Heating element, heating assembly and aerosol generating device

Abstract

This application provides a heating element, a heating assembly, and an aerosol generating device, belonging to the field of aerosol generating devices. The heating element includes a main body and multiple grippers. The grippers are located on the same side of the main body, distributed along the edge of the main body, and each gripper is connected to the main body. Each gripper includes a connecting portion and a side protrusion. The connecting portion has two opposite ends in its own length direction. One end of the connecting portion is connected to the main body, and the side protrusion is connected to one of the opposite sides in the width direction of the connecting portion. By connecting multiple grippers to the edge of the main body, the heating element can be fixed to the base of the heating assembly using the grippers. The gripper includes a connecting portion and a side protrusion. One end of the connecting portion is connected to the main body, and the side protrusion is connected to one side of the connecting portion. Because the side protrusion is located on one side of the connecting portion and protrudes relative to one side of the connecting portion, it occupies less space compared to the structure of a gripper protruding to both sides in an inverted T-shaped shape, which helps reduce the risk of short circuits caused by contact between adjacent grippers.

Description

Technical Field

[0001] This application relates to the field of aerosol generating devices, and in particular to a heating element, a heating assembly, and an aerosol generating device. Background Technology

[0002] Common aerosol generating devices include a heating component and a power supply component, with the heating component connected to the power supply component. During operation, the power supply component supplies power to the heating component.

[0003] The heating assembly includes a base and a heating element, which is attached to the base. The heating element includes a main body and grippers, wherein the main body is located on the surface of the base, and the grippers are embedded inside the base. The grippers are used to form a connection with the base and prevent the heating element from becoming loose.

[0004] In related technologies, the gripper pins are usually designed with an inverted T-shaped structure. However, the inverted T-shaped structure of the gripper pins occupies a large space, and there is a risk of short circuit due to mutual contact between adjacent gripper pins. Utility Model Content

[0005] This application provides a heating element, a heating assembly, and an aerosol generating device, which helps to reduce the risk of short circuits in the gripper feet. The technical solution is as follows:

[0006] In a first aspect, embodiments of this application provide a heating element, which includes a main body and a plurality of grippers. The plurality of grippers are located on the same side of the main body, distributed along the edge of the main body, and respectively connected to the main body.

[0007] The gripper includes a connecting part and a side protrusion. The connecting part has two opposite ends in its own length direction. One end of the connecting part is connected to the main body, and the side protrusion is connected to one of the two opposite sides in the width direction of the connecting part.

[0008] In some examples, the lateral protrusion includes a plurality of side branches that are spaced apart along the length of the connection.

[0009] In some examples, at least a portion of the plurality of side branches has a notch at the connection point with the connecting portion, and the notch is located on the side of the side branch closer to the main body.

[0010] In some examples, the notch is arc-shaped.

[0011] In some examples, a through-hole is provided at least in the following locations:

[0012] At least some of the lateral branches;

[0013] At least part of the connection between the lateral branch and the connecting portion;

[0014] The connecting part.

[0015] In some examples, the through hole includes a circular hole with a diameter of 0.1 mm to 0.5 mm.

[0016] In some examples, the plurality of side branches include a first side branch and a second side branch, the first side branch being located on the side of the second side branch away from the main body; along the length direction of the connection, the size of the first side branch is larger than the size of the second side branch.

[0017] In some examples, the first side branch is flush with the end of the connection that is furthest from the main body.

[0018] In some examples, the width of the connecting portion is 0.05mm to 0.5mm; in the width direction of the connecting portion, the distance between the side of the side protrusion away from the connecting portion and the side of the connecting portion away from the side protrusion is 0.2mm to 1.5mm.

[0019] In some examples, the main body includes a heating element and two power supply elements. The heating element has two opposite ends along its own length direction. The two power supply elements are respectively connected to the two ends of the heating element. Both the heating element and the power supply elements are connected to the gripper.

[0020] In some examples, the heating element has two opposing sides, and the connecting parts and side protrusions of a plurality of grippers located on the same side of the heating element are alternately distributed.

[0021] In some examples, the side protrusions of the gripper connected to one of the two power supply units and the side protrusions of the gripper connected to the other of the two power supply units are arranged opposite to each other.

[0022] Secondly, embodiments of this application also provide a heating assembly, the heating assembly including a substrate and a heating element as described in the first aspect, at least a portion of the main body of the heating element being located on the surface of the substrate, and the gripper of the heating element being embedded in the substrate.

[0023] Thirdly, embodiments of this application also provide an aerosol generating apparatus, the aerosol generating apparatus including a power supply component and a heating component as described in the second aspect, the power supply component being used to supply power to the heating component.

[0024] The beneficial effects of the technical solutions provided in this application include at least the following:

[0025] By connecting multiple grippers along the edge of the same side of the main body, the heating element can be fixed to the base of the heating assembly. Each gripper includes a connecting portion and a side protrusion. One end of the connecting portion is connected to the main body, and the side protrusion is connected to one side of the connecting portion. Because the side protrusion is located on one side of the connecting portion and protrudes relative to one side of the connecting portion, it occupies less space compared to the structure of an inverted T-shaped gripper that protrudes to both sides, thus reducing the risk of short circuits caused by contact between adjacent grippers. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art 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 these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the structure of a heating assembly provided in an embodiment of this application;

[0028] Figure 2 This is a schematic diagram of the structure of a heating element provided in an embodiment of this application;

[0029] Figure 3 This is a schematic diagram of a gripper structure provided in an embodiment of this application;

[0030] Figure 4 This is a schematic diagram of a gripper structure provided in an embodiment of this application;

[0031] Figure 5 This is a schematic diagram of the dimensions of a gripper provided in an embodiment of this application;

[0032] Figure 6 This is a force diagram of a gripper provided in an embodiment of this application;

[0033] Figure 7 This is a force diagram of a gripper provided in an embodiment of this application;

[0034] Figure 8 This is a force diagram of an inverted T-shaped gripper in related technologies.

[0035] Icon labels:

[0036] 10-Matrix;

[0037] 20-Heating element; 21-Main body; 211-Heating part; 212-Power supply part; 22-Grip foot; 221-Connecting part; 222-Side protrusion; 222a-Notch; 222b-Through hole; 2220-Side branch; 2221-First side branch; 2222-Second side branch; A-First dimension; B-Second dimension; C-Third dimension; D-Fourth dimension; E-Fifth dimension. Detailed Implementation

[0038] In the following description, specific details such as particular system architectures and techniques are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of this application. However, those skilled in the art will understand that this application may also be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods have been omitted so as not to obscure the description of this application with unnecessary detail.

[0039] It should also be understood that the term “and / or” as used in this application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0040] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0041] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this application.

[0042] Furthermore, in the description of this application and the appended claims, the terms "first," "second," "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0043] References to "one embodiment" or "some embodiments" in this specification mean that one or more embodiments of this application include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless otherwise specifically emphasized. "A plurality" means two or more.

[0044] Figure 1 This is a schematic diagram of the structure of a heating assembly provided in an embodiment of this application, such as... Figure 1 As shown, the heating assembly includes a base 10 and a heating element 20. The heating element 20 includes a main body 21 and a plurality of grippers 22. At least a portion of the main body 21 of the heating element 20 is located on the surface of the base 10, and the grippers 22 of the heating element 20 are embedded in the base 10.

[0045] For example, the substrate 10 can be made of ceramic. The substrate 10 is formed, for example, by sintering.

[0046] Figure 2 This is a schematic diagram of the structure of a heating element provided in an embodiment of this application, such as... Figure 2 As shown, the heating element 20 includes a main body 21 and a plurality of gripping feet 22. The plurality of gripping feet 22 are located on the same side of the main body 21, that is, the plurality of gripping feet 22 extend toward the same side of the main body 21, for example... Figure 1 In the middle, multiple grippers 22 extend towards the side of the main body 21 closer to the base 10. The multiple grippers 22 are distributed along the edge of the main body 21, and each of the multiple grippers 22 is connected to the main body 21.

[0047] The gripper 22 includes a connecting portion 221 and a side protrusion 222. The connecting portion 221 has two opposite ends in its own length direction. One end of the connecting portion 221 is connected to the main body 21, and the side protrusion 222 is connected to one of the two opposite sides in the width direction of the connecting portion 221. The width direction is perpendicular to the length direction.

[0048] By connecting multiple grippers 22 to the edge of the same side of the main body 21, the heating element can be fixed to the base 10 of the heating assembly using the grippers 22. Each gripper 22 includes a connecting portion 221 and a side protrusion 222. One end of the connecting portion 221 is connected to the main body 21, and the side protrusion 222 is connected to one side of the connecting portion 221. Because the side protrusion 222 is located on one side of the connecting portion 221 and protrudes relative to one side of the connecting portion 221, it occupies less space compared to the structure of a gripper that protrudes to both sides in an inverted T-shape, thus reducing the risk of short circuits caused by contact between adjacent grippers 22.

[0049] Figure 3 This is a schematic diagram of a gripper structure provided in an embodiment of this application, such as... Figure 3 As shown, the side protrusion 222 of the gripper 22 may include a plurality of side branches 2220, which are distributed at intervals along the length direction of the connecting portion 221.

[0050] By setting multiple side branches 2220, which protrude laterally relative to the connecting part 221, the multiple side branches 2220 can increase the contact area between the gripper 22 and the base 10, reducing the risk of the heating element 20 becoming loose.

[0051] In some examples, the lateral protrusion 222 may include two side branches 2220.

[0052] Since the length of the connecting portion 221 is limited, setting two side branches 2220 not only simplifies the structure and reduces the difficulty of processing, but also ensures a firm connection with the base 10. The more side branches 2220 there are, the smaller the maximum size that a single side branch 2220 can be set in the length direction of the connecting portion 221, and the smaller the gap that can be set between adjacent side branches 2220. This not only increases the difficulty of manufacturing, but also reduces the structural strength of a single side branch 2220, making it more prone to deformation during fabrication. Furthermore, when fabricating the base 10, it becomes more difficult to fill the gaps between adjacent side branches 2220 with the material used to fabricate the base 10.

[0053] In some other possible implementations, the lateral protrusion 222 may also include more side branches 2220, such as three side branches 2220 or four side branches 2220. In this example, two side branches 2220 are used as an example.

[0054] like Figure 3 As shown, among the multiple side branches 2220, each side branch 2220 has a notch 222a at the connection point with the connecting part 221, and the notch 222a is located on the side of the side branch 2220 closer to the main body 21.

[0055] Setting a notch 222a helps to increase the firmness of the connection between the gripper 22 and the base 10.

[0056] When preparing the substrate 10, the material used to prepare the substrate 10 can be filled into the notch 222a to increase the area where the gripper 22 is obstructed by the substrate 10. When the gripper 22 is pulled outward, the substrate 10 will exert resistance on the sidewall of the notch 222a, making the resistance of the substrate 10 on the gripper 22 greater and the gripper 22 more difficult to be pulled out.

[0057] Although Figure 3 Each side branch 2220 shown has a notch 222a at the connection point with the connecting part 221. However, in other possible implementations, only some of the side branches 2220 may have notches 222a at the connection points with the connecting part 221. For example, notches 222a may be provided only at the connection point of one side branch 2220 with the connecting part 221.

[0058] like Figure 3 As shown, the notch 222a can be arc-shaped.

[0059] Making the notch 222a rounded helps to reduce the stress at the connection between the side branch 2220 and the connecting part 221. When the gripper 22 is subjected to an outward pulling force, the rounded notch 222a can reduce the risk of the connection between the side branch 2220 and the connecting part 221 being torn.

[0060] As an example, notch 222a can be a three-quarter circle arc.

[0061] In other possible implementations, the notch 222a can also be a smaller or larger arc, such as a half-circle arc or a quarter-circle arc.

[0062] Optionally, the diameter of the notch 222a can be 0.1 mm to 0.5 mm.

[0063] The size of the notch 222a affects the structural strength at the connection between the side branch 2220 and the connecting part 221. Generally, the larger the diameter of the notch 222a, the greater the negative impact on the structural strength. Conversely, the smaller the diameter of the notch 222a, the more difficult it is for the material of the matrix 10 to fill the notch 222a during the fabrication of the matrix 10. Setting the diameter of the notch 222a to 0.1 mm to 0.5 mm has a smaller negative impact on the structural strength at the connection between the side branch 2220 and the connecting part 221, and the material of the matrix 10 is also easier to fill the notch 222a.

[0064] In addition to increasing the area where the gripper 22 is obstructed by the base 10 by setting a notch 222a, the area where the gripper 22 is obstructed by the base 10 can also be increased by setting a through hole 222b.

[0065] As an example, such as Figure 3 As shown, a through hole 222b is provided at the connection between the side branch 2220 and the connecting part 221.

[0066] During the preparation of the substrate 10, the material of the substrate 10 can be filled into the through hole 222b. When the gripper 22 is pulled outward, the substrate 10 will generate resistance against the hole wall of the through hole 222b, hindering the gripper 22 and making it more difficult for the gripper 22 to be pulled out of the substrate 10.

[0067] Through holes 222b can be provided at the connection between each side branch 2220 and the connecting part 221, or through holes 222b can be provided only at the connection between some side branches 2220 and the connecting part 221. Figure 3 The diagram only schematically shows a through hole 222b on one of the side branches 2220.

[0068] In some other possible implementations, the through hole 222b may also be provided on the side branch 2220 or on the connecting part 221.

[0069] Through holes 222b can be set on each side branch 2220, or through holes 222b can be set only on some side branches 2220.

[0070] One or more through holes 222b may be provided on the connecting part 221. When multiple through holes 222b are provided on the connecting part 221, the multiple through holes 222b may be arranged along the length direction of the connecting part 221.

[0071] A maximum of one through hole 222b can be provided on the connecting part 221. Although providing a through hole 222b on the connecting part 221 can increase the resistance of the base 10 to the gripper 22, it will also reduce the structural strength of the connecting part 221 itself. Providing too many through holes 222b on the connecting part 221 may result in the structural strength of the connecting part 221 being too low, and the connecting part 221 may break when the gripper 22 is pulled outward.

[0072] The through hole 222b may include at least one of the following: a round hole, an oblong hole, an elliptical hole, and a polygonal hole. For example, Figure 3 The through hole 222b shown includes an oval hole.

[0073] Figure 4 This is a schematic diagram of a gripper structure provided in an embodiment of this application. As an example, the through hole 222b may include a circular hole with a diameter of 0.1mm to 0.5mm. For example, the diameter of the circular hole is 0.25mm, 0.3mm, or 0.35mm.

[0074] The size of the through-hole 222b affects the structural strength of the gripper 22. Generally, a larger diameter through-hole 222b has a greater negative impact on the structural strength of the gripper 22. Conversely, a smaller diameter through-hole 222b makes it more difficult for the material of the substrate 10 to fill the through-hole 222b during the fabrication of the substrate 10. Setting the diameter of the through-hole 222b to 0.1mm~0.5mm has a smaller negative impact on the structural strength of the gripper 22, and the material of the substrate 10 is also easier to fill the through-hole 222b.

[0075] Multiple lateral branches 2220 can be the same size or different sizes.

[0076] As an example, the plurality of side branches 2220 may include a first side branch 2221 and a second side branch 2222, wherein the first side branch 2221 is located on the side of the second side branch 2222 away from the main body 21. Along the length direction of the connecting portion 221, the size of the first side branch 2221 is larger than the size of the second side branch 2222.

[0077] Of the first side branch 2221 and the second side branch 2222, the first side branch 2221 is farther from the main body 21 and is embedded deeper into the base 10. By making the size of the side branch 2220, which is embedded deeper into the base 10, larger, it is beneficial to increase the resistance of the base 10 to the gripper 22 and further reduce the risk of the gripper 22 becoming loose.

[0078] like Figure 4 As shown, the first side branch 2221 is flush with the end of the connecting part 221 away from the main body 21. That is to say, the gripper 22 is inverted F shape. The edge of the first side branch 2221 away from the main body 21 is coplanar with the edge of the connecting part 221 away from the main body 21. Among the multiple side branches 2220, the side branch 2220 farthest from the main body 21 has the largest size.

[0079] The side branch 2220 furthest from the main body 21 is embedded deepest into the base 10. By setting the first side branch 2221 to be flush with the end face of the connecting part 221, the first side branch 2221 is embedded as deep as possible into the base 10, thereby increasing the resistance of the base 10 to the first side branch 2221, making the gripper 22 more resistant as a whole, which helps to reduce the risk of the gripper 22 becoming loose.

[0080] For example, the length L1 of the connecting part 221 can be 0.5mm to 3mm.

[0081] The length L1 of the connecting part 221 affects the depth to which the gripper 22 is embedded in the base 10. The longer the connecting part 221, the greater the overall length of the gripper 22, and the deeper it is embedded in the base 10. Correspondingly, the resistance from the base 10 is greater, and the risk of the gripper 22 becoming loose is lower. Setting the length L1 of the connecting part 221 to 0.5mm~3mm ensures that the gripper 22 is embedded deep enough in the base 10, the heating element is connected securely, and the excessive length of the gripper 22 avoids increasing the processing difficulty of the gripper 22.

[0082] For example, the dimension L2 of the first side branch 2221 in the length direction of the connecting portion 221 is 0.2mm to 1.5mm. The dimension L3 of the second side branch 2222 in the length direction of the connecting portion 221 is 0.1mm to 0.5mm.

[0083] The first side branch 2221 is the side branch 2220 furthest from the main body 21. The dimension L2 of the first side branch 2221 in the length direction of the connecting portion 221 affects the area of ​​the first side branch 2221 and also affects the contact area between the first side branch 2221 and the base 10. Setting the dimension L2 of the first side branch 2221 in the length direction of the connecting portion 221 to be larger increases the contact area between the first side branch 2221 and the base 10, making the connection between the first side branch 2221 and the base 10 more secure.

[0084] Figure 5 This is a schematic diagram of the dimensions of a gripper provided in an embodiment of this application, such as... Figure 5 As shown, the width L4 of the connecting portion 221 is 0.05mm to 0.5mm. In the width direction of the connecting portion 221, the distance L5 between the side of the side protrusion 222 away from the connecting portion 221 and the side of the connecting portion 221 away from the side protrusion 222 is 0.2mm to 1.5mm, which is the width of the gripper 22 at the side protrusion 222.

[0085] The width L4 of the connecting part 221 has a significant impact on the structural strength of the gripper 22. However, an excessively wide width increases the risk of short circuits caused by contact between adjacent grippers 22. By setting the width L4 of the connecting part 221 to 0.05mm~0.5mm, the gripper 22 has higher structural strength, a lower risk of breakage, and a lower risk of short circuits caused by contact between adjacent grippers 22.

[0086] The width of the gripper 22 at the side protrusion 222 has a significant impact on the resistance of the gripper 22 to the base 10. Setting the width of the gripper 22 at the side protrusion 222 to 0.2mm~1.5mm allows the base 10 to generate greater resistance to the gripper 22, and also avoids the gripper 22 being too wide at the side protrusion 222, which would increase the risk of short circuit caused by contact between adjacent grippers 22.

[0087] Reference Figure 2 As shown, multiple grippers 22 can be distributed on opposite sides of the main body 21 and arranged in pairs. The gripper 22 located on one side of the main body 21 and the gripper 22 symmetrically distributed on the other side of the main body 21 form a pair. Arranging the grippers 22 in pairs in a symmetrical manner helps to improve the symmetry of the force on the heating element, so that the heating element can be more firmly connected to the base 10.

[0088] like Figure 2 As shown, the main body 21 may include a heating element 211 and two power supply elements 212. The heating element 211 has two opposite ends in its own length direction, and the two power supply elements 212 are respectively connected to the two ends of the heating element 211. Both the heating element 211 and the power supply elements 212 are connected to grippers 22.

[0089] By arranging grippers 22 on the power supply section 212 and the heating section 211 respectively, both the heating section 211 and the power supply section 212 can be firmly fixed on the base 10, preventing the heating element from becoming loose.

[0090] The heating element 211 can be in a mesh pattern. For example, Figure 2 The heating element 211 has a grid-like structure composed of continuously connected rhombuses. The gripping feet 22 can be attached to the diagonal of the rhombuses to more stably fix the heating element 211 and prevent the heating element 211 from lifting up.

[0091] The density of the grid distribution in the heating element 211 affects its heating efficiency. Generally, the denser the grid distribution, the higher the heating efficiency of the heating element 211. Therefore, designers tend to make the grid of the heating element 211 as dense as possible when designing heating components. However, a denser grid distribution will reduce the distance between adjacent grippers 22, increasing the risk of short circuits caused by contact between adjacent grippers 22. Compared to the inverted T-shaped grippers in related technologies, in this embodiment, by arranging the side protrusions 222 on one side of the connecting portion 221, the overall width of the grippers 22 is smaller, and there is a larger gap between adjacent grippers 22, reducing the risk of short circuits. This allows for a denser grid distribution in the heating element 211, thereby improving the heating efficiency of the heating component.

[0092] like Figure 2 As shown, the heating element 211 has two opposing sides. The connecting portions 221 and side protrusions 222 of the multiple grippers 22 located on the same side of the heating element 211 are alternately distributed. That is, the side protrusions 222 of the multiple grippers 22 on the same side of the heating element 211 protrude in the same direction, and there is only one side protrusion 222 between the connecting portions 221 of two adjacent grippers 22. This arrangement reduces the risk of short circuits caused by contact between any two adjacent grippers 22 on the same side of the heating element 211.

[0093] exist Figure 2 In the example shown, the side protrusions 222 of multiple grippers 22 distributed on the same side of the heating element 211 protrude in the same direction. In other examples, the side protrusions 222 of some grippers 22 distributed on the same side of the heating element 211 may also protrude relative to each other, for example, the side protrusions 222 of two adjacent grippers 22 protrude relative to each other. If the side protrusions 222 of some adjacent grippers 22 are relatively protruding, then there must be other adjacent grippers 22 with side protrusions 222 protruding in opposite directions. These adjacent grippers 22 have a larger spacing, which also helps to reduce the risk of short circuits.

[0094] On opposite sides of the heating element 211, the side protrusions 222 of the gripping feet 22 on different sides can protrude in the same direction or in opposite directions.

[0095] like Figure 2 As shown, the multiple grippers 22 located on the same side of the heating element 211 can be coplanarly distributed, that is, the multiple grippers 22 located on the same side of the heating element 211 are distributed in the same plane parallel to the length direction of the connecting part 221. The grippers 22 connected to the heating element 211 and the grippers 22 connected to the power supply part 212 can be arranged in opposite directions. The side protrusions 222 of the grippers 22 connected to different power supply parts 212 are arranged opposite to each other, that is, the side protrusions 222 of the grippers 22 connected to one of the two power supply parts 212 and the side protrusions 222 of the grippers 22 connected to the other of the two power supply parts 212 are arranged opposite to each other. That is, the side protrusions 222 of the grippers 22 connected to the power supply part 212 protrude toward the side where the heating element 211 is located.

[0096] Since the gripper 22 connected to the power supply section 212 and the gripper 22 connected to the heating section 211 are not coplanar, the risk of short circuit caused by contact between the gripper 22 connected to the power supply section 212 and the gripper 22 connected to the heating section 211 is low, even if the side protrusion 222 is connected to the side of the connection section 221 closer to the heating section 211.

[0097] Figure 6 This is a force diagram of a gripper 22 provided in an embodiment of this application. The downward arrow in the diagram indicates the force exerted by the base 10 on the gripper 22. Figure 6 As shown, the gripper 22 is embedded in the base 10. When pulled outward, the resistance of the gripper 22 to the base 10 is related to the sum of the first dimension A, the second dimension B and the third dimension C in the figure. The larger the sum, the greater the resistance.

[0098] As an example, the length L1 of the connecting portion 221 is 1.4 mm, and the width L4 of the connecting portion 221 is 0.25 mm. The width L5 of the gripper 22 at the first side branch 2221 is 0.5 mm, the dimension L2 of the first side branch 2221 along the length of the connecting portion 221 is 0.5 mm, the diameter D of the through hole 222b located on the first side branch 2221 is 0.25 mm, and the diameter d of the notch 222a at the connection between the first side branch 2221 and the connecting portion 221 is 0.2 mm; the width of the gripper 22 at the second side branch 2222 is 0.5 mm, the dimension L3 of the second side branch 2222 along the length of the connecting portion 221 is 0.2 mm, and the diameter d of the notch 222a at the connection between the second side branch 2222 and the connecting portion 221 is 0.2 mm.

[0099] The first dimension A is L5-L4+d / 2, which equals 0.35mm; the second dimension B is L5-L4+d / 2, which equals 0.35mm; and the third dimension C is D, which equals 0.25mm. The sum of the first dimension A, the second dimension B, and the third dimension C is 0.95mm. Through testing, it is found that pulling a pair of grippers 22 out of the base 10 requires a pulling force F of more than 4.42N.

[0100] As yet another example Figure 7 This is a force diagram of a gripper 22 provided in an embodiment of this application. The downward arrow in the diagram indicates the force exerted by the base 10 on the gripper 22. Figure 7 As shown, in this example, the length L1 of the connecting portion 221 is 1.4 mm, and the width L4 of the connecting portion 221 is 0.3 mm. The width L5 of the gripper 22 at the first side branch 2221 is 0.8 mm, the dimension L2 of the first side branch 2221 along the length of the connecting portion 221 is 0.5 mm, the diameter D of the through hole 222b located on the first side branch 2221 is 0.3 mm, and the diameter d of the notch 222a at the connection between the first side branch 2221 and the connecting portion 221 is 0.25 mm; the width of the gripper 22 at the second side branch 2222 is 0.8 mm, the dimension L3 of the second side branch 2222 along the length of the connecting portion 221 is 0.25 mm, and the diameter d of the notch 222a at the connection between the second side branch 2222 and the connecting portion 221 is 0.25 mm.

[0101] The first dimension A is 0.625mm, the second dimension B is 0.625mm, and the third dimension C is 0.3mm. The sum of the first dimension A, the second dimension B, and the third dimension C is 1.55mm. Through testing, it is found that pulling a pair of grippers 22 out of the base 10 requires a pulling force of more than 5.87N.

[0102] As a comparison, Figure 8 This is a force diagram of an inverted T-shaped gripper in related technologies, such as... Figure 8As shown, the magnitude of the obstruction effect of the inverted T-shaped gripper on the base 10 is related to the sum of the fourth dimension D and the fifth dimension E in the figure; the larger the sum, the greater the obstruction effect.

[0103] The length L6 of the inverted T-shaped gripper is 1.4 mm, the width L7 at the narrowest point of the inverted T-shaped gripper is 0.2 mm, and the width L8 at the widest point is 1 mm. The sum of the fourth dimension D and the fifth dimension E is 0.8 mm. Only a pulling force of 3.8 N is required to pull a pair of these inverted T-shaped grippers out of the base 10.

[0104] As can be seen, with the same total length of the gripper 22, the gripper 22 in this embodiment can generate a greater bonding force with the base 10 with a narrower width, so that the gripper 22 is firmly connected to the base 10, while also reducing the risk of short circuit caused by contact between adjacent grippers 22.

[0105] It should be noted that the tensile force values ​​mentioned above were measured based on the same material and the same manufacturing process used for the substrate 10. The bonding force between the gripper 22 and the substrate 10 is also related to factors such as the material of the substrate 10 and the manufacturing process of the substrate 10. The measured tensile force will also change after the material and / or the manufacturing process is changed.

[0106] This application also provides an aerosol generating apparatus, which may include a power supply component and any of the aforementioned heating components. The power supply component is used to supply power to the heating component to heat the aerosol matrix, thereby forming an aerosol.

[0107] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application, and should all be included within the protection scope of this application.

Claims

1. A heating element, characterized in that, It includes a main body (21) and multiple grippers (22), the multiple grippers (22) extending toward the same side of the main body (21), the multiple grippers (22) being distributed along the edge of the main body (21) and respectively connected to the main body (21); The gripper (22) includes a connecting part (221) and a side protrusion (222). The connecting part (221) has two opposite ends in its own length direction. One end of the connecting part (221) is connected to the main body (21). The side protrusion (222) is connected to one side of the two opposite sides in the width direction of the connecting part (221).

2. The heating element according to claim 1, characterized in that, The lateral protrusion (222) includes a plurality of side branches (2220), which are spaced apart along the length direction of the connecting portion (221).

3. The heating element according to claim 2, characterized in that, At least a portion of the plurality of side branches (2220) are recessed at the connection point with the connecting portion (221), and the notch (222a) is located on the side of the side branch (2220) closer to the main body (21).

4. The heating element according to claim 3, characterized in that, The notch (222a) is arc-shaped.

5. The heating element according to any one of claims 2 to 4, characterized in that, A through hole (222b) is provided at least at one of the following locations: At least part of the lateral branch (2220); At least part of the connection between the side branch (2220) and the connecting part (221); The connecting part (221).

6. The heating element according to claim 5, characterized in that, The through hole (222b) includes a circular hole with a diameter of 0.1mm to 0.5mm.

7. The heating element according to any one of claims 2 to 4, 6, characterized in that, The plurality of side branches (2220) include a first side branch (2221) and a second side branch (2222), wherein the first side branch (2221) is located on the side of the second side branch (2222) away from the main body (21); along the length direction of the connecting portion (221), the size of the first side branch (2221) is larger than the size of the second side branch (2222).

8. The heating element according to claim 7, characterized in that, The first side branch (2221) is flush with the end of the connecting part (221) away from the main body (21).

9. The heating element according to any one of claims 1 to 4, 6, and 8, characterized in that, The width of the connecting part (221) is 0.05mm to 0.5mm; in the width direction of the connecting part (221), the distance between the side of the side protrusion (222) away from the connecting part (221) and the side of the connecting part (221) away from the side protrusion (222) is 0.2mm to 1.5mm.

10. The heating element according to any one of claims 1 to 4, 6, and 8, characterized in that, The main body (21) includes a heating element (211) and two power supply elements (212). The heating element (211) has two opposite ends in its own length direction. The two power supply elements (212) are respectively connected to the two ends of the heating element (211). The heating element (211) and the power supply elements (212) are both connected to the gripper (22).

11. The heating element according to claim 10, characterized in that, The heating element (211) has two opposite sides, and the connecting parts (221) and the side protrusions (222) of a plurality of grippers (22) located on the same side of the heating element (211) are alternately distributed.

12. A heating assembly, characterized in that, Includes a substrate (10) and a heating element (20) as claimed in any one of claims 1 to 11, wherein at least a portion of the body (21) of the heating element (20) is located on the surface of the substrate (10), and the gripper (22) of the heating element (20) is embedded in the substrate (10).

13. An aerosol generating device, characterized in that, It includes a power supply component and a heating component as described in claim 12, wherein the power supply component is used to supply power to the heating component.

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