EP1025395A1 - Regulateur de gaz - Google Patents

Regulateur de gaz

Info

Publication number
EP1025395A1
EP1025395A1 EP98956853A EP98956853A EP1025395A1 EP 1025395 A1 EP1025395 A1 EP 1025395A1 EP 98956853 A EP98956853 A EP 98956853A EP 98956853 A EP98956853 A EP 98956853A EP 1025395 A1 EP1025395 A1 EP 1025395A1
Authority
EP
European Patent Office
Prior art keywords
gas
valve
switch
control valve
spring
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
EP98956853A
Other languages
German (de)
English (en)
Other versions
EP1025395B1 (fr
Inventor
Barbara Happe
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
Publication of EP1025395A1 publication Critical patent/EP1025395A1/fr
Application granted granted Critical
Publication of EP1025395B1 publication Critical patent/EP1025395B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • 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
    • 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
    • F23N5/10—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
    • F23N5/107—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples using mechanical means, e.g. safety valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2231/00—Fail safe
    • F23N2231/02—Fail safe using electric energy accumulators
    • 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
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/18—Groups of two or more valves
    • 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
    • F23N5/06—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using bellows; using diaphragms
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86928—Sequentially progressive opening or closing of plural valves
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86928—Sequentially progressive opening or closing of plural valves
    • Y10T137/87016—Lost motion
    • 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
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures
    • Y10T137/87981—Common actuator
    • 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
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures
    • Y10T137/88046—Biased valve with external operator

