Atomizing core structure and electronic cigarette
By placing foam metal on the outer surface of the atomizer core and placing printed circuits therein, the atomizer core is heated and the e-liquid is preheated, which solves the problem of mismatch between e-liquid absorption rate and improves atomization efficiency and vaping experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA TOBACCO GUANGDONG IND
- Filing Date
- 2025-06-23
- Publication Date
- 2026-06-19
AI Technical Summary
In existing e-cigarettes, the mismatch between the absorption rate of the e-liquid and the actual vaporization rate leads to incomplete vaporization or dry burning of the atomizer coil, affecting the vaping experience.
Foam metal is placed on the outer side of the atomizer core, and a printed circuit is placed between the atomizer core and the foam metal. The printed circuit heats the atomizer core and the foam metal, preheats the e-liquid to improve its fluidity, and combines with the foam metal to filter the atomized aerosol.
It improves atomization efficiency, reduces the chance of oil splattering from the atomizer coil, and optimizes the vaping experience.
Smart Images
Figure CN224369075U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic cigarette technology, and in particular to an atomizing core structure and an electronic cigarette including the atomizing core structure. Background Technology
[0002] An electronic cigarette is an electronic atomization device, generally consisting of a power supply unit and an atomizer. The power supply unit contains a battery that powers the atomizer. The atomizer includes an internal coil that, when powered, heats and atomizes the solution to be atomized (i.e., the e-liquid) into an aerosol. The e-liquid is the e-liquid stored in the atomizer's reservoir. In existing electronic cigarette structures, the heating circuit only heats the atomizer coil. When e-liquid enters the coil, the absorption rate is affected by the degree of matching between the e-liquid viscosity and the coil's porosity, water absorption rate, and other physical parameters. Rapid absorption leads to incomplete atomization, causing spitting, where the e-liquid enters the user's mouth directly with the aerosol. Conversely, slow absorption causes the coil to burn dry, reducing atomization efficiency and producing an unpleasant aroma, resulting in a poor vaping experience. Utility Model Content
[0003] The purpose of this utility model embodiment is to provide an atomizing core structure and electronic cigarette that can improve the fluidity of e-liquid by preheating it in advance, reduce the difficulty of matching e-liquid and atomizing core, and improve the atomization effect. At the same time, the aerosol atomized by the atomizing core will also be filtered by foam metal to reduce the amount of e-liquid droplets produced by spitting into the user's mouth.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] An atomizing core structure is provided, including an atomizing core, a first printed circuit, and foam metal, wherein at least one outer surface of the atomizing core is provided with the foam metal; the first printed circuit is disposed on the atomizing core and located between the atomizing core and the foam metal, and the first printed circuit is connected to a power source.
[0006] As a further embodiment of the atomizing core structure, the atomizing core has two outer surfaces, the foam metal includes a first foam metal and a second foam metal, the first foam metal is disposed on one of the outer surfaces, the second foam metal is disposed on the other outer surface, the first printed circuit is disposed between the first foam metal and the atomizing core, and the second foam metal is electrically connected to the power supply.
[0007] As a further embodiment of the atomizing core structure, a second printed circuit is also included. The atomizing core has two outer surfaces. The foam metal includes a first foam metal and a second foam metal. The first foam metal is disposed on one of the outer surfaces, and the second foam metal is disposed on the other outer surface. The first printed circuit is disposed between the first foam metal and the atomizing core, and the second printed circuit is disposed on the second foam metal and connected to the power supply.
[0008] As a further embodiment of the atomizing core structure, the second printed circuit is disposed between the second foam metal and the atomizing core.
[0009] As a further embodiment of the atomizing core structure, it also includes an atomizing device. The atomizing core has two outer surfaces. The foam metal includes a first foam metal and a second foam metal. The first foam metal is disposed on one of the outer surfaces, and the second foam metal is disposed on the other outer surface. The first printed circuit is disposed between the first foam metal and the atomizing core. The atomizing device is disposed adjacent to the second foam metal.
[0010] As a further embodiment of the atomizing core structure, the porosity of the atomizing core is 45-55%.
[0011] As a further embodiment of the atomizing core structure, the porosity of the foam metal is 50-95%.
