Temperature Sensor Response Time Characterization
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Solution Overview
Problem
Existing methods for mass-manufacturing temperature sensors, particularly for thermal energy meters, struggle to verify high-quality criteria consistently, leading to potential inaccuracies and non-compliance with regulatory demands.
Innovation Solution
A method of mass-manufacturing temperature sensors involves immersing them in thermostatic baths with predetermined reference temperatures, logging measurement values, determining individual response time values, and associating these values with unique identifiers for quality verification and pairing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If individual testing and verification of each temperature sensor is performed to meet regulatory demands, then measurement precision and reliability are improved, but production time and manufacturing complexity increase
Solution Approach 1:
The patent implements preliminary individual characterization of temperature sensors during manufacturing by measuring response time and storing it in memory. This preliminary action allows the sensors to be pre-verified and classified before deployment, eliminating the need for time-consuming individual testing during installation or operation, thus resolving the contradiction between measurement precision and production time
Solution Approach 2:
The patent changes the parameter being measured from general functional testing to a specific physical parameter (response time). By characterizing sensors based on this measurable parameter and storing it individually, the system achieves precise quality verification without requiring complex testing procedures, thereby improving measurement precision while maintaining efficient production
2Reliability
If individual response time characterization is performed for each temperature sensor, then quality verification and pairing accuracy are improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent implements self-service quality verification by having each temperature sensor store its own response time characteristic in its internal memory. The sensor essentially characterizes itself during manufacturing, eliminating the need for complex external testing equipment or manual verification processes. This self-service approach improves quality verification reliability while keeping the manufacturing process relatively simple
Solution Approach 2:
The patent creates a digital copy of the temperature sensor's response time characteristic and stores it in memory. This digital copy serves as a permanent record of the sensor's performance characteristics, enabling reliable quality verification without requiring physical re-testing. The copying approach simplifies the manufacturing process by replacing complex physical verification with simple data storage and retrieval
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
This method ensures that each temperature sensor meets high-quality criteria, enabling precise measurements, compliance with regulatory standards, and improved production efficiency by sorting and pairing sensors based on response time.
Implementation Method 1
immersing said temperature sensors into at least one thermostatic bath having a pre-determined reference temperature
Implementation Method 2
logging a set of measurement values of each temperature sensor during immersing into at least one of the at least one thermostatic bath
Data Source
Figure 1a~1b
Figure 2a~2c
Figure 3
AI summary
The present disclosure refers to a method of mass-manufacturing temperature sensors (11a,b), the method comprising: - assembling or receiving said temperature sensors (11a,b), wherein an individual identifier (21) is associated with each of the temperature sensors (11a,b); - immersing said temperature sensors (11a,b) into at least one thermostatic bath (45a-f) having a pre-determined reference temperature; - logging a set of measurement values of each temperature sensor (11a,b) during immersing into at least one of the at least one thermostatic bath (45a-f); - determining an individual response time value (T0.5) based on the set of measurement values for each of the temperature sensors (11a,b); and - logging the determined individual response time value (T0.5) associated with the individual identifier (21).