CN107493034B - Hemispherical piezoelectric ceramic actuator - Google Patents
Hemispherical piezoelectric ceramic actuator Download PDFInfo
- Publication number
- CN107493034B CN107493034B CN201710829044.9A CN201710829044A CN107493034B CN 107493034 B CN107493034 B CN 107493034B CN 201710829044 A CN201710829044 A CN 201710829044A CN 107493034 B CN107493034 B CN 107493034B
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- China
- Prior art keywords
- ceramic vibrator
- contact
- ceramic
- contacts
- vibrator
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- 239000000919 ceramic Substances 0.000 title claims abstract description 58
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/001—Driving devices, e.g. vibrators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/005—Mechanical details, e.g. housings
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a hemispherical piezoelectric ceramic actuator, which comprises a protective shell, wherein the protective shell comprises a first ceramic vibrator, a plurality of first contacts are uniformly arranged on the outer edge of the first ceramic vibrator, one end of each first contact is connected with the first ceramic vibrator, the other end of each first contact is connected with a first vibrating plate, a second ceramic vibrator is positioned above the first ceramic vibrator, a plurality of second contacts are uniformly arranged on the outer edge of the second ceramic vibrator, one end of each second contact is connected with the second ceramic vibrator, and the other end of each second contact is connected with the second vibrating plate. The whole device is hemispherical, and the vibration energy of the ceramic vibrator fully drives the whole device to vibrate, so that the vibration effect is good, and the device is suitable for the requirement of high vibration force.
Description
Technical Field
The invention relates to the technical field of micro-drive application, in particular to a hemispherical piezoelectric ceramic actuator.
Background
The existing piezoelectric actuating products in the market at present are mostly single ceramic vibrators, the vibration quantity of the piezoelectric actuating products is smaller, the requirements for high vibration force cannot be met, the single ceramic vibrators are not externally protected in the use process and are extremely easy to damage, the sensitivity degree to temperature and humidity is high, the electrical performance of the piezoelectric actuating products can be changed in working states such as high temperature and high humidity, the stability of the products is unstable, the shape of the external protective shell is not favorable for the transmission of the ceramic vibrators, the transmission effect of the whole device is poor, and the vibration quantity is caused. For industries with high requirements on product stability and instruments and equipment under severe environmental conditions, a piezoelectric actuator with high vibration force and stable characteristics is urgently needed to make up market demands.
In order to overcome the above disadvantages, the person skilled in the art has actively studied innovatively in an effort to create a novel hemispherical piezoelectric ceramic actuator.
Disclosure of Invention
The invention mainly solves the technical problem of providing the hemispherical piezoelectric ceramic actuator, and the whole device is hemispherical, so that the vibration energy of the ceramic vibrator can fully drive the whole device to vibrate, the vibration effect is good, and the hemispherical piezoelectric ceramic actuator is suitable for the requirement of high vibration force.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a hemisphere piezoceramics actuator, including the protective housing, the protective housing includes first ceramic vibrator, the outward flange of first ceramic vibrator evenly is equipped with a plurality of first contact, the one end of first contact with first ceramic vibrator is connected, the other end of first contact is connected with first vibrating plate, and the second ceramic vibrator is located the top of first ceramic vibrator, the outward flange of second ceramic vibrator evenly is equipped with a plurality of second contact, the one end of second contact with second ceramic vibrator is connected, the other end of second contact is connected with the second vibrating plate.
Further, a first annular outlet is formed in the lower end of the protection shell, and a second annular outlet is formed in the upper end of the protection shell.
Further, the protection shell is a hollow protection shell, and the first ceramic vibrator, the first vibrating plate, the first contact, the second ceramic vibrator, the second vibrating plate and the second contact are located between the inner wall of the protection shell and the outer wall of the protection shell.
Further, the first ceramic vibrator and the second ceramic vibrator are arranged in parallel.
Further, the number of the first contacts and the second contacts is equal, and the number of the first contacts and the second contacts is not less than 3.
Further, the protection shell is a hollow shell.
The beneficial effects of the invention are as follows:
the invention has the advantages that the multilayer ceramic vibrators are arranged, so that the whole vibration effect of the actuator is good, then the hemispherical protection shell enables the transmission effect of the actuator to be very ideal, the vibration quantity obtained under the condition of the same input power is maximum, the structure is simple, and the popularization is convenient.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
the parts in the drawings are marked as follows:
the protection housing 1, the first annular outlet 11, the second annular outlet 12, the first vibration plate 21, the first ceramic vibrator 22, the first contact 23, the second vibration plate 31, the second ceramic vibrator 32, and the second contact 33.
Detailed Description
The following specific embodiments of the invention are described in order to provide those skilled in the art with an understanding of the present disclosure. The invention may be embodied in other different forms, i.e., modified and changed without departing from the scope of the invention.
Examples: the utility model provides a hemisphere piezoceramics actuator, shown in fig. 1, includes protection casing 1, the protection casing includes first ceramic vibrator 22, the outward flange of first ceramic vibrator evenly is equipped with a plurality of first contact 23, the one end of first contact with first ceramic vibrator is connected, the other end of first contact is connected with first vibrating plate 21, and second ceramic vibrator 32 is located the top of first ceramic vibrator, the outward flange of second ceramic vibrator evenly is equipped with a plurality of second contact 33, the one end of second contact with second ceramic vibrator is connected, the other end of second contact is connected with second vibrating plate 31.
The lower end of the protective shell is provided with a first annular outlet 11, and the upper end of the protective shell is provided with a second annular outlet 12.
The protection casing is hollow protection casing, first ceramic vibrator first vibrating plate, first contact, second ceramic vibrator, second vibrating plate and second contact are located the protection casing the inner wall with the protection casing the outer wall between.
The first ceramic vibrator and the second ceramic vibrator are arranged in parallel.
The number of the first contacts and the number of the second contacts are equal, and the number of the first contacts and the number of the second contacts are not less than 3.
The protection shell is a hollow shell.
The working principle and working process of the invention are as follows: in the use process, the equal power is input first, the first ceramic vibrator and the second ceramic vibrator work at the moment, the first vibration plate and the second vibration plate transmit vibration to the protection shell, and then the whole device vibrates, so that the transmission effect is good.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures made by the description of the invention and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the invention.
Claims (1)
1. A hemispherical piezoelectric ceramic actuator, characterized by: the protective shell comprises a first ceramic vibrator (22), a plurality of first contacts (23) are uniformly arranged on the outer edge of the first ceramic vibrator, one end of each first contact is connected with the first ceramic vibrator, the other end of each first contact is connected with a first vibrating plate (21), a second ceramic vibrator (32) is located above the first ceramic vibrator, a plurality of second contacts (33) are uniformly arranged on the outer edge of the second ceramic vibrator, one end of each second contact is connected with the second ceramic vibrator, and the other end of each second contact is connected with a second vibrating plate (31);
the lower end of the protection shell is provided with a first annular outlet (11), and the upper end of the protection shell is provided with a second annular outlet (12);
the protection shell is a hollow protection shell, and the first ceramic vibrator, the first vibrating plate, the first contact, the second ceramic vibrator, the second vibrating plate and the second contact are positioned between the inner wall of the protection shell and the outer wall of the protection shell;
the first ceramic vibrator and the second ceramic vibrator are arranged in parallel;
the number of the first contacts and the second contacts are equal, and the number of the first contacts and the second contacts is not less than 3;
the protection shell is a hollow shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829044.9A CN107493034B (en) | 2017-09-14 | 2017-09-14 | Hemispherical piezoelectric ceramic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829044.9A CN107493034B (en) | 2017-09-14 | 2017-09-14 | Hemispherical piezoelectric ceramic actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107493034A CN107493034A (en) | 2017-12-19 |
| CN107493034B true CN107493034B (en) | 2024-03-05 |
Family
ID=60652451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710829044.9A Active CN107493034B (en) | 2017-09-14 | 2017-09-14 | Hemispherical piezoelectric ceramic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107493034B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01315278A (en) * | 1988-06-14 | 1989-12-20 | Nec Corp | Ultrasonic motor |
| CN203911802U (en) * | 2014-05-14 | 2014-10-29 | 苏州百丰电子有限公司 | Novel piezoelectric actuator |
| CN205283426U (en) * | 2015-12-26 | 2016-06-01 | 深圳市元菱科技股份有限公司 | Low temperature burns ceramic multilayer piezoelectric actuator altogether |
| CN207150459U (en) * | 2017-09-14 | 2018-03-27 | 苏州迈客荣自动化技术有限公司 | A kind of hemispherical piezoelectric actuator |
-
2017
- 2017-09-14 CN CN201710829044.9A patent/CN107493034B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107493034A (en) | 2017-12-19 |
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