WO2023241273A1 - 气溶胶生成基质 - Google Patents

气溶胶生成基质 Download PDF

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Publication number
WO2023241273A1
WO2023241273A1 PCT/CN2023/093489 CN2023093489W WO2023241273A1 WO 2023241273 A1 WO2023241273 A1 WO 2023241273A1 CN 2023093489 W CN2023093489 W CN 2023093489W WO 2023241273 A1 WO2023241273 A1 WO 2023241273A1
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WO
WIPO (PCT)
Prior art keywords
section
matrix
sub
air holes
aerosol
Prior art date
Application number
PCT/CN2023/093489
Other languages
English (en)
French (fr)
Inventor
文治华
张大志
Original Assignee
深圳麦克韦尔科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳麦克韦尔科技有限公司 filed Critical 深圳麦克韦尔科技有限公司
Publication of WO2023241273A1 publication Critical patent/WO2023241273A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod
    • A24C5/1885—Forming the rod for cigarettes with an axial air duct
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0279—Manufacture of tobacco smoke filters for filters with special features with tubes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0001—Details of inhalators; Constructional features thereof

Definitions

  • the present application relates to the field of atomization technology, and more specifically, to an aerosol-generating matrix.
  • Aerosol is a colloidal dispersion system formed by small solid or liquid particles dispersed and suspended in a gas medium. Since aerosol can be absorbed by the human body through the respiratory system, it provides users with a new alternative absorption method.
  • An atomizer refers to a device that forms an aerosol from stored atomizable substrates by heating or ultrasound. Atomizable media include e-liquids containing nicotine (nicotine), medical drugs, skin care lotions, etc. Atomizing these media can deliver aerosols that can be inhaled to users, replacing conventional product forms and absorption methods.
  • the heated non-burning atomization matrix is a kind of atomization matrix that uses a special heat source and matrix to heat (the heating temperature is below 500°C or even lower). When heated, various substances in the atomization matrix volatilize to produce aerosols to meet the needs of smokers. A new type of atomization matrix.
  • the heated and non-burning atomization matrix produces no open flames and soot during the smoking process, which is more environmentally friendly and can provide users with a good user experience. At the same time, it reduces the harmful substances produced by high-temperature cracking of conventional atomization matrix during combustion, thus Reduce physical harm to users.
  • part of the aerosol generated by the existing heat-not-burn atomization matrix when heated and volatilized cannot flow out smoothly with the air flow, so that the effective substances of the heat-not-burn atomization matrix, such as nicotine, cannot be well precipitated. This affects the further improvement of user experience.
  • an aerosol-generating matrix is provided.
  • An aerosol-generating matrix comprising:
  • the matrix segment includes a matrix body and a matrix segment coating layer circumferentially wrapped outside the matrix body;
  • the confluence filter section is connected to one axial end of the matrix section and is used to filter the airflow flowing out from the matrix section;
  • the matrix segment coating layer is provided with matrix segment pores connected to its inner and outer surfaces, and the matrix segment pores are The distance between one end of the base section and the end surface connecting the confluence filter section is greater than 0 mm and less than 1 mm.
  • the coating layer of the matrix segment is provided with a plurality of air holes in the matrix segment, and all the air holes in the matrix segment are arranged at intervals along the circumferential direction of the matrix segment.
  • all the air holes in the matrix segment are arranged non-equidistantly along the circumferential direction of the matrix segment.
  • the number of pores in the matrix segment is 2 to 20.
  • the confluence filter section includes:
  • a sub-bus section is connected to one axial end of the matrix section and has a cavity for air flow to flow through;
  • a sub-filtration section is connected to an end of the sub-collection section away from the matrix section, and is used to filter the airflow flowing out of the cavity.
  • the sub-collection section is provided with at least one group of sub-collection section air holes, and each group of the sub-collection section air holes connects the cavity and the external environment.
  • the distance between the air holes in each group of the sub-collection sections relative to the confluence filter section is 1 mm to 10 mm.
  • the sub-collection section is provided with multiple groups of air holes in the sub-collection section, and each group of the air holes in the sub-collection section is arranged at intervals along the axial direction of the sub-collection section.
  • the air holes in the sub-collection section include a plurality of air holes in the sub-collection section, and all the air holes in the sub-collection section in the same group are arranged at intervals along the circumferential direction of the sub-collection section.
  • all the air holes in the sub-collection section in the same group are arranged at equal intervals along the circumferential direction of the sub-collection section.
  • the number of air holes in each group of the sub-confluence sections is 2-20.
  • Figure 1 is a schematic diagram of an aerosol generating matrix according to an embodiment of the present application.
  • Figure 2 is a schematic diagram of the internal structure of the aerosol generating matrix shown in Figure 1.
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.
  • connection In this application, unless otherwise clearly stated and limited, the terms “installation”, “connection”, “connection”, “fixing” and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated into one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interactive relationship between two elements, unless otherwise specified restrictions. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
  • a first feature being “on” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. touch.
  • the terms “above”, “above” and “above” the first feature is above the second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature.
  • "Below”, “below” and “beneath” the first feature to the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.
  • Figure 1 shows a schematic diagram of an aerosol-generating matrix in an embodiment of the present application
  • Figure 2 shows a schematic diagram of the internal structure of an aerosol-generating matrix in an embodiment of the present application.
  • An embodiment of the present application provides an aerosol-generating matrix 100.
  • the aerosol-generating matrix 100 has a columnar structure with a circular cross-section.
  • the aerosol-generating matrix 100 can be inserted into the heated airway of an atomizing device.
  • the aerosol generating substrate 100 can be heated by the heating device to generate aerosol for the user to inhale.
  • the aerosol-generating substrate 100 has a columnar structure as a whole, and the cross-section of the aerosol-generating substrate 100 is circular.
  • the aerosol generating matrix 100 includes an interconnected matrix section 120 and a confluence filter section 140, and the confluence filter section 140 is connected to one axial end of the matrix section 120.
  • the matrix section 120 can generate aerosol under the heating of the atomization device.
  • the aerosol After being filtered by the confluence filter section 140, the aerosol generating matrix 100 flows out for the user to inhale.
  • the shape and size of the aerosol-generating substrate 100 are not limited, and the cross-section of the aerosol-generating substrate 100 can also be an ellipse, a rectangle, or other regular or irregular shapes.
  • the matrix segment 120 includes a matrix body 121 and a matrix segment coating layer.
  • the matrix segment coating layer is coated on the matrix body 121 to form a columnar structure.
  • the outer surface of the matrix segment coating layer forms the outer circular surface of the columnar structure.
  • the shape of the cross-section perpendicular to the axial direction of the columnar structure may be circular. It can be understood that the cross-sectional shape of the aforementioned columnar structure is not limited thereto. In other embodiments, it may also be an elliptical, rectangular, or other regular or irregular shape.
  • the matrix body 121 may include tobacco filler, and the tobacco filler may be in regular or irregular shapes such as filaments, granules, and sheets. It can be understood that the material forming the matrix body 121 is not limited.
  • the matrix body 121 can be formed from a single material or a variety of materials mixed in different proportions. Other substances can also be added to the matrix body 121 to produce gases with different components and different flavors. Sol to meet the different needs of users.
  • the coating layer of the matrix segment can be formed of covering materials such as cigarette paper, so that the matrix body 121 maintains a certain shape. It can be understood that the material forming the coating layer of the substrate segment is not limited thereto. In other embodiments, the coating layer of the substrate segment can also be formed of other materials such as aluminum foil to meet different requirements.
  • the confluence filter section 140 includes a sub-confluence section 141 and a sub-filtration section 143.
  • the sub-confluence section 141 is connected to an axial end of the matrix section 120, and the sub-filtration section 143 is connected away from the sub-confluence section 141.
  • the other axial end of the matrix segment 120 In this way, the aerosol generated after the matrix section 120 is heated can pass through the confluence and sub-passage of the sub-confluence section 141.
  • the filter section 143 flows out after filtration.
  • the sub-bus section 141 includes a cavity tube 1412 and a sub-bus section cladding layer.
  • the cavity tube 1412 is a hollow tubular structure with both ends open.
  • the sub-bus section coating layer can be formed of wrapping materials such as molding paper.
  • the sub-bus section coating layer is circumferentially wrapped around the outer surface of the cavity tube 1412 to form a A whole. In this way, a cavity 1414a connected to the matrix section 120 is formed in the sub-collection section 141.
  • the aerosol flowing out from the matrix section 120 enters the cavity 1414a and merges with the air flow in the cavity 1414a, and then flows into the confluence filter section 140 under the entrainment of the air flow.
  • the shape and structure of the sub-bus section 141 are not limited.
  • the cross-section of the sub-bus section 141 can be annular, square or other regular or irregular shapes, forming the cavity tube 1412 and the sub-bus section cladding layer. Materials can also be configured as needed to meet different requirements.
  • sub-filtration section 143 includes filter media 1432 and a sub-filtration section cladding.
  • the sub-filtration section coating layer is coated on the outside of the filter medium 1432 to form a columnar structure.
  • the outer surface of the sub-filtration section coating layer forms the outer circular surface of the columnar structure.
  • the shape of the cross-section perpendicular to the axial direction of the columnar structure can be Is round. It can be understood that the cross-sectional shape of the aforementioned columnar structure is not limited thereto. In other embodiments, it may also be an elliptical, rectangular, or other regular or irregular shape.
  • the filter medium 1432 is formed of a polymer filling material, which can filter and cool the aerosol flowing through it, and the sub-filtration section coating layer can be formed of a wrapping material such as molding paper. It can be understood that the material forming the filter medium 1432 and the material forming the sub-filtration section coating layer are not limited. In other embodiments, the filter medium 1432 and the sub-filtration section coating layer can be formed of other materials to meet different filtration requirements.
  • the aerosol generating matrix 100 also includes a confluence filter section coating layer and a connecting layer.
  • the coating layer of the confluence filter section is formed of molding paper or other coating materials.
  • the coating layer of the confluence filter section is coated on the outer surfaces of the sub-compartment section coating layer and the sub-filtration section coating layer, thereby forming a complete confluence filter section 140 .
  • the connecting layer is formed of tipping paper or other covering materials.
  • the connecting layer is coated on one end of the confluence filter section coating layer close to the matrix section 120 and on one end of the matrix section coating layer close to the sub-confluence section 141 to form a complete airflow system.
  • Sol generates matrix 100. It can be understood that the materials used to form the covering layer and connecting layer of the confluence filter section are not limited thereto and can be set as needed to meet different requirements.
  • the matrix section 120 includes a matrix body 121 and a first coating layer 123 circumferentially wrapped around the matrix body 121 , wherein the first coating layer 123 is composed of a matrix section coating layer and a coating layer wrapped around the matrix body 121 .
  • the connection layer covering one end of the substrate section cladding layer close to the sub-bus section 141 is formed in a stack.
  • the sub-bus section 141 includes a cavity tube 1412 and a second coating layer 1414 circumferentially covering the outer circumferential surface of the cavity tube 1412, where the second coating layer 1414 is composed of a sub-section covering the outside of the cavity tube 1412.
  • the cladding layer of the converging section and the cladding layer of the converging filter section covering the sub-condensing section cladding layer are stacked and formed.
  • the sub-filtration section 143 includes a filter medium 1432 and a third coating layer 1434 circumferentially wrapped around the filter medium 1432.
  • the third coating layer 1434 is composed of a sub-filtration section coating layer and a coating layer wrapped around the filter medium 1432.
  • the cladding is formed in layers.
  • the first coating layer 123 is defined as the general name of the laminated structure covering the outside of the matrix body 121
  • the second coating layer 1414 is defined as the general name of the laminated structure covering the outer circumferential surface of the cavity tube 1412
  • the third The coating layer 1434 is defined as the general name of the laminated structure coated on the filter medium 1432.
  • the specific structures and materials of the first coating layer 123, the second coating layer 1414 and the third coating layer 1434 are not limited and can be formed as needed. Set up to meet different requirements.
  • the first coating layer 123 covering the matrix body 121 is provided with a matrix section pore 123a connected to its inner and outer surfaces.
  • the matrix section pore 123a is connected to one end surface of the converging filter section 140 relative to the matrix section 120.
  • the distance is greater than 0mm and less than 1mm.
  • the matrix section since the first coating layer 123 is laminated and formed by a matrix section coating layer covering the outside of the matrix body 121 and a connection layer covering one end of the matrix section coating layer close to the sub-bus section 141, the matrix section
  • the pores 123a penetrate through the matrix segment cladding layer and the connecting layer along the thickness direction.
  • the air intake amount and the total ventilation rate entering the sub-confluence section 141 can be effectively increased.
  • the user creates a negative pressure on the end surface of the aerosol generating matrix 100 away from the matrix section 120 by suction it is easier to gradually bring out the nicotine and flavor substances generated during the heating process of the matrix body 121, thereby having better The suction consistency effectively improves the user experience.
  • the opening position of the air hole 123a of the matrix section is very close to the end surface of the matrix section 120, the air flow passing through the matrix body 121 can be minimized, so that the matrix body 121 is in a state of negative pressure and low oxygen to the greatest extent. It can better release effective substances in the aerosol-forming matrix, and ensure that the temperature of the matrix body 121 is relatively stable during the dynamic process of suction, so that the aerosol release amount remains consistent.
  • the matrix section 120 is provided with a plurality of matrix section air holes 123a, and all the matrix section air holes 123a are arranged at intervals along the circumference of the converging filter section 140. In this way, the airflow outside the aerosol-generating matrix 100 can be separately diverted into the matrix segment 120 through the plurality of matrix segment air holes 123a.
  • the number of air holes 123a in the matrix section is 2 to 20. It can be understood that the number of air holes 123a in the matrix section is not limited and can be set as needed to meet different suction requirements. For example, the number of air holes 123a in the matrix section is 16 or 12.
  • the air holes 123a of the matrix section are arranged non-equidistantly along the circumferential direction of the matrix section 120, that is, at least part of the distance between the air holes 123a of two adjacent matrix sections The distance between the air holes 123a of the remaining two adjacent matrix segments is different. It can be understood that in other embodiments, all the air holes 123a of the matrix section can be arranged equidistantly along the circumferential direction of the matrix section 120, that is, the distance between the air holes 123a of two adjacent matrix sections is equal.
  • the sub-collection section 141 is provided with at least one group of sub-collection section air holes 1414b, and each group of sub-collection section air holes 1414b communicates with the cavity 1414a and the external environment. Since the sub-bus section 141 includes the cavity tube 1412 and circumferentially The second coating layer 1414 covers the outer circumferential surface of the cavity tube 1412, wherein the second coating layer 1414 consists of a sub-bus section coating layer coating the outside of the cavity tube 1412 and a sub-bus section coating layer.
  • the cladding layers of the confluence filter section outside the cladding layer are stacked, so the air holes 1414b of the sub-collection section are provided through the cavity tube 1412, the cladding layer of the sub-collection section and the cladding layer of the confluence filter section.
  • the airflow outside the aerosol-generating matrix 100 can enter the cavity 1414a of the sub-converging section 141 through the air holes 1414b of the sub-collecting section, thereby further increasing the air inlet volume and total ventilation rate of the aerosol-generating matrix 100.
  • the distance between the air holes 1414b in the sub-collection section and the confluence filter section 140 is 1 mm-10 mm. It can be understood that the distance between the air hole 1414b of the sub-collection section and the confluence filter section 140 is not limited and can be set as needed to meet different requirements.
  • the sub-collection section 141 is provided with multiple groups of sub-collection section air holes 1414b.
  • Each group of sub-collection section air holes 1414b is arranged at axial intervals along the sub-collection section 141.
  • Each group of sub-collection section air holes 1414b It includes a plurality of sub-collection section air holes 1414b. All sub-collection section air holes 1414b in the same group are arranged at intervals along the circumferential direction of the sub-collection section 141.
  • each sub-collection section air hole 1414b in the two adjacent groups of sub-collection section air holes 1414b can be arranged in one-to-one correspondence or offset in the axial direction of the sub-collection section 141.
  • the sub-collection section 141 is provided with one, two or three groups of sub-collection section air holes 1414b, and the number of the sub-collection section air holes 1414b in each group is 2-20. It can be understood that the number of groups of sub-collection section air holes 1414b and the number of sub-collection section air holes 1414b in each group of sub-collection section air holes 1414b are not limited to this, and can be set as needed to meet different requirements.
  • Each group of sub-collection section air holes 1414b The number of air holes 1414b may be the same or different. For example, the number of air holes 1414b in each group of sub-confluence sections is 16 or 12.
  • all sub-bus section air holes 1414b in the same group are arranged at equal intervals along the circumferential direction of the sub-bus section 141, that is, the distance between each two adjacent sub-bus section air holes 1414b is equal to equal.
  • the air holes 1414b in the sub-confluence section in the same group are arranged at unequal intervals along the circumferential direction of the sub-confluence section 141, that is, at least partially adjacent two sub-confluence sections. The distance between the air holes 1414b of the sections is not equal to the distance between the air holes 1414b of the remaining two adjacent sub-confluence sections.
  • the air intake of the aerosol-generating matrix 100 can be significantly improved by opening the matrix segment air hole 123a in the matrix segment 120 at a distance of 0 mm to 1 mm relative to one end of the matrix segment 120 connected to the confluence filter segment 140. volume and total ventilation rate. Since the air holes 123a of the matrix section are close enough to the filter section 140, during the process of heating the aerosol-generating matrix 100, the nicotine and flavor substances produced by the matrix body 121 can be fully analyzed and carried out by the airflow, thereby increasing the number of users. The use experience.
  • the airflow outside the aerosol generation matrix 100 can also enter the cavity 1414a of the sub-collection section 141 through the air holes 1414b of the sub-collection section, thereby further improving aerosol generation.
