Abstract: A wireless charging device comprises an electronic switch and a transmitting coil (L1) electrically connected with a power source in sequence. A control end of the electronic switch is connected with a transmitting control unit. The wireless charging device further comprises a current limiting resistance (R1) connected in serial with the transmitting coil. The wireless charging device further comprises a compensation capacitor (C1) connected in parallel with the transmitting coil. An insert total electromagnetic coupling structure is further employed for charging. Such wireless charging device is particularly suitable for electronic cigarette, with low cost, stable and reliable working status and high efficiency, and specific heat sink is not required.

Abstract: The present application provides a method and a device for generating smoking signals in electronic cigarettes and an electronic cigarette using the method and the device. The method includes these steps: using airflow passing through a vocal cavity of an electronic cigarette to drive the vocal cavity to vibrate and generate an ultrasonic wave; using an acoustic-electric conversion unit mounted on the vocal cavity to convert the ultrasonic wave into a voltage signal; and using a microprocessor of the electronic cigarette to generate a control signal according to the voltage signal and start a heating and atomizing process of tobacco juice in the electronic cigarette.

Abstract: The disclosure discloses an atomizer assembly, an electronic cigarette equipped with such atomizer assembly and a method for assembling the atomizer assembly. Wherein, an atomizer assembly configured to be connected with a battery assembly to form an electronic cigarette comprises an atomizer base, wherein, the atomizer assembly further comprises a marking element sheathed on the atomizer base and fixedly connected to the atomizer base, and the marking element is configured to be twisted off when the electronic cigarette is used. In this way, users can judge whether the electronic cigarette has been used or not. Therefore, the using process of the electronic cigarette is more healthy and can avoid diseases transmitting reciprocally between different users.

Abstract: A multi-sensor control circuit used in an electronic cigarette comprises a control module, at least two inhalation sensors, and at least two unidirectional circuits corresponding to the inhalation sensors. An output terminal of each inhalation sensor is connected to an input terminal of a corresponding unidirectional circuit, and output terminals of the unidirectional circuits are all connected to a same input pin of the control module. Each inhalation sensor outputs a sensing voltage signal to the corresponding one of the unidirectional circuits upon sensing airflow. Each unidirectional circuit filters the sensing voltage signal received from a corresponding inhalation sensor to generate a unidirectional voltage signal, and outputs the unidirectional voltage signal to the input pin of the control module. The control module controls the electronic cigarette to work upon receiving the unidirectional voltage signal outputted from any unidirectional circuit.

Abstract: An electronic cigarette comprising a battery pole and an atomizer is provided, the battery pole includes a battery and a control module, and the atomizer includes an identification signal generation module and an atomizing module; the identification signal generation module is configured for sending an identification signal to the control module by wired transmission or wireless transmission; the control module is configured for determining whether the atomizer matches with the battery pole basing on whether the identification signal is received or whether the identification signal is correct, and controlling the battery to be electrically connected with or to be electrically isolated from the atomizing module according to the determining result. The case that different kinds of tobacco juices with different tastes may be mixed together, and the case that battery poles and atomizers provided by different manufacturers may be randomly assembled together can be avoided.

Abstract: A charger and a charger controlling method for a battery rod having a small battery capacity are provided, which are used to charge a battery rod comprising a charging management circuit, and the battery capacity C of the battery rod is less than 100 mAh. The method comprises: defining a preset constant charging current I based on the battery capacity C of the battery rod in order to charge the battery rod with a current of KC, wherein, the value of K is less than 1, and the value of I and the value of C conform to the following relationship: I=K*C; detecting a real-time charging current Itemp of the battery rod in real time; comparing Itemp with I, and adjusting the output charging voltage according to the comparison result to charge the battery rod with a current of KC.

Abstract: The invention relates to a tester and test method for smoke amount of electrical cigarette. The tester includes a collect device, a testing device, a control device as well as an input and output device. The input and output device is used to set test parameters, alarm and display a value of smoke amount and a test result whether qualified. The collect device, used to collect smoke, can precisely control a pumping smoke time and a pumping smoke capacity by introducing a step motor. The testing device, utilizing a light emitter and receiver, test a smoke amount. If the smoke amount tested is less than a predetermined smoke amount, an alarm system alarms by way of display and/or sound. The invention quantifies smoke amount of electronic cigarette, which can be adopted in the manufacture field of electronic cigarette to test smoke amount.

Abstract: A charger with over-voltage and over-current protection and a method for using the same are provided. The charger comprises a first interface, a second interface, a voltage stabilizing unit, a control unit, an input voltage sampling unit, a switch unit, and a current sampling unit. The voltage stabilizing unit receives an input voltage of an external power supply and provides a constant working voltage to the control unit. The input voltage sampling unit detects the input voltage real-timely. The current sampling unit detects charging current of the battery rod real-timely. The control unit determines whether the input voltage detected by the input voltage sampling unit generates over-voltage or not, or determines whether the charging current detected by the current sampling unit generates over-current or not, and controls the switch unit to turn on or turn off according to the determination results.

Abstract: A battery power detecting device and method are provided. It can detect the battery power of a battery rod in a non-disposable electronic cigarette. The battery power detecting device includes a spare battery unit, a current sampling unit, a voltage sampling unit, a charging control unit, a main control unit, and a power display unit. The main control unit is configured to control the charging control unit to adjust and output the voltage provided by the spare battery unit according to the charging current sampled by the current sampling unit, in order to make the charging current equal to a preset current. Then, the main control unit calculates the battery power of the battery rod according to the charging voltage currently sampled by the voltage sampling unit, and finally controls the power display unit to display the battery power of the battery rod.

Abstract: An over-current and over-voltage protection circuit for an electronic cigarette, comprising a battery and an interface, a control unit and a charging detection switch unit; the control unit is configured for calculating an actual charging current according to the first working voltage and determining whether the actual charging current exceeds a preset charging current threshold value, and sending a first charging controlling signal to the charging detection switch unit; the control unit is further configured for real-timely detecting an input voltage of the interface, determining whether the input voltage of the interface is in over-voltage status, and controlling a turned-on or turned-off operation of the charging detection switch unit. The over-current over-voltage protection circuit and method eliminate the security risk of the battery pole not having a charging management circuit in the non-normal charging status.

Abstract: A USB charger for an electronic cigarette includes a first interface, a control module and a second interface and a built-in battery. The control module is connected to the first interface, the second interface and the built-in battery respectively. The first interface is configured to connect an external power source so as to provide a power supply. The second interface is configured to connect a battery rod of an external electronic cigarette. The control module is configured to charge the battery rod of the electronic cigarette and the built-in battery simultaneously by using the external power source, or control the built-in battery to charge the battery rod of the electronic cigarette, based on the access state of the external power source at the first interface. The electronic cigarette can be charged by the USB charger even if there is no external power source.

Abstract: A control circuit and method for use with an electronic cigarette box, the control circuit includes a charge management module, an inner battery, a control module, a voltage booster, a batter voltage detective module, a load detective module and an indicative module. According to received signals form the battery voltage detective module, the load detective module and the charge management module, the control module control the voltage booster adjusting a charge voltage supplied from the inner battery and outputting a voltage to charge a charge load, and the control module further control the indicative module displaying a charge state. The control circuit provides indications of various operation states or breakdown states, various charge interfaces, functions of detecting load and protection for inner battery and circuits.

Abstract: A USB charger for electronic cigarettes, comprising a USB interface configured for connecting with a power supply and a load end configured for connecting with a load, wherein, the USB charger for electronic cigarettes further comprises a voltage comparison unit, a benchmark circuit, a sampling circuit, a current detecting element, a state indicating unit, and a low voltage difference linear regulator connected between the USB interface and the load end; the benchmark circuit is connected between an input end of the low voltage difference linear regulator and an input end of the voltage comparison unit; and the state indicating unit is connected with an output end of the voltage comparison unit; the USB charger for electronic cigarettes of the present invention achieves advantages effects of being safer and improving users' experiences.

