CN212937923U

CN212937923U - Electronic cigarette heating component and portable small-smoke electronic cigarette atomizer thereof

Info

Publication number: CN212937923U
Application number: CN202020502145.2U
Authority: CN
Inventors: 谭王亮
Original assignee: Shenzhen Siyuan Bell Technology Co ltd
Current assignee: Shenzhen Siyuan Bell Technology Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-04-13
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses an electronic cigarette heating component and a portable small-smoke electronic cigarette atomizer thereof, wherein the heating component comprises a bracket and a sealing element, the bracket comprises an upper bracket and a lower bracket, and an oil guide cotton sheet, an oil guide cotton cloth and a net-shaped heating sheet are sequentially clamped between the upper bracket and the lower bracket; the upper bracket is provided with an oil guide channel for introducing oil to the oil guide cotton sheet, and the lower bracket is provided with a smoke outlet; the mesh heating sheet is connected with the conductive electrode to supply power to the mesh heating sheet; the internal clearance of the oil guide cotton sheet is larger than that of the oil guide cotton cloth. The atomizer comprises an outer shell and an outer shell, wherein an oil cup is arranged in the outer shell, the oil cup is fixed in the outer shell through a base, a heating component is arranged at the bottom of the oil cup, and a smoke channel is arranged between the oil cup and the outer shell. The utility model discloses generate heat evenly, can not produce local high temperature, environmental protection, be fit for portable little smog electron cigarette.

Description

Electronic cigarette heating component and portable small-smoke electronic cigarette atomizer thereof

Technical Field

The utility model relates to a portable little smog electron smog spinning disk atomiser and heating element of electron cigarette thereof.

Background

At present, a heating body of a core component of the portable small smoke electronic cigarette atomizer mainly takes a spring-shaped heating wire, a net-shaped heating sheet and a printing heating circuit as a main part, and an oil guide carrier mainly takes cotton and micropore ceramic as a main part.

The portable small smoke electronic cigarette atomizer adopts the technical scheme of the spring-shaped heating wire, the manufacturing process of the spring-shaped heating wire is simple, heating is concentrated during working, local high temperature is easily generated, and tobacco tar is decomposed into harmful substances; the spring-shaped heating wire can select cotton or microporous ceramic as an oil guide carrier.

The portable small smoke electronic cigarette atomizer adopts the technical scheme of a net-shaped heating sheet, and currently, the portable small smoke electronic cigarette atomizer is generally used for taking microporous ceramic as an oil guide carrier due to size limitation; the electronic cigarette has complex structural design and limited application scheme. The forming process of the microporous ceramic oil guide carrier is complex, the manufacturing process is easy to pollute, the microporous ceramic is sintered at low temperature, the density of the microporous ceramic is not high, the microporous ceramic generates nondegradable ceramic dust and is inhaled into the lung in work, and the microporous ceramic oil guide carrier is slightly atomized and has a slight taste.

In addition, as shown in fig. 1, the electronic cigarette adopts cotton as an oil guide carrier and is matched with the mesh heating sheet, wherein the mesh heating sheet is annular, the oil guide cotton is cylindrical, and the oil guide cotton wraps the mesh heating sheet and is arranged in the shell; the disadvantages of such a construction are: 1. the resistance value of the netted heating sheet is very small, usually 0.1-0.5 ohm, the driving power of the netted heating sheet is required to be more than 20W, the netted heating sheet is commonly used for high-power large-smoke electronic cigarettes, the driving power of the portable small-smoke electronic cigarette atomizer is only 5-15W, only 0.8-3 ohm heating bodies can be driven, and the heating components cannot be driven, so that the structure shown in figure 1 is not suitable for the portable small-smoke electronic cigarette atomizer, the existing netted heating sheet is of a cylindrical structure, the diameter of the components is larger than 10mm, and the portable small-smoke electronic cigarette atomizer is extremely difficult to arrange; the assembly efficiency is low.

The portable small smoke electronic cigarette atomizer adopts the technical scheme of a printed heating circuit, the manufacturing process of the printed heating circuit is complex, and the structure is also limited. Since the printed heating circuit is limited by the process, only the microporous ceramic can be used as the oil guide carrier.

Another prior art solution as shown in fig. 2 is: a sheet heating net embedded ceramic heating component; the scheme embeds and burns the netted heating plate in the microporous ceramic, and the microporous ceramic is used as an oil guide carrier. The technical defects are as follows: 1. the manufacturing process is complex, pollution exists in the ceramic firing process, and when the component works, the ceramic particles are separated from the ceramic body and sucked into the lung after being heated; 2. the size of the net-shaped heating sheet is limited, and the material of the net-shaped heating sheet can only be selected from materials with high resistivity, so that the temperature control effect is difficult to realize; 3. the manufacturing process limits the shape of the heat generating component; 4. the ceramic oil guide heating component has light atomized smoke fragrance.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's defect, provide one kind and generate heat evenly, can not produce local high temperature, environmental protection, be fit for the electron cigarette heating element of portable little smog electron cigarette and portable little smog electron cigarette atomizer thereof.

The utility model provides a technical scheme that its technical problem adopted is:

an electronic cigarette heating component comprises a support and a sealing element on the support, wherein the support comprises an upper support and a lower support which are detachably connected or fixedly connected together, and an oil guide cotton sheet, an oil guide cotton cloth and a net-shaped heating sheet are sequentially clamped between the upper support and the lower support;

the upper bracket is provided with an oil guide channel for introducing oil to the oil guide cotton sheet, and the lower bracket is provided with a smoke outlet;

the mesh heating sheet is connected with the conductive electrode to supply power to the mesh heating sheet;

lead the inside clearance of oilcotton piece and be greater than the inside clearance of leading the oilcotton.

Furthermore, in the electronic cigarette heating component, preferably, the upper bracket and the lower bracket are provided with a containing groove for containing the oil-guiding cotton sheet and the oil-guiding cotton cloth in a matching manner, and the upper bracket is buckled with the lower bracket and the reticular heating sheet is matched and attached to the oil-guiding cotton cloth.

Further, in the electronic cigarette heating assembly, preferably, the support is an insulator, and the mesh heating sheet is arranged in a sheet shape, and the periphery of the mesh heating sheet is clamped between the upper support and the lower support at least at two sides.

Furthermore, in the electronic cigarette heating assembly, preferably, the conductive electrode comprises a conductive anode and a conductive cathode, and a circuit arranged in the mesh heating sheet is respectively connected with the conductive anode and the conductive cathode in an electrified manner.

Furthermore, in the electronic cigarette heating component, preferably, the conductive anode and the conductive cathode are in threaded connection or are inserted in the lower bracket in an interference fit manner, one end of each of the conductive anode and the conductive cathode is electrically connected with the reticular heating sheet, and the other end of each of the conductive anode and the conductive cathode extends out of the lower bracket to form an electric connection terminal; or one end of each of the conductive anode and the conductive cathode is electrically connected with the reticular heating sheet, and the other end of each of the conductive anode and the conductive cathode extends out of the lower bracket to form an electric connection terminal.

Furthermore, in the electronic cigarette heating assembly, preferably, the upper bracket and the lower bracket are connected and fixed together through a screw joint, a clamping joint, an insertion joint or a buckle.

Furthermore, in the electronic cigarette heating component, preferably, an annular groove is formed in the periphery of the upper support or the lower support, the sealing element is a sealing ring, and the sealing ring is embedded in the annular groove; or the sealing element is a sealing barrel which is sleeved outside the upper bracket.

Furthermore, in the electronic cigarette heating assembly, preferably, the lower support is provided with support bars, and gaps between the support bars are smoke outlets.

The utility model provides a portable little smog electron smog spinning disk atomiser, includes the shell, be equipped with the oil cup in the shell, the oil cup passes through the base and fixes in the shell, the oil cup bottom is equipped with foretell heating element, be equipped with the smog passageway between oil cup and the shell.

Further, in the portable small smoke electronic cigarette atomizer, preferably, the base is provided with a conductive terminal, and the conductive terminal is electrically contacted with the conductive electrode to conduct electricity.

The heating component of the utility model adopts the reticular heating sheet with better heating characteristic, the heating is uniform, and the local high temperature can not be generated; the mesh heating sheets are arranged in a tiled structure, so that the size of the whole assembly is reduced, and the heating assembly can be used for a portable small smoke electronic cigarette atomizer; use the cotton as leading oily body carrier, the environmental protection is pollution-free, taste is denser during the atomizing tobacco tar, simultaneously the utility model discloses reduced netted piece to structural strength's that generates heat requirement to netted thickness that generates heat the piece has been reduced, reduce the requirement of resistivity, can use the food grade 316L material preparation of low resistivity, the environmental protection on the one hand, on the other hand can utilize the big characteristic of 316L material resistance along with temperature variation, with the product of portable little smog electron smog spinning disk atomiser design banding temperature control mode, realize operating temperature accurate control, and then obtain better taste.

The utility model discloses heating element and atomizer have adopted the better netted piece that generates heat of characteristic, break through original structural limitation, use simultaneously and lead oily cotton piece, lead the cooperation of oily cotton piece as leading the oil body carrier, lead the inside clearance of oily cotton piece and be greater than the inside clearance of leading oily cotton piece, it is loose to lead oily cotton piece, the big oil storage in clearance is many, nevertheless lead oily speed slowly, it is fine and close to lead oily cotton piece than leading oily cotton piece, it is fast to lead oily, but the oil storage volume is organic cotton piece relatively few, two kinds of mixed modes can guarantee the oil storage volume and can guarantee to lead oily speed again.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

FIG. 1 is a schematic diagram of a prior art embodiment;

FIG. 2 is a schematic diagram of another embodiment of the prior art;

fig. 3 is a schematic view of the appearance structure of embodiment 1 of the present invention;

fig. 4 is an exploded view of embodiment 1 of the present invention;

fig. 5 is a sectional view of embodiment 1 of the present invention;

fig. 6 is an appearance structure diagram of embodiment 2 of the present invention;

fig. 7 is an exploded view of embodiment 2 of the present invention;

fig. 8 is a sectional view of embodiment 2 of the present invention;

fig. 9 is a schematic structural diagram of an embodiment of example 3 of the present invention;

fig. 10 is a schematic structural view of another embodiment of example 3 of the present invention;

fig. 11 is a schematic structural diagram of an embodiment of example 4 of the present invention;

fig. 12 is a schematic structural view of another embodiment of example 4 of the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Embodiment 1, as shown in fig. 3 to 5, an electronic cigarette heating element includes a support 100, and a sealing member 200 on the support 100, where the support 100 includes an upper support 110 and a lower support 120 detachably connected or fixedly connected together, and an oil-guiding cotton sheet 300, an oil-guiding cotton cloth 400, and a mesh heating sheet 500 are sequentially clamped between the upper support 110 and the lower support 120; the upper bracket 110 is provided with an oil guide channel 113 for guiding oil to the oil guide cotton piece 300, and the lower bracket 120 is provided with a smoke outlet 127; the mesh heating sheet 500 is connected with the conductive electrode 600 to supply power to the mesh heating sheet 500; the inner gap of the oil guide cotton piece 300 is larger than that of the oil guide cotton cloth 400.

The bracket 100 is a basic supporting structure of the heating assembly, and since the oil-guiding cotton sheet 300, the oil-guiding cotton cloth 400 and the net-shaped heating sheet 500 need to be fixed in the bracket 100, the bracket 100 is divided into an upper bracket 110 and a lower bracket 120, and the upper bracket 110 and the lower bracket 120 can be fixedly connected or detachably connected. The fixed connection mode can be various modes such as bonding, welding, riveting and the like. In order to facilitate installation and replacement, the upper bracket 110 and the lower bracket 120 may be detachably connected in various ways, and the upper bracket 110 and the lower bracket 120 are fixed together by screwing, clamping, inserting or buckling. As shown in fig. 3, in this embodiment, a screwing manner or an interference fit insertion manner is adopted, when screwing, a hole 121 with an internal thread is provided corresponding to the lower bracket 120, a hole 115 with an internal thread is provided on the upper bracket 110, and a fixing nail 123 penetrates through the hole 121 and the hole 115 from the bottom of the lower bracket 120 to screw the upper bracket 110 and the lower bracket 120. When the plug-in connection is in interference fit, the lower bracket 120 is provided with a hole 121, the upper bracket 110 is provided with a hole 115, and the fixing nail 123 penetrates through the hole 121 and the hole 115 from the bottom of the lower bracket 120 to fix the upper bracket 110 and the lower bracket 120 in a tight fit manner.

In order to keep the oil-guiding cotton sheet 300 and the oil-guiding cotton cloth 400 to perform normal oil-guiding and oil-storing performance, the upper bracket 110 and the lower bracket 120 are provided with a containing groove 112 for containing the oil-guiding cotton sheet 300 and the oil-guiding cotton cloth 400 in a matching manner, the containing groove 112 may be separately arranged at the bottom of the upper bracket 110 or at the top of the lower bracket 120, or both the bottom of the upper bracket 110 and the top of the lower bracket 120 may be provided with a containing space to form the containing groove 112 together. The length of storage tank 112 is 4 ~ 8mm, and the groove width is 3 ~ 8mm, and the groove depth is 0.5 ~ 2.5mm, upper bracket 110 and lower carriage 120 lock and netted piece 500 cooperation laminating of generating heat set up the oil guide cotton 400 in storage tank 112.

For the upper bracket 110 and the lower bracket 120 fixedly connected, in order to conveniently place the oil cotton guide sheet 300 and the oil cotton guide sheet 400, the side surfaces of the upper bracket 110 and the lower bracket 120 correspond to the opening of the receiving groove 112. The sides of the upper and

lower brackets

110 and 120, which are detachably coupled, may or may not be open.

Since the mesh-shaped heating sheet 500 directly heats and atomizes the soot in the holder receiving groove 112, and the conductive electrode 600 is fixed on the holder 100, the holder 100 is selected as an insulator, and the periphery of the mesh-shaped heating sheet 500 is clamped between the upper holder 110 and the lower holder 120 at least at two sides. Depending on the function of the bracket 100, the upper bracket 110 and the lower bracket 120 need to be temperature resistant, insulating, and high strength, and may be made of PEEK, teflon, or other materials through injection molding or machining.

The support 100 is arranged in the housing of the electronic cigarette, and a sealing part 200 is arranged outside the support, wherein the sealing part is required to be sealed between the support and the housing or the flue. The sealing member 200 has a main function of sealing, and as shown in fig. 3 to 4, it is preferable that an annular groove 111 is formed on the outer circumference of the upper bracket 110 or the lower bracket 120, and the sealing member 200 is a sealing ring which is inserted into the annular groove 111.

The upper bracket 110 is longitudinally provided with an oil guide channel 113 for guiding oil to the oil guide cotton piece 300, and the tobacco tar enters the accommodating groove 112 from the oil cup through the oil guide channel 113 to soak the oil guide cotton piece 300. The shape of the oil guide passage 113 is not limited, and may be any shape such as a through hole, a groove, a slit, and the like. The length of the long hole is 1-6 mm, the width of the hole is 0.5-3 mm, and the number of the holes is 2-6. Lower carriage 120 is equipped with the support bar, the clearance is smoke outlet 127 between the support bar, support bar width 0.3 ~ 1mm, 2 ~ 3 of quantity for support netted piece 500 that generates heat and lead oily cotton piece 300 and lead oily cotton 400.

The oil guide cotton piece 300 and the oil guide cotton cloth 400 in the embodiment have two functions of oil storage and oil guide, the oil guide cotton piece 300 is an organic cotton piece, and the oil guide cotton cloth 400 is made of environment-friendly cotton materials such as wood pulp cotton cloth, fiber cotton cloth and linen; cutting cotton sheets and cotton cloth by using a cutting die, wherein the length is 4-8 mm, the width is 3-8 mm, and the thickness of a single layer is 0.1-5 mm measured in a natural state, wherein the thickness of the oil-guiding cotton sheet 300 is preferably 2-5mm, and the most preferably 3-4 mm; the oil-guiding cotton cloth 400 preferably has a thickness of 0.1 to 1.5mm, most preferably 0.5 to 1 mm. The oil guide cotton piece 300 is arranged on the upper layer and mainly used for storing oil, and the oil guide cotton cloth 400 is arranged on the lower layer and mainly used for guiding oil; the oil guide cotton piece 300 is loose, the gap is large, oil is stored more, but the oil guide speed is slow, the oil guide cotton cloth 400 is denser than the oil guide cotton piece 300, the oil guide speed is high, but the oil storage amount is less than that of the oil guide cotton piece 300, and the two mixed use modes can ensure both the oil storage amount and the oil guide speed. When the oil-guiding cotton sheet 300 is thick, a single layer is generally selected, and when the thickness is thin, two or more layers can be selected, and in this embodiment, one layer is selected. The oil guiding cotton cloth 400 may be selected to have one or more layers, and two layers are selected in this embodiment.

The mesh heating sheet 500 is used for heating tobacco tar, and the mesh holes arranged on the mesh heating sheet 500 correspond to the smoke outlet 127 arranged on the lower bracket 120. The mesh size can be set according to actual needs, and the mesh shape is not limited. The 500 slice settings of netted piece that generates heat, netted piece 500 that generates heat can be the plane setting, also can be the cambered surface setting, and the bottom surface of the storage tank 112 that corresponds also is plane or cambered surface for three shape fit is unanimous, leads oily cotton 400 and leads oily cotton piece 300 and can laminate completely with netted piece 500 that generates heat, does benefit to the even heating and leads oily cotton 400, makes the tobacco tar that it was soaked be heated the atomizing.

The net-shaped heating sheet 500 is made of various material sheets such as iron-chromium-aluminum, nickel-chromium, nickel-titanium, gold, silver, stainless steel and the like, the thickness of the sheet is 0.01-0.2 mm, and the resistivity of the material sheet is required to be larger than 0.0000007 omega/m. Made by laser engraving or etching processes. The length of the heating part of the net-shaped heating sheet 500 is 4-8 mm, the width is 2-8 mm, and the width of the internal circuit line is 0.1-0.3 mm. The width direction of the net-shaped heating sheet 500 can be designed with a support column for fixing the net-shaped heating sheet 500 and forming an outflow channel of the tobacco tar atomized gas. The periphery of the mesh-shaped heating sheet 500 is clamped between the upper bracket 110 and the lower bracket 120 at least at two sides, specifically, the two ends of the mesh-shaped heating sheet 500 are provided with the connecting lugs 510, the connecting lugs 510 are clamped between the upper bracket 110 and the lower bracket 120 to fix the mesh-shaped heating sheet 500, and in order to further ensure the stability of the mesh-shaped heating sheet 500, the periphery of the mesh-shaped heating sheet 500 can be completely clamped between the upper bracket 110 and the lower bracket 120.

The conductive electrode 600 is used to connect the mesh heating sheet 500 for supplying power thereto. The conductive electrode 600 comprises a conductive anode 610 and a conductive cathode 620, and a circuit arranged in the mesh heating sheet 500 is respectively connected with the conductive anode 610 and the conductive cathode 620 in an electrified manner.

The connection mode of the mesh heating sheet 500 and the conductive electrode 600 can be various, and this embodiment adopts: the conductive anode 610 and the conductive cathode 620 are connected in a screwed manner or inserted in the lower bracket 120 in an interference fit manner, one end of each of the conductive anode 610 and the conductive cathode 620 is electrically connected with the mesh heating sheet 500, and the other end of each of the conductive anode 610 and the conductive cathode 620 extends out of the lower bracket 120 to form an electric connection terminal. In this embodiment, the contact electrically connected to the mesh-shaped heating sheet 500 is disposed in the holes 520 of the connecting lugs 510 at the two ends, and when the conductive positive electrode 610 and the conductive negative electrode 620 are screwed or inserted into the lower bracket 120 in an interference fit manner, one end of the conductive positive electrode 610 and one end of the conductive negative electrode 620 are electrically connected to the contact of the mesh-shaped heating sheet 500. Because the upper bracket 110 and the lower bracket 120 can also be screwed or fixedly connected together by interference fit, the connection function and the power-on function can be combined, that is, the conductive anode 610 and the conductive cathode 620 are arranged in the fixing nail 123, and the conductive anode 610 and the conductive cathode 620 are exposed out of the fixing nail 123 at two ends to form power-on connection. The utility model discloses conductive electrode 600 adopts the copper gilding preparation, and gilding thickness 0.001 ~ 0.005mm guarantees the electrode and the netted piece 500 contact conductivity that generates heat.

Example 2, as shown in fig. 6 to 8, this example is an improvement on example 1.

Compared with embodiment 1, the sealing element 200 of this embodiment is a sealing cylinder, the height of which is consistent with the height of the upper bracket 110, and the sealing cylinder is sleeved outside the upper bracket 110. In order to avoid the slipping of the sealing cylinder, inwardly extending ribs 210 are arranged on the top surface and the bottom surface of the sealing cylinder, a ring of grooves 114 are arranged at the lower part of the upper bracket 110, and the ribs 210 are respectively buckled in the top surface and the grooves 114 of the upper bracket 110 to fix the sealing cylinder outside the upper bracket 110.

Another structure different from embodiment 1 is: the conductive anode 610 and the conductive cathode 620 are independently arranged, through holes are arranged on the lower bracket 120, one end of each of the conductive anode 610 and the conductive cathode 620 is electrically connected with the mesh heating sheet 500, and the other end of each of the conductive anode 610 and the conductive cathode 620 extends out of the through holes of the lower bracket 120 to form an electric connection terminal.

The upper bracket 110 and the lower bracket 120 are respectively provided with a fixing column 122 and a fixing hole 116, and the fixing column 122 is tightly fitted and inserted in the fixing hole 116 to fixedly connect the upper bracket 110 and the lower bracket 120 together.

The rest of the structure is the same as that of embodiment 1, and is not described herein again.

Embodiment 3, as shown in fig. 9 to 10, a portable small smoke electronic cigarette atomizer comprises a housing 1, an oil cup 3 is arranged in the housing 1, the oil cup 3 is fixed in the housing 1 through a base 6, the heating component described in embodiment 1 is arranged at the bottom of the oil cup 3, and a smoke channel 2 is arranged between the oil cup 3 and the housing 1. The base 6 is provided with a conductive terminal 5, the conductive terminal 5 is electrically contacted with the conductive electrode 600 for conducting electricity, and the conductive terminal 5 is electrically connected with a battery of the electronic cigarette. Two conductive terminals 5 are also provided, which are in pressing electrical contact with the conductive anode 610 and the conductive cathode 620, respectively.

Depending on the number of smoke channels 2, this embodiment has channels on both sides of the cup 3 as in fig. 9 and channels on one side as in fig. 10.

As shown in fig. 9, the oil cup 3 is disposed in the middle of the housing 1, and the smoke passage 2 is formed between both sides of the oil cup 3 and the housing 1. As shown in fig. 10, the oil cup 3 is provided near the casing 1 and shares a portion with the casing 1.

The air current flows in through the middle hole of base 619, after netted piece 500 that generates heat, takes away smog flow direction smog passageway 2 and finally flows out the cigarette bullet, realizes the atomizing function.

The details of the heating element are the same as those of embodiment 1 and are not repeated herein.

Example 4, as shown in fig. 11-12, this example is an improvement over example 3.

The structure different from that of embodiment 3 is a heat generating element, and the heat generating element of embodiment 2 is used in this embodiment.

In addition, the structure is different, the shell 1 of the embodiment is a split structure, which comprises an upper shell and a lower shell, and the upper shell and the lower shell are buckled and connected together. The oil cup 3 is different in shape from example 3. The conductive anode 610 and the conductive cathode 620 directly penetrate out of the holes arranged on the base 6 to be electrically connected with the battery.

The details of the heating element are the same as those of embodiment 2 and are not repeated herein.

Claims

1. An electronic cigarette heating component comprises a support and a sealing element on the support, and is characterized in that the support comprises an upper support and a lower support which are detachably connected or fixedly connected together, and an oil guide cotton sheet, an oil guide cotton cloth and a net-shaped heating sheet are sequentially clamped between the upper support and the lower support;

2. The electronic cigarette heating assembly of claim 1, wherein the upper bracket and the lower bracket are provided with a containing groove for containing the oil-guiding cotton sheet and the oil-guiding cotton cloth in a matching manner, the upper bracket and the lower bracket are buckled, and the mesh heating sheet is matched and attached to the oil-guiding cotton cloth.

3. The electronic cigarette heating assembly of claim 1, wherein the support is an insulator, and the mesh heating sheet is arranged in a sheet shape and the periphery of the mesh heating sheet is clamped between the upper support and the lower support at least at two sides.

4. The electronic cigarette heating assembly of claim 1, wherein the conductive electrode comprises a conductive positive electrode and a conductive negative electrode, and a circuit arranged in the mesh heating sheet is respectively in power-on connection with the conductive positive electrode and the conductive negative electrode.

5. The electronic cigarette heating assembly of claim 4, wherein the conductive positive electrode and the conductive negative electrode are screwed or inserted in the lower bracket in an interference fit manner, one end of each of the conductive positive electrode and the conductive negative electrode is electrically connected with the mesh heating sheet, and the other end of each of the conductive positive electrode and the conductive negative electrode extends out of the lower bracket to form an electric connection terminal; or one end of each of the conductive anode and the conductive cathode is electrically connected with the reticular heating sheet, and the other end of each of the conductive anode and the conductive cathode extends out of the lower bracket to form an electric connection terminal.

6. The electronic cigarette heating assembly of claim 1, wherein the upper bracket and the lower bracket are fixed together by screwing, clamping, plugging or buckling.

7. The electronic cigarette heating assembly of claim 1, wherein an annular groove is formed in the periphery of the upper support or the lower support, the sealing element is a sealing ring, and the sealing ring is embedded in the annular groove; or the sealing element is a sealing barrel which is sleeved outside the upper bracket.

8. The electronic cigarette heating element of claim 1, wherein the lower bracket is provided with support bars, and gaps between the support bars are smoke outlets.

9. A portable small smoke electronic smoke atomizer comprises a shell and is characterized in that an oil cup is arranged in the shell and fixed in the shell through a base, a heating assembly according to any one of claims 1 to 8 is arranged at the bottom of the oil cup, and a smoke channel is arranged between the oil cup and the shell.

10. The portable small smoke electronic aerosolizer of claim 9 wherein the base is provided with an electrically conductive terminal in electrical contact with the electrically conductive electrode for electrical conduction.