CN109167500A - Generator assembly, generator, wind generating set and power generation method - Google Patents
Generator assembly, generator, wind generating set and power generation method Download PDFInfo
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- CN109167500A CN109167500A CN201811095392.9A CN201811095392A CN109167500A CN 109167500 A CN109167500 A CN 109167500A CN 201811095392 A CN201811095392 A CN 201811095392A CN 109167500 A CN109167500 A CN 109167500A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010248 power generation Methods 0.000 title abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 90
- 230000005611 electricity Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000000930 thermomechanical effect Effects 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2793—Rotors axially facing stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/04—Machines with one rotor and two stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/48—Generators with two or more outputs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a generator assembly, a generator, a wind generating set and a generating method, wherein the generator assembly comprises two groups of non-conjugated generating units; each group of power generation units comprises a rotor magnetic yoke unit and a stator winding unit, wherein the central axes of the rotor magnetic yoke unit and the stator winding unit are overlapped, the inner side face of the rotor magnetic yoke unit close to the central axis is provided with a magnet, the outer side face of the stator winding unit far away from the central axis is provided with a coil, and a preset gap is formed between the magnet and the coil and is arranged oppositely. The invention can reduce the probability of the failure shutdown of the generator winding and improve the fault-tolerant operation capability of the failure of the component.
Description
Technical field
The present invention relates to generation technology, especially a kind of generator assembly, generator, wind power generating set and power generation side
Method.
Background technique
The existing basic composed structure of outer-rotor type magneto alternator includes stator coil, stator core, rotor permanent magnet
Body, rotor rim unit, generator bearing etc., the axial section structure of one of outer rotor generator is as shown in Figure 1, main
Including rotor magnetic pole 1, stator coil 2, stator support 3, rotor fore-stock 4, stator core 5, generator amature connecting flange 6,
Generator bearing 7, bearing and rotor connection bolt 8, stator and bearing connecting flange 9, stator connecting flange 10, rotor fore-stock
11, rotor drive end bearing bracket 12 etc..Magneto alternator is one of direct wind-driven generator unit main component, and impeller passes through power generation
Machine rotor connecting flange 6 is connect with generator, and generator is connect by stator connecting flange 10 with cabin dead axle.When impeller is in wind
Under the action of when rotating, drive generator amature rotation, the rotor magnetic pole 1 above 2 cutting rotor of electricity generator stator coil generates
Magnetic field, generator produces electricl energy, then by cable and current transformer transmission and conversion, is delivered to power grid, realizes wind-driven generator
The generating function of group.
Core building block of the generator as set drive chain, Stability and dependability is most important, generator
Failure will directly affect the power generation performance and index of unit；Moreover, the manufacturing cost of generator itself is high, replacement generator is needed
Impeller is removed, repair and replacement cost is also higher；For marine unit, due to being restricted by objective environment factor,
In the case where set generator failure, tend not to replace in time, so that set generator can be only in disorderly closedown shape
State, to cause huge loss to user.
In electric generator structure shown in Fig. 1, magnet steel is mounted on rotor inner surface, and number of pole-pairs is generally at 40 pairs or more；It is fixed
2 general two sets of subcoil side by side, and is made of the winding of certain phase angle difference.It, will when partial failure occurs in generator magnet steel
Cause generator entirely ineffective.For single bearing generator, since bearing load is big, design requirement high condition shadow
It rings, there are higher failure risks in terms of service life and reliability index for bearing.Therefore in existing generator, the magnetic
Any one situation such as steel failure, stator coil failure, bearing failure, the permanent fault that all may cause generator unit are stopped
Machine, to cause huge loss.
Summary of the invention
The purpose of the present invention aims to solve at least one of above-mentioned technological deficiency, and especially solution generator is because of section components mistake
Imitate the problem of bring permanent fault is shut down.
The present invention proposes a kind of generator assembly, the generator unit not being conjugated including two groups；
Generator unit described in every group includes the rotor rim unit and stator winding unit of center overlapping of axles, the rotor magnetic
Yoke unit is provided with magnet on the medial surface close to the central axis, and the stator winding unit is in the separate central axis
It is provided with coil on lateral surface, forms prepsetting gap between the magnet and the coil, and positioned opposite to each other.
