Automated Test Device for Complex Accelerated Degradation
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Solution Overview
Problem
Current accelerated degradation tests for materials, such as plastics, require long durations and manual intervention, leading to inefficiencies and experimental errors due to the need for continuous equipment management and precise timing, especially in high-temperature and humidity tests.
Innovation Solution
An automated test device with multiple chambers for heat resistance, moisture resistance, and thermal shock testing, equipped with a transfer unit and controller for automated specimen insertion and discharge, and a storage chamber for flexible specimen handling, allowing for precise control of environmental conditions and reduced manual workload.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual specimen handling and equipment operation is performed for long-term degradation tests, then test accuracy can be maintained through direct observation, but test time is excessively long and operational errors increase due to repeated manual intervention
Solution Approach 1:
The system enables automated self-service through the controller that automatically controls the transfer unit to move specimens between chambers and the storage unit to store test data and results, eliminating the need for continuous manual intervention while maintaining test accuracy through programmed precision
Solution Approach 2:
The patent replaces manual mechanical operations with an automated transfer unit controlled by a controller, which uses mechanical automation to handle specimen transfer between chambers and storage, reducing both test time and operational errors
2Measurement precision
If equipment is stopped and restarted for specimen discharge during long-term tests, then specimen observation can be performed, but repeatability deteriorates due to operation changes
Solution Approach 1:
The system segments the test environment into multiple independent chambers (first chamber, second chamber, third chamber) that can operate simultaneously at different temperatures, allowing specimen transfer and observation without stopping the overall test process, thus maintaining repeatability
Solution Approach 2:
The storage unit acts as an intermediary that temporarily holds specimens during transfer between chambers and provides a repository for test data, enabling continuous operation without interruption while maintaining test conditions and repeatability
3Adaptability or versatility
If multiple separate test devices are used for different degradation tests, then test versatility is improved, but device complexity and space requirements increase
Solution Approach 1:
The patent merges multiple separate test chambers (first chamber for low temperature, second chamber for high temperature, third chamber for another high temperature) into a single integrated device with a common storage unit and controller, providing test versatility while reducing overall system complexity and space requirements
Solution Approach 2:
The storage unit serves multiple functions by storing specimens from different chambers, providing temporary holding space, and acting as a transfer intermediary, making the device more versatile without increasing complexity
4Reliability
If continuous manual monitoring is performed during long-term tests, then operational errors are reduced, but productivity decreases due to constant human intervention
Solution Approach 1:
The controller implements feedback control by automatically monitoring test conditions, controlling the transfer unit based on programmed schedules, and managing specimen transfer between chambers and storage, ensuring operational accuracy while enabling continuous automated operation that increases productivity
Solution Approach 2:
The system performs self-service through automated specimen transfer and data management, eliminating the need for continuous manual monitoring while maintaining operational accuracy through programmed control sequences
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
The automated system enables efficient and precise accelerated degradation testing across various conditions within a single device, minimizing manual processes, reducing test time, and ensuring accurate specimen handling and storage, thereby improving test reliability and efficiency.
Implementation Method 1
an accelerated degradation test is performed to predict a quality or lifespan of products within a short time
Implementation Method 2
the second chamber is maintained under a room temperature condition of 30° C. or less
Implementation Method 3
a thermal shock test, an accelerated weather resistance test, and a corrosion resistance test by salt spray are accelerated degradation tests that are commonly used
Data Source
AI summary
The present invention relates to an accelerated degradation test for testing durability of a specimen by rapidly inducing a failure or degradation rate according to use environmental factors, such as temperature and humidity, and more particularly, to an automated test device and test method for a complex accelerated degradation test, capable of various and precise accelerated degradation tests by constructing a multi-test environment in a single device and automating a process of putting pre-test specimens formed of chemical materials into a test environment, transferring the specimens to other test environments, and storing tested specimens in a storage chamber.