Heating element, atomization assembly, and mold device

Abstract

Disclosed in the present application are a heating element, an atomization assembly, and a mold device. The heating element (1000) comprises a heating main body (1), electric connectors (2) and a supporting member (3), wherein the heating main body (1) is of a mesh structure; two opposite ends of the heating main body (1) are respectively provided with the electric connectors (2), each of the electric connectors (2) having a first connection end (201) and a second connection end (202) in the direction of length which protrude outwards relative to the heating main body (1); the supporting member (3) is formed on the heating main body (1) and is spaced apart from and parallel to the electric connectors (2); and the supporting member (3) comprises a first supporting end (301) flush with the first connection ends (201) of the electric connectors (2). The atomization assembly (2000) comprises a ceramic substrate (3000) of a cylindrical structure and the heating element (1000), wherein the heating element (1000) is arranged on the inner wall face of the ceramic substrate (3000). The mold device is used for manufacturing the ceramic substrate (3000) of the atomization assembly (2000).

Description

Heating elements, atomizing components and mold equipment

[0001] This application claims priority to the Chinese patent application filed with the China Patent Office on January 30, 2024, with application number CN202420225618.7 and invention name “Heating element, atomization assembly and mold equipment”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of atomization technology, and in particular to a heating element, an atomization component and a mold device. Background Art

[0003] A mesh heating element (i.e., a mesh heating mesh) is a heating element made of metal plates or metal tubes through chemical etching, stamping, laser / mechanical engraving, etc., with honeycomb, prismatic or rectangular patterns. The resistance of the heating element and the degree of heat concentration can be adjusted by controlling the pattern size.

[0004] In the related art, the ceramic heating element of most atomizers consists of a cylindrical hollow ceramic base and a mesh heating network fixed to the inner wall of the ceramic base. The ceramic base and the mesh heating network are combined during the molding process. However, some current mesh heating networks are discontinuous in the circumferential direction, with low structural strength and easy deformation. During the ceramic base manufacturing process, the mesh heating network and the ceramic base are not precisely positioned, and the mesh heating network expands and deforms, resulting in unstable bonding and poor consistency between the mesh heating network and the ceramic base. Technical issues

[0005] One of the purposes of the embodiments of the present application is to provide a heating element, an atomizing assembly and a mold device, aiming to solve the problems of low structural strength, unstable bonding with the ceramic matrix and poor consistency of the existing mesh heating elements. Technical Solutions

[0006] To solve the above technical problems, the technical solutions adopted in the embodiments of the present application are:

[0007] In the first aspect, an embodiment of the present application provides a heating element for heating and atomizing an aerosol-generating matrix, comprising: a heating body, an electrical connector and a support member; the heating body has a mesh structure; the electrical connectors are respectively provided at opposite ends of the heating body; the connector has a first connecting end and a second connecting end protruding outward relative to the heating body along the length direction; the support member is formed on the heating body; the support member is spaced apart and arranged parallel to the electrical connector; the support member includes a first supporting end flush with the first connecting end of the electrical connector.

[0008] In a possible design, the support member further includes a second support end flush with the second connection end of the electrical connector.

[0009] In a possible design, the electrical connector is provided with an extension piece extending outward in a direction perpendicular to the electrical connector, and the extension piece is spaced apart from the heating body.

[0010] In one possible design, the extension piece is any one of an L-shaped structure, an H-shaped structure, and a rectangular structure.

[0011] In a possible design, the number of the support member is one, and the heating body has an axisymmetric structure with the support member as the axis of symmetry.

[0012] In a possible design, the support member separates the heat-generating body into two left and right heat-generating zones, and each heat-generating zone is formed between the support member and the electrical connector.

[0013] In a possible design, the heating body includes a plurality of heating wires connected in an interlaced manner and meshes formed between the heating wires; and the resistance value of the supporting member is configured to be greater than the resistance value of the heating wires.

[0014] In a possible design, the width of the support member is set to be greater than the maximum width of the heating wire.

