WO2018094638A1 - 加热不燃烧烟具及其加热组件 - Google Patents

加热不燃烧烟具及其加热组件 Download PDF

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Publication number
WO2018094638A1
WO2018094638A1 PCT/CN2016/107056 CN2016107056W WO2018094638A1 WO 2018094638 A1 WO2018094638 A1 WO 2018094638A1 CN 2016107056 W CN2016107056 W CN 2016107056W WO 2018094638 A1 WO2018094638 A1 WO 2018094638A1
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WO
WIPO (PCT)
Prior art keywords
heating
heating rod
rod
wire
heating assembly
Prior art date
Application number
PCT/CN2016/107056
Other languages
English (en)
French (fr)
Inventor
陈家太
陈时凯
Original Assignee
深圳市赛尔美电子科技有限公司
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 深圳市赛尔美电子科技有限公司 filed Critical 深圳市赛尔美电子科技有限公司
Priority to PCT/CN2016/107056 priority Critical patent/WO2018094638A1/zh
Publication of WO2018094638A1 publication Critical patent/WO2018094638A1/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
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/17—Filters specially adapted for simulated smoking devices
    • 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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • 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
    • A24F40/51—Arrangement of sensors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the invention relates to the field of air heating technology, in particular to a heating non-combustion smoking article and a heating assembly thereof.
  • Tobacco harm is one of the most serious public health problems in the world today. Numerous scientific evidence suggests that smoking and secondhand smoke exposure (passive smoking) are a serious hazard to human health. According to statistics from the World Health Organization (WHO), the number of people dying from smoking in the world is as high as 6 million per year, that is, one person dies of smoking-related diseases every six seconds on average; half of smokers will die prematurely due to smoking. The number of non-smokers killed by second-hand smoke is about 600,000.
  • WHO World Health Organization
  • the tobacco market urgently needs a kind of smoke and smoke that can bring excitement and pleasure to smokers like traditional tobacco.
  • Such products that are not harmed by health.
  • the heating non-combustion technology directly heats the tobacco through the smoking article but does not burn to generate smoke, which can achieve the satisfaction of the cigarette, and can reduce the generation and inhalation of harmful substances in the combustion process, and is an innovative product most likely to have a subversive effect on the cigarette.
  • the smoking articles used in the heating non-combustion technology generally include a heating assembly for heating the inhaled cold air, which is the main energy for baking the tobacco product.
  • a heating assembly for heating the inhaled cold air, which is the main energy for baking the tobacco product.
  • the heating rate of conventional heating components is slow to be improved.
  • a heating assembly comprising:
  • a tube body having an air inlet at one end thereof, and a filter screen disposed in the tube body, the filter screen separating the tube body into an upper chamber and a lower chamber communicating with each other;
  • a heating rod is received in the lower cavity, one end of the heating rod is in direct contact with the filter screen, a heating space is formed between the heating rod and an inner wall of the tube body, and a heating space is formed in the heating space Spiral or stepped flow channel.
  • a heating non-burning smoking article comprising:
  • the filter screen can not only prevent the smoke residue of the tobacco product from leaking, but also the heat on the heating rod can be directly transmitted to the filter screen.
  • the filter mesh is in direct contact with the tobacco product, so that the heat is directly transmitted to the filter through the heating rod, which can speed up the heating rate of the tobacco product, accelerate the atomization speed of the tobacco, and enter the lower cavity of the pipe body through the air inlet. After passing through the spiral or stepped flow guiding channel, it is heated into a hot air flow, and the hot air flows through the filter into the upper cavity to heat the tobacco product in the upper cavity.
  • FIG. 1 is an exploded perspective view showing a tobacco product to be inserted into a heating assembly in an embodiment
  • Figure 2 is a side view of the heating assembly of Figure 1;
  • Figure 3 is a cross-sectional view of the heating assembly of an embodiment
  • Figure 4 is a cross-sectional view of a heating assembly in another embodiment
  • Figure 5 is a cross-sectional view of a heating assembly in still another embodiment
  • Figure 6 is a cross-sectional view of a heating assembly in still another embodiment
  • Fig. 7 is a cross-sectional view showing an intake pipe communicating pipe body in an embodiment.
  • the heating non-combustion smoking article 10 in an embodiment directly heats the tobacco product 20 by heating without burning, but does not burn to generate smoke, which can achieve satisfaction of the cigarette or not. Burn cigarettes to avoid the generation and inhalation of harmful substances during combustion.
  • the tobacco product 20 can be a tobacco sheet, a cigarette or shredded tobacco, and the like.
  • the heating non-combustion smoking article 10 includes a heating assembly 100 and a heat generating tube.
  • the heating assembly 100 is mainly used for heating the sucked cold air.
  • the heating assembly 100 includes a tubular body 110, a heating rod 120, a heating wire 130, and a screen 140.
  • One end of the pipe body 110 is provided with an air inlet 1231, and the suction force generated by the outside cold air by the suction action enters the pipe body 110 through the air inlet 1231.
  • the other end of the pipe body 110 is further provided with an air outlet 1111.
  • the cold air is heated to form a hot air flow, and the hot air flow enters the heat pipe through the air outlet 1111 to radiantly heat the tobacco product 20.
  • the flow direction of the air flow is indicated by an arrow in FIG.
  • the heating assembly 100 further includes an intake duct 200 .
  • the intake duct 200 includes an air inlet end 210 and an air outlet end 220.
