Reinforced Electric Wire Using Internal Threads for Tensile Strength
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Solution Overview
Problem
Existing electric light strings lack sufficient tensile strength to withstand decorative forces and environmental conditions without breaking, posing safety risks and failing to meet regulatory standards, while increasing the wire thickness or using multiple wires is costly.
Innovation Solution
Incorporating a reinforcing string with high tensile strength, made of materials like nylon, polyester, or polypropylene, intermixed with conductor strands within an insulator jacket to enhance the overall tensile strength of the wire without significant cost increases.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If thicker wire or multiple wires are used to increase tensile strength, then the mechanical strength of the wire is improved, but the manufacturing cost increases significantly
Solution Approach 1:
The patent applies composite materials by combining copper conductor strands with synthetic reinforcing fibers (nylon, polyester, or polypropylene) to create a wire that achieves high tensile strength without increasing copper content. The reinforcing fibers are intermixed with the conductor strands within the insulator jacket, creating a composite structure that provides mechanical strength at lower cost than using thicker copper wire alone.
2Strength
If a reinforcing string is added inside the insulator jacket, then the tensile strength is improved, but the device complexity increases
Solution Approach 1:
The patent merges the electrical conductor function and the mechanical reinforcement function into a single integrated wire structure. The reinforcing string is placed inside the insulator jacket alongside the copper conductor strands, combining multiple functions (electrical conduction, mechanical strength, insulation) into one unified component rather than separate assemblies.
Solution Approach 2:
The insulator jacket serves multiple functions: it provides electrical insulation for the copper conductors, contains and protects the reinforcing string, and contributes to the overall structural integrity of the wire. This multi-functionality reduces the need for additional separate components.
Data Source
AI summary
The present invention is for reinforced electric wires as used in holiday lighting such as Christmas light strings. The reinforced electric wire comprises a conductor, reinforcing threads, and an insulator jacket.