Ventilated Purification Helmet for Cooling in Polluted Heat
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Solution Overview
Problem
Existing helmets fail to provide effective ventilation and air purification in high-temperature, high-pollution environments without compromising safety standards, leading to discomfort, health risks, and reduced worker efficiency.
Innovation Solution
A multi-directional air ventilation and purification helmet with pre-filter membranes, micro suction pumps, activated carbon filters, charcoal filters, and HEPA filters that purify and circulate high-velocity air, maintaining safety standards and preventing exposure to pollutants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a helmet is worn to protect the head from injury, then safety is improved, but ventilation and cooling are reduced leading to discomfort and sweat accumulation
Solution Approach 1:
The helmet shell is segmented with multiple integrated vents and openings at different locations (front, rear, sides) to allow air circulation while maintaining structural protection. This segmentation enables selective airflow paths that preserve both safety and ventilation functionality.
Solution Approach 2:
A multi-layered ventilation system is nested within the helmet structure, including inner and outer vents, adjustable shutters, and integrated cooling channels. The nested design allows complex ventilation mechanisms to be incorporated without compromising the outer protective shell.
2Object-affected harmful factors
If protective clothing is worn in high-temperature environments, then protection from heat is improved, but air circulation and cooling are reduced
Solution Approach 1:
The helmet incorporates an intermediary ventilation system that acts as a mediator between the external hot environment and the head. Integrated vents and airflow channels serve as intermediaries to regulate temperature by allowing controlled air circulation while the helmet shell provides thermal protection.
Solution Approach 2:
The ventilation system includes adjustable parameters such as variable vent openings, controllable airflow rates, and adjustable shutter positions. These parameters can be changed dynamically to optimize both thermal protection and cooling based on environmental conditions and worker needs.
3Object-affected harmful factors
If air purification filters are added to the helmet, then air quality is improved, but device complexity and weight increase
Solution Approach 1:
Multiple filtration functions are merged into a single integrated system within the helmet. The filtration mechanism combines particulate filters, activated carbon filters, and airflow control in one unified assembly, reducing overall complexity compared to separate filtration systems while maintaining comprehensive air purification.
Solution Approach 2:
The filtration system utilizes porous filter materials that provide efficient air purification through their inherent pore structure. The porous filters allow airflow while trapping particles and contaminants, achieving effective air quality improvement without requiring complex mechanical filtration components.
4Temperature
If high-velocity air circulation is implemented, then cooling effect is improved, but energy consumption increases
Solution Approach 1:
The ventilation system employs periodic or intermittent air circulation rather than continuous high-velocity flow. Adjustable airflow rates can be modulated based on environmental conditions, providing adequate cooling when needed while reducing energy consumption during stable conditions.
Solution Approach 2:
The system utilizes pneumatic principles with integrated fans or natural convection currents to drive air circulation. The pneumatic design allows for efficient air movement with lower energy requirements compared to mechanical high-velocity systems, while still achieving effective head cooling through controlled airflow.
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
Provides continuous ventilation and purification, reducing sweat accumulation, headaches, and health risks from temperature variations and pollutants, enhancing worker comfort and safety.
Implementation Method 1
The air sucked with the help of the micro suction pump or a micro fan, gets cleaned of the macro air pollutants with the help of pre-filters placed across the air vents
Implementation Method 2
The circulated air now laden with moisture from the evaporated sweat is then received at the peak of the helmet, wherein it gets purified with a combination of activated carbon filter, charcoal filter and HEPA filter
Implementation Method 3
The circulated air now laden with moisture from the evaporated sweat is then received at the peak of the helmet
Implementation Method 4
The circulated air now laden with moisture from the evaporated sweat is then received at the peak of the helmet, wherein it gets purified with a combination of activated carbon filter, charcoal filter and HEPA filter
Implementation Method 5
The air sucked with the help of the micro suction pump or a micro fan
Implementation Method 6
the high velocity air travels through the whole helmet, giving ventilation and cooling effect to the head by enabling evaporation of sweat
Data Source
AI summary
The present invention relates to the development of a variable speed multi directional air ventilation and purification helmet, that provides ventilation inside the helmet, wherein the air ventilated is first purified with the help of the pre-filter membrane which are attached to the vents (FIG. 1 (2, 3 and 4)), placed at variable angles across the shell of the said helmet. Thereafter, the high velocity air travels through the whole helmet, giving ventilation and cooling effect to the head by enabling evaporation of sweat and then exiting from the bottom of the peak of the variable speed multi directional air ventilation and purification helmet, after passing through air purification filters and a micro suction system or mini fan.