WO2023285352A1 - Procédé et dispositif de commande de fonctionnement d'appareil à brûleur à gaz - Google Patents

Procédé et dispositif de commande de fonctionnement d'appareil à brûleur à gaz Download PDF

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Publication number
WO2023285352A1
WO2023285352A1 PCT/EP2022/069264 EP2022069264W WO2023285352A1 WO 2023285352 A1 WO2023285352 A1 WO 2023285352A1 EP 2022069264 W EP2022069264 W EP 2022069264W WO 2023285352 A1 WO2023285352 A1 WO 2023285352A1
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WO
WIPO (PCT)
Prior art keywords
gas
absolute pressure
pressure
safety valve
difference
Prior art date
Application number
PCT/EP2022/069264
Other languages
English (en)
Inventor
Clemens METKER
Wim Munsterhuis
Gerrit Jan Baarda
Andreas Kammerahl
Martin Petersmann
Anton Quatmann
Ulrich Oldehus
Original Assignee
Pittway Sarl
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 Pittway Sarl filed Critical Pittway Sarl
Priority to CN202280062436.6A priority Critical patent/CN117980660A/zh
Publication of WO2023285352A1 publication Critical patent/WO2023285352A1/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
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/12—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
    • F23N5/123—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods 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
    • F23N1/00—Regulating fuel supply
    • F23N1/02—Regulating fuel supply conjointly with air supply
    • F23N1/025—Regulating fuel supply conjointly with air supply using electrical or electromechanical 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
    • 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
    • F23N2233/00—Ventilators
    • F23N2233/06—Ventilators at the air intake
    • F23N2233/08—Ventilators at the air intake with variable speed
    • 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
    • F23N2241/00—Applications
    • F23N2241/04—Heating water

Definitions

  • the invention relates to a method for operating a gas burner appliance. Further on, the invention relates to a controller for operating a gas burner appliance.
  • EP 2667097 A1 discloses a method for operating a gas burner appliance.
  • a gas/air mixture having a defined mixing ratio of gas and air is provided to a combustion chamber for combusting the gas/air mixture.
  • the mixing ratio of gas and air of the gas/air mixture corresponds to the so-called l-value of the gas/air mixture.
  • the gas/air mix ture is provided by a mixing device mixing an air flow provided by an air duct with a gas flow provided by a gas duct.
  • the mixing device may be provided by a Venturi nozzle.
  • the air flow flowing through the air duct is provided by fan in such a way that the nominal fan speed of the fan depends on a nominal burner-load of the gas burner appliance, wherein a fan speed range of the fan defines a so-called modula tion range of the gas burner appliance.
  • a pneu matic gas flow regulator is provided by a gas armature.
  • the gas armature com prises a safety gas valve and a throttle used for calibration.
  • the pneumatic gas flow regulator uses a pressure difference between the gas pressure of the gas flow in the gas duct and a reference pressure, wherein either the air pressure of the air flow in the air duct or the ambient pressure is used as reference pressure, and wherein the pressure difference between the gas pressure of the gas flow in the gas duct and the reference pressure is determined and controlled pneumatically.
  • EP 2667097 A1 discloses a method for operating a gas burner appliance in which the defined mixing ratio of the gas/air mixture is kept constant over the entire modu lation range of the gas burner. This is done by the pneumatic gas flow regulator establishing a pneumatic control to keep the mixing ratio of gas and air within the gas/air mixture constant.
  • pneumatic gas flow regulator instead of using pneumatic gas flow regulator, it is also known from prior art to con trol the mixing ratio of gas and air within the gas/air mixture by an electric or elec tronic gas flow modulator.
  • the invention relates to a gas burner control making use of such an electric or electronic gas flow modulator.
  • DE 19824 521 A1 discloses a method to control the mixing ratio of gas and air of the gas/air mixture and thereby the l-value of the gas/air mixture on basis of a sig nal provided by an electrical or electronic sensor like an anemometer.
  • An actual value corresponding to a pressure ratio between a gas pressure in a gas duct and an air pressure in an air duct or corresponding to a pressure ratio between the gas pressure in the gas duct and the air pressure at the reference point is provided by the electrical or electronic sensor, wherein this actual value is compared with a nominal value.
