Non-inverting Amplifier Circuit for Aerosol Device Heating
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing aerosol delivery devices, such as electronic cigarettes, face challenges in providing improved electronics that enhance usability and efficient heating of aerosol precursors without significant combustion, while maintaining the sensations associated with traditional smoking.
Innovation Solution
The aerosol delivery device incorporates a power source, a heating element, a boost converter, an inverter, and a non-inverting amplifier circuit to step up voltage and provide continuous output current for efficient heating of aerosol precursors, using a lithium-ion battery and operational amplifiers to power the heating element, which vaporizes components of the aerosol precursor composition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple power source is used to reduce device complexity, then the device complexity is reduced, but the heating efficiency and continuous output current are insufficient
Solution Approach 1:
The electronic circuit is divided into distinct functional modules: a boost converter module for voltage step-up, an inverter module for AC generation, and a bridge rectifier module for current delivery. This segmentation allows each module to be optimized independently for its specific function while maintaining overall system efficiency and enabling continuous high-current output without excessive complexity.
2Ease of operation
If a simple power source is used to ease operation, then the ease of operation is improved, but the continuous output current capability is insufficient
Solution Approach 1:
The circuit architecture enables continuous current delivery to the heating element through the combination of boost converter (providing continuous high voltage), inverter (providing continuous AC waveform), and bridge rectifier (providing continuous full-wave rectified current). This continuous operation maintains stable heating without interruption, enhancing usability while delivering sustained high current output.
3Productivity
If voltage is stepped up to improve heating efficiency, then the heating efficiency is improved, but the device complexity increases
Solution Approach 1:
The mechanical/chemical heating processes are replaced with an electrical heating system using a boost converter to generate high voltage, which is then converted to AC and rectified to deliver controlled high current to the heating element. This substitution provides more efficient and controllable heating while using standard electronic components that manage complexity through modular design.
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 efficient and continuous aerosol production with high output current, enhancing the usability and smoking experience by effectively vaporizing aerosol precursors without significant combustion, providing a reliable and efficient heating solution.
Implementation Method 1
a heating element configured to convert electricity to heat and thereby vaporize components of an aerosol precursor composition
Implementation Method 2
a boost converter configured to step up voltage from the power source to a higher voltage
Implementation Method 3
an inverter configured to convert the higher voltage to a complementary negative voltage
Data Source
AI summary
An aerosol delivery device is provided. The aerosol delivery device includes terminals configured to connect a power source to the aerosol delivery device and a heating element configured to convert electricity to heat and thereby vaporize components of an aerosol precursor composition. The aerosol delivery device also includes a boost converter configured to step up voltage from the power source to a higher voltage and an inverter configured to convert the higher voltage to a complementary negative voltage. The aerosol delivery device further includes at least one non-inverting amplifier circuit that includes an operational amplifier configured to receive the voltage from the power source as an input voltage, and receive the higher voltage and the complementary negative voltage as supply voltages. The at least one non-inverting amplifier circuit is configured to amplify the input voltage to an output voltage, and provide a continuous output current.