EP1170549A2 - Gasbeheizter Durchlauferhitzer - Google Patents
Gasbeheizter Durchlauferhitzer Download PDFInfo
- Publication number
- EP1170549A2 EP1170549A2 EP01109098A EP01109098A EP1170549A2 EP 1170549 A2 EP1170549 A2 EP 1170549A2 EP 01109098 A EP01109098 A EP 01109098A EP 01109098 A EP01109098 A EP 01109098A EP 1170549 A2 EP1170549 A2 EP 1170549A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- valve
- burner
- water
- membrane
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/08—Regulating fuel supply conjointly with another medium, e.g. boiler water
- F23N1/087—Regulating fuel supply conjointly with another medium, e.g. boiler water using mechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2229/00—Flame sensors
-
- 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
- F23N2235/14—Fuel valves electromagnetically operated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
- F23N2235/18—Groups of two or more 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
- F23N2235/20—Membrane 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
- F23N2235/24—Valve details
-
- 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
- F23N5/12—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/20—Systems for controlling combustion with a time programme acting through electrical means, e.g. using time-delay relays
Definitions
- the present invention relates to a gas-fired once-through water heater.
- Such gas-heated water heaters are commercially available in several systems. For the first there are those that work with a main burner controlled by a pilot burner, the heated a heat exchanger through which water flows.
- the heat exchanger is a Water switch having a water valve connected downstream, this water valve is also the nozzle for warm water.
- the burner On the gas side, the burner has two in series upstream gas valves, one of which is operated by the water switch and that another is assigned to a gas valve with which the device is put into operation.
- the Gas valve has an operating handle with which the gas valve for igniting the Pilot burner is put into operation, with a when the pilot gas valve is open Ready position is reached.
- the pilot burner is assigned an ignition electrode with which the pilot burner can be ignited.
- the burning pilot burner ignites when both are opened Gas valves then the main burner.
- An ignition fuse is assigned to the pilot burner, which switches off a thermocouple exposed to the pilot burner, which is a third in the gas path lying valve controls. If the pilot burner goes out, the thermocouple cools, which then no longer supplies current, so that the electromagnet fed by the thermocouple of the third Gas valve is de-energized and thus shuts off the further gas supply to the main burner.
- the object of the invention is to create a device that is simply constructed, none permanently burning pilot burner and the time from opening the nozzle to Delivering warm service water significantly shortened.
- Figure 1 is a basic diagram of a gas-heated water heater
- a gas-fired once-through water heater 1 has a combustion chamber 2 which points upwards from a heat exchanger 3 is completed, a combustion chamber 2 and one in the form of a Coil surrounding pipe coil 4 is connected upstream by means of a water switch 5 a supply pipe 6 takes its exit, the cold water inlet 7 at the water switch 5th lies.
- the inside of the water switch has a water valve that cannot be seen, whose valve body is provided with a pin 8, which can actuate a contact 9, which in Located on a power line 10.
- Another one in series with the first water valve Water valve can be opened and closed with a handle 11.
- the outlet of the heat exchanger 3 is with a to a tap 12th leading hot water outlet line 3 connected.
- the heat exchanger 3 is permeable to exhaust gases within the combustion chamber 2 arranged single burner 14, which as a partially premixed atmospheric gas burner is trained. It is located just below the underside 15 of the combustion chamber 2, which is open at the bottom is. The exhaust gases from the burner thus flow up the entire burner chamber 2, heat her coat and thus the coiled tubing 4 and then the Heat exchanger 3 and then flow into a flow fuse 16, which they have a Leave exhaust port 17 in the direction of a chimney.
- a safety temperature sensor 22 in series is connected via a clamp 23 to a connecting tube between the end of the Pipe coil 4 and the inlet of the heat exchanger 3 is switched.
- the control device 21 are a battery 24, an igniter 25, a flame detector 26 and one Burner control 27 provided.
- the line 10 is connected on the one hand to the battery 24, on the other hand to the burner control unit 27.
- the burner control unit 27 is via a single line 28 connected to a servo valve 29.
- a line 30 leads from the ignition device 25 to one Ignition electrode 31, which is arranged on a holder 32 and is assigned to the burner 14.
- An ionization electrode 33 is arranged on the same holder 32 and is via a line 34 connected to the flame detector 26.
- Counter electrode 35 is both the ignition electrode 31 and the ionization electrode 33 assigned.
- the servo valve 29 actuates a gas valve 36, the valve body 37 of a valve seat 38 is assigned.
- An adjustment valve is located on a spindle 40 provided with a handle 39 41 to open more or less, which is downstream of the gas valve 36 on the gas side.
- the pin 8 protrudes upward from the water switch 5 with an extension 42 and dominates one Valve body 43 of a further gas valve 44, the valve body 45 of which is in a gas fitting 46 is arranged.
- This has an outlet 47 which is provided with a plurality of gas nozzles 48 which Blow gas into each of the mixing tubes 49 of the gas burner 14 while entraining primary air.
- the invention now turns to the servo valve 29. 2 shows this the idle state of this servo valve, that is, with the water switch 5 closed and thus closed gas valve 36 and non-burning burner 14.
- the gas passes through a Gas inlet 15 into the housing 51 of the servo valve 29.
- the housing 51 has a drive part 52 on, which consists of a central part 53 and a cover part 54 closing this.
- the Cover part 54 has a large lateral central opening 55, which is opened by means of a cover 56 can be closed gastight, but can be opened for inspection purposes.
- a membrane 57 is clamped gas-tight, which the Interior 58 of the drive part 52 divided into two chambers 59 and 60.
- the membrane 57 carries one Plate 61, which in turn carries a valve combination 62.
- This valve combination 62 has two Valve seats 63 and 64, which are dominated by two valve bodies 65 and 66, which are on a rocker 67 are arranged, which is pivotable about a pivot point 68.
- the seesaw and thus the Valve bodies can be actuated by a yoke 69, which has a coil 70 of an electromagnet 71 is assigned.
- the coil 70 is connected to two wires 72, which have a feedthrough 73 are connected to line 28, one of the two wires 72 being connected to the housing is directly connected.
- the electromagnet 71 and the two valve bodies 65 and 66 actuated by it are part of one Combination body 74 through which a first gas channel 75 is placed.
- the combination body 74 is attached to the plate 61.
- the gas channel 75 connects the two chambers 59 and 60 together.
- Another gas channel 76 leads from the valve seat 63 through the plate 61 to one Driver 76, which passes through the hollow valve body 37 in a recess 77 and ends in a flange 78 which serves as a stop for taking the valve body.
- Im in the Figure 2 shown idle state is a gap 79 between the stop 78 and the Valve body 37 present.
- the valve body 37 is by a first compression spring 80 and a second Compression spring 81 preloaded in the flow position, there is a spring plate 82 between the two.
- valve 36 In this idle state, valve 36 is closed, that is, the main gas path to the burner 14 is closed.
- the compression springs 80 and 81 are relaxed, the valve 63/65 closed, the Valve 64/66, however, is open.
- the chambers 59 and 60 are thus pneumatic short-circuited, moreover, see Figure 1, the gas valve 44 is closed, and that Water valve in the water switch 5 is also closed.
- the burner is not burning, and there is no water throughput through the gas-fired water heater 1. That from the Handle 39 controlled adjustment valve 41 is in any intermediate position, but is not closed and cannot be closed either.
- the Gas pressure is also present at the gas inlet 50, but the gas cannot because of the closed Valve 36 flow to the main burner, but can not only into the chamber via the gas channel 75 59, but also get into the chamber 60.
- the pin 8 actuating the contact 9 switches also via the burner control 27 and the line 28 current via the bushing 73 and the Lines 72 to the coil 70 of the electromagnet 71.
