WO2017193958A1 - 针式加热器、其制备方法及带针式加热器的电加热卷烟 - Google Patents

针式加热器、其制备方法及带针式加热器的电加热卷烟 Download PDF

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Publication number
WO2017193958A1
WO2017193958A1 PCT/CN2017/083973 CN2017083973W WO2017193958A1 WO 2017193958 A1 WO2017193958 A1 WO 2017193958A1 CN 2017083973 W CN2017083973 W CN 2017083973W WO 2017193958 A1 WO2017193958 A1 WO 2017193958A1
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WO
WIPO (PCT)
Prior art keywords
heater
needle
heating
electrode
alumina
Prior art date
Application number
PCT/CN2017/083973
Other languages
English (en)
French (fr)
Inventor
刘华臣
陈义坤
董爱君
柯炜昌
刘冰
罗诚浩
邓腾飞
Original Assignee
湖北中烟工业有限责任公司
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
Priority claimed from CN201610310575.2A external-priority patent/CN105831812A/zh
Priority claimed from CN201710024509.3A external-priority patent/CN106714342B/zh
Priority to RU2018139165A priority Critical patent/RU2698847C1/ru
Priority to JP2018553379A priority patent/JP6811786B2/ja
Priority to AU2017262924A priority patent/AU2017262924B2/en
Priority to EP17795576.2A priority patent/EP3456213B1/en
Application filed by 湖北中烟工业有限责任公司 filed Critical 湖北中烟工业有限责任公司
Priority to KR1020187029786A priority patent/KR102200741B1/ko
Priority to US16/350,400 priority patent/US11350668B2/en
Priority to PL17795576T priority patent/PL3456213T3/pl
Priority to CA3021035A priority patent/CA3021035C/en
Publication of WO2017193958A1 publication Critical patent/WO2017193958A1/zh
Priority to PH12018550185A priority patent/PH12018550185A1/en

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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
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B13/00—Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff
    • A24B13/02—Flakes or shreds of tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/14—Tobacco cartridges for pipes
    • 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
    • A24F40/70—Manufacture
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00—Smokers' requisites not otherwise provided for
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F7/00—Mouthpieces for pipes; Mouthpieces for cigar or cigarette holders
    • A24F7/02—Mouthpieces for pipes; Mouthpieces for cigar or cigarette holders with detachable connecting members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/04—Waterproof or air-tight seals for heaters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/013—Heaters using resistive films or coatings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/022—Heaters specially adapted for heating gaseous material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49083—Heater type

Definitions

  • the invention relates to the field of novel cigarette technology, in particular to a needle heater, a preparation method thereof and an electric heating cigarette with a needle heater.
  • Cigarette burning generally needs to reach above 800 ° C, and various gas products and distillates produced by combustion are released from the tobacco.
  • the flavor and fragrance added to the tobacco product are burned and decomposed as the cigarette is burned, destroying the original quality of the flavor and fragrance.
  • the tobacco is specially treated and then heated by means of a heater.
  • the heater of the electric heating product on the market adopts a chip heater, and the heated cigarette is arranged in a longitudinal order. The way, but the heater can not be directly inserted into the traditional cigarette cigarette.
  • the prior art heats the cigarette by external heating instead of the new cigarette which is burned by the tobacco itself, and by heating the tobacco product to the atomization temperature, the effect of generating smoke is achieved, and the harmfulness of the combustion of the cigarette can be significantly reduced. Substance to reduce the harm of secondhand smoke to non-smokers.
  • the heater heating the tobacco product for example, the cartridge
  • the tobacco product can only heat one end or the outer wall, and the tobacco product, especially the inner tobacco, cannot be effectively heated, and the heating is strong due to insufficient heating.
  • Some tobacco residues are difficult to clean; in addition, it is not easy to insert tobacco products into the heating chamber, and it is not convenient to clean them when there is residual tobacco.
  • the invention solves the deficiencies of the prior art, and provides a needle heater, a preparation method thereof and an electric heating cigarette with a needle heater, wherein the end and the inside of the tobacco product can be fully heated by the needle heater. Moreover, it is more convenient to insert the tobacco product into the heating chamber, and it is also convenient to replace the tobacco product, which is more convenient to use.
  • a needle heater comprises a needle heating body and a heating element
  • the needle heating body comprises a cone cap and a heater base connected to the bottom of the cone cap, and the heating element is coated by printing
  • the method is attached to the heater base.
  • the cone cap is a cone, a triangular cone or a Mitsubishi cone
  • the heater base corresponds to a cylinder, an elliptical cylinder, a triangular prism or a Mitsubishi column.
  • an electrode is provided at the tail of the heater base, and the electrode is connected to the battery and the control board through the electrode connection.
  • a method for preparing a pin heater comprising the steps of:
  • Ploughing the mud take out the mixed powder, add 3-10% of the total mass of the lubricant, add 15-20% of the total mass of the raw materials, stir evenly, mix well, remove the stirred mud Material, put into the rough mud machine for roughing mud, and repeatedly practice the mud for at least 3 times to obtain the alumina mud material;
  • the alumina mud is wrapped with plastic wrap and aged for at least 48 hours to obtain a 96-ceramic flexible ceramic body;
  • Blank cutting The alumina 96 porcelain flexible ceramic body is die-cut on a mechanical punching machine, and the required size of the heater base and the heater support seat are obtained after punching;
  • the resistive paste is printed on the punched flexible ceramic body to form a heating element, and the electrode connected to the heating element is printed;
  • alumina ceramic rod core is used to wrap the flexible ceramic body with printed heating elements and electrodes on the alumina ceramic rod core;
  • Molding forming a needle-shaped ceramic body by isothermal pressing at a temperature of 95 to 100 ° C through a warm isostatic press;
  • the formed heating ceramic sleeve is punched by a punching machine, and a cone cap is simultaneously formed for size proofing and correction;
  • the ceramic casing blank will be repaired at ⁇ 5 °C/min, from normal temperature to 500 °C, holding time: 100 °C, 200 °C, 300 °C, 400 °C.
  • the temperature is 30min, the highest discharge temperature is 500°C and the temperature is kept for 120min, so that the organic matter is fully drained;
  • the body is fired: in a reducing atmosphere filled with hydrogen, the temperature is raised to 500 ° C at 10 ° C / min, and is heated to a temperature of ⁇ 5 ° C / min to 1650 ° C to be fired to form a heated ceramic sleeve, holding time: 700 ° C, 900 ° C, 1100 ° C, 1300 ° C for 30 min each, the highest firing temperature of 1500 ° C for 120 min;
  • Welding welding the heated ceramic sleeve to the electrode wiring at the electrode;
  • Immersion tin The soldered heating ceramic sleeve is immersed in the soldering place, and the immersion tin time is 2 to 3 s.
  • the alumina powder is alumina or alumina and aluminum nitride, vein quartz, sandstone, quartzite, quartz sand, vermiculite, diatomaceous earth, mullite, cordierite, wollastonite, andalusite , one or more of limestone, quartz, kaolin, potassium oxide, sodium oxide, calcium oxide, magnesium oxide, iron oxide, titanium oxide
  • the lubricant is composed of soybean oil and tung oil, wherein the soybean oil accounts for 40% by mass and the tung oil accounts for 60% by mass.
  • the binder is a mixture of one or more of carboxymethyl cellulose, agar, gelatin and xanthan gum.
  • a method for preparing a pin heater comprising the steps of:
  • the flexible 1.8mm alumina 96 porcelain flexible ceramic rod treated by CNC premixed liquid is prepared for printing according to the printing pretreatment process;
  • Curved printing in a dust-free environment, a W-Mn slurry is printed on an alumina rod using a curved printing machine to form a heating element and an electrode connected to the heating element;
  • Pre-firing 1.8mm diameter alumina 96-ceramic flexible ceramic rod with printed heating element and electrode is pre-fired at 500 °C, and is heated from normal temperature to 500 °C at ⁇ 5 °C/min, holding time: 100 °C, 200 Each temperature is kept at °C, 300°C and 400°C for 30min, and the highest discharge temperature is 500°C for 120min, so that the organic matter is fully drained;
  • Firing In a reducing atmosphere filled with wet H2/N2, the temperature is raised to 500 ° C at 10 ° C / min, and the temperature is raised to 1450 ° C at a heating rate of ⁇ 5 ° C / min, and the holding time is: 700 ° C, 900 ° C, 1100 ° C, 1300 ° C for 30 min each, the highest firing temperature 1450 ° C for 60 min;
  • Glass slurry immersion after cooling the alumina rod, after cooling to room temperature, immersing in the glass slurry for 1 to 2 s, so that the glass slurry is uniformly coated on the treated alumina rod;
  • the immersed alumina rods are dried at 40 ° C, 60 ° C, 80 ° C, 100 ° C for 2 h, and dried at 120 ° C for 4 h;
  • Nickel plating welding the fired ceramic ceramic needle is nickel plated at the electrode, and fixed by a special mold, and the welding circuit lead is performed under the protection of a dry H 2 /N 2 atmosphere at a temperature of 790 ° C;
  • Immersion tin The soldered heated ceramic needle is immersed in the soldering place, and the immersion tin time is 2 to 3 s.
  • An electric heating cigarette with a pin heater comprising a power rod, an auxiliary inserter, the power rod comprising an outer casing having an opening at one end, and a power supply device and a heating element disposed in the outer casing, the heating element comprising a heater base and being mounted on a needle heater on the base of the heater, the needle-shaped heating body comprises a cone cap and a heater base connected to the bottom of the cone cap, the heating element is attached to the heater base by coating printing, and the power supply device is used for The heater base is powered, and the auxiliary inserter is a cavity structure which can be inserted into the outer casing at one end, and a perforation for inserting the needle heater at the bottom thereof, and the inner wall of the auxiliary inserter encloses a heating cavity for loading the tobacco product, the needle The heater is inserted from the perforation and can be inserted into the heating chamber to penetrate into the tobacco product.
  • the cigarette holder is further included, and the open end of the auxiliary inserter is detachably connected to the mouthpiece, and the open end of the outer casing is detachably connected to the mouthpiece.
  • the heater base is fixedly coupled to the housing, the needle heater is fixed to the heater base along the axial direction of the housing, and the tip end of the needle heater is adjacent to the open end of the housing.
  • the needle heater is one; or has two or three, in a straight line Columns; or needle heaters with three, arranged in an equilateral triangle; or needle heaters with four, arranged in a square.
  • the power supply device comprises a battery, a controller, an electrode, and an electrode base is further disposed in the outer casing, the electrode is mounted on the electrode base, the battery is connected to the electrode through the controller, and the electrode is connected to the heater base.
  • a mouthpiece cavity is formed inside the mouthpiece, and a hole is arranged at one end of the mouthpiece cavity near the outer casing.
  • the needle heater has a length of 8 mm to 35 mm and a diameter of 0.6 mm to 3.0 mm.
  • the needle heater has a length of 10 mm to 25 mm and a diameter of 0.8 mm to 2.5 mm.
  • the tobacco product is prepared into a cylinder, a cube or a rectangular parallelepiped and is wrapped with a wrapping material.
  • the beneficial effects of the invention are adopted: (1) using the coating form, the diameter of the heater can be significantly reduced to better match the existing cigarette structure; (2) the external glaze seal of the heating element can improve the thermal efficiency. Faster heat, improve the oxidation resistance of heating elements; (3) Several types of heaters can better match the existing cigarette cigarette structure, without major modification of existing equipment, reducing cigarette rolls (4) The structure of the needle heater can be more easily inserted into the cigarette, reducing the change of the density of the tobacco in the cigarette during the insertion of the cigarette, and ensuring the uniformity of the suction and suction resistance; (5) the heating High strength, high temperature resistance, easy to clean, can work at high temperature for a long time; (6) By designing the heater base and the needle heater in the power rod, the end and interior of the tobacco product can be simultaneously heated, compared to existing The technical heating is more sufficient, and the addition of the auxiliary inserter can conveniently insert the tobacco product into contact with the needle heater for user's convenience.
  • FIG. 1 is a schematic exploded view showing the first embodiment of the electric heating cigarette with a pin heater of the present invention
  • Figure 2 (a) is a side cross-sectional view of the first embodiment of the electric heating cigarette with a pin heater of the present invention
  • Figure 2 (b) is a cross-sectional view of Figure 2 (a);
  • Figure 3 (a) is a side cross-sectional view of the second embodiment of the electric heating cigarette having the needle heater of the present invention
  • Figure 3 (b) is a cross-sectional view of Figure 3 (a);
  • Figure 4 (a) is a side cross-sectional view of the third embodiment of the electric heating cigarette having the needle heater of the present invention
  • Figure 4 (b) is a cross-sectional view of Figure 4 (a);
  • Figure 5 (a) is a side cross-sectional view of the second embodiment of the electric heating cigarette having the needle heater of the present invention
  • Figure 5 (b) is a cross-sectional view of Figure 5 (a);
  • Figure 6 is a schematic structural view of one embodiment of the needle heater of the present invention.
  • Figure 7 is a side elevational view showing one embodiment of the needle heater of the present invention.
  • FIG. 8 is a schematic view showing the layout structure of a bottom electrode of a heater base according to another embodiment of the present invention.
  • Figure 9 is a flow chart showing the preparation process of the electric heating cigarette needle heater of the present invention.
  • FIG. 1 and 2 show an electric heating cigarette with a needle heater in the form of a two-needle structure according to the present invention
  • FIG. 1 is a three-part structural form of a split, which in turn is a power rod, an auxiliary inserter 7 and a mouthpiece 15 three parts.
  • the power pole includes a casing 1 and a power supply device and a heating element disposed in the casing 1.
  • the power supply device includes a battery 2, a controller 3, an electrode (negative electrode 5, a positive electrode 6), and an electrode base is further disposed in the casing 1.
  • the seat 4 and the heater base 16, the negative electrode 5, and the positive electrode 6 are mounted on the electrode base 4, and the pin heater 9 is mounted on the heater base 16 to constitute the The heating element, the battery 2 is connected to the electrode (the negative electrode 5, the positive electrode 6) through the controller 3, and the electrode (the negative electrode 5, the positive electrode 6) is connected to the heater base 16, which receives the power supply heating of the battery 2. It is then conducted to the pin heater 9.
  • the battery 2 can be a rechargeable or rechargeable battery.
  • the controller 3 is a component that controls the power supply device to supply power to the heating element.
  • the heating element is controlled according to a preset temperature. When the temperature is higher than a preset temperature, The controller 3 stops supplying power to the heating element. When the temperature is lower than the preset temperature, the controller 3 supplies power to the heating element, and a duty cycle is controlled by the controller 3, generally no more than 7 minutes, usually preset for 3 minutes to 6 minutes.
  • the heating element is heated at a temperature of from 150 ° C to 360 ° C, preferably from 180 ° C to 340 ° C, more preferably from 250 ° C to 320 ° C.
  • the needle heater 9 is of a needle-like or rod-like structure, the heater base 16 is fixedly coupled to the outer casing 1, and the needle heater 9 is fixed to the heater base 16 in the axial direction of the outer casing 1, and the tip of the needle heater 9 Near the open end of the outer casing.
  • the needle heater 9 has a length of 8 mm to 35 mm, preferably 10 mm to 25 mm, and a diameter of 0.6 mm to 1.8 mm, preferably 0.8 mm to 1.4 mm.
  • the auxiliary inserter 7 is a cavity structure in which one end is open to be inserted into the inner cavity of the outer casing 1, and a perforation corresponding to the pin heater 9 is provided at the bottom thereof so that the pin heater 9 is inserted.
  • the inner wall of the auxiliary inserter 7 encloses a heating chamber 8 for loading the tobacco product.
  • the needle heater 9 extends from the perforation and extends into the heating chamber 8. It will be understood that the length of the needle heater 9 is less than or equal to the heating chamber.
  • the open end of the auxiliary inserter 7 is tightly connected to the mouthpiece 15 by means of a thread, a grinding ring, a rubber ring or a snap.
  • the outer casing 1 is open, the battery 2 is disposed at the bottom of the outer casing 1, and the open end is detachably connected to the mouthpiece 15.
  • the outer wall of the outer side of the outer casing 1 is provided with a casing interface 12, and one end of the mouthpiece 15 is also provided with a casing interface 12, both of which can pass A detachable fixed connection is achieved by means of a plug or screw connection.
  • the mouthpiece 15 is internally formed with a mouthpiece chamber 11 provided with a porous partition 13 at one end of the mouthpiece chamber 11. The porous partition 13 is arranged to prevent the tobacco product from entering the mouthpiece cavity and affecting the suction feeling.
  • the cigarette holder type cigarette may be directly inserted into the auxiliary inserter 7 without inserting the cigarette holder 15, and the cigarette holder may be inserted into the needle heater 9.
  • auxiliary inserter 7 there are two needle heaters 9, and the corresponding auxiliary inserter 7 is provided at the bottom.
  • Two perforations, as shown in Fig. 2(b), are symmetrically disposed at the bottom center of the auxiliary inserter 7.
  • the tobacco product to be heated is added to the heating chamber 8 of the auxiliary inserter 7, and then the auxiliary inserter 7 and the mouthpiece 15 are passed.
  • the mouthpiece interface 10 is formed as a whole, and then the positioning holes 14 are aligned and inserted together into the needle heater 9, and the tip end of the needle heater 9 protrudes into the heating chamber 8 through the perforation at the bottom of the auxiliary inserter 7, thereby piercing
  • the heating chamber 8 is contained in the tobacco product.
  • the battery 2 is controlled to input the current of the pin heater 9, and the tobacco product is heated and temperature-controlled to maintain the atomization temperature of 250 ° C - 320 ° C.
  • the heating needle inserted into the heating chamber 8 in the present example, there are only two needle heaters 9, which change the tobacco product due to the insertion of the needle heater into the tobacco product.
  • the density of the prepared tobacco product is maintained at 600 mg to 700 mg.
  • the structure of the cartridge in the form of aluminum foil wrapped in the present example is inserted into the heating chamber 8 and smoothly inserted into the heater 9 along with the cigarette holder, and the smoke is rapidly generated during the heating process, which satisfies the demand for smoking alkali.
  • Fig. 3 shows an electric heating cigarette having a needle heater in the form of a three-needle structure provided by the present invention, and other structural portions are substantially the same as those in Fig. 2.
  • the needle heater changes the density of the tobacco product during insertion into the tobacco product, the total mass of the prepared tobacco product is maintained at 500 mg. -600 mg to facilitate the insertion of tobacco products.
  • the structure of the cartridge in the form of aluminum foil wrapped in the present example is inserted into the heating chamber 8 and smoothly inserted into the heater 9 along with the cigarette holder, and the smoke is rapidly generated during the heating process, which satisfies the demand for smoking alkali.
  • FIG. 4 shows an electric heating cigarette with a needle heater in the form of a three-needle structure provided by the present invention, which differs from the structure in the third embodiment in that the three-needle structure adopts an equilateral triangle arrangement, and other structural parts and FIG. 2
  • the structure in is basically the same.
  • the needle heater 9 has three. Since the needle heater changes the density of the tobacco product during insertion into the tobacco product, the total mass of the prepared tobacco product is maintained at 500 mg-600 mg for convenience. Insertion of tobacco products.
  • the structure of the cartridge in the form of aluminum foil wrapped in the present example is inserted into the heating chamber 8 and smoothly inserted into the heater 9 along with the cigarette holder.
  • the smoke is rapidly generated during the heating process, and the addition of the menthyl ester latent fragrance substance, the cartridge There is no obvious lingering fragrance.
  • This new type of cigarette can achieve the decomposition temperature of menthyl ester and improve the coolness of smoke.
  • Fig. 5 shows an electric heating cigarette having a needle heater in the form of a four-needle structure provided by the present invention.
  • the four-needle structure is in a square arrangement, and the other structural portions are substantially the same as those in Fig. 2.
  • the needle heater changes the density of the tobacco product during insertion into the tobacco product, the total mass of the prepared tobacco product is maintained at 400 mg to 500 mg. Convenient for the insertion of tobacco products.
  • the prepared tobacco sheet and cut tobacco are mixed according to the ratio of the weight of tobacco sheet: cut tobacco: 1:1, and the tobacco extract of the total weight of the tobacco product and the tobacco flavor of the total weight of the tobacco product of 1.5% are added, and
  • a tobacco vanillin glycoside-based latent fragrance substance such as vanillin glucoside, is added, and then wrapped with a flame-retardant cigarette paper to prepare a form of a cartridge.
  • the cartridge structure of the flame-retardant cigarette paper wrapped in the present example is placed in the heating chamber 8 After that, it is smoothly inserted into the heater 9 along with the cigarette holder, and the smoke is rapidly generated during the heating process.
  • the cartridge has no obvious milk flavor, and during use, the milk fragrance can be obviously heated.
  • the new type of cigarette can reach the decomposition temperature of vanillin glucoside and improve the mouthfeel.
  • one embodiment of the needle heater 9 of the present invention includes a needle-shaped heating body, a heating element 20, and the needle-shaped heating body includes a cone cap 18 and a heater connected to the bottom of the cone cap 18.
  • the base body 19 and the cone cap 18 may be tapered structures such as a cone, a triangular cone, a Mitsubishi cone, etc., and are connected to the heater base 19 to form a needle heater main body structure, and the connection manner may be welding or integral molding.
  • the heater base 19 may be a cylindrical structure that corresponds to the shape of the cone cap 18, such as a cylinder, a triangular prism, a Mitsubishi column, or the like.
  • the heat generating component 20 is attached to the heater base 19 by coating and printing.
  • the heater base 19 can be fixed (e.g., plugged) to the heater support 17, and the heater support 17 is fixed to the heater base 16. In another embodiment, the heater base 19 can be directly secured to the heater base 16.
  • the diameter of the cylinder is generally not more than 2.5mm, the length is controlled between 10mm-25mm, the tail of the heater base 19 is provided with electrodes, and the electrodes are connected to the battery and the control board through the electrode connection 21. .
  • Figure 8 is a schematic view showing the structure of a heater of another embodiment of the electric heating cigarette needle heater of the present invention, wherein the heater base 19 has an elliptical cylinder structure, and the elliptical cylinder is short for better insertion into the cigarette.
  • the diameter is generally not more than 2.5mm, the long diameter is not more than 6.5mm, the length is controlled between 10mm-25mm, the eccentricity of the ellipse is controlled between 0.05-0.9, this is adjusted according to the heater, the tail of the heater base 19
  • the electrodes are connected to the battery and the control board through the electrode wires.
  • the electrode of the heater base 19 includes the electrode A and the electrode B, and each electrode includes two, that is, the electrode A has a curved resistive element A1 and a curved resistive element A2, and the electrode B has a curved resistive element B1 and a curved surface.
  • the resistive element B2 connects A1 and B1 to form one electrode, A2 and B2 are connected to form one electrode, and the two curved resistive elements are connected in parallel, and then connected to the battery and the control circuit electrode, and the structural resistive paste is uniform on both sides.
  • the electrodes on both sides can be connected as a support through the electrodes and connected to the circuit board to reduce the length of the heater and reduce the heat loss.
  • the present invention also provides a method for preparing an electrically heated cigarette needle heater, wherein an embodiment includes the following steps:
  • Alumina powder formulations can be made according to the following components and ratios:
  • Ploughing the mud take out the mixed powder, add the lubricant which accounts for 8% of the total mass of the raw materials (40% of soybean oil and 60% of tung oil), then add 15% of the total mass of the raw materials, stir evenly. Mix it evenly, take out the stirred mud, put it into the rough mud machine for rough mud, and practice the mud for at least 3 times;
  • Green body cutting 0.1mm thick alumina 96 porcelain (96%) flexible ceramic body is die-cut on a mechanical punching machine, and punched to obtain a rectangular body with a length ⁇ width * height of 25 mm ⁇ 7 mm ⁇ 0.1 mm. .
  • a resistive paste (such as a resistance wire) is printed on a punched flexible ceramic body to form a heating element, and the electricity connected to the heating element is printed. pole.
  • Parcel Another alumina ceramic rod core with a diameter of about 1.6 mm and a length of 25 mm was wrapped on a 25 mm alumina ceramic rod core with printed heating elements and electrodes.
  • Blank molding a needle-shaped ceramic body having a diameter of 1.8 mm and a height of 25 mm was isostatically pressed at a temperature of 95 to 100 ° C by a warm isostatic pressing machine.
  • Pre-firing of the blank The ceramic casing blank will be repaired in the rubberizing furnace at ⁇ 5 ° C / min, and heated from normal temperature to 500 ° C. Holding time: 100 ° C, 200 ° C, 300 ° C, 400 ° C for 30 min each, the highest discharge temperature 500 ° C for 120 min, so that the organic matter is fully exhausted.
  • Billet calcination The temperature was raised to 500 ° C at 10 ° C / min under a reducing atmosphere filled with hydrogen, and was raised to 1,650 ° C at a temperature increase rate of ⁇ 5 ° C / min. Holding time: 700 ° C, 900 ° C, 1100 ° C, 1300 ° C each holding for 30 min, the highest firing temperature 1500 ° C for 120 min. After firing, it can also be glazed to protect the heating element while increasing the heating rate of the heater to the tobacco.
  • soldered The fired ceramic sleeve is soldered to the electrode at the electrode.
  • Immersion tin The soldered heating ceramic sleeve is immersed in the soldering place, and the immersion tin time is 2 to 3 s.

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Abstract

一种针式加热器（9），包括针形加热体、发热元件（20），针形加热体包括锥帽（18）及与锥帽（18）底部连接的加热器基体（19），发热元件（20）通过涂布印刷的方式附着在加热器基体（19）上。一种针式加热器（9）的制备方法及具有针式加热器（9）的电加热卷烟。针式加热器（9）可对烟草制品进行充分加热，而且烟草制品插入加热腔（8）更为方便，可方便进行烟草制品的更换，使用起来更为方便。

Description

针式加热器、其制备方法及带针式加热器的电加热卷烟 技术领域
本发明涉及新型卷烟技术领域，具体是一种针式加热器、其制备方法及带针式加热器的电加热卷烟。
背景技术
香烟燃烧一般需要达到800℃以上，燃烧产生的多种气体产物和蒸馏物从烟草中释放出来。在香烟燃烧过程中，添加到烟草制品的香精香料随着香烟的燃烧而被燃烧分解，破坏了香精香料的原品质。为了降低卷烟的抽吸温度，将烟草进行特殊处理后，采用加热器进行加热的方式进行加热，目前，市面上的电加热产品的加热器采用片式加热器，加热烟支采用纵向有序排列方式，但是该加热器无法直接插入传统卷烟烟支中。
另外，现有技术通过外部加热方式对烟支进行加热而非通过烟草本身燃烧的新型卷烟，通过将烟草制品加热到雾化温度，达到产生烟雾的效果，能够显著的降低卷烟燃烧产生的大量有害物质，降低二手烟对非吸烟人群的危害。但是，现有技术中加热器加热烟草制品(例如烟弹)只能加热其一端或是外壁，无法对烟草制品整体尤其是内部的烟草进行有效加热，而且由于加热不充分，还会造成加热强有部分烟草残留，清理起来较困难；另外，烟草制品插入加热腔时不太容易，在有烟草残留时清理起来也不甚方便。
发明内容
本发明为解决现有技术的不足，提供一种针式加热器、其制备方法及带针式加热器的电加热卷烟，通过针式加热器可对烟草制品的端部和内部进行充分加热，而且烟草制品插入加热腔更为方便，还可方便进行烟草制品的更换，使用起来更为方便。
本发明采用的技术方案为：
一种针式加热器，包括针形加热体、发热元件，所述针形加热体包括锥帽及与锥帽底部连接的加热器基体，发热元件通过涂布印刷的 方式附着在加热器基体上。
进一步的，锥帽为圆锥、三角锥或三菱锥，加热器基体对应为圆柱、椭圆柱、三角柱或三菱柱。
进一步的，加热器基体的尾部设有电极，电极通过电极连线与电池及控制板相连。
一种针式加热器的制备方法，其特征在于包括如下步骤：
配料、混料：取D50＜0.8μm的氧化铝粉料，放入球磨机中，加入一定量的球磨子，使氧化铝粉料：球磨子质量比为1:2，再在球磨机中加入占原料总质量3-15％的粘结剂，连续球磨使得氧化铝粉和粘结剂混合均匀；
练泥：取出已混合好的粉料，加入占原料总质量3-10％的润滑剂，再加入占原料总质量15-20％的水，搅拌均匀，使其混合均匀，取出搅拌好的泥料，放入粗练泥机中进行粗练泥，反复练泥至少3遍得到氧化铝泥料；
陈腐：将氧化铝泥料用保鲜膜包裹住，陈腐至少48小时，得到96瓷柔性陶瓷坯体；
坯体切割：将氧化铝96瓷柔性陶瓷坯体在机械冲床上进行尺寸冲切，冲切后得到所需的加热器基体和加热器支撑座的尺寸规格；
印刷：在无尘环境下，将电阻浆料印刷在冲切好的柔性陶瓷坯体上形成发热元件，同时印刷与发热元件连接的电极；
包裹：另取一根氧化铝陶瓷棒芯，将已印刷发热元件、电极的柔性陶瓷坯体包裹在氧化铝陶瓷棒芯上；
坯体成型：经过温等静压机在95～100℃附近温等静压成型成针状陶瓷坯体；
修坯：将成型后的加热型陶瓷套管用冲床冲切，并同时形成锥帽，进行尺寸校对与修正；
坯体预烧制：在排胶炉中将修好陶瓷套管坯料以＜5℃/min，从常温升温到500℃，保温时间：100℃、200℃、300℃、400℃各保 温30min，最高排胶温度500℃保温120min，使有机物充分排尽；
坯体烧成：在充满氢气的还原气氛下，以10℃/min升温到500℃，在以＜5℃/min的升温速度升至1650℃进行烧制形成加热型陶瓷套管，保温时间：700℃、900℃、1100℃、1300℃各保温30min，最高烧成温度1500℃保温120min；
焊接：将烧成的加热型陶瓷套管在电极处焊接电极连线；
浸锡：将焊接好的加热型陶瓷套管在焊接处进行浸锡，浸锡时间为2～3s。
