Coded Current Guide Rail for Error-Proof Light Strip Connection
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Solution Overview
Problem
Existing luminaire systems face challenges in ensuring correct and secure electrical connections between conductor wires due to the complexity of aligning contact devices with conductor rails, particularly in long, elongated luminaires, leading to potential misconnections and safety risks.
Innovation Solution
A current guide rail design with displaceable current conducting profiles that interlock comb-like, featuring coding channel walls to ensure proper alignment and insulation, combined with a contact device having a protective mechanism to prevent incorrect insertion, ensuring secure electrical connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If contact devices are aligned with conductor rails in long, elongated luminaires, then electrical connections can be established, but the complexity of alignment increases and misconnections may occur
Solution Approach 1:
The patent employs asymmetric coding channel walls with specific protrusions and recesses that create a unique geometric code for each contact device. This asymmetric design ensures that only the correctly oriented contact device can be inserted into the conductor rail, eliminating misalignment and misconnection issues while maintaining connection reliability in elongated luminaires.
Solution Approach 2:
The coding channel walls are pre-configured with specific geometric patterns before assembly. This preliminary coding ensures that when the contact device is inserted, the alignment is automatically correct without requiring complex real-time adjustment or alignment procedures during installation of long luminaires.
2Manufacturing precision
If coding channel walls are added to ensure proper alignment, then connection accuracy improves, but the device structure becomes more complex
Solution Approach 1:
The coding channel walls utilize asymmetric geometric features (protrusions and recesses) that provide precise alignment coding. This approach achieves high manufacturing precision through simple geometric forms rather than complex mechanisms, maintaining structural simplicity while ensuring accurate contact device positioning.
Solution Approach 2:
The coding features are localized to specific regions of the channel walls rather than requiring complex overall结构设计. The protrusions and recesses are concentrated at critical alignment points, providing precise positioning without adding complexity to the entire device structure.
3Stability of the object's composition
If current conducting profiles are made displaceable to accommodate thermal expansion, then thermal stress is reduced, but electrical insulation reliability may be compromised
Solution Approach 1:
The current conducting profiles are designed to be displaceable relative to each other, allowing dynamic adjustment to accommodate thermal expansion and contraction. This dynamic capability reduces thermal stress while maintaining electrical insulation through the maintained spacing and insulation structures between profiles.
Solution Approach 2:
Insulation structures act as intermediaries between the displaceable current conducting profiles, ensuring that even when profiles move relative to each other due to thermal effects, the electrical insulation is maintained through the intermediary insulation elements that prevent direct contact.
Data Source
Figure 1a~1b
Figure 1c~2a
Figure 2b~2c
AI summary
The invention relates to a current conducting rail 3 which has open channels on an access side of the current conducting rail 3, wherein at least one elongated conductor wire 4 is arranged in at least some of the channels, wherein the current conducting rail 3 has two current conducting profiles 31, 32 which are arranged one behind the other and are displaceable relative to one another, wherein the current conducting profiles 31, 32 engage in one another in a comb-like manner, wherein two of the channel walls 30 are designed as first and second coding channel walls 301, 302, which each form a coding section 311, 312, wherein the first and the second current conducting profile 31, 32 each form a first and a second longitudinal section of each of the two coding channel walls 301, 302, wherein the first longitudinal sections 3111, 3121, 3211, 3212 extend in the plugging direction S over the second longitudinal sections 3112, 3122, 3212, 3222 protrude and the first longitudinal section 3111 of the first orsecond coding channel wall 301, 302 projects beyond the second longitudinal section (3212) of the respective coding channel wall 301, 302 formed by the respective other current conducting profile (31, 32).