CN216853823U - Heating smoking set for cigarette - Google Patents

Abstract

The utility model discloses a heating smoking set for cigarettes, which comprises a heating assembly, wherein the heating assembly comprises a first cavity and a heating element arranged in the first cavity, the first cavity is provided with a first air inlet part and an air outlet part, a cigarette material is arranged outside the first cavity, and the air outlet part is communicated with the cigarette material. According to the heating smoking set for the cigarette, the first cavity is designed to collect heat generated by the heating element, the heat is transferred to each position of the cigarette material in an air flow mode to heat the cigarette material, and the purposes of uniform heating of the cigarette material and good taste of smoke can be achieved.

Description

Heating smoking set for cigarette

Technical Field

The utility model relates to the technical field of flue-cured tobacco electronic cigarettes, in particular to a heating smoking set for cigarettes.

Background

At present, conventional flue-cured tobacco electronic cigarettes utilize the heating element to directly generate heat with the contact of tobacco material to heat and bake the tobacco material, resulting in that the heating temperature of each position of the tobacco material is not always, the tobacco material is heated unevenly, and the taste of the produced smoke is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heating smoking set for tobacco, which is used for solving the problems of uneven heating of tobacco materials of flue-cured electronic tobacco and poor smoke taste in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a heating smoking set for cigarette, includes smoking set main part and control assembly, the smoking set main part have the heat-generating body and with external communicating chamber of ventilating, the heat-generating body be equipped with ventilate a plurality of communicating gas pockets in chamber, the circular telegram back the control assembly is steerable the heat-generating body generates heat and produces the heat, and the air current can be followed ventilate the chamber and get into the drive the heat that the heat-generating body produced is followed the gas pocket is discharged and is heated to production smog to the tobacco material. It should be noted that, through designing the heating element and the ventilation cavity, the heat generated by the heating element is transferred to each position of the tobacco material to heat the tobacco material by the air flow passing through the ventilation cavity, so that the tobacco material is heated uniformly, and the purpose of good taste of the smoke is achieved.

In a preferred embodiment, the heating element comprises a heating element main body and an electric heating element, a first through hole and a groove matched with the contour of the electric heating element are formed in one end part of the heating element main body, the electric heating element is located in the groove, the electric heating element is electrically connected with the control assembly, and the ventilation cavity is located on one end part of the heating element main body. It should be noted that the electric heating element includes at least one of an electric heating wire and an electric heating tube.

In a preferred embodiment, the other end of the heating element main body is necked down and extended in the axial direction to form a heating element ligand, and each of the air holes is formed in an end portion of one end of the heating element ligand and leads into the groove. Wherein each air hole is arranged on one end part of the heating element ligand and communicated into the groove. It should be noted that, the heat generated by the electric heating element is concentrated in the groove and then directly discharged from the air hole along with the air flow, so that the heat utilization rate can be improved.

In a preferred embodiment, the control assembly includes a temperature sensor and a control board for controlling the electric heating element to generate heat, and the temperature sensor is located in a first through hole formed in an end portion of the heating body main body and is electrically connected to the control board. It should be noted that the temperature sensor can sense the heating temperature of the electric heating element, and when the temperature exceeds the set temperature, the temperature sensor can feed back the temperature information to the control board, so that the control board controls the electric heating element not to be heated, thereby playing the role of over-temperature protection.

In a preferred embodiment, the smoking set main part includes main part shell and electrode connecting piece, be formed with the cavity space in the main part shell, the control panel is installed in the cavity space, main part shell one end tip is equipped with the power key that is used for opening the smoking set power, the main part shell is kept away from power key one end is installed and is used for fixing the support of control panel, the open end has been seted up on the support, electrode connecting piece one end is followed the open end run through in the cavity space, the control panel negative pole with electrode connecting piece one end is connected. It should be noted that the electrode connecting member is made of a conductive metal material.

In a preferred embodiment, the outer wall of the electrode connecting piece, which is located outside the cavity space, is provided with a plurality of protruding extension bodies which are integrally formed with the electrode connecting piece and used for heat dissipation, the electrode connecting piece is provided with a first channel which is hollow inside, a conductive piece for conducting electricity is installed in the first channel, the positive electrode of the control panel is connected with the conductive piece, and a first insulating piece is arranged between the outer wall of the conductive piece and the inner wall of the first channel for isolation. Wherein, be located outside the cavity space electrode connecting piece outer wall be equipped with electrode connecting piece integrated into one piece is used for a plurality of convex extending bodies of radiating, needs to explain that, the heat that the smoking set during operation can produce, heat accessible electrode connecting piece conduct on the convex extending body then give off the external world.

In a preferred embodiment, the smoking set main part still includes the upper cover, upper cover one end tip is formed with first indent space, the through-hole has been seted up to first indent space roof, the electrode connecting piece other end is followed the through-hole inserts in the first indent space, electrode connecting piece other end connection has and is used for electrically conductive first electrode spare, inside hollow second passageway has been seted up to first electrode spare, the second passageway is equipped with the second insulating part, install the second electrode in the second insulating part, electrically conductive one end tip with second electrode one end tip looks butt.

In a preferred embodiment, the smoking set main body further includes a bottom cover, a second concave space is formed at one end of the bottom cover, a third opening is formed in the bottom wall of the second concave space, the heating element main body is installed on the bottom wall of the second concave space, the heating element ligand is exposed out of the bottom cover from the third opening, a heat insulation piece for heat insulation is installed at one end of the heating element main body, a fixing piece for fixing the heat insulation piece is installed on the heat insulation piece, and one end, far away from the end connected with the electrode connecting piece, of the first electrode piece is fixed on the fixing piece;

in a preferred embodiment, the upper cover is arranged on the periphery of one end of the bottom cover, and a gap between the inner peripheral wall of the first concave space and the outer peripheral wall of the bottom cover forms a gas port for gas inlet, and the gas port is communicated with the vent cavity; it should be noted that the outside air can enter the ventilation chamber through the air port.

In a preferred embodiment, the heat insulating member is provided with a plurality of second through holes communicated with the air holes, the fixing member is provided with fourth through holes corresponding to the second through holes, and the heat insulating member is made of a semiconductor material with good heat insulating property; wherein, the heat insulation piece is made of semiconductor material with good heat insulation performance; further preferably, the mica material is used for heat insulation and plays a role in insulation.

In a preferred embodiment, the vent cavity is defined by a first concave space formed at one end of the upper cover and a second concave space formed at one end of the lower cover.

In a preferred embodiment, the conductive member is provided with a third channel with a hollow interior, a temperature measuring tube is arranged in the third channel, one end of the temperature measuring tube penetrates through the third channel and the second electrode and is inserted into the first through hole, and the temperature sensor is installed in the temperature measuring tube.

In a preferred embodiment, one end of the second electrode is connected with an electrode fixing member for conducting electricity, the positive electrode of the electric heating element is connected with the electrode fixing member, and the negative electrode of the electric heating element is connected with the first electrode member.

It should be noted that a great number of technical features are described in the specification of the present application, and are distributed in various technical solutions, so that the specification is excessively long if all possible combinations of the technical features (i.e., technical solutions) in the present application are listed. In order to avoid this problem, the respective technical features disclosed in the above-mentioned utility model of the present application, the respective technical features disclosed in the following embodiments and examples, and the respective technical features disclosed in the drawings may be freely combined with each other to constitute various new technical solutions (these technical solutions are all considered to have been described in the present specification) unless such a combination of technical features is technically impossible. For example, in one example, the feature a + B + C is disclosed, in another example, the feature a + B + D + E is disclosed, and the features C and D are equivalent technical means for the same purpose, and technically only one feature is used, but not simultaneously employed, and the feature E can be technically combined with the feature C, so that the solution of a + B + C + D should not be considered as being described because the technology is not feasible, and the solution of a + B + C + E should be considered as being described.

The heating smoking set for the cigarette has the following beneficial effects: according to the heating smoking set for the cigarette, the first cavity is designed to collect heat generated by the heating element, the heat is transferred to each position of the cigarette material in an air flow mode to heat the cigarette material, and the aims of uniform heating of the cigarette material and good taste of smoke can be fulfilled.

Drawings

The present invention will be described in detail below with reference to the accompanying drawings so that the above advantages of the present invention will be more apparent. Wherein,

FIG. 1 is an exploded view of a heating smoking article for a cigarette of the present invention;

FIG. 2 is a schematic perspective view of a heated smoking article for a cigarette of the present invention;

FIG. 3 is a schematic cross-sectional view of a heated smoking article for use in association with the present invention;

FIG. 4 is an exploded view of the heating element of the heating smoking set for tobacco of the present invention;

FIG. 5 is a schematic view of the heating element of the heating smoking article for tobacco use of the present invention;

FIG. 6 is a schematic bottom view of the thermally conductive base of the heating smoking article for a cigarette of the present invention;

FIG. 7 is a schematic cross-sectional view of a heating assembly of the heating smoking article of the present invention;

figure 8 is an air flow pattern of the heated smoking article for a cigarette of the present invention.

Detailed Description

The following detailed description will be given with reference to the accompanying drawings and examples to explain how to apply the technical means to solve the technical problems and to achieve the technical effects. It should be noted that, as long as there is no conflict, the embodiments and the features in the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.

In the present embodiment, the term "smoking material" refers to a smoking material, which is a material that can generate an odor and/or nicotine and/or smoke upon heating or combustion, i.e., a material that can be atomized. The tobacco material can be solid, semi-solid and liquid. Solid tobacco materials are often processed into sheet-like products due to considerations such as breathability, assembly, and manufacture, and are also commonly referred to as sheet, and filamentary sheet is also referred to as sheet filament. The tobacco material discussed in the embodiments of the present invention may be natural or synthetic tobacco liquid, tobacco oil, tobacco gum, tobacco paste, tobacco shred, tobacco leaf, etc., for example, the synthetic tobacco material contains glycerin, propylene glycol, nicotine, etc. The tobacco liquid is liquid, the tobacco tar is oily, the tobacco gel is gelatinous, the tobacco paste is pasty, the tobacco shreds comprise natural or artificial or extracted tobacco shreds, and the tobacco leaves comprise natural or artificial or extracted tobacco leaves. The smoking material may be heated in the form of an enclosure with other materials, such as in a heat-degradable package, for example a microcapsule, from which the desired volatile material is derived after heating.

The tobacco material of the embodiment of the utility model may or may not contain nicotine. The tobacco material containing nicotine may include at least one of natural tobacco leaf product, tobacco liquid, tobacco oil, tobacco glue, tobacco paste, tobacco shred, tobacco leaf, etc. prepared from nicotine. The tobacco liquid is in water state, the tobacco tar is in oil state, the tobacco gum is in gel state, the tobacco paste is in paste state, the tobacco shred comprises natural or artificial or extracted tobacco shred, and the tobacco leaf comprises natural or artificial or extracted tobacco leaf. The nicotine-free tobacco material mainly contains fragrant substances, such as spices, and can be atomized to simulate smoking process and quit smoking. In one embodiment, the flavoring comprises peppermint oil. The smoking material may also include other additives such as glycerin and/or propylene glycol.

The embodiment of the utility model provides a heating smoking set for cigarettes, which is a device for providing electric energy to provide heat energy for tobacco materials.

The "heating element" according to the embodiment of the present invention refers to an element that generates heat energy by using electric energy or generates heat energy by using an eddy magnetic field generated by an electromagnetic induction magnetic field. That is, the heating element generates heat energy in a state of being energized, or generates heat energy in a magnetic field range formed by the electromagnetic induction coil.

In some embodiments, the heating smoking article for a cigarette includes a heating assembly 100, as shown in fig. 7, the heating assembly 100 includes a first chamber 2605 and a heating element 25 disposed within the first chamber 2605, the first chamber 2605 is provided with a first air inlet and an air outlet, the smoking material is disposed outside the first chamber 2605, and the air outlet is open to the smoking material. Wherein, the first air inlet part and the air outlet part can be holes or channels, etc. The tobacco material is established outside first cavity 2605, and with heating element 25 direct contact not, in the air current gets into first cavity 2605 from first inlet portion, the heat that heating element 25 produced along with the air current outflow portion of giving vent to anger, with heat transfer to each position of tobacco material, make the tobacco material be heated evenly, promote smog taste.

The heating element 25 is made of a conductive material, including but not limited to conductive metal, graphene, carbon nanomaterial, etc.

As shown in fig. 4-7, in some embodiments, the heating assembly 100 includes a first end wall 24, a second end wall 2609, and a first enclosing wall 2603, the first end wall 24 and the second end wall 2609 are disposed at two ends of the first enclosing wall 2603, the first end wall 24, the second end wall 2609, and the first enclosing wall 2603 enclose a first chamber 2605, and the first inlet portion and the outlet portion are disposed on the first end wall 24 and the second end wall 2609, respectively. In some examples, the second end wall 2609 and the first enclosure wall 2603 are integrally formed to form the thermally conductive base 26, and both are made of an insulating and thermally conductive material, including but not limited to ceramic, glass, quartz, to increase the heating area. In other examples, the first end wall 24 is made of a thermally insulating material, so that heat is retained as much as possible within the first chamber 2605 and conducted to the smoking material through the second end wall 2609 and the outlet. The heat insulating material includes, but is not limited to, mica, agate, jade, crystal, etc., preferably mica. The first end wall 24 and the first surrounding wall 2603 may be integrally formed, fixedly connected, or detachably connected.

In some embodiments, the first wall 2603 extends radially outward away from an end edge of the second wall 2609 to form a ledge 2610. First end wall 24 is provided on a fixed ledge 2610.

In some embodiments, the first air inlet portion includes a plurality of air inlet holes 2401, the air outlet portion includes a plurality of air outlet holes 2604, a projection of each air inlet hole 2401 from the first end wall 24 toward the second end wall 2609 is offset from each air outlet hole 2604, and the air inlet holes 2401 and the air outlet holes 2604 communicate through the first chamber 2605. Here, the projection of the air intake hole 2401 from the first end wall 24 toward the second end wall 2609 refers to a position where the air intake hole 2401 projects from the first end wall 24 to the second end wall 2609 in a vertical direction. By staggering the air inlet holes 2401 and the air outlet holes 2604, the hot air flows in the first cavity 2605 in a vortex manner, and the flowing path of the hot air is increased, so that the heat dissipation is reduced, and the heat utilization rate is improved.

As shown in fig. 1-3, in some embodiments, the heated smoking article for a cigarette includes a receptacle 29 for receiving a smoking material, the receptacle 29 having an open end (not shown), the receptacle 29 having a receiving cavity 2901 for filling with the smoking material, a second end wall 2609 for covering the open end of the receptacle 29, and a gas outlet portion (gas outlet hole 2604) facing the smoking material. Through the design, the heat of the second end wall 2609 and the hot air flow flowing out of the air outlet part (the air outlet hole 2604) can intensively heat the tobacco, so that the heat loss is reduced, the tobacco can quickly reach high temperature, and smoke is generated.

In some embodiments, the heating smoking set for tobacco includes a control component 200, a heat dissipation space 300 is provided between the control component 200 and the heating component 100, and the heat dissipation space 300 is a space formed by a spacing distance between the control component 200 and the heating component 100. The heat dissipation space 300 is used to reduce the heat of the heating element 100, reduce the temperature around the control element 200, and avoid the problem of damage or short life of the control element 200 caused by the heat transferred to the control element 200.

In some embodiments, the control assembly 200 is disposed at an end of the heating assembly 100 remote from the smoking material. Wherein, because of the main concentrated tobacco material that supplies with of heat that heating element 100 produced, consequently the tobacco material temperature is higher, and control assembly 200 establishes the one end of keeping away from the tobacco material at heating element 100, can keep away from the tobacco material, avoids control assembly 200 to be influenced life by high temperature.

In some embodiments, a plurality of fins 1601 are disposed within heat dissipation space 300. Wherein the heat sink 1601 is made of a heat conductive metal, including but not limited to aluminum sheet, copper sheet, etc. The heat sink 1601 may further be used to dissipate heat and reduce the temperature around the control assembly 200.

In some embodiments, the control assembly 200 includes a main body case 4 and a circuit control board 7 for controlling heating of the heating element 25, a cavity space 401 is formed in the main body case 4, and the circuit control board 7 is installed in the cavity space 401. The circuit control board 7 is protected by the main body case 4.

In some embodiments, the heating element 25 is electrically connected to the circuit control board 7 through the first electrode connector 16 and the second electrode connector 14, the heat dissipation space 300 is located outside the main body case 4, at least a portion of the first electrode connector 16 and the second electrode connector 14 is located at the heat dissipation space 300, and each of the heat dissipation fins 1601 is provided on the first electrode connector 16 and/or the second electrode connector 14. Wherein the first electrode connector 16 and the second electrode connector 14 are made of a conductive metal, including but not limited to copper, silver, aluminum, and the like. The first electrode connector 16 and the second electrode connector 14, in addition to serving to conduct electricity, also serve to connect the control assembly 200 and the heating assembly 100 while isolating the control assembly 200 and the heating assembly 100 from each other.

In some embodiments, the heating assembly 100 includes a first conductive electrode 20 and a second conductive electrode 19, the heating element 25 is electrically connected to the first conductive electrode 20 and the second conductive electrode 19, respectively, and the first conductive electrode 20 and the second conductive electrode 19 are electrically connected to the first electrode connector 16 and the second electrode connector 14, respectively. The first conductive electrode 20, the second conductive electrode 19, the first electrode connecting member 16 and the second electrode connecting member 14 are used for facilitating distribution of the whole structure and assembly. Wherein the first conductive electrode 20 and the second conductive electrode 19 are made of conductive metals including, but not limited to, copper, silver, aluminum, and the like.

In some embodiments, a through hole (not shown) is formed on a wall of the main body case 4, one end of the first electrode connecting member 16 extends into the cavity space 401 and is electrically connected to the circuit control board 7, and the other end of the first electrode connecting member 16 extends out of the main body case 4 and is electrically connected to the first conductive electrode 20. The first electrode connecting member 16 and the first conductive electrode 20 may be relatively fixed and electrically connected by a screw connection, a contact connection, an interference fit, a fastener, or the like.

In some embodiments, the first electrode connector 16 has a hollow first channel 1602, the second electrode connector 14 is disposed in the first channel 1602, and a first insulating member 15 is disposed between the second electrode connector 14 and the first electrode connector 16, one end of the second electrode connector 14 is electrically connected to the circuit control board 7, and the other end of the second electrode connector 14 is electrically connected to the second conductive electrode 19. The second electrode connecting member 14 and the second conductive electrode 19 may be relatively fixed and electrically connected by a screw connection, a contact connection, an interference fit, a fastener, or the like. The first insulating member 15 may be made of materials such as silica gel and plastic, and is in a ring shape and a half ring shape, and is sleeved between the outer peripheral wall of the second electrode connecting member 14 and the inner peripheral wall of the first electrode connecting member 16 corresponding to the first channel 1602, so as to perform an insulating function and position the second electrode connecting member 14.

In some embodiments, the first conductive electrode 20 has a hollow second channel 2001, the second conductive electrode 19 is disposed within the second channel 2001, and a second insulator 21 is disposed between the second conductive electrode 19 and the first conductive electrode 20. The second insulating member 21 may be made of silicon gel, plastic, or other materials, and is in a shape of a collar or a half collar, and is sleeved between the outer peripheral wall of the second conductive electrode 19 and the inner peripheral wall of the first conductive electrode 20 corresponding to the second channel 2001, so as to perform an insulating function and position the second conductive electrode 19.

In some embodiments, a plurality of heat dissipating fins 1601 are provided on an outer wall of the first electrode connecting member 16 and formed to extend radially outward. Where the heat sink 1601 is made of a thermally conductive metal, the same metal as the first electrode connector 16 may be both electrically and thermally conductive, including but not limited to copper, aluminum, silver, and the like. The plurality of the heat radiating fins 1601 are arranged in order along the axial direction of the first electrode connecting member 16. Heat generated when the smoking set is operated may be conducted to the heat sink 1601 through the first electrode connector 16 and then dissipated to the outside.

In some embodiments, a cover 17 is disposed outside the first end wall 24, a second chamber 1703 is disposed between the cover 17 and the first end wall 24, and the second chamber 1703 is disposed with a second air inlet. The cover 17 is disposed above the heating element 100, the heat dissipating space 300 is located between the cover 17 and the main body case 4, and the heat dissipating fins 1601 are also disposed between the cover 17 and the main body case 4. The first electrode connection 16 serves to isolate the body housing 4 from the enclosure 17. The cover 17 serves as a heat insulation, and forms a second chamber 1703 with the first end wall 24, the second chamber 1703 serves to collect the incoming air flow, so that the air flow is maximally led to the heating assembly, and the air flow in the second chamber 1703 also serves as a heat insulation. The second air intake may be a hole or a passage, etc.

In some embodiments, the heating assembly 100 is provided with a base 28, a cover 17 is disposed over the base 28, the cover 17 includes a third end wall 1705 and a second wall 1706, the third end wall 1705 is disposed at one end of the second wall 1706, the third end wall 1705 and the second wall 1706 enclose a concave space 1702, and the first end wall 24 is opposite to the third end wall 1705; the shoe 28 includes a fourth end wall 2809 and a third surrounding wall 2801, the fourth end wall 2809 is provided at one end of the third surrounding wall 2801, the second surrounding wall 1706 is located outside the third surrounding wall 2801, and an air intake passage 1704 as a second air intake portion is provided between the second surrounding wall 1706 and the third surrounding wall 2801. Wherein, the third end wall 1705 of the cover 17 is connected to the top end of the second surrounding wall 1706, the fourth end wall 2809 is connected to the bottom end of the third surrounding wall 2801, the airflow can only flow upwards from the air inlet passage 1704 as the second air inlet portion into the second chamber 1703, and because the airflow in the second chamber 1703 meets the heating assembly 100 and becomes the hot airflow which is easy to rise, the hot airflow will not flow out from the air inlet passage 1704, avoiding the loss of the hot airflow. Here, the third end wall 1705 and the second surrounding wall 1706 are integrally formed, and the fourth end wall 2809 and the third surrounding wall 2801 are also integrally formed.

In some embodiments, the fourth end wall 2809 is formed with a first through hole 2802, an end edge of the first wall 2603 away from the second end wall 2609 extends radially outward to form a protruding edge 2610, the first wall 2603 and the second end wall 2609 extend out of the first through hole 2802, and the protruding edge 2610 abuts against the fourth end wall 2809. The first surrounding wall 2603, the second end wall 2609 and the protruding edge 2610 are integrally formed and made of heat conducting material, so that the first surrounding wall 2603 and the second end wall 2609 can be heated quickly by the heat generated by the heating element 25, the area for heating the tobacco material is increased by the first surrounding wall 2603 and the second end wall 2609, and the first surrounding wall 2603 and the second end wall 2609 extend out from the first through hole 2802 and are directly placed in the container 29 containing the tobacco material, so that the heat is concentrated in the tobacco material, and the tobacco material can reach the required temperature quickly. The bottom support 28 also serves as a part of the heat insulation of the heating assembly 100, in addition to forming the air inlet passage 1704 with the cover 17. In addition, the third wall 2801 of the base 28 protrudes upwardly relative to the first end wall 24 of the heating assembly 100, which increases the length of the air inlet passage 1704 serving as the second air inlet portion, and also provides a thermal insulation function.

In some embodiments, an insulating gasket 27 is disposed between the fourth end wall 2809 of the shoe 28 and the ledge 2610 of one end of the first perimeter wall.

In some embodiments, the third end wall 1705 has a second through hole 1701 for facilitating the power supply of the heating element 100. Wherein the first conductive electrode 20 is disposed in the second chamber 1703, the second conductive electrode 19 is disposed in the second channel 2001 of the first conductive electrode 20, and the first conductive electrode 20 extends from the second through hole 1701 to be electrically connected to the first electrode connecting member 16.

As shown in fig. 4-6, in some embodiments, the heating elements 25 are distributed on a second end wall 2609 inside the first chamber 2605 and form a hot gas flow inside the first chamber 2605, the second end wall 2609 is provided with a plurality of partitions 260, the partitions 260 divide the first chamber 2605 into a plurality of compartments 2601, and the heating element 25 is located inside each compartment 2601. The partition 260 is erected on the second end wall 2609, and the partition 260 and the second end wall 2609 may be integrally formed or assembled with each other. The partition 260 dividing into a plurality of partitions 2601 can position the heating element 25 to prevent the short circuit of the heating element 25, and the partition 260 can concentrate heat in the partitions 2601 to reduce heat loss.

In some embodiments, each of the partitioned spaces 2601 communicates with each other, and both ends of the heating element 25 extend into each of the partitioned spaces 2601 along a path formed by the partitioned spaces 2601, respectively. The partitioned spaces 2601 are communicated with each other, only one heating element 25 can be designed to extend to each partitioned space 2601, and during production and processing, the heating element 25 is only provided with two pins to realize an electrical connection process (such as welding), so that the process steps are reduced, and the production efficiency is improved. In addition, with the communicating dividing spaces 2601, the heating element 25 may extend a maximum length over a limited area of the second end wall 2609 to increase the voltage and maximize the heat generation. In other embodiments, the compartments 2601 may not be in communication, and the heating elements 25 in each compartment 2601 may be directly inserted through the partition 260 and connected to each other or integrally formed.

In some embodiments, the partitions 260 include main partitions 2607 having a ring shape, each main partition 2607 surrounds inside and/or outside of an adjacent main partition 2607, the partition space 2601 is formed between two adjacent main partitions 2607, each main partition 2607 has an opening 2606, and the openings 2606 of each main partition 2607 face away from the openings 2606 of the adjacent main partition 2607. The number of the main partition 2607 includes a plurality, which may be circular, elliptical, polygonal (e.g., rectangular, triangular, diamond, etc.). Taking the main partition 2607 comprising a first main partition 2607a, a second main partition 2607b and a third main partition 2607c arranged in sequence from inside to outside as an example, the first main partition 2607a, the second main partition 2607b and the third main partition 2607c are arranged in sequence from the same center point to the direction radiating outwards. The second main partition 2607b encloses the first main partition 2607a, the third main partition 2607c encloses the second main partition 2607b, the opening 2606 of the first main partition 2607a faces away from the opening 2606 of the second main partition 2607b, and the opening 2606 of the second main partition 2607b faces away from the opening 2606 of the third main partition 2607c, so that the opening 2606 of the first main partition 2607a faces the same direction as the opening 2606 of the third main partition 2607 c. In other examples, the main partition 2607 may be a flat sheet (see fig. 7), and the main partition 2607 has no opening 2606. In other embodiments, the main partition 2607 may be spirally disposed on the second end wall 2609, and the main partition 2607 has no opening 2606. Wherein heating element 25 is installed within compartment 2601 along the designed path of compartment 2601.

In some embodiments, the plurality of partitions 260 further include a secondary partition 2608, each primary partition 2607 has a secondary partition 2608 extending therefrom in a direction away from the opening 2606 at a position opposite to the opening 2606 of the primary partition 2607, and the secondary partition 2608 extends from the opening 2606 of the adjacent primary partition 2607. In these examples, taking the case that the main partition 2607 includes a first main partition 2607a, a second main partition 2607b, and a third main partition 2607c arranged from inside to outside, the first main partition 2607a, the second main partition 2607b, and the third main partition 2607c are arranged in a direction radiating from the same center point to the outside. The second main partition 2607b encloses the first main partition 2607a, the third main partition 2607c encloses the second main partition 2607b, the opening 2606 of the first main partition 2607a faces away from the opening 2606 of the second main partition 2607b, and the opening 2606 of the second main partition 2607b faces away from the opening 2606 of the third main partition 2607 c. A first opening is formed in the first main partition 2607a, a second opening is formed in the second main partition 2607b, and a third opening is formed in the third main partition 2607 c. The first main partition 2607a is provided with a first auxiliary partition 2608a at a position opposite to the first opening, the first auxiliary partition 2608a extends from the first main partition 2607a in a direction away from the first opening and extends from the second opening to be connected to a third main partition 2607c, that is, two ends of the first auxiliary partition 2608a are respectively connected to the first main partition 2607a and the second main partition 2607 c. A second auxiliary partition 2608b is disposed at a position where the second main partition 2607b is opposite to the second opening 2606, and the second auxiliary partition 2608b extends from the second main partition 2607b in a direction away from the second opening 2606 and extends from the third opening 2606 to be connected to the surrounding wall 2604, i.e. two ends of the second auxiliary partition 2608b are respectively connected between the second main partition 2607b and the surrounding wall 2604. The heating elements 25 can be completely isolated from each other by designing the sub-partition 2608 to avoid short-circuiting.

