A portable smoke evacuation canister

Abstract

This utility model discloses a portable smoke extractor, relating to the field of environmental smoke removal technology. It includes a cylinder body, with an air inlet at one end and an air outlet at the other, the air inlet connected to the air outlet. A positive and negative electrode assembly is provided at the air inlet, one end of which is connected to a check valve, and the other end is connected to the air inlet. The cylinder body is also equipped with a power interface, which is electrically connected to the positive and negative electrode assembly. When smoking in the workplace, blowing the smoke into the check valve of this product can significantly reduce the odor intensity and visible smoke concentration in the emitted gas, thereby solving the problem of secondhand smoke harming public health.

Description

Technical Field

[0001] This utility model relates to the field of environmental protection and smoke removal technology, specifically a portable smoke removal duct. Background Technology

[0002] When smoking in the workplace, one must exhale the smoke inhaled into the surroundings to achieve the purpose of smoking. However, this secondhand smoke poses a serious threat to public health. Based on this issue, cigarette filters have emerged on the market to address the problem of secondhand smoke. Research shows that even after exhaling smoke through a cigarette filter, the harm to public health still exists, and the problem of secondhand smoke is not fundamentally solved. Therefore, there is a need for a product that can effectively solve the problem of secondhand smoke at its source and is also easily portable. Utility Model Content

[0003] The purpose of this application is to provide a technical solution to address the problems mentioned in the background section.

[0004] To achieve the above objectives, this application provides the following technical solution:

[0005] A portable smoke vent includes a cylinder body, one end of which is an air inlet and the other end is an air outlet, the air inlet being connected to the air outlet;

[0006] The air inlet is provided with positive and negative electrode components, one end of which is connected to a check valve and the other end is connected to the air inlet; the cylinder is provided with a power interface, which is electrically connected to the positive and negative electrode components.

[0007] Preferably, the positive and negative electrode assembly consists of an annular negative electrode and an annular serrated positive electrode formed on the insulating member, wherein the annular serrated positive electrode protrudes from the insulating member toward the inner ring of the annular negative electrode.

[0008] Preferably, the positive and negative electrode assembly consists of an annular negative electrode and a plurality of conical positive electrodes formed in an array on an insulating member, wherein the plurality of conical positive electrodes protrude from the insulating member toward the inner ring of the annular negative electrode.

[0009] Preferably, the cylinder is also filled with a catalyst.

[0010] Preferably, the cylinder is also filled with activated carbon.

[0011] Preferably, a section of the cylinder near the air outlet has a plurality of filter holes.

[0012] Preferably, it also includes a filter cover, which is disposed at one end of the cylinder having a plurality of filter holes.

[0013] Preferably, the power interface is also electrically connected to a battery assembly, which is disposed at any point on the cylinder.

[0014] Preferably, the power interface is also electrically connected to a control module, which is located at any point on the cylinder.

[0015] Preferably, the check valve is also connected to a nozzle that matches its outer diameter.

[0016] In summary, the technical effects and advantages of this utility model are as follows:

[0017] This invention relates to a portable smoke eliminator. By incorporating positive and negative electrode components with spatial coupling characteristics, a high-frequency, high-voltage pulsed power supply is applied between them upon energization. This creates a strong, non-uniform transient electric field between the two electrodes. This electric field rapidly ionizes the gaseous medium within a nanosecond to microsecond timescale, thereby inducing the formation of a corona discharge region with a quasi-stable electric field envelope. Within this discharge region, localized high-density non-thermal plasma clusters are formed, accompanied by the generation of a large number of highly energetic reactive species, including but not limited to high-speed hot electrons (electrons). - ), ionized oxygen (O - O2 - The product contains elements such as oxygen free radicals (·O), hydroxyl free radicals (·OH), and ozone molecules (O3). Some of these particles can penetrate the plasma sheath and extend into the gas channel, creating a "corona cloud" that completely covers the polluting flue gas components flowing through the airway. During the reaction, the active particles undergo a series of physical and chemical reactions with volatile organic compounds (VOCs), soot particles, polycyclic aromatic hydrocarbons (PAHs), nitrosamine derivatives, and complex tar vapor molecules in the flue gas. These reactions primarily involve electron bombardment, free radical chain cleavage, molecular oxidation, and transient ion recombination, thereby disrupting their original molecular structure and breaking covalent bonds such as C=C, CH, C=O, and N=O. Ultimately, this results in low-toxicity or non-toxic small molecule end products, mainly CO2, H2O, and trace amounts of NOx. When smoking in the workplace, blowing the smoke into the check valve of this product can significantly reduce the odor intensity and visible smoke concentration in the emitted gas, thus solving the problem of secondhand smoke harming public health.

[0018] Secondly, this solution allows e-cigarettes to be taken on public enclosed spaces such as trains, high-speed trains, and airplanes, effectively addressing the issue of secondhand e-cigarettes harming public health in enclosed spaces.

[0019] Furthermore, the structure of this solution can generate directional ion wind. The ion wind generated by the pressure difference of the high electric field can continuously and stably ensure that the flow direction of the gas in the flue is always blowing towards the exhaust port along the axis. The check valve of the nozzle can effectively prevent excessive gas from being blown out and leaking from the nozzle. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a perspective view of the present utility model.

[0022] Figure 2 This is an exploded view of the present invention.

[0023] Figure 3 This is a perspective view of the battery assembly of this utility model.

[0024] Figure 4 This is a partial cross-sectional view of the present invention.

[0025] Figure 5 This is an exploded view of the first embodiment of the positive and negative electrode components of this utility model.

[0026] Figure 6 This is an exploded view of the second embodiment of the positive and negative electrode components of this utility model.

[0027] Figure 7 This is a schematic diagram of the combined structure of the nozzle and check valve of this utility model.

[0028] Figure 8 This utility model Figure 7 A schematic diagram showing the usage status of the nozzle and check valve.

[0029] In the diagram: 1. Cylinder body; 11. Air inlet; 12. Air outlet; 13. Filter hole; 14. Filter cover; 2. Positive and negative electrode components; 2a. Insulating component; 21a. 21a. 22a. 2b. 2b. 3. Check valve; 4. Power interface; 5. Catalyst; 6. Activated carbon; 7. Battery assembly; 8. Control module; 9. Nozzle. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see Figures 1-8 A portable smoke extinguisher includes a cylinder 1, with an air inlet 11 at one end and an air outlet 12 at the other end, the air inlet 11 being connected to the air outlet 12. Positive and negative electrode components 2 are provided at the air inlet 11, one end of which is connected to a check valve 3, and the other end is connected to the air inlet 11. The cylinder is provided with a power interface 4, which can be any one of type-C, USB A, or micro USB, or a DC interface. The power interface 4 is electrically connected to the positive and negative electrode components 2. This portable smoke extinguisher, by setting positive and negative electrode components 2 with spatial coupling characteristics, applies a high-frequency, high-voltage pulse power supply between them after being energized, creating a strong, non-uniform transient electric field between the two electrodes. This electric field rapidly ionizes the gas medium within a nanosecond to microsecond timescale, thereby inducing the formation of a corona discharge region with a quasi-stable electric field envelope. Within this discharge region, localized high-density nonthermal plasma clusters are formed, accompanied by the generation of a large number of highly energetic reactive species, including but not limited to high-speed hot electrons (electrons). - ), ionized oxygen (O - O2 - The plasma contains various particles, including elemental oxygen free radicals (·O), hydroxyl free radicals (·OH), and ozone molecules (O3). Some of these particles can penetrate the plasma sheath and extend into the gas channel, creating a "corona cloud" that completely covers the polluting components of the flue gas flowing through the airway. During the reaction, the active particles undergo a series of physical and chemical reactions with volatile organic compounds (VOCs), soot particles, polycyclic aromatic hydrocarbons (PAHs), nitrosamine derivatives, and complex tar vapor molecules in the flue gas. These reactions primarily involve electron bombardment, free radical chain cleavage, molecular oxidation, and transient ion recombination, thereby disrupting their original molecular structure and breaking covalent bonds such as C=C, CH, C=O, and N=O. Ultimately, this results in low-toxicity or non-toxic small molecule end products, mainly CO2, H2O, and trace amounts of NOx. When smoking in the workplace, blowing the smoke into the check valve can significantly reduce the odor intensity and visible smoke concentration in the exhaust gas, thus solving the problem of secondhand smoke harming public health.

[0032] Secondly, this solution allows e-cigarettes to be taken on public enclosed spaces such as trains, high-speed trains, and airplanes, effectively addressing the issue of secondhand e-cigarettes posing health risks in enclosed environments.

[0033] Preferably, the positive and negative electrode assembly 2 is composed of an annular negative electrode 2b and an annular serrated positive electrode 21a formed on the insulating member 2a, wherein the annular serrated positive electrode 21a protrudes from the insulating member 2a toward the inner ring of the annular negative electrode 2b. Under the driving condition of a high-voltage pulsed electric field, this scheme generates a strong electric field gradient in the serrated positive electrode structure 21a, which is composed of several annular serrated positive electrodes. This induces multi-point synchronous corona discharge, forming a spatial multi-source discharge coupling system with the opposite annular negative electrode 2b. This system rapidly establishes a high-density, uniformly distributed non-thermal plasma reaction field in the gas medium. A large number of high-speed electrons generated by field emission undergo multi-level inelastic collisions and excited ionization reactions with gas molecules, synergistically generating highly reactive particles such as O3, ·OH, and ·O. This achieves efficient electrochemical cracking, free radical-induced oxidation, and charged adsorption synergistic treatment of volatile organic compounds (VOCs), odor molecules, and micron-sized particles throughout the gas channel. It features uniform electric field distribution, high discharge efficiency, wide pollutant coverage, short response time, and suitability for continuous treatment of high-load polluted gases, significantly improving work efficiency.

[0034] Preferably, the positive and negative electrode assembly 2 is composed of an annular negative electrode 2b and a plurality of conical positive electrodes 22a arranged in an array on the insulating member 2a, wherein the plurality of conical positive electrodes 22a protrude from the insulating member 2a toward the inner ring of the annular negative electrode 2b. Under the action of a high-voltage pulsed electric field, the array of conical positive electrodes 22a, due to their extremely high local curvature at the tips, induces a strong electric field concentration effect, forming multiple spatial high-gradient electric field points between them and the opposite annular negative electrode 2b. This preferentially generates multi-point synchronous corona discharge regions in the air or flue gas medium. This discharge structure releases a large number of high-energy electrons through field emission mechanism and excites gas molecules into a metastable state, inducing a series of ionization, excitation, recombination, and free radical chain reactions. This rapidly establishes a high-density non-thermal plasma reaction cloud, releasing highly oxidizing active particles such as O3, ·O, and ·OH. This achieves efficient electrochemical degradation, bond energy cracking, and oxidative mineralization of complex multi-component pollutants (including VOCs, aldehydes and ketones, carbon black particles, and tar vapor) in the gas channel. It features low arc voltage, strong discharge stability, uniform spatial distribution of the discharge region, high reactivity, and fast purification rate.

[0035] Preferably, the cylinder 1 is further filled with catalyst 5. In this design, catalyst 5 can undergo interfacial activation with ozone (O3) generated by plasma, inducing ozone to undergo molecular cleavage at catalytically active sites through a surface adsorption-dissociation mechanism to generate highly reactive oxygen intermediates (such as ·O, O2).- O - It further drives a multi-step free radical chain oxidation reaction to achieve selective bond breaking and complete mineralization of volatile organic compounds (VOCs) and other recalcitrant pollutant molecules. At the same time, it effectively reduces the residual concentration of ozone and inhibits the generation of secondary pollutants (such as oxygen-containing organic byproducts and NOx). It has strong oxidation capacity, high reaction selectivity, significant synergistic effect and adaptability to complex working conditions for flue gas purification.

