Tobacco Heating Device with Integrated Atomizer for Smoke Volume

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Solution Overview

Problem

Conventional tobacco baking devices produce insufficient smoke volume and have cumbersome loading operations, resulting in an unsatisfactory smoking experience.

Innovation Solution

A tobacco baking device comprising an upper housing, inner frame, electrical core, heating core, temperature sensor, PCBA control board, stainless steel tube, electronic atomizer, and temperature control device, which integrates heating and atomization to maintain constant temperature and increase smoke volume, allowing for convenient and efficient cigarette roasting.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If a conventional cigarette heater is used, then the device structure is simple, but the smoke volume generated is insufficient

Engineering Contradiction:
Improvesmoke volumeVSAvoiddevice structure
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The patent combines a heating core and an electronic atomizer into a single integrated device. The heating core heats the cigarette to generate smoke, while the electronic atomizer generates mist that mixes with the smoke to increase the overall smoke volume. This merging of heating and atomization functions resolves the contradiction by achieving larger smoke volume without requiring separate devices.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The integrated device performs multiple functions: heating the cigarette to produce smoke and generating mist through atomization. The control circuit manages both heating and atomization processes, making the device universal in its capability to produce enhanced smoke volume through combined thermal and phase-change mechanisms.

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

2Quantity of substance

If the heating temperature is increased to produce more smoke, then the smoke volume increases, but the temperature control becomes difficult and may cause burning

Engineering Contradiction:
Improvesmoke volumeVSAvoidheating temperature control
Core Design Contradiction:
Quantity of substanceVSTemperature

Solution Approach 1:

The patent incorporates a temperature sensor that detects the temperature of the heating core and feeds this information to the control circuit. The control circuit adjusts the heating power based on the detected temperature to maintain a constant heating temperature. This feedback mechanism ensures sufficient smoke generation while preventing overheating and burning.

Inventive Principle:
Principle #23Feedback

3Power

If the heating core is exposed directly, then the heating efficiency is high, but heat dissipation causes safety issues

Engineering Contradiction:
Improveheating efficiencyVSAvoidheat dissipation
Core Design Contradiction:
PowerVSObject-affected harmful factors

Solution Approach 1:

The heating core is nested within the stainless steel tube, which provides thermal insulation. This nested structure allows the heating core to maintain high heating efficiency for smoke generation while the stainless steel tube prevents excessive heat dissipation to the surrounding environment, thereby resolving the safety issue.

Inventive Principle:
Principle #7Nested doll (Nesting)

4Quantity of substance

If the tobacco loading amount is increased to produce more smoke, then the smoke volume increases, but the loading operation becomes more troublesome

Engineering Contradiction:
Improvesmoke volumeVSAvoidloading operation
Core Design Contradiction:
Quantity of substanceVSEase of operation

Solution Approach 1:

The patent changes the approach from increasing tobacco loading amount to increasing smoke volume through a different mechanism: the electronic atomizer generates mist that mixes with the smoke from the heated cigarette. This parameter change in the smoke generation method allows for increased smoke volume without requiring more tobacco loading, thereby maintaining ease of operation.

Inventive Principle:
Principle #35Parameter changes

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 device produces a larger smoke volume with a real cigarette-like smell, ensuring no tar is produced, providing a harmless and satisfying smoking experience with efficient and uniform heating, preventing heat dissipation and enhancing roasting efficiency.

Implementation Method 1

The heating core is used to heat a cigarette to generate smoke

Methodology Applied
Scientific EffectHeating: Heating

Implementation Method 2

The electronic atomizer is used to generate mist to be mixed in with the smoke for increasing volume of the smoke

Methodology Applied
Scientific EffectAtomization: Phase Change

Implementation Method 3

the temperature control device detects a heating temperature of the heating core in real time via the temperature sensor

Methodology Applied
Scientific EffectTemperature detection: Temperature Gradient

Implementation Method 4

the heating core is disposed parallel inside the stainless steel tube, the two ends of the heating core are fixed by the ceramics, so that the heat is prevented from dissipation

Methodology Applied
Scientific EffectThermal insulation: Thermal Insulation

Data Source

PatentEP3078283B1Tobacco heating device
Publication Date: 2023.05.10 LIU TUANFANG
  • EP3078283B1 patent drawingFigure 1
  • EP3078283B1 patent drawingFigure 2
  • EP3078283B1 patent drawingFigure 3

AI summary

A tobacco baking device, including: an upper housing, an inner frame, an electrical core, a heating core, a temperature sensor, a PCBA control board, a stainless steel tube, and a temperature control device. The inner frame includes a first end including a first hole and a second end including a second hole, the first hole being larger than the second hole. The heating core is disposed at a left side of the inner frame. The stainless steel tube surrounds the heating core, and the heating core is disposed in parallel to the stainless steel tube; the heating core is connected to the temperature control device and the temperature sensor. The temperature control device is connected to the temperature sensor and detects a heating temperature of the heating core in real time via the temperature sensor, thus controlling the heating temperature to be constant.