Protective Headgear Air Supply Module with Remote Handle
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Solution Overview
Problem
Existing protective headgear lacks an efficient and user-friendly mechanism for directing airflow, particularly in operations like welding and grinding, where controlled air supply is crucial for safety and comfort.
Innovation Solution
The protective headgear incorporates an air supply module with central, left lateral, and right lateral trunks, along with an external, remote handle that remotely connects to an air valve, allowing airflow to be directed through central or lateral passages via a push-pull cable system, enabling easy control of airflow distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If protective headgear includes an air supply module with multiple trunks and remote handle, then airflow control capability is improved, but device complexity increases
Solution Approach 1:
The air supply module is segmented into multiple independent trunks (central, left lateral, right lateral) that can be independently controlled. Each trunk has its own air passage and can be adjusted separately through the remote handle system, allowing independent airflow control to different regions of the wearer's face while maintaining a modular structure that manages complexity through functional division.
Solution Approach 2:
The air valve incorporates a movable air director that can dynamically redirect airflow between different trunks based on operational needs. The push-pull cable system enables dynamic adjustment of the air valve position, allowing the operator to adapt airflow distribution in real-time without redesigning the entire air supply architecture, thus enhancing versatility without proportionally increasing structural complexity.
2Ease of operation
If remote handle is added for airflow control, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The push-pull cable acts as an intermediary mechanism that transmits the operator's input from the remote handle to the air valve inside the air supply module. This cable-mediated connection allows easy external control of the air valve without requiring the operator to access internal components, improving ease of operation while containing complexity within the modular air supply unit.
Solution Approach 2:
The air supply module is designed with the remote handle and push-pull cable system integrated into the helmet structure, allowing the wearer to self-adjust airflow distribution without external assistance. The system enables autonomous control of air direction to different facial regions, enhancing operational ease while maintaining a compact self-contained design that limits overall complexity.
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
This design provides a user-friendly and efficient means to control airflow, ensuring optimal air delivery to the wearer's face or helmet visor, enhancing safety and comfort by allowing airflow to be directed as needed, whether for cooling or defogging purposes.
Implementation Method 1
an external, remote handle that is remotely connected to an air valve by a push-pull cable
Data Source
AI summary
Protective headgear including central, left lateral, and right lateral trunks, and which may include at least one external, remote handle for directing air flow.