CN113965105A - Vibration energy acquisition device and system based on magnetic suspension electromagnetic power generation - Google Patents
Vibration energy acquisition device and system based on magnetic suspension electromagnetic power generation Download PDFInfo
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- 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
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- 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
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
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Abstract
The application relates to a vibration energy collecting device and system based on magnetic suspension electromagnetic power generation, in particular to the field of generators. Under the action of mine vibration, the coil cover with a plurality of small magnets and coils moves upwards or downwards along the upright post, and in the process that the coil cover carries a plurality of small magnets and coils to move downwards, the coil cover provided with a plurality of small magnets moves towards the direction far away from the permanent magnet along with the plurality of small magnets and coils under the action of magnetic force, the coil inside the coil cover cuts the magnetic induction lines of the permanent magnet, when the gravity of the coil cover overcomes the repulsive force of the permanent magnet to the small magnet, the coil cover carries a plurality of small magnets and coils, and starts to move towards the direction close to the permanent magnet, in the process, the coil inside the coil cover cuts the magnetic induction lines of the permanent magnet, and due to Faraday electromagnetic induction, the coil can generate current in the process of cutting the magnetic induction lines of the permanent magnet.
Description
Technical Field
The application relates to the field of generators, in particular to a vibration energy collecting device and system based on magnetic suspension electromagnetic power generation.
Background
With the rapid growth of social production demands and the rapid development of science and technology, the real-time networked monitoring of the working condition of the intelligent coal machine equipment becomes the development trend of an intelligent mine. Due to the complex and special underground environment of the coal mine (high explosion-proof requirement, strong vibration and much dust in the mining process and high collision strength of sputtered stones), the use of the battery is strictly limited, and the battery can not work continuously for a long time if the field replacement is forbidden, so as to supply power for equipment; and wired power supply needs to perform armor protection on cables, so that the cables are heavy, the maintenance workload is large, the cable is not suitable for a rotating mechanism, and the cable is difficult to use in a large area under a mine. Therefore, the power supply problem of the underground wireless sensor network node cannot be effectively solved, so that the lack of an online monitoring means of coal equipment is caused, and the bottleneck of the development of an intelligent mine is formed.
Among the prior art, owing to the attention to the safety of mine development, then need the production safety in real-time detection mine, consequently, need monitor the inside condition in mine, prior art's detection mode all uses various sensors and electrical apparatus, but need the power supply when sensor and electrical apparatus use, use removable battery to supply power, then need often change removable battery, if use electric wire guide power supply, then the electric wire has certain problem in the inside security in mine, and because the inside vibrations that often takes place in mine, also can exert an influence to the power supply safety in mine.
Therefore, there is an urgent need for a power generation device applied to the interior of a mine on the basis of ensuring safety and stability, so as to supply power to each electrical appliance in the interior of the mine and avoid the adverse effect of vibration on a power generator.
Disclosure of Invention
The invention aims to provide a vibration energy collecting device and system based on magnetic suspension electromagnetic power generation, aiming at overcoming the defects in the prior art, and solving the problems that a power generation device which is applied to the interior of a mine on the basis of ensuring the safety and the stability is urgently needed in the prior art, is used for supplying power to each electrical appliance in the interior of the mine, and can avoid the bad influence of vibration on a generator.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, the present application provides a vibration energy harvesting device based on magnetic levitation electromagnetic power generation, the device comprising: the device comprises an outer shell, an inner shell, a permanent magnet, a plurality of small magnets, a coil cover, an upright post and a cover plate; the shell body and the interior casing are vacant shell structures, the permanent magnet sets up on the inside bottom surface of shell body, interior casing setting is inside the shell body, and the bottom of interior casing is provided with the draw-in groove, be used for fixed with the permanent magnet position, the top of casing including the stand sets up perpendicularly, the other end of stand is provided with the apron, the coil cover is established on the stand, one side that the coil cover is close to the permanent magnet is provided with a plurality of little magnets, and the magnetism of a plurality of little magnets all is opposite with the magnetism of permanent magnet, the inside coil that is provided with of coil cover.
Optionally, the inner wall of the outer shell is tangential to the outer wall of the inner shell.
