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WO1997039392A1 - Device for regulating a heating installation, particularly in a residential building - Google Patents

Device for regulating a heating installation, particularly in a residential building Download PDF

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Publication number
WO1997039392A1
WO1997039392A1 PCT/AT1997/000071 AT9700071W WO9739392A1 WO 1997039392 A1 WO1997039392 A1 WO 1997039392A1 AT 9700071 W AT9700071 W AT 9700071W WO 9739392 A1 WO9739392 A1 WO 9739392A1
Authority
WO
WIPO (PCT)
Prior art keywords
screen
heating
setpoint
heating controller
input
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.)
Ceased
Application number
PCT/AT1997/000071
Other languages
German (de)
French (fr)
Inventor
Erwin Hanazeder
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE19780316T priority Critical patent/DE19780316D2/en
Priority to AU24982/97A priority patent/AU2498297A/en
Priority to EP97916260A priority patent/EP0894297A1/en
Publication of WO1997039392A1 publication Critical patent/WO1997039392A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1902—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value
    • G05D23/1904—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value variable in time
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1919—Control of temperature characterised by the use of electric means characterised by the type of controller
    • G05D23/1924—Control of temperature characterised by the use of electric means characterised by the type of controller using thermal energy, the availability of which is aleatory
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
    • G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
    • G05D23/1932—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of a plurality of spaces
    • G05D23/1934—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of a plurality of spaces each space being provided with one sensor acting on one or more control means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/23—Pc programming
    • G05B2219/23197—Curve entered with pen on touchscreen
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/23—Pc programming
    • G05B2219/23377—Touch screen, with representation of buttons, machine on screen

