CN212877594U - Aerosol generating device with flow guide structure - Google Patents
Aerosol generating device with flow guide structure Download PDFInfo
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- CN212877594U CN212877594U CN202021453637.3U CN202021453637U CN212877594U CN 212877594 U CN212877594 U CN 212877594U CN 202021453637 U CN202021453637 U CN 202021453637U CN 212877594 U CN212877594 U CN 212877594U
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Abstract
The utility model provides an aerosol generating device with water conservancy diversion structure, include: an aerosol-generating element having a distal end portion and a proximal end portion opposite to the distal end portion and having an opening in an axial direction, and comprising a housing, an inner working member accommodated within the housing, and a receiving sleeve, wherein the aerosol-generating element has a hollow accommodating chamber in a portion near the proximal end portion to accommodate the receiving sleeve; and an aerosol-generating article, one end of which is inserted into the receiving cavity via the opening, wherein the aerosol-generating device has a flow-directing structure in communication with the exterior for sweeping air from the periphery of the aerosol-generating substrate into the aerosol-generating article via the flow-directing structure. The aerosol-generating device is such that, under the action of the flow-directing structure, air does not flow directly through the aerosol-generating substrate, but instead sweeps across the periphery of the aerosol-generating substrate into the interior of the aerosol-generating article.
Description
Technical Field
The utility model relates to an aerosol generating equipment field, more specifically relates to an aerosol generating device with water conservancy diversion structure.
Background
The working principle of heating a non-combustible tobacco product is that the tobacco substrate absorbs heat from a heat source through heat transfer to generate aerosol, air is used as a carrier, and the aerosol generated after the tobacco substrate is heated is delivered to the oral cavity of a consumer after being filtered by a filter. To ensure the efficiency of aerosol delivery, current heated tobacco products require fresh air to flow through the tobacco substrate, with aerosol delivery generally occurring along the axis of the cigarette. Because the axial dimension of the cigarette is larger than the radial dimension, the aerosol transfer resistance is larger, and the insufficient smoke quantity is the problem faced by most of the prior tobacco products which are not heated and combusted.
On the other hand, in order to achieve the purpose of heating and non-burning the tobacco substrate, the existing products are generally realized by adopting a method for controlling the heating temperature. The negative effect brought by low heating temperature is that the traditional tobacco substrate formula is difficult to be directly used for heating the non-combustible tobacco product, and the tobacco fragrance components are difficult to be completely released, so that the glycerin and moisture content of the tobacco product is higher to ensure the smoke quantity, and the actual feeling of consumers is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides an aerosol generating device with water conservancy diversion structure, aerosol generating device is under the effect of water conservancy diversion structure, and the substrate takes place for the aerosol not directly to flow through of air, but takes place the substrate periphery through the aerosol and sweep, gets into inside the aerosol generation goods through specific position.
According to the utility model discloses an aerosol generating device with water conservancy diversion structure includes: an aerosol-generating element having a distal end and a proximal end opposite the distal end and having an opening in an axial direction, and comprising a housing, an inner working member and a receiving sleeve accommodated within the housing, wherein: the inner working element is disposed proximate the distal end; and the aerosol generating element has a hollow receiving cavity in a portion near the proximal end portion to receive the receiving sleeve, the receiving cavity communicating with the outside through the opening; and an aerosol-generating article inserted into the receiving cavity at one end thereof via the opening, the aerosol-generating article being positioned coaxially with the aerosol-generating element, wherein the aerosol-generating device has a flow-directing structure in communication with the exterior for sweeping air from the periphery of the aerosol-generating substrate into the aerosol-generating article via the flow-directing structure.
Further, the aerosol generating article may comprise a substrate segment, a hollow tube segment and a functional segment which are contiguous in sequence, the substrate segment, the hollow tube segment and a portion of the functional segment being received within the receiving cavity and the substrate segment and a portion of the hollow tube segment being located within the receiving sleeve, the hollow tube segment having a central cavity in an axial direction and the hollow tube segment having at least one sidewall through-hole formed in a circumferential sidewall thereof.
In addition, the receiving sleeve can be a hollow tube and a hollow structure covering a part or all of the matrix segments is formed on the side wall. The cutout structure may include a plurality of sleeve through holes uniformly distributed so that aerosol generated by the substrate segment enters the flow guide structure through the sleeve through holes, and an inner wall surface of the receiving sleeve is flush with a circumferential inner side wall of the proximal end portion in the axial direction.
Preferably, the flow guide structure may include: a plurality of air inlets formed on the housing; an air outlet formed in the housing between the receiving sleeve and the proximal end portion and communicating with the accommodating chamber, and at least one sidewall through hole corresponding in position to the air outlet to communicate with each other; a first aerosol receiving zone, the first aerosol receiving zone being an annular space located within the housing and communicating at both ends with the plurality of air inlets and the plurality of air outlets, respectively; and a second aerosol receiving area comprised of a central cavity and at least one sidewall through hole.
According to a first exemplary embodiment of the present invention, a plurality of air inlets may be formed on an end face of the distal end portion, and the first aerosol-receiving region extends from the distal end portion to the proximal end portion in the axial direction.
According to a second exemplary embodiment of the present invention, a plurality of air inlets may be formed on the axial side wall of the housing and located at positions adjacent to the inner end side of the accommodating chamber, and the first aerosol receiving region is an annular space surrounding the receiving sleeve.
According to an alternative embodiment, the functional segment may comprise an aerosol optimizing element, adjoining the empty tube segment, and a filter element.
Further, the aerosol optimizing element may be made of a temperature reducing material.
Alternatively, the aerosol optimizing element may be made of a soft material containing a humectant or flavoring agent.
According to a preferred embodiment, the aerosol-generating article may further comprise an outer wrapper wrapped outside the substrate section, the hollow tube section and the functional section, the outer wrapper being formed with an outer through-hole at a position corresponding to the at least one sidewall through-hole.
Preferably, the outer wrapper may be made of a material that is permeable to fluids.
According to an example of the present invention, the circumferential inner side wall of the proximal end portion may be provided with a sealing element for sealing when the aerosol generating article is inserted into the receiving cavity.
Alternatively, the receiving sleeve may be made of a metal, an alloy or a thermally conductive material with a surface metallization.
According to the utility model discloses an aerosol generating device is under the effect of water conservancy diversion structure, and the aerosol is diffused and removed more advantageously to effectively improve the volume of giving off smoke that heats incombustible tobacco products, and solitary airflow channel easily adjusts the sensory quality in order to improve the product to the aerosol composition. In addition, the aerosol generating device has a compact structure, thereby facilitating miniaturization of the heating smoking set structure.
Drawings
The above and other aspects and features of the present invention will become apparent from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
figure 1 is a schematic structural view, partially in section, of an aerosol-generating device according to a first exemplary embodiment of the invention;
FIG. 2 is a bottom view of the aerosol generating device shown in FIG. 1;
FIG. 3 is a schematic cross-sectional view of an aerosol generating article according to one example of the present invention;
fig. 4 is a perspective view showing a structure of a receiving sleeve according to another example of the present invention;
figure 5 is a schematic, partly in cross-section, of an aerosol-generating device according to a second exemplary embodiment of the invention, in which no aerosol-generating article is inserted; and
fig. 6 is a schematic view of the overall structure of an aerosol-generating device according to the second exemplary embodiment.
Detailed Description
Illustrative, non-limiting embodiments of the present invention are described in detail below with reference to the accompanying drawings, further illustrating an aerosol generating device according to the present invention.
According to the utility model discloses an aerosol generating device includes coaxial aerosol generating element and the aerosol emergence goods of placing. The aerosol-generating element has a distal end portion and a proximal end portion opposite the distal end portion and having an opening in an axial direction, and includes a housing, an inner working element accommodated within the housing, and a receiving sleeve. An inner working element is disposed proximate the distal end. For example, the internal working elements may include a power source (e.g., a lithium ion power source or the like) as well as circuit boards and wires (not shown) for controlling the operation of the aerosol generating article, particularly for controlling the heating process. The aerosol-generating element has a hollow receiving chamber in a portion near the proximal end portion to receive the receiving sleeve, the receiving chamber communicating with the outside through an opening of the proximal end portion. One end of the aerosol generating article is inserted into the receiving cavity through the opening. According to the utility model discloses an aerosol generating device has the water conservancy diversion structure with outside intercommunication to be used for making air from aerosol emergence substrate periphery sweep and get into in the aerosol emergence goods via the water conservancy diversion structure. The flow guide structure is beneficial to the diffusion and the migration of aerosol, effectively improves the smoke quantity of a tobacco product which is not burnt when being heated, and ensures that air does not directly flow through the aerosol generating substrate, but passes through the periphery of the aerosol generating substrate to sweep and enters the aerosol generating product through a specific position, thereby being easy to adjust the aerosol components and improving the sensory quality of the product.
Next, the structure of an aerosol-generating device according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view showing a partial cross section of an aerosol-generating device according to a first exemplary embodiment of the present invention, and fig. 2 is a bottom view of the aerosol-generating device shown in fig. 1. According to said first exemplary embodiment, the aerosol-generating device comprises an aerosol-generating element 1 and an aerosol-generating article 2, which are coaxially placed. The aerosol-generating element 1 has, in the axial direction, a distal end portion 101 and a proximal end portion 102 opposite the distal end portion and having an opening, wherein the distal end portion 101 is the end remote from the mouth of the consumer and the proximal end portion 102 is the end close to the mouth of the consumer. The aerosol generating element 1 further comprises a housing 11, an inner working element (not shown in the figures) housed within the housing, and a receiving sleeve 12, wherein the inner working element is disposed proximate to the distal end 101. For example, the receiving sleeve 12 may be made of a metal, an alloy or a thermally conductive material with a surface metallization. The aerosol-generating element 1 has, in a portion close to the proximal end 102, a hollow housing cavity 13 to house the receiving sleeve 12, said cavity communicating with the outside through an opening of the proximal end 102 to facilitate the insertion of the aerosol-generating article. One end of the aerosol-generating article 2 is inserted into the receiving cavity 13 via the opening, as shown in figure 1. The aerosol-generating device has a flow-directing structure in communication with the exterior for sweeping air from the periphery of the aerosol-generating substrate into the aerosol-generating article via the flow-directing structure.
In particular, as shown in fig. 3, the aerosol-generating article 2 may comprise a substrate segment 21, an empty tube segment 22 and a functional segment 23, which are contiguous in sequence. The matrix section 21, the empty tube section 22 and a part of the functional section 23 are accommodated in the accommodation chamber 13, and the matrix section 21 and a part of the empty tube section 22 are located in the receiving sleeve 12, as shown in fig. 1. The hollow tube section 22 has a central cavity 221 in the axial direction and at least one sidewall through hole 222 is formed on a circumferential sidewall of the hollow tube section. The aerosol-generating substrate segment 21 may be formed, for example, from a blend of one or more of cut tobacco, tobacco flakes, tobacco particles, tobacco shaped bodies, or tobacco-containing gels.
Fig. 4 is a schematic perspective view of a receiving sleeve according to an embodiment of the invention. The receiving sleeve 12 may be a hollow tube with cut-outs 121 formed in the side walls that cover a portion or all of the matrix sections 21. The cutout 121 may, for example, comprise a plurality of uniformly distributed sleeve through-holes, so that the aerosol generated by the substrate segments 21 enters the flow guide structure through the sleeve through-holes. In addition, the inner wall surface of the receiving sleeve 12 is flush in the axial direction with the circumferentially inner side wall of the proximal end portion 102 (as shown in fig. 1) so as to accommodate the aerosol-generating article 2.
Further, the flow guiding structure may further comprise a plurality of air inlets 14, air outlets 15, first aerosol receiving areas 16 and second aerosol receiving areas 17 formed on the housing 11, as shown in fig. 1-3. An air outlet 15 is formed in the housing 11 between the receiving sleeve 12 and the proximal end portion 102 and communicates with the accommodating chamber 13, and at least one sidewall through hole 222 corresponds in position to the air outlet 15 to communicate with each other, so that air and aerosol flowing through the first aerosol-receiving region enter the air tube section 22 via the air outlet. The first aerosol-receiving zone 16 is an annular space located within the housing 11 and communicating at both ends with the plurality of air inlets 14 and the air outlets 15, respectively, so as to communicate the air inlets 14, the outer side wall of the receiving sleeve 12, and the air outlets 15 in this order. The second aerosol receiving area 17 is formed by a central cavity 221 and at least one side wall through hole 222, so that the aerosol carried by the first aerosol receiving area 16 and diffused through the hollow structure 121 enters the second aerosol receiving area 17 through the air outlet 15, and then enters the oral cavity of a consumer after being cooled, humidified, flavored or filtered by the functional section 23.
According to the first exemplary embodiment, a plurality of intake ports 14 are formed on the end face of the distal end portion 101, as shown in fig. 2. In the embodiment described, an annular space is formed inside the housing 11 extending from the distal end 101 to the proximal end 102, i.e. the first aerosol-receiving region 16 extends in axial direction from the distal end 101 to the proximal end 102.