[0015] In a possible design, the width of the support member ranges from 0.4 mm to 0.6 mm; the width of the heating wire ranges from 0.05 mm to 0.20 mm.

[0016] In a possible design, the cross-section of the heating body is in the shape of an arc, and a gap is formed between the two electrical connectors.

[0017] In a possible design, the heating element further includes a lead wire provided on the electrical connector.

[0018] In a possible design, the support member and the heating body are an integrated structure.

[0019] In a second aspect, an embodiment of the present application provides an atomization assembly, comprising a ceramic substrate with a cylindrical structure and the heating element, wherein the heating element is arranged on the inner wall surface of the ceramic substrate.

[0020] In a possible design, the ceramic substrate has a porous structure, and the inner wall surface of the ceramic substrate defines a cylindrical atomization cavity.

[0021] In the third aspect, an embodiment of the present application provides a mold device for producing the ceramic substrate of the atomization component, including: a positioning sleeve assembly and a forming mold; the positioning sleeve assembly is used to position and cooperate with the heating element; the positioning sleeve assembly includes an inner core, a sleeve assembly sleeved on the inner core, and an injection molding groove formed on the sleeve assembly; the heating element can be arranged at the injection molding groove and cover the inner core, and a positioning boss is formed on the inner core that is limited and cooperated with the heating element; the forming mold is used to shape the ceramic substrate; the positioning sleeve assembly is positioned and cooperated with the heating element and is placed in the forming mold, and the injection molding groove is injected in the forming mold to form the ceramic substrate. Beneficial effects

[0022] The beneficial effects of the heating element, atomizing assembly, and mold equipment provided by the embodiments of the present application are:

[0023] By arranging a support member that is spaced apart from and parallel to the electrical connector on the heating body, the support member can strengthen the structural strength of the heating body and improve the structural stability of the heating body; and the positioning sleeve assembly is designed to match the heating element. During the manufacturing process of the ceramic substrate, the heating element and the positioning sleeve assembly are positioned and matched, and the first connecting end of the electrical connector and the first supporting end of the support member are respectively abutted against the positioning boss on the inner core, which can reduce the position offset and deformation of the heating element during the molding process of the ceramic substrate, so that the heating element can be accurately positioned when combined with the ceramic substrate, thereby improving the reliability and consistency of the combination. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0025] FIG1 is a schematic diagram of the three-dimensional structure of an atomizing assembly provided in one embodiment of the present application;

[0026] FIG2 is a schematic cross-sectional view of an atomizing assembly according to an embodiment of the present application;

[0027] FIG3 is a schematic diagram of the three-dimensional structure of a heating element provided in one embodiment of the present application;

[0028] FIG4 is a front view of a heating element provided in one embodiment of the present application;

[0029] FIG5 is a top view of a heating element provided in one embodiment of the present application;

[0030] FIG6 is a schematic diagram of the structure of a heating element without leads provided in one embodiment of the present application;

[0031] FIG7 is a schematic diagram of the three-dimensional structure of the heating element and the positioning sleeve assembly after positioning and matching according to an embodiment of the present application;

[0032] FIG8 is an enlarged view of a portion A in FIG7 ;

[0033] FIG9 is a schematic diagram of a three-dimensional structure of a heating element and a positioning sleeve assembly provided in an embodiment of the present application placed in a forming mold;

[0034] FIG10 is a schematic diagram of a three-dimensional structure in which a ceramic substrate is formed on a positioning sleeve assembly according to an embodiment of the present application.

[0035] Among them, the reference numerals in the figures are:

[0036] 1000, heating element; 2000, atomization component; 3000, ceramic substrate;

[0037] 4000, positioning sleeve assembly;

[0038] 4001, inner core; 6002, first sleeve; 6003, second sleeve;

[0039] 6001, injection molding groove; 4005, positioning boss;

[0040] 1. Heating element; 101. Heating wire; 102. Mesh;

[0041] 2. Electrical connector; 201; First connection end; 202; Second connection end; 203; Extension member;

[0042] 3. Support member; 301. First support end; 302. Second support end;

[0043] 4. Lead; 5. Notch. Modes for Carrying Out the Invention

[0044] The following describes in detail embodiments of the present application, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0045] In the description of this application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and 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, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0046] 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 the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0047] In this application, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components or interactions between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on specific circumstances.

