Cable Connector Magnetic Indicator for Full Insertion
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Solution Overview
Problem
Existing automatic splices for electrical cables lack an indication of full insertion, leading to potential conductor slippage and require excessive force for insertion, posing safety hazards.
Innovation Solution
A cable connector with a movable indicator and magnet system that indicates full insertion by moving an indicator from an exposed to an unexposed position, reducing the required insertion force through a spring-activated support mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a magnetic indicator system is added to indicate full insertion, then the reliability of connection is improved, but the device complexity increases
Solution Approach 1:
The patent uses a magnetic indicator that changes its visible state (exposed or retracted) based on the insertion depth of the conductor. The indicator is a magnetized component that interacts with a permanent magnet in the connector body, providing a clear visual signal through positional change rather than color change, but the principle of using a visible indicator to show state change is analogous.
Solution Approach 2:
The patent replaces a potentially complex mechanical indication system with a magnetic field-based system. The permanent magnet and magnetized indicator work together through magnetic attraction and repulsion forces, eliminating the need for mechanical linkages, springs, or moving parts that would be required in a purely mechanical indication system.
2Strength
If excessive force is required to insert conductors, then the strength of connection is improved, but the ease of operation deteriorates
Solution Approach 1:
The patent incorporates a cam mechanism that performs preliminary action during the insertion process. The cam profile is designed to guide the conductor into the correct position and provide initial engagement, reducing the force required by the operator. The cam converts the operator's pushing motion into controlled engagement of the conductor with the connector, ensuring proper alignment and reducing insertion resistance before the final securing force is applied.
Solution Approach 2:
The patent uses a spring-loaded clamp mechanism that dynamically adjusts the clamping force on the conductor. The spring provides gradual engagement and maintains optimal contact pressure, allowing the connector to adapt to variations in conductor size and material. This dynamic system reduces the peak force required during insertion while ensuring sufficient holding strength once engaged.
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
Ensures safe and secure cable connection by providing a visual indication of full insertion and reducing the force needed for cable insertion, thereby preventing slippage and enhancing safety.
Implementation Method 1
the magnet moves the indicator to the unexposed position to indicate full insertion of the cable
Data Source
AI summary
A cable connector includes a body member having a first opening to receive a cable and a second opening. An indicator is received in the second opening and is movable between exposed and unexposed positions. A magnet is disposed in the body member and is aligned with the second opening. A support member is movable between first and second positions. When the support member is in the first position, the support member is disposed between the magnet and the indicator such that the indicator is in the exposed position. When the support member is in the second position the support member is withdrawn from between the magnet and the indicator such that the magnet moves the indicator to the unexposed position to indicate full insertion of the cable.