The structure of an aerosol generating device according to a second exemplary embodiment of the present invention will be described with reference to fig. 5 and 6, and the similar parts in structure to those of the first exemplary embodiment will be denoted by the same reference numerals and will not be described again, and only the differences will be described in detail. Specifically, as shown in fig. 5, a plurality of air inlets 14' of the flow guide structure are formed on the axial side wall of the housing 11 at positions adjacent to the inner end side of the accommodating chamber 13. In the second exemplary embodiment, the first aerosol-receiving area 16' is an annular space surrounding the receiving sleeve 12.
Preferably, the functional section 23 of the aerosol-generating article 2 may comprise an aerosol-optimizing element 231, which is contiguous with the blank section 21, and a filter element. The aerosol optimizing element 231 may be made of, for example, a temperature reducing material, or alternatively, may be made of a soft material containing a humectant or flavoring agent.
Next, an operation of the aerosol generating device according to an embodiment of the present invention will be described. In use of the aerosol-generating device according to the invention, the aerosol-generating article 2 is placed coaxially with the aerosol-generating element 1 and inserted into the receiving chamber 13. Next, the aerosol-generating element 1 is activated and the receiving sleeve 12 heats the substrate segment 21 of the aerosol-generating element by transferring heat or by self-heating. After a certain time of preheating, the aerosol generating element 1 issues a prompt through the inner working element, and the consumer draws through the functional segment 23 of the aerosol generating element at the proximal end 102. In this way, the aerosol generated by the substrate section 21 is diffused into the first aerosol receiving area through the hollow structure 121 of the receiving sleeve 12, and the air flows through the air inlet 14 (or 14 ') of the aerosol generating element 1, the first aerosol receiving area 16 (or 16'), the air outlet 15 and the side wall through hole 222 of the hollow pipe section 22 in sequence, so that the aerosol generated by the substrate section 21 is carried by the first aerosol receiving area, enters the second aerosol receiving area 17, and then enters the oral cavity of the consumer after being cooled, humidified, flavored or filtered through the functional section 23.
According to an example of the present invention, the aerosol-generating article 2 may further comprise an outer wrapper 24 wrapped outside the substrate section 21, the blank pipe section 22 and the functional section 23, as shown in fig. 3. The outer wrapper 24 is formed with an outer through hole at a position corresponding to the at least one sidewall through hole 222 to facilitate the entry of aerosol into the second aerosol receiving area. Preferably, the outer wrapper 24 may be made of a material which is permeable to fluids so that the aerosol generated by the substrate segment 21 can be easily released from the substrate segment for diffusion into the first aerosol region.
According to another example, the circumferentially inner side wall of the proximal end portion 102 may be provided with a sealing element 18 to effect a seal between the inner side wall of the receiving cavity and the outer surface of the aerosol generating article when the aerosol generating article is inserted into the receiving cavity.
Although exemplary embodiments of the present invention have been described, it will be apparent to those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (13)
1. An aerosol generating device having a flow directing structure, the aerosol generating device comprising:
an aerosol-generating element having a distal end and a proximal end opposite the distal end and having an opening in an axial direction, and comprising a housing, an inner working member and a receiving sleeve housed within the housing, wherein:
the inner working member is disposed proximate the distal end; and
the aerosol generating element has a hollow receiving cavity in a portion near the proximal end portion to receive the receiving sleeve, the receiving cavity communicating with the outside through the opening; and
an aerosol generating article inserted into the receiving cavity at one end thereof through the opening, the aerosol generating article being positioned coaxially with the aerosol generating element,
wherein the aerosol generating device has a flow directing structure in communication with the exterior for sweeping air from the periphery of the aerosol generating substrate into the aerosol generating article via the flow directing structure.
2. An aerosol generating device according to claim 1, wherein:
the aerosol generating article comprising a substrate segment, a blank segment, and a functional segment, which are contiguous in sequence, the substrate segment, the blank segment, and a portion of the functional segment being contained within the containment cavity, and the substrate segment and a portion of the blank segment being located within the receiving sleeve; and
the hollow tube section has a central cavity in the axial direction, and at least one sidewall through hole is formed on a circumferential sidewall of the hollow tube section.
3. An aerosol generating device according to claim 2, wherein the receiving sleeve is a hollow tube and is formed with an openwork structure on a side wall covering a part or all of the substrate segment, the openwork structure comprising a plurality of sleeve through holes evenly distributed so that the aerosol generated by the substrate segment enters the flow guide structure through the sleeve through holes, and an inner wall surface of the receiving sleeve is flush with a circumferential inner side wall of the proximal end portion in the axial direction.
4. An aerosol generating device according to claim 3, wherein the flow directing structure comprises:
a plurality of air inlets formed on the housing;
an air outlet formed in the housing between the receiving sleeve and the proximal end portion and communicating with the receiving cavity, and the at least one sidewall through-hole and the air outlet correspond in position to communicate with each other;
a first aerosol-receiving zone, the first aerosol-receiving zone being an annular space located within the housing and communicating at both ends with the plurality of gas inlets and the gas outlet, respectively; and
a second aerosol receiving area comprised of the central cavity and the at least one sidewall through-hole.
5. An aerosol generating device according to claim 4, wherein:
the plurality of intake ports are formed on an end surface of the distal end portion; and
the first aerosol-receiving region extends in the axial direction from the distal end portion to the proximal end portion.
6. An aerosol generating device according to claim 4, wherein:
the plurality of intake ports are formed on an axial side wall of the housing at positions adjacent to an inner end side of the accommodation chamber; and
the first aerosol-receiving region is an annular space surrounding the receiving sleeve.
7. An aerosol generating device according to claim 2, wherein the functional section comprises an aerosol optimizing element adjacent the hollow tube section, and a filter element.
8. An aerosol generating device according to claim 7, wherein the aerosol optimizing element is made of a temperature reducing material.
9. An aerosol generating device according to claim 7, wherein the aerosol optimizing element is made of a soft material containing a humectant or a flavoring agent.
10. An aerosol generating device according to claim 2, wherein the aerosol generating article further comprises an outer wrapper wrapped outside the substrate section, the hollow tube section and the functional section, the outer wrapper being formed with an outer through-hole at a location corresponding to the at least one sidewall through-hole.
11. An aerosol generating device according to claim 10, wherein the outer wrapper is made of a material that is permeable to fluid.
12. An aerosol generating device according to claim 3, wherein a circumferentially inner side wall of the proximal end portion is provided with a sealing element to seal when the aerosol generating article is inserted into the receiving cavity.
13. An aerosol generating device according to claim 1, wherein the receiving sleeve is made of a metal, an alloy or a thermally conductive material with a surface metal coating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021453637.3U CN212877594U (en) | 2020-07-22 | 2020-07-22 | Aerosol generating device with flow guide structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021453637.3U CN212877594U (en) | 2020-07-22 | 2020-07-22 | Aerosol generating device with flow guide structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114052296A (en) * | 2021-11-23 | 2022-02-18 | 深圳麦时科技有限公司 | Aerosol matrix structure and aerosol generating device |
| CN115211587A (en) * | 2021-04-19 | 2022-10-21 | 中国烟草总公司郑州烟草研究院 | Aerosol generating product capable of modulating fragrance substance release and method thereof |
| WO2022253067A1 (en) * | 2021-06-04 | 2022-12-08 | 中国烟草总公司郑州烟草研究院 | Aerosol generating device |
| WO2023060934A1 (en) * | 2021-10-12 | 2023-04-20 | 深圳市吉迩科技有限公司 | Temperature storing aerosol-generating product and aerosol-generating system |
| WO2023060930A1 (en) * | 2021-10-12 | 2023-04-20 | 深圳市吉迩科技有限公司 | Aerosol generating product and aerosol generating system |
-
2020
- 2020-07-22 CN CN202021453637.3U patent/CN212877594U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115211587A (en) * | 2021-04-19 | 2022-10-21 | 中国烟草总公司郑州烟草研究院 | Aerosol generating product capable of modulating fragrance substance release and method thereof |
| WO2022253067A1 (en) * | 2021-06-04 | 2022-12-08 | 中国烟草总公司郑州烟草研究院 | Aerosol generating device |
| WO2023060934A1 (en) * | 2021-10-12 | 2023-04-20 | 深圳市吉迩科技有限公司 | Temperature storing aerosol-generating product and aerosol-generating system |
| WO2023060930A1 (en) * | 2021-10-12 | 2023-04-20 | 深圳市吉迩科技有限公司 | Aerosol generating product and aerosol generating system |
| CN114052296A (en) * | 2021-11-23 | 2022-02-18 | 深圳麦时科技有限公司 | Aerosol matrix structure and aerosol generating device |
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