CN108111057A - A kind of multi-functional three directions piezoelectricity-electromagnetic coupling formula energy converter - Google Patents
A kind of multi-functional three directions piezoelectricity-electromagnetic coupling formula energy converter Download PDFInfo
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- CN108111057A CN108111057A CN201711476419.4A CN201711476419A CN108111057A CN 108111057 A CN108111057 A CN 108111057A CN 201711476419 A CN201711476419 A CN 201711476419A CN 108111057 A CN108111057 A CN 108111057A
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- 230000008878 coupling Effects 0.000 title claims abstract description 14
- 238000010168 coupling process Methods 0.000 title claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 14
- 230000005389 magnetism Effects 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000013016 damping Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- H02K35/04—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving coil systems and stationary magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention relates to transducer technology fields.Purpose is to provide a kind of multi-functional, high efficiency three-way piezoelectric electromagnetic coupling formula energy converter, realizes tri- direction of X, Y and Z vibration damping simultaneously, improves damping efficiency.Technical solution is：A kind of multi-functional three directions piezoelectric electro magnetic coupling type energy converter, it is characterised in that：Including equilateral triangle lower plate, axial equipment and radial direction equipment；The axial direction equipment includes the equilateral triangle upper plate of three axle spring vibrating devices, the magnet coil mechanism to be worked by radial vibration, the axial spring vibration device of connection and magnet coil mechanism；The radial direction equipment has three sets altogether, and often covering radial direction equipment includes the second fixes sleeve, the sector electromagnet that the second axis being fixed on axle spring vibrating device, the first fixes sleeve that the second axis of guiding slides axially, piezoelectric pile, the bar for connecting piezoelectric pile and transferring power, the 3rd axis for connecting sector electromagnet, the 3rd axis of guiding slide axially.
Description
Technical field
The present invention relates to transducer technology field, especially a kind of multi-functional three directions piezoelectricity-electromagnetic coupling formula energy converter.
Background technology
In a variety of high, precision and frontier technical fields such as machine space flight and aviation and Marine engineering, structure requires increasingly vibration environment
High to inhibit vibration during the high performance vibration damping of high-precision, it is necessary to take, this also proposes higher requirement to vibration damping component.Forever
Power between magnet pair is a kind of non-linear force, and the equivalent of different performance demand can be achieved by the mutual design of preparing between magnet
Nonlinear spring, can be based on Theory of Vibration, and vibration isolation bandwidth is improved using non-linear slinky spring.At present, for unidirectional straight line
Vibration, existing vibration damping component are only capable of reducing the vibration on a direction, and damping efficiency is relatively low.It is in addition, another to control
Vibration on direction then needs to add in vibration absorber in the corresponding direction, this greatly reduces space availability ratio and vibration damping
Efficiency.In addition, having substantial amounts of multi-direction random vibration in engineering, one direction vibration control apparatus just can not meet work need
It asks.
The content of the invention
The purpose of the present invention is overcoming the shortcomings of above-mentioned background technology, a kind of multi-functional, high efficiency three-way piezoelectric-electricity is provided
Magnetic coupling type energy converter, the device can be realized：Uniaxial straight-line oscillation can be converted into plane vibration, realize that tri- direction of X, Y and Z is same
When vibration damping, improve damping efficiency；If radially contactless magnet is attracting heteropolar, vibration isolation bandwidth can be improved；It if will control
Circuit is linked into piezoelectric pile, then can realize micro-vibration control；If piezoelectric pile realizes electromagnetism support force as active control elements
Control accurate.
The present invention provides following technical schemes：
A kind of multi-functional three directions piezoelectricity-electromagnetic coupling formula energy converter, it is characterised in that：Including equilateral triangle lower plate,
Axial equipment and radial direction equipment；The axial direction equipment includes three axle spring vibrating devices, is radially shaken
The equilateral triangle upper plate of dynamic and work magnet coil mechanism, the axial spring vibration device of connection and magnet coil mechanism；Institute
It states radial direction equipment and has three sets altogether, every suit is distributed on the angular bisector of equilateral triangle lower plate, and often set radially works
Device include be fixed on axle spring vibrating device the second axis, guiding the second axis slide axially the first fixes sleeve,
Connection piezoelectric pile simultaneously transfers the piezoelectric pile for having resistive element in the bar of power, circuit, the 3rd axis for connecting sector electromagnet, guiding the 3rd
The second fixes sleeve that axis slides axially, sector electromagnet.
The axle spring vibrating device is fixed on just including being fixed on the outer sleeve of equilateral triangle lower plate vertically, overhanging
Triangle upper plate bottom can along outer sleeve in axial sliding inner sleeve, be sleeved on the outer wall of inner sleeve and axially stretched along inner sleeve
The spring of contracting；The both ends of spring are connected to the bottom surface of equilateral triangle upper plate and the endoporus bottom of outer sleeve.
Three axle spring vibrating devices of the axial direction equipment are mounted on three angles of equilateral triangle lower plate.
It is solid that the magnet coil mechanism includes the first axle that circular fixture is fixed in one end and the other end is hanging, installation
Be scheduled on first axle top first annular magnet, mounted on first axle bottom the second annular magnet, be wrapped in ring-wound pipe
There are the coil of resistive element, the circular fixture being fixed in the middle part of equilateral triangle lower plate in upper and circuit, be fixed on annular
The 3rd annular magnet on magnet fixing device, the ring-wound pipe being fixed on equilateral triangle upper plate；First axle from up to
Under be located at through the 3rd annular magnet and circular fixture, first annular magnet in the endoporus of the 3rd annular magnet, the second ring
Shape magnet is located at the lower section of the 3rd annular magnet.
The outer diameter of the first annular magnet is less than the internal diameter of the 3rd annular magnet；First annular magnet outer ring magnetism with
The magnetism of 3rd annular magnet inner ring is opposite；First annular magnet and the 3rd annular magnet are maintained with equilateral triangle upper plate
One end distance, the distance are more than the amplitude of radial vibration.
Second annular magnet and sector electromagnet are not in the same horizontal line；Second annular magnet outer ring is magnetic and fan-shaped
Magnet inner ring magnetism is identical.
The internal diameter of the ring-wound pipe is more than the outer diameter of first annular magnet, and outer diameter is less than the interior of the 3rd annular magnet
Footpath.
The beneficial effects of the invention are as follows：An energy part caused by axial vibration is converted into the electric current in coil, another
The electric current being partially converted into piezoelectric pile circuit reduces radial vibration；An energy part is converted into line caused by radial vibration
Electric current in circle, another part are converted into the electric current in piezoelectric pile circuit, reduce axial vibration；Radially contactless magnet generates
Non-linear support power adds the service life of device；If radially contactless magnet is attracting heteropolar, vibration isolation can be improved
Bandwidth；If control circuit is linked among piezoelectric pile, micro-vibration control can be realized；If piezoelectric pile is as active control member
Part, then can control radial magnet to the distance between, realize electromagnetism support force control accurate.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is the front view of the present invention.
Fig. 3 is the dimensional structure diagram of present invention removal equilateral triangle upper plate.
Specific embodiment
With reference to Figure of description, the invention will be further described, but the invention is not limited in following embodiments.
As shown in Figure 1, a kind of multi-functional, high three direction piezoelectricity of function-electromagnetic transducer, including being used for fixing device just
Triangle lower plate 1, axial equipment 2 and radial direction equipment 3；Axial equipment passes through axle spring vibrating device 2-
1 is located on three angles in equilateral triangle lower plate；Radial direction equipment is mounted on positive three by circular fixture 2-3-6
On angular lower plate.
As shown in Fig. 2, axial equipment includes axle spring vibrating device 2-1, the magnet to be worked by axial vibration
The equilateral triangle upper plate 2-2 of coil mechanism 2-3, the axial spring vibration device of connection and magnet coil mechanism；Axle spring shakes
Dynamic device one end is fixed on equilateral triangle lower plate, and the other end is fixed on equilateral triangle upper plate；Axle spring vibration dress
Three sets altogether are put, often set is respectively distributed on three angles of equilateral triangle upper plate.
As shown in figure 3, spring radial vibration device includes being fixed on outer sleeve 2-1-1, the fixation of equilateral triangle lower plate
Equilateral triangle upper plate can along outer sleeve in axial sliding inner sleeve 2-1-2, be sleeved on inner sleeve drum outer wall and along inner sleeve axis
To flexible spring 2-1-3, spring 2-1-3 both ends are connected on equilateral triangle upper plate and outer sleeve.
As shown in figure 3, magnet coil mechanism is fixed on annular magnet fixing device 2-3-6 including one end and the other end is hanging
First axle 2-3-1, the first annular magnet 2-3-2 that is fixed in first axle and the second annular magnet 2-3-3, clockwise
(or counterclockwise) be wrapped in coil 2-3-4 that is on ring-wound pipe 2-3-7 and having resistive element in circuit, be fixed on positive three
Annular magnet fixing device 2-3-6 on angular lower plate, the 3rd annular magnetic being fixed on annular magnet fixing device 2-3-6
Iron 2-3-5, the ring-wound pipe 2-3-7 being fixed on equilateral triangle upper plate.The outer diameter of first annular magnet is less than tricyclic
The internal diameter of shape magnet；The magnetism of first annular magnet outer ring is opposite with the magnetism of the 3rd annular magnet inner ring；First annular magnet
It is both needed to leave one end distance with equilateral triangle upper plate with the 3rd annular magnet, distance is more than the amplitude of radial vibration；Annular
The internal diameter of winding pipe is more than the outer diameter of first annular magnet, and outer diameter is less than the internal diameter of the 3rd annular magnet.
As shown in figure 3, radial direction equipment includes the second axis 3-1 being fixed on outer sleeve, the second axis is made to slide vertically
Dynamic the first fixes sleeve 3-2, connect piezoelectric pile and transfer the piezoelectric pile 3-4, even for having resistive element in the bar 3-3 of power, circuit
The 3rd axis 3-5 for connecing sector electromagnet, the second fixes sleeve 3-6, the sector electromagnet 3-7 that the 3rd axis is made to slide axially；Radial direction work
Three sets are had altogether as device, and every suit is distributed on equilateral triangle angular bisector；Second annular magnet and sector electromagnet be not same
On one horizontal line；Second annular magnet outer ring is magnetic identical with sector electromagnet inner ring magnetism.
In addition to first, second, third annular magnet, other part materials are nonferromugnetic material,
The work step that the present invention reduces axial vibration is as follows：
1) axial vibration (i.e. the axis direction of the 3rd annular magnet) makes the line being fastened on ring-wound pipe 2-3-7
Up-down vibration 2-3-4 is enclosed, and then cuts the magnetic induction line that first annular magnet 2-3-2 and the 3rd annular magnet 2-3-5 is generated, coil
Electric current is generated in 2-3-4, electric current is consumed by the resistive element in circuit；
2) distance for the second annular magnet 2-3-3 and sector electromagnet 3-7 being fixed in first axle changes, and magnetic force leads to
It crosses the 3rd axis 3-5 and passes to piezoelectric pile 3-5, piezoelectric pile stress deforms and generates electric current, and electric current is by the resistance member in circuit
Part consumes, and the energy of axial vibration is consumed.
The work step that the present invention reduces radial vibration is as follows：
1) radial vibration (i.e. the radial direction of the 3rd annular magnet) is so that piezoelectric pile 3-5 stress deforms upon and generates electricity
Stream, electric current are consumed by the resistive element in circuit；The second annular magnet 2-3-3 and the sector magnet being fixed on first axle 2-3-1
The distance of iron 3-7 changes, and magnetic force changes；
2) variation of magnetic force makes first axle generate axial vibration, makes the coil being fastened on ring-wound pipe 2-3-7
Up-down vibration 2-3-4, and then cut the magnetic induction line that first annular magnet 2-3-2 and the 3rd annular magnet 2-3-5 is generated, coil 2-
Electric current is generated in 3-4, electric current is consumed by the resistive element in circuit, and the energy of radial vibration is consumed.
Realize that the work step of control non-linear rigidity is as follows in the present invention：
Control circuit is added in piezoelectric pile circuit 3-4, passes through DC current in adjusting control circuit and voltage
Size controls the elongation of piezoelectric pile, controls the distance of sector electromagnet 3-7 and the second magnet 2-3-3, to realize that control is non-linear
Rigidity (prior art).
Claims (7)
1. a kind of multi-functional three directions piezoelectricity-electromagnetic coupling formula energy converter, it is characterised in that：Including equilateral triangle lower plate (1),
Axial equipment (2) and radial direction equipment (3)；
The axial direction equipment includes three axle spring vibrating devices (2-1), the magnet coils to be worked by radial vibration
The equilateral triangle upper plate (2-2) of mechanism (2-3), the axial spring vibration device of connection and magnet coil mechanism；
The radial direction equipment has three sets altogether, and every suit is distributed on the angular bisector of equilateral triangle lower plate (1), is often covered
Radial direction equipment includes the second axis (3-1) being fixed on axle spring vibrating device, the second axis of guiding slides axially
First fixes sleeve (3-2), connect piezoelectric pile and transfer have resistive element in the bar (3-3) of power, circuit piezoelectric pile (3-4),
Connect the 3rd axis (3-5) of sector electromagnet, the second fixes sleeve (3-6) that the 3rd axis of guiding slides axially, sector electromagnet (3-
7)。
2. the multi-functional three directions piezoelectricity of one kind-electromagnetic coupling formula energy converter according to claim 1, it is characterised in that：Institute
Axle spring vibrating device (2-1) is stated to be fixed on including being fixed on the outer sleeve (2-1-1) of equilateral triangle lower plate vertically, overhanging
Equilateral triangle upper plate bottom can along outer sleeve in axial sliding inner sleeve (2-1-2), be sleeved on the outer wall of inner sleeve and along interior
The spring (2-1-3) of sleeve axial stretching；The both ends of spring (2-1-3) be connected to equilateral triangle upper plate bottom surface and
The endoporus bottom of outer sleeve.
3. the multi-functional three directions piezoelectricity of one kind-electromagnetic coupling formula energy converter according to claim 2, it is characterised in that：Institute
Three axle spring vibrating devices (2-1) for stating axial equipment are mounted on three angles of equilateral triangle lower plate.
4. the multi-functional three directions piezoelectricity of one kind-electromagnetic coupling formula energy converter according to claim 3, it is characterised in that：Institute
Stating magnet coil mechanism includes the first axle (2-3- that annular magnet fixing device (2-3-6) is fixed in one end and the other end is hanging
1) first annular magnet (2-3-2), the second annular magnet mounted on first axle bottom for, being fixed on first axle top
(2-3-3), the coil (2-3-4) for being fastened on ring-wound pipe (2-3-7) and having resistive element in circuit are fixed on just
The circular fixture (2-3-6) in the middle part of triangle lower plate is fixed in described (2-3-6) annular magnet fixing device
The 3rd annular magnet (2-3-5), the ring-wound pipe (2-3-7) that is fixed on equilateral triangle upper plate；First axle from
Pass through the 3rd annular magnet (2-3-5) and circular fixture (2-3-6) under, first annular magnet (2-3-2) is located at the
In the endoporus of three annular magnets (2-3-5), the second annular magnet (2-3-3) is located at the lower section of the 3rd annular magnet (2-3-5).
5. the multi-functional three directions piezoelectricity of one kind-electromagnetic coupling formula energy converter according to claim 4, it is characterised in that：Institute
The outer diameter for stating first annular magnet is less than the internal diameter of the 3rd annular magnet；Magnetism and the 3rd annular magnetic of first annular magnet outer ring
The magnetism of iron inner ring is opposite；First annular magnet and the 3rd annular magnet maintain one end distance with equilateral triangle upper plate,
The distance is more than the amplitude of radial vibration.
6. the multi-functional three directions piezoelectricity of one kind-electromagnetic coupling formula energy converter according to claim 5, it is characterised in that：Institute
State the second annular magnet and sector electromagnet not in the same horizontal line；Second annular magnet outer ring magnetism and sector electromagnet inner ring magnetic
Property is identical.
7. the multi-functional three directions piezoelectricity of one kind-electromagnetic coupling formula energy converter according to claim 6, it is characterised in that：Institute
The internal diameter for stating ring-wound pipe (2-3-7) is more than the outer diameter of first annular magnet (2-3-2), and outer diameter is less than the 3rd annular magnet
The internal diameter of (2-3-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476419.4A CN108111057B (en) | 2017-12-29 | 2017-12-29 | Multifunctional three-direction piezoelectric-electromagnetic coupling transducer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476419.4A CN108111057B (en) | 2017-12-29 | 2017-12-29 | Multifunctional three-direction piezoelectric-electromagnetic coupling transducer |
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| CN108111057A true CN108111057A (en) | 2018-06-01 |
| CN108111057B CN108111057B (en) | 2023-10-31 |
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Cited By (4)
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|---|---|---|---|---|
| CN108953448A (en) * | 2018-08-10 | 2018-12-07 | 浙江理工大学 | A kind of novel permanent magnetic formula bistable state vibration isolator |
| CN110513422A (en) * | 2019-08-01 | 2019-11-29 | 浙江理工大学 | A kind of non-linear eddy current damper of new lever type |
| CN111697878A (en) * | 2020-07-23 | 2020-09-22 | 上海大学 | Low-frequency collision mode sole energy collector based on piezoelectric stack |
| CN112532109A (en) * | 2020-12-09 | 2021-03-19 | 上海大学 | Low-frequency compression mode piezoelectric energy collector |
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| CN207664892U (en) * | 2017-12-29 | 2018-07-27 | 浙江理工大学 | A kind of multi-functional three directions piezoelectricity-electromagnetic coupling formula energy converter |
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| CN101383196A (en) * | 2008-09-16 | 2009-03-11 | 北京航空航天大学 | Modularized 6 freedom degree active vibration isolation platform |
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| CN110513422A (en) * | 2019-08-01 | 2019-11-29 | 浙江理工大学 | A kind of non-linear eddy current damper of new lever type |
| CN111697878A (en) * | 2020-07-23 | 2020-09-22 | 上海大学 | Low-frequency collision mode sole energy collector based on piezoelectric stack |
| CN112532109A (en) * | 2020-12-09 | 2021-03-19 | 上海大学 | Low-frequency compression mode piezoelectric energy collector |
| CN112532109B (en) * | 2020-12-09 | 2021-12-07 | 上海大学 | Low-frequency compression mode piezoelectric energy collector |
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