  • the air inlet volume and total ventilation rate of the substrate 100 can also enter the cavity 1414a of the sub-collection section 141 through the air holes 1414b of the sub-collection section, thereby further improving aerosol generation.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pulmonology (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Filtering Materials (AREA)

Abstract

一种气溶胶生成基质(100)，包括：基质段(120)，包括基质本体(121)及沿周向包覆于基质本体(121)外的第一包覆层(123)；汇流过滤段(140)，连接于基质段(120)轴向的一端，用于过滤从基质段(120)流出的气流；其中，第一包覆层(123)开设有连通其内外表面的基质段揽气孔(123a)，基质段揽气孔(123a)相对基质段(120)连接汇流过滤段(140)的一端端面的距离大于0mm且小于1mm。

Description

气溶胶生成基质
本申请引用于2022年06月14日递交的名称为“气溶胶生成基质”的第202210666979.0号中国专利申请，其通过引用被全部并入本申请。
技术领域
本申请涉及雾化技术领域，更具体的说，涉及一种气溶胶生成基质。
背景技术
气溶胶是一种由固体或液体小质点分散并悬浮在气体介质中形成的胶体分散体系，由于气溶胶可通过呼吸系统被人体吸收，为用户提供一种新型的替代吸收方式。雾化器是指将存储的可雾化的基质通过加热或超声等方式形成气溶胶的装置。可雾化的基质包括含有尼古丁(烟碱)的烟油、医疗药物、护肤乳液等，将这些介质雾化，可为用户递送可供吸入的气溶胶，替代常规的产品形态及吸收方式。
加热不燃烧的雾化基质是一种利用特殊热源、基质进行加热(加热温度在500℃以下甚至更低)，加热时雾化基质中的各种物质通过挥发产生气溶胶来满足吸烟者需求的一种新型雾化基质。加热不燃烧的雾化基质在抽吸过程中没有明火和烟灰产生，对环境较为友好，可以在为使用者提供良好的使用体验，同时减少常规雾化基质在燃烧中高温裂解产生有害物质，从而减少对使用者的身体伤害。
但是，基于雾化器的结构缺陷，现有加热不燃烧雾化基质在加热挥发产生的部分气溶胶无法跟随气流顺畅流出，使得加热不燃烧雾化基质的有效物质例如尼古丁不能很好地析出，从而影响了用户体验感的进一步提升。
发明内容
根据本申请的各种实施例，提供一种气溶胶生成基质。
一种气溶胶生成基质，包括：
基质段，包括基质本体及沿周向包覆于所述基质本体外的基质段包覆层；
汇流过滤段，连接于基质段轴向的一端，用于过滤从所述基质段流出的气流；
其中，所述基质段包覆层开设有连通其内外表面的基质段揽气孔，所述基质段揽气孔 相对所述基质段连接所述汇流过滤段的一端端面的距离大于0mm且小于1mm。
在其中一个实施例中，所述基质段包覆层开设有多个所述基质段揽气孔，所有所述基质段揽气孔沿所述基质段的周向间隔排布。
在其中一个实施例中，所有所述基质段揽气孔沿所述基质段的周向非等距排布。
在其中一个实施例中，所述基质段揽气孔的数量为2至20个。
在其中一个实施例中，所述汇流过滤段包括：
子汇流段，连接于所述基质段轴向的一端，具有供气流流过的空腔；及
子过滤段，连接于所述子汇流段远离所述基质段的一端，用于过滤从所述空腔流出的气流。
在其中一个实施例中，所述子汇流段开设有至少一组子汇流段揽气孔，各组所述子汇流段揽气孔连通所述空腔和外界环境。
在其中一个实施例中，各组所述子汇流段揽气孔相对所述汇流过滤段的距离为1mm-10mm。
在其中一个实施例中，所述子汇流段开设有多组所述子汇流段揽气孔，各组所述子汇流段揽气孔沿所述子汇流段的轴向间隔排布，每组所述子汇流段揽气孔包括多个所述子汇流段揽气孔，同一组中的所有所述子汇流段揽气孔沿所述子汇流段的周向间隔排布。
在其中一个实施例中，同一组中的所有所述子汇流段揽气孔沿所述子汇流段的周向等距间隔排布。
在其中一个实施例中，每组所述子汇流段揽气孔的数量为2-20个。
本申请的一个或多个实施例的细节在下面的附图和描述中提出。本申请的其它特征、目的和优点将从说明书、附图以及权利要求书变得明显。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据公开的附图获得其他的附图。
