Atomizing assembly, atomizing device and aerosol generating device

Abstract

An atomizing device and an aerosol generating device are provided. The atomizing device includes a main body, a reservoir and an atomizing assembly. The atomizing assembly includes a support element provided with a hollow channel that extends though the support element, a side peripheral wall of the hollow channel being provided with a feeding hole configured to transfer an atomizing medium, and an atomizing element provided in the hollow channel and covering the feeding hole, an outer peripheral surface of the atomizing element and an inner peripheral surface of the hollow channel cooperatively enclosing an air passage, the atomizing element being in contact with the atomizing medium through the feeding hole to transfer the atomizing medium to the atomizing element.

What is claimed is: 
     
         1 . An atomizing assembly, comprising:
 a support element provided with a hollow channel that extends though the support element, a side peripheral wall of the hollow channel being provided with a feeding hole configured to transfer an atomizing medium; and   an atomizing element provided in the hollow channel and covering the feeding hole, an outer peripheral surface of the atomizing element and an inner peripheral surface of the hollow channel cooperatively enclosing an air passage, the atomizing element being in contact with the atomizing medium through the feeding hole to transfer the atomizing medium to the atomizing element.   
     
     
         2 . The atomizing assembly according to  claim 1 , wherein the atomizing element is made of a porous material with a first porosity, the support element is made of a non-porous material or a porous material with a second porosity, the second porosity is lower than the first porosity. 
     
     
         3 . The atomizing assembly according to  claim 1 , wherein the atomizing element is integrally sintered with the support element. 
     
     
         4 . The atomizing assembly according to  claim 1 , wherein the support element is configured to inhibit the atomizing medium from being transferred from an outer wall surface of the support element to the inner peripheral surface of the hollow channel. 
     
     
         5 . The atomizing assembly according to  claim 1 , wherein the support element is configured to inhibit the atomizing medium from being transferred from an inside of the support element to the inner peripheral surface of the hollow channel. 
     
     
         6 . The atomizing assembly according to  claim 1 , wherein a side of the atomizing element facing the feeding hole is further provided with a guiding portion, and the guiding portion is embedded in the feeding hole and is in contact with the atomizing medium and is configured to transfer the atomizing medium to the atomizing element. 
     
     
         7 . The atomizing assembly according to  claim 6 , wherein the guiding portion and the atomizing element are both made of porous materials, and a porosity of the guiding portion is higher than a porosity of the atomizing element. 
     
     
         8 . The atomizing assembly according to  claim 1 , wherein the atomizing element is provided with an atomizing cavity that extends through the atomizing element, the atomizing cavity is parallel to the air passage, and the atomizing element separates the atomizing cavity from the air passage. 
     
     
         9 . The atomizing assembly according to  claim 8 , further comprising a heating element, wherein the heating element is embedded in the atomizing element and located between the air passage and the atomizing cavity. 
     
     
         10 . The atomizing assembly according to  claim 8 , further comprising a heating element, at least part of the heating element is exposed in the air passage or the atomizing cavity. 
     
     
         11 . The atomizing assembly according to  claim 1 , further comprising an atomizing sleeve sleeved on an outer peripheral surface of the support element, wherein a side peripheral wall of the atomizing sleeve is provided with a through hole in communication with the feeding hole, the atomizing medium enters the feeding hole through the through hole to be in contact with the atomizing element. 
     
     
         12 . The atomizing assembly according to  claim 11 , wherein a side of the atomizing element facing the feeding hole is further provided with a guiding portion, the guiding portion extends through the feeding hole, and at least a part of the guiding portion extends into the through hole, the guiding portion is in contact with the atomizing medium and is configured to transfer the atomizing medium to the atomizing element. 
     
     
         13 . The atomizing assembly according to  claim 12 , wherein a side of the guiding portion away from the atomizing element is coplanar with an outer peripheral surface of the atomizing sleeve. 
     
     
         14 . The atomizing assembly according to  claim 12 , wherein an end of the guiding portion away from the atomizing element protrudes out of an outer peripheral surface of the atomizing sleeve. 
     
     
         15 . The atomizing assembly according to  claim 1 , wherein the support element is tubular-shaped, the hollow channel extends through the support element in an axial direction thereof, and the air passage extends along the axial direction of the support element. 
     
     
         16 . The atomizing assembly according to  claim 1 , wherein the atomizing element is provided with an atomizing cavity extending though the atomizing element, the atomizing cavity extends along the axial direction of the support element. 
     
     
         17 . The atomizing assembly according to  claim 1 , wherein the inner peripheral surface of the hollow channel is provided with a barrier layer configured to inhibit a transferring of the atomizing medium. 
     
     
         18 . An atomizing device comprising a main body, a reservoir, and the atomizing assembly according to  claim 1 , wherein the reservoir is provided in the main body and is configured to store the atomizing medium and transfer the atomizing medium to the atomizing element through the feeding hole. 
     
     
         19 . The atomizing device according to  claim 18 , further comprising a sensing element provided in the main body, wherein the main body is provided with an air inlet and an air outlet, one end of the air passage is in communication with the air inlet, the other end of the air passage is in communication with the air outlet, the sensing element is configured to detect an airflow change of an airflow path between the air inlet and the air outlet. 
     
     
         20 . An aerosol generating device comprising the atomizing device according to  claim 18 , and a power supply device electrically connected to the atomizing device.