Flowmeter Sensor Self-Verification for Installation Accuracy
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Solution Overview
Problem
The existing methods for verifying the correct installation of sensors in measuring devices are time-consuming and inefficient, as they rely on manual testing after mounting, which can lead to impaired sensor functionality due to installation conditions.
Innovation Solution
The method involves sensors generating and comparing their own installation state data with characteristic data, using a self-test to automatically evaluate if the installation is within tolerances, providing an indication of proper installation or a warning message through a communications interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual testing is performed after mounting to verify sensor installation, then installation verification can be conducted, but the process is time-consuming and reduces productivity
Solution Approach 1:
The sensor system performs self-verification by automatically generating installation state data through its own sensors and comparing it with characteristic data stored in a database. This eliminates the need for manual testing while ensuring reliable installation verification, thereby resolving the contradiction between reliability and productivity.
Solution Approach 2:
Characteristic data for proper sensor installation is pre-stored in a database during the design phase. The sensor system then automatically compares its measured installation state against these pre-established characteristics, enabling rapid verification without time-consuming manual testing.
2Manufacturing precision
If sensors are physically arranged and fixed within tolerances during fabrication, then correct installation can be ensured, but the process becomes complex and time-consuming
Solution Approach 1:
The patent replaces manual mechanical inspection with an electronic self-verification system. Sensors electronically generate and transmit installation state data to a controller, which automatically compares it with characteristic data from a database, eliminating complex manual checking procedures while maintaining positioning accuracy.
Solution Approach 2:
The system implements feedback by automatically comparing measured installation state data with characteristic data and providing evaluation results through a communications interface. This closed-loop verification ensures manufacturing precision without requiring complex manual inspection processes.
3Productivity
If automatic self-test is implemented to verify sensor installation, then productivity increases and testing time is reduced, but device complexity increases
Solution Approach 1:
The existing sensor system is enhanced with multi-functionality by adding self-verification capability. The same sensors that perform their primary measurement function also generate installation state data for verification, eliminating the need for separate dedicated testing equipment and minimizing added complexity.
Solution Approach 2:
Instead of physically copying the sensor system for separate testing, the patent creates a digital copy of the installation state characteristics in a database. The sensor system then compares its measured state against this digital reference, achieving automatic verification with minimal added complexity.
Data Source
AI summary
The invention relates to a method for operating a measuring device, especially a flowmeter. The aim of the invention is to simplify inspection if the sensors have been correctly installed. For this purpose, the installation state is detected by the sensors themselves, i.e. by sensing a corresponding sensor value and comparing it with characteristic data. The result of comparison is electronically evaluated and automatically estimated whether the characteristic data obtained match the comparative data within at least a defined tolerance.