US20150216235A1 - Electronic cigarette and circuit used in the same - Google Patents

Electronic cigarette and circuit used in the same Download PDF

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Publication number
US20150216235A1
US20150216235A1 US14/233,882 US201314233882A US2015216235A1 US 20150216235 A1 US20150216235 A1 US 20150216235A1 US 201314233882 A US201314233882 A US 201314233882A US 2015216235 A1 US2015216235 A1 US 2015216235A1
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United States
Prior art keywords
electronic cigarette
micro
controller
airflow
electrically connected
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US14/233,882
Inventor
Qiuming Liu
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Kimree Hi-Tech Inc
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Kimree Hi-Tech Inc
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Assigned to KIMREE HI-TECH INC. reassignment KIMREE HI-TECH INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LIU, QIUMING
Publication of US20150216235A1 publication Critical patent/US20150216235A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/51—Arrangement of sensors
    • A24F47/008—
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts

Definitions

  • the present invention relates to an electronic cigarette and circuit therein.
  • an object of the present invention is to provide an electronic cigarette with reliable quality, stable performance and rare malfunction.
  • the present invention provides an electronic cigarette including a power supply, micro-controllers and a heater for heating and producing smoke, which constitute a loop by electrically connected in turn.
  • the electronic cigarette circuit further includes at least two airflow sensors electrically connected to the micro-controller and adapted for sensing the airflow in the electronic cigarette and outputting sensed signal.
  • the micro-controller conducts the loop according to the sensing signal.
  • the number of the micro-controllers is at least two, which respectively electrically connected with an airflow sensor.
  • one micro-controller and one airflow sensor are integrated on a printed circuit board to constitute an airflow sensor-controller.
  • the two airflow sensor-controllers are connected in series.
  • the number of the micro-controllers is one, which electrically connected with two airflow sensors.
  • the micro-controller conducts the loop according to the sensing signal sensed by the two the airflow sensors.
  • the airflow sensor is further used for obtaining airflow direction of the electronic cigarette to determine the type of air pressure and output the sensing signal.
  • the micro-controller is single-chip microcomputer.
  • the present invention provides an electronic cigarette including an inhalation pole and a power supply pole adapted to connect with each other.
  • the electronic cigarette has the above-mentioned electronic cigarette circuit disposed therein.
  • the inhalation pole has an atomizer disposed therein.
  • the atomizer has the heater disposed therein.
  • the power pole has lithium batteries or Farad capacitor inside for power supplying.
  • the inhalation pole and the power supply pole are connected by screwthreads.
  • the electronic cigarette and the electronic cigarette circuit of the present invention utilize at least two airflow sensors electrically connected to the micro-controller and sensing the airflow in the electronic cigarette and outputting sensed signal such that the micro-controller conducts the loop according to the sensing signal to achieve exponentially reducing malfunction rate of electronic cigarettes as a result of the airflow sensor failure,
  • the electronic cigarette reduces the quality risks of electronic cigarette.
  • the electronic cigarette and the circuit are not easily to cause malfunction, and has reliable quality and stable performance.
  • FIG. 1 is a schematic diagram of the circuit of an electronic cigarette according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of the circuit of an electronic cigarette according to another embodiment of the present invention.
  • the present invention provides an electronic cigarette and circuit to resolve the problem of the current electronic cigarette as that when the airflow sensor does not work, it leads to malfunction of the electronic cigarette and the electronic cigarette can not be used and causing energy waste.
  • the electronic cigarette circuit includes a power supply, a micro-controller and a heater for heating and producing smoke, which constitute a loop by electrically connected in turn. Furthermore, the electronic cigarette circuit includes at least two airflow sensors electrically connected to the micro-controller and adapted for sensing airflow in the electronic cigarette and outputting the sensing signal. The micro-controller conducts the loop according to the sensing signal. In the embodiment, the micro-controller is a single-chip microcomputer (SCM).
  • SCM single-chip microcomputer
  • the airflow sensor is also used to obtain the airflow direction of the electronic cigarette to determine the type of air pressure and output the sensing signal such that the micro-controller processes the sensing signal to detect the air pressure entering the electronic cigarette. Then, the micro-controller controls the electronic cigarette turn-on or turn-off based on the detected air pressure.
  • the control principle is the same as the airflow sensor controls airflow by sensing, which will not be repeated.
  • micro-controllers there are at least two micro-controllers, both of which are electrically connected with an airflow sensor respectively.
  • there are two micro-controllers both of which are electrically connected with an airflow sensor respectively.
  • One micro-controller and one airflow sensor are integrated on a printed circuit board to be an airflow sensor-controller.
  • the two airflow sensor-controllers are series connected.
  • the airflow sensors, or called as two airflow sensor-controllers, shall work simultaneously to conduct the loop effectively.
  • micro-controller there is only one micro-controller, which is electrically connected with at least two airflow sensors.
  • the micro-controller conducts the loop according to the sensing signal detected by all the airflow sensors.
  • the present invention also provides an electronic cigarette which includes an inhalation pole and a power supply pole adapted to connect with each other. Specifically, the inhalation pole and the power supply pole are connected by screwthreads. Furthermore, the electronic cigarette includes above-mentioned electronic cigarette circuit disposed therein.
  • the inhalation pole has an atomizer disposed therein.
  • the atomizer has the heater disposed therein.
  • the power supply pole has lithium batteries or Farad capacitor inside for power supplying.
  • the failure rate of using only one airflow sensor as X and the failure rate of the electronic cigarette of the present invention which adapts “n” airflow sensors electrically connected with micro-controller is Y
  • the failure rate of an airflow sensor is 0.1%, but the failure rate of the electronic cigarette will be reduced to 10 ⁇ 6 when the electronic cigarette uses two connected airflow sensors.
  • the technology solution of the present invention can exponentially reduce the failure rate of the electronic cigarette caused by the airflow sensors' malfunction.

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Abstract

The present invention provides an electronic cigarette includes a power supply, a micro-controller and a heater for heating and producing smoke, which are orderly and electrically connected to constitute a loop; further includes at least two airflow sensors electrically connected to the micro-controller for sensing the airflow in the electronic cigarette and outputting sensed signal, the micro-controller conducts the loop according to sensed signal. The electronic cigarette and its circuit utilize at least two airflow sensors electrically connected to the micro-controller and sensing the airflow in the electronic cigarette and outputting sensed signal such that the micro-controller conducts the loop according to the sensed signal to achieve exponentially reducing malfunction rate of electronic cigarettes as a result of the airflow sensor failure. The electronic cigarette reduces the quality risks of electronic cigarette. The electronic cigarette and the circuit unlikely cause malfunction, and have reliable quality and stable performance.

Description

    FIELD OF THE INVENTION
  • The present invention relates to an electronic cigarette and circuit therein.
    • BACKGROUND OF THE INVENTION
  • Current electronic cigarette uses an airflow sensor controller to light or turn off the electronic cigarette. Because only one airflow sensor is used and the quality is not stable with a failure rate about 0.1%, it always leads to malfunction of the electronic cigarette when the airflow sensor does not work. Then the electronic cigarette can not be used and it causes energy waste.
    • SUMMARY OF THE INVENTION
  • Therefore, an object of the present invention is to provide an electronic cigarette with reliable quality, stable performance and rare malfunction.
  • To achieve the above-mention object, the present invention provides an electronic cigarette including a power supply, micro-controllers and a heater for heating and producing smoke, which constitute a loop by electrically connected in turn. The electronic cigarette circuit further includes at least two airflow sensors electrically connected to the micro-controller and adapted for sensing the airflow in the electronic cigarette and outputting sensed signal. The micro-controller conducts the loop according to the sensing signal.
  • In a further embodiment, the number of the micro-controllers is at least two, which respectively electrically connected with an airflow sensor.
  • In a further embodiment, one micro-controller and one airflow sensor are integrated on a printed circuit board to constitute an airflow sensor-controller. The two airflow sensor-controllers are connected in series.
  • In a further embodiment, the number of the micro-controllers is one, which electrically connected with two airflow sensors. The micro-controller conducts the loop according to the sensing signal sensed by the two the airflow sensors.
  • In a further embodiment, the airflow sensor is further used for obtaining airflow direction of the electronic cigarette to determine the type of air pressure and output the sensing signal.
  • In a further embodiment, the micro-controller is single-chip microcomputer.
  • In addition, the present invention provides an electronic cigarette including an inhalation pole and a power supply pole adapted to connect with each other. The electronic cigarette has the above-mentioned electronic cigarette circuit disposed therein.
  • In a further embodiment, the inhalation pole has an atomizer disposed therein. The atomizer has the heater disposed therein.
  • In a further embodiment, the power pole has lithium batteries or Farad capacitor inside for power supplying.
  • In a further embodiment, the inhalation pole and the power supply pole are connected by screwthreads.
  • The electronic cigarette and the electronic cigarette circuit of the present invention utilize at least two airflow sensors electrically connected to the micro-controller and sensing the airflow in the electronic cigarette and outputting sensed signal such that the micro-controller conducts the loop according to the sensing signal to achieve exponentially reducing malfunction rate of electronic cigarettes as a result of the airflow sensor failure, The electronic cigarette reduces the quality risks of electronic cigarette. The electronic cigarette and the circuit are not easily to cause malfunction, and has reliable quality and stable performance.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a schematic diagram of the circuit of an electronic cigarette according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of the circuit of an electronic cigarette according to another embodiment of the present invention.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • It is needed to state that embodiments and all element limitations in all embodiments may be combined in the case of no conflicts. The present invention will be described in detail in the following combining figures and embodiments.
  • FIG. 1 and FIG. 2, the present invention provides an electronic cigarette and circuit to resolve the problem of the current electronic cigarette as that when the airflow sensor does not work, it leads to malfunction of the electronic cigarette and the electronic cigarette can not be used and causing energy waste.
  • The electronic cigarette circuit includes a power supply, a micro-controller and a heater for heating and producing smoke, which constitute a loop by electrically connected in turn. Furthermore, the electronic cigarette circuit includes at least two airflow sensors electrically connected to the micro-controller and adapted for sensing airflow in the electronic cigarette and outputting the sensing signal. The micro-controller conducts the loop according to the sensing signal. In the embodiment, the micro-controller is a single-chip microcomputer (SCM).
  • As an embodiment, the airflow sensor is also used to obtain the airflow direction of the electronic cigarette to determine the type of air pressure and output the sensing signal such that the micro-controller processes the sensing signal to detect the air pressure entering the electronic cigarette. Then, the micro-controller controls the electronic cigarette turn-on or turn-off based on the detected air pressure. The control principle is the same as the airflow sensor controls airflow by sensing, which will not be repeated.
  • As an embodiment, there are at least two micro-controllers, both of which are electrically connected with an airflow sensor respectively. Preferably, referring to FIG. 1, there are two micro-controllers, both of which are electrically connected with an airflow sensor respectively. One micro-controller and one airflow sensor are integrated on a printed circuit board to be an airflow sensor-controller. The two airflow sensor-controllers are series connected. The airflow sensors, or called as two airflow sensor-controllers, shall work simultaneously to conduct the loop effectively.
  • As another embodiment, there is only one micro-controller, which is electrically connected with at least two airflow sensors. The micro-controller conducts the loop according to the sensing signal detected by all the airflow sensors. Preferably, referring to FIG. 2, there are two airflow sensors, both of which work simultaneously to make the micro-controller to conduct the loop effectively.
  • The present invention also provides an electronic cigarette which includes an inhalation pole and a power supply pole adapted to connect with each other. Specifically, the inhalation pole and the power supply pole are connected by screwthreads. Furthermore, the electronic cigarette includes above-mentioned electronic cigarette circuit disposed therein.
  • The inhalation pole has an atomizer disposed therein. The atomizer has the heater disposed therein.
  • The power supply pole has lithium batteries or Farad capacitor inside for power supplying.
  • Assuming that the failure rate of using only one airflow sensor as X, and the failure rate of the electronic cigarette of the present invention which adapts “n” airflow sensors electrically connected with micro-controller is Y, then the following formula is established: Y=Xn. For example, the failure rate of an airflow sensor is 0.1%, but the failure rate of the electronic cigarette will be reduced to 10−6 when the electronic cigarette uses two connected airflow sensors. Obviously, the technology solution of the present invention can exponentially reduce the failure rate of the electronic cigarette caused by the airflow sensors' malfunction.
  • The above-mentioned is embodiments of the present invention. It is pointed out that various improvement and modifications can be made to the embodiments by those skilled in the art without departing from the true spirit and scope of the disclosure as defined by the appended claims.

Claims (15)

1. An electronic cigarette circuit comprising a power supply, micro-controller and a heater for heating and producing smoke, which constitute a loop by electrically connected in turn, wherein the electronic cigarette circuit further comprising at least two airflow sensors electrically connected to the micro-controller and adapted for sensing airflow in the electronic cigarette and outputting sensing signal, the micro-controller conducts the loop according to the sensing signal.
2. According to the electronic cigarette circuit in claim 1, wherein the number of the micro-controllers is at least two, which respectively electrically connected with an airflow sensor.
3. According to the electronic cigarette circuit in claim 2, wherein one micro-controller and one airflow sensor are integrated on a circuit board to constitute an airflow sensor-controller, the two airflow sensor-controllers are connected in series.
4. According to the electronic cigarette circuit in claim 1, wherein the number of the micro-controllers is one, which electrically connected with two airflow sensors, the micro-controller conducts the loop according to the sensing signal detected by the two airflow sensors.
5. According to the electronic cigarette circuit in claim 1, wherein the airflow sensor is further used for obtaining airflow direction of the electronic cigarette to determine the type of air pressure and output the sensing signal.
6. According to the electronic cigarette circuit in claim 1, wherein the micro-controller is a single-chip microcomputer.
7. An electronic cigarette comprising an inhalation pole and a power supply pole adapted to connect with each other, wherein the electronic cigarette further comprising an electronic cigarette circuit disposed therein, the electronic cigarette circuit comprising a power supply, micro-controller and a heater for heating and producing smoke, which constitute a loop by electrically connected in turn, wherein the electronic cigarette circuit further comprising at least two airflow sensors electrically connected to the micro-controller and adapted for sensing airflow in the electronic cigarette and outputting sensing signal, the micro-controller conducts the loop according to the sensing signal.
8. According to the electronic cigarette in claim 7, wherein the inhalation pole has an atomizer disposed therein, the atomizer has the heater disposed therein.
9. According to the electronic cigarette in claim 7, wherein the power pole has lithium batteries or Farad capacitor inside for power supplying.
10. According to the electronic cigarette in claim 7, wherein the inhalation pole and the power supply pole are connected by screwthreads.
11. According to the electronic cigarette in claim 7, wherein the number of the micro-controllers is at least two, which respectively electrically connected with an airflow sensor.
12. According to the electronic cigarette in claim 8, wherein one micro-controller and one airflow sensor are integrated on a circuit board to constitute an airflow sensor-controller, the two airflow sensor-controllers are connected in series.
13. According to the electronic cigarette in claim 7, wherein the number of the micro-controllers is one, which electrically connected with two airflow sensors, the micro-controller conducts the loop according to the sensing signal detected by the two the airflow sensors.
14. According to the electronic cigarette in claim 7, wherein the airflow sensor is further used for obtaining airflow direction of the electronic cigarette to determine the type of air pressure and output the sensing signal.
15. According to the electronic cigarette in claim 7, wherein the micro-controller is a single-chip microcomputer.
US14/233,882 2013-04-08 2013-04-08 Electronic cigarette and circuit used in the same Abandoned US20150216235A1 (en)

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PCT/CN2013/073868 WO2014166041A1 (en) 2013-04-08 2013-04-08 Electronic cigarette and circuit thereof

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USD825102S1 (en) 2016-07-28 2018-08-07 Juul Labs, Inc. Vaporizer device with cartridge
US10045568B2 (en) 2013-12-23 2018-08-14 Juul Labs, Inc. Vaporization device systems and methods
US10045567B2 (en) 2013-12-23 2018-08-14 Juul Labs, Inc. Vaporization device systems and methods
US10058130B2 (en) 2013-12-23 2018-08-28 Juul Labs, Inc. Cartridge for use with a vaporizer device
US10076139B2 (en) 2013-12-23 2018-09-18 Juul Labs, Inc. Vaporizer apparatus
US10104915B2 (en) 2013-12-23 2018-10-23 Juul Labs, Inc. Securely attaching cartridges for vaporizer devices
US10111470B2 (en) 2013-12-23 2018-10-30 Juul Labs, Inc. Vaporizer apparatus
USD836541S1 (en) 2016-06-23 2018-12-25 Pax Labs, Inc. Charging device
USD842536S1 (en) 2016-07-28 2019-03-05 Juul Labs, Inc. Vaporizer cartridge
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USD848057S1 (en) 2016-06-23 2019-05-07 Pax Labs, Inc. Lid for a vaporizer
US10279934B2 (en) 2013-03-15 2019-05-07 Juul Labs, Inc. Fillable vaporizer cartridge and method of filling
USD849996S1 (en) 2016-06-16 2019-05-28 Pax Labs, Inc. Vaporizer cartridge
USD851830S1 (en) 2016-06-23 2019-06-18 Pax Labs, Inc. Combined vaporizer tamp and pick tool
US10405582B2 (en) 2016-03-10 2019-09-10 Pax Labs, Inc. Vaporization device with lip sensing
US10512282B2 (en) 2014-12-05 2019-12-24 Juul Labs, Inc. Calibrated dose control
US10588356B2 (en) 2016-01-28 2020-03-17 Zenigata Llc Vapor delivery systems and methods
JP2020068688A (en) * 2018-10-30 2020-05-07 日本たばこ産業株式会社 Power supply unit of aerosol generation device, control method of power supply unit of aerosol generation device, and program for power supply unit of aerosol generation device
US10653186B2 (en) 2013-11-12 2020-05-19 VMR Products, LLC Vaporizer, charger and methods of use
USD887632S1 (en) 2017-09-14 2020-06-16 Pax Labs, Inc. Vaporizer cartridge
US10865001B2 (en) 2016-02-11 2020-12-15 Juul Labs, Inc. Fillable vaporizer cartridge and method of filling
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US11611223B2 (en) 2018-10-19 2023-03-21 Juul Labs, Inc. Charging adapter for vaporizer device

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US10104915B2 (en) 2013-12-23 2018-10-23 Juul Labs, Inc. Securely attaching cartridges for vaporizer devices
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US10159282B2 (en) 2013-12-23 2018-12-25 Juul Labs, Inc. Cartridge for use with a vaporizer device
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US10076139B2 (en) 2013-12-23 2018-09-18 Juul Labs, Inc. Vaporizer apparatus
US10058130B2 (en) 2013-12-23 2018-08-28 Juul Labs, Inc. Cartridge for use with a vaporizer device
US10264823B2 (en) 2013-12-23 2019-04-23 Juul Labs, Inc. Vaporization device systems and methods
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US11752283B2 (en) 2013-12-23 2023-09-12 Juul Labs, Inc. Vaporization device systems and methods
US10512282B2 (en) 2014-12-05 2019-12-24 Juul Labs, Inc. Calibrated dose control
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US10865001B2 (en) 2016-02-11 2020-12-15 Juul Labs, Inc. Fillable vaporizer cartridge and method of filling
US10405582B2 (en) 2016-03-10 2019-09-10 Pax Labs, Inc. Vaporization device with lip sensing
US11452826B2 (en) 2016-03-24 2022-09-27 Nicoventures Trading Limited Mechanical connector for electronic vapor provision system
USD929036S1 (en) 2016-06-16 2021-08-24 Pax Labs, Inc. Vaporizer cartridge and device assembly
USD849996S1 (en) 2016-06-16 2019-05-28 Pax Labs, Inc. Vaporizer cartridge
USD913583S1 (en) 2016-06-16 2021-03-16 Pax Labs, Inc. Vaporizer device
USD851830S1 (en) 2016-06-23 2019-06-18 Pax Labs, Inc. Combined vaporizer tamp and pick tool
USD836541S1 (en) 2016-06-23 2018-12-25 Pax Labs, Inc. Charging device
USD848057S1 (en) 2016-06-23 2019-05-07 Pax Labs, Inc. Lid for a vaporizer
US11245281B2 (en) 2016-06-29 2022-02-08 Philip Morris Products S.A. Electrically operated aerosol-generating system with a rechargeable power supply
WO2018001910A1 (en) * 2016-06-29 2018-01-04 Philip Morris Products S.A. An electrically operated aerosol-generating system with a rechargeable power supply
USD842536S1 (en) 2016-07-28 2019-03-05 Juul Labs, Inc. Vaporizer cartridge
USD825102S1 (en) 2016-07-28 2018-08-07 Juul Labs, Inc. Vaporizer device with cartridge
USD927061S1 (en) 2017-09-14 2021-08-03 Pax Labs, Inc. Vaporizer cartridge
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