CN207135011U - A kind of charming appearance and behaviour gyromagnet encourages piezoelectric generator - Google Patents
A kind of charming appearance and behaviour gyromagnet encourages piezoelectric generator Download PDFInfo
- Publication number
- CN207135011U CN207135011U CN201721065245.8U CN201721065245U CN207135011U CN 207135011 U CN207135011 U CN 207135011U CN 201721065245 U CN201721065245 U CN 201721065245U CN 207135011 U CN207135011 U CN 207135011U
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- cam
- magnetic
- end cap
- main shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
A kind of charming appearance and behaviour gyromagnet excitation piezoelectric generator is the utility model is related to, belongs to field of new energy technologies.Housing left and right ends are separately installed with left end cap and right end cap, and main shaft is arranged on the end cap of left and right through bearing；Left axle sleeve, middle axle sleeve and right axle sleeve are from left to right cased with main shaft successively, main shaft right-hand end is provided with blade；Magnetic cam ring is fitted with the right side of left axle sleeve, on the left of middle axle sleeve both sides and right axle sleeve；The magnetic cam ring that left axle sleeve, middle axle sleeve and right axle sleeve are installed with it forms cam, left cam path and right cam path；Piezoelectric vibrator is housed, piezoelectric vibrator free end is equipped with magnetic patch, and magnetic patch is placed in the cam path of left and right, and the intermolecular forces of magnetic patch magnetic cam ring adjacent thereto are repulsive force on the inwall boss of housing；Piezoelectric vibrator does not occur bending and deformation when magnetic patch and the apexes contact in left and right cam path right cam face, and deflection is less than its allowable value at the lamination composite bed of piezoelectric vibrator free end two during the apexes contact in magnetic patch and left and right cam path left cam face.
Description
Technical field
The utility model belongs to field of new energy technologies, and in particular to a kind of charming appearance and behaviour gyromagnet encourages piezoelectric generator, is nothing
The micropower such as line sensor node system provides real-time power supply.
Background technology
Wind energy is widely present in nature, and wind-power electricity generation is as one of energy of world today's main flow.Conventional people
Only focus on large-scale wind electricity generation system research, in recent years, reach its maturity with technology of wireless sensing network and its supervised in environment
The field application popularization such as health monitoring, industry, military affairs and the public safety of survey, building and bridge, provide and continue for it
Extensive concern of the research of the microminiature wind-driven generator of energy supply by domestic and foreign scholars.The microminiature wind having pointed out at present
Power generator is substantially based on electromagnetic principle and piezoelectric principle, because that will not produce electricity in the power generation process of piezoelectric generator
Magnetic disturbance, it is more suitable for the application demand of the wireless systems such as wireless network node.It is existing to utilize sheet type piezoelectric vibrator construction
Wind-driven generator mainly have two major classes：First, brushing Exciting-simulator system, i.e., directly make its generation curved using wind blows piezoelectric vibrator
Song is deformed and generated electricity；The second is rotation excitation formula, i.e., make blade rotation first with wind, drive rotating mechanism to stir by blade again
Piezoelectric vibrator flexural deformation simultaneously generates electricity.The common feature of above-mentioned piezoelectric generator, which is, to be become using the compound bending of piezoelectric vibrator
Shape generates electricity, and piezoelectric vibrator bending deformation quantity changes greatly when maximum drawback is different wind speed, and piezoelectric patches is easily because suffered by during large deformation
Tension is excessive and damages, and generating effect is bad during small deformation amount.
