EP3901550B1 - Système de détection de blocage dans un échangeur de chaleur - Google Patents

Système de détection de blocage dans un échangeur de chaleur Download PDF

Info

Publication number
EP3901550B1
EP3901550B1 EP21165770.5A EP21165770A EP3901550B1 EP 3901550 B1 EP3901550 B1 EP 3901550B1 EP 21165770 A EP21165770 A EP 21165770A EP 3901550 B1 EP3901550 B1 EP 3901550B1
Authority
EP
European Patent Office
Prior art keywords
line
measurements
flow
mentioned
temperature
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.)
Active
Application number
EP21165770.5A
Other languages
German (de)
English (en)
Other versions
EP3901550A1 (fr
Inventor
Mustafa Pekguzelsu
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 Termoteknik Isitma ve Klima Sanayi Ticaret AS
Original Assignee
Bosch Termoteknik Isitma ve Klima Sanayi Ticaret AS
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 Termoteknik Isitma ve Klima Sanayi Ticaret AS filed Critical Bosch Termoteknik Isitma ve Klima Sanayi Ticaret AS
Publication of EP3901550A1 publication Critical patent/EP3901550A1/fr
Application granted granted Critical
Publication of EP3901550B1 publication Critical patent/EP3901550B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • 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
    • F24H1/48—Water heaters for central heating incorporating heaters for domestic water
    • F24H1/52—Water heaters for central heating incorporating heaters for domestic water incorporating heat exchangers for domestic 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
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/144—Measuring or calculating energy consumption
    • 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
    • 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
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/395—Information to users, e.g. alarms
    • 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
    • F24H15/45—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based remotely accessible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G15/00—Details
    • F28G15/003—Control arrangements
    • 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
    • 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
    • F24H15/421—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2200/00—Prediction; Simulation; Testing

Definitions

  • the invention relates to a system for detecting a blockage in the heat exchanger of a water heater, comprising a first line which is hydraulically connected to a central heating circuit and a second line which is hydraulically connected to a domestic water line; a heater cell connected to the first line for heating liquid in the first line; a first volume hydraulically connected to the first conduit and a second volume hydraulically connected to said second conduit, at least one heat transfer medium provided between said first volume and said second volume, and a heat exchanger for Heat transfer between the first line and the second line.
  • Water heaters in particular combination water heaters, are connected to a central heating circuit and to a domestic water pipe. They ensure that the liquid in the central heating circuit and the water in the house water pipe are heated.
  • the water in the central heating circuit is fed into the water heater, heated by a heating cell and returned to the central heating circuit. Heating components such as radiators in the central heating circuit ensure that the rooms are heated.
  • the water in the house water pipe is heated in that a heat transfer is carried out between the water from the central heating circuit after it has been heated and the water from the house water pipe using a heat exchanger.
  • the heat exchanger comprises a first volume through which the water from the central heating circuit flows and a second volume through which the water from the domestic water line flows. That first volume and second volume exchange heat via a heat transfer medium. In this case, heat is transferred from the water heated by a heating cell in the first volume of the central heating circuit to the water in the second volume of the domestic water pipe.
  • the present invention relates to a system for eliminating the above-mentioned disadvantages and for detecting blockages in a heat exchanger, in order to achieve new advantages in the relevant technical field.
  • An object of the invention is to provide a system that allows to detect the clogging on the central heating side of the heat exchanger.
  • a further object of the invention is to provide a system which enables clogging on the central heating side of the heat exchanger to be detected earlier than the prior art systems.
  • the feature of a possible embodiment of the invention is that the mentioned consumption measuring device is a gas measuring device.
  • the feature of a possible embodiment of the invention is that the mentioned consumption measuring device is a current measuring device.
  • the consumption measuring device is a counter that counts the cycles in which the heating cell is activated and deactivated.
  • the feature of another possible embodiment of the invention is that it comprises a user interface for presentation of the generated signal, which is controlled by the control unit.
  • the feature of another possible embodiment of the invention is that the mentioned user interface is provided on the water heater. This notifies the user of the clog and makes it easier to take precautionary measures.
  • the mentioned user interface is located remotely from the water heater and is connected either wired or wirelessly to the control unit.
  • the blockage is detected by the user from other rooms or remotely.
  • said user interface is provided on an electronic terminal and configured to communicate wirelessly with the control unit. If the terminal is a server, additional information about water heaters is obtained, which allows for the replacement of spare parts and the visit of the service technician can be planned and negative effects on the user can be reduced.
  • control unit is configured in such a way to recognize the increasing trend when it determines that the beginning and the end of a predetermined number of monitored measurements are in a first value range, which is above the beginning and end of a normal range of values and recognizing the decreasing trend when it determines that the beginning and ending of a predetermined number of monitored measurements are in a second range of values which is below the beginning and ending of a normal range of values.
  • said flow measuring device is a part of a pump intended to provide feedback on the speed of said pump in order to provide data on the volume flow of liquid in the first line.
  • the flow measurement can be carried out without the need for additional devices.
  • the flow measuring device is a flow sensor.
  • the invention relates to a system (200) for detecting clogging in the heat exchanger (150) in water heaters (100).
  • the water heater (100) includes a first line (110) hydraulically connected to a central heating circuit (310) and a second line (120), which is hydraulically connected to the house water line.
  • the liquid circulating in the central heating circuit (310) enters the first line (110), exits again after being heated and is reintroduced into the central heating circuit (310).
  • the tap water coming from a line such as the municipal water supply, enters the second line (120) and, after being heated, is introduced into the domestic water line for consumers to use via components such as faucets and the like.
  • the liquid in said first line (110) may be water or any other liquid used for heating purposes.
  • the water heater (100) contains a heating cell (130) for heating the liquid in the first line (110).
  • the mentioned heating cell (130) is due to the consumption of energy types such as electricity, gas and the like. heat off.
  • the heating cell (130) can be controlled by thermostat-like elements or a control unit (210). In other words, the cycles in which the heater cell (130) is activated and deactivated can be controlled by these components.
  • the first line (110) can also contain a pump (140) for moving the liquid.
  • the water heater (100) includes a heat exchanger (150) to allow heat transfer between the heated liquid in the first line (110) and the water in the second line (120) without mixing with each other.
