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WO2020087516A1 - Dispositif de chauffage pour chauffer un matériau pouvant être vaporisé et son dispositif de génération de vapeur sans combustion - Google Patents

Dispositif de chauffage pour chauffer un matériau pouvant être vaporisé et son dispositif de génération de vapeur sans combustion Download PDF

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Publication number
WO2020087516A1
WO2020087516A1 PCT/CN2018/113751 CN2018113751W WO2020087516A1 WO 2020087516 A1 WO2020087516 A1 WO 2020087516A1 CN 2018113751 W CN2018113751 W CN 2018113751W WO 2020087516 A1 WO2020087516 A1 WO 2020087516A1
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WO
WIPO (PCT)
Prior art keywords
heating
layer
heat
heater
heat insulation
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/CN2018/113751
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English (en)
Chinese (zh)
Inventor
刘秋明
向智勇
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Kimree Technology Co Ltd
Original Assignee
Kimree 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 Kimree Technology Co Ltd filed Critical Kimree Technology Co Ltd
Priority to CN201880001933.9A priority Critical patent/CN109561736A/zh
Priority to PCT/CN2018/113751 priority patent/WO2020087516A1/fr
Publication of WO2020087516A1 publication Critical patent/WO2020087516A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A24F47/008—

Definitions

  • the invention relates to the technical field of electrically heated smoking equipment, in particular to a heater for heating smokeable materials and a heating and non-burning smoking equipment.
  • heating non-burning smoking equipment as a new type of electric heating equipment, roasting tobacco far below the traditional tobacco open flame combustion temperature, can effectively reduce the harmful substances produced by traditional tobacco combustion, in order to achieve smoking It brings the purpose of healthier, has the advantages of safe and convenient use, health and environmental protection, etc., and is more and more concerned and favored by people.
  • the heat insulation part of the existing heating and non-burning smoke equipment is usually insulated in the following two ways: the first one is heat insulation using heat insulation cotton, the heat insulation effect is not ideal, and there may be a risk of user burns. And because the heat overflows outwards, the heat concentrated in the cigarettes is low, resulting in insufficient atomization; the second way is to use heat insulation plates and vacuum between the heat insulation plates to insulate, which This type of heat insulation has a large number of heat insulation boards and a large space required for vacuuming, which is easy to cause the structure of low-temperature smoke to be complicated, and the overall diameter is large, which is not easy to carry.
  • the existing heating and non-burning smoking equipment uses a heating element to provide a single heating method, which mainly uses a resistance wire for heating, and uses a uniform heating temperature to heat the cigarettes.
  • This traditional heating method mainly relies on the resistance wire after energization Self-heating, and then transfer the heat to the tobacco filler, so as to play the effect of tobacco evaporation to produce smoke, and the maximum heat utilization rate of this heating method is only about 50%, and about 50% of the heat is dissipated to the air
  • the energy loss is as high as 50% or more, and the thermal efficiency is relatively low.
  • this method has the problem that the local temperature of the cigarette is too high due to uneven heating.
  • the aroma of the cigarette is rich, but with the Cigarettes are constantly being heated, and the scent of cigarettes is getting weaker and lighter, which results in uneven scent of cigarettes in the process of smoking, which affects the user experience.
  • the present invention provides a heater for heating a smokeable material and a heating and non-burning smoke-generating device, which has a good heat insulation effect, and has a simple structure and a small volume.
  • a heater for heating smokeable materials including:
  • the heat insulation component includes a porous structure heat insulation layer.
  • the thermal insulation layer of the porous structure is made of porous ceramic material.
  • the heat insulation layer further includes a sealing layer for sealing the porous void.
  • the sealing layer is a thin glassy layer, which is impregnated on the inner surface or the outer surface of the heat insulating layer with a porous structure.
  • the thermal insulation layer further includes a shielding layer for shielding the thermal insulation layer of the porous structure from heat radiation.
  • the shielding layer is made of a light-shielding material, and is attached to the inner surface or the outer surface of the heat insulation layer of the porous structure.
  • the heat insulating layer of the porous structure includes a layer body made of porous ceramic material and shading additive particles, and the light shading additive particles are distributed in the layer body made of porous ceramic material.
  • the heat insulation layer further includes a high-reflectivity material layer disposed in the heat insulation layer of the porous structure for reflecting heat inward.
  • the heat insulation layer further includes a phase change heat absorbing material layer disposed outside the heat insulation layer of the porous structure for phase change heat absorption, a phase change heat absorption material layer, and a phase change temperature of 30 degrees or more , Less than or equal to 110 degrees.
  • the heat insulation layer further includes a high thermal conductivity material layer disposed outside the heat insulation layer of the porous structure for heat dissipation and heat conduction.
  • the heat insulation layer further includes a heat absorption material layer arranged outside the heat insulation layer of the porous structure for absorbing external heat.
  • the layer made of the porous ceramic material has a porosity greater than 50%, a thickness of 1-20 mm, a thermal conductivity of less than 1 W / m -1 K -1 , and an average pore diameter of less than 150 ⁇ m.
  • the layer made of porous ceramic material is selected from one or more of the following materials: zirconium oxide, aluminum oxide, silicon oxide, magnesium oxide, zinc oxide, niobium oxide, calcium oxide, titanium oxide, magnesium aluminate, Mullite, magnesium aluminum silicate, quartz, rare earth oxide; wherein, the rare earth oxide is selected from one or more of the following materials: lanthanum oxide, cerium oxide, praseodymium oxide, lanthanum zirconate.
  • the base material of the layer made of the shading material includes one or more of titanium dioxide, silicon carbide, boron-nitrogen compound, zirconium powder and potassium hexatitanate.
  • the porous ceramic material is made into a layer body and the shading additive particles are integrally formed, and one or more shading additive particles of titanium dioxide, silicon carbide, boron-nitrogen compound, zirconium powder and potassium hexatitanate are added to the porous ceramic material within the base material of the layered body, titanium oxide doped powder is formulated and then sintered to form, wherein the mass fraction of the base material of the shading material is less than 30%.
  • the heater further includes a heating element, which is located inside the heat insulation assembly.
  • a heating cavity formed along the axial direction of the smoking article is formed in the heating element for fixing the smoking article and heating the smoking article.
  • the heating method of the heating element is any one of resistance wire heating, electromagnetic induction heating, electric heating element heating, tubular PTC heating, heating net and peripheral heating.
  • the heating element is printed or pressed on the inner side of the heat insulation component.
  • the heating element is a heating wire
  • the heating wire is arranged in a tightly woven mesh structure
  • the heating wire of the mesh structure is independently arranged.
  • the heater also includes a heat conduction layer that fits the inner wall of the heating element without a gap, and the heat conduction layer is made of ceramic with high thermal conductivity.
  • the thickness of the heat conducting layer is 0.2mm ⁇ 2mm
  • the base material of the high thermal conductivity ceramic of the heat conducting layer includes one or more of aluminum nitride, boron nitride, silicon nitride and silicon carbide
  • the heat conducting layer The thermal conductivity is greater than 20 W / m -1 K -1 .
  • the heat insulation component and the heating element are integrally formed.
  • the heating element is electromagnetic heating, which includes: a base material layer extending in the axial direction of the smoking article and disposed in the accommodating cavity, and a heat generating layer provided in the base material layer, the base material layer includes a base layer And at least one coil layer printed in the base material layer, wherein the base layer extends along the axial direction of the smoking article, a cavity for accommodating the heat generating layer is formed in the base layer, and each coil layer includes at least one along the axis Set the induction coil around.
  • the heat insulation layer further includes a thin glass layer and a layer made of shading material, which are respectively pressed on the inner and outer surfaces or the outer and inner surfaces of the layer made of porous ceramic material.
  • a heating non-burning smoke-generating device includes an electrode assembly for providing power, a mounting assembly for connecting with the electrode assembly, and further includes: a heater for heating a smokeable material as described above. The heater is mounted on the mounting assembly.
  • the invention provides a heater for heating a smokeable material and a device for heating and non-burning smoke, which is insulated by a heat insulation component arranged outside the heating element.
  • the structure is simple, the volume is small, and the subsequent processing is convenient;
  • the heat insulation component It adopts a single-layer or two-layer or three-layer insulation layer or more layers of heat insulation to prevent heat convection, heat conduction and heat radiation. It has good heat insulation effect and effectively isolates heating
  • the heat of the heating element is kept near the heating element to heat the cigarette, to avoid heat loss, and to avoid the heat of the heating element causing burns to the user, high safety and reliability, and improving the user's satisfaction; the heating element also It can be set on the heat insulation component.
