CN111185338A

CN111185338A - Piezoelectric ceramic atomizing sheet

Info

Publication number: CN111185338A
Application number: CN202010110753.3A
Authority: CN
Inventors: 陈普查; 施小罗; 范文筹; 刘志潜; 何龙; 刘宗玉
Original assignee: Hunan Jiayeda Electronics Co ltd
Current assignee: Hunan Jiayeda Electronics Co ltd
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-05-22

Abstract

The invention relates to a piezoelectric ceramic atomization sheet, wherein a front electrode, a protective layer, a liquid guide groove and a central atomization area are designed on the front surface of the piezoelectric ceramic sheet. The back side of the piezoelectric ceramic plate is provided with a back side electrode, the circle centers of the back side electrode, the front side electrode, the protective layer and the central atomization area are on the same vertical line, and the plurality of liquid guide grooves extend to the center of the central atomization area and are intersected with the central atomization area. When the piezoelectric ceramic atomization piece works, external oil flows into the central atomization area through the liquid guide groove, and then the oil adsorbed or flowing into the surface of the central atomization area is atomized into the external space environment. Compared with the prior art, the flow that external oil is transmitted to the piezoelectric ceramic atomization piece can be effectively controlled, too much oil flowing into the central atomization area is prevented, the effect of balanced atomization is not achieved, the phenomenon that the oil is splashed outside a machine by the central atomization area to cause waste is reduced, the oil atomization becomes more exquisite and elegant, and the purpose of rapid aromatherapy is achieved.

Description

Piezoelectric ceramic atomizing sheet

Technical Field

The invention belongs to the technical field of piezoelectric ceramic atomizing sheets, and particularly relates to a piezoelectric ceramic atomizing sheet.

Background

In daily life, the piezoelectric ceramic atomizing sheet is mainly applied to garden atomization, household heating, medical atomization, beauty atomization, industrial dust removal, fragrance fumigation and the like. The piezoelectric ceramic atomizing sheet adopts a certain stable voltage to oscillate out frequency, the oscillating frequency does not have any harm to human bodies and animals, and the high-frequency oscillation of the atomizing sheet atomizes water, essential oil and other solutions into naturally elegant fine particles to be diffused into the air of the surrounding environment, thereby achieving good effects of humidification, fumigation and the like. However, when some solutions with relatively high viscosity except water are atomized, if the surface of the atomizing sheet is covered or adsorbed with the solution with relatively high viscosity, the atomization is not uniform, the atomized particles are large, and the normal atomization or splashing phenomenon cannot be caused.

Therefore, it is a technical problem to be solved by those skilled in the art whether a piezoelectric ceramic atomizing sheet can be designed to overcome the above-mentioned drawbacks.

Disclosure of Invention

The invention aims to provide a piezoelectric ceramic atomizing sheet, which can reduce the phenomena of splashing and nonuniform atomization when atomizing oil through a unique structural design, so that the external oil flows into or is diffused into a central atomizing area through a liquid guide groove, the atomizing sheet atomizes a proper amount of the oil in the central atomizing area into an external space, and the amount of the oil is controlled by controlling the number, the depth, the width and the size of the central atomizing area of the liquid guide groove, thereby achieving the effect of uniform atomization.

The technical scheme adopted by the invention is as follows:

a piezoelectric ceramic atomization plate comprises a piezoelectric ceramic plate, wherein a front electrode is arranged on the front side of the piezoelectric ceramic plate, and a back electrode is arranged on the back side of the piezoelectric ceramic plate; the front electrode outer layer is provided with a protective layer, the protective layer is provided with two or more than two liquid guide grooves, and a central atomization area is arranged at the intersection of the liquid guide grooves.

Preferably, the diameter of the piezoelectric ceramic piece is 8.0-21.0 mm, and the thickness of the piezoelectric ceramic piece is 0.6-1.5 mm.

Preferably, the width of the liquid guide groove is 0.5-5.0 mm, and the depth is 0.1-2.0 mm.

Preferably, the diameter of the central atomization zone is 2.0-15.0 mm.

Preferably, the centers of the front electrode, the protective layer and the back electrode are on the same vertical line.

Preferably, the diameter of the front electrode is larger than the diameter of the protective layer.

Preferably, the diameter of the front electrode is greater than or equal to the diameter of the back electrode.

Compared with the prior art, the invention has the following advantages:

1. the solution with higher viscosity can be normally atomized;

2. the splashing phenomenon during atomization is reduced;

3. the atomizing sheet can achieve good oil guiding effect;

4. the uniform and stable atomization effect of the oil liquid is realized;

5. when the effectual reduction atomizes, the production of large granule fluid makes the atomizing more exquisite.

Drawings

FIG. 1 is a schematic front view of a piezoceramic atomization sheet according to the present invention;

FIG. 2 is a schematic view of the back side of a piezoceramic atomization sheet of the present invention;

fig. 3 is a schematic perspective view of a piezoelectric ceramic atomizing sheet according to the present invention.

Detailed Description

The invention is further illustrated by the following figures and examples:

in one embodiment of the present invention, as shown in fig. 1, 2 and 3, a front electrode 2, a protective layer 3, a liquid guide groove 4 and a central atomization region 7 are arranged on the front surface of a piezoelectric ceramic plate 1, and a back electrode 8 is arranged on the back surface of the piezoelectric ceramic plate 1. The centers of the front electrode 2, the protective layer 3 and the back electrode 8 are on the same vertical line, and the diameter of the front electrode 2 is larger than or equal to that of the back electrode 8. Circular protective layer 3 is located positive electrode 2 on the surface, and the diameter of protective layer 3 is less than positive electrode 2, protective layer 3 is the glass glaze protective layer or adopts the protective layer of other corrosion resistance material coatings, be equipped with at least more than two liquid guide groove 4 on 3 surfaces of circular protective layer, be equipped with central atomization zone 7 in liquid guide groove 4 criss-cross positions, outside fluid passes through in liquid guide groove 4 flows into central atomization zone 7, the atomizing piece atomizes the fluid of diffusion in central atomization zone 7 to the exterior space, form elegant smog.

Specifically, the diameter of the piezoelectric ceramic sheet 1 is 8.0-21.0 mm, and the thickness is 0.6-1.5 mm.

Specifically, the width of the liquid guiding groove 4 is 0.5-5.0 mm, and the depth is 0.1-2.0 mm.

Specifically, the diameter of the central atomization zone 7 is 2.0-15.0 mm.

The test proves that: this piezoceramics atomizing piece can reduce the splash and the inhomogeneous phenomenon of atomizing when atomizing fluid, and outside fluid passes through the cistern and flows in or spreads central atomization district, and the atomizing piece is with proper amount fluid atomization to the exterior space in the central atomization district, controls the fluid volume through quantity, the groove depth of control cistern, groove width and the size of central atomization district, reaches even atomizing effect.

In addition, in the embodiment, the whole piezoelectric ceramic sheet 1 of the present invention is circular, but the shape of the piezoelectric ceramic sheet 1 is not limited to circular, and may be designed to be square, rectangular or other shapes as required, and the front electrode 2, the back electrode 8, the liquid guide groove 4, the protective layer 3 and the central atomization region 7 which are arranged on the piezoelectric ceramic sheet 1 may also be designed as required.

Claims

1. The piezoelectric ceramic atomization plate is characterized by comprising a piezoelectric ceramic plate (1), wherein a front electrode (2) is arranged on the front surface of the piezoelectric ceramic plate (1), and a back electrode (8) is arranged on the back surface of the piezoelectric ceramic plate; the front electrode (2) is provided with a protective layer (3) on the outer layer, two or more than two liquid guide grooves (4) are arranged on the protective layer (3), and a central atomization area (7) is arranged at the crossed position of the liquid guide grooves (4).

2. The piezoceramic atomization sheet according to claim 1, characterized in that the piezoceramic sheet (1) has a diameter of 8.0-21.0 mm and a thickness of 0.6-1.5 mm.

3. The piezoceramic atomization sheet according to claim 1, wherein the liquid guide groove (4) has a width of 0.5-5.0 mm and a depth of 0.1-2.0 mm.

4. Piezoceramic atomization sheet according to claim 1, characterized in that the diameter of the central atomization zone (7) is 2.0-15.0 mm.

5. The piezoceramic atomization sheet according to claim 1, wherein the centers of the front electrode (2), the protective layer (3) and the back electrode (8) are on the same vertical line.

6. Piezoceramic atomization sheet according to claim 1, characterized in that the diameter of the front electrode (2) is larger than the diameter of the protective layer (3).

7. Piezoceramic atomization sheet according to claim 1, characterized in that the diameter of the front electrode (2) is greater than or equal to the diameter of the back electrode (8).