Laser cigarette ignition device and method for manufacturing the same

Abstract

A laser tobacco ignition device and a method for manufacturing the same, wherein the laser tobacco ignition device includes a case (10), a light-transmitting container (20) located inside the case (10), and a laser light emission unit provided between the case (10) and the light-transmitting container (20) and including a plurality of lasers (30) whose light emission directions face the light-transmitting container (20). Among them, an atomization-ready raw material and an endothermic material are provided inside the light-transmitting container (20). The laser (30) is configured to heat and atomize the atomization-ready raw material, and the endothermic material is configured to absorb heat to increase the degree of atomization of the atomization-ready raw material.

Description

Technical Field

[0001] This application claims the priority of a U.S. provisional application with serial number 63 / 472,782, filed on June 13, 2023, and the priority of a Chinese patent application with application number 202311052241.6, filed on August 18, 2023, with the Chinese Patent Office. All the contents of the above applications are incorporated herein by reference.

[0002] The embodiments of this application relate to the technical field of lasers, for example, to a laser tobacco ignition device and a method for manufacturing the same.

Background Art

[0003] An e-cigarette is an electronic product that mimics a traditional cigarette, having a similar appearance, smoke, taste, and sensation. It is a product that uses means such as atomization to convert nicotine and the like into vapor and then allows users to inhale it.

[0004] The heating methods of e-cigarettes are mainly electrode heating and electromagnetic induction coil heating. Regarding the electrode heating method, usually, electrodes are plated on the surface of the ceramic, and the ceramic is processed into the shape of a "dagger" and inserted into raw materials such as tobacco leaves and e-liquid waiting to be atomized. However, the electrode heating method causes the temperature of raw materials such as tobacco leaves and e-liquid waiting to be atomized to reach 200 - 300 °C, so raw materials such as tobacco leaves and e-liquid waiting to be atomized will release multiple harmful substances to the human body. If the electromagnetic induction coil heating method is adopted, the heating temperature can avoid the release of multiple harmful substances to the human body by raw materials such as tobacco leaves and e-liquid waiting to be atomized. However, whether it is ceramic, a metal electrode plated on the surface of the ceramic, or a heavy metal material such as an electromagnetic induction coil, during long-term use or the process of dry burning, harmful substances will be released and inhaled into the body together with the atomized raw materials, causing damage to smokers themselves and being disadvantageous to environmental protection as well.

Summary of the Invention

[0005] Embodiments of the present application provide a laser cigarette ignition device and a manufacturing method thereof for reducing the emission amount of harmful substances during the heating process of a device and improving the environmental protection performance of the device.

[0006] The present application includes a case, a light-transmitting container located inside the case, and a laser light emitting unit provided between the case and the light-transmitting container and including a plurality of lasers whose light emission direction is toward the light-transmitting container. Inside the light-transmitting container, a raw material waiting to be atomized and a heat-absorbing material are provided. The laser is configured to heat and atomize the raw material waiting to be atomized, and the heat-absorbing material is configured to absorb heat to increase the degree of atomization of the raw material waiting to be atomized, thereby providing a laser cigarette ignition device.

[0007] Preferably, the heat-absorbing material has an absorption peak within the wavelength range of 650 to 1550 nm exceeding a preset value and includes at least one of graphite, ceramic, silicon carbide, metal, oxide, and nitride.

[0008] Preferably, at least a part of the heat-absorbing material is in a powder form, and the powdered heat-absorbing material is uniformly mixed with the raw material waiting to be atomized. Among them, the powdered heat-absorbing material includes at least one of silicon carbide powder, graphite powder, ceramic powder, metal powder, oxide powder, and nitride powder.

[0009] Preferably, at least a part of the heat-absorbing material forms a porous and sparse structure or constitutes a heat absorber. The heat absorber is provided with at least one hollow accommodation chamber configured to accommodate the raw material waiting to be atomized. The heat absorber has a columnar structure, a spherical structure, or a cubic structure. The shape of the hollow accommodation chamber includes at least one of circular, annular, elliptical, polygonal, and irregular shapes.

[0010] Preferably, at least a part of the heat absorption material forms a heat absorption film covering a part of the inner surface of the light-transmitting container.

[0011] Preferably, the laser cigarette ignition device further includes an antireflection film covering at least one location on the outer surface and the inner surface of the light-transmitting container.

[0012] Preferably, the laser cigarette ignition device further includes a thermally conductive insulating substrate fixed to the inner surface of the case by solder, and the plurality of lasers are provided on the surface of the thermally conductive insulating substrate far from the case, and are electrically connected to an electrode layer located on the surface of the thermally conductive insulating substrate. The electrode layer is configured to be drawn out from the case by a flexible wiring board and electrically connected to a driving unit, or includes a positive electrode and a negative electrode configured to be drawn out from the case by an electrode bar and electrically connected to the driving unit.

[0013] Preferably, the material of the case includes a heat-dissipating 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 plurality of lasers in the laser light unit include at least one of an end-emitting laser, a vertical cavity surface-emitting laser, a photonic crystal laser, and a horizontal cavity surface-emitting laser.

[0014] Preferably, a photodetector is provided on the facing surface of each laser, and an optical structure configured to guide a part of the light of the laser to the photodetector is provided between the laser and the photodetector.

[0015] Preferably, the optical structure includes a light guide tube provided in the case of the light-transmitting container.

[0016] This application provides a metal heat sink piece, fixes a plurality of lasers on the surface of the metal heat sink piece, provides a light-transmitting container, and manufactures the metal heat sink piece in a case surrounding the light-transmitting container, and the plurality of lasers are provided between the case and the light-transmitting container, the light-emitting direction faces the light-transmitting container, the light-transmitting container is used to accommodate the raw material waiting for atomization and the heat-absorbing material, the laser is used to heat and atomize the raw material waiting for atomization, and the heat-absorbing material is used to absorb heat to increase the degree of atomization of the raw material waiting for atomization. provides a manufacturing method of a laser cigarette ignition device for manufacturing the laser cigarette ignition device according to any embodiment of this application.

[0017] It should be understood that the content described in this part is not intended to identify the core or important features of the embodiments of this application, nor is it intended to limit the scope of this application. Other features of this application will be more easily understood from the following description.

Brief Description of the Drawings

[0018] Hereinafter, the drawings necessary for the description of the embodiments will be briefly introduced.

[0019]

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Embodiments for Carrying Out the Invention

[0020] Hereinafter, the technical solutions in the embodiments of the present application will be described in conjunction with the drawings in the embodiments of the present application.

[0021] The terms "first", "second", etc. in the specification, claims, and the above drawings of the present application are not necessarily used to explain a specific order or sequence, but are for distinguishing similar objects. Data used in this way can be replaced when appropriate, and it should be understood that the embodiments of the present application described here can be implemented in an order other than those illustrated or described here. Also, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion, for example, in addition to the series of steps or units of processes, methods, systems, products, or devices shown in the embodiments of the present application, other processes, methods, systems, products, or devices of this series of steps or units not explicitly listed, or other steps or units inherent to these processes, methods, systems, products, or devices may also be included.

[0022] The embodiments of the present application provide a laser tobacco ignition device. FIG. 1 is a schematic structural diagram of the laser tobacco ignition device according to the embodiments of the present application. FIG. 2 is an exploded view of the structure shown in FIG. 1. FIG. 3 is a schematic diagram of the bottom of the structure shown in FIG. 2. Referring to FIGS. 1 to 3, the laser tobacco ignition device includes a case 10, a light-transmitting container 20 located inside the case 10, and a laser light emitting unit provided between the case 10 and the light-transmitting container 20 and including a plurality of lasers 30 whose light-emitting directions face the light-transmitting container 20. Among them, an atomization-ready raw material and a heat-absorbing material are provided inside the light-transmitting container 20. The laser 30 is configured to heat and atomize the atomization-ready raw material. The heat-absorbing material is configured to absorb heat and increase the degree of atomization of the atomization-ready raw material.

[0023] The laser tobacco ignition device includes a case 10, a light-transmitting container 20, and a laser light emitting unit. Among them, the light-transmitting container 20 is configured to accommodate an atomization-ready raw material. The atomization-ready raw material may include solid tobacco or liquid tobacco, or may be other raw materials having entertainment properties, medical properties, etc. and capable of being heated and inhaled. However, the embodiments of the present application do not limit this. Since the light-transmitting container 20 is provided inside the case 10 and a plurality of lasers 30 are fixed to the inner surface of the case 10, several lasers 30 whose light-emitting directions face the light-transmitting container 20 are provided on the four sides or the bottom of the light-transmitting container 20. Due to the advantage of the coherent light of the laser light, the heat quantity of the laser light is transmitted to the atomization-ready raw material to realize heating and atomization of the atomization-ready raw material. The material of the light-transmitting container 20 needs to satisfy the need of being transmissible to the laser and includes one or more of glass, silicon carbide, ceramic, oxide, and nitride.

[0024] The case 10 may exhibit a columnar, spherical, or cubic shape. The light-transmitting container 20 may exhibit a cylindrical shape, or may be in a long shape or similar to a frying pan shape. In FIG. 1, it is exemplarily shown that the light-transmitting container 20 exhibits a cylindrical shape. In FIG. 4, it is exemplarily shown that the light-transmitting container 20 exhibits a frying pan shape. In FIG. 5, it is exemplarily shown that the light-transmitting container 20 exhibits a long shape. In the cross-section of the case 10, along the edge of the figure formed by the case 10, the lasers 30 may be arranged on a single side, may be arranged on both sides, or may be arranged on a plurality of sides. Preferably, these lasers 30 may be uniformly arranged on the outer periphery of the light-transmitting container 20 so that the energy of the lasers 30 can be transmitted more uniformly into the raw material waiting to be atomized.

[0025] Inside the light-transmitting container 20, there is further provided an endothermic material that does not decompose even at 200°C or higher and can preferably absorb the heat of the laser light, such as materials having a high absorption peak between 650 and 1550 nm, such as graphite, silicon carbide, ceramics, metals, oxides, and nitrides. These endothermic materials are configured to absorb the heat from the laser light and transfer it to the raw material waiting to be atomized, such as e-liquid or shag, so that the atomization of the raw material waiting to be atomized becomes easier.

[0026] The laser tobacco ignition device according to an embodiment of the present application, due to the advantage of the coherent light of the laser beam, transmits the heat of the laser beam to the raw material waiting for atomization, realizes heating and atomization of the raw material waiting for atomization, and the temperature heated by the laser beam can avoid the release of multiple types of harmful substances to the human body by the raw material waiting for atomization, and can also reduce or avoid the release of harmful substances by materials such as ceramics and metal electrodes in the device. And, since the laser is provided outside the light-transmitting container as a heat source, direct contact between the laser and the raw material waiting for atomization can be prevented, and the problem that the heat loss is large because the raw material waiting for atomization covers the electrode or the electronic coil can be solved, and the harmful substances released from materials such as ceramics and metal electrodes are reduced or avoided from being inhaled into the body together with the atomized raw material, reducing the damage to the smoker himself and improving the environmental protection of the electronic cigarette. In addition, a heat-absorbing material is provided in the light-transmitting container, and the heat-absorbing material can increase the degree of atomization of the raw material waiting for atomization and improve the user experience.

[0027] In one embodiment of the present application, preferably, at least a part of the heat-absorbing material is in a powder form, and the heat-absorbing material in powder form is uniformly mixed with the raw material waiting for atomization.

[0028] In the light-transmitting container 20, a heat-absorbing material that is difficult to decompose and can well absorb the heat of the laser beam is further provided. The added heat-absorbing material has an absorption peak within the wavelength range of 650 to 1550 nm exceeding the preset value, for example, a material having a high absorption peak between 650 and 1550 nm such as silicon carbide powder, graphite powder, ceramic powder, metal powder, oxide powder, nitride powder, nitride powder, etc. The heat-absorbing material in powder form may be uniformly mixed with the raw material waiting for atomization so that the heat can be uniformly transmitted to the raw material waiting for atomization and the raw material waiting for atomization can be sufficiently heated and atomized.

[0029] In one embodiment of the present application, FIG. 6 is a schematic structural diagram of a porous hydrophobic structure according to an embodiment of the present application. Referring to FIG. 6, at least a part of the heat-absorbing material constitutes a porous hydrophobic structure 103, and the raw material waiting for atomization is filled into the pores 104 of the porous hydrophobic structure 103.

[0030] FIG. 7 is a schematic structural diagram of a heat absorber according to an embodiment of the present application. Referring to FIG. 7, preferably, at least a part of the heat-absorbing material constitutes a heat absorber 101, and the heat absorber 101 is provided with at least one hollow accommodating chamber 100 configured to accommodate the raw material waiting for atomization. The heat absorber 101 has a columnar structure, a spherical structure or a cubic structure, and the shape of the hollow accommodating chamber 100 includes one or more of a circular shape, an annular shape, an elliptical shape, a polygonal shape and an irregular shape.

[0031] The heat-absorbing material added to the light-transmitting container 20 may be in a columnar structure, a spherical structure or a cubic structure, and a plurality of hollow accommodating chambers 100 with various shapes may be formed by hollowing out inside the three-dimensional structure. As a result, it is convenient to fill and accommodate the raw material waiting for atomization in the hollow accommodating chamber 100, and the heat-absorbing material can absorb more heat and transfer it to the raw material waiting for atomization. Exemplarily, in FIG. 7, one annular groove and one circular groove are formed in the heat absorber 101, and each groove is a hollow accommodating chamber 100, and the raw material waiting for atomization is filled into the grooves of the heat absorber 101. A plurality of annular grooves may be formed in the heat absorber 101. In order to make the atomization degree of the raw material waiting for atomization higher, the light-transmitting container 20 may be provided with a heat-absorbing material in a three-dimensional structure state and a heat-absorbing material in a powder state.

[0032] In one embodiment of the present application, FIG. 8 is a schematic structural diagram of a heat-absorbing film on the inner surface of a light-transmitting container according to an embodiment of the present application. Referring to FIG. 8, at least a part of the heat-absorbing material constitutes a heat-absorbing film 102 covering a part of the inner surface of the light-transmitting container 20. That is, by coating a material that can well absorb the heat of the laser light inside the light-transmitting container 20 as described above, the atomization of the raw material waiting for atomization may be promoted. Since it is necessary to observe the state of the tobacco liquid, such coating may be semi-coated.

[0033] The laser cigarette ignition device may include a powdery heat-absorbing material, a porous hydrophobic structure 103 made of the heat-absorbing material, a heat absorber 101, and a heat-absorbing film 102, or may include one or any plurality of them.

[0034] In one embodiment of the present application, the laser cigarette ignition device further includes an anti-reflection film 105. As shown in FIG. 2, the anti-reflection film 105 covers at least one location on the outer surface and the inner surface of the light-transmitting container 20. It can be understood that a film corresponding to the surface of the light-transmitting container 20 can be plated according to the wavelength of the laser 30 to achieve a higher transmittance so that the atomization degree of the raw material waiting for atomization becomes higher.

[0035] In one embodiment of the present application, FIG. 9 is a structural schematic diagram of another laser cigarette ignition device according to the embodiment of the present application, and FIG. 10 is an exploded view of the structure shown in FIG. 9. With reference to FIGS. 9 and 10 and in connection with FIGS. 1 to 3, the laser cigarette ignition device further includes a thermally conductive insulating substrate 40 fixed to the inner surface of the case 10 by solder. The laser 30 is provided on the surface of the thermally conductive insulating substrate 40 far from the case 10 and is electrically connected to an electrode layer located on the surface of the thermally conductive insulating substrate 40. Among them, the electrode layer includes a positive electrode and a negative electrode. The positive electrode and the negative electrode are drawn out from the case 10 by a flexible wiring board 50 and electrically connected to a driving unit, or are drawn out from the case 10 by an electrode bar 60 and electrically connected to the driving unit.

[0036] The bottom of the laser 30 is supported by a thermally conductive insulating substrate 40, and on the surface of the thermally conductive insulating substrate 40, there is a metal layer in a certain pattern that is electrically connected to the laser 30. A plurality of lasers 30 can be mounted on the surface of the metal layer by solder such as silver paste, indium, gold tin, tin silver copper, or tin bismuth. The metal layer is provided with a positive electrode and a negative electrode that are electrically connected to the positive and negative electrodes of the laser 30, respectively. The thermally conductive insulating substrate 40 may be a high thermally conductive insulating substrate such as aluminum nitride, copper diamond, beryllium oxide, or aluminum oxide. This facilitates the heat dissipation of the laser 30 and can also reduce harmful substances emitted from the metal layer on the surface of the thermally conductive insulating substrate 40. Also, the material of the case 10 may be a heat-dissipating metal. The heat-dissipating metal of the case 10 may be a high thermally conductive metal such as copper and / or aluminum, thereby further performing effective heat dissipation for the laser 30.

[0037] A metal electrode bar 60 may be employed to lead out the positive and negative electrodes of the laser 30 (as shown in FIGS. 9 and 10), or a flexible tape of a flexible printed circuit board (FPCB) 50 may be employed to lead out the positive and negative electrodes of the laser 30 (as shown in FIGS. 1 to 3). The metal electrode bar 60 or the flexible printed circuit board 50 is inserted into a printed circuit board (PCB) by a method such as surface mount technology (SMT) to realize the electrical connection between the laser 30 and the drive circuit. By providing a circuit with certain functions on the PCB, the driving of the laser 30 can be realized. The driving conditions are that the laser 30 is in a continuous mode or a quasi-continuous wave (QCW) mode. For example, it may be turned on for 1 second and turned off for 10 seconds, with a pulse width of 10 ns to 1 second, a duty ratio of 1% to 100%, and a peak power of 1 W to 500 W. When the number of lasers 30 is large, different holes or pads are provided on the PCB, and the metal electrode bar 60 or the FPCB 50 for leading out the electrodes of the laser 30 is uniformly welded to the surface of the PCB to realize a uniform distribution of the lasers 30.

[0038] The type of the laser 30 in the laser light emitting unit includes one or more of an end - 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 - 1550 nm. In order to achieve a higher peak power, the bonding number range may be 1 - 10, and the number range of the lasers 30 may be 1 - 1000, which is set according to actual needs, and the embodiments of the present application do not limit this.

[0039] In one embodiment of the present application, a photodetector is provided on the surface opposite to the laser 30. The photodetector is configured to detect the operating state of the laser light and prevent the situation that the failure of the laser 30 cannot be timely detected. An optical structure is provided between the laser 30 and the photodetector. The optical structure is configured to guide a part of the light of the laser 30 to the photodetector so that the photodetector can detect the operating state of the laser 30. Among them, the optical structure may be a light - guiding tube or other specific optical path design. The light - guiding tube or other specific optical path design may be provided in the case of the light - transmissive container 20, thereby preventing the light - guiding tube or other specific optical path design from affecting the space occupied by the raw material waiting for atomization and the absorption of heat when it is provided in the hollow accommodation chamber 100 of the light - transmissive container 20 together with the raw material waiting for atomization.

[0040] The embodiments of the present application further provide a manufacturing method of a laser cigarette ignition device for manufacturing the laser cigarette ignition device described in any of the above embodiments. FIG. 11 is a flowchart of the manufacturing method of the laser cigarette ignition device according to the embodiment of the present application. Referring to FIG. 11, the manufacturing method of the laser cigarette ignition device includes the following.

[0041] In S110, a metal heat - sink piece is provided.

[0042] In S120, a plurality of lasers are fixed on the surface of the metal heat - sink piece.

[0043] In S130, a light-transmissive container is provided, and a metal heat sink piece is manufactured in a case surrounding the light-transmissive container. Among them, a plurality of lasers are provided between the case and the light-transmissive container, the light-emitting direction of the lasers faces the light-transmissive container, the light-transmissive container is used to accommodate the raw material waiting to be atomized and the heat-absorbing material, the lasers are used to heat and atomize the raw material waiting to be atomized, and the heat-absorbing material is used to increase the degree of atomization of the raw material waiting to be atomized.

[0044] The metal heat sink piece has a planar structure and may have a corner shape. As a result, the case surrounding the light-transmitting container made of the metal heat sink piece may exhibit a columnar, spherical, or cubic shape. The light-transmitting container may have a cylindrical shape, or may be long-shaped or similar to a frying pan shape. The raw material waiting to be atomized is accommodated in the light-transmitting container. The raw material waiting to be atomized may include solid tobacco leaves or liquid tobacco liquid, or may be other raw materials having entertainment or medical properties and capable of being heated and inhaled, but the embodiments of the present application are not limited thereto. Since a plurality of lasers are fixed to the inner surface of the case, several lasers with the light-emitting direction facing the light-transmitting container are provided around the perimeter or at the bottom end of the light-transmitting container. Due to the superiority of the coherent light of the laser light, the heat quantity of the laser light is transmitted to the raw material waiting to be atomized, realizing heating and atomization of the raw material waiting to be atomized. The material of the light-transmitting container needs to include one or more of glass, silicon carbide, ceramic, oxide, and nitride, and meet the requirement that the laser light can be transmitted. In the cross-section of the case, along the edge of the figure formed by the case, the lasers may be arranged on a single side, on both sides, or on a plurality of sides. Preferably, several lasers are provided around the perimeter or at the bottom end of the light-transmitting container, and these lasers may be uniformly arranged on the outer periphery of the light-transmitting container so that the energy of the lasers can be transmitted more uniformly into the raw material waiting to be atomized. Further provided in the light-transmitting container is a heat-absorbing material that does not decompose even at 200 °C or higher and can preferably absorb the heat quantity of the laser light, such as a material having a high absorption peak between 650 and 1550 nm, such as graphite, ceramic, metal, oxide, nitride, etc. These heat-absorbing materials are used to absorb the heat quantity from the laser light and transmit it to the tobacco liquid or shag so that the atomization of the raw material waiting to be atomized becomes easier.

[0045] The manufacturing method of the laser tobacco ignition device according to the embodiment of the present application provides a laser around a light-transmitting container that houses the raw material waiting for atomization, utilizes the superiority of the coherent light of the laser beam, and transmits the heat quantity of the laser beam to the raw material waiting for atomization, thereby realizing heating and atomization of the raw material waiting for atomization. The temperature for heating by the laser beam can avoid the release of a plurality of harmful substances to the human body caused by the raw material waiting for atomization. And, since the laser is provided outside the light-transmitting container as a heat source, direct contact between the laser and the raw material waiting for atomization can be prevented, and the problem that the heat loss becomes large because the raw material waiting for atomization covers the electrode or the electronic coil can be solved. Also, since the laser is provided outside the light-transmitting container as a heat source, the release of harmful substances due to materials such as ceramic and metal electrodes can be reduced or avoided, the damage to the smoker himself can be reduced, and the environmental protection of the electronic cigarette can be improved. Further, a heat-absorbing material is provided in the light-transmitting container, and the degree of atomization of the raw material waiting for atomization can be increased by the heat-absorbing material, and the user experience can be improved.

[0046] FIG. 12 is a flowchart of another manufacturing method of the laser tobacco ignition device according to the embodiment of the present application. Referring to FIG. 12, the manufacturing method of the laser tobacco ignition device includes the following.

[0047] In S210, a metal heat sink piece is provided.

[0048] In S220, a thermally conductive insulating substrate is bonded to the metal heat sink piece, and the thermally conductive insulating substrate and the metal heat sink piece are connected by solder. The solder may include silver paste, indium, tin-silver-copper, tin-bismuth, or gold-tin, etc.

[0049] In S230, a plurality of lasers are mounted on the metal layer on the surface of the thermally conductive insulating substrate by solder. Among them, the metal layer is provided with a positive electrode and a negative electrode that are electrically connected to the positive electrode and the negative electrode of the laser, respectively.

[0050] In S240, the positive electrode and the negative electrode are drawn out from the case by a flexible wiring board and electrically connected to the drive unit, or the positive electrode and the negative electrode are drawn out from the case by an electrode rod and electrically connected to the drive unit.

Claims

1. A case, A light-transmissive container located inside the case, A laser light emission unit provided between the case and the light-transmissive container, comprising a plurality of lasers whose light emission directions face the light-transmissive container, In the light-transmissive container, a raw material waiting to be atomized and a heat-absorbing material are provided. The laser is configured to heat and atomize the raw material waiting to be atomized, and the heat-absorbing material is configured to absorb heat to increase the degree of atomization of the raw material waiting to be atomized, A laser cigarette ignition device.

2. The heat-absorbing material has an absorption peak within the wavelength range of 650 to 1550 nm exceeding a preset value and contains at least one of graphite, silicon carbide, ceramic, metal, oxide, and nitride, The laser cigarette ignition device according to Claim 1.

3. At least a part of the heat-absorbing material is in powder form, The powdered heat-absorbing material containing at least one of silicon carbide powder, graphite powder, ceramic powder, metal powder, oxide powder, and nitride powder is uniformly mixed with the raw material waiting to be atomized, The laser cigarette ignition device according to Claim 2.

4. At least a part of the heat-absorbing material, constitutes a porous and sparse structure, or, is configured to accommodate the raw material waiting to be atomized and constitutes a heat-absorbing body having at least one hollow accommodation chamber including at least one of circular, elliptical, polygonal, annular, and irregular shapes, presenting a columnar structure, spherical structure, or cubic structure, The laser cigarette ignition device according to Claim 2 or 3.

5. At least a part of the heat-absorbing material constitutes a heat-absorbing film covering a part of the inner surface of the light-transmissive container, The laser cigarette ignition device according to Claim 2 or 3.

6. Further comprising an antireflection film covering at least one location on the outer surface and the inner surface of the light-transmissive container, The laser cigarette ignition device according to Claim 1.

7. Further comprising a heat-conducting insulating substrate fixed to the inner surface of the case by solder. The plurality of lasers are provided on the surface of the heat-conducting insulating substrate far from the case and are electrically connected to an electrode layer located on the surface of the heat-conducting insulating substrate, The electrode layer is configured to be drawn out from the case by a flexible wiring board and electrically connected to a driving unit, or comprises a positive electrode and a negative electrode configured to be drawn out from the case by an electrode bar and electrically connected to a driving unit, The laser tobacco ignition device according to claim 1.

8. The material of the case includes a heat-dissipating metal. The laser tobacco ignition device according to claim 7.

9. The material of the thermally conductive insulating substrate includes at least one of aluminum nitride, copper diamond, beryllium oxide, and aluminum oxide. The laser tobacco ignition device according to claim 7.

10. The material of the light-transmitting container includes at least one of glass, silicon carbide, ceramic, oxide, and nitride. The laser tobacco ignition device according to claim 1.

11. The types of the plurality of lasers in the laser light emitting unit include at least one of an end-emitting laser, a vertical cavity surface emitting laser, a photonic crystal laser, and a horizontal cavity surface emitting laser. The laser tobacco ignition device according to claim 1.

12. A photodetector is provided on the opposing surface of each laser, and an optical structure is provided between the laser and the photodetector to guide a part of the light of the laser to the photodetector. The laser tobacco ignition device according to claim 1.

13. The optical structure includes a light guide tube provided in the case of the light-transmitting container. The laser tobacco ignition device according to claim 12.

14. A manufacturing method of a laser tobacco ignition device for manufacturing the laser tobacco ignition device according to any one of claims 1 to 13, providing a metal heat sink piece; fixing a plurality of lasers on the surface of the metal heat sink piece; providing a light-transmitting container and manufacturing the metal heat sink piece into a case surrounding the light-transmitting container, wherein the plurality of lasers are provided between the case and the light-transmitting container, the light-emitting direction is toward the light-transmitting container, the light-transmitting container is used to accommodate a raw material waiting for atomization and an endothermic material, the laser is used to heat and atomize the raw material waiting for atomization, and the endothermic material is used to absorb heat to increase the degree of atomization of the raw material waiting for atomization. Manufacturing method of laser tobacco ignition device.

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