EP3356746A1 - Heater device and method for operating a heater device - Google Patents
Heater device and method for operating a heater deviceInfo
- Publication number
- EP3356746A1 EP3356746A1 EP16770766.0A EP16770766A EP3356746A1 EP 3356746 A1 EP3356746 A1 EP 3356746A1 EP 16770766 A EP16770766 A EP 16770766A EP 3356746 A1 EP3356746 A1 EP 3356746A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluid
- unit
- heating
- control
- heater device
- 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
- 238000000034 method Methods 0.000 title claims description 5
- 239000012530 fluid Substances 0.000 claims abstract description 154
- 238000010438 heat treatment Methods 0.000 claims abstract description 113
- 230000001105 regulatory effect Effects 0.000 claims abstract description 39
- 238000011144 upstream manufacturing Methods 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001595 flow curve Methods 0.000 description 1
Classifications
-
- 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
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
-
- 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
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
-
- 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
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
-
- 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
-
- 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
- F24H1/121—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 electric energy supply
- F24H1/122—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 electric energy supply combined with storage tank
-
- 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
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/44—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with combinations of two or more of the types covered by groups F24H1/24 - F24H1/40 , e.g. boilers having a combination of features covered by F24H1/24 - F24H1/40
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/355—Control of heat-generating means in heaters
- F24H15/36—Control of heat-generating means in heaters of burners
-
- 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
- F24H9/1818—Arrangement or mounting of electric 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
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
-
- 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
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/02—Fluid distribution means
- F24D2220/0235—Three-way-valves
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/042—Temperature sensors
-
- 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
- F24H15/212—Temperature of the water
- F24H15/215—Temperature of the water before heating
-
- 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
- F24H15/212—Temperature of the water
- F24H15/219—Temperature of the water after heating
-
- 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
- F24H15/40—Control of fluid heaters characterised by the type of controllers
- F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based
Definitions
- the invention relates to a hot water tank according to the preamble of patent claim 1 and a method according to the preamble of claim 10.
- the heating unit comprises at least one fluid supply line, which is provided to supply the heating unit with the fluid for heating, and at least one fluid discharge, which is provided to discharge the fluid after heating from the heating unit.
- the heating unit is operated pulsed to set a certain temperature by means of a control and / or regulating unit.
- the invention is based on a heater apparatus having at least one heating unit which is provided to heat at least one fluid, with at least one fluid supply line which is provided to supply the heating fluid to the heating unit, with at least one fluid outlet provided for this purpose to derive the fluid after heating from the heating unit, and with a control and / or regulating unit which is provided to operate in at least one operating state, the heating unit for setting a certain temperature pulsed.
- the heater device has a valve unit which is provided to mix the fluid in the fluid discharge before an outlet with fluid from the fluid supply line.
- a "heater device” is to be understood as meaning, in particular, at least one part, in particular a subassembly, a heater and, preferably, a continuous flow heater
- a unit can be understood which is intended to convert energy, in particular electrical energy, bioenergy and / or preferably fossil energy, in particular directly, into heat and, in particular, to supply it to a fluid, advantageously water.
- the heating unit comprises at least one heating module and advantageously at least one heat exchanger.
- the heating module can be designed in particular as an electric heater and / or advantageously as a burner, in particular as an oil burner and particularly preferably as a gas burner, and advantageously has a thermal connection with the heat exchanger for heating the fluid.
- the heat exchanger comprises at least one supply line for a fluid, in particular unheated and / or to be heated, and in particular at least one outlet for a fluid, in particular heated by the heating module.
- the "heating unit is intended to heat a fluid” should be understood in particular to mean that the heating unit and in particular the heating module is provided, in at least one operating state, a temperature of the fluid compared to a reference temperature and / or or an initial temperature of at least 5 ° C., advantageously by at least 15 ° C., preferably by at least 25 ° C. and more preferably by at least 35 ° C.
- provided is intended in particular to be specially programmed, designed and / or equipped become.
- the fact that an object is intended for a specific function should in particular mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.
- control and / or regulating unit is to be understood as meaning, in particular, an electrical and / or electronic unit having at least one electronic control unit. unit and with a memory unit and with a stored in the memory unit operating, control and / or control program, which is in particular intended to be executed by the arithmetic unit to be understood.
- control and / or regulating unit is provided to operate in the at least one operating state, the heating module, in particular for setting and / or adjustment of a certain temperature, pulsed with at least two pulses.
