Induction Device Sensor Matrix for High-Resolution Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing induction devices have a crude detection resolution, making it difficult to detect small objects, and there is a risk of unwanted energy transfer to cookware items during induction unit activation.
Innovation Solution
The induction device incorporates a sensor unit with presence, activity, and temperature sensor elements arranged in a distributed matrix configuration above the induction unit, allowing for precise detection of cookware items and preventing erroneous activation of induction units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If induction units are used as sensor elements to detect cookware items, then the detection function is integrated into the heating system, but the detection resolution is crude and small objects cannot be detected
Solution Approach 1:
The sensor unit is divided into multiple independent sensor elements arranged in a matrix pattern, with each element capable of detecting presence, activity, and temperature parameters. This segmentation allows for high-resolution detection of small objects while maintaining the integrated detection function throughout the induction surface.
Solution Approach 2:
The sensor elements are arranged in a two-dimensional matrix pattern above the induction units, creating a distributed detection network that provides spatial resolution. This dimensional arrangement enables precise location and detection of small cookware items across the entire cooking surface.
2Measurement precision
If induction units are briefly activated to detect cookware items, then detection is performed, but energy is transferred to the cookware item which may not be desirable
Solution Approach 1:
The sensor elements perform detection measurements before the induction units are activated for heating. By measuring presence, activity, and temperature parameters in advance, the system can determine whether to activate the induction units, preventing unwanted energy transfer to objects that should not be heated.
Solution Approach 2:
The sensor unit acts as an intermediary between the detection system and the induction heating units. It measures parameters and provides information to the control unit, which then decides whether to activate the induction units, thereby mediating the energy transfer process and preventing unwanted heating.
3Device complexity
If a single sensor unit is used for detection, then the device structure is simple, but the detection resolution and precision are insufficient
Solution Approach 1:
The sensor unit is segmented into multiple sensor elements arranged in a matrix pattern, with each element detecting local parameters. This segmentation increases detection resolution without requiring a single complex sensor, maintaining relatively simple individual sensor structures while achieving high overall precision.
Solution Approach 2:
Multiple sensor elements are merged into a single sensor unit that operates as an integrated system. The combined output of all sensor elements provides high-resolution detection capability, achieving the precision of many sensors while maintaining the simplicity of a single unified detection system.
4Productivity
If induction units are activated without precise detection, then the heating process is simple, but erroneous activation occurs and safety is compromised
Solution Approach 1:
The sensor elements continuously monitor presence, activity, and temperature parameters and provide feedback to the control unit. This feedback mechanism ensures that induction units are activated only when appropriate conditions are met, preventing erroneous activation while maintaining efficient heating operation.
Solution Approach 2:
The sensor unit performs preliminary detection of presence and activity parameters before the induction units are activated. This preliminary action verifies that the correct conditions exist, ensuring reliable and accurate activation while maintaining high heating efficiency when activation is appropriate.
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 configuration enables high-resolution detection of small objects and cookware items, minimizing unwanted energy transfer and ensuring safe and efficient cooking operations.
Implementation Method 1
The induction units are briefly activated to detect the cookware item. Further to the brief activation of the induction units a control unit analyzes an impedance of a respective induction unit.
Implementation Method 2
induction device with a plurality of induction units arranged in the manner of a matrix and with a sensor unit for detecting a sensor parameter
Implementation Method 3
induction device... provided to transfer energy inductively to at least one item
Implementation Method 4
at least one induction unit... configured as sensor elements... briefly activated to detect the cookware item
Data Source
AI summary
An induction device includes an induction unit including a sensor unit, which is arranged above the induction unit in a mounted position and includes a plurality of presence sensor elements arranged in a distributed manner and configured to detect a sensor parameter in the form of a presence parameter of an object. A control unit is provided to analyze the sensor parameter.