CN102299668A - Hybrid excitation magnetic energy generating device based on Halbach array and application thereof - Google Patents
Hybrid excitation magnetic energy generating device based on Halbach array and application thereof Download PDFInfo
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- CN102299668A CN102299668A CN2010102136262A CN201010213626A CN102299668A CN 102299668 A CN102299668 A CN 102299668A CN 2010102136262 A CN2010102136262 A CN 2010102136262A CN 201010213626 A CN201010213626 A CN 201010213626A CN 102299668 A CN102299668 A CN 102299668A
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Abstract
The invention relates to a hybrid excitation magnetic energy generating device based on a Halbach array. The device mainly comprises a rotor (3), a Halbach array magnetic ring (1), crank iron cores (4) and exciting windings (2). The device is characterized in that the Halbach array magnetic ring in the form of distribution of permanent magnets with four or more pairs of poles is arranged around the rotor and is formed by radial permanent magnets and tangential and/or oblique permanent magnets; the S poles and N poles of the magnetic ring are arranged alternately; four or more exciting windings arranged on the crank iron cores are symmetrically or uniformly distributed around the rotor; one half of the windings on the iron cores are set to be arranged with S poles toward the axis; the other half of the windings on the iron cores are set to be arranged with N poles toward the axis; and the windings on the iron cores are arranged opposite to the magnetic ring on the rotor and are symmetrically or uniformly distributed around the axis. The power of mechanical reciprocating swing generated by the magnetic energy generating device is converted to the power of mechanical rotary motion or mechanical reciprocating motion by a fluid transmission system or ratchet mechanism and the latter power is output.
Description
Technical field
The present invention relates to a kind of energy, dynamical system, the particularly a kind of magnetic energy generating device of the composite excitation based on the Halbach array and the system of power conversion and output.
Technical background
Faraday in 1821 finds that electrified wire can rotate around permanent magnet, has invented magneto.The Hui Sitong of Britain in 1857 replaces permanent magnet with electromagnet, has invented electric excitation mode, has started new era of electro-magnetic motor.But above motor all is the instrument of power conversion.
Prior art: " magnetic energy amplifier " of my application, " permanent magnetism energy prime mover ", " the magnetic force machine of fluid transmission ", " a kind of array permanent magnetism energy generating means and application thereof " etc.Below all be based on the permanent magnetic energy machine device of permanent magnet.
The present invention introduces magnetic energy generating device with the method for electric excitation, is a kind of magnetic energy generating device and application technology thereof of the composite excitation based on Halbach array permanent magnetism ring.The method that adds electric excitation in the magnetic energy generating device can be by changing the electric current of excitation winding, the intensity of regulating air-gap field easily, thereby the governor control characteristics of realization wide region.
Summary of the invention
The present invention is achieved in that a kind of composite excitation magnetic energy generating device based on the Halbach array, mainly form by rotor (3), Halbach array magnet ring (1), rocking handle iron core (4) and excitation winding (2), it is characterized in that: be provided with the Halbach array magnet ring of the four pairs of utmost points being made up of radial permanent magnet body and tangential and/or oblique permanent magnet or the four pairs permanent magnet distribution form more than extremely around the rotor, the S magnetic pole of magnet ring and N magnetic pole are alternately; Be located at more than 4 or 4 excitation winding on the rocking handle iron core be symmetrically or evenly distributed in rotor around, the quantity of winding unshakable in one's determination is 2 common multiple, wherein, have a half-core winding to be set at the S utmost point and arrange to axle, other has the winding unshakable in one's determination of half to be set at the N utmost point to arrange to axle; Winding unshakable in one's determination is relative with epitrochanterian magnet ring and establish and around axial symmetry or be evenly distributed.
The composite excitation magnetic energy generating device is a kind of energy-producing device, its basic principle is: rotor is driven by prime mover, during rotor rotation; rocking handle winding unshakable in one's determination and epitrochanterian magnet ring alternately produce suction and repulsion;, outwards export mechanical reciprocating power to the angular motion power of rocking handle generation reciprocally swinging.Owing to act on epitrochanterian suction and repulsion all is that symmetry is offset, thus the just friction that prime mover consumes, and rocking handle externally output be the suction and the repulsion of magnetic, the energy of output is greater than the energy of input.
