Vape device liquid quantity control system

Abstract

A vape device liquid quantity control system comprises a liquid storage chamber, a liquid reservoir, an atomization chamber, a heating element, a porous liquid-absorbent material, a sealing plug, and a drive mechanism all arranged within a housing. The heating element and the porous liquid-absorbent material are assembled inside the atomization chamber, with the porous liquid-absorbent material wrapped around the heating element. The porous liquid-absorbent material is in contact with the liquid reservoir. The liquid storage chamber and the liquid reservoir are coupled through a liquid filling hole. The sealing plug is adapted to the liquid filling hole. The drive mechanism drives the sealing plug to move up and down to open or close the liquid filling hole. The drive mechanism drives the sealing plug to move up and down to achieve the opening and sealing of the liquid filling hole, in order to prevent liquid leakage or seepage.

What is claimed is: 
     
         1 . A vape device liquid quantity control system, characterized in that, the system comprises a housing as well as a liquid storage chamber, a liquid reservoir, an atomization chamber, a heating element, a porous liquid-absorbent material, a sealing plug, and a drive mechanism all arranged within the housing; the heating element and the porous liquid-absorbent material are assembled inside the atomization chamber, with the porous liquid-absorbent material wrapped around the heating element; the porous liquid-absorbent material is in contact with the liquid reservoir; the liquid storage chamber and the liquid reservoir are coupled through a liquid filling hole; the sealing plug is adapted to the liquid filling hole; the drive mechanism drives the sealing plug to move up and down to open or close the liquid filling hole. 
     
     
         2 . The vape device liquid quantity control system according to  claim 1 , characterized in that, the drive mechanism comprises a push rod solenoid valve, a connecting rod, and a restoring spring; the push rod solenoid valve comprises an electromagnet and a push rod that is arranged within the electromagnet and can extend and retract; the push rod links to one end of the connecting rod, and another end of the connecting rod passes through the liquid filling hole and connects to the sealing plug; the connecting rod is arranged with a limit snap component; the restoring spring is sleeved on the connecting rod with two ends connected between the limit snap component and the liquid filling hole, respectively. 
     
     
         3 . The vape device liquid quantity control system according to  claim 2 , characterized in that, the system further comprises a PCBA arranged inside the housing; the PCBA has arranged therein an MCU module and a solenoid control module; a solenoid is wound around the electromagnet; the MCU module comprises a chip U 2 , and the solenoid control module for the electromagnet comprises a MOS transistor Q 2 , a voltage regulator diode D 1 , a resistor R 13 , and a resistor R 15 ; the source of the MOS transistor Q 2  is connected to one end of the solenoid and to the negative terminal of the voltage regulator diode D 1 ; another end of the solenoid and the positive terminal of the voltage regulator diode D 1  are grounded; the drain of the MOS transistor Q 2  is connected to one end of the resistor R 13  and to a BAT+ terminal; the gate of the MOS transistor Q 2  is connected to another end of the resistor R 13  and to one end of the resistor R 15 ; another end of the resistor R 15  is connected to a PWM 2  pin of the chip U 2 . 
     
     
         4 . The vape device liquid quantity control system according to  claim 3 , characterized in that, the system further comprises an airflow sensor used for detecting airflow; the airflow sensor is coupled to the atomization chamber; the MCU module further comprises a resistor R 16 ; a MIC Out pin of the chip U 2 , the resistor R 16 , and the airflow sensor are connected in series in that order. 
     
     
         5 . The vape device liquid quantity control system according to  claim 4 , characterized in that, a process by which the MCU module controls the opening or closing of the liquid filling hole is as follows:
 a1. when the vape device is not in use, the PWM 2  pin of the chip U 2  outputs a high-level signal, the MOS transistor Q 2  is turned off, the solenoid is unpowered, the electromagnet loses magnetic force, and the restoring spring pulls the sealing plug down to close the liquid filling hole;   a2. when the vape device is in use, the airflow sensor triggers a signal, and the chip U 2  begins counting the usage time; when a preset usage duration set by the chip U 2  is reached, the chip U 2  outputs a low-level signal through the PWM 2  pin, the MOS transistor Q 2  is turned on, the solenoid is powered, and the electromagnet generates upward magnetic force, and the push rod and the connecting rod push the sealing plug to open the liquid filling hole;   a3. the chip U 2  begins counting the time that the sealing plug remains open; when a preset opening duration set by the chip U 2  is reached, the PWM 2  pin of the chip U 2  switches to output a high-level signal, the MOS transistor Q 2  is turned off, the solenoid is powered, and the electromagnet loses magnetic force, and the restoring spring pulls the sealing plug downward to close the liquid filling hole.   
     
     
         6 . The vape device liquid quantity control system according to  claim 3 , characterized in that, the PCBA further comprises a heating element control module, the heating element control module comprising a MOS transistor Q 1 , a resistor R 9 , a resistor R 10 , and a resistor R 12 ; the source of the MOS transistor Q 1  is connected to one end of the resistor R 10  and one end of the heating element, and another end of the heating element is grounded; another end of the resistor R 10  is connected to a VDCDC_READ pin of the chip U 2 ; the drain of the MOS transistor Q 1  is connected to one end of the resistor R 9  and to the BAT+ terminal; the gate of the MOS transistor Q 1  is connected to another end of the resistor R 9  and to one end of the resistor R 12 , and another end of the resistor R 12  is connected to a PWM 1  pin of the chip U 2 . 
     
