EP0863339A2 - Gas-Stellgerät - Google Patents
Gas-Stellgerät Download PDFInfo
- Publication number
- EP0863339A2 EP0863339A2 EP97119101A EP97119101A EP0863339A2 EP 0863339 A2 EP0863339 A2 EP 0863339A2 EP 97119101 A EP97119101 A EP 97119101A EP 97119101 A EP97119101 A EP 97119101A EP 0863339 A2 EP0863339 A2 EP 0863339A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- actuator
- gas
- spring
- lifting
- stop element
- 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
Links
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 1
Images
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
-
- 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
-
- 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
- Y10T137/86493—Multi-way valve unit
- Y10T137/86718—Dividing into parallel flow paths with recombining
- Y10T137/86759—Reciprocating
Definitions
- the invention relates to a gas control device for a gas fan burner in heating systems, with a housing that a gas inlet side chamber, a gas outlet side chamber and has at least one passage opening with valve seat, an actuator with lifting anchor and at least one Valve plate and a control magnet device with coil and a closing spring acting on the actuator.
- Gas actuators of the type described are in practice often for two-stage operation of the gas fan burner set up.
- the burner switches between temperature controlled first and a second burning stage, the two Firing levels different opening strokes of the gas control unit assigned.
- the first stage also becomes Ignition of the burner required.
- To set the different Opening strokes are known Measures two coils provided one after the other In accordance with the desired opening stroke. Because of of the two voluminous coils have the familiar ones Gas actuators considerable dimensions, weights and one high electrical output. This is unsatisfactory.
- the invention has for its object one for suitable for two-stage operation of a gas fan burner Specify gas actuating device, which is characterized by a compact design, low weight and reduced electrical power consumption distinguished.
- a first embodiment provides that the actuator Additional spring that passes between a housing-fixed Support surface and one movably arranged on the actuator as well as adjustable by the tensioning device Spring washer is biased, and that the stop element is firmly connected to the actuator and the spring washer takes off from the seat of the tensioning device if that Actuator executes its opening stroke.
- the spring washer forms the stop surface, which in this embodiment is resiliently supported on the additional spring.
- the actuator with valve disc remains in the constant control current position specified by the prestressed spring washer.
- the first opening stroke corresponds to the control gap distance between spring washer and stop element when de-energized Coil and is adjustable by means of the tensioning device changeable.
- the coil with a higher, also predetermined and constant control current is applied. This is dimensioned so large that the magnetic force is sufficient to Actuator against the spring forces of the closing spring and the Open additional spring.
- the invention does not exclude two or more Additional springs are provided, each additional spring in the described way between a housing-fixed support surface and one movably arranged on the actuator Spring washer is biased. Every spring washer is one Clamping device and one with control distance on the actuator attached attached stop element. With more suitable Coordination of the control gap distances and specification of suitable ones Control flows result in a gas actuator, the opening strokes can perform in several stages and also for a three- or multi-stage operation of a gas fan burner suitable is.
- the actuator one to the Lifting arm has connected control rod, which the Passed through opening and through one of the lifting anchor opposite housing bore is guided.
- the additional spring and the spring washer are on one by the Housing bore guided extension of the control rod arranged, at the end a locking ring as a stop element is attached.
- the tensioning device preferably consists from a cover and one in a housing bore the adjusting screw inserted in the cover. The lid closes an outside chamber receiving the extension of the housing.
- the adjusting screw has an end face blind hole surrounded by an annular support surface on, in the end of the extension carrying the locking ring is so insertable that the spring washer at currentless coil on the ring-shaped support surface of the adjusting screw lies on.
- the arrangement described draws through a particularly simple and space-saving Construction from.
- the control rod is appropriately divided formed and has a attachable to the lifting anchor Valve plate carrier on whose facing away from the lifting anchor End is screwed to the extension.
- the stop surface spring-supported on the additional spring In the embodiment described above, the stop surface spring-supported on the additional spring.
- the additional spring is arranged and supported on the lifting anchor the stop element is spring-movable.
- the tensioning device has an adjusting screw which is fixed in a housing Coil core of the control magnet device is arranged and forms the stop surface in this embodiment.
- the stop element is expediently connected to a bolt, which is movable in a longitudinal bore of the lifting anchor is guided, the additional spring between the Stop element and a support surface of the lifting anchor clamped is.
