EP2299199B1 - Dispositif de chauffage d'eau, notamment accumulateur d'eau chaude - Google Patents

Dispositif de chauffage d'eau, notamment accumulateur d'eau chaude Download PDF

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Publication number
EP2299199B1
EP2299199B1 EP10175154.3A EP10175154A EP2299199B1 EP 2299199 B1 EP2299199 B1 EP 2299199B1 EP 10175154 A EP10175154 A EP 10175154A EP 2299199 B1 EP2299199 B1 EP 2299199B1
Authority
EP
European Patent Office
Prior art keywords
water
heating
storage vessel
heating element
inner storage
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.)
Not-in-force
Application number
EP10175154.3A
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German (de)
English (en)
Other versions
EP2299199A3 (fr
EP2299199A2 (fr
Inventor
Rongshuan An
Bernd Schröder
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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Filing date
Publication date
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Priority to PL10175154T priority Critical patent/PL2299199T3/pl
Publication of EP2299199A2 publication Critical patent/EP2299199A2/fr
Publication of EP2299199A3 publication Critical patent/EP2299199A3/fr
Application granted granted Critical
Publication of EP2299199B1 publication Critical patent/EP2299199B1/fr
Not-in-force 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
    • F24H1/18—Water-storage heaters
    • F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
    • 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
    • F24H15/174—Supplying heated water with desired temperature or desired range of temperature
    • 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
    • F24H15/223—Temperature of the water in the water 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
    • 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
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/296—Information from neighbouring 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
    • 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
    • F24H15/37—Control of heat-generating means in heaters of electric heaters
    • 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
    • F24H9/0005—Details for water heaters
    • F24H9/001—Guiding means
    • F24H9/0015—Guiding means in water channels
    • 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
    • F24H9/0005—Details for water heaters
    • F24H9/001—Guiding means
    • F24H9/0015—Guiding means in water channels
    • F24H9/0021—Sleeves surrounding heating elements or heating pipes, e.g. pipes filled with heat transfer fluid, for guiding heated liquid
    • 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
    • F24H9/12—Arrangements for connecting heaters to circulation pipes
    • F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
    • F24H9/133—Storage heaters
    • 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
    • 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
    • F24H9/2021—Storage heaters
    • 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
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/08—Electric heater
    • 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
    • F24D2220/08—Storage tanks
    • 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
    • F24D2240/00—Characterizing positions, e.g. of sensors, inlets, outlets
    • F24D2240/10—Placed within or inside of
    • 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
    • F24D2240/00—Characterizing positions, e.g. of sensors, inlets, outlets
    • F24D2240/20—Placed at top position
    • 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
    • F24D2240/00—Characterizing positions, e.g. of sensors, inlets, outlets
    • F24D2240/22—Placed at bottom position

Definitions

  • the present invention relates to a water heater, in particular a hot water tank according to the preamble of patent claim 1.
  • Conventional hot water storage tanks usually comprise an inner storage vessel for storing water, an inlet and outlet pipe connected thereto, a housing enclosing the inner storage vessel and a heat insulating layer located between inner storage vessel and housing.
  • a heating element for heating stored water to a predetermined temperature is mounted in the inner storage vessel.
  • a temperature sensor is often present in the inner storage vessel, with which it can be detected whether the water temperature in the inner storage vessel has reached the predetermined value. Once the water is heated to the set temperature, the heating element is switched off and the user can then use the water heater for showering or for another purpose.
  • the hot water flows out of the outlet pipe and is mixed via a mixing valve with cold water to produce a suitable temperature for the user.
  • cold water is continuously introduced into the inner storage vessel through the inlet pipe. If the water temperature in the inner storage vessel falls below a preset value, this can be detected by the temperature sensor, so that the heating element is turned on again. But since hot water and cold water have different densities, the hot water typically accumulates in the upper region and the cold water in the lower region of the inner storage vessel, while the temperature sensor is located mostly in the central region of the inner storage vessel. For this reason, the temperature sensor can not reflect any current change in the water temperature in the water heater during the rapid warm / cold water exchange. So it is possible that the heating element, if the water temperature is already below a predetermined value, is not turned on again. This can reduce the showering comfort due to cold water.
  • the JP H08 5146 A discloses an electric water heater with a heater, a partition and an auxiliary heat source connected to a heat exchanger.
  • the JP H08 5146 A does not disclose a cup-like deflecting element which covers a heating coil from above and has a lateral wall which extends at the outer edge of the heating coil, so that a gap between deflecting element and heating coil is formed, through which a water flow from a heating channel formed by the heating coil in an opposite Direction is deflected.
  • the DD 132 031 A1 discloses an arrangement for increasing the safety and life of hot water storage.
  • This known hot water tank has no second heating device.
  • Object of the present invention is therefore to provide a water heater, which ensures a long-lived and economical operation.
  • the object is achieved by means of a water heater with a feature combination according to claim 1.
  • the water heater has an inner storage vessel for receiving a predetermined amount of heatable water, a Inlet tube and an outlet tube, which are connected to the inner storage vessel and serve for transferring entering into the inner storage vessel or emerging from the inner storage vessel water, on.
  • a first heating element is provided, which is arranged in the inner storage vessel and forms a heating channel with which the water introduced through the inlet pipe into the inner storage vessel can be heated or heated.
  • the water heater has an improved heating element with lower operating temperature, which can shorten the heating time. On the one hand this helps to save water and on the other hand it can extend the service life of the heating element.
  • the water heater further comprises a deflection element arranged at an outflow opening of the heating channel, with which the flow direction of the water flowing out of the heating channel can be changed or deflected.
  • the deflecting element is designed such that the water flow from the outflow opening of the heating channel can be deflected in an opposite direction.
  • the first heating element comprises a heating coil, wherein the heating channel is formed by the heating coil.
  • the heating coil is located above an outlet end of the inlet tube so that the water leaving the outlet end can immediately flow into the heating channel.
  • the heating coil is arranged in a lower half of the inner storage vessel.
  • the water heater additionally comprises a deflection element arranged above the heating coil, with which the flow direction of the water flowing out of the heating channel can be changed.
  • the deflection element further extends downwards on the outer wall of the heating coil, so that a gap is created between the deflection element and the heating coil, wherein the water flow from the heating channel can be directed through the gap in an opposite direction.
  • the first heating element is located on a transverse side of the inner storage vessel.
  • the first heating element is located on the underside of the inner storage vessel.
  • the water heater further comprises a second heating element for heating water in the inner storage vessel.
  • the second heating element is located above the first heating element.
  • the water heater further comprises a flow detection unit for detecting water flowing into the inner storage vessel and a control device which is connected to the first heating element, the second heating element and the flow detection unit in order to control the first and second heating elements.
  • the flow detection unit is mounted or arranged on the inlet pipe.
  • Control means in addition means for receiving a signal from the flow detection unit, which is intended to indicate that water flows into the inner storage vessel, means for deciding whether the second heating element is turned on, and means for switching on the first heating element when the second heating element is turned off on ,
  • the water heater further comprises a temperature sensor for measuring the water temperature in the inner storage vessel
  • the control means further comprises means for receiving a signal from the temperature sensor, which is a water temperature value, and means for switching on the second A heating element when the detected water temperature value is less than a first preset threshold, or means for turning off the second heating element when the detected water temperature value is greater than or equal to a second preset threshold, the second preset threshold being greater than the first preset threshold.
