WO2022011969A1 - 发热模组及发烟设备 - Google Patents

发热模组及发烟设备 Download PDF

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Publication number
WO2022011969A1
WO2022011969A1 PCT/CN2020/137715 CN2020137715W WO2022011969A1 WO 2022011969 A1 WO2022011969 A1 WO 2022011969A1 CN 2020137715 W CN2020137715 W CN 2020137715W WO 2022011969 A1 WO2022011969 A1 WO 2022011969A1
Authority
WO
WIPO (PCT)
Prior art keywords
heating
groove
segment
supporting member
module according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/137715
Other languages
English (en)
French (fr)
Inventor
晏华斌
邓志良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou Pegasus Technology Co Ltd
Original Assignee
Huizhou Pegasus Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huizhou Pegasus Technology Co Ltd filed Critical Huizhou Pegasus Technology Co Ltd
Priority to US17/616,659 priority Critical patent/US20230130948A1/en
Priority to JP2021550136A priority patent/JP7235883B2/ja
Priority to KR1020217040353A priority patent/KR102661729B1/ko
Priority to EP20945449.5A priority patent/EP4183277A4/en
Publication of WO2022011969A1 publication Critical patent/WO2022011969A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/46—Heating elements having the shape of rods or tubes non-flexible heating conductor mounted on insulating base
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/0288—Applications for non specified applications
    • H05B1/0291—Tubular elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/04—Waterproof or air-tight seals for heaters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater non-flexible
    • H05B3/26—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • H05B3/265—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base the insulating base being an inorganic material, e.g. ceramic
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the present application relates to a technology of smoking equipment, in particular to a heating module and a smoking equipment.
  • the existing heating module generally includes a casing and a heating wire arranged in the casing.
  • the heating element of this structure is relatively simple, the heating element of this structure generates unevenly during use, resulting in poor quality of the heated product.
  • Embodiments of the present application provide a heating module and a smoking device to solve the technical problem of uneven heating during use of the existing heating module.
  • the embodiment of the present application provides a heating module, which includes:
  • the heating assembly includes a supporting member and a heating wire, at least part of the heating wire is disposed on the supporting member;
  • the outer surface of the supporting member is provided with a groove, and the heating wire includes a heating body, and the heating body is wound in the groove.
  • the supporting component includes a supporting body and an insulating layer, and the insulating layer is disposed on the outer surface of the supporting body.
  • the thermal conductivity of the supporting body is greater than or equal to 80 W/m ⁇ K.
  • the supporting body and the insulating layer are made of an integrally formed insulating material.
  • the material of the supporting body is metal
  • the material of the insulating layer includes metal oxide formed on the supporting body.
  • the material of the supporting body is aluminum, and the material of the insulating layer includes zirconia formed on the supporting body.
  • the material of the supporting body is one of gold, silver, copper, iron, aluminum or alloy
  • the material of the insulating layer includes alumina ceramics, zirconia one of the.
  • the heating module further includes thermally conductive adhesive, and the thermally conductive adhesive is filled between the heating component and the housing.
  • the thermally conductive adhesive is selected from inorganic adhesives of ceramics or glass enamel.
  • the heating wire further includes a pin and a conductive layer, the pin is connected to the heating main body, and the conductive layer covers the outer periphery of the pin; the The resistivity of the conductive layer is lower than the resistivity of the pins.
  • the pins and the heating body are made of the same material, and the two are integrally formed.
  • the materials of the pins and the heating body are different, and the resistivity of the pins is lower than that of the heating wire.
  • the material of the conductive layer is selected from one or a combination of at least two of silver, copper and gold.
  • the groove includes a first groove, a second groove and a third groove, and the second groove is connected to one end of the first groove, the third groove is connected to the other end of the first groove;
  • the first groove is arranged on the top of the supporting member, the second groove and the third groove are respectively wound from the top of the supporting member to the bottom of the supporting member, so the second groove and the third groove are arranged at intervals;
  • the heating body includes a first heating segment, a second heating segment and a third heating segment, the second heating segment is connected to one end of the first heating segment, and the third heating segment is connected to the first heating segment. connected to the other end;
  • the first heating segment is arranged in the first groove
  • the second heating segment is arranged in the second groove
  • the third heating segment is arranged in the third groove.
  • the first groove is arranged at a centerline position of the top of the supporting member.
  • the support member has a through hole penetrating the support member, and the depth direction of the through hole is the extension direction of the support member;
  • the peripheral wall of the supporting member is provided with the thread-shaped groove, the heating body is wound in the groove, and a pin of the heating wire is connected to one end of the heating body and extends into the groove.
  • the through hole extends out of the supporting member; the other pin of the heating wire is connected to the other end of the heating main body and also extends beyond the supporting member.
  • a first groove and a second groove are provided on the peripheral side of the supporting member, and the first groove and the second groove are respectively formed from the supporting member.
  • the top of the support member is wound around the bottom of the support member, and the first groove and the second groove are arranged at intervals;
  • the heating body includes a first heating segment, a second heating segment and a third heating segment, the second heating segment is connected to one end of the first heating segment, and the third heating segment is connected to the first heating segment. connected to the other end;
  • the first heating segment is protruded on the top of the supporting member, the second heating segment is arranged in the first groove, and the third heating segment is arranged in the second groove.
  • the present application also relates to a smoking device including the heating module of the above embodiment.
  • the smoking device of the embodiment of the present application includes a heating module, and the heating module includes:
  • the heating assembly includes a supporting member and a heating wire, at least part of the heating wire is disposed on the supporting member;
  • the outer surface of the supporting member is provided with a groove, and the heating wire includes a heating body, and the heating body is wound in the groove.
  • the supporting member includes a supporting body and an insulating layer, and the insulating layer is provided on an outer surface of the supporting body.
  • the thermal conductivity of the supporting body is greater than or equal to 80 W/m ⁇ K.
  • the material of the supporting body is metal
  • the material of the insulating layer includes metal oxide formed on the supporting body.
  • the heating wire is arranged on the supporting member to form a heating component, and the heating component is used as a heating source to heat the casing, thereby improving the overall heating uniformity of the heating module.
  • the thermally conductive adhesive fills the gap between the heating module and the casing, so that the heating module transmits heat to the casing evenly, thereby improving the overall heating uniformity of the heating module.
  • FIG. 1 is a schematic structural diagram of a heating module according to an embodiment of the application.
  • FIG. 2 is a schematic cross-sectional structural diagram of a heating module according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of an explosion structure of a heating module according to an embodiment of the application.
  • FIG. 4 is a schematic structural diagram of a housing of a heating module according to an embodiment of the application.
  • FIG. 5 is a schematic structural diagram of a heating assembly of a heating module according to an embodiment of the application.
  • FIG. 6 is a schematic diagram of an exploded structure of a heating component of a heating module according to an embodiment of the application.
  • FIG. 7 is a schematic cross-sectional structural diagram of a support member of a heating module according to an embodiment of the application.
  • FIG. 8 is a heating effect diagram of a heating module of the background technology
  • 9-a is a schematic diagram of the temperature of the supporting member in the heating effect diagram of the heating module according to the embodiment of the application;
  • 9-b is a schematic diagram of the temperature of the outer casing in the heating effect diagram of the heating module according to the embodiment of the application;
  • FIG. 10 is an exploded schematic diagram of another structure of the heating assembly of the heating module according to the embodiment of the application;
  • FIG. 11 is an exploded schematic diagram of another structure of the heating assembly of the heating module according to the embodiment of the application.
  • 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.
  • 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 a mechanical connection, an 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.
  • installed 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 a mechanical connection, an 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.
  • 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.
  • 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.
  • FIG. 1 is a schematic structural diagram of a heating module according to an embodiment of the application
  • FIG. 2 is a cross-sectional structural schematic diagram of a heating module according to an embodiment of the application
  • FIG. 3 is a heating module according to an embodiment of the application. Schematic diagram of the explosion structure of the group.
  • This embodiment provides a heating module 100, which includes a heating component 10a, a housing 10b, a thermally conductive adhesive 10c, and a fixing member 10d.
  • the heating assembly 10a includes a supporting part 11 and a heating wire 12 . At least part of the heating wire 12 is disposed on the supporting member 11 .
  • the casing 10b is sleeved on the outer peripheral side of the heating element 10a.
  • the thermally conductive adhesive 10c is filled between the heating element 10a and the housing 10b.
  • the housing 10b is plug-fitted with the fixing member 10d.
  • the fixing member 10d is used for fixing the housing 10b mounted with the heating element 10a and the thermally conductive glue 10c inside the smoking device.
  • Smoking devices can be electronic cigarettes or non-electronic cigarettes. This embodiment is described by taking the electronic cigarette as an example, but it is not limited to this.
  • the heating wire 12 is disposed on the supporting member 11 to form the heating component 10a, and the heating component 10a is used as the heating source to heat the housing 10b, thereby improving the overall heating uniformity of the heating module 100
  • the gap between the heating module 10a and the casing 10b is filled with the thermally conductive adhesive 10c, so that the heating module 10a evenly transfers heat to the casing 10b, thereby improving the overall heating uniformity of the heating module 100.
  • the thermally conductive adhesive 10c is selected from inorganic adhesives of ceramic type or glass enamel type.
  • the inorganic glue fills the gap between the heating element 10a and the housing 10c.
  • the thermally conductive adhesive 10c quickly conducts the heat emitted by the heating element 10a to the housing 10c, avoiding the problems of low thermal conductivity and poor thermal conductivity caused by air conduction, and at the same time, it can also prevent water and oxygen from entering the interior of the heating module 100 to corrode heating wire 12.
  • the thermally conductive adhesive 10c needs to be a high temperature resistant inorganic adhesive.
  • the thermally conductive adhesive 10c is filled by a vacuum defoaming process, or by a vibration method, or a combination of the above two methods, so that there are no air bubbles in the thermally conductive adhesive 10c, thereby improving the thermal conductivity.
  • the material of the casing 10b includes but is not limited to ceramic materials.
  • the housing 10b includes a cone portion 141, a cylindrical portion 142 and a base 143 which are connected in sequence.
  • the cylindrical portion 142 adopts a transitional connection between the circular arc structure and the base 143 .
  • the housing 10 is an integral molding structure, which improves the stability of the housing 10 .
  • the housing 10b includes a flattened blade portion and a base connected to the blade portion.
  • the housing 10b may also have other structures, which will not be repeated here.
  • a groove 13 is formed on the outer surface of the supporting member 11 , and a part of the heating wire 12 is arranged in the groove 13 .
  • a groove 13 is provided on the outer surface of the supporting member 11, and the heating wire 12 is arranged in the groove 13. On the one hand, it functions to limit the heating wire 12 to prevent the heating wire from moving during the installation process; On the one hand, the shape of the groove 13 matches the shape of the heating wire 12 and fits each other, so as to increase the contact area between the heating wire 12 and the supporting member 11, thereby improving the heating efficiency of the supporting member 11;
  • the groove 13 plays a guiding role, that is, an automatic winding machine is used to wind the wire of the heating wire 12 along the groove 13 and wind it in the groove 13, which is simple and fast, and improves the process efficiency; At the same time, a short circuit between the windings of the heating wire 12 is avoided.
  • the supporting member 11 may be in a quasi-cylindrical shape; specifically, the top part is in the shape of a truncated cone, and the bottom part is in the shape of a cylinder, but it is not limited thereto.
  • the area of the support member 11 increases; Therefore, this arrangement can further prevent the heating wire 12 from moving in the direction of the bottom of the supporting member 11 , that is, prevent the heating wire 12 from moving.
  • the supporting member 11 includes a supporting body 111 and an insulating layer 112 .
  • the insulating layer 112 is disposed on the outer surface of the supporting body 111 .
  • the insulating layer 112 is provided to prevent the heating wire 12 from being short-circuited.
  • the insulating layer 112 and the supporting body 111 are made of different materials.
  • the materials of the insulating layer 112 and the supporting body 111 may also be the same.
  • the supporting body 111 and the insulating layer 112 are made of an integrally formed insulating material, such as ceramics.
  • the thermal conductivity of the supporting body 111 is greater than or equal to 60 W/m ⁇ K (W/m ⁇ degree).
  • the supporting body 111 is made of a material with high thermal conductivity, so that the heat generated by the heating wire 12 can be quickly and uniformly transferred to the supporting member 11, so that the heating component 10a can generate heat quickly and uniformly as a whole, and evenly pass through the thermally conductive adhesive 10c. It is transmitted to the casing 10b, and finally the temperature of each part of the casing 10b is made uniform.
  • the thermal conductivity of the supporting body 111 is greater than or equal to 80 W/m ⁇ K (W/m ⁇ degree), so as to further improve the overall heating uniformity of the heating component 10a.
  • the thermal conductivity of the supporting body 111 may be 90 W/m ⁇ K, 100 W/m ⁇ K, 110 W/m ⁇ K, or 120 W/m ⁇ K, and the like.
  • the material of the supporting body 111 is metal, but not limited to metal, such as SIC (silicon carbide), graphene and other materials.
  • the material of the insulating layer 112 includes metal oxides formed on the supporting body, but is not limited to metal oxides, such as high temperature resistant inorganic materials.
  • the material of the supporting body 111 is one of gold, silver, copper, iron, aluminum or alloy.
  • the material of the insulating layer 112 includes one of alumina ceramics and zirconia.
  • the material of the supporting body 111 is aluminum, and the material of the insulating layer 112 includes zirconia formed on the supporting body 111 . That is, anodizing insulating treatment is performed on the surface of the supporting body 111 to form a dense zirconia thin film layer (insulating layer 112 ).
  • the compactness of the zirconia film has high hardness and the effect of preventing the passage of current, which prevents the winding of the heating wire 12 from short-circuiting;
  • the aluminum supporting body 111 has high thermal conductivity, It is convenient for the rapid transfer of heat; furthermore, the insulating layer 112 is formed by directly oxidizing the surface of the aluminum supporting body 111, which improves the preparation efficiency.
  • the supporting body 111 may also be made of other materials, which will not be repeated here.
  • the heating wire 12 includes a heating main body 121 , pins 122 and a conductive layer 123 , and the pins 122 are connected to the heating main body 121 .
  • the conductive layer 123 covers the outer periphery of the lead 122 .
  • the heating body 121 is wound around the outer surface of the supporting member 11 and is arranged in the groove 13 .
  • the heating main body 121 is arranged in the groove 13 in a winding manner, which increases the contact area between the heating main body 121 and the supporting member 11 , and further improves the heating efficiency of the supporting member 11 .
  • the heating body 121 is wound on the supporting member 11 in a thread shape, so as to improve the uniformity of the heating of the heating module 10a.
  • the heating body 121 is evenly wound on the supporting member 11 to improve the uniformity of the heating of the heating module 10a; of course, the heating body 121 can also be wound on the supporting member 11 non-uniformly.
  • the resistivity of the conductive layer 123 is lower than the resistivity of the lead 122 .
  • PWM pulse width modulation
  • the TCR temperature control is to detect the resistance of the integral part of the heating wire (pin segment + heating main body 121), the resistance of the pin segment is reduced, thereby increasing the resistance ratio of the heating main body 121, which can make the temperature control more accurate and efficient. Reflect the actual condition of the heating wire.
  • the material of the conductive layer 123 is selected from one or a combination of at least two of silver, copper and gold, but is not limited thereto.
  • the conductive layer 123 may be formed on the pins 122 by means of electroplating, evaporation or atomic deposition.
  • the materials of the heating body 121 and the pins 122 in this embodiment are different.
  • the resistivity of the pin 122 is lower than that of the heat generating body 121 .
  • the heating body 121 and the pins 122 are welded and installed.
  • the heating body 121 and the pins 122 can also be integrally formed with the same material, which can be nickel, iron-nickel alloy or other conductive materials.
  • the groove 13 includes a first groove 131 , a second groove 132 and a third groove 133 .
  • the second groove 132 is connected to one end of the first groove 131
  • the third groove 133 is connected to the other end of the first groove 131 .
  • the first groove 131 is provided on the top of the supporting member 11 .
  • the second groove 132 and the third groove 133 are respectively wound from the top of the supporting member 11 to the bottom of the supporting member 11 .
  • the second trench 132 and the third trench 133 are spaced apart.
  • the heating body 121 includes a first heating segment 1211 , a second heating segment 1212 and a third heating segment 1213 .
  • the second heating segment 1212 is connected to one end of the first heating segment 1211
  • the third heating segment 1213 is connected to the other end of the first heating segment 1211 .
  • the first heating segment 1211 is disposed in the first groove 131 .
  • the second heating segment 1212 is disposed in the second groove 132 .
  • the third heating segment 1213 is disposed in the third groove 133 .
  • a first groove 131 is arranged on the top of the supporting member 11, and the first heating segment 1211 of the heating body 121 is arranged in the first groove 131, so as to locate the specific position of the heating wire 12, that is, to generate heat During the assembly process of the assembly 10a, the heating wire 12 is prevented from being displaced on the horizontal plane.
  • the first groove 131 is disposed at the midline position of the top of the support member 11 to limit the heating wire 12 to the center of the support member 11 to improve the heating uniformity of the heating element 10a.
  • the center line is a line that divides the supporting member 11 into two equal parts.
  • the supporting member 11 is cylindrical and its top surface is circular, so the diameter connecting the top surface is If the support member 11 is prism-shaped and its top surface is rectangular, the center line or diagonal line of the top surface is the center line.
  • the heating wire main body 121 is wound in the groove 13 of the supporting member 11, and the casing 10b and the heating component 10a are filled with the thermally conductive adhesive 10c, thereby improving the heating module. 100 heat uniformity.
  • FIG. 8 is a heating effect diagram of a heating module in the background art. It can be seen from FIG. 8 that the minimum temperature difference between any two places inside the heating module of the prior art is 12.92 degrees Celsius (°C), and the maximum temperature difference is 148.75 degrees Celsius (°C), that is, the heating module is not uniform in heating.
  • the heating module 100 of this embodiment please refer to FIG. 9-a and FIG. 9-b.
  • the maximum temperature difference between any two places on the support member 11 of the heating module 100 is 2.65 degrees Celsius (°C); in FIG. 9-b, the maximum temperature difference between any two places on the outer shell 10b of the heating module 100 is 1.87 degrees Celsius (°C); therefore, compared with FIG. 8 , the heating effect of the heating module 100 is significantly more uniform.
  • FIG. 8 , FIG. 9-a and FIG. 9-b are the effect diagrams of testing in the same experimental environment.
  • the difference between the heating element 20a and the heating element 10a of this embodiment is that the top of the supporting member 21 is not provided with a groove. That is, the first groove 231 and the second groove 232 are provided on the peripheral side of the receiving member 21 . The first groove 231 and the second groove 232 are respectively wound from the top of the supporting member 21 to the bottom of the supporting member 21 . The first trenches 231 and the second trenches 232 are spaced apart.
  • the heating wire 22 includes a heating body 221 , pins 222 connected to the heating body 221 , and a conductive layer (shown in the figure) covering the pins 222 .
  • the heating body 221 includes a first heating segment 2211 , a second heating segment 2212 and a third heating segment 2213 .
  • the second heating segment 2212 is connected to one end of the first heating segment 2211
  • the third heating segment 1213 is connected to the other end of the first heating segment 2211 .
  • the first heating segment 2211 is protruded on the top of the supporting member 21 .
  • the second heating segment 2212 is disposed in the first groove 231 .
  • the third heating segment 2213 is disposed in the second groove 232 .
  • the winding method of the heating wire 12 can also be different from other methods in the above-mentioned embodiments, such as a single-thread winding method different from the above-mentioned double-thread winding method.
  • the heating element 30 a includes a supporting member 31 and a heating wire 32 wound on the supporting member 31 .
  • the heating wire 32 includes a heating body 321 , pins 322 connected to the heating body 321 , and a conductive layer (shown in the figure) covering the pins 322 .
  • the support member 31 has a through hole 311 penetrating the support member 31 , and the depth direction of the through hole 311 is the extension direction of the support member 31 .
  • the peripheral wall of the receiving member 31 is provided with a threaded groove 33 .
  • the heat generating body 321 is wound in the groove 33 .
  • a pin 322 of the heating wire 32 is connected to one end of the heating main body 321, and extends into the through hole 311 and extends out of the supporting member 31; the other pin 322 of the heating wire 32 is connected to the other end of the heating main body 321, also beyond the support member 31 .
  • the present application also relates to a smoking device including the heating module of any of the above embodiments.
  • the heating wire is arranged on the supporting member to form a heating component, and the heating component is used as a heating source to heat the casing, so as to improve the overall heating uniformity of the heating module.
  • the thermally conductive adhesive fills the gap between the heating module and the casing, so that the heating module transmits heat to the casing evenly, thereby improving the overall heating uniformity of the heating module.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Resistance Heating (AREA)

Abstract

本申请提供一种发热模组及发烟设备，在发热模组中，加热组件包括一承托部件和发热丝，发热丝的至少部分设置在承托部件上；外壳套设在所述加热组件的外周侧；所述承托部件的外表面设置有沟槽，所述发热丝包括发热主体，所述发热主体缠绕在所述沟槽内。

Description

发热模组及发烟设备 技术领域
本申请涉及一种发烟设备技术，特别涉及一种发热模组及发烟设备。
 背景技术
现有的发热模组一般包括外壳和设置在外壳内的发热丝。虽然该结构的发热组件较为简单，但是该结构的发热组件在使用过程中发热不均匀，导致被加热品的品质较差。
 技术问题
本申请实施例提供一种发热模组及发烟设备，以解决现有的发热模组的在使用的过程中发热不均匀的技术问题。
 技术解决方案
本申请实施例提供一种发热模组，其包括：
加热组件，所述加热组件包括一承托部件和发热丝，所述发热丝的至少部分设置在所述承托部件上；以及
外壳，所述外壳套设在所述加热组件的外周侧；
所述承托部件的外表面设置有沟槽，所述发热丝包括发热主体，所述发热主体缠绕在所述沟槽内。
在本申请实施例所述的发热模组中，所述承托部件包括承托主体和绝缘层，所述绝缘层设置于所述承托主体的外表面。
在本申请实施例所述的发热模组中，所述承托主体的导热系数大于或等于 80 W/m·K。
在本申请实施例所述的发热模组中，所述承托主体和所述绝缘层为一体成型的绝缘材料制成。
在本申请实施例所述的发热模组中，所述承托主体的材质为金属，所述绝缘层的材质包括形成在所述承托主体上的金属氧化物。
在本申请实施例所述的发热模组中，所述承托主体的材质为铝，所述绝缘层的材质包括形成在所述承托主体上的氧化锆。
在本申请实施例所述的发热模组中，所述承托主体的材质为金、银、铜、铁、铝或合金中的一种，所述绝缘层的材质包括氧化铝陶瓷、氧化锆中的一种。
在本申请实施例所述的发热模组中，发热模组还包括导热胶，所述导热胶填充在所述加热组件和所述外壳之间。
在本申请实施例所述的发热模组中，所述导热胶选自陶瓷类或玻璃釉质类的无机胶。
在本申请实施例所述的发热模组中，所述发热丝还包括引脚和导电层，所述引脚与所述发热主体相连，所述导电层覆盖在所述引脚的外周；所述导电层的电阻率低于所述引脚的电阻率。
在本申请实施例所述的发热模组中，所述引脚与所述发热主体的材质相同，且二者一体成型。
在本申请实施例所述的发热模组中，所述引脚与所述发热主体的材质不同，所述引脚的电阻率低于所述发热丝的电阻率。
在本申请实施例所述的发热模组中，所述导电层的材质选自银、铜和金中的一种或至少两种的组合。
