Working control circuit for ultrasonic atomizer and ultrasonic electronic cigarette
A working control circuit for an ultrasonic atomizer and an ultrasonic electronic cigarette are disclosed. The working control circuit comprises a power module, a booster circuit, a smoking switch, a controller, a drive circuit, and an LC oscillation circuit. An output end of the booster circuit is also connected to the drive circuit through a voltage regulator circuit. The voltage regulator circuit comprises a first MOS transistor, a first resistor, and a second resistor. A reference level feedback end of the booster circuit is grounded through a third resistor. The voltage output end of the booster circuit is electrically connected to the reference level feedback end of the booster circuit through a fourth resistor.
1. A working control circuit for an ultrasonic atomizer, comprising:
a power module ( 1 ),
a booster circuit ( 2 ),
a smoking switch ( 3 ),
a controller ( 4 ),
a drive circuit ( 7 ), and
an LC oscillation circuit ( 5 ), wherein:
the power module ( 1 ) is electrically connected to the ultrasonic atomizer (J) sequentially through the booster circuit ( 2 ), the drive circuit ( 7 ), and the LC oscillation circuit ( 5 );
the smoking switch ( 3 ) is electrically connected to an input end of the controller ( 4 ), and
an output end of the controller ( 4 ) is electrically connected to an enable end of the booster circuit ( 2 );
it is characterized in that the working control circuit further comprises a voltage regulator circuit ( 6 ) for increasing a voltage value transmitted by the booster circuit ( 2 ) to the drive circuit ( 7 ) when a time interval between two adjacent ON moments of the smoking switch ( 3 ) is longer than a preset time,
an output end of the booster circuit ( 2 ) is electrically connected to an input end of the drive circuit ( 7 ) through the voltage regulator circuit ( 6 ), and
the output end of the controller ( 4 ) is electrically connected to a control end of the voltage regulator circuit ( 6 ).
2. The working control circuit for the ultrasonic atomizer according to claim 1 , wherein:
the voltage regulator circuit ( 6 ) comprises a first MOS transistor (Q 1 ), a first resistor (R 1 ), and a second resistor (R 2 ), a reference level feedback end of the booster circuit ( 2 ) is grounded through a third resistor (R 3 ),
a voltage output end of the booster circuit ( 2 ) is electrically connected to the reference level feedback end of the booster circuit ( 2 ) through a fourth resistor (R 4 ),
a gate of the first MOS transistor (Q 1 ) and one end of the second resistor (R 2 ) are both electrically connected to the output end of the controller ( 4 ),
a drain of the first MOS transistor (Q 1 ) is electrically connected to the voltage output end of the booster circuit ( 2 ) through the first resistor (R 1 ),
a source of the first MOS transistor (Q 1 ) is connected between the third resistor (R 3 ) and the fourth resistor (R 4 ), and
another end of the second resistor (R 2 ) is grounded.
3. The working control circuit for the ultrasonic atomizer according to claim 1 , further comprising a first filter circuit ( 8 ) connected between the voltage output end of the booster circuit ( 2 ) and the input end of the drive circuit ( 7 ).
4. The working control circuit for the ultrasonic atomizer according to claim 1 , further comprising a second filter circuit ( 9 ) connected between an input end of the booster circuit ( 2 ) and an output end of the power module ( 1 ).
5. The working control circuit for the ultrasonic atomizer according to claim 3 , wherein:
the first filter circuit ( 8 ) comprises a first capacitor (C 1 ), a second capacitor (C 2 ), a third capacitor (C 3 ), and a fourth capacitor (C 4 );
one ends of the first capacitor (C 1 ), the second capacitor (C 2 ), the third capacitor (C 3 ), and the fourth capacitor (C 4 ) are all connected between the voltage output end of the booster circuit ( 2 ) and the input end of the drive circuit ( 7 ); and
another ends of the first capacitor (C 1 ), the second capacitor (C 2 ), the third capacitor (C 3 ), and the fourth capacitor (C 4 ) are all grounded.
