EP2189719A2 - Method for adjusting a heat output of a multi-ring burner, in particular dual ring burner and device for executing such a method - Google Patents
Method for adjusting a heat output of a multi-ring burner, in particular dual ring burner and device for executing such a method Download PDFInfo
- Publication number
- EP2189719A2 EP2189719A2 EP09176585A EP09176585A EP2189719A2 EP 2189719 A2 EP2189719 A2 EP 2189719A2 EP 09176585 A EP09176585 A EP 09176585A EP 09176585 A EP09176585 A EP 09176585A EP 2189719 A2 EP2189719 A2 EP 2189719A2
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- EP
- European Patent Office
- Prior art keywords
- burner
- power
- valve
- heating power
- setting
- 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
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000009977 dual effect Effects 0.000 title 1
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 230000000903 blocking effect Effects 0.000 claims description 19
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 240000001439 Opuntia Species 0.000 description 1
- 235000004727 Opuntia ficus indica Nutrition 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K5/00—Feeding or distributing other fuel to combustion apparatus
- F23K5/002—Gaseous fuel
- F23K5/005—Gaseous fuel from a central source to a plurality of burners
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/002—Regulating fuel supply using electronic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
- F23D2900/14062—Special features of gas burners for cooking ranges having multiple flame rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2400/00—Pretreatment and supply of gaseous fuel
- F23K2400/20—Supply line arrangements
- F23K2400/201—Control devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2900/00—Special features of, or arrangements for fuel supplies
- F23K2900/05001—Control or safety devices in gaseous or liquid fuel supply lines
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2237/00—Controlling
- F23N2237/02—Controlling two or more burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2237/00—Controlling
- F23N2237/10—High or low fire
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2241/00—Applications
- F23N2241/08—Household apparatus
Definitions
- the invention relates to a method for adjusting a heating power of a multi-circuit burner according to the preamble of claim 1 and an apparatus for performing such a method according to the preamble of claim. 5
- the heating power of a dual-circuit burner can be adjusted via an electronic control device as a function of user-specified heating power levels.
- the control arrangement regulates the partial gas flows to the inner burner and the outer burner of the dual-circuit burner.
- a gas flow rate to the outer burner is interrupted until a low-setting power in the lower heating power range is reached, while only one gas flow rate to the inner burner is set. Between this small adjustment and the full firing of the dual-circuit burner, that is a maximum power, the gas flow is set to the outer burner.
- the gas flow rates to the internal and external burners of the dual-circuit burner are set with complex and expensive control components.
- the object of the invention is to provide a method for adjusting the heat output of a multi-circuit burner or a device for carrying out such a method, in which the heating power is simplified and adjustable with reduced component expenditure.
- the gas flow rate to the internal burner is set in a clock switching operation in the adjustment of the heating power until reaching the small adjustment. That is, according to the invention, the setting of the heating power in the lower power range between 0 and the low-setting power is clocked and not continuous. Elaborate control components for continuously increasing or reducing the internal burner gas flow can thus be omitted taking up space in the gas hob. In particular, if the internal burner is associated with only a small heating power range, the heating power of the internal burner can be done despite clocking with sufficient Einstellgüte.
- the internal burner In a power range below the low-setting power, the internal burner is therefore clocked according to the invention.
- the internal burner is operated at full load while the outside burner is switched off in order to provide the low setting power. Only with a user-side increase in the Schutulstress on the small adjustment power of the outer burner is switched on.
- the setting of the heating power to reach the low-setting power can thus be achieved according to the invention omitting a continuously operating actuator alone by the clock switching operation.
- the gas flow rate to the internal burner is clocked at a heating capacity below the low setting power
- the external burner remains out of operation.
- the internal burner can always burn at full load during the switch-on times in cyclic operation.
- Additional control components which allow, for example, a reduced partial load operation of the internal burner, can be omitted according to the invention in the partial gas line leading to the internal burner.
- a first and a second partial gas line may be provided, each leading a partial gas flow to the inner burner and a partial gas flow to the outer burner.
- an actuator is connected, which allows a continuous fine adjustment of the heating power between the low-setting and a maximum power.
- a fine adjustment by a working in continuous operation actuator is omitted in the internal burner partial gas line.
- the guided through the inner burner partial gas line partial gas flow is adjusted by a simple clock valve, that works until it reaches the low-end setting in the cycle-switching mode.
- the small adjustment itself is achieved by a continuous operation of the internal burner, in which the clock valve is permanently open.
- Each leading to the inner burner and the outer burner partial gas lines can branch off from a main gas line.