  • the side wall of the intake duct 200 is sealed, and the air outlet end 220 is in communication with the air inlet 1231.
  • the cold air enters the intake duct 200 from the intake end 210, and is discharged from the outlet end 220, thereby entering the tubular body 110 through the intake port 1231. Because the side wall of the intake duct 200 is sealed, the cold air can only enter the pipe body 110 from the air outlet end 220 after entering the air inlet end 210, and no leakage or mixing of other gases during the air guiding process is beneficial to ensure the airflow.
  • the source is clean and non-polluting.
  • the air inlet end 210 is provided with a unidirectional air flow sensor 230 for sensing the air flow when the suction action occurs to record the effective number of smoking ports.
  • the one-way airflow sensor 230 can be a single-point microphone.
  • the tube body 110 may be formed of an insulating, heat-conductive material, so that the tube body 110 itself does not generate heat, but conducts heat generated by the heating wire 130.
  • the tube body 110 may be an easily thermally conductive metal, ceramic or other medium, and the tube body 110 may also be an insulated aluminum material or the like.
  • a screen 140 is disposed in the tubular body 110, and the screen 140 divides the tubular body 110 into an upper chamber 111a and a lower chamber 112a that communicate with each other.
  • the upper cavity 111a is for housing the tobacco product 20, and the lower cavity 112a is for receiving the heating assembly 100.
  • the screen 140 is made of a thermally conductive material.
  • the height of the upper cavity 111a is two-thirds of the effective length of the tobacco product 20.
  • the heating rod 120 is housed in the lower chamber 112a, and one end 12a of the heating rod 120 is in direct contact with the screen 140. Specifically, in this embodiment, both ends of the heating wire 130 are electrically connected to the power source or the battery 30. After the power is applied, the heating wire 130 can generate heat, and the heating rod 120 can be formed of an insulating, high temperature resistant, and heat conductive material. That is, the heating rod 120 itself is not energized to generate heat, but is heated by the heating wire 130, and the heat of the heating wire 130 is transferred to the heating rod 120.
  • the heating rod 120 can be ceramic, insulated metal, or the like.
  • the heating rod 120 may have a cylindrical shape.
  • the heating rod 120 can also be electrically connected to the power source or the battery through a wire, and can directly generate heat after being energized.
  • the temperature sensor 150 may be disposed on the outer side wall of the tube body 110 to conveniently and quickly and accurately measure the temperature of the heating rod 120 after heating.
  • temperature sensor 150 can be a thermistor, such as an NTC thermistor.
  • the temperature sensor 150 detects the temperature of the heating rod 120 and feeds it back to the control system (such as the MCU).
  • the control system continuously adjusts the supply current according to the program command so that the temperature of the heating rod 120 is always within the controllable range.
  • the outer side wall of the heating rod 120 is provided with a spiral groove 121.
  • the heating wire 130 is spirally wound around the outer side wall of the heating rod 120 along the spiral groove 121, and the outer side wall of the heating wire 130 and the heating rod 120.
  • the spiral groove 121 and the inner wall of the pipe body 110 together form a spiral flow guiding passage 110a.
  • the height of the side wall of the spiral groove 121 is larger than the diameter of the heating wire 130 to ensure the size of the flow guiding passage 110a.
  • the heating wire 130 is spirally wound around the outer side wall of the heating rod 120 along the spiral groove 121, the air flow can be directly heated not only by the heating wire 130, but also the heat generated by the heating wire 130 can heat the heating rod 120.
  • the heating rod 120 is heated.
  • the gas stream can also be heated after heating.
  • the heating rod 120 is provided with a through hole 122 extending along the axial direction of the heating rod 120 and penetrating the two ends thereof.
  • One end 131 of the heating wire 130 extends from one end of the tubular body 110 into the tubular body 110 and is wound around the heating rod 120.
  • the other end 132 of the heating wire 130 protrudes from the one end of the tubular body 110 through the through hole 122. . That is, one end 131 of the heating wire 130 and the other end 132 of the heating wire 130 protrude and protrude from the same end of the tube body 110. Therefore, when the heating wire 130 passes through the through hole 122, the heating rod 120 can be performed from the inside of the heating rod 120. heating.
  • the heating wire 130 is wound around the outer wall of the heating rod 120 to heat the outside of the heating rod 120.
  • the portion of the heating wire 130 penetrating through the through hole 122 inside the heating rod 120 can heat the inside of the heating rod 120 to heat the rod.
  • the simultaneous and uniform heating of 120 inside and outside is advantageous for accelerating the heating rate of the heating rod 120.
  • the abutting plate 123 may be disposed at one end 12 b of the heating rod 120 away from the filter screen 140 , and the through hole 122 penetrates the abutting plate 123 .
  • One end of the inner side wall of the tubular body 110 extends inwardly along the radial direction thereof to form a resisting portion 113.
  • the inner diameter of the resisting portion 113 is smaller than the outer diameter of the resisting plate 123, and the resisting portion 113 is used for abutting against the resisting plate 123 to prevent the heating rod. 120 falls from the tube body 110.
  • the air inlet 1231 may be a hole opened in the middle of the resisting plate 123 or an opening opened in the edge of the resisting plate 123.
  • the number of the air inlets 1231 may be two, and of course other numbers may be used.
  • the heating rod 120 is entirely housed in the lower chamber 112a.
  • a side hole 1241 is defined in a side wall of one end of the heating rod 120.
