CN114504141A - Partition heating body and low-temperature smoking set applying same - Google Patents

Abstract

The invention discloses a subarea heating body and a low-temperature smoking set applied by the same, wherein the heating body is provided with a heating cavity for inserting a cigarette, the heating cavity is provided with at least two heating sections in the axial direction, the surface of one heating section is distributed with an integral heating area which independently wraps the cigarette in the circumferential direction, the surface of the other heating section is distributed with at least two local heating areas which surround and wrap the cigarette in the circumferential direction, and each heating area is distributed with a heating wire which is independently controlled to heat corresponding to the area.

Description

Partition heating body and low-temperature smoking set applying same

Technical Field

The invention belongs to the technology of low-temperature cigarettes, and particularly relates to a partition heating body for low-temperature cigarettes and a low-temperature smoking set applying the partition heating body.

Background

There are three different sizes of diameter of the cigarette that is not burned in the existing market, the first is thin cigarette, the diameter is 5.5mm, the second is medium cigarette, the diameter is 6.7mm, the third is thick cigarette, the diameter is 7.8 mm. For the first specification, the heating body is long, the appliance space is also long, and the heating device is suitable for sectional heating. The second and third cigarettes are short in length, thick in diameter and short in space requirement of appliances, are not suitable for sectional heating and are suitable for central heating and left and right two-piece type partition heating.

The left and right two-piece type zone heating mode has better smoke smell than slim cigarettes, the left and right two-piece type zone heating body is as shown in figure 1 and figure 2, the heating body is divided into a first heating area 101 and a second heating area 102, the first heating area 101 and the second heating area 102 are distributed in two semi-circle areas of the heating body in a parallel mode, when a cigarette is inserted into the heating body, the first heating area 101 is started in sequence, the second heating area 102 is started after the set heating time is over, left and right split heating is formed, and accordingly thick cigarettes with thick diameters are fully heated. However, the diameter of the thick cigarette is thick, and the first heating area 101 directly covers a half area of the thick cigarette, so that the cigarette discharging time of the first heating area 101 is long, which reaches about 1 minute, the use is inconvenient, the use patience of consumers is consumed, and the product popularization is not facilitated.

Disclosure of Invention

The technical problem solved by the invention is as follows: aiming at the problem that the existing partition heating body has slow smoke discharge when heating a thick cigarette, a novel partition heating body and a low-temperature smoking set using the same are provided.

The invention is realized by adopting the following technical scheme:

the subregion heat-generating body, the heat-generating body has and is used for a cigarette male chamber that generates heat, the chamber that generates heat sets up two at least sections that generate heat on axial direction, and one of them section surface distribution that generates heat is with the whole district that generates heat that a cigarette circumferencial direction independently wrapped up, and all the other section surface distributions that generate heat surround the local heating area that wraps up a cigarette from a cigarette circumferencial direction at least two, and the heater that sets up the control that independently generates heat in this region of every heating.

In the above scheme, further, the axial length of the heating section where the integral heating area is located is smaller than the axial length of the heating section where the local heating area is located.

The subregion heat-generating body in the above-mentioned scheme, it is further, whole heating zone place heating section is close to a cigarette filter one side and sets up.

The zone heating element in the above scheme, further, the heating element includes a first base layer, the heater is attached to the same side surface of the first base layer and rolled into a tubular body with a heating cavity, and the heater is located on the inner side of the tubular body.

The partition heating body in the above scheme further comprises a temperature sensing layer, wherein the temperature sensing layer is attached to the second base layer and is pressed on the outer wall of the tubular body of the first base layer through the second base layer.

In the above scheme, the first base layer and the second base layer are made of ceramic base materials.

In the above scheme, the temperature sensing layer further includes a first temperature sensing resistor and a second temperature sensing resistor attached to the second base layer, the first temperature sensing resistor is covered by the whole heating area, and the second temperature sensing resistor corresponds to the area between the local heating areas and is partially covered by all the local heating areas.

The subregion heat-generating body in the above-mentioned scheme, it is further, be equipped with axially extended recess on the inner wall of siphonozooid, a cigarette inserts and seals the recess and form the air flue that outside air got into the heat-generating body, the bottom of siphonozooid is equipped with a cigarette backing ring of fixing a position cigarette male, a cigarette backing ring lateral part is equipped with the through-hole of introducing the air in the air flue into the column heating intracavity.

The invention also discloses a low-temperature smoking set applying the zone heating element, which comprises a shell and the zone heating element, wherein a mainboard and a battery are arranged in the shell, the battery is electrically connected with the mainboard, a heating cavity with an upward opening is formed in the shell through a heat insulation layer, the heating element is fixedly arranged in the heating cavity through a heating element flange, and the heating wire and the temperature sensing resistor are both electrically connected with the mainboard in the shell.

In the low-temperature smoking set in the above scheme, further, a dust cover for shielding the top opening of the heating cavity is arranged at the top of the shell.

The invention discloses a subarea heating body which adopts a specific heating area subarea layout scheme, wherein a section of integral heating area with shorter axial length is arranged at the position of the heating body close to a cigarette filter tip, the integral heating area carries out full-surrounding heating on a cigarette from the circumferential direction, the cigarette coverage range is smaller, a small amount of tobacco shreds are heated through the heating area after the machine is started, the first cigarette outlet speed is ensured to be within 30 seconds, and the cigarette outlet speed of a cigarette set is improved. The whole heating area is close to the other local heating areas, after the whole heating area stops heating, the whole heating area can keep a higher temperature after stopping heating when the other local heating areas work, and the temperature is lower than the lower temperature to cause the adsorption of smoke, so that the smoke outlet speed is ensured, and the smoke smell is also ensured.

The invention also adopts the temperature sensing resistor with the sandwich structure to detect the temperature of the heating area, thereby realizing the accurate control of the heating temperature of the low-temperature smoking set.

In conclusion, compared with the existing partition heating mode, the partition heating body is more reasonable in arrangement, so that the low-temperature smoking set has a faster cigarette discharging speed, the cigarette discharging smell of cigarettes is guaranteed, and the experience of the low-temperature smoking set is improved.

The invention is further described with reference to the following figures and detailed description.

Drawings

FIG. 1 is a schematic view of a conventional heating element for heating left and right two-piece zones.

Fig. 2 is a schematic diagram of the distribution of the heating zones after the development of the existing left and right two-piece zone heating element.

FIG. 3 is a schematic view of a heating zone formed by heating wires of a zone heating element according to the first embodiment.

FIG. 4 is a schematic view showing the development of the heating wires of the zone heating elements according to the first embodiment.

FIG. 5 is a schematic view of a layered structure of a zone heating element according to the first embodiment.

FIG. 6 is an exploded perspective view of the zone heating element according to the first embodiment after development.

FIG. 7 is a schematic view showing a partial flow route of a zone heat-generating body according to the second embodiment.

Fig. 8 is a schematic view of the internal assembly of the low-temperature smoking set of the second embodiment.

Fig. 9 is an explosion diagram of the low-temperature smoking set of the second embodiment.

Fig. 10 is a schematic view of the internal smoke flow path of the low-temperature smoking set according to the second embodiment.

Reference numbers in the figures: 1-a heating body, 1A-a first heating section, 1B-a second heating section, 101-a first heating area, 102-a second heating area, 103-a third heating area, 11-a heating wire, 111-a first independent electrode, 112-a second independent electrode, 113-a third independent electrode, 114-a heating common electrode, 12-a first base layer, 13-a temperature sensing layer, 131-a first temperature sensing resistor, 132-a second temperature sensing resistor, 133-a first temperature sensing electrode, 134-a second temperature sensing electrode, 135-a temperature sensing common electrode, 14-a second base layer, 15-a cigarette backing ring, 16-an air channel and 100-cigarettes,

2-shell, 21-upper cover, 22-middle frame, 23-lower cover bracket, 24-lower cover, 3-battery, 41-heating element upper flange, 42-heating element lower flange, 51-heat insulation layer upper shell, 52-heat insulation layer lower shell, 6-main board, 7-dust cover.

