CN108258934A - A kind of bistable state piezoelectricity-electromagnetic power generation apparatus using fluids within pipes kinetic energy - Google Patents
A kind of bistable state piezoelectricity-electromagnetic power generation apparatus using fluids within pipes kinetic energy Download PDFInfo
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- CN108258934A CN108258934A CN201810205549.2A CN201810205549A CN108258934A CN 108258934 A CN108258934 A CN 108258934A CN 201810205549 A CN201810205549 A CN 201810205549A CN 108258934 A CN108258934 A CN 108258934A
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- 239000012530 fluid Substances 0.000 title claims abstract description 79
- 238000010248 power generation Methods 0.000 title claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000005674 electromagnetic induction Effects 0.000 claims 1
- 231100001261 hazardous Toxicity 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
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- 235000010254 Jasminum officinale Nutrition 0.000 description 1
- 240000005385 Jasminum sambac Species 0.000 description 1
- 239000003570 air Substances 0.000 description 1
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- 238000004140 cleaning Methods 0.000 description 1
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- 238000003912 environmental pollution Methods 0.000 description 1
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- 239000007789 gas Substances 0.000 description 1
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- 238000004064 recycling 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
- 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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- 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
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a kind of bistable state piezoelectricity electromagnetic power generation apparatus using fluids within pipes kinetic energy, structure mainly includes：Fluid line, shell, bistable state piezoelectric element, coil, impeller assembly, fixing axle, prisoner's energy circuit.Impeller is equipped among fluid line, impeller is fixed on fluid line inner wall by fixed link, and impeller is equipped with 4 magnet pieces.Fluid line outer surface is equipped with multiturn wire coil, and coil both sides are connect with prisoner's energy circuit；Shell, to be fixedly connected, is equipped with upper and lower two bistable state piezoelectric elements with fluid line between fluid line and shell, flexible piezoelectric member MFC, MFC the two poles of the earth are connect with prisoner's energy circuit, and piezoelectric element is fixedly mounted on the boss of housing；The kinetic energy of pipeline fluid is converted into electric energy by the present invention using piezoelectric element and electromagnetic component, and pipeline is without trepanning, electrification component and fluid isolation, no leakage, danger of hazardous electrical discharges；It is simple in structure, generating effect is good with reference to two kinds of generation modes of piezoelectricity and electromagnetism.
Description
Technical field：
The present invention relates to energy regeneratings and field of new energy technologies, and the double of fluids within pipes kinetic energy are utilized more particularly to a kind of
Stable state piezoelectricity-electromagnetic power generation apparatus.
Background technology：
In recent years, scientific and technical progress is maked rapid progress, social economy develops rapidly, and energy shortage problem highlights gradually
Come, simultaneously as environmental pollution caused by energy source use becomes a common difficulty in the puzzlement whole world.For this purpose, related scientific research people
Member constantly carries out cleaning seeking for novel energy.For example, the gas-to electricity of wind energy and the gas-to electricity of vibrational energy are carried out
It explores.In terms of the gas-to electricity of vibrational energy, mainly there are piezoelectric vibration power generation technology, electric and magnetic oscillation generation technology and electrostatic at present
Three kinds of vibrating power-generation technology, wherein, piezoelectric type power generating device have simple in structure, green non-pollution, can be under low-power consumption operating mode
It lasting energy supply and the outstanding features such as easily merges with modern micro electronmechanical product, is paid close attention to by various circles of society.
