CN105099108B - Fan electromotor and fan - Google Patents

Fan electromotor and fan Download PDF

Info

Publication number
CN105099108B
CN105099108B CN201410219836.0A CN201410219836A CN105099108B CN 105099108 B CN105099108 B CN 105099108B CN 201410219836 A CN201410219836 A CN 201410219836A CN 105099108 B CN105099108 B CN 105099108B
Authority
CN
China
Prior art keywords
magnetic sheet
internal
ring
layer magnetic
stator core
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.)
Active
Application number
CN201410219836.0A
Other languages
Chinese (zh)
Other versions
CN105099108A (en
Inventor
宁蜀悦
石坚
晁汐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201410219836.0A priority Critical patent/CN105099108B/en
Publication of CN105099108A publication Critical patent/CN105099108A/en
Application granted granted Critical
Publication of CN105099108B publication Critical patent/CN105099108B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

A kind of fan electromotor of the present invention is included stator assembly and rotor assembly, stator module includes the stator core that volume sets winding, stator module is rotationally connected with rotor axis of electric, rotor assembly includes internal layer magnetic sheet and outer layer magnetic sheet, internal layer magnetic sheet and outer layer magnetic sheet are coaxial, and outer layer magnetic sheet is enclosed on the outside of internal layer magnetic sheet, internal layer magnetic sheet includes multiple interior magnetic stripes, per two adjacent interior magnetic stripe opposite polarities, outer layer magnetic sheet includes multiple outer magnetic stripes, per two adjacent outer magnetic stripe opposite polarities, homopolarity is relative in radial directions with internal layer magnetic sheet for outer layer magnetic sheet, stator core is located at interior, between outer layer magnetic sheet, internal layer magnetic sheet is with the magnetic line of force caused by outer layer magnetic sheet vertically into stator core, and the magnetic line of force in stator core forms tangential magnetic field.During fan electromotor of the present invention rotation, stator core will not cutting magnetic line, the magnetic line of force will not produce eddy-current loss caused by stator core, so that the numerical value of the stator core iron loss declines.The present invention also provides a kind of fan.

Description

Fan electromotor and fan
Technical field
The present invention relates to fan art, more particularly to a kind of birotor fan and fan electromotor.
Background technology
Fan is a kind of device for being used in fan apparatus convert electrical energy into mechanical energy with motor, and it is mainly by a use Formed with producing the electromagnet winding in magnetic field or the stator winding of distribution and a rotating armature or rotor.Motor uses the power on Coil in magnetic field the phenomenon of Forced rotation and it is manufactured.Fan has been used in each electronic product, with each electron-like The compact development trend of product, the requirement of the performance of volume and fan to fan are continuously increased.Therefore, how to design A kind of energy loss is small, the high fan electromotor of operating efficiency, the problem persistently studied for industry.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of fan electromotor, small with energy loss, operating efficiency The advantages of high.To achieve these goals, embodiment of the present invention provides following technical scheme:
On the one hand, the present invention provides a kind of fan electromotor, including stator assembly and rotor assembly, the stator module includes Volume sets the stator core of winding, and the rotor assembly includes rotor axis of electric, and the stator module is rotationally connected with the motor Armature spindle, the rotor assembly also include tubular internal layer magnetic sheet and outer layer magnetic sheet, the internal layer magnetic sheet and the outer layer Magnetic sheet is coaxial, and the outer layer magnetic sheet is set in outside the internal layer magnetic sheet, and the rotor axis of electric is located at the internal layer magnetic sheet Axle center at, the internal layer magnetic sheet includes multiple axially extending and circumferentially distributed interior magnetic stripe, it is described per adjacent two in The opposite polarity of magnetic stripe, the outer layer magnetic sheet include multiple axially extending and circumferentially distributed outer magnetic stripe, per adjacent two The outer magnetic stripe opposite polarity, homopolarity is relative in radial directions with the internal layer magnetic sheet for the outer layer magnetic sheet, the stator iron Core is located between the internal layer magnetic sheet and the outer layer magnetic sheet, and the stator core is in straight-tube shape, the internal layer magnetic sheet and institute The magnetic line of force caused by outer layer magnetic sheet is stated vertically into the stator core, and the magnetic line of force in the stator core forms edge The tangential magnetic field of the stator core circumferentially extending.
Wherein, the rotor assembly also includes the outer rotor set being coaxially disposed and internal rotor set, the outer rotor set are arranged In the outside of internal rotor set, outer rotor set includes the first mounting cylinder, the first fixing end and the first openend, and described the One fixing end is located at an end face of first mounting cylinder, and first openend is located at another of first mounting cylinder End face, the internal rotor set include the second mounting cylinder, the second fixing end and the second openend, and second fixing end is located at described One end face of the second mounting cylinder, second openend are located at another end face of second mounting cylinder, and described second is solid Fixed end is fixedly connected on first fixing end, and the outer layer magnetic sheet is fixed on the inner surface of first mounting cylinder, described interior Layer magnetic sheet is fixed on the outer surface of second mounting cylinder, and one end of the rotor axis of electric is fixedly attached to described first and fixed End, the other end of the rotor axis of electric are located at second openend of internal rotor set.
Wherein, the rotor assembly also includes a pair of retainer rings, and the Fixing shrink ring is located at the periphery of internal rotor set And for the both ends of the internal layer magnetic sheet to be fixed to the second installation tube outer surface of the internal rotor set.
Wherein, the multiple outer magnetic stripe is interconnected to form the outer layer magnetic sheet independently of one another.
Wherein, the outer layer magnetic sheet is integral type structure.
Wherein, the stator core includes multiple ring-shaped silicon steel sheets, and the multiple silicon steel sheet mutually laminates so that described fixed Sub- iron core is in straight tube shape, and circumferencial direction of the winding along the stator core is distributed, and is wound in the stator core Surfaces externally and internally and both ends of the surface, magnetic direction caused by the winding are the tangential direction of the ring-shaped silicon steel sheet.
Wherein, the stator module also includes being individually fixed in the both ends of the surface of the stator core and upper end in a ring Plate and bottom plate, the upper head plate set the upper winding slot of multiple spaced settings, and the bottom plate sets multiple spaced set The lower winding slot put, the winding for winding the stator core pass through the multiple upper winding slot and the multiple lower coiling Groove.
Wherein, the stator module also includes iron core base and stator seat, the iron core base in a ring, the bottom plate and institute State iron core base to be fixedly connected, the stator seat includes fixed charge method end plate and connecting cylinder, and the fixed charge method end plate is based in the connecting cylinder One end periphery, the iron core base is sheathed on the periphery of the connecting cylinder together with the stator core for winding the winding, And the iron core base is fixedly attached to the fixed charge method end plate, the internal layer magnetic sheet is contained in the stator core and the connecting cylinder Between, the rotor axis of electric stretches into the connecting cylinder and is rotationally connected with the connecting cylinder.
Wherein, the fan electromotor is also included located at the bearing group between the rotor axis of electric and the stator module Part, be rotatablely connected the stator module by the bearing assembly includes same to the rotor axis of electric, the bearing assembly Axle isometric internal magnetic ring and outer magnetic ring, the internal magnetic ring are fixedly attached to the rotor axis of electric, and the outer magnetic ring is fixedly connected To the stator module, and the outer magnetic ring is with being stacked and axially aligning inside and outside the internal magnetic ring, the internal magnetic ring and institute State and be provided with the working clearance between outer magnetic ring.
Wherein, the bearing assembly also includes fixed cover and locating ring, and the fixed cover is sheathed on the rotor axis of electric And be fixedly connected with the rotor axis of electric, one end of the fixed cover projects baffle ring, the internal magnetic ring set along radial direction It is fixedly connected located at the fixed cover and with the fixed cover, the locating ring is sheathed on the remote baffle ring of the fixed cover One end, the locating ring and the baffle ring are respectively limited by the both ends of the internal magnetic ring.
Wherein, the bearing assembly also includes a pair of mechanical bearings, described that the rotor is sheathed on to mechanical bearing Axle, and it is located at the both sides of the fixed cover respectively, it is described that the rotor axis of electric and the stator pack are installed on to mechanical bearing Between part, to realize rotating shaft connection and the radial positioning between the rotor axis of electric and the stator module.
Wherein, the bearing assembly also includes a pair of bearings set and a pair of elastic washers, described that bearing holder (housing, cover) is respectively arranged on It is described between mechanical bearing and the stator module, it is described elastic washer is located in respectively it is described to bearing holder (housing, cover) with it is described right Between mechanical bearing.
Wherein, the stator module also includes stator seat, and the stator seat includes fixed charge method end plate and connecting cylinder, the fixation End plate is based in the periphery of one end of the connecting cylinder, and the stator core that volume sets the winding is sheathed on outside the connecting cylinder Enclosing and be fixed on the fixed charge method end plate, the rotor axis of electric is contained in inside the connecting cylinder together with the bearing assembly, and Described that bearing holder (housing, cover) is fixedly connected with the connecting cylinder inwall, one of them described bearing holder (housing, cover) is located at the close institute of the connecting cylinder One end of fixed charge method end plate is stated, another described bearing holder (housing, cover) is located at one end away from the fixed charge method end plate of the connecting cylinder.
Wherein, the bearing holder (housing, cover) close to one end of the fixed charge method end plate positioned at the connecting cylinder is with the connecting cylinder Integral structure;The bearing holder (housing, cover) positioned at the opening of the connecting cylinder is removably fixed on the connecting cylinder.
Wherein, the quantity of the internal magnetic ring is multiple and coaxially overlapped, and the quantity of the outer magnetic ring is multiple and same Axle overlaps, and each internal magnetic ring and each outer magnetic ring are axial charging, the both ends of the surface of same internal magnetic ring Opposite polarity, the polarity of the both ends of the surface of same outer magnetic ring is also on the contrary, adjacent two internal magnetic rings are bonded to each other End face polarity is identical, and the end face polarity being bonded to each other of adjacent two outer magnetic rings is also identical, in same radial direction The opposite polarity of the upper corresponding internal magnetic ring and the outer magnetic ring.
On the other hand, the present invention also provides a kind of fan, including blade and the described fan for driving the blade Motor, the blade are set in the periphery of the rotor assembly of the fan electromotor.
Because the fan electromotor of the present invention includes birotor, i.e. internal layer magnetic sheet forms inner and outer Rotator respectively with outer layer magnetic sheet, The magnetic line of force caused by the internal layer magnetic sheet and the outer layer magnetic sheet is vertically into the stator core, to produce effective torque, And the magnetic line of force in the stator core forms tangential magnetic field, because tangential magnetic field is consistent with fan electromotor direction of rotation, That is fan electromotor rotate when, stator core will not cutting magnetic line, the magnetic line of force will not produce whirlpool caused by stator core Stream loss, so that the numerical value of the stator core iron loss declines, so that fan electromotor energy loss reduces, improve fan The operating efficiency of motor..
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the required accompanying drawing used in embodiment will be made below Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained such as these accompanying drawings.
Fig. 1 is the profile of the fan in one embodiment of the present invention.
Fig. 2 is the three-dimensional exploded view of the fan in one embodiment of the present invention.
Fig. 3 is the three-dimensional assembly diagram of the fan in one embodiment of the present invention.
Fig. 4 is the three-dimensional assembly diagram of the rotor assembly of the fan electromotor in one embodiment of the present invention.
Fig. 5 is the three-dimensional exploded view of the rotor assembly of the fan electromotor in one embodiment of the present invention.
Fig. 6 is stator core, winding, upper and lower end plate and the iron core base of the fan electromotor in one embodiment of the present invention Three-dimensional exploded view.
Fig. 7 is the schematic perspective view of the stator seat in the stator module of the fan electromotor in one embodiment of the present invention.
Fig. 8 is the structural representation of the interior outer magnetic ring in the bearing assembly of the fan electromotor in one embodiment of the present invention Figure.
Fig. 9 is single internal magnetic ring or outer magnetic ring in the bearing assembly of the fan electromotor in one embodiment of the present invention Interface schematic diagram.
Figure 10 is between the internal layer magnetic sheet, outer layer magnetic sheet and stator core of the fan electromotor in one embodiment of the present invention Form the schematic diagram in magnetic field.
Figure 11 be the fan electromotor in one embodiment of the present invention winding on stator core a kind of canoe Schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is carried out clear Chu, it is fully described by.
Fig. 1, Fig. 2 and Fig. 3 are referred to, the present invention relates to a kind of fan 100 and fan electromotor 200, fan 100 includes blade 102 and for driving the fan electromotor 200 of the blade 102.
Fan electromotor 200 includes stator module 10 and rotor assembly 20, and the stator module 10 includes volume and sets winding 14 Stator core 12, the rotor assembly 20 include rotor axis of electric 22, and the stator module 10 is rotationally connected with the motor and turned Sub- axle 22.The rotor assembly 20 also includes tubular internal layer magnetic sheet 24 and outer layer magnetic sheet 26, the internal layer magnetic sheet 24 with The outer layer magnetic sheet 26 is coaxially disposed, and the outer layer magnetic sheet 26 is set in outside the internal layer magnetic sheet 24, the rotor Axle 22 is located at the axle center of the internal layer magnetic sheet 24 and the outer layer magnetic sheet 26, rotor axis of electric 22, internal layer magnetic sheet 24 and outer layer Magnetic sheet 26 is fixedly connected, and to rotate jointly, internal layer magnetic sheet 24 forms dual-rotor structure with outer layer magnetic sheet 26.The internal layer magnetic sheet 24 It is described outer per two adjacent interior opposite polarities of magnetic stripe 242 including multiple axially extending and circumferentially distributed interior magnetic stripe 242 Layer magnetic sheet 26 includes multiple axially extending and circumferentially distributed outer magnetic stripe 262, per two adjacent outer polarity phases of magnetic stripe 262 Instead, homopolarity is relative in radial directions with the internal layer magnetic sheet 24 for the outer layer magnetic sheet 26, as shown in Figure 10, such as an interior magnetic The polarity of bar 242 is N poles, and the polarity with the outer magnetic stripe 262 of interior magnetic stripe 242 that this is N poles on same Radius is also N poles. The direction of the interior magnetic stripe 242 and the magnetic line of force caused by the outer magnetic stripe 262 extends in a radial direction.Interior magnetic stripe 242 with The quantity of outer magnetic stripe 262 is even number.