[0048] In this application, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0049] In order to illustrate the technical solution described in this application, the following is a detailed description with reference to specific drawings and embodiments.

[0050] Please refer to Figures 1 and 2. An embodiment of the present application provides an atomization assembly 2000, which can be used in a nebulizer to heat and atomize an aerosol-generating matrix; the atomization assembly 2000 includes a ceramic base 3000 with a cylindrical structure and a heating element 1000; the heating element 1000 has an arc-shaped mesh structure, and the heating element 1000 is arranged on the inner wall surface of the ceramic base 3000.

[0051] Specifically, the ceramic substrate 3000 has a porous structure, and the ceramic substrate 3000 is connected to the liquid storage chamber in the atomizer. The ceramic substrate 3000 can form a capillary effect, and the liquid aerosol-generating matrix can enter the ceramic substrate 3000 and be transported to the heating element 1000; by powering the heating element 1000 to rapidly heat up the heating element 1000, the atomized aerosol-generating matrix is ​​heated.

[0052] 1 , the inner wall of the ceramic substrate 3000 defines a cylindrical atomizing chamber 3001 for mixing aerosol generated by atomization with external air. The atomizing chamber 3001 is connected to an air outlet channel formed in the atomizer, thereby discharging the mixture of aerosol and external air.

[0053] It can be understood that the ceramic base 3000 is formed by sintering, and the ceramic base 3000 is integrally formed with the heating element 1000 during the forming process, so that the heating element 1000 is attached to the inner wall surface of the ceramic base 3000, and the combination of the two is stable and has good integrity.

[0054] 7, 8, 9, and 10, an embodiment of the present application further provides a mold device for manufacturing a ceramic substrate 3000; the mold device includes a positioning sleeve assembly 4000 and a forming mold 5000; the positioning sleeve assembly 4000 is used to position and cooperate with the heating element 1000; the positioning sleeve assembly 4000 includes an inner core 4001, a sleeve assembly 6000 sleeved on the inner core 4001, and an injection molding groove 600 formed on the sleeve assembly 6000. 1; The heating element 1000 can be arranged at the injection molding groove 6001 and cover the inner core 4001, and a positioning boss 4005 is formed on the inner core 4001 to limit the heating element 1000; the molding mold 5000 is used to mold the ceramic substrate 3000; the positioning sleeve assembly 6000 is positioned and matched with the heating element 1000 and placed in the molding mold 5000, and the injection molding groove 6001 is injected in the molding mold 5000 to form the ceramic substrate 3000.

[0055] Specifically, the sleeve assembly 6000 includes a first sleeve 6002 and a second sleeve 6003 respectively sleeved on both ends of the inner core 4001 ; the first sleeve 6002 and the second sleeve 6003 are spaced apart and form an injection molding groove 6001 .

[0056] It can be understood that the specific process of forming the ceramic substrate 3000 is as follows: first, the heating element 1000 is covered and adhered to the surface of the inner core 4001 in the injection molding groove 6001; then, the entire positioning sleeve assembly 4000 is placed in the molding mold 5000 to complete the ceramic slurry injection and preliminary molding, so that the ceramic substrate 3000 will be formed in the injection molding groove 6001, and the heating element 1000 will be close to the inner wall surface of the ceramic substrate 3000; finally, the inner core 4001 is pulled out of the ceramic substrate 3000; subsequently, the ceramic substrate 3000 is dried and fired to finally obtain an integrally formed ceramic substrate 3000 and heating element 1000.

