Swappable Ultraportable Welding Tool for Fast Remote Setup
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional welding equipment is cumbersome and time-consuming to set up, especially for brief welds, requiring significant effort to disassemble and move, which can be inefficient and impractical for remote or confined locations.
Innovation Solution
The development of ultraportable welding devices that are powered by batteries or energy storage devices, featuring a gun-shaped or torch-shaped form factor for ergonomic handling, and are quickly convertible between different welding processes by exchanging front assemblies and adjusting control circuitry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If conventional welding equipment is used, then welding power and functionality are sufficient, but portability and setup speed deteriorate due to cumbersome design and disassembly requirements
Solution Approach 1:
The welding device is divided into modular components including a power supply unit, wire feeder unit, and gun assembly that can be independently handled or combined. This segmentation allows the operator to carry only the essential components to the weld site and assemble them quickly, resolving the contradiction between portability and setup speed by making the system adaptable to different mobility requirements.
Solution Approach 2:
The welding device integrates multiple functions into a single unified system that combines power supply, wire feeding, and welding control capabilities. This multi-functionality eliminates the need for separate equipment pieces, reducing overall portability burden while maintaining full welding functionality, thus resolving the contradiction between having sufficient welding power and achieving quick setup.
2Ease of operation
If conventional welding equipment is used, then welding capability is maintained, but ease of operation deteriorates in remote or confined locations due to power cord and space requirements
Solution Approach 1:
The welding device extracts the power source from the traditional mains-powered configuration and incorporates an integrated power supply system with internal energy storage components. This extraction of external power dependency allows the device to operate autonomously in remote locations without power cords, significantly improving ease of operation in confined or remote areas while the self-contained design manages the complexity through integration.
Solution Approach 2:
The device introduces an intermediary integrated power supply system that acts as a mediator between the welding components and the external environment. This intermediary power system with internal energy storage eliminates the need for external power connections, allowing operation in locations without electrical infrastructure, thus resolving the contradiction between ease of operation and device complexity by providing a self-sufficient power solution.
3Weight of moving object
If battery-powered welding sources are used, then portability is improved, but device complexity increases compared to conventional power systems
Solution Approach 1:
The device merges the power supply, wire feeder, and control systems into a single integrated unit with unified power management. This combination consolidates multiple subsystems that would otherwise be separate in conventional battery-powered adaptations, reducing overall device complexity while maintaining portability benefits. The integrated design allows shared components and coordinated control, resolving the contradiction between portability improvement and device complexity increase.
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
These devices enable rapid setup and performance of welding operations, allowing operators to quickly move to the weld site, connect, and begin welding, while also supporting various welding processes in remote or confined areas without the need for extensive power cords or space.
Implementation Method 1
an energy storage device; power conversion circuitry configured to convert input power from the energy storage device to output welding power
Data Source
AI summary
Disclosed handheld welding devices include: an energy storage device; power conversion circuitry configured to convert input power from the energy storage device to output welding power; a wire feeder configured to deliver welding wire and/or a gas valve configured to control flow of gas from a gas source; a front assembly configured to conduct the welding power to a welding electrode, wherein the front assembly is swappable between two or more of a wire-fed welding process, a stick welding process, or a tungsten electrode welding process; control circuitry configured to control the power conversion circuitry and the at least one of the wire feeder or the gas valve based on the configured one of the two or more welding processes, to selectively provide the welding power and at least one of the welding wire or the gas to the front assembly in response to an input device; and a housing.