WO2023272534A1

WO2023272534A1 - Electronic atomization device

Info

Publication number: WO2023272534A1
Application number: PCT/CN2021/103308
Authority: WO
Inventors: 戴正根; 汪新宇
Original assignee: 深圳麦克韦尔科技有限公司
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2023-01-05

Abstract

An electronic atomization device (100). A liquid storage cavity (110) for storing an aerosol-forming substrate and a mist conveying channel (30) for conveying atomized gas are formed in the electronic atomization device (100). The electronic atomization device (100) comprises a heating target (121), a barrier (261), and a laser (24) for emitting a laser light source. The heating target (121) can absorb the laser light source to generate heat, and the heating target (121) is communicated with the liquid storage cavity (110) in a liquid-guiding mode and is communicated with the mist conveying passage (30) in a gas-guiding mode. The barrier (261) is disposed between the heating target (121) and the laser (24) to isolate the laser (24) from the mist conveying passage (30), thereby preventing the atomized gas in the mist conveying passage (30) from corroding the laser (24).

Description

electronic atomization device

technical field

The present invention relates to the field of atomization, and more specifically, to an electronic atomization device.

Background technique

The current electronic atomization device mainly uses electric heating wire to heat and atomize the aerosol-forming substrate to achieve atomization of the aerosol-forming substrate. Above, the electric heating wire generates heat after being energized, so that the aerosol-forming substrate on the liquid guiding element is rapidly atomized. In actual use, due to the use of electric heating wires for atomization, the heating temperature is too concentrated, and the heating area of the aerosol-forming substrate is small and uneven, resulting in poor atomization effect. Furthermore, when heating by resistance, the conducting conductor is in direct contact with the liquid to be atomized, and an electrochemical reaction will occur, causing the aerosol to contain harmful substances.

technical problem

The technical problem to be solved by the present invention is to provide an improved electronic atomization device for the above-mentioned defects of the prior art.

technical solution

The technical solution adopted by the present invention to solve the technical problem is to construct an electronic atomization device, which is formed with a liquid storage chamber for storing the aerosol-forming substrate and a mist delivery device for transporting the atomized gas channel, the electronic atomization device includes a heating target, a barrier, and a laser for emitting a laser light source; the heating target can absorb the laser light source to generate heat, and the heating target is in fluid communication with the liquid storage chamber And communicate with the mist delivery channel through air; the blocking member is arranged between the heating target and the laser, and isolates the laser from the mist delivery channel.

In some embodiments, the electronic atomization device includes an atomizer and a power supply device matched with the atomizer, the liquid storage chamber is formed in the atomizer; the power supply device includes a lower shell , the laser is arranged in the lower case.

In some embodiments, the blocking member is a light-transmitting baffle.

In some embodiments, the light-transmitting baffle is made of at least one of glass and plastic.

In some embodiments, a groove is formed on the top of the lower case, and the light-transmitting baffle is embedded in the groove.

In some embodiments, the power supply device further includes a sealing sleeve disposed in the lower case, and the light-transmitting baffle is clamped between the sealing sleeve and the groove.

In some embodiments, the blocking element is a light guide.

In some embodiments, the light guide is a solid prism or an optical fiber.

In some embodiments, the power supply device further includes a sealing sleeve embedded in the top of the lower housing, and the lower end of the light guiding member protrudes toward the laser through the sealing sleeve in a sealed manner.

In some embodiments, the atomizer includes an atomization cavity, the heating target is at least partially disposed in the atomization cavity, and the upper end of the light guide extends into the atomization cavity.

In some embodiments, a space is formed between the upper end of the light guide and the heating target.

In some embodiments, the laser includes at least one of a laser diode, a semiconductor laser, a helium-neon laser, a single-mode laser, a multi-mode laser, and a high-power LED.

In some embodiments, the laser includes at least one laser head, each of which can emit a laser light source of one wavelength.

In some embodiments, the heating target is made of porous material.

In some embodiments, the diameter of the micropores on the heating target is 0.1um-0.2mm.

In some embodiments, the heating target is made of at least one of ceramics, metal, and plastic, and a liquid-conducting through hole communicating with the liquid storage chamber is formed on the heating target.

In some embodiments, different temperature gradients are formed on the surface of the heating target.

In some embodiments, the surfaces of the heated target have different absorbances.

Beneficial effect

The implementation of the present invention has at least the following beneficial effects: the use of laser atomization can make the heating area of the heating target larger, the temperature more uniform, and the atomization effect better; in addition, by setting a barrier between the heating target and the laser, The laser is isolated from the mist delivery channel, so that the atomized gas in the mist delivery channel does not corrode the laser.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is a schematic diagram of the three-dimensional structure of the electronic atomization device in the first embodiment of the present invention;

Fig. 2 is a schematic diagram of the A-A sectional structure of the electronic atomization device shown in Fig. 1;

Fig. 3 is a B-B sectional structural schematic diagram of the electronic atomization device shown in Fig. 1;

Fig. 4 is a schematic diagram of an exploded structure of the power supply device in Fig. 1;

Fig. 5 is a schematic diagram of an exploded structure of the atomizer in Fig. 1;

6 is a schematic cross-sectional structure diagram of the electronic atomization device in the second embodiment of the present invention;

Fig. 7 is a schematic cross-sectional structure diagram of the electronic atomization device in the third embodiment of the present invention;

Fig. 8 is a schematic diagram of an exploded structure of the power supply device in Fig. 7;

Fig. 9 is a schematic cross-sectional structure diagram of the electronic atomization device shown in Fig. 7 with the lower case hidden;

10 is a schematic cross-sectional structure diagram of an electronic atomization device in a fourth embodiment of the present invention;

Fig. 11 is a schematic diagram of an exploded structure of the power supply device in Fig. 10;

Fig. 12 is a schematic diagram of the three-dimensional structure of the heating target in Fig. 10;

Fig. 13 is a schematic three-dimensional structure diagram of the first alternative solution of the heating target shown in Fig. 12;

Fig. 14 is a schematic perspective view of the second alternative of the heating target shown in Fig. 12 .

Embodiments of the present invention

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.

In describing the present invention, it is to be understood that the terms "front", "rear", "upper", "lower", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside" and so on is based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship that is usually placed when the product of the present invention is used, and is only for the convenience of describing the technical solution, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the invention. In addition, the terms "vertical", "horizontal", "longitudinal", "transverse" and similar expressions used in the present invention are for the purpose of illustration only, and do not represent the only embodiment.

It should also be noted that terms such as "installation", "connection", "connection", "fixation" and "setup" should be understood in a broad sense unless otherwise clearly stipulated and limited, for example, it can be fixed connection or It is a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element, or one or more intervening elements may also be present. The terms "first", "second", "third" and so on are only for the convenience of describing the technical solution, and cannot be interpreted as indicating or implying the relative importance or implicitly specifying the quantity of the indicated technical features. Therefore, A feature defined with "first", "second", "third", etc. may expressly or implicitly include one or more of that feature. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

1-5 show an electronic atomization device 100 in the first embodiment of the present invention, which may be approximately oval columnar and includes an atomizer 10 and a power supply device 20 matched with the atomizer 10 . The electronic atomization device 100 can be used to heat and atomize the aerosol-forming substrate to generate atomized gas, and the electronic atomizing device 100 is formed with a liquid storage chamber 110 for storing the aerosol-forming substrate and a mist delivery device for transporting the atomized gas. Channel 30. The atomizer 10 is longitudinally installed above the power supply device 20 and can be fixedly or detachably connected to the power supply device 20 . It can be understood that the electronic atomization device is not limited to be in the shape of an elliptical column, and it can also be in other shapes such as a column, a square column, a flat column, and the like.

The power supply device 20 may include a cylindrical lower case 21 and a battery 22 , a laser 24 and a circuit board 25 disposed in the lower case 21 in some embodiments. The circuit board 25 is electrically connected to the battery 22 , the laser 24 is electrically connected to the circuit board 25 , and related control circuits are arranged on the circuit board 25 . The laser 24 can emit a laser light source after being powered on, which in some embodiments can include at least one of laser diodes, semiconductor lasers, helium-neon lasers, single-mode lasers, multi-mode lasers, and high-power LEDs. The laser 24 includes at least one laser head 241, and each laser head 241 can emit laser light of one wavelength to heat the aerosol-forming substrate. When there are multiple laser heads 241, multiple laser heads 241 can emit lasers of various wavelengths, so that the heating target 121 forms different temperature gradients, which can be used to simultaneously atomize a certain component or several components of the aerosol-forming matrix , so that the generated atomized gas contains a variety of ingredients, making the aroma more layered and improving the atomized taste. In this embodiment, a laser head 241 is arranged on the laser 24 .

In some embodiments, the power supply device 20 may further include a bracket 23 , a blocking member 261 and a sealing sleeve 27 . The bracket 23 is disposed in the lower case 21 , and one side of the bracket 23 is open to form a mounting groove 230 . The battery 22 can be embedded in the lower part of the installation groove 230 , the circuit board 25 can be embedded in the upper part of the installation groove 230 , and the laser 24 can be disposed on the top of the installation groove 230 . The barrier 261 is disposed between the heating target 121 and the laser 24 to isolate the mist delivery channel 30 from the laser 24 . The barrier 261 separates the mist delivery channel 30 and the laser 24 into two different spaces, so as to prevent the atomized gas in the mist delivery channel 30 from corroding the laser 24 .

In this embodiment, the blocking member 261 is a light-transmitting baffle 261 , and the light-transmitting baffle 261 can be in the shape of a rectangular plate and can be made of light-transmitting materials such as glass and plastic. The top of the bracket 23 can be recessed to form a groove 231 , and the light-transmitting baffle 261 can be embedded in the groove 231 . The sealing sleeve 27 can be made of elastic materials such as silica gel. The sealing sleeve 27 is disposed in the lower shell 21 and sleeved above the bracket 23 and the light-transmitting baffle 261 , so that the light-transmitting baffle 261 is tightly clamped between the sealing sleeve 27 and the groove 231 .

At least one air intake hole 210 may be opened on the lower shell 21 to allow outside air to enter. A first air intake channel 270 , a second air intake channel 271 , and a third air intake channel 272 are formed on the sealing sleeve 27 and communicate with the at least one air intake hole 210 in sequence. In this embodiment, there are two air inlets 210 and they are respectively opened on two opposite sides of the lower case 21 . The first air intake passage 270 is annular and may be formed by radially inwardly indenting the outer peripheral surface of the sealing sleeve 27 . The third air intake passage 272 can be formed by a concave top surface of the sealing sleeve 27 , which can coincide with the central axis of the sealing sleeve 27 . There are two second air intake passages 271 , and the two second air intake passages 271 can be respectively opened on both sides of the sealing sleeve 27 in the width direction, and communicate with the first air intake passage 270 and the third air intake passage 272 .

In some embodiments, the power supply device 20 may further include at least one first magnetic attraction member 28 for magnetically attracting connection with the atomizer 10 . In this embodiment, there are two first magnetic attractors 28 , and the two first magnetic attractors 28 can be respectively embedded in both sides of the sealing sleeve 27 in the longitudinal direction.

The atomizer 10 may include an upper shell 11 , a heating target 121 disposed in the upper shell 11 , a base 13 embedded in the bottom of the upper shell 11 , and a base 13 sleeved above the base 13 and set in the upper shell 11 . Heating sleeve 15. The upper shell 11 is embedded above the lower shell 21 , and together with the lower shell 21 , it forms the shell 40 of the electronic atomization device 100 . The top of the upper shell 11 extends downward to form an air outlet pipe 111 , the inner wall of the air outlet pipe 111 defines an air outlet channel 1110 , and the outer wall of the air outlet pipe 111 and the inner wall of the upper shell 11 define a liquid storage chamber 110 . The upper shell 11, the air outlet pipe 111, and the lower shell 21 can all be arranged coaxially. In other embodiments, the air outlet pipe 111 and the upper shell 11 can also be formed separately and then assembled together.

