CN106452180B - A kind of piezoelectricity based on automotive suspension-Electromagnetic heating prisoner's energy device - Google Patents
A kind of piezoelectricity based on automotive suspension-Electromagnetic heating prisoner's energy device Download PDFInfo
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- CN106452180B CN106452180B CN201611055470.3A CN201611055470A CN106452180B CN 106452180 B CN106452180 B CN 106452180B CN 201611055470 A CN201611055470 A CN 201611055470A CN 106452180 B CN106452180 B CN 106452180B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 10
- 239000000725 suspension Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 230000033001 locomotion Effects 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 8
- 101000836649 Homo sapiens Selenoprotein V Proteins 0.000 claims description 6
- 102100027056 Selenoprotein V Human genes 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 4
- 102100030341 Ethanolaminephosphotransferase 1 Human genes 0.000 claims description 3
- 101100172525 Homo sapiens SELENOI gene Proteins 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- 230000006641 stabilisation Effects 0.000 description 5
- 238000011105 stabilization Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of, and the piezoelectricity based on automotive suspension-Electromagnetic heating capturees energy device, ontology is located between frame cross and lower swing arm, it include upper shell, lower housing, spring beam, first buckstay and the second buckstay, wherein upper shell is fixed on the lower part of frame cross, spring beam is located in upper shell, the upper end of spring beam is equipped with piezoelectric patches, the lower end of spring beam is equipped with the first magnet, the top that lower housing is fixed on lower swing arm corresponds to upper shell setting, first buckstay and the second buckstay are symmetrically arranged in lower housing, the position that the upper end of second buckstay corresponds to the first magnet of spring beam is equipped with the second magnet, the outer end of second magnet is equipped with coil, the side of coil is fixed on the second buckstay.Advantageous effect：Shorten the charging time, is more conducive to rechargeable battery powered；And the structure original without changing automotive suspension, it is simple in structure, it is easy to maintenance.
Description
Technical field
The present invention relates to a kind of compound prisoner's energy device, more particularly to a kind of piezoelectricity based on automotive suspension-Electromagnetic heating prisoner
It can device.
Background technology
Currently, energy saving to become particularly important with the aggravation of energy crisis, and the recycling of vibrational energy is then energy-efficient one
The effective method of kind.Currently, the recycling of vibrational energy, i.e. vibrational energy are converted into electric energy, there are mainly three types of modes：(1) it utilizes
Vibrational energy is converted to the piezoelectric type of electric energy by the piezoelectric effect of piezoelectric material；(2) vibrational energy is converted using electromagnetic induction phenomenon
For the electromagnetic type of electric energy；(3) vibrational energy is converted into the electrostatic of electric energy using capacitance principle.Three kinds of vibration prisoner's energy modes respectively have
Advantage and disadvantage：Piezoelectric energy-capturing have many advantages, such as output voltage is high, small, power density is high, be easy to micromation, but its bandwidth compared with
It is narrow, it is not suitable for low frequency occasion；Electromagnetism prisoner can have many advantages, such as that impedance is big, output current is big, but its induced potential is low, it is difficult to collect
Cheng Hua；Electrostatic prisoner can have the advantages that be easy to integrated with microelectromechanical-systems (MEMS), however require that applied voltage source and charge
Source, can not independently capture energy, and application is limited.
Vehicle shock absorber energy dissipation is studies have shown that recycle the vibrational energy of suspension for realizing that it is great that vehicle energy saving has
Meaning.And with the development of integrated circuit, the volume of electronic equipment is smaller and smaller, shows the development trend of micromation, and its
The required general very little of power, although battery can meet the needs of micromodule equipment, there are restricted lifetime, renewal costs
It is high and be difficult to be miniaturized.If the vibration energy regeneration in automotive suspension can be got up and it charges to lithium battery, then
The adverse effect that many batteries are brought can be eliminated.Currently, having there is the suspension system of many kinds of prisoner's energy formulas, such as patent
201610131174 propose a kind of electromagnetism prisoner's energy system based on passive suspension, which is amplified by hydraulic buffer, speed
Mechanism and electromagnetism Fu Neng mechanisms composition, are converted to electric energy by the vibrational energy of suspension using electromagnetic induction principle and store.Specially
Profit 201410719587 proposes a kind of rolling compressing prisoner's energy device for automotive suspension, which is by changing damper
Structure utilize piezoelectric effect to carry out the energy between vibrational energy and electric energy to convert.
Only be used only a certain vibration prisoner can mode the shortcomings that always having there are it, it is possible that prisoner's energy efficiency it is low,
Prisoner can underpower, the problems such as resonant frequency is low, i.e., conventional energy accumulator can only operate in first-order modal, and vapour in most cases
The vibration frequency of suspension changes at random, once intrinsic frequency of the vibration source frequency far from energy accumulator, the output work of energy accumulator
Rate will drastically reduce.Therefore energy field is captureed in vibration, how widening the working band of energy accumulator, increasing output power is always weight
The problem of point concern.
Invention content
The purpose of the present invention is to solve how to widen energy accumulator working band, increase output power the problem of and carry
A kind of piezoelectricity based on automotive suspension supplied-Electromagnetic heating prisoner can device.
Piezoelectricity provided by the invention based on automotive suspension-Electromagnetic heating prisoner can device ontology be located at frame cross and
Include upper shell, lower housing, spring beam, the first buckstay and the second buckstay between lower swing arm, wherein upper shell is fixed on
The lower part of frame cross, spring beam are located in upper shell, and the upper end of spring beam is equipped with piezoelectric patches, and the lower end of spring beam is equipped with first
Magnet, the top that lower housing is fixed on lower swing arm correspond to upper shell setting, and the first buckstay and the second buckstay are symmetrically arranged at down
In shell, the position that the upper end of the second buckstay corresponds to the first magnet of spring beam is equipped with the second magnet, and the outer end of the second magnet is set
There are coil, the side of coil to be fixed on the second buckstay.
Dust cover is equipped between upper shell and lower housing.
Piezoelectric patches is fixed on using the concatenated form of twin crystal on spring beam, surface be welded with electrode and use conducting wire draw as
Piezoelectric patches contact conductor exports the positive and negative anodes of electric energy respectively.
Return spring is additionally provided on the right side of spring beam, the lower end magnet respective side of spring beam is equipped with protrusion, the first buckstay
Upper end correspond to spring beam be equipped with protrusion position equipped with several convex blocks, spring beam and the first buckstay moved up and down
Journey protrusions and convex block, which can collide, promotes the first magnet side-to-side movement of spring beam lower end, and under the magnetic force
The second magnet on two buckstays equally carries out side-to-side movement in coil, and the side that the second magnet corresponds to the second buckstay is equipped with
Compressed spring.
The contact conductor of piezoelectric patches setting is connected with the first electrical energy conversion circuit, and the electric energy that piezoelectric patches generates passes through the first electricity
Energy conversion circuit output, the coil of the second buckstay upper end are connected with the second electrical energy conversion circuit by the conducting wire that both ends connect,
The electric energy that the magnet of spring beam lower end generates in coil in motion process is exported by the second electrical energy conversion circuit, the first electric energy
Conversion circuit and the second electrical energy conversion circuit are connected with electric energy acquisition circuit, and electric energy acquisition circuit is connected with battery or electricity
Hold, the electric energy of the first electrical energy conversion circuit and the output of the second electrical energy conversion circuit passes through electric energy acquisition circuit storage to battery or electricity
In appearance.
Electric energy acquisition circuit includes first resistor, second resistance, 3rd resistor, the first capacitance, the second capacitance, the one or two pole
Pipe, the second diode, switch and MAX1811 chips, MAX1811 chips be provided with SELV, SELI, the first GND, IN, BATT,
2nd GND, EN andThe anode of eight pins, out-put supply connects SELV, IN, EN pin of MAX1811 chips, output electricity
The cathode in source connects the first GND and the second GND pin of MAX1811 chips, the first resistor being in series and the first diode and
One capacitance is simultaneously connected between the positive and negative anodes of out-put supply, IN andParallel connection second resistance and the second diode between pin,
Second capacitance in parallel between BATT and the second GND pin, switch are located between out-put supply anode and 3rd resistor, MAX1811
Chip maximum charging voltage is set as 4.1V or 4.2V by pin, worst error 0.5%, to the charging current of battery by patrolling
It collects control circuit and is set as 100mA or 500mA, the first diode is power supply instruction, and the second diode is charging instruction, the bright table of lamp
Show and charging, lamp, which goes out, indicates that charging terminates.
