Electronic cigarette with independent breathing sensing channel

Abstract

An electronic cigarette, includes a mouthpiece section, the mouthpiece section has a suction nozzle; a rod section; the rod section has a first cylinder, the first cylinder accommodating a power source, the first cylinder has an airflow sensor arrange along a longitudinal direction of the power source; an atomizing section, the atomizing section has a second cylinder, a smoke duct, an atomizer and an airflow duct, the smoke duct pass through the second cylinder, the atomizer is installed at the smoke duct, the working state of the atomizer is controlled by the airflow sensor, the airflow duct is penetrated in the smoke duct, tops of the smoke duct and the airflow duct is opened in the mouthpiece section, a bottom of the airflow duct pass through the atomizer and the sealing member and communicating with the first cylinder.

What is claimed is: 
     
         1 . An electronic cigarette, comprising:
 a mouthpiece section, the mouthpiece section having a suction nozzle;   a rod section; the rod section having a first cylinder, the first cylinder accommodating a power source, the first cylinder having an airflow sensor arranging along a longitudinal direction of the power source; and   an atomizing section, the atomizing section arranged between the mouthpiece section and the rod section, the atomizing section having a second cylinder, a smoke duct, an atomizer and an airflow duct, one end of the second cylinder being connected to the mouthpiece section, the other end of the second cylinder being connected to the first cylinder, the second cylinder containing smoke oil, the smoke duct passing through the second cylinder, the atomizer being installed at a bottom of the smoke duct, the smoke duct having an oil inlet communicating with the atomizer, the bottom of the atomizer having a sealing member, the working state of the atomizer being controlled by the airflow sensor, the airflow duct being penetrated in the smoke duct, tops of the smoke duct and the airflow duct being opened in the mouthpiece section, a bottom of the airflow duct passing through the atomizer and the sealing member and communicating with the first cylinder, an inside of the airflow duct isolated from a space formed between an outside of the airflow duct and an inside of the smoke duct.   
     
     
         2 . The electronic cigarette as claimed in  claim 1 , wherein the sealing member is a waterproof rubber ring connected with an inner wall of the smoke duct, the sealing member defines a through hole, the airflow duct passes the through hole, an outer wall of the smoke duct is connected with an inner wall of the through hole, a bottom of the sealing member defines a cavity being concentric and communicating with the through hole, and a bottom of the airflow duct extends outward to form a skirt, the skirt is snapped into the cavity. 
     
     
         3 . The electronic cigarette as claimed in  claim 1 , wherein the atomizer comprises a cylindrical heater, a heating wire in a cavity of the heater, and an oil-absorbing cotton covering an outer wall of the heater, the oil inlet has a plurality of oil inlet holes opened on a side wall of the smoke duct, the heating wire heats up the heater for atomizing the smoke oil in the oil-absorbing cotton. 
     
     
         4 . The electronic cigarette as claimed in  claim 1 , wherein a bottom of the second cylinder has a connector head with a T-shaped longitudinal section and a ring structure, the second cylinder is detachably connected to the first cylinder through the connector head. 
     
     
         5 . The electronic cigarette as claimed in  claim 4 , wherein the smoke duct extends downward to an outside of the second cylinder, a top of the connector head is sleeved on an outer wall of the smoke duct, a bottom of the connector head extends into the first cylinder and is screwed with the first cylinder. 
     
     
         6 . The electronic cigarette as claimed in  claim 5 , wherein a sleeve is inserted into a top opening of the first cylinder, a cavity of the connector head receives a hollow first conductive pillar, a cavity of the sleeve receives a hollow second conductive pillar, when the connector head and the sleeve are connected, the first conductive pillar and the second conductive pillar abut each other, the atomizer comprises a cylindrical heater, a heating wire in a cavity of the heater, a positive end of the heating wire is electrically connected to the first conductive pillar, and a positive end of the power source is electrically connected to the second conductive pillar through the airflow sensor. 
     
     
         7 . The electronic cigarette as claimed in  claim 6 , wherein an inner wall of the connector head has a ring-shaped first flange, an inner wall of the sleeve has a ring-shaped second flange, the first conductive pillar and the second conductive pillar are engaged with the first flange and the second flange, respectively. 
     
     
         8 . The electronic cigarette as claimed in  claim 7 , wherein both the connector head and the sleeve are formed of metal material conductors, the negative end of the heating wire passes through the heater and is electrically connected to the connector, and the negative end of the power supply is electrically connected to the airflow sensor and the sleeve, the first insulating sleeve is sleeved on a first conductive pillar, a second insulating sleeve is sleeved on the second conductive pillar, the first insulating sleeve defines a first slot for connecting to the first flange, and the second insulating sleeve defines a second slot for connecting to the second flange. 
     
     
         9 . The electronic cigarette as claimed in  claim 6 , wherein a top of the sleeve protrudes outward to form an annular flange, a top of the first cylinder abuts on the annular flange, outer surfaces of the annular flange and the sleeve define at least one air inlet communicating with an inside of the first cylinder. 
     
     
         10 . The electronic cigarette as claimed in  claim 1 , wherein the mouthpiece section comprises a sealing joint having a hollow structure and a suction nozzle plugged to the sealing joint, the sealing joint is sleeved on the top of the smoke duct and is connected to the second cylinder, the sealing joint has an air nozzle, a middle portion of the air nozzle has a first diversion hole, and the air nozzle defines a plurality of second diversion holes around the first guide hole, the first diversion hole communicates with the airflow duct, the second diversion holes communicate the smoke duct, the first diversion hole is isolated from the second diversion holes. 
     
     
         11 . An electronic cigarette, comprising:
 a first cylinder;   a power source received in an inside of the first cylinder;   an airflow sensor received in the inside of the first cylinder, the airflow sensor arranged bellow the power source or up the power source, the airflow sensor arranged along a longitudinal direction of the first cylinder;   a second cylinder connected to a top of the first cylinder;   a suction nozzle connected to a top of the second cylinder;   a smoke duct positioned in the second cylinder, a top opening of the smoke duct communicated to the suction nozzle;   an atomizer positioned below the smoke duct, a bottom opening of the smoke duct communicated to the atomizer;   a smoke oil storage formed between an outside of the smoke duct and an inside of the second cylinder, the smoke oil storage communicated to the atomizer; and   an airflow duct positioned in the smoke duct, a top opening of the airflow duct communicated to the suction nozzle, the airflow duct penetrated through the atomizer, a bottom opening of the airflow duct communicated to the inside of the first cylinder, an inside of the airflow duct isolated from a space formed between an outside of the airflow duct and an inside of the smoke duct.   
     
     
         12 . The electronic cigarette as claimed in  claim 11 , wherein the atomizer has a heating wire with a spiral structure, the airflow duct passes through the spiral structure of the heating wire. 
     
     
         13 . The electronic cigarette as claimed in  claim 12 , wherein the smoke duct has a guiding cavity and an atomization cavity communicated to and arranged below the guiding cavity, the atomizer is positioned in the atomization cavity. 
     
     
         14 . The electronic cigarette as claimed in  claim 13 , wherein a sealing member is sealed to a bottom opening of the atomization cavity of the smoke duct. 
     
     
         15 . The electronic cigarette as claimed in  claim 11 , wherein a connector head is positioned at a bottom of the second cylinder and interconnected the top of the first cylinder and the second cylinder. 
     
     
         16 . The electronic cigarette as claimed in  claim 15 , wherein a sleeve is positioned at the top of the first cylinder and engaged with the connector head. 
     
     
         17 . The electronic cigarette as claimed in  claim 11 , wherein a first conductive pillar is positioned at a bottom of the second cylinder, the inside of the airflow duct communicates with an inside of the first conductive pillar. 
     
     
         18 . The electronic cigarette as claimed in  claim 17 , wherein a second conductive pillar is positioned at the top of the first cylinder, the inside of the airflow duct communicates with an inside of the second pillar through the inside of the first conductive pillar. 
     
     
         19 . An electronic cigarette, comprising:
 a case;   a power source positioned in the case;   an airflow sensor positioned in a room of the case;   a smoke oil storage disposed in the case;   a suction nozzle connected to the case;   an atomizer positioned in the case, the atomizer communicated with the smoke oil storage;   a smoke duct positioned in the case, the smoke duct having a first opening and a second opening, the first opening communicated with the suction nozzle, the second opening communicated with the atomizer; and   an airflow duct positioned in the smoke duct, the air flow duct has a third opening and a fourth opening, the third opening communicated with the suction nozzle, the fourth opening communicated with the room, an inside of the airflow duct isolated from a space formed between an outside of the airflow duct and an inside of the smoke duct.   
     
     
         20 . The electronic cigarette as claimed in  claim 19 , wherein the airflow duct is penetrated through the atomizer.