     
         7 . The vape device liquid quantity control system according to  claim 3 , characterized in that, the system further comprises a battery arranged within the housing; the positive terminal of the battery is connected to the BAT+ terminal, and the negative terminal of the battery is grounded. 
     
     
         8 . The vape device liquid quantity control system according to  claim 7 , characterized in that, the system further comprises a charging port; the PCBA further comprises a charging module; the charging module comprises a chip U 1 ; pin  4  of the chip U 1  is connected to the charging port, pin  5  of the chip U 1  is connected to a 5V READ pin of the chip U 2 , pin  1  of the chip U 1  is connected to a C CHECK pin of the chip U 2 , and pin  3  of the chip U 1  is connected to the BAT+ terminal. 
     
     
         9 . The vape device liquid quantity control system according to  claim 3 , characterized in that, the PCBA further comprises a gyroscopic acceleration sensor module; the gyroscopic acceleration sensor module comprises a chip U 3 ; pin  12 , pin  2 , pin  5 , and pin  6  of the chip U 3  are respectively connected to a SCL pin, SDA pin, INT 1  pin, and INT 2  pin of the chip U 2 . 
     
     
         10 . The vape device liquid quantity control system according to  claim 9 , characterized in that, a process by which the gyroscopic acceleration sensor module controls the opening or closing of the liquid filling hole is as follows:
 b1. when the chip U 3  detects that a tilt angle of the vape device is greater than a set tilt angle, the chip U 3  sends a tilt signal to the chip U 2  through the SCL, SDA, INT 1 , and INT 2  pins; the PWM 2  pin of the chip U 2  outputs a high-level signal, the MOS transistor Q 2  is turned off, the solenoid is powered off, the electromagnet  52  loses magnetic force, and the restoring spring drives the sealing plug downward to close the liquid filling hole;   b2. when the electronic vape device is placed upright or the tilt angle is less than the set tilt angle, the chip U 3  stops sending the signal to the chip U 2 .   
     
     
         11 . The vape device liquid quantity control system according to  claim 2 , characterized in that, another end of the connecting rod is arranged with an inverted buckle; the sealing plug is arranged with an inverted buckle hole; the inverted buckle snaps into the inverted buckle hole. 
     
     
         12 . The vape device liquid quantity control system according to  claim 2 , characterized in that, a sealing holder is arranged between the liquid filling hole and the push rod solenoid valve for the connecting rod to pass through; an upper end of the sealing holder is arranged with at least one sealing ring sleeved on the connecting rod; the restoring spring is connected between the sealing holder and the limit snap component. 
     
     
         13 . The vape device liquid quantity control system according to  claim 1 , characterized in that, an inner wall at one end of the liquid filling hole near the liquid storage chamber is arranged with a sealing bevel; a lower end of the sealing plug is arranged with a sealing conical surface adapted to the sealing bevel. 
     
     
         14 . The vape device liquid quantity control system according to  claim 1 , characterized in that, the sealing plug is arranged with a step boundary extending to the side; when the liquid filling hole is closed, the step boundary covers the top of the liquid filling hole. 
     
     
         15 . The vape device liquid quantity control system according to  claim 1 , characterized in that, the housing comprises a liquid tank upper shell and an atomization holder; the liquid tank upper shell is sealed and connected to the atomization holder; the liquid storage chamber is arranged within the liquid tank upper shell; the liquid reservoir and the atomization chamber are arranged within the atomization holder; the liquid filling hole is arranged on the atomization holder. 
     
     
         16 . The vape device liquid quantity control system according to  claim 15 , characterized in that, the system further comprises a first sealing material and a first mouthpiece; the atomization holder is arranged with a first central air tube; the sealing material is sealed and connected to the liquid tank upper shell; a suction hole is arranged within the first sealing material; two ends of the first central air tube are respectively coupled to the atomization chamber and the bottom of the suction hole; the top of the suction hole is coupled to the first mouthpiece. 
     
     
         17 . The vape device liquid quantity control system according to  claim 15 , characterized in that, the system further comprises a second sealing material; the liquid tank upper shell is arranged with a second mouthpiece and a second central air tube; the upper end of the second central air tube is coupled to the second mouthpiece; the atomization holder is arranged with an atomization hole coupled to the atomization chamber; a suction hole is arranged within the second sealing material;
 two ends of the second sealing material are respectively connected to the atomization hole and the second central air tube.   
     
     
         18 . The vape device liquid quantity control system according to  claim 15 , characterized in that, the system further comprises a sealed base shell, an airflow sensor, and an absorbent member; the sealed base shell is connected to the atomization holder and seals the bottom of the atomization chamber; the airflow sensor and the absorbent member are connected to the sealed base shell.