The magnet ring of four pairs of utmost points be equivalent to magnet ring have 4 S extremely outwards, 4 N extremely outwards and 4 S extremely inwardly, 4 N are extremely inside.According to the Halbach array, the magnet ring of 4 pairs of utmost points is made up of 16 blocks of magnet steel at least, and the magnet ring of common 4 pairs of utmost points is made up of 16 or 24 or 48 blocks of magnet steel.This Halbach array magnet ring, one side of magnetic field enhancing are facing to air gap, and one side of field weakening is facing to rotor yoke, and air-gap flux obtains increasing like this, and the magnetic flux in the rotor yoke reduces, and the power density of permanent magnetism energy generating means is improved relatively.There is above advantage just because of Halbach array magnet ring, makes rotor yoke adopt ferromagnetism made in addition to become possibility.
Described radial permanent magnet body, tangential permanent magnet body and oblique permanent magnet refer to magnetic line of force direction (or magnetizing direction) in annulus for radially or permanent magnet tangential or that the inclination certain angle is arranged.
Data according to relevant Halbach array shows that Halbach array magnet ring is the ring of a circle.Except the circular magnet ring that adopts the Halbach array, the polygon array magnet ring of the four pairs of utmost points that this magnetic energy generating device adopts creatively also that a kind of radial permanent magnet body and tangential and/or oblique permanent magnet form or the four pairs permanent magnet distribution form more than extremely.Therefore polygon array magnet ring can reduce cost than the easier assembling of circular array magnet ring.
The same with common motor, electric excitation needs a terminal box, and each winding unshakable in one's determination all has two lines to receive terminal box.And each winding unshakable in one's determination all is a direction of having set fixed magnetic pole.
Epitrochanterian magnet ring is by 16 or 16 circular magnet rings that above arc permanent magnet is formed, and perhaps, epitrochanterian magnet ring is by 16 or 16 polygon magnet rings that above linear permanent magnet is formed, as 16 limit shapes, 24 limit shapes etc.The quantity of magnet is 8 common multiple, as 24,48 etc.The polygon magnet ring is based on regular polygon, fills perhaps in the magnetic pole symmetry or is evenly distributed under the prerequisite of magnet ring, makes non-regular polygon, promptly forms the part magnet of magnet ring and does more greatly, and partly magnet is done a little bit smaller.
Because high-performance magnet, size as permanent magnet materials such as Ru-Fe-Mns is less, and (machinery and technology limitation are magnetized, at present uncommon native magnetic material producer generally can not produce oversize uncommon native high performance magnetic material), if do the powerful magnetic motivation of function, often need that magnet ring is made multistage and rejoin.The multistage magnet ring can adopt the mode of homopolarity butt joint or heteropole butt joint to be joined together.Because the repulsion of homopolarity butt joint is bigger, need special anchor clamps to dock, also can install by the mode that strengthens the distance between two sections magnet or the magnet ring, make installation not be subjected to the influence of repulsion, but the size of machine is strengthened.
The manufacture method of Halllach array magnet ring: (1), according to the topological structure of array, use the magnet segment that magnet glue will magnetize in advance to be sticked together.Because of the repulsive interaction between each magnet segment is very strong, so in adhesion, will use mould to clamp.It is lower that this method is made efficient, but be easier to realize, relatively is fit to the use of laboratory research stage.(2), at first utilize the method for mold filling or pressing mold to make a complete magnet ring, in special anchor clamps, magnetize the array structure that adopts this method to process then.This method working (machining) efficiency height than being easier to realize mass production, but needs specialized designs magnetizing clamp and the formulation technology that magnetizes.
The power of the mechanical reciprocally swinging that the composite excitation magnetic energy generating device produces converts mechanical rotation movement or mechanical reciprocating power output to by transmission fluid or ratchet mechanism.
Transmission fluid mainly by pipeline (18,18.1), the reciprocating power conversion of machinery can be become fluid direct current shuttling movement or fluid reciprocating motion power the swing cylinder pressure with can become the fluid motor of mechanical rotation movement or mechanical reciprocating motion power or piston cylinder pressure to form fluid direct current shuttling movement or fluid reciprocating motion power conversion.
The swing cylinder pressure comprises vane type or rack-and-pinion piston type or bidentate wheel double rack piston type or plunger type or the double-screw type swing cylinder pressure and the vane type that mechanical reciprocating power conversion more than 4 or 4 can be become fluid direct current shuttling movement or fluid reciprocating motion power or rack-and-pinion piston type or bidentate wheel double rack piston type or plunger type or double-screw type swing cylinder pressure that a reciprocating power conversion of machinery can be become fluid direct current shuttling movement or fluid reciprocating motion power.Gateway at common swing cylinder pressure installs triple valve additional, can realize the reciprocating power conversion of machinery is become the power of fluid direct current shuttling movement.Be provided with buffer unit in the swing cylinder pressure, in case swing component and cylinder body collide mutually.Buffer unit is when utilizing swing component to move near terminal point, a part of fluid between swing component and the cylinder body is sealed, forced fluid from aperture or slit, to be extruded, thereby produce very big resistance, make the workpiece braking, avoid the mutual collision of swing component and cylinder body.
Ratchet mechanism comprises the engagement type ratchet mechanism or the friction-type ratchet mechanism that the reciprocating power conversion of one or more machineries can be become mechanical rotation movement power; Engagement type ratchet mechanism is outer ratchet or interior ratchet ratchet mechanism, and profile of tooth is lance tooth or rectangular teeth; Engagement type ratchet mechanism is single-lift or the double-acting ratchet mechanism; The friction-type ratchet mechanism is eccentric Wedge-type ratchet mechanism or roller wedging type ratchet mechanism.The ratchet mechanism of being made up of a ratchet and a plurality of detent mechanisms can realize the reciprocating power conversion of a plurality of machineries is become the power of mechanical rotation movement.
Because rocking handle is only done oscillating motion, and the distance of rocking handle winding unshakable in one's determination and magnet ring can not be excessive, must the hunting range of rocking handle be limited, and collides mutually with magnet ring to prevent that rocking handle is unshakable in one's determination.When the power of the mechanical reciprocally swinging that produces when magnetic energy generating device is outwards exported by transmission fluid, can realize restriction by the buffer unit in swing cylinder pressure or the piston cylinder to the hunting range of rocking handle.When the power of the mechanical reciprocally swinging that produces when magnetic energy generating device is outwards exported by ratchet mechanism, can utilize the hunting range of stop limits ratchet, and then the hunting range of restriction rocking handle.Owing to utilize the stop limits swing can produce bigger noise and vibration, therefore will do Cushioning Design to block.
Rocking handle is provided with rocking bar, by the outside outputting power of rocking bar.Many rocking bars of composite excitation magnetic energy generating device are outside outputting powers respectively, perhaps, by linkage gear with the power concentration of a plurality of reciprocally swingings of many rocking bars in an outside outputting power of rocking bar.When many outside outputting powers of rocking bars difference, power maybe can become a plurality of mechanical reciprocating motion power conversion the ratchet mechanism output of mechanical rotation movement power by the swing cylinder pressure that a plurality of mechanical reciprocating motion power conversion can be become the fluid transfer motion power.When the power of a plurality of reciprocally swingings concentrated on the outside outputting power of rocking bar by linkage gear (6), power maybe can become a mechanical reciprocating motion power conversion ratchet mechanism output of mechanical rotation movement power by the swing cylinder pressure that a mechanical reciprocating motion power can be changed into the fluid transfer motion power.
Linkage gear is located on the rocking bar, and the linkage gear number is identical with the quantity of rocking handle, is even number also, and adjacent linkage gear is meshing with each other, and the direction of adjacent linkage gear swing (rotation) must be opposite.Therefore if adopt linkage gear, adjacent rocking handle winding unshakable in one's determination must the S utmost point with the N utmost point alternately so that the direction that adjacent rocking handle is swung is opposite.When the size of magnetic energy generating device is big, in order to reduce the size of linkage gear, can between adjacent linkage gear, add ellipse the wheel, if the direction of rotation of two adjacent linkage gears is opposite, then ellipse quantity of taking turns is even number between two gears, if the direction of rotation of two adjacent linkage gears is identical, then ellipse quantity of taking turns is odd number between two gears.
Because the angle of linkage gear swing less (about about 10 to 15 degree), thus between linkage gear and swing cylinder pressure or the ratchet mechanism by one or more idler gear (9) transferring power, with the pendulum angle of amplification swing component.
Described fluid is liquid or gas, and described swing cylinder pressure is hydraulic cylinder or pneumatic cylinder, and described fluid motor is hydraulic motor or air pressure motor.
In actual applications, hydraulic system or baric systerm often also have a lot of relevant parts and Technology Needs to use, as Pressure gauge, filter or the like, because the technology comparative maturity of fluid rotation, so repeat no more.
Description of drawings
Fig. 1 is the first embodiment of the invention structural representation.
Fig. 2 is the magnetic line of force direction schematic diagram of each magnet in the magnet ring of first embodiment.
Fig. 3 is the second embodiment of the invention structural representation.
Fig. 4 is the magnetic line of force direction schematic diagram of each magnet in the magnet ring of second embodiment.
Fig. 5 is the third embodiment of the invention structural representation.
Fig. 6 is the magnetic line of force direction schematic diagram of each magnet in the magnet ring of the 3rd embodiment.
Fig. 7 is the fourth embodiment of the invention structural representation.
Fig. 8 is the linkage gear schematic diagram.
Fig. 9 is the fifth embodiment of the invention structural representation.
Figure 10 is the sixth embodiment of the invention structural representation.
Figure 11 is the seventh embodiment of the invention structural representation.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described.
First embodiment
Referring to Fig. 1, a kind of composite excitation magnetic energy generating device based on the Halbach array, mainly form by rotor (3), Halbach array magnet ring (1), rocking handle iron core (4) and excitation winding (2), it is characterized in that: be provided with the Halbach array magnet ring of four pairs of utmost point permanent magnet distribution forms being made up of radial permanent magnet body and tangential and oblique permanent magnet around the rotor, the S utmost point of magnet ring and the N utmost point are alternately; 4 excitation winding that are located on the rocking handle iron core be evenly distributed in rotor around, wherein, have two windings unshakable in one's determination to be set at the S utmost point and arrange to axle, two windings unshakable in one's determination are set at the N utmost point and arrange to axle in addition; Winding unshakable in one's determination is relative with epitrochanterian magnet ring and establish and be evenly distributed around axle.Magnet ring have 4 S extremely outwards, 4 N extremely outwards and 4 S extremely inwardly, 4 N are extremely inside.Fig. 2 represents the magnetic line of force direction of each magnet in the magnet ring.
Second embodiment
Referring to Fig. 3 and Fig. 4, magnet ring is made up of 24 blocks of camber line shape magnet, and wherein the magnet of arranged radially has 8, and the magnet of arranged askew has 16.This magnet ring also is a kind of 4 pairs of utmost point magnet rings, the S utmost point of magnet ring and the N utmost point alternately, magnet ring have 4 S extremely outwards, 4 N extremely outwards and 4 S extremely inwardly, 4 N are extremely inside.Fig. 4 represents the magnetic line of force direction of each magnet in the magnet ring.All the other do not state partly first embodiment together, no longer repeat.
The 3rd embodiment
Referring to Fig. 5 and Fig. 6, a kind of composite excitation magnetic energy generating device based on polygon Halbach array, rotor (3), Halbach array polygon magnet ring (1.1), rocking handle iron core (4) and excitation winding (2) are formed.Magnet ring is a kind of polygon magnet ring, is made up of 24 blocks of linear magnet.All the other do not state partly first embodiment together, no longer repeat.
The 4th embodiment
Referring to Fig. 7, a kind of gear coordinated type mainly is made up of Halbach array magnet ring (1), excitation winding (2), rotor (3), rocking handle iron core (4), rocking bar (5), linkage gear (6), power shaft (7), output shaft (8), idler gear (9), intermediate gear shaft (10), bearing (11), terminal box (30) and frame (12) based on the composite excitation magnetic energy generating device of Halbach array.Be provided with the Halbach array magnet ring of four pairs of utmost point permanent magnet distribution forms being made up of radial permanent magnet body and tangential and oblique permanent magnet around the rotor, the S utmost point of magnet ring and the N utmost point are alternately; The rocking handle iron core is provided with excitation winding, 4 windings unshakable in one's determination be evenly distributed in rotor around, the S utmost point and the N utmost point of winding unshakable in one's determination are set to axle alternately; Winding unshakable in one's determination is relative with epitrochanterian magnet ring and establish and be evenly distributed around axle.Power shaft is fixedlyed connected with rotor.Rocking handle is located on the rocking bar, respectively is provided with a linkage gear on 4 rocking bars, and adjacent linkage gear is meshing with each other.Idler gear is made up of two-stage size gear pair, and first order gear wheel is located on the rocking bar in 4 rocking bars, and first order pinion is coaxial with second level gear wheel, and second level pinion is located to export and fails.Rocking bar, power shaft, gear shaft and output shaft are positioned frame by bearing.The swaying direction of adjacent rocking handle is opposite, utilizes linkage gear that the power concentration of 4 rocking handle swings is exported in same axle.Utilize idler gear that the angle of swing is amplified back output.Fig. 8 is 4 linkage gears, the intermeshing schematic diagram of adjacent linkage gear.All the other do not state partly first embodiment together, no longer repeat.
The 5th embodiment
Referring to Fig. 9, a kind of composite excitation magnetic energy generating device based on the Halbach array of two-part multiple spot output mainly is made up of Halbach array magnet ring (1), excitation winding (2), rotor (3), rocking handle iron core (4), rocking bar (5), power shaft (7), output shaft (8), frame (12), terminal box (30) and bearing (11).Rotor is provided with two sections magnet rings.Winding unshakable in one's determination has two sections, and every section has 4.Output shaft has 4, is located at 4 rocking bars respectively.All the other do not state partly first embodiment together, no longer repeat.
The 6th embodiment
Referring to Figure 10, the magnetic force machine based on the composite excitation magnetic energy generating device of Halbach array of a kind of gear coordinated type fluid transmission mainly comprises Halbach array magnet ring (1), excitation winding (2), rotor (3), rocking handle iron core (4), rocking bar (5), linkage gear (6), power shaft (7), output shaft (8), idler gear (9), intermediate gear shaft (10), bearing (11), frame (12), motor (13), storage battery (14), rack-and-pinion piston type swing cylinder pressure (15), fluid motor (16), terminal box (30).The two ends of swing cylinder pressure are provided with triple valve (17), it is a kind of rack-and-pinion piston type swing cylinder pressure that the power conversion of a mechanical reciprocally swinging can be become fluid direct current shuttling movement power, the triple valve outlet is connected with the inlet of fluid motor by pipeline (18), and triple valve inlet is connected with the outlet of fluid motor by pipeline (18.1).Original power is imported the composite excitation magnetic energy generating device by the motor that has storage battery from power shaft, during rotor rotation, winding unshakable in one's determination and epitrochanterian magnet ring alternately produce suction and repulsion, rocking handle is produced the angular motion power of reciprocally swinging, convert the power of fluid direct current shuttling movement to by linkage gear, idler gear and swing cylinder pressure, and drive the power of fluid motor to terminal output mechanical rotation movement.The part energy of machine output is converted into power delivery and returns storage battery or directly flow to motor, to keep the continuous running of machine.All the other do not state partly the 4th embodiment together, no longer repeat.
The 7th embodiment
Referring to Figure 11, a kind of gear coordinated type ratchet mechanism Halbach array magnetic force machine mainly comprises Halbach array magnet ring (1), excitation winding (2), rotor (3), rocking handle iron core (4), rocking bar (5), linkage gear (6), power shaft (7), output shaft (8), idler gear (9), intermediate gear shaft (10), bearing (11), terminal box (30), frame (12), starter (19), detent mechanism (20), ratchet (21), freewheel clutch and link gear.Link gear mainly is made up of intermediate propeller shaft (24), output shaft gear (22), intermediate propeller shaft gear (23), driving-belt (26), intermediate propeller shaft driving pulley (25) and power shaft driven pulley (27).Intermediate propeller shaft gear and output shaft gear engagement; Be provided with a driving-belt between intermediate propeller shaft driving pulley and the power shaft driven pulley, driving-belt regulating wheel tensioning.Starter gear (28) and input shaft gear (29) engagement.Original power is imported magnetic energy generating device by starter from power shaft, during rotor rotation, winding unshakable in one's determination and epitrochanterian magnet ring alternately produce suction and repulsion, rocking handle is produced the angular motion power of reciprocally swinging, the power conversion of rocking handle reciprocally swinging is become the power of mechanical rotation movement by linkage gear, idler gear, ratchet mechanism and freewheel clutch, on the one hand to terminal output services power, on the other hand, by link gear the conveying of part power is fed back into axle and rotor, to keep the continuous running of machine.All the other do not state partly the 4th embodiment together, no longer repeat.
Claims (12)
1. composite excitation magnetic energy generating device based on the Halbach array, mainly form by rotor (3), Halbach array magnet ring (1), rocking handle iron core (4) and excitation winding (2), it is characterized in that: be provided with the Ha1bach array magnet ring of the four pairs of utmost points being made up of radial permanent magnet body and tangential and/or oblique permanent magnet or the four pairs permanent magnet distribution form more than extremely around the rotor, the S magnetic pole of magnet ring and N magnetic pole are alternately; Be located at more than 4 or 4 excitation winding on the rocking handle iron core be symmetrically or evenly distributed in rotor around, the quantity of winding unshakable in one's determination is 2 common multiple, wherein, have a half-core winding to be set at the S utmost point and arrange to axle, other has the winding unshakable in one's determination of half to be set at the N utmost point to arrange to axle; Winding unshakable in one's determination is relative with epitrochanterian magnet ring and establish and around axial symmetry or be evenly distributed.
2. according to the described a kind of composite excitation magnetic energy generating device of claim 1, it is characterized in that Halbach array magnet ring is circular permanent magnet magnet ring or polygon permanent magnet magnetic ring (1.1) based on the Halbach array.
3. according to claim 1 and 2 described a kind of composite excitation magnetic energy generating devices, it is characterized in that the power of the mechanical reciprocally swinging that magnetic energy generating device produces converts mechanical rotation movement or mechanical reciprocating power output to by transmission fluid or ratchet mechanism based on the Halbach array.
4. according to the described transmission fluid of claim 3, it is characterized in that transmission fluid mainly by pipeline (18,18.1), the reciprocating power conversion of machinery can be become the buffer-type swing cylinder pressure of fluid direct current shuttling movement or fluid reciprocating motion power and can become the fluid motor of mechanical rotation movement or mechanical reciprocating motion power or piston cylinder pressure to form fluid direct current shuttling movement or fluid reciprocating motion power conversion.
5. according to the described transmission fluid of claim 4, it is characterized in that swinging vane type or rack-and-pinion piston type or bidentate wheel double rack piston type or plunger type or the double-screw type swing cylinder pressure and the vane type that 4 or 4 or more mechanical reciprocating power conversion can be become fluid direct current shuttling movement or fluid reciprocating motion power or rack-and-pinion piston type or bidentate wheel double rack piston type or plunger type or double-screw type swing cylinder pressure of cylinder pressure for a reciprocating power conversion of machinery being become fluid direct current shuttling movement or fluid reciprocating motion power.
6. according to claim 3,4 and 5 described transmission fluids, it is characterized in that described fluid is liquid or gas, described swing cylinder pressure is hydraulic cylinder or pneumatic cylinder, and described fluid motor is hydraulic motor or air pressure motor.
7. according to the described ratchet mechanism of claim 3, it is characterized in that ratchet mechanism is the engagement type ratchet mechanism or the friction-type ratchet mechanism that the reciprocating power conversion of one or more machineries can be become mechanical rotation movement power; Engagement type ratchet mechanism is outer ratchet or interior ratchet ratchet mechanism, and profile of tooth is lance tooth or rectangular teeth; Engagement type ratchet mechanism is single-lift or the double-acting ratchet mechanism; The friction-type ratchet mechanism is eccentric Wedge-type ratchet mechanism or roller wedging type ratchet mechanism.
8. according to claim 1 and 2 described a kind of composite excitation magnetic energy generating devices, it is characterized in that utilizing linkage gear (6) and/or ellipse the wheel, the swing power concentration of a plurality of rocking handle iron cores is exported in same axle based on the Halbach array.
9. according to claim 1,3 and 8 described a kind of composite excitation magnetic energy generating devices based on the Halbach array, it is characterized in that between linkage gear and transmission fluid or the ratchet mechanism by one or more idler gear (9) transferring power, to amplify the pendulum angle of swing component.
10. according to claim 1,2 and 3 described a kind of composite excitation magnetic energy generating devices, it is characterized in that utilizing the hunting range of buffer unit or stop limits rocking handle magnet based on the Halbach array.
11., it is characterized in that magnet ring is engaged with tangential and/or oblique permanent magnet by the radial permanent magnet body more than 16 or 16 to form according to claim 1 and 2 described a kind of composite excitation magnetic energy generating devices based on the Halbach array; Perhaps, magnet ring manufactures a complete magnet with the method for mold filling or pressing mold, magnetizes in special anchor clamps, processes the Halbach array structure.
12. according to claim 1 and 2 described a kind of composite excitation magnetic energy generating devices based on the Halbach array, it is characterized in that epitrochanterian magnet ring has more than one section or one section, rocking handle iron core and excitation winding have more than one section or one section; Butt joint of multisection type magnet ring homopolarity or heteropole butt joint.
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| CN113422450A (en) * | 2021-06-28 | 2021-09-21 | 北京理工大学 | Electromagnetic energy conversion device |
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| CN113422450A (en) * | 2021-06-28 | 2021-09-21 | 北京理工大学 | Electromagnetic energy conversion device |
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Application publication date: 20111228 |