Single-Pin Food Thermometer Probe for Faster Heat Conduction
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Solution Overview
Problem
Existing electronic thermometers have a large size and complex structure, leading to slow heat conduction and poor measurement accuracy, causing inconvenience in use.
Innovation Solution
A single-pin wireless electronic thermometer with a temperature sensor fitted to the inner wall of the insertion part and a compact, easy-to-assemble design, along with a charging device for environmental sustainability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the temperature sensor is positioned away from the inner wall of the insertion part, then the structure is easier to manufacture, but the heat conduction speed decreases and measurement accuracy deteriorates
Solution Approach 1:
The insertion part is segmented into a probe portion and a temperature sensing portion, with the temperature sensor mounted on the inner wall of the insertion part. This segmentation allows the sensor to be positioned optimally for heat conduction while maintaining manufacturing feasibility through modular assembly.
Solution Approach 2:
The inner wall of the insertion part serves as an intermediary thermal conduction path between the food being measured and the temperature sensor. By mounting the sensor on the inner wall rather than having it float in the cavity, the patent creates a direct thermal coupling pathway that improves heat conduction speed and measurement accuracy.
2Ease of manufacture
If the electronic thermometer has a conventional two-portion structure with gaps, then the components are easier to assemble, but the heat conduction is slow and measurement accuracy is poor
Solution Approach 1:
The patent merges the temperature sensing function directly into the insertion part by mounting the temperature sensor on the inner wall of the insertion part. This integration eliminates the thermal gap that exists in conventional designs where the sensor is separated from the insertion part, thereby improving heat conduction and measurement accuracy while maintaining assembly simplicity.
3Speed
If the temperature sensor is fitted to the inner wall of the insertion part, then the heat conduction speed increases and measurement accuracy improves, but the manufacturing complexity increases
Solution Approach 1:
The insertion part is designed as a separate module with the temperature sensor mounted on its inner wall, creating a self-contained temperature sensing assembly. This segmentation allows for standardized manufacturing of the sensor module that can be easily integrated into the overall thermometer structure, reducing overall manufacturing complexity despite the improved sensor positioning.
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
Faster and more accurate temperature measurement with improved heat conduction, ease of use, and environmental friendliness through a compact and disassembleable design.
Implementation Method 1
a temperature sensor for detecting an internal temperature of the food is arranged inside at least the temperature measuring body or the insertion part
Implementation Method 2
the temperature sensing portion of the temperature sensor is fitted with the inner wall of the insertion part, such that the heat conduction is faster and more accurate
Data Source
AI summary
Disclosed are a single-pin wireless electronic thermometer and a charging device for the same. The single-pin wireless electronic thermometer includes a temperature measuring body with an inner cavity, and one end of the temperature measuring body is connected with an insertion part for inserting into food, a temperature sensor for detecting an internal temperature of the food is arranged inside at least the temperature measuring body or the insertion part, a temperature sensing portion of the temperature sensor is fitted to an inner wall of the temperature measuring body or an inner wall of the insertion part, and a control board is arranged in the inner cavity and connected to the temperature sensor. The single-pin wireless electronic thermometer of the present disclosure has a compact structure, with faster and more accurate heat conduction, so that the measuring effect may be improved.


