Aerosol-generating device

Abstract

The utility model relates to the technical field of smoking sets, and discloses an aerosol generating device, a heater comprises a cylinder with a side wall and a bottom wall, the side wall and the bottom wall jointly define a containing cavity with an opening, and the containing cavity is used for containing at least one part of an aerosol generating product; the air inlet hole is formed in the bottom wall and is communicated with the accommodating cavity; the protruding part is arranged on the side, close to the containing cavity, of the bottom wall and extends from the edge of the air inlet hole to the side wall; when at least one part of the aerosol generating product is contained in the containing cavity, the protruding part abuts against the end face of the aerosol generating product, and the protruding part, the bottom wall and the end face of the aerosol generating product jointly define a transition cavity. The transverse and longitudinal diffusion and uniform mixing speed of air at the bottom of the cigarette can be accelerated, so that the aerosol generating device always keeps a relatively good smoking taste.

Description

Technical Field

[0001] The embodiments of the present application relate to the technical field of smoking articles, and in particular to an aerosol generating device. Background Art

[0002] A certain space is usually required near the bottom of the cigarette inside the aerosol generating device to mix the air coming from the outside, so that the aerosol generating device has a more consistent taste.

[0003] However, in the related art, the diffusion speed and mixing speed of the air in the space at the bottom of the cigarette are relatively slow, resulting in poor consistency of the smoking taste and a poor experience. Utility Model Content

[0004] The embodiment of the present application provides an aerosol generating device, which can accelerate the diffusion and mixing speed of the air at the bottom of the cigarette, so that the aerosol generating device always maintains a good smoking taste.

[0005] On the one hand, an embodiment of the present application provides a heater, comprising: a tube having a side wall and a bottom wall, the side wall and the bottom wall together defining a accommodating cavity having an opening, the accommodating cavity being used to accommodate at least a portion of an aerosol generating product; an air inlet hole, the air inlet hole being opened on the bottom wall and connected to the accommodating cavity; at least one protrusion, the protrusion being arranged on a side of the bottom wall close to the accommodating cavity and extending from the edge of the air inlet hole to the side wall; wherein, when at least a portion of the aerosol generating product is accommodated in the accommodating cavity, the protrusion abuts against the end face of the aerosol generating product, and the protrusion, the bottom wall and the end face of the aerosol generating product together define a transition cavity.

[0006] In some embodiments, the protrusion extends from the edge of the air inlet to the inner surface of the side wall.

[0007] In some embodiments, a cross-sectional area of ​​the protrusion in a direction perpendicular to the bottom wall gradually increases from the edge of the air inlet hole toward the side wall.

[0008] In some embodiments, the outer periphery of the bottom wall includes at least one opening, and the opening is located between two adjacent protrusions.

[0009] In some embodiments, the opening is disposed at the junction of the side wall and the bottom wall.

[0010] In some embodiments, three protrusions are provided on the bottom wall, and one opening is provided between every two adjacent protrusions.

[0011] In some embodiments, the cross-sectional area of ​​the transition cavity gradually increases from the bottom wall toward the accommodating cavity.

[0012] In some embodiments, the bottom and top of the protrusion are connected by at least one inclined surface, and the width of the bottom of the protrusion is greater than the width of the top.

[0013] In some embodiments, the angle between the inclined surface and a surface of the bottom wall close to the accommodating cavity is 120°-170°.

[0014] In some embodiments, the aerosol generating device further comprises a heating needle; the heating needle is penetrated through the air inlet.

[0015] The beneficial effects of the embodiments of the present application include at least:

[0016] The embodiment of the present application provides an aerosol generating device, comprising: a tube having a side wall and a bottom wall, the side wall and the bottom wall jointly define a receiving chamber having an opening, the receiving chamber being used to receive at least a portion of the aerosol generating product; an air inlet hole is provided on the bottom wall, and the air inlet hole is connected to the receiving chamber; at the same time, a protrusion is provided on the bottom wall, and the protrusion extends toward the side wall along the edge of the air inlet hole; when at least a portion of the aerosol generating product is received in the receiving chamber, the protrusion abuts against the end face of the aerosol generating product, and the protrusion, the bottom wall and the end face of the aerosol generating product jointly define a transition chamber. When external air enters the transition chamber through the air inlet hole, the protrusion can separate the air entering the transition chamber on both sides of the protrusion, thereby accelerating the horizontal and vertical diffusion and mixing speed of the air at the bottom of the cigarette, thereby enabling the aerosol generating device to always maintain a good smoking taste. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0018] Figure 1 It is a structural schematic diagram of an aerosol generating device provided in one embodiment of the present application.

