CN103762908A - Method for realizing resonance in energy collector - Google Patents
Method for realizing resonance in energy collector Download PDFInfo
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- CN103762908A CN103762908A CN201410007932.9A CN201410007932A CN103762908A CN 103762908 A CN103762908 A CN 103762908A CN 201410007932 A CN201410007932 A CN 201410007932A CN 103762908 A CN103762908 A CN 103762908A
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Abstract
The invention discloses a method for realizing resonance in an energy collector. Compared with a traditional energy collector, a quality lock-spring set mechanism is installed on a mover of the energy collector. The quality lock-spring set mechanism capable of generating the phenomenon of internal resonance is added, the quality lock-spring set mechanism is connected with a permanent magnet which moves relative to a cavity or substrate, so that energy is mutually transformed among different modes, and therefore the energy harvesting efficiency is largely improved. The energy collector is designed to be of a variable structure so as to meet different requirements under various working conditions. The method for realizing resonance in the energy collector is easy to realize, does not change the original structure of the energy collector, and is wide in application range.
Description
Technical field
The present invention relates to a kind of method that realizes energy collecting device internal resonance.
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 exists energy acquisition efficiency, for different operating modes, structure is more single, can not meet the problems such as various working condition requirements.
Summary of the invention
The present invention proposes a kind of method that realizes energy collecting device internal resonance, and it is little, single for different duty construction that object is to solve the ubiquitous energy acquisition efficiency of existing energy collecting device, cannot meet the problem such as job requirement under various working.
The technical scheme that technical solution problem of the present invention adopts is:
A method that realizes energy collecting device internal resonance, is characterized in that, installation quality piece-groups of springs mechanism on the mover of energy collecting device.
Described mass-groups of springs mechanism medi-spring is coil spring, and number springs is at least two; Spring one end quality of connection piece, 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 ring-type 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 the S utmost point, and lower end is the N utmost point, described coil is around on chamber outer wall, between coil, have insulating material, 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 ring-type cylinder, and interior radius of circle is greater than the exradius of cavity, and described mass is installed on coil outside, by spring, connects suspension magnet.
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, one is arranged on the free end upper surface of 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 the upper surface N utmost point, the lower surface S utmost point, a nethermost permanent magnet upper surface S utmost point, the lower surface N utmost point; Described mover is the permanent magnet that is arranged on attached pouring weight lower surface; Described mass-groups of springs mechanism comprises spring and mass, and described mass is ring-type cylinder, connects 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 is by adding mass-groups of springs structure that can produce internal resonance phenomenon, by its with respect to cavity or substrate, have the permanent magnet of relative motion to link together, energy is mutually transformed between different mode, thereby promoted greatly energy acquisition efficiency.And by being designed to varistructure, can meet the different requirements under various working.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.
A method that realizes energy collecting device internal resonance, is characterized in that, installation quality piece-groups of springs mechanism on the mover of energy collecting device.Described mass-groups of springs mechanism medi-spring is coil spring, and number springs is at least two; Spring one end quality of connection piece, the other end is connected on the mover of energy collecting device.
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 ring-type 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 the S utmost point, lower end is the N utmost point, described coil 3 is around on cavity 2 outer walls, between coil 3, there is insulating material, 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 the N utmost point, lower end is the S utmost point, described mover is suspension magnet 4, described mass-groups of springs mechanism comprises spring 5 and mass 6, and described mass 6 is ring-type cylinder, and interior radius of circle is greater than the exradius of cavity 2, and described mass 6 is installed on coil 3 outsides, by spring 5, connects suspension magnet 4.
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 environment of living in, because suspension magnet 4 is subject to the repulsion effect of upper and lower two ends permanent magnet 1, will be by spring 5, drive mass 6 along its central axis, to do the forced vibration of above-below direction, thereby the magnetic flux of coil 3 is changed.According to Faraday's electromagnetic induction law, in coil 3, can produce induced current and induced electromotive force, thereby vibrational energy is converted into electric energy.Compared with traditional electromagnetic energy harvester, owing to having increased spring 5 and mass 6, thereby can produce peculiar internal resonance phenomenon in Non-Linear Vibration process, energy is mutually transformed between different mode, promoted greatly energy acquisition efficiency.And because the number of spring 5 can freely be selected, thereby be applicable to various operating modes.
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, one is arranged on the free end upper surface of cantilever beam 7, one is arranged on attached pouring weight 8 lower surfaces, 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 the upper surface N utmost point, the lower surface S utmost point, the a nethermost permanent magnet 1 upper surface S utmost point, the lower surface N utmost point, described mover is the permanent magnet 1 that is arranged on attached pouring weight 8 lower surfaces, described mass-groups of springs mechanism comprises spring 5 and mass 6, and described mass 6 is ring-type cylinder, connects the permanent magnet 1 of attached pouring weight 8 lower surfaces 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 environment of living in, because the cantilever beam 7 of being made by 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 be by spring 5, drive mass 6 to do the low frequency forced vibration of above-below direction, due to piezoelectric effect, produce electric energy, thereby vibrational energy is converted into electric energy.Compared with traditional piezoelectric type energy collector, owing to having increased spring 5 and mass 6, thereby can produce peculiar internal resonance phenomenon in Non-Linear Vibration process, energy is mutually transformed between different mode, promoted greatly energy acquisition efficiency.And because the number of spring 5 can freely be selected, thereby be applicable to various operating modes.
Claims (4)
1. a method that realizes energy collecting device internal resonance, is characterized in that, installation quality piece-groups of springs mechanism on the mover of energy collecting device.
2. the method that realizes energy collecting device internal resonance according to claim 1, is characterized in that, described mass-groups of springs mechanism medi-spring is coil spring, and number springs is at least two; Spring one end quality of connection piece, the other end is connected on the mover of energy collecting device.
3. the method that realizes energy collecting device internal resonance according to claim 1, it is characterized in that, 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 ring-type 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 the S utmost point, lower end is the N utmost point, 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), described mover is suspension magnet (4), described mass-groups of springs mechanism comprises spring (5) and mass (6), described mass (6) is ring-type cylinder, interior radius of circle is greater than the exradius of cavity (2), and described mass (6) is installed on coil (3) outside, by spring (5), connects suspension magnet (4).
4. the method that realizes energy collecting device internal resonance according to claim 1, it is characterized in that, 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, one is arranged on the free end upper surface of 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 the upper surface N utmost point, the lower surface S utmost point, a nethermost permanent magnet (1) the upper surface S utmost point, the lower surface N utmost point, 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 ring-type cylinder, connects 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 CN103762908B (en) | 2016-04-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333261A (en) * | 2014-11-26 | 2015-02-04 | 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022027A2 (en) * | 2009-05-08 | 2011-02-24 | University Of Utah Research Foundation | Annular thermoacoustic energy converter |
| 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 |
| US20130341936A1 (en) * | 2012-06-21 | 2013-12-26 | Alan Ruthven Wood | Tunable vibration energy harvester and method |
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2014
- 2014-01-08 CN CN201410007932.9A patent/CN103762908B/en not_active Expired - Fee Related
Patent Citations (4)
| 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 |
| WO2011022027A2 (en) * | 2009-05-08 | 2011-02-24 | University Of Utah Research Foundation | Annular thermoacoustic energy converter |
| 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 |
| US20130341936A1 (en) * | 2012-06-21 | 2013-12-26 | Alan Ruthven Wood | Tunable vibration energy harvester and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333261A (en) * | 2014-11-26 | 2015-02-04 | 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 |
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| CN103762908B (en) | 2016-04-27 |
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