Matrix, atomizing core and aerosol forming device

Abstract

The application provides a substrate, an atomization core and an aerosol forming device. The substrate is used in the atomization core, and the substrate has a liquid absorption surface and an atomization surface. The liquid absorption surface is provided with a liquid storage groove, and the bottom wall of the liquid storage groove is provided with at least one liquid guide groove extending towards the atomization surface. The bottom wall of the liquid guide groove is spaced apart from the atomization surface. At least one liquid guide groove extending towards the atomization surface is arranged on the bottom wall of the liquid storage groove, so that the liquid substrate stored in the liquid storage groove can flow into the liquid guide groove. Since the liquid guide groove extends towards the atomization surface, the distance between the liquid substrate and the atomization surface can be reduced. Compared with the related art in which the liquid substrate is transmitted from the inside of the substrate to the atomization surface, the arrangement of the liquid guide groove can improve the liquid guiding speed and the liquid guiding amount. In summary, the substrate provided by the application can improve the liquid guiding speed and the liquid guiding amount by arranging the liquid guide groove, avoid dry burning of the heating element to cause suction of the wick, and improve the service life of the substrate.

Description

Technical Field

[0001] This application belongs to the field of aerosol generation technology, specifically relating to a matrix, atomizing core, and aerosol forming apparatus. Background Technology

[0002] An aerosol forming device is a device that converts a liquid matrix into an aerosol for inhalation or use. The atomizing core, as a crucial component of the aerosol forming device, typically transfers the liquid matrix from the storage chamber to the heating element via its matrix, where it is heated and atomized to form an aerosol. However, existing matrix-based liquid transfer methods are relatively slow, leading to dry burning of the heating element and resulting in matrix clogging. Summary of the Invention

[0003] In view of this, the first aspect of this application provides a substrate for an atomizing core, the substrate having a liquid-absorbing surface and an atomizing surface, the liquid-absorbing surface having a liquid storage tank, the bottom wall of the liquid storage tank having at least one liquid guiding groove extending toward the atomizing surface, the bottom wall of the liquid guiding groove being spaced apart from the atomizing surface.

[0004] The substrate provided in the first aspect of this application achieves the purpose of storing liquid matrix by setting a liquid storage tank on the liquid absorption surface. Furthermore, at least one liquid guiding channel extending towards the atomizing surface can be provided on the bottom wall of the liquid storage tank, allowing the liquid matrix stored in the liquid storage tank to flow into the liquid guiding channel. Since the liquid guiding channel extends towards the atomizing surface, the distance between the liquid matrix and the atomizing surface can be reduced, i.e., the distance the liquid matrix travels within the substrate can be reduced. Compared to related technologies where the liquid matrix is ​​transported from inside the substrate to the atomizing surface, the liquid guiding channel increases the liquid guiding speed and volume. In addition, since the bottom wall of the liquid guiding channel is spaced apart from the atomizing surface, in other words, the liquid guiding channel is a tank structure, and can also be used to store liquid matrix, increasing the storage capacity of the liquid matrix.

[0005] In summary, the substrate provided in this application can improve the liquid guiding speed and volume by setting a liquid guiding groove, avoid dry burning of the heating element which would lead to core clogging during suction, and improve the service life of the substrate.

[0006] The atomizing surface has a first area corresponding to the bottom wall of the liquid storage tank and a second area surrounding the periphery of the first area. When there are multiple liquid guiding channels, there are a first liquid guiding channel and a second liquid guiding channel. The first liquid guiding channel extends to the first area and is correspondingly arranged thereto, and the second liquid guiding channel extends to the second area and is correspondingly arranged thereto.

[0007] The sidewall of the second liquid guiding groove is bent toward the atomizing surface.

[0008] Wherein, the distance between the bottom wall of the first liquid guiding groove and the atomizing surface is equal to the distance between the bottom wall of the second liquid guiding groove and the atomizing surface.

[0009] The ratio of the diameter of the first liquid guiding groove to the diameter of the second liquid guiding groove is 1:(1-2).

[0010] The bottom wall of the liquid storage tank protrudes away from the atomizing surface. The bottom wall of the liquid storage tank includes multiple sub-bottom walls that are bent and connected. The distance between the bends of the multiple sub-bottom walls and the atomizing surface is greater than the distance between the bends of the sub-bottom walls and the side walls of the liquid storage tank and the atomizing surface. The first liquid guiding channel and the second liquid guiding channel are disposed on the sub-bottom walls, and the second liquid guiding channel is farther away from the bends of the multiple sub-bottom walls than the first liquid guiding channel.

[0011] A second aspect of this application provides an atomizing core, the atomizing core including a substrate provided in the first aspect of this application and a heating element disposed on the atomizing surface of the substrate.

