CN216701681U - Ultrasonic atomization sheet, atomizer and aerosol generating device - Google Patents

Abstract

The utility model provides an ultrasonic atomization sheet, an atomizer and an aerosol generating device. When the metal film is used, the wiring lug body of the wiring lug is electrically connected with the lead electrically connected with the power supply device, so that the power supply device can be electrically connected to the metal film. When the wiring ear atress, the stress release body can produce bending deformation in order to release stress, reduces substantially by the stress on the direct transmission of wiring ear to the metal diaphragm to prevent that the metal diaphragm from appearing droing under the effect of concentrated stress, guarantee the integrality that metal diaphragm and piezoceramics piece pasted, avoid the metal diaphragm to appear droing by a large scale and influence atomization efficiency, improve the reliable and stable nature of ultrasonic atomization piece atomizing work.

Description

Ultrasonic atomization sheet, atomizer and aerosol generating device

Technical Field

The utility model belongs to the technical field of atomization and simulated smoking, and particularly relates to an ultrasonic atomization sheet, an atomizer and an aerosol generating device.

Background

The aerosol generating device generally includes an atomizer and a power supply device electrically connected to the atomizer, and the atomizer is capable of atomizing an aerosol-forming substrate stored in the atomizer under an electrically driven action of the power supply device, so as to enable a user to inhale and achieve a simulated smoking effect.

Currently, in the structure of the ultrasonic atomizing sheet of the atomizer, a metal membrane having a micro-hole at the center is generally directly adhered to a piezoelectric ceramic, and a lug for welding a wire is also directly connected to the metal membrane. After the wiring lug receives external acting force and takes place the bending, because the produced stress of wiring lug bending deformation can't obtain releasing, will transmit on the metal diaphragm, cause the metal diaphragm to appear droing by a large scale easily for the energy that piezoceramics vibrations produced just can't well transmit on the metal diaphragm, thereby influence the atomizing efficiency of ultrasonic atomization piece, cause ultrasonic atomization piece to become invalid even.

SUMMERY OF THE UTILITY MODEL

Based on the above problems in the prior art, an object of an embodiment of the present invention is to provide an ultrasonic atomization sheet, so as to solve the problem that in the ultrasonic atomization sheet structure in the prior art, stress generated by bending deformation of a wire connection lug cannot be released, so that a metal membrane is likely to fall off in a large area, which affects atomization efficiency.

In order to achieve the purpose, the utility model adopts the technical scheme that: there is provided a nebulizer, comprising:

the center of the piezoelectric ceramic piece is provided with a through hole in a penetrating manner, and the two ends of the piezoelectric ceramic piece along the axial direction of the through hole are respectively provided with a first surface and a second surface;

a first electrode layer stacked on the first surface;

a second electrode layer stacked on the second surface;

the metal membrane is arranged on one surface of the first electrode layer or the second electrode layer, which is far away from the piezoelectric ceramic piece, and is electrically connected with the first electrode layer or the second electrode layer, and the position of the metal membrane, which corresponds to the through hole, is provided with a micropore; and

the wiring lug is arranged on the metal diaphragm;

the wiring lug comprises a wiring lug body and a stress releasing body, wherein the wiring lug body is used for being electrically connected with a lead, the stress releasing body can be bent and deformed to release stress when stressed, the first end of the stress releasing body is connected with the wiring lug body, and the second end of the stress releasing body is connected with the metal membrane.

Furthermore, the stress release body is in a diaphragm shape, and the thickness of the stress release body is smaller than or equal to that of the metal diaphragm.

Furthermore, the peripheral edge of the metal membrane is provided with a stress release notch for the stress release body to bend and deform to release stress when stressed, and the stress release body is positioned in the stress release notch.

Further, the stress release body comprises a connecting section connected with the metal membrane and a pressure release transition section connecting the connecting section with the lug body.

Further, the width of the pressure relief transition section is gradually reduced from the lug body to the connecting section.

Further, the width of the connecting section is smaller than the width of the pressure relief transition section.

Further, the lug body and the stress release body are integrally formed.

Further, the metal diaphragm includes annular protection piece and locates the diaphragm part of the centre bore department of annular protection piece, the annular protection piece covers and locates first electrode layer or the second electrode layer deviates from on the one side of piezoceramics piece, the micropore is located the diaphragm part, the second end of stress release body with the annular protection piece links to each other.

Based on the above problems in the prior art, it is another object of the embodiments of the present invention to provide a nebulizer having the ultrasonic atomization sheet in any of the above aspects.

In order to achieve the purpose, the utility model adopts the technical scheme that: there is provided an atomizer comprising the ultrasonic atomization sheet provided in any of the above aspects.

Based on the above problems in the prior art, it is a further object of the embodiments of the present invention to provide an aerosol generating device having the ultrasonic atomizing sheet or the atomizer in any of the above aspects.

In order to achieve the purpose, the utility model adopts the technical scheme that: there is provided an aerosol generating device comprising the ultrasonic atomization sheet or the atomizer provided in any of the above aspects.

Compared with the prior art, one or more technical schemes in the embodiment of the utility model have at least one of the following beneficial effects:

in the ultrasonic atomization sheet, the atomizer and the aerosol generating device in the embodiment of the utility model, in the structure of the ultrasonic atomization sheet, the wiring lug can be arranged on the metal diaphragm through the stress releasing body only by connecting the stress releasing body of the wiring lug with the metal diaphragm. When the metal film is used, the wiring lug body of the wiring lug is electrically connected with the lead electrically connected with the power supply device, so that the power supply device can be electrically connected to the metal film. When the wiring ear atress, the stress release body can produce bending deformation in order to release stress, reduces substantially by the stress on the direct transmission of wiring ear to the metal diaphragm to prevent that the metal diaphragm from appearing droing under the effect of concentrated stress, guarantee the integrality that metal diaphragm and piezoceramics piece pasted, avoid the metal diaphragm to appear droing by a large scale and influence atomization efficiency, improve the reliable and stable nature of ultrasonic atomization piece atomizing work.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of an ultrasonic atomization sheet provided in an embodiment of the present invention;

FIG. 2 is a schematic view of a portion A of FIG. 1;

FIG. 3 is a schematic structural view of a metal film of the ultrasonic atomization sheet shown in FIG. 1 provided with a lug;

FIG. 4 is a partially enlarged view of the portion B in FIG. 3;

FIG. 5 is a schematic structural view of a lug of the ultrasonic atomization sheet shown in FIG. 1 under a pressure;

FIG. 6 is a partial enlarged view of the portion C in FIG. 5;

FIG. 7 is a schematic structural diagram of a lug on a metal diaphragm under pressure according to an embodiment of the present invention;

FIG. 8 is a partially enlarged view of the portion D in FIG. 7;

fig. 9 is an exploded view of the ultrasonic atomization plate shown in fig. 1.

Wherein, in the figures, the respective reference numerals:

1-a piezoelectric ceramic sheet; 11-a through hole; 12-a first side; 13-a second face;

2-a first electrode layer; 3-a second electrode layer;

4-protective membrane; 41-a central hole; 42-a glass sheet; 43-a metal diaphragm;

5-a metal membrane; 51-an annular protective sheet; 52-a membrane portion; 53-microwell; 54-stress relief notches;

6-wire lug; 61-lug body; 62-a stress relief body; 621-a connecting segment; 622-pressure relief transition;

7-stress concentration zone; 8-a first conductive glue layer; 9-gap.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "connected" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "plurality" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment," "in some embodiments," or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1 to 9, an ultrasonic atomization plate according to an embodiment of the present invention will now be described. The ultrasonic atomization sheet provided by the embodiment of the utility model is not only suitable for an atomizer of an aerosol generating device, but also can be applied to medical equipment such as a medicine atomizer with an ultrasonic atomization function, household appliances such as a humidifier and the like. The aerosol generating device according to the embodiment of the present invention generally includes an atomizer having an ultrasonic atomization plate, and a power supply device electrically connected to the atomizer. When the ultrasonic atomizer is used, the power supply device is used for supplying electric energy to the ultrasonic atomization sheet of the atomizer, the piezoelectric element of the ultrasonic atomization sheet, namely the piezoelectric ceramic, can convert the electric energy into mechanical energy through the inverse piezoelectric effect under the electric driving effect, and the piezoelectric ceramic is repeatedly deformed to generate vibration. In this way, during vibration of the piezoceramic wafer, the aerosol-forming substrate is able to be squeezed out of the pores 53, thereby forming a fine-particle aerosol.

Referring to fig. 1, fig. 2 and fig. 9, an ultrasonic atomizing plate according to an embodiment of the present invention includes a piezoelectric ceramic plate 1, a first electrode layer 2, a second electrode layer 3, a metal membrane 5 and a lug 6, a through hole 11 is formed through a center of the piezoelectric ceramic plate 1, and two ends of the piezoelectric ceramic plate 1 along an axial direction of the through hole 11 respectively have a first surface 12 and a second surface 13. In order to apply voltage to the first surface 12 and the second surface 13 of the piezoelectric ceramic plate 1 respectively to make the piezoelectric ceramic plate 1 vibrate under the driving action of electric energy, a first electrode layer 2 needs to be arranged on the first surface 12 of the piezoelectric ceramic plate 1, and a second electrode layer 3 needs to be arranged on the second surface 13 of the piezoelectric ceramic plate 1. It is understood that in some embodiments, the first electrode layer 2 may be, but is not limited to, a first conductive silver layer plated or printed on the first side 12 of the piezoceramic sheet 1, and the first electrode layer 2 may also be a first conductive gold layer or a first conductive copper layer or the like disposed on the first side 12 of the piezoceramic sheet 1. Likewise, the second electrode layer 3 may be, but is not limited to, a second conductive silver layer plated or printed on the second side 13. The second electrode layer 3 may also be a second conductive gold layer or a second conductive copper layer, etc. disposed on the second surface 13 of the piezoelectric ceramic sheet 1.

Referring to fig. 2, fig. 3 and fig. 4, the metal membrane 5 is disposed on a surface of the first electrode layer 2 away from the piezoelectric ceramic sheet 1, and the metal membrane 5 is electrically connected to the first electrode layer 2. The metal membrane 5 is provided with the micropores 53 corresponding to the through holes 11, and only a power supply device is needed to apply voltage to the first surface 12 and the second surface 13 of the piezoelectric ceramic piece 1 respectively, so that the piezoelectric ceramic piece 1 vibrates under the driving action of electric energy, the aerosol forming substrate can be extruded out from the micropores 53, and then smoke with tiny particles is formed. It should be noted that the metal membrane 5 may also be disposed on a surface of the second electrode layer 3 away from the piezoelectric ceramic plate 1, and the metal membrane 5 is electrically connected to the second electrode layer 3. In some embodiments, the metal membrane 5 includes an annular protection plate 51 and a membrane portion 52 disposed at a central hole of the annular protection plate 51, the annular protection plate 51 covers a side of the first electrode layer 2 or the second electrode layer 3 facing away from the piezoelectric ceramic plate 1, the annular protection plate 51 is electrically connected to the first electrode layer 2 or the first electrode layer 2, the micro-hole 53 is disposed on the membrane portion 52, and a second end of the stress relief body 62 of the lug is connected to the annular protection plate 51. In use, a voltage can be applied to the first surface 12 or the second surface 13 of the piezoelectric ceramic sheet 1 by the power supply device by simply soldering a wire to the lug body 61 of the lug 6.

As can be understood, referring to fig. 5, fig. 6 and fig. 9 in combination, in some embodiments, when the metal membrane 5 is disposed on a surface of the first electrode layer 2 facing away from the piezoelectric ceramic plate 1, a protective membrane 4 is disposed on a surface of the second electrode layer 3 facing away from the piezoelectric ceramic plate 1, a central hole 41 communicating with the through hole 11 is disposed on the protective membrane 4 corresponding to the through hole 11, and an electrode tab for electrically connecting to another wire electrically connected to a power supply device is disposed on the second electrode layer 3. In other embodiments, when the metal membrane 5 is disposed on a surface of the second electrode layer 3 away from the piezoelectric ceramic plate 1, a protective membrane 4 is disposed on a surface of the first electrode layer 2 away from the piezoelectric ceramic plate 1, and an electrode tab for electrically connecting to another wire electrically connected to the power supply device is disposed on the second electrode layer 3. Voltages can be simultaneously applied to the first surface 12 and the second surface 13 of the piezoelectric ceramic plate 1 by a power supply device, so that the piezoelectric ceramic plate 1 generates vibration under the driving action of electric energy.

Referring to fig. 2, 4 and 6, the tab 6 is disposed on the metal diaphragm 5, the tab 6 includes a tab body 61 and a stress releasing body 62, a first end of the stress releasing body 62 is connected to the tab body 61, a second end of the stress releasing body 62 is connected to the metal diaphragm 5, and the tab body 61 is electrically connected to a lead electrically connected to the power supply device. For example, in some embodiments, one end of the wire is electrically connected to the power supply device, and the other end of the wire is welded to the lug body 61, so that the power supply device can be electrically connected to the metal diaphragm 5 through the lug 6. The stress releasing body 62 can be bent and deformed when the lug 6 is stressed to release stress, so as to reduce the stress directly transmitted to the metal membrane 5, and prevent the metal membrane 5 from falling off in a large area under the action of concentrated stress. It is understood that in some embodiments, the lug 6 may be made of a conductive metal material as a whole, and the lug 6 or the stress relief body 62 of the lug 6 may be made of a metal sheet with good ductility and plastic deformation properties, so that when the lug 6 is stressed, the stress relief body 62 may be bent to relieve the stress, thereby reducing the stress directly transmitted to the metal membrane 5.

Compared with the prior art, the ultrasonic atomization sheet provided by the embodiment of the utility model has the advantages that the wiring lug 6 can be arranged on the metal membrane 5 through the stress releaser 62 only by connecting the stress releaser 62 of the wiring lug 6 with the metal membrane 5. When in use, the lug body 61 of the lug 6 is electrically connected with a lead electrically connected with the power supply device, so that the power supply device can be electrically connected to the metal diaphragm 5. When wiring ear 6 atress, stress release body 62 can produce bending deformation in order to release stress, reduces substantially by the stress on wiring ear 6 direct transmission to metal diaphragm 5 to prevent that metal diaphragm 5 from appearing droing under the effect of concentrated stress, guarantee the integrality that metal diaphragm 5 and piezoceramics piece 1 pasted, avoid metal diaphragm 5 to appear droing by a large scale and influence atomization efficiency, improve the reliable and stable nature of ultrasonic atomization piece atomizing work.

Referring to fig. 2, 4 and 6, in some embodiments, the stress relief body 62 is in the shape of a diaphragm, and the thickness of the stress relief body 62 is smaller than or equal to the thickness of the metal diaphragm 5. In this embodiment, the stress releasing body 62 is arranged in a membrane shape, so that the stress releasing body 62 has good ductility and plastic deformation performance, when the wiring lug 6 is stressed, the wiring lug body 61 transmits stress to the stress releasing body 62, the stress releasing body 62 can rapidly generate bending deformation to release stress, the stress directly transmitted to the metal membrane 5 by the wiring lug body 61 is greatly reduced, and the metal membrane 5 is prevented from falling off under the action of concentrated stress. Further, the thickness of the stress releasing body 62 is set to be less than or equal to the thickness of the metal membrane 5, so that the stress transmitted to the stress releasing body 62 by the lug body 61 can be concentrated at the joint of the stress releasing body 62 and the metal membrane 5, and the integrity of the adhesion of the metal membrane 5 and the piezoelectric ceramic plate 1 is ensured to the maximum extent. It is understood that the stress relief body 62 in this embodiment may be, but is not limited to, a conductive metal sheet having good ductility and plastic deformation properties. In order to improve the stability and reliability of the lug body 61 in transmitting stress to the stress relief body 62, the lug body 61 and the stress relief body 62 are integrally formed.

Referring to fig. 4, fig. 6 and fig. 8, in some embodiments, the peripheral edge of the metal diaphragm 5 is provided with a stress relief notch 54 for the stress relief body 62 to bend and deform to relieve stress when being stressed, and the stress relief body 62 is located in the stress relief notch 54. In this embodiment, a stress releasing notch 54 is formed in the peripheral edge of the metal diaphragm 5, the stress releasing body 62 is located in the stress releasing notch 54, and a gap 9 is formed between the stress releasing notch 54 and the corresponding side edge of the stress releasing body 62 to allow the stress releasing body 62 to bend and deform to release stress when stressed, so that the stress on the side edge of the stress releasing body 62 of the wiring lug 6 is fully released, the stress directly transmitted to the metal diaphragm 5 by the wiring lug body 61 is further reduced, the metal diaphragm 5 is prevented from falling off under the action of concentrated stress, and the integrity of the adhesion between the metal diaphragm 5 and the piezoelectric ceramic wafer 1 is ensured to the maximum extent.

Referring to fig. 2, 5 and 6, in some embodiments, the stress relief body 62 includes a connection segment 621 and a pressure relief transition segment 622, the connection segment 621 is connected to the metal diaphragm 5, and the pressure relief transition segment 622 connects the connection segment 621 with the lug body 61. In this embodiment, the stress relief body 62 is configured as a connection section 621 connected to the metal diaphragm 5 and a pressure relief transition section 622 connecting the connection section 621 and the lug body 61, so that the stress transmitted from the lug body 61 to the stress relief body 62 can be concentrated on the stress concentration region 7 of the connection section 621 connected to the metal diaphragm 5, so as to ensure the integrity of the adhesion of the metal diaphragm 5 and the piezoelectric ceramic plate 1 to the maximum extent. Further, the width of the pressure relief transition section 622 gradually decreases from the lug body 61 to the connection section 621, so as to reduce stress conduction, so that the stress on the lug body 61 is released at the pressure relief transition section 622 as much as possible, thereby achieving the purpose of reducing the stress conducted from the lug body 61 to the connection section 621, and further reducing the stress directly transmitted from the lug body 61 to the metal diaphragm 5.

Further, referring to fig. 2, fig. 4 and fig. 6, in some embodiments, the width of the connecting section 621 is set to be smaller than the width of the pressure releasing transition section 622, so that when the wire lug 6 is stressed, after the wire lug body 61 transmits stress to the pressure releasing transition section 622 of the stress releasing body 62, the connecting section 621 of the stress releasing body 62 can easily and quickly generate bending deformation to release stress, and the stress directly transmitted to the metal membrane 5 from the wire lug body 61 is greatly reduced, thereby preventing the metal membrane 5 from falling off under the action of concentrated stress.

Referring to fig. 9, in some embodiments, the ultrasonic atomization sheet further includes a first conductive adhesive layer 8 for bonding the first electrode layer 2 and the metal membrane 5. After the first electrode layer 2 is plated or printed on the first surface 12 of the piezoelectric ceramic sheet 1, a conductive adhesive is coated on the surface of the first electrode layer 2 departing from the piezoelectric ceramic sheet 1, the metal membrane 5 is bonded on the first electrode layer 2, and a first conductive adhesive layer 8 is formed between the first electrode layer 2 and the metal membrane 5. Likewise, in some embodiments, the ultrasonic atomization sheet further comprises a second conductive adhesive layer for bonding the second electrode layer 3 and the protective membrane 4. After the second electrode layer 3 is plated or printed on the second surface 13 of the piezoelectric ceramic sheet 1, a conductive adhesive is coated on the surface of the second electrode layer 3 departing from the piezoelectric ceramic sheet 1, the protective membrane 4 is bonded on the second electrode layer 3, and a second conductive adhesive layer is formed between the second electrode layer 3 and the protective membrane 4. It should be noted that, the first conductive adhesive layer 8 and/or the second conductive adhesive layer may be, but is not limited to, a conductive silver adhesive layer, that is, the conductive adhesive may be, but is not limited to, a conductive silver adhesive, for example, the conductive adhesive may also be a conductive copper adhesive.

The embodiment of the utility model also provides an atomizer which comprises the ultrasonic atomization sheet provided by any one of the embodiments. Since the atomizer has all the technical features of the ultrasonic atomizing sheet provided in any one of the above embodiments, it has the same technical effects as the above ultrasonic atomizing sheet.

The embodiment of the utility model also provides an aerosol generating device which comprises the ultrasonic atomization sheet or the atomizer provided by any one of the embodiments. Since the aerosol generating device has all the technical features of the ultrasonic atomization sheet or the atomizer provided in any one of the above embodiments, it has the same technical effects as the ultrasonic atomization sheet or the atomizer.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. An ultrasonic atomization sheet, comprising:

the center of the piezoelectric ceramic piece is provided with a through hole in a penetrating manner, and the two ends of the piezoelectric ceramic piece along the axial direction of the through hole are respectively provided with a first surface and a second surface;

a first electrode layer stacked on the first surface;

a second electrode layer stacked on the second surface;

the metal membrane is arranged on one surface of the first electrode layer or the second electrode layer, which is far away from the piezoelectric ceramic piece, and is electrically connected with the first electrode layer or the second electrode layer, and the position of the metal membrane, which corresponds to the through hole, is provided with a micropore; and

the wiring lug is arranged on the metal diaphragm;

the wiring lug comprises a wiring lug body and a stress releasing body, wherein the wiring lug body is used for being electrically connected with a lead, the stress releasing body can be bent and deformed to release stress when stressed, the first end of the stress releasing body is connected with the wiring lug body, and the second end of the stress releasing body is connected with the metal membrane.

2. The ultrasonic atomization sheet of claim 1 wherein the stress relief body is in the form of a membrane, and the thickness of the stress relief body is less than or equal to the thickness of the metal membrane.

3. The ultrasonic atomization plate of claim 1, wherein a peripheral edge of the metal membrane is provided with a stress relief notch for the stress relief body to bend and deform when the stress relief body is stressed so as to relieve the stress, and the stress relief body is located in the stress relief notch.

4. The ultrasonic atomization sheet of claim 3 wherein the strain relief body comprises a connection section connected to the metal diaphragm and a pressure relief transition section connecting the connection section to the lug body.

5. The ultrasonic atomization sheet of claim 4 wherein the pressure relief transition section tapers in width from the lug body to the connection section.

6. The ultrasonic atomization sheet of claim 4 wherein the width of the land is less than the width of the pressure relief transition section.

7. The ultrasonic atomization sheet of any one of claims 1 to 6 wherein the lug body is integrally formed with the strain relief body.

8. The ultrasonic atomizing sheet according to any one of claims 1 to 6, wherein the metal membrane sheet includes an annular protective sheet and a membrane sheet portion disposed at a central hole of the annular protective sheet, the annular protective sheet is disposed on a surface of the first electrode layer or the second electrode layer facing away from the piezoelectric ceramic sheet, the micro-holes are disposed on the membrane sheet portion, and the second end of the stress releasing body is connected to the annular protective sheet.

9. An atomizer characterized by comprising an ultrasonic atomizing plate according to any one of claims 1 to 8.

10. An aerosol generating device comprising an ultrasonic nebulization patch according to any of claims 1 to 8 or an atomizer according to claim 9.

Images