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EP2392867A2 - Information system based on a heating system with local supply pumps and method for using the information system - Google Patents

Information system based on a heating system with local supply pumps and method for using the information system Download PDF

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Publication number
EP2392867A2
EP2392867A2 EP11003877A EP11003877A EP2392867A2 EP 2392867 A2 EP2392867 A2 EP 2392867A2 EP 11003877 A EP11003877 A EP 11003877A EP 11003877 A EP11003877 A EP 11003877A EP 2392867 A2 EP2392867 A2 EP 2392867A2
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EP
European Patent Office
Prior art keywords
data
local supply
information system
supply pumps
sensor
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
EP11003877A
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German (de)
French (fr)
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EP2392867A3 (en
EP2392867B1 (en
Inventor
Franz Dr Schröder
Dieter Heckmann
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Metrona Union GmbH
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Metrona Waermemesser Union GmbH
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Publication of EP2392867A2 publication Critical patent/EP2392867A2/en
Publication of EP2392867A3 publication Critical patent/EP2392867A3/en
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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
    • 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
    • F24D19/1048—Counting of energy consumption

Definitions

  • the invention relates to an information system based on a heating system with multiple local supply pumps.
  • the invention further relates to a method for using such an information system.
  • LVP heating system In addition to this not insignificant energy saving potential due to the elimination of the throttle control LVP heating systems also offer other advantages, which are irrelevant to the invention. Further details of a LVP heating system, the DE 10 2006 041 345 A1 be removed.
  • the object of the invention is to systematically expand a heating system with several local supply pumps so that information about the consumption behavior and / or the indoor climate, which go beyond purely related to the operation or the control of the LVP heating system information made available ,
  • the information system according to the invention is based on a heating system with a plurality of local supply pumps, which are networked with a central processing unit.
  • the central processing unit calculates current setpoint values of operating parameters of the local supply pumps and / or receives current actual values from operating parameters of the local supply pumps.
  • additional sensor units that are not directly related to the basic operation of the heating system are coupled directly or indirectly to the central processing unit.
  • the invention makes it possible, based on the predetermined structure of a LVP heating system, to create an information system with a few additional resources, which can provide information on, among other things, the cumulative and instantaneous energy consumption in a single residential unit and / or an entire property.
  • a smart metering functionality can thus be created in a LVP heating system by using its infrastructure and an extended evaluation of the operating data of the LVP heating system in combination with the additionally available sensor data in a very efficient manner.
  • the central processing unit preferably has means for evaluating the data transmitted by the sensor units in conjunction with the setpoint / actual values of the operating parameters of the local supply pumps.
  • the invention also provides a method of using an information system according to the invention.
  • data transmitted by the sensor units are evaluated in conjunction with operating parameters of the local supply pumps.
  • FIG. 1 the basic structure of an existing LVP heating system is shown.
  • a heating system HA heats a heating medium and is also used for hot water preparation (symbolized by WW).
  • About a starting from the heating system flow line 12 more radiators 10 are supplied with the heated heating medium. After passing through the radiator 10, the heating medium is discharged into a return line 14, which in turn opens into the heating system HA.
  • Each radiator 10 is associated with a local supply pump 16, which regulates the flow of the heating medium through the respective radiator 10 individually.
  • the local supply pumps 16 are equipped with a temperature sensor T R , which continuously measures the current return temperature of the heating medium.
  • the local supply pumps 16 are provided in the example shown at the return of each radiator 10 (could in principle but also be arranged elsewhere).
  • the local supply pumps 16 are connected via a bus system or in another suitable manner (wired or wireless) to a central processing unit 18.
  • the central processing unit 18 receives current actual values of operating parameters at short intervals (for example of the order of one minute) The local supply pumps 16. These values allow a conclusion on the flow rate, which flows through the respective pump 16 and through the respective radiator 10.
  • the central processing unit 18 receives the actual return temperatures of the heating medium measured by the temperature sensors T R at the points of the individual pumps 16.
  • a control unit 20 controls local supply pumps 16 based on calculated current setpoint values of operating parameters. The setpoints are in turn based on specifications that the user of the residential unit can enter via a central operating and display unit 22.
  • Arithmetic unit 18, control unit 20 and / or operating and display unit 22 can be realized in a common device or in physically separate devices, which is basically irrelevant to the functionality of the LVP heating system.
  • computing unit comprises at least the functionalities of the arithmetic unit 18 and the control unit 20.
  • the data determined by the sensor units 24 are transmitted indirectly via the existing network of the LVP heating system to the central processing unit 18.
  • a data transmission interface 28 for receiving and / or transmitting data of the sensor units 24 is provided on one, at several or at all local supply pumps 16.
  • the data transfer interface 28 is located on the local supply pump 16 itself or on its local controller 26 (distribution box), which typically represents an endpoint of an existing bus system that connects the local supply pumps 16 to the central processing unit 18 (see FIG FIG. 3 ).
  • the data sent by the sensor units 24 on demand or continuously at short time intervals is received by one or more data transmission interfaces 28 and then forwarded to the central processing unit 18 via the existing network of the LVP heating system.
  • the transmission of the data of the sensor units 24 to the arithmetic unit 18 is based on the transmission of the operating parameters of the local supply pumps 16 to the arithmetic unit 18, in particular with regard to the short time intervals of this data transmission.
  • a method based on RFID technology For transmitting the data of the sensor units 24 to the data transmission interface or interfaces 28, a method based on RFID technology is provided, wherein the sensor units 24 are equipped with RFID repeaters. Particularly in the case of an existing suitable bus system, a local supply pump 16 acts as a master, a sensor unit 24 as a slave.
  • the data of the sensor units 24 can be retrieved by the user at any time, even in evaluated form.
  • the central arithmetic unit 18 has in particular means for evaluating the data transmitted by the sensor units 24 in conjunction with the set / actual values of the operating parameters of the local supply pumps 16.
  • the functionality of the system achievable as a result should be exemplified by additionally provided electronic heat cost allocators integrated, coupled to the radiator 10 temperature sensors are briefly explained.
  • a joint evaluation of the data of these temperature sensors together with the operating parameters of the local supply pumps 16 allows the determination of the relative (with additional knowledge of the absolute amount of energy of the entire heating system and the absolute absolute) heat quantity delivery of a radiator 10 - or any group of radiators 10 within a residential unit or property - within certain time intervals (weekly, monthly, annual intervals).
  • simple temperature sensors 30 attached to the radiators 10 are also sufficient, as in FIG. 3 shown.
  • the DIN standards for electronic heat cost allocation systems can be met directly.
  • the determination of the heat quantity deliveries makes it possible, after further recording of the necessary data regarding the primary energy expenditure (gas, electricity, fuel and / or district heat) and the operating costs of a suitable location, to carry out a complete heating billing by a billing service provider.
  • the use of RFID technology is particularly advantageous because it ensures easy identification of the temperature sensors and reliable and cost-effective communication between the sensors and the data transmission interfaces 28.
  • the display and operating device 22 can be used for interactively displaying the accumulated and instantaneous energy consumption of the residential unit in the case of appropriately integrated sensor units 24.
  • the timely and spontaneous access of the user to the essential data allowing him (possibly in an evaluated form) to disclose his current and long-term consumption behavior corresponds to smart metering functionality using the existing infrastructure of the LVP heating system.
  • a service provider can also collect up-to-date and accumulated consumption data on a larger scale, especially with regard to several residential units and properties. Users can search for one receive corresponding authentication at the service provider access to the consumption data of their housing unit, the data from the service provider to a mobile receiver (mobile phone, etc.) can be transmitted or made available via an Internet portal or in the form of an individually preconfigured website. In this way, a user z. B. verify the billing of a billing service provider.

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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)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Pipe Accessories (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

The system has a CPU (18) calculating actual threshold valve of operational parameters of local supply pumps (16). The CPU receives actual value of the operational parameters of the supply pumps. Sensing units e.g. temperature sensor, are not in direct connection with basic operation of a heating system, and are directly or indirectly coupled to the central processing unit. A data transfer interface receives and/or transmits data of the sensor units, and is provided on the supply pumps. The sensor units are selected from a temperature sensor, humidity sensor, carbon dioxide sensor, and window position sensor. An INDEPENDENT CLAIM is also included for a method for utilizing an information system.

Description

Die Erfindung betrifft ein Informationssystem, basierend auf einem Heizsystem mit mehreren lokalen Versorgungspumpen. Die Erfindung betrifft ferner ein Verfahren zur Nutzung eines solchen Informationssystems.The invention relates to an information system based on a heating system with multiple local supply pumps. The invention further relates to a method for using such an information system.

Es ist aufgrund zukunftsweisender Testergebnisse zu erwarten, dass in immer mehr Heizsystemen anstelle einer zentralen Umwälzpumpe kleine lokale Versorgungspumpen eingesetzt werden, die den Heizmediumzufluss dezentral für jeden Heizkörper individuell regeln und somit die gängigen Thermostatventile ersetzen können. In einem solchen Heizsystem mit lokalen Versorgungspumpen (nachfolgend kurz LVP-Heizsystem genannt) werden die Wärmeübergabe innerhalb des Heizungssystems und die Wärmeabgabe der Heizkörper hydraulisch optimiert, indem die Betriebsparameter der lokalen Versorgungspumpen über eine Vernetzung (drahtgebunden oder Funk) ständig zentral erfasst und gesteuert werden. Neben diesem nicht unerheblichen Energieeinsparpotenzial durch den Wegfall der Drosselregelung bieten LVP-Heizsysteme auch noch weitere Vorteile, die für die Erfindung jedoch unerheblich sind. Weitere Einzelheiten eines LVP-Heizsystems können der DE 10 2006 041 345 A1 entnommen werden.Due to trend-setting test results, it is to be expected that in more and more heating systems, instead of a central circulating pump, small local supply pumps will be used which individually regulate the heating medium inflow for each radiator and thus replace the usual thermostatic valves. In such a heating system with local supply pumps (hereafter referred to as LVP heating system), the heat transfer within the heating system and the heat output of the radiators are hydraulically optimized by the operating parameters of the local supply pumps via a network (wired or wireless) constantly centrally detected and controlled. In addition to this not insignificant energy saving potential due to the elimination of the throttle control LVP heating systems also offer other advantages, which are irrelevant to the invention. Further details of a LVP heating system, the DE 10 2006 041 345 A1 be removed.

Die Nutzung von Informationen, die durch den Einsatz lokaler Versorgungspumpen verfügbar werden, für Zwecke, die nicht unmittelbar im Zusammenhang mit dem Betrieb des LVP-Heizsystems stehen, ist für eine konkrete Anwendung aus der DE 10 2008 038 441 B3 bekannt. Darin ist beschrieben, wie eine betriebsabhängige Größe einer lokalen Versorgungspumpe in die Bestimmung einer repräsentativen Heizkörpertemperatur für eine genauere Bestimmung der Wärmemengenabgabe dieses Heizkörpers einbezogen wird, insbesondere im Rahmen einer Bestimmung der Heizkostenverteilung.The use of information made available through the use of local supply pumps for purposes not directly related to the operation of the LVP heating system is for a specific application from the DE 10 2008 038 441 B3 known. It describes how an operation-dependent variable of a local supply pump is included in the determination of a representative radiator temperature for a more accurate determination of the heat quantity delivery of this radiator, in particular within the framework of a determination of the heating cost distribution.

Aufgabe der Erfindung ist es, ein Heizsystem mit mehreren lokalen Versorgungspumpen systemtechnisch so zu erweitern, dass Informationen über das Verbrauchsverhalten und/oder über das Raumklima, die über rein auf den Betrieb bzw. die Steuerung des LVP-Heizsystems bezogene Informationen hinausgehen, verfügbar gemacht werden.The object of the invention is to systematically expand a heating system with several local supply pumps so that information about the consumption behavior and / or the indoor climate, which go beyond purely related to the operation or the control of the LVP heating system information made available ,

Gelöst wird diese Aufgabe durch ein Informationssystem mit den Merkmalen des Anspruchs 1 und durch ein Verfahren zur Nutzung eines Informationssystems mit den Merkmalen des Anspruchs 7. Vorteilhafte und zweckmäßige Ausgestaltungen des erfindungsgemäßen Informationssystems bzw. des erfindungsgemäßen Verfahrens sind in den zugehörigen Unteransprüchen angegeben.This object is achieved by an information system having the features of claim 1 and by a method for using an information system having the features of claim 7. Advantageous and expedient embodiments of the information system according to the invention and of the method according to the invention are specified in the associated subclaims.

Das erfindungsgemäße Informationssystem basiert auf einem Heizsystem mit mehreren lokalen Versorgungspumpen, die mit einer zentralen Recheneinheit vernetzt sind. Die zentrale Recheneinheit berechnet aktuelle Sollwerte von Betriebsparametern der lokalen Versorgungspumpen und/oder empfängt aktuelle lstwerte von Betriebsparametern der lokalen Versorgungspumpen. Zusätzlich zu den lokalen Versorgungspumpen sind weitere Sensoreinheiten, die nicht unmittelbar im Zusammenhang mit dem grundlegenden Betrieb des Heizsystems stehen, direkt oder indirekt an die zentrale Recheneinheit angekoppelt.The information system according to the invention is based on a heating system with a plurality of local supply pumps, which are networked with a central processing unit. The central processing unit calculates current setpoint values of operating parameters of the local supply pumps and / or receives current actual values from operating parameters of the local supply pumps. In addition to the local supply pumps, additional sensor units that are not directly related to the basic operation of the heating system are coupled directly or indirectly to the central processing unit.

Die Erfindung ermöglicht es, aufbauend auf der vorgegebenen Struktur eines LVP-Heizsystems, mit wenigen zusätzlichen Mitteln ein Informationssystem zu schaffen, das unter anderem über den aufsummierten und augenblicklichen Energieverbrauch in einer einzelnen Wohneinheit und/oder einer ganzen Liegenschaft Auskunft geben kann. Insbesondere kann somit bei einem LVP-Heizsystem durch Nutzung von dessen Infrastruktur und eine erweiterte Auswertung der Betriebsdaten des LVP-Heizsystems in Kombination mit den zusätzlich verfügbaren Sensordaten in sehr effizienter Weise eine Smart-Metering-Funktionalität geschaffen werden.The invention makes it possible, based on the predetermined structure of a LVP heating system, to create an information system with a few additional resources, which can provide information on, among other things, the cumulative and instantaneous energy consumption in a single residential unit and / or an entire property. In particular, a smart metering functionality can thus be created in a LVP heating system by using its infrastructure and an extended evaluation of the operating data of the LVP heating system in combination with the additionally available sensor data in a very efficient manner.