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)
- Resistance Heating (AREA)
- Percussion Or Vibration Massage (AREA)
Abstract
Description
Claims (3)
- Gasbeheizter Durchlaufwasserheizer (1) mit einem von einem Brenner (14) beheizten Wärmetauscher (3), dem ein Wasserventil in einem Wasserschalter (5) vorgeschaltet ist und dem gasseitig Gasventile (36, 44) vorgeschaltet sind, von denen eines (44) vom Wasserschalter (5) und ein anderes (36) von einem gasdruckgesteuerten Servoventil (29) gesteuert ist, die beide in Serie liegen, wobei unter Verzicht auf einen Zündbrenner und mit seinem Zündgasventil das Servoventil (29) einen von einer Membran (57) geteilten Innenraum (58) aufweist, deren erste Kammer (59) mit dem Gasweg zwischen den beiden Gasventilen (36, 44) verbunden ist, während die zweite Kammer (60) über ein von einem Elektromagneten (71) betätigbares Ventil (63/65) mit dem Gasweg (83) stromab des Gasventils (36) verbunden ist, wobei die Membran (57) einen den Ventilkörper (37) des letztgenannten Gasventils (36) tragenden Mitnehmer (76) aufweist, dessen dem Ventilkörper (37) zugewandtes Ende (85) diesen erst nach Durchlaufen eines Spaltes (79) gegen die Rückstellkraft einer Feder (80, 81) mitnimmt.
- Gasbeheizter Durchlauferhitzer nach Anspruch 1, dessen Membran (57) ein weiteres von demselben Elektromagneten (71) gegenläufig zum ersten Ventil (63/65) gesteuertes zweites Ventil (64/66) aufweist, das beide Kammern (59, 60) des Antriebsteils (52) gasseitig entweder verbindet oder trennt.
- Gasbeheizter Durchlaufwasserheizer nach Anspruch 1 oder 2, dessen Wasserschalter (5) unmittelbar an einem Ansatz einen von einem Stift (8) des Wasserschalters (5) betätigbaren Mikrokontakt (9) aufweist, der im Zuge einer elektrischen Leitung (10) angeordnet ist, mit dem eine Batterie (24) einer Steuervorrichtung (21) sowohl eine Zündvorrichtung (25) als auch einen Flammendetektor (26) wie auch eine Brennersteuerung (27) aufweist, wobei ein Zeitglied (86) der Brennersteuerung (27) zugeordnet ist, die bei Nichterscheinen einer Flamme am Brenner 14 nach Ablauf einer Sicherheitszeit den Elektromagneten (71) des Servoventils (29) stromlos schaltet.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01109098A EP1170549B1 (de) | 2000-04-18 | 2001-04-12 | Gasbeheizter Durchlauferhitzer |
AT01109098T ATE346265T1 (de) | 2000-04-18 | 2001-04-12 | Gasbeheizter durchlauferhitzer |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00250126 | 2000-04-18 | ||
EP00250126 | 2000-04-18 | ||
AT6992000 | 2000-04-20 | ||
AT6992000 | 2000-04-20 | ||
EP01109098A EP1170549B1 (de) | 2000-04-18 | 2001-04-12 | Gasbeheizter Durchlauferhitzer |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1170549A2 true EP1170549A2 (de) | 2002-01-09 |
EP1170549A3 EP1170549A3 (de) | 2004-01-28 |
EP1170549B1 EP1170549B1 (de) | 2006-11-22 |
Family
ID=37545346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01109098A Expired - Lifetime EP1170549B1 (de) | 2000-04-18 | 2001-04-12 | Gasbeheizter Durchlauferhitzer |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1170549B1 (de) |
AT (1) | ATE346265T1 (de) |
DE (1) | DE50111485D1 (de) |
ES (1) | ES2277599T3 (de) |
PT (1) | PT1170549E (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1739352A1 (de) * | 2005-06-29 | 2007-01-03 | Betronic Design B.V. | Ionisationselektrode |
DE102012003912B3 (de) * | 2012-02-28 | 2013-02-07 | Mertik Maxitrol Gmbh & Co. Kg | Armatur für einen Durchlauf-Wassererhitzer |
ITPD20130293A1 (it) * | 2013-10-25 | 2015-04-26 | Sit La Precisa S P A Con Socio Uni Co | Unità valvolare per l'erogazione di gas combustibile verso un apparecchio bruciatore a pre-miscelazione con potenza termica modulabile |
US10428972B2 (en) | 2017-09-27 | 2019-10-01 | Ademco Inc. | Water heater gas valve |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10851911B2 (en) | 2018-09-01 | 2020-12-01 | Ademco Inc. | Valve actuator with external coils |
CN218992431U (zh) * | 2022-12-06 | 2023-05-09 | 芜湖美的智能厨电制造有限公司 | 进水阀总成及热水器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3765452A (en) * | 1971-03-02 | 1973-10-16 | Saunier Duval | Proportional control valve for gas burners |
FR2561757A1 (fr) * | 1984-03-21 | 1985-09-27 | Sdecc | Chauffe-bains a gaz sans veilleuse permanente |
DE29904815U1 (de) * | 1999-03-16 | 1999-05-12 | Huang, Chun-Cheng, Sanchung, Taipeh | Aufbau mit einem elektromagnetischen Membranenventil mit zwei Abdichtventilen |
-
2001
- 2001-04-12 DE DE50111485T patent/DE50111485D1/de not_active Expired - Lifetime
- 2001-04-12 EP EP01109098A patent/EP1170549B1/de not_active Expired - Lifetime
- 2001-04-12 ES ES01109098T patent/ES2277599T3/es not_active Expired - Lifetime
- 2001-04-12 PT PT01109098T patent/PT1170549E/pt unknown
- 2001-04-12 AT AT01109098T patent/ATE346265T1/de active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3765452A (en) * | 1971-03-02 | 1973-10-16 | Saunier Duval | Proportional control valve for gas burners |
FR2561757A1 (fr) * | 1984-03-21 | 1985-09-27 | Sdecc | Chauffe-bains a gaz sans veilleuse permanente |
DE29904815U1 (de) * | 1999-03-16 | 1999-05-12 | Huang, Chun-Cheng, Sanchung, Taipeh | Aufbau mit einem elektromagnetischen Membranenventil mit zwei Abdichtventilen |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1739352A1 (de) * | 2005-06-29 | 2007-01-03 | Betronic Design B.V. | Ionisationselektrode |
WO2007000470A1 (en) * | 2005-06-29 | 2007-01-04 | Betronic Nederland B.V. | Ionisation sensor electrode |
DE102012003912B3 (de) * | 2012-02-28 | 2013-02-07 | Mertik Maxitrol Gmbh & Co. Kg | Armatur für einen Durchlauf-Wassererhitzer |
WO2013127503A2 (de) | 2012-02-28 | 2013-09-06 | Mertik Maxitrol Gmbh & Co. Kg | Armatur für einen durchlauf-wassererhitzer |
WO2013127503A3 (de) * | 2012-02-28 | 2013-11-14 | Mertik Maxitrol Gmbh & Co. Kg | Armatur für einen durchlauf-wassererhitzer |
RU2617034C2 (ru) * | 2012-02-28 | 2017-04-19 | Мертик Макситроль Гмбх Унд Ко.Кг | Устройство регулирования потока для проточного водонагревателя |
CN104145165B (zh) * | 2012-02-28 | 2017-05-10 | 莫蒂克马克斯特罗尔有限及两合公司 | 用于通流热水器的配件 |
ITPD20130293A1 (it) * | 2013-10-25 | 2015-04-26 | Sit La Precisa S P A Con Socio Uni Co | Unità valvolare per l'erogazione di gas combustibile verso un apparecchio bruciatore a pre-miscelazione con potenza termica modulabile |
US10428972B2 (en) | 2017-09-27 | 2019-10-01 | Ademco Inc. | Water heater gas valve |
Also Published As
Publication number | Publication date |
---|---|
ATE346265T1 (de) | 2006-12-15 |
DE50111485D1 (de) | 2007-01-04 |
PT1170549E (pt) | 2007-02-28 |
EP1170549B1 (de) | 2006-11-22 |
ES2277599T3 (es) | 2007-07-16 |
EP1170549A3 (de) | 2004-01-28 |
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