Feedstuff Valve Leak Sensor Integration
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Solution Overview
Problem
Current membrane feedstuff valves in agricultural automatic feeding plants are prone to operational failures due to membrane cracking, which can lead to leaks, making it difficult to detect defective valves efficiently, especially in large systems where conventional methods are time-consuming and inefficient.
Innovation Solution
Integration of an automatic leak sensor, such as a flowmeter with a Wheatstone bridge, into the feedstuff valve to detect leaks by measuring airflow and sending signals to the control unit, allowing for quick identification of faulty valves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If conventional manual inspection methods are used to detect defective valves, then the system structure remains simple, but the detection time and maintenance cost increase significantly
Solution Approach 1:
The system divides the large-scale feeding plant into individual valve units, each with its own sensor. This segmentation allows parallel detection of multiple valves simultaneously, reducing total detection time from checking hundreds of valves sequentially to monitoring them all concurrently through distributed sensor nodes.
Solution Approach 2:
Each valve is equipped with an integrated sensor that autonomously monitors its own membrane condition and communicates status to the central control unit. This self-service capability eliminates the need for manual inspection of each valve, allowing the system to detect and report defects automatically without human intervention.
2Measurement precision
If sophisticated sensors are placed directly on the membrane as attempted in prior art, then detection capability improves, but the device complexity and cost increase significantly
Solution Approach 1:
Instead of placing sensors directly on the membrane, the invention uses compressed air as an intermediary medium. The sensor monitors the air pressure and flow in the channel between the compressed air source and the membrane, detecting leaks indirectly through changes in this intermediary medium rather than direct contact with the membrane itself.
Solution Approach 2:
The invention replaces complex direct-contact sensors with a simpler pneumatic measurement system. By using standard pressure and flow sensors to monitor the compressed air channel, the system achieves reliable leak detection without requiring sophisticated sensors or multiple sensors per membrane, thereby reducing overall system complexity.
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 rapid detection and localization of leaks, reducing maintenance time and operational downtime by providing immediate feedback on valve functionality, even in complex systems with numerous valves.
Implementation Method 1
the flowmeter comprises a Wheatstone bridge
Implementation Method 2
a measuring resistor that is placed directly in a gasflow through a measuring chamber, a reference resistor that is placed in more stationary gas, two supplementary resistors, each connected in series with the measuring resistor and the reference resistor, respectively, and an enhancer adapted to enhance a voltage difference resulting from a difference in electric resistance of the measuring resistor and the reference resistor
Data Source
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AI summary
This invention relates to a feedstuff valve with an integrated leak sensor for use in connection with automatic feeding plants within the agricultural sector. The new feature of the invention is comprised by the valve containing a sensor unit for detection of a leak in the membrane of the valve.