CN106329991B - Ladder type micro-hole flow increasing rhombus piezoelectric harvester for Internet of things node energy supply - Google Patents
Ladder type micro-hole flow increasing rhombus piezoelectric harvester for Internet of things node energy supply Download PDFInfo
- Publication number
- CN106329991B CN106329991B CN201610821490.0A CN201610821490A CN106329991B CN 106329991 B CN106329991 B CN 106329991B CN 201610821490 A CN201610821490 A CN 201610821490A CN 106329991 B CN106329991 B CN 106329991B
- Authority
- CN
- China
- Prior art keywords
- flow
- rhombus
- hole
- increasing
- piezoelectric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001965 increasing effect Effects 0.000 title claims abstract description 33
- 239000000758 substrate Substances 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 235000003283 Pachira macrocarpa Nutrition 0.000 claims description 3
- 241001083492 Trapa Species 0.000 claims description 3
- 235000014364 Trapa natans Nutrition 0.000 claims description 3
- 235000009165 saligot Nutrition 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 36
- 230000000694 effects Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a kind of ladder type micro-hole flow increasing rhombus piezoelectric harvester for Internet of things node energy supply, the technical problems such as prisoner's energy power is small, efficiency is low when gases at high pressure directly impact piezoelectric harvester capture electric energy with the existing piezoelectric harvester of solution be present.The present invention is made up of staged micropore flow-increasing device, flexible rhombus piezoelectric harvester and holding screw three parts.The flow of staged micropore flow-increasing device increase small flow high pressure gas, flexible rhombus piezoelectric harvester realize energy capture.The present invention can amplify gas flow, and carry out piezoelectric energy collection to the gas of amplified flow, significantly improve the power of piezoelectric harvester, more than 3 times of lifting prisoner's energy efficiency.It can be energized for low power dissipation electron equipment with continuous and effective by full bridge rectifier, be with a wide range of applications in Internet of things node, low power dissipation electron equipment and low-power consumption sensor energy supply technical field.
Description
Technical field
The present invention relates to a kind of ladder type micro-hole flow increasing rhombus piezoelectric harvester for Internet of things node energy supply, belong to low
Power consumption electronic equipment energizes technical field.
Background technology
As the intelligent level of manufacturing equipment technology improves constantly and its depth integration with technology of Internet of things, largely
Internet of things node is used widely in machine-building equipment field.At present, stabilization is carried out to Internet of things node, is reliably continued
Power supply, it is the premise for ensureing node normal work.The Internet of things node energy-provision way of Current mechanical manufacturing field mainly has power supply
Directly power supply and chemical cell power supply two ways.Wherein, power supply direct feeding system causes that electromagnetic interference is serious, system wiring
The problems such as complicated, and chemical cell power supply mode is then present that battery is limited, need to regularly replace and environmental pollution etc.
Deficiency.Therefore, a kind of novel energy supply technology for Internet of things node energy supply need to be studied to solve traditional energy supply technology institute
The many drawbacks brought.
The micro- energy conversion of direct piezoelectric effect capture environment using piezoelectric is the environmental energy collection technique of electric energy, by
In with energy conversion efficiency height, cleanliness without any pollution, the advantage such as do not grown by electromagnetic interference and service life, turn into micro- energy and turn
Change the study hotspot with supply technology.Gas kinetic energy is a large amount of existing form of energy in industrial production, and it is likewise supplied with safety
Clean the advantage such as renewable.Therefore, the gas energy in industrial production environment is rationally utilized, is imitated with reference to the positive piezoelectricity of piezoelectric
Gas energy should be converted into electric energy to energize for wireless internet of things node, the wiring that conventional power source power supply is brought can be effectively solved and answer
What miscellaneous and battery powered was brought needs to regularly replace, pollutes the problems such as environment, the intelligent water to improving industrial manufacturing equipment technology
It is flat that there is facilitation.The energy accumulator of traditional piezo-electric generating generally utilizes the gases at high pressure in industrial environment directly to impact piezoelectricity
Energy accumulator captures electric energy so that traditional gas impact type piezoelectric harvester exist prisoner can the problem of power is small, efficiency is low, limitation
Development and application of the piezoelectric harvester in low power dissipation electron equipment energy supply technical field.
The content of the invention
For solve existing gases at high pressure directly impact piezoelectric element capture electric energy piezoelectric harvester exist prisoner can power it is small,
The technical problems such as efficiency is low, the present invention disclose a kind of ladder type micro-hole flow increasing rhombus piezoelectric energy-capturing energized for Internet of things node
Device, provides that a kind of power is big, power supply device of efficiency high for low energy-consumption electronic device.
The technical solution adopted in the present invention is：
A kind of ladder type micro-hole flow increasing rhombus piezoelectric harvester for Internet of things node energy supply is by ladder type micro-hole
Gap flow-increasing device, flexible rhombus piezoelectric harvester and holding screw three parts composition, wherein staged micropore flow-increasing device band
There is flow increasing end threaded connection hole, spiral shell is carried out by holding screw with the generating end threaded connection hole on flexible rhombus piezoelectric harvester
Line connects；Staged micropore flow-increasing device is provided with circular cone type suction end, taper outlet side, the threaded connection of flow increasing end
Hole, air vent, one-level miniature jet hole, two level miniature jet hole and baffle ring；Described flexible rhombus piezoelectric harvester include by
Press circular baffle plate, generating end connection pedestal and rhombus piezo-electric generating component, rhombus piezo-electric generating component one end and the circular gear that is pressurized
Plate connects, and the other end is connected pedestal connection with generating end.
Circular cone type suction end is located at the air-breathing of staged micropore flow-increasing device in the flow-increasing device of the staged micropore
End, taper outlet side are located at the outlet side of staged micropore flow-increasing device, and flow increasing end threaded connection hole goes out close to taper
Gas end, flow increasing end threaded connection hole are threadedly coupled with holding screw, the one-level miniature jet hole and two level miniature jet
Hole position is provided with gear between the middle part of staged micropore flow-increasing device, one-level miniature jet hole and two level miniature jet hole
Ring, the air vent is close to two level miniature jet hole.
The compression circular baffle plate is provided with live end connecting hole and spacing cylinder, and rhombus piezo-electric generating component one end passes through
Live end connecting hole is fixed；Generating end connection pedestal be provided with generating end threaded connection hole, generator steam vent, by
Press bond hole and spacing annulus, generating end threaded connection hole are connected with staged micropore flow-increasing device by holding screw
Connect, rhombus piezo-electric generating component is fixed by being carried out the other end by pressure side connecting hole, and spacing annulus coordinates with spacing cylindrical gap.
The rhombus piezo-electric generating component includes generating substrate, piezo-electric generating element, described live end connecting hole and hair
Electric substrate is connected by adhesive means, is connected by pressure side connecting hole with generating substrate by adhesive means.
The beneficial effects of the invention are as follows：In the case where not influenceing industrial working condition, invented ladder is utilized to decline
Hole flow increasing rhombus piezoelectric harvester carries out Flow amplification to small flow high pressure gas, and the flow amplified is sprayed by taper outlet side
Go out, encourage flexible rhombus piezoelectric harvester, internal piezo-electric generating component is produced Bending Deformation and entered with reaching using amplifying air-flow
The changing effect of row collection of energy and electric energy.The present invention has the effect that gas flow amplification is carried out using high-pressure low-flow gas
Fruit, it is remarkably improved the power of piezoelectric generating device, more than 3 times of lifting prisoner's energy efficiency.Technology is energized in low power dissipation electron equipment
Field is with a wide range of applications.
Brief description of the drawings
Fig. 1 show a kind of ladder type micro-hole flow increasing rhombus piezoelectricity prisoner for Internet of things node energy supply proposed by the present invention
The structural representation of energy device；
Fig. 2 show the sectional view of staged micropore proposed by the present invention flow-increasing device；
Fig. 3 show the circular cone type suction end sectional view of staged micropore proposed by the present invention flow-increasing device；
Fig. 4 show the taper outlet side sectional view of staged micropore proposed by the present invention flow-increasing device；
Fig. 5 show flexible rhombus piezoelectric harvester structural representation proposed by the present invention；
Fig. 6 show compression circular baffle plate sectional view proposed by the present invention；
Fig. 7 show connection pedestal sectional view in generating end proposed by the present invention；
Fig. 8 show rhombus piezo-electric generating component structure diagram proposed by the present invention；
Fig. 9 show full bridge rectifier schematic diagram proposed by the present invention.
Embodiment
Illustrate present embodiment with reference to Fig. 1 ~ Fig. 9.Present embodiments provide for a kind of rank for Internet of things node energy supply
The specific embodiment of ladder type micropore flow increasing rhombus piezoelectric harvester.A kind of ladder for Internet of things node energy supply declines
Hole flow increasing rhombus piezoelectric harvester is by staged micropore flow-increasing device 1, flexible rhombus piezoelectric harvester 2 and holding screw 3
It is grouped into, wherein staged micropore flow-increasing device 1 is provided with flow increasing end threaded connection hole 1-3, the flow increasing end threaded connection
Hole 1-3 is threadedly coupled with the generating end threaded connection hole 2-2-1 on flexible rhombus piezoelectric harvester 2 by holding screw 3.
Staged micropore flow-increasing device 1 includes circular cone type suction end 1-1, taper outlet side 1-2, flow increasing end spiral shell
Line connecting hole 1-3, air vent 1-4, one-level miniature jet hole 1-5, two level miniature jet hole 1-6 and baffle ring 1-7；
The circular cone type suction end 1-1 is located at the suction end of staged micropore flow-increasing device 1, taper outlet side 1-2 positions
In the outlet side of staged micropore flow-increasing device 1, the flow increasing end threaded connection hole 1-3 is described close to taper outlet side 1-2
Flow increasing end threaded connection hole 1-3 is threadedly coupled with holding screw 3, one-level miniature jet hole 1-5 and two level the miniature jet hole
1-6 is located at the middle part of staged micropore flow-increasing device 1, is set between one-level miniature jet hole 1-5 and two level miniature jet hole 1-6
It is equipped with baffle ring 1-7, baffle ring 1-7 can obstruct one-level miniature jet hole 1-5 and two level miniature jet hole 1-6, and the air vent 1-4 is leaned on
Nearly two level miniature jet hole 1-6, gases at high pressure enter one-level miniature jet hole 1-5 and two level simultaneously via the air vent 1-4
The mixed gas of miniature jet hole 1-6, inducing gas and gases at high pressure composition carries out once empty via one-level miniature jet hole 1-5
Gas can amplify, and carry out secondary acceleration via two level miniature jet hole 1-6, the mixed gas after secondary acceleration passes through taper outlet side
1-2 sprays staged micropore flow-increasing device 1.
The flexible rhombus piezoelectric harvester 2 includes compression circular baffle plate 2-1, generating end connection pedestal 2-2 and rhombus pressure
Electric electrification component 2-3；Described compression circular baffle plate 2-1 is provided with live end connecting hole 2-1-1 and spacing cylinder 2-1-2, water chestnut
Shape piezo-electric generating component 2-3 one end is fixed by live end connecting hole 2-1-1；Described generating end connection pedestal 2-2 is set
It is equipped with generating end threaded connection hole 2-2-1, generator steam vent 2-2-2, by pressure side connecting hole 2-2-3 and spacing annulus 2-2-4,
Generating end threaded connection hole 2-2-1 is attached with staged micropore flow-increasing device 1 by holding screw 3, rhombus piezoelectricity hair
Electrical component 2-3 is fixed by being carried out the other end by pressure side connecting hole 2-2-3, spacing annulus 2-2-4 and spacing cylinder 2-1-2 gaps
Coordinate；Described rhombus piezo-electric generating component 2-3 includes generating substrate 2-3-1, piezo-electric generating element 2-3-2；Live end connects
Hole 2-1-1 is connected with generating substrate 2-3-1 by adhesive means, is passed through glue by pressure side connecting hole 2-2-3 and generating substrate 2-3-1
Viscous mode is connected, and the epoxy resin product of ergo companies of Switzerland can be selected in the glue, and described piezo-electric generating element 2-3-2 is utilized
Direct piezoelectric effect, realize that gas pressure can arrive the conversion of electric energy, can be Internet of Things with continuous and effective by full bridge rectifier
Node energizes.
The maximum gauge of the circular cone type suction end 1-1 is D1, D1Value meet scope be 60 ~ 80 mm, pass through tune
Save D1Value can adjust the intake velocity of inducing gas, D in present embodiment1Value be 60 mm, the circular cone type
Suction end 1-1 cone angle is θ, and the scope that θ value meets is 0 ~ 60 °, and entering for inducing gas can be adjusted by the value for adjusting θ
Gas velocity degree, θ value is 20 ° in present embodiment；The minimum diameter of the taper outlet side 1-2 is D2, D2With D1Ratio
It is worth for G=D2/D1, the scope that G value meets is 0.4 ~ 0.8, and G value is 0.8 in present embodiment；The taper goes out
Gas end 1-2 cone angle is α, and the scope that α value meets is 0 ~ 20 °, and the value by adjusting α can adjust the stream of mixed gas
Speed, α value is 15 ° in present embodiment；The described a diameter of D of air vent 1-43, D3With D1Ratio be F=D3/D1, F
The scope that meets of value be 0.02 ~ 0.1, F value is 0.1 in present embodiment；The air vent 1-4 centers and circle
Bevel-type suction end 1-1 air line distance is L1, L1The scope that meets of value be 10 ~ 25 mm, L in present embodiment1's
Value is 15 mm；The air vent 1-4 centers and taper outlet side 1-2 air line distances are L2, L1With L2Ratio be J=L1/L2,
The scope that J value meets is 0.2 ~ 0.5, and J value is 0.3 in present embodiment；The one-level miniature jet hole 1-5
Aperture be D4, D4Value meet scope be 40 ~ 60 mm.Between the one-level miniature jet hole and two level miniature jet hole
Distance be L3, D4With L3Ratio be Z=D4/L3, the scope that Z value meets is 2 ~ 5；The two level miniature jet hole aperture
For D5, D5With L3Ratio be X=D5/L3, the scope that X value meets is 2 ~ 5.
The spacing cylinder 2-1-2 in compression circular baffle plate 2-1 in the flexible rhombus piezoelectric harvester 2 gos deep into spacing circle
Inside ring 2-2-4, extreme position restriction is carried out by spacing annulus 2-2-4 length L, wherein spacing annulus 2-2-4 length L
Ratio L/M between spacing cylinder 2-1-2 length M is between 0.3 ~ 0.8；
The rhombus piezo-electric generating component 2-3 can direction arrangement M, M be circumferentially positive integer, in present embodiment
M value is 2, and the piezo-electric generating element 2-3-2 is arranged in that generating substrate 2-3-1 upper and lower surfaces are each N number of, and N is positive integer, this
N value is 2 in embodiment；Rhombus piezo-electric generating component 2-3 generating substrate 2-3-1 has four edges, wherein often
The length on bar side is all c；Piezo-electric generating element 2-3-2 is adhered to generating substrate 2-3-1 surface, rhombus piezo-electric generating component 2-
3 long axis length is a, and minor axis length b, wherein b/a is between 0.3 ~ 1.7.
The flexible rhombus piezoelectric harvester 2, it is characterised in that the piezo-electric generating element in rhombus piezo-electric generating component 2-3
2-3-2 selects piezoelectric ceramic piece PZT or flexible obdurability piezoelectrics PVDF.
Described full bridge rectifier is by diode D6, diode D7, diode D8, diode D9With electric capacity C1Composition.When
Flow increasing gas encourages flexible rhombus piezoelectric harvester 2, the meeting in the presence of direct piezoelectric effect after taper outlet side 1-2 outflows
The electric signal of positive and negative alternating cyclical change is produced, caused electric signal is wired to the input of full bridge rectifier
End.When producing positive electric signal, diode D6With diode D9Conducting forms closed-loop path, and electric energy can be stored in electric capacity C1In；
When producing negative sense electric signal, diode D7With diode D8Conducting forms closed-loop path, and the electric signal streams after rectification are to two
Pole pipe D6, diode D9Closed-loop path electric signal streams are to identical, therefore electric energy is still stored in electric capacity C1In.After over commutation stores
Electric energy can be via C1Output end Internet of things node is flowed out to be powered.The diode（D6~D9）Can be NI5408 rectifications
Diode, the electric capacity C1Capacitance swing be 100 ~ 1000 μ F.
Operation principle：The impact energy of gas can be converted into electric energy, institute of the present invention by the direct piezoelectric effect of piezoelectric
A kind of ladder type micro-hole flow increasing rhombus piezoelectric harvester for Internet of things node energy supply of design can be in small flow high pressure gas
In the presence of induction outside air be oriented flowing, can be by after induction based on the influence of viscous effect power between caliber and gas
Outside air carry out speedup, flow out and encourage and staged micropore flow-increasing device phase from taper outlet side after gas speedup
The flexible rhombus piezoelectric harvester of connection carries out electric transformation of energy.Staged micropore flow-increasing device secondary can accelerate high pressure
Gas sprays at a terrific speed, and then effectively improves the effect of flow increasing.The technical advantage of flexible rhombus piezoelectric harvester exists
There is unstability in rhombic quadrangles, easily deformed upon under the effect of extraneous perturbed force, its four sides are connected two-by-two has power
Conduction and force resolution act on, can effectively protect piezoelectric element will not because deformation is excessive and caused by damage.Therefore, flexible rhombus
Piezoelectric harvester can make full use of staged micropore flow-increasing device increased gas flow carry out gas energy to electric energy
Conversion.
In summary the content, a kind of ladder type micro-hole flow increasing water chestnut for Internet of things node energy supply that the present invention designs
Shape piezoelectric harvester, gas flow can be amplified, and piezoelectric energy collection is carried out to the gas of amplified flow, be remarkably improved pressure
The power of energy accumulator, more than 3 times of lifting prisoner's energy efficiency.It can be supplied by full bridge rectifier with continuous and effective for Internet of things node
Can, there is facilitation to the intelligent level for improving industrial manufacturing equipment technology.
Claims (4)
1. a kind of ladder type micro-hole flow increasing rhombus piezoelectric harvester for Internet of things node energy supply, Internet of things node energy supply
Ladder type micro-hole flow increasing rhombus piezoelectric harvester is by staged micropore flow-increasing device（1）, flexible rhombus piezoelectric harvester（2）With
Holding screw（3）Three parts form, wherein staged micropore flow-increasing device（1）With flow increasing end threaded connection hole（1-3）, with
Flexible rhombus piezoelectric harvester（2）On generating end threaded connection hole（2-2-1）Pass through holding screw（3）It is threadedly coupled；
Staged micropore flow-increasing device（1）It is provided with circular cone type suction end（1-1）, taper outlet side（1-2）, flow increasing end screw thread
Connecting hole（1-3）, air vent（1-4）, one-level miniature jet hole（1-5）, two level miniature jet hole（1-6）And baffle ring（1-7）；Institute
The flexible rhombus piezoelectric harvester stated（2）Including compression circular baffle plate（2-1）, generating end connection pedestal（2-2）With rhombus piezoelectricity
Electrification component（2-3）, rhombus piezo-electric generating component（2-3）One end and compression circular baffle plate（2-1）Connection, the other end and generating end
Connect pedestal（2-2）Connection；It is characterized in that：Staged micropore flow-increasing device（1）Middle circular cone type suction end（1-1）Position
In staged micropore flow-increasing device（1）Suction end, taper outlet side（1-2）Positioned at staged micropore flow-increasing device（1）
Outlet side, flow increasing end threaded connection hole（1-3）Close to taper outlet side（1-2）, flow increasing end threaded connection hole（1-
3）With holding screw（3）Threaded connection, the one-level miniature jet hole（1-5）With two level miniature jet hole（1-6）Positioned at ladder
Decline hole flow-increasing device（1）Middle part, one-level miniature jet hole（1-5）With two level miniature jet hole（1-6）Between be provided with
Baffle ring（1-7）, the air vent（1-4）Close to two level miniature jet hole（1-6）；The compression circular baffle plate（2-1）It is provided with
Live end connecting hole（2-1-1）With spacing cylinder（2-1-2）, rhombus piezo-electric generating component（2-3）One end is connected by live end
Hole（2-1-1）It is fixed；The generating end connects pedestal（2-2）It is provided with generating end threaded connection hole（2-2-1）, generator
Steam vent（2-2-2）, by pressure side connecting hole（2-2-3）With spacing annulus（2-2-4）, generating end threaded connection hole（2-2-1）With
Staged micropore flow-increasing device（1）Pass through holding screw（3）It is attached, rhombus piezo-electric generating component（2-3）Pass through compression
Hold connecting hole（2-2-3）Carry out the other end to fix, spacing annulus（2-2-4）With spacing cylinder（2-1-2）Gap coordinates；The water chestnut
Shape piezo-electric generating component（2-3）Including generating substrate（2-3-1）, piezo-electric generating element（2-3-2）；Described live end connecting hole
（2-1-1）With generating substrate（2-3-1）Connected by adhesive means, by pressure side connecting hole（2-2-3）With generating substrate（2-3-1）
Connected by adhesive means.
A kind of 2. ladder type micro-hole flow increasing rhombus piezoelectric energy-capturing for Internet of things node energy supply according to claim 1
Device, it is characterised in that staged micropore flow-increasing device（1）In circular cone type suction end（1-1）Maximum gauge be D1, D1
The scope that meets of value be 60 ~ 80 mm, the circular cone type suction end（1-1）Cone angle be θ, the scope that θ value meets is
0~60°；The taper outlet side（1-2）Cone angle be α, the scope that α value meets is 0 ~ 20 °；Described air vent（1-4）
A diameter of D3, D3With D1Ratio be F=D3/D1, the scope that F value meets is 0.02 ~ 0.1；The air vent（1-4）Center
With circular cone type suction end（1-1）Air line distance be L1, L1Value meet scope be 10 ~ 25 mm；The air vent（1-4）
Center and taper outlet side（1-2）Air line distance is L2, L1With L2Ratio be J=L1/L2, scope that J value meets for 0.2 ~
0.5；The one-level miniature jet hole（1-5）Aperture be D4, D4Value meet scope be 40 ~ 60 mm.
A kind of 3. ladder type micro-hole flow increasing rhombus piezoelectric energy-capturing for Internet of things node energy supply according to claim 1
Device, it is characterised in that the compression circular baffle plate（2-1）In spacing cylinder（2-1-2）Go deep into spacing annulus（2-2-4）Inside,
Pass through spacing annulus（2-2-4）Length L carry out extreme position restriction, wherein spacing annulus（2-2-4）Length L and spacing circle
Post（2-1-2）Length M between ratio L/M between 0.3 ~ 0.8；Rhombus piezo-electric generating component（2-3）Generating substrate
（2-3-1）With four edges, the wherein length of each edge is all c；Piezo-electric generating element（2-3-2）It is adhered to generating substrate（2-
3-1）Surface, rhombus piezo-electric generating component（2-3）Long axis length be a, minor axis length b, wherein b/a is between 0.3 ~ 1.7
Between.
A kind of 4. ladder type micro-hole flow increasing rhombus piezoelectric energy-capturing for Internet of things node energy supply according to claim 1
Device, it is characterised in that piezo-electric generating element（2-3-2）From piezoelectric ceramic piece PZT or flexible obdurability piezoelectrics PVDF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821490.0A CN106329991B (en) | 2016-09-14 | 2016-09-14 | Ladder type micro-hole flow increasing rhombus piezoelectric harvester for Internet of things node energy supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821490.0A CN106329991B (en) | 2016-09-14 | 2016-09-14 | Ladder type micro-hole flow increasing rhombus piezoelectric harvester for Internet of things node energy supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106329991A CN106329991A (en) | 2017-01-11 |
| CN106329991B true CN106329991B (en) | 2018-03-09 |
Family
ID=57787800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610821490.0A Expired - Fee Related CN106329991B (en) | 2016-09-14 | 2016-09-14 | Ladder type micro-hole flow increasing rhombus piezoelectric harvester for Internet of things node energy supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106329991B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488033A (en) * | 2008-12-12 | 2009-07-22 | 南京航空航天大学 | Structural vibration and noise control device based on energy recovery |
| KR100994706B1 (en) * | 2010-06-28 | 2010-11-25 | 주식회사 승화이엔씨 | Vibration energy harvester using wind |
| CN104660099A (en) * | 2015-01-30 | 2015-05-27 | 合肥工业大学 | Tuning fork type piezoelectric resonant cavity wind power generation device |
| CN205190434U (en) * | 2015-11-30 | 2016-04-27 | 长春工业大学 | External electricity generation cylinder of cymbals type piezoelectric element |
| CN205490237U (en) * | 2016-01-14 | 2016-08-17 | 长春工业大学 | Pneumatic piezoelectricity energy accumulator of two excitations of cymbals type structure |
-
2016
- 2016-09-14 CN CN201610821490.0A patent/CN106329991B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488033A (en) * | 2008-12-12 | 2009-07-22 | 南京航空航天大学 | Structural vibration and noise control device based on energy recovery |
| KR100994706B1 (en) * | 2010-06-28 | 2010-11-25 | 주식회사 승화이엔씨 | Vibration energy harvester using wind |
| CN104660099A (en) * | 2015-01-30 | 2015-05-27 | 合肥工业大学 | Tuning fork type piezoelectric resonant cavity wind power generation device |
| CN205190434U (en) * | 2015-11-30 | 2016-04-27 | 长春工业大学 | External electricity generation cylinder of cymbals type piezoelectric element |
| CN205490237U (en) * | 2016-01-14 | 2016-08-17 | 长春工业大学 | Pneumatic piezoelectricity energy accumulator of two excitations of cymbals type structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106329991A (en) | 2017-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106230317B (en) | Porous flow increasing type rotary type piezoelectric generator | |
| CN106329990B (en) | A kind of vortex street using double-deck flow increasing excitation shakes piezoelectric harvester | |
| CN206402081U (en) | A kind of porous flow increasing rotates grid type piezoelectricity electromagnetism composite generator | |
| CN107769613B (en) | A kind of rotary magnetic force multi-modal based on monostable-stirs piezoelectric harvester | |
| CN106329994B (en) | Annular micropore flow increasing formula rhombus piezoelectric energy trapping device | |
| CN106230315B (en) | Plectrum dial type piezoelectric generator for Internet of things node energy supply | |
| CN106329992B (en) | The dial type piezoelectric generating device of dijection head piece jet excitation | |
| CN106329991B (en) | Ladder type micro-hole flow increasing rhombus piezoelectric harvester for Internet of things node energy supply | |
| CN106230316B (en) | Porous flow increasing type torsional mode generator for Internet of things node energy supply | |
| CN106301075B (en) | Pneumatic system low energy-consumption electronic device energizes porous flow increasing excitation type piezoelectric harvester | |
| CN106301073B (en) | A kind of double acting diaphragm type piezoelectric generator using annular space jet excitation | |
| CN106351788B (en) | A kind of windmill torsional mode energy capture device using annular space jet excitation | |
| CN106357155B (en) | Towards the porous grid stimulable type piezoelectric generator of staged of low energy-consumption electronic device energy supply | |
| CN106357157B (en) | A kind of multiple jet resonant mode piezoelectric harvester | |
| CN106230313A (en) | The torsional mode piezoelectric generating device of the dijection head piece jet excitation of Internet of things node energy supply | |
| CN106357158B (en) | The micro-loop discharge orifice jet excitation piezoelectric generating device of internet of things oriented node energy supply | |
| CN107565851A (en) | A kind of piezoelectric energy trapping device for the energy supply of pneumatic system sensor | |
| CN112886864A (en) | C-type turbulence adjustable series-connection fluid energy piezoelectric energy harvester | |
| CN106329993B (en) | Towards the pressurize speedup Exciting-simulator system energy capture device of low-power consumption sensor energy supply | |
| CN106357156B (en) | The secondary gas flow impact type power generation machine of dijection head piece jet excitation | |
| CN106301074B (en) | A kind of flabellum rotary type piezoelectric generator of annular space jet excitation | |
| CN106329995B (en) | Dial type piezoelectric harvester for the annular space jet excitation of Internet of things node energy supply | |
| CN110011567A (en) | Energy collecting device based on coupling of gas-sound-solid multi-physical field | |
| CN112332699B (en) | Pipeline pressure pulsation energy acquisition device with supercharging device | |
| CN106230318B (en) | Vortex-excited oscillation formula piezoelectric harvester for low-power consumption sensor energy supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |