EP0957319B1 - Procédé d'opération d'un système de chauffage ou de réfrigération à circuit fermé et un système de chauffage ou de réfrigération à circuit fermé - Google Patents

Procédé d'opération d'un système de chauffage ou de réfrigération à circuit fermé et un système de chauffage ou de réfrigération à circuit fermé Download PDF

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Publication number
EP0957319B1
EP0957319B1 EP99109437A EP99109437A EP0957319B1 EP 0957319 B1 EP0957319 B1 EP 0957319B1 EP 99109437 A EP99109437 A EP 99109437A EP 99109437 A EP99109437 A EP 99109437A EP 0957319 B1 EP0957319 B1 EP 0957319B1
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EP
European Patent Office
Prior art keywords
circuit
flow
return
mixing
direct heating
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Expired - Lifetime
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EP99109437A
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German (de)
English (en)
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EP0957319A3 (fr
EP0957319A2 (fr
Inventor
Hans-Georg Baunach
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Individual
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Priority to SI9930555T priority Critical patent/SI0957319T1/xx
Publication of EP0957319A2 publication Critical patent/EP0957319A2/fr
Publication of EP0957319A3 publication Critical patent/EP0957319A3/fr
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    • 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
    • F24D19/1024—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves a multiple way valve
    • F24D19/1033—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves a multiple way valve motor operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units

