Welding Unit Cooling Device with Optical Parameter Signaling
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Solution Overview
Problem
Conventional welding unit cooling devices require complex coordination between the welding unit and the cooling device, making it difficult for users to detect critical operating situations or exceedance of operating parameters, particularly in manual welding systems, leading to potential errors.
Innovation Solution
A welding unit cooling device with a partially transparent coolant container and a control device that uses optical, non-numeric signaling to display operating parameters and states, allowing users to monitor coolant levels and operating conditions without diverting attention from the welding process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a numerical display is used to show operating parameters, then measurement precision is improved, but ease of operation deteriorates because the user must divert attention from the welding process to read the display
Solution Approach 1:
The patent replaces the mechanical/visual numerical display system with an optical signaling system. Instead of requiring the user to visually read numerical values from a display, the system uses colored lights (e.g., green, yellow, red) to optically encode operating parameter states, allowing peripheral vision detection without diverting focus from the welding task.
Solution Approach 2:
The patent applies color changes as the core signaling mechanism. Different colors represent different operating parameter ranges or device states, enabling the user to quickly comprehend system status through color perception rather than numerical reading, thus maintaining welding focus while achieving parameter monitoring.
2Reliability
If complex coordination between welding unit and cooling device is implemented, then reliability is improved, but device complexity increases making error detection difficult
Solution Approach 1:
The patent implements a feedback system where sensors continuously monitor operating parameters and device states, and this information is immediately reflected through optical signaling. The control device receives feedback from sensors and adjusts the optical signals accordingly, creating a closed-loop system that maintains reliability while simplifying error detection through intuitive visual feedback.
Solution Approach 2:
The patent uses color changes to encode complex device states and error conditions. Instead of requiring the user to interpret complex numerical data or system coordination details, different colors or lighting patterns indicate different operational states or error conditions, making error detection intuitive and immediate without increasing perceived device complexity.
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
Enables immediate visual detection of operating issues, such as coolant temperature thresholds or device failures, through optical signaling, reducing the risk of errors and improving user focus on the welding task.
Implementation Method 1
a heat exchanger for cooling the coolant
Implementation Method 2
a pump device for moving the coolant within a cooling circuit
Implementation Method 3
a lamp for radiation of light into the interior of the coolant tank
Data Source
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AI summary
The invention relates to a welding unit cooling device (1) comprising a coolant inlet (4a, 4b) and a coolant outlet (3a, 3b) for connection to a welding unit (20), a coolant reservoir (6), a heat exchanger (5a, 5b), and a pumping device. The welding unit cooling device is constructed such that the coolant reservoir (6) has at least one wall section that is at least partially transparent, that a light source is arranged for illuminating the interior of the coolant reservoir (6), and that a control device is arranged for optically encoding a value of an operating parameter or an operating state of the cooling device (1) and/or the welding unit (20) and for controlling the light source to optically signal the respective encoded value of the operating parameter or the operating state.The invention further relates to a method for operating a welding unit cooling device (1) with a welding unit (20) cooled by it.