  • the present invention offers the following advantages: With the heating channel of the first heating element, the cold water introduced into the inner storage vessel via the inlet tube can be preheated, so that its temperature experiences a rapid increase and thus the heating time can be reduced.
  • the first heating element is primarily for heating cold water introduced through the inlet tube and therefore may have a relatively low operating temperature, which extends the life of the first heating element.
  • the water flowing out of the outlet pipe is not subjected to any undesired reheating, so that no additional amount of cold water to be mixed has to be provided, thereby saving water.
  • the deflecting element provided according to the invention makes it possible for the preheated water to be mixed with the cold water from the water layer lying further down, thereby increasing the water temperature of this cold water layer, which leads to a further reduction in the heating time.
  • the water heater 100 consists of an inner storage vessel 8 for storing heated water, a housing (not shown) surrounding the inner storage vessel 8 and a heat insulating layer (not shown) filled with a foam (eg, polyurethanes) between the inner storage vessel 8 and the housing.
  • a foam eg, polyurethanes
  • the inner storage vessel 8 has a substantially cylindrical shape with a cylindrical wall and is usually made of ferrous metal such as steel or iron.
  • the water heater 100 is mounted horizontally, ie, the elongated wall of the inner storage vessel extends along a horizontal axis in FIG Fig. 1 , wherein the inner storage vessel 8 is divided by the horizontal axis into an upper and a lower half. It will be understood by those skilled in the art that the water heater can also be mounted vertically, ie the elongated wall of the inner storage vessel extends perpendicular to the illustrated horizontal axis.
  • An inlet pipe 1 and an outlet pipe 15 are connected to the inner storage vessel 8 connected and each serve to introduce cold water into the inner storage vessel or for the discharge of hot water from the inner storage vessel.
  • the inlet pipe 1 is attached to the wall of the inner storage vessel 8 and its discharge end 11 is located in the lower half of the inner storage vessel 8, while the discharge pipe 15 projects through the wall into the interior of the inner storage vessel 1 and its entrance end (not labeled) located in the upper half of the inner storage vessel.
  • the inlet and outlet pipes can be made different.
  • a single water pipe, a two-piece pipe or even a multi-part pipe with pipe connections can be used as the inlet or outlet pipe.
  • a flange 9 is arranged on a transverse side of the inner storage vessel 1, to which a first heating element 2, a second heating element 4 and a temperature sensor 5 are mounted, all of which project into the water. Moreover, there is a flow detecting unit 7 on the inlet pipe 1, and a controller 6 is electrically connected to the first heating element 2, the second heating element 4, the temperature sensor 5 and the flow detecting unit 7 to drive the first and second heating elements.
  • the flow detection unit 7 and the control device 6 will be discussed below.
  • the first and second heating elements 2, 4 are formed as an electric heating pipe.
  • the electrical heating tube may include a high impedance resistance wire with the resistance wire's plus and minus terminals attached to the flange and connected to a 220V or 110V AC power supply for electrical energy to heat inside Storage vessel stored water to heat to convert.
  • the temperature sensor 5, which is provided for the measurement of stored water in the inner storage vessel, may be a temperature-sensitive element.
  • temperature-sensitive or temperature-dependent elements are those elements whose physical properties change with temperature, so that the detected change in the physical properties promptly reflects a corresponding temperature change.
  • thermistors may be mentioned in which the Resistance value depends on the temperature.
  • the first heating element 2 extends from the region of the flange 9 in the lower half of the inner storage vessel 8 and there turns into a heating coil, wherein the area enclosed by this forms a heating channel A.
  • the heating coil is located above the inlet pipe 1, near its outlet end 11.
  • the resistance wires of the first heating element 2 can be located for the most part in the heating coil in order, in particular, to heat the water introduced via the inlet pipe 1.
  • the resistance wires of the second heating element 4 can be stranded over the entire heating tube, so that the water stored in the inner storage vessel can be heated as a whole.
  • the second heating element 4 is located above the first heating element 2. In other embodiments, it is also conceivable to arrange the second heating element 4 below the first heating element 2, without the heating effect being impaired.
  • a deflection element 3 is provided at an outflow opening 21 of the heating channel A (in this case at the upper side of the heating coil), with which the flow direction of the water flowing out of the heating channel A can be changed.
  • the deflecting element 3 is designed such that the water flow from the outflow opening 21 of the heating channel A is directed in an opposite direction so that the water heated by the heating channel can flow into the water layer lying further down for mixing therewith.
  • the deflection element is an upside-down cup, which covers the heating coil from above.
  • the lateral wall of the cup extends at the outer edge of the heating coil down, so that a gap B between deflecting element and heating coil is formed. Under the influence of this deflection mechanism, the flow of water from the heating channel in an opposite. Direction be directed in accordance with the illustrated downward arrow.
  • the deflection element 3 may consist of heat-resistant valuable material such as metal and may be arranged directly on the first heating element 2 in a stationary manner.
  • the cold water introduced via the inlet pipe into the inner storage vessel can be preheated, so that its temperature experiences a rapid increase and thus the heating time can be reduced.
  • the first heating element is primarily for heating cold water introduced through the inlet tube and therefore may have a relatively low operating temperature, which extends the life of the first heating element.
  • the water flowing out of the outlet pipe is not subjected to any undesired reheating, so that no additional amount of cold water to be mixed has to be provided, thereby saving water.
  • the deflecting element provided according to the invention makes it possible for the preheated water to be mixed with the cold water from the water layer lying further down, thereby increasing the water temperature of this cold water layer, which leads to a further reduction in the heating time.
  • the inlet tube may also protrude into the interior of the inner storage vessel while the heating coil surrounds the protruding portion of the inlet tube. In this way, the cold water still in the inlet pipe can be preheated. If the inlet tube continues to extend into the upper region of the inner storage vessel, the heating coil can also be arranged in the upper half of the inner storage vessel.
  • the deflection element only has to extend down into a desired water layer in order to be able to mix the cold water in this layer with the water heated by the heating channel.
  • Fig. 2 shows a further embodiment of the water heater according to the invention, which differs from the embodiment described above mainly in that the first heating element 25 is attached to the lower wall portion of the inner storage vessel 8 and its heating coil is still located above the outlet end 11 of the inlet tube 1 to to heat up the incoming cold water. Since the other components are identical in construction and connection type with the above-described embodiment, will not be discussed at this point.
  • the task of the flow detection unit 7 is to detect whether water flows into the inner storage vessel. It can be attached to the inlet pipe (as in Fig. 1 and 2 shown) or else be attached to the outlet pipe.
  • the flow detection unit may be a conventional sensor with Hall element and impeller. The main axis of the impeller is usually oriented perpendicular to the flow direction, and a magnet is glued to each blade of the impeller.
  • the Hall element is attached to the outer wall of the pipeline and at the same time electrically connected to the control device 6.
  • the control device 6 can be designed as a control circuit with a plurality of electronic components.
  • a circuit can be used as a control device 6, which contains electronic switching elements and a programmable logic controller.
  • This programmable logic controller may be a microcontroller unit (MCU) or other integrated circuit such as an application specific integrated circuit (Application Specific Integrated Circuit, ASIC) or Field Programmable Gate Array (FPGA).
  • a microcontroller In the present embodiment, a microcontroller is exemplified. It is well known that a microcontroller typically has a central processing unit (CPU), a read-only memory (ROM), a random access memory (RAM), a timer, a digital memory Analog converter (A / D converter) and multiple input / output ports includes.
  • CPU central processing unit
  • ROM read-only memory
  • RAM random access memory
  • a / D converter digital memory Analog converter
  • multiple input / output ports includes.
  • the control device 6 in each case via an electrical line (in Fig. 1 and 2 shown in phantom) to the first heating element 2, the second heating element 4, the temperature sensor 5 and the flow detection unit 7 electrically connected.
  • the water temperature in the inner storage vessel 8 is monitored by the control device 6 via the temperature sensor 5 and then the second heating element 4 is activated.
  • the microcontroller for example, by reading the temperature sensor 5 (thermistor) perform a real-time monitoring of the water temperature in the inner storage vessel. If the sensed temperature is below a first preset threshold T1, indicating that the water in the internal storage vessel is too cold and not suitable for use, the associated electronic switch is actuated by the microcontroller to activate the second heating element.
  • the electronic switch associated with the second heating element is opened by the microcontroller to deactivate the second heating element.
  • the first and second preset thresholds T1, T2 can be factory set or post-set by the user according to their habits.
  • Fig. 3 warm water flows when using the water heater of the present invention from the outlet pipe 15, and at the same time cold water is introduced through the inlet pipe 1 into the inner storage vessel 8.
  • a pulse signal is generated by the flow detection unit 7 and transmitted to the microcontroller (step 811).
  • This receives the signal via a corresponding input port and then decides whether the second heating element 4 is turned on (step 812).
  • This is recognized by the microcontroller in the state of the electronic switch connected between it and the second heating element 4. From a closed switch can be deduced that the second heating element 4 is turned on. In contrast, an open switch indicates that the second heating element 4 is turned off.
  • the first heating element 2 is turned on by the control device 6 (step 813) in order to avoid too rapid lowering of the water temperature in the inner storage vessel. This can be done, for example, by an actuated by the microcontroller closing the connected to the first heating element 2 electron switch.
  • the second heating element 4 is turned on, no turning on of the first heating element 2 by the microcontroller takes place, but the second heating element 4 remains still in the on state and is continuously monitored for its operating state to the first heating element 2 when the second heating element 2 is switched off to turn on.
  • a third, a fourth or more heating elements may be provided in the inner storage vessel to achieve a uniform temperature in the individual water layers.
  • the above configuration, in which the first and second heating elements are not to be turned on simultaneously is based on the consideration that the available power supply may not be sufficient. If sufficient electric power is available, then the first and second heating elements can also be switched on simultaneously, whereby the heating time can be reduced to a considerable extent.

