EP3814687A1 - Procédé pour faire fonctionner un système de circulation d'eau - Google Patents

Procédé pour faire fonctionner un système de circulation d'eau

Info

Publication number
EP3814687A1
EP3814687A1 EP18739755.9A EP18739755A EP3814687A1 EP 3814687 A1 EP3814687 A1 EP 3814687A1 EP 18739755 A EP18739755 A EP 18739755A EP 3814687 A1 EP3814687 A1 EP 3814687A1
Authority
EP
European Patent Office
Prior art keywords
temperature
valve
water
circulation system
line
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.)
Withdrawn
Application number
EP18739755.9A
Other languages
German (de)
English (en)
Inventor
Roland Obrist
Thomas Knupfer
Daniel Knupfer
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.)
Oblamatik AG
Original Assignee
Oblamatik AG
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 Oblamatik AG filed Critical Oblamatik AG
Publication of EP3814687A1 publication Critical patent/EP3814687A1/fr
Withdrawn legal-status Critical Current

Links

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
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/04—Domestic or like local pipe systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00—Other cooling or freezing apparatus
    • F25D31/002—Liquid coolers, e.g. beverage cooler

Definitions

  • Temperature must be kept in order not to favor the growth of germs.
  • the growth of germs such as Pseudomonas aeruginosa or Legionella, is particularly favored in a temperature range of 20 to 50 ° C.
  • the water temperature should not be kept in this range.
  • the hot water temperature is usually kept at 55 ° C. Since the hot water pipes are not perfectly insulated, heat is continuously released from the pipes to the cooler environment; usually 8 to 10 watts per meter. The greater the temperature difference between the hot water and the environment, the greater the heat loss of the pipes.
  • An object of the present invention is to provide a method for operating a drinking or
  • the process is also intended to enable automatic hydraulic balancing of the strands of the drinking or process water system.
  • At least one flow line comprising: at least one flow line, at least one return line, at least one line which connects the flow line to the return line, at least one temperature control unit which connects the flow line to the return line, thereby causing water in a flow direction from the at least one flow line, via the at least one line, the at least one return line and the temperature control unit can circulate back to the flow line, at least one consumer, which is arranged along the at least one line and with which water is available from the circulation system, at least one valve with which the flow rate of the water in the circulation system can be changed,
  • At least one control unit with which the data of the temperature sensors can be processed and with which the at least one valve can be actuated;
  • a consumer can be any type of water tapping point, for example a sink, a shower, a bath tub or the like.
  • a valve can be any type of valve which can be opened and closed with an actuator, the actuator being controllable by the control unit.
  • a temperature sensor can be any type of temperature sensor with which the water temperature can be reliably measured in a range from 5 to 60 ° C.
  • the temperature sensor can be in direct contact with the water to be measured or it can be separated from the water, i.e. it can be arranged on the outside of the corresponding line.
  • the control unit can be any type of control unit which enables temperatures to be determined, the temperatures detected by the temperature sensor with the
  • the specified temperatures and with which the valve can be controlled based on the comparison i.e. can be at least partially opened or closed.
  • a first temperature can be used as the first temperature, for example
  • Temperature a second allowable temperature In a hot water system, the first temperature can be a lower allowable temperature and the second temperature can be an upper allowable temperature.
  • the upper temperature can be 56 ° C and the lower temperature 55 ° C.
  • the first temperature can be an upper permissible temperature and the second temperature can be a lower permissible temperature.
  • the upper temperature can be 16 ° C and the lower temperature 15 ° C.
  • the method comprises
  • a temperature profile can be any suitable temperature profile. For example, a temperature profile can be any suitable temperature profile.
  • washing hands taking a shower or taking a bath.
  • a small amount of water is used for a short time.
  • Taking a shower uses more water over a longer period of time and taking a bath takes a lot of water over a long period of time. If water is removed from a consumer, water flows from the supply line and from the return line into the Direction of this consumer. Ie the water at the
  • the temperature sensor arranged in the line flows backwards, i.e. against the flow direction. Since the backward flowing water has been in the pipe for a long time and is cooler due to the constant loss of heat, a decrease in the temperature during consumption can be determined on the temperature sensor. However, the assignment can only be made when the valve is at least partially open, since only then can the water in the corresponding line flow against the general flow direction.
  • the trigger threshold can be used as a temperature value or as
  • the trigger threshold can also be the set temperature. There can be several different ones
  • the method comprises
  • the time windows can be set in the periods in between.
  • the method comprises
  • Water temperature is above the value of the first temperature
  • Water temperature is below the value of the first temperature. With these procedural steps, the duration can be adapted to the currently prevailing conditions.
  • the environment of the system is warmer, for example, during the day or in summer than at night or in winter.
  • Temperature sensor arranged in the immediate vicinity of the at least one valve.
  • it can be arranged before, immediately before, after or immediately after the valve.
  • Temperature sensor arranged in at least one valve, i.e. the temperature sensor is integrated in the valve.
  • the water circulation system comprises a temperature sensor on the flow line, in the area of the temperature control unit, with which the flow temperature can be detected.
  • the water circulation system comprises a temperature sensor in the area of the temperature control unit, with which the return temperature can be determined.
  • the temperature difference between the strand temperature and the return temperature can be determined
  • Heat absorption can be determined.
  • the water circulation system comprises two or more lines, each with at least one consumer, at least one valve and at least one temperature sensor, each of the lines comprising its own control unit.
  • the valves are all
  • Control unit include. With a common control unit, for example, rocking effects
  • the water circulation system comprises a pump, a non-return valve and a filter.
  • the pump provides the necessary pressure increase to be able to circulate the water in the system.
  • Temperature control unit a heating unit or a cooling unit.
  • the water circulation system comprises at least one hot water circulation system with a heating unit and one
  • Fig. 2 is a schematic representation of a
  • Filter 9 is provided in the supply line, which can clean the tap water from the public connection.
  • a check valve 8 is provided between the filter 9 and the public connection, which prevents water from being fed back from the temperature control unit 4 to the public connection.
  • FIG. 3 shows a schematic illustration of a further temperature profile in a line 3 of the water circulation system in FIG. 1
  • valve 6 In the first section, temperature profile, valve 6 is at least partially open, as a result of which the temperature Ts measured in the line rises. If the predetermined second temperature T 2 is reached, the valve 6
  • the valve is kept closed for a first time period ZDi, as a result of which the measured strand temperature Ts decreases over time. After the first period of time ZDi has elapsed, the valve becomes again opened and the water temperature of the strand is determined. If the determined temperature is higher than the predetermined first temperature Ti, the second time period ZD 2 following the first time period ZDi is extended. This is repeated until the length of time is such that when the valve is opened the
  • Line temperature corresponds to the first temperature.
  • the next time period is shortened.
  • FIG. 4 shows a schematic representation of a temperature profile in a strand of the system of FIG. 1 during specific consumptions Vi, V 2 , V 3 . If the strand temperature Ts changes only slightly during a short interval Ii, this can be assigned to a hand washing Vi. A larger temperature change over a longer interval I 2 can be assigned to a shower V 2 and a large change in the line temperature over a long interval I 3 ; can be assigned to the admission of a bath V 3 . In a further alternative, the time at which the measured temperature in a hot water system falls below a predetermined temperature or in a cold water system is taken into account
  • Such a trigger or trigger threshold can be set in such a way that, for example, minor temperature fluctuations are ignored and the time for the temperature drop is only taken into account when the trigger threshold is exceeded.
  • the trigger threshold can be 0.1 ° C, 0.2 ° C, 0.4 ° C, 0.5 ° C, 1 ° C, 1.5 ° C, 2 ° C, 2.5 ° C, 3 ° C or more be.
  • the trigger threshold can also be used for the detection of a specific consumption can be used.
  • the time is measured during which the trigger threshold is exceeded. Very short times, ie times of less than 5 seconds, can be ignored. With a time of 5 to 15 seconds can be on it
  • Recording of the temperature profile can be designed in such a way that it only takes place when the measured
  • Temperature in the line exceeds the trigger threshold ie the deviation from the set temperature exceeds a certain value.
  • the time during which the trigger threshold is exceeded can be measured in order to determine a specific consumption Vi, V 2 , V3.
  • the time interval during which the trigger threshold is exceeded can therefore be used for the detection of the specific consumption.
  • a very short interval can be ignored.
  • a short interval indicates hand washing, a longer interval a shower and a long interval a bath.
  • Several trigger thresholds can also be defined in order not to base the determination solely on the time, ie on the length of the intervals. In this way it can be determined during which time, which trigger threshold is exceeded. If only the first trigger threshold is exceeded, this indicates
  • the first trigger threshold will be one exceeded the first interval and a second trigger threshold during a second interval, the first trigger threshold being smaller than the second and the first interval being longer than the second, this indicates a shower. Any number of trigger thresholds and intervals can be combined with one another and compared with one another for evaluation.
  • the preset strand temperature can also be used as the trigger threshold.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

L'invention concerne un procédé permettant de faire fonctionner un système de circulation d'eau qui comprend les étapes suivantes : disposer d'un système de circulation d'eau comportant au moins une vanne (6) et au moins un capteur de température (60, 61, 62); déterminer une première température (T1) et une seconde température (T2); déterminer une durée (ZD); détecter la température de l'eau au moyen dudit au moins un capteur de température (60, 61, 62); détecter le temps d'ouverture au cours duquel ladite au moins une vanne (2) est ouverte au moins en partie; ouvrir au moins en partie ladite au moins une vanne (6), lorsque la température détectée de l'eau atteint la valeur de la première température (T1) ou lorsque le temps d'ouverture atteint la durée (ZD); fermer entièrement ladite au moins une vanne (6), lorsque la température de l'eau détectée atteint la valeur de la seconde température (T2).
EP18739755.9A 2018-06-26 2018-06-26 Procédé pour faire fonctionner un système de circulation d'eau Withdrawn EP3814687A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2018/067082 WO2020001745A1 (fr) 2018-06-26 2018-06-26 Procédé pour faire fonctionner un système de circulation d'eau

Publications (1)

Publication Number Publication Date
EP3814687A1 true EP3814687A1 (fr) 2021-05-05

Family

ID=62874854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18739755.9A Withdrawn EP3814687A1 (fr) 2018-06-26 2018-06-26 Procédé pour faire fonctionner un système de circulation d'eau

Country Status (4)

Country Link
US (1) US20210270472A1 (fr)
EP (1) EP3814687A1 (fr)
CN (1) CN112236624A (fr)
WO (1) WO2020001745A1 (fr)

Family Cites Families (21)

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DE19818630C2 (de) * 1997-04-29 2003-08-21 Werner Rumold Zur Dekontamination aufheizbares Warmwassersystem sowie Verfahren zum Aufheizen und Abkühlen des Warmwassersystems
KR100284840B1 (ko) * 1998-07-28 2001-04-02 진옥상 난방제어시스템 및 보일러
DE102006054729B3 (de) * 2006-11-19 2007-10-18 Clauß, Ulrich, Dr.-Ing. Zirkulations-Automat
FR2936042A1 (fr) * 2008-09-17 2010-03-19 Heliopac Procede et installation pour la distribution d'eau chaude sanitaire
RU2498757C2 (ru) * 2010-02-22 2013-11-20 Санг Пил ЧОИ Диспенсер для горячей и холодной воды
DE102011010840B4 (de) * 2011-02-10 2019-08-14 Oventrop Gmbh & Co. Kg Trink- oder Brauchwassersystem
US9285127B2 (en) * 2013-03-18 2016-03-15 Christopher V. Beckman Water and heat waste reduction techniques
EP2942571B1 (fr) * 2014-05-07 2017-09-13 Franco Pesavento Système d'économie d'eau et d'énergie pour l'alimentation en eau chaude
CN104075373B (zh) * 2014-06-30 2016-06-22 广州迪森家用锅炉制造有限公司 基于分室控温地板采暖的壁挂炉恒温控制方法及系统
US10295197B2 (en) * 2014-06-30 2019-05-21 Spencer Kim Haws Hot water energy conservation
KR101675740B1 (ko) * 2015-03-02 2016-11-14 주식회사 경동나비엔 분리 난방이 가능한 온수매트의 제어방법
CN205102377U (zh) * 2015-10-21 2016-03-23 芜湖美的厨卫电器制造有限公司 燃电热水系统
CN105371342B (zh) * 2015-11-13 2018-06-08 西安建筑科技大学 一种太阳能地面-炕面组合采暖系统
DE102016103833A1 (de) * 2016-03-03 2017-09-07 Uponor Innovation Ab System und Verfahren zum Spülen einer Trinkwasserinstallation
DE102016106817A1 (de) * 2016-04-13 2017-10-19 ARKO Energiebau GmbH Verfahren und Anlage zur Steuerung des Betriebes und der thermischen Desinfektion von Warmwasser-Zirkulationsanlagen
US10323859B2 (en) * 2016-10-27 2019-06-18 King Fahd University Of Petroleum And Minerals Water mixing system for thermoregulating water
JP7398791B2 (ja) * 2017-06-06 2023-12-15 オームアイキュー，インコーポレイテッド 再循環流体加熱システム
CN107062385B (zh) * 2017-06-21 2019-03-12 珠海格力电器股份有限公司 地暖控制方法、装置和系统
US11053149B2 (en) * 2018-04-30 2021-07-06 Seccua Holding AG Water hygiene improving method
DE102019201263A1 (de) * 2019-01-31 2020-08-06 Gebrüder Kemper Gmbh + Co. Kg Metallwerke Trink- und Brauchwassersystem und Verfahren zum Spülen desselben
DE202019001121U1 (de) * 2019-03-08 2019-04-11 Gebr. Kemper Gmbh + Co. Kg Metallwerke Trinkwasserzirkulationsvorrichtung

Also Published As

Publication number Publication date
US20210270472A1 (en) 2021-09-02
WO2020001745A1 (fr) 2020-01-02
CN112236624A (zh) 2021-01-15

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