Distributor Block Phase Indicator Design
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Solution Overview
Problem
Existing distributor blocks require separate housings for different types of input cables, leading to increased costs due to the need for relabeling.
Innovation Solution
A distributor block with a display unit that indicates the type of input cable, allowing for adjustable labeling through a viewing window and a latch arrangement, enabling flexible use without the need for multiple housings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate housings with fixed markings are used for different input cable types, then cable type identification is clear and reliable, but housing cost and complexity increase due to needing multiple housing variants
Solution Approach 1:
A single housing design is used for all cable types, with the housing serving multiple functions: structural enclosure, mounting platform for the display unit, and phase indication through the viewing window. The display unit can be adjusted to show different phase markings (L1, L2, L3, N, PE) on the same housing, eliminating the need for multiple housing variants.
Solution Approach 2:
The display unit acts as an intermediary element between the housing and the cable identification function. Instead of marking the housing directly, the adjustable display unit with viewing window provides the identification information, allowing the same housing to serve different cable types through reconfiguration of this intermediary component.
2Adaptability or versatility
If the housing is relabeled for different cable types, then cable type identification is updated, but manufacturing cost and time increase
Solution Approach 1:
The display unit is made adjustable and reconfigurable rather than fixed. The phase indication markings can be dynamically changed by rotating or repositioning the display unit to different angular positions, allowing the same physical component to adapt to different cable types without manufacturing new labeled housings.
Solution Approach 2:
The orientation angle of the display unit is changed to indicate different phases. By rotating the display unit to specific angular positions (0°, 120°, 240° for three-phase systems), the same display unit can indicate different phases (L1, L2, L3) without any physical modification or relabeling.
3Reliability
If multiple housing variants are produced for different phases, then cable identification is accurate, but inventory complexity and storage requirements increase
Solution Approach 1:
A single universal housing design replaces multiple phase-specific housing variants. The housing is designed to accommodate an adjustable display unit that can indicate any phase, eliminating the need to maintain separate inventory stocks for L1, L2, L3, N, and PE cable types.
Solution Approach 2:
The functions of multiple phase-specific housings are merged into a single housing type with an adjustable display unit. Instead of having separate housings for each phase, one housing design combines all phase indication capabilities through the reconfigurable display mechanism.
Data Source
AI summary
A distributor block for connecting several electric connection cables, starting from an electric input cable to an electrically isolating housing as well as an electrically conducting terminal block, which is arranged in the housing, with the distributor block comprising at least one display unit indicating the type of input cable.