CN210203364U - Electronic cigarette atomizer and electronic cigarette - Google Patents
Electronic cigarette atomizer and electronic cigarette Download PDFInfo
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- CN210203364U CN210203364U CN201920252680.4U CN201920252680U CN210203364U CN 210203364 U CN210203364 U CN 210203364U CN 201920252680 U CN201920252680 U CN 201920252680U CN 210203364 U CN210203364 U CN 210203364U
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Abstract
The utility model provides an electronic cigarette atomizer, an oil storage cavity and an atomizing component; the atomization assembly comprises a porous body and a porous heating layer which are arranged in a stacked mode; the surface of the porous heating layer opposite to the porous body is provided with an electrode connecting part; wherein the porous body has a first surface opposite to the porous heat generating layer, a second surface configured to be in contact with the tobacco tar, and for conducting the tobacco tar from the second surface to the first surface; the porous heating layer covers the first surface, is internally provided with a microporous structure and is used for heating the tobacco tar to generate aerosol and releasing the aerosol to the outside of the porous heating layer through the microporous structure. Atomization component's atomizer more than adopting, the heating atomization to the tobacco tar is the face and generates heat, and effective area of generating heat and whole smog volume all obvious promotion, the taste of smog also is close to the original settlement of tobacco tar after the atomizing is even, and the reduction degree is more suitable for user's suction and experiences.
Description
Technical Field
The embodiment of the utility model provides a field especially relates to an electron smog spinning disk atomiser and electron cigarette.
Background
The electronic cigarette product is characterized in that a core component is an atomizer which evaporates electronic cigarette oil to generate cigarette oil aerosol, and the function of the atomizer is mainly realized based on an atomization component; the atomization component is provided with a porous body for absorbing and conducting the tobacco tar and a heating element which is arranged on the porous body and used for heating and atomizing the tobacco tar absorbed and conducted by the porous body. Wherein, the porous body is a part with capillary micropores inside, and can perform tobacco tar infiltration absorption and conduction through the micropores inside; the heating element is provided with a heating part for heating and a conductive pin part, and the heating part is used for heating and evaporating the tobacco tar conducted by the porous body to form tobacco tar aerosol for smoking.
At present, a porous ceramic thick film heating body is generally adopted as an atomization component, a porous ceramic body with smoke oil absorption and conduction micron-sized micropores is used as a carrier, and a heating circuit is printed through a screen printing process and then sintered to form a heating element. The porous ceramic body is usually prepared by mixing a ceramic material and a pore-forming agent and then sintering, and a large number of micropores are formed in the sintered ceramic body so as to be used for absorbing and conducting the tobacco tar; the whole preparation process can realize automatic production and has higher process stability.
In the preparation of the atomization assembly, the ceramic body has micropores, so that the surface of the porous ceramic body is relatively rough, the adhesion force of a heating element prepared by printing a heating circuit on the surface of the porous ceramic body and subsequent sintering is poor, uneven high and low convexes and the heating element permeating into the micropores exist, the resistance stability and uniformity of the heating element are insufficient, and the problems of unstable resistance floating and even incapability of conducting due to fracture can occur in use; meanwhile, after the continuous operation, the heating element is easy to peel off due to the thermal cycle impact effect. On the other hand, the heating element covers a part of the surface of the porous ceramic body, so that the atomization of the tobacco tar is mainly concentrated at a local part with higher temperature close to the heating element, and the atomization is not uniform.
SUMMERY OF THE UTILITY MODEL
In order to solve the inhomogeneous and product property unstable problem of atomizing that the electron cigarette among the prior art produced, the embodiment of the utility model provides an atomizing efficiency is higher, go out the bigger and stable performance's of cigarette volume electron smog spinning disk atomiser.
