Piston Pump Water Heating System Without Evaporator for High COP
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing water heating systems for buildings face challenges in achieving high performance while optimizing energy consumption, maintaining ease of use, and providing a noiseless solution.
Innovation Solution
A water heating system that utilizes a circuit devoid of an evaporator, where the heating means consists of a piston pump driven by an asynchronous magnetic electric motor, and employs specific operating fluids like R1233ZD(E) to achieve efficient heat transfer without external air or liquid dependence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If a heat pump with compressor and evaporator is used, then heating function is provided, but COP is less than 7 and system complexity increases
Solution Approach 1:
The invention extracts and eliminates the evaporator component from the traditional heat pump system. By removing the evaporator, the system achieves higher COP (greater than 7) while reducing complexity, as the piston pump directly heats the working fluid without requiring the evaporator-compressor-condenser configuration of conventional heat pumps
Solution Approach 2:
The invention replaces the traditional mechanical compression system (compressor) with a piston pump mechanism that directly heats the working fluid through mechanical work. This substitution eliminates the need for phase change in an evaporator and achieves higher efficiency with reduced system complexity
2Use of energy by moving object
If boiler burning fuel is used, then heating function is provided, but energy consumption is high and environmental impact increases
Solution Approach 1:
The invention replaces fuel combustion (chemical energy conversion) with a mechanical piston pump system that directly converts mechanical work into thermal energy. This eliminates harmful emissions from fuel burning while achieving high energy efficiency through the direct mechanical heating process
Solution Approach 2:
The invention changes the fundamental energy conversion parameter from chemical combustion to direct mechanical work conversion. By using the piston pump to directly heat the working fluid through mechanical compression and friction, the system achieves high efficiency without the energy losses and environmental harm associated with fuel combustion
3Ease of repair
If traditional heat pump components are used, then heating function is provided, but maintenance difficulty increases
Solution Approach 1:
By removing the evaporator and simplifying the system architecture, the invention reduces the number of components that require maintenance. The piston pump-based system has fewer moving parts and no evaporator to maintain, making it easier to service while achieving the same heating function
Solution Approach 2:
The piston pump serves multiple functions simultaneously: it circulates the working fluid, heats it through mechanical work, and provides the driving force for the system. This multi-functionality reduces the overall component count and simplifies maintenance requirements compared to traditional heat pumps with separate compressor, evaporator, and circulation pump components
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 system achieves high heating performance, optimizes energy consumption, facilitates easy maintenance, and provides a noiseless operation, with a COP greater than 7 and a compact design.
Implementation Method 1
the heating means consists in a piston pump
Implementation Method 2
first heat exchange means for exchanging heat between the circuit and the first supply line
Implementation Method 3
second heat exchange means for exchanging heat between the circuit and the second supply line
Data Source
AI summary
A system for heating water includes a circuit (2) in which an operating fluid circulates; the circuit (2) having a means (20) for heating the operating fluid. A first line (31) supplies water for sanitary use and a second line (32) supplies water intended for heating at least one environment of a building. A first heat exchange means (5) exchanges heat between the circuit (2) and the first supply line (31) and second heat exchange means (4) exchanges heat between the circuit (2) and the second supply line (32). The heating means (20) has or is a piston pump (21).