Temperature Probe Identification for Accurate Cooking Estimates

Solution Overview

Problem

Conventional cooking systems require manual user selection of temperature probe types, leading to potential inaccuracies in temperature estimation due to variations in resistance measurements across different probe types and manufacturers.

Innovation Solution

The system automatically identifies the temperature probe type by analyzing the ground-signal conductor pattern, allowing the cooking system to select the correct temperature model for accurate signal interpretation and temperature estimation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual user selection of temperature probe type is used, then device complexity is reduced, but measurement precision deteriorates due to variations in resistance measurements across different probe types

Engineering Contradiction:

Improvetemperature estimation accuracyVSAvoidautomatic probe identification system

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The temperature probe identification system automatically detects and identifies the connected probe type without requiring manual user input. The system analyzes electrical characteristics (resistance values, conductor patterns) from the probe itself to determine probe type, manufacturer, and calibration parameters, allowing the probe to effectively identify itself to the cooking system.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system measures electrical signals from the temperature probe and uses this feedback to identify the probe type and select appropriate calibration parameters. By continuously analyzing the electrical characteristics returned from the probe during connection, the system can determine the correct temperature estimation model to use.

Inventive Principle:

Principle #23Feedback

2Measurement precision

If automatic probe type identification is implemented, then measurement precision improves, but ease of operation deteriorates due to additional system complexity

Engineering Contradiction:

Improvetemperature estimation accuracyVSAvoiduser interaction requirement

Core Design Contradiction:

Measurement precisionVSEase of operation

Solution Approach 1:

The temperature probe identification system automatically detects and identifies the connected probe type without requiring manual user input. The system analyzes electrical characteristics (resistance values, conductor patterns) from the probe itself to determine probe type, manufacturer, and calibration parameters, allowing the probe to effectively identify itself to the cooking system.

Inventive Principle:

Principle #25Self-service

3Adaptability or versatility

If multiple temperature probe types are supported, then adaptability improves, but reliability deteriorates due to potential for incorrect probe type selection

Engineering Contradiction:

Improveprobe type compatibilityVSAvoidtemperature estimation accuracy

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The system measures electrical signals from the temperature probe and uses this feedback to identify the probe type and select appropriate calibration parameters. By continuously analyzing the electrical characteristics returned from the probe during connection, the system can determine the correct temperature estimation model to use.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The system uses electrical characteristics (resistance values, conductor patterns) as an intermediary to indirectly identify the probe type. Instead of directly querying the probe for its identity, the system analyzes the electrical properties that naturally differ between probe types and manufacturers, using these properties as a mediator to determine the correct identification and calibration parameters.

Inventive Principle:

Principle #24Intermediary (Mediator)

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 solution enables more accurate temperature estimates in cooking systems by automatically identifying the temperature probe type and selecting the appropriate model, thereby improving user experience and reducing errors.

Implementation Method 1

variations in resistance measurements across different probe types and manufacturers

Methodology Applied

Scientific EffectElectrical Resistance: Electrical Resistance

Data Source

PatentUS12326373B2System and method for temperature determination

Publication Date: 2025.06.10 JUNE LIFE INC

AI summary

In variants, an automatically-identifiable temperature probe can include: a probe body, one or more sensors, a connector, and/or any other suitable components. In variants, the method for temperature determination can include: determining a set of electrical signals, determining a temperature probe type based on the set of electrical signals, determining a sensor resolution model based on the temperature probe type, and determining a set of final temperature estimates based on the set of electrical signals and the sensor resolution model.