A1 WO 2007020162A1 EP 2006064692 W EP2006064692 W EP 2006064692W WO 2007020162 A1 WO2007020162 A1 WO 2007020162A1
Authority
WO
WIPO (PCT)
Prior art keywords
speed
door
cooking appliance
ramp
appliance according
Prior art date
Application number
PCT/EP2006/064692
Other languages
German (de)
English (en)
Inventor
Ingo Bally
Kerstin Feldmann
Wolfgang Fuchs
Martin Keller
Edmund Kuttalek
Maximilian Neuhauser
Klemens Roch
Wolfgang Schnell
Günter ZSCHAU
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 US11/990,535 priority Critical patent/US20090165775A1/en
Priority to EP06777994A priority patent/EP1917479A1/fr
Publication of WO2007020162A1 publication Critical patent/WO2007020162A1/fr

Links

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

Definitions

  • the present invention relates to a cooking appliance, in particular a Hocheinbau- cooking appliance, with at least one a cooking chamber delimiting muffle with a muffle opening, a door to close the muffle opening and controlled by a control device drive means for moving the door.
  • the procedure of the bottom door is done in the known devices by turning on or off the drive motor, d. H. in that a certain voltage is applied to or disconnected from the motor.
  • the present object is achieved by the cooking appliance having the features of patent claim 1 and a method according to claim 13.
  • the cooking appliance in particular a high-installation cooking appliance, equipped so that the Antriebssein direction by the control circuit is so controlled or regulated that a predetermined Verfahrparameter the door, z. B. a desired motor voltage or setpoint speed, by at least one defined Ram- pe, z. B. a voltage or speed ramp, can be controlled.
  • a predetermined Verfahrparameter the door z. B. a desired motor voltage or setpoint speed, by at least one defined Ram- pe, z. B. a voltage or speed ramp
  • An undefined, caused by simply switching on the drive motor, often disgusting, starting behavior is thereby avoided.
  • the shape of the ramps is not limited, z. B. on a linear shape, and may also be multi-level.
  • the travel parameter is a travel speed of the door, that is, the door is speed-dependent and not load-dependent.
  • a setpoint speed to be reached is traversed by means of a first defined speed ramp.
  • the movement of the door is then also independent of, for example, a payload or a change in the mechanical friction conditions.
  • the acceleration and / or the time to reach the desired speed and so on can be defined.
  • the ramps may merge into one another even at lower speeds.
  • the ramps basically do not need to have the same shape or slope (eg absolute).
  • the door in an automatic mode, it is advantageous if the door can - after a short drive - actuate a movement panel by means of the first speed ramp to a desired speed and automatically comes to a standstill of the second speed ramp.
  • the travel speed can be detected by means of a speed measuring device which comprises at least one sensor arranged on a motor shaft of a drive motor of the drive device, in particular a Hall sensor.
  • the speed measuring device can measure the speed of the door either directly, z. B. by arrangement on the door, or by indirect determination, for. B. by measuring the speed of a shaft, such as the motor shaft.
  • the motor shaft can also be mounted in front of or behind a gearbox.
  • the travel speed can be set by selecting from at least two speed levels, whereby the speed levels can also be preset at the factory.
  • the travel speed at least between a first, lower speed level in the range of 40 mm / s to 55 mm / s, in particular 50 mm / s, and a second speed level in the range of 60 mm / s to 80 mm / s, in particular in the range of 65 mm / s to 75 mm / s, in particular of 65 mm / s, can be switched.
  • a preset travel speed corresponds to the lowest speed level.
  • the user-defined traversing speed can be stored in a non-volatile memory, eg a non-volatile memory.
  • a non-volatile memory eg a non-volatile memory.
  • an EEPROM are stored.
  • trapping on the door can be detected by monitoring the traversing speed, wherein the trapping protection is advantageously activated only when the setpoint speed of the door has been reached.
  • the movement of movement of the door can be switched between a speed-dependent traversing movement and a load-dependent or force-dependent traversing movement.
  • the invention is particularly suitable for high-installation cooking appliances, in which the muffle opening is a bottom-side muffle opening, and the door is a bottom door, which preferably moves linearly.
  • 1 is a perspective view of a mounted on a wall Hoch- built-in appliance with lowered bottom door.
  • 2 is a perspective view of the high-Einhaugar réelles with closed bottom door.
  • FIG. 3 is a perspective view of a housing of the Hoch-Einbaugarêts without the bottom door. 4 shows a schematic side view in a sectional view along the line I-I from FIG. 1 of the wall mounted high-mounted cooking appliance with lowered bottom door;
  • 5 shows a front view of another embodiment of a high-installation cooking appliance
  • 6 to 11 are diagrams of movements of a floor door under various boundary conditions
  • FIGS. 12 and 13 force time profile curves for a floor door.
  • FIG. 1 shows a high-installation cooking appliance with a housing 1 is shown.
  • the back of the housing 1 is mounted on a wall 2 in the manner of a hanging cabinet.
  • a cooking chamber 3 is defined, which can be controlled via a front side in the housing 1 introduced viewing window 4.
  • FIG. 4 it can be seen that the cooking space 3 is delimited by a muffle 5, which is provided with a heat-insulating sheath, not shown, and that the muffle 5 has a bottom-side muffle opening 6.
  • the muffle opening 6 can be closed with a bottom door 7.
  • the bottom door 7 is shown lowered, being with its underside in contact with a worktop 8 a kitchen device. In order to close the cooking chamber 3, the bottom door 7 is in the position shown in FIG.
  • the drive device 9, 10 has a drive motor 9 shown in dashed lines in FIGS. 1, 2 and 4, which is arranged between the muffle 5 and an outer wall of the housing 1.
  • the drive motor 9 is in the region of the back of the Housing 1 is arranged and is, as shown in FIGS. 1 or 4, in operative connection with a pair of lifting elements 10, which are connected to the bottom door 7.
  • each lifting element 10 is designed as an L-shaped carrier, whose vertical leg extends from the housing-side drive motor 9
  • the drive motor 9 can be actuated by means of a control panel 12 and a control circuit 13, which is arranged according to FIGS. 1 and 2 at the front of the bottom door 7.
  • the control circuit 13 is located behind the control panel 12 within the bottom door 7.
  • the control circuit 13, which here consists of several spatially and functionally separated and communicating via a communication bus circuit boards, provides a central control unit for the Device operation is and controls and / or controls z.
  • a heating a method of the bottom door 3, a conversion of user input, a lighting, a pinch protection, a clocking of the radiator 16, 17, 18, 22 and much more.
  • FIG. 1 shows that an upper side of the bottom door 7 has a hob 15. Almost the entire surface of the hob 15 is occupied by radiators 16, 17, 18, which are indicated in phantom in Fig. 1.
  • the radiator 16, 17 are two spaced apart, different sized cooking hob, while the radiator 18 is provided between the two cooking area heaters 16,17 surface heating element, which almost encloses the cooking area heaters 16, 17.
  • the hotplate heaters 16, 17 define for the user associated cooking zones or hobs; the hotplate heaters 16, 17 together with the surface heating element 18 define a lower heat zone. The zones may be indicated by a suitable decoration on the surface.
  • the radiators 16, 17, 18 are each controlled via the control circuit 13.
  • the radiators 16, 17, 18 are configured as radiant heaters, which are covered by a glass ceramic plate 19.
  • the glass-ceramic plate 19 has approximately the dimensions of the upper side of the bottom door 7.
  • the glass-ceramic plate 19 is furthermore equipped with mounting openings (not shown) through which pedestals for holding support parts 20 for food carriers 21 protrude, as also shown in FIG. 4.
  • a glass ceramic plate 19 other - preferably quick-responding - covers can be used, for. B. a thin sheet.
