Modular Pin Spotting Welding Source for Handheld and Fixed Use
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Solution Overview
Problem
HVAC pin spotting systems lack versatility and efficiency, as existing machines require separate welding sources and components for handheld and fixed applications, leading to increased complexity, size, weight, and cost.
Innovation Solution
A modular pin spotting system that allows a common welding source to be used with both handheld and fixed pinspotters, enabling the same welding source to be utilized in mobile and fixed applications by detachable components and cable connections, reducing complexity and enabling greater operational flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate welding sources are used for handheld and fixed pinspotters, then each device can be optimized for its specific application, but the overall system complexity, size, and cost increase
Solution Approach 1:
The patent implements a universal welding source that can function with both handheld and fixed pinspotters through standardized electrical connections and control interfaces. The welding source includes a control board with terminals that accept cables from either device type, allowing one welding source to perform multiple functions across different application contexts.
Solution Approach 2:
The system separates the welding source from the pinspotter mechanisms, allowing the welding source to be an independent, reusable component. The handheld and fixed pinspotters are segmented as separate modules that interface with the common welding source through standardized cable connections, reducing overall system complexity.
2Ease of operation
If integrated welding source circuitry is included in fixed pinspotters, then the device is self-contained and portable, but the size, weight, and cost increase
Solution Approach 1:
The welding source circuitry is extracted from the fixed pinspotter and placed in a separate, shared welding source unit. This extraction removes the heavy electrical components from the stationary pinspotter, reducing its weight and size while maintaining self-containment through the separate welding source that connects via cables.
3Reliability
If separate welding sources are purchased for handheld and fixed applications, then each device has dedicated functionality, but the cost to the customer increases
Solution Approach 1:
The welding source is designed as a universal platform that serves both handheld and fixed pinspotters, allowing customers to purchase one welding source and use it with either device type. The standardized electrical interfaces and control protocols ensure reliable dedicated functionality while reducing customer cost through component sharing.
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 modular system achieves efficiency by allowing a single welding source to be used across different applications, reducing the complexity, size, and weight of fixed pinspotters, while providing customers with enhanced capabilities at a lower cost.
Implementation Method 1
The handheld pinspotter apparatus is configured to energize the welding source to supply welding energy through the handheld pinspotter apparatus and ground handpiece to a weld pin positioned against a sheet metal surface to affix the weld pin to the sheet metal surface through welding
Data Source
AI summary
The modular pin spotting system described herein allows a common welding source to be utilized with both hand held pinspotters and fixed pinspotters. This allows the operator to choose the mode of operation for the welding source based on operator needs. In some aspects, the pin spotting system includes a mobile welding source, a ground handpiece, a handheld pinspotter apparatus, and a fixed pinspotter apparatus. The welding source is removably attachable to either of the hand held pinspotter apparatus and fixed pinspotter apparatus and configured to supply welding energy to the attached pinspotter apparatus. Each of the hand held and fixed pinspotter apparatus are configured to energize the mobile welding source to supply welding energy to a weld pin positioned against a sheet metal surface to affix the weld pin to the sheet metal surface through welding.