进一步的，所述氧化铝粉料为氧化铝或者氧化铝与氮化铝、脉石英、砂岩、石英岩、石英砂、燧石、硅藻土、莫来石、堇青石、硅灰石、红柱石、石灰石、石英、高岭土、氧化钾、氧化钠、氧化钙、氧化镁、氧化铁、氧化钛中一种或几种混合而成
进一步的，所述润滑剂由豆油和桐油按照组成，其中豆油所占质量百分比为40％，桐油所占质量百分比为60％。
进一步的，所述粘结剂为羧甲基纤维素、琼脂、明胶和黄原胶中的一种或几种的混合物。
一种针式加热器的制备方法，，其特征在于包括如下步骤：
表面预处理：按印刷预处理工艺将CNC预混液处理过的柔性1.8mm氧化铝96瓷柔性陶瓷棒做好印刷准备；
曲面印刷：在无尘环境下，利用曲面印刷机将W-Mn浆料印刷在氧化铝棒上形成发热元件和与发热元件连接的电极；
预烧制：将已印刷发热元件、电极的1.8mm直径氧化铝96瓷柔性陶瓷棒进行500℃预烧制，以＜5℃/min，从常温升温到500℃，保温时间：100℃、200℃、300℃、400℃各保温30min，最高排胶温度500℃保温120min，使有机物充分排尽；
烧制：在充满湿的H2/N2的还原气氛下，以10℃/min升温到500℃，在以＜5℃/min的升温速度升至1450℃进行烧制，保温时间： 700℃、900℃、1100℃、1300℃各保温30min，最高烧成温度1450℃保温60min；
玻璃浆料浸置：将烧制后的氧化铝棒，冷却到室温后，在玻璃浆料中浸置1～2s，使玻璃浆料均匀涂覆在处理后的氧化铝棒上；
干燥：在恒温鼓风干燥箱内，将浸置后的氧化铝棒在40℃、60℃、80℃、100℃各鼓风干燥2h，120℃鼓风干燥4h；
烧制：以＜5℃/min的升温速度升至1000℃进行玻璃封装烧制，最高温度保温时间为30min；
镀镍烧焊：将烧成的加热型陶瓷针在电极处镀镍，并用特制模具加以固定，在温度为790℃的干燥H2/N2气氛保护下进行焊接电路引线；
浸锡：将焊接好的加热型陶瓷针在焊接处进行浸锡，浸锡时间为2～3s。
一种具有针式加热器的电加热卷烟，包括电源杆、辅助插入器，电源杆包括一端开口的外壳及设于外壳中的电源装置、加热元件，所述加热元件包括加热器底座及安装在加热器底座上的针式加热器，所述针形加热体包括锥帽及与锥帽底部连接的加热器基体，发热元件通过涂布印刷的方式附着在加热器基体上，电源装置用于给加热器底座供电，辅助插入器为一端开口可插入外壳的腔体结构，其底部设有可供针式加热器插入的穿孔，辅助插入器内壁围成用于装入烟草制品的加热腔，针式加热器从穿孔插入后可伸入加热腔进而刺入烟草制品中。
进一步的，还包括烟嘴，所述辅助插入器的开口端与烟嘴可拆卸连接，外壳的开口端与烟嘴可拆卸连接。
进一步的，加热器底座与外壳固定连接，针式加热器沿外壳的轴向固定在加热器底座上，且针式加热器的尖端靠近外壳的开口端。
进一步的，针式加热器为一个；或者具有两个或三个，呈直线排 列；或者针式加热器具有三个，呈等边三角形排列；或者针式加热器具有四个，呈正方形排列。
进一步的，所述电源装置包括电池、控制器、电极，外壳中还设有电极基座，电极安装在电极基座上，电池通过控制器连接电极，电极与加热器底座连接。
进一步的，烟嘴内部形成烟嘴腔，烟嘴腔靠近外壳的一端设有多孔隔板。
进一步的，针式加热器长度为8mm-35mm，直径为0.6mm-3.0mm。
进一步的，针式加热器长度为10mm-25mm，直径为0.8mm-2.5mm。
进一步的，所述烟草制品制备成圆柱性、正方体或长方体，并用包裹材料包裹。
采用本发明的有益效果：(1)采用该种涂布形式，可以显著降低加热器的直径，更好的匹配现有烟支结构；(2)发热元件外置用釉封可以提高热效率，传热更快，提高发热元件的抗氧化性；(3)几种形式的加热器，可以更好的匹配现有卷烟烟支结构，不需要对现有设备进行较大的改造，减少烟支卷制成本；(4)针式加热器的结构形式可以更容易插入烟支，减少烟支插入过程中烟支中烟丝密度的变化，保证抽吸吸阻的均匀性；(5)该种加热器强度高，耐高温，易于清洗，可长时间高温工作；(6)通过在电源杆中设计加热器底座和针式加热器，可以同时对烟草制品的端部和内部加热，相比现有技术加热更为充分，而且辅助插入器的加入可方便的将烟草制品插入与针式加热器接触，方便用户的使用。
附图说明
图1为本发明具有针式加热器的电加热卷烟实施例一的分解结构示意图；
图2(a)为本发明具有针式加热器的电加热卷烟实施例一组装后的侧面剖视图，图2(b)为图2(a)的截面图；
图3(a)为本发明具有针式加热器的电加热卷烟实施例二组装后的侧面剖视图，图3(b)为图3(a)的截面图；
图4(a)为本发明具有针式加热器的电加热卷烟实施例三组装后的侧面剖视图，图4(b)为图4(a)的截面图；
图5(a)为本发明具有针式加热器的电加热卷烟实施例二组装后的侧面剖视图，图5(b)为图5(a)的截面图；
图6为本发明针式加热器其中一个实施例的结构示意图；
图7为本发明针式加热器其中一个实施例的侧面展开示意图；
图8是本发明另一个实施例的加热器基体底部电极的布局结构示意图；
图9是本发明电加热卷烟针式加热器的制备工艺流程图。
图中：1—外壳，2—电池，3—控制器，4—电极基座，5—负电极，6—正电极，7—辅助插入器，8—加热腔，9—针式加热器，10—烟嘴接口，11—烟嘴腔，12—外壳接口，13—多孔隔板，14—定位孔，15—烟嘴，16—加热器底座，17—加热器支撑座，18—锥帽，19—加热器基体，20—发热元件，21—电极连线。
具体实施方式
下面将结合本发明中的附图，对本发明中的技术方案进行清楚、完整地描述。
实施例一
图1和图2所示为本发明提供的两针结构形式的具有针式加热器的电加热卷烟，图1为分拆的三部分结构形式，依次为电源杆、辅助插入器7和烟嘴15三部分。
其中电源杆包括外壳1及设于外壳1中的电源装置及加热元件，所述电源装置包括电池2、控制器3、电极(负电极5、正电极6)，外壳1中还设有电极基座4和加热器底座16，负电极5、正电极6安装在电极基座4上，针式加热器9安装于加热器底座16上组成所述 加热元件，电池2通过控制器3连接电极(负电极5、正电极6)，电极(负电极5、正电极6)与加热器底座16连接，所述加热器底座16接收电池2的供电加热后传导至针式加热器9。
所述电池2可为会或充电电池，所述控制器3是控制电源装置对加热元件进行供电的部件，对加热元件按照预先设定好的温度进行控制，当温度高于预设温度时，控制器3停止对加热元件供电，当温度低于预设温度时，控制器3对加热元件进行供电，一个工作周期通过控制器3进行控制，一般不超过7min，通常预设3min-6min。加热元件加热温度为150℃-360℃，优选180℃-340℃，更优选250℃-320℃。
针式加热器9为针状或杆状结构，加热器底座16与外壳1固定连接，针式加热器9沿外壳1的轴向固定在加热器底座16上，且针式加热器9的尖端靠近外壳的开口端。针式加热器9长度为8mm-35mm，优选10mm-25mm；直径为0.6mm-1.8mm，优选0.8mm-1.4mm。辅助插入器7为一端开口可插入外壳1内腔的腔体结构，其底部设有与针式加热器9对应的穿孔，以便针式加热器9插入。辅助插入器7内壁围成用于装入烟草制品的加热腔8，针式加热器9从穿孔插入后伸入加热腔8，可以理解的是，针式加热器9的长度小于或等于加热腔8的深度。所述辅助插入器7的开口端与烟嘴15通过螺纹、磨口、橡胶圈或者卡扣等方式进行紧密连接。
外壳1的一端开口，电池2设于外壳1底部，开口端与烟嘴15可拆卸连接，例如外壳1的端外壁设有外壳接口12，烟嘴15一端也对应设有外壳接口12，两者可通过插接或螺旋连接的方式实现可拆卸固定连接。烟嘴15内部形成烟嘴腔11，烟嘴腔11靠近外壳1的一端设有多孔隔板13,多孔隔板13的设置可以防止烟草制品进入到烟嘴腔，影响抽吸感觉。
在另一实施例中，也可以不包括烟嘴15，直接将烟支型卷烟直接插入到辅助插入器7，并将烟支插入针式加热器9。
本实施例中针式加热器9为2个，对应的辅助插入器7底部设有 2个穿孔，如图2(b)所示，其对称设于辅助插入器7底部中心位置。
在使用电加热卷烟的过程中，首先将辅助插入器7和烟嘴15取下后，将待加热的烟草制品加入到辅助插入器7的加热腔8中，然后将辅助插入器7和烟嘴15通过烟嘴接口10组成一个整体，然后将定位孔14对准后，一起插入到针式加热器9上，针式加热器9的尖端通过辅助插入器7底部的穿孔伸入加热腔8，进而刺入加热腔8装入的烟草制品中。通过控制控制器3，控制电池2输入针式加热器9电流的大小，实现对烟草制品进行加热和控温，保持在雾化温度250℃-320℃。
在本实例中，根据插入加热腔8中的加热针的结构形式，在本实例中，针式加热器9只有两根，由于针式加热器在插入到烟草制品的过程中，会改变烟草制品的致密度，所制备的烟草制品总质量保持在600mg-700mg。
本实施例中烟草制品的制备过程如下：将烟叶干燥并进行粉碎处理后，筛选小于100目的烟粉1000g，称取海藻胶100g，溶于500g的水中并与烟粉进行搅拌混匀，制备成烟草薄片后干燥，切丝后添加甘油：丙二醇＝4:1的雾化剂150g，然后在60℃的烘烤30min后备用。同时，称取烟丝1000g，喷洒甘油：丙二醇＝1:3的雾化剂150g，然后在60℃的烘烤30min后备用。将制备的好烟草薄片和烟丝按照重量比烟草薄片：烟丝＝1:2的比例混匀后，添加4％烟草制品总重量的烟草提取物和1％烟草制品总重量的烟用香精香料，混匀后用铝箔纸进行包裹，制备成烟弹形式。
本实例制备的铝箔包裹形式的烟弹结构，放入到加热腔8后，随烟嘴一起顺利的插入到加热器9中，加热过程中迅速产生烟雾，较好的满足抽吸烟碱需求。
实施例二
图3所示的为本发明提供的三针结构形式的具有针式加热器的电加热卷烟，其他结构部分与图2中的结构基本相同。
在本实例中，针式加热器9有三根，其排列成直线，由于针式加热器在插入到烟草制品的过程中，会改变烟草制品的致密度，所制备的烟草制品总质量保持在500mg-600mg，以方便烟草制品的插入。
本实施例中烟草制品的制备过程如下：将烟叶干燥并进行粉碎处理后，筛选小于100目的烟粉1000g，称取卡拉胶50g，琼脂50g，溶于500g的水中并与烟粉进行搅拌混匀，制备成烟草薄片后干燥，切丝后添加甘油：丙二醇＝3:1的雾化剂150g，然后在60℃的烘烤30min后备用。同时，称取烟丝1000g，喷洒甘油：丙二醇＝2:1的雾化剂150g，然后在60℃的烘烤30min后备用。将制备的好烟草薄片和烟丝按照重量比烟草薄片：烟丝＝3:5的比例混匀后，添加5％烟草制品总重量的烟草提取物和1％烟草制品总重量的烟用香精香料，混匀后用铝箔纸进行包裹，制备成烟弹形式。
本实例制备的铝箔包裹形式的烟弹结构，放入到加热腔8后，随烟嘴一起顺利的插入到加热器9中，加热过程中迅速产生烟雾，较好的满足抽吸烟碱需求。
实施例三
图4所示的为本发明提供的三针结构形式的具有针式加热器的电加热卷烟，与实施例3中结构不同之处在于三针结构采取等边三角形排列，其他结构部分与图2中的结构基本相同。
在本实例中，针式加热器9有三根，由于针式加热器在插入到烟草制品的过程中，会改变烟草制品的致密度，所制备的烟草制品总质量保持在500mg-600mg，以方便烟草制品的插入。
本实施例中烟草制品的制备过程如下：将烟叶干燥并进行粉碎处理后，筛选小于100目的烟粉1000g，称取羧甲基纤维素80g，海藻酸钠25g，溶于500g的水中并与烟粉进行搅拌混匀，制备成烟草薄片后干燥，切丝后添加甘油：丙二醇＝3:1的雾化剂140g，然后在60℃的烘烤30min后备用。同时，称取烟丝1000g，喷洒甘油：丙二醇＝3:2的雾化剂120g，然后在60℃的烘烤30min后备用。将制备的好烟草 薄片和烟丝按照重量比烟草薄片：烟丝＝2:3的比例混匀后，添加5％烟草制品总重量的烟草提取物和1％烟草制品总重量的烟用香精香料，且在本实例中所用的烟用香精香料中添加烟草薄荷类的潜香物质，例如薄荷醇酯，混匀后用铝箔纸进行包裹，制备成烟弹形式。
本实例制备的铝箔包裹形式的烟弹结构，放入到加热腔8后，随烟嘴一起顺利的插入到加热器9中，加热过程中迅速产生烟雾，薄荷酯类潜香物质的加入，烟弹没有明显的薄荷外香，使用过程中，可以有明显的薄荷的清凉感，本加热新型卷烟可以达到薄荷酯分解的温度，提高烟味的凉感。
实施例四
图5所示的为本发明提供的四针结构形式的具有针式加热器的电加热卷烟，在本实例中，四针结构采用正方形排列形式，其他结构部分与图2中的结构基本相同。
在本实例中，针式加热器9有四根，由于针式加热器在插入到烟草制品的过程中，会改变烟草制品的致密度，所制备的烟草制品总质量保持在400mg-500mg，以方便烟草制品的插入。
本实施例中烟草制品的制备过程如下：将烟叶干燥并进行粉碎处理后，筛选小于100目的烟粉1000g，称取羧甲基纤维素80g，琼脂30g，溶于500g的水中并与烟粉进行搅拌混匀，制备成烟草薄片后干燥，切丝后添加甘油：丙二醇＝3:1的雾化剂150g，然后在60℃的烘烤30min后备用。同时，称取烟丝1000g，喷洒甘油：丙二醇＝2:1的雾化剂150g，然后在60℃的烘烤30min后备用。将制备的好烟草薄片和烟丝按照重量比烟草薄片：烟丝＝1:1的比例混匀后，添加4％烟草制品总重量的烟草提取物和1.5％烟草制品总重量的烟用香精香料，且在本实例中所用的烟用香精香料中添加烟草香兰素糖苷类潜香物质，例如香兰素葡萄糖苷，混匀后用阻燃卷烟纸进行包裹，制备成烟弹形式。
本实例制备的阻燃卷烟纸包裹形式的烟弹结构，放入到加热腔8 后，随烟嘴一起顺利的插入到加热器9中，加热过程中迅速产生烟雾，香兰素葡萄糖苷的加入，烟弹没有明显的奶香味，使用过程中，可以有明显的奶香味，本加热新型卷烟可以达香兰素葡萄糖苷的分解温度，提高抽吸口感。
请参考图6和图7，本发明中针式加热器9其中一个实施例包括针形加热体、发热元件20，所述针形加热体包括锥帽18及与锥帽18底部连接的加热器基体19，锥帽18可为圆锥、三角锥、三菱锥等锥形结构，其与加热器基体19连接形成针式加热器主体结构，连接方式可为焊接或者一体成型。加热器基体19可为柱体结构，其对应锥帽18的形状设计，例如圆柱、三角柱、三菱柱等。发热元件20通过涂布印刷的方式附着在加热器基体19上。加热器基体19可固定(比如插接)在加热器支撑座17上，加热器支撑座17固定于加热器底座16。在另一实施例中，加热器基体19可直接固定于加热器底座16。
为了更好的插入烟支中，圆柱体的直径一般不超过2.5mm，长度控制在10mm-25mm之间，加热器基体19的尾部设有电极，电极通过电极连线21与电池及控制板相连。
图8所示的是本发明电加热卷烟针式加热器另一实施例的加热器结构示意图,其加热器基体19为椭圆柱体结构，为了更好的插入烟支中，椭圆柱体的短直径一般不超过2.5mm，长直径不超过6.5mm，长度在控制在10mm-25mm之间，椭圆的离心率控制在0.05-0.9之间，这个根据加热器进行适当的调整，加热器基体19尾部的电极通过电极连线与电池及控制板相连。在本实例中，加热器基体19的电极包括电极A和电极B，并且每个电极又包括两个，即电极A有曲面电阻元件A1和曲面电阻元件A2，电极B有曲面电阻元件B1和曲面电阻元件B2，将A1和B1相连组成一个电极，A2和B2相连组成一个电极，将两个曲面电阻元件并联后，再与电池及控制电路电极相连，该种结构电阻浆料在两面进行均匀，两边布局电极，可通过电极作为支座，并与电路板连接，减少加热器无效长度，降低热量损耗。
请参考图9，本发明还提供一种电加热卷烟针式加热器的制备方法，其中一个实施例包括如下步骤：
1.配料、混料：取D50＜0.8μm的高纯氧化铝粉料，放入球磨机中，加入一定量的球磨子，使氧化铝粉料：球磨子质量比为1:2，再在球磨机中加入占原料总质量12％的粘结剂羧甲基纤维素，连续球磨使得氧化铝粉和粘结剂混合均匀；
氧化铝粉料配方可按照如下组分和配比制成：
Figure PCTCN2017083973-appb-000001
2.练泥：取出已混合好的粉料，加入占原料总质量8％的润滑剂(其中豆油为40％，桐油为60％)，再加入占原料总质量15％的水，搅拌均匀，使其混合均匀，取出搅拌好的泥料，放入粗练泥机中进行粗练泥，反复练泥至少3遍；
3.陈腐：由于氧化铝粉料是非亲水非可塑的瘠性料，因此泥料中的水分等液相成分在经过反复练泥后还是不能均匀地分布于泥料中，而必须陈腐一定的时间。本实验将氧化铝泥料用保鲜膜包裹住，陈腐至少48小时，得到96瓷(96％)柔性陶瓷坯体。
4.坯体切割：将0.1mm厚的氧化铝96瓷(96％)柔性陶瓷坯体在机械冲床上进行尺寸冲切，冲切后得到尺寸长*宽*高为25mm×7mm×0.1mm长方体。
5.印刷：在无尘环境下，将电阻浆料(例如电阻丝)印刷在冲切好的柔性陶瓷坯体上形成发热元件，同时印刷与发热元件连接的电 极。
6.包裹：另取一根直径约1.6mm的氧化铝陶瓷棒芯，长度为25mm，将已印刷发热元件、电极的柔性陶瓷坯体包裹在25mm氧化铝陶瓷棒芯上。
7.坯体成型：经过温等静压机在95～100℃附近温等静压成型成直径1.8mm，高度为25mm的针状陶瓷坯体。
8.修坯：将成型后的加热型陶瓷套管用冲床冲切，并同时形成锥帽，进行尺寸校对与修正。
9.坯体预烧制：在排胶炉中将修好陶瓷套管坯料以＜5℃/min，从常温升温到500℃。保温时间：100℃、200℃、300℃、400℃各保温30min，最高排胶温度500℃保温120min，使有机物充分排尽。
10.坯体烧成：在充满氢气的还原气氛下，以10℃/min升温到500℃，在以＜5℃/min的升温速度升至1650℃进行烧制。保温时间：700℃、900℃、1100℃、1300℃各保温30min，最高烧成温度1500℃保温120min。烧制完成后还可进行上釉，以对发热元件进行保护，同时提高加热器对接触烟草的加热速度。
11.焊接：将烧成的加热型陶瓷套管在电极处焊接电极连线。
12.浸锡：将焊接好的加热型陶瓷套管在焊接处进行浸锡，浸锡时间为2～3s。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何属于本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求的保护范围为准。

Claims (10)

  1. 一种针式加热器，其特征在于：包括针形加热体、发热元件，所述针形加热体包括锥帽及与锥帽底部连接的加热器基体，发热元件通过涂布印刷的方式附着在加热器基体上。
  2. 如权利要求1所述的针式加热器，其特征在于：锥帽为圆锥、三角锥或三菱锥，加热器基体对应为圆柱、椭圆柱、三角柱或三菱柱。
  3. 如权利要求2所述的针式加热器，其特征在于：加热器基体的尾部设有电极，电极通过电极连线与电池及控制板相连。
  4. 一种针式加热器的制备方法，其特征在于包括如下步骤：
    (1)配料、混料：取D50＜0.8μm的氧化铝粉料，放入球磨机中，加入一定量的球磨子，使氧化铝粉料：球磨子质量比为1:2，再在球磨机中加入占原料总质量3-15％的粘结剂，连续球磨使得氧化铝粉和粘结剂混合均匀；
    (2)练泥：取出已混合好的粉料，加入占原料总质量3-10％的润滑剂，再加入占原料总质量15-20％的水，搅拌均匀，使其混合均匀，取出搅拌好的泥料，放入粗练泥机中进行粗练泥，反复练泥至少3遍得到氧化铝泥料；
    (3)陈腐：将氧化铝泥料用保鲜膜包裹住，陈腐至少48小时，得到96瓷柔性陶瓷坯体；
    (4)坯体切割：将氧化铝96瓷柔性陶瓷坯体在机械冲床上进行尺寸冲切，冲切后得到所需的加热器基体和加热器支撑座的尺寸规格；
    (5)印刷：在无尘环境下，将电阻浆料印刷在冲切好的柔性陶瓷坯体上形成发热元件，同时印刷与发热元件连接的电极；
    (6)包裹：另取一根氧化铝陶瓷棒芯，将已印刷发热元件、电极的柔性陶瓷坯体包裹在氧化铝陶瓷棒芯上；
    (7)坯体成型：经过温等静压机在95～100℃附近温等静压成型成针状陶瓷坯体；
    (8)修坯：将成型后的加热型陶瓷套管用冲床冲切，并同时形成 锥帽，进行尺寸校对与修正；
    (9)坯体预烧制：在排胶炉中将修好陶瓷套管坯料以＜5℃/min，从常温升温到500℃，保温时间：100℃、200℃、300℃、400℃各保温30min，最高排胶温度500℃保温120min，使有机物充分排尽；
    (10)坯体烧成：在充满氢气的还原气氛下，以10℃/min升温到500℃，在以＜5℃/min的升温速度升至1650℃进行烧制形成加热型陶瓷套管，保温时间：700℃、900℃、1100℃、1300℃各保温30min，最高烧成温度1500℃保温120min；
    (11)焊接：将烧成的加热型陶瓷套管在电极处焊接电极连线；
    (12)浸锡：将焊接好的加热型陶瓷套管在焊接处进行浸锡，浸锡时间为2～3s。
  5. 如权利要求4所述的针式加热器的制备方法，其特征在于：所述氧化铝粉料为氧化铝或者氧化铝与氮化铝、脉石英、砂岩、石英岩、石英砂、燧石、硅藻土、莫来石、堇青石、硅灰石、红柱石、石灰石、石英、高岭土、氧化钾、氧化钠、氧化钙、氧化镁、氧化铁、氧化钛中一种或几种混合而成。
  6. 利要求4所述的针式加热器的制备方法，其特征在于：所述润滑剂由豆油和桐油按照组成，其中豆油所占质量百分比为40％，桐油所占质量百分比为60％。
  7. 一种具有针式加热器的电加热卷烟，包括电源杆、辅助插入器，电源杆包括一端开口的外壳及设于外壳中的电源装置、加热元件，其特征在于：所述加热元件包括加热器底座及安装在加热器底座上的针式加热器，所述针形加热体包括锥帽及与锥帽底部连接的加热器基体，发热元件通过涂布印刷的方式附着在加热器基体上，电源装置用于给加热器底座供电，辅助插入器为一端开口可插入外壳的腔体结构，其底部设有可供针式加热器插入的穿孔，辅助插入器内壁围成用于装入烟草制品的加热腔，针式加热器从穿孔插入后可伸入加热腔进而刺入烟草制品中。
  8. 如权利要求7所述的具有针式加热器的电加热卷烟，其特征 在于：还包括烟嘴，所述辅助插入器的开口端与烟嘴可拆卸连接，外壳的开口端与烟嘴可拆卸连接。
  9. 如权利要求7所述的具有针式加热器的电加热卷烟，其特征在于：加热器底座与外壳固定连接，针式加热器沿外壳的轴向固定在加热器底座上，且针式加热器的尖端靠近外壳的开口端。
  10. 如权利要求7所述的具有针式加热器的电加热卷烟，其特征在于：针式加热器为一个；或者具有两个或三个，呈直线排列；或者针式加热器具有三个，呈等边三角形排列；或者针式加热器具有四个，呈正方形排列。
PCT/CN2017/083973 2016-05-12 2017-05-11 针式加热器、其制备方法及带针式加热器的电加热卷烟 WO2017193958A1 (zh)

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CA3021035A CA3021035C (en) 2016-05-12 2017-05-11 Needle-type heater and preparation method thereof, and electrically heated cigarette having same
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JP2018553379A JP6811786B2 (ja) 2016-05-12 2017-05-11 ニードルタイプヒータ、その製造方法及びニードルタイプヒータを備える電気加熱式タバコ
AU2017262924A AU2017262924B2 (en) 2016-05-12 2017-05-11 Needle-type heater and preparation method thereof, and electrically heated cigarette having same
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