Foldable Low-Voltage Display Housing for Cabinet Space Limits
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Solution Overview
Problem
Conventional low-voltage devices in electrical distribution and switchgear installations have limited display capabilities, unable to convey complex information due to space constraints and simple indicator elements, limiting their functionality.
Innovation Solution
A low-voltage device with a flexible, bendable and/or foldable display unit that conforms to the housing contour, allowing for a larger display area and enhanced information presentation without requiring additional installation space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a simple display unit with small screen is used, then the device fits within space constraints of control cabinet, but complex information cannot be displayed
Solution Approach 1:
The display unit is designed to be movable relative to the housing, transitioning between a retracted position (within housing contours) and an extended position (protruding from housing). This dynamic configuration allows the display area to expand when needed for complex information presentation while retracting to maintain compact installation space in control cabinets.
Solution Approach 2:
The display unit extends in a direction perpendicular to the housing front surface, utilizing the third dimension (depth) to increase display area without expanding the horizontal or vertical footprint. This allows the display to protrude outward to provide larger viewing area while maintaining the same installation envelope within the control cabinet.
2Loss of information
If the display unit is made movable to enlarge display area, then complex information can be displayed, but device complexity increases
Solution Approach 1:
The display system is segmented into a movable display unit and a stationary housing, allowing the display function to be separated from the structural housing. This segmentation enables the display unit to be independently positioned - retracted for compact installation or extended for enhanced information display - without affecting the housing structure.
Solution Approach 2:
The display unit is nested within the housing contours when retracted, fitting inside the housing's external boundaries. When extended, it protrudes from the housing while maintaining a compact folded state within the housing volume, similar to a nested doll structure that expands and contracts.
Data Source
Figure 1~2
Figure 3~4B
Figure 5A~5B
AI summary
The invention relates to a low-voltage device for electrical distributors and switch cabinet installations, having components which are contained in a housing of the low-voltage device, wherein the housing of the low-voltage device comprises: a mounting interface for mounting the housing on a corresponding counter interface of the electrical distributor or of the switch cabinet or on a component installed in the electrical distributor or in the switch cabinet; a display housing portion of the housing, which is provided for a display unit of the low-voltage device and has one or more flexible, bendable and foldable display units, wherein the flexible display unit is provided in bent form adapted to a contour of the display housing portion of the housing of the low-voltage device or is provided in folded form on the display housing portion of the housing of the low-voltage device and can be unfolded there for increasing a display area of the display unit.