WO2020134767A1 - Bowl assembly and flue-cured electronic cigarette - Google Patents

Abstract

Disclosed are a bowl assembly and a flue-cured electronic cigarette. The bowl assembly comprises a housing (11), wherein the housing (11) is provided with a first bowl body (13A) and a second bowl body (13B); the first bowl body (13A) stores a smoke-generating material, and the second bowl body (13B) is provided with a heating device (14); a heat conduction device (15) is provided between the first bowl body (13A) and the second bowl body (13B); after heating air, the heating device (14) transmits a generated hot airflow to the heat conduction device (15), and the hot airflow through the heat conduction device (15) heats the first bowl body (13A) and the smoke-generating material stored in the first bowl body (13A); and a first cavity (11A) is provided between an inner wall of the housing (11) and an outer wall of the housing (11), and the first cavity (11A) extends from an air outlet end to an air inlet end of the housing (11). The bowl assembly has a high heating efficiency, the smoke temperature is basically kept consistent when smoking, and the taste is good.

Description

Smoke pot assembly and flue-cured electronic cigarette Technical field

The invention relates to the technical field of smoking simulation, in particular to a smoke pot assembly and flue-cured electronic cigarette.

Background technique

Flue-cured tobacco electronic cigarette is a kind of flue-cured tobacco product. It is a kind of tobacco shreds that is stored in a tobacco pot. By heating the tobacco pot, the tobacco shreds are baked. After the tobacco shreds are baked, the nicotine in the tobacco shreds is evaporated to form nicotine-containing smoke. At this time, the user sucks the cigarette holder, sucks the external air into the electronic cigarette and passes through the cigarette pot, thereby driving the smoke into the mouth of the person.

At present, the dry roasting electronic cigarette products on the market, the heating and baking technology mainly uses heat transfer to transfer and exchange heat. Specifically, a heating element directly transmits the temperature to the object to be baked (such as a smoking substance) The following heating methods have the following problems: heating around the heating element, the temperature is heated from the outside to the inside, the space density of the object to be baked is large, and the thermal conductivity is poor, so the temperature cannot be fully transmitted, which directly causes the periphery of the baked object to be fully baked and the interior Can not be fully baked and burned, so that the object to be baked is not fully burned, so the amount of smoke is small and the taste is light, resulting in a poor user experience.

Summary of the invention

To this end, the technical problem to be solved by the present invention is to overcome the problems of uneven baking, small smoke amount, and light taste resulting in poor user experience in the prior art, thereby providing a smoke pot assembly and flue-cured tobacco with uniform heating and large smoke amount e-cigarette.

In order to solve the above technical problem, a smoke pot assembly of the present invention, a first pot body and a second pot body are provided in the housing, wherein the first pot body stores smoke materials, and the first pot body is adjacent The second pot body is disposed at the air outlet end of the shell, the second pot body is adjacent to the air inlet end of the shell, the second pot body is provided with a heating device, the first pot body and the second A heat conduction device is provided between the pot bodies, the hot air flow generated by the heating device heating the air is transmitted to the heat conduction device, and the hot air flow passing through the heat conduction device is stored on the first pot body and stored in the The smoke-generating substance in the first pot body is heated; a first cavity is provided between the inner wall of the shell and the outer wall of the shell, and the first cavity enters from the air outlet end of the shell The gas end extends.

In an embodiment of the present invention, the heating device is a folding heating sheet, and the folding heating sheet is disposed in the second pot body in a circuitous manner.

In an embodiment of the present invention, the heating device is a mesh-shaped heating element, and the heating device is provided with at least two ventilation holes, and the hot air flow passes through the ventilation holes and is in the second pot body Form air convection.

In one embodiment of the present invention, the heat conduction device is a metal mesh.

In an embodiment of the invention, a second air inlet is provided at the bottom of the second pot body.

In an embodiment of the present invention, an electrode contact piece is provided on the second pot body, and the electrode contact piece is connected to the heating device, and the electrode contact piece includes a first electrode contact piece and a second electrode Contact pieces, and the first electrode contact piece and the second electrode contact piece are respectively connected to the positive and negative electrodes of the power supply.

In an embodiment of the present invention, a protrusion is provided on the second pot body, and a second insulating sleeve is installed on the protrusion.

In an embodiment of the present invention, it further includes a mounting seat connected to the housing, the mounting seat is provided with a first air inlet, and the first air inlet and the second pot body The second air inlet is in communication.

