Mounted Temperature Sensing With Connection Feedback Accuracy Check
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Solution Overview
Problem
Non-invasive temperature measurement devices face accuracy issues due to mechanical influences such as vibrations, spring damage, and improper mounting, which can lead to incorrect temperature readings, especially in safety-critical applications where precise measurements are essential for maintaining safety ratings.
Innovation Solution
A temperature determination device comprising a temperature sensor, a mount, and at least one connection sensor (proximity, position, or force activated) that acquires connection status data to ensure the integrity of the sensor's connection to the process device, allowing for accurate temperature data validation and generation of diagnostic information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If non-invasive temperature measurement is used, then ease of operation is improved, but measurement precision deteriorates due to mechanical influences
Solution Approach 1:
The device incorporates connection sensors that continuously monitor the connection status between the temperature sensor and the process device. This feedback mechanism detects mechanical influences such as vibrations, spring damage, or improper mounting in real-time, allowing the system to maintain measurement precision by identifying when connection deviations occur that would otherwise compromise accuracy.
Solution Approach 2:
Connection sensors serve as intermediary elements between the temperature sensor and the evaluation unit. These sensors detect the physical connection status and transmit this information to the evaluation unit, which then determines whether temperature measurements are reliable. This intermediary layer protects against mechanical influences by providing an additional verification step without complicating the basic non-invasive measurement approach.
2Reliability
If connection status monitoring is added, then reliability is improved, but device complexity increases
Solution Approach 1:
The connection sensors are designed to perform multiple functions: they detect the presence of the temperature sensor, monitor connection stability, and provide diagnostic information about mechanical influences. This multi-functionality allows the system to improve reliability through comprehensive monitoring while avoiding the need for separate dedicated sensors for each function, thereby limiting the increase in device complexity.
Solution Approach 2:
The system performs self-diagnosis by using connection sensors to automatically detect and report connection status and potential mechanical issues. This self-service capability improves reliability by enabling the system to identify and flag problems without external intervention, while the automated nature of the monitoring minimizes the operational complexity for users.
Data Source
AI summary
A temperature determination device includes: a temperature sensor; a mount; and at least one connection sensor. The temperature sensor is connectable to a process device via the mount. The temperature sensor acquires temperature data. The at least one connection sensor acquires connection status data relating to connection of the temperature sensor to the process device. The temperature determination device utilizes the temperature data and the connection status data with respect to a determination of a temperature of the process device.