Heating assembly and aerosol generating device

Abstract

The utility model belongs to the technical field of aerosol generation, and discloses a heating assembly and an aerosol generation device. The heating assembly comprises a base body, a first electrode and a second electrode. Wherein the base body is tubular; the first electrode is arranged on the surface of the base body and surrounds the base body; the second electrode is of an elastic structure formed by bending a conductive wire, and the elastic force of the second electrode can clamp the base body, so that the second electrode is in contact with the first electrode to form electric connection. According to the utility model, the adaptability of electric contact can be improved, the installation process is simple, the contact reliability can be ensured through the second electrode, the second electrode can also be ensured not to occupy too much area, and the utilization efficiency of space is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aerosol generating technical field especially, relate to a kind of heating assembly and aerosol generating device. BACKGROUND

[0002] Aerosol generating device is the aerosol special-purpose equipment that solid or liquid particles are suspended by heating, ultrasonic oscillation, mechanical force, high-pressure gas etc.;Among them, the particle is heated to sublimation temperature by heating assembly, and it is converted into gaseous suspended aerosol, which is one of the most common generation methods.

[0003] At present, in aerosol generating device, electrode is arranged on heating tube, so as to realize the heating process of solid or liquid particles by electric effect conversion into heat effect.

[0004] The existing heating tube adopts vertical electrode, according to the structural characteristics of vertical electrode, the area of upper and lower is relatively large, elastic contact piece can be used to realize reliable electrical contact of heating assembly;In addition, the heating tube can also use ring electrode, due to the structural characteristics of ring electrode, the area of upper and lower is relatively small, when elastic contact piece is used with ring electrode, elastic contact piece is difficult to realize contact, and elastic contact piece will also cause the problem of increased occupied area. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of heating assembly and aerosol generating device, can improve the adaptability of electrical contact, installation process is simple and by second electrode, it can guarantee the reliability of contact, also can guarantee that second electrode will not occupy too much area, improve the utilization efficiency of space.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] A kind of heating assembly, comprising:

[0008] Base body, is tubular;

[0009] First electrode, the first electrode is arranged on the surface of the base body and is arranged around the base body;

[0010] Second electrode, the second electrode is the structure with elasticity formed by bending conductive wire, and the elastic force of the second electrode can hold the base body, so as to keep contact with the first electrode to form electrical connection.

[0011] As an optional scheme of a kind of heating assembly, the second electrode has at least two parts in contact with the first electrode.

[0012] As an optional solution of the heating assembly, the distance between the at least two contact positions of the second electrode and the center point of the substrate is less than the radius of the substrate.

[0013] As an optional solution of the heating assembly, the second electrode is wavy along the circumferential direction of the substrate.

[0014] As an optional solution of the heating assembly, the second electrode has a plurality of contact positions, the plurality of contact positions are distributed along the circumferential direction of the substrate, and the maximum distance between the plurality of contact positions in the circumferential direction of the substrate is greater than or equal to 1 / 2 of the circumference of the substrate.

[0015] As an optional solution of the heating assembly, the contact position between the second electrode and the first electrode is provided with a plating layer.

[0016] As an optional solution of the heating assembly, the heating assembly further comprises a first shell, the first shell is sleeved on the outside of the substrate, the first shell is provided with a avoiding hole, and part of the structure of the second electrode passes through the avoiding hole to maintain contact with the first electrode.

[0017] As an optional solution of the heating assembly, the heating assembly further comprises a lead wire, the lead wire is located outside the first shell, one end of the lead wire is electrically connected with the part of the second electrode located outside the first shell, and the other end of the lead wire extends along the axial direction of the substrate.

[0018] As an optional solution of the heating assembly, the heating assembly further comprises a heat insulation member, the heat insulation member is arranged between the substrate and the first shell.

[0019] As an optional solution of the heating assembly, the heating assembly further comprises a heating film arranged on the surface of the substrate and a temperature measuring element, the temperature measuring element is attached to the surface of the heating film, the first shell is provided with a first gap, the temperature measuring element is located in the first gap, and the temperature measuring element is arranged in a gap with the inner wall of the first gap.

[0020] As an optional solution of the heating assembly, the second electrode is a non-closed structure with elasticity formed by bending a conductive wire.

[0021] An aerosol generating device, the aerosol generating device comprising a housing and the heating assembly of any one of the above solutions, the heating assembly being arranged inside the housing.

[0022] Beneficial effects:

[0023] In the first aspect of the utility model, the second electrode of the heating assembly is formed by bending the conductive wire to have a non-closed structure with elasticity, and the adaptability of electrical contact can be effectively improved by clamping the base through the elastic force; in addition, the installation process is simple, the contact reliability can be ensured through the elastic force, the second electrode does not occupy too much area, and the utilization efficiency of space is improved.

[0024] In the second aspect of the utility model, the aerosol generating device based on the above heating assembly can be applied to various aerosol generating occasions, not only can reduce the cost of the aerosol generating device, but also can further reduce the assembly difficulty of the aerosol generating device, in addition, the shell can ensure the stable work of the heating assembly in the inside. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the assembly structure schematic view of base, heating film and first electrode provided by the utility model embodiment;

[0026] Figure 2 It is the structure schematic view of second electrode and first electrode on base cooperation provided by the utility model embodiment;

[0027] Figure 3 It is the structure schematic view of second electrode provided by the utility model embodiment;

[0028] Figure 4 It is the structure schematic view of heating assembly provided by the utility model embodiment;

[0029] Figure 5 It is the structure schematic view of heating assembly of hiding second electrode and lead wire provided by the utility model embodiment;

[0030] Figure 6 It is the structure schematic view of heating assembly of hiding lead wire provided by the utility model embodiment;

[0031] Figure 7 It is the assembly structure schematic view of first shell and temperature measuring element provided by the utility model embodiment;

[0032] Figure 8 It is the installation structure schematic view of temperature measuring element and heat insulation piece provided by the utility model embodiment;

[0033] Figure 9 It is the structure schematic view of temperature measuring element and heat insulation piece using high temperature adhesive tape fixation provided by the utility model embodiment.

[0034] In the drawing:

[0035] 1, base; 11, heating chamber; 2, first electrode; 3, second electrode; 31, lead wire; 4, heating film; 5, temperature measuring element; 6, heat insulation piece; 61, second notch; 7, high-temperature adhesive tape; 8, sealing ring; 91, first housing; 911, avoiding hole; 912, clamping convex; 913, first notch; 92, second housing; 921, clamping groove. DETAILED DESCRIPTION

[0036] The utility model will be described in further detail below in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the utility model and are not limited to the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description, not all the structures.

[0037] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0038] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0039] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description and have no special meaning.

[0040] Please refer to the drawings Figure 1 -Appendix Figure 3The first aspect of the embodiment relates to a heating assembly, which comprises a base body 1, a first electrode 2 and a second electrode 3. The base body 1 is in a tubular shape. The first electrode 2 is arranged on the surface of the base body 1 and surrounds the base body 1. The second electrode 3 is formed by bending a conductive wire and has an elastic structure. The elastic force of the second electrode 3 can hold the base body 1 so as to keep contact with the first electrode 2 to form an electrical connection.

[0041] In the embodiment, the base body 1 is a cylindrical tube. The hollow part of the base body 1 forms a heating chamber 11 for removably placing an aerosol generating article capable of generating aerosol.

[0042] The first electrode 2 is arranged along the circumferential outer wall of the base body 1. A plurality of first electrodes 2 can be arranged on the same base body 1. In the embodiment, three first electrodes 2 are arranged at intervals. Each first electrode 2 is electrically connected to a corresponding second electrode 3. Those skilled in the art can understand that the first electrode 2 is not limited to being arranged on the outer surface of the base body 1. The first electrode 2 can also be arranged on the inner surface of the base body 1. In addition, the first electrode 2 is not limited to being arranged in a closed manner with the first electrode 2 connected to the tail of the first electrode 2 on the base body 1. The first electrode 2 can also be arranged in a semi-closed or non-closed manner on the base body 1. Those skilled in the art can adjust the structure, arrangement position and cooperation state of the first electrode 2 with the base body 1 according to the actual use scene and the use cost of the material. The embodiment is not limited in detail.

[0043] The second electrode 3 is formed by bending a conductive wire. The second electrode 3 is in an open or closed structure. Preferably, the second electrode 3 is in an open structure, i.e., the second electrode 3 is in a C-shaped open structure as a whole. The second electrode 3 has elasticity. The material of the second electrode 3 can be an elastic metal material, such as stainless steel or piano wire. When assembling the second electrode 3, the C-shaped opening of the second electrode 3 can be directly arranged opposite to the first electrode 2. Under the action of an external force, the second electrode 3 is elastically deformed, and the elastic force of the second electrode 3 holds the base body 1, so as to realize contact with the first electrode 2. The elastic force can also realize reliable electrical connection between the second electrode 3 and the first electrode 2.

[0044] The elastic second electrode 3 used in the application is different from the elastic contact piece. The elastic second electrode 3 can not only effectively adapt to the vertical electrode, but also more importantly adapt to the ring electrode, and the adaptability is effectively improved. In addition, the installation process is simple, the reliability of the contact can be ensured by the elastic force, and the space utilization efficiency is improved. Moreover, compared with the elastic contact piece, the elastic second electrode 3 itself has a lower cost and is more convenient to assemble.

[0045] Optionally, the second electrode 3 has at least two parts in contact with the first electrode 2.

[0046] In the embodiment, the second electrode 3 is formed by a conductive wire through a plurality of bending processes, the overall second electrode 3 has a symmetrical structure, and there are three contact positions with the first electrode 2. In the circumferential direction of the base body 1, the distance between two adjacent contact positions is 90°. The position near the contact position of the second electrode 3 and the first electrode 2 is in a V shape, and the tip of the V shape of the second electrode 3 is used to realize direct contact with the first electrode 2. Through the bending process, the tip of the V shape of the second electrode 3 can still maintain a curved surface, so that the second electrode 3 has sufficient contact area during elastic contact with the first electrode 2, and good conductivity is ensured. In other embodiments, the number of contact positions of the second electrode 3 with the first electrode 2 can be adjusted under the premise that the second electrode 3 can reliably clamp the base body 1. For example, the second electrode 3 has two or more than three contact positions in the circumferential direction to realize electrical contact with the first electrode 2. For more than three contact positions, the number of bending of the second electrode 3 can be increased.

[0047] Further, the distance between the contact position of the second electrode 3 and the first electrode 2 and the center point of the base body 1 is less than the radius of the base body 1.

[0048] For example, the diameter of the base body 1 is φ8.5, that is, the radius is 4.25. The distance between the contact position of the second electrode 3 and the first electrode 2 and the center point of the base body 1 is 3.845 in the natural state. When the second electrode 3 is clamped on the first electrode 2, the second electrode 3 will deform outwardly and generate a deformation amount of 0.405. Under the deformation amount, a certain extrusion force can be generated in combination with the elastic modulus of the material itself. Those skilled in the art can reasonably set the material of the second electrode 3 to ensure that the second electrode 3 has sufficient contact pressure with the first electrode 2, thereby realizing reliable conduction between the two. In the embodiment, the distance between the contact position of the second electrode 3 and the first electrode 2 and the center point of the base body 1 is less than the radius of the base body 1, so that a certain extrusion force can be generated at the contact position of the second electrode 3 and the first electrode 2,

[0049] Please further refer to the accompanying drawings Figure 3 Alternatively, the second electrode 3 is in a wave shape along the circumference of the base body 1.

[0050] In the embodiment, the width of each wave crest of the second electrode 3 in the wave shape can be the same or different, and the shape of the wave crest can also be set according to the size of the elastic force. For example, in combination with the accompanying drawings Figure 3 The second electrode 3 has three contact positions with the first electrode 2, and the three contact positions are located at the V-shaped sharp corners. Adjacent V-shaped sharp corners form a trapezoidal wave crest structure.

