Vaporizing Device Chip Air Pressure Sensing Circuit

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Solution Overview

Problem

Existing electronic vaporizing devices have complex circuit structures with separate air pressure sensors and flow quantity calculation units, leading to slow data transmission, large errors, and reduced control accuracy due to non-uniform signal standards and long conversion times.

Innovation Solution

An electronic vaporizing device chip with an integrated air pressure sensing unit and control unit, featuring a signal amplification module, analog-to-digital conversion, and data processing capabilities, which directly detects and calibrates air pressure signals to produce accurate air flow quantity signals, reducing external components and improving response speed.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If separate air pressure sensor and flow quantity calculation unit are used, then device functionality is achieved, but circuit structure becomes complex and volume increases

Engineering Contradiction:
Improvecircuit structureVSAvoidcontrol accuracy
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent integrates the air pressure sensor, signal processing circuit, and flow quantity calculation unit into a single integrated chip. This merging eliminates the need for separate components and interconnections, thereby simplifying the circuit structure while improving control accuracy through unified design and reduced signal transmission paths.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The integrated chip performs multiple functions including air pressure sensing, signal amplification, analog-to-digital conversion, and flow quantity calculation within a single device. This multi-functionality reduces the overall system complexity while maintaining comprehensive measurement and control capabilities.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Speed

If separate components are used for air pressure sensing and flow calculation, then modular design is achieved, but data transmission speed decreases and error increases

Engineering Contradiction:
Improvedata transmission speedVSAvoidcomponent integration
Core Design Contradiction:
SpeedVSDevice complexity

Solution Approach 1:

By combining the air pressure sensor and flow quantity calculation unit into a single integrated chip, the patent eliminates data transmission between separate components. This integration enables immediate processing of air pressure signals into flow quantity data, significantly increasing data transmission speed and reducing transmission errors while maintaining modular design benefits at the chip level.

Inventive Principle:
Principle #5Merging (Combining)

3Loss of time

If separate air pressure sensor and control unit are used, then component independence is achieved, but response time increases

Engineering Contradiction:
Improveresponse timeVSAvoidcircuit integration
Core Design Contradiction:
Loss of timeVSDevice complexity

Solution Approach 1:

The integration of the air pressure sensor, signal processing circuit, and control unit into a single chip eliminates the time delay associated with data transmission between separate components. The sensor directly outputs flow quantity signals within the chip, achieving rapid response time while the integrated design manages circuit complexity through unified architecture.

Inventive Principle:
Principle #5Merging (Combining)

4Measurement precision

If separate components with non-uniform signal standards are used, then component selection flexibility is maintained, but conversion accuracy decreases

Engineering Contradiction:
Improvesignal conversion accuracyVSAvoidsignal standard unification
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

By integrating the air pressure sensor and control unit into a single chip, the patent ensures uniform signal standards throughout the device. The sensor and processing circuit share the same reference voltage and signal protocol, eliminating conversion errors between different signal standards while the integrated design manages the complexity of signal unification.

Inventive Principle:
Principle #5Merging (Combining)

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

The integrated solution enhances control accuracy and response speed, reduces false activations, and allows for customizable threshold settings, resulting in a more efficient and precise vaporizing device with fewer external components and less heat generation.

Implementation Method 1

an air pressure sensing unit configured to detect an air pressure generated inside the electronic vaporizing device

Methodology Applied
Scientific EffectAir pressure sensing:

Implementation Method 2

a signal amplification module configured to amplify and then transmit an air pressure analog signal detected by the air pressure sensing unit

Methodology Applied
Scientific EffectSignal amplification:

Implementation Method 3

an analog-to-digital conversion module configured to convert the air pressure analog signal into an air pressure digital signal

Methodology Applied
Scientific EffectAnalog-to-digital conversion:

Implementation Method 4

a data processing and calibration module configured to process and calibrate the air pressure digital signal and then convert it into an air flow quantity digital signal

Methodology Applied
Scientific EffectData processing and calibration:

Data Source

PatentEP4014765B1Electronic vaporizing device chip with air pressure sensing unit and working method therefor
Publication Date: 2024.03.06 SHENZHEN HAPPY VAPING TECH LTD
  • EP4014765B1 patent drawingFigure 1
  • EP4014765B1 patent drawingFigure 2
  • EP4014765B1 patent drawingFigure 3

AI summary

Disclosed is an electronic vaporizing device chip with air pressure sensing unit and working method thereof, where the chip includes an air pressure sensing unit, a control unit, a plurality of auxiliary resistors, a capacitor, and a plurality of pins, the air pressure sensing unit is configured to detect an air pressure generated inside the electronic vaporizing device during suction, a signal amplification module is configured to amplify and then transmit an air pressure analog signal detected by the air pressure sensing unit to an analog-to-digital conversion module, the analog-to-digital conversion module converts the air pressure analog signal into an air pressure digital signal, a data processing and calibration module processes and calibrates the air pressure digital signal and then converts it into an air flow quantity digital signal; the advantage is that an air pressure sensing function and an air flow quantity calculating function are combined.