[0019] Figure 2 It is a schematic diagram of the structure of a cylinder provided in one embodiment of the present application.

[0020] Figure 3 It is a partial structural schematic diagram of an aerosol generating device provided in one embodiment of the present application.

[0021] Figure 4It is a cross-sectional schematic diagram of the cooperation between a partial structure of an aerosol generating device provided in one embodiment of the present application and an aerosol generating product.

[0022] Figure 5 It is a cross-sectional schematic diagram of a partial structure of an aerosol generating device provided in one embodiment of the present application.

[0023] Figure 6 It is a schematic structural diagram of a protrusion provided in one embodiment of the present application.

[0024] Figure 7 It is a schematic diagram of the structure of a cylinder provided in another embodiment of the present application.

[0025] Figure 8 It is a partial structural schematic diagram of an aerosol generating device provided in another embodiment of the present application.

[0026] Fig. 9 yes Figure 8 A schematic cross-sectional view of a partial structure of an aerosol generating device shown in another perspective.

[0027] Fig.10 yes Fig. 9 An enlarged view of part A of the structure is shown.

[0028] Fig.11 It is a schematic structural diagram of a protrusion provided in another embodiment of the present application.

[0029] Fig.12 It is a partial structural schematic diagram of an aerosol generating device provided in yet another embodiment of the present application.

[0030] The reference numerals are as follows:

[0031] 1-tube; 11-side wall; 12-bottom wall; 13-accommodating chamber;

[0032] 2- Air inlet;

[0033] 3-protrusion; 31-first section; 32-second section; 33-inclined surface; 34-bottom; 35-top;

[0034] 4- Transition cavity;

[0035] 5-Opening;

[0036] 6-Fever needle;

[0037] 100 - aerosol generating device; 200 - aerosol generating product; 201 - end face.

[0038] a-angle. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0040] The terms "first", "second", "third" in this application are only used for descriptive purposes, and cannot be understood as indicating or suggesting the quantity or order of the indicated technical features relative to importance or implicitly indicating. In the embodiments of the present application, all directional indications (such as up, down, left, right, front, back ...) are only used to explain the relative position relationship or movement between the components under a certain specific posture (as shown in the accompanying drawings), and if the specific posture changes, the directional indication also changes accordingly. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or equipment comprising a series of steps or units is not limited to the steps or units listed, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or equipment.

[0041] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0042] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be one or more central elements therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0043] See also Figure 1 , Figure 2 , Figure 3 and Figure 4The embodiment of the present application provides an aerosol generating device 100, characterized in that it includes: a barrel 1 having a side wall 11 and a bottom wall 12, the side wall 11 and the bottom wall 12 jointly defining a housing chamber 13 having an opening 5, the housing chamber 13 being used to accommodate at least a portion of the aerosol generating product 200; an air inlet 2, the air inlet 2 being opened on the bottom wall 12 and communicating with the housing chamber 13; at least one protrusion 3, the protrusion 3 being arranged on a side of the bottom wall 12 close to the housing chamber 13, and extending from the edge of the air inlet 2 to the side wall 11; wherein, when at least a portion of the aerosol generating product 200 is accommodated in the housing chamber 13, the protrusion 3 abuts against an end face 201 of the aerosol generating product 200, and the protrusion 3, the bottom wall 12 and the end face 201 of the aerosol generating product 200 jointly define a transition chamber 4. The air inlet hole 2 is provided on the bottom wall 12, and the air inlet hole 2 is connected with the accommodating chamber 13; at the same time, a protrusion 3 is provided on the bottom wall 12, and the protrusion 3 extends toward the side wall 11 along the edge of the air inlet hole 2; when at least a part of the aerosol generating product 200 is accommodated in the accommodating chamber 13, the protrusion 3 abuts against the end face 201 of the aerosol generating product 200, and the protrusion 3, the bottom wall 12 and the end face 201 of the aerosol generating product 200 jointly define a transition chamber 4. When external air enters the transition chamber 4 through the air inlet hole 2, the protrusion 3 can separate the air entering the transition chamber 4 on both sides of the protrusion 3, thereby accelerating the diffusion and mixing speed of the air from the air inlet hole 2 to the side wall 11 (i.e., in the horizontal direction) and from the side of the transition chamber 4 close to the bottom wall 12 to the end face 201 of the aerosol generating product 200 (i.e., in the longitudinal direction), thereby enabling the aerosol generating device 100 to always maintain a good inhalation taste.

[0044] Optionally, the side wall 11 and the bottom wall 12 may be integrally arranged or separately arranged; when the side wall 11 and the bottom wall 12 are separately arranged, the periphery of the bottom wall 12 may be interference fit with the inner surface of the side wall 11. The aerosol generating article 200 refers to an article including an aerosol generating substrate, which is intended to be heated rather than burned to release volatile compounds that can form an aerosol, and when heated, the aerosol generating substrate releases volatile compounds that can form an aerosol. Compared with the aerosol generated by burning or pyrolytic degradation of the aerosol forming substrate, the aerosol formed by heating the aerosol forming substrate may contain fewer known hazardous components. In one embodiment, the aerosol generating article 200 can be removed or connected to the aerosol generating device 100. The aerosol generating article 200 may be disposable or reusable. The aerosol forming substrate may be a solid aerosol forming substrate. Alternatively, the aerosol forming substrate may include solid and liquid components. The aerosol-forming substrate may comprise tobacco and / or non-tobacco material; or the aerosol-forming substrate may comprise tobacco-containing material and / or non-tobacco material.

[0045] In some embodiments, see Figure 3 , Figure 4 and Figure 5 The protrusion 3 may extend from the edge of the air inlet 2 to the inner surface of the side wall 11 . Exemplarily, the aerosol generating product 200 is a cigarette. When the cigarette is inserted into the accommodating cavity 13, the end face 201 of the cigarette abuts against the side of the protrusion 3 away from the bottom wall 12, and the outer periphery of the cigarette is close to the inner surface of the side wall 11; at this time, the protrusion 3 extends from the edge of the air inlet hole 2 to the inner surface of the side wall 11, which can guide the air entering the transition cavity 4 from the air inlet hole 2, so that the air entering the transition cavity 4 from the air inlet hole 2 can quickly diffuse toward the side wall 11, so that the air in the entire transition cavity 4 can be quickly mixed, and the mixed air in the transition cavity 4 can enter the interior of the cigarette from the middle position and the periphery of the end face 201 of the cigarette at the same time, so that no matter whether it enters the interior of the cigarette from the middle position of the end face 201 of the cigarette or from the periphery of the end face 201 of the cigarette, the taste during smoking can be guaranteed, and this arrangement is conducive to improving the consistency of the taste of smoking.

[0046] In other embodiments, the protrusion 3 may also extend from the edge of the air inlet 2 to near the inner surface of the side wall 11 without contacting the inner surface of the side wall 11. This structure can also guide the air entering the transition chamber 4 from the air inlet 2, so that the air entering the transition chamber 4 from the air inlet 2 can quickly diffuse toward the side wall 11, so that the air in the entire transition chamber 4 can be quickly mixed.

[0047] In some embodiments, see Figure 3 , Figure 5 and Figure 6 , the cross-sectional area of ​​the protrusion 3 in the direction perpendicular to the bottom wall 12 can gradually increase from the edge of the air inlet 2 to the side wall 11. Exemplarily, the bottom wall 12 can be constructed in a circular shape, and the air inlet 2 is coaxial with the center of the bottom wall 12; the section closest to the air inlet 2 on the protrusion 3 is the first section 31, and the section farthest from the air inlet 2 is the second section 32; and the first section 31 is the smallest cross-section among the cross-sections perpendicular to the bottom wall 12 on the protrusion 3, and the second section 32 is the largest cross-section among the cross-sections perpendicular to the bottom wall 12 on the protrusion 3, and the cross-section perpendicular to the bottom wall 12 on the protrusion 3 gradually increases from the first section 31 to the second section 32. Thereby, the air entering the transition chamber 4 can be further diffused quickly from the vicinity of the air inlet 2 to the side wall 11, and the mixing speed of the air in the transition chamber 4 can be accelerated. Maintain a better suction taste and consistency of the suction taste.

[0048] In some embodiments, see Figure 2 and Figure 3, the periphery of the bottom wall 12 includes at least one opening 5, and the opening 5 is located between two adjacent protrusions 3. The periphery of the bottom wall 12 can be a position where the opening 5 is opened on the bottom wall 12, close to the periphery of the bottom wall 12; or a position where the opening 5 is opened on the side wall 11, close to the periphery of the bottom wall 12. The setting of the opening 5 needs to comprehensively consider the size of the transition chamber 4 and the texture of different aerosol generating products 200. For example, when the volume of the transition chamber 4 is small, in order to ensure that there is enough aerosol during inhalation, it is necessary to increase the amount of air entering the transition chamber 4 per unit time and the flow rate. At the same time, it is necessary to consider the density of tobacco in the cigarette. The size of the opening 5 and the number of the openings 5 ​​can be set according to the density of the tobacco to ensure that the inhalation resistance during inhalation is moderate, thereby ensuring the taste of the cigarette.

