CN210929620U - Heating device for low-temperature cigarette - Google Patents
Heating device for low-temperature cigarette Download PDFInfo
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- CN210929620U CN210929620U CN201921680114.XU CN201921680114U CN210929620U CN 210929620 U CN210929620 U CN 210929620U CN 201921680114 U CN201921680114 U CN 201921680114U CN 210929620 U CN210929620 U CN 210929620U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 200
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 94
- 241000208125 Nicotiana Species 0.000 claims abstract description 19
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 19
- 239000011229 interlayer Substances 0.000 claims abstract description 3
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 229910001369 Brass Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000010951 brass Substances 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 description 10
- 230000000391 smoking effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000001273 butane Substances 0.000 description 2
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- IRJNJBIOUYJBHG-UHFFFAOYSA-N 3-(1-methylpyrrolidin-2-yl)pyridine Chemical compound CN1CCCC1C1=CC=CN=C1.CN1CCCC1C1=CC=CN=C1 IRJNJBIOUYJBHG-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 229960003638 dopamine Drugs 0.000 description 1
- 230000005183 environmental health Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000002569 neuron Anatomy 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model discloses a heating device for low-temperature cigarettes, which comprises a base, a heating part and a barrel body with openings at two ends; the base is used for supporting the low-temperature cigarettes, separating the flame from the low-temperature cigarettes and transferring heat from the flame to the heating part; the heating part comprises a plurality of heating fins, first side walls of the heating fins are connected together, cavities for containing tobacco are arranged between the adjacent heating fins, the bottom ends of the heating fins are respectively connected with the base, and the heating part is used for being inserted into the low-temperature cigarette to heat the low-temperature cigarette; the barrel is sleeved outside the heating part at intervals, an interlayer for fixing the low-temperature cigarettes is formed between the inner wall of the barrel and the second side walls of the plurality of heating fins, and the bottom end of the barrel is connected with the base. The utility model discloses can increase the area of contact with the low temperature cigarette to make the heat more for transmitting the tobacco uniformly, improve the temperature homogeneity of low temperature cigarette, and average temperature is high, thereby can improve heating efficiency.
Description
Technical Field
The utility model relates to a heating device for be used for low temperature cigarette belongs to low temperature cigarette technical field.
Background
Cigarettes are the most common smoking articles, and typically are prepared by baking tobacco, shredding the tobacco, and rolling the paper into a cylindrical form. A filter is also typically provided at the suction end. When smoking, one end is ignited, and the generated smoke is sucked out from the other end through a mouth. Nicotine (nicotine) contained in the smoke enters the blood through the respiratory system, and stimulates nerve cells in the brain to secrete dopamine to produce a pleasant feeling. However, conventional tobacco often contains a large amount of harmful substances such as tar. In order to reduce the harm of tobacco and improve public environmental health, related researchers have proposed a new type of smoking article, low-temperature cigarette (heat non-combustion cigarette).
At present, the heating mode of low-temperature cigarettes is mostly an electric heating mode, a heating component of the low-temperature cigarettes mainly has a needle (rod) shape, and a resistance wire or a resistance sheet is directly buried inside a heating needle and a heating fin. Although the related art proposes a solution of heating tobacco liquid or baking tobacco shreds by heat released by burning fuel, for example, chinese patent application CN201420057088.6 discloses a lighter type fuel-heated cigarette, and chinese patent application CN201621111124.8 discloses a gas-heated smoking article, both of which are solutions of indirectly heating a low-temperature cigarette by burning liquid fuel such as butane, these fuel-burning-based heating assemblies still adopt a structure similar to that of electric heating without major changes, which greatly affect heating efficiency, speed of smoke output during use and uniformity of low-temperature cigarette baking, thereby indirectly affecting user smoking experience and harmful substance generation.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a heating device for low temperature cigarette, which can increase the contact area with the low temperature cigarette, thereby making the heat more uniformly transmitted to the tobacco, improving the temperature uniformity of the low temperature cigarette, and the average temperature is high, thereby improving the heating efficiency.
In order to achieve the purpose, the utility model provides a heating device for low-temperature cigarettes, which comprises a base, a heating part and a cylinder body with openings at two ends; the base is used for supporting a low-temperature cigarette, separating a flame from the low-temperature cigarette and transferring heat from the flame to the heating part; the heating part comprises a plurality of heating fins, first side walls of the heating fins are connected together, cavities for containing tobacco are arranged between the adjacent heating fins, the bottom ends of the heating fins are respectively connected with the base, and the heating part is used for being inserted into the low-temperature cigarette to heat the low-temperature cigarette; the barrel is sleeved outside the heating part at intervals, an interlayer used for fixing the low-temperature cigarettes is formed between the inner wall of the barrel and the second side walls of the plurality of heating fins, and the bottom end of the barrel is connected with the base.
In one embodiment, the cavity penetrates top and bottom ends of the heating part.
In one embodiment, the heating part has a cross-section in a shape of a cross.
In one embodiment, the heating section has a cross-section in the shape of a Chinese character 'mi'.
In a particular embodiment, the surface of the heating element is provided with an oxidation resistant portion.
In a particular embodiment, the oxidation resistant portion is made of a nickel and/or chromium material.
In one embodiment, the thickness of the heating fins is 0.1-0.6 mm.
In a specific embodiment, the thickness of the heating element is 0.268 mm.
In one specific embodiment, the length of the heating part is 1/2-4/5 of the length of the cylinder body.
In one embodiment, the length of the heating part is 10-15 mm.
In one embodiment, the length of the heating portion is 12 mm.
In a specific embodiment, a tip is provided on a top of the heating part.
In one embodiment, the tip has a length of 1 to 3 mm.
In one embodiment, the tip has a length of 2 millimeters.
In one embodiment, the heating fins are made of one or more of copper, brass, aluminum, stainless steel, aluminum oxide, and silicon carbide.
In one embodiment, the heating fins 21 have a thermal conductivity of 271 to 504W/m.degree, the heating fins 21 have a specific heat capacity of 0.27 to 0.51 KJ/kg.Kelvin, and the heating fins 21 have a density of 6285 to 11671 kg/m.
In one embodiment, the base is made of a thermally conductive material.
In one embodiment, the base is made of one or more of copper, brass, aluminum oxide, and silicon carbide.
In one embodiment, the cylinder is made of a ceramic material.
In a specific embodiment, the heat conductivity coefficient of the low-temperature cigarette is 0.050-0.092W/m.degree, the specific heat capacity of the low-temperature cigarette is 0.164-0.304 kilojoule/kg.Kelvin, and the bulk density of the low-temperature cigarette is 350-650 kg/cubic meter.
The utility model discloses owing to take above technical scheme, it has following advantage: 1. the utility model discloses a heating portion includes a plurality of heating fins, and the first side wall of a plurality of heating fins links together jointly, and is provided with the cavity that is used for holding the tobacco between the adjacent heating fin piece to can increase the area of contact of heating portion and low temperature cigarette, make the heat more for transmitting the tobacco uniformly in, improve the temperature homogeneity of low temperature cigarette, and average temperature is high, thereby can improve heating efficiency. 2. The utility model discloses can improve the thermal efficiency of fuel heating to reduce the consumption speed of fuel, improve heating device's many even ability of taking out. 3. The utility model discloses a cavity link up the top and the bottom of heating portion, can further increase the area of contact of each heating fin piece and low temperature cigarette for during the heat transmits the tobacco more evenly, further improve the temperature homogeneity of low temperature cigarette, it is effectual to heat. 4. The utility model discloses a heating fin piece surface is provided with anti-oxidant portion, can prevent the oxidation of heating fin piece to can further improve the heating effect. 5. The utility model discloses a lateral wall thickness of heating fin is 0.1 ~ 0.6 millimeter, can improve the heating homogeneity, reduces the low temperature cigarette simultaneously and preheats required time. 6. The utility model discloses a length of heating portion is 1/2 ~ 4/5 of barrel length, can further improve the heating homogeneity, further reduces the low temperature cigarette simultaneously and preheats required time. 7. The utility model discloses a top of heating portion is provided with the pointed end, can be convenient for insert heating portion in the low temperature cigarette. 8. The utility model discloses a mechanical strength is high, the good reliability. 9. The utility model discloses simple structure, convenient to use, economic nature is good.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the following will briefly introduce the drawings required in the description of the embodiments:
fig. 1 is a schematic structural view of a specific embodiment of the heating device for low-temperature cigarettes of the present invention (for convenience of illustration, the barrel is shown only half divided along its longitudinal axis);
fig. 2 is a schematic structural view of another embodiment of the heating device for low-temperature cigarettes of the present invention (for convenience of illustration, the barrel is shown only half divided along its longitudinal axis);
FIG. 3 is a schematic diagram of the maximum temperature of the low temperature cigarette over time as it is heated by the heating device of one embodiment of the present invention and the two control group heating devices;
FIG. 4 is a schematic diagram of the average temperature of the low temperature cigarette as a function of time during heating of the heating device of one embodiment of the present invention and the two control group heating devices;
fig. 5 is a schematic diagram showing the change of the volume fraction of the interior of the low-temperature cigarette in the optimal temperature range with time when the heating device and the two control group heating device of the embodiment of the invention are heated.
Detailed Description
The following detailed description will be made with reference to the accompanying drawings and examples, so as to solve the technical problems by applying technical means to the present invention, and to fully understand and implement the technical effects of the present invention. It should be noted that, as long as no conflict is formed, the embodiments and the features in the embodiments of the present invention may be combined with each other, and the technical solutions formed are all within the scope of the present invention.
As shown in fig. 1 and fig. 2, the heating device for low-temperature cigarettes provided by the present invention comprises a base 1, a heating part 2 and a cylinder 3 with two open ends. Wherein, base 1 is used for supporting the low temperature cigarette to separate flame and low temperature cigarette, prevent that the low temperature cigarette is lighted by flame. The base 1 can absorb heat released by combustion of fuel and transfer the heat to the heating portion 2. The heating part 2 comprises a plurality of heating fins 21, the first side walls of the plurality of heating fins 21 are connected together, a cavity 22 for accommodating tobacco is arranged between the adjacent heating fins 21, and the contact area between the heating part 2 and the low-temperature cigarette can be increased. The bottom ends of the plurality of heating fins 21 are respectively connected with the base 1, and the heating part 2 is used for being inserted into the low-temperature cigarette to heat the low-temperature cigarette. Barrel 3 interval cover is established in the outside of heating portion 2, is formed with the intermediate layer 4 that is used for fixed low temperature cigarette between the inner wall of barrel 3 and the second lateral wall of a plurality of heating fin piece 21, and the bottom of barrel 3 is connected with base 1, and barrel 3 can reduce the heat dissipation of low temperature cigarette lateral part to the external environment. When the cigarette heating device is used, the heating part 2 is inserted into a low-temperature cigarette, heat generated by fuel combustion heats the base 1, then the heat is conducted along each heating fin 21 and is transmitted from the bottom to the top of each heating fin 21, and tobacco is heated through the surface of each heating fin 21. Compare in heating needle (stick) structure, a plurality of heating fins 21 can increase with the area of contact of low temperature cigarette for during the heat more transmits the tobacco to the tobacco uniformly, improve the temperature homogeneity of low temperature cigarette, and average temperature is high, thereby can improve heating efficiency. Further, the heating device can improve the heat efficiency of fuel heating, thereby reducing the consumption rate of fuel and improving the multi-branch continuous pumping capacity of the heating device.
In a specific embodiment, the cavity 22 penetrates through the top end and the bottom end of the heating portion 2, so that the contact area between the adjacent heating fins 21 and the low-temperature cigarette can be further increased, heat can be more uniformly transferred to the tobacco, and the temperature uniformity of the low-temperature cigarette can be further improved.
In a specific embodiment, the surface of the heating rib 21 is provided with an oxidation resistant portion capable of preventing the heating rib 21 from being oxidized.
In a particular embodiment, the oxidation resistant portion is made of a nickel and/or chromium material.
In a specific embodiment, the cross-section of the heating section 2 is arranged in a cross-shape (as shown in fig. 1).
In a particular embodiment, the cross-section of the heating section 2 is arranged in a "meter" shape (as shown in fig. 2).
In a specific embodiment, the thickness of the heating fins 21 is 0.1-0.5 mm, which can improve the heating uniformity and reduce the time required for preheating the low-temperature cigarette. Preferably, the thickness of the heating ribs 21 is 0.268 mm.
In a specific embodiment, the length of the heating part 2 is 1/2-4/5 of the length of the cylinder 3, so that the heating uniformity can be further improved, and the time required by preheating the low-temperature cigarette can be further reduced.
In a specific embodiment, the length of the heating part 2 is 10 to 15 mm. Preferably, the length of the heating part 2 is 12 mm.
In a particular embodiment, the heating ribs 21 are all the same length.
In a particular embodiment, the top of heating section 2 is provided with a pointed end 23 to facilitate insertion of heating section 2 into a low temperature cigarette.
In one embodiment, the tip 23 has a length of 1 to 3 mm. Preferably, the tip 23 is 2 mm in length.
In a particular embodiment, the heating fins 21 are made of one or more of copper, brass, aluminum, stainless steel, alumina, and silicon carbide.
In a specific embodiment, the heat conductivity of the heating fins 21 is 271-504W/m.degree, the specific heat capacity of the heating fins 21 is 0.27-0.51 KJ/kg.Kelvin, and the density of the heating fins 21 is 6285-11671 kg/cubic meter. Preferably, the heating elements 21 have a thermal conductivity of 387.6 watts per meter-degree, the heating elements 21 have a specific heat capacity of 0.39 kilojoules per kilogram-kelvin, and the heating elements 21 have a density of 8978 kilograms per cubic meter.
In a particular embodiment, the base 1 is made of a thermally conductive material.
In a specific embodiment, the base 1 is made of one or more of copper, brass, aluminum oxide, and silicon carbide.
In a particular embodiment, the cross-section of the base 1 is arranged to be circular.
In a particular embodiment, the diameter of the low temperature cigarette is smaller than the diameter of the base 1. Preferably, the diameter of the base is 8 mm, and the diameter of the low-temperature cigarette is 7.9 mm.
In a particular embodiment, the cylinder 3 is made of a ceramic material.
In a specific embodiment, the heat conductivity coefficient of the low-temperature cigarette is 0.050-0.092W/m.degree, the specific heat capacity of the low-temperature cigarette is 0.164-0.304 kilojoule/kg.Kelvin, and the bulk density of the low-temperature cigarette is 350-650 kg/cubic meter. Preferably, the heat conductivity coefficient of the low-temperature cigarette is 0.071 watt/meter-degree, the specific heat capacity of the low-temperature cigarette is 0.234 kilojoule/kilogram-Kelvin, and the bulk density of the low-temperature cigarette is 500 kilograms/cubic meter.
In one particular embodiment, the fuel is liquid butane.
In a specific embodiment, the total heating power of the low temperature cigarette is 2W (Watts).
The utility model provides a heating device of embodiment, the cross section of heating portion 2 sets to "ten" font. Two additional control groups were provided, the heating elements of one heating device were arranged in a circular cross-section (heating needle (rod)) having a diameter of 2 mm, and the heating elements of the other heating device were arranged in a rectangular cross-section (sheet heating configuration) having a thickness of 0.524 mm and a width of 6 mm. Meanwhile, the total length of each heating element and the heating part 2 is ensured to be 12 mm, and the cross sectional area of each heating element and the cross sectional area of the heating part 2 are equal to each other and are 3.14 square mm.
The three heating devices are adopted to heat the low-temperature cigarette, and the numerical simulation is carried out on the dynamic process of starting heating from 300K (Kelvin, which is equivalent to normal temperature) by using FLUNET software. Wherein, the changes of the volume ratio of the average temperature of the low-temperature cigarette, the maximum value of the temperature of the low-temperature cigarette and the optimal temperature of the low-temperature cigarette (namely the volume fraction of the low-temperature cigarette in the optimal temperature range) along with the time are respectively shown in figures 3-5.
Figure 3 shows the internal temperature maximum of a low temperature cigarette over time after heating has commenced. As can be seen from fig. 3, the maximum temperature in the low temperature cigarette rises most rapidly with the needle (rod) -shaped heating element, and the lowest smokable temperature (220 ℃ (celsius)) of the low temperature cigarette can be reached at 20s (seconds), however, it takes longer to start smoking in actual use due to the uneven temperature distribution. Also at 40 seconds, the needle-like heating element reaches a maximum smokable temperature of 350 degrees celsius, above which overheating can result, affecting the smoking comfort. The cross-shaped heating part can keep a slow temperature rise, and the time required from the beginning of heating to the time when the cross-shaped heating part can suck is shorter than that of the needle-shaped heating element according to the following data, so that the heating effect is good. The heating effect of the sheet heating element as one of the control groups is located therebetween.
FIG. 4 shows the average temperature inside a low temperature cigarette as a function of time after heating has begun. As can be seen from fig. 4, the cross-shaped heating portion has a higher average temperature of the low-temperature cigarettes, and then the average temperature of the low-temperature cigarettes using the sheet-shaped heating elements is the lowest average temperature of the low-temperature cigarettes using the needle-shaped heating elements. The cross-shaped heating part can be shown to have the maximum heat conduction efficiency, the heating efficiency is improved, and the continuous pumping time after each fuel filling can be greatly prolonged.
Figure 5 shows the change in volume ratio over time for the optimum temperature range in a low temperature cigarette after heating has commenced. As can be seen from FIG. 5, the optimal temperature range of the low-temperature cigarette is defined as 220-350 ℃, and in the temperature range, the low-temperature cigarette can not generate too many harmful substances during smoking. As can be seen from fig. 5, the cross-shaped heating portion can rapidly increase the optimal temperature-volume ratio of the low-temperature cigarette after a period of time. The optimum temperature-volume ratio required for suction can be reached more quickly than with sheet-like and needle-like heating elements.
Although the embodiments of the present invention have been disclosed, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (20)
1. A heating device for low-temperature cigarettes is characterized by comprising a base, a heating part and a cylinder body with openings at two ends; wherein the content of the first and second substances,
the base is used for supporting a low-temperature cigarette, separating a flame from the low-temperature cigarette and transferring heat from the flame to the heating part;
the heating part comprises a plurality of heating fins, first side walls of the heating fins are connected together, cavities for containing tobacco are arranged between the adjacent heating fins, the bottom ends of the heating fins are respectively connected with the base, and the heating part is used for being inserted into the low-temperature cigarette to heat the low-temperature cigarette;
the barrel is sleeved outside the heating part at intervals, an interlayer used for fixing the low-temperature cigarettes is formed between the inner wall of the barrel and the second side walls of the plurality of heating fins, and the bottom end of the barrel is connected with the base.
2. The heating apparatus as claimed in claim 1, wherein the cavity penetrates top and bottom ends of the heating part.
3. The heating apparatus as claimed in claim 1, wherein the heating part has a cross-section in a shape of a cross.
4. The heating apparatus as claimed in claim 1, wherein the heating part has a cross-section in a shape of a "meter".
5. A heating device as claimed in claim 1, characterized in that the surface of the heating element is provided with oxidation resistant portions.
6. The heating device of claim 5, wherein the oxidation resistant portion is made of a nickel and/or chromium material.
7. The heating device as claimed in claim 1, wherein the heating fins have a thickness of 0.1 to 0.6 mm.
8. The heating device of claim 7, wherein the heating fins have a thickness of 0.268 millimeters.
9. The heating device according to claim 1, wherein the heating part has a length of 1/2 to 4/5 of the length of the cylinder.
10. The heating apparatus according to claim 1, wherein the heating part has a length of 10 to 15 mm.
11. The heating apparatus according to claim 10, wherein the heating portion has a length of 12 mm.
12. The heating apparatus as claimed in claim 1, wherein a tip is provided at a top of the heating part.
13. The heating device of claim 12, wherein the tip has a length of 1 to 3 mm.
14. The heating device of claim 13, wherein the tip is 2 millimeters in length.
15. The heating device of claim 1, wherein the heating fins are made of one or more of copper, brass, aluminum, stainless steel, aluminum oxide, and silicon carbide.
16. The heating device as claimed in claim 1, wherein the heating element has a thermal conductivity of 271 to 504 w/m-degree, a specific heat capacity of 0.27 to 0.51 kj/kg-kelvin, and a density of 6285 to 11671 kg/m.
17. The heating device of claim 1, wherein the base is made of a thermally conductive material.
18. The heating device of claim 17, wherein the base is made of one or more of copper, brass, aluminum oxide, and silicon carbide.
19. The heating device of claim 1, wherein the cylinder is made of a ceramic material.
20. The heating device according to claim 1, wherein the low-temperature cigarette has a thermal conductivity of 0.050 to 0.092W/m.degree, a specific heat capacity of 0.164 to 0.304 KJ/kg.Kelvin, and a bulk density of 350 to 650 kg/m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921680114.XU CN210929620U (en) | 2019-10-09 | 2019-10-09 | Heating device for low-temperature cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921680114.XU CN210929620U (en) | 2019-10-09 | 2019-10-09 | Heating device for low-temperature cigarette |
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| Publication Number | Publication Date |
|---|---|
| CN210929620U true CN210929620U (en) | 2020-07-07 |
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|---|---|---|---|
| CN201921680114.XU Active CN210929620U (en) | 2019-10-09 | 2019-10-09 | Heating device for low-temperature cigarette |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114302654A (en) * | 2020-08-04 | 2022-04-08 | 韩国烟草人参公社 | Aerosol-generating article comprising a thermally conductive material |
-
2019
- 2019-10-09 CN CN201921680114.XU patent/CN210929620U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114302654A (en) * | 2020-08-04 | 2022-04-08 | 韩国烟草人参公社 | Aerosol-generating article comprising a thermally conductive material |
| CN114302654B (en) * | 2020-08-04 | 2024-03-15 | 韩国烟草人参公社 | Aerosol generating article and aerosol generating system |
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