- the timing valve may be disposed directly in the main gas passage.
- a check valve can be connected in the main gas line, which interrupts a gas passage to the two partial gas lines.
- the timing valve may be arranged directly in the partial gas line leading to the internal burner.
- the blocking element can be connected directly upstream of the actuator for continuous heating power adjustment.
- the blocking element can be integrated directly into the actuator of the outer burner partial gas line.
- the gas paths of the partial gas streams to the inner and outer burners in a structural unit or a valve block can branch off from a gas path of the main gas stream.
- the already mentioned check valve, the timing valve and the actuator can be integrated space-saving.
- the check valve may preferably be formed as a linearly adjustable locking member in the assembly. The locking member can be adjusted between a blocking position in which the gas paths are interrupted, and a passage position in which the gas paths are opened. In the passage position of the locking member, the internal burner can be subjected to full load.
- the actuator associated with the outer burner for continuous power adjustment may cooperate with the locking member in the assembly.
- the actuator can be adjusted by way of example by means of a stepper motor linearly in a stroke movement, in the it can be adjusted together with the locking member as a movement-coupled composite between the blocking position and the passage position.
- the actuator may now perform motion-decoupled from the locking member further linear movement to open a flow passage to the outer burner and set continuously.
- the timing valve may be provided in the assembly or the valve block directly in the main gas path. As mentioned, the clock switching operation takes place when put out of operation outside burner. This means that in the valve block on the one hand, the locking member is in the passage position, on the other hand, however, the actuator keeps the flow passage to the outer burner still closed.
- a bypass line may be provided in the control arrangement which, in the blocking position of the blocking member, connects the main gas path to the outlet of the control arrangement leading to the internal burner.
- a gas hob with three dual-burner 1 is shown in a block diagram.
- Each of the dual-circuit burners 1 has an annular outer burner 3 and an annular inner burner 5.
- the dual-circuit burners 1 are supplied with gas via a common distribution line 7.
- the partial gas lines 11, 13 terminate in each case in burner nozzles, not shown here, of the outer burner 3 and the inner burner 5.
- the distribution line 7 has on the inlet side a main valve 15, which is opened upon activation of the gas hob.
- each of the dual-circuit burner 1 is assigned a control arrangement consisting of the control and regulating components described below.
- Fig. 1 are the control arrangements for adjusting the heating power of the dual-circuit burner 1 executed in different embodiments.
- the Indian Fig. 1 shown upper dual-circuit burner 1 is controlled by the control arrangement according to the first embodiment in which in the main gas line 9, a clock valve 17 and a downstream check valve 19 is arranged.
- an actuator 21 is arranged for a continuous adjustment of the guided to the outer burner 3 gas flow rate ⁇ a .
- the valves 15, 17 and 19 and the actuator 21 are connected via signal lines 23 indicated with an electronic control device 25 in signal communication.
- the electronic control device 25 may have an operating knob 27 as an input unit, with the user side heating power stages of the dual-circuit burner 1 are predetermined.
- Fig. 2 is a Schutsch.sdiagramm shown, in which the heating powers H outside and H inside of the outer burner 3 and the inner burner 5 are shown in dependence of the user-adjustable heat output stages.
- the dual-circuit burner works 1 in the lower heating power range up to the heating power level "4" only with the inner burner 5, while the outer burner 3 is disabled.
- the adjustment of the heating power between the heating power levels "1" to "4" is carried out not continuously, but in a clock switching operation of the clock valve 17th
- the control arrangement of the first embodiment is compactly integrated in a valve block 41.
- the valve block 41 has as the main gas line 9 a gas inlet and two outlets 29, 31, which lead the gas flow rates ⁇ a and ⁇ i to the inner and outer burners 3, 5.
- the actuator 21 is rotationally symmetrical, which is height adjustable via a linear stepper motor 35.
- the actuator 21 is in this case with a radially outer guide surface 37 or with a ring seal 38 disposed therein in sliding contact with the cylindrical cavity 39 of the valve block 41 defining inner wall.
- the stepping motor 35 is controlled by the control device 25.
- the actuator 21 goes down in the axial direction in a stepped portion 43 of smaller diameter, on which an adjusting sleeve 45 is formed.
- the adjusting sleeve 45 projects according to the Fig. 3 spaced via an annular gap 47 into a central adjusting bore 49 of a locking member.
- the adjusting bore 49 is conically widened upward in order to increase the flow cross-section of the annular gap 49 at a height adjustment of the adjusting sleeve 45.
