CN103762908B - A kind of method realizing resonance in energy collector - Google Patents
A kind of method realizing resonance in energy collector Download PDFInfo
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- CN103762908B CN103762908B CN201410007932.9A CN201410007932A CN103762908B CN 103762908 B CN103762908 B CN 103762908B CN 201410007932 A CN201410007932 A CN 201410007932A CN 103762908 B CN103762908 B CN 103762908B
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Abstract
The invention discloses a kind of method realizing resonance in energy collector, compared with traditional energy collecting device, installation quality block-groups of springs mechanism on the mover of energy collecting device.The inventive method can produce the mass-groups of springs mechanism of internal resonance phenomenon by adding, by its with have the permanent magnet of relative motion to link together relative to cavity or substrate, energy is mutually transformed between different mode, thus improves energy acquisition efficiency greatly.And by being designed to varistructure, the different requirements under various working can be met.The present invention is easy to realize, and does not change energy collecting device original structure, applied widely.
Description
Technical field
The present invention relates to a kind of method realizing resonance in energy collector.
Background technology
In the face of increasingly serious energy crisis, and day by day the highlighting of problem of environmental pollution, find clean energy resource and become more and more urgent, and be subject to the common concern of various countries.In environment, ubiquitous mechanical vibrational energy is a kind of clean environment firendly energy.Energy collecting device can be collected the energy in surrounding environment and convert electric energy to.But it is low that existing energy collecting device also also exists energy acquisition efficiency, for different operating mode, structure comparison is single, can not meet the problems such as various working condition requirements.
Summary of the invention
The present invention proposes a kind of method realizing resonance in energy collector, and it is little, single for different duty construction that object is to solve existing energy collecting device ubiquitous energy acquisition efficiency, cannot meet the problem such as job requirement under various working.
The technical scheme that technical solution problem of the present invention adopts is:
Realize a method for resonance in energy collector, it is characterized in that, installation quality block-groups of springs mechanism on the mover of energy collecting device.
In described mass-groups of springs mechanism, spring is coil spring, and number springs is at least two; Spring one end quality of connection block, the other end is connected on the mover of energy collecting device.
Preferably, described energy collecting device is electromagnetic energy harvester, comprises permanent magnet, cavity, coil and suspension magnet, and described permanent magnet is annular cylinder, symmetry is installed on the two ends up and down of cavity, the magnetic pole of described permanent magnet is all positioned at upper and lower two end faces, and upper end is S pole, and lower end is N pole, described coil is around on chamber outer wall, have insulating material between coil, described suspension magnet is suspended between upper and lower two permanent magnets, and described mover is suspension magnet; Described mass-groups of springs mechanism comprises spring and mass, and described mass is annular cylinder, and inner circle radius is greater than the exradius of cavity, and described mass is installed on outside coil, connects suspension magnet by spring.
Preferably, described energy collecting device is piezoelectric type energy collector, comprise permanent magnet, cantilever beam and attached pouring weight, described attached pouring weight is arranged on the free end lower surface of cantilever beam, described permanent magnet is cylinder, a free end upper surface being arranged on cantilever beam, one is arranged on attached pouring weight lower surface, another two permanent magnets are installed about cantilever beam axial symmetry, the magnetic pole of described four permanent magnets is all positioned at end face and bottom surface, and three permanent magnets are from the top down N pole, upper surface, S pole, lower surface, S pole, a nethermost permanent magnet upper surface, N pole, lower surface; Described mover is the permanent magnet being arranged on attached pouring weight lower surface; Described mass-groups of springs mechanism comprises spring and mass, and described mass is annular cylinder, is connected the permanent magnet of attached pouring weight lower surface by spring.
Compared with prior art, the present invention has following outstanding substantive distinguishing features and significant advantage:
The inventive method can produce the mass-groups of springs structure of internal resonance phenomenon by adding, by its with have the permanent magnet of relative motion to link together relative to cavity or substrate, energy is mutually transformed between different mode, thus improves energy acquisition efficiency greatly.And by being designed to varistructure, the different requirements under various working can be met.The present invention is easy to realize, and does not change energy collecting device original structure, applied widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1 for electromagnetic energy harvester.
Fig. 2 is the structural representation of the embodiment of the present invention 2 for piezoelectric type energy collector.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the invention is described further.
Realize a method for resonance in energy collector, it is characterized in that, installation quality block-groups of springs mechanism on the mover of energy collecting device.In described mass-groups of springs mechanism, spring is coil spring, and number springs is at least two; Spring one end quality of connection block, the other end is connected on the mover of energy collecting device.
embodiment 1
As shown in Figure 1, described energy collecting device is electromagnetic energy harvester, comprise permanent magnet 1, cavity 2, coil 3 and suspension magnet 4, described permanent magnet 1 is annular cylinder, symmetry is installed on the two ends up and down of cavity 2, the magnetic pole of described permanent magnet 1 is all positioned at upper and lower two end faces, upper end is S pole, lower end is N pole, described coil 3 is around on cavity 2 outer wall, insulating material is had between coil 3, described suspension magnet 4 is suspended between upper and lower two permanent magnets 1, the magnetic pole of suspension magnet 4 is positioned at end face and bottom surface, upper end is N pole, lower end is S pole, described mover is suspension magnet 4, described mass-groups of springs mechanism comprises spring 5 and mass 6, and described mass 6 is annular cylinder, and inner circle radius is greater than the exradius of cavity 2, and described mass 6 is installed on outside coil 3, connects suspension magnet 4 by spring 5.
The inventive method is applied to the operation principle in electromagnetic energy harvester: when energy collecting device is subject to the effect of vibration in residing environment, because suspension magnet 4 is subject to the repulsion effect of upper and lower two ends permanent magnet 1, will by spring 5, drive mass 6 to do the forced vibration of above-below direction along its central axis, thus the magnetic flux of coil 3 is changed.According to Faraday's electromagnetic induction law, induced current and induced electromotive force can be produced in coil 3, thus vibrational energy is converted into electric energy.Compared with traditional electromagnetic energy harvester, owing to adding spring 5 and mass 6, thus specific internal resonance phenomenon in Non-Linear Vibration process can be produced, energy mutually be transformed between different mode, improves energy acquisition efficiency greatly.And because the number of spring 5 can unrestricted choice, thus be applicable to various operating mode.
embodiment 2
As shown in Figure 2, described energy collecting device is piezoelectric type energy collector, comprise permanent magnet 1, cantilever beam 7 and attached pouring weight 8, described attached pouring weight 8 is arranged on the free end lower surface of cantilever beam 7, described permanent magnet 1 is cylinder, a free end upper surface being arranged on cantilever beam 7, one is arranged on attached pouring weight 8 lower surface, another two permanent magnets 1 are installed about cantilever beam 7 axial symmetry, the magnetic pole of described four permanent magnets 1 is all positioned at end face and bottom surface, three permanent magnets 1 are from the top down N pole, upper surface, S pole, lower surface, S pole, nethermost permanent magnet 1 upper surface, N pole, lower surface, described mover is the permanent magnet 1 being arranged on attached pouring weight 8 lower surface, described mass-groups of springs mechanism comprises spring 5 and mass 6, and described mass 6 is annular cylinder, is connected the permanent magnet 1 of attached pouring weight 8 lower surface by spring 5.
The inventive method is applied to the operation principle in piezoelectric type energy collector: when energy collecting device is subject to the effect of vibration in residing environment, because the cantilever beam 7 be made up of piezoelectric is subject to the gravity of upper and lower two ends permanent magnet 1 active force and cantilever beam 7 itself and attached pouring weight 8, under their acting in conjunction, will by spring 5, mass 6 is driven to do the low frequency forced vibration of above-below direction, due to piezoelectric effect, produce electric energy, thus vibrational energy is converted into electric energy.Compared with traditional piezoelectric type energy collector, owing to adding spring 5 and mass 6, thus specific internal resonance phenomenon in Non-Linear Vibration process can be produced, energy mutually be transformed between different mode, improves energy acquisition efficiency greatly.And because the number of spring 5 can unrestricted choice, thus be applicable to various operating mode.
Claims (3)
1. realize a method for resonance in energy collector, it is characterized in that, installation quality block-groups of springs mechanism on the mover of energy collecting device; Described energy collecting device is electromagnetic energy harvester, comprise permanent magnet (1), cavity (2), coil (3) and suspension magnet (4), described permanent magnet (1) is annular cylinder, symmetry is installed on the two ends up and down of cavity (2), the magnetic pole of described permanent magnet (1) is all positioned at upper and lower two end faces, upper end is S pole, lower end is N pole, described coil (3) is around on cavity (2) outer wall, coil has insulating material between (3), described suspension magnet (4) is suspended between upper and lower two permanent magnets (1), and described mover is suspension magnet (4); Described mass-groups of springs mechanism comprises spring (5) and mass (6), described mass (6) is annular cylinder, inner circle radius is greater than the exradius of cavity (2), and described mass (6) is installed on coil (3) outside, connects suspension magnet (4) by spring (5).
2. the method realizing resonance in energy collector according to claim 1, is characterized in that, in described mass-groups of springs mechanism, spring is coil spring, and number springs is at least two; Spring one end quality of connection block, the other end is connected on the mover of energy collecting device.
3.
a kind ofrealize the method for resonance in energy collector, it is characterized in that installation quality block-groups of springs mechanism on the mover of energy collecting device, described energy collecting device is piezoelectric type energy collector, comprise permanent magnet (1), cantilever beam (7) and attached pouring weight (8), described attached pouring weight (8) is arranged on the free end lower surface of cantilever beam (7), described permanent magnet (1) is cylinder, a free end upper surface being arranged on cantilever beam (7), one is arranged on attached pouring weight (8) lower surface, another two permanent magnets (1) are installed about cantilever beam (7) axial symmetry, the magnetic pole of four permanent magnets (1) is all positioned at end face and bottom surface, three permanent magnets (1) are from the top down N pole, upper surface, S pole, lower surface, S pole, nethermost permanent magnet (1) upper surface, N pole, lower surface, described mover is for being arranged on the permanent magnet (1) of attached pouring weight (8) lower surface, described mass-groups of springs mechanism comprises spring (5) and mass (6), and described mass (6) is annular cylinder, is connected the permanent magnet (1) of attached pouring weight (8) lower surface by spring (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410007932.9A CN103762908B (en) | 2014-01-08 | 2014-01-08 | A kind of method realizing resonance in energy collector |
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| CN201410007932.9A CN103762908B (en) | 2014-01-08 | 2014-01-08 | A kind of method realizing resonance in energy collector |
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| CN103762908B true CN103762908B (en) | 2016-04-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104333261B (en) * | 2014-11-26 | 2017-01-11 | 扬州大学 | Tumbler piezoelectric generating set |
| CN113565742A (en) * | 2020-12-07 | 2021-10-29 | 长春工业大学 | Magnetic spring piezoelectric stack resonance pump |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102067420A (en) * | 2008-04-15 | 2011-05-18 | 佩尔皮图姆有限公司 | An electromechanical generator for, and method of, converting mechanical vibrational energy into electrical energy |
| DE102010048781A1 (en) * | 2010-10-18 | 2012-04-19 | Epcos Ag | Piezoelectric component i.e. high voltage generator, for producing high voltages, has spatially adjacent subfields electrically coupled to one another at longitudinal end over secondary electrodes, which are electrically connected in series |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8629600B2 (en) * | 2009-05-08 | 2014-01-14 | University Of Utah Research Foundation | Annular thermoacoustic energy converter |
| US8866316B2 (en) * | 2012-06-21 | 2014-10-21 | General Electric Company | Tunable vibration energy harvester and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102067420A (en) * | 2008-04-15 | 2011-05-18 | 佩尔皮图姆有限公司 | An electromechanical generator for, and method of, converting mechanical vibrational energy into electrical energy |
| DE102010048781A1 (en) * | 2010-10-18 | 2012-04-19 | Epcos Ag | Piezoelectric component i.e. high voltage generator, for producing high voltages, has spatially adjacent subfields electrically coupled to one another at longitudinal end over secondary electrodes, which are electrically connected in series |
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