Abstract: A cooling cigarette filter and a smoking product are provided. The cooling cigarette filter comprises a cooling section. The cooling section is provided with one or more channels connecting two ends of the cooling section, and an inner surface of each channel is coated with a cooling material. The cooling material comprises an inorganic phase change material and PEG, and the inorganic phase change material comprises at least one of Na2CO3.10H2O, CH3COONa.3H2O, CaCl2.4H2O, and Na2SO4.10H2O. The cooling cigarette filter has the advantages of ensuring the amount of smoke and lowering the temperature of the smoke entering the mouth, especially in the cooling section. Through the combination design of the structure of the cooling stick and the type and amount of the cooling material, the smoke can flow out of a smoke generation section rapidly and smoothly.

Abstract: An atomizing sheet assembly, an atomizer, and an electronic cigarette are disclosed. The atomizing sheet assembly comprises an e-liquid guide member, an atomizing sheet, and an atomizing seat. The atomizing sheet is fixed on the atomizing seat. The e-liquid guide member is in contact with an atomizing surface of the atomizing sheet. The atomizing seat is made of an elastic material. The e-liquid guide member is flaky. The atomizing seat is provided with a through hole. The flaky e-liquid guide member passes through the through hole and is in contact with the atomizing sheet. The atomizing sheet assembly can effectively adjust the e-liquid guide rate.

Abstract: A cotton-free ultrasonic atomizer and electronic cigarette, comprising a tobacco tar cup, an air inlet passage, a tobacco tar smoke outlet passage and an atomization component; the atomization component includes a first atomization piece and a second atomization piece; an atomization cavity is formed between the first atomization piece and the second atomization piece, and an ejection end of the first atomization piece aligns to an atomization surface of the second atomization piece; the first atomization piece communicates with a tobacco tar outlet of the tobacco tar cup, the air inlet passage communicates with the atomization cavity, and the atomization cavity communicates with the tobacco tar smoke outlet passage.

Abstract: A disposable cigarette cartridge, atomizer and electronic cigarette, wherein the disposable cigarette cartridge comprises a hollow shell, a tobacco tar storage device located in the shell, a suction nozzle connected with the upper end of the shell, a tobacco tar guide seat connected with the lower end of the shell, and a tobacco tar guide body installed on the tobacco tar guide seat; the tobacco tar guide body extends into the tobacco tar storage device; and an air passage is arranged in the shell, one end of the air passage is communicated with the suction nozzle, and the other end of the air passage is communicated with a heating surface of the tobacco tar guide body.

Abstract: An ultrasonic atomization sheet (1) and atomizer and an ultrasonic electronic cigarette are disclosed. The ultrasonic atomization sheet (1) comprises a flaky piezoelectric substrate (101), a surface electrode (102) attached to one surface of the piezoelectric substrate (101), and a drive electrode (103) attached to the other surface of the piezoelectric substrate (101). The piezoelectric substrate (101) is elongated. The piezoelectric substrate (101) is composed of an oscillating section (106) and a fixed section (107) connected to each other. The surface electrode (102) is fixed on one surface of the oscillating section (106), and the drive electrode (103) is fixed on the other surface of the oscillating section (106). The surface electrode (102) and the drive electrode (103) are both rectangular or circular.

Abstract: Disclosed are an ultrasonic electronic cigarette atomization core and atomizer, the electronic cigarette atomization core including an atomization core fixing sleeve. A first atomization sheet, a first tobacco tar guide component and a bracket are arranged in the atomization core fixing sleeve. The ultrasonic electronic cigarette atomization core not only can atomize two kinds of tobacco tar at the same time, but also can atomize the solid tobacco product, and the amount of smoke is large, therefore the demands of smokers for different tastes, in particular the demands for the taste of true cigarette, can be satisfied.

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 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: 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: 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.