EP3324130A1 - Dispositif d'appareil de chauffage et procédé pour son opération - Google Patents

Dispositif d'appareil de chauffage et procédé pour son opération Download PDF

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Publication number
EP3324130A1
EP3324130A1 EP17192366.7A EP17192366A EP3324130A1 EP 3324130 A1 EP3324130 A1 EP 3324130A1 EP 17192366 A EP17192366 A EP 17192366A EP 3324130 A1 EP3324130 A1 EP 3324130A1
Authority
EP
European Patent Office
Prior art keywords
shut
valve
gas
heater device
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
Application number
EP17192366.7A
Other languages
German (de)
English (en)
Other versions
EP3324130B1 (fr
Inventor
David Carvalho GUILHERME
Pedro Pinto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bosch Termotechnologia SA
Original Assignee
Bosch Termotechnologia SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bosch Termotechnologia SA filed Critical Bosch Termotechnologia SA
Publication of EP3324130A1 publication Critical patent/EP3324130A1/fr
Application granted granted Critical
Publication of EP3324130B1 publication Critical patent/EP3324130B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
    • F24H1/145—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F24H1/124—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/007—Regulating fuel supply using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0026—Domestic hot-water supply systems with conventional heating means
    • 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
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/156—Reducing the quantity of energy consumed; Increasing efficiency
    • 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
    • F24H15/25—Temperature of the heat-generating means in the heater
    • 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
    • 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
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
    • F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners 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
    • 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
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/04—Measuring pressure
    • F23N2225/06—Measuring pressure for determining flow
    • 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
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/10—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
    • F23N5/102—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples using electronic means
    • 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