- the additional spring is preferably in an end Lifting arm receiving chamber inserted. Further is the lifting anchor against an end face of the Movable core.
- the gas actuator shown in Fig. 1 is for one two-stage gas forced draft burner in heating systems. It has a housing 1 which has a chamber on the gas inlet side 3, a gas outlet-side chamber 2 and two passage openings 4, each with a valve seat 5. To the Construction of the gas control unit also includes an actuator 6 with lifting armature 7 and valve plate 8, a control magnet device with a coil 9 assigned to the lifting armature 7 and a closing spring 10 acting on the actuator 6 and a power source, not shown, for supplying two the amount according to different tax flows for the Coil 9.
- the actuator 6 also includes in Additional spring 11 acting between the closing direction support surface 12 fixed to the housing and one on the actuator 6 movably arranged and by a clamping device 13 adjustable spring washer 14 is biased, and has an end stop element 15.
- the stop element 15 is in the closed position shown when the coil is de-energized of the actuator 6 with a control gap distance a arranged to the spring washer 14. With an actuator opening stroke it strikes according to the given Control current on the prestressed spring washer 14 and lifts the spring washer 14 from the seat of the tensioning device 13 from.
- the operation of the gas actuator is based on the 2 understandable, which on the actuator 6th acting spring force depending on the opening stroke.
- a current is applied to the coil which is much smaller than the nominal current and in Embodiment is about 50% of the nominal current, pulls the lifting armature 7 and lifts the actuator against the force the closing spring 10 until the stop element 15 to the Spring washer 14 strikes.
- the spring force that is now resulting from the spring constants of the closing spring 14 and the additional spring 11 is assembled increases by leaps and bounds and becomes so large that the magnetic force of the current
- the coil is not sufficient to keep the valve closed to open.
- the actuator 6 and the valve plate attached to it 8 remain in position with constant current, given by the setting of the spring washer 14 is.
- the opening stroke of the actuator corresponds to the control gap distance a and is 2 mm in the exemplary embodiment. Of the Control gap distance a and thus the opening stroke is by means of the tensioning device 13 is adjustable and changeable.
- the coil 9 with a between 70% and 90% of the nominal current specified control current.
- the control current for the larger opening stroke is dimensioned that the magnetic force of the coil 9 is sufficient to Actuator 6 against the sum of the spring forces from the closing spring 10 and additional spring 11 to open.
- the embodiment is operated with a control current that is 80% of the nominal current, with an opening stroke of sets a total of 6 mm.
- the current source is a constant current source, which for a first opening stroke between 40% and 60% of the Rated current and one for a second opening stroke between 70% and 90% of the nominal control current delivers.
- the current source is a constant current source, which for a first opening stroke between 40% and 60% of the Rated current and one for a second opening stroke between 70% and 90% of the nominal control current delivers.
- the Actuator 6 is an actuator rod connected to the lifting armature 7 16, which passes through the passage openings 4 and by a lifting armature 7 opposite Housing bore 17 is guided.
- the additional spring 11 and the Spring washer 14 are on a through the housing bore 17th guided extension 18 of the control rod 16 arranged the end of which is a locking ring as a stop element 15 is attached.
- the tensioning device 13 is in the embodiment from a lid 19 and one into one Threaded hole of the cover 19 used adjusting screw 20. The lid 19 closes an outside, the extension receiving chamber of the housing 1.
- the adjusting screw 20 has an end face, of an annular Support surface surrounded blind hole 21, in which the Retaining ring 15 bearing end of the extension 18 such is insertable that the spring washer 14 when de-energized Coil 9 on the annular support surface of the adjusting screw 20 rests.
- FIG. 1 shows that the adjusting rod 16 is divided and one on has the valve plate support that can be attached to the lifting anchor, whose end facing away from the lifting anchor 7 with the extension 18 is screwable.
- the gas actuating device is the additional spring 11 arranged on the lifting anchor 7 and supports the stop element 15 ' resilient.
- the tensioning device 13 has an adjusting screw 20 'on that in a housing-fixed coil core 22 of the control magnet device is arranged and the Stop surface 14 'forms.
- the stop element 15 'with control gap distance a to Stop surface 14 'of the clamping device is arranged. It strikes the stop surface during an actuator opening stroke 14 'on. If the actuator opening stroke continues the additional spring 11 supporting the stop element 15 ' curious; excited.