  • the heat exchanger (150) may have a first volume (151) receiving the liquid in the first line (110), a second volume (152) receiving the liquid in the second line (120), and a heat transfer medium (153) included for heat transfer between the first volume (151) and the second volume (152).
  • the heat exchanger (150) may be of a type known in the art as a plate type.
  • the innovation in the system (200) according to the invention is to ensure that the blockage in the first volume (151) of the heat exchanger (150) is detected early.
  • the system (200) comprises a flow measuring device (220) for measuring the volume flow of the liquid in the first line (110).
  • the mentioned flow measuring device (220) can be a flow sensor.
  • the pump (140) can be a pump that can communicate bi-directionally.
  • the flow meter (220) is part of the pump (140). More specifically, it is a part of the pump (140) that provides feedback on the movement of the same. More specifically, it is a part of the pump (140) that provides feedback on the signal that drives it.
  • the system (200) includes a first temperature sensor (231) provided in the first line (110) to measure the temperature of the heated liquid exiting the heater cell (130).
  • the system (200) also includes a second temperature sensor (232) provided in the second line (120) to measure the temperature of the heated liquid exiting the heat exchanger (150).
  • the system (200) may include a consumption meter (240) that measures the amount of energy type consumed by the heater cell (130).
  • the mentioned consumption measuring device (240) can be a measuring element that measures the amount of gas or electricity consumed by the heater cell (130), or a counter that counts the cycles in which the heater cell is activated and deactivated.
  • the system (200) comprises a control unit (210) which comprises a processor unit (211) which takes measurements of the flow, the temperature and the type of energy consumed from the flow measuring device (220), the first temperature sensor (231), the second temperature sensor (232 ) and the consumption meter (240) receives.
  • the control unit (210) mentioned comprises a memory unit (212) which is assigned to the processor unit (211) in such a way that the processor unit (211) can read and write the data.
  • the processor unit (211) can be a microprocessor.
  • the processor unit (211) stores the measurements of flow rate, temperature and type of energy consumed in a memory unit (212) in association with their reception times.
  • the temperature of the water in the second volume (152) will rise to a lesser degree because a smaller amount of heated liquid will transfer heat to the water in the second volume (152). transmits; in other words, the temperature will remain below the expected temperature range.
  • the flow rate of the liquid in the first line (110) will decrease, since the expected amount of liquid is not in the cycle and this will increase the temperature of the liquid in the first line (110).
  • the operating frequency of the heating cell is increased since the desired temperature cannot be reached in the domestic water pipe.
  • the processor unit (211) monitors the measurements stored in the memory unit (212).
  • the processing unit (211) generates a signal about the blockage in the first volume (151) when an increasing trend in the temperature measurements received in a first time interval from the first temperature sensor (231) is detected, when a decreasing trend in the mentioned first time interval temperature measurements received from the second temperature sensor (232) is detected when a decreasing trend is detected in the flow measurements received from the flow meter (220) in the first time interval, and when an increasing trend is detected in the energy type measurements received from the consumption meter (240).
  • the processor unit (211) recognizes the increasing trend and the decreasing trend as follows, by way of example without having any restrictive effect:
  • the processor unit (211) recognizes the increasing trend when it determines that the initial values and end values of a predetermined number of monitored measurements are in a first value range, which is sequentially above the beginning and ending values of a normal range of values, recognizes the decreasing trend when it determines that the beginning and ending values of a specified number of monitored measurements are within a first range of values which is sequentially below the beginning and ending values of a normal value range.
  • the increasing trend can be detected when it is determined that the majority of consecutive measurements are increasing according to time and that they are above certain thresholds; the decreasing trend can be recognized when it is found that the majority of the consecutive measurements are decreasing and that they are below certain thresholds.
  • the increasing or decreasing trend can be detected by considering the maximum and/or minimum values observed at certain intervals.
  • the system may also include a user interface (250) associated with the processor unit (211) to ensure that said signal is sent to the user.
  • the mentioned user interface (250) can be provided on the water heater (100).
  • the user interface (250) can be arranged in a room remote from the water heater (100) and can provide wired or wireless data exchange with the processor unit (211).
  • the user interface (250) can be provided on an electronic terminal.
  • the processor unit (211) can wirelessly exchange data with the electronic terminal.
  • the electronic terminal can be a server, mobile device, computer, etc. If the terminal is a server, the water heater technical service (100) can detect the blockage in advance and obtain spare parts so that early action planning can be carried out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Computer Hardware Design (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Volume Flow (AREA)

Claims (11)

  1. Système (200) permettant d'identifier une obstruction de l'échangeur thermique (150) dans un chauffe-eau (100), comprenant un premier conduit (110) qui est raccordé hydrauliquement à un circuit de chauffage central (310), et un deuxième conduit (120) qui est raccordé hydrauliquement à une canalisation d'eau domestique (320), une cellule chauffante (130) qui est raccordée audit premier conduit (110) pour chauffer le liquide dans le premier conduit (110), un premier volume (151) qui est raccordé hydrauliquement au premier conduit (110), et un deuxième volume (152) qui est raccordé hydrauliquement audit deuxième conduit (120), au moins un moyen de transfert de chaleur (153) qui est prévu entre ledit premier volume (151) et ledit deuxième volume (152), un échangeur de chaleur (150) pour le transfert de chaleur entre le premier conduit (110) et le deuxième conduit (120), un premier capteur de température (231) pour mesurer la température du liquide dans le premier conduit (110) ; un deuxième capteur de température (232) pour mesurer la température de l'eau sortant de l'échangeur de chaleur (150) dans le deuxième conduit (120),
    caractérisé en ce qu'il comprend un moyen de mesure de débit (220) pour mesurer le débit volumétrique du liquide dans le premier conduit (110) ; un dispositif de mesure de consommation (240) pour mesurer la quantité du type d'énergie consommé qui est consommée par la cellule chauffante (130) pour le processus de chauffage ; une unité de commande (210) qui est en communication avec le premier capteur de température (231), le deuxième capteur de température (232), le moyen de mesure de débit (220) et le dispositif de mesure de consommation (240) et reçoit les mesures de la température, du débit et de la quantité du type d'énergie consommé,
    l'unité de commande (210) étant configurée de telle sorte qu'elle mémorise les mesures de température, les mesures de débit et les mesures du type d'énergie consommé reçues dans une unité de mémoire (212) en les associant aux heures de réception, et
    - en ce que les mesures de température, les mesures de débit et les mesures du type d'énergie consommé mémorisées sont surveillées,
    - en ce qu'un signal concernant une obstruction dans le premier volume (151) de l'échangeur de chaleur (150) est généré si dans un premier intervalle de temps, une tendance à l'augmentation est identifiée dans les mesures de température du premier capteur de température (231) ; si dans ce premier intervalle de temps, une tendance à la diminution est identifiée dans les mesures de température du deuxième capteur de température (232) ; si dans le premier intervalle de temps, une tendance à la diminution est identifiée dans les mesures de débit reçues du moyen de mesure de débit (220), et si dans le premier intervalle de temps, une tendance à l'augmentation est identifiée dans les mesures du type d'énergie consommé reçues du dispositif de mesure de consommation (240).
  2. Système (200) selon la revendication 1, caractérisé en ce que ledit dispositif de mesure de consommation (240) est un dispositif de mesure de gaz.
  3. Système (200) selon la revendication 1, caractérisé en ce que le dispositif de mesure de consommation (240) est un moyen de mesure de courant.
  4. Système (200) selon la revendication 1, caractérisé en ce que le dispositif de mesure de consommation (240) est un compteur qui compte les cycles pendant lesquels la cellule chauffante (130) est activée et désactivée.
  5. Système (200) selon la revendication 1, caractérisé en ce qu'il comprend une interface utilisateur (250) pour fournir le signal généré et qui est commandée par l'unité de commande (210).
  6. Système (200) selon la revendication 5, caractérisé en ce que ladite interface utilisateur (250) est prévue au niveau du chauffe-eau (100).
  7. Système (200) selon la revendication 5, caractérisé en ce que ladite interface utilisateur (250) est disposée à distance du chauffe-eau (100) et est reliée avec ou sans fil à l'unité de commande (210) .
  8. Système (200) selon la revendication 5, caractérisé en ce que ladite interface utilisateur (250) est prévue sur un terminal électronique, et est configurée de telle sorte qu'elle communique sans fil avec l'unité de commande (210).
  9. Système (200) selon la revendication 1, caractérisé en ce que l'unité de commande (210) est configurée de façon à identifier la tendance à l'augmentation si elle constate que le début et la fin d'un nombre spécifié de mesures surveillées se trouve dans une première plage de valeurs qui est au-dessus du début et de la fin d'une plage de valeurs normale, et à identifier la tendance à la diminution si elle constate que le début et la fin d'un nombre prédéfini de mesures surveillées se trouve dans une deuxième plage de valeurs qui est au-dessous du début et de la fin d'une plage de valeurs normale.
  10. Système (200) selon la revendication 1, caractérisé en ce que ledit moyen de mesure de débit (220) fait partie de ladite pompe (140) qui est prévue pour procéder à un retour concernant le nombre de tours de la pompe (140) afin de fournir des données concernant le débit volumétrique du liquide dans le premier conduit (110).
  11. Système selon la revendication 1, caractérisé en ce que le moyen de mesure de débit (220) est un capteur de débit.
EP21165770.5A 2020-04-19 2021-03-30 Système de détection de blocage dans un échangeur de chaleur Active EP3901550B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR202006174 2020-04-19

Publications (2)

Publication Number Publication Date
EP3901550A1 EP3901550A1 (fr) 2021-10-27
EP3901550B1 true EP3901550B1 (fr) 2022-11-02

Family

ID=75302233

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21165770.5A Active EP3901550B1 (fr) 2020-04-19 2021-03-30 Système de détection de blocage dans un échangeur de chaleur

Country Status (1)

Country Link
EP (1) EP3901550B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4206554A1 (fr) * 2021-12-29 2023-07-05 Bosch Termoteknik Isitma ve Klima Sanayi Ticaret Anonim Sirketi Système pour déterminer la durée de vie résiduelle d'un échangeur de chaleur de chauffe-eau
TR2021021666A2 (tr) * 2021-12-29 2022-02-21 Bosch Termoteknik Isitma ve Klima Sanayi Ticaret Anonim Sirketi Su isiticilarinin isi eşanjörünün kalan kullanim ömrünü tespi̇t etmek i̇çi̇n bi̇r si̇stem

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2406901B (en) * 2003-10-06 2007-12-27 Ec Power As Heat transfer system
JP2010261651A (ja) * 2009-05-07 2010-11-18 Noritz Corp 給湯装置
DE102009042994A1 (de) 2009-09-25 2011-03-31 Linde Aktiengesellschaft Verfahren und Vorrichtung zur sicherheitstechnischen Überwachung eines thermisch belasteten Apparates
US9921012B2 (en) * 2013-11-26 2018-03-20 Noritz Corporation Water heating apparatus
US9726400B2 (en) * 2014-07-30 2017-08-08 Rinnai Corporation Hot water supply device
JP6598003B2 (ja) * 2015-07-28 2019-10-30 株式会社ノーリツ 給湯装置

Also Published As

Publication number Publication date
EP3901550A1 (fr) 2021-10-27

Similar Documents

Publication Publication Date Title
EP3901550B1 (fr) Système de détection de blocage dans un échangeur de chaleur
DE102007014810B3 (de) Energiezähler und Verfahren zur Erfassung einer Wärme- oder Kältemenge
EP2753999A1 (fr) Procédé pour faire fonctionner et/ou surveiller une installation hvac
EP2293027B1 (fr) Procédé d'estimation du danger potentiel d'une contamination microbienne à l'aide d'un débitmètre
EP2080461A1 (fr) Dispositif et procédé de détermination d'un état d'entartrage dans un appareil ménager électrique
EP3056875B1 (fr) Debitmètre
DE102017222473A1 (de) Lasereinrichtung
EP3896360B1 (fr) Système de détection d'un blocage dans l'échangeur de chaleur
EP3220065B1 (fr) Méthode et appareil de contrôle pour augmenter le taux de performance d'un générateur de chaleur dans une installation de chauffage
DE60119551T2 (de) Fernwärmeanordnung, lokale Einheit einer Fernwärmeanordnung, Steuereinheit für die lokale Einheit und Verfahren zum Betreiben einer Fernwärmeanordnung
EP4015919A1 (fr) Système de détection d'une obstruction dans le circuit de chauffage central
EP4015977B1 (fr) Système et méthode pour éliminer les obstructions dans le chauffe-eau
DE4029196A1 (de) Verfahren zur messung der reinigungswirksamkeit von schwammgummikugeln in waermetauschern sowie verfahren und anlage zur indirekten messung des waermeuebergangs an kondensatorrohren
DE102017112505A1 (de) Verfahren zum Betreiben eines thermischen Verbrauchssystems
EP4206554A1 (fr) Système pour déterminer la durée de vie résiduelle d'un échangeur de chaleur de chauffe-eau
WO2023126244A1 (fr) Système de détermination de la durée de vie restante de l'échangeur de chaleur de chauffe-eau
WO2013087153A1 (fr) Procédé et dispositif de surveillance d'un système d'acheminement d'un fluide
DE102016100883C5 (de) Vorrichtung und Verfahren zum hydraulischen Abgleich
DE3150837C2 (de) Anordnung zum Messen der Wärmemengen einzelner, von einer gemeinsamen Wärmequelle mit einem Wärmeträger gespeister Heizgruppen
EP2392867A2 (fr) Système d'information basé sur un système de chauffage avec des pompes d'alimentation locale, et procédé d'utilisation du système d'information
EP1154205B1 (fr) Système de transport de chaleur avec installation de production de chaleur avec contrôle de débit
DE102015109957B4 (de) Durchflusswasserzähler
DE102004044106B3 (de) Heizkostenverteiler
DE19824034C2 (de) Brauchwasser-Erwärmungsanlage
DE102006000806B4 (de) Netzwerk und Verfahren zum Betrieb mehrerer elektronischer Heizkostenverteiler

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

B565 Issuance of search results under rule 164(2) epc

Effective date: 20210924

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Ref document number: 502021000227

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: F28D0009000000

Ipc: F28F0027000000

17P Request for examination filed

Effective date: 20220428

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: F24H 9/20 20060101ALI20220531BHEP

Ipc: F24H 1/52 20060101ALI20220531BHEP

Ipc: F28G 15/00 20060101ALI20220531BHEP

Ipc: F28D 9/00 20060101ALI20220531BHEP

Ipc: F28F 27/00 20060101AFI20220531BHEP

INTG Intention to grant announced

Effective date: 20220617

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: AT

Ref legal event code: REF

Ref document number: 1529031

Country of ref document: AT

Kind code of ref document: T

Effective date: 20221115

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502021000227

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20221102

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230302

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230202

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230302

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230203

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502021000227

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20230803

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20230331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230330

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230330

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221102

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240527

Year of fee payment: 4