Gas absorbing module comprising a gas sensor control device
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Solution Overview
Problem
Existing ethylene-absorbing modules and sensors in fruit and flower storage units have limited lifespans, requiring frequent maintenance and access, which is difficult due to their remote locations and the need for specialized knowledge, leading to inefficiencies and increased costs.
Innovation Solution
An ethylene-absorbing module with a gas sensor control device that includes a sealed casing with automatic control means for selective opening, allowing discontinuous measurements and programmed maintenance, extending the sensor's life from one year to five years and reducing specialized maintenance needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the sensor operates continuously to monitor ethylene levels, then measurement accuracy is improved, but the sensor lifespan deteriorates (lasting only one year)
Solution Approach 1:
The patent implements periodic measurement cycles where the sensor operates intermittently rather than continuously. The control device activates the sensor at predetermined intervals to measure ethylene levels, then returns it to a dormant state. This periodic operation significantly extends sensor lifespan while maintaining adequate monitoring capability for fruit ripening detection.
2Reliability
If the module is placed in remote locations within storage units, then fruit conservation effectiveness is improved, but access for maintenance deteriorates (requiring frequent difficult access)
Solution Approach 1:
The patent implements self-diagnostic and self-reporting capabilities where the control device automatically monitors sensor status, detects when maintenance is needed, and communicates this information remotely. The system performs self-checks and can alert operators via external interfaces, eliminating the need for frequent manual inspections and reducing the impact of remote placement on maintenance ease.
3Reliability
If specialized knowledge is required for sensor maintenance, then measurement reliability is improved, but maintenance complexity deteriorates (requiring trained personnel)
Solution Approach 1:
The control device automatically performs sensor diagnostics, calibration checks, and status monitoring. It detects sensor degradation, performs self-calibration when possible, and generates maintenance alerts with specific diagnostic information. This automation reduces the need for specialized human expertise while maintaining measurement reliability.
Solution Approach 2:
The system continuously monitors sensor performance and provides feedback on measurement quality, sensor health status, and maintenance requirements. This feedback mechanism allows operators to understand system status without needing deep technical knowledge, and enables proactive maintenance scheduling based on actual sensor conditions rather than fixed timelines.
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 solution significantly extends the lifespan of ethylene sensors and filters, reducing maintenance requirements and operational costs by enabling periodic measurements and automated maintenance, while protecting the sensors from environmental factors.
Implementation Method 1
a gas sensor control device for use in equipment for capturing gas, such as ethylene
Implementation Method 2
Zeolite has a three-dimensional structure which maximises and increases the active surface area of the permanganate
Implementation Method 3
Permanganate, in contact with ethylene, oxidises and converts said ethylene into carbon dioxide and water
Implementation Method 4
a sealed casing with automatic control means for selective opening
Data Source
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AI summary
Ethylene sensor control device for fruit conservation installations, which comprises a closed casing with a gate that can be actuated, the ethylene sensor being arranged inside the casing and the gate giving access to the measurement area of the sensor, the device also comprising automatic control means for the selective opening of the gate so that the sensor can measure the gas concentration.