CN207490794U - A kind of magnetic coupling piezoelectricity Electromagnetic heating energy accumulator - Google Patents
A kind of magnetic coupling piezoelectricity Electromagnetic heating energy accumulator Download PDFInfo
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- CN207490794U CN207490794U CN201721590921.3U CN201721590921U CN207490794U CN 207490794 U CN207490794 U CN 207490794U CN 201721590921 U CN201721590921 U CN 201721590921U CN 207490794 U CN207490794 U CN 207490794U
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Abstract
The utility model discloses a kind of magnetic coupling piezoelectricity Electromagnetic heating energy accumulators.The piezoelectric harvester of conventional cantilever beam structure can not bear top load；Big cymbals shape structure can bear high load, but generating efficiency is low under low frequency environments.The suspension magnet gasket of the utility model is equipped with the multi-disc lug being welded on stator casing；N pieces translation magnet is fixed on suspension magnet gasket；Rotor is pivotally supported on price fixing；N piece rotor magnets are fixed on turntable；The magnetic pole of rotor magnet and the magnet that is translatable is radially arranged, and the identical magnetic pole of polarity is towards consistent；The n root piezoelectric cantilevers being evenly distributed are fixed on armature spindle；Stator casing inner wall is fixed with n moving tooth being evenly distributed；Multiple induction coils are fixed on price fixing；Two blocks of disturbance magnet are each attached on stator casing；The cambered surface magnetic pole for disturbing magnet is identical with the opposite end magnetic pole of rotor magnet or the magnet that is translatable.Low frequency ambient pressure is converted into piezoelectric beam high-frequency vibration by the utility model, realizes up-conversion twice.
Description
Technical field
The utility model is related to a kind of energy collecting device applied under low-frequency vibration environment, more particularly to a kind of applications
The piezoelectricity Electromagnetic heating prisoner that high load can be held under low-frequency vibration environment can device.
Background technology
With the development of Internet of Things and universal, the energy supply of microelectronic product (such as wireless sensor) of portable electronic device
It is a big problem.Most of microelectronic product is all to provide electric energy using traditional battery at present, and there are short life, Chang Geng
Change and not environmentally the problems such as, it is difficult to meet the needs of microelectronic product high speed development.The energy in environment has vibrational energy, the sun
Energy, wind energy, thermal gradient energy, radio-frequency radiation energy, noise etc..Wherein, vibrational energy is widely present in practice in daily life and engineering, no
It is easily influenced by factors such as position, weather, and with higher energy density, therefore more and more scholars and expert endeavour
The vibrational energy in environment is captured in research and is converted into electric energy, is energized as a kind of alternative energy source for microelectronic product.
According to energy conversion principle difference, vibration energy accumulator can be divided into piezoelectric type, electromagnetic type, electrostatic and magnetostriction type
Etc. types.Piezoelectric type and electromagnetic type energy accumulator all have higher electromechanical coupling factor, it is simple in structure, be easily worked, and not
The features such as needing external power supply, capturees energy mechanism combination by two kinds, proposes piezoelectricity Electromagnetic heating prisoner's energy device, can widen and capture energy frequency
Band improves output power.
The piezoelectric harvester of traditional cantilever beam structure can not bear top load although prisoner can be efficient；Big cymbals shape
Structure can bear high load, but its intrinsic frequency is high, and generating efficiency is low under low frequency environments.
Invention content
The purpose of this utility model is that in view of the deficiencies of the prior art, proposition is a kind of can both to bear high load, while low
The energy accumulator of efficiency power generation under frequency environment.
The utility model solves technical problem and adopts the technical scheme that：
The utility model includes translation magnet, suspension magnet gasket, stator, moving tooth, rotor magnet, piezoelectric cantilever, depth
Ditch ball bearing, rotor, induction coil and disturbance magnet.The stator includes integrally formed price fixing and stator casing, price fixing
It is arranged in stator casing；Suspension magnet gasket is equipped with the multi-disc lug for being integrally formed and being evenly distributed；The lug weldering
It is connected on stator casing；The n pieces translation magnet being evenly distributed, n >=4 are fixed on suspension magnet gasket；The rotor packet
Include integrally formed armature spindle and turntable；Armature spindle is supported on by bearing on price fixing；The n being evenly distributed is fixed on turntable
Piece rotor magnet；Along circumferential direction, every rotor magnet is corresponding with a piece of translation magnet positions；Rotor magnet and translation magnet
Magnetic pole is radially arranged, and the identical magnetic pole of polarity is towards consistent；The rotor magnet peace moving magnet is annular in fan, and
On same cross section, the center of circle of rotor magnet peace moving magnet is overlapped with the center of circle of armature spindle；It is fixed on armature spindle along week
To uniformly distributed n root piezoelectric cantilevers；Stator casing inner wall is fixed with n moving tooth being evenly distributed；Moving tooth relative rotor axis
Axial position is corresponding with the axial position of piezoelectric cantilever relative rotor axis；Armature spindle in the radial direction, moving tooth and armature spindle axis
The distance of the heart is less than the distance of piezoelectric cantilever outer end end face and armature spindle axle center；Be fixed on price fixing be evenly distributed it is multiple
Induction coil；Two blocks of disturbance magnet are each attached on stator casing；The disturbance magnet is semi-cylindrical, and cambered surface direction turns
Sub- axis setting；The cambered surface magnetic pole for disturbing magnet is identical with the opposite end magnetic pole of rotor magnet or the magnet that is translatable.
The both ends end face of the disturbance magnet is concordant with the both ends end face of rotor magnet difference.
The suspension magnetic insert uses elastic material.
The induction coil is in snail shape.
On same cross section, on the circumference using rotor axis center as the center of circle, the central angle folded by two blocks of disturbance magnet is
120°。
The utility model has the advantage that：
The utility model is (special by low frequency ambient pressure using mutual exclusion magnet and piezoelectric cantilever and the form of moving tooth collision
It is not high load low frequency ambient pressure) rotor magnet high frequency rotational and piezoelectric beam high-frequency vibration are converted into, realize up-conversion twice,
To be moved using piezoelectric effect and electromagnetic induction can be converted into electric energy.Rotor magnet is formed potential energy by the magneticaction of translation magnet
Multistable；Realize that the high frequency of armature spindle substantially rotates when ambient pressure is more than certain threshold value, piezoelectric cantilever and moving tooth touch
Power enhancing is hit, collision interval shortens, and rotor magnet relative induction coil velocity of rotation improves, and collects more vibrational energies,
Output power is improved, widening effectively prisoner can frequency band.
Description of the drawings
Fig. 1 is the half-sectional stereogram of the utility model；
Fig. 2 is the vertical view of the utility model；
Fig. 3 is the initial position schematic diagram of piezoelectric cantilever and moving tooth in the utility model；
Fig. 4 is translation magnet, rotor magnet and the location diagram for disturbing magnet in the utility model；
Fig. 5 is assembling schematic diagram of the induction coil on stator in the utility model.
Specific embodiment
It elaborates below in conjunction with attached drawing to the utility model.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of magnetic coupling piezoelectricity Electromagnetic heating energy accumulator including translation magnet 1, hangs
Floating magnet gasket 2, stator, moving tooth 4, rotor magnet 5, piezoelectric cantilever 6, deep groove ball bearing 7, rotor, induction coil 9 and disturbance
Magnet 10.Stator includes integrally formed price fixing and stator casing 3, and price fixing is arranged in stator casing 3；Suspension magnet gasket 2
Equipped with four lugs for being integrally formed and being evenly distributed；Lug is welded on stator casing 3；Suspension magnetic insert is using elastic material
Material, can bear top load；Six translation magnet 1 being evenly distributed are fixed on suspension magnet gasket 2；Rotor include one into
The armature spindle 8 and turntable of type；Armature spindle 8 is supported on by deep groove ball bearing 7 on price fixing；It is fixed with what is be evenly distributed on turntable
Six rotor magnets 5；Along circumferential direction, every rotor magnet 5 is corresponding with 1 position of a piece of translation magnet；Rotor magnet and translation
The magnetic pole of magnet is radially arranged, and the identical magnetic pole of polarity is towards consistent, each other by mutually exclusive magneticaction；Rotor magnet
5 peaceful moving magnets 1 are in fan annular, and on same cross section, the center of circle for fanning ring is overlapped with the center of circle of armature spindle 8；On armature spindle 8
It is fixed with the six roots of sensation piezoelectric cantilever 6 being evenly distributed；3 inner wall of stator casing is fixed with six moving teeth 4 being evenly distributed；It dials
The axial position of 1 relative rotor axis 8 of tooth is corresponding with the axial position of 6 relative rotor axis 8 of piezoelectric cantilever；8 radial direction side of armature spindle
Upwards, the distance in moving tooth 4 and 8 axle center of armature spindle is less than the distance of 6 outer end end face of piezoelectric cantilever and 8 axle center of armature spindle；Price fixing
On be fixed with six induction coils 9 being evenly distributed；Two blocks of disturbance magnet 10 are each attached on stator casing 3；Disturb magnet
10 be semi-cylindrical, and cambered surface is set towards armature spindle 8；Disturb the cambered surface magnetic pole of magnet 10 and rotor magnet 5 or translation magnet 1
Opposite end magnetic pole it is identical；The both ends end face for disturbing magnet 10 is concordant with the both ends end face of rotor magnet 5 difference；Same cross section
On, on the circumference using 8 center of armature spindle as the center of circle, the central angle folded by two blocks of disturbance magnet 10 is 120 °.
With reference to Fig. 5, the utility model device is mini component, and traditional induction coil is the number of turn by increasing coil
Generating efficiency is improved, this is not applied in the utility model device.The induction coil 8 of the utility model device is in snail
Shape, increase coil section product, improves electromagnetic induction generating efficiency.
The operation principle of the magnetic coupling piezoelectricity Electromagnetic heating energy accumulator is as follows：
When by frequency be a (a<When low frequency ambient pressure 30Hz) drives, suspension magnet gasket 2 generates deformation, drives
Translation magnet 1 moves down.There are peripheral force and axial force, axial forces for the repulsion magnetic force being translatable between magnet 1 and rotor magnet 5
Ambient pressure is used to support, peripheral force drives rotor magnet 5 to rotate, and rotor magnet 5 is formed week by the magneticaction of translation magnet 1
To the potential energy multistable of distribution；Disturb the magnetic pole of magnet 10 radially inwards and rotor magnet 5 or the opposite end magnetic for the magnet 1 that is translatable
Extremely identical, disturbance magnet 10 is for adjusting the circumferential potential-energy function potential well distribution of rotor magnet 5 and barrier height, when ambient pressure surpasses
It crosses when overcoming pressure value needed for barrier height, under ambient pressure effect substantially high frequency (2a~10a Hz) can occur for rotor magnet
Rotation, this is a raising frequency.Armature spindle 8 is driven to rotate when rotor magnet rotates.Piezoelectric cantilever 6 is under the drive of armature spindle 8
High-speed rotation, high frequency (being more than a Hz) vibration, is realized secondary up-conversion, is generated electricity using piezoelectric effect after being collided with moving tooth 4.Turn
Moving magnet 5 and induction coil 9 generate relative motion, are generated electricity using faraday electromagnetic induction effect.After raising frequency twice, piezoelectricity
Cantilever beam 6 and the impact force of moving tooth 4 enhance, and collision interval time shortens, and rotor magnet relative induction coil velocity of rotation improves,
More vibrational energies are collected, improve output power, widening effectively prisoner can frequency band.
Claims (5)
1. a kind of magnetic coupling piezoelectricity Electromagnetic heating energy accumulator, including translation magnet, suspension magnet gasket, stator, moving tooth, rotation
Magnet, piezoelectric cantilever, deep groove ball bearing, rotor, induction coil and disturbance magnet, it is characterised in that：The stator includes
Integrally formed price fixing and stator casing, price fixing are arranged in stator casing；Suspension magnet gasket, which is equipped with, to be integrally formed and along week
To uniformly distributed multi-disc lug；The lug is welded on stator casing；The n being evenly distributed is fixed on suspension magnet gasket
Piece translation magnet, n >=4；The rotor includes integrally formed armature spindle and turntable；Armature spindle is supported on price fixing by bearing
On；The n piece rotor magnets being evenly distributed are fixed on turntable；Along circumferential direction, every rotor magnet and a piece of translation magnet
Position corresponds to；The magnetic pole of rotor magnet and the magnet that is translatable is radially arranged, and the identical magnetic pole of polarity is towards consistent；Described turns
Moving magnet peace moving magnet is in fan annular, and on same cross section, the center of circle of rotor magnet peace moving magnet is and armature spindle
The center of circle overlap；The n root piezoelectric cantilevers being evenly distributed are fixed on armature spindle；Stator casing inner wall is fixed with circumferentially
N moving tooth of cloth；The axial position of moving tooth relative rotor axis is corresponding with the axial position of piezoelectric cantilever relative rotor axis；Rotor
In the radial direction, the distance in moving tooth and armature spindle axle center is less than the distance of piezoelectric cantilever outer end end face and armature spindle axle center to axis；
The multiple induction coils being evenly distributed are fixed on price fixing；Two blocks of disturbance magnet are each attached on stator casing；Described disturbs
Moving magnet is semi-cylindrical, and cambered surface is set towards armature spindle；Disturb the cambered surface magnetic pole of magnet and rotor magnet or translation magnet
Opposite end magnetic pole it is identical.
2. a kind of magnetic coupling piezoelectricity Electromagnetic heating energy accumulator according to claim 1, it is characterised in that：The disturbance magnetic
The both ends end face of iron is concordant with the both ends end face of rotor magnet difference.
3. a kind of magnetic coupling piezoelectricity Electromagnetic heating energy accumulator according to claim 1, it is characterised in that：The suspension
Magnetic insert uses elastic material.
4. a kind of magnetic coupling piezoelectricity Electromagnetic heating energy accumulator according to claim 1, it is characterised in that：The sensing
Coil is in snail shape.
5. a kind of magnetic coupling piezoelectricity Electromagnetic heating energy accumulator according to claim 1, it is characterised in that：Same cross section
On, on the circumference using rotor axis center as the center of circle, the central angle folded by two blocks of disturbance magnet is 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721590921.3U CN207490794U (en) | 2017-11-24 | 2017-11-24 | A kind of magnetic coupling piezoelectricity Electromagnetic heating energy accumulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721590921.3U CN207490794U (en) | 2017-11-24 | 2017-11-24 | A kind of magnetic coupling piezoelectricity Electromagnetic heating energy accumulator |
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| CN207490794U true CN207490794U (en) | 2018-06-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492788A (en) * | 2019-09-23 | 2019-11-22 | 中国计量大学 | A kind of multi-direction vibration prisoner energy device of the up-conversion of piezoelectricity-electromagnetic coupling |
-
2017
- 2017-11-24 CN CN201721590921.3U patent/CN207490794U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492788A (en) * | 2019-09-23 | 2019-11-22 | 中国计量大学 | A kind of multi-direction vibration prisoner energy device of the up-conversion of piezoelectricity-electromagnetic coupling |
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