CN116998769A - Electronic atomization system and atomization treatment method - Google Patents

Abstract

The application relates to the technical field of oil atomization, in particular to an electronic atomization system and an atomization treatment method, wherein the atomization system comprises the following components: a gas supply module adapted to provide a high pressure gas flow; a liquid supply module adapted to provide an aerosol-generating medium; the jet atomizing module is suitable for clash mixing of the high-pressure air flow and the aerosol generating medium, shearing and crushing of the aerosol generating medium are performed by utilizing shearing force generated by speed difference between the high-pressure air flow and the aerosol generating medium to form atomized particles, the whole atomizing process is free of phase change, atomization is performed at a lower temperature all the time, the phenomenon that partial components of the aerosol generating medium are decomposed and degenerated at a high temperature is avoided, the reducibility is extremely high, the safety is safer, and the defects that the existing electronic atomizing device is low in safety, poor in reducibility and easy to generate scorching smell due to the fact that the existing electronic atomizing device adopts a high-temperature heating atomizing mode can be effectively avoided.

Description

Electronic atomization system and atomization treatment method

Technical Field

The application relates to the technical field of oil atomization, in particular to an electronic atomization system and an atomization treatment method.

Background

Most of the existing electronic atomization devices realize atomization by heating an aerosol generating medium to a boiling state through electric heating elements such as ceramic or cotton cores in a heat conduction mode, and the aerosol generating medium is subjected to a high-temperature heating process on the electric heating elements due to the fact that the boiling temperature of the aerosol generating medium is high. However, the high temperature of the electric heating element may not only cause decomposition and deterioration of some effective components contained in the aerosol generating medium at high temperature, so as to cause the change of burnt smell or aroma of the aerosol, directly affect the sucking quality and affect the use experience of the product, but also cause cracking, falling, carbonization or dissolution of the material of the electric heating element or the oil guiding element after long-term use, thus having potential health hidden trouble.

Disclosure of Invention

Therefore, the technical problem to be solved by the application is to overcome the defects of low safety, poor reducibility and easy generation of scorching smell of the electronic atomization device in the prior art by adopting a high-temperature heating atomization mode, thereby providing an electronic atomization system with high safety and reducibility and difficult decomposition and deterioration and an atomization treatment method.

In order to solve the above-described problems, in a first aspect, the present application provides an electronic atomizing system including:

a gas supply module adapted to provide a high pressure gas flow;

a liquid supply module adapted to provide an aerosol-generating medium;

and the jet atomizing module is suitable for carrying out collision mixing on the high-pressure air flow and the aerosol generating medium so as to shear and crush the aerosol generating medium to form atomized particles by utilizing a shearing force generated by a speed difference between the high-pressure air flow and the aerosol generating medium.

Optionally, the jet atomization module comprises:

the inlet end of the first jet nozzle is communicated with the air supply module, and the outlet end of the first jet nozzle is suitable for jetting a high-speed air flow beam outwards;

a second jet nozzle having an inlet end in communication with the liquid supply module and an outlet end adapted to jet an aerosol-generating media stream outwardly;

the gas flow beam sprayed by the first jet nozzle and the aerosol generating medium beam sprayed by the second jet nozzle form a set included angle and collide and mix with each other to form atomized particles.

Optionally, the set included angle is between 0 and 90 degrees;

the second jet nozzles are a plurality of and are arranged around the first jet nozzle; or the second jet nozzle is of an annular structure arranged on the periphery of the first jet nozzle.

Optionally, the jet atomization module comprises:

the atomization cavity is respectively communicated with the air supply module and the liquid supply module, and aerosol generating medium introduced into the atomization cavity is mixed with the high-pressure air flow to form atomized particles;

and the jet flow spray hole is communicated with the inside and the outside of the mixing cavity and is suitable for spraying atomized particles in the mixing cavity.

Optionally, the jet atomization module comprises:

an atomization seat provided with an atomization cavity with an open top;

the air inlet channel is formed on the peripheral wall of the atomizing seat and is suitable for introducing high-pressure air flow into the atomizing cavity;

the liquid inlet bolt body is inserted in the atomizing seat, a hollow liquid inlet channel is arranged in the liquid inlet bolt body, the upper end of the liquid inlet bolt body is in interference fit with the atomizing seat and is communicated with the liquid supply module, and the lower end of the liquid inlet bolt body is in clearance fit with the atomizing seat and is communicated with the atomizing cavity.

Optionally, the jet spray hole is configured on a bottom wall of the atomizing base, and the jet spray hole comprises:

a cylindrical aperture section positioned on a side adjacent to the atomizing chamber, the cylindrical aperture section having an aperture of less than or equal to 0.5mm;

and the conical aperture section is positioned at one side far away from the atomizing cavity and is from the spraying direction of atomized particles, and the aperture of the conical aperture section is gradually increased.

