CN106208808B - A kind of noise power generator and method based on the conduction of people's otica chain type - Google Patents
A kind of noise power generator and method based on the conduction of people's otica chain type Download PDFInfo
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- CN106208808B CN106208808B CN201610570535.1A CN201610570535A CN106208808B CN 106208808 B CN106208808 B CN 106208808B CN 201610570535 A CN201610570535 A CN 201610570535A CN 106208808 B CN106208808 B CN 106208808B
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000012528 membrane Substances 0.000 claims abstract description 40
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 9
- 235000001968 nicotinic acid Nutrition 0.000 abstract description 4
- 210000003454 tympanic membrane Anatomy 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 210000001050 stape Anatomy 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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
- H02N2/188—Vibration harvesters adapted for resonant operation
Abstract
The present invention, which provides a kind of noise power generator based on the conduction of people's otica chain type and method, the device, to be included：Acoustic receiver unit, vibrating membrane, apery ear auditory ossicular chain lever unit, acoustic-electric converting unit, voltage stabilizing amplifying circuit, the end of the output end connection apery ear auditory ossicular chain lever unit of acoustic receiver unit, vibrating membrane is provided between the output end of acoustic receiver unit and one end of apery ear auditory ossicular chain lever unit, the other end connection acoustic-electric converting unit of apery ear auditory ossicular chain lever unit, the input of the output end connection voltage stabilizing amplifying circuit of acoustic-electric converting unit, the output end of voltage stabilizing amplifying circuit are connected to battery.The present invention causes vibration vibration of membrane by the sound wave of reception, cause the vibration of apery ear auditory ossicular chain lever unit again, apery ear auditory ossicular chain lever unit end is in contact with piezoelectric membrane, cause piezoelectric membrane to produce direct piezoelectric effect and produce electric current, on the basis of noise utilization rate is improved, bionics principle fully is applied, device performance is obtained larger growth.
Description
Technical field
The invention belongs to noise technical field of power generation, specifically a kind of noise power generator based on the conduction of people's otica chain type
And method.
Background technology
With the development of science and technology, it is imperative to tap a new source of energy.At the same time, energy-saving and emission-reduction, which also turn into, improves environmental problem
Much-talked-about topic.Noise influences the work and life of people, is that the world four pollutes greatly it as a kind of public's environomental pollution source
One.Improvement to noise pollution, traditional way is that isolation or protection are set on its propagation path, although to a certain extent
Harm of the noise to the mankind is reduced, but this portion of energy can not be effectively used.The appearance that noise generates electricity is to environment
Improvement and energy-saving and emission-reduction generate important meaning, but current noise generate electricity it is all very low to the utilization rate of acoustic wave energy.Such as
What improves the utilization rate to noise energy, turns into the critical problem of noise generating.
The content of the invention
It is an object of the invention to provide a kind of noise power generator and method based on the conduction of people's otica chain type.
The technical scheme is that：
A kind of noise power generator based on the conduction of people's otica chain type, it is characterised in that including：Acoustic receiver unit, shake
Dynamic film, apery ear auditory ossicular chain lever unit, acoustic-electric converting unit, voltage stabilizing amplifying circuit；
The acoustic receiver unit, which is collected, comes from any direction sound wave in free field, the output end connection of acoustic receiver unit
One end of apery ear auditory ossicular chain lever unit, the output end of acoustic receiver unit and one end of apery ear auditory ossicular chain lever unit it
Between be provided with vibrating membrane, the other end connection acoustic-electric converting unit of apery ear auditory ossicular chain lever unit, acoustic-electric converting unit it is defeated
Go out the input of end connection voltage stabilizing amplifying circuit, the output end of voltage stabilizing amplifying circuit is connected to battery.
The described noise power generator based on the conduction of people's otica chain type, in addition to sound wave collector unit, are thrown using hyperbolic
Object plane sound collection cover, multiple acoustic receiver units are evenly arranged in sound wave collector unit.
The acoustic receiver unit, using radar shape double-layer cavity structure, acoustic receiver unit includes resonant cavity and blind property
Pipeline；Resonant cavity surface is evenly distributed with the aperture of multiple poly- sound, and a part of sound wave enters resonance by the aperture of poly- sound
Intracavitary, enter after collecting in the middle macropore to amplify；Another part sound wave is directly entered in the middle macropore to amplify, is entered
Sound wave in resonant cavity is transmitted to vibrating membrane after resonance is produced in blind property pipeline.
The ratio of the long-armed and galianconism of the apery ear auditory ossicular chain lever unit is 1.3.
The acoustic-electric converting unit uses piezoelectric membrane, and some piezoelectric membranes are arranged to using the supporting way of beam type
Spherical array.
Effective the vibration area and the other end for the vibrating membrane that the apery ear auditory ossicular chain lever unit is connected by its one end
The ratio for contacting the area of acoustic-electric converting unit amplifies the vibration of sound wave.
Enter the method for Row noise generating using the noise power generator based on the conduction of people's otica chain type, including：
Acoustic receiver unit, which is collected, comes from any direction sound wave in free field；
The vibrating membrane that sound wave is transferred to apery ear auditory ossicular chain lever unit one end through acoustic receiver unit produces and sound wave frequency
The consistent vibration of rate；
The effective vibration area for the vibrating membrane that apery ear auditory ossicular chain lever unit is connected by its one end and another end in contact
The ratio of the area of acoustic-electric converting unit amplifies the vibration of sound wave；
Acoustic-electric converting unit receives the vibration of sound wave, produces direct piezoelectric effect, output current；
Electric current caused by each acoustic-electric converting unit is stored in electric power storage by voltage stabilizing amplifying circuit after voltage stabilizing enhanced processing
Chi Zhong.
Beneficial effect：
The sound wave that the present invention is received by acoustic receiver unit causes vibration vibration of membrane, then is caused by vibration vibration of membrane
With the vibration of apery ear auditory ossicular chain lever unit, apery ear auditory ossicular chain lever unit end is in contact with piezoelectric membrane, apery ear
The vibration of auditory ossicular chain lever unit causes piezoelectric membrane to produce direct piezoelectric effect to produce electric current.Using bionics principle, pass through
Effective vibration area of vibrating membrane and apery ear auditory ossicular chain lever unit and the area ratio of piezoelectric membrane contact area, by sound wave
18.6 times of vibration amplification.Vibration is amplified 1.3 times by apery ear auditory ossicular chain lever unit again in itself, makes piezoelectricity thin by amplifying twice
The stress of film adds 24.1 times, the loss of acoustic wave energy is reduced 30dB, realizes the raising to acoustic energy utilization rate, and then subtract
Few sound loss of energy, principally falls into low-grade energy and utilizes field.Acoustic-electric converting unit is distributed using spherical array, is improved and is generated electricity
Efficiency；Radar shape acoustic receiver unit is evenly distributed inside double-paraboloid planar sound wave collector unit；Mechanical structure is simple, cleaning
Environmental protection.The present invention fully applies bionics principle, device performance is relatively increased on the basis of noise utilization rate is improved
It is long.
Brief description of the drawings
Fig. 1 is the noise power generator front view based on the conduction of people's otica chain type of the specific embodiment of the invention；
Fig. 2 is the noise power generator sectional view based on the conduction of people's otica chain type of the specific embodiment of the invention；
Fig. 3 is that the noise power generator based on the conduction of people's otica chain type of the specific embodiment of the invention connects block diagram；
Fig. 4 is the acoustic receiver cellular construction schematic diagram of the specific embodiment of the invention；
Fig. 5 is eardrum, auditory ossicular chain and its rotating shaft ideograph；
Fig. 6 is eardrum pressurized effect schematic diagram；
Fig. 7 is the apery ear auditory ossicular chain lever unit structural representation of the specific embodiment of the invention；
Fig. 8 is the acoustic-electric converting unit arrangement schematic diagram of the specific embodiment of the invention,（a）For front view,（b）To be cross-sectional
Figure；
Fig. 9 is the noise power generator top view based on the conduction of people's otica chain type of the specific embodiment of the invention；
Figure 10 is the noise power generator stereogram based on the conduction of people's otica chain type of the specific embodiment of the invention；
Figure 11 is the voltage stabilizing amplifying circuit schematic diagram of the specific embodiment of the invention；
Figure 12 is four kinds of supporting way schematic diagrames,（a）For the supporting way of beam type,（b）The support fixed for periphery
Mode,（c）For the supporting way of free boundary,（d）For freely-supported supporting way；
In figure, 1- acoustic receiver units, 2- vibrating membranes, 3- apery ear auditory ossicular chain lever units, 4- acoustic-electric converting units, 5-
Resonant cavity, the blind property pipelines of 6-, 7- apertures, 8- macropores, 9- is long-armed, 10- galianconism, 11- sound wave collector units, 12- eardrums, and 13- listens
Bone chain, 14- stapes footplates, 15- effectively vibrate area.
Embodiment
The embodiment of the present invention is elaborated below in conjunction with the accompanying drawings.
A kind of noise power generator based on the conduction of people's otica chain type, as shown in Fig. 1 ~ Fig. 2, Fig. 9 ~ Figure 10, including：Sound wave
Receiving unit 1, vibrating membrane 2, apery ear auditory ossicular chain lever unit 3, acoustic-electric converting unit 4, voltage stabilizing amplifying circuit.
Acoustic receiver unit 1, which is collected, comes from any direction sound wave in free field, and the output end connection of acoustic receiver unit 1 is imitative
One end of human ear auditory ossicular chain lever unit 3, the output end 1 of acoustic receiver unit and one end of apery ear auditory ossicular chain lever unit 3
Between be provided with vibrating membrane 2, the other end connection acoustic-electric converting unit 4 of apery ear auditory ossicular chain lever unit 3, acoustic-electric converting unit
The input of 4 output end connection voltage stabilizing amplifying circuit, the output end of voltage stabilizing amplifying circuit are connected to battery, connection such as Fig. 3
It is shown.
The described noise power generator based on the conduction of people's otica chain type, in addition to sound wave collector unit 11, with microphone
Sound collection cover it is similar, using hyperbolic-parabolic sound collection cover, fully collect the sound wave of any direction in free field, multiple sound waves
Receiving unit 1 is evenly arranged in sound wave collector unit 11.The design outline parabolic shape in pairs of sound wave collector unit 11 is not only
The area of contact sound wave is increased, and it is vertical with Acoustic Wave Propagation direction, sound wave collecting amount is reached maximization, at the same it is also internal
Portion's each unit plays a protective role.
As shown in figure 4, acoustic receiver unit 1 uses radar shape double-layer cavity structure, sound wave is absorbed as much as possible and is collected
The sound wave that unit 11 is collected, acoustic receiver unit 1 include resonant cavity 5 and blind property pipeline 6；The surface of resonant cavity 5 is evenly distributed with more
The aperture 7 of individual poly- sound, a part of sound wave are entered in resonant cavity 5 by the aperture 7 of poly- sound, are amplified use into centre after collecting
Macropore 8 in；Another part sound wave is directly entered in the middle macropore 8 to amplify, into the sound wave in resonant cavity 5 in blind property pipe
Transmitted after producing resonance in road 6 to vibrating membrane 2, play a part of farthest amplifying acoustic pressure efficiency.
Eardrum, auditory ossicular chain and its rotating shaft pattern as shown in figure 5, the area ratio of eardrum 12 and stapes footplate 14 is 18.6,
The length ratio of the long galianconism of auditory ossicular chain 13 is 1.3, and the length of the long galianconism of auditory ossicular chain 13 will reach the sound wave of auditory ossicular chain 13 than 1.3
1.3 times of amplification, and sound wave is amplified 18.6 times by eardrum 12 and the area ratio 18.6 of stapes footplate 14, as shown in fig. 6, eardrum
12 area substantially exceeds the area of stapes footplate 14, and the pressure pretended in the unit area of stapes footplate 14 substantially exceeds work
For the pressure on eardrum 12, the energy attenuation of sound wave is compensate for by Fig. 6 pressurized effect.
Present embodiment is using bionics principle design apery ear auditory ossicular chain lever unit 3, as shown in fig. 7, apery ear is listened
Long-armed the 9 of bone chain lever unit 3 with the ratio of galianconism 10 be 1.3.The function of vibrating membrane 2 imitates eardrum 12, acoustic-electric converting unit 4
Function imitates stapes footplate 14, the effective vibration area for the vibrating membrane 2 that apery ear auditory ossicular chain lever unit 3 is connected by its one end
The ratio that the area of acoustic-electric converting unit is contacted with the other end amplifies the vibration of sound wave.
