Optical Soldering Nozzle Monitoring for Wave Height and Oxidation
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Solution Overview
Problem
Conventional soldering devices lack effective monitoring and control mechanisms to ensure suitable solder wave height and nozzle suitability during the soldering process, leading to potential inefficiencies and unsuitable soldering operations.
Innovation Solution
A method and device that utilize automated graphic representation capture and processing to determine the instantaneous operating state of the soldering device, comparing it to a reference representation to monitor solder wave height, nozzle suitability, and oxidation levels, allowing for selective initiation or prevention of soldering processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If automated graphic representation capture and processing is implemented to monitor solder wave height and nozzle suitability, then measurement precision and reliability are improved, but device complexity increases
Solution Approach 1:
The patent uses a camera to capture graphic representations (images) of the solder wave and nozzle, creating visual copies that can be analyzed without physically measuring the solder wave height. This optical copying approach enables precise monitoring while avoiding complex mechanical measurement devices.
Solution Approach 2:
The patent replaces conventional mechanical solder wave height measurement methods with an optical system (camera) and automated image processing. This substitution eliminates the need for complex mechanical measurement apparatus while achieving comparable or superior measurement precision.
2Reliability
If automated monitoring and control mechanisms are implemented to ensure suitable solder wave height and nozzle suitability, then reliability is improved, but device complexity increases
Solution Approach 1:
The patent implements a feedback mechanism where the camera continuously captures images of the solder wave and nozzle, the processing unit analyzes these images to determine compliance with predetermined criteria, and the system can trigger alerts or stop the soldering process when deviations are detected. This automated feedback loop ensures reliable soldering operations.
Solution Approach 2:
The patent stores predetermined criteria for solder wave height and nozzle suitability in advance. Before the soldering process begins, these reference values are established and saved in memory, allowing the system to quickly compare actual conditions against known good parameters during operation, ensuring reliable soldering without real-time complex decision-making.
3Measurement precision
If conventional solder wave height measurement methods are used for each evaluation, then measurement precision is maintained, but productivity decreases
Solution Approach 1:
The patent enables continuous monitoring of the solder wave height and nozzle condition through automated image capture and processing. Instead of performing discrete, time-consuming manual measurements, the system continuously evaluates the soldering parameters, maintaining measurement precision while significantly improving productivity by eliminating measurement interruptions.
Solution Approach 2:
The system performs self-verification by automatically capturing images, processing them to determine solder wave height and nozzle suitability, and comparing results against stored criteria without requiring operator intervention for each measurement. This automation maintains precise measurement while freeing the operator to focus on other value-added tasks.
Data Source
AI summary
Method for operating a soldering device and soldering device, wherein a graphic representation of at least part of the soldering device is captured, wherein an instantaneous operating state of the soldering device is determined by means of automated processing of the graphic representation dependent on information about the soldering device from the graphic representation, characterized in that the information about the soldering device is determined dependent on a reference representation of at least part of the soldering device, wherein the reference representation is captured as a graphic representation or wherein the reference representation is read as a graphic representation from a memory, and in that the reference representation characterizes a degree of oxidation of solder (122) when the solder (122) flows out over at least part of a surface (124) of a soldering nozzle (116).