Abstract: An ultrasonic atomization core (17), an ultrasonic atomizer, and an ultrasonic electronic cigarette are disclosed. The ultrasonic atomization core (17) comprises an atomization sleeve (1). The atomization sleeve is provided with an ultrasonic atomization sheet (2) and e-liquid guide cotton (3) that communicates the outside with an atomization surface of the ultrasonic atomization sheet (2). The atomization surface of the ultrasonic atomization sheet (2) is a concave surface. The e-liquid guide cotton (3) has a convex surface corresponding to the atomization surface. The curvature of the convex surface of the e-liquid guide cotton (3) is greater than or equal to the curvature of the atomization surface of the ultrasonic atomization sheet (2). The convex surface of the e-liquid guide cotton (3) is in contact with the atomization surface of the ultrasonic atomization sheet (2).

Abstract: An electronic cigarette atomizer and an electronic cigarette are disclosed. The electronic cigarette atomizer comprises an air inlet (1), an air inlet passage (2), an atomization cavity (3), an air outlet passage (4), an air outlet (5), and a suction nozzle (6) that are communicated in sequence. The electronic cigarette atomizer further comprises a housing (8) and an adjustment mechanism (7) for adjusting the air input of the air inlet (1). The air inlet passage (2), the atomization cavity (3), and the air outlet passage (4) are all arranged in the housing (8), and a top of the housing (8) is provided with a top cover (9). The adjustment mechanism (7) comprises a movable member (10) located in the top cover (9) and movable axially along the top cover (9).

Abstract: An electronic cigarette atomizer and an electronic cigarette are disclosed. The electronic cigarette atomizer comprises an air inlet (1), an air inlet passage (2), an atomization cavity (3), an air outlet passage (4), an air outlet (5), and a suction nozzle (6) communicated sequentially, and further comprises an adjustment mechanism (7) for adjusting the air output of the air outlet. The adjustment mechanism (7) simultaneously adjusts the air input of the air inlet (1) and the air output of the air outlet (5). The electronic cigarette atomizer can adjust the air output of the air outlet (5) of the atomizer and can meet the needs of users with different lung capacities for different smoke concentration adjustment modes. The electronic cigarette atomizer can simultaneously adjust the air flow at the air inlet (1) and the air outlet (5) of the atomizer.

Abstract: An electronic cigarette atomization core and atomizer is disclosed. The electronic cigarette atomization core includes an atomization member (3), an outer sleeve (24), a connection sleeve (22), and atomization cotton (14). A lower segment of the connection sleeve (22) is sleeved outside an upper segment of the outer sleeve (24). The outer sleeve (24) is sleeved outside the atomization cotton (14). The outer sleeve (24) is provided with a first e-liquid passage hole (2401) capable of communicating an inner cavity of an electronic cigarette e-liquid bin (12) with the atomization cotton (14). The connection sleeve (22) is axially movable or circumferentially rotatable relative to the outer sleeve (24) to close or open the first e-liquid passage hole (2401). A buffer sealing structure is arranged between the connection sleeve (22) and the outer sleeve (24).

Abstract: An atomizer and electronic cigarette are disclosed. The electronic cigarette comprises a shell (1), wherein a top of the shell (1) is connected to a mouthpiece (3) through a mouthpiece holder (2). The mouthpiece holder (2) is provided with an air inlet (201). An air tube (4) is arranged in the shell (1). An air inlet channel (401) is arranged in the air tube (4). A side wall of the air tube (4) is provided with a first air passing hole (402) for communicating the air inlet (201) with the air inlet channel (401). A top end of the mouthpiece (3) has an extension section (301). A bottom end face of the extension section (301) is provided with a number of step portions (3011) of unequal heights.

Abstract: An ultrasonic electronic cigarette is disclosed. The electronic cigarette includes an atomizer (1) and a battery assembly (2) detachably connected to each other. The atomizer (1) comprises an ultrasonic atomization sheet (3), and the battery assembly (2) comprises a first battery electrode (4) and a second battery electrode (5) for supplying power to the atomizer (1). When the atomizer (1) is connected to the battery assembly (2), a first pole of the ultrasonic atomization sheet (3) is electrically connected to the first battery electrode (4), and a second pole of the ultrasonic atomization sheet (3) is electrically connected to the second battery electrode (5).