Acoustic-electric converting unit 4 uses PVDF piezoelectric membranes, and some piezoelectric membrane spheres use the supporting way of beam type
The spherical array with certain curvature is arranged to, makes the sound wave perpendicular acting from different directions as far as possible in piezoelectric membrane
On, improve acoustic-electric conversion efficiency；In fig. 12,（a）For the supporting way of beam type,（b）The supporting way fixed for periphery,
（c）For the supporting way of free boundary,（d）For freely-supported supporting way, the supporting way of beam type, compared with other three kinds of support sides
Formula can produce the amount of deflection of maximum, while have relatively low resonant frequency, and acoustic-electric conversion efficiency can be made to reach highest.Because sound wave exists
Propagation spherical in shape in free field, the direction of propagation is also close to spherical in actual propagation, so being assembled when assembling these units
It is single to make the sound vertical incidence from different directions enter acoustic-electric conversion as far as possible into the spherical array with certain curvature
Member 4, as shown in figure 8, wherein（a）For the front view of spherical array,（b）For the cross sectional view of spherical array.
The voltage stabilizing amplifying circuit of present embodiment is as shown in figure 11, from MAX1672 as voltage stabilizing chip, has boost type
Or the function of buck DC/DC converters.The output voltage of the chip is a constant value.MAX1672 peripheral components are main
Including a Schottky diode, 10uH inductance, two larger tantalum electric capacity (100uF), one 4.7uF of output termination
Electric capacity and some resistance.Two 100uF tantalum electric capacity one is connected on input, primarily serves the effect of place to go input ripple.
Because the output resistance of piezoelectric membrane circuit is larger, larger output ripple will be produced for the switching load of increasing, 4.7uF's
Electric capacity is exactly to play alleviation load acute variation, reduces the effect of output pulsation.The output resistance of another 100uF tantalum electric capacity
It is smaller, output current can be effectively improved.
Enter the method for Row noise generating using the noise power generator based on the conduction of people's otica chain type, including：
Step 1, acoustic receiver unit, which are collected, comes from any direction sound wave in free field；
Step 2, sound wave through acoustic receiver unit be transferred to apery ear auditory ossicular chain lever unit one end vibrating membrane produce with
The consistent vibration of frequency of sound wave,
Vibrating membrane can most sense the change of sound wave, and noise resonates in the resonant cavity of acoustic receiver unit, so as to draw
Play vibration vibration of membrane；
The effective vibration area for the vibrating membrane that step 3, apery ear auditory ossicular chain lever unit are connected by its one end with it is another
The vibration of sound wave is amplified 18.6 times by the ratio of the area of end in contact acoustic-electric converting unit, and apery ear auditory ossicular chain lever unit is in itself
The vibration of sound wave is amplified 1.3 times again, the loss of sound wave 30dB can be reduced after amplifying twice；
Step 4, acoustic-electric converting unit receive the vibration of sound wave, produce direct piezoelectric effect, output current；
Step 5, voltage stabilizing amplifying circuit store electric current caused by each acoustic-electric converting unit after voltage stabilizing enhanced processing
In battery.
The noise power generator of the present invention can make an uproar what aeroengine noise, millwork noise, on-highway motor vehicle etc. were sent
Sound is endlessly converted to electric energy, certainly will be advantageous to human health and reach the purpose of energy-conserving and environment-protective.It is this in some occasions
Device can substitute battery or be charged for battery, the micromechanics unit such as the portable minisize sensor of low energy consumption, micropower electrical equipment
Power supply etc., development and application prospect are boundless.Sound energy power generation technology will be regenerative resource as a kind of new generation technology
The innovation and breakthrough of generation technology are provided fundamental basis and technological reserve.
