WO2022027800A1 - 加热模组及发烟装置 - Google Patents

加热模组及发烟装置 Download PDF

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Publication number
WO2022027800A1
WO2022027800A1 PCT/CN2020/115922 CN2020115922W WO2022027800A1 WO 2022027800 A1 WO2022027800 A1 WO 2022027800A1 CN 2020115922 W CN2020115922 W CN 2020115922W WO 2022027800 A1 WO2022027800 A1 WO 2022027800A1
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WO
WIPO (PCT)
Prior art keywords
heat
base
heating
heating module
casing
Prior art date
Application number
PCT/CN2020/115922
Other languages
English (en)
French (fr)
Inventor
晏华斌
黄颖杰
崔弘明
杞瑞
Original Assignee
惠州市沛格斯科技有限公司
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 惠州市沛格斯科技有限公司 filed Critical 惠州市沛格斯科技有限公司
Publication of WO2022027800A1 publication Critical patent/WO2022027800A1/zh

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Classifications

    • 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
    • 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
    • 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
    • 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
    • A24F40/50—Control or monitoring
    • A24F40/57—Temperature control

Definitions

  • the present application relates to the field of heat-not-burn smoking articles, in particular to a heating module and a smoking device.
  • the heat preservation and heat insulation treatment is usually carried out by attaching a graphene sheet.
  • the large lateral thermal resistance of the graphene sheet is used to prevent the heat of the heating element from being transferred to the casing.
  • the present application provides a heating module and a smoking device to solve the technical problem of the large heat loss of the heating body in the existing smoking device.
  • An embodiment of the present application provides a heating module for a smoking device, and the heating module includes:
  • the casing includes a base and a casing, the casing is arranged on the base, and a accommodating cavity is formed between the casing and the base;
  • the heating component is disposed on the base and located in the accommodating cavity, and a first heat insulation cavity is formed between the outer shell and the heating component;
  • the first heat insulation component is disposed in the first heat insulation cavity, the first heat insulation component includes a first heat insulation body and a first heat reflector, the first heat reflector The body is arranged between the first heat insulating body and the outer shell;
  • the first heat-insulating body includes a porous heat-insulating material, and the porous heat-insulating material is filled between the housing and the heating component, and the first heat-reflecting body is a heat-reflecting film or formed by surface treatment. heat reflector.
  • the embodiment of the present application also provides a heating module for a smoking device, and the heating module includes:
  • the casing includes a base and a casing, the casing is arranged on the base, and a accommodating cavity is formed between the casing and the base;
  • the heating component is disposed on the base and located in the accommodating cavity, and a first heat insulation cavity is formed between the outer shell and the heating component;
  • the first heat insulation component is disposed in the first heat insulation cavity, the first heat insulation component includes a first heat insulation body and a first heat reflector, the first heat reflector The body is arranged between the first heat insulating body and the outer shell.
  • the first heat insulating body includes a porous heat insulating material, and the porous heat insulating material is filled between the casing and the heating component.
  • the porous heat insulating material is glass fiber or aerogel.
  • the first heat insulating body is a heat shield, and the heat shield is sleeved on the outer peripheral side of the heating assembly.
  • the first heat reflector is a heat reflector film or a heat reflector formed by surface treatment.
  • the heat reflection film is a metal sheet.
  • the metal sheet is an aluminum foil.
  • the first heat insulation cavity is located between the casing and the heating component.
  • the first heat insulation cavity is located between the base and the heating component.
  • the first heat reflector is disposed between the casing and the first heat insulator.
  • the heating module further includes a cigarette cup, and the cigarette cup is arranged at one end of the heating assembly away from the base and located in the accommodating cavity, and the cigarette cup is located in the accommodating cavity.
  • a second heat insulation cavity is formed between the cigarette cup and the casing, and the second heat insulation cavity is communicated with the first heat insulation cavity;
  • the second heat insulating cavity is provided with a second heat insulating component, and the second heat insulating component includes a second heat insulating body and a second heat reflector, and the second heat reflector is arranged on the second heat shield. between the thermal body and the housing.
  • the heating assembly includes a heat-conducting element and a heating element, an end of the heat-conducting element facing the base is provided with a receiving portion, and the heating element is arranged in the receiving portion ;
  • An air-guiding groove is formed on the outer wall of the heat-conducting element, and the air-guiding groove extends from the end of the heat-conducting element close to the base to the end of the heat-conducting element far from the base.
  • an air inlet hole is provided on the outer wall of the casing, and the air inlet hole is arranged at one end of the casing close to the base, and is used to communicate with outside air with the air guide groove.
  • the heating module further includes a support member, and the support member is disposed between the base and the thermally conductive element, and the support member includes:
  • the bearing platform is used to support the thermally conductive element
  • the support column is fixed on the base and connected with the end of the bearing platform close to the base;
  • the heating module further includes a connecting piece, the connecting piece is located in the accommodating cavity, and the cigarette cup is fixedly connected to the heat conducting element through the connecting piece .
  • the connecting member is disposed at one end of the heating assembly away from the base, and the connecting member includes a base and a plurality of first and second spaced around the outer circumference of the base. a connecting portion, wherein a plurality of the first connecting portions are disposed on the inner periphery of one end of the base that is away from the heating assembly;
  • the first connecting portion extends into the inside of the cigarette cup and is used for fixing the cigarette cup on the base.
  • a plurality of second connecting parts are disposed on the side of the base close to the heat conducting element, and the plurality of second connecting parts are disposed around the periphery of the base .
  • a limiting groove is provided on a side of the base close to the thermally conductive element, and an end of the thermally conductive element abuts against the limiting groove.
  • the embodiment of the present application also relates to a smoking device, which includes the heating module of any one of the above embodiments.
  • a first heat insulating component is provided in the first heat insulating cavity formed between the heating component and the outer shell, and the first heat insulating component includes a first heat insulating body and a first heat reflector The first heat reflector is located between the first heat insulator and the outer shell.
  • the heat loss of the heating assembly is prevented by arranging the first insulator to improve the working efficiency of the heating assembly. The radiant heat energy of the body is then reflected into the first heat insulator, and the heat loss of the heating assembly can be greatly reduced by the cooperative use of the first heat insulator and the first heat reflector.
  • FIG. 1 is a schematic structural diagram of a smoking device provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of an electrical connection structure of a smoking device provided by 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 partial cross-sectional schematic diagram of a heating module according to an embodiment of the application.
  • FIG. 5 is a schematic structural diagram of a support member in a heating module according to an embodiment of the application.
  • FIG. 6 is a schematic structural diagram of a thermally conductive element in a heating module according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a first thermal insulation component and a second thermal insulation component in the heating module according to the embodiment of the application;
  • FIGS. 8( a ) to 8 ( c ) are schematic structural diagrams of the first heat insulating component and the second heat insulating component in the heating module according to other embodiments of the present application;
  • FIG. 9 is a schematic cross-sectional view of a heating module according to another embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a connector in a heating module according to an embodiment of the application.
  • FIGS. 11( a ) to 11 ( d ) are connection diagrams of the cigarette cup, the connector and the heating assembly in the heating module according to other embodiments of the present 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 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.
  • 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 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.
  • 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 smoking device provided by an embodiment of the application
  • FIG. 2 is a schematic structural diagram of an electrical connection of the smoking device provided by an embodiment of the application.
  • the smoking device 1000 in the embodiment of the present application 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 .
  • an upper cover 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 300 on the support frame, and finally assemble the upper cover, and the whole machine is assembled.
  • PCB printed circuit board
  • the smoking device 1000 includes a power module 100 , a driving module 200 and a heating module 300 .
  • the smoking device 1000 is a smoking auxiliary accessory for users to smoke smoking products.