6. The working control circuit for the ultrasonic atomizer according to claim 4 , wherein:
the second filter circuit ( 9 ) comprises a fifth capacitor (C 5 ) and a sixth capacitor (C 6 ),
one ends of the fifth capacitor (C 5 ) and the sixth capacitor (C 6 ) are both connected between the input end of the booster circuit ( 2 ) and the output end of the power module ( 1 ), and
another ends of the fifth capacitor (C 5 ) and the sixth capacitor (C 6 ) are both grounded.
7. An ultrasonic electronic cigarette, comprising a working control circuit for the ultrasonic atomizer, the working control circuit comprising:
a power module ( 1 ),
a booster circuit ( 2 ),
a smoking switch ( 3 ),
a controller ( 4 ),
a drive circuit ( 7 ), and
an LC oscillation circuit ( 5 ), wherein:
the power module ( 1 ) is electrically connected to the ultrasonic atomizer (J) sequentially through the booster circuit ( 2 ), the drive circuit ( 7 ), and the LC oscillation circuit ( 5 );
the smoking switch ( 3 ) is electrically connected to an input end of the controller ( 4 ), and
an output end of the controller ( 4 ) is electrically connected to an enable end of the booster circuit ( 2 );
it is characterized in that the working control circuit further comprises a voltage regulator circuit ( 6 ) for increasing a voltage value transmitted by the booster circuit ( 2 ) to the drive circuit ( 7 ) when a time interval between two adjacent ON moments of the smoking switch ( 3 ) is longer than a preset time,
an output end of the booster circuit ( 2 ) is electrically connected to an input end of the drive circuit ( 7 ) through the voltage regulator circuit ( 6 ), and
the output end of the controller ( 4 ) is electrically connected to a control end of the voltage regulator circuit ( 6 ).
8. The ultrasonic electronic cigarette according to claim 7 , wherein:
the voltage regulator circuit ( 6 ) comprises a first MOS transistor (Q 1 ), a first resistor (R 1 ), and a second resistor (R 2 ),
a reference level feedback end of the booster circuit ( 2 ) is grounded through a third resistor (R 3 ),
a voltage output end of the booster circuit ( 2 ) is electrically connected to the reference level feedback end of the booster circuit ( 2 ) through a fourth resistor (R 4 ),
a gate of the first MOS transistor (Q 1 ) and one end of the second resistor (R 2 ) are both electrically connected to the output end of the controller ( 4 ),
a drain of the first MOS transistor (Q 1 ) is electrically connected to the voltage output end of the booster circuit ( 2 ) through the first resistor (R 1 ),
a source of the first MOS transistor (Q 1 ) is connected between the third resistor (R 3 ) and the fourth resistor (R 4 ), and
another end of the second resistor (R 2 ) is grounded.
9. The ultrasonic electronic cigarette according to claim 7 , wherein the working control circuit further comprises a first filter circuit ( 8 ) connected between the voltage output end of the booster circuit ( 2 ) and the input end of the drive circuit ( 7 ).
10. The ultrasonic electronic cigarette according to claim 7 , wherein the working control circuit further comprises a second filter circuit ( 9 ) connected between an input end of the booster circuit ( 2 ) and an output end of the power module ( 1 ).
11. The ultrasonic electronic cigarette according to claim 9 , wherein:
the first filter circuit ( 8 ) comprises a first capacitor (C 1 ), a second capacitor (C 2 ), a third capacitor (C 3 ), and a fourth capacitor (C 4 );
one ends of the first capacitor (C 1 ), the second capacitor (C 2 ), the third capacitor (C 3 ), and the fourth capacitor (C 4 ) are all connected between the voltage output end of the booster circuit ( 2 ) and the input end of the drive circuit ( 7 ); and
another ends of the first capacitor (C 1 ), the second capacitor (C 2 ), the third capacitor (C 3 ), and the fourth capacitor (C 4 ) are all grounded.
12. The ultrasonic electronic cigarette according to claim 10 , wherein:
the second filter circuit ( 9 ) comprises a fifth capacitor (C 5 ) and a sixth capacitor (C 6 ),
one ends of the fifth capacitor (C 5 ) and the sixth capacitor (C 6 ) are both connected between the input end of the booster circuit ( 2 ) and the output end of the power module ( 1 ), and
another ends of the fifth capacitor (C 5 ) and the sixth capacitor (C 6 ) are both grounded.