CN104796037A - Wideband piezoelectric power generating device - Google Patents
Wideband piezoelectric power generating device Download PDFInfo
- Publication number
- CN104796037A CN104796037A CN201510191290.7A CN201510191290A CN104796037A CN 104796037 A CN104796037 A CN 104796037A CN 201510191290 A CN201510191290 A CN 201510191290A CN 104796037 A CN104796037 A CN 104796037A
- Authority
- CN
- China
- Prior art keywords
- piezoelectric
- basic unit
- permanent magnet
- piezoelectric cantilever
- piezoelectric layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
A wideband piezoelectric power generating device comprises six piezoelectric cantilever beam structures on the left side and the right side. The three piezoelectric cantilever beam structures on the left side are different in length, the six piezoelectric cantilever beam structures are identical in form, and each piezoelectric cantilever beam structure comprises a lead, a piezoelectric layer, a base layer and a permanent magnet. The three piezoelectric cantilever beam structures on the left side and the three piezoelectric cantilever beam structures on the right side are placed oppositely, and the permanent magnets at free ends of piezoelectric cantilever beams which are opposite repel one another. Effective frequency bands of different piezoelectric cantilever beams are different, so that bandwidth can be increased substantially by combining the piezoelectric cantilever beams different in length; the piezoelectric cantilever beam structures on the left side and the piezoelectric cantilever beam structures on the right side are placed oppositely to form a double-steady-state structure, so that bandwidth can be increased further.
Description
Technical field
The present invention relates to a kind of broadband piezoelectric Blast Furnace Top Gas Recovery Turbine Unit (TRT), can effectively increase generating bandwidth, make system all can produce larger electricity in larger frequency domain, belong to green energy resource and utilize field.
Background technology
Piezoelectric energy acquisition technique is that an emerging green energy resource utilizes technology, the utilization of mechanical energy piezoelectric effect of occurring in nature vibration mode is transformed electric energy, but the vibration signal of occurring in nature is commonly the form of low frequency, wideband, the vibration signal of different frequency exists simultaneously, in order to effectively utilize the vibration signal of each frequency, must widen the frequency range of piezoelectric generating device, meaning of the present invention just seems particularly important.
Summary of the invention
In order to effectively widen the bandwidth of piezoelectric cantilever, the technical solution used in the present invention is a kind of broadband piezoelectric Blast Furnace Top Gas Recovery Turbine Unit (TRT), this device comprises six Piezoelectric Cantilever Beams, each three of left and right, the length of three Piezoelectric Cantilever Beams in the left side is different, the length of second left Piezoelectric Cantilever Beams grows 10% to 50% than the length of first Piezoelectric Cantilever Beams, the length of third left Piezoelectric Cantilever Beams grows 10% to 50% than the length of second Piezoelectric Cantilever Beams, the length of three Piezoelectric Cantilever Beams in the right is different, the length of second right Piezoelectric Cantilever Beams grows 10% to 50% than the length of the 3rd Piezoelectric Cantilever Beams, the length of first left Piezoelectric Cantilever Beams grows 10% to 50% than the length of second Piezoelectric Cantilever Beams, the length of first left Piezoelectric Cantilever Beams is identical with the length of third right Piezoelectric Cantilever Beams or differ and be less than 20%.The form of these six Piezoelectric Cantilever Beams is identical, all containing leaded, piezoelectric layer, basic unit and permanent magnet.Three, left side Piezoelectric Cantilever Beams and three, the right Piezoelectric Cantilever Beams positioned opposite.
