Electrical Connector Grooves Ridges Material Reduction
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Solution Overview
Problem
The increasing costs of raw materials for electrical connectors, particularly copper and aluminum, and the need to optimize battery life in battery-powered crimping tools for efficient crimping operations in industries like utility, construction, and repair.
Innovation Solution
Designing an electrical connector with a tube shape featuring longitudinal grooves and ridges on both the exterior and interior surfaces, which reduces material usage while enhancing heat transfer and crimping efficiency through extrusion, allowing for less energy consumption by crimping tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If traditional smooth tube design is used, then manufacturing is simpler, but material costs increase and battery life decreases
Solution Approach 1:
The tube surface is segmented into grooves and ridges, dividing the continuous surface into distinct regions that reduce material usage while maintaining structural integrity. This segmentation allows the connector to use less material compared to a solid smooth tube, directly addressing the contradiction between material quantity and manufacturing simplicity.
Solution Approach 2:
The grooves and ridges create local variations in surface quality, concentrating material where structurally necessary and removing it where less critical. This local differentiation optimizes material distribution, reducing overall material usage while maintaining manufacturing feasibility through standard extrusion processes.
2Temperature
If more material is used in the connector, then strength and heat dissipation improve, but material costs and crimping energy consumption increase
Solution Approach 1:
The surface topology is changed from two-dimensional flat surfaces to three-dimensional grooves and ridges, increasing surface area without proportionally increasing material volume. This dimensional transformation enhances heat dissipation efficiency while minimizing additional material usage, thereby reducing crimping energy consumption.
Solution Approach 2:
The physical parameters of the connector surface are changed by introducing grooves and ridges, which increase surface area-to-volume ratio. This parameter change improves heat dissipation efficiency per unit of material, allowing effective heat management with reduced material consumption and lower crimping energy requirements.
3Ease of operation
If battery-powered crimping tools are used, then portability improves, but battery life decreases due to higher energy consumption
Solution Approach 1:
The design converts the potential harm of high energy consumption into a benefit by optimizing the connector geometry to reduce crimping forces required. The grooves and ridges facilitate material flow and deformation, transforming the crimping process into a more energy-efficient operation, thereby extending battery life while maintaining portability.
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 connector design reduces material costs, prolongs battery life by decreasing crimping time, and improves thermal efficiency by increasing the surface area for heat dissipation, thus optimizing material usage and tool performance.
Implementation Method 1
improves thermal efficiency by increasing the surface area for heat dissipation
Implementation Method 2
increasing the surface area for heat dissipation
Implementation Method 3
forming longitudinal grooves and ridges on an exterior surface of the tube
Data Source
AI summary
An electrical connector including a tube having a conductor receiving channel which is substantially closed except at one or more ends of the channel. The tube includes an exterior surface having longitudinal grooves and ridges along a longitudinal length the tube.