The base 13 is embedded in the bottom of the upper case 11 and can be buckled connected with the upper case 11 . The base 13 is used for docking with the power supply device 20 . A ventilation hole 130 communicating with the third air intake passage 272 is formed longitudinally on the base 13 . At least one second magnetic attraction 14 can be embedded in the bottom of the base 13 for magnetic connection with at least one first magnetic attraction 28 . In this embodiment, there are two second magnetic attractors 14 , and the two second magnetic attractors 14 are arranged in one-to-one correspondence with the two first magnetic attractors 28 .

The heating target 121 is in fluid communication with the liquid storage chamber 110 and in gas communication with the mist delivery channel 30 . The heating target 121 can absorb the aerosol-forming substrate stored in the liquid storage chamber 110 , and can absorb the laser light source emitted by the laser 24 to generate heat, and then heat and atomize the aerosol-forming substrate. By means of laser atomization, the heating area of the heating target 121 can be larger, the temperature is more uniform, and the atomization effect is better. The heating target 121 may be a one-piece structure. In some embodiments, the heating target 121 can be made of a high temperature resistant porous material, such as cotton, fiber or porous ceramics, so that it can absorb the liquid stored in the liquid storage chamber 110 under the action of capillary force through its own porous structure. The aerosol forms a matrix, and the diameter of the micropores on the porous structure can be 0.1um-0.2mm. In some other embodiments, the heating target 121 may also be made of materials such as ceramics, metal or plastic, and the heating target 121 is formed with a liquid conducting hole 1210 communicating with the liquid storage chamber 110 . The heating target 121 can be black or other colors with high light absorption. Specifically, in this embodiment, the heating target 121 is in the shape of a long cylinder arranged laterally, and a liquid-conducting through hole 1210 is formed axially through the middle of the heating target 121 .

The heating jacket 15 can be made of elastic materials such as silica gel, and the outer wall of the heating jacket 15 is tightly matched with the inner wall of the upper shell 11 to avoid leakage of the aerosol-forming matrix in the liquid storage chamber 110 . An atomization chamber 150 is formed between the heating sleeve 15 and the base 13 and communicates with the air hole 130 , and the heating target 121 is at least partly disposed in the atomization chamber 150 . Both axial ends of the heating target 121 can be mounted on the heating sleeve 15 respectively.

Here, the air inlet 210, the first air inlet channel 270, the second air inlet channel 271, the third air inlet channel 272, the air hole 130, the atomization chamber 150, and the air outlet channel 1110 are connected in sequence to form a complete mist delivery channel 30.

Fig. 6 shows the electronic atomization device 100 in the second embodiment of the present invention, the main difference between it and the first embodiment is that the blocking member 262 in this embodiment is a light guide 262, and the light guide 262 can It is a solid prism or an optical fiber, etc., and the light can propagate in the light guide 262 . The light guide 262 can be in the shape of a long column arranged vertically. The lower end of the light guide 262 (the end facing the laser 24 ) is sealed and protrudes toward the laser head 241 through the sealing sleeve 27 , and the upper end (the end facing the heating target 121 ) into the atomization chamber 150. The light guide 262 guides the laser light source through the atomization cavity 150 into the heating target 121 to be heated to generate atomized gas, thereby preventing the atomized gas from corroding the laser head 241 . A gap 260 is formed between the upper end of the light guide 262 and the heating target 121 , and the gap 260 can be used for transporting the aerosol of the aerosol-forming substrate.

7-9 show the electronic atomization device 100 in the third embodiment of the present invention, which is mainly different from the first embodiment in that the electronic atomization device 100 in this embodiment is also provided with a radiator 291, The heat sink 291 is formed with a heat dissipation channel 2910 respectively connected with the air inlet 210 and the atomization chamber 150, at least a part of the laser 24 is in contact with the heat sink 291, when the user inhales, the airflow enters from the casing 40 and passes through the heat sink 291, to take away the heat dissipated by the radiator 291, thereby reducing the temperature of the laser 24 and increasing its service life.

In addition, at least a portion of the circuit board 25 may also be in contact with the heat sink 291 , thereby also reducing the temperature of the circuit board 25 . Specifically, in this embodiment, the heat sink 291 may be disposed on the upper portion of the installation groove 230 and may be disposed on a side of the circuit board 25 away from the installation groove 230 . The heat sink 291 may include a plurality of heat dissipation fins 2911 arranged in parallel and at intervals, and a heat dissipation groove 2912 is formed between every two adjacent heat dissipation fins 2911 . At least one cooling hole 2913 may also be formed in the radiator 291 , and a cooling air passage 2914 may be formed between the outer surface of the radiator 291 and the inner surface of the lower case 21 . The airflow enters from the air inlet 210 and flows through the heat dissipation air channel 2914 formed between the outer surface of the radiator 291 and the inner surface of the lower shell 21 and/or the heat dissipation groove 2912 formed between every two adjacent heat dissipation fins 2911 And/or the heat dissipation holes 2913 formed inside the heat sink 291 take away heat, reduce the temperature of the laser 24, and prevent the temperature of the laser 24 from being too high. The heat dissipation groove 2912 and/or the heat dissipation hole 2913 and/or the heat dissipation air channel 2914 constitute the heat dissipation channel 2910 of the heat sink 291 . The heat sink 2911 can be made of aluminum or aluminum alloy, copper or copper alloy, graphene and other materials with high thermal conductivity. The heat dissipation fins 2911 and the heat dissipation grooves 2912 can both extend longitudinally, and the heat dissipation holes 2913 can penetrate through the interior of the heat sink 291 longitudinally.

The air inlet 210 is defined on the lower shell 21 and can communicate with the installation groove 230 . Specifically, the air inlet 210 can be arranged below the radiator 291 and near the top of the battery 22, and an airflow passage 220 is defined between the bottom of the radiator 291 and the top of the battery 22, and the airflow passage 220 connects the airflow passage 220 to the air inlet. 210 communicates with the cooling channel 2910 . The top of the support 23 is longitudinally formed with at least one air outlet 232, and the top of the mounting groove 230 is formed with a vent 233 connecting the heat dissipation channel 2910 with the at least one air outlet 232. The top surface of the support 23 is connected to the bottom surface of the base 13. A ventilation gap 234 is formed between the at least one air outlet hole 232 and the ventilation hole 130 . The outside air enters through the air intake hole 210, passes through the airflow channel 220 and the heat dissipation channel 2910 in turn, and takes away the heat emitted by the battery 22 and the radiator 291, and then the hot air passes through the ventilation groove 233, the air outlet hole 232, the ventilation gap 234, and the ventilation hole in sequence. 130 enters the atomization chamber 150, takes away the aerosol, and finally outputs it through the air outlet channel 1110 for the user to inhale. In addition, guiding the hot air to the heating target 121 can also improve the heat utilization rate of the heating target 121 .

At least a portion of the laser 24 is disposed in the heat sink 291 . In this embodiment, the laser 24 includes three laser heads 241, and the three laser heads 241 can emit laser light of three wavelengths to heat the aerosol-forming substrate.

10-12 show the electronic atomization device 100 in the fourth embodiment of the present invention. The main difference between it and the third embodiment is that the heat sink 292 in this embodiment is a heat pipe 292, and at least a part of the laser 24 is connected with The heat pipe 292 is in contact, and the inside of the heat pipe 292 is a vacuum chamber, and evaporators are arranged in the vacuum chamber. When the heat reaches a certain level, it will start to evaporate and absorb heat, and take away the heat of the laser 24 .

The heat pipe 292 includes a condensing end 2921 and an evaporating end 2922. When the user inhales, the airflow enters from the shell 40, passes through the condensing end 2921 of the heat pipe 292, reaches the evaporating end 2922 of the heat pipe 292, then reaches the atomizing chamber 150, and finally passes through the air outlet Channel 1110 output. Specifically, at least a part of the laser 24 is in contact with the evaporating end 2922. When the evaporating end 2922 is heated, the liquid around the wall of the heat pipe 292 will instantly vaporize to generate steam. At this time, the pressure of this part will increase, and the steam flow will Pulled by the pressure, it flows to the condensing end 2921. When the vapor reaches the condensing end 2921, it condenses into a liquid and releases a large amount of heat. Finally, it returns to the evaporating end 2922 by capillary force to complete a cycle.

The condensation end 2921 is arranged corresponding to the air inlet 210 . In this embodiment, the air inlet 210 is only opened on the side of the lower shell 21 corresponding to the condensation end 2921 , and the number of the air inlet 210 may be one or more than one. After the airflow enters from the air inlet 210, it must at least pass through the condensation end 2921 of the heat pipe 292 to take away the heat emitted by the heat pipe 292, thereby accelerating the heat dissipation of the laser 24. The hot air then passes through the air outlet 232, the ventilation gap 234, the ventilation The air hole 130 enters the atomization chamber 150 , takes away the aerosol, and finally outputs it through the air outlet channel 1110 .

The heating target 122 has a light absorption surface 1221 corresponding to the at least one laser head 241 , and the light absorption surface 1221 can receive the laser light source emitted by the at least one laser head 241 . The light-absorbing surface 1221 is formed with different temperature gradients, thereby improving the taste of atomization. Wherein, the temperature gradient refers to the rate of temperature change with time. For example, multiple laser heads 241 emit lasers with multiple wavelengths to form different temperature gradients on the light-absorbing surface 1221 . For another example, the light-absorbing surface 1221 may have different blackness or different colors, so that the light-absorbing surface 1221 has different light absorption rates, and the laser wavelength produces different temperatures on the target surface with different blackness or different colors. For another example, the light-absorbing surface 1221 may be composed of different materials, and different materials have different light-absorbing ratios, and laser wavelengths produce different temperatures on target surfaces of different materials. The material of the light-absorbing surface 1221 can be copper, aluminum, silver and other metals or metal alloy materials, and can also be non-metallic materials such as diatomaceous earth. In addition, the light-absorbing surfaces 1221 made of different materials may also have different shapes or different thicknesses.

Specifically, in this embodiment, the heating target 122 may be in the shape of a rectangular plate, and the side of the heating target 122 facing the laser head 241 is formed with a light absorption surface 1221 . In other embodiments, the two opposite surfaces of the heating target 122 can be formed with light-absorbing surfaces 1221 , so that the fool-proof function can be realized without considering the assembly direction during assembly. A first light absorption medium 1222 and a second light absorption medium 1223 are distributed on the light absorption surface 1221 , and the first light absorption medium 1222 and the second light absorption medium 1223 have different light absorption rates. The first light-absorbing medium 1222 and the second light-absorbing medium 1223 can be distributed in a point shape, such as a triangle point, a circle point, an ellipse point, a square point, or a rhombus point. The first light-absorbing medium 1222 and the second light-absorbing medium 1223 can have different shapes, for example, the first light-absorbing medium 1222 can be evenly distributed in the shape of dots, and the second light-absorbing medium 1223 can be evenly distributed in the shape of triangular dots. In addition, the first light-absorbing medium 1222 and the second light-absorbing medium 1223 can also be made of different materials, and/or the first light-absorbing medium 1222 and the second light-absorbing medium 1223 have different colors. Understandably, in other embodiments, the light-absorbing surface 1221 may also be composed of two or more kinds of light-absorbing media with different light absorbing rates.

Fig. 13 shows the heating target 123 in the first alternative of the present invention. The main difference between it and the third embodiment is that the first light-absorbing medium 1232 and the second light-absorbing medium 1232 on the light-absorbing surface 1231 of the heating target 123 in this embodiment are The medium 1233 is distributed in the form of sheets or strips. Specifically, in this embodiment, the first light-absorbing medium 1232 and the second light-absorbing medium 1233 are alternately distributed in a rectangular strip shape.

Fig. 14 shows the heating target 124 in the second alternative of the present invention. The main difference between it and the first alternative is that the heating target 124 in this embodiment is cylindrical, and the middle part of the heating target 124 is formed along its axial direction. The liquid-guiding through hole 1240 and the light-absorbing surface 1241 are formed on the outer peripheral surface of the heating target 124 , and the first light-absorbing medium 1242 and the second light-absorbing medium 1243 on the light-absorbing surface 1241 are alternately distributed in a ring shape.

It can be understood that the above technical features can be used in any combination without limitation.

Above embodiment has only expressed the preferred embodiment of the present invention, and its description is comparatively specific and detailed, but can not therefore be interpreted as the limitation of patent scope of the present invention; It should be pointed out that, for those of ordinary skill in the art, in Under the premise of not departing from the concept of the present invention, the above-mentioned technical features can be freely combined, and some deformations and improvements can also be made, which all belong to the protection scope of the present invention; therefore, all equivalent transformations made with the scope of the claims of the present invention All modifications and modifications shall fall within the scope of the claims of the present invention.

Claims

An electronic atomization device, the electronic atomization device is formed with a liquid storage chamber for storing aerosol-forming substrates and a mist gas delivery channel for transporting atomized gas, which is characterized in that it includes a heating target, a barrier and a A laser that emits a laser light source; the heating target can absorb the laser light source to generate heat, and the heating target is in fluid communication with the liquid storage chamber and in gas communication with the mist delivery channel; the barrier is set Between the heated target and the laser, the laser is isolated from the mist delivery channel.
The electronic atomization device according to claim 1, wherein the electronic atomization device comprises an atomizer and a power supply device matched with the atomizer, and the liquid storage chamber is formed in the atomizer Inside the device; the power supply device includes a lower case, and the laser is arranged in the lower case.
The electronic atomization device according to claim 2, wherein the blocking member is a light-transmitting baffle.
The electronic atomization device according to claim 3, wherein the light-transmitting baffle is made of at least one of glass and plastic.
The electronic atomization device according to claim 3, wherein a groove is formed on the top of the lower case, and the light-transmitting baffle is embedded in the groove.
The electronic atomization device according to claim 5, wherein the power supply device further comprises a sealing sleeve arranged in the lower case, and the light-transmitting baffle is clamped between the sealing sleeve and the concave between slots.
The electronic atomization device according to claim 2, wherein the blocking element is a light guiding element.
The electronic atomization device according to claim 7, wherein the light guide is a solid prism or an optical fiber.
The electronic atomization device according to claim 7, wherein the power supply device further comprises a sealing sleeve embedded in the top of the lower case, and the lower end of the light guide member is sealed through the sealing sleeve to The laser is extended.
The electronic atomization device according to claim 7, wherein the atomizer comprises an atomization chamber, the heating target is at least partially disposed in the atomization chamber, and the upper end of the light guide member extends into into the atomization chamber.
The electronic atomization device according to claim 10, wherein a space is formed between the upper end of the light guide member and the heating target.
The electronic atomization device according to any one of claims 1-11, wherein the laser includes at least one of a laser diode, a semiconductor laser, a helium-neon laser, a single-mode laser, a multi-mode laser, and a high-power LED. kind.
The electronic atomization device according to any one of claims 1-11, wherein the laser includes at least one laser head, and each laser head can emit a laser light source of one wavelength.
The electronic atomization device according to any one of claims 1-11, wherein the heating target is made of a porous material.
The electronic atomization device according to claim 14, characterized in that the diameter of the micropores on the heating target is 0.1um-0.2mm.
The electronic atomization device according to any one of claims 1-11, wherein the heating target is made of at least one of ceramics, metal, and plastic, and the heating target is formed with a The liquid-conducting through-hole connected with the liquid cavity.
The electronic atomization device according to any one of claims 1-11, wherein different temperature gradients are formed on the surface of the heating target.
The electronic atomization device according to any one of claims 1-11, characterized in that the surfaces of the heating target have different light absorption rates.