The utility model discloses an electronic cigarette atomizer, which comprises an oil storage cavity for storing tobacco tar and an atomizing assembly for sucking the tobacco tar from the oil storage cavity and heating and atomizing the tobacco tar; the atomization assembly comprises a porous body and a porous heating layer which are arranged in a stacked mode; the surface of the porous heating layer opposite to the porous body is provided with an electrode connecting part;
wherein the porous body has a first surface opposite to the porous heat generating layer, a second surface configured to be in contact with the tobacco tar, and for conducting the tobacco tar from the second surface to the first surface; the porous heating layer covers the first surface, is internally provided with a microporous structure and is used for heating tobacco tar to generate aerosol and releasing the aerosol to the outside of the porous heating layer through the microporous structure.
Preferably, the resistivity of the porous heat-generating layer is 0.5-2.5 m omega cm.
Preferably, the material of the porous heating layer is conductive ceramic or foam metal, and the conductive ceramic comprises at least one of titanium nitride, titanium carbide and titanium silicon carbon.
Preferably, the porous heat generating layer comprises a porous structure layer and a three-dimensional heat generating network formed in the porous structure layer; the three-dimensional heating network is used for heating and atomizing the tobacco tar conducted by the porous structure layer.
Preferably, the volume ratio of the non-pore part of the porous structure layer to the three-dimensional heating network is 0.5-3: 1.
Preferably, the aperture of the micropores of the porous heat-generating layer is larger than that of the porous body, and the aperture of the micropores of the porous heat-generating layer is 20-100 μm.
Preferably, the porous heat generation layer has a porosity of micropores greater than that of the porous body, and the porosity of micropores of the porous heat generation layer is 50% to 98%.
Preferably, the thickness of the porous heating layer is 0.1-0.5 mm.
The utility model further provides an electronic cigarette, which comprises an atomization device for absorbing the tobacco tar and atomizing the tobacco tar and a power supply device for supplying power to the atomization device; atomizing device adopts above electron smog spinning disk atomiser.
Atomizing subassembly's atomizer more than adopting, porous layer that generates heat covers the relative surface of porous body, forms even face and generates heat, and the heat is by porous layer that generates heat to porous body uniform conduction, and is better to the atomizing effect of tobacco tar and the taste of tobacco tar degree of restitution. And its self is porous structure, and the aerosol that the tobacco tar atomizing was generated can directly escape as the atomizing face through porous layer that generates heat, and it is faster to go out the cigarette.
The utility model discloses still further provide the preparation method of more than one kind atomizing subassembly, the method step includes:
obtaining a porous heating layer;
mixing ceramic powder for forming a porous body and a pore-forming agent according to a weight ratio, adding a ceramic sintering aid, and mixing to prepare ceramic slurry;
forming a ceramic slurry layer with required thickness on the surface of the porous heating layer, pressing the ceramic slurry layer, and sintering at 700-1200 ℃ to form a porous body and the porous heating layer;
after metal material powder and printing sintering aid are mixed into conductive slurry, forming a conductive slurry layer on the surface of the porous heating layer according to the shape of the electrode connecting part; and then sintering at 600-900 ℃.
The utility model discloses still further provide the preparation method of more than one kind of atomization component, the method step includes:
uniformly mixing the first powder material, the second powder material and the pore-forming agent, adding a casting auxiliary agent to prepare casting slurry, and forming a plurality of casting membranes from the casting slurry through a casting process; wherein the first powder material is used for forming the porous body, and the second powder material is used for forming the three-dimensional heating network; the adding volume ratio of the first powder material to the second powder material is 0.5-3: 1;
mixing metal raw material powder and a sintering aid to form conductive slurry, and depositing the conductive slurry on one of the casting films;
sequentially laminating the casting films, and laminating the casting films deposited with the conductive slurry on the outermost layer to form a laminated body; pressing the laminated driving body to obtain a pressing blank;
preserving the temperature of the pressed blank at 300-500 ℃ for 12-36 h, and sintering at 700-1200 ℃ to obtain a porous heating layer;
the porous body is bonded on the porous heat-generating layer.
