EP1855057A2 - Porte de four - Google Patents

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Publication number
EP1855057A2
EP1855057A2 EP07450059A EP07450059A EP1855057A2 EP 1855057 A2 EP1855057 A2 EP 1855057A2 EP 07450059 A EP07450059 A EP 07450059A EP 07450059 A EP07450059 A EP 07450059A EP 1855057 A2 EP1855057 A2 EP 1855057A2
Authority
EP
European Patent Office
Prior art keywords
combustion chamber
door
temperature sensor
chamber door
control device
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Withdrawn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
EP07450059A
Other languages
German (de)
English (en)
Other versions
EP1855057A3 (fr
Inventor
Leopold Bicker
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.)
HAFNERTEC Bicker GmbH
Original Assignee
HAFNERTEC Bicker 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 HAFNERTEC Bicker GmbH filed Critical HAFNERTEC Bicker GmbH
Publication of EP1855057A2 publication Critical patent/EP1855057A2/fr
Publication of EP1855057A3 publication Critical patent/EP1855057A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00—Stoves or ranges
    • F24B1/02—Closed stoves
    • F24B1/028—Closed stoves with means for regulating combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L13/00—Construction of valves or dampers for controlling air supply or draught
    • F23L13/02—Construction of valves or dampers for controlling air supply or draught pivoted about a single axis but having not other movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N3/00—Regulating air supply or draught
    • F23N3/04—Regulating air supply or draught by operation of single valves or dampers by temperature sensitive elements
    • F23N3/045—Regulating air supply or draught by operation of single valves or dampers by temperature sensitive elements using electrical or electromechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00—Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/004—Doors specially adapted for stoves or ranges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B5/00—Combustion-air or flue-gas circulation in or around stoves or ranges
    • F24B5/02—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves
    • F24B5/021—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves combustion-air circulation
    • F24B5/023—Supply of primary air for combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/02—Air or combustion gas valves or dampers
    • F23N2235/06—Air or combustion gas valves or dampers at the air intake

Definitions

  • the invention relates to a combustion chamber door for an oven, in particular tiled oven door, with a door frame and a door leaf, in which an adjustable by a drive closure member for controlling the air supply is arranged.
  • the invention also relates to a furnace with such a combustion chamber door and a method for retrofitting a tiled stove
  • the AT 405 565 B discloses an oven with an adjustable closure member which is disposed in the combustion chamber door or an air supply channel leading into the combustion chamber of the furnace and in operative connection with a temperature sensor which is arranged in the flue pipe of the furnace.
  • the temperature sensor is connected to an electronic control device which controls the closing member via a servo motor as a function of the temperature removed.
  • the opening of the combustion chamber door in the cold state of the furnace causes the control device to open the closure member to 100%.
  • the closure member assumes an intermediate position before it then completely from a certain threshold is closed.
  • the AT 395 475 B discloses a device for controlling the supply of combustion air in an oven with an adjustable by a servomotor closure member, such as a flap. This can be provided in the combustion chamber door or a separately provided air supply. The closure member is actuated in response to a temperature removed in the flue gas line via a control unit. This device serves as those of the former document to suppress the combustion air supply after burning.
  • thermocouples which for this purpose pass after a first section in ordinary copper wires, occur at the contact points thermoelectric voltages, which can falsify the measurement result under certain conditions.
  • the overall arrangement of the system in tiled stoves has a particularly lasting effect. When retrofitting an existing, but also in a newly laid tile stove such a system is complicated to install.
  • an oven door of the type mentioned above in that a control device and a temperature sensor for determining the combustion chamber temperature are integrated in the combustion chamber door, wherein the temperature sensor is connected to the control device and the actuation of the drive takes place via the control device.
  • the entire control system consisting of temperature sensor, control device, drive, preferably a motor, and closure member is integrated in one piece, namely the oven door.
  • a new oven e.g. a tiled stove
  • only the oven door must be placed in the designated opening of the tiled stove, for example, be walled.
  • the power supply itself is also housed in the tiled oven door, for example a battery or a rechargeable battery, preferably accommodated in the same housing as the control device.
  • Fig. 1 shows a tiled stove door 1 according to the invention with a door frame 2, which is bricked in a new building of a tiled stove or when replacing a tiled stove door in the designated opening.
  • the door leaf is arranged pivotable about a substantially vertical axis 4 and in fishing 3 (in Fig. 1 only indicated) stored.
  • a door handle 9 cooperates with a lock 7, which is explained in more detail with reference to FIG. 2.
  • the door leaf itself consists in turn of a door leaf frame 5, which is pivotable about the vertical axis 4 and stored for this purpose on the hinge 3 on personallymauernden door frame 2.
  • a handle 9 can be seen, which merges into a door leaf frame 5 mounted on the latch 7, which engages when pivoting about a horizontal axis in or behind a provided on the door frame 2 pin 8.
  • the tiled stove door 1 As can be seen from FIGS. 4 and 5, a flap 12 is provided on the door leaf frame 5 which can be pivoted about a horizontal axis 10 on the door leaf frame 5 is stored. In the illustrated embodiment, the flap 12 occupies the entire front of the door panel. In order to give the oven operator a look into the fire, the flap 12 is preferably made of transparent material, such as fire-resistant glass.
  • the flap 12 is brought into the closed position by a drive, in this case by a motor 13 which is fixedly connected to the underside of the flap 12 with this, from its open position, which it occupies during the burning.
  • a drive in this case by a motor 13 which is fixedly connected to the underside of the flap 12 with this, from its open position, which it occupies during the burning.
  • outwardly projecting spindle 16 is provided which cooperates with a motor 13 rotated by the rotation nut.
  • batteries, capacitors, as well as an external power supply e.g. via connecting lines to the electrical network.
  • Energy storage 14 and control device 15 can of course also be housed together on a circuit board. Unlike in the illustrated example, they could also be housed within the housing 22 surrounding the motor 13.
  • the orientation of the spindle 16 with respect to the door leaf frame slightly changes during the closing operation, and therefore it has to be supported on the door leaf frame 5 such that some play allows this orientation change, e.g. the spindle 16 could be mounted on the door leaf frame 5 so as to be rotatable about a horizontal axis.
  • the temperature sensor 17 may rest directly on the door frame 2 or protrude slightly projecting from the door frame 2 into the combustion chamber. The fixation of the temperature sensor takes place on the door frame. 2
  • the temperature sensor 17 is arranged on the door leaf frame 5 or on the door leaf itself on the side facing the combustion chamber 18, however, the arrangement on the frame is preferred since the temperature sensor is closer to the combustion chamber. In any case, the temperature sensor 17 remains positioned in the immediate area of the door.
  • Fig. 1 shows the position of the temperature sensor 17 in the middle of the upper area of the frame 2, but this is not visible from the front, since he is on the combustion chamber 18 facing Page is located.
  • the arrangement of the temperature sensor 17 on the upper frame part can also be seen in FIGS. 4 and 5.
  • the course of the temperature sensor lines 19, some of which run behind the frame 2 or partly behind the pane 12, are shown by dashed lines in FIG.
  • the temperature sensor line 19 extends to the lower right frame corner and there passes through an opening through the frame 2.
  • temperature sensor lines 19 are guided in the space between the disc 12 and door leaf frame 5. As can be seen from FIGS. 4 and 5, this space is already below the combustion chamber seal 6. Before the temperature sensor line 19 opens into the control device 15, it is guided once again to the left-hand disk edge and only then via a loop into the control device 15. This clearance is necessary to allow the flap 12 to be opened without tensioning or tearing the conduit 19. In the area of the loop the line is fixed, eg in a groove by means of temperature-resistant silicone. So that the line between flap 12 and door leaf frame 5 is not clamped, it runs continuously along a recess or groove provided for this purpose.
  • a door contact sensor 20 whose sensor line 21 is likewise guided via loops to the control device 15. It is determined by closing an electrical contact, whether the door leaf frame 5 is in the closed position.
  • the control device 15 receives a signal via the door contact sensor 20, according to which the closure member, in the illustrated embodiment, the flap 12 is fully opened.
  • the temperature in the immediate area of the door frame is constantly measured and the absolute values and the time change in the control device 15 are evaluated. The measured values are compared with threshold values and when they are exceeded the control device 15 actuates the motor 13 which closes the closing flap.
  • the invention is not limited to the illustrated embodiment. So it is conceivable, for example, that the flap is hinged in the region of its lower edge and the gap arises when opening the flap in the upper edge. Furthermore, it would be possible that the flap 12 is not pivotable about a horizontal, but about a vertical axis. Also, it is not essential to the invention that the flap occupies the entire front of the stove door, it may also be only part of the front designed as a flap, while another part is immovable.
  • the closure member could also be a displaceable in the plane of the door panel plate which covers an opening in the door leaf during the displacement.
  • the flap 12 itself may in turn be formed from a flap frame 11 and a disc covering the flap frame. It is also conceivable to mount the motor on the door leaf frame 5 and fix the spindle axially fixed to the flap 12, but it is to be regarded as a preferred variant due to temperature considerations, when the engine is as far away from the combustion chamber 18 and as shown in FIG Embodiment protrudes outward.
  • the door or the door leaf itself need not necessarily have a rectangular shape, even polygonal, rounded, circular or oval shapes do not change the principle of the invention.
  • the door panel and optionally the closure member may, instead of being planar, also have a curvature, e.g. in the form of a cylindrical shell cut-out or a dome.
  • the oven door according to the invention separates the area outside the furnace from the combustion chamber in the installed state.
  • the temperature sensor which is integrated in the oven door, serves to determine the combustion chamber temperature or, in other words, the combustion chamber temperature.
  • the drive for the closure member is a motor, because the air supply can be throttled or increased continuously by a simple control.
  • a different type of drive such as a solenoid drive.
  • the invention also includes a method for retrofitting a tiled stove, in which a combustion chamber door according to the invention is introduced into the opening of the tiled stove provided for the combustion chamber door, for example, walled in.
  • a combustion chamber door according to the invention is introduced into the opening of the tiled stove provided for the combustion chamber door, for example, walled in.
  • the old tiled stove door, if any, will be removed first.

