EP1333227A2 - Procédé d'ajustement d'un appareil de chauffage incorporant un brûleur à son système d'échappement et/ou de tirage en air - Google Patents

Procédé d'ajustement d'un appareil de chauffage incorporant un brûleur à son système d'échappement et/ou de tirage en air Download PDF

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Publication number
EP1333227A2
EP1333227A2 EP02026220A EP02026220A EP1333227A2 EP 1333227 A2 EP1333227 A2 EP 1333227A2 EP 02026220 A EP02026220 A EP 02026220A EP 02026220 A EP02026220 A EP 02026220A EP 1333227 A2 EP1333227 A2 EP 1333227A2
Authority
EP
European Patent Office
Prior art keywords
fan
air
speed
blower
control unit
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
EP02026220A
Other languages
German (de)
English (en)
Other versions
EP1333227A3 (fr
EP1333227B1 (fr
Inventor
Heinz-Juergen Deibler
Berni Reisser
Marc Rosenland
Frank Hermann
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 EP1333227A2 publication Critical patent/EP1333227A2/fr
Publication of EP1333227A3 publication Critical patent/EP1333227A3/fr
Application granted granted Critical
Publication of EP1333227B1 publication Critical patent/EP1333227B1/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
    • F23N5/18—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
    • F23N3/00—Regulating air supply or draught
    • F23N3/002—Regulating air supply or draught using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N3/00—Regulating air supply or draught
    • F23N3/08—Regulating air supply or draught by power-assisted systems
    • F23N3/082—Regulating air supply or draught by power-assisted systems 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
    • F23N2225/00—Measuring
    • F23N2225/04—Measuring pressure
    • F23N2225/06—Measuring pressure for determining flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/08—Measuring temperature
    • F23N2225/10—Measuring temperature stack temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/08—Measuring temperature
    • F23N2225/12—Measuring temperature room temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2233/00—Ventilators
    • F23N2233/02—Ventilators in stacks
    • F23N2233/04—Ventilators in stacks 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
    • F23N2235/22—Fuel valves cooperating with magnets

Definitions

  • the invention relates to a method for adapting a burner-heated heater to this assigned Air / exhaust system according to the preamble of claim 1.
  • Another method for setting the speed of a Blower of a heater is known from DE Patent 198 46 207 C2 known in which in an electronic memory Characteristic map of blower speed curves saved is. Based on the existing pipe length of the air / exhaust system a nominal characteristic is selected and then the control the blower speed based on the current gas flow performed on the basis of the desired characteristic for the current Gas flow existing actual fan speed with the Target fan speed is compared and by means of an electronic Regulation an adjustment of the actual fan speed at the desired fan speed takes place.
  • the procedure requires Before installing the heater, measure the pipe length of the air / exhaust system and one by the installer afterwards selected characteristic. This procedure is therefore dependent from the accuracy of measuring the tube lengths of the Air / exhaust system and thus of subjective influences.
  • Object of the present invention is to provide a reliable automatic adjustment of the blower speed of the heater to those found during the installation of the heater Pipe length of the air / exhaust system.
  • the object of the present invention is with the characterizing Characteristics of claim 1 solved.
  • the invention has the advantage of a simple and fast installation the heater is enabled, the control of the Heater automatically to the found air / exhaust system is adjusted. By eliminating a panel or the measuring of the tube length becomes a wrong position avoided by the installer.
  • the Characteristics of the map a range of starting speeds cover some uncertainty in the regulation the air / exhaust gas composition so that it is convenient is the characteristics when installing on excess air adjust so that the exhaust emissions are also in the most unfavorable Case a correspondingly high lambda value. Also in that the fan characteristics in speed steps parallel to each other over the burner power to be to achieve a sufficiently high lambda value the Characteristics preset to excess air.
  • FIG. 1 shows a schematic representation of a Heater
  • Figure 2 is a diagram for setting switching speeds
  • Figure 3 is a map with fan characteristics
  • Figure 4 shows a characteristic for the fuel gas supply in conjunction with the course of the lambda value.
  • the heater in Figure 1 has a burner 10 which in a combustion chamber 12 is arranged. To the combustion chamber 12 leads an air supply 14, via the combustion air the Burner 10 is supplied.
  • the air supply 14 surrounds, for example coaxial with an exhaust outlet 16, which with a not shown exhaust pipe, is in communication with the Exhaust gas into the atmosphere.
  • the air supply 14 with Air pipe and the exhaust discharge 16 form with the exhaust pipe an air / exhaust system.
  • a heat exchanger 20th acted upon, via a flow line 21 and a return line 22 with a radiator assembly, not shown communicates.
  • an exhaust collector hood 24 is arranged, which is for exhaust gas discharge 16 passes.
  • a blower 26 arranged that the exhaust gas from the combustion chamber 12 sucks and by the suction one corresponding volume flow or air mass flow combustion air via the air supply 14 to the burner 10 supplies.
  • the blower 26 can also be arranged in the air supply 14 be.
  • the burner 10 is further connected via a gas line 31 and a Gas control device 30 connected to a gas supply 32.
  • the gas control device 30 is provided with a modulating magnet 33 provided for the corresponding adjustment of the gas control device 30 provides.
  • the modulation magnet is controlled 33 from a control unit 35, via a control line 37 is connected to the modulation magnet 33.
  • the modulation magnet 33 and the gas control device 30 form a Gas metering device.
  • the control unit 35 contains the so-called gas burner control, with which in itself the Control and monitoring of the burner with fully automatic Ignition occurs.
  • the speed of the blower 26 is from a speed sensor 41, for example, a Hall sensor detected.
  • the speed sensor 41 is connected via a signal line 42 with a fan electronics 43 in conjunction, which in turn via a control line 44 to the controller 35 and via a power supply line 45 is connected to the blower 26.
  • a differential pressure measuring 50th arranged with a differential pressure switch 51, the on reaching a certain pressure outputs a switching signal.
  • the differential pressure measuring point 50 can by a pitot tube Be formed over the back pressure in the air supply 14 is detected.
  • a signal line 53 is the Differential pressure switch 51 connected to the control unit 35.
  • the differential pressure measuring point 50 with the differential pressure switch 51 can also be used in the exhaust system 16.
  • a temperature sensor 60 is further arranged, the signal via another control line 61st the control unit 35 is supplied. Based on the flow temperature is the burner power over the modulation current i for controlling the modulation magnet 33 in dependence a set setpoint, the control unit 35 also is specified, regulated.
  • This setpoint can be Weather-compensated via an outside temperature sensor and / or over a Festeinstellwert according to a required room temperature be set.
  • FIG. 2 shows a diagram of blower speeds n above the Air flow V for different flow resistances in Air / exhaust system.
  • a desired value for a required air volume flow V S is stored, which is necessary, for example, to reach the necessary for releasing the fuel gas supply differential pressure value for switching the differential pressure switch 51.
  • a corresponding delivery volume of the fan is necessary as a function of the corresponding tube resistances or tube lengths of the air / exhaust system, ie different fan speeds n for reaching the switching point for the required air volume flow V S for different tube lengths of the air / exhaust system necessary.
  • the switching point (pressure value) for the necessary air flow V S for example, 250 l / min at a lower speed n 1 achieved than in an air / exhaust system with a large pipe length, in which the required Air volume flow V S is reached only at a higher speed n 4 .
  • the determined in the switching point of the differential pressure switch 51 switching speed n X according to Figure 2 is detected by the speed sensor 41 and supplied to the control unit 35.
  • control unit 35 is a map of characteristics 71, 72, 73, 74 for the fan speed n over the Burner capacity Q and a characteristic 80 of the fuel gas supply stored as modulation current i over the burner power Q.
  • the blower characteristics 71 to 74 have corresponding ones Power ranges, for example speed levels on. But it is also possible, a constantly controllable fan use.
  • the fan characteristics 71 to 74 are associated, for example, with a corresponding shift speed range;
  • the blower characteristic 71 a switching speed of n 900 to 1300 min -1
  • the blower characteristic 72 a switching speed range of n 1300 to 1400 min -1
  • the blower characteristic 73 a switching speed range of n 1400 to 1600 min -1
  • the blower characteristic 74th a switching speed range of n 1600 to 1800 min -1 .
  • a switching speed range an identifier, which is then assigned a corresponding fan characteristic.
  • FIG. 4 the fuel-gas characteristic curve shown in FIG. 3 with the modulation current i above the burner output Q is again shown in connection with the air-ratio lambda. It can be seen that with increasing modulation current i, the burner power increases continuously and thereby via the modulating magnet 33 and the Gasregeleinrichung 30, the fuel gas supply is increased. The air supply necessary for the combustion is controlled via the selected blower characteristic K X.
  • the air ratio Lambda Due to the stepped fan characteristic and decoupling the control of the fuel gas supply from the fan speed varies over the entire modulation range, the air ratio Lambda.
  • the speed levels of the fan are over a previously defined load field switched depending on the power.
  • the switching point of the differential pressure switch at the first startup of the device 51 is not reached, continuously increased until the differential pressure switch 51 switches. This is the point at which the blower 26 delivers the required air flow V s of, for example, 250 l / min.
  • the switching speed reached at the switching point of the differential pressure switch 51 n X, n, for example, for example, the switching speed N 2 1350 is achieved min -1, is detected by the speed sensor 41 and transmitted to the control device 35th In the control unit 35 from a microcomputer, not shown, from the stored map of fan characteristics 71 to 74 selected the switching speed of 1350 min 1 associated fan characteristic K X.
  • the selected fan characteristic K X is in the present example according to Figure 3, the fan characteristic 73, which then serves as an operating characteristic for controlling the air supply based on the heat requirements.
  • the necessary burner power Q is retrieved from the control unit 35 according to the heat demand. Based on the required burner power Q, the control unit 35 controls the modulation current i for driving the modulating magnet 33, which in turn adjusts the gas control device 30.
  • the fan speed n is set via the speed controller 43 on the basis of the selected fan characteristic K X (operating characteristic). The speed levels in the selected fan characteristic K X are triggered by the present modulation.
  • a temperature sensor 48 is arranged in the exhaust duct 16 and / or in the air supply 14, the signal is fed via a signal line 49 to the control unit 35.
  • the selected fan characteristic K X is compensated and stored as a compensated operating characteristic in the control unit, after which then the heater operates.
  • a further measured variable can be used with the temperature sensor 60 measured flow temperature, which can also provide a compensation value.

Landscapes

  • 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)
EP02026220A 2002-01-31 2002-11-26 Procédé d'ajustement d'un appareil de chauffage incorporant un brûleur à son système d'échappement et/ou de tirage en air Expired - Lifetime EP1333227B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10203798A DE10203798B4 (de) 2002-01-31 2002-01-31 Verfahren zur Anpassung eines brennerbeheizten Heizgerätes an ein diesem zugeordneten Luft-/Abgassystem
DE10203798 2002-01-31

Publications (3)

Publication Number Publication Date
EP1333227A2 true EP1333227A2 (fr) 2003-08-06
EP1333227A3 EP1333227A3 (fr) 2004-07-07
EP1333227B1 EP1333227B1 (fr) 2008-01-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP02026220A Expired - Lifetime EP1333227B1 (fr) 2002-01-31 2002-11-26 Procédé d'ajustement d'un appareil de chauffage incorporant un brûleur à son système d'échappement et/ou de tirage en air

Country Status (2)

Country Link
EP (1) EP1333227B1 (fr)
DE (2) DE10203798B4 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1450102A1 (fr) * 2003-02-20 2004-08-25 Robert Bosch Gmbh Appareil de chauffage et procédé de fonctionnement correspondant
EP1698828A3 (fr) * 2005-02-28 2009-11-25 Kutzner + Weber GmbH Installation de combustion, en particulier système de réglage d'une installation de combustion selon ses conditions de ventilation ou d'échappement de gaz de combustion
US20130045077A1 (en) * 2010-03-10 2013-02-21 Ebm-Papst Landshut Gmbh Pneumatic composite having mass balancing
WO2017013048A1 (fr) * 2015-07-17 2017-01-26 Bosch Termotecnologia S.A. Système pour appareil de chauffage et procédé permettant de faire fonctionner un système pour appareil de chauffage
EP2489936A3 (fr) * 2011-02-21 2017-11-29 DRU Verwarming B.V. Système à foyer fermé avec écoulement d'air forcé

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1018339A3 (fr) * 2008-11-18 2010-09-07 Bodart Et Gonay Systeme d'amenee d'air et evacuation de gaz brules.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19847448A1 (de) 1997-10-08 1999-04-22 Vaillant Joh Gmbh & Co Verfahren zur Anpassung eines brennerbeheizten Heizgerätes
DE19846207C2 (de) 1998-08-19 2000-10-26 Wolf Gmbh Vorrichtung und Verfahren zur Einstellung der Drehzahl eines Gebläses einer Gasheizeinrichtung, wie insbesondere einer Gastherme

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401196B (de) * 1992-02-07 1996-07-25 Vaillant Gmbh Heizgerät
AT406512B (de) * 1992-10-12 2000-06-26 Vaillant Gmbh Verfahren zum konstanthalten der maximal- und/oder minimalleistung eines einen gasbrenner aufweisenden wassererwärmers
TW294771B (fr) * 1995-01-30 1997-01-01 Gastar Co Ltd
DE19510425C2 (de) * 1995-03-24 1999-05-27 Bosch Gmbh Robert Verfahren und Vorrichtung zur Regelung eines Heizgerätes
DE10109808C2 (de) * 2001-03-01 2003-12-04 Bosch Gmbh Robert Verfahren und Vorrichtung zur Anpassung eines brennerbetriebenen Heizgerätes an ein Luft-Abgas-System

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19847448A1 (de) 1997-10-08 1999-04-22 Vaillant Joh Gmbh & Co Verfahren zur Anpassung eines brennerbeheizten Heizgerätes
DE19846207C2 (de) 1998-08-19 2000-10-26 Wolf Gmbh Vorrichtung und Verfahren zur Einstellung der Drehzahl eines Gebläses einer Gasheizeinrichtung, wie insbesondere einer Gastherme

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1450102A1 (fr) * 2003-02-20 2004-08-25 Robert Bosch Gmbh Appareil de chauffage et procédé de fonctionnement correspondant
EP1698828A3 (fr) * 2005-02-28 2009-11-25 Kutzner + Weber GmbH Installation de combustion, en particulier système de réglage d'une installation de combustion selon ses conditions de ventilation ou d'échappement de gaz de combustion
US20130045077A1 (en) * 2010-03-10 2013-02-21 Ebm-Papst Landshut Gmbh Pneumatic composite having mass balancing
US9677765B2 (en) * 2010-03-10 2017-06-13 Ebm-Papst Landshut Gmbh Pneumatic composite having mass balancing
EP2489936A3 (fr) * 2011-02-21 2017-11-29 DRU Verwarming B.V. Système à foyer fermé avec écoulement d'air forcé
WO2017013048A1 (fr) * 2015-07-17 2017-01-26 Bosch Termotecnologia S.A. Système pour appareil de chauffage et procédé permettant de faire fonctionner un système pour appareil de chauffage
US10634346B2 (en) 2015-07-17 2020-04-28 Bosch Termotecnologia S.A. Heater device and method for operating a heater device

Also Published As

Publication number Publication date
DE50211601D1 (de) 2008-03-13
EP1333227A3 (fr) 2004-07-07
EP1333227B1 (fr) 2008-01-23
DE10203798A1 (de) 2003-08-21
DE10203798B4 (de) 2009-08-13

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