CN106992649A - Become magnetic flow permanent magnet energy conversion - Google Patents

Become magnetic flow permanent magnet energy conversion Download PDF

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Publication number
CN106992649A
CN106992649A CN201710392333.7A CN201710392333A CN106992649A CN 106992649 A CN106992649 A CN 106992649A CN 201710392333 A CN201710392333 A CN 201710392333A CN 106992649 A CN106992649 A CN 106992649A
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CN
China
Prior art keywords
permanent magnet
energy conversion
magnetic flow
cylinder
gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710392333.7A
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Chinese (zh)
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CN106992649B (en
Inventor
刘细平
刘章麒
张志轩
梁建伟
汪涛
黄跃飞
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Jiangxi University of Science and Technology
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Jiangxi University of Science and Technology
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Priority to CN201710392333.7A priority Critical patent/CN106992649B/en
Publication of CN106992649A publication Critical patent/CN106992649A/en
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Publication of CN106992649B publication Critical patent/CN106992649B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2706Inner rotors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/02Details
    • H02K21/021Means for mechanical adjustment of the excitation flux
    • H02K21/022Means for mechanical adjustment of the excitation flux by modifying the relative position between field and armature, e.g. between rotor and stator

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

The working mechanism of the change magnetic flow permanent magnet energy conversion of the application is the direction of magnetization for adjusting cylinder permanent magnet, changes the synthesis magnetomotive size of permanent magnetism, reaches the purpose of regulation air-gap field distribution.Pass through the effect of mechanical magnetic regulating device, it is same extremely under left side cylinder permanent magnet counterclockwise spin turn, right side cylinder permanent magnet clockwise spin turns, the cylinder permanent magnet spin gyration of the left and right sides is identical, then same extremely lower synthesis permanent magnetism magnetomotive force direction is constant, but its magnetomotive force amplitude reduces, and has reached d-axis degaussing effect.The application blends machine driving theory with built-in type permanent-magnet energy conversion, in the case where ensureing that energy conversion power density is certain, the power of operating fields in energy conversion can effectively be changed using mechanically operated mode, the difficult defect of built-in type permanent-magnet energy conversion air-gap field regulation is effectively solved, is that a class can be applied to generating voltage-stabilized electricity by use and the change magnetic flow permanent magnet energy conversion in variable speed drives field.

Description

Become magnetic flow permanent magnet energy conversion
Technical field
The application is related to energy conversion field, in particular to change magnetic flow permanent magnet energy conversion.
Background technology
With new energy and renewable energy comprehensive utilize and Exploitation degree continuous improvement, electric energy stably can be provided The electric machine speed regulation scope of quality or wider is increasingly becoming a key factor for determining energy conversion efficiency, and the electricity of flexible modulation Machine magnetic field is to ensure one of important technical of energy efficient conversion.
Because the rectangular axis magnetic structure in internal permanent magnet synchronous motor is asymmetric, the d-axis and q-axis inductance of motor difference compared with Greatly, certain reluctance torque can be produced, and reluctance torque makes motor possess higher output torque with being superimposed for permanent-magnet torque.Cause This, such motor has the advantages that small volume, lightweight, reliable operation, convenient cooling, high power density and greater efficiency, It can be widely used in the fields such as electric automobile, wind-power electricity generation, elevator driving and Aero-Space.However, the inside of such motor Magnetic field substantially constant, in high speed operation of motor, it is difficult to carry out weak magnetic control to magnetic field, constrains it and further develops.
Mechanical adjustable magnetic motor is the class novel permanent-magnet motor for realizing motor-field flexible modulation, it is characterized in that utilizing machinery The regular motion of drive disk assembly, it is strong and weak with regulation motor magnetic field, change around induced electromotive force size is combined into, so as to realize Mechanical, electrical, magnetic three coupling novel magnetic field regulative mode.In recent years, being continually striving to by domestic and international experts and scholars, carries in succession The mechanical adjustable magnetic permagnetic synchronous motor of the various topological structures such as air gap adjustment type, rotor adjustment type, centrifugal, magnetic-leakage type is gone out. Result of study shows that existing mechanical adjustable magnetic permagnetic synchronous motor majority has cylinder permanent magnet consumption greatly, and rotor core is utilized Rate is low and the shortcomings of big mechanical magnetic regulating device control difficulty.
Apply for content
In view of this, the purpose of the application is to overcome deficiency of the prior art to utilize machine driving there is provided one kind The tangential force that the centrifugal force of radial direction is converted into rotating gear by principle, and force cylindrical cylinder built-in in rotor forever Magnet centered on itself to rotate, and after cylinder permanent magnet spinning, magnetizing direction changes, and permanent magnetic circuit accordingly becomes Change, reach the change magnetic flow permanent magnet energy conversion of the purpose in regulation motor magnetic field.
To solve the above problems, the solution that the application is provided is as follows:
Become magnetic flow permanent magnet energy conversion, including the external stator and internal rotor being coaxially disposed, the internal rotor includes turning Sub- iron core and cylinder permanent magnet;
The cylinder permanent magnet of even-even is rotationally built in the rotor core, and the cylinder permanent magnet is described Paired circumference uniform distribution in rotor core, the direction of magnetization of the adjacent cylinder permanent magnet of each pair is opposite;
Also include mechanical magnetic regulating device, the mechanical magnetic regulating device includes rotating disk, gear, rack and elastic component, described turn Disk be coaxially fixedly arranged on the end of the rotor core, the rotating disk be rotatably provided with it is identical with the cylinder permanent magnet quantity And the gear that position matches, it is permanently connected between the cylinder permanent magnet and the gear;
The rotating disk, which is provided between gear described in the chute and each pair of the logarithm equal amount of the gear, is provided with one Chute described in bar, each chute is provided with a rack, and the bilateral of the rack is with the teeth with teeth and with both sides Wheel engagement;
The end of each rack is connected by the elastic component with the rotating disk, the flexible side of each elastic component To the chute parallel to bar shaped;
The part of the mechanical magnetic regulating device is made by NULL.
In the exemplary embodiment, coaxially through pin riveting between the gear and the cylinder permanent magnet, The pin is made up of NULL.
In the exemplary embodiment, the rotor core is provided with mounting groove, and the mounting groove is used to install the cylinder forever It is provided between magnet, the adjacent mounting groove every magnetic bridge.
In the exemplary embodiment, the mounting groove of cylinder permanent magnet described in each pair with mounting groove phase described in another pair Adjacent side is provided with described every magnetic bridge provided with described between magnetic bridge, the mounting groove of cylinder permanent magnet described in each pair.
In the exemplary embodiment, the rotating disk includes hollow axle journal, and one end of the elastic component connects with the axle journal Connect.
In the exemplary embodiment, the elastic component is spring.
In the exemplary embodiment, when the spring is in natural mode, the rack is separated with the gear.
In the exemplary embodiment, when the rack is separated with the gear, the magnetic pole side of cylinder permanent magnet described in each pair To it is parallel and in the rotor core radially.
In the exemplary embodiment, the external stator includes circumference on stator core and armature winding, the stator core Even number stator slot is evenly equipped with, the armature winding is wound on the stator slot using distributed short distance winding configuration.
In the exemplary embodiment, the change magnetic flow permanent magnet energy conversion includes becoming magnetic flow permanent magnet motor and becomes magnetic Logical magneto.
The change magnetic flow permanent magnet energy conversion of the application compared with prior art, has the following advantages that:
The working mechanism of the change magnetic flow permanent magnet energy conversion of the application is the direction of magnetization for adjusting cylinder permanent magnet, is changed Become the synthesis magnetomotive size of permanent magnetism, reach the purpose of regulation air-gap field distribution.Motor when base speed is following, centrifugal force compared with Small, magnetomotive force that cylinder permanent magnet magnetizes is maximum, and by the effect of mechanical magnetic regulating device, it is same extremely under left side cylinder permanent magnetism Body counterclockwise spin turns, and right side cylinder permanent magnet clockwise spin turns, and the cylinder permanent magnet spin gyration of the left and right sides is identical, Then same extremely lower synthesis permanent magnetism magnetomotive force direction is constant, but its magnetomotive force amplitude reduces, it is known that centrifugal force is relevant with rotating speed, rotating speed Bigger, centrifugal force is bigger, and the magnetic pole rotational angle of cylinder permanent magnet is bigger, and the reduction of magnetomotive force amplitude is bigger, but cylinder permanent magnetism The magnetizing direction of the synthesis of body is constant, has reached d-axis degaussing effect.