Optionally, the cover plate is provided with a plurality of vent holes.
Optionally, an opening structure is arranged on the outer wall of one end of the outer shell far away from the permanent magnet.
Optionally, the device further comprises a cover, wherein an inner thread is arranged on an inner wall of the cover, an outer thread is arranged on an outer wall of the opening structure of the outer shell, and the cover is screwed on the opening structure of the outer shell and used for closing or opening the outer shell.
Optionally, one side of the coil cover close to the permanent magnet is provided with 12 embedding holes, and the 12 small magnets are respectively embedded in the embedding holes.
Optionally, an included angle between two adjacent mosaic holes in the 12 mosaic holes is 30 degrees.
Optionally, the device further comprises a current guide wire electrically connected to the lead-out wire end of the coil for leading out the current in the coil.
In a second aspect, the present application provides a vibration energy harvesting system based on magnetic levitation electromagnetic power generation, the system comprising: the voltage stabilizer is electrically connected with the outgoing line end of the coil of the device and used for stabilizing the current generated by the device.
The invention has the beneficial effects that:
the application provides a vibration energy collection system based on magnetic suspension electromagnetic power generation, the device includes: the device comprises an outer shell, an inner shell, a permanent magnet, a plurality of small magnets, a coil cover, an upright post and a cover plate; the outer shell and the inner shell are both of a hollow shell structure, the permanent magnet is arranged on the bottom surface inside the outer shell, the inner shell is arranged inside the outer shell, a clamping groove is formed in the bottom of the inner shell and used for fixing the position of the permanent magnet, the stand column is vertically arranged at the top of the inner shell, a cover plate is arranged at the other end of the stand column, the coil cover is sleeved on the stand column, a plurality of small magnets are arranged on one side, close to the permanent magnet, of the coil cover, the magnetism of the small magnets is opposite to that of the permanent magnet, and a coil is arranged inside the coil cover; the device of the application is under the action of mine vibration, the coil cover carries a plurality of small magnets and coils to move upwards or downwards along the stand column, and in the process that the coil cover carries the plurality of small magnets and the coils to move downwards, due to the principle that magnetic force has homopolar mutual exclusion, the coil cover provided with the plurality of small magnets moves towards the direction far away from the permanent magnet under the action of magnetic force, the coil inside the coil cover cuts the magnetic induction lines of the permanent magnet, when the gravity of the coil cover overcomes the repulsive force of the permanent magnet to the small magnets, the coil cover carries the plurality of small magnets and the coils to start moving towards the direction close to the permanent magnet, in the process, the coil inside the coil cover cuts the magnetic induction lines of the permanent magnet, and in the process that the coil cuts the magnetic induction lines of the permanent magnet due to Faraday, the coil will generate current; and take place the vibration in this mine, the vibration can increase the speed that this coil casing is close to and keeps away from this permanent magnet, and then makes the electric current that produces bigger, because this application utilizes the power electricity generation of gravity, magnetic force and vibration for the electric current that produces can directly be used for using, has then increased the security and the stability of the device of this application, and this application turns into the electric current with the vibration of mine inside, has avoided the not good influence that vibrations brought the generator.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a vibration energy collecting device based on magnetic levitation electromagnetic power generation according to an embodiment of the present invention;
fig. 2 is a schematic partial structural diagram of a vibration energy collecting device based on magnetic levitation electromagnetic power generation according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another vibration energy collecting device based on magnetic levitation electromagnetic power generation according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of another vibration energy collecting device based on magnetic levitation electromagnetic power generation according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another vibration energy collecting device based on magnetic levitation electromagnetic power generation according to an embodiment of the present invention.
Icon: 10-an outer shell; 20-an inner housing; 30-a permanent magnet; 40-small magnet; 50-a coil; 60-a coil housing; 70-upright column; 80-cover plate; 90-a lid.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 one embodiment of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
In order to make the implementation of the present invention clearer, the following detailed description is made with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a vibration energy collecting device based on magnetic levitation electromagnetic power generation according to an embodiment of the present invention; fig. 2 is a schematic partial structural diagram of a vibration energy collecting device based on magnetic levitation electromagnetic power generation according to an embodiment of the present invention; as shown in fig. 1 and fig. 2, the present application provides a vibration energy collecting device based on magnetic levitation electromagnetic power generation, the device includes: an outer case 10, an inner case 20, a permanent magnet 30, a plurality of small magnets 40, a coil 50, a coil cover 60, a column 70, and a cover plate 80; outer casing 10 and interior casing 20 are the shell structure, permanent magnet 30 sets up on the inside bottom surface of outer casing 10, interior casing 20 sets up inside outer casing 10, and the bottom of interior casing 20 is provided with the draw-in groove, be used for fixed with the permanent magnet 30 position, the top of casing 20 including stand 70 sets up perpendicularly, the other end of stand 70 is provided with apron 80, coil cover 60 cover is established on stand 70, one side that coil cover 60 is close to permanent magnet 30 is provided with a plurality of little magnet 40, and the magnetism of a plurality of little magnet 40 all is opposite with permanent magnet 30's magnetism, coil cover 60 cover inside is provided with coil 50.
For convenience of understanding, each part of the vibration energy collecting device based on magnetic levitation electromagnetic power generation of the present application is separately described below, and for convenience of description, the vibration energy collecting device based on magnetic levitation electromagnetic power generation is simply referred to as a device herein:
the outer shell 10, the inner shell 20, the permanent magnet 30, the plurality of small magnets 40, the coil 50, the coil cover 60, the column 70 and the cover plate 80 of the device are all arranged inside the outer shell 10, the outer shell 10 is used for wrapping and protecting other components, the inside of the outer shell 10 is a cavity structure, and the size of the outer shell 10 is set according to actual needs, and is not particularly limited herein. Generally, the outer casing 10 can be set to a plurality of specifications according to needs, that is, the device of the present application can include a plurality of specifications, and the material of the outer casing 10 is generally set to be a rigid material, so as to avoid damage to the outer casing 10 during application, and further protect the components inside the outer casing 10. In practical applications, the bottom surface of the outer casing 10 may also be provided with screw holes for connecting other devices, the device of the present application is connected with other devices through bolts, and the outer casing 10 is generally shaped as a cylinder.
The permanent magnet 30 is arranged on the bottom surface inside the outer shell 10, the type and specific magnetic force of the permanent magnet 30 are set according to actual needs, and the permanent magnet 30 is not specifically limited herein and is used for providing magnetic force for the device of the application and also can be used for adsorbing the outer shell 10 of the application on gas equipment through magnetism.
Third, an inner shell 20 is arranged inside the outer shell 10, the inner shell 20 is a hollow shell, a clamping groove is formed in the bottom surface of the inner shell 20 and used for fixing the permanent magnet 30, the inner shell 20 and the outer shell 10 are nested, and the clamping groove of the inner shell 20 and the permanent magnet 30 are the same in size. In practice, the inner housing 20 is also a rigid material, and the shape of the inner housing 20 is generally configured as a cylinder.
Fourthly, a column 70 and a cover plate 80, wherein one end of the column 70 is arranged on the surface of the inner shell 20 close to the bottom surface of the outer shell 10, the column 70 is perpendicular to the bottom surface of the inner shell 20, the other end of the column 70 is provided with the cover plate 80, the other end of the column 70 is connected with the center position of the cover plate 80, the cover plate 80 is generally arranged in a disc shape, the column 70 is perpendicular to the cover plate 80, the size of the column 70 is set according to actual needs, and no specific limitation is made again.