图1为本申请一实施例的气溶胶生成基质的示意图；
图2为图1所示气溶胶生成基质的内部结构示意图。
附图标号说明：
100、气溶胶生成基质；120、基质段；121、基质本体；123、第一包覆层；123a、基
质段揽气孔；140、汇流过滤段；141、子汇流段；1412、空腔管；1414、第二包覆层；1414a、空腔；1414b、子汇流段揽气孔；143、子过滤段；1432、过滤介质；1434、第三包覆层。
具体实施方式
为使本申请的上述目的、特征和优点能够更加明显易懂，下面结合附图对本申请的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本申请。但是本申请能够以很多不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本申请内涵的情况下做类似改进，因此本申请不受下面公开的具体实施例的限制。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本申请的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本申请中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“垂直的”、“水平的”、“上”、“下”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。
参阅图1及图2，图1示出了本申请一实施例中的气溶胶生成基质的示意图；图2示出了本申请一实施例中的气溶胶生成基质的内部结构示意图。
本申请一实施例提供了一种气溶胶生成基质100，该气溶胶生成基质100呈横截面为圆形的柱状结构，该气溶胶生成基质100可插设于雾化装置的加热气道中，雾化装置可对气溶胶生成基质100进行加热以产生供使用者吸食的气溶胶。
气溶胶生成基质100整体呈柱状结构，气溶胶生成基质100的横截面为圆形。气溶胶生成基质100包括相互连接的基质段120和汇流过滤段140，且汇流过滤段140连接于基质段120轴向的一端，基质段120可在雾化装置的加热下产生气溶胶，气溶胶经过汇流过滤段140的过滤后流出气溶胶生成基质100以供使用者吸食。可以理解，气溶胶生成基质100的形状和尺寸不限，气溶胶生成基质100的横截面还可为椭圆形、矩形等规则或不规则形状。
基质段120包括基质本体121及基质段包覆层，基质段包覆层包覆于基质本体121外以形成一个柱状结构，基质段包覆层的外表面形成该柱状结构的外圆面，该柱状结构垂直于轴向的横截面的形状可为圆形。可以理解，前述柱状结构的横截面的形状不限于此，在其他一些实施例中，还可为椭圆形、矩形等规则或不规则形状。
进一步地，基质本体121可包括烟草填充物，烟草填充物可呈丝状、颗粒状、片状等规则或不规则形状。可以理解，形成基质本体121的材料不限，基质本体121可由单一材料形成也可由多种材料采用不用比例混合形成，基质本体121内还可添加其它物质，从而产生具有不同成分、不同味道的气溶胶以满足使用者的不同需要。基质段包覆层可由卷烟纸等包覆性材料形成，从而使基质本体121维持一定的形状。可以理解，形成基质段包覆层的材料不限于此，在其他一些实施例中，基质段包覆层也可由铝箔等其它材料形成以满足不同要求。
请继续参阅图1及图2，汇流过滤段140包括子汇流段141与子过滤段143，子汇流段141连接于基质段120的一轴向端，子过滤段143连接于子汇流段141远离基质段120的另一轴向端。如此，基质段120受热后产生的气溶胶可经过子汇流段141的汇流和子过 滤段143的过滤后流出。
在一些实施例中，子汇流段141包括空腔管1412及子汇流段包覆层。空腔管1412为两端开口的中空管状结构，子汇流段包覆层可由成型纸等包裹性材料形成，子汇流段包覆层沿周向包覆于空腔管1412的外圆面以形成一个整体。如此，子汇流段141内形成连通基质段120的空腔1414a，从基质段120流出的气溶胶进入空腔1414a与空腔1414a中的气流汇流，进而在气流的裹挟下流入汇流过滤段140。可以理解，子汇流段141的形状和构造不限，子汇流段141的横截面可为圆环形、方框形或其它规则或不规则形状，形成空腔管1412和子汇流段包覆层的材料也可根据需要设置以满足不同要求。
在一些实施例中，子过滤段143包括过滤介质1432和子过滤段包覆层。子过滤段包覆层包覆于过滤介质1432外以形成一个柱状结构，子过滤段包覆层的外表面形成该柱状结构的外圆面，该柱状结构垂直于轴向的横截面的形状可为圆形。可以理解，前述柱状结构的横截面的形状不限于此，在其他一些实施例中，还可为椭圆形、矩形等规则或不规则形状。
其中，过滤介质1432由高分子填充材料形成，高分子填充材料可对流经其的气溶胶进行过滤和降温，子过滤段包覆层可由成型纸等包裹性材料形成。可以理解，形成过滤介质1432的材料和形成子过滤段包覆层的材料不限，在其他实施例中，过滤介质1432和子过滤段包覆层可由其他材料形成以满足不同过滤要求。
进一步地，气溶胶生成基质100还包括汇流过滤段包覆层和连接层。汇流过滤段包覆层由成型纸或其他包覆性材料形成，汇流过滤段包覆层包覆于子汇流段包覆层和子过滤段包覆层的外表面，从而形成完整的汇流过滤段140。连接层由接装纸或其他包覆性材料形成，连接层包覆于汇流过滤段包覆层靠近基质段120的一端和基质段包覆层靠近子汇流段141的一端，以形成完整的气溶胶生成基质100。可以理解，形成汇流过滤段包覆层和连接层的材料不限于此，可根据需要设置以满足不同要求。
如此，基质段120包括基质本体121和周向包覆于基质本体121外的第一包覆层123，其中第一包覆层123由包覆于基质本体121外的基质段包覆层和包覆于基质段包覆层靠近子汇流段141的一端的连接层层叠形成。子汇流段141包括空腔管1412和沿周向包覆于空腔管1412的外圆面的第二包覆层1414，其中第二包覆层1414由包覆于空腔管1412外的子汇流段包覆层和包覆于子汇流段包覆层外的汇流过滤段包覆层层叠形成。子过滤段143包括过滤介质1432和沿周向包覆于过滤介质1432外的第三包覆层1434，其中第三包覆层1434由包覆于过滤介质1432的子过滤段包覆层和包覆于子过滤段包覆层外的过滤端 包覆层层叠形成。
其中，第一包覆层123定义为包覆于基质本体121外的层叠结构的总称，第二包覆层1414定义为包覆于空腔管1412的外圆面的层叠结构的总称，第三包覆层1434定义为包覆于过滤介质1432的层叠结构的总称，第一包覆层123、第二包覆层1414以及第三包覆层1434的具体构造及形成材料不限，可根据需要设置以满足不同要求。
在本申请中，包覆于基质本体121外的第一包覆层123开设有连通其内外表面的基质段揽气孔123a，基质段揽气孔123a相对基质段120连接汇流过滤段140的一端端面的距离大于0mm且小于1mm。具体地，由于第一包覆层123由包覆于基质本体121外的基质段包覆层和包覆于基质段包覆层靠近子汇流段141的一端的连接层层叠形成，因此基质段揽气孔123a沿厚度方向贯穿基质段包覆层和连接层。
如此，通过在第一包覆层123相对其连接汇流过滤段140的一端端面的距离小于1mm的位置开设基质段揽气孔123a，可有效增加进入子汇流段141的进气量和总通风率。当使用者通过抽吸在气溶胶生成基质100的远离基质段120的一端端面产生负压时，更容易将基质本体121在加热过程中产生的尼古丁及香味物质等逐步带出，从而具有更好的抽吸一致性，有效提升了用户的使用体验。而且，由于基质段揽气孔123a的开设位置非常接近于基质段120的端面，因此可最大程度地减少经过基质本体121的气流量，从而使基质本体121最大程度地处于负压少氧的状态，能更好地使气溶胶形成基质中的有效物质释放，并且保证了抽吸的动态过程中，基质本体121的温度较为稳定，使气溶胶的释放量保持一致。
在一些实施例中，基质段120开设有多个基质段揽气孔123a，所有基质段揽气孔123a沿汇流过滤段140的周向间隔排布。如此，气溶胶生成基质100外的气流可分别通过多个基质段揽气孔123a分流进入基质段120中。作为一较佳的实施方式，基质段揽气孔123a的数量为2至20个。可以理解，基质段揽气孔123a的数量不限，可根据需要设置以满足不同抽吸要求，例如，基质段揽气孔123a的数量为16个或者12个。
进一步地在一些实施例中，根据不同区域的气流流量的不同，基质段揽气孔123a沿基质段120的周向非等距排布，即，至少部分相邻两个基质段揽气孔123a之间的距离与其余相邻两个基质段揽气孔123a之间的距离不同。可以理解，在其他一些实施例中，所有基质段揽气孔123a可沿基质段120的周向等距排布，即，相邻两个基质段揽气孔123a之间的距离均相等。
在一些实施例中，子汇流段141开设有至少一组子汇流段揽气孔1414b，各组子汇流段揽气孔1414b连通空腔1414a和外界环境。由于子汇流段141包括空腔管1412和沿周向 包覆于空腔管1412的外圆面的第二包覆层1414，其中第二包覆层1414由包覆于空腔管1412外的子汇流段包覆层和包覆于子汇流段包覆层外的汇流过滤段包覆层层叠形成，因此子汇流段揽气孔1414b贯穿空腔管1412、子汇流段包覆层以及汇流过滤段包覆层而设。如此，气溶胶生成基质100外的气流可通过子汇流段揽气孔1414b进入子汇流段141的空腔1414a中，从而进一步提高气溶胶生成基质100的进风量和总通风率。
在一些实施例中，子汇流段揽气孔1414b相对汇流过滤段140的距离为1mm-10mm。可以理解，子汇流段揽气孔1414b相对汇流过滤段140的距离不限，可根据需要设置以满足不同要求。
具体在一些实施例中，子汇流段141开设有多组子汇流段揽气孔1414b，各组子汇流段揽气孔1414b沿子汇流段141的轴向间隔排布，每组子汇流段揽气孔1414b包括多个子汇流段揽气孔1414b，同一组中的所有子汇流段揽气孔1414b沿子汇流段141的周向间隔排布，相邻两组子汇流段揽气孔1414b之间的距离可以相同也可以不同，相邻两组子汇流段揽气孔1414b中的各个子汇流段揽气孔1414b可在子汇流段141的轴向上一一对应设置或错位设置。
优选的，子汇流段141开设有一组、二组或三组子汇流段揽气孔1414b，每组子汇流段揽气孔1414b的数量为2-20个。可以理解，子汇流段揽气孔1414b的组数及每组子汇流段揽气孔1414b中的子汇流段揽气孔1414b的数量不限于此，可根据需要设置以满足不同要求，每组子汇流段揽气孔1414b的数量可以相同也可以不同。例如，每组子汇流段揽气孔1414b的数量为16个或者12个。
进一步地在一些实施例中，同一组中的所有子汇流段揽气孔1414b沿子汇流段141的周向等距间隔排布，即，每相邻两个子汇流段揽气孔1414b之间的距离均相等。在另一些实施例中，根据不同区域的气流流量的不同，同一组中的子汇流段揽气孔1414b沿子汇流段141的周向不等距间隔排布，即，至少部分相邻两个子汇流段揽气孔1414b之间的距离与其余相邻两个子汇流段揽气孔1414b之间的距离不等。
上述气溶胶生成基质100，通过在基质段120开设相对于基质段120连接汇流过滤段140的一端端面的距离为0mm-1mm的基质段揽气孔123a，可显著提高气溶胶生成基质100的进气量和总通风率。由于基质段揽气孔123a相对过滤段140的距离足够近，因此在加热气溶胶生成基质100的过程中，基质本体121产生的尼古丁及香味物质可充分析出并被气流充分带出，从而增加了用户的使用体验感。而且，气溶胶生成基质100外的气流还可通过子汇流段揽气孔1414b进入子汇流段141的空腔1414a中，从而进一步提高气溶胶生成 基质100的进风量和总通风率。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对申请专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种气溶胶生成基质，其特征在于，包括：
    基质段，包括基质本体及沿周向包覆于所述基质本体外的第一包覆层；
    汇流过滤段，连接于基质段轴向的一端，用于过滤从所述基质段流出的气流；
    其中，所述第一包覆层开设有连通其内外表面的基质段揽气孔，所述基质段揽气孔相对所述基质段连接所述汇流过滤段的一端端面的距离大于0mm且小于1mm。
  2. 根据权利要求1所述的气溶胶生成基质，其特征在于，所述第一包覆层开设有多个所述基质段揽气孔，所有所述基质段揽气孔沿所述基质段的周向间隔排布。
  3. 根据权利要求2所述的气溶胶生成基质，其特征在于，所有所述基质段揽气孔沿所述基质段的周向非等距排布。
  4. 根据权利要求2所述的气溶胶生成基质，其特征在于，所述基质段揽气孔的数量为2至20个。
  5. 根据权利要求1至4任一项所述的气溶胶生成基质，其特征在于，所述汇流过滤段包括：
    子汇流段，连接于所述基质段轴向的一端，具有供气流流过的空腔；及
    子过滤段，连接于所述子汇流段远离所述基质段的一端，用于过滤从所述空腔流出的气流。
  6. 根据权利要求5所述的气溶胶生成基质，其特征在于，所述子汇流段开设有至少一组子汇流段揽气孔，各组所述子汇流段揽气孔连通所述空腔和外界环境。
  7. 根据权利要求6所述的气溶胶生成基质，其特征在于，各组所述子汇流段揽气孔相对所述汇流过滤段的距离为1mm-10mm。
  8. 根据权利要求6所述的气溶胶生成基质，其特征在于，所述子汇流段开设有多组所述子汇流段揽气孔，各组所述子汇流段揽气孔沿所述子汇流段的轴向间隔排布，每组所述子汇流段揽气孔包括多个所述子汇流段揽气孔，同一组中的所有所述子汇流段揽气孔沿所述子汇流段的周向间隔排布。
  9. 根据权利要求8所述的气溶胶生成基质，其特征在于，同一组中的所有所述子汇流段揽气孔沿所述子汇流段的周向等距间隔排布。
  10. 根据权利要求8所述的气溶胶生成基质，其特征在于，每组所述子汇流段揽气孔的数量为2-20个。
PCT/CN2023/093489 2022-06-14 2023-05-11 气溶胶生成基质 WO2023241273A1 (zh)

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