Magnetic flux can be conveniently adjusted by mechanical speed-control device by becoming magnetic flow permanent magnet energy conversion, broken and encouraged using electricity Magnetic carries out the thoughtcast of adjustable magnetic, overcomes that mixed excitation electric machine is complicated, additional air gap is more, excitation loss is larger and work( The shortcomings of rate density is relatively low.Without adjustable magnetic winding, relative complex excitation con-trol algorithm is eliminated, the reality of control system is reduced Existing difficulty, realizes motor high efficiency and high power density on the basis of being lost entirely without exciting power.Pacify on the outside of internal rotor Installation tool adjustable magnetic part, carries out automatic synchronization regulation, with good according to the change of motor speed to magnetic field intensity in motor Adjustable magnetic effect, and the bidirectional modulation in magnetic field can be realized.Mechanical magnetic regulating device is not required to extra power and driven, no added losses, not shadow Ring the energy conversion efficiency of motor.
The mechanical isolation of mechanical magnetic regulating device and rotor, can reduce mutual between motor movement part to a certain extent Influence, can effectively ensure the utilization rate of rotor core.
In summary, the application blends machine driving theory with built-in type permanent-magnet energy conversion, is guaranteeing In the case that amount conversion equipment power density is certain, effectively it can be changed using mechanically operated mode in energy conversion The power of operating fields, effectively solves the difficult defect of built-in type permanent-magnet energy conversion air-gap field regulation, is that a class can Applied to generating voltage-stabilized electricity by use and the change magnetic flow permanent magnet energy conversion in variable speed drives field.
For enable the above-mentioned purpose of the application, feature and advantage become apparent from understandable, preferred embodiment cited below particularly, and match somebody with somebody Appended accompanying drawing is closed, is described below in detail.
Brief description of the drawings
, below will be attached to what is used required in embodiment in order to illustrate more clearly of the technical scheme of the embodiment of the present application Figure is briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the application, therefore is not construed as pair The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows the overall structure front view for the change magnetic flow permanent magnet energy conversion that the embodiment of the present application is provided;
Fig. 2 shows the decomposition texture axonometric drawing for the change magnetic flow permanent magnet energy conversion that the embodiment of the present application is provided;
Fig. 3 shows the external stator and internal rotor of change magnetic flow permanent magnet energy conversion that the embodiment of the present application provided Main structure diagram;
Fig. 4 shows the master of the mechanical magnetic regulating device for the change magnetic flow permanent magnet energy conversion that the embodiment of the present application is provided Depending on first structure schematic diagram;
Fig. 5 shows the master of the mechanical magnetic regulating device for the change magnetic flow permanent magnet energy conversion that the embodiment of the present application is provided Depending on the second structural representation;
Fig. 6 shows the master of the mechanical magnetic regulating device for the change magnetic flow permanent magnet energy conversion that the embodiment of the present application is provided Depending on the 3rd structural representation;
Fig. 7 is shown in interior turn of the rated speed time-varying magnetic flow permanent magnet energy conversion that the embodiment of the present application is provided The direction of magnetization schematic diagram of cylinder permanent magnet;
Fig. 8 shows interior turn of the super rated speed time-varying magnetic flow permanent magnet energy conversion that the embodiment of the present application is provided The direction of magnetization schematic diagram of middle cylinder permanent magnet.
Icon:1- becomes magnetic flow permanent magnet energy conversion;10- external stators;101- stator cores;1011- stator slots;20- Internal rotor;201- rotor cores;2011- is every magnetic bridge;202- cylinder permanent magnets;30- machinery magnetic regulating devices;301- rotating disks;3011- Chute;3012- axle journals;302- gears;303- racks;304- elastic components;305- pins.
Embodiment
Hereinafter, the various embodiments of the application will be described more fully with reference to accompanying drawing.The application can have various realities Example is applied, and can adjust and change wherein.Therefore, will in more detail it be retouched with reference to the specific embodiment being shown in the drawings State the application.It should be understood, however, that:In the absence of the meaning that the various embodiments of the application are limited to the specific embodiment applied herein Figure, but the application should be interpreted as covering all adjustment in the spirit and scope for the various embodiments for falling into the application, etc. Jljl and/or alternative.Description taken together with the accompanying drawings, the same element of same reference numerals.
Hereinafter, the term " comprising " that can be used in the various embodiments of the application or " may include " indicate to be applied Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as existing Used in the various embodiments of the application, term " comprising ", " having " and its cognate are meant only to represent special characteristic, number Word, step, operation, element, the combination of component or foregoing item, and be understood not to exclude first one or more other Feature, numeral, step, operation, element, the presence of the combination of component or foregoing item or increase one or more features, numeral, Step, operation, element, the possibility of the combination of component or foregoing item.
In the various embodiments of the application, statement "or" or " in A or/and B at least one " include what is listed file names with Any combinations of word or all combinations." A or B " or " in A or/and B at least one " may include A, may include for example, statement B may include A and B both.
The statement (" first ", " second " etc.) used in the various embodiments of the application can be modified to be implemented various Various element in example, but corresponding element can not be limited.For example, presented above be not intended to limit the suitable of the element Sequence and/or importance.The purpose presented above for being only used for differentiating an element and other elements.For example, the first user fills Put and indicate different user device with second user device, although the two is all user's set.For example, not departing from each of the application In the case of the scope for planting embodiment, the first element is referred to alternatively as the second element, similarly, and the second element is also referred to as first Element.
It should be noted that:, can be by the first composition member if an element ' attach ' to another element by description Part is directly connected to the second element, and " connection " the 3rd can be constituted between the first element and the second element Element.On the contrary, when an element " being directly connected to " is arrived into another element, it will be appreciated that be in the first element And second the 3rd element is not present between element.
The term used in the various embodiments of the application is only used for describing the purpose of specific embodiment and not anticipated In the various embodiments of limitation the application.As used herein, singulative is intended to also include plural form, unless context is clear Chu it is indicated otherwise.Unless otherwise defined, all terms (including the technical term and scientific terminology) tool being otherwise used herein There is the implication identical implication that the various embodiment one skilled in the art with the application are generally understood that.The term (term such as limited in the dictionary typically used) is to be interpreted as having and the situational meaning in correlative technology field Identical implication and it will be not construed as with Utopian implication or excessively formal implication, unless in the various of the application It is clearly defined in embodiment.
Also referring to Fig. 1 to Fig. 4, the change magnetic flow permanent magnet energy conversion 1 of the application, including be coaxially disposed it is outer fixed Son 10 and internal rotor 20, the internal rotor 20 include rotor core 201 and cylinder permanent magnet 202.The cylinder of even-even is forever What magnet 202 was rotated is built in the rotor core 201, and the cylinder permanent magnet 202 is paired in the rotor core 201 Circumference uniform distribution, the pole orientation of the adjacent cylinder permanent magnet 202 of each pair is opposite.
Becoming magnetic flow permanent magnet energy conversion 1 also includes mechanical magnetic regulating device 30, and the mechanical magnetic regulating device 30 includes turning Disk 301, gear 302, rack 303 and elastic component 304.The rotating disk 301 is coaxially fixedly arranged on the end of the rotor core 201 The gear 302 that and position identical with the quantity of cylinder permanent magnet 202 matches is rotatably provided with portion, the rotating disk 301, It is permanently connected between the cylinder permanent magnet 202 and the gear 302.The rotating disk 301 is provided with and the gear 302 Slidably provided with a rack 303 on the chute 3011 of logarithm equal amount, each chute 3011, gear described in each pair A rack 303 is inserted between 302, the bilateral of the rack 303 is nibbled with teeth and with both sides the gears 302 Close.The end of each rack 303 is connected by the elastic component 304 with the rotating disk 301, each elastic component 304 Telescopic direction parallel to bar shaped the chute 3011.The part of the mechanical magnetic regulating device 30 is made by NULL.
Above-mentioned, becoming magnetic flow permanent magnet energy conversion 1 includes common built-in type permanent-magnet energy conversion and machinery tune Magnetic device 30, built in cylinder permanent magnet 202 and in internal rotor 20, alternate radial magnetizing.It is connected on the end face of internal rotor 20 Mechanical magnetic regulating device 30, when internal rotor 20 has different rotating speeds, with different centrifugal force, F=mv2/r.Centrifugal force When of different sizes, the collapsing length of the elastic component 304 of mechanical magnetic regulating device 30 is different, x=F/k, x=mv2/ kr, it can be deduced that The collapsing length of elastic component 304 and the velocity correlation of internal rotor 20, the speed of internal rotor 20 are bigger, and the stretching of elastic component 304 is long Degree is longer.Rack 303 pulls elastic component 304, while diametrically sliding in and out, when speed reaches due to the effect of centrifugal force A certain size when, rack 303 is engaged with gear 302, with movement of the rack 303 on chute 3011, the drive gear of rack 303 302 tooth matching angles constantly increase.Gear 302 is that fixing coaxial is connected with cylinder permanent magnet 202, and gear 302 drives when rotating Cylinder permanent magnet 202 is together rotated, and the pole orientation of cylinder permanent magnet 202 changes, and turn of two cylinder permanent magnets 202 Dynamic in opposite direction, rotational angle is identical, and the magnetomotive force compound direction of cylinder permanent magnet 202 is constant, but magnetomotive amplitude reduces .
A pair of cylinder permanent magnets 202 form a magnetic pole, and the cylinder permanent magnet 202 of even-even is even number of poles, Such as 2,4,6,8.With two cylinder permanent magnets 202 for one group, even circumferential is distributed on rotor core 201, and adjacent pole Magnetizing direction on the contrary, so as to carrying out alternate radial magnetizing.
One group two-by-two of gear 302 in mechanical magnetic regulating device 30, matches with the quantity of cylinder permanent magnet 202 and distribution, Rack 303 on rotating disk 301 is due to the slip on chute 3011 that acts on of centrifugal force, and rack 303 is the two-sided rack 303, simultaneously Engaged with two gears 302, the synchronous axial system for driving two gears 302 reverse.The telescopic direction of each elastic component 304 is put down Row is in the chute 3011 of bar shaped.So that movement of the elastic component 304 to the active force of rack 303 all the time with rack 303 Direction is on same straight line so that the movement of rack 303 is more smooth and smooth, prevents rack 303 from blocking on chute 3011 Adverse conditions of waiting indefinitely occurs.
The part of mechanical magnetic regulating device 30 is made to avoid leakage field, such as aluminium alloy, stainless steel by NULL, becomes magnetic Logical permanent magnetism energy conversion 1 can realize energy conversion without Exciting Windings for Transverse Differential Protection on the basis of being lost entirely without exciting power High efficiency and high power density.
The change magnetic flow permanent magnet energy conversion 1 includes becoming magnetic flow permanent magnet motor and becomes magnetic flux permanent magnet generator.Make For change magnetic flux permanent magnet generator in use, no matter how rotating speed changes, it can realize that constant pressure generates electricity.As becoming, magnetic flow permanent magnet is electronic Machine is in use, be that one kind can carry out the motor of variable speed drives under high efficiency, firm power.
Below in conjunction with the accompanying drawings, the embodiment to the application elaborates.
Embodiment
The external stator 10 includes circle on stator core 101 and armature winding (not shown), the stator core 101 It is evenly equipped with even number stator slot 1011 week, the armature winding is wound in the stator slot using distributed short distance winding configuration On 1011.
In the present embodiment, become magnetic flow permanent magnet energy conversion 1, using the radial structure of single stator/single rotor, stator slot 1011 quantity is 48, and stator poles are 8.The logarithm of cylinder permanent magnet 202 on internal rotor 20 is 8 pairs 4 groups, and each pair includes 2 Individual, every group includes 2 pairs 4.The material of cylinder permanent magnet 202 uses the cylinder permanent magnet N36Z_20 of high intensity, and its magnetic induction is rectified Stupid power is -920000A/m, and the intensity of magnetization is 1.03A/m.Rotor core 201 and stator core 101 are 0.5 millimeter using thickness M19_29G silicon steel sheets, stacking factor is 0.94, wherein there is 6% silicon steel sheet insulation between plates, the magnetization side of relative permeability To for along silicon steel plate stacking direction.
To enable cylinder permanent magnet 202 to be rotated coaxially with gear 302, the gear 302 and the cylinder permanent magnet 202 Between be made up coaxially through the riveting of pin 305, the pin 305 of NULL.
Circular hole is provided with the end face center of cylinder permanent magnet 202, the center of gear 302 is provided with circular hole, so as to pass through pin 305 are inserted into two circular holes, and interference is formed between circular hole and is connected, so that between cylinder permanent magnet 202 and gear 302 Form a fixed connection.Connecting rod has the NULLs such as aluminium alloy, stainless steel to be made.
Rotating disk 301 is connected by screw on the end face of rotor core 201, so as to be fixed with rotor core 201.Gear 302 and cylinder permanent magnet 202 there is the free degree along its axial rotation.
The rotor core 201 is provided with mounting groove, and the mounting groove is used to install the cylinder permanent magnet 202, adjacent It is provided between the mounting groove every magnetic bridge 2011.The mounting groove of cylinder permanent magnet 202 described in each pair with described in another pair The adjacent side of mounting groove is provided with provided with described between magnetic bridge 2011, the mounting groove of cylinder permanent magnet 202 described in each pair It is described every magnetic bridge 2011.
The rotating disk 301 includes hollow axle journal 3012, and one end of the elastic component 304 is connected with the axle journal 3012, So that the telescopic direction of elastic component 304 is parallel with the plane of rotating disk 301, so that straight in same with the movement of rack 303 On line.
Specifically, the elastic component 304 is spring, elastic component 304 can also be other such as rubber in other embodiments Rubber band, elastic etc. have the elastic component 304 of axial shrinkage characteristic.When the spring is in natural mode, the rack 303 and institute Gear 302 is stated to separate.
When speed is relatively low, rack 303 is separated with gear 302, and magnetomotive size is constant, speed improve when, rack 303 with Gear 302 is engaged, and cylinder permanent magnet 202 is rotated, and the magnetomotive direction of synthesis is constant, and amplitude diminishes.Revolved in cylinder permanent magnet 202 During turning, because the direction of rotation of gear 302 of the left and right sides of rack 303 is all the time on the contrary, make internal rotor 20 per two circles under extremely The direction of rotation of post permanent magnet 202 is on the contrary, but the synthesis permanent magnetism magnetomotive force direction per pole cylinder permanent magnet 202 keeps constant, change magnetic The ac-dc axis magnetic circuit of logical permanent magnetism energy conversion 1 keeps constant, and it is simply straight that change magnetic flow permanent magnet energy conversion 1 is changed Magnetic flux size on quadrature axis magnetic circuit.
Becoming magnetic flow permanent magnet energy conversion 1 has three kinds of running statuses, i.e., below rated speed, rated speed and specified It is more than rotating speed.
In the present embodiment, when the rack 303 is separated with the gear 302, the magnetic pole of cylinder permanent magnet 202 described in each pair Direction is parallel and is directed to air gap.
(1) when below rated speed:When change magnetic flow permanent magnet energy conversion 1 is operated in below rated speed, machinery The position of the middle rack 303 of magnetic regulating device 30 is as shown in figure 4, the rack 303 in mechanical magnetic regulating device 30 is slided not in contact with gear 302 Block does not have tangential motive force to gear 302, the maximum air gap flux density of now motor acquisition, wherein cylinder permanent magnet 202 The direction of magnetization is as shown in Figure 7.
(2) during rated speed:When become magnetic flow permanent magnet energy conversion 1 start below rated speed accelerate, sliding block after It is continuous to move along a straight line, contacted just with gear 302 when reaching rated speed, as shown in Figure 5.
(3) when more than rated speed:When more than rated speed, rack 303 promotes gear 302 to rotate, positioned at rack 303 The cylinder permanent magnet 202 in left side is rotated in a counter-clockwise direction, and the cylinder permanent magnet 202 on the right side of rack 303 is then with side clockwise To rotation, but two cylinder permanent magnets 202 synthesis magnetomotive force direction keeps constant.When motor reduced speed now more than rated speed to When below rated speed, rack 303 is started back to move along a straight line by the pulling force of elastic component 304, the cylinder in the left side of rack 303 Permanent magnet 202 is to turn clockwise, the rotate counterclockwise of cylinder permanent magnet 202 on the right side of rack 303, when being decelerated to rated speed Rack 303 is not contacted with gear 302, and cylinder permanent magnet 202 is rotated to initial position, and synthesis permanent magnetism magnetomotive force returns to maximum, As shown in fig. 6, the direction of magnetization of wherein cylinder permanent magnet 202 is as shown in Figure 8.
It is appreciated that if the rated speed for becoming magnetic flow permanent magnet energy conversion 1 is certain, can according to elastic component 304 from During right state, rack 303 selects the elastic component 304 of different coefficient of elasticity to the distance of gear 302, according to the tooth pitch of rack 303 Size determines the degree of regulation of magnetic flux, it is known that, the tooth pitch of rack 303 is smaller, and rack 303 is when mobile, and gear 302 turns Dynamic angle change is more continuous, and magnetic flux change is more continuous.
In all examples being illustrated and described herein, any occurrence should be construed as merely exemplary, without It is that therefore, other examples of exemplary embodiment can have different values as limitation.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
Embodiment described above only expresses the several embodiments of the application, and it describes more specific and detailed, but simultaneously Therefore the limitation to the application scope can not be interpreted as.It should be pointed out that for the person of ordinary skill of the art, On the premise of the application design is not departed from, various modifications and improvements can be made, these belong to the protection model of the application Enclose.

Claims (10)

1. change magnetic flow permanent magnet energy conversion, including the external stator and internal rotor being coaxially disposed, the internal rotor include rotor Iron core and cylinder permanent magnet, it is characterised in that
The cylinder permanent magnet of even-even is rotationally built in the rotor core, and the cylinder permanent magnet is in the rotor Paired circumference uniform distribution in iron core, the direction of magnetization of the adjacent cylinder permanent magnet of each pair is opposite;
Also include mechanical magnetic regulating device, the mechanical magnetic regulating device includes rotating disk, gear, rack and elastic component, and the rotating disk is same It is fixedly arranged on the end of the rotor core, the rotating disk axle and is rotatably provided with and position identical with the cylinder permanent magnet quantity The gear of matching is put, is permanently connected between the cylinder permanent magnet and the gear;
The rotating disk is provided between gear described in the chute and each pair of the logarithm equal amount of the gear provided with an institute Chute is stated, each chute is nibbled provided with a rack, the bilateral of the rack with teeth and with both sides the gears Close;
The end of each rack is connected by the elastic component with the rotating disk, and the telescopic direction of each elastic component is put down Row is in the chute of bar shaped;
The part of the mechanical magnetic regulating device is made by NULL.
2. change magnetic flow permanent magnet energy conversion according to claim 1, it is characterised in that the gear and the cylinder Coaxially through pin riveting between permanent magnet, the pin is made up of NULL.
3. change magnetic flow permanent magnet energy conversion according to claim 1, it is characterised in that the rotor core is provided with peace Tankage, the mounting groove, which is used to install between the cylinder permanent magnet, the adjacent mounting groove, to be provided with every magnetic bridge.
4. change magnetic flow permanent magnet energy conversion according to claim 3, it is characterised in that cylinder permanent magnet described in each pair The mounting groove the side adjacent with mounting groove described in another pair provided with described every magnetic bridge, cylinder permanent magnet described in each pair Provided with described every magnetic bridge between the mounting groove.
5. change magnetic flow permanent magnet energy conversion according to claim 1, it is characterised in that the rotating disk includes hollow Axle journal, one end of the elastic component is connected with the axle journal.
6. change magnetic flow permanent magnet energy conversion according to claim 1, it is characterised in that the elastic component is spring.
7. change magnetic flow permanent magnet energy conversion according to claim 6, it is characterised in that the spring is in natural mode When, the rack is separated with the gear.
8. change magnetic flow permanent magnet energy conversion according to claim 7, it is characterised in that the rack and the gear During separation, the pole orientation of cylinder permanent magnet described in each pair is parallel and is directed to air gap.
9. the change magnetic flow permanent magnet energy conversion according to any one of claim 1-8, it is characterised in that described outer fixed Attached bag, which is included, is evenly distributed in even number stator slot on stator core and armature winding, the stator core, the armature winding is adopted It is wound in distributed short distance winding configuration on the stator slot.
10. the change magnetic flow permanent magnet energy conversion according to any one of claim 1-8, it is characterised in that the change Magnetic flow permanent magnet energy conversion includes becoming magnetic flow permanent magnet motor and becomes magnetic flux permanent magnet generator.
CN201710392333.7A 2017-05-27 2017-05-27 Become magnetic flow permanent magnet energy conversion Active CN106992649B (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107591983A (en) * 2017-09-18 2018-01-16 安徽沃弗电力科技有限公司 Novel permanent magnetic eddy speed regulating device
CN108134463A (en) * 2018-01-10 2018-06-08 郑州轻工业学院 One kind is from adjustable magnetic pressure-adjusting type magneto alternator rotor structure
CN109302033A (en) * 2018-10-22 2019-02-01 江西理工大学 Centrifugal change flux permanent magnet synchronous motor
WO2019089435A1 (en) * 2017-10-30 2019-05-09 Deak David Sr Magnetic momentum transfer generator
CN110473690A (en) * 2019-07-29 2019-11-19 珠海格力电器股份有限公司 Magnetic field generator and magnetic refrigerator
CN110752686A (en) * 2019-10-10 2020-02-04 珠海格力节能环保制冷技术研究中心有限公司 Rotor subassembly and have its motor
CN112072809A (en) * 2020-08-24 2020-12-11 清华大学 Permanent magnet rotating armature motor capable of adjusting magnetic field in mechanical mode
CN112366851A (en) * 2020-11-05 2021-02-12 嵊州市双港电器有限公司 Motor for range hood
CN113315274A (en) * 2021-06-15 2021-08-27 郑州大学 Direct insertion type slot conductor variable magnetic pole magnetic field modulation composite motor
CN117559689A (en) * 2024-01-12 2024-02-13 苏州英磁新能源科技有限公司 Built-in motor magnetic field adjusting system
USRE49840E1 (en) 2012-04-06 2024-02-13 Wepower Technologies Llc Electrical generator with rotational gaussian surface magnet and stationary coil
US11973391B2 (en) 2019-11-21 2024-04-30 Wepower Technologies Llc Tangentially actuated magnetic momentum transfer generator

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CN102055257A (en) * 2009-10-30 2011-05-11 路易斯·J·芬克尔 Electric motor and/or generator with mechanically tuneable permanent magnetic field
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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE49840E1 (en) 2012-04-06 2024-02-13 Wepower Technologies Llc Electrical generator with rotational gaussian surface magnet and stationary coil
CN107591983A (en) * 2017-09-18 2018-01-16 安徽沃弗电力科技有限公司 Novel permanent magnetic eddy speed regulating device
WO2019089435A1 (en) * 2017-10-30 2019-05-09 Deak David Sr Magnetic momentum transfer generator
US11251007B2 (en) 2017-10-30 2022-02-15 Wepower Technologies Llc Magnetic momentum transfer generator
US11915898B2 (en) 2017-10-30 2024-02-27 Wepower Technologies Llc Magnetic momentum transfer generator
CN108134463A (en) * 2018-01-10 2018-06-08 郑州轻工业学院 One kind is from adjustable magnetic pressure-adjusting type magneto alternator rotor structure
CN109302033A (en) * 2018-10-22 2019-02-01 江西理工大学 Centrifugal change flux permanent magnet synchronous motor
CN109302033B (en) * 2018-10-22 2019-12-24 江西理工大学 Centrifugal variable flux permanent magnet synchronous motor
CN110473690A (en) * 2019-07-29 2019-11-19 珠海格力电器股份有限公司 Magnetic field generator and magnetic refrigerator
CN110752686A (en) * 2019-10-10 2020-02-04 珠海格力节能环保制冷技术研究中心有限公司 Rotor subassembly and have its motor
US11973391B2 (en) 2019-11-21 2024-04-30 Wepower Technologies Llc Tangentially actuated magnetic momentum transfer generator
CN112072809A (en) * 2020-08-24 2020-12-11 清华大学 Permanent magnet rotating armature motor capable of adjusting magnetic field in mechanical mode
CN112366851A (en) * 2020-11-05 2021-02-12 嵊州市双港电器有限公司 Motor for range hood
CN113315274B (en) * 2021-06-15 2022-08-12 郑州大学 Direct insertion type slot conductor variable magnetic pole magnetic field modulation composite motor
CN113315274A (en) * 2021-06-15 2021-08-27 郑州大学 Direct insertion type slot conductor variable magnetic pole magnetic field modulation composite motor
CN117559689A (en) * 2024-01-12 2024-02-13 苏州英磁新能源科技有限公司 Built-in motor magnetic field adjusting system
CN117559689B (en) * 2024-01-12 2024-04-05 苏州英磁新能源科技有限公司 Built-in motor magnetic field adjusting system

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