First left piezoelectric cantilever left end fixes right-hand member freely, lead-in wire a (1) is drawn from the upper surface of piezoelectric layer a (2) and the surface of basic unit a (3) respectively, piezoelectric layer a (2) is pasted onto the upper surface of basic unit a (3), and permanent magnet a (4) is pasted onto the free end upper surface of basic unit a (3).First, the right piezoelectric cantilever right-hand member fixes left end freely, lead-in wire b (8) is drawn from the upper surface of piezoelectric layer b (7) and the surface of basic unit b (6) respectively, piezoelectric layer b (7) is pasted onto the upper surface of basic unit b (6), and permanent magnet b (5) is pasted onto the free end upper surface of basic unit b (6).Second left piezoelectric cantilever left end fixes right-hand member freely, lead-in wire c (9) is drawn from the upper surface of piezoelectric layer c (10) and the surface of basic unit c (11) respectively, piezoelectric layer c (10) is pasted onto the upper surface of basic unit c (11), and permanent magnet c (12) is pasted onto the free end upper surface of basic unit c (14).Second right piezoelectric cantilever right-hand member fixes left end freely, lead-in wire d (16) is drawn from the upper surface of piezoelectric layer d (15) and the surface of basic unit d (14) respectively, piezoelectric layer d (15) is pasted onto the upper surface of basic unit d (14), and permanent magnet d (13) is pasted onto the free end upper surface of basic unit d (14).Third left piezoelectric cantilever left end fixes right-hand member freely, lead-in wire e (17) is drawn from the upper surface of piezoelectric layer e (18) and the surface of basic unit e (19) respectively, piezoelectric layer e (18) is pasted onto the upper surface of basic unit e (19), and permanent magnet e (20) is pasted onto the free end upper surface of basic unit e (19).Third right piezoelectric cantilever right-hand member fixes left end freely, lead-in wire f (24) is drawn from the upper surface of piezoelectric layer f (23) and the surface of basic unit f (22) respectively, piezoelectric layer f (23) is pasted onto the upper surface of basic unit f (22), and permanent magnet f (21) is pasted onto the free end upper surface of basic unit f (22).
Permanent magnet a (4) and permanent magnet b (5) repel mutually, permanent magnet c (12) and permanent magnet d (13) repel mutually, and permanent magnet e (20) and permanent magnet f (21) repel mutually.
Certain interval is there is, to maintain the bistable motion of first left piezoelectric cantilever and the right first piezoelectric cantilever between permanent magnet a (4) and permanent magnet b (5).Distance between permanent magnet c (12) with permanent magnet d (13) is identical with the distance between permanent magnet a (4) with permanent magnet b (5) or differ less than 10%.Distance between permanent magnet e (20) with permanent magnet f (21) is identical with the distance between permanent magnet a (4) with permanent magnet b (5) or differ less than 10%.
The material of piezoelectric layer a (2), piezoelectric layer b (7), piezoelectric layer c (10), piezoelectric layer d (15), piezoelectric layer e (18), piezoelectric layer f (23) is PVDF or PZT after polarization.
The material of basic unit a (3), basic unit b (6), basic unit c (11), basic unit d (14), basic unit e (19), basic unit f (22) is the one of copper, steel, aluminium, aluminium alloy.
Compared with prior art, the invention has the beneficial effects as follows:
Can effective broadened bandwidth, can catch the vibration signal of more different frequencies, electromechanical conversion efficiency is higher, can produce more electric energy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure:
1-lead-in wire a 2-piezoelectric layer a 3-basic unit a
4-permanent magnet a 5-permanent magnet b 6-basic unit b
7-piezoelectric layer b 8-lead-in wire b 9-lead-in wire c
10-piezoelectric layer c 11-basic unit c 12-permanent magnet c
13-permanent magnet d 14-basic unit d 15-piezoelectric layer d
16-lead-in wire d 17-lead-in wire e 18-piezoelectric layer e
19-basic unit e 20-permanent magnet e 21-permanent magnet f
22-basic unit f 23-piezoelectric layer f 24-goes between f
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
As shown in Figure 1, a kind of broadband piezoelectric Blast Furnace Top Gas Recovery Turbine Unit (TRT), this device comprises six Piezoelectric Cantilever Beams, each three of left and right, the length of three Piezoelectric Cantilever Beams in the left side is different, the length of second left Piezoelectric Cantilever Beams grows 10% to 50% than the length of first Piezoelectric Cantilever Beams, the length of third left Piezoelectric Cantilever Beams grows 10% to 50% than the length of second Piezoelectric Cantilever Beams, the length of three Piezoelectric Cantilever Beams in the right is different, the length of second right Piezoelectric Cantilever Beams grows 10% to 50% than the length of the 3rd Piezoelectric Cantilever Beams, the length of first left Piezoelectric Cantilever Beams grows 10% to 50% than the length of second Piezoelectric Cantilever Beams, the length of first left Piezoelectric Cantilever Beams is identical with the length of third right Piezoelectric Cantilever Beams or differ and be less than 20%.The form of these six Piezoelectric Cantilever Beams is identical, all containing leaded, piezoelectric layer, basic unit and permanent magnet.Three, left side Piezoelectric Cantilever Beams and three, the right Piezoelectric Cantilever Beams positioned opposite.