Detailed Description

Example one

Referring to fig. 3, 4, 5 and 6, the sectional heating element in the figure is a specific embodiment of the present invention, the heating element 1 is a tubular body, a heating cavity for inserting a cigarette is arranged inside the tubular body, the tube wall of the tubular body is coiled by a layered structure, the tube wall of the tubular body sequentially comprises a heating wire 11, a first base layer 12, a temperature sensing layer 13 and a second base layer 14 from inside to outside, wherein the heating wire 11 is an electric heating component of the heating element 1, the cigarette 100 inserted into the heating cavity of the heating element is heated without burning by being connected to a heating circuit, the first base layer 12 is an adhesion layer of the heating wire 11, and simultaneously the second base layer 14 is a tube wall main body structure of the heating element 1, the temperature sensing layer 13 detects the temperature of the area where the heating wire 11 is located, the feedback controls the heating wire 11 to accurately control the temperature of the cigarette, the second base layer 14 is an adhesion layer of the temperature sensing layer 13, and the first base layer 12 is used as the pipe wall main body structure of the heating body.

The heating cavity of the heating body 1 is provided with at least two heating sections in the axial direction, wherein one section of the heating section is distributed on the surface of the whole heating area which independently wraps the cigarette in the circumferential direction, the rest of the heating sections are distributed on the surface of the at least two local heating areas which surround and wrap the cigarette in the circumferential direction, and heating wires which are used for independently controlling the heating of the corresponding areas are arranged in each heating area. The heat-generating body can realize the subregion heating, through the heating wire resistance size of adjusting each district that generates heat, can adjust the heating temperature in each district that generates heat, and then satisfies diversified heating demand.

Specifically, as shown in fig. 3 and fig. 4, the heating element 1 of this embodiment is provided with a first heating section 1A and a second heating section 1B in the axial direction of the main body heating cavity, wherein the axial length of the first heating section 1A is smaller than the axial length of the second heating section 1B, the first heating section 1A is located above the second heating section 1B, and after the cigarette 100 is inserted, the first heating section 1A is closer to one side of the cigarette filter. Only the first heating area 101 is distributed on the surface of the first heating section 1A to serve as an integral heating area, a heating area formed by heating wires in the first heating area 101 covers a columnar space where the first heating section 1A is located, and the cigarette part covered by the first heating section 1A is integrally and independently heated; the surface of the second heating section 1B is distributed with a second heating area 102 and a third heating area 103, the second heating area 102 and the third heating area 103 are symmetrical along the axial plane where the second heating section 1B is located, and the semi-circumference areas covered by the left half and the right half of the second heating section 1B are respectively heated in a partitioning manner.

The heating wires 11 in the heating areas are attached to the same side surface of the first base layer 12 in a snake shape, wherein the heating wires of the first heating area 101 are laid in a snake shape along the circumferential direction, the heating wires of the second heating area 102 and the third heating area 103 are laid in a snake shape along the axial direction, and after the first base layer 12 is rolled into a tubular body, the heating wires 11 are all located on the inner side wall of the heating cavity of the tubular body. A first independent electrode 111 is led out from one end of a heating wire of the first heating area 101, a second independent electrode 112 is led out from one end of a heating wire of the second heating area 102, a third independent electrode 113 is led out from one end of a heating wire of the third heating area 103, the other end of the first heating area 101, the other end of the second heating area 102 and the other end of the third heating area 103 are connected in parallel through a heating common electrode 114, and the heating wires of all the heating areas are respectively connected in parallel to a heating circuit of the low-temperature smoking set through independent electrodes and the heating common electrode 114 in the respective heating areas. Regarding the low-temperature smoking set zone heating circuit, which belongs to the mature prior art in the field, the circuit connection of the heating wire in the present embodiment is not described herein again.

The temperature sensing layer 13 is attached to the second base layer 14 and is pressed on the outer wall of the tubular body of the first base layer 12 through the second base layer 14. The temperature sensing layer 13 in this embodiment adopts a temperature sensing resistor printed on the second base layer 14, and includes a first temperature sensing resistor 131 and a second temperature sensing resistor 132, where the first temperature sensing resistor 131 is printed on the second base layer 14 in a region covered by the first heat-generating region 101 as a whole, the second temperature sensing resistor 132 is printed on the second base layer 14 in a region corresponding to the region between the second heat-generating region 102 and the third heat-generating region 103, and the second temperature sensing resistor 132 is covered by the second heat-generating region 102 and the third heat-generating region 103 locally, that is, the first temperature sensing resistor 131 only monitors the heat-generating temperature of the first heat-generating region 101, and the second temperature sensing resistor 132 can monitor the heat-generating temperature of the second heat-generating region 102 and also can monitor the heat-generating temperature of the third heat-generating region 103.

