CN207977908U - Noise piezoelectric power generation system for electromechanical equipment case - Google Patents
- ️Tue Oct 16 2018
CN207977908U - Noise piezoelectric power generation system for electromechanical equipment case - Google Patents
Noise piezoelectric power generation system for electromechanical equipment case Download PDFInfo
-
Publication number
- CN207977908U CN207977908U CN201820282387.8U CN201820282387U CN207977908U CN 207977908 U CN207977908 U CN 207977908U CN 201820282387 U CN201820282387 U CN 201820282387U CN 207977908 U CN207977908 U CN 207977908U Authority
- CN
- China Prior art keywords
- electromechanical equipment
- piezoelectric
- noise
- power generation
- generation system Prior art date
- 2018-02-28 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.)
- Expired - Fee Related
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 47
- 230000007704 transition Effects 0.000 claims description 10
- 239000011491 glass wool Substances 0.000 claims description 5
- 229910052602 gypsum Inorganic materials 0.000 claims description 5
- 239000010440 gypsum Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 2
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229920000891 common polymer Polymers 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Wind Motors (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The utility model provides a kind of noise piezoelectric power generation system for electromechanical equipment case, by being used as between the electromechanical equipment of noise source and electromechanical equipment case, wavy piezoelectric patches is set, it enables electromechanical equipment operational vibration and generates noise sound wave, the noise sound wave propagates to piezoelectric patches in electromechanical equipment case inner space, so that piezoelectric patches repeated deformation by the noise acoustic vibration is compressed wavelike structure and is formed electric energy and exports to the current adjusting device；Whereby, it realizes and is absorbed using piezoelectric patches and noise sound wave is converted into electric energy output storage, solve the technical issues of a large amount of noise sound waves that current electromechanical equipment generates fail to be utilized, realize structure simplify, noise piezoelectric power generation system widely used and that there is sound-absorbing and generating function simultaneously.
Description
Technical Field
The utility model relates to a noise power generation technical field relates to piezoelectric type noise power generation facility particularly, indicates a noise piezoelectric power generation system who is used for electromechanical device case especially.
Background
Because the demand of the modern industrialized society for energy is getting bigger and bigger, the problem of energy crisis also draws more and more attention of people. In recent years, research has focused on the utilization of potential energy sources available in the environment, including solar, thermal, mechanical, chemical, biological, and acoustic energy.
The noise pollution is harmful to human life and health, the noise source is very wide, and the common noise sources include machine noise, traffic noise, fan noise, exhaust noise and the like. Noise is also a potential energy source with a considerable energy value. For example, a jet aircraft with noise up to 160dB has an acoustic power of about 10 KW; the sound power of a large blower with the noise reaching 140dB is 100W, and the noise generated by sound sources of other various conditions such as automobiles, audios and the like also has a large energy value.
It is also worth noting that the building electromechanical devices have the characteristics of obvious noise and large vibration. The machine rooms of the building electromechanical devices are respectively provided with a refrigerating unit, an air conditioning circulating water pump, an air processing unit, various fans, a cooling tower, a transformer, heating ventilation, water supply and drainage and other power electromechanical devices, all the devices can cause the device parts to generate forced vibration due to rotating inertia force and disturbance force generated by eccentric unbalance during operation, vibration and noise are generated through the connection parts of the device base, the pipeline and the building, and the noise is radiated to the surrounding space in the form of solid and air sound waves to be transmitted. However, the large amount of vibration and noise energy generated by these building electromechanical devices is not effectively utilized at present, and is subject to further improvement.
SUMMERY OF THE UTILITY MODEL
In view of the above circumstances, the utility model provides a noise piezoelectricity power generation system for electromechanical device case through set up wavy piezoelectric patches between electromechanical device (noise source) and electromechanical device case to absorb and convert the noise sound wave into the electric energy output storage, solved the technical problem that a large amount of noise sound waves that present electromechanical device produced are failed to be utilized, realize that the structure is retrencied, the usage is extensive and have the noise piezoelectricity power generation system who inhales sound and generate electricity function simultaneously.
