Electronic vaporization device, power supply mechanism, and method for identifying vaporizer

Abstract

This application provides an electronic vaporization device, a power supply mechanism, and a method for identifying a vaporizer. The electronic vaporization device includes a vaporizer configured to vaporize a liquid substrate to generate an aerosol, and a power supply mechanism configured to supply power to the vaporizer. The vaporizer includes a heating element configured to heat and vaporize the liquid substrate. The power supply mechanism includes: a core, configured to supply power to the heating element; and a controller, configured to identify the vaporizer based on electric power provided by the core to the heating element and a resistance change generated by the heating element. Through the electronic vaporization device, the vaporizer can be automatically identified by detecting the resistance change of the heating element under electric power.

1 . An electronic vaporization device, comprising a vaporizer configured to vaporize a liquid substrate to generate an aerosol, and a power supply mechanism configured to supply power to the vaporizer, wherein the vaporizer comprises a heating element configured to heat and vaporize the liquid substrate, and the power supply mechanism comprises:
 a core, configured to supply power to the heating element; and   a controller, configured to identify the vaporizer based on electric power provided by the core to the heating element and a resistance change generated by the heating element.   
     
     
         2 . The electronic vaporization device according to  claim 1 , wherein the resistance change comprises a change curve of a resistance of the heating element with time. 
     
     
         3 . The electronic vaporization device according to  claim 1 , wherein the resistance change comprises a resistance change rate of the heating element. 
     
     
         4 . The electronic vaporization device according to  claim 1 , wherein the resistance change comprises a resistance value when the resistance of the heating element rises to be substantially constant, or a difference between the resistance value and an initial resistance value. 
     
     
         5 . The electronic vaporization device according to  claim 1 , wherein the controller is configured to:
 compare the resistance change of the heating element with a threshold range and change the electric power provided by the core to the heating element based on a comparison result.   
     
     
         6 . The electronic vaporization device according to  claim 5 , wherein the controller is configured to:
 compare a resistance change rate of the heating element or a resistance variation within a preset time with a threshold range, and prevent the core from supplying power to the heating element when the resistance change rate or the resistance variation is greater than a maximum value of the threshold range or less than a minimum value of the preset threshold range.   
     
     
         7 . The electronic vaporization device according to  claim 5 , wherein the controller is configured to:
 raise a resistance of the heating element to a substantially constant resistance value or compare a difference between the resistance value and an initial resistance value with a threshold range, and prevent the core from supplying power to the heating element when the resistance value or the difference is greater than a maximum value of the threshold range or less than a minimum value of the preset threshold range.   
     
     
         8 . The electronic vaporization device according to  claim 1 , wherein the core is configured to provide predetermined electric power to the heating element. 
     
     
         9 . The electronic vaporization device according to  claim 8 , wherein the core is configured to supply power to the heating element in a manner of constant power output. 
     
     
         10 . A power supply mechanism, configured to supply power to a vaporizer of an electronic vaporization device, wherein the vaporizer comprises a heating element configured to heat and vaporize a liquid substrate to generate an aerosol, and the power supply mechanism comprises:
 a core, configured to supply power to the heating element; and   a controller, configured to identify the vaporizer based on electric power provided by the core to the heating element and a resistance change generated by the heating element.   
     
     
         11 . A method for identifying a vaporizer, wherein the vaporizer comprises a heating element configured to heat and vaporize a liquid substrate to generate an aerosol, and the method comprises following steps of:
 supplying power to the heating element, and identifying the vaporizer based on an electric power provided to the heating element and a resistance change generated by the heating element.