Referring to Fig. 10, the stator core 12 is located between the internal layer magnetic sheet 24 and the outer layer magnetic sheet 26, and institute It is in straight-tube shape to state stator core 12, and the internal layer magnetic sheet 24 is with the magnetic line of force caused by the outer layer magnetic sheet 26 vertically into described Stator core 12, and the magnetic line of force in the stator core 12 is formed along the tangential of the circumferentially extending of the stator core 12 Magnetic field.Specifically, the magnetic line of force for the outer magnetic stripe 262 that the polarity diametrically answered is the interior magnetic stripe 242 of N poles and polarity is N poles Direction is vertically into stator core 12, and into after stator core 12, the magnetic line of force is circumferentially in the stator core 12 It is interior to extend towards the interior magnetic stripe 242 that adjacent polarity is S poles and outer magnetic stripe 262 that polarity is S poles, then the magnetic line of force respectively along Radial direction extends to the interior magnetic stripe 242 that polarity is S poles and the outer magnetic stripe 262 that polarity is S poles from stator core 12.
When the winding 14 on stator core 12 is powered, the air gap between the stator module 10 and the rotor assembly 20 Rotating excitation field is produced, magnetic force line cutting rotating excitation field caused by the rotor assembly 20 produces induced electromotive force and induced electricity Stream, induced-current produces electromagnetic force with rotating excitation field interaction, so that the rotor assembly 20 rotates.The leaf Piece 102 is set in the periphery of the rotor assembly 20 of the fan electromotor 200, while rotation with rotor assembly 20, with band movable vane Piece 102 rotates.
Because the fan electromotor 200 of the present invention includes birotor, i.e., internal layer magnetic sheet 24 and outer layer magnetic sheet 26 is formed respectively it is interior, Outer rotor, the magnetic line of force caused by the internal layer magnetic sheet 24 and the outer layer magnetic sheet 26 vertically into the stator core 12, with Effective torque is produced, and the magnetic line of force in the stator core 12 forms tangential magnetic field, due to tangential magnetic field and fan electromotor 200 direction of rotation are consistent, that is to say, that fan electromotor 200 rotate when, stator core 12 will not cutting magnetic line, stator core 12 Electric current would not be produced, i.e. stator core 12 will not produce eddy-current loss, so that under the numerical value of the iron loss of the stator core 12 Drop.
Installation and location structure of the internal layer magnetic sheet 24 with outer layer magnetic sheet 26 are specific as follows, please refer to Fig. 4 and figure 5。
The rotor assembly 20 also includes being coaxially disposed and mutually nested outer rotor set 25 and internal rotor set 23, described outer Rotor set 25 includes the first mounting cylinder 252, the first fixing end 254 and the first openend 256, and first fixing end 254 is located at One end face of first mounting cylinder 252, first openend 256 are located at another end of first mounting cylinder 252 Face, outer rotor set 25 is similar to the barrel shaped structure of one end open, and specifically, the first fixing end 254 is shaped in the first installation One end of cylinder 252, and the first mounting cylinder 252 is in drum-shaped structure, the first fixing end 254 is in disk form.The internal rotor set 23 Including the second mounting cylinder 232, the second fixing end 234 and the second openend 236, second fixing end 234 is located at described second One end face of mounting cylinder 232, second openend 236 are located at another end face of second mounting cylinder 232, it is specific and Speech, the second fixing end 234 is in annular and the center from one end of the second mounting cylinder 232 radially toward the second mounting cylinder 232 Extension, the second mounting cylinder 232 is in drum-shaped structure.Second fixing end 234 is fixedly connected on first fixing end 254, The outer layer magnetic sheet 26 is fixed on the inner surface of first mounting cylinder 252, and the internal layer magnetic sheet 24 is fixed on second peace The outer surface of fitted tube 232, one end of the rotor axis of electric 22 are fixedly attached at the center of first fixing end 254, institute The other end for stating rotor axis of electric 22 stretches out second openend 236.In present embodiment, by it is inside and outside it is mutually nested in Rotor set 23 and outer rotor set 25 fix internal layer magnetic sheet 24 and outer layer magnetic sheet 26 as carrier, can be according to fan electromotor 200 The size of setting internal layer magnetic sheet 24 and outer layer magnetic sheet 26 is needed, the material of inner and outer Rotator set 25 is permeability magnetic material, can select steel Material, the inner and outer Rotator set 25 can increase magnetosonic intensity, reduce leakage field., can also be by inside and outside layer in other embodiment Magnetic sheet 24,26 structures can also make the magnet ring of whole cylindrical shape, and multiple magnetic poles, phase are processed as respectively on the circumferencial direction of magnet ring Adjacent two magnetic poles can be thus omitted on the contrary, inside and outside layer magnetic sheet 24,26 directly is fixedly connected on into rotor axis of electric 22 Inner and outer Rotator covers 23,25 structure design.
In the present embodiment, the fixed form between internal layer magnetic sheet 24 and internal rotor set 23 is:The rotor assembly 20 also wraps A pair of retainer rings 28 are included, the retainer ring 28 is sheathed on the periphery of the internal rotor set 23 and is used for the internal layer magnetic sheet 24 Both ends are fixed to the internal rotor and cover 23 outer surfaces, and the both ends of internal layer magnetic sheet 24 are fixed to internal rotor set by a pair of retainer rings 28 23, that is, the fixation of internal layer magnetic sheet 24 is realized, can be in retainer ring 28 and internal layer magnetic sheet 24 and interior turn in order to strengthen fixed effect Standby glue between sub-set 23.In other embodiments, internal layer magnetic sheet 24 directly can also be fixed to internal rotor by way of viscose glue Set 23, cancel the structure of retainer ring 28.
The fixed form that outer layer magnetic sheet 26 and outer rotor are covered between 25 inner surfaces can be fixed by way of viscose glue, also may be used By by outer layer magnetic sheet 26 and outer rotor set 25 it is close-fitting in a manner of, i.e., the diameter of outer layer magnetic sheet 26 slightly larger than outer rotor set 25 Internal diameter, by outer layer magnetic sheet 26 be pressed into outer rotor set 25 in so that the two is seamlessly brought into close contact.
In a kind of embodiment, the multiple outer magnetic stripe 262 is interconnected to form the outer layer magnetic sheet 26 independently of one another, that The manufacturing cost of this independent outer magnetic stripe 262 is high in machining efficiency than relatively low, outer magnetic stripe 262 first can be connected into outer layer magnetic sheet 26, then outer layer magnetic sheet 26 is fixed to outer rotor set 25, outer magnetic stripe 262 directly can also be fixed to table in outer rotor set 25 Face, cover 25 inner surfaces in outer rotor and form outer layer magnetic sheet 26.Specific connected mode can be connected by way of viscose glue, also may be used In a manner of by other physical connections, such as one fixed mount of increase, fixed mount include the groove of the outer magnetic stripe 262 of multiple collectings Position, outer magnetic stripe 262 is caught in inside corresponding groove position, to form outer layer magnetic sheet 26.
In another embodiment, the outer layer magnetic sheet 26 is integral type structure, is formed by way of magnetizing described more Individual outer magnetic stripe 262, the Stability Analysis of Structures of the outer layer magnetic sheet 26 of integral type, is easily installed.
Please refer to Fig. 6, the stator core 12 includes multiple ring-shaped silicon steel sheets, and the multiple silicon steel sheet is mutually folded Pressure so that the stator core 12 is in straight tube shape, and the inner surface of the stator core 12 and outer surface are the smooth face of cylinder, The winding 14 along the stator core 12 circumferencial direction distribution, and be wound in the stator core 12 surfaces externally and internally and Both ends of the surface, magnetic direction caused by the winding 14 be the ring-shaped silicon steel sheet tangential direction, ring-shaped silicon steel sheet it is tangential Direction is just perpendicular to the direction of the radius of annular silicon silicon steel sheet, is exactly the extension of the internal circumferential of stator core 12 as shown in Figure 10 Tangential magnetic field direction.Because stator core 12 uses silicon steel sheet, silicon steel sheet will not be magnetized, and not have remaining remanent magnetism, because This can suppress the surface eddy of stator core 12 and be lost, and the magnetic line of force inside stator core 12 and the side of rotation of fan electromotor 200 To consistent, eddy-current loss is not produced.So the iron loss of fan electromotor 200 of the present invention compared with conventional motors, numerically have big Width declines, and is to axially extend in the winding 14 (i.e. coil) of the surfaces externally and internally of stator core 12, in fan electromotor 200 During motion, the equal perpendicular cuts magnetic line of force of winding 14 of the surfaces externally and internally of stator core 12, the magnetic field force induced all tangent lines of institute Direction, it is completely used for producing the torque of winding 14, without other component.
Please refer to Figure 11, in a kind of embodiment, the winding 14 is three-phase windings, including U phase windings, V phases around Group and W phase windings, and circumference of the three along the stator core 12 is uniformly distributed by 120 degree of electrical angles.The U phase windings, institute State V phase windings and the W phase windings form three-phase absolute coil winding, or the U phase windings, the V phase windings and the W The midpoint of phase winding is connected to form Y type connected modes, and wye connection refers to that three-phase windings respectively have a common port to connect together, separately Outer one end connection control circuit, similar " Y " word.
The stator module 10 also includes being individually fixed in the both ends of the surface of the stator core 12 and upper end in a ring Plate 15 and bottom plate 16, the upper head plate 15 set the upper winding slot 152 of multiple spaced settings, and the bottom plate 16 sets multiple The lower winding slot 162 of spaced setting, the winding 14 for winding the stator core 12 pass through the multiple upper winding slot 152 and the multiple lower winding slot 162.During making stator module 10, first upper head plate 15 and bottom plate 16 are fixed to Two end faces of stator core 12, then the winding 14 is wound, upper winding slot 152 is consistent with the lower quantity of winding slot 162 and keeps One-to-one relation, projection phase of the upper winding slot 152 with lower winding slot 162 in the plane perpendicular to the stator core 12 Mutually overlap, during winding the winding 14, between being wound by upper winding slot 152 and lower winding slot 162 progress winding 14 Every and positioning.
Please refer to Figure 11, (a) figure in Figure 11 show the signal that U phase windings are only wound with stator core 12 Scheme, (b) figure in Figure 11 show the U phase windings, the V phase windings and the W phase windings and is distributed on stator core 12 Schematic diagram.Specifically, the tool of the U phase windings, the V phase windings and the W phase windings on the stator core 12 The canoe of body is:First U phase windings are wrapped on stator core 12, surfaces externally and internally of the U phase windings in stator core 12 Coil in axial direction extends, and is respectively wound around winding slot 152 in the both ends of stator core 12, the coil of U phase windings Be separated by two upper and lower winding slots 152,162 in lower winding slot 162, and between the coil of adjacent U phase windings, i.e. U phases around Group is wound in a manner of across two grooves.The canoe of the V phase windings and the W phase windings is identical with the U phase windings, and Wound in a manner of across two grooves, the coil of V phase windings and the coil of W phase windings are sequentially arranged on the coil of adjacent U phase windings Between.It is as follows to illustrate Winding theory of the winding of the present invention in upper winding slot 152, upper winding slot 152 is sequentially numbered is First groove, the second groove, the 3rd groove ..., after U phase windings wind the first groove, across second and third groove, then continuous winding the 4th Groove, the 7th groove, the tenth groove ..., V phase windings are wound since the second groove, across the three, the 4th grooves, then continuous winding the 5th Groove, the 8th groove, the 11st groove ..., W phase windings are wound since the 3rd groove, across the four, the 5th grooves, then continuous winding Six grooves, the 9th groove, the 12nd groove ....The canoe of winding 14 of the present invention is not limited to above-mentioned form.
The stator module 10 also includes iron core base 17 and stator seat 18, the iron core base 17 in a ring, the bottom plate 16 are fixedly connected with the iron core base 17, and the fixed form between the bottom plate 16 and the iron core base 17 can be consolidated for viscose glue Determine, screw is fixed, buckle structure is fixed.The stator seat 18 includes fixed charge method end plate 182 and connecting cylinder 184, the fixing end Plate 182 is based in the periphery of one end of the connecting cylinder 184, and in present embodiment, connecting cylinder 184 passes through with fixed charge method end plate 182 It is integrally formed to form integral structure, in other embodiment, separate structure can also be arranged to, then the two is assembled It is fixed.The iron core base 17 is sheathed on the periphery of the connecting cylinder 184 together with the stator core 12 for winding the winding 14, And the iron core base 17 is fixedly attached to the fixed charge method end plate 182, in present embodiment, iron core base 17 conforms to the fixing end The surface of plate 182, and through fixed charge method end plate 182 and secured to by screw in iron core base 17.The internal layer magnetic sheet 24 houses Between the stator core 12 and the connecting cylinder 184, the rotor axis of electric 22 stretches into the connecting cylinder 184 and the company of rotation It is connected to the connecting cylinder 184.Specifically, internal layer magnetic sheet 24 is fixed to the outer of the internal rotor set 23 by a pair of retainer rings 28 Surface, triplicity is integral, and internal rotor set 23 is contained in stator core 12 with being connected together with internal layer magnetic sheet 24 and retainer ring 28 Between cylinder 184, and gap is left between the inner surface and connecting cylinder 184 of internal rotor set 23, internal rotor covers 23 inner surfaces and company Gap mainly prevents from interfering when rotor from operating between connect cylinder 184.The inner surface of internal layer magnetic sheet 24 and stator core 12 it Between also leave gap, the gap of internal layer magnetic sheet 24 and the inner surface of stator core 12 is mainly to ensure that the space of coil windings 14, And reserved certain interval prevents operating from interfering.
The fan electromotor 200 of the present invention is also included located at the axle between the rotor axis of electric 22 and the stator module 10 Bearing assembly 30, the stator module 10 is rotatablely connected to the rotor axis of electric 22 by the bearing assembly 30, please simultaneously Refering to Fig. 8, the bearing assembly 30 includes coaxial isometric internal magnetic ring 32 and outer magnetic ring 34, and the internal magnetic ring 32 is fixedly attached to The rotor axis of electric 22, the outer magnetic ring 34 are fixedly attached to the stator module 10, and the outer magnetic ring 34 with it is described interior It is stacked and axially aligns inside and outside magnet ring 32, working clearance G is provided between the internal magnetic ring 32 and the outer magnetic ring 34.Work Clearance G mainly determines according to assembling, spare part machining accuracy, as small as possible in the case of ensuring not interfere.The axle of the present invention The internal magnetic ring 32 and outer magnetic ring 34 of bearing assembly 30 complement each other to form axial permanent magnetic ripple magnetic suspension bearing, internal magnetic ring 32 and outer magnetic ring 34 axially align the restoring force of the state that tends towards stability vertically of generation, the restoring force axially aligned can autobalance, fan During motor 200 works, axial blast is produced, magnetic suspension bearing can overcome axial blast, be in bearing assembly 30 Light Condition so that fan electromotor 200 moves the state for reaching stable, when inside and outside magnet ring 34 by external force due to being occurred axially During skew, fan electromotor 200 is offset from each other by mutual magnetic field force, counteracting between inside and outside magnet ring 34.
The quantity of the internal magnetic ring 32 is multiple and coaxially overlapped that the quantity of the outer magnetic ring 34 is multiple and coaxial Overlap, and each internal magnetic ring 32 and each outer magnetic ring 34 are axial charging, as shown in figure 9, in same The opposite polarity of the both ends of the surface of magnet ring 32, the polarity of the both ends of the surface of same outer magnetic ring 34 is also on the contrary, adjacent two are described interior The end face polarity being bonded to each other of magnet ring 32 is identical, the end face polarity being bonded to each other of two adjacent outer magnetic rings 34 also phase Together, on same radial direction, the opposite polarity of the corresponding internal magnetic ring 32 and the outer magnetic ring 34.The internal magnetic ring 32 It is identical with the closed assembly mode of the outer magnetic ring 34, but order is on the contrary, as shown in figure 8, in Fig. 8 inside internal magnetic ring 32 and outer magnetic ring 34 The direction of arrow be its internal magnetic direction.
The bearing assembly 30 also includes fixed cover 36 and locating ring 38, and the fixed cover 36 is sheathed on the rotor Axle 22 and it is fixedly connected with the rotor axis of electric 22, one end of the fixed cover 36 projects baffle ring 362, institute along radial direction State internal magnetic ring 32 to be sheathed on the fixed cover 36 and be fixedly connected with the fixed cover 36, the locating ring 38 is sheathed on described solid Surely one end away from the baffle ring 362 of set 36, the locating ring 38 are respectively limited by the internal magnetic ring 32 with the baffle ring 362 Both ends.
The bearing assembly 30 also includes a pair of mechanical bearings 39, described to be sheathed on the rotor to mechanical bearing 39 Axle 22, and it is located at the both sides of the fixed cover 36 respectively, that is to say, that in the axial direction, fixed cover 36 and internal magnetic ring 32 In described between mechanical bearing 39.It is described that the rotor axis of electric 22 and the stator module 10 are installed on to mechanical bearing 39 Between, to realize rotating shaft connection and the radial positioning between the rotor axis of electric 22 and the stator module 10.
The bearing assembly 30 also includes a pair of bearings set 37 and a pair of elastic washers 372, described that bearing holder (housing, cover) 37 is distinguished Located at described between mechanical bearing 39 and the stator module 10, it is described elastic washer 372 is located in respectively it is described to axle Bearing sleeve 37 and described between mechanical bearing 39.It is described that elastic washer 372 is used to carry out the vibration damping of mechanical bearing 39, improve machinery The reliability of bearing 39 acts on.In present embodiment, described is 1~5mm to the thickness of elastic washer 372.
Specifically, the rotor axis of electric 22 is contained in the connection of the stator module 10 together with the bearing assembly 30 Cylinder 184 inside, and it is described bearing holder (housing, cover) 37 is fixedly connected with the inwall of connecting cylinder 184, one of them described bearing holder (housing, cover) 37 It is located at the connecting cylinder close to one end of the fixed charge method end plate 182, another described bearing holder (housing, cover) 37 in the connecting cylinder 184 The opening of 184 one end away from the fixed charge method end plate 182.
The bearing holder (housing, cover) 37 and the connection positioned at one end of the close fixed charge method end plate 182 of the connecting cylinder 184 Cylinder 184 is integral type structure, that is to say, that designs the structure of bearing holder (housing, cover) 37 in the inner surface of connecting cylinder 184, has bearing holder (housing, cover) 37 function, during installation, directly elastic washer 372 and one of mechanical bearing 39 are arranged on and are integrally formed at connecting cylinder In the bearing holder (housing, cover) 37 of 184 inner surfaces, the cost of a bearing holder (housing, cover) 37, while ease of assembly have been saved, has saved man-hour.Positioned at described The bearing holder (housing, cover) 37 of the opening of connecting cylinder 184 is removably fixed on the connecting cylinder 184, can be by close-fitting Mode is fixed, can also viscose glue fix, certainly positioned at the connecting cylinder 184 opening the bearing holder (housing, cover) 37 can also with even Connect cylinder 184 is formed integrally formula structure.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as Protection scope of the present invention.

Claims (15)

1. a kind of fan electromotor, including stator assembly and rotor assembly, the stator module includes the stator core that volume sets winding, The rotor assembly includes rotor axis of electric, and the stator module is rotationally connected with the rotor axis of electric, it is characterised in that institute Stating rotor assembly also includes tubular internal layer magnetic sheet and outer layer magnetic sheet, and the internal layer magnetic sheet and the outer layer magnetic sheet are coaxial, And the outer layer magnetic sheet is set in outside the internal layer magnetic sheet, the rotor axis of electric is located at the axle center of the internal layer magnetic sheet, The internal layer magnetic sheet includes multiple axially extending and circumferentially distributed interior magnetic stripe, the polarity per two adjacent interior magnetic stripes On the contrary, the outer layer magnetic sheet includes multiple axially extending and circumferentially distributed outer magnetic stripe, per two adjacent outer magnetic stripes Opposite polarity, homopolarity is relative in radial directions with the internal layer magnetic sheet for the outer layer magnetic sheet, and the stator module also includes solid Due to the bottom plate, iron core base and stator seat of the end of the stator core, the iron core base in a ring, the bottom plate and institute State iron core base to be fixedly connected, the stator seat includes fixed charge method end plate and connecting cylinder, and the fixed charge method end plate is based in the connecting cylinder One end periphery, the iron core base is sheathed on the periphery of the connecting cylinder together with the stator core for winding the winding, And the iron core base is fixedly attached to the fixed charge method end plate, the internal layer magnetic sheet is contained in the stator core and the connecting cylinder Between, the rotor axis of electric stretches into the connecting cylinder and is rotationally connected with the connecting cylinder;The stator core is located at described Between internal layer magnetic sheet and the outer layer magnetic sheet, and the stator core is in straight-tube shape, the internal layer magnetic sheet and the outer layer magnetic sheet The caused magnetic line of force is vertically into the stator core, and the magnetic line of force in the stator core is formed along the stator The tangential magnetic field of iron core circumferentially extending.
2. fan electromotor as claimed in claim 1, it is characterised in that the rotor assembly also includes the outer rotor being coaxially disposed Set and internal rotor set, the outer rotor set are set in the outside of internal rotor set, the outer rotor set include the first mounting cylinder, First fixing end and the first openend, first fixing end are located at an end face of first mounting cylinder, and described first opens Mouthful end is located at another end face of first mounting cylinder, and the internal rotor set includes the second mounting cylinder, the second fixing end and the Two openends, second fixing end are located at an end face of second mounting cylinder, and second openend is located at described the Another end face of two mounting cylinders, second fixing end are fixedly connected on first fixing end, and the outer layer magnetic sheet is fixed In the inner surface of first mounting cylinder, the internal layer magnetic sheet is fixed on the outer surface of second mounting cylinder, and the motor turns One end of sub- axle is fixedly attached to first fixing end, and the other end of the rotor axis of electric is located at the institute of internal rotor set State at the second openend.
3. fan electromotor as claimed in claim 2, it is characterised in that the rotor assembly also includes a pair of retainer rings, described Fixing shrink ring by the both ends of the internal layer magnetic sheet located at the periphery of internal rotor set and for being fixed to the internal rotor set The second installation tube outer surface.
4. fan electromotor as claimed in claim 1, it is characterised in that the multiple outer magnetic stripe is interconnected to form independently of one another The outer layer magnetic sheet.
5. fan electromotor as claimed in claim 1, it is characterised in that the outer layer magnetic sheet is integral type structure.
6. fan electromotor as claimed in claim 1, it is characterised in that the stator core includes multiple ring-shaped silicon steel sheets, institute State multiple silicon steel sheets mutually to laminate so that the stator core is in straight tube shape, circumference of the winding along the stator core Directional spreding, and the surfaces externally and internally and both ends of the surface of the stator core are wound in, magnetic direction caused by the winding is institute State the tangential direction of ring-shaped silicon steel sheet.
7. fan electromotor as claimed in claim 6, it is characterised in that the stator module is also described fixed including being individually fixed in The both ends of the surface of sub- iron core and upper head plate in a ring, the upper head plate sets the upper winding slot of multiple spaced settings, described Bottom plate sets the lower winding slot of multiple spaced settings, wind the winding of the stator core by the multiple around Wire casing and the multiple lower winding slot.
8. fan electromotor as claimed in claim 1, it is characterised in that also include located at the rotor axis of electric and the stator Bearing assembly between component, the stator module is rotatablely connected to the rotor axis of electric, institute by the bearing assembly Stating bearing assembly includes coaxial isometric internal magnetic ring and outer magnetic ring, and the internal magnetic ring is fixedly attached to the rotor axis of electric, institute State outer magnetic ring and be fixedly attached to the stator module, and the outer magnetic ring inside and outside the internal magnetic ring with being stacked and axially right Together, the working clearance is provided between the internal magnetic ring and the outer magnetic ring.
9. fan electromotor as claimed in claim 8, it is characterised in that the bearing assembly also includes fixed cover and locating ring, The fixed cover is sheathed on the rotor axis of electric and is fixedly connected with the rotor axis of electric, one end of the fixed cover along Radial direction projects baffle ring, and the internal magnetic ring is sheathed on the fixed cover and is fixedly connected with the fixed cover, the locating ring One end away from the baffle ring of the fixed cover is sheathed on, the locating ring is respectively limited by the internal magnetic ring with the baffle ring Both ends.
10. fan electromotor as claimed in claim 9, it is characterised in that the bearing assembly also includes a pair of mechanical bearings, institute State and the rotor axis of electric is sheathed on to mechanical bearing, and be located at the both sides of the fixed cover respectively, it is described that mechanical bearing is pacified Loaded between the rotor axis of electric and the stator module, to realize between the rotor axis of electric and the stator module Rotating shaft connection and radial positioning.
11. fan electromotor as claimed in claim 10, it is characterised in that the bearing assembly also includes a pair of bearings set and one To elastic washer, it is described bearing holder (housing, cover) is respectively arranged on it is described between mechanical bearing and the stator module, it is described to cushion Circle is located in described to bearing holder (housing, cover) and described between mechanical bearing respectively.
12. fan electromotor as claimed in claim 11, it is characterised in that the stator module also includes stator seat, described fixed Stroma includes fixed charge method end plate and connecting cylinder, and the fixed charge method end plate is based in the periphery of one end of the connecting cylinder, volume set it is described around The stator core of group is sheathed on the connecting cylinder periphery and is fixed on the fixed charge method end plate, and the rotor axis of electric is together with institute Bearing assembly is stated to be contained in inside the connecting cylinder, and it is described bearing holder (housing, cover) is fixedly connected with the connecting cylinder inwall, wherein one The individual bearing holder (housing, cover) is located at one end of the close fixed charge method end plate of the connecting cylinder, and another described bearing holder (housing, cover) is located at the company One end away from the fixed charge method end plate of connect cylinder.
13. fan electromotor as claimed in claim 12, it is characterised in that positioned at the connecting cylinder close to the fixed charge method end plate The bearing holder (housing, cover) and the connecting cylinder of one end be integral type structure;Positioned at the bearing holder (housing, cover) of the opening of the connecting cylinder Removably it is fixed on the connecting cylinder.
14. fan electromotor as claimed in claim 8, it is characterised in that the quantity of the internal magnetic ring is multiple and coaxial overlapping Set, the quantity of the outer magnetic ring is multiple and coaxially overlapped, and each internal magnetic ring and each outer magnetic ring are equal For axial charging, the opposite polarity of the both ends of the surface of same internal magnetic ring, the polarity of the both ends of the surface of same outer magnetic ring is also on the contrary, phase The end face polarity being bonded to each other of two adjacent internal magnetic rings is identical, the end being bonded to each other of two adjacent outer magnetic rings Face polarity is also identical, the opposite polarity of the corresponding internal magnetic ring and the outer magnetic ring on same radial direction.
15. a kind of fan, including blade, it is characterised in that the fan also include be used for drive the blade as right will The fan electromotor described in 1-14 any one is sought, the blade is set in the periphery of the rotor assembly of the fan electromotor.
CN201410219836.0A 2014-05-22 2014-05-22 Fan electromotor and fan Active CN105099108B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410219836.0A CN105099108B (en) 2014-05-22 2014-05-22 Fan electromotor and fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410219836.0A CN105099108B (en) 2014-05-22 2014-05-22 Fan electromotor and fan

Publications (2)

Publication Number Publication Date
CN105099108A CN105099108A (en) 2015-11-25
CN105099108B true CN105099108B (en) 2017-11-17

Family

ID=54578911

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410219836.0A Active CN105099108B (en) 2014-05-22 2014-05-22 Fan electromotor and fan

Country Status (1)

Country Link
CN (1) CN105099108B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109155563A (en) * 2017-12-29 2019-01-04 深圳市大疆创新科技有限公司 Motor and its manufacturing method, power suit and unmanned vehicle
CN108696036A (en) * 2018-06-27 2018-10-23 深圳市道通智能航空技术有限公司 A kind of motor, power plant and unmanned vehicle
CN109944819A (en) * 2019-04-17 2019-06-28 深圳市赫瑞科技有限公司 A kind of anticorrosion fan
CN110224518A (en) * 2019-07-16 2019-09-10 宋振明 A kind of fan motor and centrifugal blower

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1879283A1 (en) * 2006-04-20 2008-01-16 Matsushita Electric Industrial Co., Ltd. Motor
CN101956760A (en) * 2009-07-20 2011-01-26 唐建一 Magnetic suspension bearing for horizontal axis wind driven generator
CN102025238A (en) * 2010-11-05 2011-04-20 中国船舶重工集团公司第七0七研究所 Novel limited rotating angle direct-current moment motor
CN102290936A (en) * 2011-08-11 2011-12-21 国电联合动力技术有限公司 Large double-rotor permanent magnet generator directly driven by wind and generating set consisting of same
CN102943811A (en) * 2012-11-19 2013-02-27 上海大学 Industrial application type radial permanent magnet suspension bearing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1879283A1 (en) * 2006-04-20 2008-01-16 Matsushita Electric Industrial Co., Ltd. Motor
CN101956760A (en) * 2009-07-20 2011-01-26 唐建一 Magnetic suspension bearing for horizontal axis wind driven generator
CN102025238A (en) * 2010-11-05 2011-04-20 中国船舶重工集团公司第七0七研究所 Novel limited rotating angle direct-current moment motor
CN102290936A (en) * 2011-08-11 2011-12-21 国电联合动力技术有限公司 Large double-rotor permanent magnet generator directly driven by wind and generating set consisting of same
CN102943811A (en) * 2012-11-19 2013-02-27 上海大学 Industrial application type radial permanent magnet suspension bearing

Also Published As

Publication number Publication date
CN105099108A (en) 2015-11-25

Similar Documents

Publication Publication Date Title
CN105099108B (en) Fan electromotor and fan
CN102576216B (en) Keep the End cover for motor keeper that rotor-stator is concentric
US20140125153A1 (en) Ball Joint Universal Rotary Motor, a Manufacturing Method and a Working Mechanism Thereof
EP3235112B1 (en) Slotless brushless dc motor / actuator
US5204570A (en) Spheroidal machine
JP2009072009A (en) Permanent magnet rotating machine
CN107448474B (en) A kind of vehicle-mounted flying wheel battery five degree of freedom hybrid magnetic bearing
CN106487177B (en) Rotating electric machine
CN111884385A (en) Hollow cup brushless DC motor
US10491068B2 (en) Motor using complex magnetic flux
CN106487140B (en) Rotating electric machine
KR20190031241A (en) 2-axis integrated type motor
WO2015027939A1 (en) Ball joint universal rotary motor, manufacturing method and working mechanism thereof
RU2587311C1 (en) Radial magnetic bearing with separate sheet in tangential direction
US10714990B2 (en) Rotating electrical machine and robot device
US4754183A (en) Stepping or reversible motor
KR101382599B1 (en) Dual-rotor motor
KR20230112740A (en) System and apparatus for axial field rotary energy device
CN108683315A (en) Pawl pole disc type asynchronous motor
WO2020161989A1 (en) Electric tool and motor
CN107947514B (en) A kind of flat limited angle torque motor
KR101706544B1 (en) Air-core coil winding for HVAC blower
CN203104142U (en) Stator core for motor
CN113783320A (en) Stator and servo motor comprising same
JP4745416B2 (en) Hybrid permanent magnet rotating electric machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant