Abstract: A power supply device includes a battery housing having a receiving chamber and a battery assembly installed in the receiving chamber. The battery assembly comprises a circuit board and a USB interface connected to the circuit board. The circuit board is protrudingly provided with a retaining protrusion. The retaining protrusion elastically abuts against and is slidable along an inner wall of the receiving chamber along an axial direction of the battery housing. The inner wall of the receiving chamber is provided with a retaining groove corresponding to the retaining protrusion. The retaining groove is provided on the sliding path of the retaining protrusion. The battery housing is further provided with a USB slot. When the retaining protrusion slides to be aligned with the retaining groove, the retaining protrusion is engaged into the retaining groove, and the USB interface is inserted into the USB slot simultaneously.

Abstract: A cartridge includes a cartridge body, a base provided at one end of the cartridge body, and an atomizing head received in the cartridge body. The atomizing head includes a heating structure. The heating structure has two pins. A first pressing member and a second pressing member are installed on the base. The first pressing member presses and fixes one of the pins on the base and is electrically connected to the pin. The second pressing member presses and fixes the other pin on the base and is electrically connected to the other pin. The two pins of the heating structure are respectively pressed and fixed by the first pressing member and the second pressing member. It is convenient for the user to replace the heating structure, the operation is simple and convenient, the connection stability is strong, and the user experience is improved.

Abstract: An atomizer includes an external sleeve and a heating assembly. The external sleeve defines an air intake hole. The heating assembly is received in the external sleeve. The heating assembly includes a tobacco holder and a heating member for heating the tobacco holder, the tobacco holder defines an atomizing chamber for filling fuming material, the tobacco holder defines a ventilation hole which fluidly communicates with the atomizing chamber. A spiral air intake passage is formed outside the tobacco holder and surrounds the tobacco holder, both the air intake hole and the ventilation hole fluidly communicate with the air intake passage, the tobacco holder and/or the heating member possesses a heating effect to the air intake passage. The tobacco holder and the air flow flowing through the spiral air intake passage can be heated at the same time.

Abstract: A cartridge includes a cartridge casing with a liquid storage chamber therein, a sealing member for sealing the liquid storage chamber, a shielding member provided on the cartridge casing, an atomizing chamber, a smoke outlet channel and an air inlet passage. The sealing member is located between the shielding member and the cartridge casing. The shielding member forms part of the outer contour of the cartridge and the sealing member is shielded by the shielding member. A communication opening is defined through the shielding member. The sealing member is an elastically deformable member. When filling liquid, a liquid injection needle passes through the communication opening and pierces the sealing member, and then extends into the liquid storage chamber to inject e-liquid. When the liquid injection needle is pulled out after liquid injection, the sealing member automatically restores to seal the liquid storage chamber again.

Abstract: Disclosed are an atomizing head, an atomizer, and an electronic cigarette. The atomizing head includes a contacting member, an atomizing core and a core seat, wherein an atomizing cavity is formed in the core seat, the atomizing core is connected to the core seat, the atomizing core is a porous ceramic body, the atomizing core is provided with a conductive member, and the contacting member is in contact with the conductive member so as to realize an electrical connection between the contacting member and the atomizing core. The atomizing head, the atomizer and the electronic cigarette are easily assembled, thereby improving the assembly efficiency and reducing the production cost.

Abstract: The present disclosure provides a cartridge, a battery assembly and an electronic cigarette. The cartridge, includes: a liquid absorbing assembly, and a liquid container for supplying tobacco liquid to the liquid absorbing element, the liquid absorbing element is arranged below the liquid container, the liquid absorbing assembly is arranged in such a manner that the tobacco liquid is kept in the liquid container or the liquid absorbing element before the cartridge is assembled at an in-use state.

Abstract: An atomizer includes a housing, an atomizing assembly and a movable assembly. The housing defines a mounting opening. The atomizing assembly includes an inner tube detachably mounted in the housing through the mounting opening. The inner tube is provided with a smoke outlet. The movable assembly includes a dustproof cover movably disposed on the housing and a locking member. The dustproof cover is rotatable relative to the locking member, rotating the dustproof cover can open the mounting opening to expose the smoke outlet or close the mounting opening to cover the smoke outlet. The inner tube is provided with a locking groove engaged with the locking member. When the dustproof cover opens the mounting opening and the dustproof cover is caused to slide, the locking member moves under the driving of the dustproof cover to disengage from the locking groove, such that the inner tube can be taken out.

Abstract: A driver circuit for electronic cigarettes includes an MCU, a power source, a first sampling circuit, a second sampling circuit, and a buck-boost driver circuit electrically connected to the MCU, the boosting circuit and MCU are respectively electrically connected the power source. The buck-boost driver circuit comprises a first half bridge drive circuit and a second half bridge drive circuit respectively connected to the MCU. One end of the first sampling circuit is electrically connected to an input terminal of the first half bridge drive circuit, through which the power source supplies power to the first half bridge drive circuit; the other end of the first sampling circuit is electrically connected to the MCU; one end of the second sampling circuit is electrically connected to the output terminal of the second half bridge drive circuit, and the other end of the second sampling circuit is electrically connected to the MCU.

Abstract: A temperature control method of an electronic cigarette includes the following steps: when a cigarette lighting signal is received, acquiring a preset maximum duty cycle as the initial duty cycle or determining the initial duty cycle according to the current parameters of the electronic cigarette; adjusting the battery voltage according to the initial duty cycle and outputting the battery voltage to a heating element to increase the temperature of the heating element; acquiring a temperature parameter for characterizing the temperature of the heating element; when the temperature parameter of the heating element meets a preset temperature control condition, adjusting the duty cycle according to the temperature parameter of the heating element so that the heating element retains its temperature. The temperature control method can realize the effective control of the temperature of the heating element and ensure the suction effect and the suction safety.

Abstract: An atomizer includes a housing structure, a connecting structure installed at one end of the housing structure, and a heating structure installed in the housing structure. The connecting structure includes a first conductive member provided below the housing structure, a second conductive member provided in the first conductive member, an insulating member provided between the first conductive member and the second conductive member, and a third conductive member provided in the second conductive member. The heating structure includes a heating member. The heating member includes a main body, and a first electrode contact and a second electrode contact configured for electrically connecting with the main body. The first electrode contact is clamped between the first conductive member and the housing structure. The second electrode contact is clamped between the second conductive member and the third conductive member.

Abstract: A battery pack includes a battery main body and a cover assembly arranged on the battery main body. The battery main body has a mounting groove. A side wall of the mounting groove is provided with a clamping portion. The battery main body is electrically connected to a switch. The cover assembly includes a cover movably arranged in the mounting groove, a locking structure arranged on the cover, and an abutting member arranged, corresponding to the switch, between the mounting groove and the cover. The locking structure includes a locking member movably arranged, corresponding to the clamping portion, on the cover, and a second elastic member elastically abutting between the cover and the locking member. The locking member and the clamping portion can be disengaged by prodding the locking member, and thus the cover can be pressed so that the abutting member abuts against and closes the switch.

Abstract: A cartridge includes a cartridge housing, an atomizing head, and a sealing member. A liquid storage cavity for storing e-liquid is formed inside the cartridge housing. The atomizing head is located at one end of the cartridge housing, and the sealing member is located at the other end of the cartridge housing opposite to the atomizing head. The atomizing head is in communication with the liquid storage cavity and the outside. When a liquid injection needle is used to inject liquid into the cartridge, the liquid injection needle pierces the sealing member and extends into the cartridge housing to inject e-liquid into the liquid storage cavity. The air in the liquid storage cavity is discharged out through the end of the cartridge housing with the atomizing head. After the liquid injection needle is pulled out, the sealing member will form a self-sealing at the pierced position.

Abstract: An electronic cigarette includes a main body, a base assembly, an atomizing assembly, a power supply device and a cigarette lighting device. The main body forms an accommodating cavity therein. The base assembly is movably arranged on the main body. The atomizing assembly is connected with the base assembly and is movably received in the accommodating cavity under the driving of the base assembly. A first triggering member is installed on the main body, a second triggering member is installed on the base assembly. When the atomizing assembly is received in the accommodating cavity, the first triggering member and the second triggering member form a first relationship of a triggering state. When the atomizing assembly moves out of the accommodating cavity, the first triggering member and the second triggering member form a second relationship of a disconnected state.

Abstract: An electronic cigarette control method, an electronic cigarette control device and an electronic cigarette using the control method and the control device are provided. The control method includes: determining the suction force indication information according to the information detected by a detecting assembly, wherein the detecting assembly includes a first air pressure detecting member arranged in an air passage in communication with a mouthpiece; determining the target value of a working parameter of an atomizer according to the suction force indication information, wherein the working parameter includes at least one of the output power, the temperature in an atomizing chamber, the working voltage of the atomizer, and the temperature of a heating member; and controlling the atomizer to work according to the target value of the working parameter. The control method can adjust the output power, so that the user can obtain different smoking tastes.

Abstract: A control method for an electronic cigarette, includes: acquiring identity authentication information, the identity authentication information comprising an identity identifier; sending the identity authentication information to a server; receiving an authentication result fed back by the server, the authentication result being a result for whether a user is allowed to use an electronic cigarette or not which is determined by the server according to the identity authentication information; and controlling the electronic cigarette to execute corresponding operations, according to the authentication result. The method solves the problem in existing technology of only being able to authenticate whether the user of an electronic cigarette is the owner or not, and may achieve the effect of authenticating whether the user of the electronic cigarette is a legitimate user.

Abstract: A cartridge includes a cartridge shell, and a movable structure and an atomizing structure received in the cartridge shell. The cartridge shell is provided with a vent hole. The movable structure includes an isolation guiding tube received in the cartridge shell and a movable tube at least partially disposed in the isolation guiding tube. The movable tube includes an operating portion and a shielding portion connected to a lower end of the operating portion. The operating portion is located in the isolation guiding tube and one end of the operating portion extends out from the vent hole. The atomizing structure is provided with a liquid inlet hole. The shielding portion is movably sleeved on the atomizing structure to shield or expose the liquid inlet hole, to cause the liquid inlet hole to be isolated from or in communication with the liquid storage chamber.

Abstract: A cartridge includes a liquid storage chamber and an atomizing device. The atomizing device includes an atomizing base and a liquid absorbing member installed in the atomizing base. The atomizing base is provided with an atomizing chamber therein. The atomizing base is made of an elastic material. The atomizing base is provided with a through hole. The liquid absorbing member extends through the through hole, and the inner wall of the through hole closely abuts against the outer wall of the liquid absorbing member to isolate the liquid storage chamber from the atomizing chamber. No gap causing e-liquid leakage is present between the liquid absorbing member and the through hole, thereby effectively preventing e-liquid leakage, achieving good isolation between e-liquid and vapor, and simplifying the assembly process. An electronic cigarette having the cartridge is also provided.

Abstract: An electronic cigarette vaping device is provided and includes a first element, a heating structure and a second element. A first thread is provided at a connecting end of the first element, a second thread is provided at a connecting end of the second element. The first thread is one of an external thread and an internal thread, the second thread is the other of the external thread and the internal thread. The first thread is threadedly engaged with the second thread. Along the axial direction of the electronic cigarette vaping device, the first element is provided with a sliding groove extending from the connecting end of the first element toward a direction away from the second element. The sliding groove runs through the first thread. The vaping device can not only protect the heating member, but also facilitate the cleaning of the heating member.

Abstract: A cartridge includes a liquid storage assembly, a connecting assembly, and an atomizing assembly. The connecting assembly is connected to the lower end of the liquid storage assembly. The atomizing assembly is received in the connecting assembly. The atomizing assembly includes an atomizing base, a liquid absorbing member, and a heating member. The upper end surface of the atomizing base is recessed downward to form a mounting groove. The liquid absorbing member is received in the mounting groove. The heating member is located above the mounting groove of the atomizing base corresponding to the liquid absorbing member, and the heating member presses and fixes the liquid absorbing member in the mounting groove. The liquid storage chamber is in fluid communication with the liquid absorbing member. The cartridge is convenient to replace the entire atomizing assembly or replace the liquid absorbing member and the heating member individually.