Cable Bracket Rail Layout for Consistent RF Cable Routing
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Solution Overview
Problem
Cable routing within electronic devices affects signal performance, particularly at high frequencies, leading to intermodulation products and out-of-band emissions, and requires consistent routing for uniform radio frequency operation.
Innovation Solution
A cable bracket system with multiple rail members and edge retention members provides precise routing and secure attachment of cables, using molded non-conductive plastic components with angled retention members and cover members to maintain cable position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional cable routing methods are used, then device volume can be reduced, but cable routing consistency and signal performance deteriorate due to variability in manual routing
Solution Approach 1:
The cable bracket is divided into multiple functional segments: rail members for guiding cables through specific paths, edge retention members for securing cables at critical points, and curved transition sections for directional changes. This segmentation allows each component to perform its specific function optimally while maintaining overall routing consistency across manufactured devices.
Solution Approach 2:
The cable bracket is designed as a self-contained structure that automatically guides and secures cables through its geometric features (rails, edges, curves) without requiring external fasteners, cable ties, or manual adjustment. The structure itself provides the retention and guidance functions, eliminating the need for additional components.
2Stability of the object's composition
If cables are secured with additional components like cable ties, then cable position stability improves, but device complexity and manufacturing steps increase
Solution Approach 1:
The functions of cable guidance, retention, and positioning are merged into a single integrated cable bracket structure. The rail members, edge retention members, and curved transitions work together as one unified component that simultaneously provides all necessary cable control functions without requiring separate cable ties or fasteners.
Solution Approach 2:
The cable bracket structure itself provides the retention function through its geometric features (raised edges, curved surfaces, rail configurations) rather than requiring external retention components. The structure serves its own retention needs through its design.
3Productivity
If manual cable routing operations are used, then flexibility in cable placement is maintained, but manufacturing productivity and consistency deteriorate
Solution Approach 1:
The cable bracket is pre-configured with predetermined rail paths, curved transitions, and edge retention positions that define the exact cable route before assembly. This preliminary structuring of the routing path allows cables to be installed quickly and consistently without requiring manual routing decisions during assembly, thereby improving manufacturing efficiency while maintaining installation ease through the pre-defined clear path.
4Volume of moving object
If cables are routed closer to radio components to minimize device volume, then device compactness improves, but signal interference and intermodulation products increase
Solution Approach 1:
The cable bracket creates segmented routing zones with rail members for signal-carrying cables and designated areas for power cables, separating different signal types to minimize interference. The structured paths ensure that even in compact configurations, critical signal cables maintain appropriate spacing from radio components and other cables through the defined rail geometry.
Data Source
AI summary
A cable bracket includes multiple rail members and edge retention members. A first rail member is oriented in a first direction and supports a first cable section. A second rail member is coupled at one end to the first rail member and supports a second cable section. The second rail member is curved and provides a transition from the first direction to a second direction. A third rail member is coupled to the other end of the second rail member and supports a third cable section. At least part of the third rail member is oriented in the second direction. The edge retention members are coupled to at least one side edge of the third rail member and spaced along a length of the third rail member. The edge retention members retain at least part of the third cable section on a surface of the third rail member.