  • the smoking product may be tobacco or cigarettes.
  • the power module 100 is electrically connected to the driving module 200 .
  • the driving module 200 is electrically connected to the heating module 300 .
  • the power module 100 is used to supply power to the driving module 200 and the heating module 300 .
  • the driving module 200 drives the heating module 300 to work, and makes the heating module 300 heat the air entering the heating module 300 to bake the smoking products by the hot air, so that the smoking products are atomized into smoke for the user to smoke.
  • the heating module 300 provided in this embodiment of the present application includes a casing 10 , a support member 20 , a heating assembly 30 , a connecting member 40 , a cigarette cup 50 , a first heat insulation assembly 60 and a second heat insulation assembly 70 .
  • the housing 10 includes a base 11 and a housing 12 .
  • the casing 12 is disposed on the base 11 , and a accommodating cavity M is formed between the casing 12 and the base 11 .
  • the accommodating cavity M accommodates the supporting member 20 , the heating assembly 30 , the connecting member 40 and the cigarette cup 50 in sequence from bottom to top.
  • the support member 20 is fixed on the base 11 and is used for supporting the heating assembly 30 .
  • the heating element 30 is disposed on the support member 20 .
  • a first heat insulation cavity N1 is formed between the casing 10 and the heating assembly 30 .
  • the first heat insulating cavity N1 is located between the casing 12 and the heating assembly 30 .
  • the cigarette cup 50 is disposed at one end of the heating assembly 30 away from the support member 20 .
  • a second insulating cavity N2 is formed between the cigarette cup 50 and the casing 12 .
  • the second insulating chamber N2 communicates with the first insulating chamber N1.
  • the cigarette cup 50 is used for placing smoking products.
  • the connecting member 40 is disposed between the heating assembly 30 and the cigarette cup 50 , and the cigarette cup 50 is fixedly connected to the heating assembly 30 through the connecting member 40 .
  • the first heat insulating component 60 is disposed in the first heat insulating cavity N1.
  • the first heat insulating assembly 60 includes a first heat insulating body 61 and a first heat reflector 62 .
  • the first heat reflector 62 is disposed between the first heat insulator 61 and the casing 12 .
  • the second heat insulating assembly 70 is disposed in the second heat insulating cavity N2.
  • the second heat insulating assembly 70 includes a second heat insulating body 71 and a second heat reflector 72 .
  • the second heat reflector 72 is provided between the second heat insulator 71 and the casing 12 .
  • the first heat insulating assembly 60 and the second heat insulating assembly 70 are integrally formed. Specifically, the first heat insulator 61 and the second heat insulator 71 are integrally formed, and the first heat reflector 62 and the second heat reflector 72 are integrally formed.
  • first heat insulation assembly 60 and the second heat insulation assembly 70 may also be separate structures.
  • the first heat insulator 61 and the second heat insulator 71 may have separate structures, and the first heat reflector 62 and the second heat reflector 72 are also separate structures, which will not be repeated here.
  • a first heat insulating component 60 is disposed in the first heat insulating cavity N1 formed between the heating component 30 and the housing 12 , and the first heat insulating component 60 includes a first heat insulating body 61 and a first heat insulating body 61 .
  • a heat reflector 62 is located between the first heat insulator 61 and the casing 12 .
  • the heat loss of the heating assembly 30 is reduced by arranging the first insulator 61 to improve the working efficiency of the heating assembly 30.
  • a heat reflector 62 can re-reflect the radiant heat energy passing through the first heat insulator 61 into the first heat insulator 61 , and then through the cooperation of the first heat insulator 61 and the first heat reflector 62 , it can greatly Heat loss from the heating assembly 30 is reduced.
  • the above arrangement reduces the temperature of the casing 12 and improves the comfort of the smoking device when using it.
  • a second heat insulating assembly 70 is provided in the second heat insulating cavity N2 formed between the cigarette cup 50 and the housing 12 , and the second heat insulating assembly 70 includes a second heat insulating body 71 and a second heat insulating body 71 .
  • the heat reflector 72 and the second heat reflector 72 are located between the second heat insulator 71 and the housing 12 . Therefore, through the combined use of the second heat insulator 71 and the second heat reflector 72 , the cigarette cup 50 is reduced in size. Therefore, the smoking product in the smoking cup 50 can be fully heated by the hot air entering the smoking cup 50, which is beneficial to improve the atomization efficiency of the smoking product, so that the smoker can smoke the smoking product in time.
  • the heating assembly 30 includes a heating element 31 , a heat conducting element 32 and a first temperature sensing element 33 .
  • the support 20 is fixed on the base 11 .
  • the support member 20 includes a bearing platform 21 , a support column 22 and a plurality of fixed parts 23 arranged at intervals.
  • the carrier 21 is used to support the thermally conductive element 32 .
  • the support column 22 is fixed on the base 11 and connected to one end of the bearing platform 21 close to the base 11 .
  • the plurality of fixing portions 23 are disposed on the outer periphery of one end of the bearing platform 21 away from the base 11 .
  • An accommodating space 23 a is formed between the plurality of fixing portions 23 .
  • the end portion 231 of the heat-conducting element 32 is disposed in the accommodating space 23a.
  • the plurality of fixing portions 23 are evenly and spaced apart along the circumferential direction of the bearing platform 21 .
  • This arrangement can play a good role in fixing and limiting the heat conduction element 32, avoiding the deviation of the heat conduction element 32 in the process of being collided with the outside world, so that the air heated by the heat conduction element 32 can be uniformly transmitted to the cigarette cup 50, and further It is beneficial to improve the smoking taste of smoking products.
  • the material of the support member 20 may include materials with high temperature resistance and low thermal conductivity such as zirconia, silicon dioxide or ceramics, so as to reduce conduction and heat conduction, so that the heat of the heat conduction element 32 will not be quickly transferred to the cigarette cup 50, thereby reducing the heat losses during conduction.
  • the number of the heat-conducting member 32 and the support member is minimized.
  • the contact area of 20 reduces the heat conduction from the heat conduction element 32 to the support member 20, thereby further reducing the loss during the heat conduction process.
  • the height of the contact portion of the thermally conductive element 32 and the supporter 20 does not exceed one third of the height of the thermally conductive element 32 .
  • a receiving portion 32b is provided on one end of the heat-conducting element 32 facing the base 11 .
  • the heating element 31 is disposed in the accommodating portion 32b and sealed with inorganic glue such as ceramic glue or glass glaze glue.
  • the heating element 31 is electrically connected to the driving module 200 .
  • the heating element 31 may be a heating resistance wire or a heating sheet.
  • the heat-conducting element 32 is made of materials with high thermal conductivity.
  • the material of the thermally conductive element 32 may include a sintered body of materials such as alumina, zirconia, or silicon nitride; and may also include metal materials such as aluminum, copper, or iron.
  • a metal material is used to prepare the heat-conducting element 32 , the surface of the heat-conducting element 32 needs to be insulated to prevent the heat-conducting element 31 from being short-circuited when the heat-conducting element 32 contacts the heating element 31 .
  • the first temperature sensing element 33 is disposed on the heat conducting element 32 and is used for sensing the temperature of the heat conducting element 32 .
  • the first temperature sensing element 33 is electrically connected to the driving module 200 .
  • the first temperature sensing element 33 may be attached to the outer wall of the heat conducting element 32 so as to accurately sense the temperature of the heat conducting element 32 .
  • the first temperature sensing element 33 may be a thermocouple, or other devices for sensing temperature.
  • the heating module 300 monitors the real-time temperature of the heat-conducting element 32 through the first temperature sensing element 33, and compares the real-time temperature with the target set temperature in the driving module 200.
  • the smoking device state such as in the preheating stage, the suction stage, etc.
  • control the operation of the heating assembly 30 through the driving module 200 so as to control the temperature of the thermally conductive element 32, thereby ensuring the consistent temperature of the thermally conductive element 32 to bake the smoking products during the working process It can ensure the atomization effect of smoking products and the release of nicotine, so as to ensure the comfortable taste of smoking products by controlling the temperature of hot air.
  • the heating module 300 further includes a second temperature sensing element 51 .
  • the second temperature sensing element 51 is installed on the base 11 and disposed outside the cigarette cup 50 for detecting the temperature of the cigarette cup 50 .
  • the second temperature sensing element 51 can be closely attached to the outer wall of the cigarette cup 50 .
  • a resistance heating wire whose resistance value varies with temperature can also be used, that is, a temperature coefficient of resistance (temperature coefficient of resistance) can be used.
  • the temperature control method of coefficient of resistance, TCR) will not be repeated here.
  • the first heat insulating body 61 includes a porous heat insulating material.
  • the porous insulating material is filled between the housing 12 and the heating element 30 .
  • the porous heat insulating material covers the outer peripheral sides of the thermally conductive element 32 and the cigarette cup 50 .
  • the thermal insulation measures for the heat-conducting element 32 are particularly important.
  • the porous heat insulating material is coated on the outer peripheral side of the heat conducting element 32, so that the heat generated by the heat conducting element 32 is not easily conducted and diffused outward, and the heat generated by the heat conducting element 32 can be used to the maximum extent to heat the air, so that the heat generated by the heat conducting element 32 can be heated to the maximum extent.
  • the hot air is used to better atomize the smoking products in the smoking cup 50, so as to improve the smoking taste.
  • the porous heat insulating material may be glass fiber, aerogel or heat insulating cotton. Since the porous material itself contains voids, the thermal conductivity of the air or inert gas in the voids is low, so the heat loss through thermal conduction can be effectively reduced.
  • the first heat insulating body 61 may also include other heat insulating materials, which are not limited in this application.
  • the porous heat insulating material is glass fiber. Because glass fiber has good heat resistance, low thermal conductivity and good flame retardancy, and glass fiber is non-toxic, harmless, and has no peculiar smell at high temperature, glass fiber is selected as the thermal insulation material. While achieving better heat insulation effect, it does not pollute the environment and does not affect the taste of smoking.
  • the temperature of the cigarette cup 50 will affect the temperature of the casing 12, in this embodiment, by wrapping the porous heat insulating material on the outer peripheral side of the cigarette cup 50, on the one hand, the heat loss in the cigarette cup 50 is reduced, and the heat loss in the cigarette cup 50 can be reduced.
  • the hot air in the smoking cup can better heat the smoking article; on the other hand, the temperature of the casing 12 is lowered, thereby ensuring a comfortable hand feeling when the smoking device is used.
  • the first heat reflector 62 is a heat reflector film.
  • the heat reflective film can be a metal sheet, and the material of the metal sheet can include metals with heat reflective properties such as aluminum, gold, silver, nickel, etc.; or, the above heat reflective film can also be polyester coated with a metal material. , polyimide film and other film materials that can reflect radiant heat energy, and the material of the heat reflective film is not specifically limited in this embodiment.
  • the heat reflective film is a metal sheet as an example for description, but it is not limited to this.
  • the above-mentioned metal sheet is an aluminum foil.
  • the aluminum foil is an aluminum foil coil.
  • the aluminum foil coil is wrapped around the outer peripheral side of the porous heat insulating material.
  • 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, 80% to 95% of the heat energy can be reflected to the first heat insulator 61 . 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 thermally conductive element 32 , thereby further improving the working efficiency of the thermally conductive element 32 . In addition, the above arrangement further reduces the heat loss in the cigarette cup 50, thereby further improving the comfort of the smoking device in use.
  • the first heat reflector 62 may also be a heat reflector formed by surface treatment.
  • the heat-reflecting structure coats the outer peripheral side of the porous heat insulating material.
  • a heat reflection part with a heat reflection effect can be formed by physical or chemical methods, for example, by polishing the surface of the heat reflection part to be formed, the surface of the heat emission part is made smooth, so as to reflect the radiant heat energy; or , a physical vapor deposition process, chemical vapor deposition process or electroplating process can also be used to form a layer of film with reflective radiant heat energy on the surface of the heat reflection part to be formed, such as aluminum, silver, copper and other metal films, or poly Non-metallic films such as ester or polyimide, etc.
  • the present application does not specifically limit the material of the heat reflecting portion to be formed, as long as the heat reflecting portion obtained by surface treatment has the effect of reflecting radiant heat energy, it is within the protection scope of the present application.
  • the first spacer The heat body 61 is also disposed between the housing 12 and the support member 20 , so that the heat loss in the heat conducting element 32 can be further reduced.
  • the first heat insulating body 61 is a heat shield.
  • the heat shield is sleeved on the outer peripheral sides of the heat conducting element 32 and the cigarette cup 50 .
  • the heat reflection film is attached to the outer peripheral wall of the heat shield.
  • the material of the heat shield may include glass fiber, aerogel, etc., which will not be repeated here.
  • the heating module 300 further includes a third heat insulator 80 , as shown in FIGS. 8( b ) and 8( c ), respectively. shown.
  • the third heat insulator 80 is sleeved on the outer peripheral sides of the first heat insulation assembly 60 and the second heat insulation assembly 70 .
  • the third insulator 80 may be a vacuum tube. Since the vacuum tube can further heat insulation, this arrangement can further reduce the temperature of the casing 12, thereby further improving the comfort when the smoking device is in use. Specifically, in the experimental study, it was found that the temperature of the casing 12 can be controlled below 40° C. through the arrangement of the vacuum tube.
  • the second heat insulating assembly 70 and the first heat insulating assembly 60 are integrally formed as an example for description, and the structure and material of the second heat insulating body 71 may refer to the first heat insulating body 71
  • the description of the heat insulator 61 and the structure and material of the second heat reflector 72 can be referred to the description of the first heat reflector 62 , which will not be repeated here.
  • the first thermal insulation cavity N1 is located between the housing 12 and the heating element 30 and between the base 11 and the heating element 30 , in other words, the first thermal insulation element 60 is disposed in the between the housing 12 and the heating assembly 30 and between the base 11 and the heating assembly 30 .
  • the first insulating cavity N1 includes a first sub-insulating cavity n1 and a second sub-insulating cavity n2.
  • the first sub-insulation cavity n1 is located between the housing 12 and the heat conducting element 32 .
  • the second sub-insulation cavity n2 is located between the support 20 and the heat conducting element 32 .
  • the first sub-insulation cavity n1 is communicated with the second sub-insulation cavity n2.
  • the first heat insulating assembly 60 includes a heat insulating material 61 and an aluminum foil 62 .
  • the heat insulating material 61 is filled in the first sub-insulation cavity n1 and the second sub-insulation cavity n2.
  • the heat insulating material 61 is a porous heat insulating material.
  • the aluminum foil 62 is wrapped around the portion of the heat insulating material 61 located in the first sub-heat insulating cavity n1.
  • the above arrangement can simultaneously reduce the probability that the heat of the heat-conducting element 32 is transferred to the housing 12 and the base 11, that is, reduce the heat loss at the side and bottom of the heat-conducting element 32, thereby improving the working efficiency of the heating element 30 to the greatest extent.
  • the air inside the heating assembly 30 can be sufficiently heated.
  • the first heat insulating cavity N1 may also be located only between the base 11 and the heating assembly 30 .
  • the first heat insulation component 60 is disposed in the first heat insulation cavity N1 , in other words, the first heat insulation component 60 is only disposed between the base 11 and the heating component 30 , and details are not repeated here.
  • the connecting member 40 includes a base 41 and a plurality of first connecting portions 42 spaced around the periphery of the base 41 .
  • the plurality of first connecting parts 42 are disposed on the inner periphery of one end of the base 41 close to the cigarette cup 50 .
  • the plurality of first connecting portions 42 are evenly and spaced apart along the circumferential direction of the base 41 .
  • the first connecting portion 42 extends into the inside of the cigarette cup 50 and is used for fixing the cigarette cup 50 on the base 41 .
  • the first connecting portion 42 can also be used to adjust the distance between the smoking article in the cigarette cup 50 and the heating assembly 30, so as to control the heating temperature of the smoking article.
  • the present application does not limit the shape of the first connecting portion 42 , which may be a prism or a column, and the present application also does not limit the manner in which the first connecting portion 42 fixes the cigarette cup 50 .
  • the first connecting portion 42 includes a first surface 421 a parallel to the inner wall of the cigarette cup 50 , the first surface 421 a is in contact with the inner wall of the cigarette cup 50 , and the bottom wall of the cigarette cup 50 is in common with the upper surface of the base 41 .
  • a stepped fixing portion is formed, and the cigarette cup 50 is fixed on the fixing portion.
  • a convex block may be provided on the surface of the first connecting portion 42, a concave portion is formed in the cigarette cup 50, and the convex block on the surface of the first connecting portion 42 is fitted with the concave portion in the cigarette cup 50, In order to fix the first connecting part 42 and the cigarette cup 50 .
  • the connecting member 40 is further provided with a limiting groove 43 , and the end of the heat-conducting element 32 abuts in the limiting groove 43 to limit the position of the heat-conducting element 32 .
  • the limiting groove 43 may be formed on the first connecting portion 42 .
  • the limiting groove 43 may be opened on the inward side of the first connecting portion 42 .
  • 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 heat-conducting element 32
  • the second limiting surface 432 is parallel and abutting with the peripheral side surface of the heat-conducting element 32 .
  • the limiting groove 43 may also be formed on the base 41 .
  • the first limiting surface 431 and the second limiting surface 432 are located on the side of the base 41 away from the first connecting portion 42 .
  • a plurality of second connecting portions 44 are disposed on the side of the base 41 close to the thermally conductive element 32 , as shown in FIG. 11( b ).
  • a plurality of second connection portions 44 are provided around the periphery of the base 41 .
  • the present application does not limit the shape of the second connecting portion 44, which may be a prism or a column.
  • the present application also does not limit the manner in which the second connection portion 44 fixes the thermally conductive element 32 .
  • the heat conducting element 32 is sandwiched between the plurality of second connecting portions 44 .
  • a limiting groove 43 may also be provided on the connector 40. Please refer to Fig. 11(b), Fig. 11(c) and Fig. 11(d) respectively.
  • the groove 43 may be opened on one of the base 41 , the first connecting portion 42 and the second connecting portion 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 heat-conducting element 32
  • the second limiting surface 432 is parallel and abutting with the peripheral side surface of the heat-conducting element 32 .
  • the material of the connecting member 40 may include materials with high temperature resistance and low thermal conductivity such as zirconia, silicon dioxide or ceramics.
  • the connecting end of the connecting piece 40 in a column shape, the cigarette cup 50 and the connecting piece 40 have a smaller contact area, so that the cigarette cup 50 is in contact with the heat conducting element 32 of the heating assembly 30 through the connecting piece 40, reducing the The heat of conduction and heat conduction is lost, so that the heat of conduction is not too much to affect the working efficiency of the heating element 30 .
  • an air guide groove 32 a is formed on the outer wall of the heat conducting element 32 .
  • the air guide groove 32 a extends from the end of the heat-conducting element 32 close to the base 11 to the end of the heat-conducting element 32 away from the base 11 .
  • the outer wall of the housing 12 is provided with an air intake hole 12a.
  • the air inlet hole 12a is disposed at one end of the casing 12 close to the base 11, and is used to communicate the outside air with the air guide groove 32a.
  • a vent hole 62 a is provided on one end of the first heat reflector 62 close to the base 11 .
  • the ventilation holes 62a correspond to and communicate with the air intake holes 12a.
  • the heat released by the heating element 31 is transferred to the heat-conducting element 32 by means of heat conduction, and then the heat of the heat-conducting element 32 is conducted to the air in the air-guiding groove 32a by means of convective heat exchange with the air, to complete the work of heating the air.
  • the outside air entering from the air intake hole 12a enters the vent hole 62a, and then enters the air guide groove 32a through the gap inside the first heat insulator 61, and the heat conducting element 32
  • the heat of the cigarette is convective with the air in the air guide groove 32a, so that this part of the air is heated, the heated air enters the cigarette cup 50, and starts to bake the smoking product, so that the smoking product is atomized to generate smoke, thereby releasing nicotine and For use by smokers.
  • the assembling method of the heating module 300 in this embodiment is as follows: firstly, the cigarette cup 50 and the heat-conducting element 32 are fixedly connected through the connector 40, and the heating element 31 is placed in the receiving portion 32b of the heat-conducting element 32; then, the assembled The above-mentioned structure is fixed on the support 20, wherein the end 231 of the heat-conducting element 32 is fixedly connected with the support 20; The whole is connected with the base 11 ; finally, the above assembled structure is put into the casing 12 . In this way, the assembly of the heating module 300 in the embodiment of the present application is completed.
  • the heating module of this embodiment is provided with a first thermal insulation component in the first thermal insulation cavity formed between the heating component and the housing, and the first thermal insulation component includes a first thermal insulation component.
  • a heat insulator and a first heat reflector, the first heat reflector is located between the first heat insulator and the casing.
  • the heat loss of the heating assembly is reduced by arranging the first insulator to improve the working efficiency of the heating assembly, and the first heat reflector is disposed outside the first heat insulator.
  • the radiant heat energy passing through the first heat insulator is re-reflected into the first heat insulator, and then the first heat insulator and the first heat reflector are used together to greatly reduce the heat loss of the heating assembly.
  • the above arrangement reduces the temperature of the housing and improves the comfort when the smoking device is used.

Landscapes

  • Resistance Heating (AREA)

Abstract

一种加热模组(300)及发烟装置(1000)，该加热模组(300)包括外壳(10)、加热组件(30)和隔热组件，外壳(10)包括底座(11)和壳体(12)；加热组件(30)设置于底座(11)上，外壳(10)与加热组件(30)之间形成第一隔热腔(N1)；第一隔热组件(60)设置于第一隔热腔(N1)内，第一隔热组件(60)包括第一隔热体(61)和第一热反射体(62)，第一热反射体(62)设置于第一隔热体(61)与外壳(10)之间。

Description

加热模组及发烟装置 技术领域
本申请涉及加热不燃烧烟具领域，具体涉及一种加热模组及发烟装置。
 背景技术
在目前的电子烟产品中，通常采用贴附石墨烯片的方式进行保温隔热处理，具体的，利用石墨烯片横向热阻大的性能，阻隔发热体的热量传递至外壳。
 技术问题
然而，通过在电子烟外围壳体的外壁上贴附石墨烯片的方式来防止发热体的热量损失时，由于石墨烯的纵向热阻小，其纵向的导热效果较好，发热体的热量会沿外围壳体所在的方向传输至其他部件上，进而产生较大的热损失。
因此，现有技术存在缺陷，有待改进与发展。
 技术解决方案
本申请提供一种加热模组及发烟装置，以解决现有的发烟装置中发热体热量损失较大的技术问题。
本申请实施例提供一种加热模组，用于发烟装置，所述加热模组包括：
外壳，所述外壳包括底座和壳体，所述壳体设置于所述底座上，且与所述底座之间形成一容纳腔；
加热组件，所述加热组件设置于所述底座上，且位于所述容纳腔内，所述外壳与所述加热组件之间形成第一隔热腔；以及
第一隔热组件，所述第一隔热组件设置于所述第一隔热腔内，所述第一隔热组件包括第一隔热体和第一热反射体，所述第一热反射体设置于所述第一隔热体与所述外壳之间；
所述第一隔热体包括多孔隔热材料，所述多孔隔热材料填充于所述壳体与所述加热组件之间，所述第一热反射体为热反射膜或经表面处理形成的热反射部。
本申请实施例还提供一种加热模组，用于发烟装置，所述加热模组包括：
外壳，所述外壳包括底座和壳体，所述壳体设置于所述底座上，且与所述底座之间形成一容纳腔；
加热组件，所述加热组件设置于所述底座上，且位于所述容纳腔内，所述外壳与所述加热组件之间形成第一隔热腔；以及
第一隔热组件，所述第一隔热组件设置于所述第一隔热腔内，所述第一隔热组件包括第一隔热体和第一热反射体，所述第一热反射体设置于所述第一隔热体与所述外壳之间。
在本申请实施例的所述加热模组中，所述第一隔热体包括多孔隔热材料，所述多孔隔热材料填充于所述壳体与所述加热组件之间。
在本申请实施例的所述加热模组中，所述多孔隔热材料为玻璃纤维或者气凝胶。
在本申请实施例的所述加热模组中，所述第一隔热体为隔热罩，所述隔热罩套设在所述加热组件的外周侧。
在本申请实施例的所述加热模组中，所述第一热反射体为热反射膜或经表面处理形成的热反射部。
在本申请实施例的所述加热模组中，所述热反射膜为金属薄片。
在本申请实施例的所述加热模组中，所述金属薄片为铝箔。
在本申请实施例的所述加热模组中，所述第一隔热腔位于所述壳体与所述加热组件之间。
在本申请实施例的所述加热模组中，所述第一隔热腔位于所述底座与所述加热组件之间。
在本申请实施例的所述加热模组中，所述第一热反射体设置于所述壳体与所述第一隔热体之间。
在本申请实施例的所述加热模组中，所述加热模组还包括烟杯，所述烟杯设置在所述加热组件远离所述底座的一端，且位于所述容纳腔内，所述烟杯与所述壳体之间形成第二隔热腔，所述第二隔热腔与所述第一隔热腔相通；
所述第二隔热腔内设置有第二隔热组件，所述第二隔热组件包括第二隔热体和第二热反射体，所述第二热反射体设置于所述第二隔热体与所述壳体之间。
在本申请实施例的所述加热模组中，所述加热组件包括导热元件和发热元件，所述导热元件朝向所述底座的一端上设置有一收容部，所述发热元件设置于所述收容部内；
所述导热元件的外壁上开设有导气槽，所述导气槽自所述导热元件靠近所述底座的一端延伸至所述导热元件远离所述底座的一端。
在本申请实施例的所述加热模组中，所述壳体的外壁上设置有进气孔，所述进气孔设置于所述壳体靠近所述底座的一端，且用于连通外界空气与所述导气槽。
在本申请实施例的所述加热模组中，所述加热模组还包括支撑件，所述支撑件设置在所述底座与所述导热元件之间，所述支撑件包括：
承载台，所述承载台用于支撑所述导热元件；
支撑柱，所述支撑柱固定在所述底座上，且与所述承载台靠近所述底座的一端相连；以及
多个间隔设置的固定部，多个所述固定部设置于所述承载台远离所述底座的一端，多个所述固定部之间形成一容置空间，所述导热元件的端部设置于所述容置空间内。
在本申请实施例的所述加热模组中，所述加热模组还包括连接件，所述连接件位于所述容纳腔内，所述烟杯通过所述连接件与所述导热元件固定连接。
在本申请实施例的所述加热模组中，所述连接件设置在所述加热组件远离所述底座的一端，所述连接件包括基台和围绕所述基台外周间隔设置的多个第一连接部，多个所述第一连接部设置于所述基台远离所述加热组件的一端的内周沿上；
所述第一连接部延伸至所述烟杯内部，并用于将所述烟杯固定在所述基台上。
在本申请实施例的所述加热模组中，所述基台靠近所述导热元件的一侧设置有多个第二连接部，多个所述第二连接部围绕所述基台的周缘设置。
在本申请实施例的所述加热模组中，所述基台靠近所述导热元件的一侧设置有限位槽，所述导热元件的端部抵接于所述限位槽。
本申请实施例还涉及一种发烟装置，其包括上述任一实施例的所述加热模组。
 有益效果
本申请的加热模组及发烟装置，通过在加热组件和外壳之间形成的第一隔热腔内设置第一隔热组件，第一隔热组件包括第一隔热体和第一热反射体，第一热反射体位于第一隔热体与外壳之间。本申请通过设置第一隔热体来防止加热组件的热量损失，以提高加热组件的工作效率，并通过在第一隔热体的外侧设置第一热反射体，以将透过第一隔热体的辐射热能再反射至第一隔热体中，进而通过第一隔热体和第一热反射体的配合使用，能够大大降低加热组件的热量损失。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的发烟装置的结构示意图；
图2为本申请实施例提供的发烟装置的电连接结构示意图；
图3为本申请实施例的加热模组的爆炸结构示意图；
图4为本申请实施例的加热模组的部分剖视示意图；
图5为本申请实施例的加热模组中支撑件的结构示意图；
图6为本申请实施例的加热模组中导热元件的结构示意图；
图7为本申请实施例的加热模组中第一隔热组件及第二隔热组件的结构示意图；
图8（a）至图8（c）为本申请其他实施例的加热模组中第一隔热组件及第二隔热组件的结构示意图；
图9为本申请另一实施例的加热模组的剖面示意图；
图10为本申请实施例的加热模组中连接件的结构示意图；
图11（a）至图11（d）为本申请其他实施例的加热模组中烟杯、连接件及加热组件的连接关系图。
 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和图2，图1为本申请实施例提供的发烟装置的结构示意图；图2为本申请实施例提供的发烟装置的电连接结构示意图。
请参考图1，本申请实施例中的发烟装置1000包括上盖、底壳、电池、印刷电路板（PCB）板、支撑架、加热模组100六大部件。组装时将电池、PCB板安装在支撑架上，然后将支撑架安装放入底壳中，再将加热模组300安装在支撑架上，最后装配好上盖，整机组装完成。
进一步的，如图2所示，发烟装置1000包括电源模块100、驱动模块200和加热模组300。其中，发烟装置1000是一种吸烟辅助配件，用于供用户吸食烟制品。具体的，烟制品可以为烟草或者烟支。
电源模块100电连接于驱动模块200。驱动模块200电连接于加热模组300。电源模块100用于给驱动模块200和加热模组300供电。驱动模块200驱动加热模组300工作，并使加热模组300加热进入加热模组300内的空气，由热空气烘烤烟制品，使得烟制品雾化成烟以供用户吸食。
请参照图3和图4。本申请实施例提供的加热模组300包括外壳10、支撑件20、加热组件30、连接件40、烟杯50、第一隔热组件60和第二隔热组件70。
外壳10包括底座11和壳体12。壳体12设置于底座11上，且与底座11之间形成一容纳腔M。容纳腔M内从下到上依次收容有支撑件20、加热组件30、连接件40和烟杯50。
支撑件20固定在底座11上，并用于支撑加热组件30。
加热组件30设置于支撑件20上。外壳10与加热组件30之间形成第一隔热腔N1。具体的，在本实施例中，第一隔热腔N1位于壳体12与加热组件30之间。
烟杯50设置于加热组件30远离支撑件20的一端。烟杯50与壳体12之间形成第二隔热腔N2。第二隔热腔N2与第一隔热腔N1相通。其中，烟杯50用于放置烟制品。
连接件40设置于加热组件30与烟杯50之间，且烟杯50通过连接件40与加热组件30固定连接。
第一隔热组件60设置于第一隔热腔N1内。第一隔热组件60包括第一隔热体61和第一热反射体62。第一热反射体62设置于第一隔热体61与壳体12之间。
第二隔热组件70设置于第二隔热腔N2内。第二隔热组件70包括第二隔热体71和第二热反射体72。第二热反射体72设置于第二隔热体71与壳体12之间。
在本实施例中，第一隔热组件60和第二隔热组件70一体成型。具体的，第一隔热体61和第二隔热体71一体成型，且第一热反射体62和第二热反射体72一体成型。
在一些实施例中，第一隔热组件60和第二隔热组件70也可以为分体结构。其中，第一隔热体61和第二隔热体71可以为分体结构，且第一热反射体62和第二热反射体72也为分体结构，在此不再赘述。
本实施例的加热模组300在加热组件30和壳体12之间形成的第一隔热腔N1内设置第一隔热组件60，第一隔热组件60包括第一隔热体61和第一热反射体62，第一热反射体62位于第一隔热体61与壳体12之间。本实施例通过设置第一隔热体61来降低加热组件30的热量损失，以提高加热组件30的工作效率，并通过在第一隔热体61的外侧设置第一热反射体62，由于第一热反射体62能够将透过第一隔热体61的辐射热能再反射至第一隔热体61中，进而通过第一隔热体61和第一热反射体62的配合使用，能够大大降低加热组件30的热量损失。此外，上述设置降低了壳体12的温度，提升了发烟装置使用时的舒适感。
进一步的，本实施例通过在烟杯50和壳体12之间形成的第二隔热腔N2内设置第二隔热组件70，第二隔热组件70包括第二隔热体71和第二热反射体72，第二热反射体72位于第二隔热体71与壳体12之间，因而，通过第二隔热体71和第二热反射体72的配合使用，降低了烟杯50的热量损失，使得烟杯50内的烟制品能够充分地被进入烟杯50内的热空气所加热，从而有利于提高烟制品的雾化效率，以便吸食者能够及时地吸食烟制品。
请一并参照图3至图6。在本实施例的加热模组300中，加热组件30包括发热元件31、导热元件32和第一感温元件33。
支撑件20固定在底座11上。支撑件20包括承载台21、支撑柱22和多个间隔设置的固定部23。承载台21用于支撑导热元件32。支撑柱22固定在底座11上，且与承载台21靠近底座11的一端相连。多个固定部23设置于承载台21远离底座11的一端的外周沿上。
多个固定部23之间形成一容置空间23a。导热元件32的端部231设置于容置空间23a内。
其中，多个固定部23沿承载台21的圆周方向均匀且间隔设置。该设置能够对导热元件32起到良好的固定与限位作用，避免导热元件32在受到外界碰撞的过程中发生偏移，使得经导热元件32加热的空气能够均匀传递至烟杯50中，进而有利于提高烟制品的吸食口感。
支撑件20的材料可以包括氧化锆、二氧化硅或陶瓷等耐高温且具有低导热系数的材料，以减少传导导热，使得导热元件32的热量不会快速地传递到烟杯50，从而降低热量传导过程中的损失。
此外，在本实施例中，通过将导热元件32的端部231与支撑件20相接触，在支撑件20能够较好地固定导热元件32的前提下，最大限度减少了导热元件32与支撑件20的接触面积，减少了导热元件32向支撑件20的传导热量，从而进一步降低了热量传导过程中的损失。
在一些实施例中，为了进一步减少导热元件32与支撑件20的接触面积，导热元件32与支撑件20接触部分的高度不超过导热元件32高度的三分之一。
导热元件32朝向底座11的一端上设置有一收容部32b。发热元件31设置于收容部32b内，并用陶瓷胶或者玻璃釉胶等无机胶进行密封。发热元件31电连接于驱动模块200。
具体的，发热元件31可以为发热电阻丝或发热片。
其中，导热元件32采用高导热系数的材料制备而得。导热元件32的材料可以包括氧化铝、氧化锆或氮化硅等材料的烧结体；也可以包括铝、铜或铁等金属材料。其中，当选用金属材料制备导热元件32时，需要对导热元件32表面需要进行绝缘处理，以防止导热元件32与发热元件31接触时使得发热元件31出现短路问题。
第一感温元件33设置在导热元件32上，并用于感测导热元件32的温度。第一感温元件33电连接于驱动模块200。具体的，第一感温元件33可以贴附在导热元件32的外壁上，以便准确感知导热元件32的温度。
可选的，第一感温元件33可以为热电偶，或其他用于感测温度的器件。
在本实施例中，加热模组300通过第一感温元件33监测导热元件32的实时温度，并将实时温度与驱动模块200中的目标设定温度进行比较，另外，结合发烟装置的使用状态，如处于预热阶段、抽吸阶段等，然后再通过驱动模块200控制加热组件30的工作，以便控制导热元件32的温度，进而保证导热元件32在工作过程中烘烤烟制品温度的一致性，保证烟制品的雾化效果和尼古丁的释放，从而通过控制热空气的温度来保证烟制品的舒适口感。
在本申请实施例中，加热模组300还包括第二感温元件51，第二感温元件51安装在底座11上，并设置于烟杯50的外侧，用于检测烟杯50的温度。其中，为了准确监测烟杯50的实时温度，第二感温元件51可以紧贴在烟杯50的外壁上。
在一些实施例中，还可以使用阻值随温度变化而变化的电阻发热丝，即采用电阻温度系数（temperature coefficient of resistance，TCR）的控温方式，在此不再赘述。
请继续参照图3至图7。在本实施例的加热模组300中，第一隔热体61包括多孔隔热材料。多孔隔热材料填充于壳体12与加热组件30之间。具体的，多孔隔热材料包覆在导热元件32和烟杯50的外周侧。
由于导热元件32在工作时的温度最高可达400℃，因此，对导热元件32的保温隔热措施尤为重要。本实施例通过将多孔隔热材料包覆在导热元件32的外周侧，使得导热元件32产生的热量不易向外传导扩散，进而能够最大限度地利用导热元件32产生的热量来加热空气，从而可以利用热空气来更好地雾化烟杯50内的烟制品，以提高吸食口感。
可选的，多孔隔热材料可以为玻璃纤维、气凝胶或隔热棉等材料。由于多孔材料本身含有空隙，其空隙内的空气或惰性气体的导热系数较低，因而可以有效降低通过热传导方式损失的热量。当然，第一隔热体61还可以包括其他隔热材料，本申请对此不作限定。
在本实施例中，多孔隔热材料为玻璃纤维。由于玻璃纤维拥有较好的耐热性、较低的导热率以及较好的阻燃性，且玻璃纤维是无毒无害、高温下无异味的材料，因而选用玻璃纤维为隔热材料，在达到较佳隔热效果的同时，对环境无污染，且不会影响吸食口感。
进一步的，由于烟杯50的温度会影响壳体12的温度，本实施例通过将多孔隔热材料包覆在烟杯50的外周侧，一方面，减少了烟杯50中的热量损失，能够使得烟杯中的热空气更好地加热烟制品；另一方面，降低了壳体12的温度，从而保证了发烟装置使用时的舒适手感。
在本实施例中，第一热反射体62为热反射膜。具体的，该热反射膜可以为金属薄片，该金属薄片的材料可以包括铝、金、银、镍等具有热反射性能的金属；或者，上述热反射膜也可以为镀有金属材料的聚酯、聚酰亚胺薄膜等能够将能够反射辐射热能的膜材，本实施例对热反射膜的材料不作具体限定。
需要说明的是，本实施例仅以热反射膜为金属薄片为例进行说明，但并不限于此。
具体的，在本实施例中，上述金属薄片为铝箔。具体的，该铝箔为铝箔卷材。铝箔卷材包覆在多孔隔热材料的外周侧。
铝箔具有良好的延展性，且自身热阻较小，对辐射热能的吸收率较低，此外，由于铝箔表面光滑，因而能够将80%~95%的热能反射至第一隔热体61上。故而，本实施例通过多孔隔热材料和铝箔的配合使用，能够大大降低导热元件32中的热量损失，从而进一步提升导热元件32的工作效率。此外，上述设置进一步降低了烟杯50中的热量损失，从而进一步提升了发烟装置使用时的舒适感。
在一些实施例中，第一热反射体62还可以为经表面处理形成的热反射部。该热反射结构包覆在多孔隔热材料的外周侧。具体的，可以通过物理或化学方法形成具有热反射效果的热反射部，如，通过对待形成的热反射部表面进行抛光处理，使得热发射部表面光滑，从而起到反射辐射热能的作用；或者，也可以采用物理气相沉积工艺、化学气相沉积工艺或电镀工艺在待形成的热反射部表面形成一层具有反射辐射热能的薄膜，如可以为铝、银、铜等金属薄膜，也可以为聚酯或聚酰亚胺等非金属薄膜，等等。
需要说明的是，本申请对上述待形成的热反射部的材料不作具体限定，只要通过表面处理得到的热反射部具有反射辐射热能的效果，均在本申请的保护范围内。
在本实施例中，由于导热元件32的端部321与支撑件20中的固定部23相接触，因此，为了防止导热元件32中的热量沿固定部23传递至承载台21上，第一隔热体61还设置于壳体12于支撑件20之间，从而可以进一步降低导热元件32中的热量损失。
请参阅图8（a），与图7所对应的实施例的不同之处在于，在一些实施例中，第一隔热体61为隔热罩。隔热罩套设在导热元件32和烟杯50的外周侧。当第一热反射体为热反射膜时，热反射膜贴附在隔热罩的外周壁上。其中，隔热罩的材料可以包括玻璃纤维、气凝胶等，在此不再赘述。
请一并参照图8（b）和图8（c）。在图7及图8（a）所对应的实施例的基础上，在一些实施例中，加热模组300还包括第三隔热体80，分别如图8（b）和图8（c）所示。第三隔热体80套设在第一隔热组件60和第二隔热组件70的外周侧。其中，第三隔热体80可以为真空管。由于真空管可以起到进一步的隔热作用，故而，该设置可以进一步降低壳体12的温度，从而进一步提高发烟装置使用时的舒适感。具体的，在实验研究中发现，通过真空管的设置可以将壳体12的温度控制在40℃以下。
需要说明的是，在上述各实施例中，均以第二隔热组件70与第一隔热组件60一体成型为例进行说明，其中，第二隔热体71的结构及材料可以参照第一隔热体61的描述，第二热反射体72的结构及材料可以参照第一热反射体62的阐述，在此不再赘述。
请继续参阅图9，在一些实施例中，第一隔热腔N1位于壳体12与加热组件30之间以及底座11与加热组件30之间，换句话说，第一隔热组件60设置于壳体12与加热组件30之间以及底座11与加热组件30之间。
具体的，第一隔热腔N1包括第一子隔热腔n1和第二子隔热腔n2。第一子隔热腔n1位于壳体12与导热元件32之间。第二子隔热腔n2位于支撑件20与导热元件32之间。其中，第一子隔热腔n1与第二子隔热腔n2连通设置。
第一隔热组件60包括隔热材料61和铝箔62。隔热材料61填充在第一子隔热腔n1以及第二子隔热腔n2内。隔热材料61为多孔隔热材料。铝箔62包覆于隔热材料61位于第一子隔热腔n1内的部分。
上述设置可以同时降低导热元件32的热量传递至外壳12及底座11上的几率，也即，减少了导热元件32侧部及底部的热量损失，进而可以最大程度提高加热组件30的工作效率，以使加热组件30内部的空气能够被充分加热。另外，在另一些实施例中，第一隔热腔N1还可以仅位于底座11与加热组件30之间。第一隔热组件60设置于第一隔热腔N1内，换句话说，第一隔热组件60仅设置于底座11与加热组件30之间，在此不再赘述。
请一并参照图3、图4和图10，在本实施例中，连接件40包括基台41和围绕基台41外周间隔设置的多个第一连接部42。多个第一连接部42设置于基台41靠近烟杯50的一端的内周沿上。
其中，多个第一连接部42沿基台41的圆周方向均匀且间隔设置。第一连接部42延伸至烟杯50内部，并用于将烟杯50固定在基台41上。此外，第一连接部42还可以用于调节烟杯50内的烟制品与加热组件30的距离，以控制烟制品的加热温度。本申请不限定第一连接部42的形状，其可以为棱柱，也可以为圆柱状，且本申请也不限定第一连接部42固定烟杯50的方式。
在本实施例中，第一连接部42包括与烟杯50内壁平行的第一表面421a，第一表面421a与烟杯50内壁抵接，烟杯50的底壁与基台41的上表面共同形成一台阶状的固定部，烟杯50固定于该固定部上。在其他实施方式中，例如，也可以在第一连接部42表面设置凸块，烟杯50中开设有凹部，通过第一连接部42表面的凸块与烟杯50中的凹部相嵌合，以将第一连接部42与烟杯50进行固定。
在本实施例中，连接件40上还设置有限位槽43，导热元件32的端部抵接于限位槽43中，用以限定导热元件32的位置。其中，限位槽43可以开设于第一连接部42上。具体的，限位槽43可以开设于第一连接部42朝内一侧。限位槽43也可以包括第一限位表面431和第二限位表面432。第一限位表面431和第二限位表面432大致垂直。第一限位表面431与导热元件32的顶面平行并抵接，第二限位表面432与导热元件32的周侧面平行并抵接。
请继续参考图11（a），在本申请的一些实施例中，限位槽43也可以开设于基台41上。第一限位表面431和第二限位表面432位于基台41远离第一连接部42的一侧。
请参考图11（b）至11（d），在本申请的另一些实施例中，基台41靠近导热元件32的一侧设置有多个第二连接部44，如图11（b）所示。多个第二连接部44围绕基台41的周缘设置。本申请不限定第二连接部44的形状，其可以为棱柱，也可以为圆柱状。本申请也不限定第二连接部44固定导热元件32的方式。在本实施例中，导热元件32夹设于多个第二连接部44之间。为了减少第二连接部44与导热元件32的接触面积，第二连接部44与导热元件32接触部分的长度h1不超过导热元件32的高度h2的三分之一。连接件40上还可以设置有限位槽43，请分别参考图11（b）、图11（c）和图11（d），导热元件32的端部抵接于限位槽43中，限位槽43可以开设于基台41、第一连接部42和第二连接部44中的其中一个上。限位槽43也可以包括第一限位表面431和第二限位表面432。第一限位表面431和第二限位表面432大致垂直。第一限位表面431与导热元件32的顶面平行并抵接，第二限位表面432与导热元件32的周侧面平行并抵接。
此外，连接件40的材料可以包括氧化锆、二氧化硅或陶瓷等耐高温且具有低导热系数的材料。本实施例通过将连接件40的连接端设置为柱状，使烟杯50与连接件40具有较小的接触面积，使得烟杯50通过连接件40与加热组件30的导热元件32接触，减小传导导热的热量损失，以至于传导的热量不至于太多从而影响到加热组件30的工作效率。
请继续参照图4和图6。在本实施例的加热模组300中，导热元件32的外壁上开设有导气槽32a。导气槽32a自导热元件32靠近底座11的一端延伸至导热元件32远离底座11的一端。
壳体12的外壁上设置有进气孔12a。进气孔12a设置于壳体12靠近底座11的一端，且用于连通外界空气与导气槽32a。
第一热反射体62靠近底座11的一端上设置有通气孔62a。通气孔62a与进气孔12a对应且连通设置。
在本实施例中，发热元件31释放的热量以热传导的方式传递至导热元件32上，然后，导热元件32的热量以与空气进行对流换热的方式传导到导气槽32a内的空气中，以完成加热空气的工作。
具体的，当使用者有抽吸动作时，从进气孔12a进入的外界空气进入通气孔62a内之后，再通过第一隔热体61内部的空隙进入到导气槽32a中，导热元件32的热量与导气槽32a内的空气对流，使得该部分空气被加热，被加热的空气进入到烟杯50内，并开始烘烤烟制品，使烟制品雾化产生烟雾，从而释放出尼古丁以供吸食者使用。
本实施例中加热模组300的组装方法为：首先，将烟杯50和导热元件32通过连接件40固定连接，发热元件31被放置于导热元件32的收容部32b内；接着，将组装好的上述结构固定在支撑件20上，其中，导热元件32的端部231与支撑件20固定连接；然后，将烟杯50、连接件40、导热元件32、发热元件31和支撑件20形成的整体与底座11相连接；最后，将上述组装好的结构放入壳体12中。这样，便完成了本申请实施例中加热模组300的组装。
相较于现有技术中的加热模组，本实施例的加热模组在加热组件和壳体之间形成的第一隔热腔内设置第一隔热组件，第一隔热组件包括第一隔热体和第一热反射体，第一热反射体位于第一隔热体与壳体之间。本实施例通过设置第一隔热体来降低加热组件的热量损失，以提高加热组件的工作效率，并通过在第一隔热体的外侧设置第一热反射体，由于第一热反射体能够将透过第一隔热体的辐射热能再反射至第一隔热体中，进而通过第一隔热体和第一热反射体的配合使用，能够大大降低加热组件的热量损失。此外，上述设置降低了壳体的温度，提升了发烟装置使用时的舒适感。
以上对本申请实施例进行了详细介绍，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方法及其核心思想；同时，对于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (20)

  1. 一种加热模组，用于发烟装置，其中，所述加热模组包括：
    外壳，所述外壳包括底座和壳体，所述壳体设置于所述底座上，且与所述底座之间形成一容纳腔；
    加热组件，所述加热组件设置于所述底座上，且位于所述容纳腔内，所述外壳与所述加热组件之间形成第一隔热腔；以及
    第一隔热组件，所述第一隔热组件设置于所述第一隔热腔内，所述第一隔热组件包括第一隔热体和第一热反射体，所述第一热反射体设置于所述第一隔热体与所述外壳之间；
    所述第一隔热体包括多孔隔热材料，所述多孔隔热材料填充于所述壳体与所述加热组件之间，所述第一热反射体为热反射膜或经表面处理形成的热反射部。
  2. 一种加热模组，用于发烟装置，其中，所述加热模组包括：
    外壳，所述外壳包括底座和壳体，所述壳体设置于所述底座上，且与所述底座之间形成一容纳腔；
    加热组件，所述加热组件设置于所述底座上，且位于所述容纳腔内，所述外壳与所述加热组件之间形成第一隔热腔；以及
    第一隔热组件，所述第一隔热组件设置于所述第一隔热腔内，所述第一隔热组件包括第一隔热体和第一热反射体，所述第一热反射体设置于所述第一隔热体与所述外壳之间。
  3. 根据权利要求2所述的加热模组，其中，所述第一隔热体包括多孔隔热材料，所述多孔隔热材料填充于所述壳体与所述加热组件之间。
  4. 根据权利要求3所述的加热模组，其中，所述多孔隔热材料为玻璃纤维或者气凝胶。
  5. 根据权利要求2所述的加热模组，其中，所述第一隔热体为隔热罩，所述隔热罩套设在所述加热组件的外周侧。
  6. 根据权利要求2所述的加热模组，其中，所述第一热反射体为热反射膜或经表面处理形成的热反射部。
  7. 根据权利要求6所述的加热模组，其中，所述热反射膜为金属薄片。
  8. 根据权利要求7所述的加热模组，其中，所述金属薄片为铝箔。
  9. 根据权利要求2所述的加热模组，其中，所述第一隔热腔位于所述壳体与所述加热组件之间。
  10. 根据权利要求2所述的加热模组，其中，所述第一隔热腔位于所述底座与所述加热组件之间。
  11. 根据权利要求10所述的加热模组，其中，所述第一热反射体设置于所述壳体与所述第一隔热体之间。
  12. 根据权利要求2所述的加热模组，其中，所述加热模组还包括烟杯，所述烟杯设置在所述加热组件远离所述底座的一端，且位于所述容纳腔内，所述烟杯与所述壳体之间形成第二隔热腔，所述第二隔热腔与所述第一隔热腔相通；
    所述第二隔热腔内设置有第二隔热组件，所述第二隔热组件包括第二隔热体和第二热反射体，所述第二热反射体设置于所述第二隔热体与所述壳体之间。
  13. 根据权利要求12所述的加热模组，其中，所述加热组件包括导热元件和发热元件，所述导热元件朝向所述底座的一端上设置有一收容部，所述发热元件设置于所述收容部内；
    所述导热元件的外壁上开设有导气槽，所述导气槽自所述导热元件靠近所述底座的一端延伸至所述导热元件远离所述底座的一端。
  14. 根据权利要求13所述的加热模组，其中，所述壳体的外壁上设置有进气孔，所述进气孔设置于所述壳体靠近所述底座的一端，且用于连通外界空气与所述导气槽。
  15. 根据权利要求13所述的加热模组，其中，所述加热模组还包括支撑件，所述支撑件设置在所述底座与所述导热元件之间，所述支撑件包括：
    承载台，所述承载台用于支撑所述导热元件；
    支撑柱，所述支撑柱固定在所述底座上，且与所述承载台靠近所述底座的一端相连；以及
    多个间隔设置的固定部，多个所述固定部设置于所述承载台远离所述底座的一端，多个所述固定部之间形成一容置空间，所述导热元件的端部设置于所述容置空间内。
  16. 根据权利要求13所述的加热模组，其中，所述加热模组还包括连接件，所述连接件位于所述容纳腔内，所述烟杯通过所述连接件与所述导热元件固定连接。
  17. 根据权利要求16所述的加热模组，其中，所述连接件设置在所述加热组件远离所述底座的一端，所述连接件包括基台和围绕所述基台外周间隔设置的多个第一连接部，多个所述第一连接部设置于所述基台远离所述加热组件的一端的内周沿上；
    所述第一连接部延伸至所述烟杯内部，并用于将所述烟杯固定在所述基台上。
  18. 根据权利要求17所述的加热模组，其中，所述基台靠近所述导热元件的一侧设置有多个第二连接部，多个所述第二连接部围绕所述基台的周缘设置。
  19. 根据权利要求17所述的加热模组，其中，所述基台靠近所述导热元件的一侧设置有限位槽，所述导热元件的端部抵接于所述限位槽。
  20. 一种发烟装置，其特征在于，包括权利要求2所述的加热模组。
PCT/CN2020/115922 2020-08-03 2020-09-17 加热模组及发烟装置 WO2022027800A1 (zh)

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