Die zentrale Recheneinheit verfügt vorzugsweise über Mittel zur Auswertung der von den Sensoreinheiten übermittelten Daten in Verbindung mit den Soll-/lstwerten der Betriebsparameter der lokalen Versorgungspumpen.The central processing unit preferably has means for evaluating the data transmitted by the sensor units in conjunction with the setpoint / actual values of the operating parameters of the local supply pumps.

Die Erfindung schafft auch ein Verfahren zur Nutzung eines erfindungsgemäßen Informationssystems. Beim erfindungsgemäßen Verfahren werden von den Sensoreinheiten übermittelte Daten in Verbindung mit Betriebsparametern der lokalen Versorgungspumpen ausgewertet.The invention also provides a method of using an information system according to the invention. In the method according to the invention, data transmitted by the sensor units are evaluated in conjunction with operating parameters of the local supply pumps.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung und aus den beigefügten Zeichnungen, auf die Bezug genommen wird. In den Zeichnungen zeigen schematisch:

  • Figur 1 den Aufbau eines LVP-Heizsystems nach dem Stand der Technik;
  • Figur 2 die Erweiterung des LVP-Heizsystems zu einem erfindungsgemäßen Informationssystem; und
  • Figur 3 einen Heizkörper mit lokaler Versorgungspumpe und einer Kommunikationseinrichtung.
Further features and advantages of the invention will become apparent from the following description and from the accompanying drawings, to which reference is made. In the drawings show schematically:
  • FIG. 1 the construction of a LVP heating system according to the prior art;
  • FIG. 2 the extension of the LVP heating system to an information system according to the invention; and
  • FIG. 3 a radiator with local supply pump and a communication device.

In Figur 1 ist der grundlegende Aufbau eines bestehenden LVP-Heizsystems dargestellt. Eine Heizanlage HA erwärmt ein Heizmedium und wird außerdem zur Warmwasserbereitung (symbolisiert durch WW) genutzt. Über einen von der Heizanlage HA ausgehenden Vorlaufstrang 12 werden mehrere Heizkörper 10 mit dem erwärmten Heizmedium versorgt. Nach dem Durchlauf durch die Heizkörper 10 wird das Heizmedium jeweils in einen Rücklaufstrang 14 abgegeben, der wiederum in die Heizanlage HA mündet.In FIG. 1 the basic structure of an existing LVP heating system is shown. A heating system HA heats a heating medium and is also used for hot water preparation (symbolized by WW). About a starting from the heating system flow line 12 more radiators 10 are supplied with the heated heating medium. After passing through the radiator 10, the heating medium is discharged into a return line 14, which in turn opens into the heating system HA.

Jedem Heizkörper 10 ist eine lokale Versorgungspumpe 16 zugeordnet, die den Durchfluss des Heizmediums durch den jeweiligen Heizkörper 10 individuell regelt. Die lokalen Versorgungspumpen 16 sind mit einem Temperatursensor TR ausgestattet, der fortlaufend die aktuelle Rücklauftemperatur des Heizmediums misst. Die lokalen Versorgungspumpen 16 sind im dargestellten Beispiel am Rücklauf jedes Heizkörpers 10 vorgesehen (könnten grundsätzlich aber auch an anderer Stelle angeordnet sein).Each radiator 10 is associated with a local supply pump 16, which regulates the flow of the heating medium through the respective radiator 10 individually. The local supply pumps 16 are equipped with a temperature sensor T R , which continuously measures the current return temperature of the heating medium. The local supply pumps 16 are provided in the example shown at the return of each radiator 10 (could in principle but also be arranged elsewhere).

Die lokalen Versorgungspumpen 16 sind über ein Bussystem oder in anderer geeigneter Weise (drahtgebunden oder drahtlos) mit einer zentralen Recheneinheit 18 verbunden. Die zentrale Recheneinheit 18 empfängt in kurzen Abständen (z. B. in der Größenordnung von einer Minute) aktuelle Istwerte von Betriebsparametern der lokalen Versorgungspumpen 16. Diese Werte lassen einen Rückschluss auf den Volumenstrom zu, der durch die jeweilige Pumpe 16 bzw. durch den jeweiligen Heizkörper 10 fließt. Außerdem empfängt die zentrale Recheneinheit 18 die von den Temperatursensoren TR gemessenen aktuellen Rücklauftemperaturen des Heizmediums an den Stellen der einzelnen Pumpen 16.The local supply pumps 16 are connected via a bus system or in another suitable manner (wired or wireless) to a central processing unit 18. The central processing unit 18 receives current actual values of operating parameters at short intervals (for example of the order of one minute) The local supply pumps 16. These values allow a conclusion on the flow rate, which flows through the respective pump 16 and through the respective radiator 10. In addition, the central processing unit 18 receives the actual return temperatures of the heating medium measured by the temperature sensors T R at the points of the individual pumps 16.

