EP2404113A2 - Dispositif de réglage de gaz - Google Patents

Dispositif de réglage de gaz

Info

Publication number
EP2404113A2
EP2404113A2 EP10708916A EP10708916A EP2404113A2 EP 2404113 A2 EP2404113 A2 EP 2404113A2 EP 10708916 A EP10708916 A EP 10708916A EP 10708916 A EP10708916 A EP 10708916A EP 2404113 A2 EP2404113 A2 EP 2404113A2
Authority
EP
European Patent Office
Prior art keywords
gas
metal bellows
control valve
valve
discs
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
EP10708916A
Other languages
German (de)
English (en)
Other versions
EP2404113B1 (fr
EP2404113B8 (fr
Inventor
Barbara Happe
Frank Pusch
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.)
Maxitrol GmbH and Co KG
Original Assignee
Mertik Maxitrol GmbH and Co KG
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 Mertik Maxitrol GmbH and Co KG filed Critical Mertik Maxitrol GmbH and Co KG
Priority to SI201031567T priority Critical patent/SI2404113T1/sl
Priority to PL10708916T priority patent/PL2404113T3/pl
Publication of EP2404113A2 publication Critical patent/EP2404113A2/fr
Publication of EP2404113B1 publication Critical patent/EP2404113B1/fr
Application granted granted Critical
Publication of EP2404113B8 publication Critical patent/EP2404113B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/007—Regulating fuel supply using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/08—Measuring temperature
    • F23N2225/14—Ambient temperature around burners
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/1407—Combustion failure responsive fuel safety cut-off for burners
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7737—Thermal responsive

Definitions

  • the invention relates to a gas control valve for a gas heating furnace or the like according to the preamble of the first claim.
  • Gas control valves for a gas heater or the like are available in a variety of designs. They serve to ignite and to control or regulate a gas flow flowing to a burner while ensuring the safety of the operator and the installation.
  • the controlled temperature is usually the room temperature, which is detected by a temperature sensor, which is connected via a capillary with a metal bellows as a lifting element.
  • gas control valves in which the main power is switched on or off (two-position controller) or the gas control valve has a combination between two-position controller and proportional controller.
  • a gas control valve is known preferably for installation in individual room heaters from DE 299 05 204 U1, which operates without auxiliary power.
  • the switching system of a combined proportional controller / two-position controller is arranged in the housing after the main valve.
  • This switching system can be influenced via a temperature-sensitive actuating device. It consists of a temperature sensor located outside the housing and a metal bellows arranged in the gas control fitting, which are both connected to one another via a capillary line, wherein all parts are filled with liquid.
  • adjusting devices operate on the principle of liquid expansion with temperature increase. If the temperature at the temperature sensor changes, then This change affects a correspondingly directed movement of the metal bellows. This hub is transferred to the switching system.
  • gas control valves usually have to be adjusted within the scope of production.
  • the capillary and the metal bellows are exposed to the prevailing temperature in their environment.
  • adversely affecting the control temperature with respect to the set, i. desired setpoint. This becomes particularly serious and unacceptable if it is not a relatively constant deviation of the ambient temperature, but strong fluctuations occur.
  • this is almost always the case when the gas control valve to achieve a compact design of the gas heating furnace is within the same, ie in the vicinity of the gas burner.
  • the invention is based on the problem of providing a gas control fitting in which the distortions of the temperature value to be controlled caused by fluctuations in the ambient temperature are prevented. Furthermore, the gas control valve should have the simplest possible structure. Also, retrofitting without intervention in the gas-carrying space is to be made possible.
  • the problem is solved by the fact that outside of the gas-carrying space of the gas control valve one or more bimetallic discs between a control element for setting the desired temperature and a longitudinally movable plunger are. About the projecting into the gas-conducting space plunger, a switch is actuated, which controls at least one valve for controlling the gas flow to the main burner.
  • the bimetallic disks are arranged so that the position of the metal bellows can be influenced by their total height depending on the ambient temperature in the direction of movement of the plunger.
  • bimetallic disks are arranged as close as possible to the metal bellows between this and the operating element. So both are exposed to the same temperature influence and there is a very accurate compensation.
  • a further advantageous embodiment is obtained when an intermediate piece is supported on the metal bellows, in particular, when the intermediate piece on its side remote from the metal bellows end additionally has an axial pin for receiving the then centrally perforated bimetal and the pin in a guide bore of a fixed to the Operating element connected pressure piece on which the bimetallic discs are supported, is guided.
  • FIG. 1 shows a gas control fitting according to the invention, partly in section
  • FIG. 2 shows a detailed view A of the gas control fitting according to the invention from FIG. 1
  • FIG. 3 shows a modified detailed view A of the gas control fitting according to the invention from FIG
  • the illustrated in Figure 1 exemplary gas control valve according to the invention is a switching and control device, which is preferably intended for installation in a gas heating furnace or the like. It enables the operation and monitoring of a burner by controlling the amount of gas flowing to the burner.
  • the gas control valve consists of a housing 1, which has a gas inlet 2 marked by a directional arrow and a gas outlet 3, likewise marked by a directional arrow, as well as an ignition gas outlet 4.
  • a gas inlet 2 marked by a directional arrow
  • a gas outlet 3 likewise marked by a directional arrow, as well as an ignition gas outlet 4.
  • Temperature control unit 7 for the amount of gas flowing to the main burner.
  • a valve which is a jump-shaped Switching on and off in the partial load range causes arranged downstream of the main valve in the flow path of the gas flow for the main burner. It can be controlled by a switch.
  • a ram 8 which is in frictional connection with the switch and is movable longitudinally, projects out of the gas-carrying space of the housing 1. With its end facing away from the switch, the plunger 8 is supported on a metal bellows 9.
  • the metal bellows 9 is connected via a capillary 10 with a temperature sensor 11.
  • Metal bellows 9, capillary 10 and temperature sensor 11 are filled with a thermo-active liquid.
  • a ball 12 mounted therebetween On its side facing away from the plunger 8 is supported, in this embodiment, advantageously on a ball 12 mounted therebetween, on the metal bellows 9 from an intermediate piece 13, which is located on the opposite side of the metal bellows axial pin 15 in a bore 16 of a pressure piece 14 is guided, which in turn is screwed in a located in the interior of a housing 1 associated with the tubular attachment 19 thread to make a temperature adjustment in the context of manufacturing can.
  • the pressure member 14 is in turn connected to a control element 18 for setting the desired temperature, for example by being pressed.
  • the pin 15 protrudes through a plurality of centrally-perforated bimetal 17, which are supported on the one hand on the metal bellows 9 facing away from the end face of the intermediate piece 13 and on the other hand on the pressure piece 14.
  • Each bimetallic disc 17 has a domed shape that causes its height to decrease when heated.
  • an adjusting element 23 is screwed into the pressure piece 14 at the front and in the middle, wherein the sprue element is provided with the bore 16 in this case.
  • the bimetallic discs 17 are based.
  • an opening 24 in the control element 18 it is also possible to change the temperature adjustment made during the production at a later time.
  • the selected number and arrangement of the bimetallic discs 17 is dependent on the compensating stroke of the metal bellows 9 and the forces to be transmitted.
  • the stroke of the bimetallic disks 17 is added. However, only as much force can be passed on as is possible with a bimetallic disk 17.
  • bimetallic disks 17 are used, which are installed in pairs in a curved manner and compensate for the influence of ambient temperature on the temperature control unit 7.
  • the pressure piece 14 is designed in two parts in this embodiment and consists of a cup-shaped upper part 20 and a tubular lower part 21, which are firmly connected to each other, for example, pressed.
  • the lower part 21 On its side facing the upper part 20, the lower part 21 has a circumferential recess 22, in which the intermediate piece 13 can be supported during assembly.
  • the upper part 20 is a wrapping of the bimetallic discs 17 located on the pin 15 (Fig. 2). This creates an assembly that is particularly suitable for easy retrofitting. List of reference signs

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Temperature-Responsive Valves (AREA)
  • Control Of Combustion (AREA)

Abstract

L'invention concerne un dispositif de réglage de gaz. Le but de l'invention est de créer un dispositif de réglage de gaz qui empêche toute altération de la valeur de température à régler due aux variations de la température ambiante. De plus, ce dispositif doit permettre un équipement ultérieur sans nécessiter une intervention dans l'espace d'écoulement du gaz. A cet effet, le dispositif présente au moins une rondelle bimétallique (17) qui est située en dehors de l'espace d'écoulement de gaz du dispositif de réglage de gaz, notamment entre un élément de commande (18) pour le réglage de la température souhaitée et une tige (8) à mobilité longitudinale dont la position peut être modifiée par un soufflet métallique (9) qui est relié à une sonde de température (11) par l'intermédiaire d'une conduite capillaire (10). La tige (8) qui pénètre dans l'espace d'écoulement de gaz permet d'actionner un interrupteur qui commande une vanne de régulation du flux gazeux cédé au brûleur principal. Les rondelles bimétalliques (17) sont disposées de telle façon que leur hauteur hors tout, qui varie en fonction de la température ambiante, permet d'agir sur la position du soufflet métallique (9) dans la direction de déplacement de la tige (8).
EP10708916.1A 2009-03-04 2010-03-01 Dispositif de réglage de gaz Active EP2404113B8 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI201031567T SI2404113T1 (sl) 2009-03-04 2010-03-01 Armatura za regulacijo plina
PL10708916T PL2404113T3 (pl) 2009-03-04 2010-03-01 Zawór regulacyjny gazu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910011611 DE102009011611B4 (de) 2009-03-04 2009-03-04 Gasregelarmatur
PCT/EP2010/001246 WO2010099915A2 (fr) 2009-03-04 2010-03-01 Dispositif de réglage de gaz

Publications (3)

Publication Number Publication Date
EP2404113A2 true EP2404113A2 (fr) 2012-01-11
EP2404113B1 EP2404113B1 (fr) 2017-07-26
EP2404113B8 EP2404113B8 (fr) 2018-03-28

Family

ID=42538517

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10708916.1A Active EP2404113B8 (fr) 2009-03-04 2010-03-01 Dispositif de réglage de gaz

Country Status (12)

Country Link
US (2) US8602047B2 (fr)
EP (1) EP2404113B8 (fr)
AU (1) AU2010220623B2 (fr)
CA (1) CA2753815C (fr)
DE (1) DE102009011611B4 (fr)
ES (1) ES2645027T3 (fr)
PL (1) PL2404113T3 (fr)
PT (1) PT2404113T (fr)
RU (1) RU2534295C2 (fr)
SI (1) SI2404113T1 (fr)
UA (1) UA103654C2 (fr)
WO (1) WO2010099915A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009011611B4 (de) * 2009-03-04 2014-02-27 Mertik Maxitrol Gmbh & Co. Kg Gasregelarmatur
DE102013004745B4 (de) 2013-03-18 2020-03-05 Mertik Maxitrol Gmbh & Co. Kg Gasregelarmatur
EP3086008B1 (fr) * 2015-04-23 2019-07-03 Danfoss A/S Alliages à mémoire de forme
DE102018001539B4 (de) 2018-02-27 2020-03-05 Mertik Maxitrol Gmbh & Co. Kg Einrichtung zur Statusanzeige eines Gasbrenners

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2123283A (en) * 1934-05-28 1938-07-12 Honeywell Regulator Co Valved device
US2245171A (en) * 1937-04-12 1941-06-10 Milwaukee Gas Specialty Co Regulating valve
US2245060A (en) * 1937-11-08 1941-06-10 Wilcolator Co Temperature control for gas ranges
US2801800A (en) * 1955-07-01 1957-08-06 Brumbaugh Isaac Vernon Thermostatic valve
US2826368A (en) * 1955-10-17 1958-03-11 Robertshaw Rulton Controls Com Combination broiler and oven control
US2980386A (en) * 1959-04-30 1961-04-18 Harold C Reinhart Thermostatic gas valve control
DE2049355A1 (de) * 1970-10-08 1971-10-28 Wobig Armaturenfab Alberto Betätigungsvorrichtung für den Ventilkörper insbes. von Vierwegeventilen
SE403827B (sv) * 1977-01-28 1978-09-04 Tour & Andersson Ab Anordning vid vermeanleggningar med varmvattenberedare
SU1087746A1 (ru) * 1982-11-04 1984-04-23 Донецкое Научно-Производственное Объединение По Разработке И Выпуску Газовой Аппаратуры "Газоаппарат" Устройство дл контрол и управлени работой горелки
US4836496A (en) * 1987-08-27 1989-06-06 Johnson Service Company SMF actuator
DE29905204U1 (de) * 1999-03-22 1999-06-10 Mertik Maxitrol GmbH & Co. KG, 06502 Thale Gasregelarmatur
DE102009011611B4 (de) * 2009-03-04 2014-02-27 Mertik Maxitrol Gmbh & Co. Kg Gasregelarmatur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010099915A2 *

Also Published As

Publication number Publication date
DE102009011611B4 (de) 2014-02-27
RU2011137002A (ru) 2013-04-10
US20140137954A1 (en) 2014-05-22
WO2010099915A3 (fr) 2010-12-09
US20120024401A1 (en) 2012-02-02
US9151497B2 (en) 2015-10-06
PL2404113T3 (pl) 2018-01-31
US8602047B2 (en) 2013-12-10
EP2404113B1 (fr) 2017-07-26
EP2404113B8 (fr) 2018-03-28
DE102009011611A1 (de) 2010-09-09
ES2645027T3 (es) 2017-12-01
WO2010099915A2 (fr) 2010-09-10
AU2010220623A1 (en) 2011-09-22
RU2534295C2 (ru) 2014-11-27
AU2010220623B2 (en) 2014-09-04
SI2404113T1 (sl) 2017-11-30
PT2404113T (pt) 2017-11-09
CA2753815C (fr) 2016-08-23
UA103654C2 (ru) 2013-11-11
CA2753815A1 (fr) 2010-09-10

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