CN108294366B - Baking type smoking device capable of shielding tail gas of heat source - Google Patents
Baking type smoking device capable of shielding tail gas of heat source Download PDFInfo
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- CN108294366B CN108294366B CN201810189628.9A CN201810189628A CN108294366B CN 108294366 B CN108294366 B CN 108294366B CN 201810189628 A CN201810189628 A CN 201810189628A CN 108294366 B CN108294366 B CN 108294366B
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- 230000000391 smoking effect Effects 0.000 title claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 142
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- 238000012546 transfer Methods 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 21
- 241000208125 Nicotiana Species 0.000 claims description 14
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 14
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- 210000001503 joint Anatomy 0.000 claims description 3
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- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 230000036541 health Effects 0.000 abstract description 4
- 235000019504 cigarettes Nutrition 0.000 description 5
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- 239000000796 flavoring agent Substances 0.000 description 4
- 235000019634 flavors Nutrition 0.000 description 4
- 239000003571 electronic cigarette Substances 0.000 description 3
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
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- Manufacture Of Tobacco Products (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The invention provides a baking type smoking device for shielding heat source tail gas, which comprises a heating cavity for containing heat source materials and a heating cavity for containing tobacco products, wherein the heating cavity and the heating cavity are connected through a heat transfer channel, the heat transfer channel performs heat transfer of shielding substance exchange between the heating cavity and the heating cavity through heat convection and heat conduction, and heat fluid generated by burning the heat source materials in the heating cavity is forced to flow in the heat transfer channel through a flow guide assembly arranged between the heating cavity and the heating cavity. According to the invention, the flow guide assembly capable of realizing hot air convection is arranged between the heating cavity and the heating cavity, shielding between the heat transfer channel and the sucked air and heat transfer between the heat transfer channel and the heating cavity are realized during convection, namely, the external air is sucked into the respective cavities by the heating cavity and the air inlet channel respectively, and the two airflows are mutually isolated in the baking type smoking device, so that harmful gas generated by heat source combustion in the heating cavity is not brought into the cavity, and the health risk of a smoker is greatly reduced.
Description
Technical Field
The invention relates to a tobacco smoking device, in particular to a baking type smoking device for shielding tail gas of a heat source.
Background
Along with the effectiveness of the 'tobacco control framework convention' in various countries and the transformation of consumers to smoking and health concept awareness, the living environment of the traditional cigarettes is increasingly subjected to severe tests, and in recent years, the sales growth rate of the traditional cigarettes is in a reduced state, so that how to change the burning and smoking modes of the traditional cigarettes, and the new direction for pursuing the domestic and foreign tobacco industry is realized by reducing or almost avoiding harm to the consumers while obtaining satisfaction. Because of the great difference between the consumption mode of the smokeless tobacco products and the traditional cigarettes, the research on novel tobacco products represented by heating non-combustion is remarkable. Chinese patent CN103271447A provides a novel charcoal heating electronic cigarette, which is an innovation based on the electronic cigarette, and although the atomization amount of the electronic cigarette can be increased, the direct heating of a charcoal heat source inevitably brings unpleasant smell of charcoal combustion and excessive CO release, and other charcoal heating cigarettes have the same problems.
Disclosure of Invention
In view of the shortcomings of the prior art, the present invention provides a baking type smoking device for shielding the tail gas of a heat source, which is a device for heating tobacco products in a baking manner and generating purer tobacco flavor, wherein the purer meaning means that the tail gas of the baking heat source is not contained in tobacco flavor aerosol sucked by a person and the tail gas contains fewer harmful substances than traditional burning tobacco. The tobacco product is heated in a baking mode, so that the tobacco product is prevented from being directly contacted with a heat source, and heat generated by the heat source is uniformly transferred to the tobacco product in an indirect mode, so that the heated smoking of the tobacco product is more stable.
The invention aims at realizing the following technical scheme:
the baking type smoking device for shielding the tail gas of the heat source comprises a heating cavity for containing the heat source material and a heating cavity for containing tobacco products, wherein the heating cavity and the heating cavity are connected through a heat transfer channel, the heat transfer channel performs heat transfer of shielding substance exchange between the heating cavity and the heating cavity through heat convection and heat conduction, and heat fluid generated by combustion of the heat source material in the heating cavity is forced to flow in the heat transfer channel through a flow guide component arranged between the heating cavity and the heating cavity.
Further, the flow guiding component comprises a supporting seat and a rotating machine part arranged on the supporting seat, the rotating machine part comprises at least two stages of blade groups, the first stage of blade group and the other stage of blade groups are respectively positioned in an air inlet channel and a heat transfer channel which can not be in series flow, the first stage of blade group of the rotating machine part draws kinetic energy from air flow introduced by the air inlet channel when the first stage of blade group is in self-sucking, the force applied to the first stage of blade group when the air flow passes through drives the whole rotating machine part to rotate, and meanwhile, the other stage of blade groups positioned on the rotating machine part force hot air flow near the other stage of blade groups to generate convection in the heat transfer channel when the other stage of blade groups rotate, so that hot fluid generated in a heating cavity is guided to the vicinity of the heating cavity for heat conduction.
Further, the heating cavity is arranged in the far-mouth end assembly, the far-mouth end assembly further comprises an air inlet cavity isolated from the heating cavity, the air inlet cavity is used for introducing external air during suction, the air inlet cavity is communicated with the heating cavity through the flow guide assembly to form an air inlet channel, the heating cavity is arranged in the near-mouth end assembly, the near-mouth end assembly further comprises a heating cavity isolated from the heating cavity and capable of conducting heat, the heating cavity is communicated with the heating cavity through the flow guide assembly to form the heat transfer channel, the external air is sucked by the air inlet cavity during suction and flows into the heating cavity through the flow guide assembly, the air flow drives the first-stage blade group to rotate when passing through the air inlet channel, and then drives the other-stage blade groups to rotate, so that hot air flow in the heating cavity flows to the heating cavity through the flow guide assembly, the heating cavity transfers heat to tobacco products in the heating cavity, and smoke generated by heating of the tobacco products flows into the air flow driving suction inlet of the heating cavity through the flow guide assembly.
Further, the supporting seat in the flow guiding component comprises a center ring and a secondary ring, the rotating machine part comprises a secondary blade group and a primary blade group, the secondary ring is positioned on the periphery of the center ring, the primary blade group is arranged between the center ring and the secondary ring, the secondary blade group is arranged on the outer wall of the secondary ring, and the secondary ring divides the working space of the flow guiding component into two parts: the space between the secondary ring of the flow guiding component and the middle shell forms a primary space, the space clamped by the central ring and the secondary ring forms a secondary space, the air inlet channel consists of an air inlet cavity of the far-mouth end component, the primary space of the flow guiding component and a heating cavity of the near-mouth end component, and the heat transfer channel consists of a heating cavity of the far-mouth end component, the secondary space of the flow guiding component and a heating cavity of the near-mouth end component.
Further, one end of the far-mouth end component is provided with a supporting shaft, and the supporting shaft can be embedded in the central ring and can rotate by taking the supporting shaft as an axle center.
Further, the support shaft is a cylindrical shaft extending outwardly from the inner bottom surface of the distal assembly.
Further, a middle shell is arranged between the far-mouth end component and the near-mouth end component, the flow guide component is contained in the middle shell and can axially rotate in the middle shell, and a gap is reserved between the outer peripheral surface of the flow guide component and the inner wall of the middle shell.
Further, the middle shell is fixed with the proximal end component and the distal end component in a cementing, welding or buckling mode.
Further, the heating cavity and the air inlet cavity are both open spaces, an inlet for sucking outside air and an outlet for communicating with the flow guide assembly are formed, the outlet comprises a first through hole and a second through hole which are arranged at the butt joint end of the flow guide assembly, the radial distances between the first through hole and the second through hole and the radial distance between the second through hole and the supporting shaft are unequal, the area of the second through hole which is rotationally swept around the supporting shaft is not intersected with the first through hole, and the primary space and the secondary space of the flow guide assembly are respectively communicated with the first through hole and the second through hole.
