Atomization equipment control method and atomization equipment

Abstract

The invention discloses an atomization equipment control method and atomization equipment. The method comprises the following steps: in response to a suction action of a user, controlling a heating element of the atomization equipment to start a heating operation; when the duration of the suction action is smaller than a single-port heating duration threshold value, a heating element of the atomization equipment is controlled to conduct heating till the suction action is finished; and when the duration of the suction action reaches the single-port heating duration threshold value, a heating element of the atomization equipment is controlled to stop heating operation. The device can be used for solving the problem of discharging aerosol to the surrounding environment when the atomization equipment is used.

Description

Technical Field

[0001] This application relates to the field of electronic atomization technology, and in particular to an atomization device control method and an atomization device. Background Technology

[0002] The potential impact of aerosols generated during the use of atomizing devices on the public environment and the health of surrounding people is receiving increasing attention.

[0003] In related technologies, an aerosol purification device is installed in the airway of the atomizing device to filter and absorb the aerosols exhaled by the user, thereby reducing the amount of aerosols emitted into the surrounding environment.

[0004] However, aerosol purification devices increase the suction resistance during use, leading to a decline in the suction experience; at the same time, aerosol purification devices also absorb flavoring components and active substances such as nicotine from aerosols, which in turn affects the suction taste. Summary of the Invention

[0005] This application provides a method for controlling an atomizing device and an atomizing device, which can reduce the amount of aerosol emitted into the surrounding environment during the use of the atomizing device without affecting the vaping experience.

[0006] In one embodiment, a method for controlling an atomizing device is provided, the method comprising: In response to the user's inhalation action, the heating element of the atomizing device is controlled to start the heating operation; When the duration of the suction action is less than the single-port heating duration threshold, the heating element of the atomizing device is controlled to heat until the suction action ends. When the duration of the suction action reaches the single-port heating duration threshold, the heating element of the atomizing device is controlled to stop heating.

[0007] In some embodiments, the method further includes: A fixed preset threshold value within the range of 1 to 5 seconds is used as the single-port heating duration threshold; or... Record the actual suction duration of each user's multiple suction actions; The average suction time per mouth is calculated based on all the actual suction times and the total number of suction actions. The single-port heating time threshold is calculated based on the average single-port suction time, wherein the single-port heating time threshold is less than the average single-port suction time.

[0008] In some embodiments, the single-port heating duration threshold is T. heat The average suction time per port is T. ave ; The step of calculating the single-port heating time threshold based on the average single-port suction time includes: Let T heat =T ave -Δt; where Δt is a preset time difference value, and the preset time difference value Δt ranges from 0.1s to 0.5s; or, The step of calculating the single-port heating time threshold based on the average single-port suction time includes: Let T heat =T ave ·k; where k is a preset proportionality coefficient, and the preset proportionality coefficient ranges from 0.7 to 0.95.

[0009] In some embodiments, the recording of the actual inhalation duration of each of the user's multiple inhalation actions includes: controlling the atomizing device to be in learning mode for the first N ports of initial use, where N is a positive integer and N≥3; In the learning mode, the single-port heating time threshold is a preset maximum safe heating time. When the user's inhalation action begins, the heating element of the atomizing device is controlled to start the heating operation until the inhalation action ends or the maximum safe heating time is reached, and the actual inhalation time of each inhalation action of the user is recorded.

[0010] In some embodiments, the method further includes: controlling the atomizing device to be in a personalized mode starting from port N+1; The average suction time per port in the learning mode is calculated based on the actual suction time of N ports recorded in the learning mode. The single-port heating duration threshold calculated in the learning mode is used as the single-port heating duration threshold in the personalized mode.

[0011] In some embodiments, controlling the heating element of the atomizing device to start the heating operation includes controlling the power output to the heating element to be no higher than 8W.

[0012] In one embodiment, an atomizing device is provided, including an atomizing component, a liquid storage tank, and a controller. The atomizing component includes a heating element, and the liquid storage tank is used to store an aerosol generation matrix. The heating element is used to perform a heating operation to heat and atomize the aerosol generating matrix to generate aerosols. The controller is used to implement the method as described in any of the above embodiments when executing.

[0013] In some embodiments, the atomizing device is provided with an atomizing air passage and an air outlet. The atomizing air passage connects the atomizing component and the air outlet, so that the aerosol generated by heating and atomizing the atomizing component is output through the air outlet; The suction resistance through the air outlet is configured to be less than 300 Pa.

[0014] In some embodiments, the atomizing device is provided with an air inlet, and the atomizing air passage extends from the air inlet to the air outlet and connects the air inlet and the air outlet; The minimum cross-sectional area of ​​the air inlet perpendicular to the air intake direction is greater than 5 mm²; and / or, The atomizing air passage is configured as a straight cylinder; and / or, The air inlet is configured as a straight cylindrical first through hole; the atomizing component is disposed downstream of the air inlet along the airflow direction, and the atomizing component is configured with a straight cylindrical air guide channel; a straight cylindrical main air pipe is disposed downstream of the airflow direction of the air guide channel; the air outlet is disposed downstream of the airflow direction of the main air pipe; the first through hole, the air guide channel, and the main air pipe are coaxially arranged.

[0015] In some embodiments, the aerosol generating matrix contains no glycerol or contains less than 5 parts by weight; The aerosol-generating matrix contains more than 80 parts of propylene glycol; or, The aerosol generating matrix comprises 10-50 parts propylene glycol and 10-70 parts water; or... The aerosol generating matrix comprises 10-50 parts propylene glycol, 10-50 parts polyethylene glycol, and 10-70 parts water; or... The aerosol generating matrix contains 50-80 parts water and 10-30 parts ethanol.

[0016] In this embodiment, the atomizing device initiates a heating operation in response to a user's inhalation action. When the duration of the inhalation action is less than a single-inhalation heating time threshold, the heating element of the atomizing device is controlled to heat until the inhalation action ends. When the duration of the inhalation action reaches the single-inhalation heating time threshold, the heating element of the atomizing device stops heating. When the heating element of the atomizing device starts heating, the aerosol generating matrix is ​​atomized by the heat generated, thereby generating aerosol. When the duration of the user's inhalation action is less than the single-inhalation heating time threshold, the heating operation of the heating element is stopped at the end of the inhalation action. When the duration of the user's inhalation action reaches the single-inhalation heating time threshold, the heating operation of the heating element is stopped, thus roughly controlling the maximum amount of aerosol that can be generated per inhalation, allowing the user to inhale most or almost all of the aerosol generated within the duration of the single-inhalation heating time threshold. By stopping the heating operation at the above two time points, the generation of additional aerosols can be limited, ensuring that the generated aerosols are fully inhaled by the user, reducing the amount of overflowing aerosols, and avoiding the impact of aerosols on surrounding people and the environment. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a flowchart of the steps of a control method for an atomizing device according to this application; Figure 2 This is a timing diagram of the heating element of an atomizing device according to this application. Figure 3 This is a structural block diagram of an atomizing device according to this application; Figure 4 This is a cross-sectional structural diagram of an atomizing device according to this application; Figure 5 This is a visible aerosol concentration comparison chart from this application.

[0019] Figure label: 10-Air inlet; 20-Atomizing component; 30-Liquid storage tank; 40-Atomizing air passage; 50-Air outlet; 11-First through hole; 21-Heating element; 22-Liquid guiding element; 23-Air guiding channel; 41-Main air pipe. Detailed Implementation

[0020] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0021] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, the term "and / or" in the specification and claims is used to describe the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, and B alone. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship. In the embodiments of this application, the term "multiple" refers to two or more, and other quantifiers are similar.

[0022] The methods provided in this application will be described in detail below with reference to the accompanying drawings, through specific embodiments and application scenarios.

[0023] Reference Figure 1 The diagram illustrates a flowchart of a method for controlling an atomizing device according to this application. This method may include the following steps: Step 101: In response to the user's inhalation action, control the heating element of the atomizing device to start the heating operation.

[0024] Among them, atomizing equipment is a device that can atomize an aerosol generating matrix to generate aerosols. The function of atomizing equipment is to present liquid substances in an aerosol form that is easier for the human body to inhale or for use in specific scenarios. It is widely used in medical, consumer and other fields.

[0025] Atomizing devices can detect a user's inhalation action using a suction sensor and, in response to the electrical signal generated by the sensor, control the heating element of the atomizing device. The main function of the suction sensor is to monitor changes in the gas within the airway of the atomizing device in real time and to identify whether the user has initiated an inhalation action through dynamic fluctuations in gas parameters. To ensure sensitivity and accuracy, the suction sensor can employ a highly sensitive miniature airflow sensing element or a miniature air pressure sensing element. These sensing elements can capture airflow / pressure fluctuations caused by negative pressure in the oral cavity during inhalation: when the user holds the air outlet in their mouth and begins to inhale, a localized negative pressure forms within the airway of the atomizing device, causing airflow to flow from the outside to the inside. At this time, the suction sensor can capture in real time changes in parameters such as increased airflow intensity, changes in airflow direction, and decreased air pressure. When the detected changes in airflow intensity or air pressure reach a preset threshold, it is determined that an inhalation action has begun, and a trigger signal is sent to the controller of the atomizing device to control the heating element to start the heating operation.

[0026] The heating element is a key component in an atomizing device that converts electrical energy into heat energy. The working principle of the heating element is based on Joule's law, which states that heat is generated when an electric current passes through a conductor. In an atomizing device, the heating element primarily heats the matrix from which the aerosol is to be generated. By controlling the heating element to initiate the heating process, the atomizing device begins atomization, producing the atomized aerosol. For example, the heating power of the heating element can be set to less than 8W, such as 6W, to prevent the atomizing device from generating excessive aerosol during the heating process, thus helping the user to inhale as little aerosol as possible.

[0027] When a user touches the atomizing device and begins to inhale, the air pressure inside the atomizing device decreases. The inhalation sensor detects this pressure change and converts the physical signal into an electrical signal, which is then transmitted to the controller of the atomizing device. Upon receiving the electrical signal, the atomizing device immediately powers on the heating element to raise its temperature, causing the aerosol-generating matrix in the atomizing device to be heated and atomized in a short time, forming an aerosol that can be inhaled by the user. The entire response process is usually completed in a short time, ensuring the synchronization between the user's inhalation action and the atomization generation.

[0028] The high sensitivity of the suction sensor ensures that the atomizing device responds instantly to the user's inhalation action, allowing the heating element of the atomizing device to start working the moment the user begins to inhale, reducing the user's waiting time and enabling precise matching of aerosol generation with the user's inhalation, thus improving the smoothness of the user's inhalation experience.

[0029] Step 102: When the duration of the suction action is less than the single-port heating duration threshold, control the heating element of the atomizing device to heat until the suction action ends.

[0030] Step 103: When the duration of the suction action reaches the single-port heating duration threshold, control the heating element of the atomizing device to stop heating.

[0031] Reference Figure 2 The diagram illustrates the heating timing of the heating element in an atomizing device according to this application. At time T0, the atomizing device's suction sensor detects the start of the user's suction action. Simultaneously, the atomizing device immediately controls the circuit of the heating element to connect. When current flows through the resistive heating element, the heating element generates heat, thereby causing the aerosol generation matrix to generate aerosol. At time T1, the duration of the user's suction action reaches the single-port heating duration threshold, and the heating element of the atomizing device stops heating, i.e., the circuit controlling the heating element of the atomizing device is closed. At time T2 (not shown in the diagram), the user's suction action ends. It can be understood that T2 can be earlier than, equal to, or later than T1.

[0032] The time period from T0 to T1 is the single-port heating time threshold, representing the maximum heating time of the heating element in the atomizing device. For example, the single-port heating time threshold can be set to a fixed duration, such as 1.5 seconds, making it less than the average single-port inhalation time for a typical user. During the time period from T0 to T1, when current passes through the heating element of the atomizing device, the heating element generates heat, causing the aerosol matrix to generate an aerosol for the user to inhale.

[0033] After the heating operation stops, the user can inhale the aerosol remaining in the atomizing device and inhale as much of the aerosol remaining in the user's mouth as possible into the lungs. This minimizes the amount of aerosol that overflows when the user uses the atomizing device, achieving a smokeless effect. Consequently, very little or no aerosol is emitted into the air, greatly reducing the impact on the surrounding people and environment.

[0034] When T2 is earlier than T1, meaning the duration of the user's inhalation is less than the single-inhalation heating time threshold, the atomizing device stops heating when it reaches T2. During the time interval from T2 to T1, the heating element of the atomizing device does not operate, resulting in less aerosol generation and preventing the production of unnecessary or excess aerosol. Therefore, the user can fully inhale the aerosol generated during the time interval from T0 to T1, achieving minimal or almost no aerosol leakage.

[0035] When T2 is later than or equal to T1, that is, when the duration of the user's inhalation action reaches the single-inhalation heating duration threshold, the heating element of the atomizing device is controlled to stop heating. This ensures that the atomizing device will not perform heating operations during the period from T1 to T2, thus ensuring that the user can fully inhale the aerosol generated by the heating operation during the time period from T0 to T1, and preventing excess aerosol or aerosol leakage.

[0036] In this embodiment, the atomizing device responds to the user's inhalation action. When the duration of the inhalation action is less than a single-inhalation heating time threshold, the heating element of the atomizing device is controlled to heat until the inhalation action ends. When the duration of the inhalation action reaches the single-inhalation heating time threshold, the heating element of the atomizing device stops heating. When the heating element of the atomizing device starts heating, the aerosol generating matrix is ​​atomized by the heat generated, thereby generating aerosol. When the duration of the user's inhalation action is less than the single-inhalation heating time threshold, the heating operation of the heating element is stopped at the end of the inhalation action. When the duration of the user's inhalation action reaches the single-inhalation heating time threshold, the heating operation of the heating element is stopped, thus roughly controlling the maximum amount of aerosol that can be generated per inhalation, allowing the user to inhale most or almost all of the aerosol generated within the duration of the single-inhalation heating time threshold. By stopping the heating operation at the above two time points, the generation of additional aerosols can be limited, ensuring that the generated aerosols are fully inhaled by the user, reducing the amount of overflowing aerosols, and avoiding the impact of aerosols on the surrounding population and environment.

[0037] In some embodiments, the method may further include: Step 104: Use a fixed preset threshold value within 1 to 5 seconds as the single-port heating duration threshold.

[0038] or, Step 105: Record the actual suction duration of each of the user's multiple suction actions.

[0039] Step 106: Calculate the average suction time per breath based on all actual suction times and the total number of suction actions.

[0040] Step 107: Calculate the single-port heating time threshold based on the single-port average suction time, wherein the single-port heating time threshold is less than the single-port average suction time.

[0041] Regarding step 104, the single-port heating time threshold can be any fixed value within the range of 1 to 5 seconds, such as 3 seconds or 5 seconds. By setting a fixed preset threshold, the complexity of configuring the atomizing device can be reduced, which helps to reduce costs.

[0042] For steps 105-107, the single-port heating time threshold can also be determined based on the user's average single-port suction time, and the single-port heating time threshold is less than the average single-port suction time.

[0043] The average inhalation time per breath represents the average duration of a single inhalation action performed by the user. For example, when a user first uses the nebulizer, the number of inhalations (n) can be recorded for the initial few inhalations, and the actual inhalation time for each inhalation can be recorded sequentially. These n actual inhalation times can be denoted as t1, t2, ..., t... n Then, the average suction time T per breath can be calculated based on the total number of suctions by the user and the sum of the corresponding actual suction times. ave :

[0044] For example, a user performs 5 sucks, and the actual sucking time for each suck is recorded sequentially. These 5 sucking times are denoted as t1, t2, t3, t4, and t5, where t1 = 2s, t2 = 2.2s, t3 = 2.4s, t4 = 2.6s, and t5 = 2.8s. Then, based on the total number of sucks and the sum of their corresponding actual sucking times, the average sucking time per suck is calculated. That is, the average sucking time per suck for these 5 sucks is:

[0045] In this embodiment, due to the inherent differences in inhalation habits among different users, some users have shorter single-inhalation times while others have relatively longer ones. Therefore, setting a fixed threshold for single-inhalation heating time makes it difficult to consider the actual needs of all types of users. This may lead to some users experiencing insufficient aerosol inhalation or excessive aerosol residue in the aerosol device due to the heating time not matching their own inhalation habits. Therefore, steps 105-107, by recording the actual duration of multiple inhalations by each user, can understand the inhalation rhythm and duration characteristics of each user. The average single-inhalation time calculated based on these actual inhalation times can reflect the user's personalized usage habits. Based on the calculated average single-inhalation time, the single-inhalation heating time threshold can be obtained, ensuring that the preset heating time matches the user's actual inhalation time. For users with longer single-inhalation times, the preset heating time can be extended accordingly to ensure sufficient aerosol generation for initial inhalation; for users with shorter single-inhalation times, the preset heating time can be appropriately shortened to avoid excessive aerosol generation due to excessive heating time. This dynamic adaptation mechanism allows atomizing devices to move beyond uniform, fixed parameters and control heating strategies based on individual user habits. This ensures that different users can achieve full aerosol inhalation and minimized exhalation during use, guaranteeing vaping satisfaction for all users while optimizing performance. It enhances the adaptability of atomizing devices to diverse user needs, thereby improving the personalized user experience.

[0046] The single-port heating duration threshold is configured to be less than the average single-port inhalation duration to ensure that users can fully inhale the aerosol generated by the atomizer each time they use it.

[0047] In some embodiments, the single-port heating duration threshold is T. heat The average suction time per port is T. ave ; Step 106 may specifically include sub-step 1061: Sub-step 1061, let T heat =T ave -Δt; where Δt is a preset time difference value, and the preset time difference value Δt ranges from 0.1s to 0.5s.

[0048] In this embodiment of the application, the user's actual suction time is recorded in step 103 and the average suction time T per breath is calculated in step 104. ave Then, you can follow the formula: T heat =T ave -Δt, calculate the single-port heating duration threshold T heatThe preset time difference Δt is limited to the range of 0.1s to 0.5s. For example, if the user's average single-pass suction time T... ave Given a time interval of 2.5s and a selection of Δt = 0.3s, the threshold value for single-port heating time T for this user is determined. heat =2.5s - 0.3s = 2.2s, ensuring that the single-port heating time threshold is always slightly shorter than the user's average single-port suction time. By controlling the preset time difference Δt within a reasonable range, the problem of excessive deviation between the single-port heating time threshold and the actual suction time can be avoided, ensuring the single-port heating time threshold T is within a reasonable range. heat Always consistently slightly less than T ave This ensures that during this time difference, the user inhales clean air that does not carry new aerosols. This clean air can carry away all the aerosols remaining in the airway of the nebulizer, as well as those remaining in the user's mouth, and deliver them deep into the lungs, thereby minimizing the amount of aerosols exhaled by the user and avoiding the impact of aerosols on the surrounding people and environment.

[0049] Alternatively, step 106 may specifically include sub-step 1062: Sub-step 1062, let T heat =T ave ·k; where k is a preset scaling factor, and the preset scaling factor k ranges from 0.7 to 0.95.

[0050] In this embodiment of the application, the user's actual suction time is recorded in step 103 and the average suction time T per breath is calculated in step 104. ave Then, you can follow the formula: T heat =T ave ·k, calculate the single-port heating duration threshold T heat The preset proportional coefficient k is limited to the range of 0.7 to 0.95. For example, if the user's average single-pass suction time T... ave Given a time limit of 3 seconds and k=0.9, the single-port heating duration threshold T for this user is determined. heat =3s·0.9=2.7s, ensuring that the single-port heating time threshold is always slightly shorter than the user's average single-port suction time. By controlling the preset proportional coefficient k within a reasonable range, the problem of excessive deviation between the single-port heating time threshold and the actual suction time can be avoided, ensuring the single-port heating time threshold T... heat Always consistently slightly less than T aveThis ensures that during this time difference, the user inhales clean air that does not carry new aerosols. This clean air can carry away all the aerosols remaining in the airway of the nebulizer, as well as those remaining in the user's mouth, and deliver them deep into the lungs. This minimizes the amount of aerosols the user exhales, achieving the effect of not exhaling aerosols, and thus avoiding the impact of aerosols on the surrounding people and environment.

[0051] Furthermore, by setting a reasonable range for the preset time difference Δt and the preset proportional coefficient k, it is possible to ensure that users have enough time to engulf the residual aerosols with clean air, thereby engulfing all the residual aerosols into the body. At the same time, it is possible to avoid insufficient aerosol generation due to insufficient heating time, thus balancing the need for low emissions with the user's inhalation experience, thereby improving the personalized adaptability and ease of use of the atomizing device.

[0052] In some embodiments, step 105 may specifically include: Sub-step 1051: In the initial use, the N ports control the atomizing device to be in learning mode, where N is a positive integer and N≥3; Sub-step 1052: In learning mode, the single-port heating time threshold is the preset maximum safe heating time; when the user's inhalation action begins, the heating element of the atomizing device is controlled to start the heating operation until the inhalation action ends or the maximum safe heating time is reached, and the actual inhalation time of each inhalation action of the user is recorded.

[0053] In the process of obtaining the single-port heating duration threshold, a learning mode can be used to record the actual suction duration of each suction action by the user. By collecting the actual suction duration data from the first N ports, a sample representing the user's personal habits can be obtained, laying the foundation for subsequent calculation of the average suction duration per port and derivation of the single-port heating duration threshold. Compared with directly using a fixed threshold, this method can significantly improve the matching degree of subsequent control parameters to the individual user, thereby improving the experience.

[0054] In learning mode, a preset maximum safe heating time (e.g., 8 seconds) is used as the upper limit of the heating operation duration. This can prevent the atomizing device from overheating or producing an off-flavor due to excessive heating time, thus ensuring the safety and stable taste of the atomizing device.

[0055] Using N≥3 can avoid random deviations caused by abnormal single suction action, ensuring that the subsequent calculated average suction time and single-port heating time threshold are more stable and reliable.

[0056] In some embodiments, the method may further include: The atomizing device is controlled to be in personalized mode starting from port N+1; The average suction time per port in the learning mode is calculated based on the actual suction time of N ports recorded in the learning mode. The single-port heating duration threshold calculated in the learning mode is used as the single-port heating duration threshold in the personalized mode.

[0057] Based on the actual inhalation time recorded in the learning mode, the average inhalation time per port is obtained, and then the single-port heating time threshold in the learning mode is obtained. Thus, the single-port heating time threshold obtained in the learning mode can be used as the single-port heating time threshold in the personalized mode, and the atomizing device can be controlled accordingly.

[0058] The personalized mode generates a single-port heating duration threshold that better suits user habits based on the data collected in the learning mode, and uses the single-port heating duration threshold as the upper limit of the heating operation duration. For users with shorter suction times, the personalized mode will obtain a relatively shorter single-port heating duration threshold to avoid unnecessary heating by the heating component. For users with longer suction times, the personalized mode will obtain a relatively longer single-port heating duration threshold to ensure that users can continuously suction and obtain aerosols.

[0059] In some embodiments, step 101 may specifically include: Sub-step 1011: Control the power output to the heating element to be no higher than 8W.

[0060] Since higher heating power generates more aerosols within a limited time period, this embodiment further controls the overall aerosol generation by controlling the maximum power output to the heating element. This further achieves minimal or almost no aerosol leakage.

[0061] In this embodiment, the atomizing device responds to the user's inhalation action. When the duration of the inhalation action is less than the single-inhalation heating time threshold, the heating element of the atomizing device is controlled to heat until the inhalation action ends. When the duration of the inhalation action reaches the single-inhalation heating time threshold, the heating element of the atomizing device stops heating. When the heating element of the atomizing device starts heating, the aerosol generating matrix is ​​atomized by the heat generated, thereby generating aerosol. When the duration of the user's inhalation action is less than the single-inhalation heating time threshold, the heating operation of the heating element is stopped at the end of the inhalation action. When the duration of the user's inhalation action reaches the single-inhalation heating time threshold, the heating operation of the heating element is stopped, thus roughly controlling the maximum amount of aerosol that can be generated per inhalation, allowing the user to inhale most or almost all of the aerosol generated within the duration of the single-inhalation heating time threshold. By stopping the heating operation at the above two time points, the generation of additional aerosols can be limited, ensuring that the generated aerosols are fully inhaled by the user, reducing the amount of overflowing aerosols, and avoiding the impact of aerosols on the surrounding population and environment.

[0062] In one embodiment, this application also provides an atomizing device, referring to... Figure 3 and Figure 4 , Figure 3 A structural block diagram of an atomizing device according to this application is shown. Figure 4 This invention illustrates a cross-sectional structural diagram of an atomizing device, which includes an atomizing component 20, a liquid storage tank 30, and a controller. Figure 4 (Not shown in the figure) The atomizing component 20 includes a heating element 21, a liquid storage tank 30 for storing the aerosol generation matrix; the heating element 21 is used to perform a heating operation to heat and atomize the aerosol generation matrix to generate aerosol; and a controller is used to implement the atomizing device control method as described in the foregoing embodiment.

[0063] In some embodiments, the atomizing device further includes a suction sensor for detecting the user's suction action.

[0064] In one embodiment, the heating element is a resistance heating element, such as a nickel-chromium alloy wire, a heating plate, or a ceramic heating core. Furthermore, the atomizing assembly 20 may also include a liquid guiding element 22. The heating element 21 is integrated into the atomizing assembly 20 and can be in close contact with the liquid guiding element 22. The liquid guiding element 22 is mostly made of porous fiber material or ceramic material. The heating element 21 and the liquid guiding element 22 are immersed in the aerosol generating matrix of the liquid storage chamber 30, which can continuously deliver the aerosol generating matrix to the surface of the heating element 21, ensuring that the aerosol generated by heating can enter the atomizing air passage 40 with the airflow. The liquid storage chamber 30 is arranged around the atomizing assembly 20, which can provide a stable aerosol generating matrix for the atomizing assembly 20, ensuring that the atomization process continues. The suction sensor can be set around the air outlet 50. Other related content can be referred to in step 101 above, and will not be repeated here.

[0065] In some embodiments, refer to Figure 4 The atomizing device is equipped with an atomizing air channel 40 and an air outlet 50. The atomizing air channel 40 is connected to the atomizing component 20 and the air outlet 50, so that the aerosol generated by heating and atomizing the atomizing component 20 is output through the air outlet 50. The suction resistance of the atomizing component 20 is configured to be less than 300Pa.

[0066] The aerosol generated by the atomizing component 20 can be output to the air outlet along the atomizing air passage 40 of the atomizing device. The user can inhale the generated aerosol by holding the air outlet 50 in their mouth and sucking it in.

[0067] In the nebulizer, the suction resistance through the air outlet 50 is controlled below 300Pa. This low suction resistance allows users to easily and deeply inhale directly. Users do not need to exert excessive force when inhaling; they can use natural inhalation to drive the airflow efficiently through the nebulizer component 20, smoothly bringing the heated aerosol into the lungs. This reduces the respiratory burden during inhalation, avoids chest tightness or fatigue caused by excessive suction resistance, and allows the aerosol to make more full contact with the respiratory tract, enhancing the fullness of the taste experience.

[0068] In some embodiments, the atomizing device is provided with an air inlet 10, and an atomizing air passage 40 extends from the air inlet 10 to the air outlet and connects the air inlet 10 and the air outlet; the cross-sectional area of ​​the air inlet 10 is greater than 5 mm²; and / or, the atomizing air passage 40 is configured as a straight cylinder; and / or, the air inlet 10 is configured as a straight cylinder first through hole 11; an atomizing component 20 is provided downstream of the air inlet 10 along the airflow direction, and the atomizing component 20 is provided with a straight cylinder air guide channel; a straight cylinder main air pipe 41 is provided downstream of the airflow direction of the air guide channel 23; an air outlet 50 is provided downstream of the airflow direction of the main air pipe 41; the first through hole 11, the air guide channel 23, and the main air pipe 41 are coaxially arranged.

[0069] The atomizing device can be configured with an air inlet 10 and an atomizing air duct 40 extending from the air inlet 10 to the air outlet, and connecting the air inlet 10 and the air outlet. This allows the user to inhale fresh air through the air inlet 10 and deliver the aerosol remaining in the atomizing air duct 40 into the user's mouth through the fresh air.

[0070] In this embodiment, the cross-sectional area of ​​the air inlet 10 is greater than 5 mm², which ensures that sufficient air can smoothly enter the interior of the atomizing device from the outside, providing a sufficient air source for airflow circulation. For example, the cross-sectional area of ​​the air inlet 10 is designed to be 8 mm². This size will not allow external impurities to easily enter the atomizing air passage 40 due to an excessively large opening, while still meeting the requirements for a large flow of air.

[0071] The atomizing airway 40 can adopt a straight cylindrical design to minimize bends. This straight cylindrical structure avoids additional resistance caused by bends in the airflow path during circulation, thus minimizing airflow obstruction and improving airflow efficiency within the atomizing airway 40. The straight cylindrical atomizing airway 40 also reduces the residence time of airflow within it, lowering the probability of aerosol adhesion to the inner wall of the atomizing airway 40, further reducing aerosol residue. This allows users to obtain a purer, more uniform aerosol with each inhalation, while also providing a stable airflow environment for the suction sensor to accurately detect airflow changes, avoiding misjudgments or response delays caused by excessive airflow fluctuations.

[0072] For example, the inner diameter of the atomizing airway 40 can be set to 4mm; the atomizing airway 40 can be set with a gentle bend angle near the air outlet 50 or the suction sensor, rather than a sharp right angle or acute angle bend. This design can not only adapt to the overall appearance and structural layout of the device, but also minimize airflow resistance and ensure that the user can quickly inhale the aerosol.