[0049] In other embodiments, the density of tobacco shreds in the cigarette is relatively low, and the volume of the transition cavity 4 is relatively large. In this case, the opening 5 may not be provided.

[0050] In some embodiments, see Figure 2 , Figure 3 , Figure 7 and Figure 8 The opening 5 is arranged at the junction of the side wall 11 and the bottom wall 12. The opening 5 is located at the junction of the bottom wall 12 and the side wall 11, which is conducive to the air entering the transition chamber 4 from the opening 5 to be quickly mixed with the air entering the transition chamber 4 from the air inlet 2, and then entering the interior of the aerosol generating product 200; and it is conducive to the air entering the transition chamber 4 from the opening 5 to be mixed with the air entering the transition chamber 4 from the air inlet 2 to a greater extent, and then entering the interior of the aerosol generating product 200. Thereby ensuring a better suction taste and consistency of taste.

[0051] In some embodiments, see Figure 3 The bottom wall 12 may be provided with three protrusions 3, wherein an opening 5 is provided between every two adjacent protrusions 3. This is more conducive to the air entering the transition chamber 4 from the opening 5 being quickly mixed with the air entering the transition chamber 4 from the air inlet 2, and then entering the interior of the aerosol generating product 200; and, this is more conducive to the air entering the transition chamber 4 from the opening 5 being mixed with the air entering the transition chamber 4 from the air inlet 2 to a greater extent, and then entering the interior of the aerosol generating product 200. This ensures a better suction taste and consistency of taste.

[0052] In some embodiments, see Figure 8 , Fig. 9 and Fig.10, the cross-sectional area of ​​the transition chamber 4 can be gradually increased from the bottom wall 12 to the accommodating chamber 13. This structure has a guiding effect on the air entering the transition chamber 4 from the air inlet 2 to diffuse from the bottom wall 12 to the accommodating chamber 13, which is conducive to the rapid diffusion of the air entering the transition chamber 4 from the air inlet 2 to the accommodating chamber 13; and it is conducive to improving the mixing degree of the air in the transition chamber 4. The air in the transition chamber 4 is quickly and highly mixed before entering the interior of the aerosol generating product 200, which is conducive to ensuring a better suction taste and consistency of taste.

[0053] In some embodiments, see Figure 8 , Fig. 9 , Fig.10 and Fig.11 , the bottom 34 and the top 35 of the protrusion 3 are connected by at least one inclined surface 33, and the width of the bottom 34 of the protrusion 3 is greater than the width of the top 35. Exemplarily, the protrusion 3 can be constructed such that both sides are inclined surfaces 33, the width of the bottom 34 is greater than the width of the top 35, and the angles a between the two inclined surfaces 33 and the side of the bottom wall 12 close to the accommodating cavity 13 are both obtuse angles. For example, the cross section of the protrusion 3 perpendicular to the bottom wall 12 can be a trapezoid, or the cross section of the protrusion 3 perpendicular to the bottom wall 12 can be an isosceles trapezoid; based on the above structure of the protrusion 3, the cross-sectional area of ​​the transition cavity 4 can be gradually increased from the bottom wall 12 to the accommodating cavity 13. In addition, when the angle a between the inclined surface 33 and the bottom wall 12 near the accommodating cavity 13 is an obtuse angle, the slope between the protrusion 3 and the bottom wall 12 is more gentle, and when tobacco and other debris fall into the transition cavity 4, the debris will not remain between the angle a formed by the side of the protrusion 3 and the bottom wall 12, and the debris in the transition cavity 4 can be easily and efficiently cleaned. For example, when the angle a between the inclined surface 33 and the bottom is a right angle or an acute angle, the debris at the angle a is more likely to remain, and the debris in the transition cavity 4 is not easy to clean.