[0051] Optionally, the second electrode 3 has multiple contact positions, the multiple contact positions are distributed along the circumferential direction of the base body 1, and the maximum distance of the multiple contact positions in the circumferential direction of the base body 1 is greater than or equal to 1 / 2 of the circumference of the base body 1.

[0052] In the embodiment, when the second electrode 3 has multiple contact positions, the maximum distance of the multiple contact positions in the circumferential direction of the base body 1 is greater than or equal to 1 / 2 of the circumference of the base body 1, for example Figure 2 In the embodiment, a is the maximum distance of the multiple contact positions in the circumferential direction of the base body 1, b is the circumference of the base body 1, and a is greater than or equal to b / 2. In this way, the area of the second electrode 3 covering the first electrode 2 is half or more than half of the circumference of the base body 1, so that the second electrode 3 is prevented from slipping off the base body 1 due to other factors (such as vibration factors) during clamping, the stability of the second electrode 3 clamped on the base body 1 is improved, and the reliability of the electrical connection between the second electrode 3 and the first electrode 2 is ensured.

[0053] Optionally, the contact position between the second electrode 3 and the first electrode 2 is provided with a plating layer.

[0054] In the embodiment, the material of the plating layer can be selected from gold, silver, or nickel to enhance the electrical conductivity. In addition, the plating layer can be provided on the surface of the first electrode 2 according to actual electrical conductivity needs, in addition to being plated on the contact position of the second electrode 3.

[0055] Please refer to the accompanying drawings Figure 4 Optionally, the heating assembly further includes a first shell 91, the first shell 91 is sleeved on the outside of the base body 1, the first shell 91 is provided with a relief hole 911, and part of the structure of the second electrode 3 passes through the relief hole 911 to maintain contact with the first electrode 2.

[0056] In the embodiment, the first shell 91 is a cylindrical shell, and the material can be selected from polyether ether ketone (PEEK). Polyether ether ketone has excellent high-temperature resistance and chemical corrosion resistance, and is very suitable as a forming material for the shell. The relief hole 911 is formed in the outer wall of the cylindrical shell of the first shell 91 corresponding to the contact position of the second electrode 3, so that the contact position of the second electrode 3 can pass through the relief hole 911 to maintain contact with the first electrode 2. For example, the second electrode 3 has three contact positions for electrical connection with the first electrode 2 corresponding to the circumferential direction of the first electrode 2, that is, three strip-shaped relief holes 911 are arranged at intervals in the circumferential direction of the first shell 91. When the second electrode 3 clamps the base body 1, the contact position of the second electrode 3 passes through the relief hole 911 to contact the first electrode 2, the structures on both sides of the contact position of the second electrode 3 are located in the relief hole 911, and the remaining structures of the second electrode 3 are located outside the first shell 91.

[0057] Please refer to the attached Figure 4 - the attached Figure 6 Further, the heating assembly further comprises a second shell 92, the second shell 92 is arranged at one end of the base body 1, and the second shell 92 is connected with the first shell 91 through clamping.

[0058] Specifically, a clamping protrusion 912 is arranged on the outer wall of the first shell 91, and a clamping groove 921 is correspondingly arranged on the second shell 92, and in the assembly process, the clamping protrusion 912 is clamped in the clamping groove 921 to realize the connection between the second shell 92 and the first shell 91, and the whole connection process is simple and convenient.

[0059] The avoiding hole 911 can limit the second electrode 3 in the axial direction of the base body 1, and ensure the position of the second electrode 3, so that the second electrode 3 is stably fixed in the circumferential direction; in addition, the avoiding hole 911 also limits the installation position of the second electrode 3, thereby facilitating the assembly of the second electrode 3.

[0060] Further, the heating assembly further comprises a lead wire 31, the lead wire 31 is located outside the first shell 91, and one end of the lead wire 31 is electrically connected with the part of the second electrode 3 located outside the first shell 91, and the other end of the lead wire 31 extends along the axial direction of the base body 1.

[0061] In the embodiment, the lead wire 31 is used for current conduction of the complete circuit including the first electrode 2 and the second electrode 3, one end of the lead wire 31 is electrically connected with the second electrode 3 through welding, and specifically, part of the structure of the second electrode 3 is located outside the first shell 91, thereby providing an advantageous installation position for welding of the lead wire 31, and being away from the high-temperature area to avoid the problem of falling off of the welding point, and the other end of the lead wire 31 extends along the axial direction of the base body 1, and the lead wire 31 can be a hard or soft lead wire, and the type of the lead wire 31 can be selected by the person skilled in the art according to the use requirement.

[0062] Optionally, the heating assembly further comprises a heating film 4 arranged on the surface of the base body 1 and a temperature measuring element 5, the temperature measuring element 5 is arranged on the surface of the heating film 4, a notch is arranged on the first shell 91, the temperature measuring element 5 is located in the notch, and the temperature measuring element 5 is arranged in a gap with the inner wall of the notch.

[0063] In the embodiment, the base body 1 can adopt an infrared-transparent glass tube, a quartz tube or the like. The infrared electric heating material of the heating film 4 is excited by an electric current to generate heat and radiate infrared rays. The infrared rays have good penetration and thermal effect, and can rapidly heat the aerosol generating substrate in the aerosol generating article to achieve the effect of rapid heating and uniform heating. In addition, the temperature measuring element 5 is arranged on the heating film 4, and the working head of the temperature measuring element 5 is attached to the heating film 4, so as to monitor the temperature of the heating film 4 in real time and avoid damage to the heating assembly due to thermal runaway caused by excessively high temperature rise. Those skilled in the art can understand that the heating film 4 is a general electric heating material, which is also feasible.

[0064] Please refer to the accompanying drawings Figure 7 Further, the first shell 91 is provided with a first slot 913 in the shape of a strip, and the temperature measuring element 5 is located in the first slot 913 and is arranged in a gap between the temperature measuring element 5 and the inner wall of the first slot 913, so as to ensure that the working end and the leading end of the temperature measuring element 5 do not contact the first shell 91, thereby avoiding the surface of the first shell 91 from affecting the temperature measurement result and effectively improving the accuracy of temperature measurement of the temperature measuring element 5.

[0065] Please refer to the accompanying drawings Figure 8 Optionally, the heating assembly further comprises a heat insulation member 6 arranged between the base body 1 and the first shell 91.

[0066] In the embodiment, the heat insulation member 6 adopts aerogel. The density of the aerogel is very low, and the weight of the entire heating assembly is not greatly improved. In addition, the aerogel can maintain its performance stable in various environments, and the thermal conductivity of the aerogel is extremely low, so that the aerogel can be used as an excellent heat insulation material. The heat insulation member 6 of the embodiment is wrapped outside the heating film 4 and arranged between the heating film 4 and the first shell 91. The heat insulation member 6 is used to achieve the heat insulation effect, so as to avoid or reduce heat exchange between the heating film 4 and the outside, and ensure the stability of the temperature field inside the heating chamber 11.

[0067] Further, the heat insulation member 6 has a non-closed structure, and a gap between the first end and the second end of the heat insulation member 6 forms a second slot 61. The second slot 61 extends along the axial direction of the base body 1, and the temperature measuring element 5 is located inside the second slot 61.

[0068] The second slot 61 can avoid the temperature measuring element 5 from contacting the heat insulation member 6, and can also avoid the heat insulation member 6 from affecting the temperature measurement result, thereby further improving the accuracy of temperature measurement of the temperature measuring element 5.

[0069] Please refer to the accompanying drawings Figure 9In the embodiment, the heat insulation member 6 and the temperature measuring element 5 are bound on the base body 1 by winding and binding through the high-temperature adhesive tape 7, the high-temperature adhesive tape 7 can be provided with single winding or multiple winding, and the specific winding can be set according to the preset fixed connection strength, the high-temperature adhesive tape 7 is convenient to use, and the high-temperature adhesive tape 7 is applied to the high-temperature area of the heating assembly, so that the bonding capacity under the high-temperature condition can be avoided to fail, and the stability of the fixing can be ensured.

[0070] Please further refer to the accompanying Figure 9 Optionally, the sealing rings 8 are sleeved at both ends of the base body 1 respectively, and the sealing rings 8 are used to isolate the aerogel particles of the heat insulation member 6 from entering the heating chamber 11 inside the base body 1.

[0071] In the embodiment, the sealing ring 8 is made of silica gel material, the silica gel material has the characteristics of anti-aging and stable performance, in addition, the sealing ring 8 made of silica gel material has a wide temperature resistance range and is suitable for various extreme temperature environments, has strong corrosion resistance, has a high service life, is friendly to the environment and will not cause pollution.

[0072] The two sealing rings 8 are sleeved at both ends of the base body 1, the sealing rings 8 can prevent the gas in the heating chamber 11 inside the base body 1 from overflowing, and also can prevent the aerogel particles from entering the heating chamber 11 inside the base body 1, so as to avoid mixing impurities into the aerosol.

[0073] The second aspect of the embodiment also relates to an aerosol generating device, the aerosol generating device comprising a shell and the above heating assembly, wherein the heating assembly is arranged inside the shell.

[0074] The aerosol generating device based on the heating assembly can be applied to various aerosol generating occasions, can not only reduce the cost, but also further reduce the assembly difficulty. The shell can be processed by an injection molding process to ensure the stable operation of the heating assembly inside.

[0075] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled persons in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model claim.

Claims

1. A heating assembly, characterized by, The heating assembly comprises: a base body (1) in a tubular shape; a first electrode (2) arranged on a surface of the base body (1) and surrounding the base body (1); a second electrode (3) in an elastic structure formed by bending an electrically conductive wire, the elastic force of the second electrode (3) being capable of clamping the base body (1) so as to maintain contact with the first electrode (2) to form an electrical connection.

2. The heating assembly of claim 1, wherein, The second electrode (3) has at least two contact positions with the first electrode (2).

3. The heating assembly of claim 2, wherein, The distance from the at least two contact positions with the first electrode (2) to the center point of the base body (1) is less than the radius of the base body (1).

4. The heating assembly of claim 1, wherein, The second electrode (3) is wavy along the circumference of the base body (1).

5. The heating assembly of claim 1, wherein, The second electrode (3) has a plurality of contact positions, the plurality of contact positions are distributed along the circumferential direction of the base body (1), and the maximum distance of the plurality of contact positions in the circumferential direction of the base body (1) is greater than or equal to 1 / 2 of the circumference of the base body (1).

6. The heating assembly of claim 1, wherein, The contact positions between the second electrode (3) and the first electrode (2) are provided with a plating layer.

7. The heating assembly of claim 1, wherein, The heating assembly further comprises a first shell (91) sleeved on the outside of the base body (1), the first shell (91) is provided with a relief hole (911), and part of the structure of the second electrode (3) passes through the relief hole (911) to maintain contact with the first electrode (2).

8. The heating assembly of claim 7, wherein, The heating assembly further comprises a lead wire (31) located outside the first shell (91), one end of the lead wire (31) is electrically connected to the part of the second electrode (3) located outside the first shell (91), and the other end of the lead wire (31) extends along the axial direction of the base body (1).

9. The heating assembly of claim 7, wherein, The heating assembly further comprises a heat insulation member (6) arranged between the base body (1) and the first shell (91).

10. The heating assembly of claim 7, wherein, The heating assembly further comprises a heating film (4) arranged on the surface of the base body (1) and a temperature measuring element (5), the temperature measuring element (5) is arranged on the surface of the heating film (4), the first shell (91) is provided with a first gap (913), the temperature measuring element (5) is located in the first gap (913), and the temperature measuring element (5) is arranged in a gap with the inner wall of the first gap (913).

11. The heating assembly of claim 1, wherein, The second electrode (3) is an elastic non-closed structure formed by bending an electrically conductive wire.

12. An aerosol-generating device comprising: The aerosol generating device comprises a housing and the heating assembly according to any one of claims 1-11, and the heating assembly is arranged inside the housing.

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