EP0249531B1 - Verfahren und Vorrichtung zur Regelung einer Zentralheizungsanlage - Google Patents

Verfahren und Vorrichtung zur Regelung einer Zentralheizungsanlage Download PDF

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Publication number
EP0249531B1
EP0249531B1 EP87401237A EP87401237A EP0249531B1 EP 0249531 B1 EP0249531 B1 EP 0249531B1 EP 87401237 A EP87401237 A EP 87401237A EP 87401237 A EP87401237 A EP 87401237A EP 0249531 B1 EP0249531 B1 EP 0249531B1
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EP
European Patent Office
Prior art keywords
temperature
model
heating
building
network
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.)
Expired - Lifetime
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EP87401237A
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English (en)
French (fr)
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EP0249531A1 (de
Inventor
Thierry Verhaege
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Alcatel Lucent SAS
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Alcatel SA
Alcatel Alsthom Compagnie Generale dElectricite
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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

Definitions

  • the present invention relates to a process and a device for regulating central heating for an individual or collective residential building.
  • the object of the present invention is to implement a method which makes it possible to avoid the above drawbacks.
  • a boiler 1 with its burner control 2, its fluid circulator 3.
  • Reference 4 illustrates the fluid flow pipes to the elements for exchange with the building, while reference 5 illustrates the fluid return pipes to the boiler.
  • a regulator 10 is integrated into the boiler 1; it receives at input 11 information from a member 8 for measuring the temperature of the fluid, and has an output 12 for controlling the burner 2.
  • T 'i (t) being a family of exponential memories of the instantaneous charge rate ⁇ (t), based on different characteristic times A ti: from, approached by not
  • This model involves two parameters p 1 and p 2 . These can also be established by self-learning, taking advantage of the hourly programming, as will be explained below.
  • the regulator can interrupt the heating - generally for several hours - when the setpoint changes from the normal value to the reduced value; ⁇ 1 tends to zero, so that ⁇ i becomes well known, because it is close to ⁇ f.
  • the value obtained constitutes a precise reference, which can be injected into the "building" model (see below), in order to estimate with good precision what was the value of ⁇ i during the change of setpoint, and of deduce a condition from p 1 and p 2 .
  • the law f ( ⁇ i 1 , ⁇ f, ⁇ 1 ): 0 can be disturbed by local actions, such as for example limiting actions thermostatic valves.
  • the temperature of the fluid 0 f is higher at a given charge rate.
  • the application of the law f leads to an overestimation of ⁇ i, and therefore to a reduction in heating. This reduction is useful because the action of thermostatic valves means that the demand for heating is lower than the supply.
  • the regulator mainly regulates the average interior temperature of the building, with however a partial adaptation to the demand expressed by the local adjustment actions.
  • g (t) intervenes in a corrective term whose amplitude is of the order of 1 to 2 ° C. It reflects the fact that the outside temperature, the solar gain, the internal gain, are statistically higher during the day than at night. Being a corrective term, we admit on g (t) a certain degree of approximation, allowing the use of a preprogrammed function.
  • the sensitivity parameter p 3 it is possible to define the sensitivity parameter p 3 by self-learning; in fact, the interior temperature is well known thanks to the "network” model for some time (about two hours) after the heating stops due to each drop in setpoint. It then suffices to compare this temperature with the value given by the "building” model, and to correct p 3 accordingly.
  • the "building" model remains precise when the temperature of the fluid is high, provided that the reference 0 i 1 (to) is sufficiently recent. We can then limit the role of the "network” model to the detection of indoor temperature excursions linked to unpredictable changes in climatic conditions and occupancy.
  • the "building" model also makes it possible to implement a heating anticipation function, when the setpoint is reduced, in anticipation of the future transition to a normal setpoint: the temperature evolution should be estimated on the assumption of 'operation at full load, and to initiate said operation when the temperature estimated for the time of transition coincides with the normal set point.
  • the regulator continues to regularly use the self-learning functions, in order to adapt to any changes in the definition of the context.
  • Figure 2 represents a test result of a regulator according to the invention, applied to the heating of an inhabited dwelling, immediately after commissioning.
  • the interior temperature setpoint (curve T), the interior temperature estimated by the regulator (curve 0 i 3 ), the temperature of the fluid (curve ⁇ f ) has been shown;
  • the effective internal temperature 0 i and the sunshine (W / m 2 - curve S) are also given, which are not measured by the regulator.
  • the set temperature T is 20 ° C except between 11 p.m. and 6 a.m., where it is 17 ° C.
  • ⁇ i 3 is greater than the value T (17 ° C) and the regulator stops the heating.
  • the regulator implements the "building" model and controls the heating at full load so that the temperature ⁇ i 3 of 20 degrees is reached at 6 hours.
  • the "building" model provides a maximum correction g (t) around 3 p.m., hence the minimum temperature of the fluid, in accordance with the reduction in requirements, linked in particular to solar gains (curve S).
  • the regulator orders the heating to stop.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feedback Control In General (AREA)
  • Control Of Temperature (AREA)

Claims (4)

1. Verfahren zur Regelung einer Zentralheizung eines Gebäudes, in welchem mindestens einmal pro Tag der Temperatursollwert auf einen gedrosselten Wert zurückgeht, wobei im Verfahren permanent eine Temperatur des Wärmeträgerfluids gemessen und das Regelorgan der Heizung auf einen Innentemperaturwert eingestellt wird, der durch sukzessive Annäherung ausgehend von der Temperatur des Wärmeträgerfluids und den thermischen Eigenschaften des Heizungsnetzes geschätzt wird, dadurch gekennzeichnet, daß man zum Abschätzen der Innentemperatur eine Kombination aus zwei Modellen einsetzt, von denen ein "Netzmodell" während der Stillstands- oder der Drosselperioden der Heizung verwendet wird, und ein "Gebäudemodell" bei erhöhter Fluidtemperatur verwendet wird, wobei das "Netzmodell" durch die Beziehung f(θi1, θf, τ1) = 0 dargestellt wird,
- θi1 = mittlere Innentemperatur des Gebäudes gemäß dem "Netzmodell",
- 8f = Temperatur des Wärmeträgerfluids,
- τ1 = Belastungsgrad bzw. Leistungsverhältnis der Heizleistung bei maximaler Leistung, und wobei das "Gebäudemodell" durch die Beziehung
- 0i2(t) = θi1(to) + p3[τ2(t) - τ2(to)] + p4[g(t) - g(to)] dargestellt wird, mit:
- 0i2(t) = mittlere Innentemperatur zur Zeit t gemäß dem "Gebäudemodell",
- θi1(to) = mittlere Innentemperatur gemäß dem "Netzmodell", die seit einer Stunde to ab Ende der letzten längeren Heizungsstillstandsperiode gespeichert wurde,
- t2(t), τ2(to) = Exponentialspeichergröße des momentanen Belastungsgrads τ(t) des charakteristischen Zeitzuwachses Ato,
- p3 = Parameter, der die Empfindlichkeit der Temperaturdes Gebäudes in Bezug auf die Heizung definiert,
- g(t), g(to) = Stundenkorrekturfunktion der Innentemperatur, um dem vorhersehbaren Anteil der Stundenfluktuationen der klimatischen Bedingungen und der Bewohner Rechnung zu tragen,
- p4 = Parameter, der die Amplitude der zu bewirkenden Stundenkorrekturen für das betrachtete Gebäude definiert.
2. Regelverfahren nach Anspruch 1, dadurch gekennzeichnet, daß das "Netzmodell" durch die Beziehung τ1 = p1 (θf - θi1) + p2 (θf - θi1)2 dargestellt wird.
3. Regelverfahren nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß die verschiedenen Parameter der Modelle plausible, im Augenblick des Betriebsbeginns nicht optimale Anfangswerte besitzen, und daß sie durch Selbstlernen innerhalb von einigen Tagen optimiert werden.
4. Einrichtung zur Durchführung des Verfahrens nach einem der vorhergehenden Ansprüche, mit einem Regler (10), der in den Heizkessel (1) der Zentralheizung eingebaut ist, dessen Eingang (11) an ein einziges Organ (8) zur Temperaturmessung des Fluids angeschlossen ist und dessen Ausgang (12) mit der Steuerung des Brenners (2) des Heizkessels oder mit einer Steuerung eines Drei- oder Vierwegeventils verbunden ist, und mit Mitteln zur jederzeitigen Abschätzung der Innentemperatur, dadurch gekennzeichnet, daß die Innentemperatur gemäß einer Kombination von zwei, in den Ansprüchen 1 und 2 genannten Modellen, einem "Netz-und einem "Gebäudemodell" geschätzt wird.
EP87401237A 1986-06-06 1987-06-03 Verfahren und Vorrichtung zur Regelung einer Zentralheizungsanlage Expired - Lifetime EP0249531B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8608178A FR2599823B1 (fr) 1986-06-06 1986-06-06 Procede et dispositif de regulation d'un chauffage central
FR8608178 1986-06-06

Publications (2)

Publication Number Publication Date
EP0249531A1 EP0249531A1 (de) 1987-12-16
EP0249531B1 true EP0249531B1 (de) 1992-01-15

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EP87401237A Expired - Lifetime EP0249531B1 (de) 1986-06-06 1987-06-03 Verfahren und Vorrichtung zur Regelung einer Zentralheizungsanlage

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EP (1) EP0249531B1 (de)
DE (1) DE3775998D1 (de)
FR (1) FR2599823B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3838005A1 (de) * 1988-11-09 1990-05-10 Danfoss As Verfahren zum einstellen des mittelwerts der vorlauftemperatur eines heizmediums und schaltungsanordnung zur durchfuehrung des verfahrens
FR2755262B1 (fr) * 1996-10-31 2002-10-25 Gaz De France Procede de programmation du chauffage intermittent d'un batiment et programmateur pour la mise en oeuvre de ce procede
FR3001068B1 (fr) * 2013-01-16 2024-04-26 Probayes Procede et systeme de regulation thermique dans un batiment
CN104656694B (zh) * 2014-12-18 2016-11-02 河北农业大学 基于温度积分算法的温室温度调控方法
CN114484584B (zh) * 2022-01-20 2022-11-11 国电投峰和新能源科技(河北)有限公司 一种基于离线强化学习的供热控制方法及系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2542852B1 (fr) * 1983-03-14 1988-10-14 Comp Generale Electricite Dispositif de regulation du chauffage ou de la climatisation d'une enceine habitee, et procede de mise en oeuvre de ce dispositif

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FR2599823A1 (fr) 1987-12-11
DE3775998D1 (de) 1992-02-27
FR2599823B1 (fr) 1993-11-19
EP0249531A1 (de) 1987-12-16

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