CN102673337A - Device for generating power by recovering vibration and bump mechanical energy - Google Patents
Device for generating power by recovering vibration and bump mechanical energy Download PDFInfo
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- CN102673337A CN102673337A CN2012101708121A CN201210170812A CN102673337A CN 102673337 A CN102673337 A CN 102673337A CN 2012101708121 A CN2012101708121 A CN 2012101708121A CN 201210170812 A CN201210170812 A CN 201210170812A CN 102673337 A CN102673337 A CN 102673337A
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Abstract
The invention relates to a power generation device, discloses a device for generating power by recovering vibration and bump mechanical energy. The device comprises an automobile suspension, a plurality of piezoelectric ceramics, a shock absorber and a dowel bar; the automobile hanging system comprises a flexible element used for keeping a tire totally contacting with the ground, and buffering vehicle bumps caused by uneven ground; the shock absorber is used for inhibiting the vibration after the elastic element absorbs shocks and is rebounded and the impact from the road surface; the dowel bar is used for finishing transfer of force; and the piezoelectric ceramics are sleeved on the shock absorber of the automobile suspension and are connected with electricity getting device through a wire. The device provided by the invention is simple in structure, does not emit heat, has no electromagnetic interference and has high generation voltage, and the produced energy is clean and reproducible, thus, the device has great significance on environment protection and development and utilization of new energy.
Description
Technical field
The present invention relates to a kind of power generation assembly, relate in particular to thump that a kind of invalid kinetic energy with automobile suspension arrangement the is converted into electric energy mechanical energy of jolting and reclaim power generation assembly.
Background technology
Along with the development of world economy, the consumption of the energy also increases greatly.For now, with the oil be the main energy because supply and demand are seriously unbalance, big bulge in price influences and involves economic development all over the world, brings the situation of very big risk to development of world economy.The Along with people's growth in the living standard, automobile pollution is increasing, and energy source of car consumption shared ratio in total energy consumes is increasingly high, and the vehicle energy saving problem also more and more receives publicity.At present; The electric automobile less to the relative orthodox car of environmental concerns begun place in operation in life, but since current techniques under battery cell's weight storage energy very little, battery is more expensive; Do not form cost-saving scale again; So purchase price is more expensive, and is also uneven as for use cost, this depends primarily on the life-span and local oil, the electricity price lattice of battery.
Be energy savings; Optimize simultaneously and utilize automobile resources; A lot of scholars are devoted to study the vehicle energy saving method, and fruitful, and for example vehicle exhaust generating, automobile waste heat reclaim or the like; Be with the automobile conversion of heat into kinetic energy mostly, the device that the invalid mechanical energy in the running car is converted into effective energy is seldom arranged.
Mechanical energy is ubiquity in surroundings, compares with other energy to be convenient to utilize.Energy converting between mechanical has 3 kinds of typical methods: inductive electromagnetic method, static (electric capacity) conversion and piezoelectricity conversion.Under the prior art condition, the technological comparative maturity of inductive electromagnetic method, energy conversion efficiency is higher relatively.Because it is the relative motion generation electric energy through magnet and coil, so mechanism is complicated, volume is bigger.The static conversion can directly produce 2V to a few volt voltages, can combine with MEMS easily.But the static conversion needs an independent voltage source initialization switching process.The piezoelectricity conversion does not then need like this, and it is higher that voltage takes place, and need not voltage transformer.Piezoelectric produces electric charge under external force; When the quantity of electric charge that is generated is big; Can be used to construct miniature power generating device or directly for electronics package provides power supply, that the advantage of piezoelectric energy gathering-device is is simple in structure, do not generate heat, do not have electromagnetic interference, be easy to the miniaturization, integrated etc. on processing and fabricating and the implementation structure.Utilize piezoelectric ceramic piece can actv. automobile to be produced useless mechanical energy in the process of moving and be converted into electric energy.
Summary of the invention
The present invention is directed to the useless mechanical energy of automobile of the prior art and can't be converted into problems such as available energy; Provide a kind of through utilizing piezoelectric ceramic piece to be shaken the function that produces electric charge; Mechanical energy in the automobile suspension arrangement vibrations process is converted into electric energy, have simple in structure, do not generate heat, no electromagnetic interference, thump that characteristics such as voltage height the take place mechanical energy of jolting reclaims power generation assembly.
In order to solve the problems of the technologies described above, the present invention is able to solve through following technical proposals:
A kind of thump mechanical energy of jolting reclaims power generation assembly, comprising: automobile suspension system and some piezoelectric ceramic pieces;
Described automobile suspension system comprises elastic element, is used to keep tire to contact with ground fully, and the vehicle that the buffering uneven ground causes jolts; Bumper, the concussion when being used to suppress bounce-back after the shock-absorbing of elasticity original paper and impacting from ground-surface; And dowel bar, be used to the transmission of the power of accomplishing;
Described piezoelectric ceramic piece is sleeved on the bumper of said automobile suspension system and is connected by electrical wiring to electricity getting device.
Automobile suspension system is the general name of the vehicle frame and all the power transmission connecting devices between vehicle bridge or the wheel of automobile; Its effect is power and the moment of transfer function between wheel and vehicle frame; Buffering is passed to the impact of vehicle frame or vehicle body by the road surface; And the vibration that decays and cause thus, can go to guarantee automobile smooth-goingly.Suspension is an important component part in the automotive system, affects performances such as ride of vehicle and road-holding property, is one of critical component of Modern Car.Suspension comprises three parts such as elastic element, shock absorber and load transfer device, and this part plays buffering, vibration damping and power transfer function respectively.
Piezoceramic polarizes and obtains after handling applying the direct current highfield on the ferroelectric ceramics, is a kind of special ceramic materials that electric energy and mechanical energy are changed each other.When this pottery receives mechanical strees, can cause polarization phenomena, and polarization value is directly proportional with stress; On the contrary, when this pottery receives electric field action, also can produce the deformation that is directly proportional with electric field intensity.These two kinds of effects are referred to as piezoeffect.Piezoceramic produces electric charge under external force, when the quantity of electric charge that is generated is big, can be used to construct miniature power generating device or directly for electronics package power supply is provided.
Ring-type or piezoelectric ceramic piece cylindraceous are attached on the bumper of automobile suspension system, and during running car, elastic element shakes, and bumper shakes thereupon, and piezoelectric ceramic piece receives the mechanical strees of this vibrations, produces electric charge, realizes generating.
As preferably, described several piezoelectric ceramic pieces parallel connections or be connected in series; Described piezoelectric ceramic piece is ring-type or cylindric thin slice; Described electricity getting device can be charging capacitor, battery or consumer.
Because piezoelectric ceramic piece has hard and crisp characteristics; The monomer wafer is thinner; The cutting area is generally all smaller, and the characteristics of piezoelectric ceramic piece generating are high voltage low currents, under the limited situation of monomer piezoelectric ceramic piece area; Can be with a plurality of piezoelectric ceramic piece parallel connections or series connection, to improve the generating capacity of piezoelectric ceramic piece.
The said thump mechanical energy of jolting reclaims the alternative automobile generating device of power generation assembly, originates as vehicle electric power.
The present invention is shaken the function that produces electric charge through utilizing piezoelectric ceramic piece; Mechanical energy in the automobile suspension arrangement vibrations process is converted into electric energy; This apparatus structure simply, do not generate heat, no electromagnetic interference, take place voltage high, produce can source clean renewable, the protection of environment and the development and utilization of new forms of energy are significant.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is an embodiment of the invention normality scheme drawing;
Fig. 3 is the embodiment of the invention view of jolting;
Fig. 4 is a piezoelectric ceramic piece parallel-connection structure scheme drawing;
Fig. 5 is a piezoelectric ceramic piece cascaded structure scheme drawing;
Fig. 6 is piezoelectric ceramic piece standard energy collecting circuit figure;
Fig. 7 is piezoelectric ceramic piece capacitor energy storage circuit figure;
Wherein: 1-bumper, 2-elastic element, 3-dowel bar, 4-tire axle, 5-piezoelectric ceramic piece, 6-electricity getting device.
The specific embodiment
Below in conjunction with Fig. 1, Fig. 2, Fig. 3, the present invention is described in further detail with the specific embodiment:
In order to solve the problems of the technologies described above, the present invention is able to solve through following technical proposals:
A kind of thump mechanical energy of jolting reclaims power generation assembly, comprising: automobile suspension system and some piezoelectric ceramic pieces;
Described automobile suspension system comprises elastic element 2, is used to keep tire to contact with ground fully, and the vehicle that the buffering uneven ground causes jolts; Bumper 1, the concussion when being used to suppress bounce-back after the shock-absorbing of elasticity original paper and impacting from ground-surface; And dowel bar 3, be used to the transmission of the power of accomplishing;
Described piezoelectric ceramic piece 5 is sleeved on the bumper 1 of said automobile suspension system and is connected by electrical wiring to electricity getting device 6.
Automobile suspension system is the general name of the vehicle frame and all the power transmission connecting devices between vehicle bridge or the wheel of automobile; Its effect is power and the moment of transfer function between wheel and vehicle frame; Buffering is passed to the impact of vehicle frame or vehicle body by the road surface; And the vibration that decays and cause thus, can go to guarantee automobile smooth-goingly.Suspension is an important component part in the automotive system, affects performances such as ride of vehicle and road-holding property, is one of critical component of Modern Car.Suspension comprises three parts such as elastic element, shock absorber and load transfer device, and this part plays buffering, vibration damping and power transfer function respectively.
Piezoceramic polarizes and obtains after handling applying the direct current highfield on the ferroelectric ceramics, is a kind of special ceramic materials that electric energy and mechanical energy are changed each other.When this pottery receives mechanical strees, can cause polarization phenomena, and polarization value is directly proportional with stress; On the contrary, when this pottery receives electric field action, also can produce the deformation that is directly proportional with electric field intensity.These two kinds of effects are referred to as piezoeffect.Piezoceramic produces electric charge under external force, when the quantity of electric charge that is generated is big, can be used to construct miniature power generating device or directly for electronics package power supply is provided.
As shown in Figure 3, ring-type or piezoelectric ceramic piece cylindraceous 5 are attached on the bumper 1 of automobile suspension system, during running car because road surface is uneven and jolts; Elastic element 2 shakes; Elongate or shorten, bumper 1 shakes thereupon, and piezoelectric ceramic piece 5 receives the mechanical strees of this vibrations; Produce electric charge, realize generating.
Embodiment 1
A kind of thump mechanical energy of jolting reclaims power generation assembly, comprising: automobile suspension system and some piezoelectric ceramic pieces;
Described automobile suspension system comprises elastic element 2, is used to keep tire to contact with ground fully, and the vehicle that the buffering uneven ground causes jolts; Bumper 1, the concussion when being used to suppress bounce-back after the shock-absorbing of elasticity original paper and impacting from ground-surface; And dowel bar 3, be used to the transmission of the power of accomplishing;
Described piezoelectric ceramic piece 5 for several ringlike or cylindric thin slice piezoelectric ceramic piece, is sleeved on the bumper 1 of said automobile suspension system, is connected in parallel through electric wire each other, and is connected by electrical wiring to electricity getting device 6.Described electricity getting device 6 is a consumer.
Because bumper 1 is a cylindrical-shaped structure, so adopt ring-type or cylindric thin slice piezoelectric ceramic piece in the present embodiment.Because piezoelectric ceramic piece has hard and crisp characteristics; The monomer wafer is thinner; The cutting area is generally all smaller, and the characteristics of piezoelectric ceramic piece generating are high voltage low currents, under the limited situation of monomer piezoelectric ceramic piece area; Present embodiment as shown in Figure 4 is with n piezoelectric ceramic piece parallel connection, to improve the generating capacity of piezoelectric ceramic piece.As shown in Figure 6, the piezoelectric ceramic piece 5 in the present embodiment after the parallel connection is connected by electrical wiring to consumer.During the parallel connection of n piezoelectric ceramic piece, its output capacitance CP ' be the monolithic piezoelectric ceramic chip capacitor CP n doubly, but output voltage U equals monolithic voltage, quantity of electric charge Q ' is n times of Q of monolithic quantity of electric charge on the pole plate, that is:
Q’=nQ U’=U C
P’=nC
P
Can know by above-mentioned analysis, parallel connection method, output charge is big, and time constant is big, should be used to measure tempolabile signal, and is applicable to the occasion of electric charge as output.
Embodiment 2
A kind of thump mechanical energy of jolting reclaims power generation assembly, comprising: automobile suspension system and some piezoelectric ceramic pieces;
Described automobile suspension system comprises elastic element 2, is used to keep tire to contact with ground fully, and the vehicle that the buffering uneven ground causes jolts; Bumper 1, the concussion when being used to suppress bounce-back after the shock-absorbing of elasticity original paper and impacting from ground-surface; And dowel bar 3, be used to the transmission of the power of accomplishing;
Described piezoelectric ceramic piece 5 for several ringlike or cylindric thin slice piezoelectric ceramic piece, is sleeved on the bumper 1 of said automobile suspension system, is connected in series through electric wire each other, and is connected by electrical wiring to electricity getting device 6.Described electricity getting device 6 is a charging capacitor.
Because bumper 1 is a cylindrical-shaped structure, so adopt ring-type or cylindric thin slice piezoelectric ceramic piece in the present embodiment.Because piezoelectric ceramic piece has hard and crisp characteristics; The monomer wafer is thinner; The cutting area is generally all smaller, and the characteristics of piezoelectric ceramic piece generating are high voltage low currents, under the limited situation of monomer piezoelectric ceramic piece area; Present embodiment as shown in Figure 5 is connected n piezoelectric ceramic piece, to improve the generating capacity of piezoelectric ceramic piece.As shown in Figure 7, the piezoelectric ceramic piece 5 in the present embodiment after the parallel connection is connected by electrical wiring to consumer.During the series connection of n piezoelectric ceramic piece, the total electrical charge Q ' of output equals the monolithic charge Q, and voltage U ' be n times of monolithic voltage U, total capacitance CP ' is the 1/n of monolithic capacitor C P, that is:
Q’=Q U’=nU C
P’=1/nC
P
Can know by above-mentioned analysis, tandem-type connection, output voltage is big, and self capacity is little, is applicable to voltage as output signal, and the very high occasion of metering circuit input impedance.The mode of connect in parallel more is applicable to the operating needs of wireless launcher.
