Environmental Simulation Chamber for Electronic Device Testing
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Solution Overview
Problem
The unpredictable service life of main boards in electronic devices due to environmental factors like temperature and humidity is difficult to assess efficiently and cost-effectively using traditional testing methods, which require placing devices in real environments.
Innovation Solution
A test device that simulates real-world conditions by creating controlled high and low temperature and humidity environments using a housing with integrated heating and refrigeration systems, humidifiers, and sensors, allowing for the testing of main boards under predefined conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electronic devices are placed in real environments for testing, then the reliability of performance evaluation is improved, but the testing cost and time increase significantly
Solution Approach 1:
The patent creates a simulated environment that copies the essential characteristics of real-world conditions (temperature, humidity, dust, vibration) without requiring actual deployment in those environments. The simulation chamber replicates these factors through controlled mechanisms, allowing reliable testing while eliminating the time-consuming aspect of real-world placement.
Solution Approach 2:
The system dynamically adjusts environmental parameters (temperature, humidity levels, dust concentration, vibration intensity) within the simulation chamber to match various real-world conditions. By changing these parameters controllably, the system achieves reliable performance evaluation under diverse conditions without the time penalty of actual field testing.
2Reliability
If electronic devices are placed in real environments for testing, then the reliability of performance evaluation is improved, but the testing cost increases
Solution Approach 1:
Instead of physically deploying devices to real environments for testing, the patent creates a virtual simulation chamber that copies the essential environmental factors. This approach eliminates the need for expensive real-world test site infrastructure, travel costs, and field operation expenses while maintaining testing reliability through accurate environmental replication.
Solution Approach 2:
The simulation chamber acts as an intermediary between the testing system and the environment being tested. It mediates the interaction by creating a controlled replica of real-world conditions, allowing reliable testing without the direct exposure to unpredictable real environments and associated costs.
3Ease of operation
If traditional testing methods are used, then the simplicity of the testing process is maintained, but the accuracy of service life prediction deteriorates
Solution Approach 1:
The system employs multiple sensors to precisely measure and control environmental parameters (temperature, humidity, dust particles, vibration frequency) within the simulation chamber. By accurately replicating and monitoring these parameters, the system achieves high precision in service life prediction while keeping the operational interface simple through automated environmental control.
Solution Approach 2:
The patent incorporates sensors that continuously monitor environmental conditions and device performance, providing feedback to the control system. This feedback mechanism automatically adjusts the simulation parameters to maintain accurate replication of real-world conditions, enabling precise service life prediction without complicating the user interaction with the testing process.
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 efficient and cost-effective simulation of real-world environmental conditions for testing main boards, improving the reliability of performance evaluations and extending the service life prediction of electronic devices.
Implementation Method 1
a first portion (12) interconnecting with the heating device (15)
Implementation Method 2
a second portion (13) interconnecting with the refrigerating device (16)
Implementation Method 3
one or more humidifiers (14)
Data Source
AI summary
A device for testing performance of main boards of electronic devices includes a housing, two bases, a control device, a humidifier, a heating device, and a refrigerating device. A cavity in the housing comprises separated first and second portions. The heating device is interconnected with the first portion to create a predefined high temperature environment and the refrigerating device is interconnected with the second portion to create a predefined low temperature environment. The humidifier is interconnected with the first portion and the second portion, and configured to create predefined degrees of humidity respectively in the first portion and the second portion. The bases are inside the first portion and the second portion, and electrically connected to the control device.