Aerosol Power Unit Circuit Layout for EMI-Resistant Communication
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Solution Overview
Problem
The existing aerosol generation devices lack an optimal configuration for mounting communication modules on circuit boards, which affects the performance and efficiency of the power source units.
Innovation Solution
A power source unit for aerosol generation devices is designed with a communication module mounted on one end of the circuit board, an integrated circuit on the other end, and other electronic components arranged to minimize interference and optimize communication functionality, ensuring effective communication with external devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the communication module is mounted close to the integrated circuit on the circuit board, then the device complexity is reduced, but the communication performance deteriorates due to increased noise interference
Solution Approach 1:
The patent applies local quality by creating different spatial zones on the circuit board with distinct functional characteristics. The communication module is positioned in a specific region (one end of the circuit board) that is spatially separated from noise-sensitive areas, while the integrated circuit is placed in another region. This spatial zoning ensures that the communication module operates in a low-noise environment, improving communication reliability without requiring complex shielding or filtering circuits throughout the entire board.
2Ease of manufacture
If the communication module is mounted at an arbitrary position on the circuit board, then the ease of manufacture is improved, but the communication performance deteriorates due to noise interference from other components
Solution Approach 1:
The patent designates specific regions on the circuit board with different quality characteristics. The communication module is placed in a designated region at one end of the circuit board that is inherently quieter and less susceptible to electromagnetic interference from power circuits and other noisy components. This regional differentiation maintains manufacturing simplicity while ensuring the communication module operates in a favorable electromagnetic environment.
3Area of stationary object
If the integrated circuit is mounted close to the communication module, then the area of the circuit board is reduced, but the communication performance deteriorates due to increased electromagnetic interference
Solution Approach 1:
The patent creates spatially differentiated zones on the circuit board where the communication module occupies one end in a region optimized for low-noise operation, while the integrated circuit is positioned at the other end in a region that can tolerate higher electromagnetic emissions. This spatial separation strategy reduces the overall circuit board area compared to more conservative layouts while maintaining communication performance by ensuring the communication module remains in a favorable electromagnetic environment.
Data Source
AI summary
A power source unit for an aerosol generation device, comprises a communication module configured to communicate with an external device, a power source configured to supply power for driving a heater configured to heat an aerosol source, a controller configured to control the supply of the power from the power source to the heater, and a first circuit board on which the communication module, integrated circuits, and electronic components different from the integrated circuit are mounted. A distance between the communication module and the integrated circuits is longer than a distance between the communication module and the electronic components.