CN109391171A - A kind of wind-induced vibration piezoelectricity electromagnetism combined generating device - Google Patents
A kind of wind-induced vibration piezoelectricity electromagnetism combined generating device Download PDFInfo
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- CN109391171A CN109391171A CN201811355778.9A CN201811355778A CN109391171A CN 109391171 A CN109391171 A CN 109391171A CN 201811355778 A CN201811355778 A CN 201811355778A CN 109391171 A CN109391171 A CN 109391171A
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- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 230000033001 locomotion Effects 0.000 claims abstract description 55
- 230000005284 excitation Effects 0.000 claims abstract description 43
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims abstract description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 230000006870 function Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 229920002595 Dielectric elastomer Polymers 0.000 claims description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 2
- 230000005415 magnetization Effects 0.000 claims description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000035807 sensation Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 230000003534 oscillatory effect Effects 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 229910002551 Fe-Mn Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- 238000005138 cryopreservation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000423 heterosexual effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
Abstract
The invention discloses a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device, wind wheel is arranged symmetrically in its shaft, and big sprocket wheel is driven by chain-driving minor sprocket；Eccentric segment installs sliding rail link mechanism on crankshaft, and adjacent sliding rail link mechanism end is bonded the excitation permanent magnet for being magnetic opposite；Variable cross-section flexible piezoelectric material cantilever lever one end is fixedly mounted on the centre of adjacent sliding rail link mechanism, and free end, which is bonded with, is excited permanent magnet；Electromagnetic induction coil is fixedly mounted on connecting rod linear reciprocating motion path.Wind drive sliding-block linkage does linear reciprocating motion, and cantilever lever occurs substantially to vibrate under the action of the alternate magnetic force of the left and right sides, and deformation occurs for flexible piezoelectric material, produces electricl energy.The present invention can be using the low-frequency vibration under low wind speed environments, and the material deformation of variable cross-section piezoelectricity flexible material cantilever lever is more uniform, and vibration frequency band is wider, and vibration deformation is bigger, and energy conversion efficiency and generated energy have bright promotion.
Description
Technical field
The present invention is a kind of wind-induced vibration piezoelectricity-Electromagnetic heating power generator, can effectively acquire wind energy and be converted into electric energy,
Belong to piezo-electric generating and regenerated environment protecting new energy field.
Background technique
With progress of the epoch, the development of society, energy requirement seeks new energy and utilizes Regenerated energy growing day by day
Source is essential.Wind energy can be converted as the renewable energy in environment, rich reserves by energy conversion device
At electric energy, this free of contamination renewable energy has become the common recognition of the whole society at the aspect that promotes the well-being of mankind.Simultaneously with wireless
The further investigation and extensive use of sensor, how for wireless sensor realize continued power have become wireless sensor field
Hot issue.
The present invention has the power source of many power generator using the renewable energy such as wind energy, water energy, solar energy, benefit before
Electric energy is converted by the mechanical energy of vibration with the direct piezoelectric effect of piezoelectric material.But current wind power piezoelectric generation device is adopted more
Big by air speed influence with cantilever beam structure, generated energy is small, and forms of electricity generation is single, and energy conversion efficiency is low, energy conversion effect
Difference.
(1) invention of 104426423 A of Publication No. CN, entitled " a kind of energy collecting device and collection method " are public
A kind of piezoelectric energy collection method and device using wind energy is opened, it is rotated using wind energy drive shaft, the bulge-structure on axis
Periodically impact cantilever beam, periodically vibrates so as to cause cantilever beam, so that the piezoelectric patches deformation on cantilever beam generates electricity
Energy.But the invention, in the environment of low wind speed, impact effect is insufficient to allow cantilever beam to generate vibration, piezoelectric patches enough and can not generate
More energy.
(2) 103812383 A of Publication No. CN, the invention of entitled " a kind of wind-induced vibration piezoelectric energy collecting device "
Disclose a kind of device using wind-force piezo-electric generating.The invention by rotate fan flabellum stir with flabellum have it is certain overlapping
The triangle piezoelectric cantilever of amount, so that cantilever beam generates vibration, piezoelectric patches, which deforms, exports electric energy.Inventive structure letter
It is single, it is at low cost.But low wind speeds, cantilever beam are not susceptible to vibrate, by impact strong collision can be occurred for cantilever beam when high wind speed,
It is easy to cause piezoelectric patches to fall off, reduces the power generator service life.
