CN114680396A - Intelligent early warning system for preventing dry burning of electronic cigarette - Google Patents
Intelligent early warning system for preventing dry burning of electronic cigarette Download PDFInfo
- Publication number
- CN114680396A CN114680396A CN202011633629.1A CN202011633629A CN114680396A CN 114680396 A CN114680396 A CN 114680396A CN 202011633629 A CN202011633629 A CN 202011633629A CN 114680396 A CN114680396 A CN 114680396A
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- cartridge
- heating
- early warning
- cigarette
- smoke
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- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 74
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 239000004505 smoke cartridge Substances 0.000 claims abstract description 38
- 239000000779 smoke Substances 0.000 claims abstract description 37
- 241000208125 Nicotiana Species 0.000 claims abstract description 22
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 22
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000009841 combustion method Methods 0.000 claims description 4
- 230000000391 smoking effect Effects 0.000 abstract description 14
- 230000002265 prevention Effects 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- A24F40/50—Control or monitoring
- A24F40/53—Monitoring, e.g. fault detection
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- Secondary Cells (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention belongs to the technical field of electronic cigarettes, and particularly provides an intelligent early warning system for preventing dry-burning of an electronic cigarette, which comprises a cigarette bullet, a heating piece information module, a battery equipment module and an alarm module; the smoke cartridge is used for storing comprehensive information of the smoke cartridge, and the comprehensive information of the smoke cartridge comprises the current smoke liquid amount A; the heating piece information module is used for acquiring the heating duration B, the heating temperature C and the heating power D of the heating piece and storing the tobacco juice consumption speeds V under different powers/temperatures; the battery equipment module obtains the residual smoke liquid amount S of the smoke cartridge according to the following formula: and S is A-VB. And when the residual smoke liquid amount S of the smoke cartridge reaches the early warning threshold value, the alarm module is informed to give an alarm. When the smoking begins, the battery equipment module can intelligently monitor the residual smoke liquid amount of the smoke cartridge and judge the early warning time to control the alarm module to carry out early warning. Avoid the heating element to dry and burn and suck the burnt taste and prevent burning out the heating element, have improved life.
Description
Technical Field
The invention belongs to the technical field of electronic cigarettes, and particularly relates to an intelligent early warning system for preventing dry-burning of an electronic cigarette.
Background
The intelligent early warning system of the anti-dry burning electronic cigarette is called an electronic cigarette, is mainly used for quitting smoking and replacing the cigarette, has the taste similar to the cigarette, even has more than the taste of the common cigarette, can suck the smoke like the cigarette, and suck the taste and clean, and has no tar, carbon monoxide, benzene, suspended particles and other harmful ingredients in the cigarette. In addition, the nicotine solution forms aerosol after atomization, the aerosol is quickly diluted in the air, and the low-density aerosol is difficult to absorb again and does not form second-hand smoke. Therefore, along with the enhancement of the pursuit strength of people to healthy life, the intelligent early warning system for preventing dry-burning electronic cigarettes has good market prospect and is more and more recognized by people at present.
But the atomizer of the intelligent early warning system of preventing dry combustion method electron cigarette on the market at present does not possess the detection function when the tobacco juice is about to exhaust, and the user does not necessarily can notice this detail again during the use, and the output of lighting a cigarette that lasts will cause like this that the piece that generates heat burns futilely and inhales burnt taste, influences the experience effect, and even more the person can burn out the piece that generates heat.
Disclosure of Invention
The invention aims to solve the problem that the intelligent early warning system of the dry burning prevention electronic cigarette in the prior art is easy to dry burn and absorb burnt smoke smell to influence user experience.
Therefore, the invention provides an intelligent early warning system of an anti-dry-burning electronic cigarette, which comprises a cigarette cartridge and a battery device, wherein the cigarette cartridge comprises a liquid storage cavity for storing cigarette liquid and a storage chip, and the battery device comprises an MCU (microprogrammed control unit), an alarm module and a battery;
the storage chip is used for storing comprehensive information of the cigarette cartridge, the comprehensive information of the cigarette cartridge comprises the current cigarette liquid amount and the model of the cigarette cartridge, when the cigarette cartridge is inserted into the battery device, the anode and the cathode of the MCU are respectively connected with the anode and the cathode of a heating wire in the cigarette cartridge, and the storage chip is also respectively connected with the anode and the cathode of the MCU;
the MCU is used for acquiring the heating duration, the heating temperature and the heating power of the smoke cartridge and storing the tobacco juice consumption speeds under different powers/temperatures;
the MCU is used for obtaining the residual smoke liquid quantity S of the cigarette cartridge according to a formula (1) and judging whether the residual smoke liquid quantity S of the cigarette cartridge reaches an early warning threshold value:
S＝A-VB (1)
wherein A is the current amount of the smoke liquid, B is the duration of heating, and V is the heating temperature;
and the alarm module is used for receiving the information of the MCU and giving an alarm.
Preferably, the cartridge summary information further includes information on the ID, taste, amount of liquid and elapsed time of the individual cartridges.
Preferably, the smoke cartridge is connected with the MCU through a common interface, and the common interface is in communication connection through a UNI/O bus.
Preferably, the battery device further comprises a wireless transmission module for communicating with a mobile phone, and the wireless communication unit comprises bluetooth, WIFI or NFC.
Preferably, the alarm module is one or more of a flashing light, a buzzer and a vibrating motor.
Preferably, a temperature sensor, a voltage sensor, a current sensor and a timer which are all electrically connected with the MCU are arranged in the battery device.
The invention has the beneficial effects that: the invention provides an intelligent early warning system of an anti-dry-burning electronic cigarette, which comprises a smoke cartridge, a heating piece information module, an MCU (microprogrammed control unit) and an alarm module; the smoke cartridge is used for storing comprehensive information of the smoke cartridge, and the comprehensive information of the smoke cartridge comprises the current smoke liquid amount A; the heating piece information module is used for acquiring the heating duration B, the heating temperature C and the heating power D of the heating piece and storing the tobacco juice consumption speeds V under different powers/temperatures; the MCU obtains the residual smoke liquid amount S of the smoke cartridge according to the following formula: and S is A-VB. And when the residual smoke liquid amount S of the cigarette cartridge reaches the early warning threshold value, the alarm module is informed to give an alarm. The flue itself stores the tobacco juice volume information, and the user can acquire the tobacco juice volume information when inserting the cartridge into the battery device at every turn. When a user starts smoking, the MCU can intelligently monitor the residual smoke liquid amount of the smoke cartridge and judge the early warning time to control the alarm module to carry out early warning. Avoid the heating element to dry and burn and suck the burnt taste and prevent burning out the heating element, have improved life.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a functional principle schematic diagram of an intelligent early warning system of an anti-dry-heating electronic cigarette of the invention;
fig. 2 is a schematic diagram of an alarm flow of the intelligent early warning system of the dry-burning prevention electronic cigarette of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The embodiment of the invention provides an intelligent early warning system for an anti-dry-burning electronic cigarette, which comprises a cigarette cartridge and a battery device, wherein the cigarette cartridge comprises a liquid storage cavity for storing cigarette liquid and a storage chip, and the battery device comprises an MCU (microprogrammed control unit), an alarm module and a battery;
the storage chip is used for storing comprehensive information of the cigarette cartridge, the comprehensive information of the cigarette cartridge comprises the current cigarette liquid amount and the model of the cigarette cartridge, when the cigarette cartridge is inserted into the battery device, the anode and the cathode of the MCU are respectively connected with the anode and the cathode of a heating wire in the cigarette cartridge, and the storage chip is also respectively connected with the anode and the cathode of the MCU;
the MCU is used for acquiring the heating duration, the heating temperature and the heating power of the smoke cartridge and storing the tobacco juice consumption speeds under different powers/temperatures;
the MCU is used for obtaining the residual smoke liquid quantity S of the cigarette cartridge according to a formula (1) and judging whether the residual smoke liquid quantity S of the cigarette cartridge reaches an early warning threshold value:
S＝A-VB (1)
wherein A is the current amount of the smoke liquid, B is the duration of heating, and V is the heating temperature;
and the alarm module is used for receiving the information of the MCU and giving an alarm.
This scheme is the transformation upgrading of going on current intelligent early warning system basis of preventing dry combustion method electron cigarette. Prevent intelligent early warning system of dry combustion method electron cigarette generally includes the tobacco rod body, this internal cigarette bullet, battery, air switch, the piece and the control circuit board etc. that generate heat that are equipped with of tobacco rod. When the intelligent early warning system of the dry-heating prevention electronic cigarette normally works, information about a heating part such as heating duration, heating temperature and heating power at each time can be collected and stored. Before the intelligent early warning system for the dry-burning-prevention electronic cigarette leaves a factory, the tobacco juice consumption speeds under different heating temperatures and heating powers are obtained through tests and stored in a table form. When the user smokes, a piece information module that generates heat just begins to gather the duration of generating heat, the temperature of generating heat and the power of generating heat of a piece, according to corresponding temperature of generating heat and the power of generating heat alright learn corresponding tobacco juice consumption speed to send information package to MCU. When the heating piece starts to heat each time, the timer can also acquire the heating duration time B, so that the MCU can obtain the residual smoke liquid amount S of the smoke cartridge according to the formula S-A-VB. Therefore, the remaining smoke volume S of the cartridge is automatically calculated after the end of a complete period from the beginning to the end of each smoking action. When the smoking action is started again next time, the current tobacco juice amount in the formula is the residual tobacco juice amount S of the last cigarette cartridge, and the residual tobacco juice amount after the smoking action is finished each time can be obtained through sequential iterative calculation.
Optionally, the cartridge summary information includes information on the ID, taste, amount of liquid and elapsed time of the individual cartridges. Before the cartridge leaves the factory, the information such as the ID, the taste, the tobacco liquid amount, the used time and the like of the cartridge are preset in advance. Through reading the information, the relevant factory information of the intelligent early warning system of the dry burning prevention electronic cigarette can be obtained. Wherein, D is used for anti-counterfeiting or matching and identifying the smoke cartridge and the battery equipment.
Optionally, the cartridge includes a memory chip EEPROM embedded in the cartridge and used for storing the cartridge general information. When a user inserts a cigarette cartridge into the battery device, the battery device can communicate with the battery device to acquire comprehensive information of the cigarette cartridge, and heating duration, heating temperature, heating power and the like of the heating part of each smoking action. When the cartridge is inserted into the battery device, all information can be transferred and summarized into the MCU.
In an optional scheme, the smoke cartridge is connected with the MCU through a common interface, and the common interface is in communication connection through a UNI/O bus. Each time a user inserts a cartridge into the battery device, the device communicates with it using IIC or UNI/O or SI/O, etc. Where UNI/O is a single I/O UNI/O bus, this innovative bus uses a single I/O pin for all communications and multiplexes clock and data over a single line using manchester encoding. SI/O is standard input output. One interface can be used for multiple purposes, and can serve as a power line and also can serve as a data line for data information interaction.
In an optional scheme, the early warning threshold is a dry burning warning point, and the dry burning warning point is a preset residual smoke liquid value of the smoke cartridge. An early warning threshold value is set and stored in the MCU before the intelligent early warning system for preventing dry burning of the electronic cigarette leaves a factory. And when the calculated real-time residual smoke liquid amount S of the smoke cartridge is compared with the early warning threshold value, if the calculated real-time residual smoke liquid amount S of the smoke cartridge is less than or equal to the early warning threshold value, a signal is sent to an alarm module to give an alarm.
Optionally, the battery device further includes a wireless transmission module for communicating with a mobile phone, and the wireless communication unit includes bluetooth, WIFI or NFC. The relevant information is detected and stored after the cartridge is inserted. Then the mobile phone can acquire data through Bluetooth or other wireless communication modes, and read the ID, the current cigarette liquid amount information and the like. The information is transmitted in the form of an NFC label or acquired on a mobile phone through preset information and Bluetooth connection, or the information is acquired in more than two ways, which covers various information label acquisition ways.
Optionally, the alarm module includes one or more of a flashing light, a buzzer and a vibrating motor. The battery equipment judges whether the residual smoke liquid amount reaches a dry burning alarm point, namely an early warning threshold value. If the alarm is reached, the smoking is not allowed, namely the heating element stops working, and simultaneously an alarm is started, wherein the alarm comprises flashing lights and buzzer buzzing, or vibrating a motor or other modes.
According to the optional scheme, the flashing lamp, the buzzer or the vibrating motor are arranged on a cigarette rod of the intelligent early warning system of the dry burning prevention electronic cigarette. The mounting and fixing can be carried out by adopting the modes of bonding, embedded bolt connection, welding and the like.
Optionally, a temperature sensor, a voltage sensor, a current sensor and a timer which are all electrically connected with the MCU are provided in the battery device. The switch is in a microphone/button form, or the heating piece automatically induces the respiratory airflow switch. When the heating part is detected to start working, the timer starts timing, and the heating part stops working and the timer stops timing, so that the smoking duration of each time can be obtained, namely the heating duration of the heating part. The MCU and the wireless transmission module are both positioned in the MCU. The MCU collects the related information of the heating piece, the related information of the smoke cartridge and the heating duration of the heating piece, then calculates the residual amount of the smoke liquid, and sends an alarm signal to the alarm module. Meanwhile, the wireless transmission module can transmit the relevant information of the intelligent early warning system of the dry burning prevention electronic cigarette to the mobile phone client in real time, so that a user can know the situation conveniently.
The following description describes the early warning process of the intelligent early warning system for preventing dry burning of the electronic cigarette, as shown in fig. 2:
before the cartridge leaves the factory, the information such as the ID, the taste, the tobacco liquid amount, the used time and the like of the cartridge are preset in advance. The cartridge is inserted into the battery, and the battery can acquire the information of the cartridge. Meanwhile, after the smoke cartridge is inserted, the related information is detected and stored, and the mobile phone end can acquire data through Bluetooth or other wireless communication modes. Smoking begins. And the battery equipment calculates the residual smoke liquid amount S of the smoke cartridge as A-VB according to the formula (1), simultaneously writes the smoke cartridge into the smoke cartridge, updates the information of the smoke cartridge, and compares the information with the early warning threshold value. Wherein, the battery device is pre-stored with the calculation formulas of the smoke liquid consumption and time, the smoke temperature and the power. Whether the smoking action is stopped or not is known through the switch information of the heating piece. If the smoking technology is used, the heating duration time B of the heating element is substituted into the formula to obtain the residual amount of the tobacco juice, and the residual amount of the tobacco juice is written into the cigarette cartridge. If the smoking action is not finished, calculating the residual smoke liquid quantity S of the smoke cartridge in real time through the formula, if the residual smoke liquid quantity S reaches the early warning threshold value, controlling the heating part to stop working through the stand horse, outputting an alarm, and writing the residual smoke liquid quantity into the smoke cartridge.
The invention has the beneficial effects that: the invention provides an intelligent early warning system of an anti-dry-burning electronic cigarette, which comprises a smoke cartridge, a heating piece information module, an MCU (microprogrammed control unit) and an alarm module; the smoke cartridge is used for storing comprehensive information of the smoke cartridge, and the comprehensive information of the smoke cartridge comprises the current smoke liquid amount A; the heating piece information module is used for acquiring the heating duration B, the heating temperature C and the heating power D of the heating piece and storing the tobacco juice consumption speeds V under different powers/temperatures; the MCU obtains the residual smoke liquid quantity S of the smoke cartridge according to the following formula: and S is A-VB. And when the residual smoke liquid amount S of the smoke cartridge reaches the early warning threshold value, the alarm module is informed to give an alarm. The flue itself stores the tobacco juice volume information, and the user can acquire the tobacco juice volume information when inserting the cartridge into the battery device at every turn. When a user starts smoking, the MCU can intelligently monitor the residual smoke liquid amount of the smoke cartridge and judge the early warning time to control the alarm module to carry out early warning. Avoid the heating element to dry and burn and suck the burnt taste and prevent burning out the heating element, have improved life.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, which is intended to be covered by the claims and any design similar or equivalent to the scope of the invention.
Claims (6)
1. The utility model provides an prevent intelligent early warning system of dry combustion method electron cigarette which characterized in that: the cigarette cartridge comprises a cigarette cartridge and a battery device, wherein the cigarette cartridge comprises a liquid storage cavity for storing cigarette liquid and a storage chip, and the battery device comprises an MCU (microprogrammed control unit), an alarm module and a battery;
the storage chip is used for storing comprehensive information of the cigarette cartridge, the comprehensive information of the cigarette cartridge comprises the current cigarette liquid amount and the model of the cigarette cartridge, when the cigarette cartridge is inserted into the battery device, the anode and the cathode of the MCU are respectively connected with the anode and the cathode of a heating wire in the cigarette cartridge, and the storage chip is also respectively connected with the anode and the cathode of the MCU;
the MCU is used for acquiring the heating duration, the heating temperature and the heating power of the smoke cartridge and storing the tobacco juice consumption speeds under different powers/temperatures;
the MCU is used for obtaining the residual smoke liquid quantity S of the cigarette cartridge according to a formula (1) and judging whether the residual smoke liquid quantity S of the cigarette cartridge reaches an early warning threshold value:
S＝A-VB (1)
wherein A is the current amount of the smoke liquid, B is the duration of heating, and V is the heating temperature;
and the alarm module is used for receiving the information of the MCU and giving an alarm.
2. The intelligent early warning system of the anti-dry-heating electronic cigarette according to claim 1, characterized in that: the cartridge summary information also includes information on the ID, taste, amount of liquid and elapsed time of an individual cartridge.
3. The intelligent early warning system of the anti-dry-heating electronic cigarette according to claim 1, characterized in that: the smoke cartridge is connected with the MCU through a shared interface, and the shared interface is in communication connection through a UNI/O bus.
4. The intelligent early warning system of the anti-dry-heating electronic cigarette according to claim 1, characterized in that: the battery device further comprises a wireless transmission module used for communicating with the mobile phone, and the wireless communication unit comprises Bluetooth, WIFI or NFC.
5. The intelligent early warning system of the anti-dry-heating electronic cigarette according to claim 1, characterized in that: the alarm module is one or more of a flashing light, a buzzer and a vibration motor.
6. The intelligent early warning system of the anti-dry-heating electronic cigarette according to claim 1, characterized in that: and a temperature sensor, a voltage sensor, a current sensor and a timer which are electrically connected with the MCU are arranged in the battery device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011633629.1A CN114680396A (en) | 2020-12-31 | 2020-12-31 | Intelligent early warning system for preventing dry burning of electronic cigarette |
| PCT/CN2021/128871 WO2022142726A1 (en) | 2020-12-31 | 2021-11-05 | Intelligent early-warning system of electronic cigarette for preventing dry hit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011633629.1A CN114680396A (en) | 2020-12-31 | 2020-12-31 | Intelligent early warning system for preventing dry burning of electronic cigarette |
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| CN114680396A true CN114680396A (en) | 2022-07-01 |
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| CN202011633629.1A Pending CN114680396A (en) | 2020-12-31 | 2020-12-31 | Intelligent early warning system for preventing dry burning of electronic cigarette |
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| WO (1) | WO2022142726A1 (en) |
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| CN109588785B (en) * | 2019-01-21 | 2023-12-19 | 深圳市太美亚电子科技有限公司 | Dry heating prevention control circuit of electronic cigarette |
| CN110432548A (en) * | 2019-06-12 | 2019-11-12 | 深圳市合元科技有限公司 | Aerosol generates system |
| CN110839966B (en) * | 2019-12-04 | 2022-04-05 | 常州市派腾电子技术服务有限公司 | Liquid supply method and device |
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2020
- 2020-12-31 CN CN202011633629.1A patent/CN114680396A/en active Pending
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- 2021-11-05 WO PCT/CN2021/128871 patent/WO2022142726A1/en active Application Filing
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| CN104319732A (en) * | 2014-10-24 | 2015-01-28 | 林光榕 | Temperature control dry heating prevention electronic cigarette and temperature control method thereof |
| WO2016062168A1 (en) * | 2014-10-24 | 2016-04-28 | 林光榕 | Electronic cigarette having temperature control and dry burning prevention, and temperature control method therefor |
| WO2019033886A1 (en) * | 2017-08-15 | 2019-02-21 | 惠州市新泓威科技有限公司 | Dry-burning prevention device of electronic cigarette, and dry-burning prevention control method therefor |
| CN109805451A (en) * | 2018-12-29 | 2019-05-28 | 惠州市新泓威科技有限公司 | Invariable power anti-dry electronic cigarette and its control method |
| CN209546934U (en) * | 2018-12-29 | 2019-10-29 | 惠州市新泓威科技有限公司 | Invariable power anti-dry electronic cigarette |
| CN212036008U (en) * | 2020-03-02 | 2020-12-01 | 深圳市康特客科技有限公司 | Dry burning prevention electronic cigarette circuit and electronic cigarette |
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| WO2022142726A1 (en) | 2022-07-07 |
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