Life Jacket Rope Ejection Mechanism for Water Rescue
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Solution Overview
Problem
Regular life jackets are not flexible enough for easy water rescue, making it difficult to save drowning victims, especially when the rescuer cannot swim.
Innovation Solution
A lifesaving rope apparatus integrated with a life jacket, featuring an ejection mechanism using a spiral spring, high-pressure gas, or manual activation, along with a dual-layer rope of water inflatable rubber and fiber, which can be automatically deployed to facilitate rescue, and includes a detector for automatic activation and an alarm for attracting attention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If regular life jackets are used, then basic buoyancy protection is provided, but flexibility and ease of water rescue are insufficient
Solution Approach 1:
The life jacket is divided into functional modules: a main body providing buoyancy, and a detachable rope apparatus with ejection mechanism. This segmentation allows the rope rescue system to be deployed independently when needed, enhancing rescue flexibility without compromising basic life jacket functionality.
Solution Approach 2:
The life jacket integrates multiple functions: it provides basic buoyancy protection, includes a manually ejectable rope for active rescue, and incorporates an automatic ejection mechanism triggered by detection devices. This multi-functionality enables the same device to serve both passive protection and active rescue purposes.
2Reliability
If an ejection mechanism is added to the life jacket, then water rescue capability is improved, but device complexity increases
Solution Approach 1:
The rope is pre-loaded into the ejection mechanism in a compact state. When triggered, the stored mechanical energy in the spring immediately propels the rope outward without requiring complex real-time processing or multiple moving parts during activation, thus improving reliability while controlling complexity.
Solution Approach 2:
The automatic ejection mechanism uses detection devices that automatically trigger the rope deployment when drowning is detected, eliminating the need for manual operation under stress. The system serves itself by detecting the emergency condition and autonomously executing the rescue action.
3Productivity
If automatic detection and ejection features are added, then rescue effectiveness is improved, but loss of time for activation is reduced
Solution Approach 1:
The system replaces purely mechanical manual operation with an integrated detection-electric-mechanical system. Detection devices (optical or motion sensors) automatically identify drowning conditions and trigger the ejection mechanism, eliminating delays associated with human reaction time while using straightforward mechanical ejection components.
Solution Approach 2:
The detection devices continuously monitor the water environment and provide feedback to the control system. When drowning conditions are detected, the system receives feedback signals and automatically activates the ejection mechanism, creating a closed-loop control system that responds rapidly to emergency conditions.
4Strength
If a dual-layer rope structure is used, then rope performance is improved, but manufacturing complexity increases
Solution Approach 1:
The rope uses a composite structure with an inner core of water-inflatable rubber providing buoyancy and an outer layer of fiber material providing tensile strength. This combination of materials with complementary properties achieves both floatability and strength, though it requires coordinated manufacturing processes for the two layers.
Solution Approach 2:
The rope structure features a nested configuration where the water-inflatable rubber core is enclosed within the fiber outer layer. This nested structure allows the buoyant core to be protected by the strong outer shell, with both layers working together to provide the required performance characteristics.
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
Increases the probability of rescuing drowning victims by allowing non-swimmers to assist and reduces the difficulty of water rescue through convenient and safe deployment of the rope, while enhancing visibility and buoyancy.
Implementation Method 1
the constituent material of the interior layer structure of the rope is water inflatable rubber, the rope can keep straight and the rope elongation rate can be reduced
Implementation Method 2
the ejection apparatus comprises one or any combination of following parts: a spiral spring
Implementation Method 3
pressing the apparatus storing high pressure gas, to spray out the high pressure gas in order to drive the rope to eject out
Data Source
AI summary
The present disclosure provides a lifesaving rope rescue apparatus, a life jacket and a water lifesaving device to increase the probability of rescuing the drowning victim and reduce the difficulty of water rescue. The lifesaving rope apparatus comprises a rope and an ejection apparatus used to eject the rope and is used by a rescuer to rescue the victim over water.