CN106452176A - Smart damping-varying semi-active vibration absorption rubber mat based on vibration generation - Google Patents
Smart damping-varying semi-active vibration absorption rubber mat based on vibration generation Download PDFInfo
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- CN106452176A CN106452176A CN201610825983.1A CN201610825983A CN106452176A CN 106452176 A CN106452176 A CN 106452176A CN 201610825983 A CN201610825983 A CN 201610825983A CN 106452176 A CN106452176 A CN 106452176A
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- vibrating power
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 46
- 239000005060 rubber Substances 0.000 title claims abstract description 43
- 238000010521 absorption reaction Methods 0.000 title abstract 2
- 229920002595 Dielectric elastomer Polymers 0.000 claims abstract description 19
- 238000013016 damping Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000010248 power generation Methods 0.000 claims description 25
- 239000012528 membrane Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 2
- 238000011161 development Methods 0.000 abstract description 2
- 239000000741 silica gel Substances 0.000 abstract description 2
- 229910002027 silica gel Inorganic materials 0.000 abstract description 2
- 239000010426 asphalt Substances 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 11
- 239000012530 fluid Substances 0.000 description 6
- 239000000806 elastomer Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000012546 transfer Methods 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
- H02N2/186—Vibration harvesters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a smart damping-varying semi-active vibration absorption rubber mat based on vibration generation, which is formed by bonding a vibration generation layer, a dielectric elastomer layer and a rubber layer. Vibration energy of different magnitudes are converted into different voltage values by the vibration generation layer so as to change damping of the dielectric elastomer layer, so that the object of changing the damping of the rubber mat at right time and proper amount according to different vibration frequencies and amplitudes is achieved. Problems that performance parameters of common damping materials such as rubber, silica gel and asphalt are fixed, and the controllable vibration frequency range is narrow are solved, and requirements for wide frequency range vibration control of a hydraulic system under the high speed and high pressure development trend are met.
Description
Technical field
The present invention relates to half active vibration is realized using intellectual material in fluid pressure line vibration control field, more particularly to one kind
The absorbing rubber cushion of control.
Background technology
As hydraulic technique develops to high speed and high pressureization, the harm that the vibration and noise in hydraulic system is caused is also increasingly tight
Weight.The vibration of hydraulic system is essentially from two aspects：Mechanical vibration and fluid oscillation.Mechanical vibration are mainly derived from rotary part
Imbalance, the vibration of shaft coupling and pipeline and fuel tank forced vibration；Fluid oscillation is mainly derived from the flow of hydraulic pump
The vibration that pulsation, the vibration that causes of the action of valve element, air pocket cause and the vibration that turbulent flow is caused with vortex.Vibrate and make an uproar
Sound shadow rings the service behaviour of hydraulic system, shortens the service life of Hydraulic Elements, its harm of reduction of therefore adopting an effective measure, and is
The problem that must face and solve in design of Hydraulic System.
Fluid pressure line is important auxiliary element in hydraulic system, flow pulsation and mechanical vibration that hydraulic pump works are produced
The overwhelming majority is transmitted in system by fluid pressure line, and the long-term sustained vibration of pipeline can cause tube wall and the fatigue of support to break
Bad, ultimately result in pipe-line system failure.And installation pipeline support, and installation elastic damping material is control between support and pipeline
The normal method of pipeline vibration processed.Wherein rubber, silica gel, Colophonium etc. are most commonly seen damping materials, but their all existence
The energy problem that parameter immobilizes, controlled vibration frequency range is narrower, it is impossible to meet hydraulic pressure system under high speed and high pressure development trend
The demand of system wide frequency domain vibration control.
Content of the invention
Present invention aim at provide one kind can change and change in real time according to hydraulic plumbing system frequency of vibration, amplitude
Damping value based on vibrating power-generation intelligence half active absorbing rubber cushion of mutative damp.
For achieving the above object, technical scheme below is employed：Absorbing rubber cushion of the present invention includes vibrating power-generation layer, Jie
Electric elastomer layer and rubber layer, vibrating power-generation layer, dielectric elastomer layer, rubber layer bond the three-layer combined structure of composition successively；
Vibrating power-generation layer is used as the internal layer of absorbing rubber cushion, and rubber layer is used as the outer layer of absorbing rubber cushion.
Further, the vibrating power-generation layer by main body soft rubber, FDT piezoelectric membrane, conductive plate A, conductive plate B,
Circuit protection and control unit composition；Conductive plate A, circuit protection and control unit, conductive plate B, FDT piezoelectric membrane are successively
Bonding rearmounted enter main body soft rubber in, and conductive plate A contacted with dielectric elastomer layer.
Further, the study on intellectual damping material that described dielectric elastomeric layer is composited with PHT for silicone rubber.
Further, the circuit protection and control unit by control source joint, rectifier bridge, LM2907 controller,
LC oscillating circuit, C2 super capacitor and voltage output joint composition；Control source joint, rectifier bridge, LM2907 controller, LC
Oscillating circuit, C2 super capacitor and voltage output joint are sequentially connected, and control source joint is contacted with conductive plate B, and voltage is defeated
Go out joint to contact with conductive plate A；The electric energy of generation is transferred to rectifier bridge, LM2907 controller, LC by control source joint
Oscillating circuit, C2 super capacitor, electric energy after treatment is transferred to on conductive plate A by voltage output joint, then will
Electric energy is exported to dielectric elastomer.
Further, described FDT piezoelectric membrane is 1-3 type piezo-electricity composite material, parallel by one-dimensional piezoelectric ceramics post
Be arranged in the biphase piezo-electricity composite material that constitute in the polymer of three-dimensional communication.
Further, the conductive plate A and conductive plate B are the steel plate with toughness.
Compared with prior art, the invention has the advantages that：
1st, a range of vibration near the pipeline vibration fundamental frequency of elastomeric material adsorption frequency can be utilized, while also can be by
The frequency of fluid pressure line outer wall is converted into electric energy away from the vibration of fundamental vibration frequency scope in the form of vibrating power-generation, and uses it for
Change the damped coefficient of study on intellectual damping material：When frequency of vibration is high, vibration amplitude is big, the electric energy of generation is big, study on intellectual damping material
Damping value is big；Frequency of vibration is low, vibration amplitude hour, and the electric energy of generation is little, and study on intellectual damping material damping value is little.Realize according to pipe
The size of the frequency and amplitude of road vibration, intelligent Matching damped coefficient is reducing its frequency of vibration and amplitude, absorb the mesh of vibration
's.
2nd, in use can according to the random cutting of pipeline parameter, be easy to use.
3rd, circuit components are all from microelement, compact structure, it is easy to install.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the sectional view of the vibrating power-generation layer of the present invention.
Fig. 3 is the schematic layout pattern of the circuit protection of the present invention and control unit.
Fig. 4 is the circuit diagram of the circuit protection of the present invention and control unit.
Drawing reference numeral：1- vibrating power-generation layer, 2- dielectric elastomer layer, 3- rubber layer, 4- main body soft rubber, 5-FDT piezoelectricity
Thin film, 6- conductive plate A, 7- conductive plate B, 8- circuit protection and control unit, 9- control source joint, 10- rectifier bridge,
11-LM2907 controller, 12-LC oscillating circuit, 13-C2 super capacitor, 14- voltage output joint, 15- and dielectric elastomer layer
The conductive plate of contact.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, absorbing rubber cushion of the present invention includes vibrating power-generation layer 1, dielectric elastomer layer 2 and rubber layer 3, shake
Dynamic electric layer, dielectric elastomer layer, rubber layer bond the three-layer combined structure of composition successively；Vibrating power-generation layer is used as absorbing rubber cushion
Internal layer, rubber layer is used as the outer layer of absorbing rubber cushion.
The study on intellectual damping material that dielectric elastomeric layer is composited with PHT for silicone rubber.When by conductive plate output to Jie
When the voltage value of electric elastomer is higher, dielectric elastomer assumes the characteristic of high-damping；When by conductive plate output to dielectric
When the voltage value of elastomer is relatively low, dielectric elastomer presents low damping characteristic.
As shown in Fig. 2 vibrating power-generation layer by main body soft rubber 4, FDT piezoelectric membrane 5, conductive plate A6, conductive plate B7,
Circuit protection and control unit 8 constitute；Conductive plate A, circuit protection and control unit, conductive plate B, FDT piezoelectric membrane according to
Secondary bonding rearmounted enter main body soft rubber in, and conductive plate A contacted with dielectric elastomer layer.Conductive plate A and conductive plate B are
Steel plate with certain toughness, for the conduction of voltage.
FDT piezoelectric membrane is 1-3 type piezo-electricity composite material, is arranged in parallel in three-dimensional communication by one-dimensional piezoelectric ceramics post
Polymer in constitute biphase piezo-electricity composite material.There is very high piezoelectric voltage coefficient and preferable pliability.Work as pipeline
During vibration, FDT piezoelectric membrane is pressurized, and its direct piezoelectric effect can produce certain voltage.
As shown in figure 3, circuit protection and control unit are by control source joint 9, rectifier bridge 10, LM2907 controller
11st, LC oscillating circuit 12, C2 super capacitor 13 and voltage output joint 14 constitute；Control source joint, rectifier bridge, LM2907
Controller, LC oscillating circuit, C2 super capacitor and voltage output joint are sequentially connected, and control source joint is connect with conductive plate B
Touch, voltage output joint is contacted with conductive plate A；The electric energy of generation is transferred to rectifier bridge, LM2907 by control source joint
Controller, LC oscillating circuit, C2 super capacitor, electric energy after treatment is transferred to and conductive plate A by voltage output joint
On, then electric energy is exported to dielectric elastomer.
As shown in figure 4, C1 ultracapacitor 15, C1, C2 super capacitor has that charge rate is fast and charging circuit is simple
Advantage, is the energy storage device between capacitor and battery, it can have the characteristics that capacitor can with fast charging and discharging,
There is the energy storage mechnism of electrochemical cell again.Two electric capacity collectively constitute filter circuit, make to reduce in output voltage as far as possible in circuit
AC compounent, be allowed to be close to preferable DC voltage.C1 and L1 constitutes charge transfer circuit, after having voltage x current input, electricity
Road starts LC vibration, can both store the electricity that vibration is produced, can be consumed by inductance again.Four diode composition full-bridges are whole
Current circuit, can export unidirectional, steady voltage.LM2907N is integrated form frequency/voltage mini converter.Contain in chip
Comparator, charge pump, high gain operational amplifier, it is the monolithic integrated optical circuit with high gain operational amplifier/comparator.
Its output voltage is directly proportional to incoming frequency.When from vibrating power-generation layer input voltage, controller can be converted into frequency signal
Voltage value signal, then export next stage.
The workflow of the present invention is as follows：
When pipeline occurs vibration, frequency is a range of near pipeline vibration fundamental frequency to be vibrated directly by vibrating power-generation
The main body soft rubber of layer and rubber layer absorb；Frequency is then inhaled by dielectric elastomeric layer away from the vibration of pipeline vibration base frequency range
Receive.
The energy for being produced using pipeline vibration makes built-in vibrating power-generation layer produce voltage, and voltage is via electric layer
Positive and negative connector, conductive plate AB, circuit protection and control unit control source joint output arrive by rectifier bridge, LM2907
On controller, LC oscillating circuit, the circuit protection of C2 super capacitor composition and control unit.When pipeline vibration frequency is higher, shake
The electric voltage frequency that dynamic electric layer is produced is corresponding higher, when pipeline vibration amplitude is larger, the voltage value phase that vibrating power-generation layer is produced
Strain is big, and when the control source of altofrequency or high numerical value is to circuit protection and control unit, controller can be altofrequency or height
The voltage signal unification of amplitude is adjusted to the voltage signal of high numerical value；In the same manner, when pipeline vibration frequency is relatively low or vibration amplitude relatively
Hour, the voltage signal of low numerical value is exported after processing of circuit.If high voltage signal, simultaneously exorbitant expenditure is electric for circuit storage
Amount, if low voltage signal, normal circuit operation.The voltage signal of output is by circuit protection and the voltage output of control unit
Joint, is input on the conductive plate for being contacted with dielectric elastomer layer, then voltage is acted on dielectric elastomer.Damping is variable
Dielectric elastomer be elastomeric material with high-k, its changeable shape or volume under extraneous electricity irritation,
When the different signals of telecommunication are received, itself assume the damping characteristic corresponding with the signal of telecommunication, i.e.,：High voltage signal is high resistant nit
Property, low voltage signal is low damping characteristic, to realize the purpose that adsorption frequency is vibrated outside pipeline vibration base frequency range.
Embodiment described above is only that the preferred embodiment of the present invention is described, not the model to the present invention
Enclose and be defined, on the premise of without departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention
Various modifications and improvement that case is made, all should fall in the protection domain of claims of the present invention determination.
Claims (6)
1. a kind of based on vibrating power-generation intelligence half active absorbing rubber cushion of mutative damp, it is characterised in that：The absorbing rubber cushion includes to shake
Dynamic electric layer, dielectric elastomer layer and rubber layer, vibrating power-generation layer, dielectric elastomer layer, rubber layer bond three layers of composition successively
Composite structure；Vibrating power-generation layer is used as the internal layer of absorbing rubber cushion, and rubber layer is used as the outer layer of absorbing rubber cushion.
2. according to claim 1 a kind of based on vibrating power-generation intelligence half active absorbing rubber cushion of mutative damp, it is characterised in that：
The vibrating power-generation layer is by main body soft rubber, FDT piezoelectric membrane, conductive plate A, conductive plate B, circuit protection and control unit
Composition；Conductive plate A, circuit protection and control unit, conductive plate B, FDT piezoelectric membrane bond successively rearmounted enter the soft rubber of main body
In glue, and conductive plate A is contacted with dielectric elastomer layer.
3. according to claim 1 a kind of based on vibrating power-generation intelligence half active absorbing rubber cushion of mutative damp, it is characterised in that：
The study on intellectual damping material that described dielectric elastomeric layer is composited with PHT for silicone rubber.
4. according to claim 2 a kind of based on vibrating power-generation intelligence half active absorbing rubber cushion of mutative damp, it is characterised in that：
The circuit protection and control unit are super by control source joint, rectifier bridge, LM2907 controller, LC oscillating circuit, C2
Electric capacity and voltage output joint composition；Control source joint, rectifier bridge, LM2907 controller, LC oscillating circuit, the super electricity of C2
Hold and voltage output joint is sequentially connected, control source joint is contacted with conductive plate B, voltage output joint and conductive plate A
Contact；The electric energy of generation is transferred to rectifier bridge, LM2907 controller, LC oscillating circuit, the super electricity of C2 by control source joint
Hold, electric energy after treatment is transferred to on conductive plate A by voltage output joint, is exported electric energy to dielectric elastomeric then
Body.
5. according to claim 2 a kind of based on vibrating power-generation intelligence half active absorbing rubber cushion of mutative damp, it is characterised in that：
Described FDT piezoelectric membrane is 1-3 type piezo-electricity composite material, is arranged in parallel in three-dimensional communication by one-dimensional piezoelectric ceramics post
The biphase piezo-electricity composite material for constituting in polymer.
6. according to claim 2 a kind of based on vibrating power-generation intelligence half active absorbing rubber cushion of mutative damp, it is characterised in that：
The conductive plate A and conductive plate B are the steel plate with toughness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825983.1A CN106452176A (en) | 2016-09-18 | 2016-09-18 | Smart damping-varying semi-active vibration absorption rubber mat based on vibration generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825983.1A CN106452176A (en) | 2016-09-18 | 2016-09-18 | Smart damping-varying semi-active vibration absorption rubber mat based on vibration generation |
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| Publication Number | Publication Date |
|---|---|
| CN106452176A true CN106452176A (en) | 2017-02-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610825983.1A Pending CN106452176A (en) | 2016-09-18 | 2016-09-18 | Smart damping-varying semi-active vibration absorption rubber mat based on vibration generation |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116868A (en) * | 2017-04-25 | 2017-09-01 | 成都新柯力化工科技有限公司 | A kind of green energy conservation piezo-electric generating thin slice and preparation method |
| CN108488291A (en) * | 2018-04-02 | 2018-09-04 | 上海交通大学 | Dielectric elastomer active vibration isolation air spring |
| CN108506399A (en) * | 2018-04-02 | 2018-09-07 | 上海交通大学 | Adjustable rigidity support device based on dielectric elastomer |
| CN109683639A (en) * | 2018-12-06 | 2019-04-26 | 中国电子工程设计院有限公司 | A kind of control method and device of active vibration isolation |
| CN110048641A (en) * | 2019-05-17 | 2019-07-23 | 西南交通大学 | A kind of device and method recycling friction self-excited vibration energy |
| CN110513417A (en) * | 2019-08-28 | 2019-11-29 | 杭州电子科技大学 | A kind of parallel damping stability maintenance vibration damping prisoner energy device |
| CN115313795A (en) * | 2022-08-17 | 2022-11-08 | 西安铁路信号有限责任公司 | Method for absorbing low-frequency wave and converting low-frequency wave into electric energy |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116868A (en) * | 2017-04-25 | 2017-09-01 | 成都新柯力化工科技有限公司 | A kind of green energy conservation piezo-electric generating thin slice and preparation method |
| CN108488291A (en) * | 2018-04-02 | 2018-09-04 | 上海交通大学 | Dielectric elastomer active vibration isolation air spring |
| CN108506399A (en) * | 2018-04-02 | 2018-09-07 | 上海交通大学 | Adjustable rigidity support device based on dielectric elastomer |
| CN108506399B (en) * | 2018-04-02 | 2020-02-18 | 上海交通大学 | Adjustable rigidity support device based on dielectric elastomer |
| CN109683639A (en) * | 2018-12-06 | 2019-04-26 | 中国电子工程设计院有限公司 | A kind of control method and device of active vibration isolation |
| CN110048641A (en) * | 2019-05-17 | 2019-07-23 | 西南交通大学 | A kind of device and method recycling friction self-excited vibration energy |
| CN110513417A (en) * | 2019-08-28 | 2019-11-29 | 杭州电子科技大学 | A kind of parallel damping stability maintenance vibration damping prisoner energy device |
| CN110513417B (en) * | 2019-08-28 | 2021-04-30 | 杭州电子科技大学 | Parallel damping dimension-stability vibration reduction energy harvesting device |
| CN115313795A (en) * | 2022-08-17 | 2022-11-08 | 西安铁路信号有限责任公司 | Method for absorbing low-frequency wave and converting low-frequency wave into electric energy |
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Application publication date: 20170222 |