Further, it is provided on the stator winding unit of generator unit described in every group for exporting faradic outlet
It holds, the direction of routing for the cable drawn on each leading-out terminal is identical and parallel with the central axis.
Further, it is connected with rotor rim unit connector between the rotor rim unit of generator unit described in two groups,
Rotor rim unit supports frame is equipped between the rotor rim unit connector and the central axis.
Further, the rotor rim unit supports frame is the reticular structure of hollow out.
The present invention also proposes a kind of generator, including aforementioned described in any item generator assemblies.
Further, the generator further includes the bearing being placed on main shaft；The outer ring of the bearing or in inner ring one
It is fixed with the rotor rim unit on a, is fixed with the stator winding on the outer ring of the bearing or another in inner ring
Unit.
Further, the bearing includes the fore bearing for being placed on the front-end of spindle portion, and is placed in the middle part of the main shaft
Rear bearing；The outer ring of the fore bearing and rear bearing is fixed with the rotor rim unit, the fore bearing and rear bearing it is interior
Circle is fixed with the stator winding unit.
Further, the generator further includes two stator winding brackets；One stator winding unit) pass through one
A stator winding bracket is fixedly connected with the inner ring of the fore bearing, another described stator winding unit passes through another
The stator winding bracket is fixedly connected with the inner ring of the rear bearing.
Further, each rotor rim unit respectively includes at least two rotor rim unit subelements, each
The stator winding unit respectively includes at least two stator winding subelements, and each stator winding subelement respectively corresponds
One rotor rim unit subelement.
The present invention also proposes a kind of wind power generating set comprising aforementioned described in any item generators.
Further, the wind power generating set further includes for driving the impeller of the rotor rim unit rotational integrated
With the front support frame for being used to support the rotor rim unit；The outer ring side of the fore bearing passes through first flange and the leaf
Wheel is integrated and connected, and the other side is connect by second flange with the front support frame.
Further, the fore bearing is biserial pyramid type.
Further, a rotor rim unit connects by the way that the outer ring of the front support frame and the fore bearing is fixed
It connects.
Further, the wind power generating set further includes that cabin is integrated, and the cabin is integrated to pass through engine room foundation and institute
State the third flanged joint in rear-end of spindle portion.
The present invention also proposes a kind of electricity-generating method, and aforementioned described in any item generators is used to generate electricity.
Beneficial effects of the present invention are as follows:
1, generator assembly of the present invention has two groups of generator units not being conjugated, when wherein one group of generator unit failure,
Another group of generator unit is unaffected, can continue to generate induced current, to reduce generator assembly because generator unit fails
And the probability shut down, the fault-tolerant operation ability of the component failure of generator unit is improved, caused by thereby reducing because shutting down
The loss of generated energy；Moreover, two groups of generator units are mutually indepedent, maintenance and replacement are also more convenient.
2, the leading-out terminal of two groups of generator units in the present invention is respectively arranged on the stator winding unit, and draw
Cable can be conducive to below the inside direct puncture pylon of generator along the direction cabling of the central axis, can effectively shorten sense
Answer the transmission cable length of electric current；And also help optimization generator and the integrated internal space layout of cabin.
3, the present embodiment passes through the load of fore bearing and two groups of generator units of rear bearing shared, is conducive to disperse bearing
The proportion of load reduces bearing fatigue degree, improves the service life of bearing；It is set as moreover, will be close to the integrated bearing of impeller
Biserial pyramid type can bear axial load and radial load simultaneously.
4, the present invention is increased under same generated output by dual bearing structure and rotor rim unit supports frame
The inner space of generator, so that reach every group of generator unit can by way of increasing coil section area reduces line resistance
With the purpose for reducing stator winding copper loss；Moreover, can also increase the outer diameter of stator punching, to realize the purpose that preferably radiates, mention
High generator environmental suitability.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of existing outer rotor generator one embodiment；
Fig. 2 is the assembling schematic cross-sectional view of generator assembly one embodiment of the present invention；
Fig. 3 is the assembling of one embodiment that rotor rim unit connector of the present invention is connect with the rotor rim unit
Schematic cross-sectional view；
Fig. 4 is the attachment structure schematic diagram of wind power generating set one embodiment of the present invention.
Label declaration:
Rotor magnetic pole 1, stator coil 2, stator support 3, rotor fore-stock 4, stator core 5, generator amature connection method
Before orchid 6, generator bearing 7, bearing and rotor connection bolt 8, stator and bearing connecting flange 9, stator connecting flange 10, rotor
Bracket 11, rotor drive end bearing bracket 12；
Main shaft 110, fore bearing 120, rear bearing 130, rotor rim unit 210, front support frame 211, rotor rim unit
220, rear support frame 221, rear end cap 222, rotor rim unit connector 230, rotor rim unit supports frame 240, outer rotor
Axle sleeve 250, magnet 251, stator winding unit 310, stator winding bracket 311, leading-out terminal 31, stator winding unit 320, stator
Winding support 321, leading-out terminal 31, leading-out terminal 32, first flange 401, second flange 402, third flange 403, fixing bolt
404, generator 50, impeller integrated 501, cabin integrated 60, engine room foundation 61, adapter 71, converter system 72.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being arranged used in specification of the invention
Diction " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
When part is "connected" to another element, it can be directly connected to other elements, or there may also be intermediary elements.Here make
Wording "and/or" includes one or more associated wholes for listing item or any cell and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term), there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless idealization or meaning too formal otherwise will not be used by specific definitions as here
To explain.
Embodiment as shown in connection with fig. 2, the present invention propose a kind of generator assembly, the power generation list not being conjugated including two groups
Member；The rotor rim unit 210 and stator winding unit 310 that generator unit described in every group includes center overlapping of axles are (or including in
The rotor rim unit 220 and stator winding unit 320 that mandrel is overlapped), the rotor rim unit 210 and rotor rim unit
220 are provided with magnet, the stator winding unit 310 and stator winding unit 320 on the medial surface close to the central axis
Far from the central axis lateral surface on be provided with coil, the magnet and the coil in generator unit described in every group it
Between form prepsetting gap, and it is positioned opposite to each other, to generate induced current in relative rotational motion.
Described be not conjugated refers specifically to two generator units respectively independently, the rotor rim unit difference in each generator unit
Respective magnetic field is generated, and cuts the coil in corresponding stator winding unit when the magnetic field rotating, to generate sense respectively
Answer electric current.In the present embodiment, when external force makes rotor rim unit 210 and rotor rim unit 220 around the central axis rotation
When, rotor rim unit 210 forms the magnetic field of a rotation, the coil in the magnetic field intercepts stator winding unit 310 of the rotation,
Induced current all the way is generated to export；Rotor rim unit 220 forms the magnetic field of another rotation, and the magnetic field intercepts of the rotation are another
Coil in a stator winding unit 320 generates the output of another way induced current.By generator assembly packet in this present embodiment
Faradic generator unit can independently be generated by including at least two groups, therefore, when the rotor rim unit of wherein one group of generator unit loses
Effect or when stator winding element failure, will not influence the normal work of another group of generator unit, and entire generator assembly will be after
It is continuous to generate induced current, to reduce the probability that entire generator assembly is shut down by section components failure, improve power generation
Fault-tolerant operation ability of the thermomechanical components in different component failures, improves generator reliability；Further, also greatly
Generator is reduced because component failure causes generated energy caused by shutting down to lose.
In another embodiment of the present invention, it is separately provided on the stator winding unit of generator unit described in every group
Faradic leading-out terminal is exported, as shown in Fig. 2, leading-out terminal 31 is provided on stator winding unit 310, stator winding unit
Leading-out terminal 32 is provided on 320, the direction of routing for the cable drawn on leading-out terminal 31 and leading-out terminal 32 is identical, and with it is described in
Mandrel is parallel.
It is used to draw faradic leading-out terminal 31 in the present embodiment and leading-out terminal 32 is respectively arranged at stator winding unit
310 and stator winding unit 320 on, and the cable drawn from leading-out terminal 31 and leading-out terminal 32 can be walked in same direction
Line, the direction is parallel with the central axis, can simplify subsequent faradic processing circuit；For example, drawing from different leading-out terminals
Babble electric current out can be introduced into the same circuit breaker device, reduce component count, reduce the complexity of circuit design
Degree；Moreover, the cable can be made to concentrate along the direction of the central axis when the cable is parallel with the central axis
Outlet is conducive to shorten track lengths；Cable described in multichannel also can be used same when same or similar position is turned round
Adapter avoids the situation of Multi-path electricity cable runs confusion.
Therefore in another embodiment of the invention, the cable drawn on the leading-out terminal 31 and leading-out terminal 32 can be along institute
Central axis cabling is stated, so that the induced current generated can be pierced by from motor interior, simplifies answering for the generator assembly cabling
Miscellaneous degree.
In another embodiment of the invention, the rotor rim unit 210 in a generator unit and another power generation are single
Rotor rim unit connector 230, the rotor rim unit connector are also connected between rotor rim unit 220 in member
Rotor rim unit supports frame 240 is equipped between 230 and the central axis.
The rotor rim unit connector 230 can be for for connecting rotor rim unit 210 and rotor rim unit 220
Insulating materials connector.In one embodiment of the present of invention, as shown in figure 3, if the generator assembly is that outer rotor is default
The same outer rotor axle sleeve 250 can be used in minor structure, with the magnet 251 for fixing in two groups of generator units；In two groups of power generations
The 250 settable card slot in inside of outer rotor axle sleeve between the magnet 251 of unit, for being clamped rotor rim unit connector
230, to be conducive to that rotor rim unit supports frame 240 is arranged between the central axis and the outer rotor axle sleeve 250.Turn
Sub- Yoke unit support frame 240 is conducive to make rotor rim unit 210, rotor rim unit 220,310 and of stator winding unit
More stable space structure is formed between stator winding unit 320, and makes rotor rim unit 210 and rotor rim unit 220
Rotation it is more stable；Moreover, rotor rim unit connector 230 may also function as the effect of two groups of generator units of isolation, two are reduced
Interference between group generator unit.
Further, the rotor rim unit supports frame 240 can be the reticular structure of hollow out, so that two groups of generator units
Between keep good air circulation, realize the intercommunication between generator unit, improve heat dissipation effect.
Based on the generator assembly, the present invention also proposes that a kind of generator, the generator include any one of aforementioned institute
The generator assembly stated.
By taking generator assembly includes two groups of generator units not being conjugated as an example, when the generator uses the generating set
When part, the double generator units that can not be conjugated by two, by disorderly closedown probability caused by the failure of the stator winding unit,
Or probability of malfunction caused by the rotor rim element failure is reduced into several times.The identical existing generator phase with rated power
Than the current effective value in the generator unit can be reduced by 1/2 in power generation, to subtract by double generator units design of the invention
The internal loss of small generators；If being used for transmission the cable linear diameter of electric current by increasing and reducing the internal loss,
In the identical situation of the internal loss, the present invention is equivalent to the materials for having saved the cable of generator.
In another generator embodiment of the invention, as shown in connection with fig. 2, the generator further includes being placed on main shaft
Bearing on 110；Rotor rim unit 210 and rotor rim unit are fixed on the outer ring of the bearing or one in inner ring
220, stator winding unit 310 and stator winding unit 320 are fixed on the outer ring of the bearing or another in inner ring.Knot
The structure of the generator assembly is closed, the magnet on rotor rim unit 210 is opposite with the coil in stator winding unit 310 to be set
It sets, and separates the prepsetting gap, it, can be in the line of corresponding stator winding unit 310 when so that rotor rim unit 210 rotating
Induced current is generated in circle；Magnet on rotor rim unit 220 is oppositely arranged with the coil in stator winding unit 320, and
The prepsetting gap is separated, it, can be in the coil of corresponding stator winding unit 320 when so that rotor rim unit 220 rotating
Generate induced current.
