Light Grid Housing Rear Cable Routing Design
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Solution Overview
Problem
Existing light grid housings have significant blind zones at their edges, which hinder the effective monitoring of spaces and complicate the installation of multiple grids next to each other, while also requiring additional installation space for cable connections.
Innovation Solution
A light grid housing arrangement with a rear receiving space parallel to the transmitting or receiving elements for cable routing, which allows for flexible installation without increasing the device's dimensions, using a sliding block system for secure attachment and minimizing protrusion of cables beyond the housing edges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If transmitting and receiving elements are arranged up to the edge of the housing, then blind zones are minimized, but cable routing becomes more difficult and requires additional installation space
Solution Approach 1:
The patent introduces a rear receiving space that extends perpendicular to the front face of the housing, creating a third dimension for cable routing. This allows cables to be routed through the housing thickness rather than along the edges, enabling minimal blind zones while providing adequate cable management space without increasing the overall footprint.
2Area of stationary object
If housing dimensions are reduced to minimize installation space, then installation space is optimized, but cable routing space becomes insufficient
Solution Approach 1:
The housing is segmented into distinct functional zones: a front monitoring area with transmitting and receiving elements, a rear receiving space for cable routing, and intermediate transition areas. This segmentation allows each zone to be optimized independently - the front area for monitoring coverage and the rear area for cable management - while maintaining a compact overall footprint.
3Area of moving object
If multiple light grids are arranged next to each other, then monitoring coverage is expanded, but blind areas at edges increase and installation becomes more complex
Solution Approach 1:
The housing design incorporates universal features such as standardized rear receiving spaces and engagement elements that work consistently across multiple light grid units. This allows multiple grids to be arranged adjacent to each other with uniform cable routing patterns and mounting procedures, eliminating edge blind zones while simplifying the installation of multiple units through standardized interfaces.
Data Source
Figure 1~2
Figure 3~4
Figure 5a~6b
AI summary
The light curtain housing (10) is provided with multiple transmitting elements and multiple receiving elements for monitoring a monitoring space, where the transmitting elements and the receiving elements are arranged in a row. A receptacle (26) is provided on a rear side (20) averted to the interstitial space. The receptacle extends parallel to the row of the transmission elements or receiving elements.