Abstract: The disclosure provides a control method of an electronic cigarette with child lock function, wherein a microcontroller of the electronic cigarette is set with child lock control program which comprises steps of: S1. in a locked state of the electronic cigarette, monitoring a signal which indicates that a touch button is touched in real time by the microcontroller; S2. determining whether a duration of time during which the touch button is touched exceeds a first set time by the microcontroller; S3. controlling an LED indicator to light up for a second set time and meanwhile continuously monitoring whether the touch button is consecutively touched by the microcontroller; S4. determining whether a number of times the touch button is consecutively touched in the second set time reaches a set number by the microcontroller; S5. unlocking the electronic cigarette by the microcontroller, to allow the electronic cigarette to enter a stand-by state.

Abstract: An electronic cigarette preheating method comprises setting preheating parameters and preheating routine in a microcontroller MCU. The preheating parameters at least include preset temperature value, and preset heating time or preset target temperature value. The preheating routine comprises: after turning on the electronic cigarette, activating preheating function when preheating button arranged on the electronic cigarette is pressed, detecting real-time temperature value by means of a temperature sensor; by means of the microcontroller MCU, comparing the real-time temperature value with the preset temperature value, and determining whether preheating of the cigarette liquid stored inside the liquid storage chamber is required. If no, directly entering an available stand-by state.

Abstract: The electronic cigarette having a power chip with automatic closed-loop control for output comprises a vaporizer and a battery assembly which are connected with each other. The vaporizer comprises a heating element. The battery assembly comprises a battery and a control circuit board arranged with a control circuit. The control circuit comprises a microcontroller, and comprises a power chip, a microcontroller power supply unit, and a starting switch, which are electrically connected with the microcontroller, respectively. The control circuit is further arranged with a reference resistor connected with the heating element. The power chip is electrically connected with the battery, the reference resistor, and the heating element. The power chip is configured to perform automatic closed-loop control by determining the resistance value of the reference resistor and feedback for output voltage under a command of the microcontroller, to output precisely adjustable voltage to the heating element.

Abstract: Disclosed are an electronic cigarette, e-cigarette, for preventing minors from using and a control method thereof. The e-cigarette includes a vaporization assembly and a battery assembly, where the vaporization assembly is provided therein with a vaporization device; the battery assembly includes a casing, a holder, a battery, and a control circuit; the control circuit includes an output power control unit, a storage control unit, a personal biometric information acquisition unit, a prompt unit, and a communication unit; the personal biometric information acquisition unit is configured to acquire and input a user's personal biometric information into the storage control unit; and when the storage control unit stores or changes the user's authorized personal biometric information, the storage control unit utilizes an external device and special software that are authorized to complete the storage or change.

Abstract: The electronic cigarette chip with automatic closed-loop control for output voltage and a working method thereof are provided. The chip comprises a built-in MCU module, a full bridge buck-boost module, an output voltage feedback circuit module, an operational amplifying unit module, and a plurality of signal terminals. The signal terminal VOUT serves to provide output voltage to a heating element. The output voltage feedback circuit module serves to feed output voltage of the signal terminal VOUT back to the built-in MCU module. The operational amplifying unit module serves to detect a resistance value of the heating element and send it to the built-in MCU module. The built-in MCU module serves to perform operations based on setting signals of the external chip and feedback signals of the output voltage feedback circuit module, and automatically control the full bridge buck-boost module, to provide precisely adjustable output voltage by the signal terminal VOUT.

Abstract: An electronic cigarette preheating control method comprises setting preheating parameters and preheating routine in a microcontroller MCU. The preheating parameters at least include preset temperature value, and preset heating time or preset target temperature value. The preheating routine comprises: after turning on the electronic cigarette, activating preheating function when preheating button arranged on the electronic cigarette is pressed, detecting real-time temperature value by means of a temperature detection unit; by means of the microcontroller MCU, comparing the real-time temperature value with the preset temperature value, and determining whether preheating of the cigarette liquid stored inside the liquid storage chamber is required. If no, directly entering an available stand-by state.

Abstract: An electronic cigarette encrypted by wireless electronic tag and an encrypting method thereof are provided. The electronic cigarette comprises a vaporizer (1) and a battery assembly (2) connected with each other, the vaporizer (1) comprises a heating resistor (3) and a wireless electronic tag preset with encryption information, the battery assembly (2) comprises a battery (4) and a control circuit board (5) arranged with a microcontroller, a resistance detection unit, a voltage output control unit, a wireless electronic tag reader, and a wireless signal transmitter, wherein the wireless electronic tag reader reads the encryption information and sends it to the microcontroller, and the voltage output control unit outputs voltage to the heating resistor on the premise that the resistance value of the heating resistor is detected by the resistance detection unit and the encryption information is read by the wireless electronic tag reader as well.

Abstract: Disclosed is an electronic cigarette with automatic preheating in anticipation of a smoking action and a control method thereof, where the electronic cigarette includes a liquid storage chamber, a battery, a vaporizing device, a control circuit, and a preheating element, the control circuit is provided with electronic components including a gravity sensor, a temperature detection unit, and a microcontroller, and is configured as: when the gravity sensor senses a certain range of a movement change of the electronic cigarette, the microcontroller predetermines that the movement change indicates a smoking action, the microcontroller determines whether to preheat according to a real-time temperature value detected by the temperature detection unit, if the smoking action is indicated and preheating is required, the preheating element is controlled to heat for a preset heating period or until a preset target temperature value is reached, the electronic cigarette enters a standby smoking state.

Abstract: A vaporizer having a vaporization cavity at an inner bottom of a vaporization core comprises a housing (1), which includes a mouthpiece end (11) provided with a mouthpiece tube (111), and a connecting end (12) closed by a bottom cap (3). A vaporizing assembly (2) is provided between the mouthpiece tube (111) and the bottom cap (3) inside the housing (1). The vaporizing assembly (2) comprises a vaporization core (21), and a vaporizing base (23). The lower portion of the vaporization core (21) is inserted in a central accommodation cavity (232) of the vaporizing base (23), and the upper end of the vaporization core (21) is sleeved on the lower end of the mouthpiece tube (111). The vaporization cavity is provided at the inner bottom of the vaporization core (21), and the vaporization core (21) is provided with a central through-hole extending vertically.

Abstract: A constant-power electronic cigarette protecting against dry-heating and a controlling method thereof are provided. The electronic cigarette comprises a vaporization rod (1) with a heating resistor arranged therein and comprises a battery rod (2) in which a battery (4), a control circuit board (5) and an unlock switch button (6) and a starting switch are arranged. The heating resistor is a variable resistor with a resistance variable depending on a change in temperature and having a positive temperature coefficient. The control circuit board (5) is arranged with a microcontroller chip, a resistance detection unit, a constant-power output control unit, an output feedback unit, wherein the unlock switch button and the starting switch are electrically connected with the microcontroller chip.

Abstract: The disclosure provides an electronic cigarette having dual air passages. Inside the battery rod, a first suction sensing air passage is provided to communicate with the suction sensor. The second air inlet passage is centrally provided on the vaporizing base and extends therethrough. The second air inlet cavity which is in communication with the second air inlet passage is formed between the vaporizing base and the bottom cap. The first air inlet cavity is formed between the bottom portion of the bottom cap and the top portion of the receiving portion. The bottom portion of the bottom cap is provided with the first air inlet passage for communicating the first air inlet cavity with the second air inlet cavity. The bottom portion of the bottom cap is further provided with the second suction sensing air passage for communicating the second air inlet cavity with the first suction sensing air passage.

Abstract: The disclosure provides an electronic cigarette controllable by mobile software and a controlling method thereof. The electronic cigarette comprises a vaporizer having a heating resistor for heating and vaporizing electronic cigarette liquid and comprises a battery assembly having a battery and a control circuit board, wherein the control circuit board is arranged with a microcontroller, a Bluetooth data transmission unit and an unlock switch unit, wherein the Bluetooth data transmission unit is configured with a mobile software controlling terminal which is the APP installed on a smart phone, the APP contains encryption information which can be sent through mobile Bluetooth to the Bluetooth data transmission unit and then to the microcontroller, and the unlock switch unit is configured to perform unlock and power on operation when the encryption information is identified by the microcontroller.