Claims (6)
1. a kind of noise power generator based on the conduction of people's otica chain type, including：Acoustic receiver unit（1）, vibrating membrane（2）, it is imitative
Human ear auditory ossicular chain lever unit（3）, acoustic-electric converting unit（4）, voltage stabilizing amplifying circuit；
The acoustic receiver unit（1）Collect and come from any direction sound wave in free field, acoustic receiver unit（1）Output end connect
Connect apery ear auditory ossicular chain lever unit（3）One end, the output end of acoustic receiver unit（1）With apery ear auditory ossicular chain lever unit
（3）One end between be provided with vibrating membrane（2）, apery ear auditory ossicular chain lever unit（3）The other end connection acoustic-electric converting unit
（4）, acoustic-electric converting unit（4）Output end connection voltage stabilizing amplifying circuit input, voltage stabilizing amplifying circuit output end connection
To battery；
Characterized in that, the acoustic receiver unit（1）, using radar shape double-layer cavity structure, acoustic receiver unit（1）Including
Resonant cavity（5）With blind property pipeline（6）；Resonant cavity（5）Surface is evenly distributed with the aperture of multiple poly- sound（7）, a part of sound wave
Pass through the aperture of poly- sound（7）Into resonant cavity（5）It is interior, the middle macropore to amplify is entered after collecting（8）It is interior；Another part sound
Ripple is directly entered the middle macropore to amplify（8）It is interior, into resonant cavity（5）Interior sound wave is in blind property pipeline（6）It is interior to produce resonance
After transmit to vibrating membrane（2）.
2. the noise power generator according to claim 1 based on the conduction of people's otica chain type, it is characterised in that also including sound
Ripple collector unit（11）, using hyperbolic-parabolic sound collection cover, multiple acoustic receiver units（1）It is evenly arranged in sound wave collector unit
（11）It is interior.
3. the noise power generator according to claim 1 based on the conduction of people's otica chain type, it is characterised in that the apery
Ear auditory ossicular chain lever unit（3）It is long-armed（9）With galianconism（10）Ratio be 1.3.
4. the noise power generator according to claim 1 based on the conduction of people's otica chain type, it is characterised in that the acoustic-electric
Converting unit（4）Using piezoelectric membrane, some piezoelectric membranes are arranged to spherical array using the supporting way of beam type.
5. the noise power generator according to claim 1 based on the conduction of people's otica chain type, it is characterised in that the apery
Ear auditory ossicular chain lever unit（3）The vibrating membrane connected by its one end（2）Effective vibration area contacted with the other end acoustic-electric turn
The ratio for changing the area of unit amplifies the vibration of sound wave.
6. enter the method for Row noise generating using the noise power generator based on the conduction of people's otica chain type described in claim 1,
It is characterised in that it includes：
Acoustic receiver unit, which is collected, comes from any direction sound wave in free field；
The vibrating membrane that sound wave is transferred to apery ear auditory ossicular chain lever unit one end through acoustic receiver unit produces and frequency of sound wave one
The vibration of cause；
The effective vibration area for the vibrating membrane that apery ear auditory ossicular chain lever unit is connected by its one end contacts acoustic-electric with the other end
The ratio of the area of converting unit amplifies the vibration of sound wave；
Acoustic-electric converting unit receives the vibration of sound wave, produces direct piezoelectric effect, output current；
Electric current caused by each acoustic-electric converting unit is stored in battery by voltage stabilizing amplifying circuit after voltage stabilizing enhanced processing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610570535.1A CN106208808B (en) | 2016-07-18 | 2016-07-18 | A kind of noise power generator and method based on the conduction of people's otica chain type |
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| CN201610570535.1A CN106208808B (en) | 2016-07-18 | 2016-07-18 | A kind of noise power generator and method based on the conduction of people's otica chain type |
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| CN106208808B true CN106208808B (en) | 2018-01-02 |
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| CN108667344A (en) * | 2018-05-22 | 2018-10-16 | 山东大学 | A kind of Tunnel Noise amplification electricity generation system and method based on piezoelectric effect |
| CN108755466B (en) * | 2018-05-25 | 2021-01-19 | 西安交通大学 | Environment-friendly noise absorbing wall |
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| US4150262A (en) * | 1974-11-18 | 1979-04-17 | Hiroshi Ono | Piezoelectric bone conductive in ear voice sounds transmitting and receiving apparatus |
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| CN106208808A (en) | 2016-12-07 |
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Granted publication date: 20180102 Termination date: 20180718 |