CN113381640A - Magnetic coupling vibration piezoelectric turbine generator for multi-phase environment energy collection - Google Patents
Magnetic coupling vibration piezoelectric turbine generator for multi-phase environment energy collection Download PDFInfo
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- CN113381640A CN113381640A CN202110677906.7A CN202110677906A CN113381640A CN 113381640 A CN113381640 A CN 113381640A CN 202110677906 A CN202110677906 A CN 202110677906A CN 113381640 A CN113381640 A CN 113381640A
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- 238000004873 anchoring Methods 0.000 claims abstract description 12
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- 239000012530 fluid Substances 0.000 claims abstract description 5
- 230000007613 environmental effect Effects 0.000 claims description 7
- 238000003306 harvesting Methods 0.000 claims description 4
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- 238000000429 assembly Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
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- 238000010248 power generation Methods 0.000 description 3
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- 238000005452 bending Methods 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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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
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses a magnetic coupling vibration piezoelectric turbine generator for multi-phase environment energy collection. Comprising an upper unit, a middle unit and a lower unit. The upper unit contains a turbine with blades, drive magnets, a central shaft support. The bladed turbine rotates when subjected to wind or water currents. As the turbine blades rotate, repulsion between the driving and driven magnets occurs, causing vibration and compression. The central structure consists essentially of a PENG strap assembly and a strap anchoring system. The PENG strip component can vibrate and deform according to the coupling vibration of the magnet, and generates electric energy under the action of piezoelectricity. The strap anchoring system secures the PENG strap assembly. The lower unit is composed of a lower base. The lower seat seals the PENG strip assembly within the housing to prevent fluid from entering the voltage generation zone. The generator can collect energy in a multiphase environment, has a simple structure, and can conveniently supply energy to a plurality of marine structures and underwater equipment.
Description
Technical Field
The invention belongs to the field of energy collection, and particularly relates to a magnetic coupling vibration piezoelectric turbine generator for multi-phase environment energy collection.
Background
A turbo generator is an engine that generates power by using fluid to impact an impeller to rotate. The traditional turbine power generation is characterized in that a fan blade device of a turbine generator rotates under the action of water flow impact force, then a copper coil and an electronic coil around the generator start to generate current through interaction, and the generated current is converted into direct current through various circuits and is commonly used for power generation of large-scale equipment. At present, the traditional turbine generator is complex in structure and heavy in size, and cannot meet the requirements of a multiphase environment. Therefore, it is highly desirable to design a turbine generator that can be used for multiphase environmental energy harvesting.
The development of piezoelectric materials and nanogenerators provides technical support for the present invention. A piezoelectric material is a material that generates a voltage when mechanically deformed by an external force, and conversely, when a voltage is applied across it, it is also deformed, which phenomenon is called a piezoelectric effect. The piezoelectric material is a core functional material for piezoelectric vibration energy conversion and is a key for preparing the high-performance piezoelectric energy collector. The piezoelectric nano generator is a micro generator which converts bending and compression mechanical energy into electric energy by utilizing the piezoelectric property and the semiconductor property of special nano materials, and has wide and important application in biomedicine, military affairs, wireless communication and wireless sensing.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a magnetic coupling vibration piezoelectric turbine generator for multi-phase environment energy collection, and solves the problems that the traditional turbine generator is complex in structure and cannot be used in a multi-phase environment.
The purpose of the invention is realized by the following technical scheme: a magnetic coupling vibration piezoelectric turbine generator for multi-phase environmental energy collection comprises an upper unit, a middle unit and a lower unit;
the upper unit includes a turbine with blades, a driving magnet, a central shaft support, and a ball bearing, the turbine is mounted on the central shaft support through the ball bearing, and a plurality of balls are wound around the central shaft support to improve mechanical rotation transmission efficiency in a rolling manner. The lower part of the turbine is fixedly connected with a driving magnet, and when water flow or wind power exists, the turbine drives the driving magnet to rotate;
the middle unit consists of a PENG strip component, a strip anchoring system and a driven magnet; the strip anchoring system comprises an inner sleeve and an outer ring, the sleeve is sleeved on a central shaft support of the upper unit, one end of the PENG strip component is embedded into the sleeve for fixation, and the other end of the PENG strip component is embedded into the ring for fixation and extends out of the outer side of the ring for fixed connection with the driven magnet; when the turbine rotates, the driving magnet correspondingly rotates, when the driving magnet and the driven magnet are close to each other, magnet coupling vibration is generated due to the repulsion action, the PENG strip assembly is vibrated and extruded, vibration deformation is carried out according to the magnet coupling vibration, and electric energy is generated under the piezoelectric action;
the lower unit comprises a lower base; the lower seat seals the PENG strip assembly within the housing to prevent fluid from entering the voltage generation zone.