In an embodiment of the present invention, at least two second cavities are provided between the mounting base and the second pot body, wherein one cavity is located at the bottom of the mounting base and the second pot body Between the walls, another cavity is located between the mounting seat and the side wall of the second pot body.

The invention also discloses a roasting electronic cigarette, including any of the above-mentioned smoke pot components.

Compared with the prior art, the above technical solution of the present invention has the following advantages:

The smoke pot assembly and the flue-cured electronic cigarette of the present invention are provided with a first smoke pot and a second smoke pot, which uses a combination of air heating and direct contact heating to heat the smoke-generating substance, and the heating efficiency is higher. A first cavity is provided between the inner wall of the housing and the outer wall of the housing, and the first cavity extends from the air outlet end of the housing to the air inlet end, and the first cavity can serve as a partition The heat cavity is beneficial to avoid the loss of heat, so that the heat flows to the first pot body, so that the cut tobacco is heated more fully and evenly.

BRIEF DESCRIPTION

In order to make the content of the present invention easier to understand clearly, the present invention will be further described in detail in accordance with specific embodiments of the present invention and the accompanying drawings, in which

FIG. 1 is a perspective schematic view of the smoking pot assembly of the present invention;

2 is an exploded schematic view of the smoke pot assembly of the present invention;

3 is a cross-sectional view of the smoke pot assembly of the present invention;

4 is a perspective cross-sectional view of the smoking pot assembly of the present invention.

Description of drawings in the manual: 11-housing, 11A-first cavity, 11B-second cavity, 11C-card slot, 11D-inner wall, 11E-outer wall, 12-mounting seat, 12A-buckle body, 13A- First pot body, 13B-second pot body, 13C-projection, 14-heating device, 15-heat conduction device, 15A-projection, 16A-first insulation sleeve, 16B-second insulation sleeve, 17-electrode Contact piece, 18A-first air inlet, 18B-second air inlet.

detailed description

Example one

As shown in FIG. 1 and FIG. 2 and FIG. 3, this embodiment provides a smoke pot assembly including a housing 11, the housing 11 is provided with a first pot body 13A and a second pot body 13B, wherein The first pot body 13A stores a smoke-generating substance, and the first pot body 13A is disposed adjacent to the air outlet end of the housing 11, wherein adjacently disposed refers to the air inlet end of the housing 11, the second pot The body 13B is closer to the air outlet end of the housing 11, and the second pot body 13B is adjacent to the air inlet end of the housing 11, wherein the adjacent setting refers to the air outlet end of the housing 11, the first pot The body 13A is closer to the intake end of the housing 40, the second pot 13B is provided with a heating device 14, and a heat conduction device 15 is provided between the first pot 13A and the second pot 13B. The hot air flow generated after the heating device 14 heats the air is transmitted to the heat conduction device 15, and the hot air flow passing through the heat conduction device 15 affects the first pot 13A and is stored in the first pot 13A The smoking material inside is heated; a first cavity 11A is provided between the inner wall 11D of the housing 11 and the outer wall 11E of the housing 11, and the first cavity 11A is formed by the housing 11 The outlet end extends toward the inlet end.

In the smoke pot assembly of this embodiment, the housing 11 is generally cylindrical with an upper and lower opening. In this embodiment, the bottom opening serves as the intake end, and the top opening serves as the outlet end. In other embodiments, the The housing 11 may have different shapes, and the opening position thereof may have different options, which is not limited. In this embodiment, the housing 11 is provided with an inner wall 11D and an outer wall 11E along its circumferential direction, and a gap is provided between the inner wall 11D and the outer wall 11E as a first cavity 11A. Further, the upper end of the inner wall 11D It is hermetically connected to the upper end of the outer wall 11E. The lower end of the inner wall 11D and the lower end of the outer wall 11E are not connected to form an opening communicating with the heat-insulating cavity. Further, the lower end of the inner wall 11D is axially opposite The lower end of the outer wall 11E is closer to the air outlet, which is more convenient for the installation of the second pot 13B and the mounting base 12 and other components, and is also conducive to the formation of a heat insulating cavity with a reasonable structure.

