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WO2023193593A1 - Noyau d'atomisation et dispositif d'atomisation électronique - Google Patents

Noyau d'atomisation et dispositif d'atomisation électronique Download PDF

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Publication number
WO2023193593A1
WO2023193593A1 PCT/CN2023/082480 CN2023082480W WO2023193593A1 WO 2023193593 A1 WO2023193593 A1 WO 2023193593A1 CN 2023082480 W CN2023082480 W CN 2023082480W WO 2023193593 A1 WO2023193593 A1 WO 2023193593A1
Authority
WO
WIPO (PCT)
Prior art keywords
matrix
core according
porous matrix
atomization core
atomization
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2023/082480
Other languages
English (en)
Chinese (zh)
Inventor
陈霏
李波
张耀华
龙继才
周宏明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hainan Moore Brothers Technology Co Ltd
Original Assignee
Hainan Moore Brothers Technology Co Ltd
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 Hainan Moore Brothers Technology Co Ltd filed Critical Hainan Moore Brothers Technology Co Ltd
Publication of WO2023193593A1 publication Critical patent/WO2023193593A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • A24F40/46—Shape or structure of electric heating means

Definitions

  • the present application relates to the field of electronic atomization technology, and in particular to an atomization core and an electronic atomization device including the atomization core.
  • the atomizing core usually includes a porous ceramic matrix and a heating film.
  • the heating film is attached to the porous ceramic matrix.
  • the porous ceramic matrix is in direct contact with the liquid atomizing medium in the liquid storage chamber.
  • the porous ceramic matrix can transmit and transmit the atomizing medium. Caching effect.
  • the heating film When the heating film is energized, the heating film converts electrical energy into heat, and the heat is transferred to the porous ceramic matrix, causing the atomization medium cached in the porous ceramic matrix to atomize under the action of heat to form an aerosol.
  • the traditional atomizing core cannot uniformly heat the atomizing medium, which affects the reduction degree of the atomizing medium and ultimately affects the inhalation taste of the aerosol.
  • One technical problem solved by this application is how to achieve uniform heating of the atomized medium.
  • An atomizer core includes:
  • a porous matrix having first and second surfaces spaced apart along the thickness direction and facing oppositely;
  • a heating element attached to the first surface
  • a heat-insulating base body is provided on the second surface and is provided with a liquid conduction hole communicating with the second surface.
  • An electronic atomization device includes a power supply and the above-mentioned atomization core, and the power supply is electrically connected to the heating element.
  • Figure 1 is a schematic plan view of the atomizing core provided in the first embodiment
  • Figure 2 is a schematic plan view of the atomizing core provided in the second embodiment.
  • an electronic atomization device provided by an embodiment of the present application includes an atomization core 10 and a power supply.
  • the power supply supplies power to the atomization core 10 .
  • the atomization core 10 includes a porous matrix 100, an insulating matrix 200 and a heating element 300.
  • the heating element 300 and the insulating matrix 200 are both attached to the porous matrix 100.
  • the power supply is electrically connected to the heating element 300. When the power supply supplies power to the heating element 300 When, the heating element 300 converts electrical energy into thermal energy.
  • both the porous matrix 100 and the thermal insulation matrix 200 have a block structure, and a large number of micropores are formed inside the porous matrix 100.
  • the entire porous matrix 100 will have a certain porosity.
  • Porosity can be defined as the total volume of micropores as a percentage of the total volume of the porous matrix.
  • the porosity may range from 70% to 95%. For example, its specific value may be 70%, 80%, 90% or 95%. Since the porous matrix 100 has a certain porosity, the porous matrix 100 The body 100 can absorb and transmit liquid through capillary force, so the porous matrix 100 can produce a certain buffering and transmission effect on liquid.
  • the porous matrix 100 is made of porous ceramic material or glass material.
  • the porosity of the porous matrix 100 meets the above requirements.
  • the porous matrix 100 made of ceramic and glass materials has relatively stable chemical properties and can prevent the porous matrix from 100 undergoes chemical reactions at high temperatures to form harmful gases, which prevents harmful gases from being absorbed by the user and improves the safety of use of the atomizing core 10 .
  • the thermal conductivity of the porous matrix 100 is 0.3W/mK to 5W/mK.
  • the specific value of the thermal conductivity of the porous matrix 100 can be 0.3W/mK, 0.4W/mK or 0.5W/mK, etc., so the porous matrix 100 has Good thermal conductivity.
  • the thickness H of the porous matrix 100 ranges from 0.2 mm to 1 mm.
  • the thickness H of the porous matrix 100 ranges from 0.2 mm to 1 mm.
  • the specific value may be 0.2 mm, 0.5 mm, 0.8 mm or 1 mm.
  • the amount of atomized medium buffered when the porous matrix 100 reaches a saturated state is larger.
  • the amount of atomized medium buffered when the porous matrix 100 reaches a saturated state is also larger.
  • the amount of liquid atomization medium buffered when the porous matrix 100 reaches a saturated state is 5 mg to 10 mg.
  • the amount of atomized medium buffered by the porous matrix 100 in a saturated state is: 5mg, 8mg or 10mg, etc.
  • the amount of atomized medium that the user needs to consume in one puffing process is also about 5mg to 10mg, so the amount of atomized medium cached by the porous matrix 100 in the saturated state is close to the user The amount of atomized medium consumed during one puffing process.
  • the porous matrix 100 has a first surface 110 and a second surface 120 . Both the first surface 110 and the second surface 120 may be substantially planar. The first surface 110 and the second surface 120 are spaced apart along the thickness direction of the porous matrix 100 and toward On the contrary, in other words, the first surface 110 and the second surface 120 are two surfaces in the thickness direction of the porous matrix 100 .
  • the heating element 300 can be made of metal material. The heating element 300 has a reasonable resistance. When the power supply supplies power to the heating element 300, the heating element 300 generates enough heat per unit time, and the atomized medium will absorb the heat and rise. to the atomization temperature to form aerosol by atomization.
  • the heating element 300 may have a line-like structure or a film-like structure. The heating element 300 can be directly attached and stacked on the first surface 110 , or it can cooperate with the groove formed in the first surface 110 , so that the heating element 300 is embedded in the porous matrix 100 .
  • the heat insulation matrix 200 is made of dense material.
  • the porosity of the heat insulation matrix 200 is extremely low and is much smaller than the porosity of the porous matrix 100.
  • the heat insulation matrix 200 will not be able to produce capillary action, so the heat insulation matrix 200 cannot be as good as the porous matrix 100.
  • the internal micropores have the function of transmitting and buffering the atomized medium, and the porosity of the thermal insulation matrix 200 can be less than 10%.
  • the thermal insulation matrix 200 has good thermal insulation performance.
  • the thermal conductivity of the thermal insulation matrix 200 is much smaller than that of the porous matrix 100.
  • the thermal conductivity of the thermal insulation matrix 200 is 0.01W/mK to 2W/mK.
  • the thermal insulation matrix 200 The specific value of thermal conductivity can be 0.01W/mK, 0.05W/mK or 2W/mK, etc.
  • the thickness of the thermal insulation matrix 200 is greater than the thickness of the porous matrix 100 .
  • the thickness of the thermal insulation matrix 200 may be two to five times the thickness of the porous matrix 100 . Therefore, the thickness of the thermal insulation matrix 200 is larger than the thickness of the porous matrix 100 .
  • the thermal insulation matrix 200 may also have a relatively large porosity, so that the thermal insulation matrix 200 can also generate capillary force through the internal micropores, thereby also having the function of transmitting and buffering the atomized medium.
  • the heat insulation base 200 has a third surface 230 and a fourth surface 240 . Both the third surface 230 and the fourth surface 240 may be substantially planar. The third surface 230 and the fourth surface 240 are spaced apart along the thickness direction of the heat insulation base 200 . And the directions are opposite. In other words, the third surface 230 and the fourth surface 240 are two surfaces in the thickness direction of the heat insulation substrate 200 , and the third surface 230 is attached to the second surface 120 of the porous substrate 100 .
  • the heat-insulating base 200 is provided with a liquid-conducting hole 210. The liquid-conducting hole 210 simultaneously penetrates the third surface 230 and the fourth surface 240. Therefore, the liquid-conducting hole 210 is a through hole.
  • the liquid-conducting hole 210 can be along the edge of the heat-insulating base 200. Extending in the thickness direction, at this time, the central axis of the liquid conducting hole 210 may be perpendicular to the third surface 230 and the fourth surface 240 .
  • the liquid conduction hole 210 may also extend in a direction that is at an angle with the thickness direction of the heat insulation base 200, so that the central axis of the liquid conduction hole 210 intersects the third surface 230 and the fourth surface 240 at an acute angle.
  • the diameter of the liquid conduction hole 210 can remain constant, or can maintain a shape of gradually decreasing, gradually increasing, or first decreasing and then increasing.
  • the value range of the diameter of the liquid conduction hole 210 is less than 1 mm.
  • the value of the diameter of the liquid conduction hole 210 may be 0.5 mm, 0.8 mm or 1 mm.
  • the liquid conduction holes 210 can be disposed parallel to the third surface 230. Specifically, the liquid conduction holes 210 are disposed at the interface of the heat insulation matrix 200 and the porous matrix 100. On the other hand, the side of the heat insulation base 200 is connected to the outside, and the atomized medium enters the liquid conduction hole 210 from the side and then is transmitted to the second surface 120 .
  • the atomized medium When the porosity of the thermal insulation matrix 200 is low, the atomized medium directly transmits the atomized medium to the second surface 120 through the liquid conduction hole 210 , and the atomized medium arriving at the second surface 120 acts on the capillary force of the porous matrix 100 It is transported downward toward the first surface 110 to ensure that the atomized matrix is evenly distributed inside the porous matrix 100 .
  • the power supply When the user inhales, the power supply will supply power to the heating element 300, which converts electrical energy into heat.
  • the atomization medium cached in the porous matrix 100 will absorb the heat and reach the atomization temperature, and finally atomize to form an aerosol.
  • both the porous matrix 100 and the thermal insulation matrix 200 are tubular structures with lumens.
  • the first surface 110, the second surface 120, the third surface 230 and the fourth surface All four surfaces 240 may be cylindrical surfaces.
  • the porous matrix 100 is nested outside the heat insulation matrix 200 so that the second surface 120 is nested on the third surface 230 .
  • the atomized medium in the liquid storage chamber first enters the lumen of the heat insulation matrix 200 and then is transmitted to the second surface 120 through the liquid conduction hole 210 , which can also make the atomized matrix evenly distributed inside the porous matrix 100 .
  • the second surface 120 of the matrix will be in direct contact with the atomized medium in the liquid storage chamber, and the second surface 120 will absorb the liquid and move toward the first
  • the surface 110 transmits such that the atomized medium is cached inside the porous matrix 100 .
  • it can be divided into three blocks along the thickness direction of the porous matrix 100. The first block is disposed close to the first surface 110, the third block is disposed close to the second surface 120, and the second block is disposed close to the second surface 120. The block is located between the first block and the third block.
  • the first block and the third block are located at the ends of the porous base 100 , and the second block is located in the middle of the porous base 100 . Since the heating element 300 is directly disposed on the first surface 110, the heat generated by the heating element 300 is transmitted from the first surface 110 to the second surface 120. Considering the heat loss during the transmission process, within unit time, the first block absorbs The high-temperature block absorbs the most heat and is the highest temperature. The second block absorbs heat, followed by the medium-temperature block with a relatively lower temperature. The third block absorbs the least heat and is the low-temperature block with the lowest temperature.
  • the atomization medium in each part of the porous matrix 100 cannot be uniformly heated and atomized.
  • the atomization medium can reach the atomization temperature and atomize smoothly to form aerosol.
  • some low-boiling-point components in the atomization medium in the medium-temperature zone can be atomized, while high-boiling-point components cannot be atomized. This will make the porous matrix
  • the composition of the aerosol produced by each part of the atomization medium within 100 degrees is different, which affects the reduction degree of the atomization medium and ultimately affects the inhalation taste of the aerosol.
  • the third block also has a certain temperature and directly contacts the atomization medium in the liquid storage chamber.
  • the atomization medium in the liquid storage chamber will also absorb the heat in the third block, causing the low boiling point in the atomization medium.
  • the components volatilize, causing the composition of the atomization medium in the liquid storage chamber to change, ultimately affecting the composition of the aerosol and the user's inhalation taste.
  • the atomizing core 10 in the above embodiment will have at least the following three beneficial effects:
  • the thermal insulation matrix 200 is attached to the third surface 230, when the heating element 300 generates heat, the heat is only transmitted within the porous matrix 100 and cannot be transmitted within the thermal insulation matrix 200, and the thickness of the porous matrix 100 is relatively small. is small, so the heat transmission path in the porous matrix 100 is short, and the heat loss during the transmission process is small, so that the heat is evenly distributed inside the porous matrix 100 along the thickness direction of the porous matrix 100, eliminating the temperature gradient in the porous matrix 100 and A uniform temperature distribution is achieved, thereby achieving uniform heating of the atomization medium cached everywhere in the porous matrix 100, thereby improving the reduction degree of the atomization medium and the suction taste of the aerosol.
  • the atomization medium in the liquid storage chamber cannot absorb the heat in the heat insulation matrix 200 and volatilize. This ensures the consistency of the atomization medium composition and improves the efficiency of the atomization medium.
  • the diameter of the liquid guide hole 210 is less than 1 mm. On the one hand, it can ensure that the atomized medium in the liquid storage chamber is smoothly supplied to the porous substrate 100 through the liquid guide hole 210, thereby preventing the porous substrate 100 and the heating element 300 from insufficient supply of atomized medium. And produce dry burning.
  • the amount of atomized medium cached by the porous matrix 100 in a saturated state is 5 mg to 10 mg, it is just close to the amount of atomized medium that the user needs to consume in one puffing process. Therefore, when the user takes the last puff, the electronic atomization device will pause for a period of time, and all the atomization medium on the porous substrate 100 will be consumed, which can effectively prevent the residual heat on the porous substrate 100 from damaging the porous substrate.
  • the remaining atomization medium within 100 days is heated to avoid changing the composition due to the evaporation of low-boiling point substances in the remaining atomization medium. It can also improve the reduction degree of the atomization medium and the inhalation taste of the aerosol.

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  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Electrostatic Spraying Apparatus (AREA)

Abstract

Noyau d'atomisation (10), comprenant : une matrice poreuse (100), ayant une première surface (110) et une seconde surface (120) disposées à une certaine distance l'une de l'autre dans le sens de l'épaisseur et opposées l'une à l'autre ; un corps chauffant (300), fixé à la première surface (110) ; et une matrice d'isolation (200), disposée sur la seconde surface (120) et pourvue d'un trou de guidage de liquide (210) en communication avec la seconde surface (120).
PCT/CN2023/082480 2022-04-06 2023-03-20 Noyau d'atomisation et dispositif d'atomisation électronique Ceased WO2023193593A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202220778673.X 2022-04-06
CN202220778673.XU CN217509914U (zh) 2022-04-06 2022-04-06 雾化芯及电子雾化装置

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Publication Number Publication Date
WO2023193593A1 true WO2023193593A1 (fr) 2023-10-12

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CN (1) CN217509914U (fr)
WO (1) WO2023193593A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN217509914U (zh) * 2022-04-06 2022-09-30 海南摩尔兄弟科技有限公司 雾化芯及电子雾化装置

Citations (8)

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Publication number Priority date Publication date Assignee Title
CN110584208A (zh) * 2019-09-06 2019-12-20 深圳麦克韦尔科技有限公司 雾化芯、雾化器和电子雾化装置
CN211407651U (zh) * 2019-07-23 2020-09-04 深圳麦克韦尔科技有限公司 雾化组件及电子雾化装置
CN112931952A (zh) * 2021-03-04 2021-06-11 深圳市基克纳科技有限公司 一种雾化芯及电子雾化装置
CN113331484A (zh) * 2021-06-04 2021-09-03 深圳麦克韦尔科技有限公司 电子雾化装置及其雾化器和雾化组件
CN114041627A (zh) * 2021-09-24 2022-02-15 深圳市华诚达精密工业有限公司 加热雾化芯及其电子雾化装置
CN216019130U (zh) * 2021-07-23 2022-03-15 深圳麦克韦尔科技有限公司 一种雾化芯、雾化组件、雾化器及电子雾化装置
CN217509914U (zh) * 2022-04-06 2022-09-30 海南摩尔兄弟科技有限公司 雾化芯及电子雾化装置
US20230057645A1 (en) * 2020-04-26 2023-02-23 Shenzhen Smoore Technology Limited Heating assembly, atomizer and electronic atomization device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211407651U (zh) * 2019-07-23 2020-09-04 深圳麦克韦尔科技有限公司 雾化组件及电子雾化装置
CN110584208A (zh) * 2019-09-06 2019-12-20 深圳麦克韦尔科技有限公司 雾化芯、雾化器和电子雾化装置
US20230057645A1 (en) * 2020-04-26 2023-02-23 Shenzhen Smoore Technology Limited Heating assembly, atomizer and electronic atomization device
CN112931952A (zh) * 2021-03-04 2021-06-11 深圳市基克纳科技有限公司 一种雾化芯及电子雾化装置
CN113331484A (zh) * 2021-06-04 2021-09-03 深圳麦克韦尔科技有限公司 电子雾化装置及其雾化器和雾化组件
CN216019130U (zh) * 2021-07-23 2022-03-15 深圳麦克韦尔科技有限公司 一种雾化芯、雾化组件、雾化器及电子雾化装置
CN114041627A (zh) * 2021-09-24 2022-02-15 深圳市华诚达精密工业有限公司 加热雾化芯及其电子雾化装置
CN217509914U (zh) * 2022-04-06 2022-09-30 海南摩尔兄弟科技有限公司 雾化芯及电子雾化装置

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