CN108880328A - A kind of Z-type piezoelectric vibrator - Google Patents
A kind of Z-type piezoelectric vibrator Download PDFInfo
- Publication number
- CN108880328A CN108880328A CN201810972010.XA CN201810972010A CN108880328A CN 108880328 A CN108880328 A CN 108880328A CN 201810972010 A CN201810972010 A CN 201810972010A CN 108880328 A CN108880328 A CN 108880328A
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- Prior art keywords
- cantilever beams
- type metal
- piezoelectric
- piezoelectric ceramics
- metal cantilever
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- 239000000919 ceramic Substances 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 238000009825 accumulation Methods 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims abstract description 4
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- 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
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
Abstract
It is characterized by comprising piezoelectric ceramic piece-Z-type metal cantilever beams stepped constructions for a kind of Z-type piezoelectric vibrator, piezoelectric ceramics is equipped in the first layer and the second layer of Z-type metal cantilever beams, piezoelectric ceramics is Nian Jie with Z-type metal cantilever beams using conducting resinl, and it is connected by conducting wire with having the power circuit of rectification and energy accumulation function on the electrode surface of piezoelectric ceramics, the first layer of Z-type metal cantilever beams extends to other than piezoelectric ceramics, entire Z-type piezoelectric vibrator is fixed by the end, is placed with mass block in the end of the second layer of Z-type metal cantilever beams.The present invention can expand device for collecting piezoelectric vibration energy prisoner can bandwidth, improve the transfer efficiency of vibrational energy, can be effectively solved the acquisition of current piezoelectric vibration energy there are the problem of.
Description
Technical field
This application involves piezoelectricity applied technical fields, more specifically to a kind of piezoelectric vibrator.
Background technique
Piezoelectric vibrator major function is that the vibrational energy in collected industrial production, living environment is converted to electric energy, so
It powers afterwards for other micro energy lose electronic components.Piezoelectric vibration energy acquisition technique is due to no electromagnetic interference, pollution-free and be easy to
The microminiaturization of implementation mechanism, it is integrated many advantages, such as, and be able to satisfy low power consuming product energy supply demand and become at present research
Hot spot.The problems such as piezoelectric vibration energy collector developed at present is single, frequency band is narrow in the prevalence of working frequency, is unfavorable for
Efficient acquisition and conversion are carried out to ambient vibration energy.
Summary of the invention
It is narrow for solving existing piezoelectric vibrator frequency response range that this application provides a kind of Z-type piezoelectric vibrators, in vibration source
When frequency changes, the problem of energy is converted can not be efficiently accomplished.
It is characterized by comprising piezoelectric ceramic piece-Z-type metal cantilever beams stepped constructions for a kind of Z-type piezoelectric vibrator, i.e., in Z-type
Metal cantilever beams（3）First layer have piezoelectric ceramics（1）, in Z-type metal cantilever beams（3）The second layer have piezoelectric ceramics（4）, pressure
Electroceramics（1）With（4）Utilize conducting resinl and Z-type metal cantilever beams（3）Bonding, and in piezoelectric ceramics（1）Electrode surface on lead to
Cross conducting wire（2）And conducting wire（9）It is connected with having the power circuit of rectification and energy accumulation function, in piezoelectric ceramics（4）Electrode
Pass through conducting wire on face（5）And conducting wire（8）It is connected with having the power circuit of rectification and energy accumulation function, Z-type metal cantilever beams
（3）First layer extend to piezoelectric ceramics（1）In addition, entire Z-type piezoelectric vibrator is fixed by the end, outstanding in Z-type metal
Arm beam（3）The end of the second layer be placed with mass block（6）And mass block（7）.
Consider the present invention is based on following, in vibration, Z-type metal cantilever beams（3）With vibrating body（10）Vibration, and it is attached to it
Piezoelectric ceramics above（1）And piezoelectric ceramics（4）Mechanical vibrational energy is converted into electric energy as energy conversion elements.