Definitions

  • the invention relates to a device for controlling a heater, in particular for a house with a heating controller, with an input device for temperature setpoints related to a measured variable, preferably time and / or outside temperature, and with a setpoint memory connected to the input device for the measurement-dependent setpoint input to the heating controller
  • heating controllers are used which compare the measured actual values of the temperature values relevant for the respective temperature control, for example the outside temperature, the inside temperature, the flow temperature and the like, with the specified setpoints and at Provide a corresponding setpoint / actual value difference for a control intervention to compensate for this setpoint / actual value difference.
  • the setpoint temperatures which are usually related to a daily or weekly schedule, are generally specified for residential heating systems using a keypad, which is used to set the setpoint temperatures valid for selected times of the day for each day of the week In a predetermined sequence, it must be read into and saved in a setpoint memory assigned to the heating controller, which requires relevant specialist knowledge.
  • the invention is therefore based on the object of designing a device of the type described at the outset in such a way that simple setpoint input is also possible for laypersons
  • the analog image input on the screen could be carried out, for example, with the aid of a mouse connected to a computer.
  • the screen is made up of liquid stones covered by a pressure-sensitive film, because in this case the setpoint curve is immediately open
  • Such a screen known under the name "touch screen” can be drawn in by hand using a pen, if necessary.
  • the screen can have separate input fields for such program data to be specified for the heating controller.
  • Corresponding input fields can also be used to simplify the screen input, for example when the setpoint curves for individual heating circuits provided or for specific days of the week are called up via these input fields
  • the setpoint memory which can be read in via the screen
  • the receiving unit of which is assigned to the heating controller then the setpoint can be specified for the heating controller via the transmission link from a remote location, namely in the same simple way via an analog screen input
  • the screen provided for the analog image input can also be used to display selected measurement variables of the heating system, so that a wide range of possible uses not only for setting the target value, but also for monitoring the heating system, for example on the basis of the measured actual values, opens up for the screen
  • FIG. 1 shows a heating system with a control device according to the invention in a simplified block diagram
  • Fig. 2 shows the inventive device for controlling a heater in one
  • FIG. 3 is a schematic view of a possible configuration of the screen for analog image input of the control device according to the invention on a larger scale
  • a buffer store 5 which can be loaded, for example, from a boiler 6 via its supply 7.
  • a charging pump 9 is provided in the return 8 of the boiler 6.
  • the buffer store 5 can also be provided via a solar collector 10 are loaded, the flow 1 1 to a heat exchanger 12 of the buffer memory
  • the control of this heating system takes place via a heating controller 15, to which a setpoint memory 16 is assigned.
  • the setpoints required for the heating control, in particular the time-related temperature setpoints for the individual heating circuits 1 preferably heating individual rooms are read into and stored in the setpoint memory 16 via an input device 17.
  • the actual values associated with the setpoints are measured via sensors 18 for the room temperatures determined by the individual heating circuits 1 and an outside temperature sensor 19 and a temperature sensor 20 for the supply temperature of the boiler 6 detects a sensor 21 for solar radiation, a sensor 22 for the flow temperature of the solar collector 10 and, if appropriate, other measuring sensors and transmits them to the heating controller 15, which occurs when Setpoint-actual value differences for a corresponding control intervention for comparing these setpoint-actual value differences in a conventional manner provides for this purpose, for example, the actuators of the valves 4 via a valve circuit 23 controlled in order to manage the room temperature in the area of the individual heating circuits 1 in accordance with the setpoint specification.
  • the control circuits 26 and 27 provided for this do not have to be assigned directly to the heating controller 15, but can also be provided in the area of the heating boiler 6 or the solar collector 10, as is indicated in FIG. 1. In this case, a corresponding transmission link must be provided, with a wireless transmission link 28 having advantages.
  • control circuits 26 and 27 comprise subordinate control circuits which carry out the control of the boiler 6 or of the solar collector 10 as a function of actual values, which are detected by measuring sensors connected directly to the control circuits 26 and 27.
  • FIG. B for the temperature sensor 20 of the flow temperature of the boiler 6, the sensor 21 for solar radiation and the sensor 22 for the flow temperature of the solar collector 10.
  • the measured variables supplied to the control circuits 26 and 27 can be transmitted to the heating controller 15 for monitoring and storage become
  • the input device 17 for the setpoints to be given to the heating controller 15 consists of a screen 30 for an analog image input and an evaluation circuit 31 which is connected on the output side to the setpoint memory 16 and the setpoints to be stored digitally from the analog screen input calculated in a manner which is advantageous for the control program of the heating controller 15.
  • the screen 30 is preferably constructed from a liquid crystal display with a pressure-sensitive film, a so-called "touch screen", so that the setpoints are drawn on the screen 30 directly under pressure using a pen 32 (FIG. 3) or a finger
  • the screen 30 can also be used to display the stored setpoints or other measured values in analog form or as numerical values.
  • a control circuit 33 is provided in FIG. 2, via which the values to be displayed from the setpoint memory 16 or from the Heating controller 15 can be queried and correspondingly displayed on screen 30. It is thus possible, for example, to display the setpoints and actual values relevant for control circuits 26 and 27 on screen 30 for checking
  • This screen 30 has a coordinate system, the coordinate axes 34 and 35 of which are divided on the one hand for the hourly sequence of a day and on the other hand for the desired room temperature with the aid of the indicated pen 32, a desired temperature profile 36 can thus be drawn in over the time axis formed by the coordinate axis 34.
  • a target temperature profile can now be entered for each day of the week and for each of the heating circuits 1.
  • 30 input fields 37 for the individual days of the week and Input fields 38 are provided for the individual heating circuits 1 each assigned to a room 1 to 8.
  • the setpoint temperature profile for each of the rooms 1 to 8 and for each day of the week can be determined independently of one another and via the evaluation circuit 31 in the setpoint memory r 16 can be read In a display field 39, the respectively selected input fields 37 and 38 can be read.
  • an input field 40 is also provided, which enables the setpoints for the heating control to be entered during vacation times without having to overwrite the usual weekly control
  • a switch field 40 can also be used to switch the screen 30 to display the stored target values or the measured actual values
  • the switch-on and switch-off tents to be provided for maintaining the setpoint temperature curve for the heating circuit pump 24 or, if several heating circuit pumps are used, their switch-on and switch-off times ten are displayed or specified, as indicated in FIG. 3 with the aid of the pump running diagram 41.
  • the respective image display can also be selected via an input field 42 and, for example, switched to the display of actual values
  • the input device 17 can, together with the setpoint memory 16 and the control circuit 33, also form a separate, locally separate unit 43 from the heating controller 15. This is indicated by dash-dotted lines in FIG. 2.
  • the respective setpoints can also be specified in an analogous manner by drawing the setpoint curves on the screen 30 via a corresponding transmission path to the heating controller 15.
  • the unit 43 is like the heating controller 15 with a suitable transmitting and receiving unit 29 for the Equip transmission line
  • the invention is of course not limited to the illustrated embodiment.
  • the control device can thus be used not only for heating but also for cooling the rooms. In this case, heat is to be removed from the rooms via the heating circuits 1.
  • the necessary cooling of the heat carrier can be carried out in a known manner, for example via a heat pump.
  • the setpoints for the room temperatures can be specified in an analogous manner

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Remote Sensing (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

This invention describes a device for regulating a heating installation, particularly for a residential building, with a heating controller (15), with an input device (17) for temperature set values which are related to a measured variable, preferably time and/or external temperature, and with a set value memory (16) connected to the input device (17) transmitting set values, depending on the measured variable, to the heating controller (15). To simplify set value input, it is proposed that the input device (17) consist of a display (30) for analog screen input in at least one coordinate system with preset graduation and of an evaluation circuit (31) for temperature set values entered in analog form on the display (30) via the coordinate axis (34) for the measured variable, said evaluation circuit (31) being connected on the output-side of the set value memory (16).

Description

Vorrichtung zur Regelung einer Heizung, insbesondere für ein WohnhausDevice for regulating a heater, especially for a house

Die Erfindung bezieht sich auf eine Vorrichtung zur Regelung einer Heizung, ins¬ besondere für ein Wohnhaus mit einem Heizungsregler, mit einer Eingabeeinrichtung für auf eine Meßgroße vorzugsweise Zeit und/oder Außentemperatur, bezogene Tem¬ peratursollwerte und mit einem an die Eingabeeinrichtung angeschlossenen Sollwert- speicher zur meßgroßenabhangigen Sollwertvorgabe an den HeizungsreglerThe invention relates to a device for controlling a heater, in particular for a house with a heating controller, with an input device for temperature setpoints related to a measured variable, preferably time and / or outside temperature, and with a setpoint memory connected to the input device for the measurement-dependent setpoint input to the heating controller

Um eine Heizung oder einzelne Heizkreise entsprechend einem vorgegebenen Soll- Temperaturverlauf steuern zu können, werden Heizungsregler eingesetzt, die die gemessenen Istwerte der für die jeweilige Temperatursteuerung maßgeblichen Temperaturwerte beispielsweise der Außentemperatur, der Innentemperatur, der Vorlauftemperatur u dgl , mit den vorgegebenen Sollwerten vergleichen und bei einer entsprechenden Soll-Istwertdifferenz für einen Regeleingriff zum Ausgleich dieser Soll-Istwertdifferenz sorgen Die Vorgabe der üblicherweise auf einen Tages- oder Wochenablauf bezogenen Solltemperaturen erfolgt bei Heizungen für Wohnhauser im allgemeinen mit Hilfe eines Tastenfeldes, über das die für ausgewählte Tageszeiten gültigen Solltemperaturen für jeden Wochentag in einer vorgegebenen Reihenfolge aufwendig in einen dem Heizungsregler zugeordneten Sollwertspeicher eingelesen und abgespeichert werden müssen, was ein einschlagiges Fachwissen voraussetzt Um die Sollwertvorgabe einfach überprüfen zu können, ist es bekannt, den eingespei¬ cherten Soll-Temperaturverlauf auf einem Bildschirm grafisch über einer Zeitachse darzustellen Auf einem solchen Bildschirm kann aber auch der Isttemperaturverlauf angezeigt werden, wie er sich aus den Meßwerten von in der Heizungsanlage vor¬ gesehenen Temperaturfühlern ergibt Schließlich ist es zur Überwachung einer Heizanlage, insbesondere einer Solarheizanlage bekannt (EP 0 676 682 A2), die von Temperaturfühlern erfaßten Istwerte der überwachten Temperaturen bzw Tempe- raturdifferenzen beim Überschreiten von vorgegebenen Grenzwerten in einem Zeitfen¬ ster vor und nach dem Zeitpunkt der Grenzwertuberschreitung zu speichern, um anhand der abgespeicherten Temperaturwerte einen Storungsfall besser beurteilen zu können Alle diese bekannten Maßnahmen bauen jedoch auf einer entsprechenden Sollwertvorgabe auf und können die erforderliche, vergleichsweise aufwendige Sollwerteingabe nicht vereinfachenIn order to be able to control a heating system or individual heating circuits in accordance with a specified setpoint temperature curve, heating controllers are used which compare the measured actual values of the temperature values relevant for the respective temperature control, for example the outside temperature, the inside temperature, the flow temperature and the like, with the specified setpoints and at Provide a corresponding setpoint / actual value difference for a control intervention to compensate for this setpoint / actual value difference. The setpoint temperatures, which are usually related to a daily or weekly schedule, are generally specified for residential heating systems using a keypad, which is used to set the setpoint temperatures valid for selected times of the day for each day of the week In a predetermined sequence, it must be read into and saved in a setpoint memory assigned to the heating controller, which requires relevant specialist knowledge. To set the setpoint easily To be able to check, it is known to graphically display the stored target temperature profile on a screen over a time axis. However, the actual temperature profile can also be displayed on such a screen, as it results from the measured values of temperature sensors provided in the heating system Finally, for monitoring a heating system, in particular a solar heating system, it is known (EP 0 676 682 A2) that the actual values of the monitored temperatures or temp. save temperature differences when predetermined limit values are exceeded in a time window before and after the time when the limit value is exceeded in order to be able to better assess a malfunction based on the stored temperature values. However, all these known measures are based on a corresponding setpoint specification and can do the necessary, comparatively complex Do not simplify setpoint entry

Der Erfindung liegt somit die Aufgabe zugrunde, eine Vorrichtung der eingangs geschilderten Art so auszubilden, daß eine einfache Sollwerteingabe auch für Laien möglich wirdThe invention is therefore based on the object of designing a device of the type described at the outset in such a way that simple setpoint input is also possible for laypersons

Die Erfindung lost die gestellte Aufgabe dadurch, daß die Eingabeeinrichtung aus einem Bildschirm für eine analoge Bildeingabe in wenigstens einem Koordinatensy¬ stem mit vorgegebener Maßeinteilung und aus einer ausgangsseitig mit dem Sollwert- speicher verbundenen Auswerteschaltung für analog auf dem Bildschirm über der Koordinatenachse für die Meßgroße einzeichenbare Temperatursollwerte bestehtThe invention achieves the object that the input device from a screen for an analog image input in at least one coordinate system with a predetermined dimension and from an evaluation circuit connected on the output side to the setpoint memory for analog characters that can be drawn on the screen above the coordinate axis for the measured variable Temperature setpoints exist

Durch diese Maßnahmen wird die Möglichkeit geschaffen, den Sollwertverlauf in einem mit einer Maßeinteilung versehenen Koordinatensystem analog auf einem Bildschirm einzuzeichnen, was keine besonderen Fähigkeiten erfordert Über die vorgesehene Auswerteschaltung werden dann aus der analog eingezeichneten Sollwertkurve die für die Regelung erforderlichen Sollwerte ermittelt und digital in den Sollwertspeicher eingelesen und abgespeichert Die abgespeicherten Sollwerte können auch abgerufen und wieder auf dem Bildschirm angezeigt werden, um allenfalls Korrekturen durch ein analoges Überschreiben der angezeigten Sollwertkur¬ ven vorzunehmen Der geänderte Sollwertverlauf wird dann mit Hilfe der Auswerte¬ schaltung wieder im Sollwertspeicher abgespeichertThese measures make it possible to draw the setpoint curve in a coordinate system provided with a scale analogously on a screen, which does not require any special skills. Via the provided evaluation circuit, the setpoints required for the control are then determined from the analogously drawn setpoint curve and digitally in the Setpoint memory read in and stored The stored setpoints can also be called up and displayed again on the screen, in order to make corrections if necessary by analogously overwriting the displayed setpoint curves. The changed setpoint curve is then saved again in the setpoint memory using the evaluation circuit

Die analoge Bildeingabe auf dem Bildschirm konnte beispielsweise mit Hilfe einer an einen Rechner angeschlossenen Maus erfolgen Einfachere Verhaltnisse ergeben sich allerdings, wenn der Bildschirm aus durch eine druckempfindliche Folie abgedeckten Flussigkπstallen aufgebaut ist, weil in diesem Fall die Sollwertkurve unmittelbar auf einem solchen unter der Bezeichnung "Touch Screen" bekannten Bildschirm von Hand aus gegebenenfalls mittels eines Stiftes eingezeichnet werden kann.The analog image input on the screen could be carried out, for example, with the aid of a mouse connected to a computer. However, simpler conditions arise if the screen is made up of liquid stones covered by a pressure-sensitive film, because in this case the setpoint curve is immediately open Such a screen known under the name "touch screen" can be drawn in by hand using a pen, if necessary.

Ist für den ordnungsgemäßen Ablauf eines Regelungsprogrammes für den Heizungs¬ regeier die zusätzliche Eingabe von bestimmten, auf die jeweilige Heizung bezogenen Programmdaten erforderlich, so kann der Bildschirm gesonderte Eingabefelder für solche dem Heizungsregler vorzugebende Programmdaten aufweisen. Über ent¬ sprechende Eingabefelder kann auch die Bildschirmeingabe vereinfacht werden, beispielsweise dann, wenn über diese Eingabefelder die Sollwertkurven für einzelne der vorgesehenen Heizkreise oder für bestimmte Wochentage abgerufen werdenIf the additional execution of certain program data relating to the respective heater is necessary for the proper execution of a control program for the heating controller, the screen can have separate input fields for such program data to be specified for the heating controller. Corresponding input fields can also be used to simplify the screen input, for example when the setpoint curves for individual heating circuits provided or for specific days of the week are called up via these input fields

Wird der über den Bildschirm einlesbare Sollwertspeicher mit einer Sendeeinheit einer zwischen der Eingabeeinrichtung und dem Heizungsregler liegenden Ubertragungs- strecke verbunden, deren Empfangseinheit dem Heizungsregler zugeordnet ist, so kann die Sollwertvorgabe für den Heizungsregler über die Ubertragungsstrecke von einem entfernten Ort vorgenommen werden, und zwar in gleich einfacher Art über eine analoge Bildschirmeingabe Um auch Daten vom Heizungsregler zum Bildschirm übertragen zu können, empfiehlt es sich sowohl den Heizungsregler als auch die Eingabeeinrichtung mit Sende- und Empfangseinheiten für die Ubertragungsstrecke auszurüstenIf the setpoint memory, which can be read in via the screen, is connected to a transmission unit of a transmission link between the input device and the heating controller, the receiving unit of which is assigned to the heating controller, then the setpoint can be specified for the heating controller via the transmission link from a remote location, namely in the same simple way via an analog screen input In order to be able to transfer data from the heating controller to the screen, it is recommended to equip both the heating controller and the input device with transmitter and receiver units for the transmission link

Selbstverständlich kann der für die analoge Bildeingabe vorgesehene Bildschirm auch zur Anzeige ausgewählte Meßgroßen der Heizungsanlage benutzt werden, so daß sich für den Bidschirm eine vielfaltige Awendungsmoglichkeit nicht nur für die Soll¬ wertvorgabe, sondern auch für die Überwachung der Heizungsanlage beispielsweise anhand der gemessenen Istwerte eröffnetOf course, the screen provided for the analog image input can also be used to display selected measurement variables of the heating system, so that a wide range of possible uses not only for setting the target value, but also for monitoring the heating system, for example on the basis of the measured actual values, opens up for the screen

In der Zeichnung ist der Erfindungsgegenstand in einem Asfuhrungsbeispiel darge¬ stellt Es zeigenThe drawing shows the subject matter of the invention in an exemplary embodiment. It shows

Fig 1 eine Heizungsanlage mit einer erfindungsgemäßen Regelungsvorrichtung in einem vereinfachten Blockschaltbild, Fig 2 die erfindungsgemaße Vorrichtung zur Regelung einer Heizung in einem1 shows a heating system with a control device according to the invention in a simplified block diagram, Fig. 2 shows the inventive device for controlling a heater in one

Blockschaltbild und Fig 3 eine schematische Ansicht einer möglichen Ausgestaltung des Bildschirms zur analogen Bildeingabe der erfindungsgemaßen Regelvorrichtung in einem größeren Maßstab3 is a schematic view of a possible configuration of the screen for analog image input of the control device according to the invention on a larger scale

Die Heizanlage gemäß der Fig 1 ist als Warmwasserheizung mit mehreren Heiz- kreisen 1 ausgebildet von denen lediglich drei angedeutet sind Der gemeinsame Vorlauf 2 und der gemeinsame Rucklauf 3 dieser Heizkreise 1 , die über je ein Ventil1 is designed as a hot water heater with a plurality of heating circuits 1, of which only three are indicated. The common flow 2 and the common return 3 of these heating circuits 1, each via a valve

4 vom gemeinsamen Vorlauf 2 mit Warmwasser versorgt werden, sind mit einem Pufferspeicher 5 verbunden, der beispielsweise von einem Heizkessel 6 über dessen Vorlauf 7 geladen werden kann Im Rucklauf 8 des Heizkessels 6 ist eine Ladepumpe 9 vorgesehen Der Pufferspeicher 5 kann aber auch über einen Sonnenkollektor 10 geladen werden, dessen Vorlauf 1 1 an einen Wärmetauscher 12 des Pufferspeichers4 are supplied with hot water from the common supply 2, are connected to a buffer store 5, which can be loaded, for example, from a boiler 6 via its supply 7. A charging pump 9 is provided in the return 8 of the boiler 6. The buffer store 5 can also be provided via a solar collector 10 are loaded, the flow 1 1 to a heat exchanger 12 of the buffer memory

5 angeschlossen ist Das kalte Ende dieses Warmtauschers 12 ist über eine Pumpe 13 mit dem Rucklauf 14 des Sonnenkollektors 10 verbunden5 is connected The cold end of this heat exchanger 12 is connected to the return 14 of the solar collector 10 via a pump 13

Die Steuerung dieser Heizungsanlage die lediglich eine Ausfuhrungsmoglichkeit darstellt und in vielfaltiger Weise ergänzt oder abgeändert werden kann erfolgt über einen Heizungsregler 15, dem ein Sollwertspeicher 16 zugeordnet ist Die jeweils für die Heizungsregelung benotigten Sollwerte, insbesondere die zeitbezogenen Tempe¬ ratursollwerte für die einzelnen Heizkreise 1 die vorzugsweise einzelne Räume heizen werden über eine Eingabeeinrichtung 17 in den Sollwertspeicher 16 eingele¬ sen und abgespeichert Die den Sollwerten zugehörigen Istwerte werden über Meßfühler 18 für die durch die einzelnen Heizkreise 1 bestimmten Raumtempera¬ turen über einen Außentemperaturfuhler 19 einen Temperaturfühler 20 für die Vorlauftemperatur des Heizkessels 6 einen Fühler 21 für die Sonneneinstrahlung, einen Fühler 22 für die Vorlauftemperatur des Sonnenkollektors 10 und gegebenen¬ falls anderer Meßfühler erfaßt und an den Heizungsregler 15 übermittelt, der beim Auftreten von Soll-Istwertdifferenzen für einen entsprechenden Regeleingriff zum Abgleichen dieser Soll-Istwertdifferenzen in herkömmlicher Art sorgt Zu diesem Zweck werden beispielsweise die Stelltriebe der Ventile 4 über einen Ventilschaltkreis 23 angesteuert, um die Raumtemperatur im Bereich der einzelnen Heizkreise 1 ent¬ sprechend der Sollwertvorgabe zu führen. Die dazu allenfalls erforderliche Steuerung der Heizkreispumpe 24 sowie des Mischventiles 25, über das der Rücklauf 3 mit dem Vorlauf 2 der Heizung zur Regelung der Vorlauftemperatur verbunden werden kann, erfolgt entsprechend dem Regelungsprogramm über den Heizungsregler 15, der auch den Heizkessel 6 sowie den Sonnenkollektor 10 ansteuert. Die hiefür vorgesehenen Steuerkreise 26 und 27 müssen nicht unmittelbar dem Heizungsregler 15 zugeordnet sein, sondern können auch im Bereich des Heizungskesseis 6 bzw. des Sonnenkol¬ lektors 10 vorgesehen werden, wie dies in der Fig. 1 angedeutet ist. In diesem Fall ist für eine entsprechende Ubertragungsstrecke zu sorgen, wobei eine drahtlose Uber¬ tragungsstrecke 28 Vorteile mit sich bringen kann. Damit nicht nur eine Signalüber- trageung in einer Richtung möglich ist, empfiehlt es sich sowohl dem Heizungsregler 15 als auch den Steuerkreisen 26 unf 27 Sende- und Empfangseinheiten 29 zu¬ zuordnen, insbesondere dann, wenn die Steuerkreise 26 und 27 untergeordnete Regelkreise umfassen, die die Steuerung des Heizkessels 6 bzw. des Sonnenkollek¬ tors 10 in Abhängigkeit von Istwerten durchführen, die über unmittelbar an die Steuerkreise 26 und 27 angeschlossene Meßwertfühler erfaßt werden Dies gilt gemäß der Fig. 1 z. B. für den Temperaturfühler 20 der Vorlauftemperatur des Heizkessels 6, den Fühler 21 für die Sonneneinstrahlung und den Fühler 22 für die Vorlauftemperatur des Sonnenkollektors 10. Die den Steuerkreisen 26 und 27 zu¬ geleiteten Meßgrößen können zum Heizungsregler 15 zur Überwachung und Ab¬ speicherung übertragen werdenThe control of this heating system, which is only one possible embodiment and can be supplemented or modified in a variety of ways, takes place via a heating controller 15, to which a setpoint memory 16 is assigned. The setpoints required for the heating control, in particular the time-related temperature setpoints for the individual heating circuits 1 preferably heating individual rooms are read into and stored in the setpoint memory 16 via an input device 17. The actual values associated with the setpoints are measured via sensors 18 for the room temperatures determined by the individual heating circuits 1 and an outside temperature sensor 19 and a temperature sensor 20 for the supply temperature of the boiler 6 detects a sensor 21 for solar radiation, a sensor 22 for the flow temperature of the solar collector 10 and, if appropriate, other measuring sensors and transmits them to the heating controller 15, which occurs when Setpoint-actual value differences for a corresponding control intervention for comparing these setpoint-actual value differences in a conventional manner provides for this purpose, for example, the actuators of the valves 4 via a valve circuit 23 controlled in order to manage the room temperature in the area of the individual heating circuits 1 in accordance with the setpoint specification. The necessary control of the heating circuit pump 24 and the mixing valve 25, via which the return line 3 can be connected to the flow line 2 of the heating system for regulating the flow temperature, takes place in accordance with the control program via the heating controller 15, which also includes the boiler 6 and the solar collector 10 controls. The control circuits 26 and 27 provided for this do not have to be assigned directly to the heating controller 15, but can also be provided in the area of the heating boiler 6 or the solar collector 10, as is indicated in FIG. 1. In this case, a corresponding transmission link must be provided, with a wireless transmission link 28 having advantages. So that it is not only possible to transmit signals in one direction, it is advisable to assign both the heating controller 15 and the control circuits 26 and 27 transmitter and receiver units 29, in particular if the control circuits 26 and 27 comprise subordinate control circuits which carry out the control of the boiler 6 or of the solar collector 10 as a function of actual values, which are detected by measuring sensors connected directly to the control circuits 26 and 27. This applies according to FIG. B. for the temperature sensor 20 of the flow temperature of the boiler 6, the sensor 21 for solar radiation and the sensor 22 for the flow temperature of the solar collector 10. The measured variables supplied to the control circuits 26 and 27 can be transmitted to the heating controller 15 for monitoring and storage become

