Aerosol generating device

Abstract

An aerosol generating device is provided, and includes a housing including a first air port at a bottom end thereof; and a sealing base disposed to fit an inner wall of a bottom end of the housing. A side of the sealing base which faces toward the bottom end of the housing is provided with a breath-detector pressure relief hole and an air guide groove. The breath-detector pressure relief hole is adjacent to the air guide groove and communicates with the air guide groove, and the air guide groove communicates with the first air port.

What is claimed is: 
     
         1 . An aerosol generating device comprising:
 a housing comprising a first air port at a bottom end thereof; and   a sealing base fitted to an inner wall of the bottom end of the housing, wherein a side of the sealing base which faces toward the bottom end of the housing is provided with a breath-detector pressure relief hole and an air guide groove, the breath-detector pressure relief hole is adjacent to the air guide groove and communicates with the air guide groove, and the air guide groove communicates with the first air port.   
     
     
         2 . The aerosol generating device according to  claim 1 , wherein the sealing base is provided with a first negative pressure groove between the breath-detector pressure relief hole and the air guide groove, and two ends of the first negative pressure groove communicate with the breath-detector pressure relief hole and the air guide groove, respectively. 
     
     
         3 . The aerosol generating device according to  claim 2 , wherein the first negative pressure groove comprises a first groove section and a second groove section, the first groove section and the second groove section are in communication with the air guide groove and the breath-detector pressure relief hole, respectively, and the first groove section is connected to the second groove section. 
     
     
         4 . The aerosol generating device according to  claim 2 , further comprising a universal serial bus interface inserted through the sealing base and exposed below the first air port, and the air guide groove is provided around an periphery of the universal serial bus interface. 
     
     
         5 . The aerosol generating device according to  claim 2 , wherein a distance between two opposite side walls of the first negative pressure groove is in a range of 0.2 mm to 0.9 mm. 
     
     
         6 . The aerosol generating device according to  claim 2 , wherein the first negative pressure groove has one of a strip shape, an L shape, an S shape, a U shape, and an irregular shape. 
     
     
         7 . The aerosol generating device according to  claim 1 , wherein the sealing base is further provided with a main air inlet, the bottom end of the housing is further provided with a second air port, and the main air inlet communicates with the second air port and the air guide groove. 
     
     
         8 . The aerosol generating device according to  claim 7 , wherein the sealing base is provided with a first pressure relief groove between the main air inlet and the air guide groove, and two ends of the first pressure relief groove communicate with the main air inlet and the air guide groove, respectively. 
     
     
         9 . The aerosol generating device according to  claim 8 , wherein an air intake area of the first pressure relief groove is in a range of 0.15 mm 2  to 0.2 mm 2 . 
     
     
         10 . The aerosol generating device according to  claim 8 , wherein each of the air guide groove and the first pressure relief groove is recessed in a direction away from the bottom end of the housing. 
     
     
         11 . The aerosol generating device according to  claim 7 , wherein a convex platform is provided protrudingly on the side of the sealing base which faces toward the bottom end of the housing, the convex platform is higher than an edge of the sealing base and abuts against the bottom end of the housing, and the main air inlet, the air guide groove, and the breath-detector pressure relief hole are provided on the convex platform. 
     
     
         12 . The aerosol generating device according to  claim 11 , wherein the convex platform is at a center of the side of the sealing base. 
     
     
         13 . The aerosol generating device according to  claim 1 , wherein the air guide groove is an annular air guide groove. 
     
     
         14 . The aerosol generating device according to  claim 1 , further comprising an inner support disposed inside the housing,
 wherein the side of the sealing base is fitted to the inner wall of the bottom end of the housing, and an other side of the sealing base which is away from the bottom end of the housing is mounted on the inner support.   
     
     
         15 . The aerosol generating device according to  claim 14 , wherein the sealing base is provided at an lowermost end of the housing, and the sealing base has a shape matching an internal shape of the lowermost end of the housing. 
     
     
         16 . The aerosol generating device according to  claim 15 , wherein the sealing base is made of sealing material. 
     
     
         17 . The aerosol generating device according to  claim 1 , wherein the air guide groove is disposed beneath the first air port and exposed in the first air port. 
     
     
         18 . The aerosol generating device according to  claim 1 , wherein the air guide groove and the first air port are staggered in a vertical direction. 
     
     
         19 . The aerosol generating device according to  claim 18 , wherein the air guide groove and the first air port are totally staggered. 
     
     
         20 . The aerosol generating device according to  claim 1 , wherein the breath-detector pressure relief hole is blocked by the inner wall of the bottom end of the housing in an axial direction of the breath-detector pressure relief hole.