Electronic Cigarette Heater Control With Closed-Loop Feedback
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Solution Overview
Problem
Existing electronic cigarettes lack efficient control mechanisms for the heating elements, leading to inconsistent vapor production and potential safety issues due to unregulated heating temperatures and power consumption.
Innovation Solution
A system and method for controlling the heating element using a microcontroller (MCU) with integrated sensors and a closed-loop feedback mechanism to regulate temperature and power delivery, incorporating predictive algorithms to optimize heating based on user actions and device conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a heating element is used to vaporize liquid solution, then vapor production is achieved, but temperature control and safety issues arise due to unregulated heating
Solution Approach 1:
The patent implements a closed-loop feedback control system where a temperature sensor continuously monitors the heating element temperature and feeds this information back to the microcontroller. The microcontroller adjusts the power delivery accordingly to maintain safe operating temperatures and prevent overheating, thus resolving the safety issue while maintaining effective vaporization.
Solution Approach 2:
The system dynamically adjusts heating parameters in real-time based on user actions detected by sensors and temperature feedback. The microcontroller modulates power delivery to the heating element dynamically, transitioning between different power levels or states based on operational conditions, thereby achieving both effective vapor production and temperature safety.
2Productivity
If power delivery to heating element is increased, then vapor production efficiency is improved, but power consumption and energy waste increase
Solution Approach 1:
The patent employs periodic or pulsed heating action rather than continuous heating. The microcontroller delivers power to the heating element in controlled pulses or cycles, activating heating only when needed for vapor production and allowing cooling periods in between. This periodic action maintains vapor production efficiency while significantly reducing overall power consumption and energy waste during non-vaporization periods.
Solution Approach 2:
The system changes heating parameters dynamically based on operational needs. The microcontroller adjusts power delivery levels, pulse duration, and frequency according to detected user actions and temperature conditions. By varying these parameters rather than maintaining constant high power, the system achieves efficient vapor production when required while minimizing energy consumption during idle or low-demand periods.
3Measurement precision
If continuous monitoring of heating element is implemented, then temperature control precision is improved, but device complexity increases
Solution Approach 1:
The microcontroller serves multiple functions within the device: it detects user actions via sensor inputs, controls power delivery to the heating element, monitors temperature through sensor feedback, and manages overall system operation. By consolidating these control functions into a single multi-functional microcontroller unit, the system achieves precise temperature control through continuous monitoring without proportionally increasing device complexity, as the same component handles multiple tasks.
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
Ensures consistent vapor production, maintains safe heating temperatures, and optimizes power usage, enhancing user experience and device longevity.
Implementation Method 1
the atomizer typically includes a heating coil that vaporizes the liquid solution
Implementation Method 2
determining a pulse width modulation for a heater control from the battery voltage and the at least one heater parameter, driving a heater at the determined pulse width modulation
Data Source
AI summary
A system, a method, and a device for controlling a heating element in electronic articles, and more particularly for controlling a heating element in electronic cigarettes. In one embodiment A system for controlling a heater can comprise a power source, a memory configured to store programing, an MCU, a solution, a heater configured to heat the solution, and a sensor. The power source, the memory, the MCU, the heater, and the sensor can be electrically coupled. The MCU can receive signals from the sensor and control the heater, and the MCU can be configured to use programming stored in the memory to control the heater.