EP0686811B1 - Einrichtung zur Programmierung für ein Haushaltgaskochgerät - Google Patents
Einrichtung zur Programmierung für ein Haushaltgaskochgerät Download PDFInfo
- Publication number
- EP0686811B1 EP0686811B1 EP95107188A EP95107188A EP0686811B1 EP 0686811 B1 EP0686811 B1 EP 0686811B1 EP 95107188 A EP95107188 A EP 95107188A EP 95107188 A EP95107188 A EP 95107188A EP 0686811 B1 EP0686811 B1 EP 0686811B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- programming
- programming system
- burner
- safety means
- safety
- 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.)
- Expired - Lifetime
Links
Images
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
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/10—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
- F23N5/105—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples using electrical or electromechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2223/00—Signal processing; Details thereof
- F23N2223/22—Timing network
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2237/00—Controlling
- F23N2237/02—Controlling two or more burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2241/00—Applications
- F23N2241/08—Household apparatus
Definitions
- the present invention refers to a programming system for switching off a domestic gas cooking appliance according to the preamble of the appended claim 1.
- a programming system is shown in FR-A-1585 417.
- domestic cooking appliances are equipped by law with a safety system for the oven and for the grill, which consists in the interruption of the gas supply in cases of flame loss.
- safety systems are also provided which provide a coaxial tap with a mechanical timer which is loaded and, after an established amount of time automatically returns to the position of gas flow closure.
- the aim of the present invention is that of indicating a programming system for switching off a domestic gas cooking appliance, that overcomes the drawbacks of the known systems with means being both simple and readily available on the market.
- the present invention has as its subject a programming system according to the preamble of the appended claim 1 and having the features as set forth in the characterising portion of said claim 1.
- reference number 1 indicates a two-way thermostat with safety means (for each way) for controlling the temperature, both of the oven function and of the grill function.
- the two-way thermostat 1 is connected to the gas tap; such tap, is made so as that, when the passage of the gas towards the oven is opened, automatically the passage of the gas towards the grill remains closed, and the same thing also takes place in the opposite sense when it is desired to use the grill.
- Reference number 2 indicates a thermocouple that detects the presence of a flame of the oven burner
- number 3 indicates a thermocouple that detects the presence of a flame of the grill
- an electric timer is indicated with single-pole interruption. Therefore to the single pole, both the ways relative to the thermocouple 2 and the thermocouple 3 can be connected without interference, being as that when the thermocouple 2 is active, the thermocouple 3 is disabled. This is possible, as previously mentioned, because the gas tap is made in a manner to be capable of supplying only one or the other of the two burners.
- the safety function inserted in the thermostat is obtained by a magnet supplied by a current produced by the flame detection thermocouple, when it is heated by the flame of the burner. Upon turning off the flame, the supply current to the magnet ends, which becoming deenergized, closes the gas flow.
- the thermocouples 2 and 3 are connected to the thermostat through the electric timer 4.
- the timer 4 operates as an electric switch that can interrupt or electrically connect the thermocouples 2 and 3 to the respective safety means of the thermostat 1.
- the timer is provided with various operational positions and more precisely:
- figure 2 that represents a schematic diagram of an embodiment of the programming system for switching off a burner of a cooking hob or a burner of an oven
- number 5 indicates a one-way thermostat with safety means for the burner of the oven
- number 6 a tap with safety means is indicated for a burner of the cooking hob
- numbers 7 and 8 flame detection thermocouples are indicated respectively of the oven and of the burner of the cooking hob
- an electric timer is indicated with a two-pole interruption, i.e. the thermocouples 7 and 8 are connected to two different poles.
- the timer 9 is provided with three operational positions being identical to those described for the timer 4, i.e.:
- Number 10 indicates a switch which is used for establishing the operation of the function which is desired to be used and the way in which it is to be used. With 10a the arrangement is indicated of the switch 10 for the manual operation of both burners, thus the timer 9 is excluded; 10b indicates the arrangement for the programmed operation of the burner of the cooking hob and manual of the oven; 10c indicates the arrangement for the programmed functioning of the oven and manual of the cooking hob.
- the operation is identical to that previously described for the programming of the oven or of the grill, i.e. the interruption is programmed of the current to the magnet of the safety means of the thermostat or tap, and as a consequence the closure of the gas flow, by way of the electric timer 9.
- the programming system for switching off a gas cooking appliance has the following advantages:
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
Claims (14)
- Programmiersystem zum Ausschalten eines Brenners eines Gaskochgerätes für den Haushalt, das mehrere Kochfunktionen, wie beispielsweise das Ofenbacken, das Grillen, das Kochen, bereitstellt, enthaltend alle bekannten Elemente für seinen Betrieb, darunterzumindest zwei Brenner,erste Sicherheitsmittel (2, 3; 7, 8), die in der Lage sind, das Vorhandensein einer Flamme am jeweiligen Brenner zu erfassen,zweite Sicherheitsmittel (1; 5, 6), die in der Lage sind, bei dem durch die ersten Sicherheitsmittel (2, 3; 7, 8) erfaßten Nichtvorhandensein der Flamme eine Leitung abzusperren, die den Brenner mit Gas versorgt,Programmiermittel (4; 9) für die Zeitprogrammierung des Ausschaltens eines Brenners durch Unterbrechen eines elektrischen Stromes, der den zweiten Sicherheitsmitteln (1; 5, 6) zugeführt wird, undAuswahlmittel (4; 9, 10) zum Auswählen und/oder Programmieren einer gewünschten Kochfunktion aus mehreren möglichen Funktionen,daß die ersten Sicherheitsmittel (2, 3; 7, 8) ein Thermoelement (2, 3; 7, 8) enthalten, das mit zumindest einem der Brenner verbunden ist, um in Erwiderung auf das Vorhandensein einer Flamme den elektrischen Strom zu erzeugen,daß die zweiten Sicherheitsmittel elektrisch betriebene Absperrmittel (1; 5, 6) aufweisen, denen der elektrische Strom zugeführt wird, welcher durch die ersten Sicherheitsmittel (2, 3; 7, 8) erzeugt wird, unddaß die Programmiermittel (4; 9) den elektrischen Stromfluß zwischen dem Thermoelement (2, 3; 7, 8) und den elektrisch betriebenen Absperrmitteln (1; 5, 6), die mit diesem verbunden sind, unterbrechen, sobald die durch die Programmiermittel (4; 9) programmierte Zeit verstrichen ist.
- Programmiersystem nach Anspruch 1,
dadurch gekennzeichnet, daß die Auswahlmittel (4; 9, 10) zum Auswählen eines hinsichtlich der Zeit zu programmierenden Brenners vorgesehen sind. - Programmiersystem nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß die Auswahlmittel (4; 9, 10) unterschiedliche Arbeitspositionen aufweisen, wobei eine Position vorhanden ist, in der alle Brenner im manuellen Modus, d.h. ohne Zeitprogrammierung betrieben werden können. - Programmiersystem nach zumindest einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß die Auswahlmittel (4; 9, 10) unterschiedliche Arbeitspositionen aufweisen, wobei eine Position vorgesehen ist, in der sämtliche ersten Sicherheitsmittel (2, 3; 7, 8), die mit den einzelnen Brennern verbunden sind, elektrisch getrennt von den entsprechenden zweiten Sicherheitsmitteln (1; 5, 6) gehalten werden, insbesondere zum Ausschließen des Betriebes der Kochfunktionen und zur Schaffung einer zusätzlichen Sicherheit. - Programmiersystem nach Anspruch 3,
dadurch gekennzeichnet, daß die Auswahlmittel durch die Programmiermittel (4) gebildet sind. - Programmiersystem nach Anspruch 3,
dadurch gekennzeichnet, daß die Auswahlmittel die Programmiermittel (9) sowie einen elektrischen Schalter (10) enthalten. - Programmiersystem nach Anspruch 1,
dadurch gekennzeichnet, daß die Programmiermittel (4; 9) einen elektrischen Zeitgeber mit Einpolunterbrechung (4) enthalten. - Programmiersystem nach Anspruch 1,
dadurch gekennzeichnet, daß die Programmiermittel (4; 9) einen elektrischen Zeitgeber mit einer Zweipolunterbrechung (9) aufweisen. - Programmiersystem nach einem oder mehreren der vorstehenden Ansprüche,
dadurch gekennzeichnet, daß die zweiten Sicherheitsmittel zumindest einen Magneten enthalten, der in einem Thermostat (1 ; 5) vorgesehen ist. - Programmiersystem nach Anspruch 9,
dadurch gekennzeichnet, daß der Thermostat (1; 5) ein Zweiwege-Thermostat (1) ist. - Programmiersystem nach einem oder mehreren der vorstehenden Ansprüche,
dadurch gekennzeichnet, daß die zweiten Sicherheitsmittel zumindest einen Magneten aufweisen, der in einem Gashahn (6) enthalten ist. - Programmiersystem nach Anspruch 1,
dadurch gekennzeichnet, daß beide Brenner in einem Ofen enthalten sind. - Programmiersystem nach Anspruch 12,
dadurch gekennzeichnet, daß ein einzelner Gashahn zum abwechselnden Zuführen von Gas zu den Brennern vorgesehen ist. - Programmiersystem nach Anspruch 1,
dadurch gekennzeichnet, daß einer der Brenner in einem Ofen und der andere in einer Kochstelle enthalten ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO940384A IT1273197B (it) | 1994-05-12 | 1994-05-12 | Sistema di programmazione dello spegnimento di un apparecchio di cottura a gas per uso domestico |
ITTO940384 | 1994-05-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0686811A2 EP0686811A2 (de) | 1995-12-13 |
EP0686811A3 EP0686811A3 (de) | 1996-01-24 |
EP0686811B1 true EP0686811B1 (de) | 1999-09-29 |
Family
ID=11412524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95107188A Expired - Lifetime EP0686811B1 (de) | 1994-05-12 | 1995-05-11 | Einrichtung zur Programmierung für ein Haushaltgaskochgerät |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0686811B1 (de) |
DE (1) | DE69512466T2 (de) |
ES (1) | ES2138106T3 (de) |
IT (1) | IT1273197B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19725921A1 (de) * | 1997-06-19 | 1998-12-24 | Diehl Stiftung & Co | Steuereinrichtung für Gasbrenner |
ITTO20110776A1 (it) * | 2011-08-25 | 2013-02-26 | Indesit Co Spa | Apparecchio di cottura a gas con sicurezza |
WO2023175218A1 (es) | 2022-03-17 | 2023-09-21 | Orkli, S.Coop. | Aparato de gas con un sistema de control de temperatura |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2578717A (en) * | 1950-05-23 | 1951-12-18 | Tappan Stove Co | Burner control mechanism |
US3584197A (en) * | 1968-06-20 | 1971-06-08 | Richard Davis Grayson | Range control system |
FR1585417A (de) * | 1968-07-09 | 1970-01-23 | ||
GB2196150A (en) * | 1986-09-22 | 1988-04-20 | Sum Pang | Gas burner control |
-
1994
- 1994-05-12 IT ITTO940384A patent/IT1273197B/it active IP Right Grant
-
1995
- 1995-05-11 ES ES95107188T patent/ES2138106T3/es not_active Expired - Lifetime
- 1995-05-11 DE DE69512466T patent/DE69512466T2/de not_active Expired - Fee Related
- 1995-05-11 EP EP95107188A patent/EP0686811B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ITTO940384A1 (it) | 1995-11-12 |
DE69512466T2 (de) | 2000-05-11 |
ES2138106T3 (es) | 2000-01-01 |
ITTO940384A0 (it) | 1994-05-12 |
DE69512466D1 (de) | 1999-11-04 |
EP0686811A2 (de) | 1995-12-13 |
EP0686811A3 (de) | 1996-01-24 |
IT1273197B (it) | 1997-07-07 |
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