One end of the first temperature sensing resistor 131 is provided with a first temperature sensing electrode 133, one end of the second temperature sensing resistor 132 is provided with a second temperature sensing electrode 134, the other end of the first temperature sensing resistor 131 and the other end of the second temperature sensing resistor 132 are connected through a temperature sensing common electrode 135, and the first temperature sensing resistor 131 and the second temperature sensing resistor 132 are respectively connected in parallel to a temperature measuring circuit of the low-temperature smoking set through respective temperature sensing electrodes and temperature sensing common electrodes 135 so as to sense temperature information of corresponding heating areas and feed back the temperature information to a control mainboard of the low-temperature smoking set to control the working temperature of the heating element. The temperature measuring circuit of the low-temperature smoking set belongs to the mature prior art in the field, and the present embodiment does not describe herein the circuit connection of the temperature sensing resistor in the present embodiment.

In this embodiment, the first base layer 12 and the second base layer 13 are both made of ceramic substrates, wherein the heating wire 11 is formed by printing conductive paste with a small square resistance and a fast heating rate on the first base layer 12 by a screen printing process, and the temperature sensing resistor is formed by printing conductive paste with a large square resistance on the second base layer 14 by a screen printing process.

As shown in fig. 5 and 6, in the manufacturing process of the heating element 1 of this embodiment, the heating wires are printed on the first base layer 12 according to the distribution of each heating area, the temperature-sensitive resistors are printed on the second base layer 14 according to the distribution of each temperature-sensitive resistor, the two base layers are stacked together and rolled into a tubular body with a heating cavity, the tubular body is placed into an isostatic press for static pressure, so that the two base layers are integrated, and then sintered to form a ceramic heating element with a certain strength, and the electrode lead ends of the heating wires 11 and the temperature-sensitive layer 13 are led out from the tail end of the ceramic heating element, thereby facilitating the connection with an external power supply. The gap between the temperature sensing layer 13 and the heating wire 11 of the heating body structure is stable, the positions are uniform, the accurate temperature control is guaranteed, and the temperature sensing resistor serving as a temperature sensing element is not easy to damage.

In some possible embodiments, the heating wire 11 is located on the inner side wall of the lumen of the heating body, and the inner surface of the tubular body may be further provided with a protective coating (not shown in the figure) for protecting the heating wire 11. In such a mode, the heating circuit can be protected by the protective coating, the heating circuit is prevented from being oxidized by air when being heated, the inner wall of the first base layer 12, which is positioned at the innermost side of the heating body and is contacted with a cigarette, is easy to clean by the protective coating, the service life of the heating body is prolonged, and the practicability is high.

Specifically, the glass glaze coating may be used as the protective coating, and the glass glaze coating may provide better protection for the heating wire 11 by utilizing its characteristics of high strength, high hardness, good weather resistance and good corrosion resistance. The ceramic substrate can be zirconia ceramic, mullite ceramic, silicon nitride ceramic or alumina ceramic. Adopt above-mentioned kind of pottery, heat-conducting property is good, and high temperature resistance is strong, and mechanical strength is high, and is corrosion-resistant wear-resisting, enables the heat-generating body to have higher intensity, and the heat-conducting property of intensification heating is good, has improved the intensification heating efficiency of heat-generating body, and the practicality is high.

The inner wall of the tubular body of the heating body 1 is provided with a groove extending axially, a cigarette 100 is inserted into the groove to form an air passage 16 for external air to enter the heating body, the bottom of the tubular body of the heating body 1 is also fixedly provided with a cigarette backing ring 15 for positioning the cigarette to be inserted, and the side part of the cigarette backing ring 15 is provided with a through hole for introducing air in the air passage into the columnar heating cavity.

Specifically as shown in fig. 5 and 7, the tubular body of heat-generating body 1 is at the arc cross-section recess that the book system in-process inner wall formed, after heat-generating body 1 installed to low temperature smoking set, cigarette 100 inserted in the chamber that generates heat of heat-generating body 1, and it is spacing that cigarette backing ring 15 is passed through to a cigarette bottom, and the arc recess of heat-generating body 1 inner wall acts as the air inlet channel, and outside air current can pass through inside cigarette 15 of cigarette backing ring through this arc recess, and the suction resistance is little, and user experience feels good. The heating wire and the temperature measuring resistor are not printed in the area of the heating body 1 provided with the air passage.

The heating element 1 of the present embodiment is divided into three zones for heating, which are a first heating zone 101, a second heating zone 102, and a third heating zone 103. The first heating area 101 is designed to be a full-surrounding heating mode for the first heating section 1A, the second heating area 102 and the third heating area 103 are designed to be a semi-surrounding heating mode which is bilaterally symmetrical to the second heating section 1B, and the three heating areas are respectively provided with an independent electrode and share a common electrode. Printing conductive paste of a heating wire on a first base layer 12 corresponding to a first heating area 101, a second heating area 102 and a third heating area 103, printing conductive paste of a temperature-sensing resistor on a second base layer 14 at a set position corresponding to each heating area, wherein the first base layer 12 and the second base layer 14 are in a flat state when printing the heating wire and the temperature-sensing resistor, as shown in fig. 5, after printing is completed, the flat first base layer 12 and the second base layer 14 are overlapped together, and then a jig is rolled into a special pipe with grooves on the side edges, so that the heating wire and the temperature-sensing resistor are not printed on the first base layer 12 and the second base layer 14 in the groove area. And putting the special pipe together with the jig into an isostatic press for isostatic pressing, so that the first base layer 12 and the second base layer 14 are combined into a whole. Taking out the jig, and sintering at high temperature. A cigarette backing ring 15 made of ceramic materials is bonded at the bottom of the special pipe, so that one end of the tubular body of the heating body is sealed. When the cigarette 100 is inserted into the heating cavity of the heating body, the cigarette backing ring 15, the groove and the interior of the cigarette form a temporary air inlet channel, as shown in fig. 7.

Example two

Referring to fig. 8, 9 and 10, the illustrated low-temperature smoking set is an embodiment of the low-temperature smoking set of the present invention, and specifically includes a heating element 1, a housing 2, an upper cover 21, a middle frame 22, a lower cover support 23, a lower cover 24, a battery 3, a heating element upper flange 41, a heating element lower flange 42, a heat insulating layer upper shell 51, a heat insulating layer lower shell 52, a main board 6, and a dust-proof cover 7, where the heating element 1 is an embodiment of the first embodiment, a heating cavity with an upward opening is formed in the housing 2, the heating element 1 is coaxially installed in the heating cavity, the heating element 1 is fixed in the heating cavity by the heating element upper flange 41 and the heating element lower flange 42 at both ends, and a dust-proof cover 7 that slides to shield or expose the top opening of the heating cavity is further provided at the top of the housing 2, and when the dust-proof cover 7 shields the top opening, dust-proof can be achieved. In addition, the heat insulating layer that the periphery parcel in the heating chamber set up includes the heat insulating layer epitheca 51 and the heat insulating layer inferior valve 52 of mutual lock, can prevent through the heat insulating layer that the heat from to peripheral diffusion, prevents that the smoking set from scalding, and the heat insulating layer can adopt structures such as vacuum heat insulating layer or thermal-insulated cotton.

Be equipped with battery 3 and mainboard 6 in this low temperature cures smoking set's the casing 2, battery 3 is connected with mainboard 6 electricity, is formed with the ascending heating chamber of opening in the casing 2, is pipy heat-generating body 1 coaxial arrangement in the heating chamber, and heater and temperature sensing resistance on the heat-generating body 1 all are connected with mainboard 6 electricity in the casing 2, and during the use, cigarette 100 inserts in the heating chamber of heat-generating body 1, utilizes heat-generating body 1 to encircle the heating to low temperature cigarette 100. When the battery 3 is a rechargeable battery, a charging port may be provided in the housing 2, and the battery 3 may be charged by the charging port.

Specifically, the casing 2 includes an upper cover 21, a middle frame 22, a lower cover support 23 and a lower cover 24, the middle frame 22 and the lower cover support 23 are arranged between the upper cover 21 and the lower cover 24, the upper cover 21 and the lower cover 24 are respectively connected with two side faces of the middle frame 22 and the lower cover support 23 through buckles, the middle frame 22 and the lower cover support 23 are mutually buckled to form the casing 2, after the upper cover 21 and the lower cover 24 are connected, an installation heat insulation layer is formed between the upper cover 21, the middle frame 22, the lower cover support 23 and the lower cover 24, a space for a battery and a mainboard is formed, the heat insulation layer, the battery and the mainboard are installed in the corresponding installation space, and the installation and the disassembly are convenient.