Further, the near-mouth end group is divided into a heating cavity and a heating power cavity by a thin wall, an opening is formed in the outer end of the heating cavity for inserting tobacco products, a third through hole and a fourth through hole are formed in one side, close to the flow guiding assembly, of the near-mouth end assembly, the heating cavity is communicated with a primary space of the flow guiding assembly through the third through hole, and the heating power cavity is communicated with a secondary space of the flow guiding assembly through the fourth through hole.
According to the invention, the flow guide assembly capable of realizing hot air convection is arranged between the heating cavity and the heating cavity, shielding with inhaled air and heat transfer with the heating cavity are realized through the heat transfer channel during convection, namely, external air is respectively inhaled into the respective cavities by the heating cavity and the air inlet channel, and the two air flows are mutually isolated in the baking type smoking device, so that harmful gas generated by burning of a heat source in the heating cavity is not brought into the cavity, and the health risk of a smoker is greatly reduced.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is an exploded view of one embodiment of the present invention;
FIG. 3 is a cross-sectional view of one embodiment of the present invention;
FIG. 4 is a schematic perspective view of a distal end assembly 1a according to an embodiment of the present invention;
fig. 5 (a) is a side view of the distal end assembly 1a according to an embodiment of the present invention, fig. 5 (b) is a cross-sectional view, fig. 5 (c) is a left side view, and fig. 5 (d) is a right side view;
FIG. 6 is a schematic perspective view of a flow guiding assembly 1e according to an embodiment of the present invention;
FIG. 7 (a) is a cross-sectional view of a baffle assembly 1e according to one embodiment of the present invention, FIG. 7 (b) is an end view, and FIG. 7 (c) is a side view of a portion of the baffle assembly 1 e;
FIG. 8 is a schematic perspective view of a flow guiding assembly 1e according to an embodiment of the present invention;
fig. 9 (a) is a side view of the deflector assembly 1e according to an embodiment of the present invention, fig. 9 (b) is a cross-sectional view, fig. 9 (c) is a left side view, and fig. 9 (d) is a right side view.
In the figure: 1-baking type smoking device, 1 a-far end component, 1 b-middle shell, 1 c-near end component, 1 d-tobacco product, 1 e-flow guiding component, 101-heating cavity, 102-thin wall, 103-air inlet cavity, 104-first through hole, 105-supporting shaft, 106-second through hole, 107-central ring, 108-second leaf group, 109-first leaf group, 110-second ring, 111-third through hole, 112-thin wall, 113-heating cavity, 115-heating cavity, 116-fourth through hole.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Fig. 1 to 9 show in a simplified manner one embodiment of a baked smoking device of the present invention, and its components, which shield the exhaust gases of a heat source, and in particular the components of the baked smoking device 1 are not drawn to scale in the figures, and components which are not relevant for understanding this embodiment have been omitted to simplify fig. 1 to 9.
Referring to fig. 1, the baked smoking device 1 accommodates a tobacco product 1d in use, and the baked smoking device 1 includes a distal end assembly 1a, a middle housing 1b, a proximal end assembly 1c, and a flow guide assembly 1e disposed within the middle housing 1b, which are sequentially connected.
The portion of the tobacco product 1d that heats the aerosol is received by the proximal end assembly 1c of the baked smoking device 1. When smoking is completed, the tobacco product 1d can be smoothly separated from the proximal end assembly 1 c. Fig. 2 is an exploded view of the baked smoking device 1 in use, and it can be seen that the baked smoking device 1 generally comprises a proximal end assembly 1c, a central housing 1b, a flow directing assembly 1e and a distal end assembly 1a, except for a tobacco product 1 d. The flow guide assembly 1e is contained in the middle shell 1b, and a gap is reserved between the outer peripheral surface of the flow guide assembly 1e and the inner wall of the middle shell 1b, so that friction between the flow guide assembly 1e and the inner wall of the middle shell 1b in the rotating process is avoided. The middle casing 1b connects the proximal end component 1c and the distal end component 1a, and the fixation between the components can be performed by gluing, welding or buckling.
As shown in fig. 3, a cross-sectional view of the baked smoking device 1 shows a part of its internal construction, including the heating chamber 101, the air intake chamber 103, and the thermal chamber 115. The air flow inside the heating cavity 101 can be pumped into the heating cavity 115 through the diversion component 1e, and the air in the air inlet cavity 103 is sucked into the inlet through the diversion component 1e and the tobacco product 1 d. External air is sucked into the respective cavities by the heating cavity 101 and the air inlet cavity 103 respectively, and the two air flows run in the baking type smoking device 1 are mutually isolated, so that harmful gas generated by burning of a heat source in the heating cavity cannot be brought into the cavity, and the health risk of a smoker is greatly reduced.
Fig. 4 and 5 show a secondary structure of the distal end assembly 1a, including a heating chamber 101, an air intake chamber 103, and a support shaft 105. The heating cavity 101 and the air inlet cavity 103 are separated by a thin wall 102, the heating cavity 101 and the air inlet cavity 103 are both open spaces, the heating cavity 101 and the air inlet cavity 103 are both provided with an inlet for sucking outside air and an outlet communicated with the flow guiding component 1e (namely, a first through hole 104 and a second through hole 106 arranged at the butt joint end of the flow guiding component 1 e), and the outside air inlet enters the movable space of the flow guiding component 1e through the outlet (the first through hole 104 and the second through hole 106) after entering the cavity. The radial distances of the first through hole 104 and the second through hole 106 from the support shaft 105 are not equal, and the area swept by the second through hole 106 in rotation about the support shaft 105 does not intersect the first through hole 104 (as shown in fig. 5 (c)). The support shaft 105 is a cylindrical shaft extending outwardly from the inner bottom surface of the distal end assembly 1a, and passing through a center ring 107 (shown in fig. 6) of the baffle assembly 1e to provide a support axis for the rotation of the baffle assembly 1e.
The flow guiding component 1e in the smoking device comprises a supporting seat and a rotating machine part arranged on the supporting seat, wherein the rotating machine part comprises at least two stages of blade groups. The first stage blade group of the rotary machine member draws kinetic energy from the air flow passing through the rotary machine member, the force applied to the first stage blade group when the air flow passes through drives the whole rotary machine member to rotate, and meanwhile, other stage blade groups positioned on the rotary machine member force the air near the other stage blade groups to directionally flow when rotating. The first stage blade group and the other stage blade groups are respectively positioned in two non-streamable channels, namely an air inlet channel and a heat transfer channel. The air inlet channel is formed by an air inlet cavity 103 of the far-end component 1a, a primary space of the flow guiding component 1e and a heating cavity 113 of the near-end component 1c, and the heat transfer channel is formed by a heating cavity 101 of the far-end component 1a, a secondary space of the flow guiding component 1e and a heating cavity 115 of the near-end component 1 c.
The first stage vane set is driven by the air flow within the inlet passage, causing the other stage vane sets located within the heat transfer passage to force convection of the hot gas flow therearound. The first vane group acts as a driving element for the rotating organ, the kinetic energy of which derives from the air flow in the air intake channel (entering from the air intake chamber 103), more essentially from the air flow caused by the suction of the smoking device by the mouth. In general terms, the above-mentioned deflector assembly 1e functions to transform the mechanical energy of the air flow generated when the mouth draws the tobacco product into the mechanical energy of the hot air flow inside the heat transfer channel.
The detailed structure of the flow guiding assembly 1e is shown in fig. 6 and 7, and includes a secondary blade group 108, a primary blade group 109, a central ring 107, and a secondary ring 110, the secondary ring 110 is located at the periphery of the central ring 107, the primary blade group 109 is located between the central ring 107 and the secondary ring 110, and the secondary blade group 108 is located at the outer wall of the secondary ring 110. The center ring 107 may be embedded with the support shaft 105, and may rotate around the support shaft 105. According to Bernoulli principle, during the rotation of the flow guiding assembly 1e, the gas between the central ring 107 and the secondary ring 110 is pushed by the primary blade group 109 to move at a high speed, so that a local low pressure is formed in the space sandwiched by the central ring 107 and the secondary ring 110, and the gas at one end of the flow guiding assembly 1e is continuously pumped to the other end. The secondary ring 110 divides the working space of the flow guiding assembly 1e into two parts, wherein the primary space of the flow guiding assembly 1e refers to the space between the secondary ring 110 and the middle housing 1b, and the secondary space refers to the space between the center ring 107 and the secondary ring 110. The primary space and the secondary space of the flow guiding component 1e are respectively communicated with the first through hole 104 and the second through hole 106, and under the rotary air suction effect of the flow guiding component 1e, the air in the heating cavity 101 is sucked into the secondary space of the flow guiding component 1e in a relatively isolated manner.
Fig. 8 and 9 show the structure of the proximal assembly 1c, which includes a heating chamber 113 and a thermal chamber 115. The heating cavity 113 is communicated with the primary space of the diversion component 1e through the third through hole 111 and is isolated from the heating cavity 115 by the thin wall 112, so that air sucked into a human body is sucked by the air inlet cavity 103, flows into the heating cavity 113 through the primary space of the diversion component 1e, and finally, the air sucked into the human body is not polluted by the combustion tail gas of a heat source. Accordingly, the heating cavity 115 is communicated with the secondary space of the flow guiding component 1e through the fourth through hole 116, hot air flow is pumped into the heating cavity 115 from the heating cavity 106 by the flow guiding component 1e, heat is transferred to the tobacco product 1d in the heating cavity 113 through the thin wall 112, and finally the tobacco product 1d generates tobacco flavor for people to suck under the heated condition.
The tobacco product 1d is a finished product which is made of tobacco materials and can be heated to a certain temperature to emit tobacco flavor smoke, and the shape of the finished product can be a cylinder, a cuboid or a sphere. The tobacco product 1d described above can be smoothly inserted into the heating chamber 113 of the smoking device of the present invention such that the inner wall of the heating chamber 113 is in close contact with a substantial portion of the outer surface of the tobacco product 1 d.
The shape of the inner wall of the heating cavity 113 is basically equivalent to the shape of the corresponding tobacco product 1d, and has a low friction coefficient, so that on one hand, the tobacco product 1d can be smoothly inserted and pulled out in the heating cavity 113, and on the other hand, the outer surface of the tobacco product 1d is tightly attached to the inner wall of the heating cavity 113, so that the heat conduction efficiency is improved. In the working state, the heat transferred from the heating cavity 115 to the tobacco product 1d in the heating cavity passes through the outer wall of the heating cavity, the inner wall of the heating cavity, the outer surface of the tobacco product and the interior of the tobacco product in sequence. The inner and outer walls of the heating cavity 113 are made of heat-resistant materials, including but not limited to various metals, alloys, ceramics, glass, plastics, etc., the heat transfer and heating functions of the heating cavity 113 have high requirements on the heat conduction performance of the material, and meanwhile, the friction resistance performance of the material needs to be comprehensively considered, so that the inner and outer walls of the heating cavity 113 have the characteristics of quick heat conduction and pull-out resistance.
