CN106208808A - A kind of noise power generator based on the conduction of people's otica chain type and method - Google Patents
A kind of noise power generator based on the conduction of people's otica chain type and method Download PDFInfo
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- CN106208808A CN106208808A CN201610570535.1A CN201610570535A CN106208808A CN 106208808 A CN106208808 A CN 106208808A CN 201610570535 A CN201610570535 A CN 201610570535A CN 106208808 A CN106208808 A CN 106208808A
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 21
- 239000012528 membrane Substances 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 11
- 235000001968 nicotinic acid Nutrition 0.000 abstract description 4
- 210000000959 ear middle Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 210000001050 stape Anatomy 0.000 description 5
- 238000006243 chemical reaction Methods 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
- 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
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 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
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Abstract
The present invention provides a kind of noise power generator based on the conduction of people's otica chain type and method, this device includes: acoustic receiver unit, vibrating diaphragm, apery ear ossicular chain lever unit, acoustic-electric converting unit, voltage stabilizing amplifying circuit, the outfan of acoustic receiver unit connects the end of apery ear ossicular chain lever unit, it is provided with vibrating diaphragm between outfan and one end of apery ear ossicular chain lever unit of acoustic receiver unit, the other end of apery ear ossicular chain lever unit connects acoustic-electric converting unit, the outfan of acoustic-electric converting unit connects the input of voltage stabilizing amplifying circuit, the outfan of voltage stabilizing amplifying circuit is connected to accumulator.The present invention causes vibration vibration of membrane by the sound wave received, cause the vibration of apery ear ossicular chain lever unit again, apery ear ossicular chain lever unit end contacts with piezoelectric membrane, cause piezoelectric membrane to produce direct piezoelectric effect and produce electric current, on the basis of improving noise utilization rate, fully apply bionics principle, make device performance obtain bigger growth.
Description
Technical field
The invention belongs to noise technical field of power generation, a kind of noise power generator based on the conduction of people's otica chain type
And method.
Background technology
Along with the development of science and technology, tap a new source of energy imperative.Meanwhile, energy-saving and emission-reduction also become and improve environmental problem
Much-talked-about topic.Noise, as a kind of public's environomental pollution source, affects work and the life of people, is that the world four pollutes greatly it
One.Improvement to sound pollution, traditional way is to arrange isolation or protection on its propagation path, although to a certain extent
Reduce the noise harm to the mankind, but this portion of energy effectively can not be used.The appearance of noise generating is to environment
Improvement and energy-saving and emission-reduction create important meaning, but current noise generating is the lowest to the utilization rate of acoustic wave energy.As
What improves the utilization rate to noise energy, becomes the critical problem of noise generating.
Summary of the invention
It is an object of the invention to provide a kind of noise power generator based on the conduction of people's otica chain type and method.
The technical scheme is that
A kind of based on people's otica chain type conduction noise power generator, it is characterised in that including: acoustic receiver unit, vibrating diaphragm,
Apery ear ossicular chain lever unit, acoustic-electric converting unit, voltage stabilizing amplifying circuit；
Described acoustic receiver unit is collected from any direction sound wave in free field, and the outfan of acoustic receiver unit connects apery
One end of ear ossicular chain lever unit, sets between outfan and one end of apery ear ossicular chain lever unit of acoustic receiver unit
Being equipped with vibrating diaphragm, the other end of apery ear ossicular chain lever unit connects acoustic-electric converting unit, the outfan of acoustic-electric converting unit
Connecting the input of voltage stabilizing amplifying circuit, the outfan of voltage stabilizing amplifying circuit is connected to accumulator.
Described noise power generator based on the conduction of people's otica chain type, also includes sound wave collector unit, uses hyperbolic to throw
Object plane sound collection cover, multiple acoustic receiver unit are evenly arranged in sound wave collector unit.
Described acoustic receiver unit, uses radar shape double-layer cavity structure, and 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
Intracavity, enters after collecting in the middle macropore amplified；Another part sound wave is directly entered in the macropore that centre amplifies, and enters
Sound wave in resonant cavity transmits to vibrating diaphragm after producing resonance in blind property pipeline.
The ratio of the long-armed and galianconism of described apery ear ossicular chain lever unit is 1.3.
Described acoustic-electric converting unit uses piezoelectric membrane, and some piezoelectric membranes use the supporting way of beam type to be arranged to
Spherical array.
Effectively vibration area and the other end of the vibrating diaphragm that described apery ear ossicular chain lever unit is connected by its one end
The vibration of sound wave is amplified by the ratio of the area of contact acoustic-electric converting unit.
The method that noise power generator based on the conduction of people's otica chain type described in employing carries out noise generating, including:
Acoustic receiver unit is collected from any direction sound wave in free field；
Sound wave is transferred to vibrating diaphragm generation and the frequency of sound wave one of apery ear ossicular chain lever unit one end through acoustic receiver unit
The vibration caused；
The effectively vibration area of the vibrating diaphragm that apery ear ossicular chain lever unit is connected by its one end contacts acoustic-electric with the other end
The vibration of sound wave is amplified by the ratio of the area of converting unit；
Acoustic-electric converting unit receives the vibration of sound wave, produces direct piezoelectric effect, exports electric current；
The electric current that each acoustic-electric converting unit produces is stored in accumulator after voltage stabilizing processing and amplifying by voltage stabilizing amplifying circuit.
Beneficial effect:
The present invention causes vibration vibration of membrane by the sound wave that acoustic receiver unit receives, then is caused with imitative by vibration vibration of membrane
The vibration of human ear ossicular chain lever unit, apery ear ossicular chain lever unit end contacts with piezoelectric membrane, apery ear ear bones
The vibration of chain lever unit causes piezoelectric membrane to produce direct piezoelectric effect to produce electric current.Use bionics principle, by vibration
Effectively vibration area and apery ear ossicular chain lever unit and the area ratio of piezoelectric membrane contact area of film, by the vibration of sound wave
Amplify 18.6 times.Apery ear ossicular chain lever unit itself amplifies 1.3 times again vibration, makes piezoelectric membrane through twice amplification
Stress adds 24.1 times, makes the loss of acoustic wave energy reduce 30dB, it is achieved that the raising to acoustic energy utilization rate, and then minimizing sound
Loss of energy, principally falls into low-grade energy and utilizes field.Acoustic-electric converting unit uses spherical array distribution, improves generating effect
Rate；Radar shape acoustic receiver unit is evenly distributed inside double-paraboloid planar sound wave collector unit；Frame for movement is simple, wiper ring
Protect.The present invention, on the basis of improving noise utilization rate, fully applies bionics principle, makes device performance relatively be increased
Long.
Accompanying drawing explanation
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 tympanum, ossicular chain and rotating shaft ideograph thereof；
Fig. 6 is tympanum pressurized effect schematic diagram；
Fig. 7 is the apery ear ossicular chain lever unit structural representation of the specific embodiment of the invention；
Fig. 8 is that the acoustic-electric converting unit of the specific embodiment of the invention arranges schematic diagram, and (a) is front view, and (b) is cross sectional view；
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 axonometric chart 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 diagrams, and (a) is the supporting way of beam type, and (b) is the supporting way that periphery is fixing,
C () is the supporting way of free boundary, (d) is freely-supported supporting way；
In figure, 1-acoustic receiver unit, 2-vibrating diaphragm, 3-apery ear ossicular chain lever unit, 4-acoustic-electric converting unit, 5-resonates
Chamber, 6-blind property pipeline, 7-aperture, 8-macropore, 9-is long-armed, 10-galianconism, 11-sound wave collector unit, 12-tympanum, 13-ossicular chain,
14-stapes footplate, 15-effectively vibrates area.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is elaborated.
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
Receive unit 1, vibrating diaphragm 2, apery ear ossicular chain lever unit 3, acoustic-electric converting unit 4, voltage stabilizing amplifying circuit.
Acoustic receiver unit 1 collects any direction sound wave in free field, and the outfan of acoustic receiver unit 1 connects imitative
One end of human ear ossicular chain lever unit 3, the outfan 1 of acoustic receiver unit and one end of apery ear ossicular chain lever unit 3
Between be provided with vibrating diaphragm 2, the other end of apery ear ossicular chain lever unit 3 connects acoustic-electric converting unit 4, acoustic-electric converting unit
The outfan of 4 connects the input of voltage stabilizing amplifying circuit, and the outfan of voltage stabilizing amplifying circuit is connected to accumulator, connects such as Fig. 3
Shown in.
Described noise power generator based on the conduction of people's otica chain type, also includes sound wave collector unit 11, with mike
Sound collection cover be similar to, use hyperbolic-parabolic sound collection cover, fully collect the sound wave from direction any in free field, multiple sound waves
Receive unit 1 to be evenly arranged in sound wave collector unit 11.The design outline of sound wave collector unit 11 becomes double-paraboloid planar not only
Increase the area of contact sound wave, and vertical with sonic propagation direction, make sound wave collecting amount reach to maximize, the most 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, absorbs sound wave as much as possible and collects
The sound wave that unit 11 is collected, acoustic receiver unit 1 includes resonant cavity 5 and blind property pipeline 6；Resonant cavity 5 surface is evenly distributed with many
The aperture 7 of individual poly-sound, a part of sound wave enters in resonant cavity 5 by the aperture 7 of poly-sound, enters the middle use that amplifies after collecting
Macropore 8 in；Another part sound wave is directly entered in the macropore 8 that centre amplifies, and enters the sound wave in resonant cavity 5 at blind property pipe
Transmit after producing resonance in road 6 to vibrating diaphragm 2, play the effect farthest amplifying acoustic pressure usefulness.
Tympanum, ossicular chain and rotating shaft pattern thereof as it is shown in figure 5, the area ratio of tympanum 12 and stapes footplate 14 is 18.6,
The length ratio of the long galianconism of ossicular chain 13 is 1.3, and the length of the long galianconism of ossicular chain 13 will arrive the sound wave of ossicular chain 13 than 1.3
Amplify 1.3 times, and sound wave is amplified 18.6 times by the area ratio 18.6 of tympanum 12 and stapes footplate 14, as shown in Figure 6, tympanum
The area of 12 substantially exceeds the area of stapes footplate 14, and the pressure pretended in stapes footplate 14 unit are substantially exceeds work
Pressure on tympanum 12, compensate for the energy attenuation of sound wave by the pressurized effect of Fig. 6.
Present embodiment uses bionics principle design apery ear ossicular chain lever unit 3, as it is 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 diaphragm 2 imitates tympanum 12, acoustic-electric converting unit 4
Function imitates stapes footplate 14, the vibrating diaphragm 2 that apery ear ossicular chain lever unit 3 is connected by its one end effectively vibrate area
The vibration of sound wave is amplified by the ratio of the area contacting acoustic-electric converting unit with the other end.
Acoustic-electric converting unit 4 uses PVDF piezoelectric membrane, and some piezoelectric membrane spheres use the supporting way of beam type
It is arranged to the spherical array with certain curvature, makes the sound wave perpendicular acting from different directions at piezoelectric membrane as far as possible
On, improve acoustic-electric conversion efficiency；In fig. 12, (a) is the supporting way of beam type, and (b) is the supporting way that periphery is fixing,
C () is the supporting way of free boundary, (d) is freely-supported supporting way, the supporting way of beam type, relatively other three kinds of support sides
Formula can produce the amount of deflection of maximum, has relatively low resonant frequency simultaneously, acoustic-electric conversion efficiency can be made to reach the highest.Owing to sound wave exists
Propagation spherical in shape in free field, in actual propagation, the direction of propagation is also close to spherical, so assembling when assembling these unit
Become there is the spherical array of certain curvature, to make as far as possible to enter acoustic-electric conversion list from the sound vertical incidence of different directions
Unit 4, as shown in Figure 8, wherein (a) is the front view of spherical array, and (b) is the cross sectional view of spherical array.
The voltage stabilizing amplifying circuit of present embodiment as shown in figure 11, is selected MAX1672 as voltage stabilizing chip, is had boost type
Or the function of buck DC/DC changer.The output voltage of this chip is a constant value.MAX1672 peripheral components is main
Including a Schottky diode, the inductance of a 10uH, two bigger tantalum electric capacity (100uF), output one 4.7uF of termination
Electric capacity and some resistance.The tantalum electric capacity of two 100uF one is connected on input, primarily serves the effect of place to go input ripple.
Owing to the output resistance of piezoelectric membrane circuit is relatively big, bigger output ripple will be produced for the switching load strengthened, 4.7uF's
Electric capacity plays alleviation load acute variation exactly, reduces the effect of output pulsation.The output resistance of the tantalum electric capacity of another 100uF
Less, output electric current can be effectively improved.
The method that noise power generator based on the conduction of people's otica chain type described in employing carries out noise generating, including:
Step 1, acoustic receiver unit are collected from any direction sound wave in free field；
Step 2, sound wave are transferred to vibrating diaphragm generation and the sound wave of apery ear ossicular chain lever unit one end through acoustic receiver unit
The vibration that frequency is consistent,
Vibrating diaphragm can sense the change of sound wave, and noise resonates in the resonant cavity of acoustic receiver unit, thus causes and shake
Dynamic vibration of membrane；
The effectively vibration area of the vibrating diaphragm that step 3, apery ear ossicular chain lever unit are connected by its one end terminates with another
The vibration of sound wave is amplified 18.6 times by the ratio of the area touching acoustic-electric converting unit, and apery ear ossicular chain lever unit itself is again
The vibration of sound wave is amplified 1.3 times, after twice amplification, the loss of sound wave can be reduced 30dB；
Step 4, acoustic-electric converting unit receive the vibration of sound wave, produce direct piezoelectric effect, export electric current；
The electric current that each acoustic-electric converting unit produces is stored in storage after voltage stabilizing processing and amplifying by step 5, voltage stabilizing amplifying circuit
In battery.
