Ultrasonic atomizing sheet and atomizer

Abstract

The present invention discloses an ultrasonic atomizer sheet and an atomizer, wherein the ultrasonic atomizer sheet comprises a sheet-shaped piezoelectric substrate, a surface electrode fixedly arranged on the surface of one side of the piezoelectric substrate, and a driving electrode fixedly arranged on the surface of the other side of the piezoelectric substrate. The piezoelectric substrate is in the shape of a long strip, and the piezoelectric substrate is composed of an interconnected oscillating section and a fixed section. The surface electrode is fixedly arranged on the surface of one side of the oscillating section, and the driving electrode is fixedly arranged on the surface of the other side of the oscillating section; the surface electrode and the driving electrode are both circular. The present invention has good atomization effect, large amount of smoke, and small size.

Description

Technical Field

[0001] The present invention particularly relates to an ultrasonic atomization sheet and an atomizer. Background Art

[0002] At present, the ultrasonic atomizer sheets on the market are all disc-shaped, which include a disc-shaped piezoelectric substrate, a surface electrode fixed on the surface of one side of the piezoelectric substrate, and a driving electrode fixed on the surface of the other side of the piezoelectric substrate. When working, the surface electrode and the driving electrode are respectively connected to the two poles of the power supply, and the ultrasonic atomizer sheet can oscillate at a high frequency, thereby ultrasonically atomizing the tobacco oil or other liquids to generate smoke for users to inhale.

[0003] The existing disc-shaped ultrasonic atomizer has the following disadvantages:

[0004] First, when in use, the disc-shaped ultrasonic atomizer needs to be fixed by a cylindrical fixing sleeve, and the fixing sleeve surrounds and fixes the ultrasonic atomizer along the circumference of the ultrasonic atomizer. Since the circumference of the ultrasonic atomizer is fixed, the high-frequency working amplitude of the ultrasonic atomizer is limited, affecting the atomization effect and the amount of smoke is small.

[0005] Second, since the atomization effect of the disc-shaped ultrasonic atomizer is relatively poor, in order to improve the atomization effect, the diameter of the ultrasonic atomizer is generally larger, which leads to a larger size of the product using the ultrasonic atomizer. Summary of the invention

[0006] The object of the present invention is to provide an ultrasonic atomizer sheet and an atomizer to address the deficiencies of the above-mentioned prior art, which have good atomization effect, large amount of smoke and small size.

[0007] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0008] An ultrasonic atomizer sheet includes a sheet-like piezoelectric substrate, a surface electrode fixed on the surface of one side of the piezoelectric substrate, and a driving electrode fixed on the surface of the other side of the piezoelectric substrate. Its structural characteristics are that the piezoelectric substrate is in the shape of an elongated strip, and the piezoelectric substrate is composed of an interconnected oscillating section and a fixed section. The surface electrode is fixed on the surface of one side of the oscillating section, and the driving electrode is fixed on the surface of the other side of the oscillating section; the surface electrode and the driving electrode are both circular.

[0009] With the above structure, since the piezoelectric matrix is ​​in the shape of a long strip, a long strip ultrasonic atomizer sheet is formed. The ultrasonic atomizer sheet is composed of two sections, a fixed section and an oscillating section. During assembly, the fixed section of the ultrasonic atomizer sheet is clamped and fixed by a fixing seat, and the oscillating section of the ultrasonic atomizer sheet is suspended. During the oscillation process, since the fixed section is clamped and fixed by the fixing seat, the amplitude of the fixed section is relatively weak. The oscillating section of the ultrasonic atomizer sheet is suspended in the air, without anything to restrain it, so the amplitude is relatively large, the atomization effect is good, and the amount of smoke is large. Since the ultrasonic atomizer sheet in the present invention is in the shape of a long strip, when the contact area between the ultrasonic atomizer sheet and the smoke-producing material is consistent, that is, the amount of atomized smoke is consistent, the size of the atomizer using the ultrasonic atomizer sheet can be relatively small, which is conducive to the miniaturization of products using ultrasonic atomizer sheets.

[0010] As a preferred embodiment, one side surface of the oscillation segment is fully covered by the surface electrode, and the central area of ​​the other side surface of the oscillation segment is covered by the driving electrode, and the ratio of the surface electrode area to the driving electrode area is a:b, wherein a is greater than b.

[0011] As another preferred embodiment, one side surface of the oscillation segment is composed of a covered area with a surface electrode fixedly provided and an exposed area without a surface electrode fixedly provided, the covered area and the exposed area are arranged along the length direction of the oscillation segment, and the covered area is closer to the fixed segment than the exposed area; the ratio of the surface electrode area to the driving electrode area is a:b, wherein a is greater than b.

[0012] Due to the above structure, there is a distance between the surface electrode and the end of the oscillation section, so that the heat generated by the ultrasonic atomizer during the atomization process can be diffused to both ends. Therefore, the heat dissipation speed is fast and the oscillation effect is better, preventing the oscillation section from breaking due to high temperature during operation and extending the service life of the ultrasonic atomizer.

[0013] As a preferred method, a:b=(3~4):(1~2).

[0014] As a preferred embodiment, the piezoelectric substrate is further provided with a first welding point connected to the surface electrode and a second welding point connected to the driving electrode.

[0015] The two electrodes of the power supply are connected to the first welding point and the second welding point respectively, so as to realize the electrical connection between the two electrodes of the power supply and the surface electrode and the driving electrode.

[0016] As a preferred embodiment, the first welding point is arranged at the outer edge of the surface electrode, and the second welding point is arranged at the outer edge of the driving electrode.

[0017] With the above structure, the first solder joint is directly arranged next to the surface electrode, and the second solder joint is directly arranged next to the driving electrode, thereby avoiding the use of conductive wires to connect the solder joints and the electrodes, thereby reducing costs.

[0018] As another preferred embodiment, the first welding point and the second welding point are both arranged on the outer surface of the fixed section, the piezoelectric substrate is fixedly provided with a first conductive lead connecting the first welding point and the surface electrode, and the piezoelectric substrate is fixedly provided with a second conductive lead connecting the second welding point and the driving electrode.

[0019] By means of the above structure, the first welding point and the second welding point are arranged in the fixed section with a smaller amplitude, so as to prevent the first welding point and the second welding point from being pulled off when the ultrasonic atomizer sheet oscillates, thereby ensuring the reliability of the conductive and working of the ultrasonic atomizer sheet. At the same time, the first welding point and the second welding point are arranged in the fixed section, so as to avoid the high temperature generated during the welding process and affect the performance of the oscillating section, thereby extending the service life of the ultrasonic atomizer sheet.

[0020] As a preferred embodiment, the first conductive lead is shaped like an isosceles trapezoid, the large end of the first conductive lead is smoothly connected to the surface electrode, and the small end of the first conductive lead is smoothly connected to the first solder joint; the second conductive lead is shaped like an isosceles trapezoid, the large end of the second conductive lead is smoothly connected to the driving electrode, and the small end of the second conductive lead is smoothly connected to the second solder joint.

[0021] With the above structure, there are no sharp corners at the transition connection between the first conductive lead and the surface electrode, and at the transition connection between the second conductive lead and the driving electrode, which is easy to process and more firmly bonded. It also reduces the stress concentration at the sharp corners during the polarization treatment of the ultrasonic atomizer, and has a long service life.

[0022] As a preferred embodiment, the outer end of the oscillating section and / or the fixed section is an arc surface.

[0023] With the above structure, when the outer end is an arc surface, processing is more convenient. If the outer ends of the oscillating section and the fixed section are both arc surfaces, it is not necessary to distinguish the oscillating section and the fixed section during the electrode processing, saving production time and cost.

[0024] Based on the same inventive concept, the present invention also provides an atomizer, including an outer shell with a fixing seat provided inside the outer shell. The characteristic of the atomizer is that the outer shell also has the ultrasonic atomizer sheet provided therein, the fixing section of the ultrasonic atomizer sheet is fixed by the fixing seat, and the oscillating section of the ultrasonic atomizer sheet is suspended.

[0025] Compared with the prior art, the invention has good atomization effect, large smoke volume, small size and long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a left view of the first embodiment of the ultrasonic atomization sheet of the present invention.

[0027] Figure 2 This is a right view of the first embodiment of the ultrasonic atomization sheet of the present invention.

[0028] Figure 3 This is a front view of the first embodiment of the ultrasonic atomization sheet of the present invention.

[0029] Figure 4 This is a diagram showing the oscillation state of the ultrasonic atomizer sheet of the present invention.

[0030] Figure 5 This is a front view of the second embodiment of the ultrasonic atomizer sheet of the present invention.

[0031] Figure 6 This is a rear view of the second embodiment of the ultrasonic atomizer sheet of the present invention.

[0032] Figure 7 This is a left view of the third embodiment of the ultrasonic atomization sheet of the present invention.

[0033] Figure 8 This is a right view of the third embodiment of the ultrasonic atomizer sheet of the present invention.

[0034] Fig. 9 This is a front view of Example 3 of the ultrasonic atomizer sheet of the present invention.

[0035] Fig.10 This is a left view of the fourth embodiment of the ultrasonic atomizer sheet of the present invention.

[0036] Fig.11 This is a right view of the fourth embodiment of the ultrasonic atomizer sheet of the present invention.

[0037] Fig.12 This is a front view of the fourth embodiment of the ultrasonic atomizer sheet of the present invention.

[0038] Fig.13 This is a left view of the fifth embodiment of the ultrasonic atomizer sheet of the present invention.

[0039] Fig.14 This is a right view of the fifth embodiment of the ultrasonic atomizer sheet of the present invention.

[0040] Fig.15 This is a front view of Example 5 of the ultrasonic atomizer sheet of the present invention.

[0041] Among them, 1 is an ultrasonic atomizer, 101 is a piezoelectric substrate, 102 is a surface electrode, 103 is a driving electrode, 104 is a first welding point, 105 is a second welding point, 106 is an oscillation section, 107 is a fixed section, 108 is a first conductive lead, 109 is a second conductive lead, I is a covered area, and II is an exposed area. DETAILED DESCRIPTION

[0042] Ultrasonic atomization sheet embodiment 1

[0043] like Figures 1 to 4As shown, the ultrasonic atomizer sheet includes a sheet-shaped piezoelectric substrate 101, a surface electrode 102 fixedly arranged on one side surface of the piezoelectric substrate 101, and a driving electrode 103 fixedly arranged on the other side surface of the piezoelectric substrate 101. Its structural characteristics are that the piezoelectric substrate 101 is in a long strip shape, and the piezoelectric substrate 101 is composed of an interconnected oscillating section 106 and a fixed section 107. The surface electrode 102 is fixedly arranged on one side surface of the oscillating section 106, and the driving electrode 103 is fixedly arranged on the other side surface of the oscillating section 106. The surface electrode 102 and the driving electrode 103 are both circular.

[0044] The piezoelectric substrate 101 is made of piezoelectric ceramics.

[0045] Since the piezoelectric matrix 101 is in the shape of a long strip, a long strip ultrasonic atomizer sheet 1 is formed. The ultrasonic atomizer sheet 1 is composed of two sections, a fixed section 107 and an oscillating section 106. During assembly, the fixed seat clamps and supports or fixes the fixed section 107 of the ultrasonic atomizer sheet 1. The oscillating section 106 of the ultrasonic atomizer sheet 1 is suspended in the cavity, but the oscillating section 106 is in contact with the smoke oil or other liquids. Therefore, during the oscillation process, since the fixed section 107 of the ultrasonic atomizer sheet 1 is clamped and fixed by the fixed seat, the fixed section 107 is restricted, so the amplitude is relatively weak. The oscillating section 106 of the ultrasonic atomizer sheet 1 is suspended in the air, without anything to restrain it, so the amplitude at this time is relatively large, closer to the inherent amplitude, and finally resonance is generated, the amplitude is the largest, and the ultrasonic atomizer sheet 1 has a large strength to overcome the surface tension of the liquid, so the atomization effect is good and the amount of smoke is large. Since the ultrasonic atomizer sheet 1 of the present invention has a good atomization effect, a smaller-sized ultrasonic atomizer sheet 1 can achieve a larger smoke volume effect. The size of the ultrasonic atomizer sheet 1 is relatively small, which is conducive to the miniaturization of products using the ultrasonic atomizer sheet 1.

[0046] When the surface electrode 102 and the driving electrode 103 are energized, the oscillating section 106 oscillates at a high frequency driven by the potential change, and the oscillation amplitude of the oscillating section 106 is the largest, so that the tobacco oil or other smoke-generating substances in contact with the surface of the oscillating section 106 are atomized to generate smoke.

[0047] The outer end of the oscillating section 106 is an arc surface. One side surface of the oscillating section 106 is fully covered by the surface electrode 102, and the central area of ​​the other side surface of the oscillating section 106 is covered by the driving electrode 103. The ratio of the surface electrode 102 area to the driving electrode 103 area is 3:2 to 4:1, and the preferred solution is 2:1.

[0048] The piezoelectric substrate 101 is also provided with a first welding point 104 connected to the surface electrode 102 and a second welding point 105 connected to the driving electrode 103 .

[0049] By connecting the two electrodes of the power supply to the first welding point 104 and the second welding point 105 respectively, the electrical connection between the two electrodes of the power supply and the surface electrode 102 and the driving electrode 103 can be achieved.

[0050] The first welding point 104 and the second welding point 105 are both arranged on the outer surface of the fixed section 107, the piezoelectric substrate 101 is fixedly provided with a first conductive lead 108 connecting the first welding point 104 and the surface electrode 102, and the piezoelectric substrate 101 is fixedly provided with a second conductive lead 109 connecting the second welding point 105 and the driving electrode 103.

[0051] The first welding point 104 and the second welding point 105 are arranged in the fixed section 107 with a smaller amplitude to prevent the first welding point 104 and the second welding point 105 from being pulled off when the ultrasonic atomization sheet 1 oscillates, thereby ensuring the reliability of electrical conduction and the working reliability of the ultrasonic atomization sheet 1. At the same time, the first welding point 104 and the second welding point 105 are arranged in the fixed section 107, which can also avoid the generation of high temperature during the welding process and affect the performance of the oscillation section 106.

[0052] Ultrasonic atomization sheet embodiment 2

[0053] like Figure 5 to Figure 6 As shown, the second embodiment repeats the first embodiment, except that the second embodiment does not include the first conductive lead 108 and the second conductive lead 109, the first solder joint 104 is arranged at the outer edge of the surface electrode 102, and the second solder joint 105 is arranged at the outer edge of the driving electrode 103. The first solder joint 104 is directly arranged next to the surface electrode 102, and the second solder joint 105 is directly arranged next to the driving electrode 103, avoiding the use of conductive leads to connect the solder joints and electrodes, thereby reducing costs.

[0054] Ultrasonic atomization sheet embodiment 3

[0055] like Figures 7 to 9 As shown, the third embodiment repeats the first embodiment, except that the first conductive lead 108 is in the shape of an isosceles trapezoid, the large end of the first conductive lead 108 is smoothly connected to the surface electrode 102, and the small end of the first conductive lead 108 is smoothly connected to the first solder joint 104; the second conductive lead 109 is in the shape of an isosceles trapezoid, the large end of the second conductive lead 109 is smoothly connected to the drive electrode 103, and the small end of the second conductive lead 109 is smoothly connected to the second solder joint 105. There are no sharp corners at the transition connection between the first conductive lead 108 and the surface electrode 102 and the transition connection between the second conductive lead 109 and the drive electrode 103, which is convenient for processing and more stable for bonding.

[0056] In addition, in the third embodiment, one side surface of the oscillation section 106 is composed of a covered area I with a surface electrode 102 fixed thereon and an exposed area II without a surface electrode 102 fixed thereon. The covered area I and the exposed area II are arranged along the length direction of the oscillation section 106, and the covered area I is closer to the fixed section 107 than the exposed area II; the ratio of the area of ​​the surface electrode 102 to the area of ​​the driving electrode 103 is 3:2 to 4:1, and the preferred solution is 2:1. The surface electrode 102 is at a distance from the end of the oscillation section 106, so that the heat generated by the ultrasonic atomization sheet 1 during the atomization process can be diffused to both ends, so that the heat dissipation speed is fast, the oscillation effect is better, and the oscillation section 106 is prevented from being broken due to high temperature during operation, thereby extending the service life of the ultrasonic atomization sheet 1.

[0057] Ultrasonic atomization sheet embodiment 4

[0058] like Figures 10 to 12 As shown, the fourth embodiment repeats the second embodiment, except that one side surface of the oscillating section 106 is composed of a covering area I with a surface electrode 102 fixed thereon and an exposed area II without a surface electrode 102 fixed thereon, the covering area I and the exposed area II are arranged along the length direction of the oscillating section 106, the covering area I is closer to the fixed section 107 than the exposed area II; the ratio of the area of ​​the surface electrode 102 to the area of ​​the driving electrode 103 is 2:1. The surface electrode 102 is at a distance from the end of the oscillating section 106, so that the heat generated by the ultrasonic atomizing sheet 1 during the atomization process can be diffused to both ends, so that the heat dissipation speed is fast, the oscillation effect is better, and the oscillating section 106 is prevented from being broken due to high temperature during operation, thereby extending the service life of the ultrasonic atomizing sheet 1.

[0059] Ultrasonic atomization sheet embodiment 5

[0060] like Figures 13 to 15 As shown, the fifth embodiment repeats the first embodiment, except that the outer ends of the oscillating section 106 and the fixed section 107 are both arc surfaces, and there is no need to specially distinguish between the oscillating section 106 and the fixed section 107 during electrode processing, thus saving manufacturing time and cost.

[0061] Atomizer Embodiment

[0062] The present invention also provides an atomizer, comprising a housing, a fixing seat provided in the housing, and an ultrasonic atomizer sheet 1 described in any embodiment provided in the housing, wherein a fixing section 107 of the ultrasonic atomizer sheet 1 is fixed by the fixing seat, and an oscillating section 106 of the ultrasonic atomizer sheet 1 is suspended. The fixing seat is made of silicone.

[0063] The structure of the atomizer is not shown in the drawings, but this does not affect the understanding and implementation of the present invention by those skilled in the art.

[0064] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the present invention and the claims, which all belong to the protection scope of the present invention.

Claims

1. An atomizer, comprising a housing, a fixing seat being arranged in the housing, characterized in that: An ultrasonic atomizing sheet (1) is also provided in the housing, the fixed section (107) of the ultrasonic atomizing sheet (1) is fixed by a fixed seat, and the oscillating section (106) of the ultrasonic atomizing sheet (1) is suspended in the air; The ultrasonic atomizer sheet comprises a sheet-shaped piezoelectric substrate (101), a surface electrode (102) fixedly arranged on the surface of one side of the piezoelectric substrate (101), and a driving electrode (103) fixedly arranged on the surface of the other side of the piezoelectric substrate (101); the piezoelectric substrate (101) is in the shape of a long strip, and the piezoelectric substrate (101) is composed of an interconnected oscillating section (106) and a fixed section (107); the surface electrode (102) is fixedly arranged on the surface of one side of the oscillating section (106), and the driving electrode (103) is fixedly arranged on the surface of the other side of the oscillating section (106); the surface electrode (102) and the driving electrode (103) are both circular; The piezoelectric substrate (101) is also provided with a first welding point (104) connected to the surface electrode (102) and a second welding point (105) connected to the driving electrode (103); The first welding point (104) and the second welding point (105) are both arranged on the outer surface of the fixed section (107); a first conductive lead (108) connecting the first welding point (104) and the surface electrode (102) is fixedly arranged on the piezoelectric substrate (101); and a second conductive lead (109) connecting the second welding point (105) and the driving electrode (103) is fixedly arranged on the piezoelectric substrate (101).

2. The atomizer according to claim 1, characterized in that One side surface of the oscillating section (106) is fully covered by the surface electrode (102), and the central area of ​​the other side surface of the oscillating section (106) is covered by the driving electrode (103), and the ratio of the area of ​​the surface electrode (102) to the area of ​​the driving electrode (103) is a:b, wherein a is greater than b.

3. The atomizer according to claim 1, characterized in that One side surface of the oscillating section (106) is composed of a covered area (I) on which a surface electrode (102) is fixedly provided and an exposed area (II) on which no surface electrode (102) is fixedly provided. The covered area (I) and the exposed area (II) are arranged along the length direction of the oscillating section (106), and the covered area (I) is closer to the fixed section (107) than the exposed area (II). The ratio of the area of ​​the surface electrode (102) to the area of ​​the driving electrode (103) is a:b, wherein a is greater than b.

4. The atomizer according to claim 2 or 3, characterized in that: a:b=(3~4):(1~2).

5. The atomizer according to claim 1, characterized in that The first conductive lead (108) is in the shape of an isosceles trapezoid, the large end of the first conductive lead (108) is smoothly connected to the surface electrode (102), and the small end of the first conductive lead (108) is smoothly connected to the first solder joint (104); the second conductive lead (109) is in the shape of an isosceles trapezoid, the large end of the second conductive lead (109) is smoothly connected to the drive electrode (103), and the small end of the second conductive lead (109) is smoothly connected to the second solder joint (105).

6. The atomizer according to any one of claims 1 to 3, characterized in that: The outer end of the oscillating section (106) and / or the fixed section (107) is an arc surface.

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