Wireless Stand-Alone Temperature Sensor for Microwave Shielding
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Solution Overview
Problem
Existing microwave appliances lack the capability to achieve precise cooking or heating for liquid-based foods such as coffee, tea, and water.
Innovation Solution
A method and system that includes a stand-alone temperature sensor configured to connect wirelessly with a controller of a microwave appliance, allowing for precise temperature monitoring and adjustment of the heating power level based on real-time temperature readings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a temperature sensor is integrated into the microwave appliance, then precise temperature monitoring is achieved, but the sensor is damaged by microwave radiation
Solution Approach 1:
A housing structure acts as an intermediary between the temperature sensor and microwave radiation. The housing includes a microwave radiation shield that blocks harmful microwaves while allowing thermal energy to reach the sensor, enabling the sensor to monitor temperature accurately without being damaged by direct microwave exposure
Solution Approach 2:
The housing employs a shield structure that selectively filters electromagnetic radiation. The shield material and design allow thermal energy transmission while blocking microwave frequencies, protecting the sensor electronics from damage while maintaining measurement capability
2Reliability
If a stand-alone temperature sensor with housing is used, then sensor protection from microwave radiation is achieved, but device complexity increases
Solution Approach 1:
The housing structure serves multiple functions simultaneously: it provides mechanical protection for the sensor, acts as a microwave radiation shield, and facilitates thermal energy transfer to the sensor. This multi-functionality reduces the need for separate protective components, thereby limiting the increase in device complexity
3Manufacturing precision
If real-time temperature monitoring is implemented, then precise cooking control is achieved, but wireless communication and power adjustment complexity increases
Solution Approach 1:
The system implements a feedback control mechanism where the temperature sensor continuously monitors the cooking environment, transmits temperature data wirelessly to the controller, and the controller automatically adjusts power delivery based on the measured temperature. This closed-loop feedback enables precise cooking control while automating the complexity of real-time monitoring and adjustment
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 precise cooking or heating of liquid-based foods by allowing the microwave appliance to adjust its power level in response to real-time temperature readings, ensuring that food items are cooked to the desired temperature level.
Implementation Method 1
a housing configured to shield one or more internal electronic components of the stand-alone temperature sensor from microwave radiation within the microwave appliance
Implementation Method 2
receiving, at the controller, a temperature reading from the stand-alone temperature sensor disposed within the cooking chamber
Data Source
AI summary
A stand-alone temperature sensor is configured to connect wirelessly with a controller of a microwave appliance. The stand-alone temperature sensor includes a housing configured to shield one or more internal electronic components of the stand-alone temperature sensor from microwave radiation within the microwave appliance. The stand-alone temperature sensor includes an antenna extending from a casing of the stand-alone temperature sensor.