CN1274979A - Outer-rotor motor with high efficiency, high torque and powerful support - Google Patents
Outer-rotor motor with high efficiency, high torque and powerful support Download PDFInfo
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- CN1274979A CN1274979A CN 99107344 CN99107344A CN1274979A CN 1274979 A CN1274979 A CN 1274979A CN 99107344 CN99107344 CN 99107344 CN 99107344 A CN99107344 A CN 99107344A CN 1274979 A CN1274979 A CN 1274979A
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Abstract
The outer-rotor motor of the present invention has an insulated winding seat designed into linear structure and an inner stator magnetic conductor designed into separate structure; the winding seat is bent and embedded into the positioning groove around the stator magnetic conductor; and one end cap screwed to inner stator seat holds the stator magnetic conductor and the positioning groove. It has firm integral inner stator structure, maximum exciting winding density and winding groove utilization, high current density in exciting winding, maximum magnetic flux density and thus high operation efficiency and torque.
Description
The present invention relates to the external-rotor motor in a kind of electricity field motor, particularly relate to a kind of high efficiency, high torsion, the high external-rotor motor (the 7th case) that supports, its be at the outer-rotor type motor when the internal stator wire casing twines magnetizing coil, because of its internal stator is caused the coiling difficulty to cause the magnetizing coil wire casing to account for long-pending not enough problem with the structure of traditional integrate shaped type, and provide a kind of high efficiency, high torsion, the high external-rotor motor (the 7th case) that supports.
The magnetizing coil of the internal stator of existing external-rotor motor is to twine between each wire casing of yoke (shown in annex 1) and since the obstruction of yoke wire casing arrival end cause coiling can't around dense, so its output torque can't be done the most effective raising.In addition, cause coiling inconvenience because of all restrictions of yoke wire casing arrival end, the production cost height.
In order to solve aforesaid problem, the inventor has successively applied for that to Patent Office of the People's Republic of China application number is 99106191.8 on May 4th, 1999, denomination of invention is " high efficiency; high torsion; the high external-rotor motor that supports " (the 5th case), applied for that to Patent Office of the People's Republic of China application number is 99106192.6 on May 4th, 1999 again, denomination of invention is " high efficiency; high torsion; the high external-rotor motor that supports " (the 6th case), wherein a plurality of " the arcuation T shape magnetic conductor 27b and the insulation wire casing seats 43 " of the 5th case all are independent separate, a plurality of " the arcuation T magnetic conductor 27b " of the 6th case then are by being that company headquarters 42 links to each other, its each have their own characteristics, therefore each have their own applicable situation.
Because above-mentioned existing outer-rotor type motor is when the internal stator yoke twines magnetizing coil, because of its internal stator is caused the coiling difficulty to cause magnetizing coil to account for long-pending not enough problem with the structure of traditional integrate shaped type, and at the deficiency of aforesaid the 5th case and the 6th case, the inventor is based on abundant practical experience and professional knowledge, actively studied innovation, through constantly research, design, and after studying sample and improvement repeatedly, create high efficiency of the present invention, high torsion, the high external-rotor motor (the 7th case) that supports finally.
Main purpose of the present invention is, overcome above-mentioned existing outer-rotor type motor when the internal stator yoke twines magnetizing coil, because of its internal stator is caused the coiling difficulty to cause magnetizing coil to account for long-pending not enough problem with the structure of traditional integrate shaped type, and the deficiency of aforementioned the 5th case and the 6th case, and provide a kind of high efficiency, high torsion, the high external-rotor motor that supports, make it can be under the state of " linking to each other in line " by the insulation wire casing seat that links to each other in line, in advance magnetizing coil is wrapped in earlier in the wire casing of insulation wire casing seat separately, so magnetizing coil can be wrapped in " the denselyst " winding section of internal stator tooth portion magnetic conductor indirectly, to reach internal stator magnetizing coil " maximum wire casing fill-in ratio ", and then can improve the current flowing density of magnetizing coil effectively, to pursue maximum electromagnetism flux density, final purpose can be reached the highest running efficiency of external-rotor motor and running torsion.
Of the present invention time a purpose is, a kind of high efficiency is provided, high torsion, the high external-rotor motor that supports, making it is by means of being company headquarters's one connection by a plurality of insulation wire casing seats, internal stator tooth portion magnetic conductor then is an independent separate separately, insert in the insulation wire casing seat during assembling more separately, therefore only need the insulation tank seat is bent to the circle shape, because insulation wire casing seat is a plastic cement material, " plasticity is splendid ", therefore it is that company headquarters is easy to be bent to the circle shape, crooked shaping is easier, more convenient, and can remedy the deficiency of above-mentioned the 5th case and the 6th case, and can reach more complete, more perfect condition.
Another object of the present invention is to, a kind of high efficiency, high torsion, the high external-rotor motor that supports are provided, make it can be under the state of " linking to each other in line " by the insulation wire casing seat that links to each other in line, in advance magnetizing coil is wrapped in earlier in the wire casing of insulation wire casing seat separately, again being set with insulated wire groove seat and inlaying groove around the terminal outer peripheral edges that embed the stator core magnetic conductor of each internal stator tooth portion magnetic conductor of magnetizing coil, and have not only coiling conveniently, and effect rapidly easy to assembly.