In the smoke pot assembly of this embodiment, the housing 11 is provided with a first pot body 13A and a second pot body 13B, wherein the first pot body 13A stores a smoking substance, and the first pot body 13A Adjacent to the air outlet end of the housing 11, the second pot 13B is adjacent to the air inlet end of the housing 11, and a heating device 14 is provided in the second pot 13B. When in use, When power is supplied to the heating device 14, the heating device 14 actively generates heat, and a heat conduction device 15 is provided between the first pot 13A and the second pot 13B, and the heating device 14 is The hot air flow generated after the air is heated is transmitted to the heat conduction device 15, and the heat conduction device 15 can allow the hot air flow to pass through and reach the first pot 13A, because all the heat sources of the heat conduction device 15 come from After the airflow passing through the heating device 14 is heated, the heat conduction device 15 is reheated by the hot airflow, the hot airflow is the main heat source, so the heat conduction device 15 is directed to the first pot 13A Auxiliary heating of the smoke generating material; the airflow heated by the heating device 14 has sufficient heating time to allow the airflow to reach a sufficient heating temperature to heat the heat conduction device 15, and the hot airflow passing through the heat conduction device 15 A pot body 13A and the smoking material stored in the first pot body 13A are heated, that is, the method of heating the smoke material by combining air heating and direct contact heating is not only high in heating efficiency, but also conducive to making shredded tobacco Is more fully and evenly heated, which helps to shorten the heating time and improve the taste; a first cavity 11A is provided between the inner wall 11D of the housing 11 and the outer wall 11E of the housing 11, and the first The cavity 11A extends from the air outlet end of the housing 11 to the air inlet end, and the first cavity 11A can be used as a heat insulation cavity, thereby helping to avoid heat loss and allowing heat to flow to the first pot body 13A Inside, so that the cut tobacco is heated more fully and evenly.

In this embodiment, the heating device 14 is a mesh-shaped heating element. Further, it can be selected as a foldable heating sheet, which is beneficial to maintain sufficient contact and a large contact area, so that the airflow can be fully preheated. The foldable heating sheet is in a wave shape, and is disposed in the second pot 13B in a circuitous manner. The heating device 14 is provided with at least two ventilation holes, and the hot airflow passes through the ventilation holes and forms air convection in the first pot body 13A and the second pot body 13B, thereby facilitating the airflow to be obtained Full warm-up. The heating device 14 may be a mesh-shaped heating element, and the heat-conducting device 15 is further provided with a sheet-shaped protrusion 15A, through which the heat-conducting device 15 can be firmly fixed on the first Between the pot 13A and the second pot 13B, avoid shaking. The heat conduction device 15 is a metal mesh. Since the metal mesh can auxiliary heat the smoke-generating substance in the second pot 13B, the metal mesh can be made of a material with good thermal conductivity, such as copper, steel, or other materials. For example, if a stainless steel mesh is used, the stainless steel mesh itself can conduct heat but does not need to be energized. In addition, its mesh structure can pass through the airflow heated by the heating device 14 to store the first pot 13A and the The smoke material in the one-pot body 13A is heated.

The first pot 13A is provided with a first insulating sleeve 16A, and the first pot 16A is used to separate the first pot 13A from the housing 11; the second pot 13B A protruding portion 13C is provided on the protruding portion 13C, and a second insulating sleeve 16B is installed on the protruding portion 13C. The second insulating sleeve 16B can not only play a buffering role during assembly, but also seal the air, and also Has heat insulation effect.

An electrode contact piece 17 is provided on the second pot 13B, and the electrode contact piece 17 is connected to the heating device 14. The electrode contact piece 17 is used to electrically connect the heating device 14. Specifically, the electrode contact piece 17 includes a first electrode contact piece and a second electrode contact piece, the first electrode contact piece and the second electrode contact piece are disposed oppositely, and the first electrode contact piece and the second electrode The contact pieces are respectively connected to the positive and negative electrodes of the power supply, for example, the first electrode contact piece and the second electrode contact piece are respectively in contact with the positive and negative electrodes of the battery output.

As shown in FIGS. 3 and 4, the smoke pot assembly further includes a mounting base 12, and a second cavity 11B is provided between the mounting base 12 and the second pot body 13B, and the second cavity 11B It can also be used as a heat insulation cavity to avoid the heat loss generated by the second pot 13B, so that the heat flows into the first pot 13A, so that the heating of the cut tobacco is more sufficient and uniform, which is beneficial to the heating of the cut tobacco It is more full and uniform, which helps to shorten the heating time and improve the taste. Specifically, at least two second cavities 11B are provided between the mounting base 12 and the second pot body 13B, one of which is located on the bottom wall of the mounting base 12 and the second pot body 13B Between them, another cavity is located between the mounting base 12 and the side wall of the second pot body 13B, so that the loss of heat can be avoided, and all the heat flows into the first pot body 13A. The mounting base 12 is connected to the housing 11 to form an outer shell of the smoke pot assembly, and the mounting base 12 is used to fix the first pot body 13A, the heat conduction device 15, and the second pot body 13B to the Inside the housing 11. The mounting base 12 is provided with a first air inlet 18A, and the first air inlet 18A communicates with the second air inlet 18B of the second pot 13B, thereby facilitating airflow from the installation The seat 12 enters the second pot 13B. Specifically, the first air inlet 18A may be provided on one side of the mounting base 12, and the second air inlet 18B may be provided at the center of the bottom of the second pot 13B, so that the air flow The mounting base 12 enters the second pot 13B. In order to improve the fluidity of the airflow, the first air inlet 18A is provided with a chamfer, and the second air inlet 18B is provided with a rounded corner, so as to ensure the smoothness of the airflow. Specifically, in the first inlet The air inlet 18A is provided with a chamfer of 0.7 mm, and the second air inlet 18B is provided with a 0.5 mm internal fillet. In order to enhance the fluidity of the airflow, the number of the second intake air 18B may also be set to at least two, and the diameters are different. Specifically, three second air inlet holes 18B are designed, and their diameters are 2 mm, 1.5 mm, and 3.5 mm, respectively, so that the airflow can be better passed. In other embodiments not shown, three or more second air inlet holes 18B are provided, the second air inlet holes 18B are arranged at the bottom of the second pot body 13B, and the adjacent second air inlet holes 18 The spacing is equal. In other embodiments that are not shown, the adjacent second air inlet holes 18 are unequal in distance or partly equal, and partly unequal.

In this embodiment, the shell 11 and the mounting base 12 are made of PEEK (polyether ether ketone) material; the first pot 13A and the second pot 13B are made of high-temperature resistant and heat-insulating materials. Alternatively, the use of zirconia or alumina material can significantly reduce heat loss. The first insulating sleeve 16A and the second insulating sleeve 16B may use insulating materials such as silica gel and rubber. It can be understood that in other embodiments, the housing 11 and the mounting base 12 may also be made of hard materials such as glass.

In this embodiment, the installation sequence of the smoke pot assembly is as follows: first install the first insulating sleeve 16A on the first pot body 13A, and then install the first insulating sleeve 16A The first pot body 13A is installed in the housing 11; continue to install the heat conduction device 15 in the housing 11 so that the heat conduction device 15 and the first pot body 13A abut each other; The second insulating sleeve 16B is installed on the second pot body 13B, and then the second pot body 13B with the second insulating sleeve 16B is installed in the housing 11 so that the The second pot body 13B and the heat-conducting device 15 abut each other; finally, the mounting seat 12 is inserted into the housing 11 through the snap body 12A on the mounting seat 12 and the housing 11 The card slots 11C are connected to each other. The buckle body 12A and the chuck groove 11C can be detachable, so that the tobacco, the heating device 14 and the heat conduction device 15 can be easily replaced; the buckle body 12A and the chuck groove 11C It can also be set to a fixed type, so that the tobacco can be easily replaced.

The working principle of the smoke pot assembly in this embodiment is as follows: when in use, when the electrode contact piece 17 is energized, since the electrode contact piece 17 is connected to the heating device 14, the heating device 14 will produce After the heat and air enter the second pot 13B from the mounting base 12, they are first heated by the heating device 14, and the generated hot air contacts the heat conduction device 15 to heat the heat conduction device 15 and then pass through The heat transfer device 15 enters the first pot 13A, and heats the smoke-generating substance stored in the first pot 13A. Under the power of the smoke pot assembly (50-80W), the heating device 14 can reach 500°C in 3-5 seconds, the average temperature will reach about 180°C, and the temperature rises very quickly, so this kind of smoke pot only takes 5 seconds The heating of the smoking substance can be completed on the left and right, and the heating efficiency is very high; in addition, the smoking substance is heated by the airflow, the smoking substance will be heated very uniformly, the smoke temperature is basically the same when smoking, and the taste is very good.

In this embodiment, the heating temperature of the heating device 14 can be controlled by pure software, and the heating temperature of the heating device 14 can be controlled by a chip program provided on the main board of the electronic cigarette, and then the actual heated air temperature can be calculated. Since all the heat of the heat conduction device 15 comes from the airflow passing through the heating device 14 after being heated, the heat conduction device 15 is reheated by the hot airflow, and the hot airflow is the main heat source, so the heat conduction device 15 is The smoke-generating substance in the first pot body 13A is auxiliary heated, and the smoke-generating substance, such as smoke material, will be heated very uniformly, and the smoke temperature is basically kept the same when smoking, and the taste is very good.

The above method for controlling the heating of the heating device 14 by pure software is as follows:

Step S1: When the main board receives the cigarette lighter signal, control the heating device 14 to heat;

Step S2: the moment the cigarette lighter signal is received, the instantaneous power of the heating device 14 is maximized Pmax (the maximum power at which the current voltage of the battery can match the resistance value of the heating wire), and lasts for N seconds;

Step S3: After N seconds, the output power of the heating device 14 is reduced, thereby reducing the temperature of the air heated by the heating device 14, at this time outputting a constant power P, P <Pmax, and maintaining M seconds, M is greater than or equal to N;

Step S4: The main board calculates the interval time T between two cigarette lighter signals. If T ≥ S seconds, it is judged that this is the initial puff. Repeat steps S1-S3; if T <S seconds, then judge For continuous suction, continue to perform power output in step S3.

Example 2

This embodiment provides a roasting electronic cigarette, including the smoking pot assembly described in the first embodiment.

The roasting electronic cigarette described in this embodiment includes all the advantages of the smoking pot assembly of the first embodiment since the smoking pot assembly of the first embodiment is also included in the roasting electronic cigarette.

Obviously, the above example is only an example for clear explanation, not a limitation on the implementation. For those of ordinary skill in the art, other different forms of changes or changes can be made based on the above description. There is no need to exhaustively list all implementations. The obvious changes or changes derived from this are still within the protection scope created by the present invention.

Claims (10)

A smoke pot assembly includes a housing provided with an air inlet end and an air outlet end, and is characterized in that: a first pot body and a second pot body are provided in the shell, wherein the first pot body stores smoke-generating substances, The first pot body is adjacent to the air outlet end of the housing, the second pot body is adjacent to the air inlet end of the housing, and the second pot body is provided with a heating device, A heat conduction device is provided between the first pot body and the second pot body, the hot air flow generated by the heating device heating the air is transmitted to the heat conduction device, and the hot air flow passing through the heat conduction device The first pot body and the smoking substance stored in the first pot body are heated; a first cavity is provided between the inner wall of the housing and the outer wall of the housing, and the first cavity The cavity extends from the air outlet end of the housing to the air inlet end. The smoking pot assembly according to claim 1, wherein the heating device is a foldable heating sheet, and the foldable heating sheet is disposed in the second pot body in a circuitous manner. The smoke pot assembly of claim 1, wherein the heating device is a mesh-shaped heating element, and the heating device is provided with at least two ventilation holes, and the hot air flow passes through the ventilation holes and The first pot body and the second pot body form air convection. The smoke pot assembly according to claim 1, wherein the heat conduction device is a metal mesh. The smoke pot assembly according to claim 1, wherein a second air inlet is provided at the bottom of the second pot body. The smoking pot assembly according to claim 1, wherein an electrode contact piece is provided on the second pot body, and the electrode contact piece is connected to the heating device, and the electrode contact piece includes a first electrode contact And the second electrode contact piece, and the first electrode contact piece and the second electrode contact piece are respectively connected to the positive and negative electrodes of the power supply. The smoke pot assembly according to claim 6, wherein a protrusion is provided on the second pot body, and a second insulating sleeve is installed on the protrusion. The smoke pot assembly according to claim 1, further comprising a mounting seat connected to the housing, the mounting seat is provided with a first air inlet, and the first air inlet and the The second air inlet of the second pot body communicates. The smoke pot assembly of claim 1, wherein at least two second cavities are provided between the mounting base and the second pot body, one of the cavities is located between the mounting base and the first Between the bottom wall of the second pot body, another cavity is located between the mounting seat and the side wall of the second pot body. A roasting electronic cigarette, characterized in that it comprises the smoking pot assembly according to any one of claims 1-9.

Images