A plurality of small magnets 40, a coil 50 and a coil cover 60, the coil cover 60 is generally shaped like a disk, the coil 50 is disposed inside the coil cover 60 to protect the coil 50, the plurality of small magnets 40 are disposed on the bottom surface of the coil cover 60, the magnetism of the plurality of small magnets 40 is opposite to that of the permanent magnet 30, a hole is disposed at the middle position of the coil cover 60, the diameter of the hole is slightly larger than that of the column 70, so that the coil cover 60 can be sleeved on the column 70, and the side provided with the plurality of small magnets 40 is disposed close to the permanent magnet 30, since the apparatus of the present application is applied to a mine and belongs to a region where vibration occurs in the mine, the coil cover 60 in the apparatus moves upward or downward, i.e., close to or away from the permanent magnet 30, when the coil cover 60 moves upward or downward, the coil 50 in the coil housing 60 cuts the magnetic induction lines of the permanent magnet 30 to form a current, when the coil housing 60 moves upwards, due to the opposite magnetism of the permanent magnet 30 and the small magnets 40, due to the principle of mutual repulsion of the same polarity, the magnetic repulsion force between the permanent magnet 30 and the small magnets 40 causes the coil housing 60 to move further upwards, that is, the coil housing 60 is far away from the permanent magnet 30 under the action of the permanent magnet 30 and the small magnets 40, and in the movement, the coil 50 cuts the magnetic induction lines of the permanent magnet 30 to form a current; when the coil housing 60 moves upward, when the gravity of the coil housing 60 overcomes the upward force, the coil housing 60 starts to move downward, i.e. moves toward the direction close to the permanent magnet 30, the coil 50 inside the coil housing 60 cuts the magnetic induction lines of the permanent magnet 30 again, until the repulsive force of the permanent magnet 30 to the small magnets 40 overcomes the gravity of the coil housing 60, the coil housing 60 moves upward again, in this movement, the coil 50 cuts the magnetic induction lines of the permanent magnet 30 to form current, and the current is formed, so that the device of the present application completes the power generation process. In addition, because the device is arranged in a mine, and the mine vibrates frequently, when the mine vibrates, the vibration can increase the speed of the coil cover 60 provided with the small magnets 40 approaching to and away from the permanent magnet 30, so that the generated current is larger, and because the device generates electricity by utilizing the force of gravity, magnetic force and vibration, the generated current can be directly used for application, the safety and the stability of the device are improved, and the device converts the vibration in the mine into the current, thereby avoiding the bad influence of the vibration on the generator; it should be noted that the mine vibration is an excitation force of the apparatus of the present application, which excites the coil housing 60 in the apparatus to move upward or downward, and when moving upward, the force of the vibration together with the repulsive force of the permanent magnet 30 and the plurality of small magnets 40 overcomes the gravity of the coil housing 60, and when moving downward, the force of the vibration together with the gravity of the coil housing 60 overcomes the repulsive force of the permanent magnet 30 and the plurality of small magnets 40.
Optionally, bearings and lubricating fluid are provided between the post 70 and the wire cover 60 to reduce friction between the post 70 and the wire cover 60, increasing efficiency. In practical applications, the number of turns of the coil is set according to actual needs, and is not specifically limited herein, and for convenience of description, the number of turns of the coil is 14000 turns for example. In addition, can set up this stand 70 to the thin structure in thick top in bottom for coil cover 60 is when vibrations are vertical vibrations, and conversion efficiency is unchangeable, but when mine vibrations are horizontal vibrations, this coil cover 60 can be acted on the swing on this stand, and further the device that has increased this application converts the horizontal vibration of mine inside into the electric energy, further increase conversion efficiency.
In addition, in practical application, the coil 50 is externally packaged and bonded with the coil 50 made of resin material by wrapping a layer of epoxy resin glue, and a relatively hard coil cover 60 is formed after the epoxy resin glue is completely cured so as to protect the coil 50 from being damaged in the vibration process; the bore of the coil housing 60 is internally fitted with a linear bearing, and the post 70 is inserted through the center thereof to limit the position of the coil 50 and prevent the coil 50 from being jammed or turned over during vibration.
Optionally, the inner wall of the outer shell 10 is tangential to the outer wall of the inner shell 20.
The inner wall of the outer shell 10 is tangent to the outer wall of the inner shell 20, so that the outer shell 10 and the inner shell 20 support each other and are more favorable for fixing the permanent magnet 30 inside the outer shell 10.
Optionally, the cover plate 80 is provided with a plurality of vent holes.
Because this coil cover 60 is in the up-and-down reciprocating motion, can be at the inside air current that produces of this shell body 10, the air current can strike this apron 80, can cause this apron 80's deformation after long-time, and then make the life of the device of this application reduce, set up a plurality of exhaust holes on this apron 80, then make the air current that this coil cover 60 produced in up-and-down reciprocating motion discharge, the deformation of this apron 80 has further been avoided, the life of the device of this application has been prolonged in other words, in practical application, the quantity in this exhaust hole sets up according to actual need, do not specifically prescribe a limit here.