- the locking member corresponds functionally in the Fig. 1 Shut-off valve 19 shown, so that subsequently the locking member is denoted by the same reference numeral 19.
- the locking member 19 is also in sliding contact with the inner wall of the cylindrical cavity 39 of the valve block 41. Axially below the guide surface 51, the locking member 19 on a portion of smaller diameter, which is surrounded by a helical compression spring 53.
- Fig. 3 and 4 is the locking member 19 in response to the stroke position of the actuator 21 between a in the Fig. 3 shown blocking position I and one in the Fig. 4 shown passage position II height adjustable, in which the locking member 19 is pressed by means of the helical compression spring 53 against a ring stop 55 of the valve housing 41.
- blocking position I shown pushes the locking member 19 with the interposition of a ring seal against a used in the valve block cavity 31 rotationally symmetrical flow guide 57 in which an upwardly opening axial bore 59 merges into a transverse bore 61 which is fluidly connected via an annular groove with the inner burner outlet 31 ,
- passage position II of the locking member 19 forms as a flow passage 63, a free axial gap between the locking member 19 and the flow guide 57, which releases a gas path 65 to the inner burner outlet 31.
- the gas path 65 corresponds to the partial gas line 13 of FIG. 1 ,
- the timing valve 17 is inserted in an inlet chamber 67, which is here a solenoid valve.
- an inlet chamber 67 which is here a solenoid valve.
- the valve stem 17 of the timing valve 17 pushes the valve stem 17 of the timing valve 17 with its valve disc 69 gas-tight against a corresponding valve seat in the valve block 41st
- the locking member 19 is first by appropriate control of the actuator 21 in its passage position II according to the Fig. 4 emotional. Geleichzeitig the clock valve 17 is driven by the control device 25 in a predetermined clock frequency. In this way, the heating power levels "1" to "4" can be set in the lower power range.
- the clock valve 17 is permanently in its open position, so that the internal burner 5 is supplied with maximum gas flow rate ⁇ i .
- the outer burner 3 is put out of operation in the heating power stages "1" to "4".
- the actuator 21 are adjusted together with the locking member 19 as a motion-coupled composite.
- the actuator 21 can be moved further upwards in the direction of the stepping motor 35, as shown in FIG Fig. 5 is shown.
- the actuator 21 whose adjusting sleeve 45 is moved relative to the adjusting bore 49, whereby the adjusting bore 49 is opened upwards and thus a gas path through the annular gap 47 is exposed to the outer burner outlet 29.
- the flow cross-section of the annular gap 47 can be varied, whereby the user-specified heating output stage is adjustable.
- the heating power setting of the middle dual-circuit burner 1 is performed by a control arrangement according to the second embodiment.
- the control arrangement as in the first embodiment, the arranged in the main gas line timing valve 17.
- the actuator 21 for continuous adjustment of the gas flow rate ⁇ a to the outer burner 3 is connected.
- the check valve 19 is omitted. The closing function of the blocking valve for blocking the partial gas lines 11, 14 is thus taken over by the clock valve 17.
- valve block 41 Starting from the in the Fig. 3 to 5 shown valve block 41, the control arrangement of the second embodiment according to the Fig. 6 be executed.
- the valve block 41 of Fig. 6 is substantially identical to the valve block 41 of the preceding figures.
- a bypass line 71 is provided in the flow guide element 57, which permits a flow connection between the gas inlet 9 and the inner burner outlet 31 even when the blocking element 19 is in the blocking position I.
- the heating power of the lower dual-circuit burner 1 is adjusted by means of a control arrangement according to the third embodiment.
- the timing valve 17 is switched directly in the leading to the inner burner 5 partial gas line 13.
- the check valve 19 is in contrast connected directly in the leading to the outer burner 3 partial gas line 11, upstream of the actuator 21.
- the clock and check valves 15, 17, 19 and the actuators 21 are controlled by means of the electronic control device 25.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Einstellung einer Heizleistung eines Mehrkreisbrenners nach dem Oberbegriff des Patentanspruches 1 sowie eine Vorrichtung zur Durchführung eines solchen Verfahrens nach dem Oberbegriff des Patentanspruches 5.The invention relates to a method for adjusting a heating power of a multi-circuit burner according to the preamble of
Die Heizleistung eines Zweikreisbrenners kann über eine elektronische Steueranordnung in Abhängigkeit von benutzerseitig vorgegebenen Heizleistungsstufen eingestellt werden. Die Steueranordnung regelt die Teilgasströme zu dem Innenbrenner und dem Außenbrenner des Zweikreisbrenners.The heating power of a dual-circuit burner can be adjusted via an electronic control device as a function of user-specified heating power levels. The control arrangement regulates the partial gas flows to the inner burner and the outer burner of the dual-circuit burner.
