Removable Plasma Torch Trigger Module for PCB Accessory Upgrades
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Solution Overview
Problem
Existing handheld arc plasma torches have triggers that are integral to the torch, making them difficult to replace or service, and cannot be easily retrofitted with new functionalities or accessories.
Innovation Solution
A removable trigger module for handheld arc plasma torches, comprising a housing, a pivotably coupled trigger, and a printed circuit board (PCB) that can be electrically coupled to accessories such as light sources, temperature sensors, and motion sensors, allowing for easy replacement and upgrade of functionalities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the trigger is integrated into the handle assembly, then the structural integrity and reliability are improved, but the ease of repair and replacement deteriorates
Solution Approach 1:
The trigger assembly is segmented into a separate removable module that can be independently replaced. The trigger module includes a housing, trigger, and PCB that can be detached from the handle assembly without replacing the entire torch, enabling easy repair while maintaining structural integrity through standardized coupling interfaces.
2Stability of the object's composition
If the trigger is integrated into the handle assembly, then the structural stability is improved, but the adaptability deteriorates
Solution Approach 1:
The trigger module is designed as a universal interface that can accommodate different PCB configurations and sensor types. The standardized housing and coupling mechanism allow the same physical module to support various functionalities (light sources, temperature sensors, motion sensors) by simply changing the PCB, thereby providing adaptability while maintaining structural stability.
3Object-affected harmful factors
If sensors are sealed within the torch, then the protection from environmental factors is improved, but the ease of operation deteriorates
Solution Approach 1:
Sensors are segregated into the removable trigger module rather than being permanently sealed in the torch body. This segmentation allows the trigger module to be easily detached and replaced, providing sensor access for maintenance and upgrading while the module itself remains protected within its sealed housing during operation.
4Ease of repair
If the trigger module is removable, then the ease of repair is improved, but the device complexity increases
Solution Approach 1:
The complex electrical and mechanical coupling elements are extracted and standardized into a dedicated trigger module interface. By consolidating these coupling mechanisms into a single removable unit with standardized connectors, the overall system complexity is managed while maintaining ease of repair through simple module replacement rather than complex component-level repairs.
Data Source
AI summary
A torch having a replaceable trigger module is disclosed. The trigger module includes a housing defining a cavity; a trigger operatively coupled to the housing; and a printed circuit board (PCB) configured to be electrically coupled to one or more accessories. The PCB and the one or more accessories are disposed at least partially in the cavity and are coupled to the housing so that coupling the housing to a torch handle mechanically couples the PCB and trigger to the torch handle.