Snap Mounting Base for Circuit Breaker Wiring Lugs
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Solution Overview
Problem
Existing solutions for coupling circuit breakers to wiring lugs lack secure and efficient mechanisms for electrical and mechanical connection, particularly in terms of alignment and retention, which can lead to unstable and unreliable connections.
Innovation Solution
A mounting base made of thermoplastic or thermoset material that snapably couples to a wiring lug, featuring alignment features and snap mechanisms to securely retain the wiring lug and circuit breaker, ensuring stable electrical coupling and insulation between the circuit breaker and enclosure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing coupling mechanisms are used for circuit breakers to wiring lugs, then assembly is simpler, but connection stability and reliability deteriorate due to lack of secure retention and alignment
Solution Approach 1:
The mounting base integrates multiple functions into a single component: it provides alignment features for precise positioning, snap mechanisms for secure retention, and electrical insulation between the circuit breaker and enclosure. This merging of functions achieves reliable connections without requiring separate alignment tools, retention devices, and insulators, thus improving reliability while avoiding increased complexity
Solution Approach 2:
The mounting base acts as an intermediary component between the wiring lug and the circuit breaker enclosure. It provides the snapable coupling mechanism that securely connects the wiring lug to the enclosure, while also providing electrical insulation. This intermediary solution resolves the contradiction by creating a stable connection pathway without requiring direct complex coupling between the wiring lug and breaker
2Reliability
If snapable coupling mechanisms are added to securely retain wiring lugs, then connection reliability improves, but device complexity increases
Solution Approach 1:
The snap mechanism is designed to be self-contained within the mounting base, requiring no external fasteners, clips, or retention devices. The snapable coupling mechanism automatically provides secure retention when the wiring lug is installed, eliminating the need for additional retention components. This self-service approach improves retention security while avoiding increased device complexity
Solution Approach 2:
The mounting base uses material property changes (thermoplastic or thermoset materials) to provide both structural integrity and snapable coupling capability. By selecting materials with appropriate elasticity and strength parameters, the base can provide secure retention through integrated snap features without requiring complex mechanical retention structures, thus improving reliability while maintaining simplicity
3Manufacturing precision
If alignment features are integrated into the mounting base, then manufacturing precision improves, but device complexity increases
Solution Approach 1:
The alignment features are merged directly into the mounting base structure as integral elements rather than separate components. The base includes built-in alignment features that guide and position the wiring lug during installation, ensuring precise alignment without requiring external alignment tools or separate alignment components. This integration achieves manufacturing precision while avoiding increased device complexity
Solution Approach 2:
The mounting base provides self-alignment capability through its integrated alignment features, which automatically guide the wiring lug into the correct position during installation. This self-service alignment eliminates the need for external alignment devices or complex adjustment mechanisms, achieving precise alignment while maintaining structural simplicity
Data Source
AI summary
Certain exemplary embodiments comprise a mounting base adapted to be snapably coupled to a wiring lug. The wiring lug can comprise a prong, which can be adapted to electrically couple a circuit breaker to the wiring lug. The mounting base can define a chamber adapted to receive the wiring lug.