Induction Vaporizer Heating With Crucible Temperature Feedback
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Solution Overview
Problem
Induction-based vaporizers lack temperature feedback sensors to regulate power to the inductor for achieving a desired set-point temperature, leading to inaccurate temperature control and potential for unwanted chemical reactions.
Innovation Solution
Incorporation of a non-contact temperature sensor with the induction heating system to measure the temperature of the workpiece and provide feedback to a controller for precise temperature control, allowing the system to heat the material to a desired temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If induction heating system is used without temperature feedback sensor, then device complexity is reduced, but temperature control precision deteriorates
Solution Approach 1:
The patent implements a temperature feedback mechanism using a temperature sensor (such as thermocouple or thermistor) that continuously monitors the workpiece temperature and sends signals to the controller. The controller adjusts the induction heating power based on this feedback to maintain the desired set-point temperature, thereby resolving the contradiction between simplified device complexity and temperature control precision.
2Manufacturing precision
If temperature feedback control is implemented, then temperature control accuracy is improved, but device complexity increases
Solution Approach 1:
The patent introduces a temperature sensor as an intermediary component that bridges the gap between the heating system and the control system. This sensor acts as a mediator that converts thermal information into electrical signals that the controller can process, enabling accurate temperature control without requiring complex direct measurement mechanisms.
3Productivity
If excessive heating temperature is applied, then vaporization efficiency is improved, but harmful chemical reactions increase
Solution Approach 1:
The temperature feedback control system continuously monitors the workpiece temperature and adjusts the heating power to maintain the optimal set-point temperature. This prevents excessive heating that would cause unwanted chemical reactions while ensuring sufficient temperature for effective vaporization, thereby resolving the contradiction between vaporization efficiency and harmful chemical reactions.
4Measurement precision
If temperature sensor is positioned close to workpiece for accurate measurement, then measurement precision is improved, but sensor reliability deteriorates due to harsh thermal environment
Solution Approach 1:
The temperature sensor is positioned to measure the temperature of an intermediary component (such as the crucible or heating element) that is in direct thermal contact with the workpiece. This intermediary acts as a buffer that protects the sensor from the harshest thermal conditions while still providing accurate temperature information about the workpiece through thermal equilibrium.
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 accurate and reliable temperature regulation, preventing unwanted chemical reactions and ensuring a consistent user experience by maintaining optimal vaporization temperatures.
Implementation Method 1
The induction heating system is configured to convert electrical energy from the main unit into thermal energy and apply the thermal energy to the material via the crucible device
Implementation Method 2
The temperature sensor is positioned adjacent the crucible device and is configured to sense a temperature associated with the crucible device
Data Source
AI summary
An electronic vaporizer has a main unit, a heating system and a controller. The main unit is configured to supply electrical energy. The heating system is coupled to the main unit and includes an induction heating system and a temperature sensor. The induction heating system is configured to receive material, convert electrical energy from the main unit into thermal energy and apply the thermal energy to the material. The controller is coupled to the induction heating system and configured to receive a temperature associated with the induction heating system from the temperature sensor, and control the induction heating system to heat the material to a desired temperature.