CN208241594U - Wind energy based on piezoelectric effect captures power generator - Google Patents
Wind energy based on piezoelectric effect captures power generator Download PDFInfo
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- CN208241594U CN208241594U CN201820257429.2U CN201820257429U CN208241594U CN 208241594 U CN208241594 U CN 208241594U CN 201820257429 U CN201820257429 U CN 201820257429U CN 208241594 U CN208241594 U CN 208241594U
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- 230000000694 effects Effects 0.000 title claims abstract description 30
- 239000000919 ceramic Substances 0.000 claims abstract description 32
- 238000010248 power generation Methods 0.000 claims description 55
- 238000003860 storage Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 239000002775 capsule Substances 0.000 claims 1
- 241000883990 Flabellum Species 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 230000005611 electricity Effects 0.000 abstract description 5
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- 238000011161 development Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
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- 230000003116 impacting effect Effects 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
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- Wind Motors (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The utility model provides a kind of wind energy capture power generator based on piezoelectric effect, including at least one first flabellum, shaft member unit, at least one second flabellum, at least one piezoelectric ceramic piece and piezoelectricity storehouse；First flabellum is connect with the shaft member unit；The shaft member unit is successively connect with first flabellum and second flabellum, and is fixedly connected on the piezoelectricity storehouse；Second flabellum is connect with the shaft member unit；The piezoelectric ceramic piece is connect with the piezoelectricity storehouse.A kind of wind energy based on piezoelectric effect provided by the utility model captures power generator, pass through setting flabellum and piezoelectric ceramic piece, wind energy-mechanical energy-elastic potential energy-electric energy conversion may be implemented, technical support is provided for small-sized wind power generator, the problem of generating electricity by way of merging two or more grid systems and provide fundamental basis for gentle breeze, being able to solve the small-sized electricity utilization site electric energy supply difficulty and clean energy of some remote districts.
Description
Technical Field
The utility model relates to a new energy equipment field, more specifically relates to a power generation facility is caught to wind energy based on piezoelectric effect.
Background
The energy is not renewable, and the problems of environmental pollution, ecological deterioration, energy crisis and the like are accompanied. The wind energy is taken as renewable energy, the reserves are abundant, and the wind energy is converted by the wind energy capturing device, so that the electric energy supply is provided for small-sized power utilization places, and the wind energy capturing device has important significance on the sustainable development of the modern society.
With the improvement of electronic technology and energy storage technology, typical applications of small wind power generation such as wind-solar hybrid streetlamps are more and more seen in the field of vision of people, but the parameters of large wind generating sets are generally used, and the low wind speed power generation conditions are often ignored, so that the system capacity design is insufficient. Piezoelectric type power generation facility adopts the piezoelectric material preparation, as novel energy acquisition equipment, has higher energy conversion efficiency, combines energy storage and converting circuit, can reach better wind power generation effect under the low wind speed condition.
The piezoelectric effect refers to the phenomenon of mechanical energy and electric energy conversion in a piezoelectric medium, and the conventional piezoelectric materials include single crystals, piezoelectric ceramics, piezoelectric high molecular polymers, piezoelectric composite materials and the like. When the characteristics of the piezoelectric ceramics are analyzed, mechanical quantity and electrical quantity need to be combined, the piezoelectric ceramics are both elastic bodies and ferroelectrics, so that the piezoelectric ceramics have mechanical effect and electrical effect at the same time, and the characteristics can be described by a piezoelectric equation:
whereinRepresenting the stress σ when the electric field strength E is zero or other constantjContribution to total strain;is stress sigmajZero or other constant. The first equation represents strain + stress + electric field, and the second equation represents potential shift + stress + electric field.
According to the piezoelectric equation, when a certain force is applied to the piezoelectric ceramic, a certain electric energy can be generated.
In recent years, the research of piezoelectric power generation technology has been greatly advanced. The piezoelectric power generation shoes developed in the prior art can respectively generate average power of 1.3mw and 8.4mw at two ends when people walk at the frequency of 0.9 Hz; in the prior art, piezoelectric type navigation identification is also developed, 6 LED lamps can be lightened by electric energy generated by a piezoelectric device, and the visible distance on an actual test road reaches 200 m; in the prior art, a free-falling ball is used for impacting a metal plate with piezoelectric ceramics adhered to the surface, an equivalent circuit model of piezoelectric power generation is designed, and the conversion efficiency is researched, so that the conclusion that the maximum conversion efficiency of the storage method is 35% and is more than 3 times of the conversion efficiency of the solar cell is obtained.
The piezoelectric devices are not suitable for small-sized power utilization places with extremely high space utilization rate and multiplexing indexes in structure and function. In the conventional power generation device, the power generation device generates power in an electromagnetic induction mode mainly through the rotation of a rotor of the generator. These power generation devices are generally suitable for large-scale power generation places, are not suitable for small-scale power generation places, are large and expensive, are inconvenient to replace parts, and generate certain heat energy in the power generation process.
SUMMERY OF THE UTILITY MODEL
The utility model provides an overcome above-mentioned problem one kind and catch power generation facility based on piezoelectric effect's wind energy.
According to an aspect of the present invention, a wind energy capture power generation device based on piezoelectric effect is provided, which includes at least one first fan blade, a shaft unit, at least one second fan blade, at least one piezoelectric ceramic piece and a piezoelectric bin; the first fan blade is connected with the shaft element unit; the shaft element unit is sequentially connected with the first fan blade and the second fan blade and is fixedly connected to the piezoelectric bin; the second fan blade is connected with the shaft element unit; the piezoelectric ceramic piece is connected with the piezoelectric bin.
The utility model provides a pair of power generation facility is caught to wind energy based on piezoelectric effect through setting up flabellum and piezoceramics piece, can realize the conversion of wind energy-mechanical energy-elastic potential energy-electric energy, provides technical support for small-size aerogenerator, and the power generation is incorporated into the power networks for the breeze provides theoretical basis, can solve some remote areas's small-size power consumption place electric energy supply difficulty and the clean problem of energy.
Drawings
Fig. 1 is a schematic front view of a wind energy capture power generation device based on piezoelectric effect according to an embodiment of the present invention;
fig. 2 is a schematic side view of a wind energy capture power generation device based on piezoelectric effect according to an embodiment of the present invention;
FIG. 3 is a schematic view of a darrieus fan blade type in an embodiment of the present invention;
wherein,
1. a first fan blade; 2. A low speed shaft; 3. A speed increasing piece;
4. a high speed shaft; 5. A second fan blade; 6. Piezoelectric ceramic plates;
7. a piezoelectric chamber; 8. A supporting seat; 9. An electric box;
10. a base.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
With the increasing demand of human society for energy, the environmental pollution is becoming more serious and people are more and more conscious of protecting the environment, and the search, development and use of new energy are inevitable trends of future development. The traditional energy supply mode has the defects of short service life, frequent replacement and the like, not only causes the waste of materials and the increase of cost, but also brings environmental pollution. The piezoceramic material has a simple structure, is convenient to process, does not discharge toxic and harmful substances into the environment, has fewer related limiting conditions, and is a novel energy-saving and environment-friendly material.
Fig. 1 is a schematic front view of a wind energy capture power generation device based on piezoelectric effect in an embodiment of the present invention, and fig. 2 is a schematic side view of a wind energy capture power generation device based on piezoelectric effect in an embodiment of the present invention, as shown in fig. 1 and fig. 2, including at least one first fan blade 1, a shaft unit, at least one second fan blade 5, at least one piezoelectric ceramic piece 6, and a piezoelectric bin 7; the first fan blade 1 is connected with the shaft unit and used for receiving and absorbing wind power and converting the wind power into mechanical energy; the shaft unit is sequentially connected with the first fan blade 1 and the second fan blade 5, is fixedly connected to the piezoelectric bin 7, and is used for transmitting the mechanical energy from the first fan blade 1 to the second fan blade 5; the second fan blade 5 is connected with the shaft element unit and is used for transmitting the mechanical energy to the piezoelectric ceramic piece 6; the piezoelectric ceramic piece 6 is connected with the piezoelectric bin 7 and used for receiving the mechanical energy, generating vibration energy based on the mechanical energy and transmitting the vibration energy to the piezoelectric bin 7; and the piezoelectric bin 7 is used for converting the vibration energy into electric energy so as to complete wind energy capture power generation.
Specifically, the at least one first fan blade 1 and the at least one second fan blade 5 are preferably provided in 3 numbers. When the number of the first fan blade 1 and the second fan blade 5 is set to 3, it is preferably set to be uniformly fixedly connected to the shaft unit as shown in fig. 1.
Specifically, the piezoelectric ceramic plates 6 are uniformly and fixedly connected to the inner wall of the piezoelectric chamber 7, the piezoelectric chamber 7 is preferably configured to be annular, and the piezoelectric ceramic plates 6 are preferably configured to be five or more.
It should be noted that the first fan blade 1 is preferably set to be in a darrieus fan blade form, the second fan blade 5 is set on one side of the shaft unit close to the piezoelectric ceramic plate, and the first fan blade 1 is set on the outer side of the shaft unit away from the piezoelectric ceramic plate.
Further, the shaft unit is preferably disposed at the center of the piezoelectric chamber 7, and it should be noted that the shaft unit may be disposed at any position of the piezoelectric chamber 7, but it should be ensured that at least one piezoelectric ceramic plate 6 contacts the second fan blade 5 when the shaft unit rotates.
Further, the working flow of the wind energy capture power generation device based on the piezoelectric effect provided in the embodiment of the present invention is as follows:
the wind energy capture power generation device based on the piezoelectric effect is characterized in that the first fan blade 1 rotates under the driving of wind energy, the second fan blade 5 is driven by the shaft unit to strike the piezoelectric ceramic plates 6 which are uniformly distributed on the piezoelectric bin 7 at a certain frequency, and the piezoelectric ceramic plates 6 vibrate at a certain frequency under the striking of the second fan blade 5 to generate deformation, so that the piezoelectric bin 7 generates electric energy to complete wind energy capture power generation.
It should be noted that the wind energy capture power generation device based on the piezoelectric effect in the embodiment of the present invention is suitable for a low wind speed and micro-miniature power utilization place. The embodiment of the utility model provides an in piezoelectric material set up to piezoceramics piece 6, it is the piezoelectric material of a high energy high density.
The utility model provides a pair of power generation facility is caught to wind energy based on piezoelectric effect through setting up flabellum and piezoceramics piece 6, can realize the conversion of wind energy-mechanical energy-elastic potential energy-electric energy, provides technical support for small-size aerogenerator, and the power generation is incorporated into the power networks for the breeze provides theoretical basis, can solve some remote areas's small-size power consumption place electric energy supply difficulty and the clean problem of energy.
Based on the above embodiment, referring to fig. 1 and fig. 2, the shaft unit includes a low speed shaft 2, a speed increasing member 3, and a high speed shaft 4; the piezoelectric bin 7 comprises a first side plate and a second side plate, the high-speed shaft 4 is connected with the middle parts of the first side plate and the second side plate through bearings, the speed increasing piece 3 is fixedly connected with a threaded hole in the middle part of the first side plate through a bolt, and the low-speed shaft 2 is connected with the speed increasing piece 3; the low-speed shaft 2 is fixedly connected with the at least one first fan blade 1 through a key, and is used for transmitting the mechanical energy from the first fan blade 1 to the speed-increasing part 3; the speed increasing piece 3 is used for amplifying the mechanical energy; the high-speed shaft 4 is fixedly connected with the at least one second fan blade 5 through a key, and is used for transmitting the amplified mechanical energy to the second fan blade 5.
Specifically, the high-speed shaft 4 is connected to the middle portions of the first side plate and the second side plate via bearings, and rotational resistance can be reduced.
Further, the working flow of the wind energy capture power generation device based on the piezoelectric effect provided in the embodiment of the present invention is as follows:
the wind energy capture power generation device based on the piezoelectric effect drives the low-speed shaft 2 to rotate under the driving of wind energy, so that the first fan blade 1 rotates, the rotating speed is increased through the speed increasing device, the high-speed shaft 4 is driven to rotate, the high-speed shaft 4 drives the second fan blade 5 to strike the piezoelectric ceramic plates 6 which are uniformly distributed on the piezoelectric bin 7 at a certain frequency, the piezoelectric ceramic plates 6 vibrate at a certain frequency under the striking of the second fan blade 5 to generate deformation, the piezoelectric bin 7 generates electric energy, and the wind energy capture power generation is completed.
Specifically, the low-speed shaft 2 is fixedly connected with the at least one first fan blade 1 through a key, so that no relative movement between the first fan blade 1 and the low-speed shaft 2 is ensured, and the loss of wind energy is reduced. The high-speed shaft 4 is fixedly connected with the at least one second fan blade 5 through a key so as to ensure the high-speed rotation of the second fan blade 5. The speed-increasing piece 3 is fixedly connected with the threaded hole in the middle of the first side plate through a bolt, and the speed-increasing piece 3 is ensured to be stably fixed on the piezoelectric bin 7.
Based on the above embodiments, the embodiment also refers to fig. 1 and fig. 2, and further includes a supporting seat 8 and a base 10; the piezoelectric bin 7 is fixedly connected to the supporting seat 8; the supporting seat 8 is fixedly connected to the base 10 through the slotted hole of the base 10.
Specifically, the support base 8 is used for supporting the cabin body of the piezoelectric cabin 7, and the base 10 is used for supporting the support base 8 and providing stable support for the wind energy capture device.
Specifically, the supporting seat 8 is configured as a semi-ring shape, is contained outside the lower portion of the annular piezoelectric chamber 7 and is fixedly connected with the piezoelectric chamber 7, and a rectangular supporting plate is arranged at the lowest position of the semi-ring shape and is fixedly connected to the base 10 through a slot hole of the base 10, it should be noted that the rectangular supporting plate is preferably fixedly connected to the center of the base 10 to keep balance.
Further, the base 10 is preferably provided in a truncated cone shape.
The utility model provides a pair of power generation facility is caught to wind energy based on piezoelectric effect through setting up supporting seat 8 and base 10, can support other structures to a stable work platform is provided.
Based on the above embodiments, referring to fig. 1 and fig. 2, in this embodiment, two sides of the base 10 are respectively welded with a rectangular plate including a first through hole, and the first through hole is used for installing an anchor bolt.
The utility model provides a pair of power generation facility is caught to wind energy based on piezoelectric effect through setting up the rectangular plate including first through-hole to and rag bolt, can improve wind energy and catch power generation facility's stability.
Based on the above embodiments, the present embodiment also refers to fig. 1 and fig. 2, and further includes an electrical box 9; the electric box 9 is electrically connected with the piezoelectric bin 7 and used for collecting and storing the electric energy.
Based on the above embodiments, referring to fig. 1 and fig. 2, in this embodiment, a rectangular plate including a second through hole is welded to each of two sides of the electrical box 9, and the second through hole is used for fixing a mounting bolt to the base 10.
The utility model provides a pair of power generation facility is caught to wind energy based on piezoelectric effect through setting up the rectangular plate including the second through-hole, can make electronic box 9 arrange in on base 10 more stably.
Based on the above embodiments, referring to fig. 1 and fig. 2, in this embodiment, the piezoelectric ceramic plate 6 is fixedly connected to the piezoelectric chamber 7 through a hidden groove on the inner wall of the piezoelectric chamber 7.
Specifically, the fixing device is installed at the notch of the blind groove to ensure that the piezoelectric ceramic piece 6 is stably connected with the piezoelectric bin 7 during working.
Based on the above embodiments, referring to fig. 1 and fig. 2, the first fan blade 1 is a darrieus fan blade.
Specifically, the darrieus fan is a lift type fan, and compared with other vertical axis wind turbines, the darrieus fan is higher in wind energy utilization coefficient. Dare fan blades are divided into different types, fig. 3 is a dare fan blade type diagram in the embodiment of the present invention, and please refer to fig. 3 for the dare fan blade in the embodiment.
The utility model provides a pair of power generation facility is caught to wind energy based on piezoelectric effect through setting up first flabellum 1 for reaching reason fan blade, can catch the wind energy by the at utmost.
Based on the above embodiments, referring to fig. 1 and fig. 2, the electric box 9 includes an energy collecting circuit, a rectifying and voltage stabilizing module, and a storage battery module.
Specifically, the piezoelectric ceramic plate 6 and the piezoelectric chamber 7 transmit electric energy to an energy collecting circuit, a rectifying and voltage stabilizing module and a storage battery module in the electric box 9 through high-temperature wires, so as to collect and store the electric energy.
Based on the above embodiments, referring to fig. 1 and fig. 2, the piezoelectric chamber 7 is annular; the base 10 is in a shape of a circular truncated cone.
As a preferred embodiment, the working flow of the wind energy capture power generation device based on the piezoelectric effect provided in the embodiment of the present invention is as follows:
the device is placed in a place with a roof and a tuyere and the like with abundant wind energy, the device is fixed by rectangular fixing pieces welded on the left side and the right side of a circular base 10, wind energy drives a first fan blade 1 which is similar to a Dairy appearance design to rotate, the first fan blade 1 transmits the rotation to a speed-increasing piece 3 through a low-speed shaft 2, the speed-increasing piece 3 transmits the rotating speed after speed increasing to a high-speed shaft 4, the high-speed shaft 4 drives a second fan blade 5 to rotate, the second fan blade 5 rotates and strikes a piezoelectric ceramic piece 6 fixed on a piezoelectric bin 7, the piezoelectric ceramic piece 6 vibrates at a certain frequency under the striking of the second fan blade 5 to generate deformation, the wind energy is converted into electric energy in the piezoelectric bin 7 and is output into an electric box 9 through a high-temperature lead, an energy collecting circuit and a current-stabilizing and voltage-stabilizing module in the electric box 9 convert the electric energy, and the converted electric energy is.
The utility model provides a pair of power generation facility is caught to wind energy based on piezoelectric effect through setting up flabellum and piezoceramics piece 6, can realize the conversion of wind energy-mechanical energy-elastic potential energy-electric energy, has embodied clean, environmental protection, efficient design thought, provides technical support for small-size aerogenerator, for breeze grid-connected electricity generation provides theoretical basis, can solve the problem of some remote areas' small-size power consumption place electric energy supply difficulty and energy cleanness. By providing the support base 8 and the base 10, other structures can be supported to provide a stable work platform. Through the rectangular plate that sets up including first through-hole to and rag bolt, can improve wind energy and catch power generation facility's stability. By providing the rectangular plate including the second through hole, the electric box 9 can be placed on the base 10 more stably. Wind energy can be captured to the greatest extent by setting the first fan blade 1 to be a darrieus fan blade. The wind energy capture power generation device based on the piezoelectric effect has the advantages of environmental protection, high conversion rate, convenience in installation, small heat production quantity and the like. The method provides a new solution for solving the power supply problem of small-sized power utilization places and provides reference for small-sized breeze power generation. The utility model discloses just can realize the electricity generation under the breeze condition to can regard as stand-by power supply's power generation facility, in normal power supply, this power generation facility generates electricity the energy storage, and in the time of having a power failure, the device can outwards supply power.
Finally, the device of the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A wind energy capture power generation device based on a piezoelectric effect is characterized by comprising at least one first fan blade, a shaft element unit, at least one second fan blade, at least one piezoelectric ceramic piece and a piezoelectric bin;
the first fan blade is connected with the shaft element unit; the shaft element unit is sequentially connected with the first fan blade and the second fan blade and is fixedly connected to the piezoelectric bin; the second fan blade is connected with the shaft element unit; the piezoelectric ceramic piece is connected with the piezoelectric bin.
2. The power generation apparatus according to claim 1, wherein the shaft unit includes a low speed shaft, a speed-up member, and a high speed shaft;
the piezoelectric bin comprises a first side plate and a second side plate, the high-speed shaft is connected with the middle parts of the first side plate and the second side plate through bearings, the speed increasing piece is fixedly connected with a threaded hole in the middle part of the first side plate through a bolt, and the low-speed shaft is connected with the speed increasing piece;
the low-speed shaft is fixedly connected with the at least one first fan blade through a key; the high-speed shaft is fixedly connected with the at least one second fan blade through a key.
3. The power generation apparatus of claim 1, further comprising a support base and a base; the piezoelectric bin is fixedly connected to the supporting seat; the supporting seat is fixedly connected to the base through the slotted hole of the base.
4. The power generation device according to claim 3, wherein a rectangular plate including a first through hole is welded to each of both sides of the base, and an anchor bolt is installed on the first through hole.
5. The power generation apparatus of claim 3, further comprising an electrical box; the electric box is electrically connected with the piezoelectric bin and used for collecting and storing electric energy.
6. The power generation device according to claim 5, wherein a rectangular plate comprising a second through hole is welded on each of two sides of the electrical box, and a bolt is installed on the second through hole and is fixedly connected with the base.
7. The power generation device of claim 1, wherein the piezoelectric ceramic plate is fixedly connected with the piezoelectric bin through a hidden groove on the inner wall of the piezoelectric bin.
8. The power generation apparatus of claim 1, wherein the first fan blade is a darrieus fan blade.
9. The power generation device according to claim 5, wherein the inside of the electrical box includes an energy collection circuit, a rectifying and voltage stabilizing module, and a storage battery module.
10. The power generation apparatus of claim 3, wherein the piezoelectric capsule is annular; the base is in a round table shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820257429.2U CN208241594U (en) | 2018-02-13 | 2018-02-13 | Wind energy based on piezoelectric effect captures power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820257429.2U CN208241594U (en) | 2018-02-13 | 2018-02-13 | Wind energy based on piezoelectric effect captures power generator |
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| Publication Number | Publication Date |
|---|---|
| CN208241594U true CN208241594U (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820257429.2U Expired - Fee Related CN208241594U (en) | 2018-02-13 | 2018-02-13 | Wind energy based on piezoelectric effect captures power generator |
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| Country | Link |
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| CN (1) | CN208241594U (en) |
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2018
- 2018-02-13 CN CN201820257429.2U patent/CN208241594U/en not_active Expired - Fee Related
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Granted publication date: 20181214 Termination date: 20200213 |