CN205509891U - Cantilever beam vibration power generation facility based on under tunnel wind environment - Google Patents
Cantilever beam vibration power generation facility based on under tunnel wind environment Download PDFInfo
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- CN205509891U CN205509891U CN201620110190.7U CN201620110190U CN205509891U CN 205509891 U CN205509891 U CN 205509891U CN 201620110190 U CN201620110190 U CN 201620110190U CN 205509891 U CN205509891 U CN 205509891U
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- piezoelectric patches
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Abstract
The utility model provides a cantilever beam vibration power generation facility based on under tunnel wind environment, including the cantilever beam, the one end fixed mounting of cantilever beam is on the support, the support passes through the spud pile to be fixed in the tunnel, be equipped with piezoelectricity electrical cell and electric power collector unit on the cantilever beam, piezoelectricity electrical cell closely laminates with the cantilever beam, thereby be equipped with the piezoelectric patches that can produce the electric energy along with cantilever beam vibration deformation in the piezoelectricity electrical cell, the piezoelectric patches is connected to the electric power collector unit. The utility model discloses under the prerequisite that does not influence the tunnel traffic, the wind energy resources of abundance in the make full use of tunnel promotes to realize the green traffic in the tunnel.
Description
Technical field
This utility model relates to cantilever beam vibration generating device.
Background technology
For a long time, the topic that continuable natural resources and utilization of energy are the most constantly inquired into.Along with world today's energy constantly consumes, exploitation novel energy material will be the new direction of future technology and engineering development.Piezoelectric, as new-generation material, provides new approaches for generation mode.It will make its deformation produced generate electricity by some natural agenies such as wind-force, by continue, repeatedly deformation will produce appreciable electric energy.
Development along with traffic, the development and utilization in tunnel occupies critical role in traffic, and more electrical equipment is installed owing to its particularity generally requires ratio ordinary road in tunnel, such as, ventilate, illuminate, road monitoring etc., and the electricity consumption in tunnel typically requires from extraneous wiring, work progress is complicated.
And according to traffic practical situation, tunnel due to its geogen and traffic circulation, wherein suitable objective of produced wind-force, at present for, this part wind-force can only become the resistance of traffic, it is impossible to is utilized, and is the huge waste of a kind of energy.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of based on the cantilever beam vibration generating device under tunnel wind environment, and it can utilize collection cantilever beam structure deformation generating, and collects storage electric energy.This utility model cantilever beam vibration generating device can be placed in tunnel, do not affect tunnel current in the case of, utilize the wind energy in tunnel well.
This utility model solves technical problem and is adopted the technical scheme that:
The TRT vibrated based on the cantilever beam under tunnel wind environment, including cantilever beam, one end of described cantilever beam is fixedly mounted on bearing, described bearing is fixed in tunnel by spud pile, described cantilever beam is provided with piezo-electric generating unit and power collection unit, described piezo-electric generating unit fits tightly with cantilever beam, be provided with in described piezo-electric generating unit can with cantilever beam vibration deformation thus produce the piezoelectric patches of electric energy, described piezoelectric patches is connected to described power collection unit.
While using technique scheme, this utility model can also use or combine and use the technical scheme with next step.
Described piezo-electric generating unit also includes electrode slice and insulation crust, described piezoelectric patches is fixed on described electrode slice by binding agent, described piezoelectric patches and described electrode slice are provided with corresponding wiring position, described insulation crust covers in described piezoelectric patches and the outside of described electrode slice, and contacts with described piezoelectric patches no pressure；Described power collection unit includes power delivery circuit and accumulator, and described power delivery circuit connects piezoelectric patches and accumulator, and described accumulator is used for collecting electric energy produced by piezoelectric patches.
Described cantilever beam is inclined upwardly at an angle, the energy maximum principle design that its angle is captured according to piezoelectric generating device.
The free end of described cantilever beam is provided with mass in order to reach and cantilever beam resonant interaction, regulates frequency of vibration, amplitude to desired value, realizes power harvesting in the hope of cantilever beam maximum under wind action.
Described piezo-electric generating unit is at least one, and when described piezo-electric generating unit is more than one, described piezo-electric generating unit is according to certain suitable position being regularly arranged on cantilever beam.