Definitions

  • the invention relates to a method for operating a circulation liquid heating or cooling with a flow and a return line having on the heat / cold generator directly connected direct heating circuit and one with the flow and the Return line ofticiannikes connected in parallel, by admixing its return regulated mixer circuit and suitable for its implementation circulation fluid heating or cooling.
  • a circulation water heating system with a heat generator two different supply tempered heating circuits, so usually the boiler slid according to the need of higher driven to tempering circuit (direct heating), while the lower tempered Circuit is coupled by a mixing valve to the direct heating circuit (mixer circuit).
  • the direct heating circuit common is the combination of radiators and underfloor heating in buildings, with one Heat generators are equipped. Usually then the radiators are sliding on operated direct heating circuit and the floor heating at the mixer circuit. Of the Mixer circuit is fed from the supply water ofticianspoes.
  • Such a circulation water heating system is known from DE 35 39 327 A1, which is a A method for controlling a circulating water heater of a central heating system disclosed in the higher of the two flow temperature setpoints of the direct heating circuit and mixer circuit serves as a reference variable for the circulating water heater.
  • the solution has the further disadvantage that the efficiency of the thermal process as a whole is unsatisfactory. It is known that the lower the efficiency, the higher the efficiency Temperature of the return can be maintained at a given flow temperature. Analogous applies to refrigerators that the return temperature for a given flow temperature as possible should be high.
  • the object of the invention is therefore to provide a method of the type mentioned and one specify its implementation suitable circulating fluid heating or cooling, with which the temperature of the return in the direct heating circuit at a given boiler flow temperature and given circulating currents as far as possible lowered or kept as high as possible.
  • the method is preferably carried out so that the mixer circuit at low load fed exclusively by the return of the Miniurban Republices and exclusively by Admixed his return and under heavy load from the flow of the heat / cold generator and the return of the Schwarzieri Vietnamesees fed and exclusively by Mixing these heat / cooling flows is regulated, with idling being considered an extreme case of Low load operation and full load as an extreme case of the heavy load operation are to be construed at where the mixing of the direct heating circuit return to zero is regulated.
  • the conventional method for coupling a mixer circuit to a direct heating circuit is improved with the method according to the invention that, as a rule, a reduction the return temperature of the Trimell Vietnamesees is effected (in refrigeration systems, an increase in the Return temperature), which leads to an increase in efficiency - especially at Condensing boilers - leads.
  • This is achieved by maintaining sufficient temperature in the Mixer circuit first fed return water from the Schwarzieri Vietnamese in the mixer circuit is used and only at higher temperature demand on supply water or analogous to refrigeration systems with lower temperature requirements. It can be one each suitable fluid can be used.
  • a circulating liquid heating or cooling suitable for carrying out the process is According to the invention constructed so that the mixer circuit on the input side via a second controllable Three-way mixing valve with the flow line and the return line of the direct heating circuit connected is.
  • the three-way mixing valves are expediently equipped with limit switches Servomotors actuated.
  • the servomotors are advantageously mutually locked by limit switch so that only after Opening the first three-way mixing valve driven by a first servomotor Opening the driven by a second servomotor second three-way mixing valve and closing the first three-way mixing valve after closing the second three-way mixing valve is possible.
  • the first three-way mixing valve in the return from the Mixer circuit branching line a check valve and / or the second three-way mixing valve in the branching off from the inlet of the direct heating circuit line and / or in the branched off from the return of the Schwarzusually Vietnamesees line a check valve upstream and / or in the return of the Schwarzieri Vietnamesees between the terminal of the Flow and the return line of the mixer circuit a throttle valve may be arranged.
  • the two three-way mixing valves can be functionally combined to form a four-way mixing valve with three inputs and one output and an actuator, wherein in each case only the first and the second or the second and the third input are opened simultaneously could be.
  • a particularly advantageous industrially prefabricated solution results when the four-way mixing valve Pipe connections for the supply and return of the direct heating circuit, pipe connections for the flow and return of the mixer circuit and the connections of boiler and Mixer circuit to a unit with a flow inlet, a flow outlet, a Return input and a return output of the direct heating circuit and a flow output and a return input of the mixer circuit summarizes.
  • In the unit can also at least one upstream of the inputs of the four-way mixing valve and / or the Advance of the direct heating circuit associated check valve and / or the return of the Direct heating circuit associated throttle valve be integrated into the unit, so that the Assembly unit directly between the boiler and the pumps for the two water or Coolant circuits can be set.
  • Fig. 1 shows the invention in a schematic diagram.
  • a pump P1 supplies the n radiators HK, which directly with the boiler flow Q1 of a heat generator WE (boiler) and the Boiler return Q4 are connected (direct heating circuit).
  • the check valve ÜV1 is as Gravity brake for the circular current Q2 formed.
  • At node K1 is a supply current Q3 of the boiler feed water for feeding into the mixer circuit of a floor heating system branched off, which is equipped with a pump P2, the circuit current Q8 in the mixer circuit drives.
  • the three-way mixing valve MV1 is described in the mode described below the Feed water of mixer circuit blended with return flow Q7 of underfloor heating, so that any intermediate temperature can be generated in the flow water of the mixer circuit can.
  • the mixing valves MV1 and MV2 are to be cascaded in the manner described below:
  • the mixer circuit is thus alone on the mixing of the return flow Q7 regulated by means of the mixing valve MV1. Increases the load request on the Limit load case, so the mixer valve MV1 remains open and the return flow Q7 is Zero.
  • the mixer core MV2 additionally opens and now partially extracts water the flow of Vietnamese Industries Vietnamese Products Inc.
  • the pump P1 in turn supplies the n radiator HK, which directly with the heat generator WE (boiler) are connected.
  • the return flow Q6 is out of the Mixer circuit equal to the supply current Q3 in the mixer circuit.
  • the manipulated variable of the control works for example, by means of a three-point signal "stop-to" on a servomotor M. The Use of other actuators is also given.
  • the specified in Fig. 3 position of the limit switch corresponds to the rest position, ie first a total circuit in an unauthorized state, since none of the servomotors M1 and M2 is in an end position.
  • a first change in the rule game already leads to that one of the allowed cases occurs, so the mixing valve MV1 completely opens and then the downstream mixing valve MV2 opens or the mixing valve MV2 completely closes and then closes the downstream mixing valve MV1.
  • the boiler flow Q1 is unchanged Circulating currents Q2 and Q8 in Fig. 1 by the amount of the supply current Q5 lower, which at fixed Flow temperatures and fixed boiler output to the desired effect of lowering the temperature in the boiler return leads.
  • the three-position control signal can be present Be used as the arrangement is equivalent to the controlled variable - Flow temperature in the mixer circuit - affects, as in the conventional coupling.
  • the mixing valve is unique in its function by the following properties characterized:
  • the residence area of a control element is in constant mobility in three points (endpoint I, midpoint, endpoint II) and two areas (area I, area II) subdivided, which analogously to the above definition as full load, heavy load, limit load, Low load and idle can be called.
  • full load there is only one connection from input 1 to output 4
  • under heavy load can slide by movement of the actuator each mixing ratio can be achieved from the inputs 1 and 2 to the output 4
  • at Limit load is only a connection from input 2 to output 4
  • at low load can by movement of the actuator sliding each mixing ratio of the inputs 2 and 3 are reached to the output 4 and at idle, there is only one connection of input 3 to the exit 4.
  • Fig. 5 shows the coupling of a circle by means of a thus described four-way mixing valve MV.
  • the hydraulic system is optional here by a throttle valve DV and two check valves ÜV2 and ÜV3 extended.
  • the throttle valve DV should be in both directions (return flow Q4 positive or negative) increase the pressure difference between the nodes K2 and K3 and can also without moving parts are designed as a baffle plate or other cross-sectional constriction.
  • the Check valves ÜV2 and ÜV3 act as backflow preventer and are said to be parasitic Exclude circular flows.
  • the arrangement can be advantageously carried out so that outlined by dashed lines in Fig. 5 Individual components to form an assembly with six pipe connections and an actuator spatially are summarized.
  • the arrangement can be as industrially prefabricated accessories be provided and reduces the on-site assembly work considerably.
  • FIG. 6 shows a variant with a wall-mounted heat generator WE1, in which the pump P1 is integrated to drive the Miniurban Republices.
  • a parasitic circuit current through the lines of the boiler flow Q1 is in Supply current Q5 provided a check valve ÜV4.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Central Heating Systems (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Control Of Heat Treatment Processes (AREA)

