CN108429489B - Building vibration energy collecting device - Google Patents
Building vibration energy collecting device Download PDFInfo
- Publication number
- CN108429489B CN108429489B CN201810496182.4A CN201810496182A CN108429489B CN 108429489 B CN108429489 B CN 108429489B CN 201810496182 A CN201810496182 A CN 201810496182A CN 108429489 B CN108429489 B CN 108429489B
- Authority
- CN
- China
- Prior art keywords
- mounting seat
- sleeve
- thin film
- base structure
- piezoelectric
- 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.)
- Active
Links
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000010409 thin film Substances 0.000 claims description 36
- 239000010408 film Substances 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 238000003306 harvesting Methods 0.000 claims description 12
- 239000002033 PVDF binder Substances 0.000 claims description 10
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 10
- 239000004642 Polyimide Substances 0.000 claims description 8
- 229920001721 polyimide Polymers 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910000746 Structural steel Inorganic materials 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000004073 vulcanization Methods 0.000 claims description 3
- 238000011161 development Methods 0.000 description 8
- 241000282414 Homo sapiens Species 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a building vibration energy collecting device, which comprises: the structure comprises a base structure and a component connected with the base structure, wherein mounting plates are respectively arranged on the base structure and the component, a mounting seat is arranged on the mounting plate of the base structure, the upper end of the mounting seat is provided with an opening, the lower end of the mounting seat is fixedly connected with the mounting plate of the base structure, a sleeve concentric with the mounting seat is arranged in the mounting seat, the opening direction of the upper end of the sleeve is the same as that of the upper end of the mounting seat, the lower end of the sleeve can move relative to the base structure, a shaft is fixedly arranged on the mounting plate of the component, the shaft is movably inserted into the sleeve and can move up and down relative to the sleeve, a buffer material is filled between the mounting seat and the sleeve, and one or more piezoelectric film elements are buried in the buffer material. The invention can be applied to buildings such as common high-rise buildings, bridges, roads and the like, efficiently collects and converts the vibration energy in the buildings, and has the advantages of high reliability, good durability and the like.
Description
Technical Field
The invention relates to a building vibration energy collecting device, in particular to a building vibration energy collecting device utilizing a piezoelectric element.
Background
The energy source is an important material basis for survival and development of human society, and is a pulse for national economy development. Throughout the human energy history, countries around the world experience firewood and fossil energy periods and will develop into renewable energy periods. In the development history of human beings, the first thousands of years is in firewood period, and the energy is mainly biomass energy; in the middle 18 th century, along with development of science and technology, expansion of high-quality energy demands and improvement of fossil energy exploitation level, mankind gradually transits to fossil energy period mainly comprising coal and petroleum, and the relative low cost of energy promotes progress of technological revolution and economic development of industrialized countries to a certain extent; however, fossil energy belongs to non-renewable energy, and although the specific years in which fossil energy can be exploited have not been uniformly agreed, the predictable exhaustion of fossil energy has been known, and the adjustment of energy structure from non-renewable energy to renewable energy is a trend of human energy structure development. The current state of energy supply of world primary energy, mainly of foreseeable depleted petrochemical energy, is urgently required to accelerate the development of renewable energy. Renewable energy sources can be constantly replenished from the environment or can be regenerated in a shorter period; a great deal of renewable environmental energy exists in the living material environment of human beings, such as wind energy, water energy, solar energy, biomass energy and the like. Compared with fossil energy, renewable environmental energy is collected and utilized, and the requirements of sustainable development are met.
With the advancement of urban construction, high-rise buildings, bridges, roads and the like are becoming more and more dense, and in these buildings, minute vibrations occur at all times due to the action of wind power, or the running of vehicles and the like, and these vibrations constitute the environmental energy around us. The environmental energy is collected, stored and utilized, so that the energy crisis is relieved, and the environment energy is beneficial to building a green modern society.
At present, a common method for utilizing vibration energy in the environment is to pave piezoelectric materials in a road pavement structure, convert part of mechanical energy generated by traffic load on a road into electric energy by utilizing a piezoelectric effect, and then collect, process and utilize the generated electric energy. Since the discovery of the piezoelectric effect by curie brothers, research has been carried out over 100 years, and research on the performance and application of piezoelectric materials has become mature. Because of its excellent energy conversion capability, piezoelectric energy harvesting systems are receiving general attention from global scientific research institutions and businesses. In 2008, inNOWATTECH corporation of Israel has developed a piezoelectric energy harvesting system for use in road engineering in conjunction with the institute of sea law. However, this technology is still in an external security stage and cannot provide direct reference to chinese researchers. Meanwhile, the technology can only be applied to vibration energy collection of traffic road surfaces, can not collect environmental vibration energy in a wider range of high-rise buildings, bridges and the like, and has certain limitations.
