Method for carrying out an automated hydraulic compensation of a heating installation
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Solution Overview
Problem
Current methods for hydraulic balancing in heating systems are inefficient and require additional components, lacking precision in temperature control and energy optimization, leading to suboptimal heat distribution and increased energy consumption.
Innovation Solution
An automated method for hydraulic balancing that uses temperature sensors in the flow and return lines of a heating system to adjust valve positions, ensuring optimal heat distribution by minimizing the temperature difference between flow and return temperatures, thereby optimizing energy consumption without additional components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If automated hydraulic balancing is implemented without additional components, then device complexity is reduced and cost is lowered, but measurement precision and control accuracy may be insufficient
Solution Approach 1:
The existing temperature sensors in the heating system are made to serve dual purposes: their original function for basic temperature monitoring and an additional function for precise hydraulic balancing measurements. The control unit processes these sensor signals to determine temperature differences and automatically adjust valve positions, eliminating the need for separate balancing instruments while maintaining measurement precision.
Solution Approach 2:
The heating system performs its own hydraulic balancing using its existing components (temperature sensors and control unit) without requiring external balancing equipment. The system automatically measures temperature differences, calculates flow distribution, and adjusts valves based on its own operational data, making the balancing process self-contained and eliminating additional device requirements.
2Measurement precision
If manual hydraulic balancing is performed, then measurement precision can be maintained, but productivity and time consumption increase significantly
Solution Approach 1:
The control unit continuously monitors temperature differences between supply and return lines and uses this feedback to automatically adjust valve positions. The system measures the actual thermal performance, compares it with target values, and iteratively adjusts flows until optimal balancing is achieved, maintaining precision while automating the process for faster execution.
Solution Approach 2:
The manual mechanical balancing process is replaced by an automated control system that uses electronic sensor signals and automated valve actuation. The control unit processes temperature data and automatically positions valves without manual intervention, significantly reducing the time required while maintaining the precision of temperature-based balancing measurements.
3Loss of energy
If temperature-based hydraulic balancing is used, then energy optimization is improved, but device complexity increases due to additional sensors and control systems
Solution Approach 1:
The temperature sensors and control unit are made multi-functional: they serve both for basic heating control and for precise hydraulic balancing to optimize energy consumption. By using the same sensors for dual purposes, the system achieves energy optimization without adding dedicated balancing sensors, thus avoiding increased device complexity.
Solution Approach 2:
The heating system uses its own existing temperature monitoring infrastructure to perform energy-optimizing hydraulic balancing. The control unit analyzes temperature differences across the system and automatically adjusts valve positions to minimize energy consumption, allowing the system to optimize its own energy use without requiring additional energy-monitoring equipment or increasing overall system complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The method ensures robust, fast, and precise heat distribution to all heat consumers, reducing energy consumption by optimizing the heating system's efficiency and eliminating the need for external intervention or extra components.
Implementation Method 1
a temperature sensor in the flow line of the heat generator, and preferably a temperature sensor in the return line of the heat generator
Implementation Method 2
adjusting the volume flow of heating medium through the heat consumers
Implementation Method 3
a heat generator, at least one heat consumer with at least one valve... produces heat, which can then be transferred to a heat transfer medium
Data Source
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AI summary
The invention relates to a method for automatically performing a hydraulic balancing of a heating system (10), comprising at least one heat generator (12), at least one heat consumer (16, 18, 20) with at least one valve (22, 24, 26), a temperature sensor (28 , 30, 32) in the flow of the heat generator (12) and/or a temperature sensor (34, 36, 38) in the return of the heat generator (12). It is proposed that the heat consumer (16, 18, 20) with the lowest return temperature is determined and that, based on the lowest return temperature, a valve position for the valve (22, 24, 26) of the heat consumer (16, 18, 20) is determined in such a way it is determined that all return temperatures are within a specified range. The invention further relates to a heating system that is automatically hydraulically balanced using such a method.