Switchgear Cabinet Transverse Frame Profiles for Busbar Access
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Solution Overview
Problem
Existing switchgear cabinets are cumbersome and time-consuming to couple, with restricted access to busbar connection points due to internal fixtures and scaffolding frames, making it difficult to connect multiple cabinets and access busbars, especially when arranged vertically.
Innovation Solution
The switchgear cabinet design features transversely spaced frame profiles, allowing easy access to busbar connection points by utilizing gravity and providing sufficient clearance for tool access, with frame profiles offset inward to facilitate coupling and maintenance from the outside.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If frame profiles are positioned at the coupling level of control cabinets, then structural stability is improved, but access to busbar connection points is restricted
Solution Approach 1:
The frame profile is divided into two functional parts: a first portion positioned at the coupling level for structural stability, and a second portion offset from the coupling level to provide access to connection points. This segmentation allows each part to fulfill its specific function without compromising the other.
Solution Approach 2:
The frame profile extends in the transverse direction beyond the coupling level, creating a multi-dimensional structure. The second portion of the frame profile is offset transversely from the coupling level, providing access to busbar connection points from the front of the cabinet rather than requiring access from inside the cabinet.
2Quantity of substance
If multiple control cabinets are lined up laterally, then electrical component capacity is improved, but coupling complexity increases
Solution Approach 1:
The frame profile serves multiple functions: it provides structural support, defines the coupling interface between cabinets, and creates access pathways to busbar connection points. The busbar arrangement also serves dual purposes by being accessible both from inside the cabinet for component connection and from the front for cabinet coupling.
Solution Approach 2:
The frame profile acts as an intermediary structure that facilitates coupling between cabinets. By offsetting the second portion of the frame profile from the coupling level, it creates a natural access pathway that guides installation personnel to the busbar connection points, simplifying the coupling process.
3Volume of moving object
If busbars are arranged in the roof area of switch cabinet, then space utilization is improved, but assembly difficulty increases
Solution Approach 1:
The frame profile extends in the transverse direction to provide access to the busbars arranged in the roof area. The second portion of the frame profile creates a access pathway from the front of the cabinet, allowing assembly personnel to reach the busbars without working against gravity from above.
4Ease of operation
If frame profiles are offset inward from cuboid edges, then access to connection points is improved, but manufacturing precision requirements increase
Solution Approach 1:
The frame profile is segmented into a first portion aligned with the coupling level and a second portion offset from the coupling level. This segmentation allows the offset portion to provide access to connection points while the aligned portion maintains structural stability and simplifies manufacturing by providing clear reference edges.
Data Source
AI summary
The invention specifies a switchgear cabinet (1a..1f) with a substantially cuboidal outer contour which comprises a frame which is formed in said cuboid and has a plurality of frame profiles (1..12, 16, 17). The switchgear cabinet (1a..1f) further comprises a busbar (13) which runs within the frame to form at least one first cuboid face (A) which is delimited by first cuboid edges. In the presented switchgear cabinet (1a..1f), there is at least one first cuboid edge (C) from which all of the frame profiles (1..12, 16, 17) are at least partially transversely spaced apart.