The utility model discloses still further provide the preparation method of more than one kind of atomization component, the method step includes:
mixing material powder for forming the porous body with a pore-forming agent, and adding a proper amount of sintering aid to mix into slurry; pressing the slurry into a green body, and sintering in a sintering furnace to form a porous body;
mixing metal powder and a spraying auxiliary agent to form metal slurry, and spraying the metal slurry on the surface of the porous body to form a porous heating layer;
after metal material powder with low resistivity such as gold, copper, silver and the like and a second sintering aid are mixed into conductive slurry, forming a conductive slurry layer on the surface of the porous heating layer according to the shape of the electrode connecting part; and then sintering at 600-900 ℃.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic diagram illustrating a perspective view of an atomizing assembly according to one embodiment;
FIG. 2 is a schematic view of the lower surface of the atomizing assembly of FIG. 1;
FIG. 3 is a schematic structural view of one embodiment of the porous heat generating layer 20 of FIG. 1;
fig. 4 is a schematic structural diagram of an electronic cigarette atomizer provided by the embodiment.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and embodiments.
The embodiment of the utility model provides an atomizing component for tobacco tar class electron smog spinning disk atomiser, its structure is seen in figure 1 to figure 2, including porous body 10, porous layer 20 and the electrode connecting portion 30 that stacks gradually the setting. The porous body 10 and the electrode connecting portion 30 are respectively stacked on two opposite surfaces of the porous heat generating layer 20. Wherein the content of the first and second substances,
the porous body 10 has micro-porous pores therein for smoke absorption and conduction;
the porous heating layer 20 is also provided with microporous pores and is made of a resistive material, tobacco tar is heated and atomized to generate aerosol after being electrified, and the aerosol is released to the outside of the porous heating layer 20 through a microporous structure of the aerosol, so that a smoker can suck the aerosol;
the electrode connecting part 30 is used for connecting the porous heating layer 20 with the anode and the cathode of a power supply to realize power supply.
In the multilayer structure that above atomizing subassembly has, porous layer 20 that generates heat covers the relative surface of porous body 10, forms even face and generates heat, and the heat is by porous layer 20 that generates heat to porous body 10 even conduction, and is better to the atomizing effect of tobacco tar and the taste recovery degree of tobacco tar. And its self is porous structure, and the aerosol that the tobacco tar atomizing was generated can directly escape as the atomizing face through porous layer 20 that generates heat, and it is faster to go out the cigarette. In implementation, the porous structure of the porous heating layer 20 provides smooth aerosol escape and tobacco tar conduction, and the resistance value can be easily changed by adjusting parameters such as porosity and thickness, so as to meet the parameter requirements of different products such as big smoke and small smoke.
The porous body 10 is made of a material that is non-conductive below the temperature at which the tobacco smoke is atomized; according to the working temperature of the electronic cigarette atomizer for atomizing the tobacco tar, the working temperature is usually 200-320 ℃, the porous body 10 is preferably prepared from a non-conductive material below 350 ℃ in implementation, and porous ceramics, porous bodies made of diatomite, porous quartz glass bodies and the like are preferably adopted in implementation, or sponge bodies, non-woven fabrics, porous fibers, oil-guiding cotton and the like can also be adopted; wherein the porous ceramic further comprises silicon carbide, aluminum nitride, alumina or zirconia, and the porous body 10 preferably has a pore diameter of 5 to 60 μm and a porosity of 30 to 60%.
The porous heat generating layer 20 is made of a resistive material for the purpose of heating and atomizing the soot and has a pore structure similar to that of the porous body 10, and is made of a conductive ceramic such as titanium nitride or titanium carbide, or a conductive ceramic material of titanium silicon carbon system, and a foamed metal or a foamed metal alloy containing pores such as nickel foam, nickel-iron foam, iron-chromium foam, or the like. In another possible embodiment, the porous heat generating layer 20 has a structure as shown in fig. 3, and includes a porous structure layer 21, and a three-dimensional heat generating network 22 filled in the porous structure layer 21. The three-dimensional heating network 22 is used for heating and atomizing the tobacco tar absorbed and conducted by the porous structure layer 21 to generate tobacco tar aerosol for smoking. In the structure, the porous structure layer 21 is used as a skeleton foundation, and the conductive three-dimensional heating network 22 is arranged in the porous structure layer 21 in a doping and filling manner to form a whole, so that the whole porous heating layer 20 generates heat more three-dimensionally and uniformly.
Further, based on the idea of increasing the smoke oil conduction efficiency of the porous heat-generating layer 20 to replenish smoke oil consumption more quickly and prevent dry burning, the porous heat-generating layer 20 preferably has a porosity and a pore size larger than those of the porous body 10 and a thickness smaller than those of the porous body 10, and the pore size is 20 to 100 μm, the porosity is 50 to 98 percent, and the thickness is 0.1 to 0.5 mm.
In the above embodiment, since the surface of the porous heat-generating layer 20 has a rough structure with pores, in order to prevent poor contact and unstable assembly when the porous heat-generating layer is connected to a power supply electrode for power supply, an electrode connection portion 30 is further disposed on the surface of the porous heat-generating layer 20, and the electrode connection portion 30 is connected to the positive electrode and the negative electrode of the power supply device by welding, lead wire, or the like, so as to collect current, reduce contact resistance, and improve contact conductivity of the atomizing assembly. As can be seen from fig. 2, the electrode connecting parts 30 include two parts for connecting with the positive electrode and the negative electrode, respectively; in practice, the electrode connection portion 30 is made of a relatively common metal material with low resistivity, such as gold/copper/silver/platinum.
Based on the utility model discloses atomization component in use's efficiency demand, preferably with atomization component wholly prepare the thin block form shown in figure 1, then be favorable to keeping the equilibrium of the effusion efficiency of tobacco tar aerosol and tobacco tar absorption conduction efficiency. Meanwhile, the porous heating layer 20 in the atomization component can be controlled according to the resistivity parameter of 0.5-2.5 m omega cm range required by the final atomization component product.
Based on the description of above atomizing subassembly's structure and material, the utility model discloses further provide above atomizing subassembly's preparation method, the selection based on different materials corresponds there is different preparation processes, and the foam metal of alloy materials such as iron chromium aluminium, nickel chromium, tungsten alloy that the method of preparing in an embodiment uses high resistivity is as porous layer 20 that generates heat to can directly purchase and obtain, form porous body 10 on it again and prepare atomizing subassembly, the process includes following step:
s10, cutting the purchased foam metal into required shapes and size specifications;
s20, mixing the ceramic powder for preparing the porous body 10 and the pore-forming agent according to the weight ratio, adding the ceramic sintering aid, and mixing to prepare ceramic slurry;
s30, placing the cut foam metal into the bottom of an auxiliary ceramic slurry forming mold, forming a ceramic slurry layer with required thickness on the foam metal in a dry pressing or hot die casting mode, forming a blank by the mold, and sintering at 700-1200 ℃ to form the tightly combined ceramic porous body 10 and the porous heating layer 20 made of the foam metal;
s40, mixing metal material powder with low resistivity such as gold, copper, silver and the like and a printing sintering aid to form conductive slurry, and forming a conductive slurry layer on the surface of the foam metal through screen printing, spraying and other modes according to the shape of the electrode connecting part 30; and sintering at 600-900 ℃ to sinter the conductive slurry layer into the electrode connecting part 30, thus obtaining the atomization assembly.
The atomization component preparation method adopted in the above embodiment is to prepare the atomization component in which the porous ceramic body and the metal foam are tightly combined after sintering, and the ceramic raw material can be embedded into the metal mesh structure of the metal foam in the porous metal foam surface in a pressurizing manner, so that the bonding strength is greatly improved. The phenomena of peeling, falling off and the like easily occurring in the cold and hot impact process caused by connecting the porous body and the foam metal in other modes can be eliminated.
In the above method step S20, the addition amount and size of the pore former are added according to the porosity and pore size of the final porous body 10; in the implementation, according to the conventional use requirement of the product, the addition amount of the pore-forming agent can be added according to the weight percentage of 20-40% of the ceramic powder material, and the particle size of the pore-forming agent is correspondingly controlled within the range of 0.1-200 μm according to the aperture of the micropore to be formed. The pore-forming agent can be at least one of starch, wood chips, PMMA (polymethyl methacrylate) microspheres and graphite powder.
Meanwhile, the ceramic sintering aid used in step S20 is an auxiliary aid such as an organic vehicle, a solvent, a plasticizer, a dispersant, and the like added during the sintering of the ceramic. In practice, ethyl cellulose, terpineol and the like are commonly used as the organic carrier; the solvent is used to impart proper fluidity and plasticity to the slurry, and usually, as the solvent having affinity with the ceramic powder, there is at least one of ether alcohols such as propylene glycol monomethyl ether, ether esters such as lactic acid esters and methyl cellulose acetate; the stability of the slurry can be regulated by a plasticizer and a dispersing agent, wherein the plasticizer is usually dibutyl phthalate, dioctyl phthalate and the like, and the dispersing agent is polyethylene wax, paraffin wax and the like.
The printing sintering aid is used for assisting the sintering of the metal material powder of gold/copper/silver to form the electrode connecting part 30, can be directly obtained by purchasing, and usually contains about 90 percent of terpineol and about 5 percent of ethyl cellulose in the components, and the balance is functional components which are added by manufacturers.
Based on different materials, the utility model also provides another preparation method of the atomization component, in the method, the porous structure layer 21 is filled with materials such as conductive ceramics to form a three-dimensional heating network 22, and then the atomization component is combined with oil guide cotton; the preparation method comprises the following steps:
s10a, uniformly mixing the first powder material, the second powder material and the pore-forming agent, adding a casting auxiliary agent to prepare casting slurry, and forming a plurality of casting membranes from the casting slurry through a casting process; wherein the first powder material is a powder of a ceramic, diatomaceous earth, quartz, or the like material forming the porous body 10, and the second powder material is a powder of a conductive ceramic material forming the three-dimensional heating network 20; the adding volume ratio of the first powder material to the second powder material is 0.5-3: 1;
s20a, mixing metal raw material powder for preparing the electrode connecting part 30 and a sintering aid into conductive slurry, and depositing the conductive slurry on one of the casting films;
s30a, sequentially laminating the casting films, and laminating the casting films deposited with the conductive paste on the outermost layer to form a laminated body;
s40a, pressing the laminated body to obtain a pressed blank;
s50a, firstly, preserving the temperature of the pressed blank at 300-500 ℃ for 12-36 h, and then sintering at 700-1200 ℃ to obtain a porous structure layer 21 with a three-dimensional heating network 22, namely a porous heating layer 20;
s60a, laying a sponge body with a proper shape as the porous body 10 for guiding oil on the porous heat-generating layer 20 to obtain the atomization assembly.
The porous structure layer 21 with the three-dimensional heating network 22 is formed by sintering the conductive ceramic powder and the non-conductive ceramic powder in a mixed sintering mode; in the preparation process, the first powder material and the second powder material are used as sintering precursors of the porous structure layer 21 of the three-dimensional heating network 22, and the powder particle size specification of 10-60 mu m is adopted; according to the quantity requirement and the resistance value stability requirement when the three-dimensional heating network 22 in the final atomization assembly is sintered into a net in the preparation process, the volume ratio of the non-pore part of the porous structure layer 21 to the filled three-dimensional heating network 20 is controlled to be 0.5-3: 1. Further, the three-dimensional heat generating network 22 formed by sintering is filled in the skeleton of the porous structure layer 21, and the particle size of the first powder material may be preferably smaller than that of the second powder material in the selection of raw materials.
The utility model discloses still further provide another preparation method of the atomizing component who forms porous layer 20 that generates heat through plasma spraying, including following step:
s10b, mixing the powders of the diatomite, the ceramic, the silicon dioxide, etc. used to form the porous body 10 with the pore-forming agent, and then adding a proper amount of sintering aid to mix into slurry;
s20b, pressing the slurry into a green body, and sintering in a sintering furnace to form the porous body 10;
s30b, mixing metal powder and a spraying auxiliary agent into metal slurry, and forming a foamed metal coating, namely the porous heating layer 20, on the surface of the porous body 10in a plasma spraying manner;
s40b, mixing metal material powder with low resistivity such as gold, copper, silver and the like and sintering aids into conductive paste, and forming a conductive paste layer on the surface of the porous heating layer 20 by screen printing, spraying and other modes according to the shape of the electrode connecting part 30; and sintering at 600-900 ℃ to sinter the conductive slurry layer into the electrode connecting part 30, thus obtaining the atomization assembly.
In the embodiment of the preparation method, the foamed metal coating with micropore pores is formed on the surface of the porous body 10 prepared by sintering in a plasma spraying mode, and the angle and the spraying interval of a spray gun are adjusted according to the required porosity and pore diameter in the plasma spraying process, so that the foamed metal coating meeting the requirements is formed.
Based on the above preparation method of the atomization component under different material selection, a comparative description is given below by using performance tests of various examples and prepared products:
example 1
S10, cutting the purchased foamed nickel into a specification of 60mm 0.5 mm; wherein the foamed nickel has a porosity of about 80% and an average pore size of about 60 μm;
s20, mixing alumina powder with the average grain size of 60 mu m and PMMA microsphere pore-forming agent with the average grain size of 50 mu m according to the weight ratio of 60:20, and adding a proper amount of purchased ceramic sintering aid to prepare ceramic slurry;
s30, placing the cut foamed nickel into the bottom of a mold, forming a ceramic sizing agent layer with the thickness of 4mm on the surface of the foamed nickel by ceramic slurry through a hot-press casting process, taking out the foamed nickel after being statically cured in the mold, and placing the foamed nickel into a sintering furnace for sintering at 900 ℃ for 1h to form a combination of the foamed nickel and the porous alumina ceramic;
s40, mixing the silver metal powder and the purchased sintering aid (about 90 percent of terpineol, about 5 percent of ethyl cellulose and the balance of functional aid which is added by the manufacturer) to form conductive slurry; forming a conductive slurry layer on the surface of the foamed nickel of the combination obtained in the step S30 in a screen printing mode, and drying for a moment; sintering at 600-900 ℃, namely sintering the conductive slurry layer to form the electrode connecting part 30; and finally, cutting according to the size of the product and the cutting line to obtain a plurality of monomer atomization components.
Example 2
S10a, mixing diatomite powder with the average particle size of 50 microns, titanium carbide powder with the average particle size of 60 microns and PMMA microsphere pore-forming agent with the average particle size of 70 microns according to the weight ratio of 60:20:20, and then adding 1.2 times of composite auxiliary agent (commercially available) for casting film forming to prepare casting slurry; casting the casting slurry into a casting film sheet with the thickness of 100 mu m and the size of 6-10 inch by using a thick film casting machine;
s20a, mixing silver metal powder and a purchased sintering aid into conductive paste, and generating a layer of conductive paste on one casting film sheet according to the shape and thickness of the electrode connecting part 30 in a screen printing mode;
s30a, sequentially laminating the casting films, and laminating the casting films deposited with the conductive paste on the outermost layer to form a laminated body;
s40a, pressing the laminated body by a warm water isostatic pressing machine, setting parameters to be 80 ℃ and pressure to be 8000psi, obtaining a green body after pressing, and cutting the green body according to the design size of the product and the shrinkage ratio of pressing;
s50a, keeping the green blank in an air atmosphere degumming furnace for 20h at 500 ℃, performing degumming, and sintering in a sintering furnace for 1h at 1000 ℃ in air atmosphere; finally, cutting according to the size of the product to obtain porous alumina with a titanium carbide three-dimensional heating network;
s60a, laying a sponge body with a proper shape as the porous body 10 on the porous alumina and fixing to obtain the atomization assembly.
Example 3
S10b, mixing the alumina powder with pore-forming agent and ceramic sintering aid, and then preparing the porous alumina plate by press forming and sintering, wherein the porosity is 50%, and the appearance size is 150 x 2 mm;
s20b, performing plasma spraying on one surface of the porous ceramic plate to form a porous layer made of nickel-chromium alloy, wherein the thickness of the porous layer is 100 microns;
s30b, mixing the silver metal powder with the purchased sintering aid, forming a conductive slurry layer on the surface of the nickel-chromium alloy porous layer in a screen printing mode, and drying for a moment; sintering at 600-900 ℃, and finally cutting according to the size of the product to obtain a plurality of monomer atomization components.
The atomization assembly obtained in each example is subjected to sample testing, and an atomization assembly prepared by printing a slurry of nichrome material powder and a sintering aid on the surface of an alumina porous ceramic body and then sintering at 1200 ℃ is used as a comparison group, wherein the atomization assembly sample to be prepared and the example are in a cuboid specification shape of 6mm x 2mm specification and have a porosity of 30%, and then the samples prepared by different processes are subjected to parameter performance testing and comparison. The comparative results are given in the following table:
| number of | Effective heat generation area | Efficiency of heat generation | Amount of smoke | Taste restoration | |
| Example 1 | 30 | 70％-80％ | ≥80％ | 6-8mg/puff | Is preferably used |
| Example 2 | 30 | 70％-80％ | ≥80％ | 6-8mg/puff | Is preferably used |
| Example 3 | 30 | 70％-80％ | ≥80％ | 6-8mg/puff | Is preferably used |
| Comparative example | 30 | 30％-50％ | ≥70％ | 4-7mg/puff | Is poor |
Wherein the above "effective heat generation area" is a percentage of an area having a smoke atomization operating temperature on the test face when the sample generates heat, as a percentage of the entire area of the test face (the test face is a surface of the printed heat generating element in the comparative example sample, and a surface corresponding to the surface of the printed heat generating element in the example); "heating efficiency" is the percentage of the available power of the atomized tobacco tar in the power provided by the battery; "Smoke amount" is a comparative test value under the same test method on the same smoking set.
From the above results, as the heating atomization component changes the heating atomization of the tobacco tar from the partial area near the heating circuit into surface heating, the effective heating area and the whole smoke amount are obviously increased, the mouth feel of the smoke after the atomization is uniform is also close to the preparation mouth feel of the tobacco tar, and the reduction degree is more suitable for the smoking experience of the user.
The utility model discloses still further provide the electron smog spinning disk atomiser including above atomization component, wherein the structure of electron smog spinning disk atomiser can see in an embodiment and is shown in figure 4, and it is including the open cavity shell body 100 in a lower end, has the flue gas passageway 110 of axial setting in the shell body 100, can further see out from the picture, and this flue gas passageway 110 lower extreme communicates with atomizing chamber 320, the upper end is used for and the suction nozzle intercommunication to export the tobacco tar aerosol that inside atomization component produced to the suction nozzle of shell body 100 upper end and supply to suck. An oil storage chamber 120 for storing the tobacco tar is formed between the outer wall of the smoke passage 110 and the inner wall of the outer case 100.
A silica gel holder 300 is further installed in the outer casing 100, and the silica gel holder 300 is mainly used for sealing the oil storage chamber 120 to prevent the smoke from leaking, and on the other hand, can be used as a carrier to provide a base for installing the atomizing assembly 200.
The open end of the outer shell 100 is further provided with an end cover 400, an atomization cavity 320 is formed between the end cover 400 and the silica gel holder 300, and the atomization cavity 320 is configured as a space for atomizing the smoke after the atomization assembly 200 is installed; as can be seen, the atomizing assembly 200 in this embodiment is the atomizing assembly shown in the embodiment of FIG. 1; in implementation, the upper surface of the atomizing assembly 200, which is opposite to the porous heat-generating layer 20, of the porous body 10 is configured as an oil absorption surface which is in contact with the tobacco tar; an oil guiding hole 310 for guiding the smoke oil from the oil storage cavity to the oil suction surface is correspondingly formed in the silicone base 300, one end of the oil guiding hole 310 is connected with the oil storage cavity 120, and the other end of the oil guiding hole 310 is connected with the oil suction surface of the atomizing assembly 200. Meanwhile, the end cap 400 is further provided with a pair of electrode posts 500, which are respectively connected to the electrode connecting portions 30 of the atomizing assembly 200 as a positive electrode and a negative electrode, so as to supply power to the atomizing assembly 200.
As shown in fig. 4, when the atomizer is in operation, the smoke oil is transported from the oil storage chamber 120 along the direction of arrow R1 to the oil absorption surface of the atomizing assembly 200 through the oil guide hole 310, and further transported to the porous heat generating layer 20 through the micropores of the porous body 10, and the smoke oil aerosol generated by atomization escapes to the atomizing chamber 320; the air flow circulation process is that the user sucks the negative pressure generated by the suction nozzle 600 at the upper end of the smoke channel 110, so that the external air flow is driven to enter the atomizing cavity 320 from the lower end according to the direction of the arrow R2, then enters the smoke channel 110 together with the tobacco tar aerosol in the atomizing cavity 320, and finally is output to the suction nozzle 600 at the upper end along the direction of the arrow R3 to be sucked, and a complete air flow circulation is formed.
The utility model further provides an electronic cigarette based on the atomizer, wherein the electronic cigarette comprises an atomizing device for absorbing and atomizing tobacco tar and a power supply device for supplying power to the atomizing device; wherein the atomizing means is carried out using the electronic cigarette atomizer described above.
It should be noted that the preferred embodiments of the present invention are shown in the specification and the drawings, but not limited to the embodiments described in the specification, and further, it will be apparent to those skilled in the art that modifications and variations can be made in the above description and all such modifications and variations should fall within the scope of the appended claims.
Claims (8)
1. An electronic cigarette atomizer comprises an oil storage cavity and an atomizing assembly, wherein the oil storage cavity is used for storing tobacco tar, and the atomizing assembly is used for sucking the tobacco tar from the oil storage cavity and carrying out heating atomization; the atomizing component is characterized by comprising a porous body and a porous heating layer which are arranged in a stacked mode; the surface of the porous heating layer opposite to the porous body is provided with an electrode connecting part;
wherein the porous body has a first surface opposite to the porous heat generating layer, a second surface configured to be in contact with the tobacco tar, and for conducting the tobacco tar from the second surface to the first surface; the porous heating layer covers the first surface, is internally provided with a microporous structure and is used for heating tobacco tar to generate aerosol and releasing the aerosol to the outside of the porous heating layer through the microporous structure.
2. The electronic smoke atomizer of claim 1, wherein said porous heat generating layer has a resistivity of 0.5-2.5 m Ω -cm.
3. The electronic aerosolizer of claim 1, wherein the porous heat-generating layer comprises a porous structural layer, and a three-dimensional heat-generating network formed within the porous structural layer; the three-dimensional heating network is used for heating and atomizing the tobacco tar conducted by the porous structure layer.
4. The electronic aerosolizer of claim 3, wherein a volume ratio of the non-porous portion of the porous structure layer to the three-dimensional heating network is from 0.5 to 3: 1.
5. The electronic smoke atomizer according to claim 1, wherein the pore diameter of the pores of said porous heat generating layer is larger than that of said porous body, and the pore diameter of the pores of said porous heat generating layer is 20 to 100 μm.
6. The electronic aerosolizer of claim 1, wherein the porous heat-generating layer has a microporous porosity greater than the porous body, the porous heat-generating layer having a microporous porosity of 50-98%.
7. The electronic smoke atomizer of claim 1, wherein the thickness of said porous heat generating layer is 0.1-0.5 mm.
8. An electronic cigarette comprises an atomization device and a power supply device, wherein the atomization device is used for absorbing tobacco tar and atomizing the tobacco tar; characterised in that the atomising device is the electronic smoke atomiser of any of claims 1 to 7.
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| CN201920252680.4U CN210203364U (en) | 2019-02-27 | 2019-02-27 | Electronic cigarette atomizer and electronic cigarette |
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Assignee: Shenzhen Yumi Technology Co.,Ltd. Assignor: SHENZHEN FIRST UNION TECHNOLOGY Co.,Ltd. Contract record no.: X2022980010279 Denomination of utility model: Electronic smoke vaporizer and electronic smoke Granted publication date: 20200331 License type: Common License Record date: 20220712 |