Definitions

  • the invention is based on a heater device, in particular a continuous flow heater device, with at least one gas burner for demand-side heating of running water and with at least one pilot flame feed line for supplying gas to an ignition flame of the gas burner.
  • the heater device comprises a shut-off unit which has at least one shut-off valve and which is provided to interrupt a gas supply to the ignition flame feed line as a function of at least one flow characteristic of the water.
  • a “heater device” should in particular be understood to mean a component, in particular a functional component, in particular a design and / or functional component, of a heating device, in particular a continuous flow heater.
  • the heater device has at least one, in particular activated as needed, heating unit on.
  • a "heating unit” is to be understood as meaning in particular a unit which is intended to convert energy, in particular electrical energy, bioenergy and / or preferably fossil energy, for example chemical binding energy of a particularly fossil fuel, in particular directly into heat, and in particular to supply to the flowing water.
  • the heating unit comprises at least one heating module and advantageously at least one heat exchanger.
  • the heating module advantageously has the gas burner.
  • the heating module to heat the water on a thermal connection with the heat exchanger.
  • the heat exchanger comprises at least one supply line for a water which is in particular unheated and / or to be heated, and in particular at least one outlet for a water heated in particular by means of the heating module.
  • the gas burner is designed for operation with a fuel gas such as natural gas and / or propane gas.
  • the gas burner is provided to ignite a main flame by means of the pilot flame, if necessary.
  • the gas burner has at least one flame region, within which at least one heating flame can be ignited and / or maintained.
  • fuel gas can be conducted into the flame area to ignite the heating flame and can be ignited by means of the ignition flame.
  • fuel gas can be conducted into the flame region in order to maintain the heating flame.
  • the heater device has at least one burner gas supply, which leads to the flame region. In particular, in at least one normal operating mode, fuel gas flows through the burner gas supply line and, in particular, is subsequently burned to produce the heating flame.
  • the pilot flame supply line is provided to allow only a small gas flow for the pilot flame, in particular a gas flow having a pilot light power of at least 1 W, advantageously at least 10 W and more preferably at least 20 W and / or a pilot light power of at most 200 W. , Advantageously, of at most 100 W, particularly advantageously of at most 75 W and preferably of at most 50 W and / or accomplished.
  • a maximum gas flow through the pilot flame line is at least 10 times, advantageously at least 100 times, and particularly advantageously at least 1000 times smaller than a maximum Gas flow to the flame region of the gas burner and / or a gas flow through the burner gas supply line in the normal operating state.
  • the shutoff unit preferably has at least one, in particular exactly one, gas connection that can be connected to a fuel gas line.
  • the gas connection is provided to allow a gas supply for the gas burner.
  • the shut-off unit has at least one electronic control unit, which is provided to control the shut-off valve as a function of the flow characteristic.
  • the shut-off valve may be formed as a proportional valve.
  • the shut-off unit is free of electronic components.
  • the shut-off unit is designed as a mechanical shut-off unit.
  • the shut-off valve comprises at least one in particular mechanically movable shut-off body.
  • the shut-off valve has at least one input and at least one output.
  • a connection between the input and the output of the shut-off valve can be shut off by means of the shut-off.
  • the shut-off valve is provided to interrupt the supply of gas to the pilot flame supply line.
  • the flow characteristic is a flow and / or a flow rate and / or a flow velocity and / or a flow and / or a volume flow and / or a mass flow of the flowing water. It is also conceivable that the flow characteristic is a function of the flow and / or the flow rate and / or the flow velocity and / or the flow and / or the volume flow and / or the mass flow of the flowing water. In particular, the flow characteristic is dependent on a water requirement of a user. For example, a user can trigger a flow of water by opening a tap, wherein the flow of water is then associated with a flow characteristic.
  • the inventive design of the heater device advantageous properties can be achieved in terms of reliability.
  • advantageous properties can be achieved with regard to economy, in particular with regard to low gas consumption.
  • an inadvertent leakage of fuel gas can be avoided.
  • a gas supply can be opened specifically for a case of need.
  • existing structures can be adapted in a cost-effective and / or component-saving manner.
  • high reliability can be achieved.
  • a shut-off invention according to the invention can be used in many ways and / or advantageously easily adapted.
  • the shut-off unit is provided to interrupt the gas supply to the pilot flame feed line when falling below a limit value of the flow characteristic.
  • the shut-off unit is preferably provided to release the gas supply to the ignition flame feed line when the limit value and / or a further limit value, which is in particular greater than the limit value, is exceeded and the flow parameter is exceeded.
  • the limit value and / or the further limit value can be predetermined.
  • the shut-off valve is fully closed when the flow characteristic is below the limit.
  • the shut-off valve is fully open when the flow characteristic is above the limit. It is also conceivable that an opening degree of the shut-off valve changes continuously with the flow characteristic.
  • the shut-off valve may act at least for values of the flow characteristic above the limit value in the manner of a proportional valve and in particular be a proportional valve. It is also conceivable that the opening degree of the shut-off valve behaves hysteretically and / or is driven hysterically, in particular by a control unit of the shut-off unit. In particular, it is conceivable that the shut-off is intended to interrupt the gas supply to the Zündflammenzutechnisch at a fall below the limit of the flow characteristic over a predetermined and / or predetermined minimum period and / or the gas supply to the Zündflammenzutechnisch when exceeding the limit of the flow characteristic over a to release predetermined and / or predetermined further minimum period. As a result, a high level of operational reliability can advantageously be achieved. Furthermore, this can reduce gas consumption.
  • the shut-off unit at least one water supply element for the water whose state depends on the flow characteristic and to which the shut-off valve is in particular mechanically coupled.
  • the water supply element is traversed by the flowing water, in particular in the normal operating state.
  • the water inlet element is provided for connection to a water supply line.
  • the water supply element comprises at least one differential pressure switch.
  • the water feed element comprises at least one membrane which deforms as a function of the flow characteristic.
  • at least one connecting element designed in particular as a valve pin is attached to the membrane, which at least partially transmits a movement of the membrane to the shut-off valve.
  • the shut-off valve is electrically and / or magnetically and / or functionally coupled to the water supply element.
  • the water supply element may have a flow meter and / or a flow meter, which is provided for determining the flow characteristic.
  • a gas supply can advantageously be controlled as a function of a user request for water.
  • the heater device has at least the burner gas supply line.
  • the shut-off unit is provided to interrupt a gas supply to the burner gas supply in dependence on the flow characteristic.
  • an interruption of the burner gas supply line is coupled to an interruption of the pilot flame supply line.
  • the shut-off valve is provided to interrupt the gas supply to the burner gas supply line.
  • the shut-off unit has an additional shut-off valve for the burner gas supply line, which is designed in particular openable and closable independently of the shut-off valve.
  • the shut-off unit has a further shut-off valve, which is provided to interrupt a gas supply to the burner gas supply in response to a presence of a pilot flame of the gas burner.
  • the shut-off unit is provided to merely supply gas to the burner gas supply line then release when the flow characteristic is above the threshold and when a pilot flame is present.
  • the further shut-off valve is arranged fluidically behind the shut-off valve.
  • fuel gas flows from the gas port through the shut-off valve and the other shut-off valve.
  • the shut-off valve and the further shut-off valve are each suitable for completely interrupting a gas supply to the burner gas line.
  • a high reliability can advantageously be achieved.
  • a structurally simple solution for a safe heater device can be provided.
  • the heater device has a flame detection unit which is provided to actuate the further shut-off valve as a function of a temperature, in particular a temperature of a region of the ignition flame.
  • the flame detection unit has at least one temperature sensor.
  • the flame detection unit has at least one thermocouple.
  • the further shut-off valve is mechanically actuated.
  • the further shut-off valve is designed as a valve, in particular electronically and preferably in response to at least one sensor signal of the temperature sensor, in particular as a solenoid valve.
