CN107453650A - One kind driving air-flow causes the energy accumulator that shakes - Google Patents
One kind driving air-flow causes the energy accumulator that shakes Download PDFInfo
- Publication number
- CN107453650A CN107453650A CN201710732638.8A CN201710732638A CN107453650A CN 107453650 A CN107453650 A CN 107453650A CN 201710732638 A CN201710732638 A CN 201710732638A CN 107453650 A CN107453650 A CN 107453650A
- Authority
- CN
- China
- Prior art keywords
- piezoelectric vibrator
- crossbeam
- windward
- piezoelectric
- magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011324 bead Substances 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
Abstract
The present invention relates to one kind driving air-flow to cause the energy accumulator that shakes, and belongs to new energy field.Two deep beads are provided with the left of housing, right side is provided with crossbeam, two limited blocks are equipped with the left of housing front and rear wall, crossbeam is equipped with piezoelectric vibrator in both sides up and down, the contact surface of piezoelectric vibrator and crossbeam is horizontal plane, piezoelectric vibrator free end both sides are respectively provided with plate windward and magnet, and magnet of the crossbeam up and down on the piezoelectric vibrator of both sides is close to each other and the relatively close installation of like pole；Piezoelectric vibrator by waiting thick substrate and piezoelectric piece bonding to form, close to crossbeam installed by substrate, and plate is installed close to piezoelectric patches windward；Piezoelectric vibrator installation before be flat construction, install after be warp architecture；Wind forces plate windward and piezoelectric vibrator reciprocally swinging when left side is blowed on the right side of the housing, and deflection is less than its allowable value when piezoelectric vibrator free end is acted against on limited block, and it is zero that the magnet on piezoelectric vibrator, which leans time-varying shape amount together,；Under rated wind speed, the quiet deflection of piezoelectric vibrator is the half of its allowable value.
Description
Technical field
The invention belongs to field of new energy technologies, and in particular to one kind driving air-flow causes the energy accumulator that shakes, and is railway and highway tunnel
Instrument and equipment power supply in road.
Background technology
Tunnel has turned into the important component of current highway and railway network.To ensure that automobile and train can normally pacify
Go together, realize full the real-time monitoring of tunnel environment and current vehicle, in tunnel need that all kinds of instrument and equipments and lighting installation are installed,
Therefore also there is corresponding power supply facilities in tunnel.Such as use traditional cable power supply, the laying of cable and the difficulty of follow-up maintenance
Spend that larger, cost is higher；Battery powered is such as used, because of limited battery life, need to often be changed, use is extremely inconvenient, especially
In remote mountain areas.
The content of the invention
The present invention proposes that a kind of driving air-flow causes the energy accumulator that shakes, and the embodiment that the present invention uses is：Housing is by roof, bottom
Wall, antetheca and rear wall are formed, and housing left side is provided with two deep beads, right side is provided with crossbeam, and the both ends of deep bead and crossbeam are all divided
Gu Ding not be on the front and rear walls；The left side of antetheca and rear wall is all provided with two limited blocks at deep bead through screw, gear
Aerofoil and limited block are all respectively symmetrically arranged in the both sides up and down of crossbeam symmetrical centre；Both sides are all through pressing plate and screw above and below crossbeam
Piezoelectric vibrator is installed, the contact surface of piezoelectric vibrator and crossbeam is horizontal plane, and piezoelectric vibrator free end both sides are pacified respectively through screw
Equipped with plate windward and magnet, magnet of the crossbeam up and down on both sides piezoelectric vibrators is close to each other and the relatively close installation of like pole；
Piezoelectric vibrator is the cantilever beam structure formed by the substrate and piezoelectric piece bonding of equal thickness, and substrate is installed close to crossbeam, windward plate
Installed close to piezoelectric patches；Piezoelectric vibrator free end is located at the right side of deep bead, and the limited block above crossbeam is placed in above crossbeam and pressed
The top of electric tachometer indicator, the limited block of below the crossbeam are placed in the lower section of the piezoelectric vibrator of below the crossbeam；It is flat before piezoelectric vibrator installation
Effect after straight structure, installation by magnet repulsive force produces flexural deformation.
When vehicle quickly from tunnel by when will have left side is blowed on the right side of housing into, wind humorously；Blow air over and meet
Whirlpool can be being generated behind plate windward during aerofoil, continuously generating and coming off for whirlpool makes blast at left and right sides of plate windward alternately increase
Add and reduce, so as to force plate reciprocally swinging windward, plate drives piezoelectric vibrator up and down reciprocatingly to swing again windward, and piezoelectric vibrator is free
End deformation is excessive and piezoelectric vibrator deflection is less than its allowable value, the magnetic of two piezoelectric vibrator free ends when acting against on limited block
The deflection that iron leans piezoelectric vibrator when together is zero；Piezoelectric vibrator changes mechanical energy during up and down reciprocatingly swinging
Into electric energy.
In the present invention, piezoelectric vibrator is mainly to form what self-excited vibration generated electricity by plate windward and wind coupling, windward
Plate presence makes the preferably preferable angle windward of generating effect, the angle that angle refers to plate windward and come between wind direction windward；Rated wind speed
Under, quiet deflection of the piezoelectric vibrator under magnet repulsive force and wind-force effect is the half of its allowable value, the angle windward of plate windward
For Q=15~60 °；The function of deep bead is the whirlpool formation condition improved between deep bead and piezoelectric vibrator in region and improved
Whirlpool intensity, and then improve amplitude, generating capacity and the wind direction adaptation of piezoelectric vibrator.
In the present invention, to ensure that piezoelectric vibrator deflection is less than its allowable value in work, avoiding piezoelectric patches because of compression mistake
Damage greatly, the allowable value of piezoelectric vibrator deflection, i.e. piezoelectric vibrator free end are acted against when on limited block adjacent thereto
Maximum deformation quantity isH, L are respectively to press in formula
Electric tachometer indicator gross thickness and jib-length, β=E1/E2, E1、E2The respectively modulus of elasticity of substrate and piezoelectric patches,g31Respectively
The dielectric constant and voltage constant of piezoelectric,For the permissible compression stress of piezoelectric.
In the present invention, energy accumulator can form energy accumulator array, Jin Erti by the way of series, parallel or connection in series-parallel mixing
High generating capacity.
In the present invention, another working method of energy accumulator is mounted on the vehicle of traveling.
Advantage and characteristic：It is simple in construction, threshold wind velocity is low, easily by array way improve generate electricity and power supply capacity, can be real
The self-powered operation of instrument and equipment in existing tunnel, without chemical cell and laying cable；Met by what piezoelectric vibrator end added
The coupling excitation piezoelectric vibrator of aerofoil and wind, structure and installation parameter easily adjust and obtain preferable states, and most critical is pressure
The deformation of electric tachometer indicator bend in one direction, piezoelectric vibrator length direction is identical with wind direction or angle very little, maximum quiet deformation reach certain journey
No longer increase after degree with wind speed and increase, therefore generating capacity is strong, reliability is high.
Brief description of the drawings
Fig. 1 is using the structural representation during work of straight piezoelectric vibrator energy accumulator in a preferred embodiment of the present invention；
Fig. 2 is Fig. 1 left view；
Fig. 3 is the structural representation of more energy accumulator series connection in a preferred embodiment of the present invention；
Fig. 4 is the structural representation that more energy accumulators are in parallel in a preferred embodiment of the present invention.
Embodiment
Housing a is made up of roof a1, bottom wall a2, antetheca a3 and rear wall a4, and housing a inside left is provided with two deep beads
The both ends that a5, housing a inner right side are provided with crossbeam a6, deep bead a5 and crossbeam a6 are all separately fixed at antetheca a3 and rear wall a4
On；Antetheca a3 and rear wall a4 left side are all provided with two limited block b at deep bead a5 through screw, deep bead a5 and spacing
Block b is respectively symmetrically arranged in the both sides up and down of crossbeam a6 symmetrical centres；All pacify through pressing plate c and screw crossbeam a6 both sides up and down
Contact surface equipped with piezoelectric vibrator e, piezoelectric vibrator e and crossbeam a6 is horizontal plane, and the both sides of piezoelectric vibrator e free ends are through screw point
Plate d windward and magnet f is not installed, magnet fs of the crossbeam a6 up and down on the piezoelectric vibrator e of both sides is close to each other and like pole is relative
Close to installation；Piezoelectric vibrator e is the cantilever beam structure formed by substrate e1 and piezoelectric patches the e2 bonding of equal thickness, and substrate e1 is close
Crossbeam a6 is installed, and plate d installs close to piezoelectric patches e2 windward；Piezoelectric vibrator e free end is located at deep bead a5 right side, crossbeam a6
The top for the piezoelectric vibrator e that the limited block b of top is placed in above crossbeam a6, the limited block b below crossbeam a6 are placed under crossbeam a6
The piezoelectric vibrator e of side lower section；Piezoelectric vibrator e installations are preceding curved to be produced after flat construction, installation by the effect of magnet f repulsive forces
Song deformation.
When vehicle quickly from tunnel by when will have left side is blowed on the right side of housing a into, wind humorously；Blow air over and meet
Whirlpool can be being generated behind plate d windward during aerofoil d, continuously generating for whirlpool replaces blast at left and right sides of plate d windward with coming off
Ground increases and reduced, and so as to force plate d reciprocally swingings windward, plate d drives piezoelectric vibrator e up and down reciprocatingly to swing again windward, piezoelectricity
The deformation of oscillator e free ends is excessive and acts against piezoelectric vibrator e deflections when on limited block b and is less than its allowable value, and two piezoelectricity shake
The deflection that the magnet f of sub- e free ends leans piezoelectric vibrator e when together is zero；The process that piezoelectric vibrator e is up and down reciprocatingly swung
In i.e. convert mechanical energy into electric energy.
In the present invention, piezoelectric vibrator e is mainly to form what self-excited vibration generated electricity by plate d windward and wind coupling, is met
Aerofoil d is in the presence of the preferably preferable angle windward of generating effect is made, and angle refers to plate d windward and the angle come between wind direction windward；It is specified
Under wind speed, quiet deflections of the piezoelectric vibrator e under magnet f repulsive forces and wind-force effect is the half of its allowable value, windward plate d
Angle is Q=15~60 ° windward；Deep bead a5 function is to improve the whirlpool life between deep bead a5 and piezoelectric vibrator e in the B of region
Into condition and whirlpool intensity is improved, and then improves piezoelectric vibrator e amplitude, generating capacity and wind direction adaptation.
In the present invention, to ensure that piezoelectric vibrator e deflections are less than its allowable value in work, avoiding piezoelectric patches e2 because of compression
Excessive and damage, the allowable value of piezoelectric vibrator e deflections, i.e. piezoelectric vibrator e free ends are acted against on limited block b adjacent thereto
When maximum deformation quantity beH, L distinguish in formula
For piezoelectric vibrator e gross thickness and jib-length, β=E1/E2, E1、E2Respectively substrate e1 and piezoelectric patches e2 modulus of elasticity,g31The respectively dielectric constant and voltage constant of piezoelectric,For the permissible compression stress of piezoelectric.
In the present invention, energy accumulator can form energy accumulator array, Jin Erti by the way of series, parallel or connection in series-parallel mixing
High generating capacity.
In the present invention, another working method of energy accumulator is mounted on the vehicle of traveling.
Claims (1)
1. one kind driving air-flow causes the energy accumulator that shakes, it is characterised in that：Housing is made up of roof, bottom wall, antetheca and rear wall, and housing is left
Side is provided with two deep beads, right side is provided with crossbeam, and the both ends of deep bead and crossbeam are all separately fixed on antetheca and rear wall；Antetheca
Two limited blocks are equipped with deep bead with the left side of rear wall, deep bead and limited block are all respectively symmetrically arranged in crossbeam pair
The both sides up and down at title center；Crossbeam is equipped with piezoelectric vibrator in both sides up and down, and the contact surface of piezoelectric vibrator and crossbeam be horizontal plane, presses
Electric tachometer indicator free end both sides are respectively provided with plate windward and magnet, and magnet of the crossbeam up and down on the piezoelectric vibrator of both sides is close to each other and same
The property relatively close installation of magnetic pole；Piezoelectric vibrator is the cantilever beam by waiting thick substrate and piezoelectric piece bonding to form, and substrate is close to crossbeam
Installation, plate is close to piezoelectric patches installation windward；Piezoelectric vibrator free end is located on the right side of deep bead, and the limited block above crossbeam is placed in horizontal stroke
The top of piezoelectric vibrator, the limited block of below the crossbeam are placed in the lower section of the piezoelectric vibrator of below the crossbeam above beam；Piezoelectric vibrator is pacified
The preceding effect generation flexural deformation for after flat construction, installation by magnet repulsive force of dress；When wind blows to left side on the right side of housing
Plate reciprocally swinging windward is forced, plate drives piezoelectric vibrator up and down reciprocatingly to swing again windward, and the deformation of piezoelectric vibrator free end is excessive simultaneously
Piezoelectric vibrator deflection is less than its allowable value when acting against on limited block, and the magnet of two piezoelectric vibrator free ends leans together
When piezoelectric vibrator deflection be zero；Under rated wind speed, piezoelectric vibrator quiet deflection for its allowable value half, plate is met windward
Wind angle is Q=15~60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710732638.8A CN107453650B (en) | 2017-08-17 | 2017-08-17 | A kind of driving air-flow cause vibration energy accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710732638.8A CN107453650B (en) | 2017-08-17 | 2017-08-17 | A kind of driving air-flow cause vibration energy accumulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107453650A true CN107453650A (en) | 2017-12-08 |
| CN107453650B CN107453650B (en) | 2019-01-11 |
Family
ID=60493957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710732638.8A Active CN107453650B (en) | 2017-08-17 | 2017-08-17 | A kind of driving air-flow cause vibration energy accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107453650B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910539A (en) * | 2018-07-02 | 2018-11-30 | 江苏理工学院 | A kind of energy-saving pneumatic conveying system with energy recovery function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2151346A1 (en) * | 2008-08-08 | 2010-02-10 | Ludwig Laxhuber | System for using the air pressure acting on a moving vehicle to produce energy |
| KR101251412B1 (en) * | 2012-06-22 | 2013-04-05 | 건국대학교 산학협력단 | Magnetically driven the development device generating unit using piezo-composite materials |
| CN105932907A (en) * | 2016-06-15 | 2016-09-07 | 浙江师范大学 | Vortex-excitation piezoelectric energy harvester for monitoring wind power gear box |
| CN105978403A (en) * | 2016-06-15 | 2016-09-28 | 浙江师范大学 | Liquid-coupling excitation energy harvester for power supply for wind generator blade monitoring system |
| CN106059391A (en) * | 2016-06-15 | 2016-10-26 | 浙江师范大学 | Piezoelectric beam energy harvester for power supply for wind power gear box monitoring system |
-
2017
- 2017-08-17 CN CN201710732638.8A patent/CN107453650B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2151346A1 (en) * | 2008-08-08 | 2010-02-10 | Ludwig Laxhuber | System for using the air pressure acting on a moving vehicle to produce energy |
| KR101251412B1 (en) * | 2012-06-22 | 2013-04-05 | 건국대학교 산학협력단 | Magnetically driven the development device generating unit using piezo-composite materials |
| CN105932907A (en) * | 2016-06-15 | 2016-09-07 | 浙江师范大学 | Vortex-excitation piezoelectric energy harvester for monitoring wind power gear box |
| CN105978403A (en) * | 2016-06-15 | 2016-09-28 | 浙江师范大学 | Liquid-coupling excitation energy harvester for power supply for wind generator blade monitoring system |
| CN106059391A (en) * | 2016-06-15 | 2016-10-26 | 浙江师范大学 | Piezoelectric beam energy harvester for power supply for wind power gear box monitoring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910539A (en) * | 2018-07-02 | 2018-11-30 | 江苏理工学院 | A kind of energy-saving pneumatic conveying system with energy recovery function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107453650B (en) | 2019-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105240231B (en) | A kind of highway speed bump energy retracting device | |
| CN107769614A (en) | A kind of multi-direction vibrational energy harvester of piezoelectric type | |
| CN102170246A (en) | Vibrating type miniature wind driven generator with flexible beam structure | |
| CN107453650B (en) | A kind of driving air-flow cause vibration energy accumulator | |
| CN107508494B (en) | A kind of tunnel air-flow cause vibration energy accumulator | |
| CN107359813B (en) | A kind of tunnel driving air-flow cause vibration energy accumulator | |
| CN203948237U (en) | A kind of piezoelectric generating device for deceleration strip | |
| CN108560436B (en) | Microstructure energy recovery deceleration strip based on piezoelectric effect | |
| CN107332466B (en) | Multi-vibrator piezoelectric wind energy capture device | |
| CN107453649B (en) | Vehicle-mounted energy harvester with unidirectionally bent piezoelectric vibrator | |
| CN110912449B (en) | Piezoelectric type tunnel airflow generator | |
| CN205490236U (en) | Piezoelectricity wind power generation device | |
| CN204376762U (en) | A kind of novel piezoelectric Blast Furnace Top Gas Recovery Turbine Unit (TRT) | |
| CN201155435Y (en) | Express way deceleration strip simple generator | |
| CN103516258A (en) | Windbell-type piezoelectric power generation device | |
| CN2532177Y (en) | High-frequency insert type concvete vibrator needle with built-in motor | |
| CN110932599B (en) | Driving vibration-induced wind driven generator | |
| CN207714176U (en) | A kind of deceleration strip | |
| CN107395051B (en) | Generator for railway train bearing monitoring system | |
| CN207512129U (en) | A kind of tamping tool | |
| CN104485840A (en) | High-performance piezoelectric longitudinal vibration energy harvester | |
| CN206542342U (en) | Road vibration energy regenerating TRT based on three-dimensional metamaterial | |
| CN101942846A (en) | Bucket with vibration function | |
| CN203457076U (en) | Windbell type piezoelectric power generation device | |
| CN201439080U (en) | Centrifugal pneumatic vibrator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |