Induction heating device and method of controlling the same
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing induction heating devices lack intuitive and visual means for users to recognize temperature and weight information about cooking utensils, making it difficult for users to control them effectively.
Innovation Solution
An induction heating device equipped with a working coil for magnetic field induction, a power supply unit, temperature sensors, and light-emitting units that adjust illumination and color based on detected temperature and weight, allowing users to visually and intuitively control the heating process through a control unit that synchronizes the lighting units to indicate the cooking utensil's state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If conventional induction heating devices are used, then heating function is provided, but users cannot intuitively recognize temperature and weight information
Solution Approach 1:
The patent uses color-changing LED lighting to indicate temperature and weight information. Different colors represent different temperature ranges and weight states, allowing users to intuitively recognize cooking status without complex displays or sensors. The lighting unit changes color based on the detected parameters, providing clear visual feedback.
Solution Approach 2:
The patent introduces a lighting unit as an intermediary between the cooking utensil and the user. Instead of directly displaying complex data, the lighting unit translates temperature and weight information into simple visual cues that users can easily understand, bridging the gap between the heating element and user perception.
2Ease of operation
If no visual feedback is provided, then device structure remains simple, but user control becomes difficult
Solution Approach 1:
The patent implements visual feedback through the lighting unit that responds to temperature and weight changes. The lighting provides real-time information about the cooking state, enabling users to adjust their actions accordingly. This feedback mechanism simplifies user control by making the system's state transparent and understandable.
Solution Approach 2:
The lighting unit automatically adjusts its state based on the detected temperature and weight, without requiring user intervention to query or interpret complex data. The system serves itself by providing intuitive visual cues that naturally guide user actions, reducing the cognitive load on the user.
3Loss of information
If lighting units are added to provide visual information, then user recognition improves, but device complexity increases
Solution Approach 1:
The lighting unit serves multiple functions: indicating temperature levels, showing weight presence, and providing visual feedback for cooking status. By consolidating these information delivery functions into a single component, the patent avoids the need for multiple separate indicators, displays, or sensors, thereby limiting the increase in device complexity.
Solution Approach 2:
The patent uses changes in lighting parameters (color, intensity) to encode multiple types of information. Instead of adding separate indicators for each parameter, the lighting unit modulates its characteristics to represent different temperature ranges and weight states, providing rich information delivery with minimal additional components.
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 users to intuitively and visually recognize the temperature and weight of cooking utensils, facilitating easy control of the induction heating device by adjusting lighting based on temperature and weight changes, thereby enhancing user interaction and safety.
Implementation Method 1
a working coil (70) for creating a magnetic field for the induction of eddy current in a cooking utensil so as to heat the cooking utensil
Implementation Method 2
a temperature sensor (21) for detecting a temperature of the cooking utensil
Data Source
Figure 1~2
Figure 3
Figure 4
AI summary
An induction heating device and a method of controlling the same are disclosed. The induction heating device includes a working coil for creating a magnetic field for induction of eddy current in a cooking utensil so as to heat the cooking utensil, a power supply unit for providing induction voltage to operate the working coil, a temperature sensor for measuring a temperature of the cooking utensil, a first lighting unit for emitting visually perceivable light, a second lighting unit for emitting visually perceivable light, and a control unit for controlling the first lighting unit based on the temperature of the cooking utensil transmitted from the temperature sensor.