A further object of the present invention is, a kind of high efficiency, high torsion, the high external-rotor motor that supports are provided, inner stator after making its internal stator tooth portion magnetic conductor be inlaid into stator core magnetic conductor combination to finish is compeled to lock in the center bolt hole of internal stator pedestal newel positioning end end and is fixed in the internal stator pedestal by a support bolt and end plate.Or borrow support bolt and end plate compel to lock in internal stator pedestal newel positioning end the bottom outer peripheral edges the set screw hole and be fixed in the internal stator pedestal.Therefore can be to the stator core magnetic conductor, internal stator tooth portion magnetic conductor is bestowed " axially " locking effect, make the stator core magnetic conductor, internal stator tooth portion magnetic conductor is fixed in internal stator pedestal newel positioning end outer rim fully securely, reach more strong fixed effect, can thoroughly solve between internal stator and the external rotor because of armature effect or vibratory impulse, and cause the stator core magnetic conductor, mobile transposition between the internal stator tooth portion magnetic conductor and cause magnetic field variation and chaotic phenomenon makes the stator core magnetic conductor, a plural number internal stator tooth portion magnetic conductor can firmly and accurately be made the armature effect with external rotor all the time.
Another purpose of the present invention is, a kind of high efficiency, high torsion, the high external-rotor motor that supports are provided, make its insulation wire casing seat can after the winding magnetizing coil is finished, penetrate the winding section of internal stator tooth portion magnetic conductor again, make between magnetizing coil and the internal stator tooth portion magnetic conductor and set up high pressure resistant insulation, make external-rotor motor can import higher voltage, and can guarantee the voltage endurance of motor.
The objective of the invention is to realize by following technical scheme.The external-rotor motor that a kind of high efficiency, high torsion, the height that proposes according to the present invention supports, be provided with external rotor, external rotor base supports bearing and rotating shaft spring bearing, it is characterized in that it mainly comprises internal stator pedestal and inner stator, wherein: this internal stator pedestal, be provided with the internal stator pedestal newel positioning end of corresponding axle center of motor, this internal stator pedestal newel positioning end is the axial centre circle corresponding to inner stator, with the usefulness that engages as the inner stator location; This inner stator, be set in the newel positioning end of internal stator pedestal, this inner stator comprises stator core magnetic conductor, annular stator tooth portion integrate body, end plate and bolt, wherein: this stator core magnetic conductor, its axial centre circle is the urgent newel positioning end that is set in the internal stator pedestal, and the outer peripheral edge of this stator core magnetic conductor is provided with the groove that inlays of a plurality of arrangements radially; This annular stator tooth portion integrate body, it comprises the internal stator tooth portion's magnetic conductor and the insulation wire casing seat of a plural number independent separate, wherein: this internal stator tooth portion magnetic conductor, the cross section of its each internal stator tooth portion magnetic conductor is arcuation T type, this internal stator tooth portion magnetic conductor has the winding section, the then corresponding above-mentioned groove that inlays of end is inlayed combination with the location as both; This insulation wire casing seat, in these insulation wire casing seats, be that company headquarters is whole continuous for being provided with between any two insulation wire casing seats adjacent one another are, these insulation wire casing seats before shaping not for being linear chain formula spread geometry always, it finally can borrow these is that company headquarters's bending is converted into an inwardly equidistant annular solid of arranging, each wire casing seat that only insulate is provided with perforation, winding section for internal stator tooth portion magnetic conductor wears, this insulation wire casing seat is for being wound in its wire casing for magnetizing coil, with excitatory effect as magnetic conduction, the insulation wire casing seat that this insulation wire casing seat is a high pressure resistant insulation; The above-mentioned insulation wire casing seat of linear chain formula spread geometry always that is, finish on its wire casing and be provided with the winding magnetizing coil, and borrow is that company headquarters can tortuous easily shaping, form an annular stator tooth portion integrate body, the end that is set in each internal stator tooth portion magnetic conductor wherein is the groove that inlays corresponding to the stator core magnetic conductor, and inwardly equidistant inlaying simultaneously be fixed in the inlaying in the groove of stator core magnetic conductor with arranging, and the end of each internal stator tooth portion magnetic conductor inlays in the stator core magnetic conductor axially inlays the groove of groove for conflicting; This end plate, the stator core magnetic conductor outer peripheral edges that are pressed on the inner stator that aforementioned combination finishes are inlayed the end face of groove; This bolt, the inner stator that aforementioned end plate and aforementioned combination are finished is locked in the internal stator pedestal, to keep firm between internal stator pedestal, annular stator tooth portion's integrate body and the stator core magnetic conductor; By insulation wire casing seat, by before the shaping not in line the chain type spread geometry just, can twine magnetizing coil in the mode of integral body coiling at insulation wire casing seat the denselyst, and can reach the wire casing fill-in ratio of internal stator magnetizing coil maximum, and then improve the current flowing density of magnetizing coil effectively, to pursue maximum electromagnetism flux density, finally can reach the highest running efficiency of external-rotor motor and running torsion.
Purpose of the present invention can also further realize by following technical measures.
Aforesaid high efficiency, high torsion, the high external-rotor motor that supports, annular stator tooth portion integrate body after wherein said these shapings is that integral body is inlayed simultaneously into the stator core magnetic conductor, after finishing, combination forms an inner stator, end face wherein is by being provided with a support bolt and end plate, compel to lock in the center bolt hole of internal stator pedestal newel positioning end end, and be fixed in the internal stator pedestal.
Aforesaid high efficiency, high torsion, the high external-rotor motor that supports, annular stator tooth portion integrate body after wherein said these shapings is that integral body is inlayed simultaneously into the stator core magnetic conductor, after finishing, combination forms an inner stator, end face wherein is by being provided with several support bolts and end plate, compel to lock in the set screw hole of the outer peripheral edges of internal stator pedestal newel positioning end bottom, and be fixed in the internal stator pedestal.
Aforesaid high efficiency, high torsion, the high external-rotor motor that supports, wherein said stator core magnetic conductor inlay groove be provided with in slot part and be communicated in this slot part and width should in the little outer slot part of slot part width, inlay portion to form one, the end of internal stator tooth portion magnetic conductor is then for corresponding to the above-mentioned portion of inlaying shape of inlaying groove, for inlaying in wherein.
Aforesaid high efficiency, high torsion, the high external-rotor motor that supports, wherein said stator core magnetic conductor and internal stator tooth portion magnetic conductor are can silicon steel sheet (yoke) punch forming, stack moulding piecewise again.
Aforesaid high efficiency, high torsion, the high external-rotor motor that supports, wherein said stator core magnetic conductor and internal stator tooth portion magnetic conductor are can magnetic mixing plastic cement, injection moulding again.
Aforesaid high efficiency, high torsion, the high external-rotor motor that supports, wherein said stator core magnetic conductor and internal stator tooth portion magnetic conductor are that magnetic is through powder metallurgy forming.
Aforesaid high efficiency, high torsion, the high external-rotor motor that supports, wherein said stator core magnetic conductor and internal stator tooth portion magnetic conductor be can the magnetic powder through injection moulding.
Aforesaid high efficiency, high torsion, the high external-rotor motor that supports, the wherein said insulation wire casing seat that is the straight line chain type spread geometry of a fasten, can wear magnetic conductor earlier into internal stator tooth portion, be provided with whole winding of magnetizing coil again, and can to wait whereby be that company headquarters's bending is converted into an inwardly equidistant annular solid of arranging.
Aforesaid high efficiency, high torsion, the high external-rotor motor that supports, the wherein said insulation wire casing seat that is the straight line chain type spread geometry of a fasten, can wholely earlier twine magnetizing coil, wear setting with internal stator tooth portion magnetic conductor winding section again, what finally wait insulation wire casing seat whereby is the inwardly equidistant annular solid of arranging of the tortuous one-tenth one of company headquarters.
Aforesaid high efficiency, high torsion, the high external-rotor motor that supports, the wherein said insulation wire casing seat that is the straight line chain type spread geometry of a fasten, can wholely earlier twine magnetizing coil, after finishing again with insulation wire casing seat be that company headquarters's bending is converted into an inwardly equidistant annular solid of arranging, finally be set in the perforation of insulation wire casing seat with the winding section of internal stator tooth portion magnetic conductor again.
The present invention compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, The present invention be directed to the outer-rotor type motor when the internal stator wire casing twines magnetizing coil, because of its internal stator is to cause the coiling difficulty with existing traditional integrate shaped type structure, thereby cause having the magnetizing coil wire casing and account for long-pending not enough problem, and a kind of high efficiency, high torsion, the high external-rotor motor (the 7th case) that supports are provided, so the present invention has following design feature and effect:
1, the present invention can be under the state of " link to each other and be a straight line " by the insulation wire casing seat that links to each other in line, in advance magnetizing coil is wrapped in earlier in the wire casing of insulation wire casing seat separately, so magnetizing coil can be wrapped in " the denselyst " winding section of internal stator tooth portion magnetic conductor indirectly, can reach internal stator magnetizing coil " maximum wire casing fill-in ratio ", and then can improve the current flowing density of magnetizing coil effectively, to pursue maximum electromagnetism flux density, final purpose can be reached and make external-rotor motor have the highest running efficiency and running torsion.
2, because a plurality of insulation tank seats of the present invention are that to borrow be that company headquarters's one connects, internal stator tooth portion magnetic conductor then is an independent separate separately, inserts separately during assembling in the insulation wire casing seat again, therefore only needs insulation wire casing seat is bent to the circle shape.Because insulation wire casing seat is a plastic material, " plasticity is splendid ", therefore it is that company headquarters is easy to be bent to the circle shape, its crooked shaping is easier, more convenient, and can remedy aforementioned the 5th case (application number 99106191.8, high efficiency, high torsion, the high external-rotor motor that supports) and the deficiency of the 6th case (application number 99106192.6, high efficiency, high torsion, the high external-rotor motor that supports), and can reach more complete, more perfect condition.
3, the present invention is because be can be under the state of " linking to each other in line " by the insulation wire casing seat that links to each other in line, in advance magnetizing coil is wrapped in earlier in the wire casing of insulation wire casing seat separately, again being set with insulated wire groove seat and inlaying groove around the outer peripheral edges that each internal stator tooth portion magnetic conductor end of magnetizing coil is embedded in the stator core magnetic conductor, so it is convenient to have not only coiling, and effect rapidly easy to assembly.
4, internal stator tooth of the present invention portion magnetic conductor inlays the inner stator after the combination of stator core magnetic conductor is finished, compel to lock in by a support bolt and end plate internal stator pedestal newel positioning end end the center bolt hole and be fixed in the internal stator pedestal; Or compel to lock in by number support bolts and end plate internal stator pedestal newel positioning end the bottom outer peripheral edges the set screw hole and be fixed in the internal stator pedestal, therefore can be to the stator core magnetic conductor, internal stator tooth portion magnetic conductor is bestowed " axially " locking effect, make the stator core magnetic conductor, internal stator tooth portion magnetic conductor is fixed in the outer rim of internal stator pedestal newel positioning end fully securely, reach more strong fixed effect, can thoroughly solve between internal stator and the external rotor because of armature effect or vibratory impulse, and cause the stator core magnetic conductor, mobile transposition between the internal stator tooth portion magnetic conductor and cause magnetic field variation and chaotic phenomenon makes the stator core magnetic conductor, a plural number internal stator tooth portion magnetic conductor can firmly and accurately be made the armature effect with external rotor all the time.
5, insulation wire casing seat of the present invention can penetrate the winding section of internal stator tooth portion magnetic conductor again after the winding magnetizing coil is finished, make between magnetizing coil and the internal stator tooth portion magnetic conductor and can set up high pressure resistant insulation, make external-rotor motor can import higher voltage, and can guarantee the voltage endurance of motor.
In sum, high efficiency of the present invention, high torsion, the high external-rotor motor (the 7th case) that supports, it is the structure that insulation wire casing seat is designed to " linking to each other in line ", to make things convenient for magnetizing coil to be wrapped in the wire casing of insulation wire casing seat, and with internal stator tooth portion magnetic conductor design mix from independently the structure, then the insulation wire casing seat with the continuous state of straight line bends to an annular stator tooth portion integrate body, and the outer peripheral edges location notch of embedding stator core magnetic conductor, the outer peripheral edges and the location notch of stator core magnetic conductor again with the end plate gland, finally be locked in the internal stator pedestal with bolt, integrally-built firmly in the hope of inner stator, further magnetizing coil can also be wrapped in " the denselyst " winding section of the internal stator tooth portion magnetic conductor that is a fasten chain type spread geometry indirectly or directly, to reach internal stator magnetizing coil " maximum wire casing fill-in ratio ", and then can improve the current flowing density of magnetizing coil effectively, to pursue maximum electromagnetism flux density, final purpose can be reached and make external-rotor motor have the highest running efficiency and running torsion.No matter it structurally or bigger improvement is all arranged on the function, and produced handy and practical excellent results, and have the effect of enhancement really, thereby be suitable for practicality more, really is a new and innovative, progressive, practical new design.
Concrete structure of the present invention is provided in detail by following examples and accompanying drawing thereof.
Fig. 1 is the exploded perspective view that high efficiency of the present invention, high torsion, the high external-rotor motor (the 7th case) that supports and high efficiency, high torsion, the high external-rotor motor (the 3rd case) that supports are combined into first embodiment of the invention.
Fig. 2 is the schematic perspective view that relevant internal stator tooth portion's magnetic conductor and the insulation wire casing seat linear chain formula always of being launched into before unassembled crooked shaping is arranged in the first embodiment of the invention.
Fig. 3 is the front elevational schematic that relevant internal stator tooth portion's magnetic conductor and the insulation wire casing seat linear chain formula always of being launched into before unassembled crooked shaping is arranged in the first embodiment of the invention.
Fig. 4 is the partial enlarged drawing of A portion among Fig. 3.
Fig. 5 is the cross-sectional view that relevant internal stator tooth portion magnetic conductor becomes an annular stator tooth portion integrate body in the first embodiment of the invention in complications.
Fig. 6 is that the annular stator tooth portion integrate body about inner stator is about to and the preceding exploded perspective view of stator core magnetic conductor combination in the first embodiment of the invention.
Fig. 7 be in the first embodiment of the invention about the annular stator tooth portion integrate body of inner stator and the combining structure exploded perspective view after the combination of stator core magnetic conductor.
Fig. 8 is the combining structure stereoscopic figure of first embodiment of the invention.
Fig. 9 is the profile of B-B section among Fig. 8.
Figure 10 is the profile of C-C section among Fig. 9.
Figure 11 is the profile of D-D section among Fig. 9.
Figure 12 is the sectional arrangement drawing of second embodiment of the invention.
Below in conjunction with accompanying drawing and preferred embodiment, to high efficiency, high torsion, high its concrete structure of external-rotor motor (the 7th case), feature and the effect thereof that supports that foundation the present invention proposes, describe in detail as after.
