CN206144709U - Broadband charming appearance and behaviour vibrocast electric flux collection system - Google Patents
Broadband charming appearance and behaviour vibrocast electric flux collection system Download PDFInfo
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- CN206144709U CN206144709U CN201620753043.1U CN201620753043U CN206144709U CN 206144709 U CN206144709 U CN 206144709U CN 201620753043 U CN201620753043 U CN 201620753043U CN 206144709 U CN206144709 U CN 206144709U
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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
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Abstract
The utility model provides a broadband charming appearance and behaviour vibrocast electric flux collection system, module, motion output conversion module and energy collection module constitute with higher speed by the motion input, motion input module with higher speed comprises fan, input shaft, bearing A, inner gearing pinion, bearing B, bearing D, parallel key A, parallel key B, bolt, shell, bearing C and planetary gear train, motion output conversion module is by output shaft, slope disc, bearing E, linear bearing, the crooked pole of central base, slide bar and connecting rod composition, energy collection module comprises base piece, cantilever beam and piezoelectric patches, its working process does: 1 assemble a broadband charming appearance and behaviour vibration piezoelectricity vibration energy collection system, 2 the natural wind blows the fan, accelerates the planetary gear train in the module with rotary motion transmission to motion input, and meanwhile, motion output conversion module and energy collection module do corresponding motion. The utility model overcomes design in the past is to the unable effective defect of gathering of the wind energy under the constantly changeable low -speed status of wind speed.
Description
Technical field
The utility model is related to a kind of wind electricity energy harvester, more particularly to a kind of broadband wind-induced vibration piezoelectric energy is adopted
Acquisition means, belong to wind power generation and energy acquisition technical field.
Background technology
With non-renewable energy resources peter out and global environmental pollution that it brings gradually has influence on the mankind
Productive life.And then promoted the well-being of mankind using the low stains such as wind energy, water energy, tide energy or free of contamination regenerative resource, promote society
Meeting progress, has been the common recognition of the whole society.Cloud data acquisition simultaneously is increasingly becoming social hot topic.Internet of Things, intelligent industrial prison
Control, intelligent altitude environment monitoring, intelligent oceanographic data collection etc., the popularization and application of a series of intelligent automatic-control outdoor equipment,
It is required that its equipment carries out self-powered requirement and gradually steps up.
Existing much using regenerative resources such as wind energy, water energy, tide energies before the utility model, the vibration of Jing piezoelectric patches is sent out
The equipment of electricity output electric energy, and be applied.But because wind energy itself does not have stability, cause generating efficiency to carry
Height, and cannot stablize, long-acting use.
(1) A of Publication No. CN 101951188, a kind of entitled " the piezoelectric energy collection method and dress of utilization wind energy
Put " patent of invention disclose the piezoelectric energy collection method and device of a kind of utilization wind energy, it is rotated using wind energy drive shaft,
Permanent magnet on axle produces the repulsion to the fixed magnet on cantilever beam so that cantilever beam vibration, so as to allow on cantilever beam
Energy is produced after piezoelectric smart material deformation.But, because natural wind speed is continually changing, and wind speed changes very greatly.Therefore send out
In the environment of low wind speed, piezoelectric patches cannot produce enough energy to bright patent.Cantilever beam in the environment of high wind speed, on axle
Vibration is bent and be not likely to produce to the direction of rotation of axle, affects the piezoelectric patches covered on cantilever beam to generate electricity.
(2) a kind of U of Publication No. CN 204304836, the practicality of entitled " broadband wind power piezoelectric generation device " is new
Type discloses a kind of broadband wind-force piezoelectric power generating device, and the utility model is excellent with the wind energy that can gather different wind speed
Point.But it is disadvantageous in that piezoelectric cantilever arranges excessively intensive, the easy phase between each cantilever beam during vibration
Mutually interfere, affect wind collecting efficiency.And vibrated by knock over cam connecting rod, easily cause piezoelectric patches and come off.
(3) A of Publication No. CN 105626383, entitled " a kind of spring oscillator type wind power piezoelectric generation device " send out
It is bright to disclose a kind of vibrator type wind-force piezoelectric generating mechanism.The invention drives the gear rotation in rotary shaft by fan so that
The gear teeth of gear clash into the cantilever beam for being arranged in outside, so that cantilever beam produces vibration, piezoelectric patches produces energy.The invention knot
Structure is simple, has the advantages that broadband.But, the invention is big by air speed influence, and noise is big.The piezoelectric patches of cantilever beam surface adhesion
Obscission, shortening device service life can be sent in long-term vibration processes.
(4) U of Publication No. CN 204304834, the utility model of entitled " symmetrical expression wind power piezoelectric generation device " is public
A kind of wind power piezoelectric generation device of symmetrical expression is opened.The utility model is rotated using fans drive rotary shaft, cloth in rotary shaft
Put cam.When cam rotation, cantilever beam vibration is clashed into, so that the piezoelectric patches on cantilever beam generates electricity.Its advantage is machine
Structure is simple, and the wind speed requirement of drive mechanism motion is low, but because it does not have broadband property, therefore can not fully gather wind speed
Higher wind energy.
(5) exist《Piezoelectricity and acousto-optic》The 2nd phase " wind power generation method based on piezo-electric effect is studied " text of volume 37 in 2015
Chapter.The device that a kind of energy drives multi-disc piezoelectric patches vibrating power-generation using wind energy is devised in article.Devising one kind can utilize wind
The device of multi-disc piezoelectric patches vibrating power-generation can be driven.The device drives impeller rotation by wind energy, using the rotary torsion of impeller
Piezoelectric patches is forced to vibrate. piezoelectric patches is vibrated the electric energy for producing after rectification circuit, storage capacitor and DC-DC conversion for negative
Load is used.The design simple structure, can arrange a large amount of cantilever beam piezoelectric patches on inner ring wall, and generated energy is larger, and with wideband
The property of band.But, the design belongs to rotation excitation impacting type TRT, using the they strike piezoelectric vibrator of rotation, should
Method is only suitable for the relatively low occasion of rotating speed and there is the damage of greater impact, noise and possible shock.Obviously, it is this along rotary body
Gyratory directions clash into excitation piezoelectric vibrator generator existing defects in structure, restrict its popularization and application, especially inapplicable high speed,
At the uniform velocity and using occasions such as limited spaces.
The application is with the essential distinction of patent of invention (1), utility model (4)：The present invention has wide band advantage, leads to
The cantilever array arrangements different to length are crossed, its vibration frequency band is widened.
The application is with the essential distinction of utility model (2)：The utility model is excellent with what is spun up to low velocity wind energy
Point, output is accelerated using planet circular system to the rotary motion being input into, and increases driving frequency, improves wind collecting efficiency.
Above-mentioned patent considers broadband seldom, though broadband is considered, but all devices do not consider to accelerate link, this
Patent is devoted to proposing to be applied to broadband, and with the wind-induced vibration piezo-electricity energy harvester of acceleration function.
The content of the invention
The purpose of this utility model is and overcomes prior art not consider low frequency vibration and piezoelectricity under low wind speed environments
Piece cannot produce the defect of effective electric energy, propose a kind of broadband wind-induced vibration piezo-electricity energy harvester.
Core technology feature of the present utility model is：The wind energy that fan is gathered is converted to into rotary motion；Then, by row
Star wheel series accelerate to this rotary motion；Cam principle is recycled to convert rotational motion into straight reciprocating motion, in wideband
Band wind-induced vibration piezo-electricity energy harvester output end arrangement cantilever beam-piezoelectric patches component, widens the acquisition bandwidth of wind energy, is suitable for
Changeable wind speed.
A kind of broadband wind-induced vibration piezoelectric vibration energy harvester is changed by input accelerating module, movement output is moved
Module and energy acquisition module are constituted；
Wherein, motion input accelerating module is by fan (1), input shaft (2), bearing A (3), internal messing little gear (5), axle
Hold
B (6), external toothing little gear (7), short axle (10), bearing C (8), external toothing gear wheel (11), internal messing gear wheel
(9), planet carrier (13), bearings D (12), flat key A (24), flat key B (25), flat key C (27), flat key D (28), latch (26) and outer
Shell (4) is constituted；
Wherein, internal messing little gear (5), internal messing gear wheel (9), planet carrier (13) and planetary gear set are into planetary gear
System, planetary gear again by external toothing little gear (7), short axle (10), external toothing gear wheel (11),
Bearing C (8) and flat key C (27) and flat key D (28) is constituted；Planetary gear for 3 groups, i.e. external toothing little gear (7), outer
Engagement gear wheel (11), short axle (10), bearing C (8), the quantity of flat key C (27) and flat key D (28) are 3；Short axle (10) axle
It is that two ends are thin to section, middle thick, it is foursquare projection that there is section centre；
Planet carrier (13) one end is slightly long and has foursquare installing hole in its end face, referred to as thick long end, the other end it is thin short and
End face is smooth, referred to as thin short end, is planetary gear installing rack in the middle of thick long end and thin short end, and installing rack totally 3 belongs to planet carrier
(13) part；Installing rack is circumferential to be evenly arranged in 120 ° centered on planet carrier (13) axis；
One side of internal messing gear wheel (9) annular array centered on the gear center of circle arranges 6 and stretches out small column；
Small column is integrated with internal messing gear wheel (9)；Input shaft (2) one end end face is smooth, and N-Side surf has keyway；Other end end face
For groove, side is curved surface, is disposed with 6 pin holes and keyway；
Shell (4) mainly includes that motion input accelerates ante-chamber (abbreviation ante-chamber) and movement output conversion back cavity (abbreviation back cavity)
And demarcation strip；Wherein, the internal diameter of ante-chamber is bigger than the internal diameter of back cavity；There is a central through hole A ante-chamber outer face；Ante-chamber and back cavity
Between be demarcation strip, have central through hole B on demarcation strip, and on ante-chamber side centered on central through hole B axle line circular array
6 gears of row fix aperture；The rear resonator end surface of shell has a central through hole C, and has two and be with central through hole C axis
Line symmetrical linear bearing (17) installing hole, wherein, the diameter of central through hole C is bigger than linear bearing (17) installation bore dia；
Movement output modular converter is by output shaft (15), inclined plate (14), bearing E (16), linear bearing (17), center
Pedestal bent stick (18), slide bar (19) and connecting rod (20) composition；
Wherein, an end face of output shaft (15) is circle, and another end face is square；Slide bar (19) one end is smooth
End face, one end is apicule shape, and tip is sphere；The point midway of connecting rod (20) has centre bore, and there is elongated hole midpoint both sides；
Energy acquisition module is made up of base block (21), cantilever beam (22) and piezoelectric patches (23)；Wherein, base block (21)
A side have protrusion quarter butt；Cantilever beam (22) is different in size, and its quantity span is 1 to 15；
The assembly relation of each module is as follows in a kind of broadband wind-induced vibration piezo-electricity energy harvester：
Motion input module assemble sequence and installation relation be such as in a kind of broadband wind-induced vibration piezo-electricity energy harvester
Under：
Fan (1) location and installation is fixed on input shaft (2) to the smooth end of input shaft (2) using flat key A (24)；It is defeated
Enter the central through hole A that axle (2) is positioned at shell (4) ante-chamber outer face by bearing A (3) assemblings；Internal messing little gear (5) is adopted
Flat key B (25) carries out radial positioning, carries out being axially positioned on the groove ends of input shaft (2) using latch (26)；
Planetary gear positioning assembly relation in motion input module is as follows：
External toothing little gear (7) side is alignd with short axle (10) one end shoulder, the centre bore of external toothing little gear (7) with it is short
The alignment of axle (10) one end coordinates, and is fixed by flat key C (27) positioning；Short axle (10) intermediate elevation installs bearing C (8), short axle
(10) by the hole of bearing C (8) location and installations to the installing rack of planet carrier (13)；External toothing gear wheel (11) side and short axle
(10) other end shoulder alignment, the centre bore of external toothing gear wheel (11) aligns cooperation with short axle (10) other end, and by putting down
Key D (28) positioning is fixed；3 groups of planetary gears are spaced 120 ° and are installed on the installing rack of planet carrier (13) with each group；
Internal messing gear wheel (9) side is using in the embedded shell (4) of small column；Planet carrier (13) taper end utilizes bearing B (6)
With output shaft (15) location fit, planet carrier (13) butt end is using bearings D (12) and shell (4) location fit, planet carrier (13)
Butt end end face square opening assembling output shaft (15), and using pin fixed form；
Its middle (center) bearing A (3) inner rings and input shaft (2), shell (4) ante-chamber outer face central through hole A internal diameters and bearing A (3)
Outer ring, bearing C (8) inner rings and short axle (10) mid diameter the best part, bearing C (8) outer rings and planet carrier (13) installing rack
On installing hole, bearing B (6) outer rings and input shaft (2) groove ends end-face central hole, bearing B (6) inner rings and planet carrier (13) it is thin
Demarcation strip central through hole B, bearings D (12) inner ring and planet carrier (13) butt end in the middle of end, bearings D (12) outer ring and shell (4)
Matching relationship is interference fit；
The gearratio of planet circular system is calculated according to formula (1)：
Wherein, the gearratio of planetary gear, is designated asωaFor the angular speed of internal messing little gear (5), ωHFor planet carrier
(13) angular speed, Za、Zb、Zc、ZdRespectively internal messing little gear (5) number of teeth, outer internal messing little gear (7) number of teeth, external toothing is big
The number of teeth of gear (11), the number of teeth of internal messing gear wheel (9)；n1For rotation speed of the fan, n2For planet carrier rotating speed；
In a kind of broadband wind-induced vibration piezo-electricity energy harvester the positioning assemble sequence of movement output modular converter and
Installation relation is as follows：
Inclined plate (14) hot-melt adhesive is fixed on output shaft (15) centre position；Output shaft (15) circular end face is stretched out outer
Shell (4) back cavity outer face, by bearing E (16), afterwards resonator end surface realizes location fit to output shaft (15) with shell (4)；Slide bar (19)
Sophisticated curved surface is contacted with inclined plate (14) card point, and slide bar (19) axis is with shell (4) back cavity end-face central hole in symmetrical point
The aperture axis alignment of cloth, and assembled using linear bearing (17) positioning；Central seat bent stick (18) is welded in after shell (4)
Chamber outer face center；On connecting rod (20) centre bore insertion central seat bent stick (18), by the way of pin positioning；Connecting rod
(20) elongated hole medial surface is tangent with the protrusion rod member in base block (19), by the way of pin positioning；
The straight reciprocating motion stroke of slide bar (19) is calculated according to formula (2)：
Wherein, the reciprocating motion of slide bar (19) is designated as d, l for the linear bearing installing hole of shell (4) back cavity outer face away from
From θ is the angle of inclined plate (14) and output shaft (15) axis, and θ spans are 45 ° to 60 °；L spans are 20mm
To 60mm；
The positioning assembly relation of energy acquisition module is as follows in a kind of broadband wind-induced vibration piezo-electricity energy harvester：
It is circular one end that base block (21) is fixed on slide bar (19) end face；Base block (21) is perpendicular to shell (4) back cavity
Side welding arrangement cantilever beam (22) of outer face, covers the piezoelectric patches (23) of corresponding length on each cantilever beam face；
The function of each module is as follows in a kind of broadband wind-induced vibration piezoelectric vibration energy harvester：
The function of motion input accelerating module includes：Wind energy is gathered by fan (1), and the wind energy of collection is converted to into rotation
Transhipment is dynamic；Again rotary motion is accelerated by planet circular system, and export the rotary motion after accelerating, direction of rotation is constant；
The function of movement output modular converter includes：Output shaft (15) communicates rotational motion to inclined plate (14), inclines
Oblique disk (14) card does straight reciprocating motion, realizes rotation with slide bar (19) tip sphere tangential motion, slide bar (19) with card
Transhipment is dynamic to be converted to straight reciprocating motion；Central seat bent stick (18) support link (20), makes connecting rod (20) with central seat
Centered on the axis of bent stick (18), control slide bar (19) apicule end ball curved surface is tangent all the time with the card of inclined plate (14)；
The function of energy acquisition module includes：Base block (21) does straight reciprocating motion with slide bar (19)；Cantilever beam (22)
Vibration is realized in straight reciprocating motion；Piezoelectric patches (23) deformation that cantilever beam (22) upper surface pastes, and electric energy is produced, so as to
Realize energy acquisition；
Wind energy is turned by the functional realiey of motion input accelerating module, movement output modular converter and energy acquisition module
It is changed to electric energy；
A kind of course of work of broadband wind-induced vibration piezoelectric vibration energy harvester is：
Step one. a kind of broadband wind-induced vibration piezoelectric vibration energy harvester of assembling, specially：
Step 1.1 is assembled motion input and accelerates mould according to the assemble sequence and installation relation of motion input accelerating module
Block；
Step 1.2 installs movement output conversion according to the positioning assemble sequence and installation relation of movement output modular converter
Module；
Step 1.3 installs energy acquisition module according to the positioning assembly relation of energy acquisition module；
So far, through step 1.1 to step 1.3, a kind of mounted broadband wind-induced vibration piezoelectric vibration energy collection
Device is installed in use environment；
Step 2. natural wind blows fan (1), and rotary motion is transferred to move the planetary gear in input accelerating module
System, at the same time, movement output modular converter and energy acquisition module do corresponding motion, specially：
Step 2.1 fan (1) is blown by natural wind, and fan (1) drives input shaft (2) to be rotated, and will rotation
Motion input is to motion input accelerating module；
Step 2.2 rotary motion is transferred to planet circular system by step 2.2 input shaft (2), and planet circular system is to this rotary motion
Accelerated；
Rotary motion of the step 2.3 Jing after step 2.2 acceleration is transferred to output shaft (15) by planet carrier (13), and will
Accelerated Rotary motion input is to movement output modular converter；
The rotary motion of step 2.3 is transferred to inclined plate (14) by step 2.4 output shaft (15) so that inclined plate
(14) card does card rotary motion, and slide bar (19) is tangent with inclined plate (14) card and is driven by card rotary motion
It is dynamic, so that slide bar (19) carries out straight reciprocating motion；
The straight reciprocating motion that step 2.4 is exported is transferred to base block (21), base block by step 2.5 slide bar (19)
(21) cantilever beam (22) is driven to move back and forth by the straight reciprocating motion of slide bar (19)；
Step 2.6 cantilever beam (22) is by straight reciprocating motion and then causes it to produce oscillation crosswise, and cantilever beam (22) is because of horizontal stroke
Buckling phenomenon is produced to vibration, the piezoelectric patches (23) covered on cantilever beam (22) produces change as cantilever beam (22) bends
Shape；
So far, piezoelectric patches (23) flexural deformation of Jing steps 2.6, produces and exports electric energy；
A kind of described broadband wind-induced vibration piezoelectric vibration energy harvester working environment wind speed is 0m/s-14m/s,
Fan (1) rotating speed is 0r/s-10r/s, inclined plate direction of rotation is clockwise, slide bar (19) straight reciprocating motion frequency range
It is 0Hz-240Hz for 0Hz-240Hz, cantilever beam (22) vibration frequency；
Wherein, r/s represents the unit of rotating speed：Revolution per second；M/s representation speed units：Metre per second (m/s)；Hz represents the list of frequency
Position：Hertz；
So far, from step one to step 2, a kind of broadband wind-induced vibration piezoelectric vibration energy harvester is completed
The course of work.
Beneficial effect
A kind of broadband wind-induced vibration piezo-electricity energy harvester, with existing wind-induced vibration piezo-electricity energy harvester phase
Than having the advantages that：
1. the utility model is in the environment of the change of wind energy low-speed high frequency, using planet circular system and (inclined plate-slide bar)
Component changes the forms of motion of energy so that (cantilever beam-piezoelectric patches) longitudinally perpendicular vibration of the different length of array arrangement, energy
Vibration bandwidth is enough effectively increased, Energy Maximization is made；
2. the utility model accelerates output using planet circular system to the rotary motion caused by the less wind energy of wind speed, fully simultaneously
Effectively gather low velocity wind energy in nature；
3. in addition to standard axle bearing member, part material used all adopts nylon material, one side part to have to the utility model
Good combination property, can reduce planet circular system rotary inertia, reduce input torque lower limit；On the other hand, nylon material friction
Coefficient is low, improves mechanism driving efficiency, is conducive to the highly effective gathering of wind energy；
4. a kind of broadband wind-induced vibration piezo-electricity energy harvester that the utility model is proposed can be with when implementing
Realize small size, cramped construction and be easy to the characteristics of installing and using in natural environment；
5. the utility model transmits the rotary motion that wind energy causes using planet circular system, is conducive to reducing the non-linear of device
Vibration, improves movement locus smoothness, reduces harvester and integrally trembles；
6. the utility model converts rotational motion to straight reciprocating motion using cam mechanism, and reduction causes because of vibration
Impact, so as to reduce the destruction to piezoelectric patches, extends the service life of piezoelectric patches.
Description of the drawings
Fig. 1 is a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and half planing surface in embodiment 1
Installation diagram；
Fig. 2 is a kind of broadband wind-induced vibration piezo-electricity energy harvester movement transmission structure figure of the utility model；
Fig. 3 is that a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and the solid in embodiment 1 are shown
It is intended to；
Fig. 4 is that a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and the motion in embodiment 1 are defeated
Enter accelerating module schematic perspective view；
Fig. 5 is the movement output of a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and embodiment 1
Modular converter schematic perspective view；
Fig. 6 is the energy acquisition of a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and embodiment 1
Module schematic perspective view；
Fig. 7 is the half planing surface dress of a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and embodiment 2
Figure；
Fig. 8 is the three-dimensional signal of a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and embodiment 2
Figure；
Fig. 9 is the half planing surface dress of a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and embodiment 3
Figure；
Figure 10 is the three-dimensional signal of a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and embodiment 3
Figure；
Figure 11 is energy acquisition in a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and embodiment 3
The three-dimensional schematic diagram of module；
Figure 12 is a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and half planing surface in embodiment 4
Installation diagram；Figure 13 is the three-dimensional signal of a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and embodiment 4
Figure；
Figure 14 is a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and the energy acquisition mould of embodiment 4
The schematic perspective view of block；
Figure 15 is a kind of broadband wind-induced vibration piezo-electricity energy harvester of the utility model and the energy acquisition mould of embodiment 4
The movement locus figure of block base block 0s to 0.05s；
Description of reference numerals：
In Fig. 1 A be motion input module, B be motion modular converter, C be energy acquisition module；Label in Fig. 1 to Figure 14
Unified, (1) is fan, and (2) are input shaft, and (3) are deep groove ball bearing, and (4) are shell, and (5) are internal messing little gear, and (6) are
Deep groove ball bearing, (7) are external toothing little gear, and (8) are deep groove ball bearing, and (9) are internal messing gear wheel, and (10) are short axle,
(11) it is external toothing gear wheel, (12) are deep groove ball bearing, (13) are planet carrier, and (14) are inclined plate, and (15) are output shaft,
(16) it is deep groove ball bearing, (17) are linear bearing, pedestal bent stick centered on (18), (19) are slide bar, (20) are connecting rod,
(21) it is base block, (22) are cantilever beam, (23) are piezoelectric patches, (24) are flat key A, (25) are flat key B, (26) are latch,
(27) be flat key C, flat key D (28).
Specific embodiment
It is new to this practicality with reference to the accompanying drawings and detailed description in order to fully understand the beneficial effects of the utility model
Type is described in detail.
Below detail is described in order to understand the utility model, but, the utility model can also use other
Implement different from other forms described below, therefore, protection domain of the present utility model is not by following public concrete
The restriction of embodiment.
Embodiment 1
Each group block motion form is as shown in Figure 1.
First it is that motion input accelerating module produces rotary motion, next to that movement output from the analysis of motion transfer theory
Modular converter exports straight reciprocating motion, carries out energy acquisition to straight reciprocating motion by energy acquisition module again；Motion is defeated
Enter interval of the motion of accelerating module, movement output modular converter and energy acquisition module within the unit interval very short, can be considered
Occur simultaneously within the unit interval, wherein, the unit interval is the second.
Wind blows fan (1) rotation, and so as to drive input shaft (2) to rotate, input shaft (2) drives internal messing little gear (5)
Rotary motion.External toothing little gear (7) is driven by internal messing little gear (5) and is rotated.Because external toothing little gear (7) with nibble outward
Close gear wheel (11) be all fixed in short axle (10), therefore two gear rotational speeds, turn to it is identical.External toothing gear wheel (11) and internal messing
Gear wheel (9) is engaged, because internal messing gear wheel (9) is fixed on shell (4), it is impossible to rotate, then to external toothing gear wheel
(11) reaction force is caused, makes external toothing gear wheel (11) accelerate to rotate.Short axle (10) fixes planet carrier (13) by bearing
On, short axle (10) drives planet carrier (13) to rotate, and by output shaft (15) rotary motion after accelerating is exported.
Wind energy Jing motion input accelerating module accelerates, and exports rotary motion, and by output shaft (15) movement output is transferred to
Modular converter.Inclined plate (14) is fixed on output shaft (15), then inclined plate (14) rotates, and the cunning of contact is put therewith
Bar (19) does therewith straight reciprocating motion.
Movement output modular converter converts rotational motion into straight reciprocating motion, exports to energy acquisition module.
Because connecting rod (20) links together shell (4), slide bar one (19) and slide bar two (19), and connecting rod (20) is
By shell 4) rotate centered on the central seat bent stick (18) of right side.Do when slide bar one (19) is rotated by inclined plate (14)
During high position motion, the slide bar one (19) promotes connecting rod (20) to incline to the direction of slide bar two (19).Slide bar two (19) is at upper one
Carve due to the rotation by inclined plate (14), be pushed into a high position, compressing is inclined by connecting rod (20) at this moment, to low level
Motion.Because inclined plate is rotated, slide bar one (19) is pushed to highest order, and slide bar two (19) is sent to minimum by connecting rod (20)
Position.Next moment, inclined plate (14) starts for slide bar two (19) to be pushed to a high position, and connecting rod (20) is by the force feed of slide bar one (19)
To low level.Realize moving back and forth with this.
The cantilever beam (22) of the sample different in size of base block (21) side arrangement vibrates therewith during straight reciprocating motion.
, by cantilever vibration of beam generation electric energy, electric energy is by circuit output, conveying due to constantly for the piezoelectric patches (23) pasted on cantilever beam
To memory cell.
A modules internal messing little gear (5) tooth number Z in the present embodimenta=90, outer internal messing little gear (7) tooth number Zb=30,
External toothing gear wheel (11) tooth number Zc=32, internal messing gear wheel (9) Zd=92, modulus m=1mm is then
Fan (1) rotating speed n1For 60r/min when, planet carrier (13) rotating speed n2For 1440r/min.
B module tilts disk (14) and output shaft (15) axis angle θ=60 ° in the present embodiment, inclined plate (14) is straight
Footpath D=65mm.
From transitive relation, planet carrier (13) rotating speed n2=inclined plate (14) rotating speed n3=slide bar (19) linear reciprocation
Times of exercise a.
In the present embodiment, fan (1) rotating speed n1For 60r/min when, planet carrier (13) rotating speed n2For 1440r/min.Slide bar
(19) straight reciprocating motion number of times is 1440 beats/min.
Two linear bearings (17) of shell (4) right-hand member are 35mm apart from l.Then can obtain (sliding according to relation as shown in Figure 2
Bar-base block) straight reciprocating motion stroke d.
To sum up shown, (slide bar-base block) straight reciprocating motion number of times is 1440 beats/min in the present embodiment, its straight line
Reciprocating stroke d is 20mm.
In the present embodiment, the different cantilever beam (22) of 6 block lengths, cantilever beam (22) table are installed in the single side of base block (21)
Corresponding piezoelectric patches is arranged in face.48 groups of (cantilever beam-piezoelectric patches) components are arranged altogether.Due to the length of each cantilever beam it is unequal, then its
The intrinsic frequency of vibration namely unequal, piezoelectric patches generation frequency bandwidth increases therewith.
This example demonstrates that, the utility model is in the environment of the change of wind energy low-speed high frequency, by increasing capacitance it is possible to increase effective shuttle belt
It is wide so that the efficiency of energy acquisition is substantially improved；The rotary motion caused to low wind speed wind energy accelerates output, and has carried out effectively
Energy acquisition.
Embodiment 2
As shown in Fig. 2 each group block motion form is with embodiment 1.
Motion input accelerating module internal messing little gear (5) tooth number Z in the present embodimenta=86, outer internal messing little gear (7)
Tooth number Zb=26, external toothing gear wheel (11) tooth number Zc=32, internal messing gear wheel (9) Zd=92, modulus m=1mm is then
Fan (1) rotating speed n1For 60r/min when, planet carrier (13) rotating speed n2For 462r/min.
Movement output modular converter inclined plate (14) and output shaft (15) axis angle θ=70 °, incline in the present embodiment
Disk (14) diameter D=65mm.
From transitive relation, planet carrier (13) rotating speed n2=inclined plate (14) rotating speed n3=slide bar (19) linear reciprocation
Times of exercise a.
In the present embodiment, fan (1) rotating speed n1For 60r/min when, planet carrier (13) rotating speed n2For 462r/min.Slide bar
(19) straight reciprocating motion number of times is 462 beats/min.
Two linear bearings (17) of shell (4) right-hand member are 40mm apart from l.Then can obtain (sliding according to relation as shown in Figure 2
Bar-base block) straight reciprocating motion stroke d.
To sum up shown, (slide bar-base block) straight reciprocating motion number of times is 462 beats/min in the present embodiment, and its straight line is past
Multiple movement travel d is 10.71mm.
In the present embodiment, the different cantilever beam (22) of 5 block lengths, cantilever beam (22) table are installed in the single side of base block (21)
Corresponding piezoelectric patches (23) is arranged in face.40 groups of (cantilever beam-piezoelectric patches) components are arranged altogether.Due to the length not phase of each cantilever beam (22)
Deng, then the intrinsic frequency namely unequal of its vibration, piezoelectric patches generation frequency bandwidth increases therewith.
In the present embodiment in addition to standard axle bearing member, part material used is processed with nylon material；On the one hand, Buddhist nun
Imperial material facilitate machine-shaping and with coefficient of friction it is low the characteristics of so that for the operation under different wind speed environments, may be selected
The number of teeth of each gear of different parameters, such as planet circular system, the angle of bevel of inclined plate；Meanwhile, nylon material is processed
Part there is good combination property, can reduce planet circular system rotary inertia, reduce input torque lower limit, effectively increase machine
Structure transmission efficiency, is conducive to the highly effective gathering of wind energy；Further, the present embodiment can also be realized building undersized compact knot
Structure in natural environment in order to installing and using.
Embodiment 3
As shown in figure 9, motion input accelerating module, movement output modular converter forms of motion are with embodiment 1.Expand energy
Acquisition module, increases energy acquisition amount, expands wind collecting frequency bandwidth, in being suitably applied in the natural environment of high wind speed.
The present embodiment movement output modular converter removes connecting rod (20), central seat bent stick (18).Increase spring, by it
Slide bar (19) is inserted in, spring one end is fixed on shell (4), the other end is fixed on slide bar (19) and base block (21) junction,
As shown in figure 11.Increase by two groups of (slide bar-base block) components, then totally four groups (slide bar-base block) components in the present embodiment.
Motion input accelerating module internal messing little gear (5) tooth number Z in the present embodimenta=90, outer internal messing little gear (7)
Tooth number Zb=30, external toothing gear wheel (11) tooth number Zc=34, internal messing gear wheel (9) Zd=94, modulus m=1mm is then
Fan (1) rotating speed n1For 60r/min when, planet carrier (13) rotating speed n2For 769r/min.
Movement output modular converter inclined plate (15) and output shaft (14) axis angle θ=80 °, incline in the present embodiment
Disk (15) diameter D=65mm.
From transitive relation, planet carrier (13) rotating speed n2=inclined plate (15) rotating speed n3=slide bar (19) linear reciprocation
Times of exercise a.
In the present embodiment, fan (1) rotating speed n1For 60r/min when, planet carrier (13) rotating speed n2For 769r/min.Slide bar
(19) straight reciprocating motion number of times is 769 beats/min.
Two linear bearings (17) of shell (4) right-hand member are 35mm apart from l.Then can obtain (sliding according to relation as shown in Figure 2
Bar-base block) straight reciprocating motion stroke d.
To sum up shown, (slide bar-base block) straight reciprocating motion number of times is 769 beats/min in the present embodiment, and its straight line is past
Multiple movement travel d is 6.17mm.
In the present embodiment, the different cantilever beam of 5 block lengths is installed in the single side of base block (21), totally 4 base blocks.Cantilever
The corresponding piezoelectric patches of beam (22) surface layout.80 groups of (cantilever beam-piezoelectric patches) components can be arranged.Due to the length not phase of each cantilever beam
Deng, then the intrinsic frequency namely unequal of its vibration, piezoelectric patches generation frequency bandwidth increases therewith.
The present embodiment takes planet circular system and cam mechanism transmission motion, i.e., transmit what wind energy caused using planet circular system
Rotary motion, is conducive to reducing the Non-Linear Vibration of device, improves movement locus smoothness, reduces harvester and integrally trembles；
So that the overall performance of whole piezo-electricity energy harvester is greatly improved.Further, by improving in device rear end
And add spring, and reduce the impact caused because of vibration, so as to reduce the destruction to piezoelectric patches, extend the service life of piezoelectric patches.
Additionally, the present embodiment is in the same manner as in Example 2, it is also possible to further reduce the volume of piezo-electricity energy harvester so as to which structure is more
Plus it is compact, be conducive to being installed and used in a variety of environment.
Embodiment 4
As shown in figure 12, each block motion form is with embodiment 1.Center base to energy acquisition module housing (4) right-hand member
Seat bending (18) bar is modified, and increases a bent stick, and is in 90 ° with first bent stick.Totally 4 groups (slide bar-base block)
Component, it is identical with energy acquisition module in embodiment 1 (shell-slide bar-connecting rod) assembly relation, increase slide bar in the present embodiment newly
(19) length will be grown than slide bar (19) length in embodiment 1, and other sizes are identical.
Motion input accelerating module internal messing little gear (5) tooth number Z in the present embodimenta=90, outer internal messing little gear (7)
Tooth number Zb=30, external toothing gear wheel (11) tooth number Zc=32, internal messing gear wheel (9) tooth number Zd=92, modulus m=1mm is then
Fan (1) rotating speed n1For 60r/min when, planet carrier (13) rotating speed n2For 1440r/min.
Movement output modular converter inclined plate (15) and output shaft (14) axis angle θ=75 °, incline in the present embodiment
Disk diameter D=65mm.
From transitive relation, planet carrier (13) rotating speed n2=inclined plate (15) rotating speed n3=slide bar (19) linear reciprocation
Times of exercise a.
In the present embodiment, fan (1) rotating speed n1For 60r/min when, planet carrier (13) rotating speed n2For 1440r/min.Slide bar
(19) straight reciprocating motion number of times is 1440 beats/min.
Two linear bearings of shell (4) right-hand member are 35mm apart from l.Then (slide bar-base can be obtained according to relation as shown in Figure 2
Saddle) straight reciprocating motion stroke d.
To sum up shown, the present embodiment (slide bar-base block) straight reciprocating motion number of times is 1440 beats/min, and its straight line is past
Multiple movement travel d is 12.74mm.
In the present embodiment, the different cantilever beam (21) of 6 block lengths, cantilever beam (22) table are installed in the single side of base block (21)
Corresponding piezoelectric patches (23) is arranged in face.Totally 4 base blocks, then arrange altogether 96 groups of (cantilever beam-piezoelectric patches) components.Due to each cantilever beam
(22) length is unequal, then the intrinsic frequency namely unequal of its vibration, and vibration frequency bandwidth is embodiment 1 in the present embodiment
Middle 2 times of bandwidth of vibration, effectively improves the collection of wind energy, is adapted to change greatly, in the unit interval in the big environment of wind speed in wind speed
Work.
This example demonstrates that the utility model is in the environment of the change of wind energy low-speed high frequency, using planet circular system and (inclination
Disk-slide bar) component change energy forms of motion so that array arrangement different length (cantilever beam-piezoelectric patches) longitudinal direction
Vertical vibration, can be effectively increased vibration bandwidth, make Energy Maximization, be embodied as：Vibration frequency band in the present embodiment
Wide is 2 times of bandwidth of vibration in embodiment 1, effectively improves the collection of wind energy, is adapted to change greatly in wind speed, wind speed in the unit interval
Work in big environment, fully realize that broadband vibration energy is gathered；Additionally, each part gone out in the present embodiment outside bearing is all adopted
Processed with nylon material, enlargement module and hoisting module performance are more convenient simple.
A specific embodiment of the present utility model is the foregoing is only, is not constituted to the utility model protection domain
Restriction.Any any variation, replacement made within thinking of the present utility model and principle etc., should be included in this practicality
Within new claims.
Claims (3)
1. a kind of broadband wind-induced vibration piezo-electricity energy harvester, it is characterised in that：
It is made up of motion input accelerating module, movement output modular converter and energy acquisition module；
Wherein, motion input accelerating module is by fan (1), input shaft (2), bearing A (3), internal messing little gear (5), bearing B
(6), external toothing little gear (7), short axle (10), bearing C (8), external toothing gear wheel (11), internal messing gear wheel (9), planet carrier
(13), bearings D (12), flat key A (24), flat key B (25), flat key C (27), flat key D (28), latch (26) and shell (4) composition；
Wherein, internal messing little gear (5), internal messing gear wheel (9), planet carrier (13) and planetary gear set be into planet circular system, OK
Star-wheel is again by external toothing little gear (7), short axle (10), external toothing gear wheel (11), bearing C (8) and flat key C (27) and flat key D
(28) constitute；Planetary gear is 3 groups, i.e. external toothing little gear (7), external toothing gear wheel (11), short axle (10), bearing C (8), flat
The quantity of key C (27) and flat key D (28) is 3；Short axle (10) axial cross section is that two ends are thin, middle thick, and centre has the section to be
Foursquare projection；
Planet carrier (13) one end is slightly long and has foursquare installing hole in its end face, referred to as thick long end, the thin short and end face of the other end
Smooth, referred to as thin short end is planetary gear installing rack in the middle of thick long end and thin short end, and installing rack totally 3 belongs to planet carrier (13)
Part；Installing rack is circumferential to be evenly arranged in 120 ° centered on planet carrier (13) axis；
One side of internal messing gear wheel (9) annular array centered on the gear center of circle arranges 6 and stretches out small column；Roundlet
Post is integrated with internal messing gear wheel (9)；Input shaft (2) one end end face is smooth, and N-Side surf has keyway；Other end end face is recessed
Groove, side is curved surface, is disposed with 6 pin holes and keyway；
Shell (4) mainly includes that motion input accelerates ante-chamber, abbreviation ante-chamber and movement output conversion back cavity, abbreviation back cavity and point
Dividing plate；Wherein, the internal diameter of ante-chamber is bigger than the internal diameter of back cavity；There is a central through hole A ante-chamber outer face；It is between ante-chamber and back cavity
Demarcation strip, there is a central through hole B on demarcation strip, and on ante-chamber side centered on central through hole B axle line 6 teeth of annular array
The fixed aperture of wheel；The rear resonator end surface of shell has a central through hole C, and have two it is symmetrical as center line with central through hole C axis
Linear bearing (17) installing hole, wherein, it is big that the diameter of central through hole C installs bore dia than linear bearing (17)；
Movement output modular converter is by output shaft (15), inclined plate (14), bearing E (16), linear bearing (17), central seat
Bent stick (18), slide bar (19) and connecting rod (20) composition；
Wherein, an end face of output shaft (15) is circle, and another end face is square；Slide bar (19) one end is smooth end
Face, one end is apicule shape, and tip is sphere；The point midway of connecting rod (20) has centre bore, and there is elongated hole midpoint both sides；
Energy acquisition module is made up of base block (21), cantilever beam (22) and piezoelectric patches (23)；Wherein, the one of base block (21)
There is protrusion quarter butt individual side；Cantilever beam (22) is different in size, and its quantity span is 1 to 15.
2. a kind of broadband wind-induced vibration piezo-electricity energy harvester as claimed in claim 1, is further characterized in that：
The assembly relation of each module is as follows in a kind of broadband wind-induced vibration piezo-electricity energy harvester：
Motion input module assemble sequence and installation relation are as follows in a kind of broadband wind-induced vibration piezo-electricity energy harvester：
Fan (1) location and installation is fixed on input shaft (2) to the smooth end of input shaft (2) using flat key A (24)；Input shaft
(2) the central through hole A of shell (4) ante-chamber outer face is positioned at by bearing A (3) assemblings；Internal messing little gear (5) adopts flat key
B (25) carries out radial positioning, carries out being axially positioned on the groove ends of input shaft (2) using latch (26)；
Planetary gear positioning assembly relation in motion input module is as follows：
External toothing little gear (7) side is alignd with short axle (10) one end shoulder, the centre bore and short axle of external toothing little gear (7)
(10) one end alignment coordinates, and is fixed by flat key C (27) positioning；Short axle (10) intermediate elevation installs bearing C (8), short axle
(10) by the hole of bearing C (8) location and installations to the installing rack of planet carrier (13)；External toothing gear wheel (11) side and short axle
(10) other end shoulder alignment, the centre bore of external toothing gear wheel (11) aligns cooperation with short axle (10) other end, and by putting down
Key D (28) positioning is fixed；3 groups of planetary gears are spaced 120 ° and are installed on the installing rack of planet carrier (13) with each group；
Internal messing gear wheel (9) side is using in the embedded shell (4) of small column；Planet carrier (13) taper end using bearing B (6) with it is defeated
Shaft (15) location fit, planet carrier (13) butt end is using bearings D (12) and shell (4) location fit, planet carrier (13) butt end
End face square opening assembling output shaft (15), and using pin fixed form；
Its middle (center) bearing A (3) inner rings and input shaft (2), shell (4) ante-chamber outer face central through hole A internal diameters and bearing A (3) outer ring,
Peace on bearing C (8) inner rings and short axle (10) mid diameter the best part, bearing C (8) outer rings and planet carrier (13) installing rack
Dress hole, bearing B (6) outer rings and input shaft (2) groove ends end-face central hole, bearing B (6) inner rings and planet carrier (13) taper end, axle
The cooperation for holding demarcation strip central through hole B, bearings D (12) inner ring and planet carrier (13) butt end in the middle of D (12) outer rings and shell (4) is closed
It is for interference fit；
The gearratio of planet circular system is calculated according to formula (a)：
Wherein, the gearratio of planetary gear, is designated asωaFor the angular speed of internal messing little gear (5), ωHFor planet carrier (13) angle
Speed, Za、Zb、Zc、ZdRespectively internal messing little gear (5) number of teeth, outer internal messing little gear (7) number of teeth, external toothing gear wheel
(11) the number of teeth, the number of teeth of internal messing gear wheel (9)；n1For rotation speed of the fan, n2For planet carrier rotating speed；
The positioning assemble sequence of movement output modular converter and installation in a kind of broadband wind-induced vibration piezo-electricity energy harvester
Relation is as follows：
Inclined plate (14) hot-melt adhesive is fixed on output shaft (15) centre position；Output shaft (15) circular end face stretches out shell
(4) back cavity outer face, by bearing E (16), afterwards resonator end surface realizes location fit to output shaft (15) with shell (4)；Slide bar (19) point
End curved surface is contacted with inclined plate (14) card point, and slide bar (19) axis is symmetric with shell (4) back cavity end-face central hole
Aperture axis alignment, and using linear bearing (17) positioning assemble；Central seat bent stick (18) is welded in shell (4) back cavity
Outer face center；On connecting rod (20) centre bore insertion central seat bent stick (18), by the way of pin positioning；Connecting rod
(20) elongated hole medial surface is tangent with the protrusion rod member in base block (21), by the way of pin positioning；
The straight reciprocating motion stroke of slide bar (19) is calculated according to formula (b)：
Wherein, the reciprocating motion of slide bar (19) is designated as d, l for the linear bearing installing hole of shell (4) back cavity outer face distance, θ
For inclined plate (14) and the angle of output shaft (15) axis, θ spans are 45 ° to 60 °；L spans are arrived for 20mm
60mm；
The positioning assembly relation of energy acquisition module is as follows in a kind of broadband wind-induced vibration piezo-electricity energy harvester：
It is circular one end that base block (21) is fixed on slide bar (19) end face；Base block (21) is perpendicular to shell (4) back cavity outer end
Side welding arrangement cantilever beam (22) in face, covers the piezoelectric patches (23) of corresponding length on each cantilever beam face.
3. a kind of broadband wind-induced vibration piezo-electricity energy harvester as claimed in claim 1, is further characterized in that：
The function of each module is as follows in a kind of broadband wind-induced vibration piezoelectric vibration energy harvester：
Again rotary motion is accelerated by planet circular system, and export the rotary motion after accelerating, direction of rotation is constant；
The function of movement output modular converter includes：Output shaft (15) communicates rotational motion to inclined plate (14), inclines circle
Disk (14) card does straight reciprocating motion with slide bar (19) tip sphere tangential motion, slide bar (19) with card, realizes rotation fortune
It is dynamic to be converted to straight reciprocating motion；Central seat bent stick (18) support link (20), makes connecting rod (20) with central seat bending
Centered on the axis of bar (18), control slide bar (19) apicule end ball curved surface is tangent all the time with the card of inclined plate (14)；
The function of energy acquisition module includes：Base block (21) does straight reciprocating motion with slide bar (19)；Cantilever beam (22) is straight
Line realizes vibration in moving back and forth；Piezoelectric patches (23) deformation that cantilever beam (22) upper surface pastes, and electric energy is produced, so as to realize
Energy acquisition；
Wind energy is converted to by the functional realiey of motion input accelerating module, movement output modular converter and energy acquisition module
Electric energy.
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| CN201620753043.1U CN206144709U (en) | 2016-07-16 | 2016-07-16 | Broadband charming appearance and behaviour vibrocast electric flux collection system |
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050572A (en) * | 2016-07-16 | 2016-10-26 | 北京工业大学 | Broadband wind-induced vibration piezoelectric energy collector |
| CN109799396A (en) * | 2019-01-21 | 2019-05-24 | 北京工业大学 | The experimental provision and its application method of vortex-induced vibration piezoelectric harvester in water flow |
| CN107956646B (en) * | 2017-12-28 | 2023-04-28 | 西南交通大学 | Piezoelectric wind energy acquisition device applied to high-voltage power grid |
-
2016
- 2016-07-16 CN CN201620753043.1U patent/CN206144709U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050572A (en) * | 2016-07-16 | 2016-10-26 | 北京工业大学 | Broadband wind-induced vibration piezoelectric energy collector |
| CN107956646B (en) * | 2017-12-28 | 2023-04-28 | 西南交通大学 | Piezoelectric wind energy acquisition device applied to high-voltage power grid |
| CN109799396A (en) * | 2019-01-21 | 2019-05-24 | 北京工业大学 | The experimental provision and its application method of vortex-induced vibration piezoelectric harvester in water flow |
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