[0057] Please refer to Figures 3, 4, and 5. In some embodiments, the heating element 1000 includes a heating body 1, an electrical connector 2, and a support member 3. The heating body 1 has a mesh structure; the electrical connectors 2 are respectively provided at the opposite ends of the heating body 1, and the electrical connector 2 has a first connection end 201 and a second connection end 202 that protrude outward relative to the heating body 1 along the length direction; the support member 3 is formed on the heating body 1 and is spaced apart from and arranged parallel to the electrical connector 2; the support member 3 includes a first support end 301 that is flush with the first connection end 201 of the electrical connector 2.

[0058] Specifically, the heating body 1 is a mesh metal heating element, also known as a mesh heating net. The heating body 1 is made of metal sheets or metal tubes through chemical etching, stamping, laser / mechanical engraving, etc. The material of the heating body 1 can be an alloy formed by combining one or more of copper, iron, nickel, chromium, titanium, and aluminum; in some embodiments, the heating body 1 can be designed with a honeycomb, prismatic or rectangular pattern structure as required to better atomize the aerosol to generate the matrix, and the resistance value and heat concentration of the heating body 1 can be adjusted by controlling the pattern size.

[0059] The electrical connectors 2 are provided at opposite ends of the heating element 1 to form a pair of electrodes for the heating element 1. By connecting this pair of electrodes to an external power source, electrical energy can be supplied to the heating element 1, enabling the heating element 1 to generate heat through electrical conduction. Referring to Figure 6 , the length of the electrical connector 2 is longer than the height of the heating element 1, and the first and second connecting ends 201, 202 of the electrical connector 2 protrude outward from the heating element 1.

[0060] It can be understood that the support member 3 and the heating element 1 are an integrated structure. The support member 3 is formed on the heating element 1 and is spaced apart from the electrical connector 2. The length direction of the support member 3 is parallel to the length direction of the electrical connector 2. By providing the support member 3 on the heating element 1, the structural strength of the heating element 1 can be enhanced, and the structural stability of the heating element 1 can be improved.

[0061] In some embodiments, the number of the support member 3 may be one; in other embodiments, the number of the support member 3 may be multiple, and the multiple support members 3 are arranged on the heating body 1 at intervals.

[0062] Specifically, the first supporting end 301 of the supporting member 3 protrudes outward relative to the heating body 1 and is flush with the first connecting end 201 of the electrical connector 2 . Referring to Figure 7, a positioning boss 4005 is formed on the inner core 4001, and the positioning boss 4005 is located in the injection molding groove 6001; when the heating element 1000 is positioned and matched with the positioning sleeve assembly 4000, the heating element 1000 covers and fits the surface of the inner core 4001 in the injection molding groove 6001, and the first connection ends 201 of the two electrical connectors 2 and the first support end 301 of the support member 3 are respectively against the positioning boss 4005, which can effectively limit the heating element 1000, reduce the occurrence of offset and deformation of the heating element 1000 during the molding process of the ceramic substrate 3000, limit the position of the heating element 1000 on the inner wall surface of the ceramic substrate 3000, and make the combination positioning accurate; then the heating element 1000 can be stably combined with the ceramic substrate 3000, and improve the combination reliability and consistency.

[0063] In some embodiments, the number of positioning bosses 4005 is one, that is, when the heating element 1000 is positioned and matched with the positioning sleeve assembly 4000, the first connection ends 201 of the two electrical connectors 2 and the first support end 301 of the support member 3 respectively abut against the positioning boss 4005 to limit the heating element 1000.

[0064] In some embodiments, the number of positioning bosses 4005 is 2, which are arranged at intervals, that is, when the heating element 1000 is positioned and matched with the positioning sleeve assembly 4000, the heating element 1000 is arranged between the two positioning bosses 4005; one of the positioning bosses 4005 is limited and matched with the first connection ends 201 of the two electrical connectors 2 and the first support end 301 of the support member 3, and the other positioning boss 4005 is limited and matched with the second connection ends 202 of the two electrical connectors 2, and the limiting effect is better.