In order can further to understand to the structure of the application's high efficiency, high torsion, the high external-rotor motor (the 7th case) that supports, the below high efficiency of at first applicant having been applied for applicant's company, high torsion, high external-rotor motor (the 3rd case that supports, application number is 99103170.9) the structure brief description as after, but it is not to be the feature of the patent application of high efficiency of the present invention, high torsion, the high external-rotor motor (the 7th case) that supports, only outline its structure at this, so that to the understanding of the application's (the 7th case).Please in conjunction with consulting Fig. 1, shown in Figure 9, above-mentioned high efficiency, high torsion, the high external-rotor motor (the 3rd case) that supports, it mainly comprises internal stator pedestal 26, external rotor 22, external rotor base supports bearing 23 and rotating shaft spring bearing 25, wherein:
This internal stator pedestal 26, be provided with the internal stator pedestal newel positioning end 36 of corresponding motor center, be the combination of joining with one heart with the internal stator centre bore 35 that above-mentioned inner stator 21 is provided, internal stator pedestal 26 and be provided with one with the concentric bearing positioning end 48 of axle center of motor (internal stator center).Internal stator pedestal 26 further is provided with lead perforation 33, and make the motor external energy via lead perforation 33 with the perforation that is electrically connected of the magnetizing coil 28 of internal stator or control system, for example electric wire 34 promptly enters the inside (as Fig. 9 to shown in Figure 11) of motor via lead perforation 33.
This external rotor 22, ladle cover is in the outer rim of inner stator 21, and with respect to inner stator 21 rotations, this external rotor 22 comprises external rotor pedestal 29, these external rotor pedestal 29 at least one ends are for being external rotor pedestal opening end 31, the inner edge of external rotor pedestal 29 provides that the armature magnetic conductor 30 that armature reaction is set is fixing to carry moving usefulness, and this armature magnetic conductor 30 is with respect to inner stator 21 and armature reaction ground magnetic conduction rotates.
This external rotor base supports bearing 23, be fixed in the bearing positioning end 48 of internal stator pedestal 26, and concentric socket is arranged at the openend 31 of external rotor pedestal 29, make external rotor pedestal 29 can be very firmly be supported on the spring bearing positioning end 48 of internal stator pedestal 26 rotatably, can thoroughly solve external rotor 22 and rock because of rotary centrifugal force and the caused rotation of armature effect.
This rotating shaft spring bearing 25, be arranged at outside rotating shaft end 24b, it is support motor shaft 24, and jointly external rotor 22 is firmly being supported with external rotor base supports bearing 23, make external rotor 22 can not rock corresponding to the armature reaction of inner stator 21, and magnetic conduction rotation is stably supported.
Below with the specific structural features of high efficiency of the present invention, high torsion, the high external-rotor motor (the 7th case) that supports and effect explanation as after.
Seeing also shown in Figure 1ly, is high efficiency of the present invention, high torsion, the high external-rotor motor 20 (the 7th case) that supports, and it includes main members such as inner stator 21 and internal stator pedestal 26, and the invention is characterized in the structure of inner stator 21.
See also Fig. 1 to shown in Figure 12, high efficiency of the present invention, high torsion, the high external-rotor motor 20 (the 7th case) that supports, it includes internal stator pedestal 26 and inner stator 21, wherein:
Above-mentioned internal stator pedestal 26, as Fig. 1, shown in Figure 9, it is provided with the internal stator pedestal newel positioning end 36 of corresponding axle center of motor, and this internal stator pedestal newel positioning end 36 is the axial centre circle corresponding to inner stator 21, with the usefulness that engages as inner stator 21 location.
Above-mentioned inner stator 21 is set in the newel positioning end (string post) 36 of internal stator pedestal 26, and this inner stator 21 comprises stator core magnetic conductor 27a and annular stator tooth portion integrate body 27, wherein:
This stator core magnetic conductor 27a, as Fig. 1, Fig. 6, Fig. 7, Fig. 9, shown in Figure 11, its axial centre circle is for being set in the newel positioning end 36 of internal stator pedestal 26, the outer peripheral edge of this stator core magnetic conductor 27a be provided with a plurality of arrange radially inlay groove 37, wherein:
This annular stator tooth portion integrate body 27 comprises a plural number magnetic conductor 27b of internal stator tooth portion and insulation wire casing seat 43, wherein:
Among these magnetic conductor 27b of internal stator tooth portion separated from one another, as shown in Fig. 2, Fig. 5, Figure 11, the cross section of each magnetic conductor 27b of internal stator tooth portion is to be arcuation T type, and this each magnetic conductor 27b of internal stator tooth portion has winding section 38.
This insulation wire casing seat 43, as Fig. 2, Fig. 5, shown in Figure 11, it is provided with perforation 47, so that be set in the winding section 38 of the magnetic conductor 27b of internal stator tooth portion.This insulation wire casing seat 43 is to be wound in its wire casing 41 for magnetizing coil 28, think the excitatory effect of magnetic conduction, this insulation wire casing seat 43 is the insulation wire casing seats for high pressure resistant insulation, these insulation wire casing seats 43 before shaping not for being linear chain formula spread geometry always, and to be provided be company headquarters 45 in order to form between any two adjacent insulation wire casing seats 43,43, is that company headquarters's 45 bendings are the circle shape so that borrow these.
Annular stator tooth portion integrate body 27, as Fig. 2, Fig. 5, Fig. 6, Fig. 7, shown in Figure 11, its before shaping not for being linear chain formula spread geometry always, and after complications are an annular stator tooth portion integrate body 27, as shown in figure 11, the end of its each magnetic conductor 27b of internal stator tooth portion for corresponding to stator core magnetic conductor 27a inlay groove 37, and inwardly equidistant wearing simultaneously is positioned the inlaying in the groove 37 of stator core magnetic conductor 27a with arranging.The bottom of each magnetic conductor 27b of internal stator tooth portion is to contact at the axial bottom land that inlays groove 37 of stator core magnetic conductor 27a, the two ends of annular stator tooth portion integrate body 27 can be connected fixing after finish the location.
Insulation wire casing seat 43, as Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 11, it is set in the winding section 38 of the magnetic conductor 27b of internal stator tooth portion, this insulation wire casing seat 43 is to be wound in its wire casing 41 for magnetizing coil 28, think the excitatory effect of magnetic conduction, this insulation wire casing seat 43 is the insulation wire casing seats for high pressure resistant insulation.These insulation wire casing seats 43 be not the shape that straight line chain type is as shown in Figure 3 arranged before the shaping, and are to form that to be provided be company headquarters 45 and groove 46 (as shown in Figure 3, Figure 4) between any two adjacent insulation wire casing seats 43.Therefore the wire casing seat 43 that these can be insulated bends to as shown in Figure 5 circle shape by straight line chain type spread geometry shown in Figure 3.
The present invention is when assembling, earlier magnetizing coil 28 is wound in the linearly wire casing 41 of each insulation wire casing seat 43 of chain type spread geometry, after winding is finished, again each insulation wire casing seat 43 is inserted in the magnetic conductor 27b in internal stator tooth portion respectively, again insulation wire casing seat 43 is bent to as shown in Figure 5 annular stator tooth portion integrate body 27 with the magnetic conductor 27b of internal stator tooth portion at last;
Or the wire casing seat 43 that will insulate the earlier shape of being arranged by linearly chain type shown in Figure 3 bends to after as shown in Figure 5 the circle shape, again the magnetic conductor 27b of internal stator tooth portion is inserted in the perforation 47 of insulation wire casing seat 43 one by one, and formation annular stator tooth portion integrate body 27 as shown in Figure 5.
As shown in figure 11, these complications become the end of each magnetic conductor 27b of internal stator tooth portion of an annular stator tooth portion integrate body 27 to inlay portion 39, for inlaying groove 37 corresponding to stator core magnetic conductor 27a, and inwardly equidistant wearing simultaneously be positioned the inlaying in the groove 37 of stator core magnetic conductor 27a with arranging, and the portion of inlaying 39 of each internal stator tooth portion magnetic conductor 27b bottom contacts at the bottom land that stator core magnetic conductor 27a axially inlays groove 37.
As Fig. 6, shown in Figure 11, the groove 37 that inlays of stator core magnetic conductor 27a has interior slot part 37a and is communicated in slot part 37a and the little outer slot part 37b of the interior slot part 37a of width width in this, inlays portion to form one.The end of the magnetic conductor 27b of internal stator tooth portion then is designed to the portion of inlaying 39 shapes of inlaying groove 37 corresponding to above-mentioned, for inlaying in wherein.
After winding magnetizing coil 28 is finished earlier by insulation wire casing seat 43, penetrate the magnetic conductor 27b of internal stator tooth portion again; Or these insulation wire casing seats 43 penetrate the magnetic conductor 27b of internal stator tooth portion earlier, twine magnetizing coil 28 again, final crooked folding is an inwardly equidistant annular stator tooth portion integrate body 27 of arranging, and make the portion of inlaying 39 of the magnetic conductor 27b of internal stator tooth portion end be bumped into stator core magnetic conductor 27a, and around the outer peripheral edges that are fixed in stator core magnetic conductor 27a.
By annular stator tooth portion integrate body 27 by before the shaping not in line the chain type spread geometry just, can twine magnetizing coil 28 at insulation wire casing seat 43 the denselyst, can reach the wire casing fill-in ratio of internal stator magnetizing coil maximum, and then can improve the current flowing density of magnetizing coil effectively, to pursue maximum electromagnetism flux density, final purpose can be reached and make external-rotor motor have the highest running efficiency and running torsion.
These annular stator tooth portion integrate bodies 27 are for inlaying into stator core magnetic conductor 27a, an end of inner stator 21 was by being provided with a support bolt 32 (as shown in figure 12) or being provided with several support bolts 32 (as shown in Figure 9) and end plate 40 after combination was finished, and compeled to lock in the center bolt hole of internal stator pedestal newel positioning end 36 ends and was fixed in internal stator pedestal 26.
Stator core magnetic conductor 27a and annular stator tooth portion integrate body 27 can silicon steel sheet (yoke) punch forming stack moulding piecewise again; Or with magnetic mixing plastic cement, injection moulding again; Or with magnetic through powder metallurgy forming; Or with magnetic powder through injection moulding.
Insulation wire casing seat 43 twines with magnetizing coil 28 for can be set in the magnetic conductor 27b of internal stator tooth portion earlier again.This insulation wire casing seat 43 penetrates the magnetic conductor 27b of this internal stator tooth portion again for twining earlier after magnetizing coil 28 finishes.
See also Fig. 1, Fig. 9, shown in Figure 11, the above-mentioned magnetic conductor 27b of internal stator tooth portion inlays into stator core magnetic conductor 27a, the other end of inner stator 21 was by being provided with several support bolts 32 and end plate 40 after combination was finished, and compeled to lock in the set screw hole of internal stator pedestal newel positioning end 36 bottom outer peripheral edges and was fixed in internal stator pedestal 26; Or as shown in figure 12, by being provided with a support bolt 32 and end plate 40, compel to lock in internal stator pedestal newel positioning end 36 end the center bolt hole and be fixed in internal stator pedestal 26.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (11)
1, a kind of high efficiency, high torsion, the high external-rotor motor that supports are provided with external rotor, external rotor base supports bearing and rotating shaft spring bearing, it is characterized in that it mainly comprises internal stator pedestal and inner stator, wherein:
A, this internal stator pedestal are provided with the internal stator pedestal newel positioning end of corresponding axle center of motor, and this internal stator pedestal newel positioning end is the axial centre circle corresponding to inner stator, with the usefulness that engages as the inner stator location;
B, this inner stator are set in the newel positioning end of internal stator pedestal, and this inner stator comprises stator core magnetic conductor, annular stator tooth portion integrate body, end plate and bolt, wherein:
A, this stator core magnetic conductor, its axial centre circle is the urgent newel positioning end that is set in the internal stator pedestal, the outer peripheral edge of this stator core magnetic conductor is provided with the groove that inlays of a plurality of arrangements radially;
B, this annular stator tooth portion integrate body, it comprises the internal stator tooth portion's magnetic conductor and the insulation wire casing seat of a plural number independent separate, wherein:
This internal stator tooth portion magnetic conductor, the cross section of its each internal stator tooth portion magnetic conductor is arcuation T type, and this internal stator tooth portion magnetic conductor has the winding section, and the then corresponding above-mentioned groove that inlays of end is inlayed combination with the location as both;
This insulation wire casing seat, in these insulation wire casing seats, be that company headquarters is whole continuous for being provided with between any two insulation wire casing seats adjacent one another are, these insulation wire casing seats before shaping not for being linear chain formula spread geometry always, it finally can borrow these is that company headquarters's bending is converted into an inwardly equidistant annular solid of arranging, each wire casing seat that only insulate is provided with perforation, winding section for internal stator tooth portion magnetic conductor wears, this insulation wire casing seat is for being wound in its wire casing for magnetizing coil, with excitatory effect as magnetic conduction, the insulation wire casing seat that this insulation wire casing seat is a high pressure resistant insulation;
The above-mentioned insulation wire casing seat of linear chain formula spread geometry always that is, finish on its wire casing and be provided with the winding magnetizing coil, and borrow is that company headquarters can tortuous easily shaping, form an annular stator tooth portion integrate body, the end that is set in each internal stator tooth portion magnetic conductor wherein is the groove that inlays corresponding to the stator core magnetic conductor, and inwardly equidistant inlaying simultaneously be fixed in the inlaying in the groove of stator core magnetic conductor with arranging, and the end of each internal stator tooth portion magnetic conductor inlays in the stator core magnetic conductor axially inlays the groove of groove for conflicting;
C, this end plate, the stator core magnetic conductor outer peripheral edges that are pressed on the inner stator that aforementioned combination finishes are inlayed the end face of groove;
D, this bolt, the inner stator that aforesaid end plate and aforementioned combination are finished is locked in the internal stator pedestal, to keep firm between internal stator pedestal, annular stator tooth portion's integrate body and the stator core magnetic conductor;
By insulation wire casing seat, by before the shaping not in line the chain type spread geometry just, can twine magnetizing coil in the mode of integral body coiling at insulation wire casing seat the denselyst, and can reach the wire casing fill-in ratio of internal stator magnetizing coil maximum, and then improve the current flowing density of magnetizing coil effectively, to pursue maximum electromagnetism flux density, finally can reach the highest running efficiency of external-rotor motor and running torsion.
2, high efficiency according to claim 1, high torsion, the high external-rotor motor that supports, it is characterized in that the annular stator tooth portion integrate body after wherein said these shapings is that integral body is inlayed simultaneously into the stator core magnetic conductor, after finishing, combination forms an inner stator, end face wherein is by being provided with a support bolt and end plate, compel to lock in the center bolt hole of internal stator pedestal newel positioning end end, and be fixed in the internal stator pedestal.
3, high efficiency according to claim 1, high torsion, the high external-rotor motor that supports, it is characterized in that the annular stator tooth portion integrate body after wherein said these shapings is that integral body is inlayed simultaneously into the stator core magnetic conductor, after finishing, combination forms an inner stator, end face wherein is by being provided with several support bolts and end plate, compel to lock in the set screw hole of the outer peripheral edges of internal stator pedestal newel positioning end bottom, and be fixed in the internal stator pedestal.
4, high efficiency according to claim 1, high torsion, the high external-rotor motor that supports, it is characterized in that wherein said stator core magnetic conductor inlay groove be provided with in slot part and be communicated in this slot part and width should in the little outer slot part of slot part width, inlay portion to form one, the end of internal stator tooth portion magnetic conductor is then for corresponding to the above-mentioned portion of inlaying shape of inlaying groove, for inlaying in wherein.
5, high efficiency according to claim 1, high torsion, the high external-rotor motor that supports is characterized in that wherein said stator core magnetic conductor and internal stator tooth portion magnetic conductor are for can silicon steel sheet (yoke) punch forming, stack moulding piecewise again.
6, high efficiency according to claim 1, high torsion, the high external-rotor motor that supports is characterized in that wherein said stator core magnetic conductor and internal stator tooth portion magnetic conductor are for can magnetic mixing plastic cement, injection moulding again.
7, high efficiency according to claim 1, high torsion, the high external-rotor motor that supports is characterized in that wherein said stator core magnetic conductor and internal stator tooth portion magnetic conductor are that magnetic is through powder metallurgy forming.
8, high efficiency according to claim 1, high torsion, the high external-rotor motor that supports, it is characterized in that wherein said stator core magnetic conductor and internal stator tooth portion magnetic conductor for can magnetic powder through injection moulding.
9, high efficiency according to claim 1, high torsion, the high external-rotor motor that supports, it is characterized in that the wherein said insulation wire casing seat that is the straight line chain type spread geometry of a fasten, can wear magnetic conductor earlier into internal stator tooth portion, be provided with whole winding of magnetizing coil again, and can to wait whereby be that company headquarters's bending is converted into an inwardly equidistant annular solid of arranging.
10, high efficiency according to claim 1, high torsion, the high external-rotor motor that supports, it is characterized in that the wherein said insulation wire casing seat that is the straight line chain type spread geometry of a fasten, can wholely earlier twine magnetizing coil, wear setting with internal stator tooth portion magnetic conductor winding section again, what finally wait insulation wire casing seat whereby is the inwardly equidistant annular solid of arranging of the tortuous one-tenth one of company headquarters.
11, high efficiency according to claim 1, high torsion, the high external-rotor motor that supports, it is characterized in that the wherein said insulation wire casing seat that is the straight line chain type spread geometry of a fasten, can wholely earlier twine magnetizing coil, after finishing again with insulation wire casing seat be that company headquarters's bending is converted into an inwardly equidistant annular solid of arranging, finally be set in the perforation of insulation wire casing seat with the winding section of internal stator tooth portion magnetic conductor again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99107344 CN1274979A (en) | 1999-05-21 | 1999-05-21 | Outer-rotor motor with high efficiency, high torque and powerful support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99107344 CN1274979A (en) | 1999-05-21 | 1999-05-21 | Outer-rotor motor with high efficiency, high torque and powerful support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1274979A true CN1274979A (en) | 2000-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99107344 Pending CN1274979A (en) | 1999-05-21 | 1999-05-21 | Outer-rotor motor with high efficiency, high torque and powerful support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1274979A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7737587B2 (en) | 2007-03-01 | 2010-06-15 | Nidec Corporation | Motor |
| CN101944782A (en) * | 2010-08-17 | 2011-01-12 | 浙江大学 | Modularized combination type stator structure of motor and application thereof |
| CN101951041A (en) * | 2010-08-17 | 2011-01-19 | 浙江大学 | Modularized combined motor stator structure and application thereof |
| CN102111053A (en) * | 2009-12-29 | 2011-06-29 | 德昌电机(深圳)有限公司 | Motor |
| CN109419390A (en) * | 2017-08-31 | 2019-03-05 | 佛山市顺德区美的电热电器制造有限公司 | Stir toolbox, driving DPU disk pack unit and food processor |
-
1999
- 1999-05-21 CN CN 99107344 patent/CN1274979A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7737587B2 (en) | 2007-03-01 | 2010-06-15 | Nidec Corporation | Motor |
| CN101257237B (en) * | 2007-03-01 | 2011-05-18 | 日本电产株式会社 | Motor |
| CN102111053A (en) * | 2009-12-29 | 2011-06-29 | 德昌电机(深圳)有限公司 | Motor |
| CN101944782A (en) * | 2010-08-17 | 2011-01-12 | 浙江大学 | Modularized combination type stator structure of motor and application thereof |
| CN101951041A (en) * | 2010-08-17 | 2011-01-19 | 浙江大学 | Modularized combined motor stator structure and application thereof |
| CN109419390A (en) * | 2017-08-31 | 2019-03-05 | 佛山市顺德区美的电热电器制造有限公司 | Stir toolbox, driving DPU disk pack unit and food processor |
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