Ultrasonic atomizer and electronic cigarette

Abstract

An ultrasonic atomizer and an electronic cigarette are disclosed. In an embodiment, the ultrasonic atomizer comprises a liquid storage assembly (1), a liquid guiding assembly (2) and an atomization assembly (3). A liquid compartment (13) is provided inside the liquid storage assembly (1). The atomization assembly (3) comprises an ultrasonic atomization sheet (33). The liquid guiding assembly (2) is a ceramic liquid guiding member (21). The ultrasonic atomization sheet (33) is vertically placed. An upper section of the ceramic liquid guiding member (21) is in communication with the liquid compartment (13). A lower section of the ceramic liquid guiding member (21) directly contacts at least one atomization surface of the ultrasonic atomization sheet (33). An atomization region (331) of the ultrasonic atomization sheet (33) is exposed under the ceramic liquid guiding member (21). These and other aspects of embodiments are disclosed herein.

1 . An ultrasonic atomizer, comprising a liquid storage assembly ( 1 ), a liquid guiding assembly ( 2 ) and an atomization assembly ( 3 ), a liquid bin ( 13 ) being provided inside the liquid storage assembly, and the atomization assembly comprising an ultrasonic atomization sheet ( 33 ), wherein the liquid guiding assembly is a ceramic liquid guiding member ( 21 ), the ultrasonic atomization sheet is placed vertically, an upper section of the ceramic liquid guiding member is communicated with the liquid bin, and a lower section of the ceramic liquid guiding member is in direct contact with at least one atomization surface of the ultrasonic atomization sheet; and an atomization region ( 331 ) of the ultrasonic atomization sheet is exposed under the ceramic liquid guiding member. 
     
     
         2 . The ultrasonic atomizer according to  claim 1 , wherein the liquid guiding assembly comprises at least two ceramic liquid guiding members, the ultrasonic atomization sheet has two atomization surfaces, and the two atomization surfaces at an upper part of the ultrasonic atomization sheet are respectively in contact with two ceramic liquid guiding members; and the atomization region is provided on each of the two atomization surfaces of the ultrasonic atomization sheet. 
     
     
         3 . The ultrasonic atomizer according to  claim 1 , wherein a slot ( 121 ) is provided at a bottom of the liquid storage assembly in a vertical penetrating manner, a protrusion ( 123 ) is provided in the slot, and the ceramic liquid guiding member is clamped and fixed in the slot by the protrusion. 
     
     
         4 . The ultrasonic atomizer according to  claim 1 , wherein two slots ( 121 ) are provided at a bottom of the liquid storage assembly in a vertical penetrating manner, a rib ( 122 ) is provided between upper parts of the two slots, the lower parts of the two slots are communicated, and a protrusion ( 123 ) is provided in each of the two slots; each of the two ceramic liquid guiding members is clamped and fixed in the corresponding slot by the corresponding protrusion and the rib, and a contact portion ( 22 ) for inserting the ultrasonic atomization sheet is provided between the lower sections of the two ceramic liquid guiding members. 
     
     
         5 . The ultrasonic atomizer according to  claim 1 , wherein a liquid storage cavity ( 211 ) communicated with the liquid bin is provided inside the upper section of the ceramic liquid guiding member. 
     
     
         6 . The ultrasonic atomizer according to  claim 1 , wherein the liquid storage assembly comprises a housing ( 11 ) and a plug ( 12 ), the atomization assembly comprises a sealing seat ( 32 ) and a base ( 31 ) that are sequentially arranged under the plug, the ceramic liquid guiding members are installed in the plug, an atomization cavity ( 4 ) is formed among the plug, the ceramic liquid guiding member and the sealing seat, the atomization surface at an upper part of the ultrasonic atomization sheet is in direct contact with the ceramic liquid guiding member, a lower part of the ultrasonic atomization sheet is placed in the sealing seat ( 32 ) and the base ( 31 ), and the atomization region of the ultrasonic atomization sheet is exposed in the atomization cavity. 
     
     
         7 . The ultrasonic atomizer according to  claim 4 , wherein an upper part of the ultrasonic atomization sheet extends into the contact portion and is in direct contact with the lower sections of the two ceramic liquid guiding members, and the atomization region of the ultrasonic atomization sheet is located below the contact portion. 
     
     
         8 . The ultrasonic atomizer according to  claim 6 , wherein an air outlet channel ( 14 ) connecting a suction nozzle ( 111 ) with the atomization cavity is provided in the liquid storage assembly, an air inlet channel ( 34 ) connecting outside air with the atomization cavity is provided in the atomization assembly, and the air inlet channel is communicated with the air outlet channel via the atomization cavity. 
     
     
         9 . An electronic cigarette, wherein comprising the ultrasonic atomizer according to  claim 1 . 
     
     
         10 . The electronic cigarette according to  claim 9 , wherein the liquid guiding assembly comprises at least two ceramic liquid guiding members, the ultrasonic atomization sheet has two atomization surfaces, and the two atomization surfaces at an upper part of the ultrasonic atomization sheet are respectively in contact with two ceramic liquid guiding members; and the atomization region is provided on each of the two atomization surfaces of the ultrasonic atomization sheet. 
     
     
         11 . The electronic cigarette according to  claim 9 , wherein a slot ( 121 ) is provided at a bottom of the liquid storage assembly in a vertical penetrating manner, a protrusion ( 123 ) is provided in the slot, and the ceramic liquid guiding member is clamped and fixed in the slot by the protrusion. 
     
     
         12 . The electronic cigarette according to  claim 9 , wherein two slots ( 121 ) are provided at a bottom of the liquid storage assembly in a vertical penetrating manner, a rib ( 122 ) is provided between upper parts of the two slots, the lower parts of the two slots are communicated, and a protrusion ( 123 ) is provided in each of the two slots; each of the two ceramic liquid guiding members is clamped and fixed in the corresponding slot by the corresponding protrusion and the rib, and a contact portion ( 22 ) for inserting the ultrasonic atomization sheet is provided between the lower sections of the two ceramic liquid guiding members. 
     
     
         13 . The electronic cigarette according to  claim 9 , wherein a liquid storage cavity ( 211 ) communicated with the liquid bin is provided inside the upper section of the ceramic liquid guiding member. 
     
     
         14 . The electronic cigarette according to  claim 9 , wherein the liquid storage assembly comprises a housing ( 11 ) and a plug ( 12 ), the atomization assembly comprises a sealing seat ( 32 ) and a base ( 31 ) that are sequentially arranged under the plug, the ceramic liquid guiding members are installed in the plug, an atomization cavity ( 4 ) is formed among the plug, the ceramic liquid guiding member and the sealing seat, the atomization surface at an upper part of the ultrasonic atomization sheet is in direct contact with the ceramic liquid guiding member, a lower part of the ultrasonic atomization sheet is placed in the sealing seat ( 32 ) and the base ( 31 ), and the atomization region of the ultrasonic atomization sheet is exposed in the atomization cavity. 
     
     
         15 . The electronic cigarette according to  claim 12 , wherein an upper part of the ultrasonic atomization sheet extends into the contact portion and is in direct contact with the lower sections of the two ceramic liquid guiding members, and the atomization region of the ultrasonic atomization sheet is located below the contact portion. 
     
     
         16 . The electronic cigarette according to  claim 14 , wherein an air outlet channel ( 14 ) connecting a suction nozzle ( 111 ) with the atomization cavity is provided in the liquid storage assembly, an air inlet channel ( 34 ) connecting outside air with the atomization cavity is provided in the atomization assembly, and the air inlet channel is communicated with the air outlet channel via the atomization cavity.