CN110617383A - Heat insulation pipe and non-combustible smoking set using same - Google Patents
Heat insulation pipe and non-combustible smoking set using same Download PDFInfo
- Publication number
- CN110617383A CN110617383A CN201810631451.3A CN201810631451A CN110617383A CN 110617383 A CN110617383 A CN 110617383A CN 201810631451 A CN201810631451 A CN 201810631451A CN 110617383 A CN110617383 A CN 110617383A
- Authority
- CN
- China
- Prior art keywords
- heat insulation
- interlayer
- wall
- pipe
- thin wall
- 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.)
- Pending
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 84
- 230000000391 smoking effect Effects 0.000 title claims abstract description 30
- 239000011229 interlayer Substances 0.000 claims abstract description 60
- 239000010410 layer Substances 0.000 claims abstract description 27
- 239000004964 aerogel Substances 0.000 claims abstract description 23
- 239000011261 inert gas Substances 0.000 claims abstract description 14
- 238000002485 combustion reaction Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 239000011888 foil Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000843 powder Substances 0.000 abstract description 5
- 238000007731 hot pressing Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003571 electronic cigarette Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/07—Arrangements using an air layer or vacuum the air layer being enclosed by one or more layers of insulation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a heat insulation pipe and a non-combustible smoking set applied by the same, wherein the pipe wall of the heat insulation pipe is provided with at least one hollow interlayer, the interlayer is surrounded by an inner tubular thin wall and an outer tubular thin wall, two ends of the inner thin wall and the outer thin wall of the same interlayer are integrally connected to realize the sealing of the interlayer, vacuum or filled inert gas with pressure less than external pressure is arranged in the interlayer, and an aerogel layer is arranged in at least one interlayer. The non-combustion smoking set adopts the heat insulation pipe of the invention as a heat insulation component, the inner cavity of the heat insulation pipe corresponds to the heating cavity of the non-combustion smoking set, the smokeable material in the smoking set is heated, and the heat in the smoking set is isolated by the heat insulation pipe. The aerogel heat insulation piece adopts the combined heat insulation structure of the hollow heat insulation interlayer and the aerogel, has better heat insulation effect, is protected by the thin wall of the interlayer, is not easy to fall off or fall off powder, and well solves the problem of powder falling of the traditional aerogel heat insulation piece.
Description
Technical Field
The invention belongs to the field of non-combustible smoking set, and particularly relates to a heat insulation structure and a non-combustible smoking set using the same.
Background
The using temperature of the heating non-combustible smoking set is usually between 220 ℃ and 300 ℃, and the surface temperature of the smoking set is higher when the product is used because the product is pursued to be mini. People often solve the problem by selecting materials with lower heat conductivity coefficients and designing heat insulation structures with better heat insulation effects.
The heat insulation structure commonly used at present comprises a vacuum heat insulation pipe, the inner cavity of the heat insulation pipe with a vacuum jacket is used as a heating cavity of a non-burning smoking set, the problem of outward transmission of heat in the heating cavity is solved by utilizing the characteristic of low vacuum heat conductivity coefficient, however, the heat insulation pipe of the vacuum structure can not form vacuum spaces at two ends of a pipe body due to the connection processing technology of an inner sleeve and an outer sleeve, so that heat is gathered at the two ends, and the heat insulation performance of the heat insulation pipe is reduced.
Disclosure of Invention
The technical problem solved by the invention is as follows: aiming at the defects of the existing vacuum heat insulation pipe of the electronic cigarette, a novel heat insulation pipe and a non-combustible smoking set applying the heat insulation pipe are provided.
The invention is realized by adopting the following technical scheme:
the heat insulation pipe is characterized in that the pipe wall of the heat insulation pipe is provided with at least one hollow interlayer, the interlayer is formed by enclosing an inner tubular thin wall and an outer tubular thin wall, two ends of the inner thin wall and the outer thin wall of the same interlayer are integrally connected to realize the sealing of the interlayer, and an aerogel layer is arranged in at least one interlayer.
Further, the interior of the interlayer is provided with a vacuum smaller than the external pressure or filled with inert gas.
Furthermore, two ends of the inner thin wall and the outer thin wall of the interlayer are integrated into a whole through welding, hot pressing and rolling pressing in a vacuum environment or an inert gas atmosphere environment.
Furthermore, the same end of the thin walls of all the interlayer is pressed at the same joint part.
In the heat insulating pipe of the present invention, the thickness of the thin wall is 0.1 to 1 mm.
Preferably, the thin wall is a metal foil.
Preferably, the thin wall is a hard plastic thin wall.
Further preferably, the thin wall is a PI film, a PEEK film, or a compression molded teflon film.
The invention also discloses a non-combustible smoking set applying the heat insulation pipe, wherein the heat insulation pipe is adopted as a heat insulation component, the inner cavity of the heat insulation pipe corresponds to the heating cavity of the non-combustible smoking set, the smokeable material in the smoking set is heated, and the heat inside the smoking set is isolated by the heat insulation pipe.
The heat insulation pipe of the invention is different from the traditional vacuum pipe, and the pipe diameter and the length of the traditional vacuum pipe need to be in a certain proportion to have the heat insulation effect. The heat insulation pipe seals the aerogel layer in a heat insulation hollow jacket, so that the problem of powder falling of the traditional aerogel is solved, and the defect of high temperature at two ends of the vacuum pipe is overcome.
In addition, the interlayer thin wall of the heat insulation pipe can be thin enough to be 0.1mm, so that the whole pipe wall of the heat insulation pipe is thin enough, and the heat insulation requirements of tiny spaces and special-shaped pieces in the non-combustible smoking set are met.
Therefore, the invention has the following beneficial effects:
1. the whole heat insulation pipe realizes at least one heat insulation hollow area, and a heat insulation space formed by vacuum or inert gas is utilized, so that the heat insulation effect is better;
2. the aerogel layer is protected by the thin wall of the interlayer, so that the aerogel layer is not easy to fall off or fall off powder, and the problem of powder falling of the traditional aerogel heat insulation part is well solved.
3. The heat insulation pipe is provided with the aerogel layer in the hollow empty area, so that compared with an independent vacuum pipe, the temperature at two ends of the heat insulation pipe is effectively reduced, and the heat insulation effect is better.
The invention is further described with reference to the following figures and detailed description.
Drawings
FIG. 1 is a schematic cross-sectional view of an insulated pipe according to a first embodiment.
FIG. 2 is a schematic sectional view of an insulating tube according to a second embodiment.
Fig. 3 is a sectional view taken along the direction a in fig. 2, specifically, a schematic sectional view of a plurality of interlayers in the second embodiment.
FIG. 4 is a partial schematic view of the end joining portion of the heat insulating pipe according to the second embodiment.
Reference numbers in the figures: 1-heat insulation pipe, 11-inner wall, 12-aerogel layer, 13-outer wall, 14-joint, 15-inner layer inner wall, 16-inner layer outer wall; 100-heating lumen, 101-first interlayer, 102-second interlayer, 103-third interlayer, 104-fourth interlayer.
Detailed Description
Example one
Referring to figure 1, an insulated pipe 1 is shown as a preferred embodiment of the invention, the insulated pipe 1 being used to insulate the smoking article housing from heat generated during heating of the smokable material without burning the smoking article. The heat insulation pipe 1 surrounds the heating cavity for holding the smokeable material in the smoking set, the inner cavity of the heat insulation pipe 1 can also be directly used as the heating inner cavity 100 for the smokeable material in the smoking set, and the heat in the heating inner cavity 100 is greatly prevented from being directly diffused to the periphery through the heat insulation structure of the pipe wall of the heat insulation pipe 1.
Specifically, the wall of the heat insulation pipe 1 is formed by two tubular thin walls, namely an inner wall 11 and an outer wall 13, wherein the inner wall forms the inner wall of the pipe cavity of the heat insulation pipe 1, the outer wall 13 forms the outer wall of the pipe body of the heat insulation pipe 1, the inner wall 11 and the outer wall 13 are integrally connected at the joint parts 14 at the two ends, and the annular space between the inner wall 11 and the outer wall 13 is sealed to form a first interlayer 101, so that the wall of the heat insulation pipe 1 has a hollow heat insulation interlayer structure.
In order to improve the heat insulation effect of the hollow heat insulation structure of the heat insulation pipe 1, in this embodiment, the internal pressure of the first interlayer 101 is set to be a vacuum smaller than the external pressure, or inert gas with better heat insulation effect is filled in the first interlayer 101, and the inner wall 11 and the outer wall 13 are made of hard thin-wall pipes, and can bear a certain vacuum negative pressure without deformation.
The inner wall 11 and the outer wall 13 can both use a hard plastic film with a thickness of 0.1-1mm, if the interior of the first interlayer 101 is set to be vacuum, the inner wall 11 and the outer wall 13 can be directly pressed into the joint 14 at two ends of the inner wall 11 and the outer wall 13 by a hot pressing or rolling process under a vacuum environment, so that the first interlayer 101 between the inner wall 11 and the outer wall 13 forms a vacuum interlayer. The vacuum degree inside the first interlayer 101 is adjusted according to the thickness and material of the inner wall 11 and the outer wall 13, so as to ensure that the inner wall 11 and the outer wall 13 are not deformed due to the negative pressure of the first interlayer 101.
If the interior of the first interlayer 101 is filled with the inert gas, the inner wall 11 and the outer wall 13 may be directly pressed into the joint 14 at two ends of the inner wall 11 and the outer wall 13 by a hot pressing or rolling process under the atmosphere of the corresponding inert gas, so that the interior of the first interlayer 101 between the inner wall 11 and the outer wall 13 is filled with the inert gas.
The heat insulation pipe of this embodiment has guaranteed the direct forming of the thermal-insulated intermediate layer of heat insulation pipe 1 through direct machine-shaping under vacuum environment or inert gas atmosphere environment, has good gas tightness to processing convenient and fast, low in production cost.
The inner wall 11 and the outer wall 13 of the hard plastic film can adopt PI films, PEEK films or compression-molded Teflon films.
In addition, in practical application, a metal foil such as an aluminum foil or a copper foil with a thickness of 0.1-1mm can be used as the material of the inner wall 11 and the outer wall 13, the metal foil is rolled into a tubular shape, and then the two ends of the inner wall 11 and the outer wall 13 are welded and fixed into a whole according to the processing requirements to form the hollow first interlayer 101.
The inside conduction along inner wall 11 that produces of the inner chamber 100 that generates heat of insulating tube 1, vacuum interlayer between inner wall 11 and the outer wall 12 has isolated most of heat and has directly conducted on outer wall 12 along the cross section of insulating tube 1 through inner wall 11, and the heat is conducted to both ends along the axial of insulating tube 1, and the opening part temperature at the flue both ends of smoking set is high like this, and smoking set shell bulk temperature is low, and smoking set is being held to hand during the use, can not scald one's hand.
In the present embodiment, in order to further improve the heat insulation effect of the heat insulation pipe 1, a vacuum or inert gas is filled in the first interlayer 101, and a layer of aerogel layer 12 is further provided, and the aerogel layer 12 is distributed along the annular space of the first interlayer 101 to surround the heating cavity 100 of the heat insulation pipe 1, so that the heat insulation effect of the heating cavity 100 of the heat insulation pipe 1 is maximally ensured by the double heat insulation method of the hollow heat insulation structure of the first interlayer 101 and the aerogel material. And the aerogel layer 12 is distributed inside the first interlayer 101, and the inner wall 11 and the outer wall 13 serve as aerogel supporting members, which also prevents the aerogel particles from scattering after a period of use.
The aerogel layer 12 can be directly placed in the annular space between the inner wall 11 and the outer wall 13 in the process of pressing and connecting the inner wall 11 and the outer wall 13, and the aerogel layer 12 is directly encapsulated in the first interlayer 101 after the inner wall 11 and the outer wall 13 are pressed into a whole.
Example two
Referring to fig. 2, the heat insulation pipe 1 in the figure is another preferred scheme of the present invention, in this embodiment, on the basis of the first embodiment, an inner layer inner wall 15 and an inner layer outer wall 16 are further arranged in the interlayer between the inner wall 11 and the outer wall 13, so that the pipe wall of the heat insulation pipe 1 has three layers of annular hollow interlayers, wherein a second interlayer 102 is formed between the inner wall 11 and the inner layer inner wall 15, a third interlayer 103 is formed between the inner layer inner wall 15 and the inner layer outer wall 16, a fourth interlayer 104 is formed between the inner layer outer wall 16 and the outer wall 13, and the three layers of interlayers are internally provided with vacuum or filled with inert gas in the manner described in the first embodiment, so as to realize the heat insulation structure of the multiple layers of hollow interlayers.
Referring to fig. 3 in combination, in the present embodiment, aerogel layers 12 are respectively disposed in the second interlayer 102 and the fourth interlayer 104 close to the inner wall and the outer wall of the heat insulation pipe 1, and a hollow heat insulation structure is maintained in the third interlayer 103 in the middle, so that the combination of vacuum/inert gas filling and aerogel structure is realized through multiple interlayers, thereby improving the heat insulation effect of the heat insulation pipe 1.
Referring to fig. 4, the inner wall 15 and the inner wall 16 are made of the same material as the inner wall 11 and the outer wall 13, and the thin walls at the two ends of all the interlayers are pressed at the same end at the same joint 14, so that the hollow heat insulation structure is prevented from being weakened due to the dispersion of a plurality of joint parts.
The heat insulation pipe 1 in the first embodiment and the second embodiment can be used as a heat insulation component of the heating cavity in a non-combustion smoking set, the heat insulation pipe 1 is sleeved on the periphery of the heating cavity of the non-combustion smoking set, heat generated by the smokeable material in the heating cavity in the heating process can only flow along the axial direction of the heat insulation pipe 1, and the situation that the smoking set shell is hot due to the fact that the heat is radiated to the periphery is effectively avoided.
The above is only a specific embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. Thermal-insulated pipe, its characterized in that: the pipe wall of the heat insulation pipe is provided with at least one hollow interlayer, the interlayer is formed by enclosing an inner tubular thin wall and an outer tubular thin wall, two ends of the inner thin wall and the outer thin wall of the same interlayer are integrally connected to realize the sealing of the interlayer, and an aerogel layer is arranged in at least one interlayer.
2. The insulated pipe of claim 1, wherein the interlayer is internally provided with a vacuum less than an external pressure or filled with an inert gas.
3. The heat insulation pipe according to claim 2, wherein the two thin walls of the interlayer are welded, hot pressed or rolled into a whole at two ends in a vacuum environment or an inert gas atmosphere.
4. The insulated pipe of claim 3 wherein the thin walls of all the sandwich layers are laminated at the same end to the same joint.
5. The insulated pipe of any of claims 1-4, wherein the thin wall has a thickness of 0.1-1 mm.
6. The insulated pipe of claim 5, wherein the thin wall is a metal foil.
7. The insulated pipe of claim 5, said thin wall being a rigid plastic thin wall.
8. The insulated pipe of claim 7, wherein the thin wall is a PI film, a PEEK film, or a compression molded Teflon film.
9. The non-combustion smoking set is characterized in that: the use of the heat insulating tube according to claims 1 to 8 as a heat insulating member, the heat insulating tube having an inner cavity corresponding to a heat generating cavity of a non-combustion smoking set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810631451.3A CN110617383A (en) | 2018-06-19 | 2018-06-19 | Heat insulation pipe and non-combustible smoking set using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810631451.3A CN110617383A (en) | 2018-06-19 | 2018-06-19 | Heat insulation pipe and non-combustible smoking set using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110617383A true CN110617383A (en) | 2019-12-27 |
Family
ID=68920371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810631451.3A Pending CN110617383A (en) | 2018-06-19 | 2018-06-19 | Heat insulation pipe and non-combustible smoking set using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110617383A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113142669A (en) * | 2021-05-21 | 2021-07-23 | 浙江大学 | Low-temperature cigarette smoking set heat insulation pipe |
| CN113775857A (en) * | 2021-09-23 | 2021-12-10 | 浙江大学 | Multilayer composite polyether-ether-ketone pipe |
| GB2599083A (en) * | 2020-09-14 | 2022-03-30 | Nicoventures Trading Ltd | Aerosol generation system |
| GB2599084A (en) * | 2020-09-14 | 2022-03-30 | Nicoventures Trading Ltd | Aerosol generation system |
| WO2022095899A1 (en) * | 2020-11-03 | 2022-05-12 | 深圳市合元科技有限公司 | Aerosol generating device |
| CN114468364A (en) * | 2020-11-12 | 2022-05-13 | 贵州中烟工业有限责任公司 | Composite heat insulation pipe, heat insulation assembly and low-temperature smoke heating device |
| CN114947203A (en) * | 2021-02-25 | 2022-08-30 | 湖南中烟工业有限责任公司 | Double-layer vacuum heat insulation pipe and baking smoking set using same |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2599083A (en) * | 2020-09-14 | 2022-03-30 | Nicoventures Trading Ltd | Aerosol generation system |
| GB2599084A (en) * | 2020-09-14 | 2022-03-30 | Nicoventures Trading Ltd | Aerosol generation system |
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| CN114947203A (en) * | 2021-02-25 | 2022-08-30 | 湖南中烟工业有限责任公司 | Double-layer vacuum heat insulation pipe and baking smoking set using same |
| CN114947203B (en) * | 2021-02-25 | 2024-05-17 | 湖南中烟工业有限责任公司 | Double-layer vacuum heat-insulating pipe and baking smoking set using same |
| CN113142669A (en) * | 2021-05-21 | 2021-07-23 | 浙江大学 | Low-temperature cigarette smoking set heat insulation pipe |
| CN113775857A (en) * | 2021-09-23 | 2021-12-10 | 浙江大学 | Multilayer composite polyether-ether-ketone pipe |
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