WO2022027797A1

WO2022027797A1 - Heating module and aerosol producing device

Info

Publication number: WO2022027797A1
Application number: PCT/CN2020/115813
Authority: WO
Inventors: 晏华斌; 崔弘明; 杞瑞; 黄颖杰
Original assignee: 惠州市沛格斯科技有限公司
Priority date: 2020-08-03
Filing date: 2020-09-17
Publication date: 2022-02-10
Also published as: CN111838774A

Abstract

A heating module, for use in an aerosol producing device (1), and comprising a base (10), a heating assembly (20) disposed on the base (10), and a tobacco cup (30) disposed on the end of the heating assembly (20) distant from the base (10). A connector (40) is provided between the heating assembly (20) and the tobacco cup (30); the connector (40) comprises a bearing platform (41) and a plurality of fixing columns (42) disposed on the side of the bearing platform facing the tobacco cup (30); the tobacco cup (30) is mounted on the bearing platform (41); the first fixing columns (42) extend into the tobacco cup (30) to fix the tobacco cup (30) on the bearing platform (41).

Description

Heating Modules and Smoking Devices

technical field

The present application relates to the field of heat-not-burn smoking articles, in particular to a heating module and a smoking device using the heating module.

Background technique

At present, electronic cigarette products on the market generally adopt relatively simple thermal insulation measures, or directly do not take thermal insulation measures, resulting in large heat loss, large power consumption, and impact on battery utilization. For example, in a known electronic cigarette, a graphene sheet is attached to the outer wall of the casing, and the graphene sheet has large lateral thermal resistance and small vertical thermal resistance to transfer heat laterally to the casing, and longitudinally guide heat to other electronic cigarettes. part. It has the following disadvantages: (1) the heat insulation effect is average; (2) due to the good longitudinal thermal conductivity, more heat is conducted to other components of the smoking device, resulting in greater heat loss.

technical problem

In view of this, the purpose of the present application is to provide a heating module and a smoking device that can reduce heat loss and have a good thermal insulation effect.

technical solutions

The present application provides a heating module for a smoking device, which includes a base, a heating assembly disposed on the base, and a cigarette cup disposed at an end of the heating assembly away from the base, and the heating assembly is connected to the base. A connector is arranged between the cigarette cups, and the connector includes a bearing platform and a plurality of first fixing columns arranged at intervals on the side of the bearing platform facing the cigarette cup, and the cigarette cup is installed on the bearing platform The first fixing column extends into the inside of the cigarette cup and fixes the cigarette cup on the bearing platform.

In one embodiment, the first fixing column includes a first surface parallel to the inner wall of the cigarette cup, the first surface abuts the inner wall of the cigarette cup, and the bottom wall of the cigarette cup is in contact with the bearing Desk contact.

In one embodiment, an accommodating cavity is defined in the bearing platform, and one end of the heating element is accommodated in the accommodating cavity.

In one embodiment, the connector is further provided with a limit groove, the end of the heating component abuts in the limit groove, and the limit groove is opened in the first fixing post or the on the platform.

In one embodiment, the limiting groove includes a first limiting surface and a second limiting surface, the first limiting surface and the second limiting surface are substantially perpendicular, and the first limiting surface and The top surface of the heating element is parallel and abutting, and the second limiting surface is parallel and abutting with the peripheral side surface of the heating element.

In one embodiment, a plurality of second fixing columns are disposed on a side of the bearing platform close to the heating element, and the heating element is sandwiched between the plurality of second fixing columns.

In one embodiment, the length of the contact portion of the second fixing post with the heating element does not exceed one third of the height of the heating element.

In one embodiment, the connector is further provided with a limit groove, the end of the heating component abuts in the limit groove, and the limit groove is opened on the bearing platform, the first on one of the fixed column, the second fixed column and the bearing platform.

In one embodiment, a bracket is provided between the base and the heating component, and the bracket includes a support table and a plurality of positioning columns disposed on the support table on a side close to the heating component. The heating element is fixedly arranged on the support table, and the heating element is sandwiched between a plurality of the positioning columns.

In one embodiment, the height of the contact portion of the positioning post with the heating component is no more than one third of the height of the heating component.

In one embodiment, the bracket further includes a first fixing member disposed on one side of the support platform close to the base, and a second fixing member that cooperates with the first fixing member is disposed on the base, so The first fixing piece is fitted with the second fixing piece to fix the bracket on the base.

In one embodiment, the heating component includes a heating body and a heat conducting body, a accommodating cavity is opened in the heat conducting body, the heating body is accommodated in the accommodating cavity, and is encapsulated in the accommodating cavity by inorganic glue contained in the cavity.

In one embodiment, the heating module further includes a casing, which is fixed on the base and covers the bracket, the heating component, the connector and the cigarette cup, A first heat insulation cavity is formed between the heating component and the housing, and a first heat insulation component is arranged in the first heat insulation cavity.

In one embodiment, a second thermal insulation cavity is formed between the cigarette cup and the housing, and a second thermal insulation component is disposed in the second thermal insulation cavity.

In one embodiment, the first thermal insulation component includes thermal insulation material filled in the first thermal insulation cavity, and the second thermal insulation component includes thermal insulation material filled in the second thermal insulation cavity Material.

In one embodiment, the heat insulating material is selected from one or more of glass fiber, vacuum heat insulating tube, aerogel, and heat insulating cotton.

In one embodiment, the first heat insulating assembly includes a first heat insulating body and a first heat reflector, and the first heat reflector is disposed between the first heat insulating body and the housing.

In one embodiment, the second heat insulating assembly includes a second heat insulating body and a second heat reflector, and the second heat reflector is disposed between the second heat insulating body and the housing.

The present application also provides a heating module for a smoking device, which includes a base, a heating assembly disposed on the base, and a cigarette cup disposed at one end of the heating assembly away from the base, the heating assembly and A connector is arranged between the cigarette cups, and the connector includes a bearing platform and a plurality of first fixing columns arranged at intervals on the side of the bearing platform facing the cigarette cup, and the cigarette cup is installed on the bearing platform. On the table, the first fixing column extends into the inside of the cigarette cup and fixes the cigarette cup on the bearing platform, a receiving cavity is opened in the bearing platform, and one end of the heating component is received in the receiving platform In the cavity, the connector is further provided with a limiting groove, the end of the heating component abuts in the limiting groove, and the limiting groove is opened on the first fixing column.

The present application also provides a smoking device, which includes the heating module described in any one of the above.

beneficial effect

Compared with the prior art, the heating assembly provided by the present application connects the heating assembly and the cigarette cup through the first fixing column on the connector, and the first fixing column extends into the inner wall of the cigarette cup. The distance between the smoke cup and the evaporating medium. The first fixing column can reduce the contact area between the cigarette cup and the connector, and prevent the heat of the heating assembly from being excessively conducted to the cigarette cup. The connector can also be provided with a second fixing column for fixing the heating component; the second fixing column can reduce the contact area between the heating component and the connector, and reduce the heat loss of the heating component. In addition, the heating element and the bracket, and the bracket and the base are also connected by a column, which can further reduce heat loss and improve thermal efficiency.

Description of drawings

In order to illustrate the technical solutions in the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is an exploded perspective view of a heating module according to an embodiment of the present application.

2 is a partial cross-sectional view of a heating module according to an embodiment of the present application.

FIG. 3 is a schematic structural diagram of a connector of a heating module according to an embodiment of the present application.

FIGS. 4( a ) to 4 ( d ) are connection diagrams of the cigarette cup, the connector and the heating component of the heating module according to other embodiments of the present application.

5 is a partial cross-sectional view of a heating module according to another embodiment of the present application.

FIG. 6 is a partial cross-sectional view of a heating module according to another embodiment of the present application.

FIG. 7 is a schematic structural diagram of the smoking device of the present application.

FIG. 8 is a schematic block diagram of the smoking device of the present application.

Embodiments of the present invention

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation on this application. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as "first", "second" may expressly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

In this application, unless otherwise expressly specified and defined, a first feature "on" or "under" a second feature may include direct contact between the first and second features, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the present application. To simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the application. Furthermore, this application may repeat reference numerals and/or reference letters in different instances for the purpose of simplicity and clarity, and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, this application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Please refer to FIG. 1 and FIG. 2 . FIG. 1 is an exploded perspective view of a heating module 100 according to an embodiment of the present application. FIG. 2 is a partial cross-sectional view of a heating module 100 according to an embodiment of the present application. The heating module 100 provided in this application can be used in a smoking device. The so-called smoking device refers to a smoking auxiliary accessory for users to smoke smoking products.

The heating module 100 includes a base 10 , a heating element 20 disposed on the base 10 , and a cigarette cup 30 disposed at one end of the heating element 20 away from the base 10 . A connector 40 is disposed between the heating element 20 and the cigarette cup 30 . A bracket 50 is disposed between the base 10 and the heating element 20 . The heating module 100 further includes a casing 60 . The casing 60 is fixed on the base 10 and covers the heating element 20 , the cigarette cup 30 , the connector 40 and the bracket 50 .

The bracket 50 , the heating component 20 , the connector 40 , the cigarette cup 30 and the casing 60 are sequentially installed on the base 10 . The base 10 is provided with a bracket 50 and a fixing part of the casing 60 . In the present embodiment, the base 10 is provided with a plurality of insertion holes 11 for fixing the bracket 50 and a stepped fixing portion 12 for fixing the casing 60 . The base 10 can be made of plastic material, the plastic material has low thermal conductivity, and the high temperature-resistant plastic material has the effect of heat preservation and heat insulation while meeting the usage requirements. In addition, the base 10 is also provided with an air intake hole for air to enter the heating module 100 .

The heat generating component 20 includes a heat generating body 21 and a heat conducting body 22 . A accommodating cavity 22a is opened in the heat conducting body 22 . The heating body 21 is accommodated in the accommodating cavity 22a. In addition, inorganic glue such as ceramic glue or glass glaze can also be used to encapsulate the heating element 21 in the accommodating cavity 22a. The accommodating cavity 22a may be a blind hole or a through hole opened in the thermal conductor 22 . In one embodiment, the heat conducting body 22 and the accommodating cavity 22a are both cylindrical, and the heat conducting body 22 and the accommodating cavity 22a are coaxially arranged, so that the heat transferred from the heating body 21 to the heat conducting body 22 is uniform. In addition, a plurality of air passages 23 are formed in the thermal conductor 22 . The air passage 23 extends along the end of the heat conducting body 22 opposite to the base 10 to the end of the heat conducting body 22 opposite to the cigarette cup 30 for guiding air from the base 10 to the cigarette cup 30 .

The heating element 21 can be a resistance heating wire. The resistance heating wire has a helical body 211 and two energizing ends 212 connected to the body 211 . The two power terminals 212 can be connected to the power supply module through the openings on the base 10 . The thermal conductor 22 is a core component in the heating assembly 20 to complete heat exchange and air heating, and a material with high thermal conductivity can be used. The thermal conductor 22 has a small volume and a large contact area with the air as much as possible, so that the convective heat exchange process with the air can be fully completed. The material of the thermal conductor 22 can be selected from: sintered body of alumina, zirconia, silicon nitride and other materials; or can be selected from metal materials, such as aluminum, copper, iron and other metal materials. Wherein, when a metal material is used to prepare the heat conductor 22 , the surface of the heat conductor 22 needs to be insulated to prevent the heat conductor 21 from being short-circuited when the heat conductor 22 contacts the heating body 21 .

The cigarette cup 30 is a container for the evaporation medium, used for carrying or fixing the evaporation medium. The evaporation medium can be, for example, cigarettes 1000 or shredded tobacco. A part of the heat of the heating element 20 is transmitted to the cigarette cup 30 through the connector 40 , so as to cure the cigarettes 1000 and promote the release of nicotine from the cigarettes 1000 . The cigarette cup 30 has a thin wall and a small volume to reduce the weight of the cigarette cup. In one embodiment, the thickness of the wall of the cigarette cup 30 is 0.1 mm to 0.5 mm. In a specific embodiment, the thickness of the wall of the cigarette cup 30 is 0.15 mm to 0.2 mm. In a specific embodiment, the thickness of the wall of the cigarette cup 30 is 0.2 mm. The shape and size of the cigarette cup 30 can correspond to the cigarette, for example, it is arranged in a cylindrical shape. The inner diameter of the cigarette cup 30 and the length of the cigarette cup 30 need to correspond to the cigarette so that the cigarette cup 30 can surround the outer circumference of the tobacco part of the cigarette. For example, in order to correspond to Philip Morris International's cigarettes, in one embodiment, the cigarette cup is 12.5 cm in length and 7.35 mm in diameter. The material of the cigarette cup 30 can be selected from: metal, such as stainless steel, etc., ceramics and other materials with high thermal conductivity. In order to play the role of auxiliary heating, in some embodiments, the material of the cigarette cup 30 includes metal or alloy materials, for example, aluminum, copper, stainless steel, and the like.

The connector 40 is used to connect the cigarette cup 30 and the heating element 20 together. Specifically, one end of the connector 40 is in direct contact with the heating element 20 , and the other end is in direct contact with the cigarette cup 30 . Please refer to FIG. 3 , the connector 40 includes a support base 41 and a plurality of first fixing posts 42 disposed at intervals on the side of the support base 41 facing the cigarette cup 30 . The cigarette cup 30 is installed on the bearing platform 41 . The bearing platform 41 is generally in the shape of a hollow ring. The opening in the middle of the bearing platform 41 , or the position where the hole is dug, is used for supplying air to flow from the heating element 20 to the cigarette cup 30 . An accommodating cavity 41a is defined in the bearing platform 41, and one end of the heating element 20 is accommodated in the accommodating cavity 41a. A plurality of first fixing columns 42 are arranged around the periphery of the bearing platform 41 . The first fixing column 42 extends into the inside of the cigarette cup 30 and fixes the cigarette cup 30 on the supporting platform 41 . In addition, the first fixing column 42 can also be used to adjust the distance between the evaporation medium and the heating element 20 to control the heating temperature of the evaporation medium. The present application does not limit the shape of the first fixing post 42, which may be a prism or a cylinder. The present application also does not limit the manner in which the first fixing column 42 fixes the cigarette cup 30 . In this embodiment, the first fixing column 42 includes a first surface 421 parallel to the inner wall of the cigarette cup 30 , the first surface 421 is in contact with the inner wall of the cigarette cup 30 , and the bottom wall of the cigarette cup 30 is in contact with the upper surface of the supporting platform 41 . catch. In other words, the first surface 421 of the first fixing column 42 and the upper surface of the bearing platform 41 together form a stepped fixing portion on which the cigarette cup 30 is fixed. In other embodiments, for example, a convex block may be provided on the surface of the first fixing column 42, and a concave portion may be formed in the cigarette cup 30, and the convex block on the surface of the first fixing column 42 may be fitted with the concave portion in the cigarette cup 30, The first fixing post 42 is fixed to the cigarette cup 30 . The connector 40 is also provided with a limiting groove 43 , and the end of the heating element 20 abuts in the limiting groove 43 to limit the position of the heating element 20 . In this embodiment, the limiting groove 43 may be formed on the first fixing column 42 . Specifically, the limiting groove 43 may be opened on the inward side of the first fixing column 42 . The limiting groove 43 may include a first limiting surface 431 and a second limiting surface 432 . The first limiting surface 431 and the second limiting surface 432 are substantially perpendicular. The first limiting surface 431 is parallel to and abuts with the top surface of the thermal conductor 22 , and the second limiting surface 432 is parallel to and abuts on the peripheral side surface of the thermal conductor 22 .

Referring to FIG. 4( a ), in another embodiment of the present application, the limiting groove 43 may also be formed on the bearing platform 41 . The first limiting surface 431 and the second limiting surface 432 are located on the side of the bearing platform 41 away from the first fixing column 42 .

Referring to FIGS. 4( b ) to 4 ( d ), in another embodiment of the present application, a plurality of second fixing columns 44 are disposed on one side of the bearing platform 41 close to the heating element 20 . A plurality of second fixing columns 44 are arranged around the periphery of the bearing platform 41 . The present application does not limit the shape of the second fixing column 44, which may be a prism or a column. The present application also does not limit the manner in which the second fixing column 44 fixes the heating element 20 . In this embodiment, the heating element 20 is sandwiched between the plurality of second fixing columns 44 . In order to reduce the contact area between the second fixing column 44 and the heating element 20 , the length h1 of the contacting part of the second fixing column 44 and the heating element 20 does not exceed one third of the height h2 of the heating element 20 . The connector 40 can also be provided with a limiting slot 43 , please refer to FIG. 4(b), FIG. 4(c) and FIG. 4(d) respectively, the end of the heating element 20 abuts in the limiting slot 43, and The slot 43 may be formed on one of the support base 41 , the first fixing column 42 , and the second fixing column 44 . The limiting groove 43 may also include a first limiting surface 431 and a second limiting surface 432 . The first limiting surface 431 and the second limiting surface 432 are substantially perpendicular. The first limiting surface 431 is parallel to and abuts with the top surface of the thermal conductor 22 , and the second limiting surface 432 is parallel to and abuts on the peripheral side surface of the thermal conductor 22 .

In addition, the material of the connector 40 can be selected from high temperature resistant materials such as zirconia ceramics, silicon dioxide, and ceramics. By setting the connecting end of the connector 40 into a column shape, the contact area between the cigarette cup 30 and the connector 40 is small, so that the cigarette cup 30 is in contact with the heat conductor 22 of the heating component 20 through the connector 40, and the heat loss of conduction and heat conduction is reduced. The conducted heat will not be too much to affect the working efficiency of the heating element 20 .

All in all, in this embodiment, the connector 40 has three functions. First, the function of supporting the cigarette cup 30, and fixing and positioning the heating element 20 together with the bracket 50; second, connecting the cigarette cup 30 and the heating element 20 together to conduct a part of the heat of the heating element 20 to reach the heating element 20. The cigarette cup 30, the temperature of the cigarette cup 30 is increased, which is conducive to the atomization of the cigarette 1000 and the release of nicotine; thirdly, the limiting part 42 on the connector 30 can be used to control the insertion depth of the cigarette 1000, and control the cigarette 1000 and heat generation. The distance between the components 20, the thermal conductivity of the connector 40 is much lower than that of the heating component 20 and the cigarette cup 30. At the same time, the connector 40 adopts the bone contact with the cigarette cup 30 and the heating component 20, and the contact area is minimized and minimized. The heat of the heating element 20 is conducted to the cigarette cup 30 , so that most of the heat of the heating element 20 is used to heat the air, and a small part is conducted to the cigarette cup 20 to maintain the temperature of the cigarette cup 20 .

The bracket 50 plays a role of supporting the heating element 20 and the cigarette cup 30 . The bracket 50 includes a support table 51 and a plurality of positioning columns 52 disposed on the support table 51 on the side close to the heating element 20 . The bracket 50 is generally in the shape of a hollow ring. The opening in the middle of the bracket 50 , or the position where the hole is dug, is used for supplying air to flow to the heating element 20 and for passing through the two power terminals 212 to connect with the power supply module. A plurality of positioning posts 52 are provided around the periphery of the support table 51 . The heating element 20 is fixed on the support table 51 , and a part of the bottom surface of the heating element 20 is in contact with the support table 51 . The heating element 20 is sandwiched between the plurality of positioning posts 52 . Specifically, the outer peripheral wall of the heating element 20 is in abutment with the inner side wall of the positioning column 52 . The positioning post 52 only clamps the end of the heating element 20 . Referring to FIG. 2 , in one embodiment, in order to reduce the contact area between the positioning column 52 and the heating element 20 , the height h3 of the contact portion between the positioning column 52 and the heating element 20 does not exceed one third of the height h2 of the heating element 20 .

The bracket 50 further includes a plurality of first fixing members 53 disposed on the side of the support table 51 close to the base 10 . The base 10 is provided with a second fixing member 11 that cooperates with the first fixing member 53 . The first fixing member 53 is fitted with the second fixing member 11 to fix the bracket 50 on the base 10 . The first fixing member 53 and the second fixing member 11 may be plugs and sockets. In this embodiment, the first fixing member 53 includes a plurality of latches. The second fixing member 11 includes a plurality of insertion holes 11 . The base 10 and the bracket 50 are in contact with each other through several small points, that is, the bone connection, so that the contact area is small and the heat loss of conduction and heat conduction is reduced. However, the connection manner of the bracket 50 and the base 10 in the present application is not limited to this.

The material of the bracket 50 is a high temperature resistant material such as zirconia ceramics, silicon dioxide, and ceramics. It can reduce conduction and heat conduction and reduce heat loss. The use of several bone positions and smaller contact surfaces to fix the heating element 20 further reduces heat loss through conduction and heat conduction.

The housing 60 may be hollow cylindrical. The peripheral wall of the case 60 is locked to the stepped fixing portion 12 of the base 10 . The outer wall of the casing 60 is provided with a ventilation hole 62 . The vent hole 62 is located at the end of the housing 60 close to the base 10 . The housing 60 can be made of plastic, such as polyether ether ketone (PEEK) plastic or polyphenylene sulfone (PPSU) plastic. The plastic itself has the characteristics of low thermal conductivity, and the high temperature resistant plastic material has the effect of thermal insulation while meeting the requirements of use. The contact area between the casing 60 and the cigarette cup 30 is small, and the contact area with the base 10 is small, thereby reducing the heat loss due to conduction and heat conduction.

The temperature of the heat conductor 22 of the heating element 20 can reach 400° C. during operation, therefore, thermal insulation measures become very important. A first heat insulation cavity 100a is formed between the heating component 20 and the housing 60, and a first heat insulation component 71 is disposed in the first heat insulation cavity 100a. A second insulating cavity 100b is formed between the cigarette cup 30 and the casing 60 . A second heat insulating assembly 72 is disposed in the second heat insulating cavity 100b. The first heat insulating assembly 71 includes heat insulating material filled in the first heat insulating cavity 100a. The second thermal insulation assembly 72 includes thermal insulation material filled in the second thermal insulation cavity 100b.

The insulating material may be selected from glass fibers, vacuum insulating tubes, aerogels, insulating wool, and the like. Glass fiber has good heat resistance, very low thermal conductivity, and good flame retardancy, and glass fiber is non-toxic and harmless, and has no odor at high temperature. In one embodiment, glass fiber is selected as the thermal insulation material. The glass fiber is wrapped and filled between the casing 60 and the cigarette cup 30, the casing 60 and the heating element 20, and by wrapping the glass fiber on the thermal conductor 22 of the core working part of the heating element 20, on the one hand, the heating element can be The heat released by the heating element 20 is wrapped to improve the working efficiency of the heating element 20; on the other hand, it can effectively prevent the heat from being diffused and lost to the casing 60 in the form of radiation, which can effectively improve the working efficiency of the heating element and effectively reduce the heat. loss, reducing the case temperature rise.

Referring to FIG. 5 , in other embodiments, the first heat insulating component 71 includes a first heat insulating body 711 and a first heat reflector 712 . The first heat reflector 712 is disposed between the first heat insulator 711 and the casing 60 . The second heat insulating assembly 72 includes a second heat insulating body 721 and a second heat reflector 722 . The second heat reflector 722 is disposed between the second heat insulator 721 and the casing 60 . In some embodiments, the first heat insulating assembly 71 and the second heat insulating assembly 72 may also be separate structures. The first heat insulator 711 and the second heat insulator 721 may have separate structures, and the first heat reflector 712 and the second heat reflector 722 are also separate structures, which will not be repeated here. In the heating module of this embodiment, a first heat insulating component 71 is provided in the first heat insulating cavity 100 a formed between the heating component 20 and the housing 60 , and the first heat insulating component 71 includes a first heat insulating body 711 and a first heat insulating body 711 . The heat reflector 712 , the first heat reflector 712 is located between the first heat insulator 711 and the casing 60 . In this embodiment, the first heat insulator 711 is arranged to reduce the heat loss of the heating element 20 to improve the working efficiency of the heating element 20. A heat reflector 712 can re-reflect the radiant heat energy passing through the first heat insulator 711 into the first heat insulator 711, and then through the cooperation of the first heat insulator 711 and the first heat reflector 712, the heat can be greatly improved. The heat loss of the heat generating component 20 is reduced. In addition, the above arrangement reduces the temperature of the casing 60 and improves the comfort of the smoking device when using it.

Further, in this embodiment, a second heat insulating assembly 72 is provided in the second heat insulating cavity 100 b formed between the cigarette cup 30 and the casing 60 , and the second heat insulating assembly 72 includes a second heat insulating body 721 and a second heat insulating body 721 . The heat reflector 722 and the second heat reflector 722 are located between the second heat insulator 721 and the housing 60 . Therefore, through the combined use of the second heat insulator 721 and the second heat reflector 722 , the cigarette cup 30 is lowered. Therefore, the smoking products in the cigarette cup 30 can be fully heated by the hot air entering the cigarette cup 30, which is beneficial to improve the atomization efficiency of the smoking products, so that the smoker can smoke the smoking products in time.

In this embodiment, the first heat reflector 712 is an aluminum foil. Specifically, the first heat reflector 712 is an aluminum foil coil. The aluminum foil coil is wrapped around the outer peripheral side of the porous heat insulating material.

Specifically, the aluminum foil has good ductility, and its own thermal resistance is small, and the absorption rate of radiant heat energy is low. In addition, because the surface of the aluminum foil is smooth, it can reflect 80% to 95% of the heat energy to the first heat insulator. 711 on. Therefore, in this embodiment, the combined use of the porous heat insulating material and the aluminum foil can greatly reduce the heat loss in the thermal conductor 22 , thereby further improving the working efficiency of the thermal conductor 22 . In addition, the above arrangement further reduces the heat loss in the cigarette cup 30, thereby further improving the use feeling of the smoking device.

In this embodiment, since the thermal conductor 22 is in contact with the bracket 50 , in order to prevent the heat in the thermal conductor 22 from being transferred to the support table 51 , the first insulator 711 is also disposed between the casing 60 and the bracket 50 . time, so that the heat loss in the thermal conductor 22 can be further reduced.

Referring to FIG. 5 , in some embodiments, the first heat insulating body 711 is a heat shield. The heat shield is sleeved on the outer peripheral sides of the heat conductor 22 and the cigarette cup 30 . Wherein, the material of the heat shield may include glass fiber, aerogel and the like.

The first heat reflector 712 is a heat reflector film. The heat reflective film is attached to the outer peripheral wall of the heat shield. Specifically, the heat-reflecting film may be a metal film such as gold, silver, nickel, or the like, or may be a film material that can reflect radiant heat energy, such as a polyester or polyimide film coated with a metal material.

It can be understood that due to the high surface flatness of the film material, especially the metal film, the surface smoothness of the film layer is relatively high. Therefore, compared with the aluminum foil coil, the heat reflective film has a better reflection effect on heat energy. . When a small amount of radiant heat energy passing through the heat shield is transmitted to the surface of the heat-reflecting film, most of the heat can be reflected to the heat shield again, thereby greatly reducing the probability of heat transfer to the shell 60, which can greatly reduce the heat transfer rate to the heat conductor 22. And the cigarette cup 30 has better thermal insulation effect.

Specifically, an electroplating process or a sputtering process can be used to form a layer of heat reflective film on the outer peripheral wall of the heat shield, and then during the assembly process of the heating module 200, the heat shield cover with the heat reflective film attached is directly covered. It is arranged on the outer peripheral side of the cigarette cup 30 and the heat conductor 22 to achieve double heat insulation effect, thereby effectively reducing the heat loss of the heat conductor 22 and the cigarette cup 30 .

Further, since the heat shield has a better thermal insulation effect on thermal energy, and the heat reflective film has a better thermal energy reflection effect, under the condition of a certain internal space of the first thermal insulation cavity 100a and the second thermal insulation cavity 100b , by adjusting the thickness of the heat shield and the thickness of the heat reflective film, the heat loss of the thermal conductor 22 and the cigarette cup 30 can be minimized while reducing the loss of radiant heat energy. For example, the thickness of the heat shield can be set to be close to the thickness that can be accommodated in the inner space of the first heat shield cavity 100a and the second heat shield cavity 100b, and then an electroplating or sputtering process is used to form a thickness on the outer wall of the heat shield An extremely thin heat-reflecting film is used to minimize thermal energy loss by adjusting the thickness. In other embodiments, the heat reflective film may also be formed on the inner wall of the casing 60 , which will not be repeated here. It should be noted that, in the above embodiments, the second heat insulating component 72 and the first heat insulating component 71 are integrally formed as an example for description. The description of the heat insulator 711 and the structure and material of the second heat reflector 722 can refer to the description of the first heat reflector 712 , which will not be repeated here.

Please continue to refer to FIG. 6 , in some embodiments, the first insulating cavity 100a is located between the housing 60 and the heating element 20 and between the base 10 and the heating element 20 , in other words, the first insulating element 71 is disposed in the between the housing 60 and the heating element 20 and between the base 10 and the heating element 20 .

Specifically, the first insulating cavity 100a includes a first sub-insulating cavity n1 and a second sub-insulating cavity n2. The first sub-insulation cavity n1 is located between the casing 60 and the heat conductor 22 . The second sub-insulation cavity n2 is located between the bracket 50 and the heat conductor 22 . Wherein, the first sub-insulation cavity n1 is communicated with the second sub-insulation cavity n2.

The first heat insulating assembly 71 includes heat insulating material and aluminum foil. The heat insulating material is filled in the first sub-insulation cavity n1 and the second sub-insulation cavity n2. The insulating material is a porous insulating material. The aluminum foil is wrapped around the part of the heat insulating material located in the first sub heat insulating cavity n1.

The above arrangement can simultaneously reduce the probability that the heat of the heat conductor 22 is transferred to the housing 60 and the base 10, that is, reduces the heat loss at the side and bottom of the heat conductor 22, thereby improving the working efficiency of the heating element 20 to the greatest extent. So that the air inside the heating element 20 can be heated sufficiently. In addition, in other embodiments, the first heat insulating cavity 100a may also be located only between the base 10 and the heating element 20 . The first heat insulating component 71 is disposed in the first heat insulating cavity 100a, in other words, the first heat insulating component 71 is only disposed between the base 10 and the heating component 20, and details are not described herein again.

In addition, the temperature control of the heating element 20 is completed by the temperature control module of the smoking device. The temperature control module can monitor the real-time temperature of the heating element 20 in the working process in real time, and can make corresponding adjustments according to the real-time temperature, so as to ensure the consistency of the temperature of the heating element 20 baking the evaporative medium during the working process, and ensure the evaporation medium. Atomization effect and nicotine release. The temperature measurement method can use the resistance heating wire whose resistance value changes with the temperature change, and the temperature coefficient of resistance (temperature coefficient of resistance) can be used. Coefficient of resistance, TCR) measurement method; real-time measurement method of collecting temperature through temperature sensing element can also be used. When using temperature sensing element for temperature measurement, it is necessary to install the temperature sensing element closely on the parts to be detected. Among them, the temperature measurement method of TCR does not require additional temperature sensing elements, but uses the average temperature resistance characteristics of the heating wire to monitor the temperature. In a specific embodiment, the heating module 100 of the present application further includes a temperature detection module 80 . The temperature detection module 80 includes a first temperature sensing element 81 and a second temperature sensing element 82 . The first temperature sensing element 81 is installed on the bracket 50 and the base 10 , and is closely attached to the heat conductor 22 of the heating element 20 , and is used to detect the temperature of the heating element 20 . The first temperature sensing element 81 may be, for example, a thermistor-like temperature sensing element or a thermocouple. The second temperature sensing element 82 is mounted on the base 10 and is disposed outside the cigarette cup 30 for detecting the temperature of the cigarette cup 30 .

When assembling the heating module 100, first, the first temperature sensing element 81 is installed on the bracket 50, the bracket 50 and the second temperature sensing element 82 are installed on the base 10; the heating body 21 is placed on the heat conductor 21 The heating component 20 is formed in the accommodating cavity 22a of the cigarette holder, the heating component 20 and the cigarette cup 30 are connected through the connector 40, the whole formed by the three is installed on the base 10 and the bracket 50, and the whole component is put into the housing 60, Further, the housing 60 is filled with the heat insulating material 70 .

The working principle of the heating module 100 is as follows. Air enters the heating module 100 through the ventilation holes 62 on the outer wall of the housing 60 and the air inlet holes under the base 10. During the suction process, the heating body 21 is energized to generate heat, and the heat is conducted to the heat conduction. body 22, the air passes through the air passage 23 set in the heat conducting body 22 and the heat conducting body 22 completes heat exchange and enters the cigarette cup 30, the heated air bakes the evaporating medium to release nicotine, atomizes the cigarette, and the atomized smoke passes through The mouthpiece is sucked by the user. At the same time, a part of the heat of the heating element 20 is transmitted to the cigarette cup 30 through the connector 40, which plays the role of curing the cigarette and promoting the release of nicotine from the cigarette.

Please refer to FIG. 7 , the present application further provides a smoking device 1 . The smoking device 1 includes six major components: an upper cover, a bottom case, a battery, a printed circuit board (PCB) board, a support frame, and a heating module 100 . When assembling, install the battery and PCB board on the support frame, then install the support frame into the bottom case, then install the heating module 100 on the support frame, and finally assemble the upper cover, and the whole machine is assembled.

Please refer to FIG. 8 , the smoking device 1 includes a power module 200 , a driving module 300 , a temperature control module 400 , and a heating module 100 . During operation, the power supply module 200 supplies power, the driving module 300 makes the heating element 21, such as the resistance heating wire, start to work, and the temperature control module 400 controls the temperature of the resistance heating wire. The heat released by the resistance heating wire is conducted to the heat conductor 22 in the way of heat conduction, and the heat of the heat conductor 22 is conducted to the air in the air passage 23 in the way of convective heat exchange with the air to complete the work of heating the air. When there is a smoking action, the heated air enters the inside of the cigarette cup and starts to bake the evaporative medium, so that the cigarettes 200 are atomized to generate smoke, and the nicotine is released for the smoker to use.

The technical solutions in the present invention will be clearly and completely described below with reference to the accompanying drawings in the various embodiments of the present invention. Obviously, the described embodiments are only a part of, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Claims

A heating module is used for a smoking device, which includes a base, a heating element arranged on the base, and a cigarette cup arranged at one end of the heating element away from the base, the heating element and the cigarette cup A connector is arranged between them, and the connector includes a bearing platform and a plurality of first fixing columns arranged at intervals on the side of the bearing platform facing the cigarette cup. The cigarette cup is installed on the bearing platform, so the The first fixing column extends into the inside of the cigarette cup and fixes the cigarette cup on the supporting platform.
The heating module according to claim 1, wherein the first fixing column comprises a first surface parallel to the inner wall of the cigarette cup, the first surface is in contact with the inner wall of the cigarette cup, and the cigarette cup The bottom wall is in contact with the carrying platform.
The heating module according to claim 1, wherein a receiving cavity is defined in the bearing platform, and one end of the heating element is received in the receiving cavity.
The heating module according to claim 3, wherein the connector is further provided with a limiting groove, the end of the heating component abuts in the limiting groove, and the limiting groove is opened in the limiting groove. on the first fixed column or the bearing platform.
The heating module of claim 4, wherein the limiting groove comprises a first limiting surface and a second limiting surface, the first limiting surface and the second limiting surface are substantially perpendicular, so The first limiting surface is parallel to and abuts with the top surface of the heating element, and the second limiting surface is parallel and abutting with the peripheral side surface of the heating element.
The heating module according to claim 2, wherein a plurality of second fixing columns are disposed on a side of the bearing platform close to the heating element, and the heating element is sandwiched between the plurality of second fixing columns between.
The heating module according to claim 6, wherein the length of the contact portion of the second fixing column and the heating component is no more than one third of the height of the heating component.
The heating module according to claim 6, wherein the connector is further provided with a limiting groove, the end of the heating component abuts in the limiting groove, and the limiting groove is opened in the limiting groove. on one of the bearing platform, the first fixing column, the second fixing column and the bearing platform.
The heating module according to claim 1, wherein a bracket is provided between the base and the heating component, and the bracket comprises a support table and a support table disposed on a side of the support table close to the heating component A plurality of positioning columns, the heating components are fixedly arranged on the support table, and the heating components are sandwiched between the plurality of positioning columns.
The heating module according to claim 9, wherein the height of the contact portion of the positioning column and the heating component is no more than one third of the height of the heating component.
The heating module according to claim 9, wherein the bracket further comprises a first fixing member disposed on a side of the support platform close to the base, and the base is provided with a first fixing member to cooperate with the first fixing member. The second fixing piece is fitted with the first fixing piece and the second fixing piece to fix the bracket on the base.
The heating module according to claim 1, wherein the heating component comprises a heating body and a heat conducting body, a accommodating cavity is opened in the heat conducting body, the heating body is accommodated in the accommodating cavity, and is The inorganic glue is potted in the accommodating cavity.
The heating module according to claim 11, wherein the heating module further comprises a casing, the casing is fixed on the base and covers the bracket, the heating component, the connection A first heat insulating cavity is formed between the heating component and the casing, and a first heat insulating component is arranged in the first heat insulating cavity.
The heating module according to claim 13, wherein a second heat insulation cavity is formed between the cigarette cup and the housing, and a second heat insulation component is arranged in the second heat insulation cavity.
The heating module of claim 14, wherein the first thermal insulation component comprises thermal insulation material filled in the first thermal insulation cavity, and the second thermal insulation component comprises thermal insulation material filled in the second thermal insulation cavity Insulation material in insulation cavity.
The heating module according to claim 15, wherein the heat insulating material is selected from one or more of glass fiber, vacuum heat insulating tube, aerogel, and heat insulating cotton.
The heating module according to claim 13, wherein the first heat insulating component comprises a first heat insulating body and a first heat reflector, and the first heat reflector is disposed between the first heat insulating body and the first heat reflector. between the shells.
The heating module according to claim 14, wherein the second heat insulating component comprises a second heat insulating body and a second heat reflector, and the second heat reflector is disposed between the second heat insulating body and the second heat reflector. between the shells.
A heating module is used for a smoking device, which includes a base, a heating element arranged on the base, and a cigarette cup arranged at one end of the heating element away from the base, the heating element and the cigarette cup A connector is arranged therebetween, and the connector includes a bearing platform and a plurality of first fixing columns arranged at intervals on the side of the bearing platform facing the cigarette cup. The cigarette cup is installed on the bearing platform, so that the The first fixing column extends into the inside of the cigarette cup and fixes the cigarette cup on the bearing platform. A receiving cavity is opened in the bearing platform, and one end of the heating component is received in the receiving cavity. The connector is further provided with a limiting groove, the end of the heating element abuts in the limiting groove, and the limiting groove is opened on the first fixing column.
A smoking device comprising the heating module as claimed in claim 1 .