Heating assembly and heating non-combustion device

Abstract

The utility model relates to the technical field of aerosol generation equipment, in particular to a heating assembly and a heating non-combustion device. The heat conduction cup comprises a side part and a bottom, the bottom is arranged at one end of the side part, a heating cavity with an opening in one end is defined by the bottom and the side part, and the heating cavity is used for containing and heating at least part of the aerosol matrix; the protruding part is arranged on the side, away from the heating cavity, of the heat conduction cup, and a mounting cavity for mounting the heating piece is defined by the protruding part; the protruding part is provided with a deformation part, the deformation part is used for being pressed to deform so as to form a riveting protrusion, and the riveting protrusion is used for pressing the heating piece on the heat conduction cup in an abutting mode. The heating element can be riveted and fixed in the mounting cavity by the lug boss, so that stress contact is formed between the heating element and the heat conducting cup through riveting assembly, the heat transfer efficiency of the heating element to the heat conducting cup is improved, and the heating efficiency of the heating assembly is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of aerosol generating equipment, in particular to a heating assembly and a heat-not-burn device. BACKGROUND

[0002] The heat-not-burn device is usually provided with a heating assembly to generate aerosol by heating the solid aerosol substrate through the heating assembly. The common composition form of the heating assembly is to sequentially coat an insulating layer and a metal heating mesh outside a metal heat-conducting pipe body. The metal heating mesh generates heat after being electrified, and the generated heat is transmitted to the aerosol substrate inserted into the inner cavity of the pipe body through the metal heat-conducting pipe body to realize the heating of the aerosol substrate. Such a heating assembly usually has the problems of low heating efficiency and short-circuiting due to failure of insulating contact. CONTENT OF THE UTILITY MODEL

[0003] The present application is to improve the heating efficiency and contact stability of the heating assembly, and provides a heating assembly and a heat-not-burn device.

[0004] According to a first aspect, a heating assembly is provided in an embodiment, comprising:

[0005] a heating element;

[0006] a heat-conducting cup, the heat-conducting cup comprising a side portion and a bottom portion, the bottom portion being arranged at one end of the side portion, the bottom portion and the side portion jointly enclosing a heating cavity with an open end, the heating cavity being used for accommodating and heating at least part of the aerosol substrate;

[0007] and a protruding portion, the protruding portion being arranged on a side of the heat-conducting cup away from the heating cavity, the protruding portion jointly enclosing a mounting cavity for mounting the heating element;

[0008] the protruding portion has a deformation portion, the deformation portion being used for being deformed under pressure to form a riveting protrusion, the riveting protrusion being used for pressing the heating element against the heat-conducting cup.

[0009] In an embodiment, the protruding portion comprises a plurality of riveting pieces, the riveting pieces being spaced to jointly enclose the mounting cavity.

[0010] In an embodiment, the protruding portion comprises a protruding ring, an inner cavity of the protruding ring forming the mounting cavity, at least two thinned segments being arranged on the protruding ring in a circumferential direction, a riveting segment being formed between adjacent thinned segments, the riveting segment having the deformation portion, the thickness and / or axial length of the thinned segment being smaller than that of the riveting segment.

[0011] In an embodiment, the heat-conducting cup is made of a material with a thermal conductivity coefficient not less than 30 W / (m·K).

[0012] In an embodiment, the heating element comprises one of a high-temperature co-fired ceramic heating sheet, a stainless steel thick-film heating sheet, a ceramic thick-film heating sheet, and a meshed ceramic heating sheet.

[0013] In an embodiment, a heat-conducting layer is plated on the abutting surface of the heating element and the heat-conducting cup; and / or, a heat transfer layer is arranged between the heating element and the heat-conducting cup.

[0014] The heat-conducting coefficient of the heat-conducting layer and the heat transfer layer is not less than 50 W / (m•K).

[0015] In an embodiment, the heat-conducting layer is made of silver, aluminum, silver-copper alloy, or graphite.

[0016] In an embodiment, the heat transfer layer is made of graphite, graphite-metal composite material, diamond powder-metal composite material, or carbon fiber-metal composite material.

[0017] In an embodiment, the heating assembly further comprises a hoop ring, which is arranged on the outside of the protruding portion.

[0018] In an embodiment, an air passage is arranged on the cavity wall of the heating cavity, the air passage is in communication with the opening of the heating cavity, and the air passage is used for allowing the airflow outside the heat-conducting cup to flow into the heating cavity and enter the aerosol substrate contained in the heating cavity.

[0019] According to the second aspect, in an embodiment, a heating non-combustion device is provided, comprising:

[0020] a housing;

[0021] a heating assembly arranged in the housing, the heating assembly being any one of the above-mentioned embodiments;

[0022] and a power supply assembly for supplying power to the heating element.

[0023] According to the heating assembly of the above-mentioned embodiments, the deformed portion of the protruding portion can be deformed under pressure to form a riveting protrusion, so as to rivet and fix the heating element in the mounting cavity, so that the heating element and the heat-conducting cup are in stress contact through riveting assembly, which helps to improve the contact quality between the heating element and the heat-conducting cup, the contact is more stable, the failure risk is reduced, and the heat transfer efficiency of the heating element to the heat-conducting cup is improved, so that the heating efficiency of the heating assembly is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 FIG. 1 is a structural schematic diagram of a heating assembly according to an embodiment;

[0025] Figure 2 FIG. 2 is a structural schematic diagram of a heating assembly according to another embodiment; Figure 1 FIG. 3 is a cross-sectional structural schematic diagram of a heating assembly according to an embodiment.

[0026] Figure 3 Structure diagram of a heating assembly according to another embodiment;

[0027] Figure 4 Structure diagram of a heating assembly according to another embodiment; Figure 3 Structure diagram of a heating assembly according to another embodiment;

[0028] Figure 5 Structure diagram of a heating element in a heating assembly according to an embodiment;

[0029] Figure 6 Structure diagram of a heating assembly according to another embodiment;

[0030] Figure 7 Structure diagram of a heating assembly according to another embodiment.

[0031] In the drawings: 100, heating element; 110, lead wire; 120, heat-conducting layer;

[0032] 200, heat-conducting cup; 210, side portion; 211, raised edge; 220, bottom portion; 230, heating cavity;

[0033] 300, raised portion; 310, mounting cavity; 320, riveting raised portion; 330, thinned section; 340, riveting section;

[0034] 400, hoop ring;

[0035] 500, heat-conducting layer;

[0036] 600, housing; 610, substrate insertion port; 620, mounting assembly; 621, isolation space;

[0037] 700, energy supply assembly;

[0038] 800, aerosol substrate. DETAILED DESCRIPTION

[0039] The present application will be further described with reference to the drawings, wherein like numerals refer to like elements throughout. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without these specific details. In other instances, well-known methods have not been described in detail in order not to unnecessarily obscure the present application.

[0040] In addition, features described in the specification, operations or characteristics can be combined in any appropriate manner to form various embodiments. Meanwhile, the steps or actions in the method description can also be sequentially changed or adjusted in a manner that can be apparent to those skilled in the art. Therefore, the various sequences in the specification and the drawings are only for the purpose of clearly describing a certain embodiment, and do not mean that the sequence is necessary, unless otherwise stated that a certain sequence must be followed.

[0041] The serial numbers of components in this paper, such as "first", "second", etc., are only used to distinguish the described objects, and have no technical meaning. Unless otherwise specified, "connection" and "coupling" in this application include direct and indirect connection (coupling).

[0042] In the embodiment of the application, the deformed part of the protruding part 300 is used for pressure forming a riveting protrusion 320 to rivet and fix the heat generating part 100 in the mounting cavity 310, so that the heat generating part 100 and the heat conducting cup 200 are in stress contact through riveting assembly, the contact is more stable, which helps to reduce the failure risk, improve the heat transfer efficiency of the heat generating part 100 to the heat conducting cup 200, and improve the heating efficiency of the heating assembly.

[0043] Embodiments of the heating assembly in the application:

[0044] In one embodiment, please refer to Figures 1-7 The heating assembly comprises a heat generating part 100, a heat conducting cup 200 and a protruding part 300.

