Atomization device, control method of atomization device, and hookah comprising atomization device

Abstract

An atomization device includes a heating atomization assembly. The heating atomization assembly includes: a shell including a first accommodation space; an accommodation cup disposed in the first accommodation space for accommodating an atomizing substance; and a heating assembly configured to heat the atomizing substance to form an aerosol. The heating assembly includes at least a first heating element and a second heating element. The first heating element is disposed on a first side of the accommodation cup for preheating and insulation of the accommodation cup, and the second heating element is disposed on a second side of the accommodation cup for heating external air entering the accommodation cup.

What is claimed is: 
     
         1 . An atomization device for atomizing an atomizing substance to form an aerosol, the atomization device comprising:
 a heating atomization assembly, comprising:   a shell, the shell comprising a first accommodation space;   an accommodation cup disposed in the first accommodation space for accommodating an atomizing substance; and   a heating assembly configured to heat the atomizing substance to form an aerosol, the heating assembly comprising at least a first heating element and a second heating element, the first heating element being disposed on a first side of the accommodation cup for preheating and insulation of the accommodation cup, and the second heating element being disposed on a second side of the accommodation cup for heating external air entering the accommodation cup.   
     
     
         2 . The atomization device of  claim 1 , wherein the accommodation cup comprises a cup body and a cup cover; the cup body comprises a bottom wall, a first side wall, and a lug boss; the bottom wall comprises an opening; the first side wall is connected to the bottom wall; the opening is disposed through the lug boss; the cup cover is disposed on the cup body; the cup cover and the cup body form a second accommodation space for accommodating the atomizing substance. 
     
     
         3 . The atomization device of  claim 2 , wherein heating temperatures of the first heating element and the second heating element are independently controllable; temperature sensors are respectively disposed on the first heating element and the second heating element to measure airflow temperatures around the first heating element and the second heating element. 
     
     
         4 . The atomization device of  claim 1 , wherein a heating temperature of the second heating element is controlled to be higher than that of the first heating element. 
     
     
         5 . The atomization device of  claim 4 , wherein the heating temperature of the first heating element is 100-300° C., and the heating temperature of the second heating element is 200-400° C. 
     
     
         6 . The atomization device of  claim 3 , wherein the shell comprises a top cover and a shell body connected to the top cover; the top cover comprises a top cover body with a first recess and a fixed plate fixedly connected to the top cover body; the second heating element is disposed on one side of the fixed plate facing the first recess. 
     
     
         7 . The atomization device of  claim 6 , wherein the top cover comprises at least one hole; and at least one hole is located near an edge of the top cover for air intaking. 
     
     
         8 . The atomization device of  claim 1 , further comprising a heating cup; wherein the first heating element is disposed on one side of the heating cup facing away from the first accommodation space, and the heating cup is configured to transfer the heat of the first heating element to the cup body of the accommodation cup. 
     
     
         9 . The atomization device of  claim 8 , wherein a protective cup is disposed between the heating cup and the cup body of the accommodation cup for preventing the atomizing substance in the second accommodation space from leaking into the heating cup. 
     
     
         10 . The atomization device of  claim 1 , wherein each of the first heating element and the second heating element comprises a plurality of annular structures, and at least one bridging portion is disposed between every two adjacent annular structures of the plurality of annular structures. 
     
     
         11 . The atomization device of  claim 2 , wherein the lug boss comprises a top wall and a second side wall; the second side wall connects the top wall and the bottom wall; the first side wall comprises at least one first air inlet for guiding hot air heated by the second heating element into the second accommodation space; the second side wall comprises at least one second air inlet for guiding the aerosol into an internal airway. 
     
     
         12 . The atomization device of  claim 7 , wherein an airflow channel is disposed between the at least one hole and the at least one first air inlet. 
     
     
         13 . The atomization device of  claim 2 , wherein the lug boss comprises a top wall and a second side wall; the second side wall connects the top wall and the bottom wall; the cup cover comprises at least one first air inlet for guiding hot air heated by the second heating element into the second accommodation space; the top wall comprises at least one second air inlet for guiding the aerosol into an internal airway; and a gap is formed between the top wall and the cup cover. 
     
     
         14 . The atomization device of  claim 13 , wherein the cup cover comprises a second recess; a radial size of the second recess is greater than a radial size of the second heating element; the at least one first air inlet is disposed in the second recess and located between an edge of the second recess and an edge of the second heating element. 
     
     
         15 . The atomization device of  claim 14 , wherein the cup cover comprises a protrusion and a third recess surrounded by the protrusion, and the radial size of the second recess is greater than a radial size of the protrusion. 
     
     
         16 . The atomization device of  claim 13 , wherein the shell comprises at least one third air inlet for guiding external cold air into the shell; the atomization device further comprises a connection base comprising a hollow section which is a part of the internal airway; the connection base comprises at least one fourth air inlet for guiding the cold air entering through the at least one third air inlet into the internal airway. 
     
     
         17 . The atomization device of  claim 16 , wherein the at least one third air inlet and the at least one fourth air inlet are located downstream of the accommodation cup along a flow direction of the aerosol in the internal airway. 
     
     
         18 . A control method of the atomization device of  claim 1 , the method comprising:
 energizing the first heating element to preheat the accommodation cup; and   energizing the second heating element to continuously heat air in the first accommodation space, to generate hot air.   
     
     
         19 . A hookah, comprising the atomization device of  claim 1  and a water container, wherein the shell is detachably or fixedly connected to the water container. 
     
     
         20 . The hookah of  claim 19 , wherein the water container comprises a third side wall; the third side wall comprises a mouthpiece, and the mouthpiece comprises an inhaling port; a water pipe is disposed in the water container; two ends of the water pipe are respectively connected to the at least one second air inlet of the atomization device and an internal space inside the water container; and a lumen of the water pipe forms a part of the internal airway.