Fluid is the general name of gas and liquid, and air and water are most common fluids.And in daily life and production activity
Middle fluid is transported and is used in various pipelines.Rationally recycle fluid kinetic energy power generation so that for low-power consumption electricity
Subcomponent power supply has important practical significance.Some pipe generators occurred at present, such as application number 201320309273.5
By " the common water inlet pipe stream generating device " of red et al. the inventions of Shanghai Ocean University Song Qiu, application number 201410793559.4 by
Open " power generation water pipe " of jasmine invention etc..All just the movement of impeller rotating shaft is exported by the way of being punched in pipe side wall, into
And electromagnetic generator is driven to generate electricity, destroy original pipeline integrity.Fluid leakage even danger of hazardous electrical discharges is also easy to produce, so the knot
Structure can not be applied inflammable, toxic or to the stringent situation of seal requirement in fluid.Application number 201610748586.9 is by Hefei
" a kind of multi-direction fluid energy collection device of bistable state piezoelectric type " that Deng China of polytechnical university et al. proposes is using bistable state flexibility
Piezoelectric patches collects liquid flowing energy, and simple in structure, generating effect is preferable.It is defeated but due to being limited its flexible cantilever beam electrification structure
It is low to go out voltage signal frequency, and when fluid velocity is fast may generate " locked " phenomenon：Piezoelectric patches cannot by flow stream pressure locking
Movement, can not carry out stable electric generation.
Invention content：
The present invention is in view of the above-mentioned problems, propose a kind of bistable state piezoelectricity-Electromagnetic generation using fluids within pipes kinetic energy
Device, for collecting the kinetic energy of fluid in pipeline in production and living.Improve existing pipeline fluid electric generating device destroy original pipeline,
It is combined there are the defects of leakage danger of hazardous electrical discharges, and using two kinds of generation modes of bistable state piezo-electric generating component and coil, improves hair
Electric effect.The power generator can be to be not easy to replace the low-power consumption detection of power supply, monitoring electronic component power supply.
The invention is realized by the following technical scheme：
A kind of bistable state piezoelectricity-electromagnetic power generation apparatus using fluids within pipes kinetic energy, it is characterised in that：Structure includes：
Fluid line, shell, bistable state piezoelectric element, coil, impeller assembly, fixed link, prisoner's energy circuit.The fluid line external table
Face is additionally provided with multiturn wire coil, and coil both ends are connect with prisoner's energy circuit；The inner hub location of the fluid line is equipped with leaf
Wheel, impeller are pressed on fluid line inner wall by fixing axle, and impeller is equipped with even number magnet piece, and impeller is under the promotion of fluid
It can be freely rotated around fixing axle；The shell, to be fixedly connected, is equipped with up and down with fluid line between fluid line and shell
Two bistable state piezoelectric elements, flexible piezoelectric member MFC, MFC the two poles of the earth are connect with prisoner's energy circuit, and piezoelectric element is fixedly mounted on
On the boss of housing.During wheel rotation, the magnet piece for being arranged on impeller periphery rotates therewith and causes changes of magnetic field, coil cutting magnetic
Feel line and generate electric current, while bistable state piezoelectric element switches between the one the second stable states, MFC, which is deformed upon, to be produced electricl energy；Institute
Interface is equipped with screw thread before and after stating fluid line, can closely be connect with extraneous pipeline；
The impeller tightens knob by adjusting in fixing axle, makes fixed shaft compression fluid line inner wall both ends, so as to
Impeller is fixed on fluid line inner hub location, not in fluid line side-wall hole.
The impeller has been evenly arranged even number magnetic patch along outer circumference, and adjacent magnets block pole orientation is opposite.
The bistable state piezoelectric element is in the respectively setting 1 of fluid line upper-lower position, the magnet piece magnetic pole on piezoelectric element
Direction is identical, is all N poles towards impeller.
It is the space of real fluid flowing inside fluid line of the present invention, piezo-electric generating component is set with wire coil
It puts in the space between shell and fluid line, is isolated with fluid line internal flow, fluid leakage or leakage will not occur
Electrical phenomena.The both ends substrate of the bistable state piezoelectric element is fixed by the convex block on shell, and makes the magnet on piezoelectric element
The magnet piece of block and impeller keeps appropriate interval, ensures that piezoelectric element can smoothly be cut between the first stable state and the second stable state
It changes.The impeller is equipped with fixing axle by centre position, by rotating the length for tightening knob and adjusting fixing axle in fixing axle,
Fixed both ends of the shaft is made to be pressed on fluid line inner wall, and then fixes impeller in the case where not destroying pipeline.