The heat of the heating cavity 113 is derived from the combustion of heat source materials in the heating cavity 113, and most of the heat source materials refer to organic combustible matters including carbon, alcohol, wax and the like. The outer surface of the heat source material and the inner wall of the heating cavity do not need to be in direct contact, and do not need to be closely attached. Generally, the peripheral space of the heat source material is covered with a layer of material for heat preservation, and the constituent elements of the heat preservation material include, but are not limited to, glass fiber, ceramic, plastic, metal, alloy, geotechnical fiber and the like. In addition, the thermal insulation material should have the characteristics of softness and compressibility in morphology, so as to facilitate the insertion and extraction of the heat source material, the clamping with moderate tightness and air flow. In the working state, the heat source material is wrapped inside the heating cavity 101 by the heat insulating material, the ignited heat source material generates heat and heats the surrounding air and the combustion tail gas, and the hot air flow formed together moves to the outside of the heating cavity 113 along the heating cavity 115 and exchanges heat with the heating cavity. The movement of the hot air flow is a form of heat transfer, and the forced convection of the hot air flow in the heating cavity 115 by the flow guiding assembly 1e causes most of the heat generated in the heating cavity 101 to be timely transferred to the heating cavity 113.
The foregoing is merely illustrative embodiments of the present invention, and the present invention is not limited thereto, and any changes or substitutions that may be easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a shielding heat source tail gas's baking type smoking device, includes the heating chamber that holds heat source material and holds tobacco product's heating chamber, its characterized in that: the heating cavity and the heating cavity are connected through a heat transfer channel, the heat transfer channel performs heat transfer of shielding substance exchange between the heating cavity and the heating cavity through heat convection and heat conduction, and heat fluid generated by burning of a heat source material in the heating cavity is forced to flow in the heat transfer channel by a flow guide component arranged between the heating cavity and the heating cavity; the flow guiding component comprises a supporting seat and a rotating machine part arranged on the supporting seat, the rotating machine part comprises at least two stages of blade groups, a first stage of blade group and other stage of blade groups are respectively positioned in an air inlet channel and a heat transfer channel which can not be in series flow, the first stage of blade group of the rotating machine part draws kinetic energy from air flow introduced by the air inlet channel when the first stage of blade group is in suction, the force applied to the first stage of blade group when the air flow passes through drives the whole rotating machine part to rotate, and meanwhile, the other stage of blade groups positioned on the rotating machine part force hot air flow near the other stage of blade groups to generate convection in the heat transfer channel when the other stage of blade groups rotate, so that hot fluid generated in a heating cavity is guided to the vicinity of the heating cavity for heat conduction; the heating cavity is arranged in the far-mouth end assembly, the far-mouth end assembly further comprises an air inlet cavity isolated from the heating cavity, the air inlet cavity is used for introducing external air when sucking, the air inlet cavity is communicated with the heating cavity through the flow guide assembly to form the air inlet channel, the heating cavity is arranged in the near-mouth end assembly, the near-mouth end assembly further comprises a heating cavity isolated from the heating cavity and capable of conducting heat, the heating cavity is communicated with the heating cavity through the flow guide assembly to form the heat transfer channel, the external air is sucked by the air inlet cavity when sucking, flows into the heating cavity through the flow guide assembly, and when the air flows through the air inlet channel, the first-stage blade group is driven to rotate, and then other-stage blade groups are driven to rotate, so that hot air flow in the heating cavity is convected to the heating cavity through the flow guide assembly, the heating cavity transfers heat to tobacco products in the heating cavity, and smoke generated when the tobacco products are heated is driven to be sucked into the suction inlet by the air flow of the heating cavity through the flow guide assembly; the supporting seat in the flow guiding component comprises a center ring and a secondary ring, the rotating part comprises a secondary blade group and a primary blade group, the secondary ring is positioned on the periphery of the center ring, the primary blade group is arranged between the center ring and the secondary ring, the secondary blade group is arranged on the outer wall of the secondary ring, and the secondary ring divides the working space of the flow guiding component into two parts: the space between the secondary ring of the flow guiding component and the middle shell forms a primary space, and the space clamped by the central ring and the secondary ring forms a secondary space; the air inlet channel consists of an air inlet cavity of the far-end assembly, a primary space of the flow guiding assembly and a heating cavity of the near-end assembly, and the heat transfer channel consists of a heating cavity of the far-end assembly, a secondary space of the flow guiding assembly and a heating cavity of the near-end assembly; the heating cavity and the air inlet cavity are both open spaces and are provided with an inlet for sucking outside air and an outlet communicated with the flow guide assembly, the outlet comprises a first through hole and a second through hole which are arranged at the butt joint end of the flow guide assembly, the radial distances between the first through hole and the second through hole and the radial distance between the second through hole and the supporting shaft are unequal, the area of the second through hole which is rotationally swept around the supporting shaft is not intersected with the first through hole, and the primary space and the secondary space of the flow guide assembly are respectively communicated with the first through hole and the second through hole; the tobacco product is smoothly embedded into the heating cavity so that the inner wall of the heating cavity is in close contact with a substantial portion of the outer surface of the tobacco product.
