Method for operating state monitoring of a heating system, method for controlling a heating system, and a heating system

Abstract

A method for monitoring the operating state of a heating system of a building, which includes at least one heating circuit for heating at least one room of the building, wherein the heating circuit can be switched at least between an operating state heating the room and an operating state not heating the room. The method includes detecting an outside temperature of the building, determining a consumption prediction value as a function of the detected outside temperature, which describes an expected energy consumption of the heating system for heating the at least one room, determining a setpoint value for an operating state parameter of the heating system 1 on the basis of the determined consumption prediction value, wherein the operating state parameter determines an operating state of the heating circuit, and outputting a setpoint value signal corresponding to the determined setpoint value.

1 . A method for monitoring the operating state of a heating system of a building, which comprises a heating circuit for heating at least one room of the building, wherein the heating circuit can be switched at least between an operating state heating the room and an operating state not heating the room, comprising:
 providing a consumption prediction function, which describes, at least as a function of an outside temperature of the building, a probability that an expected energy consumption of the heating system for heating the at least one room is equal to or greater than a defined energy consumption limit value, wherein a target set of the consumption prediction functions comprises a plurality of continuously distributed probability values for this purpose,   detecting the outside temperature of the building;   determining a consumption prediction value as a function of the provided consumption prediction function and the detected outside temperature, wherein the consumption prediction value describes an expected energy consumption of the heating system for heating the at least one room;   determining a setpoint value for an operating state parameter of the heating system, which determines an operating state of the heating circuit, on the basis of the determined consumption prediction value; and   outputting a setpoint value signal corresponding to the determined setpoint value.   
     
     
         2 . The method according to  claim 1 , wherein
 the operating state parameter can be represented at least as a first value and a second value, wherein the first value corresponds to the heating operating state and the second value corresponds to the non-heating operating state, and   wherein the determination of the setpoint value for the operating state parameter is carried out in such a way that   the setpoint value corresponds to the first value if the determined consumption prediction value is greater than a predetermined first threshold value, and   the setpoint value corresponds to the second value if the determined consumption prediction value is less than a predetermined second threshold value.   
     
     
         3 . The method according to  claim 1 , wherein
 the method further comprises:
 detecting a plurality of additional outside temperatures, which are detected at time intervals from one another; 
   and wherein determining the consumption prediction value further comprises:
 determining an average outside temperature from a set of values, comprising the detected outside temperature and the detected plurality of additional outside temperatures; and 
 determining a minimum outside temperature from the set of values; 
   wherein the provided consumption prediction function describes the expected energy consumption as input variables as a function of an average outside temperature and a minimum outside temperature,   and wherein determining the consumption prediction value is carried out on the basis of the provided consumption prediction function and the determined average outside temperature and the determined minimum outside temperature as input variables of the consumption prediction function.   
     
     
         4 . The method according to  claim 3 , wherein
 the detection of the plurality of additional outside temperatures is carried out over N days, where N≥1, wherein a plurality of outside temperatures is respectively detected for each of the N days,   wherein determining the average outside temperature in turn comprises:
 determining respective daily averages of the outside temperatures for each of the N days; 
 determining a first average value from the determined daily averages of the N days; and 
 outputting the determined first average value as the average outside temperature; 
   and wherein determining the minimum outside temperature in turn comprises:
 determining respective daily minima of the outside temperature for each of the N days; 
 determining a second average value from the determined daily minima of the N days; and 
 outputting the determined second average value as the minimum outside temperature. 
   
     
     
         5 . The method according to  claim 1 , wherein
 providing the consumption prediction function comprises:
 providing a plurality of heating systems, which are respectively assigned to a building and respectively comprise at least one heating circuit for heating at least one room of the respective building; 
 setting the energy consumption limit value; 
 detecting operating data and environmental data of the provided plurality of heating systems, in turn for each heating system of the plurality of heating systems, comprising: 
 detecting a plurality of outside temperatures of the respective building, which are respectively detected at predetermined points in time over a predetermined period of time; and 
 detecting a plurality of energy consumption values, which respectively describe the energy consumption of the heating system for heating the at least one room of the respective building and are detected at the predetermined points in time; 
 determining the consumption prediction function on the basis of the outside temperatures detected during the detection of operating data and environmental data and energy consumption values as well as the defined energy consumption limit value. 
   
     
     
         6 . The method according to  claim 1 , characterized by
 retrieving weather data from a weather service for a region of the building;   wherein detecting the outside temperature comprises outputting a temperature measurement value contained in the retrieved weather data as the detected outside temperature,   and/or wherein determining the consumption prediction value is additionally carried out as a function of the retrieved weather data.   
     
     
         7 . The method according to  claim 1 , characterized by
 detecting an actual value of the operating state parameter of the heating circuit; and   outputting an actual value signal corresponding to the detected actual value.   
     
     
         8 . The method according to  claim 7 , characterized by
 transmitting the setpoint value signal and the actual value signal to a user interface device coupled to the heating system; and   displaying the actual value and setpoint value for the operating state parameter transmitted with the signals on a display unit of the user interface device.   
     
     
         9 . The method according to  claim 7 , characterized by
 outputting a notification signal based on the actual value signal and the setpoint value signal, wherein the notification signal is output when the actual value corresponding to the actual value signal is not equal to the setpoint value corresponding to the setpoint value signal;   transmitting the notification signal to a user interface device coupled to the heating system, wherein the notification signal causes the user interface device to display a notification on a display unit of the user interface device that recommends switching of the operating state of the heating circuit.   
     
     
         10 . The method according to  claim 8 , wherein
 the user interface device is an operating console of the heating system and/or a mobile terminal and/or a building control system coupled to the heating system and/or a cloud-based control platform for the heating system.   
     
     
         11 . A method for controlling a heating system of a building, which comprises a heating circuit for heating at least one room of the building, wherein the heating circuit can be switched at least between an operating state heating the room and an operating state not heating the room, comprising:
 monitoring an operating state of the heating system according to a method for operating state monitoring according to  claim 1 ;   transmitting the setpoint value signal output in the course of monitoring the operating state to a control device of the heating system;   controlling the heating system by means of the control device depending on the setpoint value for the operating state parameter of the heating circuit transmitted with the setpoint value signal.   
     
     
         12 . A heating system for use in a building, comprising:
 a control device, which is configured to control the heating system;   a heating circuit, which is configured to heat at least one room of the building and can be switched via the control device at least between an operating state heating the room and an operating state not heating the room;   a monitoring device for monitoring the operating state of the heating system; and   a temperature detection device coupled to the monitoring device, which is configured to detect an outside temperature of the building;   wherein the monitoring device comprises a memory unit, in which a consumption prediction function is stored and provided for use by the monitoring device, which describes, at least as a function of an outside temperature of the building, a probability that an expected energy consumption of the heating system for heating the at least one room is equal to or greater than a defined energy consumption limit value, wherein a target set of the consumption prediction functions comprises a plurality of continuously distributed probability values for this purpose, and   wherein the monitoring device is configured to determine, as a function of an outside temperature detected by the temperature detection device and the consumption prediction function provided in the memory unit, a consumption prediction value, which describes an expected energy consumption of the heating system for heating the at least one room, to determine, on the basis of the determined consumption prediction value, a setpoint value for an operating state parameter, which determines an operating state of the heating circuit, and to output a setpoint value signal corresponding to the determined setpoint value.