[0065] The heating element 1000 of the present application is configured with a support member 3 spaced apart from and parallel to the electrical connector 2 on the heating body 1. The support member 3 can strengthen the structural strength of the heating body 1 and improve the structural stability of the heating body 1. During the manufacturing process of the ceramic substrate 3000, the heating element 1000 is positioned and matched with the positioning sleeve assembly 4000. The first connection end 201 of the electrical connector 2 and the first support end 301 of the support member 3 are respectively abutted against the positioning boss 4005 on the inner core 4001, thereby reducing the occurrence of positional offset and deformation of the heating element 1000 during the molding process of the ceramic substrate 3000, so that the heating element 1000 is accurately positioned when combined with the ceramic substrate 3000, thereby improving the reliability and consistency of the combination.

[0066] 4 and 6 , in some embodiments, the support member 3 further includes a second support end 302 flush with the second connection end 202 of the electrical connector 2 .

[0067] Specifically, the length of the support member 3 is configured to be equal to the length of the electrical connector 2, that is, the first supporting end 301 of the support member 3 is flush with the first connecting end 201 of the electrical connector 2; the second supporting end 302 of the support member 3 is flush with the second connecting end 202 of the electrical connector 2, so that the heating element 1000 has a neat structure.

[0068] In some embodiments, two positioning bosses 4005 are formed on the inner core 4001 and are spaced apart along the axial direction of the inner core 4001. When the heating element 1000 is positioned and matched with the inner core 4001, the first support end 301 of the support member 3 and the first connection end 201 of the electrical connector 2 are limited and matched with one of the positioning bosses 4005 along the axial direction of the inner core 4001; the second support end 302 of the support member 3 and the second connection end 202 of the electrical connector 2 are limited and matched with the other positioning boss 4005 along the axial direction of the inner core 4001; that is, during the molding process of the ceramic substrate 3000, the two ends of the heating element 1000 can be effectively limited, the position offset of the heating element 1000 can be reduced, and the heating element 1000 and the ceramic substrate 3000 can be precisely positioned.

[0069] Please refer to FIG. 2 and FIG. 3 . In some embodiments, the electrical connector 2 is provided with an extension piece 203 extending outward in a direction perpendicular to the electrical connector 2 . The extension piece 203 is spaced apart from the heating body 1 .

[0070] It can be understood that an outward-extending extension piece 203 is provided on the electrical connector 2. When the heating element 1000 is wrapped and matched with the inner core 4001, the extension piece 203 will be tilted outward relative to the inner core 4001. Then, when ceramic slurry is subsequently injected into the molding mold 5000, the extension piece 203 will be embedded in the interior of the ceramic slurry. Then, after the ceramic matrix 3000 is formed, the bonding force between the heating element 1000 and the ceramic matrix 3000 can be enhanced, so that the molding of the two can be stable.

[0071] Specifically, the extension piece 203 may be, but is not limited to, an L-shaped structure, an H-shaped structure, a rectangular structure, or the like.

[0072] In some embodiments, referring to FIG6 , the electrical connector 2 is provided with extension pieces 203 on both sides of the heating body 1 along the length direction, so that the portions of the electrical connector 2 on both sides of the heating body 1 are stably bonded to the ceramic base 3000 with uniform bonding force.

[0073] 3 and 4 , in some embodiments, the number of the support member 3 is one, and the heating body 1 presents an axisymmetric structure with the support member 3 as the axis of symmetry.

[0074] It can be understood that electrical connectors 2 are provided at both ends of the heating body 1, and the electrical connectors 2 can provide a certain supporting effect on the side ends of the heating body 1; and since the heating body 1 is a mesh structure, the structure of the heating body 1 at the axially symmetrical position is relatively weak, so the support member 3 is provided at the axially symmetrical position of the heating body 1, which can effectively improve the structural strength of the heating body 1 and limit the deformation of the heating body 1.

[0075] Providing only one support member 3 can reduce the influence of the support member 3 on the heat generated by the heating body 1, thereby ensuring that the heating body 1 can heat up stably.