The gross energy of one Z-type metal cantilever beams of piezoelectric ceramics includes two parts, first is that elasticity energy, the other is electric energy,, wherein T, S respectively indicate stress and strain, and E and D respectively indicate electric field strength and dielectric displacement.
Detailed description of the invention
Fig. 1 is the 3-D view of the Z-type piezoelectric vibrator structure.
Fig. 2 is the embodiment of the present invention schematic configuration diagram.
Figure label title：1（4）Piezoelectric ceramics, 3-Z type metal cantilever beams, 2（9,5,8）Conducting wire, 6（7）Mass block,
10- vibrates figure bracket, 11-U type bracket, 12- bolt.
Specific embodiment
Embodiment：
It is characterized by comprising piezoelectric ceramic piece-Z-type metal cantilever beams for a kind of Z-type piezoelectric vibrator（3）Stepped construction, i.e., in Z-type
Metal cantilever beams（3）First layer have piezoelectric ceramics（1）, in Z-type metal cantilever beams（3）The second layer have piezoelectric ceramics（4）, pressure
Electroceramics（1）And piezoelectric ceramics（4）Utilize conducting resinl and Z-type metal cantilever beams（3）Bonding, and in piezoelectric ceramics（1）Electricity
Pass through conducting wire on pole-face（2）And conducting wire（9）It is connected with having the power circuit of rectification and energy accumulation function, in piezoelectric ceramics
（4）Electrode surface on pass through conducting wire（5）And conducting wire（8）It is connected with having the power circuit of rectification and energy accumulation function, Z-type gold
Belong to cantilever beam（3）First layer extend to piezoelectric ceramics（1）In addition, entire Z-type piezoelectric vibrator is fixed by the end, in Z
Type metal cantilever beams（3）The end of the second layer be placed with mass block（6）And mass block（7）.
A kind of basic structure of Z-type piezoelectric vibrator embodiment is illustrated referring to Fig. 2.
U-bracket（11）It is mounted on vibrating body（10）On, vibrating body（10）Vibration will drive u-bracket（11）It generates and hangs down
Straight vibration, Z-type metal cantilever beams（3）The part that first layer stretches out piezoelectric ceramics passes through bolt（12）It is connected with U-shaped frame.Work as vibration
Z-type metal cantilever beams at the beginning of dynamic（3）And u-bracket（11）With vibrating body（10）It moves reciprocatingly, and is being placed on U
Type metal cantilever beams（3）The mass block of the second layer（6）And mass block（7）Under the action of, U-shaped metal cantilever beams（3）First layer,
The second layer occurs bending and deformation, U-shaped metal cantilever beams（3）Deformation so that piezoelectric ceramics（1）And piezoelectric ceramics（4）Become
Shape, to achieve the purpose that mechanical energy is converted to electric energy.The U-shaped metal cantilever beams under first-order modal（3）First layer occur
Bending deformation is larger, and Z-type piezoelectric vibrator is mainly by piezoelectric ceramics at this time（1）It generates electricity, and U-shaped metal is outstanding under second-order modal
Arm beam（3）The second layer biggish bending deformation occurs, Z-type piezoelectric vibrator relies primarily on piezoelectric ceramics at this time（4）It generates electricity,
Since the Z-type piezoelectric vibrator can generate electricity under first-order modal, second-order modal, adopted it is achieved that expanding piezoelectric vibration energy
Collection prisoner's energy bandwidth, improves the purpose of vibrational energy transfer efficiency.
Although the present invention is described in detail referring to its specific embodiment, it is not limited to described particular implementation
Example, made possible modification and variation should belong to the scope of protection of the present invention it in principle and spiritual basis of the invention
It is interior.
Claims (1)
1. it is characterized by comprising piezoelectric ceramics-Z-type metal cantilever beams stepped constructions for a kind of Z-type piezoelectric vibrator, i.e., in Z-type metal
Cantilever beam（3）First layer have piezoelectric ceramics（1）, in Z-type metal cantilever beams（3）The second layer have piezoelectric ceramics（4）, piezoelectricity pottery
Porcelain（1）And piezoelectric ceramics（4）Utilize conducting resinl and Z-type metal cantilever beams（3）Bonding, and in piezoelectric ceramics（1）Electrode surface
On pass through conducting wire（2）With（9）It is connected with having the power circuit of rectification and energy accumulation function, in piezoelectric ceramics（4）Electrode
Pass through conducting wire on face（5）With（8）It is connected with having the power circuit of rectification and energy accumulation function, Z-type metal cantilever beams（3）'s
First layer extends to piezoelectric ceramics（1）In addition, entire Z-type piezoelectric vibrator is fixed by the end, in Z-type metal cantilever beams
（3）The end of the second layer be placed with mass block（6）And mass block（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972010.XA CN108880328A (en) | 2018-08-24 | 2018-08-24 | A kind of Z-type piezoelectric vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972010.XA CN108880328A (en) | 2018-08-24 | 2018-08-24 | A kind of Z-type piezoelectric vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108880328A true CN108880328A (en) | 2018-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810972010.XA Pending CN108880328A (en) | 2018-08-24 | 2018-08-24 | A kind of Z-type piezoelectric vibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108880328A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210242A (en) * | 2021-05-28 | 2021-08-06 | 苏州科技大学 | Three-dimensional space ultrasonic elliptical vibration turning device |
| US11146240B2 (en) | 2019-10-28 | 2021-10-12 | Samsung Electronics Co., Ltd. | Micromechanical resonator and resonator system including the same |
| CN113507234A (en) * | 2021-07-16 | 2021-10-15 | 安徽理工大学 | Nonlinear multidirectional piezoelectric energy recovery device and energy recovery method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102414854A (en) * | 2010-01-07 | 2012-04-11 | 松下电器产业株式会社 | Piezoelectric power generation device and power generation method using piezoelectric power generation device |
| CN105305879A (en) * | 2015-10-10 | 2016-02-03 | 浙江工商大学 | Right-angled piezoelectric cantilever beam vibration energy harvester |
| CN105515444A (en) * | 2016-01-26 | 2016-04-20 | 金陵科技学院 | Rod ring structure multidirectional piezoelectric power generation device |
| CN205545002U (en) * | 2016-01-26 | 2016-08-31 | 金陵科技学院 | Multi -direction piezoelectric power generating device of collar structure |
| CN105952592A (en) * | 2016-05-11 | 2016-09-21 | 西安交通大学 | Soft impeller generator based on human sports energy collection |
-
2018
- 2018-08-24 CN CN201810972010.XA patent/CN108880328A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102414854A (en) * | 2010-01-07 | 2012-04-11 | 松下电器产业株式会社 | Piezoelectric power generation device and power generation method using piezoelectric power generation device |
| CN105305879A (en) * | 2015-10-10 | 2016-02-03 | 浙江工商大学 | Right-angled piezoelectric cantilever beam vibration energy harvester |
| CN105515444A (en) * | 2016-01-26 | 2016-04-20 | 金陵科技学院 | Rod ring structure multidirectional piezoelectric power generation device |
| CN205545002U (en) * | 2016-01-26 | 2016-08-31 | 金陵科技学院 | Multi -direction piezoelectric power generating device of collar structure |
| CN105952592A (en) * | 2016-05-11 | 2016-09-21 | 西安交通大学 | Soft impeller generator based on human sports energy collection |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11146240B2 (en) | 2019-10-28 | 2021-10-12 | Samsung Electronics Co., Ltd. | Micromechanical resonator and resonator system including the same |
| CN113210242A (en) * | 2021-05-28 | 2021-08-06 | 苏州科技大学 | Three-dimensional space ultrasonic elliptical vibration turning device |
| CN113507234A (en) * | 2021-07-16 | 2021-10-15 | 安徽理工大学 | Nonlinear multidirectional piezoelectric energy recovery device and energy recovery method |
| CN113507234B (en) * | 2021-07-16 | 2022-05-17 | 安徽理工大学 | Nonlinear multi-directional piezoelectric energy recovery device |
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