CN112335942A - Smoking state monitoring system and method for cigarette heating and non-combustion device - Google Patents
Smoking state monitoring system and method for cigarette heating and non-combustion device Download PDFInfo
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- CN112335942A CN112335942A CN202010972915.4A CN202010972915A CN112335942A CN 112335942 A CN112335942 A CN 112335942A CN 202010972915 A CN202010972915 A CN 202010972915A CN 112335942 A CN112335942 A CN 112335942A
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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
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
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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
- A24F40/20—Devices using solid inhalable precursors
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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
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
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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
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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
- A24F40/57—Temperature control
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Abstract
本发明涉及一种加热不燃烧卷烟装置抽吸状态监测系统及方法，属于加热不燃烧卷烟加热装置监测技术领域。本发明包括加热元件、测温腔、温度传感器Ⅰ、温度传感器Ⅱ、温度传感器Ⅲ、温度传感器Ⅳ、调理补偿模块、放大器、AD信号转换器、CPU控制器、LCD显示屏、通信模块。本发明根据加热不燃烧卷烟装置需要使用者小口慢吸的特点，选取抽吸时的温降作为判断指标，针对加热元件表面温度分布不均匀特性，采用多点温度检测的方法解决了由于加热元件表面温度分布不均匀导致的单点温度采集系统误差大的问题，提升了对加热不燃烧卷烟的抽吸状态及抽吸结束状态判定的精准性。
The invention relates to a system and method for monitoring the smoking state of a heat-not-burn cigarette device, and belongs to the technical field of monitoring of a heat-not-burn cigarette heating device. The invention includes a heating element, a temperature measuring cavity, a temperature sensor I, a temperature sensor II, a temperature sensor III, a temperature sensor IV, a conditioning compensation module, an amplifier, an AD signal converter, a CPU controller, an LCD display screen, and a communication module. According to the characteristics that the heat-not-burn cigarette device requires the user to take a small mouth and slowly inhale, the invention selects the temperature drop during smoking as the judgment index, and adopts the method of multi-point temperature detection to solve the problem of the heating element surface temperature distribution unevenness. The problem of large error in the single-point temperature acquisition system caused by the uneven surface temperature distribution improves the accuracy of determining the smoking state and the end state of heat-not-burn cigarettes.
Description
Technical Field
The invention relates to a smoking state monitoring system and method for a cigarette heating and non-burning device, and belongs to the technical field of monitoring of cigarette heating and non-burning devices.
Background
With the acceleration of global smoking control, tobacco products enter a new period of change and breakthrough of demand, and further the research and development of novel tobacco products (mainly including heating non-combustion cigarettes, electronic cigarettes, buccal cigarettes and the like) are promoted and accelerated. The cigarette which is not burnt by heating is an important component of a novel tobacco product, and has the advantages of small harm to consumers, small harm to the environment and high safety compared with the traditional cigarette. The smoking experience of a user depends on the cigarette heating and non-burning device to a great extent, so at present, various research institutions all aim to improve the control precision of the cigarette heating and non-burning device and the accuracy of smoking state monitoring.
The monitoring of the pumping state is favorable for manufacturers and research institutions to monitor the working state of the heating device and collect pumping parameters of different users when the heating device is used, the influence of different pumping habits on the performance of a heating element of the heating device and the temperature control precision is researched, reasonable constant-temperature heating time and pumping port number are obtained, and the overall use performance of the heating device is further improved. The judgment of the pumping ending state can effectively prevent the user from repeatedly pumping after the pumping is ended, and reduce the pumping taste of the user and waste energy. Therefore, a precise and effective method for monitoring the pumping state and the pumping completion state is urgently needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a system and a method for monitoring the smoking state of a cigarette heating and non-burning device based on multipoint temperature monitoring, and aims to solve the problems that the smoking state of the existing cigarette heating and non-burning device is low in detection precision and the smoking ending state is lack of a monitoring method. In addition, the number of the suction ports of the user is displayed in real time, and the suction end state of the user is reminded in time.
The technical scheme of the invention is as follows: a smoking state monitoring system of a cigarette heating and non-burning device comprises a heating element, a temperature measuring cavity, a temperature sensor I, a temperature sensor II, a temperature sensor III, a temperature sensor IV, a conditioning compensation module, an amplifier, an AD signal converter, a CPU controller, an LCD display screen and a communication module.
The heating element is inserted into the smoking substrate and heats the smoking substrate, and a heat source for heating the non-combustible cigarette device is arranged in the non-combustible cigarette heating device to promote the smoking substrate to decompose and generate smoke at a target temperature TConstant temperatureThe temperature of the cigarette device without burning is not smoked.
The thickness of the heating element is 0.5-0.9 mm.
The temperature measuring cavity is positioned on the heating element and is 4 cylindrical cavities with the diameter range of 0.2-0.6mm and used for placing a temperature sensor I, a temperature sensor II, a temperature sensor III and a temperature sensor IV.
And the temperature sensor I, the temperature sensor II, the temperature sensor III and the temperature sensor IV are respectively positioned in 4 temperature measuring cavities of the heating element. For obtaining the temperature T of each point of the heating element in real time1、T2、T3、T4。
The temperature sensor I, the temperature sensor II, the temperature sensor III and the temperature sensor IV are all K-type thermocouples, and the diameter range is 0.2-0.6 mm.
And the conditioning compensation module is respectively connected with the temperature sensor I, the temperature sensor II, the temperature sensor III and the temperature sensor IV. For amplifying, buffering and scaling the analog signal to be suitable for the input of the analog-to-digital converter.
The amplifier module is connected with the conditioning compensation module and used for amplifying the relatively weak analog signal output by the conditioning compensation module to a required amplitude and keeping the same with the change rule of the originally input signal.
The AD converter module is connected to the amplifier circuit 17, and is configured to sample, hold, quantize, and encode the signal processed by the amplifier module, and then convert the signal into a signal that can be identified and processed by the processor.
And the CPU controller module is connected with the AD converter module and is used for judging and processing the average value processing operation, the pumping state judging operation, the pumping port number updating operation and the pumping ending state monitoring operation.
Further, the average processing operation refers to obtaining temperature values T of temperature measuring points of the heating element by the temperature sensor I, the temperature sensor II, the temperature sensor III and the temperature sensor IV1、T2、T3、T4Averaging to obtain the average temperature T of the heating elementAre all made of，TAre all made of＝(T1+T2+T3+T4)/4。
Further, the suction state judging operation means that the temperature of the heating sheet reaches the target temperature TConstant temperatureThen, calculating the average value T of the temperature of each temperature measuring point of the heating element in real timeAre all made ofRelative target temperature TConstant temperatureReduced amplitude TDifference (D)When the temperature is less than or equal to 5 ℃ and T is less than or equal toDifference (D)When the temperature is less than or equal to 15 ℃, the cigarette heating and non-burning device is judged to be in a smoking state.
Further, the operation of updating the number of suction ports means that the number of suction ports is increased by 1 every time suction is completed.
Further, the pumping-end state monitoring operation means TDifference (D)And judging that the pumping is finished when the temperature is more than or equal to 15 ℃.
The LCD display screen module is connected with the controller module and used for displaying the number of suction ports of the heating non-combustible roll device in real time and prompting the suction ending state.
The communication module is connected with the controller module and used for communicating with the mobile phone client APP.
The using method of the smoking state monitoring system of the cigarette heating device without burning comprises the following specific steps:
step 1: and starting the heating device, and detecting the temperature value of each temperature measuring point of the heating element in real time.
Step 2: collecting temperature values of all temperature measuring points of the heating element to obtain temperature values T of all temperature measuring points1、T2、T3、T4。
Step 3: carrying out mean value processing operation on the temperature values of all temperature measuring points to obtain the average value T of the temperature of all the temperature measuring points of the heating elementAre all made of，TAre all made of＝(T1+T2+T3+T4)/4。
Step 4: judging the suction state, and calculating the average temperature T of each temperature measuring point of the heating element in real timeAre all made ofRelative target temperature TConstant temperatureReduced amplitude TDifference (D)When the temperature is less than or equal to 5 ℃ and T is less than or equal toDifference (D)When the temperature is less than or equal to 15 ℃, the cigarette heating and non-burning device is judged to be in a smoking state.
Step 5: updating the number of suction ports when T is less than or equal to 5 DEG CDifference (D)When the temperature is less than or equal to 15 ℃, the number of the suction ports is increased by 1 once, otherwise, the number of the suction ports is unchanged.
Step 6: monitoring the pumping end state, and calculating the average value T of the temperature of each temperature measuring point of the heating element in real timeAre all made ofRelative target temperature TConstant temperatureReduced amplitude TDifference (D)When T isDifference (D)And judging that the pumping is finished when the temperature is more than or equal to 15 ℃.
Step 7: when the apparatus for heating non-burning cigarettes has finished smoking, i.e. TDifference (D)When the temperature is more than or equal to 15 ℃, prompt information is sent out.
The invention has the beneficial effects that: according to the characteristic that the device for heating the non-combustible cigarettes needs small-mouth slow smoking of a user, the temperature drop during smoking is selected as a judgment index, and aiming at the characteristic that the surface temperature distribution of the heating element is uneven, the problem that the error of a single-point temperature acquisition system is large due to the fact that the surface temperature distribution of the heating element is uneven is solved by adopting a multipoint temperature detection method, and the accuracy of judging the smoking state and the smoking ending state of the non-combustible cigarettes is improved.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a schematic view of the heating element of the present invention;
fig. 3 is a system configuration diagram of the present invention.
In the figure: the device comprises a heating element 10, a temperature measuring cavity 11, temperature sensors I and II and 14, temperature sensors III and IV and 16, temperature sensors 15, an AD signal converter 17, an amplifier 18, a CPU controller 19, an LCD display screen 20 and a communication module 21.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
Example 1: as shown in figure 2, the smoking state monitoring system of the cigarette heating and non-burning device comprises a heating element 10, a temperature measuring cavity 11, a temperature sensor I12, a temperature sensor II 13, a temperature sensor III 14, a temperature sensor IV 15, a conditioning compensation module 16, an amplifier 17, an AD signal converter 18, a CPU controller 19, an LCD display screen 20 and a communication module 21.
As shown in fig. 3, the heating element 10 is inserted into a smoking substrate and heats the smoking substrate, and a heat source for heating the non-combustible cigarette device is arranged in the non-combustible cigarette heating device to promote the smoking substrate to decompose and generate smoke with a target temperature TConstant temperatureThe temperature of the cigarette device without burning is not smoked.
The thickness of the heating element 10 is 0.5-0.9 mm.
The temperature measuring cavity 11 is positioned on the heating element 10, is 4 cylindrical cavities with the diameter range of 0.2-0.6mm and is used for placing a temperature sensor I12, a temperature sensor II 13, a temperature sensor III 14 and a temperature sensor IV 15.
The temperature sensor I12, the temperature sensor II 13, the temperature sensor III 14 and the temperature sensor IV 15 are respectively positioned in the 4 temperature measuring cavities 11 of the heating element 10. For obtaining the temperature T of each point of the heating element in real time1、T2、T3、T4。
The temperature sensor I12, the temperature sensor II 13, the temperature sensor III 14 and the temperature sensor IV 15 are all K-type thermocouples, and the diameter range is 0.2-0.6 mm.
And the conditioning compensation module 16 is respectively connected with the temperature sensor I12, the temperature sensor II 13, the temperature sensor III 14 and the temperature sensor IV 15. For amplifying, buffering and scaling the analog signal to be suitable for the input of the analog-to-digital converter.
The amplifier module 17 is connected to the conditioning compensation module 16, and is configured to amplify the relatively weak analog signal output by the conditioning compensation module to a required amplitude and keep the same as the original input signal change rule.
The AD converter module 18 is connected to the amplifying circuit 17, and is configured to sample, hold, quantize, and encode the signal processed by the amplifier module, and then convert the signal into a signal that can be identified and processed by the processor.
The CPU controller module 19 is connected to the AD converter module 18, and is used for determination and processing of an average processing operation, a suction state determination operation, a suction port number update operation, and a suction end state monitoring operation.
The average processing operation refers to the temperature value T of each temperature measuring point of the heating element obtained by the temperature sensor I12, the temperature sensor II 13, the temperature sensor III 14 and the temperature sensor IV 151、T2、T3、T4Averaging to obtain the average temperature T of the heating elementAre all made of，TAre all made of＝(T1+T2+T3+T4)/4。
The suction state judgment operation means that the temperature of the heating sheet reaches the target temperature TConstant temperatureThen, calculating the average value T of the temperature of each temperature measuring point of the heating element in real timeAre all made ofRelative target temperature TConstant temperatureReduced amplitude TDifference (D)When the temperature is less than or equal to 5 ℃ and T is less than or equal toDifference (D)When the temperature is less than or equal to 15 ℃, the cigarette heating and non-burning device is judged to be in a smoking state.
The operation of updating the number of the suction ports means that the number of the suction ports is increased by 1 every time suction is completed.
The pumping-end state monitoring operation means TDifference (D)And judging that the pumping is finished when the temperature is more than or equal to 15 ℃.
The LCD display screen module 20 is connected with the controller module 19 and is used for displaying the number of suction ports of the heating non-combustible roll device in real time and prompting the suction ending state.
The communication module 21 is connected with the controller module 19 and is used for communication with the mobile phone client APP.
The using method of the smoking state monitoring system of the cigarette heating device without burning comprises the following specific steps:
step 1: and starting the heating device, and detecting the temperature value of each temperature measuring point of the heating element 10 in real time.
Step 2: collecting temperature values of all temperature measuring points of the heating element 10 to obtain temperature values T of all temperature measuring points1、T2、T3、T4。
Step 3: carrying out mean value processing operation on the temperature values of all temperature measuring points to obtain the average value T of the temperature of all the temperature measuring points of the heating element 10Are all made of，TAre all made of＝(T1+T2+T3+T4)/4。
Step 4: judging the suction state, calculating the average value T of the temperature of each temperature measuring point of the heating element 10 in real timeAre all made ofRelative target temperature TConstant temperatureReduced amplitude TDifference (D)As shown in Table 1, when T is 5 ℃ or lessDifference (D)And (4) judging that the cigarette heating and non-combustion device is smoked when the temperature is less than or equal to 15 ℃.
Specifically, after the device for heating a non-combustible cigarette completes the warm-up, the heating element is maintained at the target temperature T in a state where the device for heating a non-combustible cigarette is not smokedConstant temperatureWhen a user smokes and heats the non-burning cigarette device, continuous airflow enters the smoking substrate from the periphery of the smoking substrate, and the constant temperature of the heating element is temporarily reduced through the heating element, so that the smoking action can be monitored in real time by monitoring the temperature of the heating element in real time.
| Number of suction ports | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Temperature drop amplitude deg.C | 5.6 | 7.2 | 8.1 | 8.2 | 8.0 | 8.2 | 10.2 | 10.8 | 11.5 |
Table 1: amplitude of temperature drop of heating element during pumping
Wherein, the average temperature T of each temperature measuring point of the heating element is calculated in real timeAre all made ofRelative target temperature value TConstant temperatureIs reduced by the amplitude TDifference (D)In a smoking state of the device for heating a non-combustible cigarette, an air flow flows through the heating element, resulting in a temporary reduction in the temperature of the heating element. In one non-limiting example, the temperature drop amplitude TDifference (D)，5℃≤TDifference (D)Judging the state of suction when the temperature is less than or equal to 15 ℃.
Step 5: updating the number of suction openings when T is less than or equal to 5 DEG CDifference (D)When the temperature is less than or equal to 15 ℃, the number of the suction ports is increased by 1 once, otherwise, the number of the suction ports is unchanged.
Step 6: monitoring the pumping end state, and calculating the average value T of the temperature of each temperature measuring point of the heating element 10 in real timeAre all made ofRelative target temperature TConstant temperatureReduced amplitude TDifference (D)When T isDifference (D)And judging that the pumping is finished when the temperature is more than or equal to 15 ℃.
Step 7: when the apparatus for heating non-burning cigarettes has finished smoking, i.e. TDifference (D)When the temperature is more than or equal to 15 ℃, prompt information is sent out.
While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit and scope of the present invention.
Claims (2)
1. The utility model provides a heating non-combustible cigarette device suction state monitoring system which characterized in that: the temperature measurement device comprises a heating element (10), a temperature measurement cavity (11), a temperature sensor I (12), a temperature sensor II (13), a temperature sensor III (14), a temperature sensor IV (15), a conditioning compensation module (16), an amplifier (17), an AD signal converter (18), a CPU controller (19), an LCD display screen (20) and a communication module (21);
the heating element (10) is inserted into the smoking substrate and used for heating the smoking substrate, and a heat source of the cigarette heating and non-burning device is positioned in the cigarette heating and non-burning device;
the thickness of the heating element (10) is 0.5-0.9 mm;
the temperature measuring cavity (11) is positioned on the heating element (10) and is 4 cylindrical cavities with the diameter range of 0.2-0.6 mm;
the temperature sensor I (12), the temperature sensor II (13), the temperature sensor III (14) and the temperature sensor IV (15) are respectively positioned in 4 temperature measuring cavities (11) of the heating element (10);
the temperature sensor I (12), the temperature sensor II (13), the temperature sensor III (14) and the temperature sensor IV (15) are all K-type thermocouples, and the diameter range is 0.2-0.6 mm;
the conditioning compensation module (16) is respectively connected with a temperature sensor I (12), a temperature sensor II (13), a temperature sensor III (14) and a temperature sensor IV (15);
the amplifier module (17) is connected with the conditioning compensation module (16);
the AD converter module (18) is connected with an amplifying circuit 17;
the CPU controller module (19) is connected with the AD converter module (18);
the LCD display screen module (20) is connected with the controller module (19);
the communication module (21) is connected to the controller module (19).
2. The method of using a smoking condition monitoring system for a heated non-burning cigarette smoking device of claim 1, wherein:
step 1: the heating device is started, and the temperature value of each temperature measuring point of the heating element (10) is detected in real time;
step 2: collecting the temperature value of each temperature measuring point of the heating element (10) to obtain the temperature value T of each temperature measuring point1、T2、T3、T4；
Step 3: carrying out mean value processing operation on the temperature values of all temperature measuring points to obtain the average value T of the temperature of all the temperature measuring points of the heating element (10)Are all made of，TAre all made of＝(T1+T2+T3+T4)/4；
Step 4: a suction state judging operation of calculating the average value T of the temperature of each temperature measuring point of the heating element (10) in real timeAre all made ofRelative target temperature TConstant temperatureReduced amplitude TDifference (D)When the temperature is less than or equal to 5 ℃ and T is less than or equal toDifference (D)When the temperature is less than or equal to 15 ℃, judging that the cigarette heating and non-burning device is in a smoking state;
step 5: updating the number of suction ports when T is less than or equal to 5 DEG CDifference (D)When the temperature is less than or equal to 15 ℃, the number of the suction ports is added by 1 for one time, otherwise, the number of the suction ports is unchanged;
step 6: monitoring of the end-of-suction condition, calculating in real time the heating elements (10) eachTemperature average value T of temperature measuring pointAre all made ofRelative target temperature TConstant temperatureReduced amplitude TDifference (D)When T isDifference (D)Judging that the pumping is finished when the temperature is more than or equal to 15 ℃;
step 7: when the apparatus for heating non-burning cigarettes has finished smoking, i.e. TDifference (D)When the temperature is more than or equal to 15 ℃, prompt information is sent out.
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| CN202010972915.4A CN112335942A (en) | 2020-09-16 | 2020-09-16 | Smoking state monitoring system and method for cigarette heating and non-combustion device |
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| CN202010972915.4A CN112335942A (en) | 2020-09-16 | 2020-09-16 | Smoking state monitoring system and method for cigarette heating and non-combustion device |
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| CN115088876A (en) * | 2022-07-07 | 2022-09-23 | 中国计量大学 | An induction heating cigarette system with a temperature calibration interface and method thereof |
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