Disclosure of Invention
The invention aims to solve the technical problems that: aiming at the defects existing in the prior art, the building vibration energy collecting device is provided, and particularly the building vibration energy collecting device utilizing the piezoelectric element can be widely applied to buildings such as common high-rise buildings, bridges and roads, can efficiently collect and convert vibration energy in the buildings, and has the advantages of high reliability, good durability and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a building vibration energy collecting device, comprising: the device comprises a base structure and a component connected with the base structure, wherein mounting plates are fixedly arranged on the base structure and the component respectively, a mounting seat is fixedly arranged on the mounting plate of the base structure, an upper end opening of the mounting seat is fixedly connected with the mounting plate of the base structure, a sleeve concentric with the mounting seat is arranged in the mounting seat, the upper end opening direction of the sleeve is the same as the upper end opening direction of the mounting seat, the lower end of the sleeve can move relative to the base structure, a shaft is fixedly arranged on the mounting plate of the component, the sleeve is movably inserted into the upper end opening of the sleeve, the sleeve can move up and down relative to the sleeve, a buffer material is filled between the mounting seat and the sleeve, one or more piezoelectric film elements are buried in the buffer material, and the piezoelectric film elements are connected with a rectifying circuit and an energy storage module through wires.
The piezoelectric thin film element is of a layered structure, the layered structure comprises a layer of polyvinylidene fluoride thin film serving as a piezoelectric material, the polyvinylidene fluoride thin film is attached to a layer of polyimide matrix film through a layer of nickel-based conductive thin film, the outer sides of the polyvinylidene fluoride thin film and the polyimide matrix film are respectively attached with a layer of nickel-based conductive thin film, and the piezoelectric thin film element is arranged to be in a certain radian.
The piezoelectric thin film element is formed by stacking a plurality of layered structures.
One or more layers of reinforcing plates are arranged between the mounting seat and the sleeve at a certain distance, and the reinforcing plates and the mounting seat are concentrically arranged.
A plurality of groups of piezoelectric thin film elements are arranged in the radial direction of the mounting seat, and the groups of piezoelectric thin film elements are arranged at intervals with the reinforcing plates of the plurality of layers in a staggered manner.
The mounting seat, the sleeve and the reinforcing plate are all made of structural steel; the inner surface of the mounting seat, which is contacted with the buffer material, and the outer surface of the sleeve, which is contacted with the buffer material, are roughened; the buffer material is connected with the inner surface of the mounting seat and the outer surface of the sleeve through high-temperature vulcanization treatment.
Compared with the prior art, the invention has the following beneficial effects: 1. the building vibration energy collecting device is simple in structure and high in universality, can be widely applied to buildings such as common high-rise buildings, bridges and roads, and can be used for efficiently collecting and converting vibration energy in the buildings. 2. The traditional vibration energy collecting device of the piezoelectric effect mostly utilizes the up-and-down pressure generated by vehicles on the road surface, the piezoelectric element bears the pressure to deform the vibrator so as to generate current, and when the external pressure is overlarge and exceeds the bearing range of the piezoelectric vibrator, the piezoelectric vibrator can be permanently damaged, so that the system is disabled. In the device, the flexible piezoelectric film element is arranged in the buffer material with the protection function, so that the vibration can be induced, the deformation is generated to generate current, the damage of the piezoelectric element can be avoided, the reliability of the system is improved, and the durability is good.
Drawings
Fig. 1 is a schematic structural view of a vibration energy harvesting apparatus for buildings according to the present invention.
Fig. 2 is a cross-sectional view of the building vibration energy harvesting apparatus of fig. 1 taken along line A-A.
Fig. 3 is a schematic structural diagram of a piezoelectric thin film device according to the present invention.
Fig. 4 is a schematic diagram illustrating the operation of the vibration energy harvesting apparatus of the present invention.
Detailed Description
The invention is further described and illustrated below in conjunction with the examples and drawings, but is not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the building vibration energy harvesting apparatus of the present invention includes: a base structure 1 and a component 2 connected to the base structure 1. The building vibration energy collecting device is particularly suitable for being arranged at the connecting position of different components in a building, such as the connecting position of high-rise building components, the connecting position of bridge components and the like. A mounting plate 3 is fixedly provided on the base structure 1, and a mounting plate 4 is fixedly provided on the member 2 connected to the base structure 1. A mounting seat 5 is fixedly provided on the mounting plate 3, and in this embodiment, the mounting seat 5 is provided in a cylindrical shape with an open upper end, and a lower end of the mounting seat 5 is fixedly connected to the mounting plate 3. The mount 5 may have other shapes other than a cylindrical shape, for example, a square cylinder, an elliptical cylinder, a polygonal cylinder, or the like having an open upper end. Inside the mount 5, a sleeve 6 concentric with the mount 5 is provided. In the case where the mount 5 is cylindrical, the sleeve 6 is a cylindrical sleeve concentric with the mount 5. The upper end opening direction of the sleeve 6 is the same as the upper end opening direction of the mounting seat 5, and the lower end opening can move relative to the base structure 1 and the mounting plate 3. On the surface of the mounting plate 4 of the component 2 corresponding to the mounting plate 3 of the base structure 1, a shaft 7 is fixedly arranged, the shaft 7 is movably inserted into the sleeve 6 from the upper end opening of the sleeve 6, the shaft 7 can move up and down relative to the sleeve 6, and the insertion depth can ensure the connection requirement of the base structure 1 and the component 2, so that the base structure 1 and the component 2 cannot be separated from each other. In order to ensure the structural strength of the building junction, the component mounting plate 3, the mounting plate 4, the mounting seat 5, the sleeve 6 and the shaft 7 are made of materials having a certain strength, for example, structural steel materials meeting the structural strength requirements of the building.
A cushioning material 8 is filled between the mount 5 and the sleeve 6 to form a cushioning structure at the junction. The cushioning material 8 may be selected from cushioning materials commonly used in the construction field, and the present invention is not particularly limited thereto. Meanwhile, in order to ensure connection reliability of the connection, the inner surface of the mount 5 in contact with the cushioning material 8 and the outer surface of the sleeve 6 in contact with the cushioning material 8 are roughened. The cushioning material 8 is connected to the inner surface of the mount 5 and the outer surface of the sleeve 6 by a high temperature vulcanization process. Furthermore, one or more layers of reinforcing plates 9 are provided at a distance between the mounting 5 and the sleeve 6. The reinforcing plate 9 may be made of a material having a certain rigidity and strength, for example, a structural steel plate. By providing the reinforcing plate 9, the rigidity of the cushioning material 8 can be enhanced, so that the connecting structure of the present invention maintains necessary rigidity and connection strength while having a certain flexibility and vibration damping effect, thereby optimizing the connecting structure of the building of the present invention. The reinforcing plate 9 may be provided in one or more layers concentric with the mount 5, and in the case where the mount 5 is cylindrical, the reinforcing plate 9 may be provided in one or more layers concentric with the mount 5.
In order to collect vibrations generated at the junction of the building, one or more piezoelectric elements 10 are embedded in the buffer material 8 between the mounting base 5 and the sleeve 6, and leads (not shown) for conducting electricity are led out from the piezoelectric elements, and the leads are connected with necessary rectifying circuits and energy storage modules for supplying electricity to the electricity-consuming devices or other electricity-consuming devices on the building. In the present invention, the piezoelectric element 10 is constituted by a flexible piezoelectric thin film element 10, and the piezoelectric thin film element 10 includes a multilayer structure. When the piezoelectric thin film element 10 is disposed in the cushioning material 8 between the mount 5 and the sleeve 6, the thickness direction of the piezoelectric thin film element 10 is made to coincide with the radial direction of the mount 5, and correspondingly, the width direction and the length direction thereof are made to coincide with the axial direction and the circumferential direction of the mount 5, respectively. In order to fully utilize the vibration generated at the joints of the building, the present invention provides a plurality of groups of piezoelectric thin film elements 10 in the radial direction of the mount 5, in order to fully utilize the vibration generated at each place in the cushioning material 8. The piezoelectric thin film elements 10 are alternately arranged with the reinforcing plates 9 of the plurality of layers. Meanwhile, in order to further fully utilize the vibration generated at the joints of the building, the vibration generated at each place in the buffer material 8 is also provided with a plurality of groups of piezoelectric thin film elements 10 in the circumferential direction of the mounting seat 5. The piezoelectric thin film elements 10 are uniformly distributed along the circumferential direction of the mount 5.
Next, the structure of the piezoelectric thin film element 10 of the present invention will be specifically described with reference to fig. 3. The viewing direction of fig. 3 is the same as that of fig. 2. In fig. 3, the piezoelectric thin film element 10 of the present invention has a layered structure, and includes a polyvinylidene fluoride film 101 as a piezoelectric material, and the polyvinylidene fluoride film 101 is bonded to a polyimide base film 102 through a nickel-based conductive film 103. The polyimide base film 102 is preset with a certain curvature, and when the polyvinylidene fluoride film 101 is attached to the polyimide base film 102, the same curvature is passively maintained. A nickel-based conductive film 103 is further attached to the outer side of each of the polyvinylidene fluoride film 101 and the polyimide base film 102, and is used for bonding a conductive element and other piezoelectric thin film elements. In order to increase the power output from the piezoelectric element, in practical applications, a plurality of piezoelectric thin film elements 10 may be stacked together, which corresponds to a plurality of power sources connected in parallel, and thus the output power is increased.
The working principle of the present invention is described below with reference to fig. 4. In use of the building vibration energy harvesting apparatus of the present invention, the vibration of the joints of the building causes the one or more piezoelectric elements 10 embedded in the cushioning material 8 to vibrate, thereby generating an electrical current that connects the piezoelectric elements 10 with the necessary rectifying circuitry and energy storage modules for powering the electrical or other electrical devices on the building.
The piezoelectric thin film element 10 is buried in the buffer material 8 at the joint of the building, and the special structure of the mounting seat 5 and the sleeve 6 is adopted, so that the piezoelectric element 10 can induce vibration to generate deformation so as to generate current, the piezoelectric element 10 can be prevented from being damaged, the reliability of the system is improved, and the durability is good.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (5)
1. A building vibration energy harvesting device comprising: the device comprises a base structure (1) and a component (2) connected with the base structure (1), wherein mounting plates (3, 4) are fixedly arranged on the base structure (1) and the component (2) respectively, a mounting seat (5) is fixedly arranged on the mounting plate (3) of the base structure (1), the upper end of the mounting seat (5) is opened, the lower end of the mounting seat is fixedly connected with the mounting plate (3) of the base structure (1), a sleeve (6) concentric with the mounting seat (5) is arranged in the mounting seat (5), the upper end opening direction of the sleeve (6) is the same as the upper end opening direction of the mounting seat (5), the lower end of the sleeve (6) can move relative to the base structure (1), a mounting shaft (7) is fixedly arranged on the mounting plate (4) of the component (2), the shaft (7) can move up and down relative to the sleeve (6), a buffer material (8) is filled between the mounting seat (5) and the sleeve (6), one or more thin film elements (10) are buried in the buffer material (8), and the thin film elements (10) are connected with a piezoelectric circuit module through leads; one or more layers of reinforcing plates (9) are further arranged between the mounting seat (5) and the sleeve (6) at a certain distance, and the reinforcing plates (9) and the mounting seat (5) are concentrically arranged.
2. A building vibration energy harvesting apparatus as defined by claim 1, wherein: the piezoelectric thin film element (10) is of a layered structure, the layered structure comprises a layer of polyvinylidene fluoride thin film (101) serving as a piezoelectric material, the polyvinylidene fluoride thin film (101) is attached to a layer of polyimide matrix film (102) through a layer of nickel-based conductive thin film (103), the outer sides of the polyvinylidene fluoride thin film (101) and the polyimide matrix film (102) are respectively attached to a layer of nickel-based conductive thin film (103), and the piezoelectric thin film element (10) is arranged to be in a certain radian.
3. A building vibration energy harvesting apparatus as defined by claim 1, wherein: the piezoelectric thin film element (10) is formed by stacking a plurality of layered structures.
4. A building vibration energy harvesting apparatus as defined by claim 1, wherein: a plurality of groups of piezoelectric thin film elements (10) are arranged in the radial direction of the mounting seat (5), and the groups of piezoelectric thin film elements (10) are arranged at intervals in a staggered manner with the multi-layer reinforcing plates (9).
5. A building vibration energy harvesting apparatus as defined by claim 1, wherein: the mounting seat (5), the sleeve (6) and the reinforcing plate (9) are all made of structural steel; the inner surface of the mounting seat (5) contacted with the buffer material (8) and the outer surface of the sleeve (6) contacted with the buffer material (8) are roughened; the buffer material (8) is connected with the inner surface of the mounting seat (5) and the outer surface of the sleeve (6) through high-temperature vulcanization treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810496182.4A CN108429489B (en) | 2018-05-22 | 2018-05-22 | Building vibration energy collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810496182.4A CN108429489B (en) | 2018-05-22 | 2018-05-22 | Building vibration energy collecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108429489A CN108429489A (en) | 2018-08-21 |
| CN108429489B true CN108429489B (en) | 2024-01-23 |
Family
ID=63163857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810496182.4A Active CN108429489B (en) | 2018-05-22 | 2018-05-22 | Building vibration energy collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108429489B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109079536A (en) * | 2018-09-29 | 2018-12-25 | 湖南南方通用航空发动机有限公司 | A kind of Thin-Wall Outer Casing vibration damping tooling |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199736A (en) * | 2012-01-09 | 2013-07-10 | 中国科学院上海硅酸盐研究所 | Composite structure piezoelectric energy collector driven by cantilever |
| JP2014011858A (en) * | 2012-06-28 | 2014-01-20 | Kazuto Sedo | Vibration power generating device |
| CN104022686A (en) * | 2014-06-16 | 2014-09-03 | 金陵科技学院 | Impact type piezoelectric vibration energy collecting device |
| CN205681336U (en) * | 2016-06-15 | 2016-11-09 | 浙江师范大学 | A kind of piezo fluid generator |
| CN106230312A (en) * | 2016-08-30 | 2016-12-14 | 长安大学 | A kind of based on the road machine energy collecting device improving electromechanical effect |
| CN107769614A (en) * | 2017-11-02 | 2018-03-06 | 安徽理工大学 | A kind of multi-direction vibrational energy harvester of piezoelectric type |
| CN208143114U (en) * | 2018-05-22 | 2018-11-23 | 北京中微融通科技有限公司 | Vibration of building energy collecting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080074002A1 (en) * | 2006-09-26 | 2008-03-27 | Shashank Priya | Piezoelectric energy harvester |
-
2018
- 2018-05-22 CN CN201810496182.4A patent/CN108429489B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199736A (en) * | 2012-01-09 | 2013-07-10 | 中国科学院上海硅酸盐研究所 | Composite structure piezoelectric energy collector driven by cantilever |
| JP2014011858A (en) * | 2012-06-28 | 2014-01-20 | Kazuto Sedo | Vibration power generating device |
| CN104022686A (en) * | 2014-06-16 | 2014-09-03 | 金陵科技学院 | Impact type piezoelectric vibration energy collecting device |
| CN205681336U (en) * | 2016-06-15 | 2016-11-09 | 浙江师范大学 | A kind of piezo fluid generator |
| CN106230312A (en) * | 2016-08-30 | 2016-12-14 | 长安大学 | A kind of based on the road machine energy collecting device improving electromechanical effect |
| CN107769614A (en) * | 2017-11-02 | 2018-03-06 | 安徽理工大学 | A kind of multi-direction vibrational energy harvester of piezoelectric type |
| CN208143114U (en) * | 2018-05-22 | 2018-11-23 | 北京中微融通科技有限公司 | Vibration of building energy collecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108429489A (en) | 2018-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101938230B (en) | Wave vibration piezoelectric power generation and solar energy combined power generating method and system | |
| CA2715112C (en) | Power harvesting from railways; apparatus system and method | |
| JP6327773B1 (en) | A kind of rubber bearing structure with piezoelectric effect and its power generation system | |
| CN203654673U (en) | Piezoelectric power-generating floor | |
| CN104539192A (en) | Piezoelectric type road vibration energy collecting system | |
| CN202085095U (en) | Piezoelectric energy harvester | |
| CN104883092A (en) | Road-use cement-based material pressure power generation packaging structure | |
| KR100997774B1 (en) | Apparatus for photovoltaic power generating having film type piezoelectric device | |
| CN101814858A (en) | Piezoelectric generating method adapting to railway subgrade surface and track structure | |
| Sun et al. | Designing piezoelectric harvesting unit from road vibration | |
| CN107288820B (en) | A kind of wind power generation plant based on dielectric elastomer | |
| CN206290361U (en) | A kind of ocean wave energy piezoelectric generating device | |
| CN103352816A (en) | Multi-mode energy harvesting system on traffic route | |
| CN204663752U (en) | Oscillating float type piezoelectricity wave transducing energy saving device | |
| KR20110116917A (en) | Generator using piezoelectric plement | |
| CN111130389A (en) | Passive dielectric elastomer wind energy collecting device and application thereof | |
| CN108429489B (en) | Building vibration energy collecting device | |
| CN103490668A (en) | Wind power utilization device based on piezoelectric effect | |
| CN205160177U (en) | Punch press energy recuperation conversion equipment based on piezoceramics electricity generation | |
| CN111140422B (en) | Wave energy power generation facility based on piezoelectric effect | |
| KR20130074722A (en) | Pipe with generating function and generating system using it | |
| CN102570901B (en) | Pressure electricity generation module | |
| KR20150134677A (en) | Power generation apparatus using piezoelectric element stacked by multilayer structure | |
| CN208143114U (en) | Vibration of building energy collecting device | |
| CN205283430U (en) | Hard and soft composite beam wind power generation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |