Electronic cigarette provided with accumulated E-liquid removal function, and method therefor

Patent metadata

Field	Value
Publication number	US-10004263-B2
Application number	US-201415124180-A
Country	US
Kind code	B2
Filing date	Mar 7, 2014
Priority date	Mar 7, 2014
Publication date	Jun 26, 2018
Grant date	Jun 26, 2018

Abstract

An electronic cigarette provided with an accumulated e-liquid removal function and a method for removing accumulated e-liquid of an electronic cigarette. The electronic cigarette comprises an atomization assembly for atomizing e-liquid to produce smoke and a battery rod assembly configured for supplying power. The electronic cigarette is provided with a smoke channel for smoke to flow through, a heating assembly provided in the smoke channel and a control assembly for controlling the heating assembly which is configured for re-atomizing non-atomized e-liquid accumulated in the smoke channel. Implementation of the electronic cigarette provided with the accumulated e-liquid removal function and the present method for removing accumulated e-liquid provides the following beneficial effect: the heating assembly provided in the smoke channel is controlled by the control assembly to produce heat to allow e-liquid accumulated in the smoke channel to be re-atomized, thereby achieving the goal of removal of the accumulated e-liquid.

First claim

What is claimed is:

1. An electronic cigarette provided with an accumulated e-liquid removal function, comprising an atomization assembly ( 2 ) configured for atomizing an e-liquid to produce smoke and a battery rod assembly ( 1 ) configured for supplying power to the atomization assembly ( 2 ), the electronic cigarette is provided with a smoke channel for smoke to flow through, wherein the electronic cigarette further comprises:
a heating assembly ( 3 ) provided in the smoke channel and controlled by a control assembly ( 4 ) to produce heat to allow e-liquid accumulated in the smoke channel to be re-atomized;
wherein the control assembly ( 4 ) comprises:
a smoking switch ( 41 ) is configured for sending an inhalation signal;
a microprocessor control module ( 42 ) is configured for receiving the inhalation signal and controlling the battery rod assembly ( 1 ) to supply power to the atomization assembly ( 2 );
the microprocessor control module ( 42 ) is further configured for counting smoking times based on the inhalation signal and controlling the battery rod assembly ( 1 ) to supply power to the heating assembly ( 3 ) when the smoking times reach a default value, at the same time resetting the smoking times;
the atomization assembly ( 2 ) comprises a first electric wire ( 21 ), the heating assembly ( 3 ) comprises a second electric wire ( 31 ).

2. The electronic cigarette provided with an accumulated e-liquid removal function according to claim 1 , wherein the control assembly ( 4 ) further comprises a first switch (K 1 ) electrically connected to the microprocessor control module ( 42 );
the microprocessor control module( 42 ) is further configured for controlling the battery rod assembly ( 1 ) charging for the heating assembly ( 3 ) and resetting the smoking times when the first switch(K 1 ) was triggered.

3. The electronic cigarette provided with an accumulated e-liquid removal function according to claim 1 , wherein the smoking switch ( 41 ) comprises an airflow sensor, a key switch or a touch switch.

4. The electronic cigarette provided with an accumulated e-liquid removal function according to claim 1 , wherein the smoking switch ( 41 ) is an airflow sensor (M 1 ), the battery rod assembly ( 1 ) comprises a battery ( 11 );
the microprocessor control module ( 42 ) comprises a microcontroller (U 1 ) whose type is SN8P2711B, a first MOS transistor (Q 1 ) configured for controlling an electrical connection between the first electric wire ( 21 ) and the battery ( 11 ), a second MOS transistor (Q 2 ) configured for controlling an electrical connection between the second electric wire ( 31 ) and the battery ( 11 ), and a zener diode (D 1 );a VDD pin of the microcontroller (U 1 ) is electrically connected to a negative electrode of the zener diode (D 1 ), and a positive electrode of the zener diode (D 1 ) is electrically connected to a positive electrode of the battery ( 11 ), a signal output end of the airflow sensor (M 1 ) is electrically connected to a P0.2 pin of the microcontroller (U 1 ), two ends of the first electric wire ( 21 ) are electrically connected to the positive electrode of the battery ( 11 ) and a drain electrode of the first MOS transistor (Q 1 ) respectively, two ends of the second electric wire ( 31 ) are electrically connected to the positive electrode of the battery ( 11 ) and a drain electrode of the second MOS transistor (Q 2 ) respectively, both source electrodes of the first MOS transistor (Q 1 ) and the second MOS transistor (Q 2 ) are electrically connected to a negative electrode of the battery ( 11 ), grid electrodes of the first MOS transistor (Q 1 ) and the second MOS transistor (Q 2 ) are connected to a P5.3 pin and a P4.1 pin of the microcontroller (U 1 ), respectively.

5. The electronic cigarette provided with an accumulated e-liquid removal function according to claim 4 , wherein the microprocessor control module ( 42 ) further comprises a capacitance (C 1 ), a resistance (R 1 ) and a light-emitting diode (D 2 ) configured for smoking indication;
a VSS pin of the microcontroller (U 1 ) is further grounded through the capacitance (C 1 ), a positive electrode of the light-emitting diode (D 2 ) is electrically connected to the positive electrode of the battery ( 11 ), a negative electrode of the light-emitting diode (D 2 ) is electrically connected to a P5.4 pin of the microcontroller (U 1 ) through the resistance (R 1 );
the microcontroller (U 1 ) is configured for controlling a conducting of the light-emitting diode (D 2 ) to light when receiving a triggering electrical signal, the capacitance (C 1 ) is configured for supplying a working voltage to the microcontroller (U 1 ) with an emergency power off.

6. The electronic cigarette provided with an accumulated e-liquid removal function according to claim 1 , wherein the heating assembly ( 3 ) comprises:
a liquid guiding rope ( 32 );
the second electric wire ( 31 ) twined round an outside surface of the liquid guiding rope ( 32 );
a ventilating pipe component ( 33 ) configured for fixed the liquid guiding rope ( 32 ).

7. The electronic cigarette provided with an accumulated e-liquid removal function according to claim 6 , wherein the ventilating pipe component ( 33 ) comprises a first ventilating pipe ( 332 ) configured for fixing the liquid guiding rope ( 32 ), the first ventilating pipe ( 332 ) is defined with at least two mounting holes ( 30 ) configured for allowing the liquid guiding rope ( 32 ) to pass through.

8. The electronic cigarette provided with an accumulated e-liquid removal function according to claim 7 , wherein the ventilating pipe component ( 33 ) further comprises:
a second ventilating pipe ( 331 ) defined at one end of the first ventilating pipe ( 332 ) and configured for avoiding an e-liquid adhesion,
a third ventilating pipe ( 333 ) and a fixed pipe ( 334 ) defined outside the first ventilating pipe ( 332 ) in sequence.

9. The electronic cigarette provided with an accumulated e-liquid removal function according to claim 1 , wherein the electronic cigarette further comprises an e-liquid reservoir ( 7 ) configured for accommodating the e-liquid, the electronic cigarette is provided with a smoking end ( 6 ), the e-liquid reservoir ( 7 ) is provided at an end opposite to the smoking end ( 6 ).

10. The electronic cigarette provided with an accumulated e-liquid removal function according to claim 9 , wherein the smoking end ( 6 ) is a suction nozzle detachably connected to the battery rod assembly ( 1 ), the smoke channel comprises:
a first inlet port ( 53 ) arranged on an outer surface of the electronic cigarette,
a first channel ( 51 ) arranged in the suction nozzle;
a second channel ( 52 ) arranged in the battery rod assembly ( 1 ) and communicated with the first inlet port ( 53 ) and the first channel ( 51 ),
wherein, the heating assembly ( 3 ) is arranged at a joint of the first channel ( 51 ) and the second channel ( 52 ).

11. The electronic cigarette provided with an accumulated e-liquid removal function according to claim 9 , wherein the atomization assembly ( 2 ) is defined with the battery rod assembly ( 1 ) coaxially, the e-liquid reservoir ( 7 ) is detachably connected to the atomization assembly ( 2 ),
and/or,
the atomization assembly ( 2 ) is detachably connected to the battery rod assembly ( 1 ).

12. A method of removing accumulated e-liquid in an electronic cigarette, used for the electronic cigarette, the electronic cigarette comprises an atomization assembly ( 2 ) configured for atomizing an e-liquid to produce smoke and a battery rod assembly ( 1 ) configured for supplying power to the atomization assembly ( 2 ), the electronic cigarette is

Assignees

• Kimree Hi Tech Inc
• Huizhou Kimree Technology Co Ltd Shenzhen Branch

Inventors

• Liu Qiuming

Classifications

• H05B1/0244

  Heating of fluids (H05B1/0247 takes precedence) · CPC title

• G05D23/1917

  using digital means · CPC title

• H05B2203/021

  Heaters specially adapted for heating liquids · CPC title

• A24F47/008 Primary

  Human Necessities · mapped topic

• H05B1/0227 Primary

  Applications · CPC title