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: 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: 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: 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.

Abstract: An ultrasonic electronic cigarette atomizer are disclosed. The atomizer includes an ultrasonic atomization sheet (1), an atomization cotton (3), a liquid chamber (2), an air inlet tube (6), an air outlet channel (7), and a suction nozzle (8). The atomization cotton (3) is communicated with the liquid chamber (2) and is in contact with an atomization surface of the ultrasonic atomization sheet (1). An inlet of the air inlet tube (6) is communicated with the outside. The air inlet tube (6), an atomization region of the ultrasonic atomization sheet (1), the air outlet channel (7), and the suction nozzle (8) are communicated in sequence. An outlet of the air inlet tube (6) is opposite to the atomization region of the ultrasonic atomization sheet (1).

Abstract: An ultrasonic electronic cigarette atomizer and electronic cigarette are disclosed. The atomizer includes an e-liquid storage assembly and an atomization core detachably connected to the e-liquid storage assembly. The atomization core includes an ultrasonic atomization sheet. The e-liquid storage assembly includes an e-liquid chamber and an e-liquid outlet for communicating an atomization surface of the ultrasonic atomization sheet with the e-liquid chamber. The e-liquid storage assembly further includes a moving assembly that can move in the direction of assembling/disassembling the atomization core to open/close the e-liquid outlet. When the atomization core is connected with the e-liquid storage assembly, the atomization core drives the moving assembly to move and open the e-liquid outlet. When the atomization core is disconnected from the e-liquid storage assembly, the moving assembly is reset and closes the e-liquid outlet.

Abstract: A circuit for an ultrasonic electronic cigarette and the ultrasonic electronic cigarette are disclosed. The ultrasonic electronic cigarette includes an ultrasonic atomization sheet, a control circuit, a first drive oscillation circuit, a second drive oscillation circuit, and a power circuit. The control circuit is electrically connected to a first end of the ultrasonic atomization sheet through the first drive oscillation circuit, and the control circuit is electrically connected to a second end of the ultrasonic atomization sheet through the second drive oscillation circuit. The circuit for the ultrasonic electronic cigarette further includes a detection circuit. An output end of the detection circuit is electrically connected to the control circuit. And a detection end of the detection circuit is connected between the ultrasonic atomization sheet and the first drive oscillation circuit, or between the ultrasonic atomization sheet and the second drive oscillation circuit.

Abstract: An ultrasonic electronic cigarette atomizer is disclosed, comprising including an atomization core, an atomizer housing, and a liquid bin. When liquid is filled into the liquid bin, the liquid passing hole is closed and the air outlet channel is closed, to avoid leakage or immersion of liquid, the atomizer is clean and sanitary, waste is avoided, and cost is saved. The whole operation is very simple, the atomization core is convenient to replace, hands are not stained with liquid, and the liquid is convenient to fill. The cigarette liquid is unlikely to flow out through the liquid filling hole, and large granular cigarette liquid generated in atomization can be recycled.

Abstract: The present invention discloses an oscillation control circuit for an ultrasonic atomization sheet, and an ultrasonic electronic cigarette. The oscillation control circuit includes a DC boost module, a separately excited excitation module, and a microcontroller. A power module is connected to the ultrasonic atomization sheet through the DC boost module and the separately excited excitation module, and the separately excited excitation module is electrically connected to the microcontroller.