EP1130343A2 - Heizeinrichtung - Google Patents
Heizeinrichtung Download PDFInfo
- Publication number
- EP1130343A2 EP1130343A2 EP01102104A EP01102104A EP1130343A2 EP 1130343 A2 EP1130343 A2 EP 1130343A2 EP 01102104 A EP01102104 A EP 01102104A EP 01102104 A EP01102104 A EP 01102104A EP 1130343 A2 EP1130343 A2 EP 1130343A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- safety temperature
- temperature limiter
- burner
- water
- 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 title claims abstract description 12
- 238000009434 installation Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000013021 overheating Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 21
- 230000007257 malfunction Effects 0.000 description 5
- 238000010792 warming Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/238—Flow rate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/305—Control of valves
- F24H15/31—Control of valves of valves having only one inlet port and one outlet port, e.g. flow rate regulating valves
Definitions
- the invention relates to a heating device according to the preamble of claim 1.
- a safety temperature limiter is on the outlet side of the heat exchanger provided that the when a certain temperature is exceeded Gas supply to the heater interrupts and thus further heating, which the device prevents damage.
- Such a heater is characterized by a very simple Setup and early error detection.
- the safety temperature limiter is therefore downstream of the heat exchanger on its warm exit side. It comes after a tap a malfunction, which is characterized by further operation of the burner, the heat exchanger continues to heat up. This is known as afterburn. Through heat conduction the hot water pipe together with the safety temperature limiter also heats up downstream of the heat exchanger. If a certain temperature is exceeded, the opens Safety temperature limiter has an integrated switch, which allows a gas valve to supply gas interrupts. The burner therefore switches off.
- the disadvantage of the prior art is that due to the variable hot water temperature is the switch-off value of the safety temperature limiter must be above the maximum permissible value for the hot water temperature. Is a low hot water temperature set and malfunction by not switching off the Burner is present, the malfunction is only determined when the safety temperature limiter experience a relatively large warming and the temperature exceeds the switch-off value Has. During this time, the heat exchanger can be damaged.
- the aim of the invention is to avoid this disadvantage and a heating device at the beginning to propose the type mentioned, in which despite a simple construction malfunction Afterburn is detected very quickly and the burner is switched off.
- the proposed measure ensures that even a little warming to Safety shutdown leads. Because the water on the cold water side has lower temperature fluctuations is subject to than the water on the hot water side, the switch-off value of the Safety temperature limiter can be chosen significantly lower. At afterburn the Switch-off value reached significantly earlier and thus the burner after a noticeably shorter time switched off, which leads to damage to the heat exchanger being avoided becomes.
- the features of claim 3 describe a constructive solution in which the position of the safety temperature limiter upstream of a water-cooled combustion chamber located.
- the features of claim 4 ensure that a larger area for transmitting the What is available from the water pipe to the safety temperature limiter is what favors the heat transfer and thus the response time of the sensor of the safety temperature limiter shortened.
- a burner 1 is provided, the downstream of an exhaust gas path a heat exchanger 2 for transferring the thermal energy of the hot exhaust gases from the burner 1 onto a water flow and also a flow safety device 3 are subordinate.
- a safety temperature limiter 13 In one that extends from a cold water inlet 4 to a nozzle 12 Waterway is a safety temperature limiter 13 on the cold water side 17 of the heat exchanger 2 attached. This safety temperature limiter 13 is via a two-wire line 15 with an ionization electrode 10 and a gas valve 7 between gas connection 6 and burner 1 connected in series.
- the safety temperature limiter 13 contains an integrated one Switch 20, the z. B. reacts to heat by means of bimetal and from a certain temperature opens a contact.
- a water switch 5 on the cold water side 17 is via an actuating rod 9 connected to a gas valve 8, also between gas connection 6 and burner 1.
- the gas valve 7 is provided with an electromagnet 18 on which one of the two lines the two-wire line 15 is connected.
- the electromagnet 18 is via one of the two lines the two-wire line 15 connected to the safety temperature limiter 13.
- the other Line of the two-wire line 15 leads from the safety temperature limiter 13 to ionization electrode 10.
- the line 16 leads from the electromagnet 18 to the burner 1.
- the water switch 5 detects a water flow.
- the burner 1 is started and heated the water flowing through the heat exchanger 2, which via the hot water outlet 11 flows to the tap 19.
- the burner gas supply is located downstream of the gas supply 6 in addition to the gas valve 8, which is controlled by the water switch, also a gas valve 7, that in the stationary state by the ionization current received by the ionization electrode 10 if necessary controlled by amplification. Extinguishes the flame of burner 1, no ionization current is present at the ionization electrode 10, and the gas valve 7 closes the Burner gas supply 1.
- the nozzle 12 If the nozzle 12 is closed during operation of the burner, it normally turns the water switch 5 determines that no water is flowing and closes the gas valve 8, causing the Burner 1 goes out. If there is a malfunction, the gas valve 8 remains open and thus the burner 1 continues to burn, the heat exchanger 2, which heats up, heats up cannot now give up to a water flow.
- the cold water pipe also heats up via heat conduction 23 upstream of the heat exchanger 2.
- the safety temperature limiter is located on this cold water line 23 13 attached, which also heats up. Exceeds the temperature of the safety temperature limiter 13 a certain switch-off value, the opens in the safety temperature limiter 13 integrated switch 20. This turns the power supply to the gas valve 7 interrupted, whereby the gas supply from the gas connection 6 to Burner 1 is interrupted.
- Fig. 2 shows a heating device according to the invention, in which the safety temperature limiter 13 upstream immediately in front of a finned heat exchanger 21 on the cold water side 17 is attached.
- the safety temperature limiter 13 is in 3 upstream of a water-cooled combustion chamber 22 which is part of the heat exchanger 2, but is hydraulically connected upstream of the fin heat exchanger 21.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Control Of Combustion (AREA)
Abstract
Description
- Fig. 1
- ein hydraulisches Schaltbild eines Wasserheizers
- Fig. 2
- eine Draufsicht auf einen Lamellenwärmeaustauscher und
- Fig. 3
- eine Ansicht des Lamellenwärmeaustauschers mit einer Brennkammer
Claims (4)
- Heizeinrichtung mit einem Sicherheitstemperaturbegrenzer (13), der mit einem Gasventil (7) in der Gaszuführung zu einem einen von aufzuheizendem Wasser durchströmten Wärmeaustauscher der Heizeinrichtung beheizenden Brenner (1) verbunden ist, dadurch gekennzeichnet, dass sich der Sicherheitstemperaturbegrenzer (13) auf der Kaltwasserseite (17) des Wärmeaustauschers (2) befindet.
- Heizeinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Sicherheitstemperaturbegrenzer (13) auf der Kaltwasserseite (17) stromauf des einen Lamellenwärmeaustauscher enthaltenden Wärmeaustauscher angeordnet ist.
- Heizeinrichtung nach mindestens einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, daßder Sicherheitstemperaturbegrenzer (13) einlaufseitig einem eine wassergekühlte Brennkammer (22) enthaltenden Wärmeaustauscher hydraulisch vorgeschaltet ist.
- Heizeinrichtung nach mindestens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Aufnahmestelle und die Anlagestelle des Sicherheitstemperaturbegrenzers (13) abgeflacht sind.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT01102104T ATE300709T1 (de) | 2000-02-02 | 2001-01-31 | Heizeinrichtung |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10004549 | 2000-02-02 | ||
DE10004549 | 2000-02-02 | ||
AT0051100A AT413758B (de) | 2000-03-27 | 2000-03-27 | Heizeinrichtung |
AT5112000 | 2000-03-27 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1130343A2 true EP1130343A2 (de) | 2001-09-05 |
EP1130343A3 EP1130343A3 (de) | 2003-01-22 |
EP1130343B1 EP1130343B1 (de) | 2005-07-27 |
Family
ID=25608347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01102104A Expired - Lifetime EP1130343B1 (de) | 2000-02-02 | 2001-01-31 | Heizeinrichtung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1130343B1 (de) |
DE (2) | DE50106840D1 (de) |
ES (1) | ES2245657T3 (de) |
PL (1) | PL200089B1 (de) |