- control and / or regulating unit is provided for "pulsed operation" of the heating unit and / or the heating module
- the control and / or regulating unit is provided for heating the heating unit and / or the heating unit Heating module clocked and / or discontinuously to operate and / or with energy, in particular electrical current and / or advantageous to supply fuel.
- the control and / or regulating unit is provided, in particular in a pulsed operation, the heating unit and / or To operate the heating module in a first time interval and to reduce a heating power of the heating module, in particular in a comparison with the first time interval, in a second time interval, in particular immediately after the first time interval, and / or advantageously an operation, in particular the heating unit and / or or the heating module, in particular completely, set and / or a power supply vollstä to interrupt.
- a first time interval follows immediately after the second time interval.
- a first time interval defines in particular a pulse duration of a pulse of the at least two pulses.
- the term "short-term” should be understood to mean, in particular, a maximum duration of 200 s, preferably of no more than 100 s and particularly preferably of no more than 50 s.
- a "valve unit” is to be understood in this context to mean, in particular, a unit is provided for a shut-off and / or adjustment of a flow of fluids.
- the valve unit has at least one valve, in particular an electric motor, and / or at least one solenoid-operated valve.
- the valve unit can be controlled by the control and / or regulating unit.
- a valve position of at least one valve of the valve unit can be changed by means of a control by the control and / or regulating unit.
- the valve unit is in particular fluidically at least partially between a fluid supply line, which is intended to supply the heating unit, the fluid for heating, and a fluid discharge, which is intended to derive the fluid after heating from the heating unit, arranged.
- a fluid supply line which is intended to supply the heating unit, the fluid for heating
- a fluid discharge which is intended to derive the fluid after heating from the heating unit, arranged.
- the heater device may comprise at least one sensor, in particular a flow sensor and / or temperature sensor, which is in particular provided to detect at least one measured variable correlated with the fluid, in particular a flow rate and / or a temperature.
- a generic heater device can be provided with improved operating characteristics.
- an advantageous flexibility and / or an advantageous efficiency, in particular a cost efficiency, a weight efficiency and / or a power efficiency can be achieved.
- an advantageously high temperature stability and / or an advantageously flexible temperature setting can be made possible.
- comfort, in particular for an end user can advantageously be increased, in which case, in particular, sudden temperature fluctuations can advantageously be minimized.
- control and / or regulating unit is provided to control the valve unit such that an at least substantially constant outlet temperature of the fluid is established.
- control and / or regulating unit is intended to control the valve unit such that an at least substantially "constant outlet temperature of the fluid adjusts" should be understood in this context in particular that the control unit is intended to to set a volume flow through the valve unit such that an outflow temperature of the fluid results with a fluctuation of at most 3 ° C., advantageously not more than 2 ° C. and more preferably not more than 1 ° C.
- control and / or regulating unit is provided for: a temperature of the fluid, in particular at an outlet at least substantially in a temperature range between 20 ° C and 80 ° C, preferably between 30 ° C and 70 ° C and more preferably between 40 ° C and 60 ° C at least substantially arbitrarily adjust.
- a temperature of the fluid in particular at an outlet at least substantially in a temperature range between 20 ° C and 80 ° C, preferably between 30 ° C and 70 ° C and more preferably between 40 ° C and 60 ° C at least substantially arbitrarily adjust.
- at least substantially arbitrary should thereby In particular, be understood as part of a setting accuracy of the control and / or regulating unit as desired.
- an adjustment of an outlet temperature with advantageously low temperature fluctuations can take place in an advantageously simple and / or reliable manner.
- control and / or regulating unit is provided to actuate the valve unit at least substantially synchronously with the pulsed operation of the heating unit.
- "at least substantially synchronous” should be understood in particular to mean that a control signal generated and / or output by the control and / or regulating unit for controlling the heating unit is generated and / or output at the same time as a control signal for actuating the valve unit.
- the valve unit and the heating unit are actuated by means of two at least substantially frequency-identical and time-synchronized, in particular synchronous or opposite, drive signals, whereby an advantageous coordination between a pulsed operation of the heating unit and a control of the valve unit can take place.
- control and / or regulating unit is provided to increase a fluid flow through the valve unit with increasing heating power of the heating unit during the pulsed operation.
- control and / or regulating unit is provided to increase a fluid flow through the valve unit to an extent when the heating power of the heating unit increases so that an increase in an outlet temperature of the fluid above a setpoint temperature is at least largely compensated.
- control and / or regulating unit is further provided to reduce a fluid flow through the valve unit with decreasing heating power of the heating unit during the pulsed operation.
- control and / or regulating unit is provided to reduce a fluid flow through the valve unit to an extent when the heating power of the heating unit decreases so that a drop in an outlet temperature of the fluid below a setpoint temperature is at least largely compensated.
- an outlet temperature of the fluid can advantageously be kept constant.
- valve unit has at least one bypass valve, which fluidically parallel to the heating unit is arranged.
- valve unit has at least one mixing valve, which is fluidically arranged in the fluid discharge line.
- fluid in the fluid discharge can advantageously be simply mixed with a variable volume flow of a fluid from the fluid supply line.
- control and / or regulating unit is intended to operate the heating unit in such a pulsed manner that the fluid is heated to a temperature which is above a selected outlet temperature of the fluid. This can advantageously be achieved that at any time a sufficiently high outlet temperature of the fluid can be achieved.
- a heater in particular water heater, proposed with at least one heater device according to the invention.
- the invention is based on a method for operating a heater device, with at least one heating unit which is provided to heat at least one fluid, with at least one fluid supply line which is provided to supply the heating fluid to the heating unit, with at least one Fluid discharge, which is intended to derive the fluid after heating from the heating unit, and with a control and / or regulating unit, which is intended to operate in at least one operating state, the heating unit for setting a certain temperature at least partially pulsed wherein the fluid is mixed in the fluid discharge before an outlet with fluid from the fluid supply line.
- flexibility and / or efficiency can advantageously be increased.
- the heater device according to the invention should not be limited to the application and embodiment described above.
- the heater device according to the invention may have a number deviating from a number of individual elements, components and units specified herein. drawing
- 1 is a schematic block diagram of a heater with a heater device
- Fig. 3 is a schematic block diagram of a heater with an alternative
- FIG. 4 is a schematic block diagram of a heater with another alternative heater device.
- FIG. 1 shows an exemplary heater 34a in the form of a through-flow heater in a schematic block diagram representation.
- the heater 34a includes a heater device 32a.
- the heater device 32a includes a heating unit 10a.
- the heating unit 10a is provided to heat a fluid.
- the heating unit 10a is provided to heat water.
- the heating unit 10a comprises a heating module 36a.
- the heating module 36a is designed as a gas burner module.
- a heating unit is provided to heat another fluid, such as a cryogen and / or a heating medium.
- the heater device 32a comprises a fluid supply line 12a, which is provided to supply the heating unit 10a with the fluid for heating and to supply a fluid to the heating unit 10a. Drain 14a, which is intended to dissipate the fluid after heating from the heating unit 10a.
- the heating module 36a has a suction unit 38a, which is provided for sucking combustion air and fuel.
- the suction unit 38a is connected to a first supply line 40a for combustion air and to a second supply line 42a for fuel.
- the heating module 36a further includes a burner 44a.
- the burner 44a is supplied via the suction unit 38a, a combustion air-fuel mixture.
- the burner 44a is provided to burn the combustion air-fuel mixture in at least one operating state. In this case, the burner 44a is provided to generate a heating flame.
- the heating unit 10a comprises a heat exchanger 46a.
- the heat exchanger 46a is disposed in a vicinity of the heating flame.
- the heat exchanger 46a is designed to transfer thermal energy from the heating module 36a to the fluid.
- the unheated fluid in particular water, is fed to the heat exchanger 46a via the fluid supply line 12a. Heated fluid is discharged from the heat exchanger 46a via the fluid drain 14a.
- the heating unit 10a has an exhaust gas module 48a.
- the exhaust module 48a is formed as a chimney.
- the exhaust module 48a is designed to remove exhaust gases.
- the exhaust module 48a is connected to an exhaust gas outlet 50a.
- the heater device 32a has a supply unit 52a.
- the supply unit 52a is provided to supply the unheated fluid to the heat exchanger 46a and / or the heater 34a.
- the supply unit 52a comprises a fluid inlet 54a.
- the fluid inlet 54a is connected to the fluid supply line 12a.
- the supply unit 52a comprises a main valve 68a, which is arranged in the fluid supply line 12a.
- the heater device 32a has a discharge unit 56a.
- the discharge unit 56a is provided to discharge the heated fluid from the heat exchanger 46a and / or the heater 34a.
- the removal unit 56a comprises an outlet 20a, which is connected to the fluid discharge line 14a.
- the heater device 32a further includes a plurality of sensors 60a, 62a, 64a, 66a.