(3) 107605663 A of Publication No. CN, the hair of entitled " a kind of broadband wind-induced vibration piezoelectric generating device "
It is bright to disclose a kind of device using wind-force piezo-electric generating.The invention drives crank block device reciprocating linear fortune by wind wheel
Dynamic, on sliding block and cantilever beam end has heterosexual magnet, vibrates cantilever beam by back and forth repelling magnetic force, piezoelectric patches deformation
Export electric energy.The invention uses conventional cantilever beam vibrating power-generation, and forms of electricity generation is single, and V belt translation easily skids, and V belt translation
Installation needs pretightning force, and energy loss is big in power generation process.
(4) 108390588 A of Publication No. CN, a kind of entitled " wind-power electricity generation based on piezoelectricity and Electromagnetic generation technology
The patent of invention of device " discloses a kind of device using wind-force piezo-electric generating.The invention is flowed through non-in cavity by wind energy
Streamlined hydrodynamic form generates unstable air-flow, so that power is swashed in the whirlpool for generating periodically pulsing, excitation metal substrate vibrates,
Induction coil cutting magnetic induction line exports electric energy simultaneously for piezoelectric patches deformation.Since the formation that power is swashed in period pulsation whirlpool is influenced by wind speed
It is larger, therefore the invention is not susceptible to periodic vibration, generating effect wind-engaging speed limit system.
The application and invention patent publication number are the essential area of 104426423 A of CN, 103812383 A of Publication No. CN
Be not: 1. driver units of the invention are not in contact with cantilever design, but are occurred by alternate magnetic force excitation cantilever arm structure
Vibration, it is small by air speed influence.2. the present invention accelerates speed of crankshaft by the cooperation of big minor sprocket using chain conveyer mode, increased with this
The linear reciprocating motion speed of permanent magnet improves alternate magnetic force driving frequency, so as to improve wind collecting efficiency.3. of the invention
Excitation permanent magnet under the drive of wind energy, will be reciprocated through electromagnetic coil cutting magnetic induction line, realize electromagnetic induction power generation.
The application and invention patent publication number are 104426423 A of CN, 103812383 A of Publication No. CN, publication number
Essential distinction for 107605663 A of CN, 108390588 A of Publication No. CN is: the present invention uses variable cross-section flexible piezoelectric
Material cantilever lever is as cantilever member, under the action of motivating space alternate magnetic force caused by permanent magnet linear reciprocating motion,
Violent oscillatory motion occurs in space for flexible structure cantilever lever, and generation is significantly deformed, produced electricl energy by flexible piezoelectric material.Together
When, excitation permanent magnet will be reciprocated through electromagnetic coil cutting magnetic induction line, generate electromagnetic induction phenomenon and realize piezoelectricity-Electromagnetic heating hair
Electricity.
The present invention overcomes disadvantage mentioned above, is dedicated to proposing that one kind is based on flexible piezoelectric material, and, vibration small by air speed influence
Characteristic is good and violent oscillatory motion can occur in space, has revolving speed acceleration function and generated energy is big, power generation mode is diversified, uses
The wind-induced vibration piezoelectricity electromagnetism combined generating device of service life length.
Summary of the invention
It is small by air speed influence that the purpose of the present invention is to propose to one kind, using flexible structure electricity generation material, can occur in space
Violent oscillatory motion, generated energy is big and power generation mode is diversified, energy conversion efficiency height and wind-induced vibration piezoelectricity with long service life
Electromagnetic heating power generator.
Core of the invention technical characterstic are as follows: wind wheel collects wind energy and then is converted into rotating mechanical energy, passes through chain
Be driven the cooperation of big minor sprocket to accelerate rotary motion, and transmit rotary movement on crankshaft, have on crankshaft four sections partially
Heart section, the installing connecting rods slide block mechanism in every section of eccentric part of crankshaft, linkage rod slide block mechanism are separately mounted to by adjacent eccentric section
Upper and lower eccentric position, such arrangement can guarantee that, in crankshaft rotation, adjacent eccentric section linkage rod slide block mechanism is in 180 ° of phases
Difference does linear reciprocating motion.Flexible piezoelectric material cantilever lever is installed respectively among adjacent eccentric section.Excitation permanent magnet is mounted on
Linkage rod slide block mechanism end is excited permanent magnet and is mounted on cantilever lever free end, on excitation permanent magnet linear reciprocating motion track
Arrange fixed electromagnetic induction coil.Under the alternate magnetic force of excitation permanent magnet, space oscillations deformation will occur for cantilever lever, generate
Piezoelectric effect exports electric energy.Excitation permanent magnet reciprocates through inside electromagnetic induction coil, generates electromagnetic induction, exports electric energy.
The technical solution adopted by the present invention is that a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device, including pedestal (1),
It is fixed with crankshaft support (17) and sliding rail rack (3) by support chip (2) on pedestal (1), crankshaft support is equipped with rolling on (17)
Dynamic bearing (14) and crankshaft (13), there is four sections of eccentric segments on crankshaft (13), are equipped with minor sprocket by axle sleeve in the middle part of crankshaft (13)
(19).It is equipped with big sprocket wheel bracket (10), input shaft (9) is installed on big sprocket wheel bracket (10) and rolls on sliding rail rack (3)
Dynamic bearing (7).Input shaft (9) in the middle part of be equipped with big sprocket wheel (6), input shaft (9) two sides respectively symmetrically install there are two wind
It takes turns (5).Big sprocket wheel (6) and minor sprocket (19) are coupled by chain (8).The upper every section of eccentric segment of crankshaft (13) is separately installed with
Linkage rod slide block mechanism, linkage rod slide block mechanism are made of sliding block (11) and connecting rod (12).Linkage rod slide block mechanism is separately mounted to crankshaft
(13) eccentric position up and down of adjacent eccentric section on.Excitation permanent magnet (18) is bonded in sliding rail link mechanism end.It is motivating
On permanent magnet (18) straight reciprocating motion path, a pair of of electromagnetic coil (16) is fixedly mounted by coil brace (21).In sliding rail
Variable cross-section flexible piezoelectric material cantilever lever (4) are fixedly mounted on bracket (3), cantilever lever (4) is arranged in the adjacent inclined of crankshaft (13)
Among heart section, cantilever lever (4) end, which is bonded with, is excited permanent magnet (15).
A kind of wind-induced vibration piezoelectricity electromagnetism combined generating device includes movement input accelerating module, movement output conversion module
It is formed with energy acquisition module, the composition component and function of each module are as follows:
The composition component and function of movement input accelerating module include: to acquire wind energy by wind wheel (5), and will be collected
Wind energy is transmitted to input shaft (9), and input shaft (9), which is connected by key, drives big sprocket wheel (6) rotation, and big sprocket wheel (9) passes through chain
Item (8) drives minor sprocket (19) to realize acceleration rotation, and minor sprocket (19) is connected by key band dynamic crankshaft (13) and rotates, described above
Each component component movement inputs accelerating module.
Movement output conversion module composition component and function include: that crankshaft (13) drive linkage rod slide block mechanism to realize sliding block
(11) and the linear reciprocating motion of connecting rod (12).Each component described above forms movement output conversion module.
The composition component and function of energy acquisition module include: that with linkage rod slide block mechanism to do straight line past for excitation permanent magnet (18)
Vibration is realized in the effect for being excited permanent magnet (15) excited target permanent magnet (18) of multiple movement, cantilever lever (4) free end, is motivated simultaneously
When permanent magnet (18) moves in a straight line, it is reciprocated through the inside of electromagnetic induction coil (16).Each component described above forms energy
Acquisition module.
The assembly of movement input accelerating module and installation relation are as follows:
Wind wheel (5) is symmetrically mounted on the both ends of input shaft (9), and is fixed on input shaft (9) using key connection
On, input shaft (9) is positioned in the through-hole of big sprocket wheel bracket (10) by rolling bearing (7) assembly.Big sprocket wheel bracket (10)
It is fixedly mounted on sliding rail rack (3) by locating piece.Sliding rail rack (3) is fixedly mounted on pedestal (1) by locating piece, and two
A crankshaft support (17) is symmetrically mounted on pedestal (1) by locating piece, and crankshaft (13) passes through rolling bearing (14) assembly positioning
In the through-hole of crankshaft support (17).Minor sprocket (19) is connected by key the middle position for being fixed on crankshaft (13), big sprocket wheel (6)
It is coupled with minor sprocket (19) by chain (8), forms chain conveyer assembly relation.
The assembly of movement output conversion module and installation relation are as follows:
Connecting rod (12) is connect by pin (20) with sliding block (11) and is coupled composition linkage rod slide block mechanism, crankshaft (13)
The through-hole at the connecting rod (12) of eccentric segment and linkage rod slide block mechanism end is coupled by pin connection.
The assembly of energy acquisition module and installation relation are as follows:
Excitation permanent magnet (18) is bonded in the end of linkage rod slide block mechanism, is excited permanent magnet (15) and is bonded in cantilever lever (4)
Free end, variable cross-section flexible piezoelectric material cantilever lever (4) are fixedly mounted in the through-hole of sliding rail rack (3) by jackscrew.Swashing
Electromagnetic induction coil (16) are fixedly mounted in the underface for encouraging permanent magnet (18).
The concrete function of energy collection module includes: the excitation permanent magnet (18) of linkage rod slide block mechanism end with crankshaft
(13) straight reciprocating motion is done, permanent magnet (15) is excited in straight reciprocating motion by alternate magnetic force in cantilever lever (4) free end
Effect realize vibration, the piezoelectric material on cantilever lever (4) deforms, and produces electricl energy.The excitation of linkage rod slide block mechanism end
Permanent magnet (18) is reciprocated through electromagnetic induction coil (16) inside when moving in a straight line, electromagnetic induction phenomenon occurs, produces electricl energy.
The course of work are as follows: wind wheel (5) drives input shaft (9) rotation under the action of the forces of the wind, passes through the big chainlet of chain conveyer
Wheel cooperation accelerates rotary motion, and transmits rotary movement on crankshaft (13), there is four sections of bias on crankshaft (13)
Section, the installing connecting rods slide block mechanism in crankshaft (13) every section of eccentric part, linkage rod slide block mechanism are separately mounted on crankshaft (13)
The eccentric position up and down of adjacent eccentric section realizes that the linkage rod slide block mechanism of adjacent eccentric section does reciprocating linear fortune in 180 ° of phase differences
It is dynamic.Flexible piezoelectric material cantilever lever (4) is installed respectively among adjacent eccentric section.Excitation permanent magnet (18) is mounted on connecting rod slider
Mechanism end is excited permanent magnet (15) and is mounted on cantilever lever (4) free end, in excitation permanent magnet (18) linear reciprocating motion track
The fixed electromagnetic induction coil (16) of upper arrangement.Under the alternate magnetic force of excitation permanent magnet (18), cantilever lever (4) will occur empty
Between vibration deformation, export electric energy.Excitation permanent magnet (18) reciprocates through inside electromagnetic induction coil, generates electromagnetic induction, output
Electric energy.
Wind wheel (5) is arranged symmetrically on the spindle nose at input shaft (9) both ends, and the number of blade of wind wheel (5) is three and two
The direction blade of wind wheel is consistent.
Variable cross-section flexible piezoelectric material cantilever lever is placed in the middle position plug hole of crankshaft (13) eccentric segment adjacent two-by-two
(4), and crankshaft (13) two sides are arranged in, arrange six roots of sensation cantilever lever (4) altogether.The material of cantilever lever (4) is dielectric bullet
Property body.
It, need to be to guarantee that the excitation permanent magnet (18) of cantilever lever (4) two sides does the linear reciprocating motion that phase difference is 180 °
Per the installing connecting rods slide block mechanism of eccentric part up and down of adjacent eccentric section two-by-two on crankshaft (13).
For the spatial vibration amplitude for improving cantilever lever (4), i.e. raising generating effect, each piezoelectric cantilever bar should ensure that
(4) permanent magnet (15) is excited in side by attraction in end, the other side should be ensured that adjacent sliding rail connecting rod machine by repulsive force
Excitation permanent magnet (18) polarity of structure end on the contrary, and the direction of magnetization in the horizontal direction.
The reciprocating motion guide rail of (3) is cylindrical surface guide rail on sliding rail rack.
The material for being excited permanent magnet (15) of excitation permanent magnet (18) and cantilever lever (4) free end on sliding rail rack (3)
It is neodymium iron boron.
Compared with prior art, the present invention has the advantages that.
1, the present invention accelerates to export using chain conveyer to rotary motion caused under lower wind speed, and transmission efficiency is high, can be
It works in low-speed heave-load and hot conditions and outdoor equal poor environments.
2, piezoelectric cantilever bar of the present invention using a kind of variable cross-section flexible piezoelectric material, variable cross-section flexible piezoelectric material cantilever
Bar, can be in three-dimensional space all directions violent oscillatory motion, to improve generating effect under the action of alternate magnetic force.
3, present invention offset segment up and down adjacent two-by-two on crankshaft installs sliding rail link mechanism, realizes two two-phases on crankshaft
Two sliding rail link mechanisms of adjacent crankshaft section realize the linear reciprocating motion of 180 ° of phase differences.And guarantee that cantilever lever side is inhaled
Draw magnetic force, side is by repulsion magnetic force.To maximize effect under the action of alternate magnetic force, the amplitude of cantilever lever is improved, improves hair
Electric effect.
4, the present invention utilizes electromagnetic induction phenomenon, and electromagnetic induction coil is arranged in the linear reciprocating motion of sliding rail connecting rod
On path, it is bonded excitation permanent magnet in sliding rail connecting rod end, to guarantee that permanent magnet is motivated to reciprocate through sense in linear motion
Coil inside is answered, electromagnetic induction phenomenon is generated, to realize piezoelectricity electromagnetism compound power-generating, improves generating effect.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of piezoelectricity electromagnetism combined generating device of the present invention；
Fig. 2 is the schematic perspective view that conversion module is moved in a kind of piezoelectricity electromagnetism combined generating device of the present invention；
Fig. 3 is the scheme of installation of crankshaft and sliding rail link mechanism in a kind of piezoelectricity electromagnetism combined generating device of the present invention；
Fig. 4 is crankshaft schematic perspective view in a kind of piezoelectricity electromagnetism combined generating device of the present invention；
Fig. 5 is sliding rail link mechanism schematic perspective view in a kind of piezoelectricity electromagnetism combined generating device of the present invention；
In figure, 1 is pedestal, and 2 be support chip, and 3 be sliding rail rack.4 be variable cross-section flexible piezoelectric material cantilever lever, and 5 be wind
Wheel, 6 be big sprocket wheel, and 7 be rolling bearing, and 8 be chain, and 9 is input shaft, and 10 be wind wheel support, and 11 be sliding block, and 12 be connecting rod,
13 be crankshaft, and 14 be rolling bearing, and 15 is are excited permanent magnet, and 16 be electromagnetic induction coil, and 17 be crankshaft support, and 18 be to motivate forever
Magnet, 19 be minor sprocket, and 20 be pin, and 21 be electromagnetic induction coil bracket.
Specific embodiment
In order to fully understand beneficial effects of the present invention, the present invention is made into one with specific embodiment with reference to the accompanying drawing
Step describes in detail, which for explaining only the invention, does not constitute protection scope of the present invention and limit.
Embodiment: as shown in Figures 1 to 5, a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device, the pedestal (1) is led to
Support chip (2) is crossed to connect with sliding rail rack (3)；The wind wheel support (12) is mounted on above sliding rail rack (3), the crankshaft
Support (17) is mounted on pedestal (1)；The input shaft (9) is fitted to wind wheel support (10) by rolling bearing (7)
On.Wind wheel (5) is mounted on input shaft (9) both ends；The big sprocket wheel (6) is mounted in input shaft (9) by flat key connection
Portion；The crankshaft (13) is coupled on crankshaft support (17) by rolling bearing (14).The sliding rail link mechanism is pacified respectively
On crankshaft (13), hingedly cooperate with the eccentric segment on crankshaft (13), and the semicolumn sliding surface of sliding rail link mechanism with
The internal guide rail contact cooperation of sliding rail rack (3).Connecting rod (12) the end bonding excitation permanent magnet of the sliding rail link mechanism
(18), and electromagnetic induction coil bracket (21) is mounted on the underface for motivating permanent magnet (18), and electromagnetic induction coil (21) is solid
Dingan County is mounted in electromagnetic induction coil bracket (21) top.The minor sprocket (19) is mounted in the middle part of crankshaft (13) by axle sleeve, and
And by chain (8), it is coupled with big sprocket wheel (6), forms chain conveyer.Described variable cross-section flexible material cantilever lever (4) one end
It is fixedly mounted in the through-hole of sliding rail rack (3), the other end, which is bonded with, is excited permanent magnet (15), and guarantees cantilever lever (4) freely
The middle position be excited permanent magnet (15) and be in two pieces of adjacent actuators permanent magnets (18) at end.Variable cross-section flexibility is pressed by conducting wire
When electric material cantilever lever (4) vibrates and the electric energy generated when electromagnetic induction occurs for electromagnetic induction coil (16), is delivered to energy storage
Cryopreservation device.
Wind wheel described in this example is arranged symmetrically on the spindle nose of input both ends of the shaft, and the number of blade of wind wheel is 3 and two
The direction blade of wind wheel is consistent.
The material of chain transmission and sprocket wheel described in this example is steel.
