CN110638113A - Circumferential heating non-combustion smoking set and heat insulation system of heating assembly thereof - Google Patents
Circumferential heating non-combustion smoking set and heat insulation system of heating assembly thereof Download PDFInfo
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- CN110638113A CN110638113A CN201911031882.7A CN201911031882A CN110638113A CN 110638113 A CN110638113 A CN 110638113A CN 201911031882 A CN201911031882 A CN 201911031882A CN 110638113 A CN110638113 A CN 110638113A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 88
- 238000009413 insulation Methods 0.000 title claims abstract description 69
- 230000000391 smoking effect Effects 0.000 title claims abstract description 33
- 238000002485 combustion reaction Methods 0.000 title claims description 17
- 238000000034 method Methods 0.000 description 8
- 235000019504 cigarettes Nutrition 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- HLQDGCWIOSOMDP-UHFFFAOYSA-N 2,3,4,5-tetrachlorobiphenyl Chemical compound ClC1=C(Cl)C(Cl)=CC(C=2C=CC=CC=2)=C1Cl HLQDGCWIOSOMDP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 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 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The invention discloses a circumferential heating non-combustible smoking set and a heat insulation system of a heating assembly thereof in the technical field of heating smoking sets, the smoking set comprises a heating pipe and a heat insulation pipe, the upper end and the lower end of the heating assembly are respectively fixedly connected with a support member, the upper end and the lower end of the heating pipe and the upper end and the lower end of the heat insulation pipe are respectively in point contact/line contact with the support member, a gap is arranged between the heating pipe and the heat insulation pipe, the heating pipe, the heat insulation pipe and the upper support member and the lower support member are sealed to form a main closed air chamber, the support member is provided with a plurality of transversely distributed support ribs, the support ribs are sleeved in the heat insulation pipe, gaps are reserved between the outer edges of the support ribs and the inner wall of the heat insulation pipe. The invention has the advantages of small heat conduction loss, low heat conduction efficiency, short smoking set preheating time, high energy utilization rate, no temperature rise of the product shell and good experience of users.
Description
Technical Field
The invention relates to the technical field of heating smoking sets, in particular to a non-combustible smoking set heated in the circumferential direction and a heat insulation system of a heating assembly of the non-combustible smoking set.
Background
Along with the rapid development of the heating non-combustion cigarette, the smoking set matched with the heating non-combustion cigarette is applied more and more, the traditional heating non-combustion smoking set can not completely heat and combust cigarettes, and the circumferential heating technology can solve the problem. The existing circumferential heating non-combustion smoking set adopts a heating film to heat a metal pipe, a heating non-combustion cigarette is inserted into the metal pipe and is heated by the peripheral metal pipe, and a vacuum heat insulation pipe is adopted on the outer side of the heating film to prevent heat of the heating film from leaking.
This is caused by the poor heat insulation effect of the heating element. The heat resistance of the whole product is small, and a large amount of heat is dissipated outwards through conduction; moreover, the air in the high-temperature area cannot be sealed, so that the high-temperature air is leaked outwards; meanwhile, no temperature transition region exists between the high-temperature region and the normal-temperature region, and the heat conduction loss is serious.
The above-mentioned drawbacks are worth solving.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a heat insulation system for a smoking set which is circumferentially heated and does not burn and a heating assembly thereof.
The technical scheme of the invention is as follows:
a heat insulation system of a heating component of a circumferential heating non-combustion smoking set comprises a heating pipe and a heat insulation pipe sleeved outside the heating pipe, and is characterized in that the upper end and the lower end of the heating component are respectively fixedly connected with a supporting piece;
the upper end and the lower end of the heating pipe and the upper end and the lower end of the heat insulation pipe are respectively in point contact/line contact with the supporting pieces, a gap is formed between the heating pipe and the heat insulation pipe, and the heating pipe, the heat insulation pipe and the upper and the lower supporting pieces are sealed to form a main sealed air chamber;
the supporting piece is provided with a plurality of supporting ribs which are transversely distributed, the supporting ribs are sleeved in the heat insulation pipe, and gaps are reserved between the outer edges of the supporting ribs and the inner wall of the heat insulation pipe, so that a plurality of supporting closed air chambers are formed between the supporting piece and the inner wall of the heat insulation pipe.
The invention according to the above scheme is characterized in that the outer side of the end part of the heating tube is in point contact with a plurality of first supporting ribs on the inner wall of the supporting member; or the end part of the heating tube is in line contact with the first support on the support.
