CN219920295U - Aerosol generating device and heating component - Google Patents

Abstract

The utility model relates to an aerosol generating device and a heating component, wherein the aerosol generating device comprises a shell with an assembly port at one end, an extractor detachably arranged at the assembly port and used for accommodating aerosol forming matrixes, and a heating component detachably arranged in the shell and used for heating the aerosol forming matrixes; the heating component comprises a heating structure; the heating structure comprises a heating part for generating infrared light waves in an electrified state and a sleeve for allowing the infrared light waves to penetrate, wherein the heating part is arranged in the sleeve and is at least partially arranged with a gap between the wall of the sleeve. According to the aerosol generating device, the heating component is detachably arranged in the shell, so that the whole heating component can be conveniently replaced and cleaned, and the taste of aerosol generated by the aerosol forming substrate heated by the heating component can be improved.

Description

Aerosol generating device and heating component

Technical Field

The utility model relates to the field of heating non-combustion atomization, in particular to an aerosol generating device and a heating component.

Background

In the field of HNB (heating non-combustion) atomization, generally, a heating mode such as central heating element heating or circumferential heating element heating is adopted, and in a common practice, the heating element generates heat, then the heat is directly transferred to a medium such as an aerosol forming substrate through heat conduction, a heating component with the heating element is usually fixed in an aerosol generating device and cannot be detached or replaced, aging, damage and surface dirt can occur after long-term use, and further the taste quality of aerosol generated by the aerosol forming medium heated by the heating element is reduced.

Disclosure of Invention

The utility model aims to provide an improved aerosol generating device and a heating component.

The technical scheme adopted for solving the technical problems is as follows: an aerosol-generating device is constructed, comprising a housing having an assembly opening at one end, an extractor detachably mounted at the assembly opening for receiving an aerosol-forming substrate, and a heating assembly detachably mounted in the housing for heating the aerosol-forming substrate;

the heating component comprises a heating structure; the heating structure comprises a heating part for generating infrared light waves in an electrified state and a sleeve for allowing the infrared light waves to penetrate, wherein the heating part is arranged in the sleeve and is at least partially arranged with a gap between the wall of the sleeve.

In some embodiments, the device further comprises a fixed sleeve which is arranged in the shell in a pluggable manner; the fixed sleeve is of a hollow structure with two through ends, and the heating component is arranged in the fixed sleeve and is detachably arranged with the fixed sleeve.

In some embodiments, the fixing sleeve and the heating component are provided with a first connecting structure, and the fixing sleeve and the heating component are detachably connected through the first connecting structure.

In some embodiments, the first connection structure includes a clasp and a clasp aperture that mates with the clasp;

the clamping holes are formed in the side wall of the fixing sleeve and correspond to the clamping buckles;

or, the clamping hole is formed in the heating component, and the buckle is arranged on the inner side wall of the fixing sleeve and corresponds to the clamping hole.

In some embodiments, the stationary sleeve includes first and second open ends spaced apart in an axial direction; the first opening end is used for being provided with the extractor part in a plug-in mode, and the heating component is arranged close to the second opening end.

In some embodiments, the first open end of the fixing sleeve is provided with an extension that mates with the fitting opening; the extension part is detachably connected with the shell through a second connecting structure.

In some embodiments, the second connection structure includes a first magnetic member and a second magnetic member, the first magnetic member is disposed on the extension portion, and the second magnetic member is disposed in the housing and corresponds to the first magnetic member.

In some embodiments, the extractor includes a receiving cavity for receiving an aerosol-forming substrate, the heat generating component being at least partially removably inserted in the receiving cavity.

The utility model also constructs a heating component which is detachably arranged in the aerosol generating device and can heat the aerosol forming substrate, and comprises a supporting seat and a heating structure arranged on the supporting seat, wherein the heating structure comprises a heating part for generating infrared light waves in an electrified state and a sleeve for allowing the infrared light waves to penetrate, the heating part is arranged in the sleeve and is at least partially arranged with a gap between the wall of the sleeve, and the sleeve is provided with an opening which is arranged in the supporting seat.

In some embodiments, the support base is provided with a first connection structure detachably connected with the aerosol generating device.

In some embodiments, the heat generating portion is removably disposed in the sleeve.

In some embodiments, the heat generating structure includes two conductive parts, and the two conductive parts are connected with the heat generating part and led out from the opening, and are detachably connected with the support base in a conductive manner in a state that the heat generating structure is mounted on the support base.

In some embodiments, the supporting seat is provided with a conductive member, and the conductive member is disposed corresponding to the conductive portion, detachably connected to the conductive portion, and electrically connected to the conductive portion in a state that the heating structure is mounted on the supporting seat.

In some embodiments, a spacer is provided in the support base that separates and insulates two of the conductive portions that are disposed adjacently.

In some embodiments, the support base includes a bracket that supports the heat generating structure;

the bracket comprises a first bracket body and a second bracket body which can be opened and closed; the first frame body and the second frame body clamp or loosen the heating structure through opening and closing.

In some embodiments, the support base further includes a sealing element, where the sealing element is detachably disposed between the first frame body and the second frame body, and the sealing element is detachably sleeved on a part of the heating structure, and is used for sealing and connecting the heating structure with the first frame body and the second frame body.

In some embodiments, the sealing member comprises a sleeve body with two ends penetrating through the sleeve body and used for being sleeved on part of the heating structure, and a first sealing part protruding from the outer side wall of the sleeve body;

The first sealing part is respectively clamped and fixed with the first frame body and the second frame body.

In some embodiments, the support base further comprises a housing detachably sleeved on the bracket;

the shell is provided with a through hole for the heating structure part to penetrate out.