[0076] Please refer to Figures 3 to 6. In some embodiments, the heating body 1 includes a plurality of heating wires 101 connected in an interlaced manner and meshes 102 formed between the heating wires 101; the resistance value of the support member 3 is configured to be greater than the resistance value of the heating wires 101.

[0077] Specifically, referring to Figure 3, the heating body 1 is formed by interweaving heating wires 101 to form a mesh structure. The shape of the heating wires 101 can be, but is not limited to, serpentine, wavy, arc-shaped, S-shaped, Z-shaped, etc.; and by adjusting the structural parameters such as the thickness, line width, line length, line height, and line spacing of the heating wires 101, the resistance value, heat flow, and temperature gradient design of the heating body 1 are achieved to meet different puffing taste requirements.

[0078] In some embodiments, the thickness of the support member 3 is close to the thickness of the heating wire 101, and the two are made of the same material; the width of the support member 3 is set to be greater than the maximum width of the heating wire 101, so that the resistance value of the support member 3 is less than the resistance value of the heating wire 101, and the support member 3 is set at an axially symmetrical position of the heating body 1. Then, during the atomization heating process of the heating body 1, the temperature at the support member 3 will be lower than the temperature of the heating wire 101, which can effectively reduce the temperature of the central area of ​​the heating body 1 and avoid the phenomenon that the heating wire 101 is burned out due to excessive heat in the middle position of the heating body 1.

[0079] In some embodiments, the width of the heating wire 101 ranges from 0.05 mm to 0.20 mm. Specifically, the width of the heating wire 101 can be 0.05 mm, 0.10 mm, 0.15 mm, or 0.20 mm.

[0080] In some embodiments, the width of the support member 3 ranges from 0.4 to 0.6 mm. Specifically, the width of the support member 3 can be 0.4 mm, 0.45 mm, 0.5 mm, 0.55 mm, 0.6 mm, etc.

[0081] It can be understood that the width of the support member 3 is much larger than the width of the heating wire 101, so the structural support strength of the support member 3 is stronger than that of the heating wire 101. The support member 3 can effectively strengthen the structural strength of the heating body 1 and improve the structural stability of the heating body 1. In addition, the resistance value of the support member 3 will be much smaller than the resistance value of the heating wire 101. During the atomization heating process of the heating body 1, the heat generated by the support member 3 is basically negligible compared to the heat generated by the heating wire 101. That is, the temperature of the support member 3 is much lower than the temperature of the heating wire 101, which can effectively reduce the temperature of the central area of ​​the heating body 1 and improve the reliability of the heating body 1. The support member 3 can then separate the heating body 1 into two left and right heating zones, each of which is formed between the support member 3 and the electrical connector 2, making the heating body 1 heat more evenly and more reliable to use.

[0082] With reference to FIG. 2 and FIG. 3 , in some embodiments, the heating element 1000 further includes a lead 4 provided on the electrical connector 2 .

[0083] It is understandable that a lead 4 is provided on the electrical connector 2 to facilitate electrical connection between the heating element 1000 and an external power source. The lead 4 can be connected to the electrical connector 2 by welding or bonding with a conductive adhesive.

[0084] 1 and 2 , during the molding process of the ceramic substrate 3000 , the lead 4 will be embedded in the ceramic slurry, making the structure of the lead 4 stable.

[0085] Specifically, when the atomizer assembly 2000 is used in an atomizer, the atomizer battery is electrically connected to the lead 4 to power the heating element 1000 .

[0086] 3 and 5 , in some embodiments, the cross-section of the heating body 1 is in the shape of a major arc, and a gap 5 is provided between the two electrical connectors 2 .

[0087] Specifically, the heating element 1 of the present application is formed from a mesh of metal sheets rolled into an arc shape. This means that the heating element 1 has a discontinuous structure in the circumferential direction, making it easy to manufacture and relatively inexpensive. Furthermore, a gap 5 is formed between the two electrical connectors 2 to prevent short circuits in the heating element 1 and improve product reliability.

[0088] It can be understood that since the heating body 1 is a discontinuous structure in the circumferential direction, its structural strength is low and it is easy to deform; therefore, a support member 3 is provided on the heating body 1 to effectively improve the structural stability of the heating body 1, and prevent the heating body 1 from deforming when combined with the ceramic substrate 3000. During the molding and sintering process of the ceramic substrate 3000, the heating body 1 maintains an arc-shaped structure and will not expand and deform. The ceramic substrate 3000 and the heating element 1000 are stably integrated with each other, with good consistency and no defects.

[0089] The above are merely optional embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included within the scope of the claims of the present application.

Claims

1. A heating element for heating and atomizing an aerosol-generating substrate, characterized in that: include: A heating body, wherein the heating body has a mesh structure; An electrical connector is provided at opposite ends of the heating element; the connector has a first connecting end and a second connecting end respectively protruding outward relative to the heating element along the length direction; A support member is formed on the heat-generating main body; the support member is spaced apart from and arranged in parallel with the electrical connector; the support member includes a first support end flush with the first connection end of the electrical connector.

2. The heating element according to claim 1, characterized in that The support member further includes a second support end flush with the second connection end of the electrical connector.

3. The heating element according to any one of claims 1 to 2, characterized in that An extension piece extending outwardly in a direction perpendicular to the electrical connector is provided on the electrical connector, and the extension piece is spaced apart from the heating body.

4. The heating element according to claim 3, characterized in that The extension piece is any one of an L-shaped structure, an H-shaped structure, and a rectangular structure.

5. The heating element according to any one of claims 1 to 4, characterized in that The number of the supporting member is one, and the heating body is an axisymmetric structure with the supporting member as the axis of symmetry.

6. The heating element according to claim 5, characterized in that The support member divides the heat-generating body into two left and right heat-generating areas, and each heat-generating area is formed between the support member and the electrical connector.

7. The heating element according to any one of claims 1 to 6, characterized in that The heating body includes a plurality of heating wires connected in an interlaced manner and meshes formed between the heating wires; and the resistance value of the supporting member is configured to be greater than the resistance value of the heating wires.

8. The heating element according to claim 7, characterized in that The width of the support member is set to be greater than the maximum width of the heating wire.

9. The heating element according to claim 7 or 8, characterized in that The width of the support member ranges from 0.4 mm to 0.6 mm; the width of the heating wire ranges from 0.05 mm to 0.20 mm.

10. The heating element according to any one of claims 1 to 9, characterized in that The cross section of the heating body is in an arc shape, and a gap is formed between the two electrical connectors.

11. The heating element according to any one of claims 1 to 10, characterized in that The heating element further includes a lead wire disposed on the electrical connector.

12. The heating element according to any one of claims 1 to 11, characterized in that The support member and the heating body are an integrated structure.

13. An atomizing assembly, characterized in that: It comprises a ceramic substrate with a cylindrical structure and a heating element according to any one of claims 1 to 12, wherein the heating element is arranged on the inner wall surface of the ceramic substrate.

14. The heating element according to claim 13, characterized in that The ceramic substrate has a porous structure, and the inner wall surface of the ceramic substrate defines a cylindrical atomization cavity.

15. A mold device for making the ceramic substrate of the atomizing assembly according to claim 13 or 14, characterized in that: include: A positioning sleeve assembly is used to position and cooperate with the heating element; the positioning sleeve assembly includes an inner core, a sleeve assembly sleeved on the inner core, and an injection molding groove formed on the sleeve assembly; the heating element can be arranged in the injection molding groove and cover the inner core, and a positioning boss is formed on the inner core to limit and cooperate with the heating element; A forming mold is used to form the ceramic matrix; the positioning sleeve assembly is positioned and matched with the heating element and placed in the forming mold, and material is injected into the injection molding groove in the forming mold to form the ceramic matrix.

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