EP1241410B1 - Dispositif d'alimentation en gaz pour un chauffe-eau à gaz - Google Patents

Dispositif d'alimentation en gaz pour un chauffe-eau à gaz Download PDF

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Publication number
EP1241410B1
EP1241410B1 EP01130049A EP01130049A EP1241410B1 EP 1241410 B1 EP1241410 B1 EP 1241410B1 EP 01130049 A EP01130049 A EP 01130049A EP 01130049 A EP01130049 A EP 01130049A EP 1241410 B1 EP1241410 B1 EP 1241410B1
Authority
EP
European Patent Office
Prior art keywords
gas
solenoid valve
valve
water heater
ignition
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
Application number
EP01130049A
Other languages
German (de)
English (en)
Other versions
EP1241410A2 (fr
EP1241410A3 (fr
Inventor
Mario Pais De Sousa
Manfred Seebauer
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1241410A2 publication Critical patent/EP1241410A2/fr
Publication of EP1241410A3 publication Critical patent/EP1241410A3/fr
Application granted granted Critical
Publication of EP1241410B1 publication Critical patent/EP1241410B1/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
    • F23N1/00—Regulating fuel supply
    • F23N1/08—Regulating fuel supply conjointly with another medium, e.g. boiler water
    • F23N1/087—Regulating fuel supply conjointly with another medium, e.g. boiler water using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/20—Systems for controlling combustion with a time programme acting through electrical means, e.g. using time-delay relays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2227/00—Ignition or checking
    • F23N2227/22—Pilot burners
    • 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
    • F23N2235/14—Fuel valves electromagnetically operated

Definitions

  • Another type of gas supply provides diaphragm systems that are pneumatically controlled. By slow opening of the controlled servo valves, the amount of gas supplied is steadily increased, so that the full amount of gas is not yet available for ignition. These diaphragm valves require a lot of space and are also quite expensive.
  • JP 56 071714 contains a device for supplying gas in a gas water heater with a gas burner with flame monitoring, which has a valve arrangement in the supply line to the gas burner, which is controllable at the initiation of the operation of the gas burner in the open position, in which the valve assembly a first solenoid valve for a Zündgasmenge and second solenoid valve for a quantity of operating gas and the first solenoid valve with the initiation of the ignition and the second solenoid valve with the response of the flame monitoring are controlled in the open position.
  • a similar arrangement is further known from JP 61 022122.
  • valve arrangement has a first solenoid valve for a Zündgasmenge and a second solenoid valve for a quantity of operating gas and that the first solenoid valve with the initiation of the ignition and the second solenoid valve with the response of the flame monitoring can be controlled in the open position ,
  • the mode of operation can once be such that with the activation of the second solenoid valve, the control of the first solenoid valve can be switched off.
  • valve arrangement is extended so that the first solenoid valve is associated with an adjusting device with which the Zündgasmenge is adjustable, then the Zündgasmenge can be adjusted so that a low-noise, reliable ignition is ensured over all burner tubes of the gas burner.
  • the passage cross-section is changed by the first solenoid valve with the adjusting device.
  • a gas water heater eg instantaneous water heater, has a gas burner 50, to which an ignition device and a flame monitor, for example with an ionization electrode, are assigned and equipped with a control circuit for commissioning the device. This need not be discussed in more detail in the context of this invention, since these devices and their mode of operation in the various embodiments belong to the prior art.
  • the conditions during the ignition process are of crucial importance, in particular what has to do in connection with the supply of the gas during this phase of the operation.
  • the z. B. may be formed as a membrane switch.
  • the gas stream 11 will fill a chamber 14 in the housing 10 of the gas supply.
  • the ignition device of the gas burner 50 is activated and a first solenoid valve 17 is activated, as the control command 21 indicates.
  • the first solenoid valve 17 releases a passage 16, the cross section of which can be changed with an adjusting device 20 and adjusted so that a predetermined ignition gas flow can reach the following line section 15 of the gas supply and can reach the gas burner 50 from there.
  • the Zündgasmenge is adjustable so that a secure ignition is guaranteed at all burner tubes of the gas burner 50.
  • the flame monitoring outputs a signal 22, which indicates this and causes the activation of the second solenoid valve 19.
  • the full gas flow 11 will pass through the chamber 14 in the line section 15.
  • the first solenoid valve 17 can remain open or be closed with the activation of the second solenoid valve 19. Are the passages 16 and 18 in the total cross section of the feed cross section of the gas stream 11 equal, then it can increase the gas flow from the Chamber 15 can be effected when the first solenoid valve 17 is energized during operation, ie after ignition.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)

Claims (3)

  1. Dispositif pour introduire du gaz dans un chauffe-eau à gaz comportant un brûleur à gaz avec surveillance de la flamme, qui présente dans la conduite d'introduction allant vers le brûleur à gaz un dispositif de soupape, lequel peut être commandé à la position d'ouverture au commencement du fonctionnement du brûleur à gaz et présente une première vanne magnétique (17) pour une quantité de gaz d'allumage et une deuxième vanne magnétique (19) pour une quantité de gaz de fonctionnement, moyennant quoi la première vanne magnétique (17) peut être commandée à la position d'ouverture au commencement (21) de l'allumage et la deuxième vanne magnétique (19) peut être commandée à la position d'ouverture au démarrage (22) de la surveillance de la flamme,
    caractérisé en ce que le dispositif d'introduction de gaz présente une chambre (14), qui mène au brûleur à gaz (50) en passant par la première et la deuxième vanne magnétique (17 et 19) et dans laquelle du gaz peut être introduit par l'intermédiaire d'une vanne d'eau (13) commandée par la diminution (12) de l'eau dans le chauffe-eau à gaz.
  2. Dispositif selon la revendication 1, caractérisé en ce que les vannes magnétiques (17,19) aboutissent à une portion de conduite (15), à laquelle est associée une soupape de régulation de puissance (30) réglable manuellement.
  3. Dispositif selon les revendications 1 ou 2, caractérisé en ce que un dispositif de réglage (40), au moyen duquel une quantité nominale de gaz exacte peut être réglée, est disposé après la soupape de régulation de puissance (30) et est coordonné au brûleur à gaz (50).
EP01130049A 2001-03-16 2001-12-18 Dispositif d'alimentation en gaz pour un chauffe-eau à gaz Expired - Lifetime EP1241410B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10112667 2001-03-16
DE10112667A DE10112667C2 (de) 2001-03-16 2001-03-16 Vorrichtung zum Zuführen von Gas bei einem Gas-Wassererhitzer

Publications (3)

Publication Number Publication Date
EP1241410A2 EP1241410A2 (fr) 2002-09-18
EP1241410A3 EP1241410A3 (fr) 2004-05-06
EP1241410B1 true EP1241410B1 (fr) 2006-12-27

Family

ID=7677700

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01130049A Expired - Lifetime EP1241410B1 (fr) 2001-03-16 2001-12-18 Dispositif d'alimentation en gaz pour un chauffe-eau à gaz

Country Status (4)

Country Link
EP (1) EP1241410B1 (fr)
DE (2) DE10112667C2 (fr)
ES (1) ES2276740T3 (fr)
PT (1) PT1241410E (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100406813C (zh) * 2004-09-02 2008-07-30 保音股份有限公司 电磁阀控制装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5671714A (en) * 1979-11-12 1981-06-15 Matsushita Electric Ind Co Ltd Combustion controlling apparatus
DE3011544C2 (de) * 1980-03-22 1983-05-19 Joh. Vaillant Gmbh U. Co, 5630 Remscheid Steuerung der Brennstoff- und Luftzufuhr zu einer brennstoffbeheizten Wärmequelle
EP0111609B1 (fr) * 1982-12-14 1987-09-23 Centre D'etude Et De Realisations D'equipement Et De Materiel (C.E.R.E.M.) S.A.R.L. Système d'allumage et d'alimentation de radiateurs à gaz
JPS6122122A (ja) * 1984-07-09 1986-01-30 Matsushita Electric Ind Co Ltd ガス燃焼装置
JPH0776613B2 (ja) * 1986-07-16 1995-08-16 松下電器産業株式会社 コンロ
DE19650445C1 (de) * 1996-12-05 1998-06-04 Jci Regelungstechnik Gmbh Gas-Stellgerät
EP0978688A3 (fr) * 1998-08-04 2003-01-02 Robert Bosch Gmbh Armature à gaz avec une soupape de commande et une soupape de démarrage
DE20002223U1 (de) * 2000-02-08 2000-03-30 Huang, Chun-Cheng, Sanchung, Taipeh Magnetventil und Steuerkreis für gasbeheizten Heißwasserbereiter

Also Published As

Publication number Publication date
DE10112667C2 (de) 2003-11-27
DE10112667A1 (de) 2002-10-02
ES2276740T3 (es) 2007-07-01
EP1241410A2 (fr) 2002-09-18
DE50111729D1 (de) 2007-02-08
PT1241410E (pt) 2007-02-28
EP1241410A3 (fr) 2004-05-06

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