- FIG. 3 shows that the stop element 15 ' a bolt 23 is connected, which is in a longitudinal bore of the lifting armature 7 is movably guided, and that the Additional spring 11 between the stop element 15 'and one Support surface 24 of the lifting armature 7 is clamped.
- the additional spring 11 is in an end receiving chamber of the lifting armature 7 arranged and thereby guided laterally.
- the lifting armature 7 against an end Stop surface 25 of the coil core 22 is movable. This Stop surface 25 limits the maximum opening stroke.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Magnetically Actuated Valves (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
Description
- Fig. 1
- einen Längsschnitt durch ein Gas-Stellgerät,
- Fig. 2
- die Kraftkennlinie der zu dem Gas-Stellgerät in Fig. 1 gehörenden Federanordnung.
- Fig. 3
- eine weitere Ausführungsform des Gas-Stellgerätes, ausschnittsweise und im Längsschnitt.
Claims (10)
- Gas-Stellgerät für einen Gasgebläsebrenner in Heizungsanlagen, mitwobei das Stellglied (6) ein Anschlagelement (15, 15') aufweist, das mit Steuerspaltabstand (a) zur Anschlagfläche (14, 14') einer Spanneinrichtung (13) angeordnet ist, wobei das Anschlagelement (15, 15') bei einem Stellglied-Öffnungshub an der Anschlagfläche (14, 14') anschlägt und bei Fortsetzung des Stellglied-Öffnungshubes eine Zusatzfeder (11) gespannt wird.einem Gehäuse (1), das eine gaseinlaßseitige Kammer (3), eine gaßauslaßseitige Kammer (2) und mindestens eine Durchlaßöffnung (4) mit Ventilsitz (5) aufweist,einem Stellglied (6) mit Hubanker (7) und mindestens einem Ventilteller (8),einer Steuermagneteinrichtung mit einer dem Hubanker (7) zugeordneten Spule (9) sowie einer auf das Stellglied (6) wirkenden Schließfeder (10) undeiner Stromquelle zur Abgabe von zwei dem Betrage nach unterschiedlichen Steuerströmen für die Spule (9),
- Gas-Stellgerät nach Anspruch 1, wobei die Stromquelle eine Konstantstromquelle ist, welche für einen ersten Öffnungshub einen zwischen 40 % und 60 % des Nennstromes und für einen zweiten Öffnungshub einen zwischen 70 % und 90 % des Nennstromes vorgegebenen Steuerstrom abgibt.
- Gas-Stellgerät nach Anspruch 1 oder 2, wobei das Stellglied (6) die Zusatzfeder (11) durchfaßt, welche zwischen einer gehäusefesten Stützfläche (12) und einer auf dem Stellglied beweglich angeordneten sowie von der Spanneinrichtung verstellbaren Federscheibe (14), welche die Anschlagfläche bildet, vorgespannt ist, wobei das Anschlagelement (15) an das Stellglied (6) fest angeschlossen ist und die Federscheibe (14) von dem Sitz der Spanneinrichtung (13) abhebt, wenn das Stellglied (6) seinen Öffnungshub ausführt.
- Gas-Stellgerät nach einem der Ansprüche 1 bis 3, wobei das Stellglied (6) eine an den Hubanker (7) angeschlossene Stellstange (16) aufweist, welche die Durchlaßöffnung (4) durchfaßt und durch eine dem Hubanker (7) gegenüberliegende Gehäusebohrung (17) geführt ist, wobei die Zusatzfeder (11) und die Federscheibe (14) auf einem durch die Gehäusebohrung (17) geführten Fortsatz (18) der Stellstange (16) angeordnet sind und wobei an dem Ende des Fortsatzes (18) ein Sicherungsring als Anschlagelement (15) befestigt ist.
- Gas-Stellgerät nach Anspruch 4, wobei die Spanneinrichtung (13) aus einem Deckel (19) und einer in eine Gewindebohrung des Deckels (19) eingesetzten Einstellschraube (20) besteht, wobei der Deckel (19) eine außenseitige, den Fortsatz (18) aufnehmende Kammer des Gehäuses (1) verschließt und wobei die Einstellschraube (20) eine stirnseitige, von einer ringförmigen Stützfläche umgebene Sackbohrung (21) aufweist, in die das den Sicherungsring tragende Ende des Fortsatzes (18) derart einführbar ist, daß die Federscheibe (14) bei stromloser Spule (9) auf der ringförmigen Stützfläche der Einstellschraube (20) aufliegt.
- Gas-Stellgerät nach Anspruch 4 oder 5, wobei die Stellstange (16) geteilt ausgebildet ist und einen an dem Hubanker (7) befestigbaren Ventiltellerträger aufweist, dessen von dem Hubanker (7) abgewandtes Ende mit dem Fortsatz (18) verschraubbar ist.
- Gas-Stellgerät nach Anspruch 1 oder 2, wobei die Zusatzfeder (11) am Hubanker (7) angeordnet ist und das Anschlagelement (15') federbeweglich stützt, wobei die Spanneinrichtung (13) eine Einstellschraube (20') aufweist, die in einem gehäusefesten Spulenkern (22) der Steuermagneteinrichtung angeordnet ist und die Anschlagfläche (14') bildet.
- Gas-Stellgerät nach Anspruch 7, wobei das Anschlagelement (15') an einen Bolzen (23) angeschlossen ist, der in einer Längsbohrung des Hubankers (7) beweglich geführt ist, und wobei die Zusatzfeder (11) zwischen dem Anschlagelement (15') und einer Stützfläche (24) des Hubankers (7) eingespannt ist.
- Gas-Stellgerät nach Anspruch 8, wobei die Zusatzfeder (11) in einer endseitigen Aufnahmekammer des Hubankers (7) eingesetzt ist.
- Gas-Stellgerät nach einem der Ansprüche 1 bis 9, wobei der Hubanker (7) gegen eine stirnseitige Anschlagfläche (25) des Spulenkerns (22) bewegbar ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19650445 | 1996-12-05 | ||
| DE19650445A DE19650445C1 (de) | 1996-12-05 | 1996-12-05 | Gas-Stellgerät |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0863339A2 true EP0863339A2 (de) | 1998-09-09 |
| EP0863339A3 EP0863339A3 (de) | 1998-11-04 |
| EP0863339B1 EP0863339B1 (de) | 2003-04-02 |
Family
ID=7813717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97119101A Expired - Lifetime EP0863339B1 (de) | 1996-12-05 | 1997-11-01 | Gas-Stellgerät |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5816560A (de) |
| EP (1) | EP0863339B1 (de) |
| DE (2) | DE19650445C1 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2162179C1 (ru) * | 2000-05-22 | 2001-01-20 | Общество с ограниченной ответственностью "Ямбурггаздобыча" | Клапан запорно-регулирующий |
| DE10114249A1 (de) * | 2001-03-22 | 2002-09-26 | Siemens Building Tech Ag | Doppelventil |
| RU2270391C2 (ru) * | 2003-03-17 | 2006-02-20 | ОАО "Научно-производственное объединение "Промавтоматика" | Клапан запорно-регулирующий |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10051849C1 (de) | 2000-10-19 | 2001-10-18 | Jci Regelungstechnik Gmbh | Gassicherheitsabsperrventil |
| DE10107190C1 (de) * | 2001-02-16 | 2002-10-10 | Heatec Thermotechnik Gmbh | Gas-Wärmeerzeugungseinrichtung |
| DE10112667C2 (de) * | 2001-03-16 | 2003-11-27 | Bosch Gmbh Robert | Vorrichtung zum Zuführen von Gas bei einem Gas-Wassererhitzer |
| DE10214285A1 (de) * | 2002-03-28 | 2003-10-16 | Heatec Thermotechnik Gmbh | Gasarmatur, insbesondere zur Proportionsalsteuerung von Gasflüssen |
| JP4372448B2 (ja) * | 2003-04-25 | 2009-11-25 | 三菱電機株式会社 | 比例電磁弁 |
| JP2005299811A (ja) * | 2004-04-13 | 2005-10-27 | Tgk Co Ltd | 流体制御弁 |
| US9579238B2 (en) | 2005-02-17 | 2017-02-28 | The Procter & Gamble Company | Sanitary napkins capable of taking complex three-dimensional shape in use |
| US8211078B2 (en) | 2005-02-17 | 2012-07-03 | The Procter And Gamble Company | Sanitary napkins capable of taking complex three-dimensional shape in use |