PT (1) | PT1130343E (de) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2283402A1 (fr) * | 1974-07-16 | 1976-03-26 | Leblanc Sa E L M | Perfectionnements apportes aux appareils de production d'eau chaude a extraction mecanique controlee |
GB1461189A (en) * | 1973-10-04 | 1977-01-13 | Vaillant Joh Kg | Arrangement in gas-heated continuous-flow heaters |
GB2012411A (en) * | 1978-01-13 | 1979-07-25 | Mitchell D A | Gas Operable Water Heater |
DE3204656A1 (de) * | 1982-02-10 | 1983-08-18 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid | Brennstoffbeheizte waermequelle |
FR2549941A1 (fr) * | 1983-07-29 | 1985-02-01 | Sdecc | Dispositif de securite pour appareil a gaz de chauffage et de production d'eau chaude a ventilation mecanique controlee |
FR2563912A1 (fr) * | 1984-05-02 | 1985-11-08 | Vaillant Sarl | Dispositif pour mesurer la charge d'une source calorifique chauffee par un combustible et munie d'un echangeur de chaleur, et regulation a l'aide de ce dispositif |
DE9105984U1 (de) * | 1990-05-16 | 1991-08-08 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid | Überwachungseinrichtung |
US5143050A (en) * | 1991-05-10 | 1992-09-01 | Aos Holding Company | Water heater heat rollout sensor |
EP0548655A1 (de) * | 1991-12-12 | 1993-06-30 | Joh. Vaillant GmbH u. Co. | Heizeinrichtung |
US5312036A (en) * | 1991-09-13 | 1994-05-17 | Ursus Trotter | Instantaneous water heater which includes safety devices separately or in combination to prevent the explosion of the heat exchanger in the event of an excessive heating of the water in the heating coil and to shut-off the flow of gas to the burner |
-
2001
- 2001-01-30 PL PL345498A patent/PL200089B1/pl unknown
- 2001-01-31 EP EP01102104A patent/EP1130343B1/de not_active Expired - Lifetime
- 2001-01-31 ES ES01102104T patent/ES2245657T3/es not_active Expired - Lifetime
- 2001-01-31 DE DE50106840T patent/DE50106840D1/de not_active Expired - Lifetime
- 2001-01-31 DE DE10104229A patent/DE10104229A1/de not_active Withdrawn
- 2001-01-31 PT PT01102104T patent/PT1130343E/pt unknown
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1461189A (en) * | 1973-10-04 | 1977-01-13 | Vaillant Joh Kg | Arrangement in gas-heated continuous-flow heaters |
FR2283402A1 (fr) * | 1974-07-16 | 1976-03-26 | Leblanc Sa E L M | Perfectionnements apportes aux appareils de production d'eau chaude a extraction mecanique controlee |
GB2012411A (en) * | 1978-01-13 | 1979-07-25 | Mitchell D A | Gas Operable Water Heater |
DE3204656A1 (de) * | 1982-02-10 | 1983-08-18 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid | Brennstoffbeheizte waermequelle |
FR2549941A1 (fr) * | 1983-07-29 | 1985-02-01 | Sdecc | Dispositif de securite pour appareil a gaz de chauffage et de production d'eau chaude a ventilation mecanique controlee |
FR2563912A1 (fr) * | 1984-05-02 | 1985-11-08 | Vaillant Sarl | Dispositif pour mesurer la charge d'une source calorifique chauffee par un combustible et munie d'un echangeur de chaleur, et regulation a l'aide de ce dispositif |
DE9105984U1 (de) * | 1990-05-16 | 1991-08-08 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid | Überwachungseinrichtung |
US5143050A (en) * | 1991-05-10 | 1992-09-01 | Aos Holding Company | Water heater heat rollout sensor |
US5312036A (en) * | 1991-09-13 | 1994-05-17 | Ursus Trotter | Instantaneous water heater which includes safety devices separately or in combination to prevent the explosion of the heat exchanger in the event of an excessive heating of the water in the heating coil and to shut-off the flow of gas to the burner |
EP0548655A1 (de) * | 1991-12-12 | 1993-06-30 | Joh. Vaillant GmbH u. Co. | Heizeinrichtung |
Also Published As
Publication number | Publication date |
---|---|
ES2245657T3 (es) | 2006-01-16 |
DE10104229A1 (de) | 2001-08-09 |
PL200089B1 (pl) | 2008-12-31 |
PT1130343E (pt) | 2005-11-30 |
EP1130343A3 (de) | 2003-01-22 |
DE50106840D1 (de) | 2005-09-01 |
PL345498A1 (en) | 2001-08-13 |
EP1130343B1 (de) | 2005-07-27 |
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