EP3431888A1 - Procédé de mise en uvre d'un équilibre hydraulique d'un système de chauffage et/ou de refroidissement - Google Patents

Procédé de mise en uvre d'un équilibre hydraulique d'un système de chauffage et/ou de refroidissement Download PDF

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Publication number
EP3431888A1
EP3431888A1 EP18181083.9A EP18181083A EP3431888A1 EP 3431888 A1 EP3431888 A1 EP 3431888A1 EP 18181083 A EP18181083 A EP 18181083A EP 3431888 A1 EP3431888 A1 EP 3431888A1
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EP
European Patent Office
Prior art keywords
heating
cooling
cooling circuit
flow rate
minimum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18181083.9A
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German (de)
English (en)
Other versions
EP3431888B1 (fr
Inventor
Willi Pommer
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.)
Rehau Automotive SE and Co KG
Original Assignee
Rehau AG and Co
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Publication date
Application filed by Rehau AG and Co filed Critical Rehau AG and Co
Publication of EP3431888A1 publication Critical patent/EP3431888A1/fr
Application granted granted Critical
Publication of EP3431888B1 publication Critical patent/EP3431888B1/fr
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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
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • 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
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/02—Fluid distribution means
    • F24D2220/0264—Hydraulic balancing valves

Definitions

  • the invention relates to a method for carrying out a hydraulic balancing of a heating and / or cooling system operated by means of a tempering medium for e.g. a building, in particular a surface heating and / or cooling system.
  • the energy-efficient operation of a water-driven heating system which meets the needs of comfort, requires - in addition to the demand-oriented temperature of the heating medium - measures to create defined hydraulic conditions in the system and the use of a room temperature control system.
  • Hydraulic balancing in surface heating or cooling systems is a step in the process of professional commissioning of the system.
  • the purpose of the hydraulic balancing is to ensure that each circuit of the system is supplied with the quantities of heating medium determined in the design planning, thus creating the prerequisite for the downstream room temperature control system to operate optimally.
  • thermoelectric 2-point actuators which actuate a valve on the heating circuit manifold. These drives occupy 2 positions: fully open or fully closed.
  • drives are used which are either driven into a defined position via a control signal or by controlled activation of the electric motor (continuous drive) in order to influence the flow through the heating circuit.
  • this procedure also brings improvements in terms of comfort and energy consumption even in systems where the hydraulic balancing was not performed properly or have been in the execution of the system changes that differ from the original planning improvements.
  • WO 2008/055498 A1 a heating / cooling system is described in which the thermostatic control of the return temperature, a hydraulic balancing between different heating circuits is to be effected.
  • DE 10 2004 017 593 B3 a heating / cooling system is described in which a sensor is provided in each circuit to be adjusted via a valve, which acts as an input to a controller. The controller determines the correct position of the valves so that the hydraulic adjustment is ensured.
  • DE 10 2004 017 593 B3 does not describe the necessary procedure, but only the basic structure of the system.
  • EP 2 894 408 A1 or. DE 10 2012 015 892 A1 describes a method for controlling the temperature of rooms of a building, in which the valve drives of the heating circuit manifolds (in 3-point design, with self-locking gear) are each brought by a sequential control via a controller in a defined position.
  • drives that can take any stroke.
  • these are motorized 3-point drives or drives that can be moved to a specific position via a continuous control signal.
  • Deficiencies in the hydraulic tuning of a system can express itself for the user in a considerable loss of comfort.
  • the temperature of the heating medium is often increased so much that although possibly underserved rooms are better supplied, but thereby over-supply of other rooms and thus an increased room temperature and consequently set an increased energy consumption.
  • the object of the invention is to provide a method for the hydraulic balancing of a heating and / or cooling system, which can be carried out reliably, even during normal operation of the heating and / or cooling system.
  • an error message is output and the method is aborted if at least the valve of one of the other heating and / or cooling circuits not to be examined is closed so far during the execution of step h) reaches or falls below the minimum opening degree according to its initial value or its already newly determined minimum opening degree.
  • the method according to the invention can advantageously be used in regular or normal operation of the heating and / or cooling system, by recognizing in normal operation of the heating and / or cooling system by analyzing the room temperature profiles, if individual rooms with too little tempering and other rooms be supplied with too much tempering medium, in which case in a first step, the minimum opening degrees of the valves that control the heating and / or cooling circuits for the rooms with too low supply by the temperature control medium, and in a second step, the maximum opening degrees the valves that control the heating and / or cooling circuits for the rooms with too high a supply by the tempering medium can be reduced.
  • the procedure according to the invention described below can be used in installations in which the hydraulic balancing can be achieved by using the method 1 (throttling the Flow of circuits), as well as in installations where no other flow control actuators are present except for the valves used for room temperature control, which determine the flow of the heating circuits.
  • the method is based on the basic procedure of iteratively determining the minimum required opening degree at maximum load of all other circuits as well as the maximum permissible opening degree of each circle at which all other circuits can still be supplied. Once these results have been found, they are corrected and optimized by the requirements of the individual circuits in normal operation.
  • valve actuators open degree
  • Aopen a minimum value (valve closed), referred to as "actuated”
  • actuated a maximum value
  • the value A min (n) is corrected upwards, depending on the calculated surcharges, but not above the value A max (n).
  • Step 3) is going through only once.
  • the method can also be used in systems with radiators, which are controlled by electrically operated drives.
  • the optimum flow value is set for each heating circuit by means of recurring optimization steps.
  • This identified condition is not fixed, but is constantly adapting to changes in conditions that may be caused by user behavior or parameter changes that affect the operation of the equipment. These continuous optimizations lead to an improvement in the user-perceived comfort as well as to a reduction of unnecessary energy consumption.

Landscapes

  • 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)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Air Conditioning Control Device (AREA)
EP18181083.9A 2017-07-10 2018-07-02 Procédé de mise en uvre d'un équilibre hydraulique d'un système de chauffage et/ou de refroidissement Active EP3431888B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017115376.4A DE102017115376A1 (de) 2017-07-10 2017-07-10 Verfahren zur Durchführung eines hydraulischen Abgleichs eines Heizungs- und/oder Kühlungssystems wie z. B. ein Gebäude

Publications (2)

Publication Number Publication Date
EP3431888A1 true EP3431888A1 (fr) 2019-01-23
EP3431888B1 EP3431888B1 (fr) 2021-05-26

Family

ID=62841922

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18181083.9A Active EP3431888B1 (fr) 2017-07-10 2018-07-02 Procédé de mise en uvre d'un équilibre hydraulique d'un système de chauffage et/ou de refroidissement

Country Status (2)

Country Link
EP (1) EP3431888B1 (fr)
DE (1) DE102017115376A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021013398A1 (fr) * 2019-07-25 2021-01-28 Straub Kg Dispositif de réglage et procédé pour déterminer une valeur-seuil hydraulique d'une vanne
RU2778661C1 (ru) * 2019-07-25 2022-08-22 Штрауб Кг Регулировочное устройство и способ определения гидравлического порогового значения клапана

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004017593B3 (de) * 2004-04-07 2005-11-03 Albert Bauer Kühl- und/oder Heizvorrichtung
DE102008049619A1 (de) * 2008-09-30 2010-04-01 Simplex Armaturen + Fittings Gmbh Gebäudeheizsystem
DE102008039525A1 (de) * 2008-08-23 2010-04-15 Honeywell Technologies Sarl System zum Kühlen oder Heizen und Anordnung zum hydraulischen Abgleichen eines wasser- oder dampfführenden System zum Kühlen oder Heizen
US20140150883A1 (en) * 2011-06-30 2014-06-05 Belimo Holding Ag Method and devices for equalizing a group of consumers in a fluid transport system
DE102014202738A1 (de) * 2014-02-14 2015-08-20 Robert Bosch Gmbh Verfahren zum automatisierten hydraulischen Abgleich einer Heinzungsanlage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006052124A1 (de) 2006-11-06 2008-05-15 Danfoss A/S Abgleichsystem für eine Fußbodentemperierungs-Anordnung
DE102010022763A1 (de) * 2010-06-05 2011-12-08 Oventrop Gmbh & Co. Kg Verfahren zum automatischen hydraulischen Abgleich in fluidführenden Anlagen
DE102012002941B4 (de) * 2012-02-16 2015-02-05 Huu-Thoi Le Verfahren zum Betrieb einer Heizungs- oder Kühlanlage sowie Heizungs- und Kühlanlage
DE102012015892A1 (de) 2012-08-10 2014-02-13 Möhlenhoff GmbH Verfahren zum Temperieren von Räumen eines Gebäudes
DK2894408T3 (en) 2014-01-14 2021-09-27 Moehlenhoff Gmbh Method for controlling the temperature in the rooms of a building

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004017593B3 (de) * 2004-04-07 2005-11-03 Albert Bauer Kühl- und/oder Heizvorrichtung
DE102008039525A1 (de) * 2008-08-23 2010-04-15 Honeywell Technologies Sarl System zum Kühlen oder Heizen und Anordnung zum hydraulischen Abgleichen eines wasser- oder dampfführenden System zum Kühlen oder Heizen
DE102008049619A1 (de) * 2008-09-30 2010-04-01 Simplex Armaturen + Fittings Gmbh Gebäudeheizsystem
US20140150883A1 (en) * 2011-06-30 2014-06-05 Belimo Holding Ag Method and devices for equalizing a group of consumers in a fluid transport system
DE102014202738A1 (de) * 2014-02-14 2015-08-20 Robert Bosch Gmbh Verfahren zum automatisierten hydraulischen Abgleich einer Heinzungsanlage

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021013398A1 (fr) * 2019-07-25 2021-01-28 Straub Kg Dispositif de réglage et procédé pour déterminer une valeur-seuil hydraulique d'une vanne
CN114207548A (zh) * 2019-07-25 2022-03-18 施特劳勃合资公司 用于确定阀的液压阈值的调节装置和方法
KR20220035972A (ko) * 2019-07-25 2022-03-22 슈트라우브 카게 밸브의 유압 임계 값을 결정하기 위한 조정 장치 및 방법
RU2778661C1 (ru) * 2019-07-25 2022-08-22 Штрауб Кг Регулировочное устройство и способ определения гидравлического порогового значения клапана
CN114207548B (zh) * 2019-07-25 2023-05-16 施特劳勃合资公司 用于确定阀的液压阈值的调节装置和方法

Also Published As

Publication number Publication date
EP3431888B1 (fr) 2021-05-26
DE102017115376A1 (de) 2019-01-10

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