  • the side hole 1241 communicates with the through hole 122, and the other end of the heating wire 130 extends from the side hole 1241 into the through hole 122.
  • the material of the screen 140 can also have an easy-to-clean property.
  • the material of the screen 140 may be metal, stainless steel, or the like.
  • the tubular body 110 includes an upper tubular body 111 and a lower tubular body 112.
  • One end of the upper tubular body 111 is sleeved at one end of the lower tubular body 112, and the filter mesh 140 is located at an end surface of one end of the lower tubular body 112. It is pressed and fixed by the upper tube 111.
  • the upper chamber 111a is formed by the screen 140 and the upper tube 111
  • the lower chamber 112a is formed by the screen 140 and the lower tube 112.
  • the upper tubular body 111 can be screwed to the lower tubular body 112 in a threaded manner.
  • the upper tube body 111 is for holding the tobacco product 20, and the inner diameter of the upper tube body 111 corresponds to the diameter of the tobacco product 20.
  • the inner diameter of the upper tubular body 111 may be the same as the diameter of the tobacco product 20, or may be slightly larger than the diameter of the tobacco product 20 to ensure that the tobacco product 20 can be smoothly placed into the cavity while the outer side wall of the tobacco product 20 does not. It is too far from the inner side wall of the upper tube 111 to affect the heating effect.
  • the height of the upper tubular body 111 is less than or equal to two-thirds of the effective length of the tobacco product 20.
  • the effective length of the tobacco product 20 refers to the length of the portion of the tobacco product 20 from which the filter is removed.
  • the lower tube body 112 is provided near the end of the upper tube body 111 with a boss portion 1121 (shown in FIG. 2) extending radially outward. Therefore, the inner diameter of the end portion of the lower tubular body 112 adjacent to the upper tubular body 111 is larger than the inner diameter of the other end of the lower tubular body 112, so that the flow area of the airflow is enlarged, and the contact area of the hot airflow with the tobacco product 20 is enlarged, which is advantageous for sufficient
  • the tobacco product 20 is heated.
  • the upper tube body 111 is approximately the same size as the tobacco product 20 such that one end of the tobacco product 20 can be received within the upper tube body 111.
  • the assembly method of the above heating assembly 100 is roughly as follows:
  • one end 131 of the heating wire 130 is inserted into the air inlet 1231, and then the heating wire 130 is spirally wound on the outer side wall of the heating rod 120 along the spiral groove 121, and the other end 132 of the heating wire 130 protrudes through the through hole 122. Heat the rod 120.
  • the heating rod 120 wound with the heating wire 130 extends from the upper end of the lower tube body 112 into the lower tube body 112 until the abutting plate 123 abuts against the abutting portion 113, and one end 131 and the other end 132 of the heating wire 130 are from the lower tube body.
  • the lower end of the protrusion 112 is extended; then the filter screen 140 is assembled to the end surface of the upper end of the upper tube body 111, the screen 140 is brought into contact with one end 12a of the heating rod 120, and finally the upper tube body 111 is screwed to the lower tube body 112. The screen 140 is pressed against the upper portion to bring the screen 140 into close contact with one end 12a of the heating rod 120.
  • the heating assembly 100 can also be spirally wound on the outer sidewall of the heating rod 120 by the heating wire 130 to make the heating wire 130 and the outer sidewall of the heating rod 120 and the tubular body 110.
  • the inner walls collectively form a spiral flow guiding passage 110a.
  • the spiral groove 121 on the outer side wall of the heating rod 120 is omitted, which is advantageous in simplifying the manufacturing process of the heating rod 120.
  • the screen 140 is integrally formed with the tube body 110. Therefore, the assembly step can be saved during assembly.
  • the screen 140 divides the tubular body 110 into an upper cavity 111a and a lower cavity 112a.
  • the screen 140 may also be a separate structure from the tube body 110.
  • one end of the lower cavity 112 a is opened, and one end 12 b of the heating bar 120 away from the filter 140 is provided with a resisting plate 123 , and the through hole 122 penetrates the resisting plate 123 .
  • the outer diameter of the abutting plate 123 is larger than the inner diameter of the tubular body 110, and the abutting plate 123 abuts against the end of the tubular body 110.
  • the air inlet 1231 may be an opening formed at an edge of the resisting plate 123 or a hole formed between the edge of the resisting plate 123 and the through hole 122.
  • the direction indicated by the arrow in Fig. 4 is the flow direction of the airflow.
  • the assembly steps of the heating assembly 100 shown in Figure 4 are generally as follows:
  • one end 131 of the heating wire 130 is inserted into the air inlet 1231, and then the heating wire 130 is spirally wound on the outer side wall of the heating rod 120, and then the other end 132 of the heating wire 130 is taken out through the through hole 122.
  • the assembled heating wire 130 and the heating rod 120 extend into the lower cavity 112a until the abutting plate 123 abuts against the end of the tube body 110, and one end 12a of the heating rod 120 is in close contact with the screen 140.
  • the heating wire 130 forms a flow guiding passage 110a together with the outer side wall of the heating rod 120 and the inner wall of the tubular body 110.
  • the heating pipe is provided with a receiving hole for receiving the tobacco product 20.
  • the inner diameter of the receiving aperture is approximately the same size as the tobacco product 20 such that the tobacco product 20 can be placed within the receiving aperture.
  • the heating tube is connected to the tube body 110.
  • the heat pipe can be screwed to the pipe body 110.
  • an internal thread may be disposed on the inner side wall of the upper cavity 111a, and an external thread may be disposed on the outer side wall of the heat pipe, and the internal thread is screwed with the external thread.
  • the approximate working process of the above heating non-burning smoking article 10 is specifically as follows:
  • the outside cold air enters the lower tube body 112 through the air inlet 1231.
  • the cold air is along the outer wall of the heating wire 130, the heating rod 120, and the inner wall of the tube body 110 or by the heating wire 130 and the heating rod.
  • the flow guiding channel 110a formed by the outer side wall of the 120, the spiral groove 121 and the inner wall of the pipe body 110 flows upward.
  • the heating wire 130 heats the cold air, and the heated hot air flow enters through the filter screen 140.
  • the tobacco product 20 in the upper tube body 111 is subjected to smoke distillation without heating.
  • the heating non-combustion smoking article 10 and the heating assembly 100 thereof, the spiral heating wire 130 and the outer side wall of the heating rod 120 and the inner wall of the tube body 110 together form a flow guiding channel 110a, so that the guiding channel 110a is also spiral, cold air After being sucked into the tubular body 110 through the air inlet 1231, it flows along the spiral flow guiding passage 110a, and the heating wire 130 is quickly heated to heat up, and the airflow in the guiding passage 110a is heated by the heating wire 130.
  • Heating with the heating rod 120 extends the contact time and contact area of the cold air with the heating wire 130 and the heating rod 120, so that the inhaled cold air can be sufficiently heated to realize the smoke distillation and the tobacco without heating.
  • the utilization efficiency of the product 20 can reach more than 50%, and the heating effect is more uniform. Moreover, when there is no smoking action, there is no suction force to allow cold air to enter the heating assembly 100, so that there is no hot air flow to heat the tobacco product 20, which can effectively reduce the loss of the tobacco product 20, and is beneficial to the relative increase in the number of smoking mouths.
  • the screen 140 can be used not only to prevent the smoke residue of the tobacco product 20 from leaking, but also the heat on the heating rod 120 can be directly
  • the filter 140 is transferred to the screen 140, and the screen 140 is in direct contact with the tobacco product 20, so that heat is directly transmitted to the screen 140 through the heating rod 120, which can speed up the temperature rise of the tobacco product 20, accelerate the atomization speed of the tobacco, and pass the cold air through.
  • the gas port 1231 enters the lower cavity 112a of the tubular body 110, it is heated into a hot gas flow, and the hot gas flows through the sieve 140 into the upper cavity 111a to heat the tobacco product 20 in the upper cavity 111a.
  • the heating rod 120 is electrically connected to the power source or the battery 30 via the wire 600, and the heating bar 120 can be heated after being energized.
  • the heating rod 120 may be a ceramic rod containing a heating wire and a thermistor wire, and the thermistor wire and the heating wire are integrally formed with the ceramic rod.
  • the heating rod 120 can also be a metal material with better heating performance and the like.
  • the heating wire can be omitted, and a spiral guiding member 400 is sleeved on the heating rod 120, so that the outer wall of the guiding member 400, the heating rod 120 and the inner wall of the tube 110 form a spiral.
  • the flow guiding channel 110a After the cold air enters the pipe body 110 through the intake port 1231, it flows along the flow guiding passage 110a (as indicated by the direction of the arrow in Fig. 5).
  • the flow guide 400 can be a spring, which is small in size, large in number of turns, and fast in temperature rise.
  • the spring can be made of a material that is resistant to high temperatures and is easily thermally conductive.
  • FIG. 6, is a heating assembly 100 in still another embodiment.
  • the heating rod 120 is electrically connected to the power source or the battery 30 through the wire 600, and generates heat after being energized.
  • the outer side wall of the heating rod 120 is protruded in the radial direction thereof to form a convex ring 500.
  • the number of the convex rings 500 is plural, and the plurality of convex rings 500 are spaced apart along the axial direction of the heating rod 120.
  • the convex ring 500 is provided with a notch 510 , and the notch 510 on the adjacent two convex rings 500 is located on different sides of the heating rod 120 .
  • the notches 510 on the adjacent two convex rings 500 are located on opposite sides of the heating rod 120.
  • the notches on two adjacent convex rings may also be located on adjacent sides.
  • the space between the respective convex rings 500 communicates through the notches to form a stepped flow guiding channel.
  • the convex ring 500 can also realize the communication between the adjacent two convex rings 500 by opening the openings. After the cold air enters the pipe body 110 through the air inlet 1231, the space surrounded by the two adjacent convex rings 500 from the lowermost portion gradually enters the adjacent two adjacent convex rings 500 through the gap or the opening. The space then enters the space enclosed by the upper two adjacent convex rings 500 and finally enters the upper cavity 111a through the screen 140 to heat the tobacco product 20 to atomize to generate smoke.
  • the outer side wall of the heating rod 120 is directly provided with a spiral guiding groove. After the cold air enters the tube body 110 through the air inlet 1231, the cooling air flows along the path of the guiding channel to heat. The rod 120 heats the cold air.

Landscapes

  • Resistance Heating (AREA)

Abstract

一种加热不燃烧烟具（10）及其加热组件（100）。该加热组件（100）包括发热管体（110）及加热棒（120），管体（110）内设置有滤网（140），滤网（140）将管体（110）分割成相互连通的上腔体（111a）及下腔体（112a），加热棒（120）的一端与滤网（140）直接接触。

Description

加热不燃烧烟具及其加热组件
【技术领域】
本发明涉及空气加热技术领域，特别是涉及一种加热不燃烧烟具及其加热组件。
【背景技术】
烟草的危害是当今世界最为严重的公共卫生问题之一。众多的科学证据表明，吸烟和二手烟暴露（被动吸烟）严重危害人类健康。据世界卫生组织（WHO）的统计数字显示，全世界每年因吸烟死亡的人数高达600万，即平均每6秒钟有1人死于吸烟相关疾病；吸烟者中将会有一半因吸烟提早死亡；因二手烟暴露所造成的非吸烟者年死亡人数约为60万。
鉴于当今人类对烟草制品的严重依赖性和健康所受到癌症、疾病方面挑战的双重压力；烟草市场迫切需一种既能同传统烟草一样给烟民带来兴奋和愉悦，又能够使烟民的健康不受到伤害的这样的产品。加热不燃烧技术通过烟具直接加热烟草但不燃烧产生烟雾，既可以实现近似卷烟的满足感，又可以减少燃烧过程中有害物质的产生和吸入，是最可能对卷烟产生颠覆性影响的创新产品。
加热不燃烧技术采用的烟具一般包括加热组件，用于对吸入的冷空气进行加热，加热后的空气是烘蒸烟草制品的主要能量。但是传统的加热组件的加热速度较慢有待提高。
【发明内容】
基于此，有必要提供一种可以有效加快加热速度的加热不燃烧烟具及其加热组件。
一种加热组件，包括：
管体，其一端设有进气口，所述管体内设置有滤网，所述滤网将所述管体分隔成相互连通的上腔体及下腔体；及
加热棒，收容于所述下腔体内，所述加热棒的一端与所述滤网直接接触，所述加热棒与所述管体的内壁之间形成加热空间，且所述加热空间内形成有螺旋式或阶梯式的导流通道。
一种加热不燃烧烟具，包括：
如以上所述的加热组件。
上述加热不燃烧烟具及其加热组件，由于加热棒的一端与滤网直接接触，因此滤网不仅可以用来防止烟草制品的烟渣下漏，而且加热棒上的热量能够直接传递给滤网，而滤网与烟草制品直接接触，因此热量通过加热棒直接传递给滤网，可以加快烟草制品的升温速度，使烟草雾化速度加快，冷空气通过进气口进入管体的下腔体后，通过螺旋式或阶梯式的导流通道后，被加热成热气流，热气流通过滤网进入上腔体内，对上腔体内的烟草制品进行加热。
【附图说明】
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术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发明的一些实施例，对于本领域普通技术人员来讲，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实施例的附图。
图1为一实施方式中烟草制品即将插入加热组件的分解示意图；
图2为图1中加热组件的侧视图；
图3为一实施方式中加热组件的剖视图；
图4为另一实施方式中加热组件的剖视图；
图5为再一实施方式中加热组件的剖视图；
图6为又一实施方式中加热组件的剖视图；
图7为一实施方式中进气管道连通管体的剖视图。
【具体实施方式】
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合附图对本发明的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本发明。但是本发明能够以很多不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本发明内涵的情况下做类似改进，因此本发明不受下面公开的具体实施的限制。
需要说明的是，当元件被称为“固定于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
请参阅图1，一实施方式中的加热不燃烧烟具10，主要通过加热不燃烧的技术来对烟草制品20直接进行加热但不燃烧来产生烟雾，既可以实现近似卷烟的满足感，又可以不燃烧卷烟，以避免燃烧过程中有害物质的产生和吸入。烟草制品20可以是烟草薄片、卷烟或者烟丝等等。具体到本实施方式中，加热不燃烧烟具10包括加热组件100及发热管。
请一并参阅图2及图3，为一实施方式中的加热组件100，加热组件100主要用于对吸入的冷空气进行加热。加热组件100包括管体110、加热棒120、加热丝130及滤网140。
管体110的一端设有进气口1231，外界的冷空气通过抽吸动作产生的抽吸力经由进气口1231进入管体110内。管体110的另一端还设有出气口1111，冷空气经过加热后形成热气流，热气流通过出气口1111进入发热管中对烟草制品20进行辐射加热。具体地气流流动方向如图3中的箭头指示方向。
请参阅图7，具体到本实施方式中，加热组件100还包括进气管道200。进气管道200包括入气端210及出气端220，进气管道200的侧壁为密封状，出气端220与进气口1231相连通。发生抽吸动作时，冷空气从入气端210进入进气管道200，从出气端220排出，从而通过进气口1231进入管体110内。因为进气管道200的侧壁密封，因此冷空气从入气端210进入后，只能从出气端220进入管体110内，导气过程中不会产生泄漏或者混入其它气体，有利于保证气流源的清洁、无污染。
