CN205490239U - Vibration power generation facility flow equalizes during unsettled piezoelectricity cantilever beam - Google Patents
Vibration power generation facility flow equalizes during unsettled piezoelectricity cantilever beam Download PDFInfo
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- CN205490239U CN205490239U CN201620140078.8U CN201620140078U CN205490239U CN 205490239 U CN205490239 U CN 205490239U CN 201620140078 U CN201620140078 U CN 201620140078U CN 205490239 U CN205490239 U CN 205490239U
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- piezoelectric cantilever
- unsettled
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Abstract
The utility model discloses a vibration power generation facility flow equalizes during unsettled piezoelectricity cantilever beam, including the can, be provided with the piezoelectricity cantilever beam in the can, and be provided with resilient means on the lateral surface of can. The utility model relates to a rationally, have simple structure, energy density and electromechanical conversion efficiency are high, and free of electromagnetic interference easily makes the shaping, and is pollution -free, easily realizes the miniaturation, and characteristics such as longe -lived can be for the energy supply of low power consuming product to alleviate the energy shortage problem.
Description
Technical field
This utility model belongs to TRT field, specifically, relates to during a kind of unsettled piezoelectric cantilever equal
Stream vibration generating device.
Background technology
Due to whole world traditional energy problem and environmental protection problem, numerous scholars begin one's study various alternative,
Green energy collection mode.Owing to the development of the energy accumulator such as piezoelectric and piezo-electric generating promotes scholars
Study convenient, more efficient prisoner can device be MEMS, executor and wireless senser and
Some health detection equipment are powered.Surrounding also exists mechanical vibration everywhere, according to resonance and vortex street
Principle vibrational energy is converted electric energy and carries out collection of energy, can be the low power consumings such as underwater wireless sensor
Product energy supply.
Vortex-induced vibration is a kind of physical phenomenon the most common in nature, is also a kind of typical self-excited vibration,
It is widely present in fluid motion.When fluid can produce periodically Vortex Shedding through bluff body, form vortex street,
Make structure be subject to and flow to vertical cycled pneumatic power, and then the oscillation crosswise of excitation structure.
Piezoelectric type vibration energy collection technology is to utilize piezoelectric or device by surrounding or aeroelasticity
Vibrational energy is converted to the technology of electric energy, its simple in construction, and energy density and electromechanical conversion efficiency are high, without electricity
Magnetic disturbance, it is easy to make molding, pollution-free, it is easy to accomplish miniaturization, the feature such as life-span length, become a lot
The hot issue that scholars study.If, with piezoelectric, vortex-induced vibration energy is converted to electric energy, then may be used
Think the energy supply of low power consuming product, thus alleviate energy shortage problem.
So, for the technician, it would be highly desirable to when the problem of solution is to develop a kind of unsettled piezoelectric cantilever
Current-sharing vibration generating device, reasonable in design, there is simple in construction, energy density and electromechanical conversion efficiency high,
Without electromagnetic interference, it is easy to make molding, pollution-free, it is easy to accomplish miniaturization, the feature such as life-span length is permissible
For the energy supply of low power consuming product, thus alleviate energy shortage problem.
Utility model content
The technical problems to be solved in the utility model is to overcome drawbacks described above, it is provided that a kind of unsettled piezoelectric cantilever
Shi Junliu vibration generating device, reasonable in design, there is simple in construction, energy density and electromechanical conversion efficiency high,
Without electromagnetic interference, it is easy to make molding, pollution-free, it is easy to accomplish miniaturization, the feature such as life-span length is permissible
For the energy supply of low power consuming product, thus alleviate energy shortage problem.
For solving the problems referred to above, this utility model be the technical scheme is that
Current-sharing vibration generating device during a kind of unsettled piezoelectric cantilever, it is characterised in that: include sealing shell,
It is provided with in sealing shell on piezoelectric cantilever, and the lateral surface of sealing shell and is provided with elastic device.
As the technical scheme of a kind of optimization, described sealing shell is sealed cylinder；Described sealed cylinder is thin
Wall cylinder, and sealed cylinder length diameter group length is big.
As the technical scheme of a kind of optimization, it is interior and axial that described piezoelectric cantilever includes being connected to seal shell
The substrate arranged, the top of substrate connects has piezoelectric ceramic piece, bottom to be provided with mass.
As the technical scheme of a kind of optimization, described substrate is rectangle copper base.
As the technical scheme of a kind of optimization, described elastic device includes being arranged on sealing outer side face
Some springs.
Owing to have employed technique scheme, compared with prior art, this utility model is reasonable in design, has
Simple in construction, energy density and electromechanical conversion efficiency are high, without electromagnetic interference, it is easy to make molding, pollution-free,
It is easily achieved the features such as miniaturization, life-span length, can be the energy supply of low power consuming product, thus it is short to alleviate the energy
Lack problem.
The utility model is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of this utility model.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is expanded on further, it should be appreciated that these embodiments are only used
In this utility model being described rather than limiting scope of the present utility model.In addition, it is to be understood that reading this
After the content that utility model is lectured, this utility model can be made various change or repair by those skilled in the art
Changing, these equivalent form of values also fall within application appended claims limited range.
Embodiment:
As it is shown in figure 1, current-sharing vibration generating device during a kind of unsettled piezoelectric cantilever, including sealing shell 2,
It is provided with in sealing shell 2 on piezoelectric cantilever, and the lateral surface of sealing shell and is provided with elastic device.
In the present embodiment, described sealing shell 2 is in sealed cylinder；Described sealed cylinder is thin cylinder,
And sealed cylinder length diameter group length is big.
Described piezoelectric cantilever includes being connected to seal the substrate 3 that shell is interior and axially arranged, the top of substrate 3
Connecting and have piezoelectric ceramic piece 4, bottom is provided with mass 5.
In the present embodiment, described substrate 3 is rectangle copper base.Described elastic device includes being arranged on sealing
Some springs 1 on outer side face.
This utility model is reasonable in design, has simple in construction, energy density and electromechanical conversion efficiency high, without electricity
Magnetic disturbance, it is easy to make molding, pollution-free, it is easy to accomplish miniaturization, the feature such as life-span length, can be low
The energy supply of energy-consuming product, thus alleviate energy shortage problem.
This utility model applicable band has sizable raising for other devices, as crossed before device
Plus cylinder or the pillar of other shapes, frequency band range can be improved further.
This utility model uses built-in piezoelectric patches, and the insulation erosion that thus can solve the existence of other devices is asked
Topic, can improve the service life of device, reduces cost.
For the device of external piezoelectric patches, this utility model has again following advantage: improve residing
The repellence of the erosion of environment, extends the life-span, cost-effective；Flow field shadow to device can be greatly reduced
Ring, it is ensured that the stable operation of device.
Design of the present utility model can work under multivariant state, has the suitableeest than other types
By scope, it is possible to achieve set of device has more use, resource utilization is improved.
This utility model is not limited to above-mentioned preferred implementation, and anyone should learn at this utility model
Enlightenment under the structure change made, every have with this utility model same or like as technical scheme,
Belong to protection domain of the present utility model.This device itself uses cylinder but is not limited only to cylinder, can also be used with
Square tube, irregular cylinder etc. replace cylinder, equally can realize identical effect.
Claims (5)
1. current-sharing vibration generating device during a unsettled piezoelectric cantilever, it is characterised in that: include sealing shell,
It is provided with in sealing shell on piezoelectric cantilever, and the lateral surface of sealing shell and is provided with elastic device.
Current-sharing vibration generating device during unsettled piezoelectric cantilever the most according to claim 1, its feature exists
In: described sealing shell is sealed cylinder；Described sealed cylinder is thin cylinder, and sealed cylinder length ratio
Diameter length is big.
Current-sharing vibration generating device during unsettled piezoelectric cantilever the most according to claim 2, its feature exists
In；Described piezoelectric cantilever includes being connected to seal the substrate that shell is interior and axially arranged, and the top of substrate is even
Being connected to piezoelectric ceramic piece, bottom is provided with mass.
Current-sharing vibration generating device during unsettled piezoelectric cantilever the most according to claim 3, its feature exists
In: described substrate is rectangle copper base.
Current-sharing vibration generating device during unsettled piezoelectric cantilever the most according to claim 1, its feature exists
In: described elastic device includes being arranged on the some springs sealed on outer side face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620140078.8U CN205490239U (en) | 2016-02-20 | 2016-02-20 | Vibration power generation facility flow equalizes during unsettled piezoelectricity cantilever beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620140078.8U CN205490239U (en) | 2016-02-20 | 2016-02-20 | Vibration power generation facility flow equalizes during unsettled piezoelectricity cantilever beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205490239U true CN205490239U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620140078.8U Expired - Fee Related CN205490239U (en) | 2016-02-20 | 2016-02-20 | Vibration power generation facility flow equalizes during unsettled piezoelectricity cantilever beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205490239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452181A (en) * | 2016-12-12 | 2017-02-22 | 上海大学 | Wind-induced vibration energy collector based on multi-cylinder wake excitation |
-
2016
- 2016-02-20 CN CN201620140078.8U patent/CN205490239U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452181A (en) * | 2016-12-12 | 2017-02-22 | 上海大学 | Wind-induced vibration energy collector based on multi-cylinder wake excitation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20210220 |