Control device for aerosol inhalation device and aerosol inhalation device

A control device for an aerosol inhalation device, the device comprising:

• an operational amplifier configured to perform output according to a voltage applied to a load configured to heat an aerosol source, an electrical resistance value of the load having a correlation with a temperature;
• a controller configured to perform processing based on the voltage according to the output;
• a diode having an anode electrically connected to one of an inverting input terminal and a noninverting input terminal of the operational amplifier;
• and
• a first circuit and a second circuit, which are electrically connected in parallel between a power supply and the load, wherein
• the first circuit includes a first switch,
• the second circuit includes a second switch and a shunt resistor,
• an electrical resistance value of the second circuit is larger than an electrical resistance value of the first circuit,
• the controller is further configured to acquire the voltage according to the output of the operational amplifier during a time when the second switch is in an ON state,
• of the inverting input terminal and the noninverting input of the operational amplifier, a terminal to which the anode of the diode is electrically connected is electrically connected to a first region, and a power supply terminal of the operational amplifier is electrically connected to a second region, and
• a maximum voltage in the second region is lower than a maximum voltage in the first region, or a voltage applied to the second region is lower than a voltage applied to the first region.

A control device for an aerosol inhalation device, the device comprising:

• a comparator configured to perform output according to a voltage applied to a load configured to heat an aerosol source, an electrical resistance value of the load having a correlation with a temperature;
• a controller configured to perform processing based on the voltage according to the output;
• a diode having an anode electrically connected to an input terminal of the comparator;
• and
• a circuit configured to electrically connect a power supply and the load, wherein
• the circuit is formed by
• a first region, and
• a second region in which a maximum voltage is lower than a maximum voltage in the first region, or an applied voltage is lower than a voltage applied to the first region, and
• the input terminal is electrically connected to the first region, and
• a power supply terminal of the comparator is electrically connected to the second region.

A control device for an aerosol inhalation device, the device comprising:

• a comparator configured to perform output according to a voltage applied to a load configured to heat an aerosol source, an electrical resistance value of the load having a correlation with a temperature and an electrical resistance value;
• a controller configured to perform processing based on the voltage according to the output;
• a diode having an anode electrically connected to an input terminal of the comparator;
• a first circuit and a second circuit, which are electrically connected in parallel between a power supply and the load, wherein
• the first circuit includes a first switch,
• the second circuit includes a second switch and a shunt resistor,
• an electrical resistance value of the second circuit is larger than an electrical resistance value of the first circuit,
• the controller is further configured to acquire the voltage according to the output of the comparator during a time when the second switch is in an ON state,
• the input terminal of the comparator is electrically connected to a first region, and a power supply terminal of the comparator is electrically connected to a second region, and
• a maximum voltage in the second region is lower than a maximum voltage in the first region, or a voltage applied to the second region is lower than a voltage applied to the first region.

A control device for an aerosol inhalation device, the device comprising:

• an operational amplifier configured to perform output according to a voltage applied to a load configured to heat an aerosol source, an electrical resistance value of the load having a correlation with a temperature;
• a controller configured to perform processing based on the voltage according to the output;
• an aerosol generation circuit including the load, wherein a power supply voltage of the operational amplifier equals a voltage applied to the aerosol generation circuit, and one of an inverting input terminal and a noninverting input terminal of the operational amplifier is electrically connected to the aerosol generation circuit;
• and
• a first circuit and a second circuit, which are electrically connected in parallel between a power supply and the load, wherein
• the first circuit includes a first switch,
• the second circuit includes a second switch and a shunt resistor,
• an electrical resistance value of the second circuit is larger than an electrical resistance value of the first circuit, and
• the controller is further configured to acquire the voltage according to the output of the operational amplifier during a time when the second switch is in an ON state.