EP1084369B1 - Systeme de regulation pour bruleur a gaz - Google Patents

Systeme de regulation pour bruleur a gaz Download PDF

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Publication number
EP1084369B1
EP1084369B1 EP99955316A EP99955316A EP1084369B1 EP 1084369 B1 EP1084369 B1 EP 1084369B1 EP 99955316 A EP99955316 A EP 99955316A EP 99955316 A EP99955316 A EP 99955316A EP 1084369 B1 EP1084369 B1 EP 1084369B1
Authority
EP
European Patent Office
Prior art keywords
gas
line
combustion air
flow
sensor
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
EP99955316A
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German (de)
English (en)
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EP1084369A1 (fr
Inventor
Enno Vrolijk
Tom Gerretsen
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.)
Garrett Motion SARL
Original Assignee
Honeywell BV
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Filing date
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Application filed by Honeywell BV filed Critical Honeywell BV
Publication of EP1084369A1 publication Critical patent/EP1084369A1/fr
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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
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N5/184—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/02—Regulating fuel supply conjointly with air supply
    • F23N1/022—Regulating fuel supply conjointly with air supply 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
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N5/188—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel 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
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N2005/181—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using detectors sensitive to rate of flow of air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/04—Measuring pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2227/00—Ignition or checking
    • F23N2227/02—Starting or ignition cycles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2233/00—Ventilators
    • 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
    • F23N2235/16—Fuel valves variable flow or proportional valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2900/00—Special features of, or arrangements for controlling combustion
    • F23N2900/05181—Controlling air to fuel ratio by using a single differential pressure detector
    • 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