In einem gattungsgemäßen Verfahren zur Einstellung der Heizleistung des Zweikreisbrenners wird bis zum Erreichen einer Kleinstellleistung im unteren Heizleistungsbereich ein Gasdurchsatz zum Außenbrenner unterbrochen, während lediglich ein Gasdurchsatz zum Innenbrenner eingestellt wird. Zwischen dieser Kleinstellleistung und dem Vollbrand des Zweikreisbrenners, das heißt einer maximalen Leistung, wird der Gasdurchsatz zum Außenbrenner eingestellt.In a generic method for adjusting the heating power of the dual-circuit burner, a gas flow rate to the outer burner is interrupted until a low-setting power in the lower heating power range is reached, while only one gas flow rate to the inner burner is set. Between this small adjustment and the full firing of the dual-circuit burner, that is a maximum power, the gas flow is set to the outer burner.
Die Gasdurchsätze zum Innen- und Außenbrenner des Zweikreisbrenners werden mit aufwendigen und teuren Regelkomponenten eingestellt.The gas flow rates to the internal and external burners of the dual-circuit burner are set with complex and expensive control components.
Die Aufgabe der Erfindung besteht darin, ein Verfahren zur Einstellung der Heizleistung eines Mehrkreisbrenners bzw. eine Vorrichtung zur Durchführung eines solchen Verfahrens bereitzustellen, bei dem die Heizleistung vereinfacht sowie mit reduziertem Bauteilaufwand einstellbar ist.The object of the invention is to provide a method for adjusting the heat output of a multi-circuit burner or a device for carrying out such a method, in which the heating power is simplified and adjustable with reduced component expenditure.
Die Aufgabe ist durch die Merkmale des Patentanspruches 1 oder des Patentanspruches 5 gelöst. Bevorzugte Weiterbildungen der Erfindung sind in den Unteransprüchen offenbart.The object is solved by the features of
Gemäß dem kennzeichnenden Teil des Patentanspruches 1 wird bei der Einstellung der Heizleistung bis zum Erreichen der Kleinstellleistung der Gasdurchsatz zum Innenbrenner in einem Taktschaltbetrieb eingestellt. Das heißt, dass erfindungsgemäß die Einstellung der Heizleistung im unteren Leistungsbereich zwischen 0 und der Kleinstellleistung getaktet und nicht kontinuierlich erfolgt. Aufwendige Regelkomponenten zur kontinuierlichen Erhöhung beziehungsweise Reduzierung des Innenbrenner-Gasdurchsatzes können somit unter Platzgewinn in der Gaskochmulde weggelassen werden. Insbesondere wenn dem Innenbrenner ein nur geringer Heizleistungsbereich zugeordnet ist, kann die Heizleistung des Innenbrenners trotz Taktung mit ausreichender Einstellgüte erfolgen.According to the characterizing part of
In einem Leistungsbereich unterhalb der Kleinstellleistung wird daher erfindungsgemäß der Innenbrenner getaktet. Zur Bereitstellung der Kleinstellleistung wird der Innenbrenner in Volllast betrieben, während der Außenbrenner außer Betrieb gesetzt ist. Erst bei einer benutzerseitigen Erhöhung der Heizleistungsstufe über die Kleinstellleistung wird der Außenbrenner zugeschaltet. Die Einstellung der Heizleistung bis Erreichen der Kleinstellleistung kann somit erfindungsgemäß unter Weglassung eines kontinuierlich arbeitenden Stellglieds alleine durch den Taktschaltbetrieb erreicht werden.In a power range below the low-setting power, the internal burner is therefore clocked according to the invention. The internal burner is operated at full load while the outside burner is switched off in order to provide the low setting power. Only with a user-side increase in the Heizleistungsstufe on the small adjustment power of the outer burner is switched on. The setting of the heating power to reach the low-setting power can thus be achieved according to the invention omitting a continuously operating actuator alone by the clock switching operation.