[0012] The atomizing core provided in the second aspect of this application, by adopting the substrate provided in the first aspect of this application, can improve the liquid guiding speed and liquid guiding volume, avoid the atomizing core from clogging during suction, and improve the suction life of the atomizing core.

[0013] The atomizing surface has a first area corresponding to the bottom wall of the liquid storage tank and a second area surrounding the periphery of the first area. When there are multiple liquid guiding channels, there are a first liquid guiding channel and a second liquid guiding channel. The first liquid guiding channel extends to the first area and is correspondingly arranged thereto, and the second liquid guiding channel extends to the second area and is correspondingly arranged thereto. The heating element includes a first part and a second part connected to each other. The first part is located in the first area, and the second part is located in the second area. The resistance of the second part is less than the resistance of the first part.

[0014] The first part has a first central area, the second part has a second central area, the bottom wall of the first liquid guiding channel corresponds to the first central area, and the bottom wall of the second liquid guiding channel corresponds to the second central area.

[0015] A third aspect of this application provides an aerosol forming apparatus, including an atomizing component and a battery component connected together. The atomizing component includes the atomizing core provided in the second aspect of this application. The heating element of the atomizing core is electrically connected to the battery component, and the battery component is capable of providing electrical energy to the heating element.

[0016] The aerosol forming apparatus provided in the third aspect of this application, by adopting the atomizing core provided in the second aspect of this application, can provide oil guiding speed and oil guiding volume, avoid clogging of the atomizing core during suction, and improve suction life. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the embodiments of this application will be described below.

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the substrate in one embodiment of this application.

[0019] Figure 2 for Figure 1 The top view of the substrate shown.

[0020] Figure 3 for Figure 1 A schematic diagram of the cross-section of the substrate is shown.

[0021] Figure 4 This is a cross-sectional schematic diagram of the substrate in another embodiment of this application.

[0022] Figure 5 This is a cross-sectional schematic diagram of the substrate in another embodiment of this application.

[0023] Figure 6 This is a cross-sectional schematic diagram of the substrate in another embodiment of this application.

[0024] Figure 7 This is a cross-sectional schematic diagram of the atomizing core in one embodiment of this application.

[0025] Figure 8 This is a top view of an aerosol forming apparatus according to one embodiment of this application.

[0026] Figure 9 for Figure 8 An exploded view of the aerosol forming apparatus shown.

[0027] Figure 10 for Figure 8 A schematic cross-sectional view of the aerosol forming apparatus shown.

[0028] Label Explanation:

[0029] Aerosol forming apparatus-1, atomizing component-1a, battery assembly-1b, atomizing core-10', substrate-10, liquid absorption surface-101, atomizing surface-102, first zone-1021, second zone-1022, liquid storage tank-110, first bottom wall-1100, sub-bottom wall-1100', liquid guiding channel-120, first liquid guiding channel-121, second bottom wall-1210, second liquid guiding channel-122, third bottom wall-1220, heating element-20, first part-2 1. First central area - 210, Second part - 22, Second central area - 220, Oil tank - 30, First end - 31, First opening - 310, Second end - 32, Second opening - 320, Liquid storage chamber - 33, Nozzle - 34, Support - 40, Liquid guide hole - 41, Exhaust hole - 42, Atomizing chamber - 43, Air guide tube - 50, Air guide channel - 51, Base - 60, First electrode - 71, Second electrode - 72, Body - 80, Battery - 81, Circuit board - 82. Detailed Implementation

[0030] The following are preferred embodiments of this application. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of this application, and these improvements and modifications are also considered to be within the scope of protection of this application.

[0031] Please refer to this as well. Figures 1-3 , Figure 1 This is a schematic diagram of the three-dimensional structure of the substrate in one embodiment of this application. Figure 2 for Figure 1 The top view of the substrate shown. Figure 3 for Figure 1 The diagram shows a cross-sectional view of the substrate. The substrate 10 provided in this embodiment is used for an atomizing core. The substrate 10 has a liquid absorption surface 101 and an atomizing surface 102. The liquid absorption surface 101 is provided with a liquid storage tank 110. The bottom wall of the liquid storage tank 110 is provided with at least one liquid guiding groove 120 extending toward the atomizing surface 102. The bottom wall of the liquid guiding groove 120 is spaced apart from the atomizing surface 102.