Fig. 2 is a schematic structural diagram of another vibration energy collecting device based on magnetic levitation electromagnetic power generation according to an embodiment of the present invention; as shown in fig. 2, an outer wall of the outer casing 10 at an end away from the permanent magnet 30 is optionally provided with an opening structure.
The end of the outer shell 10 far away from the permanent magnet 30 is arranged to be an opening structure, and the device is repaired and replaced through the opening position at the later stage.
Fig. 3 is a schematic structural diagram of another vibration energy collecting device based on magnetic levitation electromagnetic power generation according to an embodiment of the present invention; (ii) a As shown in fig. 3, the device optionally further includes a cover 90, wherein an inner wall of the cover 90 is provided with an internal thread, an outer wall of the opening structure of the outer casing 10 is provided with an external thread, and the cover 90 is screwed on the opening structure of the outer casing 10 for closing or opening the outer casing 10.
On the basis of setting the end of the outer shell 10 far away from the permanent magnet 30 to be an opening structure, a cover 90 is arranged on the outer shell 10, and the cover 90 is used for closing or opening the opening structure of the outer shell 10, so that the device is repaired and replaced through the opening position in the later period.
Fig. 4 is a cross-sectional view of another vibration energy collecting device based on magnetic levitation electromagnetic power generation according to an embodiment of the present invention; fig. 5 is a schematic structural diagram of another vibration energy collecting device based on magnetic levitation electromagnetic power generation according to an embodiment of the present invention; as shown in fig. 4 and 5, optionally, one side of the coil housing 60 close to the permanent magnet 30 is provided with 12 insertion holes, and 12 small magnets 40 are respectively inserted in the insertion holes.
The number of the inlaid holes is determined according to actual needs, and is not particularly limited, optionally, the inlaid holes can also be used for exhausting, so that gas resistance is reduced, and the conversion efficiency of the device to electric energy is further increased.
Optionally, an included angle between two adjacent mosaic holes in the 12 mosaic holes is 30 degrees.
In order to stabilize the current generated by the present application, 12 embedding holes are disposed on one side of the coil cover 60 close to the permanent magnet 30, and the number of the small magnets 40 is set to 12, and 12 small magnets 40 are uniformly disposed on the coil cover 60, so that the coil cover 60 is more uniform when reciprocating up and down, and further the current generated by the apparatus of the present application is more stable, optionally, the 12 small magnets 40 may be uniformly distributed at any position of the bottom surface of the coil cover 60, or may be periodically disposed on the bottom surface of the coil cover 60, where no specific limitation is made, in practical application, in order to further ensure that the current generated by the apparatus of the present application is more stable, the magnetism of the plurality of small magnets 40 is completely the same as that generated by other magnets.
Optionally, the device further comprises a current guide wire electrically connected to the outgoing wire end of the coil 50 for leading out the current in the coil 50.
The current guide wire leads out current so as to be supplied to an external electric appliance for use, and the length and other parameters of the current guide wire are set according to specific requirements and are not specifically limited; in practical application, two ends in the coil 50 are respectively welded with a twisted pair twisted by enameled copper wires with the wire diameter of 0.15, and the toughness and the strength of the thick and thin wires can meet the requirements of vibration; the two wires are spirally wound on the upright post 70, so that the vibration can be effectively avoided from being broken in the vibration process, and the current guide wire is led out through the hole on the cover plate 80 to supply power to the outside.
Optionally, the device of this application can set up a plurality of sizes as required, and then uses in the environment of difference, and the device of this application and simple, high efficiency, the high reliability of mechanism, applicable in advantages such as complicated vibration environment in the pit, overcome shortcomings such as traditional electromagnetic power generation device structure is complicated, bulky. And a low-power consumption and intelligent self-powered wireless sensor network can be constructed on the basis, so that the demonstration application of the low-power consumption and intelligent self-powered wireless sensor network of the energy collector is realized.
In order to further increase the current conversion rate of the device of the present application, friction layers are disposed on the top of the permanent magnet 30 and the bottom of the coil housing 60, and the two friction layers are respectively provided with a lead wire, and when the coil housing 60 moves up and down, the two friction layers rub against each other to generate a current, and the current is led out through the lead wires, thereby increasing the current conversion rate of the device of the present application. Specifically, an electromechanical coupling system can be added in the device of the present application, the output impedance of the electromagnetic, frictional and energy collector is greatly different, and the output impedance of the electromagnetic, frictional and energy collector is not constant due to the change of the vibration frequency, and the input impedance of the energy extraction circuit is matched with the output impedance of the composite energy collector in order to extract the maximum energy from the composite energy collector. Meanwhile, due to the interaction of each component in the system and the complexity of the energy flow rule, the coupling characteristics of each part and the flow and dissipation rule of electric energy need to be researched from the system perspective, an overall coupling design method of the composite power generation system is established, and a theoretical model of an energy management circuit is further designed and optimized, so that the overall optimization is carried out on the system, and the optimal performance is achieved.
Optionally, for the pair of energy extraction circuits, the load change may affect the change of the frequency and the parameter, causing a fluctuation phenomenon of the system operating point, and in order to track the maximum power operating point, a load balancing circuit may be used to extend or shorten the on-time of the switch by controlling the dynamic duty ratio of the switch, thereby improving the conversion efficiency of the interface circuit. If a comparator or other traditional switching elements are adopted, although switching regulation can be realized, the energy can still be consumed as an electronic device, the final output efficiency is not increased or decreased, an adaptive switching circuit based on energy accumulation and release is researched, accumulation and release of charges are automatically adjusted according to the change of an external load, an energy acquisition circuit is conducted when the composite energy collector reaches the maximum output power, and therefore the effect of performance improvement is achieved.
Specifically, this application adopts synchronous switch inductance circuit to extract the energy to alleviate the relatively low problem of vibration composite energy collection system efficiency. The traditional asynchronous switch inductance circuit generates heat and loses due to the fixed conduction voltage drop of the fly-wheel diode, so that the fly-wheel diode is replaced by a PMOS (P-channel metal oxide semiconductor) tube to reduce the heat and the loss, and the MOS tube is adopted to replace a rectifier bridge to further reduce the loss of the whole circuit. Because the piezoelectric and electromagnetic output voltages of the alternating current are higher, the output current is weak, the direct current of about 3-5V is output after passing through the rectifying circuit and the voltage reduction circuit, and then the direct current is connected to the charging circuit in parallel to charge the energy storage unit. Since the output power of the composite energy harvester may not meet the power required for the operation of the back-end sensor, the energy storage unit can only be charged first and then the sensor circuit and the data storage unit are powered.
Regarding the dynamic adjustment of the impedance in the adaptive switch control mode in the present application, for the energy extraction circuit, the load change may affect the change of the frequency and parameters, causing the fluctuation phenomenon of the system operating point, in order to track the maximum power operating point, a load balancing circuit may be adopted, and by controlling the dynamic duty cycle of the switch, the on-time of the switch is extended or shortened, and the conversion efficiency of the interface circuit is improved. If a comparator or other conventional switching elements are adopted, although switching regulation can be realized, the electronic device still consumes electric energy, so that the final output efficiency is not increased or decreased. Therefore, the self-adaptive switching circuit shown in fig. 3-2 is designed, the working state of the composite energy collector is tracked in time through the microprocessor, the DC-DC converter is controlled according to the working state, the on and off of the composite energy efficient collecting circuit are realized, and the circuit is switched on when the composite energy collector reaches the maximum output power, so that the working state of the composite energy collector is adjusted, and the effect of improving the performance is realized.
The application provides a vibration energy collection system based on magnetic suspension electromagnetic power generation, the system includes: the voltage stabilizer is electrically connected with the outgoing line end of the coil 50 of the device and is used for stabilizing the current generated by the device.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A vibration energy harvesting device based on magnetic levitation electromagnetic power generation, characterized in that the device comprises: the device comprises an outer shell, an inner shell, a permanent magnet, a plurality of small magnets, a coil cover, an upright post and a cover plate; the shell body with interior casing is the vacant shell structure, the permanent magnet sets up on the inside bottom surface of shell body, interior casing sets up inside the shell body, just the bottom of interior casing is provided with the draw-in groove for it will to fix the permanent magnet position, the stand sets up perpendicularly the top of interior casing, the other end of stand is provided with the apron, the coil cover is established on the stand, the coil cover is close to one side of permanent magnet is provided with a plurality ofly little magnet, and a plurality of the magnetism of little magnet all with the magnetism of permanent magnet is opposite, the coil cover is inside to be provided with the coil.
2. The magnetic levitation electromagnetic power generation based vibration energy harvesting device of claim 1, wherein an inner wall of the outer housing is tangential to an outer wall of the inner housing.
3. A vibration energy harvesting device based on magnetic levitation electromagnetic power generation according to claim 2, wherein the cover plate is provided with a plurality of vent holes.
4. The magnetic levitation electromagnetic power generation based vibration energy collection device according to claim 3, wherein an opening structure is arranged on the outer wall of one end of the outer shell body away from the permanent magnet.
5. A vibration energy harvesting device based on magnetic levitation electromagnetic power generation according to claim 4, further comprising a cover, wherein the cover is provided with internal threads on the inner wall, and external threads on the outer wall of the opening structure of the outer housing, and the cover is screwed with the opening structure of the outer housing to close or open the outer housing.
6. The vibration energy harvesting device based on magnetic levitation electromagnetic power generation according to claim 5, wherein 12 embedding holes are formed in one side of the coil cover close to the permanent magnet, and 12 small magnets are respectively embedded in the embedding holes.
7. The vibration energy harvesting device based on magnetic levitation electromagnetic power generation according to claim 6, wherein the included angle between two adjacent holes in the 12 holes is 30 degrees.
8. A vibration energy harvesting device based on magnetic levitation electromagnetic power generation according to claim 7, further comprising a current lead wire electrically connected to the lead wire end of the coil for leading out the current in the coil.
9. A vibration energy harvesting system based on magnetic levitation electromagnetic power generation, the system comprising: a voltage stabilizer and the vibration energy collecting device based on magnetic suspension electromagnetic power generation of any one of claims 1 to 8, wherein the voltage stabilizer is electrically connected with the leading-out wire end of the coil of the device and is used for stabilizing the current generated by the device.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436813A (en) * | 2008-12-23 | 2009-05-20 | 石才俊 | Permanent magnet auto-conduction magnetic levitation magnetic force pressure generator |
| JP2010279145A (en) * | 2009-05-28 | 2010-12-09 | Foster Electric Co Ltd | Oscillating generator |
| US20120104877A1 (en) * | 2010-11-02 | 2012-05-03 | Blake L. Isaacs | Portable Linear Generator |
| CN202340197U (en) * | 2011-11-25 | 2012-07-18 | 河北工业大学 | Electromagnetic-vibration generation device of permanent magnet |
| CN105846647A (en) * | 2016-04-19 | 2016-08-10 | 中北大学 | Coil suspension-type vibration driving electromagnetic energy harvester |
| CN113394944A (en) * | 2021-07-20 | 2021-09-14 | 中北大学 | Rotation-suspension combined type electromagnetic power generation device based on vibration environment |
-
2021
- 2021-11-15 CN CN202111345015.8A patent/CN113965105A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436813A (en) * | 2008-12-23 | 2009-05-20 | 石才俊 | Permanent magnet auto-conduction magnetic levitation magnetic force pressure generator |
| JP2010279145A (en) * | 2009-05-28 | 2010-12-09 | Foster Electric Co Ltd | Oscillating generator |
| US20120104877A1 (en) * | 2010-11-02 | 2012-05-03 | Blake L. Isaacs | Portable Linear Generator |
| CN202340197U (en) * | 2011-11-25 | 2012-07-18 | 河北工业大学 | Electromagnetic-vibration generation device of permanent magnet |
| CN105846647A (en) * | 2016-04-19 | 2016-08-10 | 中北大学 | Coil suspension-type vibration driving electromagnetic energy harvester |
| CN113394944A (en) * | 2021-07-20 | 2021-09-14 | 中北大学 | Rotation-suspension combined type electromagnetic power generation device based on vibration environment |
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