Induction Vaporizer Temperature Feedback for Precise Heating Control

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

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 interference with outside electronics.

Innovation Solution

Incorporation of a non-contact temperature sensor, such as a thermopile or infrared sensor, to measure the temperature of the workpiece and provide feedback to the induction heating system, allowing precise temperature control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If induction heating system is used in electronic vaporizer, then heating efficiency and temperature control capability are improved, but temperature feedback control is lacking leading to inaccurate temperature regulation

Engineering Contradiction:

Improveheating efficiencyVSAvoidtemperature control accuracy

Core Design Contradiction:

PowerVSMeasurement precision

Solution Approach 1:

The patent implements a feedback control system by incorporating a temperature sensor (thermopile or infrared sensor) that continuously monitors the temperature of the workpiece and sends signals back to the control circuit. The control circuit adjusts the induction heating power based on the temperature feedback, maintaining the workpiece at the desired set-point temperature. This closed-loop feedback mechanism resolves the contradiction by enabling accurate temperature regulation while maintaining induction heating efficiency.

Inventive Principle:

Principle #23Feedback

2Productivity

If induction heating system operates at high power, then vaporization efficiency is improved, but interference with outside electronics occurs

Engineering Contradiction:

Improvevaporization efficiencyVSAvoidelectromagnetic interference

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The feedback control system monitors temperature and adjusts induction heating power dynamically. By maintaining the workpiece at the precise set-point temperature, the system achieves efficient vaporization without excessive power output, thereby reducing electromagnetic interference with external electronics while preserving vaporization efficiency.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The control circuit modifies the induction heating parameters (power level, frequency) based on temperature feedback to optimize vaporization efficiency while minimizing electromagnetic interference. By dynamically adjusting operational parameters, the system maintains high productivity without generating harmful electromagnetic interference.

Inventive Principle:

Principle #35Parameter changes

3Measurement precision

If temperature sensor is added to induction heating system, then temperature control accuracy is improved, but device complexity increases

Engineering Contradiction:

Improvetemperature control accuracyVSAvoidsystem complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent employs non-contact temperature sensing methods (thermopile or infrared sensors) that eliminate the need for physical contact between the sensor and workpiece. This substitution reduces mechanical complexity and eliminates challenges associated with contact-based temperature measurement in high-temperature induction heating environments, while still achieving accurate temperature control.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent uses infrared radiation or thermal radiation as an intermediary to transfer temperature information from the workpiece to the sensor without direct contact. This intermediary approach simplifies the system by avoiding complex mechanical mounting and thermal management requirements associated with contact-based sensors, reducing overall device complexity while maintaining measurement precision.

Inventive Principle:

Principle #24Intermediary (Mediator)

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 of the induction heating system, preventing interference with external electronics and ensuring consistent vapor quality.

Implementation Method 1

an induction heating system configured to receive material, convert electrical energy from the main unit into thermal energy and apply the thermal energy to the material

Methodology Applied

Scientific EffectInduction heating: Induction Heating

Implementation Method 2

a temperature sensor positioned adjacent the crucible device and configured to sense a temperature associated with the crucible device

Methodology Applied

Scientific EffectThermal radiation detection: Thermal Radiation

Data Source

PatentUS20250344766A1Electronic vaporizer having airflow path and airflow regulator

Publication Date: 2025.11.13 DRD LLC

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.