Corrosion Sensing Circuit for Air-Cooled Storage Electronics
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Solution Overview
Problem
Conventional techniques fail to detect corrosion in electronic components due to exposure to pollutants in the atmosphere, particularly in storage apparatuses with air cooling systems, which can lead to failures since they operate continuously without stopping.
Innovation Solution
A detection apparatus with a first and second resistance element connected in series, where the second element is exposed to the atmosphere, and a detection unit that monitors the intermediate voltage to detect signs of corrosion based on changes in this voltage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a dummy component with higher temperature is used to detect corrosion, then corrosion detection sensitivity is improved, but the detection cannot account for atmospheric exposure effects
Solution Approach 1:
The detection system is divided into two separate resistance elements: one exposed to atmospheric conditions and one protected, allowing independent measurement of atmospheric corrosion effects versus temperature effects
Solution Approach 2:
A protected resistance element serves as a reference intermediary that is not exposed to atmospheric corrosion, allowing the system to distinguish between temperature-induced resistance changes and corrosion-induced changes by comparing the two elements
2Temperature
If air cooling system is used to cool the apparatus, then cooling efficiency is improved, but electronic components are exposed to pollutants causing corrosion
Solution Approach 1:
The detection system is installed beforehand to monitor resistance changes before actual corrosion damage occurs, allowing early warning and preventive maintenance
Solution Approach 2:
The system continuously monitors resistance changes in the resistance element exposed to atmospheric conditions and provides feedback when corrosion is detected, enabling real-time adjustment of maintenance schedules
3Productivity
If continuous operation is maintained without stopping, then productivity is improved, but corrosion damage accumulates undetected
Solution Approach 1:
The detection system operates continuously alongside the apparatus, constantly monitoring resistance changes without requiring shutdowns, enabling uninterrupted productivity while maintaining detection capability
Solution Approach 2:
The apparatus monitors its own corrosion status through the integrated detection system, eliminating the need for external manual inspection and enabling autonomous health monitoring
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 allows for early detection of corrosion, providing accurate and cost-effective monitoring with the ability to output warnings based on the corrosion progression.
Implementation Method 1
the second resistance element is exposed to a surrounding atmosphere of the apparatus, and in which the detection unit detects a sign of corrosion of the apparatus caused by the surrounding atmosphere
Implementation Method 2
a first resistance element attached to a power supply; a second resistance element connected in series to the first resistance element; and a detection unit that acquires an intermediate voltage between the first resistance element and the second resistance element
Data Source
AI summary
A detection apparatus attached to a target apparatus, the detection apparatus including: a first resistance element attached to a power supply; a second resistance element connected in series to the first resistance element; and a detection unit that acquires an intermediate voltage between the first resistance element and the second resistance element, in which the second resistance element is exposed to a surrounding atmosphere of the apparatus, and in which the detection unit detects a sign of corrosion of the apparatus caused by the surrounding atmosphere based on a change in the intermediate voltage.