Flux Pot Level Detection Layout to Avoid Foaming Contamination
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Solution Overview
Problem
Conventional flux transfer apparatuses face challenges in stably detecting the remaining amount of flux due to contamination from foaming, which affects the accuracy of ultrasonic sensors disposed above the flux pot.
Innovation Solution
The apparatus includes a stage with a concave part and a flux pot that supplies flux to the concave part, with a detector positioned on the lower side or lateral side of the flux pot, utilizing light transmission parts and light emission/reception components to detect the remaining flux amount, preventing contamination and ensuring stable detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If an ultrasonic sensor is disposed on the upper side of the flux pot to detect the remaining amount of flux, then the detection function can be achieved, but the detector may be contaminated by foamed flux and stable detection becomes difficult
Solution Approach 1:
The detector is moved from the upper side (vertical dimension above flux pot) to the lower side or lateral side (different spatial dimension), allowing detection while avoiding the harmful foamed flux that rises upward. This dimensional relocation resolves the contradiction between achieving detection and avoiding contamination.
Solution Approach 2:
A light transmission part is introduced as an intermediary medium between the detector and the flux. The detector detects light transmitted through this part to indirectly measure flux remaining amount, preventing direct contact with foamed flux while maintaining detection capability.
2Reliability
If the detector is disposed on the lower side of the stage or lateral side of the flux pot to avoid contamination, then stable detection can be achieved, but the detection structure becomes more complex
Solution Approach 1:
The light transmission part is integrated with the stage structure, merging the detection pathway with the existing mechanical framework. This reduces overall device complexity while maintaining the reliability benefits of the relocated detector position.
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 configuration allows for stable detection of the remaining flux amount, suppressing contamination from foamed flux and enabling accurate monitoring of flux levels, even during reciprocal movement of the flux pot.
Implementation Method 1
detects the remaining amount of the flux stored in the flux pot based on a light amount of light emitted into the flux stored in the flux pot through the light transmission part and the supply part and reflected by a liquid surface of the flux
Implementation Method 2
detects the remaining amount of the flux stored in the flux pot based on a light amount of transmitted light transmitted through the flux pot through each of the light transmission wall parts
Data Source
AI summary
A flux transfer apparatus (100) includes: a stage (12), having a concave part (13) at a central part; a flux pot (20), having, disposed on a bottom plate (25), a through hole (27) supplying flux (50) to a concave part (13), and reciprocally moving on a surface (14, 15) of the stage (12) to supply the flux (50) to the concave part (13); a detector (30), detecting a remaining amount of the flux (50) stored in the flux pot (20). The detector is disposed on a lower side of the stage (12) or a lateral side of the flux pot (20).