Described piezo-electric generating unit is placed in cantilever beam and bearing joint, deformation maximum position when this position is cantilever beam vibration.
Described piezo-electric generating unit is fricton-tight with cantilever beam to be connected, the deformation identical with cantilever beam generation of the piezoelectric patches in piezo-electric generating unit.
When arranging cantilever beam, for not affecting traffic in tunnel, described cantilever beam is 30～35cm with the distance in tunnel row track.
Described insulation crust uses high temperature resistant pressure wear-resisting macromolecular material to make.
Described piezoelectric patches is at least one, and when described piezoelectric patches is more than one, piezoelectric patches uses the mode of series connection to be connected on described electrode slice.
Described cantilever beam is connected by the bolt being arranged on described bearing corner is fixing with described bearing, and described wiring position is located at described cantilever beam and is fixed in the region being connected with described bearing.
The beneficial effects of the utility model are: this utility model utilizes the power generation performance of piezoelectric, piezo-electric generating unit is arranged in cantilever beam and vibrates violent position, it is the mechanical energy of cantilever beam by the wind energy transformation in tunnel, is electrical energy for storage by piezoelectric by the changes mechanical energy of cantilever beam.Piezoelectric generating device of the present utility model, on the premise of not affecting tunnel traffic, makes full use of wind energy resources abundant in tunnel, promotes the green traffic realizing in tunnel.
Contrast and traditional electrical-wire grid mode, this utility model will embody superiority under some specific environment.First, energy-conserving and environment-protective.This utility model is green, economical, efficiently, consumes the energy unlike traditional thermal power generation etc.；Second, universality is strong.This utility model can be suitably used for remote environments, if conventional transmission lines arrangement length is long will need substantial amounts of human and material resources cost, and the device of this project research can be easily installed at any applicable environment；3rd, sustainability.This utility model rely on piezoelectric principle generating, have reuse, the feature of iterative cycles.This utility model wishes to provide new resolving ideas into utilization of energy problem.
Accompanying drawing explanation
Fig. 1 is complete layout of the present utility model.
Fig. 2 is the plan view from above of this utility model cantilever beam.
Fig. 3 is axonometric chart of the present utility model.
Fig. 4 is piezo-electric generating unit layout drawing of the present utility model.
Fig. 5 is piezo-electric generating unit disassembly diagram of the present utility model.
Fig. 6 is power controling box schematic diagram figure of the present utility model.
Detailed description of the invention
Referring to the drawings.
Of the present utility model including that cantilever beam 3, one end of cantilever beam 3 are fixedly mounted on bearing 5 based on the cantilever beam vibration generating device under tunnel wind environment, freely, its free end can vibrate under the effect of wind load thus entirety is deformed for the other end.
Cantilever beam 3 is provided with piezo-electric generating unit 1 and power collection unit, and piezo-electric generating unit 1 fits tightly with cantilever beam 3, is provided with the piezoelectric patches 6 that can synchronize deformation with cantilever beam 3 in it, and piezo-electric generating unit 1 is connected to power controling box 9 and transmits electricity to it.
Piezo-electric generating unit 1 also includes electrode copper sheet 8 and insulation crust 7, piezoelectric patches 6 is fixed on electrode copper sheet 8 by macromolecule organic insulation binding agent, wiring hole 15 it is equipped with on the correspondence position of piezoelectric patches 6 and electrode copper sheet 8, insulation crust 7 covers in piezoelectric patches 6 and the outside of electrode copper sheet 8, insulation crust 7 contacts with piezoelectric patches 6 no pressure, do not affect the deformation of piezoelectric patches 6, power collection unit includes power delivery circuit and accumulator, power delivery circuit connects piezoelectric patches and accumulator, accumulator can collect the electric energy produced by piezoelectric patches 6, the effect of power collection unit is to store the electric energy produced by piezoelectric patches 6 temporarily, electric energy produced by piezoelectric patches is transported to external power source control chamber 9 simultaneously.
In order to reach more preferable deformation effect, cantilever beam 3 is from the horizontal by certain angle, the energy maximum principle design that its angle is captured according to piezoelectric generating device.
