Infrared Temperature Sensor Patch for Accurate Body Monitoring
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Solution Overview
Problem
Contact-type body temperature measurement patches face inaccuracies and environmental interference, requiring separate guides for accurate readings.
Innovation Solution
A body temperature measuring patch utilizing a surface mounted device (SMD)-type infrared (IR) temperature sensor for non-contact measurement, coupled with a microcontroller unit, storage, communication module, flexible substrate, battery, and connector for power supply, enabling quick and accurate continuous monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If contact type sensors (semiconductor sensors, thermistors) are used to make the patch thin, then the patch can be made thin and unobtrusive, but the measurement temperature rises slowly and accuracy is reduced due to slow heat transfer and environmental interference
Solution Approach 1:
The patent replaces contact-type mechanical/thermal sensors with a non-contact infrared sensor that measures body temperature by detecting infrared radiation emitted by the body. This eliminates the need for thermal conduction through contact, thereby avoiding slow heat transfer and environmental interference while maintaining thin patch design.
2Device complexity
If contact type sensors are used, then the patch structure can be simplified, but the measurement is greatly affected by surrounding environment requiring separate guides
Solution Approach 1:
The patent substitutes contact-based thermal sensing with non-contact infrared sensing, which detects thermal radiation directly from the body surface. This method is not affected by ambient temperature or heat transfer issues, eliminating environmental interference without requiring additional guiding components or complex shielding structures.
3Measurement precision
If non-contact infrared temperature sensor is used, then body temperature can be measured accurately and quickly, but the device complexity increases
Solution Approach 1:
The patent employs an SMD-type infrared sensor that operates at room temperature by detecting infrared radiation in specific wavelength ranges. By optimizing the sensor parameters and using signal processing techniques, the system achieves accurate temperature measurement while keeping the overall device structure relatively simple through integrated circuit design.
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 accurate and rapid body temperature monitoring with reduced environmental interference and improved usability through non-contact infrared sensing.
Implementation Method 1
an IR temperature sensor for measuring the body temperature of the patient in an infrared manner in a state in which it is not in contact with the skin of the body part
Data Source
AI summary
Disclosed is a body temperature measuring patch using an IR temperature sensor. The present embodiment provides a body temperature measuring patch using an infrared temperature sensor, which enables the body temperature to be measured more accurately and quickly when a body temperature is continuously monitored by applying a surface mounted device (SMD)-type infrared (IR) temperature sensor and thus implementing a patch-type thermometer.