[0036] Preferably, the cylinder 1 is further filled with activated carbon 6. In this scheme, the activated carbon 6 serves as an end-stage deep polishing adsorption module, which can synergistically capture trace amounts of VOCs, low concentrations of ozone, and incomplete oxidation byproducts remaining after front-end non-thermal plasma and catalytic oxidation treatment. Its multi-level pore structure provides a high specific surface area to enhance the molecular diffusion and interfacial retention effect of pollutants. At the same time, the oxygen-containing functional groups on the surface of the activated carbon achieve highly efficient and selective adsorption of polar and non-polar organic molecules, further reducing the content of harmful components in secondhand smoke and effectively suppressing the risk of secondary pollution diffusion.

[0037] Preferably, a plurality of filter holes 13 are formed in a section of the cylinder 1 near the air outlet 12. This novel design, by setting a specific distribution of filter holes 13, achieves efficient mechanical filtration and gas-solid separation of suspended carbon black particles, condensed tar droplets, and some condensed phase pollutants in high-temperature flue gas while ensuring gas permeability. The spatial geometric characteristics of the filter holes can locally generate shear disturbances and quasi-laminar flow fields, causing pollutant particles to undergo inertial collisions, diffusion deposition, and backflow rotation along the hole walls. This improves particle retention efficiency and prevents large-diameter impurities from entering the downstream plasma reaction region, ensuring discharge stability and the product's lifespan.

[0038] Preferably, the system further includes a filter cover 14, which is disposed at one end of the cylindrical body 1 having a plurality of filter holes 13. The function of the filter cover 14 is explained in the description of the filter holes 13 above.

[0039] Preferably, the power interface 4 is also electrically connected to a battery assembly 7, which is disposed at any point on the cylindrical body 1. The battery assembly 7 can be designed as a separate power bank or integrated into the side of the cylindrical body 1. When integrated into the side of the cylindrical body, the power interface 4 can also be integrated along with it, improving portability and usability.

[0040] Preferably, the power interface 4 is also electrically connected to a control module 8, which is located at any point on the cylinder 1. The control module 8 can be a physical power switch structure or a structure of a physical power switch combined with an intelligent control chip. It can be adaptively designed according to the user's manufacturing requirements.

[0041] Preferably, the check valve 3 is also connected to a nozzle 9 with a matching outer diameter. The nozzle 9 has a streamlined shape at one end facing the user's mouth, and the other end is fitted onto the check valve 3. The structure of the nozzle 9 can be adapted to meet the user's manufacturing requirements.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A portable smoke vent, comprising a cylinder body, one end of which is an air inlet and the other end of which is an air outlet, the air inlet being connected to the air outlet; characterized in that The air inlet is provided with positive and negative electrode components, one end of which is connected to a check valve and the other end is connected to the air inlet; the cylinder is provided with a power interface, which is electrically connected to the positive and negative electrode components.

2. The portable smoke extractor according to claim 1, characterized in that: The positive and negative electrode assembly consists of an annular negative electrode and an annular serrated positive electrode formed on the insulating component. The annular serrated positive electrode protrudes from the insulating component toward the inner ring of the annular negative electrode.

3. A portable smoke extractor according to claim 1, characterized in that: The positive and negative electrode components consist of an annular negative electrode and several conical positive electrodes formed in an array on an insulating component. The several conical positive electrodes protrude from the insulating component toward the inner ring of the annular negative electrode.

4. A portable smoke extractor according to claim 1, characterized in that: The cylinder is also filled with a catalyst.

5. A portable smoke extractor according to claim 4, characterized in that: The cylinder is also filled with activated carbon.

6. A portable smoke extractor according to claim 1, characterized in that: The section of the cylinder near the air outlet has several filter holes.

7. A portable smoke extractor according to claim 6, characterized in that: It also includes a filter cover, which is disposed at one end of the cylinder having a plurality of filter holes.

8. A portable smoke extractor according to claim 1, characterized in that: The power interface is also electrically connected to a battery assembly, which is located at any point on the cylinder.

9. A portable smoke extractor according to claim 1, characterized in that: The power interface is also electrically connected to a control module, which is located at any point on the cylinder.

10. A portable smoke extractor according to claim 1, characterized in that: The check valve is also connected to a nozzle that matches its outer diameter.

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