在本申请实施例所述的发热模组中，所述沟槽包括第一沟槽、第二沟槽和第三沟槽，所述第二沟槽与所述第一沟槽的一端相连，所述第三沟槽与所述第一沟槽的另一端相连；
所述第一沟槽设置在所述承托部件的顶部，所述第二沟槽和所述第三沟槽分别自所述承托部件的顶部向所述承托部件的底部缠绕设置，所述第二沟槽和所述第三沟槽间隔设置；
所述发热主体包括第一发热段、第二发热段和第三发热段，所述第二发热段与所述第一发热段的一端相连，所述第三发热段与所述第一发热段的另一端相连；
所述第一发热段设置在所述第一沟槽内，所述第二发热段设置在所述第二沟槽内，所述第三发热段设置在所述第三沟槽内。
在本申请实施例所述的发热模组中，所述第一沟槽设置在所述承托部件顶部的中线位置。
在本申请实施例所述的发热模组中，所述承托部件具有一贯穿所述承托部件的通孔，所述通孔的深度方向为所述承托部件的延伸方向；
所述承托部件的周壁设置有螺纹状的所述沟槽，所述发热主体缠绕在所述沟槽内，所述发热丝的一引脚连接于所述发热主体的一端，且延伸入所述通孔并伸出所述承托部件；所述发热丝的另一所述引脚连接于所述发热主体另一端，也超出所述承托部件。
在本申请实施例所述的发热模组中，承所述托部件的周侧设置第一沟槽和第二沟槽，所述第一沟槽和所述第二沟槽分别自所述承托部件的顶部向所述承托部件的底部缠绕设置，所述第一沟槽和所述第二沟槽间隔设置；
所述发热主体包括第一发热段、第二发热段和第三发热段，所述第二发热段与所述第一发热段的一端相连，所述第三发热段与所述第一发热段的另一端相连；
所述第一发热段凸设在承托部件的顶部上，所述第二发热段设置在所述第一沟槽内，所述第三发热段设置在所述第二沟槽内。
本申请还涉及一种发烟设备，该发烟设备包括上述实施例的发热模组。
比如，本申请实施例的发烟设备，其包括一种发热模组，所述发热模组包括：
加热组件，所述加热组件包括一承托部件和发热丝，所述发热丝的至少部分设置在所述承托部件上；以及
外壳，所述外壳套设在所述加热组件的外周侧；
所述承托部件的外表面设置有沟槽，所述发热丝包括发热主体，所述发热主体缠绕在所述沟槽内。
在本申请实施例的发烟设备中，所述承托部件包括承托主体和绝缘层，所述绝缘层设置于所述承托主体的外表面。
在本申请实施例的发烟设备中，所述承托主体的导热系数大于或等于 80 W/m·K。
在本申请实施例的发烟设备中，所述承托主体的材质为金属，所述绝缘层的材质包括形成在所述承托主体上的金属氧化物。
 有益效果
本申请的发热模组及发烟设备通过将发热丝设置在承托部件上形成发热组件，并以发热组件为发热源对外壳进行加热，提高了发热模组整体的发热均匀性，另外，采用导热胶填充发热模组和外壳之间的缝隙，使得发热模组均匀地向外壳传递热量，进而提高了发热模组整体的发热均匀性。
 附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面对实施例中所需要使用的附图作简单的介绍。下面描述中的附图仅为本申请的部分实施例，对于本领域普通技术人员而言，在不付出创造性劳动的前提下，还可以根据这些附图获取其他的附图。
图1为本申请实施例的发热模组的结构示意图；
图2为本申请实施例的发热模组的剖视结构示意图；
图3为本申请实施例的发热模组的爆炸结构示意图；
图4为本申请实施例的发热模组的外壳的结构示意图；
图5为本申请实施例的发热模组的加热组件的结构示意图；
图6为本申请实施例的发热模组的发热组件的爆炸结构示意图；
图7为本申请实施例的发热模组的承托部件的剖视结构示意图；
图8为背景技术的发热模组的发热效果图；
图9-a为本申请实施例的发热模组的发热效果图中承托部件的温度示意图；
图9-b为本申请实施例的发热模组的发热效果图中外壳的温度示意图；
图10为本申请实施例的发热模组的加热组件另一结构的爆炸示意图；
图11为本申请实施例的发热模组的加热组件又一结构的爆炸示意图。
标识说明：图8-图9-b中，+：表示对应发热模组中的位置；P0-P13：表示序号。
 本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
下文的公开提供了许多不同的实施方式或例子用来实现本申请的不同结构。为了简化本申请的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本申请。此外，本申请可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本申请提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
请参照图1至图3，图1为本申请实施例的发热模组的结构示意图；图2为本申请实施例的发热模组的剖视结构示意图；图3为本申请实施例的发热模组的爆炸结构示意图。
本实施例提供一种发热模组100，其包括加热组件10a、外壳10b、导热胶10c和固定件10d。
所述加热组件10a包括一承托部件11和发热丝12。所述发热丝12的至少部分设置在所述承托部件11上。
所述外壳10b套设在所述加热组件10a的外周侧。所述导热胶10c填充在所述加热组件10a和所述外壳10b之间。
外壳10b与固定件10d插接配合。固定件10d用于将安装有加热组件10a和导热胶10c的外壳10b固定在发烟设备内部。发烟设备可以是电子烟，也可以是非电子烟。本实施例以用于电子烟为例进行说明，但并不限于此。
本实施例的发热模组100通过将发热丝12设置在承托部件11上形成发热组件10a，并以发热组件10a为发热源对外壳10b进行加热，提高了发热模组100整体的发热均匀性；另外，采用导热胶10c填充发热模组10a和外壳10b之间的缝隙，使得发热模组10a均匀地向外壳10b传递热量，进而提高了发热模组100整体的发热均匀性。
在本申请实施例所述的发热模组100中，所述导热胶10c选自陶瓷类或玻璃釉质类的无机胶。无机胶填充发热组件10a和外壳10c之间的间隙。导热胶10c将发热组件10a所发出的热量快速传导至外壳10c，避免了经过空气传导所引起的导热速率低和导热均匀性差的问题，同时，还可以避免水氧进入发热模组100的内部侵蚀发热丝12。
当本实施例的发热模组100应用于发烟设备时，导热胶10c需为耐高温的无机胶。
另外，导热胶10c采用真空脱泡工艺进行填充，或采用振动方式进行填充，也可上述两种方式结合，以使导热胶10c内没有气泡，从而提高导热效果。
请参照图4，在所述外壳10b中，外壳10b的材质包括但不限于陶瓷材料。外壳10b包括依次相连的锥体部141、圆柱体部142和底座143。圆柱体部142采用圆弧结构与底座143的过渡连接。外壳10为一体成型结构，提高了外壳10的稳定性。
在一些实施例中，外壳10b包括偏平状的剑体部和与所述剑体部相连的底座。当然外壳10b也可以是其他结构，此处不再赘述。
请参照图5和图6，在所述发热组件10a中，所述承托部件11的外表面设置有沟槽13，所述发热丝12的部分设置在所述沟槽13内。
在承托部件11的外表面设置沟槽13，并将发热丝12设置在沟槽13中，一方面，起到限位发热丝12的作用，避免发热丝在安装过程中发生移动；另一方面，沟槽13的形状与发热丝12的形状相匹配且相互贴合，以增加发热丝12与承托部件11的接触面积，进而提高承托部件11的发热效率；再者，在发热组件10a的组装过程中，沟槽13起到导向的作用，即采用自动绕线机将发热丝12的线材沿着沟槽13并缠绕在沟槽13内即可，简单快捷，提高了制程效率；同时避免发热丝12绕组间发生短路。
可选的，承托部件11可以为类圆柱状；具体的，顶部为圆台状，下部为圆柱状，但并不限于此。比如承托部件11中自所述承托部件11的顶部向所述承托部件11的底部的方向上，所述承托部件11的面积递增；例如圆台状，由于发热组件10a是插设在外壳10b内的，因此这样的设置可以进一步防止发热丝12向承托部件11底部的方向移动，即避免发热丝12发生移动。
在本实施例所述的发热模组100中，请参照图7，所述承托部件11包括承托主体111和绝缘层112。所述绝缘层112设置于所述承托主体111的外表面。绝缘层112的设置避免发热丝12发生短路。
在本实施例中，绝缘层112与承托主体111的材料不同。
在一些实施例中，绝缘层112与承托主体111的材料也可以相同。具体的承托主体111和绝缘层112为一体成型的绝缘材料制成，比如陶瓷。
可选的，所述承托主体111的导热系数大于或等于 60 W/m·K（瓦/米·度）。将承托主体111采用高导热系数的材料，以使发热丝12产生的热量快速、均匀的传递至承托部件11，进而使得发热组件10a整体快速且均匀的发热，并均匀的通过导热胶10c传递给外壳10b，最终使外壳10b各部分温度一致。
优选的，承托主体111的导热系数大于或等于 80 W/m·K（瓦/米·度），以进一步提高发热组件10a整体发热的均匀性。比如承托主体111的导热系数可以是90W/m·K、100W/m·K、110W/m·K或120W/m·K等。
可选的，所述承托主体111的材质为金属，但不限于金属，比如SIC（碳化硅）、石墨烯等材料。所述绝缘层112的材质包括形成在所述承托主体上的金属氧化物，但不限于金属氧化物，比如耐高温的无机材料等。
进一步的，所述承托主体111的材质为金、银、铜、铁、铝或合金中的一种。所述绝缘层112的材质包括氧化铝陶瓷、氧化锆中的一种。比如所述承托主体111的材质为铝，所述绝缘层112的材质包括形成在所述承托主体111上的氧化锆。也即，在承托主体111的表面进行阳极氧化绝缘处理，以形成致密的氧化锆薄膜层（绝缘层112）。其中，一方面，氧化锆薄膜的致密性，具有高的硬度与阻止电流通过的作用，其防止了发热丝12绕组将发生短路；另一方面，铝制的承托主体111具有高导热系数，便于热量的快速传递；再者直接在铝制的承托主体111的表面进行氧化处理形成绝缘层112，提高了制备效率。
当然，在本实施例中，承托主体111也可以是其他材料，此处不再赘述。
在本实施例所述的发热模组100中，请参照图6，所述发热丝12包括发热主体121、引脚122和导电层123，所述引脚122与所述发热主体121相连，所述导电层123覆盖在所述引脚122的外周。
所述发热主体121缠绕在所述承托部件11的外表面且设置在所述沟槽13内。将发热主体121以缠绕的方式设置在沟槽13内，提高了发热主体121与承托部件11接触面积，进而提高了承托部件11的发热效率。
可选的，发热主体121呈螺纹状地缠绕在承托部件11上，以提高了发热模组10a发热的均匀性。
可选的，发热主体121均匀地缠绕在所述承托部件11上，以提高发热模组10a发热的均匀性；当然发热主体121也可以非均匀地缠绕在所述承托部件11上。
另外，在本实施例中的发热组件10a中，导电层123的电阻率低于所述引脚122的电阻率。
由于目前绝大部分发热丝的供电是采用脉宽调制（PWM）的方式，PWM 可以视为高频交变电流，电流绝大部分集中在发热丝的“皮肤”部分，也就是说电流集中在发热丝外表的薄层，越靠近发热丝表面，电流密度越大。因此在发热丝12的引脚122表面形成一层低电阻率的材质，使得发热丝12的引脚段（引脚122结合导电层123）表面的电阻值极少，极大的降低引脚段产生的热量。
又由于TCR控温是检测发热丝的整体部分（引脚段+发热主体121）的电阻，降低引脚段的电阻，从而提高发热主体121的电阻占比，可以使得控温更准确，更能体现发热丝实际的状况。
可选的，所述导电层123的材质选自银、铜和金中的一种或至少两种的组合，但不限于此。另外，导电层123可以采用电镀、蒸镀或原子沉积的方式形成在所述引脚122上。
另外，为了进一步提高控温更准确，本实施例的发热主体121和引脚122的材质不同。引脚122的电阻率低于发热主体121的电阻率。发热主体121和引脚122焊接设置。
在一些实施例中，发热主体121和引脚122也可以为一体成型结构，二者的材料相同，其材料可以是镍、铁镍合金或其他导电材料。
具体的，请参照图5和图6，在本实施例所述的发热组件10a中，所述沟槽13包括第一沟槽131、第二沟槽132和第三沟槽133，所述第二沟槽132与所述第一沟槽131的一端相连，所述第三沟槽133与所述第一沟槽131的另一端相连。
所述第一沟槽131设置在所述承托部件11的顶部。所述第二沟槽132和所述第三沟槽133分别自所述承托部件11的顶部向所述承托部件11的底部缠绕设置。所述第二沟槽132和所述第三沟槽133间隔设置。
所述发热主体121包括第一发热段1211、第二发热段1212和第三发热段1213。所述第二发热段1212与所述第一发热段1211的一端相连，所述第三发热段1213与所述第一发热段1211的另一端相连。
所述第一发热段1211设置在所述第一沟槽131内。所述第二发热段1212设置在所述第二沟槽132内。所述第三发热段1213设置在所述第三沟槽133内。
其中，在承托部件11的顶部设置第一沟槽131，并将发热主体121的第一发热段1211设置在第一沟槽131内，起到定位发热丝12的具体位置，也即，发热组件10a在组装的过程中避免发热丝12在水平面上发生位移。
可选的，第一沟槽131设置在承托部件11顶部的中线位置，以将发热丝12限定在承托部件11的中心位置，以提高发热组件10a的发热均匀性。
需要说明的是，该中线是将承托部件11均分为两个相同部分的线，比如承托部件11为圆柱状，其顶部顶面为圆形，则该顶面的直径连线为所述中线；若承托部件11为棱柱状，其顶部顶面为矩形，则该顶面的中线或对角线为所述中线。
综上所述，本实施例的发热模组100通过将发热丝主体121绕设在承托部件11的沟槽13内，并采用导热胶10c填充外壳10b和发热组件10a，提高了发热模组100的发热均匀性。
具体的，请参照图8，图8为背景技术的发热模组的发热效果图。从图8中可知，现有技术的发热模组内部的任意两处的最小温差为12.92摄氏度（℃），最大温差为148.75摄氏度（℃），即发热模组的发热不均匀。
而本实施例的发热模组100中，请参照图9-a和图9-b。在图9-a中，发热模组100的承托部件11任意两处的最大温差为2.65摄氏度（℃）；在图9-b中，发热模组100的外壳10b任意两处的最大温差为1.87摄氏度（℃）；故相较于图8，本发热模组100的发热效果明显更均匀。
需要说明的是，图8、图9-a和图9-b是在相同的实验环境下进行测试的效果图。
在一些实施例中，请参照图10，相较于本实施例的发热组件10a，发热组件20a与本实施例的发热组件10a的不同之处在于：承托部件21的顶部不设置沟槽。也即，承托部件21的周侧设置第一沟槽231和第二沟槽232。第一沟槽231和第二沟槽232分别自所述承托部件21的顶部向所述承托部件21的底部缠绕设置。所述第一沟槽231和所述第二沟槽232间隔设置。
发热丝22包括发热主体221、连接于发热主体221的引脚222以及覆盖所述引脚222的导电层（图中为示出）。
所述发热主体221包括第一发热段2211、第二发热段2212和第三发热段2213。所述第二发热段2212与所述第一发热段2211的一端相连，所述第三发热段1213与所述第一发热段2211的另一端相连。
所述第一发热段2211凸设在承托部件21的顶部上。所述第二发热段2212设置在第一沟槽231内。第三发热段2213设置在第二沟槽232内。
发热丝12的缠绕方式也可以区别于上述实施例的其他方式，比如不同于上述双螺纹缠绕方式的单螺纹缠绕方式。请参照图11，发热组件30a包括承托部件31和缠绕在承托部件31上的发热丝32。发热丝32包括发热主体321、连接于发热主体321的引脚322以及覆盖所述引脚322的导电层（图中为示出）。
承托部件31具有一贯穿承托部件31的通孔311，该通孔311的深度方向为承托部件31的延伸方向。
承托部件31的周壁设置有螺纹状沟槽33。发热主体321缠绕在所述沟槽33内。发热丝32的一引脚322连接于发热主体321的一端，且延伸入所述通孔311并伸出承托部件31；发热丝32的另一引脚322连接于发热主体321另一端，也超出所述承托部件31。
本申请还涉及一种发烟设备，该发烟设备包括上述任一实施例的发热模组。
本申请的发热模组及发烟设备通过将发热丝设置在承托部件上形成发热组件，并以发热组件为发热源对外壳进行加热，提高了发热模组整体的发热均匀性，另外，采用导热胶填充发热模组和外壳之间的缝隙，使得发热模组均匀地向外壳传递热量，进而提高了发热模组整体的发热均匀性。
以上对本申请实施例所提供的一种发热模组及发烟设备进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。

Claims (19)

  1. 一种发热模组，其中，包括：
    加热组件，所述加热组件包括一承托部件和发热丝，所述发热丝的至少部分设置在所述承托部件上；以及
    外壳，所述外壳套设在所述加热组件的外周侧；
    所述承托部件的外表面设置有沟槽，所述发热丝包括发热主体，所述发热主体缠绕在所述沟槽内。
  2. 根据权利要求1所述的发热模组，其中，所述承托部件包括承托主体和绝缘层，所述绝缘层设置于所述承托主体的外表面。
  3. 根据权利要求2所述的发热模组，其中，所述承托主体的导热系数大于或等于 80 W/m·K。
  4. 根据权利要求3所述的发热模组，其中，所述承托主体和所述绝缘层为一体成型的绝缘材料制成。
  5. 根据权利要求3所述的发热模组，其中，所述承托主体的材质为金属，所述绝缘层的材质包括形成在所述承托主体上的金属氧化物。
  6. 根据权利要求5所述的发热模组，其中，所述承托主体的材质为金、银、铜、铁、铝或合金中的一种，所述绝缘层的材质包括氧化铝陶瓷、氧化锆中的一种。
  7. 根据权利要求6所述的发热模组，其中，所述承托主体的材质为铝，所述绝缘层的材质包括形成在所述承托主体上的氧化锆。
  8. 根据权利要求1所述的发热模组，其中，发热模组还包括导热胶，所述导热胶填充在所述加热组件和所述外壳之间。
  9. 根据权利要求8所述的发热模组，其中，所述导热胶选自陶瓷类或玻璃釉质类的无机胶。
  10. 根据权利要求1所述的发热模组，其中，所述发热丝还包括引脚和导电层，所述引脚与所述发热主体相连，所述导电层覆盖在所述引脚的外周；所述导电层的电阻率低于所述引脚的电阻率。
  11. 根据权利要求10所述的发热模组，其中，所述引脚与所述发热主体的材质不同，所述引脚的电阻率低于所述发热丝的电阻率。
  12. 根据权利要求10所述的发热模组，其中，所述引脚与所述发热主体的材质相同，且二者一体成型。
  13. 根据权利要求10所述的发热模组，其中，所述导电层的材质选自银、铜和金中的一种或至少两种的组合。
  14. 根据权利要求1所述发热模组，其中，所述沟槽包括第一沟槽、第二沟槽和第三沟槽，所述第二沟槽与所述第一沟槽的一端相连，所述第三沟槽与所述第一沟槽的另一端相连；
    所述第一沟槽设置在所述承托部件的顶部，所述第二沟槽和所述第三沟槽分别自所述承托部件的顶部向所述承托部件的底部缠绕设置，所述第二沟槽和所述第三沟槽间隔设置；
    所述发热主体包括第一发热段、第二发热段和第三发热段，所述第二发热段与所述第一发热段的一端相连，所述第三发热段与所述第一发热段的另一端相连；
    所述第一发热段设置在所述第一沟槽内，所述第二发热段设置在所述第二沟槽内，所述第三发热段设置在所述第三沟槽内。
  15. 根据权利要求14所述发热模组，其中，所述第一沟槽设置在所述承托部件顶部的中线位置。
  16. 根据权利要求10所述发热模组，其中，所述承托部件具有一贯穿所述承托部件的通孔，所述通孔的深度方向为所述承托部件的延伸方向；
    所述承托部件的周壁设置有螺纹状的所述沟槽，所述发热主体缠绕在所述沟槽内，所述发热丝的一引脚连接于所述发热主体的一端，且延伸入所述通孔并伸出所述承托部件；所述发热丝的另一所述引脚连接于所述发热主体另一端，也超出所述承托部件。
  17. 根据权利要求1所述发热模组，其中，承所述托部件的周侧设置第一沟槽和第二沟槽，所述第一沟槽和所述第二沟槽分别自所述承托部件的顶部向所述承托部件的底部缠绕设置，所述第一沟槽和所述第二沟槽间隔设置；
    所述发热主体包括第一发热段、第二发热段和第三发热段，所述第二发热段与所述第一发热段的一端相连，所述第三发热段与所述第一发热段的另一端相连；
    所述第一发热段凸设在承托部件的顶部上，所述第二发热段设置在所述第一沟槽内，所述第三发热段设置在所述第二沟槽内。18、一种发烟设备，其包括一种发热模组，所述发热模组包括：
    加热组件，所述加热组件包括一承托部件和发热丝，所述发热丝的至少部分设置在所述承托部件上；以及
    外壳，所述外壳套设在所述加热组件的外周侧；
    所述承托部件的外表面设置有沟槽，所述发热丝包括发热主体，所述发热主体缠绕在所述沟槽内。
  18. 根据权利要求18所述的发烟设备，其中，所述承托部件包括承托主体和绝缘层，所述绝缘层设置于所述承托主体的外表面。
  19. 根据权利要求19所述的发烟设备，其中，所述承托主体的导热系数大于或等于 80 W/m·K。
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