WO2020037852A1 - Corps chauffant et son procédé de fabrication, et appareil de génération d'aérosol - Google Patents
Corps chauffant et son procédé de fabrication, et appareil de génération d'aérosol Download PDFInfo
- Publication number
- WO2020037852A1 WO2020037852A1 PCT/CN2018/116519 CN2018116519W WO2020037852A1 WO 2020037852 A1 WO2020037852 A1 WO 2020037852A1 CN 2018116519 W CN2018116519 W CN 2018116519W WO 2020037852 A1 WO2020037852 A1 WO 2020037852A1
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- WO
- WIPO (PCT)
- Prior art keywords
- heating element
- element body
- metal inner
- inner tube
- tubular
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
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- A24F47/008—
Definitions
- the invention relates to the technical field of electronic cigarettes, and more particularly, to a heating element, a manufacturing method thereof, and an aerosol generating device.
- the heating body used in the existing electric heating aerosol generating device generally adopts a ceramic substrate, and then covers the ceramic substrate with a layer of resistance heating element, wherein the resistance heating element is printed on the surface of the ceramic substrate, and then After the high temperature process, the resistance heating element is solidified on the surface of the ceramic substrate.
- the existing heating body is wound with a heating wire around the outer surface of an insulated metal pipe, or a PI film printed with a heating element is sleeved on the metal pipe or ceramic pipe, or the outer surface of a ceramic cup, so that the heating wire or PI
- the membrane is fixed with a metal tube or a ceramic tube, and a ceramic cup is fixed.
- the technical problem to be solved by the present invention is to provide a heating element, a manufacturing method thereof, and an aerosol generating device in response to the foregoing defects of the prior art.
- the technical solution adopted by the present invention to solve its technical problems is to construct a heating element, including a metal inner tube whose outer surface is insulated, and a heating element body sleeved on the outer surface of the metal inner tube;
- the heating element body has a tubular shape, and the heating element body and the metal inner tube are interference fit.
- the metal inner tube has a hollow structure.
- the first-stage heating element body and the second-stage heating element body, the first-stage heating element body and the second-stage heating element body are sleeved on the outer surface of the metal inner tube separately.
- each segment of the heating element body is provided with a lead wire for connecting the heating element body to an external power supply circuit.
- the heating element body is a stainless steel heating element body.
- it further comprises an insulating layer covering the outer surface of the body of the heating element.
- the invention also provides a method for manufacturing a heating element, which includes the following steps:
- An insulating layer is coated on the outer surface of the tubular heating element body and cured.
- the invention also provides an aerosol generating device, which includes the heating element described above and a power supply module electrically connected to the heating element.
- the heating element embodying the present invention has the following beneficial effects: the heating element main body of the present invention and the metal inner tube are fixed to the outer wall of the metal inner tube in an interference fit manner, so that the heating element main body and the metal inner tube are in close contact, ensuring that With sufficient heat conduction efficiency, the heating element body and the metal inner tube heat up at the same time and expand while keeping the two in close contact.
- the tubular heating element body is used to accurately control the resistance value of the heating element body during production, thereby improving the accuracy and consistency of the heating element.
- FIG. 1 is a schematic structural diagram of a first embodiment of a heating element provided by the present invention.
- FIG. 2 is a schematic structural diagram of a second embodiment of a heating element provided by the present invention.
- FIG. 3 is a schematic flowchart of a method for manufacturing a heating element provided by the present invention.
- FIG. 1 it is a schematic structural diagram of a first embodiment of a heating element provided by the present invention.
- the metal inner tube 10 By adopting a metal inner tube 10 whose outer surface is subjected to insulation treatment, the metal inner tube 10 can be insulated from the heating element body 20 sleeved on the outer surface thereof.
- the metal inner pipe 10 may be any metal pipe, and the material of the metal inner pipe 10 is not limited in the present invention.
- the metal inner tube 10 is mainly used for supporting. The use of the metal inner tube 10 as a support for a heating element can enhance the strength and hardness of the heating element.
- the metal inner tube 10 has a hollow structure.
- the heat dissipation rate of the heating element can also be improved.
- the inner diameter of the metal inner tube 10 is based on the size of the smoking article to be inserted therein, that is, the inner diameter of the metal inner tube 10 is based on the smoking product can be accommodated therein.
- the smoking article may be a cigarette or the like. Therefore, the inner diameter of the metal inner tube 10 is adapted to the outer diameter of the cigarette so that the cigarette product can be just inserted into it.
- the heating element body 20 has a tubular shape, and the heating element body 20 and the metal inner tube 10 are interference fit. Specifically, the heating element body 20 is a tubular heating element body 20, which is an integrally molded structure.
- the heating element body 20 is a stainless steel heating element body.
- 316L series stainless steel pipes are preferred.
- the heating element body 20 is not limited to a stainless steel material, and other heating materials may also be used.
- the inner diameter of the heating element body 20 is smaller than the outer diameter of the metal inner tube 10.
- the inner diameter of the tubular heating element body 20 is slightly smaller than the outer diameter of the metal inner tube 10, so that the heating element body 20 can achieve an interference fit with the metal inner tube 10.
- the interference fit tolerance of the heating element body 20 and the metal inner tube 10 is P7 / h6.
- the interference fit tolerance of the heating element body 20 and the metal inner tube 10 may also be adopted, which is not limited to the interference fit tolerance of P7 / h6.
- the stainless steel heating element body 20 is described.
- the molding process of the heating element body 20 is: according to the design requirements, first take an appropriate amount of stainless steel tube, and then use laser cutting, corrosion or precision stamping to perform the stainless steel tube according to a preset pattern. Etching to obtain a corresponding hollow stainless steel tube, which is the tubular heating element body 20 of the present invention.
- the physical properties of the heating element body 20 can be made more stable, the resistivity and temperature variation coefficient are more stable, and the uniformity is better.
- the heating element body 20 can be controlled more accurately during production The resistance value and temperature effectively improve the accuracy and consistency of the heating element.
- the heating element body 20 is provided with a plurality of sets of notches 201 along the axial direction, and each set of notches 201 includes two notches 201 disposed symmetrically. That is, each set of notches 201 is provided with two notches 201, and the two notches 201 have the same shape and size, and are arranged symmetrically along the circumferential direction of the heating element body 20.
- two adjacent sets of notches 201 in the plurality of sets of notches 201 are staggered in the circumferential direction.
- two adjacent sets of notches 201 are staggered in the circumferential direction to form a plurality of smaller width regions. These smaller width regions are the heating regions of the heating element body 20.
- the number of stages of the notch 201 can be determined according to the calorific value.
- the size of the notch 201 can also be determined based on the calorific value. That is, the shape and size of the hollow pattern can be determined according to the calorific value. The invention does not specifically limit this .
- the heating element body 20 further includes an insulating layer covering an outer surface of the heating element body 20.
- the insulating layer can be coated on the outer surface of the heating element body 20 by printing or coating.
- the insulating layer can fill the hollowed-out area of the heating element body 20.
- the insulating layer is a high temperature resistant insulating layer, preferably a ceramic glaze insulating layer or a plastic insulating layer.
- the insulating layer may also use other high-temperature-resistant materials, and is not limited to a ceramic glaze insulating layer or a plastic insulating layer.
- a smoking article when the heating element is used, a smoking article can be inserted into the metal inner tube 10, and the heating element can be supplied with electricity through an external power supply circuit, so that the heating element body 20 in the heating element generates heat, The generated heat heats the smoking article, so that the smoking article generates a corresponding aerosol for the user to smoke.
- FIG. 2 it is a schematic structural diagram of a second embodiment of a heating element provided by the present invention.
- the inner surface of the heat-generating outer surface of the metal inner tube 10 As shown in FIG. 2, in this embodiment, the inner surface of the heat-generating outer surface of the metal inner tube 10, the first heat-generating element body 20A and the second heat-generating element body 20B, the first heat-generating element body 20A, and the second heat-generating body.
- the element body 20B is sleeved on the outer surface of the metal inner tube 10 separately.
- the metal inner tube 10 By using a metal inner tube 10 whose outer surface is subjected to insulation treatment, the metal inner tube 10 can be insulated from the first heating element body 20A and the second heating element body 20B sleeved on the outer surface thereof.
- the metal inner pipe 10 may be any metal pipe, and the material of the metal inner pipe 10 is not limited in the present invention.
- the metal inner tube 10 is mainly used for supporting. The use of the metal inner tube 10 as a support for a heating element can enhance the strength and hardness of the heating element.
- the metal inner tube 10 has a hollow structure. By using the metal inner tube 10 with a hollow structure to act as a support of the heating element, the heat dissipation rate of the heating element can also be improved.
- the inner diameter of the metal inner tube 10 is based on the size of the smoking article to be inserted therein, that is, the inner diameter of the metal inner tube 10 is based on the smoking product can be accommodated therein.
- the smoking article may be a cigarette or the like. Therefore, the inner diameter of the metal inner tube 10 is adapted to the outer diameter of the cigarette so that the cigarette product can be just inserted into it.
