Portable ignition controller
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Solution Overview
Problem
Existing ignition systems for exothermic welding lack a portable and efficient method to discharge power from portable power tool batteries to ignite the welding filament, limiting the portability and ease of use in welding processes.
Innovation Solution
A portable ignition controller with a housing and circuit board that electrically couples to a portable power tool battery, using an actuator, such as pushbuttons, to discharge power to an exothermic welding device through a terminal, enabling efficient heating of the welding filament.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a portable power tool battery is used to power the ignition system, then portability is improved, but the ability to discharge sufficient power to ignite the welding filament becomes problematic
Solution Approach 1:
The system dynamically controls power discharge through a microprocessor that manages the battery output. The microprocessor monitors battery status and controls the power delivery to match the ignition requirements, enabling the portable battery to provide sufficient instantaneous power when needed while maintaining portability.
Solution Approach 2:
The system changes electrical parameters through voltage regulation and current control circuits that adjust the power output from the battery. By dynamically adjusting voltage and current parameters, the system ensures the battery can deliver the high power pulse required for ignition while operating from a portable platform.
2Measurement precision
If a circuit board with actuator is integrated into the housing, then control precision is improved, but device complexity increases
Solution Approach 1:
The circuit board integrates multiple functions including power management, control logic, and actuation signals into a single consolidated unit. The microprocessor performs multiple control tasks, and the housing serves both structural and protective functions, reducing overall system complexity while maintaining precise control capabilities.
Solution Approach 2:
The circuit board acts as an intermediary between the user interface (actuators) and the power delivery system. It mediates control signals and manages power flow, providing precise control without requiring complex direct connections between all components.
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 provides a portable and efficient means to ignite the exothermic welding process, utilizing a readily available portable power tool battery to heat the welding filament, enhancing portability and ease of use in welding applications.
Implementation Method 1
actuating the actuator to establish electrical communication between the portable power tool battery and the terminal, whereby power is discharged from the portable power tool battery to the exothermic welding device
Data Source
AI summary
A portable exothermic welding ignition controller includes a housing configured to receive a portion of a portable power tool battery. A circuit board is positioned within the housing and configured for electrical coupling to the portable power tool battery. An actuator is operatively engageable with the circuit board for selectively discharging power from the portable power tool battery to a connection terminal electrically coupled to the circuit board.