[0012] As a further embodiment of the atomizing core structure, the water absorption rate of the atomizing core is 35-55%.
[0013] As a further embodiment of the atomizing core structure, the atomizing core has an oil conduction rate of 0.001-0.008 g / s and an atomization efficiency of 7.5-9.5 mg / puff.
[0014] An electronic cigarette is also provided, including the aforementioned atomizing core structure.
[0015] Beneficial effects: This utility model places the first printed circuit on the atomizing core and positions it between the atomizing core and the foam metal. When the first printed circuit is energized, it can simultaneously heat the atomizing core and the foam metal. Because the first printed circuit is placed on the atomizing core, the atomizing core can be heated quickly, especially the outer surface of the atomizing core, which heats up rapidly. The heat from the outer surface of the atomizing core is transferred to the adjacent foam metal, thus heating the foam metal. The viscosity of the e-liquid entering the foam metal decreases as the temperature rises, thereby improving atomization efficiency and enhancing the e-cigarette smoking experience.
[0016] This invention features a foamed metal surface on the outer side of the atomizer core. The aerosol generated by e-liquid atomization is properly filtered through the foamed metal, reducing the chance of core splattering and e-liquid splattering during vaping.
[0017] This invention heats a second metal, and the heated second foam metal preheats the e-liquid, thereby further improving the e-liquid atomization efficiency. Attached Figure Description
[0018] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.
[0019] Figure 1 This is a cross-sectional schematic diagram of the atomizing core structure described in Embodiment 1 of this utility model;
[0020] Figure 2 This is a cross-sectional schematic diagram of the atomizing core structure described in Embodiment 2 of this utility model.
[0021] In the picture:
[0022] 1. Atomizing core; 2. First printed circuit; 3. Foam metal; 31. First foam metal; 32. Second foam metal; 4. Second printed circuit. Detailed Implementation
[0023] To make the technical problems solved by this utility model, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0024] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0025] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0026] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationships shown in the accompanying drawings. They are used solely for ease of description and simplification of operation, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," etc., are merely used for distinction in description and have no special meaning.
[0027] Example 1
[0028] like Figure 1 As shown, the atomizing core structure of this embodiment includes an atomizing core 1, a first printed circuit 2, and foam metal 3. At least one outer surface of the atomizing core 1 is provided with foam metal 3; the first printed circuit 2 is disposed on the atomizing core 1 and located between the atomizing core 1 and the foam metal 3, and the first printed circuit 2 is connected to a power source.
[0029] It is understood that in this embodiment, the first printed circuit 2 is placed on the atomizing core 1 and positioned between the atomizing core 1 and the foam metal 3. When the first printed circuit 2 is powered on, it can simultaneously heat the atomizing core 1 and the foam metal 3. Since the first printed circuit 2 is placed on the atomizing core 1, the atomizing core 1 can be heated quickly, especially the outer surface of the atomizing core 1, which heats up rapidly. The heat from the outer surface of the atomizing core 1 is transferred to the foam metal 3 adjacent to the outer surface. The heat generated by the atomizing core 1 is transferred to the foam metal 3, which can heat the foam metal 3. This allows the e-liquid to be preheated by the foam metal 3 in advance, so that the viscosity of the e-liquid entering the foam metal 3 decreases as the temperature rises, improving the fluidity of the e-liquid, reducing the difficulty of matching the e-liquid and the atomizing core, thereby improving the atomization effect and optimizing the e-cigarette vaping experience.
[0030] In this embodiment, foam metal 3 is provided on the outer side of the atomizing core 1. The aerosol generated by the atomization of e-liquid is properly filtered by the foam metal 3, reducing the probability of the atomizing core 1 splattering and oil splattering during inhalation, thereby reducing the amount of e-liquid droplets generated by oil splattering entering the user's mouth.
[0031] Furthermore, the atomizing core 1 has two outer surfaces, and the foam metal 3 includes a first foam metal 31 and a second foam metal 32. The first foam metal 31 is disposed on one of the outer surfaces, and the second foam metal 32 is disposed on the other outer surface. The first printed circuit 2 is disposed between the first foam metal 31 and the atomizing core 1, and the second foam metal 32 is electrically connected to the power supply.
[0032] Furthermore, the two outer surfaces mentioned above are two outer surfaces arranged opposite to each other of the atomizing core 1, which can further improve the atomization effect of the atomizing core 1.
[0033] In this embodiment, the first printed circuit 2 is disposed on one of the outer surfaces of the atomizing core 1 and located between the atomizing core 1 and the first foam metal 31. The first printed circuit 2 can directly heat the atomizing core 1 and indirectly heat the first foam metal 31 through heat transfer. The second foam metal 32 is disposed on the other outer surface of the atomizing core 1 and connected to the power supply. The second foam metal 32 can directly serve as a resistive heating element. Utilizing the inherent resistivity of the second foam metal 32 (resistance range of 0.6-1.5 ohms), heat is generated directly after power is applied without the need for an additional heating wire, thereby improving heating uniformity. The heated second foam metal 32 preheats the e-liquid, thereby further improving the atomization efficiency of the e-liquid.
[0034] Preferably, the first printed circuit 2 is embedded in one outer side of the atomizing core 1, and the outer surface of the first printed circuit 2 is flush with the outer side, so that the first foam metal 31 can be tightly attached to the atomizing core 1, thereby improving the heat transfer efficiency.
[0035] Furthermore, the atomizing core 1 is a porous ceramic atomizing core with a porosity of 45-55%. By controlling the porosity of the ceramic atomizing core to 45-55% and combining it with the placement of the foam metal 3, the ceramic atomizing core can achieve a good atomization effect.
[0036] Furthermore, the porosity of the foam metal 3 is 50-95%. By designing a suitable porosity, the viscosity of the e-liquid in the storage state and the porosity of the foam metal 3 can be matched, allowing the foam metal 3 to adsorb the e-liquid and thus prevent e-liquid leakage.
[0037] Furthermore, the water absorption rate of atomizing coil 1 is 35-55%, the wicking rate is 0.001-0.008 g / s, and the atomization efficiency is 7.5-9.5 mg / puff. By controlling the water absorption rate, wicking rate, and atomization efficiency of atomizing coil 1 within a suitable range, the user's vaping experience can be further improved.
[0038] Example 2
[0039] This embodiment is basically the same as the first embodiment described above, except that it also includes a second printed circuit 4, and the second foam metal 32 is not directly connected to the power supply, but is connected to the power supply through the second printed circuit 4.
[0040] like Figure 2 As shown, the atomizer core 1 has two outer surfaces. The foam metal 3 includes a first foam metal 31 and a second foam metal 32. The first foam metal 31 is disposed on one of the outer surfaces, and the second foam metal 32 is disposed on the other outer surface. A first printed circuit 2 is disposed between the first foam metal 31 and the atomizer core 1, and a second printed circuit 4 is disposed on the second foam metal 32 and connected to a power source. By disposing of the second printed circuit 4 on the second foam metal 32, the second foam metal 32 can be directly heated. The temperature can be controlled using pulse modulation (PWM). As the e-liquid passes through the second foam metal 32, the heated second foam metal 32 preheats the e-liquid, thereby reducing the viscosity of the e-liquid, increasing the rate at which the e-liquid enters the atomizer core 1, and further improving the e-liquid atomization efficiency.
[0041] Furthermore, the second printed circuit 4 is disposed between the second foam metal 32 and the atomizing core 1. After the second printed circuit 4 heats the second foam metal 32, the heat of the second foam metal 32 is transferred to the atomizing core 1, thereby improving the heating efficiency of the atomizing core 1.
[0042] Furthermore, the second printed circuit 4 is embedded in the side of the second foam metal 32 facing the atomizing core 1, and the outer surface of the second printed circuit 4 is flush with the outer surface of the second foam metal 32, so that the second foam metal 32 can be tightly attached to the atomizing core 1, thereby improving the heat transfer efficiency.
[0043] In this embodiment, the first printed circuit 2 and the second printed circuit 4 are not in contact and are controlled independently. The structure of the corresponding control circuit is not within the protection scope of this utility model, and will not be described in detail here.
