CN104068473A - Middle suspension type electric heater used for electric heating type cigarettes - Google Patents
Middle suspension type electric heater used for electric heating type cigarettes Download PDFInfo
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- CN104068473A CN104068473A CN201410344591.4A CN201410344591A CN104068473A CN 104068473 A CN104068473 A CN 104068473A CN 201410344591 A CN201410344591 A CN 201410344591A CN 104068473 A CN104068473 A CN 104068473A
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 12
- 239000000725 suspension Substances 0.000 title claims description 6
- 238000005485 electric heating Methods 0.000 title abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 128
- 238000009413 insulation Methods 0.000 claims abstract description 27
- 235000019505 tobacco product Nutrition 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- -1 iron-chromium-aluminum Chemical compound 0.000 description 3
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001006 Constantan Inorganic materials 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 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
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
本发明涉及一种用于电加热型卷烟的中间悬空型电加热器，包括：加热元件1、加热元件固定件2、隔热层3、外壳6，其中加热元件固定件只固定加热元件的两端，保证加热元件的中间段处于悬空状态；隔热层包围加热元件但不与其接触。优选隔热层具有多个亚层，各亚层之间留有间隙4。优选地，加热元件限定出加热腔5。更优选地，加热元件固定件上具有进气孔7，该进气孔与所述间隙连通；该间隙通过至少一个通孔8与加热腔连通；上述进气孔7、间隙4、通孔8构成气流通道，流过气流通道的空气能将散失至隔热层间隙中的热量携带进入加热腔并与其中的烟草制品接触。本发明的电加热器因隔热效果好而响应速度快，空载时能在1-2秒内加热至350度以上。
The present invention relates to a middle suspended electric heater for electric heating cigarettes, comprising: a heating element 1, a heating element fixing part 2, a heat insulation layer 3, and a casing 6, wherein the heating element fixing part only fixes two parts of the heating element To ensure that the middle section of the heating element is in a suspended state; the heat insulation layer surrounds the heating element but does not touch it. Preferably the insulating layer has a plurality of sub-layers with gaps 4 between the sub-layers. Preferably, the heating element defines a heating chamber 5 . More preferably, there is an air inlet 7 on the heating element fixing part, and the air inlet communicates with the gap; the gap communicates with the heating chamber through at least one through hole 8; the above air inlet 7, the gap 4, the through hole 8 An airflow channel is formed, and the air flowing through the airflow channel can carry the heat lost in the gap of the heat insulation layer into the heating chamber and contact the tobacco products therein. The electric heater of the present invention has a fast response speed due to good heat insulation effect, and can be heated to over 350 degrees within 1-2 seconds when no-loaded.
Description
技术领域technical field
本发明属于电加热器领域，特别是属于快速响应型电加热器领域。The invention belongs to the field of electric heaters, in particular to the field of fast-response electric heaters.
技术背景technical background
作为传统卷烟的拓展和补充，新型烟草制品的发展存在必然性，相关的研究工作也随之拉开序幕。电加热新型卷烟因其加热的温度不超过500℃，以加热但不燃烧的形式使烟草制品发烟，在满足消费者感官需求的同时减少烟草在高温环境下裂解出的有害成分，逐渐成为各烟草企业的研究热点。As the expansion and supplement of traditional cigarettes, the development of new tobacco products is inevitable, and related research work has also begun. Because the heating temperature of new electric heating cigarettes does not exceed 500 ℃, tobacco products are made to smoke in the form of heating but not burning, which can meet the sensory needs of consumers while reducing the harmful components cracked by tobacco in high-temperature environments. Research hotspots in tobacco companies.
