CN206195580U - Electromagnetic type vibration energy collector - Google Patents
Electromagnetic type vibration energy collector Download PDFInfo
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- CN206195580U CN206195580U CN201621065584.1U CN201621065584U CN206195580U CN 206195580 U CN206195580 U CN 206195580U CN 201621065584 U CN201621065584 U CN 201621065584U CN 206195580 U CN206195580 U CN 206195580U
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Abstract
The utility model discloses an electromagnetic type vibration energy collector, this electromagnetic type vibration energy collector has introduced stator magnet and rotor magnet, utilize the inter attraction power between magnet, at external low frequency at random under the excitation, the rotor magnet rotates round stator magnet, with the solenoid who is the circumference distribution relative motion takes place simultaneously, thereby produce electric energy output, it collects to realize high -efficient energy, applicablely collect in multiple complicated random vibration environment energy, frequency of operation is low, the frequency band width, application scope is wide.
Description
Technical field
The utility model belongs to power collector design field, and in particular to a kind of electromagnetic vibration energy is collected
Device.
Background technology
Technology of wireless sensing network is widely used at aspects such as military affairs, intelligent transportation, environmental monitorings.Sensor
The complexity of node deployment environment and the particularity of application request, determine that node power can not utilize normal power train
System is powered, and high cost, short life, replacing are there is again using battery powered mode.
There are the various abundant energy, energy collection technology is that one kind obtains energy turn from external environment condition in natural environment
The technology of electric energy is turned to, is the potential mode for solving wireless sensing node powerup issue.Collect environment kinetic energy and change into electric energy,
With environmental protection, wide material sources, the advantage for being capable of long-term work.Yet with the vibration source common frequency in environment it is low and frequency
Bandwidth, the randomness in vibration amplitude, frequency and direction is big, and the current universal working frequency of resonance type vibration energy harvester is high (big
In 10Hz), and often there is narrower working band and single vibration direction, environmental suitability is poor.Device is less than 10Hz's
Electricity output is low under low-frequency vibration environment, therefore common problem is to be applicable that oscillating region is narrow, output power density is low, difficult
To meet the self-powered demand of wireless sensing node.
The utility model for the vibration source frequency in environment is low and bandwidth, vibration amplitude, frequency and direction it is random
Property it is big the characteristics of, design a kind of rotating energy collector of electromagnetic type, magnets of stator and rotor magnet are introduced, using between magnet
Mutual attractive force, realizes rotational structure of the rotor magnet around magnets of stator, quickly relative between magnet and coil so as to realize
Motion, realizes that high efficiency energy is collected.Present apparatus simple structure, energy conversion efficiency are high, are applicable to Various Complex random vibration
Environmental energy is collected.
Utility model content
In view of this, the utility model provide a kind of electromagnetic vibration energy collector, by introduce magnets of stator and
Rotor magnet, using the mutual attractive force between magnet, realizes rotational structure of the rotor magnet around magnets of stator, so as to realize magnet
The quick relative motion between coil, realizes that high efficiency energy is collected, and is applicable to Various Complex random vibration environment energy receipts
Collection.
According to a kind of electromagnetic vibration energy collector that the purpose of this utility model is proposed, it is used to be converted to vibrational energy
Electric energy, the vibrational energy collector includes the magnets of stator being fixedly installed, and is distributed at least one electricity of magnets of stator outer ring
Magnetic coil, is also adsorbed with a rotor magnet in the circumference of the magnets of stator, the magnet coil is moved with the rotor magnet
Interplanar is setting up and down, and rotor magnet can do circumferential movement or reciprocating motion under outside exciting around the magnets of stator,
Rotor magnet rotates and relative motion occurs and between magnet coil, produces electric energy output.
Preferably, the magnets of stator is disc-shaped structure or cylindrical-shaped structure, the stator with the rotor magnet
Magnet is fixedly installed, and the rotor magnet is adsorbed in the edge of magnets of stator, and the circumscribed setting of magnets of stator, and around magnets of stator
Move in a circle or move back and forth.
Preferably, the magnet coil is the circle that circumferentially direction is uniformly arranged centered on magnets of stator.
Preferably, the magnet coil is that volute winds setting.
Preferably, the magnet coil is arranged at the above and or below of rotor magnet plane of movement, rotor magnet rotation
Corresponded with each magnet coil respectively within one week, relative motion occurs between each magnet coil.
Preferably, the energy harvester also includes base, and the magnets of stator, rotor magnet and magnet coil are respectively provided with
In on the base.
Preferably, a groove is formed on the base side, at least described magnets of stator is arranged at institute with rotor magnet
State in groove.
Preferably, the groove top is provided with a cover plate, and the cover plate lid is connected on base, and the groove inner wall is used to
Moving radially for rotor magnet is limited, the cover plate is used to limit the axial movement of rotor magnet.
Preferably, when outside exciting is vertical direction, to be vertically arranged, outside exciting is water to the vibrational energy collector
Square to when, the vibrational energy collector be it is horizontally disposed, outside exciting be multiple directions when, the vibrational energy collector
To be obliquely installed.
Compared with prior art, the advantage of electromagnetic vibration energy collector is disclosed in the utility model：
The electromagnetic vibration energy collector introduces magnets of stator and rotor magnet, using attracting each other between magnet
Power, under extraneous low frequency random excitation, rotor magnet is rotated around magnets of stator, while with the electromagnetic wire being circumferentially distributed
There is relative motion in circle, so as to produce electric energy to export, realize that high efficiency energy is collected, and be applicable to Various Complex random vibration environment
Collection of energy.
The collector realizes rotor magnet and line without other extra ancillary vibrations such as spring, bearing, rotational structure
The relative motion of circle, is not only simple in structure using mutual attractive force between magnet, and frictional resistance is small, so as to swash in small sample perturbations
Excitation is lower to be very easy to realize reciprocal and rotary motion.
Can realize the efficient output of the collection of energy and different excited frequencies in different direction of excitation, working frequency is low,
It is bandwidth, applied widely.
The vibration environment strong adaptability of the collector, has a wide range of application.Can be applied not only to compared with complex vibration operating mode
Collection of energy, while the random kinetic energy collecting of human body is can also be applied to, and ocean wave energy is collected.The characteristics of these environment kinetic energy
The characteristics of being low vibration frequency, vibration amplitude, frequency and big direction randomness.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of electromagnetic vibration energy collector disclosed in the utility model.
Fig. 2-4 is the set-up mode figure of collector under different direction of excitation.
The title of the digital or alphabetical representative corresponding component in figure：
1st, base 2, magnet coil 3, magnets of stator 4, rotor magnet 5, cover plate 6, groove
Specific embodiment
Just as described in the background section, because the vibration source common frequency in environment is low and bandwidth, vibration amplitude, frequency
The randomness in rate and direction is big, and the current universal working frequency of resonance type vibration energy harvester is (being more than 10Hz) high, and often has
There is narrower working band and single vibration direction, environmental suitability is poor.Device electricity under the low-frequency vibration environment less than 10Hz
Amount output is low, therefore common problem is to be applicable that oscillating region is narrow, output power density is low, it is difficult to meet wireless sensing section
The self-powered demand of point.
The utility model is directed to deficiency of the prior art, there is provided a kind of electromagnetic vibration energy collector, by drawing
Enter magnets of stator and rotor magnet, using the mutual attractive force between magnet, realize rotational structure of the rotor magnet around magnets of stator,
So as to realize quick relative motion between magnet and coil, realize that high efficiency energy is collected, be applicable to Various Complex and shake at random
Rotating ring border collection of energy.
The technical solution of the utility model will be clearly and completely described by specific embodiment below.Obviously,
Described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of the utility model protection.
Fig. 1 is referred to, as illustrated, a kind of electromagnetic vibration energy collector, is used to for vibrational energy to be converted to electric energy, energy
Amount collector includes the magnets of stator 3 being fixedly installed, at least electromagnetism that circumferentially direction is set centered on magnets of stator 3
Coil 2, is also adsorbed with a rotor magnet 4 in the circumference of magnets of stator 3, magnet coil and rotor magnet along magnets of stator axial direction
It is setting up and down.Wherein the quantity of magnet coil can adjust according to the size of collector.Because rotor magnet is around stator
The motion mode of the rotation of magnet one week, therefore, magnet coil generally selects centered on magnets of stator that circumferentially direction uniformly sets
The circle put.
In the case where there is outside exciting, rotor magnet can move in a circle or move back and forth around magnets of stator, turn
There is relative motion between the rotation of sub- magnet and magnet coil, the internal magnetic flux of magnet coil changes generation induction electric
Gesture, so as to produce electric energy to export.
Preferably, the rotor magnet in the present embodiment is one of absorption in magnets of stator circumference, certainly also can be fixed
The week of sub- magnet sets up multiple rotor magnets, it is ensured that do not interfered between each rotor magnet, particular number is not done
Limitation.
Preferably, magnets of stator 3 is with certain thickness disc-shaped structure with rotor magnet 4 in the utility model,
By setting the thickness of magnet, the tangent absorption outside two magnet is easy to implement, because magnet is circular configuration, the contact of two magnet
For linear contact lay is adsorbed, therefore suction is smaller, and there is small disturbance in outside can drive rotor magnet to be close to magnets of stator side
Edge does reciprocal or circular motion, is quick on the draw, and easy to operate, electricity delivery efficiency is high.And, by using the structure type
Magnet, the friction of motion between the two is rolling friction, and frictional force is small, and its frictional resistance coordinates much smaller than other gaps during rotation
Rotational structure, such as bearing etc..
Wherein in order to ensure the position relationship between two magnet, two magnet can be also made with certain thickness cylindric knot
Structure, magnets of stator is fixedly installed, and the rotor magnet is adsorbed in the edge of magnets of stator, with the circumscribed setting of magnets of stator.Specifically
Structure type and thickness are not limited.
Wherein, the cross section of magnets of stator can be the different structure forms such as circular or ellipse, and rotor magnet is around fixed
One week forms of motion of rotation of sub- magnet, magnet coil can be configured according to the movement locus of rotor magnet, therefore it is
No is circumference setting, relevant with the structure type of magnets of stator and the movement locus of rotor magnet, is not limited specifically.
In the utility model, magnet coil is that volute winds setting, and circular magnet coil is molded by the winding method, and
By multiple magnet coils, circumferentially direction is evenly arranged centered on magnets of stator.The coiling form and net shape of its coil
It is standard so that electromotive force high can be produced between rotor magnet, is not limited specifically.
Magnet coil may be disposed above or below rotor magnet plane of movement, or upper and lower is respectively provided with, specific root
Depending on needs.Rotor magnet rotates a circle to be corresponded with each magnet coil respectively and produces relative motion, so as to produce sensing
Electromotive force exports electric energy.
The energy harvester also includes base 1, and magnets of stator 3, rotor magnet 4 may be contained within base 1 with magnet coil 2
On.Above-mentioned each part is fixed by base 1.After magnets of stator and magnet coil are fixed one step ahead, can directly by rotor
Magnet is put on base to be adsorbed with magnets of stator and positions, after corresponding rotary motion is produced according to the change of outside exciting.
A groove 6 is formed on the side of base 1, at least magnets of stator 3 is arranged in groove with rotor magnet 4.By this
The effect of groove can also carry out spacing to the operation of rotor magnet, prevent rotor magnet from centrifugation is produced in the case where rotating speed is larger
Power effect is separated with magnets of stator and flown out.For gap is set wherein between rotor magnet and groove inner wall, it is being easy to rotor magnet just
Often operating.
Preferably, groove top is provided with a cover plate 5, and the lid of cover plate 5 is connected on base 1, is used to cover groove, and by stator
Magnet, rotor magnet and magnet coil are spacing in inside grooves.Cover plate is used to limit the axial movement of rotor magnet, to prevent
Rotor magnet flies out because rotary speed is excessive or is fixed outside plane with magnets of stator.By matching somebody with somebody for cover plate and groove
Close, realize to rotor magnet radially with axial direction on it is spacing, it is to avoid rotor magnet disengaging running rails of itself.
And, the cover plate is convenient to be dismantled, be easy to carry out the organizations tructure inside vibrational energy collector maintenance with
Safeguard, be easy to the normal of equipment to use.
As in Figure 2-4, under different direction of excitation, the modes of emplacement of the collector is also differed, when outside exciting is
During vertical direction, energy harvester to be vertically arranged, when outside exciting is horizontal direction, energy harvester be it is horizontally disposed,
When outside exciting is multiple directions, the energy harvester is to be obliquely installed.The specific set-up mode of collector is as needed
Depending on, it is not limited herein.
Operation principle of the present utility model is as follows：
When equipment is subject to outside exciting, rotor magnet 4 can planar do quick circumference fortune around magnets of stator 3
Dynamic, according to faraday electromagnetic induction principle, rotor magnet rotates and relative motion, electromagnetic wire occurs with the magnet coil being fixedly installed
Circle internal magnetic flux can change so as to produce induced electromotive force.The device can be applied not only to compared with complex vibration operating mode
Collection of energy, while the random kinetic energy collecting of human body is can also be applied to, and ocean wave energy is collected.Under different exciting patterns,
Such as vertical, level or the random vibration of any direction, realize that high efficiency energy is collected using this whirligig.
The utility model discloses a kind of electromagnetic vibration energy collector, the electromagnetic vibration energy collector is introduced
Magnets of stator and rotor magnet, using the mutual attractive force between magnet, under extraneous low frequency random excitation, rotor magnet is around fixed
Sub- magnet is rotated, while there is relative motion with the magnet coil being circumferentially distributed, so as to produce electric energy to export, is realized high
Effect collection of energy, is applicable to Various Complex random vibration environment collection of energy.
The collector realizes rotor magnet and line without other extra ancillary vibrations such as spring, bearing, rotational structure
The relative motion of circle, is not only simple in structure using mutual attractive force between magnet, and frictional resistance is small, so as to swash in small sample perturbations
Encourage and lower very easy realize reciprocal and rotary motion.
Can realize the efficient output of the collection of energy and different excited frequencies in different direction of excitation, working frequency is low,
It is bandwidth, applied widely.
The vibration environment strong adaptability of the collector, has a wide range of application.Can be applied not only to compared with complex vibration operating mode
Collection of energy, while the random kinetic energy collecting of human body is can also be applied to, and ocean wave energy is collected.The characteristics of these environment kinetic energy
The characteristics of being low vibration frequency, vibration amplitude, frequency and big direction randomness.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
1. a kind of electromagnetic vibration energy collector, is used to for vibrational energy to be converted to electric energy, it is characterised in that the vibrational energy
Collector includes the magnets of stator being fixedly installed, and is distributed in an at least magnet coil of magnets of stator outer ring, the stator magnet
A rotor magnet is also adsorbed with the circumference of iron, be between the magnet coil and the rotor magnet plane of movement it is setting up and down,
Rotor magnet can do circumferential movement or reciprocating motion, rotor magnet rotation and electromagnetism under outside exciting around the magnets of stator
There is relative motion between coil, produce electric energy output.
2. electromagnetic vibration energy collector as claimed in claim 1, it is characterised in that the magnets of stator and the rotor
Magnet is disc-shaped structure or cylindrical-shaped structure, and the magnets of stator is fixedly installed, and the rotor magnet is adsorbed in stator magnet
The edge of iron, and the circumscribed setting of magnets of stator, and move in a circle or move back and forth around magnets of stator.
3. electromagnetic vibration energy collector as claimed in claim 1 or 2, it is characterised in that the magnet coil is with fixed
The circle that circumferentially direction is uniformly arranged centered on sub- magnet.
4. electromagnetic vibration energy collector as claimed in claim 1, it is characterised in that the magnet coil is volute winding
Set.
5. electromagnetic vibration energy collector as claimed in claim 1, it is characterised in that the magnet coil is arranged at rotor
The above and or below of magnet movement plane, rotor magnet rotates a circle and is corresponded with each magnet coil respectively, with each electromagnetism
There is relative motion between coil.
6. electromagnetic vibration energy collector as claimed in claim 1, it is characterised in that the energy harvester also includes bottom
Seat, the magnets of stator, rotor magnet and magnet coil may be contained within the base.
7. electromagnetic vibration energy collector as claimed in claim 6, it is characterised in that form on the base side
Groove, at least described magnets of stator is arranged in the groove with rotor magnet.
8. electromagnetic vibration energy collector as claimed in claim 7, it is characterised in that the groove top is provided with a lid
Plate, the cover plate lid is connected on base, and the groove inner wall is used to limit moving radially for rotor magnet, and the cover plate is used to limit
The axial movement of rotor magnet.
9. electromagnetic vibration energy collector as claimed in claim 1, it is characterised in that when outside exciting is vertical direction,
To be vertically arranged, when outside exciting is horizontal direction, the vibrational energy collector sets the vibrational energy collector for level
Put, when outside exciting is multiple directions, the vibrational energy collector is to be obliquely installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065584.1U CN206195580U (en) | 2016-09-20 | 2016-09-20 | Electromagnetic type vibration energy collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065584.1U CN206195580U (en) | 2016-09-20 | 2016-09-20 | Electromagnetic type vibration energy collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206195580U true CN206195580U (en) | 2017-05-24 |
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ID=58728342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621065584.1U Active CN206195580U (en) | 2016-09-20 | 2016-09-20 | Electromagnetic type vibration energy collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206195580U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160396A (en) * | 2016-09-20 | 2016-11-23 | 苏州大学 | A kind of electromagnetic vibration energy catcher |
| CN108400696A (en) * | 2018-02-27 | 2018-08-14 | 重庆理工大学 | More magnet structures applied to energy acquisition and sensing |
-
2016
- 2016-09-20 CN CN201621065584.1U patent/CN206195580U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160396A (en) * | 2016-09-20 | 2016-11-23 | 苏州大学 | A kind of electromagnetic vibration energy catcher |
| CN108400696A (en) * | 2018-02-27 | 2018-08-14 | 重庆理工大学 | More magnet structures applied to energy acquisition and sensing |
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