CN106230316A - Porous incremental type torsional mode electromotor for Internet of things node energy supply - Google Patents
Porous incremental type torsional mode electromotor for Internet of things node energy supply Download PDFInfo
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- CN106230316A CN106230316A CN201610821651.6A CN201610821651A CN106230316A CN 106230316 A CN106230316 A CN 106230316A CN 201610821651 A CN201610821651 A CN 201610821651A CN 106230316 A CN106230316 A CN 106230316A
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- 239000000919 ceramic Substances 0.000 claims description 3
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- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 31
- 230000000694 effects Effects 0.000 description 12
- 230000005611 electricity Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 230000003321 amplification Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
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- 230000001939 inductive effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
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- 229920000647 polyepoxide Polymers 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
Abstract
The invention discloses a kind of porous for Internet of things node energy supply incremental type torsional mode electromotor, convert the problems such as the piezoelectric generator of gas energy exists in industrial environment energy conversion efficiency is low to solve to be currently used in.The present invention is made up of porous array type flow-increasing device, dish-type generator assembly and holding screw three part.Porous array type flow-increasing device and dish-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 for Internet of things node energy supply incremental type torsional mode electromotor, belong to low-power consumption electricity
Subset 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 is wireless Internet of things node energy supply for capturing the gas energy in industrial environment
There is the problem that energy capture efficiency is low and output is limited in electromotor, limits it in wireless Internet of things node energy supply field
Application.
Summary of the invention
The problem low for solving conventional piezoelectric generator energy transformation efficiency, the open one of the present invention is for Internet of things node
The porous incremental type torsional mode electromotor of energy supply, for the low power dissipation electron device such as Internet of things node provide a kind of sustainable work,
The power supply device that energy conversion efficiency is high.
The technical solution adopted in the present invention is:
Described a kind of porous for Internet of things node energy supply incremental type torsional mode electromotor, by porous array type flow-increasing device,
Dish-type generator assembly and holding screw three part composition, wherein porous array type flow-increasing device and dish-type generator assembly pass through
Holding screw is fastenedly connected.Described porous array type flow-increasing device is provided with air inlet, annular high voltage holds air cavity, flow-increasing device
Threaded connection hole, taper suction end, miniature jet hole and conical flow ejection end.Described dish-type generator assembly is by electrification component
Installing rack, fan, piezo-electric generating assembly and steady pin composition.
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 electrification component installing rack is provided with electromotor inlet end, and electromotor inlet end is positioned at electromotor inlet end end
Portion, described electrification component installing rack is provided with installing rack screwed hole, and holding screw is threadeded with installing rack screwed hole, described
Electricity component mounting block is provided with piezo-electric generating assembly installing hole, and piezo-electric generating assembly passes through piezo-electric generating assembly installing hole and generating
Component mounting block is fastenedly connected, and described electrification component installing rack is provided with steam vent, and steam vent circumferentially array is arranged；Described wind
Fan is provided with fan external screw thread, and fan is threadeded with piezo-electric generating assembly by fan external screw thread, and described fan is provided with solid
Rationed marketing installing hole a, steady pin is connected with steady pin installing hole a；Described piezo-electric generating assembly is provided with elastic base plate, piezoelectricity
Element, piezoelectric element and elastic base plate are bonding, and described piezo-electric generating assembly is provided with steady pin installing hole b, and steady pin is with fixing
Pin installing hole b is connected, and described piezo-electric generating assembly is provided with piezo-electric generating assembly female thread, and fan external screw thread is sent out with piezoelectricity
Electricity assembly female thread is threaded；Described elastic base plate is provided with straight beam a, L-type beam and straight beam b, and described elastic base plate is provided with
Fixing projection, fixing projection is fastenedly connected with piezo-electric generating assembly installing hole, and described elastic base plate is provided with curved hinge I, arc
Shape hinge II and curved hinge III.
The invention has the beneficial effects as follows: in the case of not affecting commercial production, utilize the porous array type invented to increase
Stream device carries out Flow amplification to small flow high pressure gas, and the gas after amplified flow is sprayed by conical flow ejection end, swashs
Encourage exit dish-type generator assembly, make internal piezo-electric generating assembly produce Bending Deformation, utilize direct piezoelectric effect to realize electric energy
Convert, to reach the effect utilizing amplification air-flow to carry out collection of energy conversion, improve the energy conversion efficiency of piezoelectric generator.This
Invention has an effect utilizing high-pressure low-flow gas to carry out gas flow amplification, and has concurrently and make full use of the flow of amplification and carry out
The technical advantage that piezoelectric energy is collected, electric power generating efficiency improves more than 3 times, supplies at low power dissipation electron devices such as Internet of things nodes
Can technical field be with a wide range of applications.
Accompanying drawing explanation
Fig. 1 show the structure of the incremental type torsional mode electromotor of the porous for Internet of things node energy supply that the present invention proposes
Schematic diagram；
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 dish-type generator assembly structural representation that the present invention proposes；
Fig. 7 show the electrification component installing rack structural representation that the present invention proposes；
Fig. 8 show the fan structure schematic diagram that the present invention proposes；
Fig. 9 show the piezo-electric generating modular construction schematic diagram that the present invention proposes；
Figure 10 show the piezo-electric generating component left view that the present invention proposes；
Figure 11 show the elastic base plate structural representation that the present invention proposes；
Figure 12 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 12 and present embodiment is described.Present embodiments provide for a kind of for Internet of Things
The specific embodiments of the porous incremental type torsional mode electromotor of net node energy supply.Described a kind of for Internet of things node energy supply
Porous incremental type torsional mode electromotor is by porous array type flow-increasing device 1, dish-type generator assembly 2 and holding screw 3 three part
Composition, wherein porous array type flow-increasing device 1 and dish-type generator assembly 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, 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 dish-type generator assembly is the electric energy of the porous incremental type torsional mode electromotor for Internet of things node energy supply
Generator.Described dish-type generator assembly 2 is by electrification component installing rack 2-1, fan 2-2, piezo-electric generating assembly 2-3 and fixes
Pin 2-4 composition.Described electrification component installing rack 2-1 is provided with electromotor inlet end 2-1-1, and mixed gas is via electromotor air inlet
End 2-1-1 enters dish-type generator assembly 2 and acts on fan 2-2, and fan 2-2 occurs rotational band under the effect of mixed gas
Dynamic pressure electricity electrification component 2-3 produces torsion；Described electrification component installing rack 2-1 is provided with installing rack screwed hole 2-1-2, clamp screw
Nail 3 is threadeded with installing rack screwed hole 2-1-2；Described electrification component installing rack 2-1 is provided with piezo-electric generating assembly installing hole
2-1-3, piezo-electric generating assembly 2-3 are fastenedly connected with electrification component installing rack 2-1 by piezo-electric generating assembly installing hole 2-1-3；
Described electrification component installing rack 2-1 is provided with steam vent 2-1-4, and mixed gas is via steam vent 2-1-4 discharge tray generator
Assembly 2.Described fan 2-2 is provided with fan external screw thread 2-2-1, and fan 2-2 is by fan external screw thread 2-2-1 and piezo-electric generating group
Part 2-3 is threaded；Described fan 2-2 is provided with steady pin installing hole a 2-2-2, steady pin 2-4 and steady pin installing hole a
2-2-2 is connected.Described piezo-electric generating assembly 2-3 is provided with elastic base plate 2-3-1, piezoelectric element 2-3-2, piezoelectric element 2-
3-2 can be selected for piezoelectric ceramic piece PZT or flexible obdurability piezoelectric PVDF, uses piezoelectric ceramic piece in this detailed description of the invention
PZT, piezoelectric element 2-3-2 and elastic base plate 2-3-1 are bonding, and this detailed description of the invention uses epoxide-resin glue bonding, described pressure
Electricity electrification component 2-3 is provided with steady pin installing hole b 2-3-3, steady pin 2-4 and steady pin installing hole b 2-3-3 and coordinates even
Connect；Described piezo-electric generating assembly 2-3 is provided with piezo-electric generating assembly female thread 2-3-4, fan external screw thread 2-2-1 and piezo-electric generating
Female thread 2-3-4 is threaded for assembly.Described elastic base plate 2-3-1 is provided with straight beam a 2-3-1-1, L-type beam 2-3-1-2 and straight
Beam b 2-3-1-3.Described elastic base plate 2-3-1 is provided with fixing projection 2-3-1-4, fixing projection 2-3-1-4 and piezo-electric generating
Assembly installing hole 2-1-3 is fastenedly connected, and described elastic base plate 2-3-1 is provided with curved hinge I 2-3-1-5, curved hinge II 2-
3-1-6 and curved hinge III 2-3-1-7, for reducing the torsional rigidity of the 2-3-1 of elastic base plate.
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 straight beam a 2-3-1-1 has length value A, and the value of A meets in the range of 20 ~ 30 mm, this specific embodiment party
In formula, the value of A is 20 mm；The value that relative drift angle is θ, θ of described straight beam a 2-3-1-1 and L-type beam 2-3-1-2 meets
Scope is 5 ~ 20 °, and in this detailed description of the invention, the value of θ is 10 °.Described straight beam b 2-3-1-3 has length value B, B and A
Ratio is that the value of K=B/A, K meets in the range of 1 ~ 1.5, and in this detailed description of the invention, the value of K is 1.25.Described arc hinge
Chain I 2-3-1-5 has radius of corner value R1, R1Value meet in the range of 1 ~ 3 mm, R in this detailed description of the invention1Value
It is 3 mm；Described curved hinge II 2-3-1-6 has radius of corner value R2, R2With R1Ratio be M=R2/R1, the value of M meets
In the range of 0.2 ~ 1, in this detailed description of the invention, the value of M is 0.5.Described curved hinge III 2-3-1-7 has radius of corner
Value R3, R3With R1Ratio be N=R3/R1, the value of N meets in the range of 0.2 ~ 1, and in this detailed description of the invention, the value of N is
0.5。
Described energy management circuit is by diode (D6~D9) and electric capacity C1Composition.When mixed gas is sprayed from conical flow
After end 1-6 flows out, fan 2-2 is driven to rotate so that piezo-electric generating assembly 2-3 produces torsional deflection, at the work of direct piezoelectric effect
With the lower signal of telecommunication that can produce the change of positive and negative alternating cyclical, the signal of telecommunication of generation is wired to full bridge rectifier
Input.When producing the forward signal of telecommunication, diode D6With diode D9Conducting constitutes closed-loop path, and electric energy can be stored in electricity
Hold C1In；When producing the negative sense signal of telecommunication, diode D7With diode D8Conducting constitutes the signal of telecommunication behind closed-loop path, and rectification
Flow 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.Through whole
Electric energy after stream storage can be via C1Flow out to outfan Internet of things node be powered.Described diode (D6~D9) can be
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
The bright designed incremental type torsional mode electromotor of the porous for Internet of things node energy supply can be in the effect of small flow high pressure gas
Lower induction outside air is oriented flowing, based on the impact of viscous effect power between gas, can be entered by the outside air after induction
Row speedup, flows out from conical flow ejection end after gas speedup and encourages the dish-type being connected with porous array type flow-increasing device
Generator assembly assembly carries out electricity transformation of energy.The present invention's it is a technical advantage that porous array type flow-increasing device has multiple micro-
Type jet orifice, gases at high pressure can be sprayed by jet orifice at a terrific speed, the local in quickly the gas of flowing can cause device
Low pressure, because ambient pressure is more than device air pressure inside, having substantial amounts of air for balance pressure reduction, to be sucked into porous array type incremental
Device, reaches incremental effect with this.Torsional mode electromotor it is a technical advantage that it uses dish-type array architecture, can be relatively
Little spatially layout piezoelectric element as much as possible, promotes piezoelectric element to produce deformation by the torsion of each beam, more increases
Pressure energy in the capture gas of effect.The hinge arrangement of its design can reduce the torsional rigidity of electromotor, increases piezoelectric element
Deformation quantity make its generated energy reach maximum.
Comprehensive above said content, the incremental type torsional mode of the porous for the Internet of things node energy supply generating of present invention design
Machine, by the Flow amplification of the gas of percussion, and can utilize the impact of the mixed gas after incremental speedup to act on piezoelectric element
On, it is achieved electricity transformation of energy, improves electric energy conversion efficiency.The incremental type of porous for Internet of things node energy supply of present invention design
Torsional mode electromotor can convert electrical energy into efficiency and improve more than 3 times, to the intelligent level tool improving industry manufacture equipment technology
There is facilitation.
Claims (6)
1. the porous incremental type torsional mode electromotor for Internet of things node energy supply, it is characterised in that this is used for Internet of Things joint
The porous incremental type torsional mode electromotor of some energy supply is by porous array type flow-increasing device (1), dish-type generator assembly (2) and tightening
Screw (3) three part forms, and wherein porous array type flow-increasing device (1) and dish-type generator assembly (2) are by holding screw (3)
It is fastenedly connected；Described porous array type flow-increasing device (1) is provided with air inlet (1-1), annular high voltage holds air cavity (1-2), increasing
Stream device threaded connection hole (1-3), taper suction end (1-4), miniature jet hole (1-5) and conical flow ejection end (1-6)；Institute
State dish-type generator assembly (2) by electrification component installing rack (2-1), fan (2-2), piezo-electric generating assembly (2-3) and steady pin
(2-4) composition.
Porous for Internet of things node energy supply the most according to claim 1 incremental type torsional mode electromotor, its feature exists
In described porous array type flow-increasing device (1), air inlet (1-1) is positioned at the periphery of annular high voltage appearance air cavity (1-2)
On, described flow-increasing device threaded connection hole (1-3) threadeds with holding screw (3), and described taper suction end (1-4) is positioned at many
The end in hole array flow-increasing device (1), described miniature jet hole (1-5) is positioned at annular high voltage and holds the compressed gas of air cavity (1-2)
Body injection end face, described miniature jet hole (1-5) is close to the exhaust end wall of porous array type flow-increasing device (1), described taper
Jet-impingement end (1-6) is positioned at the exhaust end of porous array type flow-increasing device (1).
Porous for Internet of things node energy supply the most according to claim 1 incremental type torsional mode electromotor, its feature exists
In described dish-type generator assembly (2), electrification component installing rack (2-1) is provided with electromotor inlet end (2-1-1), electromotor
Inlet end (2-1-1) is positioned at electromotor inlet end (2-1-1) end, and described electrification component installing rack (2-1) is provided with installing rack
Screwed hole (2-1-2), holding screw (3) threadeds with installing rack screwed hole (2-1-2), described electrification component installing rack (2-
1) being provided with piezo-electric generating assembly installing hole (2-1-3), piezo-electric generating assembly (2-3) passes through piezo-electric generating assembly installing hole (2-
1-3) being fastenedly connected with electrification component installing rack (2-1), described electrification component installing rack (2-1) is provided with steam vent (2-1-4),
Steam vent (2-1-4) circumferentially array is arranged；Described fan (2-2) is provided with fan external screw thread (2-2-1), and fan (2-2) leads to
Passing through fan external screw thread (2-2-1) is threadeded with piezo-electric generating assembly (2-3), and described fan (2-2) is provided with steady pin and installs
Hole a(2-2-2), steady pin (2-4) and steady pin installing hole a(2-2-2) it is connected；Described piezo-electric generating assembly (2-3) sets
It is equipped with elastic base plate (2-3-1) and piezoelectric element (2-3-2), piezoelectric element (2-3-2) and elastic base plate (2-3-1) bonding, institute
State piezo-electric generating assembly (2-3) and be provided with steady pin installing hole b(2-3-3), steady pin (2-4) and steady pin installing hole b(2-3-
3) being connected, described piezo-electric generating assembly (2-3) is provided with piezo-electric generating assembly female thread (2-3-4), fan external screw thread (2-
2-1) threaded with piezo-electric generating assembly female thread (2-3-4)；Described elastic base plate (2-3-1) is provided with straight beam a (2-3-
1-1), L-type beam (2-3-1-2) and straight beam b (2-3-1-3), described elastic base plate (2-3-1) is provided with fixing projection (2-3-1-
4), fixing projection (2-3-1-4) is fastenedly connected with piezo-electric generating assembly installing hole (2-1-3), and described elastic base plate (2-3-1) sets
It is equipped with curved hinge I (2-3-1-5), curved hinge II (2-3-1-6) and curved hinge III (2-3-1-7).