[0044] Example 3
[0045] This embodiment is basically the same as the first embodiment described above (refer to the accompanying drawings of the first embodiment, and the same component names are referred to by the same reference numerals). The difference is that the second foam metal 32 is not connected to the power supply, and the atomizing core structure of this embodiment also includes an atomizing device (not shown in the figure). The atomizing core 1 has two outer surfaces. The foam metal 3 includes a first foam metal 31 and a second foam metal 32. The first foam metal 31 is disposed on one of the outer surfaces, and the second foam metal 32 is disposed on the other outer surface. The first printed circuit 2 is disposed between the first foam metal 31 and the atomizing core 1. The atomizing device is disposed adjacent to the second foam metal 32 to further improve the atomization of e-liquid in the atomizing core 1.
[0046] Optionally, the atomizing device is selected from the heating device. When a heating device is selected as the atomizing device, it can be used to heat the atomizing core 1. Specifically, the heating device can be an infrared heater or an electromagnetic heater, and can be installed on the outer side of the atomizing core 1, for example, installed on... Figure 1 The left and right sides of the atomizing core 1 shown are connected to the power supply. Heating the atomizing core 1 can improve the atomization efficiency.
[0047] In other embodiments, an ultrasonic device can also be selected as the atomizing device, specifically in Figure 1 An ultrasonic device is installed on each of the left and right sides of the atomizing core 1 shown. The atomizing core 1 is vibrated by the ultrasonic waves, so that the e-liquid in contact with the atomizing core 1 is atomized under the action of high frequency vibration.
[0048] In other embodiments, eddy currents in the foam metal 3 can be induced by a high-frequency electromagnetic field to generate internal heat. This method is suitable for iron-based foam metal 3 and can avoid electrode contact, thereby improving service life.
[0049] This embodiment also provides an electronic cigarette, which includes the atomizing core structure of any of the above embodiments. The electronic cigarette of this embodiment has a good user vaping experience.
[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application, and they should all be covered within the scope of the claims and specification of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. An atomizer wick structure, characterized by, The atomizing core includes a first printed circuit and a foam metal, wherein the foam metal is disposed on at least one outer surface of the atomizing core; the first printed circuit is disposed on the atomizing core and located between the atomizing core and the foam metal, and the first printed circuit is connected to a power source.
2. The atomizer wick structure of claim 1, wherein, The atomizing core has two outer surfaces. The foam metal includes a first foam metal and a second foam metal. The first foam metal is disposed on one of the outer surfaces, and the second foam metal is disposed on the other outer surface. The first printed circuit is disposed between the first foam metal and the atomizing core. The second foam metal is electrically connected to the power supply.
3. The atomizer wick structure of claim 1, wherein, It also includes a second printed circuit. The atomizing core has two outer sides. The foam metal includes a first foam metal and a second foam metal. The first foam metal is disposed on one of the outer sides, and the second foam metal is disposed on the other outer side. The first printed circuit is disposed between the first foam metal and the atomizing core, and the second printed circuit is disposed on the second foam metal and connected to the power supply.
4. The atomizer structure of claim 3, wherein, The second printed circuit is disposed between the second foam metal and the atomizing core.
5. The atomizing core structure according to claim 1, characterized in that, It also includes an atomizing device, the atomizing core having two outer surfaces, the foam metal including a first foam metal and a second foam metal, the first foam metal being disposed on one of the outer surfaces, the second foam metal being disposed on the other outer surface, the first printed circuit being disposed between the first foam metal and the atomizing core, and the atomizing device being disposed adjacent to the second foam metal.
6. The atomizing core structure according to any one of claims 1 to 5, characterized in that, The porosity of the atomizing core is 45-55%.
7. The atomizing core structure according to claim 6, characterized in that, The porosity of the foamed metal is 50-95%.
8. The atomizing core structure according to claim 6, characterized in that, The water absorption rate of the atomizing core is 35-55%.
9. The atomizing core structure according to claim 6, characterized in that, The atomizing core has an oil conduction rate of 0.001-0.008 g / s and an atomization efficiency of 7.5-9.5 mg / puff.
10. An electronic cigarette, characterized in that, Includes the atomizing core structure as described in any one of claims 1 to 9.