  • the shut-off valve and the further shut-off valve limit a space with which the ignition flame feed line is connected.
  • the shut-off unit has the space.
  • the shut-off unit has a further space which is connected to the room via the further shut-off valve.
  • the burner gas supply line is connected to the other room.
  • the gas supply line is connected via the shut-off valve to the room.
  • a heater in particular with a water heater, with at least one heater device according to the invention.
  • the invention proceeds from a method for operating a heater device, in particular a continuous flow heater device, with at least one gas burner for demand-heating of running water and with at least one ignition flame feed line for gas supply to a pilot flame of the gas burner.
  • a gas supply to the pilot flame feed line is interrupted as a function of at least one flow characteristic of the water.
  • inventive method advantageous properties can be achieved in terms of reliability.
  • advantageous properties can be achieved with regard to economy, in particular with regard to low gas consumption.
  • an inadvertent leakage of fuel gas can be avoided.
  • a gas supply can be selectively opened for a case of need.
  • existing structures can be adapted in a cost-effective and / or component-saving manner.
  • high reliability can be achieved.
  • a shut-off invention according to the invention can be used in many ways and / or advantageously easily adapted.
  • the stirring device according to the invention or the method according to the invention should not be limited to the applications and embodiments described above.
  • the stirring device according to the invention or the method according to the invention can fulfill one of a number of individual elements and / or components and / or units mentioned herein in order to fulfill a mode of operation described herein and / or method steps have a different number.
  • the method according to the invention may include special method steps in which in each case at least one of the above-described features of the heater device according to the invention and / or the heater according to the invention or an associated functionality is added and / or implemented.
  • values lying within the stated limits are also to be disclosed as disclosed and used as desired.
  • the FIG. 1 shows a heater 32 with a heater device 10.
  • the heater 32 is designed as a water heater.
  • the heater apparatus 10 includes a gas burner 12 for needled heating of running water.
  • the heater device 10 has a Zündflammenzutechnisch 16 for gas supply to a pilot flame 16 of the gas burner 12.
  • the heater device 10 comprises a shut-off unit 16, which has at least one shut-off valve 20.
  • the shut-off unit 16 is provided to interrupt a gas supply to the pilot flame feed line 14 as a function of at least one flow characteristic of the water.
  • the gas burner 12 has a flame region 34, within which the ignition flame 16 is arranged.
  • the flame region 34 includes at least one heating flame 36 in a normal operating mode.
  • the ignition flame 16 is intended to ignite the heating flame 36 as needed.
  • the heater device 10 has a burner gas supply line 24. Fuel gas for the heating flame 36 can be provided via the burner gas feed line 24. In the present case, the burner gas supply line 24 leads to the flame region 34. Furthermore, the ignition flame feed line 14 leads to the flame region 34.
  • the heater device 10 has a gas connection 48.
  • the gas connection 48 is part of the shut-off unit 18.
  • the gas connection 48 is fluidically connected to the shut-off valve 20.
  • the gas connection 48 is connected to an antechamber 50, which is delimited by the shut-off valve 20.
  • the heater device 10 has a water line 38, via which the flowing water can be supplied to a gas burner 12 associated heat exchanger 40.
  • a flow of water is triggered, for example by opening a corresponding tap, for example by the user.
  • the heater device 10 is part of an automated system in which a water request is automatically controlled.
  • the shut-off unit 18 is provided to interrupt the supply of gas to the ignition flame feed line 14 when the limit falls below a limit value of the flow characteristic.
  • the flow parameter is a flow rate.
  • the limit value in the present case is about 1 l / min.
  • other limit values are also conceivable, which in particular can be adapted and / or adapted to an application.
  • a corresponding limit value may deviate from the limit value exemplified here by a factor of 2, a factor of 5, a factor of 10, a factor of 20, a factor of 100, an intermediate, a larger or a smaller factor.
  • the flow characteristic another size than a flow rate, such as a flow rate, correspondingly sensible limit values are conceivable.
  • the shut-off unit 18 has at least one water supply element 22 for the water, the state of which depends on the flow characteristic and to which the shut-off valve 20 is coupled.
  • the shut-off valve 20 is mechanically coupled to the water supply element 22.
  • the water inlet element 22 can be flowed through by the water.
  • the water supply element 22 is connected to the water line 38.
  • the water inlet element 22 is formed in the present case as a differential pressure switch.
  • the water inlet element 22 has a membrane 42, which is formed deformable due to a back pressure or a flow pressure of the water. In the present case, in the case where water flows, the diaphragm 42 deforms in a direction away from the check valve 20.
  • the check valve 20 is connected to the diaphragm 42 via a connection member 44.
  • the connecting element 44 is connected to a shut-off body 46 of the shut-off valve 20.
  • a water supply element has, for example, an electronic sensor for determining a flow parameter.
  • a shut-off valve can then be opened and closed, for example, as a function of a sensor signal of the sensor.
  • a water supply element has at least one rotatably mounted flow element, which is rotatable due to a flow of water. Such a flow element can be mechanically coupled to a corresponding shut-off valve.
  • a shut-off valve is designed as a proportional valve and / or as a solenoid valve.
  • the shut-off unit 18 is intended to interrupt a gas supply to the burner gas supply line 24 as a function of the flow characteristic.
  • the shut-off valve 20 interrupts in a closed state, a gas supply from the gas port 48 to the Zündflammenzutechnisch 14 and the burner gas supply line 24, in particular in an identical manner depending on the flow characteristic.
  • the shut-off unit 18 has a further shut-off valve 26, which is provided to a gas supply to the burner gas supply line 24 in response to a Presence of a pilot flame 16 of the gas burner to interrupt.
  • the further shut-off valve 26 is closed, if no ignition flame 16 is present.
  • the gas supply to the burner gas supply line 24 is only released when the flow characteristic is above the limit and when a pilot flame 16 is present. Otherwise, the gas supply to the burner supply line 24 is interrupted by the shut-off valve 20 and / or by the further shut-off valve 26.
  • the further shut-off valve 26 is arranged fluidically behind the shut-off valve 20.
  • the shut-off valve 20 and the further shut-off valve 26 define a space 30, with which the Zündflammenzu effet 14 is connected.
  • the space 30 is connected via the further shut-off valve 26 with a further space 52.
  • the burner gas supply line 24 is connected to the further space 52.
  • fuel gas from the gas supply line 48 passes through the shut-off valve 20 in the space 30. From the space 30 reaches fuel gas to the Zündflammenzu réelle 14. Further, the fuel gas from the room 30 passes through the further shut-off valve 26 to the other space 52. From the other Room 52 passes the fuel gas to the fuel gas supply line 24.
  • the heater device 10 has a flame detection unit 28, which is provided to actuate the further shut-off valve 26 as a function of a temperature.
  • the flame detection unit 28 is provided to actuate the further shut-off valve 26 as a function of a temperature of a pilot flame area 56.
  • the flame detection unit 28 has a temperature sensor 58.
  • the temperature sensor is disposed in the pilot flame area 56.
  • the temperature sensor 58 is connected to a thermocouple 60.
  • the thermocouple 60 is mechanically coupled to the further shut-off valve 26. If the temperature in the pilot flame area 56 exceeds a temperature limit, the further shut-off valve 26 is opened.
  • a further shut-off valve in particular the further shut-off valve 26, is alternatively designed as a solenoid valve and / or as a proportional valve.
  • the corresponding shut-off valve is electronically controlled by a flame detection unit.
  • the heater device 10 For igniting the ignition flame 14, the heater device 10 has an ignition element 54.
  • the ignition element 54 is formed in the present case as a piezoelectric igniter.
  • the ignition element 54 is actuated in response to a presence of gas flow in the pilot gas line.
  • the ignition flame feed line 54 may for example comprise a flow meter.
  • such a flow meter can mechanically trigger an actuation of the ignition element 54. It is also an electronic actuation of a firing element 54 conceivable.
  • a method is performed in which a gas supply to the Zündflammenzutechnisch 14 is interrupted in response to at least one flow characteristic of the water.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Feeding And Controlling Fuel (AREA)
EP17192366.7A 2016-11-18 2017-09-21 Dispositif d'appareil de chauffage et procédé pour son opération Active EP3324130B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT109749A PT109749B (pt) 2016-11-18 2016-11-18 Dispositivo para aparelho de aquecimento

Publications (2)

Publication Number Publication Date
EP3324130A1 true EP3324130A1 (fr) 2018-05-23
EP3324130B1 EP3324130B1 (fr) 2019-11-06

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ID=59968965

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17192366.7A Active EP3324130B1 (fr) 2016-11-18 2017-09-21 Dispositif d'appareil de chauffage et procédé pour son opération

Country Status (4)

Country Link
EP (1) EP3324130B1 (fr)
CN (1) CN108344170A (fr)
ES (1) ES2766699T3 (fr)
PT (2) PT109749B (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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JP5196978B2 (ja) * 2007-12-06 2013-05-15 株式会社パロマ 湯沸器
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US5092519A (en) * 1991-02-05 1992-03-03 Bradford-White Corporation Control system for water heaters
DE202005000346U1 (de) * 2005-01-11 2005-05-12 Huang, Chun-Cheng Druckgesteuertes Doppelabsperrventil
WO2013050578A1 (fr) * 2011-10-06 2013-04-11 Riello S.P.A. Chauffe-eau à gaz instantané

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ES2766699T3 (es) 2020-06-12
EP3324130B1 (fr) 2019-11-06
PT3324130T (pt) 2019-12-30
PT109749B (pt) 2024-05-02
PT109749A (pt) 2018-05-18

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