Crankshaft described in this example has four sections of eccentric segments, and every section of crankshaft eccentric section is arranged above and below by neighbouring relations two-by-two.Even
Bar slide block mechanism is separately mounted at every section of eccentric segment on crankshaft.When wind drives wind wheel, the adjacent segment that is mounted on crankshaft
Linkage rod slide block mechanism does reciprocal alternate straight movement by 180 ° of phase differences.
Linkage rod slide block mechanism described in this example is made of semi-circular cross-section strip sliding block and connecting rod, and connecting rod is mounted on crankshaft
Eccentric segment, the semi-cylindrical of sliding block are in contact with the semi-cylindrical guide rail on bracket, and sliding block and connecting rod are made up of pin connection and slide
Block guide rail mechanism.
Cantilever lever described in this example is variable cross-section flexible piezoelectric material cantilever lever, and material is dielectric elastomer.
The left and right sides polarity for being excited permanent magnet of cantilever lever free end described in this example is different, and the excitation of connecting rod end is forever
Polarity is different at left and right sides of magnet, and the polarization direction of all permanent magnets is horizontal direction, need to guarantee to be excited permanent magnet by left and right
The opposed polarity magneticaction of two sides excitation permanent magnet.
The excitation permanent magnet for being excited permanent magnet and linkage rod slide block mechanism end of cantilever lever free end described in this example
Material is Ru-Fe-Mn.
Straight line of the electromagnetic induction coil fixed placement described in this example in the excitation permanent magnet of linkage rod slide block mechanism end
On motion profile, and motivate permanent magnet can be back and forth by inside electromagnetic induction coil.
In the present embodiment, wind wheel (5) drives input shaft (9) rotation under the action of the forces of the wind, passes through the big chainlet of chain conveyer
Wheel cooperation accelerates rotary motion, and transmits rotary movement on crankshaft (13), there is four sections of bias on crankshaft (13)
Section, the installing connecting rods slide block mechanism in crankshaft (13) every section of eccentric part, linkage rod slide block mechanism are separately mounted on crankshaft (13)
The eccentric position up and down of adjacent eccentric section realizes that the linkage rod slide block mechanism of adjacent eccentric section does reciprocating linear fortune in 180 ° of phase differences
It is dynamic.Flexible piezoelectric material cantilever lever (4) is installed respectively among adjacent eccentric section.Excitation permanent magnet (18) is mounted on connecting rod slider
Mechanism end is excited permanent magnet (15) and is mounted on cantilever lever (4) free end, in excitation permanent magnet (18) linear reciprocating motion track
The fixed electromagnetic induction coil (16) of upper arrangement.Under the alternate magnetic force of excitation permanent magnet (18), cantilever lever (4) will occur empty
Between vibration deformation, export electric energy.Excitation permanent magnet (18) reciprocates through inside electromagnetic induction coil, generates electromagnetic induction, output
Electric energy.
In conclusion a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device of the present invention and traditional wind-induced vibration generate electricity and fill
Comparison is set, can widen vibration bandwidth, flexible material using the low-frequency vibration in low wind speed environments, variable cross-section cantilever rod structure
Material bar of variable cross-section can increase vibration deformation degree, and using the generation mode of piezoelectricity Electromagnetic heating, wind collecting efficiency and
Generated energy, which all has, to be significantly improved, and can adapt to the working method under adverse circumstances, safeguards simple long service life.
Although above in conjunction with figure, invention has been described, and the invention is not limited to above-mentioned specific embodiment parties
Formula, the above mentioned embodiment is only schematical, rather than restrictive, the case where not departing from present inventive concept
Under, many variations can also be made, these belong to protection category of the invention.