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)
  • Control Of Combustion (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
EP07450059A 2006-05-11 2007-03-22 Porte de four Withdrawn EP1855057A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0081406A AT503024B1 (de) 2006-05-11 2006-05-11 Ofentür

Publications (2)

Publication Number Publication Date
EP1855057A2 true EP1855057A2 (fr) 2007-11-14
EP1855057A3 EP1855057A3 (fr) 2008-05-21

Family

ID=38198957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07450059A Withdrawn EP1855057A3 (fr) 2006-05-11 2007-03-22 Porte de four

Country Status (2)

Country Link
EP (1) EP1855057A3 (fr)
AT (1) AT503024B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2166288A1 (fr) 2008-09-23 2010-03-24 Kutzner + Weber GmbH Four à cheminée ouvert

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1412924A (fr) 1964-10-30 1965-10-01 Régulateur de puissance pour appareils de chauffage à combustibles solides
US4169457A (en) 1975-09-22 1979-10-02 Shenandoah Manufacturing Co., Inc. Thermostatically regulated space heaters for burning wood, coal and the like
US4180051A (en) 1978-05-19 1979-12-25 Malleable Iron Range Company Furnace
DE8700678U1 (de) 1987-01-15 1987-03-05 Stachel, Frank-Peter, 6660 Zweibrücken Vorrichtung zur Veränderung der Luftzufuhr von Öfen oder Feuerkassetten mit Sichtfenster
AT395475B (de) 1987-09-23 1993-01-25 Pfisterer Kurt Vorrichtung zur regelung der verbrennungsluftzufuhr bei einem ofen
DE9401949U1 (de) 1993-02-16 1994-03-31 Riener, Karl Stefan, Micheldorf Lüftungsvorrichtung für eine Heizvorrichtung
AT405565B (de) 1998-04-17 1999-09-27 Kaschuetz Ges M B H Vorrichtung zur regelung der verbrennungsluftzufuhr bei einem ofen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT381783B (de) * 1982-10-29 1986-11-25 Windhager Ohg Anton Heizkessel fuer feste brennstoffe, insbesondere etagenheizkessel
DE8617383U1 (de) * 1986-06-28 1987-01-15 Luck, Karl-Heinz, 3000 Hannover Warmluftheizgerät
AT390832B (de) * 1987-03-16 1990-07-10 Kloss Erich Kachelgrundofen
DE102004002898A1 (de) * 2004-01-20 2005-08-18 Stolzlechner, Erwin, St. Johann Automatische Schließeinrichtung für eine Ofentür

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1412924A (fr) 1964-10-30 1965-10-01 Régulateur de puissance pour appareils de chauffage à combustibles solides
US4169457A (en) 1975-09-22 1979-10-02 Shenandoah Manufacturing Co., Inc. Thermostatically regulated space heaters for burning wood, coal and the like
US4180051A (en) 1978-05-19 1979-12-25 Malleable Iron Range Company Furnace
DE8700678U1 (de) 1987-01-15 1987-03-05 Stachel, Frank-Peter, 6660 Zweibrücken Vorrichtung zur Veränderung der Luftzufuhr von Öfen oder Feuerkassetten mit Sichtfenster
AT395475B (de) 1987-09-23 1993-01-25 Pfisterer Kurt Vorrichtung zur regelung der verbrennungsluftzufuhr bei einem ofen
DE9401949U1 (de) 1993-02-16 1994-03-31 Riener, Karl Stefan, Micheldorf Lüftungsvorrichtung für eine Heizvorrichtung
AT405565B (de) 1998-04-17 1999-09-27 Kaschuetz Ges M B H Vorrichtung zur regelung der verbrennungsluftzufuhr bei einem ofen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2166288A1 (fr) 2008-09-23 2010-03-24 Kutzner + Weber GmbH Four à cheminée ouvert

Also Published As

Publication number Publication date
EP1855057A3 (fr) 2008-05-21
AT503024B1 (de) 2007-07-15
AT503024A4 (de) 2007-07-15

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