Atomizing nozzle, atomizer and electronic atomizing device

Abstract

The invention discloses an atomizing nozzle, an atomizer and an electronic atomizing device. The atomizing nozzle comprises an atomizing cavity, at least two first fluid channels, a second fluid channel and a mist outlet. The at least two first fluid channels are communicated with the atomization cavity, the first fluid channels are used for transmitting first fluid to the atomization cavity, the at least two first fluid channels are symmetrically distributed relative to the atomization cavity, the second fluid channel is communicated with the atomization cavity, the second fluid channel and the first fluid channels are arranged in a spaced mode, and the second fluid channel is used for transmitting second fluid to the atomization cavity. The first fluid and the second fluid are atomized in the atomization cavity to generate aerosol; the mist outlet is communicated with the atomization cavity and used for spraying the aerosol out of the atomization cavity. Through the arrangement, the atomizing nozzle comprises the at least two first fluid channels and is symmetrically distributed relative to the atomizing cavity, so that the gas phase and the liquid phase are uniformly distributed, and the problem of atomization deviation of the atomizing nozzle in the prior art is effectively solved.

Description

Technical Field

[0001] The present application relates to the field of atomization technology, and in particular to an atomization nozzle, an atomizer and an electronic atomization device. Background Art

[0002] As an important atomization method of electronic atomization devices, atomization nozzles have been derived into various types of internal mixing, external mixing, and multiple mixing atomization nozzles. Due to the high viscosity of the aerosol generation matrix, the particle size of the aerosol generated by the atomization nozzle is generally not enough to achieve the effect of direct inhalation, and a heating element is required to make the aerosol particle size smaller.

[0003] In the prior art, most atomizing nozzles are gas-liquid two-phase atomizing nozzles. However, affected by the gas-liquid shear effect, the gas-liquid two-phase atomizing nozzles are prone to atomization deviation problems, that is, the geometric center of the aerosol cluster / droplet generated by the atomizing nozzle is prone to deviate from the geometric center of the heating element, which can easily lead to uneven temperature of the heating element, and then cause the heating element to burn easily, affecting the atomized taste. Summary of the invention

[0004] The present application mainly provides an atomizing nozzle, an atomizer and an electronic atomizing device to solve the atomization deviation problem of the atomizing nozzle in the prior art.

[0005] In order to solve the above technical problems, a technical solution adopted in the present application is to provide an atomizing nozzle, comprising:

[0006] Atomization chamber;

[0007] At least two first fluid channels are connected to the atomizing chamber; the first fluid channels are used to transfer the first fluid to the atomizing chamber; the at least two first fluid channels are symmetrically distributed about the atomizing chamber;

[0008] a second fluid channel, which is in communication with the atomizing chamber and is spaced apart from the first fluid channel; the second fluid channel is used to transfer a second fluid to the atomizing chamber, and to atomize the first fluid and the second fluid in the atomizing chamber to generate an aerosol;

[0009] A mist outlet is connected to the atomization chamber, and the mist outlet is used to spray the aerosol out of the atomization chamber.

[0010] In one embodiment, the atomizing nozzle comprises: a base having a first surface; the first surface is provided with an atomizing groove and at least two first fluid grooves, the first fluid groove is connected to the atomizing groove, and the at least two first fluid grooves are spaced apart from each other and symmetrically arranged about the atomizing groove;

[0011] A cover body covers the first surface; the cover body cooperates with the atomization groove to form the atomization cavity, and cooperates with the first fluid groove to form the first fluid channel.

[0012] In one embodiment, a second fluid groove is further provided on the first surface, and the second fluid groove is connected to the atomization groove and is spaced apart from the first fluid groove; the cover body cooperates with the second fluid groove to form the second fluid channel; the at least two first fluid grooves are axially symmetrically arranged about the central axis of the second fluid groove; the side wall of the atomization groove has an opening, and the opening and the second fluid groove are respectively arranged on both sides of the atomization groove along the first direction, and the cover body cooperates with the opening to form the mist outlet.

[0013] In one embodiment, the first surface is provided with two first fluid grooves and one second fluid groove; the second fluid groove extends along the first direction, and the central axis of the second fluid groove and the central axis of the mist outlet coincide with the central axis of the atomization groove; along the second direction, two first fluid grooves are respectively arranged on both sides of the atomization groove and the second fluid groove, and the two first fluid grooves are axially symmetrically arranged about the central axis of the atomization groove.

[0014] In one embodiment, the first surface is provided with one atomization groove, two first fluid grooves and one second fluid groove; the atomization groove includes two sub-atomization grooves, and the two sub-atomization grooves are spaced apart and axially symmetrically arranged along the second direction;

[0015] The second fluid groove comprises two second fluid sub-grooves, the two second fluid sub-grooves are respectively connected to the two sub-atomization grooves in a one-to-one correspondence, and the two second fluid sub-grooves both extend along the first direction and are axially symmetrically arranged;

[0016] The two first fluid grooves are connected to the two sub-atomization grooves one by one, respectively. The two first fluid grooves are arranged on both sides of the atomization groove and the second fluid groove along the second direction and are axially symmetrical. The side wall of each sub-atomization groove is provided with the opening.

[0017] In one embodiment, ends of the two second fluid sub-grooves away from the atomization groove both extend to the edge of the first surface and are connected to each other.

[0018] In one embodiment, the first surface includes a first edge and a second edge opposite to each other along the first direction and a third edge and a fourth edge opposite to each other along the second direction; the atomization groove is arranged close to the first edge; one of the two first fluid grooves extends from the side wall of the atomization groove close to the third edge to the third edge, and the other extends from the side wall of the atomization groove close to the fourth edge to the fourth edge; the second fluid groove extends from the side wall of the atomization groove close to the second edge to the second edge; and the side wall of the atomization groove close to the first edge has the opening.

[0019] In one embodiment, the first surface is provided with at least three first fluid grooves, a plurality of the first fluid grooves are connected to the atomizing groove and are arranged at intervals along the circumferential direction of the side wall of the atomizing groove, and the plurality of the first fluid grooves are rotationally symmetrically distributed about the center of the atomizing groove;

[0020] The bottom wall of the atomizing groove is provided with a first through hole, and the first through hole serves as the second fluid channel; the position of the cover body corresponding to the atomizing groove is provided with a second through hole, and the second through hole serves as the mist outlet.

[0021] In one embodiment, the first through hole, the second through hole, and the atomization groove are all circular and coaxially arranged.

[0022] In one embodiment, the first fluid groove is linear; along the first fluid groove from one end away from the atomization groove to one end close to the atomization groove, the width of the first fluid groove remains unchanged, or the width of the first fluid groove gradually decreases.

[0023] In one embodiment, the first fluid groove extends from the atomization groove to an edge of the first surface.

[0024] In one embodiment, the first surface is further provided with a first guide groove, the first guide groove surrounds the atomization groove and is spaced apart from the atomization groove, the first fluid groove is provided on a common side wall of the atomization groove and the first guide groove, the atomization groove is connected to the first guide groove through the first fluid groove; the cover body cooperates with the first guide groove to form a first guide channel.

[0025] In one embodiment, the outer side wall of the first guide groove is provided with a notch extending to the edge of the first surface, and the cover body cooperates with the notch to form a first interface, and the first interface is used to connect to an external pipeline to receive the first fluid.

[0026] In one embodiment, the atomizing nozzle also includes a base, which is arranged on a side of the base away from the cover body; a second guide groove is arranged on the surface of the base close to the base, and the second guide groove cooperates with the base to form a second guide channel, and the second guide channel is connected to the second fluid channel.

[0027] In one embodiment, the first surface is provided with a plurality of the atomizing grooves and a plurality of groups of the first fluid grooves; the plurality of the first fluid grooves in each group of the first fluid grooves are connected to the corresponding atomizing grooves; the cover body is provided with a plurality of the mist outlets, and the plurality of the mist outlets are provided in one-to-one correspondence with the plurality of the atomizing grooves;

[0028] The first surface is also provided with a first guide groove, which is arranged around the atomization groove and spaced apart from the atomization groove, and the first guide groove is connected with all the first fluid grooves; the cover body cooperates with the first guide groove to form a first guide channel.

[0029] In one embodiment, the atomizing nozzle further comprises a base, a surface of the base close to the substrate is provided with a plurality of second guide grooves, the second guide grooves cooperate with the substrate to form a second guide channel; the base is provided with a guide hole, the guide hole passes through the base, the plurality of second guide grooves are all connected to the guide hole, and the guide hole is used to connect to an external pipeline to receive the second fluid;

[0030] The number of the second guide grooves is equal to that of the atomization grooves. The second guide grooves extend from one end of the guide hole to correspond to the second fluid channel. The plurality of second guide grooves are connected to the plurality of second fluid channels in a one-to-one correspondence.

[0031] In order to solve the above technical problems, another technical solution adopted by the present application is to provide an atomizer, comprising:

[0032] Atomizing nozzle, including any atomizing nozzle as described above;

[0033] an air pump, in fluid communication with one of the first fluid passage and the second fluid passage, for providing a high-speed air flow to the atomizing nozzle;

[0034] A liquid storage bottle is used to store an aerosol-generating substrate. The liquid storage bottle is fluidically connected to the other of the first fluid channel and the second fluid channel, and is used to provide the aerosol-generating substrate to the atomizing nozzle.

[0035] In one embodiment, the atomizer further comprises a heating element, and the heating element is disposed on one side of the mist outlet of the atomizing nozzle, and is used for performing secondary heating and atomization on the aerosol ejected from the mist outlet.

[0036] In order to solve the above technical problems, another technical solution adopted by the present application is to provide an electronic atomization device, comprising:

[0037] Atomizer, including any atomizer as described above;

[0038] A power supply assembly is electrically connected to the atomizer and is used to provide energy to the atomizer.

[0039] The beneficial effects of the present application are as follows: Different from the prior art, the present application discloses an atomizing nozzle, an atomizer and an electronic atomizing device, wherein the atomizing nozzle includes an atomizing chamber, at least two first fluid channels, a second fluid channel and a mist outlet; at least two first fluid channels are connected to the atomizing chamber, the first fluid channel is used to transfer the first fluid to the atomizing chamber, at least two first fluid channels are symmetrically distributed about the atomizing chamber, the second fluid channel is connected to the atomizing chamber, and is spaced apart from the first fluid channel, for transferring the second fluid to the atomizing chamber, and atomizing the first fluid and the second fluid in the atomizing chamber to generate an aerosol; the mist outlet is connected to the atomizing chamber, for ejecting the aerosol out of the atomizing chamber. Through the above arrangement, the atomizing nozzle is arranged to include at least two first fluid channels and be symmetrically distributed about the atomizing chamber, so that the gas-liquid two-phase distribution is uniform, which effectively solves the atomization bias problem existing in the atomizing nozzle in the prior art and improves the atomization taste. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0041] Figure 1 It is a structural schematic diagram of an embodiment of the electronic atomization device provided by the present application;

[0042] Figure 2 yes Figure 1 A schematic cross-sectional view of an electronic atomization device is provided;

[0043] Figure 3 yes Figure 2 A schematic structural diagram of a first embodiment of an atomizing nozzle of an atomizer of an electronic atomizing device provided;

[0044] Figure 4 yes Figure 3 A schematic structural diagram of a first embodiment of a base of an atomizing nozzle is provided;

[0045] Figure 5 yes Figure 3A schematic structural diagram of a second embodiment of a base of an atomizing nozzle is provided;

[0046] Figure 6 yes Figure 2 A schematic structural diagram of a second embodiment of an atomizing nozzle of an atomizer of an electronic atomizing device provided;

[0047] Figure 7 yes Figure 6 A schematic structural diagram of a first embodiment of a base of an atomizing nozzle is provided;

[0048] Figure 8 yes Figure 6 A schematic structural diagram of a second embodiment of a base of an atomizing nozzle is provided;

[0049] Fig. 9 yes Figure 6 A schematic structural diagram of a base of a provided atomizing nozzle;

[0050] Fig.10 yes Figure 2 A schematic structural diagram of a third embodiment of an atomizing nozzle of an atomizer of an electronic atomizing device provided;

[0051] Fig.11 yes Fig.10 A schematic structural diagram of an embodiment of a base of an atomizing nozzle is provided;

[0052] Fig.12 yes Fig.10 A schematic structural diagram of a cover body of the provided atomizing nozzle;

[0053] Fig.13 yes Fig.10 A schematic structural diagram of a base of a provided atomizing nozzle. DETAILED DESCRIPTION

[0054] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0055] The terms "first", "second", "third" in the embodiments of the present application are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined as "first", "second", "third" can expressly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0056] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0057] See also Figure 1 to Figure 2 , Figure 1 is a structural schematic diagram of an embodiment of an electronic atomization device provided by the present application, Figure 2 yes Figure 1 A schematic cross-sectional view of an electronic atomization device is provided.

[0058] See also Figure 1 and Figure 2 The present application provides an electronic atomization device 300, which can be used for atomization of an aerosol-generating substrate. The electronic atomization device 300 includes an atomizer 100 and a power supply assembly 200 electrically connected to each other.

[0059] The atomizer 100 is used to store an aerosol-generating matrix and atomize the aerosol-generating matrix to form an aerosol that can be inhaled by the user. The aerosol-generating matrix can be a liquid matrix such as a liquid medicine, a plant leaf liquid, etc. The atomizer 100 can be used in different fields, such as medical treatment, beauty, electronic aerosolization, etc. The power supply assembly 200 includes a battery 201, an airflow sensor (not shown), and a controller (not shown). The power supply assembly 200 is used to power the atomizer 100 and control the atomizer 100 to work so that the atomizer 100 can atomize the aerosol-generating matrix to form an aerosol; the airflow sensor is used to detect the airflow change in the electronic atomization device 300, and the controller starts the electronic atomization device 300 according to the airflow change detected by the airflow sensor. The atomizer 100 and the power supply assembly 200 can be set as an integral unit, for example, sharing a housing; or they can be detachably connected and designed according to specific needs. Of course, the electronic atomization device 300 also includes other components in the existing electronic atomization device 300, such as a microphone, a bracket, etc. The specific structures and functions of these components are the same or similar to those in the prior art. For details, please refer to the prior art and will not be repeated here.

[0060] Specifically, the atomizer 100 includes a housing 1, an air pump 2, an atomizing nozzle 3 and a liquid storage bottle 4, wherein the housing 1 has an installation space 11, and the atomizing nozzle 3 is received in the installation space 11. The air pump 2 and the liquid storage bottle 4 can be received in the installation space 11, or can be arranged outside the installation space 11, depending on the actual situation. Figure 2 As shown, in this embodiment, the air pump 2 and the liquid storage bottle 4 are both arranged in the installation space 11 of the housing 1. The liquid storage bottle 4 serves as a liquid storage chamber for storing the aerosol generating substrate. The air pump 2 and the liquid storage bottle 4 are both in fluid communication with the atomizing nozzle 3. The air pump 2 is used to provide a high-speed airflow to the atomizing nozzle 3, and the liquid storage bottle 4 is used to provide the aerosol generating substrate to the atomizing nozzle 3, so that the aerosol generating substrate is atomized in the atomizing nozzle 3 under the action of the high-speed airflow to generate an aerosol and is ejected out of the atomizing nozzle 3.

[0061] Furthermore, in this embodiment, the atomizer 100 also includes a heating element 5, which is disposed on one side of the mist outlet 31 of the atomizing nozzle 3. The aerosol is sprayed onto the heating element 5 through the mist outlet 31 of the atomizing nozzle 3. The heating element 5 is used to perform secondary heating and atomization on the aerosol. The aerosol is fully heated and atomized twice, so that the particle size of the aerosol is smaller, which meets the needs of direct inhalation, and the atomization efficiency is higher and the atomization taste is better. The heating element 5 can be a porous ceramic structure, or a mesh cotton core or other structure. The shape of the heating element 5 can be a flat plate, a mesh, or a hollow cylindrical shape or other shapes. As long as the aerosol sprayed from the mist outlet 31 of the atomizing nozzle 3 can be sprayed onto the heating element 5 and atomized by secondary heating, the particle size of the aerosol is smaller. In this embodiment, the geometric center of the aerosol sprayed out from the mist outlet 31 of the atomizing nozzle 3 is aligned with the geometric center of the heating element 5, so that the temperature at each position of the heating element 5 is more uniform and the atomization effect is better. This avoids the problem of uneven temperature of the heating element 5 which is easy to burn and thus affects the atomization taste, thereby improving the atomization performance and atomization taste.

[0062] In other embodiments, the heating element 5 may not be provided, and the aerosol may be directly sprayed out of the atomizer 100 through the mist outlet 31 of the atomizing nozzle 3 without secondary heating and atomization by the heating element 5. As long as the aerosol sprayed out of the mist outlet 31 of the atomizing nozzle 3 can smoothly flow out of the mist outlet channel of the atomizer 100 along its spraying direction without the problem of atomization bias, it will be sufficient.

[0063] See also Figures 3 to 5 , Figure 3 yes Figure 2 A schematic structural diagram of a first embodiment of an atomizing nozzle of an atomizer of an electronic atomizing device is provided, Figure 4 yes Figure 3 A schematic structural diagram of a first embodiment of a base of an atomizing nozzle is provided, Figure 5 yes Figure 3 A schematic structural diagram of a second embodiment of a substrate of an atomizing nozzle is provided.

[0064] See also Figures 3 to 5, the atomizing nozzle 3 includes an atomizing chamber 32, at least two first fluid channels 33, a second fluid channel 34 and a mist outlet 31. At least two first fluid channels 33 are in communication with the atomizing chamber 32. In a specific embodiment, at least two first fluid channels 33 are in communication with the side wall of the atomizing chamber 32. The first fluid channel 33 is used to transfer the first fluid to the atomizing chamber 32. At least two first fluid channels 33 are symmetrically distributed about the atomizing chamber 32. The second fluid channel 34 is in communication with the atomizing chamber 32. In a specific embodiment, the second fluid channel 34 is in communication with the bottom wall of the atomizing chamber 32. The second fluid channel 34 is used to transfer the second fluid to the atomizing chamber 32 and atomize the first fluid and the second fluid in the atomizing chamber 32 to generate an aerosol. The mist outlet 31 is in communication with the atomizing chamber 32 for ejecting the aerosol out of the atomizing chamber 32. In a specific embodiment, the mist outlet 31 is arranged on the top wall of the atomizing chamber 32. It can be understood that by configuring the atomizing nozzle 3 to include at least two first fluid channels 33 and at least two first fluid channels 33 are symmetrically distributed about the atomizing chamber 32, the gas-liquid two-phase distribution of the atomizing nozzle 3 is uniform, which effectively solves the atomization bias problem of the atomizing nozzle 3 in the prior art, and improves the atomization taste and atomization performance. The first fluid channel 33 is used to transmit one of the aerosol generating substrate and the airflow to the atomizing chamber 32, and the second fluid channel 34 is used to transmit the other of the aerosol generating substrate and the airflow to the atomizing chamber 32, that is, the first fluid can be one of the aerosol generating substrate or the airflow, and the second fluid can also be the other of the aerosol generating substrate or the airflow.

[0065] Specifically, the atomizing nozzle 3 includes a base 35 and a cover 36. The base 35 has a first surface 351. The first surface 351 is provided with an atomizing groove 352 and at least two first fluid grooves 353. The first fluid groove 353 is connected to the atomizing groove 352, and at least two first fluid grooves 353 are spaced apart from each other and symmetrically arranged about the atomizing groove 352. The cover 36 covers one side of the first surface 351 of the base 35. The cover 36 cooperates with the atomizing groove 352 of the first surface 351 to form an atomizing chamber 32, and cooperates with the first fluid groove 353 of the first surface 351 to form a first fluid channel 33. At least two first fluid grooves 353 are symmetrically arranged about the atomizing groove 352, which is conducive to utilizing the geometric symmetry of the first fluid groove 353, solving the problem of atomization bias, and ensuring the atomization effect.

[0066] See also Figure 4 and Figure 5In this embodiment, the first surface 351 of the base 35 is further provided with a second fluid groove 354, which is connected to the atomizing groove 352 and spaced apart from the first fluid groove 353, and the cover 36 cooperates with the second fluid groove 354 to form a second fluid channel 34. At least two first fluid grooves 353 are axially symmetrically arranged about the central axis of the second fluid groove 354. In this embodiment, the side wall of the atomizing groove 352 has an opening, and the opening and the second fluid groove 354 are respectively arranged on both sides of the atomizing groove 352 along the first direction A1, and the cover 36 cooperates with the opening to form a mist outlet 31. The first fluid enters the atomizing chamber 32 through the first fluid channel 33, and the second fluid enters the atomizing chamber 32 through the second fluid channel 34 and is atomized in the atomizing chamber 32 to generate an aerosol. In this embodiment, the first fluid groove 353 and the second fluid groove 354 are both arranged on the first surface 351, and the opening, i.e., the mist outlet 31, is arranged on the side wall of the atomizing groove 352, so that the aerosol is ejected from the mist outlet 31 out of the atomizing chamber 32 in a direction parallel to the first surface 351. At least two first fluid grooves 353 are arranged symmetrically about the central axis of the second fluid groove 354, so that the gas-liquid two-phase shear force of the first fluid and the second fluid is evenly distributed, and the geometric center of the ejected aerosol is located on the central axis of the first surface 351 of the atomizing nozzle 3, thereby avoiding the occurrence of the atomization bias problem. At the same time, at least two first fluid grooves 353 also make the first fluid and the second fluid mix more fully and evenly, with higher atomization efficiency and better effect, and are also conducive to the regulation of the atomization angle and the jet velocity.

[0067] For details, see Figure 4In one embodiment, the first surface 351 of the substrate 35 is provided with two first fluid grooves 353 and one second fluid groove 354, the second fluid groove 354 extends along the first direction A1, and the central axis of the second fluid groove 354 and the central axis of the mist outlet 31 both coincide with the central axis of the atomizing groove 352. Along the second direction A2, the two first fluid grooves 353 are respectively provided on both sides of the atomizing groove 352 and the second fluid groove 354, and the two first fluid grooves 353 are symmetrically provided about the central axis of the atomizing groove 352. Specifically, in the present embodiment, the second direction A2 is perpendicular to the first direction A1. It can be understood that in the present embodiment, two first fluid grooves 353 are provided, and the two first fluid grooves 353 are respectively located on both sides of the second fluid groove 354 along the second direction A2 and are symmetrically arranged about the central axis of the atomization groove 352, so that the second fluid transmitted from the second fluid groove 354 to the atomization groove 352 and the first fluid transmitted from the first fluid groove 353 to the atomization groove 352 are evenly distributed, and the shear force of the gas-liquid two phases between the first fluid and the second fluid is more symmetrical and uniform, and the gas-liquid shearing and mixing produce the same effect in the symmetrical orientation, so that the aerosol can be more sprayed out of the atomization cavity 32 through the position of the mist outlet 31 coinciding with the central axis of the atomization groove 352, thereby ensuring that the geometric center of the aerosol is aligned with the central axis of the mist outlet 31, thereby ensuring the atomization effect, improving the utilization rate of the aerosol, and better avoiding the occurrence of the atomization bias problem. In other embodiments, the second direction A2 may not be set perpendicular to the first direction A1. For example, the second direction A2 and the first direction A1 have an angle not equal to 90°. As long as the two first fluid grooves 353 are respectively arranged on both sides of the atomization groove 352 and the second fluid groove 354 along the second direction A2, the first fluid and the second fluid flowing into the atomization groove 352 can be mixed more evenly.

[0068] See also Figure 5In another embodiment, the first surface 351 of the substrate 35 is provided with an atomization groove 352, two first fluid grooves 353 and a second fluid groove 354, wherein the atomization groove 352 includes two sub-atomization grooves 3521, and the two sub-atomization grooves 3521 are spaced from each other and axially symmetrically arranged along the second direction A2 perpendicular to the first direction A1. Specifically, the first surface 351 is rectangular, and the first surface 351 has an axis of symmetry along the first direction A1, and the two sub-atomization grooves 3521 are symmetrically arranged about the axis of symmetry on the first direction A1 of the first surface 351. The second fluid groove 354 includes two second fluid sub-grooves 3541, and the two second fluid sub-grooves 3541 are respectively connected to the two sub-atomization grooves 3521 in a one-to-one correspondence, and the two second fluid sub-grooves 3541 extend along the first direction A1 and are axially symmetrically arranged. Specifically, the two second fluid sub-grooves 3541 are symmetrically arranged about the axis of symmetry on the first direction A1 of the first surface 351. The two first fluid grooves 353 are connected to the two sub-atomization grooves 3521 in a one-to-one correspondence. The two first fluid grooves 353 are respectively arranged on both sides of the atomization groove 352 and the second fluid groove 354 along the second direction A2 and are axially symmetrically arranged. Specifically, the two first fluid grooves 353 are symmetrically arranged about the symmetry axis in the first direction A1 of the first surface 351. The side wall of each sub-atomization groove 3521 is provided with an opening to cooperate with the cover body 36 to form a mist outlet 31. It can be understood that by setting two axially symmetrical first fluid grooves 353 on the first surface 351, the second fluid groove 354 is set to include two axially symmetrical second fluid sub-grooves 3541, and the atomizing groove 352 includes two axially symmetrical sub-atomizing grooves 3521, the number of first fluid channels 33, second fluid channels 34 and atomizing chamber 32 can be increased, so that at the same flow rate, the first fluid and the second fluid can be more fully mixed, thereby improving the gas-liquid mixing efficiency and thus strengthening atomization. At the same time, the gas-liquid shearing and mixing produce the same effect in the symmetrical orientation, ensuring that the gas-liquid two-phase is evenly distributed, the shear force of the gas-liquid two-phase is more uniform, and the atomization deviation problem of the atomizing nozzle 3 is prevented. The multi-region gas-liquid mixing is also more conducive to the regulation of the atomization angle and the jet velocity, preventing the atomization angle from being too small or the atomizing jet velocity of the atomizing nozzle 3 from being too fast, resulting in the temperature field requirement of the heating element 5 being more concentrated or the heating element 5 being difficult to capture high-speed aerosol droplets / fog clusters, thereby affecting the atomization effect, and effectively improving the atomization performance.

[0069] Furthermore, in the present embodiment, one end of the two second fluid sub-grooves 3541 away from the atomization groove 352 extends to the edge of the first surface 351, and one end of the two second fluid sub-grooves 3541 away from the atomization groove 352 is connected to each other to form a connecting groove 358. The connecting groove 358 can make it easier for external pipelines to connect with the two second fluid sub-grooves 3541, thereby simplifying the structure and making packaging and docking easier.

[0070] For details, see Figure 4 and Figure 5 In this embodiment, the first surface 351 includes a first side 3511 and a second side 3512 opposite to each other along the first direction A1, and a third side 3513 and a fourth side 3514 opposite to each other along the second direction A2. The atomizing groove 352 is arranged near the first side 3511. One of the two first fluid grooves 353 extends from the side wall of the atomizing groove 352 near the third side 3513 to the third side 3513, and the other extends from the side wall of the atomizing groove 352 near the fourth side 3514 to the fourth side 3514. The second fluid groove 354 extends from the side wall of the atomizing groove 352 near the second side 3512 to the second side 3512. The side wall of the atomizing groove 352 near the first side 3511 has an opening to cooperate with the cover body 36 to form the mist outlet 31. In this embodiment, the first fluid groove 353 and the second fluid groove 354 both extend to the edge of the first surface 351, which can be more convenient to communicate with the external pipeline to connect the air pump 2 or the liquid storage bottle 4. In other embodiments, the end of the first fluid groove 353 and / or the second fluid groove 354 away from the atomization groove 352 may not extend to the edge of the first surface 351, and openings may be directly set on the cover body 36 at positions corresponding to the first fluid groove 353 and the second fluid groove 354 to facilitate communication with an external pipeline to connect the air pump 2 or the liquid storage bottle 4, so as to transfer the first fluid to the first fluid groove 353 and the second fluid to the second fluid groove 354.

[0071] See also Figures 6 to 9 , Figure 6 yes Figure 2 A schematic structural diagram of a second embodiment of an atomizing nozzle of an atomizer of an electronic atomizing device is provided, Figure 7 yes Figure 6 A schematic structural diagram of a first embodiment of a base of an atomizing nozzle is provided, Figure 8 yes Figure 6 A schematic structural diagram of a second embodiment of a base of an atomizing nozzle is provided, Fig. 9 yes Figure 6 A schematic structural diagram of a base of a provided atomizing nozzle.

[0072] See also Figure 6The present application also provides another atomizing nozzle 3, which is different from the first embodiment of the atomizing nozzle 3 in that, in this embodiment, the first surface 351 of the base 35 is provided with at least three first fluid grooves 353, and the plurality of first fluid grooves 353 are connected to the atomizing groove 352 and are arranged at intervals along the circumference of the side wall of the atomizing groove 352, and the plurality of first fluid grooves 353 are distributed rotationally symmetrically about the center of the atomizing groove 352. The bottom wall of the atomizing groove 352 is provided with a first through hole, and the first through hole serves as a second fluid channel 34, and the second fluid channel 34 extends in a direction perpendicular to the first surface 351. The cover body 36 is provided with a second through hole at a position corresponding to the atomizing groove 352, and the second through hole serves as a mist outlet 31, so that the aerosol is ejected from the atomizing nozzle 3 from the mist outlet 31 in a direction perpendicular to the first surface 351. That is, in this embodiment, the second fluid channel 34 is provided on the bottom wall of the atomizing groove 352, and the mist outlet 31 is provided on the cover body 36. It should be noted that the rotationally symmetrical distribution in the present embodiment means that the plurality of first fluid grooves 353 can still overlap with the grooves before rotation after rotating a certain angle around the center of the atomizing groove 352, that is, the plurality of first fluid grooves 353 will not overlap with the grooves before rotation only after rotating 180 degrees around the center of the atomizing groove 352, and the angle of rotation is not limited to 180 degrees, and it can be any angle, such as 30 degrees, 60 degrees, 90 degrees, etc. The specific rotation angle is related to the shape and number of the first fluid grooves 353. In the present embodiment, the first fluid grooves 353 are linear structures, and the side walls of the first fluid grooves 353 are all linear. The width of the first fluid grooves 353 can remain unchanged from one end of the first fluid grooves 353 away from the atomizing groove 352 to one end close to the atomizing groove 352, or the width of the first fluid grooves 353 can also gradually decrease from one end of the first fluid grooves 353 away from the atomizing groove 352 to one end close to the atomizing groove 352, and can be designed as needed.

[0073] Specifically, in the present embodiment, the first surface 351 is a rectangular plane, the atomizing groove 352 is circular, and the bottom wall of the atomizing groove 352 is provided with a circular first through hole as the second fluid channel 34, and the aperture of the first through hole is smaller than the diameter of the atomizing groove 352. Preferably, the first through hole is coaxially arranged with the atomizing groove 352 to further ensure the uniformity of atomization. More preferably, the second through hole of the cover body 36 is coaxially arranged with the first through hole and the atomizing groove 352, so that the atomization effect is better, and the aerosol generated by atomization can flow more smoothly from the atomizing chamber 32 to the mist outlet 31 and spray out of the atomizing nozzle 3, so as to better avoid the occurrence of atomization bias problems. In other embodiments, the first through hole, the second through hole and the atomizing groove 352 can also be arranged non-coaxially.

[0074] See also Figure 7In one embodiment, along the end of the first fluid groove 353 away from the atomizing groove 352 to the end close to the atomizing groove 352, the width of the first fluid groove 353 remains unchanged. An atomizing groove 352 and four first fluid grooves 353 are provided on the first surface 351, and the four first fluid grooves 353 are arranged at equal intervals along the circumference of the side wall of the atomizing groove 352. Specifically, two first fluid grooves 353 are arranged on the symmetry axis of the first surface 351 along the first direction A1 and are respectively located on both sides of the atomizing groove 352, and the other two first fluid grooves 353 are arranged on the symmetry axis of the first surface 351 along the second direction A2 and are respectively located on both sides of the atomizing groove 352. The equal interval arrangement of the four first fluid grooves 353 is also more conducive to the uniformity of atomization and ensures the atomization effect. Further, in the present embodiment, the end of the first fluid groove 353 away from the atomizing groove 352 extends to the edge position of the first surface 351, so as to be connected to the external pipeline to receive the first fluid. In other embodiments, the end of the first fluid groove 353 away from the atomization groove 352 may not extend to the edge of the first surface 351 , and communication with the external pipeline may be achieved in other ways.

[0075] See also Figure 8In another embodiment, an atomizing groove 352 and a plurality of first fluid grooves 353 are provided on the first surface 351. The number of the first fluid grooves 353 can be any number such as three, four, five, six, eight, etc. The plurality of first fluid grooves 353 are evenly distributed along the circumference of the side wall of the atomizing groove 352. The width of the first fluid groove 353 gradually decreases from one end of the first fluid groove 353 away from the atomizing groove 352 to one end close to the atomizing groove 352. In this embodiment, the first surface 351 is also provided with a first guide groove 355. The first guide groove 355 surrounds the atomizing groove 352 and is spaced apart from the atomizing groove 352. The first fluid groove 353 is provided on the common side wall of the atomizing groove 352 and the first guide groove 355. The atomizing groove 352 is connected to the first guide groove 355 through the first fluid groove 353. The cover body 36 cooperates with the first guide groove 355 to form a first guide channel 356. Further, the outer side wall of the first guide groove 355 is provided with a notch extending to the edge of the first surface 351, and the cover body 36 cooperates with the notch to form a first interface 357, and the first interface 357 is used to connect to an external pipeline to receive the first fluid. Specifically, the first interface 357 can be connected to one of the air pump 2 or the liquid storage bottle 4 to receive an aerosol-generating matrix or airflow. By arranging the first guide groove 355 on the periphery of the first fluid groove 353, multiple first fluid grooves 353 can be connected to the same first guide groove 355, and the docking conversion of multiple first fluid grooves 353 and one first guide groove 355 is realized. Multiple first fluid grooves 353 are shunted, and the first fluid can be transmitted to multiple first fluid grooves 353 only through a first interface 357, which is conducive to improving the atomization efficiency, simplifying the structure of the atomizer 100, and more convenient for docking and packaging with external pipelines.

[0076] See also Figure 6 and Fig. 9Further, in this embodiment, the atomizing nozzle 3 also includes a base 37, which is arranged on a side of the base 35 away from the cover body 36, and a second guide groove 371 is arranged on the surface of the base 37 close to the base 35, and the second guide groove 371 cooperates with the base 35 to form a second guide channel 372, and the second guide channel 372 is connected with the second fluid channel 34 to transfer the second fluid to the second fluid channel 34. Specifically, one end of the second guide groove 371 away from the second fluid channel 34 is an open end extending to the edge of the base 37, and the base 35 cooperates with the open end to form a second interface 373, and the second interface 373 is used to connect to an external pipeline to receive the second fluid, and specifically, the second interface 373 can be connected to one of the air pump 2 or the liquid storage bottle 4 to receive the aerosol generation matrix or airflow. In other embodiments, the base 37 may not be provided with the second guide groove 371, and the second fluid may be transferred to the second fluid channel 34 in other ways; alternatively, the second guide groove 371 may be provided on the second surface of the substrate 35 opposite to the first surface 351, and the second guide groove 371 of the base 37 and the substrate 35 cooperate to form a second guide channel 372 to facilitate the transfer of the second fluid to the second fluid channel 34.

[0077] See also Figures 10 to 13 , Fig.10 yes Figure 2 A schematic structural diagram of a third embodiment of an atomizing nozzle of an atomizer of an electronic atomizing device is provided, Fig.11 yes Fig.10 A schematic structural diagram of an embodiment of a base of an atomizing nozzle is provided, Fig.12 yes Fig.10 A schematic diagram of the structure of the cover of the atomizing nozzle provided, Fig.13 yes Fig.10 A schematic structural diagram of a base of a provided atomizing nozzle.

[0078] See also Fig.10The present application also provides another atomizing nozzle 3, which is different from the second embodiment of the atomizing nozzle 3 in that, in the present embodiment, the first surface 351 is provided with a plurality of atomizing grooves 352 and a plurality of groups of first fluid grooves 353, each atomizing groove 352 corresponds to a group of first fluid grooves 353, each group of first fluid grooves 353 includes a plurality of first fluid grooves 353, and the plurality of first fluid grooves 353 of each group of first fluid grooves 353 are connected to the corresponding atomizing groove 352, and the structure of each group of the plurality of first fluid grooves 353 and the corresponding atomizing groove 352 is the same as that of the atomizing nozzle 3. Second Embodiment In the second embodiment, the structures of the plurality of first fluid grooves 353 and the atomizing groove 352 are the same, that is, the plurality of first fluid grooves 353 of each group are arranged at intervals along the circumference of the side wall of the corresponding atomizing groove 352. Preferably, the plurality of first fluid grooves 353 of the same group are evenly distributed along the circumference of the side wall of the atomizing groove 352, and the plurality of first fluid grooves 353 of the same group have the same shape. From one end away from the atomizing groove 352 to the end close to the atomizing groove 352, the width of the first fluid groove 353 can remain unchanged or gradually decrease, such as Fig.11 As shown, the width of the first fluid groove 353 gradually decreases toward one end close to the atomization groove 352 .

[0079] Specifically, in the present embodiment, the plurality of atomizing grooves 352 of the first surface 351 can be distributed in an array, or can be evenly distributed on the first surface 351, so that the atomizing efficiency of the atomizing nozzle 3 is higher, and the atomizing grooves 352 distributed in an array are more conducive to the regulation of the atomization angle and the jet velocity. At the same time, the distribution of the plurality of first fluid grooves 353 will also be more even, which can more effectively solve the problem of atomization bias and improve the atomization performance. The gas-liquid mixing in multiple regions also makes the first fluid and the second fluid mix more fully at the same flow rate, thereby improving the gas-liquid mixing efficiency and strengthening the atomization effect. The cover body 36 is provided with a plurality of mist outlets 31, and the mist outlets 31 are through holes provided on the cover body 36. The number of the mist outlets 31 is consistent with the number of the atomizing grooves 352, and the plurality of mist outlets 31 are arranged one by one with the plurality of atomizing grooves 352. Preferably, the plurality of mist outlets 31 correspond to the plurality of atomizing grooves 352 and are distributed in an array, so that the atomization efficiency is higher. In other embodiments, the plurality of atomization slots 352 may also be randomly distributed, as long as it can be ensured that each group of the plurality of first fluid slots 353 can be connected to the corresponding atomization slot 352 .

[0080] See also Fig.11In this embodiment, the first surface 351 is provided with four atomizing grooves 352 and four groups of first fluid grooves 353. The four atomizing grooves 352 are arranged on the first surface 351 at intervals to form an array distribution. The number of first fluid grooves 353 included in each group of first fluid grooves 353 is equal, and the shapes of the multiple groups of first fluid grooves 353 are the same. The multiple first fluid grooves 353 corresponding to each atomizing groove 352 are arranged at intervals from the first fluid grooves 353 of other groups to ensure that the multiple first fluid grooves 353 in each group of first fluid grooves 353 can smoothly transfer the first fluid to the corresponding atomizing groove 352, so that the first fluid and the second fluid are mixed more evenly, thereby improving the atomization efficiency. At the same time, it can also ensure that the atomization effect and atomization efficiency of the four atomizing grooves 352 are more consistent, the atomization is more uniform, and the problem of atomization bias is less likely to occur. See Fig.10 and Fig.12 In this embodiment, the cover 36 is provided with four mist outlets 31, which are circular through holes. The four mist outlets 31 are arranged in one-to-one correspondence with the four atomizing grooves 352, so that the aerosol generated by atomization in the atomizing chamber 32 can be smoothly ejected from the corresponding mist outlets 31. In other embodiments, the number of atomizing grooves 352 can be set to any other number greater than two, for example, any number of three, five, six, eight, etc., and the plurality of atomizing grooves 352 can be evenly distributed on the first surface 351. The number of first fluid grooves 353 included in the plurality of groups of first fluid grooves 353 can also be different, and the shapes can also be different.

[0081] See also Fig.11 In this embodiment, the first surface 351 is further provided with a first guide groove 355, which is arranged around the atomization groove 352 and is spaced apart from the plurality of atomization grooves 352, and is connected to all the first fluid grooves 353. Specifically, the first guide groove 355 is arranged around the periphery of the plurality of first fluid grooves 353 and is connected to the plurality of first fluid grooves 353, and the cover body 36 cooperates with the first guide groove 355 to form a first guide channel 356. Furthermore, the outer side wall of the first guide groove 355 is provided with a notch extending to the edge of the first surface 351, and the cover body 36 cooperates with the notch to form a first interface 357, and the first interface 357 is used to connect to an external pipeline to receive the first fluid. The first fluid is transmitted to the first guide groove 355 through the first interface 357, and the first guide groove 355 connecting multiple groups of first fluid grooves 353 transmits the first fluid to multiple first fluid grooves 353, so that the transmission efficiency of the first fluid is higher, and the gas-liquid mixing in multiple regions also makes the first fluid and the second fluid mix more fully at the same flow rate, thereby improving the gas-liquid mixing efficiency and further improving the atomization efficiency.

[0082] See also Fig.10 and Fig.13In this embodiment, the atomizing nozzle 3 includes a base 37, and the base 37 is provided with a guide hole 374, which is a through hole penetrating the base 37. Specifically, Fig.13 As shown, the guide hole 374 is a circular hole. The surface of the base 37 close to the substrate 35 is provided with a plurality of second guide grooves 371, and the plurality of second guide grooves 371 are all connected to the guide hole 374. The number of the second guide grooves 371 is equal to the number of the atomizing grooves 352. The plurality of second guide grooves 371 are connected to the second fluid channels 34 of the bottom walls of the plurality of atomizing grooves 352 in a one-to-one correspondence. Specifically, one end of the second guide groove 371 is connected to the guide hole 374, and the other end extends to a position corresponding to the second fluid channel 34 of the bottom wall of the atomizing groove 352, so as to realize the connection between the second guide groove 371 and the second fluid channel 34. The guide hole 374 is used to communicate with an external pipeline to receive the second fluid and transmit the second fluid to the second guide groove 371. The second fluid in the second guide groove 371 is transmitted to the atomizing chamber 32 through the second fluid channel 34 so as to be mixed and atomized with the first fluid.

[0083] In this embodiment, four second guide grooves 371 are arranged on the surface of the base 37 close to the substrate 35, and the four second guide grooves 371 are arranged at circumferential intervals along the side wall of the guide hole 374, and the ends of the four second guide grooves 371 away from the guide hole 374 are connected to the second fluid channels 34 on the bottom walls of the four atomization grooves 352 in a one-to-one correspondence. Specifically, the guide hole 374 is arranged at the center of the base 37, and the four second guide grooves 371 have the same shape, which are all long strips. The four second guide grooves 371 are distributed corresponding to the four atomization grooves 352 distributed in an array, and the distance between the end of the four second guide grooves 371 away from the guide hole 374 and the guide hole 374 is equal, that is, the lengths of the four second guide grooves 371 are equal. It can be understood that the guide hole 374 is arranged at the center of the base 37, and the shape and length of the four second guide grooves 371 are the same, so that the flow rate and rate of the second fluid transmitted from the four second guide grooves 371 to the four second fluid channels 34 can be equal, so that the atomization efficiency in the four atomization chambers 32 is more consistent, the amount of aerosol sprayed is more consistent, and the atomization is more uniform, so that the gas-liquid shear produces the same effect in multiple directions, which is more conducive to solving the atomization bias problem and improving the atomization performance. In other embodiments, the guide hole 374 may also be set at other positions of the base 37, not necessarily at the center of the base 37, and the shapes or lengths of the multiple second guide grooves 371 may also be different. As long as the multiple second guide grooves 371 can be connected to the guide hole 374, the second fluid can be transmitted to the second fluid channel 34.