现有技术的电加热新型卷烟加热器典型地包含加热腔体、电加热元件、隔热层、电加热元件载体，其中电加热元件均通过陶瓷杯、陶瓷棒、金属杯等载体形成装配，电加热元件以缠绕、嵌套的方式固定于载体上，加热元件的热量会通过载体形成接触式热传导损失，导致加热元件响应时间即加热至所需最高温度时间过长，通常在20-60秒；同时隔热层所采用隔热材料在3mm以下隔热效果不佳，而增加隔热材料厚度会增大加热器尺寸，难以实现隔热效果与加热器尺寸的最佳匹配。The new electric heating cigarette heater in the prior art typically includes a heating cavity, an electric heating element, a heat insulation layer, and an electric heating element carrier, wherein the electric heating element is assembled by a carrier such as a ceramic cup, a ceramic rod, or a metal cup. The heating element is fixed on the carrier in a winding and nesting manner, and the heat of the heating element will form a contact heat conduction loss through the carrier, resulting in a long response time of the heating element, that is, heating to the required maximum temperature, usually within 20-60 seconds; At the same time, the heat insulation material used in the heat insulation layer has poor heat insulation effect if it is less than 3mm, and increasing the thickness of the heat insulation material will increase the size of the heater, making it difficult to achieve the best match between the heat insulation effect and the size of the heater.
针对上述问题，本发明提供一种用于新型卷烟电加热器，能减少加热元件热量散失，缩短加热元件响应时间。In view of the above problems, the present invention provides a new electric heater for cigarettes, which can reduce the heat loss of the heating element and shorten the response time of the heating element.
发明内容Contents of the invention
本发明的目的就是要解决上述背景技术存在的不足，提供一种用于新型卷烟的电加热器。The purpose of the present invention is to solve the shortcomings of the above-mentioned background technology, and to provide an electric heater for a new type of cigarette.
本发明提供一种用于电加热型卷烟的中间悬空型电加热器，包括：加热元件1、加热元件固定件2、隔热层3、外壳6，其特征在于,所述加热元件固定件2只固定加热元件1的两端，保证加热元件1的中间段处于悬空状态，从而减少热量传导损失；所述隔热层3包围所述加热元件1但不与所述加热元件1接触；其中所述外壳6包围所述隔热层3。The present invention provides a middle suspended electric heater for electric heating cigarettes, comprising: a heating element 1, a heating element fixing part 2, a heat insulation layer 3, and a casing 6, wherein the heating element fixing part 2 Only the two ends of the heating element 1 are fixed to ensure that the middle section of the heating element 1 is in a suspended state, thereby reducing heat conduction loss; the heat insulation layer 3 surrounds the heating element 1 but does not contact the heating element 1; wherein The casing 6 surrounds the heat insulation layer 3 .
其中所述加热元件1可以选取镍铬、铁铬铝、康铜等高温合金材料，优选铁铬铝合金，以线切割、模具冲压等方式加工而成。加热元件形状可以为多片式结构，即多个平行的加热片限定出一个加热腔5，这种情况下，各加热片之间的缝隙可供气流流入加热腔内；或者所述加热元件1为整体筒式结构，筒壁限定出一个加热腔5，这种情况下，需要在筒壁的底部圆周方向上开设至少一个、优选若干个气孔9，以供气流进入该加热腔内。该加热腔的横截面可以是圆形或多边形，这取决于要插入该加热腔的烟草制品的形状。多片式结构可以实现分片式加热，整体筒式结构可以实现一体式加热，二者各有千秋。The heating element 1 can be made of high-temperature alloy materials such as nickel-chromium, iron-chromium-aluminum, and constantan, preferably iron-chromium-aluminum alloy, and processed by wire cutting and die stamping. The shape of the heating element can be a multi-piece structure, that is, a plurality of parallel heating sheets define a heating chamber 5, in this case, the gaps between each heating sheet can allow airflow to flow into the heating chamber; or the heating element 1 It is an integral cylinder structure, and the cylinder wall defines a heating chamber 5. In this case, at least one, preferably several air holes 9 need to be opened in the bottom circumferential direction of the cylinder wall to allow airflow to enter the heating chamber. The cross-section of the heating chamber may be circular or polygonal, depending on the shape of the tobacco product to be inserted into the heating chamber. The multi-piece structure can realize sliced heating, and the overall cylinder structure can realize integrated heating. Both have their advantages and disadvantages.
所述加热元件固定件2采用耐高温绝缘材料加工而成，以开槽或开孔的形式固定加热元件，并保证固定后具有一定的机械强度。The heating element fixing part 2 is made of high temperature resistant insulating material, and the heating element is fixed in the form of slots or holes, and it is guaranteed to have a certain mechanical strength after fixing.
在本发明的优选实施方案中，所述隔热层3具有至少两个亚层，优选三个亚层，各亚层之间留有间隙4,该间隙尺寸为0.1-1mm。该间隙中充满空气，而没有填充固体隔热材料，由于空气隔热性能很强，能有效地阻止加热元件的热量向外壳的传导损失，并且减轻了加热器的整体重量。各亚层可以使用常规的隔热材料。In a preferred embodiment of the present invention, the heat insulation layer 3 has at least two sub-layers, preferably three sub-layers, and a gap 4 is left between each sub-layer, and the size of the gap is 0.1-1 mm. The gap is filled with air instead of solid heat insulating material. Because the air has a strong heat insulating performance, it can effectively prevent the conduction loss of heat from the heating element to the shell, and reduce the overall weight of the heater. Conventional insulation materials can be used for each sub-layer.
在本发明的优选实施方案中，所述加热元件1与所述加热元件固定件2之间的接触面积为加热元件1的表面积的5％-35％，优选15-20％。减少接触面积有利于减少经该加热元件固定件的热传导损失。In a preferred embodiment of the present invention, the contact area between the heating element 1 and the heating element holder 2 is 5%-35%, preferably 15-20%, of the surface area of the heating element 1 . Reducing the contact area facilitates reducing heat conduction losses through the heating element mount.
在本发明的优选实施方案中，所述加热元件1与所述加热元件固定件2之间的接触部分的厚度是所述加热元件的中间悬空段的厚度的2-4倍，所述接触部分的宽度是所述中间悬空段的宽度的1-2倍。该设计的目的是降低接触部分的电流密度，减少欧姆发热，减少因加热元件固定件的热传导导致的热量损失，并使加热元件的发热更多地集中于其中间悬空段。In a preferred embodiment of the present invention, the thickness of the contact portion between the heating element 1 and the heating element fixing member 2 is 2-4 times the thickness of the middle suspension section of the heating element, and the contact portion The width is 1-2 times of the width of the middle suspension segment. The purpose of this design is to reduce the current density of the contact part, reduce ohmic heating, reduce the heat loss caused by the heat conduction of the fixing part of the heating element, and make the heating of the heating element more concentrated in its middle suspended section.
在本发明的优选实施方案中，其中至少一端的所述加热元件固定件2上具有进气孔7,该进气孔7与所述间隙4连通；所述间隙4通过至少一个通孔8和所述缝隙10或气孔9与所述加热腔5的内部连通；上述进气孔7、间隙4、通孔8与所述缝隙10或气孔9构成向加热腔5进气的气流通道。流过气流通道的空气能将散失至隔热层间隙中的热量携带进入加热腔并与其中的烟草制品接触，起到一定程度的热量回收的作用。在更优选地实施方案中，在所述加热元件1为整体筒式结构的情况下，所述通孔8与所述气孔9之间可以设导气管11,以使气流仅在导气管11中流过。这种设计可使得圆筒形加热元件1与隔热层3之间的间隙中的空气不受上述气流的影响，始终处于相对静止且封闭的状态，有利于维持其隔热效果。In a preferred embodiment of the present invention, the heating element fixing part 2 at least one end has an air inlet 7, and the air inlet 7 communicates with the gap 4; the gap 4 passes through at least one through hole 8 and The slit 10 or air hole 9 communicates with the inside of the heating chamber 5 ; the air inlet 7 , the gap 4 , the through hole 8 and the slit 10 or air hole 9 constitute an airflow channel for the air entering the heating chamber 5 . The air flowing through the airflow channel can carry the heat lost in the gap of the heat insulation layer into the heating chamber and contact the tobacco products therein, so as to recover heat to a certain extent. In a more preferred embodiment, when the heating element 1 is an integral cylindrical structure, an air guide tube 11 may be provided between the through hole 8 and the air hole 9, so that the air flow only flows in the air guide tube 11 Pass. This design can make the air in the gap between the cylindrical heating element 1 and the heat insulation layer 3 not affected by the above-mentioned air flow, and always be in a relatively static and closed state, which is conducive to maintaining its heat insulation effect.
在本发明的优选实施方案中，所述加热元件固定件2以开槽或开孔的形式固定所述加热元件1，并保证固定后具有一定的机械强度。In a preferred embodiment of the present invention, the heating element fixing member 2 fixes the heating element 1 in the form of slots or holes, and ensures a certain mechanical strength after fixing.
在本发明的优选实施方案中，所述加热元件固定件2的内壁与所述加热元件1的内表面形成同一平面，保证烟草制品能顺利置入加热腔体。In a preferred embodiment of the present invention, the inner wall of the heating element fixing part 2 forms the same plane as the inner surface of the heating element 1 to ensure that tobacco products can be smoothly placed into the heating cavity.
本发明的电加热器因其独特的隔热设计，例如，所述加热元件固定件2只固定加热元件两端，保证加热元件中间段处于悬空状态，从而大大减少加热元件接触式热传导损失，以及所述隔热层2采取多层间隙隔热，能够将热量损失最小化，因此，在同样的输入电功率下，能够实现快速响应。其在空载时即加热腔内未插入烟草制品时能在1-2秒内将加热腔内的温度加热至350度以上；此外，上述间隙隔热的设计也提高了隔热效果，在保证加热器壳体温度小于40℃的同时能在一定程度上减小加热器尺寸。The electric heater of the present invention is due to its unique heat insulation design, for example, the heating element fixing part 2 only fixes the two ends of the heating element to ensure that the middle section of the heating element is in a suspended state, thereby greatly reducing the contact heat conduction loss of the heating element, and The heat insulation layer 2 adopts multi-layer gap heat insulation, which can minimize heat loss, and therefore, can realize fast response under the same input electric power. It can heat the temperature in the heating chamber to over 350 degrees within 1-2 seconds when it is empty, that is, when there is no tobacco product inserted in the heating chamber; in addition, the design of the above-mentioned gap heat insulation also improves the heat insulation effect, ensuring While the temperature of the heater shell is less than 40°C, the size of the heater can be reduced to a certain extent.
附图说明Description of drawings
图1是本发明的用于新型卷烟的快速响应电加热器的结构示意图。Fig. 1 is a schematic structural diagram of a fast-response electric heater for a new type of cigarette according to the present invention.
附图标记说明：1、加热元件；2、加热元件固定件；3、隔热层；4、间隙；5、加热腔；6、外壳；7、进气孔；8、通孔；9、气孔。Description of Reference Signs: 1. Heating element; 2. Heating element fixing piece; 3. Insulation layer; 4. Gap; 5. Heating chamber; 6. Shell; 7. Air intake hole; 8. Through hole; 9. Air hole .
具体实施方式Detailed ways
图1所示为一种用于新型电加热卷烟的快速响应电加热器的结构示意图。其中，加热元件1为圆筒形，其限定出一个加热腔5，其加热方式为整体式加热。加热元件固定件2仅固定在加热元件1的两端，因此，加热元件1的中间段悬空。Figure 1 is a schematic diagram of the structure of a fast-response electric heater for a new type of electric heating cigarette. Wherein, the heating element 1 is cylindrical, which defines a heating chamber 5, and its heating method is integral heating. The heating element fixing part 2 is only fixed on the two ends of the heating element 1, therefore, the middle section of the heating element 1 is suspended.
加热元件与加热元件固定件接触的端部部分的厚度和宽度分别是中间悬空段的厚度和宽度的2-4倍和1-2倍，这降低加热元件与固定件接触部分的电流密度，减少欧姆发热，加热元件1与加热元件固定件2接触的面积设计为加热元件表面积的15％，这减少加热元件的接触式热传导损失。The thickness and width of the end part of the heating element in contact with the heating element fixing piece are 2-4 times and 1-2 times of the thickness and width of the middle suspension section, which reduces the current density of the heating element and the fixing piece contacting part, reducing Ohmic heating, the contact area of the heating element 1 and the heating element fixing part 2 is designed to be 15% of the surface area of the heating element, which reduces the contact heat conduction loss of the heating element.
加热元件固定件2是一种耐高温绝缘材料，优选氧化铝陶瓷，以开槽或开孔的形式加工成与加热元件结构尺寸匹配的上端部固定件和下端部固定件，并采用紧配的方式分别固定加热元件的两端，保证固定后具有一定的机械强度。加热元件固定件2内径无限接近烟草制品的外径，从而保证固定件内壁与加热元件内表面形成同一平面，保证烟草制品能顺利置入加热腔体和从加热腔体取出。至少一端的加热元件固定件上具有进气孔7。The heating element fixing part 2 is a kind of high temperature resistant insulating material, preferably alumina ceramics, which is processed into the upper end fixing part and the lower end fixing part matching the heating element structure size in the form of slots or openings, and adopts tight fit The two ends of the heating element are respectively fixed by the method to ensure a certain mechanical strength after fixing. The inner diameter of the heating element fixing part 2 is infinitely close to the outer diameter of the tobacco product, thereby ensuring that the inner wall of the fixing part and the inner surface of the heating element form the same plane, and ensuring that the tobacco product can be smoothly inserted into and taken out of the heating cavity. At least one end of the heating element fixing part has an air inlet hole 7 .
隔热层2采取多层间隙式设计，其包括多个亚层，各亚层的材料独立地选自铝合金、镁铝合金、不锈钢、聚四氟乙烯等材料，各亚层被加工形成薄壁圆筒，薄壁圆筒厚度为0.2-0.8mm，薄壁圆筒层数可以是两层或两层以上，优选3层，其中最里层薄壁圆筒与加热元件不接触。各亚层之间形成间隙4，该间隙尺寸为0.1-1mm，充分利用空气的隔热性能，有效地阻止加热元件热量向外壳传导损失。间隙4的某一处开设有通往加热腔5的通孔8。进气孔7、间隙4、通孔8、气孔9或缝隙10构成气流通道，使外界空气先流过隔热层中的间隙4并将散失至隔热层间隙中的热量回收一部分，然后通过通孔8和气孔9或缝隙10进入加热腔5内并与其中的烟草制品接触。整体气流方向如下：进气孔7→间隙4→通孔8→气孔9或缝隙→加热腔5→烟草制品→烟嘴(未示出)→吸烟者口中。The heat insulation layer 2 adopts a multi-layer gap design, which includes multiple sub-layers, and the material of each sub-layer is independently selected from aluminum alloy, magnesium-aluminum alloy, stainless steel, polytetrafluoroethylene and other materials, and each sub-layer is processed to form a thin-walled circular The thickness of the thin-walled cylinder is 0.2-0.8mm, and the number of layers of the thin-walled cylinder can be two or more, preferably three layers, wherein the innermost layer of the thin-walled cylinder does not contact the heating element. A gap 4 is formed between each sub-layer, and the size of the gap is 0.1-1mm, which makes full use of the heat insulation performance of the air, and effectively prevents the heat conduction loss of the heating element to the shell. A through hole 8 leading to the heating chamber 5 is opened in a certain part of the gap 4 . The air intake hole 7, the gap 4, the through hole 8, the air hole 9 or the gap 10 constitute an air flow channel, so that the outside air first flows through the gap 4 in the heat insulation layer and recovers part of the heat lost in the gap of the heat insulation layer, and then passes through The through holes 8 and air holes 9 or slits 10 enter into the heating cavity 5 and contact the tobacco products therein. The overall airflow direction is as follows: air intake hole 7→gap 4→through hole 8→air hole 9 or gap→heating cavity 5→tobacco product→cigarette holder (not shown)→into the smoker's mouth.
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| CN108514156A (en) * | 2018-04-26 | 2018-09-11 | 云南中烟工业有限责任公司 | A kind of smoking set with energy recycle device |
| CN108652085A (en) * | 2017-03-29 | 2018-10-16 | 湖南中烟工业有限责任公司 | Heating device, low temperature smoking set and its control system with anti-scald function and control method |
| CN110354636A (en) * | 2019-07-05 | 2019-10-22 | 四川远方高新装备零部件股份有限公司 | A kind of pressure-variable adsorption splitter and its electric-control system |
| CN110710723A (en) * | 2019-05-16 | 2020-01-21 | 厦门蜂涛陶瓷有限公司 | Non-contact electronic cigarette heater |
| CN113598435A (en) * | 2021-07-28 | 2021-11-05 | 深圳麦克韦尔科技有限公司 | Aerosol generating device |
| US12310405B2 (en) | 2021-07-28 | 2025-05-27 | Shenzhen Smoore Technology Limited | Vaporization main unit and aerosol-forming device |
| US12329194B2 (en) | 2021-07-28 | 2025-06-17 | Shenzhen Smoore Technology Limited | Aerosol-forming article |
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| CN108652085B (en) * | 2017-03-29 | 2024-03-12 | 湖南中烟工业有限责任公司 | Heating device with burn-proof function, low-temperature smoking set, control system and control method thereof |
| CN108652085A (en) * | 2017-03-29 | 2018-10-16 | 湖南中烟工业有限责任公司 | Heating device, low temperature smoking set and its control system with anti-scald function and control method |
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| CN108514156A (en) * | 2018-04-26 | 2018-09-11 | 云南中烟工业有限责任公司 | A kind of smoking set with energy recycle device |
| CN110710723A (en) * | 2019-05-16 | 2020-01-21 | 厦门蜂涛陶瓷有限公司 | Non-contact electronic cigarette heater |
| WO2020228799A1 (en) * | 2019-05-16 | 2020-11-19 | 厦门蜂涛陶瓷有限公司 | Non-contact type electronic cigarette heater |
| WO2020228798A1 (en) * | 2019-05-16 | 2020-11-19 | 厦门蜂涛陶瓷有限公司 | Non-contact electronic cigarette heater |
| CN110710724A (en) * | 2019-05-16 | 2020-01-21 | 厦门蜂涛陶瓷有限公司 | Non-contact electronic cigarette heater |
| CN110710723B (en) * | 2019-05-16 | 2024-06-04 | 厦门蜂涛陶瓷有限公司 | Non-contact type electronic cigarette heater |
| CN110710724B (en) * | 2019-05-16 | 2024-06-04 | 厦门蜂涛陶瓷有限公司 | Non-contact type electronic cigarette heater |
| CN110354636A (en) * | 2019-07-05 | 2019-10-22 | 四川远方高新装备零部件股份有限公司 | A kind of pressure-variable adsorption splitter and its electric-control system |
| CN113598435A (en) * | 2021-07-28 | 2021-11-05 | 深圳麦克韦尔科技有限公司 | Aerosol generating device |
| CN113598435B (en) * | 2021-07-28 | 2025-04-11 | 深圳麦克韦尔科技有限公司 | Aerosol Generating Device |
| US12310405B2 (en) | 2021-07-28 | 2025-05-27 | Shenzhen Smoore Technology Limited | Vaporization main unit and aerosol-forming device |
| US12329194B2 (en) | 2021-07-28 | 2025-06-17 | Shenzhen Smoore Technology Limited | Aerosol-forming article |
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