Heating system and interface unit

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Solution Overview

Problem

Existing heating systems with heat pumps often suffer from suboptimal performance due to incorrect conduit dimensions and lack of expertise in hydraulic installations, leading to inefficient energy use and potential overheating or underheating.

Innovation Solution

The integration of an electronic control unit within an interface unit that couples the heat pump to the heat generating device, allowing for bidirectional control information exchange and enabling the interface unit to manage the hydraulic installation, including piping, pumps, and valves, to optimize energy efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If a heat pump is installed to improve energy efficiency, then energy consumption is reduced, but the system complexity increases due to complex hydraulic installation requirements

Engineering Contradiction:
Improveenergy efficiencyVSAvoidhydraulic installation complexity
Core Design Contradiction:
Use of energy by moving objectVSDevice complexity

Solution Approach 1:

The patent introduces a pre-assembled interface unit as an intermediary component between the heat pump and the heating system. This interface unit contains all necessary hydraulic components (piping, pumps, expansion tanks, buffer tanks, valves, filters, separators) pre-configured and pre-tested, serving as a mediator that simplifies the complex hydraulic installation requirements while maintaining the energy efficiency benefits of the heat pump system.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The interface unit is pre-assembled and pre-configured with all hydraulic components before installation at the customer site. The complex hydraulic installation work is performed in advance during manufacturing, allowing the installer to simply connect pre-assembled units without needing specialized hydraulic knowledge, thus reducing on-site complexity while preserving system performance.

Inventive Principle:
Principle #10Preliminary action

2Ease of operation

If traditional interface units are used with basic control, then installation is simplified, but the response to heat demand changes is slow and energy efficiency is compromised

Engineering Contradiction:
Improveinstallation simplicityVSAvoidresponse to heat demand
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The interface unit incorporates electronic control systems with sensors that continuously monitor temperature, flow rates, and heat demand. This feedback mechanism allows the system to automatically adjust hydraulic parameters and heat pump operation in real-time based on actual conditions, ensuring rapid response to heat demand changes while maintaining optimal energy efficiency, all within a pre-assembled unit that remains easy to install.

Inventive Principle:
Principle #23Feedback

3Loss of time

If installers lack expertise in hydraulic installations, then installation time is reduced, but system performance deteriorates due to incorrect component configuration

Engineering Contradiction:
Improveinstallation timeVSAvoidsystem performance
Core Design Contradiction:
Loss of timeVSReliability

Solution Approach 1:

All hydraulic components are pre-assembled, pre-configured, and pre-tested at the manufacturing stage with optimal settings. This preliminary action ensures that even inexperienced installers can achieve optimal system performance by simply connecting pre-configured units, eliminating the need for specialized hydraulic knowledge during installation while maintaining high system reliability.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The interface unit is designed as a self-contained, self-explanatory module with clear connection points and standardized interfaces. The unit essentially installs itself through simple mechanical connections, reducing dependency on installer expertise while ensuring correct configuration through factory-prepared internal arrangements.

Inventive Principle:
Principle #25Self-service

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 solution ensures optimal efficiency and responsiveness of the heating system by allowing the interface unit to adjust operations based on real-time heat demand, preventing inefficiencies and prolonging the lifespan of the heat pump.

Implementation Method 1

heat is transferred via a heat exchanger to the heat generating device

Methodology Applied
Scientific EffectHeat exchanger: Heat Exchanger

Implementation Method 2

electronic connection which is coupled for exchange of control information to the control device of the heat pump

Methodology Applied
Scientific EffectElectronic signal transmission:

Data Source

PatentEP4538601A1Heating system and interface unit
Publication Date: 2025.04.16 DTKS HOLDING BV
  • EP4538601A1 patent drawingFigure 1
  • EP4538601A1 patent drawingFigure 2
  • EP4538601A1 patent drawingFigure 3

AI summary

A heating system comprises a heat pump (10) which is coupled for heat-exchanging contact to a heat delivery installation (60). The heat pump is connected via an interface unit (300) to the heat generating device (60). The interface unit comprises a unit housing with primary connections (31, 32) for connection of respectively the feed (10A) and return (10R) conduit of the heat pump (10) and secondary connections (37, 38) for connection of respectively a feed (60A) and return (60R) conduit of the heat generating device (60), and additionally an electronic unit control (E3) which is coupled for exchange of control information to the control device (E1) of the heat pump. The connections (31, 32, 37, 38) form part of a hydraulic installation (50) inside the unit housing (30) which comprises one or more components from a group of piping, pumps, expansion tanks, buffer tanks and accessories such as electronic control valves, electronic sensors, filters, separators and fittings.