  • the heat insulation component is two or three layers
  • the heat insulation component is an integrally formed structure, so that the heating element and the heat insulation component form an integrated component, so that the heater and its heating do not burn
  • the smoking equipment is small in size, compact in structure, and easy to install; by using a porous ceramic material to make a thermal insulation layer structure composed of layers, the porous ceramic is used
  • the low thermal conductivity of the material and the micro-nano porous design can effectively isolate the heat of the heating component from the aspect of heat conduction, reduce the waste of heat, improve the heating efficiency of the heating and non-burning smoke-generating equipment, and save energy and protect the environment;
  • the layer is made of high thermal conductivity ceramic
  • the printed substrate of the heating element can solve the problem of local high temperature caused by uneven heating of the heating element.
  • FIG. 1 is a perspective view of the heater provided by the present invention.
  • FIG. 2 is a structural diagram of a heat insulation layer of a heater provided by the present invention.
  • FIG. 3 is a sectional view of the heater provided by the present invention.
  • FIG. 4 is a cross-sectional view of the heater provided by the present invention after the layers are combined;
  • FIG. 5 is an assembly diagram of a heating non-burning smoking device provided by the present invention.
  • FIG. 6 is an exploded view 1 of some components in FIG. 5;
  • FIG. 7 is an exploded view 2 of some components in FIG. 5;
  • FIG. 8 is a cross-sectional view of another heater provided by the present invention.
  • FIG. 9 is a cross-sectional view of another heater provided by the present invention.
  • the heating non-burning smoking device in the present invention includes a heater for heating the smoking article to form an aerosol.
  • the heating and non-burning smoking device in the present invention further includes an electrode assembly 100 for connecting to a power source to provide electrical energy for the heater.
  • the heating and non-burning smoking device in the present invention further includes a mounting assembly 800, which is connected to the electrode assembly 100 to complete the assembly function of the electrode assembly 100 and the heater.
  • the heater in the present invention includes a heating element 300 and a heat insulation assembly 400, wherein a heating cavity 301 provided along the axial direction of the smoking article is formed in the heating element 300 for clamping Hold smoking products and heat the smoking products.
  • the heat insulation assembly 400 includes at least one heat insulation layer 410 covering the heating element 300, and the heat insulation layer 410 includes a layer 411 made of porous ceramic material and a layer made of porous ceramic material 411 is used to prevent conductive heat transfer of the heating element 300.
  • the heat insulation layer 410 further includes a thin glass layer 412 impregnated on the layer 411 made of porous ceramic material, and the thin glass layer 412 is used to prevent convection heat transfer of the heating element 300.
  • the heat insulation layer 410 further includes a layer 413 made of a light-shielding material that fits the thin glass layer 412 without a gap, and the layer 413 made of a light-shielding material is used to prevent the radiant heat transfer of the heating element 300.
  • the heat-insulating layer 410 further includes a high-reflectivity material layer disposed in the layer 411 made of porous ceramic material for reflecting the heat of the heating element 300 inward, so that the heat outside the layer 411 made of porous ceramic material is reduced Small, to achieve the effect of heat insulation; among them, the reflectivity of high-reflectivity materials is greater than or equal to 80%.
  • the heat insulation layer 410 further includes a phase change heat absorbing material layer disposed outside the layer 411 made of porous ceramic material, the phase change temperature is greater than or equal to 30 degrees, and less than or equal to 110 degrees, further enabling the heat insulation layer to dissipate internal heat Cut off from the outside world.
  • the heat insulation layer 410 further includes a high thermal conductivity material layer disposed outside the layer 411 made of porous ceramic material, which dissipates heat quickly and releases it uniformly, without generating heat accumulation, avoiding local high temperature, and protecting the heat insulation layer .
  • the heat-insulating layer 410 further includes a heat-absorbing material layer disposed outside the layer 411 made of porous ceramic material to absorb the external heat of the heat-insulating layer, thereby achieving the effect of heat insulation.
  • the heat-absorbing material may be a material such as a black material that absorbs the heat of photons.
  • the thickness of the porous ceramic material layer 411 is 1 mm to 20 mm
  • the thickness of the glassy thin layer 412 is 0.01 mm to 1 mm
  • the thickness of the shading material layer 413 is 0.01 mm to 1 mm
  • the porous ceramic material is made of
  • the layer 411, the thin glass layer 412 and the layer 413 made of shading material can be calcined with the heating element 300 into an integrated structure at a certain temperature.
  • the thermal insulation layer structure provided by the present invention is greatly Simplified, small in size, and easy to process.
  • the present invention can effectively isolate the heat of the heating component from the aspects of anti-conduction, convection and radiation, and at the same time can reduce the waste of heat energy of the heating component, and the structure is also greatly simplified .
