CN102723840A - Circumference magnet-cutting fluid power generation device - Google Patents
Circumference magnet-cutting fluid power generation device Download PDFInfo
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- CN102723840A CN102723840A CN201210214599XA CN201210214599A CN102723840A CN 102723840 A CN102723840 A CN 102723840A CN 201210214599X A CN201210214599X A CN 201210214599XA CN 201210214599 A CN201210214599 A CN 201210214599A CN 102723840 A CN102723840 A CN 102723840A
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a circumference magnet-cutting fluid power generation device, which comprises a rotor, a stator and a rear-end processing circuit, wherein the rotor comprises a rotary bearing, a blade and an inner wheel; one end of the blade is connected with the rotary bearing, and the other end of the blade is connected with the inner wheel; the stator comprises an outer wheel and a supporting structure, which are connected with each other; a wire is connected with the rear-end processing circuit; a magnet is arranged on the inner wheel, and the wire is arranged on the outer wheel; or, the wire is arranged on the inner wheel, and the magnet is arranged on the outer wheel; and the blade is driven by fluid and stressed, the inner wheel rotates and moves relative to the outer wheel, and the wire cuts a magnetic force line which is generated by the magnet to generate induced electromotive force, so current is generated. According to the characteristic that the circumference of the inner wheel of the rotor has maximum line speed, the magnetic force line is directly cut for power generation, and the circumference magnet-cutting fluid power generation device can be applied to the fields of wind power generation, river power generation, wave power generation, tail gas power generation and the like, and is simple in structure, high in efficiency and low in cost.
Description
Technical field
The present invention relates to technical field of power generation, relate in particular to a kind of kinetic-energy power generator that utilizes fluids such as wind, current, wave.
Background technology
In regenerative resource, the utilization of wind energy, water ability and wave energy occupies important status.
Air, water are fluid, and fluid motion promptly has kinetic energy (air like motion produces wind energy, the water generates river water ability of motion, sea, river tidal energy, ocean wave energy etc.).
And existing generation technology to wind, water mainly is exactly to have utilized them to have the characteristic of kinetic energy.At first, catch the kinetic energy of fluid, convert the mechanical energy of impeller into through blade; Through power transmission shaft, mechanical energy is passed to gear with speedup again; Make the power transmission shaft that reaches certain rotating speed drive generator at last, mechanical energy is converted into electric energy.
The basic principle of generating is: length be L, speed be the lead cutting magnetic induction of v to answer intensity be the magnetic field of B, the induced electromotive force E=BLV of generation.If lead does the circular motion that rotating speed is w, radius of turn is r, linear velocity V=wr then, induced electromotive force E=BLwr.
Because the internal diameter r of generator is less,, need to improve rotating speed w for obtaining enough linear velocities.Therefore traditional fluid dynamic energy generation technology all need be used change-speed gearing and transmission mechanism inevitably.
And, produced following problem just because of the existence of change gear box and transmission mechanism:
1, complex structure.Except that considering a plurality of change-speed gearings, also need a plurality of power transmission shafts and Lubrication Design to cooperate with it.
2, startup is difficult, loss is big, efficient is low.Have stiction and kinetic force of friction between gear, stiction makes needs bigger staring torque, and dynamic friction then can cause frictional dissipation, reduces energy conversion efficiency.
3, fragile.Because structure is accurate, facts have proved that gear box is one of very flimsy parts, and replacing costs an arm and a leg.
Summary of the invention
The present invention is directed to above-mentioned technical problem, propose a kind of circumference and cut hydromagnetic generating device, can need not to use change gear box and transmission mechanism.