[0054] In some embodiments, see Fig.10 and Fig.11 , the angle a between the inclined surface 33 and the side of the bottom wall 12 close to the accommodating cavity 13 can be 120°-170°. For example, the angle a between the inclined surface 33 and the bottom wall 12 can be 135°, so that the cross-sectional area of ​​the transition cavity 4 can be gradually increased from the bottom wall 12 to the accommodating cavity 13; the debris falling into the transition cavity 4 is not easy to remain between the angle a formed by the inclined surface 33 of the protrusion 3 and the bottom wall 12, and the debris in the transition cavity 4 can be cleaned more easily and efficiently.

[0055] In some embodiments, see Fig.12, the aerosol generating device 100 may further include a heating needle 6; the heating needle 6 is provided through the air inlet 2. That is, the aerosol generating device 100 can perform central heating, and when the cigarette is in contact with the protrusion 3, the heating needle 6 is inserted into the interior of the cigarette to heat the cigarette. When the aerosol generating device 100 performs central heating, there is a gap between the heating needle 6 and the inner edge of the air inlet 2, and air enters the transition chamber 4 from the gap. The hot air near the air inlet 2 can quickly diffuse in the direction of the side wall 11 and the direction of the accommodating chamber 13, and quickly mix with the relatively cold air in other places in the accommodating chamber 13. The temperature of the quickly mixed air is consistent. When the smoker inhales, the temperature of the aerosol formed can be guaranteed to be relatively consistent, thereby ensuring a better smoking taste and consistency of the smoking taste.

[0056] In some other embodiments, see Figures 1 to 11 The aerosol generating device 100 can be centrally heated or circumferentially heated. When the aerosol generating device 100 is circumferentially heated, the cold air entering the transition chamber 4 from the air inlet 2 can be mixed with the hot air entering the transition chamber 4 from the opening 5 (cold air and hot air are relatively cold and hot, which only represent the different temperatures of the air entering the transition chamber 4 from the two places), and then enter the interior of the cigarette to be heated, which is conducive to ensuring that the temperature of the aerosol formed is relatively consistent, thereby ensuring a better puffing taste and consistency of the puffing taste. When the aerosol generating device 100 is circumferentially heated, the heating element can be connected to the side wall 11, or the side wall 11 is the heating element. At this time, a safe distance between the cigarette and the side wall 11 needs to be ensured.

[0057] It should be noted that the preferred embodiments of the present application are given in the specification and drawings of the present application, but are not limited to the embodiments described in the specification. Furthermore, it is possible for a person of ordinary skill in the art to make improvements or changes based on the above description, and all such improvements and changes should fall within the scope of protection of the claims attached to the present application.

Claims

1. An aerosol generating device, characterized in that: include: a barrel having a side wall and a bottom wall, the side wall and the bottom wall jointly defining a receiving cavity having an opening, the receiving cavity being used to receive at least a portion of the aerosol generating article; An air inlet hole, which is opened on the bottom wall and communicates with the accommodating cavity; at least one protrusion, the protrusion being arranged on a side of the bottom wall close to the accommodating cavity and extending from an edge of the air inlet toward the side wall; When at least a portion of the aerosol generating article is accommodated in the accommodating cavity, the protrusion abuts against the end surface of the aerosol generating article, and the protrusion, the bottom wall and the end surface of the aerosol generating article together define a transition cavity.

2. The aerosol generating device according to claim 1, characterized in that: The protrusion extends from the edge of the air inlet to the inner surface of the side wall.

3. The aerosol generating device according to claim 1, characterized in that: The cross-sectional area of ​​the protrusion in a direction perpendicular to the bottom wall gradually increases from the edge of the air inlet hole to the side wall.

4. The aerosol generating device according to claim 1, characterized in that: The outer periphery of the bottom wall includes at least one opening, and the opening is located between two adjacent protrusions.

5. The aerosol generating device according to claim 4, characterized in that: The opening is arranged at the junction of the side wall and the bottom wall.

6. The aerosol generating device according to claim 5, characterized in that: Three protrusions are arranged on the bottom wall, wherein one opening is arranged between every two adjacent protrusions.

7. The aerosol generating device according to claim 1, characterized in that: The cross-sectional area of ​​the transition cavity gradually increases from the bottom wall toward the accommodating cavity.

8. The aerosol generating device according to claim 7, characterized in that: The bottom and the top of the protruding portion are connected via at least one inclined surface, and the width of the bottom of the protruding portion is greater than the width of the top.

9. The aerosol generating device according to claim 8, characterized in that: The included angle between the inclined surface and a surface of the bottom wall close to the accommodating cavity is 120°-170°.

10. The aerosol generating device according to claim 1, characterized in that The aerosol generating device also includes a heating needle; The heating needle is inserted into the air inlet.

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