In some embodiments, the sealing member further comprises a sleeve body with two ends penetrating through the heating structure and used for being sleeved on part of the heating structure, and a second sealing part protruding from the outer side wall of the sleeve body; the second sealing part is positioned between the bracket and the housing in the assembly state of the housing and the bracket and is used for sealing a gap formed between the bracket and the end face of the through hole.

In some embodiments, the housing includes a socket into which the bracket fits;

the support comprises a bottom wall, and a gap is reserved between the bottom wall and the socket in the assembly state of the shell and the support.

In some embodiments, a third connection structure is provided on the bracket and the housing.

In some embodiments, the third connection structure includes a button hole and a snap; the clamping convex protrusions are arranged on the outer side wall of the bracket; the buckling holes are arranged on the side wall of the shell and correspond to the clamping protrusions one by one so as to be clamped with the clamping protrusions.

In some embodiments, the heating assembly further comprises a temperature measuring structure disposed on the heating structure and detachably connected to the support base.

The utility model also constructs an aerosol generating device which comprises the heating component and a power supply component connected with the heating component.

The aerosol generating device and the heating component have the following beneficial effects: according to the aerosol generating device, the heating component is detachably arranged in the shell, so that the whole heating component can be conveniently replaced and cleaned, and the taste of aerosol generated by the aerosol forming substrate heated by the heating component can be improved.

In addition, the heating part of the heating structure generates infrared light waves, the infrared light waves can penetrate through the sleeve to the aerosol forming substrate and heat the aerosol forming substrate, and under the condition that the highest working temperature of the heating part reaches more than 1000 ℃ (the working temperature of the heating body of the traditional HNB generally does not exceed 400 ℃), the excessive burning of the aerosol forming medium can not be caused, and even the suction taste can be greatly improved; meanwhile, the preheating time is greatly reduced, and the experience of consumers is greatly improved.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

Fig. 1 is a schematic exploded view of an aerosol-generating device according to a first embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the aerosol-generating device shown in FIG. 1;

FIG. 3 is a schematic view of the heat generating component of the aerosol generating device of FIG. 1;

FIG. 4 is a first longitudinal cross-sectional view of the heat generating assembly shown in FIG. 3;

FIG. 5 is a second longitudinal cross-sectional view of the heat generating assembly shown in FIG. 3;

FIG. 6 is a third longitudinal cross-sectional view of the heat generating assembly shown in FIG. 3;

FIG. 7 is an exploded view of the heat generating component of FIG. 3;

FIG. 8 is a schematic view of the bottom structure of the heat generating component of FIG. 3;

FIG. 9 is a transverse cross-sectional view of the heat-generating body of the heat-generating component shown in FIG. 3;

fig. 10 is a transverse sectional view of a heat generating body of an aerosol-generating device in a second embodiment of the utility model;

fig. 11 is a transverse cross-sectional view of a heat generating body of an aerosol-generating device in a third embodiment of the utility model.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.

Fig. 1 and 2 show a first embodiment of the aerosol-generating device of the present utility model. The aerosol generating device 100 can heat the aerosol forming substrate in a low-temperature heating non-combustion mode, and has good atomization stability and good atomization taste. In some embodiments, the aerosol-forming substrate may be provided on the aerosol-generating device 100 in a pluggable manner, the aerosol-forming substrate may be cylindrical, in particular, the aerosol-forming substrate may be a strip-shaped or sheet-shaped solid material made of leaves and/or stems of plants, and aroma components may be further added to the solid material.

As shown in fig. 1 and 2, further, in the present embodiment, the aerosol generating device 100 includes a heat generating component 10 and a power supply component 20, wherein the heat generating component 10 may be partially inserted into an aerosol-forming substrate, specifically, a portion thereof may be inserted into a medium section of the aerosol-forming substrate, and heat radiation is generated to heat the medium section of the aerosol-forming substrate in an energized state, so as to atomize the aerosol. In this embodiment, the thermal radiation may be thermal infrared radiation. The heating component 10 has the advantages of simple assembly, simple structure, high atomization efficiency, high stability and long service life. The power supply assembly 20 is used to supply power to the heat generating assembly 10.

In the present embodiment, the heat generating component 10 includes a heat generating structure 11 and a support base 12, and the heat generating structure 11 is mounted on the support base 12. In this embodiment, the heat generating structure 11 and the supporting seat 12 are detachably installed, so as to facilitate replacement and maintenance of the heat generating structure 11. The supporting seat 12 can be mechanically and electrically connected with the heating structure 11, not only can support the heating structure 11, but also can be electrically connected with the heating structure 11 in a state that the heating structure 11 is mounted thereon, so as to electrically connect the heating structure 11 with the power supply assembly 20. It will be appreciated that in other embodiments, the support base 12 may serve merely as a support.

As shown in fig. 3 to 6, in the present embodiment, the heat generating structure 11 includes a sleeve 111, and a heat generating body 112. The sleeve 111 is covered on at least part of the heating element 112 and can allow light waves to penetrate into the aerosol-forming substrate, specifically, in this embodiment, the sleeve 111 can allow infrared light waves to penetrate through, so that the heating element 112 can radiate heat to heat the aerosol-forming substrate. Specifically, in this embodiment, an air gap is left between the inner wall of the sleeve 111 and the heating element 112, and in the energized state, the heating element is rapidly heated to about 1000 ℃ for 1-3s, while the surface temperature of the sleeve 111 can be controlled below 350 ℃, the atomization temperature of the whole aerosol forming substrate is controlled between 300 ℃ and 350 ℃, and the precise atomization of the aerosol forming substrate in the 2-5um wave band is realized. The highest working temperature of the heating element is 500-1300 ℃, which is far higher than that of the heating element in the prior art.