The content of the invention
The utility model proposes a kind of charming appearance and behaviour gyromagnet to encourage piezoelectric generator, and the embodiment that the utility model uses is：
Housing left and right ends are separately installed with left end cap and right end cap through screw；Main shaft left end is arranged on left end cap through left bearing, main
Axle right-hand member is arranged on right end cap through right bearing；Bearing cap is arranged on left end cap through screw and acts against the outer ring of left bearing
On left end cap, the shaft shoulder of main shaft is acted against on the inner ring of left bearing, is from left to right cased with left axle sleeve, middle axle sleeve on main shaft successively
And right axle sleeve, right axle sleeve are acted against on the inner ring of right bearing, the outer ring of right bearing is acted against on right end cap, the right-hand end of main shaft
Blade is installed；It is connected between left axle sleeve, middle axle sleeve and right axle sleeve and main shaft through key, left axle sleeve right side, middle axle sleeve two
Magnetic cam ring is fitted with the left of side and right axle sleeve；The magnetic cam ring structure that left axle sleeve, middle axle sleeve and right axle sleeve are installed with it
Into cam, two magnetic cam rings of cam upper left side form left cam path, two, right side magnetic cam ring forms right cam path, and left and right is convex
The yardstick and profile of race are identical；Piezoelectric vibrator is installed through screw and pressure ring on the inwall boss of housing, piezoelectric vibrator is by base
Plate and piezoelectric piece bonding form, and the free end of piezoelectric vibrator is provided with two magnetic patch through rivet, and magnetic patch is placed in left cam path or the right side
In cam path, magnetic patch is hemispherical, and the active force between magnetic patch magnetic cam ring adjacent thereto is repulsive force；Piezoelectric vibrator is not through
Same wire group is connected with circuit board, and circuit board is arranged on left end cap or right end cap through screw.
When being blowed air in work, blade drives main shaft and cam rotation, the magnetic being placed in left cam path and right cam path
Block produces reciprocal motion with the rotation of cam, so as to force piezoelectric vibrator to produce the reciprocal deformation that bends right and left, and by machine
Tool is converted into electric energy, and the electric energy generated is stored in super capacitor or battery after the circuit conversion processing on circuit board.
During cam rotation, when magnetic patch is with left cam path or the apexes contact in right cam path right cam face, piezoelectricity shakes
Son does not occur bending and deformation, the stress on piezoelectric patches is zero；When magnetic patch and left cam path or the top in right cam path left cam face
During point contact, the deflection at the lamination composite bed of piezoelectric vibrator free end two reaches maximum, and now the maximum pressure on piezoelectric patches should
Power is less than its allowable value X less than the maximum deformation quantity at its allowable value, the lamination composite bed of piezoelectric vibrator free end two, and hasWherein：B=1- α+α β, A=α4(1-β
)2-4α3(1-β)+6α2(1- β) -4 α (1- β)+1,α=hm/ H, β=Em/Ep, hmAnd H
Respectively substrate thickness and piezoelectric vibrator gross thickness, EmAnd EpThe respectively Young's modulus of substrate and piezoelectric patches, k31WithRespectively
The electromechanical coupling factor and permissible compression stress of piezoceramic material, L are the length of piezoelectric vibrator.
Advantage and characteristic：The deformation of piezoelectric vibrator bend in one direction, piezoelectric patches are subjected only to compression；The deflection of piezoelectric vibrator by
Cam lift determines that maximum stress during different rotating speeds on the maximum deformation quantity and piezoelectric patches of piezoelectric vibrator is all identical, therefore reliably
Property it is high, effective band is wide, it is strong with power supply capacity to generate electricity.
Brief description of the drawings
Fig. 1 is the section of structure of generator in one preferred embodiment of the utility model；
Fig. 2 is the structural representation of one preferred embodiment cam of the utility model；
Fig. 3 is the expanded schematic diagram of cam shown in Fig. 2；
Fig. 4 is Fig. 1 A-A sectional view；
Fig. 5 is section of structure when Fig. 1 cams turn over 45 degree.
Embodiment
Housing a left and right ends are separately installed with left end cap b and right end cap c through screw；Main shaft d left end is through left bearing e
On left end cap b, main shaft d right-hand member is arranged on right end cap c through right bearing f；Bearing cap g is arranged on left end cap through screw
B is upper and acts against left bearing e outer ring on left end cap b, and main shaft d shaft shoulder d1 is acted against on left bearing e inner ring, main shaft d
On be from left to right cased with left axle sleeve h, middle axle sleeve i and right axle sleeve j, right axle sleeve j successively and act against on right bearing f inner ring, it is right
Bearing f outer ring is acted against on right end cap c, and main shaft d right-hand end is provided with blade s；Left axle sleeve h, middle axle sleeve i and right axle
It is connected between set j and main shaft d through key k, the left side on left axle sleeve h right side, middle axle sleeve i both sides and right axle sleeve j is all installed
There is magnetic cam ring m；On magnetic cam ring m compositions the cam T, cam T that left axle sleeve h, middle axle sleeve i and right axle sleeve j are installed with it
Two magnetic cam ring m in left side form left cam path T1, two, right side magnetic cam ring m forms right cam path T2, left cam path T1
It is identical with right cam path T2 yardstick and profile；Piezoelectric vibrator p is installed through screw and pressure ring n on housing a inwall boss, pressed
Electric tachometer indicator p is formed by substrate p1 and piezoelectric patches p2 bondings, and piezoelectric vibrator p free end is provided with two magnetic patch q, magnetic patch through rivet
Q is placed in left cam path T1 or right cam paths T2, and magnetic patch q is hemispherical, the work between magnetic cam ring m adjacent thereto magnetic patch q
It is firmly repulsive force；Piezoelectric vibrator p is connected through different wire groups with circuit board r, and circuit board r is arranged on left end cap b through screw
Or on right end cap c.
In work, when blowing air over, blade s drives main shaft d and cam T to rotate, and is placed in left cam path T1 and right cam path
Magnetic patch q in T2 produces reciprocal motion with cam T rotation, so as to force piezoelectric vibrator p to produce reciprocal bend right and left
Deformation, and electric energy is converted mechanical energy into, the electric energy generated is stored in super electricity after the circuit conversion processing on circuit board r
Perhaps in battery.
In cam T rotation processes, when magnetic patch q contacts with the summit Z in left cam path T1 or right cam paths T2 right cams face,
Piezoelectric vibrator p does not occur bending and deformation, the stress on piezoelectric patches p2 is zero；As magnetic patch q and left cam path T1 or right cam paths T2
During the summit Y contacts in left cam face, the deflection at the lamination composite bed of piezoelectric vibrator p free ends two reaches maximum, now presses
Maximum crushing stress on electric piece p2 is small less than the maximum deformation quantity at its allowable value, the lamination composite bed of piezoelectric vibrator p free ends two
In its allowable value X, and haveWherein：B=1- α
+ α β, A=α4(1-β)2-4α3(1-β)+6α2(1- β) -4 α (1- β)+1,α=hm/ H, β
=Em/Ep, hmIt is respectively substrate p1 thickness and piezoelectric vibrator p gross thickness with H, EmAnd EpRespectively substrate p1 and piezoelectric patches p2
Young's modulus, k31WithThe respectively electromechanical coupling factor and permissible compression stress of piezoceramic material, L are piezoelectric vibrator p's
Length.
