Side Key Cover Bracket Secures PCB Against Drop Damage
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Solution Overview
Problem
Electronic devices with side keys are prone to damage when dropped, as the circuit board can break away and damage other components.
Innovation Solution
A cover bracket is arranged adjacent to the circuit board to prevent it from falling out of an accommodator, which is connected to the side key through a through hole in the housing, thereby securing the PCB and supporting plate to prevent damage from drops.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the circuit board is accommodated in the accommodator without additional protection, then the device structure remains simple, but the circuit board may break away and damage other components when the electronic device is dropped
Solution Approach 1:
The cover bracket is pre-installed on the accommodator to form a protective structure before the circuit board is placed. This preliminary action ensures that when the electronic device is dropped, the circuit board is already protected and cannot break away to damage other components, thus improving reliability without requiring complex additional protection mechanisms
Solution Approach 2:
The cover bracket acts as an intermediary component between the accommodator and the circuit board. It mediates the interaction by providing a protective barrier that prevents the circuit board from directly contacting other components during impact, thereby protecting the system while maintaining structural simplicity
2Reliability
If a cover bracket is added to protect the circuit board, then component protection is improved, but the device complexity increases
Solution Approach 1:
The cover bracket is merged with the accommodator structure, forming an integrated protective assembly. This combining approach allows the cover bracket to provide protection while being structurally integrated with existing components, thereby improving reliability without significantly increasing overall device complexity
Solution Approach 2:
The cover bracket is designed as a simple, inexpensive protective component that can be easily manufactured and replaced if necessary. This approach provides effective protection while minimizing the impact on device complexity and cost, as the bracket serves as a sacrificial protective element
Data Source
AI summary
An electronic device including a side key is provided. The electronic device includes a housing including a first surface facing a first direction, a second surface facing a second direction opposite to the first direction, and a side part surrounding the space formed between the first surface and the second surface, and a side key coupled to the side part of the housing, wherein the side key includes a contact part exposed outside the housing through a through-hole formed from the side surface of the housing, and accommodation part formed in the side part of the housing, is connected to the through-hole, and includes an opening open from the inside of the housing in the first direction, a printed circuit board accommodated in the accommodation part and a cover bracket arranged in a third direction together with the contact part and the printed circuit board, and covers the opening.