Aerosol generating device

Abstract

An aerosol generating device includes a housing, an atomizing assembly, a temperature sensing element, and a power supply assembly. The atomizing assembly is provided in the housing, the atomizing assembly includes an oil cup and a heating element provided on the oil cup, and the heating element is configured to heat the oil cup to heat an atomizing medium in the oil cup. The temperature sensing element is provided on the heating element and is configured to acquire a temperature change parameter of the oil cup. The power supply assembly is electrically connected to the heating element and is communicatively connected to the temperature sensing element. The power supply assembly is configured to control a power supplied to the heating element according to the temperature change parameter of the oil cup.

What is claimed is: 
     
         1 . An aerosol generating device, comprising:
 a housing;   an atomizing assembly provided in the housing, the atomizing assembly comprising an oil cup and a heating element provided on the oil cup, and the heating element being configured to heat the oil cup to heat an atomizing medium in the oil cup;   a temperature sensing element provided on the heating element, the temperature sensing element being configured to acquire a temperature change parameter of the oil cup; and   a power supply assembly electrically connected to the heating element and communicatively connected to the temperature sensing element, and the power supply assembly being configured to control a power supplied to the heating element according to the temperature change parameter of the oil cup.   
     
     
         2 . The aerosol generating device according to  claim 1 , wherein the heating element is provided on a side wall of the oil cup. 
     
     
         3 . The aerosol generating device according to  claim 2 , wherein the heating element is annular and is attached to an outer peripheral surface of the oil cup, and the temperature sensing element is attached to a side of the heating element away from the oil cup. 
     
     
         4 . The aerosol generating device according to  claim 3 , wherein the heating element is adhered to an outer side of the oil cup;
 or the side of the heating element away from the oil cup is covered by a first adhesive layer configured to fix the heating element to the oil cup.   
     
     
         5 . The aerosol generating device according to  claim 3 , wherein the atomizing assembly further comprises a thermal insulator, the thermal insulator is attached to the side of the heating element away from the oil cup and covers the heating element, and the temperature sensing element is located between the thermal insulator and the heating element. 
     
     
         6 . The aerosol generating device according to  claim 5 , wherein the thermal insulator is adhered to an outer side of the heating element;
 or a side of the thermal insulator away from the heating element is covered by a second adhesive layer configured to fix the thermal insulator to the heating element.   
     
     
         7 . The aerosol generating device according to  claim 1 , wherein the temperature sensing element is a thermistor, and a resistance of the thermistor changes in response to a change of the temperature change parameter of the oil cup. 
     
     
         8 . The aerosol generating device according to  claim 1 , wherein the power supply assembly comprises a battery and a control board electrically connected to the battery, and the control board is electrically connected to the heating element and is communicatively connected to the temperature sensing element. 
     
     
         9 . The aerosol generating device according to  claim 1 , wherein the housing is provided with an atomizing cavity in communication with an external environment, an atomizing core electrically connected to the power supply assembly is provided at an end of the oil cup, the atomizing core has an oil inlet surface and an atomizing surface, the oil inlet surface faces an inner cavity of the oil cup, the atomizing surface faces the atomizing cavity, and the atomizing core is configured to heat and atomize the atomizing medium heated and melted by the heating element to generate an aerosol. 
     
     
         10 . The aerosol generating device according to  claim 9 , wherein the housing comprises an outer shell and a sealing member provided in the outer shell, the atomizing cavity is provided on the sealing member, the sealing member is provided with a mounting position in communication with the atomizing cavity, the atomizing assembly is provided in the mounting position, the outer shell is provided with an air outlet in communication with the atomizing cavity, and the power supply assembly is provided in the outer shell.