| US7219695B2 (en) * | 2005-06-17 | 2007-05-22 | General Motors Corporation | Hydrogen valve with pressure equalization |
| US7883073B2 (en) | 2008-01-15 | 2011-02-08 | Emerson Process Management Power And Water Solutions, Inc. | Methods and apparatus for adjusting a spring load in an actuator |
| WO2012115740A2 (en) * | 2011-02-21 | 2012-08-30 | Emerson Electric Co. | Valves, pressure sensing devices, and controllers for heating appliances |
| DE102019115969A1 (de) * | 2019-06-12 | 2020-12-17 | Ebm-Papst Landshut Gmbh | Gas-Sicherheitsventil |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1496822A (fr) * | 1966-08-26 | 1967-10-06 | Saunier Duval | Electrovanne électromagnétique à double noyau mobile |
| FR2110603A5 (de) * | 1970-10-23 | 1972-06-02 | Leblanc Sa | |
| FR2365742A1 (fr) * | 1976-09-24 | 1978-04-21 | Saunier Duval | Electrovalve tous gaz a ouverture progressive pour la commande et la regulation de l'arrivee du gaz a un bruleur d'appareils du genre chaudieres a gaz |
| FR2425617A1 (fr) * | 1978-05-08 | 1979-12-07 | Saunier Duval | Dispositif de reglage du petit debit d'une electrovanne pour appareils du genre chaudiere a gaz |
| DE2831733A1 (de) * | 1978-06-26 | 1980-01-03 | Landis & Gyr Ag | Zweistufen-gasventil |
| JPS589307B2 (ja) * | 1978-08-23 | 1983-02-19 | 株式会社日立製作所 | 比例形電磁弁 |
| JPS6038593B2 (ja) * | 1979-02-21 | 1985-09-02 | 株式会社日立製作所 | 比例制御弁 |
| JPS5813283A (ja) * | 1981-07-15 | 1983-01-25 | Hitachi Ltd | 比例制御弁 |
| FR2518693A1 (fr) * | 1981-12-21 | 1983-06-24 | Sdecc | Electrovalve a ouverture progressive pour la commande et la regulation de l'arrivee du gaz a un bruleur |
| CH665264A5 (fr) * | 1985-03-18 | 1988-04-29 | Honeywell Lucifer Sa | Electrovalve a plusieurs debits. |
| US4637429A (en) * | 1985-10-11 | 1987-01-20 | Honeywell Inc. | Fluid pressure regulating valve having adjustable two-stage and natural-LP gas changeover capabilities |
| JPH0240475A (ja) * | 1988-07-29 | 1990-02-09 | Matsushita Refrig Co Ltd | 脱臭機能付冷蔵庫 |
| JPH02113184A (ja) * | 1988-10-21 | 1990-04-25 | Kanbishi Denki Seizo Kk | 電磁弁 |
| JPH0560259A (ja) * | 1991-08-28 | 1993-03-09 | Mitsubishi Electric Corp | 流量制御バルブ |
| US5263514A (en) * | 1992-09-28 | 1993-11-23 | Delavan Inc | Boom control valve |
-
1996
- 1996-12-05 DE DE19650445A patent/DE19650445C1/de not_active Expired - Fee Related
-
1997
- 1997-11-01 DE DE59709692T patent/DE59709692D1/de not_active Expired - Fee Related
- 1997-11-01 EP EP97119101A patent/EP0863339B1/de not_active Expired - Lifetime
- 1997-12-04 US US08/985,433 patent/US5816560A/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| None |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2162179C1 (ru) * | 2000-05-22 | 2001-01-20 | Общество с ограниченной ответственностью "Ямбурггаздобыча" | Клапан запорно-регулирующий |
| DE10114249A1 (de) * | 2001-03-22 | 2002-09-26 | Siemens Building Tech Ag | Doppelventil |
| RU2270391C2 (ru) * | 2003-03-17 | 2006-02-20 | ОАО "Научно-производственное объединение "Промавтоматика" | Клапан запорно-регулирующий |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0863339B1 (de) | 2003-04-02 |
| DE59709692D1 (de) | 2003-05-08 |
| EP0863339A3 (de) | 1998-11-04 |
| DE19650445C1 (de) | 1998-06-04 |
| US5816560A (en) | 1998-10-06 |
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