[0045] Please refer to Figure 1 The heat generating part 100 can be understood as a component for generating heat in the heating assembly; the protruding part 300 can be understood as a fixing element of the heat generating part 100, which is used to fix the heat generating part 100 to the heat conducting cup 200; the heat conducting cup 200 can be understood as a heat conducting carrier for containing the aerosol substrate 800 and transferring heat to the aerosol substrate 800, which is used to conduct the heat generated by the heat generating part 100 to the aerosol substrate 800 to heat the aerosol substrate 800, so that the aerosol substrate 800 can generate aerosol.

[0046] Those skilled in the art should know that the common setting forms of the heat generating part 100 include heating wires, heating nets, etc., but the heat generating area of these forms of heat generating part 100 is relatively small, and there is a problem of limited heating efficiency.

[0047] Therefore, in one embodiment, please refer to Figure 1 and Figure 2The heating element 100 can include one of a high-temperature co-fired ceramic heating sheet, a stainless steel thick-film heating sheet, a ceramic thick-film heating sheet, and a ceramic heating sheet with a meshed heating net. The heating element 100 in the form of the heating sheet has a large heating area, which helps to improve the heating efficiency of the heating assembly. The heating element 100 can be provided with a lead 110 for electrical connection with the functional assembly.

[0048] The high-temperature co-fired ceramic heating sheet is made of multiple layers of ceramic material and a metal conductor, which are sintered together at high temperature. The metal conductor is used for heating by passing current. The high-temperature co-fired ceramic heating sheet has good electrical insulation performance. The stainless steel thick-film heating sheet is formed by sequentially printing and sintering an insulating thick-film layer, a thick-film heating layer, a thick-film electrode layer, and a thick-film protective layer on a stainless steel substrate. The ceramic thick-film heating sheet is formed by printing and sintering a thick-film heating layer, a thick-film electrode layer, and a protective layer on a ceramic substrate. The ceramic thick-film heating sheet also has good electrical insulation performance. The meshed ceramic heating sheet can be understood as a heating sheet formed by binding a heating net on a ceramic substrate. The heating element 100 described above can be purchased from the market, and the specific structure and manufacturing method are not described here.

[0049] The use of the heating element 100 with electrical insulation performance helps to eliminate the need for an insulating layer between the heating element 100 and the heat-conducting cup 200, thereby avoiding the safety risks caused by the failure of the insulating layer during use of the heating assembly. In other embodiments, other types of heating elements 100 can also be used as long as they meet the design and use requirements.

[0050] In one embodiment, referring to Figure 1 and Figure 2 The heat-conducting cup 200 includes a side portion 210 and a bottom portion 220. The bottom portion 220 is arranged at one end of the side portion 210, and the bottom portion 220 and the side portion 210 together form a heating cavity 230 with an open end. The heating cavity 230 is used to accommodate and heat at least part of the aerosol substrate 800. The opening can be used for inserting the aerosol substrate 800 into the heating cavity 230. The size and thickness of the side portion 210 and the bottom portion 220 can be set according to design and use requirements. For example, the thickness of the side portion 210 can be set to 0.2-0.8 mm, and the thickness of the bottom portion 220 can be set to 0.2-2 mm. In one embodiment, a protrusion 211 can be arranged on the side of the side portion 210 at the opening of the heating cavity 230, so as to fix the heat-conducting cup 200 by using the protrusion 211. In other embodiments, other fixing structures can also be used to fix the heat-conducting cup 200.

[0051] In some embodiments, the heat-conducting cup 200 can be made of a material with a thermal conductivity of not less than 30 W / (m•K), such as an aluminum alloy, a magnesium alloy, a silver alloy, a copper alloy, or a double-layer metal composite material, so as to improve the heat-conducting efficiency and the heating efficiency of the heating assembly. The double-layer metal composite material can include an inner layer material and an outer layer material, the outer layer material is wrapped on the outer side of the inner layer material, and the thermal conductivity of the outer layer material is lower than that of the inner layer material. The above-mentioned materials can be purchased from the market, and will not be described here.

[0052] In further embodiments, the heat-conducting cup 200 can be made of a material with a thermal conductivity of not less than 100 W / (m•K), such as a 6063 aluminum alloy with a thermal conductivity of about 201 W / (m•K).

[0053] In one embodiment, as shown in Figures 1-4 , the protruding part 300 is arranged on the side of the heat-conducting cup 200 away from the heating cavity 230, and the protruding part 300 encloses to form a mounting cavity 310 for mounting the heating element 100. The protruding part 300 can be arranged on the side part 210, or on the bottom part 220, or part of it is arranged on the side part 210 and the rest is arranged on the bottom part 220; the protruding part 300 can be arranged integrally or assembled in a split manner; in general, the arrangement position and fixing manner of the protruding part 300 are not limited, as long as they can meet the design and use requirements.

[0054] The protruding part 300 has a deformation part for deforming under pressure to form a riveting protrusion 320 for pressing the heating element 100 against the heat-conducting cup 200. By arranging the protruding part 300, the heating element 100 and the heat-conducting cup 200 can be in stress contact through riveting assembly, which helps to improve the heat transfer efficiency of the heating element 100 to the heat-conducting cup 200, and thus improves the heating efficiency of the heating assembly. For example, the deformation part can be arranged at one end of the protruding part 300 away from the heat-conducting cup 200, so as to exert riveting force from the end face. Of course, the deformation part can also be arranged at the middle part of the protruding part 300 in the axial direction of the heat-conducting cup 200 or other positions that can form the riveting protrusion 320 after being pressed, so as to press the heating element 100 against the heat-conducting cup 200. The protruding part 300 can also be made of a material that can deform under pressure as a whole, so as to meet the design and use requirements.

[0055] In one embodiment, as shown in Figure 1 and Figure 2 , the protruding part 300 includes a plurality of riveting pieces, and the riveting pieces are arranged in a spaced manner to form the mounting cavity 310. The spaced arrangement of the riveting pieces helps to disperse stress during the deformation under pressure, improves the formation quality of the riveting protrusion 320, and thus enhances the riveting fixing quality, which helps to further improve the heat transfer efficiency of the heating element 100 to the heat-conducting cup 200.

[0056] Exemplarily, the riveting pieces are arranged at the edges of the wall surface on the side of the bottom 220 away from the side portion 210 and are arranged at intervals along the circumference of the bottom 220, and installation cavities 310 of a size suitable for the heating piece are formed between the riveting pieces. The heating piece is assembled in the installation cavity 310, and the end of the riveting piece away from the bottom 220 is the deformation portion. When the end surface of the riveting piece away from the bottom 220 is pressed, the deformation portion is compressed and deformed to protrude in the direction close to the center of the installation cavity 310 to form a riveting protrusion 320, so as to rivet and fix the heating piece in the installation cavity 310 and make the heating piece and the bottom 220 abut tightly.

[0057] In another embodiment, please refer to Figure 3 and Figure 4 The protruding portion 300 can also include a convex ring, the inner cavity of the convex ring forms the installation cavity 310, and at least two thinned sections 330 are arranged at intervals along the circumference on the convex ring. The riveting section 340 is formed between the adjacent thinned sections 330, and the riveting section 340 has a deformation portion. The thickness and / or axial length of the thinned section 330 is smaller than that of the riveting section 340. By arranging the thinned section 330, the stress is dispersed during the deformation of the riveting section 340 under pressure, which helps to ensure the riveting fixing quality.

[0058] As can be understood by those skilled in the art, after the heating piece 100 is assembled and fixed in the installation cavity 310, a fastening pressure can be applied to the riveting portion of the protruding portion 300 and maintained for a period of time to strengthen the riveting degree, reduce the contact gap at the contact surface between the heating piece 100 and the heat-conducting cup 200, and improve the contact stress between the heating piece 100 and the cavity wall of the installation cavity 310, which is conducive to improving the heat transfer efficiency.

[0059] In some embodiments, the fastening pressure can also be applied to the riveting portion of the protruding portion 300 after the riveting portion of the protruding portion 300 is placed in a temperature field, and then the temperature field and the fastening pressure are removed in sequence after being maintained for a period of time. The temperature range of the temperature field can be 100℃-500℃ or other temperatures lower than the melting point of each component of the heating assembly. The metal material of the heat-conducting cup 200 is subjected to the fastening pressure in the above-mentioned temperature field, which helps the metal material to creep, so as to further reduce and flatten the contact gap at the contact surface between the heating piece 100 and the heat-conducting cup 200, and improve the heat transfer efficiency.

