Inflatable Ballistic Shield With Rapid Deployment and Impact Distribution
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Solution Overview
Problem
Existing rigid ballistic shields are cumbersome, difficult to store, and lack the ability to distribute bullet strike impact effectively.
Innovation Solution
An inflatable ballistic shield device comprising at least three ballistic panels and an inflatable bladder that can be stored in a folded configuration and rapidly deployed, featuring a fabric body with tensile filaments for controlled impact distribution and automatic unfolding via a bladder.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If rigid ballistic shields are used, then ballistic protection is provided, but the shields are cumbersome and difficult to store
Solution Approach 1:
The ballistic shield transitions from a rigid structure to a flexible, foldable configuration through the use of an inflatable bladder system. When deflated, the shield panels can be folded and stored in a compact manner; when inflated, the panels become rigid to provide ballistic protection. This dynamic transformation resolves the contradiction between protection strength and storage convenience.
Solution Approach 2:
The shield panels are constructed with flexible materials that can be folded and compressed when not in use, yet maintain their structural integrity and protective function when deployed. The flexible nature of the panels allows them to be stored in compact spaces while still providing effective ballistic protection when inflated.
2Strength
If rigid ballistic shields are used, then ballistic protection is provided, but the shields are heavy and difficult to carry
Solution Approach 1:
The shield system uses a dynamic inflation mechanism where lightweight panels are inflated with air or gas to achieve the necessary rigidity and protective strength. This eliminates the need for heavy rigid materials, allowing the shield to be easily carried when deflated and still provide effective protection when inflated.
Solution Approach 2:
The shield employs a pneumatic inflation system using an inflatable bladder filled with air or gas to create the rigid protective structure. This pneumatic mechanism allows the shield to achieve its protective function without the weight of traditional rigid materials, significantly reducing the weight of the movable shield while maintaining ballistic protection capabilities.
3Strength
If rigid ballistic shields are used, then protection is provided, but impact force is not effectively distributed
Solution Approach 1:
The flexible panel design allows the shield to deform and absorb impact forces more effectively. When a projectile strikes the shield, the flexible panels can flex and distribute the impact force across a larger area, preventing force concentration at a single point. This flexibility enhances impact resistance while maintaining protective function.
Solution Approach 2:
The shield panels are constructed using composite materials that combine the benefits of flexibility and strength. These composite structures can distribute impact forces more effectively throughout the panel and across the entire shield system, reducing the concentration of harmful forces while maintaining adequate ballistic protection.
4Volume of stationary object
If the shield is stored in a folded configuration, then storage space is reduced, but manual unfolding is required
Solution Approach 1:
The shield panels are pre-configured with hinges and connection mechanisms that automatically guide the unfolding process. When the bladder is inflated, the panels automatically unfold into their deployed position without requiring manual intervention. This preliminary configuration of the folding mechanism eliminates the need for manual unfolding while maintaining compact storage.
Solution Approach 2:
The inflation system automatically triggers the unfolding of the shield panels through the expansion of the bladder. As the bladder inflates, it pushes the panels into their deployed configuration without requiring external manual operation. This self-service mechanism simplifies deployment while maintaining the compact folded storage capability.
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 is lightweight, easily storable, and effectively distributes bullet impact forces, providing improved protection without the need for manual unfolding.
Implementation Method 1
the bladder can be rapidly inflated, which unfolds the ballistic panels and forms the device into a rigid ballistic shield
Implementation Method 2
the filaments/fibers are placed in tension to ensure that the bladder will only be displaced in a limited and controlled manner when impacted with a projectile, and absorbs the force of the projectile impact and distributes the force of a projectile impact through the entire bladder
Data Source
AI summary
An inflatable ballistic shield device is provided. The device is preferably comprised of at least three ballistic panels and an inflatable bladder. When not in use, the device can be stored in an uninflated, folded configuration. When in use, the bladder can be rapidly inflated, which unfolds the ballistic panels and forms the device into a rigid ballistic shield.