Nested Flexible PCB for Aerosol Device Space Utilization
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Solution Overview
Problem
Aerosol generation devices face challenges in efficiently utilizing interior space due to increasing electronic and electrical components, leading to manufacturing complexity and limited adaptability across different devices.
Innovation Solution
The use of a combination of rigid and flexible printed circuit boards (PCBs) that can adapt to various interior spaces, allowing for a more efficient use of space by increasing the surface area for components without expanding the device's size, and enabling the same functionality in a more compact form.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If multiple rigid PCBs are arranged at different positions and orientations to improve space utilization, then space efficiency improves, but device complexity and manufacturing complexity increase
Solution Approach 1:
The circuit board is segmented into rigid and flexible portions, allowing the rigid PCB to provide structural support and component mounting at critical positions while the flexible FPC connects to other rigid PCBs, eliminating the need for multiple separate rigid PCBs and reducing manufacturing complexity
Solution Approach 2:
A flexible printed circuit (FPC) is used to connect rigid PCBs, replacing traditional rigid PCB connections. The FPC can be routed through available interior spaces and conform to different device layouts, improving space utilization without increasing manufacturing complexity
2Adaptability or versatility
If flexi-rigid PCBs are used to provide connections between rigid PCBs, then adaptability improves, but space utilization efficiency does not improve
Solution Approach 1:
The circuit board is divided into rigid and flexible portions, with the rigid part providing stable component mounting and the flexible part providing adaptive routing. This segmentation allows the flexible portion to conform to different interior spaces while maintaining efficient space utilization
Solution Approach 2:
The flexible printed circuit allows routing in three-dimensional space rather than being constrained to a single plane. The FPC can bend and route through available interior spaces, utilizing vertical and diagonal dimensions to improve overall space utilization efficiency
3Adaptability or versatility
If electronic components are increased to improve functionality, then device functionality improves, but interior space constraints worsen
Solution Approach 1:
The flexible printed circuit (FPC) allows electronic components to be mounted on a flexible substrate that can be routed through and conform to the available interior spaces of the device. This enables increased component count and functionality without being constrained by rigid planar limitations, effectively utilizing three-dimensional interior space
Data Source
AI summary
An aerosol generation device with a flexible PCB improves the efficient use of interior space inside the aerosol generation device. An aerosol generation device includes a first rigid printed circuit board (PCB) arranged in a first plane, and a first flexible printed circuit (FPC). The first rigid PCB is attached to a first portion of the first FPC, the first FPC having a first portion of the first FPC is arranged in a second plane that is substantially parallel to and different from the first plane, and a second portion of the first FPC connects the first portion of the first FPC to the first rigid PCB.