CN106230317A - Porous incremental type rotary type piezoelectric generator - Google Patents
Porous incremental type rotary type piezoelectric generator Download PDFInfo
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- CN106230317A CN106230317A CN201610821666.2A CN201610821666A CN106230317A CN 106230317 A CN106230317 A CN 106230317A CN 201610821666 A CN201610821666 A CN 201610821666A CN 106230317 A CN106230317 A CN 106230317A
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- 238000002347 injection Methods 0.000 claims description 3
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- 239000000919 ceramic Substances 0.000 claims 1
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- 229920002981 polyvinylidene fluoride Polymers 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 29
- 230000000694 effects Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 230000003321 amplification Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
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- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
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- 239000010426 asphalt Substances 0.000 description 1
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- 230000033228 biological regulation Effects 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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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
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
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Abstract
The invention discloses a kind of porous incremental type rotary type piezoelectric generator, convert the problems such as energy conversion efficiency that in industrial environment, the piezoelectric generator of gas energy exists is low to solve to be currently used in.The present invention is made up of porous array type flow-increasing device, rotation dial type generator assembly and holding screw three part.Porous array type flow-increasing device and rotation dial type generator assembly are fastenedly connected by holding screw.The flow of high-pressure low-flow gas can be amplified by described porous array type flow-increasing device, acts on piezoelectric element and realizes energy capture, is obviously improved the electric power generating efficiency of piezoelectric generator, electric power generating efficiency can be improved more than 3 times.By energy management circuit, the electric energy produced is carried out rectification, can be with a wide range of applications in low power dissipation electron equipment, Internet of things node and low-power consumption sensor energy supply technical field with the low power dissipation electron device energy supply such as Internet of things node of continuous and effective.
Description
Technical field
The present invention relates to a kind of porous incremental type rotary type piezoelectric generator, belong to generating and low power dissipation electron device energy supply
Technical field.
Background technology
Along with manufacturing improving constantly of equipment technology intelligent level, and melt with the degree of depth of technology of Internet of things along with it
Closing, substantial amounts of Internet of things node is used widely in machine-building equipment field.Internet of things node is carried out stable, reliable
Continued power, is to ensure that the premise that Internet of things node normally works.Current mechanical manufactures the Internet of things node energy-provision way in field
Mainly include that power supply is directly powered and chemical cell is powered two ways.Wherein, there is electromagnetic interference in power supply direct feeding system
Seriously, the problem such as system wiring is complicated, chemical cell power supply mode then exists that battery is limited, need to regularly replace with
And the deficiency such as environmental pollution.Therefore, a kind of novel energy supply technology for Internet of things node energy supply need to be studied to solve to pass
Many drawbacks that system energy supply technology is brought.
Utilize the environmental energy collection technique that the direct piezoelectric effect capture micro-energy conversion of environment of piezoelectric element is electric energy, by
In have energy conversion efficiency height, cleanliness without any pollution, not by advantages such as electromagnetic interference and length in service life, become micro-energy and turn
Change and the study hotspot of supply technology.The energy that compressed gas has is a large amount of form of energy existed in commercial production, its tool
The advantages such as standby safely cleaning is renewable.Therefore, the gas energy in Appropriate application industrial production environment, in conjunction with piezoelectric element just
Gas energy is converted into electric energy by piezoelectric effect is wireless Internet of things node energy supply, can effectively solve conventional power source and power and bring
Wiring is complicated and battery is powered bring need periodic replacement, pollute the problems such as environment, to the intelligence improving industry and manufacturing equipment technology
Level can be changed there is facilitation.Current there is energy and convert for capturing the piezoelectric generator of gas energy in industrial environment
Inefficient problem, constrains its application in low power dissipation electron device energy supply technical fields such as Internet of things nodes.
Summary of the invention
The problem low for solving conventional piezoelectric generator energy transformation efficiency, the open a kind of incremental type of porous of the present invention rotates
Formula piezoelectric generator, provides a kind of sustainable work, energy conversion efficiency high for low power dissipation electron devices such as Internet of things nodes
Power supply device.
The technical solution adopted in the present invention is:
Described a kind of porous incremental type rotary type piezoelectric generator, porous array type flow-increasing device, rotation dial type generating set
Part and holding screw composition, wherein porous array type flow-increasing device and rotation dial type generator assembly are fastened by holding screw
Connect；Described porous array type flow-increasing device be provided with air inlet, annular high voltage hold air cavity, flow-increasing device threaded connection hole,
Taper suction end, miniature jet hole and conical flow ejection end；Described rotation dial type generator assembly includes that fan, piezoelectricity are sent out
Electricity assembly I, front installing rack, rear installing rack, piezo-electric generating assembly II, rotating shaft, bearing I, trip bolt, bearing II.
Described air inlet is positioned at annular high voltage and holds on the periphery of air cavity, and described flow-increasing device threaded connection hole is with tight
Determining screw thread to connect, described taper suction end is positioned at the inducing gas suction side of porous array type flow-increasing device, described miniature
Jet orifice is positioned at annular high voltage and holds the compressed gas injection end face of air cavity, and the incremental dress of porous array type is close in described miniature jet hole
The exhaust end wall put, described conical flow ejection end is positioned at the exhaust end of porous array type flow-increasing device.
Described fan is threaded connection with rotating shaft；Described piezo-electric generating assembly I is provided with elastic base plate and piezoelectric element
I, described elastic base plate is bonding with piezoelectric element I, and described piezo-electric generating assembly I and front installing rack are fastenedly connected；Install before described
Frame and rear installing rack are fastenedly connected by trip bolt, and described piezo-electric generating assembly II and rear installing rack are fastenedly connected, described turn
Axle coordinates with bearing I, bearing II, and described bearing I is arranged on front installing rack, and described bearing II is arranged on rear installing rack；Institute
Stating front installing rack and be provided with installation screwed hole, trip bolt is threadeded with installing screwed hole, and described front installing rack is provided with row
Pore, described front installing rack is provided with bearing mounting hole I, and bearing I is fixed on front installing rack by bearing mounting hole I,
Described front installing rack is provided with installation counterbore I, and piezo-electric generating assembly I is fixed on front installing rack by installing counterbore I；After described
Installing rack is provided with installation through hole, and trip bolt is connected with installing through hole, and described rear installing rack is provided with installation counterbore II,
Piezo-electric generating assembly II is fixed on rear installing rack by installing counterbore II, and described rear installing rack is provided with bearing mounting hole II,
Bearing II is fixed on rear installing rack by bearing mounting hole II；Described piezo-electric generating assembly II be provided with reset substrate and
Piezoelectric element II, described reset substrate is bonding with piezoelectric element II；Described rotating shaft is provided with the location shaft shoulder I, for the axle of bearing I
To location, described rotating shaft is provided with plectrum, is used for stirring piezo-electric generating assembly II, and described rotating shaft is provided with the location shaft shoulder II, uses
Axial location in bearing II.
The invention has the beneficial effects as follows: under not affecting industrial working condition, utilize the porous array invented
Formula flow-increasing device carries out Flow amplification to small flow high pressure gas, and the gas after amplified flow is sprayed by venthole, excitation cone
Shape jet-impingement end rotates dial type generator assembly, makes internal piezo-electric generating assembly produce Bending Deformation, utilizes positive piezoelectricity to imitate
Electric energy should be realized convert, to reach the effect utilizing amplification air-flow to carry out collection of energy conversion, improve the energy of piezoelectric generator
Transformation efficiency.The present invention has an effect utilizing high-pressure low-flow gas to carry out gas flow amplification, and has concurrently to make full use of and put
Big flow carries out the technical advantage of piezoelectric energy collection, and electric power generating efficiency improves more than 3 times, in low merits such as Internet of things nodes
Consumption electronic device energy supply technical field is with a wide range of applications.
Accompanying drawing explanation
Fig. 1 show the structural representation of the porous incremental type rotary type piezoelectric generator that the present invention proposes；
Fig. 2 show the porous array type flow-increasing device structural representation that the present invention proposes；
Fig. 3 show the taper suction end sectional view that the present invention proposes；
Fig. 4 show the miniature jet pore structure sectional view that the present invention proposes；
Fig. 5 show the conical flow ejection end sectional view that the present invention proposes；
Fig. 6 show the rotation dial type generator assembly structural representation that the present invention proposes；
Fig. 7 show piezo-electric generating assembly I structural representation that the present invention proposes；
Fig. 8 show the front installing rack structural representation that the present invention proposes；
Fig. 9 show the rear installing rack structural representation that the present invention proposes；
Figure 10 show piezo-electric generating assembly II structural representation that the present invention proposes；
Figure 11 show the pivot structure schematic diagram that the present invention proposes；
Figure 12 show the piezo-electric generating assembly array schematic diagram that the present invention proposes；
Figure 13 show the energy management circuit schematic diagram that the present invention proposes.
Detailed description of the invention
Detailed description of the invention: combine Fig. 1 ~ Figure 13 and present embodiment is described.Present embodiments provide for a kind of porous incremental
The specific embodiments of type rotary type piezoelectric generator.Described a kind of porous incremental type rotary type piezoelectric generator is by porous array
Formula flow-increasing device 1, rotation dial type generator assembly 2 and holding screw 3 three part composition, wherein porous array type flow-increasing device
1 is fastenedly connected by holding screw 3 with rotating dial type generator assembly 2.
Described porous array type flow-increasing device 1 is provided with air inlet 1-1, annular high voltage holds air cavity 1-2, described air inlet
Hole 1-1 is positioned at annular high voltage and holds on the periphery of air cavity 1-2, and compressed gas enters annular high voltage by air inlet 1-1 and holds gas
Chamber 1-2；Described porous array type flow-increasing device 1 is provided with flow-increasing device threaded connection hole 1-3, holding screw 3 and flow-increasing device
Threaded connection hole 1-3 is threaded；Described porous array type flow-increasing device 1 is provided with taper suction end 1-4, described taper air-breathing
End 1-4 is positioned at the inducing gas suction side of porous array type flow-increasing device 1, and inducing gas is entered porous by taper suction end 1-4
Array flow-increasing device 1；Described porous array type flow-increasing device 1 is provided with miniature jet hole 1-5, described miniature jet hole 1-5
Being positioned at the compressed gas injection end face that annular high voltage holds air cavity 1-2, described miniature jet hole 1-5 is close to the incremental dress of porous array type
Putting the exhaust end wall of 1, compressed gas holds air cavity 1-2 via miniature jet hole 1-5 ejection annular high voltage；Described porous array type
Flow-increasing device 1 is provided with conical flow ejection end 1-6, and mixed gas sprays porous array type via conical flow ejection end 1-6
Flow-increasing device 1.
Described rotation dial type generator assembly 2 is the electric energy generation device of porous incremental type rotary type piezoelectric generator.
Described rotation dial type generator assembly 2 includes fan 2-1, piezo-electric generating assembly I 2-2, front installing rack 2-3, rear installing rack 2-
4, piezo-electric generating assembly II 2-5, rotating shaft 2-6, bearing I 2-7, trip bolt 2-8, bearing II 2-9.Described fan 2-1 and rotating shaft
2-6 is threaded connection, and described piezo-electric generating assembly I 2-2 and front installing rack 2-3 is fastenedly connected, described front installing rack 2-3 and after
Installing rack 2-4 is fastenedly connected by trip bolt 2-8, and described piezo-electric generating assembly II 2-5 and rear installing rack 2-4 is fastenedly connected,
Described rotating shaft 2-6 coordinates with bearing I 2-7, bearing II 2-9, and described bearing I 2-7 is arranged on front installing rack 2-3, described bearing
II 2-9 is arranged on rear installing rack 2-4.Described fan 2-1 is used for stirring piezo-electric generating assembly I 2-2.Described piezo-electric generating assembly
It is viscous that I 2-2 is provided with elastic base plate 2-2-1 and piezoelectric element I 2-2-2, described elastic base plate 2-2-1 and piezoelectric element I 2-2-2
Connecing, this detailed description of the invention Elastic substrate 2-2-1 and piezoelectric element I 2-2-2 uses epoxide-resin glue bonding.Install before described
Frame 2-3 is provided with installation screwed hole 2-3-1, trip bolt 2-8 and threadeds with installing screwed hole 2-3-1；Described front installing rack
2-3 is provided with steam vent 2-3-2, is used for discharging mixed gas；Described front installing rack 2-3 is provided with bearing mounting hole I 2-3-3,
Bearing I 2-7 is fixed on front installing rack 2-3 by bearing mounting hole I 2-3-3；Described front installing rack 2-3 is provided with installation
Counterbore I 2-3-4, piezo-electric generating assembly I 2-2 are fixed on front installing rack 2-3 by installing counterbore I 2-3-4.Described rear installing rack
2-4 is provided with installation through hole 2-4-1, is used for installing trip bolt 2-8；Described rear installing rack 2-4 is provided with installation counterbore II 2-
4-2, piezo-electric generating assembly II 2-5 are fixed on rear installing rack 2-4 by installing counterbore II 2-4-2；Described rear installing rack 2-4 sets
It is equipped with bearing mounting hole II 2-4-3, bearing II 2-9 to be fixed on rear installing rack 2-4 by bearing mounting hole II 2-4-3.
Described piezo-electric generating assembly II 2-5 be provided with reset substrate 2-5-1 and piezoelectric element II 2-5-2, described reset substrate 2-5-1 with
2-5-2 is bonding for piezoelectric element II, and in this detailed description of the invention, reset substrate 2-5-1 and piezoelectric element II 2-5-2 uses asphalt mixtures modified by epoxy resin
Fat is gluing to be connect.Described rotating shaft 2-6 is provided with the location shaft shoulder I 2-6-1, for the axial location of bearing I 2-7；Described rotating shaft 2-6 sets
It is equipped with plectrum 2-6-2, is used for stirring piezo-electric generating assembly II 2-5；Described rotating shaft 2-6 is provided with the location shaft shoulder II 2-6-3, is used for
The axial location of bearing II 2-9.Piezo-electric generating assembly I 2-2 and piezo-electric generating assembly II 2-5 stress deformation realize energy capture,
By energy management circuit, the electric energy produced is carried out rectification and management, can be directly that the low energy-consumption electronic devices such as Internet of things node supply
Energy.
Described porous array type flow-increasing device 1, it is characterised in that the diameter D of air inlet 1-13With taper suction end 1-4
Maximum dimension D1Between ratio be O=D3/D1, the value of O meets in the range of 0.2 ~ 0.6, O in this detailed description of the invention
Value is 0.3；Air inlet 1-1 diameter D3Minimum diameter D with conical flow ejection end 1-62Between ratio be G=D3/D2, G
Value meet in the range of 0.2 ~ 0.4, in this detailed description of the invention, the value of G is 0.2；Air inlet 1-1 center is inhaled with taper
Air line distance L of gas end 1-41With air inlet 1-1 center and conical flow ejection end 1-6 air line distance L2Between ratio be F=
L1/L2, the value of F meets in the range of 0.5 ~ 1, and in this detailed description of the invention, the value of F is 0.6；Porous array type flow-increasing device
The maximum gauge of the taper suction end 1-4 in 1 is D1, it is perpendicular to D1The value that circular cone angle is θ, θ in direction meet in the range of
0 ~ 60 °, in this detailed description of the invention, the value of θ is 30 °；The minimum diameter of conical flow ejection end 1-6 is D2, it is perpendicular to D2Side
To the value that taper angle is α, α meet in the range of 0 ~ 20 °, in this detailed description of the invention, the value of α is 15 °；Miniature penetrate
The diameter d of discharge orifice 1-5 and air inlet 1-1 diameter D3Ratio be J=d/D3, the value of J meets in the range of 0.05 ~ 0.1, this tool
In body embodiment, the value of J is 0.08.
