CN218418437U - Heating element and low-temperature non-combustible heating device - Google Patents

Abstract

The utility model belongs to the technical field of the electron atomizing, especially, relate to a heating element and low temperature incombustible heating device. Wherein, heating element includes: the heating body comprises at least two heating sections which can independently generate heat, each heating section is in contact with the heat conducting piece, and each heating section is arranged corresponding to different parts of the heat conducting piece respectively, so that at least two heating zones with different positions are formed on the heat conducting piece. The utility model discloses a heating element can improve the uniformity of tobacco in whole heating smoking in-process taste.

Description

Heating element and low-temperature non-combustion heating device

Technical Field

The utility model belongs to the technical field of the electron atomizing, especially, relate to a heating element and low temperature incombustible heating device.

Background

The low-temperature non-combustion electronic smoking set is characterized in that tobacco is heated and roasted at low temperature generated by electric heating, nicotine and the like in the tobacco are converted into steam and then volatilized and separated out, and the steam is provided for a user to suck. Compared with the traditional combustion type cigarette, because the tobacco is not combusted, and harmful components in smoke generated by the low-temperature non-combustion heating device are far lower than those of the traditional combustion type cigarette, the low-temperature non-combustion heating device can greatly reduce the adverse effect of the traditional cigarette on human body, and becomes a healthier smoking electronic article.

However, the conventional low-temperature non-combustion heating device generally has the problem of single heating mode. Generally, the whole cigarette is heated intensively, so that the volatile substances (such as nicotine, aromatic substances and the like) in the tobacco material are volatilized greatly in the early stage of heating, and a smoker feels choking when smoking the cigarette due to too high smoke concentration; and in the heating later stage, because concentrated the more class of volatilizing material that has consumed in the heating earlier stage, and then can lead to the volume of volatilizing of the class of volatilizing material in the tobacco material of heating later stage less for the user can feel the taste when the smoking in the heating later stage, smoke and experience poor, thereby lead to the different problem of earlier stage taste and later stage taste that smokes a cigarette.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a heating element aims at solving and how to improve the problem of tobacco in whole heating smoking in-process mouth feel uniformity.

In order to achieve the above object, the utility model adopts the following technical scheme:

in a first aspect, an embodiment of the present invention provides a heating assembly, which includes: the heating body comprises at least two heating sections which can independently generate heat, each heating section is in contact with the heat conducting piece, and each heating section is arranged corresponding to different parts of the heat conducting piece respectively, so that at least two heating zones with different positions are formed on the heat conducting piece.

In some embodiments, the heating assembly further includes at least a first electrode, a second electrode, and a third electrode, one end of each of the first electrode, the second electrode, and the third electrode is connected to the heating element, and the first electrode, the second electrode, and the third electrode are arranged at intervals, a portion of the heating element located between the first electrode and the second electrode forms a heating section, and a portion of the heating element located between the first electrode and the third electrode forms another heating section.

In some embodiments, the first electrode is a negative electrode and the second and third electrodes are positive electrodes.

In some embodiments, the thermally conductive member is an insulator made of a non-valve metal, a valve metal, or a thermally conductive ceramic; the heating body is a conductor made of non-valve metal, conductive ceramic or valve metal.

In some embodiments, the heating assembly further includes at least two conductive segments, and the first electrode, the second electrode and the third electrode are sequentially arranged at intervals along the width direction of the heat conducting member, wherein one of the conductive segments is electrically connected between one end of one of the heating segments and the first electrode, and the other conductive segment is electrically connected between one end of the other of the heating segments and the third electrode.

In some embodiments, the heating assembly further comprises at least one conductive segment, the second electrode, the first electrode and the third electrode are sequentially arranged at intervals along the width direction of the heat conducting member, and the conductive segment is connected between the first electrode and the connection point of the two heating segments.

In some embodiments, the conductive segments are also used to generate heat.

In some embodiments, the conductive segments are metal wires or heating resistance wires.

In some embodiments, the heat conducting member is a flat plate, and the heat generating sections are arranged in a segmented manner from top to bottom along the length direction of the heat conducting member; or the heating sections are sequentially arranged at intervals in a segmented manner from left to right along the width direction of the heat conducting piece.

