Shock Sensor System for High-G Impact Detection in Portable Devices
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Solution Overview
Problem
Portable electronic devices, such as smartphones, often fail to accurately detect and monitor external shocks due to their accelerometers' limited measurement range, which cannot capture the high acceleration levels (1500-3000 G) associated with external impacts.
Innovation Solution
Incorporating a shock sensor system that includes a micro electro mechanical system (MEMS) sensor or inertial sensor capable of measuring high-g accelerations, along with a processor to calculate shock amounts and positions, allowing for precise detection and display of shock information, including shock states of components within the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a standard accelerometer is used to detect external shocks, then the device can monitor acceleration, but it cannot accurately measure high-g shocks (1500-3000 G) due to limited measurement range
Solution Approach 1:
The patent changes the measurement parameters by switching between a standard accelerometer (for low-g measurements) and a shock sensor (for high-g measurements). This allows the system to adapt its measurement range and precision based on the shock magnitude, resolving the contradiction between measurement range and measurement precision.
2Reliability
If no shock sensor is incorporated, then the device structure remains simple, but it cannot recognize or monitor external shock impacts
Solution Approach 1:
The patent incorporates a shock sensor that proactively monitors for external shocks before they can cause undetected damage. By having the shock detection capability built-in from the beginning, the system reliably detects impacts without requiring complex post-processing or external monitoring equipment.
Solution Approach 2:
The shock sensor serves multiple functions: detecting shock magnitude, determining shock direction, identifying shock position, and triggering protective measures. This multi-functionality improves reliability without proportionally increasing device complexity, as a single sensor handles multiple monitoring tasks.
3Ease of operation
If shock information is not accurately determined, then the device operates normally, but it cannot determine component shock states or prevent potential damage
Solution Approach 1:
The patent implements a feedback system where the shock sensor continuously monitors acceleration, the processor analyzes the shock data to determine magnitude and position, and the system provides real-time feedback about component shock states. This feedback loop ensures no shock information is lost and enables proactive damage prevention.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables effective recognition and monitoring of external shocks, determining the impact location and state of components, thereby enhancing the accuracy and reliability of shock detection and reducing potential damage to the device.
Implementation Method 1
Incorporating a shock sensor system that includes a micro electro mechanical system (MEMS) sensor or inertial sensor capable of measuring high-g accelerations
Implementation Method 2
Incorporating a shock sensor system that includes a micro electro mechanical system (MEMS) sensor or inertial sensor capable of measuring high-g accelerations
Data Source
AI summary
A method for indicating impact of external shocks on an electronic device and the electronic device thereof are provided. An operating method of the electronic device includes monitoring shock related information due to an external force, calculating a shock amount and a shock position based on the shock related information, and calculating a shock state of a component in the electronic device based on the shock amount and the shock position.