In order to achieve the above object, the present invention adopts the technical solution of providing a noise piezoelectric power generation system for an electromechanical device box, which includes a noise source and a piezoelectric power generation device, wherein the noise source is an electromechanical device, and the piezoelectric power generation device includes a piezoelectric patch, a current adjustment device and a storage battery; wherein the noise piezoelectric power generation system further comprises: the electromechanical equipment box is internally provided with the noise source; the piezoelectric sheet is arranged along the inner wall surface of the electromechanical equipment box and surrounds the noise source, the piezoelectric sheet is formed into a wavy sheet structure, a first deformation part facing the inner wall surface of the electromechanical equipment box and a second deformation part facing the noise source are formed at the bending part of the piezoelectric sheet, and the first deformation part and the second deformation part are connected through a transition part; the storage battery is arranged outside the electromechanical equipment box and is electrically connected with the piezoelectric sheet through the current adjusting device.
The utility model discloses in the embodiment of noise piezoelectric power generation system, the first deformation portion and the second deformation portion of piezoelectric patch take shape to the structure of angularity, the transition portion takes shape to planar structure and connects in the first deformation portion reaches between the second deformation portion.
In an embodiment of the noise piezoelectric power generating system, the first deformation portion and the second deformation portion of the piezoelectric sheet are formed into circular arc-shaped structures, and the transition portion is formed into an S-shaped curved surface structure and connected between the first deformation portion and the second deformation portion.
In the embodiment of the noise piezoelectric power generation system of the utility model, the electromechanical equipment box is shaped as a rectangular box body and is provided with four vertical walls to form a square space; the noise source is a fan, and the fan comprises a fan body, a first pipeline and a second pipeline which are connected to two ends of the fan body; the fan body is accommodated in the square space, one end of the first pipeline and one end of the second pipeline are respectively connected with the fan body, and the other end of the first pipeline and the other end of the second pipeline penetrate through one of the vertical walls; the piezoelectric sheet is arranged along the inner wall surface of the vertical wall, and a hollowed area is formed at the position, corresponding to the first pipeline and the second pipeline, of the piezoelectric sheet.
In an embodiment of the noise piezoelectric power generating system of the present invention, the peripheral wall of the electromechanical device box includes a glass wool layer disposed on the inner layer and a sound insulation gypsum board disposed on the outer layer.
In an embodiment of the noise piezoelectric power generation system of the present invention, the current adjusting device of the piezoelectric power generation device is disposed inside the electromechanical device box and electrically connected to the piezoelectric plate; the storage battery penetrates through the electromechanical equipment box through a lead and is electrically connected with the current adjusting device.
The utility model discloses owing to adopted above technical scheme, make it have following beneficial effect:
(1) the utility model discloses noise piezoelectric power generation system sets up piezoelectric power generation device and electromechanical device case through setting up around the noise source that electromechanical device constitutes, utilizes the wavy piezoelectric patches that sets up along electromechanical device case internal face, can realize noise absorption simultaneously and convert the noise sound wave into the technical effect that the electric energy supplied output to use.
(2) The technical proposal of the utility model can directly arrange the piezoelectric sheet of the piezoelectric power generation device inside the existing electromechanical equipment box and then connect with the current adjusting device and the storage battery, and can also arrange the piezoelectric power generation device after additionally arranging the electromechanical equipment box around any electromechanical equipment which can generate noise; the utility model discloses have the technical effect that the structure is retrencied, the usage is extensive, low cost and easy to carry out.
(3) The utility model discloses a noise piezoelectricity power generation system can realize for low-power load power supply or for battery charging, has solved the energy and has lacked, realizes energy recuperation and utilizes, has very big application prospect.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description and appended claims, and may be realized by means of the instrumentalities, devices and combinations particularly pointed out in the appended claims.
Drawings
Fig. 1 is a schematic perspective view of the noise piezoelectric power generation system of the present invention.