  • the cooking surface heaters 16, 17 can be controlled individually by means of control elements 11, which are provided in the control panel 12, via the control circuit 13, while the surface heating element 18 remains out of operation.
  • the hotplate mode is executable with the bottom door 7 lowered, as shown in FIG. But it can also be operated with closed cooking chamber 3 with raised floor door 7 in an energy saving function.
  • the cooking surface 15 providing the bottom heat has a uniform distribution of the heat output over the surface of the hob 15, although the heating elements 16, 17, 18 have different nominal powers.
  • the radiators 16, 17, 18 are not switched by the control circuit 13 to a continuous operation, but the power supply to the radiators 16, 17, 18 is clocked.
  • the different sized nominal heating powers of the radiator 16, 17, 18 are individually reduced so that the radiators 16, 17, 18 provide a uniform over the surface of the hob 15 distribution of the heat output.
  • Fig. 4 shows schematically the position of a fan 23, z. B. for generating circulating air in a hot air operation or for supplying fresh air.
  • a mounted on an upper side of the muffle 5 Oberhitzeterrorism stresses 22 is provided, the single-circuit or Geographic Vietnameseig, z. B. with an inner and an outer circle, can be executed.
  • another radiator such as a ring heater between the rear wall of the housing 1 and the muffle be present.
  • the various operating modes such as, for example, top heat, hot air or Schnellauffilter plante by an appropriate activation and adjustment of the heating power of the radiator 16, 17, 18, 22, possibly with activation of Fan 23, to be adjusted.
  • the adjustment of the heating power can be done by appropriate timing.
  • the hob 15 can also be designed differently, for. B. with or without roasting zone, as a pure - one or Moika - warming zone without cooktops and so on.
  • the housing 1 has a seal 24 towards the bottom door 7.
  • the control panel 12 is arranged mainly at the front of the bottom door 7. There are alternatively other arrangements conceivable, for. B. at the front of the housing 1, divided into different sub-fields and / or partially on side surfaces of the cooking appliance. Further designs are possible.
  • the controls 11 are not limited in their design and can, for. B. z. As control knob, toggle switch, pushbuttons and membrane keys include the display elements 14 include z. B. LED, LCD and / or touchscreen displays.
  • Fig. 5 is schematically and not to scale a high-mounted cooking appliance shown from the front, in which the bottom door 7 is open on contact with the worktop 8. The closed state is shown in dashed lines.
  • each traversing panel 25 comprises two pushbuttons, namely an upper CLOSE button 25a for a bottom door 7 traveling upwards in the closing direction and a lower OPEN button 25b for one Without automatic operation (see below) moves the bottom door 7 only by continuous simultaneous pressing the CLOSE buttons 25a both traversing panels 25 upwards, if possible; also moves the bottom door 7 only by continuous simultaneous pressing of the UP buttons 25b both traversing panels 25 down, if possible (manual operation). Since in manual operation an increased user attention is given to the user and also both hands are used here, an anti-trap protection is then only optional.
  • shifting panels 26 are mounted on opposite outer sides of the housing 1 with corresponding ZU buttons 26a and UP buttons 26b, as shown in dotted lines.
  • the control circuit 13 comprises a memory unit 27 for storing at least one destination or travel position PO, P1, P2, PZ of the bottom door 7, preferably with volatile memory modules, eg. B. DRAMs. If a target position PO, P1, P2, PZ is stored, the bottom door can move independently after pressing one of the keys 25a, 25b or 26a, 26b of the traversing panels 25 and 26 in the set direction until the next target position is reached or one of the buttons 25a, 25b or 26a, 26b is pressed again (automatic mode).
  • the lowest target position PZ corresponds to the maximum opening, the (zero) position PO to the closed state, and P1 and P2 are freely adjustable intermediate positions.
  • Automatic mode and manual operation are not mutually exclusive: by permanently actuating the positioning panel (s) 25, 26, the bottom door 7 also moves in manual mode if a target position could be approached in this direction. It can be z. B. a maximum actuation time of the traversing fields 25 and 26, respectively the associated keys 25a, 25b and 26a, 26b, are set to activate the automatic mode, z. B. 0.4 seconds.
  • a target position PO, P1, P2, PZ may be any position of the bottom door 7 between and including the zero position PO and the maximum open position PZ. However, the maximum stored opening position PZ need not be the position with abutment on the work surface 8. Storing the target position PO, P1, P2, PZ can be achieved with the bottom door 7 at the desired target position PO, P1, P2, PZ, by means of, for example, several seconds (for example, two seconds), actuation. gens a confirmation button 28 in the control panel 12 are performed. Existing optical and / or acoustic signal transmitters which output corresponding signals after storing a target position are not shown for the sake of clarity. A start-up of the desired target position PO, P1, P2, PZ to be set is done, for example, by - in this embodiment - ambidextrous operation of the movement panels 25 and 26 and manual method to this position.
  • a plurality of target positions PO, P1, P2, PZ can be ein arrivedbar.
  • these can be approached successively by actuating the corresponding movement keys 25a, 25b or 26a, 26b.
  • the target position (s) are advantageously erasable and / or overwritten.
  • only one target position can be stored in the opened state, while the zero position PO is automatically detected and can be automatically approached.
  • the zero position PO must be stored in order to be automatically approachable.
  • the or a target position P1, P2, PZ opens the bottom door 7 at least about 400 mm to about 540 mm (ie P1-P0, P2-P0, PZ-PO ⁇ 40cm to 54 cm). In this opening dimension the food supports 21 are easy to insert into the support members 20. It is advantageous if the viewing window 4 is mounted approximately at eye level of the user or slightly below, z. B. by means of a template that indicates the dimensions of the cooking appliance.
  • the drive motor 9 from FIG. 1 has at least one sensor unit 31, 32 arranged on a motor shaft 30, possibly in front of or behind a transmission, in order to measure a travel path or a position and / or a speed of the bottom door 7.
  • the sensor unit may include one or more induction, reverberation, opto, SAW sensors, and so forth.
  • a speed control can realize the speed, for example via a PWM-controlled power semiconductor.
  • the distance measurement is automatically readjusted by initialization in the zero position PO of the bottom door 7 at each startup, so z.
  • the drive motor 9 is operated by actuation of both traversing panels 25 and 26, even when the main switch 29 is turned off.
  • control circuit 13 is flexible and not limited, so it can be several boards, z. B. include a display board, a control board and an elevator board, which are spatially separated.
  • a 4 mm opening dimension can be detected by limit switches 33, which deactivate anti-pinch protection when actuated.
  • the high-installation cooking appliance can also be designed without a storage unit 27, in which case no automatic operation is possible. This can be for increased operating safety, eg. B. as protection against pinching, be useful.
  • the curve is traversed in the direction of the arrow, ie from right to left.
  • the downward arrows present above the curve indicate actuations of the control panel 12.
  • the movement of the bottom door 7 downwards begins with two-handed operation of the movement panels 25, 26 and the ON-switch 25b and 26b, as indicated by the upper left vertical arrow.
  • the ramp R1 is linear here.
  • the drive motor 9 is therefore not simply turned on.
  • the movement is characterized load independent, in particular independent of the payload of the bottom door 7 or changed friction conditions of the mechanics.
  • An input for this can be the speed of the drive motor 9, the z. B. can be measured by Hall sensors.
  • the approach to the bottom plate can be detected by limit switch 33 and / or by monitoring the travel.
  • the cooking chamber 3 is not opened, the bottom door 7 so do not proceed from the zero position PO when an opening assurance is active, so if, for example, a certain temperature in the oven, z. B. 425 0 C or 600 0 F, is exceeded or a child safety device is activated.
  • the movement of the bottom door 7 upward begins with two-handed operation of the to-switch 25a and 26a, as indicated by the upper left vertical arrow.
  • the control circuit 13 detects an approach to the zero position PO and brakes the bottom door 7 in good time before. But instead of using the linear ramp to shift directly down to the zero position PO, the speed-dependent control is switched to control with a defined voltage 4 mm before the zero position PO, ie by supplying the motor 9 with a corresponding voltage. This allows a maximum force development when blocking the drive motor 9 set.
  • This voltage differs depending on the history of the process (payload, friction conditions, etc.).
  • the detection of the 4 mm opening dimension takes place via the travel measurement or additionally or alternatively via the limit switches 33. In the range of PO to PO + 4 mm, an anti-pinch protection can also be dispensed with.
  • vL 50 mm / s
  • the monitoring of the lift speed happens here, for example, by evaluating the sensor signals of the motor shaft, wherein z. B. the time between the measurement signals or pulses is evaluated. Only in the second instance is the motor current monitored, which is a rather slower method.
  • the force that can be generated by the motor 9 for the method is limited in order to avoid accidents due to excessive clamping (see also FIGS.
  • the Deviation from the desired speed is detected by the control circuit 13, z. B. by a speed deviation or a temporal change in speed. Then reverses the bottom door, so that the object can be removed; if necessary, a, z. B. issued audible, warning signal. The bottom door 7 then moves on only when a corresponding actuation of a movement load field 25, 26 again.
  • the anti-trapping device can only be actively activated when the bottom door 7 has reached its setpoint speed (if a traversing button 25a, 25b, 26a, 26b is released beforehand, the bottom door remains open due to a changed payload or a change in the running properties of the mechanism 7 immediately stand), and it may be secondly evaluated several sensor signals, for example, averaged.
  • Fig. 1 1 shows the Einklemmfall (upper vertical arrow) in the opening process of the bottom door 7 in automatic mode to a target position P1, in which an object between the bottom of the bottom door 7 and the worktop 8 is clamped.
  • the Einklemmerkennung can be done via two redundant limit switches, which recognize a - especially non-uniform - relief of the bottom door 7, whereupon the drive motor 9 reverses.
  • the maximum permissible force time profile (see FIGS. 12 and 13) is not exceeded.
  • FIG. 12 shows a force F in N which can be applied maximally to the bottom door 7 in the trapping case during the process in a closing direction (ie upwards) in relation to the elapsed time t in s as a first force time profile FT1.
  • the possible closing force is limited to 100 N, corresponding to approx. 10 kg, for 5 s.
  • This is z. B. useful if the motor 9 is up-regulated by the controller 13 to hold the target speed. This ensures in particular that body parts are not injured. If the floor door is tightened for a maximum of 100 N for 5 s, the maximum force that can be applied is reduced further to 25 N, eg. For 5 seconds. In the following, this level of force can be kept or z. B. continue to be lowered to 0 N.
  • the maximum force threshold of 100 N can also apply to other traversing situations.
  • FIG. 13 shows a force F in N which can be applied to the bottom door 7 in the event of trapping in the process in an opening direction (that is, downwards) against the elapsed time t in s as a second force time profile FT2.
  • time intervals and force threshold values of the force time profiles FT1, FT2 can be adapted to the structure and further boundary conditions.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Ovens (AREA)

Abstract

L'invention concerne un appareil de cuisson, notamment un appareil de cuisson à encastrement en colonne, comprenant au moins un moufle (5) délimitant un compartiment de cuisson (3) et dont l'ouverture (6) est entourée d'un cadre de moufle, une porte (7) permettant de fermer l'ouverture de moufle et un dispositif d'entraînement (9, 10) commandé par un circuit de commande (13) et permettant de déplacer la porte. Le dispositif d'entraînement est réglable par le circuit de commande de telle façon qu'un paramètre de déplacement prédéterminé de la porte puisse être contrôlé par au moins une rampe définie.
PCT/EP2006/064692 2005-08-17 2006-07-26 Appareil de cuisson WO2007020162A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11/990,535 US20090165775A1 (en) 2005-08-17 2006-07-26 Cooking Appliance
EP06777994A EP1917479A1 (fr) 2005-08-17 2006-07-26 Appareil de cuisson

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005038882A DE102005038882A1 (de) 2005-08-17 2005-08-17 Gargerät
DE102005038882.5 2005-08-17

Publications (1)

Publication Number Publication Date
WO2007020162A1 true WO2007020162A1 (fr) 2007-02-22

Family

ID=37074603

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/064692 WO2007020162A1 (fr) 2005-08-17 2006-07-26 Appareil de cuisson

Country Status (4)

Country Link
US (1) US20090165775A1 (fr)
EP (1) EP1917479A1 (fr)
DE (1) DE102005038882A1 (fr)
WO (1) WO2007020162A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006004381A1 (de) * 2006-01-31 2007-08-02 BSH Bosch und Siemens Hausgeräte GmbH Gargerät, insbesondere Hocheinbau-Gargerät, und Verfahren zum Steuern eines Gargeräts
DE102007019798A1 (de) * 2007-04-26 2008-10-30 Siemens Ag Verfahren zum Steuern eines elektrischen Türantriebes

Citations (4)

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Publication number Priority date Publication date Assignee Title
EP0147815A2 (fr) * 1984-01-05 1985-07-10 Elektra Bregenz Aktiengesellschaft Appareil de ménage p.ex. pour la cuisine
JPS61161341A (ja) * 1985-01-10 1986-07-22 Rinnai Corp 高温調理器
WO2000052392A1 (fr) * 1999-03-04 2000-09-08 Aktiebolaget Electrolux Dispositif permettant de signaler la fin de la cuisson au four et d'indiquer l'etat dudit four
EP1284393A1 (fr) * 2001-06-26 2003-02-19 BSH Bosch und Siemens Hausgeräte GmbH Appareil ménager, en particulier four de cuisson

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Publication number Priority date Publication date Assignee Title
US2944540A (en) * 1955-12-22 1960-07-12 Jr Charles C Littell Oven
DE4339565C5 (de) * 1993-11-19 2005-08-18 Hörmann KG Antriebstechnik Verfahren und Vorrichtung zur Steuerung eines motorisch betriebenen Torblattes
DE4419290A1 (de) * 1994-06-02 1995-12-21 Foerder Weber & Systemtechnik Verfahren zur Regelung des Öffnungs- und Schließvorganges einer Tür, insbesondere einer Aufzugschiebetür, und Gerät zu dessen Durchführung
DE10164238A1 (de) * 2001-12-27 2003-07-17 Bsh Bosch Siemens Hausgeraete Hocheinbaugargerät
DE10164237A1 (de) * 2001-12-27 2003-07-17 Bsh Bosch Siemens Hausgeraete Hocheinbaugargarät
DE10164235A1 (de) * 2001-12-27 2003-11-13 Bsh Bosch Siemens Hausgeraete Hocheinbaugargerät
DE10228140A1 (de) * 2002-06-24 2004-01-15 BSH Bosch und Siemens Hausgeräte GmbH Gargerät
US7244916B2 (en) * 2004-01-14 2007-07-17 Sharp Kabushiki Kaisha Microwave heating and cooking apparatus including drawer body

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0147815A2 (fr) * 1984-01-05 1985-07-10 Elektra Bregenz Aktiengesellschaft Appareil de ménage p.ex. pour la cuisine
JPS61161341A (ja) * 1985-01-10 1986-07-22 Rinnai Corp 高温調理器
WO2000052392A1 (fr) * 1999-03-04 2000-09-08 Aktiebolaget Electrolux Dispositif permettant de signaler la fin de la cuisson au four et d'indiquer l'etat dudit four
EP1284393A1 (fr) * 2001-06-26 2003-02-19 BSH Bosch und Siemens Hausgeräte GmbH Appareil ménager, en particulier four de cuisson

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1917479A1 *

Also Published As

Publication number Publication date
DE102005038882A1 (de) 2007-02-22
EP1917479A1 (fr) 2008-05-07
US20090165775A1 (en) 2009-07-02

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