System and method for controlling a heat pump
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Solution Overview
Problem
Existing energy management systems face challenges in integrating and upgrading heat pumps of different control types and manufacturers, leading to compatibility issues and increased operational stress, which complicates efficient energy management.
Innovation Solution
An energy system with an inverter and system control that uses a heat pump configuration file to facilitate communication and control of heat pumps with various control types, including set power, set temperature, SG-Ready specification, and heat pump electricity meter simulation, allowing flexible integration and replacement of heat pumps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional heat pumps with different control types are integrated into the energy system, then the compatibility and flexibility of the energy management system is improved, but the device complexity and integration difficulty increase
Solution Approach 1:
The energy management system implements a universal control interface that can communicate with multiple heat pump control types (set power, set temperature, SG-Ready, electricity meter simulation) through a single standardized protocol, allowing one system to perform multiple compatibility functions without requiring separate integration paths for each heat pump type
Solution Approach 2:
A standardized control interface acts as an intermediary layer between the energy management system and diverse heat pump controls, translating between different proprietary protocols and a common communication standard, thereby simplifying integration without requiring modifications to the heat pumps themselves
2Ease of operation
If heat pumps are hard switched on and off for simple control, then the ease of operation is improved, but the reliability and service life of heat pump components deteriorate
Solution Approach 1:
The control system transitions from static hard switching to dynamic control by implementing gradual power adjustment and soft start/stop sequences that adapt to real-time system conditions, thereby maintaining operational simplicity while protecting components from mechanical stress
Solution Approach 2:
The system implements periodic control cycles with gradual power ramping and controlled shutdown sequences, replacing instantaneous on/off actions with time-distributed control steps that reduce mechanical冲击 to heat pump components while maintaining effective power management
3Measurement precision
If the source code is adapted for each specific heat pump control type, then the measurement precision and control accuracy are improved, but the loss of time and manufacturing cost increase
Solution Approach 1:
A universal control interface with standardized communication protocols enables the energy management system to accurately control multiple heat pump types without requiring separate source code implementations, achieving both precision and efficiency through a single multi-functional solution
Solution Approach 2:
The system uses template-based configuration files that store control parameters and communication settings for different heat pump types, allowing rapid deployment of accurate control logic through configuration copying rather than program rewriting, thereby maintaining precision while reducing integration time
Data Source
AI summary
Energy system (1) comprising an inverter (3) for converting an electrical direct voltage into an alternating voltage which can be used to supply electrical consumption units (4) of the energy system (1) and can be converted into heat by means of at least one heat pump (7) of the energy system (1), characterised in that in that the heat pump (7) can be controlled by means of a system control (10) of the energy system (1) via a control interface (12) in accordance with a heat pump configuration file (WPK) loaded specifically for the at least one heat pump (7) in a data memory (11) of the system control (10), wherein a communication of the system control (10) with a heat pump control (8) provided for the heat pump (7) is effected in accordance with at least one control type of the heat pump (7) indicated in the heat pump configuration file (WPK).