Inductively Charged Food Probe for Extreme-Temperature Measurement
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Solution Overview
Problem
Conventional food thermometers are limited in measuring temperatures outside the range of 200°C to -50°C and are not designed to withstand extreme heat or cold environments, nor are they resistant to acidic ingredients, making them unsuitable for various cooking conditions.
Innovation Solution
An electric food probe with a rechargeable battery and inductive charging system, featuring a temperature sensor, a coil for electromagnetic induction charging, and a waterproof design, allowing for temperature measurement within a wide range and convenient charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional food thermometers are used, then they can measure temperatures within a limited range (200°C to -50°C), but they cannot measure temperatures outside this range and are not suitable for extreme cooking conditions
Solution Approach 1:
The patent applies parameter changes by modifying the temperature measurement range of the food thermometer to extend from the conventional 200°C to -50°C range to a broader range that includes higher temperatures (up to 400°C or more). This allows the thermometer to accurately measure temperatures in extreme cooking conditions such as broiling, smoking, and candy making, while maintaining measurement accuracy across the extended range through calibrated sensors and compensation mechanisms
2Measurement precision
If conventional thermometers are designed for specific temperature ranges, then they provide accurate measurements within that range, but they cannot withstand extreme heat or cold environments
Solution Approach 1:
The patent employs composite materials in constructing the thermometer probe to withstand extreme temperatures. The probe incorporates heat-resistant materials such as stainless steel or ceramic coatings that can endure temperatures up to 400°C or higher without degrading, while the internal temperature sensor uses materials that maintain measurement precision across this extended temperature range. The composite structure combines materials with different properties to simultaneously achieve high-temperature resistance and accurate measurement
3Ease of operation
If a food thermometer requires electricity to operate, then it can provide digital readings and additional features, but it requires convenient and efficient charging methods
Solution Approach 1:
The patent implements preliminary action by incorporating a rechargeable battery and charging port into the food thermometer design, allowing users to charge the device in advance during convenient moments (such as when the thermometer is not in use or during cooking processes). This eliminates the need for disposable batteries and ensures the thermometer is always ready for use without interruption, reducing overall time loss associated with battery replacement or charging delays
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 temperature measurement across a broader range and convenient battery charging, ensuring the food probe can be used in various cooking conditions without the limitations of conventional thermometers.
Implementation Method 1
The battery can be charged by the coil and electromagnetic induction, that is, by the creation of an electric field at the coil due to a change in magnetic flux.
Data Source
Figure 1~3
Figure 4~6
Figure 7~8
AI summary
The invention relates to a food thermometer with a temperature sensor (7), a rechargeable battery (6), and a coil (11) by which the battery (6) can be inductively charged. The food thermometer can comprise an elongated, liquid-tight container (1) with an opening at one end, the opening being sealed liquid-tight by a cap (9). The invention also relates to a charger for the food thermometer. The charger can be a food processor (18).