CN112886863B - Electromagnetic vibration energy collector - Google Patents
Electromagnetic vibration energy collector Download PDFInfo
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- CN112886863B CN112886863B CN202110138651.7A CN202110138651A CN112886863B CN 112886863 B CN112886863 B CN 112886863B CN 202110138651 A CN202110138651 A CN 202110138651A CN 112886863 B CN112886863 B CN 112886863B
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- mounting groove
- upper cover
- wave spring
- shell
- coil
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- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 6
- 230000005284 excitation Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 241001124569 Lycaenidae Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Classifications
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- 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
Abstract
The invention discloses an electromagnetic vibration energy collector which comprises a shell, an upper cover, a wave spring, a permanent magnet, an electromagnetic coil and a coil pipe, wherein a threaded through hole is formed in the center of the upper surface of the shell, the shell is in threaded connection with the upper cover matched with the threaded through hole, an upper mounting groove is formed in the outer side of the lower surface of the upper cover and is in an annular groove shape, the top of the upper mounting groove is connected with an annular base plate through a plurality of springs which are circumferentially arranged, the wave spring is fixed in the center of the lower surface of the upper cover, the upper cover is detachably connected with the wave crest of the wave spring, and the permanent magnet is fixed at the lower part of the wave spring; the bottom of casing is equipped with the lower mounting groove that sets up with last mounting groove symmetry, and rubber cushion is established to lower mounting groove inner ring, and the center department in the casing installs the coil form perpendicularly, and the upper and lower both ends of coil form are installed respectively in last mounting groove and lower mounting groove, and the winding has multiturn solenoid on the coil form. The whole structure is detachable, the installation and the detection are convenient, the wave spring is convenient to replace, and the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of energy collection, in particular to an electromagnetic vibration energy collector.
Background
The energy collector can pick up environmental energy (such as radiation, temperature difference, vibration and the like) and convert the environmental energy into electric energy to supply power to the system. Compared with the traditional electrochemical cell, the energy collector has the advantages of economy, environmental protection, no service life limitation theoretically and the like, so that the energy collector accords with the future development trend of energy sources and is very suitable for providing electric energy for emerging fields such as Internet of things and wearable equipment. Solar energy, electromagnetic radiation, temperature difference, vibration and the like are environment energy sources which can be picked up, and compared with other environment energy sources, the vibration is an energy source with wide distribution, so that the vibration energy collector has wide development and application prospects.
Vibration energy is one of the most common energies in nature, and the collection methods include piezoelectric type, electromagnetic type, electrostatic type, and the like. Of the various types of vibration energy harvesters, electromagnetic vibration energy harvesters based on the faraday's principle of electromagnetic induction have been developed most maturely. The electromagnetic energy collector generally adopts a cantilever beam structure, has the advantages of relatively simple structure, high energy density, capability of being manufactured by adopting a micro-mechanical system (MEMS) processing technology and the like compared with other collection modes, and becomes a hotspot in the field of energy collectors in recent years. The improvement of the power output density and the frequency bandwidth of the electromagnetic vibration energy collector and the development of the miniaturization and integration manufacturing technology are important development directions of the miniature electromagnetic vibration energy collector.
The existing electromagnetic vibration energy collector also has the following defects: the whole structure is not detachable, and internal parts are inconvenient to replace; the connecting point of the common spring and the energy collector is only one, and the spring is easy to deform after being used for a long time, so that the service life is seriously shortened.
Disclosure of Invention
In view of the above-mentioned technical deficiencies, it is an object of the present invention to provide an electromagnetic vibration energy harvester that solves the problems set forth in the background art.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides an electromagnetic vibration energy collector which comprises a shell, an upper cover, a wave spring, a permanent magnet, an electromagnetic coil and a coil pipe, wherein a threaded through hole is formed in the center of the upper surface of the shell, the shell is in threaded connection with the upper cover matched with the threaded through hole, an upper mounting groove is formed in the outer side of the lower surface of the upper cover and is in an annular groove shape, the top of the upper mounting groove is connected with an annular base plate through a plurality of springs which are circumferentially arranged, the wave spring is fixed in the center of the lower surface of the upper cover, the upper cover is detachably connected with the wave crest of the wave spring, and the permanent magnet is fixed at the lower part of the wave spring;
the bottom of casing is equipped with the lower mounting groove that sets up with last mounting groove symmetry, and rubber cushion is established to lower mounting groove inner ring, and the center department in the casing installs the coil form perpendicularly, and the upper and lower both ends of coil form are installed respectively in last mounting groove and lower mounting groove, and the winding has multiturn solenoid on the coil form.
Preferably, two ends of the electromagnetic coil are respectively connected with two ends of the resistor through wires.
Preferably, the cross-section of the coil form is circular or elliptical, and the shapes of the upper and lower mounting grooves are adapted to the coil form.
Preferably, the number of the first spring is 4-8.