The invention according to the above aspect is characterized in that the end of the thermal insulation pipe is in point contact with the plurality of second support ribs on the inner wall of the support member; or the end of the heat insulating pipe is in contact with a second support surface line on the support.
The invention according to the above aspect is characterized in that a plurality of support columns are provided at the end or outside of the support member/the heat-generating pipe/the heat-insulating pipe, and the support member/the heat-generating pipe/the heat-insulating pipe is in point contact with an external structural member through the support columns;
the end of the support member/the heating pipe/the heat insulation pipe is provided with a convex external rib, and the support member/the heating pipe/the heat insulation pipe is in line contact with the external structural member through the external rib.
The invention according to the above scheme is characterized in that the support is made of PEEK.
The present invention according to the above aspect is characterized in that both upper and lower ends of the heat insulating tube protrude from both upper and lower ends of the heating tube, so that both upper and lower ends of the heating tube are connected to ends of the supporting members, and the supporting ribs are fitted inside the heat insulating tube.
Further, the length of the heat insulating pipe is at least 6mm longer than that of the heat generating pipe.
The present invention according to the above aspect is characterized in that the heat-insulating pipe includes a heat-insulating inner wall and a heat-insulating outer wall spaced apart from each other, and the length of the heat-insulating inner wall is longer than the length of the heat-insulating outer wall so that the heat-insulating pipe is connected to the support through the heat-insulating inner wall.
The invention according to the above scheme is characterized in that the end part of the support member is provided with a support groove, and the end part of the heating tube extends into the support groove and is connected with the support groove.
The invention according to the above scheme is characterized in that the support member comprises an upper support member and a lower support member, the upper end of the heating component is connected with the housing through the upper support member, and the lower end of the heating component is connected with the housing through the lower support member.
Furthermore, a hollow flue is arranged inside the upper supporting piece, a hollow air duct is arranged inside the lower supporting piece, and the inner diameter of the flue is larger than that of the air duct, so that the width of the supporting rib of the upper supporting piece is smaller than that of the supporting rib of the lower supporting piece.
Furthermore, at least two upper supporting ribs protruding outwards are arranged on the outer side of the lower end of each upper supporting piece, so that at least one upper supporting closed air chamber is formed between each two adjacent upper supporting ribs and the inner wall of the heat insulation pipe.
Furthermore, three upper supporting ribs are arranged on the outer side of the lower end of the upper supporting piece.
Further, at least two lower support ribs protruding outwards are arranged on the outer side of the upper end of the lower support member, so that at least one lower support closed air chamber is formed between each two adjacent lower support ribs and the inner wall of the heat insulation pipe.
Furthermore, three lower support ribs are arranged on the outer side of the upper end of the lower support piece.
The invention according to the above scheme is characterized in that the wall thickness of the heating tube is 0.1-0.2 mm;
and/or the wall thickness of the heat insulation pipe is 0.1-0.2 mm;
and/or the axial wall thickness of the support member is 0.4-1.0 mm;
and/or the width of the gap between the outer edge of the support rib and the inner wall of the thermal insulation pipe is 0.05-0.15 mm.
On the other hand, the circumferential heating non-combustion smoking set comprises a shell and is characterized in that the shell is internally provided with the heat insulation system of the circumferential heating non-combustion smoking set heating assembly.
According to the scheme, the invention has the beneficial effects that most of heat is isolated by the main closed air chamber, and a small part of heat is transited by the plurality of supporting closed air chambers in sequence, so that the heat conduction loss is small; in addition, the heat dissipation positions in the invention are connected in a point contact/line contact mode, so that the thermal resistance is high, and the heat conduction efficiency is reduced. The invention realizes short preheating time and high energy utilization rate of the smoking set, does not cause temperature rise of the shell of the product, and ensures good experience of users.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of a portion C in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 1.
Fig. 5 is an enlarged view of a portion D in fig. 4.
Fig. 6 is a schematic view of point contact between the upper support and the heat generating tube.
Fig. 7 is a schematic view of a line contact between the upper support and the heat generating tube.
Fig. 8 is a schematic view showing a point contact between an upper support and a thermal insulation piping.
Fig. 9 is an enlarged view of point contact between the upper support and the thermal insulation piping.
Fig. 10 is a schematic view showing a line contact between an upper support and an insulated pipe.
Fig. 11 is an enlarged view of the line contact between the upper support and the thermal insulation piping.
Figure 12 is a schematic view of a point contact between the upper support and the external structure.
Figure 13 is a schematic view of point and line contact between the upper support and the external structural member.
Fig. 14 is an air flow diagram of the present invention.
In the figure, 10, the housing; 11. a bottom cover; 12. a partition plate;
20. a heat generating tube; 21. a main closed air chamber;
30. a heat-insulating pipe; 31. a thermally insulating inner wall; 32. an insulated outer wall;
40. an upper support member; 401. an upper support rib; 402. a flue; 4031. a first support rib; 4032. a first support surface; 4041. a second support rib; 4042. a second support surface; 4051. a first support column; 4052. a second support column; 4053. an outer rib; 41. a first upper support airtight gas chamber; 42. a second upper support airtight gas chamber; 43. a third upper support airtight air chamber; 44. an upper support groove;
50. a lower support; 501. a lower support rib; 502. an air duct; 51. a first lower support airtight chamber; 52. a second lower supporting closed air chamber; 53. a third lower supporting closed air chamber; 54. a lower support groove;
61. a PCB board; 62. a battery;
70. and (5) cigarette making.
Detailed Description
The invention is further described with reference to the following figures and embodiments:
as shown in figure 1, the circumferential heating non-combustion smoking set comprises a shell 10, and the bottom of the shell 10 is provided with a bottom cover 11. A partition plate 12 is arranged in the housing 10, and the partition plate 12 divides the space inside the housing 10 into an electric control chamber and a heating chamber. The electronic control bin is internally provided with a PCB (printed circuit board) 61 and a battery 62, and the battery 62 is connected with the PCB 61 and supplies power to the PCB; heating elements are arranged in the heating bin and connected with the PCB 61, and the PCB 61 controls the heating elements to generate heat.
The heating component comprises a heating pipe 20 and a heat insulation pipe 30 sleeved outside the heating pipe 20, the upper end and the lower end of the heating component are fixedly connected with a supporting piece respectively, and the supporting piece is fixed on the outer shell 10 of the circumferential heating non-combustion smoking set or is connected with other external structural parts in the outer shell 10. The support and the fixation of the heating component are realized through the two supporting pieces, and the cigarette 70 can be well limited in the circumferential heating non-combustion smoking set.
In the circumferential heating non-combustion smoking set, the defects of poor air tightness and poor heat insulation effect of the heating non-combustion smoking set are overcome by the heat insulation system of the circumferential heating non-combustion smoking set heating assembly. Specifically, the method comprises the following steps: a gap is arranged between the heating tube 20 and the heat insulation tube 30, the upper end and the lower end of the heating tube 20 and the upper end and the lower end of the heat insulation tube 30 are respectively in point contact/line contact with the supporting pieces, and the heating tube 20, the heat insulation tube 30 and the upper supporting pieces and the lower supporting pieces are sealed to form a main closed air chamber 21. The heat emitted from the outer wall of the heat pipe 20 is confined in the main closed air chamber 21 and does not leak, and the double-layered heat insulation pipe 30 outside the main closed air chamber 21 isolates the internal heat.
In addition, the support is made of high-temperature-resistant plastic (preferably PEEK), so that heat transmitted through the support is sufficiently reduced. In the present embodiment, the support includes an upper support 40 and a lower support 50, an upper end of the heat generating assembly is connected to the housing 10 or the external structural member through the upper support 40, and a lower end of the heat generating assembly is connected to the housing 10 or the external structural member through the lower support 50.
Preferably, the upper and lower ends of the heat-insulating tube 30 protrude from the upper and lower ends of the heat-generating tube 20, so that the upper and lower ends of the heat-generating tube 20 are connected to the ends of the supporting members, and part of the supporting members are sleeved inside the heat-insulating tube 30, so that a plurality of small relatively sealed supporting and sealing air chambers are formed between the inner wall of the heat-insulating tube 30 and the supporting members. In this embodiment, the length of the heat insulating pipe 30 is at least 6mm longer than that of the heat generating pipe 20, and the inner diameter of the heat insulating pipe is more than 2mm larger than the outer diameter of the heat generating pipe 20, so that the space inside the smoking set is sufficiently saved, and the mutual supporting and interference effects among the heat generating pipe 20, the heat insulating pipe 30 and the supporting member can be ensured.
Preferably, the upper support 40 is provided with a hollow flue 402 inside, the lower support 50 is provided with a hollow air duct 502 inside, and the inner diameter of the flue 402 is larger than that of the air duct 502, so that the width of the support ribs of the upper support 40 is smaller than that of the support ribs of the lower support 50. Because the temperature of the lower end of the cigarette 70 is higher than that of the upper end thereof, the dimensions of the upper support ribs 401 and the lower support ribs 501 are designed to conform to the distribution form of heat in the process of smoke circulation.
The end of the supporting member of the present invention is provided with a supporting groove, and the end of the heating tube 20 extends into the supporting groove and is connected with the supporting groove in a contacting manner. The supporting member is provided with a plurality of supporting ribs which are transversely distributed, and a gap is reserved between the outer edges of the supporting ribs and the inner wall of the heat-insulating pipe 30, so that a plurality of supporting closed air chambers are formed between the supporting member and the inner wall of the heat-insulating pipe 30, wherein a supporting closed air chamber is formed between two adjacent supporting ribs and the inner wall of the heat-insulating pipe 30, the position of the supporting member connected with the heat-insulating pipe 30 and the supporting rib adjacent to the connecting position form another supporting closed air chamber. Specifically, the method comprises the following steps:
as shown in fig. 1 and 2, at least two upper support ribs 401 are provided on the outer side of the lower end of the upper support 40 to protrude outward, so that at least one upper support closed air chamber is formed between the adjacent two upper support ribs 401 and the inner wall of the thermal insulation piping 30.
In this embodiment, three thin-walled upper support ribs 401 are provided on the outer side of the lower end of the upper support 40. Extending from bottom to top: a first upper support airtight chamber 41 is formed by sealing between the first upper support rib 401 and the second upper support rib 401 and the inner wall of the heat insulation pipe 30; a second upper support airtight air chamber 42 is formed by sealing between the second upper support rib 401 and the third upper support rib 401 and the inner wall of the heat insulation pipe 30; the third upper support rib 401, the position contacting the top end of the heat-insulating pipe 30, and the inner wall of the heat-insulating pipe 30 are sealed to form a third upper support airtight chamber 43. Each upper support closed air chamber is used for isolating air, so that the air can only convect in each upper support closed air chamber, the heat of the high-temperature area can only be conducted out through the upper support closed air chamber, the temperature is gradually reduced from the second upper support closed air chamber 42, and the heat leakage is greatly reduced.
In this embodiment, the upper supporter 40 is provided with an upper supporting groove 44 at the lower end opening of the flue 402, and the upper end of the heat generating pipe 20 extends upward into the upper supporting groove 44. Since the wall of the heat generating tube 20 is thin, the contact surface with the upper supporting groove 44 is very small, so that the thermal resistance becomes large, further reducing the heat conducted to the upper supporting member 40.
As shown in fig. 1 and 4, at least two lower support ribs 501 protruding outward are provided on the outer side of the upper end of the lower support 50, so that at least one lower support closed air chamber is formed between two adjacent lower support ribs 501 and the inner wall of the thermal insulation piping 30.
In this embodiment, three thin-walled lower support ribs 501 are provided on the outer side of the upper end of the lower support 50. Extend from the top down direction: a first lower support airtight air chamber 51 is formed by sealing between the first lower support rib 501, the second lower support rib 501 and the inner wall of the heat insulation pipe 30; a second lower support closed air chamber 52 is formed by sealing among the second lower support rib 501, the third lower support rib 501 and the inner wall of the heat insulation pipe 30; the third lower support rib 501, the position contacting with the top end of the thermal insulation piping 30, and the inner wall of the thermal insulation piping 30 are sealed to form a third lower support closed air chamber 53. Each lower support closed air chamber is used for isolating air, so that the air can only convect in each lower support closed air chamber, the heat of the high-temperature area can only be conducted out through the lower support closed air chamber, the temperature is gradually reduced from the second lower support closed air chamber 52, and the heat leakage is greatly reduced.
In this embodiment, the lower support 50 is provided with a lower support groove 54 at the lower end opening of the flue 402, and the lower end of the heat generating pipe 20 extends downward into the lower support groove 54. Since the heat generating tube 20 has a thin wall, the contact surface with the lower supporting groove 54 is very small, so that the thermal resistance becomes large, and the heat conducted to the lower support 50 is further reduced.
As shown in fig. 2 to 5, the heat-insulated pipe 30 includes a heat-insulated inner wall and a heat-insulated outer wall 32 spaced apart from each other, and the length of the heat-insulated inner wall 31 is greater than that of the heat-insulated outer wall 32 such that the heat-insulated pipe 30 is coupled to the support through the heat-insulated inner wall 31. The top end of the heat insulating inner wall 31 serves as a mounting portion, and the contact area thereof is very small, forming a line contact manner, resulting in a very large thermal resistance, and thus very small amount of heat is transferred to the upper support 40 or the lower support 50.
As shown in fig. 6 to 13, in the case where the heat generating tube 20 and the heat insulating tube 30 are heat-insulated by the main closed air chamber 21 and the plurality of support closed air chambers, in order to further reduce the heat conduction between the support members and the heat insulating tube 30/the heat generating tube 20 and to reduce the leakage of heat, the heat conduction is reduced by point contact/line contact, a micro-intermittent method, or a method of reducing the wall thickness.
1. Point/line contact
The heat conduction is reduced by point contact or line contact between the support member and the thermal insulation tube 30/heat generating tube 20, the support member and the case 10 or other external structural members. Specifically, the method comprises the following steps:
as shown in fig. 6, the outer side of the end of the heating tube 20 is in point contact with a plurality of first support ribs 4031 on the inner wall of the support;
as shown in fig. 7, the end of the heat generating tube 20 is in line contact with a first support surface 4032 on the support;
as shown in fig. 8 and 9, the end of the thermal insulation piping 30 is in point contact with the second support ribs 4041 on the inner wall of the support member;
as shown in fig. 10 and 11, the end of the thermal insulation piping 30 is in line contact with the second support surface 4042 on the support member;
as shown in fig. 12 and 13, a plurality of support columns (including a first support column 4051 and a second support column 4052) are provided at the end or outside of the support/heat-generating tube 20/heat-insulating tube 30, and the support/heat-generating tube 20/heat-insulating tube 30 is in point contact with an external structural member through the support columns;
as shown in fig. 13, the end of the support/heat-generating pipe 20/heat-insulating pipe 30 is provided with a protruding outer rib 4053, and the support/heat-generating pipe 20/heat-insulating pipe 30 is in line contact with the external structural member through the outer rib 4053.
2. Micro batch process
In this embodiment, the width of the gap between the outer edge of the support rib and the inner wall of the thermal insulation pipe 30 is 0.05-0.15mm, and the small gap between the support member and the thermal insulation pipe 20 can ensure not only that the support member and the thermal insulation pipe are not in contact with each other, but also that the support closed air chambers are relatively closed, and hot air in the air chambers is not discharged.
3. Reducing wall thickness
According to the characteristics of each part and material, the wall thickness of the part on each heat transmission path is reduced as much as possible, so that the thermal resistance on the heat transmission path can be effectively and maximally improved.
In this embodiment: the wall thickness of the heating tube 20 is 0.1-0.2 mm; the wall thickness of the heat-insulating pipe 30 is 0.1 to 0.2 mm; the axial wall thickness of the supporting piece is 0.4-1.0 mm;
as shown in fig. 14, with the circulation direction of air inside the smoking set, the design of each supporting closed air chamber of the invention gradually reduces the air heat, greatly reducing the heat leakage; meanwhile, the temperature outside the heating component is further reduced by matching with the thermal resistance design inside the product. Specifically, the method comprises the following steps:
the assembly positions of the heating tube 20, the heat insulation tube 30, the upper support member 40 and the lower support member 50 adopt a point contact mode or a line contact mode, so that the heat resistance of a heat conduction path among parts is greatly increased; the intermittent size of the fit among the support ribs is small, so that the contact between the support ribs and other places except the contact point of the support ribs and the inner wall of the heat-insulating pipe 30 is avoided, and the hot air in the air chamber is prevented from flowing out; along with the heat transmission direction, the wall thickness of the heat insulation pipe 30 on the path and the wall thickness of each supporting rib are smaller, so that the heat resistance on the heat transmission path can be effectively and maximally improved; the wall of the heat insulation pipe 30 and the wall of the heating pipe are both thin, so that a line contact mode is formed, and further the thermal resistance is increased.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
The invention is described above with reference to the accompanying drawings, which are illustrative, and it is obvious that the implementation of the invention is not limited in the above manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other fields without modification.
Claims (10)
1. A heat insulation system of a heating component of a circumferential heating non-combustion smoking set comprises a heating pipe and a heat insulation pipe sleeved outside the heating pipe, and is characterized in that the upper end and the lower end of the heating component are respectively fixedly connected with a supporting piece;
the upper end and the lower end of the heating pipe and the upper end and the lower end of the heat insulation pipe are respectively in point contact/line contact with the supporting pieces, a gap is formed between the heating pipe and the heat insulation pipe, and the heating pipe, the heat insulation pipe and the upper and the lower supporting pieces are sealed to form a main sealed air chamber;
the supporting piece is provided with a plurality of supporting ribs which are transversely distributed, the supporting ribs are sleeved in the heat insulation pipe, and gaps are reserved between the outer edges of the supporting ribs and the inner wall of the heat insulation pipe, so that a plurality of supporting closed air chambers are formed between the supporting piece and the inner wall of the heat insulation pipe.
2. The thermally insulating system for a circumferentially heated non-burning smoking article heating assembly of claim 1, wherein the outer side of the end of the heat pipe is in point contact with a plurality of first support ribs on the inner wall of the support; or the end part of the heating tube is in line contact with the first support on the support.
3. The thermally insulated system of a circumferentially heated non-burning smoking article heating assembly of claim 1, wherein the end of the thermally insulated pipe is in point contact with a plurality of second support ribs on the inner wall of the support member; or the end of the heat insulating pipe is in contact with a second support surface line on the support.
4. The system of claim 1, wherein the support/heat-generating tube/heat-insulating tube is provided with support pillars at the ends or outside thereof, and the support/heat-generating tube/heat-insulating tube is in point contact with an external structural member via the support pillars;
the end of the support member/the heating pipe/the heat insulation pipe is provided with a convex external rib, and the support member/the heating pipe/the heat insulation pipe is in line contact with the external structural member through the external rib.
5. The system of claim 1, wherein the upper and lower ends of the heat-insulating tube protrude from the upper and lower ends of the heat-generating tube such that the upper and lower ends of the heat-generating tube are connected to the ends of the support members and the support ribs are disposed inside the heat-insulating tube.
6. The thermally insulated system of a circumferentially heated non-burning smoking article heating assembly of claim 1, wherein the thermally insulated tube includes an insulated inner wall and an insulated outer wall spaced apart from each other, the length of the insulated inner wall being greater than the length of the insulated outer wall such that the thermally insulated tube is connected to the support by the insulated inner wall.
7. The thermally insulating system for a circumferentially heated non-burning smoking article heating assembly of claim 1, wherein the support member comprises an upper support member and a lower support member, the upper end of the heat generating assembly being connected to the housing by the upper support member and the lower end of the heat generating assembly being connected to the housing by the lower support member.
8. The system of claim 7, wherein the upper support member has a hollow flue formed therein, the lower support member has a hollow gas duct formed therein, and the flue has an inner diameter greater than the gas duct such that the support ribs of the upper support member have a width less than the width of the support ribs of the lower support member.
9. The thermally insulating system for a circumferentially heated non-combustible smoking article heating assembly of claim 1, wherein the heat generating tube has a wall thickness of 0.1-0.2 mm;
and/or the wall thickness of the heat insulation pipe is 0.1-0.2 mm;
and/or the axial wall thickness of the support member is 0.4-1.0 mm;
and/or the width of the gap between the outer edge of the support rib and the inner wall of the thermal insulation pipe is 0.05-0.15 mm.
10. A circumferentially heated non-combustible smoking article comprising an outer shell, wherein the outer shell is provided with an insulation system for a circumferentially heated non-combustible smoking article heating assembly according to any one of claims 1 to 9.
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| CN201911031882.7A CN110638113A (en) | 2019-10-28 | 2019-10-28 | Circumferential heating non-combustion smoking set and heat insulation system of heating assembly thereof |
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| CN201911031882.7A CN110638113A (en) | 2019-10-28 | 2019-10-28 | Circumferential heating non-combustion smoking set and heat insulation system of heating assembly thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112220116A (en) * | 2020-10-22 | 2021-01-15 | 深圳市康柏特科技开发有限公司 | Circumferential heating assembly and aerosol generating device |
| CN113598429A (en) * | 2021-08-19 | 2021-11-05 | 浙江中烟工业有限责任公司 | Aerosol generating device and aerosol generating system convenient to shell is radiating |
| WO2022180091A1 (en) | 2021-02-24 | 2022-09-01 | Jt International Sa | Heating oven for an aerosol generating device having heater plates, aerosol generating device having a heating oven and method of assembling a heating oven |
| US12070073B2 (en) | 2020-07-01 | 2024-08-27 | Kt&G Corporation | Aerosol generating apparatus including susceptor assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113598429A (en) * | 2021-08-19 | 2021-11-05 | 浙江中烟工业有限责任公司 | Aerosol generating device and aerosol generating system convenient to shell is radiating |
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