The noise power generator of the present invention can be by making an uproar that aeroengine noise, millwork noise, on-highway motor vehicle etc. send
Sound is converted to electric energy endlessly, certainly will be conducive to human health and reach the purpose of energy-conserving and environment-protective.This in some occasion
Device can replace battery or charge for battery, the micromechanics unit such as the portable minisize sensor of low energy consumption, micropower electrical equipment
Power supplies etc., development and application prospect are boundless.Sound energy power generation technology will be for regenerative resource as a kind of new generation technology
The innovation of generation technology and breakthrough are provided fundamental basis and technological reserve.
Claims (7)
1. a noise power generator based on the conduction of people's otica chain type, it is characterised in that including: acoustic receiver unit (1), shake
Dynamic film (2), apery ear ossicular chain lever unit (3), acoustic-electric converting unit (4), voltage stabilizing amplifying circuit；
Described acoustic receiver unit (1) is collected from any direction sound wave in free field, and the outfan of acoustic receiver unit (1) is even
Connect one end of apery ear ossicular chain lever unit (3), the outfan (1) of acoustic receiver unit and apery ear ossicular chain lever unit
(3) being provided with vibrating diaphragm (2) between one end, the other end of apery ear ossicular chain lever unit (3) connects acoustic-electric converting unit
(4), the outfan of acoustic-electric converting unit (4) connects the input of voltage stabilizing amplifying circuit, and the outfan of voltage stabilizing amplifying circuit connects
To accumulator.
Noise power generator based on the conduction of people's otica chain type the most according to claim 1, it is characterised in that also include sound
Ripple collector unit (11), uses hyperbolic-parabolic sound collection cover, and multiple acoustic receiver unit (1) are evenly arranged in sound wave collector unit
(11) in.
Noise power generator based on the conduction of people's otica chain type the most according to claim 1, it is characterised in that described sound wave
Receiving unit (1), use radar shape double-layer cavity structure, acoustic receiver unit (1) includes resonant cavity (5) and blind property pipeline (6)；
Resonant cavity (5) surface is evenly distributed with the aperture (7) of multiple poly-sound, and a part of sound wave is entered by the aperture (7) of poly-sound
In resonant cavity (5), enter after collecting in the middle macropore (8) amplified；Another part sound wave is directly entered what centre amplified
In macropore (8), enter after the sound wave in resonant cavity (5) produces resonance in blind property pipeline (6) and transmit to vibrating diaphragm (2).
Noise power generator based on the conduction of people's otica chain type the most according to claim 1, it is characterised in that described apery
Long-armed (9) of ear ossicular chain lever unit (3) and the ratio of galianconism (10) are 1.3.
Noise power generator based on the conduction of people's otica chain type the most according to claim 1, it is characterised in that described acoustic-electric
Converting unit (4) uses piezoelectric membrane, and some piezoelectric membranes use the supporting way of beam type to be arranged to spherical array.
Noise power generator based on the conduction of people's otica chain type the most according to claim 1, it is characterised in that described apery
The effectively vibration area of the vibrating diaphragm (2) that ear ossicular chain lever unit (3) is connected by its one end contacts acoustic-electric with the other end and turns
The vibration of sound wave is amplified by the ratio of the area changing unit.
7. use the method that the noise power generator based on the conduction of people's otica chain type described in claim 1 carries out noise generating,
It is characterized in that, including:
Acoustic receiver unit is collected from any direction sound wave in free field；
Sound wave is transferred to vibrating diaphragm generation and the frequency of sound wave one of apery ear ossicular chain lever unit one end through acoustic receiver unit
The vibration caused；
The effectively vibration area of the vibrating diaphragm that apery ear ossicular chain lever unit is connected by its one end contacts acoustic-electric with the other end
The vibration of sound wave is amplified by the ratio of the area of converting unit；
Acoustic-electric converting unit receives the vibration of sound wave, produces direct piezoelectric effect, exports electric current；
The electric current that each acoustic-electric converting unit produces is stored in accumulator after voltage stabilizing processing and amplifying by voltage stabilizing amplifying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN106208808A true CN106208808A (en) | 2016-12-07 |
| CN106208808B CN106208808B (en) | 2018-01-02 |
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Cited By (3)
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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 |
| CN108755466A (en) * | 2018-05-25 | 2018-11-06 | 西安交通大学 | A kind of environmentally friendly noise consumption wall |
| CN115346504A (en) * | 2022-08-12 | 2022-11-15 | 东北大学 | Underwater sound transmission metamaterial based on bionic human ears |
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| CN108755466A (en) * | 2018-05-25 | 2018-11-06 | 西安交通大学 | A kind of environmentally friendly noise consumption wall |
| CN115346504A (en) * | 2022-08-12 | 2022-11-15 | 东北大学 | Underwater sound transmission metamaterial based on bionic human ears |
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| Publication number | Publication date |
|---|---|
| CN106208808B (en) | 2018-01-02 |
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