Beneficial effects of the present invention：
A kind of bistable state piezoelectricity-electromagnetic power generation apparatus using fluids within pipes kinetic energy proposed by the present invention, passes through adjusting
It tightens knob and changes fixed shaft length by impeller fixed -piping inner wall, do not destroy the structure of original pipeline, fluid will not be generated and let out
Leakage or leaky are applicable to the fluid collection of energy in special circumstances such as toxic, volatile, inflammable and utilize；Bistable state pressure
Two kinds of generation modes of electrical component and wire coil combine, and improve energy harvesting capabilities, generating effect is good.
Description of the drawings：
Fig. 1 is the three-dimensional axonometric drawing of the present invention
Fig. 2 is front view of the present invention along duct orientation
Fig. 3 is the three-dimensional axonometric drawing of piezoelectricity-electromagnetic power generation component of the present invention
Wherein 1- fluid lines, 2- shells, 3- bistable states piezoelectric element, 4- coils, 5- impeller assemblies, 6- fixed links, 7-
Prisoner can circuit
Specific embodiment：
In order to be more clear the purpose of the present invention, technical solution, the present invention is carried out in conjunction with attached drawing further detailed
Explanation.
As shown in Figure 1, a kind of bistable state piezoelectricity-Electromagnetic generation dress using fluids within pipes kinetic energy of the present invention
It puts, primary structure includes：Fluid line (1), bistable state piezoelectric element (3), coil (4), impeller assembly (5), is consolidated shell (2)
Fixed pole (6), prisoner can circuits (7).The inner hub location of the fluid line (1) is equipped with impeller (5), and impeller (5) passes through fixation
Axis (6) is fixed on fluid line (1) inner wall, and impeller (5) is equipped with even number magnet piece, and impeller (5) can under the promotion of fluid
To be freely rotated around fixing axle (4)；Fluid line (1) outer surface is equipped with multiturn wire coil (4), coil (4) both ends
It is connect with prisoner's energy circuit (7), wire coil coiling length can rotate impeller magnet and produce only slight beyond the diameter of impeller (5)
Raw changes of magnetic field is made full use of, and the electric energy that coil cutting magnetic induction line generates is stored in the electricity in prisoner's energy circuit by conducting wire
Hold；The shell (2) to be fixedly connected, is equipped with upper and lower two pairs with fluid line (1) between fluid line (1) and shell (2)
Stable state piezoelectric element (3), flexible piezoelectric member MFC, MFC the two poles of the earth are connect with prisoner's energy circuit, and piezoelectric element is fixedly mounted on shell
On the boss of body.During wheel rotation, the magnet piece for being arranged on impeller (5) periphery rotates therewith and causes changes of magnetic field, and coil (4) is cut
It cuts magnetic induction line and generates electric current, while bistable state piezoelectric element switches between the one the second stable states, MFC deforms upon generation electricity
Energy；Interface is equipped with screw thread before and after the fluid line (1), can closely be connect with extraneous pipeline；
Further, impeller (5) described in attached drawing 1 adjusts fixing axle (6) by the knob that tightens adjusted in fixing axle (6)
Length, make the both ends of fixed shaft compression fluid line inner wall, so as to which impeller (5) is fixed on fluid line (1) inside center
Position not in fluid line side-wall hole, ensure that the integrality of pipeline.
As shown in Figure 2, the impeller (5) has been evenly arranged even number magnetic patch, adjacent magnets block magnetic pole along outer circumference
Direction is opposite.
Further, the bistable state piezoelectric element (3) respectively sets 1, on piezoelectric element in fluid line upper-lower position
Magnet piece pole orientation it is identical, be all N poles towards impeller (5).When impeller is started rotation by fluid excitation, due to adjacent magnetic patch
Pole orientation on the contrary, bistable state piezoelectric element under attraction-repulsion magnetic force alternating action in the first stable state and the second stable position
Between constantly switch, the MFC patches being attached on substrate, which deform, to be produced electricl energy, and pass through conducting wire by power storage prisoner can electricity
In case using in road.
The present invention the course of work be：After installation is complete, after fluid starts flowing in the duct, impeller (5) is flowed
Body promotion starts to rotate, and the faster impeller of fluid flow rate (5) rotating speed is also accordingly accelerated, and is uniformly arranged on impeller periphery, magnetic pole side
It is rotated therewith to 4 magnet pieces being arranged alternately, causes the variation of space magnetic field, be wrapped in the metal of fluid line (1) outer wall
Sensing electric current deposit prisoner is generated in coil (4) can circuit (7)；At the same time bistable state piezoelectric element (3) is handed in attraction-repulsion
For constantly switching between the first stable state and the second stable position under the magneticaction of variation, the MFC patches being attached on substrate
It deforms and produces electricl energy deposit prisoner's energy circuit (7).The recycling of energy is completed using two kinds of generation modes of piezoelectricity and electromagnetism,
Fluid flow rate, which changes, can also continue to generate electric power, and the electric energy of storage can be used for the detection for low-power consumption, monitoring sensing
Device is powered.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of bistable state piezoelectricity-electromagnetic power generation apparatus using fluids within pipes kinetic energy, it is characterised in that：Structure includes：Stream
Body pipeline (1), shell (2), bistable state piezoelectric element (3), coil (4), impeller assembly (5), fixed link (6), prisoner's energy circuit
(7)；Interface is equipped with screw thread before and after the fluid line (1), can closely be connect with extraneous pipeline；Fluid line (1) is external
Surface is additionally provided with multiturn wire coil (4), and coil (4) both sides are connect with prisoner's energy circuit (7)；The inside of the fluid line (1)
Center is equipped with impeller (5), and impeller (5) is pressed on fluid line (1) inner wall by fixing axle (6), and impeller (5) is equipped with even
Several magnet pieces, impeller (5) can be freely rotated under the promotion of fluid around fixing axle (4)；The shell (2) and fluid line
(1) to be fixedly connected, upper and lower two bistable state piezoelectric elements (3), flexible piezoelectric are equipped between fluid line (1) and shell (2)
Element is MFC, and MFC the two poles of the earth are connect with prisoner's energy circuit, and piezoelectric element is fixedly mounted on the boss of housing；The impeller (5) turns
When dynamic, the magnet piece for being arranged on impeller (5) periphery rotates therewith and surrounding magnetic field is caused to change, and then make to be arranged on pipeline external
Sensing electric current is generated in coil (4), i.e., is produced electricl energy by electromagnetic induction while bistable state piezoelectric element (3) is in magneticaction
Under constantly switch between first and second stable state, the MFC on its substrate is forced to deform upon, utilize piezoelectric effect generate electricity
Energy.
2. a kind of bistable state piezoelectricity-electromagnetic power generation apparatus using fluids within pipes kinetic energy according to claim 1, special
Sign is：The impeller (5) tightens stud by adjusting in fixing axle (6), makes fixed shaft compression fluid line inner wall both ends,
So as to which impeller (5) is fixed on fluid line (1) inner hub location, not in fluid line side-wall hole.
3. a kind of bistable state piezoelectricity-electromagnetic power generation apparatus using fluids within pipes kinetic energy according to claim 1, special
Sign is：The impeller (5) has been evenly arranged even number magnetic patch along outer circumference, and adjacent magnets block magnetic pole arranged direction is opposite.
4. a kind of bistable state piezoelectricity-electromagnetic power generation apparatus using fluids within pipes kinetic energy according to claim 1, special
Sign is：The bistable state piezoelectric element (3) is designed with piezoelectric element (3) in fluid line upper-lower position, on piezoelectric element (3)
Magnet piece magnetic pole setting direction it is identical, i.e., the same magnetic pole of all magnet pieces is both facing to impeller axis direction (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810205549.2A CN108258934A (en) | 2018-03-13 | 2018-03-13 | A kind of bistable state piezoelectricity-electromagnetic power generation apparatus using fluids within pipes kinetic energy |
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| CN201810205549.2A CN108258934A (en) | 2018-03-13 | 2018-03-13 | A kind of bistable state piezoelectricity-electromagnetic power generation apparatus using fluids within pipes kinetic energy |
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| CN108258934A true CN108258934A (en) | 2018-07-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980990A (en) * | 2019-03-27 | 2019-07-05 | 吉林大学 | Piezoelectricity-electromagnetism hybrid-driven multiple degrees of freedom precision positioning device and control method |
| CN110474481A (en) * | 2019-09-23 | 2019-11-19 | 赵小龙 | A kind of hydraulic piezoelectricity-Electromagnetic heating electricity generation system |
| CN111469794A (en) * | 2020-06-05 | 2020-07-31 | 金华一纵一横工业设计有限公司 | Vehicle window glass crushing negative pressure positioning magnetic accelerating hammer |
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|---|---|---|---|---|
| TW200925408A (en) * | 2007-12-11 | 2009-06-16 | Wen-Ho Chang | Water pipe electrical generator |
| CN101469662A (en) * | 2007-12-25 | 2009-07-01 | 张文和 | Waterpipe generator |
| TWM365409U (en) * | 2009-03-19 | 2009-09-21 | You-Ji Huang | Electricity generation device installed in fluid pipe |
| CN101825051A (en) * | 2010-04-15 | 2010-09-08 | 吴建军 | Running water pipe electricity generator and radio using running water pipe electricity generator for generating electricity |
| CN102790551A (en) * | 2012-09-01 | 2012-11-21 | 浙江师范大学 | Self-powered device for monitoring oil and gas transmission pipelines |
| CN107681922A (en) * | 2017-10-31 | 2018-02-09 | 长春工业大学 | A kind of rotary type piezoelectric harvester based on magnetic excitation |
-
2018
- 2018-03-13 CN CN201810205549.2A patent/CN108258934A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200925408A (en) * | 2007-12-11 | 2009-06-16 | Wen-Ho Chang | Water pipe electrical generator |
| CN101469662A (en) * | 2007-12-25 | 2009-07-01 | 张文和 | Waterpipe generator |
| TWM365409U (en) * | 2009-03-19 | 2009-09-21 | You-Ji Huang | Electricity generation device installed in fluid pipe |
| CN101825051A (en) * | 2010-04-15 | 2010-09-08 | 吴建军 | Running water pipe electricity generator and radio using running water pipe electricity generator for generating electricity |
| CN102790551A (en) * | 2012-09-01 | 2012-11-21 | 浙江师范大学 | Self-powered device for monitoring oil and gas transmission pipelines |
| CN107681922A (en) * | 2017-10-31 | 2018-02-09 | 长春工业大学 | A kind of rotary type piezoelectric harvester based on magnetic excitation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980990A (en) * | 2019-03-27 | 2019-07-05 | 吉林大学 | Piezoelectricity-electromagnetism hybrid-driven multiple degrees of freedom precision positioning device and control method |
| CN109980990B (en) * | 2019-03-27 | 2022-04-01 | 吉林大学 | Piezoelectric-electromagnetic hybrid drive type multi-degree-of-freedom precision positioning device and control method |
| CN110474481A (en) * | 2019-09-23 | 2019-11-19 | 赵小龙 | A kind of hydraulic piezoelectricity-Electromagnetic heating electricity generation system |
| CN111469794A (en) * | 2020-06-05 | 2020-07-31 | 金华一纵一横工业设计有限公司 | Vehicle window glass crushing negative pressure positioning magnetic accelerating hammer |
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