First left piezoelectric cantilever left end fixes right-hand member freely, lead-in wire a (1) is drawn from the upper surface of piezoelectric layer a (2) and the surface of basic unit a (3) respectively, piezoelectric layer a (2) is pasted onto the upper surface of basic unit a (3), and permanent magnet a (4) is pasted onto the free end upper surface of basic unit a (3).First, the right piezoelectric cantilever right-hand member fixes left end freely, lead-in wire b (8) is drawn from the upper surface of piezoelectric layer b (7) and the surface of basic unit b (6) respectively, piezoelectric layer b (7) is pasted onto the upper surface of basic unit b (6), and permanent magnet b (5) is pasted onto the free end upper surface of basic unit b (6).Second left piezoelectric cantilever left end fixes right-hand member freely, lead-in wire c (9) is drawn from the upper surface of piezoelectric layer c (10) and the surface of basic unit c (11) respectively, piezoelectric layer c (10) is pasted onto the upper surface of basic unit c (11), and permanent magnet c (12) is pasted onto the free end upper surface of basic unit c (14).Second right piezoelectric cantilever right-hand member fixes left end freely, lead-in wire d (16) is drawn from the upper surface of piezoelectric layer d (15) and the surface of basic unit d (14) respectively, piezoelectric layer d (15) is pasted onto the upper surface of basic unit d (14), and permanent magnet d (13) is pasted onto the free end upper surface of basic unit d (14).Third left piezoelectric cantilever left end fixes right-hand member freely, lead-in wire e (17) is drawn from the upper surface of piezoelectric layer e (18) and the surface of basic unit e (19) respectively, piezoelectric layer e (18) is pasted onto the upper surface of basic unit e (19), and permanent magnet e (20) is pasted onto the free end upper surface of basic unit e (19).Third right piezoelectric cantilever right-hand member fixes left end freely, lead-in wire f (24) is drawn from the upper surface of piezoelectric layer f (23) and the surface of basic unit f (22) respectively, piezoelectric layer f (23) is pasted onto the upper surface of basic unit f (22), and permanent magnet f (21) is pasted onto the free end upper surface of basic unit f (22).
Permanent magnet a (4) and permanent magnet b (5) repel mutually, permanent magnet c (12) and permanent magnet d (13) repel mutually, and permanent magnet e (20) and permanent magnet f (21) repel mutually.
Certain interval is there is, to maintain the bistable motion of first left piezoelectric cantilever and the right first piezoelectric cantilever between permanent magnet a (4) and permanent magnet b (5).Distance between permanent magnet c (12) with permanent magnet d (13) is identical with the distance between permanent magnet a (4) with permanent magnet b (5) or differ less than 10%.Distance between permanent magnet e (20) with permanent magnet f (21) is identical with the distance between permanent magnet a (4) with permanent magnet b (5) or differ less than 10%.
The material of piezoelectric layer a (2), piezoelectric layer b (7), piezoelectric layer c (10), piezoelectric layer d (15), piezoelectric layer e (18), piezoelectric layer f (23) is PVDF or PZT after polarization.
The material of basic unit a (3), basic unit b (6), basic unit c (11), basic unit d (14), basic unit e (19), basic unit f (22) is the one of copper, steel, aluminium, aluminium alloy.
Although invention has been described for composition graphs above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; when not departing from present inventive concept; can also make a lot of distortion, these all belong to protection category of the present invention.
Claims (5)
1. a broadband piezoelectric Blast Furnace Top Gas Recovery Turbine Unit (TRT), it is characterized in that: this device comprises six Piezoelectric Cantilever Beams, each three of left and right, the length of three Piezoelectric Cantilever Beams in the left side is different, the length of second left Piezoelectric Cantilever Beams grows 10% to 50% than the length of first Piezoelectric Cantilever Beams, the length of third left Piezoelectric Cantilever Beams grows 10% to 50% than the length of second Piezoelectric Cantilever Beams, the length of three Piezoelectric Cantilever Beams in the right is different, the length of second right Piezoelectric Cantilever Beams grows 10% to 50% than the length of the 3rd Piezoelectric Cantilever Beams, the length of first left Piezoelectric Cantilever Beams grows 10% to 50% than the length of second Piezoelectric Cantilever Beams, the length of first left Piezoelectric Cantilever Beams is identical with the length of third right Piezoelectric Cantilever Beams or differ and be less than 20%, the form of these six Piezoelectric Cantilever Beams is identical, all containing leaded, piezoelectric layer, basic unit and permanent magnet, three, left side Piezoelectric Cantilever Beams and three, the right Piezoelectric Cantilever Beams positioned opposite,
First left piezoelectric cantilever left end fixes right-hand member freely, lead-in wire a (1) is drawn from the upper surface of piezoelectric layer a (2) and the surface of basic unit a (3) respectively, piezoelectric layer a (2) is pasted onto the upper surface of basic unit a (3), and permanent magnet a (4) is pasted onto the free end upper surface of basic unit a (3); First, the right piezoelectric cantilever right-hand member fixes left end freely, lead-in wire b (8) is drawn from the upper surface of piezoelectric layer b (7) and the surface of basic unit b (6) respectively, piezoelectric layer b (7) is pasted onto the upper surface of basic unit b (6), and permanent magnet b (5) is pasted onto the free end upper surface of basic unit b (6); Second left piezoelectric cantilever left end fixes right-hand member freely, lead-in wire c (9) is drawn from the upper surface of piezoelectric layer c (10) and the surface of basic unit c (11) respectively, piezoelectric layer c (10) is pasted onto the upper surface of basic unit c (11), and permanent magnet c (12) is pasted onto the free end upper surface of basic unit c (14); Second right piezoelectric cantilever right-hand member fixes left end freely, lead-in wire d (16) is drawn from the upper surface of piezoelectric layer d (15) and the surface of basic unit d (14) respectively, piezoelectric layer d (15) is pasted onto the upper surface of basic unit d (14), and permanent magnet d (13) is pasted onto the free end upper surface of basic unit d (14); Third left piezoelectric cantilever left end fixes right-hand member freely, lead-in wire e (17) is drawn from the upper surface of piezoelectric layer e (18) and the surface of basic unit e (19) respectively, piezoelectric layer e (18) is pasted onto the upper surface of basic unit e (19), and permanent magnet e (20) is pasted onto the free end upper surface of basic unit e (19); Third right piezoelectric cantilever right-hand member fixes left end freely, lead-in wire f (24) is drawn from the upper surface of piezoelectric layer f (23) and the surface of basic unit f (22) respectively, piezoelectric layer f (23) is pasted onto the upper surface of basic unit f (22), and permanent magnet f (21) is pasted onto the free end upper surface of basic unit f (22).
2. a kind of broadband piezoelectric Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, it is characterized in that: permanent magnet a (4) and permanent magnet b (5) repel mutually, permanent magnet c (12) and permanent magnet d (13) repel mutually, and permanent magnet e (20) and permanent magnet f (21) repel mutually.
3. a kind of broadband piezoelectric Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, it is characterized in that: between permanent magnet a (4) and permanent magnet b (5), there is certain interval, to maintain the bistable motion of first left piezoelectric cantilever and the right first piezoelectric cantilever; Distance between permanent magnet c (12) with permanent magnet d (13) is identical with the distance between permanent magnet a (4) with permanent magnet b (5) or differ less than 10%; Distance between permanent magnet e (20) with permanent magnet f (21) is identical with the distance between permanent magnet a (4) with permanent magnet b (5) or differ less than 10%.
4. a kind of broadband piezoelectric Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that: the material of piezoelectric layer a (2), piezoelectric layer b (7), piezoelectric layer c (10), piezoelectric layer d (15), piezoelectric layer e (18), piezoelectric layer f (23) is PVDF or PZT after polarization.
