Ground Compactor Heat Exchanger Tank for Passive Electrical Cooling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing ground compaction machines with electrical drive systems face challenges in managing heat generated by electrical operating components, leading to operational reliability issues and reduced service life, while conventional air cooling systems are complex and energy-consuming.
Innovation Solution
A ground compaction machine with a heat exchanger fluid tank that stores heat exchanger fluid for conductive heat exchange with electrical components, eliminating the need for complex cooling circuits and allowing direct contact between the fluid and the components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If air cooling systems are used to cool electrical operating components, then cooling effect is achieved, but device complexity increases and additional electrical energy is consumed
Solution Approach 1:
The invention extracts the cooling function from a separate active cooling system and integrates it into the housing structure itself. The housing walls act as heat exchangers that directly transfer heat from the electrical operating components to the surrounding air, eliminating the need for separate cooling circuits, fans, and control systems.
Solution Approach 2:
The housing structure serves dual purposes: it provides mechanical protection for the electrical operating components and simultaneously functions as a passive cooling system. The design utilizes natural convection and radiation through strategically designed wall structures, allowing the system to cool itself without additional energy input or active components.
2Temperature
If air cooling systems are used to cool electrical operating components, then cooling effect is achieved, but electrical energy consumption increases
Solution Approach 1:
The invention converts the naturally occurring passive heat transfer mechanisms (convection and radiation) into beneficial cooling effects. By designing the housing walls with appropriate thermal characteristics and surface areas, the system utilizes the temperature difference between the hot components and ambient air to drive natural cooling currents, eliminating the need for energy-consuming active cooling systems.
Solution Approach 2:
The invention replaces active mechanical cooling systems (fans, pumps, controlled fluid circulation) with passive thermal management through housing design. The cooling effect is achieved through inherent thermal conduction through housing walls, natural convection currents, and radiative heat transfer, eliminating moving parts and electrical energy requirements.
3Reliability
If electrical operating components are cooled actively, then operational reliability is improved, but device complexity and energy consumption increase
Solution Approach 1:
The invention merges the protective housing function with the thermal management function into a single integrated structure. The housing walls are designed with specific thermal properties, surface areas, and geometries that enable effective heat dissipation while providing mechanical protection, thereby improving reliability without adding separate cooling systems.
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 solution effectively manages heat generated by electrical components, enhancing operational reliability and service life without the complexity and energy consumption of traditional cooling systems.
Implementation Method 1
Heat exchanger fluid which is used as a heat store and/or heat exchanger, in particular in a closed circuit, in order to cool at least one electrical operating component of the ground compaction machine
Data Source
AI summary
A ground compaction machine with a machine frame, a ground contacting device mounted movably on the machine frame, a vibration excitation device and an electrical operating component comprising a housing. A method for operating a ground compaction machine. A heat exchanger fluid tank is provided with which a conductive heat exchange takes place between the electrical operating component and a heat exchanger fluid stored in a storage space of the heat exchanger fluid tank.