Electronic Device ESD Protection and Heat Dissipation via Cover Detection

Solution Overview

Problem

Existing electronic devices face poor heat dissipation issues when their outer covering is disassembled, leading to potential system damage due to inadequate protection mechanisms.

Innovation Solution

An electronic device with a protective device comprising contacts and logic circuits that detect when the outer covering is closed or open, sending warning signals to the processing unit to prevent operation and thus avoid heat-related damage, incorporating a metal surface for heat dissipation and ESD protection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the outer covering is disassembled from the product, then users can access internal components, but heat dissipation becomes poor causing system damage

Engineering Contradiction:

Improveuser access to internal componentsVSAvoidheat dissipation capability

Core Design Contradiction:

Ease of operationVSTemperature

Solution Approach 1:

The system performs preliminary detection of the outer covering's assembly state through contact switches before allowing processing unit operation. When the outer covering is detected as disassembled, the system proactively stops the processing unit before heat dissipation issues can cause damage, rather than waiting for thermal damage to occur.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system implements feedback through contact switches that continuously monitor whether the outer covering is assembled or disassembled. This feedback signal is fed to the processing unit to control its operation state, ensuring the processing unit only operates when the outer covering is properly assembled for adequate heat dissipation.

Inventive Principle:

Principle #23Feedback

2Productivity

If the processing unit operates continuously, then productivity is maintained, but ESD attacks can cause system damage when outer covering is open

Engineering Contradiction:

Improvecontinuous operation capabilityVSAvoidprotection against ESD attacks

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The system performs preliminary detection of the outer covering's assembly state through contact switches before allowing processing unit operation. When the outer covering is detected as disassembled, the system proactively stops the processing unit before ESD attacks can cause damage.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system implements feedback through contact switches that continuously monitor whether the outer covering is assembled or disassembled. This feedback signal is fed to the processing unit to control its operation state, ensuring the processing unit only operates when the outer covering is properly assembled, thus protecting against ESD attacks while maintaining productivity.

Inventive Principle:

Principle #23Feedback

Data Source

PatentUS8885303B2Electronic device of preventing poor heat dissipation and having ESD protection and protection method for the same

Publication Date: 2014.11.11 WISTRON CORP

AI summary

An electronic device of preventing poor heat dissipation and having ESD protection and a protection method for the electronic device are disclosed, in which the electronic device includes a main body, an outer covering, a processing unit and a protective device. The processing unit and the protective device are disposed in the main body. The protective device is coupled to the processing unit. When the outer covering and the main body are closed tightly, the protective device can send a warning signal to the processing unit.