Further, the PENG strip assemblies are four in total, evenly distributed along the circular ring of the strip anchoring system.
Furthermore, the lower unit also comprises a support rod piece and a rectifying circuit, wherein the rectifying circuit is positioned on the inner side of the lower base and is connected with the PENG strip assembly, and the generated electric energy is rectified and then converted into direct current so as to collect energy; and the support rod piece is arranged on the outer side of the lower base and used for fixing the whole generator.
The invention has the beneficial effects that: compared with the prior art, the magnetic coupling vibration piezoelectric turbine generator for multi-phase environmental energy collection can be used for multi-phase environmental energy collection. The piezoelectric turbine can collect energy in a multiphase environment, has a simple structure, and can conveniently supply energy to a plurality of marine structures and underwater equipment. The invention is characterized in that the device can be used in multiphase environment and has simple structure, when the turbine blade rotates by water flow or wind power, the rotor vibrates to drive the PENG component to deform and vibrate due to the repulsive magnetic interaction between the driver and the driven magnet, and the power generation is carried out under the piezoelectric action.
Drawings
FIG. 1 is a schematic diagram of a turbine generator in water;
FIG. 2 is a schematic view of a turbine generator in air;
FIG. 3 is a schematic view of a turbine blade configuration of an upper unit of a turbine generator;
FIG. 4 is a schematic view of a ball bearing arrangement of an upper unit of a turbine generator;
FIG. 5 is a schematic view of the upper unit drive magnet configuration of the turbine generator;
FIG. 6 is a schematic view of a turbine generator mid-section unit;
FIG. 7 is a schematic view of a lower unit of a turbine generator;
in the figure: an upper unit 1; a middle unit 2; a lower unit 3; a turbine blade 101; a drive magnet 102; a ball bearing 103; a PENG strip component 201; a strap anchoring system 202; a driven magnet 203; a base 301.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the magnetic coupling vibration piezoelectric turbine generator for multi-phase environmental energy collection provided by the invention comprises an upper unit 1, a middle unit 2 and a lower unit 3;
as shown in fig. 3, 4 and 5, the upper unit 1 includes a turbine 101 with blades, a driving magnet 102, a central shaft support on which the turbine 101 is mounted through a ball bearing 103, and a plurality of balls wound around the central shaft support in a rolling manner to improve mechanical rotation transmission efficiency. The lower part of the turbine 101 is fixedly connected with a driving magnet 102, and when water flow or wind power exists, the turbine 101 drives the driving magnet 102 to rotate;
as shown in fig. 6, the central unit 2 is composed of a PENG strap assembly 201, a strap anchoring system 202 and a driven magnet 203; the strip anchoring system 202 comprises an inner sleeve and an outer ring, the sleeve is sleeved on a central shaft support of the upper unit 1, one end of the PENG strip component 201 is embedded into the sleeve for fixing, and the other end of the PENG strip component is embedded into the ring for fixing and extends out of the outer side of the ring for fixedly connecting with the driven magnet 203; the PENG strip assemblies 201 are four in total, evenly distributed along the circular ring of the strip anchoring system 202. When the turbine 101 rotates, the driving magnet 102 correspondingly rotates, when the driving magnet 102 and the driven magnet 203 are close to each other, magnet coupling vibration occurs due to repulsion, the PENG strip assembly 201 is vibrated and extruded, vibration deformation is performed according to the magnet coupling vibration, and electric energy is generated under the piezoelectric action;
as shown in fig. 7, the lower unit 3 includes a lower base 301, support bars, and a rectifying circuit; the lower base 301 seals the PENG strip assembly 201 in the housing to prevent fluid from entering the voltage generation zone. The rectifying circuit is positioned on the inner side of the lower base 301 and connected with the PENG strip assembly 201, and the generated electric energy is rectified and then converted into direct current so as to collect energy; the support rods are mounted outside the lower base 301 for fixation of the entire generator.
The invention provides a magnetic coupling vibration piezoelectric turbine generator for multi-phase environment energy collection, which can be applied to air or water and can also be applied to a multi-phase environment partially submerged in water. The piezoelectric turbine can be used for energy collection in a multiphase environment, has a simple structure, and can conveniently supply energy to a plurality of marine structures and underwater equipment. The invention is innovative in that the invention can be used in a multiphase environment and has a simple structure, and when water flow or wind power rotates the turbine blades, the rotor vibrates to drive the PENG component to generate electricity due to repulsive magnetic interaction between the driver and the driven magnets.
Examples
The invention can be used for supplying power to the cross-sea bridge and the offshore platform sensor. When wind force makes the turbine rotate, the turbine drives the driving magnet to rotate, the driving magnet and the driven magnet generate magnet coupling vibration when approaching, and the PENG strip component close to the driven magnet generates vibration deformation under the magnet coupling effect, so that electric energy is generated according to the piezoelectric property of the PENG strip component. The electric energy is converted into direct current after the processes of rectification and the like, and the direct current supplies power for the sensors fixed on the cross-sea bridge and the offshore platform, so that the normal use of the sensors is ensured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A magnetic coupling vibration piezoelectric turbine generator for multiphase environmental energy collection, characterized by comprising an upper unit (1), a middle unit (2) and a lower unit (3);
the upper unit (1) comprises a turbine (101) with blades, a driving magnet (102), a central shaft support and a ball bearing (103), wherein the turbine (101) is mounted on the central shaft support through the ball bearing (103), and a plurality of balls surround the central shaft support to improve mechanical rotation transmission efficiency in a rolling mode. The lower part of the turbine (101) is fixedly connected with a driving magnet (102), and when water flow or wind power exists, the turbine (101) drives the driving magnet (102) to rotate;
the middle unit (2) consists of a PENG strip component (201), a strip anchoring system (202) and a driven magnet (203); the strip anchoring system (202) comprises an inner sleeve and an outer ring, the sleeve is sleeved on a central shaft support of the upper unit (1), one end of the PENG strip component (201) is embedded into the sleeve for fixing, and the other end of the PENG strip component is embedded into the ring for fixing and extends out of the outer side of the ring for fixedly connecting with the driven magnet (203); when the turbine (101) rotates, the driving magnet (102) correspondingly rotates, when the driving magnet (102) and the driven magnet (203) are close to each other, magnet coupling vibration can occur due to the repulsion effect, the PENG strip component (201) is vibrated and extruded, vibration deformation is performed according to the magnet coupling vibration, and electric energy is generated under the piezoelectric effect;
the lower unit (3) comprises a lower base (301); the lower seat (301) seals the PENG strip assembly (201) within the housing to prevent fluid from entering the voltage generation zone.
2. A magnetically coupled vibrating piezoelectric turbine generator for multiphase ambient energy harvesting according to claim 1, wherein the PENG strip assemblies (201) are four in total, evenly distributed along the circular ring of strip anchoring systems (202).
3. The magnetically coupled vibrating piezoelectric turbine generator for multiphase environmental energy harvesting of claim 1, wherein the lower unit (3) further comprises a support pole and a rectifying circuit, the rectifying circuit is located inside the lower base (301) and connected with the PENG strip assembly (201), and the generated electric energy is rectified to become direct current, so as to perform energy harvesting; the support rod is arranged on the outer side of the lower base (301) and used for fixing the whole generator.
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CN202110677906.7A CN113381640A (en) | 2021-06-18 | 2021-06-18 | Magnetic coupling vibration piezoelectric turbine generator for multi-phase environment energy collection |
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CN202110677906.7A CN113381640A (en) | 2021-06-18 | 2021-06-18 | Magnetic coupling vibration piezoelectric turbine generator for multi-phase environment energy collection |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104485843A (en) * | 2015-01-07 | 2015-04-01 | 浙江师范大学 | Micro-miniature piezoelectric wind driven generator |
CN108347196A (en) * | 2018-04-26 | 2018-07-31 | 南京信息工程大学 | A kind of vibrational energy acquisition system based on magnetic electric compound material |
CN108386317A (en) * | 2018-03-15 | 2018-08-10 | 大连理工大学 | A kind of double-form multifunction piezoelectric actuator wind-energy collecting device |
CN110473960A (en) * | 2019-08-26 | 2019-11-19 | 西安电子科技大学 | Piezoelectric material, piezoelectric material Preparation method and use |
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2021
- 2021-06-18 CN CN202110677906.7A patent/CN113381640A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104485843A (en) * | 2015-01-07 | 2015-04-01 | 浙江师范大学 | Micro-miniature piezoelectric wind driven generator |
CN108386317A (en) * | 2018-03-15 | 2018-08-10 | 大连理工大学 | A kind of double-form multifunction piezoelectric actuator wind-energy collecting device |
CN108347196A (en) * | 2018-04-26 | 2018-07-31 | 南京信息工程大学 | A kind of vibrational energy acquisition system based on magnetic electric compound material |
CN110473960A (en) * | 2019-08-26 | 2019-11-19 | 西安电子科技大学 | Piezoelectric material, piezoelectric material Preparation method and use |
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