CN220274896U - Ultrasonic atomizer and ultrasonic atomizing device - Google Patents

Abstract

The embodiment of the application discloses an ultrasonic atomizer and an ultrasonic atomizing device, wherein a liquid storage cavity is used for storing an atomized liquid matrix; the ultrasonic atomization assembly comprises an atomization sheet, wherein the atomization sheet is used for carrying out ultrasonic atomization on a liquid matrix to generate aerosol; a first liquid directing element for delivering a liquid matrix to the atomizing sheet; a second liquid transfer element for transferring the liquid matrix to the first liquid transfer element; the first liquid guide element comprises a first part covering the atomizing sheet and a second part arranged outside the atomizing sheet, and the second part is bent from the first part and extends towards a direction far away from the liquid storage cavity. Through the mode, part of liquid matrixes can be guided in the direction away from the atomizing sheet, excessive flowing of the liquid matrixes to the atomizing sheet is prevented, and poor atomizing effect caused by excessive accumulation of the liquid matrixes on the atomizing sheet is avoided.

Description

Ultrasonic atomizer and ultrasonic atomizing device

[ field of technology ]

The embodiment of the application relates to the technical field of atomization, in particular to an ultrasonic atomizer and an ultrasonic atomization device.

[ background Art ]

Electronic nebulizers typically comprise a reservoir for storing a nebulizable liquid matrix comprising nicotine and/or a fragrance and/or an aerosol generating substance (e.g. glycerin) and a nebulizing component for nebulizing the liquid matrix, thereby generating an inhalable vapor or aerosol.

The above atomization assembly has an atomization mode of using an ultrasonic atomization sheet to ultrasonically atomize a liquid matrix to generate aerosol in the prior art, and the existing ultrasonic atomization mode generally uses one or more liquid guiding elements to conduct the liquid matrix in the liquid storage cavity to the atomization sheet for ultrasonic atomization, but if the liquid matrix conducted to the atomization sheet is too much, the effect of ultrasonic atomization is affected.

[ utility model ]

The embodiment of the application provides an ultrasonic atomizer to solve the current too many liquid matrixes that lead to on the ultrasonic atomization piece ultrasonic atomization effect not good technical problem.

An ultrasonic atomizer, comprising:

a reservoir for storing an nebulizable liquid matrix;

an ultrasonic atomizing assembly comprising an atomizing sheet for ultrasonically atomizing a liquid substrate to produce an aerosol;

a first liquid directing element for delivering the liquid matrix to the atomizing sheet;

a second liquid transfer element for transferring the liquid matrix to the first liquid transfer element;

the second liquid guide element is abutted against the first liquid guide element, the first liquid guide element is fixed on the atomizing sheet, the first liquid guide element comprises a first part covering the atomizing sheet and a second part arranged outside the atomizing sheet, and the second part is bent from the first part and extends towards the direction away from the liquid storage cavity.

In one embodiment, the extending direction of the first portion is perpendicular to the extending direction of the second portion.

In one embodiment, the ultrasonic atomizer is provided with a reservoir, the second portion extending to the reservoir.

In one embodiment, the ultrasonic atomizer comprises a base at least partially accommodating the ultrasonic atomizing module, and the liquid storage tank is arranged on the base.

In one embodiment, the ultrasonic atomizer comprises a seal sealing the reservoir, the seal being supported on the base, the ultrasonic atomizing assembly comprising a housing, at least a portion of the second portion being clamped between the seal and the housing.

In one embodiment, the second liquid guiding element and the first liquid guiding element define an atomizing chamber for providing a space for aerosol release.

In one embodiment, the second liquid guide has a first surface and a second surface disposed opposite to each other in a longitudinal direction, and the atomizing chamber includes a vent hole communicating the first surface and the second surface.

In one embodiment, a plurality of extending portions are extended from the second surface and are abutted against the first liquid guide, and a gap is kept between any two extending portions, and the gap is used for guiding external air into the atomization chamber.

