CN216983568U - Ultrasonic atomization assembly, ultrasonic atomizer and ultrasonic atomization device - Google Patents
Ultrasonic atomization assembly, ultrasonic atomizer and ultrasonic atomization device Download PDFInfo
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- CN216983568U CN216983568U CN202123050632.3U CN202123050632U CN216983568U CN 216983568 U CN216983568 U CN 216983568U CN 202123050632 U CN202123050632 U CN 202123050632U CN 216983568 U CN216983568 U CN 216983568U
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Abstract
The application provides an ultrasonic atomization component, an ultrasonic atomizer and an ultrasonic atomization device, wherein the ultrasonic atomization component comprises an ultrasonic atomization sheet, and the ultrasonic atomization sheet is provided with a first electrode and a second electrode; the first liquid guide element is in contact with the ultrasonic atomization sheet; a first liquid-conducting element for delivering a liquid matrix to the ultrasonic atomization sheet; the atomizing sleeve comprises a limiting part, and an opening is formed in one end of the atomizing sleeve; wherein, part of the first liquid guiding element is exposed out of the opening, and the other part of the first liquid guiding element is kept between the limiting part and the ultrasonic atomization sheet. The ultrasonic atomization sheet and the liquid guide element are accommodated in the atomization sleeve, and part of the liquid guide element is exposed out of an opening at one end of the atomization sleeve; on one hand, the exposed part of the liquid guide element is convenient for sucking the liquid matrix from the external liquid guide element; on the other hand will lead the liquid component to fix in the atomizing cover, can avoid leading the difficult assembly of liquid component and skew easily, lead to ultrasonic atomization piece and lead the problem that the hard contact of oily pottery caused ultrasonic atomization piece to damage.
Description
Technical Field
The application relates to the technical field of atomization, in particular to an ultrasonic atomization assembly, an ultrasonic atomizer and an ultrasonic atomization device.
Background
The ultrasonic atomizer includes an ultrasonic atomization plate which, when vibrated at high frequency, atomizes the liquid matrix to form a liquid mist for ingestion by a user.
In the existing ultrasonic atomizer, a flaky oil storage cotton is usually added between an ultrasonic atomizing sheet and an oil guide ceramic so as to avoid damaging the ultrasonic atomizing sheet in the process of guiding liquid to the ultrasonic atomizing sheet; however, the oil storage cotton is usually fixed by downward abutting of an abutting support and upward abutting of the ultrasonic atomization sheet, and the assembly and fixation are complicated, so that the production and manufacturing efficiency is low.
SUMMERY OF THE UTILITY MODEL
The application provides an ultrasonic atomization subassembly, ultrasonic atomizer and ultrasonic atomization device to improve the fixed effect of installation between oil storage cotton and the ultrasonic atomization piece in the ultrasonic atomizer.
One aspect of the present application provides an ultrasonic atomizing assembly comprising:
an ultrasonic atomization sheet for ultrasonically atomizing a liquid matrix to form a liquid mist;
a first liquid guide element which is kept in contact with the ultrasonic atomization sheet; the first liquid guide element is used for transferring liquid matrix to the ultrasonic atomization sheet;
the atomizing sleeve comprises a limiting part, and one end of the atomizing sleeve is provided with an opening;
wherein, part of the first liquid guide element is exposed out of the opening, and the other part of the first liquid guide element is kept between the limiting part and the ultrasonic atomization sheet.
In one example, the first fluid conducting element has a cross-sectional area greater than an area of the opening.
In one example, the first drainage element includes a first face, and a second face opposite the first face;
part of the first face is exposed to the opening, and the second face is kept in contact with the ultrasonic atomization sheet.
In one example, the ultrasonic atomization sheet comprises a first face in contact with the first liquid guide element, and a second face opposite to the first face;
the first electrode is disposed on the first face, and the second electrode is disposed on the second face; or,
the first electrode is arranged on the first surface and extends to the second surface along the side wall of the ultrasonic atomization sheet, and the second electrode is arranged on the second surface.
In one example, the atomizing sleeve is made of an electrically conductive material;
the atomizing sleeve further includes an abutment portion that is held in contact with the first electrode to form an electrical connection.
In one example, the stop portion and the abutment portion each extend radially within the atomizing sleeve.
In one example, a distance between the limiting portion and the abutting portion is smaller than a thickness of the first liquid guiding element.
In an example, the position-limiting portion and the abutting portion are arranged in a step shape along an extending direction from one end of the atomizing sleeve to the other end of the atomizing sleeve.
In one example, the ultrasonic atomization assembly further includes an electrical connector housed within the atomizing sleeve;
one end of the electric connector is in contact with the second electrode to form electric connection, and the other end of the electric connector extends towards the other end of the atomizing sleeve.
In one example, the ultrasonic atomizing assembly further comprises a resistive plate received within the atomizing sleeve, the resistive plate having a first electrical connection that is in direct or indirect electrical connection with the atomizing sleeve and a second electrical connection that is in direct or indirect electrical connection with the electrical connector.
In one example, the ultrasonic atomization assembly further comprises an elastic element accommodated in the atomization sleeve, and the elastic element is arranged between the electric connecting piece and the atomization sleeve at intervals and is in elastic contact with the ultrasonic atomization sheet.
In one example, the ultrasonic atomization assembly further includes a resilient conductive element housed within the atomizing sleeve; the elastic conductive element is directly or indirectly electrically connected with the atomizing sleeve, and the elastic conductive element is directly or indirectly electrically connected with the electric connecting piece; and the elastic conductive element is elastically contacted with the ultrasonic atomization sheet.
In one example, the other end of the atomizing sleeve is bent inwards to form a coupling part; or,
the ultrasonic atomization assembly also includes a coupling portion housed within the atomization sleeve that is in contact with an inner wall of the atomization sleeve to form an electrical connection.
In one example, the nebulizing sleeve is made of a non-conductive material.
In one example, the atomizing sleeve is cylindrical, and the first liquid guide element and the ultrasonic atomizing sheet are both in a round cake shape.
In another aspect, the present application provides an ultrasonic atomizer, comprising a liquid storage chamber for storing a liquid matrix, and the ultrasonic atomizing assembly; wherein the reservoir chamber is in direct or indirect fluid communication with the first fluid conducting element.
In one example, the liquid guiding device further comprises a second liquid guiding element and a third liquid guiding element; the third liquid guide element is communicated with the liquid storage cavity in a fluid mode so as to suck the liquid matrix stored in the liquid storage cavity, one end of the second liquid guide element is in contact with the third liquid guide element, and the other end of the second liquid guide element is in contact with the first liquid guide element, so that the liquid matrix is transferred from the liquid storage cavity to the first liquid guide element; the first liquid guiding element and the third liquid guiding element are made of flexible porous materials, and the second liquid guiding element is made of solid porous materials.
In one example, the liquid storage device further comprises a second liquid guiding element, a third liquid guiding element and a liquid buffering space; one end of the third liquid guide element is communicated with the liquid storage cavity in a fluid mode so as to suck the liquid matrix stored in the liquid storage cavity, and the other end of the third liquid guide element is communicated with the liquid caching space; one end of the second liquid guide element is in contact with the liquid caching space, and the other end of the second liquid guide element is in contact with the first liquid guide element, so that the liquid matrix is transferred from the liquid storage cavity to the first liquid guide element; the first liquid guiding element and the third liquid guiding element are made of flexible porous materials, and the second liquid guiding element is made of solid porous materials.
In an example, the second liquid guiding element further comprises a cotton pressing portion, the second liquid guiding element is in contact with the first liquid guiding element through the cotton pressing portion, and an air guiding groove and an air flow channel opening are further formed in the end, where the second liquid guiding element is located, of the second liquid guiding element, where the cotton pressing portion is located.
Another aspect of the present application provides an ultrasonic atomizer comprising:
a reservoir chamber for storing a liquid substrate;
a third wicking element configured to be in fluid communication with the reservoir chamber to draw the liquid substrate stored in the reservoir chamber;
a second liquid-conducting element configured to receive the liquid matrix drawn by the third liquid-conducting element;
a first drainage element in contact with the second drainage element to draw liquid matrix from the second drainage element;
the ultrasonic atomization assembly comprises an ultrasonic atomization sheet, and the ultrasonic atomization sheet is in contact with the first liquid guide element to ultrasonically atomize the liquid matrix in the first liquid guide element and form a liquid mist;
the first liquid guide element and the third liquid guide element are made of flexible porous materials, and the second liquid guide element is made of solid porous materials;
the second liquid guide element further comprises a cotton pressing portion, the second liquid guide element is in contact with the first liquid guide element through the cotton pressing portion, and an air guide groove and an air flow channel opening are further formed in the end, where the second liquid guide element is located, of the cotton pressing portion.
In one example, the second fluid conducting element is spaced apart from the third fluid conducting element by a fluid buffer space.
In one example, the second liquid guiding element comprises a plate-shaped liquid guiding main body and an air flow channel penetrating through the liquid guiding main body;
one surface of the liquid guiding main body is partially sunken to form the liquid caching space;
the other surface of the liquid guide main body is partially protruded to form the cotton pressing part, and the cotton pressing part is kept in contact with the first liquid guide element;
and the other surface of the liquid guide main body is also provided with a gas guide groove communicated with the gas flow channel.
In one example, the second liquid directing element is in direct contact with the third liquid directing element.
In one example, the ultrasonic atomization assembly further comprises an atomization sleeve, the atomization sleeve comprises a limiting portion, an opening is formed in one end of the atomization sleeve, at least a portion of the first liquid guiding element is exposed out of the opening, and the first liquid guiding element is held between the limiting portion and the ultrasonic atomization sheet.
In one example, the ultrasonic atomization assembly further comprises a coupling portion and an electrical connection; the ultrasonic atomization sheet is provided with a first electrode and a second electrode, one end of the atomization sleeve is further provided with a butting part electrically connected with the first electrode, the other end of the atomization sleeve is in contact with the coupling part, the electric connection part is electrically connected with the second electrode, and the coupling part and the electric connection part are respectively used for being connected with positive and negative electric contacts of the power supply assembly to be electrified.
The ultrasonic atomizer comprises a power supply assembly and the ultrasonic atomizer.
According to the ultrasonic atomization assembly, the ultrasonic atomizer and the ultrasonic atomization device, the first liquid guiding element is kept between the limiting part and the ultrasonic atomization sheet through the limiting part in the atomization sleeve, so that the first liquid guiding element is accommodated in the atomization sleeve and is fixed in the atomization sleeve; and at least part of the first liquid guiding element is exposed out of the opening at one end of the atomizing sleeve. In the fixed in-process of the equipment of ultrasonic nebulizer, only need with ultrasonic atomization subassembly install in corresponding position can, need not go to install first drain component again, can avoid the problem of first drain component assembly skew, improve production efficiency.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic view of an ultrasonic atomizing apparatus provided in an embodiment of the present application;
FIG. 2 is a schematic view of another ultrasonic atomizing apparatus provided in accordance with an embodiment of the present application;
FIG. 3 is a schematic view of an ultrasonic atomizer provided in an embodiment of the present application;
FIG. 4 is an exploded schematic view of an ultrasonic atomizer provided in an embodiment of the present application;
FIG. 5 is a schematic cross-sectional view of an ultrasonic atomizer provided in accordance with an embodiment of the present application;
FIG. 6 is another schematic cross-sectional view of an ultrasonic atomizer provided in accordance with an embodiment of the present application;
FIG. 7 is a schematic view of a first wicking element provided by an embodiment of the present application;
FIG. 8 is a schematic view of a second wicking element provided in accordance with an embodiment of the present disclosure;
FIG. 9 is a schematic view from another perspective of a second wicking element provided in accordance with an embodiment of the present disclosure;
FIG. 10 is a schematic view of a seal provided by an embodiment of the present application;
FIG. 11 is a schematic view from another perspective of a seal provided by an embodiment of the present application;
FIG. 12 is a schematic cross-sectional view of another ultrasonic atomizer provided in accordance with an embodiment of the present application;
FIG. 13 is a schematic view of a seal in another ultrasonic atomizer provided in accordance with an embodiment of the present application;
FIG. 14 is an exploded schematic view of an ultrasonic atomization assembly provided in accordance with an embodiment of the present application;
FIG. 15 is a schematic cross-sectional view of an ultrasonic atomizing assembly provided in accordance with an embodiment of the present application;
FIG. 16 is a schematic cross-sectional view of a conductive atomizing sleeve provided in accordance with an embodiment of the present application;
FIG. 17 is a schematic cross-sectional view of another ultrasonic atomizing assembly provided in accordance with an embodiment of the present application.
Detailed Description
To facilitate an understanding of the present application, the present application is described in more detail below with reference to the following figures and detailed description. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "left", "right", "inner", "outer" and the like as used herein are 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 present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Fig. 1 is a schematic view of an ultrasonic atomization apparatus provided in an embodiment of the present application.
As shown in fig. 1, the ultrasonic atomizing device 100 includes an ultrasonic atomizer 10 and a power supply assembly 20, and the ultrasonic atomizer 10 and the power supply assembly 20 are not detachable.
The ultrasonic atomizer 10 includes an ultrasonic atomizing assembly 105, and the ultrasonic atomizing assembly 105 generates high frequency oscillations under the power supplied by the power supply assembly 20 to atomize the liquid substrate into an aerosol.
The power supply assembly 20 includes a battery cell 21 and a circuit 22.
The battery cell 21 provides power for operating the ultrasonic atomization device 100. The battery cell 21 may be a rechargeable battery cell or a disposable battery cell.
The circuit 22 may control the overall operation of the ultrasonic atomization device 100. The circuit 22 controls the operation of not only the electrical core 21 and the ultrasonic atomization assembly 105, but also other elements of the ultrasonic atomization device 100.
Fig. 2 is a schematic view of another ultrasonic atomizer provided in the present embodiment, which is different from the example of fig. 1 in that the ultrasonic atomizer 10 is detachably connected to the power supply assembly 20. The ultrasonic atomizer 10 has electrical contacts 105a and 105b, and the power supply assembly 20 has electrical contacts 20a and 20b (positive and negative electrical contacts); when the ultrasonic atomizer 10 is connected to the power supply module 20, the electrical contact 105a is in contact with the electrical contact 20a to form an electrical connection, and the electrical contact 105b is in contact with the electrical contact 20b to form an electrical connection.
For ease of description, the following examples are described with respect to the ultrasonic atomizer 10 being removably connected to the power module 20.
As shown in fig. 3-6, the ultrasonic atomizer 10 includes:
the upper case 101 has a substantially flat cylindrical shape. The upper housing 101 has a proximal end and a distal end opposite in the length direction; the proximal end is configured as one end of a user for sucking the aerosol, and a suction nozzle opening for the user to suck is arranged at the proximal end; and the distal end is provided as an end to be coupled with the power module 20, and the distal end of the upper case 101 is open and has a detachable bottom cover 106 mounted thereon. After being combined with the bottom cover 106, the upper housing 101 and the bottom cover 106 together define a housing of the ultrasonic atomizer 10, and the inside thereof is hollow and provided with necessary functional means for storing and atomizing a liquid matrix; through the opening of the upper housing 101, necessary functional components can be mounted to the inside of the housing of the ultrasonic atomizer 10.
As will be understood in conjunction with fig. 16, the bottom cover 106 is provided with a first electrode hole 1061 and a second electrode hole 1062. The ultrasonic atomization assembly 105 may be electrically coupled to the power module 20 via the first electrode hole 1061 and the second electrode hole 1062. Meanwhile, the bottom cover 106 is further provided with an air inlet 1063 for allowing external air to enter into the ultrasonic atomizer 10. Further, a containing chamber 1065 is further disposed on the bottom cover 106, the first electrode hole 1061 and the second electrode hole 1062 are both located in the containing chamber 1065, and the air inlet 1063 is located outside the containing chamber 1065. Further, a magnetic connector 1064 is provided on the bottom cover 106 to detachably connect the ultrasonic atomizer 10 to the power supply assembly 20.
The interior of the housing is provided with a reservoir a for storing a liquid substrate, a third wicking element 102 for drawing the liquid substrate from the reservoir a, a second wicking element 103 for drawing the liquid substrate, a second seal 104, and an ultrasonic atomization assembly 105 for ultrasonically atomizing the liquid substrate.
A smoke transmission pipe 1011 arranged along the axial direction is arranged in the upper shell 101, and a liquid storage cavity A for storing liquid matrix is formed in the space between the outer wall of the smoke transmission pipe 1011 and the inner wall of the upper shell 101; one end of the smoke transmission pipe 1011 is communicated with the suction nozzle, so that the generated aerosol is transmitted to the suction nozzle to be sucked. In a preferred embodiment, the flue gas delivery pipe 1011 and the upper housing 101 are integrally molded by using a moldable material, so that the prepared liquid storage cavity a is open or opened toward the far end.
As will be understood in conjunction with fig. 7, the third liquid guiding member 102 is a layer of organic porous fibers in a sheet or block shape extending along the cross-sectional direction of the upper housing 101. When assembled, third fluid conducting element 102 is positioned adjacent to and opposite the upper surface of reservoir A and is adapted to draw in liquid matrix and transfer liquid matrix to second fluid conducting element 103 away from the lower surface of reservoir A, as indicated by arrow R1. The third liquid guiding element 102 is provided with a plug hole for the flue gas transmission pipe 1011 to penetrate through.
In a preferred embodiment, third drainage element 102 is made of an organic porous material having elasticity, and exhibits moderate flexibility and rigidity. In implementation, the third liquid guiding element 102 is made of a material smaller than the upper shell 101 or defining the liquid storage cavity a, and is specifically made of hard artificial cotton with shore hardness of 20-70A. In alternative implementations, third liquid permeable member 102 is a rigid rayon comprising oriented polyester fibers, or a rigid rayon or rayon foam made of filamentary polyurethane, or the like. The third liquid guiding element 102 has hardness or flexibility between that of a common flexible plant cotton/non-woven fabric (shore hardness is less than 20A) and that of a rigid porous ceramic/microporous metal (shore hardness is greater than 80A), so that the structure is stable and has extremely low expansion after absorbing and infiltrating a liquid matrix, and after assembly, the third liquid guiding element 102 is in contact with the inner wall of the upper shell 101 or the pipe wall of the smoke conveying pipe 1011 between flexible contact and rigid contact, so that on one hand, the liquid storage cavity a can be independently sealed by utilizing the flexibility of the third liquid guiding element, and on the other hand, the third liquid guiding element has certain hardness and can be easily fixed and kept. In particular, according to what is shown in the above figures, the third liquid guiding element 102 is shaped to substantially fit the opening at the lower end of the reservoir a, and can thus be used to cover, close and seal the reservoir a. In a more preferred embodiment, third drainage element 102 has a Shore hardness of 50-70A, which is approximately equivalent to a thermoplastic elastomer or silicone.
The third liquid guiding element 102 is substantially in the shape of an ellipse, and the insertion hole matched with the flue gas transmission pipe 1011 is also in the shape of an ellipse. Third fluid conducting element 102 is formed from substantially lengthwise oriented fibers, such as polyethylene and/or polypropylene, that are substantially rigid by virtue of their orientation in the lengthwise direction of third fluid conducting element 102. And the third liquid guiding element 102 prepared by the organic fiber can keep enough gaps among fiber materials in the preparation process, so that the liquid matrix can be transferred, and the third liquid guiding element 102 has proper flexibility. Third drainage element 102, having the above-oriented fibers, is anisotropic. On one hand, the flexural strength at least along the length direction is larger than that along the width direction; or on the other hand, has a drainage rate in the length direction that is greater than the drainage rate in the width direction.
The surface or the inside of the third liquid guiding element 102 is provided with grains 1021 extending along the length direction; specifically, the grain 1021 is prepared by the textile technology of roller pressing and the like of the oriented fibers, and the space between partial fibers is enlarged by the roller pressing or the spunlace technology and the like in the preparation process, so that macroscopic dents are formed at the positions with the enlarged space, and the width is less than 1mm and is about 0.1-0.5 mm; the texture 1021 is formed on the surface or inside of the third liquid guiding element 102 by the above indentation, which is beneficial for transferring and retaining the liquid matrix and improving the hardness.
In the third liquid guiding member 102 of the above embodiment, the third liquid guiding member 102 has a length d4 of 16.4mm, a width d5 of 7.80mm, and a thickness of 2.0 mm.
As will be understood in conjunction with fig. 8-9, second fluid conducting element 103 is spaced from third fluid conducting element 102. The second liquid guiding element 103 is made of a porous material, such as porous ceramic. The second liquid guiding member 103 includes a substantially plate-shaped liquid guiding body 1031, and an air flow passage 1032 is provided through the liquid guiding body 1031 at a central position of the liquid guiding body 1031. The airflow channel 1032 protrudes from the liquid guiding body 1031 and is in fluid communication with the flue gas transmission pipe 1011, and the ultrasonically atomized aerosol can be transmitted to the flue gas transmission pipe 1011 through the airflow channel 1032.
The upper surface of the fluid conducting body 1031 is partially recessed to form at least a portion of the liquid buffer spaces 1033, and the two liquid buffer spaces 1033 are symmetrically disposed on the left and right sides of the air flow passages 1032. When assembled, the liquid buffer space 1033 is in fluid communication with the reservoir chamber a, and the liquid medium transferred from the third wicking element 102 to the second wicking element 103 can be buffered in the liquid buffer space 1033. Thus, the contact area between the liquid matrix and the second liquid guiding element 103 is larger, and the speed of the second liquid guiding element 103 for conducting the liquid matrix is increased. The vertical distance from the bottom end of the liquid buffer space 1033 to the ultrasonic atomizing assembly 105 is 0.5mm to 1.5mm (preferably, between 0.5mm and 1.4 mm; more preferably, between 0.8mm and 1.4 mm; and more preferably, between 1mm and 1.4mm), so that the distance from the liquid medium in the liquid buffer space 1033 to the ultrasonic atomizing assembly 105 is as short as possible, the conduction velocity of the liquid medium is further increased, dry burning of the ultrasonic atomizing assembly 105 is avoided, and the smoke amount is more stable.
The lower surface of the liquid guiding body 1031 partially protrudes to form a cotton pressing portion 1034, the cotton pressing portion 1034 is substantially circular, and the cotton pressing portion 1034 abuts against the ultrasonic atomization assembly 105. The lower surface of the liquid guiding body 1031 is further provided with two air guiding grooves 1035, the air guiding grooves 1035 are communicated with the air flow passage 1032, and external air enters the ultrasonic atomizer 10 through the air inlet 1063 and then flows into the air flow passage 1032 through the air guiding grooves 1035 (shown as R2 in the figure).
In the ultrasonic atomizer, the liquid matrix is transferred to the second liquid guiding element 103 through the third liquid guiding element 102, so that the liquid matrix is prevented from being transferred to the ultrasonic atomization sheet 1051 too much or too fast to cause frying oil.
As shown in fig. 10-11, the second seal 104 includes a first portion 1041 and a second portion 1042 that are integrally formed. The second seal 104 is preferably made of a flexible material such as silicone, thermoplastic elastomer. When assembled, the first portion 1041 is positioned between the inner wall of the upper housing 101 and the liquid conducting body 1031, and the second portion 1042 is positioned between the gas flow passage 1032 and the flue gas transport tube 1011 to form a seal. The upper end of first portion 1041 abuts the lower surface of third fluid conducting element 102 to at least partially retain third fluid conducting element 102.
The first portion 1041 has two fluid passing holes 1041a, and the liquid substrate transferred from the third fluid conducting element 102 to the second fluid conducting element 103 can be buffered in the liquid buffer space 1033 through the fluid passing holes 1041 a. The outer surface of the first portion 1041 has a first rib 1041b extending circumferentially, and the first rib 1041b abuts against the inner wall of the upper housing 101; the inner surface of the first part 1041 is provided with a second rib 1041c extending circumferentially, and the second rib 1041c is abutted with the liquid guiding main body 1031; a better sealing effect can be formed by the first rib 1041b and the second rib 1041 c. The outer surface of the second part 1042 is provided with a third rib 1042a extending circumferentially, and the third rib 1042a is abutted with the flue gas transmission pipe 1011, so as to form a better sealing effect. The inner surface of the first portion 1041 is further formed with a third step (not shown) which abuts against the upper end of the liquid guiding main body 1031, further providing a better sealing effect.
In a further preferred embodiment, the ultrasonic atomizer 10 further comprises an air passage for introducing air into the reservoir a to supply air into the reservoir a to relieve the reservoir a from negative pressure caused by consumption of the liquid matrix. In an embodiment, the second portion 1042 is provided with a groove 1042b, and the air in the air flow channel 1032 or the flue gas transmission pipe 1011 flows into the liquid buffer space 1033 through the groove 1042b and further flows to the liquid storage chamber a (shown as R3 in the figure).
As will be understood in conjunction with fig. 12-13, in another example, the ultrasonic atomizer 10 has a second liquid directing element 1003 and a second seal 1004 that are different from the examples of fig. 3-11.
The second liquid directing element 1003 has an annular body through which the liquid matrix delivered by the third liquid directing element 102 to the second liquid directing element 1003 is delivered to the ultrasonic atomization assembly 105 (shown as R1 in fig. 12). The annular body is provided with an air flow channel, and air guide grooves are formed in two sides of the annular body. After entering the ultrasonic atomizer 10 through the air inlet 1063, the outside air is deflected at least once by the air guide groove and flows into the air flow passage (shown as R2 in fig. 12). The air guide groove includes an air flow guide surface extending obliquely outward of the air flow passage so that the backward air flow can flow out of the air guide groove into the air flow passage at a predetermined angle. Like this, do benefit to the mixture of air and atomized particles, promoted the experience of suction and felt.
The second seal 1004 includes a gas flow aperture 1004a, a gas flow slot 1004b, and a first cutaway slot 1004 c. After entering the ultrasonic atomizer 10 through the air inlet 1063, the external air may flow into the air flow groove 1004b through the air flow hole 1004a, and flow to the liquid storage chamber a through the first notch groove 1004c and the gap between the third liquid guide member 102 and the inner wall of the upper housing 101 (shown as R3 in fig. 12). Therefore, the negative pressure in the liquid storage cavity A can be relieved, and the transfer of the liquid matrix is facilitated.
Further, second seal 1004 also includes a second cutaway groove 1004 d. The liquid medium in the liquid storage chamber a permeating into the air flow groove 1004b can flow into the second liquid guiding member 1003 through the second notch groove 1004d, and further flow into the ultrasonic atomization assembly 105. In this way, on the one hand the risk of leakage is avoided and on the other hand the utilization of the liquid matrix is improved.
As will be understood in conjunction with fig. 14-16, ultrasonic atomization assembly 105 includes an ultrasonic atomization sheet 1051, a first electrical connector (1052, 1053), a second electrical connector 1054, a first seal 1055, a resistive plate 1056, and a first wicking element 1057.
The first liquid guiding element 1057 and the ultrasonic atomization sheet 1051 are both in a shape of a round cake. The first drainage element 1057 is made of a conventional flexible plant cotton or other resilient porous material. The ultrasonic atomization sheet 1051 has a first electrode formed on the upper surface (or atomization surface) thereof and a second electrode formed on the lower surface thereof. In a preferred implementation, the ultrasonic atomization sheet 1051 comprises a piezoceramic matrix, the middle region of which is provided with through holes.
First electrical connector (1052, 1053) includes an aerosolizing sleeve 1052 and a coupling 1053, both aerosolizing sleeve 1052 and coupling 1053 being made of an electrically conductive material. The ultrasonic atomization plate 1051, the second electrical connector 1054, the first seal 1055, the resistive plate 1056, and the first liquid-conducting element 1057 are disposed or contained within the atomization sleeve 1052.
The atomizing sleeve 1052 includes a body 1052a, a limiting part 1052c and an abutment part 1052 b. The main body 1052a is cylindrical, i.e. hollow and has openings at both upper and lower ends. The position-limiting portion 1052c and the abutting portion 1052b may be formed by bending the portion of the main body 1052a close to the upper end for a second time, the position-limiting portion 1052c is located above the abutting portion 1052b, both the position-limiting portion 1052c and the abutting portion 1052b radially extend toward the inside of the atomizing sleeve 1052, and the position-limiting portion 1052c and the abutting portion 1052b are arranged in a step shape along the extending direction from the upper end of the atomizing sleeve 1052 to the lower end of the atomizing sleeve 1052. It is easily conceivable that the formation manner of the stopper portion 1052c and the abutment portion 1052b is various and not limited to the foregoing description, for example: it is also possible to weld the external member to the stopper portion 1052c and the abutment portion 1052b formed on the body 1052 a.
After assembly, part of the first liquid guiding element 1057 is abutted with the limiting part 1052 c; part of the upper surface of the ultrasonic atomization sheet 1051 abuts against the lower surface of the first liquid guiding element 1057 and the other part of the upper surface (having the first electrode) abuts against the abutment portion 1052 b; thus, the ultrasonic atomization sheet 1051 is kept in contact with the abutting portion 1052b and is electrically connected to the abutting portion, a part of the first liquid guiding element 1057 is kept between the limiting portion 1052c and the ultrasonic atomization sheet 1051, and another part of the first liquid guiding element 1057 is exposed out of the upper end opening of the body 1052a and abuts against the cotton pressing portion 1034.
In a preferred embodiment, the distance h between the position-limiting portion 1052c and the abutment portion 1052b is slightly smaller than the thickness of the first liquid guiding element 1057, which facilitates to clamp a part of the first liquid guiding element 1057 between the position-limiting portion 1052c and the ultrasonic atomization sheet 1051.
From the above, the area of the upper surface of the ultrasonic atomization sheet 1051 is larger than the area of the lower surface of the first fluid-conducting element 1057 (or the cross-sectional area of the first fluid-conducting element 1057); a portion of the upper surface of the first liquid guiding element 1057 is exposed at the upper end opening of the main body 1052 a; at least a portion of the first electrode is formed on the upper surface of the ultrasonic atomization sheet 1051 not covered by the first liquid guiding element 1057, i.e., at least a portion of the first electrode is formed on the upper surface of the portion of the ultrasonic atomization sheet 1051 located outside the first liquid guiding element 1057. The cross-sectional area of the first fluid-conducting element 1057 is larger than the area of the upper end opening of the body 1052 a.
The second electrical connection 1054 is a resilient electrode with a conductive spring. One end of the second electrical connector 1054 is in contact with and electrically connected to the second electrode and the other end extends toward and is flush with the lower end of the aerosolizing sleeve 1052.
The first sealing member 1055 is substantially annular, and the first sealing member 1055 includes an elastic element made of an insulating elastic material, such as silicon gel, soft gel, or the like. The first sealing piece 1055 is sleeved on the second electric connector 1054, the upper end of the first sealing piece 1055 is abutted against the lower surface of the ultrasonic atomization sheet 1051, and the peripheral side wall of the first sealing piece 105is abutted against the inner wall of the atomization sleeve 1052; thus, on one hand, a better sealing is formed, and on the other hand, the vibration transmission of the ultrasonic atomization sheet can be reduced. Similar to the second seal 104 described above, the upper end and/or the peripheral side wall of the first seal 1055 may be provided with ribs to provide a better seal.
The resistive plate 1056 is in the form of a square, and a through hole is provided in the middle thereof, and is sleeved on the second electrical connector 1054 through the through hole. A resistive plate 1056 is disposed between the coupling 1053 and the second electrical connector 1054 and has a first electrical connection (not shown) that is electrically connected, directly or indirectly, to the coupling 1053 and a second electrical connection (not shown) that is electrically connected, directly or indirectly, to the second electrical connector 1054. The resistance plate 1056 can consume the energy stored by the ultrasonic atomization sheet 1051 after being electrified and disconnected, ensure that the ultrasonic atomization sheet 1051 can work normally after being electrified again, and avoid that the ultrasonic atomization sheet 1051 releases instantaneous high voltage after being electrified again to burn out other electronic components.
In an alternative embodiment, the first sealing member 1055 comprises an elastic conductive element formed by molding a mixture of an elastic material and metal particles, wherein the elastic material can be silicone, soft gel, or the like. The elastic conductive element is in elastic contact with the ultrasonic atomization sheet 1051; one region of the resilient conductive element is electrically connected, directly or indirectly, to a first electrical connector (1052, 1053) and another region of the resilient conductive element is electrically connected, directly or indirectly, to a second electrical connector 1054. Thus, the resistance plate 1056 is not required to be provided, and the vibration transmission of the ultrasonic atomization sheet 1051 is reduced by the elasticity of the first seal 1055 itself; on the other hand, the ultrasonic atomization sheet 1051 is electrically connected with the first electric connectors (1052 and 1053) and the second electric connector 1054, so that a loop is formed to consume the energy stored by the ultrasonic atomization sheet 1051 after the ultrasonic atomization sheet 1051 is electrified and disconnected, the ultrasonic atomization sheet 1051 can work normally after being electrified again, and the phenomenon that other electronic components are burnt due to the fact that instantaneous high voltage is released after the ultrasonic atomization sheet 1051 is electrified again is avoided.
The coupling 1053 forms an electrical contact 105a of the ultrasonic nebulizer 10 and the second electrical connector 1054 forms an electrical contact 105b of the ultrasonic nebulizer 10. The coupling portion 1053 is annular and sleeved on the second electrical connector 1054, and the coupling portion 1053 is flush with the lower end of the atomizing sleeve 1052. The coupling 1053 is in contact and in electrical connection with the aerosolizing sleeve 1052, and the coupling 1053 is spaced from the second electrical connector 1054. The coupling 1053 is used to electrically connect with the power supply assembly 20. After assembly, the ultrasonic atomization assembly 105 is partially housed within the containment chamber 1065, with the first electrode hole 1061 disposed coaxially with the second electrical connection 1054 and the second electrode hole 1062 disposed in correspondence with the coupling 1053.
It is noted that in other examples, the first and second electrodes may extend onto the peripheral side of the ultrasonic atomization sheet 1051, respectively, to contact the first electrical connectors (1052, 1053), the second electrical connectors 1054 to form electrical connections; a first electrode may also be formed on the upper surface of the ultrasonic atomization sheet 1051 and extend to the lower surface of the ultrasonic atomization sheet 1051 to make electrical connection in contact with the first electrical connectors (1052, 1053), while a second electrode is formed on the lower surface of the ultrasonic atomization sheet 1051.
It is noted that in other examples, the ultrasonic atomization sheet 1051 may be non-pie shaped.
It should be noted that in other examples, it is also possible that the first electrical connection is realized by one or integrally formed structural members. For example: the lower end of the atomizing sleeve 1052 is bent inward to form a coupling portion 1053.
It should be noted that in other examples, it is also possible that the nebulizing sleeve 1052 is made of a non-conductive material and is held in contact with and electrically connected to the first electrode of the ultrasonic nebulizing plate 1051 by other electrical connections. At this time, the atomizing sleeve 1052 may include only the position-limiting portion 1052c, and a portion of the first liquid-guiding member 1057 is held between the position-limiting portion 1052c and the ultrasonic atomizing sheet 1051.
It should be noted that in other examples, the ultrasonic atomization assembly 105 may be formed by only the ultrasonic atomization sheet 1051, the first liquid guide member 1057 and the atomization sleeve 1052, and the ultrasonic atomization assembly 105 is disposed in the ultrasonic atomizer 10; while first electrical connectors (1052, 1053), second electrical connectors 1054, first seals 1055, and resistive plates 1056 may be disposed in the ultrasonic atomizer 10; it is also possible that the first electrical connector (1052, 1053), the second electrical connector 1054 may also be disposed in the power module 20; similarly, the resistance plate 1056 may be provided in the power module 20.
It should be noted that in other examples, only one of the second liquid guiding element 103 and the third liquid guiding element 102 may be left, and the other is also possible.
It should be noted that, for the ultrasonic atomizer 10 with three-stage liquid guiding, that is, the ultrasonic atomizer 10 with the first liquid guiding element 1057, the second liquid guiding element 103 and the third liquid guiding element 102, in other examples, the ultrasonic atomizing assembly 105 may adopt the structure shown in fig. 17, that is, a scheme in which the first liquid guiding element 1057 is separated from the ultrasonic atomizing sheet 1051 (in this scheme, the atomizing sleeve 1052 does not have a position limiting part). In one example, which may consist of only ultrasonic atomization sheet 1051, first electrical connector (1052, 1053), and second electrical connector 1054, first fluid-directing element 1057 is sandwiched between ultrasonic atomization assembly 105 and second fluid-directing element 103. Alternatively, the ultrasonic atomization assembly 105 is composed of only the ultrasonic atomization sheet 1051; the first electrical connector (1052, 1053), the second electrical connector 1054 may be disposed in the ultrasonic nebulizer 10 or power supply assembly.
In other examples, the second liquid guiding element 103 may be made of cotton.
It should be noted that the description of the present application and the accompanying drawings set forth preferred embodiments of the present application, however, the present application may be embodied in many different forms and is not limited to the embodiments described in the present application, which are not intended as additional limitations to the present application, but are provided for the purpose of providing a more thorough understanding of the present disclosure. Moreover, the above-mentioned technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope described in the present specification; further, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the scope of the appended claims.
Claims (26)
1. An ultrasonic atomization assembly, comprising:
an ultrasonic atomization sheet having a first electrode and a second electrode; the ultrasonic atomization sheet is used for ultrasonically atomizing a liquid matrix to form a liquid mist;
a first liquid guide element which is kept in contact with the ultrasonic atomization sheet; the first liquid guide element is used for transferring liquid matrix to the ultrasonic atomization sheet;
the atomizing sleeve comprises a limiting part, and an opening is formed in one end of the atomizing sleeve;
wherein at least part of the first liquid guiding element is exposed out of the opening, and the first liquid guiding element is kept between the limiting part and the ultrasonic atomization sheet.
2. The ultrasonic atomization assembly of claim 1, wherein the cross-sectional area of the first liquid directing element is greater than the area of the opening.
3. The ultrasonic atomization assembly of claim 1, wherein the first liquid-conducting element comprises a first face, and a second face opposite the first face;
part of the first face is exposed to the opening, and the second face is kept in contact with the ultrasonic atomization sheet.
4. The ultrasonic atomization assembly of claim 1, wherein the ultrasonic atomization plate includes a first face that is in contact with the first liquid-conducting element, and a second face opposite the first face;
the first electrode is disposed on the first face, and the second electrode is disposed on the second face; or,
the first electrode is arranged on the first surface and extends to the second surface along the side wall of the ultrasonic atomization sheet, and the second electrode is arranged on the second surface.
5. The ultrasonic atomizing assembly of claim 1, wherein said atomizing sleeve is made of an electrically conductive material;
the atomizing sleeve further includes an abutment portion that is held in contact with the first electrode to form an electrical connection.
6. The ultrasonic atomizing assembly of claim 5, wherein both the limit stop and the abutment extend radially within the atomizing sleeve.
7. The ultrasonic atomizing assembly of claim 6, wherein a distance between the limit stop and the abutment is less than a thickness of the first fluid conducting element.
8. The ultrasonic atomizing assembly of claim 5, wherein the limiting portion and the abutting portion are arranged in a stepped manner along an extending direction from one end of the atomizing sleeve to the other end of the atomizing sleeve.
9. The ultrasonic atomization assembly of claim 5 further comprising an electrical connector housed within the atomization sleeve;
one end of the electric connector is in contact with the second electrode to form electric connection, and the other end of the electric connector extends towards the other end of the atomizing sleeve.
10. The ultrasonic atomization assembly of claim 9 further comprising a resistive plate housed within the atomization sleeve, the resistive plate having a first electrical connection end that is directly or indirectly electrically connected to the atomization sleeve and a second electrical connection end that is directly or indirectly electrically connected to the electrical connection.
11. The ultrasonic atomization assembly of claim 9 further comprising a resilient element received within the atomization sleeve, the resilient element being spaced between the electrical connector and the atomization sleeve and in resilient contact with the ultrasonic atomization plate.
12. The ultrasonic atomization assembly of claim 9 further comprising a resilient conductive element housed within the atomization sleeve; the elastic conductive element is directly or indirectly electrically connected with the atomizing sleeve, and the elastic conductive element is directly or indirectly electrically connected with the electric connecting piece; and the elastic conductive element is in elastic contact with the ultrasonic atomization sheet.
13. The ultrasonic atomizing assembly of claim 5, wherein the other end of the atomizing sleeve is bent inward to form a coupling portion; or,
the ultrasonic atomization assembly also includes a coupling portion received within the atomization sleeve, the coupling portion being in contact with an inner wall of the atomization sleeve to form an electrical connection.
14. The ultrasonic atomizing assembly of any one of claims 1-4, wherein the atomizing sleeve is made of a non-conductive material.
15. The ultrasonic atomizing assembly of any one of claims 1-14, wherein the atomizing sleeve is cylindrical and the first fluid conducting member and the ultrasonic atomizing plate are each discoid.
16. An ultrasonic nebulizer comprising a reservoir for holding a liquid substrate and an ultrasonic atomizing assembly according to any one of claims 1 to 15; wherein the reservoir chamber is in direct or indirect fluid communication with the first fluid conducting element.
17. The ultrasonic nebulizer of claim 16, further comprising a second liquid conducting element and a third liquid conducting element; the third liquid guide element is communicated with the liquid storage cavity in a fluid mode so as to suck the liquid matrix stored in the liquid storage cavity, one end of the second liquid guide element is in contact with the third liquid guide element, and the other end of the second liquid guide element is in contact with the first liquid guide element, so that the liquid matrix is transferred from the liquid storage cavity to the first liquid guide element; the first liquid guiding element and the third liquid guiding element are made of flexible porous materials, and the second liquid guiding element is made of solid porous materials.
18. The ultrasonic nebulizer of claim 16 further comprising a second liquid conducting element, a third liquid conducting element and a liquid buffer space; one end of the third liquid guide element is communicated with the liquid storage cavity in a fluid mode so as to suck the liquid matrix stored in the liquid storage cavity, and the other end of the third liquid guide element is communicated with the liquid caching space; one end of the second liquid guide element is in contact with the liquid caching space, and the other end of the second liquid guide element is in contact with the first liquid guide element, so that the liquid matrix is transferred from the liquid storage cavity to the first liquid guide element; the first liquid guiding element and the third liquid guiding element are made of flexible porous materials, and the second liquid guiding element is made of solid porous materials.
19. The ultrasonic atomizer of claim 17 or 18, wherein said second liquid guiding element further comprises a pressing cotton portion, said second liquid guiding element is in contact with said first liquid guiding element through said pressing cotton portion, and an air guiding groove and an air flow passage opening are further provided at the end of said second liquid guiding element having said pressing cotton portion.
20. An ultrasonic atomizer, comprising:
a reservoir chamber for storing a liquid substrate;
a third wicking element configured to be in fluid communication with the reservoir chamber to draw the liquid substrate stored in the reservoir chamber;
a second liquid-conducting element configured to receive the liquid matrix drawn by the third liquid-conducting element;
a first wicking element in contact with the second wicking element to draw liquid matrix from the second wicking element;
the ultrasonic atomization assembly comprises an ultrasonic atomization sheet, and the ultrasonic atomization sheet is in contact with the first liquid guide element to ultrasonically atomize the liquid matrix in the first liquid guide element and form a liquid fog;
the first liquid guide element and the third liquid guide element are made of flexible porous materials, and the second liquid guide element is made of solid porous materials;
the second liquid guide element further comprises a cotton pressing part, the second liquid guide element is in contact with the first liquid guide element through the cotton pressing part, and an air guide groove and an air flow channel opening are further formed in the end, provided with the cotton pressing part, of the second liquid guide element.
21. The ultrasonic nebulizer of claim 20, wherein the second wicking element is spaced apart from the third wicking element by a liquid buffer space.
22. The ultrasonic atomizer of claim 21, wherein said second liquid-conducting element comprises a plate-like liquid-conducting body and an air flow passage extending through said liquid-conducting body;
one surface of the liquid guiding main body is partially sunken to form the liquid caching space;
the other surface of the liquid guide main body is partially protruded to form the cotton pressing part, and the cotton pressing part is kept in contact with the first liquid guide element;
and the other surface of the liquid guide main body is also provided with a gas guide groove communicated with the gas flow channel.
23. The ultrasonic nebulizer of claim 20, wherein the second liquid directing element is in direct contact with the third liquid directing element.
24. The ultrasonic atomizer of claim 20, wherein said ultrasonic atomizing assembly further comprises an atomizing sleeve, said atomizing sleeve comprises a position-limiting portion, and one end of said atomizing sleeve has an opening, at least a portion of said first liquid-conducting element is exposed to said opening, and said first liquid-conducting element is held between said position-limiting portion and said ultrasonic atomizing plate.
25. The ultrasonic atomizer of claim 24 wherein said ultrasonic atomizing assembly further comprises a coupling portion and an electrical connection; the ultrasonic atomization sheet is provided with a first electrode and a second electrode, one end of the atomization sleeve is further provided with a butting part electrically connected with the first electrode, the other end of the atomization sleeve is in contact with the coupling part, the electric connection part is electrically connected with the second electrode, and the coupling part and the electric connection part are respectively used for being connected with positive and negative electric contacts of the power supply assembly to be electrified.
26. An ultrasonic atomisation device comprising a power supply assembly and an ultrasonic atomiser as claimed in any one of claims 16 to 25.
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| WO2023103981A1 (en) * | 2021-12-07 | 2023-06-15 | 深圳市合元科技有限公司 | Ultrasonic atomization assembly, ultrasonic atomizer and ultrasonic atomization device |
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