Die Eingabeeinrichtung 17 für die dem Heizungsregler 15 vorzugebenden Sollwerte besteht nach der Fig. 2 aus einem Bildschirm 30 für eine analoge Bildeingabe und aus einer Auswerteschaltung 31 , die ausgangsseitig mit dem Sollwertspeicher 16 in Verbindung steht und aus der analogen Bildschirmeingabe die digital abzuspeichern¬ den Sollwerte in einer für das Regelungsprogramm des Heizungsreglers 15 vor¬ teilhaften Art errechnet. Der Bildschirm 30 ist dabei vorzugsweise aus einer Flüssig¬ kristallanzeige mit einer druckempfindlichen Folie, einem sogenannten "Touch Screen" aufgebaut, so daß die Sollwerte unmittelbar unter Druckanwendung mittels eines Stiftes 32 (Fig 3) oder eines Fingers auf dem Bildschirm 30 eingezeichnet werden können Selbstverständlich kann der Bildschirm 30 auch zur Anzeige der abgespei¬ cherten Sollwerte bzw anderer Meßgroßen in analoger Form oder als Zahlenwerte benutzt werden In der Fig 2 ist für diesen Fall eine Steuerschaltung 33 vorgesehen, über die die anzuzeigenden Werte aus dem Sollwertspeicher 16 bzw aus dem Heizungsregler 15 abgefragt und auf dem Bildschirm 30 entsprechend dargestellt werden können Damit ist es beispielsweise möglich, die für die Steuerkreise 26 und 27 maßgebenden Soll- und Istwerte auf dem Bildschirm 30 zur Überprüfung anzuzei¬ genAccording to FIG. 2, the input device 17 for the setpoints to be given to the heating controller 15 consists of a screen 30 for an analog image input and an evaluation circuit 31 which is connected on the output side to the setpoint memory 16 and the setpoints to be stored digitally from the analog screen input calculated in a manner which is advantageous for the control program of the heating controller 15. The screen 30 is preferably constructed from a liquid crystal display with a pressure-sensitive film, a so-called "touch screen", so that the setpoints are drawn on the screen 30 directly under pressure using a pen 32 (FIG. 3) or a finger Of course, the screen 30 can also be used to display the stored setpoints or other measured values in analog form or as numerical values. In this case, a control circuit 33 is provided in FIG. 2, via which the values to be displayed from the setpoint memory 16 or from the Heating controller 15 can be queried and correspondingly displayed on screen 30. It is thus possible, for example, to display the setpoints and actual values relevant for control circuits 26 and 27 on screen 30 for checking

In der Fig 3 ist die Eingabe der Sollwerte über den Bildschirm 30 naher dargestellt Dieser Bildschirm 30 weist ein Koordinatensystem auf, dessen Koordinatenachsen 34 und 35 eine Maßeinteilung einerseits für die Stundenabfolge eines Tages und ander¬ seits für die gewünschte Raumtemperatur aufweisen Mit Hilfe des angedeuteten Stiftes 32 kann somit über der durch die Koordinatenachse 34 gebildeten Zeitachse ein gewünschter Temperaturverlauf 36 eingezeichnet werden Ein solcher Solltempe¬ raturverlauf kann nun für jeden Wochentag und für jeden der Heizkreise 1 eingegeben werden Zu diesem Zweck sind auf dem Bildschirm 30 Eingabefelder 37 für die einzelnen Wochentage und Eingabefelder 38 für die einzelnen je einem Raum 1 bis 8 zugeordneten Heizkreise 1 vorgesehen Über diese Eingabefelder 37 und 38 kann somit der Solltemperaturverlauf für jeden der Räume 1 bis 8 und für jeden Wochentag voneinander unabhängig festgelegt und über die Auswerteschaltung 31 in den Sollwertspeicher 16 eingelesen werden In einem Anzeigefeld 39 können die jeweils ausgewählten Eingabefelder 37 und 38 abgelesen werden Neben den bereits beschriebenen Eingabefeldern ist auch ein Eingabefeld 40 vorgesehen, das die Eingabe der Sollwerte für die Heizungssteuerung in Urlaubszeiten ermöglicht, ohne die übliche Wochensteuerung überschreiben zu müssen Über ein Schalterfeld 40 kann außerdem der Bildschirm 30 zur Anzeige der abgespeicherten Sollwerte bzw der gemessenen Istwerte umgeschaltet werden3 shows the input of the setpoints on the screen 30 in more detail. This screen 30 has a coordinate system, the coordinate axes 34 and 35 of which are divided on the one hand for the hourly sequence of a day and on the other hand for the desired room temperature with the aid of the indicated pen 32, a desired temperature profile 36 can thus be drawn in over the time axis formed by the coordinate axis 34. Such a target temperature profile can now be entered for each day of the week and for each of the heating circuits 1. For this purpose, 30 input fields 37 for the individual days of the week and Input fields 38 are provided for the individual heating circuits 1 each assigned to a room 1 to 8. Using these input fields 37 and 38, the setpoint temperature profile for each of the rooms 1 to 8 and for each day of the week can be determined independently of one another and via the evaluation circuit 31 in the setpoint memory r 16 can be read In a display field 39, the respectively selected input fields 37 and 38 can be read. In addition to the input fields already described, an input field 40 is also provided, which enables the setpoints for the heating control to be entered during vacation times without having to overwrite the usual weekly control A switch field 40 can also be used to switch the screen 30 to display the stored target values or the measured actual values

Neben den Solltemperaturen können beispielsweise auch die für das Einhalten eines Solltemperaturverlaufes vorzusehenden Ein- und Ausschaltzelten für die Heizkreis- pumpe 24 bzw beim Einsatz mehrer Heizkreispumpen deren Ein- und Ausschaltzei- ten angezeigt oder vorgegeben werden, wie dies in der Fig. 3 mit Hilfe des Pumpen- laufdiagrammes 41 angedeutet ist. Über ein Eingabefeld 42 kann außerdem die jeweilige Bilddarstellung gewählt und beispielsweise auf die Anzeige von Istwerten umgeschaltet werdenIn addition to the setpoint temperatures, the switch-on and switch-off tents to be provided for maintaining the setpoint temperature curve for the heating circuit pump 24 or, if several heating circuit pumps are used, their switch-on and switch-off times ten are displayed or specified, as indicated in FIG. 3 with the aid of the pump running diagram 41. The respective image display can also be selected via an input field 42 and, for example, switched to the display of actual values

Die Eingabeeinrichtung 17 kann mit dem Sollwertspeicher 16 und der Steuerschaltung 33 auch eine vom Heizungsregler 15 gesonderte, örtlich getrennte Baueinheit 43 bilden In der Fig 2 ist dies strichpunktiert angedeutet. In diesem Fall können über eine entsprechende Ubertragungsstrecke dem Heizungsregler 15 die jeweiligen Sollwerte ebenfalls in analoger Weise durch ein Einzeichnen der Sollwertkurven auf dem Bildschirm 30 vorgegeben werden Die Baueinheit 43 ist zu diesem Zweck wie der Heizungsregler 15 mit einer geeigneten Sende- und Empfangseinheit 29 für die Ubertragungsstrecke auszurüstenThe input device 17 can, together with the setpoint memory 16 and the control circuit 33, also form a separate, locally separate unit 43 from the heating controller 15. This is indicated by dash-dotted lines in FIG. 2. In this case, the respective setpoints can also be specified in an analogous manner by drawing the setpoint curves on the screen 30 via a corresponding transmission path to the heating controller 15. For this purpose, the unit 43 is like the heating controller 15 with a suitable transmitting and receiving unit 29 for the Equip transmission line

Die Erfindung ist selbstverständlich nicht auf das dargestellte Ausführungsbeispiel beschrankt. So kann die Steuerungsvorrichtung nicht nur für ein Erwärmen, sondern auch für ein Kühlen der Räume eingesetzt werden. In diesem Fall ist über die Heiz¬ kreise 1 Warme aus den Räumen abzuführen Die notwendige Kühlung des Wärme¬ tragers kann in bekannter Weise z B über eine Wärmepumpe erfolgen. Die Vorgabe der Sollwerte für die Raumtemperaturen kann in analoger Weise vorgenommen werden The invention is of course not limited to the illustrated embodiment. The control device can thus be used not only for heating but also for cooling the rooms. In this case, heat is to be removed from the rooms via the heating circuits 1. The necessary cooling of the heat carrier can be carried out in a known manner, for example via a heat pump. The setpoints for the room temperatures can be specified in an analogous manner

Claims

P a t e n t a n s p r ü c h eP a t e n t a n s r u c h e 1 Vorrichtung zur Regelung einer Heizung, insbesondere für ein Wohnhaus, mit einem Heizungsregler, mit einer Eingabeeinrichtung für auf eine Meßgröße, vor¬ zugsweise Zeit und/oder Außentemperatur, bezogene Temperatursollwerte und mit einem an die Eingabeeinrichtung angeschlossenen Sollwertspeicher zur meßgroßen- abhangigen Sollwertvorgabe an den Heizungsregler, dadurch gekennzeichnet, daß die Eingabeeinrichtung (17) aus einem Bildschirm (30) für eine analoge Bildeingabe in wenigstens einem Koordinatensystem mit vorgegebener Maßeinteilung und aus einer ausgangsseitig mit dem Sollwertspeicher (16) verbundenen Auswerteschaltung (31 ) für analog auf dem Bildschirm (30) über der Koordinatenachse (34) für die Meßgroße emzeichenbare Temperatursollwerte besteht1 device for controlling a heater, in particular for a house, with a heating controller, with an input device for temperature setpoints related to a measured variable, preferably time and / or outside temperature, and with a setpoint memory connected to the input device for the measurement-dependent setpoint specification to the Heating controller, characterized in that the input device (17) comprises a screen (30) for an analog image input in at least one coordinate system with a predetermined dimension and an evaluation circuit (31) on the output side connected to the setpoint memory (16) for analog on the screen (30 ) above the coordinate axis (34) for the measurable variable temperature setpoints 2 Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, daß der Bildschirm (30) aus durch eine druckempfindliche Folie abgedeckten Flussigkristallen aufgebaut ist2 Device according to claim 1, characterized in that the screen (30) is constructed from liquid crystals covered by a pressure-sensitive film 3 Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Bild¬ schirm (30) gesonderte Eingabefelder (37, 38) für dem Heizungsregler (15) vorzuge¬ bende Programmdaten aufweist3 Device according to claim 1 or 2, characterized in that the screen (30) has separate input fields (37, 38) for the heating controller (15) to be given program data 4 Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der über den Bildschirm (30) einlesbare Sollwertspeicher (16) mit einer Sendeeinheit (29) einer zwischen der Eingabeeinrichtung (17) und dem Heizungsregler (15) hegen¬ den Ubertragungsstrecke verbunden ist, deren Empfangseinheit (29) dem Heizungs¬ regler (15) zugeordnet ist4 Device according to one of claims 1 to 3, characterized in that the setpoint memory (16) which can be read in via the screen (30) is connected to a transmission unit (29) of a transmission path between the input device (17) and the heating controller (15) whose receiving unit (29) is assigned to the heating controller (15) 5 Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß auf dem Bildschirm (30) der Eingabeeinrichtung (17) ausgewählte Meßgroßen der Heizungsanlage anzeigbar sind 5 Device according to one of claims 1 to 4, characterized in that on the screen (30) of the input device (17) selected measured quantities of the heating system can be displayed
PCT/AT1997/000071 1996-04-17 1997-04-16 Device for regulating a heating installation, particularly in a residential building Ceased WO1997039392A1 (en)

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DE19780316T DE19780316D2 (en) 1996-04-17 1997-04-16 Device for regulating a heater, especially for a house
AU24982/97A AU2498297A (en) 1996-04-17 1997-04-16 Device for regulating a heating installation, particularly in a residential building
EP97916260A EP0894297A1 (en) 1996-04-17 1997-04-16 Device for regulating a heating installation, particularly in a residential building

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AT0069296A AT404997B (en) 1996-04-17 1996-04-17 DEVICE FOR CONTROLLING A HEATING, IN PARTICULAR FOR A RESIDENTIAL HOUSE
ATA692/96 1996-04-17

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AT (1) AT404997B (en)
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CH (1) CH693915A5 (en)
DE (1) DE19780316D2 (en)
WO (1) WO1997039392A1 (en)

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CH693915A5 (en) 2004-04-15
ATA69296A (en) 1998-08-15
AT404997B (en) 1999-04-26
DE19780316D2 (en) 1999-04-01
EP0894297A1 (en) 1999-02-03

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