FIELD: heating.
SUBSTANCE: present invention relates to an induction heating device and more specifically to an induction heating device, which is capable of heating by changing the resonance frequency depending on the susceptor material and/or the length of the induction coil and/or the number of turns of the induction coil. Induction heating device in accordance with one of the embodiments of the present disclosure includes: battery; power amplification circuit for amplifying the DC voltage supplied from the battery; induction logic for converting direct current from the power amplification circuit into alternating current; a first induction coil for generating a magnetic field with an alternating current supplied from an induction logic; a second induction coil for generating a magnetic field with an alternating current supplied from the induction logic; a susceptor installed in an induction heating device or in an article generating an aerosol which is inductively heated by a first induction coil and/or a second induction coil; a plurality of capacitors connected between the induction logic and the first induction coil; capacitor switches respectively connected to a plurality of capacitors connected between the induction logic and the first induction coil; a plurality of capacitors connected between the induction logic and the second induction coil; capacitor switches are respectively connected to a plurality of capacitors connected between the induction logic and the second induction coil; control logic for switching on or off capacitor switches, respectively connected to a plurality of capacitors connected between the induction logic and the first induction coil, and/or capacitor switches, respectively connected to a plurality of capacitors connected between the induction logic and the second induction coil; a first sensor connected to the first induction coil for measuring impedance; a second sensor connected to the second induction coil for measuring impedance; and a microcontroller for controlling at least one of these components.
EFFECT: disclosed is an induction heating device.
1 cl, 3 dwg
