阅读说明：本技术 一种聚能型压电陶瓷雾化片 (Energy-gathering piezoelectric ceramic atomizing sheet ) 是由 陈普查 施小罗 范文筹 刘志潜 何龙 刘宗玉 于 2019-11-25 设计创作，主要内容包括：本发明涉及一种聚能型压电陶瓷雾化片,包括压电陶瓷片、反面聚能区、反面电极连接区、反面电极区、反面焊接区、反面中心焊接区、第一正面电极连接区、第二正面电极连接区、正面电极区；其中正面电极区与反面电极区居压电陶瓷片的正反面中心位置；反面电极区通过反面电极连接区与反面聚能区相连并在反面中心焊接区的位置焊接导线的负极；正面电极区通过第一正面电极连接区或者第二正面电极连接区与反面焊接区的边缘通过导电银浆在压电陶瓷片的侧面连接使反面焊接区与正面电极区形成导通,并在反面焊接区的位置焊接导线的正极。本发明能够有效提高产品的雾化量和电性能要求,减少生产过程造成的各种波形不良,实现产品的压电聚能效果。(The invention relates to an energy-gathering type piezoelectric ceramic atomizing sheet which comprises a piezoelectric ceramic sheet, a reverse energy-gathering area, a reverse electrode connecting area, a reverse electrode area, a reverse welding area, a reverse central welding area, a first front electrode connecting area, a second front electrode connecting area and a front electrode area, wherein the reverse energy-gathering area is arranged on the front surface of the piezoelectric ceramic sheet; wherein the front electrode area and the back electrode area are arranged at the center positions of the front and the back of the piezoelectric ceramic piece; the back electrode area is connected with the back energy-gathering area through a back electrode connecting area and the negative electrode of a lead is welded at the position of the back center welding area; the front electrode area is connected with the edge of the back welding area through the first front electrode connecting area or the second front electrode connecting area through conductive silver paste on the side surface of the piezoelectric ceramic piece to enable the back welding area to be communicated with the front electrode area, and the positive electrode of a lead is welded at the position of the back welding area. The invention can effectively improve the requirements of the atomization amount and the electrical property of the product, reduce various waveform defects caused in the production process and realize the piezoelectric energy-gathering effect of the product.)

1. The energy-gathering type piezoelectric ceramic atomizing sheet is characterized by comprising a piezoelectric ceramic sheet (1), a reverse energy-gathering area (2) positioned on the reverse side of the piezoelectric ceramic sheet (1), a reverse electrode connecting area (3), a reverse electrode area (4), a reverse welding area (5) and a reverse central welding area (6), a first front electrode connecting area (7) positioned on the front side of the piezoelectric ceramic sheet (1), a second front electrode connecting area (10) and a front electrode area (9); the front electrode area (9) and the back electrode area (4) are respectively positioned at the center positions of the front side and the back side of the piezoelectric ceramic piece (1); the back electrode area (4) is connected with the back energy-gathering area (2) through a back electrode connecting area (3) and the positive electrode of a lead is welded at the position of a back central welding area (6); the front electrode area (9) is connected with the edge of the back welding area (5) through any position of the first front electrode connection area (7) or the second front electrode connection area (10) on the side surface of the piezoelectric ceramic sheet (1) through conductive silver paste, so that the back welding area (5) is conducted with the front electrode area (9), and the negative electrode of a lead is welded at the position of the back welding area (5).

2. The energy-gathering piezoelectric ceramic atomizing plate according to claim 1, characterized in that the diameter of the piezoelectric ceramic plate (1) is 20-30 mm, and the thickness is 0.8-2.0 mm.

3. The energy concentrating piezoelectric ceramic atomizing plate according to claim 1, wherein the diameter of the back electrode area (4) is 8.0-13.0 mm, and the diameter of the front electrode area (9) is 10.0-25.0 mm.

4. The energy-gathering piezoelectric ceramic atomizing plate as claimed in claim 1, wherein the reverse energy-gathering region (2) is in a ring shape and is located outside the reverse electrode region (4), and the ring width of the reverse energy-gathering region is 0.1-0.35 mm.

5. The energy-concentrating piezoelectric ceramic atomizing plate according to claim 4, wherein the gap width between the back electrode area (4) and the back energy-concentrating area (2) is 0.1-0.4 mm.

6. The energy-gathering piezoelectric ceramic atomizing sheet as claimed in claim 1, wherein the back electrode connection region (3) connects the back electrode region (4) with the back annular energy-gathering region (2), and the width d of the back electrode connection region (3) is 0.2-0.5 mm.