- the first heating element body 20A and the second heating element body 20B are tubular, and the first heating element body 20A and the second heating element body 20B are interference fit with the metal inner tube 10.
- the first heat-generating element body 20A and the second heat-generating element body 20B are tubular and have an integrated structure.
- the first heating element body 20A and the second heating element body 20B are both stainless steel heating element bodies.
- 316L series stainless steel pipes are preferred.
- the material is not limited to stainless steel, and other heat-generating materials may also be used.
- the inner diameters of the first heating element body 20A and the second heating element body 20B are smaller than the outer diameter of the metal inner tube 10.
- the inner diameter of the first heating element body 20A and the second heating element body 20B is slightly smaller than the outer diameter of the metal inner tube 10, so that the first heating element body 20A and the second heating element body 20B can reach the metal inner tube 10.
- the interference fit tolerance between the first heating element body 20A and the second heating element body 20B and the metal inner tube 10 is P7 / h6.
- the first heating element body 20A and the second heating element body 20B and the metal inner tube 10 may also adopt other interference fit tolerances, and are not limited to the P7 / h6 Interference fit tolerance
- first heating element body 20A and the second heating element body 20B have a hollow structure.
- the molding process of the first heating element body 20A is the same as that of the second heating element body 20B.
- the first heating element body 20A of stainless steel is described.
- the forming process of the first heating element body 20A is: according to the design requirements, first take a suitable amount of stainless steel tube, and then use laser cutting, corrosion or precision stamping according to the preset
- the stainless steel tube is etched in a pattern to obtain a corresponding hollow stainless steel tube.
- the hollow stainless steel tube is the tubular first heating element body 20A of the present invention.
- the second heating element body 20B can also adopt the same manufacturing process.
- the first heating element body 20A and the second heating element body 20B are each provided with a plurality of sets of notches (201A, 201B) along the axial direction, and each set of notches includes two notches arranged symmetrically. That is, there are two notches in each group of notches, and the two notches are of the same shape and size, and are symmetrically arranged along the circumferential direction of the heating element body.
- adjacent two sets of notches in the multiple sets of notches are staggered in the circumferential direction.
- the adjacent two sets of notches are staggered in the circumferential direction to form a plurality of smaller width regions. These smaller width regions are the heat generated by the heating element body. Area, where the number of gaps can be determined according to the amount of heat generated, and the size of the gap can also be determined according to the amount of heat generated .
- the distance between the first heating element body 20A and the second heating element body 20B needs to be determined according to the material of the metal inner tube 10.
- the metal inner tube 10 is an aluminum metal inner tube 10
- the aluminum metal inner tube 10 has a high heating efficiency
- the distance between the first heating element body 20A and the second heating element body 20B needs to be more Longer.
- the heating element of the present invention may further be provided with three, four or more heating element bodies. When a plurality of heating element bodies are included, two adjacent heating element bodies are not in contact. In order to prevent interference between the heating element bodies of each section, and avoid short circuit between the heating element bodies.
- a lead 202A is provided at each end of the first heating element body 20A
- a lead 202B is provided at each end of the second heating element body 20B. It is fixed at both ends of the heating element body.
- the lengths of the two leads of each of the first heating element body 20A and the second heating element body 20B can be determined according to the needs of assembly, and the present invention is not specifically limited.
- the first heating element body 20A and the second heating element body 20B can be realized.
- the external power supply circuit may include a rechargeable battery or a disposable battery.
- Rechargeable batteries include, but are not limited to, lithium batteries and the like.
- Rechargeable batteries include, but are not limited to, lithium batteries and the like.
- one end is provided at each end of each section of the heating element body, so that each section of the heating element body can be independently conductively connected to the external power supply circuit, thereby realizing The temperature of the heating element body is controlled in stages, so that the smoking products built in the heating body can generate aerosol in stages.
- first heating element body 20A and the second heating element body 20B further include an insulating layer covering the outer surfaces of the first heating element body 20A and the second heating element body 20B.
- the insulating layer may cover the outer surfaces of the first heating element body 20A and the second heating element body 20B by printing or coating.
- the insulating layer may fill the first heating element body 20A and the second heating element body. 20B cutout area.
- the insulating layer completely covers the first heating element body 20A and the second heating element body 20B, which can play a good insulating role and effectively avoid the first heating element body 20A and the second heating element body 20B is harmful to the human body during fever.
- the insulating layer is a high temperature resistant insulating layer, preferably a ceramic glaze insulating layer or a plastic insulating layer.
- the insulating layer may also use other high-temperature-resistant materials, and is not limited to a ceramic glaze insulating layer or a plastic insulating layer.
- the invention adopts an interference fit between the heating element body and the metal inner tube to fix the outer wall of the metal inner tube in an interference fit, so that the heating element body can be in close contact with the metal inner tube, ensuring sufficient heat conduction efficiency, and the heating element body is used during use At the same time as the metal inner tube is heated up and expanded at the same time, the two are always kept in close contact.
- the tubular heating element body is used to accurately control the resistance value of the heating element body during production, thereby improving the accuracy and consistency of the heating element.
- the present invention also provides an aerosol generating device.
- the aerosol generating device includes the aforementioned heating element and a power supply module electrically connected to the heating element.
- the power supply module is electrically connected to the heating element through the aforementioned leads provided at both ends of the heating element body.
- the power supply module may be a rechargeable battery or a disposable battery. Rechargeable batteries include, but are not limited to, lithium batteries and the like.
- a method for manufacturing a heating element according to the present invention is provided.
- the manufacturing method of the heating element is used to manufacture the heating element of the foregoing embodiment.
- the manufacturing method of the heating element includes the following steps:
- Step S1 Etching the stainless steel tube according to a preset pattern to obtain a tubular heating element body; the inner diameter of the stainless steel tube is smaller than the outer diameter of the metal inner tube.
- the stainless steel pipe can be etched using, but not limited to, laser cutting, etching, or precision stamping.
- laser cutting, etching, or precision stamping to etch the stainless steel pipe according to a preset pattern, the required
- the hollow stainless steel tube is the tubular heating element body of the present invention.
- Step S2 Pre-heat the tubular heating element body to increase the inner diameter of the tubular heating element body.
- Step S3 The pre-heated tubular heating element body is sleeved on the outer wall of the metal inner tube in a low temperature state.
- Step S4 cooling at room temperature, so that the tubular heating element body is sleeved on the periphery of the metal inner tube.
- step S5 an outer surface of the tubular heating element body is coated with an insulating layer and cured.
- the insulating layer may be cured on the outer surface of the tubular heating element body by a high temperature.
- the insulating layer is a high temperature resistant insulating layer, preferably a ceramic glaze insulating layer or a plastic insulating layer.
- the insulating layer may also use other high-temperature-resistant materials, and is not limited to a ceramic glaze insulating layer or a plastic insulating layer.
- a tubular heating element body having an inner diameter smaller than the outer diameter of a metal inner tube is first pre-heated during assembly, so that the hole in the tubular heating element body is enlarged, and then the metal is placed in a metal at a low temperature.
- the outer wall of the inner tube when the tubular heating element body is cooled, it can be tightly wrapped around the outer wall of the metal inner tube, so as to achieve the effect of closely contacting the heating element body with the metal inner tube, ensuring sufficient heat conduction efficiency and consistency.
- the heating element body and the metal inner tube simultaneously heat up and expand at the same time, always keeping the two in close contact.
- the integrated heating element body can accurately control the resistance value of the heating element body during production, thereby improving the accuracy and consistency of the heating element.
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- Resistance Heating (AREA)
Abstract
L'invention concerne un corps chauffant et son procédé de fabrication, et un appareil de génération d'aérosol. Le corps chauffant comprend un tuyau interne métallique (10) dont une surface externe est soumise à un traitement isolant, et un corps d'élément chauffant (20) emmanché sur la surface externe du tuyau interne métallique (10), le corps d'élément chauffant (20) étant de forme tubulaire, et le corps d'élément chauffant (20) étant en ajustement serré avec le tuyau interne métallique (10). Le corps d'élément chauffant (20) est fixé à la paroi externe du tuyau interne métallique (10) de telle sorte qu'il se trouve en ajustement serré avec le tuyau interne métallique (10), de telle sorte que le corps d'élément chauffant (20) peut être en contact étroit avec le tuyau interne métallique (10), afin de garantir une efficacité de conduction thermique suffisante. Lors de l'utilisation, le corps d'élément chauffant (20) et le tuyau interne métallique (10) sont chauffés et se dilatent en même temps, et sont maintenus en contact étroit à tout moment ; en outre, le corps d'élément chauffant tubulaire (20) est utilisé, de telle sorte que la valeur de résistance du corps d'élément chauffant peut être commandée avec précision pendant la production, et que la précision et la cohérence du corps chauffant sont améliorées.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810951764.7 | 2018-08-21 | ||
| CN201810951764.7A CN108903062A (zh) | 2018-08-21 | 2018-08-21 | 一种发热体及其制作方法、气溶胶产生装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020037852A1 true WO2020037852A1 (fr) | 2020-02-27 |
Family
ID=64405441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2018/116519 Ceased WO2020037852A1 (fr) | 2018-08-21 | 2018-11-20 | Corps chauffant et son procédé de fabrication, et appareil de génération d'aérosol |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108903062A (fr) |
| WO (1) | WO2020037852A1 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102872167B1 (ko) | 2020-05-12 | 2025-10-15 | 센젠 퍼스트 유니온 테크놀러지 캄파니 리미티드 | 에어로졸 생성 장치 및 서셉터 |
| CN111657557A (zh) * | 2020-05-19 | 2020-09-15 | 深圳市华诚达精密工业有限公司 | 加热装置及其制造方法、加热不燃烧烟具 |
| WO2021232250A1 (fr) * | 2020-05-19 | 2021-11-25 | 深圳市华诚达精密工业有限公司 | Dispositif de chauffage et son procédé de fabrication, et cigarette électronique à chauffage sans combustion |
| CN114073333A (zh) * | 2020-08-12 | 2022-02-22 | 深圳市合元科技有限公司 | 气雾生成装置及感受器 |
| CN116419686A (zh) * | 2020-11-06 | 2023-07-11 | 日本烟草国际股份有限公司 | 具有散热壳体的气溶胶产生装置 |
| WO2024187427A1 (fr) * | 2023-03-15 | 2024-09-19 | 深圳十商科技有限公司 | Corps chauffant et son procédé de fabrication |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130192618A1 (en) * | 2012-01-31 | 2013-08-01 | Yonghai Li | Atomizer for electronic cigarette |
| CN205040656U (zh) * | 2015-09-24 | 2016-02-24 | 深圳市新宜康科技有限公司 | 非接触电热丝电子烟雾化芯 |
| CN105901774A (zh) * | 2016-05-27 | 2016-08-31 | 深圳市云创高科电子有限公司 | 气流加热型电子烟 |
| CN206227716U (zh) * | 2016-09-14 | 2017-06-09 | 深圳市合元科技有限公司 | 电子烟的雾化器及电子烟 |
| CN207236100U (zh) * | 2017-09-26 | 2018-04-17 | 湖南酷伯新晶电子科技有限公司 | 石英玻璃发热体及与之相匹配的电子烟用雾化器和电子烟 |
| CN208096011U (zh) * | 2018-03-12 | 2018-11-16 | 威滔电子科技(深圳)有限公司 | 一种发热体及电子烟 |
| CN208113003U (zh) * | 2018-04-27 | 2018-11-16 | 深圳市卓力能电子有限公司 | 一种电子烟烤烟加热体 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206923675U (zh) * | 2017-04-25 | 2018-01-26 | 湖南中烟工业有限责任公司 | 低温烟雾化器及其低温烟 |
| CN207383533U (zh) * | 2017-09-28 | 2018-05-22 | 湖南中烟工业有限责任公司 | 基于电磁加热的二合一新型烟草烟具及其烟具主机平台 |
| CN207653599U (zh) * | 2017-12-11 | 2018-07-27 | 湖南中烟工业有限责任公司 | 基于电磁加热的低温烟具模组及低温烟具 |
-
2018
- 2018-08-21 CN CN201810951764.7A patent/CN108903062A/zh active Pending
- 2018-11-20 WO PCT/CN2018/116519 patent/WO2020037852A1/fr not_active Ceased
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130192618A1 (en) * | 2012-01-31 | 2013-08-01 | Yonghai Li | Atomizer for electronic cigarette |
| CN205040656U (zh) * | 2015-09-24 | 2016-02-24 | 深圳市新宜康科技有限公司 | 非接触电热丝电子烟雾化芯 |
| CN105901774A (zh) * | 2016-05-27 | 2016-08-31 | 深圳市云创高科电子有限公司 | 气流加热型电子烟 |
| CN206227716U (zh) * | 2016-09-14 | 2017-06-09 | 深圳市合元科技有限公司 | 电子烟的雾化器及电子烟 |
| CN207236100U (zh) * | 2017-09-26 | 2018-04-17 | 湖南酷伯新晶电子科技有限公司 | 石英玻璃发热体及与之相匹配的电子烟用雾化器和电子烟 |
| CN208096011U (zh) * | 2018-03-12 | 2018-11-16 | 威滔电子科技(深圳)有限公司 | 一种发热体及电子烟 |
| CN208113003U (zh) * | 2018-04-27 | 2018-11-16 | 深圳市卓力能电子有限公司 | 一种电子烟烤烟加热体 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108903062A (zh) | 2018-11-30 |
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