Optionally, the atomization seat is provided with a cylindrical peripheral wall, and the cylindrical peripheral wall comprises a clearance fit section which is suitable for clearance fit with the liquid inlet bolt body;

the periphery of the clearance fit section of the cylindrical peripheral wall is provided with a plurality of air inlet channels, and the air inlet channels are arranged at intervals along the circumferential direction of the cylindrical peripheral wall.

Optionally, from the direction of the aerosol-generating medium flow, the liquid inlet channel comprises a first cylindrical bore section, a conical reducing section and a second cylindrical bore section connected in sequence, wherein the bore diameter of the second cylindrical bore section is smaller than the first cylindrical bore section.

Optionally, the electronic atomization system further includes:

the preheating module is arranged between the liquid supply module and the jet atomization module and is suitable for preheating aerosol generating media supplied to the jet atomization module;

and the control module is suitable for controlling the air supply module and/or the liquid supply module and/or the jet atomizing module and/or the preheating module.

Optionally, the electronic atomization system further includes:

the air passage module is arranged between the jet atomizing module and the atomizing outlet and is suitable for collecting and reducing the speed of atomized particles formed by the aerosol generating medium;

and the secondary heating module is connected with the air passage module or is arranged in the air passage module and is suitable for carrying out secondary heating on atomized particles flowing through the air passage module.

Optionally, the air passage module comprises an air passage shell, wherein the air passage shell is made of oleophobic material; and/or, the inner surface of the airway shell is subjected to oleophobic treatment; and/or an airflow speed reducing structure is arranged in the air passage shell.

Optionally, the gas supply module comprises a gas compression unit, a first valve group unit and a gas supply pipeline, wherein the first valve group unit is suitable for controlling the on-off of the gas supply pipeline and/or the magnitude of gas supply pressure and/or the magnitude of gas supply flow;

and/or the liquid supply module comprises a pumping unit, a second valve group unit and a liquid supply pipeline, wherein the second valve group unit is suitable for controlling the on-off state of the liquid supply pipeline and/or the size of the liquid supply flow.

In a second aspect, the present application also provides a base atomization treatment method, which is applied to the above electronic atomization system, and the method includes the following steps:

impinging and mixing the high pressure gas stream with an aerosol-generating medium;

and shearing and crushing the aerosol-generating medium to form atomized particles by utilizing a shearing force generated by a speed difference between the high-pressure airflow and the aerosol-generating medium.

Optionally, the following steps are performed before said impinging mixing of the high pressure gas stream with the aerosol-generating medium:

preheating the aerosol-generating medium and controlling the temperature of the aerosol-generating medium supplied to the jet atomizing module to be between 80 ℃ and 150 ℃;

the gas flow rate is controlled between 100m/s and 340 m/s.

Optionally, the following steps are also performed after formation of the atomized particles:

and collecting and decelerating the atomized particles, and secondarily heating the atomized particles.

The application has the following advantages:

1. according to the electronic atomization system provided by the application, the air supply module suitable for providing high-pressure air flow and the jet atomization module suitable for carrying out collision mixing on the high-pressure air flow and the aerosol generating medium are arranged, so that the shearing force generated by the speed difference between the high-pressure air flow and the aerosol generating medium can be utilized to shear and crush the aerosol generating medium to form atomized particles, the whole atomization process is free from phase change, atomization is carried out at a lower temperature all the time, the phenomenon that a part of components of the aerosol generating medium are decomposed and deteriorated due to high temperature is avoided, the reducibility is extremely high, the safety is safer, and the defects of low safety, poor reducibility and easiness in generating scorching taste caused by adopting a high-temperature heating atomization mode in the traditional electronic atomization device can be effectively avoided.

2. According to the electronic atomization system provided by the application, the aerosol generating medium is preheated through the preheating module arranged between the liquid supply module and the jet atomization module, the preheated aerosol generating medium is supplied to the jet atomization module, the viscosity of the aerosol generating medium introduced into the jet atomization module is reduced, the crushing effect of the aerosol generating medium is obviously improved, the diameter of atomized particles is reduced, and the atomization effect is better when jet atomization is carried out.

3. According to the electronic atomization system provided by the application, the atomization particles released by the jet atomization module can be collected and slowed down through the arranged air passage module, the atomization particles entering the air passage module collide with the bottom of the air passage and then flow out from the air passage outlet at the side part, the movement direction of the atomization particles is changed, and the kinetic energy is lost when the particles collide, so that the particle speed reaching the atomization outlet is reduced. In addition, the airway material is an oleophobic material or the inner surface of the airway is subjected to oleophobic treatment, so that adhesion of atomized particles is avoided.

4. According to the electronic atomization system provided by the application, through the secondary heating module, the atomized particles are secondarily heated, so that not only can the smoke outlet temperature be increased, but also the particle size of the atomized particles can be controlled, and the size of the atomized particles can be further reduced, thereby promoting the further volatilization of essence and perfume in an aerosol generating medium, ensuring sufficient fragrance and improving the suction quality.

5. According to the atomization treatment method provided by the application, before the high-pressure airflow and the aerosol generating medium are collided and mixed, the aerosol generating medium is preheated, the temperature of the aerosol generating medium supplied to the jet atomization module is controlled to be between 80 ℃ and 150 ℃, as the lowest boiling point of the effective components such as essence and perfume in the aerosol generating medium is 150 ℃, the preheating temperature is lower than 150 ℃, the essence and perfume can not volatilize in the preheating process, the fragrance quality at a subsequent atomization outlet is ensured, meanwhile, the preheating temperature is controlled to be higher than 80 ℃, the viscosity of the aerosol generating medium is reduced from 200Cp at normal temperature to 20Cp at 80 ℃, and the viscosity is greatly reduced, so that atomization is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a simplified schematic of the composition of an electronic atomizing system in an embodiment;

FIG. 2 shows a schematic diagram of an external mixing type jet atomization module structure in an embodiment;

FIG. 3 shows a cross-sectional view of the structure of the single gas single liquid external mixing type jet atomizing module in FIG. 2;

FIG. 4 shows a cross-sectional view of the structure of the single gas multiple liquid external mix jet atomizing module of FIG. 2;

FIG. 5 shows a cross-sectional view of an external mix jet atomizing module for single ring gas and liquid feed in an embodiment;

FIG. 6 shows a cross-sectional view of an external mix jet atomizing module for multi-ring gas and liquid feed in an embodiment;

FIG. 7 shows a longitudinal cross-sectional view of an internal mixing jet atomizing module in an embodiment;

FIG. 8 illustrates an atomization dynamic diagram of an internal mixing jet atomization module in an embodiment;

FIG. 9 illustrates a schematic diagram of the configuration of an airway module at an angle in an embodiment;

FIG. 10 illustrates a schematic diagram of another angle of the airway module in an embodiment;

FIG. 11 shows a graph of aerosol-generating medium versus temperature in an embodiment;

figure 12 shows a morphology of an aerosol-generating medium at 25 ℃ prior to preheating in an example;

figure 13 shows a morphology of an aerosol-generating medium at 60 ℃ after preheating in an example.

Reference numerals illustrate:

10. a gas supply module;

20. a liquid supply module;

30. a jet atomizing module; 301. an atomizing chamber;

31. a first jet nozzle; 32. a second jet nozzle; 33. an atomization seat; 331. jet flow spray hole; 332. an air intake passage; 333. an annular clamping table; 34. a liquid inlet bolt body; 341. a liquid inlet channel; 342. an interference section; 343. a non-interference section; 344. a blocking boss;

40. a preheating module;

50. a control module;

60. an airway module; 61. an airway housing; 62. an airway outlet;

70. a secondary heating module;

80. an atomization outlet.

Detailed Description

The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present application described below may be combined with each other as long as they do not collide with each other.

Example 1

As shown in fig. 1 to 13, the present embodiment provides an electronic atomizing system comprising a gas supply module 10, a liquid supply module 20 and a jet atomizing module 30, the gas supply module 10 being adapted to provide a high pressure gas flow, the liquid supply module 20 being adapted to provide an aerosol-generating medium; the jet atomizing module 30 is adapted to impinging the high pressure gas stream and the aerosol-generating medium to shear and break the aerosol-generating medium into atomized particles using shear forces generated by a velocity differential between the high pressure gas stream and the aerosol-generating medium.

According to the embodiment, by adopting a high-speed gas auxiliary atomization mode, the high-speed gas and the speed difference of the aerosol generating medium are utilized, so that the aerosol generating medium is sheared, crushed and atomized, the whole atomization process is free of phase change and always at a lower temperature for atomization, the phenomenon that partial components of the aerosol generating medium are decomposed and degenerated at a high temperature is avoided, the reducibility is extremely high, the safety problem is avoided, the safety is higher, and the defects of low safety, poor reducibility and easy scorching smell caused by adopting a high-temperature heating atomization mode in the existing electronic atomization device can be effectively avoided.

In this embodiment, the jet atomizing module 30 is a core part of the entire atomizing system, and the jet atomizing principle is that the high-pressure air flow is extremely high, the speed of the aerosol generating medium is generally greater than 200m/s, the speed of the aerosol generating medium is between 0.01 and 0.1m/s, the aerosol generating medium is negligibly sheared by utilizing the speed difference between the high-pressure air flow and the aerosol generating medium, and after the shearing force overcomes the viscosity force and the surface tension of the aerosol generating medium, the aerosol generating medium is crushed, and the aerosol generating medium is crushed into particles with the diameter of 10um or less, so as to form atomized particles.

In this embodiment, the jet atomizing module 30 mixes the aerosol-generating medium and the high-speed and high-pressure air by means of internal mixing and external mixing, and the two mixing modes are described in detail below.

As shown in fig. 2 to 6, in one implementation of the present embodiment, the jet atomization module 30 performs jet atomization in an external mixing manner.

Specifically, as shown in fig. 2 and 3, the jet atomizing module 30 includes a first jet nozzle 31 and a second jet nozzle 32. Wherein: the inlet end of the first jet nozzle 31 is communicated with the air supply module 10, and the outlet end is suitable for jetting high-speed air flow beams outwards; the inlet end of the second jet nozzle 32 is in communication with the liquid supply module 20 and the outlet end is adapted to spray a bundle of aerosol-generating medium outwardly; the gas stream ejected from the first jet nozzle 31 and the aerosol-generating medium stream ejected from the second jet nozzle 32 form a set angle and intersect each other to collide and mix with each other to form atomized particles.

Optionally, the set included angle is between 0 and 90 degrees.

Alternatively, in the above embodiment, as shown in fig. 2 and 4, the second jet nozzles 32 are plural and are disposed around the first jet nozzle 31, and the liquid discharge amount can be increased by providing plural second jet nozzles 32, thereby improving the atomization efficiency. Preferably, the number of the second jet nozzles 32 is two, and the second jet nozzles are symmetrically arranged at two sides of the first jet nozzle 31.

Alternatively, in another variant, the number of the first jet nozzles 31 may be plural, and the number of the corresponding second jet nozzles 32 may be one or plural.

In this embodiment, the jet atomizing module 30 may be configured to form a single or multiple streams of high pressure gas and form a single or multiple streams of aerosol-generating medium by using the above-described structural design.

Alternatively, in another modification, as shown in fig. 2 and 5, the second jet nozzle 32 has a ring-shaped structure provided on the outer periphery of the first jet nozzle 31. The second jet nozzle 32 has an annular jet cavity, and a plurality of jet outlets are arranged on the jet cavity at intervals, and the jet outlets spray aerosol generating medium beams towards the center, so that the aerosol generating medium beams and the high-speed air flow beams sprayed by the first jet nozzle 31 are collided and mixed, and jet atomization is realized.

In another modification, as shown in fig. 2 and fig. 6, the second jet nozzle 32 and the first jet nozzle 31 are both in a ring structure, and at least two of the second jet nozzle 32 and the first jet nozzle 31 are respectively in a ferrule structure design with inner lines and outer lines alternately arranged layer by layer. Due to the adoption of the design of a plurality of ferrules, the inner side and the outer side of the aerosol generating medium can be sheared, and the atomization efficiency is improved.

In the above scheme, the high-speed airflow beam and the aerosol-generating medium beam can be cylindrical or circular ring-shaped or other abnormal annular structures, and the equivalent diameter of the airflow beam and the aerosol-generating medium beam ranges from 0.1mm to 1mm.

The external mixing type jet atomization provided in this embodiment is that the high-pressure gas and the aerosol generating medium are mixed after being jetted out through respective nozzles, and the first jet nozzle 31 and the second jet nozzle 32 have respective separate jet outlets, and the high-speed airflow beam and the aerosol generating medium are broken after momentum exchange.

Optionally, the jet outlet is a pore directly smaller than or equal to 0.5mm, the size of the pore can directly influence the jet effect and the air and liquid supply pressure, and the larger the pore is, the worse the atomization effect is, the larger the air and liquid supply pressure is, so in the embodiment, the pore diameter of the jet outlet is smaller than or equal to 0.5mm, enough atomization effect can be ensured, and the air and liquid supply pressure is reduced.

In another implementation of this embodiment, as shown in fig. 7 and 8, the jet atomization module 30 performs jet atomization by internal mixing.

Specifically, as shown in fig. 7, the jet atomizing module 30 includes an atomizing chamber 301 and a jet nozzle 331 opened on the atomizing chamber 301, the atomizing chamber 301 is respectively communicated with the air supply module 10 and the liquid supply module 20, and the aerosol generating medium introduced into the atomizing chamber 301 is mixed with the high pressure air flow to form atomized particles; the jet nozzle 331 communicates with the inside and the outside of the atomizing chamber 301, and is adapted to eject atomized particles formed in the atomizing chamber 301.

Further, the jet atomizing module 30 comprises an atomizing base 33, an air inlet channel 332 and a liquid inlet plug 34, wherein the atomizing base 33 is provided with an atomizing cavity 301 with an open top; the air inlet channel 332 is formed on the peripheral wall of the atomizing base 33, and is adapted to introduce high-pressure air flow into the atomizing chamber 301; the liquid inlet plug 34 is inserted into the atomization seat 33, and has a hollow liquid inlet channel 341 therein, the upper end of the liquid inlet plug 34 is in interference fit with the atomization seat 33 and is communicated with the liquid supply module 20, and the lower end of the liquid inlet plug is in clearance fit with the atomization seat 33 and is communicated with the atomization cavity 301.

In the above-mentioned aspect, the atomization seat 33 has a cylindrical peripheral wall, the liquid inlet plug 34 is configured as a hollow cylindrical structure, the liquid inlet plug 34 includes an interference section 342 and a non-interference section 343 with a reduced outer diameter, wherein the outer diameter of the interference section 342 is larger than the inner diameter of the cylindrical peripheral wall, the outer diameter of the non-interference section 343 is smaller than the inner diameter of the cylindrical peripheral wall, and the interference section 342 is located at the upper portion of the atomization seat 33 and is in interference fit with the inner peripheral wall of the atomization seat 33 to close the opening of the atomization cavity 301.

Preferably, an annular blocking boss 344 is circumferentially disposed at the upper end of the interference section 342, and the blocking boss 344 is blocked on an open edge at the top of the atomizing base 33, so as to prevent gas or atomized particles from escaping from a gap between the liquid inlet plug 34 and the atomizing base 33, and further ensure the tightness of the atomizing cavity 301.

Preferably, an annular clamping table 333 is further formed on the inner peripheral side of the open edge of the atomization seat 33, an annular clamping groove is formed on the outer periphery of the interference section 342 corresponding to the concave arrangement, after the liquid inlet plug 34 is inserted into the atomization seat 33, the annular clamping table 333 is clamped in the annular clamping groove, so that the clamping fit of the atomization seat 33 and the liquid inlet plug 34 is realized, the stability of the fit of the atomization seat 33 and the liquid inlet plug 34 is improved, and the sealing effect of the atomization cavity 301 can be further improved.

Optionally, in this embodiment, a connection section adapted to connect with the liquid supply module 20 is further connected to an upper portion of the interference section 342, and an outer diameter of the connection section is smaller than an outer diameter of the interference section 342.

Further, in this embodiment, the non-interference section 343 of the liquid inlet plug 34 includes a cylindrical portion and a conical tip portion, and the non-interference section 343 can increase the available space of the atomizing cavity 301 in a limited space by adopting the structural design of the conical tip portion, thereby improving the atomizing efficiency.

Optionally, in this embodiment, the jet nozzle 331 is configured on the bottom wall of the atomizing base 33, and of course, the jet nozzle 331 may also be opened on the peripheral wall of the atomizing base 33, and the position of the jet nozzle 331 is not limited in this embodiment, so long as the jet nozzle 331 is capable of communicating with the atomizing chamber 301, so as to ensure that atomized particles in the atomizing chamber 301 can be sprayed out by the jet nozzle 331.

Further, the jet orifice 331 includes a cylindrical aperture section and a conical aperture section, the cylindrical aperture section is located at a side close to the atomizing chamber 301, and the aperture of the cylindrical aperture section is less than or equal to 0.5mm; the tapered aperture section is located at a side far away from the atomizing cavity 301, and from the spraying direction of the atomized particles, the aperture of the tapered aperture section is gradually increased, so that the atomized particles are sprayed outwards in a divergent manner.

Optionally, from the direction of the aerosol-generating medium flow, the liquid inlet channel 341 comprises a first cylindrical bore section, a conical reducing section and a second cylindrical bore section connected in sequence, wherein the bore diameter of the second cylindrical bore section is smaller than the first cylindrical bore section. By adopting the above structural design, the pressure of the aerosol-generating medium in the liquid inlet channel 341 can be increased.

Optionally, the first cylindrical bore section is formed in the interference section 342, and the tapered reducing section and the second cylindrical bore section are formed in the non-interference section 343.

Preferably, as shown in fig. 7 and 8, the aperture of the second cylindrical aperture section is less than or equal to 0.5mm, and the outlet of the second cylindrical aperture section is opposite to the jet orifice 331, and a set gap H is formed between the outlet of the second cylindrical aperture section and the jet orifice 331. Preferably, the set gap H is 0.1mm. Because the high-pressure air flow in the atomizing cavity 301 can be converged to the jet orifice 331 under the action of the pressure difference, by adopting the structural design, the aerosol generating medium flowing out of the liquid inlet channel 341 can be sheared and crushed by a large amount of high-pressure high-speed air flow to form atomized particles at the jet orifice 331, the crushing effect of the aerosol generating medium is improved, the diameter of the atomized particles is reduced, and the atomizing effect is better.

Optionally, the cylindrical peripheral wall includes a clearance fit section adapted to be in clearance fit with the liquid inlet plug 34, and a plurality of air inlet passages 332 are formed on the periphery of the clearance fit section of the cylindrical peripheral wall, and the plurality of air inlet passages 332 are arranged at intervals along the circumferential direction of the cylindrical peripheral wall.

Alternatively, the air inlet passages 332 are hollow tubular structures integrally formed on the outer peripheral wall of the atomizing base 33, and preferably, two air inlet passages 332 are symmetrically arranged on the peripheral wall of the atomizing base 33. More preferably, the central axis direction of the air inlet channel 332 forms an angle of 90 ° with the central axis direction of the atomizing base 33.

Optionally, the clearance between the outer diameter of the non-interference section 343 of the inlet plug 34 and the inner peripheral wall of the atomizing base 33 is less than or equal to 0.5mm, preferably equal to 0.5mm. By such design, when the high-pressure gas enters the atomization cavity 301 from the narrow gap, a larger pressure can be formed, the gas flow rate is improved, and therefore the shearing force on the aerosol generating medium can be improved, and the atomization effect is improved.

Optionally, as shown in fig. 1, the electronic atomizing system according to the present embodiment further includes a preheating module 40, where the preheating module 40 is disposed between the liquid supply module 20 and the jet atomizing module 30, and is adapted to preheat the aerosol-generating medium supplied to the jet atomizing module 30.

According to the electronic atomization system provided by the embodiment, the aerosol generating medium is preheated through the preheating module 40 arranged between the liquid supply module 20 and the jet atomization module 30, the preheated aerosol generating medium is supplied to the jet atomization module 30, the viscosity of the aerosol generating medium introduced into the jet atomization module 30 is reduced, the crushing effect of the aerosol generating medium is obviously improved when jet atomization is carried out, the diameter of atomized particles is reduced, and the atomization effect is better.

As shown in fig. 12, the aerosol-generating medium at 25 ℃ before preheating still has obvious stringing phenomenon, and as shown in fig. 13, the aerosol-generating medium at 60 ℃ after preheating obviously shows mist. As shown in fig. 1 and 11, in this embodiment, the preheating module 40 preheats the aerosol-generating medium, and when the temperature is less than 80 ℃, the viscosity of the aerosol-generating medium decreases greatly with the increase of the temperature, and preheats the aerosol-generating medium by heating, so that the maximum temperature of the preheating module 40 is less than 150 ℃, thereby avoiding volatilization of the active ingredients in the aerosol-generating medium, and simultaneously controlling the temperature of the tobacco tar to be more than 80 ℃ when the tobacco tar is supplied to the jet atomization system, so as to ensure that the viscosity of the aerosol-generating medium decreases from 200Cp at normal temperature to below 50 Cp.

In addition, because the gas flow rate is higher, the air can be preheated simultaneously by having an obvious cooling effect on the aerosol generating medium, the heat exchange of the air on the aerosol generating medium is reduced, and the temperature of the atomization outlet 80 of the aerosol generating medium is ensured.

Optionally, the electronic atomizing system described in the present embodiment further comprises a control module 50, said control module 50 being adapted to control said air supply module 10 and/or liquid supply module 20 and/or jet atomizing module 30 and/or preheating module 40.

Optionally, the control module 50 includes a power control unit adapted to control the supply of the liquid supply module 20 and the gas supply module 10, as well as the initial control of other control switches and the like.

Optionally, as shown in fig. 1, 3, 4, 9 and 10, the electronic atomization system further includes: the air passage module 60 is arranged between the jet atomizing module 30 and the atomizing outlet 80, and is suitable for collecting and decelerating atomized particles formed by the aerosol generating medium.

Specifically, the air passage module 60 has an air passage housing 61 with a deceleration chamber therein, and an inlet end of the air passage housing 61 is connected to an outlet end of the jet atomizing module 30, or the air passage housing 61 is covered outside the outlet end of the jet atomizing module 30 to collect and decelerate atomized particles formed by the jet atomizing module 30.

Further, the air passage housing 61 includes an air passage peripheral wall and an air passage bottom wall, the air passage peripheral wall is provided with an air passage outlet 62, the air passage bottom wall is located in the spraying direction of the atomized particles, and the atomized particles entering the air passage housing 61 strike the air passage bottom wall to realize the deceleration.

In this embodiment, the air passage module 60 is provided to collect and reduce the speed of the atomized particles released by the jet atomization module 30, the atomized particles entering the air passage housing 61 collide with the bottom of the air passage and flow out from the air passage outlet 62 at the side, so as to change the movement direction of the atomized particles, and the particles lose kinetic energy during collision, so that the particle speed reaching the atomized outlet 80 is reduced.

Optionally, the electronic atomization system further includes: and a secondary heating module 70, wherein the secondary heating module 70 is connected with the air passage module 60 or is arranged in the air passage module 60, and is suitable for secondary heating of atomized particles flowing through the air passage module 60. Through the secondary heating module 70 that sets up, carry out the secondary heating to atomizing granule, not only can increase smog exit temperature, can also realize controlling atomizing granule's particle diameter, can further reduce atomizing granule size to can promote the essence spices in the aerosol generating medium and volatilize further, the fragrance volume is sufficient, improves the suction quality.

Optionally, the air passage shell 61 is made of an oleophobic material, or the inner surface of the air passage shell 61 is subjected to oleophobic treatment, so that adhesion of atomized particles can be effectively avoided.

Optionally, an airflow rate reducing structure is disposed within the airway housing 61. The airflow deceleration structure may be a multi-stage rib provided in the air passage housing 61 to achieve the purpose of deceleration.

Optionally, the gas supply module 10 comprises a gas compression unit, a first valve group unit and a gas supply pipeline, wherein the first valve group unit is suitable for controlling the on-off of the gas supply pipeline and/or the magnitude of the gas supply pressure and/or the magnitude of the gas supply flow. The air supply module 10 is adapted to provide a metered amount of air to the jet atomizing module 30.

Further, the gas compression unit may be a micro compressor, a motor, a fixed volume high pressure gas cylinder, etc., the gas supply pressure is greater than 0.2Mpa (absolute pressure), the gas supply flow is greater than 2.0L/min, the first valve unit performs accurate secondary control on the gas supply pressure, and the first valve unit further has a pressure release structure, and can release pressure when the pressure is abnormal, so as to play a role in safety protection.

Optionally, the liquid supply module 20 includes a pumping unit, a second valve unit, and a liquid supply pipeline, where the second valve unit is adapted to control on-off of the liquid supply pipeline and/or magnitude of liquid supply flow. The liquid supply module 20 provides a metered amount of aerosol-generating medium to the jet atomization module 30.

Further, the pumping unit may be a micro injection pump, a micro peristaltic pump, or other micro pumps with active liquid supply function, the liquid supply pipeline is mainly micro channels with various forms, and the second valve unit performs accurate secondary control on the flow of the aerosol generating medium.

Alternatively, in this embodiment, the liquid supply flow rate of the liquid supply module 20 is 10mg/3s to 20mg/3s.

In this embodiment, the aerosol-generating medium comprises at least a perfume.

Example two

As shown in fig. 1 to 13, the present embodiment provides an atomization processing method, which is applied to the electronic atomization system of the first embodiment, and includes the following steps:

impinging and mixing the high pressure gas stream with an aerosol-generating medium;

and shearing and crushing the aerosol-generating medium to form atomized particles by utilizing a shearing force generated by a speed difference between the high-pressure airflow and the aerosol-generating medium.

Optionally, the following steps are performed before said impinging mixing of the high pressure gas stream with the aerosol-generating medium:

preheating the aerosol-generating medium and controlling the temperature of the aerosol-generating medium supplied to the jet atomizing module 30 to be between 80 ℃ and 150 ℃;

the gas flow rate is controlled between 100m/s and 340 m/s.

According to the atomization treatment method provided by the embodiment, before the high-pressure airflow and the aerosol generating medium are collided and mixed, the aerosol generating medium is preheated, the temperature of the aerosol generating medium supplied to the jet atomization module 30 is controlled to be 80-150 ℃, the lowest boiling point of the effective components such as essence and perfume in the aerosol generating medium is 150 ℃, the preheating temperature is lower than 150 ℃, the essence and perfume can not volatilize in the preheating process, the fragrance quality at a subsequent atomization outlet 80 is ensured, meanwhile, the preheating temperature is controlled to be higher than 80 ℃, the viscosity of the aerosol generating medium is reduced from 200Cp at normal temperature to 20Cp at 80 ℃, and the viscosity is greatly reduced, so that atomization is facilitated.

Optionally, the following steps are also performed after formation of the atomized particles:

and collecting and decelerating the atomized particles, and secondarily heating the atomized particles.

The atomization treatment method provided by the embodiment adopts a jet atomization mode to perform low-temperature atomization, utilizes gas-assisted crushing, adopts the crushing principle that the speed difference between high-speed airflow and aerosol generating media (wherein the speed of liquid aerosol generating media is 0.01-0.1 m/s and can be ignored, the speed difference is 100-340 m/s), generates larger shearing force, performs shearing crushing on the aerosol generating media, has no phase change in the whole atomization process, is always atomized at a lower temperature, does not generate the phenomenon that partial components of the aerosol generating media are decomposed and deteriorated due to high temperature, and has extremely high reducibility and safer.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the application.

Claims (15)

1. An electronic atomizing system, comprising:

a gas supply module (10) adapted to provide a high pressure gas flow;

-a liquid supply module (20) adapted to provide an aerosol-generating medium;

and the jet atomizing module (30) is suitable for carrying out collision mixing on the high-pressure airflow and the aerosol generating medium so as to shear and crush the aerosol generating medium to form atomized particles by utilizing the shearing force generated by the speed difference between the high-pressure airflow and the aerosol generating medium.

2. The electronic atomizing system according to claim 1, wherein the jet atomizing module (30) comprises:

a first jet nozzle (31) having an inlet end in communication with the gas supply module (10) and an outlet end adapted to jet a high velocity gas stream outwardly;

a second jet nozzle (32) having an inlet end in communication with the liquid supply module (20) and an outlet end adapted to jet a bundle of aerosol-generating medium outwardly;

the gas flow beam sprayed by the first jet nozzle (31) and the aerosol-generating medium beam sprayed by the second jet nozzle (32) form a set included angle and collide and mix with each other to form atomized particles.

3. The electronic atomizing system of claim 2, wherein the set angle is between 0-90 degrees;

the second jet nozzles (32) are plural and are arranged around the first jet nozzle (31); alternatively, the second jet nozzle (32) has an annular structure provided on the outer periphery of the first jet nozzle (31).

4. The electronic atomizing system according to claim 1, wherein the jet atomizing module (30) comprises:

an atomizing chamber (301) respectively communicated with the air supply module (10) and the liquid supply module (20), wherein an aerosol generating medium introduced into the atomizing chamber (301) is mixed with the high-pressure air flow to form atomized particles;

and jet flow spray holes (331) communicated with the inside and the outside of the mixing cavity and suitable for spraying atomized particles in the mixing cavity.

5. The electronic atomizing system according to claim 4, wherein the jet atomizing module (30) comprises:

an atomization seat (33) provided with an atomization cavity (301) with an open top;

an air inlet channel (332) formed on the peripheral wall of the atomization seat (33) and suitable for introducing high-pressure air flow into the atomization cavity (301);

the liquid inlet plug body (34) is inserted in the atomizing seat (33), a hollow liquid inlet channel (341) is arranged in the liquid inlet plug body, the upper end of the liquid inlet plug body (34) is in interference fit with the atomizing seat (33) and is communicated with the liquid supply module (20), and the lower end of the liquid inlet plug body is in clearance fit with the atomizing seat (33) and is communicated with the atomizing cavity (301).

6. The electronic atomizing system according to claim 5, wherein the jet nozzle (331) is configured on a bottom wall of the atomizing base (33), the jet nozzle (331) comprising:

a cylindrical aperture segment located on a side proximate to the nebulization chamber (301), and having an aperture of less than or equal to 0.5mm;

and the conical aperture section is positioned at one side far away from the atomizing cavity (301) and is from the spraying direction of atomized particles, and the aperture of the conical aperture section is gradually increased.

7. The electronic atomizing system according to claim 5, characterized in that said atomizing base (33) has a cylindrical peripheral wall comprising a clearance fit section adapted to be clearance fit with said inlet tap body (34);

the periphery of the clearance fit section of the cylindrical peripheral wall is provided with a plurality of air inlet channels (332), and the air inlet channels (332) are arranged at intervals along the circumferential direction of the cylindrical peripheral wall.

8. The electronic atomizing system according to claim 5, wherein the liquid inlet channel (341) comprises a first cylindrical bore section, a conical reduction section and a second cylindrical bore section connected in sequence from a direction of inlet of the aerosol-generating medium, wherein the second cylindrical bore section has a smaller bore diameter than the first cylindrical bore section.

9. The electronic atomizing system of any one of claims 1 to 8, further comprising:

a preheating module (40) arranged between the liquid supply module (20) and the jet atomizing module (30) and adapted to preheat the aerosol-generating medium supplied to the jet atomizing module (30);

-a control module (50) adapted to control the air supply module (10) and/or the liquid supply module (20) and/or the jet atomizing module (30) and/or the preheating module (40).

10. The electronic atomizing system of any one of claims 1 to 8, further comprising:

the air passage module (60) is arranged between the jet atomizing module (30) and the atomizing outlet (80) and is suitable for collecting and reducing the speed of atomized particles formed by the aerosol generating medium;

and the secondary heating module (70) is connected with the air passage module (60) or is arranged in the air passage module (60) and is suitable for carrying out secondary heating on atomized particles flowing through the air passage module (60).

11. The electronic atomization system of claim 10, wherein the airway module (60) includes an airway housing (61), the airway housing (61) being made of an oleophobic material; and/or, the inner surface of the airway housing (61) is oleophobic; and/or an airflow deceleration structure is arranged in the air passage shell (61).

12. Electronic atomizing system according to any one of claims 1 to 8, characterized in that said air supply module (10) comprises a gas compression unit, a first valve group unit and an air supply line, said first valve group unit being adapted to control the on-off of the air supply line and/or the magnitude of the air supply pressure and/or the magnitude of the air supply flow;

and/or, the liquid supply module (20) comprises a pumping unit, a second valve group unit and a liquid supply pipeline, wherein the second valve group unit is suitable for controlling the on-off of the liquid supply pipeline and/or the size of the liquid supply flow.

13. A method of atomizing, characterized in that it is applied to an electronic atomizing system according to any one of claims 1 to 12, said method comprising the steps of:

impinging and mixing the high pressure gas stream with an aerosol-generating medium;

and shearing and crushing the aerosol-generating medium to form atomized particles by utilizing a shearing force generated by a speed difference between the high-pressure airflow and the aerosol-generating medium.

14. The aerosol-treatment method according to claim 13, wherein the following steps are performed prior to said impinging mixing of the high pressure gas stream with the aerosol-generating medium:

preheating the aerosol-generating medium and controlling the temperature of the aerosol-generating medium supplied to the jet atomizing module (30) between 80 ℃ and 150 ℃;

the gas flow rate is controlled between 100m/s and 340 m/s.

15. The atomizing treatment method according to claim 13, characterized in that the following steps are further performed after forming the atomized particles:

and collecting and decelerating the atomized particles, and secondarily heating the atomized particles.