Flexible Circuit Service Loop for Safe Component Removal
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Solution Overview
Problem
Ensuring that components on flexible circuit boards can be removed or replaced without damaging other components, such as battery cells, is a challenge in devices like portable electronic devices.
Innovation Solution
A cowling is attached to a flexible circuit board to maintain a portion in a compressed state, allowing it to transition into a decompressed state, creating space for component removal or installation without affecting other components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If components are tightly integrated on flexible circuit boards, then device functionality and compactness are improved, but component removal and replacement becomes difficult and may damage other components
Solution Approach 1:
The flexible circuit board is divided into distinct regions with different structural characteristics. Service loops are separated from main circuit pathways, allowing independent manipulation of service loops while preserving main circuit functionality. This segmentation enables selective component removal without affecting the entire board.
Solution Approach 2:
The flexible circuit board incorporates dynamic structural changes through service loops that can transition between compressed and decompressed states. When the cowling is attached, service loops are compressed to maintain compact integration. When the cowling is detached, service loops expand to create access space for component removal and replacement.
2Volume of moving object
If flexible circuit boards are compressed to reduce device volume, then compactness is improved, but access to components for maintenance becomes difficult
Solution Approach 1:
Service loops are pre-configured in a compressed state within the flexible circuit board structure, allowing the device to maintain compact volume during normal operation. When component maintenance is needed, the cowling is detached to enable service loops to expand and create access pathways, providing preliminary preparation for both compact operation and maintenance access.
Solution Approach 2:
The service loops act as intermediary elements between the compressed circuit board structure and the components requiring maintenance. By expanding service loops, physical access is created without requiring disassembly of the entire device or permanent structural changes, serving as a temporary intermediary space for maintenance operations.
3Ease of operation
If service loops are permanently expanded to provide access space, then component accessibility is improved, but device compactness and structural integrity deteriorate
Solution Approach 1:
Service loops are designed with dynamic structural properties that allow them to transition between compressed and expanded states. The loops maintain structural integrity in the compressed state for compact device configuration, and can be temporarily expanded when the cowling is detached to provide access space during maintenance operations.
Solution Approach 2:
The service loops undergo periodic compression during device assembly and operation to maintain compactness, and periodic expansion during maintenance operations to provide access. This periodic action between compressed and expanded states allows the system to alternate between compactness and accessibility requirements without permanent structural compromise.
Data Source
AI summary
Aspects of the present disclosure involve a cowling configured to be attached to a flexible circuit board. In general, a device includes a flexible circuit board and a cowling. A first end of the cowling is configured to be attached to a first surface of the flexible circuit board to maintain a portion of the flexible circuit board in a compressed state under the cowling. The first end of the cowling is configured to be detached from the first surface of the flexible circuit board to enable the portion of the flexible circuit board to transition out of the compressed state and into a decompressed state.