CN114424841A - Smoking set shell heat abstractor based on gas-liquid phase transition - Google Patents
Smoking set shell heat abstractor based on gas-liquid phase transition Download PDFInfo
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- CN114424841A CN114424841A CN202210171862.5A CN202210171862A CN114424841A CN 114424841 A CN114424841 A CN 114424841A CN 202210171862 A CN202210171862 A CN 202210171862A CN 114424841 A CN114424841 A CN 114424841A
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- 230000000391 smoking effect Effects 0.000 title claims abstract description 48
- 239000007791 liquid phase Substances 0.000 title claims abstract description 21
- 230000007704 transition Effects 0.000 title description 2
- 239000000017 hydrogel Substances 0.000 claims abstract description 81
- 238000010438 heat treatment Methods 0.000 claims abstract description 56
- 230000008859 change Effects 0.000 claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 229920000083 poly(allylamine) Polymers 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 11
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 8
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
- 241000208125 Nicotiana Species 0.000 description 7
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 7
- 235000019504 cigarettes Nutrition 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- A24F40/50—Control or monitoring
- A24F40/57—Temperature control
Abstract
The invention discloses a smoking set shell heat dissipation device based on gas-liquid phase change, which comprises an air suction pipeline and hydrogel, wherein the air suction pipeline is positioned between the outer pipe wall and the annular wall of a heating cavity, and air in the external environment can exchange air flow with the inner cavity of the heating cavity through the air suction pipeline; the hydrogel is arranged in the air suction pipeline, so that the hydrogel can absorb external heat to evaporate self moisture of the hydrogel when the temperature of the environment where the hydrogel is located is increased, and the temperature of the outer pipe wall is reduced. The invention adopts a gas-liquid phase change heat dissipation technology, and the temperature of the smoking set shell is quickly reduced by using the temperature sensitive hydrogel on the inner wall of the smoking set shell in the using process.
Description
Technical Field
The invention relates to the technical field of smoking set heat dissipation, in particular to a smoking set shell heat dissipation device based on gas-liquid phase change.
Background
The traditional burning type cigarette can generate harmful substances such as tar, carbon monoxide and the like, and the harmful substances are easy to be inhaled into the body of a consumer when the consumer smokes, so that the physical health of the consumer is threatened. If the temperature of the cigarette is reduced to below 400 ℃, namely the cigarette is heated and does not burn, a plurality of harmful components in the smoke can be greatly reduced, the influence on nicotine and flavor components is relatively small, and some flavor components can even be increased due to reduction of pyrolysis. For a system for heating non-combustible cigarettes, the heating temperature of tobacco is generally controlled to be 200-400 ℃, and the wall surface close to the needle-shaped heating wire sometimes reaches 70-80 ℃, which seriously influences the use experience of users, so the temperature control of the wall surface is very important.
At present, the research of the cooling technology of the smoking set shell mainly focuses on the structure, the gas circuit and the like of the smoking set, and the structure of the smoking set is improved, so that the heat conduction path is changed, and the effect of reducing the shell temperature is finally achieved. The smoking set has small volume and complex heat transfer path, and the cooling effect of the simple change structure and the gas circuit is not obvious.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a smoking set shell heat dissipation device based on gas-liquid phase change.
The technical scheme for solving the problems is that the smoking set shell heat dissipation device based on gas-liquid phase change comprises an air suction pipeline and hydrogel, wherein the air suction pipeline is positioned between the outer pipe wall and the annular wall of a heating cavity, and air in the external environment can exchange air flow with the inner cavity of the heating cavity through the air suction pipeline; the hydrogel is arranged in the air suction pipeline, so that the hydrogel can absorb external heat to evaporate self moisture of the hydrogel when the temperature of the environment where the hydrogel is located is increased, and the temperature of the outer pipe wall is reduced.
Further, the hydrogel is Li-PAAm hydrogel obtained by carrying out ion modification on PAAm hydrogel by LiBr solution; the hydrogel is in a solid state throughout the water absorption/release process.
Further, the contact surface between the hydrogel and the air in the air suction pipe is wavy, so that the contact area between the hydrogel and the air in the air suction pipe is increased.
Further, the hydrogel is attached to the inner circumferential wall of the outer tubular wall.
Further, an air flow gap is reserved between the hydrogel and the heating cavity.
Further, still include the chassis, the chassis is transversely arranged in the inside of outer pipe wall, the pipeline of breathing in, the lower part in heating chamber is sealed by the chassis, the lower extreme of aquogel extends to above the chassis.
Furthermore, an air inlet hole is formed in the bottom of the annular wall of the heating cavity, so that the air suction pipeline can be communicated with the heating cavity.
Furthermore, the air inlet hole is an inclined conical hole, and a thin opening of the conical hole is positioned on one side of the inner cavity of the heating cavity; a plurality of the air inlet holes are annularly distributed at the bottom of the annular wall of the heating cavity.
Furthermore, the upper end of the air suction pipeline is flush with the wall of the outer pipe and the heating cavity and is sealed through a ring baffle, and the ring baffle is provided with air holes.
Further, the air holes are obliquely arranged; the air holes are annularly distributed on the ring baffle.
The invention has the beneficial effects that:
the invention relates to a smoking set shell heat dissipation device based on gas-liquid phase change, which effectively fixes moisture through temperature sensitive hydrogel and realizes rapid cooling of a smoking set shell. The hydrogel is arranged by attaching to the gas circuit structure, so that the hydrogel can be suitable for various heating components.
The phase-change material is green and pollution-free, the steady-state gravity of the hydrogel is basically consistent with the required evaporation/regeneration time in the evaporation-water absorption circulation process, and the phase-change material has excellent repeatable performance.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
FIG. 1 is a schematic diagram of a smoking set housing heat sink device based on gas-liquid phase change according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an extended hydrogel deployment according to an embodiment of the present invention;
FIG. 3 is a graph showing the operation of hydrogel in releasing heat and absorbing water at low temperature according to an embodiment of the present invention;
FIG. 4 is a graph showing the comparative effect of the temperature of the smoking set housing provided by the embodiment of the invention;
FIG. 5 is a first embodiment of a heating element of a smoking set housing heat sink based on gas-liquid phase change according to an embodiment of the present invention;
FIG. 6 is a second embodiment of a heating element of a smoking set housing heat sink based on gas-liquid phase change according to an embodiment of the present invention;
FIG. 7 shows a third embodiment of the heating element of the smoking set housing heat sink based on gas-liquid phase change according to the embodiment of the invention.
In the figure: 1. a filter section; 2. a hollow section; 3. a heating assembly; 4. an air intake duct; 5. a tobacco section; 6. a hydrogel; 7. an outer tube wall; 8. a chassis; 9. a heating cavity; 41. air holes; 42. and (4) air inlet holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the heating process of tobacco, the heating assembly 3 and the bottom frame 8 are in a contact and connection state, so that heat on the heating assembly 3 can be transferred to the outer pipe wall 7 through the bottom frame 8, the temperature on the outer pipe wall 7 is increased, and the use experience of a user is influenced.
Further, air between the outer tube wall 7 of the smoking article and the heating chamber 9 cannot flow or the flow efficiency is too low, and heat is transferred to the outer tube wall 7, thereby raising the temperature of the outer tube wall 7.
In order to solve the above problems, the present invention provides a smoking set housing heat dissipation device based on gas-liquid phase transition, please refer to fig. 1, fig. 2, fig. 3, and fig. 4, which mainly includes an air suction pipe 4 and a hydrogel 6, wherein the air suction pipe 4 is located between an outer pipe wall 7 and an annular wall of a heating cavity 9, and air in an external environment can exchange air flow with an inner cavity of the heating cavity 9 through the air suction pipe 4; the hydrogel 6 is placed in the suction duct 4 so that the hydrogel 6 absorbs external heat to evaporate the water of the hydrogel 6 itself when the temperature of the environment in which the hydrogel 6 is located increases, thereby lowering the temperature of the outer tube wall 7.
The heat dissipation device is designed according to the air path flow path of the smoking set, the air suction pipeline 4 is preset between the outer pipe wall 7 and the annular wall of the heating cavity 9, the hydrogel 6 is arranged on the air suction pipeline 4 in an attaching mode aiming at the side wall needing to be cooled, and the corresponding side wall is cooled through water discharging/absorbing displayed when the temperature of the hydrogel 6 rises/falls.
Specifically, the hydrogel 6 can be a polymer network material with high water content, can effectively realize water absorption and water drainage, has a high swelling ratio, and has the advantages of low cost, easy industrialization and the like. In the whole process of water absorption and water discharge, PAAm is in a solid state, so that the packaging and molding can be conveniently carried out on the inner side of the outer pipe wall 7 of the smoking set.
Furthermore, the Li-PAAm hydrogel obtained by carrying out ion modification on the PAAm hydrogel by using the LiBr solution can keep the dynamic balance of the water content under the suitable environmental condition, and also has the function of spontaneous water absorption and regeneration.
The basic principle is as follows: when the temperature of the Li-PAAm hydrogel rises, the material can be subjected to sweating and cooling, namely, the water in the material can be evaporated, so that a large amount of heat can be taken away to maintain the surface temperature of the material to be in a lower state all the time; when the temperature of the Li-PAAm hydrogel is lowered, most of water in the Li-PAAm hydrogel is evaporated, the concentration of LiBr is higher, the corresponding vapor pressure is lower than the ambient vapor pressure, and therefore water molecules in the environment can spontaneously enter the Li-PAAm hydrogel and exist in the material in a liquid state until the Li-PAAm hydrogel returns to the initial state.
It is understood that the water absorption and discharge of the present invention are directed to water, and the basic form of water upon water absorption and discharge is gaseous.
In the embodiment of the invention in which the aspiration channel 4 is located between the outer tube wall 7 and the heating chamber 9, the hydrogel 6 is preferably attached to the inner circumferential wall of the outer tube wall 7. When the smoking set is in the heating process, the temperature of the outer tube wall 7 rises, and then the moisture in the hydrogel 6 is quickly evaporated to take away the heat of the outer tube wall 7. On the other hand, during the suction process, the external air flows through the surface of the hydrogel 6 through the air suction pipe 4, and the heat dissipation efficiency of the outer pipe wall 7 can be effectively enhanced through forced convection. Under the combined action of the two aspects, the temperature of the outer tube wall 7 can be effectively reduced.
In the practical application process, in order to ensure that the hydrogel 6 can work continuously instead of a disposable cooling material, the evaporation and regeneration performance of the hydrogel 6 is basically tested, so that the evaporation and regeneration of the material adopted by the hydrogel 6 have good repeatability. Specifically, the steady-state weight of the hydrogel 6 is taken as a parameter, and multiple cycle tests are carried out to obtain the heat dissipation water release and low temperature water absorption working curves (repeated for four times) of the hydrogel 6 shown in fig. 3.
It is clear that the steady state weight of hydrogel 6 during the four evaporation-water absorption cycles was substantially consistent with the desired evaporation/regeneration time, and the time required for evaporation and regeneration was substantially consistent, indicating excellent reproducible performance of the Li-PAAm hydrogel material.
Further, depending on the structural fit between the outer tube wall 7 and the chassis 8 of the actual smoking article, the lower end of the hydrogel 6 may extend above the chassis 8, as shown in fig. 2.