Im Betrieb des LVP-Heizsystems steuert eine Steuereinheit 20, basierend auf berechneten aktuellen Sollwerten von Betriebsparametern, die lokalen Versorgungspumpen 16 an. Die Sollwerte basieren wiederum auf Vorgaben, die der Nutzer der Wohneinheit über eine zentrale Bedien- und Anzeigeeinheit 22 eingeben kann. Recheneinheit 18, Steuereinheit 20 und/oder Bedien- und Anzeigeeinheit 22 können in einem gemeinsamen Gerät oder in physikalisch getrennten Geräten verwirklicht sein, was für die Funktionalität des LVP-Heizsystems grundsätzlich unerheblich ist. Der Einfachheit halber soll nachfolgend angenommen werden, dass der Begriff Recheneinheit wenigstens die Funktionalitäten der Recheneinheit 18 und der Steuereinheit 20 umfasst.During operation of the LVP heating system, a control unit 20 controls local supply pumps 16 based on calculated current setpoint values of operating parameters. The setpoints are in turn based on specifications that the user of the residential unit can enter via a central operating and display unit 22. Arithmetic unit 18, control unit 20 and / or operating and display unit 22 can be realized in a common device or in physically separate devices, which is basically irrelevant to the functionality of the LVP heating system. For the sake of simplicity, it should be assumed below that the term computing unit comprises at least the functionalities of the arithmetic unit 18 and the control unit 20.

Figur 2 zeigt ein erweitertes LVP-Heizsystem, bei dem zusätzlich zu den lokalen Versorgungspumpen 16 weitere Sensoreinheiten 24 direkt oder indirekt an die zentrale Recheneinheit 18 angekoppelt sind. Als Sensoreinheiten 24 sollen allgemein informationsgebende Einheiten verstanden werden, die auf einem Sensor im weitesten Sinne basieren. Insbesondere zählen hierzu:

  • elektronische Heizkostenverteiler;
  • an den Heizkörpern 10 angebrachte Temperatursensoren;
  • Wärmemengenzähler;
  • Wasserzähler;
  • Stromzähler;
  • Gaszähler;
  • weitere Verbrauchszähler;
  • Feuchtesensoren;
  • CO2-Sensoren;
  • Fensterstellungssensoren;
  • weitere Statusmelder.
FIG. 2 shows an extended LVP heating system in which in addition to the local supply pumps 16 further sensor units 24 are coupled directly or indirectly to the central processing unit 18. As sensor units 24 are generally understood information-giving units based on a sensor in the broadest sense. In particular, these include:
  • electronic heat cost allocators;
  • attached to the radiators 10 temperature sensors;
  • Heat meters;
  • Water meter;
  • Electricity meters;
  • Gas meter;
  • additional consumption meters;
  • Humidity sensors;
  • CO 2 sensors;
  • Window position sensors;
  • further status detectors.

Die von den Sensoreinheiten 24 ermittelten Daten werden indirekt über das vorhandene Netz des LVP-Heizsystems an die zentrale Recheneinheit 18 übermittelt. Hierfür ist an einer, an mehreren oder an allen lokalen Versorgungspumpen 16 eine Datenübertragungsschnittstelle 28 zum Empfangen und/oder Senden von Daten der Sensoreinheiten 24 vorgesehen. Die Datenübertragungsschnittstelle 28 ist an der lokalen Versorgungspumpe 16 selbst oder an deren lokaler Steuereinrichtung 26 (Verteilerbuchse) angeordnet, die üblicherweise einen Endpunkt eines vorhandenen Bussystems darstellt, das die lokalen Versorgungspumpen 16 an die zentrale Recheneinheit 18 anbindet (siehe Figur 3).The data determined by the sensor units 24 are transmitted indirectly via the existing network of the LVP heating system to the central processing unit 18. For this purpose, a data transmission interface 28 for receiving and / or transmitting data of the sensor units 24 is provided on one, at several or at all local supply pumps 16. The data transfer interface 28 is located on the local supply pump 16 itself or on its local controller 26 (distribution box), which typically represents an endpoint of an existing bus system that connects the local supply pumps 16 to the central processing unit 18 (see FIG FIG. 3 ).

Die von den Sensoreinheiten 24 auf Abruf oder fortlaufend in kurzen zeitlichen Abständen gesendeten Daten werden von einer oder mehreren Datenübertragungsschnittstellen 28 empfangen und dann über das vorhandene Netz des LVP-Heizsystems an die zentrale Recheneinheit 18 weitergeleitet. Die Übertragung der Daten der Sensoreinheiten 24 an die Recheneinheit 18 knüpft dabei an die Übertragung der Betriebsparameter der lokalen Versorgungspumpen 16 an die Recheneinheit 18 an, insbesondere hinsichtlich der kurzen zeitlichen Abstände dieser Datenübermittlung.The data sent by the sensor units 24 on demand or continuously at short time intervals is received by one or more data transmission interfaces 28 and then forwarded to the central processing unit 18 via the existing network of the LVP heating system. The transmission of the data of the sensor units 24 to the arithmetic unit 18 is based on the transmission of the operating parameters of the local supply pumps 16 to the arithmetic unit 18, in particular with regard to the short time intervals of this data transmission.

Für die Übertragung der Daten der Sensoreinheiten 24 zu der bzw. den Datenübertragungsschnittstellen 28 ist ein Verfahren basierend auf RFID-Technologie vorgesehen, wobei die Sensoreinheiten 24 mit RFID-Repeatern ausgestattet sind. Insbesondere im Falle eines vorhandenen geeigneten Bussystems fungiert eine lokale Versorgungspumpe 16 als Master, eine Sensoreinheit 24 als Slave.For transmitting the data of the sensor units 24 to the data transmission interface or interfaces 28, a method based on RFID technology is provided, wherein the sensor units 24 are equipped with RFID repeaters. Particularly in the case of an existing suitable bus system, a local supply pump 16 acts as a master, a sensor unit 24 as a slave.

Es kann aber auch klassische Hochfrequenztechnik für die Datenübertragung verwendet werden. Grundsätzlich ist auch eine zumindest teilweise drahtgebundene Verbindung zwischen den Sensoreinheiten 24 und der bzw. den Datenübertragungsschnittstellen 28 möglich. Die Daten der Sensoreinheiten 24 können auch direkt (drahtgebunden oder drahtlos) an die Recheneinheit 18 kommuniziert werden.However, it is also possible to use conventional high-frequency technology for data transmission. In principle, an at least partially wired connection between the sensor units 24 and the data transmission interface or interfaces 28 is also possible. The data of the sensor units 24 can also be communicated directly (wired or wireless) to the computing unit 18.

An der Anzeige- und Bedienvorrichtung 22, die sich in der Wohneinheit befindet, lassen sich die Daten der Sensoreinheiten 24 vom Nutzer jederzeit abrufen, auch in ausgewerteter Form. Die zentrale Recheneinheit 18 verfügt insbesondere über Mittel zur Auswertung der von den Sensoreinheiten 24 übermittelten Daten in Verbindung mit den Soll-/lstwerten der Betriebsparameter der lokalen Versorgungspumpen 16. Die dadurch erreichbare Funktionalität des Systems sollen am Beispiel von zusätzlich vorgesehenen elektronischen Heizkostenverteilern mit integrierten, an die Heizkörper 10 gekoppelten Temperatursensoren kurz erläutert werden.At the display and operating device 22, which is located in the residential unit, the data of the sensor units 24 can be retrieved by the user at any time, even in evaluated form. The central arithmetic unit 18 has in particular means for evaluating the data transmitted by the sensor units 24 in conjunction with the set / actual values of the operating parameters of the local supply pumps 16. The functionality of the system achievable as a result should be exemplified by additionally provided electronic heat cost allocators integrated, coupled to the radiator 10 temperature sensors are briefly explained.

Eine gemeinsame Auswertung der Daten dieser Temperatursensoren zusammen mit den Betriebsparametern der lokalen Versorgungspumpen 16 ermöglicht die Bestimmung der relativen (bei zusätzlicher Kenntnis der absoluten umgesetzten Energiemenge des gesamten Heizsystems auch der absoluten) Wärmemengenabgabe eines Heizkörpers 10 - oder einer beliebigen Gruppe von Heizkörpern 10 innerhalb einer Wohneinheit oder Liegenschaft - innerhalb bestimmter Zeitintervalle (Wochen-, Monats-, Jahresintervalle). Alternativ zu den Heizkostenverteilern sind auch einfache, an den Heizkörpern 10 angebrachte Temperatursensoren 30 ausreichend, wie in Figur 3 dargestellt.A joint evaluation of the data of these temperature sensors together with the operating parameters of the local supply pumps 16 allows the determination of the relative (with additional knowledge of the absolute amount of energy of the entire heating system and the absolute absolute) heat quantity delivery of a radiator 10 - or any group of radiators 10 within a residential unit or property - within certain time intervals (weekly, monthly, annual intervals). As an alternative to the heat cost allocators, simple temperature sensors 30 attached to the radiators 10 are also sufficient, as in FIG FIG. 3 shown.

Durch die Einbindung eines DIN-Norm-konformen repräsentativen Temperaturmesspunktes am Heizkörper 10 können die DIN-Normen für elektronische Heizkostenverteilersysteme direkt erfüllt werden. Die Bestimmung der Wärmemengenabgaben ermöglicht nach weiterer Einspielung der notwendigen Daten bezüglich des Primärenergieaufwands (Gas-, Strom-, Brennstoff- und/oder Fernwärmemenge) sowie der Betriebskosten von geeigneter Stelle die Durchführung einer vollständigen Heizkostenabrechnung durch einen Abrechnungsdienstleister.By incorporating a DIN standard-compliant representative temperature measurement point on the radiator 10, the DIN standards for electronic heat cost allocation systems can be met directly. The determination of the heat quantity deliveries makes it possible, after further recording of the necessary data regarding the primary energy expenditure (gas, electricity, fuel and / or district heat) and the operating costs of a suitable location, to carry out a complete heating billing by a billing service provider.

Speziell für den Zweck der Bestimmung der Wärmemengenabgabe ist der Einsatz von RFID-Technologie besonders vorteilhaft, weil sie eine leichte Identifizierung der Temperatursensoren und eine zuverlässige und kostengünstige Kommunikation zwischen den Sensoren und den Datenübertragungsschnittstellen 28 gewährleistet.Especially for the purpose of determining the heat quantity delivery, the use of RFID technology is particularly advantageous because it ensures easy identification of the temperature sensors and reliable and cost-effective communication between the sensors and the data transmission interfaces 28.

Bei einem systemtechnisch erweiterten LVP-Heizsystem kann bei entsprechend eingebundenen Sensoreinheiten 24 die Anzeige- und Bedienvorrichtung 22 zur interaktiven Darstellung des aufsummierten und augenblicklichen Energieverbrauchs der Wohneinheit genutzt werden. Der so gestattete zeitnahe und spontane Zugang des Nutzers zu den wesentlichen Daten, die ihm (ggf. in ausgewerteter Form) sein aktuelles und sein Langzeit-Verbrauchsverhalten offenlegen, entspricht einer Smart-Metering-Funktionalität unter Ausnutzung der vorhandenen Infrastruktur des LVP-Heizsystems.In a system-technically extended LVP heating system, the display and operating device 22 can be used for interactively displaying the accumulated and instantaneous energy consumption of the residential unit in the case of appropriately integrated sensor units 24. The timely and spontaneous access of the user to the essential data allowing him (possibly in an evaluated form) to disclose his current and long-term consumption behavior corresponds to smart metering functionality using the existing infrastructure of the LVP heating system.

Selbstverständlich lassen sich auch in größerem Rahmen durch einen Dienstleister aktuelle und aufsummierte Verbrauchsdaten erheben, insbesondere in Bezug auf mehrere Wohneinheiten und Liegenschaften. Nutzer können nach einer entsprechenden Authentifizierung beim Dienstleister Zugriff auf die Verbrauchsdaten ihrer Wohneinheit erhalten, wobei die Daten vom Dienstleister auf einen mobilen Empfänger (Mobiltelefon, etc.) übertragen oder über ein Internet-Portal oder in Form einer individuell vorkonfigurierten Website verfügbar gemacht werden können. Auf diese Weise kann ein Nutzer z. B. die Heizkostenabrechnung eines Abrechnungsdienstleisters verifizieren.Of course, a service provider can also collect up-to-date and accumulated consumption data on a larger scale, especially with regard to several residential units and properties. Users can search for one receive corresponding authentication at the service provider access to the consumption data of their housing unit, the data from the service provider to a mobile receiver (mobile phone, etc.) can be transmitted or made available via an Internet portal or in the form of an individually preconfigured website. In this way, a user z. B. verify the billing of a billing service provider.

Claims (10)

Informationssystem, basierend auf einem Heizsystem mit mehreren lokalen Versorgungspumpen (16), die mit einer zentralen Recheneinheit (18) vernetzt sind, wobei die zentrale Recheneinheit (18) aktuelle Sollwerte von Betriebsparametern der lokalen Versorgungspumpen (16) berechnet und/oder aktuelle lstwerte von Betriebsparametern der lokalen Versorgungspumpen (16) empfängt,
dadurch gekennzeichnet, dass zusätzlich zu den lokalen Versorgungspumpen (16) weitere Sensoreinheiten (24), die nicht unmittelbar im Zusammenhang mit dem grundlegenden Betrieb des Heizsystems stehen, direkt oder indirekt an die zentrale Recheneinheit (18) angekoppelt sind.Information system based on a heating system with a plurality of local supply pumps (16) networked to a central processing unit (18), the central processing unit (18) calculating current setpoint values of operating parameters of the local supply pumps (16) and / or current actual values of operating parameters receives the local supply pump (16),
characterized in that in addition to the local supply pumps (16) further sensor units (24), which are not directly related to the basic operation of the heating system, are coupled directly or indirectly to the central processing unit (18). Informationssystem nach Anspruch 1, dadurch gekennzeichnet, dass die zentrale Recheneinheit (18) über Mittel zur Auswertung der von den Sensoreinheiten (24) übermittelten Daten in Verbindung mit den Soll-/lstwerten der Betriebsparameter der lokalen Versorgungspumpen (16) verfügt.Information system according to Claim 1, characterized in that the central processing unit (18) has means for evaluating the data transmitted by the sensor units (24) in conjunction with the setpoint / actual values of the operating parameters of the local supply pumps (16). Informationssystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die weiteren Sensoreinheiten (24) von wenigstens einem der folgenden Typen sind: elektronischer Heizkostenverteiler; an einem Heizkörper (10) angebrachter Temperatursensor; Verbrauchszähler, insbesondere Wärmemengenzähler, Wasserzähler, Stromzähler oder Gaszähler; Feuchtesensor; CO2-Sensor; Statusmelder, insbesondere Fensterstellungssensor.Information system according to claim 1 or 2, characterized in that the further sensor units (24) are of at least one of the following types: electronic heat cost allocator; on a radiator (10) mounted temperature sensor; Consumption meters, in particular heat meters, water meters, electricity meters or gas meters; Humidity sensor; CO 2 sensor; Status detector, in particular window position sensor. Informationssystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass an einer lokalen Versorgungspumpe (16), insbesondere an deren lokaler Steuereinrichtung (24), eine Datenübertragungsschnittstelle (28) zum Empfangen und/oder Senden von Daten einer Sensoreinheit (24) vorgesehen ist.Information system according to one of the preceding claims, characterized in that a data transmission interface (28) for receiving and / or transmitting data of a sensor unit (24) is provided at a local supply pump (16), in particular at its local control device (24). Informationssystem nach Anspruch 4, dadurch gekennzeichnet, dass die Übertragung von Daten zwischen der Sensoreinheit (24) und der Datenübertragungsschnittstelle (28) auf RFID-Technologie basiert.Information system according to Claim 4, characterized in that the transmission of data between the sensor unit (24) and the data transmission interface (28) is based on RFID technology. Informationssystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Anzeige- und Bedienvorrichtung (22) des Heizsystems zur Anzeige von Daten der Sensoreinheiten (24) eingerichtet ist.Information system according to one of the preceding claims, characterized in that a display and operating device (22) of the heating system for displaying data of the sensor units (24) is set up. Verfahren zur Nutzung eines Informationssystems nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass von den Sensoreinheiten (24) übermittelte Daten in Verbindung mit Betriebsparametern der lokalen Versorgungspumpen (16) ausgewertet werden.Method for using an information system according to one of the preceding claims, characterized in that of the sensor units (24) transmitted data in conjunction with operating parameters of the local supply pumps (16) are evaluated. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass durch eine gemeinsame Auswertung der Daten von Temperatursensoren, die an Heizkörpern (10) des Heizsystems angebracht oder an diese gekoppelt sind, zusammen mit den Betriebsparametern der lokalen Versorgungspumpen (16) die Wärmemengenabgabe der Heizkörper (10) bestimmt wird, insbesondere innerhalb eines Abrechnungszeitintervalls im Rahmen einer Heizkostenabrechnung.A method according to claim 7, characterized in that by a common evaluation of the data from temperature sensors which are mounted on radiators (10) of the heating system or coupled to this, together with the operating parameters of the local supply pumps (16), the heat quantity output of the radiator (10). is determined, in particular within a billing time interval in the context of a heating billing. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass auf einer interaktiven Anzeige- und Bedienvorrichtung (22) des Heizsystems Daten bezüglich des aufsummierten und/oder augenblicklichen Energieverbrauchs einer Wohneinheit dargestellt werden.A method according to claim 7, characterized in that on an interactive display and control device (22) of the heating system, data relating to the accumulated and / or instantaneous energy consumption of a residential unit are displayed. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass ein Nutzer nach einer Authentifizierung bei einem Dienstleister Zugriff auf die mittels des Informationssystems erhobenen Verbrauchsdaten seiner Wohneinheit erhält, wobei die Verbrauchsdaten insbesondere auf einen mobilen Empfänger übertragen oder über ein Internet-Portal oder in Form einer individuell vorkonfigurierten Website verfügbar gemacht werden.A method according to claim 7, characterized in that a user after authentication at a service provider receives access to the collected by the information system consumption data of his residential unit, the consumption data in particular transmitted to a mobile receiver or via an Internet portal or in the form of an individually preconfigured Website be made available.
EP11003877.5A 2010-05-20 2011-05-11 Information system based on a heating system with local supply pumps and method for using the information system Active EP2392867B1 (en)

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