CN106160569B - Cable-stayed bridge cable prisoner can TRT - Google Patents
Cable-stayed bridge cable prisoner can TRT Download PDFInfo
- Publication number
- CN106160569B CN106160569B CN201610075833.3A CN201610075833A CN106160569B CN 106160569 B CN106160569 B CN 106160569B CN 201610075833 A CN201610075833 A CN 201610075833A CN 106160569 B CN106160569 B CN 106160569B
- Authority
- CN
- China
- Prior art keywords
- cable
- energy
- prisoner
- stayed bridge
- bridge
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 21
- 238000004146 energy storage Methods 0.000 claims abstract description 11
- 238000013016 damping Methods 0.000 claims abstract description 7
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 238000005538 encapsulation Methods 0.000 claims 1
- 238000004078 waterproofing Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229920002521 macromolecule Polymers 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 241000693079 Maloideae Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009466 transformation Effects 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
Abstract
A kind of cable-stayed bridge cable of offer of the invention capturees energy TRT, including rope form prisoner's energy electric supply installation, the rope form capture energy electric supply installation spiral wrap on the drag-line of cable-stayed bridge, can be with inhaul cable vibration.Electric energy caused by the TRT of the present invention is fully able to as enough electric energy of offer such as the monitoring system in bridge structure, damping system, lighting device, driving direction boards, it is also equipped with electrical energy storage device, it can be stored in time when producing electric energy and having more than needed, the continued power of guarantee system, a kind of brand-new environment-friendly and green energy is provided for Cable-Stayed Bridge Structure common in highway and Urban Bridge.
Description
Technical field
Can TRT the present invention relates to the prisoner for cable-stayed bridge cable.
Background technology
The drag-line frequency of large span stayed-cable bridge and the low order vibration frequency of structure are closer to, in environmental loads such as wind, rain
Under effect, it is prone to cable bridge coupled vibrations, so as to cause the local vibration phenomenon of drag-line.Cable-stayed bridge increases with span, draws
The span of rope can also increase therewith, while because the natural frequency of vibration is low, easily produces the vibration of large amplitude, all locate as the whole operation phase
Soft type structure under the influence of environment dynamic load, this vibration is inevitable.It is existing on cable-stayed bridge cable local vibration
Research work mostly focus on the threat that inhaul cable vibration is brought to structure safety and durability, and be unaware that this vibration shows
As that can be used in fact, change harmful to treasure.If can by energy conversion device, by these vibrate caused by energy turn
Turn to electric energy and collect and utilize, it is possible to provide electric energy for the electrical equipment on bridge, possess huge potential economic benefit.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of cable-stayed bridge cable prisoner energy TRT, can utilize cable-stayed bridge
The vibration deformation of drag-line provides electric energy.
The technical proposal for solving the technical problem of the invention is：Cable-stayed bridge cable prisoner's energy TRT, including rope form
Prisoner's energy electric supply installation, the rope form prisoner energy electric supply installation spiral wrap, can be with inhaul cable vibrations on the drag-line of cable-stayed bridge.
While using above-mentioned technical proposal, the present invention can also be used or combined using technology further below
Scheme：
The rope form prisoner energy electric supply installation includes multiple piezoelectric units, and the multiple piezoelectric unit is connected in one by electric wire
Rise and form power supply circuit.
The power supply circuit includes stabilized rectifier, energy storage device and potential device, the stabilized rectifier, energy storage device
With potential device use is connected to by being wired to the output port of the power supply circuit, the output port of the power supply circuit
Electric equipment.
The electrical equipment includes monitoring system, damping system, lighting device and the driving direction board of bridge structure.
The power supply circuit is encapsulated using macromolecule flexible water insulating sleeve, and forming the rope form prisoner can electric supply installation.
The rope form prisoner energy electric supply installation is wrapped in the position on drag-line beyond bridge tower anchored end 3m, the rope form prisoner
The contact surface of energy electric supply installation and the drag-line is fixed using adhesive.
Environmental load can be acted on lower caused cable-stayed bridge cable vibration institute by piezoelectric according to its power electric conversion properties
Caused mechanical energy is converted into electric energy, and is collected and utilizes, and provides electric energy for each electricity consumption facility on bridge, plays and turn bane into boon
Purpose.Large span stayed-cable bridge is close cable body architecture, and the quantity of drag-line is more huge, if to mechanical energy caused by this vibration
Rationally utilized, be fully able to carry for the monitoring system in bridge structure, damping system, lighting device, driving direction board etc.