Further, ion doping of the hydrogel 6 may also be performed using other salt solutions, such as CaCl2, LiCl and NaBr solutions. The concentration of the salt solution can be from 30% to 80% depending on the actual design of the outer tube wall 7 and the heat dissipation requirements.
Furthermore, the hydrogel 6 is a material with extremely high compatibility, and essence and spice for cigarettes can be doped/loaded/attached in the hydrogel 6, so that the smoking taste of the cigarettes is improved.
In the examples of the present invention, the practical application of the hydrogel 6 was tested by applying the hydrogel 6 to the inner wall of a needle-heated smoking article, as shown in fig. 1, the hydrogel 6 being attached in the form of a patch to the inner wall of the outer tube wall 7. Wherein the smoking article comprises a filter tip section 1, a hollow section 2 and a tobacco section 5, and the form of the heating component 3 is a heating needle. In practice, reference is made to FIG. 5.
When the smoking set is normally used and the temperature of the outer shell of the smoking set is detected, the temperature change curve of the outer shell of the smoking set in the working period is shown in figure 4, and the temperature of the outer shell is generally reduced by 4 ℃.
Furthermore, the purpose of increasing the heat dissipation effect can be achieved by means of increasing the amount of the hydrogel 6, optimizing the basic distribution structure of the hydrogel and the like.
In an embodiment of the invention, the surface of the hydrogel 6 attached to the inner side of the outer tube wall 7 may be arranged in a wavy shape to enlarge the contact area between the air in the remaining suction ducts 4 and to optimize the evaporation/absorption of moisture.
Referring to figure 5, wherein a tobacco segment 5 of a smoking article is inserted into the heating chamber 9, the tobacco segment 5 is engaged with a heating needle (heating assembly 3). The hydrogel 6 is attached to the inner circumferential wall of the outer tubular wall 7. The suction pipeline 4 is arranged between the outer pipe wall 7 and the annular wall of the heating cavity 9.
The upper end of the air suction pipeline 4 is flush with the outer pipe wall 7 and the heating cavity 9 and is closed by a ring baffle; the lower end of the air suction pipeline 4 is blocked by a bottom frame 8. The bottom frame 8 is horizontally arranged inside the outer tube wall 7, and the lower ports of the heating cavity 9 are all sealed by the bottom frame 8.
Further, the heating chamber 9 can be communicated with the air in the external environment through the air suction duct 4 to realize the air flow exchange. Specifically, the ring baffle may be provided with air holes 41, and the air holes 41 may be obliquely arranged; a plurality of air holes 41 are annularly distributed on the ring baffle; an air inlet hole 42 is formed in the bottom of the annular wall of the heating cavity 9, the air inlet hole 42 is an inclined conical hole, and a thin opening of the conical hole is located on one side of the inner cavity of the heating cavity 9; a plurality of air intake holes 42 are annularly distributed at the bottom of the annular wall of the heating cavity 9.
In the embodiment of the present invention, a certain air flow gap should be reserved between the hydrogel 6 and the heating cavity 9, so that the air flow can smoothly flow. Further, the amount of the adhering substance of the hydrogel 6 can be adaptively adjusted according to smoking sets with different requirements and sizes.
Referring to fig. 6, in the case of the peripheral electrically heated smoking set, the heating element 3 can be embedded in the inner wall of the heating chamber 9. Other configurations may be consistent with needle heated smoking articles.
Referring to fig. 7, the heating element 3 may be a magnetic field generator, and may be used in conjunction with a susceptor built in the tobacco segment 5 of the smoking article; can also be used with a plug-in needle-type sensor; can also be used in combination with peripheral type receptor. The heating component 3 and the hydrogel 6 are positioned in the air suction pipeline 4, so that the relative position relationship between the hydrogel 6 and the magnetic field generator can be optimally designed.
It will be appreciated that the hydrogel 6 simultaneously reduces the temperature of the air entering the smoking article while simultaneously cooling the outer tube wall 7.
In the embodiment of the present invention, besides the main air inlet holes 42, a plurality of micro holes can be disposed on the lower portion of the annular wall of the heating chamber 9 to assist air inlet and ensure the air fluidity.
The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the specific embodiments of the invention be limited to these descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. A smoking set shell heat dissipation device based on gas-liquid phase change is characterized by comprising an air suction pipeline (4) and hydrogel (6), wherein the air suction pipeline (4) is positioned between an outer pipe wall (7) and an annular wall of a heating cavity (9), and air in the external environment can exchange air flow with an inner cavity of the heating cavity (9) through the air suction pipeline (4); the hydrogel (6) is arranged in the air suction pipeline (4) so that the hydrogel (6) can absorb external heat to evaporate self-moisture of the hydrogel (6) when the temperature of the environment where the hydrogel (6) is located is increased, and the temperature of the outer pipe wall (7) is reduced.
2. The smoking set housing heat sink based on gas-liquid phase change of claim 1, wherein the hydrogel (6) is Li-PAAm hydrogel obtained by ion modification of PAAm hydrogel with LiBr solution; the hydrogel (6) is in a solid state throughout the water absorption/release process.
3. A smoking article housing heat sink based on gas-liquid phase change according to claim 1, wherein the contact surface of the hydrogel (6) with the air in the air suction pipe (4) is wavy to increase the contact area between the hydrogel (6) and the air in the air suction pipe (4).
4. A smoking article housing heat sink device based on gas-liquid phase change according to claim 1, wherein the hydrogel (6) is attached to the inner circumferential wall of the outer tubular wall (7).
5. A smoking article housing heat sink based on gas-liquid phase change according to claim 4 wherein an air flow gap is reserved between the hydrogel (6) and the heating cavity (9).
6. A smoking set housing heat sink device based on gas-liquid phase change according to claim 4, further comprising a bottom frame (8), wherein the bottom frame (8) is transversely arranged inside the outer pipe wall (7), the lower parts of the air suction pipe (4) and the heating cavity (9) are both closed by the bottom frame (8), and the lower end of the hydrogel (6) extends above the bottom frame (8).
7. Smoking set housing heat sink device according to claim 1, wherein the bottom of the surrounding wall of the heating chamber (9) is opened with an air inlet hole (42) to allow the air suction pipe (4) to communicate with the heating chamber (9).
8. The smoking set housing heat sink based on gas-liquid phase change of claim 7, wherein the air inlet hole (42) is an inclined conical hole, and the narrow opening of the conical hole is positioned at the inner cavity side of the heating cavity (9); the air inlet holes (42) are annularly distributed at the bottom of the annular wall of the heating cavity (9).
9. Smoking set housing heat sink device according to claim 1, wherein the upper end of the air suction pipe (4) is flush with the outer pipe wall (7) and the heating chamber (9) and is closed by a ring baffle, and the ring baffle is provided with air holes (41).
10. The smoking set housing heat sink device based on gas-liquid phase change of claim 9, wherein the air hole (41) is arranged obliquely; the air holes (41) are annularly distributed on the ring baffle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210171862.5A CN114424841A (en) | 2022-02-24 | 2022-02-24 | Smoking set shell heat abstractor based on gas-liquid phase transition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210171862.5A CN114424841A (en) | 2022-02-24 | 2022-02-24 | Smoking set shell heat abstractor based on gas-liquid phase transition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236604A1 (en) * | 2022-06-07 | 2023-12-14 | 深圳麦克韦尔科技有限公司 | Heat-not-burn electronic atomization device |
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| SHIRUI PU ET AL.: "Promoting Energy Efficiency via a Self-Adaptive Evaporative Cooling Hydrogel", 《ADVANCED MATERIALS》, vol. 32, pages 1 - 7 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236604A1 (en) * | 2022-06-07 | 2023-12-14 | 深圳麦克韦尔科技有限公司 | Heat-not-burn electronic atomization device |
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