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US20200323274A1 - Airflow heating device, heating control method, and electronic cigarette - Google Patents

Airflow heating device, heating control method, and electronic cigarette Download PDF

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Publication number
US20200323274A1
US20200323274A1 US16/755,143 US201816755143A US2020323274A1 US 20200323274 A1 US20200323274 A1 US 20200323274A1 US 201816755143 A US201816755143 A US 201816755143A US 2020323274 A1 US2020323274 A1 US 2020323274A1
Authority
US
United States
Prior art keywords
temperature
heating
airflow
sensing element
controlling
Prior art date
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
US16/755,143
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English (en)
Inventor
Weihua Qiu
Neng HUA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Paiteng Electronic Technology Co Ltd
Original Assignee
Changzhou Paiteng Electronic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changzhou Paiteng Electronic Technology Co Ltd filed Critical Changzhou Paiteng Electronic Technology Co Ltd
Assigned to CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD. reassignment CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HUA, Neng, QIU, WEIHUA
Publication of US20200323274A1 publication Critical patent/US20200323274A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • A24F40/46—Shape or structure of electric heating means
    • 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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • 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
    • 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
    • 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
    • A24F40/57—Temperature control

Definitions

  • the present invention relates to the technical field of electronic cigarettes, and in particular, to an airflow heating device, a heating control method and an electronic cigarette.
  • heating An important part of the smoking process of the electronic cigarette is heating, which heats the tobacco in the electronic cigarette to generate smoke for users to suck. Therefore, heating control is a key factor affecting the taste of electronic cigarettes.
  • air heating has the best effect, but the airflow temperature control of the air heating is actually controlling the temperature at the air inlet of the air channel, which will make the air temperature unstable and often higher or lower than the temperature at which the tobacco reaches its best smoking effect, thereby affecting the taste of electronic cigarettes.
  • an object of the present invention is to provide an airflow heating device, a heating control method and an electronic cigarette capable of detecting and controlling the temperature of the airflow after heating.
  • An airflow heating device includes an air channel for passage of an airflow, a heating member used for heating the airflow when passing through the air channel, a first temperature sensing element, a second temperature sensing element, and a control device.
  • the first temperature sensing element is used for detecting a temperature of the heating member.
  • the second temperature sensing element is located at an air outlet of the air channel for detecting a temperature of the airflow at the air outlet of the air channel.
  • the control device is separately connected to the first temperature sensing element, the second temperature sensing element and the heating member. The control device is used for controlling the heating member according to temperature information of the airflow detected by the first temperature sensing element and temperature information of the airflow detected by the second temperature sensing element.
  • the airflow heating device includes an outer tube and an inner support disposed inside the outer tube, and the air channel is formed between the outer tube and the inner support.
  • the air channel is spiral.
  • the inner support includes a central post and a spiral guide vane arranged along the central post, and the spiral air channel is formed between the central post, the guide vane and the outer tube.
  • an airflow sensing element is further provided at the air inlet of the air channel, and the airflow sensing element is used for detecting suction signal.
  • the present invention also provides an electronic cigarette, which includes the airflow heating device as described above.
  • the present invention also provides an airflow heating control method used for the airflow heating device as described above.
  • the method includes the following steps:
  • controlling the heating member according to the temperature information includes:
  • controlling the heating member to perform heating according to a second temperature detected by the second temperature sensing element includes:
  • controlling the heating member to enter a heating mode includes: controlling the heating member to perform heating at a third power;
  • the airflow heating device includes at least one heating member, controlling the heating member to enter a heating mode includes: controlling all the heating members to perform heating;
  • the present invention also provides an electronic cigarette which includes a memory and a processor, wherein at least one program instruction is stored in the memory, and the processor implements the following method by loading and executing the at least one program instruction:
  • the airflow heating device, the heating control method and the electronic cigarette of the present invention are provided with a second temperature sensing element at the air outlet of the air channel.
  • the control device is separately connected to the first temperature sensing element, the second temperature sensing element and the heating member.
  • the control device is used for controlling the heating member according to temperature information of the heating member detected by the first temperature sensing element and temperature information of the airflow at the air outlet of the air channel detected by the second temperature sensing element. That is, the heating member is controlled to perform heating according to the temperature at the air inlet of the air channel and the temperature at the air outlet of the air channel simultaneously, such that an optimal heating temperature for the tobacco is provided, and an optimal smoking effect is achieved.
  • FIG. 1 is a schematic diagram of an airflow heating device according to an embodiment of the present invention.
  • FIG. 2 is a flowchart of a heating control method for the airflow heating device shown in FIG. 1 .
  • an airflow heating device includes an outer tube 1 and an inner support 2 disposed inside the outer tube 1 .
  • the inner support 2 includes a central post 21 and a spiral guide vane 22 arranged along the central post 21 .
  • a spiral air channel is formed between the central post 21 , the guide vane 22 and the outer tube 1 for the passage of an airflow 3 (shown by the dotted arrows in FIG. 1 ).
  • the spiral guide vane 22 allows the airflow 3 to flow in a spiral manner when passing through, such that the heating is more sufficient and the heat exchange efficiency is high when compared with flowing in a straight-line manner.
  • the spiral guide vane 22 may not be arranged on the central post 21 , but may be arranged on the inner side of the outer tube 1 . It is also possible not to use a spiral air channel, but to use a straight-line air channel or other manners.
  • a first temperature sensing element 4 is provided on a peripheral side of the heating member, and an airflow sensing element 7 is provided at the air inlet of the air channel.
  • the first temperature sensing element 4 is used for detecting a first temperature of the heating member.
  • the airflow sensing element 7 is used for detecting a suction signal, that is, whether there is a flow of air, to determine whether the user starts to suck.
  • the airflow sensing element 7 may not be provided, and other methods such as the user turning on a switch, or detecting that the user's lips are in contact with a mouthpiece may be used to determine whether the user has started to suck.
  • the first temperature sensing element 4 is provided at the air inlet of the air channel as an example.
  • the first temperature sensing element 4 only needs to be able to detect the temperature of the heating member, and it may be arranged at any position on the surface of the heating member, which is not limited herein.
  • the first temperature sensing element 4 or the second temperature sensing element 5 in the embodiment may be a temperature sensor.
  • a second temperature sensing element 5 is provided at an air outlet of the air channel to detect a second temperature of the airflow at the air outlet.
  • the second temperature is the temperature of the heated airflow, i.e., the heating temperature for the tobacco.
  • a third temperature sensing element 6 may be installed on the outer tube 1 to detect a temperature of the heating member. When the temperature of the heating member reaches a preset threshold, heating is stopped to avoid danger due to an excessive high temperature of the heating member.
  • the position of the air outlet in the embodiment refers to a position where the distance from the air outlet is smaller than a preset value.
  • An inner wall the outer tube 1 may be surrounded by a heating member (not shown), and the inner support 2 may also be surrounded by a heating member (not shown) along the guide vane 22 .
  • the two heating members may be heated together, or only one of them may be heated. By choosing two or one of the hearing members being heated in different situations, electricity can be saved.
  • the heating member mentioned in the embodiment may be a heating resistance wire, which is not limited thereto.
  • the airflow heating device further includes a control device (not shown).
  • the control device is connected to the first temperature sensing element 4 , the second temperature sensing element 7 and the heating member, to receive the temperature information detected by the first temperature sensing element 4 and the second temperature sensing element 5 and control the heating member.
  • an electronic cigarette is also provided, including the airflow heating device as described above.
  • the airflow heating control method according to an embodiment of the present invention which is used for the airflow heating device described above, includes the following steps S 10 and S 20 .
  • S 10 acquiring temperature information detected by the first temperature sensing element and the second temperature sensing element, wherein the first temperature sensing element is used for detecting the temperature of the heating member, and the second temperature sensing element is disposed at the air outlet of the air channel to detect the temperature of the airflow at the air outlet of the air channel.
  • controlling the heating member according to the temperature information may include the following steps S 21 -S 24 .
  • this step may include: controlling the heating member to perform heating at a relatively high third power.
  • the third power may be a default power in the system of the electronic cigarette, or a power set by the user.
  • the user when setting the power, the user can set it through the touch screen in the electronic cigarette or through a physical button in the electronic cigarette, which is not limited herein.
  • this step may further include: controlling all the heating members to perform heating.
  • the first preset temperature may be a default temperature in the system of the electronic cigarette or a temperature set by the user.
  • controlling the heating member to enter the heat preservation mode may include: controlling the heating member to perform heating at a relatively low fourth power, or/and controlling a portion of the heating members to perform heating, wherein the fourth power is less than the third power, which can reduce heating power and save electricity.
  • the fourth power may also be a default power in the system of the electronic cigarette, or a power set by the user.
  • the above-mentioned prompt message is used to remind the user to start sucking.
  • the prompt message may be a sound, or may also be a vibration or a ring. Of course, it can also be realized by flashing a light.
  • the electronic cigarette continues to control the heating member to be in the heating mode.
  • This step may include: if the second temperature is lower than a second preset temperature, it means that the temperature at the air outlet has not reached the required temperature. At this time, the heating member is controlled to perform heating at a first power until the detected second temperature reaches the second preset temperature; if the second temperature is equal to or greater than the second preset temperature, it means that the temperature at the air outlet has reached the required temperature, at this time, the heating member may be controlled to perform heating at a second power, wherein the first power is greater than the second power.
  • the heating member can be quickly heated to cause the second temperature to reach the preset temperature, and after the second temperature reaches the preset temperature, the second temperature is maintained at a relatively low power, which can save electric energy and reduce energy consumption.
  • the electronic cigarette can record at least one of the temperatures detected by the first temperature sensing element and the second temperature sensing element, the power of the heating member, the voltage of the heating member, and the electric current of the heating member, and based on the above data obtained from historical statistics, a set of rules is trained, such that before the user sucks, the temperature is maintained at the first preset temperature, and after the user starts to suck, the temperature at the air outlet of the air channel is maintained at the second preset temperature.
  • the heating control method may further include: detecting a third temperature of the heating member, determining whether the third temperature reaches a third preset temperature, and stopping the heating using the heating member when the third preset temperature is reached. By stopping the heating when the temperature of the heating member is high, a hidden safety hazard due to an excessive temperature is avoided.
  • the heating member may also be controlled to perform heating at a fifth power, wherein the fifth power is less than the third power, or less than the first power, which is not limited herein.
  • an electronic cigarette is further provided.
  • the electronic cigarette includes a memory and a processor;

Landscapes

  • Direct Air Heating By Heater Or Combustion Gas (AREA)
  • Control Of Resistance Heating (AREA)
  • Air Conditioning Control Device (AREA)
US16/755,143 2017-10-10 2018-09-12 Airflow heating device, heating control method, and electronic cigarette Abandoned US20200323274A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201710935637.3A CN107713016A (zh) 2017-10-10 2017-10-10 气流加热装置、加热控制方法及电子烟
CN201710935637.3 2017-10-10
PCT/CN2018/105242 WO2019072066A1 (fr) 2017-10-10 2018-09-12 Dispositif de chauffage de flux d'air, procédé de commande de chauffage, et cigarette électronique

Publications (1)

Publication Number Publication Date
US20200323274A1 true US20200323274A1 (en) 2020-10-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
US16/755,143 Abandoned US20200323274A1 (en) 2017-10-10 2018-09-12 Airflow heating device, heating control method, and electronic cigarette

Country Status (4)

Country Link
US (1) US20200323274A1 (fr)
EP (1) EP3695737A4 (fr)
CN (1) CN107713016A (fr)
WO (1) WO2019072066A1 (fr)

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CN113662269A (zh) * 2021-08-20 2021-11-19 华中科技大学 一种具有微螺旋气流通道的空气加热结构及电子烟
CN114760865A (zh) * 2020-11-10 2022-07-15 韩国烟草人参公社 气溶胶生成物品
JP2023030078A (ja) * 2020-02-13 2023-03-07 ケーティー アンド ジー コーポレイション エアロゾル生成装置及びその動作方法
WO2024055728A1 (fr) * 2022-09-15 2024-03-21 深圳麦时科技有限公司 Dispositif de génération d'aérosol, procédé de commande s'y rapportant et dispositif de commande
US12150488B2 (en) 2018-11-05 2024-11-26 Nicoventures Trading Limited Temperature regulating system for an electronic vapor provision system

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CN107713016A (zh) * 2017-10-10 2018-02-23 常州市派腾电子技术服务有限公司 气流加热装置、加热控制方法及电子烟
CN108308720B (zh) * 2018-04-12 2025-03-18 深圳市新宜康科技股份有限公司 利用热场温差控制的雾化装置及其控制方法
CN110870590B (zh) * 2018-08-14 2022-04-29 常州市派腾电子技术服务有限公司 发烟装置、电子烟及控制方法
CN111067142A (zh) * 2018-10-18 2020-04-28 湖南中烟工业有限责任公司 一种低温烟工作控制方法及系统
CN111067140B (zh) * 2018-10-18 2023-03-10 湖南中烟工业有限责任公司 一种低温烟工作控制电路
CN109393567B (zh) * 2018-11-07 2024-02-23 深圳市新宜康科技股份有限公司 均温式电磁感应加热不燃烧装置及其加热方法
CN112167726A (zh) * 2019-07-03 2021-01-05 惠州市沛格斯科技有限公司 电子烟具
CN110338467B (zh) 2019-07-22 2025-03-04 深圳麦克韦尔科技有限公司 一种电子雾化装置及发烟组件
GB2588113B (en) * 2019-10-07 2023-08-09 Mprd Ltd Apparatus for testing a tobacco heating product
CN111096482A (zh) * 2020-01-14 2020-05-05 深圳雪雾科技有限公司 一种电子烟及烟弹
CN113133549A (zh) * 2020-01-20 2021-07-20 青岛颐中科技有限公司 加热不燃烧烟具
CN112369721B (zh) * 2020-04-15 2022-09-02 湖北中烟工业有限责任公司 加热不燃烧烟草器具及温度控制方法
CN111528532A (zh) * 2020-04-24 2020-08-14 云南中烟工业有限责任公司 一种加热不燃烧卷烟装置的温控系统及其温度控制方法
CN112369690B (zh) * 2020-05-21 2024-08-09 湖北中烟工业有限责任公司 感应器件和电子烟
CN111686660A (zh) * 2020-06-19 2020-09-22 浙江育康清生物医药有限公司 气溶胶发生装置的控制系统、方法、可读存储介质及装置
WO2022002938A1 (fr) * 2020-06-30 2022-01-06 Jt International S.A. Dispositif de génération d'aérosol comprenant des capteurs de température et procédé de surveillance associé
CN111938208B (zh) * 2020-09-10 2023-10-31 深圳市赛尔美电子科技有限公司 雾化装置
CN115088881B (zh) * 2022-07-26 2023-04-18 深圳市蔚然实业有限公司 基于电子烟烟雾量的加热效率调节控制方法及系统
CN116548685B (zh) * 2023-04-27 2025-11-18 深圳市太美亚电子科技有限公司 一种加热均匀的电子雾化器

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GB2529629B (en) * 2014-08-26 2021-05-12 Nicoventures Trading Ltd Electronic aerosol provision system
CN104207332B (zh) * 2014-09-02 2017-12-08 深圳麦克韦尔股份有限公司 可加热的烟具及感测方法
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CN105411004B (zh) * 2015-12-15 2018-03-13 深圳市赛尔美电子科技有限公司 一种新型气流预热装置
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CN107713016A (zh) * 2017-10-10 2018-02-23 常州市派腾电子技术服务有限公司 气流加热装置、加热控制方法及电子烟
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12150488B2 (en) 2018-11-05 2024-11-26 Nicoventures Trading Limited Temperature regulating system for an electronic vapor provision system
JP2023030078A (ja) * 2020-02-13 2023-03-07 ケーティー アンド ジー コーポレイション エアロゾル生成装置及びその動作方法
JP7242959B2 (ja) 2020-02-13 2023-03-20 ケーティー アンド ジー コーポレイション エアロゾル生成装置及びその動作方法
CN114760865A (zh) * 2020-11-10 2022-07-15 韩国烟草人参公社 气溶胶生成物品
US12376619B2 (en) 2020-11-10 2025-08-05 Kt&G Corporation Aerosol-generating article
CN113662269A (zh) * 2021-08-20 2021-11-19 华中科技大学 一种具有微螺旋气流通道的空气加热结构及电子烟
WO2024055728A1 (fr) * 2022-09-15 2024-03-21 深圳麦时科技有限公司 Dispositif de génération d'aérosol, procédé de commande s'y rapportant et dispositif de commande

Also Published As

Publication number Publication date
WO2019072066A1 (fr) 2019-04-18
CN107713016A (zh) 2018-02-23
EP3695737A4 (fr) 2021-09-29
EP3695737A1 (fr) 2020-08-19

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