Modular Distribution Assembly Offset Terminals
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Solution Overview
Problem
Existing modular electrical distribution assemblies face challenges in cooperating effectively with distribution combs, particularly in accommodating devices of varying widths and in allowing for efficient transplanting of terminals, due to misalignment and offset issues.
Innovation Solution
The proposed distribution assembly design includes devices with specific terminal configurations, such as double insertion terminals with lyre-shaped clamps and C-shaped springs, and additional orifices arranged with precise offsets to accommodate devices of 0.5 or 1 module widths, enabling compatibility with conventional combs and allowing for flexible arrangement and transplanting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If devices with width of 0.5 modules are introduced into the modular distribution assembly, then the versatility and adaptability of the assembly is improved, but the alignment with conventional combs having 1 module pitch becomes problematic
Solution Approach 1:
The patent introduces a second dimension of offset positioning in addition to the standard horizontal arrangement. Devices are positioned with both a left-right offset (0.25 module from the nearest side face) and a front-back offset relative to the comb teeth. This dimensional approach allows 0.5 module devices to coexist with 1 module devices while maintaining proper alignment with the comb teeth, as the offset positioning creates staggered terminal arrangements that accommodate different device widths without interfering with comb insertion.
2Adaptability or versatility
If additional orifices are added to each device to provide access to extra terminals, then the transplanting capability is improved, but the device complexity increases
Solution Approach 1:
Each device is equipped with a universal terminal configuration comprising pairs of terminals with associated orifices. The first pair of terminals (with first orifices) provides standard comb connection, while the second pair of terminals (with second orifices) enables transplanting operations. This multi-functional terminal design allows the same device structure to serve both standard distribution and flexible reconfiguration purposes, eliminating the need for different device types for different functions.
3Adaptability or versatility
If devices are arranged with offset positioning relative to the comb teeth, then the compatibility with various device widths is improved, but the installation complexity increases
Solution Approach 1:
The offset positioning of terminals and orifices is pre-configured during device manufacturing rather than requiring adjustment during installation. Devices are factory-prepared with terminals positioned at specific offsets (0.25 module from side faces, 0.5 module spacing between pairs) to ensure compatibility with the comb structure. This preliminary configuration eliminates the need for complex field adjustments and simplifies installation, as devices can be directly mounted on the comb without additional positioning operations.
Data Source
Figure 1~3
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Figure 5
AI summary
The assembly has orifices (22A, 22B) aligned along a left-right direction. The orifices are arranged opposite to both sides of main sides (12) such that one of the sides is arranged against the other side except parallelepiped shaped single-pole, two-pole modular breakers (10, 54) having 1 module width, remote from signaling auxiliaries (52, 53, 55) with 0.5 module width if a row is formed with the breakers. Horizontal distribution combs (40, 41) are placed in the row, and the breakers receive teeth (43) in the orifices that provide access to terminals at left and right, respectively.