Claims (1)
1. a kind of charming appearance and behaviour gyromagnet encourages piezoelectric generator, it is characterised in that：Housing left and right ends are separately installed with left end cap and the right side
End cap；Main shaft left end is arranged on left end cap through left bearing, and main shaft right-hand member is arranged on right end cap through right bearing；Bearing cap is installed
Acted against on left end cap and by left axle bearing outer-ring on left end cap, the shaft shoulder of main shaft is acted against on the inner ring of left bearing；On main shaft
Left axle sleeve, middle axle sleeve and right axle sleeve are from left to right cased with successively, and right axle sleeve is acted against on right bearing inner ring, right axle bearing outer-ring top
Lean against on right end cap, main shaft right-hand end is provided with blade；All installed on the right side of left axle sleeve, on the left of middle axle sleeve both sides and right axle sleeve
There is magnetic cam ring；The magnetic cam ring that left axle sleeve, middle axle sleeve and right axle sleeve are installed with it forms cam, cam upper left side two
Magnetic cam ring forms left cam path, two, right side magnetic cam ring forms right cam path；Shaken on the inwall boss of housing equipped with piezoelectricity
Son, piezoelectric vibrator are formed by substrate and piezoelectric piece bonding, and the free end of piezoelectric vibrator is provided with two magnetic patch, and magnetic patch is placed in left convex
In race or right cam path, the active force between magnetic patch magnetic cam ring adjacent thereto is repulsive force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721065245.8U CN207135011U (en) | 2017-08-17 | 2017-08-17 | A kind of charming appearance and behaviour gyromagnet encourages piezoelectric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721065245.8U CN207135011U (en) | 2017-08-17 | 2017-08-17 | A kind of charming appearance and behaviour gyromagnet encourages piezoelectric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207135011U true CN207135011U (en) | 2018-03-23 |
Family
ID=61636299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721065245.8U Expired - Fee Related CN207135011U (en) | 2017-08-17 | 2017-08-17 | A kind of charming appearance and behaviour gyromagnet encourages piezoelectric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207135011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359817A (en) * | 2017-08-17 | 2017-11-17 | 浙江师范大学 | A kind of charming appearance and behaviour gyromagnet encourages piezoelectric generator |
| CN109687766A (en) * | 2019-01-30 | 2019-04-26 | 浙江师范大学 | A kind of off-resonance piezoelectric generator of gyromagnet excitation |
-
2017
- 2017-08-17 CN CN201721065245.8U patent/CN207135011U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359817A (en) * | 2017-08-17 | 2017-11-17 | 浙江师范大学 | A kind of charming appearance and behaviour gyromagnet encourages piezoelectric generator |
| CN109687766A (en) * | 2019-01-30 | 2019-04-26 | 浙江师范大学 | A kind of off-resonance piezoelectric generator of gyromagnet excitation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102820807B (en) | High-power rotary type piezoelectric wind driven generator excited and limited by end cam | |
| CN107395059B (en) | Wind-driven vibration energy harvester | |
| CN102801360B (en) | Disk cam excited and limited high-power rotary piezoelectric wind generator | |
| CN107359817A (en) | A kind of charming appearance and behaviour gyromagnet encourages piezoelectric generator | |
| CN107359823B (en) | Torsional pendulum type piezoelectric energy harvester | |
| CN207135011U (en) | A kind of charming appearance and behaviour gyromagnet encourages piezoelectric generator | |
| CN203654673U (en) | Piezoelectric power-generating floor | |
| CN103967942B (en) | A kind of temperature is from monitoring ball bearing | |
| CN106787944A (en) | A kind of piezoelectric transducer | |
| CN107364772B (en) | A kind of piezoelectric type elevator warning device | |
| CN104506083B (en) | A kind of rotary piezoelectric wind generator of radial drawing excitation | |
| CN107332472A (en) | One kind swings energy accumulator | |
| CN101694400B (en) | Electronic human scale with self-powered function | |
| CN203645578U (en) | Wind-induced vibration broadband piezoelectric power generation device | |
| CN202721622U (en) | Disc cam excitation and limit type high power rotation type piezoelectric wind generator | |
| Kan et al. | Design and characterization of wind energy harvesting from a trajectory-controllable piezoelectric vibrator | |
| CN207620963U (en) | A kind of raft formula wave energy generating set based on piezoelectric effect | |
| CN202721628U (en) | End face cam excitation and limit type high-power rotary type piezoelectric wind generator | |
| CN205725110U (en) | Vibrational energy harvester in Novel pressure electric-type water | |
| CN107359773A (en) | A kind of portable energy accumulator | |
| CN201828328U (en) | Electronic body scale with self-powering function | |
| CN107359814A (en) | A kind of rotary piezoelectric wind generator | |
| CN107070302A (en) | A kind of collision type environment kinetic energy collection array with rolling element | |
| CN107332466A (en) | A kind of many oscillator piezoelectricity Wind energy extraction devices | |
| CN107395061A (en) | A kind of charming appearance and behaviour piezoelectric harvester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180323 Termination date: 20180817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |