CN112205682A - Carbon nanofiber membrane rapid heating electronic cigarette heating pipe - Google Patents
Carbon nanofiber membrane rapid heating electronic cigarette heating pipe Download PDFInfo
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- CN112205682A CN112205682A CN202011234671.6A CN202011234671A CN112205682A CN 112205682 A CN112205682 A CN 112205682A CN 202011234671 A CN202011234671 A CN 202011234671A CN 112205682 A CN112205682 A CN 112205682A
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- heating
- carbon nanofiber
- nanofiber membrane
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- electronic cigarette
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
Abstract
The invention discloses a carbon nanofiber membrane rapid heating electronic cigarette heating pipe, and particularly relates to the technical field of electric heating devices. Contain the hollow tube, the cladding is in on the hollow tube lateral wall and be used for the ohmic heating to place with the electric heating layer of outside circuit board electricity connection in tobacco leaf or cigarette bullet in the hollow tube, the cladding is in insulating layer on the lateral wall of electric heating layer, the cladding is in the infrared reflection layer outside the insulating layer, and, the cladding is in fixed bed on the infrared reflection layer lateral wall. The hollow pipe is used for accommodating tobacco leaves or smoke bombs, and the electric heating layer is a carbon nanofiber membrane. Adopt above-mentioned technical scheme directly to coat the cladding with electric heating film at the hollow tube surface, compare traditional resistance wire heating pipe, simplified the structure, simplified the preparation flow, and the programming rate is faster, and heating area is bigger, and the heating is more even, is a neotype electron cigarette heating pipe, can bring better use experience for the electron cigarette user when subtracting the harm healthily.
Description
Technical Field
The invention relates to the technical field of electric heating devices, in particular to a carbon nanofiber membrane rapid heating electronic cigarette heating pipe.
Background
With the increasing concern of people on health and the pursuit of green living environment, the global cigarette control has become an obvious trend, but tobacco as a special commodity cannot disappear from the market in a short time, so that the harm reduction of tobacco products becomes an inevitable trend for the development of the tobacco industry, wherein the non-combustion heating is the most important solution, namely, the cigarette is not ignited, and the tobacco leaves are heated to a degree just enough to emit fragrance by utilizing an external heat source with proper temperature, the method can avoid the generation of harmful substances such as carbon monoxide, tar and the like during the combustion of the traditional cigarette, and compared with the atomized electronic cigarette, the fragrance and taste experience of the traditional tobacco can be furthest reduced. The heating tube is one of the most critical components for heating the non-burning electronic cigarette, and is therefore the key technology for developing new generation electronic cigarettes.
At present, the heating temperature for heating a non-combustible electronic cigarette product in the market is generally 300-: the service life is short, and the alloy resistance wire is easy to oxidize at high temperature, so that the heating efficiency is reduced and even the alloy resistance wire is blown; poor thermal shock resistance and inability to withstand repeated and rapid power-on and power-off operations over a long period of time. Therefore, improvements are desired.
Disclosure of Invention
The invention aims to provide the carbon nanofiber membrane rapid heating electronic cigarette heating pipe aiming at the defects and shortcomings of the prior art, and the carbon nanofiber membrane rapid heating electronic cigarette heating pipe has stable property, is not oxidized when being heated within the temperature range of 350-400 ℃, and has long service life; the carbon nanofiber has good thermal shock resistance and is suitable for being used as a heating material of a frequent intermittent heating device; the carbon nanofiber membrane is continuously distributed, the surface of the hollow tube can be completely coated, so that the heated area of tobacco is larger, the heating mode is mainly infrared radiation heating, the heating is more uniform, the heating speed is higher, and meanwhile, the carbon nanofiber has a large specific surface area, so that the infrared radiation area is large, the power density is high, and the advantage of the temperature required by the electronic cigarette can be achieved instantly.
In order to achieve the purpose, the invention adopts the technical scheme that: a nano carbon fiber film rapid heating electronic cigarette heating pipe is a hollow pipe, wherein the hollow pipe is used for accommodating tobacco leaves or smoke bombs; the electric heating layer is coated on the outer side wall of the hollow pipe, is electrically connected with an external circuit board and is used for electrifying and heating the tobacco leaves or the tobacco bombs placed in the hollow pipe; the insulating and heat-insulating layer is coated on the outer side of the electric heating layer; the infrared reflecting layer is coated outside the insulating heat-insulating layer; and the fixing layer is coated on the outer side of the infrared reflecting layer.
The hollow tube is a quartz tube, an alumina tube or a magnesia tube.
The electric heating layer is a carbon nanofiber membrane; when the input voltage to the carbon nanofiber membrane is 5V, the heating temperature of the carbon nanofiber membrane is 350-400 ℃.
And metal electrodes are arranged at the edges of the two ends of the carbon nanofiber membrane.
The insulating and heat-insulating layer is a ceramic fiber film, mica paper, silicon carbide fiber paper, glass fiber paper or aluminum silicate fiber paper.
The infrared reflecting layer is an aluminum foil or a nickel foil.
The inner diameter of the hollow tube is 6-15mm, and the wall thickness is 1-3 mm; the thickness of the insulating layer is 0.1-0.2 mm; the thickness of the infrared reflecting layer is 10-50 μm.
The fixed layer is composed of two symmetrical semicircular arc-shaped glass sheets or ceramic sheets.
And the fixing layer is provided with a fixing piece used for fixedly assembling the fixing layer on the infrared reflecting layer.
And a metal electrode is arranged at the edge of the side wall of the carbon nanofiber membrane.
After the technical scheme is adopted, the invention has the beneficial effects that: the hollow tube is used for accommodating tobacco leaves or cartridges. The electric heating layer is coated on the outer side wall of the hollow tube and is electrically connected with an external circuit board for electrically heating the tobacco leaves or the smoke bombs. The insulating and heat-insulating layer is coated on the outer side of the electric heating layer. The cladding of insulating layer is on carbon nanofiber membrane surface, reduces the heat outward diffusion loss, and the heating effect in reinforcing cavity heating chamber reduces skin package's temperature simultaneously, prevents the problem of scalding one's hand. The nano carbon fiber film rapid heating electronic cigarette heating pipe also comprises an infrared reflecting layer, and the infrared reflecting layer is coated outside the insulating heat-insulating layer. The infrared light reflecting layer is coated on the surface of the insulating heat insulation layer and reflects part of infrared radiation back to the hollow heating cavity, so that the heating effect is enhanced. The nano carbon fiber film rapid heating electronic cigarette heating pipe also comprises a fixing layer, and the hollow quartz tube, the electric heating layer, the insulating and heat-insulating layer and the infrared light reflecting layer are packaged into a whole. The electric heating layer is a carbon nanofiber membrane, so that the hollow tube can be heated uniformly, the heating temperature required by tobacco leaves or smoke bombs is quickly increased, the experience feeling of a user is enhanced, and the heating effect is stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional structure view of a heating tube of a rapid heating electronic cigarette made of a carbon nanofiber membrane prepared in example 1;
fig. 2 is a schematic view of a three-dimensional structure of a rapid heating electronic cigarette heating tube made of a carbon nanofiber membrane prepared in embodiment 1;
FIG. 3 is a schematic structural view of the hollow quartz tube coated with an electric heating layer in example 1;
FIG. 4 is a spectrum obtained by X-ray photoelectron spectroscopy after the carbon nanofiber membrane in examples 1 and 2 is heated.
Description of reference numerals: 10. a hollow tube; 20. an electric heating layer; 30. an insulating and heat-insulating layer; 40. an infrared light reflecting layer; 50. a fixed layer; 23. a wire; 51. and a fixing member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.
Example 1:
the embodiment relates to a carbon nanofiber membrane rapid heating electronic cigarette heating pipe, as shown in fig. 1-3, including: hollow tube 10, electric heating layer 20, insulating layer 30, infrared reflection layer and fixed layer 50.
Specifically, the hollow tube 10 is used to contain tobacco leaves or cartridges. The electric heating layer 20 is coated on the outer side wall of the hollow tube 10, electrically connected with an external circuit board, and used for heating the tobacco leaves or the cartridges placed in the hollow tube 10. The insulating layer 30 is coated on the outer side wall of the electric heating layer 20. Insulating layer 30 cladding reduces the heat outward diffusion loss on the 20 surfaces of electric heating layer, strengthens the heating effect in cavity heating chamber, reduces skin packaging's temperature simultaneously, prevents the problem of scalding one's hand. The infrared reflecting layer is coated outside the insulating layer 30 and used for reflecting part of infrared radiation to the hollow heating cavity to enhance the heating effect. The fixing layer 50 is coated on the outer sidewall of the infrared reflecting layer. The hollow tube 10, the electric heating layer 20, the insulating layer 30 and the infrared light reflecting layer 40 are packaged into a whole.
Preferably, the hollow tube 10 is a hollow quartz tube, an alumina tube or a magnesia tube. The electric heating layer 20 is a carbon nanofiber film. Can realize that hollow tube 10 is heated evenly, rapid heating up to the required heating temperature of tobacco leaf or cigarette bullet, reinforcing user's experience feels, the stable effect of generating heat. The insulating and heat-insulating layer 30 is made of ceramic fiber film, mica paper, silicon carbide fiber paper, glass fiber paper or aluminum silicate fiber paper. The infrared reflecting layer is an aluminum foil or a nickel foil. In the embodiment, the thickness of the carbon nanofiber membrane is 20-200 μm; the conductivity of the carbon nanofiber membrane is 2000-5000S/m. When the input voltage to the carbon nanofiber membrane is 5V, the heating temperature of the carbon nanofiber membrane is 350-400 ℃. The insulating layer 30 is mica paper. The thickness of the insulating layer 30 is 0.1-0.2 mm. The hollow tube 10 has an inner diameter of 6 to 15mm and a wall thickness of 1 to 3 mm. The heating device has the advantages of being convenient and rapid to clean and maintain, and cleaning can be completed only by wiping the inner wall of the hollow quartz tube without cleaning and maintaining the heating body because the heating material is not in direct contact with the tobacco leaves. The infrared reflecting layer is aluminum foil. The thickness of the infrared reflecting layer is 10-50 μm.
The nano carbon fiber membrane is prepared by pre-oxidizing and carbonizing a PAN nano fiber membrane prepared by an electrostatic spinning method, and graphitizing the PAN nano fiber membrane for 1 to 3 hours in a graphitization furnace at the temperature of 2000-2800 ℃. The following description is given with reference to specific embodiments. In this embodiment, the both ends edge of carbon nanofiber membrane is provided with the metal electrode, and the outside circuit board or the power of being convenient for passes through wire 23 and is connected with the metal electrode to carbon nanofiber membrane input electric energy, in order to realize receiving and carry out the circular telegram to carbon nanofiber membrane rapid heating up electron cigarette heating pipe.
Preferably, the fixing layer 50 is composed of two symmetrical semi-arc-shaped glass or ceramic sheets. The fixing layer 50 is provided with a fixing member 51 for fixing and assembling the fixing layer 50 to the infrared reflecting layer. In this embodiment, the fixing member 51 is a metal band or a high temperature resistant adhesive.
As a scheme of the invention, according to the cross-sectional structure schematic diagram shown in figure 1 and the three-dimensional structure schematic diagram shown in figure 2, a hollow tube 10, an electric heating layer 20, an insulating and heat-insulating layer 30, an infrared light reflecting layer 40 and a fixing layer 50 are sequentially arranged from inside to outside to be subjected to heating tube assembly, a hollow quartz tube with the inner diameter of 8mm, the wall thickness of 2mm and the length of 40mm is selected as a tobacco container, a carbon nanofiber membrane is graphitized at 2400 ℃ for 1h and cut into a rectangle with the area of 32mm multiplied by 40mm, both ends of the carbon nanofiber membrane are coated with high-temperature-resistant conductive adhesive and metal copper foil to form a metal electrode, then the metal electrode is connected through a copper wire 23, the carbon nanofiber membrane connected with the electrode is coated and fixed on the outer surface of the hollow quartz tube through the high-temperature-resistant adhesive, the structure is shown in figure 3, then mica paper and aluminum foil are sequentially coated, a semicircular, the hollow quartz tube, the carbon nanofiber membrane, the insulating and heat-insulating layer 30 and the infrared light reflecting layer 40 are packaged into a whole by coating and fixing the high-temperature-resistant glue on the surface of the aluminum foil, so that the carbon nanofiber membrane rapid heating electronic cigarette heating tube is formed, a control circuit board or a power supply applies 5V direct current voltage to metal electrodes at two ends of the heating tube, an infrared thermometer is used for measuring the temperature in the hollow tube 10, and the test time is set to be 3 seconds due to the requirement of the electronic cigarette on rapid heating performance.