Fig. 2 is a schematic structural plan view of the noise piezoelectric power generation system of the present invention.
Fig. 3 is a schematic structural diagram of a first embodiment of the piezoelectric patch of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of the piezoelectric patch of the present invention.
The correspondence of reference numerals to components is as follows:
a noise source 10; a blower body 11; a first pipe 12; a piezoelectric power generation device 20; a piezoelectric sheet 21; the first deformation portion 211; the second deforming portion 212; a transition portion 213; a current adjusting device 22; a storage battery 23; a lead wire 24; an electromechanical equipment cabinet 30; an inner wall surface 31; a vertical wall 32; a glass wool layer 33; a sound-insulating gypsum board 34.
Detailed Description
Detailed embodiments of the present invention will be disclosed herein. It is to be understood, however, that the disclosed embodiments are merely exemplary of the invention and that the invention may be embodied in various and alternative forms. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.
To facilitate understanding of the present invention, please refer to fig. 1 to 4, the present invention provides a specific embodiment of a noise piezoelectric power generation system for an electromechanical device box, which is described below with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the noise piezoelectric power generation system of the present invention includes a noise source 10, a piezoelectric power generation device 20, and an electromechanical device box 30. The utility model discloses an enclose electromechanical device case 30 and locate around the noise source 10 to along electromechanical device case 30 inboard setting piezoelectric power generation device 20, when the noise sound wave that makes noise source 10 produce was inside the transmission of electromechanical device case 30, absorbed by piezoelectric power generation device 20's wavy piezoelectric patches 21, and then make piezoelectric patches 21 receive noise sound wave vibration and the wave-like structure of repeated deformation compression and formation electric energy output.
In the embodiment of the present invention, the noise source 10 refers to an electromechanical device, especially refers to a building electromechanical device that can generate a large amount of noise, but is not limited thereto, the present invention discloses a noise piezoelectric power generation system can also be applied to other electromechanical devices that can generate a large amount of noise. Specifically, fig. 1 and fig. 2 show schematic diagrams of an embodiment of the present invention that adopts a fan as the noise source 10.
In the embodiment of the present invention, the piezoelectric power generating device 20 includes a piezoelectric sheet 21, a current adjusting device 22 and a storage battery 23. The piezoelectric sheet 21 is arranged along the inner wall surface 31 of the electromechanical device box 30 and surrounds the noise source 10, the piezoelectric sheet 21 is formed into a wavy sheet structure, a first deformation portion 211 facing the inner wall surface 31 of the electromechanical device box 30 and a second deformation portion 212 facing the noise source 10 are formed at the bending position of the piezoelectric sheet 21, and the first deformation portion 211 and the second deformation portion 212 are connected through a transition portion 213.
As shown in fig. 3 and 4, the wavy piezoelectric patch 21 of the present invention includes at least two embodiments. As shown in fig. 3, the first deformation portion 211 and the second deformation portion 212 of the piezoelectric sheet 21 are formed in a pointed structure, and the transition portion 213 is formed in a planar structure and connected between the first deformation portion 211 and the second deformation portion 212. Alternatively, as shown in fig. 4, the first deformation portion 211 and the second deformation portion 212 of the piezoelectric sheet 21 are formed in an arc-shaped structure, and the transition portion 213 is formed in an S-shaped curved structure and connected between the first deformation portion 211 and the second deformation portion 212; in this embodiment, the S-shaped curved surface structure may further form a third deformation portion of the piezoelectric sheet 21, so as to improve the power generation efficiency.
In the embodiment of the present invention, the wavy piezoelectric sheet 21 is formed by disposing piezoelectric composite material or piezoelectric polymer material on two opposite surfaces of the substrate. Wherein,
the piezoelectric composite material is a piezoelectric material formed by compounding two or more materials. The piezoelectric composite material can be specifically a two-phase composite material of piezoelectric ceramics and polymers (such as polyvinylidene fluoride active epoxy resin); the composite material has the advantages of piezoelectric ceramics and polymers, has good flexibility and processability, and has the characteristics of low density and high piezoelectric constant. The piezoelectric polymer material is usually compounded by a polymer matrix and inorganic piezoelectric powder; the polymer matrix can be various common polymer materials with excellent physical and chemical properties, and can also be special polymers with piezoelectric properties, and the piezoelectric polymer matrix can be specifically selected from materials comprising polyvinylidene fluoride, nylon, polyvinyl chloride, polymethyl methacrylate or polypropylene; the inorganic piezoelectric material is mainly a ferroelectric ceramic powder of PZT (lead zirconate titanate ceramic).
In the embodiment of the present invention, the electromechanical device box 30 may be a protection box already surrounded around the electromechanical device, or may be a box installed additionally; as long as have sufficient space setting between electromechanical device case 30 and noise source 10 wavy piezoelectric patches 21 all can be applied to the utility model is used for among electromechanical device case's the noise piezoelectric power generation system.
As shown in fig. 1 and 2, a schematic view of an embodiment of an electromechanical equipment box 30 and a piezoelectric power generator 20 provided around a fan (noise source 10) is shown. The electromechanical equipment box 30 is a rectangular box body, and is provided with four vertical walls 32 which surround to form a square space; the noise source 10 is a fan, and the fan comprises a fan body 11, and a first pipeline 12 and a second pipeline 13 connected to two ends of the fan body 11; the fan body 11 is accommodated in the square space, one end of each of the first pipeline 12 and the second pipeline 13 is connected with the fan body 11, and the other end of each of the first pipeline and the second pipeline penetrates through one of the vertical walls 32; the piezoelectric sheet 21 is disposed along the inner wall surface 31 of the vertical wall 32, and a hollow area is formed at a position of the piezoelectric sheet 21 corresponding to the first pipe 12 and the second pipe 13 for the first pipe 12 and the second pipe 13 to pass through. Specifically, in the embodiment of the present invention, the first pipe 12 and the second pipe 13 are connected to two opposite ends of the blower body 11 in a straight line arrangement.
It should be understood that, in the embodiment of the present invention, the structure of the noise source 10 is not limited to the foregoing, and the piezoelectric power generating device 20 and the electromechanical device box 30 can be arranged and adjusted according to the specific structural composition of the noise source 10, so as to achieve the purpose of enclosing the electromechanical device box 30 and the piezoelectric plate 21 around the noise source 10 for sound absorption and sound-electricity conversion.
Further, in order to ensure the sound absorption effect of the electromechanical device box 30, the circumferential wall of the electromechanical device box 30 may include a glass wool layer 33 disposed on the inner layer and a sound insulation gypsum board 34 disposed on the outer layer, so that after the noise sound wave passes through the wavy piezoelectric sheet 21, the noise sound wave is further sequentially absorbed by the glass wool layer 33 and the sound insulation gypsum board 34, and a good sound absorption effect is achieved while piezoelectric power generation is performed.
In the embodiment of the present invention, as shown in fig. 2, the current adjusting device 22 of the piezoelectric power generating device 20 is disposed inside the electromechanical device box 30 and electrically connected to the piezoelectric sheet 21; the storage battery 23 penetrates the electromechanical device box 30 through a lead 24 to be electrically connected with the current adjusting device 22.
The present invention has been described with reference to the above embodiments, and the following description refers to fig. 1 and fig. 2 to explain the power generation method of the present invention. The method comprises the following steps:
arranging an electromechanical equipment box: arranging an electromechanical equipment box 30 around the periphery of a noise source 10, wherein the noise source 10 is electromechanical equipment;
arranging the piezoelectric sheets: arranging a wavy piezoelectric sheet 21 along the inner wall surface 31 of the electromechanical equipment box 30 to surround the periphery of the noise source 10, and electrically connecting the piezoelectric sheet 21 with the current adjusting device 22 and the storage battery 23 in sequence;
a noise power generation step: starting working vibration of a noise source 10 and generating noise sound waves, wherein the noise sound waves are transmitted to the piezoelectric sheet 21 in the internal space of the electromechanical equipment box 30, so that the piezoelectric sheet 21 repeatedly deforms and compresses a wavy structure through vibration of the noise sound waves and forms electric energy to be output to the current adjusting device 22;
a power storage step: the electric energy is adjusted by the current adjusting device 22 and then output to the storage battery 23 for storage.
To sum up, the utility model discloses an aforementioned technical scheme utilizes the noise energy that electromechanical device vibration produced to pass through piezoelectric material and convert the electric energy into to realize the collection utilization of energy. The utility model discloses have that the structure is retrencied, the usage is extensive, have simultaneously inhale sound and power generation function, high-efficient environmental protection, energy can be regenerated, with low costs, easily realize etc. technical effect, have high popularization prospect.
The present invention has been described in detail with reference to the drawings and the embodiments, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (6)
1. A noise piezoelectric power generation system for an electromechanical equipment box comprises a noise source and a piezoelectric power generation device, wherein the noise source is electromechanical equipment, and the piezoelectric power generation device comprises a piezoelectric sheet, a current adjusting device and a storage battery; characterized in that, the noise piezoelectric power generation system further includes:
the electromechanical equipment box is internally provided with the noise source;
the piezoelectric sheet is arranged along the inner wall surface of the electromechanical equipment box and surrounds the noise source, the piezoelectric sheet is formed into a wavy sheet structure, a first deformation part facing the inner wall surface of the electromechanical equipment box and a second deformation part facing the noise source are formed at the bending part of the piezoelectric sheet, and the first deformation part and the second deformation part are connected through a transition part;
the storage battery is arranged outside the electromechanical equipment box and is electrically connected with the piezoelectric sheet through the current adjusting device.
2. The noisy piezoelectric power generation system for an electromechanical equipment cabinet according to claim 1, characterized in that:
the first deformation part and the second deformation part of the piezoelectric sheet are formed into sharp-horn structures, and the transition part is formed into a plane structure and connected between the first deformation part and the second deformation part.
3. The noisy piezoelectric power generation system for an electromechanical equipment cabinet according to claim 1, characterized in that:
the first deformation part and the second deformation part of the piezoelectric sheet are formed into arc-shaped structures, and the transition part is formed into an S-shaped curved surface structure and connected between the first deformation part and the second deformation part.
4. The noisy piezoelectric power generation system for an electromechanical equipment cabinet according to claim 1, characterized in that:
the electromechanical equipment box is formed into a rectangular box body and is provided with four vertical walls which are arranged in an enclosing manner to form a square space;
the noise source is a fan, and the fan comprises a fan body, a first pipeline and a second pipeline which are connected to two ends of the fan body; the fan body is accommodated in the square space, one end of the first pipeline and one end of the second pipeline are respectively connected with the fan body, and the other end of the first pipeline and the other end of the second pipeline penetrate through one of the vertical walls;
the piezoelectric sheet is arranged along the inner wall surface of the vertical wall, and a hollowed area is formed at the position, corresponding to the first pipeline and the second pipeline, of the piezoelectric sheet.
5. The noisy piezoelectric power generation system for an electromechanical equipment box according to any one of claims 1 to 4, characterized in that:
the circumferential wall of the electromechanical equipment box comprises a glass wool layer arranged on the inner layer and a sound insulation gypsum board arranged on the outer layer.
6. The noisy piezoelectric power generation system for an electromechanical equipment box according to any one of claims 1 to 4, characterized in that:
the current adjusting device of the piezoelectric power generation device is arranged in the electromechanical equipment box and is electrically connected with the piezoelectric sheet; the storage battery penetrates through the electromechanical equipment box through a lead and is electrically connected with the current adjusting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820282387.8U CN207977908U (en) | 2018-02-28 | 2018-02-28 | Noise piezoelectric power generation system for electromechanical equipment case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820282387.8U CN207977908U (en) | 2018-02-28 | 2018-02-28 | Noise piezoelectric power generation system for electromechanical equipment case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207977908U true CN207977908U (en) | 2018-10-16 |
Family
ID=63768055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820282387.8U Expired - Fee Related CN207977908U (en) | 2018-02-28 | 2018-02-28 | Noise piezoelectric power generation system for electromechanical equipment case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207977908U (en) |
Cited By (1)
* Cited by examiner, † Cited by third party| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282111A (en) * | 2018-02-28 | 2018-07-13 | 中国建筑第八工程局有限公司 | Noise piezoelectric power generation system and its electricity-generating method for electromechanical equipment case |
-
2018
- 2018-02-28 CN CN201820282387.8U patent/CN207977908U/en not_active Expired - Fee Related
Cited By (1)
* Cited by examiner, † Cited by third party| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282111A (en) * | 2018-02-28 | 2018-07-13 | 中国建筑第八工程局有限公司 | Noise piezoelectric power generation system and its electricity-generating method for electromechanical equipment case |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20100164231A1 (en) | 2010-07-01 | Aerodynamic Vibration Power-Generation Device |
| CN108831432B (en) | 2023-05-23 | A Broadband Airborne Noise Energy Harvesting Surface Material |
| CN101272109A (en) | 2008-09-24 | A broadband piezoelectric vibration power generation device |
| CN111049426A (en) | 2020-04-21 | A piezoelectric multi-directional, broadband vibration energy harvesting device |
| CN205451449U (en) | 2016-08-10 | Utilize self -power wireless switch of piezoceramics vibration electricity generation |
| CN103762895A (en) | 2014-04-30 | Piezoelectric type wind power generation system on building outer wall |
| CN110572076B (en) | 2021-06-08 | Multi-direction piezoelectric vibration energy collecting device |
| CN207977908U (en) | 2018-10-16 | Noise piezoelectric power generation system for electromechanical equipment case |
| CN111911333A (en) | 2020-11-10 | A high-efficiency piezoelectric-controlled nano-friction wave energy power generation device |
| CN202652105U (en) | 2013-01-02 | A compound noise generator |
| CN205911968U (en) | 2017-01-25 | Noise electricity generator |
| CN108282111A (en) | 2018-07-13 | Noise piezoelectric power generation system and its electricity-generating method for electromechanical equipment case |
| KR20110062219A (en) | 2011-06-10 | Ultrasonic Based Wireless Power Transmission System |
| CN106208808B (en) | 2018-01-02 | A kind of noise power generator and method based on the conduction of people's otica chain type |
| CN201586334U (en) | 2010-09-22 | Ultrasonic transducer |
| CN110138272A (en) | 2019-08-16 | A kind of non-linear three-dimensional part Whole frequency band piezoelectricity low amplitude vibration energy accumulator |
| CN207135007U (en) | 2018-03-23 | A Hydrometeorological Buoy Station Based on Piezoelectric Energy Harvesting |
| CN205283430U (en) | 2016-06-01 | A rigid-flexible composite beam wind power generation device |
| CN203119792U (en) | 2013-08-07 | Piezoelectric energy harvesting unit |
| CN103457508A (en) | 2013-12-18 | Workshop lighting suspended ceiling based on acoustical-electrical conversion |
| CN111245293A (en) | 2020-06-05 | A kind of elastic vibration type wind power generation device |
| CN210839393U (en) | 2020-06-23 | A bottle-shaped sound-electric conversion power generation device |
| CN103628381A (en) | 2014-03-12 | Power generation floor based on piezoelectric material |
| CN109450294B (en) | 2024-01-19 | Scallop type wind vibration power generation device |
| CN209088839U (en) | 2019-07-09 | Scallop-shaped wind vibration power generation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 2018-10-16 | GR01 | Patent grant | |
| 2018-10-16 | GR01 | Patent grant | |
| 2024-03-15 | CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181016 |
| 2024-03-15 | CF01 | Termination of patent right due to non-payment of annual fee |