Definitions

  • the invention relates to a gas control valve for a gas-fired stove or the like according to the preamble of the first claim
  • Gas control fittings for a gas heating stove or the like are available in a large number of designs. They are used to regulate the gas flow flowing to a burner. For decorative stoves in particular, it is worthwhile for decorative reasons to be able to influence the visible flame. In most cases, for one Frequent adjustment of the unfavorable installation position of the gas control fittings mentioned is generally known to switch the main burner on or off by means of a separate switch
  • -> ⁇ ses control valve causes the opening and closing of the gas supply to the main burner.
  • the circuit is opened or closed with the aforementioned thermal switch.
  • a Electromagnet is used, which acts on a pressure regulator.
  • the invention is based on the problem of developing a gas control valve of the type mentioned which has a variable setting of the gas quantity.
  • the use of a remote control should be made possible for this purpose.
  • the manufacturing effort and the size are to be kept as small as possible
  • the problem is solved by a one in the housing downstream of the main valve in the flow path of the gas flow for the main burner abrupt switching on and off effecting first valve and a modulating control effecting second valve are arranged, which can be controlled jointly by a switch preloaded by a resilient element in such a way that when the switch is initially actuated, the first valve opens abruptly and during a further adjustment of the switch, the second valve is opened progressively.
  • the switch can be actuated by a slowly moving plunger which protrudes outwards from the housing and the position of which can be changed via an operating element.
  • the operating element is manual and / or by a drive unit in the form of a battery-powered, electrical 10 driven motor can be actuated
  • the .o arranged between the operating element and the plunger resilient element consists of at least two spring elements, the spring constant of one spring element being designed so that it is on block length if the Switching path of the switch is in the area of the jump-on switching on and off If, on the other hand, the switching path of the switch is in the area of the modulating control, both spring elements are in their resilient area.
  • the two spring elements each have one or more disc springs consist
  • FIG. 1 shows a gas control valve according to the invention in section.
  • FIG. 2 shows a view A of the gas control valve according to the invention.
  • FIG. 3 shows an enlarged view of a switch from the gas control valve according to the invention in section
  • Fig. 2 is an enlarged view of a spring from the gas control valve according to the invention
  • the exemplary gas control fitting according to the invention shown in FIG. 1 is a switching and control device which is preferably intended for installation in a gas-fired stove or the like. It enables the burner to be operated and monitored, the pressure control and the flame height adjusted by the end of the flow to the main burner Amount of gas is controlled
  • This gas control valve consists of a die-cast aluminum housing 1 in which the individual functional units, some of which can be operated from the outside using controls 2/3.
  • the housing 1 is composed of an upper part 4 and a lower part 5, between which a flat gasket 6 ensures the external tightness.
  • the position of the separation point is not arbitrary and depends on the design of the functional units
  • an actuating rod 10 is rotatable in a bearing point of the upper part 4 and, depending on a guide contour 11, is also mounted so that it can move slowly, the necessary gas tightness being ensured, for example, by a round ring 12
  • a rotary valve 16 which forms the main valve and is made in connection with openings 19/20 which are explained in more detail below, is guided in rotary direction and is pressed by a spring clip 17 against a sealing surface 18, in each of which an opening 19 for the Main gas flow and an opening 20 for the ignition gas flow is located
  • the guide contour 11 described above is designed so that
  • the lower part 5 Aligned with the rotary slide valve 16 and thus in the extension of the actuating rod 10, the lower part 5 has an opening 21 to an ignition safety valve 22
  • the ignition safety valve 22 is influenced by a thermoelectric ignition magnet 23 arranged in a gas-tight manner in a bearing of the lower part 5
  • a bracket 24 which is freely movable in the longitudinal direction of the actuating rod 10 but guided in the direction of rotation by the actuating rod 10 and which is supported by a spring 25 which is supported on the rotary valve 16 in the direction of the ignition safety valve 22
  • the sliding surface 26 formed by the rotary movement of the bow egg 24 in the lower part 5 is interrupted by a groove 27 in which the two ends of the bow egg 24 are located due to the action of the spring 25, when the rotary slide valve 16 is in the upper part 4 located breakthroughs 19/20 for the main gas stream and the ignition gas stream are closed and at the same time the ignition safety valve 22 is in the open position
  • the bracket 24 furthermore has a tongue 28 projecting axially in the direction of the ignition safety valve 22, the length of which is dimensioned such that when the ignition safety valve 22 is closed and the openings 19/20 are closed, the two ends of the bowel 24 are located outside the groove 27
  • the mode of operation of the re-switching regulation is as follows. If the ignition gas flow is to be ignited, then the actuating rod 10 is rotated by means of the operating element 2 so far that the opening 20 located in the upper part 4 is sufficiently opened for the ignition gas flow, but the opening 19 is closed for the main gas flow is at the same time an otherwise existing by the guide contour 1 1 lock against low pressure then the actuating rod 10 is printed so far that its end via the ignition safety valve 22 attaches the armature of the ignition safety magnet 23 As illustrated by the flow arrow shown in FIG. 1, the gas flows Via the gas inlet 65 through the open ignition safety valve 22 Through the open opening 20, the ignition gas flows via the ignition outlet 66 to the ignition burner (not shown) and can be ignited. If you let go of the operating handle 2 after a certain time when the ignition safety magnet 23 is energized, the ignition safety valve 22 remains in its position and only the actuating rod 10 slides upwards. A position which is usually called "operational readiness" is reached, in which only
  • the opening 19 for the main gas flow and the opening 20 for the ignition gas flow are closed by the rotary valve 16 Opened because excitation ignition safety valve 0 22, the bracket 24 falls with its two ends into the groove 27 and thus prevents the actuation handle 10 from rotating and thus prevents the opening 20 for the ignition gas flow or the opening 19 for the main gas flow through the rotary valve 16 from opening when the ignition safety magnet 23 is no longer energized, the ignition safety valve 22 is closed and the two ends of the bow egg 24 are moved out of the groove 27 via the tongue 28, so that it can be ignited again
  • the pressure regulator 8 In Stromungsnchtu ⁇ g behind the commissioning 7, the pressure regulator 8 is arranged.
  • the pressure regulator 8 consists of a gas-tight membrane that is gas-tight around its circumference.
  • an externally adjustable pressure spring 30 In its pot-shaped part there is an externally adjustable pressure spring 30 which counteracts the gas pressure behind a valve plate 31 which acts on the end of the pot-shaped protruding into the housing 1 Part of the membrane 29 is attached.
  • the pressure regulator 8 is set depending on the type of gas used.
  • the switch 33 has a spring spring 48 which is double-slotted on one side and which is supported on the one hand with its two outer ends 49 on the slotted side in a first bearing 50 located in the housing 1, and on the other hand with its non-slotted side 51 is connected to a lyre spring 52, which is supported in a second bearing 53 located in the housing 1.
  • a first valve closing body 55 assigned to the first valve 47 is mounted in a first guide bore 54, to which a first valve seat 56 located in the lower part 5 is assigned.
  • a second valve closing body 59 which is assigned to the second valve 44 and is located in a second guide bore 58, is mounted, to which a second valve seat 60 located in the lower part 5 is assigned.
  • a lever 62 which is supported in a third bearing 61 in the lower part 5 and is acted upon by the plunger 32, acts on the tongue 57 of the spring 48 with its other end.
  • the stroke of the switch 33 is determined by the movement of the spring 48 limiting stops 63/64.
  • the switch 33 is designed in such a way that a modulating control via the valve 44 with an abrupt switching on and off in the partial load range is effected via the valve 47.
  • the partial load flow is limited by an adjustable nozzle 34.
  • the plunger 32 which is non-positively connected to the switch 33 and moves longitudinally, protrudes from the gas-carrying housing 1 in the upper part 4, which also forms a bearing point for it.
  • the necessary gas tightness is reduced by, for example, a round ring 35. Guaranteed outside.
  • the plunger 32 is supported on an intermediate piece 36, which is located in a tubular attachment 37 which is integrally connected to the upper part 5.
  • the intermediate piece 36 On its side facing away from the plunger 32, the intermediate piece 36 has a peg-shaped extension which, on the one hand, holds a serves further explained below in more detail resilient element, and on the other hand is guided in a slow motion in a pressure piece 38 which in turn is screwed in a thread located inside the attachment 37.
  • the pressure piece 38 is in turn firmly connected to the control element 3, for example by being pressed in Limitation of the rotary movement of the operating element 3, in conjunction with corresponding shapes of the operating element 3, serves as a stop located on the attachment 37
  • the resilient element consists of five plate springs 39, the spring constant of a plate spring 39 being designed in such a way that this plate spring 39 is maximally compressed, ie is block length, when the switching path of the switch 33 is in the area of the sudden switching on and off If, on the other hand, the switching path of the switch 33 is in the area of the modulating control, all the plate springs 39 are in their resilient area.
  • the "softer" plate spring 39 ensures that the adjustment path is increased, so that a more sensitive adjustment is made possible
  • the control element 3 has a toothing 40 in the area of its outer circumference, into which a pinion 46 belonging to a transmission gear 41 engages.
  • the transmission gear 41 is coupled to a drive unit 42 fastened to the housing 1, which consists of an electric motor and a battery
  • a slip clutch 43 is known between the drive unit 42 and the operating element 3, which is known to the person skilled in the art and is therefore not explained in detail
  • the motor is connected via a trunk cable 45 to a commercially available switch or button, not shown
  • the operation of the control unit 9 for the amount of gas flowing to the main burner is as follows
  • the main gas flow flows through the opening 19 and the pressure regulator 8 to the switch, as is also illustrated by the flow arrows shown in FIG. 1 33 If the control element 3 is in the minimum position limited by the stop located on the attachment 37, the switch 33 is closed and the main burner is out of operation.
  • the longitudinal movement of the ice cream 32 causes a rotary movement of the lever 62 mounted in the bearing 61, while the valve 44 remains closed via the tongue 57, under the action of the lyre spring 52 the valve closing body 55 suddenly lifts off from the valve seat 56.
  • the constant, limited by the nozzle 34 The amount of gas flows through the gas outlet 67 to the main burner and is ignited via the pilot flame. The flames burn with a minimum height.
  • the setting of the flame height can also be carried out by manual actuation of the control element 3 instead of by means of the remote control.
  • Breakthrough 54 first guide hole
  • Ignition fuse valve 56 first valve seat

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Magnetically Actuated Valves (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Treating Waste Gases (AREA)
  • Sampling And Sample Adjustment (AREA)
EP98956853A 1997-10-23 1998-10-20 Regulateur de gaz Expired - Lifetime EP1025395B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19746788 1997-10-23
DE19746788A DE19746788C1 (de) 1997-10-23 1997-10-23 Gasregelarmatur
PCT/EP1998/006620 WO1999022175A1 (fr) 1997-10-23 1998-10-20 Regulateur de gaz

Publications (2)

Publication Number Publication Date
EP1025395A1 true EP1025395A1 (fr) 2000-08-09
EP1025395B1 EP1025395B1 (fr) 2002-03-20

Family

ID=7846363

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98956853A Expired - Lifetime EP1025395B1 (fr) 1997-10-23 1998-10-20 Regulateur de gaz

Country Status (11)

Country Link
US (1) US6029705A (fr)
EP (1) EP1025395B1 (fr)
JP (1) JP4124963B2 (fr)
KR (1) KR100571097B1 (fr)
AT (1) ATE214800T1 (fr)
DE (2) DE19746788C1 (fr)
DK (1) DK1025395T3 (fr)
ES (1) ES2173644T3 (fr)
HK (1) HK1031417A1 (fr)
PT (1) PT1025395E (fr)
WO (1) WO1999022175A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29905204U1 (de) 1999-03-22 1999-06-10 Mertik Maxitrol Gmbh & Co Kg Gasregelarmatur
DK1106923T3 (da) * 1999-12-02 2006-10-09 Sit La Precisa Spa Ventilenhed til styring af afgivelsen af en brændbar gas
DE10045642A1 (de) * 2000-09-15 2002-04-25 Heatec Thermotechnik Gmbh Feuerungseinrichtung
US6786225B1 (en) * 2000-11-15 2004-09-07 Emerson Electric Co. Three-stage relay control
US6520199B2 (en) 2000-12-29 2003-02-18 Chin-Ying Huang Gas valve switch structure of gas stove
DE10305929B3 (de) * 2003-02-13 2004-09-30 Mertik Maxitrol Gmbh & Co. Kg Verfahren und Anordnung zum Zünden eines Gasstromes
DE10309469B3 (de) * 2003-03-03 2004-10-21 Mertik Maxitrol Gmbh & Co. Kg Gasregelarmatur
DE102004012202A1 (de) 2004-03-12 2005-09-29 Mertik Maxitrol Gmbh & Co. Kg Gasregelarmatur
US20050208443A1 (en) * 2004-03-17 2005-09-22 Bachinski Thomas J Heating appliance control system
DE102004028039B3 (de) * 2004-06-09 2005-04-14 Mertik Maxitrol Gmbh & Co. Kg Gassteckdose
CA2501252A1 (fr) * 2005-03-17 2006-09-17 Hon Technology Inc. Soupape a gaz monoetage
US8028968B2 (en) * 2007-05-22 2011-10-04 Mike Gum Variable orifice gas flow modulating valve
US8678345B2 (en) 2007-05-22 2014-03-25 Mike Gum Variable orifice gas flow modulating valve
DE102008021164B4 (de) * 2008-04-28 2011-08-25 Mertik Maxitrol GmbH & Co. KG, 06502 Verfahren und Gasregelarmatur zur Überwachung der Zündung eines Gasgerätes, insbesondere eines gasbeheizten Kaminofens
DE102010019960B4 (de) * 2010-05-05 2012-09-13 Mertik Maxitrol Gmbh & Co. Kg Gasregelarmatur
DE102011116797B4 (de) 2011-10-24 2016-12-22 Mertik Maxitrol Gmbh & Co. Kg Gasregelarmatur
EP2868970B1 (fr) 2013-10-29 2020-04-22 Honeywell Technologies Sarl Dispositif de régulation
EP3726137B1 (fr) * 2019-04-19 2024-04-10 Ningbo Richen Electrical Appliance Co., Ltd. Soupape de gaz à combinaison de canal à sorties multiples

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US2228198A (en) * 1937-12-22 1941-01-07 Titan Valve And Mfg Company Double acting thermostatic mechanism
US2371351A (en) * 1940-03-20 1945-03-13 Gen Controls Co Manual reset valve
NL7312898A (en) * 1973-09-19 1975-03-21 Hendrik Willem Durieux Roudaal Control and protection unit for pilot light - is for gas fired heating system using thermo-sensitive elements to operate magnetic valves
DE3025893A1 (de) * 1980-07-09 1982-02-04 Robert Bosch Gmbh, 7000 Stuttgart Gasarmatur, insbesondere fuer heizoefen
US4729396A (en) * 1986-12-05 1988-03-08 Robertshaw Controls Company Fuel control valve construction, parts therefor and methods of making the same
US4962750A (en) * 1989-11-06 1990-10-16 R. H. Peterson Company Remote control of gas fireplace burner
BR9106155A (pt) * 1990-03-14 1993-03-09 Armando Gandolfi Dispositivo para controle de afluxo de gas,vapor d'agua ou de outros fluidos
AU653181B2 (en) * 1990-11-19 1994-09-22 Mic Co., Ltd. Valve and solenoid valve operated by very small force
IT1264955B1 (it) * 1993-07-20 1996-10-17 Sit La Precisa Spa Azionatore per bruciatore a gas con sicurezza di fiamma ed elettrovalvola di regolazione.
CN2213296Y (zh) * 1995-02-17 1995-11-22 广东省中南科信电子燃气具公司 遥控式全自动燃气热水器

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Title
See references of WO9922175A1 *

Also Published As

Publication number Publication date
WO1999022175A1 (fr) 1999-05-06
ATE214800T1 (de) 2002-04-15
US6029705A (en) 2000-02-29
DE19746788C1 (de) 1999-05-12
JP4124963B2 (ja) 2008-07-23
KR20010031324A (ko) 2001-04-16
DK1025395T3 (da) 2002-07-15
EP1025395B1 (fr) 2002-03-20
ES2173644T3 (es) 2002-10-16
KR100571097B1 (ko) 2006-04-13
JP2001521134A (ja) 2001-11-06
HK1031417A1 (en) 2001-06-15
DE59803463D1 (de) 2002-04-25
PT1025395E (pt) 2002-09-30

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