For electricity consumption, electricity more than needed is stored in, the continued power of the self energizing system can be ensured.The letter of piezoelectric energy-conversion apparatus structure
It is single, easy to process to make, be easy to miniaturization and integrated, the energy acquisition of material and the limitation of application working environment less, efficiency high,
Green, the utilization of correlation technique will produce huge economic benefit, and power-assisted is provided to build a resource-conserving society,
With certain market potential and economic value.
The beneficial effects of the invention are as follows：The present invention utilizes the positive piezo-electric effect of piezoelectric, and piezoelectric unit is passed through into electricity
Line is together in series, and together with power control, is built in waterproof enclosure pipe, in the shape of a spiral installed in cable-stayed bridge cable appearance
Face, Inclined Cable Vibration mechanical energy caused by environment dynamic load is converted into electric energy, by the power supply control in the power supply film apparatus
Voltage stabilizing, the transformation processing of integrated system processed, are powered a little or carry out power storage to each electrical equipment on bridge, of the invention
Electric energy caused by TRT is fully able to as the monitoring system in bridge structure, damping system, lighting device, driving instruction
The enough electric energy of the offers such as board, are also equipped with electrical energy storage device, can in time be stored when producing electric energy and having more than needed, ensure system
The continued power of system, a kind of brand-new environment-friendly and green energy is provided for Cable-Stayed Bridge Structure common in highway and Urban Bridge.
Brief description of the drawings
Fig. 1 is the region that the present invention is installed on cable-stayed bridge.
Fig. 2 is the cable-stayed bridge cable side view for being mounted with the present invention.
Fig. 3 is for the overall structure plan of the present invention.
Fig. 4 is the overall 3 d effect graph of the present invention.
Fig. 5 is three design sketch of the partial enlargement of the present invention.
Fig. 6 is the basic parameter table of cable wire in example of the invention.
Fig. 7 is the local vibration computational methods schematic diagram of drag-line.
Fig. 8 is the drag-line S1 of present invention midpoint vertical displacement time-history curves.
Fig. 9 is the drag-line S2 of present invention midpoint vertical displacement time-history curves.
Label in figure：1- cable-stayed bridge cables；2- installation regions；3- oblique pull bridge seats；4- cable-stayed bridge main-beams；5- Stayed Cable Bridges
Tower；6- piezoelectric units；7- electric wires；8- current stabilization rectifiers；9- transformers；10- energy storage devices；11- current output terminal mouths；12- is high
Molecule waterproof insulation package tube；13- rope forms prisoner can TRT.
Embodiment
Referring to the drawings.
The rope form that cable-stayed bridge cable prisoner's energy TRT of the invention includes being arranged on cable-stayed bridge cable 1 capturees the dress that can generate electricity
Put 13, rope form prisoner can TRT 13 include multiple piezoelectric units 6, piezoelectric unit 6 between any two spacing in 8cm or so, piezoelectricity
Element number determines that piezoelectric unit quantity is more by electrical equipment institute subfam. Spiraeoideae, that is, the electricity that can be provided is bigger.
Multiple piezoelectric units 6 are chained together to form power supply circuit by electric wire 7, electric wire 7 play each piezoelectric unit of connection,
Stabilized rectifier, electric energy accumulator, potential device, the circuit output port for connecting electrical equipment and the effect for transmitting electric current.
Also include stabilized rectifier 8, energy storage device 10 and transformer 9, stabilized rectifier 8, energy storage device on power supply circuit
10 and transformer 9 output port of power supply circuit is connected to by electric wire 7, the current output terminal mouth 11 of power supply circuit is connected to use
Electric equipment, electrical equipment refer mainly to the electrical equipment on bridge, specifically include the monitoring system, damping system, photograph of bridge structure
Bright device and driving direction board etc., stabilized rectifier 8, energy storage device 10, transformer 9 connect the circuit output end of electrical equipment
Mouthful, be connected by electric wire with each piezoelectric unit, be connected by circuit output port with external electric equipment and be its power, energy storage
The storage of device 10 electric energy more than needed.
Power supply circuit is encapsulated using macromolecule flexible water insulating sleeve 12, forms rope form prisoner's energy electric supply installation 13, high score
Sub- flexible water insulating sleeve 12 is flexible sleeve, can be bent to arbitrary shape, and rope form prisoner's energy electric supply installation 13 is wrapped in
Position (i.e. the red position of overstriking in Fig. 1) on drag-line 1 beyond bridge tower anchored end 3m, rope form prisoner can electric supply installation 13 with
The contact surface of drag-line 1 is fixed using high-strength adhesive.The finished product of rope form prisoner's energy electric supply installation 13 is wound in cable-stayed bridge in the shape of a spiral
Drag-line finished product span centre region, and fixed using high-strength adhesive.
Piezoelectric unit 6 is in flat on the whole, and macromolecule flexible water insulating sleeve 12 uses and the shape one of piezoelectric unit 6
Cause, also in flat, enough contact surfaces are provided for the use of adhesive, it is ensured that rope form prisoner's energy electric supply installation 13 can be securely
The surface of drag-line 1 is fixed on, current output terminal mouth 11 is arranged on the side of piezoelectric unit 6, and the space of cabling is arranged on piezoelectricity list
The side of member 6, prevent internal cabling from Stagger-wrap occurring in vibration and influences generating effect and the stabilization of total system.Macromolecule
Special cable tray can also be set in flexible water insulating sleeve 12.
Fortran platforms are based in the present embodiment, to extract long and short two in a span 1400m Design of Cable-Stayed Bridge schemes
Carry out vibration analysis exemplified by drag-line, Fig. 6 is the calculating parameter of drag-line, and in table, L is span, and Y is height, and EA is tensible rigidity, i.e.,
The product of elastic modulus E and sectional area A, w are the unit weight of drag-line, and β is the ratio between sag and span.
In the dynamic response analysis method of structure, bridge is modeled by member structure, and girder and bridge are simulated with spatial beam
Tower, with flexible cable unit simulation drag-line.In order to consider the influence of local cable vibration, drag-line is divided into link structure to divide
Analyse (Fig. 7 (a)).According to the concept of free degree condensing method and the broad sense free degree in Structural Dynamics, using the vibration shape of rope as certainly
Considered by spending, avoid it is huge by the calculating free degree brought of link structure simulation drag-line, the problem of computing difficulty.Fig. 7 (b)
Represent the schematic diagram of this algorithm, the local vibration of rope can according to modes superposition principle, by the displacement of boundary node and
The combination of rope local mode obtains.The local vibration of rope can both ensure that calculating with former rank minority vibration shapes come approximate representation
Precision has also taken into account computational efficiency.
The vibration equation of bridge is represented by：
In formula, M, K and C are respectively architecture quality matrix, stiffness matrix and damping matrix；U is respectively structure
Acceleration, speed and dynamic respond；F (t) is environmental forces load.
The vertical motion dynamic respond result that Fig. 8,9 sets forth two drag-lines under environmental excitation, the result are shown
Drag-line vertical motion dynamic respond amplitude under environmental load excitation is about 0.08 meter of (8 centimetres) left and right, no matter showing long rope (figure
8) or tackline (Fig. 9), no matter and in span centre or beam-ends, will will all be produced under environmental excitation and teach big vibration deformation and should
Become, it means that the present apparatus to be deformed with hundreds of drag-lines of full-bridge will produce a large amount of electric energy.
It is related to the strain of inhaul cable vibration in view of this product generated energy, according to Fig. 8 and Fig. 9 result of calculation, drag-line without
Also it is proximate to that Oscillation Amplitude near end of main beam anchor point is all larger by span centre, therefore is all the more satisfactory installation present invention
Region, and bridge tower is because rigidity is larger, according to our calculating, drag-line is smaller close to bridge tower anchored end Oscillation Amplitude, therefore draws
Rope is in the range of 3 meters of the anchored end with bridge tower it is not recommended that the installation present invention.
Claims (4)
1. cable-stayed bridge cable prisoner's energy TRT, it is characterised in that：Energy electric supply installation is captureed including rope form, the rope form prisoner can power
Device spiral wrap, can be with inhaul cable vibration on the drag-line of cable-stayed bridge；The rope form prisoner energy electric supply installation includes multiple pressures
Electric unit, the multiple piezoelectric unit are chained together to form power supply circuit by electric wire；It is whole that the power supply circuit includes voltage stabilizing
Device, energy storage device and potential device are flowed, the stabilized rectifier, energy storage device and potential device are by being wired to the confession
The output port of circuit, the output port of the power supply circuit are connected to electrical equipment.
2. cable-stayed bridge cable prisoner energy TRT as claimed in claim 1, it is characterised in that：The electrical equipment includes bridge
Monitoring system, damping system, lighting device and the driving direction board of structure.
3. cable-stayed bridge cable prisoner energy TRT as claimed in claim 1, it is characterised in that：The power supply circuit uses high score
Sub- flexible water insulating sleeve encapsulation, forming the rope form prisoner can electric supply installation.
4. cable-stayed bridge cable prisoner energy TRT as claimed in claim 1, it is characterised in that：The rope form prisoner can electric supply installation
It is wrapped in the position beyond bridge tower anchored end 3m on drag-line, the contact surface of the rope form prisoner energy electric supply installation and the drag-line
Fixed using high-strength and waterproofing adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610075833.3A CN106160569B (en) | 2016-02-03 | 2016-02-03 | Cable-stayed bridge cable prisoner can TRT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610075833.3A CN106160569B (en) | 2016-02-03 | 2016-02-03 | Cable-stayed bridge cable prisoner can TRT |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106160569A CN106160569A (en) | 2016-11-23 |
| CN106160569B true CN106160569B (en) | 2018-03-06 |
Family
ID=57352758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610075833.3A Active CN106160569B (en) | 2016-02-03 | 2016-02-03 | Cable-stayed bridge cable prisoner can TRT |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106160569B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453643A (en) * | 2017-09-11 | 2017-12-08 | 浙江大学 | Contact-type frictional TRT based on bridge vibration |
| CN107493030A (en) * | 2017-09-11 | 2017-12-19 | 浙江大学 | Frictional electrostatic generating device based on bridge vibration |
| CN107508365A (en) * | 2017-09-14 | 2017-12-22 | 浙江大学城市学院 | A kind of magnetic-type underground railway track prisoner can TRT |
| CN107404256A (en) * | 2017-09-14 | 2017-11-28 | 浙江大学城市学院 | A kind of subway line prisoner can TRT |
| CN112050156B (en) * | 2020-08-31 | 2022-03-01 | 中铁大桥勘测设计院集团有限公司 | Bridge stay cable night scene illumination projection lamp installation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651656A (en) * | 2004-12-07 | 2005-08-10 | 清华大学 | Stayed cable shock attenuation device |
| CN102359068A (en) * | 2011-10-23 | 2012-02-22 | 湖南科技大学 | Active control system for vibration of stay cable of cable-stayed bridge |
| CN202616963U (en) * | 2012-02-15 | 2012-12-19 | 包蕾 | Vibration power generation device |
| CN105024586A (en) * | 2015-07-02 | 2015-11-04 | 南京航空航天大学 | Vibration-type wind power generation system |
| CN205754059U (en) * | 2016-02-03 | 2016-11-30 | 浙江大学 | Cable-stayed bridge cable prisoner can TRT |
-
2016
- 2016-02-03 CN CN201610075833.3A patent/CN106160569B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651656A (en) * | 2004-12-07 | 2005-08-10 | 清华大学 | Stayed cable shock attenuation device |
| CN102359068A (en) * | 2011-10-23 | 2012-02-22 | 湖南科技大学 | Active control system for vibration of stay cable of cable-stayed bridge |
| CN202616963U (en) * | 2012-02-15 | 2012-12-19 | 包蕾 | Vibration power generation device |
| CN105024586A (en) * | 2015-07-02 | 2015-11-04 | 南京航空航天大学 | Vibration-type wind power generation system |
| CN205754059U (en) * | 2016-02-03 | 2016-11-30 | 浙江大学 | Cable-stayed bridge cable prisoner can TRT |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106160569A (en) | 2016-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106160569B (en) | Cable-stayed bridge cable prisoner can TRT | |
| JP5529328B1 (en) | Power generation element | |
| CN101938230B (en) | Wave vibration piezoelectric power generation and solar energy combined power generating method and system | |
| Qi et al. | A hybrid piezoelectric-electromagnetic wave energy harvester based on capsule structure for self-powered applications in sea-crossing bridges | |
| JP5694597B2 (en) | Power generation element | |
| CN108988684B (en) | A kind of absorbing and vibrational energy acquire integrated apparatus | |
| CN107493030A (en) | Frictional electrostatic generating device based on bridge vibration | |
| CN107453643A (en) | Contact-type frictional TRT based on bridge vibration | |
| JP5775644B2 (en) | Power generation element | |
| JP5807302B2 (en) | Power generator | |
| JP5833790B2 (en) | Power generation element | |
| JP5674973B1 (en) | Power generation element | |
| US20120286625A1 (en) | Peep1 piezo electric effect power 1 | |
| CN103199675A (en) | Curtain type wind power and vibration power generator | |
| CN202210762U (en) | Staggered piezo-electricity double-chip-beam type energy-harvesting system | |
| CN205754059U (en) | Cable-stayed bridge cable prisoner can TRT | |
| CN207339686U (en) | Subway line prisoner can power generator | |
| CN106160568A (en) | Prisoner for marine riser can TRT | |
| Chandrasekaran et al. | DEEP OCEAN WAVE ENERGY SYSTEMS: EXPERIMENTAL INVESTIGATIONS. | |
| JP6088107B2 (en) | Power generation element | |
| JP6987414B2 (en) | Power generation element | |
| JP5887457B2 (en) | Power generation element | |
| Lu et al. | Omnidirectional hybrid wave energy harvester for self-powered sensors in sea-crossing bridges | |
| CN212958943U (en) | Energy conversion device and collection system based on piston wind | |
| CN207399053U (en) | Frictional electrostatic generating device based on bridge vibration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |