CN203445159U - Piezoelectric motor ceramic chip with annular multilayer monolithic structure - Google Patents
Piezoelectric motor ceramic chip with annular multilayer monolithic structure Download PDFInfo
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- CN203445159U CN203445159U CN201320521621.5U CN201320521621U CN203445159U CN 203445159 U CN203445159 U CN 203445159U CN 201320521621 U CN201320521621 U CN 201320521621U CN 203445159 U CN203445159 U CN 203445159U
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Abstract
The utility model provides a piezoelectric motor ceramic chip with an annular multilayer monolithic structure. The multilayer piezoelectric motor ceramic chip comprises a plurality of piezoelectric ceramic diaphragms and inner electrode slurry which are stacked and co-fired, and the electrode zone of the annular piezoelectric motor ceramic chip is divided into independent electrode subareas by insulation subareas along the circumference. According to application requirements, the polarized directions of adjacent electrode subareas are the same or opposite. When the motor runs, a certain alternate voltage is applied to different electrode subareas of the piezoelectric motor ceramic chip, different electrode subareas generate telescopic bending vibration in different modes, multi-DOF motion in space is achieved, and compared with a single-layer piezoelectric motor ceramic chip and a single electrode subarea, the piezoelectric motor ceramic chip provided in the utility model has greater telescopic bending deformation. The piezoelectric motor ceramic chip is advantageous in that the structure is simple, production in large scale is easy to achieve, costs are low, etc., and the piezoelectric motor ceramic chip can be applied for the fields such as camera automatic focusing, piezoelectric camera shutter and hard disk driving.
Description
Technical field
The new shape of this practicality is specifically related to a kind of annular multilayer monolith structure piezo-electric motor potsherd.
Background technology
Piezo-electric motor is a kind of device of realizing the conversion of electric energy-mechanical energy by inverse piezoelectric effect, utilize the piezoelectric effect of piezoelectric ceramic to realize the principle that electric energy and mechanical energy transform mutually, piezo-electric motor pottery has broad application prospects, in the fields such as camera auto-focus, camera piezoelectricity shutter, dot-matrix printer, hard drive, be used widely, the U.S. has also adopted piezoelectric ceramic motor as drive source on some instrument and equipment, space flight aerospace equipment at present.Compared many advantages with traditional electromagnetic motor: simple in structure, be easy to miniaturization, noise is little, be not subject to electromagnetic interference etc., become the study hotspot of micro-shape driver.
Summary of the invention
The order of the new shape of this practicality is to overcome the shortcoming of conventional motor, and a kind of annular multilayer monolith structure piezo-electric motor potsherd is provided, and this piezo-electric motor potsherd is lightweight, volume is little, simple in structure, noise is little, is not subject to electromagnetic interference etc.
The technical scheme of the new shape of this practicality is: a kind of annular multilayer monolith structure piezo-electric motor potsherd, it is characterized in that: multi-layer piezoelectric motor potsherd is by the superimposed monolithic structure forming that burns altogether of electrode in multilayer piezoelectric ceramic diaphragm and multilayer, between each layer, be provided with interior electrode, the piezoelectric ceramic diaphragm that is positioned at odd-level comprises that the electrode subregion of similar number and the insulation subregion of similar number and electrode subregion and the subregion that insulate replace decile and arrange, by incline Tu Yin district by guiding electrode in multilayer out; The piezoelectric ceramic diaphragm that is positioned at even level only has an electrode subregion, and the interior outside of electrode subregion for insulation subregion, by incline Tu Yin district by guiding electrode in multilayer out; The electrode layer that is positioned at the same electrode subregion of odd-level is electrically connected to mutually, and the electrode layer that is positioned at the same electrode subregion of even level is electrically connected to mutually, and the polarised direction after polarization between each electrode layer is identical or contrary.
Described multilayer is at least two-layer.
Described piezo-electric motor potsherd is annular.
Wherein the number m of electrode subregion is positive integer, and 2≤m≤10.
Independently electrode subregion is integrated as a whole m for the new shape of this practicality, m is positive integer, and 2≤m≤10, adopted between sandwich construction and each ceramic layer and had interior electrode, the electrode layer at same electrode subregion that is positioned at odd-level is electrically connected to mutually, and the electrode layer at same electrode subregion that is positioned at even level is electrically connected to mutually, based on this structure, by different polarization modes, polarised direction, adjacent electrode area polarizing direction is identical or contrary.During the work of piezo-electric motor potsherd, when when potsherd Different electrodes partition sections passes into certain alternating voltage, Different electrodes subregion can produce the flexible flexural vibrations of different modes, multifreedom motion requirement on just can implementation space, individual layer piezo-electric motor potsherd and single electrode subregion than same thickness, the piezo-electric motor that the new shape of this practicality provides has larger flexible Curved variable, and can increase or reduce its deformation quantity by increasing or reduce the method for the number of plies of ceramic diaphragm or the thickness of diaphragm.
Accompanying drawing explanation
Fig. 1 is the interior electrode printed pattern one of four electrode subregion annular multi-layer piezoelectric motor potsherds.
Fig. 2 is the interior electrode printed pattern two of four electrode subregion annular multi-layer piezoelectric motor potsherds.
Fig. 3 is the contour structures schematic diagram of four electrode subregion annular multilayer monolith structure piezo-electric motor potsherds.
Fig. 4 is the interior electrode printed pattern of three electrode subregion annular multi-layer piezoelectric motor potsherds.
Fig. 5 is the inner electrode schematic diagram of multi-layer piezoelectric motor potsherd.
Embodiment
As shown in Figure 1, in four electrode subregions, electrode printed pattern consists of four electrode subregions and four insulation subregions, and interior electrode printed pattern is divided into four independently electrode subregions 1～4 along circumference by four insulation subregion a～d.
As shown in Figure 2, interior electrode printed pattern only has an electrode subregion 5 along circumference, and the interior outside of electrode district 5 is insulation subregion e, f.
As shown in Figure 3, annular multilayer monolith structure piezo-electric motor potsherd consists of four electrode subregions 1～4, four insulation subregion a～d, four incline Tu Yin districts 6 and an incline Tu Yin district 7.Multi-layer piezoelectric motor potsherd is to burn and form altogether by electrode in multilayer piezoelectric ceramic diaphragm and multilayer is superimposed, the piezoelectric ceramic diaphragm printing that is positioned at odd-level electrode pattern as shown in Figure 1, the piezoelectric ceramic diaphragm printing that is positioned at even level electrode pattern as shown in Figure 2.The electrode layer that is positioned at the same electrode subregion of odd-level interconnects, and by 6 guidings of four incline Tu Yin districts out; The electrode layer that is positioned at the same electrode subregion of even level interconnects, and by 7 guidings of incline Tu Yin district out.During polarization, the polarised direction of adjacent electrode subregion is identical or contrary, and four electrode subregions 1～4 of being guided by four incline Tu Yin districts 6 connect positive voltage or the negative voltage of power supply; The electrode subregion 5 that incline Tu Yin district 7 guides connects power ground.In piezo-electric motor potsherd when work,, a plurality of electrode subregions are independent and be independent of each other, and Different electrodes subregion can produce the flexible flexural vibrations of different modes, the multifreedom motion requirement on just can implementation space.
As shown in Figure 4, in three electrode subregions, electrode printed pattern consists of three electrode subregions and three insulation subregions, and interior electrode printed pattern is divided into three independently electrode subregions 1～3 along circumference by three insulation subregion a～c.The odd-level piezoelectric ceramic diaphragm printing of three electrode subregion multi-layer piezoelectric motor potsherds interior electrode pattern as shown in Figure 4, even level piezoelectric ceramic diaphragm printing interior electrode pattern as shown in Figure 2.The electrode layer that is positioned at the same electrode subregion of odd-level interconnects, and guides out by three incline Tu Yin districts; The electrode layer that is positioned at the same electrode subregion of even level interconnects, and guides out by incline Tu Yin district.During polarization, the polarised direction of adjacent electrode subregion is identical or contrary.In piezo-electric motor potsherd when work,, a plurality of electrode subregions are independent and be independent of each other, and Different electrodes subregion can produce the flexible flexural vibrations of different modes, the multifreedom motion requirement on just can implementation space.
As shown in Figure 5, multi-layer piezoelectric motor potsherd is by the superimposed monolithic structure forming that burns altogether of electrode in multilayer piezoelectric ceramic diaphragm and multilayer, and described multilayer can be two-layer or more multi-layered, is provided with interior electrode 8 between each layer, the ceramic layer of this potsherd is combined with inner electrode layer well, is difficult for division.By incline Tu Yin district 6 and 7 by 8 guidings of electrode in multilayer out, the electrode layer that is positioned at the same electrode subregion of odd-level is electrically connected to mutually, the electrode layer that is positioned at the same electrode subregion of even level is electrically connected to mutually, and the polarised direction 9 after polarization between each electrode layer is identical or contrary.When loading suitable alternation driving voltage, piezo-electric motor potsherd can produce flexible flexural vibrations, than the individual layer piezo-electric motor of same thickness, has larger Curved variable.
Claims (4)
1. an annular multilayer monolith structure piezo-electric motor potsherd, it is characterized in that: multi-layer piezoelectric motor potsherd is by the superimposed monolithic structure forming that burns altogether of electrode in multilayer piezoelectric ceramic diaphragm and multilayer, between each layer, be provided with interior electrode (8), the piezoelectric ceramic diaphragm that is positioned at odd-level comprises that the electrode subregion of similar number and the insulation subregion of similar number and electrode subregion and the subregion that insulate replace decile and arrange, by incline Tu Yin district (6) by electrode in multilayer (8) guiding out; The piezoelectric ceramic diaphragm that is positioned at even level only has an electrode subregion, and the interior outside of electrode subregion is for insulation subregion, by incline Tu Yin district (7), electrode in multilayer (8) is guided out; The electrode layer that is positioned at the same electrode subregion of odd-level is electrically connected to mutually, and the electrode layer that is positioned at the same electrode subregion of even level is electrically connected to mutually, and the polarised direction (9) after polarization between each electrode layer is identical or contrary.
2. a kind of annular multilayer monolith structure piezo-electric motor potsherd as claimed in claim 1, is characterized in that: described multilayer is at least two-layer.
3. a kind of annular multilayer monolith structure piezo-electric motor potsherd as claimed in claim 1, is characterized in that: described piezo-electric motor potsherd is annular.
4. a kind of annular multilayer monolith structure piezo-electric motor potsherd as claimed in claim 1, is characterized in that: the number m of electrode subregion is positive integer, and 2≤m≤10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320521621.5U CN203445159U (en) | 2013-08-23 | 2013-08-23 | Piezoelectric motor ceramic chip with annular multilayer monolithic structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320521621.5U CN203445159U (en) | 2013-08-23 | 2013-08-23 | Piezoelectric motor ceramic chip with annular multilayer monolithic structure |
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| CN203445159U true CN203445159U (en) | 2014-02-19 |
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| CN201320521621.5U Expired - Lifetime CN203445159U (en) | 2013-08-23 | 2013-08-23 | Piezoelectric motor ceramic chip with annular multilayer monolithic structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134944A (en) * | 2017-05-09 | 2017-09-05 | 中国工程物理研究院材料研究所 | A kind of novel piezo-electric ceramic driver and the ultrasound electric machine being made up of it |
| CN107306097A (en) * | 2016-04-22 | 2017-10-31 | 北京派和智能装备技术有限公司 | Using the micro machine of multi-layer annular piezoelectric ceramics |
-
2013
- 2013-08-23 CN CN201320521621.5U patent/CN203445159U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306097A (en) * | 2016-04-22 | 2017-10-31 | 北京派和智能装备技术有限公司 | Using the micro machine of multi-layer annular piezoelectric ceramics |
| CN107306097B (en) * | 2016-04-22 | 2019-09-13 | 北京派和智能装备技术有限公司 | Using the micro machine of multi-layer annular piezoelectric ceramics |
| CN107134944A (en) * | 2017-05-09 | 2017-09-05 | 中国工程物理研究院材料研究所 | A kind of novel piezo-electric ceramic driver and the ultrasound electric machine being made up of it |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181212 Address after: 518116 No. 1 Workshop, Yongxin Industrial Plant, 89 Hengping Road, Yuanshan Street, Longgang District, Shenzhen City, Guangdong Province Patentee after: HEALTHLEAD Corp.,Ltd. Address before: 710075 Kanghong Industrial Park, No. 40 High-tech Sixth Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: XI'AN KANGHONG NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |