Contact-Member Thermal Path for Faster Temperature Sensing
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Solution Overview
Problem
Current electronic devices have low accuracy and slow measurement times for temperature measurement due to inefficient heat conduction and heat loss during temperature sensing.
Innovation Solution
The electronic device incorporates a contact member with high thermal conductivity connected to the temperature sensor's wires, enhancing heat conduction and reducing heat loss, while using a thermal insulator to isolate the sensor from other components and a compact layout to improve measurement accuracy and sensitivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional temperature measurement structure is used, then device structure is simple, but temperature measurement accuracy is low and measurement time is long
Solution Approach 1:
The patent divides the temperature measurement system into distinct functional components: a contact member for skin contact, thermal conduction components (wires or sheets) for heat transfer, and a temperature sensor for detection. This segmentation allows optimization of each component's thermal properties while maintaining overall system functionality, thereby improving measurement accuracy without excessive complexity increase.
Solution Approach 2:
The patent introduces an intermediary thermal conduction component (wire or sheet) between the contact member and the temperature sensor. This intermediary facilitates efficient heat transfer from the skin contact point to the sensor, improving measurement accuracy and speed while keeping the structural complexity manageable through standardized component design.
2Loss of time
If traditional temperature measurement structure is used, then device structure is simple, but measurement time is long
Solution Approach 1:
The patent applies local quality by concentrating thermal conduction capability at the measurement interface. The contact member and thermal conduction components are designed with high thermal conductivity specifically at the heat transfer path from skin to sensor, while other parts of the device maintain standard complexity levels. This localized optimization reduces measurement time without requiring complete redesign of the entire device.
3Reliability
If thermal conduction path is extended, then sensitivity is improved, but heat loss increases
Solution Approach 1:
The patent employs composite material strategies by selecting materials with high thermal conductivity for the contact member and thermal conduction components (such as metal wires or thermally conductive sheets). These materials maintain temperature along the extended conduction path, improving sensor sensitivity while minimizing heat loss through efficient thermal transport properties inherent to the selected materials.
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 design improves temperature measurement accuracy and sensitivity by shortening detection time and reducing heat loss, allowing for faster and more precise temperature readings.
Implementation Method 1
At least one of the positive wire and the negative wire is thermally conductively connected to the contact member. The temperature sensor is configured to perform temperature measurement according to a temperature transferred from the at least one of the positive wire and the negative wire
Implementation Method 2
heat conduction efficiency of heat transfer from a human skin to the temperature sensor is improved, a temperature measurement time is shortened, sensitivity of the temperature sensor is enhanced, and a heat loss during the heat conduction is reduced
Data Source
AI summary
An electronic device includes a shell, a contact member, a temperature sensor, and a circuit board. The shell has an accommodating space. The contact member is arranged on the shell, and at least part of a surface of the contact member forms an outer surface of the electronic device. The temperature sensor is arranged in the accommodating space and has a positive electrode and a negative electrode. The circuit board is arranged in the accommodating space and provided with a positive wire and a negative wire. The positive wire is connected to the positive electrode of the temperature sensor. The negative wire is connected to the negative electrode of the temperature sensor. At least one of the positive wire and the negative wire is thermally conductively connected to the contact member.