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WO2024231286A1 - Dispositif de production d'aérosol et procédé de fabrication d'un diffuseur de lumière pour un dispositif de production d'aérosol - Google Patents

Dispositif de production d'aérosol et procédé de fabrication d'un diffuseur de lumière pour un dispositif de production d'aérosol Download PDF

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Publication number
WO2024231286A1
WO2024231286A1 PCT/EP2024/062287 EP2024062287W WO2024231286A1 WO 2024231286 A1 WO2024231286 A1 WO 2024231286A1 EP 2024062287 W EP2024062287 W EP 2024062287W WO 2024231286 A1 WO2024231286 A1 WO 2024231286A1
Authority
WO
WIPO (PCT)
Prior art keywords
generating device
aerosol generating
dome
light
array
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.)
Pending
Application number
PCT/EP2024/062287
Other languages
English (en)
Inventor
Juraj LEHOCKY
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.)
JT International SA
Original Assignee
JT International SA
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 JT International SA filed Critical JT International SA
Priority to CN202480026076.3A priority Critical patent/CN120957627A/zh
Publication of WO2024231286A1 publication Critical patent/WO2024231286A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
    • 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
    • A24F40/60—Devices with integrated user interfaces

Definitions

  • An aerosol generating device is described.
  • the aerosol generating device is configured to receive a consumable article to be heated, for example resistively or inductively, to generate an inhalable aerosol.
  • the consumable article may comprise an aerosol precursor material being any one of a liquid, a gel, a solid, and comprising tobacco or not.
  • a method for making a light diffuser of the aerosol generating device is also described.
  • Aerosol generating devices are an alternative to conventional cigarettes. Instead of generating inhalable smoke by combustion of an aerosol generation material such as tobacco, they generate an aerosol which can be inhaled by a user, heating, without combusting, an aerosol precursor material comprising an aerosol former component.
  • An aerosol generating device is a handheld inhaler system having a housing to accommodate working components.
  • the housing of the aerosol generating device may be elongated in a shape for a user to hold. It typically comprises a mouthpiece section, a housing for the consumable article, a vaporizer, a heating unit and a power supply unit, such as a battery. Vaporization is achieved when the heating unit heats the consumable article to form an aerosol that is inhalable through the mouthpiece section.
  • the power supply unit may comprise a battery and electronic control circuitry, for example arranged at least partially on a printed circuit board (PCB), as well as sensors, wireless communication chips or modules and control switches where appropriate.
  • a receptacle for example a USB-C receptacle, is provided in the aerosol generating device.
  • the receptacle is configured to mechanically and electrically connect to a plug so that it receives power to recharge the battery from an external power source by means of the plug.
  • a wireless charging coil may be provided in the aerosol generating device.
  • the electrical power consumption, the device health or any other useful information may be provided through an illuminated status indicator.
  • an aerosol generating device comprising a body having a non-opaque window, an array of light sources located inside the body, a light diffuser disposed between the array of light sources and the non-opaque window and having o a first face facing the array of light sources and comprising a pattern of a plurality of dome-shaped recesses and o a second face opposed to the first face and directly or indirectly visible through the non-opaque window.
  • the presence of the light diffuser with such a special pattern allows to achieve a homogenous bar visible by a user. This means that the array of light sources looks like an uninterrupted bar, the light sources being not individually visible.
  • the pattern of dome-shaped recesses has wide diffusion properties. The pattern of dome-shaped recesses may disrupt the light rays from the light sources of the array.
  • This user interface can be implemented in a wide range of aerosol generating devices. It is possible to display multiple pieces of information through the array of light sources.
  • the first face comprises reliefs that are concave towards the array of light sources, said reliefs having a shape of domes, i.e. curved surfaces, for example spherical surfaces.
  • the light diffuser may be configured so that at least one dome-shaped recess, preferably at least two dome-shaped recesses, of the plurality of dome-shaped recesses is(are) on the way of a straight path of light of one light source of the array of light sources.
  • the light diffuser may be placed directly behind the array of light sources with the first face of the light diffuser facing the light sources. This means that the light sources are touching or almost touching part of the light diffuser. This will help to break the light rays and unite them on the opposite, second, face (or side) of the light diffuser.
  • At least part of the dome-shaped recesses may have a spherical shape. At least part of the dome-shaped recesses are preferably identical to one another. The dome-shaped recesses may all be identical to one another. The dome-shaped recesses may have a symmetric shape. In case the dome-shaped recesses have a symmetric and spherical shape, there may be a point that is in the center of the dome-shaped recess and that is the most distant point of the dome-shaped recess from the light source.
  • At least two dome-shaped recesses of the plurality of dome-shaped recesses may be side by side in contact with one another. They may have an edge in common.
  • Said pattern may comprise a plurality of parallel ranges of dome-shaped recesses, the ranges being oriented perpendicularly to a longitudinal axis of the non-opaque window.
  • the light diffuser comprises thirty-four parallel ranges, each range extending perpendicularly to the longitudinal axis of the non-opaque window, each range having six domeshaped recesses.
  • the number of ranges and dome-shaped recesses may be different without departing from the scope of the disclosure.
  • At least one dome-shaped recess of the pattern may be part of a virtual sphere having a diameter equal to about 1 mm.
  • the width of a dome-shaped recess in particular within a range, may be equal to 0,55 mm.
  • the length of a dome-shaped recess, in particular in a range may be equal to 0,7 mm.
  • the front peripheral shape of a dome-shaped recess, especially within a range, having other dome-shaped recesses all around its periphery may be rectangular. This peripheral shape of one dome-shaped recess may be delimited by the peripheral shapes of adjacent dome-shaped recesses, except at the end of a range, for example.
  • dome-shaped recesses may be placed over each single light source. This breaks the rays multiple times and diffuses back on the second face which is the rear face.
  • the second face of the light diffuser is for example substantially flat, notably with no relief thereon.
  • the flat surface of the second face unites the rays that were disrupted by the pattern of dome-shaped recesses, thereby creating the perception of a homogeneous light bar.
  • the second face of the light diffuser comprises at least one depression, notably a plurality of depressions.
  • a plurality of depressions may be preferably made of a plurality of parallel grooves extending perpendicularly to a longitudinal axis of the non-opaque window.
  • the depressions, for example the grooves, are preferably concave towards the non-opaque window.
  • the light diffuser may be made of a non-transparent and non-opaque, preferably white, polymer material chosen in the group consisting of a tough PLA (polylactic acid), ABS (Acrylonitrile Butadiene Styrene), PA (Polyamide), PMMA (Acryl or Polymethylmethacrylate), PC (Polycarbonate), POM (polyoxymethelen), and ASA (Acrylonitrile styrene acrylate).
  • a tough PLA polylactic acid
  • ABS Acrylonitrile Butadiene Styrene
  • PA Polyamide
  • PMMA Acryl or Polymethylmethacrylate
  • PC Polycarbonate
  • POM polyoxymethelen
  • ASA Acrylonitrile styrene acrylate
  • the light diffuser is preferably made by 3D printing, preferably on a high-resolution 3D printer. In a variant, it is injection moulded.
  • At least one of the first and second faces of the light diffuser may be sanded.
  • the light diffuser may be inserted into an inner tray of the aerosol generating device between the non-opaque window and the array of light sources.
  • the light sources of the array are preferably fixed to a printed circuit board of the aerosol generating device.
  • the light diffuser may be part of an inner tray of the aerosol generating device. In such case, the postprocessing may be reduced and the positioning issue may be already solved.
  • the array of light sources may be a linear array. In such case, the light sources of the array may be spaced apart from each other.
  • the array of light sources may comprise eight light sources, preferably eight aligned light sources. The distance between two adjacent light sources may be comprised between 1 mm and 6 mm.
  • the light sources of the array are preferably light emitted diodes (LED).
  • the emitting angle of at least one light source of the array of light sources may be equal to 120°.
  • the aerosol generating device may comprise a light sources controller, for example a LED controller.
  • a light sources controller for example a LED controller.
  • Such a controller may be able to operate a maximum number of light sources, this maximum number being for example equal to eight.
  • the number of light sources of the array may be lower than eight without departing from the scope of the disclosure. In such case, the power consumption of the aerosol generating device may be reduced.
  • Such a LED controller may be provided as an integrated circuit.
  • the device may comprise a glass outwardly covering the light diffuser and extending in the non-opaque window.
  • the second face of the light diffuser may be indirectly visible through the non-opaque window.
  • the non-opaque window does not comprise any glass. In the latter case, the second face of the light diffuser may be directly visible through the non-opaque window.
  • a method for making a light diffuser for an aerosol generating device comprising 3D-printing the light diffuser, preferably with a high-resolution 3D printer, from a non-transparent, preferably white, polymer material, for example chosen in the group consisting of a tough PLA, ABS, acrylic glass, the 3D- printing comprising forming a plurality of dome-shaped recesses in the first face of the light diffuser.
  • This method provides a light diffuser that can be included in an aerosol generating device as described above, either by being inserted into an inner tray of the aerosol generating device between the non-opaque window and the array of light sources or by being part of an inner tray of the aerosol generating device.
  • the light diffuser made by this method produces the desired effect, i.e. helps producing a homogeneous light effect visible by a user through the non-opaque window, the light effect coming from the light sources array passing through the light diffuser.
  • the method may comprise creating a 3D model of the light diffuser before making it by 3D printing.
  • FIG. 1 is a schematic view in perspective of an aerosol generating device according to an example, in a closed position.
  • FIG. 2 is a schematic side view in longitudinal section of a portion of the aerosol generating device of Figure 1 .
  • FIG. 3 is a schematic view similar to the one of Figure 2 after switching on the light sources.
  • FIG. 4 is a view similar to the one of Figure 3 of an example without the light diffuser, not comprised in the present disclosure.
  • FIG. 5 is an isolated schematic front view of a light diffuser according to an example.
  • FIG. 6 is a schematic side view in longitudinal section of the light diffuser of Figure 5.
  • FIG. 7 is a schematic side view of the light diffuser of Figure 5 seen from the bottom thereof.
  • FIG. 8 is an isolated schematic side view of a 3D model of the light diffuser created before a 3D printing process according to an example.
  • FIG. 9 is an isolated schematic view in perspective of a light diffuser according to another example.
  • FIG. 10 is a schematic side view in longitudinal section of the light diffuser of Figure 9.
  • FIG. 11 is a schematic view in perspective of an example of an aerosol generating device, in an opened position, the view showing a printed circuit board housed in the aerosol generating device.
  • FIG. 12 is an isolated schematic view in perspective of part of an inner tray of the aerosol generating device of Figure 11 .
  • FIG. 13 is an isolated schematic view in perspective of part of an inner tray of the aerosol generating device according to an example.
  • FIG. 14 is a schematic view in perspective of an example of an aerosol generating device comprising the inner tray of Figure 13, the aerosol generating device being shown in an opened position.
  • An aerosol generating device 1 comprising a body 2 having a non-opaque window 3, an array 4 of light sources 10 located inside the body 2, a light diffuser 5 disposed between the array 4 of light sources 10 and the non-opaque window 3 and having a first face 6 facing the array 4 of light sources 10 and comprising a pattern 7 of a plurality of dome-shaped recesses 8 and a second face 9 opposed to the first face 6 and directly or indirectly, in this example indirectly, visible through the non-opaque window 3.
  • the aerosol generating device 1 comprises a glass 12 outwardly covering the light diffuser 5 and extending in the non-opaque window 3. This explains that the second face 9 is indirectly visible through the non-opaque window 3 in this example. Such a glass may be absent without departing from the scope of the disclosure.
  • the second face 9 may be directly visible from the non-opaque window.
  • the body 2 is also housing a printed circuit board 14 (PCB) of the aerosol generating device 1 , in a manner known per se.
  • PCB printed circuit board 14
  • the array 4 of light sources 10 is placed on a face 17 of the PCB 14 whereas the other parts of the PCB 14 are placed on the other face 18 of the PCB 14.
  • the array 4 of light sources 10 is arranged between face 17 of the PCB 14 and the light diffuser 5, in contact with them in this example.
  • the array 4 of light sources 11 is mounted on the face 17 of the PCB 14 so that the array 4 of light sources 11 faces the light diffuser 5.
  • the light diffuser 5 is configured so that at least one dome-shaped recess 8, in this example at least two dome-shaped recesses 8, of the plurality of dome-shaped recesses 8 is(are) on the way of a straight path L of light of one, in this example each, light source 10 of the array 4 of light sources 10.
  • the light diffuser 5 allows the light path L to lead to a continuous and homogeneous bar B visible by a user, as seen in Figure 1 and 3.
  • the bar B forms an illuminated status indicator.
  • the light path L’ leads to a discontinuous and inhomogeneous bar, with distinct light spots S’ visible by the user.
  • Figure 4 shows a device that is not included in the present disclosure, this device being shown only for comparison with the device shown in Figure 3.
  • the array 4 of light sources 10 is a linear array.
  • the light sources 10 of the array 4 are spaced apart from each other. There is a distance I between two light sources 10 that may be between 1 mm and 6 mm.
  • the light sources 10 of the array 4 are light emitted diodes (LED).
  • the emitting angle a of at least one light source 10, in this example of all light sources 10, is equal to 120°.
  • the array 4 of light sources 10 one or several pieces of information may be provided by the aerosol generating device 1 to a user, such as an electrical power consumption, a device health or any other useful information.
  • a user such as an electrical power consumption, a device health or any other useful information.
  • the number of light sources 10 that are switched on in the illuminated status indicator depends on the information provided and may in particular be different from the total number of light sources.
  • each dome-shaped recess 8 has a spherical shape. Furthermore, at least part of the dome-shaped recesses 8, in this example all of them are identical to one another. [0063] As can be also seen in these figures, at least two dome-shaped recesses 8, for example numbered 8a and 8b, of the plurality of dome-shaped recesses 8 are side by side in contact with one another, having an edge in common.
  • the pattern 7 comprises a plurality of parallel ranges 11 of dome-shaped recesses 8, the ranges 1 1 being oriented perpendicularly to a longitudinal axis X of the non-opaque window 3.
  • the light diffuser 5 can comprise thirty-four ranges 11 extending one above the other along the longitudinal axis X, perpendicularly to the latter, each range 11 having six domeshaped recesses 8.
  • the ranges at the longitudinal ends of the light diffuser 5 may have less than six dome-shaped recesses because of the rounded shape of these ends in an example.
  • Figure 8 shows a 3D model created before 3D printing of the light diffuser 5.
  • this model virtually representing the pattern 7, at least some of the dome-shaped recesses 8 of the pattern 7, preferably each dome-shaped recess 8, is/are part of a virtual sphere V having a diameter D equal to about 1 mm in this example.
  • the width W of a dome-shaped recess 8, in particular within a range 1 1 is equal to 0,55 mm in this example.
  • the width W is measured perpendicularly to the longitudinal axis X.
  • the length G of a dome-shaped recess 8, in particular within a range 1 1 is equal to 0,7 mm.
  • the length G is measured parallel to the longitudinal axis X.
  • the front peripheral shape of a dome-shaped recess 8, especially within a range 11 , having other dome-shaped recesses 8 all around its periphery may be rectangular, as can be seen for example in Figure 5.
  • the second face 9 of the light diffuser 5 is substantially flat, notably with no relief thereon.
  • the second face 9 of the light diffuser 5 comprises at least one depression 15, notably a plurality of depressions 15, in this example made of a plurality of parallel grooves 16 extending perpendicularly to the longitudinal axis X and concave towards the non-opaque window when introduced within an aerosol generating device.
  • the light diffuser 5 is made of a non-transparent and non- opaque, preferably white, polymer material chosen in the group consisting of a tough PLA and ABS.
  • the light diffuser 5 with the pattern 7 of dome-shaped recesses 8 may be made by 3D printing in this example, preferably on a high-resolution 3D printer. Furthermore, at least one of the first face 6 and second face 9 of the light diffuser 5 may be sanded. This may result from a surface treatment implemented after the 3D-printing manufacturing process.
  • the light diffuser 5 may be cut so as to have the external suitable shape shown for example on Figures 5 and 9, which has two longitudinal parallel edges and, at the upper and bottom ends, rounded edges. This external shape may be the same as the one of the non- opaque window shown in Figure 1 , for example.
  • the light diffuser 5 is inserted into an inner tray 20 of the aerosol generating device 1 between the non-opaque window 3 and the array 4 of light sources 10, the light sources 10 of the array 4 being preferably fixed to the face 17 of the PCB 14 of the device 1.
  • the inner tray 20 is shown in isolation on Figure 12.
  • the inner tray 20 having a face 21 including an opening 27 for housing the light diffuser 5 and lateral walls 22 extending from the periphery of the face 21 perpendicularly thereof.
  • the lateral walls 22 surround the edges of the PCB 14.
  • the opening 27 has the same shape and dimensions as the light diffuser 5, as shown in Figure 12, in this example.
  • the light diffuser 5 is part of an inner tray 25 of the aerosol generating device 1 .
  • the inner tray 25 internally covers the member parts of the aerosol generating device 1 , as shown in figure 13 and 14.
  • the light diffuser 5 may be made together with the inner tray 25, by 3D-printing, for example.
  • the light diffuser 5 for the aerosol generating device 1 it is possible to make a 3D-printing of the light diffuser 5, preferably with a high-resolution 3D printer, from a nontransparent, preferably white, polymer material chosen for example in the group consisting of a tough PLA (polylactic acid), ABS (Acrylonitrile Butadiene Styrene), PA (Polyamide), PMMA (Acryl or Polymethylmethacrylate), PC (Polycarbonate), POM (polyoxymethelen), and ASA (Acrylonitrile styrene acrylate).
  • a tough PLA polylactic acid
  • ABS Acrylonitrile Butadiene Styrene
  • PA Polyamide
  • PMMA Acryl or Polymethylmethacrylate
  • PC Polycarbonate
  • POM polyoxymethelen
  • ASA Acrylonitrile styrene acrylate
  • a plurality of dome-shaped recesses 8 are made in the first face 6 of the light diffuser 5.
  • the 3D-printing may also comprise forming a plurality of depressions in the second face 9, such as the ones shown in Figure 9.
  • a 3D model may be created such as the one of Figure 8.
  • the aerosol generating device may be of any type concerning the type of consumable article (with a precursor in a liquid, solid or gel form, comprising tobacco or not, for example), the type of heating unit (either resistive or inductive, for example).
  • the light diffuser may be injection moulded.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

L'invention concerne un dispositif de production d'aérosol (1) qui comprend - un corps (2) comprenant une fenêtre non opaque (3) , - un réseau (4) de sources de lumière (10) situées à l'intérieur du corps (2), - un diffuseur de lumière (5) disposé entre le réseau (4) de sources de lumière (10) et la fenêtre non opaque (3) et comprenant * une première face (6) faisant face au réseau (4) de sources de lumière (10) et comprenant un motif (7) d'une pluralité d'évidements en forme de dôme (8) et * une seconde face (9) opposée à la première face (6) et directement ou indirectement visible à travers la fenêtre non opaque (3).
PCT/EP2024/062287 2023-05-11 2024-05-03 Dispositif de production d'aérosol et procédé de fabrication d'un diffuseur de lumière pour un dispositif de production d'aérosol Pending WO2024231286A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202480026076.3A CN120957627A (zh) 2023-05-11 2024-05-03 气溶胶产生装置以及用于制造气溶胶产生装置的光扩散器的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23172937.7 2023-05-11
EP23172937 2023-05-11

Publications (1)

Publication Number Publication Date
WO2024231286A1 true WO2024231286A1 (fr) 2024-11-14

Family

ID=86331676

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/062287 Pending WO2024231286A1 (fr) 2023-05-11 2024-05-03 Dispositif de production d'aérosol et procédé de fabrication d'un diffuseur de lumière pour un dispositif de production d'aérosol

Country Status (2)

Country Link
CN (1) CN120957627A (fr)
WO (1) WO2024231286A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101227557B1 (ko) * 2011-08-26 2013-01-30 최대규 도광판
US20160327238A1 (en) * 2014-01-23 2016-11-10 Philips Lighting Holding B.V. Light diffuser, led lamp arrangement using the same, and manufacturing method
US20180020725A1 (en) * 2016-07-25 2018-01-25 Ramon Alarcon Electronic cigarette with illuminated tip
US10661514B2 (en) * 2015-03-03 2020-05-26 Signify Holding B.V. Stitching by inserting curable compliant materials of parts produced via additive manufacturing techniques for improved mechanical properties
WO2020225099A1 (fr) * 2019-05-03 2020-11-12 Jt International S.A. Dispositif de génération d'aérosol ayant un indicateur d'état éclairé
US20220193983A1 (en) * 2019-03-29 2022-06-23 Arkema France Acrylic composition for 3-d printing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101227557B1 (ko) * 2011-08-26 2013-01-30 최대규 도광판
US20160327238A1 (en) * 2014-01-23 2016-11-10 Philips Lighting Holding B.V. Light diffuser, led lamp arrangement using the same, and manufacturing method
US10661514B2 (en) * 2015-03-03 2020-05-26 Signify Holding B.V. Stitching by inserting curable compliant materials of parts produced via additive manufacturing techniques for improved mechanical properties
US20180020725A1 (en) * 2016-07-25 2018-01-25 Ramon Alarcon Electronic cigarette with illuminated tip
US20220193983A1 (en) * 2019-03-29 2022-06-23 Arkema France Acrylic composition for 3-d printing
WO2020225099A1 (fr) * 2019-05-03 2020-11-12 Jt International S.A. Dispositif de génération d'aérosol ayant un indicateur d'état éclairé

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