In order to address the above problem, the present invention provides a kind of circumference to cut hydromagnetic generating device, comprises rotor, stator and back-end processing circuit, and said rotor comprises rolling bearing, blade and interior wheel; Said rolling bearing is positioned at the axle side center of said wheel; One end of said blade links to each other with rolling bearing, and the other end links to each other with interior wheel; Said stator comprises continuous foreign steamer and supporting construction; Said lead links to each other with said back-end processing circuit;
Wheel is provided with magnet in said, and said foreign steamer is provided with lead; Perhaps, said interior wheel is provided with lead, and said foreign steamer is provided with magnet;
Under fluid drives, vane stress, wheel rotates in making, and when producing relative motion with foreign steamer, lead cuts the magnetic line of force that said magnet produces, and produces induced electromotive force, thereby produces electric current.
Preferably, said apparatus has following characteristics:
Wheel is provided with magnet in said, when said foreign steamer is provided with lead,
Said magnet is block magnet, is evenly distributed on the circumference of said interior wheel, have between magnet at interval, and the pole orientation of adjacent magnets is opposite, and interior wheel and foreign steamer that the magnetic line of force that said magnet produces and magnetic material constitute form complete magnetic loop.
Preferably, said apparatus has following characteristics:
Said magnet adopts rare-earth magnet; Said lead is positioned at the foreign steamer inner surface, or embeds in the said foreign steamer.
Preferably, said apparatus has following characteristics:
Wheel is provided with magnet in said, when said foreign steamer is provided with lead,
Said magnet is the U type, comprises magnetic conductor and two blocks of block magnet of U type; Said magnetic conductor is evenly distributed on the circumference of said interior wheel, and said two blocks of magnet lay respectively at the inboard of said magnetic conductor, and two blocks of magnet are placed relatively and with the direction of magnetization, to form complete magnetic loop; The magnetic circuit of adjacent U type magnet is in the opposite direction.
Preferably, said apparatus has following characteristics:
Wheel and foreign steamer adopt permeability magnetic material or non-magnet material in said; Said magnet is rare-earth magnet; Said lead is positioned at the foreign steamer inner surface, or embeds in the said foreign steamer.
Preferably, said apparatus has following characteristics:
Wheel is provided with magnet in said, when said foreign steamer is provided with lead,
Wheel comprises first runner and second runner in said, and said first runner and second runner lay respectively at the both sides of said foreign steamer, and said first runner and second runner all are connected with said blade and rolling bearing;
On the circumference of said first runner and said second runner, be distributed with a plurality of magnets that are arranged in order; Said each magnet comprises four blocks of magnet that are arranged in order; Said four blocks of magnet are followed successively by first magnet, second magnet, the 3rd magnet and the 4th magnet; Wherein the pole orientation of first magnet and the 3rd magnet is the tangential direction of its place runner circumference, and the pole orientation of second magnet and the 4th magnet is the vertical direction of its place runner circumference; Perhaps, the pole orientation of first magnet and the 3rd magnet is the vertical direction of its place runner circumference, and the pole orientation of second magnet and the 4th magnet is the tangential direction of its place runner circumference;
The pole orientation of said first magnet and the 3rd magnet is opposite, and the pole orientation of said second magnet and the 4th magnet is opposite;
Magnet on said first runner and second runner is relative, but pole orientation is opposite, to form complete magnetic loop.
Preferably, said apparatus has following characteristics:
Wheel adopts permeability magnetic material or non-magnet material in said, and said foreign steamer adopts permeability magnetic material; Said magnet is rare-earth magnet; Said lead is positioned at the foreign steamer inner surface, or embeds in the said foreign steamer.
Preferably, said apparatus has following characteristics:
Wheel is provided with lead in said, and when said foreign steamer was provided with magnet, said rolling bearing was provided with brush, and said lead links to each other with said back-end processing circuit through said brush.
Preferably, said apparatus has following characteristics:
Said blade when being used for wind power generation, is traditional wind power generation blade; When current such as being used for the river generate electricity, be traditional current power generation blade; Moving vane for being made up of flabellum and rachis when being used for the phytal zone wave power generation, flabellum can rotate around rachis.
The present invention has following advantage:
1, linear velocity is high: relative motion takes place in conductor and magnet on excircle, need not under the prerequisite of speed increasing gear, and the maximum line velocity that is had on the wheel circumference in maximally utilising carries out magnetic force line cutting;
2, stable: as because magnet or conductor are positioned at the circumferential section of wheel, to make rotor have bigger moment of inertia, make and rotate even, the pulse-type disturbance when reducing the fluid impact blade;
3, simple in structure: as to have omitted the mechanism such as power transmission shaft, gear box, generator, cooling of conventional fluid kinetic energy generator, can greatly reduce cost;
4, staring torque is little, efficient is high: owing to no transmission and gear structure, do not have the stiction and the kinetic force of friction of this part, make staring torque reduce, do not have the kinetic force of friction when rotating simultaneously, make energy conversion efficiency be improved.
5, reliable and stable: save most of structure of being responsible for, equipment is simple, reliability is high.
Description of drawings
The magnet that Fig. 1 cuts hydromagnetic generating device for embodiment of the invention circumference is positioned at the sketch map that wheel, lead are positioned at foreign steamer;
The lead that Fig. 2 cuts hydromagnetic generating device for embodiment of the invention circumference is positioned at the sketch map that wheel, magnet are positioned at foreign steamer;
Fig. 3 is the embodiment of the invention " I " type magnetic circuit sketch map;
Fig. 4～Fig. 6 is the embodiment of the invention " U " type magnetic circuit sketch map;
Fig. 7 and Fig. 8 are the T-shape magnetic circuit sketch map of the embodiment of the invention;
Fig. 9 and Figure 10 are the sketch map of the loose-leaf system blade of application example of the present invention.
Embodiment
Hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
The present invention proposes a kind of increase generator radius, blade is placed the surfaces of revolution, magnet and lead are placed the rotor circumference part; Catch kinetic energy, driving rotor rotation, magnet and the lead generation relative motion of fluids such as wind or current through blade, and the device of generating.
The present invention places the circumference place of blade tip to carry out " circumference cuts magnetohydrodynamic generation " magnet and lead under the prerequisite of not using gear and transmission mechanism, utilizes the interior wheel circumference place of rotor to have the characteristics of maximum line velocity, directly cutting magnetic line generating.This device can be applied to fields such as wind-force, river, wave, emission power generation.
The definition of " circumference cuts magnetohydrodynamic generation " is following: " circumference ", magnet or lead are designed the circumferential section in rotor tip, can maximally utilise the linear velocity of rotation; " cut magnetic ", the conductor and the magnetic line of force produce relative cutting movement promptly can produce induced electromotive force, if circuit closed then produces induced current; " fluid " is primarily aimed at air, the water or other fluid medium of motion; " generating ", this device is mainly used in generating.
The present invention provides a kind of circumference to cut hydromagnetic generating device, comprises rotor, stator and back-end processing circuit, and said rotor comprises rolling bearing, blade and interior wheel; Said rolling bearing is positioned at the axle side center of said wheel; One end of said blade links to each other with rolling bearing, and the other end links to each other with interior wheel; Said stator comprises continuous foreign steamer and supporting construction; Said lead links to each other with said back-end processing circuit;
Wheel is provided with magnet in said, and said foreign steamer is provided with lead; Perhaps, said interior wheel is provided with lead, and said foreign steamer is provided with magnet;
Under fluid drives, vane stress, wheel rotates in making, and when producing relative motion with foreign steamer, lead cuts the magnetic line of force that said magnet produces, and produces induced electromotive force, thereby produces electric current.
The electric current that produces becomes the required direct current or the alternating current of fixed frequency through the rear end electric treatment.
Different according to magnet and lead position, two kinds of schemes that the present invention proposes are following.
Scheme one: magnet is positioned at wheel, lead is positioned at foreign steamer, and is as shown in Figure 1.
The zone that the blade tip of blade is inswept is called excircle, and interior wheel is installed on outer circumferential position;
Interior wheel is used for fixing magnet;
According to the difference of design, interior wheel can adopt permeability magnetic material and non-magnet material.
On the wheel, its arrangement mode is the literary composition detailed description in the back in magnet was arranged in according to certain mode;
Blade is distributed in the plane of rotation, and the Blade Design configuration of similar wind power generation is generally 4 or 6 etc., generally is in the equispaced is arranged in the wheel.
For wheel in fixing, rotor can also comprise spoke, and an end of said spoke links to each other with rolling bearing, and the other end links to each other with interior wheel.
Foreign steamer is used for fixing lead.According to the difference of design, foreign steamer can adopt permeability magnetic material and non-magnet material.
The supporting construction (not shown) gives foreign steamer and good the fixing of rolling bearing.Supporting construction is a conventional design, is not emphasis of the present invention, can be with reference to the supporting construction of generator unit stator in the prior art.
On foreign steamer, electric current is drawn, obtain the electric energy that needs through back-end processing circuit (not shown) with lead.
Scheme two: lead is positioned at wheel, magnet is positioned at foreign steamer, and is as shown in Figure 2.
The zone that the blade tip of blade is inswept is called excircle, and interior wheel is installed on outer circumferential position;
Interior wheel is used for fixing lead;
According to the difference of design, interior wheel can adopt permeability magnetic material and non-magnet material.
Blade is distributed in the plane of rotation, and the Blade Design configuration of similar wind power generation is generally 4 or 6 etc., generally is in the equispaced is arranged in the wheel.
For wheel in fixing, rotor can also comprise spoke, and an end of said spoke links to each other with rolling bearing, and the other end links to each other with interior wheel.
Foreign steamer is used for fixing magnet.According to the difference of design, foreign steamer can adopt permeability magnetic material and non-magnet material.
The supporting construction (not shown) gives foreign steamer and good the fixing of rolling bearing.
Rolling bearing is provided with brush, and said lead links to each other with back-end processing circuit (not shown) through said brush, through brush electric current is drawn, and obtains the electric energy that needs through the back-end processing circuit.
Owing to will use brush in the scheme two, in seawater, may produce electric leakage and corrosion, scheme one design of therefore preferred " magnet is positioned at wheel, lead is positioned at foreign steamer ".It is example that following magnetic Circuit Design all is positioned at wheel with magnet, but is not limited thereto, with feasible equally behind the location swap of magnet and lead.
The present invention proposes the some kinds of implementations that circumference cuts magnetic, i.e. some kinds of magnetic Circuit Design modes.
All comprise magnet and lead in each implementation.Can be respectively the distribution of magnet and lead be used for above two kinds of schemes.Describe for convenient, magnet on interior wheel, the foreign steamer and lead are done the linearization(-sation) processing, reality is circular distribution.
1, " I " type magnetic circuit such as Fig. 3 (arrow is a magnetic line of force direction among the figure):
Can adopt " magnet is positioned at wheel, lead is positioned at foreign steamer " design, as shown in Figure 1:
Wherein, Said magnet is block magnet; Be evenly distributed on the circumference of said interior wheel; Have certain intervals between magnet, the magnetic line of force that said magnet produces with said in the circumference of wheel vertical, and the pole orientation of adjacent magnets on the contrary (even first magnets N level up, then its adjacent second magnet the S level up, the 3rd magnets N level up, the S level of the 4th magnet up; By that analogy), the interior wheel and the foreign steamer of the magnetic line of force of said magnet generation and magnetic material formation form complete magnetic loop.
In wheel and foreign steamer all adopt permeability height, permeability magnetic material that saturation induction density is high, like steel etc., be convenient to form closed magnetic circuit;
Magnet adopts the rare-earth magnet that remanent magnetism is high, magnetic energy density is big, and like ndfeb magnet, the direction of magnetization such as Fig. 3 constitute the magnetic loop like Fig. 3;
The thickness of interior wheel, foreign steamer, width design are purpose to satisfy good magnetic conduction, leakage field less, the minimum thickness when its thickness should satisfy saturation magnetization as far as possible.
Lead is positioned at the inner surface of foreign steamer or embeds wherein; The arrangement mode of its lead can adopt the arrangement mode shown in Fig. 3 bottom; Be that lead adopts tortuous mode cabling; And multiple conducting wires is arranged in parallel, and the adjacent cut length spacing dl of every lead should equate with the spacing d2 of adjacent magnets, be superimposed with the electromotive force that guarantees every lead cut length.
Shown in also can image pattern 2, lead and interior wheel be fixed, magnet and foreign steamer are fixed; At this moment; Magnet is evenly distributed on the circumference of foreign steamer, has certain intervals between magnet, and the magnetic line of force that said magnet produces is vertical with the circumference of said foreign steamer; And the pole orientation of adjacent magnets is opposite, and interior wheel and foreign steamer that the magnetic line of force that said magnet produces and magnetic material constitute form complete magnetic loop.
2, " U " type magnetic circuit
Can adopt " magnet is positioned at wheel, lead is positioned at foreign steamer " design, like Fig. 4, Fig. 5 and Fig. 6;
Said magnet is the U type, is connected with interior wheel, comprises magnetic conductor and two blocks of block magnet of U type; Said magnetic conductor is evenly distributed on the circumference of said interior wheel, and said two blocks of magnet lay respectively at the inboard of said magnetic conductor, and two blocks of magnet are placed relatively and with the direction of magnetization, to form complete magnetic loop; The magnetic circuit of adjacent U type magnet is in the opposite direction, as shown in Figure 5, and the magnetic circuit direction of adjacent magnets is respectively clockwise with counterclockwise.
Interior wheel adopts non-magnet material, like aluminium alloy;
Magnetic conductor can be processed (like steel) by the magnetic material of high magnetic permeability, high saturated magnetic induction, and the thickness of its each section, Design of length need satisfy the requirement of good magnetic conduction, low magnetism leakage;
Magnet is rare-earth magnet; On two rare-earth magnets equidirectional fixing and the magnetic conductor, rare-earth magnet can adopt the ndfeb magnet that remanent magnetism is high, magnetic energy density is big, magnetic circuit such as Fig. 4 of U type magnet;
The magnetic circuit of adjacent U type magnet is in the opposite direction, and simultaneously the direction of winding of lead also should satisfy identical distance, signal such as Fig. 5 after U type magnet and lead are separated;
When foreign steamer and U type magnet take place as during the relative motion of figure v, produces electric current such as Fig. 5 of equidirectional on the wire loop;
Lead can be positioned at outer wheel surface, also can be embedded in the foreign steamer, and the arrangement mode of its lead can be identical with the arrangement mode of lead in the scheme of " I " type magnetic circuit;
Foreign steamer can constitute with permeability magnetic material or non-magnet material, cuts both ways, if adopt permeability magnetic material can reduce air gap distance, increase the air gap magnetic strength, but can increase iron loss, if adopt non-magnet material then can reduce iron loss but magnetic strength reduces relatively.
The modes of emplacement of U type magnet can have two kinds of schemes, a kind of U of being type magnet with " U " type breach direction be the tangential direction of interior wheel circumference, like Fig. 4 and Fig. 5, we are called " U " type of placing side by side; A kind of U of being type magnet with " U " type breach direction be the vertical direction of interior wheel circumference, like Fig. 6, we are called array " U " type.
Equally, also can U type magnet and foreign steamer be fixed, lead and interior wheel are fixed; At this moment, magnetic conductor is evenly distributed on the circumference of said foreign steamer, and said two blocks of magnet lay respectively at the inboard of said magnetic conductor; Two blocks of magnet are placed relatively and with the direction of magnetization, to form complete magnetic loop; The magnetic circuit of adjacent U type magnet is in the opposite direction.
3, T-shape magnetic circuit
Can adopt " magnet is positioned at wheel, lead is positioned at foreign steamer " design, like Fig. 7 and Fig. 8;
Wheel comprises first runner and second runner in said, and said first runner and second runner lay respectively at the both sides of said foreign steamer, and said first runner links to each other with said blade;
On the circumference of said first runner and said second runner, be distributed with a plurality of magnets that are arranged in order; Said each magnet comprises four blocks of magnet that are arranged in order; Said four blocks of magnet are followed successively by first magnet, second magnet, the 3rd magnet and the 4th magnet; Wherein the pole orientation of first magnet and the 3rd magnet is the tangential direction of its place runner circumference, and the pole orientation of second magnet and the 4th magnet is the vertical direction of its place runner circumference; Perhaps, the pole orientation of first magnet and the 3rd magnet is the vertical direction of its place runner circumference, and the pole orientation of second magnet and the 4th magnet is the tangential direction of its place runner circumference;
The pole orientation of said first magnet and the 3rd magnet is opposite, and the pole orientation of said second magnet and the 4th magnet is opposite;
Magnet on first runner and second runner is relative, but pole orientation is opposite, and to form complete magnetic loop, magnetic circuit is as shown in Figure 8.
Interior wheel can adopt permeability magnetic material or non-magnet material all can, have fixation and can keep system stability and intensity to get final product;
Said foreign steamer adopts permeability magnetic material;
Magnet is made up of rare-earth magnet;
Lead can be positioned at outer wheel surface, also can be embedded in the foreign steamer.
Equally, also can U type magnet and foreign steamer be fixed, lead and interior wheel are fixed, at this moment, said foreign steamer comprises first runner and second runner, and said first runner and second runner lay respectively at the both sides of said interior wheel; On the circumference of said first runner and said second runner, be distributed with a plurality of magnets that are arranged in order; Said each magnet comprises four blocks of magnet that are arranged in order; Said four blocks of magnet are followed successively by first magnet, second magnet, the 3rd magnet and the 4th magnet; Wherein the pole orientation of first magnet and the 3rd magnet is the tangential direction of its place foreign steamer circumference, and the pole orientation of second magnet and the 4th magnet is the vertical direction of its place foreign steamer circumference; Perhaps, the pole orientation of first magnet and the 3rd magnet is the vertical direction of its place foreign steamer circumference, and the pole orientation of second magnet and the 4th magnet is the tangential direction of its place foreign steamer circumference; The pole orientation of said first magnet and the 3rd magnet is opposite, and the pole orientation of said second magnet and the 4th magnet is opposite; Magnet on first runner and second runner is relative, but pole orientation is opposite, to form complete magnetic loop.
The present invention can be applicable to the generating of the phytal zone of gas, river, ocean.In order to be applicable to different application environments, the design of blade can be different: such as, adopt traditional wind blade to be used for gas generatings such as wind-force, tail gas; Adopt transmission current blade to be used for water generatings such as river; Adopt the wave power generation of moving vane with phytal zones such as Yu Haiyang, large-size lake.
Specify the design that adopts moving vane with a concrete application example below:
Consider that the phytal zone wave is mainly the reciprocating characteristics of horizontal direction, is the conversion efficiency that improves energy; Can adopt the two-way reciprocating kinetic energy of wave of catching of movable blade that becomes stagger angle; And constantly encourage impeller to press the lasting rotation of same direction; As shown in Figure 9, blade comprises flabellum and rachis, and said rachis and rolling bearing and interior wheel are connected; Like this, flabellum can freely rotate in certain angle around rachis, blade just can along with current and the rotation direction of process, make blade continue to rotate by same direction.
Figure 10 illustrates in the wave one-period, supposes that the flow path direction that comes of wave is right by left-hand, and current are drive vane, flow the from right to left situation of drive vane more from left to right; C is the velocity attitude of current, and ω is a blade rotation angular speed, and F is the pressure of current to blade, F
tBe the component (be the actuating force of blade) of pressure F on tangent line, F
nBe pressure F component in the horizontal direction, β is the corner (suppose to rotate counterclockwise into just) of flabellum, [β
1, β
2] for the corner area of flabellum (be β
1, β
2Be minimum, the hard-over of blade rotation, and β
1<0, β
2>0), wherein minimum corner β
1Scope be generally-30 the degree ~ 0 the degree, hard-over β
2Angular range be 30 the degree～60 the degree, concrete optimum β
1, β
2Angle value needs to design according to the wave situation in marine site and the demand of TRT.
Figure 10 .a representes that moving vane can be at angle [β
1, β
2] between freely rotate;
Suppose wave from left to right, the current of wave comprise from left to right in the one-period, flowing from right to left, three kinds of situation almost do not flow.
Figure 10 .b representes that when wave was attacked, current flowed from left to right, and under the pressure F of current, the corner of moving vane is beaten to maximum angle β
2The discrete F of the tangent line of water flow pressure F
tOn the rotation direction of blade, apply actuating force, the rotation of speeding-up blade;
Figure 10 .c representes that when wave refluxed, current were turned left mobile from the right side, and under the pressure F of current, the corner of moving vane is beaten to minimum angles β
1The discrete F of the tangent line of water flow pressure F
tOn the rotation direction of blade, apply actuating force, the rotation of speeding-up blade;
Figure 10 .d representes, when the current of horizontal direction are in when static, because blade exists moment of inertia to be rotated further, there is downward relative motion in static current blade in relative rotation, under the pressure F of current, and the corner β ≈ 0 of moving vane; Static current do not produce driving action to blade, but have effectively reduced the projected area of blade resistance area during corner β ≈ 0, thereby have reduced the tangential resistance of static current middle period sheet time rotational, and then can make blade and interior wheel be able to continue high speed rotating.
In sum; The circumference that the present invention proposes cuts hydromagnetic generating device can be simply, efficiently fluid can (comprise wind energy, water can, wave energy) be converted into electric energy: magnet and lead are designed the circumferential area in rotor; Maximally utilise the rotor linear velocity; Make magnet and lead relative motion cutting magnetic line on the circumference, produce electric energy.The present invention is simple in structure, cost is low, conversion efficiency is high, applied range, but both unit operations, but also multimachine is incorporated into the power networks, and has application prospect preferably.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a circumference cuts hydromagnetic generating device, comprises rotor, stator and back-end processing circuit, it is characterized in that, said rotor comprises rolling bearing, blade and interior wheel; Said rolling bearing is positioned at the axle side center of said wheel; One end of said blade links to each other with rolling bearing, and the other end links to each other with interior wheel; Said stator comprises continuous foreign steamer and supporting construction; Said lead links to each other with said back-end processing circuit;
Wheel is provided with magnet in said, and said foreign steamer is provided with lead; Perhaps, said interior wheel is provided with lead, and said foreign steamer is provided with magnet;
Under fluid drives, vane stress, wheel rotates in making, and when producing relative motion with foreign steamer, lead cuts the magnetic line of force that said magnet produces, and produces induced electromotive force, thereby produces electric current.
2. device as claimed in claim 1 is characterized in that,
Wheel is provided with magnet in said, when said foreign steamer is provided with lead,
Said magnet is block magnet, is evenly distributed on the circumference of said interior wheel, have between magnet at interval, and the pole orientation of adjacent magnets is opposite, and interior wheel and foreign steamer that the magnetic line of force that said magnet produces and magnetic material constitute form complete magnetic loop.
3. device as claimed in claim 2 is characterized in that,
Said magnet adopts rare-earth magnet; Said lead is positioned at the foreign steamer inner surface, or embeds in the said foreign steamer.
4. device as claimed in claim 1 is characterized in that,
Wheel is provided with magnet in said, when said foreign steamer is provided with lead,
Said magnet is the U type, comprises magnetic conductor and two blocks of block magnet of U type; Said magnetic conductor is evenly distributed on the circumference of said interior wheel, and said two blocks of magnet lay respectively at the inboard of said magnetic conductor, and two blocks of magnet are placed relatively and with the direction of magnetization, to form complete magnetic loop; The magnetic circuit of adjacent U type magnet is in the opposite direction.
5. device as claimed in claim 4 is characterized in that,
Wheel and foreign steamer adopt permeability magnetic material or non-magnet material in said; Said magnet is rare-earth magnet; Said lead is positioned at the foreign steamer inner surface, or embeds in the said foreign steamer.
6. device as claimed in claim 1 is characterized in that,
Wheel is provided with magnet in said, when said foreign steamer is provided with lead,
Wheel comprises first runner and second runner in said, and said first runner and second runner lay respectively at the both sides of said foreign steamer, and said first runner and second runner all are connected with said blade and rolling bearing;
On the circumference of said first runner and said second runner, be distributed with a plurality of magnets that are arranged in order; Said each magnet comprises four blocks of magnet that are arranged in order; Said four blocks of magnet are followed successively by first magnet, second magnet, the 3rd magnet and the 4th magnet; Wherein the pole orientation of first magnet and the 3rd magnet is the tangential direction of its place runner circumference, and the pole orientation of second magnet and the 4th magnet is the vertical direction of its place runner circumference; Perhaps, the pole orientation of first magnet and the 3rd magnet is the vertical direction of its place runner circumference, and the pole orientation of second magnet and the 4th magnet is the tangential direction of its place runner circumference;
The pole orientation of said first magnet and the 3rd magnet is opposite, and the pole orientation of said second magnet and the 4th magnet is opposite;
Magnet on said first runner and second runner is relative, but pole orientation is opposite, to form complete magnetic loop.
7. device as claimed in claim 6 is characterized in that,
Wheel adopts permeability magnetic material or non-magnet material in said, and said foreign steamer adopts permeability magnetic material; Said magnet is rare-earth magnet; Said lead is positioned at the foreign steamer inner surface, or embeds in the said foreign steamer.
8. device as claimed in claim 1 is characterized in that,
Wheel is provided with lead in said, and when said foreign steamer was provided with magnet, said rolling bearing was provided with brush, and said lead links to each other with said back-end processing circuit through said brush.
9. device as claimed in claim 1 is characterized in that,
Said blade when being used for wind power generation, is traditional wind power generation blade; When current such as being used for the river generate electricity, be traditional current power generation blade; Moving vane for being made up of flabellum and rachis when being used for the phytal zone wave power generation, flabellum can rotate around rachis.
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| CN201210214599XA CN102723840A (en) | 2012-06-26 | 2012-06-26 | Circumference magnet-cutting fluid power generation device |
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| CN201210214599XA CN102723840A (en) | 2012-06-26 | 2012-06-26 | Circumference magnet-cutting fluid power generation device |
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| CN103790757A (en) * | 2014-02-26 | 2014-05-14 | 四川大学 | Self power generation device of submarine pipeline |
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| CN105627548A (en) * | 2016-03-27 | 2016-06-01 | 邝继伍 | Electric water heater and control device thereof |
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| CN107370335A (en) * | 2017-07-26 | 2017-11-21 | 西安交通大学 | A kind of rotary magnetic fluid generator |
| CN108302147A (en) * | 2018-01-24 | 2018-07-20 | 广元天英精密传动系统有限公司 | A kind of gear dampers |
| CN108324163A (en) * | 2018-02-16 | 2018-07-27 | 杨明超 | A kind of medical cleaning device |
| CN108894875A (en) * | 2018-03-29 | 2018-11-27 | 李�杰 | A kind of linear power generator of high-pressure gas actuation |
| CN108757294A (en) * | 2018-06-07 | 2018-11-06 | 宁德职业技术学院 | Novel renewable energy acquisition based on wave energy utilizes device and method |
| CN108757294B (en) * | 2018-06-07 | 2023-06-06 | 宁德职业技术学院 | Novel renewable energy source collection and utilization equipment and method based on wave energy |
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| CN114389430B (en) * | 2022-01-13 | 2022-06-21 | 江苏科技大学 | Ocean wave impact dynamic load utilization equipment |
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