At cantilever beam 3 free end in addition mass 4, the size requirements of mass 4 can increase the Oscillation Amplitude of cantilever beam 3 free end, but guarantees that the Oscillation Amplitude of cantilever beam 3, in the range of limiting, prevents piezoelectric patches from sustaining damage again.
Cantilever beam 3 free end distance Crane Rail 30～35cm, cantilever beam 3 size is 300cm × 70cm, piezoelectric patches 6 size is 70cm × 50cm, bearing 5 is arranged on the inwall of both sides, tunnel by spud pile 16, cantilever beam 3 uses the screw nut 2 being arranged on upper surface of support corner to be fastened on bearing 5, the wiring hole 15 of piezoelectric patches 6 and electrode copper sheet 8 is arranged in cantilever beam 3 region being connected fixing with bearing 2, cantilever beam 3 region that be connected fixing with bearing 2 will not produce deformation, thereby, it is ensured that wiring hole will not misplace, prevent damaged wire in life-time service, wire is drawn in wiring hole 15, it is connected with battery.
The operation principle of piezo-electric generating unit 1 is as follows: when vehicle process of passing through tunnel, vehicle and the relative motion of air produce huge distinguished and admirable body mutually, wind action is in the bottom surface of cantilever beam 3, cantilever beam 3 is upwards deformed, due to piezoelectric patches 6 and cantilever beam 3 common eigenvector, so piezoelectric patches 6 will produce electric energy, owing to distinguished and admirable body has inhomogeneities, the wind load acting on cantilever beam 3 bottom surface can at a time reduce, wind load makes cantilever beam 3 deform downwards due to the elastic-restoring force of cantilever beam 3 and the downward mass force of end mass block 4 after reducing, due to piezoelectric patches 6 and cantilever beam 3 common eigenvector, so piezoelectric patches 6 also will produce electric energy.In constantly upper and lower deformation vibration, piezo-electric generating unit 1 produces electric energy endlessly, and by power controling box 9, this electric energy is collected storage.Piezo-electric generating unit 1 convenient disassembly, it is simple to maintenance, if being found to have local damage, only need to carry out independent local replacing.
Insulation crust 7 uses high temperature resistant pressure wear-resisting macromolecular material (such as epoxy resin) to make, and epoxy resin is possible not only to play the effect of stick steel plate, it is also possible to reach the effects such as protection, waterproof, insulation.
Piezo-electric generating unit 1 is at least one, as it can be seen, when piezo-electric generating unit 1 is more than one, can be with laid out in parallel, it is also possible to the upper and lower surface at cantilever beam 3 is all arranged.
Cantilever beam 3 uses steel plate, and its intensity being connected with bearing 2 and rigidity must assure that and do not occurs to destroy or unstability under wind load.
Described piezoelectric patches is at least one, and when described piezoelectric patches is more than one, piezoelectric patches uses the mode of series connection to be connected on described electrode slice.
Piezo-electric generating unit 1 is connected to power controling box 9 through wire, specifically, the piezoelectric patches 6 being responsible for producing electric current in piezo-electric generating unit 1 is drawn by wire, it is connected to power controling box 9, its electric current produced is pooled to power controling box 9 by wire, power controling box 9 is connected with (storage) electricity equipment 14, and powers to (storage) electricity equipment 14, thus realizes utilizing wind load generating illumination or other electricity consumption approach.Meet continuable development principle, ecological, environmental protective.
Power controling box 9 includes piezoelectric detection device 10, voltage regulation fairing attachment 11, electrical energy storage 12 and transformation output device 13, wherein transformation output device 13 is connected with (storage) electricity equipment 14, piezoelectric detection device 10 can use common logical electrical detection device, power generation situation mainly for detection of piezoelectric energy trapping device 1, for example whether have electric current output and the size of current flow, thus TRT the most of the present utility model the most normally works；Voltage regulation fairing attachment 11 can use common voltage stabilizing rectification circuit, and the electric energy producing piezoelectric energy trapping device 1 carries out voltage stabilizing rectification, and electrical energy storage 12 can use the electrical storage device of certain capacity, uses for other electrical equipments.
