Atomizer Heating Coil with Variable Resistance Sections
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Electronic smoking devices face limitations in energy efficiency due to limited battery power and heat distribution issues, which can damage other components and inefficiently use heating energy.
Innovation Solution
An atomizer with a heating coil comprising sections of varying electrical resistance per length unit, where the first section generates most of the heat for vaporizing liquid, while the second section generates negligible heat, focusing energy usage and protecting other components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a uniform heating coil is used, then the structure is simple and easy to manufacture, but heat is distributed to non-essential components causing energy waste and potential damage
Solution Approach 1:
The heating coil is designed with non-uniform electrical resistance along its length, where the first section has higher resistance to generate concentrated heat for vaporization, while the second section has lower resistance to minimize heat generation. This local differentiation of heating characteristics allows efficient energy use at the atomization point while protecting other components from excessive heat.
2Temperature
If the heating coil generates heat throughout its length, then sufficient heat is produced for vaporization, but other components are exposed to harmful heat
Solution Approach 1:
The heating coil's electrical resistance is specifically engineered to be non-uniform, creating a localized heating zone in the first section where vaporization occurs, while the second section remains relatively cool. This spatial differentiation of thermal properties ensures adequate temperature for atomization without exposing surrounding components to harmful heat levels.
3Ease of operation
If battery power is used to drive the heating coil, then the device is portable and convenient, but the limited energy capacity restricts usage duration
Solution Approach 1:
The patent converts what would be wasted energy in a uniform coil (heat generated in non-essential sections) into a beneficial configuration where resistance is concentrated in the first section. This ensures that the limited battery power is efficiently converted into useful heat only where needed for vaporization, maximizing the energy utility ratio and extending usage duration while maintaining portability.
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 design enhances energy efficiency by concentrating heat generation in the first section, reducing heat exposure to non-essential components and optimizing battery power usage, thereby improving the performance and longevity of electronic smoking devices.
Implementation Method 1
The heating wire comprises a first section and a second section, wherein the electrical resistance per length unit of the first section differs from the electrical resistance per length unit of the second section
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to an atomizer (26) for an electronic smoking device, to a cartomizer with an atomizer (26) and to an electronic smoking device with an atomizer (26). In order to improve atomizing efficiency, the atomizer (26) comprises a heating coil (28) made of a heating wire (40) with a first section (44) and a second section (46), wherein the first section (44) comprises an electrical resistance per length unit that differs from an electrical resistance per length unit of the second section (46), wherein the heating coil (28) has a first winding (48), a last winding (50) and at least one inner winding (52) between the first winding (48) and the last winding (50), wherein the at least one inner winding (52) comprises the first section (44), the first winding (48) comprises the second section (46), and the last winding (50) comprises a third section (54), wherein the electrical resistance per length unit of the third section (54) corresponds to the electrical resistance per length unit of the second section (46).