A kind of porous for Internet of things node energy supply the most according to claim 1 incremental type torsional mode electromotor, it is special
Levy and be a diameter of D of air inlet (1-1) in described porous array type flow-increasing device (1)3；Described taper suction end (1-4)
Maximum gauge is D1, the value that cone angle is θ, θ of described taper suction end (1-4) meets in the range of 0 ~ 60 °；D3With D1Ratio
Value is O=D3/D1；The minimum diameter D of described conical flow ejection end (1-6)2, the cone angle of described conical flow ejection end (1-6)
For α； D3With D2Ratio be G=D3/D2, the value of G meets in the range of 0.2 ~ 0.4；Described air inlet (1-1) center and cone
The air line distance of shape suction end (1-4) end face is L1, described air inlet (1-1) center and conical flow ejection end (1-6) end face
Air line distance be L2, L1With L2Ratio be F=L1/L2, the value of F meets in the range of 0.5 ~ 1；Described miniature jet hole (1-
5) a diameter of d, d and D3Ratio be J=d/D3。
A kind of porous for Internet of things node energy supply the most according to claim 1 incremental type torsional mode electromotor, it is special
Levying and be in described piezo-electric generating assembly (2-3) that straight beam a (2-3-1-1) has length value A, the value of A meets in the range of 20
~ 30 mm, described straight beam a(2-3-1-1) meet with the value that relative drift angle is θ, θ of L-type beam (2-3-1-2) in the range of 5 ~
20 °, described straight beam b (2-3-1-3) have the value that ratio is K=B/A, K of length value B, B and A meet in the range of 1 ~
1.5, described curved hinge I (2-3-1-5) has radius of corner value R1, R1Value meet in the range of 1 ~ 3 mm, described arc
Hinge II (2-3-1-6) has radius of corner value R2, R2With R1Ratio be M=R2/R1, the value of M meets in the range of 0.2 ~ 1,
Described curved hinge III (2-3-1-7) has radius of corner value R3, R3With R1Ratio be N=R3/R1, the value of N meet scope
It is 0.2 ~ 1.
A kind of porous for Internet of things node energy supply the most according to claim 1 incremental type torsional mode electromotor, it is special
Levying the piezoelectric element (2-3-2) being in described piezo-electric generating assembly (2-3), to can be selected for piezoelectric ceramic piece PZT or flexible tough
Property piezoelectric PVDF.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610821651.6A CN106230316B (en) | 2016-09-14 | 2016-09-14 | Porous flow increasing type torsional mode generator for Internet of things node energy supply |
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| CN201610821651.6A CN106230316B (en) | 2016-09-14 | 2016-09-14 | Porous flow increasing type torsional mode generator for Internet of things node energy supply |
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| CN106230316B CN106230316B (en) | 2017-12-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565851A (en) * | 2017-10-31 | 2018-01-09 | 长春工业大学 | A kind of piezoelectric energy trapping device for the energy supply of pneumatic system sensor |
| 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 |
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| CN105932907A (en) * | 2016-06-15 | 2016-09-07 | 浙江师范大学 | Vortex-excitation piezoelectric energy harvester for monitoring wind power gear box |
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| CN105201766A (en) * | 2015-09-02 | 2015-12-30 | 北京印刷学院 | Mass energy conversion device adopting gas energy storage and double-cylinder reciprocation vibrating piezoelectric transduction and applied to railway remote monitoring |
| 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565851A (en) * | 2017-10-31 | 2018-01-09 | 长春工业大学 | A kind of piezoelectric energy trapping device for the energy supply of pneumatic system sensor |
| 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 |
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| CN106230316B (en) | 2017-12-26 |
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