Patent ID: 11937649
Assignee: HUIZHOU HAPPY VAPING TECHNOLOGY LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC A  G  H  Y | IPC A  G  H

Claim 3:
4. The constant-power electronic cigarette protecting against dry-heating according to claim 1, wherein the microcontroller chip includes 20 pins, wherein a first pin is connected with a resistance detection signal output terminal of the resistance detection unit, a third pin is connected with a ground terminal, a fifth pin is connected with a battery supply terminal, an eighth pin is connected with a control signal terminal of the resistance detection unit, a thirteenth pin is connected with a PWM control signal input terminal of the constant-power control unit, a fifteenth pin is electrically connected with an unlock switch button signal terminal, a seventeenth pin is connected with an auxiliary resistance detection signal terminal of the resistance detection unit, a nineteenth pin is connected with a reference voltage terminal, and a twentieth pin is connected with a starting switch signal terminal.