Claims (10)
1. a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device, which is characterized in that including pedestal (1), pedestal passes through branch on (1)
Blade (2) is fixed with crankshaft support (17) and sliding rail rack (3), and rolling bearing (14) and crankshaft are equipped on crankshaft support (17)
(13), there are four sections of eccentric segments on crankshaft (13), crankshaft (13) middle part is equipped with minor sprocket (19) by axle sleeve；Sliding rail rack (3)
On be equipped with big sprocket wheel bracket (10), input shaft (9) and rolling bearing (7) is installed on big sprocket wheel bracket (10)；Input turns
Be equipped with big sprocket wheel (6) in the middle part of axis (9), input shaft (9) two sides respectively symmetrically install there are two wind wheel (5)；Big sprocket wheel (6) and
Minor sprocket (19) is coupled by chain (8)；The upper every section of eccentric segment of crankshaft (13) is separately installed with linkage rod slide block mechanism, connecting rod
Slide block mechanism is made of sliding block (11) and connecting rod (12)；Linkage rod slide block mechanism is separately mounted to adjacent eccentric section on crankshaft (13)
Upper and lower eccentric position；Excitation permanent magnet (18) is bonded in sliding rail link mechanism end；In excitation permanent magnet (18) linear reciprocation
On motion path, a pair of of electromagnetic coil (16) is fixedly mounted by coil brace (21)；It is fixedly mounted and becomes on sliding rail rack (3)
Section flexible piezoelectric material cantilever lever (4), cantilever lever (4) are arranged among the adjacent eccentric section of crankshaft (13), cantilever lever (4) end
End, which is bonded with, is excited permanent magnet (15).
2. a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device according to claim 1, which is characterized in that the device by
Movement input accelerating module, movement output conversion module and energy acquisition module composition；
In movement input accelerating module, wind energy is acquired by wind wheel (5), and collected wind energy is transmitted to input shaft (9),
Input shaft (9), which is connected by key, drives big sprocket wheel (6) rotation, and big sprocket wheel (9) drives minor sprocket (19) to realize by chain (8)
Accelerate rotation, minor sprocket (19) is connected by key band dynamic crankshaft (13) and rotates；
In movement output conversion module, crankshaft (13) drive linkage rod slide block mechanism realize sliding block (11) and connecting rod (12) it is reciprocal directly
Line movement；
In energy acquisition module, permanent magnet (18) is motivated to do straight reciprocating motion, cantilever lever (4) free end with linkage rod slide block mechanism
The effect for being excited permanent magnet (15) excited target permanent magnet (18) realize vibration, while permanent magnet (18) being motivated to move in a straight line
When, it is reciprocated through the inside of electromagnetic induction coil (16)；Each component described above forms energy acquisition module.
3. a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device according to claim 2, which is characterized in that movement input
The assembly of accelerating module and installation relation are as follows:
Wind wheel (5) is symmetrically mounted on the both ends of input shaft (9), and is fixed in input shaft (9) using key connection, input
Shaft (9) is positioned in the through-hole of big sprocket wheel bracket (10) by rolling bearing (7) assembly；Big sprocket wheel bracket (10) passes through positioning
Block is fixedly mounted on sliding rail rack (3)；Sliding rail rack (3) is fixedly mounted on pedestal (1) by locating piece, two crankshaft branch
Seat (17) is symmetrically mounted on pedestal (1) by locating piece, and crankshaft (13) is positioned at crankshaft branch by rolling bearing (14) assembly
In the through-hole of seat (17)；Minor sprocket (19) is connected by key the middle position for being fixed on crankshaft (13), big sprocket wheel (6) and minor sprocket
(19) it is coupled by chain (8), forms chain conveyer assembly relation；
The assembly of movement output conversion module and installation relation are as follows:
Connecting rod (12) is connect by pin (20) with sliding block (11) and is coupled composition linkage rod slide block mechanism, crankshaft (13) eccentric segment
The through-hole held with the connecting rod (12) of linkage rod slide block mechanism is coupled by pin connection；
The assembly of energy acquisition module and installation relation are as follows:
Excitation permanent magnet (18) is bonded in the end of linkage rod slide block mechanism, is excited permanent magnet (15) and is bonded in cantilever lever (4) freely
End, variable cross-section flexible piezoelectric material cantilever lever (4) are fixedly mounted in the through-hole of sliding rail rack (3) by jackscrew；It is motivating forever
Electromagnetic induction coil (16) are fixedly mounted in the underface of magnet (18)；
The concrete function of energy collection module includes: that the excitation permanent magnet (18) of linkage rod slide block mechanism end is done directly with crankshaft (13)
Line moves back and forth, and permanent magnet (15) is excited in straight reciprocating motion by the effect reality of alternate magnetic force in cantilever lever (4) free end
It now vibrates, the piezoelectric material on cantilever lever (4) deforms, and produces electricl energy；The excitation permanent magnet of linkage rod slide block mechanism end
(18) it is internal that it is reciprocated through electromagnetic induction coil (16) when moving in a straight line, electromagnetic induction phenomenon occurs, produces electricl energy.