Preferably, a plurality of buckles are fixed on the circumference of the lower surface of the upper cover, and the upper cover is connected with the wave crest of the wave spring through the buckles.
Preferably, a handle is arranged at the center of the upper surface of the upper cover.
The invention has the beneficial effects that:
(1) the invention provides vibration excitation to the shell through a vibration environment, the upper cover on the shell vibrates along with the vibration excitation, the vibration is transmitted to the permanent magnet through the spring, the permanent magnet moves up and down and cuts magnetic induction lines simultaneously, and the generated electric signal realizes the collection of low-frequency vibration energy. The generated electric signal can be stored, and can also be directly connected to an electric device for use.
(2) According to the invention, the upper cover and the permanent magnet are connected through the wave spring, the upper cover is buckled with the wave crest of the wave spring through the plurality of buckles, and the connecting points of one wave spring and the upper cover are multiple, so that the force can be evenly distributed to all stress points when the force is applied, and the service life of the wave spring can be prolonged; the deformed wave spring is convenient to replace by buckling connection, the whole energy collector is not discarded, and the use cost is reduced;
(3) the upper end and the lower end of the coil pipe are respectively arranged in the upper mounting groove and the lower mounting groove, so that the coil pipe is convenient to mount and dismount, convenient to overhaul, maintain and replace and higher in practicability; meanwhile, the upper mounting groove is internally provided with the first spring and the annular base plate, and the lower mounting groove is internally provided with the rubber cushion layer in an annular mode, so that the structure is novel, and the damage of external vibration to the coil pipe can be reduced.
(4) The whole structure is detachable, the installation and the detection are convenient, the wave spring is convenient to replace, and the service life is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view (a transparent shell is illustrated) of an electromagnetic vibration energy collector according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 1.
Fig. 4 is a schematic structural view of the wave spring.
Description of reference numerals:
1-shell, 2-upper cover, 3-wave spring, 4-permanent magnet, 5-electromagnetic coil, 6-coil tube, 11-lower mounting groove, 12-rubber cushion layer, 21-buckle, 22-handle, 23-mounting groove, 24-spring I, 25-annular backing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
as shown in fig. 1 to 4, the present invention provides an electromagnetic vibration energy collector, which includes a housing 1, an upper cover 2, a wave spring 3, a permanent magnet 4, an electromagnetic coil 5 and a coil tube 6, wherein a threaded through hole (not shown) is formed in the center of the upper surface of the housing 1, the housing 1 is in threaded connection with the upper cover 2 matched with the threaded through hole, an upper mounting groove 23 is formed in the outer side of the lower surface of the upper cover 2, the upper mounting groove 23 is in a ring groove shape, the top of the upper mounting groove 23 is connected with a ring-shaped backing plate 25 through 4 to 8 springs 24 arranged circumferentially, the wave spring 3 is fixed in the center of the lower surface of the upper cover 2, further, a plurality of buckles 21 are fixed on the circumference of the lower surface of the upper cover 2, and the upper cover 2 is fastened with the wave crest of the wave spring 3 through the plurality of buckles 21. The lower part of the wave spring 3 is fixed with a permanent magnet 4.
The bottom of casing 1 is equipped with the lower mounting groove 11 that sets up with last mounting groove 23 symmetry, and rubber cushion 12 is established to lower mounting groove 11 inner ring, and center department in the casing 1 installs coil pipe 6 perpendicularly, and the upper and lower both ends of coil pipe 6 are installed respectively in last mounting groove 23 and lower mounting groove 11, and the winding has multiturn solenoid 5 on the coil pipe 6.
The vibration environment provides vibration excitation for casing 1, and upper cover 2 on the casing 1 takes place the vibration along with vibration excitation, and the vibration passes through the spring and transmits for permanent magnet 4, cuts the magnetic induction line when permanent magnet 4 up-and-down motion, and the signal of telecommunication of production realizes the collection to low frequency vibration energy. The generated electric signal can be stored, and can also be directly connected to an electric device for use.
Furthermore, two ends of the electromagnetic coil 5 are respectively connected with two ends of the resistor 7 through conducting wires, the conducting wires are used for leading out electric signals generated by the multi-turn coil 8, the resistor 7 is connected with the electromagnetic coil 5 in parallel through the conducting wires, and when no Lorentz force coupling vibration mode exists, the resistance value of the resistor 7 is close to that of the electromagnetic coil 5, and the collected average energy is the largest.
Further, the cross section of the coil form 6 is circular or elliptical, and the shapes of the upper mounting groove 23 and the lower mounting groove 11 are adapted to the coil form 6.
The handle 22 is arranged at the center of the upper surface of the upper cover 2, so that the upper cover 2 can be conveniently screwed in and out.
Principle of operation
According to the invention, the electromagnetic coil 5 is fixed, the permanent magnet 4 moves up and down and cuts the magnetic induction lines at the same time, and the generated electric signals realize the collection of low-frequency vibration energy. The generated electric signal can be stored or can be directly connected to a power utilization device for use.
According to the invention, the upper cover 2 and the permanent magnet 4 are connected through the wave spring 3, the upper cover 2 is buckled with the wave crest of the wave spring 3 through the plurality of buckles 21, the connecting points of one wave spring 3 and the upper cover 2 are multiple, when the force is applied, the force can be evenly distributed to each force application point, and the service life of the wave spring 3 can be prolonged; the deformed wave spring is convenient to replace by buckling connection, the whole energy collector is not discarded, and the use cost is reduced;
the upper end and the lower end of the coil pipe 6 are respectively arranged in the upper mounting groove 23 and the lower mounting groove 11, so that the coil pipe 6 is convenient to mount and dismount, convenient to overhaul, maintain and replace and higher in practicability; meanwhile, because the first spring 24 and the annular backing plate 25 are arranged in the upper mounting groove 23, and the rubber cushion layer 12 is arranged in the lower mounting groove 11 in an annular mode, the structure is novel, and the damage of external vibration to the coil form 6 can be reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (1)
1. An electromagnetic vibration energy collector is characterized by comprising a shell, an upper cover, a wave spring, a permanent magnet, an electromagnetic coil and a coil pipe, wherein a threaded through hole is formed in the center of the upper surface of the shell, the shell is in threaded connection with the upper cover matched with the threaded through hole, an upper mounting groove is formed in the outer side of the lower surface of the upper cover and is in an annular groove shape, the top of the upper mounting groove is connected with an annular base plate through a plurality of springs arranged circumferentially, the wave spring is fixed in the center of the lower surface of the upper cover, the upper cover is detachably connected with the wave crest of the wave spring, and the permanent magnet is fixed at the lower part of the wave spring;
the bottom of the shell is provided with a lower mounting groove which is symmetrically arranged with the upper mounting groove, a rubber cushion layer is arranged in the lower mounting groove in an annular mode, a coil pipe is vertically mounted at the center in the shell, the upper end and the lower end of the coil pipe are respectively mounted in the upper mounting groove and the lower mounting groove, and a plurality of turns of electromagnetic coils are wound on the coil pipe;
two ends of the electromagnetic coil are respectively connected with two ends of the resistor through wires;
the cross section of the coil pipe is circular or oval, and the shapes of the upper installation groove and the lower installation groove are matched with the shape of the coil pipe;
the number of the first springs is 4-8;
a plurality of buckles are fixed on the circumference of the lower surface of the upper cover, and the upper cover is connected with the wave crest of the wave spring through the buckles;
the center of the upper surface of the upper cover is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110138651.7A CN112886863B (en) | 2021-02-01 | 2021-02-01 | Electromagnetic vibration energy collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110138651.7A CN112886863B (en) | 2021-02-01 | 2021-02-01 | Electromagnetic vibration energy collector |
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| Publication Number | Publication Date |
|---|---|
| CN112886863A CN112886863A (en) | 2021-06-01 |
| CN112886863B true CN112886863B (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110138651.7A Active CN112886863B (en) | 2021-02-01 | 2021-02-01 | Electromagnetic vibration energy collector |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102104311A (en) * | 2011-02-28 | 2011-06-22 | 浙江大学 | Electromagnetic oscillation energy collection device |
| CN203301337U (en) * | 2013-06-03 | 2013-11-20 | 张新朋 | Absorption converter of linear electromagnetic vibration energy |
| CN206948211U (en) * | 2017-07-27 | 2018-01-30 | 长安大学 | A kind of asphalt roads road surface piezoelectric generating device |
| CN108900060A (en) * | 2018-09-03 | 2018-11-27 | 北京航空航天大学 | Used in Boundary Lubrication of Magnetic Fluids type gap resonant frequencies vibrate electromagnetism energy accumulator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2507880B (en) * | 2012-11-13 | 2015-03-04 | Perpetuum Ltd | An electromechanical generator for, and method of, converting mechanical vibrational energy into electrical energy |
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2021
- 2021-02-01 CN CN202110138651.7A patent/CN112886863B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102104311A (en) * | 2011-02-28 | 2011-06-22 | 浙江大学 | Electromagnetic oscillation energy collection device |
| CN203301337U (en) * | 2013-06-03 | 2013-11-20 | 张新朋 | Absorption converter of linear electromagnetic vibration energy |
| CN206948211U (en) * | 2017-07-27 | 2018-01-30 | 长安大学 | A kind of asphalt roads road surface piezoelectric generating device |
| CN108900060A (en) * | 2018-09-03 | 2018-11-27 | 北京航空航天大学 | Used in Boundary Lubrication of Magnetic Fluids type gap resonant frequencies vibrate electromagnetism energy accumulator |
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| CN112886863A (en) | 2021-06-01 |
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