| 主权项 |
1. A device for protecting a rechargeable power supply of an electronic cigarette, characterized in that the device comprises: a rechargeable power supply module, a microcontroller, a semiconductor switch, and an interface module configured to connect a charging unit;
wherein the interface module comprises a first charging terminal and a second charging terminal, and the microcontroller comprising an input end and an output end; wherein the power supply module is connected to the interface module and the semiconductor switch, and is further connected to the charging unit via the interface module to be charged by the charging unit; wherein the power supply module is connected with the microcontroller and supplies electric power to the microcontroller by; and wherein the input end and the output end of the microcontroller is connected with the interface module and the semiconductor switch respectively, and the microcontroller detects a voltage signal of the first charging terminal, judges whether an electric level of the voltage signal is positive or negative and sends a control signal to the semiconductor switch for controlling the semiconductor switch to be ON or OFF. |