  • a control variable for the electric or electronic gas flow modulator is generated on basis of the control deviation between the actual value and nominal value, wherein the electric gas flow modulator is adjusted on basis of this control variable to control the defined mixing ratio of gas and air in the gas/air mixture thereby keeping the l-value of the gas/air mixture constant.
  • EP 2 405 198 B1 discloses a method for calibrating the regulation of a gas burner appliance.
  • US 2006 / 0292505 A1 and JP 4850 163 B2 disclose other prior art.
  • the amount of the air flow and thereby the amount of the flow of the gas/air mixture having the defined mixing ratio of gas and air provided to the burner chamber depends on the desired burner load.
  • the nominal burner-load cor- responds to a desired heat demand.
  • the nominal burner-load defines the fan speed at which the fan is operated.
  • the fan speed range of the fan of the gas burn er appliance defines the modulation range of the gas burner appliance.
  • a maximum fan speed of the fan defines the maximum burner-load of the gas burner appliance. If a desired heat demand requires maximum burner load, then the fan is operated at maximum fan speed. If a desired heat demand requires burner-load being 50% of the maximum burner load, then the fan is operated at 50% of the maximum fan speed.
  • the fan is operated at 20% of the maximum fan speed.
  • the mixing ratio of gas and air of the gas/air mixture is kept at a defined value, preferably constant.
  • the combustion quality of the gas burner appliance may vary in view of a fluctuat ing gas inlet pressure. Further, the combustion quality of the gas burner appliance may vary in view of fluctuating weather conditions, namely in view of a fluctuating ambient air pressure.
  • Gas burner appliances known from practice make use of a mechanical pressure regulator to compensate for a fluctuating gas inlet pressure.
  • a mechanical pressure regulator may be provided as a separate unit of the gas burner appliance.
  • Such mechanical pressure switches require additional installation space and cause addi tional hardware costs.
  • the present invention provides an accurate react fast reacting method for operating a gas burner appliance to compensate at least for a fluctuating gas inlet pressure of the gas burner.
  • the gas burner appliance is operated to compensate for a fluctuating gas inlet pressure of the gas burner appliance by executing the following steps:
  • the above method allows to compensate at least for a fluctuating gas inlet pres sure of the gas burner appliance in an accurate and fast manner.
  • the first absolute pressure is measured by the absolute pressure sensor when at least the first gas safety valve of the gas safety valve unit is closed and when the fan is stopped or when the fan is running, wherein - if the fan is running - the pressure depending on the first absolute pressure is determined from the measured first absolute pressure and from the fan speed, and then the pressure difference is determined between the pressure depending on the first absolute pressure and the second absolute pressure.
  • the second absolute pressure is measured by the absolute pressure sensor when the gas safety valve unit is opened and when the fan is running.
  • the pressure difference is determined between the first absolute pressure or the pres sure depending on the first absolute pressure and the second absolute pressure, wherein the pressure difference may be adapted into an adapted pressure differ ence as a function of the fan speed, and the gas flow modulator may then be oper ated on basis of said adapted pressure difference to compensate for a fluctuating gas inlet pressure of the gas burner appliance. This further improves the accuracy of the compensation for a fluctuating gas inlet pressure of the gas burner appliance.
  • the following steps are executed: Meas ure the first absolute pressure when at least the first gas safety valve of the gas safety valve unit is closed.
  • the gas safety valve unit run the fan at a defined fan speed, activate an ignition device and measure continuously or at a defined sampling rate the second absolute pressure while increasing the opening position of the gas flow modulator. Determine continuously or at the defined sam pling rate the pressure difference. Adjust continuously or at the defined sampling rate the opening position of the gas flow modulator dependent from said pressure difference. This allows to provide a very favorable start-up of the gas burner appli- ance.
  • Adapt the first absolute pressure to compensate for fluctuating weather conditions Measure continuously or at the defined sampling rate the second absolute pressure. Determine continuously or at the defined sam pling rate the pressure difference. Adjust continuously or at the defined sampling rate the opening position of the gas flow modulator dependent from said pressure difference. This allows to compensate in addition for fluctuating weather conditions.
  • the controller for operating a gas burner appliance according to the present inven tion is defined in claim 15.
  • Figure 1 shows a first gas burner appliance to be controlled by the method and controller of the present invention
  • Figure 2 shows a gas armature of a second gas burner appliance to be controlled by the method and controller of the present invention
  • Figure 3 shows a third gas burner appliance to be controlled by the method and controller of the present invention.
  • the present invention relates to a method and a controller for operating a gas burner appliance.
  • FIG. 1 shows a schematic view of a first exemplary gas burner appliance 10.
  • the gas burner appliance 10 comprises a combustion chamber 11 in which combustion of a gas/air mixture M having a defined mixing ratio of gas G and air A takes place during a regular combustion mode of the gas burner appliance 10, namely after a start-up of the gas burner appliance 10 and after successfully igniting the gas/air mixture M.
  • the combustion of the gas/air mixture M results into flames 12 and into exhaust gas E.
  • the flames 12 are monitored by a combustion quality sensor, pref erably by a flame ionization sensor 13 providing as output signal an electrical flame ionization current.
  • the flame ionization sensor 13 provides its output signal to a controller 26.
  • the exhaust gas E emanates from the combustion chamber 11 through an exhaust pipe 28.
  • the gas/air mixture M is provided to the combustion chamber 11 of the gas burner appliance 10 by mixing a flow of the air A with a flow of the gas G.
  • a fan 14 sucks in air A flowing through an air duct 15 and gas G flowing through a gas duct 16.
  • An electrical or electronic gas flow modulator 18 being configured to adjust the gas flow through the gas duct 16 and a gas safety valve unit 19 having preferably two gas safety valves 19a, 19b are assigned to the gas duct 16.
  • the gas flow modula- tor 18 and the gas safety valves 19a, 19b are part of a gas armature 17 further comprising a sieve 20 and an electrical or electronic absolute pressure sensor 21.
  • the sieve 20 and the electrical or electronic absolute pressure sensor 21 are both assigned to the gas duct 16.
  • the absolute pressure sensor 21 provides its output signal to the controller 26.
  • the electrical or electronic absolute pressure sensor 21, namely the measuring point 21a of the same is positioned downstream of the second gas safety valve 19b of gas safety valve unit.
  • the electrical or electronic absolute pressure sensor 21, namely the measuring point 21a of the same is positioned downstream of gas safety valve unit 19 und upstream of the electrical or electronic gas flow modulator 18.
  • the gas armature 17 of Figure 1 can be replaced by the gas armature 17 of Figure 2.
  • the electrical or electronic absolute pressure sensor 21, namely the measuring point 21a of the same is positioned downstream of the first gas safety valve 19a of the gas safety valve unit 19 and upstream of the second gas safety valve 19b of the gas safety valve unit 19.
  • the gas safety valves 19a, 19b of the gas safety valve unit 19 are operated by electric coils 22 being part of the gas armature 17. In a regular combustion mode, the electric coils 22 are energized by the controller 26 to open the gas safety valves 19a, 19b. In burner-off phases the gas safety valves 19 are closed.
  • each gas safety valve 19a, 19b is operated by one separate electric coil 22. With the use of separate electric coils 22 it is possible to open and close the gas safety valves 19a, 19b independently from each other. Alternatively, the gas safety valves 19a, 19b may be operated commonly by a common electric coil 22.
  • the electrical or electronic gas flow modulator 18 is operated by a motor 23 also having an electric coil 24.
  • the gas flow modulator 18 is an electric gas flow modulator 18 operated by the controller 26.
  • the gas flow modulator 18 is in its closed position not gas tight.
  • the gas/air mixture M having the defined mixing ratio of gas G and air A is provided to the combustion chamber 11 of the gas burner appliance 10.
  • the gas/air mixture M is provided by mixing the airflow A provided by an air duct 15 with a gas flow G provided by a gas duct 16.
  • the air flow and the gas flow become preferably mixed by a mixing device 25.
  • the mixing device 25 may be a venturi nozzle.
  • the quantity of the air flow A and thereby the quantity of the gas/air mixture flow M is adjusted by the fan 14, namely by the speed of the fan 14.
  • the fan speed can be adjusted on basis of a nominal burner-load. In a regular combustion mode of the gas burner appliance 10, a nominal fan speed of the fan 14 depends on the nomi nal burner load.
  • the fan 14 is operated by the controller 26.
  • the fan speed range of the fan 14 defines a modulation range of the gas burner appliance 10.
  • a modulation of ⁇ means that the fan 14 is operated at maximum fan speed (100% of maximum fan speed) and thereby at a full-load of the gas burner appliance 10.
  • a modulation of “2” means that the fan 14 is operated at 50% of the maximum fan speed and a modulation of “5” means that the fan 14 is operated at 20% of the maximum fan speed.
  • the defined mixing ratio of gas G and air A within the gas/air mixture M and thereby the l-value of the gas/air mixture M is kept at a nominal value, preferably constant, over the entire modulation range of the gas burner appliance 10.
  • Said defined mixing ratio of gas G and air A or said l-value of the gas/air mixture M is kept at a defined value over the modulation range of the gas burner appliance using the electrical or electronic gas flow modulator 18 of a gas armature 17 to keep the defined mixing ratio of gas and air and thereby the l-value preferably constant over the modulation range of the gas burner appliance.
  • the control variable for the electric gas flow modulator 18 in order to keep the l-value constant is generated by the controller 26 on basis of the flame ionization current provided by the flame ionization sensor 13.
  • Figures 3 a shows schematic view of other exemplary gas burner appliance 10’.
  • identical reference numbers are used for iden tical parts. In order to avoid unnecessary repetitions, below only the differences of the gas burner appliances 10, 10’ will be described.
  • the constant mixing ratio of gas G and air A within the gas/air mixture M is controlled by the electrical or electronic gas flow modulator 18 on basis of a signal provided by an electric or electronic pressure sensor or flow meter 27 and not on basis of the flame ionization current provided by the flame ionization sensor 13.
  • the electric or electronic sensor 27 may provide to the controller 26 an actual value corresponding to a pressure ratio be tween a gas pressure in a gas duct 16 and an air pressure in an air duct 15 or cor responding to a pressure ratio between the gas pressure in the gas duct 16 and the air pressure at the reference point, wherein the controller 26 may compare said actual value with a nominal value.
  • the controller 26 may generate the control variable for the electric gas flow modulator 18 on basis of the control devia tion between the actual value and the nominal value, wherein the gas flow modula tor 18 may be operated on basis of this control variable to keep over the entire modulation range of the gas burner appliance 10 the defined mixing ratio of gas and air and thereby the l-value constant.
  • the gas flow modulator 18 is in its closed position not gas tight.
  • the absolute pressure sensor 21 is positioned between the gas safety valve unit 19 and the gas flow modulator 18.
  • the absolute pressure sensor 21 namely the measuring point 21 a of the same, may be positioned down stream of the first gas safety valve 19a and upstream of the second gas safety valve 19b.
  • the present invention provides a method for operating such gas burner appliances 10, 10’ to compensate at least for a fluctuating gas inlet pressure of the gas burner appliance 10, 10’.
  • the gas burner appliance 10, 10’ is operated to compensate for a fluctuating gas inlet pressure of the gas burner appliance 10, 10’ by executing the following steps: Measure a first absolute pressure by the absolute pressure sensor 21 when at least the first gas safety valve 19a of the gas safety valve unit 19 is closed. In Figure 2 the second gas safety valve 19b needs to be opened. In Figures 1 and 3 both gas safety valve 19a, 19b may be closed. Measure a second absolute pressure by the absolute pressure sensor 21 when the gas safety valve unit 19 is opened. In Figures 1, 2 and 3 both gas safety valve 19a, 19b need to be opened.
  • the first absolute pressure may be measured by the absolute pressure sensor 21 when at least the first gas safety valve 19a of the gas safety valve unit 19 is closed and when the fan 14 is stopped.
  • the first absolute pressure may be measured by the absolute pressure sensor 21 when at least the first gas safety valve 19a of the gas safety valve unit 19 is closed and when the fan 14 is running, wherein then the pressure depending on the first absolute pressure is determined from the measured first absolute pressure and from of the fan speed.
  • Said pressure depending on the first absolute pressure is preferably determined from the meas ured first absolute pressure and from of the fan speed of the fan 14 on basis of a first characteristic curve.
  • the first characteristic curve may be empirically deter mined and may be stored within a memory unit of the controller 26.
  • the second absolute pressure is measured by the absolute pressure sensor 21 when the gas safety valve unit 19 is opened and when the fan 14 is running.
  • the pressure difference is preferably determined between the first absolute pres sure or the pressure depending on the first absolute pressure and the second abso lute pressure. Said pressure difference may be adapted into an adapted pressure difference as a function of the fan speed of the fan 14. The gas flow modulator 18 is then operated on basis of said adapted pressure difference to compensate for a fluctuating gas inlet pressure of the gas burner appliance 10, 10’.
  • the pressure difference is preferably adapted into a said adapted pressure differ ence on basis of a second characteristic curve.
  • the second characteristic curve may be empirically determined and may be stored within the memory unit of the controller 26.
  • the following steps are executed: Measure the first absolute pressure by the absolute pressure sensor 21 when at least the first gas safety valve 19a of the gas safety valve unit 19 is closed.
  • the pressure depending on the first absolute pressure may be determined from the measured first absolute pressure and from the fan speed, if the first absolute pressure is measured while the fan 14 is running.
  • the first abso lute pressure or the pressure depending on the first absolute pressure is stored within the memory unit of the controller 26.
  • the gas safety valve unit 19 For the start-up of the gas burner appli ance 10, 10’, then open the gas safety valve unit 19, run the fan 14 at a defined fan speed, activate an ignition device (not shown) positioned with the combustion chamber 11 and measure continuously or at a defined sampling rate the second absolute pressure by the absolute pressure sensor 21 while increasing the opening position of the gas flow modulator 18.
  • the opening position of the gas flow modula tor 18 is increased to increase the content of the gas G within the gas/air mixture M provided to the combustion chamber 11 in order to provide an ignitable gas/air mix ture M.
  • the pressure differ ence between the stored first absolute pressure (if the first absolute pressure is measured while the fan 14 is not running) or the stored pressure depending on the first absolute pressure and the second absolute pressure (if the first absolute pres- sure is measured while the fan 14 is running) and the second absolute pressure. Adjust continuously or at the defined sampling rate the opening position of the gas flow modulator 18 dependent from said pressure difference.
  • the pressure differ ence may be adapted into said adapted pressure difference as a function of the fan speed of the fan 14, wherein the gas flow modulator 18 may then be operated on basis of said adapted pressure difference to compensate for a fluctuating gas inlet pressure of the gas burner appliance 10, 10’. This provides an efficient and fast start-up of the gas burner appliance 10, 10’.
  • the pressure difference may be adapted into said adapted pressure difference as a function of the fan speed of the fan 14, wherein the gas flow modulator 18 may then be operated on basis of said adapted pressure difference to compensate for a fluc tuating gas inlet pressure of the gas burner appliance 10, 10’.
  • the first absolute pressure may be adapted to compensate for fluctuating weather conditions on basis of an absolute pressure measured by an additional absolute pressure sensor (not shown) not being assigned the gas duct 16.
  • an addi tional absolute pressure sensor (not shown) may be assigned to a circuit board of the controller 26.
  • the first absolute pressure may be adapted to compensate for fluctu ating weather conditions on basis of an absolute pressure received over the inter net.
  • the controller 26 may have an interface in order to receive data about the ac tual weather conditions and about the actual absolute air pressure over the internet.
  • the first absolute pressure may be adapted to compensate for fluctu ating weather conditions on basis of the first absolute pressure is adapted to com pensate for fluctuating weather conditions by executing the following steps: During the start-up of the gas burner appliance 10, 10’ measure the first and second abso lute pressure and determine a first difference from the same and use said differ ence as offset value.
  • the invention further provides the controller 26 being configured to operate the gas burner appliance 10, 10’ according to the above method.
  • the controller 26 is con figured to compensate for a fluctuating gas inlet pressure of the gas burner appli ance by executing at least the following steps: Measure a first absolute pressure by the absolute pressure sensor 21 when at least a first gas safety valve 19a of a gas safe-ty valve unit 19 is closed. Measure a second absolute pressure by the abso lute pressure sensor 21 when the gas safety valve unit 19 is opened. Determine a pressure difference between the first absolute pressure or a pressure depending on the first absolute pressure and the second absolute pressure or a pressure depend ing on the second absolute pressure. Operate the gas flow modulator 18 depend ent from said pressure difference.
  • the invention allows to compensate at least for a fluctuating gas inlet pressure of the gas burner appliance 10, 10’. In addition, fluctuating weather conditions causing a fluctuating ambient air pressure may be compensated.

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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 procédé de fonctionnement d'un appareil à brûleur à gaz (10), l'appareil à brûleur à gaz (10) comprenant : une chambre de combustion (11), un dispositif de mélange (23), un ventilateur (14), une unité de soupape de sécurité de gaz (19) associée au conduit de gaz (16) comprenant une première soupape de sécurité de gaz (19a) et une seconde soupape de sécurité de gaz (19b) positionnée en aval de la première soupape de sécurité de gaz (19a), un modulateur d'écoulement de gaz (18) associé au conduit de gaz (16) et un capteur de pression absolue électrique ou électronique (21) associé au conduit de gaz (16) positionné en aval de la première soupape de sécurité de gaz (19a). L'appareil à brûleur à gaz (10) est actionné pour compenser une pression d'entrée de gaz fluctuante de l'appareil à brûleur à gaz par l'exécution des étapes suivantes consistant à : mesurer une première pression absolue par le capteur de pression absolue (21) lorsqu'au moins la première soupape de sécurité de gaz (19a) de l'unité de soupape de sécurité de gaz (19) est fermée ; mesurer une seconde pression absolue par le capteur de pression absolue (21) lorsque l'unité de soupape de sécurité de gaz (19) est ouverte ; déterminer une différence de pressions entre la première pression absolue ou une pression dépendant de la première pression absolue et la seconde pression absolue ou une pression dépendant de la seconde pression absolue ; faire fonctionner le modulateur d'écoulement de gaz (18) en fonction de ladite différence de pressions.
PCT/EP2022/069264 2021-07-14 2022-07-11 Procédé et dispositif de commande de fonctionnement d'appareil à brûleur à gaz WO2023285352A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202280062436.6A CN117980660A (zh) 2021-07-14 2022-07-11 用于操作燃气燃烧器器具的方法和控制器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21185474.0A EP4119846A1 (fr) 2021-07-14 2021-07-14 Procédé et appareil de commande pour faire fonctionner un appareil à brûleur à gaz
EP21185474.0 2021-07-14

Publications (1)

Publication Number Publication Date
WO2023285352A1 true WO2023285352A1 (fr) 2023-01-19

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EP (1) EP4119846A1 (fr)
CN (1) CN117980660A (fr)
WO (1) WO2023285352A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19824521A1 (de) 1998-06-02 1999-12-09 Honeywell Bv Regeleinrichtung für Gasbrenner
US20040062290A1 (en) * 2000-12-26 2004-04-01 Remy Cordier Method and device for the evaluating a fuel gas wobbe index
US20060292505A1 (en) 2003-09-08 2006-12-28 Massimo Giacomelli System for controlling the delivery of a fuel gas to a burner apparatus
JP4850163B2 (ja) 2007-10-16 2012-01-11 中国電力株式会社 ガス燃焼装置
EP2405198B1 (fr) 2010-07-08 2013-02-20 Vaillant GmbH Procédé de calibration de régulation du rapport gaz combustible-air d'un brûleur à gaz combustible
EP2667097A1 (fr) 2012-05-24 2013-11-27 Honeywell Technologies Sarl Procédé de fonctionnement dýun brûleur à gaz
US20150045971A1 (en) * 2011-12-15 2015-02-12 Honeywell International Inc. Valve controller configured to estimate fuel comsumption
JP2017116382A (ja) * 2015-12-24 2017-06-29 三浦工業株式会社 ガス漏れ検出装置及びガス漏れ検出方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19824521A1 (de) 1998-06-02 1999-12-09 Honeywell Bv Regeleinrichtung für Gasbrenner
US20040062290A1 (en) * 2000-12-26 2004-04-01 Remy Cordier Method and device for the evaluating a fuel gas wobbe index
US20060292505A1 (en) 2003-09-08 2006-12-28 Massimo Giacomelli System for controlling the delivery of a fuel gas to a burner apparatus
JP4850163B2 (ja) 2007-10-16 2012-01-11 中国電力株式会社 ガス燃焼装置
EP2405198B1 (fr) 2010-07-08 2013-02-20 Vaillant GmbH Procédé de calibration de régulation du rapport gaz combustible-air d'un brûleur à gaz combustible
US20150045971A1 (en) * 2011-12-15 2015-02-12 Honeywell International Inc. Valve controller configured to estimate fuel comsumption
EP2667097A1 (fr) 2012-05-24 2013-11-27 Honeywell Technologies Sarl Procédé de fonctionnement dýun brûleur à gaz
JP2017116382A (ja) * 2015-12-24 2017-06-29 三浦工業株式会社 ガス漏れ検出装置及びガス漏れ検出方法

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