The operation principle of the present invention：
When automobile is during road traveling, the vibration on road surface is transmitted to automotive suspension by tire, leads to automotive suspension
Hydraulic buffer up-down vibration, can be relatively moved between lower swing arm and frame cross at this time, so that spring beam
It relatively moves with the first buckstay, will mutually be squeezed between the protrusion and the convex block of the first buckstay upper end on spring beam
Pressure, this can partly bring different excitations to piezoelectric energy-capturing part and electromagnetism prisoner respectively.
Piezoelectric energy-capturing part：When protrusion and convex block relative motion squeeze, spring beam will will produce certain deformation, spring beam
When moving left and right, the piezoelectric patches on its surface will be driven to move left and right, i.e., it will generate certain deformation, due to piezoelectric effect pressure
Electric piece surface will will produce corresponding positive and negative charge, and charge is drawn via the contact conductor on piezoelectric patches.Contact conductor is accessed
The voltage of first electrical energy conversion circuit, the stabilization exported charges by electric energy acquisition circuit to lithium battery.
Electromagnetism prisoner can part：When protrusion and convex block relative motion squeeze, the deformation that spring beam generates leads to the first of end
Magnet moves left and right, according to the second magnet of principle of magnet homopolar-repulsion with faster under the amplification of compressed spring
Speed moves left and right so that the coil cutting magnetic induction line around the second magnet generates the induced current of bigger, is used in combination conducting wire that will feel
Induced current is drawn, and the second electrical energy conversion circuit is accessed, and the voltage of the stabilization exported charges by electric energy acquisition circuit to lithium battery.
Lithium battery can give MEMX sensors (such as pressure sensor, temperature sensor and acceleration transducer, wheel speed pass
Sensor etc.) it is powered.
Beneficial effects of the present invention：
Piezoelectricity provided by the invention based on automotive suspension-Electromagnetic heating prisoner's energy device can effectively acquire suspension
Vibrational energy realizes the recycling of energy；The effective inconvenience for avoiding automobile sensor battery altering；The present apparatus will press
Electricity prisoner can be incorporated into electromagnetism prisoner can generate larger output current and higher output voltage together, effectively compensate for
Piezoelectricity or electromagnetism individually capture energy mode power deficiency less than normal, and external output power is improved under conditions of volume parameter is constant,
Shorten the charging time, is more conducive to rechargeable battery powered；And the structure original without changing automotive suspension, structure letter
It is single, it is easy to maintenance.
Description of the drawings
Fig. 1 is that prisoner of the present invention can device schematic cross-sectional view.
Fig. 2 is the structural schematic diagram of spring beam in prisoner of the present invention energy device.
Fig. 3 is electric energy acquisition electrical block diagram of the present invention.
1, frame cross 2, lower swing arm 3, upper shell 4, lower housing 5, spring beam
6, the first buckstay 7, the second buckstay 8, piezoelectric patches 9, the first magnet 10, coil
11, dust cover 12, return spring 13, protrusion 14, convex block 15, compressed spring
16, the second magnet 20, first resistor 21, second resistance 22,3rd resistor
23, the first capacitance 24, the second capacitance 25, the first diode 26, the second diode
27, switch 28, MAX1811 chips 29, hydraulic buffer.
Specific implementation mode
It please refers to Fig.1, shown in Fig. 2 and Fig. 3：
The ontology of piezoelectricity provided by the invention based on automotive suspension-Electromagnetic heating prisoner's energy device is located at 1 He of frame cross
Include upper shell 3, lower housing 4, spring beam 5, the first buckstay 6 and the second buckstay 7, wherein upper shell between lower swing arm 2
3 are fixed on the lower part of frame cross 1, and spring beam 5 is located in upper shell 3, and the upper end of spring beam 5 is equipped with piezoelectric patches 8, spring beam 5
Lower end be equipped with the first magnet 9, the top that lower housing 4 is fixed on lower swing arm 2 corresponds to upper shell 3 and is arranged, the first buckstay 6 and the
Two buckstays 7 are symmetrically arranged in lower housing 4, and the position that the upper end of the second buckstay 7 corresponds to the first magnet 9 on spring beam 5 is set
There are the second magnet 16, the outer end of the second magnet 16 to be equipped with coil 10, the side of coil 10 is fixed on the second buckstay 7.
Dust cover 11 is covered between upper shell 3 and lower housing 4.
Piezoelectric patches 8 is fixed on using the concatenated form of twin crystal on spring beam 5, and surface, which is welded with electrode and is drawn with conducting wire, to be made
For the contact conductor of piezoelectric patches 8, the positive and negative anodes of electric energy are exported respectively.
The right side of spring beam 5 is additionally provided with return spring 12, and 9 respective side of lower end magnet of spring beam 5 is equipped with raised 13, first
The upper end of buckstay 6 corresponds to position of the spring beam 5 equipped with protrusion 13 and is equipped with several convex blocks 14, and spring beam 5 and the first buckstay 6 exist
Carrying out up and down motion process protrusions 13 and convex block 14 can collide and the first magnet 9 or so of 5 lower end of spring beam is promoted to transport
It is dynamic, and the second magnet 16 on the second buckstay 7 carries out side-to-side movement, the second magnet 16 in coil 10 under the magnetic force
The side of corresponding second buckstay 7 is equipped with compressed spring 15.
The contact conductor that piezoelectric patches 8 is arranged is connected with the first electrical energy conversion circuit, and the electric energy that piezoelectric patches 8 generates passes through first
Electrical energy conversion circuit exports, and the coil 10 of 7 upper end of the second buckstay is connected with the conversion of the second electric energy by the conducting wire that both ends connect
Circuit, the electric energy that the magnet 9 of 5 lower end of spring beam generates in coil 10 in motion process are defeated by the second electrical energy conversion circuit
Go out, the first electrical energy conversion circuit and the second electrical energy conversion circuit are connected with electric energy acquisition circuit, the connection of electric energy acquisition circuit
There are battery or capacitance, the electric energy that the first electrical energy conversion circuit and the second electrical energy conversion circuit export to pass through electric energy acquisition circuit storage
Into battery or capacitance.First electrical energy conversion circuit improves energy using the LTC3588 chips of Linear companies design production
Transfer efficiency, piezoelectricity can be directly connected to, it is steady by internal parallel with an external capacitive rectified voltage and storage energy
Depressor bleeds off any extra electric power, and maintains the defeated of stabilization by the synchronous buck regulators of an efficient millimicro power
Go out voltage, which includes rectification filtering module and DC-DC voltage reduction modules.Second electrical energy conversion circuit is public using Linear
Department designs the LTC3108 chips of production to improve energy conversion efficiency, is adapted to collect and manage to come from such as TEG (thermoelectricity
Generator), the dump energy of the extremely low input voltage power supply such as thermoelectric pile and small-sized solar battery, the booster type topology of the chip
Structure can the normal operation in the case where input voltage is down to 20mV, the chip interior include AC-AC boost modules, distillation filtering
Module and DC-DC voltage reduction modules.
Electric energy acquisition circuit includes first resistor 20, second resistance 21,3rd resistor 22, the first capacitance 23, the second capacitance
24, the first diode 25, the second diode 26, switch 27 and MAX1811 chips 28, MAX1811 chips 28 be provided with SELV,
SELI, the first GND, IN, BATT, the 2nd GND, EN andThe anode of eight pins, out-put supply connects MAX1811 chips 28
SELV, IN, EN pin, the cathode of out-put supply meets the first GND and the second GND pin of MAX1811 chips 28, is in series
First resistor 20 and the first diode 25 and the first capacitance 23 are simultaneously connected between the positive and negative anodes of out-put supply, IN andDraw
21 and second diode 26 of second resistance in parallel between foot, the second capacitance 24 in parallel, switch 27 between BATT and the second GND pin
Be located at out-put supply anode 3rd resistor 22 between, 28 maximum charging voltage of MAX1811 chips by pin be set as 4.1V or
4.2V, worst error 0.5% are set as 100mA or 500mA to the charging current of battery by logic control circuit, and first
Diode 25 is power supply instruction, and the second diode 26 is charging instruction, and the bright expression of lamp is being charged, and lamp, which goes out, indicates that charging terminates.
The operation principle of the present invention：
When automobile is during road traveling, the vibration on road surface is transmitted to automotive suspension by tire, leads to automotive suspension
Hydraulic buffer 29 up-down vibration, can be relatively moved between lower swing arm 2 and frame cross 1 at this time, so that bullet
Property beam 5 and the first buckstay 6 relatively move, between the convex block 14 of 6 upper end of the protrusion 13 on spring beam 5 and the first buckstay
It will mutually squeeze, this can partly bring different excitations to piezoelectric energy-capturing part and electromagnetism prisoner respectively.
Piezoelectric energy-capturing part：When protrusion 13 and 14 relative motion of convex block squeeze, spring beam 5 will will produce certain deformation,
Spring beam 5 moves left and right the piezoelectric patches 8 for driving its surface when moving left and right, i.e., it will generate certain deformation, due to pressure
8 surface of electrical effect piezoelectric patches will will produce corresponding positive and negative charge, and charge is drawn via the contact conductor on piezoelectric patches 8.It will be electric
Pole lead accesses the first electrical energy conversion circuit, and the voltage of the stabilization exported charges by electric energy acquisition circuit to lithium battery.
Electromagnetism prisoner can part：When protrusion 13 and 14 relative motion of convex block squeeze, the deformation that spring beam 5 generates leads to end
First magnet 9 moves left and right, according to the second magnet of principle 16 of magnet homopolar-repulsion compressed spring 15 amplification
Under move left and right at faster speed so that 10 cutting magnetic induction line of coil around the second magnet 16 generates the induced electricity of bigger
Stream, is used in combination conducting wire to draw induced current, accesses the second electrical energy conversion circuit, the voltage of the stabilization of output is by electric energy acquisition electricity
It charges to lithium battery on road.
Lithium battery can give MEMX sensors (such as pressure sensor, temperature sensor and acceleration transducer, wheel speed pass
Sensor etc.) it is powered.
Claims (2)
1. a kind of piezoelectricity based on automotive suspension-Electromagnetic heating prisoner's energy device, ontology are located between frame cross and lower swing arm,
Include upper shell, lower housing, spring beam, the first buckstay and the second buckstay, wherein upper shell is fixed on frame cross
Lower part, spring beam are located in upper shell, and the upper end of spring beam is equipped with piezoelectric patches, and the lower end of spring beam is equipped with the first magnet, lower casing
The top that body is fixed on lower swing arm corresponds to upper shell setting, and the first buckstay and the second buckstay are symmetrically arranged in lower housing, the
The position that the upper end of two buckstays corresponds to the first magnet of spring beam is equipped with the second magnet, and the outer end of the second magnet is equipped with coil, line
The side of circle is fixed on the second buckstay, it is characterised in that：Return spring, spring beam are additionally provided on the right side of the spring beam
Lower end magnet respective side be equipped with protrusion, the upper end of the first buckstay corresponds to spring beam and is equipped with the position of protrusion equipped with several convex
Block, spring beam and the first buckstay can be collided and promote spring beam lower end carrying out up and down motion process protrusions and convex block
The first magnet side-to-side movement, and the second magnet on the second buckstay is equally controlled in coil under the magnetic force
Movement, the side that the second magnet corresponds to the second buckstay are equipped with compressed spring.
2. a kind of piezoelectricity based on automotive suspension according to claim 1-Electromagnetic heating prisoner's energy device, it is characterised in that：
The contact conductor of the piezoelectric patches setting is connected with the first electrical energy conversion circuit, and the electric energy that piezoelectric patches generates passes through the first electric energy
Conversion circuit exports, and the coil of the second buckstay upper end is connected with the second electrical energy conversion circuit, bullet by the conducting wire that both ends connect
Property beam lower end the electric energy that is generated in motion process in coil of magnet exported by the second electrical energy conversion circuit, the first electric energy turns
It changing circuit and the second electrical energy conversion circuit is connected with electric energy acquisition circuit, electric energy acquisition circuit is connected with battery or capacitance,
First electrical energy conversion circuit and the electric energy of the second electrical energy conversion circuit output pass through electric energy acquisition circuit storage to battery or capacitance
Interior, the electric energy acquisition circuit includes first resistor, second resistance, 3rd resistor, the first capacitance, the second capacitance, the one or two
Pole pipe, the second diode, switch and MAX1811 chips, MAX1811 chips be provided with SELV, SELI, the first GND, IN,
BATT, the 2nd GND, EN andThe anode of eight pins, out-put supply connects SELV, IN, EN pin of MAX1811 chips, defeated
The cathode for going out power supply connects the first GND and the second GND pin of MAX1811 chips, the first resistor being in series and the first diode
With the first capacitance and between being connected in the positive and negative anodes of out-put supply, IN andSecond resistance and the two or two in parallel between pin
Pole pipe, the second capacitance in parallel between BATT and the second GND pin, switch are located between out-put supply anode and 3rd resistor,
MAX1811 chips maximum charging voltage is set as 4.1V or 4.2V, worst error 0.5%, to the charging electricity of battery by pin
Stream is set as 100mA or 500mA by logic control circuit, and the first diode is power supply instruction, and the second diode is that charging refers to
Show, the bright expression of lamp is being charged, and lamp, which goes out, indicates that charging terminates.
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| CN201611055470.3A CN106452180B (en) | 2016-11-25 | 2016-11-25 | A kind of piezoelectricity based on automotive suspension-Electromagnetic heating prisoner's energy device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055470.3A CN106452180B (en) | 2016-11-25 | 2016-11-25 | A kind of piezoelectricity based on automotive suspension-Electromagnetic heating prisoner's energy device |
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| CN106452180B true CN106452180B (en) | 2018-08-14 |
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| CN107745636A (en) * | 2017-10-27 | 2018-03-02 | 周燕红 | A kind of method that Vibration of Vehicle Suspensions energy regenerating utilizes |
| CN107769611B (en) * | 2017-10-31 | 2019-03-15 | 长春工业大学 | Piezoelectric-electrcombinedc combinedc wideband energy capture device based on Vehicle Suspension Vibration |
| CN111092567A (en) * | 2020-01-08 | 2020-05-01 | 广州大学 | Vibration power generation device |
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| US8143766B2 (en) * | 2009-02-27 | 2012-03-27 | GM Global Technology Operations LLC | Harvesting energy from vehicular vibrations using piezoelectric devices |
| JP5986773B2 (en) * | 2012-03-29 | 2016-09-06 | 東洋ゴム工業株式会社 | Power generation element |
| CN202586805U (en) * | 2012-05-25 | 2012-12-05 | 李同强 | Device utilizing jolt mechanical energy for power generation |
| CN103166503B (en) * | 2013-03-06 | 2016-05-25 | 武汉理工大学 | A kind of piezoelectric energy trapping device for bus |
| CN104836478B (en) * | 2015-05-19 | 2017-06-20 | 北京理工大学 | A kind of piezoelectricity electromagnetism combined type broad band low frequency energy accumulator |
| CN106026770B (en) * | 2016-06-15 | 2017-10-20 | 浙江师范大学 | A kind of piezoelectricity electromagnetism combined type self powered supply |
| CN206180896U (en) * | 2016-11-25 | 2017-05-17 | 吉林大学 | Compound prisoner of piezoelectricity - electromagnetism can device based on vapour vehicle suspension |
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