Während erfindungsgemäß bei einer Heizleistung unterhalb der Kleinstellleistung der Gasdurchsatz zum Innenbrenner getaktet wird, bleibt der Außenbrenner außer Betrieb. Bei der Einstellung der Heizleistung bis zum Erreichen der Kleinstellleistung kann der Innenbrenner während der Einschaltzeiten im Taktbetrieb stets in Volllast brennen. Zusätzliche Regelkomponenten, die zum Beispiel einen reduzierten Teillastbetrieb des Innenbrenners ermöglichen, können erfindungsgemäß in der zum Innenbrenner führenden Teilgasleitung weggelassen werden.While, according to the invention, the gas flow rate to the internal burner is clocked at a heating capacity below the low setting power, the external burner remains out of operation. When adjusting the heating power until reaching the low setting power, the internal burner can always burn at full load during the switch-on times in cyclic operation. Additional control components, which allow, for example, a reduced partial load operation of the internal burner, can be omitted according to the invention in the partial gas line leading to the internal burner.
In einer Vorrichtung zur Durchführung des Einstell-Verfahrens kann eine erste und eine zweite Teilgasleitung vorgesehen sein, die jeweils einen Teilgasstrom zum Innenbrenner und einen Teilgasstrom zum Außenbrenner führen. In der zum Außenbrenner geführten Teilgasleitung ist ein Stellglied geschaltet, das eine kontinuierliche Feineinstellung der Heizleistung zwischen der Kleinstellleistung und einer maximalen Leistung ermöglicht. Demgegenüber ist in der Innenbrenner-Teilgasleitung auf eine Feineinstellung durch ein im kontinuierlichen Betrieb arbeitendes Stellglied verzichtet. Vielmehr wird der durch die Innenbrenner-Teilgasleitung geführte Teilgasstrom durch ein einfaches Taktventil eingestellt, das bis zum Erreichen der Kleinstellleistung im Taktschaltbetrieb arbeitet. Die Kleinstellleistung selbst wird durch einen Dauerbetrieb des Innenbrenners erreicht, bei dem das Taktventil permanent geöffnet ist. Bei Überschreiten der Kleinstellleistung wird der Innenbrenner weiter in Volllast betrieben, während der Gasdurchsatz zum Außenbrenner kontinuierlich einstellbar ist.In a device for carrying out the adjustment process, a first and a second partial gas line may be provided, each leading a partial gas flow to the inner burner and a partial gas flow to the outer burner. In the guided to the outer burner partial gas line, an actuator is connected, which allows a continuous fine adjustment of the heating power between the low-setting and a maximum power. In contrast, a fine adjustment by a working in continuous operation actuator is omitted in the internal burner partial gas line. Rather, the guided through the inner burner partial gas line partial gas flow is adjusted by a simple clock valve, that works until it reaches the low-end setting in the cycle-switching mode. The small adjustment itself is achieved by a continuous operation of the internal burner, in which the clock valve is permanently open. When the low setting power is exceeded, the inner burner continues to operate at full load, while the gas flow rate to the outer burner is continuously adjustable.
Die jeweils zum Innenbrenner und zum Außenbrenner führenden Teilgasleitungen können von einer Hauptgasleitung abzweigen. In einer Ausführungsform kann das Taktventil unmittelbar in der Hauptgasleitung angeordnet sein. Zusätzlich kann in der Hauptgasleitung ein Sperrventil geschaltet sein, das einen Gasdurchlass zu den beiden Teilgasleitungen unterbricht. Bei geöffnetem Sperrventil sowie bei geschlossenem Stellglied in der Außenbrenner-Teilgasleitung kann der Gasdurchsatz zum Innenbrenner mittels des Taktventils eingestellt werden.Each leading to the inner burner and the outer burner partial gas lines can branch off from a main gas line. In an embodiment, the timing valve may be disposed directly in the main gas passage. In addition, a check valve can be connected in the main gas line, which interrupts a gas passage to the two partial gas lines. When the shut-off valve is open and the actuator in the outer burner partial gas line is closed, the gas flow rate to the inner burner can be adjusted by means of the timing valve.
Alternativ zur obigen Ausführungsform kann das Taktventil unmittelbar in der zum Innenbrenner führenden Teilgasleitung angeordnet sein. Das Sperrelement kann unmittelbar dem Stellglied zur kontinuierlichen Heizleistungs-Einstellung vorgeschaltet sein. Alternativ kann das Sperrelement unmittelbar in das Stellglied der Außenbrenner-Teilgasleitung integriert sein.As an alternative to the above embodiment, the timing valve may be arranged directly in the partial gas line leading to the internal burner. The blocking element can be connected directly upstream of the actuator for continuous heating power adjustment. Alternatively, the blocking element can be integrated directly into the actuator of the outer burner partial gas line.
