Direct-feeding liquid-passing heat-generating atomization device, atomization assembly, and electronic atomization apparatus

Abstract

A direct-feeding liquid-passing heat-generating atomization device includes a ceramic body and the heating member. An atomization surface is arranged on an outside wall of the ceramic body, and the heating member is arranged on the atomization surface. The atomization surface is arranged to surround and define, in combination with an internal wall of a central tube, a gas passage channel. The ceramic body includes a ceramic liquid-absorption core and at least one structure supporting portion. The structure supporting portion is fixed to the ceramic liquid-absorption core. The atomization surface is arranged on the ceramic liquid-absorption core. Further, the structure supporting portion is formed with a liquid passage channel. One end of the liquid passage channel is in communication with the external liquid, and another end of the liquid passage channel is in communication with the ceramic liquid-absorption core.

What is claimed is: 
     
         1 . An direct-feeding liquid-passing heat-generating atomization device, comprising a ceramic body and a heating member, wherein an atomization surface is arranged on an outside wall of the ceramic body, and the heating member is arranged on the atomization surface, the atomization surface defining, in combination with an internal wall of a central tube, a gas passage channel, the ceramic body comprising a ceramic liquid-absorption core and at least one structure supporting portion, the structure supporting portion being fixed to the ceramic liquid-absorption core, the atomization surface being arranged on the ceramic liquid-absorption core; and
 the structure supporting portion is formed with a liquid passage channel, one end of the liquid passage channel being in communication with external liquid, another end of the liquid passage channel being in communication with the ceramic liquid-absorption core.   
     
     
         2 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 1 , wherein the ceramic liquid-absorption core is formed with a liquid storage channel, and the liquid storage channel is in communication with the liquid passage channel. 
     
     
         3 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 2 , wherein the at least one structure supporting portion comprises two structure supporting portions, and the liquid storage channels of the two structure supporting portion are both in communication with the liquid passage channel. 
     
     
         4 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 3 , wherein the two structure supporting portions are respectively arranged on two opposite sides of the ceramic liquid-absorption core, and two ends of the liquid passage channel are respectively in communication with ends of the liquid storage channels of the two structure supporting portions. 
     
     
         5 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 1 , wherein the liquid passage channel comprises at least one blind hole structure formed in the ceramic body, and the at least one blind hole structure is located on the structure supporting portion. 
     
     
         6 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 5 , wherein the number of the at least one blind hole structure is plural, and the plural blind hole structures are arrayed, at intervals, on the structure supporting portion. 
     
     
         7 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 1 , wherein the liquid passage channel comprises at least one through hole structure formed in the ceramic body, and the at least one through hole structure is located on the structure supporting portion. 
     
     
         8 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 7 , wherein the number of the at least one through hole structure is plural, and the plural through hole structures are arrayed, at intervals, on the structure supporting portion. 
     
     
         9 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 1 , wherein the liquid passage channel comprises at least one blind hole structure and at least one through hole structure both of which are formed in the ceramic body, and the at least one blind hole structure and the at least one through hole structure are arranged, at intervals, on the structure supporting portion. 
     
     
         10 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 9 , wherein the number of the at least one blind hole structure and the number of the at least one through hole structure are both plural, and the plural blind hole structures and the plural through hole structures are arranged, at intervals, on the structure supporting portion. 
     
     
         11 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 1 , wherein the heating member comprises a heat generation plate and lead pins, and the heat generation plate and the lead pins are both arranged at site of the atomization surface and are both connected to the outside wall of the ceramic body. 
     
     
         12 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 11 , wherein the ceramic body has two opposite outside walls each of which comprises said atomization surface formed thereon; and
 the heat generation plate comprises a first heating plate, a transition portion, and a second heating plate, wherein the first heating plate is connected through the transition portion to the second heating plate, and the transition portion is connected to the ceramic liquid-absorption core, and the first heating plate and the second heating plate are respectively arranged on the two said atomization surfaces of the ceramic body.   
     
     
         13 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 12 , wherein the transition portion comprises a first positioning part, a connecting part, and a second positioning part, the first positioning part being connected through the connecting part to the second positioning part, the connecting part being connected to an end portion of the ceramic liquid-absorption core, the first positioning part being connected to the first heating plate, the first positioning part being arranged on one of the atomization surfaces, the second positioning part being connected to the second heating plate, the second positioning part being arranged on another one of the atomization surfaces. 
     
     
         14 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 13 , wherein the connecting part is embedded in the ceramic liquid-absorption core, and the connecting part is formed with a liquid penetration hole so as to establish communication with an interior of the ceramic liquid-absorption core. 
     
     
         15 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 12 , wherein the heating member further comprises at least one reinforcing member, the reinforcing member being connected to the first heating plate and/or the second heating plate, the reinforcing member being arranged to have a connecting part between the first heating plate and the reinforcing member bent and inserted into the ceramic liquid-absorption core; and/or, the reinforcing member being arranged to have a connecting part between the second heating plate and the reinforcing member bent and inserted into the ceramic liquid-absorption core. 
     
     
         16 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 15 , wherein the first heating plate comprises a soldering part and a wave-shaped heating filament part, the soldering part being connected to the wave-shaped heating filament part, the soldering part being connected to the lead pins, the reinforcing member being arranged to connect to a ridge and/or a trough of the wave-shaped heating filament part, the reinforcing member being also arranged to have a connecting part between the wave-shaped heating filament part and the reinforcing member bent and inserted into the structure supporting portion and/or the ceramic liquid-absorption core. 
     
     
         17 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 16 , wherein one end of the soldering part that is adjacent to the lead pins is in alignment with one end of the ceramic liquid-absorption core that is adjacent to the lead pins. 
     
     
         18 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 11 , wherein the lead pins are arranged on one side of the heat generation plate that is adjacent to the ceramic liquid-absorption core. 
     
     
         19 . The direct-feeding liquid-passing heat-generating atomization device according to  claim 1 , wherein the ceramic body further comprises a retaining engagement protrusion, and the retaining engagement protrusion is connected to one end of the ceramic liquid-absorption core and/or one end of the structure supporting portion. 
     
     
         20 . An atomization assembly, comprising an atomization base, a central tube, and the direct-feeding liquid-passing heat-generating atomization device according to  claim 1 , wherein the atomization base is connected to the ceramic liquid-absorption core and/or the structure supporting portion, and the atomization base is connected to the central tube, and the central tube is formed with the liquid passage hole, and the structure supporting portion is arranged at site of the liquid passage hole and is connected to the central tube, and the atomization surface of the ceramic liquid-absorption core encloses, in combination with an internal wall of the central tube, and defines the gas passage channel, one end of the liquid passage channel being in communication with the liquid passage hole. 
     
     
         21 . The atomization assembly according to  claim 20 , wherein the atomization assembly further comprises a sealing cotton body, the sealing cotton body being at least partly connected to an external wall of the ceramic liquid-absorption core and the internal wall of the central tube and is located at site of the liquid passage hole, and the sealing cotton body is formed with an atomization hollow zone at the gas passage channel, the atomization hollow zone allowing the atomization surface to be in direct communication with the gas passage channel. 
     
     
         22 . The atomization assembly according to  claim 21 , wherein the sealing cotton body comprises an end-part attaching cotton and a petal-like enclosing cotton, the end-part attaching cotton being attached to an end of the ceramic liquid-absorption core and/or the structure supporting portion, and the end-part attaching cotton is arranged to face toward a gas exit channel of the central tube, and one end of the petal-like enclosing cotton being connected to the end-part attaching cotton, and the petal-like enclosing cotton being connected to the external wall of the structure supporting portion and the internal wall of the central tube, and the petal-like enclosing cotton covers the liquid passage hole, and the petal-like enclosing cotton is formed with the atomization hollow zone on the atomization surface. 
     
     
         23 . The atomization assembly according to  claim 21 , wherein the sealing cotton body is further formed with a through aperture, and the through aperture is in alignment with the liquid passage hole. 
     
     
         24 . An electronic atomization apparatus, comprising a liquid cup and the atomization assembly according to  claim 20 , wherein the liquid cup is formed with a liquid chamber, and the liquid cup is connected to the structure supporting portion, and the liquid passage channel is in communication with the liquid chamber, and the liquid cup is connected to the atomization base.