Induction Coil for Vapour Device Dual Heating Charging
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Solution Overview
Problem
Existing vapour generating devices with inductive heating systems are bulky and have a high component count, making them expensive and inconvenient to use, and the addition of a recharging system further complicates the design.
Innovation Solution
The integration of a rechargeable power source and an induction coil that functions both for heating a susceptor and for receiving an external electromagnetic field to charge the power source, reducing the component count and enabling a more compact and efficient device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate recharging system is installed in the vapour generating device, then the device can be recharged, but the device becomes larger and has more components
Solution Approach 1:
The induction coil is designed to perform multiple functions: it serves as both the heating element for vapor generation and the receiving coil for wireless charging. By using the same component for both heating the susceptor and receiving electromagnetic energy from an external charging device, the patent eliminates the need for a separate charging coil, thereby reducing component count while maintaining recharging capability
Solution Approach 2:
The patent merges the heating function and charging reception function into a single induction coil assembly. The coil structure and associated circuitry are integrated to handle both the high-frequency alternating current needed for heating and the electromagnetic energy transfer needed for charging, consolidating what would traditionally be separate systems into one unified component
2Reliability
If a rechargeable power source and recharging system are installed, then the device can be recharged, but the device becomes heavier
Solution Approach 1:
The induction coil serves dual purposes as both the heating element and the wireless charging receiver. This multi-functionality eliminates the need for a separate charging coil and its associated components, thereby reducing the overall weight of the device while maintaining full recharging capability through wireless power transfer
3Reliability
If a separate induction coil for charging is provided, then charging can be implemented, but the device becomes bulkier
Solution Approach 1:
The induction coil is designed to perform both heating and charging reception functions using the same physical space and component structure. This eliminates the need for a separate dedicated charging coil, thereby maintaining compact device dimensions while enabling wireless charging functionality through the same coil assembly
Solution Approach 2:
The patent combines the heating coil and charging reception coil into a single integrated induction coil system. The same coil windings and magnetic core structure are used for both generating the electromagnetic field during heating and receiving electromagnetic energy during charging, consolidating the volume requirements into one shared component
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 solution results in a vapour generating device that is more compact, lightweight, and cost-effective, with improved safety and efficient dual functionality of heating and charging.
Implementation Method 1
an induction coil (hereinafter also referred to as an inductor) is provided with the device and a susceptor is provided with the vapour generation substance. Electrical energy is provided to the inductor when a user activates the device which in turn creates an electromagnetic field. The susceptor couples with the field and generates heat
Implementation Method 2
the susceptor may generate heat due to eddy currents and magnetic hysteresis losses resulting in a conversion of energy from electromagnetic to heat
Implementation Method 3
the susceptor may generate heat due to eddy currents and magnetic hysteresis losses resulting in a conversion of energy from electromagnetic to heat
Implementation Method 4
the induction coil is also arranged to receive, in use, an electromagnetic field generated by an external source to charge the power source
Data Source
Figure 1
Figure 2A~2B
Figure 3
AI summary
An induction heating assembly for a vapour generating device, the heating assembly comprises a rechargeable power source and an induction coil. The induction coil is arranged to heat, in use, a susceptor and is also arranged to receive, in use, an electromagnetic field generated by an external source to charge the power source.