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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)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Details Of Fluid Heaters (AREA)

Claims (10)

  1. Dispositif de chauffage d'eau (100) :
    avec un récipient d'accumulation intérieur (8) destiné à recevoir une quantité prédéterminée d'eau destinée à être chauffée,
    avec un conduit d'arrivée (1), agencé dans la moitié inférieure du récipient d'accumulation (8), et un conduit de sortie (15), qui sont reliés au récipient d'accumulation intérieur (8) et servent à transférer de l'eau entrant dans le récipient d'accumulation intérieur (8) resp. sortant du récipient d'accumulation intérieur (8), et
    avec un premier élément chauffant (2), qui est agencé dans le récipient d'accumulation intérieur (8) et qui forme un canal de chauffage (A) grâce auquel l'eau introduite à l'intérieur du récipient d'accumulation (8) à travers le conduit d'arrivée (1) peut être chauffée,
    dans lequel le premier élément chauffant (2) comprend un filament de chauffage (25), et le canal de chauffage (A) est formé par le filament de chauffage (25),
    et dans lequel le dispositif de chauffage d'eau (100) comprend en outre un deuxième élément chauffant (4) destiné au chauffage de l'eau se trouvant dans le récipient d'accumulation intérieur (2),
    dans lequel le dispositif de chauffage d'eau (100) comprend de manière supplémentaire un élément déflecteur (3) agencé au-dessus du filament de chauffage (25) au niveau d'une ouverture d'écoulement (21) du canal de chauffage, le sens de circulation de l'eau s'écoulant hors du canal de chauffage (A) pouvant être dévié grâce audit élément,
    caractérisé en ce que
    l'élément déflecteur (3) ressemble à un gobelet posé sur la tête, qui recouvre le filament de chauffage par le dessus et dont la paroi latérale s'étend plus avant vers le bas au niveau du bord extérieur du filament de chauffage (25), de sorte qu'un interstice (B) est créé entre l'élément déflecteur (3) et le filament de chauffage (25), dans lequel la circulation d'eau issue du canal de chauffage (A) à travers l'interstice (B) peut être déviée dans un sens inverse du sens de circulation dans le canal de chauffage (A).
  2. Dispositif de chauffage d'eau (100) selon la revendication 1, caractérisé en ce que le filament de chauffage (25) est agencé au-dessus d'une extrémité de sortie (11) du conduit d'arrivée (1) afin que l'eau sortant de l'extrémité de sortie (11) puisse s'écouler de manière essentiellement directe dans le canal de chauffage (A).
  3. Dispositif de chauffage d'eau (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que le filament de chauffage (25) est agencé dans une moitié inférieure du récipient d'accumulation intérieur (8).
  4. Dispositif de chauffage d'eau (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier élément chauffant (2) est agencé sur un côté transversal du récipient d'accumulation intérieur (8).
  5. Dispositif de chauffage d'eau (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier élément chauffant (2) est agencé sur le côté inférieur du récipient d'accumulation intérieur (8).
  6. Dispositif de chauffage d'eau selon l'une quelconque des revendications précédentes, caractérisé en ce que le deuxième élément chauffant (4) se trouve au-dessus du premier élément chauffant (2).
  7. Dispositif de chauffage d'eau (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de chauffage d'eau (100) comprend en outre
    une unité de détection d'écoulement (7) destinée à détecter de l'eau s'écoulant dans le récipient d'accumulation intérieur (8), et
    un appareil de commande (6) qui est relié au premier élément chauffant, au deuxième élément chauffant et à l'unité de détection d'écoulement (7), pour commander les premier et deuxième éléments chauffants (2, 4).
  8. Dispositif de chauffage d'eau (100) selon la revendication 7, caractérisé en ce que l'unité de détection d'écoulement (7) est mise en place au niveau du conduit d'arrivée (1).
  9. Dispositif de chauffage d'eau (100) selon la revendication 7 ou 8, caractérisé en ce que l'appareil de commande (6) présente :
    un moyen destiné à recevoir un signal provenant de l'unité de détection d'écoulement (7), qui doit indiquer si de l'eau afflue dans le récipient d'accumulation intérieur,
    un moyen destiné à décider si le deuxième élément chauffant est activé, et un moyen destiné à activer le premier élément chauffant (2) lorsque le deuxième élément chauffant (4) est désactivé.
  10. Dispositif de chauffage d'eau (100) selon l'une quelconque des revendications 7 à 9, caractérisé en ce que le dispositif de chauffage d'eau (100) comprend en outre un capteur de température (5) destiné à mesurer la température de l'eau dans le récipient d'accumulation intérieur (8) et l'appareil de commande (6) présente en outre :
    un moyen destiné à recevoir un signal provenant dudit capteur de température (5), ledit signal concernant une valeur de température d'eau, et
    un moyen destiné à activer le deuxième élément chauffant lorsque la valeur de température d'eau détectée est inférieure à une première valeur de seuil prédéfinie,
    ou
    un moyen destiné à désactiver le deuxième élément chauffant lorsque la valeur de température d'eau détectée est supérieure ou égale à une deuxième valeur de seuil prédéfinie, la deuxième valeur de seuil prédéfinie étant supérieure à la première valeur de seuil prédéfinie.
EP10175154.3A 2009-09-04 2010-09-03 Dispositif de chauffage d'eau, notamment accumulateur d'eau chaude Not-in-force EP2299199B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10175154T PL2299199T3 (pl) 2009-09-04 2010-09-03 Ogrzewacz wody, zwłaszcza zasobnik ciepłej wody

