阅读说明：本技术 双电池电子烟 (Double-battery electronic cigarette ) 是由 克劳德·佐米尼 于 2019-09-12 设计创作，主要内容包括：披露了一种电子烟(3),该电子烟具有用于加热气溶胶形成基质以产生可吸入气溶胶的电加热器(10)。提供了控制电路系统(16)以用于控制对该电加热器(10)的电功率供应。第一电池(1)在充满电时具有高于第一阈值的第一工作电压,并且该第一电池(1)在使用时向该控制电路系统(16)供应电功率。第二电池(2)在充满电时具有低于该第一阈值的第二工作电压,并且该第二电池(2)在使用时向该电加热器(10)供应电功率。(An electronic cigarette (3) is disclosed having an electric heater (10) for heating an aerosol-forming substrate to produce an inhalable aerosol. Control circuitry (16) is provided for controlling the supply of electrical power to the electrical heater (10). The first battery (1) has a first operating voltage above a first threshold when fully charged, and the first battery (1) supplies electrical power to the control circuitry (16) when in use. The second battery (2) has a second operating voltage below the first threshold when fully charged, and the second battery (2) supplies electrical power to the electric heater (10) when in use.)

1. An electronic cigarette, comprising:

an electric heater for heating an aerosol-forming substrate to produce an inhalable aerosol;

control circuitry configured to control supply of electrical power to the electric heater;

a first battery having a first operating voltage above a first threshold when fully charged, wherein the first battery is electrically connected to the control circuitry and is configured to supply electrical power to the control circuitry when in use; and

a second battery having a second operating voltage below the first threshold when fully charged, wherein the second battery is electrically connected to the electric heater and is configured to supply electric power to the electric heater when in use.

2. The electronic cigarette according to claim 1, wherein the first threshold is in the range of 3 to 3.3V.

3. The electronic cigarette according to claim 1 or claim 2, wherein a second operating voltage of the second battery when fully charged is below a second threshold, and the second threshold is less than the first threshold.

4. The electronic cigarette of claim 3, wherein the second threshold is in a range of 2.5V to 3V.

5. The electronic cigarette according to any preceding claim, wherein the control circuitry comprises a voltage multiplier configured to transform the voltage supplied by the second battery to the electric heater.

6. The electronic cigarette according to any of the preceding claims, wherein the first battery has a first charge capacity and the second battery has a second charge capacity that is greater than the first charge capacity.

7. The electronic cigarette of claim 6, wherein during normal use of the electronic cigarette, the first charge capacity of the first battery provides a first operating duration and the second charge capacity of the second battery provides a second operating duration, wherein the first operating duration is equal to or greater than the second operating duration.

8. The electronic cigarette according to any of the preceding claims, wherein the second battery is a lithium ion battery, such as a Lithium Titanate Oxide (LTO) battery.

9. The electronic cigarette according to any of the preceding claims, wherein the first battery and the second battery are rechargeable and the electronic cigarette includes charging circuitry.

10. The electronic cigarette according to claim 9, wherein the charging circuitry includes first and second charging integrated circuits for the first and second batteries, respectively.

11. The electronic cigarette according to claim 10, wherein the first charging integrated circuit and the second charging integrated circuit are each connected to a common charging input.

12. The electronic cigarette according to any preceding claim, wherein the control circuitry comprises feedback from the electric heater or a sensor associated with the electric heater such that the supply of electrical power to the electric heater is dependent at least in part on the feedback.

13. A method of operating an e-cigarette comprising an electric heater for heating an aerosol-forming substrate to produce an inhalable aerosol, control circuitry configured to control the supply of electrical power to the electric heater, a first battery and a second battery, wherein the method comprises the steps of:

supplying electrical power to the control circuitry from the first battery, wherein the first battery has a first operating voltage above a first threshold when fully charged; and

supplying electric power from the second battery to the electric heater, wherein the second battery has a second operating voltage lower than the first threshold when fully charged.