5. a kind of broadband piezoelectric Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that: the material of basic unit a (3), basic unit b (6), basic unit c (11), basic unit d (14), basic unit e (19), basic unit f (22) is the one of copper, steel, aluminium, aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510191290.7A CN104796037A (en) | 2015-04-22 | 2015-04-22 | Wideband piezoelectric power generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510191290.7A CN104796037A (en) | 2015-04-22 | 2015-04-22 | Wideband piezoelectric power generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104796037A true CN104796037A (en) | 2015-07-22 |
Family
ID=53560612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510191290.7A Pending CN104796037A (en) | 2015-04-22 | 2015-04-22 | Wideband piezoelectric power generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104796037A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226994A (en) * | 2015-10-27 | 2016-01-06 | 张文明 | Multifrequency coupled vibrations energy capture device |
| CN105553331A (en) * | 2015-12-29 | 2016-05-04 | 南京航空航天大学 | Low-frequency piezoelectric vibration energy collector |
| CN106685263A (en) * | 2016-11-22 | 2017-05-17 | 太原理工大学 | Bandwidth adjustable n*3 lattice type vibration energy collector based on modal separation technology |
| CN106856381A (en) * | 2017-01-12 | 2017-06-16 | 合肥工业大学 | A kind of double fork cantilever beam piezoelectric energy collecting devices of beaming type bistable state bending |
| CN107508496A (en) * | 2017-08-28 | 2017-12-22 | 北京工业大学 | With the mutual bistable state multimode vibration generating device of auxiliary magnetic |
| CN107863903A (en) * | 2017-12-12 | 2018-03-30 | 天津大学 | The non-linear wideband raising frequency vibration energy collector of array |
| CN108736763A (en) * | 2018-06-14 | 2018-11-02 | 电子科技大学 | A kind of two-way series broadband piezoelectric harvester of parallel circuit |
| CN109995270A (en) * | 2019-05-20 | 2019-07-09 | 山东理工大学 | A kind of more beam piezoelectric energy trapping devices of magnetic coupling and its bistable state implementation method |
| CN110649836A (en) * | 2019-10-17 | 2020-01-03 | 安徽理工大学 | High-power longitudinal array formula energy harvesting device of wide band of qxcomm technology |
| CN111917332A (en) * | 2020-08-24 | 2020-11-10 | 上海大学 | Compound vibration energy collector of many piezoelectric beams clan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532429A (en) * | 2012-07-04 | 2014-01-22 | 扬州博达电气设备有限公司 | Array type piezoelectric generating device |
| CN203416192U (en) * | 2013-07-22 | 2014-01-29 | 杭州电子科技大学 | Piezoelectric and electromagnetic coupling-based composite broadband vibration energy acquisition device |
| CN103701364A (en) * | 2014-01-03 | 2014-04-02 | 金陵科技学院 | Wind-induced vibration broadband piezoelectric power generator |
| CN104242725A (en) * | 2013-06-13 | 2014-12-24 | 中国科学院上海微系统与信息技术研究所 | Two-level vibrating type broadband energy harvester |
| CN104377993A (en) * | 2014-11-25 | 2015-02-25 | 北京工业大学 | Automatic parameter regulating bistable-state piezoelectric power generation structure |
-
2015
- 2015-04-22 CN CN201510191290.7A patent/CN104796037A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532429A (en) * | 2012-07-04 | 2014-01-22 | 扬州博达电气设备有限公司 | Array type piezoelectric generating device |
| CN104242725A (en) * | 2013-06-13 | 2014-12-24 | 中国科学院上海微系统与信息技术研究所 | Two-level vibrating type broadband energy harvester |
| CN203416192U (en) * | 2013-07-22 | 2014-01-29 | 杭州电子科技大学 | Piezoelectric and electromagnetic coupling-based composite broadband vibration energy acquisition device |
| CN103701364A (en) * | 2014-01-03 | 2014-04-02 | 金陵科技学院 | Wind-induced vibration broadband piezoelectric power generator |
| CN104377993A (en) * | 2014-11-25 | 2015-02-25 | 北京工业大学 | Automatic parameter regulating bistable-state piezoelectric power generation structure |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226994A (en) * | 2015-10-27 | 2016-01-06 | 张文明 | Multifrequency coupled vibrations energy capture device |
| CN105553331B (en) * | 2015-12-29 | 2018-06-05 | 南京航空航天大学 | A kind of low frequency piezoelectric vibration energy collector |
