CN103326617B - Based on the vibration damping and energy-recuperation system and preparation method thereof of piezo-electricity composite material - Google Patents
Based on the vibration damping and energy-recuperation system and preparation method thereof of piezo-electricity composite material Download PDFInfo
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- CN103326617B CN103326617B CN201310200317.5A CN201310200317A CN103326617B CN 103326617 B CN103326617 B CN 103326617B CN 201310200317 A CN201310200317 A CN 201310200317A CN 103326617 B CN103326617 B CN 103326617B
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Abstract
The present invention relates to a kind of vibration damping based on piezo-electricity composite material and energy-recuperation system, this system is made up of vibration damping and electricity generation system, boosting and energy-storage system, intelligent monitor system, wherein: the fibre reinforced composites (2) that vibration damping and electricity generation system are provided with piezo-electricity composite material (1) and are located thereon, in piezo-electricity composite material (1), piezoelectric ceramic piece (3) is equipped with; Boosting and energy-storage system are made up of the boost module be connected with the signal of telecommunication and energy-storage module; Intelligent monitor system is made up of host computer, slave computer microprocessor and the single-chip microcomputer be connected by interface with data wire.Advantage of the present invention be vibration and noise reducing, improve equipment life and traffic safety and riding comfort while, by vibration intelligent monitoring, be clean energy resource electric energy by changes mechanical energy, for outside.
Description
Technical field
The present invention relates to material subject with electronics, communicate and automatic control technology field, especially a kind of vibration damping based on piezo-electricity composite material and energy-recuperation system.
Background technology
Damping material solid mechanical vibrational energy can be changed into the energy of heat energy, electric energy, magnetic energy or other form and a kind of functional material lost, and is mainly used in vibration and noise control.According to its characteristic, damping material can be divided into rubber and plastics damping sheet, rubber and foamed plastics, high damping alloy material, damp composite material and damping paint five kinds.The damping capacity of material can be weighed according to the ability of its dissipates vibration energy, and the standard evaluating damping size is damping coefficient.
Piezoelectric is that the crystalline material of voltage can appear in a kind of being under pressure between both ends of the surface when acting on.Piezoelectric can produce electric field because of mechanical deformation, also can produce mechanical deformation because of electric field action, and this intrinsic electromechanical Coupling makes piezoelectric be widely used in engineering.Piezoelectric can be divided three classes: inorganic piezoelectric material, organic piezoelectric materials and composite piezoelectric material.
Piezoelectric effect is that some dielectric when being subject to the effect of external force and being out of shape in a certain direction, its inside can produce polarization phenomena, on its two apparent surfaces, there is positive and negative contrary electric charge simultaneously, on the contrary, when applying electric field on polarization of dielectric direction, these dielectrics also can deform.Based on direct piezoelectric effect, vibration signal can be converted into voltage signal, use as transducer.Based on inverse piezoelectric effect, producing certain mechanical force by applying voltage to piezoelectric, using as driver.
Summary of the invention
Problem to be solved by this invention is: provide a kind of vibration damping based on piezo-electricity composite material and energy-recuperation system, so that the conversion effectively realizing vibration and noise reducing and electric energy stores.
Technical solution problem of the present invention is by the following technical solutions:
Vibration damping based on piezo-electricity composite material provided by the invention and energy-recuperation system, be made up of vibration damping and electricity generation system, boosting and energy-storage system, intelligent monitor system, wherein: the fibre reinforced composites that vibration damping and electricity generation system are provided with piezo-electricity composite material and are located thereon, in piezo-electricity composite material, piezoelectric ceramic piece is equipped with; Boosting and energy-storage system are made up of the boost module be connected with the signal of telecommunication and energy-storage module; Intelligent monitor system is made up of host computer, slave computer microprocessor and the single-chip microcomputer be connected by interface with data wire.
Described piezo-electricity composite material can be bondd with fibre reinforced composites by resin and be connected.
The polarize lead-in wire that welds out of described piezoelectric ceramic piece boost with outside and accumulator is connected, piezo-electricity composite material work generation alternating current, stores after the AC rectification of generation, filtering, voltage stabilizing and amplification.(please indicate " its ")
Described boost module mainly adopts charge pump to boost to the voltage that piezoelectric ceramic piece produces, and this booster circuit does not need separately to add start-up circuit.
Described energy-storage module can adopt HB6299 as the battery charging circuit of main control chip.
The above-mentioned vibration damping based on piezo-electricity composite material provided by the invention and energy-recuperation system, its preparation method adopts following steps:
(1) according to frequency and the amplitude of extraneous vibration, piezo-electricity composite material and fibre reinforced materials is prepared;
(2) by the piezo-electricity composite material of preparation and fibre reinforced materials, according to applied environment, utilize the mode of adhesive or welding they to be linked together, then paste the surface needing vibration control position, or directly use as structural member;
(3) booster circuit is designed, accumulator and single-chip computer control system, setting host computer procedure parameter;
(4) go out lead-in wire in piezoelectric ceramic piece surface soldered, be connected with booster circuit, accumulator, realize vibration damping and energy regenerating, then be connected with single-chip microcomputer with master system, slave computer microprocessor, realize Contrast tuned imaging.
The present invention can adopt following methods to prepare piezo-electricity composite material:
(1) piezoelectric ceramic piece is polarized, and weld output lead;
(2) piezoelectric ceramic powder and conductive black are joined in the ethanolic solution of silane coupler respectively, carry out surface treatment, then filtration drying, obtain the piezoelectric ceramic powder of surface modification;
(3) piezoelectric ceramic powder after surface modification is mixed with epoxy resin, then add conductive black, at room temperature mechanical agitation, then the material of stirring is placed in supersonic oscillations instrument and vibrates, obtain compound;
(4) compound is added amine curing agent, be cast in mould full to 1/2-2/3 after stirring, and the piezoelectric ceramic piece of process in above-mentioned steps (1) is layered on mix surface, treat its gel;
(5) repeat the compound that above-mentioned steps (3) obtains same amount, then add curing agent, second pouring will be carried out to full with mold after stirring, and in ambient temperature curing, then be warming up to 120 DEG C of Post RDBMS, then with stove cooling, polish after the demoulding.
The present invention can adopt following methods to prepare fibre reinforced materials:
(1) size prepares mould as required, dry after smearing release agent;
(2) size cutting fiber cloth as required, dried for standby;
(3) prepare resin adhesive liquid, glue proportioning is epoxy resin: polyethylene polyamine: polyamide: carbon black=100:10:30:6;
(4) stick with paste processes for forming cellulose reinforced composite with hand, curing cycle is room temperature gel 4h, 100 DEG C of solidification 2h;
(5) after completion of cure, the demoulding, reprocessing, inspection quality of item.
Described adhesive can adopt epoxy resin seccotine or 101 glue.
Compared with prior art, its major advantage is in the present invention:
1. making full use of ubiquitous pressure in daily life and act on piezo-electricity composite material, just can produce electric charge quickly by its piezoelectric effect, is broad-spectrum electric energy by changes mechanical energy;
2. vibration damping while energy storage, decrease for vibration damping and need consume electric energy, energy-conservation further;
3. piezoelectric ceramic is made piezo-electricity composite material, solve pottery can not large area laminate restriction application problem, make the applicability of system wider;
4. material according to actual application environment, can be made different shape and size, applying flexible by this system;
5., by the design of master system, slave computer microprocessor and single-chip microcomputer, realize Based Intelligent Control.
Accompanying drawing explanation
Fig. 1 is the structural representation of vibration damping of the present invention and energy-recuperation system.
Embodiment
The present invention adopts the method by piezoelectric and damping material composite integrated, then is aided with the absorption conversion that peripheral system carries out energy, provides a kind of vibration damping based on piezo-electricity composite material and energy-recuperation system.
Illustrate content of the present invention further below in conjunction with embodiment and accompanying drawing, but be not only confined to the following examples.
Embodiment 1: based on vibration damping and the energy-recuperation system of piezo-electricity composite material
See Fig. 1, should be made up of vibration damping and electricity generation system, boosting and energy-storage system, intelligent control system based on vibration damping of piezo-electricity composite material and energy-recuperation system.Piezo-electricity composite material 1 and fibre reinforced composites 2 can choose different materials according to practical application, set its shape and size simultaneously; Piezo-electricity composite material 1 realizes the conversion of vibration signal to the signal of telecommunication, and fibre reinforced composites 2 play the effect improving bulk strength.Boosting and energy-storage system receive the energy that vibration insulating system transmits, and transform a storage part.By master system, slave computer microprocessor and chip microcontroller Based Intelligent Control.
Described vibration damping and electricity generation system, the fibre reinforced composites 2 being provided with piezo-electricity composite material 1 and being located thereon, they are connected by resin-bonded.The piezoelectric ceramic piece 3 of multiple equally distributed independent role is provided with in piezo-electricity composite material 1.
Described boosting and energy-storage system are made up of the boost module be connected with the signal of telecommunication and energy-storage module two parts, wherein: boost module mainly adopts charge pump to boost to the voltage that pottery piezoelectricity ceramics produces, this booster circuit does not need separately to add start-up circuit, forms fairly simple and stability is relatively high; Energy-storage module adopts HB6299 as the battery charging circuit of main control chip, and HB6299 has the restriction of maximum input current, short-circuit protection function, can gather, the temperature information for the treatment of of battery, ensures the trouble free service of rechargeable battery.
Described intelligent monitor system is made up of host computer, slave computer microprocessor and the single-chip microcomputer be connected by interface with data wire, wherein: host computer is industrial computer, this industrial computer is provided with connection attribute, electricity feedback, waveform drawing, video monitoring and Schema control 5 programs; Connection attribute is responsible for communicating to connect with slave computer, electricity feedback and waveform drawing are responsible for the real-time operating state of feedback piezo composite material, video monitoring is responsible for carrying out purpose monitoring to piezo-electricity composite material operational environment, and Schema control selects mode manually or automatically to monitor corresponding piezo-electricity composite material plate according to actual conditions.Slave computer microprocessor, transmits for realizing information communication with host computer.Single-chip microcomputer is built for the serial communication and control circuit realizing slave computer microprocessor and master system.
Embodiment 2 one kinds is based on the vibration damping of piezo-electricity composite material and the preparation method of energy-recuperation system
Steps of the method are:
(1) preparation in early stage: according to frequency and the amplitude of extraneous vibration, determine the number of the kind of required piezo-electricity composite material and fibre reinforced composites, piezoelectric ceramic piece 3.
(2) shaping piezo-electricity composite material 1 is prepared: go out lead-in wire in piezoelectric ceramic piece 3 surface soldered, and imbedded by piezoelectric ceramic piece in the mixed system of resin, piezoelectric ceramic powder and conductive black, curing molding.
Adopt piezo-electricity composite material prepared by following proportioning:
Epoxy resin: piezoelectric ceramic powder: conductive black=100:150:6
The piezo-electricity composite material damping ratio of preparation is 0.053, and fissipation factor is 0.10576.Using the damping ratio of steel as reference, comprehensive various countries situation, the damping ratio of steel construction is generally between 0.01-0.02, and many greatly than steel of the damping ratio of this piezo-electricity composite material, illustrate that the damping capacity of this piezo-electricity composite material is good.
(3) utilize the mode of adhesive or welding fibre reinforced composites 2 to be pasted the portion faces needing vibration damping, described adhesive can adopt epoxy resin seccotine or 101 glue etc.
(4) booster circuit is designed, accumulator and single-chip computer control system, setting host computer procedure parameter.Piezoelectric ceramic piece is gone between, is connected with booster circuit, accumulator, realizes vibration damping and energy regenerating, then be connected with single-chip microcomputer with master system, slave computer microprocessor, realize Contrast tuned imaging;
Through above-mentioned steps, realize preparing the vibration damping based on piezo-electricity composite material described in embodiment 1 and energy-recuperation system.
Described booster circuit is made up of filter rectifier and DC/DC booster circuit, wherein: filter rectifier adopts full-wave rectifying circuit, booster circuit adopts the ultralow input voltage booster circuit that the high magnification boosting DC/DCS-8377B of S-882Z series charge pump and SII is formed.
Described accumulator is made up of MAX666 integrated circuit and super capacitor, wherein: MAX666 integrated circuit adopts HB6299 as main control chip, realizes the charging to super capacitor, then realizes the charging to storage battery.
Described single-chip computer control system is made up of master controller and AD data acquisition module, wherein: master controller CPU adopts ADuC845 processor to realize data algorithm analysis, AD data acquisition module adopts the built-in A/D conversion module of ADuC845 to realize analog/digital conversion to collection capacity.
Embodiment 3: the exploitation of intelligent monitor system
The present invention passes through the intelligent monitoring of host computer, slave computer microprocessor and chip microcontroller.
(1) this intelligent control system realizes by the control of host computer procedure to using electricity system based on serial communication.Whether the work of piezo-electricity composite material is controlled manually or automatically by host computer by camera collection densely populated place degree, unnecessary power supply waste and the performance loss of piezo-electricity composite material is reduced while the collection electric energy of maximum, reduce the disposal of pollutants that conventional electricity generation system produces, the saves energy energy of maximum, optionally uses each using electricity system according to actual conditions simultaneously.
(2) serial communication of slave computer microprocessor and master system is realized by the single-chip microcomputer switch of this intelligent control system and control circuit is built.
Claims (8)
1. the vibration damping based on piezo-electricity composite material and energy-recuperation system, it is characterized in that being made up of vibration damping and electricity generation system, boosting and energy-storage system, intelligent monitor system, wherein: the fibre reinforced composites (2) that vibration damping and electricity generation system are provided with piezo-electricity composite material (1) and are located thereon, in piezo-electricity composite material (1), piezoelectric ceramic piece (3) is equipped with; Boosting and energy-storage system are made up of the boost module be connected with the signal of telecommunication and energy-storage module; Intelligent monitor system is made up of host computer, slave computer microprocessor and the single-chip microcomputer be connected by interface with data wire;
Described piezo-electricity composite material (1) is made up of following methods:
1) piezoelectric ceramic piece is polarized, and weld output lead;
2) piezoelectric ceramic powder and conductive black are joined in the ethanolic solution of silane coupler respectively, carry out surface treatment, then filtration drying, obtain the piezoelectric ceramic powder of surface modification;
3) piezoelectric ceramic powder after surface modification is mixed with epoxy resin, then add conductive black, at room temperature mechanical agitation, then the material of stirring is placed in supersonic oscillations instrument and vibrates, obtain compound;
4) compound is added amine curing agent, is cast in mould full to 1/2-2/3 after stirring, and by above-mentioned steps 1) in the piezoelectric ceramic piece of process be layered on mix surface, treat its gel;
5) above-mentioned steps 3 is repeated), obtain the compound of same amount, then add curing agent, second pouring will be carried out to full with mold after stirring, and in ambient temperature curing, then be warming up to 120 DEG C of Post RDBMS, then with stove cooling, polish after the demoulding.
2., as claimed in claim 1 based on vibration damping and the energy-recuperation system of piezo-electricity composite material, it is characterized in that described piezo-electricity composite material (1) to be bondd with fibre reinforced composites (2) by resin and be connected.
3. as claimed in claim 1 based on vibration damping and the energy-recuperation system of piezo-electricity composite material, it is characterized in that the polarize lead-in wire that welds out of described piezoelectric ceramic piece (3) boosts with outside and accumulator is connected, piezo-electricity composite material (1) work produces alternating current, stores after the AC rectification produced, filtering, voltage stabilizing and amplification.
4., as claimed in claim 1 based on vibration damping and the energy-recuperation system of piezo-electricity composite material, it is characterized in that described boost module mainly adopts charge pump to boost to the voltage that piezoelectric ceramic piece (3) produces, this booster circuit does not need separately to add start-up circuit.
5., as claimed in claim 1 based on vibration damping and the energy-recuperation system of piezo-electricity composite material, it is characterized in that described energy-storage module adopts HB6299 as the battery charging circuit of main control chip.
6. in claim 1 to 5 described in arbitrary claim based on the vibration damping of piezo-electricity composite material and a preparation method for energy-recuperation system, it is characterized in that adopting the preparation method of following steps:
1) according to frequency and the amplitude of extraneous vibration, piezo-electricity composite material (1) and fibre reinforced materials (2) is prepared;
2) by the piezo-electricity composite material (1) of preparation and fibre reinforced materials (2), according to applied environment, utilize the mode of adhesive or welding they to be linked together, then paste the surface needing vibration control position, or directly use as structural member;
3) booster circuit is designed, accumulator and single-chip computer control system, setting host computer procedure parameter;
4) go out lead-in wire in piezoelectric ceramic piece surface soldered, be connected with booster circuit, accumulator, realize vibration damping and energy regenerating, then be connected with single-chip microcomputer with master system, slave computer microprocessor, realize Contrast tuned imaging.
7. method according to claim 6, is characterized in that the method preparing described fibre reinforced materials is:
(1) size prepares mould as required, dry after smearing release agent;
(2) size cutting fiber cloth as required, dried for standby;
(3) prepare resin adhesive liquid, glue weight proportion is epoxy resin: polyethylene polyamine: polyamide: carbon black=100:10:30:6;
(4) stick with paste processes for forming cellulose reinforced composite with hand, curing cycle is room temperature gel 4h, 100 DEG C of solidification 2h;
(5) after completion of cure, the demoulding, reprocessing, inspection quality of item.
8. method according to claim 6, is characterized in that described adhesive adopts epoxy resin seccotine or 101 glue.
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| CN106533259B (en) * | 2016-11-29 | 2019-07-26 | 上海斐讯数据通信技术有限公司 | A kind of wrist-watch self power generation circuit and method based on piezoelectric ceramic piece |
| CN107146600A (en) * | 2017-06-30 | 2017-09-08 | 武汉理工大学 | Marine diesel noise synthesis processing unit and method |
| CN110330764A (en) * | 2019-04-29 | 2019-10-15 | 武汉理工大学 | Piezoelectric anisotropy damping material and preparation method thereof, application |
| CN110284580A (en) * | 2019-07-10 | 2019-09-27 | 贝德科技有限公司 | It is a kind of for handling the integrated pump station of the anti-siltation of industrial wastewater |
| CN111307344B (en) * | 2020-03-05 | 2021-01-26 | 西南交通大学 | Intelligent electric friction carbon composite material and manufacturing method and service monitoring method thereof |
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| CN1610210A (en) * | 2004-11-22 | 2005-04-27 | 西安交通大学 | Rolling stock rail vibration energy piezoelectric power generating method and system thereof |
| CN101323697A (en) * | 2008-07-25 | 2008-12-17 | 中国船舶重工集团公司第七二五研究所 | Epoxide resin based piezoelectric composite damping material and method for preparing the same |
| CN102437282A (en) * | 2011-09-19 | 2012-05-02 | 南京航空航天大学 | Piezoelectric ceramic fibrous composite material and preparation method thereof |
| CN102705433A (en) * | 2012-06-08 | 2012-10-03 | 武汉理工大学 | Intelligent vibration absorption device combining passive damping with active damping |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1610210A (en) * | 2004-11-22 | 2005-04-27 | 西安交通大学 | Rolling stock rail vibration energy piezoelectric power generating method and system thereof |
| CN101323697A (en) * | 2008-07-25 | 2008-12-17 | 中国船舶重工集团公司第七二五研究所 | Epoxide resin based piezoelectric composite damping material and method for preparing the same |
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| CN102705433A (en) * | 2012-06-08 | 2012-10-03 | 武汉理工大学 | Intelligent vibration absorption device combining passive damping with active damping |
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