[0060] In further embodiments, please refer to Figure 5 The heating assembly can also include a hoop ring 400, which is hoop-set on the outside of the protruding portion 300 to limit the position of the protruding portion 300, thereby strengthening the riveting degree and enhancing the contact stress at the contact surface between the heating piece 100 and the heat-conducting cup 200, which helps to further improve the heat transfer efficiency of the heating piece 100 to the heat-conducting cup 200.

[0061] Exemplarily, the hoop 400 can adopt a ring-shaped metal hoop belt, which is sleeved and tightly hooped on the outer side of the protruding portion 300 after the heat generating element 100 is fixed, and the material of the hoop 400 can be GH4169 alloy material or other temperature-resistant steel material, so as to stably provide a tightening force in the working state and the non-working state of the heat generating element 100, which helps to ensure the contact stress at the contact surface between the heat generating element 100 and the heat conducting cup 200, so that the heat transfer efficiency of the heat generating element 100 to the heat conducting cup 200 can be maintained stable.

[0062] In an embodiment, referring to Figure 5 A heat transfer layer 500 can also be arranged between the heat generating element 100 and the heat conducting cup 200, and the heat transfer coefficient of the heat transfer layer 500 is greater than that of the heat conducting cup 200, so that the heat generated by the heat generating element 100 can be more conducted to the heat conducting cup 200, thereby improving the heat transfer efficiency. Exemplarily, the heat transfer layer 500 can adopt a sheet material with a heat transfer coefficient not less than 50 W / (m•K), such as graphite, graphite metal composite material, diamond powder metal composite material, or carbon fiber metal composite material.

[0063] In another embodiment, referring to Figure 6 The heat transfer layer 120 can also be plated on the abutting surface of the heat generating element 100 for abutting with the heat conducting cup 200, and the heat transfer coefficient of the heat transfer layer 120 is greater than that of the heat conducting cup 200, so as to improve the heat transfer efficiency of the heat generating element 100 to the heat conducting cup 200. Exemplarily, the material for plating the heat transfer layer 120 can be silver, aluminum, silver-copper alloy, or graphite with a heat transfer coefficient not less than 50 W / (m•K).

[0064] Those skilled in the art can understand that in other embodiments, the heat transfer layer 120 can also be plated on the heat generating element 100 while the heat transfer layer 500 is arranged between the heat generating element 100 and the heat conducting cup 200 according to the needs. In addition, the materials for the heat transfer layer 120 and the heat transfer layer 500 can be purchased from the market, and the specific material ratio and manufacturing method are not described here.

[0065] In one embodiment, in order to improve the heating quality of the aerosol substrate 800, an air passage can be arranged on the cavity wall of the heating cavity 230, the air passage is in communication with the opening of the heating cavity 230, and the air passage is used for the airflow outside the heat-conducting cup 200 to flow into the heating cavity 230 and enter the aerosol substrate 800 contained in the heating cavity 230. The heat-conducting cup 200 can heat the airflow in the air passage to generate a hot airflow, and the aerosol substrate 800 is heated by the hot airflow, which helps to improve the heating efficiency and heating uniformity. Those skilled in the art can understand that the arrangement of the air passage is not limited, and any arrangement that meets the design and use requirements can be used, for example, air guide grooves that are in communication with each other can be arranged on the side wall and the bottom wall of the heating cavity 230 to form the air passage, or protrusions can be arranged on the side wall and the bottom wall of the heating cavity 230, and the gaps between the protrusions form the air passage.

[0066] Embodiments of the heating non-combustion device in the present application:

[0067] In one embodiment, please refer to Figure 7 The heating non-combustion device includes a shell 600, a heating assembly, and an energy supply assembly 700. The heating assembly is arranged in the shell 600, and the heating assembly is any one of the above-mentioned embodiments. The energy supply assembly 700 is used to supply energy to the heating element 100, and the energy supply assembly 700 can also be arranged in the shell 600.

[0068] Those skilled in the art can understand that the energy supply assembly 700 can be understood as a collection of battery cells or battery cells and related components such as circuit boards, for supplying power to the heating element 100. In some embodiments, the energy supply assembly 700 can also be used to control the heating power of the heating element 100, or to support other functions of the heating non-combustion device, such as displaying the use state information of the heating non-combustion device.

[0069] In one embodiment, please refer to Figure 7 The shell 600 is provided with a substrate socket 610, and the shell 600 is provided with a mounting assembly 620 corresponding to the substrate socket 610. The mounting assembly 620 can be understood as a collection of parts or related parts for mounting and fixing the heating assembly. The mounting assembly 620 has a mounting cavity 310 in communication with the substrate socket 610, for mounting the heating assembly. When the heating assembly is mounted in the mounting cavity 310, the outer side of the heating assembly has an isolation space 621, which can form an air insulation layer around the heating assembly, which helps to reduce heat loss when the heating assembly is heated, and improves the heating efficiency.

[0070] The above application uses specific examples to illustrate the present application, which is only used to help understand the present application and does not limit the present application. For those skilled in the art to which the present application belongs, according to the idea of the present application, a number of simple deductions, deformations or substitutions can be made.

Claims

1. A heat generating component, characterized by The heating assembly comprises: a heating element; a heat-conducting cup, which comprises a side portion and a bottom portion arranged at one end of the side portion, the bottom portion and the side portion enclosing a heating cavity with an open end, the heating cavity being used for accommodating and heating at least part of aerosol substrate; and a protruding portion arranged on a side of the heat-conducting cup away from the heating cavity, the protruding portion enclosing a mounting cavity for mounting the heating element; the protruding portion has a deformation portion for being deformed under pressure to form a riveting protrusion, the riveting protrusion being used for pressing the heating element against the heat-conducting cup.

2. The heat generating component of claim 1, wherein, The protruding portion comprises a plurality of riveting pieces that are spaced apart to form the mounting cavity.

3. The heat generating component of claim 1, wherein, The protruding portion comprises a convex ring, an inner cavity of the convex ring forming the mounting cavity, at least two thinned segments being arranged on the convex ring in a circumferential direction, a riveting segment being formed between adjacent thinned segments, the riveting segment having the deformation portion, and the thinned segments having a thickness and / or an axial length smaller than the riveting segment.

4. The heat generating assembly of any one of claims 1 to 3, wherein, The heat-conducting cup is made of a material with a thermal conductivity not less than 30 W / (m·K).

5. The heat generating component of any one of claims 1 to 3, wherein, The heating element comprises one of a high-temperature co-fired ceramic heating sheet, a stainless steel thick-film heating sheet, a ceramic thick-film heating sheet, and a bound net type ceramic heating sheet.

6. The heat generating component of any one of claims 1 to 3, wherein, A heat-conducting layer is plated on an abutting surface of the heating element and the heat-conducting cup; and / or, a heat transfer layer is arranged between the heating element and the heat-conducting cup. The heat-conducting layer and the heat transfer layer have a thermal conductivity not less than 50 W / (m·K).

7. The heat generating component of claim 6, wherein, The heat-conducting layer is made of silver, aluminum, silver-copper alloy, or graphite. The heat transfer layer is made of graphite, graphite-metal composite material, diamond powder-metal composite material, or carbon fiber-metal composite material.

8. The heat generating component of any one of claims 1 to 3, wherein, The heating assembly further comprises a hoop ring arranged on an outer side of the protruding portion.

9. The heat generating component of any one of claims 1 to 3, wherein, An air passage is arranged on a cavity wall of the heating cavity, the air passage being in communication with the opening of the heating cavity, and the air passage being used for allowing airflow outside the heat-conducting cup to flow into the heating cavity and enter the aerosol substrate accommodated in the heating cavity.

10. A heat-not-burn device, characterized in that The heating assembly comprises: a housing; a heating assembly arranged in the housing, the heating assembly being any one of the heating assemblies according to claims 1-9; and a power supply assembly for supplying power to the heating element.

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