| CN105553331A (en) * | 2015-12-29 | 2016-05-04 | 南京航空航天大学 | Low-frequency piezoelectric vibration energy collector |
| CN106685263A (en) * | 2016-11-22 | 2017-05-17 | 太原理工大学 | Bandwidth adjustable n*3 lattice type vibration energy collector based on modal separation technology |
| CN106856381A (en) * | 2017-01-12 | 2017-06-16 | 合肥工业大学 | A kind of double fork cantilever beam piezoelectric energy collecting devices of beaming type bistable state bending |
| CN106856381B (en) * | 2017-01-12 | 2018-07-20 | 合肥工业大学 | A kind of double fork cantilever beam piezoelectric energy collecting devices of beaming type bistable state bending |
| CN107508496A (en) * | 2017-08-28 | 2017-12-22 | 北京工业大学 | With the mutual bistable state multimode vibration generating device of auxiliary magnetic |
| CN107863903A (en) * | 2017-12-12 | 2018-03-30 | 天津大学 | The non-linear wideband raising frequency vibration energy collector of array |
| CN108736763A (en) * | 2018-06-14 | 2018-11-02 | 电子科技大学 | A kind of two-way series broadband piezoelectric harvester of parallel circuit |
| CN109995270A (en) * | 2019-05-20 | 2019-07-09 | 山东理工大学 | A kind of more beam piezoelectric energy trapping devices of magnetic coupling and its bistable state implementation method |
| CN110649836A (en) * | 2019-10-17 | 2020-01-03 | 安徽理工大学 | High-power longitudinal array formula energy harvesting device of wide band of qxcomm technology |
| CN111917332A (en) * | 2020-08-24 | 2020-11-10 | 上海大学 | Compound vibration energy collector of many piezoelectric beams clan |
| CN111917332B (en) * | 2020-08-24 | 2021-06-22 | 上海大学 | Compound vibration energy collector of many piezoelectric beams clan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104796037A (en) | Wideband piezoelectric power generating device | |
| WO2015110093A3 (en) | Multi-mode vibration power generator | |
| US9484523B2 (en) | Bistable piezoelectric cantilever vibration energy generator based on spherical composite structure and partial separation of different layers | |
| CN110912457B (en) | Composite three-stable-state piezoelectric vibration energy collector | |
| CN107508496A (en) | With the mutual bistable state multimode vibration generating device of auxiliary magnetic | |
| CN109995270A (en) | A kind of more beam piezoelectric energy trapping devices of magnetic coupling and its bistable state implementation method | |
| CN105226994A (en) | Multifrequency coupled vibrations energy capture device | |
| CN105337531A (en) | Piezoelectric power generation device | |
| CN203872084U (en) | Piezoelectric power generation cantilever beam mechanism | |
| CN103888023A (en) | Cantilever mechanism for piezoelectric power generation | |
| Huo et al. | Sharp improvement of flashover strength from composite micro-textured surfaces | |
| WO2013014103A3 (en) | Electric machine having a low-mass design in magnetically active parts | |
| CN203278697U (en) | Wide-frequency-band multi-direction vibration energy harvester | |
| CN104300831A (en) | Cantilever coupling piezoelectric power generation cantilever beam | |
| CN104270032A (en) | Bistable state spherical surface composite cantilever piezoelectric power generation device | |
| CN104377993A (en) | Automatic parameter regulating bistable-state piezoelectric power generation structure | |
| CN104253563B (en) | Method for improving power generation capacity of bistable suspension beam piezoelectric power generation device | |
| JP6208241B2 (en) | Solar device with resonator for application in energetics | |
| US10090782B2 (en) | Drum-type wide-frequency piezoelectric power generation apparatus | |
| CN108880328A (en) | A kind of Z-type piezoelectric vibrator | |
| RU2015100885A (en) | SPARK DISCHARGE | |
| CN108988679B (en) | One kind indulging-Hybrid transducer sandwich transducer | |
| CN204361938U (en) | A kind of L-type girder construction internal resonance wideband vibration energy collector | |
| CN104377990A (en) | Vibration energy collector with high conversion efficiency | |
| CN104333261A (en) | Tumbler piezoelectric generating set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150722 |