Movable Contact Adapter for Line Voltage Track Installation
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Solution Overview
Problem
Current electrical track lighting adapters are difficult to install, lack reliable electrical contacts, and pose a risk of electrocution due to fixed contacts that require precise alignment and lack a safety gap, making installation cumbersome and potentially hazardous.
Innovation Solution
An adapter with a movable contact system that can be biased to engage or disengage from the track, featuring a housing with a pivotable cover and a sleeve that moves axially to secure the contact, ensuring safe installation and reliable electrical connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If fixed electrical contacts are used in the adapter housing, then the adapter structure is simple, but the adapter requires precise alignment and creates electrocution risk during installation
Solution Approach 1:
The patent applies the dynamics principle by making the electrical contact movable rather than fixed. The contact is biased by a spring to engage with the track conductor, allowing automatic adjustment during installation without requiring precise alignment. The movable contact transitions from a disengaged position during installation to an engaged position during operation, resolving the contradiction between structural simplicity and installation ease.
2Device complexity
If fixed electrical contacts are used in the adapter housing, then the adapter structure is simple, but the adapter poses electrocution risk due to lack of safety gap
Solution Approach 1:
The movable contact design creates a safety gap during installation by default. The contact is biased away from the track conductor until engagement occurs, providing a natural safety buffer. This dynamic positioning eliminates the electrocution risk associated with fixed contacts while maintaining structural simplicity through the spring-biased mechanism.
3Ease of manufacture
If fixed electrical contacts are used, then manufacturing is simple, but contact reliability is poor due to small tolerance for error
Solution Approach 1:
The spring-biased movable contact provides inherent tolerance compensation. During manufacturing, variations in positioning are absorbed by the spring mechanism, allowing the contact to self-adjust to achieve reliable engagement with the track conductor. This dynamic system maintains manufacturing simplicity while significantly improving contact reliability through automatic positioning adjustment.
4Reliability
If precise positioning is required for fixed contacts, then contact engagement is reliable, but installation time increases and difficulty increases
Solution Approach 1:
The movable contact design eliminates the need for precise positioning during installation. The spring-biased contact automatically engages with the track conductor through mechanical interaction, providing reliable contact engagement without requiring the service person to perform precise alignment. This reduces installation time and difficulty while maintaining engagement reliability.
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 adapter simplifies installation by allowing safe engagement and disengagement of electrical contacts, reducing the risk of electrocution and improving contact reliability through a movable contact mechanism that provides a gap during installation and maintains contact pressure, thus enhancing user safety and reducing wear and tear.
Implementation Method 1
The contact is biased by a spring
Data Source
AI summary
An adapter for an electrical line voltage track system includes a housing having a first end adapted for mounting to an electrical source or an electrical fixture, and a second end adapted for mounting to a line voltage track. The housing includes a housing cover coupled to a housing body. The housing cover is movable relative to the housing body between a closed position and an open position. A supporting sleeve is movably coupled to the housing, and a plurality of electrical contacts, including a fixed contact and a movable contact, are also coupled to the housing. The movable contact is movable, relative to the housing, between an engaged position and a disengaged position. In the engaged position, the movable contact causes electrical contact with the line voltage track. In the disengaged position, electrical contact is removed.