In some embodiments, the lengths of the heat generation segments are arranged equally or unequally.

In some embodiments, at least one of the heat generation segments is arranged in a serpentine configuration.

In some embodiments, the heat conducting member includes at least two flat plate-shaped shells, the heating element is located in a cavity between at least two flat plate-shaped shells, and each heating section abuts against an inner wall of the flat plate-shaped shell; the flat-plate-shaped shell is provided with an electrode connecting end used for connecting each electrode and an insertion end arranged opposite to the electrode connecting end, and the insertion end is arranged in a sharp-angled structure.

In some embodiments, a groove for embedding the heating element is arranged on the inner wall of the flat-plate-shaped shell.

In some embodiments, the heating assembly further includes a base, the base is provided with a fixing groove for the electrode connecting end of the tabular shell to be inserted, and the electrode connecting end is inserted into the fixing groove.

In some embodiments, the heat conducting member is a hollow cylindrical shell, and the heat generating sections are bent and spaced from each other along the circumferential direction of the cylindrical shell or along the length direction of the cylindrical shell.

In some embodiments, the second electrode, the first electrode, and the third electrode are sequentially disposed at intervals in a circumferential direction of the cylindrical housing.

In a second aspect, the embodiment of the present invention further provides a low-temperature non-combustible heating device, which includes the heating assembly as described above, the low-temperature non-combustible heating device further includes a host power system, the host power system is electrically connected to each heating section in the heating assembly, and is used for controlling each heating section to generate heat by conduction.

The beneficial effects of the utility model reside in that: the utility model provides a structural design that heating element adopted the subregion heating, mode through the subregion heating heats the different local position of cigarette, the volatile class substance that just heats the cigarette position just can volatilize, the volatile class substance that does not heat the cigarette position then can not volatilize, consequently can heat different cigarette positions respectively in the different periods of smoking a cigarette, thereby control nicotine, the homogeneity of the volatile class substance such as aromatic class substance, make the nicotine of whole cigarette, volatile class substance such as aromatic class substance is slow, volatilize a little, can equalize these volatile substances in the volatile amount in different heating stages like this, even when cigarette will be smoked soon, still can keep more sufficient smog content, thereby promote the uniformity of the smoker taste. In addition, because the different sections that generate heat of heat-generating body can independently generate heat by the time quantum, also can generate heat together with the time quantum, consequently increased user's selective service mode, promoted the variety and the flexibility that the product used to the performance of product has been promoted.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is an exploded perspective view of a heating assembly provided in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a thermal conductor member including a base of a heating assembly according to one embodiment;

FIG. 3 is a cross-sectional view of the thermal conductor member of FIG. 2;

fig. 4 is an exploded perspective view of a heating assembly according to another embodiment of the present invention;

FIG. 5 is a cross-sectional view of a heat conducting member including a base of another embodiment of a heating assembly;

FIG. 6 is a cross-sectional view of the heat conductive member of FIG. 5;

fig. 7 is a perspective exploded view of a heating assembly according to another embodiment of the present invention;

fig. 8 is a schematic view of the assembled heating assembly of fig. 7.

Wherein, in the figures, the respective reference numerals:

100. a heating assembly; 10. A heating element; 11. A first heat generation section;

12. a second heat generation section; 13. A conductive segment;

21. a first electrode; 22. A second electrode; 23. A third electrode;

30. a heat conductive member; 31. An insertion end; 32. An electrode connecting end;

33. a cavity; 34. An accommodating cavity; 301. A heating zone;

30', a flat plate-shaped housing;

40. a base; 41. And fixing the grooves.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like refer to orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention, and the specific meaning of the terms should be understood by those skilled in the art according to the specific situation. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

Referring to fig. 1 to 8, an embodiment of the present invention provides a heating assembly 100, which can be used to heat a substance to be heated, where the substance to be heated can be tobacco, cigarettes without burning at low temperature, herbal plants, etc., and the substance to be heated can be determined according to the actual use requirement of a user, which is not limited in this embodiment. The cigarette which is not burnt at low temperature mainly refers to a columnar smoke generation product made of tobacco shreds, tobacco particles, plant fragments, tobacco essence, propylene glycol and other materials, under the condition of low-temperature heating, nicotine and other fragrant substances in the cigarette can be volatilized when solid particles are not generated, and only atomized steam is generated. Low temperature non-combustion is actually a low temperature dry distillation process, the heating temperature is generally 200 ℃ to 400 ℃, the low temperature is the temperature which enables the material to be atomized to generate smoke without combustion, and can be, for example, a temperature in the range of 200 ℃ to 400 ℃. In addition, it should be noted that, in a specific application scenario, the shape of the substance to be atomized may be fixed (for example, a cylindrical cigarette), or may be unfixed (for example, loose tobacco shred), which is not specifically limited in this embodiment, and for convenience of understanding and explanation, a cigarette that does not burn at low temperature is taken as an example of the substance to be atomized in each of the following embodiments.

The heating assembly 100 may heat the tobacco rod to a predetermined temperature that produces smoke to release nicotine or other substance from the tobacco rod for human consumption. It will be appreciated that when the tobacco rod releases nicotine, the tobacco rod is in a heated but uncombusted state.

Specifically, referring to fig. 1 to 3, in an embodiment of the present invention, the heating assembly 100 includes a heat conducting member 30 and a heat generating body 10, the heat generating body 10 includes at least two heat generating sections capable of generating heat independently, each heat generating section is in contact with the heat conducting member 30, and each heat generating section is disposed corresponding to different portions of the heat conducting member 30, so as to form at least two heating zones 301 with different positions on the heat conducting member 30. In the present embodiment, two heating segments are illustratively provided, namely a first heating segment 11 and a second heating segment 12; of course, in other embodiments, three or more heating sections may be provided, which is not limited herein and may be selected according to actual situations. It can be understood that, in practical application, the two heating sections can independently heat at the same time or independently heat at different time intervals according to requirements.

In this embodiment, in a specific implementation, the heat conducting member 30 may be an insulator made of valve metal (e.g., titanium, aluminum, and other metal materials capable of forming an insulating oxide film on the surface), non-valve metal (e.g., copper, nickel, alloy, and other metal materials), or heat conducting ceramic (e.g., alumina ceramic, boron nitride ceramic, aluminum nitride ceramic, and other materials with good heat conducting performance, as long as the requirements of the application can be met, and this embodiment is not limited in particular.

In this embodiment, in a specific implementation, the heating element 10 may be a conductor made of a conductive ceramic, a conductor made of a valve metal, or a conductor made of a non-valve metal, and of course, the heating element 10 may be made of other conductive heating materials as long as the use requirements are met, which is not limited in this embodiment. The conductive ceramic is a conductive ceramic material sintered at a high temperature, and in a specific implementation, the specific material of the conductive ceramic may be a mixture of conductive powder and at least one of silicon carbide, silicon oxide, aluminum oxide, and zirconium oxide, and the material of the conductive powder may be at least one of titanium nitride, zirconium nitride, titanium carbonitride, titanium carbide, zirconium carbide, thallium carbide, hafnium carbide, titanium boride, zirconium boride, thallium boride, hafnium boride, molybdenum silicide, and tungsten carbide.

It is to be understood that, in the embodiment, the heat conducting member 30 is insulated from the heat generating body 10 to prevent the heat generating body 10 from short-circuiting during the power-on process, for example, when the heat conducting member 30 is an insulator made of non-valve metal, the portion of the heat conducting member 30 contacting the heat generating body 10 and the outer surface of the heat conducting member 30 may be provided with an insulating layer (e.g., coated with an insulating varnish) to prevent the heat conducting member 30 from leaking electricity and the heat generating body 10 from short-circuiting during the use process.

In this embodiment, it can be understood that the heating element 10 abuts on the surface of the heat conducting member 30 and conducts the heat generated by itself to the heat conducting member 30, and the heat conducting member 30 heats the cigarette by using the heat. In this embodiment, illustratively, the first heating section 11 and the second heating section 12 respectively abut against different positions of the heat conducting member 30, so that two heating areas 301 with different positions can be formed on the heat conducting member 30, when a cigarette is inserted for smoking, each heating area 301 can respectively correspond to different parts of the cigarette, so that each heating area 301 can independently heat different parts of the cigarette, and further the cigarette with the corresponding part can be heated to release smoke for human smoking (it can be understood that the smoke can contain substances such as nicotine).

