Induction Cooker Sensor Mount for Accurate Temperature Control
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Solution Overview
Problem
Induction cookers have limitations in temperature accuracy, versatility, user programmability, reliability, longevity, and maintenance.
Innovation Solution
An induction cooker design featuring a ceramic glass cooking surface with integrated temperature sensing, a microprocessor control unit, and advanced cooling systems, along with user-friendly interfaces and wireless communication protocols, allowing for precise temperature control and programmability, enhanced reliability, and improved serviceability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If induction cooking is used to heat cooking vessels, then heating efficiency is improved, but temperature accuracy deteriorates due to radiant heat affecting glass and components
Solution Approach 1:
The patent introduces a radiant heat barrier (intermediary layer) between the cooking vessel and the glass surface/components to block radiant heat transmission. This mediator prevents the glass and internal components from being heated by radiant energy, allowing for more accurate temperature sensing and control while maintaining the efficient induction heating process.
Solution Approach 2:
The patent extracts and isolates the temperature sensing function from the heated zones by positioning sensors in locations shielded from radiant heat, and by separating the sensing system from the heating field. This extraction allows accurate temperature measurement without interference from the radiant heat that enables efficient induction cooking.
2Ease of manufacture
If fixed cooking surfaces are used in induction cookers, then manufacturing simplicity is improved, but serviceability and maintenance deteriorate
Solution Approach 1:
The patent divides the cooking surface into separate, removable segments or modules rather than using a single fixed surface. This segmentation allows individual components to be easily removed, inspected, and replaced for maintenance or repair, while still maintaining a simple overall manufacturing process through modular assembly.
Solution Approach 2:
The patent transitions from a static, fixed cooking surface to a dynamic, removable configuration. The cooking surface components are designed to be easily installed and removed, allowing the system to adapt between operational and maintenance states, thereby improving serviceability without complicating manufacturing.
3Device complexity
If basic induction heating is provided, then device simplicity is improved, but versatility and user programmability deteriorate
Solution Approach 1:
The patent incorporates multiple cooking modes, programmable settings, and various heating patterns into the induction cooker, enabling a single device to perform multiple functions. This multi-functionality provides versatility for different cooking requirements while maintaining relatively simple device architecture through integrated control systems.
Solution Approach 2:
The patent enables users to program and adjust various parameters such as temperature, time, power levels, and cooking modes. By allowing dynamic changes to operational parameters, the device achieves high versatility and adaptability while building upon the simple foundation of basic induction heating technology.
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 provides improved cooking temperature accuracy, enhanced reliability, and increased user programmability, while also addressing maintenance and longevity issues, resulting in a more efficient and user-friendly induction cooking experience.
Implementation Method 1
A coil of copper wire is placed beneath a glass surface that supports the cooking vessel and an alternating electric current flows through the coil. This produces a magnetic field which induces an electric current in the cooking vessel. Current flowing in the vessel produces resistive heating.
Implementation Method 2
Current flowing in the vessel produces resistive heating.
Implementation Method 3
A cooling fan is provided which moves air across the induction coil and through the induction cooker.
Data Source
AI summary
An induction cooker has a temperature sensor mount that includes a reciprocating sensor holder and a flexible diaphragm.