The present invention is shaken the function that produces electric charge through utilizing piezoelectric ceramic piece; Mechanical energy in the automobile suspension arrangement vibrations process is converted into electric energy; The present invention is arranged among four shock mitigation systems of automobile suspension arrangement, and alternative automobile generating device is originated as vehicle electric power.This apparatus structure simply, do not generate heat, no electromagnetic interference, take place voltage high, produce can source clean renewable, the protection of environment and the development and utilization of new forms of energy are significant.
In a word, the above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (4)
1. the thump mechanical energy of jolting reclaims power generation assembly, comprising: automobile suspension system and some piezoelectric ceramic pieces (5);
Described automobile suspension system comprises elastic element (2), is used to keep tire to contact with ground fully, and the vehicle that the buffering uneven ground causes jolts; Bumper (1), the concussion when being used to suppress bounce-back after the shock-absorbing of elasticity original paper and impacting from ground-surface; And dowel bar (3), be used to the transmission of the power of accomplishing;
It is characterized in that: described piezoelectric ceramic piece (5), electricity getting device (6) is gone up and be connected by electrical wiring to the bumper (1) that is sleeved on said automobile suspension system.
2. the thump according to claim 1 mechanical energy of jolting reclaims power generation assembly, it is characterized in that: described several piezoelectric ceramic pieces (5) parallel connection or be connected in series.
3. reclaim power generation assembly according to claim 1 or the 2 any described thumps mechanical energy of jolting, it is characterized in that: described piezoelectric ceramic piece (5) is ring-type or cylindric thin slice.
4. the thump according to claim 1 mechanical energy of jolting reclaims power generation assembly, and it is characterized in that: described electricity getting device (6) can be charging capacitor, battery or consumer.
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103909825A (en) * | 2012-12-31 | 2014-07-09 | 现代自动车株式会社 | Energy regeneration device of suspension system for vehicle |
CN104728067A (en) * | 2015-03-30 | 2015-06-24 | 苏州攀特电陶科技股份有限公司 | Piezoelectric type energy collecting system of car body damper |
CN106004433A (en) * | 2016-06-01 | 2016-10-12 | 南昌大学 | Vibration energy feedback device for super-capacitor electric automobile |
CN106838116A (en) * | 2017-01-17 | 2017-06-13 | 江苏大学 | A kind of recyclable engine rubber suspension device of vibrational energy |
CN107776793A (en) * | 2016-08-30 | 2018-03-09 | 无锡东南车辆科技有限公司 | Electric motor bicycle with folding |
CN112928370A (en) * | 2021-02-20 | 2021-06-08 | 江苏安全技术职业学院 | New energy automobile damping device |
CN113872466A (en) * | 2021-10-21 | 2021-12-31 | 业成科技(成都)有限公司 | Electric energy recovery device for suspension system |
WO2022094993A1 (en) * | 2020-11-07 | 2022-05-12 | 宁德时代新能源科技股份有限公司 | Power generation apparatus, suspension, vehicle, and device and method for producing power generation apparatus |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103909825A (en) * | 2012-12-31 | 2014-07-09 | 现代自动车株式会社 | Energy regeneration device of suspension system for vehicle |
CN103909825B (en) * | 2012-12-31 | 2017-11-14 | 现代自动车株式会社 | Energy regeneration device for the suspension system of vehicle |
CN104728067A (en) * | 2015-03-30 | 2015-06-24 | 苏州攀特电陶科技股份有限公司 | Piezoelectric type energy collecting system of car body damper |
CN106004433A (en) * | 2016-06-01 | 2016-10-12 | 南昌大学 | Vibration energy feedback device for super-capacitor electric automobile |
CN107776793A (en) * | 2016-08-30 | 2018-03-09 | 无锡东南车辆科技有限公司 | Electric motor bicycle with folding |
CN106838116A (en) * | 2017-01-17 | 2017-06-13 | 江苏大学 | A kind of recyclable engine rubber suspension device of vibrational energy |
WO2022094993A1 (en) * | 2020-11-07 | 2022-05-12 | 宁德时代新能源科技股份有限公司 | Power generation apparatus, suspension, vehicle, and device and method for producing power generation apparatus |
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CN112928370A (en) * | 2021-02-20 | 2021-06-08 | 江苏安全技术职业学院 | New energy automobile damping device |
CN113872466A (en) * | 2021-10-21 | 2021-12-31 | 业成科技(成都)有限公司 | Electric energy recovery device for suspension system |
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Application publication date: 20120919 |