Ultrasonic atomizer and electronic cigarette
An electronic vaping set, and in particular, an ultrasonic atomizer and an electronic cigarette are disclosed. An embodiment of the ultrasonic atomizer comprises an atomization cavity with an air inlet and a vapor outlet, wherein an ultrasonic atomization piece and various elements of the embodiment are arranged such that an inclined upward airflow channel from the air inlet to the vapor outlet is formed above the ultrasonic atomization piece. Embodiments of the present invention can reduce E-liquid droplets in vapor, thereby preventing the E-liquid droplets from being inhaled by a user, and improving the user experience.
1 . An ultrasonic atomizer, comprising a plug, wherein
an atomization cavity with an air inlet and a smoke outlet is formed in a middle part of the plug,
an ultrasonic atomization piece is installed at a bottom of the atomization cavity, a top surface of the atomization cavity faces an atomization region of the ultrasonic atomization piece and is inclined at an angle of 20°-75° relative to the ultrasonic atomization piece, thus comprising a first inclined surface comprising a single element including the top surface of the atomization cavity, the air inlet is arranged at a bottom end of the first inclined surface, the smoke outlet is arranged at a top end of the first inclined surface, the air inlet and the smoke outlet are arranged on two opposite sides of a center of the atomization region of the ultrasonic atomization piece respectively, and a bottom surface of the smoke outlet is higher than a top surface of the air inlet, and the first inclined surface, the bottom surface of the smoke outlet, and the top surface of the air inlet are located approximately in a single plane, so that a single inclined upward airflow channel is formed inside the atomization cavity above the ultrasonic atomization piece and inclined upwardly along the first inclined surface from the air inlet to the smoke outlet such that intake air flows along the first inclined surface to the smoke outlet.
2 . The ultrasonic atomizer according to claim 1 , wherein an e-liquid guide ceramic is placed above the atomization region of the ultrasonic atomization piece, an air passage is provided in a middle part of the e-liquid guide ceramic, and the air passage is arranged corresponding to the center of the atomization region of the ultrasonic atomization piece.
3 . The ultrasonic atomizer according to claim 2 , wherein a top surface of the air passage is configured as a second inclined surface, and the first inclined surface and the second inclined surface are located on the same inclined surface.
4 . The ultrasonic atomizer according to claim 2 , wherein the e-liquid guide ceramic is n-shaped as a whole, an n-shaped e-liquid guide groove is provided inside the e-liquid guide ceramic, and a top end of the e-liquid guide groove is communicated with an e-liquid cartridge.
5 . The ultrasonic atomizer according to claim 2 , wherein a recovery groove for recovering e-liquid is provided on a top surface of the air passage.
6 . The ultrasonic atomizer according to claim 4 , wherein a bottom surface of the e-liquid guide ceramic presses an e-liquid reservoir against the atomization region of the ultrasonic atomization piece.
7 . The ultrasonic atomizer according to claim 2 , wherein the e-liquid guide ceramic is installed at a distance from the ultrasonic atomization piece, an n-shaped e-liquid guide groove is provided inside the e-liquid guide ceramic, and a top end of the e-liquid guide groove is communicated with an e-liquid cartridge; a bottom of the e-liquid guide groove penetrates the bottom of the e-liquid guide ceramic, so that a lower segment of the e-liquid guide groove also serves as an e-liquid reservoir fixing groove; two ends of an e-liquid reservoir are inserted and fixed in the e-liquid reservoir fixing groove, and a middle part of the e-liquid reservoir is pressed against the atomization region of the ultrasonic atomization piece by a spring.
8 . The ultrasonic atomizer according to claim 7 , wherein the e-liquid reservoir is provided with fixed segments, transition segments, and a contact segment from two ends of the e-liquid reservoir to the middle of the e-liquid reservoir, the fixed segments are inserted and fixed in the e-liquid reservoir fixing groove, and the contact segment is pressed against the atomization region of the ultrasonic atomization piece by the spring and arranged just below the e-liquid guide ceramic.
9 . The ultrasonic atomizer according to claim 1 , further comprising a housing, wherein the housing and the plug which are clamped and engaged with each other, an e-liquid cartridge is arranged between the housing and the plug; an e-liquid passing groove, an e-liquid guide ceramic fixing groove, the atomization cavity, and an atomization core mounting groove are sequentially provided at the middle part of the plug from top to bottom; an air inlet groove communicated with the air inlet is provided on one side of the atomization core mounting groove, and an atomization core is mounted in the atomization core mounting groove.
10 . The ultrasonic atomizer according to claim 9 , wherein the atomization core comprises a conductive hollow atomization sleeve, and the ultrasonic atomization piece, an insulating seat, and a PCB are sequentially arranged in the inner cavity of the atomization sleeve from top to bottom.
11 . The ultrasonic atomizer according to claim 1 , wherein the opening size of the air inlet gradually increases.
12 . An electronic cigarette comprising the ultrasonic atomizer according to claim 1 .
13 . The electronic cigarette according to claim 12 , wherein an e-liquid guide ceramic is placed above the atomization region of the ultrasonic atomization piece, an air passage is provided in a middle part of the e-liquid guide ceramic, and the air passage is arranged corresponding to the center of the atomization region of the ultrasonic atomization piece.
14 . The electronic cigarette according to claim 13 , wherein a top surface of the air passage is configured as a second inclined surface, and the first inclined surface and the second inclined surface are located on the same inclined surface.
15 . The electronic cigarette according to claim 13 , wherein the e-liquid guide ceramic is n-shaped as a whole, an n-shaped e-liquid guide groove is provided inside the e-liquid guide ceramic, and a top end of the e-liquid guide groove is communicated with an e-liquid cartridge.
16 . The electronic cigarette according to claim 13 , wherein a recovery groove for recovering e-liquid is provided on a top surface of the air passage.
17 . The electronic cigarette according to claim 15 , wherein a bottom surface of the e-liquid guide ceramic presses an e-liquid reservoir against the atomization region of the ultrasonic atomization piece.
18 . The electronic cigarette according to claim 13 , wherein the e-liquid guide ceramic is installed at a distance from the ultrasonic atomization piece, an n-shaped e-liquid guide groove is provided inside the e-liquid guide ceramic, and a top end of the e-liquid guide groove is communicated with an e-liquid cartridge; a bottom of the e-liquid guide groove penetrates the bottom of the e-liquid guide ceramic, so that a lower segment of the e-liquid guide groove also serves as an e-liquid reservoir fixing groove, two ends of an e-liquid reservoir are inserted and fixed in the e-liquid reservoir fixing groove, and a middle part of the e-liquid reservoir is pressed against the atomization region of the ultrasonic atomization piece by a spring.
19 . The electronic cigarette according to claim 18 , wherein the e-liquid reservoir is provided with fixed segments, transition segments, and a contact segment from two ends of the e-liquid reservoir to the middle of the e-liquid reservoir, the fixed segments are inserted and fixed in the e-liquid reservoir fixing groove, and the contact segment is pressed against the atomization region of the ultrasonic atomization piece by the spring and arranged just below the e-liquid guide ceramic.
20 . The electronic cigarette according to claim 12 , wherein the opening size of the air inlet gradually increases.