High-Rise Escape Parachute With Auto Deployment and Descent Control
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Solution Overview
Problem
There is a long-felt need for a safe, effective, and easily deployable fire escape device that allows individuals to evacuate high-rise buildings during emergencies, bypass blocked routes, ensure a controlled descent, accommodate different user sizes, and integrate modern materials for reliable evacuation.
Innovation Solution
A parachute device with a lightweight, durable canopy reinforced by multi-strand Kevlar threads, adjustable harness, and sensors to control descent, featuring a deployment handle and automatic deployment system, designed for quick and safe use by untrained individuals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional evacuation methods (elevators, stairwells) are used, then individuals can evacuate during normal conditions, but these routes become impassable during fires due to smoke, heat, and debris
Solution Approach 1:
The parachute device extracts the evacuation function from traditional building infrastructure (elevators and stairwells) by providing an independent aerial escape route that operates outside the building's vertical circulation systems, thereby avoiding smoke-filled environments
Solution Approach 2:
The parachute acts as an intermediary means between the user and the ground, enabling evacuation through the air space surrounding the building rather than through contaminated interior routes, thus mediating the harmful effects of smoke and heat
2Productivity
If individuals jump from high-rise windows during emergencies, then evacuation is possible, but injuries and death may result due to uncontrolled descent
Solution Approach 1:
The parachute provides beforehand cushioning by creating air resistance during descent, dissipating the kinetic energy of the fall gradually over time rather than concentrating it at impact, thus cushioning the user against impact injuries
Solution Approach 2:
The parachute changes the descent parameters by transforming an uncontrolled free-fall into a controlled descent with regulated speed and orientation, modifying the velocity, trajectory, and impact characteristics to ensure safe landing
3Reliability
If a parachute device is designed for high-rise evacuation, then controlled descent is achieved, but the device must be stored compactly for quick access in emergencies
Solution Approach 1:
The parachute employs a nested doll configuration where the canopy is folded and packed within the cylindrical housing, with suspension lines and harness components arranged concentrically, enabling compact storage while maintaining rapid deployment capability
Solution Approach 2:
The device transitions from a static compact storage state to a dynamic deployed state through a deployment mechanism that activates the canopy inflation sequence, allowing the structure to adapt its volume and configuration based on operational requirements
4Speed
If the canopy is made from lightweight fabric for easy deployment, then deployment speed is improved, but durability and fire resistance may be compromised
Solution Approach 1:
The canopy utilizes composite materials combining lightweight fabric with fire-resistant coatings and Kevlar reinforcement layers, achieving a material system that simultaneously provides rapid deployment characteristics, enhanced durability, and fire resistance through the synergistic properties of multiple materials
Solution Approach 2:
The canopy applies local quality enhancements by concentrating fire-resistant and high-strength materials at critical areas such as suspension line attachment points and canopy leading edges, while maintaining lightweight construction in less stressed regions
5Adaptability or versatility
If the harness is made adjustable to accommodate different user sizes, then adaptability is improved, but device complexity increases
Solution Approach 1:
The harness employs dynamic adjustment mechanisms with movable straps and adjustable buckles that allow users to customize the fit for different body sizes, transforming a static structure into an adaptable system that conforms to various anthropometric parameters
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 device provides a controlled and safe descent, minimizing injury risk, accommodating various user sizes, and ensuring reliable evacuation even in hazardous conditions, bypassing traditional escape routes.
Implementation Method 1
The parachute device includes a canopy... provides a controlled descent
Implementation Method 2
a plurality of multi-strand Kevlar threads for reinforcing the canopy
Data Source
AI summary
A fire escape parachute device designed for safe and effective evacuation from high-rise buildings (i.e., fixed bases) during emergencies, such as fires, is disclosed. The device comprises a canopy made from lightweight, durable, and tear-resistant fabric, reinforced with multi-strand Kevlar threads. A harness, featuring adjustable shoulder, thigh, and waist/chest straps, connects to the canopy via suspension lines and includes a front buckle for secure fastening. The device incorporates a deployment handle for manual parachute release, and in one embodiment, an automatic deployment system ensures canopy deployment if the user is not able to pull the handle. In other embodiments, the parachute includes sensors to monitor altitude and adjust the canopy to control descent speed.