The bearing includes inner ring and outer ring, when bearing rotation when, can for the inner ring rotation and the outer ring is motionless, or
It is the outer ring rotating and the inner ring is motionless.It, can therefore when the inner ring of the bearing or outer ring rotate under the drive of external force
Make the rotor rim unit rotational being fixed on the bearing inner race or outer ring；And stator winding element is then fixed on the bearing
Inner ring or outer ring in another on, remain stationary, therefore, can between the stator winding unit and the rotor rim unit
It relatively rotates, generates induced current.When the bearing drives the rotor rim unit rotational, the center of the bearing
Line can be with the center overlapping of axles, so that the rotating torque of the rotor rim unit keeps balance.
In the present embodiment, leading-out terminal 31 and leading-out terminal 32 may be disposed at the inside of the bearing, to facilitate from leading-out terminal
31 and leading-out terminal 32 draw cable along the bearing center line cabling；Further, the cable can be along main shaft 110
Inside cabling so that the cabling of the cable is more concentrated, convenient for the processing of subsequent circuit signal and cabling design.
The present invention also proposes another embodiment: the bearing includes the fore bearing 120 for being placed on 110 front end of main shaft, and set
Rear bearing 130 in 110 middle part of main shaft；The outer ring of the fore bearing 120 is fixed with the rotor rim unit 210, institute
The outer ring for stating rear bearing 130 is fixed with the rotor rim unit 220, and the inner ring of the fore bearing 120 is fixed with the stator
Winding element 310, the inner ring of the rear bearing 130 are fixed with the stator winding unit 320.
In the present embodiment, stator winding unit 310 and stator winding unit 320 are individually fixed in fore bearing 120 with after
The inner ring of bearing 130, therefore, leading-out terminal 31 and leading-out terminal 32 in the present embodiment are also securable to fore bearing 120 and rear bearing 130
Inner ring on, be conducive to the cable for making to draw from leading-out terminal 31 and leading-out terminal 32 along the direction cabling of main shaft 110, with simplification
The induced current of two groups of generator units goes out thread path.
Based on a upper embodiment, the present invention also proposes another embodiment: the rotor rim unit supports frame 240 can connect
Between the outer ring and the rotor rim unit connector 230 of rear bearing 130, so that the rotor rim unit supports frame
240 rotate synchronously with the outer ring of the rear bearing 130, play the role of supporting two groups of generator units；If two groups of generator units are public
With an outer rotor axle sleeve 250, the rotor rim unit supports frame 240 can prevent outer rotor axle sleeve 250 in long-term use
Deformation, to reduce influence of the deformation to generating efficiency because of outer rotor axle sleeve 250.
Previous embodiment is conducive to point by the load of fore bearing 120 and 130 two generator units of shared of rear bearing
The load proportion for dissipating bearing, reduces the fatigue strength of bearing, improves the service life of bearing, to reduce the probability of malfunction of bearing.
The present invention also proposes another embodiment: the generator further includes stator winding bracket 311 and stator winding bracket
321；Stator winding unit 310 is fixedly connected by the stator winding bracket 311 with the inner ring of the fore bearing 120, another
A stator winding unit 320 is fixedly connected by stator winding bracket 321 described in another with the inner ring of the rear bearing 130.
The electrification structure of original generator is designed to multiple independent modules or unit by the present embodiment, i.e., by original electrification structure mould
Block or blocking, in the identical situation of generated output of generator, the present embodiment is by the power generation including two generator units
Thermomechanical components are connected on two bearings by stator winding bracket 311 and stator winding bracket 321, with balancing load, are had
Conducive to biggish winding space is formed in generator, in order to increase the outer diameter of stator punching, reach the stator for making generator
Winding realize preferably radiate purpose, improve induced current loss and caused by temperature-rise effect, and then improve generator environment
Adaptability.In the case where same temperature rise license, structure described in the present embodiment can make the radiating efficiency of generator higher.
Further, generator unit described in each group can be divided at least two sub- generator units again, so that each power generation is single
Member can produce at least two groups induced current circuit；Therefore the present invention proposes another embodiment: the rotor rim unit 210 and described
Rotor rim unit 220 respectively includes at least two rotor rim unit subelements, the stator winding unit 310 and described fixed
Sub- winding element 320 respectively includes at least two stator winding subelements, and each stator winding subelement respectively corresponds one
A rotor rim unit subelement so that a rotor rim unit subelement in rotor rim unit 210 correspond to stator around
A stator winding subelement in group unit 310, another rotor rim unit subelement correspond to another stator winding
Unit, so that at least two-way induced current can be formed in one group of generator unit, therefore two groups of generator units in the present embodiment can
It forms at least four road feels and answers current loop.
It, can also be fixed by changing in each described stator winding unit or in each described stator winding subelement
Coil-winding mode on sub- winding generates babble electric current；It that is:, both can be more by being arranged in a generator unit
To rotor rim unit subelement and stator winding subelement to generate babble electric current, and can be by changing on stator winding
Coil-winding mode to generate babble electric current, thus make the present invention realize form the mesh that multiple feeling of independence answer current loop
's.
Induced current all the way is exported in compared to one group generator unit, under same generated output, the present invention can form more
The faradic each embodiment in road, can reduce each road feel and answer size of current, to reduce induced current during output
Current loss.Although increasing the cross-sectional area for conveying the faradic cable, the current loss can be reduced,
But increase the materials of the cable；Therefore the present invention it is single can to save the power generation while reducing the current loss
The materials of the faradic cable are used for transmission in member.
The present invention can be by the generator unit that two groups are not conjugated and a variety of each embodiments for forming babble electric current
It combines, disorderly closedown probability caused by disorderly closedown probability caused by generator coil is failed or magnet failure reduces number
Times；Compared with the identical existing generator of rated power, multiloop induced current of the invention designs embodiment, can be by the hair
Induced current virtual value in electric unit is reduced to the one of several points, further reduces the internal loss of generator；As previously mentioned,
Also the cable materials of generator electric energy transmission have been saved.
Based on the generator, the present invention also proposes that a kind of wind power generating set, the wind power generating set include aforementioned
Described in any item generators, the wind power generating set have beneficial effect corresponding with the generator.
In some embodiments, when the direction of routing for the cable drawn on the leading-out terminal of the wind power generating set
It is identical, and it is parallel with the central axis when, be conducive to that the induced current of wind power generating set is made to go out thread path from the main shaft 110
Inside direct puncture wind power generating set pylon below, faradic conveying length can be effectively shortened, and wind-force hair can be optimized
Space layout in electric set engine room.
In conjunction with shown in Fig. 2-Fig. 4, in one embodiment of wind power generating set of the present invention, the wind power generating set is also
Including the impeller integrated 501 for driving rotor rim unit 210 and rotor rim unit 220 to rotate, and it is used to support rotor
The front support frame 211 of Yoke unit 210 and rotor rim unit 220；The outer ring side of the fore bearing 120 passes through first flange
401 connect with the impeller integrated 501, and the other side is connect by second flange 402 with the front support frame 211.The present embodiment
The rotor rim unit 210, rotor rim unit 220 are integrated with impeller with second flange 402 using first flange 401
501 are fixedly connected, so that rotor rim unit 210 and rotor rim unit 220 rotate hair under the drive that impeller integrates 501
Electricity, the fixed structure is secured, long service life.
Further, current 120 outer ring side of bearing be connected with impeller it is integrated 501 when, fore bearing 120 should bear described
The load of outer rotary device bears the integrated load of impeller again；Therefore fore bearing 120 is preferably biserial pyramid type, biserial pyramid type
Radial direction and axial load can be born, simultaneously to keep the stable structure of generator.Biserial pyramid type can be used in rear bearing 130, also
The higher single-row cylindrical shape bearing of cost performance can be used, or select other bearings as the case may be, details are not described herein.
In another embodiment of generator of the present invention, a rotor rim unit 210 can pass through the front support frame 211
It is fixedly connected with the outer ring of the fore bearing 120, so that the outer ring of rotor rim unit 210 and fore bearing 120 rotates synchronously；Separately
The side of one rotor rim unit 220 can support on rotor rim unit supports frame 240, and the other side can support in generator
Rear end cap 222 on, with the rotation for keeping rotor rim unit 220 stable.Rear end cap 222 is connected to the rear support frame of generator
On 221, rear support frame 221 is connect with the inner ring of rear bearing 130.Settable corresponding accommodation groove on the rear end cap 222 of generator,
So that rotor rim unit 220 is rotated around the accommodation groove.
In another embodiment of wind power generating set of the present invention, the leading-out terminal 31 and leading-out terminal of the generator assembly
32, it can be electrically connected respectively by the adapter 71 in Fig. 4 with converter system 72, the induced current, which is converted to, will meet electricity
The electric energy of net transmission requirement.
In one embodiment of wind power generating set of the present invention, as shown in figure 4, the wind power generating set includes
Generator 50 and cabin integrated 60, the cabin integrated 60 pass through engine room foundation 61 and 110 rear end of main shaft of generator 50
Third flange 403 connects, and the stator apparatus including stator winding unit 310 and stator winding unit 320 passes through fixing bolt
404 connect with rear bearing 130.It include for controlling the electric control system of wind power generating set work, liquid in cabin integrated 60
Pressure system etc., and for the faradic adapter 71 of transferring；Adapter 71 may also be in the engine room foundation 61.
Impeller integrated 501 is connected to 50 front side of generator by first flange 401.
In case of no particular description, " preceding " and " rear " in each embodiment of the present invention only indicates in diagram two
Opposite direction, and any restrictions are not carried out to the direction or placement direction of component each in figure.
The present invention also proposes that a kind of electricity-generating method, the electricity-generating method are carried out using generator any one of of the present invention
Power generation.
In conjunction with structure as shown in Figure 4, the electricity-generating method may include following steps:
Obtain the induced current exported from leading-out terminal 31 and/or leading-out terminal 32；
The induced current is forwarded to unsteady flow module by interconnecting module；
The induced current is converted to by the unsteady flow module electric energy of parameter preset.
When the present invention is applied to wind power generating set, the interconnecting module can be the switching being set in engine room foundation 61
Device 71, the unsteady flow module can be the converter system 72 for being set to cabin or tower bottom.Leading-out terminal 31, leading-out terminal 32, with
And the cable winding displacement in other each induced current circuits can be used the form of copper bar line and draw from the inside of generator 50, through turning
It connects device 71 and leads to converter system 72, the induced current that generator is generated, which is converted into, meets the electric energy that conveying requires.With it is aforementioned
The structure of generator embodiment is corresponding, and multi-module structure can be used in the adapter 71 and converter system 72 in the present embodiment, so as to
Current loop is answered in each road feel of independent control.It is remaining when any group of generator unit breaks down in the generator
Generator unit can still be worked on by the multi-module structure.When a set of magnet steel any in two sets of magnet steel of generator breaks down
When or two sets of coils of generator in any a set of coil when breaking down, wind power generating set of the invention can also pass through
Remaining a set of magnet steel or coil work on.
The above is only some embodiments of the invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (15)
1. a kind of generator assembly, which is characterized in that the generator unit not being conjugated including two groups；
Generator unit described in every group include center overlapping of axles rotor rim unit (210,220) and stator winding unit (310,
320), the rotor rim unit (210,220) is provided with magnet on the medial surface close to the central axis, the stator around
Group unit (310,320) is provided with coil, shape between the magnet and the coil on the lateral surface far from the central axis
At prepsetting gap, and it is positioned opposite to each other.
2. generator assembly according to claim 1, which is characterized in that the stator winding unit of generator unit described in every group
It is provided on (310,320) for exporting faradic leading-out terminal (31,32), is drawn on each leading-out terminal (31,32)
Cable direction of routing it is identical and parallel with the central axis.
3. generator assembly according to claim 1, which is characterized in that the rotor rim unit of generator unit described in two groups
Be connected with rotor rim unit connector (230) between (210,220), the rotor rim unit connector (230) with it is described
Rotor rim unit supports frame (240) is equipped between central axis.
4. generator assembly according to claim 3, which is characterized in that the rotor rim unit supports frame (240) is
The reticular structure of hollow out.
5. a kind of generator, which is characterized in that including the described in any item generator assemblies of claim 1-4.
6. generator according to claim 5, which is characterized in that further include the bearing being placed on main shaft (110)；The axis
The rotor rim unit (210,220), the outer ring of the bearing or inner ring are fixed on one in the outer ring held or inner ring
In another on be fixed with the stator winding unit (310,320).
7. generator according to claim 6, which is characterized in that the bearing includes being placed on the main shaft (110) front end
The fore bearing (120) in portion, and the rear bearing (130) being placed in the middle part of the main shaft (110)；The fore bearing (120) and it is described after
The outer ring of bearing (130) is respectively fixed with the rotor rim unit (210,220), the fore bearing (120) and described
The inner ring of rear bearing (130) is respectively fixed with the stator winding unit (310,320).
8. generator according to claim 7, which is characterized in that further include two stator winding brackets (311,321)；One
A stator winding unit (310) is solid by the inner ring of a stator winding bracket (311) and the fore bearing (120)
Fixed connection, another described stator winding unit (320) pass through another described stator winding bracket (321) and the rear bearing
(130) inner ring is fixedly connected.
9. generator according to claim 5, which is characterized in that each rotor rim unit (210,220) is respectively
Including at least two rotor rim unit subelements, each stator winding unit (310,320) respectively includes at least two
Stator winding subelement, each stator winding subelement respectively correspond the rotor rim unit subelement.
10. a kind of wind power generating set, which is characterized in that including the described in any item generators of claim 5-9.
11. wind power generating set according to claim 10, which is characterized in that further include for driving the rotor rim
The impeller of unit (210,220) rotation integrates (501) and is used to support the front support frame of the rotor rim unit (210,220)
(211)；The outer ring side of the fore bearing (120) integrates (501) with the impeller by first flange (401) and connect, another
Side is connect by second flange (402) with the front support frame (211).
12. wind power generating set according to claim 11, which is characterized in that the fore bearing (120) is biserial circular cone
Type.
13. wind power generating set according to claim 11, which is characterized in that a rotor rim unit (210)
It is fixedly connected by the front support frame (211) with the outer ring of the fore bearing (120).
14. wind power generating set according to claim 10, which is characterized in that it further include that cabin integrates (60), the machine
Cabin integrates (60) and is connect by engine room foundation (61) with the third flange (403) of the main shaft (110) rear end.
15. a kind of electricity-generating method, which is characterized in that generated electricity using the described in any item generators of claim 5-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811095392.9A CN109167500A (en) | 2018-09-19 | 2018-09-19 | Generator assembly, generator, wind generating set and power generation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811095392.9A CN109167500A (en) | 2018-09-19 | 2018-09-19 | Generator assembly, generator, wind generating set and power generation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109167500A true CN109167500A (en) | 2019-01-08 |
Family
ID=64879695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811095392.9A Pending CN109167500A (en) | 2018-09-19 | 2018-09-19 | Generator assembly, generator, wind generating set and power generation method |
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| Country | Link |
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| CN (1) | CN109167500A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228279A (en) * | 2019-06-30 | 2021-01-15 | 北京金风科创风电设备有限公司 | Generator and wind generating set |
| CN112653272A (en) * | 2020-12-11 | 2021-04-13 | 清华大学 | Compressor and starting integrated motor integration of aircraft turbine engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001450A (en) * | 2011-09-14 | 2013-03-27 | 新疆金风科技股份有限公司 | Wind generating set |
| CN202971048U (en) * | 2012-12-24 | 2013-06-05 | 新疆金风科技股份有限公司 | Direct-drive wind power generator |
| CN103460571A (en) * | 2011-03-31 | 2013-12-18 | 并木精密宝石株式会社 | Outer rotor motor |
-
2018
- 2018-09-19 CN CN201811095392.9A patent/CN109167500A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103460571A (en) * | 2011-03-31 | 2013-12-18 | 并木精密宝石株式会社 | Outer rotor motor |
| CN103001450A (en) * | 2011-09-14 | 2013-03-27 | 新疆金风科技股份有限公司 | Wind generating set |
| CN202971048U (en) * | 2012-12-24 | 2013-06-05 | 新疆金风科技股份有限公司 | Direct-drive wind power generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228279A (en) * | 2019-06-30 | 2021-01-15 | 北京金风科创风电设备有限公司 | Generator and wind generating set |
| CN112653272A (en) * | 2020-12-11 | 2021-04-13 | 清华大学 | Compressor and starting integrated motor integration of aircraft turbine engine |
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