WO2024255079A1 - 激光点烟装置及其制备方法 - Google Patents

激光点烟装置及其制备方法 Download PDF

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Publication number
WO2024255079A1
WO2024255079A1 PCT/CN2023/128607 CN2023128607W WO2024255079A1 WO 2024255079 A1 WO2024255079 A1 WO 2024255079A1 CN 2023128607 W CN2023128607 W CN 2023128607W WO 2024255079 A1 WO2024255079 A1 WO 2024255079A1
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WO
WIPO (PCT)
Prior art keywords
laser
heat
light
transmitting container
atomized
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/CN2023/128607
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English (en)
French (fr)
Inventor
赵励
封飞飞
黄鑫峰
罗志通
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.)
Vertilite Co Ltd
Original Assignee
Vertilite 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 Vertilite Co Ltd filed Critical Vertilite Co Ltd
Priority to KR1020247018445A priority Critical patent/KR20240176477A/ko
Priority to EP23923228.3A priority patent/EP4501154A4/en
Priority to GB2412713.6A priority patent/GB2635931A/en
Priority to US18/701,760 priority patent/US20250221455A1/en
Priority to JP2024532739A priority patent/JP2025523322A/ja
Publication of WO2024255079A1 publication Critical patent/WO2024255079A1/zh
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
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • 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
    • A24F40/42—Cartridges or containers for 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
    • A24F40/70—Manufacture

Definitions

  • the embodiments of the present application relate to the field of laser technology, for example, to a laser cigarette lighter device and a method for preparing the same.
  • Electronic cigarettes are electronic products that imitate cigarettes, with the same appearance, smoke, taste and feel as cigarettes. They are products that turn nicotine and other substances into vapor through atomization and other means, and then allow users to inhale them.
  • the heating methods of electronic cigarettes are mainly electrode heating and electronic induction coil heating.
  • the ceramic surface is usually plated with electrodes, and the ceramic is processed into a "dagger" shape to be inserted into the tobacco leaves or tobacco oil waiting for atomization.
  • the electrode heating method will make the temperature of the tobacco leaves or tobacco oil waiting for atomization reach 200-300°C, causing the tobacco leaves or tobacco oil waiting for atomization to release many types of substances harmful to the human body; using the electronic induction coil heating method, the heating temperature can prevent the tobacco leaves or tobacco oil waiting for atomization from releasing many types of substances harmful to the human body.
  • the embodiment of the present application provides a laser cigarette lighter device and a preparation method thereof, so as to reduce the amount of harmful substances released by the device during the heating process and improve the environmental friendliness of the device.
  • the present application provides a laser cigarette lighting device, comprising:
  • a light-transmitting container located in the shell;
  • a laser emitting unit comprising a plurality of lasers; the plurality of lasers are arranged between the housing and the light-transmitting container, and the light-emitting directions of the plurality of lasers are toward the light-transmitting container;
  • the light-transmitting container contains a raw material to be atomized and a heat-absorbing material.
  • the laser is configured to heat and atomize the raw material to be atomized.
  • the heat-absorbing material is configured to absorb heat to increase the degree of atomization of the raw material to be atomized.
  • the absorption peak of the heat-absorbing material in the wavelength range of 650-1550 nm exceeds a preset value;
  • the heat-absorbing material includes at least one of graphite, ceramics, silicon carbide, metals, oxides and nitrides.
  • At least part of the heat absorbing material is in powder form, and the powdered heat absorbing material is uniformly mixed in the raw material to be atomized;
  • the powdered heat absorbing material includes at least one of silicon carbide powder, graphite powder, ceramic powder, metal powder, oxide powder and nitride powder.
  • At least part of the heat absorbing material forms a porous loose structure
  • At least part of the heat absorbing material constitutes a heat absorbing body; the heat absorbing body comprises at least one hollow cavity configured to accommodate the raw material to be atomized;
  • the heat absorber is in a columnar structure, a spherical structure or a cubic structure
  • the shape of the hollowed-out cavity includes at least one of a circle, annular, elliptical, polygonal and irregular shape.
  • At least part of the heat absorbing material constitutes a heat absorbing film, and the heat absorbing film covers part of the inner surface of the light-transmitting container.
  • the laser cigarette lighting device further comprises an anti-reflection film, and the anti-reflection film covers at least one of the outer surface and the inner surface of the light-transmitting container.
  • the laser cigarette lighter device further comprises a heat-conductive insulating substrate, which is fixed to the inner surface of the shell by solder; the plurality of lasers are arranged on the surface of the heat-conductive insulating substrate away from the shell, and are electrically connected to the electrode layer located on the surface of the heat-conductive insulating substrate;
  • the electrode layer includes a positive electrode and a negative electrode; the positive electrode and the negative electrode are configured to be led out of the shell through a flexible circuit board and electrically connected to the drive unit; or, the positive electrode and the negative electrode are configured to be led out of the shell through an electrode rod and electrically connected to the drive unit.
  • the material of the housing includes heat dissipation metal
  • the material of the thermally conductive insulating substrate includes at least one of ceramic, aluminum nitride, copper diamond, beryllium oxide and aluminum oxide;
  • the material of the light-transmitting container includes at least one of glass, silicon carbide, ceramic, oxide and nitride;
  • the types of the multiple lasers in the laser unit include edge emitting lasers, vertical cavity surface emitting lasers, At least one of an optical device, a photonic crystal laser and a horizontal cavity surface emitting laser.
  • a photodetector is arranged opposite each laser, and an optical structure is arranged between the laser and the photodetector; the optical structure is configured to direct part of the light of the laser to the photodetector.
  • the optical structure includes a light guide tube, and the light guide tube is arranged in the shell of the light-transmitting container.
  • the present application provides a method for preparing a laser cigarette lighter device, which is used to prepare the laser cigarette lighter device described in any embodiment of the present application, comprising:
  • a light-transmitting container is provided, and the metal heat sink is prepared into a shell surrounding the light-transmitting container; wherein the multiple lasers are arranged between the shell and the light-transmitting container, and the light emitting directions of the multiple lasers are toward the light-transmitting container; the light-transmitting container is used to accommodate raw materials to be atomized and heat-absorbing materials, and the lasers are used to heat and atomize the raw materials to be atomized; the heat-absorbing materials are used to absorb heat to increase the atomization degree of the raw materials to be atomized.
  • FIG1 is a schematic structural diagram of a laser cigarette lighting device provided in an embodiment of the present application.
  • FIG2 is a disassembled view of the structure shown in FIG1 ;
  • FIG3 is a bottom schematic diagram of the structure shown in FIG2 ;
  • FIG4 is a schematic structural diagram of a light-transmitting container provided in an embodiment of the present application.
  • FIG5 is a schematic structural diagram of another light-transmitting container provided in an embodiment of the present application.
  • FIG6 is a schematic diagram of a porous loose structure provided in an embodiment of the present application.
  • FIG7 is a schematic structural diagram of a heat absorber provided in an embodiment of the present application.
  • FIG8 is a schematic diagram of the structure of a heat-absorbing film on the inner surface of a light-transmitting container provided in an embodiment of the present application;
  • FIG9 is a schematic structural diagram of another laser cigarette lighting device provided in an embodiment of the present application.
  • FIG10 is a disassembled view of the structure shown in FIG9 ;
  • FIG11 is a flow chart of a method for preparing a laser cigarette lighting device provided in an embodiment of the present application.
  • FIG. 12 is a flow chart of another method for preparing a laser cigarette lighting device provided in an embodiment of the present application.
  • FIG1 is a schematic diagram of the structure of the laser cigarette lighting device provided by the embodiment of the present application
  • FIG2 is a disassembled diagram of the structure shown in FIG1
  • FIG3 is a schematic diagram of the bottom of the structure shown in FIG2.
  • the laser cigarette lighting device includes: a shell 10; a light-transmitting container 20, which is located in the shell 10; a laser emitting unit, including a plurality of lasers 30; the plurality of lasers 30 are arranged between the shell 10 and the light-transmitting container 20, and the light emitting direction of the laser 30 is toward the light-transmitting container 20; wherein, a raw material to be atomized and a heat-absorbing material are arranged in the light-transmitting container 20, and the laser 30 is arranged to heat and atomize the raw material to be atomized; and the heat-absorbing material is arranged to absorb heat to increase the degree of atomization of the raw material to be atomized.
  • the laser cigarette lighting device includes a shell 10, a light-transmitting container 20 and a laser emitting unit.
  • the light-transmitting container 20 is configured to contain the raw materials to be atomized.
  • the raw materials to be atomized may include solid smoke or liquid smoke, or other raw materials that can be heated and inhaled for entertainment or medical purposes, which are not limited in the embodiments of the present application.
  • the light-transmitting container 20 is arranged in the shell 10, and a plurality of lasers 30 are fixed on the inner surface of the shell 10, so that a plurality of lasers 30 with light emitting directions facing the light-transmitting container 20 are arranged around or at the bottom of the light-transmitting container 20.
  • the material of the light-transmitting container 20 includes one or more of glass, silicon carbide, ceramics, oxides and nitrides, which must meet the requirement of laser transparency.
  • the housing 10 may be cylindrical, spherical or cubic.
  • the light-transmitting container 20 may be cylindrical, strip-shaped or pan-shaped.
  • FIG. 1 exemplarily shows that the light-transmitting container 20 is cylindrical
  • FIG. 4 exemplarily shows that the light-transmitting container 20 is pan-shaped
  • FIG. 5 exemplarily shows that the light-transmitting container 20 is
  • the lasers 30 can be arranged unilaterally, bilaterally, or multilaterally.
  • these lasers 30 can be evenly arranged on the outer ring of the light-transmitting container 20, so that the energy of the lasers 30 can be more evenly transmitted to the raw material to be atomized.
  • Heat absorbing materials that do not decompose above 200°C and can absorb the heat of the laser well are also arranged in the light-transmitting container 20, such as graphite, silicon carbide, ceramics, metals, oxides and nitrides, etc., which have a high absorption peak between 650-1550nm. These heat absorbing materials are arranged to absorb the heat from the laser and transfer the heat to the raw materials waiting for atomization such as the tobacco oil or tobacco shreds, so that the atomization of the raw materials to be atomized can be carried out more easily.
  • the laser cigarette lighting device provided in the embodiment of the present application, through the coherent light advantage of the laser, transfers the heat of the laser to the raw material to be atomized, and heats and atomizes the raw material to be atomized.
  • the temperature of laser heating can prevent the raw material to be atomized from releasing multiple types of substances harmful to the human body, and can also reduce or avoid the release of harmful substances from materials such as ceramics and metal electrodes in the device.
  • the laser is set outside the light-transmitting container as a heating source, which can prevent the laser from directly contacting the raw material to be atomized, solve the problem of increased heat loss caused by the raw material to be atomized covering the electrode or electronic coil, and reduce or avoid the harmful substances released by materials such as ceramics and metal electrodes being inhaled into the body with the atomized raw material, thereby reducing the damage to the smoker itself and improving the environmental protection of the electronic cigarette.
  • a heat-absorbing material is set in the light-transmitting container, and the degree of atomization of the raw material to be atomized can be increased by the heat-absorbing material, thereby improving the user experience.
  • At least part of the heat absorbing material is in powder form, and the powdered heat absorbing material is uniformly mixed in the raw material to be atomized.
  • the light-transmitting container 20 is also provided with a heat-absorbing material that is not easy to decompose and can absorb the heat of the laser well.
  • the absorption peak of the added heat-absorbing material in the wavelength range of 650-1550nm exceeds the preset value, such as silicon carbide powder, graphite powder, ceramic powder, metal powder, oxide powder, nitride powder, nitride powder, etc., which have a high absorption peak between 650-1550nm.
  • the powdered heat-absorbing material can be evenly mixed in the raw material to be atomized, so that the heat can be more evenly transferred to the raw material to be atomized, thereby allowing the raw material to be fully heated and atomized.
  • Figure 6 is a structural schematic diagram of a porous loose structure provided in an embodiment of the present application.
  • the heat-absorbing material constitutes a porous loose structure 103, and the raw material to be atomized is filled in the pores 104 of the porous loose structure 103.
  • FIG 7 is a schematic structural diagram of a heat absorber provided in an embodiment of the present application.
  • the heat absorber 101 includes at least one hollow cavity 100 configured to accommodate the raw material to be atomized;
  • the heat absorber 101 has a columnar structure, a spherical structure or a cubic structure;
  • the shape of the hollow cavity 100 includes one or more of a circular, annular, elliptical, polygonal and irregular shape.
  • the heat absorbing material added to the light-transmitting container 20 can also be made into a columnar structure, a spherical structure or a cubic structure.
  • the three-dimensional structure is hollowed out inside to form a hollow cavity 100 of various shapes, so that the raw materials to be atomized can be filled in the hollow cavity 100, and the heat-absorbing material can absorb more heat to transfer to the raw materials to be atomized.
  • the heat-absorbing body 101 forms an annular and a circular groove, and each groove is a hollow cavity 100, and the raw materials to be atomized are filled in the groove of the heat-absorbing body 101.
  • the heat-absorbing body 101 can also form a plurality of annular grooves.
  • the light-transmitting container 20 can be provided with a heat-absorbing material in a three-dimensional structure and a heat-absorbing material in a powdered state, so as to further improve the atomization degree of the raw materials to be atomized.
  • FIG8 is a schematic diagram of the structure of a heat-absorbing film on the inner surface of a light-transmitting container provided in an embodiment of the present application.
  • the heat-absorbing material constitutes the heat-absorbing film 102
  • the heat-absorbing film 102 covers part of the inner surface of the light-transmitting container 20.
  • the above-mentioned materials that can absorb the heat of the laser well can also be coated inside the light-transmitting container 20 to promote the atomization of the raw materials to be atomized. Since the state of the smoke oil needs to be observed, this coating only needs to be half-coated.
  • the laser cigarette lighter device may include a powdered heat absorbing material, a porous loose structure 103 formed by the heat absorbing material, a heat absorbing body 101 and a heat absorbing film 102, or may include one or any combination thereof.
  • the laser cigarette lighter device further includes an anti-reflection film 105, as shown in FIG2 , the anti-reflection film 105 covers at least one of the outer surface and the inner surface of the light-transmitting container 20. It can be understood that a corresponding film can be plated on the surface of the light-transmitting container 20 according to the wavelength of the laser 30 to achieve a higher transmittance, so as to further improve the atomization degree of the raw material to be atomized.
  • FIG. 9 is a schematic structural diagram of another laser cigarette lighting device provided in the embodiment of the present application
  • FIG. 10 is a disassembled diagram of the structure shown in FIG. 9 . Please refer to FIG. 9 and FIG. 10 , and in combination with FIG. 1 to FIG.
  • the laser cigarette lighting device also includes a heat-conductive insulating substrate 40, which is fixed to the inner surface of the shell 10 by solder; the laser 30 is arranged on the surface of the heat-conductive insulating substrate 40 away from the shell 10, and is electrically connected to the electrode layer located on the surface of the heat-conductive insulating substrate 40; wherein the electrode layer includes a positive electrode and a negative electrode; the positive electrode and the negative electrode are led out of the shell 10 through the flexible circuit board 50, and are electrically connected to the drive unit; or, the positive electrode and the negative electrode are led out of the shell 10 through the electrode rod 60, and are electrically connected to the drive unit.
  • the bottom of the laser 30 is supported by a heat-conducting insulating substrate 40.
  • a metal layer with a certain pattern on the surface of the heat-conducting insulating substrate 40, which is electrically connected to the laser 30.
  • Multiple lasers 30 can be mounted on the surface of the metal layer through solder such as silver paste, indium, gold tin, tin silver copper or tin bismuth.
  • the metal layer includes a positive electrode and a negative electrode, which are electrically connected to the positive and negative electrodes of the laser 30 respectively.
  • the heat-conducting insulating substrate 40 can be a high heat-conducting insulating substrate such as aluminum nitride, copper diamond, beryllium oxide or aluminum oxide, so as to facilitate the heat dissipation of the laser 30 and reduce the harmful substances released by the metal layer on the surface of the heat-conducting insulating substrate 40.
  • the material of the housing 10 can be set to a heat-dissipating metal.
  • the heat-dissipating metal of the housing 10 can be a high heat-conducting metal such as copper and/or aluminum to further effectively dissipate the heat of the laser 30.
  • Metal electrode rods 60 can be used to lead out the positive and negative electrodes of the laser 30 (as shown in Figures 9 and 10).
  • a flexible printed circuit board (FPCB) 50 can be used to lead out the positive and negative electrodes of the laser 30 (as shown in Figures 1 to 3).
  • the metal electrode rod 60 or the flexible printed circuit board 50 is inserted into the printed circuit board (PCB) by means of surface mount technology (SMT) and the like to realize the electrical connection between the laser 30 and the driving circuit.
  • SMT surface mount technology
  • a circuit with certain functions is arranged on the PCB to realize the driving of the laser 30.
  • the driving condition can be that the laser 30 is in a continuous mode or a quasi-continuous wave (QCW) mode, such as 1 sec on, 10 sec off, a pulse width from 10ns-1sec, a duty cycle from 1% to 100%, and a peak power from 1W to 500W.
  • QCW quasi-continuous wave
  • different holes or pads can be arranged on the PCB, and the metal electrode rod 60 or FPCB50 used to lead out the electrodes of the laser 30 can be uniformly welded to the surface of the PCB to realize the uniform distribution of the lasers 30.
  • the type of laser 30 in the laser emitting unit includes one or more of an edge emitting laser, a vertical cavity surface emitting laser, a photonic crystal laser, and a horizontal cavity surface emitting laser.
  • the wavelength range of the laser 30 is 650 to 1550 nm, and the number of knots can range from 1 to 10 knots, which is used to achieve higher peak power.
  • the number of lasers 30 can range from 1 to 1000, which is set according to actual needs, and the embodiment of the present application does not limit this.
  • a photodetector is provided opposite to the laser 30, and the photodetector is configured to detect the working state of the laser to prevent failure of the laser 30 from being discovered in time.
  • An optical structure is provided between the laser 30 and the photodetector; the optical structure is configured to direct part of the light of the laser 30 to the photodetector, so as to facilitate the photodetector to detect the working state of the laser 30.
  • the optical structure can be a light guide tube or other specific light path design.
  • the light guide tube or other specific light path design can be provided in the shell of the light-transmitting container 20 to prevent the light guide tube or other specific light path design from being provided together with the raw material to be atomized in the hollow cavity 100 of the light-transmitting container 20, which affects the space occupied and heat absorption of the raw material to be atomized.
  • FIG. 11 is a flow chart of a method for preparing a laser cigarette lighting device provided in the present application. Referring to FIG. 11 , the method for preparing a laser cigarette lighting device includes:
  • S130 providing a light-transmitting container, and preparing the metal heat sink into a shell surrounding the light-transmitting container; wherein a plurality of lasers are arranged between the shell and the light-transmitting container, and the light emitting direction of the lasers is toward the light-transmitting container; the light-transmitting container is used to accommodate the raw material to be atomized and the heat-absorbing material, and the laser is used to heat and atomize the raw material to be atomized; the heat-absorbing material is used to increase the atomization degree of the raw material to be atomized.
  • the metal heat sink is a planar structure, and its shape can have a corner shape, so that the metal heat sink is made
  • the prepared shell surrounding the light-transmitting container can be cylindrical, spherical or cubic.
  • the light-transmitting container can be cylindrical, or it can be long strips, or it can be similar to a pan.
  • the light-transmitting container contains the raw materials to be atomized.
  • the raw materials to be atomized can include solid tobacco leaves or liquid tobacco oil, or other raw materials that can be heated and inhaled for entertainment or medical purposes, which are not limited in the embodiments of the present application.
  • a plurality of lasers are fixed on the inner surface of the shell, so that a plurality of lasers with light emitting directions facing the light-transmitting container are arranged around or at the bottom of the light-transmitting container.
  • the material of the light-transmitting container includes one or more of glass, silicon carbide, ceramics, oxides and nitrides, which must meet the requirements of laser transparency.
  • the lasers can be arranged unilaterally, bilaterally, or multilaterally.
  • a number of lasers are arranged around or at the bottom of the light-transmitting container. These lasers can be evenly arranged on the outer ring of the light-transmitting container so that the energy of the laser can be more evenly transferred to the raw material to be atomized.
  • Heat-absorbing materials that do not decompose above 200°C and can absorb the heat of the laser well are also arranged in the light-transmitting container, such as graphite, ceramics, metals, oxides, nitrides, etc., which have a high absorption peak between 650-1550nm. These heat-absorbing materials are used to absorb the heat from the laser and transfer the heat to the tobacco oil or tobacco, making it easier to atomize the raw material to be atomized.
  • the preparation method of the laser cigarette lighting device is to arrange a laser around the light-transmitting container containing the raw material to be atomized, and utilize the coherent light advantage of the laser to transfer the heat of the laser to the raw material to be atomized, so as to heat and atomize the raw material to be atomized, and the temperature of the laser heating can prevent the raw material to be atomized from releasing multiple types of substances harmful to the human body.
  • the laser is arranged outside the light-transmitting container as a heating source, which can prevent the laser from directly contacting the raw material to be atomized, and can solve the problem of increased heat loss caused by the raw material to be atomized covering the electrode or electronic coil; in addition, the laser is arranged outside the light-transmitting container as a heating source, which can reduce or avoid the release of harmful substances from materials such as ceramics and metal electrodes, thereby reducing the harm to the smoker himself and improving the environmental protection of the electronic cigarette.
  • a heat-absorbing material is arranged in the light-transmitting container, and the heat-absorbing material can increase the atomization degree of the raw material to be atomized, thereby improving the user experience.
  • FIG. 12 is a flow chart of another method for preparing a laser cigarette lighter device provided in an embodiment of the present application.
  • the method for preparing a laser cigarette lighter device includes:
  • solder which may include silver paste, indium, tin-silver-copper, tin-bismuth, or gold-tin.
  • S240 lead the positive electrode and the negative electrode out of the housing through the flexible circuit board, and electrically connect them to the drive unit; or, lead the positive electrode and the negative electrode out of the housing through the electrode rod, and electrically connect them to the drive unit.

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Abstract

一种激光点烟装置及其制备方法，其中激光点烟装置包括：壳体（10）；透光容器（20），位于壳体（10）中；激光发射单元，包括多个激光器（30）；多个激光器（30）设置在壳体（10）与透光容器（20）之间，多个激光器（30）的出光方向朝向透光容器（20）；其中，透光容器（20）中设置有待雾化原材料以及吸热材料，激光器（30）设置为对待雾化原材料进行加热雾化；吸热材料设置为吸热以增大待雾化原材料的雾化程度。

Description

激光点烟装置及其制备方法
本申请要求在2023年06月13日提交的临时专利申请序列号为63/472,782的美国临时申请的优先权，以及在2023年08月18日提交中国专利局、申请号为202311052241.6的中国专利申请的优先权，上述申请的全部内容通过引用并入本文。
技术领域
本申请实施例涉及激光器技术领域，例如涉及一种激光点烟装置及其制备方法。
背景技术
电子烟是一种模仿卷烟的电子产品，有着与卷烟一样的外观、烟雾、味道和感觉。它是通过雾化等手段，将尼古丁等变成蒸汽后，让用户吸食的一种产品。
电子烟的加热方式主要是电极加热和电子感应线圈加热。对于电极加热方式，通常陶瓷表面镀有电极，并且将陶瓷加工成“匕首”形状，以插入到烟叶或烟油等待雾化原料中。但是电极加热的方式会使得烟叶或烟油等待雾化原料的温度达到200-300℃，导致烟叶或烟油等待雾化原料释放多类对人体有害的物质；采用电子感应线圈加热的方式，加热的温度可以避免烟叶或烟油等待雾化原料释放多类对人体有害的物质。但是不论是陶瓷、还是陶瓷表面镀有的金属电极以及电子感应线圈这些重金属材料，在长期使用或干烧过程，会释放一些有害物质，随着雾化后的原料吸入体内，对吸烟者本身造成伤害，同样也不利于环保。
发明内容
本申请实施例提供了一种激光点烟装置及其制备方法，以降低器件在加热过程中有害物质的释放量，提高器件的环保性。
本申请提供了一种激光点烟装置，包括：
壳体；
透光容器，位于所述壳体中；
激光发射单元，包括多个激光器；所述多个激光器设置在所述壳体与所述透光容器之间，所述多个激光器的出光方向朝向所述透光容器；
所述透光容器中设置有待雾化原材料以及吸热材料，所述激光器设置为对所述待雾化原材料进行加热雾化；所述吸热材料设置为吸热以增大所述待雾化原材料的雾化程度。
可选的，所述吸热材料在650-1550nm的波长范围内的吸收峰超过预设值；所述吸热材料包括石墨、陶瓷、碳化硅、金属、氧化物和氮化物中的至少一种。
可选的，至少部分吸热材料呈粉末状，粉末状的吸热材料均匀混合在所述待雾化原材料中；
其中，粉末状的吸热材料包括碳化硅粉、石墨粉、陶瓷粉、金属粉、氧化物粉、氮化物粉中的至少一种。
可选的，至少部分吸热材料构成多孔疏松结构；或者，
至少部分吸热材料构成吸热体；所述吸热体中包括至少一个设置为容纳所述待雾化原材料的挖空容腔；
所述吸热体呈柱状结构、球状结构或者立方体结构；
所述挖空容腔的形状包括圆形、环形、椭圆形、多边形和异形中的至少一种。
可选的，至少部分吸热材料构成吸热薄膜，所述吸热薄膜覆盖在所述透光容器的部分内表面上。
可选的，所述激光点烟装置还包括增透膜，所述增透膜覆盖在所述透光容器的外表面和内表面的至少一处。
可选的，所述激光点烟装置还包括导热绝缘基板，所述导热绝缘基板通过焊料固定在所述壳体的内表面；所述多个激光器设置在所述导热绝缘基板远离所述壳体一侧的表面上，并与位于所述导热绝缘基板的表面上的电极层电连接；
所述电极层包括正电极和负电极；所述正电极和所述负电极设置为通过柔性电路板引出所述壳体，并与驱动单元电连接；或者，所述正电极和所述负电极设置为通过电极棒引出所述壳体，并与驱动单元电连接。
可选的，所述壳体的材料包括散热金属；
所述导热绝缘基板的材料包括陶瓷、氮化铝、铜金刚石、氧化铍和氧化铝中的至少一种；
所述透光容器的材料包括玻璃、碳化硅、陶瓷、氧化物和氮化物中的至少一种；
所述激光单元中的多个激光器的类型包括边发射激光器、垂直腔面发射激 光器、光子晶体激光器和水平腔面发射激光器中的至少一种。
可选的，每一激光器的对面设置有光电探测器，所述激光器和所述光电探测器之间设置有光学结构；所述光学结构设置为将所述激光器的部分光导向所述光电探测器处。
可选的，所述光学结构包括导光管，所述导光管设置在所述透光容器的壳体中。
本申请提供了一种激光点烟装置的制备方法，用于制备本申请任一实施例所述的激光点烟装置，包括：
提供金属热沉片；
将多个激光器固定在所述金属热沉片的表面；
提供一透光容器，将所述金属热沉片制备成包围所述透光容器的壳体；其中，所述多个激光器设置在所述壳体与所述透光容器之间，所述多个激光器的出光方向朝向所述透光容器；所述透光容器用于容纳待雾化原材料以及吸热材料，所述激光器用于对所述待雾化原材料进行加热雾化；所述吸热材料用于吸热以增大所述待雾化原材料的雾化程度。
应当理解，本部分所描述的内容并非旨在标识本申请的实施例的关键或重要特征，也不用于限制本申请的范围。本申请的其它特征将通过以下的说明书而变得容易理解。
附图说明
下面将对实施例描述中所需要使用的附图作简单地介绍。
图1是本申请实施例提供的一种激光点烟装置的结构示意图；
图2是图1所示结构的拆解图；
图3是图2所示结构的底部示意图；
图4是本申请实施例提供的一种透光容器的结构示意图；
图5是本申请实施例提供的另一种透光容器的结构示意图；
图6是本申请实施例提供的一种多孔疏松结构的结构示意图；
图7是本申请实施例提供的一种吸热体的结构示意图；
图8是本申请实施例提供的一种透光容器的内表面上吸热薄膜的结构示意图；
图9是本申请实施例提供的另一种激光点烟装置的结构示意图；
图10是图9所示结构的拆解图；
图11是本申请实施例提供的一种激光点烟装置的制备方法的流程图；
图12是本申请实施例提供的另一种激光点烟装置的制备方法的流程图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述。
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，除了包含本申请实施例示出的一系列步骤或单元的过程、方法、系统、产品或设备，还可包括没有清楚地列出的这一系列步骤或单元的其它过程、方法、系统、产品或设备，或对于这些过程、方法、系统、产品或设备固有的其它步骤或单元。
本申请实施例提供了一种激光点烟装置，图1是本申请实施例提供的一种激光点烟装置的结构示意图，图2是图1所示结构的拆解图，图3是图2所示结构的底部示意图，参考图1～图3，激光点烟装置包括：壳体10；透光容器20，位于壳体10中；激光发射单元，包括多个激光器30；多个激光器30设置在壳体10与透光容器20之间，激光器30的出光方向朝向透光容器20；其中，透光容器20中设置有待雾化原材料以及吸热材料，激光器30设置为对待雾化原材料进行加热雾化；吸热材料设置为吸热以增大待雾化原材料的雾化程度。
激光点烟装置包括壳体10、透光容器20和激光发射单元。其中，透光容器20设置为容纳待雾化原材料。待雾化原材料可以包括固体烟或者液体烟，还可以是其它具有娱乐性或者医疗性等可加热吸入的原材料，本申请实施例对此不进行限定。透光容器20设置于壳体10中，壳体10的内表面固定有多个激光器30，使得在透光容器20的四周或者底部设置有若干出光方向朝向透光容器20的激光器30。通过激光的相干光优势，使激光的热量传递到待雾化原材料中，对待雾化原材料实现加热雾化。透光容器20的材料包括玻璃、碳化硅、陶瓷、氧化物和氮化物中的一种或多种，需满足激光可透过的需求。
壳体10可以呈柱状、球状或者立方体状。透光容器20可以呈圆柱状，也可以是长条状，或者类似平底锅状。图1中示例性的示出透光容器20呈圆柱状，图4中示例性的示出透光容器20呈平底锅状，图5中示例性的示出透光容器20 呈长条状。在壳体10的横截面中，沿着壳体10所形成的图形的边缘，激光器30可以单边排列，可以双边排列，也可以多边排列。可先的，这些激光器30可以均匀的布置在透光容器20的外圈，使激光器30的能量能够更加均匀的传递到待雾化原材料内。
在透光容器20中还设置有200℃以上不分解，且能很好吸收激光的热量的吸热材料，如石墨、碳化硅、陶瓷、金属、氧化物和氮化物等在650-1550nm之间具有较高吸收峰的材料。这些吸热材料设置为吸收来自激光的热量，并将热量传递给烟油或烟丝等待雾化原材料，使待雾化原材料的雾化更容易进行。
本申请实施例提供的激光点烟装置，通过激光的相干光优势，使激光的热量传递到待雾化原材料中，对待雾化原材料实现加热雾化，激光加热的温度可以避免待雾化原料释放多类对人体有害的物质，也可以减少或者避免装置中的陶瓷、金属电极等材料释放有害物质。并且激光器作为加热源，设置在透光容器的外部，可以防止激光器与待雾化原材料的直接接触，可以解决待雾化原材料覆盖电极或电子线圈，导致热量损耗增大的问题，以及可以减少或者避免陶瓷、金属电极等材料释放的有害物质随雾化后的原料吸入体内，从而降低对吸烟者本身造成的伤害，提高了电子烟的环保性。此外，透光容器中设置有吸热材料，通过吸热材料可以增大待雾化原材料的雾化程度，提高用户的体验感。
在本申请的一个实施例中，可选的，至少部分吸热材料呈粉末状，粉末状的吸热材料均匀混合在待雾化原材料中。
在透光容器20中还设置有不易分解，且能很好吸收激光的热量的吸热材料，所添加的吸热材料在650-1550nm的波长范围内的吸收峰超过预设值，如碳化硅粉、石墨粉末、陶瓷粉末、金属粉末、氧化物粉末、氮化物粉末、氮化物粉等在650-1550nm之间具有较高吸收峰的材料。粉末状的吸热材料可以均匀混合在待雾化原材料中，使得热量可以更均匀的传递给待雾化原材料，进而使得待雾化原材料得到充分的加热雾化。
在本申请的一个实施例中，图6是本申请实施例提供的一种多孔疏松结构的结构示意图，参考图6，至少部分吸热材料构成多孔疏松结构103，待雾化原材料填充于多孔疏松结构103的孔104中。
图7是本申请实施例提供的一种吸热体的结构示意图，参考图7，可选的，至少部分吸热材料构成吸热体101；吸热体101中包括至少一个设置为容纳待雾化原材料的挖空容腔100；吸热体101呈柱状结构、球状结构或者立方体结构；挖空容腔100的形状包括圆形、环形、椭圆形、多边形和异形中的一种或多种。
在透光容器20中添加的吸热材料也可以做成柱状结构、球状结构或者立方 体结构，并在立体结构内部挖空形成多类形状的挖空容腔100，方便在挖空容腔100中填充容纳待雾化原材料，吸热材料可吸收更多的热量以传递给待雾化原材料。示例性的，图7中，吸热体101形成一个环形和一个圆形的槽，每一个槽即为一个挖空容腔100，待雾化原材料填充于吸热体101的槽中。吸热体101也可以形成多个环形的槽。透光容器20内可以具备呈立体结构状的吸热材料和呈粉末状的吸热材料，以便于进一步的提高对待雾化原材料的雾化程度。
在本申请的一个实施例中，图8是本申请实施例提供的一种透光容器的内表面上吸热薄膜的结构示意图，参考图8，至少部分吸热材料构成吸热薄膜102，吸热薄膜102覆盖在透光容器20的部分内表面上。也就是说，还可以在透光容器20内部涂上上述这些能很好吸收激光的热量的材料，以促进待雾化原材料的雾化。由于需要观察烟油的状态，这种涂装仅需要半涂即可。
激光点烟装置可以具备粉末状的吸热材料、由吸热材料形成的多孔疏松结构103、吸热体101和吸热薄膜102，也可以具备其中的一种或任意的多种。
在本申请的一个实施例中，激光点烟装置还包括增透膜105，如图2所示，增透膜105覆盖在透光容器20的外表面和内表面的至少一处。可以理解为，可以根据激光器30的波长在透光容器20的表面镀相应的膜，实现更高的透射率，以便于进一步的提高对待雾化原材料的雾化程度。
在本申请的一个实施例中，图9是本申请实施例提供的另一种激光点烟装置的结构示意图，图10是图9所示结构的拆解图，请参考图9和图10，并结合图1～图3，激光点烟装置还包括导热绝缘基板40，导热绝缘基板40通过焊料固定在壳体10的内表面；激光器30设置在导热绝缘基板40远离壳体10一侧的表面上，并与位于导热绝缘基板40的表面上的电极层电连接；其中，电极层包括正电极和负电极；正电极和负电极通过柔性电路板50引出壳体10，并与驱动单元电连接；或者，正电极和负电极通过电极棒60引出壳体10，并与驱动单元电连接。
激光器30的底部由导热绝缘基板40支撑，在导热绝缘基板40的表面存在有一定图形的金属层，与激光器30电连接。多个激光器30可以通过银浆、铟、金锡、锡银铜或锡铋等焊料贴装在金属层的表面，金属层包括正电极和负电极，分别电连接激光器30的正极和负极。导热绝缘基板40可以是氮化铝、铜金刚石、氧化铍或氧化铝等高导热绝缘基板，以便于激光器30的散热，也可以减少导热绝缘基板40的表面上的金属层释放的有害物质。另外，壳体10的材料可以设置为散热金属。壳体10的散热金属可以是铜和/或铝等高导热金属，以进一步的对激光器30进行有效的散热。
可以采用金属电极棒60将激光器30的正负极引出(如图9和图10)，也 可以采用柔性电路板(Flexible Printed Circuit board，FPCB)50软带将激光器30的正负极引出(如图1～图3)。金属电极棒60或者柔性电路板50通过表面贴装技术(Surface Mount Technology，SMT)等方式插入印制电路板(Printed Circuit Board，PCB)里，实现激光器30和驱动电路电连接。在PCB上设置有一定功能的电路，可以实现激光器30的驱动，驱动条件可以是激光器30处于连续模式或者准连续波(Quasi-Continuous Wave，QCW)模式，如1sec开，10sec关，脉宽从10ns-1sec，占空比从1％～100％，峰值功率从1W-500W。当激光器30数量较多时，可以在PCB上设置不同的孔或者焊盘，将用于引出激光器30的电极的金属电极棒60或FPCB50均匀的焊接到PCB的表面，实现激光器30的均匀分布。
激光发射单元中激光器30的类型包括边发射激光器、垂直腔面发射激光器、光子晶体激光器和水平腔面发射激光器中的一种或多种。激光器30的波长范围为650～1550nm，结数范围可以为1-10结，用于实现更高的峰值功率，激光器30的数量范围可以为1-1000颗，根据实际需要进行设置，本申请实施例对此不进行限定。
在本申请的一个实施例中，激光器30的对面设置有光电探测器，光电探测器设置为检测激光的工作状态，防止激光器30出现故障时无法及时发现。激光器30和光电探测器之间设置有光学结构；光学结构设置为将激光器30的部分光导向光电探测器处，以便于光电探测器对激光器30工作状态的检测。其中，光学结构可以为导光管或者其它特定的光路设计。导光管或者其它特定的光路设计可以设置在透光容器20的壳体内，防止将导光管或者其它特定的光路设计与待雾化原材料一起设置在透光容器20的挖空容腔100中时，影响待雾化原材料的所占空间和热量吸收。
本申请实施例还提供了一种激光点烟装置的制备方法，用于制备上述任意实施例所述的激光点烟装置，图11是本申请实施例提供的一种激光点烟装置的制备方法的流程图，参考图11，激光点烟装置的制备方法包括：
S110、提供金属热沉片。
S120、将多个激光器固定在金属热沉片的表面。
S130、提供一透光容器，将金属热沉片制备成包围透光容器的壳体；其中，多个激光器设置在壳体与透光容器之间，激光器的出光方向朝向透光容器；透光容器用于容纳待雾化原材料以及吸热材料，激光器用于对待雾化原材料进行加热雾化；吸热材料用于增大待雾化原材料的雾化程度。
金属热沉片是平面结构，其形状可以具有拐角的形状，以使金属热沉片制 备成的包围透光容器的壳体可以呈柱状、球状或者立方体状。透光容器可以呈圆柱状，也可以是长条状，或者类似平底锅状。透光容器中容纳待雾化原材料。待雾化原材料可以包括固体烟叶或者液体烟油，还可以是其它具有娱乐性或者医疗性等可加热吸入的原材料，本申请实施例对此不进行限定。壳体的内表面固定多个激光器，使得在透光容器的四周或者底端设置有若干出光方向朝向透光容器的激光器。通过激光的相干光优势，使激光的热量传递到待雾化原材料中，对待雾化原材料实现加热雾化。透光容器的材料包括玻璃、碳化硅、陶瓷、氧化物和氮化物中的一种或多种，需满足激光可透过的需求。在壳体的横截面中，沿着壳体所形成的图形的边缘，激光器可以单边排列，可以双边排列，也可以多边排列。可先的，在透光容器的四周或者底端设置若干激光器，这些激光器可以均匀的布置在透光容器的外圈，使激光器的能量能够更加均匀的传递到待雾化原材料内。在透光容器中还设置有200℃以上不分解，且能很好吸收激光的热量的吸热材料，如石墨，陶瓷，金属，氧化物，氮化物等在650-1550nm之间具有较高吸收峰的材料。这些吸热材料用于吸收来自激光的热量，并将热量传递给烟油或烟丝，使待雾化原材料的雾化更容易进行。
本申请实施例提供的激光点烟装置的制备方法，通过在容纳待雾化原材料的透光容器的周围设置激光器，利用激光的相干光优势，使激光的热量传递到待雾化原材料中，对待雾化原材料实现加热雾化，激光加热的温度可以避免待雾化原料释放多类对人体有害的物质。并且激光器作为加热源，设置在透光容器的外部，可以防止激光器与待雾化原材料的直接接触，可以解决待雾化原材料覆盖电极或电子线圈，导致热量损耗增大的问题；另外，激光器作为加热源，设置在透光容器的外部，可以减少或者避免陶瓷、金属电极等材料释放有害物质，从而降低对吸烟者本身造成的伤害，提高了电子烟的环保性。此外，透光容器中设置有吸热材料，通过吸热材料可以增大待雾化原材料的雾化程度，提高用户的体验感。
图12是本申请实施例提供的另一种激光点烟装置的制备方法的流程图，参考图12，激光点烟装置的制备方法包括：
S210、提供金属热沉片。
S220、在金属热沉片键合导热绝缘基板；导热绝缘基板和金属热沉片之间通过焊料连接。焊料可以包括银浆、铟、锡银铜、锡铋或金锡等。
S230、将多个激光器通过焊料贴装在导热绝缘基板的表面的金属层上；其中，金属层包括正电极和负电极，分别电连接激光器的正极和负极。
S240、将正电极和负电极通过柔性电路板引出壳体，并与驱动单元电连接；或者，将正电极和负电极通过电极棒引出壳体，并与驱动单元电连接。

Claims (14)

  1. 一种激光点烟装置，包括：
    壳体；
    透光容器，位于所述壳体中；
    激光发射单元，包括多个激光器；所述多个激光器设置在所述壳体与所述透光容器之间，所述多个激光器的出光方向朝向所述透光容器；
    所述透光容器中设置有待雾化原材料以及吸热材料，所述激光器设置为对所述待雾化原材料进行加热雾化；所述吸热材料设置为吸热以增大所述待雾化原材料的雾化程度。
  2. 根据权利要求1所述的激光点烟装置，其中，所述吸热材料在650-1550nm的波长范围内的吸收峰超过预设值；所述吸热材料包括石墨、碳化硅、陶瓷、金属、氧化物和氮化物中的至少一种。
  3. 根据权利要求2所述的激光点烟装置，其中，至少部分吸热材料呈粉末状，粉末状的吸热材料均匀混合在所述待雾化原材料中；
    其中，粉末状的吸热材料包括碳化硅粉、石墨粉、陶瓷粉、金属粉、氧化物粉、氮化物粉中的至少一种。
  4. 根据权利要求2或3所述的激光点烟装置，其中，至少部分吸热材料构成多孔疏松结构；或者，
    至少部分吸热材料构成吸热体；所述吸热体中包括至少一个设置为容纳所述待雾化原材料的挖空容腔；所述吸热体呈柱状结构、球状结构或者立方体结构；所述挖空容腔的形状包括圆形、椭圆形、多边形、环形和异形中的至少一种。
  5. 根据权利要求2或3所述的激光点烟装置，其中，至少部分吸热材料构成吸热薄膜，所述吸热薄膜覆盖在所述透光容器的部分内表面上。
  6. 根据权利要求1所述的激光点烟装置，还包括增透膜，所述增透膜覆盖在所述透光容器的外表面和内表面的至少一处。
  7. 根据权利要求1所述的激光点烟装置，还包括导热绝缘基板，所述导热绝缘基板通过焊料固定在所述壳体的内表面；所述多个激光器设置在所述导热绝缘基板远离所述壳体一侧的表面上，并与位于所述导热绝缘基板的表面上的电极层电连接；
    所述电极层包括正电极和负电极；所述正电极和所述负电极设置为通过柔性电路板引出所述壳体，并与驱动单元电连接；或者，所述正电极和所述负电极设置为通过电极棒引出所述壳体，并与驱动单元电连接。
  8. 根据权利要求7所述的激光点烟装置，其中，所述壳体的材料包括散热金属。
  9. 根据权利要求7所述的激光点烟装置，其中，所述导热绝缘基板的材料包括氮化铝、铜金刚石、氧化铍和氧化铝中的至少一种。
  10. 根据权利要求1所述的激光点烟装置，其中，所述透光容器的材料包括玻璃、碳化硅、陶瓷、氧化物和氮化物中的至少一种。
  11. 根据权利要求1所述的激光点烟装置，其中，所述激光发射单元中的多个激光器的类型包括边发射激光器、垂直腔面发射激光器、光子晶体激光器和水平腔面发射激光器中的至少一种。
  12. 根据权利要求1所述的激光点烟装置，其中，每一激光器的对面设置有光电探测器，所述激光器和所述光电探测器之间设置有光学结构；所述光学结构设置为将所述激光器的部分光导向所述光电探测器处。
  13. 根据权利要求12所述的激光点烟装置，其中，所述光学结构包括导光管，所述导光管设置在所述透光容器的壳体中。
  14. 一种激光点烟装置的制备方法，用于制备权利要求1～13任一所述的激光点烟装置，包括：
    提供金属热沉片；
    将多个激光器固定在所述金属热沉片的表面；
    提供一透光容器，将所述金属热沉片制备成包围所述透光容器的壳体；其中，所述多个激光器设置在所述壳体与所述透光容器之间，所述多个激光器的出光方向朝向所述透光容器；所述透光容器用于容纳待雾化原材料以及吸热材料，所述激光器用于对所述待雾化原材料进行加热雾化；所述吸热材料用于吸热以增大所述待雾化原材料的雾化程度。
PCT/CN2023/128607 2023-06-13 2023-10-31 激光点烟装置及其制备方法 Ceased WO2024255079A1 (zh)

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