- a first sensor 60a is designed as a flow sensor.
- a second sensor 62a is designed as a first temperature sensor.
- the second sensor 62a is provided to detect a temperature of the fluid immediately after the fluid inlet 54a.
- a third sensor 64a is designed as a second temperature sensor.
- the third sensor 64a is provided to detect a temperature of the fluid immediately after the heat exchanger 46a.
- a fourth sensor 66a is designed as a third temperature sensor.
- the fourth sensor 66a is provided to detect a temperature of the fluid immediately in front of the outlet 20a.
- the heater device 32a has a control and / or regulating unit 16a.
- the control and / or regulating unit 16a is provided to perform an operation of
- Control heater device 32a For this purpose, the control and / or regulating unit 16a has an arithmetic unit, a memory unit and an operating program stored in the memory unit, which is intended to be executed by the arithmetic unit. In addition, the control and / or regulating unit 16a is provided to set and / or to provide a requested heating power. For this purpose, the control and / or regulating unit 16a has an electrical connection to the sensors 60a, 62a, 64a, 66a. In addition, the control and / or regulating unit 16a has an electrical connection with the burner 44a and the main valve 68a. The control and / or regulating unit 16a is provided to control the burner 44a and the main valve 68a. The control and / or regulating unit 16a is provided for, in an operating state, the heating unit 10a, in particular the heating module 36a Setting a specific temperature pulsed to operate.
- the heater device 32a has a valve unit 18a.
- the valve unit 18a is provided to communicate the fluid in the fluid drain 14a in front of the outlet 20a
- the valve unit 18a has a bypass valve 28a, which is arranged fluidically parallel to the heating unit 10a.
- the first sensor 60a and the main valve 68a are arranged fluidically behind a branch point 70a of the fluid supply line 12a in a bypass line 72a connected to the bypass valve 28a.
- valve 16a is intended to actuate the valve unit 18a such that a constant outlet temperature 22a of the fluid is established (see FIG.
- FIG. 2 shows a pulsed operating mode.
- a time is shown on an abscissa axis 74a.
- An ordinate axis 76a is shown as a magnitude axis.
- the control and / or regulating unit 16a is provided to operate the heating module 36a in the operating state to set a certain temperature pulsed.
- the control and / or regulating unit 16a is provided to operate the heating unit 10a in such a pulsed manner that the fluid is heated to a temperature which is above a selected outlet temperature 22a of the fluid.
- a curve 78a shows the periodically fluctuating temperature of the fluid detected by the third sensor 64a immediately after the heat exchanger 46a.
- the fluid in the fluid outlet 14a is mixed with fluid from the fluid supply line 12a.
- An inflow amount of the fluid from the fluid supply line 12a is adjusted by means of the valve unit 18a.
- a second curve 80a shows the temperature of the fluid detected by the second sensor 62a immediately after the fluid inlet 54a.
- the control and / or regulating unit 16a is provided to actuate the valve unit 18a at least substantially synchronously with the pulsed operation of the heating unit 10a.
- the control unit 16a is provided to increase a fluid flow rate 24a through the valve unit 18a as the heating power of the heating unit 10a increases during pulsed operation, and the fluid flow rate 24a through the valve unit 18a decreases as the heater unit 10a decreases during pulsed operation to reduce.
- a third curve 82a shows the fluid flow 24a changing in synchronism with the temperature of the fluid immediately after the heat exchanger 46a through the valve unit 18a.
- a fourth curve 84a shows the resulting resulting by the fourth sensor 66a constant outlet temperature 22a of the fluid.
- FIGS. 3 and 4 show further exemplary embodiments of the invention.
- the following descriptions and the drawings are essentially limited to the differences between the exemplary embodiments, wherein, with regard to identically named components, in particular with regard to components having the same reference numbers, in principle also to the drawings and / or the description of the other embodiments, in particular FIGS and 2 can be referenced.
- To distinguish the embodiments of the letter a is the reference numerals of the embodiment in Figures 1 and 2 adjusted.
- the letter a is replaced by the letters b to c.
- FIG. 3 shows an alternative embodiment of a heater device 32b.
- the heater device 32b has a valve unit 18b.
- the valve unit 18b is to provided to mix a fluid in a fluid drain 14b in front of an outlet 20b with fluid from a fluid supply line 12b.
- the valve unit 18b has a bypass valve 28b, which is arranged fluidically parallel to a heating unit 10b.