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910182730.7A CN102012094B (zh) 2009-09-04 2009-09-04 热水器

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EP2299199A2 EP2299199A2 (fr) 2011-03-23
EP2299199A3 EP2299199A3 (fr) 2014-01-22
EP2299199B1 true EP2299199B1 (fr) 2016-11-09

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CN102607173B (zh) * 2011-12-31 2017-07-04 武汉海尔热水器有限公司 一种安装于热水器内胆中的挡水板
CN104034039B (zh) * 2013-03-04 2019-03-19 青岛经济技术开发区海尔热水器有限公司 一种具有挡水板的热水器
US9677449B2 (en) 2013-12-19 2017-06-13 Cnh Industrial America Llc System for controlling the temperature of an exhaust reductant used within an exhaust treatment system of a work vehicle
CN108006951A (zh) * 2017-11-15 2018-05-08 东莞市联洲知识产权运营管理有限公司 一种加热速度可调的节能热水器
CN109972699A (zh) * 2019-04-26 2019-07-05 广东交通职业技术学院 一种具有加热功能的储液装置
CN111076413B (zh) * 2019-12-31 2021-07-06 佛山市顺德区远熠模塑电器有限公司 三相电即热式热水器

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FR2706989A1 (en) * 1993-06-25 1994-12-30 Drugeon Daniel Device for storing and feeding with hot sanitary water
JPH085146A (ja) * 1994-06-17 1996-01-12 Yupatsuku:Kk 節電型即熱式電気温水器
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CN2835880Y (zh) * 2005-05-16 2006-11-08 浙江康泉电器有限公司 两端加热横卧贮水式电热水器
CN2842287Y (zh) * 2005-09-29 2006-11-29 王庆锋 电热水器内胆
CN2828656Y (zh) * 2005-09-30 2006-10-18 艾欧史密斯(中国)热水器有限公司 缓冲式热水器
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CN201269620Y (zh) * 2008-09-18 2009-07-08 陈非 一种恒温预即混热电热水器

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Publication number Publication date
CN102012094B (zh) 2015-03-25
EP2299199A3 (fr) 2014-01-22
CN102012094A (zh) 2011-04-13
PL2299199T3 (pl) 2017-05-31
EP2299199A2 (fr) 2011-03-23

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