Conductive Fabric Assembly With Recessed Electronics Retention
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Solution Overview
Problem
Incorporating electrical components into flexible fabrics is challenging due to the risk of damaging signal paths and dislodging components as the fabric is bent and stretched, making it difficult to mount structures securely.
Innovation Solution
The fabric is integrated with conductive strands and electrical components are mounted to the fabric, secured with polymer overmolding and mating engagement features, and can be positioned in gaps or recesses with conductive strands terminating in these areas for electrical coupling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If electrical components are mounted directly to fabric, then functionality is enhanced, but the components may become dislodged as fabric is bent and stretched
Solution Approach 1:
The electrical component is nested within a recess formed in the fabric, creating a protective cavity that holds the component securely. The recess is configured to receive and retain the electrical component, preventing it from becoming dislodged during fabric deformation while maintaining the enhanced functionality of the integrated electronics.
2Adaptability or versatility
If electrical components are mounted to fabric, then enhanced functionality is provided, but signal paths may be damaged as fabric is bent and stretched
Solution Approach 1:
The conductive strands are routed into the recess and connected to the electrical component within the protected cavity. This nesting arrangement shields the signal paths from damage during fabric deformation, as the recess provides mechanical protection to the delicate electrical connections while maintaining signal integrity for enhanced functionality.
Solution Approach 2:
The recess structure provides beforehand cushioning and protection to the signal paths and electrical connections. By pre-forming the recess cavity before final assembly, the design anticipates and mitigates the harmful effects of fabric bending and stretching on the electrical components and signal paths, ensuring reliable operation.
3Adaptability or versatility
If fabric is made flexible for wearable applications, then comfort and adaptability are improved, but it becomes difficult to mount structures securely
Solution Approach 1:
The fabric is segmented to form a recess structure that creates a distinct mounting zone. By dividing the fabric structure into regions (the recess cavity and the surrounding fabric), the design enables secure component mounting while preserving the overall flexibility of the fabric for wearable applications. The recess acts as a localized structural feature within the flexible fabric matrix.
Solution Approach 2:
The recess provides localized structural characteristics within the flexible fabric. By concentrating the mounting functionality in a specific local region (the recess cavity) rather than requiring the entire fabric to be rigid, the design enables secure component attachment while maintaining the global flexibility and comfort needed for wearable applications.
Data Source
AI summary
Fabric may include conductive strands and electrical components. The fabric may include first and second fabric segments separated by a gap. An electrical component may be mounted in the gap. The first fabric segment may have a first conductive strand that terminates in the gap and electrically couples to the component. The second fabric segment may have a second conductive strand that terminates in the gap and electrically couples to the component. An electrical component may be mounted in a recess in fabric and may be attached to conductive strands that terminate in the recess. Polymer material may be overmolded onto the component and may attach the component to the surrounding fabric. The polymer material and the electrical component may have mating engagement features. Fabric edges may overlap one another at a joint and may be sandwiched between first and second portions of an electrical component.