Abstract: A cooling filter rod, an application, and a cigarette are provided. The cooling filter rod is mainly formed by cooling particles. The cooling particle includes a particle body and a shell coated on the particle body. The shell or the particle body contains a phase change material. The phase change material is coated on the surface of the particle material to form cooling particles, and the cooling particles are integrally formed into a cooling filter rod, which can be directly used for cigarette production after being compounded with conventional filter rods. The cooling effect can be controlled according to the amount of the phase change material and the cooling filter rod. Such a filter rod can realize industrial production and has low cost and good cooling effect.

Abstract: An electronic cigarette atomizer, including a shell; one end of the shell is in fixed connection with a suction nozzle; an ultrasonic atomization piece is fixed in the shell; the ultrasonic atomization piece is in contact with a liquid guide body; the liquid guide body is communicated with a liquid storage cavity; an atomization outlet of the ultrasonic atomization piece is communicated with an airflow passage; solid perfume are provided on the airflow passage; the solid perfume are in contact with a heating device; and a tail end of the airflow passage is communicated with the suction nozzle. The ultrasonic atomization piece is adopted to atomize the tobacco tar to produce smoke, meanwhile the solid perfume are heated by the heating device to produce fragrance, finally the smoke is mixed with the fragrance, in this case, the mixed smoke has the fragrance of the real cigarette.

Abstract: Disclosed are an ultrasonic atomization piece, an electronic cigarette atomization core and an electronic cigarette atomizer. The ultrasonic atomization piece includes a piezoelectric ceramic main body; one surface of the piezoelectric ceramic main body is in contact with a positive electrode conducting layer, and the other surface of the piezoelectric ceramic main body is in contact with a negative electrode conducting layer, the negative electrode conducting layer extends to the surface of the piezoelectric ceramic main body on which the positive electrode conducting layer is located along a side edge of the piezoelectric ceramic main body, and a plurality of convex point areas, which cover the edge of the positive electrode conducting layer are provided on an edge of the negative conductive layer.

Abstract: A frequency tracking method for an ultrasonic electronic cigarette is provided. The method includes enabling start of working of an ultrasonic atomizer and selecting an oscillation frequency range of the ultrasonic atomizer as a frequency scan range according to the natural frequency characteristics of the ultrasonic atomizer. The method further includes selecting N frequency points within the frequency scan range and controlling the ultrasonic atomizer to work at the N frequency points. The method further includes finding out a maximum current value Imax and a minimum current value Imin of the ultrasonic atomizer when working at the N frequency points, and finding out a working frequency fimax corresponding to the maximum current value Imax. The method further includes controlling the ultrasonic atomizer to work at a frequency ftracking=fimax+?f; and detecting the working current I of the ultrasonic atomizer.

Abstract: A working control circuit for an ultrasonic atomizer and an ultrasonic electronic cigarette are disclosed. The working control circuit comprises a power module, a booster circuit, a smoking switch, a controller, a drive circuit, and an LC oscillation circuit. An output end of the booster circuit is also connected to the drive circuit through a voltage regulator circuit. The voltage regulator circuit comprises a first MOS transistor, a first resistor, and a second resistor. A reference level feedback end of the booster circuit is grounded through a third resistor. The voltage output end of the booster circuit is electrically connected to the reference level feedback end of the booster circuit through a fourth resistor.

Abstract: An ultrasonic atomization type electronic cigarette includes an ultrasonic atomizer. The ultrasonic atomizer includes an ultrasonic atomization sheet, an electronic cigarette housing, an upper cover assembly, and a locking structure.

Abstract: An ultrasonic electronic cigarette atomizer and an electronic cigarette are disclosed. The atomizer includes a housing, a nozzle assembly that is connected to one end of the housing, an air inlet channel, an air outlet channel, and an ultrasonic atomization sheet that is disposed in the housing. The air inlet channel, an atomization region of the ultrasonic atomization sheet, and the air outlet channel are sequentially communicated. An outlet of the air inlet channel is opposite to the atomization region of the ultrasonic atomization sheet. The nozzle assembly comprises a nozzle holder mounted to one end of the housing, and a suction portion on the nozzle holder communicated with the air outlet channel.

Abstract: Embodiments of the invention disclose a combined ultrasonic atomizer, an atomization method thereof and electronic cigarette.

Abstract: An electronic cigarette is disclosed. The electronic cigarette includes a housing (1) and an atomization assembly (2) disposed in the housing (1). The electronic cigarette also includes a fixing mechanism (3) capable of fixing the atomization assembly (2), an unlocking mechanism (4) for controlling the fixing mechanism (3) to be relatively fixed to or separated from the atomization assembly (2), and an elastic mechanism (5) for ejecting the atomization assembly (2) outward when the fixing mechanism (3) is separated from the atomization assembly (2). The atomization assembly (2) can be ejected for replacement without contacting the atomization assembly (2) by hand, thereby preventing scalding and staining the hand. A top cover assembly (23) can be automatically opened only by pressing a sliding assembly (38) to replace a cartridge. The top cover assembly (23) can be reset by pushing to avoid misalignment.

Abstract: An ultrasonic liquid electronic cigarette atomizer and an ultrasonic liquid electronic cigarette are disclosed. The ultrasonic liquid electronic cigarette atomizer comprises an atomization core, a suction nozzle and an air outlet tube. A bottom end of the air outlet tube is communicated with an atomization chamber of the atomization core. A top end of the air outlet tube is communicated with the suction nozzle. The top end of the air outlet tube is communicated with a bottom end of the suction nozzle through a liquid blocking chamber, and the diameter of a top end of the liquid blocking chamber is greater than the diameter of the bottom end of the suction nozzle. The atomizer further comprises a connecting seat between the liquid blocking chamber and the suction nozzle.

Abstract: Embodiments of the present invention disclose an atomizer of electronic cigarette, comprising an ultrasonic atomization piece, wherein one surface of the ultrasonic atomization piece is in contact with a tobacco tar storage piece; the tobacco tar storage piece communicates with a tobacco tar cavity; the tobacco tar storage piece communicates with an airflow passage; and the tobacco tar storage piece and the ultrasonic atomization piece are sequentially provided along a smoke outflow direction.

Abstract: An ultrasonic electronic cigarette is disclosed. The electronic cigarette includes a housing (1) provided with an atomization sheet assembly (2) and a cartridge (3) therein. The atomization sheet assembly (2) comprises an ultrasonic atomization sheet (4) and an atomization seat (5) for supporting and fixing the ultrasonic atomization sheet (4). A top cover (7) is connected to the top end of the housing (1). A suction nozzle (8) is connected to the top cover (7). A press plate (9) and a locking mechanism (10) for controlling the press plate (9) to be opened or closed are also disposed in the housing (1). The cartridge (3) is fixed in the press plate (9). When the top cover (7) is closed and the locking mechanism (10) is locked, the press plate (9) and/or the cartridge (3) abut against the atomization sheet assembly (2).

Abstract: Embodiments of the present invention disclose an electronic cigarette atomizer, including an outer sleeve and a suction nozzle connected with one end of the outer sleeve, wherein a tobacco tar cavity and an atomization core are provided in the outer sleeve; the atomization core comprises two ultrasonic atomization components, and atomization surfaces of the two ultrasonic atomization components are provided oppositely; a gap is provided between the two atomization surfaces; the gap communicates with the suction nozzle; the two atomization surfaces are in contact with a first tobacco tar storage body and a second tobacco tar storage body respectively; and both of the first tobacco tar storage body and the second tobacco tar storage body communicate with the tobacco tar cavity.

Abstract: An electronic cigarette, comprising a housing and a suction nozzle, the housing provided with a support. The electronic cigarette further comprises a top cover capable of covering an opening of the housing, the suction nozzle is disposed at the top of the top cover, one end of the top cover is connected to the support through a rotating shaft, a clamping rib is disposed at the bottom of the top cover, and a locking mechanism connected to the clamping rib by locking and an elastic mechanism for opening the top cover when the locking mechanism is separated from the clamping rib are also disposed in the housing; the locking mechanism comprises a key handle, a transmission and a first spring, and one end of the key handle is connected to the transmission.