In one embodiment, the gap includes a first portion and a second portion in communication with the first portion, the gas flow entering the gap from the first portion and escaping the gap from the second portion, the first portion being progressively less apart along the direction of flow of the gas flow.

In one embodiment, the ultrasonic atomizer further comprises a third liquid guide element at least partially exposed in the liquid storage chamber to draw the liquid matrix, and the third liquid guide element is at least partially supported on the second liquid guide element to transfer the liquid matrix to the second liquid guide element.

The ultrasonic atomizer provided by the embodiment above extends the outside of the atomizing piece towards the direction far away from the liquid storage cavity through a part of the first liquid guide element, so that partial liquid matrix can be guided towards the direction far away from the atomizing piece, excessive liquid matrix is prevented from flowing to the atomizing piece, and the phenomenon that the atomizing effect is poor due to excessive accumulation of the liquid matrix on the atomizing piece is avoided. Simultaneously, the first liquid guide element is abutted and fixed on atomization through the second liquid guide element, the liquid matrix is transferred to the first liquid guide element through the second liquid guide element, and further the first liquid guide element is transferred to the atomization sheet, so that the production and the assembly can be facilitated, and the production efficiency is improved.

The embodiment of the application also provides an ultrasonic atomizer, which comprises:

a reservoir for storing an nebulizable liquid matrix;

an ultrasonic atomizing assembly comprising an atomizing sheet for ultrasonically atomizing a liquid substrate to produce an aerosol, and a conductive housing;

a first liquid directing element for delivering the liquid matrix to the atomizing sheet;

a second liquid transfer element for transferring the liquid matrix to the first liquid transfer element;

the second liquid guide element is abutted against the first liquid guide element, the first liquid guide element is fixed on the atomizing sheet, and the first liquid guide element comprises a first part covering the atomizing sheet and a second part arranged on the periphery of the conductive shell.

The embodiment of the application also provides an ultrasonic atomization device, which comprises the ultrasonic atomizer and a power supply assembly for providing electric energy for the ultrasonic atomizer.

[ description of the drawings ]

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to scale, unless expressly stated otherwise.

Fig. 1 is a schematic perspective view of an ultrasonic atomizer provided in an embodiment of the present application in one direction;

FIG. 2 is a schematic cross-sectional view of the ultrasonic atomizer of FIG. 1 in one direction;

FIG. 3 is a perspective view of the base of the ultrasonic atomizer of FIG. 2 in one orientation;

FIG. 4 is an exploded view of the ultrasonic atomizing module of the ultrasonic atomizer of FIG. 2 at one viewing angle;

FIG. 5 is a schematic perspective view of the first liquid guiding element of FIG. 2 covering an atomizing sheet;

FIG. 6 is a schematic perspective view of a second liquid directing element of the ultrasonic atomizer of FIG. 2 in one direction;

FIG. 7 is a schematic perspective view of the second liquid guiding member of FIG. 6 in another direction;

FIG. 8 is a schematic cross-sectional view of the ultrasonic atomizer of FIG. 2 in another direction;

fig. 9 is a schematic structural diagram of an ultrasonic atomizing device according to an embodiment of the present disclosure.

[ detailed description ] of the utility model

In order to facilitate an understanding of the present application, the present application will be described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "fixed" to/affixed to "another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper", "lower", "left", "right", "inner", "outer" and the like are used in this specification for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

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

In the embodiments of the present application, the "mounting" includes welding, screwing, clamping, adhering, etc. to fix or limit a certain element or device to a specific position or place, where the element or device may be fixed at the specific position or place or may be movable within a limited range, and the element or device may be removable or not removable after being fixed at the specific position or place, which is not limited in the embodiments of the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

An embodiment of the present application provides an ultrasonic atomizer 100, as shown in fig. 1-2, the ultrasonic atomizer 100 includes a main housing 10, the main housing 10 has a first end 11 and a second end 12 that are disposed opposite to each other in a longitudinal direction, the first end 11 is formed with an air outlet 111, the air outlet 111 is used for an aerosol formed after ultrasonic atomization to escape from the atomizer 100, and a user can suck the aerosol through suction on the air outlet 111. The second end 12 is disposed in an open manner, and the atomizer 100 further includes a base 20 mounted to the second end 12, at least a portion of the base 20 extending into the main housing 10 through the opening in the second end 12 to provide support for a portion of the components in the main housing 10.

The main housing 10 is provided with a liquid storage cavity 13, the liquid storage cavity 13 is used for storing an atomized liquid matrix, and when the liquid storage cavity 13 stores liquid medicine, the ultrasonic atomizer 100 can be used as a medical atomizer for treating respiratory diseases; when the liquid storage 13 stores the electronic cigarette atomized liquid, the ultrasonic atomizer 100 can be used as an electronic cigarette.

An air duct 14 longitudinally extends in the liquid storage cavity 13, and one end of the air duct 14 is communicated with the air outlet 111 so as to conduct aerosol formed by atomization to the air outlet 111 for a user to inhale. Further, in order to seal the liquid matrix in the liquid storage cavity 13 to prevent the liquid matrix from leaking out of the ultrasonic atomizer 100, a first sealing member 15 is further disposed in the main housing 10, the first sealing member 15 is supported on the base 20, the first sealing member 15 is made of a flexible silica gel or rubber material, and the first sealing member 15 can seal the liquid storage cavity 13 in an interference fit manner with the inner wall of the main housing 10.

As shown in fig. 2, 3 and 4, the base 20 includes a bottom wall 21 and a side wall 22, the bottom wall 21 and the side wall 22 enclose to form a housing chamber 23, an ultrasonic atomization assembly is housed in the housing chamber 23, the ultrasonic atomization assembly includes a conductive shell 241, an atomization sheet 242, a second sealing member 243 and a conductive elastic member 244, the atomization sheet 242 has a first surface 2421 and a second surface 2422 which are oppositely disposed, a first electrode (not shown) of the atomization sheet 242 is disposed on the first surface 2421, and a second electrode (not shown) of the atomization sheet 242 is disposed on the second surface 2422.

The conductive housing 241 includes an upper conductive housing 2411 and a lower conductive housing 2412, the upper conductive housing 2411 and the lower conductive housing 2412 are mutually covered to form an electrical contact, on the other hand, a housing chamber is formed, the atomizing sheet 242, the second sealing member 243 and the conductive elastic member 244 are all disposed in the housing chamber, the upper conductive housing 2411 has an opening 24111, so that at least a portion of the atomizing sheet 242 can be exposed through the opening 24111, and a portion of the upper conductive housing 2411 abuts against the first surface 2421 of the atomizing sheet 242 to electrically connect with the first electrode, the conductive elastic member 244 abuts against the second surface 2422 of the atomizing sheet 242 through the second sealing member 243 to electrically connect with the second electrode, and a portion of the lower conductive housing 241 and the conductive elastic member 244 are exposed to the end face of the base 20, so that the ultrasonic atomizer 100 is electrically connected with an adapted power supply assembly, the power supply assembly can supply electric energy to the atomizing sheet 242 to generate high frequency vibration under the electric energy to atomize the conductive liquid matrix into aerosol.

Further, the second sealing member 243 has an upper end 2431 and a lower end 2432 opposite to each other, and a through hole 2433 communicating the upper end 2431 and the lower end 2432, and the conductive elastic member 244 can pass through the through hole 2433 to abut against the second surface 2422 of the atomizing sheet 242, and the same second sealing member 243 can be made of a flexible silica gel or a rubber material. When the second sealing member 243 is assembled in the ultrasonic atomizing module, the second sealing member 243 elastically abuts against the second surface 242 of the atomizing plate 242 and the inner wall of the conductive housing 10, respectively, so as to prevent the liquid substrate from leaking through the ultrasonic atomizing module.

Further, as shown in fig. 2, to conduct the liquid matrix in the liquid storage cavity 13 to the atomizing plate 242 for ultrasonic atomization, the ultrasonic atomizer 100 is further provided with a first liquid guiding element 30, a second liquid guiding element 40 and a third liquid guiding element 50 capable of absorbing and conducting the liquid matrix, the first liquid guiding element 30, the second liquid guiding element 40 and the third liquid guiding element 50 are sequentially contacted, the third liquid guiding element 50 is located in the liquid storage cavity 13 and supported on the first sealing member 15 so as to absorb the liquid matrix in the liquid storage cavity 13, a part of the first liquid guiding element 30 is covered on the atomizing plate 242, the second liquid guiding element 40 is contacted with the first liquid guiding element 30 and the third liquid guiding element 50 respectively, and thus the liquid matrix in the liquid storage cavity 13 can be sequentially conducted to the atomizing plate 242 through the third liquid guiding element 50, the second liquid guiding element 40 and the first liquid guiding element 30.

The first liquid guiding member 30, the second liquid guiding member 40, and the third liquid guiding member 50 include flexible fibers such as cotton fibers, nonwoven fabrics, glass fiber ropes, or the like, or include any one of porous materials having a microporous structure such as porous ceramics, or the like.

Further, as shown in fig. 2 and 5, the first liquid guiding element 30 includes a first portion 31 covering the atomizing sheet 242, and a second portion 32 extending from the first portion 31 and beyond the atomizing sheet 242, and the second portion 32 is bent from the first portion 31 and extends away from the liquid storage cavity, that is, the second portion 32 is disposed on the periphery of the conductive housing 241 and extends downward, so that when the liquid substrate in the liquid storage cavity 13 is excessively conducted onto the atomizing sheet 242, a part of the liquid substrate can be guided by the second portion 32 in a direction away from the atomizing sheet 242, preventing the excessive liquid substrate from flowing toward the atomizing sheet 242, and further avoiding the excessive accumulation of the liquid substrate of the atomizing sheet 242 and affecting the atomizing effect of the atomizing sheet 242. Further, in order to guide part of the liquid matrix rapidly in a direction away from the atomizing plate 242, as shown in fig. 5, the extending direction of the first portion 31 and the extending direction of the second portion 32 are configured to be perpendicular.

In some embodiments, as shown in fig. 2 and 3, the base 20 has a reservoir 25 formed thereon, and the second portion 32 extends to the reservoir 25, such that a portion of the liquid matrix can flow through the second portion 32 into the reservoir 25 for storage, preventing the portion of the liquid matrix from leaking out of the ultrasonic atomizer 100. It should be noted that the liquid storage tank 25 is not limited to be disposed on the base 20, but may be disposed elsewhere, for example, in some embodiments, the second portion 32 may extend horizontally from the first portion 31, and further, the liquid storage tank 25 may be disposed on the first sealing member 15, and the second portion 32 may extend to the liquid storage tank 25 along a horizontal direction.

Further in some embodiments, as shown in fig. 2, at least a portion of the second portion 32 is sandwiched between the seal 15 and the conductive housing 241 to secure the second portion 32 against displacement of the second portion 32, thereby resulting in an inaccurate flow of liquid matrix into the reservoir 25 on the base 20.

In some embodiments, as shown in fig. 2, the second liquid guiding element 40 is supported on the first liquid guiding element 30, so that, on one hand, the second liquid guiding element 40 may be brought into contact with the first liquid guiding element 30, and on the other hand, the second liquid guiding element 40 may apply a certain pressing force to the first liquid guiding element 30, so as to fix the first liquid guiding element 30 in place, and avoid displacement of the first liquid guiding element 30. Further, as shown in fig. 2, when the second liquid guiding element 40 is supported on the first liquid guiding element 30, the second liquid guiding element 40 and the first liquid guiding element 30 define an atomization chamber 41, and a main atomization area of the atomization sheet 242 is located in the atomization chamber 41, so that an aerosol formed after the ultrasonic atomization of the liquid matrix by the atomization sheet 242 is mainly released in the atomization chamber 41.

Specifically, as shown in fig. 2, 6 and 7, the second liquid guiding member 40 includes a first surface 42 and a second surface 43 disposed opposite to each other in the longitudinal direction, the atomizing chamber 41 includes a vent hole 44 communicating the first surface 41 and the second surface 43, and the other end of the air duct 14 is communicated to the vent hole 44, so that the aerosol in the atomizing chamber 14 can be transferred to the air outlet 111 through the air duct 14. Further, a plurality of extending portions 45 are extended from the second surface 43 and are abutted against the first liquid guiding element 30, the plurality of extending portions 45 are abutted against the first liquid guiding element 30 so that the second liquid guiding element 40 is supported on the first liquid guiding element 30, a gap 451 is kept between any two extending portions 45, meanwhile, the base 20 is formed with an air inlet 26, the gap 451 is communicated with the air inlet 26 and the air vent 44, so that when a user sucks at the air outlet 111, external air enters the ultrasonic atomizer 100 through the air inlet 26, then enters the atomizing chamber 41 through the gap 451, then enters the air guiding tube 14 from the atomizing chamber 41, finally flows to the air outlet 111 through the air guiding tube 14, and the complete air flow path is shown by an arrow route R shown in fig. 8.

Further in some embodiments, as shown in fig. 7, the gap 451 includes a first portion 4511 along the direction of air flow and a second portion 4512 in communication with the first portion 4511, air flow from the first portion 4511 into the gap 451 and then out of the gap 451 from the second portion 4512 into the atomizing chamber 41, the spacing of the first portion 4511 is gradually reduced, such that the first portion 4511 is configured in a "splayed" shape, which feature is more conducive to the flow of air flow, and outside air is able to more smoothly enter into the atomizing chamber 41.

An embodiment of the present application also provides an ultrasonic atomizing device, which may be seen in fig. 9, comprising an ultrasonic atomizer 100 storing a liquid matrix and ultrasonically atomizing the liquid matrix to generate an aerosol, and a power supply assembly 200 for supplying power to the ultrasonic atomizer 100.

In an alternative implementation, such as shown in fig. 9, the power supply assembly 200 includes a receiving cavity 210 disposed at one end along a length for receiving and accommodating at least a portion of the ultrasonic atomizer 100, and electrical contacts 220 at least partially exposed at a surface of the receiving cavity 210 for making electrical connection with a lower conductive housing 2412 and a resilient conductive member 244 of the ultrasonic atomizer 100 to thereby power the ultrasonic atomizer 100 when at least a portion of the ultrasonic atomizer 100 is received and accommodated within the power supply assembly 200.

A sealing member 230 is provided in the power supply assembly 200, and at least a portion of the inner space of the power supply assembly 200 is partitioned by the sealing member 230 to form the above receiving chamber 210. In the preferred embodiment shown in fig. 9, the seal 230 is configured to extend along the cross-section of the power supply assembly 200 and is preferably made of a flexible material such as silicone to prevent the liquid matrix that seeps from the ultrasonic atomizer 100 to the receiving chamber 210 from flowing to the controller 240, sensor 250, etc. inside the power supply assembly 200.

In the preferred implementation shown in fig. 9, the power assembly 200 further includes a battery cell 260 for supplying power that is longitudinally directed away from the other end of the receiving cavity 210; and a controller 240 disposed between the battery cell 260 and the receiving cavity 210, the controller 240 being operable to direct electrical current between the battery cell 260 and the electrical contact 220.

In use, the power supply assembly 200 includes a sensor 250 for sensing the suction airflow generated by a user drawing through the air outlet 111 of the ultrasonic atomizer 100, and the controller 240 controls the electrical core 260 to output current to the ultrasonic atomizer 100 in accordance with the detection signal of the sensor 250.

Further in the preferred implementation shown in fig. 9, the power supply assembly 200 is provided with a charging interface 270 at the other end facing away from the receiving cavity 210 for charging the battery cells 260.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; the technical features of the above embodiments or in the different embodiments may also be combined under the idea of the present application, the steps may be implemented in any order, and there are many other variations of the different aspects of the present application as described above, which are not provided in details for the sake of brevity; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (12)

1. An ultrasonic atomizer, comprising:

a reservoir for storing an nebulizable liquid matrix;

an ultrasonic atomizing assembly comprising an atomizing sheet for ultrasonically atomizing a liquid substrate to produce an aerosol;

a first liquid directing element for delivering the liquid matrix to the atomizing sheet;

a second liquid transfer element for transferring the liquid matrix to the first liquid transfer element;

the second liquid guide element is abutted against the first liquid guide element, the first liquid guide element is fixed on the atomizing sheet, the first liquid guide element comprises a first part covering the atomizing sheet and a second part arranged outside the atomizing sheet, and the second part is bent from the first part and extends towards the direction away from the liquid storage cavity.

2. The ultrasonic atomizer of claim 1 wherein the direction of extension of said first portion is perpendicular to the direction of extension of said second portion.

3. An ultrasonic atomizer according to claim 1, wherein the ultrasonic atomizer is provided with a reservoir, the second portion extending to the reservoir.

4. The ultrasonic atomizer of claim 3 including a base at least partially housing said ultrasonic atomizing assembly, said reservoir being disposed on said base.

5. The ultrasonic atomizer of claim 4 including a seal sealing said reservoir, said seal being supported on said base, said ultrasonic atomizing assembly including a housing, at least a portion of said second portion being sandwiched between said seal and said housing.

6. The ultrasonic atomizer of claim 1 wherein said second liquid guide element and said first liquid guide element define an atomizing chamber for providing a space for aerosol release.

7. The ultrasonic atomizer of claim 6 wherein said second liquid directing element has longitudinally oppositely disposed first and second surfaces, said atomizing chamber including a vent communicating said first and second surfaces.

8. The ultrasonic atomizer of claim 7 wherein a plurality of extensions extend from said second surface and abut said first liquid directing element, any two of said extensions maintaining a gap therebetween for directing outside air into said atomizing chamber.

9. The ultrasonic atomizer of claim 8 wherein said gap comprises a first portion and a second portion in communication with said first portion, an air flow entering said gap from said first portion and escaping said gap from said second portion, said first portion being progressively less spaced apart along a flow direction of said air flow.

10. The ultrasonic atomizer of claim 1 further comprising a third liquid guide element at least partially exposed in said liquid storage chamber to draw said liquid matrix and at least partially supported on said second liquid guide element to transfer said liquid matrix to said second liquid guide element.

11. An ultrasonic atomizer, comprising:

a reservoir for storing an nebulizable liquid matrix;

an ultrasonic atomizing assembly comprising an atomizing sheet for ultrasonically atomizing a liquid substrate to produce an aerosol, and a conductive housing;

a first liquid directing element for delivering the liquid matrix to the atomizing sheet;

a second liquid transfer element for transferring the liquid matrix to the first liquid transfer element;

the second liquid guide element is abutted against the first liquid guide element, the first liquid guide element is fixed on the atomizing sheet, and the first liquid guide element comprises a first part covering the atomizing sheet and a second part arranged on the periphery of the conductive shell.

12. An ultrasonic atomizing device, characterized in that it comprises an ultrasonic atomizer according to claim 11 or any one of claims 1 to 10, and a power supply assembly for supplying electric power to the ultrasonic atomizer.