Definitions

  • the invention relates to a control device for gas burners according to the preamble of Claim 1.
  • Such a control device is in each case from the JP 60 029516 A and JP 60 000 211 A known.
  • Control devices for gas burners serve to provide a gas / air mixture, that is, supplying a gas flow and a combustion air flow to a burner.
  • the gas flow through a gas valve is dependent on the combustion air pressure adjustable.
  • Control devices for gas burners of the above type are known from the prior art, for. B. EP 0 390 964 A1, well known.
  • the pressure is determined by means of a membrane, ie pneumatically.
  • the gas flow is regulated by the gas valve.
  • this pneumatic path has a variety of disadvantages, all of them restrict the scope of known control devices. That's how they limit you Hysteresis characteristics of the membrane and that between the membrane and the gas valve acting forces the work area and thus the scope.
  • the present invention is based on the problem, a To provide control device for gas burners, which avoids the above disadvantages and thus has a wider scope.
  • the present invention relates to control devices for gas burners.
  • One not shown Burner should be supplied to a gas / air mixture.
  • a first line 10 is provided, the the gas flow leads to the burner.
  • the first line 10 is associated with a gas valve 11.
  • the second line 12 thus leads the combustion air flow to the burner.
  • the second line 12 is associated with a blower 13.
  • the speed of the Blower 13 determines the combustion air pressure and thus the combustion air flow.
  • an aperture or throttle 14 is arranged within the combustion air flow contacting second conduit 12.
  • the first line 10 leading to the gas flow opens into Flow direction of the combustion air behind the throttle point 14 in the Combustion air flow leading second line 12.
  • a gas nozzle 15 closes the first Line 10 in the region of the second line 12 from. In the flow direction behind the Gas nozzle 15 is therefore present before a gas / air mixture.
  • the gas pressure should also by 1mbar increase.
  • this is between the first leading the gas flow Line 10 and the combustion air flow leading second line 12 a sensor 16 arranged.
  • the sensor 16 is a differential pressure sensor, in particular as Flow meter, anemometer or the like, formed.
  • the sensor 16 With a first measuring point 17, the sensor 16 is at the first gas flow leading Line 10 connected. With a second measuring point 18, the sensor 16 is at the Combustion air flow leading second conduit 12 connected. In Flow direction of the gas, the first measuring point 17 is positioned in front of the gas nozzle 15. The second measuring point 18 is in the flow direction of the combustion air before Throttle 14 arranged.
  • the gas pressure must be the combustion air pressure correspond.
  • the sensor 16 as a flowmeter or anemometer is formed, this means that the flow through the sensor 16 is zero. takes e.g. the combustion air pressure against the gas pressure, the sensor 16 learns a flow from the first line 10 in the direction of the second line 12. Takes however, the combustion air pressure against the gas pressure, so learns the sensor 16th a flow from the second conduit 12 in the direction of the first conduit 10th Due to the flow rate and due to the flow direction can therefore from the sensor 16, the pressure conditions between combustion air pressure and gas pressure be determined.
  • the sensor 16 generates depending on the above pressure ratios an electrical or electronic signal 19, which is used to adjust the gas valve 11.
  • the electrical or electronic signal 19 is a control or Regulator 20 is supplied, which from the signal 19, a control signal 21 for a the Gas valve 11 associated actuator 22 generates.
  • the gas valve 11 can be configured as desired.
  • the actuator 22 of the gas valve 11 is controlled such that the gas valve 11 between the States On / Off or On / Off toggles.
  • the gas valve 11 At one compared to the gas pressure higher combustion air pressure will consequently produce a control signal 21, on the basis of which the actuator 22, the gas valve 11 opens or activates.
  • the gas valve 11 At a in contrast to the gas pressure lower combustion air pressure is due to the Control signal 21 of the actuator 22, the gas valve 11, however, close or deactivate.
  • a resulting oscillating signal provides information about the proper functioning of the regulatory system and can therefore be considered Safety signal can be used. As long as the oscillating sensor signal is present, can a gas valve 11 upstream, not shown safety valve activated or be open.
  • the control device shown in Figure 1 in the case in which the gas valve 11th is closed, used for air flow measurement.
  • the sensor 16 is connected to the second measuring point 18 on the second line 12, namely in the flow direction of the combustion air in front of the throttle point 14, arranged is; and furthermore the sensor 16 with the first measuring point 17 on the first line 10, ie with closed gas valve 11 via the gas nozzle 15 in the flow direction of the Combustion air is arranged after the throttle point 14.
  • closed gas valve 11 can therefore with the aid of the sensor 16, the pressure difference across the throttle point 14th determined and thus an air flow measurement are performed.
  • Air flow metering can be used to control the parameter range of the blower 13 depending on a configuration of the combustion air supply and flue gas discharge adjust. Also, the air flow measurement of the monitoring and Setting a minimum combustion air supply, which ensures the safe start of the Gas burner is needed.
  • a different ratio between Gas flow and air flow can be realized, so a 1: N gas / air composite control.
  • a coupling line 23 is provided wherein within the coupling line 23 two constrictions 24, 25 are arranged. at the constrictions 24, 25 are throttling points.
  • the coupling line 23 is shown in FIG 2 to the combustion air flow leading second Line 12 in the flow direction of the combustion air to or behind the throttle point 14 connected.
  • the leading to the gas flow first line 10 is the Coupling line 23 connected in the flow direction of the gas in front of the gas nozzle 15.
  • the sensor 16 is likewise in the same way as in FIG Embodiment according to Figure 1 - between the first line 10 and the second Line 12 is arranged.
  • the first Measuring point 17 in the region of the coupling line 23 between the constrictions 24, 25th arranged.
  • the second measuring point 18 is again in the region of the second line 12 in FIG Flow direction of the combustion air upstream of the throttle point 14 is arranged.
  • the controller 20 generates a Control signal 21 for the actuator 22 of the gas valve 11, such that the signal 19 of the Sensor 16 is guided to an amount corresponding to a pressure difference of zero.
  • the arrangement of the coupling line 23 with the devices 21, 25 is thereby realizing a 1: N gas / air composite control, i. that with an increase in the Combustion air pressure of 1 mbar, the gas pressure is increased by N mbar.
  • control device is therefore a 1: N gas / air composite control possible.
  • the gas pressure in relation to the combustion air pressure are amplified.
  • the degree the gain is determined by the constrictions 24, 25.
  • one of the constrictions 24, 25 variable or can be made changeable.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)

Abstract

L'invention concerne un système de régulation pour brûleur à gaz. Les systèmes de régulation pour brûleur à gaz servent à acheminer un flux gazeux et un flux d'air de combustion jusqu'à un brûleur. Le flux gazeux est réglable en fonction de la pression de l'air de combustion. Dans les systèmes de régulation connus, une mesure de pression s'effectue à l'aide d'une membrane, donc pneumatiquement. Cette mesure de pression pneumatique limite le domaine d'application des systèmes de régulation connus. Dans le système de régulation décrit, un détecteur (16) est disposé entre une première canalisation (10) guidant un flux gazeux, et une deuxième canalisation (12) guidant un flux d'air de combustion. Ce détecteur (16) produit un signal électrique ou électronique (19) servant à régler la vanne de gaz (11).

Claims (6)

  1. Dispositif de régulation pour brûleur à gaz pour la préparation d'un mélange gaz/air, à savoir pour amener un courant de gaz et un courant d'air de combustion à un brûleur, le courant de gaz pouvant être réglé au moyen d'une vanne de régulation de gaz (11) en fonction de la pression de l'air de combustion, un capteur (16) étant disposé entre une première conduite (10) transportant le courant de gaz et une deuxième conduite (12) transportant le courant d'air de combustion, le capteur (16) étant accouplé à un premier point de mesure (17) sur la première conduite (10) transportant le courant de gaz, et à un deuxième point de mesure (18) sur la deuxième conduite (12) transportant le courant d'air de combustion, et un signal (19) électrique ou électronique, produit par le capteur, étant utilisé pour le réglage de la vanne de régulation de gaz (11), caractérisé en ce que :
    a) le premier point de mesure (17) est disposé, par rapport au sens d'écoulement du gaz, en amont d'un injecteur de gaz (15) et le deuxième point de mesure (18), par rapport au sens d'écoulement de l'air de combustion, en amont d'un point d'étranglement (14), l'injecteur de gaz (15) débouchant, dans le sens d'écoulement de l'air de combustion, en aval du point d'étranglement (14) dans la deuxième conduite (12) qui transporte le courant d'air de combustion,
    b) le capteur (16) est réalisé en tant que débitmètre.
  2. Dispositif de régulation selon la revendication 1, caractérisé en ce qu'en fonction du signal (19) électrique ou électronique produit par le débitmètre (16), un signal de régulation (21) est produit pour un mécanisme de réglage (22) associé à la vanne de régulation de gaz (11).
  3. Dispositif de régulation selon la revendication 1 ou 2, caractérisé par une conduite de couplage s'étendant entre la première conduite (10) et la deuxième conduite (12), deux rétrécissements (24, 25) étant de préférence disposés à l'intérieur de la conduite de couplage (23).
  4. Dispositif de régulation selon la revendication 3, caractérisé en ce que la conduite de couplage (23) est raccordée à la deuxième conduite (12) transportant le courant d'air de combustion en aval du point d'étranglement (14) en considérant le sens d'écoulement de l'air de combustion, et en ce que la conduite de couplage (23) est raccordée à la première conduite (10) conduisant le courant de gaz, en amont de l'injecteur de gaz (15) en considérant le sens d'écoulement du gaz.
  5. Dispositif de régulation selon une ou les deux revendications 3 et 4, caractérisé en ce que le premier point de mesure (17) est disposé dans la zone de la conduite de couplage (23), entre le premier rétrécissement (24) et le deuxième rétrécissement (25), et le deuxième point de mesure (18) est disposé dans la zone de la deuxième conduite (12), en amont du point d'étranglement (14) en considérant le sens d'écoulement de l'air de combustion.
  6. Dispositif de régulation selon une ou plusieurs des revendications 3 à 5, caractérisé en ce qu'au moins l'un des rétrécissements (24, 25) est réalisé réglable ou variable.
EP99955316A 1998-06-02 1999-05-27 Systeme de regulation pour bruleur a gaz Expired - Lifetime EP1084369B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19824521 1998-06-02
DE19824521A DE19824521B4 (de) 1998-06-02 1998-06-02 Regeleinrichtung für Gasbrenner
PCT/EP1999/003670 WO1999063272A1 (fr) 1998-06-02 1999-05-27 Systeme de regulation pour bruleur a gaz

Publications (2)

Publication Number Publication Date
EP1084369A1 EP1084369A1 (fr) 2001-03-21
EP1084369B1 true EP1084369B1 (fr) 2003-01-15

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EP99955316A Expired - Lifetime EP1084369B1 (fr) 1998-06-02 1999-05-27 Systeme de regulation pour bruleur a gaz

Country Status (9)

Country Link
US (1) US6561791B1 (fr)
EP (1) EP1084369B1 (fr)
JP (1) JP2002517702A (fr)
KR (1) KR20010071151A (fr)
CA (1) CA2321659A1 (fr)
DE (2) DE19824521B4 (fr)
DK (1) DK1084369T3 (fr)
ES (1) ES2186419T3 (fr)
WO (1) WO1999063272A1 (fr)

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EP2405198A1 (fr) 2010-07-08 2012-01-11 Vaillant GmbH Procédé de calibration de régulation du rapport gaz combustible-air d'un brûleur à gaz combustible
EP2623865A1 (fr) 2012-02-03 2013-08-07 Honeywell Technologies Sarl Brûleur à gaz, procédé de fonctionnement associé et système de brûleur à gaz multiples
ITPD20120030A1 (it) * 2012-02-09 2013-08-10 Sit La Precisa S P A Con Socio Uni Co Metodo per il controllo di un bruciatore di una caldaia e sistema di controllo operante in accordo con tale metodo
EP2685168A1 (fr) 2012-07-13 2014-01-15 Honeywell Technologies Sarl Procédé et contrôleur de fonctionnement dýun brûleur à gaz
EP2685167A1 (fr) 2012-07-13 2014-01-15 Honeywell Technologies Sarl Procédé et contrôleur de fonctionnement dýun brûleur à gaz
EP2685169A1 (fr) 2012-07-13 2014-01-15 Honeywell Technologies Sarl Procédé et contrôleur de fonctionnement d'un brûleur à gaz
EP2829803A1 (fr) 2013-07-25 2015-01-28 Honeywell Technologies Sarl Stabilisation de la combustion d'un brûleur à gaz avec Fast-Fourier-Transformation (FFT)
EP2966354A1 (fr) 2014-07-08 2016-01-13 Honeywell Technologies Sarl Procédé et contrôleur de fonctionnement d'un brûleur à gaz
US9612146B2 (en) 2014-02-07 2017-04-04 Honeywell International, Inc. Airflow sensor with dust reduction
EP3477201A1 (fr) 2017-10-26 2019-05-01 Honeywell Technologies Sarl Procédé de fonctionnement d'un appareil à brûleur à gaz
US10317076B2 (en) 2014-09-12 2019-06-11 Honeywell International Inc. System and approach for controlling a combustion chamber

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US9528712B2 (en) * 2012-11-05 2016-12-27 Pat Caruso Modulating burner system
EP2868970B1 (fr) 2013-10-29 2020-04-22 Honeywell Technologies Sarl Dispositif de régulation
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US9841122B2 (en) 2014-09-09 2017-12-12 Honeywell International Inc. Gas valve with electronic valve proving system
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PL3271655T3 (pl) * 2015-03-17 2020-05-18 Intergas Heating Assets B.V. Urządzenie i sposób mieszania gazu palnego i powietrza do spalania, dostarczona z nim instalacja gorącej wody, odpowiadający czujnik termiczny masowego przepływu i sposób pomiaru natężenia masowego przepływu gazu
US10503181B2 (en) 2016-01-13 2019-12-10 Honeywell International Inc. Pressure regulator
US10274195B2 (en) * 2016-08-31 2019-04-30 Honeywell International Inc. Air/gas admittance device for a combustion appliance
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TWI669464B (zh) * 2018-01-25 2019-08-21 關隆股份有限公司 瓦斯器具與瓦斯閥及其控制方法
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CN110307371A (zh) * 2018-03-20 2019-10-08 关隆股份有限公司 瓦斯器具与瓦斯阀及其控制方法
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EP3699492A1 (fr) 2019-02-19 2020-08-26 Ademco 2 GmbH Procédé et appareil de commande pour faire fonctionner un appareil à brûleur à gaz
EP3913285A1 (fr) 2020-05-22 2021-11-24 Pittway Sarl Procédé et appareil de commande pour faire fonctionner un appareil à brûleur à gaz
DE102020132504A1 (de) 2020-12-07 2022-06-09 Ebm-Papst Landshut Gmbh Drosselanordnung
EP4033148B1 (fr) 2021-01-25 2023-11-01 Pittway Sarl Procédé et appareil de commande pour faire fonctionner un appareil à brûleur à gaz
EP4047268A1 (fr) 2021-02-18 2022-08-24 BDR Thermea Group B.V. Procédé de fonctionnement d'un chauffage au gaz
EP4092325B1 (fr) 2021-05-17 2023-12-20 Pittway Sarl Procédé et appareil de commande pour faire fonctionner un appareil à brûleur à gaz
EP4119846A1 (fr) 2021-07-14 2023-01-18 Pittway Sarl Procédé et appareil de commande pour faire fonctionner un appareil à brûleur à gaz
EP4119845A1 (fr) 2021-07-14 2023-01-18 Pittway Sarl Procédé et appareil de commande pour faire fonctionner un appareil à brûleur à gaz
EP4155609A1 (fr) 2021-09-24 2023-03-29 Pittway Sarl Procédé et appareil de commande pour faire fonctionner un appareil à brûleur à gaz
DE102022101305A1 (de) 2022-01-20 2023-07-20 Ebm-Papst Landshut Gmbh Verfahren zur fehlersicheren und mageren Zündung eines Brenngas-Luft-Gemisches an einem Gasbrenner
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EP1962067A2 (fr) 2007-02-19 2008-08-27 Vaillant GmbH Procédé destiné au calibrage d'un capteur d'écoulement avec une ou deux résistances sensibles à la température
EP2405198A1 (fr) 2010-07-08 2012-01-11 Vaillant GmbH Procédé de calibration de régulation du rapport gaz combustible-air d'un brûleur à gaz combustible
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EP2685169A1 (fr) 2012-07-13 2014-01-15 Honeywell Technologies Sarl Procédé et contrôleur de fonctionnement d'un brûleur à gaz
EP2685167A1 (fr) 2012-07-13 2014-01-15 Honeywell Technologies Sarl Procédé et contrôleur de fonctionnement dýun brûleur à gaz
EP2685168A1 (fr) 2012-07-13 2014-01-15 Honeywell Technologies Sarl Procédé et contrôleur de fonctionnement dýun brûleur à gaz
EP2685167B1 (fr) * 2012-07-13 2015-12-16 Honeywell Technologies Sarl Procédé de fonctionnement d'un brûleur à gaz
US11149946B2 (en) 2012-09-15 2021-10-19 Honeywell International Inc. System and approach for controlling a combustion chamber
EP2829803A1 (fr) 2013-07-25 2015-01-28 Honeywell Technologies Sarl Stabilisation de la combustion d'un brûleur à gaz avec Fast-Fourier-Transformation (FFT)
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EP2966354A1 (fr) 2014-07-08 2016-01-13 Honeywell Technologies Sarl Procédé et contrôleur de fonctionnement d'un brûleur à gaz
US10317076B2 (en) 2014-09-12 2019-06-11 Honeywell International Inc. System and approach for controlling a combustion chamber
EP3477201A1 (fr) 2017-10-26 2019-05-01 Honeywell Technologies Sarl Procédé de fonctionnement d'un appareil à brûleur à gaz
WO2019081464A1 (fr) 2017-10-26 2019-05-02 Honeywell Technologies Sarl Procédé pour faire fonctionner un appareil de type brûleur à gaz

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ES2186419T3 (es) 2003-05-01
CA2321659A1 (fr) 1999-12-09
WO1999063272A1 (fr) 1999-12-09
KR20010071151A (ko) 2001-07-28
US6561791B1 (en) 2003-05-13
EP1084369A1 (fr) 2001-03-21
JP2002517702A (ja) 2002-06-18
DK1084369T3 (da) 2003-03-03
DE19824521A1 (de) 1999-12-09
DE59904050D1 (de) 2003-02-20
DE19824521B4 (de) 2004-12-23

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