7. The energy-gathering piezoelectric ceramic atomizing plate as claimed in claim 1, wherein the central points of the back surface center welding area (6) and the back surface electrode connecting area (3) are on the same horizontal line with the circumferential central point of the piezoelectric ceramic plate (1).

8. The energy concentrating piezoelectric ceramic atomizing sheet according to claim 1, wherein the center points of the first front electrode connecting region (7) and the second front electrode connecting region (10) are on the same horizontal line.

9. The energy concentrating piezoelectric ceramic atomizing sheet according to claim 1, wherein the front electrode region (9) is further printed with a protective layer (8) which completely covers the front electrode region (9) to protect the front electrode region (9) from oxidation and corrosion during long-term operation and prevent silver layer from falling off during long-term high-frequency oscillation.

10. The energy concentrating piezoelectric ceramic atomizing plate according to claim 1, wherein the diameter of the protective layer (8) is 12.0-28.0 mm.

Technical Field

The invention relates to the technical field of electronic components, in particular to an energy-gathering piezoelectric ceramic atomizing sheet.

Background

The piezoelectric ceramic atomizing sheet is oscillated at a certain stable voltage to generate frequency, the oscillation frequency is between 1.53 and 3.0MHZ according to different thicknesses of products, the range of the oscillation frequency exceeds the hearing range of human ears, and the oscillation frequency has any damage to human bodies and animals. When the piezoelectric ceramic atomizing sheet works, liquid water molecules are thrown and scattered, so that water generates fine fog beads, and a fogging effect is provided for vision of people. In the prior art, the piezoelectric ceramic atomizing sheet is mainly applied to the fields of indoor humidification, indoor aromatherapy, dust removal and the like, and the product has the advantages of small atomizing particles and large atomizing amount. However, in the actual use process, the phenomena of inconsistent atomization amounts at high and low water level sections, small atomization amount, unstable atomization process, poor water cut-off effect and the like often occur.

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

Disclosure of Invention

The invention aims to provide an energy-accumulating piezoelectric ceramic atomizing sheet, which adopts a local energy-accumulating effect on the piezoelectric ceramic atomizing sheet through a unique structural design, improves the actual atomizing amount of the piezoelectric ceramic atomizing sheet, reduces the phenomena of inconsistent atomizing amount and poor water-break sensitivity caused by high and low water level difference, and can improve the product appearance and the qualification rate of electrical performance. The technical scheme is as follows:

an energy-gathering type piezoelectric ceramic atomizing sheet comprises a piezoelectric ceramic sheet, a reverse energy-gathering area, a reverse electrode connecting area, a reverse electrode area, a reverse welding area and a reverse center welding area which are positioned on the reverse side of the piezoelectric ceramic sheet, and a first front electrode connecting area, a second front electrode connecting area and a front electrode area which are positioned on the front side of the piezoelectric ceramic sheet; the front electrode area and the back electrode area are respectively positioned at the front center position and the back center position of the piezoelectric ceramic piece; the reverse electrode area is connected with the reverse annular energy-gathering area through the reverse electrode connecting area and is welded with the positive electrode of a lead at the position of the reverse central welding area; the front electrode area is connected with the edge of the back welding area through conductive silver paste on the side surface of the piezoelectric ceramic piece through any position of the first front electrode connecting area or the second front electrode connecting area, so that the back welding area is conducted with the front electrode area, and the negative electrode of a lead is welded at the position of the back welding area.

Preferably, the diameter of the piezoelectric ceramic piece is 20-30 mm, and the thickness of the piezoelectric ceramic piece is 0.8-2.0 mm.

Preferably, the diameter of the electrode area on the back side is 8.0-13.0 mm, and the diameter of the electrode area on the front side is 10.0-25.0 mm.

Preferably, the back side energy gathering area is located on the outer side of the back side electrode area in a circular ring shape, and the annular width of the back side energy gathering area is 0.1-0.35 mm.

Preferably, the gap width between the back electrode area and the back energy gathering area is 0.1-0.4 mm.

Preferably, the back electrode connecting area connects the back electrode area with the back annular energy collecting area, and the width d of the back electrode connecting area is 0.2-0.5 mm.

Preferably, the center points of the back surface center welding area and the back surface electrode connecting area and the circumference center point of the piezoelectric ceramic piece are on the same horizontal line.

Preferably, center points of the first front electrode connection region and the second front electrode connection region are on the same horizontal line.

Preferably, the front electrode region is further printed with a protective layer which completely covers the front electrode region and protects the front electrode region from oxidation and corrosion during long-term work and prevents the silver layer from falling off easily during long-term high-frequency oscillation.

Preferably, the diameter of the protective layer is 12.0-28.0 mm.

