Compressed Air Cooling Layout for High-Power Welding Systems
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Solution Overview
Problem
Conventional welding systems face heat-related performance issues due to high power outputs, leading to inefficiencies and reduced component lifespan, particularly in gouging processes that require high amperage capacity components, resulting in increased cost and weight.
Innovation Solution
The integration of compressed air cooling within welding systems, where compressed air is routed through components to provide cooling, using channels and conduits made of conductive materials, with temperature sensors and control circuits to manage airflow and focus cooling on heat-sensitive areas, allowing for efficient heat dissipation and reduced system weight and cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If high power output is used in welding systems, then welding performance is improved, but heat generation increases causing performance compromise
Solution Approach 1:
Compressed air is introduced as an intermediary cooling medium that flows through channels in the housing and across heat-generating components. The compressed air absorbs excess heat from power conversion circuitry and other components, then carries it away through the exhaust pathway, thereby mediating between the high power output and acceptable operating temperatures.
Solution Approach 2:
The system utilizes pneumatic cooling by routing compressed air through the welding system. The compressed air source provides pressurized air that flows through channels formed in the housing, delivering cooling directly to heat-sensitive components and removing thermal energy through controlled airflow and exhaust.
2Temperature
If conventional cooling systems are added to welding systems, then heat dissipation is improved, but system complexity and cost increase
Solution Approach 1:
The compressed air system serves multiple functions: it provides cooling for heat-generating components, supplies compressed air for gouging operations, and creates positive pressure to prevent contamination ingress. By making the compressed air system multi-functional, the patent eliminates the need for separate dedicated cooling equipment, thereby reducing overall system complexity.
Solution Approach 2:
The cooling channels are integrated into the existing housing structure of the welding system, merging the cooling function with the structural housing. The housing simultaneously serves as structural support, contamination barrier, and cooling channel pathway, eliminating the need for separate cooling system components.
3Power
If high amperage capacity components are used for gouging processes, then gouging performance is improved, but weight and cost increase
Solution Approach 1:
The compressed air flowing through the system serves itself by simultaneously providing cooling to high amperage components and supplying the necessary compressed air for gouging operations. The same compressed air that cools the power conversion circuitry is also used for the gouging process, eliminating the need for separate air supply systems and reducing overall system weight.
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 enhances the operational efficiency and longevity of welding systems by maintaining component temperatures within thresholds, reducing material and maintenance costs, and simplifying setup with lighter, more robust equipment.
Implementation Method 1
Routing compressed air near the components will introduce relatively cool air to the environment. As the passing compressed air heats in response to interaction with the heated components, heat is drawn from the components and/or the nearby environment.
Implementation Method 2
As the passing compressed air heats in response to interaction with the heated components, heat is drawn from the components and/or the nearby environment.
Data Source
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AI summary
Systems and methods are disclosed for integrated compressed air cooling for welding systems. In particular, the disclosed systems and methods may employ compressed air to implement one or more welding processes (e.g., a gouging or cutting processes), with the compressed air being conveyed through such welding systems. In some examples, the compressed air is routed within the welding system to provide cooling for one or more components therein. For instance, components such as power conversion circuitry may heat up during the welding process. Routing compressed air to or near the components will introduce relatively cool air to the environment. As the passing compressed air heats in response to interaction with the heated components, heat is drawn from the components and/or the nearby environment.