Described piezo-electric generating assembly I 2-2 circumferentially array arranges m, and m is the integer more than or equal to 1, is originally embodied as
In mode, the value of m is 6；Described piezo-electric generating assembly II 2-5 circumferentially n, n is the integer more than or equal to 1, this tool
In body embodiment, the value of n is 6；Described piezo-electric generating assembly II 2-5 axially disposed p layer, p is whole more than or equal to 5
Number, in this detailed description of the invention, the value of p is 5；In described front installing rack 2-3, steam vent 2-3-2 is apart from front installing rack 2-3 end face
The value that distance is S, S meet scope be 10 ~ 25 mm, in this detailed description of the invention, the value of S is 16 mm；Described rotating shaft
2-6 is provided with plectrum 2-6-2, described plectrum 2-6-2 and has height value h, and the span of h is 3 ~ 6 mm, by regulating the value of h
Can regulate the deformation quantity of piezo-electric generating assembly II 2-5, in this detailed description of the invention, the value of h is 4 mm；Described plectrum 2-6-2
The value that ratio is K=b/h, K with width value b, b and h meets in the range of 0.1 ~ 0.45, and the value by regulation K is permissible
Changing the contact area of plectrum 2-6-2 and piezo-electric generating assembly II 2-5, in this detailed description of the invention, the value of K is 0.2.
Described energy management circuit is by diode (D6~D9) and electric capacity C1Composition.When incremental gas sprays from conical flow
After end 1-6 flows out, blow fan 2-1 and rotate, stir piezoelectric element I 2-2-2 and piezoelectric element II 2-5-2, in direct piezoelectric effect
The lower signal of telecommunication that can produce the change of positive and negative alternating cyclical of effect, the signal of telecommunication of generation is wired to full-bridge rectification
The input of circuit.When producing the forward signal of telecommunication, diode D6With diode D9Conducting constitutes closed-loop path, and electric energy can store
In electric capacity C1In；When producing the negative sense signal of telecommunication, diode D7With diode D8Conducting constitutes the electricity behind closed-loop path, and rectification
Signal flows to and diode D6, diode D9Closed-loop path electric signal streams is to identical, and therefore electric energy is still stored in electric capacity C1In.Warp
Electric energy after over commutation storage can be via C1Flow out to outfan low energy-consumption electronic device be powered.Described diode (D6~D9) permissible
It is NI5408 commutation diode, described electric capacity C1Capacitance swing be 100 ~ 1000 μ F.
Operation principle: utilize the direct piezoelectric effect of piezoelectric element the impact energy of gas can be converted into electric energy, this
Bright designed porous incremental type rotary type piezoelectric generator can induce outside air to enter under the effect of small flow high pressure gas
Row directed flow, based on the impact of viscous effect power between gas, can carry out speedup, in gas speedup by the outside air after induction
After flow out from conical flow ejection end and encourage the rotation dial type generator assembly being connected with porous array type flow-increasing device
Carry out electricity transformation of energy.The present invention's it is a technical advantage that porous array type flow-increasing device has multiple miniature jet hole, miniature
Gases at high pressure can be sprayed by jet orifice at a terrific speed, and the local depression in quickly the gas of flowing can cause device, because of outward
Boundary's air pressure is more than device air pressure inside, has substantial amounts of air for balance pressure reduction and is sucked into porous array type flow-increasing device, with this
Reach incremental effect.Rotate dial type generator assembly it is a technical advantage that it is worked by multi-layer piezoelectric electrification component simultaneously
The energy that gas impact is had sufficiently can be captured, use the way of contact of rotary dial, can effectively improve and dial
Dynamic frequency, improves electric power generating efficiency.
Comprehensive above said content, the porous incremental type rotary type piezoelectric generator of present invention design, can be by percussion
The Flow amplification of gas, and utilize the impact of the mixed gas after incremental speedup to act on piezoelectric element, it is achieved turning of electric energy
Change, improve electric energy conversion efficiency.The porous incremental type rotary type piezoelectric generator of present invention design can convert electrical energy into efficiency and carry
High more than 3 times, the intelligent level improving industry manufacture equipment technology is had facilitation.
Claims (6)
1. a porous incremental type rotary type piezoelectric generator, it is characterised in that this porous incremental type rotary type piezoelectric generator by
Porous array type flow-increasing device (1), rotation dial type generator assembly (2) and holding screw (3) composition, wherein porous array type
Flow-increasing device (1) and rotation dial type generator assembly (2) are fastenedly connected by holding screw (3)；Described porous array type
Flow-increasing device (1) is provided with air inlet (1-1), annular high voltage holds air cavity (1-2), flow-increasing device threaded connection hole (1-3), taper
Suction end (1-4), miniature jet hole (1-5) and conical flow ejection end (1-6)；Described rotation dial type generator assembly (2)
Including fan (2-1), piezo-electric generating assembly I (2-2), front installing rack (2-3), rear installing rack (2-4), piezo-electric generating assembly II
(2-5), rotating shaft (2-6), bearing I (2-7), trip bolt (2-8) and bearing II (2-9).
A kind of porous incremental type rotary type piezoelectric generator the most according to claim 1, it is characterised in that described porous
In array flow-increasing device (1), air inlet (1-1) is positioned on the periphery of annular high voltage appearance air cavity (1-2), described incremental dress
Putting threaded connection hole (1-3) to threaded with holding screw (3), it is incremental that described taper suction end (1-4) is positioned at porous array type
The end face of device (1), described miniature jet hole (1-5) is positioned at annular high voltage and holds the compressed gas injection end face of air cavity (1-2), institute
State miniature jet hole (1-5) and be close to the exhaust end wall of porous array type flow-increasing device (1), described conical flow ejection end (1-
6) exhaust end of porous array type flow-increasing device (1) it is positioned at.
A kind of porous incremental type rotary type piezoelectric generator the most according to claim 1, it is characterised in that described rotation is dialled
In dynamic formula generator assembly (2), fan (2-1) is threaded connection with rotating shaft (2-6)；Described piezo-electric generating assembly I (2-2) sets
Being equipped with elastic base plate (2-2-1) and piezoelectric element I (2-2-2), described elastic base plate (2-2-1) glues with piezoelectric element I (2-2-2)
Connecing, described piezo-electric generating assembly I (2-2) and front installing rack (2-3) are fastenedly connected；Described front installing rack (2-3) and rear installing rack
(2-4) being fastenedly connected by trip bolt (2-8), described piezo-electric generating assembly II (2-5) and rear installing rack (2-4) fastening are even
Connecing, described rotating shaft (2-6) coordinates with bearing I (2-7), bearing II (2-9), and described bearing I (2-7) is arranged on front installing rack (2-
3), on, described bearing II (2-9) is arranged on rear installing rack (2-4)；Described front installing rack (2-3) is provided with installation screwed hole
(2-3-1), trip bolt (2-8) is threadeded with installing screwed hole (2-3-1), and described front installing rack (2-3) is provided with aerofluxus
Hole (2-3-2), described front installing rack (2-3) is provided with bearing mounting hole I (2-3-3), and bearing I (2-7) passes through bearing mounting hole I
(2-3-3) being fixed on front installing rack (2-3), described front installing rack (2-3) is provided with installation counterbore I (2-3-4), piezoelectricity
Electrification component I (2-2) is fixed on front installing rack (2-3) by installing counterbore I (2-3-4)；Described rear installing rack (2-4) is arranged
Having installation through hole (2-4-1), trip bolt (2-8) is connected with installing through hole (2-4-1), and described rear installing rack (2-4) sets
Being equipped with installation counterbore II (2-4-2), piezo-electric generating assembly II (2-5) is fixed on rear installing rack by installing counterbore II (2-4-2)
(2-4) on, described rear installing rack (2-4) is provided with bearing mounting hole II (2-4-3), and bearing II (2-9) passes through bearing mounting hole
II (2-4-3) is fixed on rear installing rack (2-4)；Described piezo-electric generating assembly II (2-5) is provided with reset substrate (2-5-
1) and piezoelectric element II (2-5-2), described reset substrate (2-5-1) is bonding with piezoelectric element II (2-5-2)；Described rotating shaft (2-
6) being provided with the location shaft shoulder I (2-6-1), for the axial location of bearing I (2-7), described rotating shaft (2-6) is provided with plectrum (2-
6-2), being used for stirring piezo-electric generating assembly II (2-5), described rotating shaft (2-6) is provided with the location shaft shoulder II (2-6-3), for axle
Hold the axial location of II (2-9).
A kind of porous incremental type rotary type piezoelectric generator the most according to claim 1, it is characterised in that described porous battle array
A diameter of D of air inlet (1-1) in column flow-increasing device (1)3；The maximum gauge of described taper suction end (1-4) is D1, described
The value that cone angle is θ, θ of taper suction end (1-4) meets in the range of 0 ~ 60 °；D3With D1Ratio be O=D3/D1, O takes
Value meets in the range of 0.2 ~ 0.6；The minimum diameter D of described conical flow ejection end (1-6)2, described conical flow ejection end
(1-6) cone angle is that the value of α, α meets in the range of 0 ~ 20 °； D3With D2Ratio be G=D3/D2, the value of G meet model
Enclose is 0.2 ~ 0.4；Described air inlet (1-1) center is L with the air line distance of taper suction end (1-4) end face1, described air inlet
(1-1) center is L with the air line distance of conical flow ejection end (1-6) end face2, L1With L2Ratio be F=L1/L2, the value of F
Meet in the range of 0.5 ~ 1；A diameter of d, d and the D of described miniature jet hole (1-5)3Ratio be J=d/D3, the value of J is full
Foot is in the range of 0.05 ~ 0.1.
A kind of porous incremental type rotary type piezoelectric generator the most according to claim 1, it is characterised in that install before described
In frame (2-3), steam vent (2-3-2) is S apart from the distance of front installing rack (2-3) end face, and rotating shaft (2-6) described in piezo-electric generating sets
Being equipped with plectrum (2-6-2), described plectrum (2-6-2) has height value h, and the span of h is 3 ~ 6 mm, described plectrum (2-6-
2) value that ratio is K=b/h, K with width value b, b and h meets in the range of 0.1 ~ 0.45.
A kind of porous incremental type rotary type piezoelectric generator the most according to claim 1, it is characterised in that described piezoelectricity is sent out
Piezoelectric element I (2-2-2) in electricity assembly I (2-2) and the piezoelectric element II (2-5-2) in piezo-electric generating assembly II (2-5) can
Select piezoelectric ceramic piece PZT or flexible obdurability piezoelectric PVDF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821666.2A CN106230317B (en) | 2016-09-14 | 2016-09-14 | Porous flow increasing type rotary type piezoelectric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821666.2A CN106230317B (en) | 2016-09-14 | 2016-09-14 | Porous flow increasing type rotary type piezoelectric generator |
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| CN106602929A (en) * | 2016-12-22 | 2017-04-26 | 苏州市职业大学 | Disc-type piezoelectric power generation device |
| CN107592032A (en) * | 2017-10-31 | 2018-01-16 | 长春工业大学 | A kind of piston type magnetic force raising frequency piezoelectric harvester for pressure piping |
| CN107634677A (en) * | 2017-10-31 | 2018-01-26 | 长春工业大学 | Magnetic force dial type piezoelectricity electromagnetism composite generator based on wheel rotary motion |
| CN107681922A (en) * | 2017-10-31 | 2018-02-09 | 长春工业大学 | A kind of rotary type piezoelectric harvester based on magnetic excitation |
| CN109495015A (en) * | 2018-11-19 | 2019-03-19 | 东北林业大学 | A kind of universal high-efficiency wind power generation plant based on piezoelectric nano generator |
| CN109768736A (en) * | 2019-03-11 | 2019-05-17 | 河海大学常州校区 | A kind of pipeline liquid flow passive detection device and method |
| CN116683790B (en) * | 2023-04-10 | 2024-04-16 | 浙江大学 | Broadband energy collecting and sensing integrated device for rod cable structure |
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| CN106602929A (en) * | 2016-12-22 | 2017-04-26 | 苏州市职业大学 | Disc-type piezoelectric power generation device |
| CN107592032A (en) * | 2017-10-31 | 2018-01-16 | 长春工业大学 | A kind of piston type magnetic force raising frequency piezoelectric harvester for pressure piping |
| CN107634677A (en) * | 2017-10-31 | 2018-01-26 | 长春工业大学 | Magnetic force dial type piezoelectricity electromagnetism composite generator based on wheel rotary motion |
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| CN109495015A (en) * | 2018-11-19 | 2019-03-19 | 东北林业大学 | A kind of universal high-efficiency wind power generation plant based on piezoelectric nano generator |
| CN109768736A (en) * | 2019-03-11 | 2019-05-17 | 河海大学常州校区 | A kind of pipeline liquid flow passive detection device and method |
| CN116683790B (en) * | 2023-04-10 | 2024-04-16 | 浙江大学 | Broadband energy collecting and sensing integrated device for rod cable structure |
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