[0032] The substrate 10 provided in this embodiment is mainly used in the atomizing core of an aerosol forming device to realize the transfer of liquid matrix. For example, the substrate 10 has a liquid absorption surface 101 and an atomizing surface 102, wherein the liquid absorption surface 101 is subsequently used to correspond to the liquid storage chamber 33, and the liquid matrix stored in the liquid storage chamber 33 can be transferred to the liquid absorption surface 101. The liquid absorption surface 101 absorbs the liquid matrix and transfers the liquid matrix inside the substrate 10 to the atomizing surface 102, so that the heating element disposed on the atomizing surface 102 can heat and atomize it. Optionally, the substrate 10 includes, but is not limited to, absorbent cotton, porous ceramics, porous metals, porous glass, or other porous structures that can absorb liquid matrix. Optionally, the porosity of the substrate 10 is 35-65%, and the pore size is 15-35 μm, which allows the liquid matrix to be transferred well from the liquid absorption surface 101 of the substrate 10 to the atomizing surface 102.

[0033] Furthermore, this embodiment is only illustrated with the liquid absorption surface 101 and the atomizing surface 102 being arranged opposite each other; in other embodiments, the liquid absorption surface 101 and the atomizing surface 102 may be arranged adjacent to each other. Additionally, this embodiment is only illustrated with the substrate 10 having a stepped structure, i.e., the liquid absorption surface 101 of the substrate 10 is narrower, and the atomizing surface 102 of the substrate 10 is wider. In other embodiments, the substrate 10 may also be rectangular or other shapes.

[0034] A liquid storage tank 110 can be provided on the liquid absorption surface 101 to store the liquid matrix from the liquid storage chamber 33. This embodiment does not limit the shape of the liquid storage tank 110; for example, the shape of the liquid storage tank 110 can be circular, triangular, square, polygonal, etc. This embodiment only illustrates a square liquid storage tank 110. Furthermore, at least one liquid guiding channel 120 extending towards the atomizing surface 102 can be provided on the bottom wall of the liquid storage tank 110. In other words, the bottom wall of the liquid storage tank 110 is not a complete bottom wall; it has holes that extend towards the atomizing surface 102 to form the liquid guiding channel 120. Thus, when the liquid in the liquid storage chamber 33 enters the liquid storage tank 110, due to gravity, the liquid matrix will settle on the bottom wall of the liquid storage tank 110. However, since at least one liquid guiding channel 120 is provided on the bottom wall of the liquid storage tank 110, the liquid matrix on the bottom wall will flow into the liquid guiding channel 120. Since the liquid guiding groove 120 extends toward the atomizing surface 102, the distance between the liquid matrix and the atomizing surface 102 can be reduced, that is, the distance the liquid matrix travels within the substrate 10 can be reduced. Compared to the related art where the liquid matrix is ​​transported from inside the substrate 10 to the atomizing surface 102, the liquid guiding groove 120 in this embodiment can improve the liquid guiding speed and the liquid guiding volume. In addition, since the bottom wall of the liquid guiding groove 120 is spaced apart from the atomizing surface 102, that is, the bottom wall of the liquid guiding groove 120 does not penetrate the atomizing surface 102, in other words, the liquid guiding groove 120 is a groove structure, and the liquid guiding groove 120 also has a bottom wall, which can also be used to store the liquid matrix, thereby increasing the storage capacity of the liquid matrix.

[0035] In summary, the substrate 10 provided in this embodiment can improve the liquid guiding speed and volume by setting the liquid guiding groove 120, avoid the heating element from dry burning and thus prevent the suction core from sticking, improve the service life of the substrate 10, and improve the suction experience.

[0036] Optionally, the extension direction of the liquid guiding groove 120 may be perpendicular to the atomizing surface 102, or it may form a certain angle with the atomizing surface 102.

[0037] Optionally, the number of liquid guiding grooves 120 can be one, two, or three or more. The number of liquid guiding grooves 120 can be determined according to the actual product size and requirements. This embodiment is only illustrated with three liquid guiding grooves 120.

[0038] This embodiment allows the distance from the bottom wall of the liquid storage tank 110 to the atomizing surface 102 to be (e.g., Figure 3 As shown in L1, the distance is 1-3mm. This not only meets the requirement of miniaturization of the substrate 10, but also reduces the distance from the bottom wall of the liquid storage tank 110 to the atomizing surface 102, thereby improving the liquid guiding speed. Optionally, the distance from the bottom wall of the liquid storage tank 110 to the atomizing surface 102 is 1.5mm, 2mm, 2.5mm, etc.

[0039] This embodiment allows the distance from the bottom wall of the liquid guiding groove 120 to the atomizing surface 102 to be (e.g., Figure 3 As shown in L2, the distance is 0.2-1 mm. This ensures the structural strength of the substrate 10 while increasing the speed at which the liquid matrix in the liquid guiding groove 120 is transferred to the atomizing surface 102. Optionally, the distance from the bottom wall of the liquid guiding groove 120 to the atomizing surface 102 is 0.4 mm, 0.6 mm, 0.8 mm, etc.

[0040] Please refer to this again. Figure 3 In this embodiment, the atomizing surface 102 has a first region 1021 corresponding to the bottom wall of the liquid storage tank 110 and a second region 1022 surrounding the periphery of the first region 1021. When there are multiple liquid guiding channels 120, they include a first liquid guiding channel 121 and a second liquid guiding channel 122. The first liquid guiding channel 121 extends to the first region 1021 and is correspondingly arranged thereto, and the second liquid guiding channel 122 extends to the second region 1022 and is correspondingly arranged thereto.

[0041] Since the liquid storage tank 110 includes a first bottom wall 1100, the atomizing surface 102 has a first region 1021 that corresponds directly to the first bottom wall 1100, and a second region 1022 surrounding the periphery of the first region 1021. The aforementioned direct correspondence can be understood as the orthographic projection of the first bottom wall 1100 onto the atomizing surface 102 completely coinciding with the first region 1021. Figure 3 As shown, the area directly below the first bottom wall 1100 is the first zone 1021, and the areas around the first zone 1021, i.e., on the left and right sides, are the second zones 1022. When there are multiple liquid guiding channels 120, they can be divided into first liquid guiding channels 121 and second liquid guiding channels 122. For example, when there is a third liquid guiding channel 120, it can be divided into one first liquid guiding channel 121 and two second liquid guiding channels 122. The first liquid guiding channel 121 extends to the first zone 1021 and is correspondingly set there; in other words, the bottom wall of the first liquid guiding channel 121 corresponds to the first zone 1021. Each second liquid guiding channel 122 extends to a corresponding second zone 1022. The second liquid guiding channel 122 on the left extends to the second zone 1022 on the left and the second liquid guiding channel 122 on the right extends to the second zone 1022 on the right; in other words, the bottom wall of the second liquid guiding channel 122 corresponds to the second zone 1022. By setting liquid guiding channels 120 in different zones, the liquid guiding speed in different zones can be increased, thereby improving the overall liquid guiding speed of the substrate 10. For example, the atomizing surface 102 of the second zone 1022 is not directly corresponding to the liquid storage tank 110, so the transfer speed of the liquid matrix is ​​slower and the liquid guiding volume is also smaller. Therefore, the second liquid guiding channel 122 is also specifically designed to improve the liquid guiding speed and liquid guiding volume of the second zone 1022. The setting of the first liquid guiding channel 121 can further improve the liquid guiding speed of the first zone 1021, thereby further improving the liquid guiding speed of the substrate 10.

[0042] It is worth noting that since the liquid storage tank 110 also has a bottom wall and the liquid guiding tank 120 also has a bottom wall, for ease of distinction, the bottom wall of the liquid storage tank 110 is understood as the first bottom wall 1100, the bottom wall of the first liquid guiding tank 121 is understood as the second bottom wall 1210, and the bottom wall of the second liquid guiding tank 122 is understood as the third bottom wall 1220.

[0043] Optionally, the first liquid guiding groove 121 is set vertically, and the second liquid guiding groove 122 is set at an angle.

[0044] Please refer to Figure 4 , Figure 4 This is a cross-sectional schematic diagram of the substrate according to another embodiment of this application. In this embodiment, the sidewall of the second liquid guiding groove 122 is bent towards the atomizing surface 102. This embodiment allows the sidewall of the second liquid guiding groove 122 to be bent rather than straight, and the sidewall of the second liquid guiding groove 122 to be bent towards the atomizing surface 102 can also be understood as the sidewall of the second liquid guiding groove 122 being bent downwards and protruding, thereby further increasing the liquid guiding speed of the liquid matrix within the liquid guiding groove 120.

[0045] Please refer to Figure 5 , Figure 5 This is a cross-sectional schematic diagram of the substrate in another embodiment of this application. In this embodiment, the distance between the bottom wall of the first liquid guiding groove 121 and the atomizing surface 102 (e.g., Figure 5 As shown in L3, this distance is equal to the distance between the bottom wall of the second liquid guiding groove 122 and the atomizing surface 102 (e.g., as shown in L3). Figure 5 (As shown in L4). In other words, the distances between the second bottom wall 1210 and the third bottom wall 1220 and the atomizing surface 102 are the same. This allows the liquid matrix in the first liquid guiding tank 121 and the liquid matrix in the second liquid guiding tank 122 to reach the atomizing surface 102 simultaneously, improving the uniformity and synchronicity of the liquid guiding in the substrate 10.

[0046] Please refer to this again. Figure 5 In this embodiment, the diameter of the first liquid guiding groove 121 (e.g., Figure 5 As shown in D1) and the diameter of the second liquid guiding groove 122 (as shown in Figure D1) Figure 5The ratio of the diameter of the first liquid guiding groove 121 to the diameter of the second liquid guiding groove 122 is 1:(1-2). When the ratio of the diameter of the first liquid guiding groove 121 to the diameter of the second liquid guiding groove 122 is 1:1, it can be understood that the diameter of the first liquid guiding groove 121 is equal to the diameter of the second liquid guiding groove 122. When the ratio of the diameter of the first liquid guiding groove 121 to the diameter of the second liquid guiding groove 122 is 1:2, it can be understood that the diameter of the first liquid guiding groove 121 is smaller than the diameter of the second liquid guiding groove 122. In summary, this embodiment can make the diameter of the second liquid guiding groove 122 not smaller than the diameter of the first liquid guiding groove 121, thereby increasing the liquid guiding speed and liquid guiding volume of the second liquid guiding groove 122, and further increasing the amount of liquid matrix in the second region 1022 of the atomizing surface 102. This can increase the atomization amount in the edge region during subsequent atomization, making the atomization effect of the edge second region 1022 consistent with that of the center first region 1021, and preventing the heating element in the edge second region 1022 from dry burning.

[0047] Optionally, the ratio of the diameter of the first liquid guiding groove 121 to the diameter of the second liquid guiding groove 122 is 1:1.2, 1:1.4, 1:1.6, 1:1.8, etc.

[0048] Please refer to Figure 6 , Figure 6 This is a cross-sectional schematic diagram of the substrate in another embodiment of this application. In this embodiment, the bottom wall of the liquid storage tank 110 protrudes away from the atomizing surface 102. The bottom wall of the liquid storage tank 110 includes a plurality of bent and connected sub-bottom walls 1100'. The distance between the bent and connected portions of the plurality of sub-bottom walls 1100' and the atomizing surface 102 is greater than the distance between the bent and connected portions of the sub-bottom walls 1100' and the side walls of the liquid storage tank 110 and the atomizing surface 102. The first liquid guiding channel 121 and the second liquid guiding channel 122 are disposed on the sub-bottom walls 1100', and the second liquid guiding channel 122 is farther away from the bent and connected portions of the plurality of sub-bottom walls 1100' compared to the first liquid guiding channel 121.

[0049] The bottom wall of the liquid storage tank 110, i.e., the first bottom wall 1100, is not flat, but protrudes upwards away from the atomizing surface 102. Specifically, the first bottom wall 1100 is composed of multiple bent and connected sub-bottom walls 1100'. Each sub-bottom wall 1100' has a first bent connection at its top, and each sub-bottom wall 1100' has a second bent connection with the side wall of the liquid storage tank 110. In this embodiment, the distance from the first bent connection to the atomizing surface 102 is greater than the distance from the second bent connection to the atomizing surface 102. It can also be understood that the first bent connection is higher than the second bent connection, thereby causing the first bottom wall 1100 to protrude upwards.

[0050] Furthermore, the aforementioned first liquid guiding channel 121 and second liquid guiding channel 122 can be disposed on the sub-bottom wall 1100', with the second liquid guiding channel 122 being further away from the first bend connection than the first liquid guiding channel 121. This can also be understood as the second liquid guiding channel 122 being lower than the first liquid guiding channel 121. When the liquid matrix in the storage tank 110 is disposed on the first bottom wall 1100, it will flow from the first bend connection to the second bend connection due to gravity, and during the flow, some of the liquid matrix will enter the higher first liquid guiding channel 121. A larger amount of liquid matrix will be disposed at the lower second bend connection, thereby allowing more liquid matrix to flow into the second liquid guiding channel 122, increasing the liquid guiding capacity of the second liquid guiding channel 122.

[0051] This application also provides a specific embodiment and comparative example of the substrate 10 for a more detailed and intuitive comparison.

[0052] Example

[0053] The porous ceramic has an absorbent surface 101 and an atomizing surface 102 arranged opposite to each other. A rectangular liquid storage tank 110 is formed on the absorbent surface 101 of the porous ceramic, and a cylindrical liquid guiding channel 120 extending towards the atomizing surface 102 is formed on the bottom wall of the liquid storage tank 110. The extending direction of the liquid guiding channel 120 is perpendicular to the atomizing surface 102, and the distance between the bottom wall of the liquid guiding channel 120 and the atomizing surface 102 is 0.5 mm. The porosity of the porous ceramic is 55%, and the pore size is 18 μm. The dimensions of the porous ceramic are 12 mm in length, 6 mm in width, and 5 mm in height. The dimensions of the liquid storage tank 110 are 8 mm in length, 3 mm in width, and 3 mm in depth. The dimensions of the liquid guiding channel 120 are 1 mm in diameter and 1.5 mm in depth.

[0054] Comparative Example

[0055] The porous ceramic has an absorbent surface 101 and an atomizing surface 102 arranged opposite to each other. A rectangular liquid storage tank 110 is formed on the absorbent surface 101 of the porous ceramic, but the bottom wall of the liquid storage tank 110 does not have a liquid guiding groove 120. The porous ceramic has a porosity of 55% and a pore size of 18 μm. The dimensions of the porous ceramic are 12 mm in length, 6 mm in width, and 5 mm in height. The dimensions of the liquid storage tank 110 are 8 mm in length, 3 mm in width, and 3 mm in depth.

[0056] The performance results of the examples and comparative examples are shown in Table 1. Oil absorption speed: the time required for the porous ceramic to fully absorb oil under the same conditions. Aging life: the number of puffs taken under the same conditions using a range hood until it fails. Taste: assessing whether the core becomes burnt during smoking.

[0057] Oil absorption speed Aging lifespan taste Example 3-5s 800 mouths better Comparative Example 10-15s 300 mouths Even paste core

[0058] Table 1 Performance results of the examples and comparative examples

[0059] The results above show that, by comparing the performance of the porous ceramic with and without the liquid guide groove 120, the oil absorption speed of the porous ceramic is significantly increased, the aging life is significantly improved, the suction taste is stable, and the suction experience is better after the liquid guide groove 120 is installed.

[0060] Please refer to Figure 7 , Figure 7 This is a cross-sectional schematic diagram of the atomizing core according to one embodiment of this application. The atomizing core 10' provided in this embodiment includes a substrate 10 as described in the above embodiments of this application, and a heating element 20 disposed on the atomizing surface 102 of the substrate 10. The heating element 20, disposed on the atomizing surface 102, can heat and atomize the liquid matrix transferred to the atomizing surface 102, atomizing it into an aerosol for the user to inhale or use. Optionally, the material of the heating element 20 includes, but is not limited to, metal.

[0061] The atomizing core 10' provided in this embodiment can improve the liquid guiding speed and liquid guiding volume by adopting the substrate 10 provided in the above embodiment of this application, avoid the atomizing core 10' from clogging during suction, improve the suction life of the atomizing core 10', and improve the suction experience.

[0062] Please refer to this again. Figure 7 In this embodiment, the atomizing surface 102 has a first region 1021 corresponding to the bottom wall of the liquid storage tank 110, and a second region 1022 surrounding the periphery of the first region 1021. When there are multiple liquid guiding channels 120, they include a first liquid guiding channel 121 and a second liquid guiding channel 122. The first liquid guiding channel 121 extends to the first region 1021 and is correspondingly disposed therein, and the second liquid guiding channel 122 extends to the second region 1022 and is correspondingly disposed therein. The heating element 20 includes a first part 21 and a second part 22 connected to each other. The first part 21 is located within the first region 1021, and the second part 22 is located within the second region 1022. The resistance of the second part 22 is less than the resistance of the first part 21.

[0063] Since the atomizing surface 102 can be divided into a first region 1021 and a second region 1022, the heating element 20 can also be correspondingly divided into a first part 21 and a second part 22, wherein the first part 21 is located in the center of the first region 1021, and the second part 22 is located in the center of the second region 1022. In this embodiment, the resistance of the second part 22 is less than that of the first part 21, so that the heat generated in the second region 1022 is less than that in the first region 1021, thereby avoiding the heating element 20 located at the edge of the second region 1022 from dry burning and causing the substrate 10 to burn.

[0064] Please refer to this again. Figure 7In this embodiment, the first part 21 has a first central area 210, the second part 22 has a second central area 220, the bottom wall of the first liquid guiding groove 121 corresponds to the first central area 210, and the bottom wall of the second liquid guiding groove 122 corresponds to the second central area 220.

[0065] Each part of the heating element 20 has a corresponding central area. For example, the first part 21 has a first central area 210, and the second part 22 has a second central area 220. The central area can be understood as the region at the geometric center of each part. In this embodiment, the bottom wall of the first liquid guiding groove 121 corresponds to the first central area 210, and the second liquid guiding groove 122 corresponds to the second central area 220, thereby improving the atomization speed and atomization amount of the atomizing core 10' and improving the user's suction effect.

[0066] Please refer to this as well. Figures 7-10 , Figure 8 This is a top view of an aerosol forming apparatus according to one embodiment of this application. Figure 9 for Figure 8 An exploded view of the aerosol forming apparatus shown. Figure 10 for Figure 8 The diagram shows a cross-sectional view of the aerosol forming apparatus. The aerosol forming apparatus 1 provided in this embodiment includes an atomizing component 1a and a battery component 1b connected together. The atomizing component 1a includes the atomizing core 10' provided in the above embodiment of this application. The heating element 20 of the atomizing core 10' is electrically connected to the battery component 1b, and the battery component 1b is capable of providing electrical energy to the heating element 20.

[0067] The aerosol forming device 1 mainly includes an atomizing component 1a and a battery component 1b. The atomizing component 1a is mounted on the battery component 1b. The atomizing component 1a is mainly used to heat and atomize the liquid matrix, and the battery component 1b is mainly used to provide energy to the atomizing component 1a and control the atomization parameters.

[0068] The atomizing component 1a mainly includes an oil tank 30, a support 40, an air guide tube 50, an atomizing core 10', a base 60, a first electrode 71, and a second electrode 72. The oil tank 30 includes a first end 31 and a second end 32 arranged opposite to each other. The first end 31 has a first opening 310, and the second end 32 has a second opening 320. The second end 32 can be a mouthpiece 34, in which case the second opening 320 can also be understood as an air outlet. Alternatively, the mouthpiece 34 can be installed on the second end 32, and the air outlet of the mouthpiece 34 can be connected to the second opening 320. The support 40 is located inside the housing and close to the first opening 310. The support 40 has a liquid guiding hole 41 and an exhaust hole 42, and the support 40 has an atomizing chamber 43 connected to the exhaust hole 42. The air guide tube 50 has an air guiding channel 51, one end of which is connected to the exhaust hole 42, and the other end is connected to the second opening 320. The housing, support 40, and air guide tube 50 together form a liquid storage chamber 33 for storing a liquid matrix.

[0069] The atomizing core 10' is fixed inside the atomizing chamber 43 of the bracket 40. The atomizing core 10' includes a base 10 and a heating element 20. The base 10 has a liquid absorption surface 101 and an atomizing surface 102. The heating element 20 is disposed on the atomizing surface 102. The liquid absorption surface 101 is exposed through the liquid guiding hole 41, so that the liquid matrix in the liquid storage chamber 33 can be transferred to the liquid absorption surface 101 through the liquid guiding hole 41, and the liquid matrix on the liquid absorption surface 101 can be transferred to the atomizing surface 102, thereby heating and atomizing the liquid matrix to form an aerosol located in the atomizing chamber 43. The aerosol can be discharged sequentially through the atomizing chamber 43, the exhaust hole 42, the air guiding channel 51, and the second opening 320, or be inhaled by the user. The base 60 is installed on the first end 31 of the housing and seals the first opening 310. The base 60 supports the bracket 40, and the base 60 and the bracket 40 together form the aforementioned atomizing chamber 43. The first electrode 71 and the second electrode 72 are mounted on the base 60 and pass through the base 60 to be electrically connected to the heating element 20. In addition, the atomizing assembly 1a also has an air inlet that connects to the atomizing chamber 43, wherein the air inlet can be set on the base 60 or the oil tank 30, etc.

[0070] In addition to the components mentioned above, the atomizing assembly 1a may also include various sealing structures, such as a seal on the bracket 40 for sealing the bracket 40 and the oil tank 30; a seal on the atomizing core 10' for sealing the atomizing core 10' and the bracket 40; a seal inside the base 60 for sealing the bracket 40 and the base 60; and a seal on the outer periphery of the base 60 for sealing the base 60 and the oil tank 30.

[0071] The battery cell assembly 1b mainly includes a housing 80, a battery 81, and a circuit board 82. An oil tank 30 is installed in the housing 80. The battery 81 is located inside the housing 80 and electrically connected to a first electrode 71 and a second electrode 72, providing power to the heating element 20 through the first electrode 71 and the second electrode 72. The circuit board 82 is electrically connected to the battery 81 and is used to control the output parameters of the battery 81.

[0072] The assembly method of the aerosol forming device 1 is roughly as follows: The sealing element of the atomizing core 10' is installed on the atomizing core 10', and then the entire assembly is installed inside the bracket 40. The sealing element of the bracket 40 is then installed on the bracket 40, forming the bracket 40 assembly for later use. Next, the first electrode 71 and the second electrode 72 are pressed into the base 60, and sealing elements are installed both inside and outside the base 60, forming the base 60 assembly. Then, the bracket 40 assembly is installed on the base 60 assembly, and the entire assembly is installed into the oil tank 30, thus completing the assembly of the atomizing component 1a. Finally, the atomizing component 1a is installed on the battery cell assembly 1b to obtain the aerosol forming device 1.

[0073] The working principle of the aerosol forming device 1 can be simply understood as follows: the liquid matrix located in the storage chamber 33 can be transferred through the liquid guide hole 41 of the support 40 to the liquid absorption surface 101 of the substrate 10, and then through the liquid absorption surface 101 to the atomizing surface 102. The heating element 20 set on the atomizing surface 102 can heat the liquid matrix and atomize it into an aerosol. The aerosol is stored in the atomizing chamber 43, and external gas can enter the atomizing chamber 43 through the air inlet and mix with the aerosol. The mixed gas is discharged sequentially through the atomizing chamber 43, the exhaust hole 42 of the support 40, the air guide channel 51 of the air guide pipe 50, and the second opening 320 of the shell, or it can be inhaled by the user.

[0074] In this document, references to "embodiment" or "implementation" mean that a particular feature, structure, or characteristic described in connection with an embodiment or implementation may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0075] 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", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used 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. Therefore, they should not be construed as limitations on this application.

[0076] 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 technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise expressly specified. Moreover, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0077] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a connection, a detachable connection, or an integral part. 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, or the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0078] The foregoing has provided a detailed description of the embodiments of this application, elucidating and explaining the principles and implementation methods of this application. These descriptions are merely for the purpose of aiding understanding the method and core ideas of this application. However, the content of this specification should not be construed as a limitation of this application. Those skilled in the art can make various modifications and variations to this application without departing from its spirit and scope. These modifications and variations fall within the scope of the claims of this application and their equivalents.

Claims

1. A matrix, characterized in that, For use in atomizing cores, the substrate has a liquid-absorbing surface and an atomizing surface. The liquid-absorbing surface is provided with a liquid storage tank. The bottom wall of the liquid storage tank is provided with at least one liquid guiding groove extending toward the atomizing surface. The bottom wall of the liquid guiding groove is spaced apart from the atomizing surface. The atomizing surface has a first area corresponding to the bottom wall of the liquid storage tank and a second area surrounding the periphery of the first area. When there are multiple liquid guiding channels, it includes a first liquid guiding channel and a second liquid guiding channel. The first liquid guiding channel extends to the first area and is correspondingly provided, and the second liquid guiding channel extends to the second area and is correspondingly provided. The bottom wall of the liquid storage tank protrudes away from the atomizing surface. The bottom wall of the liquid storage tank includes multiple sub-bottom walls that are bent and connected. The distance between the bends of the multiple sub-bottom walls and the atomizing surface is greater than the distance between the bends of the sub-bottom walls and the side walls of the liquid storage tank and the atomizing surface. The first liquid guiding channel and the second liquid guiding channel are disposed on the sub-bottom walls, and the second liquid guiding channel is farther away from the bends of the multiple sub-bottom walls than the first liquid guiding channel.

2. The matrix as described in claim 1, characterized in that, The sidewall of the second liquid guiding groove is bent toward the atomizing surface.

3. The matrix as described in claim 1, characterized in that, The distance between the bottom wall of the first liquid guiding groove and the atomizing surface is equal to the distance between the bottom wall of the second liquid guiding groove and the atomizing surface.

4. The matrix as described in claim 1, characterized in that, The ratio of the diameter of the first liquid guiding groove to the diameter of the second liquid guiding groove is 1:(1-2).

5. An atomizing core, characterized in that, The atomizing core includes a substrate as described in any one of claims 1-4, and a heating element disposed on the atomizing surface of the substrate.

6. The atomizing core as described in claim 5, characterized in that, The atomizing surface has a first area corresponding to the bottom wall of the liquid storage tank and a second area surrounding the periphery of the first area. When there are multiple liquid guiding channels, it includes a first liquid guiding channel and a second liquid guiding channel. The first liquid guiding channel extends to the first area and is correspondingly arranged thereto, and the second liquid guiding channel extends to the second area and is correspondingly arranged thereto. The heating element includes a first part and a second part connected to each other. The first part is located in the first area, and the second part is located in the second area. The resistance of the second part is less than the resistance of the first part.

7. The atomizing core as described in claim 6, characterized in that, The first part has a first central area, the second part has a second central area, the bottom wall of the first liquid guiding channel corresponds to the first central area, and the bottom wall of the second liquid guiding channel corresponds to the second central area.

8. An aerosol forming apparatus, characterized in that, The device includes an atomizing component and a battery assembly connected together. The atomizing component includes an atomizing core as described in any one of claims 5-7. The heating element of the atomizing core is electrically connected to the battery assembly, and the battery assembly is capable of providing electrical energy to the heating element.

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