入气端210设置有单向气流传感器230，单向气流传感器230用于感应抽吸动作发生时的气流，以记录有效的吸烟口数。例如，单向气流传感器230可以为单指向咪头。
管体110可以由绝缘、易导热的材料形成，因此管体110本身不产生热量，而是传导加热丝130产生的热量。例如，管体110可以是易导热金属、陶瓷或其它介质，管体110也可以是绝缘处理后的薄铝材质等等。
管体110内设置有滤网140，滤网140将管体110分隔成相互连通的上腔体111a及下腔体112a。上腔体111a用于收容烟草制品20，下腔体112a用于收容加热组件100。滤网140为导热材料制成。上腔体111a的高度为烟草制品20有效长度的三分之二。
加热棒120收容于下腔体112a内，加热棒120的一端12a与滤网140直接接触。具体到本实施方式中，加热丝130的两端与电源或者电池30电连接，通电后加热丝130可发热，加热棒120可以由绝缘、耐高温、易导热的材料形成。即，加热棒120本身不通电产生热量，而是通过加热丝130通电后升温，加热丝130的热量传递至加热棒120。例如，加热棒120可以为陶瓷、绝缘处理后的金属等等。加热棒120可以为圆柱体形状。
当然，在其它的实施方式中，加热棒120还可以通过导线与电源或者电池电连接，通电后可直接发热。
具体到本实施方式中，还可以通过在管体110的外侧壁上设置温度传感器150，以方便快速、准确的测量加热后加热棒120的温度。例如，温度传感器150可以是热敏电阻，如NTC热敏电阻器。温度传感器150检测到加热棒120的温度后反馈到控制系统（如单片机MUC），控制系统根据程序指令不断调节供电电流，使加热棒120的温度始终处于可控范围内。
具体到本实施方式中，加热棒120的外侧壁上开设有螺旋槽121，加热丝130沿螺旋槽121呈螺旋状缠绕于加热棒120的外侧壁上，加热丝130、加热棒120的外侧壁、螺旋槽121及管体110的内壁共同形成螺旋式导流通道110a。螺旋槽121的侧壁的高度大于加热丝130的直径尺寸，以保证导流通道110a的尺寸。
因为加热丝130沿螺旋槽121呈螺旋状缠绕于加热棒120的外侧壁，因此不仅可以通过加热丝130直接对气流进行加热，加热丝130产生的热量还可以使加热棒120升温，加热棒120升温后也可以对气流进行加热。
具体到本实施方式中，加热棒120上开设有通孔122，通孔122沿加热棒120的轴向延伸且贯穿其两端。加热丝130的一端131从管体110的一端伸入管体110内缠绕于加热棒120上，加热丝130的另一端132经过通孔122从管体110的所述一端伸出管体110外。即，加热丝130的一端131和加热丝130的另一端132从管体110的同一端伸入和伸出，因此加热丝130经过通孔122时，可以从加热棒120的内部对加热棒120进行加热。
加热丝130缠绕于加热棒120的外侧壁的部分可以对加热棒120外侧进行加热，加热丝130穿设在加热棒120内部的通孔122的部分可以对加热棒120内侧进行加热，使加热棒120内外同时且均匀加热，有利于加快加热棒120的升温速度。
具体到本实施方式中，可以通过在加热棒120远离滤网140的一端12b设置抵持板123，通孔122贯穿抵持板123。管体110的内侧壁的一端沿其径向向内延伸形成抵挡部113，抵挡部113的内径小于抵持板123的外径，抵挡部113用于与抵持板123相抵接，防止加热棒120从管体110内掉落。进气口1231可以为开设于抵持板123中部的孔或者开设于抵持板123边缘的开口。进气口1231的数量可以为两个，当然也可以为其他数量。此时，加热棒120整体收容于下腔体112a内。
加热棒120的一端的侧壁上开设有侧孔1241，侧孔1241与通孔122相连通，加热丝130的另一端从侧孔1241伸入通孔122内。
滤网140的材质还可以具有易清洁的特性。例如，滤网140的材质可以为金属、不锈钢等等。通过加热棒120与滤网140紧密贴合，加热丝130产生的热量可以通过加热棒120迅速传导至滤网140上，而滤网140与烟草制品20直接接触，因此滤网140可对烟草制品20加热，加快加热速度。
具体到本实施方式中，管体110包括上管体111及下管体112，上管体111的一端套设于下管体112的一端，滤网140位于下管体112的一端的端面上并被上管体111压置固定。上腔体111a由滤网140及上管体111共同形成，下腔体112a由滤网140及下管体112共同形成。上管体111可以通过螺纹方式与下管体112相螺接。
上管体111用于盛放烟草制品20，且上管体111的内径与烟草制品20的直径相对应。例如，上管体111的内径可以与烟草制品20的直径相同，也可以比烟草制品20的直径略大，以保证烟草制品20可以顺利放入腔体内，同时烟草制品20的外侧壁又不会离上管体111的内侧壁太远，影响加热效果。上管体111的高度小于或等于烟草制品20的有效长度的三分之二。烟草制品20的有效长度是指烟草制品20除去过滤嘴的部分的长度。
具体到本实施方式中，下管体112靠近上管体111的端部设置有沿其径向向外延伸的凸台部1121（如图2所示）。因此，下管体112靠近上管体111的端部内径尺寸大于下管体112另一端的内径尺寸，所以扩大了气流的流动面积，扩大了热气流与烟草制品20的接触面积，有利于充分加热烟草制品20。上管体111的尺寸大致与烟草制品20的尺寸相当，使烟草制品20的一端可以收容在上管体111内。
上述加热组件100的组装方式大致为：
先将加热丝130的一端131穿入进气口1231，然后将加热丝130沿螺旋槽121呈螺旋状缠绕于加热棒120的外侧壁上，加热丝130的另一端132通过通孔122伸出加热棒120。缠绕了加热丝130的加热棒120从下管体112的上端伸入下管体112内，直到抵持板123与抵挡部113相抵接，加热丝130的一端131、另一端132从下管体112的下端伸出；然后将滤网140组装至上管体111的上端的端面上，使滤网140与加热棒120的一端12a相接触，最后将上管体111螺接到下管体112的上部并压置滤网140，使滤网140与加热棒120的一端12a紧密接触。
请参阅图4，为另一实施方式中加热组件100，还可以通过加热丝130呈螺旋状缠绕于加热棒120的外侧壁上，使加热丝130与加热棒120的外侧壁及管体110的内壁共同形成螺旋式导流通道110a。本实施方式中省略了加热棒120的外侧壁上的螺旋槽121，有利于简化加热棒120的制作工序。
具体到图4所示实施例中，滤网140与管体110一体成型设置。因此，在组装时，可以节省组装步骤。滤网140将管体110分隔成上腔体111a及下腔体112a。当然，在其它的实施方式中，滤网140还可以与管体110为分体结构。
具体到图4所示实施方式中，下腔体112a的一端开口，加热棒120远离滤网140的一端12b设置有抵持板123，通孔122贯穿抵持板123。抵持板123的外径尺寸大于管体110的内径尺寸，抵持板123抵持在管体110的端部。进气口1231可以为开设于抵持板123边缘的开口或者开设于抵持板123的边缘与通孔122之间的孔。图4中箭头的指示方向为气流的流动方向。
图4所示加热组件100的组装步骤大致为：
先将加热丝130的一端131穿入进气口1231，然后将加热丝130呈螺旋状缠绕于加热棒120的外侧壁上，然后将加热丝130的另一端132通过通孔122引出。组装好的加热丝130和加热棒120伸入下腔体112a内，直至抵持板123与管体110的端部相抵接，加热棒120的一端12a与滤网140紧密接触。加热丝130与加热棒120的外侧壁及管体110的内壁共同形成导流通道110a。
发热管开设有收容孔，收容孔用于收容烟草制品20。收容孔的内径尺寸大致与烟草制品20的尺寸相当，以使烟草制品20可以置于收容孔内。发热管与管体110相连接。例如，发热管可以通过螺纹方式与管体110相连接。请参阅图3，可以为上腔体111a的内侧壁上设置内螺纹，再在发热管的外侧壁上设置外螺纹，通过内螺纹与外螺纹相螺合。
上述加热不燃烧烟具10的大概工作过程具体为：
发生抽吸动作时，外界冷空气通过进气口1231进入下管体112内，冷空气沿着由加热丝130、加热棒120的外侧壁及管体110的内壁或者由加热丝130、加热棒120的外侧壁、螺旋槽121及管体110的内壁共同形成的导流通道110a向上流动，经过导流通道110a时，加热丝130对冷空气进行加热，加热后的热气流通过滤网140进入上管体111内，以对上管体111内的烟草制品20在加热不燃烧的情况下实现烟雾蒸馏。
上述加热不燃烧烟具10及其加热组件100，螺旋状的加热丝130与加热棒120的外侧壁及管体110的内壁共同形成导流通道110a，因此导流通道110a也为螺旋状，冷空气通过进气口1231被吸入管体110内后，沿着螺旋状的导流通道110a流动，利用加热丝130易迅速起热升温的特性，并通过加热丝130对导流通道110a内的气流加热和加热棒120加热，延长了冷空气与加热丝130及加热棒120的接触时间和接触面积，因此可以对吸入的冷气进行充分的加热，以在加热不燃烧的情况下实现烟雾蒸馏，提高烟草制品20利用效率可达50%以上，加热效果更加均匀。而且无抽烟动作时，没有抽吸作用力使冷空气进入加热组件100中，也就不会有热气流对烟草制品20加热，可以有效减少烟草制品20的损耗，有利于抽烟口数相对增加。
由于加热棒120的一端12a与滤网140直接接触，滤网140为导热材料制成，因此滤网140不仅可以用来防止烟草制品20的烟渣下漏，而且加热棒120上的热量能够直接传递给滤网140，而滤网140与烟草制品20直接接触，因此热量通过加热棒120直接传递给滤网140，可以加快烟草制品20的升温速度，使烟草雾化速度加快，冷空气通过进气口1231进入管体110的下腔体112a后，被加热成热气流，热气流通过滤网140进入上腔体111a内，对上腔体111a内的烟草制品20进行加热。
请参阅图5，为再一实施方式中的加热组件100。具体到本实施方式中，加热棒120通过导线600与电源或者电池30电连接，加热棒120通电后可发热。例如，加热棒120可以为陶瓷棒，陶瓷棒内含发热丝和热敏电阻丝，热敏电阻丝和发热丝与陶瓷棒一体成型。当然，在其它的实施方式中，加热棒120还可以为加热性能较好的金属材质等等。
本实施方式中，可以省略加热丝，而采用在加热棒120上套设一螺旋状的导流件400，以使得导流件400、加热棒120的外侧壁及管体110的内壁共同形成螺旋式导流通道110a。冷空气通过进气口1231进入管体110内后，沿着导流通道110a流动（如图5中箭头方向所示）。例如，导流件400可以为弹簧，体积小、圈数多、升温快。弹簧可以为耐高温、易导热的材料制成。
请参阅图6，为又一实施方式中的加热组件100。具体到该实施方式中，加热棒120通过导线600与电源或者电池30电连接，通电后可发热。加热棒120的外侧壁沿其径向突出形成有凸环500，凸环500的数量为多个，多个凸环500沿加热棒120的轴向间隔分布。
具体到图6所示实施方式中，凸环500上开设有缺口510，相邻两个凸环500上的缺口510位于加热棒120的不同侧。例如，相邻两个凸环500上的缺口510位于加热棒120的相对侧。当然，在其它的实施方式中，相邻两个凸环上的缺口也可以位于相邻侧。各个凸环500之间的空间通过缺口相连通形成阶梯式导流通道。
另外，凸环500上还可以通过开设开孔的方式，来实现连通由相邻两个凸环500围成的空间。冷空气通过进气口1231进入管体110内后，从由最下方的相邻两个凸环500围成的空间通过缺口或者开孔逐渐进入由中间的相邻的两个凸环500围成的空间，然后进入由最上方的相邻的两个凸环500围成的空间，最后通过滤网140进入上腔体111a，以对烟草制品20进行加热以雾化产生烟雾。
当然，在其它的实施方式中，加热棒120的外侧壁上直接开设有螺旋状的导流槽，冷空气通过进气口1231进入管体110内后，沿着导流槽的路径流动，加热棒120对冷空气进行加热。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (20)

  1. 一种加热组件，包括：
    管体，所述管体的一端设有进气口，所述管体内设置有滤网，所述滤网将所述管体分隔成相互连通的上腔体及下腔体；及
    加热棒，收容于所述下腔体内，所述加热棒的一端与所述滤网直接接触，所述加热棒与所述管体的内壁之间形成加热空间，且所述加热空间内形成有螺旋形或阶梯形的导流通道。
  2. 根据权利要求1所述的加热组件，其特征在于，还包括加热丝，所述加热丝呈螺旋状缠绕于所述加热棒的外侧壁，所述加热丝、所述加热棒的外侧壁及所述管体的内壁共同形成导流通道。
  3. 根据权利要求1所述的加热组件，其特征在于，还包括加热丝，所述加热棒的外侧壁上开设有螺旋槽，所述加热丝沿所述螺旋槽呈螺旋状缠绕于所述加热棒的外侧壁上，所述加热丝、所述加热棒的外侧壁、所述螺旋槽及所述管体的内壁共同形成导流通道。
  4. 根据权利要求2或3所述的加热组件，其特征在于，所述加热丝的两端分别与电源或电池电连接；或者
    所述加热棒通过导线与电源或电池电连接。
  5. 根据权利要求4中所述的加热组件，其特征在于，所述加热棒上开设有通孔，所述通孔沿所述加热棒的轴向延伸且贯穿其两端，所述加热丝的一端从所述管体的一端伸入所述管体内，所述加热丝的另一端经过所述通孔从所述管体的一端伸出所述管体外。
  6. 根据权利要求5所述的加热组件，其特征在于，所述加热棒的一端的侧壁上开设有侧孔，所述侧孔与所述通孔相连通，所述加热丝的另一端从所述侧孔伸入所述通孔内。
  7. 根据权利要求1所述的加热组件，其特征在于，所述管体包括上管体及下管体，所述上管体的一端套设于所述下管体的一端，所述滤网位于所述上管体与所述下管体之间，所述上管体用于盛放烟草制品，且所述上管体的内径与所述烟草制品的直径相对应。
  8. 根据权利要求7所述的加热组件，其特征在于，所述上管体的高度小于或等于所述烟草制品的有效长度的三分之二。
  9. 根据权利要求1所述的加热组件，其特征在于，所述加热棒的外侧壁上开设有螺旋状导流槽，所述加热棒通过导线与电源或者电池连接。
  10. 根据权利要求1所述的加热组件，其特征在于，所述加热棒通过导线与电源或者电池连接，所述加热棒上套设有螺旋状的导流件，所述导流件、所述加热棒的外侧壁及所述管体的内壁共同形成导流通道。
  11. 根据权利要求10所述的加热组件，其特征在于，所述导流件为弹簧。
  12. 根据权利要求1所述的加热组件，其特征在于，所述加热棒通过导线与电源或者电池连接，所述加热棒的外侧壁沿其径向突出形成有凸环，所述凸环的数量为多个，多个所述凸环沿所述加热棒的轴向间隔分布，所述凸环上开设有开孔或缺口，相邻两个所述凸环上的通孔或缺口位于所述加热棒的不同侧。
  13. 根据权利要求1所述的加热组件，其特征在于，还包括进气管道，所述进气管道包括入气端及出气端，所述进气管道的侧壁为密封状，所述出气端与所述进气口相连通。
  14. 根据权利要求13所述的加热组件，其特征在于，所述入气端设置有单向气流传感器。
  15. 根据权利要求14所述的加热组件，其特征在于，所述单向气流传感器为单指向咪头。
  16. 根据权利要求1所述的加热组件，其特征在于，所述管体为绝缘且导热材料制成，所述管体的外侧壁上设置有温度传感器。
  17. 根据权利要求16所述的加热组件，其特征在于，还包括控制器，所述温度传感器侦测到所述加热棒的温度信息后反馈至所述控制器，所述控制器根据反馈的温度信息控制供电电流。
  18. 根据权利要求7所述的加热组件，其特征在于，所述下管体靠近所述上管体的端部设置有沿其径向向外延伸的凸台部。
  19. 根据权利要求1所述的加热组件，其特征在于，所述滤网与所述管体一体成型。
  20. 一种加热不燃烧烟具，其特征在于，包括：
    如权利要求1至19中任意一项所述的加热组件。
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