4. a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device according to claim 1, which is characterized in that wind wheel (5)
Input shaft (9) rotation is driven under the action of the forces of the wind, is accelerated rotary motion by the big minor sprocket cooperation of chain conveyer, and
And transmit rotary movement on crankshaft (13), there are four sections of eccentric segments on crankshaft (13), in crankshaft (13) every section of eccentric part
Installing connecting rods slide block mechanism, linkage rod slide block mechanism are separately mounted to the eccentric position up and down of adjacent eccentric section on crankshaft (13), real
The linkage rod slide block mechanism of existing adjacent eccentric section does linear reciprocating motion in 180 ° of phase differences；It is installed respectively among adjacent eccentric section
Flexible piezoelectric material cantilever lever (4)；Excitation permanent magnet (18) is mounted on linkage rod slide block mechanism end, is excited permanent magnet (15) installation
In cantilever lever (4) free end, fixed electromagnetic induction coil is arranged on excitation permanent magnet (18) linear reciprocating motion track
(16)；Under the alternate magnetic force of excitation permanent magnet (18), space oscillations deformation will occur for cantilever lever (4), export electric energy；Excitation is forever
Magnet (18) reciprocates through inside electromagnetic induction coil, generates electromagnetic induction, exports electric energy.
5. a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device according to claim 1, which is characterized in that wind wheel (5)
It is arranged symmetrically on the spindle nose at input shaft (9) both ends, the number of blade of wind wheel (5) is the direction blade one of three and two wind wheels
It causes.
6. a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device according to claim 1, which is characterized in that in two two-phases
The middle position plug hole of adjacent crankshaft (13) eccentric segment places variable cross-section flexible piezoelectric material cantilever lever (4), and is respectively arranged
In crankshaft (13) two sides, six roots of sensation cantilever lever (4) are arranged altogether；The material of cantilever lever (4) is dielectric elastomer.
7. a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device according to claim 1, which is characterized in that outstanding to guarantee
The excitation permanent magnet (18) of armed lever (4) two sides does the linear reciprocating motion that phase difference is 180 °, need to be on crankshaft (13) per two-by-two
The installing connecting rods slide block mechanism of eccentric part up and down of adjacent eccentric section.
8. a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device according to claim 1, which is characterized in that outstanding to improve
The spatial vibration amplitude of armed lever (4), i.e. raising generating effect, guarantee each piezoelectric cantilever bar (4) end is excited permanent magnet
(15) in side by attraction, the other side should be ensured that the excitation permanent magnet of adjacent sliding rail link mechanism end by repulsive force
(18) polarity on the contrary, and the direction of magnetization in the horizontal direction.
9. a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device according to claim 1, which is characterized in that sliding rail rack
The reciprocating motion guide rail of upper (3) is cylindrical surface guide rail.
10. a kind of wind-induced vibration piezoelectricity electromagnetism combined generating device according to claim 1, which is characterized in that sliding rail branch
The material for being excited permanent magnet (15) of excitation permanent magnet (18) and cantilever lever (4) free end on frame (3) is neodymium iron boron.
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| CN111264454A (en) * | 2020-03-07 | 2020-06-12 | 徐焱霞 | Device for conveniently and rapidly aerating fishpond by utilizing wind energy |
| CN112187100A (en) * | 2020-11-15 | 2021-01-05 | 浙江师范大学 | Rotary self-excitation energy harvester with shaft end suspended |
| CN112202362A (en) * | 2020-09-29 | 2021-01-08 | 长春工业大学 | Energy collecting device based on fan rotation |
| CN112234864A (en) * | 2020-10-04 | 2021-01-15 | 长春工业大学 | Rotary energy collecting device based on contact excitation |
| CN112234865A (en) * | 2020-10-04 | 2021-01-15 | 长春工业大学 | Array piezoelectric-electromagnetic energy harvester based on fluid excitation |
| CN112332697A (en) * | 2020-10-21 | 2021-02-05 | 长春工业大学 | Rotary cam piezoelectric power generation device |
| CN113125792A (en) * | 2021-04-22 | 2021-07-16 | 长春工业大学 | Piezoelectric-electromagnetic combined sensing device for measuring rotating speed |
| CN113794327A (en) * | 2021-09-27 | 2021-12-14 | 山东理工大学 | Wind power reciprocating type piezoelectric-electromagnetic composite power generation device |
| CN115126811A (en) * | 2022-07-13 | 2022-09-30 | 盐城工学院 | Shock absorber capable of generating power |
| CN115378219A (en) * | 2022-10-25 | 2022-11-22 | 东北林业大学 | Branch vibration power generation device |
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