Claims (10)
1. based on the cantilever beam vibration generating device under tunnel wind environment, it is characterized in that: described vibration generating device includes cantilever beam, one end of described cantilever beam is fixedly mounted on bearing, described bearing is fixed in tunnel by spud pile, described cantilever beam is provided with piezo-electric generating unit and power collection unit, described piezo-electric generating unit fits tightly with cantilever beam, be provided with in described piezo-electric generating unit can with cantilever beam vibration deformation thus produce the piezoelectric patches of electric energy, described piezoelectric patches is connected to described power collection unit.
2. as claimed in claim 1 based on the cantilever beam vibration generating device under tunnel wind environment, it is characterized in that: described piezo-electric generating unit also includes electrode slice and insulation crust, described piezoelectric patches is fixed on described electrode slice by binding agent, described piezoelectric patches and described electrode slice are provided with corresponding wiring position, described insulation crust covers in described piezoelectric patches and the outside of described electrode slice, and contacts with described piezoelectric patches no pressure；Described power collection unit includes power delivery circuit and accumulator, and described power delivery circuit connects piezoelectric patches and accumulator, and described accumulator is used for collecting electric energy produced by piezoelectric patches.
3. as claimed in claim 1 based on the cantilever beam vibration generating device under tunnel wind environment, it is characterised in that: described cantilever beam is inclined upwardly at an angle, the energy maximum principle design that its angle is captured according to piezoelectric generating device.
4. as claimed in claim 1 based on the cantilever beam vibration generating device under tunnel wind environment, it is characterised in that: the free end of described cantilever beam is provided with mass.
5. as claimed in claim 1 based on the cantilever beam vibration generating device under tunnel wind environment, it is characterized in that: described piezo-electric generating unit is at least one, when described piezo-electric generating unit is more than one, described piezo-electric generating unit is according to certain suitable position being regularly arranged on cantilever beam.
6. as claimed in claim 1 based on the cantilever beam vibration generating device under tunnel wind environment, it is characterised in that: described piezo-electric generating unit is placed in cantilever beam and bearing joint.
7. as described in claim 1,2 or 3 based on the cantilever beam vibration generating device under tunnel wind environment, it is characterised in that: the distance in described cantilever beam and tunnel row track is 30～35cm.
8. as claimed in claim 2 based on the cantilever beam vibration generating device under tunnel wind environment, it is characterised in that: described insulation crust uses high temperature resistant pressure wear-resisting macromolecular material to make.
9. as claimed in claim 2 based on the cantilever beam vibration generating device under tunnel wind environment, it is characterised in that: described piezoelectric patches is at least one, and when described piezoelectric patches is more than one, piezoelectric patches uses the mode of series connection to be connected on described electrode slice.
10. as claimed in claim 2 based on the cantilever beam vibration generating device under tunnel wind environment, it is characterized in that: described cantilever beam is connected by the bolt being arranged on described bearing corner is fixing with described bearing, and described wiring position is located at described cantilever beam and is fixed in the region being connected with described bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620110190.7U CN205509891U (en) | 2016-02-03 | 2016-02-03 | Cantilever beam vibration power generation facility based on under tunnel wind environment |
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| CN201620110190.7U CN205509891U (en) | 2016-02-03 | 2016-02-03 | Cantilever beam vibration power generation facility based on under tunnel wind environment |
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| CN205509891U true CN205509891U (en) | 2016-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160570A (en) * | 2016-02-03 | 2016-11-23 | 浙江大学 | Based on the cantilever beam vibration generating device under tunnel wind environment |
| CN107634635A (en) * | 2017-09-20 | 2018-01-26 | 清华大学 | A kind of high-speed railway trackside wind-induced vibration energy recycle device |
-
2016
- 2016-02-03 CN CN201620110190.7U patent/CN205509891U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160570A (en) * | 2016-02-03 | 2016-11-23 | 浙江大学 | Based on the cantilever beam vibration generating device under tunnel wind environment |
| CN107634635A (en) * | 2017-09-20 | 2018-01-26 | 清华大学 | A kind of high-speed railway trackside wind-induced vibration energy recycle device |
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