Cooking Apparatus Temperature Measurement Cooling Duct
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Solution Overview
Problem
Existing cooking apparatuses face challenges in accurately measuring the temperature of a target food due to infrared light interference from the temperature measurement member, leading to reduced measurement performance and a shortened lifespan, especially when the peripheral temperature increases.
Innovation Solution
A cooking apparatus with a temperature measurement unit that includes a case with an opening for infrared light, a cooling duct with an air inlet, and a blowing fan to adjust the internal temperature, along with a filter to filter out noise wavelengths, is designed to improve temperature measurement accuracy and extend the lifespan of the temperature measurement member.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the temperature measurement member is installed in a high-temperature environment to measure cooking container temperature, then measurement capability is improved, but measurement precision deteriorates due to infrared light interference from the heated components
Solution Approach 1:
The patent extracts the temperature measurement unit from the high-temperature zone by installing it in a separate electronic component chamber away from the cooking container. The infrared sensor measures temperature through a transparent window without being exposed to the harsh thermal environment, thereby eliminating infrared light interference while maintaining measurement capability.
Solution Approach 2:
The patent introduces a transparent window as an intermediary between the infrared sensor and the cooking container. This window allows infrared radiation to pass through to the sensor while protecting the sensor from direct exposure to high temperatures and electromagnetic interference, thus improving measurement precision.
2Reliability
If the temperature measurement member is exposed to high temperature to maintain measurement capability, then measurement function is preserved, but device reliability deteriorates due to shortened lifespan
Solution Approach 1:
The temperature measurement member is extracted from the high-temperature cooking zone and installed in a separate electronic component chamber. This spatial separation protects the sensor from thermal damage, extending its lifespan and improving reliability while maintaining the ability to measure cooking container temperature through infrared radiation.
Solution Approach 2:
The patent creates a thermally isolated environment for the temperature measurement unit by housing it in a separate chamber with thermal insulation. This inert thermal environment protects the sensitive sensor from high temperatures, thereby improving reliability and extending operational lifespan.
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
The solution effectively cools the temperature measurement unit, preventing overheating and improving measurement precision while extending its lifespan by maintaining an appropriate temperature and reducing noise interference, thus enabling accurate temperature measurement of the target food.
Implementation Method 1
a temperature sensor disposed in the case so as to measure a temperature of the cooking container using infrared light emitted from the cooking container
Implementation Method 2
a cooling duct, one side of which is coupled to the case and the other side of which includes an air inlet therein. The temperature measurement unit may be configured to adjust an internal temperature of the case when air introduced from the air inlet moves to the case through the cooling duct
Data Source
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AI summary
A cooking apparatus includes: a main body; a cooking table; an induction coil configured to emit a magnetic field needed for induction heating of a cooking container; and a temperature measurement unit disposed in an electronic component chamber formed in the main body so as to measure a temperature of the cooking container. The temperature measurement unit includes: a case having an opening formed at a top surface thereof; a temperature sensor disposed in the case so as to measure a temperature of the cooking container; and a cooling duct, one side of which is coupled to the case and the other side of which includes an air inlet therein. The temperature measurement unit is configured to adjust an internal temperature of the case when air introduced from the air inlet moves to the case through the cooling duct.