The carbon nanofiber membrane rapid heating electronic cigarette heating pipe prepared by the embodiment is heated to 395 ℃ within 3 seconds under the voltage of 5V and the current is 2A, and the stable heating is maintained, after the continuous electrification work for 1000 hours, the resistance is 2.5 omega, no obvious change is caused, and the working temperature is stabilized at 390 plus 400 ℃.
Example 2 was carried out: the main differences between this embodiment and embodiment 1 are:
the graphitization treatment temperature of the carbon nanofiber membrane in the present invention was 2000 deg.C for 2 hours, and the rest of the conditions were the same as those in example 1.
The carbon nanofiber membrane rapid heating electronic cigarette heating pipe prepared in the embodiment has the advantages that under the voltage of 5V, the current is 1.6A, the temperature is increased to 360 ℃ within 3 seconds and stable heating is maintained, after the carbon nanofiber membrane rapid heating electronic cigarette heating pipe is continuously electrified and works for 4 hours, the resistance is gradually increased to 5 omega, and the working temperature is gradually reduced to 290-310 ℃.
Example 3 of implementation: the main differences between this embodiment and embodiment 1 are:
the graphitization temperature of the filamentous nanocarbon film was 2800 ℃ for 2 hours in the present invention, and the rest of the conditions were the same as those in example 1.
The carbon nanofiber membrane rapid heating electronic cigarette heating pipe prepared by the embodiment is heated to 400 ℃ within 3 seconds at a voltage of 5V and a current of 2.1A, the stable heating is maintained, the electronic cigarette heating pipe is continuously electrified and works for 1000 hours, the resistance of the electronic cigarette heating pipe is 2.4 omega, no obvious change occurs, and the working temperature is stabilized at 395-400 ℃.
Example 4 of implementation: the main differences between this embodiment and embodiment 1 are:
the graphitization treatment temperature in the present invention was 2400 ℃ for 2 hours, and the other conditions were the same as those in working example 1.
The carbon nanofiber membrane rapid heating electronic cigarette heating pipe prepared by the embodiment is heated to 395 ℃ within 3 seconds at 5V voltage and current of 2A, and is kept to stably heat, and is continuously electrified for 1000 hours, the resistance of the electronic cigarette heating pipe is 2.5 omega, no obvious change occurs, and the working temperature is stabilized at 390 plus 400 ℃.
Example 5 was carried out:
the graphitization treatment temperature in the present invention was 2400 ℃ for 3 hours, and the other conditions were the same as those in working example 1.
The carbon nanofiber membrane rapid heating electronic cigarette heating pipe prepared by the embodiment is heated to 395 ℃ within 3 seconds at 5V voltage and current of 2A, and is kept to stably heat, and is continuously electrified for 1000 hours, the resistance of the electronic cigarette heating pipe is 2.5 omega, no obvious change occurs, and the working temperature is stabilized at 390 plus 400 ℃.
Compared with the embodiment examples 1-3, the stability of the obtained carbon nanofiber membrane is poor when the graphitization treatment temperature is lower, the resistance is increased due to partial oxidation when the carbon nanofiber membrane is electrified and heated, and the heating temperature is reduced, fig. 4 shows the spectrograms obtained by performing an X-ray photoelectron spectroscopy test after the carbon nanofiber membrane is heated in the embodiment examples 1 and 2, and as can be seen from the graphs, when the graphitization treatment temperature is 2000 ℃, the carbon nanofiber membrane is obviously oxidized when working at 400 ℃ of 350-. When the graphitization treatment temperature is 2400 ℃, the carbon nanofiber membrane with good stability can be obtained, the resistance and the heating temperature are stable, the carbon nanofiber membrane with good stability can be still obtained by continuously increasing the graphitization treatment temperature, but the resistance and the stable heating temperature are not obviously changed. Comparing the examples 1, 4 and 5, it can be seen that the graphitization treatment time has no significant effect on the resistance and stable heating temperature of the filamentous nanocarbon membrane.
In summary, the suitable graphitization temperature of the carbon nanofiber membrane of the electric heating layer 20 is 2400 ℃ for 1 h. The rapid heating electronic cigarette heating pipe assembled by the carbon nanofiber membrane prepared under the condition works under 5V direct current voltage, can stably heat within the temperature range of 350-400 ℃, can volatilize fragrance in tobacco leaves within a few seconds after electrification, has short waiting time and long service life of 1000h, and obviously improves the use experience of electronic cigarettes.
The working principle of the invention is roughly as follows: manufacturing a carbon nanofiber membrane rapid heating electronic cigarette heating pipe, firstly taking a hollow pipe 10, then taking the carbon nanofiber membrane, cutting the carbon nanofiber membrane to make the length of the carbon nanofiber membrane be 10 weeks long and the width of the carbon nanofiber membrane be 10, fixing the cut carbon nanofiber membrane on the outer side wall of the hollow pipe 10 through high-temperature-resistant glue, enabling the carbon nanofiber membrane to completely coat the hollow pipe 10, enabling the heating temperature of the hollow pipe 10 to be uniform, thereby ensuring that tobacco leaves or smoke bombs in the cavity of the hollow pipe 10 are uniformly heated, then fixing metal electrodes at the edges of two ends of the carbon nanofiber membrane through the high-temperature-resistant glue, enabling an external circuit board or a power supply to be connected with the metal electrodes through wires 23, then fixing mica paper outside the carbon nanofiber membrane through the high-temperature-resistant glue, enabling the mica paper to completely coat the outer side of the carbon nanofiber membrane, and reducing, the heating effect of the electric heating layer 20 on the tobacco leaves is enhanced, then the aluminum foil is cut, the aluminum foil is fixed on the outer side of the mica paper through high-temperature-resistant glue, the aluminum foil is completely coated on the outer side of the mica paper, the external infrared radiation of the carbon nanofiber membrane is reduced, the heating effect of the heating layer on the tobacco leaves is enhanced, and finally the two semicircular arc-shaped glass sheets are coated on the surface of the aluminum foil through the high-temperature-resistant glue, so that the hollow quartz tube, the electric heating layer 20, the insulating and heat-insulating layer 30 and the infrared light reflection layer 40. The invention directly uses the complete carbon nanofiber membrane as a heating element to coat the outside of the hollow quartz tube, and only needs to connect electrodes at two ends, thereby having the advantage of simple processing and forming.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered by the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a nanometer carbon fiber membrane rapid heating electron cigarette heating pipe which characterized in that includes:
a hollow tube (10), said hollow tube (10) for containing tobacco leaves or cartridges;
the electric heating layer (20) is coated on the outer side wall of the hollow pipe (10), is electrically connected with an external circuit board and is used for heating tobacco leaves or smoke bombs placed in the hollow pipe (10) in an electrified way;
an insulating and heat-insulating layer (30) coated on the outer side of the electric heating layer (20);
the infrared reflecting layer is coated outside the insulating and heat-insulating layer (30);
and a fixing layer (50) coated outside the infrared reflecting layer.
2. The carbon nanofiber membrane rapid heating electronic cigarette heating tube according to claim 1, wherein the hollow tube (10) is a quartz tube, an alumina tube or a magnesium oxide tube.
3. The carbon nanofiber membrane rapid heating electronic cigarette heating pipe according to claim 1, wherein the electric heating layer (20) is a carbon nanofiber membrane;
when the input voltage to the carbon nanofiber membrane is 5V, the heating temperature of the carbon nanofiber membrane is 350-400 ℃.
4. The carbon nanofiber membrane rapid heating electronic cigarette heating pipe as claimed in claim 3, wherein metal electrodes are arranged at edges of two ends of the carbon nanofiber membrane.
5. The carbon nanofiber membrane rapid heating electronic cigarette heating pipe as claimed in claim 1, wherein the insulating and heat-insulating layer (30) is a ceramic fiber membrane, mica paper, silicon carbide fiber paper, glass fiber paper or aluminum silicate fiber paper.
6. The carbon nanofiber membrane rapid heating electronic cigarette heating tube as claimed in claim 1, wherein the infrared reflecting layer is an aluminum foil or a nickel foil.
7. The carbon nanofiber membrane rapid heating electronic cigarette heating tube as claimed in claim 1,
the inner diameter of the hollow tube (10) is 6-15mm, and the wall thickness is 1-3 mm;
the thickness of the insulating layer (30) is 0.1-0.2 mm;
the thickness of the infrared reflecting layer is 10-50 μm.
8. The carbon nanofiber membrane rapid heating electronic cigarette heating pipe as claimed in claim 1, wherein the fixing layer (50) is composed of two symmetrical semicircular arc-shaped glass sheets or ceramic sheets.
9. The carbon nanofiber membrane rapid heating electronic cigarette heating pipe according to claim 8, wherein a fixing piece (51) for fixedly assembling the fixing layer (50) on the infrared reflecting layer is arranged on the fixing layer (50).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011234671.6A CN112205682A (en) | 2020-11-07 | 2020-11-07 | Carbon nanofiber membrane rapid heating electronic cigarette heating pipe |
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| CN202011234671.6A CN112205682A (en) | 2020-11-07 | 2020-11-07 | Carbon nanofiber membrane rapid heating electronic cigarette heating pipe |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112898812A (en) * | 2021-02-05 | 2021-06-04 | 东莞市中科智恒新材料有限公司 | Far infrared quartz tube applied to electronic cigarette heater and preparation method thereof |
| CN112890300A (en) * | 2021-02-05 | 2021-06-04 | 东莞市中科智恒新材料有限公司 | Far infrared quartz tube applied to low-temperature non-combustible electronic cigarette atomizer and preparation method thereof |
| CN113397228A (en) * | 2021-07-07 | 2021-09-17 | 株洲利德英可电子科技有限公司 | Electronic cigarette heating pipe, manufacturing method thereof and electronic cigarette |
| CN113424998A (en) * | 2021-07-23 | 2021-09-24 | 张立强 | Electric heater and electron cigarette |
| WO2022088681A1 (en) * | 2020-10-30 | 2022-05-05 | 深圳市基克纳科技有限公司 | Heating element and atomization device |
| WO2022166336A1 (en) * | 2021-02-02 | 2022-08-11 | 深圳麦克韦尔科技有限公司 | Tubular heating body and aerosol generation device |
| WO2022179538A1 (en) * | 2021-02-26 | 2022-09-01 | 深圳麦克韦尔科技有限公司 | Atomizer and electronic atomizing device |
| WO2023023963A1 (en) * | 2021-08-25 | 2023-03-02 | 深圳市凯宝科技有限公司 | Heating device for electronic cigarette |
| WO2023155518A1 (en) * | 2022-02-17 | 2023-08-24 | 海南摩尔兄弟科技有限公司 | Heating element and electronic atomization device |
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2020
- 2020-11-07 CN CN202011234671.6A patent/CN112205682A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022088681A1 (en) * | 2020-10-30 | 2022-05-05 | 深圳市基克纳科技有限公司 | Heating element and atomization device |
| WO2022166336A1 (en) * | 2021-02-02 | 2022-08-11 | 深圳麦克韦尔科技有限公司 | Tubular heating body and aerosol generation device |
| CN112898812A (en) * | 2021-02-05 | 2021-06-04 | 东莞市中科智恒新材料有限公司 | Far infrared quartz tube applied to electronic cigarette heater and preparation method thereof |
| CN112890300A (en) * | 2021-02-05 | 2021-06-04 | 东莞市中科智恒新材料有限公司 | Far infrared quartz tube applied to low-temperature non-combustible electronic cigarette atomizer and preparation method thereof |
| WO2022179538A1 (en) * | 2021-02-26 | 2022-09-01 | 深圳麦克韦尔科技有限公司 | Atomizer and electronic atomizing device |
| CN113397228A (en) * | 2021-07-07 | 2021-09-17 | 株洲利德英可电子科技有限公司 | Electronic cigarette heating pipe, manufacturing method thereof and electronic cigarette |
| CN113424998A (en) * | 2021-07-23 | 2021-09-24 | 张立强 | Electric heater and electron cigarette |
| WO2023023963A1 (en) * | 2021-08-25 | 2023-03-02 | 深圳市凯宝科技有限公司 | Heating device for electronic cigarette |
| WO2023155518A1 (en) * | 2022-02-17 | 2023-08-24 | 海南摩尔兄弟科技有限公司 | Heating element and electronic atomization device |
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