The working mode of the low-temperature smoking set of the embodiment is as follows:

opening the dust cover 7, inserting the cigarette 100 into the cylinder heating cavity of the heating body 1, opening the power supply of the smoking set, starting heating the first heating area 101 of the heating body 1, starting collecting the temperature of the first heating area 101 by the first temperature-sensing resistor 131, and after 20-30 seconds, sending a vibration signal to the smoking set to suck the first cigarette. The first heat generation region 101 generates heat, and the second heat generation region 102 and the third heat generation region 103 are simultaneously preheated due to the heat conduction. The first heating area 101 is closed after working for 30 seconds, the second heating area 102 starts to heat, the second temperature-sensing resistor 132 starts to acquire the temperature of the second heating area 102, the second heating area 102 is closed after working for 70 seconds, the third heating area 103 starts to heat, the second temperature-sensing resistor 132 is not closed, the temperature of the third heating area 103 continues to be acquired, and the third heating area 103 is closed after heating for 70 seconds.

As shown in figure 10, the cigarette 100 is inserted to the bottom and then contacts with the cigarette backing ring at the bottom of the heating element to form a temporary air passage 16 with the groove on the side wall of the heating element and the inside of the cigarette, and in the process of suction, the external air enters the heating element from the air passage 16, then flows out from the tobacco gap channel inside the low-temperature cigarette 100 and finally is sent into the oral cavity of a user to complete the circulation of air flow.

After the smoking is finished, the cigarette 100 is pulled out of the heating body, the inner wall of the heating cavity of the whole heating body forms a smooth cavity, and the condensate formed in the cigarette heating process and the falling tobacco are concentrated in the heating body, so that the cigarette is convenient to clean.

The above examples are merely illustrative for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Nor is it intended to be exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.

Claims (10)

1. Subregion heat-generating body, its characterized in that: the heating body has and is used for a cigarette male chamber that generates heat, the chamber that generates heat sets up two at least sections that generate heat on axial direction, and wherein one section surface distribution that generates heat is with the whole district that generates heat that a cigarette circumferencial direction independently wrapped up, and all the other section surface distributions that generate heat surround the local district that generates heat that wraps up a cigarette from a cigarette circumferencial direction at least two, and the heater that should regional independent heating control is laid in every district that generates heat.

2. A zone heating body as claimed in claim 1, wherein the axial length of the heating section in which the integral heating zone is located is smaller than the axial length of the heating section in which the local heating zone is located.

3. A zone heating body as claimed in claim 2, wherein the heating section where the integral heating zone is located is arranged near one side of the cigarette filter.

4. A zone heating body as defined in claim 3, said heating body including a first base layer, said heating wire being stuck to the same side surface of the first base layer and rolled into a tubular body having a heating chamber, said heating wire being located inside said tubular body.

5. A zone heating element according to claim 4, further comprising a temperature-sensitive layer which is pasted on the second base layer and is press-fitted on the outer wall of the tubular body of the first base layer through the second base layer.

6. A zone heat-generating body as described in claim 5, wherein the first base layer and the second base layer are made of ceramic substrates.

7. The zone heating element according to claim 5, wherein the temperature sensing layer comprises a first temperature sensing resistor and a second temperature sensing resistor attached to a second base layer, the first temperature sensing resistor is covered by the whole heating zone, and the second temperature sensing resistor is partially covered by all the local heating zones corresponding to the area between the local heating zones.

8. A zone heat-generating body according to claim 4, be equipped with the recess of axial extension on the inner wall of siphonozooid, cigarette inserts and seals the recess and form the air flue that outside air got into the heat-generating body, the bottom of siphonozooid is equipped with a cigarette backing ring that a location cigarette inserted, a cigarette backing ring lateral part is equipped with the through-hole of leading air in the air flue into the column heating chamber.

9. The low temperature smoking set is characterized in that: the zone heating element comprises a shell and the zone heating element according to any one of claims 1 to 8, wherein a main board and a battery are arranged in the shell, the battery is electrically connected with the main board, a heating cavity with an upward opening is formed in the shell through a heat insulation layer, the heating element is fixedly arranged in the heating cavity through a heating element flange, and the heating wire and the temperature sensing resistor are both electrically connected with the main board in the shell.

10. The low temperature smoking article of claim 9, the top of the housing being provided with a dust cover that shields a top opening of the heating chamber.

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