The invention has the following advantages:

1. by the new design structure, the product has higher appearance qualification rate and better electrical property;

2. the energy loss is reduced through the reverse annular energy-gathering area, so that the atomization amount is more concentrated;

3. and the water cut-off sensitivity of the whole machine is improved by reasonably matching the circular electrodes.

Drawings

FIG. 1 is a perspective view of a shaped piezoelectric ceramic atomizing sheet of the present invention;

FIG. 2 is a bottom view of the energy concentrating piezoelectric ceramic atomizing plate of the present invention;

FIG. 3 is a top view of a shaped piezoelectric ceramic atomizing plate according to the present invention.

Detailed Description

In order that the objects, aspects and advantages of the invention will become more apparent, the embodiments will be described with reference to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration embodiments in which the invention may be practiced. It is to be understood that other embodiments may be utilized and structural and functional modifications may be made to the embodiments described herein without departing from the scope and spirit of the present invention.

1-3, the energy-gathering piezoelectric ceramic atomizing sheet comprises a piezoelectric ceramic sheet 1, wherein the front surface of the piezoelectric ceramic sheet 1 is an atomizing surface and is provided with a first front surface electrode connecting area 7, a front surface electrode area 9 and a second front surface electrode connecting area 10; the first front electrode connection region 7 and the second front electrode connection region 10 with the same shape are respectively located at two ends of the front electrode region 9 and are connected with the front electrode region 9, and the center points of the first front electrode connection region 7, the first front electrode connection region 10 and the front electrode region 9 are located on the same horizontal line, so as to achieve the balance and coordination effect. Any one area of the first front electrode connecting area 7 or the second front electrode connecting area 10 can be connected with the side surface of the piezoelectric ceramic piece 1 corresponding to the back welding area 5 by conductive silver paste, and the negative electrode of the lead is welded at the position of the back welding area 5. A protective layer 8 is printed on the front electrode area 9 to completely cover the front electrode area 9, and the protective layer 8 completely covers the front electrode area 9 to protect the front electrode area 9 from oxidation and corrosion during long-term operation, so that the silver layer is not easy to fall off during long-term high-frequency oscillation of the front electrode area 9.

Specifically, the diameter of the front electrode area 9 is preferably 10.0 to 25.0mm, and the diameter of the protective layer 8 is 12.0 to 28.0mm, and the protective layer may be coated with a corrosion-resistant material such as glass glaze as needed, which is not particularly limited herein.

The reverse side of the piezoelectric ceramic plate 1 is a driving electrode surface, and a reverse side energy gathering area 2, a reverse side electrode connecting area 3, a reverse side electrode area 4, a reverse side welding area 5 and a reverse side center welding area 6 which are positioned on the reverse side of the piezoelectric ceramic plate 1 are arranged; the reverse side electrode area 4 and the reverse side energy-gathering area 2 are positioned in the middle of the piezoelectric ceramic plate 1 and are concentric with the circumference, the reverse side energy-gathering area 2 is positioned at the outer side of the reverse side electrode area 4, and a gap with a certain size is reserved between the reverse side energy-gathering area and the reverse side electrode area; the back electrode area 4 is connected with the back energy-gathering area 2 through the back electrode connecting area 3 to a back central welding area 6, and the positive electrode of a lead can be welded at the position of the back central welding area 6; in addition, the central point of the back center welding area 6 and the back electrode connecting area 3 is required to be on the same horizontal line with the circumference center of the piezoelectric ceramic plate 1, so as to achieve the balance and coordination effect.

Specifically, the frequency of the energy-gathering piezoelectric ceramic piece is 1.53-3.0 MHZ, the diameter of the piezoelectric ceramic piece 1 is preferably 20-30 mm, and the thickness of the piezoelectric ceramic piece is 0.8-2.0 mm. The diameter of the back electrode area 3 is 8.0-13.0 mm. The reverse side energy-gathering area 2 is in a circular ring shape and is positioned at the outer side of the reverse side electrode area 4, and the annular width of the reverse side energy-gathering area is 0.1-0.35 mm. The gap width between the back electrode area 4 and the back energy-gathering area 2 is 0.1-0.4 mm, and the width d of the back electrode connecting area 3 is 0.2-0.5 mm.

The back side energy accumulation area 2 collects the energy diffused to the periphery mainly by matching with the front side electrode area 9, and the energy is reused, so that the energy loss is reduced, and the atomization amount is more concentrated to achieve the energy accumulation effect.

The invention has been described above by way of example, and in this embodiment, the energy-concentrating piezoelectric ceramic atomizing plate is circular as a whole, but may be designed into a square shape or other shapes according to actual needs, and is limited herein. The present invention is not limited to the above-described embodiments, and any modification or variation based on the present invention is within the scope of the claims.