CN103326617A - Vibration reduction and energy recovery system based on piezoelectric composites and manufacturing method thereof - Google Patents
Vibration reduction and energy recovery system based on piezoelectric composites and manufacturing method thereof Download PDFInfo
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- CN103326617A CN103326617A CN2013102003175A CN201310200317A CN103326617A CN 103326617 A CN103326617 A CN 103326617A CN 2013102003175 A CN2013102003175 A CN 2013102003175A CN 201310200317 A CN201310200317 A CN 201310200317A CN 103326617 A CN103326617 A CN 103326617A
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Abstract
The invention relates to a vibration reduction and energy recovery system based on piezoelectric composites. The vibration reduction and energy recovery system is composed of a vibration reduction and electricity generating system, a boosting and energy storage system and an intelligent monitoring system. The vibration reduction and electricity generating system is provided with the piezoelectric composites (1) and fiber reinforced composites (2) placed on the piezoelectric composites (1), and piezoelectric ceramic pieces (3) are paved in the piezoelectric composites (1). The boosting and energy storage system is composed of a boosting module and an energy storage module which are connected through electric signals. The intelligent monitoring system is composed of an upper computer microprocessor, a lower computer microprocessor and a single chip microcomputer which are connected through interfaces by data lines. The vibration reduction and energy recovery system based on the piezoelectric composites has the advantages that vibration and noise are reduced, the service life of equipment is prolonged, the safety and the comfort are improved, mechanical energy is converted into clean energy, namely electric energy, through intelligent monitoring to the vibration, and the electric energy is provided for the outside to use.
Description
Technical field
The present invention relates to material subject with electronics, communicate by letter and the automatic control technology field especially a kind of vibration damping and energy-recuperation system based on piezo-electricity composite material.
Background technology
Damping material is can change the solid mechanical vibrational energy energy of heat energy, electric energy, magnetic energy or other form into and a kind of functional material of losing, is mainly used in vibration and noise and controls.According to its characteristic, damping material can be divided into five kinds of rubber and plastics damping sheet, rubber and foamed plastics, high damping alloy material, damp composite material and damping paints.The damping capacity of material can be weighed according to the ability of its dissipates vibration energy, and the standard of estimating the damping size is damping coefficient.
Piezoelectric is that a kind of being under pressure made voltage can appear in the time spent between both ends of the surface crystalline material.Piezoelectric can produce electric field because of mechanical deformation, also can be because electric field action produces mechanical deformation, this intrinsic electromechanical Coupling so that piezoelectric in engineering, be widely used.Piezoelectric can be divided three classes: inorganic piezoelectric material, organic piezoelectric materials and composite piezoelectric material.
Piezoelectric effect is that some dielectric is when being out of shape in the effect that is subject in a certain direction external force, its inner meeting produces polarization phenomena, positive and negative opposite electric charge appears in two apparent surfaces at it simultaneously, on the contrary, when applying electric field in the 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, can produce certain mechanical force by piezoelectric being applied voltage, use 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, in order to effectively realize the conversion storage of vibration and noise reducing and electric energy.
Technical solution problem of the present invention is by the following technical solutions:
Vibration damping and energy-recuperation system based on piezo-electricity composite material provided by the invention, by vibration damping and electricity generation system, boost and energy-storage system, intelligent monitor system form, wherein: the fibre reinforced composites that vibration damping and electricity generation system are provided with piezo-electricity composite material and are located thereon are equipped with piezoelectric ceramic piece in piezo-electricity composite material; Boost and energy-storage system is comprised of the boost module and the energy-storage module that link to each other with the signal of telecommunication; Intelligent monitor system is by forming by host computer, slave computer microprocessor and the single-chip microcomputer that interface links to each other with data wire.
Described piezo-electricity composite material can link to each other with the fibre reinforced composites bonding by resin.
The lead-in wire that described piezoelectric ceramic piece polarization is welded out boosts with the outside and accumulator is connected, and piezo-electricity composite material work produces alternating current, to storing after the AC rectification, filtering, voltage stabilizing and the amplification that produce.(please indicate " its ")
Described boost module mainly adopts charge pump that the voltage that piezoelectric ceramic piece produces is boosted, and this booster circuit does not need to add in addition start-up circuit.
Described energy-storage module can adopt HB6299 as the battery charging circuit of main control chip.
Above-mentioned vibration damping and energy-recuperation system based on piezo-electricity composite material provided by the invention, its preparation method adopts following steps:
(1) according to frequency and the amplitude of extraneous vibration, prepares piezo-electricity composite material and fibre reinforced materials;
(2) with piezo-electricity composite material and the fibre reinforced materials of preparation, according to applied environment, utilize the mode of adhesive or welding that they are linked together, then paste the surface that needs the vibration control position, or directly use as structural member;
(3) design booster circuit, accumulator and single-chip computer control system are set the host computer procedure parameter;
(4) go out lead-in wire in the piezoelectric ceramic piece surface soldered, be connected with booster circuit, accumulator, realize that vibration damping and energy reclaim, be connected with single-chip microcomputer with master system, slave computer microprocessor again, realize real-time intelligent control.
The present invention can adopt following methods to prepare piezo-electricity composite material:
(1) with the piezoelectric ceramic piece polarization, and the welding output lead;
(2) piezoelectric ceramic powder and conductive black are joined respectively in the ethanolic solution of silane coupler, carry out surface treatment, filtration drying then obtains the piezoelectric ceramic powder of surface modification;
(3) piezoelectric ceramic powder after the surface modification is mixed with epoxy resin, add conductive black again, at room temperature then mechanical agitation places the supersonic oscillations instrument to vibrate the material that stirs, and obtains compound;
(4) compound is added amine curing agent, after stirring it is cast in the mould fullly to 1/2-2/3, and the piezoelectric ceramic piece of processing in the 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, after stirring, will carry out second pouring to full with mold, and under normal temperature, solidify, solidify after being warming up to again 120 ℃, then with the stove cooling, polish after the demoulding.
The present invention can adopt following methods to prepare fibre reinforced materials:
(1) size is prepared mould as required, and is dry behind the smearing release agent;
(2) size cutting fiber cloth as required, dried for standby;
(3) prepare resin adhesive liquid, the glue proportioning is epoxy resin: polyethylene polyamine: polyamide: carbon black=100:10:30:6;
(4) stick with paste technique with hand and prepare fibre reinforced composites, curing cycle is room temperature gel 4h, and 100 ℃ solidify 2h;
(5) behind the completion of cure, the demoulding, reprocessing, check quality of item.
Described adhesive can adopt epoxy resin seccotine or 101 glue.
The present invention compared with prior art, its major advantage is:
1. take full advantage of that ubiquitous pressure-acting just can produce electric charge in piezo-electricity composite material quickly by its piezoelectric effect in the daily life, mechanical energy is converted into broad-spectrum electric energy;
2. vibration damping when energy storage has reduced as vibration damping needs the electric energy that consumes, and is further energy-conservation;
3. piezoelectric ceramic is made piezo-electricity composite material, solved the pottery problem that restriction uses of can not large tracts of land laminating, make the applicability of system wider;
4. different shape and size, applying flexible can according to actual application environment, be made with material by this system;
5. by the design of master system, slave computer microprocessor and single-chip microcomputer, realize Based Intelligent Control.
Description of drawings
Fig. 1 is the structural representation of vibration damping of the present invention and energy-recuperation system.
Embodiment
The present invention adopts the method with piezoelectric and damping material composite integrated, is aided with the absorption conversion that peripheral system carries out energy again, and a kind of vibration damping based on piezo-electricity composite material and energy-recuperation system are provided.
Further illustrate content of the present invention below in conjunction with embodiment and accompanying drawing, but not only be confined to the following examples.
Embodiment 1: based on vibration damping and the energy-recuperation system of piezo-electricity composite material
Referring to Fig. 1, should based on the vibration damping of piezo-electricity composite material and energy-recuperation system by vibration damping and electricity generation system, boost and energy-storage system, intelligence control system form.Piezo-electricity composite material 1 and fibre reinforced composites 2 can be chosen different materials according to practical application, set simultaneously its shape and size; Piezo-electricity composite material 1 is realized vibration signal to the conversion of the signal of telecommunication, and fibre reinforced composites 2 play the effect that improves bulk strength.Boost and energy-storage system receives the energy that vibration insulating system transmits, and transform and store a 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 that are provided with piezo-electricity composite material 1 and are located thereon, they link to each other by resin-bonded.In piezo-electricity composite material 1, be provided with the piezoelectric ceramic piece 3 of a plurality of equally distributed independent roles.
Described boost and energy-storage system is comprised of boost module and energy-storage module two parts of linking to each other with the signal of telecommunication, wherein: boost module mainly adopts charge pump that the voltage that pottery piezoelectricity ceramics produces is boosted, this booster circuit does not need to add in addition start-up circuit, forms fairly simple and stable relatively high; Energy-storage module adopts HB6299 as the battery charging circuit of main control chip, and HB6299 has maximum input current restriction, short-circuit protection function, can gather, the temperature information for the treatment of of battery, guarantees the trouble free service of rechargeable battery.
Described intelligent monitor system is by forming by host computer, slave computer microprocessor and the single-chip microcomputer that interface links to each other with data wire, wherein: host computer is industrial computer, and this industrial computer is provided with connection attribute, electric weight feedback, waveform drawing, video monitoring and 5 programs of pattern control; Responsible the communicating with slave computer of connection attribute is connected, electric weight feedback and waveform drawing are responsible for feeding back piezo-electricity composite material real-time working state, video monitoring is responsible for the piezo-electricity composite material operational environment is carried out purpose monitoring, and pattern control selects manually or automatically mode to monitor corresponding piezo-electricity composite material plate according to actual conditions.The slave computer microprocessor is used for realizing the information communication transmission with host computer.Single-chip microcomputer is used for serial communication and the control circuit of realization slave computer microprocessor and master system and builds.
2 one kinds of preparation methods based on vibration damping and the energy-recuperation system of piezo-electricity composite material of embodiment
Steps of the method are:
(1) preparation in early stage: according to frequency and the amplitude of extraneous vibration, determine the kind of required piezo-electricity composite material and fibre reinforced composites, the number of piezoelectric ceramic piece 3.
(2) piezo-electricity composite material 1 of preparation moulding: go out lead-in wire in piezoelectric ceramic piece 3 surface soldered, and piezoelectric ceramic piece is imbedded in the mixed system of resin, piezoelectric ceramic powder and conductive black curing molding.
Adopt the piezo-electricity composite material of following proportioning preparation:
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.With the damping ratio of steel as reference, comprehensive various countries situation, generally between 0.01-0.02, the damping ratio of this piezo-electricity composite material is more many greatly than steel for the damping ratio of steel construction, illustrates that the damping capacity of this piezo-electricity composite material is good.
(3) mode of utilizing adhesive or welding is pasted fibre reinforced composites 2 on the surface, position of need vibration damping, and described adhesive can adopt epoxy resin seccotine or 101 glue etc.
(4) design booster circuit, accumulator and single-chip computer control system are set the host computer procedure parameter.With the piezoelectric ceramic piece lead-in wire, be connected with booster circuit, accumulator, realize that vibration damping and energy reclaim, be connected with single-chip microcomputer with master system, slave computer microprocessor again, realize real-time intelligent control;
Through above-mentioned steps, realize Preparation Example 1 described vibration damping and energy-recuperation system based on piezo-electricity composite material.
Described booster circuit is comprised of filter rectifier and DC/DC booster circuit, wherein: filter rectifier adopts full-wave rectifying circuit, booster circuit adopt the high magnification of S-882Z series charge pump and SII to boost ultralow input voltage booster circuit that DC/DC S-8377B consists of.
Described accumulator is comprised of MAX666 integrated circuit and super capacitor, and wherein: the 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 comprised of master controller and AD data acquisition module, wherein: master controller CPU adopts the ADuC845 processor to realize the data algorithm analysis, and the AD data acquisition module adopts the built-in A/D conversion module of ADuC845 that collection capacity is realized mould/number conversion.
Embodiment 3: the exploitation of intelligent monitor system
Intelligent monitoring that the present invention has passed through host computer, slave computer microprocessor and chip microcontroller.
(1) this intelligence control system is based on the serial communication realization by the control of host computer procedure to using electricity system.The work of controlling manually or automatically piezo-electricity composite material by host computer by camera collection personnel dense degree whether, reduce unnecessary power supply waste and the performance loss of piezo-electricity composite material in the time of the collection electric energy of maximum, reduce the disposal of pollutants that electricity generation system commonly used produces, the saves energy energy of maximum optionally uses each using electricity system according to actual conditions simultaneously.
(2) build by the single-chip microcomputer switch realization slave computer microprocessor of this intelligence control system and serial communication and the control circuit of master system.
Claims (9)
1. vibration damping and energy-recuperation system based on a piezo-electricity composite material, it is characterized in that by vibration damping and electricity generation system, boost and energy-storage system, intelligent monitor system form, 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 are equipped with piezoelectric ceramic piece (3) in piezo-electricity composite material (1); Boost and energy-storage system is comprised of the boost module and the energy-storage module that link to each other with the signal of telecommunication; Intelligent monitor system is by forming by host computer, slave computer microprocessor and the single-chip microcomputer that interface links to each other with data wire.
2. vibration damping and energy-recuperation system based on piezo-electricity composite material as claimed in claim 1 is characterized in that described piezo-electricity composite material (1) links to each other with fibre reinforced composites (2) bonding by resin.
3. vibration damping and energy-recuperation system based on piezo-electricity composite material as claimed in claim 1, it is characterized in that lead-in wire that described piezoelectric ceramic piece (3) polarization is welded out boosts with the outside and accumulator is connected, piezo-electricity composite material (1) work produces alternating current, to storing after the AC rectification, filtering, voltage stabilizing and the amplification that produce.
4. vibration damping and energy-recuperation system based on piezo-electricity composite material as claimed in claim 1 is characterized in that described boost module mainly adopts charge pump that the voltage that piezoelectric ceramic piece (3) produces is boosted, and this booster circuit does not need to add in addition start-up circuit.
5. vibration damping and energy-recuperation system based on piezo-electricity composite material as claimed in claim 1 is characterized in that described energy-storage module adopts HB6299 as the battery charging circuit of main control chip.
6. the preparation method of described vibration damping and the energy-recuperation system based on piezo-electricity composite material of arbitrary claim in the claim 1 to 5 is characterized in that adopting the preparation method of following steps:
1) according to frequency and the amplitude of extraneous vibration, prepares piezo-electricity composite material (1) and fibre reinforced materials (2);
2) with piezo-electricity composite material (1) and the fibre reinforced materials (2) of preparation, according to applied environment, utilize the mode of adhesive or welding that they are linked together, then paste the surface that needs the vibration control position, or directly use as structural member;
3) design booster circuit, accumulator and single-chip computer control system are set the host computer procedure parameter;
4) go out lead-in wire in the piezoelectric ceramic piece surface soldered, be connected with booster circuit, accumulator, realize that vibration damping and energy reclaim, be connected with single-chip microcomputer with master system, slave computer microprocessor again, realize real-time intelligent control.
7. method according to claim 6 is characterized in that the method for preparing described piezo-electricity composite material is:
(1) with the piezoelectric ceramic piece polarization, and the welding output lead;
(2) piezoelectric ceramic powder and conductive black are joined respectively in the ethanolic solution of silane coupler, carry out surface treatment, filtration drying then obtains the piezoelectric ceramic powder of surface modification;
(3) piezoelectric ceramic powder after the surface modification is mixed with epoxy resin, add conductive black again, at room temperature then mechanical agitation places the supersonic oscillations instrument to vibrate the material that stirs, and obtains compound;
(4) compound is added amine curing agent, after stirring it is cast in the mould fullly to 1/2-2/3, and the piezoelectric ceramic piece of processing in the above-mentioned steps (1) is layered on mix surface, treat its gel;
(5) repeat above-mentioned steps (3), obtain the compound of same amount, then add curing agent, after stirring, will carry out second pouring to full with mold, and under normal temperature, solidify, solidify after being warming up to again 120 ℃, then with the stove cooling, polish after the demoulding.
8. method according to claim 6 is characterized in that the method for preparing described fibre reinforced materials is:
(1) size is prepared mould as required, and is dry behind the smearing release agent;
(2) size cutting fiber cloth as required, dried for standby;
(3) prepare resin adhesive liquid, the glue proportioning is epoxy resin: polyethylene polyamine: polyamide: carbon black=100:10:30:6;
(4) stick with paste technique with hand and prepare fibre reinforced composites, curing cycle is room temperature gel 4h, and 100 ℃ solidify 2h;
(5) behind the completion of cure, the demoulding, reprocessing, check quality of item.
9. method according to claim 6 is characterized in that described adhesive adopts epoxy resin seccotine or 101 glue.
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Cited By (5)
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| CN106533259A (en) * | 2016-11-29 | 2017-03-22 | 上海斐讯数据通信技术有限公司 | 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 |
| 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 |
| CN110330764A (en) * | 2019-04-29 | 2019-10-15 | 武汉理工大学 | Piezoelectric anisotropy damping material and preparation method thereof, application |
| CN111307344A (en) * | 2020-03-05 | 2020-06-19 | 西南交通大学 | Intelligent electric friction carbon composite material and manufacturing method and service monitoring method thereof |
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| 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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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533259A (en) * | 2016-11-29 | 2017-03-22 | 上海斐讯数据通信技术有限公司 | Watch self-power-generation circuit and method based on piezoelectric ceramic piece |
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| 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 |
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| 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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