[0084] The present application also provides a method for preparing an atomizing nozzle 3, so as to prepare the atomizing nozzle 3 as described above. Specifically, the method for preparing the atomizing nozzle 3 comprises:

[0085] S1: Provide a substrate 35, and prepare an atomization groove 352 and a plurality of first fluid grooves 353, and the plurality of first fluid grooves 353 are symmetrically distributed about the atomization groove 352.

[0086] Specifically, a substrate 35 is provided, and the substrate 35 may include a silicon substrate 35, and the substrate 35 is rectangular in shape and has a thickness in the range of 0.5 mm-1 mm. The substrate 35 is cleaned. Specifically, acetone, ethanol, and deionized water are used to ultrasonically clean the substrate 35 for 3 minutes, and then the moisture on the surface of the substrate 35 is dried, and then it is cleaned with plasma for another 5 minutes. Then, the substrate 35 is subjected to front-side glue uniforming. Specifically, the substrate 35 has a first surface 351. A photoresist with a thickness of 5-20 μm is uniformly applied on the first surface 351 of the cleaned substrate 35, and the photoresist is placed in an oven at 90-120° C. or on a hot plate to be baked and cured. Then, the photoresist is patterned. Specifically, a mask is used to perform contact exposure on the photoresist, and the patterns of the atomization groove 352 and the plurality of first fluid grooves 353 are transferred from the mask to the photoresist. The atomization groove 352 and the plurality of first fluid grooves 353 are exposed to ultraviolet light and developed. The photoresist is dissolved by the developer, thereby removing the photoresist at the corresponding positions of the atomization groove 352 and the plurality of first fluid grooves 353, and retaining a photoresist pattern with a certain thickness. The retained photoresist pattern is used as a shielding layer, and the first surface 351 not shielded by the photoresist is etched to a depth within a range of 100-300 μm to form the atomization groove 352 and the plurality of first fluid grooves 353. The photoresist pattern is then debonded using a debonding liquid to obtain a substrate 35 having an atomization groove 352 and a plurality of first fluid grooves 353. The plurality of first fluid grooves 353 are symmetrically arranged about the atomization groove 352. Specifically, the plurality of first fluid grooves 353 can be axially symmetrically arranged about the central axis of the atomization groove 352, or can be rotationally symmetrically distributed about the center of the atomization groove 352.

[0087] In a specific embodiment, the substrate 35 can be etched to form a first guide groove 355 surrounding the atomizing groove 352 and spaced apart from the atomizing groove 352, so that a plurality of first fluid grooves 353 are located on the common sidewall of the atomizing groove 352 and the first guide groove 355, and the atomizing groove 352 and the first guide groove 355 are connected through the first fluid groove 353, so as to facilitate the subsequent transmission of the first fluid to the first fluid groove 353 and the atomizing groove 352 through the first guide groove 355. The number of the atomizing grooves 352 on the first surface 351 of the substrate 35 can be one or more, and when the number of the atomizing grooves 352 is more than one, the plurality of atomizing grooves 352 can be evenly distributed on the first surface 351, so as to solve the problem of atomization bias.

[0088] Specifically, in the present embodiment, when performing photoresist patterning and etching the substrate 35, a second fluid groove 354 spaced apart from the first fluid groove 353 and connected to the atomization groove 352 can be directly etched on the first surface 351 to facilitate the transfer of the second fluid to the atomization groove 352; or, after etching the first surface 351 of the substrate 35 to form the atomization groove 352 and the first fluid groove 353, a secondary photolithography process can be performed to etch a first through hole on the bottom wall of the atomization groove 352 as the second fluid channel 34 to facilitate the transfer of the second fluid to the atomization groove 352. The design can be performed as needed.

[0089] S2: Provide a cover body 36 and punch holes in the cover body 36 to form a mist outlet 31.

[0090] Specifically, a cover body 36 is provided, and the material of the cover body 36 may include glass or other materials. The cover body 36 is punched with a laser processing technology to form a mist outlet 31. For example, a circular second through hole is prepared at the position of the cover body 36 corresponding to the atomizing groove 352 using laser technology as the mist outlet 31, wherein the diameter of the mist outlet 31 matches the diameter of the atomizing groove 352. Preferably, the diameter of the mist outlet 31 is in the range of 0.3-1mm, which can make the atomization effect stronger. Among them, the number of mist outlets 31 on the cover body 36 is consistent with the number of atomizing grooves 352 prepared and formed in step S1. For example, in step S1, the first surface 351 of the substrate 35 is prepared with four atomizing grooves 352, and the cover body 36 is also prepared with four mist outlets 31. The four mist outlets 31 are arranged one by one with the four atomizing grooves 352, so that the aerosols generated by atomization in the four atomizing grooves 352 can be ejected from the corresponding mist outlets 31.

[0091] S3: Provide a base 37, punch holes in the base 37 to form a guide hole 374, and prepare a guide groove connected to the guide hole 374 on one surface of the base 37.

[0092] Specifically, a base 37 is provided, and the shape of the base 37 is the same as that of the substrate 35 and the cover 36. The material of the base 37 may include glass or other materials. The base 37 is punched with a laser processing technology to form a guide hole 374. For example, a circular through hole is opened at the center of the base 37 using a laser processing technology as a guide hole 374. Preferably, the diameter of the guide hole 374 is in the range of 0.3-1mm, so that the transmission efficiency of the second fluid is higher, which is more conducive to improving the atomization efficiency. Further, a second guide groove 371 connected to the guide hole 374 is prepared on a surface of the base 37 using a photoresist process, and the number of the second guide groove 371 is consistent with the number of the atomization grooves 352 prepared in step S1. Specifically, in one embodiment, four atomization grooves 352 are prepared on the substrate 35 in step S1, and the bottom wall of each atomization groove 352 is provided with a circular first through hole as the second fluid channel 34, and the four atomization grooves 352 are evenly distributed. Four second guide grooves 371 are formed on a surface of the base 37 by using a photoresist process. The four second guide grooves 371 are arranged at intervals and are all connected to the guide holes 374 .

[0093] S4: Assemble the substrate 35, the cover 36 and the base 37 to prepare the atomizing nozzle 3.

[0094] Specifically, the cover body 36 is bonded to the first surface 351 of the substrate 35 so that the mist outlet 31 of the cover body 36 is arranged corresponding to the atomizing groove 352 of the substrate 35, and the cover body 36 and the atomizing groove 352 cooperate to form the atomizing chamber 32, and the cover body 36 and the first fluid groove 353 cooperate to form the first fluid channel 33. In a specific embodiment, the cover body 36 cooperates with the first guide groove 355 to form the first guide channel 356. When the first surface 351 of the substrate 35 is etched with the second fluid groove 354 in step S1, the second fluid groove 354 cooperates with the cover body 36 to form the second fluid channel 34. When the first surface 351 is etched with multiple atomizing grooves 352, and the cover body 36 is formed with multiple mist outlets 31, the multiple mist outlets 31 are arranged one by one with the multiple atomizing grooves 352. The surface of the base 37 provided with the second guide groove 371 is bonded to the second surface of the base 35 away from the first surface 351, so that the second guide groove 371 of the base 37 cooperates with the second surface of the base 35 to form a second guide channel 372. When the base 37 is provided with a plurality of second guide grooves 371, one end of the plurality of second guide grooves 371 away from the guide hole 374 is connected to the second fluid channel 34 of the bottom wall of the plurality of atomizing grooves 352 in a one-to-one correspondence, so that the guide hole 374 is connected to the external pipeline to transmit the second fluid to the second guide channel 372 and then to the second fluid channel 34. By bonding and assembling the cover 36, the base 35 and the base 37, the atomizing nozzle 3 is finally prepared and formed, which effectively solves the atomization deviation problem of the atomizing nozzle 3.

[0095] Different from the prior art, the present application discloses an atomizing nozzle 3, an atomizer 100 and an electronic atomizing device, wherein the atomizing nozzle 3 includes an atomizing chamber 32, at least two first fluid channels 33, a second fluid channel 34 and a mist outlet 31; at least two first fluid channels 33 are connected to the atomizing chamber 32, the first fluid channel 33 is used to transfer the first fluid to the atomizing chamber 32, at least two first fluid channels 33 are symmetrically distributed about the atomizing chamber 32, the second fluid channel 34 is connected to the atomizing chamber 32, and is used to transfer the second fluid to the atomizing chamber 32, and the first fluid and the second fluid are atomized in the atomizing chamber 32 to generate an aerosol; the mist outlet 31 is connected to the atomizing chamber 32, and is used to eject the aerosol out of the atomizing chamber 32. Through the above-mentioned configuration, the atomizing nozzle 3 is configured to include at least two first fluid channels 33 and are symmetrically distributed about the atomizing chamber 32, so that the gas-liquid two-phase distribution is uniform, which effectively solves the atomization bias problem existing in the atomizing nozzle 3 in the prior art and improves the atomization taste.

[0096] The above descriptions are merely embodiments of the present application and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. An atomizing nozzle, characterized in that: include: Atomization chamber; At least two first fluid channels are connected to the atomization chamber; the first fluid channels are used to transfer the first fluid to the atomization chamber; The at least two first fluid channels are symmetrically distributed about the atomization chamber; a second fluid channel, which is in communication with the atomizing chamber and is spaced apart from the first fluid channel; the second fluid channel is used to transfer a second fluid to the atomizing chamber, and to atomize the first fluid and the second fluid in the atomizing chamber to generate an aerosol; A mist outlet is connected to the atomization chamber, and the mist outlet is used to spray the aerosol out of the atomization chamber.

2. The atomizing nozzle according to claim 1, characterized in that: The atomizing nozzle comprises: A substrate having a first surface; the first surface is provided with an atomization groove and at least two first fluid grooves, the first fluid groove is connected to the atomization groove, and the at least two first fluid grooves are spaced apart from each other and symmetrically arranged about the atomization groove; A cover body covers the first surface; the cover body cooperates with the atomization groove to form the atomization cavity, and cooperates with the first fluid groove to form the first fluid channel.

3. The atomizing nozzle according to claim 2, characterized in that: The first surface is also provided with a second fluid groove, the second fluid groove is connected with the atomization groove and is spaced apart from the first fluid groove; the cover body cooperates with the second fluid groove to form the second fluid channel; The at least two first fluid grooves are axially symmetrically arranged about the central axis of the second fluid groove; the side wall of the atomization groove has an opening, the opening and the second fluid groove are respectively arranged on both sides of the atomization groove along the first direction, and the cover body cooperates with the opening to form the mist outlet.

4. The atomizing nozzle according to claim 3, characterized in that: The first surface is provided with two first fluid grooves and one second fluid groove; the second fluid groove extends along the first direction, and the central axis of the second fluid groove and the central axis of the mist outlet coincide with the central axis of the atomization groove; Along the second direction, the two first fluid grooves are respectively arranged on both sides of the atomization groove and the second fluid groove, and the two first fluid grooves are axially symmetrically arranged about the central axis of the atomization groove.

5. The atomizing nozzle according to claim 3, characterized in that: The first surface is provided with one atomizing groove, two first fluid grooves and one second fluid groove; the atomizing groove includes two sub-atomizing grooves, and the two sub-atomizing grooves are arranged at intervals and axially symmetrically along the second direction; The second fluid groove comprises two second fluid sub-grooves, the two second fluid sub-grooves are respectively connected to the two sub-atomization grooves in a one-to-one correspondence, and the two second fluid sub-grooves both extend along the first direction and are axially symmetrically arranged; The two first fluid grooves are connected to the two sub-atomization grooves one by one, respectively. The two first fluid grooves are arranged on both sides of the atomization groove and the second fluid groove along the second direction and are axially symmetrical. The side wall of each sub-atomization groove is provided with the opening.

6. The atomizing nozzle according to claim 2, characterized in that: The first surface is provided with at least three first fluid grooves, a plurality of the first fluid grooves are connected to the atomizing groove and are arranged at intervals along the circumferential direction of the side wall of the atomizing groove, and the plurality of the first fluid grooves are rotationally symmetrically distributed about the center of the atomizing groove; The bottom wall of the atomizing groove is provided with a first through hole, and the first through hole serves as the second fluid channel; the cover body is provided with a second through hole at a position corresponding to the atomizing groove, and the second through hole serves as the mist outlet; The first fluid groove is linear; along the first fluid groove from one end away from the atomization groove to one end close to the atomization groove, the width of the first fluid groove remains unchanged, or the width of the first fluid groove gradually decreases.

7. The atomizing nozzle according to claim 6, characterized in that: The first fluid groove extends from the atomization groove to the edge of the first surface; Alternatively, the first surface is further provided with a first guide groove, the first guide groove surrounds the atomization groove and is spaced apart from the atomization groove, the first fluid groove is provided on a common side wall of the atomization groove and the first guide groove, the atomization groove is connected to the first guide groove through the first fluid groove; the cover body cooperates with the first guide groove to form a first guide channel.

8. The atomizing nozzle according to claim 6, characterized in that: The first surface is provided with a plurality of the atomizing grooves and a plurality of groups of the first fluid grooves; the plurality of the first fluid grooves in each group of the first fluid grooves are connected with the corresponding atomizing grooves; the cover body is provided with a plurality of the mist outlets, and the plurality of the mist outlets are arranged one by one in correspondence with the plurality of the atomizing grooves; The first surface is further provided with a first guide groove, which is arranged around the atomizing groove and spaced apart from the atomizing groove, and the first guide groove is connected with all the first fluid grooves; the cover body cooperates with the first guide groove to form a first guide channel; The atomizing nozzle further comprises a base, wherein a surface of the base close to the substrate is provided with a plurality of second guide grooves, wherein the second guide grooves cooperate with the substrate to form a second guide channel; the base is provided with a guide hole, wherein the guide hole passes through the base, wherein the plurality of second guide grooves are all connected to the guide hole, and the guide hole is used to connect to an external pipeline to receive the second fluid; The number of the second guide grooves is equal to that of the atomization grooves. The second guide grooves extend from one end of the guide hole to correspond to the second fluid channel. The plurality of second guide grooves are connected to the plurality of second fluid channels in a one-to-one correspondence.

9. An atomizer, characterized in that: include: An atomizing nozzle, comprising the atomizing nozzle according to any one of claims 1 to 8; an air pump, in fluid communication with one of the first fluid channel and the second fluid channel, for providing a high-speed air flow to the atomizing nozzle; A liquid storage bottle is used to store an aerosol-generating substrate. The liquid storage bottle is fluidically connected to the other of the first fluid channel and the second fluid channel, and is used to provide the aerosol-generating substrate to the atomizing nozzle.

10. An electronic atomization device, characterized in that: include: An atomizer, comprising the atomizer according to claim 9; A power supply assembly is electrically connected to the atomizer and is used to provide energy to the atomizer.

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