CN106351788A - Windmill twisting-type energy capturing device adopting annular space jet flow excitation - Google Patents
Windmill twisting-type energy capturing device adopting annular space jet flow excitation Download PDFInfo
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- CN106351788A CN106351788A CN201610821728.XA CN201610821728A CN106351788A CN 106351788 A CN106351788 A CN 106351788A CN 201610821728 A CN201610821728 A CN 201610821728A CN 106351788 A CN106351788 A CN 106351788A
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- windmill
- stream outlet
- air stream
- flow inlet
- air flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/04—Wind motors with rotation axis substantially parallel to the air flow entering the rotor having stationary wind-guiding means, e.g. with shrouds or channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/709—Piezoelectric means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses a windmill twisting-type energy capturing device adopting annular space jet flow excitation. The windmill twisting-type energy capturing device is used for solving the technical problem that in the current industrial environment, a micro energy capturing device used for capturing gas pressure energy is low in energy capturing efficiency. The windmill twisting-type energy capturing device comprises a microporous flow adjustor, a twisting-type power generating device and a locking screw. The microporous flow adjustor is connected with the twisting-type power generating device through the locking screw in a threaded mode. The microporous flow adjustor can induce external air to move in the fixed direction under the action of high-pressure small-flow gas, and increases the speed and the flow of the induced gas, and the gas is exhausted from a gas flow outlet and acts on the twisting-type power generating device connected with the microporous flow adjustor for energy capturing. The designed windmill twisting-type energy capturing device can increase the flow and the flowing speed of the gas, then improves capturing efficiency by three or more times, and has broad application prospects in the technical field of energy supply of Internet-of-Things nodes and other low-power-consumption electronic equipment.
Description
Technical field
The present invention relates to a kind of windmill torsional mode energy capture device of employing annular space jet excitation, belong to low power dissipation electron
Equipment energy supply technical field.
Background technology
Constantly stride forward towards intellectuality, lightweight, miniaturization and integrated direction with advanced manufacturing set technology, and companion
With its depth integration with low power dissipation electron equipment energy supply technology so that substantial amounts of Internet of things node, low-power consumption sensor and
The low power dissipation electron equipment such as low energy-consumption electronic device formerly enters to manufacture equipment technology field and is widely applied.This is also to low work(simultaneously
The energy supply technical merit of consumption electronic equipment proposes higher requirement.Therefore, to low-power consumption such as low energy-consumption electronic device, Internet of things nodes
Electronic equipment carries out reliable and stable lasting energy supply, is to ensure that the premise of its normal work.Current advanced manufacturing set technology neck
The energy-provision way of the Internet of things node in domain, low energy-consumption electronic device etc. mainly includes the direct energy supply of power supply and two kinds of sides of chemical cell energy supply
Formula.Wherein, the direct energy-provision way of power supply haves such problems as that electromagnetic interference is serious, system wiring is complicated, and chemical cell supplier of electricity
Formula then has that battery is limited, need to regularly replace and the deficiency such as environmental pollution.As can be seen here, study a kind of New Energy
Source capture technology is particularly important with solving the problems that traditional energy supply technology is brought.
Self energizing technology based on piezoelectric element due to having that structure is simple, do not generate heat, no electromagnetic interference and life-span length etc.
Advantage, it has also become one of study hotspot problem of the capture of current environment micro- energy and transformation technology.It can in industrial environment greatly
The reproducible micro- energy (as gas pressure energy) of cleaning that amount exists is converted into the electric energy of needs and holds for low power dissipation electron equipment
Continuous reliable power, this technical research can effectively solving conventional power source band of powering that the wiring bringing is complicated and chemical cell is powered
That comes needs the problems such as periodic replacement, pollution environment.However, energy collecting device mostly can not be by gas pressure in current industrial environment
Power can be converted into electric energy, or the relatively low such device that constrains of energy conversion efficiency is in Internet of things node, low-power consumption sensor
Application with low power dissipation electron equipment energy supply technical fields such as low energy-consumption electronic devices.
Content of the invention
For solving in current industrial environment for capturing the energy capture that micro- energy trap setting of gas pressure energy exists
The low technical problem of efficiency, the present invention discloses a kind of windmill torsional mode energy capture device of employing annular space jet excitation, can be
Low power consuming devices provide a kind of power supply device.
The technical solution adopted in the present invention is:
A kind of described windmill torsional mode energy capture device using annular space jet excitation includes micropore flow regulator, torsion
Formula TRT and lock-screw, micropore flow regulator is threadeded with torsional mode TRT by lock-screw；Micro-
Hole flow regulator includes air flow inlet, air flow inlet screw, air flow inlet sealing ring, fixes sleeve, air stream outlet sealing
Circle, air stream outlet and air stream outlet screw；Air flow inlet is threadeded with fixes sleeve by air flow inlet screw, air stream outlet
Threadeded with fixes sleeve by air stream outlet screw；It is close with fixes sleeve gas that air flow inlet passes through air flow inlet sealing ring
Envelope, air stream outlet passes through air stream outlet sealing ring and fixes sleeve air seal；Described torsional mode TRT includes fan, pressure
Electric electrification component, electromotor installing rack and steady pin, fan is threadeded with piezo-electric generating assembly, piezo-electric generating assembly and generating
Machine installing rack is fixed.
Described air flow inlet is provided with suction hole, and air flow inlet is provided with air flow inlet screwed hole, air flow inlet screw
Threaded with air flow inlet screwed hole, air flow inlet is provided with air flow inlet o-ring groove, air flow inlet is provided with air-flow
Inlet communication hole.Described fixes sleeve is provided with bush whorl hole a, and bush whorl hole a is connected with air flow inlet screw thread, Gu
Determine sleeve and be provided with air inlet, fixes sleeve is provided with bush whorl hole b, air stream outlet screw is with bush whorl hole b screw thread even
Connect.Described air stream outlet is provided with air stream outlet intercommunicating pore, air stream outlet o-ring groove, air stream outlet screwed hole, and air-flow goes out
Mouth screwed hole is connected with air stream outlet screw thread, and air stream outlet is provided with flow-increasing device threaded connection hole, flow-increasing device screw thread
Connecting hole is threadeded with lock-screw, and air stream outlet is provided with taper puff prot.
Described fan is provided with fan external screw thread, and fan is provided with steady pin installing hole a, steady pin installing hole a and fixation
Pin connection, piezo-electric generating assembly is provided with elastic base plate and piezoelectric element, piezoelectric element and the gluing connection of elastic base plate, and piezoelectricity is sent out
Electrical component is provided with steady pin installing hole b, and steady pin installing hole b is provided with piezoelectricity and sends out with fixing pin connection, piezo-electric generating assembly
Electrical component female thread, piezo-electric generating assembly female thread is threadeded with fan external screw thread；Piezo-electric generating assembly arranges flexible base
Plate, elastic base plate is provided with straight beam a, l type beam and straight beam b, and elastic base plate is provided with fixing projection, fixes projection and electrification component
Installing hole connects, and elastic base plate is provided with curved hinge, curved hinge and curved hinge.Described electromotor is installed and is set up
It is equipped with electromotor inlet end, electromotor installing rack is provided with installing rack screwed hole, lock-screw is with installing rack screwed hole screw thread even
Connect, electromotor installing rack is provided with electrification component installing hole and steam vent.
Described air flow inlet is b with the length that overlaps between air flow outlet arrangement, and the span of b is 5 ~ 15 mm；Described gas
The a diameter of d of inflow entrance intercommunicating pore1, b and d1Ratio be g=b/d1, the span of g is 0.1 ~ 0.5；Air stream outlet intercommunicating pore
A diameter of d2, d1With d2Ratio be z=d1/d2, the span of z is 0.6 ~ 0.8；A diameter of d of taper gas-blowing outlets3, taper
The diameter of gas-blowing outlets and air stream outlet intercommunicating pore is than for c=d3/d2, the scope that c value meets is 1 ~ 1.5.
Fan external thread length in described fan is h, and the span of h is 10 ~ 15；Straight beam in described elastic base plate
A is θ with the relative drift angle of l type beam, and the span of θ is 10 ~ 20 °；The radius of corner value of described curved hinge is r1, r1Take
Value scope is 1 ~ 3 mm；The radius of corner of described curved hinge is r2, r2With r1Ratio m=r2/r1, the span of m is 0.2 ~
1；Radius of corner value r of described curved hinge3, r3With r1Ratio be n=r3/r1, the span of n is 0.2 ~ 1.
Piezoelectric element in described piezo-electric generating assembly can be selected for piezoelectric ceramic piece pzt or flexible obdurability piezoelectric element
pvdf.
The operation principle of this energy capture device is can be by the pressure energy of gas using the direct piezoelectric effect of piezoelectric element
It is converted into electric energy.This energy capture device can induce outside air to be oriented stream in the presence of high-pressure low-flow gas
Dynamic, speedup can be carried out to the outside air after induction, flow out from air stream outlet after gas speedup and act on and micropore clearance flow
The torsional mode TRT that amount actuator is connected carries out electric transformation of energy.It is miniature that micropore flow regulator has a loop
Hole, because the diameter of hole is minimum, therefore, the air-flow ejecting in the presence of gases at high pressure is quickly.Due to quick gas
Body flowing lead to energy capture device internal pressure be less than outside ambient air pressure, therefore extraneous air can uniformly suck micro-
Hole flow regulator, to reach the purpose of flow increasing.The technical characterstic of torsional mode electromotor is that it adopts dish-type array to tie
Structure, can spatially arrange piezoelectric element as much as possible less, promote piezoelectric element to produce by the torsion of each beam
Deformation, the more efficiently pressure energy in capture gas.The hinge arrangement of its design can reduce the torsional rigidity of electromotor, increases
The deformation quantity of big piezoelectric element makes its generated energy reach maximum.
The invention has the beneficial effects as follows: under not affecting industrial working condition, using the micropore clearance flow invented
Amount actuator can induce outside air displacement in the presence of high-pressure low-flow gas, and the gas after induction is increased
Speed and flow increasing, are acted on, from air stream outlet discharge, the torsional mode TRT being connected with micropore flow regulator and carry out energy
Conversion.The TRT of present invention design is by gas flow rate and Flow amplification, and then generating efficiency can be improved more than 3 times.?
The technical fields such as low-power consumption sensor, low energy-consumption electronic device energy supply are with a wide range of applications.
Brief description
Fig. 1 show a kind of knot of the windmill torsional mode energy capture device of employing annular space jet excitation proposed by the present invention
Structure schematic diagram；
Fig. 2 show a kind of micropore of the windmill torsional mode energy capture device of employing annular space jet excitation proposed by the present invention
Flow regulator structural representation；
The gas that Fig. 3 show a kind of windmill torsional mode energy capture device of employing annular space jet excitation proposed by the present invention flows into
Mouth structure sectional view；
Fig. 4 show a kind of fixed cover of the windmill torsional mode energy capture device of employing annular space jet excitation proposed by the present invention
Barrel structure sectional view；
The gas that Fig. 5 show a kind of windmill torsional mode energy capture device of employing annular space jet excitation proposed by the present invention flows into
Mouth and air stream outlet series connection structure sectional view；
The air-flow that Fig. 6 show a kind of windmill torsional mode energy capture device using annular space jet excitation proposed by the present invention goes out
Mouth structure sectional view；
Fig. 7 show a kind of torsional mode of the windmill torsional mode energy capture device of employing annular space jet excitation proposed by the present invention
Generating device structure sectional view；
Fig. 8 show a kind of fan knot of the windmill torsional mode energy capture device of employing annular space jet excitation proposed by the present invention
Structure sectional view；
The piezoelectricity that Fig. 9 show a kind of windmill torsional mode energy capture device of employing annular space jet excitation proposed by the present invention is sent out
Electrical component structure front view；
Figure 10 show a kind of piezoelectricity of the windmill torsional mode energy capture device of employing annular space jet excitation proposed by the present invention
Electrification component structure left view；
Figure 11 show a kind of elasticity of the windmill torsional mode energy capture device of employing annular space jet excitation proposed by the present invention
The partial structurtes enlarged drawing of substrate；
Figure 12 show a kind of generating of the windmill torsional mode energy capture device of employing annular space jet excitation proposed by the present invention
Machine installing rack structure sectional view；
Figure 13 show a kind of rectification of the windmill torsional mode energy capture device of employing annular space jet excitation proposed by the present invention
Circuit diagram.
Specific embodiment
Specific embodiment one: present embodiment is described with reference to Fig. 1 ~ Figure 13.Present embodiments provide for one kind adopts ring
The specific embodiments of the windmill torsional mode energy capture device of gap jet excitation.A kind of torsion of described employing annular space jet excitation
Rotatable piezoelectric generator includes micropore flow regulator 1, torsional mode TRT 2 and lock-screw 3.Wherein, micropore clearance flow
Amount actuator 1 is threadeded with torsional mode TRT 2 by lock-screw 3.
Described micropore flow regulator 1 is a kind of windmill torsional mode energy capture device of employing annular space jet excitation
Flow amplification device.Described micropore flow regulator 1 includes air flow inlet 1-1, air flow inlet screw 1-2, air flow inlet
Sealing ring 1-3, fixes sleeve 1-4, air stream outlet sealing ring 1-5, air stream outlet 1-6 and air stream outlet screw 1-7.Described air-flow
Entrance 1-1 is threadeded by air flow inlet screw 1-2 with fixes sleeve 1-4；Described air stream outlet 1-6 and fixes sleeve 1-4
Threaded by air stream outlet screw 1-7；Described air flow inlet 1-1 passes through air flow inlet sealing ring 1-3 with fixes sleeve 1-4
Air seal；Described air stream outlet 1-6 passes through air stream outlet sealing ring 1-5 air seal with fixes sleeve 1-4.Described gas flows into
Mouth 1-1 is provided with suction hole 1-1-1, and induction ambient atmos enter air flow inlet 1-1 by suction hole 1-1-1；Described air flow inlet
1-1 is provided with air flow inlet screwed hole 1-1-2, and air flow inlet screw 1-2 is threadeded with air flow inlet screwed hole 1-1-2；Institute
State air flow inlet 1-1 and be provided with air flow inlet o-ring groove 1-1-3, air flow inlet sealing ring 1-3 is fixed on gas and flows into
In mouth sealing ring groove 1-1-3；Described air flow inlet 1-1 is provided with air flow inlet intercommunicating pore 1-1-4, and inducing gas are via air-flow
Inlet communication hole 1-1-4 discharges air flow inlet 1-1.Described fixes sleeve 1-4 is provided with bush whorl hole a1-4-1, air flow inlet
Screw 1-2 is threadeded with bush whorl hole a1-4-1；Described fixes sleeve 1-4 is provided with air inlet 1-4-2, compressed gas by
Air inlet 1-4-2 enters fixes sleeve 1-4；Described fixes sleeve 1-4 is provided with bush whorl hole b1-4-3, air stream outlet screw
1-7 is threadeded with bush whorl hole b1-4-3.Described air stream outlet 1-6 is provided with air stream outlet intercommunicating pore 1-6-1, gaseous mixture
Body enters air stream outlet 1-6 by air stream outlet intercommunicating pore 1-6-1；It is recessed that described air stream outlet 1-6 is provided with air stream outlet sealing ring
Groove 1-6-2, air stream outlet sealing ring 1-5 is arranged in air stream outlet o-ring groove 1-6-2；Described air stream outlet 1-6 setting
Air stream outlet screwed hole 1-6-3, air stream outlet screw 1-7 is had to threaded with air stream outlet screwed hole 1-6-3；Described air-flow goes out
Mouth 1-6 is provided with flow-increasing device threaded connection hole 1-6-4, and lock-screw 3 is with flow-increasing device threaded connection hole 1-6-4 screw thread even
Connect；Described air stream outlet 1-6 is provided with taper puff prot 1-6-5, and mixed gas spray micropore via taper puff prot 1-6-5
Flow regulator 1.
Described torsional mode TRT 2 is a kind of energy of the windmill torsional mode energy capture device of employing annular space jet excitation
Amount trap setting.Described torsional mode TRT 2 includes fan 2-1, piezo-electric generating assembly 2-2, electromotor installing rack 2-3 and consolidates
Rationed marketing 2-4.Described fan 2-1 is provided with fan external screw thread 2-1-1, and fan 2-1 passes through fan external screw thread 2-1-1 and piezo-electric generating
Female thread 2-2-4 is threaded for assembly；Described fan 2-1 is provided with steady pin installing hole a 2-1-2, steady pin 2-4 and fixation
Pin installing hole a 2-1-2 connects.Described piezo-electric generating assembly 2-2 is provided with elastic base plate 2-2-1, described piezo-electric generating assembly 2-
2 are provided with piezoelectric element 2-2-2, and described piezoelectric element 2-2-2 and elastic base plate 2-2-1 connects by epoxy resin ab is gluing, pressure
Gas pressure can be converted into electric energy by electric device 2-2-2, by the rectification circuit of trap setting, electric energy is managed；This tool
In body embodiment, piezoelectric element 2-2-2 can adopt the piezoelectricity pottery of grand several Xue Qi producers of Harbin company's core tomorrow and Baoding
Ceramics pzt；In this specific embodiment, piezoelectric element 2-2-2 may also be employed the flexibility of essence amount electronics (Shenzhen) company limited of the U.S.
Obdurability piezoelectric element pvdf；Described piezo-electric generating assembly 2-2 is provided with steady pin installing hole b 2-2-3, steady pin 2-4 with solid
Rationed marketing installing hole b 2-2-3 connects；Described piezo-electric generating assembly 2-2 is provided with piezo-electric generating assembly female thread 2-2-4, outside fan
Screw thread 2-1-1 is threadeded with piezo-electric generating assembly female thread 2-2-4.Described elastic base plate 2-2-1 is provided with straight beam a 2-2-
1-1, described elastic base plate 2-2-1 are provided with l type beam 2-2-1-2, and described elastic base plate 2-2-1 is provided with straight beam b 2-2-1-3；
Described elastic base plate 2-2-1 is provided with fixing projection 2-2-1-4, and fixing projection 2-2-1-4 and electrification component installing hole 2-3-3 is even
Connect；Described elastic base plate 2-2-1 is provided with curved hinge 2-2-1-5, and described elastic base plate 2-2-1 is provided with curved hinge
2-2-1-6, described elastic base plate 2-2-1 is provided with curved hinge 2-2-1-7, for reducing the torsion of the 2-3-1 of elastic base plate
Turn rigidity.Described electromotor installing rack 2-3 is provided with electromotor inlet end 2-3-1, and mixed gas are via electromotor inlet end 2-
3-1 enters in torsional mode TRT 2 and acts on fan 2-1, and fan 2-1 rotates band in the presence of mixed gas
Dynamic pressure electricity electrification component 2-2 produces and reverses；Described electromotor installing rack 2-3 is provided with installing rack screwed hole 2-3-2, lock-screw
3 are threadeded with installing rack screwed hole 2-3-2；Described electromotor installing rack 2-3 is provided with electrification component installing hole 2-3-3, pressure
Electric electrification component 2-2 is passed through insertion electrification component installing hole 2-3-3 and is connected with electromotor installing rack 2-3；Described electromotor is installed
Frame 2-3 is provided with steam vent 2-3-4, and mixed gas discharge torsional mode TRT 2 via steam vent 2-3-4.
Intersection length between air flow inlet 1-1 in described micropore flow regulator 1 and air stream outlet 1-6 is
The scope that b, b value meets is 5 ~ 15 mm, can change the fluidised form of mixed gas by the value adjusting b；This specific embodiment
The value of middle b is 15 mm.The a diameter of d of air inlet 1-4-2 in described fixes sleeve 1-40, b and d0Ratio be f=b/d0, f
The scope that value meets is 1 ~ 2, can change the flow velocity of the compressed gas of offer by the value adjusting f；This specific embodiment
The value of middle f is 2.The a diameter of d of air flow inlet intercommunicating pore 1-1-4 in described air flow inlet 1-11, b and d1Ratio be g=b/d1,
The scope that g value meets is 0.1 ~ 0.5, can change the flow velocity of gas by the value adjusting g；G in this specific embodiment
Value be 0.2.A diameter of d of air stream outlet intercommunicating pore 1-6-1 in described air stream outlet 1-62, d1With d2Ratio be z=d1/
d2, the scope that z value meets is 0.6 ~ 0.8, can change the flow of gas by adjusting z value；Z in this specific embodiment
Value is 0.7.A diameter of d of described taper gas-blowing outlets 1-6-53, the diameter d of taper gas-blowing outlets 1-6-53With air stream outlet
Intercommunicating pore 1-6-1 diameter d2Ratio be c=d3/d2, the scope that c value meets is 1 ~ 1.5, can change gas by adjusting c value
Rate of flow of fluid；In this specific embodiment, the value of c is 1.
Described torsional mode TRT 2 is provided with fan 2-1, and the fan external screw thread 2-1-1 length in described fan 2-1 is
H, h span meets 10 ~ 15, can change the moment of torsion of torsional mode TRT 2 by adjusting h value；H value in present embodiment
Value be 12.Described piezo-electric generating assembly 2-2 is provided with elastic base plate 2-2-1, straight beam a 2- in described elastic base plate 2-2-1
2-1-1 has length value a, and the scope that a value meets is 20 ~ 40 mm, can change straight beam a 2-2-1-1's by adjusting a value
Rigidity；In this specific embodiment, the value of a is 25 mm.Straight beam a 2-2-1-1 in described elastic base plate 2-2-1 and l type beam
The relative drift angle of 2-2-1-2 is θ, and the scope that θ value meets is 10 ~ 20 °, can adjust piezo-electric generating assembly by changing θ value
The generating effect of 2-2；In this specific embodiment, the value of θ is 15 °.Straight beam b 2-2-1-3 in described elastic base plate 2-2-1
There is length value b, the length of straight beam b 2-2-1-3 is k=b/a with the ratio of length a of straight beam a 2-2-1-1, and k value meets
Scope be 1 ~ 2, the deformation quantity of elastic base plate 2-2-1 can be changed by adjusting k value；The value of k in this specific embodiment
For 1.25.Described curved hinge 2-2-1-5 has radius of corner value r1, r1The scope that value meets is 1 ~ 3 mm；This is specifically real
Apply r in mode1Value be 3 mm.Described curved hinge 2-2-1-6 has radius of corner value r2, r2With r1Ratio be m=
r2/r1, the scope that the value of m meets is 0.2 ~ 1, can change elastic base plate 2-2-1 rigidity by adjusting m value；Originally it is embodied as
In mode, the value of m is 0.5.Described curved hinge 2-3-1-7 has radius of corner value r3, r3With r1Ratio be n=r3/
r1, elastic base plate 2-2-1 rigidity can be changed by adjusting n value, the scope that n value meets is 0.2 ~ 1；This specific embodiment
The value of middle n is 0.4.
The rectification circuit of described trap setting includes the diode (d of alternation6~d9) and electric capacity c1.When flow increasing gas is from air-flow
After outlet 1-6 flows out, act on torsional mode TRT 2, positive and negative alternating cyclical can be produced in the presence of direct piezoelectric effect
The signal of telecommunication, the signal of telecommunication of generation is wired to the input of full bridge rectifier.When producing the positive signal of telecommunication,
Diode d6With diode d9Conducting constitutes closed-loop path, and electric energy can be stored in electric capacity c1In；When producing the negative sense signal of telecommunication, two
Pole pipe d7With diode d8Conducting constitute closed-loop path, and rectification after electric signal streams to diode d6, diode d9Close back
To identical, therefore electric energy is still stored in electric capacity c to road electric signal streams1In.Electric energy after over commutation storage can be via c1Flow out to defeated
Go out end and energy supply is carried out to low power dissipation electron equipment.Described diode (d6~d9) can be ni 5408 commutation diode, described electric capacity
c1Capacitance swing be 100 ~ 1000 μ f.
In sum, the windmill torsional mode energy capture device of a kind of employing annular space jet excitation of present invention design, can
Solve in current industrial environment for capturing the low skill of energy capture efficiency that micro- energy trap setting of gas pressure energy exists
Art problem.By gas flow rate and Flow amplification, and then generating efficiency can be improved more than 3 times.In low-power consumption sensor, low work(
The technical field of the low power dissipation electron equipment energy supplies such as consumption device is with a wide range of applications.
Claims (9)
1. a kind of windmill torsional mode energy capture device of employing annular space jet excitation is it is characterised in that this windmill torsional mode energy
Trap setting includes micropore flow regulator (1), torsional mode TRT (2) and lock-screw (3), micropore Flow-rate adjustment
Device (1) is threadeded with torsional mode TRT (2) by lock-screw (3)；Micropore flow regulator (1) includes gas and flows into
Mouth (1-1), air flow inlet screw (1-2), air flow inlet sealing ring (1-3), fixes sleeve (1-4), air stream outlet sealing ring (1-
5), air stream outlet (1-6) and air stream outlet screw (1-7)；Air flow inlet (1-1) passes through air flow inlet screw (1-2) and fixes
Sleeve (1-4) is threaded, and air stream outlet (1-6) is threadeded with fixes sleeve (1-4) by air stream outlet screw (1-7)；
Air flow inlet (1-1) passes through air flow inlet sealing ring (1-3) and fixes sleeve (1-4) air seal, and air stream outlet (1-6) passes through
Air stream outlet sealing ring (1-5) and fixes sleeve (1-4) air seal；Described torsional mode TRT (2) includes fan (2-
1), piezo-electric generating assembly (2-2), electromotor installing rack (2-3) and steady pin (2-4), fan (2-1) and piezo-electric generating assembly
(2-2) threaded, piezo-electric generating assembly (2-2) is fixing with electromotor installing rack (2-3).
2. the windmill torsional mode energy capture device of a kind of employing annular space jet excitation according to claim 1, its feature
It is that described air flow inlet (1-1) is provided with suction hole (1-1-1), air flow inlet (1-1) is provided with air flow inlet screwed hole
(1-1-2), air flow inlet screw (1-2) is threadeded with air flow inlet screwed hole (1-1-2), and air flow inlet (1-1) is provided with
Air flow inlet o-ring groove (1-1-3), air flow inlet (1-1) is provided with air flow inlet intercommunicating pore (1-1-4).
3. the windmill torsional mode energy capture device of a kind of employing annular space jet excitation according to claim 1, its feature
It is that described fixes sleeve (1-4) is provided with bush whorl hole a(1-4-1), bush whorl hole a(1-4-1) and air flow inlet spiral shell
Nail (1-2) is threaded, and fixes sleeve (1-4) is provided with air inlet (1-4-2), and fixes sleeve (1-4) is provided with bush whorl
Hole b(1-4-3), air stream outlet screw (1-7) and bush whorl hole b(1-4-3) threaded.
4. the windmill torsional mode energy capture device of a kind of employing annular space jet excitation according to claim 1, its feature
It is that described air stream outlet (1-6) is provided with air stream outlet intercommunicating pore (1-6-1), air stream outlet o-ring groove (1-6-2), gas
Flow export screwed hole (1-6-3), air stream outlet screwed hole (1-6-3) is threadeded with air stream outlet screw (1-7), air stream outlet
(1-6) it is provided with flow-increasing device threaded connection hole (1-6-4), flow-increasing device threaded connection hole (1-6-4) and lock-screw (3) spiral shell
Stricture of vagina connects, and air stream outlet (1-6) is provided with taper puff prot (1-6-5).
5. the windmill torsional mode energy capture device of a kind of employing annular space jet excitation according to claim 1, its feature
It is that described fan (2-1) is provided with fan external screw thread (2-1-1), fan (2-1) is provided with steady pin installing hole a(2-1-2),
Steady pin installing hole a(2-1-2) it is connected with steady pin (2-4), piezo-electric generating assembly (2-2) is provided with elastic base plate (2-2-1)
With piezoelectric element (2-2-2), piezoelectric element (2-2-2) and the gluing connection of elastic base plate (2-2-1), piezo-electric generating assembly (2-2)
It is provided with steady pin installing hole b(2-2-3), steady pin installing hole b(2-2-3) it is connected with steady pin (2-4), piezo-electric generating assembly
(2-2) it is provided with piezo-electric generating assembly female thread (2-2-4), piezo-electric generating assembly female thread (2-2-4) and fan external screw thread (2-
1-1) threaded；Piezo-electric generating assembly (2-2) is provided with elastic base plate (2-2-1), and elastic base plate (2-2-1) is provided with straight beam
A(2-2-1-1), l type beam (2-2-1-2) and straight beam b(2-2-1-3), elastic base plate (2-2-1) is provided with fixing projection (2-2-
1-4), fixing projection (2-2-1-4) is connected with electrification component installing hole (2-3-3), and elastic base plate (2-2-1) is provided with arc hinge
Chain (2-2-1-5), curved hinge (2-2-1-6) and curved hinge (2-2-1-7).
6. the windmill torsional mode energy capture device of a kind of employing annular space jet excitation according to claim 1, its feature
It is that described electromotor installing rack (2-3) is provided with electromotor inlet end (2-3-1), electromotor installing rack (2-3) is provided with peace
Shelve screwed hole (2-3-2), lock-screw (3) is threadeded with installing rack screwed hole (2-3-2), electromotor installing rack (2-3)
It is provided with electrification component installing hole (2-3-3) and steam vent (2-3-4).
7. the windmill torsional mode energy capture device of a kind of employing annular space jet excitation according to claim 1, its feature
It is that described air flow inlet (1-1) overlap length interstructural with air stream outlet (1-6) is b, the span of b is 5 ~ 15 mm；
The a diameter of d of described air flow inlet intercommunicating pore (1-1-4)1, b and d1Ratio be g=b/d1, the span of g is 0.1 ~ 0.5；Gas
A diameter of d of flow export intercommunicating pore (1-6-1)2, d1With d2Ratio be z=d1/d2, the span of z is 0.6 ~ 0.8；Tapered injection
A diameter of d of gas outlet (1-6-5)3, the diameter of taper gas-blowing outlets (1-6-5) and air stream outlet intercommunicating pore (1-6-1) ratio is for c
=d3/d2, the scope that c value meets is 1 ~ 1.5.
8. the windmill torsional mode energy capture device of a kind of employing annular space jet excitation according to claim 1, its feature
Fan external screw thread (2-1-1) length being in described fan (2-1) is h, and the span of h is 10 ~ 15；Described elastic base plate
(2-2-1) the straight beam a(2-2-1-1 in) it is θ with the relative drift angle of l type beam (2-2-1-2), the span of θ is 10 ~ 20 °；Institute
The radius of corner value stating curved hinge (2-2-1-5) is r1, r1Span be 1 ~ 3 mm；Described curved hinge (2-2-
Radius of corner 1-6) is r2, r2With r1Ratio m=r2/r1, the span of m is 0.2 ~ 1；Described curved hinge (2-2-1-7)
Radius of corner value r3, r3With r1Ratio be n=r3/r1, the span of n is 0.2 ~ 1.
9. the windmill torsional mode energy capture device of a kind of employing annular space jet excitation according to claim 1, its feature
The piezoelectric element (2-2-2) being in described piezo-electric generating assembly (2-2) can be selected for piezoelectric ceramic piece pzt or flexible obdurability
Piezoelectric element pvdf.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769613A (en) * | 2017-10-31 | 2018-03-06 | 长春工业大学 | A kind of rotary magnetic force multi-modal based on monostable stirs piezoelectric harvester |
| CN108979948A (en) * | 2018-07-24 | 2018-12-11 | 李素梅 | A kind of air amplifier for electric vehicle |
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| US20020036448A1 (en) * | 2000-09-27 | 2002-03-28 | Noboru Kageyama | Piezoelectric generator and mounting structure therefor |
| 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 |
| 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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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020036448A1 (en) * | 2000-09-27 | 2002-03-28 | Noboru Kageyama | Piezoelectric generator and mounting structure therefor |
| 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 |
| 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 |
Cited By (3)
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| CN107769613A (en) * | 2017-10-31 | 2018-03-06 | 长春工业大学 | A kind of rotary magnetic force multi-modal based on monostable stirs piezoelectric harvester |
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| CN108979948A (en) * | 2018-07-24 | 2018-12-11 | 李素梅 | A kind of air amplifier for electric vehicle |
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