EP1505344A2 - Dispositif électrique pour l'arrêt d'une flamme de plaque chauffante à gaz - Google Patents

Dispositif électrique pour l'arrêt d'une flamme de plaque chauffante à gaz Download PDF

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Publication number
EP1505344A2
EP1505344A2 EP04012387A EP04012387A EP1505344A2 EP 1505344 A2 EP1505344 A2 EP 1505344A2 EP 04012387 A EP04012387 A EP 04012387A EP 04012387 A EP04012387 A EP 04012387A EP 1505344 A2 EP1505344 A2 EP 1505344A2
Authority
EP
European Patent Office
Prior art keywords
switching
thermocouple
time
gas
solenoid valve
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.)
Granted
Application number
EP04012387A
Other languages
German (de)
English (en)
Other versions
EP1505344A3 (fr
EP1505344B1 (fr
Inventor
Klaus Anders
Bernhard Weinmann
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.)
Siebe Appliance Controls GmbH
Original Assignee
Siebe Appliance Controls 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 Siebe Appliance Controls GmbH filed Critical Siebe Appliance Controls GmbH
Priority to PL04012387T priority Critical patent/PL1505344T3/pl
Priority to SI200432175T priority patent/SI1505344T1/sl
Publication of EP1505344A2 publication Critical patent/EP1505344A2/fr
Publication of EP1505344A3 publication Critical patent/EP1505344A3/fr
Application granted granted Critical
Publication of EP1505344B1 publication Critical patent/EP1505344B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/20—Systems for controlling combustion with a time program acting through electrical means, e.g. using time-delay relays
    • F23N5/203—Systems for controlling combustion with a time program acting through electrical means, e.g. using time-delay relays using electronic means
    • 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
    • F23N5/102—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
    • F23N5/242—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q9/00—Pilot flame igniters
    • F23Q9/08—Pilot flame igniters with interlock with main fuel supply
    • F23Q9/12—Pilot flame igniters with interlock with main fuel supply to permit the supply to the main burner in dependence upon existence of pilot flame
    • F23Q9/14—Pilot flame igniters with interlock with main fuel supply to permit the supply to the main burner in dependence upon existence of pilot flame using electric means, e.g. by light-sensitive elements
    • 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
    • F23N2223/26—Timing network with capacitors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2231/00—Fail safe
    • F23N2231/06—Fail safe for flame failures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2231/00—Fail safe
    • F23N2231/30—Representation of working time
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/22—Fuel valves cooperating with magnets
    • 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

Definitions

  • the invention relates to a device for electrically controlled Turning off the gas flame of a burner, the over a solenoid valve combustible gas is supplied, wherein the Solenoid of the solenoid valve powered by a thermocouple and the solenoid valve is heated by the gas flame Thermocouple is held in the open position.
  • thermocouples powers the solenoid with electricity. This thermocouple is to be monitored by the Heated gas flame. After the flame a few seconds the Thermocouple has heated, is the thermo-current of the thermocouple high enough to close the magnetic circuit hold and hold the gas valve in the open position. goes out the flame by overcooking food, wind or the like, the thermo-current of the thermocouple decreases and the Valve drops or closes automatically and remains also in the closed position.
  • thermo-current of the thermocouple via a relay.
  • the thermal current is opened by opening the relay contact interrupted and the gas valve closes.
  • the additional contact resistance and residual stresses, which in the thermal circuit through the wiring and the timer are brought.
  • These "Loss voltages” must be due to a higher thermoelectric voltage be compensated, but only after a long heat-up is reached. As a result, the valve longer manually held in the open position, what makes the system less attractive for everyday use.
  • the reliability of the system suffers Dirt on the relay contacts. Prevent contamination also the permanent keeping open of the valve.
  • An object of the present invention is to provide a Device for the electrically controlled switching off of the gas flame to create a combustion station without a relay or without mechanically moving parts.
  • This object is achieved in that a Switching device for feeding a sloping solenoid valve in the closed position causing compensation current in the thermal circuit of the thermocouple connected Magnet coil is provided.
  • the advantages of the solution according to the invention are in particular in that the sensitive thermostatic circuit turns off is not interrupted and that no too dirty tilting mechanically movable parts are required. at the inventive solution of a shutdown by means of a Compensation current becomes technically and electrically uncritical Parallel connection to the thermocircle near the Solenoid valve created.
  • a compensating current delivering Storage capacitor provided. Because the compensation current only has to flow during the fraction of a second, to drop the magnetic circuit forms a capacitor a cost-effective and much simpler solution, for example opposite a power supply.
  • the storage capacitor is via the switching device with connected to the thermal circuit and can also be used at several Thermostrom Vietnamese over several switching devices with a corresponding number of Thermostrom Vietnameseen be connected.
  • the storage capacitor is expediently with a charging device, in particular connected to a charging resistor be who ensures that the storage capacitor constantly loaded.
  • the switching device is preferably as electrically controllable Switch, in particular semiconductor switch formed.
  • the switching device is characterized by a Timer can be controlled to program shutdown times can.
  • This timer can be several if necessary independent time programs for switching a plurality of switching devices have for several burners.
  • the timer can also be a safety device for Switching off all gas flames after a predefinable maximum time for example, have 3 hours. Time will be there chosen so that it is longer than a typical burning time, for example, a gas stove. After expiration of Safety time all gas flames are shut down for safety's sake.
  • a thermal circuit 10 consists of a thermocouple 11, which is connected to the solenoid coil 12 of a solenoid valve 13 is.
  • a combustible gas leading gas line 14 leads to a focal point 15, for example, the focal point of a Stove or a baking oven.
  • the solenoid valve 13 is in the Gas line 14 connected, wherein a valve member 16 for shutting off and opening the gas line 14 is provided.
  • the gas line 14 is at rest Valve member 16 by means of a manual actuator 17 pressed into the open position, so that gas to Burner 15 can flow.
  • a manual actuator 17 pressed into the open position, so that gas to Burner 15 can flow.
  • This is done by means of a lighter ignited, so that a gas flame 18 is formed.
  • These Gas flame 18 heats the in a correspondingly close spatial arrangement attached thermocouple 11, so this one Thermostom generated by the solenoid coil 12 of the solenoid valve 13 flows.
  • This thermo-current becomes the solenoid valve 13 and the valve member 16 held in the open position, so that the manual actuator 17 is now released can be.
  • This drop can by means of a not shown Spring and / or caused by gravity.
  • a timer 19 includes a capacitor 20, which with Help of a charging resistor 21 constantly in the charged state is held.
  • This capacitor 20 is connected via a Switch 22, for example, a semiconductor switch, parallel connected to the thermocouple 11 and to the solenoid coil 12.
  • the switch 22 can via a non-illustrated Time circuit are closed, with off times Ta are programmable. If a switch-off time Ta is reached, so closes the switch 22, causing a temporary compensation current is taken from the capacitor, which in the Thermostrom Vietnamese 10 is fed so that it the thermo-current counteracts. As a result, the solenoid valve 13 drops and the valve member 16 closes the gas line 14.
  • Nach subsequently opened switch 22 is the thermo-current of the thermocouple 11 is no longer capable of the solenoid valve 13 to open.
  • the capacitor 20 is via another, also timed Switch 23 with a further thermal circuit 24th connected, which is not shown in detail in Figure 1, but only in Figure 2.
  • the timer 19 is shown in the outer view. It has next to a display 27 for playback the time and the shutdown times to be set five Timing buttons 28 to 32 for setting the desired Shutdown times for five burners or five thermo circuits and a common time reset button 33, which is for Correction of the shutdown time to be set forwards by a the time presentation keys 28 to 32 is used.
  • a display 27 for playback the time and the shutdown times to be set five Timing buttons 28 to 32 for setting the desired Shutdown times for five burners or five thermo circuits and a common time reset button 33, which is for Correction of the shutdown time to be set forwards by a the time presentation keys 28 to 32 is used.
  • a common time reset button 33 which is for Correction of the shutdown time to be set forwards by a the time presentation keys 28 to 32 is used.
  • time reset buttons 33 or the time adjustment is made according to one of several known Methods for setting switching times.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Combustion (AREA)
EP04012387.9A 2003-08-02 2004-05-26 Dispositif électrique pour l'arrêt d'une flamme de plaque chauffante faisant partie d'un ensemble de plusieurs plaques chauffantes à gaz Expired - Lifetime EP1505344B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL04012387T PL1505344T3 (pl) 2003-08-02 2004-05-26 Urządzenie do sterowanego elektrycznie wyłączania płomienia gazowego jednego z kilku stanowisk palnych
SI200432175T SI1505344T1 (sl) 2003-08-02 2004-05-26 Naprava za električno krmiljeno izklapljanje plinskega plamena enega od več gorilnih mest

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10335465A DE10335465A1 (de) 2003-08-02 2003-08-02 Vorrichtung zum elektrisch gesteuerten Abschalten der Gasflamme einer Brennstelle
DE10335465 2003-08-02

Publications (3)

Publication Number Publication Date
EP1505344A2 true EP1505344A2 (fr) 2005-02-09
EP1505344A3 EP1505344A3 (fr) 2010-06-02
EP1505344B1 EP1505344B1 (fr) 2014-04-30

Family

ID=33547053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04012387.9A Expired - Lifetime EP1505344B1 (fr) 2003-08-02 2004-05-26 Dispositif électrique pour l'arrêt d'une flamme de plaque chauffante faisant partie d'un ensemble de plusieurs plaques chauffantes à gaz

Country Status (5)

Country Link
EP (1) EP1505344B1 (fr)
DE (1) DE10335465A1 (fr)
ES (1) ES2485843T3 (fr)
PL (1) PL1505344T3 (fr)
SI (1) SI1505344T1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2004917C2 (en) * 2010-06-18 2011-12-20 Intell Properties B V Device and method for electrically controlled turning off of a gas flame of a gas hob.
IT201700017422A1 (it) * 2017-02-16 2018-08-16 Vanni Gallocchio Dispositivo di sicurezza per bruciatori a gas di fornelli, cucine e piani cottura in genere

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62293016A (ja) 1986-06-11 1987-12-19 Matsushita Electric Ind Co Ltd 時限装置付ガス器具
EP1113227A2 (fr) 1999-12-16 2001-07-04 Whirlpool Corporation Dispositif d'allumage rapide d'un brûleur de cuisson à gaz avec soupape de sécurité à solénoide

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1098811A (en) * 1963-07-19 1968-01-10 Seemark Switches Ltd Improvements in timers or safety cut-outs for fuel-burning appliances
DE1233793B (de) * 1964-05-27 1967-02-09 Krefft Aktien Ges W Einrichtung zum Sichern von Gasbrennern von Gasgeraeten
JPH0292450A (ja) * 1988-09-30 1990-04-03 Nok Corp 成形品から型を除去する方法および誘導加熱式型除去装置
IT1283738B1 (it) * 1996-04-15 1998-04-30 Whirpool Europ S R L Apparecchio funzionante a gas per il riscaldamento e/o cottura di alimenti e simili
JP3693196B2 (ja) * 1996-05-24 2005-09-07 パロマ工業株式会社 ガス調理器
KR200191106Y1 (ko) * 2000-02-29 2000-08-16 최영규 전자식 타이머에 의한 개방시간이 조절가능한 밸브 조립체
US20020073985A1 (en) * 2000-12-18 2002-06-20 Bsh Home Appliances Corporation Pulsed sequence burner control with valve

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62293016A (ja) 1986-06-11 1987-12-19 Matsushita Electric Ind Co Ltd 時限装置付ガス器具
EP1113227A2 (fr) 1999-12-16 2001-07-04 Whirlpool Corporation Dispositif d'allumage rapide d'un brûleur de cuisson à gaz avec soupape de sécurité à solénoide

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2004917C2 (en) * 2010-06-18 2011-12-20 Intell Properties B V Device and method for electrically controlled turning off of a gas flame of a gas hob.
IT201700017422A1 (it) * 2017-02-16 2018-08-16 Vanni Gallocchio Dispositivo di sicurezza per bruciatori a gas di fornelli, cucine e piani cottura in genere
WO2018150349A1 (fr) * 2017-02-16 2018-08-23 Fioranzato Diego Dispositif de sécurité pour brûleurs à gaz de poêles, cuisinières et plaques de cuisson en général

Also Published As

Publication number Publication date
EP1505344A3 (fr) 2010-06-02
PL1505344T3 (pl) 2014-09-30
DE10335465A1 (de) 2005-03-03
ES2485843T3 (es) 2014-08-14
SI1505344T1 (sl) 2014-08-29
EP1505344B1 (fr) 2014-04-30

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