Aerosol generating device and aerosol generating system

Abstract

An aerosol generating device includes a conductor assembly and a microwave assembly. The conductor assembly includes a first conductor and a second conductor that jointly form a resonant cavity. The resonant cavity includes at least a heating region, and the heating region is configured to heat an aerosol generating article. The microwave assembly is configured to feed a microwave into the resonant cavity to generate an aerosol.

What is claimed is: 
     
         1 . An aerosol generating device comprising:
 a conductor assembly including a first conductor and a second conductor, the first conductor and the second conductor being detachably combined;   a resonant cavity, formed by the first conductor and the second conductor, including a heating region to heat an aerosol generating article; and   a microwave assembly feeding a microwave into the resonant cavity to generate an aerosol.   
     
     
         2 . The aerosol generating device of  claim 1 , wherein
 the first conductor comprises a first end and a second end,   the first conductor is provided with an accommodating cavity,   the first end is provided with an opening communicating with the accommodating cavity and outside of the aerosol generating device,   the second conductor comprises a first end and a second end, the first end of the second conductor is detachably mounted at the opening, the second end of the second conductor extends into the accommodating cavity and is spaced apart from the second end of the first conductor, and   the heating region is formed at the spacing.   
     
     
         3 . The aerosol generating device of  claim 2 , wherein the first conductor and the second conductor are coaxially arranged, to form the coaxial resonant cavity. 
     
     
         4 . The aerosol generating device of  claim 3 , wherein the second conductor comprises:
 a cover body being configured to connect to the opening, wherein the cover body comprises a first side and a second side, the second side of the cover body is closer to the accommodating cavity than the first side of the cover body, the cover body is provided with a first through hole and a second through hole that go through the first side and the second side of the cover body, and the second through hole is spaced apart from the first through hole; and   an inner conductor, wherein the inner conductor is arranged on the second side of the cover body and at least partially extends into the accommodating cavity, the inner conductor comprises a first end and a second end that are opposite to each other, the first end of the inner conductor is closer to the cover body than the second end of the inner conductor, the inner conductor is provided with a channel that go through the first end and the second end of the inner conductor, and the channel is in communication with the first through hole.   
     
     
         5 . The aerosol generating device of  claim 4  wherein a run-through via is provided on a peripheral wall of the inner conductor, and the via is in communication with the channel. 
     
     
         6 . The aerosol generating device of  claim 4 , wherein the second conductor further comprises:
 a suction nozzle, wherein the suction nozzle is arranged on the first side of the cover body, the suction nozzle is provided with an inhalation hole running through two opposite ends of the suction nozzle, the inhalation hole is in communication with the first through hole;   the inhalation hole, the first through hole, and the channel jointly form a first airway passage; and   the second through hole forms a second airway passage communicating with the accommodating cavity and external air.   
     
     
         7 . The aerosol generating device of  claim 4 , wherein the second conductor further comprises:
 a suction nozzle, wherein the suction nozzle is arranged on the first side of the cover body,   an air inlet hole is provided on a side wall of the suction nozzle, the air inlet hole is in communication with the first through hole to form a first airway passage,   the suction nozzle is further provided with an inhalation hole and a converging hole that are connected to each other, the inhalation hole runs through one end of the suction nozzle away from the cover body, two opposite ends of the converging hole are respectively in communication with the inhalation hole and the second through hole, the inhalation hole is in communication with the second through hole to form a second airway passage, a blocking portion is arranged between the inhalation hole and the first through hole, and the converging hole surrounds the blocking portion.   
     
     
         8 . The aerosol generating device of  claim 2 , wherein the microwave assembly comprises:
 a microwave feed member, wherein the first conductor is provided with a feed hole, the feed hole is in communication with the resonant cavity and is configured to allow the microwave feed member to pass through the resonant cavity, and the microwave feed member is configured to feed a microwave into the resonant cavity;   a microwave transmitting source, configured to generate a microwave; and   a microwave transmission member are connected to the microwave transmitting source and the microwave feed member, and the microwave transmission member is configured to transmit the microwave transmitted by the microwave transmitting source to the microwave feed member.   
     
     
         9 . The aerosol generating device of  claim 2 , wherein the accommodating cavity comprises a plurality of sub-cavities, cross sections of at least two of the plurality of sub-cavities are different, and a side wall of at least one of the plurality of sub-cavities is in contact with a side wall of the aerosol generating article, to limit a position of the aerosol generating article in the accommodating cavity. 
     
     
         10 . The aerosol generating device of  claim 2 , wherein
 a limiting member is arranged in the accommodating cavity, the limiting member is connected to the first conductor, and   the limiting member is configured to limit a position of the aerosol generating article in the accommodating cavity, for a side wall of the accommodating cavity and the aerosol generating article to be spaced apart from each other.   
     
     
         11 . The aerosol generating device of  claim 10 , wherein the limiting member is made of a microwave low-loss medium material, and the limiting member is filled in at least a part of a spacing between the first conductor and the aerosol generating article. 
     
     
         12 . The aerosol generating device of  claim 2 , wherein a blocking member is arranged in the accommodating cavity, the blocking member is made of a microwave low-loss medium material, the blocking member is arranged on the first end of the first conductor, the blocking member is provided with a through hole, and the through hole surrounds the aerosol generating article. 
     
     
         13 . An aerosol generating system comprising:
 an aerosol generating device comprising,
 a conductor assembly including a first conductor and a second conductor, the first conductor and the second conductor being detachably combined, 
 a resonant cavity, formed by the first conductor and the second conductor, including a heating region to heat an aerosol generating article, and 
 a microwave assembly feeding a microwave into the resonant cavity to generate an aerosol; 
   and   wherein the aerosol generating article is loaded in the resonant cavity, and the second conductor at least partially extends into the aerosol generating article.   
     
     
         14 . The aerosol generating system of  claim 13 , wherein the aerosol generating article comprises:
 a loading member is detachably loaded in the resonant cavity, and one end of the second conductor extends into the loading member; and   an aerosol generating substance is loaded in the loading member, and the aerosol generating substance is located in the heating region.   
     
     
         15 . The aerosol generating system of  claim 14 , wherein the loading member is made of a microwave low-loss material. 
     
     
         16 . The aerosol generating system of  claim 13 , wherein a microwave high-loss material is arranged in the aerosol generating substance. 
     
     
         17 . The aerosol generating system of  claim 13 , wherein a porous ceramic material is arranged in the aerosol generating substance. 
     
     
         18 . The aerosol generating system of  claim 13 , wherein
 the first conductor comprises a first end and a second end,   the first conductor is provided with an accommodating cavity,   the first end is provided with an opening communicating with the accommodating cavity and outside of the aerosol generating device,   the second conductor comprises a first end and a second end, the first end of the second conductor is detachably mounted at the opening, the second end of the second conductor extends into the accommodating cavity and is spaced apart from the second end of the first conductor, and the heating region is formed at the spacing.   
     
     
         19 . The aerosol generating system of  claim 18 , wherein the first conductor and the second conductor are coaxially arranged, to form the coaxial resonant cavity.