In this embodiment, the sleeve 111 may be a quartz glass tube. Of course, it will be appreciated that in other embodiments, the sleeve 111 is not limited to a quartz tube, and may be other window materials transparent to light waves, such as infrared-transparent glass, transparent ceramics, diamond, and the like.

Referring to fig. 7 to 9 together, in this embodiment, the sleeve 111 is hollow and tubular, specifically, the sleeve 111 includes a tubular body 1111 having a circular cross section, and a peak structure 1112 disposed at one end of the tubular body 1111. Of course, it will be appreciated that in other embodiments, the cross-section of the tubular body 111 is not limited to being circular. The tubular body 1111 has a hollow structure with an opening 1110 at one end. The sleeve 111 may be mounted on the support base 12, and in particular, the sleeve 111 may be partially inserted on the support base 12. The opening of which may be located in the support base 12. The pointed structure 1112 is disposed at an end of the tubular body 1111 away from the opening 1110, and at least a portion of the heating structure 111 is conveniently inserted into the aerosol-forming substrate by disposing the pointed structure 1112. In this embodiment, the housing cavity 1113 is formed inside the sleeve 111, the housing cavity 1113 is a cylindrical cavity, and can be unsealed, and when the heating element 112 is installed therein, the housing cavity 1113 does not need to be vacuumized or filled with inert gas. In this embodiment, the sleeve 111 further includes a positioning portion 1114, where the positioning portion 1114 is disposed at the opening 1110 of the tubular body 111, and can extend outward along the radial direction of the tubular body 111 to form a positioning flange for mounting and positioning the sleeve 111 and the support base 12. In this embodiment, the locating portion 1114 may be integrally formed with the tubular body 111. Of course, it will be appreciated that in other embodiments, the retainer 1114 may be removably mounted with the sleeve 111, such as by a socket, screw or snap fit. In this embodiment, an air gap is left between the inner wall of the sleeve 111 and the heating element 112, and the air gap can be filled with air. By providing an air gap, direct contact between the sleeve 111 and the heating element 112 can be prevented.

In this embodiment, the heating element 112 may be one heating element, may be provided in a longitudinal direction, and may be formed into a heating portion 1120 having a spiral shape as a whole by winding. Specifically, the heating element 112 may be cylindrical in shape as a whole, and may be wound to form a single spiral structure, a double spiral structure, an M-shaped structure, an N-shaped structure, or other shaped structures. Of course, it is understood that in other embodiments, the heating element 112 is not limited to one, and may be two, or more than two. The shape of the heat-generating body 112 is not limited to being cylindrical, and in some embodiments, the shape of the heat-generating body 112 may be sheet-like.

In this embodiment, the heat generating portion 1120 may be disposed in the sleeve 111 and disposed in a gap with a wall of the sleeve 111, so as to generate an infrared light wave in an energized state, and the infrared light wave may penetrate through the sleeve 111 to the aerosol-forming substrate. Of course, it will be appreciated that in other embodiments, the heat generating portion 1120 may be partially disposed in a gap with the wall of the sleeve 111. In this embodiment, the heat generating portion 1120 may be a long spiral. Of course, it is understood that in other embodiments, the heat generating portion 1120 is not limited to being helical.

In the present embodiment, an electrically conductive portion 1121 is disposed at one end of the heat generating portion 1120, and the electrically conductive portion 1121 is connected to the heat generating portion 1120, can be led out from the opening 1110 of the sleeve 111, and is electrically connected to the power supply assembly 20 by penetrating from the base 113. In the present embodiment, the conductive portion 1121 may be fixed to the heat generating portion 1120 by welding to form an integral structure. Of course, it is understood that in other embodiments, the heat generating portion 1120 may be integrally formed with the conductive portion 1121. In this embodiment, the number of the conductive parts 1121 may be two, and the two conductive parts 1121 may be disposed at intervals, and connected to two ends of the heat generating part 1120, respectively, and extend toward the same end, and are disposed through the sleeve 111 from the opening 1110 at one end of the sleeve 111. In this embodiment, the conductive portion 1121 may be a lead wire, which may be soldered with the heat generating portion 1120. Of course, it is understood that in other embodiments, the conductive portion 1121 is not limited to be a lead, and may be other conductive structures. By arranging the conductive portion 1121 at one end of the heat generating portion 1120 and then leading out from the sleeve 111, the whole heat generating structure 11 can be assembled conveniently, the assembly process is simplified, and the heat generating structure 11 can be mounted on the supporting seat 12 and then contacted with the conductive member 124 in the supporting seat 12 during assembly.

In the present embodiment, the heat generating body 112 forming the heat generating portion 1120 includes a heat generating layer 1122 and a heat radiating layer 1124. The heat generating layer 1122 can generate heat in an energized state. The heat radiation layer 1124 is disposed on the outer surface of the heat generating layer 1122 and is used for radiating heat generated by the heat generating layer 1122. In the present embodiment, the heat generating layer 1122 and the heat radiating layer 1124 are concentrically arranged in the cross section of the heat generating portion 1120.

In this embodiment, the heat generating layer 1122 may be entirely cylindrical, and specifically, the heat generating layer 1122 may be a heat generating wire. Of course, it is understood that in other embodiments, the heat generating layer 1122 may not be limited to be cylindrical, and may be sheet-like, i.e., the heat generating layer 1122 may be a heat generating sheet. The heat generating layer 1122 includes a metal matrix, which may be a wire, having high temperature oxidation resistance. Specifically, the heating layer 1122 may be a metal material with good high-temperature oxidation resistance, high stability, and difficult deformation, such as a nichrome matrix (e.g., nichrome wire), an iron-chromium-aluminum alloy matrix (e.g., iron-chromium-aluminum alloy wire), and the like. In this embodiment, the radial dimension of the heat generating layer 1122 may be 0.15mm to 0.8mm.

In the present embodiment, the heat-generating body 112 further includes an oxidation resistant layer 1123, the oxidation resistant layer 1123 being formed between the heat-generating layer 1122 and the heat radiation layer 1124. Specifically, the oxidation resistant layer 1123 may be an oxide film, and the heat generating layer 1122 is subjected to a high temperature heat treatment to form a dense oxide film on its own surface, and the oxide film forms the oxidation resistant layer 1123. Of course, it is understood that in other embodiments, the oxidation resistant layer 1123 is not limited to include a self-formed oxide film, and in other embodiments, it may be an oxidation resistant coating applied to the outer surface of the heat generating layer 1122. By forming the antioxidation layer 1123, the heating layer 1122 is prevented from being heated or rarely oxidized in the air environment, the stability of the heating layer 1122 is improved, and further, the accommodating cavity 1113 is not required to be vacuumized, filled with inert gas or reducing gas, the opening 1110 is not required to be plugged, the assembly process of the whole heating structure 11 is simplified, and the manufacturing cost is saved. In this embodiment, the thickness of the oxidation resistant layer 1123 may be selected to be 1um to 150um. When the thickness of the oxidation resistant layer 1123 is less than 1um, the heat generating layer 1122 is easily oxidized. When the thickness of the oxidation preventing layer 1123 is greater than 150um, heat conduction between the heat generating layer 1122 and the heat radiating layer 1124 is affected.

In this embodiment, the heat radiation layer 1124 may be an infrared layer. The infrared layer may be an infrared layer forming substrate formed on a side of the oxidation resistant layer 1123 remote from the heat generating layer 1122 under high temperature heat treatment. In this embodiment, the infrared layer forming matrix may be a silicon carbide, spinel or composite type matrix thereof. Of course, it is to be understood that in other embodiments, the heat radiating layer 1124 is not limited to being an infrared layer. In other embodiments, the heat radiating layer 1124 may be a composite infrared layer. In this embodiment, the infrared layer may be formed on the side of the oxidation resistant layer 1123 away from the heat generating layer 1122 by dip coating, spray coating, brush coating, or the like. The thickness of the heat radiation layer 1124 may be 10um-300um, and when the thickness of the heat radiation layer 1124 is 10um-300um, the heat radiation effect is better, so that the atomization efficiency and the atomization taste of the aerosol forming substrate are better. Of course, it is understood that in other embodiments, the thickness of the heat radiating layer 1124 is not limited to 10um-300um.

In this embodiment, the heat generating component 11 further includes an insulating member 113, and the insulating member 113 has a cylindrical shape, and a radial dimension of the insulating member 113 may be smaller than a radial dimension of the accommodating cavity 1113. The insulating member 113 may be completely or partially inserted into the accommodating cavity 1113 from the opening 1110 of the sleeve 111, so as to separate the two conductive portions 1121, i.e., to insulate the two conductive portions 1121. In this embodiment, the insulating member 113 is provided with two through holes 1131, the two through holes 1131 are disposed in one-to-one correspondence with the two conductive portions 1121, and the through holes 1131 can extend along the axial direction of the insulating member 113 for the conductive portions 1121 to penetrate out and be electrically connected with the supporting base 12. In some embodiments, the insulating member 113 may not be limited to be cylindrical, and in some embodiments, the insulating member 113 may be an insulating spacer, and the through hole 1131 may be omitted. In some embodiments, the insulator 113 may be a ceramic body, a quartz tube, or other insulating structure.

In the present embodiment, the supporting base 12 can support the sleeve 111 and the heat generating portion 1120, and can be detachably connected to the aerosol generating device by providing a first connection structure. The support base 12 includes a bracket 121, a housing 122, and a seal 123. The support 121 is used for supporting the heat generating structure 11. The housing 122 may be sleeved on the outer circumference of the bracket 121. The seal 123 may be mounted to the support 121 for sealing engagement of the heat generating structure 11 with the support 121 and the housing 122.

In this embodiment, the bracket 121 includes a first frame 121a and a second frame 121b that are configured to be opened and closed. By opening and closing the first frame 121a and the second frame 121b, the heat generating structure 11 can be easily assembled and disassembled. In some embodiments, the first frame 121a and the second frame 121b may be spliced to form a rectangular parallelepiped structure. Of course, it is understood that in other embodiments, the first frame 121a and the second frame 121b are not limited to be rectangular, and in other embodiments, the first frame 121a and the second frame 121b may be cylindrical or have other shapes.

In this embodiment, an end plate 1210 is disposed at one end of the first frame 121a and one end of the second frame 121b, a partition 1212 is correspondingly disposed in each of the first frame 121a and the second frame 121b, the partition 1212 divides the frame 121 into an upper space and a lower space, a space disposed near the end plate 1210 is formed in a clamping groove 1211 matched with the sealing member 123, a semi-cylindrical first avoiding hole 1216 is disposed on the partition 1212, two partition 1212 of the first frame 121a and the second frame 121b are disposed opposite to each other, and the first avoiding hole 1216 is spliced to form a first via hole for the heat generating structure 11 to penetrate.

In the present embodiment, the bracket 121 further includes a bottom wall 1213, and the bottom wall 1213 is disposed on the first bracket 121a, however, it will be understood that in other embodiments, the bottom wall 1213 is not limited to be disposed on the first bracket 121a, but may be disposed on the second bracket 121 b.

In the present embodiment, a partition 1215 is disposed in the support base 12, specifically, the partition 1215 is convexly disposed in the bottom wall 1213 and is integrally formed with the bottom wall 1213, which may be a rib plate for separating two conductive portions 1121 disposed adjacently and insulating the two conductive portions 1121.

In this embodiment, the first frame 121a and the second frame 121b perform limiting on the heating structure 11, the limiting baffle 1216 is disposed below the partition 1212 and is spaced from the partition 1212, a semi-cylindrical second avoiding hole 1217 is disposed on the limiting baffle 1216, and when the first frame 121a and the second frame 121b are combined, two second avoiding holes 1217 on the two limiting baffles 1216 are combined to form a second through hole, the second through hole is used for the heating structure 11 to pass through, and the radial dimension of the second through hole is smaller than the radial dimension of the positioning portion 1114 at one end of the sleeve 111, so as to be matched with the positioning portion 1114 to position the heating structure 11.

In this embodiment, the housing 122 may be sleeved on the outer periphery of the bracket 121 after the heat generating structure 11 is assembled with the bracket 121, so as to fix the first bracket 121a and the second bracket 121b, so that the heat generating structure 11 and the supporting seat 12 form an integrated structure. In this embodiment, the shape and size of the housing 122 can be adapted to the stand 121. In the present embodiment, the housing 122 is substantially rectangular and has a hollow structure with a socket 1221 at one end. A gap is left between the socket 1221 and the bottom wall 1213, so as to prevent condensation of the aerosol remaining in the casing 21 from affecting the normal operation of the heat generating structure 11.

In this embodiment, the housing 122 is detachably connected to the bracket 121. Specifically, in the present embodiment, the third connection structure 125 is disposed on the housing 122 and the bracket 121, and the housing 122 and the bracket 121 are detachably connected through the third connection structure 125. In this embodiment, the third connecting structure 125 includes a button hole 1222 and a locking protrusion 1214. The two clamping protrusions 1214 are arranged on the outer side walls of the first frame 121a and the second frame 121b in a one-to-one correspondence manner, and the clamping protrusions 1214 are arranged on the outer side walls of the first frame 121a and the second frame 121 b. The fastening holes 1222 are disposed on the side wall of the housing 122, and the two fastening holes 1222 are disposed in one-to-one correspondence with the two fastening protrusions 1214, and when the housing 122 is assembled with the bracket 121, the fastening protrusions 1214 can be fastened into the fastening holes 1222, so as to connect and fix the housing 122 with the bracket 121.

In this embodiment, a blocking wall 1223 is disposed on a side of the housing 122 opposite to the socket 1221, and a through hole 1224 is disposed on the housing 122, specifically, the through hole 1224 is disposed on the blocking wall 1223 and is capable of allowing the heating structure 11 to partially pass through.

In this embodiment, the sealing member 123 is detachably disposed between the first frame 123a and the second frame 123b, and the sealing member 123 is detachably sleeved on the heat generating structure 11, specifically, it may be sleeved on the outer periphery of a part of the sleeve 111, for sealing and connecting the heat generating structure 11 with the first frame 121a and the second frame 121b. In this embodiment, the sealing member 123 may be a silicone member, which is used to prevent vibration and damage when the sleeve 111 is assembled with the bracket 121. Of course, it will be appreciated that in other embodiments, the seal 123 is not limited to being a silicone member.

In this embodiment, the sealing member 123 has a hollow structure with two ends penetrating, and a channel 1230 is formed on the inner side, and the channel 1230 is used for the sleeve 11 to pass through. In the present embodiment, the sealing member 123 includes a sleeve body 1231, a first sealing portion 1232, and a second sealing portion 1233. The sleeve body 1231 is cylindrical and has a hollow structure with two ends penetrating, and is used for being sleeved on a part of the heating structure 11. The first sealing portion 1232 and the second sealing portion 1233 are disposed on the outer sidewall of the sleeve body 1231 in a protruding manner, and are disposed along the axial direction of the sleeve body 1231 at intervals. The first sealing portion 1232 may be disposed along a circumferential direction of the sleeve body 1232 and may have a substantially circular shape. The first sealing part 1232 is fastened to the first frame 121a and the second frame 121b, respectively. Specifically, the first sealing portion 1232 can be respectively locked into the locking grooves 1211 of the first frame 121a and the second frame 121b. The second sealing portion 1233 is disposed on the outer sidewall of the sleeve body 1231 in a protruding manner, and has a substantially circular shape, and a radial dimension larger than that of the first sealing portion 1232. The second sealing portion 1233 may be disposed on a side of the end wall 1210 of the first frame 121a and the second frame 121b opposite to the clamping groove 1211. In the assembled state of the housing 12 and the bracket 121, the second sealing portion 1233 is located between the housing 122 and the bracket 121, specifically, between the blocking wall 1223 and the end wall 1210, for sealing the gap formed between the bracket 121 and the end face of the through hole 1224. In this embodiment, the sleeve body 1231, the first sealing portion 1232 and the second sealing portion 1233 are integrally formed to form a multi-channel sealing structure, that is, by providing the sealing member 123, the sealing among the housing 122, the heating structure 11 and the support 121 can be achieved, so that the sealing process can be simplified, the manufacturing cost can be saved, and condensate can be prevented from flowing into the support 121.

In the present embodiment, a plurality of conductive members 124 are disposed on the supporting base 12, and specifically, the conductive members 124 are disposed in one-to-one correspondence with the conductive portions 1121. Of course, it will be appreciated that in other embodiments, the conductive member 124 may be one. The conductive member 124 may be an electrode column. The plurality of conductive members 124 are disposed on the bottom wall 1213 at intervals and detachably connected to the conductive portion 1121. Specifically, in a state that the heat generating structure 11 is mounted on the supporting base 12, the conductive portion 1121 may be wound on the conductive member 124 and electrically connected to the conductive member 124. In the present embodiment, the conductive member 124 can be in conductive connection with the power source in the power supply assembly 20 through contact, so as to electrically connect the heat generating structure 11 with the power supply assembly 20, and facilitate replacement of the heat generating body 122 when the heat generating body 112 reaches the service life. In this embodiment, the conductive members 124 are two groups, one group is electrically connected to the heat generating structure 11, and the other group is electrically connected to the temperature measuring structure 13. Of course, it should be understood that in other embodiments, the conductive elements 124 may be combined, and the heat generating structure 11 and the temperature measuring structure 13 may share the conductive elements 124.

In this embodiment, the heat generating component 10 further includes a temperature measuring structure 13, and the temperature measuring structure 13 is disposed on the heat generating structure 11 and can be detachably connected to the supporting seat 12. In this embodiment. The temperature measuring structure 13 can be sleeved on the outer periphery of a part of the section of the sleeve 111, and can be detachably connected with the conductive piece 124 in the supporting seat 12, and can realize conductive connection when being connected with the conductive piece. In this embodiment, the temperature measuring structure 13 is sleeved at a position on the sleeve 111 corresponding to the connection position between the heating portion 1120 and the conductive portion 1121, and includes a temperature measuring film 131 and two leads 132, the temperature measuring film 131 can be sleeved on the outer sidewall of the sleeve 111, the two leads 132 are spaced apart, one ends of the two leads 132 are connected with the temperature measuring film 131, the other ends of the two leads are connected with the conductive members 132 in the supporting base 12, and the two leads can be wound on the corresponding conductive members 132 to perform electrical connection and signal penetration. In some embodiments, the leads 132 may be welded or crimped to the thermometric film 131.

When the heating component 10 is assembled, the temperature measuring structure 13 can be sleeved on the periphery of the sleeve 111, and then the sealing element 123 is sleeved on the sleeve 111 of the heating structure 11; the first frame 121a is clamped to the first sealing portion 1232 of the sealing member 123, then the conductive portion 1121 of the heat generating structure 11 and the lead 132 of the temperature measuring structure 13 are wound around the corresponding conductive member 124, the second frame 121b is clamped to the second sealing portion 1232, and finally the integral structure formed by the support 121 and the heat generating structure 11 penetrates from the socket 1221 of the housing 122, so that the second sealing portion 1233 abuts against the blocking wall 1223 of the housing 122 and the end wall 1210 of the support 121, and the sealing member 123 and the heat generating structure 11 partially penetrate out of the through hole 1224, and meanwhile, the clamping protrusion 1214 on the outer side of the support 121 is clamped into the fastening hole 1221 of the housing 122. If the heat generating structure 11 needs to be removed, the housing 122 may be pushed out toward the direction in which the heat generating structure 11 is provided with the peak structure 1112, and then the first frame 121a and the second frame 121b may be separated from the sealing member 123, and the connection between the conductive portion 1121 and the lead 132 of the temperature measuring structure 13 and the conductive member 124 may be released.

In some embodiments, the power assembly 20 includes a housing 21, a bracket 22, and a power source 23; the casing 21 may have a cylindrical shape, a hollow structure inside, and an assembling port 211 provided at one end. The bracket 22 is accommodated in the housing 21 for mounting the power supply 23, and can play a supporting role, the bracket 22 is provided with a mounting cavity 221, the mounting cavity 221 can be used for mounting the heating component 10, the mounting cavity 221 is communicated with the mounting opening 211, and a communication opening 2210 communicated with the mounting opening 211 is provided. The power supply 23 is mounted on the support 22 and is mechanically and/or electrically connectable to the heat generating component 10 for supplying power to the heat generating component 10.

In some embodiments, the aerosol-generating device further comprises an extractor 30, the extractor 30 being operable to receive an aerosol-forming substrate. The extractor 30 is detachably mounted at the fitting opening 211. In some embodiments, the extractor 30 includes a top cover 31 detachably covering the fitting opening 211, and a receiving tube 32 having one end connected to the top cover 31. The accommodating tube 32 may be integrally formed with the top cover 31, the accommodating tube 32 may have a through structure at two ends, an accommodating cavity 320 is formed on the inner side for accommodating the aerosol-forming substrate, and the heating element is at least partially detachably inserted into the accommodating cavity 320, and can be inserted into the aerosol-forming substrate, so as to heat the aerosol-forming substrate. The accommodating tube 32 of the extractor 30 is disposed in the mounting cavity 221 in a pluggable manner, and can be pulled out of the casing 21 entirely.

In some embodiments, the aerosol generating device further comprises a fixing sleeve 40, wherein the fixing sleeve 40 is removably disposed in the housing 21 and detachably assembled with the extractor 30, and forms a cover assembly with the extractor 30. Specifically, the fixing sleeve 40 is removably disposed in the mounting cavity 221, and can be used for mounting the heat generating component 10, specifically, the heat generating component 10 is mounted in the fixing sleeve 40 and is detachably disposed with the fixing sleeve 40. In the present embodiment, the fixing sleeve 40 has a hollow structure with two ends penetrating, and includes a first opening end 41 and a second opening end 42 that are spaced apart in the axial direction; the inner side of the fixing sleeve 40 forms a plugging channel for plugging and unplugging the extractor. The first open end 41 is adapted for insertion and extraction of the receiving tube of the extractor 30 into the fixed sleeve 40. The heat generating component 10 can be disposed proximate the second open end 42, which can be withdrawn from the second open end 42.

In this embodiment, the fixing sleeve 40 and the heat generating component 10 can be detachably connected by providing a first connecting structure 50. The first connection structure 50 may include a catch 1226 and a catch hole 43. The fastening buckle 1226 may be disposed on the heat generating component 10, specifically, in this embodiment, the fastening buckle 1226 is disposed on the outer side wall of the housing 12 in a protruding manner, and the fastening hole 43 is disposed on the side wall of the fixing sleeve 40 and corresponds to the fastening buckle 1226. When the heating element 10 is to be mounted in the aerosol generating device, the heating element 10 can be fitted into the fixing sleeve 40 from the second open end 42 of the fixing sleeve 40, while the catch 1226 is snapped into the catch hole 43 and inserted into the receiving tube 31 of the extractor 30 and into the aerosol-forming substrate. When the heat generating component 10 needs to be removed or replaced, the extractor 30 together with the entire fixing sleeve 40 can be pulled out of the mounting cavity 221, the extractor 30 can be detached from the fixing sleeve 40, the buckle 1226 can be withdrawn from the clamping hole 43, and the heat generating component 10 can be withdrawn from the second opening end 42 of the fixing sleeve 40. In other embodiments, the buckle 1226 may be disposed on the inner wall of the fixing sleeve 40, and the fastening hole 43 may be disposed on the heat generating component 10, specifically on the side wall of the housing 12 of the heat generating component 10, and disposed corresponding to the buckle 1226, so as to be fastened with the buckle 1226. Of course, it is understood that in other embodiments, the first connection structure 50 may not be limited to a clamping structure, and in other embodiments, the first connection structure 50 may be a magnetic attraction structure, a screw structure, a guide slider, a chute mating structure, or others.

In this embodiment, the first opening end 41 of the fixing sleeve 40 is provided with an extension portion 44, and the extension portion 44 can extend radially outwards of the first opening end 41, and its shape and size can be adapted to the shape and size of the fitting opening. The extension 44 may be positioned to cover the mounting opening. The extension 44 may be further removably attached, such as snap fit or magnetic attachment, to the top cover 31 of the extractor 30.

In this embodiment, the fixing sleeve 40 and the housing 21 can be detachably connected by providing a second connecting structure 60. In the present embodiment, the second connection structure 60 includes a first magnetic member 61 and a second magnetic member, wherein the first magnetic member 61 is disposed on the extension portion 44, and the second magnetic member is installed in the housing 21 and corresponds to the first magnetic member 61, is installed on the bracket 22, and can be integrally formed on the top wall of the bracket 22. It will of course be appreciated that in other embodiments the second magnetic member may be provided independently of the support 22. When the fixing sleeve 40 is inserted into the mounting cavity 221 of the bracket 22, the fixing sleeve 40 can be fixed at the mounting opening 211 of the housing 21 by the first magnetic member 61 and the second magnetic member. It will be appreciated that in other embodiments, the second connection structure 60 is not limited to a magnetic structure, and may be a snap-fit structure, a threaded structure, or otherwise.

Fig. 10 shows a second embodiment of the aerosol-generating device of the present utility model, which differs from the first embodiment in that the heat radiation layer 1124 is a composite infrared layer, which may be formed by compositing an infrared layer forming substrate with a binder for binding with the oxidation resistant layer 1123, specifically, the binder may be glass frit, and the composite infrared layer may be glass frit composite infrared layer. The glass powder is adopted, so that the glass powder can be melted at high temperature, the antioxidation layer 1123 is combined with the infrared layer forming matrix, and gaps of the infrared layer forming matrix can be blocked, so that the breakdown resistance function is further improved. The glass powder composite infrared layer can be prepared by adding glass powder into an infrared layer forming matrix (such as silicon carbide or spinel) and compounding, then coating the glass powder on one side of the oxidation resistant layer 1123 far away from the heating layer 1122 in a dip-coating, spray-coating, brush-coating and other modes, then treating the glass powder by a tunnel furnace, then placing the glass powder into a heating furnace, then raising the temperature to 1000-1200 ℃ at a certain heating speed, preserving heat, and then cooling the glass powder into room temperature along with the furnace.

Fig. 11 shows a third embodiment of the aerosol-generating device of the present utility model, which is different from the first embodiment in that the heat-generating body 112 further includes a bonding layer 1125 disposed between the oxidation-resistant layer 1123 and the heat-radiating layer 1124, the bonding layer 1125 being operable to prevent local breakdown of the heat-generating layer 1122, further improving the bonding force of the oxidation-resistant layer 1123 and the heat-radiating layer 1124. In some embodiments, the bond in the bond layer 1125 may be a glass frit, i.e., the bond layer 1125 may be a glass frit layer.

In some embodiments, a bond may also be incorporated into the heat-radiating layer 1124, and the bond layer 1125 may be a glass frit that has a melting point greater than the melting point of the glass frit in the heat-radiating layer 1124.

It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (22)

1. An aerosol-generating device, characterized by comprising a housing (21) having an assembly opening (211) at one end, and a heating element (10) detachably mounted in the housing (21) for heating an aerosol-forming substrate;

the heat generating component (10) comprises a heat generating structure (11); the heating structure (11) comprises a heating part (1120) for generating infrared light waves in an electrified state and a sleeve (111) for allowing the infrared light waves to penetrate, wherein the heating part (1120) is arranged in the sleeve (111) and is at least partially arranged with a gap between the wall of the sleeve (111).

2. Aerosol-generating device according to claim 1, characterized in that it further comprises a fixed sleeve (40) removably arranged in said casing (21); the fixing sleeve (40) is of a hollow structure with two through ends, and the heating component (10) is arranged in the fixing sleeve (40) and is detachably arranged with the fixing sleeve (40).

3. Aerosol generating device according to claim 2, characterized in that the fixing sleeve (40) and the heat generating component (10) are provided with a first connection structure (50), the fixing sleeve (40) and the heat generating component (10) being detachably connected by means of the first connection structure (50).

4. An aerosol-generating device according to claim 3, characterized in that the first connection structure (50) comprises a catch (1226) and a catch hole (43) cooperating with the catch (1226);

the buckle (1226) is arranged on the heating component (10), the clamping hole (43) is arranged on the side wall of the fixed sleeve (40) and is arranged corresponding to the buckle (1226);

or, the clamping hole (43) is arranged on the heating component (10), and the buckle (1226) is arranged on the inner side wall of the fixed sleeve (40) and is arranged corresponding to the clamping hole (43).

5. The aerosol-generating device according to claim 2, further comprising an extractor (30) detachably mounted at the fitting opening (211) for receiving an aerosol-forming substrate;

the fixed sleeve (40) comprises a first opening end (41) and a second opening end (42) which are arranged at intervals in the axial direction; the first opening end (41) is used for being partially inserted and pulled out of the extractor (30), and the heating component (10) is arranged close to the second opening end (42).

6. Aerosol-generating device according to claim 5, characterized in that the first open end (41) of the fixing sleeve (40) is provided with an extension (44) cooperating with the fitting opening (211); the extension (44) is detachably connected with the housing (21) by providing a second connection structure (60).

7. The aerosol-generating device according to claim 6, wherein the second connection structure (60) comprises a first magnetic element (61) and a second magnetic element, the first magnetic element (61) being arranged on the extension (44), the second magnetic element being arranged in the housing (21) and being arranged in correspondence of the first magnetic element (61).

8. Aerosol-generating device according to claim 5, characterized in that the extractor (30) comprises a receiving cavity (320) for receiving an aerosol-forming substrate, the heat-generating component (10) being at least partially detachably inserted in the receiving cavity (320).

9. The utility model provides a heating element, its characterized in that, detachably installs in aerosol production device and can heat aerosol formation matrix, and including supporting seat (12) and install heating structure (11) on supporting seat (12), heating structure (11) are including generating infrared light wave's heating portion (1120) and supply infrared light wave to see through sleeve pipe (111) under the circular telegram state, heating portion (1120) set up in sleeve pipe (111) and at least part and sleeve pipe (111) pipe wall between the clearance setting, sleeve pipe (111) are equipped with opening (1110), opening (1110) set up in supporting seat (12).

10. A heating assembly according to claim 9, wherein the support (12) is provided with a catch (1226) for releasable connection to the aerosol generating device.

11. The heat generating assembly as recited in claim 9, wherein the heat generating portion (1120) is removably disposed in the sleeve (111).

12. The heat generating component according to claim 9, wherein the heat generating structure (11) includes two conductive portions (1121), and the two conductive portions (1121) are connected to the heat generating portion (1120) and led out from the opening (1110), and are detachably and electrically connected to the support base (12) in a state where the heat generating structure (11) is mounted to the support base (12).

13. The heat generating component according to claim 12, wherein a conductive member (124) is provided on the support base (12), and the conductive member (124) is provided corresponding to the conductive portion (1121), is detachably connected to the conductive portion (1121), and is electrically connected to the conductive portion (1121) in a state in which the heat generating structure (11) is mounted on the support base (12).

14. The heat generating assembly as recited in claim 12, wherein a partition (1215) is provided in the support base (12) that separates and insulates two of the conductive portions (1121) that are adjacently provided.

15. The heat generating assembly as claimed in claim 9, wherein the support base (12) comprises a bracket (121) supporting the heat generating structure (11);

the bracket (121) comprises a first bracket body (121 a) and a second bracket body (121 b) which can be opened and closed; the first frame body (121 a) and the second frame body (121 b) clamp or unclamp the heating structure (11) through opening and closing.

16. The heat generating assembly as recited in claim 15, wherein the supporting base (12) further comprises a sealing member (123), the sealing member (123) is detachably disposed between the first frame body (121 a) and the second frame body (121 b), and the sealing member (123) is detachably sleeved on a part of the heat generating structure (11) and is used for sealing and connecting the heat generating structure (11) with the first frame body (121 a) and the second frame body (121 b).

17. The heat generating component according to claim 16, wherein the sealing member (123) includes a sleeve body (1231) having both ends penetrating and provided for being sleeved on a part of the heat generating structure (11), and a first sealing portion (1232) protruding from an outer side wall of the sleeve body (1231);

the first sealing part (1232) is respectively clamped and fixed with the first frame body (121 a) and the second frame body (121 b).

18. The heat generating assembly as recited in claim 16, wherein said support base (12) further comprises a housing (122) removably sleeved on said bracket (121);

the shell (122) is provided with a through hole (1224) for the heating structure (11) to partially penetrate out.

19. The heat generating component according to claim 18, wherein the sealing member (123) further comprises a sleeve body (1231) having both ends penetrating and provided for being sleeved on a part of the heat generating structure (11), and a second sealing portion (1233) protruding from an outer side wall of the sleeve body (1231); the second sealing part (1233) is positioned between the bracket (121) and the housing (122) in the assembled state of the housing (122) and the bracket (121), and is used for sealing a gap formed between the bracket (121) and the end face of the through hole (1224).

20. The heat generating assembly as recited in claim 18, wherein said housing (122) includes a socket (1221) into which said bracket (121) fits;

the bracket (121) comprises a bottom wall (1213), and a gap is reserved between the bottom wall (1213) and the socket joint (1221) when the shell (122) and the bracket (121) are assembled.

21. The heat generating assembly as recited in claim 18, wherein a third connection structure (125) is provided on the bracket (121) and the housing (122);

the third connecting structure (125) comprises a button hole (1222) and a clamping convex (1214); the clamping convex (1214) is convexly arranged on the outer side wall of the bracket (121); the buckling holes (1222) are arranged on the side wall of the shell (122) and are in one-to-one correspondence with the clamping protrusions (1214) so as to be clamped with the clamping protrusions (1214).

22. The heat generating assembly as recited in claim 9, further comprising a temperature measuring structure (13) disposed on the heat generating structure (11) and detachably connected to the support base (12).