  • the heating element 300 is provided on the inner wall of the integrally formed heat insulation assembly 400, such that
  • the structure makes the heat insulation assembly 400 and the heating element 300 form an inseparable whole, which is a compact, compact and integral component, which is easy to install and replace, and has excellent heat insulation effect and heating effect.
  • the heat insulation assembly 400 and the heating element 300 can also be integrally formed, making the structure simpler.
  • the thin glass layer 412 can be impregnated on the inner surface or outer surface of the layer 411 made of porous ceramic material, and the layer 413 made of shading material can be pressed on the inner surface or outer surface of the layer 411 made of porous ceramic material. Or, the layer 413 made of shading material can be pressed on the outer surface of the thin glass layer 412, in short, the present invention does not limit the composition order of the layer made of porous ceramic material, the thin glass layer and the layer made of shading material It can be set by pressing, coating, dipping, etc., all of which can achieve the technical effect of effectively isolating the heating element heat, which will not be repeated here.
  • the base material of the porous ceramic material layer 411 includes zirconia, alumina, silica, magnesia, zinc oxide, lanthanum oxide, niobium oxide, praseodymium oxide, cerium oxide, calcium oxide, titanium oxide , One or more of lanthanum zirconate, magnesium aluminate, mullite, magnesium aluminum silicate and quartz, the firing process is designed to control the average pore size of the porous ceramic material layer 411 to be less than 150 ⁇ m, porosity If it is greater than 50%, the thermal conductivity of the layer 411 made of porous ceramic material is lower than 1 W / m -1 K -1 .
  • the layer 411 made of porous ceramic material adopts a ceramic material with low thermal conductivity and a micro-nano porous design, therefore, the heat of the heating element can be effectively isolated from the aspect of conduction heat transfer.
  • the base material of the layer 411 made of porous ceramic material includes lanthanum zirconate, so that the layer 411 made of porous ceramic material has the characteristics of high melting point of lanthanum zirconate, stable phase structure, low thermal conductivity, etc.
  • zirconium oxide, magnesium oxide, aluminum oxide, zinc oxide, titanium oxide and other metal components can make the porous ceramic material layer 411 to better buffer the stress deformation caused by thermal expansion and contraction, Effectively prolong the service life of the ceramic heat insulation component; and the base material of the layer 411 made of porous ceramic material contains a small amount of rare earth oxide, because the rare earth oxide has a large volume of glass network structure, its migration resistance in the structure is large And hinder the migration of other particles, inhibit the growth of grains during the firing of ceramics, and help to form dense structures.
  • the relative density, strength, and fracture toughness of ceramic layers are significantly improved.
  • the thin glass layer 412 is a glaze impregnated on the inner or outer surface of the layer 411 made of porous ceramic material. After being calcined at a certain temperature, the glaze is firmly covered on the layer 411 made of porous ceramic material, so that it can be made of porous ceramic material. The pore surface of the layer 411 is sealed, so the thin glass layer 412 can prevent the convective heat transfer caused by the air flowing through the micro channels inside the porous ceramic, and further isolate the heat of the heating element.
  • the base material of the layer 413 made of the shading material includes one or more of titanium dioxide, silicon carbide, boron-nitrogen compounds, zirconium powder and potassium hexatitanate, so that the layer 413 made of the shading material has good ultraviolet shielding of titanium dioxide Performance, at the same time, it has the characteristics of high infrared reflectance of potassium titanate and extremely low thermal conductivity at high temperature. Therefore, the layer 413 made of a light-shielding material can further isolate the heat of the heating element in terms of preventing heat radiation.
  • the base material of the layer made of the shading material can be directly added to the base material of the layer made of the porous ceramic material to form a doped powder, and then sintered into a porous mixed ceramic layer, the mixed porous ceramic
  • the material-made layer can realize the technical effect of isolating the heat of the heating component from the aspects of preventing conduction heat transfer and radiation heat transfer, and the double-layer structure is more simple and practical.
  • the layer made of porous ceramic material and the shading material can be laminated into one layer, which further simplifies the structure.
  • the heat insulation layer 410 includes only a layer 411 made of porous ceramic material and a thin glass layer 412 brushed on the inner wall or outer wall of the layer 411 made of porous ceramic material. Cancel the shading material made layer 413.
  • the base materials of the layer 413 made of the shading material titanium dioxide, silicon carbide, boron-nitrogen compounds, zirconium powder and potassium hexatitanate, to the base material of the layer 411 made of the porous ceramic material
  • the titanium oxide doped powder is then sintered into a layer made of mixed porous ceramic material (for the sake of illustration, the layer 411 made of porous ceramic material is divided into a layered body 4110 made of porous ceramic material and shading additive particles 1211), where The mass fraction of the base material of the shading material is less than 30%.
  • the base material of the layer made of the mixed porous ceramic material includes zirconia, alumina, silica, magnesium oxide, zinc oxide, lanthanum oxide, niobium oxide, One of praseodymium oxide, cerium oxide, calcium oxide, titanium oxide, lanthanum zirconate, magnesium aluminate, mullite, magnesium aluminum silicate, quartz, silicon carbide, boron nitrogen compounds, zirconium powder and potassium hexatitanate Or more.
  • the heater further includes a first heat insulating tube 420 and a second heat insulating tube 420 spaced apart from the heat insulating layer 410 Insulation tube 430.
  • the first heat insulation tubes 420 are spaced apart from the heat insulation layer 410, and the first heat insulation tube 420 and the heat insulation layer 410 are enclosed to form a first heat insulation cavity 441; Outside a heat insulation tube 420, a second heat insulation cavity 442 is enclosed between the second heat insulation tube 430 and the first heat insulation tube 420, and the first heat insulation cavity 441 and the second heat insulation cavity 442 communicate with each other to form a gas flow aisle.
  • the mounting assembly 800 includes a housing assembly 200 having an accommodating cavity therein, a support base 600 installed in the housing assembly 200, and a first fixing base 500 mounted on the support base 600, the first The heat-insulating tube 420 and the second heat-insulating tube 430 extend in the axial direction and are arranged in the accommodating cavity of the housing assembly 200; the first fixing seat 500 is arranged in a ring shape, one end abuts the support base 600, and the other end opens There is a first fixing seat installation groove 510 with an opening facing the heat insulation layer 410, and the first fixing seat installation groove 510 is used for inserting the heating assembly 300 and the heat insulation layer 410.
  • the area of the first fixing seat 500 in the first fixing seat mounting groove 510 extends toward the heating cavity to resist the inserted smoking article.
  • the first fixing base 500 is fixedly installed on the support base 600, or the first fixing base 500 and the support base 600 may be integrally formed.
  • the support base 600 includes a first support portion 610 and a second support portion 620 that is convexly disposed on the first support portion 610.
  • the first support portion 610 and the second support portion 620 are both cylindrical and Integrally formed, the radius of the second support portion 620 is smaller than that of the first support portion 610.
  • the first support portion 610 is provided with four radially extending vent grooves 611, and each vent groove 611 is integrally formed with a heat pipe mounting portion 612 extending circumferentially along the first heat pipe 420,
  • the heat pipe mounting portion 612 is used to divide the corresponding vent groove 611 into an outer vent groove 613 and an inner vent groove 614, and the contact ends of the four inner vent grooves 614 communicate with each other.
  • the first heat dissipation tube 420 extends toward each heat dissipation tube mounting portion 612 and is provided with a heat dissipation tube engagement portion 421.
  • the heat dissipation tube engagement portion 421 is engaged with the heat dissipation tube installation portion 612 to connect the first heat dissipation tube 420 is detachably mounted on the first support part 610.
  • each of the outer ventilation grooves 613 communicates with the second heat insulation cavity 442.
  • the housing assembly 200 is respectively provided with a vent hole 630 corresponding to the position of each of the outer vent grooves 613.
  • the outer vent groove 613 communicates with the second heat insulation cavity 442 and the vent hole 630, each One end of the inner ventilation groove 614 communicates with the first heat insulation cavity 441, and the other end of each inner ventilation groove 614 communicates with the inner cavity of the heating element 300 via the first fixing seat 500 for forming the ventilation hole 630 ,
  • the outer ventilation groove 613, the second heat insulation cavity 442, the first heat insulation cavity 441, the inner air ventilation groove 614 and the inner cavity of the heating element 300 communicate with each other to further strengthen the heat insulation component Insulation effect.
  • a second fixing base 431 is radially extended at an end of the second heat insulating tube 430 away from the electrode assembly 100, and a side wall of the second fixing base 431 abuts the heat insulating layer 410; the second fixing base 431
  • a second fixing seat limiting portion 432 is radially extended at an end away from the electrode assembly 100, and a side wall of the second fixing seat limiting portion 432 abuts against the inserted smoking article, the second heat insulation tube 430, the second The fixing seat 431 and the second fixing seat limiting portion 432 are integrally formed.
