Integral Cover Assembly for Electrical Cable Connections
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Solution Overview
Problem
Existing methods for protecting and connecting electrical cables, such as cold shrinkable covers, face challenges in performance and installation, particularly in ensuring electrical continuity and environmental sealing between concentric neutral cables.
Innovation Solution
A method and kit using an integral, unitary cover assembly with inner and outer elastomeric sleeves, neutral protective sleeves, and a neutral connector to form a connection assembly that provides mechanical and electrical coupling between neutral conductors, while ensuring environmental sealing and ease of installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate cold shrink tube and re-jacketing cover are used, then coverage of primary conductors and neutral conductors is achieved, but installation complexity increases and performance reliability decreases
Solution Approach 1:
The patent combines the cold shrink tube and re-jacketing cover into a single integrated cover assembly that simultaneously covers both primary conductors and neutral conductors. This unified structure eliminates the need for separate components and sequential installation steps, thereby reducing installation complexity while maintaining comprehensive protection and improving performance reliability through integrated design.
Solution Approach 2:
The integrated cover assembly performs multiple functions: it acts as both the cold shrink tube for primary conductor protection and the re-jacketing cover for neutral conductor protection. This multi-functional design reduces the number of components needed and simplifies the installation process while ensuring consistent performance across all conductors.
2Ease of operation
If integral unitary cover assembly is used, then installation ease improves, but manufacturing complexity increases
Solution Approach 1:
While the cover assembly is integrated, it is designed with distinct functional zones and modular components that can be manufactured separately and then assembled into the final unitary structure. This segmentation approach allows each component to be optimized for its specific function during manufacturing, reducing overall manufacturing complexity while maintaining the benefits of an integrated assembly during installation.
3Object-affected harmful factors
If neutral conductors are routed exteriorly of outer sleeve, then environmental sealing is improved, but device complexity increases
Solution Approach 1:
The neutral conductors are routed through a nested configuration where they pass through the outer sleeve and are contained within protective channels or conduits that are themselves nested within the cover assembly structure. This nested arrangement maintains environmental sealing by keeping conductors protected while allowing exterior routing for connection purposes, without significantly increasing overall device complexity.
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 solution ensures reliable electrical continuity and environmental sealing between electrical cables, improving installation ease and performance by using a pre-assembled cover assembly that shrinks onto the cables without heat, addressing the limitations of existing methods.
Implementation Method 1
cold shrinkable covers are commonly employed to protect or shield electrical power cables and connections
Data Source
AI summary
A method for forming a connection assembly includes: forming an electrical connection between first and second electrical cables, the first cable including a first primary conductor and a first neutral conductor, the second cable including a second primary conductor and a second neutral conductor; and providing an integral, unitary cover assembly. The cover assembly includes: an inner elastomeric sleeve defining a cable passage to receive the electrical connection and the first and second primary conductors; and an outer elastomeric sleeve surrounding the inner sleeve. The method further includes: mounting the cover assembly on the cables such that the electrical connection and the first and second primary conductors extend through the cable passage; installing a first protective sleeve on a first neutral segment of the first neutral conductor; routing the first neutral segment and the first protective sleeve exteriorly of the outer sleeve to a second neutral segment of the second neutral conductor; and mechanically and electrically coupling the first and second neutral segments to thereby provide electrical continuity between the first neutral conductor and the second neutral conductor.