[0073] The air inlet 10 can be a straight cylindrical structure with both ends connected, i.e., the first through hole 11. The first through hole 11 is the initial channel for external clean air to enter the atomizing device, allowing the external clean air flow to enter the atomizing device stably. The atomizing component 20 is arranged downstream of the air inlet 10 along the airflow direction. The atomizing component 20 can be configured with an air guide channel 23, which can also be straight cylindrical and its diameter is adapted to the first through hole 11. The main air pipe 41 of the atomizing air passage 40 is arranged downstream of the air guide channel 23 in the airflow direction. Similarly, the main air pipe 41 can be straight cylindrical and its diameter is adapted to the air guide channel 23. The air outlet 50 is arranged downstream of the main air pipe 41 in the airflow direction, serving as the final interface for the user's inhalation.

[0074] External air can enter through the first through hole 11 of the air inlet 10 and flow through the air guide channel 23 of the atomizing component 20. The heating element 21 in the atomizing component is energized and heats up, heating and atomizing the aerosol generation matrix to be atomized by the liquid guiding element 22 to generate aerosol. The formed aerosol enters the main air channel 41 of the atomizing air channel 40 with the airflow and is finally inhaled by the user through the air outlet 50.

[0075] The interconnected design of the atomizing component ensures that after the airflow enters from the air inlet 10, it can flow through the atomizing component 20 in a stable and smooth manner, fully mix with the generated aerosol, and then concentrate the aerosol to the air outlet 50 for rapid delivery to the user's mouth.

[0076] In this embodiment, the first through hole 11, the air guide channel 23, and the main air pipe 41 are coaxially arranged to form a straight airflow channel. This reduces airflow resistance and turbulence, ensuring smooth airflow during inhalation and enhancing the user's inhalation experience. The interconnected design of the atomizing airway 40 concentrates the atomized aerosol towards the mouthpiece, reducing aerosol residue inside the atomizing device. Simultaneously, the elongated cylindrical structure reduces aerosol condensation loss during transport, ensuring more effective aerosol is inhaled by the user. The integrated layout of the liquid storage tank 30 and the atomizing component 20 shortens the aerosol transport path, reducing aerosol loss during transport. Furthermore, the efficient adsorption capacity of the liquid guiding element 22 reduces the risk of leakage, improving the safety of the atomizing device. With sufficient air intake through the air inlet 10, and the cooperation of the low-resistance airway consisting of the first through hole 11, the air guide channel 23, and the main air tube 41, clean air can carry away the aerosols remaining in the nebulizer. This achieves deep lung inhalation while ensuring that the aerosols in the central main airway nebulizer 40 are fully brought into the body, reducing exhaled residue and taking into account both comfortable inhalation and low emissions.

[0077] In some embodiments, the aerosol generating matrix contains no glycerol or contains less than 5 parts by weight; the aerosol generating matrix contains more than 80 parts of propylene glycol; or the aerosol generating matrix contains 10-50 parts of propylene glycol and 10-70 parts of water; or the aerosol generating matrix contains 10-50 parts of propylene glycol, 10-50 parts of polyethylene glycol and 10-70 parts of water; or the aerosol generating matrix contains 50-80 parts of water and 10-30 parts of ethanol.

[0078] In the aerosol generating matrix, glycerol can be removed or its mass fraction reduced to below 5%, meaning that the aerosol generating matrix contains no glycerol or has a glycerol content of less than 5 parts by mass. The significance of this configuration is that it reduces the amount of visible aerosol generated without compromising the aerosol's flavor, thus ensuring that users can inhale all the generated aerosols and avoid the formation of excess aerosols.

[0079] In aerosol formulation design, propylene glycol (PG) can be used. PG has significant differences in physical properties compared to glycerol (VG), a common component in traditional aerosol generating matrices. These differences directly determine the amount of visible aerosol generated after atomization. Glycerol (VG), a common component of traditional aerosols, has inherent characteristics of high viscosity and high boiling point. During heating and atomization, its high viscosity makes it difficult to diffuse rapidly and uniformly on the surface of the heating element. Furthermore, due to strong intermolecular forces and high surface tension, it easily forms large droplets during atomization, typically with a diameter of 5-10 micrometers. Simultaneously, glycerol (VG)'s extremely strong hygroscopic properties cause the atomized droplets to rapidly absorb moisture from the air, further increasing their volume and promoting aggregation, ultimately forming a dense, clearly visible smoke. In contrast, propylene glycol (PG) has low viscosity and high fluidity, which allows it to spread rapidly and evenly when in contact with heating elements, avoiding uneven droplet size caused by local overheating. The low surface tension of propylene glycol (PG) results in finer droplets after atomization, mostly with a diameter of 1 to 3 micrometers. The molecular structure of propylene glycol (PG) is highly stable and does not easily aggregate in the air due to water absorption or collision. These fine and dispersed aerosol particles are almost indistinguishable to the naked eye after diffusing in the air, thus cutting off the basis for the formation of visible smoke from the source of the matrix formulation, thereby reducing the basis for the formation of visible smoke from the source.

[0080] Reference Figure 4 This paper presents a visible aerosol concentration comparison chart based on the present application. The testing principle of this chart is based on the theory of optical scattering and absorption. By quantitatively analyzing the change in light intensity after a beam of light passes through aerosols, the actual concentration of smoke can be reflected. In the specific testing process, a red light source with a wavelength of 660 nm is used. When a stable red light beam passes through a gaseous environment containing aerosols, the particles in the aerosols have a dual effect on the light: on the one hand, the particles change the direction of light propagation, forming a scattering effect; on the other hand, some light is absorbed by the particles, leading to energy loss in the beam. These two effects together significantly reduce the transmitted light intensity compared to the incident light intensity. According to the Lambert-Beer law, in a homogeneous medium, the ratio of the transmitted light intensity after penetrating smoke to the incident light intensity has a logarithmic linear relationship with the smoke concentration; that is, the higher the smoke concentration, the more significant the reduction in transmitted light intensity, and the smaller the ratio. Based on this principle, the amount of light absorbed after the light beam passes through the aerosol, i.e. the degree of light intensity reduction, can be directly used to characterize the smoke concentration by measuring the amount of light absorbed after the light beam passes through the aerosol using professional testing equipment: the greater the amount of light absorbed, the more numerous and larger the particles in the aerosol that can affect visible light, and the stronger the visual concentration of the smoke; conversely, the smaller the amount of light absorbed, the fewer the visible particles, and the thinner or even invisible the smoke.

[0081] The test conditions were set in a cycle of 2 seconds of inhalation followed by 10 seconds of pause to simulate the smoke generation and diffusion process in real-world usage scenarios. (Refer to...) Figure 4 When a mixture of propylene glycol (PG) and water is used for aerosols, the aerosol concentration is significantly reduced. In the test, the absorbance of the PG / water mixture was not only much lower than that of the PG / glycerol (VG) mixture, but also lower than that of pure propylene glycol (PG). The test results demonstrate that introducing ultrapure water without glycerol (VG) can further reduce the formation of visible particles, making aerosols harder to detect with the naked eye and achieving the effect of making exhaled aerosols invisible, effectively avoiding the impact of aerosols on surrounding people and the environment.

[0082] Based on the above-mentioned glycerol content configuration, the aerosol generating matrix can also be configured as follows: by mass parts, the propylene glycol content in the aerosol generating matrix is ​​greater than 80 parts; The aerosol-generating matrix can primarily use propylene glycol (PG) as a solvent, with a content greater than 80%. In addition to the aforementioned solvent, the aerosol-generating matrix also contains appropriate amounts of nicotine, as well as flavorings, cooling agents, and sweeteners to produce a specific taste. Using this formulation, the concentration of visible aerosols produced is low, easily achieving the effect of invisible exhaled aerosols.

[0083] The aerosol-generating matrix contains 10-50 parts propylene glycol and 10-70 parts water; In a specific example, aerosols may use 55% propylene glycol (PG), 35% ultrapure water, 1% nicotine, and flavorings, sweeteners, cooling agents, and other ingredients to help produce a specific taste.

[0084] The aerosol generating matrix contains 10-50 parts propylene glycol, 10-50 parts polyethylene glycol, and 10-70 parts water; The aerosol-generating matrix can be a mixed solution of propylene glycol (PG), polyethylene glycol 200 (PEG200), and ultrapure water; wherein the content of propylene glycol (PG) ranges from 10% to 50%, the content of polyethylene glycol 200 (PEG200) ranges from 10% to 50%, and the content of ultrapure water ranges from 10% to 70%. In addition to the above solvents, the aerosol-generating matrix also contains appropriate amounts of nicotine, as well as flavorings, cooling agents, and sweeteners to produce a specific taste. Using this formulation, the concentration of visible aerosols produced is lower, making it easier to achieve the effect of invisible exhaled aerosols.

[0085] The aerosol-generating matrix contains 50-80 parts water and 10-30 parts ethanol.

[0086] The aerosol-generating matrix can also be a mixed solution of ethanol and ultrapure water; wherein the content of ultrapure water ranges from 50% to 80%, and the content of ultrapure water ranges from 10% to 30%. In addition to the above solvents, the aerosol-generating matrix also contains appropriate amounts of nicotine, as well as flavorings, cooling agents, and sweeteners to produce a specific taste. Since ethanol evaporates into a colorless gas, this formulation produces a lower concentration of visible aerosols, making it easier to achieve the effect of invisible exhaled aerosols.

[0087] In this embodiment, by employing a glycerol-free (VG) formulation and utilizing the low viscosity and low surface tension of propylene glycol (PG), the basis for the formation of large droplets can be reduced from the source. Combined with the introduction of ultrapure water or polyethylene glycol (PEG), the fineness and dispersibility of the atomized particles can be further optimized. Test data shows that the absorbance of the propylene glycol (PG) and water mixture is significantly lower than that of the propylene glycol (PG) and glycerol (VG) mixture, and superior to the pure propylene glycol (PG) formulation. This demonstrates that the design effectively reduces the concentration of visible aerosols, making exhaled aerosols less visible to the naked eye, achieving an invisible exhaled aerosol effect, reducing interference with surrounding people and environmental impact, and improving user privacy and social acceptance. Meanwhile, the well-balanced proportion of propylene glycol (PG) in the formula ensures effective dissolution and delivery of nicotine, satisfying users' vaping needs. The addition of ultrapure water adjusts the atomization efficiency of the aerosol-generating matrix, reducing the irritation of the vapor and resulting in a smoother taste. Flavorings, cooling agents, and other auxiliary ingredients enrich the vaping flavor, catering to diverse taste preferences. Furthermore, this formulation system offers flexible adjustment options; optimizing the component ratios can achieve low-vapor characteristics, adapting to different users' preferences for vapor volume and taste. The glycerol-free (VG) formulation reduces the viscosity of the aerosol-generating matrix, minimizing the risk of residue and clogging in the reservoir, atomizing channels, and heating elements. This extends the cleaning cycle and lifespan of the atomizing device, reducing maintenance costs and minimizing taste degradation caused by aerosol-generating matrix residue, thus improving the long-term stability of the product.

[0088] In this embodiment, the atomizing device detects the initiation of a user's inhalation action using a suction sensor. When the duration of the inhalation action is less than a single-inhalation heating time threshold, the heating element of the atomizing device is controlled to heat until the inhalation action ends. When the duration of the inhalation action reaches the single-inhalation heating time threshold, the heating element of the atomizing device stops heating. When the heating element of the atomizing device starts heating, the aerosol generating matrix is ​​atomized by the heat generated, thereby generating aerosol. When the duration of the user's inhalation action is less than the single-inhalation heating time threshold, the heating operation of the heating element is stopped at the end of the inhalation action. When the duration of the user's inhalation action reaches the single-inhalation heating time threshold, the heating operation of the heating element is stopped, thus roughly controlling the maximum amount of aerosol that can be generated per inhalation, allowing the user to inhale most or almost all of the aerosol generated within the duration of the single-inhalation heating time threshold. By stopping the heating operation at the above two time points, the generation of additional aerosols can be limited, ensuring that the aerosols generated at the stop are fully inhaled by the user, reducing the amount of overflowing aerosols, and avoiding the impact of aerosols on surrounding people and the environment.

[0089] It should be noted that all information and data obtained in the embodiments of this application were obtained with the authorization of the information / data holder.

[0090] Numerous specific details are set forth in the specification provided herein. However, it will be understood that embodiments of this application may be practiced without these specific details. In some embodiments, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification.

[0091] Similarly, it should be understood that, for the purpose of simplification and aiding understanding of one or more aspects of the application, various features of the application are sometimes grouped together in a single embodiment, figure, or description thereof in the above description of exemplary embodiments of the application. However, this disclosure should not be construed as reflecting an intention that the claimed application requires more features than expressly recited in each claim. Rather, as reflected in the following claims, the application aspect comprises fewer than all features of a single foregoing disclosed embodiment. Therefore, the claims following the detailed description are hereby expressly incorporated into that detailed description, wherein each claim itself is a separate embodiment of the application.

[0092] Those skilled in the art will understand that modules in the device of the embodiments can be adaptively changed and placed in one or more devices different from that embodiment. Modules, units, or components in the embodiments can be combined into a single module, unit, or component, and further, they can be divided into multiple sub-modules, sub-units, or sub-components. Except where at least some of such features and / or processes or units are mutually exclusive, any combination can be used to combine all features disclosed in this specification (including the accompanying claims, abstract, and drawings) and all processes or units of any method or device so disclosed. Unless expressly stated otherwise, each feature disclosed in this specification (including the accompanying claims, abstract, and drawings) may be replaced by an alternative feature that serves the same, equivalent, or similar purpose.

[0093] It should be noted that the above embodiments are illustrative of this application and not restrictive, and that those skilled in the art can devise alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses should not be construed as limiting the claims. The word "comprising" does not exclude the presence of elements or steps not listed in the claims. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. This application can be implemented by means of hardware comprising several different elements and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by the same item of hardware. The use of the words first, second, and third, etc., does not indicate any order. These words can be interpreted as names.

[0094] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. An atomization device control method, characterized by, The method comprises: in response to a puffing action of a user, controlling a heating element of the atomization device to start a heating operation; when a duration of the puffing action is less than a single-puff heating duration threshold, controlling the heating element of the atomization device to heat until the puffing action ends; when the duration of the puffing action reaches the single-puff heating duration threshold, controlling the heating element of the atomization device to stop the heating operation.

2. The method of claim 1, wherein, The method further comprises: using a fixed preset threshold value within 1-5s as the single-puff heating duration threshold; or, recording actual puffing durations of each of multiple puffing actions of a user; calculating a single-puff average puffing duration according to all the actual puffing durations and a total number of the puffing actions; calculating the single-puff heating duration threshold according to the single-puff average puffing duration, wherein the single-puff heating duration threshold is less than the single-puff average puffing duration.

3. The method of claim 2, wherein, The single-puff heating duration threshold is T heat , and the single-puff average puff duration is T ave ; The single-mouth heating duration threshold is calculated according to the single-mouth average puffing duration, comprising: T heat =T ave -Δt; wherein, the Δt is a preset time difference value, the preset time difference value Δt ranges from 0.1s to 0.5s; or, The single-puff heating duration threshold is calculated according to the single-puff average puffing duration, including: T heat =T ave ·k; wherein, the k is a preset proportion coefficient, and the preset proportion coefficient k ranges from 0.7 to 0.

95.

4. The method according to claim 2 or 3, characterized in that, The recording of the actual puffing durations of each of multiple puffing actions of a user comprises: controlling the atomization device to be in a learning mode for the first N puffs, wherein N is a positive integer and N≥3; in the learning mode, the single-puff heating duration threshold is a preset maximum safe heating duration; when a puffing action of a user starts, controlling the heating element of the atomization device to start a heating operation until the puffing action ends or the maximum safe heating duration is reached, and recording the actual puffing duration of each puffing action of the user.

5. The method of claim 4, wherein, The method further comprises: controlling the atomization device to be in a personalized mode from the N+1th puff onwards; calculating the single-puff average puffing duration in the learning mode according to the actual puffing durations of the N puffs recorded in the learning mode; and using the single-puff heating duration threshold calculated in the learning mode as the single-puff heating duration threshold in the personalized mode.

6. The method of claim 1, wherein, The controlling of the heating element of the atomization device to start a heating operation comprises controlling the power output to the heating element to be no higher than 8W.

7. An atomising device characterised in that, The atomization device comprises an atomization assembly, a liquid storage tank, and a controller, the atomization assembly comprises a heating element, and the liquid storage tank is used to store an aerosol generating substrate, the heating element is used to perform a heating operation to heat and atomize the aerosol generating substrate to generate an aerosol; the controller is used to implement the method according to any one of claims 1 to 6.

8. The atomizing device of claim 7, wherein, The atomization device is provided with an atomization air channel and an air outlet, the atomization air channel is in communication with the atomization assembly and the air outlet, so as to output the aerosol generated by the atomization of the atomization assembly through the air outlet; wherein the suction resistance through the air outlet is configured to be less than 300Pa.

9. The atomizing device of claim 8, wherein, The atomization device is provided with an air inlet, and the atomization air channel extends from the air inlet to the air outlet and is in communication with the air inlet and the air outlet; the minimum cross-sectional area of the air inlet perpendicular to the air inlet direction is greater than 5mm²; and / or, the atomization air channel is configured to be a straight cylinder; and / or, The air inlet is provided as a first through hole in a straight cylinder shape; the air inlet is provided downstream in the airflow direction with the atomization assembly, which is provided with a straight cylinder-shaped air guide channel; the air guide channel is provided downstream in the airflow direction with a straight cylinder-shaped main air pipe; the main air pipe is provided downstream in the airflow direction with the air outlet; the first through hole, the air guide channel and the main air pipe are coaxially arranged.

10. The atomizing device of claim 7, wherein, The aerosol-generating substrate contains no glycerol or less than 5 parts of glycerol by mass; The aerosol-generating substrate contains more than 80 parts of propylene glycol; or The aerosol-generating substrate contains 10-50 parts of propylene glycol, 10-70 parts of water; or The aerosol-generating substrate contains 10-50 parts of propylene glycol, 10-50 parts of polyethylene glycol, and 10-70 parts of water; or The aerosol-generating substrate contains 50-80 parts of water and 10-30 parts of ethanol.

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