Terminal Block Bus Module With Snap-Fit Modular Length Control
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Solution Overview
Problem
Existing terminal block bus structures face challenges in accommodating varying quantities and widths of terminal blocks, as the fixed length of conductive plates can lead to exposure issues or insufficient length, necessitating an adjustable solution to prevent short circuits and foreign matter entry.
Innovation Solution
A bus module with an insulating body and conductors, featuring locking arms and snap-fit connections, allows for serial assembly with a rail, enabling flexible configuration to accommodate different terminal block requirements, including a foolproof structure to prevent incorrect installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the conductive plates have a fixed length, then the manufacturing is simple, but the conductive plates are either partially exposed or insufficient length to accommodate different terminal block configurations
Solution Approach 1:
The bus structure is divided into multiple conductive plates of different lengths, arranged in a specific sequence. This segmentation allows the bus to accommodate terminal blocks of varying widths by exposing only the necessary number of conductive plates, thereby improving adaptability without requiring a completely redesignable structure.
Solution Approach 2:
The bus structure with multi-length conductive plates serves multiple functions: it can accommodate different quantities and widths of terminal blocks, provide electrical connections for various configurations, and maintain a fixed overall structure. This universal design eliminates the need for different bus structures for different terminal block configurations.
2Adaptability or versatility
If the conductive plates are made longer to accommodate more terminal blocks, then the adaptability increases, but the risk of short circuits and foreign matter entry increases
Solution Approach 1:
Instead of using one long conductive plate, the bus structure uses multiple conductive plates of different lengths. Only the necessary portion is exposed to accommodate terminal blocks, while the remaining portions are covered by insulating covers, thereby reducing the risk of short circuits and foreign matter entry.
Solution Approach 2:
Insulating covers are introduced as intermediary elements to cover the exposed conductive plates. These covers prevent direct contact between conductive plates and foreign matters, and also prevent short circuits between adjacent conductive plates, thereby eliminating the harmful effects while maintaining adaptability.
3Object-affected harmful factors
If the conductive plates are made shorter to reduce exposure, then the safety improves, but the ability to accommodate different terminal block widths decreases
Solution Approach 1:
The conductive plates are segmented into different lengths and arranged in a specific sequence. This allows the bus to expose only the necessary number of conductive plates to accommodate terminal blocks of different widths, thereby maintaining safety by minimizing exposure while preserving adaptability.
Solution Approach 2:
Different portions of the bus structure have different qualities: some conductive plates are longer to accommodate wider terminal blocks, while others are shorter for safety. The insulating covers are applied selectively to cover only the necessary portions, thereby achieving local optimization of both safety and adaptability.
4Object-affected harmful factors
If a cover is added to cover the exposed conductive plates, then the safety improves, but the device complexity increases
Solution Approach 1:
The insulating covers are integrated with the bus structure as a unified assembly. The covers are designed to fit over the conductive plates and are retained by the bus structure, merging the protective function with the structural design. This reduces the perceived complexity by presenting a unified component rather than separate parts.
Solution Approach 2:
The insulating covers serve as intermediary elements that simplify the overall design by providing a single protective solution for multiple conductive plates. Rather than designing complex protective mechanisms for each conductive plate, the covers act as simple intermediary protective elements.
Data Source
AI summary
A bus module (100) includes an insulating body (10) and multiple conductors (20), and the insulating body (10) includes a first insulator (11), a second insulator (12) installed at a position corresponding to the first insulator (11), and two locking arm (111) installed on two sides of the first insulator (11) separately. Each conductor (20) is parallelly embedded in the insulating body (10) and includes a lapping plate (21), a clamping portion (22) extended from the lapping plate (21) and an end pin (23) extended from the lapping plate (21) in a direction away from the clamping portion (22), and the lapping plate (21) is disposed between the first insulator (11) and the second insulator (12) and exposed to the outside, and the clamping portion (22) is accommodated in the second insulator (12), and the end pin (23) is accommodated in the first insulator (11).