Abstract: An electronic cigarette and a wireless charging device for the same. The electronic cigarette comprises a receiving coil electrically connected with a battery. The receiving coil is provided in a body of the electronic cigarette and an axis of the coil is parallel to the electronic cigarette. The charging device comprises an electronic switch and a transmitting coil connected with a power source in sequence. The electronic switch is controlled by a transmitting control unit, and the transmitting coil is used for the electronic cigarette to be inserted therein. A housing of the charging device is provided with an inserting hole or a sleeve, which is placed correspondingly with the transmitting coil. The electronic cigarette and the wireless charging device for the same work in a non-contact manner by using a insert total electromagnetic coupling structure.

Abstract: An electronic cigarette case and a method for charging an electronic cigarette through it are provided. The electronic cigarette case comprises a case body having a charging interface, it further comprises a controller, a trigger switch, a charging detection module and an electronic cigarette charging output module, the trigger switch is set close to the charging interface and will be triggered when the electronic cigarette has been inserted into the charging interface, in case the controller has found out that the trigger switch has been triggered, it will control the electronic cigarette charging output module to enter a charging mode; in case the charging detection module has found out that the electronic cigarette has been fully charged, the controller will control the electronic cigarette charging output module to enter an ultra low standby mode.

Abstract: The invention discloses an USB charger with electric power display of battery being charged and a method for electric power display of battery being charged in an electronic cigarette. The USB charger includes an USB interface, a battery unit and a charging control unit, and further includes an electric power display unit. The charging control unit, being separately connected to the USB interface, the battery unit and the electric power display unit, controls an external power supply charging a battery in the battery unit through the USB interface, tests voltage of the battery being charged directly or indirectly, and further controls the electric power display unit to show updated electric power of the battery being charged in real time to user who can know current charging state of the battery.

Abstract: A charging method of electronic cigarette and an electronic cigarette box is provided in the present invention. The charging method of electronic cigarettes, comprising: using a preset first voltage to charge an electronic cigarette for a preset length of time, and setting the maximum value of charging current to be a preset first current value in the charging process; detecting the charging current and/or a charging voltage in the charging process for the preset length of time, and selecting different charging modes to charge the electronic cigarette according to the detected current value and/or the detected voltage value.

Abstract: The invention discloses a charging circuit and a method for preventing charging power supply from reversely connecting in an electronic cigarette or electronic cigarette case. The charging circuit comprises a direct current input terminal, an unit for preventing charging power supply from reversely connecting, a charge management unit and a rechargeable battery. The unit is electrically connected to the direct current input terminal; the charge management unit is electrically connected to the unit and the rechargeable battery. The charging circuit and method according to these embodiments of the invention can effectively avoid the risk caused by the reverse connection of the charging power supply for the electronic cigarette or the electronic cigarette case; it also has the advantages such as low voltage drop and low power consumption.

Abstract: An efficient electronic cigarette charging device and a method for efficiently charging an electronic cigarette are provided, the device comprises an electronic cigarette case and a battery rod, the battery rod includes a charging management unit and an electronic cigarette battery unit, the electronic cigarette case includes an electronic cigarette case battery unit, a current sample unit, a micro-control unit and a adjustable voltage output unit, the current sample unit is configured to sample actual charging current the charging management unit to the electronic cigarette battery, and the micro-control unit is configured to compare the actual charging current with default battery constant charging current, and further control the adjustable voltage output unit to adjust the charging voltage output.

Abstract: An electronic cigarette case comprising a case body to accommodate electronic cigarettes is provided, the electronic cigarette case further comprises a storage managing module, a storage and a data transmission interface, the storage and the data transmission interface are in communication with the storage managing module, the storage managing module will read external data from external electronic equipments through the data transmission interface and write the external data into the storage for storing; or the storage managing module will read the stored data from the storage and transfer them to the external electronic equipments through the data transmission interface. Thus, the electronic cigarette case and the mobile storage device can be integrated as a whole to make it friendly for users to be carried.