EP1285200A1 - Regeleinrichtung für gasbrenner - Google Patents
Regeleinrichtung für gasbrennerInfo
- Publication number
- EP1285200A1 EP1285200A1 EP01953944A EP01953944A EP1285200A1 EP 1285200 A1 EP1285200 A1 EP 1285200A1 EP 01953944 A EP01953944 A EP 01953944A EP 01953944 A EP01953944 A EP 01953944A EP 1285200 A1 EP1285200 A1 EP 1285200A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- servo
- control device
- frequency
- servo 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/005—Regulating fuel supply using electrical or electromechanical means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2093—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power
- G05D16/2095—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power using membranes within the main valve
-
- 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
-
- 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
- F23N2235/20—Membrane valves
Definitions
- the invention relates to a control device for gas burners according to the preamble of claim 1.
- Control devices for gas burners are well known from the prior art.
- Known control devices for gas burners have a main valve, a servo valve and a servo controller, the servo controller being used according to the state of the art for setting the setpoint and regulating a gas outlet pressure.
- modulation takes place in that a modulation coil acts on the servo controller, which is supplied with a variable current and changes the settings made on the servo controller.
- the present invention is based on the problem of creating a novel control device for gas burners.
- Figure 1 is a schematic diagram of a control device according to the invention in the closed position in cross section.
- Fig. 2 is a schematic diagram of the control device according to the invention of Figure 1 in the open position also in cross section.
- FIG. 4 shows another example of pulse width modulation.
- Figure 1 shows a control device 10 according to the invention in the closed position.
- a gas flow that flows into the control device in the area of an inlet 12 and leaves it in the area of an outlet 13 is regulated via a main valve 11.
- the main valve 11 is formed by a valve body 14 which rests on a valve seat 15 in the closed position.
- the valve body 14 is connected to a control membrane 16. In the closed position of the main valve 11, the valve body 14 is pressed against the valve seat 15 by a spring element 17.
- a gas inlet chamber 18, which is arranged below the control membrane 16, is connected via a bore 19 to a servo gas chamber 20, which is positioned above the control membrane 16.
- a servo valve 21 is also closed, in which position a valve body 22 of the servo valve 21 is pressed against a corresponding valve seat 23, namely by a spring element 27.
- control device 10 has a servo controller 28, a valve body 29 of the servo controller 28 interacting with a corresponding valve seat 30.
- the valve body 29 of the servo controller is connected to a diaphragm 31, on which a spring element 32 of a presetting device 33 of the servo controller 28 also engages.
- the servo valve 21 is opened against the force of the spring element 27 via an actuator 24 assigned to the servo valve 21.
- gas can flow out of the servo gas chamber 20 via corresponding bores 25 and 34 into a gas outlet chamber 26.
- the pressure prevailing in the servo gas chamber 20 then decreases, and the gas pressure prevailing in the gas inlet chamber 18 lifts the valve body 14 of the main valve 11 from the valve seat 15.
- the servo valve 21 is actuated via the actuator 24 depending on an upcoming heat request.
- the actuator 24 for the servo valve 21 is frequency-modulated, namely pulse-width-modulated, in the present invention.
- the servo valve 21 is either completely opened or completely closed with a certain frequency, the length of the on-cycles at a certain frequency making up the actual modulation.
- the actuator 24 is accordingly designed as an on / off actuator 24.
- the modulation coil acting on the servo drive and used according to the prior art can be omitted. Accordingly, in the invention, modulation takes place with the aid of the servo valve 21 or the actuator 24 and not via the servo controller 28.
- the opening of the main valve 11 and thus the gas flow is determined by the length of the on-cycles of the pulse-width-modulated servo valve 21.
- the frequency range that is typically available for modulation according to the invention is between 10 Hz and 30 Hz. Below a frequency of 10 Hz there are undesired disturbances in the output pressure. At a frequency above 30 Hz, the mechanical components of the servo valve 21 cannot follow the frequency.
- FIG. 3 and 4 illustrate the modulation principle, for example for a frequency of 10 Hz, where T j is then 0.1 sec.
- the so-called duty cycle is therefore 50%.
- the degree or the measure of the load cycle determines the modulation and thus ultimately the opening of the main valve.
- the load cycle is directly dependent on the heat requirement.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10026035A DE10026035C2 (de) | 2000-05-25 | 2000-05-25 | Regeleinrichtung für Gasbrenner |
DE10026035 | 2000-05-25 | ||
PCT/EP2001/005694 WO2001090648A1 (de) | 2000-05-25 | 2001-05-18 | Regeleinrichtung für gasbrenner |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1285200A1 true EP1285200A1 (de) | 2003-02-26 |
Family
ID=7643608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01953944A Withdrawn EP1285200A1 (de) | 2000-05-25 | 2001-05-18 | Regeleinrichtung für gasbrenner |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040075070A1 (de) |
EP (1) | EP1285200A1 (de) |
CA (1) | CA2378308A1 (de) |
DE (1) | DE10026035C2 (de) |
WO (1) | WO2001090648A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10232654B3 (de) * | 2002-07-18 | 2004-03-11 | Honeywell B.V. | Gasdurchflussregeleinrichtung |
DE10232653B3 (de) | 2002-07-18 | 2004-03-11 | Honeywell B.V. | Regeleinrichtung für Gasbrenner |
DE10232647B4 (de) | 2002-07-18 | 2004-05-13 | Honeywell B.V. | Regeleinrichtung für Gasbrenner |
US7435081B2 (en) * | 2004-01-27 | 2008-10-14 | Honeywell International Inc. | Method and system for pilot light safety |
CA2630767A1 (en) * | 2005-11-23 | 2007-05-31 | Sit La Precisa S.P.A. | Device for controlling the delivery of a combustible gas to a burner apparatus |
US20080224074A1 (en) * | 2007-03-12 | 2008-09-18 | Honeywell International, Inc. | Flexible valve plate and low friction control servo employing the same |
US20080273982A1 (en) * | 2007-03-12 | 2008-11-06 | Honeywell International, Inc. | Blade attachment retention device |
US7950622B2 (en) | 2007-07-25 | 2011-05-31 | Honeywell International, Inc. | System, apparatus and method for controlling valves |
US8823714B1 (en) * | 2009-02-23 | 2014-09-02 | Livespark LLC | Music-reactive fire display |
DE102011101187B4 (de) * | 2011-05-11 | 2014-09-04 | Magna Steyr Fahrzeugtechnik Ag & Co Kg | Druckminderer |
US10428972B2 (en) | 2017-09-27 | 2019-10-01 | Ademco Inc. | Water heater gas valve |
US10851911B2 (en) | 2018-09-01 | 2020-12-01 | Ademco Inc. | Valve actuator with external coils |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2849265C2 (de) * | 1978-11-14 | 1982-04-29 | Gema AG Apparatebau, 9015 St. Gallen | Druckregler |
JPS55129810A (en) * | 1979-03-29 | 1980-10-08 | Nissan Motor Co Ltd | Control method for on-off electromagnetic valve |
US4416187A (en) * | 1981-02-10 | 1983-11-22 | Nystroem Per H G | On-off valve fluid governed servosystem |
EP0113876A2 (de) * | 1982-12-17 | 1984-07-25 | Honeywell Inc. | Gaskontrollapparat |
GB2172996B (en) * | 1984-06-27 | 1987-07-15 | Osaka Gas Co Ltd | Fluidic flowmeter |
DE3834850A1 (de) * | 1988-10-13 | 1990-04-19 | Kloeckner Humboldt Deutz Ag | Brennstoffzufuhr zu einem regenerationsbrenner eines dieselpartikelfilters |
US5020771A (en) * | 1989-01-26 | 1991-06-04 | Ranco Japan Ltd. | Proportional control valve |
DE68922090T2 (de) * | 1989-01-26 | 1995-12-21 | Ranco Japan Ltd | Proportionales Regelventil. |
US5023535A (en) * | 1989-04-21 | 1991-06-11 | Vickers, Incorporated | High resolution pulse width modulation |
AT396850B (de) * | 1991-09-09 | 1993-12-27 | Vaillant Gmbh | Servodruckregler |
US5234024A (en) * | 1992-07-06 | 1993-08-10 | General Motors Corporation | Differential pressure regulator |
DE19737191A1 (de) * | 1997-08-27 | 1998-07-30 | Bosch Gmbh Robert | Vorrichtung zum Betreiben einer Heizungsanlage |
DE19821853C1 (de) * | 1998-05-15 | 1999-07-29 | Honeywell Bv | Regeleinrichtung für Gasbrenner |
IT1308113B1 (it) * | 1999-06-02 | 2001-11-29 | Sit La Precisa Spa | Gruppo valvolare per la modulazione della pressione di erogazione diun gas. |
EP1106924A1 (de) * | 1999-12-09 | 2001-06-13 | Honeywell B.V. | Gasventil |
-
2000
- 2000-05-25 DE DE10026035A patent/DE10026035C2/de not_active Expired - Fee Related
-
2001
- 2001-05-18 CA CA002378308A patent/CA2378308A1/en not_active Abandoned
- 2001-05-18 US US10/048,372 patent/US20040075070A1/en not_active Abandoned
- 2001-05-18 WO PCT/EP2001/005694 patent/WO2001090648A1/de not_active Application Discontinuation
- 2001-05-18 EP EP01953944A patent/EP1285200A1/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO0190648A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2378308A1 (en) | 2001-11-29 |
DE10026035A1 (de) | 2001-12-06 |
US20040075070A1 (en) | 2004-04-22 |
WO2001090648A1 (de) | 2001-11-29 |
DE10026035C2 (de) | 2002-06-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20020522 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
17Q | First examination report despatched |
Effective date: 20031013 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT NL |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20050831 |