Method for adapting a heating curve

Patent metadata

Field	Value
Publication number	US-10801737-B2
Application number	US-201415028576-A
Country	US
Kind code	B2
Filing date	Oct 8, 2014
Priority date	Oct 15, 2013
Publication date	Oct 13, 2020
Grant date	Oct 13, 2020

Abstract

A method for adapting the control of the feed temperature of a heating installation to a building to be heated or at least to a building part to be heated, with which the heating installation supplies the building or the building part with heat by way of a heat transfer medium led in the circuit. The circuit comprises at least one temperature-controlled heating circuit. The flow rate of the heat transfer medium in the circuit is registered in a continuous manner or in temporal intervals. The adaptation of the control of the feed temperature is effected automatically in dependence on the registered values.

First claim

The invention claimed is:

1. A method for adapting a control of a feed temperature of a heating installation to a building to be heated or at least to a building part to be heated, the method comprising the steps of:
supplying, with the heating installation, the building or the building part with heat by way of a heat transfer medium led in a circuit, the heating installation comprising a boiler, the boiler comprising boiler control electronics;
providing the circuit such that the circuit comprises at least one temperature-controlled heating circuit;
registering a flow rate of the heat transfer medium in the circuit in a continuous manner or in temporal intervals to provide registered values; and
effecting an adaptation of the control of the feed temperature automatically in dependence on the registered values via adaptation of a heating curve which determines the feed temperature of the heat transfer medium based on an outer temperature, wherein the adaptation of the control of the feed temperature or of the heating curve of the heating installation is effected by way of adapting an outer temperature signal for a heating control in pump control electronics of a pump circulating the heat transfer medium to provide feed temperature setpoint data, the pump control electronics being connected to the boiler control electronics via a data connection, wherein the boiler control electronics receive the feed temperature setpoint data from the pump control electronics via the data connection.

2. The method according to claim 1 , wherein the outer temperature or the feed temperature is also registered, the outer temperature being detected via a temperature sensor, the temperature sensor being connected to the pump control electronics via another data connection.

3. The method according to claim 2 , wherein the registration of the flow rate and, of the temperature is effected in temporal intervals between five minutes and three hours.

4. The method according to claim 1 , wherein only a number of the lastly registered values are evaluated, of a last twelve hours to thirty days, for the adaptation of the control of the feed temperature.

5. The method according to claim 1 , wherein for the adaptation of the heating curve a heating curve steepness is changed or the heating curve steepness is displaced in a parallel manner or a heating curve steepness is changed and the curve steepness is displaced in a parallel manner.

6. The method according to claim 1 , wherein a distribution of registered flow rate values is effected and the distribution is statistically evaluated, wherein a maximal value of the registered flow rate values, a minimal value of the flow rate values and a mean value of the flow rate values are determined, wherein the mean value represents a concentration in the distribution of the flow rate values.

7. The method according to claim 6 , wherein the feed temperature is increased or a heating curve is displaced towards higher feed temperatures when the mean value lies closer to the maximal value than to the minimal value, and the feed temperature is lowered or the heating curve is displaced towards lower feed temperatures when the mean value lies closer to the minimal value than to the maximal value.

8. The method according to claim 6 , wherein the feed temperature is increased or a heating curve is set more steeply, if the distribution of the flow rate values over at least a one year time period has a concentration close to the maximal value.

9. The method according to claim 6 , wherein the feed temperature is lowered or a heating curve is set with a decreased steepness, if the distribution of the flow rate values over a year time period has two concentrations between the maximal value and the minimal value.

10. The method according to claim 1 , wherein the heating curve is set more steeply if the flow rate increases with an increasing feed temperature or falling outer temperature.

11. The method according to claim 1 , wherein the heating curve is set with a decreased steepness if the flow rate drops with a falling feed temperature or increasing outer temperature.

12. The method according to claim 1 , wherein the heating curve is displaced towards higher feed temperatures if the flow rate drops with an increasing feed temperature or with a falling outer temperature.

13. The method according to claim 1 , wherein the heating curve is displaced towards lower feed temperatures if the flow rate increases with a falling feed temperature or with an increasing outer temperature.

14. The method according to claim 1 , wherein the boiler control electronics are located at a spaced location from the control of the feed temperature or of the heating curve of the heating installation, wherein the boiler control electronics are a separate control from the control of the feed temperature or of the heating curve of the heating installation.

15. The method according to claim 14 , wherein the control of the feed temperature or of the heating curve of the heating installation forms part of a frequency converter of the pump circulating the heat transfer medium.

16. A control, the control being a part of control electronics of an electronic speed controller of a heating circulation pump or at least forms a construction unit with the heating circulation pump, the control being configured to:
supply, with a heating installation, a building or a building part with heat by way of a heat transfer medium led in a circuit;
provide the circuit as at least one temperature-controlled heating circuit;
register a flow rate of the heat transfer medium in the circuit in a continuous manner or in temporal intervals;
effect an adaptation of the control of a feed temperature automatically in dependence on registered values via adaptation of a heating curve which determines the feed temperature of the heat transfer medium based on an outer temperature, wherein the adaptation of the control of the feed temperature or of the heating curve of the heating installation is effected by way of adapting an outer temperature signal for a heating control in control electronics of a pump circulating the heat transfer medium to provide feed temperature setpoint data; and
provide the feed temperature setpoint data to a boiler controller of a boiler of the heating installation via a data connection, the data connection being connected to the boiler controller and the control.

17. The control according to claim 16 , wherein an input for a signal of an outer temperature probe as well as an output for a temperature signal are provided, wherein the control comprises means for adapting the outgoing temperature signal for a simulation of the adaptation of the feed temperature control or of a heating curve of the heating installation.

18. A heating circulation pump, wherein a temperature sensor is arranged in the heating circulation pump for detecting a feed temperature; and
a control as a part of control electronics of an electronic speed controller of the heating circulation pump or forming a construction unit with the heating circulation pump, the control being configured to:
supply, with a heating installation, a building or a building part with heat by way of a heat transfer medium led in a circuit;
provide the circuit as at least one temperature-controlled heating circuit;
register a flow rate of the heat transfer medium in the circuit in a continuous manner or in temporal intervals; and
effect an adaptation of the control of the feed temperature automatically in dependence on registered values via adaptation of a

Assignees

• Grundfos Holding As

Inventors

• Blad Thomas

Classifications

• F04D15/0066

  by changing the speed, e.g. of the driving engine · CPC title

• G05D23/1934

  each space being provided with one sensor acting on one or more control means · CPC title

• Y02B30/70

  Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating · CPC title

• F04D15/00

  Control, e.g. regulation, of pumps, pumping installations or systems · CPC title

• Y02B30/745

  Cross-Sectional Technologies · mapped topic