Aerosol-generating device
By rapidly heating the aerosol generation matrix using a laser heating module, the problem of long waiting time in traditional heating methods is solved, achieving the effect of instant extraction and stopping, as well as aerosol generation with good taste, thus improving the user experience.
Patent Information
- Application Number
- CN202520226106.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Existing aerosol generating devices require a long heating time, resulting in a poor user experience, and traditional heating methods cannot achieve the effect of instantaneous extraction and shutdown.
A laser heating module is used to directly heat aerosol to generate a matrix. The optical power density ranges from 0.2 to 1.0 W/mm2. The laser heating module includes a substrate and multiple laser emitting elements. It utilizes the characteristics of high laser energy density and fast power response speed to achieve rapid heating.
It achieves an instant-stop suction experience, improves the problem of scorching aerosol matrix, provides aerosol with a good taste, and greatly reduces user waiting time.
Smart Images
Figure CN223886281U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of aerosol generation technology, and in particular to an aerosol generation device. Background Technology
[0002] Currently, the heating methods for aerosol generation devices are mainly resistance heating and electromagnetic heating. The heating principle involves first providing energy to the heating element, and then transferring the heat from the heating element to the aerosol generating matrix through heat conduction to produce aerosols. However, this heating method requires a sufficient amount of time for the aerosol generating matrix to reach the appropriate temperature through heat conduction before the first suitable amount of aerosol can be obtained, resulting in a poor user experience. Utility Model Content
[0003] This application provides an aerosol generating apparatus to solve at least one of the aforementioned technical problems.
[0004] The aerosol generation apparatus of this application includes a laser heating module, which emits a laser to heat the aerosol generation matrix. The optical power density of the laser heating module acting on the aerosol generation matrix ranges from 0.2 to 1.0 W / mm². 2 .
[0005] In some embodiments, the laser wavelength emitted by the laser heating module is in the range of 600–1500 nm.
[0006] In some embodiments, the heating distance between the laser heating module and the aerosol generating matrix ranges from 2 to 6 mm.
[0007] In some embodiments, the optical power density of the laser heating module before the target time is greater than the optical power density after the target time during the suction period.
[0008] In some embodiments, the laser heating module includes a substrate and a plurality of laser emitting elements disposed on the substrate.
[0009] In some embodiments, the laser emitting element is a vertical cavity surface-emitting laser.
[0010] In some embodiments, the plurality of said laser emitting elements are arranged in a single row.
[0011] In some embodiments, the plurality of said laser emitting elements are arranged in multiple rows.
[0012] In some embodiments, the plurality of laser emitting elements are divided into multiple groups, and the multiple groups of laser emitting elements are used to emit lasers in a time-division manner to heat the aerosol generating matrix.
[0013] In some embodiments, in each group of laser emitting elements, the distance between the plurality of laser emitting elements located in the central region is greater than the distance between the plurality of laser emitting elements located in the edge region.
[0014] The aerosol generation device of this application heats the aerosol generation matrix using a laser heating module. Laser heating technology features high energy density and fast power response, allowing for rapid energy radiation to the aerosol generation matrix without the need for pre-heating the heating element, thus quickly generating aerosols without requiring long waiting times, resulting in a better user experience. Furthermore, the optical power density of the laser heating module acting on the aerosol generation matrix ranges from 0.2 to 1.0 W / mm². 2 It allows for a quick and easy suction experience, while also improving the problem of scorching in the aerosol matrix, resulting in a good-tasting aerosol.
[0015] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments or related technologies of this application, the drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort. Among them:
[0017] Figure 1 This is a schematic diagram illustrating the application scenario of the aerosol generating apparatus according to certain embodiments of this application.
[0018] Figure 2 This is a schematic diagram of the structure of an aerosol generating apparatus according to certain embodiments of this application;
[0019] Figure 3 This is a schematic diagram of the structure of a laser heating module according to certain embodiments of this application;
[0020] Figure 4 yes Figure 3 A schematic diagram of the working process of the laser heating module in the diagram;
[0021] Figure 5 This is a schematic diagram of the structure of a laser heating module according to certain embodiments of this application;
[0022] Figure 6 yes Figure 5 A schematic diagram of the working process of the laser heating module in the image.
[0023] Explanation of reference numerals in the attached figures:
[0024] Aerosol generating device 100, laser heating module 10, substrate 11, laser emitting element 12, aerosol generating matrix 20, motor 30, controller 40, battery 50. Detailed Implementation
[0025] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.
[0026] Please see Figure 1 The aerosol generating apparatus 100 of this application includes a laser heating module 10. The laser heating module 10 emits a laser to heat the aerosol generating matrix 20. The optical power density of the laser heating module 10 acting on the aerosol generating matrix 20 ranges from 0.2 to 1.0 W / mm². 2 .
[0027] The aerosol generating apparatus 100 of this application heats the aerosol generating matrix 20 using a laser heating module 10. Laser heating technology features high energy density and fast power response, allowing for rapid energy radiation to the aerosol generating matrix 20 without the need for preheating the heating element, thus quickly generating aerosols without requiring long waiting times, resulting in a better user experience. Furthermore, the optical power density of the laser heating module 10 acting on the aerosol generating matrix 20 ranges from 0.2 to 1.0 W / mm². 2 It enables a convenient and quick-to-stop suction experience, while also improving the problem of scorching in the aerosol matrix, resulting in a better-tasting aerosol.
[0028] Specifically, the aerosol generating device 100 can be a heated non-combustible appliance (HNB appliance). The laser heating module 10 is used to emit a laser to heat the aerosol generating matrix 20, thereby generating aerosols. The aerosols generated in the aerosol generating device 100 can be used for various purposes such as food, medicine, and industrial production.
[0029] The aerosol generating matrix 20 refers to the raw materials or carriers that can generate aerosols when heated. The aerosol generating matrix 20 can be solid, gel, or liquid products of heated tobacco. It is understandable that, since traditional tobacco produces a large number of harmful substances during combustion, heated tobacco, as a new type of tobacco, only requires heating a specially made cartridge to less than or close to 350°C to produce sufficient smoke. At this temperature, the production of harmful substances is significantly reduced, and compared to other e-liquid electronic cigarette products, its taste is closer to that of traditional cigarettes.
[0030] In related technologies, HNB (Heated Tobacco Bulb) devices primarily use resistance heating and electromagnetic heating. The heating principle involves first providing energy to the heating element, then transferring the heat to the cigarette through thermal conduction. This requires sufficient time for the tobacco to reach the appropriate temperature through thermal conduction before the first puff of smoke can be produced. To further reduce this waiting time and achieve an instant-stop effect (i.e., if the smoke output is fast enough, providing heating energy only during inhalation ensures sufficient smoke output, and no energy is needed when not inhaling to save energy), the heating element needs to reach a temperature of 350°C or higher within milliseconds. However, due to the inherent mass of the heating element, current technology cannot achieve such rapid heating, thus preventing the instant-stop effect.
[0031] In the embodiments of this application, laser heating technology (such as semiconductor laser heating technology) has the characteristics of high energy density, no need for the heating element to contact the cigarette through laser radiation heating, and fast laser power response speed. It can heat the cigarette to a temperature close to 350°C in a very short time (millisecond level), providing a solution for realizing instant smoking and stopping.
[0032] Research has shown that if the laser heating power density is too high, the aerosol-generating matrix can easily overheat and become scorched. If the laser heating power density is insufficient, atomization of the aerosol-generating matrix cannot be achieved in a short time.
[0033] In this embodiment, the optical power density of the laser heating module 10 is designed to be in the range of 0.2–1.0 W / mm², acting on the aerosol generation matrix 20. 2 This device can atomize the aerosol generating matrix 20 in a short time, enabling a quick and easy suction experience while mitigating the problem of scorching of the aerosol generating matrix 20, thus producing an aerosol with a good taste. Testing shows that the aerosol generating device 100 of this embodiment can rapidly raise the temperature of the aerosol generating matrix 20 to approximately 250-400°C within a 2-3 second suction period, resulting in an aerosol with a good taste.
[0034] The optical power density of the laser heating module 10 acting on the aerosol generation matrix 20 can be 0.2–1.0 W / mm². 2 Any value between these ranges. For example, the optical power density of the laser heating module 10 acting on the aerosol generating matrix 20 is 0.2 W / mm² or 0.3 W / mm². 2 0.4W / mm 2 0.5W / mm 2 0.6W / mm 2 0.7W / mm 20.8W / mm 2 0.9W / mm 2 1.0W / mm 2 wait.
[0035] It should be noted that optical power density refers to the optical power per unit area, and optical power density = total optical power / irradiated area. The optical power density of the laser heating module 10 acting on the aerosol generation matrix 20 refers to the optical power density of the laser heating module 10 acting on the surface of the aerosol generation matrix 20 to be irradiated.
[0036] like Figure 2 As shown, in addition to the laser heating module 10, the aerosol generating device 100 may also include components such as a motor 30, a controller 40, and a battery 50, which are not limited here.
[0037] The motor 30 is used to drive the laser heating module 10 or the aerosol generation matrix 20 to move, so that there is relative movement between the laser heating module 10 and the aerosol generation matrix 20. Specifically, the motor 30 can be a micro motor. The motor 30 can drive the laser heating module 10 to move, so that there is relative movement between the laser heating module 10 and the aerosol generation matrix 20; or, the motor 30 can drive the aerosol generation matrix 20 to move (e.g., ...). Figure 2 As shown, this allows relative motion between the laser heating module 10 and the aerosol generating matrix 20. In this way, the radiation pointing position of the laser heating module 10 and the aerosol generating matrix 20 can be relative to each other, allowing the laser heating module 10 to radiate to different positions on the aerosol generating matrix 20 sequentially.
[0038] The controller 40 may include control circuits and storage circuits. The controller 40 is used to control the heater 10 to heat the aerosol generating matrix 20, and to control the motor 30 to drive the laser heating module 10 or the aerosol generating matrix 20 to move.
[0039] Battery 50 can be used to power the laser heating module 10, motor 30, controller 40, etc.
[0040] The aerosol generating matrix 20 used in this embodiment is characterized by its surface being composed of a material capable of receiving laser radiation energy. Specifically, the surface of the aerosol generating matrix 20 can be made of a material with high absorption rate in the laser band. For example, the aerosol generating matrix 20 can be entirely made of a dark solid matrix, or a dark light-absorbing aluminum foil can be provided on its surface, with one side of the aluminum foil being irradiated and the other side in good contact with the aerosol generating matrix 20. After the laser heating module 10 emits a laser to irradiate the aerosol generating matrix 20, it generates an aerosol that can be drawn in by the user.
[0041] In some embodiments, the laser wavelength emitted by the laser heating module 10 is in the range of 600 to 1500 nm.
[0042] Specifically, the laser wavelength emitted by the laser heating module 10 can be any value between 600 and 1500 nm. For example, the laser wavelengths emitted by the laser heating module 10 are 600 nm, 700 nm, 800 nm, 900 nm, 1000 nm, 1100 nm, 1200 nm, 1300 nm, 1400 nm, and 1500 nm. Since the laser wavelength emitted by the laser heating module 10 is in the aforementioned near-infrared band, the laser can interact well with matter, producing an effective heating effect while maintaining high safety. Preferably, the laser wavelength range emitted by the laser heating module 10 is 750–950 nm. Within this wavelength range, the laser exhibits better performance in terms of penetration and absorption efficiency.
[0043] In some embodiments, the heating distance between the laser heating module 10 and the aerosol generating matrix 20 ranges from 2 to 6 mm.
[0044] Specifically, the heating distance between the laser heating module 10 and the aerosol generating matrix 20 can be any value between 2 and 6 mm. For example, the heating distance between the laser heating module 10 and the aerosol generating matrix 20 can be 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, etc.
[0045] It should be noted that the heating distance between the laser heating module 10 and the aerosol generating matrix 20 refers to the distance between the laser heating module 10 and the surface of the aerosol generating matrix 20 to be irradiated. It is understood that laser light will diffuse to some extent during transmission. By meeting the aforementioned heating distance range, the laser can maintain a good focused state, ensuring that energy is concentratedly transferred to the aerosol generating matrix 20, achieving rapid and uniform heating, avoiding excessive diffusion leading to energy loss, and also preventing the aerosol generating matrix 20 from scorching due to excessively close proximity.
[0046] In some embodiments, the optical power density of the laser heating module 10 before the target time is greater than the optical power density after the target time during the suction time period.
[0047] Specifically, before the target time within the suction period, the laser heating module 10 heats the aerosol-generating matrix 20 with a first optical power density. After the target time within the suction period, the laser heating module 10 heats the aerosol-generating matrix 20 with a second optical power density. The first optical power density is greater than the second optical power density. Taking a suction period of 2.5 seconds as an example, in the initial 1 second, a relatively high optical power density, such as 0.7 W / mm², is used. 2The aerosol was heated to generate a matrix 20; in the following 1.5 seconds, the optical power density was gradually reduced to 0.3 W / mm². 2 , heating aerosols to generate matrix 20.
[0048] In this embodiment, the optical power density is adjusted according to the suction time, with a higher optical power density in the initial period and a lower optical power density in the later period. The higher optical power density in the initial period heats the aerosol generating matrix 20 to the target temperature (e.g., around 350°C) at the target time, enabling the aerosol generating device 100 to quickly produce smoke. The lower optical power density in the later period maintains the aerosol generating matrix 20 at the target temperature (e.g., around 350°C), thereby mitigating the problem of scorching of the aerosol generating matrix 20 during the suction period.
[0049] Please see Figure 3 and Figure 5 In some embodiments, the laser heating module 10 includes a substrate 11 and a plurality of laser emitting elements 12 disposed on the substrate 11.
[0050] Specifically, the substrate 11 can be a ceramic substrate. The ceramic substrate has good thermal conductivity and insulation properties, effectively dissipating the heat generated by the laser emitting element 12, extending the service life of the laser emitting element 12, and ensuring the stable operation of the laser heating module 10. Multiple laser emitting elements 12 are arranged on the substrate 11 in a specific configuration. The multiple laser emitting elements 12 can be connected in series, parallel, or series-parallel configurations. The multiple laser emitting elements 12 work together to ensure a smoke volume of approximately 3.0 mg during single-port suction.
[0051] In some embodiments, the laser emitting element 12 is a vertical-cavity surface-emitting laser (VCSEL).
[0052] In this embodiment, a VCSEL is used as the laser emitting element 12. The surface laser emitted by the VCSEL irradiates the aerosol generating matrix 20 after passing through a certain heating distance, thereby heating the aerosol generating matrix 20.
[0053] VCSELs offer numerous advantages, including high efficiency, low power consumption, vertical emission, ease of integration, and long lifespan. They can convert electrical energy into light energy, enabling precise control and focusing of lasers while maintaining a small size and low power consumption. Furthermore, they are easily integrated into the laser heating module 10, providing an efficient, stable, and reliable solution for laser heating technology.
[0054] Please see Figure 3In some embodiments, multiple laser emitting elements 12 are arranged in a single row. The multiple laser emitting elements 12 are divided into multiple groups, which are used to emit lasers in a time-division manner to heat the aerosol-generating matrix 20.
[0055] Specifically, such as Figure 3 As shown, the laser heating module 10 includes a substrate 11 and a plurality of laser emitting elements 12 disposed on the substrate 11. The substrate 11 is a ceramic substrate, and the number of laser emitting elements 12 is 12. The 12 laser emitting elements 12 are arranged in a single row on the substrate 11.
[0056] Please combine Figure 4 The initial spot of the laser emitting element 12 is denoted as A, with a size of 1.06mm*1.06mm. After a heating distance of 2.50mm and a divergence angle of about 10°, the spot irradiating the aerosol generating matrix 20 is denoted as B, with a size increased to 1.94mm*1.94mm.
[0057] The six upper laser emitting elements 12 form a group to generate the upper half-region light spot B1. The six lower laser emitting elements 12 form a group to generate the lower half-region light spot B2. The overall size of each group of light spots is 1.94mm*12.24mm. Multiple groups of light spots irradiate the aerosol generation matrix 20 in a time-division manner, producing approximately 3.0mg of aerosol.
[0058] Taking a suction time of 2.5 seconds as an example, in the initial 1 second, the total optical power of the laser heating module 10 is 17W, and the irradiated area is 1.94 * 1.94 * 6 = 22.58 mm. 2 The optical power density is 0.75 W / mm². 2 In the following 1.5 seconds, the total optical power of the laser heating module 10 decreased to 8W, and the optical power density was adjusted to 0.35W / mm². 2 .
[0059] It should be noted that the multiple laser emitting elements 12 can also be divided into two, three or more groups, which is not limited here. Each group of laser emitting elements 12 is used to heat the aerosol generating matrix 20 to generate the aerosol required for one suction.
[0060] Please see Figure 5 In some embodiments, multiple laser emitting elements 12 are arranged in multiple rows. The multiple laser emitting elements 12 are divided into multiple groups, and the multiple groups of laser emitting elements 12 are used to emit lasers in a time-division manner to heat the aerosol generating matrix 20.
[0061] Specifically, such as Figure 5As shown, the laser heating module 10 includes a substrate 11 and a plurality of laser emitting elements 12 disposed on the substrate 11. The substrate 11 is a ceramic substrate, and the number of laser emitting elements 12 is 24. The 24 laser emitting elements 12 are arranged in double rows on the substrate 11. Compared with the single-row arrangement design, the double-row arrangement can reduce the optical power density of a single laser emitting element 12, which is beneficial to achieving temperature uniformity of the overall light spot.
[0062] Please combine Figure 6 The initial spot of the laser emitting element 12 is denoted as A. After a heating distance of 2.50 mm and a divergence angle of about 10°, the spot that irradiates the aerosol generating matrix 20 is denoted as B, and its size is enlarged to 1.38*1.48 mm.
[0063] The top 12 laser emitting elements 12 are grouped together to generate the upper half-region light spot B1. The bottom 12 laser emitting elements 12 are grouped together to generate the lower half-region light spot B2. The overall size of each group of light spots is 10.18mm*3.48mm. Multiple groups of light spots irradiate the aerosol generation matrix 20 in a time-division manner, producing approximately 3.0mg of aerosol.
[0064] Taking a suction time of 2.5 seconds as an example, in the initial 1 second, the total optical power of the laser heating module 10 is 15.5W, and the irradiated area is 1.38 * 1.48 * 12 = 24.50 mm. 2 The optical power density is 0.63 W / mm². 2 In the following 1.5 seconds, the total optical power of the laser heating module 10 decreased to 8W, and the optical power density was adjusted to 0.32W / mm². 2 .
[0065] It should be noted that the multiple laser emitting elements 12 can also be divided into two, three or more groups, which is not limited here. Each group of laser emitting elements 12 is used to heat the aerosol generating matrix 20 to generate the aerosol required for one suction.
[0066] Please see Figure 5 and Figure 6 In some embodiments, in each group of laser emitting elements 12, the distance between multiple laser emitting elements 12 located in the central region is greater than the distance between multiple laser emitting elements 12 located in the edge region.
[0067] Specifically, to avoid excessively high temperatures in the middle area, the laser heating module 10 is positioned along its length (e.g., ...). Figure 5 and Figure 6In the vertical direction (of the image), multiple laser emitting elements 12 can be arranged at unequal intervals. For each group of laser emitting elements 12, the distance between two adjacent laser emitting elements 12 in the central region is 1.90 mm, and the distance between two adjacent laser emitting elements 12 in the edge region is 1.70 mm. This can achieve overall temperature uniformity of the aerosol generation matrix 20 irradiated by the entire upper half of the light spot B1 (or upper half of the light spot B2).
[0068] In summary, the aerosol generating apparatus 100 of this application heats the aerosol generating matrix 20 using a laser heating module 10. Laser heating technology features high energy density and fast power response, allowing for rapid energy radiation to the aerosol generating matrix 20 without the need for prior heating of the heating element, thus quickly generating aerosols without requiring long waiting times, resulting in a better user experience. Furthermore, the optical power density of the laser heating module 10 acting on the aerosol generating matrix 20 ranges from 0.2 to 1.0 W / mm². 2 It enables a convenient and quick-to-stop suction experience, while also improving the problem of scorching in the aerosol matrix, resulting in a better-tasting aerosol.
[0069] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.
[0070] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0071] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0072] The foregoing disclosure provides many different embodiments or examples for implementing different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described above. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials.
[0073] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," and "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with an embodiment or example that are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0074] Although embodiments of this application have been shown and described above, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.
Claims
1. An aerosol generating device, characterized in that, The aerosol generating device includes a laser heating module, which emits a laser to heat the aerosol generating matrix. The optical power density of the laser heating module acting on the aerosol generating matrix ranges from 0.2 to 1.0 W / mm². 2 .
2. The aerosol generating apparatus according to claim 1, characterized in that, The laser wavelength range emitted by the laser heating module is 600–1500 nm.
3. The aerosol generating apparatus according to claim 1, characterized in that, The heating distance between the laser heating module and the aerosol generating matrix ranges from 2 to 6 mm.
4. The aerosol generating apparatus according to claim 1, characterized in that, The optical power density of the laser heating module before the target time is greater than the optical power density after the target time during the suction period.
5. The aerosol generating apparatus according to claim 1, characterized in that, The laser heating module includes a substrate and a plurality of laser emitting elements disposed on the substrate.
6. The aerosol generating apparatus according to claim 5, characterized in that, The laser emitting element is a vertical cavity surface-emitting laser.
7. The aerosol generating apparatus according to claim 5, characterized in that, The laser emitting elements are arranged in a single row.
8. The aerosol generating apparatus according to claim 5, characterized in that, The laser emitting elements are arranged in multiple rows.
9. The aerosol generating apparatus according to claim 5, characterized in that, The multiple laser emitting elements are divided into multiple groups, and the multiple groups of laser emitting elements are used to emit lasers in a time-division manner to heat the aerosol to generate a matrix.
10. The aerosol generating apparatus according to claim 9, characterized in that, In each group of laser emitting elements, the distance between the laser emitting elements located in the central region is greater than the distance between the laser emitting elements located in the edge region.