The embodiment of the utility model provides a heating element 100 adopts the structural design of subregion heating, mode through the subregion heating heats the different local position of cigarette, the volatile class material at a cigarette position that only heats just can volatilize, the volatile class material at a cigarette position that does not heat then can not volatilize, consequently can heat different cigarette positions respectively in the different periods of smoking a cigarette, thereby control nicotine, the homogeneity of the volatile class material such as aromatic class material, make the nicotine of whole cigarette, volatile class material such as aromatic class material can volatilize slowly and bit by bit, can equalize these materials at the volatile volume in different heating stages like this, even when cigarette has inhaled soon, still can keep more sufficient smoke content in the suction in the later stage, promote the uniformity of smoker taste.

In addition, it can be understood that, because the first heat generation section 11 and the second heat generation section 12 can generate heat independently, the first heat generation section 11 and the second heat generation section 12 of the heat generator 10 can generate heat independently in different time intervals and also can generate heat together with the time intervals in practical application, thereby increasing the selective use mode of a user, improving the diversity and flexibility of product use, and further improving the use performance of the product.

Referring to fig. 2 or 5, in some embodiments, the heating element 100 further includes at least a first electrode 21, a second electrode 22, and a third electrode 23, one end of each of the first electrode 21, the second electrode 22, and the third electrode 23 is connected to the heating element 10, and the first electrode 21, the second electrode 22, and the third electrode 23 are arranged at intervals, a portion of the heating element 10 located between the first electrode 21 and the second electrode 22 forms a heating section (i.e., the second heating section 12), and a portion of the heating element 10 located between the first electrode 21 and the third electrode 23 forms another heating section (i.e., the first heating section 11).

In this embodiment, in practical implementation, the first electrode 21 can be used to electrically connect with the negative electrode of the host power supply, and the second electrode 22 and the third electrode 23 can be used to electrically connect with the positive electrode of the host power supply, that is, the first electrode 21 can be used as the negative electrode, and the second electrode 22 and the third electrode 23 can be used as the positive electrode, so that when the first electrode 21 and the third electrode 23 are both powered and the second electrode 22 is not powered, the first heat generation segment 11 can be powered to generate heat, and the second heat generation segment 12 does not generate heat; when the first electrode 21 and the second electrode 22 are electrified and the third electrode 23 is not electrified, the second heating section 12 can be electrified to generate heat, and the first heating section 11 does not generate heat; when the first electrode 21, the second electrode 22 and the third electrode 23 are all electrified, the first heating section 11 and the second heating section 12 are all electrified to generate heat; so that the first heating section 11 and the second heating section 12 can independently generate heat in different time intervals and simultaneously. In this embodiment, by additionally providing a plurality of electrodes, each of the heating segments can be electrically connected to the positive electrode and the negative electrode of the host power supply.

Referring to fig. 1 to 3, in some embodiments, the heating assembly 100 further includes at least two conductive segments 13, and the first electrode 21, the second electrode 22 and the third electrode 23 are sequentially disposed at intervals along the width direction of the heat conducting member 30, wherein one conductive segment 13 is electrically connected between one end of one heat generating segment and the first electrode 21, and the other conductive segment 13 is electrically connected between one end of the other heat generating segment and the third electrode 23.

In this embodiment, in a specific implementation, the first electrode 21 may be electrically connected to a negative pole of a host power supply, and the second electrode 22 and the third electrode 23 are electrically connected to a positive pole of the host power supply, so that when the first electrode 21 and the third electrode 23 are both powered and the second electrode 22 is not powered, an on-loop may be formed among the third electrode 23, the first heating segment 11, one of the conducting segments 13, the first electrode 21, and the host power supply, and a current flows from the third electrode 23 to the first electrode 21, so that the first heating segment 11 may be powered to generate heat, and the second heating segment 12 may not generate heat because no current flows through it; when the first electrode 21 and the second electrode 22 are energized and the third electrode 23 is not energized, another energizing circuit can be formed among the second electrode 22, the second heating segment 12, the another conducting segment 13, the first electrode 21 and the host power supply, and current flows from the second electrode 22 to the first electrode 21, so that the second heating segment 12 can be energized to generate heat, and the first heating segment 11 does not generate heat because no current flows through; when the first electrode 21, the second electrode 22 and the third electrode 23 are all electrified, two electrifying loops can be formed, and the first heating section 11 and the second heating section 12 can be electrified to generate heat; therefore, the two heating sections can independently heat in time intervals and can independently heat in the same time.

Referring to fig. 4 to 6, in other embodiments, the heating assembly 100 further includes at least one conductive segment 13, the second electrode 22, the first electrode 21 and the third electrode 23 are sequentially disposed at intervals along the width direction of the heat conducting member 30, and the conductive segment 13 is connected between the first electrode 21 and the connection point of the two heating segments.

In this embodiment, in a specific implementation, the first electrode 21 may be electrically connected to a negative pole of a host power supply, and the second electrode 22 and the third electrode 23 are electrically connected to a positive pole of the host power supply, so that when the first electrode 21 and the third electrode 23 are both powered and the second electrode 22 is not powered, an on-circuit may be formed among the third electrode 23, the first heating section 11, the conducting section 13, the first electrode 21, and the host power supply, and a current flows from the third electrode 23 to the first electrode 21, so that the first heating section 11 may be powered to generate heat, and the second heating section 12 may not generate heat because no current flows through it; when the first electrode 21 and the second electrode 22 are energized and the third electrode 23 is not energized, another energizing circuit can be formed among the second electrode 22, the second heating section 12, the conducting section 13, the first electrode 21 and the host power supply, and current flows from the second electrode 22 to the first electrode 21, so that the second heating section 12 can be energized to generate heat, and the first heating section 11 does not generate heat because no current flows through; when the first electrode 21, the second electrode 22 and the third electrode 23 are all electrified, two electrifying loops can be formed, and the first heating section 11 and the second heating section 12 can be electrified to generate heat; therefore, the two heating sections can independently heat in different time intervals and simultaneously heat independently.

It should be noted that, in the above embodiment including the conductive segment 13, in a practical implementation, the conductive segment 13 may be used only for conducting electricity, or may be used for conducting electricity and generating heat, and the usage may be selected according to an actual requirement, and in addition, the conductive segment 13 and the heat generating segment may be made of the same material, or may be made of different materials, which may also be selected according to an actual requirement.

For example, referring to fig. 3 or fig. 6, in some embodiments, the conductive segments 13 may be used only for conducting electricity, and in practical implementation, the conductive segments 13 may be made of a material with a relatively low resistance, such as a pure metal material: copper, silver, aluminium, nickel, titanium etc for conducting segment 13 generates heat less or not generate heat, can regard as the wire to use, and the section of generating heat can select the great material of resistance, like the alloy material: stainless steel, iron-chromium-aluminum alloy, nickel-chromium alloy and the like, so that the heating section can be used for heating. For another example, please refer to fig. 3 or fig. 6, in another embodiment, the conductive segment 13 may also be used for generating heat, the conductive segment 13 is a metal wire or a heating resistance wire, and in the specific implementation, the conductive segment 13 may also be made of a material with a relatively large resistance as the heating segment, so that the conductive segment 13 can be used for generating heat as the heating segment.

Referring to fig. 3, 6 or 7, in some embodiments, the lengths of the heat-generating segments may be set to be equal, for example, the lengths of the first heat-generating segment 11 and the second heat-generating segment 12 are set to be equal. With such an arrangement, in the same time, the heat conducted by the first heating section 11 and the second heating section 12 to the heat conducting member 30 at the corresponding positions is the same, which corresponds to the same area size of each heating area 301, and the amount of volatile substances vaporized by each heating section is the same, so that the mouth feel of each cigarette smoked is the same.

Of course, in other embodiments, the lengths of the first heat-generating section 11 and the second heat-generating section 12 may not be equal. The areas corresponding to the heating areas 301 have different sizes, and the amount of volatile substances vaporized each time is different, so that the mouth feel of each smoked cigarette is different, for example, firstly, the heating section with a longer length is controlled to heat, then, the heating section with a shorter length is controlled to heat, so that the smoke taste of the first cigarettes is heavier, and the smoke taste of the second cigarettes is lighter, so that the smoked cigarettes with different mouth feel habits can be satisfied.

Referring to fig. 1 to 3, in some embodiments, the heat conducting member 30 is a flat plate, and the heat generating sections are arranged along the length direction of the heat conducting member 30 from top to bottom in a segmented manner, and illustratively, the first heat generating section 11 and the second heat generating section 12 are linearly arranged along the length direction of the heat conducting member 30. Thereby dividing the heat-conducting member 30 into different heating zones 301 along the length direction thereof, and realizing upper and lower divided heating.

Referring to fig. 4 to 6, in other embodiments, the heat conducting member 30 is a flat plate, the heat generating sections are sequentially arranged along the width direction of the heat conducting member 30 from left to right at intervals in a segmented manner, illustratively, the first heat generating section 11 and the second heat generating section 12 are arranged along the width direction of the heat conducting member 30 at intervals, and both the first heat generating section 11 and the second heat generating section 12 extend along the length direction of the heat conducting member 30. Thereby dividing the heat-conductive member 30 into different heating zones 301 along the width direction thereof, and realizing left-right zoned heating.

Referring to fig. 3 or fig. 6, in some embodiments, at least one of the heat-generating sections is arranged in a winding manner, illustratively, the first heat-generating section 11 and the second heat-generating section 12 are arranged in a winding manner, and the winding manner of the heat-generating section has a larger electrical resistance than the straight-line type heat-generating section, so that more heat can be generated in the same time, and the contact area between the heat-generating section and the heat-conducting member 30 can be increased, so that the heat generated by the heat-generating section can be more quickly conducted to the heat-conducting member 30; thus, the heating efficiency of the entire heating assembly 100 is advantageously improved.

Referring to fig. 1-3 or fig. 4-6, in some embodiments, the heat conducting member 30 includes at least two flat plate-shaped shells 30 'that are assembled together, a cavity 33 is formed between the two flat plate-shaped shells 30', the heating element 10 is located in the cavity 33, and each heating section abuts against the inner wall of the flat plate-shaped shell; the plate-shaped casing 30' is provided with electrode connection terminals 32 for connecting the respective electrodes and an insertion end 31 disposed opposite to the electrode connection terminals 32, the insertion end 31 being disposed in a pointed structure.

In this embodiment, the heat conducting member 30 is designed as two flat plate-shaped shells 30 'which can be joined together, and the two flat plate-shaped shells 30' are joined together to form the cavity 33 for accommodating the heating element 10 therebetween, so that the heat generating sections can be conveniently installed in the heat conducting member 30, the assembly convenience between the heating element 10 and the heat conducting member 30 is improved, and the heat generated by the heat generating sections can be better conducted to the heat conducting member 30 from the inside to the outside. In addition, in this embodiment, one end of the heat conducting member 30 away from each electrode is set to be a sharp angle structure, so that the heat conducting member 30 can be inserted into a cigarette smoothly for use, wherein in specific implementation, the sharp angle structure may be a tip of a leaf point shape, a tip of a triangle, or a tip of a wave shape, as long as the requirement of use can be met, which is not limited in this embodiment.

Referring to fig. 1-3 or fig. 4-6, more specifically, in some embodiments, a groove (not shown) for embedding the heating element 10 is disposed on an inner wall of the plate-shaped casing 30'. It can be understood that the inner wall of the cavity 33 is provided with a groove, and the shape of the groove is adapted to the shape of the heating element 10, so that the heating element 10 can be embedded in the groove, and thus, the heating element 10 can be more stably installed in the heat conducting member 30.

Referring to fig. 1 or 4, in some embodiments, the heating assembly 100 further includes a base 40, the base 40 is provided with a fixing groove 41 for inserting the electrode connecting end 32 of the flat-plate-shaped housing 30', the electrode connecting end 32 is inserted into the fixing groove 41, illustratively, the lower end of the heat conducting member 30 is inserted into the fixing groove 41, and it can be understood that the fixing groove 41 can be disposed through the base 41 so as to electrically connect each electrode with the positive and negative electrodes of the host power supply. In this embodiment, by additionally providing the base 40 for fixing the heat-conducting member 30, when the heating assembly 100 of this embodiment is applied to a low-temperature non-combustion heating device, it is convenient to install the whole heating assembly 100 in a heat-generating chamber of the low-temperature non-combustion heating device (it is understood that the heat-generating chamber can be used for accommodating cigarettes).

Referring to fig. 7-8, in still other embodiments, the heat conducting member 30 is a hollow cylindrical shell (illustratively, the cylindrical shell has a receiving cavity 34 for receiving a cigarette), and the heat generating sections are disposed in a winding manner and spaced from each other along the circumference of the cylindrical shell or along the length direction of the cylindrical shell.

In this embodiment, in implementation, each of the heat generating sections may be embedded in the inner wall of the accommodating cavity 34, or may be embedded in the outer circumferential surface of the cylindrical shell, and in implementation, each of the heat generating sections may be roundabout and bent along the circumferential direction of the cylindrical shell and may be arranged at intervals, so that at least two heat generating regions with different positions may be formed in the axial direction of the cylindrical shell; in addition, each heating section can also be roundly bent along the length direction of the cylindrical shell (namely, the axial direction of the cylindrical shell) and arranged at intervals, so that at least two heating zones with different positions can be formed in the circumferential direction of the cylindrical shell. In this embodiment, the specific arrangement manner of each heating section may be selected according to actual needs as long as it can realize zone heating, and this embodiment is not particularly limited to this, and illustratively, the heating section of this embodiment is provided with two, which are respectively the first heating section 11 and the second heating section 12, and both the two heating sections are embedded in the outer circumferential surface of the cylindrical shell and are roundly bent along the length direction of the cylindrical shell and are arranged at intervals.

Referring to fig. 7 to 8, in some embodiments, the heating assembly 100 further includes at least a first electrode 21, a second electrode 22, and a third electrode 23, one end of each of the first electrode 21, the second electrode 22, and the third electrode 23 is connected to the heating element 10, the second electrode 22, the first electrode 21, and the third electrode 23 are sequentially arranged at intervals along the circumference of the cylindrical shell, a portion of the heating element 10 located between the first electrode 21 and the second electrode 22 forms a heating section (i.e., the second heating section 12), and a portion of the heating element 10 located between the first electrode 21 and the third electrode 23 forms another heating section (i.e., the first heating section 11).

In this embodiment, in practical implementation, the first electrode 21 can be used to electrically connect with the negative electrode of the host power supply, and the second electrode 22 and the third electrode 23 can be used to electrically connect with the positive electrode of the host power supply, that is, the first electrode 21 can be used as the negative electrode, and the second electrode 22 and the third electrode 23 can be used as the positive electrode, so that when the first electrode 21 and the third electrode 23 are both powered and the second electrode 22 is not powered, the first heat generation segment 11 can be powered to generate heat, and the second heat generation segment 12 does not generate heat; when the first electrode 21 and the second electrode 22 are electrified and the third electrode 23 is not electrified, the second heating section 12 can be electrified to generate heat, and the first heating section 11 does not generate heat; when the first electrode 21, the second electrode 22 and the third electrode 23 are all electrified, the first heating section 11 and the second heating section 12 are all electrified to generate heat; therefore, the two heating sections can independently heat in time intervals and can independently heat in the same time. In this embodiment, by additionally providing a plurality of electrodes, each of the heating segments can be electrically connected to the positive electrode and the negative electrode of the host power supply.

Referring to fig. 1 to 8, an embodiment of the present invention further provides a low-temperature non-combustible heating device, the low-temperature non-combustible heating device includes a heating element 100, and the specific structure of the heating element 100 refers to the above embodiments, and since the low-temperature non-combustible heating device adopts all technical solutions of all the above embodiments, the low-temperature non-combustible heating device also has all beneficial effects brought by the technical solutions of the above embodiments, which are not repeated herein.

More specifically, in some embodiments, the low-temperature non-combustible heating apparatus further includes a host power supply system electrically connected to each heating section in the heating assembly 100, where the host power supply system specifically includes a host power supply and a control circuit board, and the control circuit board is electrically connected to the host power supply and each heating section, respectively, where the control circuit board can be used to control each heating section to be powered on and heated in different time periods or simultaneously; the host power supply may be a battery of a lithium battery or the like type for supplying electric power to the heat generating body 10.

The above are merely examples of the present invention and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (17)

1. A heating assembly, characterized by: the method comprises the following steps: the heating body comprises at least two heating sections which can independently generate heat, each heating section is in contact with the heat conducting piece, and each heating section is respectively arranged corresponding to different parts of the heat conducting piece, so that at least two heating zones with different positions are formed on the heat conducting piece.

2. The heating assembly of claim 1, wherein: heating element still includes first electrode, second electrode and third electrode at least, the first electrode the second electrode and the one end of third electrode is all connected the heat-generating body, just the first electrode the second electrode and third electrode interval arrangement, the heat-generating body is located the first electrode with part between the second electrode forms a section of generating heat, the heat-generating body is located the first electrode with part between the third electrode forms another section of generating heat.

3. The heating assembly of claim 2, wherein: the first electrode is a negative electrode, and the second electrode and the third electrode are positive electrodes.

4. A heating assembly as claimed in any one of claims 1 to 3, wherein: the heat conducting piece is an insulator made of non-valve metal, valve metal or heat conducting ceramic; the heating body is a conductor made of non-valve metal, conductive ceramic or valve metal.

5. The heating assembly of claim 3, wherein: the heating assembly further comprises at least two conductive segments, wherein the first electrode, the second electrode and the third electrode are sequentially arranged at intervals along the width direction of the heat conducting piece, one of the conductive segments is electrically connected between one end of one of the heating segments and the first electrode, and the other conductive segment is electrically connected between one end of the other of the heating segments and the third electrode.

6. The heating assembly of claim 3, wherein: the heating assembly further comprises at least one conductive segment, the second electrode, the first electrode and the third electrode are sequentially arranged at intervals along the width direction of the heat conducting piece, and the conductive segment is connected between the first electrode and the connection point of the two heating segments.

7. The heating assembly of claim 5 or 6, wherein: the conductive segments are also used to generate heat.

8. The heating assembly of claim 7, wherein: the conductive section is a metal wire or a heating resistance wire.

9. The heating assembly of any of claims 1-3, 5 or 6, wherein: the heat conducting piece is in a flat plate shape, and the heating sections are arranged from top to bottom in a segmented manner along the length direction of the heat conducting piece; or the heating sections are sequentially arranged at intervals in a segmented manner from left to right along the width direction of the heat conducting piece.

10. The heating assembly of any of claims 1-3, 5 or 6, wherein: the lengths of the heating sections are arranged equally or not.

11. The heating assembly of claim 9, wherein: at least one heating section is arranged in a winding and bending way.

12. The heating assembly of claim 9, wherein: the heat conducting piece comprises at least two flat-plate-shaped shells, the heating body is positioned in a cavity between the at least two flat-plate-shaped shells, and each heating section is abutted to the inner wall of the flat-plate-shaped shell; the flat-plate-shaped shell is provided with an electrode connecting end used for connecting each electrode and an insertion end arranged opposite to the electrode connecting end, and the insertion end is arranged in a sharp-angled structure.

13. The heating assembly of claim 12, wherein: and a groove for embedding the heating body is formed in the inner wall of the flat-plate-shaped shell.

14. The heating assembly of claim 12, wherein: the heating assembly further comprises a base, wherein the base is provided with a fixing groove for the electrode connecting end of the flat-plate-shaped shell to be inserted, and the electrode connecting end is inserted in the fixing groove.

15. A heating assembly as claimed in claim 2 or 3, wherein: the heat conducting piece is a hollow cylindrical shell, and the heating sections are roundly bent and arranged at intervals along the circumferential direction of the cylindrical shell or along the length direction of the cylindrical shell.

16. The heating assembly of claim 15, wherein: the second electrode, the first electrode and the third electrode are sequentially arranged at intervals along the circumferential direction of the cylindrical shell.

17. A low-temperature non-combustion heating device is characterized in that: the heating assembly as claimed in any one of claims 1 to 16, wherein the low-temperature non-combustible heating device further comprises a host power supply system, and the host power supply system is electrically connected with each heating section in the heating assembly and is used for controlling each heating section to generate heat by electric conduction.

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