Electronic cigarette atomiser and electronic cigarette

Abstract

An atomizer for electronic cigarette and an electronic cigarette, the atomizer for electronic cigarette comprising an outer shell and an end cover; a liquid storage cavity and an atomizing assembly are arranged inside the outer shell; the atomizing assembly comprises a porous body and a heat generating body; the porous body comprises a first side part and a second side part arranged opposite to one another, and an atomizing surface extending from the first side part to the second side part, and the heat generating body being arranged on the atomizing surface; the atomizing surface and the end cover are spaced apart a certain distance and form an atomizing cavity, the atomizing cavity being in fluid communication with a smoke outlet channel by means of communication openings, and air inlets being disposed on the end cover or the outer shell.

1 . An atomizer for electronic cigarette, comprising an outer shell having an opening end, and an end cover arranged on the opening end, wherein the outer shell is internally provided with a liquid storage cavity configured for storing liquid and an atomizing assembly configured for atomizing the liquid; the atomizing assembly comprises a porous body configured for absorbing the liquid from the liquid storage cavity, and a heating body configured for heating and atomizing the liquid absorbed by the porous body to generate an aerosol; the porous body comprises a first side part and a second side part arranged opposite to each other and an atomizing surface extending from the first side part to the second side part, and the heating body is arranged on the atomizing surface, wherein the atomizing surface and the end cover are spaced apart a certain distance to form an atomizing cavity configured for accommodating the generated aerosol, the outer shell further defines therein a smoke outlet channel configured for outputting the aerosol in the atomizing cavity to the outside of the outer shell, the atomizing cavity is in fluid communication with the smoke outlet channel by means of a communication opening, and an air inlet in fluid communication with the atomizing cavity is defined on the end cover or the outer shell;
 the air inlet is arranged adjacent to the first side part along the direction of extension of the atomizing surface, and the communication opening is arranged adjacent to the second side part along the direction of extension of the atomizing surface, such that an airflow entering the atomizing cavity from the air inlet flows towards the communication opening along the direction of extension of the atomizing surface.   
     
     
         2 . The atomizer for electronic cigarette according to  claim 1 , wherein the air inlet is defined on the end cover, staggered with the atomizing surface. 
     
     
         3 . The atomizer for electronic cigarette according to  claim 2 , wherein the air inlet is defined deviating from a center of the end cover. 
     
     
         4 . The atomizer for electronic cigarette according to  claim 1 , wherein the atomizer comprises a proximal end and a distal end opposite to each other;
 the outer shell comprises a length direction extending from the proximal end to the distal end, a width direction perpendicular to the length direction, and a thickness direction perpendicular to both the length direction and the width direction; the outer shell has a greater size along the length direction than the width direction, and has a greater size along the width direction than the thickness direction.   
     
     
         5 . The atomizer for electronic cigarette according to  claim 4 , wherein the atomizing surface is arranged extending along one of the thickness direction or the width direction of the outer shell;
 there are at least two air inlets, which are arranged in parallel along the other one of the thickness direction or the width direction of the outer shell, or, the air inlet presents an elongated shape extending along the other one of the thickness direction or the width direction of the outer shell.   
     
     
         6 . The atomizer for electronic cigarette according to  claim 5 , wherein the heating body is arranged on the atomizing surface extending along the parallel-arrangement direction of the air inlets. 
     
     
         7 . The atomizer for electronic cigarette according to  claim 6 , wherein the at least two air inlets in parallel arrangement have a span greater than a length of extension of the heating body;
 or, a length of extension of the air inlet is greater than the length of extension of the heating body.   
     
     
         8 . The atomizer for electronic cigarette according to  claim 1 , wherein the outer shell is further internally provided with a sealing assembly configured for sealing the liquid storage cavity, accommodating and holding the atomizing assembly. 
     
     
         9 . The atomizer for electronic cigarette according to  claim 8 , wherein the communication opening is defined on the sealing assembly. 
     
     
         10 . The atomizer for electronic cigarette according to  claim 1 , wherein a side wall of the atomizing cavity close to the air inlet is provided with a shielding part, a projection of the shielding part on a section perpendicular to the direction of extension of the air inlet at least covers partial of the air inlet, so as to prevent a condensed liquid in the atomizing cavity flowing into the air inlet. 
     
     
         11 . The atomizer for electronic cigarette according to  claim 10 , wherein the atomizing cavity further defines therein a collection cavity configured for collecting a condensed liquid formed by aerosol condensation. 
     
     
         12 . The atomizer for electronic cigarette according to  claim 11 , wherein the shielding part comprises an liquid blocking slope, which is arranged on the side wall of the atomizing cavity obliquely, and the atomizing cavity further defines therein a liquid conveying channel configured for connecting the liquid blocking slope and the collection cavity. 
     
     
         13 . The atomizer for electronic cigarette according to  claim 12 , wherein the liquid blocking slope is arranged on the side wall of the atomizing cavity obliquely in a direction away from the air inlet. 
     
     
         14 . The atomizer for electronic cigarette according to  claim 10 , wherein the shielding part further comprises an air guide slope, which is configured for guiding an airflow entering from the air inlet to flow towards the atomizing surface. 
     
     
         15 . The atomizer for electronic cigarette according to  claim 14 , wherein the atomizing cavity is internally provided with a baffle, one end of the baffle close to the atomizing surface and the air guide slope are spaced apart to define an air inlet, and the air inlet faces the heating body. 
     
     
         16 . The atomizer for electronic cigarette according to  claim 15 , wherein the direction of extension of the heating body on the atomizing surface is parallel to the length direction of the air inlet. 
     
     
         17 . An electronic cigarette, comprising an atomizing device configured for atomizing liquid to generate an aerosol for inhalation, and a power device configured for supplying power to the atomizing device, wherein the atomizing device is the atomizer according to  claim 1 . 
     
     
         18 . The atomizer for electronic cigarette according to  claim 2 , wherein the atomizer comprises a proximal end and a distal end opposite to each other;
 the outer shell comprises a length direction extending from the proximal end to the distal end, a width direction perpendicular to the length direction, and a thickness direction perpendicular to both the length direction and the width direction; the outer shell has a greater size along the length direction than the width direction, and has a greater size along the width direction than the thickness direction.   
     
     
         19 . The atomizer for electronic cigarette according to  claim 2 , wherein the outer shell is further internally provided with a sealing assembly configured for sealing the liquid storage cavity, accommodating and holding the atomizing assembly. 
     
     
         20 . The atomizer for electronic cigarette according to  claim 2 , wherein a side wall of the atomizing cavity close to the air inlet is provided with a shielding part, a projection of the shielding part on a section perpendicular to the direction of extension of the air inlet at least covers partial of the air inlet, so as to prevent a condensed liquid in the atomizing cavity flowing into the air inlet.