Für eine bauraumgünstige Gestaltung können die Gaswege der Teilgasströme zum Innen- und Außenbrenner in einer Baueinheit bzw. einem Ventilblock von einem Gasweg des Hauptgasstromes abzweigen. In dem Steuermodul können das bereits genannte Sperrventil, das Taktventil sowie das Stellglied bauraumgünstig integriert sein. Das Sperrventil kann bevorzugt als ein linear verstellbares Sperrglied in der Baueinheit ausgebildet sein. Das Sperrglied kann zwischen einer Sperrstellung, in der die Gaswege unterbrochen sind, und einer Durchlassstellung, in der die Gaswege geöffnet sind, verstellt werden. In der Durchlassstellung des Sperrglieds kann der Innenbrenner mit Volllast beaufschlagt werden.For a space-saving design, the gas paths of the partial gas streams to the inner and outer burners in a structural unit or a valve block can branch off from a gas path of the main gas stream. In the control module, the already mentioned check valve, the timing valve and the actuator can be integrated space-saving. The check valve may preferably be formed as a linearly adjustable locking member in the assembly. The locking member can be adjusted between a blocking position in which the gas paths are interrupted, and a passage position in which the gas paths are opened. In the passage position of the locking member, the internal burner can be subjected to full load.
Das dem Außenbrenner zur kontinuierlichen Leistungseinstellung zugeordnete Stellglied kann mit dem Sperrglied in der Baueinheit zusammenwirken. Das Stellglied kann beispielhaft mittels eines Schrittmotors linear in einer Hubbewegung verstellt werden, in der es zusammen mit dem Sperrglied als ein bewegungsgekoppelter Verbund zwischen der Sperrstellung und der Durchlassstellung verstellbar sind.The actuator associated with the outer burner for continuous power adjustment may cooperate with the locking member in the assembly. The actuator can be adjusted by way of example by means of a stepper motor linearly in a stroke movement, in the it can be adjusted together with the locking member as a movement-coupled composite between the blocking position and the passage position.
In der Durchlassstellung des Sperrglieds ist, wie oben erwähnt, der Gasweg zum Innenbrenner frei. In dieser Durchlassstellung kann bevorzugt das Stellglied nunmehr bewegungsentkoppelt vom Sperrglied eine weitere Linearbewegung ausführen, um einen Strömungsdurchlass zum Außenbrenner zu öffnen und kontinuierlich einzustellen.In the passage position of the blocking member, as mentioned above, the gas path to the internal burner is free. In this passage position, the actuator may now perform motion-decoupled from the locking member further linear movement to open a flow passage to the outer burner and set continuously.
Das Taktventil kann in der Baueinheit beziehungsweise dem Ventilblock unmittelbar in dem Hauptgasweg vorgesehen sein. Wie erwähnt erfolgt der Taktschaltbetrieb bei außer Betrieb gesetztem Außenbrenner. Das heißt, dass im Ventilblock einerseits das Sperrglied sich in der Durchlassstellung befindet, andererseits jedoch das Stellglied den Strömungsdurchlass zum Außenbrenner noch geschlossen hält.The timing valve may be provided in the assembly or the valve block directly in the main gas path. As mentioned, the clock switching operation takes place when put out of operation outside burner. This means that in the valve block on the one hand, the locking member is in the passage position, on the other hand, however, the actuator keeps the flow passage to the outer burner still closed.
In einer alternativen Ausführungsform kann in der Steueranordnung eine Bypass-Leitung vorgesehen sein, die in der Sperrstellung des Sperrglieds den Hauptgasweg mit dem zum Innenbrenner führenden Auslass der Steueranordnung verbindet.In an alternative embodiment, a bypass line may be provided in the control arrangement which, in the blocking position of the blocking member, connects the main gas path to the outlet of the control arrangement leading to the internal burner.
Nachfolgend sind drei Ausführungsbeispiele der Erfindung anhand der beigefügten Figuren gezeigt.Below, three embodiments of the invention with reference to the accompanying figures are shown.
Es zeigen:
- Fig. 1
- in einem Blockschaltbild ein Gaskochfeld mit drei Zweikreisbrennern mit jeweils zugeordneten Steueranordnungen zur Einstellung der Heizleistung, die gemäß einem ersten, zweiten und dritten Ausführungsbeispiel ausgeführt sind;
- Fig. 2
- eine Heizleistungskennlinie eines der Zweikreisbrenner;
- Fig. 3
- die Steueranordnung gemäß dem ersten Ausführungsbeispiel in einem Ventilblock integriert;
- Fig. 4 und 5
- unterschiedliche Betriebszustände des Ventilblockes; und
- Fig. 6
- in einer Ansicht entsprechend der
Fig. 3 die Steueranordnung des zweiten Ausführungsbeispieles.
- Fig. 1
- a block diagram of a gas hob with three dual-circuit burners each having associated control arrangements for adjusting the heating power, which are executed according to a first, second and third embodiment;
- Fig. 2
- a heating performance characteristic of one of the dual-circuit burners;
- Fig. 3
- integrated the control arrangement according to the first embodiment in a valve block;
- 4 and 5
- different operating states of the valve block; and
- Fig. 6
- in a view corresponding to
Fig. 3 the control arrangement of the second embodiment.
In der
Zur Einstellung der Heizleistung ist jedem der Zweikreisbrenner 1 eine aus nachfolgend beschriebenen Steuer- und Regelkomponenten bestehende Steueranordnung zugeordnet. In der
Der in der
Die Ventile 15, 17 und 19 sowie das Stellglied 21 sind über angedeutete Signalleitungen 23 mit einer elektronischen Steuereinrichtung 25 in Signalverbindung. Die elektronische Steuereinrichtung 25 kann als Eingabeeinheit 27 einen Bedienknebel aufweisen, mit dem benutzerseitig Heizleistungsstufen des Zweikreisbrenners 1 vorgebbar sind. In der
Wie aus der
Bei Erreichen sowie Unterschreiten der Kleinstellleistung HK wird daher erfindungsgemäß unmittelbar von der kontinuierlichen Heizleistungseinstellung in den Taktbetrieb des Innenbrenners 5 umgeschaltet.Upon reaching or falling short of the small adjustment power H K is therefore switched according to the invention directly from the continuous heating power setting in the clock mode of the
In der
Das Stellglied 21 geht in Axialrichtung nach unten in einen abgestuften Abschnitt 43 geringeren Durchmessers über, an dem eine Stellhülse 45 angeformt ist. Die Stellhülse 45 ragt gemäß der
Das Sperrglied entspricht funktionell dem in der
Gemäß der
In der
Die in der
Im Bereich des Einlasses 9 des Ventilblockes 41 ist in einer Einlasskammer 67 das Taktventil 17 eingesetzt, das hier ein Elektromagnetventil ist. In der
Zur Einstellung der Brenner-Heizleistung im unteren Leistungsbereich wird das Sperrglied 19 durch entsprechende Ansteuerung des Stellgliedes 21 zunächst in seine Durchlassstellung II gemäß der
In der Heizleistungsstufe 4 ist das Taktventil 17 dauerhaft in seiner Offenstellung, so dass der Innenbrenner 5 mit maximalen Gasdurchsatz ṁi versorgt wird. Zugleich ist in den Heizleistungsstufen "1" bis "4" der Außenbrenner 3 außer Betrieb gesetzt.In the
Bei der Verstellbewegung zwischen der Sperrstellung I und der Durchlassstellung II werden das Stellglied 21 zusammen mit dem Sperrglied 19 als bewegungsgekoppelter Verbund verstellt. Dem gegenüber kann das Stellglied 21 ausgehend von der Durchlassstellung II weiter nach oben in Richtung des Schrittmotors 35 bewegt werden, wie es in der
In der
Ausgehend von dem in den
Gemäß der
- 11
- ZweikreisbrennerDual-circuit burner
- 33
- Außenbrennerexternal burner
- 55
- Innenbrennerinternal burner
- 77
- Verteilerleitungdistribution line
- 99
- HauptgasleitungMain gas line
- 11, 1311, 13
- TeilgasleitungenPartial gas lines
- 1515
- Hauptventilmain valve
- 1717
- Taktventiltiming valve
- 1919
- Sperrventilcheck valve
- 2121
- Stellgliedactuator
- 2323
- Signalleitungensignal lines
- 2525
- elektronische Steuereinrichtungelectronic control device
- 2727
- Eingabeeinheitinput unit
- 2929
- Außenbrenner-AuslassExternal burner outlet
- 3131
- Innenbrenner-AuslassInner burner outlet
- 3535
- Schrittmotorstepper motor
- 3737
- Führungsflächeguide surface
- 3838
- Ringdichtungring seal
- 3939
- zylindrischer Hohlraumcylindrical cavity
- 4141
- Ventilblockmanifold
- 4343
- Stellglied-Abschnitt mit reduziertem DurchmesserActuator section with reduced diameter
- 4545
- Stellhülseadjusting sleeve
- 4747
- Ringspaltannular gap
- 4949
- Stellbohrungset hole
- 5151
- Führungsflächeguide surface
- 5353
- Druckfedercompression spring
- 5555
- Ringanschlagannular stop
- 5757
- Strömungsleitelementflow guide
- 5959
- Axialbohrungaxial bore
- 6161
- Querbohrungcross hole
- 6363
- StrömungsdurchlassFlow passage
- 6565
- erster Gaswegfirst gas way
- 6767
- Einlasskammerinlet chamber
- 6969
- Ventilscheibevalve disc
- 7171
- Bypass-LeitungBypass line
- II
- Sperrstellungblocking position
- IIII
- DurchlassstellungPassage position
- ṁa a
- Gasdurchsatz zum Außen- brennerGas flow to the external burner
- ṁi i
- Gasdurchsatz zum Innen- brennerGas flow rate to the internal burner
- HH
- Heizleistungheating capacity
- Hk H k
- KleinstellleistungSmall parking performance
- Hmax H max
- maximale Heizleistung des Außenbrennersmaximum heating power of the external burner
- Hmin H min
- minimale Heizleistung des Außenbrennersminimum heating power of the external burner
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09176585.9A EP2189719B1 (en) | 2008-11-20 | 2009-11-20 | Method for adjusting a heat output of a multi-ring burner, in particular dual ring burner, and device for executing such a method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08291096 | 2008-11-20 | ||
EP09176585.9A EP2189719B1 (en) | 2008-11-20 | 2009-11-20 | Method for adjusting a heat output of a multi-ring burner, in particular dual ring burner, and device for executing such a method |
Publications (3)
Publication Number | Publication Date |
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EP2189719A2 true EP2189719A2 (en) | 2010-05-26 |
EP2189719A3 EP2189719A3 (en) | 2017-09-27 |
EP2189719B1 EP2189719B1 (en) | 2019-05-01 |
Family
ID=41668344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP09176585.9A Active EP2189719B1 (en) | 2008-11-20 | 2009-11-20 | Method for adjusting a heat output of a multi-ring burner, in particular dual ring burner, and device for executing such a method |
Country Status (3)
Country | Link |
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EP (1) | EP2189719B1 (en) |
ES (1) | ES2725174T3 (en) |
TR (1) | TR201907491T4 (en) |
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WO2012080051A3 (en) * | 2010-12-14 | 2014-01-23 | BSH Bosch und Siemens Hausgeräte GmbH | Gas valve unit for a dual circuit burner |
EP2390571A3 (en) * | 2010-05-31 | 2014-02-26 | E.G.O. ELEKTRO-GERÄTEBAU GmbH | Method for controlling a gas burner and gas hotplate with multiple gas burners |
WO2014082755A1 (en) * | 2012-11-30 | 2014-06-05 | German Gabtec Gmbh | Controlling the gas supply of a gas burner |
WO2016030743A1 (en) * | 2014-08-29 | 2016-03-03 | Tre P Engineering S.R.L. | Thin premixed atmospheric domestic burner |
EP2703723B1 (en) | 2012-08-28 | 2016-10-12 | Electrolux Home Products Corporation N.V. | Method of operating a gas burner of a cooking appliance |
JP2017172835A (en) * | 2016-03-22 | 2017-09-28 | 三菱重工業株式会社 | Fuel supply device, boiler for ship including the same, and control method of fuel supply device |
CN108278637A (en) * | 2018-02-02 | 2018-07-13 | 浙江绿厨节能科技有限公司 | Automatically control energy-saving fuel gas stove |
EP3376104A1 (en) * | 2017-03-16 | 2018-09-19 | Vestel Elektronik Sanayi ve Ticaret A.S. | An adjustable gas burner |
JP2020063885A (en) * | 2018-10-18 | 2020-04-23 | 三菱日立パワーシステムズ株式会社 | Gas fuel supply device and combustion apparatus |
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DE19641920A1 (en) * | 1996-10-11 | 1998-04-16 | Gaggenau Werke | Method and device for controlling the flame size of gas-operated cooking or baking devices |
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KR20180100444A (en) * | 2016-03-22 | 2018-09-10 | 미츠비시 쥬고교 가부시키가이샤 | FUEL SUPPLYING APPARATUS, SHIP BOILER WITH THE SAME, AND CONTROL METHOD OF FUEL SUPPLYING APPARATUS |
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JP2020063885A (en) * | 2018-10-18 | 2020-04-23 | 三菱日立パワーシステムズ株式会社 | Gas fuel supply device and combustion apparatus |
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Also Published As
Publication number | Publication date |
---|---|
ES2725174T3 (en) | 2019-09-19 |
EP2189719A3 (en) | 2017-09-27 |
TR201907491T4 (en) | 2019-06-21 |
EP2189719B1 (en) | 2019-05-01 |
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