- a first sensor 60b which is designed as a flow sensor, and a main valve 68b are fluidically arranged in front of a branch point 70b of the fluid supply line 12b in a bypass line 72b connected to the bypass valve 28b.
- FIG. 4 shows a further alternative embodiment of a heater device 32c.
- the heater device 32c has a valve unit 18b.
- the valve unit 18c is intended to mix a fluid in a fluid outlet 14c in front of an outlet 20c with fluid from a fluid supply line 12c.
- the valve unit 18c has a mixing valve 30c, which is fluidically arranged in the fluid discharge line 14c.
- a first sensor 60c which is designed as a flow sensor, and a main valve 68c are fluidically arranged in front of a branch point 70c of the fluid supply line 12c in a bypass line 72c connected to the mixing valve 30c.
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- 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)
- Road Paving Structures (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT108844A PT108844B (en) | 2015-09-28 | 2015-09-28 | HEATING DEVICE AND PROCESS OF OPERATING A HEATING DEVICE. |
PCT/EP2016/072799 WO2017055198A1 (en) | 2015-09-28 | 2016-09-26 | Heater device and method for operating a heater device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3356746A1 true EP3356746A1 (en) | 2018-08-08 |
EP3356746B1 EP3356746B1 (en) | 2020-08-05 |
Family
ID=56997497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16770766.0A Active EP3356746B1 (en) | 2015-09-28 | 2016-09-26 | Heater device and method for operating a heater device |
Country Status (5)
Country | Link |
---|---|
US (1) | US10871294B2 (en) |
EP (1) | EP3356746B1 (en) |
CN (1) | CN108431517A (en) |
PT (2) | PT108844B (en) |
WO (1) | WO2017055198A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10883729B2 (en) * | 2016-12-22 | 2021-01-05 | Rheem Manufacturing Company | Automatic firing rate control for a heat exchanger |
WO2024123829A1 (en) * | 2022-12-05 | 2024-06-13 | Ademco Inc. | Controller and process to operate a water heater |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2262691Y (en) | 1996-05-17 | 1997-09-17 | 宋昭宏 | Electric water heater with water temp regulator |
CN2285447Y (en) | 1996-09-13 | 1998-07-01 | 陈非 | Fully automatic water-heating, water boiling device |
JP3862809B2 (en) | 1997-04-30 | 2006-12-27 | 株式会社ガスター | Water heater with bypass valve |
CN2371511Y (en) | 1999-06-08 | 2000-03-29 | 朱继跃 | Adjustable temp constant temp water heater |
JP4253006B2 (en) * | 2006-03-27 | 2009-04-08 | リンナイ株式会社 | Circulating water heater |
CN201028756Y (en) | 2007-04-10 | 2008-02-27 | 上海能率有限公司 | Electric water heater with electric proportion valve |
JP4426616B2 (en) | 2007-12-19 | 2010-03-03 | リンナイ株式会社 | Water heater |
JP5084768B2 (en) * | 2009-03-11 | 2012-11-28 | リンナイ株式会社 | Hot water system |
WO2012009213A1 (en) * | 2010-07-15 | 2012-01-19 | Siemens Healthcare Diagnostics Inc. | Methods, systems, and apparatus providing temperatures-controlled process fluid |
CN101988734A (en) | 2010-11-10 | 2011-03-23 | 张贵华 | Constant-temperature electric water heater |
CA2883083C (en) * | 2015-02-24 | 2020-03-24 | Maxi-Therme Inc. | Heat exchange system and method |
-
2015
- 2015-09-28 PT PT108844A patent/PT108844B/en active IP Right Grant
-
2016
- 2016-09-26 EP EP16770766.0A patent/EP3356746B1/en active Active
- 2016-09-26 WO PCT/EP2016/072799 patent/WO2017055198A1/en active Application Filing
- 2016-09-26 PT PT167707660T patent/PT3356746T/en unknown
- 2016-09-26 US US15/761,328 patent/US10871294B2/en active Active
- 2016-09-26 CN CN201680055668.3A patent/CN108431517A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP3356746B1 (en) | 2020-08-05 |
WO2017055198A1 (en) | 2017-04-06 |
US10871294B2 (en) | 2020-12-22 |
US20180266703A1 (en) | 2018-09-20 |
PT108844B (en) | 2023-03-03 |
PT3356746T (en) | 2020-09-01 |
CN108431517A (en) | 2018-08-21 |
PT108844A (en) | 2017-03-28 |
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