2. A baked tobacco smoke evacuation device for shielding exhaust gases from a heat source as claimed in claim 1, wherein: one end of the far-mouth end component is provided with a supporting shaft, and the supporting shaft can be embedded into the central ring of the flow guide component and can rotate by taking the supporting shaft as an axle center.
3. A baked tobacco smoke evacuation device for shielding exhaust gases from a heat source as claimed in claim 2, wherein: the support shaft is a cylindrical shaft extending outwardly from the inner bottom surface of the distal end assembly.
4. A baked tobacco smoke evacuation device for shielding exhaust gases from a heat source as claimed in claim 1, wherein: a middle shell is arranged between the far-mouth end component and the near-mouth end component, the flow guide component is contained in the middle shell and can axially rotate in the middle shell, and a gap is reserved between the outer peripheral surface of the flow guide component and the inner wall of the middle shell.
5. The baked tobacco smoke exhaust ventilator of claim 4, wherein the heat source exhaust gas is shielded from the heat source exhaust gas by: the middle shell is fixed with the near-mouth end component and the far-mouth end component in a cementing, welding or buckling mode.
6. A baked tobacco smoke evacuation device for shielding exhaust gases from a heat source as claimed in claim 1, wherein: the near-mouth end group is divided into a heating cavity and a heating cavity by a thin wall, an opening is arranged at the outer end of the heating cavity for inserting tobacco products, a third through hole and a fourth through hole are formed in one side, close to the flow guiding assembly, of the near-mouth end assembly, the heating cavity is communicated with the primary space of the flow guiding assembly through the third through hole, and the heating cavity is communicated with the secondary space of the flow guiding assembly through the fourth through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189628.9A CN108294366B (en) | 2018-03-08 | 2018-03-08 | Baking type smoking device capable of shielding tail gas of heat source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189628.9A CN108294366B (en) | 2018-03-08 | 2018-03-08 | Baking type smoking device capable of shielding tail gas of heat source |
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| Publication Number | Publication Date |
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| CN108294366A CN108294366A (en) | 2018-07-20 |
| CN108294366B true CN108294366B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810189628.9A Active CN108294366B (en) | 2018-03-08 | 2018-03-08 | Baking type smoking device capable of shielding tail gas of heat source |
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| CN (1) | CN108294366B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108685201A (en) * | 2018-08-02 | 2018-10-23 | 湖北中烟工业有限责任公司 | A kind of tobacco heating suction unit of hand-held machine driving gas |
| CN108685199A (en) * | 2018-08-02 | 2018-10-23 | 湖北中烟工业有限责任公司 | A kind of tobacco heating suction unit of hand electric driving gas |
| CN109043661A (en) * | 2018-08-27 | 2018-12-21 | 湖北中烟工业有限责任公司 | A kind of heating based on mechanical energy-saving type vacuum elements not burning tobacco suction unit |
| CN108968163A (en) * | 2018-09-30 | 2018-12-11 | 湖北中烟工业有限责任公司 | A kind of contactless tobacco curing range of two-shipper reason |
| CN110604343B (en) * | 2019-10-15 | 2024-06-11 | 中国科学技术大学先进技术研究院 | Suction device |
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| CN108294366A (en) | 2018-07-20 |
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