In some embodiments, the heating element 25 comprises a helical conductive heating wire and/or a conductive heating tube. The spiral heating wire and/or the heating pipe can maximize the area of the heating element 25 and generate heat to the maximum extent, the spiral heating wire is preferably adopted, the effect of the heating wire with the maximum length is achieved in the effective area, the resistivity is low, the heating amount is large, the power consumption is low, the heating effect is optimal, hot air flow can be rapidly generated to intensively heat the tobacco, and the smoke taste is good.

In some embodiments, a temperature sensor 11 is disposed in the first chamber 2605, and the temperature sensor 11 is electrically connected to the circuit control board 7. Wherein, the temperature sensor 11 is used to control the heating element 25 to heat, which can control the temperature inside the first chamber 2605 and/or the temperature of the second end wall 2609 and the first surrounding wall 2603, so that the tobacco material is heated within a preset temperature, thereby avoiding the generation of excessive harmful substances. In addition, the temperature sensor 11 can also play a role of over-temperature protection.

In some embodiments, the temperature sensor 11 is disposed at or near an intermediate position within the first chamber 2605. The design can make the temperature measurement more accurate.

In some embodiments, the second electrode connector 14 has a hollow third channel 1401, a temperature measuring tube 12 is disposed in the third channel 1401, the temperature sensor 11 is mounted in the temperature measuring tube 12, the second conductive electrode 19 has a hollow hole (not shown), and the temperature measuring tube 12 is inserted into the first cavity 2605 from the inside of the main body case 4 along the third channel 1401 and the hollow hole. Wherein, a hole 2602 is arranged in the first chamber, and one end of the temperature measuring tube 12 is inserted into the hole 2602 for fixing.

The following is a detailed description of a preferred embodiment. As shown in fig. 1 to 7, the heating smoking set for cigarette in this embodiment includes a lens 1, a light guide ring 2, a light guide ring screw 3, a main body case 4, a power key 5, a negative electrode cover 6, a circuit control board 7, a negative electrode sheet 8, a support 9, a heat insulation ring 10, a temperature sensor 11, a temperature measuring tube 12, a temperature measuring tube sleeve 13, a second conductive electrode connecting member 14, a first insulating member 15, a first electrode connecting member 16, a cover body 17, a screw 18, a second conductive electrode 19, a first conductive electrode 20, a second insulating member 21, an electrode fixing member 22, a fixing member 23, a first end wall 24, a heating element 25, a heat conducting base 26, a heat insulation gasket 27, a second end wall 28, and a container 29.

The heat conducting base 26 includes a first wall 2603 and a second wall 2609, the second wall 2609 is disposed at the bottom end of the first wall 2603 and is integrally formed, and a flange 2610 is formed by extending the top end edge of the first wall 2603 radially outward. The top end of the first wall 2603 is further capped by a first end wall 24. the first end wall 24 is secured to the top end or ledge 2610 of the first wall 2603 by fasteners (e.g., screws, etc.). The second end wall 2609 defines a plurality of outlet holes 2604 for exhausting the heat gas flow.

A plurality of annular main partition plates 2607 are erected on the second end wall 2609, and are sequentially arranged in a spreading manner along the radial direction, each main partition plate 2607 surrounds the inside and/or the outside of the adjacent main partition plate 2607, the partition space 2601 is formed between the two adjacent main partition plates 2607, each main partition plate 2607 is provided with an opening 2606, and the opening 2606 of each main partition plate 2607 faces away from the opening 2606 of the adjacent main partition plate 2607. Each main partition 2607 is formed with a sub-partition 2608 extending in a direction away from the opening 2606 at a position opposite to the opening 2606 of the main partition 2607, and the sub-partition 2608 protrudes from the opening 2606 of the adjacent main partition 2607. A heating element 25 is installed in the partitioned spaces 2601 to be fixed for generating heat, and the heating element 25 extends into each of the partitioned spaces 2601. The air outlet is communicated with each of the divided spaces 2601, and each of the divided spaces 2601 is correspondingly provided with an air outlet 2604.

The heat conducting base 26 is provided with a bottom base 28, the bottom base 28 includes a fourth end wall 2809 and a third surrounding wall 2801, the fourth end wall 2809 is disposed at one end of the third surrounding wall 2801, the fourth end wall 2809 is disposed with a first through hole 2802, the first surrounding wall 2603 and the second end wall 2609 extend out of the first through hole 2802, and the protruding edge 2610 abuts against the fourth end wall 2809. A heat insulating gasket 27 is mounted between the fourth end wall 2809 and the ledge 2610 for heat insulation, and the first enclosure wall 2603 and the second end wall 2609 extend through the first through hole 2802 for facilitating heat exhaust flow.

The first end wall 24 is mounted on the top end of the heat conductive base 26 for insulating heat generated by heating the heating element 25 to concentrate in the partitioned space 2601. The fixing member 23 is disposed on the first end wall 24 and fixed on the bottom bracket 28 for fixing the first end wall 24, the first end wall 24 is provided with a plurality of air inlets 2401 communicated with the air outlets 2604 for ventilation, and the fixing member 23 is provided with a fourth through hole 2301 corresponding to the air inlets 2401 for ventilation. Each inlet hole 2401 is offset from each outlet hole 2604 in a projection from the first end wall 24 toward the second end wall 2609.

A cavity space 401 is formed in the main body case 4, the circuit control board 7 is installed in the cavity space 401 and fixed for controlling the heating element 25 to generate heat, the power key 5 is installed on the circuit control board 7, the upper end of the power key is exposed out of the top of the main body case 4 and used for controlling the power to be turned on, the light guide ring 2 is fixed at the top of the main body case 4 by the light guide ring screw 3 and used for displaying the light information of the power-on or working state, the lens 1 is attached to the top of the main body case 4 and used for playing an aesthetic role, the support 9 is installed at the bottom of the main body case 4 and used for fixing the circuit control board 7, the open end 901 is opened on the support 9, the heat insulation ring 10 is installed in the open end 901 and fixed, the upper end of the first electrode connecting piece 16 penetrates through the cavity space 401 of the main body case 4 from the heat insulation ring 10, the negative plate 8 is sleeved on the outer wall of the upper end of the first electrode connecting piece 16 and used for conducting connection, the negative plate 6 is sleeved on the upper end of the first electrode connecting piece 16 and used for fixing the negative plate 8 on the first electrode connecting piece 16, the negative pole of 7 output ends of circuit control board is welded on negative pole piece 8 and is used for electrically conducting, the outer wall of first electrode connecting piece 16 outside cavity space 401 is equipped with and is used for the heat dissipation with a plurality of protruding body 1601 of first electrode connecting piece 16 integrated into one piece, first electrode connecting piece 16 has seted up inside hollow first passageway 1602, second conductive electrode connecting piece 14 is installed and is used for playing electrically conductive connection effect in first passageway 1602, the anodal welding of 7 output ends of circuit control board is used for electrically conducting on second conductive electrode connecting piece 14, first insulating part 15 is installed and is used for playing insulating effect between second conductive electrode connecting piece 14 outer wall and first passageway 1602 inner wall, prevent that second conductive electrode connecting piece 14 and first electrode connecting piece 16 contact from taking place the short circuit.

The cover 17 covers the bottom support 28, the cover 17 includes a third end wall 1705 and a second surrounding wall 1706, the third end wall 1705 is disposed at one end of the second surrounding wall 1706, the third end wall 1705 and the second surrounding wall 1706 enclose to form an inner concave space 1702, and the first end wall 24 is opposite to the third end wall 1705; the bottom bracket 28 includes a fourth end wall 2809 and a third surrounding wall 2801, the fourth end wall 2809 is provided at one end of the third surrounding wall 2801, the second surrounding wall 1706 is located outside the third surrounding wall 2801, and an air intake passage 1704 serving as a second air intake portion is provided between the second surrounding wall 1706 and the third surrounding wall 2801. The third end wall 1705 has a second through hole 1701. The lower end of the first electrode connecting piece 16 is inserted into the concave space 1702 from the second through hole 1701, the upper end of the first conductive electrode 20 is fixed at the lower end of the first electrode connecting piece 16 by screw threads for conducting and fixing the cover body 17 on the first electrode connecting piece 16, the first conductive electrode 20 is provided with a second channel 2001 with a hollow interior, the second insulating piece 21 is installed in the second channel 2001 for insulating, the second conductive electrode 19 is installed in the second insulating piece 21 for conducting, the bottom of the second conductive electrode connecting piece 14 is abutted against the upper end of the second conductive electrode 19, the electrode fixing piece 22 is sleeved at the lower end of the second conductive electrode 19 for conducting and connecting, and the first conductive electrode 20 is fixed on the fixing piece 23 by screws 18.

A second chamber 1703 is formed between the cover 17 and the first end wall 24, the air inlet passage 1704 opens into the second chamber 1703, and the outside air can enter the second chamber 1703 from the air inlet passage 1704.

The second conductive electrode connecting piece 14 is provided with a third channel 1401 with a hollow inner part, the temperature measuring pipe sleeve 13 is arranged in the upper end of the third channel 1401 and is used for fixing the temperature measuring pipe 12, the temperature measuring pipe 12 penetrates through the temperature measuring pipe sleeve 13, the third channel 1401 and the second conductive electrode 19 and is inserted into the hole 2602, the temperature sensor 11 is arranged in the temperature measuring pipe 12 and is electrically connected with the circuit control board 7 and is used for sensing the heating temperature of the heating element 25, when the temperature exceeds the set temperature, the temperature sensor 11 feeds back the temperature information to the circuit control board 7, so that the circuit control board 7 controls the heating element 25 not to be heated, the overtemperature protection effect is achieved, the anode of the input end of the heating element 25 is welded on the electrode fixing piece 22 and is electrified, and the cathode of the input end of the heating element 25 is welded on the first conductive electrode 20 and is electrified.

The top of the container 29 is concave to form a containing cavity 2901, the containing cavity 2901 can contain tobacco, the lower end of the container 29 is reduced in diameter and extends axially to form a smoke exhaust pipe 2902, the smoke exhaust pipe 2902 is communicated with the containing cavity 2901, and the second end wall 2609 covers the open end of the container 29.

Fig. 8 is a detailed description of the airflow direction of the heating smoking set for cigarette, after being powered on, the heating element 25 heats and concentrates heat in the first chamber on the heat conducting base 26, during smoking, air enters the second chamber 1703 from the air inlet channel 1704, and then enters each of the partitioned spaces 2601 through the air inlet hole on the first end wall 24 and the fourth through hole 2301 formed on the fixing member 23, so as to drive the heat generated by heating of the heating element 25 to be discharged from the air outlet 1704 on the second end wall of the heat conducting base 26, and transfer the hot airflow into the container 29 to heat the smoking material to generate smoke.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (16)

1. The utility model provides a heating smoking set for cigarette, its characterized in that includes heating element, heating element includes first cavity and establishes heating element in the first cavity, first cavity is equipped with first portion of admitting air and the portion of giving vent to anger set up the tobacco material outside the first cavity, the portion of giving vent to anger accesss to the tobacco material.

2. The heating smoking set of claim 1, wherein the heating element comprises a first end wall, a second end wall and a first enclosing wall, the first end wall and the second end wall are respectively disposed at two ends of the first enclosing wall, the first end wall, the second end wall and the first enclosing wall enclose to form the first chamber, and the first air inlet portion and the air outlet portion are respectively disposed on the first end wall and the second end wall.

3. The heating smoking set of claim 2, wherein the first air inlet portion comprises a plurality of air inlet holes, the air outlet portion comprises a plurality of air outlet holes, each air inlet hole is offset from each air outlet hole in a projection from the first end wall toward the second end wall, and the air inlet holes and the air outlet holes are communicated through the first chamber.

4. The heated smoking article of claim 2, including a receptacle for receiving a smoking material, the receptacle having an open end, the second end wall being configured to cover the open end of the receptacle, the outlet being oriented towards the smoking material.

5. The heating smoking set for tobacco according to claim 1, wherein the heating smoking set for tobacco comprises a control component, and a heat dissipation space is arranged between the control component and the heating component.

6. The heated smoking article of claim 5, wherein the control element is disposed at an end of the heating element remote from the smoking material; a plurality of radiating fins are arranged in the radiating space.

7. The heating smoking set of claim 6, wherein the control assembly comprises a main body housing and a circuit control board for controlling heating of the heating element, a cavity space is formed in the main body housing, and the circuit control board is mounted in the cavity space; the heating element is electrically connected with the circuit control board through a first electrode connecting piece and a second electrode connecting piece, the heat dissipation space is located outside the main shell, at least part of the first electrode connecting piece and the second electrode connecting piece is located at the heat dissipation space, and each heat dissipation fin is arranged on the first electrode connecting piece and/or the second electrode connecting piece.

8. The heating smoking article of claim 7, wherein the heating assembly comprises a first conductive electrode and a second conductive electrode, the heating element is electrically connected to the first conductive electrode and the second conductive electrode, respectively, and the first conductive electrode and the second conductive electrode are electrically connected to the first electrode connector and the second electrode connector, respectively;

a through hole is formed in the shell wall corresponding to the main shell, one end of the first electrode connecting piece extends into the cavity space from the through hole and is electrically connected with the circuit control board, and the other end of the first electrode connecting piece extends out of the main shell from the through hole and is electrically connected with the first conductive electrode;

the first electrode connecting piece is provided with a hollow first channel, the second electrode connecting piece is arranged in the first channel, a first insulating piece is arranged between the second electrode connecting piece and the first electrode connecting piece, one end of the second electrode connecting piece is electrically connected with the circuit control board, and the other end of the second electrode connecting piece is electrically connected with the second conductive electrode;

the first conductive electrode is provided with a hollow second channel, the second conductive electrode is arranged in the second channel, and a second insulating part is arranged between the second conductive electrode and the first conductive electrode;

the plurality of heat radiating fins are arranged on the outer wall of the first electrode connecting piece and extend outwards in the radial direction.

9. The heating smoking set for cigarette as claimed in claim 2, wherein a cover is provided outside the first end wall, a second chamber is provided between the cover and the first end wall, and the second chamber is provided with a second air inlet.

10. The heated smoking article of claim 9, wherein the heating element has a base, and the cover is disposed over the base, the cover including a third end wall disposed at one end of the second wall and a second wall, the first end wall being opposite the third end wall; the bottom support comprises a fourth end wall and a third surrounding wall, the fourth end wall is arranged at one end of the third surrounding wall, and the second surrounding wall is located on the outer side of the third surrounding wall and an air inlet channel serving as the second air inlet portion is arranged between the second surrounding wall and the third surrounding wall.

11. The heating smoking set for cigarette according to claim 10, wherein the fourth end wall is provided with a first through hole, the end edge of the first surrounding wall far away from the second end wall extends outwards in the radial direction to form a convex edge, the first surrounding wall and the second end wall extend out of the first through hole, and the convex edge abuts against the fourth end wall; and a second through hole for facilitating the electrification of the heating assembly is formed in the third end wall.

12. The heated smoking article of claim 2, wherein the heating element is disposed on a second end wall within the first chamber and forms a flow of hot gases within the first chamber, the second end wall having a plurality of partitions disposed thereon, the partitions dividing the first chamber into a plurality of compartments, the heating element being disposed within each of the compartments;

each of the partitioned spaces is communicated with each other, and both ends of the heating element extend into each of the partitioned spaces along a path formed by the partitioned spaces, respectively.

13. The heating smoking set for cigarette according to claim 12, wherein the plurality of partitions includes annular main partitions, each main partition surrounds the inside and/or outside of the adjacent main partition, the separation space is formed between two adjacent main partitions, each main partition is provided with an opening, and the opening of each main partition faces away from the opening of the adjacent main partition;

the plurality of partition plates further comprise auxiliary partition plates, each auxiliary partition plate is formed in the position, opposite to the opening in the main partition plate, of each main partition plate in an extending mode along the direction far away from the opening, and the auxiliary partition plates extend out of the openings of the adjacent main partition plates.

14. The heated smoking article of claim 2, wherein the first end wall is made of a heat insulating material; the second end wall and the first surrounding wall are integrally formed and made of insulating heat-conducting materials; the heating element comprises a spiral conductive heating wire and/or a conductive heating pipe.

15. The heating smoking set for cigarette according to claim 8, wherein a temperature sensor is arranged in the first chamber, and the temperature sensor is electrically connected with the circuit control board; the temperature sensor is arranged at the middle position or close to the middle position in the first cavity.

16. The heating smoking set for cigarette of claim 15, wherein the second electrode connecting part has a hollow third channel, a temperature measuring tube is arranged in the third channel, the temperature sensor is installed in the temperature measuring tube, the second conductive electrode has a hollow hole, and the temperature measuring tube is inserted into the first cavity from the main body shell along the third channel and the hollow hole.

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