  • both ends of the heating element 300 and the heat insulation layer 410 abut the first fixing seat mounting groove 510 and the second fixing seat limit portion 432, respectively, so that they can be firmly installed in the housing assembly In 200, the smoker can also clean the inside of the heating cavity by disassembling.
  • the electrode assembly 100 includes an inner electrode 110, an outer electrode 120, and an insulating sleeve 140.
  • the outer electrode 120 is sleeved on the second support portion 620, and the diameter of the end of the outer electrode 120 away from the second support portion 620 is reduced.
  • the electrode mounting portion 130 is formed, and the internal electrode 110 is inserted into the electrode mounting portion 130; the insulating sleeve 140 is spaced between the internal electrode 110 and the electrode mounting portion 130 to realize the electricity between the internal electrode 110 and the external electrode 120 Sexual insulation.
  • the structure design of the electrode assembly 100 in this embodiment is ingenious, which greatly improves the compactness of the internal structure of the heater.
  • a plurality of silicone rings 150 are sleeved on the outer electrode 120, and the side walls of the silicone ring 150 abut the outer electrode 120 and the housing assembly 200, respectively, so as to achieve a sealed connection between the outer electrode 120 and the housing assembly 200.
  • the housing assembly 200 includes a first housing 210 and a second housing 220 detachably connected to the first housing 210.
  • the first housing 210 is bent inward away from the open end of the second housing 220 to form a housing support
  • the tube 211 and the housing support tube 211 extend axially and abut against the first fixing seat 500.
  • the housing support tube 211 and the heating element 300 communicate with each other to form a smoke passage for accommodating smoking articles.
  • An end of the first housing 210 near the second housing 220 is radially bent to form a limit ring 212, and the limit ring 212 abuts the outer surface of the second heat insulation tube 430.
  • An end of the second housing 220 close to the first housing 210 is provided with a second housing limiting portion that abuts the limiting ring 212 and along the second housing limiting portion toward the outside of the first housing 210
  • a second shell connecting portion extending on the surface, the inner peripheral wall of the second shell connecting portion is provided with an internal thread
  • the first shell 210 is provided with a position corresponding to the second shell connecting portion to cooperate with the internal thread External threads to achieve the detachable threaded connection of the first housing 210 and the second housing 220.
  • the housing assembly 200 further includes a third housing 230 sleeved around the external electrode 120, one end of the third housing 230 abuts against the second housing 220, the other end is flush with the end surface of the external electrode 120, and the third housing 230
  • the outer surface of the is provided with patterns to enhance the grip.
  • the heater in FIG. 8 further includes a heat conduction layer 700 that fits the inner wall of the heating element 300 without a gap.
  • the heat conduction layer 700 is made of a ceramic with high thermal conductivity, which is used to The heat is evenly transmitted to the outer surface of the smoking product to avoid the problem of local high temperature caused by uneven heating of the heating wire;
  • the heating element 300 is a heating wire printed on the thermal conductive layer 700 around the circumferential direction of the thermal conductive layer 700, the thermal conductive layer
  • the thickness of 700 is 0.2 mm to 2 mm.
  • the base material of the high thermal conductivity ceramics that make the thermal conductive layer 700 includes one or more of aluminum nitride, boron nitride, silicon nitride, and silicon carbide.
  • aluminum nitride, boron nitride, and silicon nitride all have good thermal conductivity, making the thermal conductivity of the thermal conductive layer 700 greater than 20W / m -1 K -1 , which is 7-9 times higher than that of ordinary thermal conductive materials, so The heat of the heating wire is quickly diffused and evenly transmitted to the outer surface of the smoking product.
  • the housing assembly 200 is provided with a vent hole 630 corresponding to the position of each outer vent groove 613, the outer vent groove 613 communicates with the second heat insulation cavity 442 and the vent hole 630, and one end of each inner vent groove 614 communicates with the first partition In the thermal cavity 441, the other end of each inner vent groove 614 communicates with the inner cavity of the thermal conductive layer 700 through the first fixing seat 500, and is used to form the vent hole 630, the outer vent groove 613, the second heat insulation cavity 442, the first An insulating cavity 441, the inner ventilation groove 614 and the inner cavity of the thermal conductive layer 700 (or the inner cavity of the heater) communicate with each other to further enhance the insulation effect of the insulation component.
  • the two ends of the heat conductive layer 700 and the heat insulating layer 410 abut the first fixing seat mounting groove 510 and the second fixing seat limiting portion 432 respectively, so that they can be stably installed in the housing assembly 200
  • the smoker can also clean the inside of the thermal conductive layer by disassembling.
  • the heating element 300 provided by the present invention includes, but is not limited to, resistance wire heating, electromagnetic induction heating, and electric heating element heating.
  • the heating element 300 is a heating wire printed axially on the inner wall of the heat insulation layer 410, and the heating wire has a first heating wire connection pin corresponding to the inner electrode 110 and the outer electrode 120 at both ends and The second heating wire connection pin is used to connect the power supply to heat the smoking product.
  • the heating wire can also be arranged in a tightly woven mesh structure, and the heating wire of the mesh structure can be set independently without printing on the inner wall of the heat insulation layer.
  • the heating element 300 may be a tubular PTC heating element, which is pressed and formed into an integrated structure in the heat insulation layer 410, so as to reduce the difficulty of assembly and make full use of the advantages of the PTC heating element with low thermal resistance and high heat exchange efficiency, the same
  • the PTC heating element has a first PTC connection pin and a second PTC connection pin respectively corresponding to the inner electrode 110 and the outer electrode 120, and is used to turn on the power to heat the cigarette.
  • the heating element 300 may also be a central heating element, that is, the smoking product is inserted outside the heating element for heating.
  • the heating element may also be a printed circuit board printed on the inner wall of the heat insulation layer, or a hollow tube, electromagnetic The combination of heating, heating wire, heating net and peripheral heating elements, etc. are not limited here.
  • FIG. 9 shows a heater structure in which the heating element 300 provided by the present invention is electromagnetically heated.
  • the heating element 300 includes a base material layer 20 extending in the axial direction of the smoking article and disposed in the accommodating cavity, and a heat generating layer 30 provided in the base material layer 20.
  • the base material layer 20 includes a base layer 23 and at least one coil layer 21 printed in the base material layer 20.
  • the base layer 23 extends along the axial direction of the smoking article 1000, and a cavity for accommodating the heat generating layer 30 is formed in the base layer 23.
  • Each coil layer 21 includes at least one induction coil circumferentially arranged in the axial direction.
  • the heat insulation component 400 covers the outer surface of the base material layer 20 and is used to isolate the heat generated by the heat generating layer 30.
  • the thickness of the base material layer 20 is 2mm-8mm; the thickness of the heating layer 30 is 0.1mm-1.0mm, which greatly simplifies the electromagnetic heating structure, and has a small volume, which is convenient for processing.
  • the number of coil layers 21 is one layer.
  • the axial distance between two adjacent induction coils in the coil layer 21 is 0.5mm-1mm, so as to solve the problem of high intermediate temperature and low temperature at both ends of the heating layer during the induction heating process, and to ensure the uniformity of the axial temperature of the heating layer 30 .
  • the base layer 23 is a high thermal conductivity ceramic layer, which is made of one or more materials of aluminum nitride, boron nitride, silicon nitride, and silicon carbide.
  • the heat generating layer 30 is disposed in the base material layer 20.
  • the heat generating layer 30 uses a metal tube.
  • the outer surface of the heat generating layer 30 fits the inner surface of the base material layer 20 without a gap, and the inner wall of the heat generating layer 30 is The outer peripheral surfaces of smoking products are in opposition.
  • the heating layer 30 generates an eddy current under the action of the electromagnetic field generated by the induction coil to generate heat in sections, thereby generating heat in sections.
  • the heat generating layer 30, the base material layer 20 and the heat insulation component 400 are integrally formed, which simplifies the electromagnetic heating structure, realizes the integral molding of the heating element and the heat insulation component, the obtained heater has a small volume, and is convenient for processing and manufacturing.
  • the number of coil layers 21 printed in the base material layer 20 is not limited to one layer, and it may also have a multi-layer coil layer structure.
  • the heater of the present invention can control electric energy to be transmitted to the induction coil in a certain order, thereby controlling the heating layer 30 to generate heat in sections.
  • the smoke flavor of the smoking product gradually becomes lighter.
  • the power supply assembly controls electric energy to be transmitted to another of the induction coils to another segment of the cigarette. The heating is performed so that the smoke flavor is uniform during the process of smoking the smoking product of the user, and the defect that the smoke flavor gradually fades from rich during the smoking process is avoided.
  • the base material layer 20 and the heat insulation component 400 are integrally formed, and the heat generating layer 30 is a metal layer coated on the outer surface of the cigarette, when a smoking article with the metal layer is inserted into the electromagnetic heating device
  • the electromagnetic field generated by the induction coil can also make the metal layer generate heat, thereby heating the smoking products. In this way, the heating of the smoking product is more direct, and because the smoking product heats itself, the number of times the device cleans soot can be significantly reduced.
  • the heat insulation component of the present invention provides various forms, such as one or more layers or material components or the addition of heat insulation tubes, etc. These characteristics can be all of the above Including any combination of two or three or four or more layers, the heating element also provides a variety of forms (such as adding a thermally conductive layer, segmented heating or different heating methods, etc.), in forming the heater Can be combined with any smoking device in any combination of functions, that is, the heater and smoking device in the present invention can be a superposition of many types of functions disclosed in the present invention, and even more times superimposed, forming a more diverse and more functional The perfect heater and smoking equipment will not be repeated because of space limitations.
  • the invention provides a heater for heating a smokeable material and a device for heating and non-burning smoke, which is insulated by a heat insulation component arranged outside the heating element.
  • the structure is simple, the volume is small, and the subsequent processing is convenient; the heat insulation component It adopts a single-layer or two-layer or three-layer insulation layer or more layers of heat insulation to prevent heat convection, heat conduction and / or heat radiation.
  • the heating element has good heat insulation effect and effectively isolates
  • the heat of the heating element is saved, and the heat of the heating element is stored near the heating element to heat the smoking product to avoid heat loss, and at the same time to prevent the heat of the heating element from causing burns to the user, high safety and reliability, and improving user satisfaction;
  • the heating element can also be arranged on the heat insulation component.
  • the heat insulation component is an integrally formed structure, so that the heating element and the heat insulation component form an integral part, so that the heater and its
  • the heating and non-burning smoke-generating equipment is small in size, compact in structure, and easy to install; by using a porous ceramic material to make a heat-insulating layer structure composed of layers
  • the low thermal conductivity of the porous ceramic material and the micro-nano porous design can effectively isolate the heat of the heating component from the aspect of heat conduction, reduce the heat waste, improve the heating efficiency of the smoking equipment, save energy and protect the environment; use a layer made of high thermal conductivity ceramic for heating
  • the printed substrate of the piece can solve the problem of excessively high local temperature caused by uneven heating of the heating element.
  • the invention provides a heater for heating a smokeable material and a heating non-burning smoking device, which can effectively insulate heat, make the heater heat be fully utilized, reduce waste, and improve the heating efficiency of the smoking device.

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  • Resistance Heating (AREA)

Abstract

L'invention concerne un dispositif de chauffage pour chauffer un matériau pouvant être vaporisé et son dispositif de génération de vapeur sans combustion. Le dispositif de chauffage comprend : un élément chauffant (300) pour chauffer un produit générateur de vapeur ; et un ensemble d'isolation thermique (400) agencé à l'extérieur de l'élément chauffant (300), l'ensemble d'isolation thermique (400) comprenant une couche d'isolation thermique (410) ayant une structure poreuse. L'isolation thermique est effectuée entre le dispositif de chauffage et le dispositif de génération de vapeur au moyen de l'ensemble d'isolation thermique (400) agencé à l'extérieur du dispositif de chauffage (300), sa structure est simple, et le volume du dispositif de chauffage est faible. L'ensemble d'isolation thermique (400) réalise une isolation thermique selon trois aspects, c'est-à-dire en empêchant la convection thermique, la conduction thermique et le rayonnement thermique au moyen d'une ou de deux ou de trois couches d'isolation thermique ou plus (410), et a un effet d'isolation thermique important, et isole efficacement la chaleur du dispositif de chauffage (300).
PCT/CN2018/113751 2018-11-02 2018-11-02 Dispositif de chauffage pour chauffer un matériau pouvant être vaporisé et son dispositif de génération de vapeur sans combustion Ceased WO2020087516A1 (fr)

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CN201880001933.9A CN109561736A (zh) 2018-11-02 2018-11-02 一种加热可抽吸材料的加热器及其加热不燃烧发烟设备
PCT/CN2018/113751 WO2020087516A1 (fr) 2018-11-02 2018-11-02 Dispositif de chauffage pour chauffer un matériau pouvant être vaporisé et son dispositif de génération de vapeur sans combustion

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