Heating Assembly Valve Control for Demand-Based Heat Storage Coupling
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Solution Overview
Problem
Existing heating systems that utilize heat accumulators to support heat generators inefficiently consume electrical power as the heat accumulator is often coupled into the heating circuit without a corresponding heat demand, leading to unnecessary energy expenditure.
Innovation Solution
The heat accumulator is only coupled into the heating circuit when a heat request is made to the heat generator, using a cost-effective three-way switching valve with spring return that consumes electrical power only during active heating support, decoupling when no demand is present for a certain period.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the heat accumulator is coupled into the heating circuit whenever its temperature exceeds the return temperature (minus hysteresis), then the heating support function is improved, but electrical energy consumption increases due to unnecessary valve operation
Solution Approach 1:
The control device checks for heat demand before coupling the heat accumulator into the heating circuit. This preliminary verification ensures that the switching valve is only actuated when both temperature conditions and heat demand are satisfied, preventing unnecessary electrical power consumption while maintaining reliable heating support when actually needed
2Use of energy by moving object
If the heat accumulator is decoupled from the heating circuit when no heat demand is present, then electrical energy consumption is reduced, but the heating support function may be compromised
Solution Approach 1:
The control device continuously monitors heat demand signals from the heating system and uses this feedback to determine when to couple or decouple the heat accumulator. This feedback mechanism ensures the heat accumulator remains coupled when heating support is needed and is decoupled when not needed, optimizing both energy consumption and heating support reliability
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
This approach significantly reduces electrical energy consumption by limiting power usage to periods when heating support from the heat accumulator is necessary, thereby enhancing energy efficiency.
Implementation Method 1
heat stored in a heat accumulator (in this case a solar accumulator) is then fed to a heating circuit of the heat generator
Data Source
Figure 1
AI summary
The invention relates to a method for operating a heating system in which heat stored in a heat storage tank (1) is supplied to a heating circuit (3) of the heat generator (2) to support the heat generator (2) when a higher temperature is detected in the heat storage tank (1) than at the return line of the heating circuit (3). According to the invention, the heat stored in the heat storage tank (1) is also supplied to the heating circuit (3) only when a heat demand is simultaneously placed on the heat generator (2), and electrical power is supplied to a diverting valve of a heat distribution device (7), which directs the heating circuit medium either directly back to the heat generator (2) or into the heat storage tank (1), only as long as the heat storage tank (1) is connected to the heating circuit (3).