WO2020019167A1 - 烘烤烟具及真空隔热的加热组件 - Google Patents
烘烤烟具及真空隔热的加热组件 Download PDFInfo
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- WO2020019167A1 WO2020019167A1 PCT/CN2018/096882 CN2018096882W WO2020019167A1 WO 2020019167 A1 WO2020019167 A1 WO 2020019167A1 CN 2018096882 W CN2018096882 W CN 2018096882W WO 2020019167 A1 WO2020019167 A1 WO 2020019167A1
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- heating
- vacuum
- heating circuit
- pipe
- inner pipe
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- 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
Definitions
- the invention relates to the field of cigarette substitutes, and more particularly, to a baking smoking set and a vacuum heat-insulating heating component.
- the commonly used heat insulation method for low temperature cigarettes is the vacuum insulation tube.
- the existing technology is generally realized by the separation of the heating tube and the vacuum insulation tube. Since the heating tube is a high temperature part, in order to keep the heating tube and the vacuum insulation tube relatively fixed, other High temperature resistant, low thermal conductivity material to fix, generally high temperature resistant plastic.
- the heating pipe is a high-temperature part, and it needs other materials with high temperature resistance and low thermal conductivity to fix it.
- high-temperature resistant plastics are used, and the price of these materials is very high, which leads to a significant increase in the cost of the whole machine;
- the fixed parts of the heating pipe will bring the heat out of the heating pipe, which complicates the heat insulation problem.
- the vacuum pipe can only solve the heat insulation of the circumference of the heating pipe.
- the upper and lower heat insulation requires additional thin-walled parts to achieve, Relatively harsh upper fixed parts also need special heat dissipation design;
- the technical problem to be solved by the present invention is to provide a heating assembly for baking smoking utensils and vacuum insulation for the defects that the heat in the prior art is easily radiated and the heat insulation structure is complicated.
- the technical solution adopted by the present invention to solve its technical problems is to construct a vacuum heat-insulating heating component, including an outer pipe and an inner pipe;
- the outer pipe is sleeved outside the inner pipe, and both ends of the outer pipe are fixedly connected to the outer wall surface of the inner pipe, and a vacuum zone is formed between the inner wall surface of the outer pipe and the inner pipe. ;
- the inner tube includes a tubular substrate, and a heating circuit formed on a surface of the tubular substrate to generate heat after being energized, and the axial position of the heating circuit on the tubular substrate is located in the vacuum region. Within the axial interval.
- the heating circuit is provided in sections, and each section is electrically connected to a lead, the heating circuit of each section is distributed in the axial direction of the tubular substrate, and / or the heating circuit of each section is located at The circumferential distribution of the tubular substrate.
- the heating circuit is printed and formed on the tubular substrate.
- a lead wire electrically connected to the heating circuit is provided on an outer wall surface of the inner pipe protruding from the outer pipe.
- the tubular substrate is a material with low thermal conductivity, including one of stainless steel, titanium alloy, nickel-based alloy, zirconia, and ceramic.
- both ends of the outer tube and the inner tube are fixed by a vacuum welding connection.
- the heating circuit is located inside the tubular substrate, and the lead wire is electrically connected to the heating circuit through a side wall of the tubular substrate.
- the inner tube is formed by curling.
- the tubular substrate is made of ceramic material, and a dielectric layer is provided on the inner side of the tubular substrate to isolate the ceramic from phase change and high-temperature ionization, and the heating circuit is located outside the dielectric layer.
- the dielectric layer is a glass layer.
- the heating circuit is located outside the tubular substrate, and the heating circuit is located in the vacuum region.
- a wiring connected between the lead and the heating circuit is also provided on the outer side of the inner tube, and the wiring is covered with an insulating layer, so that the wiring is connected to the outer tube and the inner tube.
- the welding material between the tubes is insulated.
- a baking smoking set includes the vacuum heat-insulating heating component.
- the tubular substrate of the heating component does not participate in direct heating, which can reduce the rate of heat dissipation from the inner tube to the outside and prevent excessive heat from spreading outward
- the tubular substrate does not participate in direct heat generation, and there is no need to set a special heat insulation structure between the outer tube and the inner tube, which can simplify the fixing method between the outer tube and the inner tube.
- the heating and insulation parts are more compact and the parts are more Less, simple structure design, reduced product size and more portable.
- FIG. 1 is a schematic diagram of an assembly structure of a heating component in a first embodiment of the present invention
- FIG. 2 is a schematic cross-sectional structure diagram of the heating component in FIG. 1;
- FIG. 3 is an enlarged schematic view of a partial view A in FIG. 2;
- FIG. 4 is a schematic diagram of an assembly structure of a heating component in a second embodiment of the present invention.
- FIG. 5 is a schematic exploded structure diagram of the heating component in FIG. 4;
- FIG. 6 is a schematic cross-sectional structure diagram of the heating component in FIG. 4;
- FIG. 7 is an enlarged schematic view of a partial view B in FIG. 6.
- the baking smoking set in a preferred embodiment of the present invention includes a heating component 1, and the heating component 1 includes an outer tube 11 and an inner tube 12.
- the outer tube 11 is sleeved outside the inner tube 12, and both ends of the outer tube 11 are fixedly connected to the outer wall surface of the inner tube 12.
- a vacuum region 13 is formed between the inner wall surface of the outer tube 11 and the inner tube 12. To the thermal insulation effect, the heat on the inner tube 12 is prevented from diffusing outward.
- the inner tube 12 includes a tubular substrate 19 and a heating circuit 14 formed on the surface of the tubular substrate 19 to generate heat after being energized.
- the axial position of the heating circuit 14 on the inner tube 12 is located in the axial section where the vacuum region 13 is located. .
- the tubular substrate 19 does not participate in direct heating, which can reduce the rate of heat dissipation from the inner tube 12 to avoid excessive heat.
- the tubular substrate 19 does not participate in direct heat generation, and there is no need to provide a special heat insulation structure between the outer tube 11 and the inner tube 12, which can simplify the fixing method between the outer tube 11 and the inner tube 12, heating and The size of the heat insulation part is more compact, the number of parts is smaller, the structure design is simple, and the product volume is reduced and more portable.
- the inner tubular substrate 19 may be selected from a low thermal conductivity material, which reduces the product cost and has a low thermal conductivity.
- the material of the tubular substrate 19 may include one of stainless steel, titanium alloy, nickel-based alloy, zirconia, and ceramic. Because the heating component 1 has less heat dissipation to the outside, the temperature of the contact with other parts is low, and the heat insulation design is simple.
- the heating circuit 14 on the inner tube 12 is provided in sections, and each section is electrically connected to the lead 15 respectively.
- Each segment of the heating circuit 14 may be distributed in the axial direction of the tubular substrate 19, or may be distributed in the circumferential direction of the tubular substrate 19, or the heating circuits 14 may be distributed in both the axial direction and the circumferential direction. After the heating circuit 14 is set in sections, the heating can be performed in sections, so that the object to be heated is sequentially heated in sections, instead of heating all at once.
- the heating circuit 14 is printed and formed on the tubular substrate 19 to improve production efficiency and reduce costs.
- the heating circuit 14 may also be attached or welded or embedded on the inner tube 12.
- a lead 15 electrically connected to the heating circuit 14 is provided on the outer wall surface of the inner tube 12 protruding from the outer tube 11, and power can be supplied to the heating circuit 14 through the lead 15 and an external power source connection.
- Each section of the heating circuit 14 can be independently connected to a power source to achieve the effect of controlling the heating in sections.
- the two ends of the outer tube 11 and the inner tube 12 are fixed by vacuum welding in a vacuum environment, which can simplify the assembly process between the two, and it is also possible to disregard the outward heat dissipation of the inner tube 12 at the welding position.
- the heating circuit 14 is located inside the tubular substrate 19
- the lead 15 is located outside the inner tube 12
- the lead 15 passes through the side wall of the inner tube 12 and is electrically connected to the heating circuit 14.
- sexual connection
- the inner tube 12 is crimped, and after the heating circuit 14 is formed, the tubular substrate 19 may be crimped at the same time, so that the heating circuit 14 is located in the inner tube 12.
- the tubular substrate 19 is made of ceramic material.
- a dielectric layer for insulation and heat insulation is provided inside the tubular substrate 19, and the heating circuit 14 is disposed outside the dielectric layer.
- the dielectric layer is usually a glass layer, preventing a change in the size of the ceramic layer caused by the phase change of the ceramic layer of the inner tube 12, and a ceramic material becoming superconducting due to high-temperature ionization.
- the ceramic-made tubular substrate 19 can reduce the external heat dissipation speed and improve the effect of heating the low-temperature cigarette.
- the tubular substrate 19 may be made of other materials.
- the heating circuit 14 is located outside the tubular substrate 19, so that the heating circuit 14 is located in the vacuum region 13.
- the tubular substrate 19 may be directly formed into a cylindrical shape, and a heating circuit 14 may be provided outside the cylindrical tubular substrate 19; the tubular substrate 19 may also be formed by curling, and the heating circuit 14 may be provided in a tubular shape before or after curling On the substrate 19. Regardless of whether the heating circuit 14 is provided inside or outside the inner tube 12, the materials of the tubular substrate 19 of the two solutions may be the same.
- the heating circuit 14 can be connected to the lead 15 only after being pulled out from the vacuum area 13. Therefore, the outer side of the inner tube 12 is also provided with a wiring 16 connected between the lead 15 and the heating circuit 14.
- the wiring 16 is covered with an insulating layer 17, which can insulate the wiring 16 from the soldering material 18 between the outer tube 11 and the inner tube 12 and avoid short-circuiting with the soldering material 18.
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- Resistance Heating (AREA)
Abstract
本发明涉及一种烘烤烟具及真空隔热的加热组件，加热组件包括外管和内管。外管套设于内管外，外管的两端部与内管的外壁面固定连接，在外管的内壁面和内管之间形成真空区。内管包括内管，以及设置于内管表面、以在通电后发热的发热电路，发热电路在内管上的轴向位置位于真空区所在的轴向区间内。加热组件的内管不参与直接发热，可以降低内管向外散热的速度，可避免热量过快的向外扩散；另外，内管不参与直接发热，不用在外管和内管之间设置专门的隔热结构，可简化外管和内管之间的固定方式，加热和隔热部分尺寸更紧凑，零件更少，结构设计简单，产品体积减小更便携。
Description
本发明涉及香烟替代品领域，更具体地说，涉及一种烘烤烟具及真空隔热的加热组件。
低温卷烟常用隔热方式为真空隔热管，现有技术一般通过发热管和真空隔热管分立方式来实现，由于发热管是高温零件，为了保持发热管和真空隔热管相对固定，需要其它耐高温、导热系数很低材料来固定，一般是耐高温的塑料。
分立的发热管和真空隔热管存在以下弊端：
1. 发热管是高温零件，需要其它耐高温、导热系数很低材料来固定，一般采用耐高温的塑料，而这些材料价格非常高，导致整机成本显著上升；
2. 发热管的固定零件会将热量从发热管上带出，把隔热问题复杂化，真空管只能解决发热管周圈的隔热，上下的隔热还需要另外的薄壁零件来实现，相对恶劣的上部固定零件，还需要专门的散热设计；
3. 因为分开的设计，只解决了周圈的隔热，从上、下两个方向逃逸的热量比较多，导致整机热效率偏低；
4. 分开的两个零件会需要更大的尺寸，导致整机尺寸偏大；
5. 两个零件本身的成本都比较高，给整机带来成本压力。
本发明要解决的技术问题在于，针对现有技术的上述热量容易散发、隔热结构复杂的缺陷，提供一种烘烤烟具及真空隔热的加热组件。
本发明解决其技术问题所采用的技术方案是：构造一种真空隔热的加热组件，包括外管和内管；
所述外管套设于所述内管外，所述外管的两端部与所述内管的外壁面固定连接，在所述外管的内壁面和所述内管之间形成真空区；
所述内管包括管状基材，以及形成于所述管状基材表面、以在通电后发热的发热电路，所述发热电路在所述管状基材上的轴向位置位于所述真空区所在的轴向区间内。
优选地，所述发热电路分段设置，且各段分别与引线电性连接，各段所述发热电路在所述管状基材的轴向分布，和/或，各段所述发热电路在所述管状基材的周向分布。
优选地，所述发热电路印刷形成于所述管状基材上。
优选地，所述内管伸出所述外管的外壁面上设有与所述发热电路电性连接的引线。
优选地，所述管状基材为低导热材料，包括不锈钢、钛合金、镍基合金和氧化锆、陶瓷中的一种。
优选地，所述外管的两端和所述内管之间采用真空焊接连接固定。
优选地，所述发热电路位于所述管状基材内侧，所述引线穿过所述管状基材的侧壁与所述发热电路电性连接。
优选地，所述内管卷曲形成。
优选地，所述管状基材采用陶瓷材质，所述管状基材的内侧设有介质层，以隔离陶瓷防止相变和高温离子化，所述发热电路位于所述介质层外侧。
优选地，所述介质层为玻璃层。
优选地，所述发热电路位于所述管状基材外侧，所述发热电路位于所述真空区内。
优选地，所述内管的外侧面还设有连接在所述引线和所述发热电路之间的布线，所述布线上覆盖有绝缘层，让所述布线与所述外管和所述内管之间的焊接材料绝缘。
一种烘烤烟具，包括所述的真空隔热的加热组件。
实施本发明的烘烤烟具及真空隔热的加热组件，具有以下有益效果：加热组件的管状基材不参与直接发热，可以降低内管向外散热的速度，可避免热量过快的向外扩散；另外，管状基材不参与直接发热，不用在外管和内管之间设置专门的隔热结构，可简化外管和内管之间的固定方式，加热和隔热部分尺寸更紧凑，零件更少，结构设计简单，产品体积减小更便携。
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明第一实施例中的加热组件的组装结构示意图；
图2是图1中的加热组件的剖面结构示意图；
图3是图2中的局部视图A的放大示意图；
图4是本发明第二实施例中的加热组件的组装结构示意图；
图5是图4中的加热组件的分解结构示意图；
图6是图4中的加热组件的剖面结构示意图；
图7是图6中的局部视图B的放大示意图。
为了对本发明的技术特征、目的和效果有更加清楚的理解，现对照附图详细说明本发明的具体实施方式。
如图1、图2所示，本发明一个优选实施例中的烘烤烟具包括加热组件1，加热组件1包括外管11和内管12。
外管11套设于内管12外，外管11的两端部与内管12的外壁面固定连接，在外管11的内壁面和内管12之间形成真空区13，真空区13可以起到隔热效果，防止内管12上的热量向外扩散。
内管12包括管状基材19，以及形成于管状基材19表面、以在通电后发热的发热电路14，发热电路14在内管12上的轴向位置位于真空区13所在的轴向区间内。
在发热电路14通电后，可产生热量，对插入内管12内的低温卷烟进行烘烤加热，管状基材19不参与直接发热，可以降低内管12向外散热的速度，可避免热量过快的向外扩散；另外，管状基材19不参与直接发热，不用在外管11和内管12之间设置专门的隔热结构，可简化外管11和内管12之间的固定方式，加热和隔热部分尺寸更紧凑，零件更少，结构设计简单，产品体积减小更便携。
内部管状基材19可选用低导热材料，降低产品成本，导热系数低。管状基材19的材质可以包括不锈钢、钛合金、镍基合金和氧化锆、陶瓷中的一种。加热组件1由于向外散热少，和其他零件接触处，温度低，隔热设计简单。
内管12上的发热电路14分段设置，且各段分别与引线15电性连接。各段发热电路14可以在管状基材19的轴向分布，也可在管状基材19的周向分布，也可在轴向和周向同时分布有发热电路14。发热电路14分段设置后可以做成分段加热，让被加热物体，分段依次被加热，而不是一次加热完。
优选地，发热电路14印刷形成于管状基材19上，可提升生产效率，降低成本。在其他实施例中，发热电路14也可贴合或焊接或嵌设在内管12上。
为了便于发热电路14与外部的电源连接，内管12伸出外管11的外壁面上设有与发热电路14电性连接的引线15，可通过引线15与外部的电源连接向发热电路14供电。发热电路14的各段可以独立连接至电源，以达到分段控制发热的效果。
外管11的两端和内管12在真空环境下采用真空焊接连接固定，可以简化两者之间的组装工艺，也可在焊接位置不用考虑内管12向外的散热。
再结合图1至图3所示，在一些实施例中，发热电路14位于管状基材19内侧，引线15位于内管12的外侧，引线15穿过内管12的侧壁与发热电路14电性连接。
优选地，内管12卷曲形成，可以在发热电路14形成后和管状基材19同时进行卷曲，让发热电路14位于内管12内。
本实施例中，管状基材19采用陶瓷材质，管状基材19的内侧设有用于绝缘和隔热的介质层，发热电路14设置在介质层外。介质层通常为玻璃层，防止内管12的陶瓷层相变导致的陶瓷层尺寸变化，以及高温离子化导致陶瓷材料变为超导。陶瓷材质的管状基材19可以降低向外的散热速度，提升对低温卷烟加热的效果。其他实施例中，管状基材19也可采用前述其他材质。
结合图4至图7所示，在另一实施例中，发热电路14位于管状基材19外侧，让发热电路14位于真空区13内。此时，管状基材19可以直接做成筒状，在筒状管状基材19外设置发热电路14；管状基材19也可以为卷曲形成，发热电路14可以在卷曲前或卷曲后设置到管状基材19上。发热电路14不管是设置在内管12内侧还是外侧，两种方案的管状基材19的材质都可以相同。
发热电路14要从真空区13引出后才能与引线15连接接电，因此，内管12的外侧面还设有连接在引线15和发热电路14之间的布线16。布线16上覆盖有绝缘层17，可以让布线16与外管11和内管12之间的焊接材料18绝缘，避免与焊接材料18短路。
可以理解地，上述各技术特征可以任意组合使用而不受限制。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。
Claims (13)
- 一种真空隔热的加热组件（1），其特征在于，包括外管（11）和内管（12）；所述外管（11）套设于所述内管（12）外，所述外管（11）的两端部与所述内管（12）的外壁面固定连接，在所述外管（11）的内壁面和所述内管（12）之间形成真空区（13）；所述内管（12）包括管状基材（19），以及形成于所述管状基材（19）表面、以在通电后发热的发热电路（14），所述发热电路（14）在所述管状基材（19）上的轴向位置位于所述真空区（13）所在的轴向区间内。
- 根据权利要求1所述的真空隔热的加热组件（1），其特征在于，所述发热电路（14）分段设置，且各段分别与引线（15）电性连接，各段所述发热电路（14）在所述管状基材（19）的轴向分布，和/或，各段所述发热电路（14）在所述管状基材（19）的周向分布。
- 根据权利要求1所述的真空隔热的加热组件（1），其特征在于，所述发热电路（14）印刷形成于所述管状基材（19）上。
- 根据权利要求1所述的真空隔热的加热组件（1），其特征在于，所述内管（12）伸出所述外管（11）的外壁面上设有与所述发热电路（14）电性连接的引线（15）。
- 根据权利要求1所述的真空隔热的加热组件（1），其特征在于，所述管状基材（19）为低导热材料，包括不锈钢、钛合金、镍基合金和氧化锆、陶瓷中的一种。
- 根据权利要求1至5任一项所述的真空隔热的加热组件（1），其特征在于，所述外管（11）的两端和所述内管（12）之间采用真空焊接连接固定。
- 根据权利要求6所述的真空隔热的加热组件（1），其特征在于，所述发热电路（14）位于所述管状基材（19）内侧，所述内管（12）伸出所述外管（11）的外壁面上设有与所述发热电路（14）电性连接的引线（15），所述引线（15）穿过所述管状基材（19）的侧壁与所述发热电路（14）电性连接。
- 根据权利要求7所述的真空隔热的加热组件（1），其特征在于，所述内管（12）卷曲形成。
- 根据权利要求8所述的真空隔热的加热组件（1），其特征在于，所述管状基材（19）采用陶瓷材质，所述管状基材（19）的内侧设有介质层，以隔离陶瓷防止相变和高温离子化，所述发热电路（14）位于所述介质层外侧。
- 根据权利要求9所述的真空隔热的加热组件（1），其特征在于，所述介质层为玻璃层。
- 根据权利要求6所述的真空隔热的加热组件（1），其特征在于，所述发热电路（14）位于所述管状基材（19）外侧，所述发热电路（14）位于所述真空区（13）内。
- 根据权利要求11所述的真空隔热的加热组件（1），其特征在于，所述内管（12）伸出所述外管（11）的外壁面上设有与所述发热电路（14）电性连接的引线（15），所述内管（12）的外侧面还设有连接在所述引线（15）和所述发热电路（14）之间的布线（16），所述布线（16）上覆盖有绝缘层（17），让所述布线（16）与所述外管（11）和所述内管（12）之间的焊接材料（18）绝缘。
- 一种烘烤烟具，其特征在于，包括权利要求1至12任一项所述的真空隔热的加热组件（1）。
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| CN104219973A (zh) * | 2012-01-31 | 2014-12-17 | 奥驰亚客户服务公司 | 电子烟 |
| CN107106797A (zh) * | 2014-10-29 | 2017-08-29 | 奥驰亚客户服务有限责任公司 | 电子烟筒体 |
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