Claims (12)

  1. Procédé pour l'exploitation d'un dispositif de chauffage ou de refroidissement avec un circuit de chauffage direct (nHK) présentant une canalisation d'aller et une canalisation de retour et raccordé immédiatement au dispositif générateur de chaleur/froid, et un circuit de mélangeur raccordé en parallèle à la canalisation d'aller et de retour du circuit de chauffage direct (nHK), et dont la circulation retour est mélangée à sa circulation aller propre, caractérisé en ce les trois régimes suivants sont possibles :
    a) le circuit de mélangeur est alimenté par la circulation aller du dispositif générateur de chaleur/froid,
    b) le circuit de mélangeur est alimenté de manière réglable par la circulation aller du dispositif générateur de chaleur/froid et par la circulation retour du circuit de chauffage direct (nHK),
    c) le circuit de mélangeur est alimenté par la circulation retour du circuit de chauffage direct (nHK).
  2. Procédé selon la revendication 1, caractérisé en ce qu'en cas de charge faible, le circuit de mélangeur est alimenté exclusivement par la circulation retour du circuit de chauffage direct (nHK) et réglé exclusivement par mélange de sa circulation retour, et en cas de charge forte, il est alimenté par la circulation aller du dispositif générateur de chaleur/froid et par la circulation retour du circuit de chauffage direct (nHK) et réglé exclusivement par mélange de ces flux chaud/froid.
  3. Dispositif de chauffage ou de refroidissement à liquide circulant, avec un circuit de chauffage direct (nHK) présentant une canalisation d'aller et une canalisation de retour, et un circuit de mélangeur raccordé en parallèle à la canalisation d'aller et de retour du circuit de chauffage direct (nHK), et qui est équipé d'une première soupape de mélange à trois voies réglable (MV1) pour le mélange de la circulation retour du circuit de mélangeur à sa propre circulation d'aller, caractérisé en ce que, côté entrée, le circuit de mélangeur est raccordé à la canalisation d'aller et de retour du circuit de chauffage direct (nHK) par l'intermédiaire d'une seconde soupape de mélange à trois voies réglable (MV2).
  4. Dispositif de chauffage ou de refroidissement à liquide circulant selon la revendication 3, caractérisé en ce que les soupapes de mélange à trois voies (MV1, MV2) sont actionnables par des servomoteurs (M1, M2) équipés de commutateurs de fin de course.
  5. Dispositif de chauffage ou de refroidissement à liquide circulant selon la revendication 4, caractérisé en ce que les servomoteurs (M1, M2) sont verrouillés réciproquement par des commutateurs de fin de course, de façon à ce que l'ouverture de la seconde soupape de mélange à trois voies (MV2) entraínée par un second servomoteur (M2) ne soit possible qu'après l'ouverture de la première soupape de mélange à trois voies (M1) entraínée par un premier servomoteur (M1), et que la fermeture de la première soupape de mélange à trois voies (MV1) ne soit possible qu'après la fermeture de la seconde soupape de mélange à trois voies (MV2).
  6. Dispositif de chauffage ou de refroidissement à liquide circulant selon l'une des revendications 3 à 5, caractérisé en ce que la première et la seconde soupapes de mélange à trois voies sont regroupées fonctionnellement en une soupape de mélange à quatre voies (MV) avec trois entrées (1, 2, 3) et une sortie (4), ainsi qu'un organe correcteur, seules la première (1) et la deuxième (2), ou bien la deuxième (2) et la troisième (3) pouvant être ouvertes simultanément.
  7. Dispositif de chauffage ou de refroidissement à liquide circulant selon l'une des revendications 3 à 6, caractérisé en qu'une soupape de retenue (UV2) est disposée en amont de la première soupape de mélange à trois voies (MV1) dans la canalisation dérivant de la circulation retour du circuit de mélangeur.
  8. Dispositif de chauffage ou de refroidissement à liquide circulant selon l'une des revendications 3 à 7, caractérisé en ce qu'une soupape de retenue (UV3) est disposée en amont de la seconde soupape de mélange à trois voies (MV2) dans la canalisation dérivée de la circulation aller du circuit de chauffage direct.
  9. Dispositif de chauffage ou de refroidissement à liquide circulant selon l'une des revendications 3 à 8, caractérisé en ce qu'une soupape de retenue (ÜV4) est disposée en amont de la seconde soupape de mélange à trois voies (MV2) dans la canalisation dérivée de la circulation retour du circuit de chauffage direct.
  10. Dispositif de chauffage ou de refroidissement à liquide circulant selon l'une des revendications 3 à 9, caractérisé en ce qu'une soupape d'étranglement (DV) est disposée dans la circulation retour du circuit de chauffage direct (Q4) entre le raccordement de la canalisation d'aller et de la canalisation de retour du circuit de mélangeur.
  11. Dispositif de chauffage ou de refroidissement à liquide circulant selon l'une des revendications 6 à 10, caractérisé en ce que la soupape de mélange à quatre voies (MV), des raccords de tuyaux pour la circulation aller et de retour du circuit de chauffage direct, des raccords de tuyaux pour la circulation aller et de retour du circuit de mélangeur et les liaisons des circuits direct et de mélangeur sont regroupés en une unité de construction avec une entrée pour la circulation aller, une sortie pour la circulation aller, une entrée pour la circulation retour et une sortie pour la circulation retour du circuit de chauffage direct et une sortie pour la circulation aller et une entrée pour la circulation retour du mélangeur.
  12. Dispositif de chauffage ou de refroidissement à liquide circulant selon la revendication 11, caractérisé en ce qu'une soupape de retenue (ÜV1, UV2, UV3) disposée en amont des sorties de la soupape de mélange à quatre voies (MV) et/ou associée à la circulation aller du circuit de chauffage direct et/ou une soupape d'étranglement (DV) associée à la circulation retour du circuit de chauffage direct est intégrée dans l'unité de construction.
EP99109437A 1998-05-12 1999-05-11 Procédé d'opération d'un système de chauffage ou de réfrigération à circuit fermé et un système de chauffage ou de réfrigération à circuit fermé Expired - Lifetime EP0957319B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9930555T SI0957319T1 (en) 1998-05-12 1999-05-11 Method for operating a closed loop heating or cooling system and a closed loop heating or cooling system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19821256 1998-05-12
DE19821256A DE19821256C5 (de) 1998-05-12 1998-05-12 Verfahren zum Betreiben einer Umlaufflüssigkeitsheizung oder -kühlung und Umlaufflüssigkeitsheizung oder -kühlung

Publications (3)

Publication Number Publication Date
EP0957319A2 EP0957319A2 (fr) 1999-11-17
EP0957319A3 EP0957319A3 (fr) 2002-02-13
EP0957319B1 true EP0957319B1 (fr) 2004-02-25

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EP99109437A Expired - Lifetime EP0957319B1 (fr) 1998-05-12 1999-05-11 Procédé d'opération d'un système de chauffage ou de réfrigération à circuit fermé et un système de chauffage ou de réfrigération à circuit fermé

Country Status (7)

Country Link
EP (1) EP0957319B1 (fr)
AT (1) ATE260448T1 (fr)
DE (1) DE19821256C5 (fr)
DK (1) DK0957319T3 (fr)
ES (1) ES2216373T3 (fr)
PL (1) PL192376B1 (fr)
SI (1) SI0957319T1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2493499C2 (ru) * 2008-06-07 2013-09-20 Юпонор Инновейшн Аб Трубопроводная система для темперирования зданий

Families Citing this family (16)

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DE10245571B4 (de) 2002-03-26 2019-04-04 Hg Baunach Gmbh & Co Kg Mehrwegemischventilbaugruppe
EP1245880A3 (fr) 2001-03-26 2003-08-27 HG Baunach GmbH & Co KG Vanne à voies multiple et méthode pour le contrôle temporaire
DE10214242B4 (de) * 2001-03-26 2014-10-23 Hg Baunach Gmbh & Co Kg Mehrwegemischventil und Verfahren zu seiner zeitlichen Steuerung
DE10245572B4 (de) * 2002-03-26 2016-06-09 Hg Baunach Gmbh & Co Kg Heizungsanlage mit einem Mehrwegemischventil
SM200100020B (it) * 2001-10-15 2003-04-16 R D Z S P A Struttura di circuito idraulico, particolarmente per la distribuzione di acqua per riscaldamento o raffrescamento
DE502005006119D1 (de) 2004-07-06 2009-01-15 Hg Baunach Gmbh & Co Kg Mehrwegemisch- oder verteilventil
DE102006017286B4 (de) * 2006-04-12 2009-12-03 Schneider, Franz, Dipl.-Ing. (Fh) Schaltung zur Reduzierung der Rücklauftemperatur bei zwei Heizkreisen mit unterschiedlichen Temperaturniveaus
DE202006019415U1 (de) 2006-12-22 2007-04-05 Watts Industries Deutschland Gmbh Vorrichtung zum Speisen von Hoch- und Niedertemperaturverbrauchskreisen
DE102009007053A1 (de) * 2008-01-28 2009-08-06 Hg Baunach Gmbh & Co Kg Steuerung oder Regelung einer Heizungsanlage und Heizanlage
AT517246B1 (de) 2009-02-18 2024-06-15 Baunach Hans Georg Heizungs- oder kühlungsanlage und verfahren zum betrieb einer heizungs- oder kühlungsanlage
WO2010099793A2 (fr) 2009-03-03 2010-09-10 Hans-Georg Baunach Installation de chauffage ou installation de refroidissement et procédé pour faire fonctionner des installations de chauffage ou des installations de refroidissement
DE102012024583A1 (de) 2012-12-17 2014-06-18 Meibes System-Technik Gmbh Mehrkreisige Heizungs- oder Kühlanlage mit Pufferspeicher, Einrichtung zum Steuern und/oder Regeln für eine mehrkreisige Heizungs- oder Kühlanlage mit Pufferspeicher und Verfahren zum Betreiben einer mehrkreisigen Heizungs- oder Kühlanlage mit Pufferspeic
DE102012024586A1 (de) 2012-12-17 2014-06-18 Meibes System-Technik Gmbh Mehrkreisige Heizungs- oder Kühlanlage mit Mehrwegemischventil und Einrichtung zum Steuern und/oder Regeln für eine mehrkreisige Heizungs- oder Kühlanlage
DE102013005691B4 (de) 2013-04-03 2018-03-15 Franz Schneider Verfahren zur Hintereinanderschaltung von Heizkreisen mit unterschiedlichen Temperaturniveaus in einem dynamischen System
CN103528110A (zh) * 2013-10-12 2014-01-22 新疆明和节能科技有限公司 小区供热系统
DE202014011121U1 (de) * 2014-05-30 2017-12-22 Peter Gabanyi Raumtemperatur-Regelung für eine Flächenheizung

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DE3539327C2 (de) * 1984-11-16 1996-06-20 Vaillant Joh Gmbh & Co Schaltung zur Steuerung einer Zentralheizungsanlage
FR2733822B1 (fr) * 1995-05-05 1998-10-02 Financ & Comm Chablais Module de distribution pour installation de chauffage central avec plancher chauffant et radiateurs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2493499C2 (ru) * 2008-06-07 2013-09-20 Юпонор Инновейшн Аб Трубопроводная система для темперирования зданий

Also Published As

Publication number Publication date
EP0957319A3 (fr) 2002-02-13
ATE260448T1 (de) 2004-03-15
EP0957319A2 (fr) 1999-11-17
DE19821256C1 (de) 1999-09-16
DK0957319T3 (da) 2004-06-28
SI0957319T1 (en) 2004-08-31
PL192376B1 (pl) 2006-10-31
PL333089A1 (en) 1999-11-22
ES2216373T3 (es) 2004-10-16
DE19821256C5 (de) 2011-02-24

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