Laser cigarette lighting device and preparation method thereof

Abstract

The embodiment of the invention discloses a laser cigarette lighting device and a preparation method thereof. The laser cigarette lighting device comprises a shell, a laser light source and a light source, the light-transmitting container is positioned in the shell; the laser emitting unit comprises a plurality of lasers; the multiple lasers are arranged between the shell and the light-transmitting container, and the light emitting directions of the lasers face the light-transmitting container; wherein a to-be-atomized raw material and a heat absorption material are arranged in the light-transmitting container, and the laser is used for heating and atomizing the to-be-atomized raw material; the heat absorption material is used for absorbing heat to increase the atomization degree of the to-be-atomized raw material. The release amount of harmful substances in the heating process of the device is reduced, and the environmental protection property of the device is improved.

Description

Technical Field

[0001] The embodiments of the present invention relate to the field of laser technology, and in particular to a laser cigarette lighting device and a preparation method thereof.

[0002] Cross-references and priority claims

[0003] This patent application claims priority to U.S. provisional application "Laser cigarette lighting apparatus and manufacturing method thereof" with provisional patent application serial number 63 / 472,782 filed on June 13, 2023, and the entire contents of the above-mentioned U.S. provisional application are incorporated herein by reference. Background Art

[0004] 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.

[0005] At present, the heating methods of electronic cigarettes are mainly electrode heating and electronic induction coil heating. For the electrode heating method, electrodes are usually plated on the surface of ceramics, and the ceramics are processed into a "dagger" shape to be inserted into tobacco leaves or tobacco oil waiting for atomization; however, the electrode heating method will make the temperature of tobacco leaves or tobacco oil waiting for atomization reach 200-300℃, causing tobacco leaves or tobacco oil waiting for atomization to release various substances harmful to the human body; using the electronic induction coil heating method, the heating temperature can prevent tobacco leaves or tobacco oil waiting for atomization from releasing various substances harmful to the human body; however, whether it is ceramics, metal electrodes plated on the surface of ceramics, or heavy metal materials such as electronic induction coils, they will release some harmful substances during long-term use or dry burning. As the atomized raw materials are inhaled into the body, they will cause harm to the smoker himself, and are also not conducive to environmental protection. Summary of the invention

[0006] The embodiment of the present invention 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 protection of the device.

[0007] According to one aspect of the present invention, there is provided a laser cigarette lighting device, comprising:

[0008] case;

[0009] A light-transmitting container, located in the shell;

[0010] 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 direction of the lasers is toward the light-transmitting container;

[0011] The light-transmitting container contains a raw material to be atomized and a heat-absorbing material. The laser is used to heat and atomize the raw material to be atomized. The heat-absorbing material is used to absorb heat to increase the degree of atomization of the raw material to be atomized.

[0012] Optionally, 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 one or more of graphite, ceramics, silicon carbide, metals, oxides and nitrides.

[0013] Optionally, the heat absorbing material is in powder form, and the powdered heat absorbing material is uniformly mixed in the raw material to be atomized;

[0014] The powdered heat absorbing material includes one or more of silicon carbide powder, graphite powder, ceramic powder, metal powder, oxide powder and nitride powder.

[0015] Optionally, at least part of the heat absorbing material is used to form a porous loose structure; or,

[0016] At least part of the heat absorbing material is used to form a heat absorbing body; the heat absorbing body includes at least one hollowed-out cavity for accommodating the raw material to be atomized;

[0017] The heat absorber is in a columnar structure, a spherical structure or a cubic structure;

[0018] The shape of the hollowed-out cavity includes one or more of a circular shape, an annular shape, an elliptical shape, a polygonal shape and a special shape.

[0019] Optionally, at least part of the heat absorbing material is used to form an absorption film, and the absorption film covers part of the inner surface of the light-transmitting container;

[0020] And / or, 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.

[0021] Optionally, the laser cigarette lighter device further comprises an insulating substrate, which is fixed to the inner surface of the shell by solder; the laser is arranged on the surface of the insulating substrate away from the shell, and is electrically connected to the electrode layer located on the surface of the insulating substrate;

[0022] 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 through a flexible circuit board and are electrically connected to the drive unit; or, the positive electrode and the negative electrode are led out of the shell through an electrode rod and are electrically connected to the drive unit.

[0023] Optionally, the material of the housing includes heat dissipation metal;

[0024] The material of the insulating substrate includes one or more of ceramic, aluminum nitride, copper diamond, beryllium oxide and aluminum oxide;

[0025] The material of the light-transmitting container includes one or more of glass, silicon carbide, ceramic, oxide and nitride;

[0026] The type of laser in the laser unit includes one or more of edge emitting laser, vertical cavity surface emitting laser, photonic crystal laser and horizontal cavity surface emitting laser.

[0027] Optionally, a photodetector is arranged opposite to the laser, and an optical structure is arranged between the laser and the photodetector; the optical structure is used to guide part of the light of the laser to the photodetector.

[0028] Optionally, the optical structure includes a light guide tube, and the light guide tube is arranged in the shell of the light-transmitting container.

[0029] According to another aspect of the present invention, a method for preparing a laser cigarette lighter device is provided, which is used to prepare the laser cigarette lighter device according to any embodiment of the present invention, comprising:

[0030] Provide metal heat sink;

[0031] Fixing a plurality of lasers on the surface of the metal heat sink;

[0032] A light-transmitting container is provided, and the metal heat sink is prepared into a shell surrounding the light-transmitting container; wherein a plurality of the 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 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.

[0033] The technical solution provided by the embodiment of the present invention uses 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. The temperature of laser heating can prevent the raw material to be atomized from releasing various 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; and the laser is used as a heating source and is arranged outside the light-transmitting container, 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 the prior art; and can reduce or avoid the harmful substances released by materials such as ceramics and metal electrodes being inhaled into the body with the atomized raw materials, thereby reducing the harm caused to the smoker himself and improving the environmental protection of the electronic cigarette. In addition, a heat-absorbing material is arranged 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.

[0034] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0036] Figure 1 is a schematic structural diagram of a laser cigarette lighting device provided by an embodiment of the present invention;

[0037] Figure 2 yes Figure 1 A disassembled view of the structure shown;

[0038] Figure 3 yes Figure 2 A schematic diagram of the bottom of the structure shown;

[0039] Figure 4 is a schematic structural diagram of a light-transmitting container provided by an embodiment of the present invention;

[0040] Figure 5 is a schematic structural diagram of another light-transmitting container provided by an embodiment of the present invention;

[0041] Figure 6 is a schematic structural diagram of a porous loose structure provided by an embodiment of the present invention;

[0042] Figure 7is a schematic structural diagram of another heat absorber provided by an embodiment of the present invention;

[0043] Figure 8 It is a schematic diagram of the structure of a heat-absorbing film on the inner surface of a light-transmitting container provided by an embodiment of the present invention;

[0044] Fig. 9 is a schematic structural diagram of a laser cigarette lighting device provided by an embodiment of the present invention;

[0045] Fig.10 yes Fig. 9 A disassembled view of the structure shown;

[0046] Fig.11 is a flow chart of a method for preparing a laser cigarette lighting device provided by an embodiment of the present invention;

[0047] Fig.12 The figure is a flow chart of another method for preparing a laser cigarette lighting device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0048] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0049] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0050] The embodiment of the present invention provides a laser cigarette lighting device. Figure 1 is a schematic structural diagram of a laser cigarette lighting device provided by an embodiment of the present invention, Figure 2 yes Figure 1 The disassembly diagram of the structure shown, Figure 3 yes Figure 2 Bottom schematic diagram of the structure shown, refer to Figure 1 to Figure 3, the laser cigarette lighter device includes:

[0051] Housing 10;

[0052] A light-transmitting container 20 is located in the housing 10;

[0053] The laser emitting unit includes a plurality of lasers 30 ; the plurality of lasers 30 are disposed between the housing 10 and the light-transmitting container 20 , and the light-emitting direction of the lasers 30 is toward the light-transmitting container 20 ;

[0054] The light-transmitting container 20 contains raw materials to be atomized and heat-absorbing materials. The laser 30 is used to heat and atomize the raw materials to be atomized. The heat-absorbing materials are used to absorb heat to increase the degree of atomization of the raw materials to be atomized.

[0055] Specifically, the laser cigarette lighting device includes a shell 10, a light-transmitting container 20 and a laser emitting unit. Among them, the light-transmitting container 20 is used 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 embodiment of the present invention. 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. Through the coherent light advantage of the laser, the heat of the laser is transferred to the raw materials to be atomized, and the raw materials to be atomized are heated and atomized. 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.

[0056] The shell 10 may be in a columnar, spherical or cubic shape. The light-transmitting container 20 may be in a cylindrical shape, or in a long strip shape, or in a pan-like shape. Figure 1 The light-transmitting container 20 is exemplarily shown to be cylindrical. Figure 4 The light-transmitting container 20 is exemplarily shown in the figure as being in the shape of a pan. Figure 5 The light-transmitting container 20 is exemplarily shown in the figure as a long strip. In the cross section of the shell 10, along the edge of the pattern formed by the shell 10, the lasers 30 can be arranged on one side, on both sides, or on multiple sides. Preferably, 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 transferred to the raw material to be atomized.

[0057] Heat absorbing materials that do not decompose above 200°C and can be well absorbed by laser light are also provided in the light-transmitting container 20, such as graphite, silicon carbide, ceramics, metals, oxides and nitrides, etc., which have a relatively high absorption peak between 650-1550nm. These heat absorbing materials are used to absorb the heat from the laser light and transfer the heat to the raw materials such as tobacco oil or tobacco shreds to be atomized, so that the atomization of the raw materials to be atomized can be carried out more easily.

[0058] The laser cigarette lighting device provided by the embodiment of the present invention uses 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. The temperature of laser heating can prevent the raw material to be atomized from releasing various 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; and the laser is used as a heating source and is arranged outside the light-transmitting container, 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 the prior art; and can 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 harm caused to the smoker himself and improving the environmental protection of the electronic cigarette. In addition, a heat-absorbing material is arranged 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.

[0059] In one embodiment of the present invention, optionally, 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.

[0060] Specifically, a heat absorbing material that is not easy to decompose and can be well absorbed by the laser is also provided in the light-transmitting container 20, and 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 and other materials with a higher 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.

[0061] In one embodiment of the present invention, Figure 6 is a schematic diagram of a porous loose structure provided by an embodiment of the present invention, with reference to Figure 6 At least part of the heat absorbing material is used to form a porous loose structure 103 , and the raw material to be atomized is filled in the pores 104 of the porous loose structure 103 .

[0062] or, Figure 7 is a schematic diagram of the structure of another heat absorber provided by an embodiment of the present invention, with reference to FIG. Figure 7Optionally, at least part of the heat absorbing material is used to form the heat absorbing body 101; the heat absorbing body 101 includes at least one hollow cavity 100 for accommodating the raw material to be atomized; the heat absorbing body 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.

[0063] Specifically, 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, and the interior of the three-dimensional structure can be hollowed out to form a hollow cavity 100 of various shapes, which is convenient for filling and accommodating the raw materials to be atomized, and can absorb more heat to transfer to the raw materials to be atomized. Figure 7 In the embodiment, the heat absorber 101 forms a ring-shaped and a circular groove, each groove is a hollowed-out cavity 100, and the raw material to be atomized is filled in the groove of the heat absorber 101. The heat absorber 101 can also form multiple ring-shaped grooves. The light-transmitting container 20 can simultaneously have 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 material to be atomized.

[0064] Based on the above embodiments, in one embodiment of the present invention, Figure 8 is a schematic diagram of the structure of a heat-absorbing film on the inner surface of a light-transmitting container provided by an embodiment of the present invention, with reference to Figure 8 At least part of the heat absorbing material is used to form the heat absorbing film 102, and the heat absorbing film 102 covers part of the inner surface of the light-transmitting container 20. In other words, the above materials that can be well absorbed by the laser can also be coated inside the light-transmitting container 20 to promote the atomization of the raw material to be atomized. Since the state of the smoke oil needs to be observed, this coating only needs to be half-coated.

[0065] The laser cigarette lighter device may include a powdered heat-absorbing material, a porous loose structure formed by the heat-absorbing material, a heat-absorbing body and a heat-absorbing film, or may include one or any combination of these.

[0066] On the basis of the above embodiments, in one embodiment of the present invention, the laser cigarette lighter device further comprises an anti-reflection film, which covers at least one of the outer surface and the inner surface of the light-transmitting container 20. It can be understood that the surface of the light-transmitting container 20 can be plated with a corresponding film 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.

[0067] Based on the above embodiments, in one embodiment of the present invention, Fig. 9 is a schematic structural diagram of a laser cigarette lighting device provided by an embodiment of the present invention, Fig.10 yes Fig. 9 For the disassembly diagram of the structure shown, please refer to Fig. 9 and Fig.10 , and combined with Figure 1 to Figure 3 The laser cigarette lighter device further comprises a heat-conducting insulating substrate 40, which is fixed to the inner surface of the housing 10 by solder; the laser 30 is arranged on the surface of the heat-conducting insulating substrate 40 away from the housing 10, and is electrically connected to the electrode layer on the surface of the heat-conducting insulating substrate 40;

[0068] Among them, 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.

[0069] Specifically, the bottom of the laser 30 is supported by a heat-conducting insulating substrate 40, and there is a metal layer with a certain pattern on the surface of the heat-conducting insulating substrate 40, which is used for the electrical connection of the laser 30. Each laser 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; and then the other polarity of the laser 30 is connected by a gold wire. The heat-conducting insulating substrate 40 can be a high-thermal-conducting insulating substrate 40 such as aluminum nitride, copper diamond, beryllium oxide or aluminum oxide, so as to facilitate the heat dissipation of the laser 30. It is also possible to reduce or release harmful substances from the metal layer on the surface of the heat-conducting insulating substrate 40. In addition, 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-thermal-conducting metal such as copper and / or aluminum, so as to further effectively dissipate the heat of the laser 30.

[0070] Metal electrode rods 60 can be used to lead out the positive and negative electrodes of the laser 30 (such as Fig. 9 and Fig.10 ), or use FPC soft tape to lead out the positive and negative electrodes of the laser 30 (such as Figure 1 to Figure 3 ). The metal electrode rod 60 or the flexible printed circuit 50 (Flexible Printed Circuit, FPC) is inserted into the PCB functional board through surface mount technology (Surface Mount Technology, SMT) and other methods to realize the electrical connection between the laser 30 and the driving circuit. A circuit with certain functions is set on the PCB functional board to realize the driving of the laser 30. The driving conditions can be continuous mode or QCW mode, such as 1sec on, 10sec off, pulse width from 10ns-1sec, duty cycle from 1% to 100%, and peak power from 1W-500W. When the number of lasers 30 is large, different holes or pads can be set on the PCB functional board, and the metal electrode rod 60 or FPC used to lead out the electrode of the laser 30 can be evenly welded to the surface of the PCB functional board to achieve uniform distribution of the lasers 30.

[0071] The type of laser 30 in the laser unit includes one or more of edge emitting laser 30, vertical cavity surface emitting laser 30, photonic crystal laser 30 and horizontal cavity surface emitting laser 30. The wavelength range of laser 30 is 650-1550nm, the number of knots can range from 1-10 knots, and it is used to achieve higher peak power. The number of lasers 30 can range from 1-1000. It is set according to actual needs, and the embodiment of the present invention does not limit this.

[0072] On the basis of the above embodiments, in one embodiment of the present invention, a photodetector is provided opposite to the laser 30, and the photodetector is used 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 used 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. Among them, the optical structure can be a light guide or other specific light path design. The light guide or other specific light path design can be provided in the shell 10 of the light-transmitting container 20 to prevent the light guide or other specific light path design from being provided together with the raw material to be atomized in the cavity 100 of the light-transmitting container 20, which affects the space occupied and heat absorption of the raw material to be atomized.

[0073] The embodiment of the present invention further provides a method for preparing a laser cigarette lighter device, which is used to prepare the laser cigarette lighter device described in any of the above embodiments. Fig.11 is a flow chart of a method for preparing a laser cigarette lighting device provided by an embodiment of the present invention, with reference to Fig.11 , the preparation method of the laser cigarette lighting device comprises:

[0074] S110. Provide a metal heat sink.

[0075] S120, fixing a plurality of lasers on the surface of the metal heat sink.

[0076] 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.

[0077] Specifically, the metal heat sink is a planar structure, and its shape may have a corner shape, so that the metal heat sink is prepared into a shell surrounding the light-transmitting container in a columnar, spherical or cubic shape. The light-transmitting container may be cylindrical, or it may be a long strip, or it may be similar to a pan. The light-transmitting container contains the raw materials to be atomized. The raw materials to be atomized may 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 embodiment of the present invention. 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. Through the coherent light advantage of the laser, the heat of the laser is transferred to the raw materials to be atomized, and the raw materials to be atomized are heated and atomized. The material of the light-transmitting container includes one or more of glass, silicon carbide, ceramics, oxides and nitrides, and needs to meet the requirement of laser transparency. In the cross section of the shell, along the edge of the figure formed by the shell, the lasers can be arranged unilaterally, bilaterally, or multilaterally. Preferably, 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 be well absorbed by the laser 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.

[0078] The preparation method of the laser cigarette lighting device provided by the embodiment of the present invention is to set a laser around the light-transmitting container containing the raw material to be atomized, and use 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 various substances harmful to the human body; and the laser is used as a heating source and is set outside the light-transmitting container, which can prevent the laser from directly contacting the raw material to be atomized, and can solve the problem of the raw material to be atomized covering the electrode or electronic coil in the prior art, resulting in increased heat loss; in addition, the laser is used as a heating source and is set outside the light-transmitting container, 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. In addition, a heat-absorbing material is set 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.

[0079] Fig.12 is a flow chart of another method for preparing a laser cigarette lighting device provided by an embodiment of the present invention, with reference to Fig.12 , the preparation method of the laser cigarette lighting device comprises:

[0080] S210. Provide a metal heat sink.

[0081] S220, bonding the heat-conducting insulating substrate to the metal heat sink; connecting the heat-conducting insulating substrate and the metal heat sink by solder. Specifically, the solder may include silver paste, indium, tin-silver-copper, tin-bismuth or gold-tin.

[0082] S230, mounting a plurality of lasers on a metal layer on the surface of a thermally conductive insulating substrate by soldering; wherein the metal layer comprises a positive electrode and a negative electrode, which are electrically connected to the positive electrode and the negative electrode of the laser respectively.

[0083] 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.

[0084] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A laser cigarette lighter device, characterized in that: include: case; A light-transmitting container, located in the shell; A laser emitting unit, comprising a plurality of lasers; A plurality of the lasers are arranged between the housing and the light-transmitting container, and the light emitting directions of the 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 used to heat and atomize the raw material to be atomized. The heat-absorbing material is used to absorb heat to increase the degree of atomization of the raw material to be atomized.

2. The laser cigarette lighter device according to claim 1, characterized in that: The absorption peak of the heat-absorbing material in the wavelength range of 650-1550nm exceeds a preset value; the heat-absorbing material includes one or more of graphite, silicon carbide, ceramics, metals, oxides and nitrides.

3. The laser cigarette lighter device according to claim 2, characterized in that: At least part of the endothermic material is in powder form, and the powdered endothermic material is uniformly mixed in the raw material to be atomized; The powdered heat absorbing material includes one or more of silicon carbide powder, graphite powder, ceramic powder, metal powder, oxide powder and nitride powder.

4. The laser cigarette lighting device according to claim 2 or 3, characterized in that: At least part of the heat absorbing material is used to form a porous loose structure; or, At least part of the heat absorbing material is used to form a heat absorbing body; the heat absorbing body includes at least one hollowed-out cavity for accommodating the raw material to be atomized; the heat absorbing body is in a columnar structure, a spherical structure or a cubic structure; the shape of the hollowed-out cavity includes one or more of a circular shape, an elliptical shape, a polygonal shape, an annular shape and an irregular shape.

5. The laser cigarette lighting device according to claim 2 or 3, characterized in that: At least part of the heat absorbing material is used to form an absorption film, and the absorption film covers part of the inner surface of the light-transmitting container; And / or, 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.

6. The laser cigarette lighter device according to claim 1, characterized in that: It also includes a heat-conducting insulating substrate, which is fixed to the inner surface of the shell by solder; the laser is arranged on the surface of the heat-conducting insulating substrate away from the shell, and is electrically connected to the electrode layer located on the surface of the heat-conducting insulating substrate; 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 through a flexible circuit board and are electrically connected to the drive unit; or, the positive electrode and the negative electrode are led out of the shell through an electrode rod and are electrically connected to the drive unit.

7. The laser cigarette lighter device according to claim 6, characterized in that: The material of the housing includes heat dissipation metal; The material of the thermally conductive insulating substrate includes one or more of aluminum nitride, copper diamond, beryllium oxide and aluminum oxide; The material of the light-transmitting container includes one or more of glass, silicon carbide, ceramic, oxide and nitride; The type of laser in the laser unit includes one or more of edge emitting laser, vertical cavity surface emitting laser, photonic crystal laser and horizontal cavity surface emitting laser.

8. The laser cigarette lighter device according to claim 1, characterized in that: A photodetector is arranged opposite to each of the lasers, and an optical structure is arranged between the laser and the photodetector; the optical structure is used to guide part of the light of the laser to the photodetector.

9. The laser cigarette lighter device according to claim 8, characterized in that: The optical structure comprises a light guide tube, and the light guide tube is arranged in the shell of the light-transmitting container.

10. A method for preparing a laser cigarette lighting device, characterized in that: Used to prepare the laser cigarette lighting device according to any one of claims 1 to 9, comprising: Provide metal heat sink; Fixing a plurality of lasers on the surface of the metal heat sink; A light-transmitting container is provided, and the metal heat sink is prepared into a shell surrounding the light-transmitting container; wherein a plurality of the 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 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.

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